Examples include a machine for handling sheets, the machine including at least one inspection device for inspecting the sheets, and at least one sheet transport means, which defines a section of a transport path provided for a transport of sheets. This section includes an inspection region, and the inspection device includes at least one sensor device, which is arranged so as to be aligned with the inspection region. The inspection device further includes at least one first illumination device, which is arranged so as to be aligned with the inspection region. The first illumination device is arranged so as to be pivotable about a first pivot axis for changing between different illumination positions. The first pivot axis intersects the inspection region or has a smallest distance with respect to the inspection region that is no more than 20 mm.
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
B41F 33/00 - Indicating, counting, warning, control or safety devices
2.
SHEET-FED PRINTING MACHINE COMPRISING A SIMULTANEOUS PRINTING INSPECTION DEVICE
Examples include a sheet-fed printing machine including a sheet simultaneous printing unit having two collect cylinders, which are arranged on top of and in contact with one another. The machine includes a simultaneous printing inspection device and a sheet transport means that defines a section of a transport path for sheets. The section includes an inspection region of the simultaneous printing inspection device. The simultaneous printing inspection device includes a sensor device arranged to be aligned with the inspection region and the detection width of which is at least 80% of the working width. A guide device of the sensor device defines a sensor adjustment path provided for movement of the sensor device and that extends from the simultaneous inspection position to a maintenance position of the sensor device, and that extends linearly and parallel to a transverse direction at least between the simultaneous inspection position and the maintenance position.
B41F 33/00 - Indicating, counting, warning, control or safety devices
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
3.
DEVICE, MACHINE AND METHOD FOR COATING A WEB-FORMAT CARRIER SUBSTRATE WITH A DRY FILM
Examples include a device for coating a web-format carrier substrate with a dry film. The device includes an application unit having first and second rollers forming a first gap therebetween. A counter-pressure roller, together with the second roller or a further roller forms a second gap through which a substrate path for the carrier substrate to be coated leads. A measuring device includes a sensor system for measuring the grammage of the dry film. A positioning drive is provided for adjusting the gap width of the first gap. The sensor system connects to a control device configured to vary the gap width of the first gap based on the grammage determined by the sensor system and via a connection to a drive means of the positioning drive, and/or to vary a ratio between the circumferential speed of the first roller and the circumferential speed of the second roller.
B22F 3/18 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor by using pressure rollers
Examples include a machine for handling sheets including an inspection device for inspecting sheets and at least one sheet transport means, which defines a section of a transport path that is provided for the sheets, and which includes an inspection region. In an inspection position, a sensor device of the inspection device is arranged so as to be aligned with the inspection region. At least one guide device of the at least one sensor device is provided, which defines a sensor adjustment path that is provided for movement of the sensor device and that extends from the inspection position at least to a first backed-away position configured as a maintenance position. The sensor adjustment path extends orthogonal with respect to a transverse direction, and at least between the inspection position and the first backed-away position.
Examples relate to changing a processing job carried out on a processing machine including a processing unit configured as an application unit, and a processing unit configured as a shaping unit. A first processing job is completed by the processing machine, during which a substrate is processed by the processing units. The first processing job is automatically terminated and a modification is automatically started for adapting at least one unit of the processing machine to a configuration of a directly succeeding processing job. Prior to the modification, the configuration for the directly succeeding processing job is provided to a machine control system. During the modification, at least one modification process of the shaping unit is performed to temporally overlap with at least one further modification process of the processing machine. The directly succeeding processing job is started, during which at least one substrate is processed by the processing units.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
6.
NON-IMPACT PRINTING MACHINE COMPRISING CENTRAL CYLINDER AND A CHARGING DEVICE
Examples include a printing machine configured as a non-impact printing machine and that includes at least one print head and a roll unwinding device. A transport path is provided for transport of a printing substrate that is assigned to the printing machine. At least one charging electrode is configured as a DC voltage electrode. An area of the transport path provided for the transport of the printing substrate and that is closest to the at least one charging electrode is arranged upstream from a printing nip defined by the print head. The central cylinder is grounded and the print head is grounded. A smallest distance between at least one ejection opening of the print head and the at least one charging electrode is at least 20 mm.
Examples include a coating device including an application unit by which powdered material is applied to a side of a carrier substrate. The application unit includes a first roller and a second roller that form a gap into which the powdered material can be fed via a dispensing device. The dispensing device includes a receptacle which is caused to vibrate by a vibratory drive. An opening of the receptacle is adjoined by a feed channel via which the powdered material is dispensed from the receptacle into a chamber located therebeneath. A supply reservoir supplies the powdered material to the receptacle. The outlet of the supply reservoir is arranged spaced apart from the opening of the receptacle, and the feed channel is immersed with an outlet into the chamber, which is formed over the gap in the wedge-shaped space between the outer cylindrical surfaces of the first and second rollers.
B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
Examples relate to a device including an application unit having a first roller and second roller forming, in a nip thereof, a first roller gap through which powdered material can be conveyed to form a dry film. A counter-pressure roller together with the second roller, or a further roller downstream from the second roller, forms a second roller gap. A substrate path leads through the second roller gap for guiding a carrier substrate web through the second gap for applying the dry film thereto. At least one drawing device including a drive means for adjusting the first or second roller gap between two adjacent rollers that are movable relative to one another is provided on each frame side, enabling the two rollers to be moved toward one another in an adjustment direction, or be tensioned, and to be moved away from one another again, or at least be relaxed.
Examples relate to a device for coating a carrier substrate with a powdered material, the device including an application unit having first and second rollers, with a first roller gap through which powdered material can be conveyed to form a first dry film. A counter-pressure roller together with the second roller or a further roller downstream from the second roller, form a second roller gap through which a carrier substrate to be coated can be guided. The first, second, and counter-pressure roller are each mounted on both sides in frame walls of three different frame sections. The frame section carrying the second roller is fixed to the frame or fixed in space, and the frame sections carrying the first roller and the counter-pressure roller are each mounted to be able to vary a position thereof in a direction perpendicular to an axis of rotation of the second roller.
Examples relate to a device including a first application unit having a first roller and second roller forming, in a nip between the outer cylindrical surfaces thereof, a first gap through which powdered material can be conveyed to form a first dry film. The second roller, or a further roller following downstream from the second roller, together with a counter-pressure roller forms a second gap through which a carrier substrate is guided to have the dry film applied. The first and the second rollers can be inclined with respect to one another based on a relative progression of axes of rotation thereof and can be varied in relative inclinations. The first or second roller is mounted in the device to be pivotable about an actual or imaginary pivot axis which extends perpendicular to the axis of rotation of the pivotable roller and/or of the other of the two rollers.
B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
B32B 15/16 - Layered products essentially comprising metal next to a particulate layer
B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure
Examples relate to a sheet-fed rotary printing machine including a coating unit, which includes an impression cylinder and a further cylinder forming a contact zone therewith. The coating unit comprises a charging device for electrostatically fixing sheets on the impression cylinder, which includes an electrode unit that is directed toward the outer cylindrical surface of the impression cylinder. A charging core zone includes a region of an outer cylinder surface of the impression cylinder that is located next to the electrode unit. The charging core zone is arranged downstream from the contact zone and upstream from a transfer point leading away from the impression cylinder. An electrode of the electrode unit has a minimum first distance with respect to the impression cylinder of between 4 mm and 13 mm and a minimum second distance with respect to the further cylinder of between 4 mm and n 35 mm.
B41F 21/00 - Devices for conveying sheets through printing apparatus or machines
B41F 21/10 - Combinations of transfer drums and grippers
12.
Sheet processing machine with cooling roller and inspection device as well as a sheet printing machine with simultaneous double printing unit, curing device and cooling device
Examples include a sheet processing machine to which a transport path is assigned for transporting sheets. The sheet processing machine includes an application device with an application point for applying material to the sheets. A cooling device including a cooling cylinder is arranged along the transport path, downstream from the application point. An inspection transport body is arranged along the transport path, downstream from the cooling cylinder, and has a sensor device of an inspection unit aligned therewith. Examples further include a sheet-fed printing machine with a simultaneous double printing unit and an application point. A curing device with an LED UV radiation source is arranged downstream from the application point and includes two curing units for drying two opposite sides of sheets. A cooling device of the curing device includes a cooling element with a line system, and the cooling section is arranged downstream from the curing section.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
13.
Method for activating at least one alignment segment of a processing machine
Examples include activating at least one alignment segment of a processing machine. The at least one alignment segment is arranged before at least one processing unit of the processing machine that is activated. The at least one alignment segment includes a plurality of transport sections following one another in the transport direction. At least two transport sections, following one another in the transport direction, each have a basic position and at least one adjustment position. The at least one adjustment position in each case is offset relative to the basic position in the transverse direction. At least one transport section of the transport sections is axially adjusted. At least one dedicated drive axially adjusts the at least one transport section of the transport sections, and the at least one dedicated drive is designed as a direct drive.
B65H 9/10 - Pusher or like movable registersPusher or gripper devices which move articles into registered position
14.
