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VACUUM TREATMENT OF WORK

Subclass of:

264 - Plastic and nonmetallic article shaping or treating: processes

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
264102000 To degas or prevent gas entrapment 16
Entries
DocumentTitleDate
20120168978HIGH OUTPUT CALIBRATOR ASSEMBLY FOR PIPE EXTRUSION AND RELATED METHODS - An adjustable sizing sleeve for pipe extrusion is provided. The sizing sleeve is a hollow, cylindrical body with a helical gap formed in the body. The helical gap allows the sleeve to be twisted by rotating opposing ends in opposite directions and resulting in a contraction of the inner diameter of the sleeve In another embodiment, a high intensity cooling feature of a calibrator assembly for extrusion is provided. The cooling feature is designed to provide a high Reynolds number and high pressure of cooling fluid flowing to a sizing sleeve (or other calibrator) of an extrusion assembly to provide sufficient cooling of the front-most portion of the sleeve to maximize heat transfer between the outer surface of the material being extruded and the inner surface of the front-most portion of the sleeve to fully solidify the entire surface of the material being extruded07-05-2012
20090218715METHOD OF MAKING A DUNNAGE PLATFORM - A dunnage platform is in the general shape of a rectangular slab with legs extending form one side. The dunnage platform is made from an expanded polystyrene core. A chemical combination process is used to chemically combine portion of the core proximal to its surface with high impact polystyrene. In a first of two parts of the combination process, the core is placed in a forming mold with one of its two sides and two thirds of its thickness extending therefrom. A heated sheet of high impact polystyrene is brought into contact with the portion of the core extending from the mold. In a similar manner, the other of the two sides of the core is made to extend from the forming mold for contact with a heated sheet of high impact polystyrene.09-03-2009
20100109184METHOD FOR THE MANUFACTURE OF AN ENGINE SHAFT - For the manufacture of a tubular low-pressure turbine shaft made of a fiber-composite material with metallic driven/driving protrusions (05-06-2010
20100155984MANUFACTURING ONE-PIECE COMPOSITE SECTIONS USING OUTER MOLD LINE TOOLING - A method for manufacturing composite parts. A temporary removal layer may be placed on an inner mold line tool. A composite material may be laid up on the inner mold line tool for a composite part. The inner mold line tool may be positioned with the composite part inside an outer mold line tool. The composite part and the temporary removal layer may be transferred from the inner mold line tool to the outer mold line tool. The inner mold line tool and the temporary removal layer may be removed from inside of the outer mold line tool after transferring the composite part and the temporary removal layer to the outer mold line tool.06-24-2010
20090206504Highly Deformable Shape Memory Polymer Core Composite Deformable Sandwich Panel - A deformable sandwich panel is disclosed according to one embodiment. The deformable sandwich panel may include first and second face sheets. These face sheets may each comprise a first and second surface and be substantially flat. The deformable sandwich panel also includes a shape memory material sandwiched between the first face sheet and the second face sheet. The shape memory material may be in continuous contact with a substantial portion of the first surface of the first face sheet and with a substantial portion of the first surface of the second face sheet. The deformable sandwich panel may be fabricated with a first shape, deformed into a second shape and then deployed back to the first shape. The first and second shapes may be maintained without mechanical loads.08-20-2009
20100133715MANUFACTURING MEHTOD OF THREE-DIMENSIONAL CROSS-LINKED FOAM FOR UPPERS OF SHOES - The present invention provides a manufacturing method of three-dimensional cross-linked foam for uppers of shoes that comprises preparing plural foaming materials having a planar shape with the cross-linked foaming suppressed; forming at least one interfacing pattern including a main interfacing pattern on at least one of the foaming materials; cross-linked foaming the foaming material to obtain a planar cross-linked foam having at least one inner cavity structure including a main inner cavity structure, the main inner cavity structure formed by the main interfacing pattern; disposing the planar cross-linked foam in a cavity of a molding die, the cavity having a shape corresponding to a last; and vacuum molding a covering portion of the main inner cavity structure into a shape corresponding to the cavity of the molding die by attracting the covering portion to the surface of the cavity of the molding die by a vacuum pressure.06-03-2010
20130069269SYSTEM AND METHOD FOR MANUFACTURING BONDED MAGNET USING RARE EARTH POWDER - Disclosed is a system and method for manufacturing a bonded magnet using a rare earth powder. In particular, a residual rare earth magnet scrap is pulverized to manufacture a regenerated powder using an HDDR process (hydrogenation, disproportionation, desorption, and recombination). Then a raw material of a neodymium magnet (Nd—Fe—B) is melted down to manufacture an alloy powder using a quenching process. Subsequently the regenerated powder, the alloy powder, and a binder are mixed together to manufacture a resulting mixture which is then mixed with a thermoplastic resin or a thermosetting resin to manufacture the bonded magnet using a compression process or an injection process.03-21-2013
20130056894METHOD FOR MANUFACTURING CRASH PAD FOR VEHICLES - Disclosed is a method for manufacturing a crash pad for vehicles. In the method, a surface material is inserted into an upper mold. A base material of a liquefied resin is supplied through a loading aperture of a lower mold. A shape of a molded product of the crash pad including the surface material and the base material is maintained by combining the upper mold and the lower mold together and then cooling thereafter. The molded product is taken out from a mold after separating the upper mold from the lower mold.03-07-2013
