An extruder assembly comprising a barrel, through which a conductor can travel; a first subassembly for extruding a first sleeve on the conductor; and a second subassembly for extruding a second sleeve onto the first sleeve, the second sleeve comprising a first portion, a second portion, and a cross-section comprising a first annulus sector and a second annulus sector, the first portion comprising the first annulus sector, the second portion comprising the second annulus sector, the first and second portions are in contact with the first sleeve.
A flex plate for a guiding device of an injection molding machine includes a body extending between a front surface, a back surface, a top surface, and a bottom surface. A plurality of through holes extend between the top surface and the bottom surface for aligning the flex plate with a foot of the guiding device, and a plurality of guide shoe holes formed in the bottom surface of the flex plate couple the flex plate to a guide shoe of the guiding device. A front plate couples the front surface of the flex plate to the foot of the guiding device, and a plurality of slots define a central portion of the flex plate. The central portion of the flex plate is elastically deformable about a torsional axis and can pivot relative to the guide shoe and foot of the guiding device.
An injection unit for an injection molding machine includes a cylindrical body rotatably supported in a housing interior for rotational coupling with a plasticizing screw. The cylindrical body is fixed to rotate with the plasticizing screw about an injection axis. A gear train in the housing includes a central gear mounted about, and fixed to rotate with, the cylindrical body, the central gear having an uppermost extent vertically above the injection axis and opposed first and second lateral extents on horizontally opposed sides of the injection axis. A rotary drive for powering rotation of the plasticizing screw includes a first motor having a first motor shaft rotatable about a first motor axis, the first motor axis parallel to the injection axis, the first motor axis at a first elevation below the uppermost extent of the central gear, and laterally outboard of the first lateral extent of the central gear.
A co-injection molded multi-layer tubular article including a generally tubular body and a flow leader ridge formed on the generally tubular body. The flow leader ridge extends around the generally tubular body to form a substantially circular protrusion. The flow leader ridge has a first portion and a second portion each of which extends between a first point on the flow leader ridge and a diametrically opposed second point on the flow leader ridge. A thickness and/or a width of the first and second portions decreases or tapers between the first point and the second point of the flow leader ridge. The interior barrier layer of the multi-layer tubular article is distributed circumferentially and axially along a length of the multi-layer tubular article between the flow leader ridge and the end of the generally tubular body. A mold for forming the multi-layer tubular article is also disclosed.
A method for injection molding comprises forming a set of first articles in a mold of an injection molding machine and forming a set of second articles in the mold of the injection molding machine. The method includes transferring the set of first articles from the mold to a first set of first receivers of a tooling plate, and then moving the first set of first receivers to align with the set of second articles. Thereafter the set of second articles is transferred from the mold toward the first set of first receivers and into assembled condition with the set of first articles held in the first set of first receivers.
A method for cooling molded preforms includes transferring preforms of a first injection cycle from a mold to retained engagement on a take-out plate, the preforms having exterior surfaces and interior surfaces targeted for cooling. The preforms are released from cooling tubes of the take-out plate to retained engagement on cooling pins of a transfer shell spaced away from the mold. The transfer shell rotates and the preforms are released from the transfer shell to retained engagement in supplemental tubes of a supplemental cooling device. After a period of time the preforms are released from the supplemental cooling device and transferred back to retained engagement on the transfer shell. The transfer shell rotates to an unload position to eject the preforms from the transfer shell for evacuation from the machine.
A method of operating an injection molding machine includes translating a movable platen from a closed position to a part transfer position by overshooting the transfer position in an opening direction away from a stationary platen to an over-travel position, and then translating the moving platen back to the transfer position in a closing direction, opposite the opening direction. Movement of a take-out device towards an advanced position, in which the take-out device reaches between mold halves carried by the stationary and movable platens, occurs while the movable platen is moving between the over-travel and transfer positions, prior to coming to rest in the transfer position. When resting in the transfer position, the method includes transferring molded articles from a first mold section mounted to the movable platen to retained engagement on the take-out device reaching between the platens.