Cylinder for a sheet-treating and/or sheet-processing machine with suction air openings and machine for treating and/or processing sheet-format substrate comprising such a cylinder
Examples include a cylinder having a holding means around the circumference and by which a substrate sheet can be picked up and held during rotation of the cylinder over a rotation angle range between when the substrate sheet is received and is transferred downstream. A rotary union includes a rotor rotating along with the cylinder which, at an end face, is arranged with a stator that does not rotate during regular operation. A vacuum pressure can be applied via the rotary union to suction openings provided around the circumference of the cylinder while running through an active rotation angle phase of the cylinder. The rotary union can be set in terms of a size of a passage angle sector determining the size of the active rotation angle phase and/or in terms of a position of the passage angle sector determining the position of the active rotation angle phase.
B41F 31/18 - Inking arrangements or devices for inking selected parts of printing formes
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
B41F 21/00 - Devices for conveying sheets through printing apparatus or machines
B65H 5/22 - Feeding articles separated from pilesFeeding articles to machines by air-blast or suction device
15.
Device for aligning magnetic or magnetizable particles and machine for generating optically variable image elements
Examples include a device for aligning magnetic or magnetizable particles contained in a coating agent applied to one side of a web-format or sheet-format substrate. An alignment device comprises one or more magnetic elements that, during normal operation, are fixed to a frame at the transport path and, in a working position, enter into magnetic interaction with magnetic or magnetizable particles on the substrate guided past the device along the transport path. The one or more magnetic elements are arranged at a carrier that extends transversely to the transport direction over a working width provided for processing the substrate. The carrier is mounted, on both sides, in or at a respective guide and can be moved in or at the guide, together with the one or more magnetic elements, along a movement path from the working position into a makeready position.
B41F 31/18 - Inking arrangements or devices for inking selected parts of printing formes
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
16.
Processing machine and method for activating at least one alignment segment of a processing machine
Examples include a processing machine for processing a substrate. At least one alignment segment is arranged before at least one processing unit of the processing machine. The at least one alignment segment includes a plurality of transport sections following one another in the transport direction. The at least one alignment segment includes a dedicated drive for axially adjusting at least one of the transport section. The at least one transport section includes at least one first transport sub-section and at least one second transport sub-section in the transverse direction. The first transport sub-section and the second transport sub-section are drivable relative to one another at differing speeds in the circumferential direction. The alignment segment includes a transport section that includes the dedicated drive for axially adjusting the transport section and the transport sub-sections that can be driven relative to one another at differing speeds.
Examples include authenticating a banknote having at least one printed area on a substrate thereof. An optoelectronic capturing device captures the at least one printed area on respective substrates of each of a plurality of copies of the same type of banknote to be authenticated and provides raw image data to a processor unit for visualizing the respective captured printed areas as an image on a display device connected to the processor unit. The processor unit partitions the respective image into a plurality of regions of interest (ROIs) and selectively provides different features for authentication of the certain type of banknote from the raw image data of each of the ROIs. Different selected features each form different classification models and authentication of a banknote to be presently authenticated is carried out using a plurality of classification models.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
Machine assembly for conveying sheet-format substrates, comprising a first belt conveyor and a second belt conveyor, and a printing machine comprising said machine assembly
Examples include a machine assembly for conveying sheet-format substrates, including a first belt conveyor and a second belt conveyor. These belt conveyors each have a continuously circulating transport belt and are arranged one after another in the transport direction of the substrates conveyed on the respective transport belt. The substrate to be transferred from the first belt conveyor to the second belt conveyor is lifted off the transport belt of the first belt conveyor by means of an air current generated by a lifting nozzle and an opposing air current generated by a counter-nozzle. The substrate to be transferred remains fixed until its transfer by the vacuum pressure generated by a suction chamber of the first belt conveyor. This suction chamber fixing the substrate is arranged close to the lifting region. Examples also relate to a printing machine comprising this machine assembly.
Cylinder for aligning magnetic or magnetizable particles, system for mounting and/or positioning magnetic elements at the cylinder, and machine for generating optically variable image elements
Examples include a cylinder for aligning magnetic or magnetizable particles contained in a coating agent on a substrate in a region of an outer circumference of the cylinder in a matrix-like manner. A number of n×m magnetic elements (where n, m are integers>1) that provide magnetic fields are arranged in n rows extending in an axially parallel manner and in m columns extending in a circumferential direction. At least two magnetic elements are provided one behind the other in the same column, disposed at magnetic element carriers that differ from one another, and can be positioned on the cylinder in the circumferential direction independently of one another. The at least two magnetic elements are mounted so as to be adjustable relative to the magnetic element carrier carrying the magnetic element in the circumferential direction within an adjustment range.
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
Cylinder for aligning magnetic or magnetizable particles contained in coating agent on a substrate and machine for generating optically variable image elements
Examples include a cylinder for aligning magnetic or magnetizable particles contained in a coating agent on a substrate. In the region of the outer circumference of the cylinder, in a matrix-like manner, a number of magnetic elements that provide magnetic fields are arranged in n rows extending in an axially parallel manner and in m columns extending in the circumferential direction. Additionally, suction elements with suction openings pointing outwards are also arranged in the circumferential region. A plurality or all of the magnetic elements are arranged one behind the other and are each combined with at least one assigned suction element in respective modular units as action units in a plurality or all of the columns of magnetic elements. The action units can be positioned in each case independently of the other action units in the circumferential direction and/or can be detached from the cylinder.
Cylinder for aligning magnetic or magnetizable particles contained in coating agent on a substrate and machine for generating optically variable image elements
Examples include a cylinder for aligning magnetic or magnetizable particles contained in a coating agent on a substrate. In the region of the outer circumference of the cylinder, magnetic elements are arranged in n rows extending axially and in m columns extending circumferentially. At least two magnetic elements are provided one behind the other in the same column, mounted as a group at a shared carrier element and can be varied with respect to their axial position at the cylinder, collectively and independently of the magnetic elements of an adjoining column. The at least two magnetic elements of the same column are arranged at respective magnetic element carriers that can be positioned at the shared carrier element independently of one another in the circumferential direction and/or can be detached from the carrier element and/or are adjustable in the axial direction within an adjustment range.
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
22.
DEVICE, PROCESSING MACHINE, AND METHOD FOR SEPARATING BLANKS
Examples relate to a blank separating device including an upper blank separating module and a lower blank separating module. The lower blank separating module includes at least three supporting elements that are arranged so as to be positionable in at least three positions in the vertical direction. A positioning module for positioning at least two of the supporting elements includes at least one first stencil and one second stencil. At least one of the stencils is designed to be pressure-resistant and/or inflexible to absorb a force during the separation process, and has a thickness of at least 1 cm and/or of no more than 2 decimeters. The upper stencil is designed to transfer the force into a housing.
Examples include a printing unit having a forme cylinder, an impression cylinder, and a frame having two frame side walls located opposite one another. Two base modules each have respective base side walls that are an integral with the respective frame side walls. Each base module has four installation areas for rotational transport bodies, the relative positions of which coincide. Respective first two installation areas along a transport path form a selection group of each respective base module. The impression cylinder forms a printing nip with the forme cylinder. A rotational transport body is arranged in each installation area and a print head at a non-impact printing position is aligned with a rotational transport body arranged in an installation area of the first base module. Additionally, a print head of the non-impact printing position is aligned with a rotational transport body in an installation area of the second base module.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41J 3/50 - Mechanisms producing characters by printing and also producing a record by other means
24.
MACHINE FOR PRODUCING A PRODUCT WITH A DRY FILM APPLIED TO A CARRIER SUBSTRATE
Examples include a machine for producing a multi-layer product having a dry film applied to a carrier substrate. A carrier substrate web is provided to an application stage where a first dry film of powdered material is applied to a side of the carrier substrate. The carrier substrate web having the dry film on at least one side is then fed to a product winder to produce a product roll. A dancer roller and/or a positively driven draw roller are arranged between a location where the carrier substrate web unwound from a reel and an entry into an application gap of the application stage, and/or a dancer roller and/or a positively driven draw roller are arranged between where the substrate emerges from a last application gap of the application stage and a location at which the winding of the carrier substrate web onto the product roll takes place.
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 38/00 - Ancillary operations in connection with laminating processes
B32B 41/00 - Arrangements for controlling or monitoring lamination processesSafety arrangements
25.
Device for coating a carrier substrate with a powdered material and machine for producing a product strand with a dry film applied to a carrier substrate
Examples include a device for coating a carrier substrate with a powdered material. The device includes an application unit having a first roller and a second roller which, at a nip thereof, form a first gap through which a powder mixture can be conveyed to form a dry film. A counter-pressure roller, together with the second roller or another roller arranged between the counter-pressure roller and the second roller, forms a second gap through which the carrier substrate to be coated can be guided for having the dry film applied to the carrier substrate. The first gap between the first and second rollers can be adjusted based on a position-based positioning drive by being set to a constant and/or defined gap width, and the second gap can be adjusted based on a force-based positioning drive, and can be set to a constant and/or defined contact force or linear force.
B05C 1/08 - Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller
Examples include a printing unit, which has at least one first tool-dependent printing nip formed by a pair of cooperating rotational bodies. The printing unit includes, downstream from the first tool-dependent printing nip, along a transport path provided for a transport of substrate, at least one first alignment cylinder and at least one first non-impact printing position, to which at least one first print head is assigned. The printing unit further includes, downstream from the first non-impact printing position, along the transport path provided for the transport of substrate, at least one first curing device having a first curing area assigned thereto. Additionally, in the region of the first non-impact printing position, the transport path provided for the transport of substrate is defined by the first alignment cylinder or a rotational transport body arranged directly upstream from the first alignment cylinder.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41J 3/50 - Mechanisms producing characters by printing and also producing a record by other means
27.
