Abstract: Composite laminate parts are made in a continuously moving line in which manufacturing operations are performed in individual work zones along the line.

Abstract: Apparatus and methods for creating cast metal objects in space and other environments. Molds are created using additive manufacturing and are injected with a castable metal having a melting point lower than a mold melting point. In some aspects, the additive manufacturing device and the metal casting unit are contained in the same unit.

Abstract: A method for fabricating a repair laminate for a composite part having an exposed surface includes applying a bonding material to the exposed surface and forming an uncured ply stack assembly on the bonding material. The uncured ply stack assembly is formed by forming and compacting a series of uncured ply stacks. The ply stack assembly and bonding material are then cured.

Abstract: Disclosed herein is, amongst other things, a mold stack that includes a core insert, a core ring, and a split insert that are configured to cooperate, in use, to define a molding cavity. The core insert defines a ring seat on a medial portion thereof upon which the core ring may be seated, in use, in cooperation with a mounting interface thereon. The split insert defines a pocket that extends coaxially through a second projecting portion thereof within which to receive a projecting portion of the core ring. The core ring and the split insert being further configured to define a core ring-to-split insert parting line that is within the pocket of the split insert. The core ring further defines a first split insert seat for receiving the second projecting portion of the split insert.

Abstract: A method is provided of cleaning of a portion of a mold component, the portion of the mold component including a passage configured, in use, to allow passage of fluid and to prevent passage of melt, the method comprising: entering the mold component into a cleaning configuration, whereby a portion of the passage becomes part of a molding surface; performing a molding cycle to fill in at least the portion of the passage with molding material for incorporation and removal of a residue there from. Also provided is a mold having a first mold half and a second mold half, the halves being movable relative to each other.

Abstract: An apparatus for granulating hot cut, in particular thermoplastic resin material, the material strands melted by an extruder being knocked off into granule pellets in a granulating housing by rotating knives disposed on a shaft driven by way of a motor, the granule pellets being picked up by a cooling medium flowing in the granulating housing, cooled and discharged out of the granulating housing, characterized in that a flow opening establishing a continuous fluid connection between the inside of the granulating housing and the outside environment is designed between the shaft and the region of the granulating housing in which the shaft penetrates the granulating housing.

Abstract: A label applicator that includes an applicator housing having a flow chamber and a suction side. The suction side has one or more openings that allow air to pass therethrough. The label applicator also includes first and second air flow generators that are fluidly coupled with the flow chamber. The first and second air flow generators are configured to generate first and second air flows, respectively, through the flow chamber. The label applicator also includes a valve mechanism that is positioned in the flow chamber to direct the first and second air flows through the flow chamber of the applicator housing. The valve mechanism includes a diverter valve and an electric actuator. The actuator is configured to move the diverter valve within the flow chamber to different positions during a label application operation.

Abstract: A mold includes a top portion, and an edge ring having a ring-shape. The edge ring is underlying and connected to edges of the top portion. The edge ring includes air vents. The edge ring further encircles the inner space under the top portion of the mold. A plurality of injection ports is connected to the inner space of the mold. The plurality of injection ports is substantially aligned to a straight line crossing a center of the top portion of the mold. The plurality of injection ports has different sizes.

Abstract: The invention concerns a device (1) for producing a moulded part from a composite material comprising a mixture of reinforcement fibres (2) and a resin (3), said device (1) comprising: a mould (4) wherein a recess (5) is provided, configured for the arrangement of the fibres (2); a counter-mould (6) which is provided with at least one channel (9) for introducing the resin (3) into the recess (5), and which is intended to rest against the mould (4) in order to close the recess (5); means for positioning and securing the counter-mould (6) on the mould (4); at least one means (7) for depressurising the recess (5) the mould (4) and the counter-mould (6) comprising respective support areas surrounding the recess (5), which comprise two seals delimiting a dosing chamber (22). The invention also concerns a method for producing a moulded part from a composite material implementing the device (1).