An injection molding machine includes a stationary platen and a moving platen mounted on a machine base, and a rotary apparatus for rotatably supporting a center mold section. The rotary apparatus includes a carriage body including a carriage upper portion supported by first and second carriage rails, and a carriage lower portion extending downward from the carriage upper portion laterally intermediate the first and second carriage rails. The rotary apparatus further includes a rotary table mounted atop the carriage body for rotatably supporting the center mold section. The rotary table is mounted to the carriage body by a rotary table bearing having a combination of bearing elements to bear axial, rotational, and moment loads. The machine further includes a plurality of tie bars extending between the moving platen and the stationary platen. The tie bars are free from engagement by the rotary apparatus.
A cooling plate for an injection molding machine includes a plate body, a plurality of sockets in the plate body for receiving respective spigot portions of a plurality of cooling tubes, and a cooling fluid conduit system in the plate body for cooling the cooling tubes. The cooling plate further includes an air conduit system in the plate body for providing air flow communication with the cooling tubes. Each socket forms a blockable flow passage between the cooling fluid conduit system and the air conduit system.
09 - Scientific and electric apparatus and instruments
Goods & Services
Injection molding machines and replacement parts therefor; extrusion machines for plastic and replacement parts therefor; apparatus being parts of machines for use in plastics processing, namely, feed screws Electronic Programmable Logic Controllers (PLC) for plastic molding machines and plastic molding equipment; Internet of Things (IoT) management software for managing injection molding machinery, blow molding machinery, plastic extrusion machinery, and associated work cell auxiliary equipment connected to the Internet; computer software, software development kits (SDK), and application programming interfaces (API) for use by developers in creating software applications; computer applications to control network products and Internet of Things (IOT)-enabled products, namely, injection molding machines and parts thereof
A retaining pin for handling injection molded preforms includes a body including an internal body flow channel, and a plunger coupled to the body and movable relative to the body between advanced and retracted positions. The plunger includes an internal plunger flow channel. The plunger further includes a plunger abutment surface directed away from the body. The plunger is biased toward the advanced position and movable to the retracted position by engagement of the plunger abutment surface with an inner surface of a closed end of a preform when the preform and retaining pin are moved toward each other. The body flow channel and the plunger flow channel are in fluid communication when the plunger is in the retracted position. Fluid communication between the plunger flow channel and the body flow channel is inhibited when the plunger is in the advanced position.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Injection molding machines and parts thereof; accessories for injection molding machines, namely, handling units for removal and distribution of parts, take-off systems for part removal and part replacement, robot transfer mechanisms, unscrewing attachments, conveyors, sorters, packers, cranes, lifting and clamping devices, molding tools, end effectors, cooling plates and tubes, and cooling pins and pin plates Consulting services in the field of energy efficiency; business consulting services in the fields of facility management and cost control Installation, maintenance and repair of injection molding systems and parts and fittings thereof; technical support, namely, technical advice and consultation in the field of installation, maintenance and repair of injection molding systems Engineering consultancy services related to the design, development and the manufacture of injection molded parts; technical support, namely, technical advice and consultation relating to the engineering of injection molding systems; technical support, namely, technical advice and consultation related to designing molds for injection molded parts; testing services related to injection molding systems and molds for injection molded parts; Consulting services in the field of factory automation and automation of manufacturing facilities; engineering consulting services in the field of environmental compliance; consulting services in the field of plant engineering; conducting energy audits
14.
Cooling plate assembly for an injection molding machine
A cooling plate assembly for an injection molding machine includes a cooling plate and a cooling fluid conduit system in the cooling plate. The cooling fluid conduit system includes a cooling fluid line extending between a cooling fluid inlet and a cooling fluid outlet. A socket is open to a front face of the cooling plate and intersects the first cooling fluid line. A cooling tube is mounted to the cooling plate, and includes a molded-article-receiving nest for receiving and cooling an injection molded article, a spigot received in the socket and blocking the first cooling fluid line, and a cooling tube conduit adjacent the molded-article-receiving nest. The cooling tube conduit extends between a cooling tube fluid inlet connected to the first cooling fluid line upstream of the socket, and a cooling tube fluid outlet connected to the first cooling fluid line downstream of the socket.