20090267256Insert molding die, insert molding apparatus and insert molding method - An insert molding die, an insert molding apparatus and an insert molding method are disclosed, wherein a pair of dies 10-29-2009
20110018158Vacuum Coupled Tool Apparatus for Dry Transfer Printing Semiconductor Elements - Provided are an optimized tool apparatus and methods for dry transfer printing of semiconductor elements with high yield and good placement accuracy. The tool apparatus comprises a vacuum coupled fast peel apparatus that provides high pickup yield of the semiconductor elements. In an aspect, this vacuum coupled apparatus provides high pickup rates during pickup of the semiconductor elements from a donor/source wafer. Provided is a tool apparatus for dry transfer printing with a reinforced composite stamp having a thin glass-backing. The tool apparatus also comprises a pressure regulated micro-chamber which provides precise control of a composite stamp lamination and de-lamination. In an aspect, the micro-chamber has an internal cavity volume that is variably controlled, thereby providing precise control of the force on the stamp, and corresponding separation velocity, and improved semiconductor element pick-up and/or placement.01-27-2011
20090295011Vehicle component and method for making a vehicle component - The invention is also directed to a method for forming a component for a vehicle. The method comprises forming a substrate in a mold by injecting a first resin into a first cavity, reconfiguring a portion of the mold to form a second cavity, and injecting a second resin into a second cavity; providing a flexible member adjacent at least a portion of the substrate to form a cavity between the substrate and the flexible member; coupling at least a portion of the flexible member to the substrate; and introducing a material into the cavity after securing at least a portion of the flexible member to the substrate. The flexible member and the material introduced into the cavity form a cushioned region for the vehicle component12-03-2009
20110285048Anisotropic Foam-Film Composite Structures - Multilayer foam-film composite structures in which the cells of at least one foam layer have an anisotropic orientation exhibit at least one enhanced property of toughness, tear resistance and puncture resistance in comparison with a foam-film composite structure alike in all aspects except for the anisotropic orientation of the cells of at least one foam layer.11-24-2011
20120153528APPARATUS FOR CARBON FIBER PROCESSING AND PITCH DENSIFICATION - A pitch densification apparatus may be used to form a carbon-carbon composite material. The apparatus may be used to compress a carbon fiber material, and, thereafter, pitch densify the carbon fiber material. The compression and pitch densification of the carbon fiber material may be carried out within the same mold cavity of the pitch densification apparatus. In one example, an apparatus may comprise a mold defining a mold cavity that is configured to receive a material to be densified. The mold cavity is configured to be adjusted from a first volume to a second volume less than the first volume to compress the material in the mold cavity. The example apparatus may further comprise a gas source configured to apply a gas pressure in the mold cavity to force pitch into the material in the mold cavity to densify the material, and a vacuum source configured to create a vacuum pressure in the mold cavity at least prior to the application of the gas pressure.06-21-2012
20090309253METHOD AND APPARATUS FOR PLANARIZING A POLYMER LAYER - A method for planarizing a polymer layer is provided which includes providing a substrate having the polymer layer formed thereon, providing a structure having a substantially flat surface, pressing the flat surface of the structure to a top surface of the polymer layer such that the top surface of the polymer layer substantially conforms to the flat surface of the structure, and separating the flat surface of the structure from the top surface of the polymer material layer.12-17-2009
20100078846Particle Mitigation for Imprint Lithography - Particles may be present on substrates and/or templates during nano-lithographic imprinting. Particles may be mitigated and/or removed using localized removal techniques and/or imprinting techniques as described.04-01-2010
20100123263Thermoformed twinsheet molded vehicle door system - The present invention is a twinsheet door which includes a first door portion and a second door portion connected to the first door portion. The twinsheet door of the present invention is manufactured using a thermoforming process, during which a vacuum shapes the first door portion and the second door portion such that one or more closed sections are created when the first door portion is thermally bonded to the second door portion and simultaneously a vacuum is applied to form the first door portion and said second door portion. The closed section formed between the first door portion and second door portion provides additional strength and rigidity to the twinsheet door. Additionally, the forming of the closed section between the first door portion and the second door portion and the bonding between the first door portion and second door portion is achieved during a single manufacturing process.05-20-2010
20090273111METHOD OF MAKING A WIND TURBINE ROTOR BLADE - A method of manufacturing an article with vacuum assist. The method comprises the steps of providing a work-piece to be impregnated with resin. The work-piece has reinforcing fibers. A microporous membrane is applied over the work-piece. The microporous membrane has an oleophobic treatment. A vacuum film is applied over the microporous membrane. A polymeric resin is introduced to the work-piece. The resin is infused through the work-piece by applying a vacuum to the work-piece. The resin is cured to form the article.11-05-2009