Printing unit comprising an alignment device, non-impact printing position, and curing device
Examples include a printing unit having a first tool-dependent printing nip formed by a pair of cooperating rotational bodies. The printing unit includes, along a transport path, downstream from the first tool-dependent printing nip, a first alignment cylinder and a first non-impact printing position to which at least one first print head is assigned. The printing unit further includes, along the transport path, downstream from the first non-impact printing position, a first curing device having a first curing area assigned thereto. The printing unit, downstream from the at least one first alignment cylinder, including at least one second alignment cylinder and a second non-impact printing position, to which a second print head is assigned. The printing unit, downstream from the second non-impact printing position, comprising a second curing device having a second curing area assigned thereto.
B41F 5/24 - Rotary letterpress machines for flexographic printing
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
B41F 13/00 - Common details of rotary presses or machines
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B41F 21/10 - Combinations of transfer drums and grippers
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
28.
Printing machine comprising at least one print head
A printing machine includes a print head that prints on an article that rotates during printing. A printing width of the print head extends over a section of a length of the article and longitudinally in relation to a longitudinal axis of the article. An orthogonal coordinate system has an origin at a center of mass of the print head, with longitudinal, transverse, and vertical axes. A plurality of the print heads print on the article and are arranged in a row longitudinally in relation to the axis of rotation of the article. The ink ejected by the printing nozzles of the print heads is situated in the same printing plane. The direction of the ink ejected is oriented perpendicularly to the surface of the article. Multiple different printing planes are provided with respect to the surface of the article. Directly adjacent printing planes create a V-shaped formation.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
Examples include a pile cutting apparatus including a cutting device for cutting a sheet pile, with a front pile bearing surface, a rear pile bearing surface, and a cutting gap arranged therebetween. A table plane contains the front pile bearing surface. The cutting device further includes a movable upper blade, a lower blade including a cutting edge, and a cutting aid for fixing sheet piles that is upstream from the upper blade along a transport path for transporting sheet piles. A movable support element has a contact surface for supporting sheets and is movable between a support position and a disposal position. The contact surface, when the support element is arranged in the support position, is arranged in and/or beneath the table plane, and is closer to the cutting edge when the support element is in the support position than when the support element is in the disposal position.
Examples include a die-cutting unit that includes a device for changing a die-cutting cylinder. The die-cutting unit includes at least one die-cutting cylinder and at least one anvil cylinder. The die-cutting cylinder is arranged in a die-cutting position for die-cutting, and the at least one die-cutting cylinder is exchangeable for at least one other die-cutting cylinder by means of the device for changing the die-cutting cylinder. A shortest straight connecting line between the axis of rotation of the die-cutting cylinder in the die-cutting position and the axis of rotation of the die-cutting cylinder in the move-out position is inclined less than 30 degrees with respect to a horizontal plane. Further, a shortest straight connecting line between the axis of rotation of the die-cutting cylinder in the move-out position and a maintenance position is inclined less than 30 degrees with respect to a vertical direction.
Examples include a vibratory device that includes a pivotably arranged pile bearing device that defines a bearing plane, and that separates an upper half-space from a lower half-space. The vibratory device includes a front stop that can limit a pile forming region, a lateral stop, and a pile aeration device that includes a gas discharge device that is arrangeable relative to the pile bearing device. The gas discharge device is arranged to be transferrable between a lowered position and an aeration position. In the aeration position, the gas discharge device is at least partly arranged in the upper half-space, and when in the lowered position, the gas discharge device is arranged completely in the lower half-space. The pile aeration device may serve as a rear blower device and, based on a first transport direction, the pile forming region is arranged between the gas discharge device and the front stop.
Examples include a security document having a substrate with a transparent window. In the region of the transparent window, a micro-optical structure including microlenses is arranged on one side of the substrate and a first print image is arranged on the other side of the substrate, opposite the micro-optical structure. A layer covers at least a section of the first print image. The layer allows electromagnetic radiation having a wavelength in the range of 380 nm to 780 nm to pass with a transparency in a range between 10% and 90%. The transparency gradually varies over a planar extension of the layer. A second print image is arranged on the layer in such a way that the second print image, or at least a piece of information contained therein, can be brought into alignment with the micro-optical structure after carrying out a folding process and becomes visible and/or recognizable.
Examples include a printing machine for producing a security document. The printing machine includes an impression cylinder for guiding a substrate of the security document and a transfer cylinder cooperating with the impression cylinder at a transfer point for printing a print image onto the substrate. The substrate includes a transparent window with a micro-optical structure composed of microlenses disposed on one side of the substrate in the region of the transparent window and opposite to the side of the substrate with the print image. A printing device applies a layer that covers the print image and is of a lighter hue than a hue of the print image. The impression cylinder includes an embossing device around a circumference thereof. The embossing device creates the micro-optical structure of the microlenses during rotation of the impression cylinder on the substrate in a contactless manner by molding using an injection embossing method.
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B41F 19/02 - Apparatus or machines for carrying out printing operations combined with other operations with embossing
B41J 3/38 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for embossing, e.g. for making matrices for stereotypes
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 3/44 - Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
A processing machine includes at least one processing unit configured as at least one shaping unit following, in a transport direction of a substrate, at least one processing unit configured as at least one application unit. Additionally, at least one transport unit is arranged between the at least one application unit and at least one succeeding processing unit. The at least one transport unit includes a plurality of transport elements that are arranged one behind the other in the transport direction. At least one transport element is axially adjustable based on detection of at least one image-producing element of a substrate by at least one sensor for substrate alignment.
A processing machine includes at least one further processing unit following at least one processing unit configured as an application unit in a transport direction of a substrate. At least one transport unit is arranged between the at least one processing unit configured as an application unit and the at least one succeeding processing unit. The at least one transport unit includes a plurality of transport elements arranged one behind the other in the transport direction. The plurality of transport elements are individually axially adjustable, or the plurality of transport elements are groupwise axially adjustable.
A security document includes a substrate having a transparent window formed in the substrate. A micro-optical structure including microlenses is arranged on one side of the substrate. A first print image is arranged on the other side of the substrate, opposite the micro-optical structure, and includes image elements having a dot size or line thickness smaller than a lens width of the microlenses. A layer is arranged on part of the first print image on the side facing away from the micro-optical structure. A second print image is arranged on the layer, facing away from the micro-optical structure, and so that the second print image can be brought into alignment with the micro-optical structure after folding the substrate at a bending line so that the second print image, or at least a piece of information contained therein, becomes visible and/or recognizable when viewed from a direction of the micro-optical structure.
Examples include a device for providing sheet-format substrate sections from a web-format substrate. The device includes a roll unwinder for inlet-side feeding of the web-format substrate. Two application devices act on the same first side of the web substrate, and are formed by coating units for supplying, to the same first side of the web substrate, a varnish that forms a barrier layer. A drying device is provided between a cross-cutting device and an upstream first coating unit and/or the drying device is provided in the substrate path between the two coating units and the cross-cutting device. The web-format substrate can be cut into sheet-format substrate sections and, at the outlet, the substrate sections can be provided for subsequent processing or output to a delivery unit.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
38.
Method for changing at least one printing fluid, and method for cleaning and/or maintaining at least one printing fluid supply system, and printing press
At least one printing fluid of a printing fluid supply system of a printing press is changed. A printing unit of the printing press includes a print head. At least a first printing fluid or second printing fluid is selectively conducted from at least one supply unit to the print head. The at least one supply unit includes a reservoir of the first printing fluid and a reservoir of the second printing fluid. The at least one supply unit further includes an intermediate tank of the first printing fluid and an intermediate tank of the second printing fluid arranged between the reservoirs and the print head in the flow direction of printing fluid. The first and second printing fluids are conducted from their respective intermediate tanks to the print head, and there is no return of the printing fluids from the intermediate tanks to the respective reservoirs.
Some examples include a die-cutting unit that includes a device for changing a die-cutting cylinder. The die-cutting unit includes at least one die-cutting cylinder and at least one anvil cylinder. The die-cutting cylinder is arrangeable and/or arranged in a die-cutting position for die-cutting. The die-cutting cylinder is exchangeable for at least one further die-cutting cylinder by means of a device for changing the die-cutting cylinder. The device for changing the die-cutting cylinder includes a locking mechanism for fixing the die-cutting cylinder in the die-cutting position and/or for releasing the die-cutting cylinder from the die-cutting position. The locking mechanism acts so as to point away from a shaping point.
A printing machine includes a plurality of inkjet print heads arranged together in a printing unit and controlled by a control unit. At least two of the inkjet print heads are jointly arranged in relation to a stationary position in a transport path at a printing nip. The control unit activates a first inkjet print head when a substrate of a first substrate type moves past the stationary position, and activates a second inkjet print head when a substrate of a second substrate type moves past the stationary position. The first substrate type and the second substrate type differ from each other in material and/or nature of a surface to be printed. The inkjet print heads arranged in the printing unit are each configured to print an ink that comprises at least one colorant, both for the first substrate type and for the second substrate type.
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
41.