Abstract: A resin laminate manufacturing method includes providing a pair of split mold blocks one of which has a cavity provided with a plurality of protrusions extending toward the other mold block, preparing two molten thermoplastic resin sheets each having an adjusted thickness, feeding the two molten thermoplastic resin sheets between the pair of split mold blocks with a predetermined gap left therebetween, forming a hermetic space between one of the sheets and the cavity of the one mold block opposed to an outer surface of the one sheet, sucking air in the hermetic space from the side of the one mold block, pressing the outer surface of the one sheet against the cavity of the one mold block to shape the one sheet, forming cup-shaped portions, and clamping the pair of mold blocks.

Abstract: A pressure maintaining device for a resin injecting system, including a first chamber that can be connected to a pressurizing device and is able to be connected to a vacuum generating device; a second chamber that can be connected to a resin injection network of the injection system by a resin injection pipe and a resin outlet pipe, the first chamber and the second chamber being arranged so that the one is unable to leak into the other; a flexible body able to transmit pressurizing of the first chamber to the second chamber so as to apply pressure to the injection network of the injection system; a perforated rigid plate able to limit the deformation of the flexible body when the vacuum is created in the first chamber.

Abstract: A mold, a molding machine, and a foamed molded body manufacturing method are provided that are capable of more reliably preventing ingress of foamed resin into a gas discharge hole using a gas-impermeable member and capable of adequately discharging gas inside the cavity to the cavity outside through the gas discharge hole during foam molding, and that are also capable of achieving good design characteristics in a foamed molded body. A gas discharge hole 5 is provided at a cavity 4 inner face of a mold 1 and discharges gas inside the cavity 4 to outside the cavity 4. A gas-permeable member 6 is disposed inside the cavity 4 of the mold 1 so as to cover the gas discharge hole 5, and a gas-impermeable member 8 is disposed on the gas discharge hole 5 side of the gas-permeable member 6 so as to face the gas discharge hole 5.

Abstract: A vacuum device includes a main body and an adjustment assembly connected to the main body. The main body includes a frame, a loading member, and an elastic film. The loading member and the elastic film are arranged at opposite end surfaces of the frame. A chamber is cooperatively formed by the frame, the loading member, and the elastic film. The adjustment assembly adjusts the inner air pressure of the chamber. The loading member includes an absorption area connecting the chamber to outside the main body. The absorption area changes the air pressure inside the chamber. Also provided is a bonding apparatus using the vacuum device.

Abstract: A method includes placing a package structure into a mold chase, with top surfaces of device dies in the package structure contacting a release film in the mold chase. A molding compound is injected into an inner space of the mold chase through an injection port, with the injection port on a side of the mold chase. During the injection of the molding compound, a venting step is performed through a first venting port and a second venting port of the mold chase. The first venting port has a first flow rate, and the second port has a second flow rate different from the first flow rate.

Abstract: 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.

Abstract: A mold assembly that forms an expansion molded body by expanding foam raw material inside a cavity, includes a first die, a second die that closes together with the first die, wherein a sealed cavity is formed between the first die and the second die when the first die and the second die are closed, and a sealing member that is provided on at least one of the first die or the second die and seals the cavity, wherein at least one of a first space that is on a side of the sealing member that faces the cavity and leads to the cavity, or a second space that is formed inside the sealing member and leads to the cavity, is formed when the first die and the second die are closed.

Abstract: A microfluidic device platform may include a valve manifold adapted to deliver a programmable pressure to a plurality of ports, a cell chamber having programmable environmental control, and a chip-to-world interface.

Abstract: A mold includes a first core and a second core matched with the first core. The first core includes a first die parting surface defining the molding cavity. The second core includes a second die parting surface facing the first die parting surface. A plurality of first exhaust grooves are defined in the first die parting surface. A plurality of transverse second exhaust grooves are defined in the second die parting surface. When the mold is closed, the first core and the second core cooperatively form at least one molding space. The first exhaust grooves are machining marks formed during the machining of the first core. The second exhaust grooves are machining marks formed during the machining of the second core.

Abstract: To prevent defective molding, a base member is set between split molds of a metal mold, a molding rubber material is injected into an endless shape cavity defined between the base member and the split mold, an injection amount thereof is made such that the molding rubber material fills the cavity and thereafter flows from an air vent hole open to a confluence position in the cavity into a surplus material reservoir provided downstream but does not fill the surplus material reservoir, pressure drop due to flow resistance is caused to the molding rubber material flowing into the surplus material reservoir, and thereby pressure in the cavity is maintained to be not lower than pressure required to mold a gasket and lower than pressure causing leakage from the cavity.

