Machine (1) for rotational moulding comprising a fixed frame (2); a support arm (3) comprising a first (4) and a second portion (5) and rotationally fixed to the fixed frame (2) to rotate about a first axis of rotation (100) substantially horizontal, wherein main development lines (300, 301) of the first (4) and second portion (5) define a main development plane (500) of the support arm (3) comprising the first axis of rotation (100); a mould interface system (6) removably coupled to the support arm (3) and structured 2024/069660 for securing a mould (20) and for rotating the mould (20) about a second axis of rotation (200) substantially perpendicular to the first axis of rotation (100) and to the main development plane (500), wherein the mould interface system (6) comprises a first (10) and a second support (11) for the mould (20) arranged at a mutual distance parallelly to the second axis of rotation (200), wherein the first support (10) comprises a motor (18) for rotating the mould (20) and the second support (11) comprises a rotating element (19) rotatable.
Mould (99) for rotational moulding comprising a main body (90) having an inner cavity (91) and an outer surface (92), a plurality of heating elements (1) distinct from each other and removably fixed to the main body (90) in distributed way onto the outer surface (92), each heating element (1) comprising a thermally conductive base body (2) in thermal contact with the outer surface (92), an electrically insulating layer (6) adhered to the base body (2) at opposite side to the outer surface (92), an electrically resistive track (7) made on the electrically insulating layer (6), wherein the base bodies (2) are spatially separated from each other.
Pressure moulding process, and related device (100), for manufacturing an article, the process comprising: —providing a substrate (70) made of a composite material comprising a first polymeric material and fibres impregnated with said first polymeric material; —providing a coating sheet (71); —heating said substrate (70) to a temperature of the substrate (70) greater than 160° C.; —subsequently, during a first compression step, compressing under pressure the substrate (70) and the coating sheet (71) between a first conformation surface (1) and a second conformation surface (2) for conforming the substrate (70) and the coating sheet (71) and for firmly fixing the substrate (70) and the coating sheet (71) to each other; —during a second compression step subsequent to the first compression step, compressing under pressure the substrate (70) and the coating sheet (71) between the first (1) and second conformation surface (2) and injecting a second polymeric material in an injection cavity (3) having an outlet mouth (4) onto the first conformation surface (1), wherein a first face of the substrate (70) opposite to the coating sheet (71) is in contact with the first conformation surface (1); —cooling the second polymeric material for firmly fixing the second polymeric material to the first face of the substrate (70), wherein, during the first compression step, a temperature of the first (1) and second conformation surface (2) is less than 120° C.
B29C 43/14 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles in several steps
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
B29C 43/40 - Moulds for making articles of definite length, i.e. discrete articles with means for cutting the article
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 45/18 - Feeding the material into the injection moulding apparatus
B29K 23/00 - Use of polyalkenes as moulding material
B29K 105/04 - Condition, form or state of moulded material cellular or porous
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
B29K 277/00 - Use of polyamides, e.g. polyesteramides, as reinforcement
In an example method, a NWM molding blank, including a non-woven material held in compression by a binder, is placed in a separable mold, and heated to a melting temperature of the binder. The molding blank expands, forming as an intermediate NWM object a NWM molded object with a 3D geometric form. The intermediate NWM object is cooled through a temperature band with an upper boundary and a lower boundary, and further cooled to a solidifying temperature of the binder. The upper boundary is above the solidifying temperature and the upper boundary is lower than the binder melting temperature. While in the temperature band, the mold is separated, rendering accessible an exposed surface of the intermediate NWM object. The object is then transported to a contoured forming surface of a forming base, by an actuatable arm having an end effector gripping the exposed surface via vacuum suction, lifting the object from the mold and placing the object on the contoured forming surface. Optionally, the end effector contact surface includes a final forming feature. The actuatable arm compresses the intermediate NWM object against the contoured forming surface, and the optional end effector final forming feature and continues compressing until cooling to the solidifying temperature.