20120292803GOLF BALL - In a golf ball composed of a core and one or more cover layer which encloses the core, at least one cover layer is made primarily of a thermoplastic polyurethane elastomer obtained by reaction curing a polyurethane undiluted solution which includes both a copolymeric polycarbonate polyol-containing polyol component and a polyisocyanate component. The golf ball has an improved scuff resistance, particularly an improved low-temperature scuff resistance.11-22-2012
20090008813METHOD FOR PRODUCING A BIODEGRADABLE, SYNTHETIC AND FLEXIBLE DIAPHYSEAL OBTURATOR - The present invention relates to a method for preparing a biodegradable piece for medical use including the steps of: 01-08-2009
20090206505METHOD OF REDUCING THE VOLUME OF A NON-RETURNABLE BLOW-MOLDED BREWERY-SPECIFIC BEER KEG AND OTHER NON-RETURNABLE CONTAINERS - A method of reducing the volume of a non-returnable blow-molded brewery-specific beer keg and other non-returnable containers. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.08-20-2009
20100102473METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD - A method of manufacturing a liquid discharge head including a flow path member for forming a flow path communicating with a discharge port discharging a liquid forms a mold of the flow path made of a positive photosensitive resin on a substrate; applies a coated layer on the mold for forming the flow path member, which coated layer includes a solvent, an epoxy resin, and a curing agent of the epoxy resin; removes the solvent from the coated layer at a normal temperature under substantially 1 atm. so that the weight of the coated layer may become 93% or less of that of the coated layer at a time of the applying of the coated layer, and then further removes the solvent from the coated layer under a depressurized condition; cures the coated layer; and removes the mold to form the flow path.04-29-2010
20090166911Process for Producing Molded Article by T-Die Molding - [Object] Disclosed is to provide a process for producing a molded article of polyethylene excellent in mechanical properties while the productivity at the time of T-die molding is improved, and a process for producing a secondary molded article by vacuum molding of the molded article with high formability. 07-02-2009
20080284052VACUUM EXTRUSION METHOD OF MANUFACTURING A THERMAL PASTE - A method of manufacturing a thermal paste, in which the method includes feeding the thermal paste into a chamber of an extruder; mixing the thermal paste at elevated temperatures; de-airing the thermal paste; and extruding the thermal paste out of the chamber through a die as a pre-form or into a cartridge, such that air channels and pseudo-grain boundaries are prevented from forming in the thermal paste.11-20-2008
20080258329METHOD OF PREPARING A MOLDED ARTICLE - A method of forming a shaped thermoplastic sheet is described. The method includes providing a mold apparatus (10-23-2008
20100201019Method and composition for reducing waste in photo-imaging applications - Waste reduction, including hazardous waste reduction in photoimaging processes can be accomplished by improving diffusional resolution of cationic curable compositions. The addition of fluorinated polymers including fluorinated surfactants provides improved diffusional resolution in cationic and/or radical based photoimaging formulations allowing for image accuracy improvements, and reduced product and process waste quantity and disposal cost. These fluorinated surfactants also allow for increased cure speed, and non-hazardous constituent formulations that result in less wasted material and time.08-12-2010
20100201018FORMING DIE AND METHOD FOR MANUFACTURING FORMED BODY USING FORMING DIE - In the assembly-completed state, the Lower Mold, the Outer Mold, the Upper Mold, and the “inner mold (the integral body of the Pin-holder and the Pin)” are stacked and fixed in this order from the bottom, and the Pin is coaxially inserted into the First Hole of the Outer Mold and the Second Hole of the Upper Mold. In the assembly-completed state, the molding space for molding the ceramic molded body is formed between the surface of the Pin and the First Hole, and the annular minute gap is formed between the surface of the Pin and the Second Hole. The ceramic slurry poured into the Slurry Reservoir Pres formed on the upper surface of the Upper Mold falls and flows into the molding space through the annular minute gap by virtue of the action of gravity or the like.08-12-2010
20100201017METHOD AND APPARATUS FOR PRODUCING A MOLDED ARTICLE WITH A LAMINATED STRUCTURE - A method for manufacturing a plastic laminated article comprising a surface layer of a sheet-like surface member and a synthetic resin backing material layer laminated on the surface layer, without causing a fracture or a reduction in wall thickness of the sheet-like surface member. When the male mold is pressed against the contact area of the sheet-like surface member, the temperature of the contact area of the sheet-like surface member gradually falls due to a thermal gradient between the male mold and the contact area of the sheet-like surface member. Simultaneously, the contact area of the sheet-like surface member is not heated directly. In addition, the direction of jet flow of a hot fluid is changed, by fluid guide surfaces, from the center of the sheet-like surface member to the outer periphery, of the sheet-like surface member. When the temperature of the contact area of the sheet-like surface member falls to a predetermined temperature and the tensile strength of the contact area increases to a predetermined value, the male mold is moved downwardly at a predetermined rate and closed against the female mold.08-12-2010