A static mixer for an injection molding machine comprises a plate having an inlet face, an axially opposed outlet face, and a longitudinal axis extending therebetween. A plurality of bores extend through the plate from the inlet face to the outlet face. Each bore extends along a bore axis that is inclined relative to the longitudinal axis. The inlet face comprises an inlet face peripheral portion and an inlet face central portion. The outlet face comprises an outlet face peripheral portion, and an outlet face central portion. A core extends longitudinally between the inlet face central portion and the outlet face central portion.
An injection molding machine includes a base, a stationary platen fixed to the base for holding a first mold section, and a moving platen for holding a second mold section. The moving platen is slidably supported on a platen slide surface fixed to the base and moveable along a machine axis between a mold closed position, in which the moving platen is drawn towards the stationary platen, and a maximum daylight position, in which the moveable platen is spaced axially apart from the stationary platen by a platen opening. The machine further includes a carriage support structure slidably supporting a stack mold carriage for holding a mold center section. The stack mold carriage is translatable parallel to the machine axis between a carriage advanced position and a carriage retracted position spaced axially apart from the carriage advanced position by a carriage stroke length. The carriage support structure includes a pair of beams removably fixed relative to the base, the beams extending parallel to the machine axis and spaced apart from each other by a lateral spacing, each beam having a beam length that is less than the platen opening and greater than the carriage stroke length.
A clamp assembly for an injection molding machine includes: (a) a cylinder housing having an inner end and an outer end spaced axially apart from the inner end; (b) a piston assembly comprising a tie bar end portion of a tie bar and a piston head affixed to the tie bar end portion, the piston assembly slidable within the housing between a meshing position and a clamped position spaced axially apart from the meshing position; (c) a clamp chamber between the piston head and the inner end of the cylinder housing for holding pressurized fluid and urging the piston assembly to the clamped position when pressurized; and (d) a spring return device adjacent the outer end of the cylinder housing, the spring return device pushing the piston assembly from the clamped position back to the meshing position when pressure in the clamp chamber is relieved.
A hot runner apparatus for a mold assembly of an injection molding machine includes a hot runner plate assembly having a first end portion and a second end portion and a machine axis extending therebetween. At least one insert coupling having an axial bore is secured to the first end portion of the hot runner plate assembly, for separable sealed engagement with a gate insert affixed to a cold half of the mold assembly. The insert coupling includes a coupling interface for contacting a mating interface of the gate insert in sealed contact during an injection cycle of the injection molding machine. The coupling interface includes a primary side surface that is inclined relative to the machine axis.
Apparatus for actuation of split locking nuts of a two platen injection molding machine. Each split locking nut has opposed mating nut halves movable in translation relative to a strain rod therebetween to selectably engage the strain rod. Mating nut halves of two split locking nuts are interconnected by connecting rods to define a pair of split nuts: a master split locking nut driven by an actuator; and a slave split locking nut to which motion is transferred by the connecting rods. Motion of a driven nut half of each master split locking nut is coupled to the opposed mating nut half by at least one coupling mechanism, each comprising a pivot arm and two pivot links interposed between the pivot arm and the opposed mating nut halves whereby translation of a driven nut half is coupled to effect equal and opposite translation of the opposed mating nut half.
An injection molding machine includes a base, a stationary platen fixed to the base for holding a first mold section, and a moving platen for holding a second mold section. The moving platen is slidably supported on a platen slide surface fixed to the base and moveable along a machine axis between a mold closed position, in which the moving platen is drawn towards the stationary platen, and a maximum daylight position, in which the moveable platen is spaced axially apart from the stationary platen by a platen opening. The machine further includes a carriage support structure slidably supporting a stack mold carriage for holding a mold center section. The stack mold carriage is translatable parallel to the machine axis between a carriage advanced position and a carriage retracted position spaced axially apart from the carriage advanced position by a carriage stroke length. The carriage support structure includes a pair of beams removably fixed relative to the base, the beams extending parallel to the machine axis and spaced apart from each other by a lateral spacing, each beam having a beam length that is less than the platen opening and greater than the carriage stroke length.
A lock assembly for releasably coupling a platen to a tie bar of an injection molding machine includes first and second lock nut segments translatable in a transverse between locked and unlocked positions for respectively engaging and disengaging the tie bar, and a carrier assembly for coupling the lock nut segments to the platen. The carrier assembly provides a slide surface for slidably supporting the lock nut segments during the translation of the lock nut segments between the locked and unlocked positions, and the carrier assembly resiliently supports the slide surface for axial movement of the slide surface with the lock nut segments between an unloaded position in which the lock nut segments are spaced away from the platen by a clearance gap, and a loaded position in which the lock nut segments bear against the platen.