Abstract: A pressure maintaining device for a resin injecting system, including a first chamber that can be connected to a pressurizing device and is able to be connected to a vacuum generating device; a second chamber that can be connected to a resin injection network of the injection system by a resin injection pipe and a resin outlet pipe, the first chamber and the second chamber being arranged so that the one is unable to leak into the other; a flexible body able to transmit pressurizing of the first chamber to the second chamber so as to apply pressure to the injection network of the injection system; a perforated rigid plate able to limit the deformation of the flexible body when the vacuum is created in the first chamber.

Abstract: In some examples, a method for densifying a material via pitch comprises inserting the material to be densified into a mold, wherein the mold is part of an apparatus. The apparatus may include a ram configured to apply a ram pressure sufficient to force a pitch into the mold to densify the material, a gas source configured to apply a gas pressure sufficient to force the pitch into the mold to densify the material, and a vacuum source operable to create a vacuum pressure in the mold at least prior to application of either the ram pressure or the gas pressure. The method may further comprise densifying the material in the mold via pitch using a selectable one of the ram, the gas source, the ram and the vacuum source, or the gas source and the vacuum source.

Abstract: The present invention relates to a method and to a device for extracting air in an injection molding device. The device comprises an extraction hood having a housing, in which one or more extraction ducts are provided, wherein the extraction hood can be disposed in the region of the injection nozzle of an injection unit, the housing at least partially encloses the injection nozzle of the injection unit, and air can be extracted from the region of the injection nozzle via openings (38) or ducts (34), and a ventilation device connected to the housing of the extraction hood (16) for flowing. According to the invention, the extraction hood and/or the ventilation device can be adjusted for implementing different extraction intensities in at least two operating modes.

Abstract: To provide an expansion injection molding process, which is freed from the occurrence of swirl marks on the surface of a molded article and by which foamed injection moldings having good appearance can be produced in a short molding cycle and at a low cost; and a mold for expansion injection molding. A movable mold 2 is moved toward a fixed mold 1, whereby a sealing member 6 set on at least one of a pair of facing surfaces of the mold 1 and mold 2 in the outside of a cavity is brought into contact with the other of the facing surfaces or a sealing member 6 set thereon to make the cavity 3 gas-sealed state. While keeping the gas-sealed state, the movable mold 2 is further moved toward the fixed mold 1 with the sealing member 6 compressed, whereby the volume of the cavity 3 is decreased to enhance the pressure in the cavity 3 to a level exceeding the atmospheric pressure. Then, a thermoplastic resin is injected into the cavity 3 of an enhanced pressure.

Abstract: A resin transfer molding (RTM) molding device is designed to mold a fiber-reinforced plastic (FRP) molded body by injecting a resin composition into a mold and by impregnating the molded body therewith. The resin composition is a chain curing polymer (CCP). A CCP accommodating layer is disposed adjacent to an outer side of the molded body. The layer contains the CCP. The layer is provided with a Vf limit value, the value defined by the curing characteristics of the CCP and the characteristics of dissipation of heat from the CCP to the exterior. An element for separating the molded body is disposed between the body and the layer.

Abstract: A method for manufacturing a laminated board, comprising: preparing a first and a second prepregs 30a, 30b with a carrier by laminating the carrier with an insulating resin layer in which a fiber cloth is embedded, and laminating the first and the second prepregs 30a, 30b with a carrier by bonding the insulating resin layer in the first prepreg 31a with a carrier and the insulating resin layer in the second prepreg 31b with a carrier directly or via an additional member under reduced pressure and heating it.

Abstract: An in-mold labeling apparatus for an injection-molded product includes a label magazine, a handling tool, an injection mold, and a controller. The injection mold has a suction port disposed in the mold cavity. A pin may be fixedly or movably disposed in the suction port. A method of in-mold labeling an injection-molded product includes applying a static charge to the label using the handling tool, activating the suction port in the mold cavity, deactivating a suction port of the handling tool, and activating the injection molding.