20100270699INJECTION MOLD AND METHOD FOR MAKING A HOUSING USING THE INJECTION MOLD - An injection mold includes a female mold and a male mold corresponding to the female mold. The female mold includes a first joining surface, a concave cavity, a receiving slot, and a angled portion. The concave cavity is defined in the first joining surface. The receiving slot is defined in the first joining surface surrounding the concave cavity. The angled portion is formed at a tip of a joint of the receiving slot and the concave cavity. The male mold includes a second joining surface, and a stationary cutting portion is directly fixed on the second joining surface. The cutting portion interdigitates with the angled portion when the injection mold is closed.10-28-2010
20110266709APPARATUS AND METHOD OF FABRICATING FLAT PANEL DISPLAY DEVICE - Disclosed are an apparatus and method for fabricating a flat panel display device to realize easy separation of a substrate from an imprinting mold. The apparatus includes an imprinting mold connected to a substrate to form a thin film pattern on the substrate, a first adsorption pad to vacuum-adsorb the center of the imprinting mold, a second adsorption pad to vacuum-adsorb the periphery of the imprinting mold, and a connector connected to vacuum pins to vertically move in different regions of the first and second adsorption pads.11-03-2011
20090127732METHOD OF COMPRESSION-MOLDING ELECTRONIC COMPONENTS AND MOLD - An upper mold section and a lower mold section are closed with prescribed mold clamping pressure, for dipping sets of electronic components mounted on a substrate into a resin material melted in cavities. A pressurizing/driving portion pressurizes/drives a pressurizing member toward upper mold section with prescribed pressurizing/driving force, so that this pressurizing/driving force is transmitted to cavity side surface members through a first elastic member and a second elastic member and forward end surfaces of cavity side surface members come into contact with a surface of substrate. The pressurizing/driving force is transmitted to second elastic member, so that this pressurizing/driving force is uniformly transmitted to the respective ones of cavity bottom surface members and resin material heated and melted in respective cavities can be uniformly pressed.05-21-2009
20090321978PROCESS FOR MANUFACTURING A PANEL MADE OF A THERMOPLASTIC COMPOSITE - A method of manufacturing a panel made of a composite material using a tool having a support on which a lay-up is performed, the lay-up producing a stack of plies of fiber prepregs, followed by consolidating the stack aiming to obtain the panel using a compacting plate arranged above the stack. The method is implemented such that a first set of polyimide films partially covering each other is located in contact with the stack of plies, between the latter and the compacting plate.12-31-2009
20090051068Method for Producing Molded Bodies from Proteins - The invention relates to a method for producing molded bodies from proteins by ionic liquids, in particular in 1,3-dialkyl-imidazolium-acetates or 1,3-dialkyl-imidazolium-chloride as solvents in which the protein is dissolved, the solution is formed into fibers and foils, or membranes, respectively, the protein is regenerated by precipitation in protide solutions, the solvent is separated by washing and the molded bodies are tried. Furthermore the invention relates to molded bodies produced by said method.02-26-2009
20090065963METHOD AND APPARATUS FOR TENSIONING COMPOSITE MATERIAL - An apparatus and method for tensioning material (03-12-2009
20090184437Resin transfer molding device and resin transfer molding method - The present invention relates to an RTM molding device designed to mold a FRP molded body by injecting a resin composition into a mold and by impregnating the molded body therewith. The resin composition is a CCP. A CCP accommodating layer is disposed adjacent to the 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 into the exterior. A means for separating the molded body is disposed between the body and the layer.07-23-2009
20090051067RTM Molding Method - Provided is an RTM molding method enabling to yield an FRP molded body formed so as to be increased in the fiber volume content and to thereby be made more excellent in strength and lightweightness. The resin composition is a chain-curing resin composition, and after the initiation of the curing of the resin composition, the highest temperature at the curing head of the resin composition, undergoing chain curing, within 10 seconds after the initiation of the curing is increased to be higher by 50° C. or more than the temperature of the resin composition at after the impregnation and before the curing, and thus, the resin composition is chain-cured with a Vf of 41% or more.02-26-2009
20100193987FABRICATION METHOD OF MULTI-FUNCTIONAL COMPOSITES FROM PRE/POST-CONSUMER CARPET - A method of fabricating a composite panel is disclosed. The method includes cutting a portion of carpet, applying vacuum to the carpet portion, transferring resin into the carpet portion under vacuum, and curing the resin impregnated carpet portion.08-05-2010
20100276828Resin Infusion Mold Tool System And Vacuum Assisted Resin Transfer Molding With Subsequent Pressure Bleed - A resin infusion mold tool system for use in a vacuum assisted resin transfer molding process with a subsequent pressure bleed step. The mold tool system includes a mold assembly having an outer mold line tool connected to resin supply lines and supplying resin to the preform. A plurality of inner mold line tools form a hard interface with the inner mold line of the fiber preform and are held to within tight tolerances by an external locating fixture. Excess resin is drawn out of the fiber preform using a vacuum bag connected to vacuum lines and disposed over the inner mold line tools but not between the tools and the fiber preform. The mold assembly is placed in an autoclave, the resin supply lines are detached and the autoclave pressurized to bleed additional resin out of the preform to raise the fiber volume of the composite structure.11-04-2010