Process for coating a preformed substrate (1), comprising providing a semi-finished product (2) comprising the preformed substrate (1) and a coating layer (3), providing a mould (4) comprising a first (5) and a second half-mould (6), the first half-mould (5) comprising an elastically deformable membrane (8) which at least partially forms a respective conformation surface (7), arranging the semi-finished product (2) on the second half-mould (6), putting under depression a fluid (11) acting on the membrane (8) to maintain the membrane (8) adherent to a main body (50) of the first half-mould, closing the mould (4) maintaining a free distance between the conformation surface (7) of the first half-mould (5) and the semi-finished product (2), pressurizing the fluid (11) to expand the membrane (8) towards the second half-mould (6) for compressing the semi-finished product, maintaining the membrane (8) in the second configuration, heating the semi¬finished product (2) for firmly fixing the preformed substrate (1) and the coating layer (3) to each other.
B29C 63/16 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material applied by "rubber" bag or diaphragm
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor
6.
ROTATIONAL MOULDING PROCESS AND RELATED MOULD FOR ROTATIONAL MOULDING COMPRISING A VENTING DEVICE
Rotational moulding process for producing an article (300), the process comprising: —providing a mould (100) comprising: —a main body (99) which defines an inner cavity (30) having a conformation surface (31) counter-shaped to the article (300), and —a venting device (1) fixed to the main body (99) and comprising: —an inner chamber (2) in air communication with the inner cavity (30) through a first mouth (3) and with an outer environment (35) through at least one second mouth (4); —a shutter (5) movable between an open position, in which let free the first mouth (3) for putting the inner cavity (30) in air communication with the outer environment (35), and a close position, in which closes the first mouth (3) for preventing the air communication; —an actuator (6) for alternately moving the shutter (5) between the open position and the close position, the process further comprising: —inserting a fluid form polymeric material into the inner cavity (30); —closing the main body (99) and rotating the mould (100); —while keeping the mould (100) in rotation and with the shutter (5) in the close position, heating the main body (99) until reaching a first temperature; —while keeping the mould (100) in rotation, heating the main body (99) until reaching a second temperature higher than the first temperature; —cooling the main body (99) and extracting the article (300), and wherein, during the heating of the main body (99) until the reaching of the first temperature, the process further comprises subtracting heat from the shutter (5) for maintaining the shutter (5) at a respective temperature lower than the first temperature.
Process and station (99) for forming a thermoplastic material, the process comprising: —making a semi-finished product (10) in the thermoplastic material, the semi-finished product (10) being air permeable; —closing a mould (90) with the semifinished product (10) interposed between the conformation surfaces (3, 4) for compressing the semifinished product (10) between the conformation surfaces (3, 4); —heating the mould (90) for heating the semi-finished product (10), subsequently—opening the mould (90); —with the semi-finished product (10) coupled to a second half-mould (2) of the mould (90), contacting a free surface of the semi-finished product (10) with a coupling surface (80) of a catching device (71); —generating an air flow (200) which passes through the coupling surface (80) in a distributed way, the air flow being directed from the semi-finished product (10) to the coupling surface (80), for constraining the semi-finished product (10) to the catching device (71); —while keeping the airflow (200), removing the semi-finished product (10) from the mould (90) by movement of the catching device (71); —interrupting the air flow (200) for releasing the semi-finished product (10) from the catching device (71) and obtaining a finished article.