Abstract: A method is provided of cleaning of a portion of a mold component, the portion of the mold component including a passage configured, in use, to allow passage of fluid and to prevent passage of melt, the method comprising: entering the mold component into a cleaning configuration, whereby a portion of the passage becomes part of a molding surface; performing a molding cycle to fill in at least the portion of the passage with molding material for incorporation and removal of a residue there from. Also provided is a mold having a first mold half and a second mold half, the halves being movable relative to each other.

Abstract: An RTM molding device and an RTM molding method which enable resin impregnation of even large members and thick members without causing non-impregnated regions or fiber wrinkle, and yield a molded body having superior toughness and excellent precision. In the RTM molding device, a surface molding layer, which is disposed between a fiber-reinforced base material and a molding die, has a plurality of through-holes formed therein, and has sufficient rigidity that the thickness does not substantially change under the pressure inside the cavity when the inside of the cavity is placed under reduced pressure, and a resin diffusion portion, which is located on the side of the surface molding layer opposite the fiber-reinforced base material, and comprises a resin flow path formed so as to connect with the plurality of through-holes of the surface molding layer, are provided on at least one surface of the fiber-reinforced base material.

Abstract: There is provided an improved valve mechanism for use with a casting or injection mold which is quick acting and simple to construct. The valve includes an inlet coupled to the mold cavity and an outlet for venting gas from the mold cavity. The valve further includes a closure oriented perpendicularly to the inlet and movable between open and closed positions for closing off the outlet. The closure has a central axis and the valve is configured to move the closure into the closed position by directing the melt passing through the inlet to impinge substantially coaxially upon the closure so as to transfer a majority of the momentum of the melt to the closure.

Abstract: Devices, systems, and methods for producing ophthalmic lens molds and molded ophthalmic lenses are described. The present devices, systems, and methods provide venting of gases produced during injection molding of ophthalmic lens molds. With the present devices, systems, and methods, improvements in mold quality, lens quality, mold quality consistency, and lens quality consistency can be achieved compared to existing injection molding devices, systems, and methods. An optic power insert bushing is described and includes a venting system that directs gas from a first end of the bushing toward a second end of the bushing. The gas is directed between an optic power insert and an inner sidewall surface of a bushing bore in which the optic power insert is located. The bushing or bushings, and optic power inserts, can be provided as components of an ophthalmic lens mold injection system. Methods of making and using the vented bushings are also described.

Abstract: A mold includes a top portion, and an edge ring having a ring-shape. The edge ring is underlying and connected to edges of the top portion. The edge ring includes air vents. The edge ring further encircles the inner space under the top portion of the mold. A plurality of injection ports is connected to the inner space of the mold. The plurality of injection ports is substantially aligned to a straight line crossing a center of the top portion of the mold. The plurality of injection ports has different sizes.

Abstract: An injection mold comprises a second die, a first die engaging with the second die, and an inclined pin. The first die defines an inclined pin hole. The inclined pin fixed in the inclined pin hole of the first die. The first die comprises a mold core on the first die. The mold core comprises two opposite ends. Each end defines a first exhaust groove. The inclined pin head comprises a second exhaust groove, a recessed portion, and a third exhaust groove. The second exhaust groove, the recessed portion, and the third exhaust groove communicate with the first exhaust groove. The injection mold further comprises a diverting groove located between the inclined pin and the first die, and a guide groove allows the third exhaust groove communicate with the diverting groove.

Abstract: A resin transfer molding (RTM) molding device is designed to mold a fiber-reinforced plastic (FRP) molded body by injecting a resin composition into a mold and by impregnating the molded body therewith. The resin composition is a chain curing polymer (CCP). A CCP accommodating layer is disposed adjacent to an outer side of the molded body. The layer contains the CCP. The layer is provided with a Vf limit value, the value defined by the curing characteristics of the CCP and the characteristics of dissipation of heat from the CCP to the exterior. An element for separating the molded body is disposed between the body and the layer.