DIE-CUTTING UNIT COMPRISING A DEVICE FOR CHANGING A DIE-CUTTING CYLINDER AND METHOD FOR CHANGING A DIE-CUTTING CYLINDER
Examples include a die-cutting unit that includes a device for changing a die-cutting cylinder. The die-cutting unit includes at least one die-cutting cylinder and at least one anvil cylinder. The die-cutting cylinder is arranged in a die-cutting position for die-cutting, and is exchangeable for at least one further die-cutting cylinder by means of the device for changing the die-cutting cylinder. One of the die-cutting cylinders is arrangeable in a waiting position for guiding the two die-cutting cylinders past one another. The waiting position is a position that is outside a direct guide path between the die-cutting position and a maintenance position for the set-up and/or maintenance of one of the die-cutting cylinders. Further, the waiting position is arranged lower, in the vertical direction, by no more than 100 percent of a diameter of the die-cutting cylinder in the die-cutting position or, alternatively, is located above the die-cutting position.
In some examples, a printing press includes a non-impact printing device, and further includes a plurality of processing stations that each process sheets. In the printing press, at least one lifting nozzle is arranged in a profile element of a guide device. The lifting nozzle is configured to open in a direction of a tip of a tapered profile element. A suction belt feed table includes a catching device having a catching position, which is assumed as a result of an actuation, for adjacent individual sheets that follow one another. The catching device, in its catching position, catches sheets on the suction belt feed table that are fed from a first transport device, which is arranged upstream from the suction belt feed table, to the suction belt feed table, before the sheets are transferred to a transport device arranged downstream from the suction belt feed table and stacked there.
B65H 5/22 - Feeding articles separated from pilesFeeding articles to machines by air-blast or suction device
B41F 3/06 - Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed with impression cylinder or cylinders rotating unidirectionally continuously
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 13/00 - Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets
In some examples, a processing machine for processing a substrate includes at least one shaping unit and/or at least one application unit. The at least one application unit and/or the at least one shaping unit in each case includes at least one forme cylinder and at least one impression cylinder. The at least one forme cylinder of the application unit includes at least one application forme including at least one application surface and/or the at least one shaping unit includes at least one shaping tool including at least one working surface. The application surface and/or the working surface are arranged to cover at least a portion of the outer cylindrical surface of the at least one forme cylinder. A speed of the at least one forme cylinder and a speed of the at least one impression cylinder have a speed ratio with respect to one another.
In some examples, a processing machine for processing a substrate includes at least one shaping unit. The at least one shaping unit includes at least one forme cylinder and at least one impression cylinder. A processing point for processing a substrate is arranged between the at least one forme cylinder and the at least one impression cylinder. The processing machine includes a control unit for correcting a processing length of the substrate, and which controls a speed of at least one of the at least one forme cylinder or the at least one impression cylinder. The at least one forme cylinder and the at least one impression cylinder have a speed ratio with respect to one another that is changeable at the processing point as a function of the processing length of the substrate, and the speed ratio differs at least once within a full cylinder revolution.
The invention relates to a method for ink control in a printing press, wherein, during an ongoing printing process, an opaque ink (02) is printed onto a print substrate (01) in a first printing unit (06), and subsequently a transparent printing ink (03) is printed onto the opaque ink (02) in a second printing unit (07), at least one actual value of the optical density of the opaque ink (02) being ascertained by a first detection device (08) for this opaque ink (02) printed onto the print substrate (01), a film thickness of this opaque ink (02) to be applied onto the print substrate (01) being set at the relevant printing unit (06) by a control unit (11) detecting the at least one actual value of the optical density of this opaque ink (02), as a function of a previously ascertained value of the optical density of the surface of the unprinted print substrate (01), in such a way that the at least one actual value of the optical density of this opaque ink (02) detected by the first detection device (08) corresponds to a target value set at this control unit (11) for this opaque ink (02), taking a tolerance range defined in the control unit (11) for this opaque ink (02) into consideration; at least one actual value of the optical density of this printing ink (03) being ascertained by a second detection device (09) for the printing ink (03) printed onto the previously printed opaque ink (02); and a film thickness of this printing ink (03) to be applied onto the opaque ink (02) being set at the printing unit (07) printing this printing ink (03) by the control unit (11) which also detects the at least one actual value of the optical density of this printing ink (03), as a function of the film thickness of the opaque ink (02) previously applied to the print substrate (01) or as a function of the actual value of the optical density of this opaque ink (02), in such a way that the at least one actual value of the optical density of this printing ink (03) detected by the second detection device (09) corresponds to a target value set at the control unit (11) for this printing ink (03), taking a tolerance range defined in the control unit (11) for this printing ink (03) into consideration.
Magnetic or magnetizable particles contained in a coating agent can be aligned using a device that includes a cylinder having a plurality of magnetic elements around its outer circumference. The magnetic elements are arranged in a matrix having columns extending in the circumferential direction and rows extending in an axially parallel manner. The magnetic elements in some columns are mounted as a group on a shared carrier element, and have a variable axial position collectively as a group and independently of the magnetic elements of an adjoining column. In these columns, at least one of the magnetic elements is arranged on the carrier element of a multi-piece cylinder body of the cylinder so as to be adjustable in the axial direction, by way of a mechanical adjusting means, and independently of at least one further magnetic element of the same column which is mounted on the same carrier element.
In some examples, a screen printing unit includes a screen printing forme cylinder, an impression cylinder, and a frame including two frame side walls. The screen printing unit further includes first and second base modules, each comprising two stationary base side walls that each have a one-piece design. Each base module includes four installation areas for rotational transport bodies whose positions coincide in the base modules, and the respective first and second installation areas of each base module form a respective selection group of the base module. An impression cylinder cooperating with the screen printing forme cylinder is in one of the installation areas of the selection group of the first base module, and a respective rotational transport body is arranged in each of the four installation areas of the base modules. A functionally different rotational transport body is arranged in an installation area of the first base module.
In some examples, a sheet-fed printing unit is configured as a screen printing unit and includes at least one screen printing forme cylinder and at least one impression cylinder cooperating therewith. A cylinder barrel of the impression cylinder includes a supporting surface for sheets, and which includes at least one impression portion having a constant barrel radius that extends over an angle of at least 170 degrees about the axis of rotation of the impression cylinder. The screen printing forme cylinder has an effective screen radius that is smaller than a barrel radius of the impression cylinder, and the effective screen radius is larger than half the barrel radius.
SHEET-PROCESSING MACHINE COMPRISING AT LEAST ONE TRANSPORT UNIT AND METHOD FOR THE STRAIGHT-TRACKING GUIDANCE OF AT LEAST ONE CONVEYOR BELT OF A SHEET-PROCESSING MACHINE
In some examples, a sheet-processing machine includes a transport unit for transporting sheets. The transport unit includes a feed roller configured as an infeed roller and a feed roller configured as a diverting roller, which define a transport plane of sheets. At least two further feed rollers of the transport unit are arranged outside the transport plane. At least one feed roller of the at least two further feed rollers is configured as a pivoting roller that pivots and/or that can be pivoted about a pivot axis. The pivot axis of the pivoting roller is an axis that is normal of an axis of rotation of the pivoting roller, and the pivoting roller is configured to automatically pivot about the pivot axis.
In some examples, a sheet-fed printing press includes a dryer for drying sheets printed by a non-impact printing device. A cooling unit is directly downstream from the dryer in the transport direction, and includes a cooling module above a conveying plane. The cooling module uses air as a cooling medium, and may include a blower module with blower nozzles that blow the cooling medium onto the surface of the sheets being cooled. The blower module forms, with a guide surface, a gap with respect to the surface of the sheet being cooled. The guide surface of the blower module is arranged at a height above the surface of the sheet being cooled so that the cross-section of an outer annular gap, through the cooling medium exits, is smaller than or almost equal to a sum cross-section across all opening surfaces of the blower nozzles in the guide surface.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
51.
Smartphone or tablet comprising a device for generating a digital identifier of a copy, including at least one print image of a printed product produced in a production system, and method for using this device
In some examples, a smartphone or tablet includes a device able to generate a digital identifier of a copy that includes at least one print image. The device includes at least one optoelectronic detection device that detects the at least one print image and creates a representation that includes a multiplicity of pixels. The device further includes a unit that evaluates brightness intensities of the pixels, that segments the representation into multiple fields that each are composed of pixels of the representation, and that provides each of these fields with a piece of position information. The unit also ascertains, in each of these fields of adjoining pixels, a difference in their respective brightness intensities, and displays the differences as a frequency distribution. A display device further displays the digital identifier of the respective copy of the relevant printed product in the form of a graphical and/or alphanumerical display.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
G06V 10/60 - Extraction of image or video features relating to illumination properties, e.g. using a reflectance or lighting model
In some examples, a screen printing unit includes a screen printing forme cylinder, an impression cylinder, and at least one further rotational transport body. A fixing element of the impression cylinder includes inner and outer contact surfaces for clamping sheets. The inner contact surface has a base radius as a distance from an axis of rotation of the impression cylinder. A cylinder barrel of the impression cylinder has a supporting surface for sheets that includes an impression portion having a constant barrel radius, which extends over at least 170° about the axis of rotation of the impression cylinder and the barrel radius is larger than the base radius. A fixing element of the further rotational transport body includes an inner and an outer contact surface for clamping sheets. The inner contact surface includes the base radius as a distance from an axis of rotation of the further rotational transport body.
B41F 33/02 - Arrangements of indicating devices, e.g. counters
53.