20090200694EXTRUSION DIE VACUUM SEALS AND METHODS - An extrusion die configured to have an interior chamber sealed from the atmosphere is disclosed. The extrusion die includes an extrusion die head disposed at a downstream end of the interior chamber; and a vacuum seal disposed at an upstream end of the interior chamber; wherein the vacuum seal is configured to selectively form a seal between the extrusion die and a product disposed in the interior chamber. The vacuum seal includes an annular sealing surface disposed at an inner diameter of the vacuum seal; a hollow, interior chamber; and a plurality of bellows disposed between the annular sealing surface and the extrusion die; wherein the vacuum seal is configured to selectively form a seal between the extrusion die and a product disposed in the interior chamber. A method of selectively sealing an end of an extrusion die is also disclosed.08-13-2009
20090321977METHOD FOR ENCAPSULATING THE EDGE OF A GLASS SHEET - A method of providing the periphery of a glazing with a gasket by moulding using a mould having at least one moulding surface is disclosed. The method comprises forming the gasket from polyurethane precursors by contacting the glazing with the precursors and allowing the precursors to polymerise and harden. The moulding surface is provided with a releasable coating in an aqueous solution. The coating bonds with the polyurethane during polymerisation such that it is incorporated into the gasket, and prevents the polyurethane from coming into contact with the moulding surface to which it has been applied.12-31-2009
20090039539VACUUM FORMING APPARATUS AND VACUUM FORMING METHOD - A vacuum forming apparatus has a forming die, a plurality of holding devices, a pressing device and a pair of supplemental holding devices. The forming die has at least one suction hole for creating a vacuum. The holding devices hold a resin sheet that has been softened by heating. The pressing device moves relative to the forming die to close a space therebetween and form an airtight state therebetween. Each of the supplemental holding devices includes a clamp member and a support member. The supplemental holding devices are movably arranged to move toward each other. The clamp members clamp the resin sheet on two sides of a selected sag area where the resin sheet will be made to sag. The support members extend along two side portions of the selected sag area for supporting a bottom surface of the resin sheet where the resin sheet will be made to sag.02-12-2009
20090115089METHOD FOR PRODUCING RESIN STRUCTURE - A macrocell structure 05-07-2009
20090115088Process for Producing a Substantially Shell-Shaped Component - Disclosed is a process for producing a substantially shell-shaped component, from substantially carbon-fiber-reinforced synthetic material having at least one local reinforcing zone and at least one stiffening element, in particular a fuselage shell, a wing shell, a vertical stabilizer shell or horizontal stabilizer shell of an aircraft or the like. The process according to the invention comprises the following steps: 05-07-2009
20110031641METHOD OF MANUFACTURING LIQUID EJECTING HEAD - There is provided a method of manufacturing a liquid ejecting head which includes a head main body having nozzles ejecting a liquid supplied via a liquid supply passage, a first supply member having a first liquid supply passage forming a part of the liquid supply passage, a second supply member disposed on a downstream side of the first supply member and having a second liquid supply passage communicating with the first liquid supply passage and forming a part of the liquid supply passage, a filter disposed between the first and second supply members so as to cross the liquid supply passage, and an integrally molded member fixing the first and second supply members by a resin in a state where the filter is nipped between the first and second supply members. The method includes: forming a supporting protrusion protruding toward the filter and supporting the filter on an inner wall surface of at least one of the first and second supply members; and forming the integrally molded member in the state where the filter is nipped between the first and second supply members and a pressure difference is caused between the first and second supply members on both sides of the filter so that a pressure is lower on the side of the supporting protrusion.02-10-2011
20110127689APPARATUS FOR MANUFACTURING ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT - An apparatus for manufacturing an electronic component includes: upper and lower metal molds, at least one of which being formed as a porous member on which an electronic component is mounted, including an internal space for accommodating the electronic component therein; a release film providing unit providing a release film to the internal space of the upper and lower metal molds; and a molding resin providing unit providing a molding resin to the internal space to allow the electronic component to be injection-molded.06-02-2011
20090051069RAPID RECONFIGURABLE FUSELAGE MANDREL - A system and method for making and using a reconfigurable composite part mandrel operable in the manufacture of composite parts. The system may comprise an assembly fixture, a generic mandrel, a reconfigurable simulated skin, a reconfigurable frame portion, and state-changing material operable to harden into a desired configuration for forming a particular composite part. The method of forming and using the reconfigurable composite part mandrel may comprise: inserting the simulated skin within the assembly fixture, inserting or assembling the frame portion within the assembly fixture; inserting the generic mandrel into the assembly fixture; filling a cavity between the generic mandrel and the assembly fixture with the state-changing mixture to encapsulate the frame portion; hardening the state-changing mixture; and removing the assembly fixture and the simulated skin.02-26-2009
20090032990Extrusion Method and Extrusion Apparatus - An extrusion apparatus is used for extruding material through a nozzle (02-05-2009