Abstract: A method is disclosed for the sealing of hard shell capsules having coaxial body parts which overlap when telescopically joined. Also described is an apparatus to seal the capsules. The method comprises the steps of holding the capsule in a precise and upright position and injecting a known quantity of sealing fluid in the overlap of the body parts. An apparatus for performing the method is also disclosed. The apparatus comprises a sealing clamp (1, 11, 21, 31, 41, 51, 61) to hold the capsule in an upright position and means (5, 15, 25, 35, 45, 55, 65) to inject the sealing fluid in the overlap of the body parts.

Abstract: A mold includes a first core and a second core matched with the first core. The first core includes a first die parting surface defining the molding cavity. The second core includes a second die parting surface facing the first die parting surface. A plurality of first exhaust grooves are defined in the first die parting surface. A plurality of transverse second exhaust grooves are defined in the second die parting surface. When the mold is closed, the first core and the second core cooperatively form at least one molding space. The first exhaust grooves are machining marks formed during the machining of the first core. The second exhaust grooves are machining marks formed during the machining of the second core.

Abstract: There is provided a neck ring for defining at least a portion of a neck portion of a preform. The neck ring comprises a body having: mounting flange and a molding face, the molding face including a venting structure, the venting structure having: (i) a plurality of air vent grooves for collecting and venting, in use, excess air from a molding cavity as it is being filled with the molding material, and (ii) an air collector groove in fluid communication with the plurality of air vent grooves for providing an evacuation path for the air to be vented from the plurality of air vent grooves.

Abstract: A method of manufacturing root of megawatt wind-turbine blade includes the following steps: (1) manufacturing an independent female mould, and arranging a positioning stop-ring on the female mould; (2) clinging on one side of the positioning stop-ring, a plurality of glass fabrics and macroporous glass fabrics are laid on the curved surface of the female mould; (3) after laying the glass fabrics, sealing the female mould using a vacuum bag, and vacuumizing the female mould after a curved supporting board is arranged on the vacuum bag; (4) after laying a plurality of glass fabrics in the blade mould, slinging the prefabricated part and the curved supporting board to arrange them in the blade mould; (5) sealing the blade mould using another vacuum bag, vacuumizing the blade mould, thereafter infusing resin into the blade mould, after curing the root of the blade is finally formed.

Abstract: The invention pertains to a method for manufacturing an interior trim component that features a special injection molding process and a selective back-foaming process.

Abstract: The present invention provides a mold for cup lids including a male mold and a female mold, wherein the male mold has a convex member, an annular member, and a first air channel. The annular member is annularly disposed at outside of a periphery of the convex member, and a gap is formed between the convex member and the annular member. The first channel communicates the gap and an external space. When mold closing, a mold cavity is formed between the male and the female molds, and a second air channel communicating the mold cavity and the external space is also formed therebetween. The gap communicates with the mold cavity. Thereby, the mold of the present invention can be injected with plastic material, and original air inside can be discharged from the air channels. Hence, the yield rate of injection is improved.

Abstract: An air guide shaft capable of filling to the air guide holes of a mold for guiding air and prevent large particles from flowing out comprises a stop being a round cylinder for stopping material; an air guide having a plurality of axial trenches extending from a body of the air guide; one end of the air guide being a taper end; the air guide serving for guiding air to flow out; and a neck connected between the stop and the air guide; and The air guide shaft is tightly engaged into an air releasing hole of a mold. Thus, large particles of the material within the mold will not flow out from the hole, while air within the mold will flow out from the hole. The final product molded from the mold has a perfect outer side.

Abstract: A tool for the infusion of a resin into a preform made of fiber material includes a mould which can be closed around the preform and in the body of which at least one inlet duct is formed to allow resin to be injected into the mould so that the resin can be infused into the preform. At least one reservoir which can contain the resin, is also formed in the body of the mould and is connected to the at least one inlet duct. The mould can be inserted in an autoclave and the reservoir is configured to permit the transfer of the resin from the reservoir to the inlet duct under the effect of the temperature and of the pressure that are produced in the autoclave, thus allowing the resin to be injected into the mould.