Ink feed systems and method for feeding printing ink to an inking unit of an intaglio printing unit, as well as intaglio printing unit and method for operating an ink feed system
In some examples, an ink feed system for providing and feeding printing ink to an inking unit of an intaglio printing unit includes an inking device in the inking unit for inking a first inking unit cylinder. A provision device includes a storage receptacle with an ink reservoir of printing ink that is fed via an outlet and a line to the inking device. Furthermore, a wall of the storage receptacle encompassing the outlet can be heated and/or a metering device may be provided in the line path to support and/or effectuate delivery of the printing ink from the storage receptacle. On an output side, the metering device may provide a mass flow or volume flow that correlates with a working speed of the metering device via a defined relationship, and the metering device may be connected to a control device to control the working speed of the metering device.
In some examples, a machine for generating optically variable image elements on a substrate includes a printing substrate infeed and a printing unit including a printing mechanism by which a substrate guided on a transport path is printed with a coating agent containing magnetic or magnetizable particles. A device for aligning the magnetic or magnetizable particles includes a first alignment device in the transport path and a further alignment device arranged upstream therefrom. During normal operation, the further alignment device is fixed to a frame at the transport path. The further alignment device includes a plurality of magnets that are spaced apart from one another transversely to the transport direction and, during operation, remain stationary. The number of magnets included in the further alignment device correspond to a number of columns of image-producing print motifs or groups of image-producing print motifs around a circumference of a forme cylinder.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41F 33/00 - Indicating, counting, warning, control or safety devices
55.
Transport cylinder, drying unit comprising this transport cylinder, and sheet-fed printing press comprising this drying unit
In some examples, a transport cylinder for transporting a sheet-format substrate includes at least one channel extending on an outer surface of the transport cylinder in an axial direction. Each channel includes at least one gripper, which is supported on a shaft, for holding a substrate on the outer surface of the transport cylinder. Each channel is covered by a respective cover at the outer surface of the transport cylinder. The cover and/or a shaft supporting the at least one gripper may include a cooling unit. In some examples, a drying unit that includes the transport cylinder may further include an electron beam for curing a printing fluid on a substrate on the transport cylinder. In some examples, a printing press may include the drying unit including the transport cylinder.
B41F 21/12 - Adjusting leading edges, e.g. front stops
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
56.
Roll unwinder, web-fed printing press, and method for operating a roll unwinder
In some examples, a roll unwinder for a flying roll change includes a roll station for receiving a first material roll to be unwound, and a roll station for receiving a second material roll to be unwound after a roll change has occurred. A cut-off tool can sever a first web unwound from the first material roll, and includes a pressing element, to press the web against the outer surface of the second material roll. A supporting device can be transferred from an idle state into a working state in which the supporting device supports the web to be unwound, at least at the time of the severing process. The supporting device supports the web in a web path upstream from the cut-off tool. A receiving unit at a frame that carries the cut-off tool is movably mounted in the stand of the roll unwinder.
A blank separating device includes an upper blank separating module and a lower blank separating module. The lower blank separating module includes at least three supporting elements. Each supporting element includes at least one supporting surface for bracing blanks or scrap pieces. Two of the at least three supporting elements are configured as supporting elements of a lower separating tool. The two supporting elements configured as supporting elements of the lower separating tool are each arrangeable in at least three positions in a vertical direction.
In some examples, a pile cutting device includes a first pile positioning unit, a cutting unit for cutting at least one sheet pile, and a bearing device including a first pile bearing surface. The first pile positioning unit includes an upper rotary plunger that can be pivoted about a pivot axis and moved with respect to a vertical direction, and also includes a first horizontal drive for moving a sheet pile in and/or counter to a horizontal direction. The first pile positioning unit further includes two upper pressing elements that differ from the upper rotary plunger, and that are movable with respect to the vertical direction. A first one of the upper pressing elements is movable in and/or counter to the horizontal direction by the first horizontal drive. A second one of the upper pressing elements is movable in and/or counter to the horizontal direction by a second horizontal drive.
B26D 1/08 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
B26D 7/02 - Means for holding or positioning work with clamping means
B26D 7/06 - Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
B26D 11/00 - Combinations of several similar cutting apparatus
59.
Print control strip, substrate, and method for controlling by open-loop control and/or closed-loop control at least one component of a processing machine
In some examples, a print control strip includes at least one control patch configured as an element for color management. The element for color management may be configured to measure a color density and/or at least one spectral value and/or an area of coverage of individual printed printing colors. The print control strip further includes at least one control patch configured as a printing mark. The printing mark is configured for aligning a substrate in a transport direction and/or in a transverse direction. Additionally, the print control strip includes at least one control patch configured as a plate recognition patch. The plate recognition patch is configured to assign at least one printing color used to a printing plate and/or to an application mechanism and/or is configured for such assignment.
Some examples include checking the quality of printed products that are consecutively produced by multiple printing presses to have at least three printed patterns spaced apart from one another. The printed patterns are printed using different printing processes, such as a steel engraving process, an offset printing process, and a screen printing process that may be used for printing the three printed patterns of each printed product. A screen printing press is used for the screen printing process, with multiple steel plates being alternately used in the same production operation for the steel engraving process in an intaglio printing press. For at least two of the steel plates involved in carrying out the steel engraving process, a processing unit may selectively ascertain the deviation of the respective value of the relevant distances associated with the printed patterns, which may be instantaneously ascertained from a defined scale.
A blank separating device includes at least one upper blank separating module, the at least one upper blank separating module having a first relief, the first relief comprising at least three separating elements and/or contact elements, each including an operative surface and/or contact surface. The at least three operative surfaces and/or contact surfaces are individually arrangeable to at least three different distances in a vertical direction with respect to a carrier plate within which the at least three separating elements and/or contact elements are mounted. The blank separating device further includes at least one lower blank separating module that has a second relief comprising a plurality of supporting elements. The second relief matches, at least in complimentary vertical positioning, the first relief of the at least one upper blank separating module.
In some examples, an access point that leads into a safety zone of a roll unwinder or winder is monitored by a monitoring sensor system. The monitoring sensor system includes two scanners having respective measuring beams that pass over an angular region situated in the same plane extending in an opening. The access point is monitored in a pattern of multiple protection fields having various sizes and/or shapes. Multiple ones of the protection fields are encompassed by a next-larger and/or next-wider protection field, entirely or at least viewed in the width and toward the top. The scan images of the two scanners are checked for a breach of the relevant protection fields in differing, adjoining, or overlapping partial regions of the plane. Information about the permissibility of a determined protection field breach is derived by evaluation of breach patterns of breached protection fields obtained in the two partial regions.
B41F 33/00 - Indicating, counting, warning, control or safety devices
B65H 26/08 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to a predetermined diameter
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
63.
Printing press and method for cleaning at least one nozzle bar of at least one printing unit
In some examples, a printing press includes a printing unit having at least four nozzle bars, each including a print head. The printing unit includes at least two cleaning devices. At least two of the nozzle bars are configured to make contact with at least one of the cleaning devices. At least one of the cleaning devices has at least one storage position and at least one usage position. In the storage position, the at least one cleaning device is arranged along a transport direction of a printing substrate. The at least two cleaning devices may include at least one guide system configured as a shared guide system, and the at least two cleaning devices may further include at least one guide element configured as a shared guide element. For example, the shared guide element may be configured as at least one of a linear guide or a rail.
In some examples, photographic mapping of an object takes place during transport at a fixed position by means of a line camera in a sequence of recording periods. An exposure device is exposed for an exposure time that is dependent on the duration of the on-time of the line camera. Each strip-shaped portion of the object to be photographically mapped is exposed, within a recording period, asynchronously for the duration of a first exposure time to white light and for the duration of a second exposure time either to ultraviolet light or to IR light. Each strip-shaped portion of the print image to be photographically mapped is alternately exposed by the exposure device, within the recording period photographically mapping the portion, to white light and either to UV light or to IR light during the duration of the on-time of the line camera.
In some examples, a printing press includes a printing unit with at least four nozzle bars, each including a print head. At least one nozzle bar has a printing position and at least one service position. For instance, in a first service position, the at least one nozzle bar has a first distance to the transport path of a printing substrate, and in a second service position the at least one nozzle bar has a second distance to the transport path. The printing unit includes at least one cleaning device and/or cleaning system that is selectively arranged in an area between the at least one nozzle bar and the transport path. The at least one service position may be arranged in vertical direction above the printing position, and the second distance of the second service position of the nozzle bar may be less than in the first service position.
In some examples, a printing press includes a support element with a circulatingly movable contact surface for contacting a printing substrate. An ink jet print head includes an ejection opening arranged to be directed at the support element. Additionally, the printing press includes a charging device that includes a charging electrode, which is arranged to be directed at the contact surface. The charging device further includes a counter-electrode, and the movable contact surface is at least partially arranged between the charging electrode and the counter-electrode of the charging device. A smallest distance between the charging electrode and the movable contact surface is greater than a smallest distance between the ejection opening of the ink jet print head and the contact surface. For example, the smallest distance between the charging electrode and the contact surface may be at least 50 mm.
In some examples, a device for ream-wise and/or pile-wise separating blanks from a pile and/or a ream of sheets includes at least one lower blank separating module and at least one upper blank separating module including an upper separating tool having multiple separating elements arranged in a separating element matrix. A separating element in an activated position has a first distance with respect to a carrier plate, and a separating element in a deactivated position has a second distance with respect to the carrier plate. The at least one upper blank separating module additionally includes at least one upper blank separating tool adapted as a function of the blank shape and/or the number of blanks on a sheet, such as for removing crosspieces when offcut pieces configured as crosspieces are present on a sheet, and/or for separating blanks arranged directly next to one another on a sheet.