20110210464Mould and method for vacuum assisted resin transfer moulding - A mould and method for vacuum assisted resin transfer moulding of a fibre reinforced laminated structure are provided. The mould includes a first mould part and a second mould part. The first mould part defines a negative impression of the laminated structure, being structurally stable and forming a support for fibre reinforcement layers of the laminated structure. The second mould part connectable to the first mould part for closing the mould and defines together with the first mould part an enclosed space which can be evacuated. The mould further includes a flow duct for guiding a liquid polymer which is formed as a recess in the first mould part and/or a recess in the second mould part that is open towards the enclosed space and extends along a section of the periphery of the first mould part and/or the second mould part.09-01-2011
20090218716METHOD AND APPARATUS FOR FORMING HOLLOW MOLDINGS HAVING THIN FILM ON INNER SURFACE - The method employs a stationary mold having depositing recesses equipped in its inside with a deposition element such as a target electrode, and movable molds made slidable. A primary molding is performed to form a body portion and a cover member to have joint portions around their opening. The body portion left in the vertically sliding mold is deposited after it was densely covered with the depositing recesses. Next, the deposited body portion and the cover member, as left in the molds, are registered and mold clamped, and the molten metal is injected to integrated the joint portions.09-03-2009
20090218714APPARATUS - The invention relates to apparatus for filling a cavity during production of a pharmaceutical dosage form. The apparatus comprises a cavity open at an upper surface and closed at a lower surface. The lower surface is defined by an initial layer of powder. A powder source and a fluid pump are also provided. The fluid pump is arranged to draw gas away from the cavity such that the gas pressure within the cavity is reduced below the ambient gas pressure before the cavity is filled to a predetermined fill level with powder from the powder source.09-03-2009
20090218713VACUUM HEAT-SET OF NET SHAPE LATEX VACUUM BAGS - A net shaped latex vacuum bag as used in the fabrication of composite structural parts having complex shapes. Liquid latex is first allowed to air dry in the form of a thin flat, flexible sheet. The latex sheet is then vacuum formed over a tool having the complex shape of the part to be fabricated and assumes the shape and configuration of the tool's outer surface. The latex sheet is then rapidly cured at an elevated temperature, so as to permanently assume the part's shape for subsequent use in forming composite structural parts of the same complex shape. In one embodiment, the latex sheet may be formed on the tool by dipping the tool in liquid latex, allowing the latex coating to dry, and cutting the dry latex coating to permit separation of the tool from the latex coating which is then used in composite part fabrication.09-03-2009
20100072652IMPRINT LITHOGRAPHY SYSTEM AND METHOD - System, method and process for imprinting a substrate using controlled deformation of a substrate and/or a template. The substrate and/or template may be positioned in single wave formation or double wave formation during an imprint lithography process.03-25-2010
20100123264Method of Manufacturing a Multiple Layer Directionally Oriented Nonwoven Fiber Material - Disclosed herein are embodiments of a multi-layer nonwoven fiber material, and related methods of manufacturing the material. In one exemplary embodiment, the fiber material includes a first layer of directionally aligned fibers together with a second layer of randomly dispersed fibers dispersed over the first layer. Consistent with one exemplary method for manufacturing a nonwoven fiber material, the method includes dispersing a first plurality of fibers horizontally in one or more predetermined directions, as well as dispersing a second plurality of fibers horizontally in random directions. In such an embodiment, the second plurality of fibers is dispersed over the first plurality of fibers. Moreover, an exemplary embodiment of a roofing shingle employing a nonwoven fiber material as described herein is as disclosed.05-20-2010
20110254188Composite moulding systems - A method of producing composite mouldings in which a seal (10-20-2011
20110037190Method to manufacture at least a component of a blade of a wind-turbine - A method, machine and blade of a wind-turbine are disclosed. At least a component of a blade includes at least one layer of a composite structure. The layer is built up by a number of unconnected single roving-bundles, which are aligned unidirectional and which shows a common direction. The roving-bundles are laid down automatically into a fanning tool.02-17-2011
20110254189HEATED MOULD FOR MOULDING POLYMERIC COMPOSITES - A method of making a mould for moulding polymeric composites comprises embedding at least one layer 10-20-2011
20090096122Production process for insert decorated molding - Provided is a production process for an insert decorated molding provided with two or more kinds of pictures, in which a color of a resin is not seen from a boundary part between pictures and which has a high design property.04-16-2009
20110163473COMPARTMENTALIZED PELLET FOR IMPROVED CONTAMINANT REMOVAL - This invention is to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.07-07-2011
20110163474DIVINYLARENE DIOXIDE FORMULATIONS FOR VACUUM RESIN INFUSION MOLDING - A resin formulation for use in a vacuum resin infusion molding process, said formulation comprising (a) a divinylarene dioxide, and (b) a polyaminoether; wherein the polyaminoether does not have pendent hydroxyl groups; and wherein the resin formulation may have a low viscosity of less than about 400 mPa-s.07-07-2011
20100283173METHOD AND APPARATUS FOR EXTRUSION OF THERMOPLASTIC HANDRAIL - A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables.11-11-2010