An apparatus simultaneously operates all split locking nuts of an injection molding machine two-platen clamp unit to engage and disengage the split locking nuts with clamp unit strain rods. Each split locking nut has opposed pivoting nut halves operated by coupling rotation of a rotating member through a predetermined angular range to the nut halves via translating members such as push rods. The push rods are pivotably connected to the rotating member and to the nut halves so that the direction of each push rod relative to the rotating member and to the nut half changes with rotation of the rotating member. A method of molding comprises: disengaging split locking nuts from strain rods; positioning a moveable platen assembly to abut mating mold components; simultaneously operating the split locking nuts to engage the strain rods; and, applying force to the abutted mold components sufficient for injection and cure of melt.
40 - Treatment of materials; recycling, air and water treatment,
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Custom manufacture of plastics injection molding equipment and component parts thereof; brazing services for others; machine shop services, namely, machining parts for others; parts molding; prototype fabrication of new products for others Injection molding machines and replacement parts therefor; extrusion machines for plastic and replacement parts therefor; blow molding machines and replacement parts therefor; accessories for injection molding machines, extrusion machines, and blow molding machines, namely, industrial robots and conveyors; machines and machine tools for plastic processing, namely, industrial hot runner systems comprised of tubes, machine nozzles, gates, hot runners, manifolds, manifold plates, nozzle tips, manifold bars, thermic sensors and thermic conductors; apparatus being parts of machines for use in plastics processing, namely, feed screws and rotary tables; machine parts, namely, molds for use in plastics processing machines, namely, metal mold plates and bases Electronic controllers for plastic molding machines and plastic molding equipment Metal coating services for others; providing customized and on-site installation, maintenance, and repair services for injection molding equipment and component parts thereof; rebuilding and repair services for plastics processing machinery; technical support services, namely, technical advice related to the repair of plastics injection molding equipment and component parts thereof Design and development of plastics injection molding equipment and component parts thereof; providing an interactive website featuring technology that allows users to access selected information relating to use, operation, maintenance, and repair of plastics processing machinery and equipment
An injection unit for an injection molding machine includes a nozzle for dispensing melt to a mold, and a valve housing having a first port in fluid communication with the nozzle. The valve housing has a second port and a third port. A plasticizing barrel is in fluid communication with the second port. A shooting pot is in fluid communication the third port. A valve closure member is mounted in the valve housing. The valve closure member is moveable between a first position in which the first port is in fluid communication with the third port and in fluid isolation of the second port, and a second position in which the second port is in fluid communication with the third port and in fluid isolation of the first port. When in at least one of the first and second positions, fluid communication is provided between the respective ports through a gap provided between an outer surface of the closure member and an inner surface of the valve housing.
B29C 45/54 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
An injection molding machine includes a base; a pair of platens supported by the base, the platens supporting respective mold halves to form a mold; and a part-handling apparatus for holding and treating articles from the mold, the part handling apparatus separate from the mold. The part handling apparatus includes a take-out plate including at least one set of first cooling receivers for receiving and retaining a first set of molded articles from the mold, the first cooling receivers conductively transferring a first amount of thermal energy away from the first molded articles; and a supplemental cooling plate comprising at least one set of second cooling receivers for receiving and retaining the first set of articles; and the second cooling receivers conductively transferring a second amount of thermal energy away from the first molded articles.
A lock assembly for releasably coupling a platen to a tie bar of an injection molding machine includes first and second lock nut segments translatable in a transverse between locked and unlocked positions for respectively engaging and disengaging the tie bar, and a carrier assembly for coupling the lock nut segments to the platen. The carrier assembly provides a slide surface for slidably supporting the lock nut segments during the translation of the lock nut segments between the locked and unlocked positions, and the carrier assembly resiliently supports the slide surface for axial movement of the slide surface with the lock nut segments between an unloaded position in which the lock nut segments are spaced away from the platen by a clearance gap, and a loaded position in which the lock nut segments bear against the platen.