Process for moulding a composite product (9) for coatings, comprising providing an aesthetic layer (1) comprising an aesthetic material chosen from: natural leather, a first composite material comprising a textile layer and a coating layer comprising polyurethane or polyvinyl chloride or thermoplastics olefins and a second composite material comprising a non-woven fabric comprising polyester or polyamide fibres immersed in a polyurethane matrix, with the polyurethane in weight percentage greater than or equal to 15% and less than or equal to 60% and the polyester or the polyamide in weight percentage greater than or equal to 40% and less than or equal to 85%, providing a support layer (2) comprising a solid polyolefin thermoplastic foam, providing a semi-finished product (3) comprising the aesthetic layer (1) and the support layer (2) coupled together, heating the semi-finished product (3) to bring the support layer (2) to a plastic state, forming the semi-finished product (3) by pressing against each other a first (11) and a second half-mould (12) of a mould (10) with the semi-finished product (3) interposed between the conformation surfaces (13) of the two half-moulds, and with the support layer (2) in the plastic state, cooling the semi-finished product (3) to bring the support layer (2) to a solid state and to realize the composite product (9).
B29C 51/14 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor using multilayered preforms or sheets
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 37/06 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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
B32B 37/08 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
B32B 9/02 - Layered products essentially comprising a particular substance not covered by groups comprising animal or vegetable substances
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
Process of moulding a container (9) for vehicle batteries, comprising providing a mould (10) comprising a first half-mould (11) and a second half-mould (12) each having a respective conformation surface (13); counter-shaping the first layer (1) to the conformation surface (13) of the first half-mould (11); coupling to the first layer (1) a second layer (2) of polymeric material comprising a thermosetting matrix (3) and a reinforcing material dispersed in the matrix; closing the mould (10) with the first (1) and the second layer (2) interposed between the conformation surfaces (13) to simultaneously form the first (1) and the second layer (2); with the mould (10) closed, thermosetting the matrix (3) to make the first (1) and the second layer (2) adhere to each other and to make the container (9).
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
B29C 70/18 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length in the form of a mat, e.g. sheet moulding compound [SMC]
10.
LOCKING DEVICE FOR A MOLD GROUP INCLUDING A SAFETY GROUP
A closing device for a mold group with two half-molds extends along a main axis and has a device body mountable to one of the two half-molds, and a closing group having a closing element rotatable about a rotation axis between a closing position, in which the two half-molds are lockable and an opening position, in which the two half-molds are releasable. A movement group housed in the device body and engaged with the closing group to rotationally move the closing element has a stem movable along the main axis and transmission members for transforming linear motion of the stem into rotatory motion of the closing element. A command group has a command plate engaged with one command end of the stem and a metal sealing bellows engaged with the command plate. A position of the metal sealing bellows corresponds to an axial position of the command plate and of the stem.
A closing device for a mold group with two half-molds extends along a main axis and has a device body mountable to one of the two half-molds, and a closing group having a closing element rotatable about a rotation axis between a closing position, in which the two half-molds are lockable and an opening position, in which the two half-molds are releasable. A movement group housed in the device body and engaged with the closing group to rotationally move the closing element has a stem movable along the main axis and transmission members for transforming linear motion of the stem into rotatory motion of the closing element. A command group has a command plate engaged with one command end of the stem and a metal sealing bellows engaged with the command plate. A position of the metal sealing bellows corresponds to an axial position of the command plate and of the stem.
Rotational moulding machine (1) comprising a fixed frame (2), a support arm (3) comprising a first (4) and a second portion (5) rigidly joined together, the support arm (3) being rotationally fixed to the fixed frame (2) only at the first portion (4) to rotate about a first axis of rotation (101) substantially horizontal, a movable frame (6) rotationally fixed to the support arm (3) to rotate about a second axis of rotation (102) substantially perpendicular to the first axis of rotation (101), the movable frame (6) comprising a supporting portion (7) lying in a plane substantially perpendicular to the second axis of rotation (102), and an actuation system (8) rigidly fixed to the movable frame (6) at the supporting portion (7) and structured to secure a mould (20) and rotate the mould (20) about a third axis of rotation (103) substantially perpendicular to the second axis of rotation (102).