In some examples, an intaglio gravure printing press includes at least one gravure printing unit having at least one forme cylinder, at least one impression cylinder, at least one inking unit and/or at least one ink collecting cylinder. Additionally, at least one assigned inking unit, at least one print head, and at least one wiping device are arranged at the at least one forme cylinder. The wiping device is arranged along the direction of rotation of the forme cylinder, and downstream from the print head when the print head is arranged at the at least one forme cylinder. In addition, the wiping device is arranged along the direction of rotation of the forme cylinder, upstream from a contact region of the forme cylinder with the impression cylinder. Alternatively, in some examples, at least one print head is arranged at the at least one impression cylinder.
B41F 9/02 - Rotary intaglio printing presses for multicolour printing
69.
Sheet processing machine comprising at least one transport means of an infeed system and method for changing the relative position of a transport means of an infeed system
In some examples, a sheet processing machine includes at least one transport means of an infeed system, and the infeed system includes at least one cam mechanism including, in each case, at least one cam disk having an axis of rotation. At least one scanning element is arranged in each case to rest against the at least one cam disk. The at least one scanning element is connected to the at least one transport means via at least one drive lever. The at least one drive lever in each case has at least one mounting point. The mounting point and the axis of rotation may be adjusted relative to one another, and a position displacement of the mounting point relative to the axis of rotation may compensate for at least one position error of the at least one sheet.
B65H 29/04 - Delivering or advancing articles from machinesAdvancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
Substrate handling system comprising a sheet processing machine and at least one alignment device, and method for aligning and/or loosening at least one partial stack of sheets
In some examples, a substrate handling system includes a sheet processing machine and at least one alignment device that includes at least four stops. At least one stop is configured as a front stop, at least one stop is configured as a rear stop, and at least two stops are configured as lateral stops. The at least two lateral stops are arranged opposite one another, and the at least one front stop and the at least one rear stop are arranged opposite one another. The alignment device includes at least one support element that is configured as a propping element for propping at least one partial stack of sheets in the alignment device. Further, at least one respective support element is arranged at the at least two lateral stops and at the at least one rear stop.
B65H 1/26 - Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
B65H 31/36 - Auxiliary devices for contacting each article with a front stop as it is piled
B65H 1/30 - Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
B65H 3/32 - Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
B65H 5/00 - Feeding articles separated from pilesFeeding articles to machines
B65H 7/02 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
B65H 31/38 - Apparatus for vibrating or knocking the pile during piling
In some examples, a gravure printing unit for printing onto a substrate includes a forme cylinder that has, on an outer circumference, a pattern of recesses for forming an image. The gravure printing unit further includes an inking unit for inking the pattern of recesses on the forme cylinder. The inking unit includes a first inking unit cylinder having line-like recesses on an outer cylindrical surface that correspond to line-like recesses of the pattern of recesses on the outer circumference of the forme cylinder. Two end-aligned line-like recesses on the outer cylindrical surface of the first inking unit cylinder are separated by a supporting ridge and correspond to a single uninterrupted line-like recess on the circumference of the forme cylinder. An upper surface of the supporting ridge lies at a level of an undisrupted region of the outer cylindrical surface of the first inking unit cylinder.
In some examples, a processing machine has at least one cleaning device for cleaning a substrate. The at least one cleaning device and the at least one substrate are able to be arranged in a first and a second cleaning state, and the substrate is arranged at a distance from the at least one cleaning device in the first cleaning state. The substrate is arranged in contact with the at least one cleaning device in the second cleaning state, and the at least one cleaning device and the substrate are arranged so as to be transferable at least from the first cleaning state into the second cleaning state. The at least one cleaning device is arranged to be adjusted from a first cleaning position in the first cleaning state into a second cleaning position in the second cleaning state.
In some examples, a security element includes a substrate that, on one of its sides, includes at least one security feature extending over a first area, the security feature being configured in the form of a three-dimensional intaglio structure. A first ink group in the security feature includes a plurality of first raised image elements containing intaglio printing ink of the first color, and at least one second ink group in the security feature includes a plurality of raised image elements containing intaglio printing ink of a second color that differs from the first color, and these are provided and arranged offset and spaced apart from one another such that they form an optically variable structure and/or at least some of the mutually adjacent image elements, which differ from one another in the color, occlude and/or expose one another to varying degrees from a varying viewing angles.
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
In some examples, a sheet processing machine includes at least one pile formation device. The at least one pile formation device is arranged in a vertical direction beneath a multiple-up separating mechanism. The at least one pile formation device is arranged so as to be displaceable at least in an inward-moving direction. The at least one pile formation device includes at least one horizontally displaceable pile formation means and a deposit element that can be displaced relative to the at least one pile formation means.
B65H 29/04 - Delivering or advancing articles from machinesAdvancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
B65H 31/10 - Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
B65H 31/32 - Auxiliary devices for receiving articles during removal of a completed pile
B65H 33/04 - Forming counted batches in delivery pile or stream of articles by inserting marker slips in pile or stream
75.
Feeder of a sheet treating or processing machine, and method for detecting and/or correcting sheets having deviating positions and/or dimensions in a feeder of a sheet treating or processing machine
A feeder of a sheet treating or a sheet processing machine comprises a sensor system, which sensor system, on a front side pointing in a direction of transport of the sheets to be fed or on the opposing, rear side of the pile of sheets to be fed, comprises one or more sensors, by the use of which sensors, a distance, with respect to at least two locations, which are spaced apart from one another transversely to the transport direction, at the relevant front or rear sides of the pile, can be ascertained. A method is provided for detecting or correcting sheets having deviated positions or dimensions in such a sheet feeder of a sheet treating or processing machine.
B65H 3/08 - Separating articles from piles using pneumatic force
B65H 1/04 - Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile
B65H 7/08 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect front register
In some examples, a die-cutting machine includes a transport system configured as a chain gripper system. The chain gripper system includes a chain gripper carriage including a holding element for holding a sheet. The chain gripper carriage is arranged to be attached to at least one chain that is arranged to guide the chain gripper carriage on a guide path through at least part of the die-cutting machine. The chain gripper carriage includes a contact element functionally connected to the holding element. A chain gripper opener includes a contact surface at which, in the presence of the gripper carriage at the contact surface, the contact element cooperates with the chain gripper opener. The holding element is transferred at least from a closed position into an open position by cooperation of the chain gripper opener with the contact element. The chain gripper opener is adjustable by at least one drive.
B65H 29/04 - Delivering or advancing articles from machinesAdvancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
77.
Sheet processing machine comprising at least one infeed system, and method for controlling an infeed system of a sheet processing machine
In some examples, a sheet processing machine includes at least one infeed system including at least one transport means including at least one upper holder and at least one lower holder. The at least one transport means can be and/or is arranged in at least three states: a maximally closed state corresponding to a minimal distance, a minimally closed state corresponding to a maximal distance, and an at least one mean state corresponding to at least one mean distance between at least one upper holding surface at least of the respective upper holder, and at least one lower holding surface of the lower holder of the at least one transport means that is assigned to the respective upper holder. During a machine cycle, the at least one transport means has each of the minimally closed state, the maximally closed state, and the at least one mean state at least once.
B41F 21/12 - Adjusting leading edges, e.g. front stops
B65H 9/08 - Holding devices, e.g. finger, needle, suction, for retaining articles in registered position
B65H 9/20 - Assisting by photoelectric, sonic, or pneumatic indicators
78.
Sheet processing machine comprising at least one sensor device, and method for controlling by open-loop control and/or closed-loop control at least one component of a sheet processing machine
In some examples, a sheet processing machine includes at least one sensor device that includes at least two sensors configured as a camera. The sheet processing machine further includes at least one infeed system. The at least one sensor device is configured to control, by open-loop control and/or closed-loop control, at least one servo drive of the infeed system as a function of at least one sheet of sheets being detected by the at least two sensors. The at least two sensors are configured to selectively detect at least one edge and/or printing mark of the sheets. Some examples likewise relate to a method for controlling, by open-loop control and/or closed-loop control, at least one component of a sheet processing machine.
B65H 7/08 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect front register
B41F 33/00 - Indicating, counting, warning, control or safety devices
B65H 7/10 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
B65H 9/06 - Movable stops or gauges, e.g. rising and falling front stops
79.
Sheet processing machine comprising at least one pile formation device, and method for forming piles
In some examples, a sheet processing machine includes an at least one pile formation device. The at least one pile formation device is arranged so as to be displaceable at least in an inward-moving direction. The at least one pile formation device includes a plane. The at least one pile formation device is displaceable at least in a vertical direction relative to at least one lower multiple-up separating tool by means of a lifting device. In a temporary storage position, at least the plane is arranged in a vertical direction beneath a plane of the at least one lower multiple-up separating tool.
B65H 31/10 - Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
B65H 43/06 - Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, completion of pile
80.
Method for producing banknotes including in each case at least one integrated circuit
A method is provided for producing banknotes, which include, in each case, at least one integrated circuit. The banknotes are produced from a sheet or from a material web in a production panel. In at least a plurality of these banknotes, or in each of these banknotes, an aperture is created through their substrate. In each case, an integrated circuit is arranged in the relevant aperture. In a first method step, each of the integrated circuits to be arranged in one of the apertures is arranged, with respect to the intended position in each of the banknotes that include an aperture, in the correct position on a band-shaped foil, and, in the second method step, each of these integrated circuits is transferred from this band-shaped foil onto the relevant banknote. Owing to this transfer carried out in the second method step, one integrated circuit in each case, is arranged in the aperture created in the banknotes.