A valve assembly for use with a part handling assembly of an injection molding machine includes a housing having a first tooling port for fluid communication with a first set of receivers on the part handling apparatus and a second tooling port for fluid communication with a second set of receivers on the part handling apparatus. First and second vacuum channels extend through the housing and are provided with respective first and second vacuum closure members to provide selective fluid communication between a vacuum source and the first and second tooling ports, respectively. First and second pressure channels extend through the housing and are provided with respective first and second pressure closure members to provide selective fluid communication between a pressurized fluid source and the first and second tooling ports, respectively. The first pressure closure member is moveable independently from the first vacuum closure member, and the second pressure closure member is moveable independently from the second vacuum closure member.
An injection molding machine includes a base and an injection unit mounted to the base, and a first platen for holding a first mold section and a second platen for holding a second mold section. The first and second platens are supported by the base, and are movable along a machine axis between mold-open and mold-closed positions. At least a first tie bar engagement apparatus is associated with a first tie bar and includes a first bore in the first platen for receiving the respective tie bar therethrough at least when the platens are in the mold-closed position; and a first roller mounted to the first platen proximate the first bore. The first roller is rotatable about a first roller axis that is oriented horizontally and perpendicular to the machine axis.
An injection unit includes a cylinder casing comprising an inner cylindrical surface extending along an axis, and a piston housed in the casing and translatable along the axis between an advanced and a retracted position. The piston includes a piston radial surface in facing relation to the inner cylindrical surface, and the piston radial surface has a measurement detection feature. A probe is fixed relative to the cylinder casing, the probe communicating with the measurement detection feature when the piston is in and moving between the advanced and retracted positions to measure the translation of the piston.
G01B 21/16 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance or clearance between spaced objects
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer software, for interactive presentation of information pertaining to use, operation, maintenance and repair of plastics processing machinery and equipment and for facilitating procurement of repair parts for such machinery and equipment [ Providing an interactive website facility that allows users to access selected information for presentation to the user and relating to use, operation, maintenance and repair of plastics processing machinery and equipment and to procure repair parts therefore ]
Business services, namely, inventory management, purchasing and procurement services for others in the nature of fulfilling orders for repair parts and purchasing repair parts, scheduling repairs and maintenance scheduling all of the aforesaid services in the field of plastics machinery and being performed for third parties
Force from an electrically operated ejector mechanism of a molding machine is selectably supplemented by operation of second actuators. Second actuators are advantageously fluid (hydraulic or pneumatic) operated to supplement force provided by an electrically operated primary actuator when the ejector mechanism is driven to advance ejector members into cavities of a mold assembly. The second actuators may be enabled to be operated during automatically controlled execution of a machine cycle of operation and may be operated in response to operator selections when machine operation is controlled manually.
An injection drive unit includes a hollow cylindrical casing rotatably supported by a housing, the cylindrical casing having an axis and a front end and a back end spaced apart along the axis; a piston in the cylindrical casing, the piston axially slidable relative to the cylindrical casing along the axis between advanced and retracted positions, and the piston rotationally locked with the cylindrical casing to rotate therewith; and a cylinder cap generally closing off the back end of the cylindrical casing and providing a first pressure chamber between the piston and the cylinder cap, the cylinder cap including a stationary part affixed to the housing and a rotary part affixed to the cylindrical casing, at least the stationary part providing a stationary end face opposed to the piston and against which fluid in the first pressure chamber bears when pressurized.
An apparatus for injection molding comprises an injection unit comprising a plunger, the plunger being translated with accumulation of plasticized material in preparation for injection and being advanced to inject the accumulated plasticized material into mold cavities. At least one electric motor is engaged with the plunger to resist translation as melt is accumulated and to inject plasticized material into the mold cavities. At least one hydraulic actuator selectably operates the plunger during a pack and hold interval to supply supplemental force when force supplied by the electric motors is limited to maintain the operation of the motors within the applicable continuous duty rating thereof. The electric motors are advantageously selectably operatively engaged with the plunger to inject plasticized material into the mold cavities and the hydraulic actuators are operated to inject plasticized material into the mold cavities when the motors are not engaged therefore.
B29C 45/54 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