20110042844METHOD AND APPARATUS FOR FORMING A BATT OF PARTICULATE MATERIAL FOR USE AS A COMPONENT IN AN ABSORBENT CORE ASSEMBLY - A method and apparatus for forming a batt of particulate material which may be used in an absorbent article. The apparatus may include a vacuum zone, an air impermeable fence zone adjacent to the vacuum zone, and an air permeable fence zone adjacent to the vacuum zone. The air permeable fence zone may comprise an ambient air entry conduit in communication with an ambient air exit port. The method may include providing a laydown drum and a first web of material, positioning the first web of material substantially adjacent to the laydown drum, generating a vacuum through the laydown drum, depositing particulate matter onto the first web of material, and rotating the laydown drum.02-24-2011
20110147976MELTBLOWN FILTER MEDIUM - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.06-23-2011
20100025878IMPRINTING METHOD AND APPARATUS THEREFOR - An imprinting method forms a pattern in a resist surface of a substrate coated with a thermoplastic resist by using a mold having a pattern of projections and recesses formed in a transfer surface. The method includes an alignment step, a heating step, a press step, a cooling step, and release step, wherein the steps are performed in a plurality of units selected from independent units, composite units, and combinations of independent units and composite units. A mold and a substrate are paired with each other and conveyed between the units. An imprinting apparatus includes a plurality of units which perform the steps in the imprinting method and which are selected from independent units, composite units, and combinations of independent units and composite units. Conveying devices are provided which convey the mold and the substrate paired with each other between the plurality of units.02-04-2010
20090174104METHOD OF MAKING A DUNNAGE PLATFORM - A dunnage platform is in the general shape of a rectangular slab with legs extending form one side. The dunnage platform is made from an expanded polystyrene core. A chemical combination process is used to chemically combine portion of the core proximal to its surface with high impact polystyrene. In a first of two parts of the combination process, the core is placed in a forming mold with one of its two sides and two thirds of its thickness extending therefrom. A heated sheet of high impact polystyrene is brought into contact with the portion of the core extending from the mold. In a similar manner, the other of the two sides of the core is made to extend from the forming mold for contact with a heated sheet of high impact polystyrene.07-09-2009
20080203601Jig and method of manufacturing aircraft frames in a composite material - The present invention relates to a jig for the manufacture, by means of injection and curing processes, of preforms of composite material frames for aircraft fuselages by using the RTM (resin transfer molding) technology. Two preforms are thus manufactured, one with a C shaped section and another with a L shaped section, together with the preforms of the stabilization ribs for stabilizing the web of the frames and the preform of the roving or staple fiber to cover the gap between the C shaped preform and the L shaped preform. Theses preforms are previously manufactured by any known process for manufacturing preforms. According to a second aspect, the present invention relates to a method of manufacturing composite material load frames for aircraft.08-28-2008
20100301512PACKAGING AND DE-PACKAGING METHODS USING SHAPE MEMORY POLYMERS - Packaging and de-packaging methods using shape memory polymers are disclosed herein. An embodiment of the packaging method involves placing a part adjacent to shape memory polymer in its permanent shape, heating the shape memory polymer to a temperature above its switching temperature, and applying a force to the heated shape memory polymer such that the polymer switches from its permanent shape into a temporary shape. The temporary shape of the shape memory polymer conforms to at least one of i) a shape of the part, or ii) a desired shape for packaging the part. The method further includes cooling the shape memory polymer to a temperature below its switching temperature to set the temporary shape.12-02-2010
20080211128Twin-sheet thermoforming process and apparatus for insert inclusion - A twin-sheet thermoforming process and associated apparatus which enables placement of an insert between upper and lower sheets before the sheets are actually heated and formed is described herein. Since the insert is positioned before molding takes place, the insert does not cause the formed panels to rest and cool down before fusing is finally carried out to capture the insert and seal the panels to each other. Panel fusing may therefore be performed at an optimal temperature.09-04-2008
20100295202Fabrication of High Performance Densified Nanocrystalline Bulk Thermoelectric Materials Using High Pressure Sintering Technique - The present invention provides a method for the fabrication of high performance densified nanocrystalline bulk thermoelectric material, comprising: (1) preparing a thermoelectric alloy nanopowders by a ball milling process to achieve an average crystal size of 5-30 nm, and (2) preparing the nanocrystalline bulk thermoelectric material by high pressure sintering at a temperature of 0.25-0.8 T11-25-2010
20100019406METHOD FOR ROTATIONAL MOULDING OF A CYLINDRICAL PRODUCT - A method for rotational moulding of a cylindrical product, preferably a soft PVC plastic fender, comprising a) arranging an open-end (01-28-2010
20110316182METHOD AND MANUFACTURING LINE FOR MANUFACTURING WIND TURBINE BLADES - A method and a manufacturing line (12-29-2011