Mixing device (1) for dispensing a multi-component polymeric mixture, comprising a main body (2) comprising a mixing chamber (3) for mixing a first and a second component of the mixture, the mixing chamber having a main development along a longitudinal direction (100) and comprising a respective longitudinal open end (4); a movable body (5) having a central axis (101) with longitudinal development and slidably housed in the main body (2) to alternatively assume, by sliding along the longitudinal direction (100), an occlusion position of the mixing chamber (3) and a mixing position, wherein the movable body (5) comprises a first channel (6) and a second channel (7) each comprising a respective end portion (20) both displaced from the central axis (101) of the movable body (5) and developing substantially along the longitudinal direction (100) up to a longitudinal end face (8) of the movable body (5) facing the open longitudinal end (4) of the mixing chamber (3), wherein the respective end portions (20) of the first (6) and second channel (7) develop inside the movable body (5) or they are made by respectively a first (9) and a second groove (10) obtained on a longitudinal surface (11) of the movable body (5), each groove (9, 10) having development with a component perpendicular to the longitudinal direction (100).
B29C 44/08 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles using several expanding steps
B29C 43/14 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles in several steps
B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
In an example method, a NWM molding blank, including a non-woven material held in compression by a binder, is placed in a separable mold, and heated to a melting temperature of the binder. The molding blank expands, forming as an intermediate NWM object a NWM molded object with a 3D geometric form. The intermediate NWM object is cooled through a temperature band with an upper boundary and a lower boundary, and further cooled to a solidifying temperature of the binder. The upper boundary is above the solidifying temperature and the upper boundary is lower than the binder melting temperature. While in the temperature band, the mold is separated, rendering accessible an exposed surface of the intermediate NWM object. The object is then transported to a contoured forming surface of a forming base, by an actuatable arm having an end effector gripping the exposed surface via vacuum suction, lifting the object from the mold and placing the object on the contoured forming surface. Optionally, the end effector contact surface includes a final forming feature. The actuatable arm compresses the intermediate NWM object against the contoured forming surface, and the optional end effector final forming feature and continues compressing until cooling to the solidifying temperature.
Production process of a composite product (1) comprising a core (2), a first layer (3) comprising a sheet impregnated with a solid polyurethane material, and a polymer-based film (7) applied to the first layer (3), wherein the process comprises:
producing a semi-finished product comprising the core (2) and the sheet impregnated by a liquid mixture precursor of the solid polyurethane material;
adhering the film (7) to a first half-mould (11) by applying a depression between the film (7) and the half-mould (11);
pressing two half-moulds (11, 12) against each other with the semi-finished product interposed between two shaping surfaces (13), so that the film (7) comes into contact with the liquid mixture;
with the semi-finished product in the mould, thermosetting the liquid mixture to transform it into the polyurethane solid material so that the film (7) firmly adheres to the first layer (3) and thus producing the composite product (1).
B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 29/02 - Layered products essentially comprising paper or cardboard next to a fibrous or filamentary layer
B32B 37/02 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 3/12 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B32B 37/15 - 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 being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B32B 37/14 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
B32B 38/00 - Ancillary operations in connection with laminating processes
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B29C 51/36 - Moulds specially adapted for vacuum forming
B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
17.
Device and method for laminating a laminating foil element onto a component, device and method for applying adhesive, system for laminating, component to be laminated with a laminating foil element, and use of a deposit part for keeping ready a laminating foil element
The invention relates to a device for laminating a laminating foil element onto a component having a profiled lamination plane using a lamination tool, by means of which tool the laminating foil element is laminated onto the component, the lamination tool comprising a first tool half and a second tool half, and the device comprising a deflection arrangement for deflecting portions of the laminating foil element out of the profiled lamination plane.
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
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B30B 5/02 - Presses characterised by the use of pressing means other than those mentioned in groups and wherein the pressing means is in the form of a flexible element, e.g. diaphragm, urged by fluid pressure
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
18.