Abstract: The present invention aims to provide a manufacturing method for a PDP which allows even high-definition and ultra-high-definition PDPs to demonstrate an excellent image display capability at improved luminous efficiency, by suppressing variation of a discharge gas composition, and by eliminating an impurity gas in a discharge space effectively. To achieve the aim, deterioration of an absorbent material 39 composed of copper ion-exchanged ZSM-5-type zeolite is prevented, by performing both sealing and evacuation steps for the front substrate 2 and back substrate 9 in a non-oxidizing gas atmosphere. This maintains properties of the absorbent material 39 for absorbing the impurity gas without degradation, even if the absorbent material 39 absorbs a Xe gas in a discharge gas introducing step.

Abstract: An injection molding machine includes a gas feeding mechanism configured to feed gas to a cavity formed between a first mold plate and a second mold plate in a clamped state; an injection apparatus configured to inject a foamable resin into the cavity having an inside pressure thereof increased to be higher than an atmospheric pressure by the gas feeding mechanism; and a gas releasing mechanism configured to release the gas inside the cavity to an atmosphere through a gap formed between an inner wall surface of a through hole formed through one of the first mold plate and the second mold plate and an outer circumferential surface of a mold member inserted into the through hole, during or after the injection of the foamable resin by the injection apparatus.

Abstract: An orthopedic prosthesis mold, including a first housing defining a first cavity therein shaped to form a portion of an orthopedic prosthesis; a second housing coupled to the first housing, the second housing defining a second cavity therein shaped to form a portion of an orthopedic prosthesis; and a reinforcement element attached to at least one of the first or second housings, the reinforcement element resisting deformation of the first and second housings. The reinforcement element may include a member exterior to the first and second cavities, the member spanning across a substantial width of the prosthesis mold.

Abstract: The present invention relates to a method and to a device for extracting air in an injection molding device. The device comprises an extraction hood having a housing, in which one or more extraction ducts are provided, wherein the extraction hood can be disposed in the region of the injection nozzle of an injection unit, the housing at least partially encloses the injection nozzle of the injection unit, and air can be extracted from the region of the injection nozzle via openings (38) or ducts (34), and a ventilation device connected to the housing of the extraction hood (16) for flowing. According to the invention, the extraction hood and/or the ventilation device can be adjusted for implementing different extraction intensities in at least two operating modes.

Abstract: A method for molding a nut into a cover of an electronic device is provided. The nut includes a chassis defining a threaded blind hole therein. The method includes the following steps: providing a core mold, the core mold including a molding surface and a recess defined in the molding surface; placing the nut on the core mold with the chassis fittingly engaged in the recess; creating a negative pressure within the recess to firmly secure the chassis in the recess; attaching a cavity mold to the core mold, the cavity mold and the core mold cooperatively forming a molding cavity receiving the nut therein; and injecting molding material into the molding cavity to form the cover with the nut embedded therein. A molding device for molding the nut into the cover is also provided.

Abstract: A vacuum-induced injection molding apparatus is disclosed. The apparatus includes a tool surface having an injection port extending therethrough. A flexible film extends over and is sealingly coupled to the tool surface. The flexible film comprises an outer surface and an inner surface such that the flexible film inner surface and the tool surface define a volume. A vacuum chamber is sealingly coupled to the outer surface of the flexible film. A vacuum port is in fluid communication with the volume. A method of injection molding a polymer matrix composite is also disclosed.

Abstract: A method for fabricating an air-filled cellular structure for use as a resilient cushion. The method includes providing a molding structure including a shelf substantially surrounding a depression, and a platform that fits within the depression and is selectively movable between a plurality of positions relative to the shelf, moving the platform to a preselected position relative to the shelf, wherein the preselected position corresponds to a substantially predetermined amount of air to be contained by the air-filled cellular structure, and using a vacuum device to draw air from within the depression.

Abstract: A string cheese-forming machine provides for extrusion of cheese into control volumes, for example, implemented with tubes each movably blocked with a piston having a stop. Complete filling of each tube is detected before ejection of the cheese from the tubes is undertaken, thereby ensuring consistent product volume and weight.

Abstract: A laboratory test tube is formed between male and female mold elements by injection of molten plastic material. The female element has a bottom element formed by first and second alternating complementarily shaped wedges. At least the second wedges are able to move under the pressure of the molten plastic from a rest position to an operative position in order to form slits which allow air, but not molten plastic, to exit from the mold.