A method is provided for operating a device that is usable for printing the respective lateral surface of hollow objects. The device comprises at least one mandrel wheel for holding the hollow objects on projecting expanding mandrels, and a transfer wheel for transporting the hollow objects, which transfer wheel is arranged downstream of the mandrel wheel in a transport direction of the hollow objects. The mandrel wheel and the transfer wheel are each rotatably arranged in a laterally offset manner, with respect to one another, in two different planes that are parallel to one another. Hollow objects, which are printed during ongoing printing production, are transferred from the work arbors of the mandrel wheel to the transfer wheel. During a modification of the device, from a first production of hollow objects having a first height, to a second production of hollow objects having a second height, a lateral offset between the mandrel wheel and the transfer wheel is adapted to the height of the hollow objects to be printed in the second production by automatically changing the axial position of the transfer wheel relative to the position of the mandrel wheel.
B41F 17/22 - Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles or material, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors by rolling contact
B41F 33/00 - Indicating, counting, warning, control or safety devices
82.
Sheet-processing machine comprising a turning device, method for conveying sheets, and use of sheet guide elements containing deionization devices
A sheet-processing machine includes a turning device. Sheets can be conveyed, by a sheet conveyor system, from a sheet guide cylinder in the turning device, and can be conveyed in a sheet conveyor direction on a sheet conveyor path. A sheet guide element is provided beneath or along the sheet conveyor path. A deionization device is assigned to the sheet guide element. The deionization device can provide positive and negative ions.
B41J 3/60 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
83.
Substrate handling system comprising a robot cell and method for operating the same
A substrate handling system including an infeed system for feeding stacked substrates and including a processing machine for processing stacked substrates, and in particular a printing press for printing stacked substrates. A robot cell is provided between the infeed system and the processing machine. The robot cell comprises one or two gripper systems, each for handling a plurality of substrates. The robot cell is configured in such a way, that selectively differently stacked substrates, which are feedable by the infeed system, can be handled.
B65H 3/32 - Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
B65H 33/00 - Forming counted batches in delivery pile or stream of articles
B65H 33/02 - Forming counted batches in delivery pile or stream of articles by moving a blade or like member into the pile
B65H 33/04 - Forming counted batches in delivery pile or stream of articles by inserting marker slips in pile or stream
B65H 33/14 - Forming counted batches in delivery pile or stream of articles by diverting batches to separate receivers
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
B25J 11/00 - Manipulators not otherwise provided for
Sheet processing machine, method for inspecting at least one remaining portion of at least one sheet processed by a shaping device, and method for inspecting a sheet
A sheet-processing machine has a shaping device for processing sheets. The shaping device has at least one shaping point. The sheet-processing machine comprises at least one separating device. The at least one separating device is designed to remove at least one remaining piece from at least one sheet of the sheets. The at least one separating device is arranged downstream of the at least one shaping point along a transport path provided for transporting the sheets. At least one inspection device is arranged, downstream of the separating device in the transport direction of the sheets, to determine an actual state of the at least one sheet of the sheets. The invention additionally relates to a method for inspecting at least one remaining part of at least one sheet of sheets, which part has been processed by a shaping device, and to a method for inspecting at least one sheet of sheets.
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B26D 5/00 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
A processing machine for processing sheets comprises at least one application unit and at least one sheet sensor associated with that application unit. The at least one sheet sensor is arranged upstream of the associated application unit, along a transport path for sheets. The at least one sheet sensor is configured to detect the arrival time of sheets as the position of the sheet sensor. The at least one application unit, in each case, comprises at least one printing couple having a forme cylinder and an individual drive which is associated to that forme cylinder. The at least one sheet sensor is configured to control the position or the rotational speed of the forme cylinder in one of a closed loop or an open loop. The invention also relates to a method for processing sheets.
A transport device for a sheet-format substrate has at least one first substrate feed device and has at least one second substrate feed device. The at least one second substrate feed device comprises at least one forward stop and at least one singulating device. At least one substrate guiding device is arranged between the at least one first substrate feed device and the at least one second substrate feed device. The at least one substrate guiding device has at least one directing element. The at least one directing element is mounted such that it is movable or is moved in two different directions independently of one another.
The invention relates to a sheet processing machine (01), comprising at least one infeed unit (200) and at least one shaping unit (300) and at least one stripping unit (400) and at least one multiple-up separating unit (500), wherein the sheet processing machine (01) comprises at least one drive (1001), wherein the at least one drive (1001) is configured to drive at least one stripping tool (402; 403) of at least one stripping mechanism (401) of the at least one stripping unit (400) and at least one multiple-up separating tool (502) of at least one multiple-up separating mechanism (501) of the at least one multiple-up separating unit (500) via at least one gear mechanism (1007), wherein at least one downstream gear mechanism (1019) is arranged downstream from the at least one gear mechanism (1007), wherein the at least one downstream gear mechanism (1019) is coupled to the at least one stripping tool (402; 403) of the at least one stripping unit (400) and/or to the at least one multiple-up separating tool (502) of the at least one multiple-up separating unit (500), wherein the at least one downstream gear mechanism (1019) is configured to convert at least one rotative movement into at least one reciprocating movement, wherein the at least one downstream gear mechanism (1019) is configured as a disk cam mechanism (1019). The invention likewise relates to a further sheet processing machine (01) and to a method for driving at least one tool (402; 403; 502) of a sheet processing machine (01).
A method for separating printed products, that are printed together onto a sheet of printed products, is disclosed. The printed products are printed onto a sheet in a printing press and are separated in a cutting system by a cutting device. Each of these printed products has an identification feature that identifies its respective position on the sheet. The sheet becomes deformed as it passes through the printing press. The separated printed products, which are likewise deformed, as a result of the deformation of the sheet, are inspected, in a quality control device which is located downstream of the cutting system, for compliance with the tolerance, at least with regard to the respective length or width of the printed products. For each printed product that has been identified, in terms of its position, the quality control device detects information relating to an exceeding of the tolerance, at least for the length or width of the printed product, and transmits that information, assigning that information to the position identified on the sheet, to a control unit of the cutting system. Based on the information transmitted by the quality control device, for printed products that are arranged in the same position on the sheet, and which will subsequently be separated in the cutting system, the control unit of the cutting system adjusts the relevant sheet and the cutting device in their respective positions, relative to one another, in such a way that each of the printed products to be separated complies with the respective tolerance. Compliance with the tolerance is achieved in that the position of the sheet and of the cutting device to be adjusted relative to one another is calculated in the control unit using a mathematical optimization method. The sheet is placed on a cutting table in the cutting system. The control unit of the cutting system adjusts the position of the sheet relative to the cutting device, according to the calculated position.
A device is provided for feeding sheets to a sheet-processing machine having at least one processing mechanism. A feeder head is provided for cyclically separating the sheets from a pile of such sheets and has transporting suckers for transporting the sheets to a belt table. The belt table has at least one revolving transport belt which is guided over at least two feed rollers. A first drive is assigned to at least one feed roller and a sheet flap, which is connected to a pivotally mounted shaft, is provided between the transporting suckers and the at least one transport belt. A second drive is assigned to the shaft, for pivoting that shaft. A sheet arrival sensor, which is arranged between the belt table and the processing mechanism, generates first signals representing the arrival of the sheets for a sequence of sheets. A clock generator generates second signals representing the angular position of the at least one processing mechanism, and has a controller, which controls the first drive as a function of the second signals and which controls the second drive as a function of the first and second signals.
B65H 5/34 - Varying the phase of feed relative to the receiving machine
B65H 7/00 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
90.
Gravure printing unit and method for checking and/or adjusting and/or correcting a relative position
A gravure printing unit is provided by which substrate can be printed according to a gravure printing method. The gravure printing unit has a forme cylinder, which comprises, on its circumference, an image-forming pattern of recesses, and has an inking unit by which the pattern of recesses provided on the forme cylinder can be at least partially inked. The forme cylinder can be partially inked from an inking device via a first inking unit cylinder, which has, in the region of its lateral surface, recesses that correspond to recesses on the forme cylinder, and via a second inking unit cylinder, which is to be partially inked by the first inking unit cylinder. To produce an image element to be used for checking a relative position between the forme cylinder and the first inking unit cylinder, the forme cylinder has, within the printing width but preferably outside of an image-forming pattern of recesses that supplies the print image of one or more N-up copies, and lying in a circumferential region, at least one first recess, which overlaps on the forme cylinder only partially with a projection, which is obtained on the forme cylinder by the rolling off, in pairs in each case, of the inking unit cylinders that are involved in the ink transport, of a recess, which is provided in a defined position and location on the circumference of the first inking unit cylinder for the purpose of checking the relative position. A substrate section and a method for checking and/or adjusting and/or correcting a relative position between the first inking unit cylinder and the forme cylinder are also disclosed.
B41F 9/02 - Rotary intaglio printing presses for multicolour printing
B41F 33/00 - Indicating, counting, warning, control or safety devices
91.