Apparatus and method for laminating a film part on a carrier part, method for laminating a carrier part with a film part, method for retrofitting a tool as well as installation for producing a component laminated with a film layer
The invention relates to an apparatus for laminating a film part, in particular a decorative layer, on a carrier part having a laminating region in which the film part can be laminated onto the carrier part, in particular onto a motor vehicle interior trim part, having an edge region arranged adjacent to this laminating region in which the film part projects beyond the carrier part in order to produce a bend-around region on the film part which can subsequently be bent around a carrier part edge, and having a tool in which the tool comprises a first tool half for producing a surface design on the film part and a second tool half for receiving the carrier part, wherein the first tool half comprises thermally differently acting sub-regions, namely a first sub-region with a contour for the surface design which interacts with the laminating region and a thermal sub-region which interacts with the edge region adjacent to the laminating region.
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor
B29C 63/02 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material
B29C 63/04 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material by folding, winding, bending or the like
B29C 51/10 - Forming by pressure difference, e.g. vacuum
B29C 59/02 - Surface shaping, e.g. embossingApparatus therefor by mechanical means, e.g. pressing
B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
B29C 51/26 - Component parts, details or accessoriesAuxiliary operations
B29C 51/08 - Deep-drawing or matched-mould forming, i.e. using mechanical means only
B29K 105/04 - Condition, form or state of moulded material cellular or porous
A mold for the rotational molding of manufactured articles of plastic material includes two half-molds, one of which is provided, on its surface, with an insert-holding device comprising a rod with a first end passing through the wall of the half-mold at a respective passage channel and axially movable for projecting inside the mold. The mold also comprises a first pneumatic circuit able to apply a predetermined pressure, positive or negative, inside the mold. At least one insert-holding device is operatively connected to a second pneumatic circuit able to apply a predetermined pressure, positive or negative, and is internally provided with a plurality of means to apply the predetermined pressure at the passage channel, so that at the insert-holding device the same predetermined pressure value which generates inside the mold by the first pneumatic circuit is applied.
B29C 41/04 - Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
B29C 41/06 - Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould about two or more axes
B29C 41/20 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped articleApparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles
B29C 41/50 - Shaping under special conditions, e.g. vacuum
B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29C 33/18 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall using vacuum
20.
Method for providing a lamination film with adhesive, method for applying hot melt, application, lamination plant and method for upgrading such a plant
A method for providing a laminate film with adhesive as a step in the preparatory process for manufacturing a laminate mold part using a support part, a method for applying a hot melt to a laminate film, a method for manufacturing a laminate mold part, using a method, a system for laminating a support part as well as a method for such a system produces especially high quality lamination and even if the support part, where the laminate film should be laminated, is not porous by applying the adhesive to the support part for bonding the macroscopically structured laminate film, so that there is a duct system. The air can flow through the duct system between the laminate film and the support part during the lamination process.
B60R 13/02 - Trim mouldingsLedgesWall linersRoof liners
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor
C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers
B32B 7/14 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
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
A method of riveting using a plastically deformable plastic rivet is provided. The method includes positioning the plastic rivet in front of the rivet on a component, of a motor vehicle, and deforming the rivet by a riveting die by applying a riveting force, such that a rivet holds the component wherein the rivet is with a rivet dynamometer and the riveting force is measured and a rivet is set with a predetermined breaking point.
B29C 65/00 - Joining of preformed partsApparatus therefor
B60R 21/20 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components
G01L 1/04 - Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
B29C 65/10 - Joining of preformed partsApparatus therefor by heating, with or without pressure using hot gases
B29C 65/18 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated tool
This invention relates to the field of multilayer articles prepared by rotational molding with a robotized rotomolding machine wherein the mold is under direct heating.
A die for rotational pressing includes a breather device for connection of the interior of the die with the exterior and which has a passage between the interior and the exterior of the die equipped with a valve operated by an actuator piloted by a handling controller for opening the passage after a first step of the pressing process. The valve allows the breather of the internal pressure of the die and/or controlled injection of air under pressure into the die.
patents