Gravure printing units for printing onto substrate, printing press with such a gravure printing unit, ink transfer forme and method for setting up an inking unit cylinder comprised by a gravure printing unit
A gravure printing unit is usable for printing onto substrate according to a gravure printing method. The gravure printing unit has a forme cylinder, which comprises, on its circumference, an image-forming pattern of recesses, and has an inking unit for inking the pattern of recesses provided on the forme cylinder. The inking unit comprises a first inking unit cylinder, which comprises recesses in a region of its outer cylindrical surface that correspond to the recesses on the forme cylinder, and which form a nip point downstream with a second inking unit cylinder, which comprises, on its circumference, ink-transferring elevations or raised areas. The recesses are formed on the outer cylindrical surface of an ink transfer forme sheath. The first inking unit comprises a cylinder body which is or which can be mounted rotatably in the inking unit and on which a circumferentially closed ink transfer forme sheath, that carries the recesses of the first inking unit cylinder on its outwardly facing surface, is or can be detachably arranged. A printing press has such a gravure inking unit. A setting up method, an ink transfer forme sheath, and a method for producing the same are also disclosed.
A device for the alphanumeric labeling of printed products comprises a shaft mounted in a frame, and around which shaft at least one wheel-shaped or ring-shaped labeling tool is rotatably mounted, which tool carries a number of alphanumeric characters, one behind the other, on its outer circumference. A drive motor, in the form of, for example, a stepper motor, is provided and by which the labeling tool can be rotated around the shaft. The drive motor is linked for signals transmission to one of a data processing and a data storage of a control device, in which an assignment specification between the working positions of the alphanumeric characters or the fields carrying the alphanumeric characters, and step numbers of the stepper motor, is provided. The drive motor is or can be controlled by the control device in terms of a number of steps to be traveled, using this provided assignment specification, to move an alphanumeric character to be printed or the relevant field into a working position.
B41K 3/08 - Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface and movable at right angles to the surface to be stamped having adjustable type-carrying wheels
B41F 13/00 - Common details of rotary presses or machines
B41F 13/004 - Electric or hydraulic features of drives
B41F 33/00 - Indicating, counting, warning, control or safety devices
B41J 7/96 - Means for checking correctness of setting
B41K 3/12 - Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface with curved stamping surface for stamping by rolling contact
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
A flexographic printing press for printing a substrate web comprises at least one printing unit and at least one central cylinder. A plurality of printing couples are arranged around the periphery of the at least one central cylinder. A horizontally aligned dryer unit, having at least one guide element, is arranged above the printing unit in a vertical direction. The at least one horizontally aligned dryer unit has at least two dryer sections with one dryer section being arranged separated from the next dryer section by at least one diverting assembly. The at least one flexographic printing press has at least one roll unwinder and at least one roll winder. The at least one roll unwinder and the at least one roll winder are arranged on opposite sides of the at least one central cylinder.
B41F 5/24 - Rotary letterpress machines for flexographic printing
B41F 5/18 - Rotary letterpress machines for printing on webs for multicolour printing using one impression cylinder co-operating with several forme cylinders
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41F 33/00 - Indicating, counting, warning, control or safety devices
94.
Method for determining the position of mutual contact between a printing roller and at least one counter roller
A method is disclosed, which method is or at least can be carried out in a flexographic printing press for the purpose of determining a position of mutual contact between a printing roller and at least one counter roller. An average position of mutual contact between the printing roller and the counter roller is calculated, based on every position of mutual contact between the printing roller and the counter roller that is determined for a specific angular position of the printing roller and is used to execute a printing process carried out by the flexographic printing press.
A printing press and a method for producing security products or security intermediate products comprises a feed device for feeding unprinted printing substrate into the printing press. Multiple printing couples print the unprinted printing substrate in an indirect planographic or in a letterpress printing method in one or more printing nips. In a conveyor line, between the feed device and the first printing nip located in the printing substrate path, at least one inspection device, which is embodied as a transmissive inspection device, is provided for inspecting the as yet unprinted printing substrate.
B41F 11/02 - Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
A gravure printing unit, which is usable for printing on a substrate, according to a gravure printing method, includes a forme cylinder which comprises, on its circumference, an image-forming pattern of recesses, and an inking unit, by the use of which the pattern of recesses provided on the forme cylinder is inked. The forme cylinder can be partially inked from an inking device via a first inking unit cylinder which has recesses in the region of its outer cylindrical surface that correspond to recesses on the forme cylinder, and via a second inking unit cylinder, which cooperates with the first inking unit cylinder and which comprises ink-transferring elements or raised areas on its circumference. For controlling the transfer of ink, the first inking unit cylinder having the recesses, is configured as being temperature controllable or has a temperature control device in the ink unit supply. Alternatively, a printing pressure between inking units cylinders can be varied during operation. The invention also relates to a method for adjusting or modifying a transfer of ink and for operating the gravure printing unit.
An application unit comprises an application mechanism with an impression cylinder, a forme cylinder, and a supply roller, along with a positioning device and a magazine for supply rollers, which magazine is located below the application mechanism. The magazine has magazine receptacles for supply rollers and a movable repositioning device, by the use of which, the magazine receptacles can be placed in different magazine positions. One of the magazine positions is a change position, and when a magazine receptacle is located in that change position, a supply roller can be transferred, with respect to a positioning direction, between the magazine receptacle and a remote region of a roller positioning path that connects the magazine to the application mechanism. The positioning direction deviates no more than 45 degrees from a vertical direction. One of the magazine positions is a loading position, and when a magazine receptacle is located in the loading position, a supply roller can be transferred along a loading path with respect to a loading direction, between the magazine receptacle and a loading area. The loading direction deviates no more than 30 degrees from at least one horizontal direction.
An application unit includes an application mechanism having an application cylinder, a forme cylinder, and a supply roller, along with a positioning device. The positioning device has a linear guide and the application unit has a magazine for supply rollers, preferably located below the application mechanism, the magazine having magazine receptacles each for receiving one supply roller. The magazine has a repositioning device, by the use of which the magazine receptacles can be placed in different magazines positions. By the use of the positioning device, a supply roller can be moved along a linear roller positioning path, one end of which is identical to a supply position and the other end of which is identical to a magazine position of the magazine that is configured as a change position. The positioning device preferably has at least one transfer supporting member, which is arranged to be movable in and counter to a positioning direction relative to the frame of the flexographic application mechanism, guided along the at least one linear guide, and on which at least one component of a bearing seat can be arranged, which is configured to receive a rolling bearing arranged on the at least one supply roller.
The invention relates to a drying unit (22) for drying printed substrates (21), comprising a chamber (23) with a gaseous medium which is oxygen-reduced by means of an inert gas, wherein the substrates (21) are guided through the chamber (23) or at least can be guided through the chamber, and the chamber (23) has an entrance for the substrates (21) to be guided into the chamber (23) in the transport direction (T) of the substrates (21). The entrance for the substrates (21) to be guided into the chamber (23) is formed by two cylinders (04; 06) which are positioned against each other longitudinally. The cylinders (04; 06) positioned against each other at the entrance of the chamber (23) form a printing unit (03). One of the cylinders (04) is designed as a printing cylinder (04), and the other cylinder (06) is designed as a cylinder (06) which interacts with the printing cylinder (04) and applies a printed image onto the affected substrates (21). The two cylinders (04; 06) which are positioned against each other under pressure at the entrance of the chamber (23) form a seal which runs axially to the cylinders (04; 06) for preventing the oxygen-reduced gaseous medium from leaking out of the chamber (23) and/or for preventing oxygen from the ambient air from entering the chamber (23). The printing unit (03) arranged at the entrance of the chamber (23) is designed as a printing unit (03) for an intaglio printing process.
B41F 23/04 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing by heat drying, by cooling, by applying powders
B41F 9/02 - Rotary intaglio printing presses for multicolour printing
100.
Device, method and printing press for multiple printing of printing substrate sheets
The invention relates to a device for printing sheets of printing substrate (02), having a first printing nip (12) which is formed between a first cylinder (19; 19*) that acts as a transport cylinder (19; 19*) and a second cylinder (18), and in which the printing substrate sheets (02) can be printed on one or on both sides with one or more collected print image segments, and having a second printing nip (11) lying downstream in the printing substrate path, which printing nip is disposed at a level lying below the first printing nip (12) and is formed between a third cylinder (17) that acts as a transport cylinder (17) and a fourth cylinder (16), and in which the printing substrate sheets (02) can be printed on one or on both sides with one or more collected print image segments, wherein the printing substrate sheets (02) can be conveyed via at least one rotating transport means (33; 38; 39) along a transport path from the cylinder (19; 19*) that acts as a transport cylinder (19; 19*) of the first printing nip (12) to the cylinder (17) that acts as a transport cylinder (17) of the second printing nip (11), wherein on the transport path, downstream of the cylinder (19; 19*) that acts as a transport cylinder (19; 19*) of the first printing nip (12) and upstream of the cylinder (17) that acts as a transport cylinder (17) of the second printing nip (11), at least one first electrode (37; 41) directed toward the outer circumference of the at least one rotating transport means (33) is arranged in an angular segment lying in the transport path for the printing substrate sheets (02) in such a way that when an electric voltage is applied, a printing substrate sheet (02) being guided past the electrode (37; 41) can be electrostatically charged.
B41F 7/06 - Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs for printing on sheets
B41F 25/00 - Devices for pressing sheets or webs against cylinders, e.g. for smoothing purposes
B41F 21/00 - Devices for conveying sheets through printing apparatus or machines
patents