20120056347MANUFACTURING METHOD AND A MANUFACTURING APPARATUS FOR A COMPOSITE SHEET - A manufacturing method for a composite sheet formed by sandwiching an absorbent body that absorbs liquid between a first sheet and a second sheet is provided. The method includes: conveying the first sheet with abutting a mold member on a surface of the mold member, the first sheet being continuous in a first direction, the mold member including a mold formed on the surface in a depressed shape and moving along the first direction perpendicular to a width direction of the surface; forming the absorbent body using a procedure in which a liquid-absorbent particle falls towards the first sheet abutting the surface and the liquid-absorbent particle is deposited on a corresponding portion of the first sheet to the mold by suction from a suction hole of the mold; and joining the second sheet and the first sheet with placing the second sheet over the first sheet, the first sheet having the absorbent body that is deposited thereon, the second sheet being continuously transported in the first direction. In the forming, a plurality of slope members having a slope is included in an up-and-down direction. A height of an upstream end of the slope and a height of a downstream end of the slope are different in the first direction. While the liquid-absorbent particle successively slides a slope of the plurality of slope members, the liquid-absorbent particle is distributed in the width direction and falls on the first sheet located on the mold member. At least one slope member of the plurality of slope members makes the liquid-absorbent particle reverse its sliding direction and slide, the liquid-absorbent particle falling from a slope member adjacent above the one slope member.03-08-2012
20120007269METHOD OF MANUFACTURING PRE-BENT WIND TURBINE BLADES - In a method of manufacturing a blade shell half of a pre-bent wind turbine blade by means of vacuum-assisted resin transfer moulding (VARTM), a fibre lay-up (01-12-2012
20110049744JIG AND METHOD OF MANUFACTURING AIRCRAFT FRAMES IN A COMPOSITE MATERIAL - The present invention relates to a jig for the manufacture, by means of injection and curing processes, of preforms of composite material frames for aircraft fuselages by using the RTM (resin transfer molding) technology. Two preforms are thus manufactured, one with a C shaped section and another with a L shaped section, together with the preforms of the stabilization ribs for stabilizing the web of the frames and the preform of the roving or staple fiber to cover the gap between the C shaped preform and the L shaped preform. Theses preforms are previously manufactured by any known process for manufacturing preforms. According to a second aspect, the present invention relates to a method of manufacturing composite material load frames for aircraft.03-03-2011
20120112377TOOL AND METHOD FOR THE MANUFACTURE OF COMPOSITE STRUCTURES - A tool comprising a support section, a plurality of tool sections beatable around the core section to define one or more tool surfaces on which structure material is beatable to be moulded to form a composite structure, the support section and enclosure means being sealingly engagable to enclose the tool sections and structure material therebetween, thus allowing air to be withdrawn from between the enclosure means and the support section as part of the cure process of the structure material. Sealing the enclosure means directly against the support section obviates the need for the tool sections to be sealingly interconnected.05-10-2012
20110079933IMD/IMR TRANSFER PATTERN METHOD - An IMD (in-mold decoration)/IMR (in-mold roller or in-mold release) transfer pattern method includes the steps of (a) preparing an in-mold transfer-pattern film, (b) processing the in-mold transfer-pattern film into a predetermined three-dimensional shape fitting the configuration of the desired finished product, (c) inserting the three-dimensional in-mold transfer-pattern film in an injection-molding mold for molding with a plastic material and (d) removing the molded product from the injection-molding mold after the injection-molding mold has been cooled down and then removing the thin film substrate and the release layer of the in-mold transfer-pattern film from the molded product. This method prevents the in-mold transfer-pattern film from wrinkling or cracking during injection-molding so that the finished product has a smooth perfect surface.04-07-2011
20120061871Vacuum Set-Up to Pressurize a Component Part During its Production, and Method for Producing a Component Part - A vacuum set-up to pressurize a component part during its production is provided. The set-up includes a base with a contact surface for component part, and a casing that is airtight to contact surface that can be sealed to cover component part to effect pressurization of component part by evacuating an internal space of casing. To also effect a defined pressurization of component part on at least one component part edge in lateral direction, on at least this component part edge together with component part, a pressure strip system that can be mounted in the interior space is provided that is formed by at least two pressure strips extending along the component part edge and over inclined planes, that work together in such a way that pressure exerted on pressure strip system by the evacuation of the interior space, generates pressure acting laterally on component part edge.03-15-2012
20090134544MOULD MEMBER FOR MOULDING THREE-DIMENSIONAL PRODUCTS, SYSTEM AND METHODS OF MANUFACTURING A MOULD MEMBER - A mould member for moulding three-dimensional products from a mass of one or more food starting materials, which are suitable for consumption, in particular human consumption, comprises a body having a porous structure and a plurality of mould cavities, which mould cavities each have a mould cavity wall defined by the body and an opening in a surface of the body, wherein the body comprises at least one essentially fluid tight barrier.05-28-2009
20090134543Vacuum Film Forming Apparatus and Vacuum Film Forming Method - A vacuum film forming apparatus includes a target chamber in which a target is disposed for performing a vacuum film forming; a first mold at a side of the target chamber; and a second mold that includes a workpiece chamber in which a workpiece is capable of being disposed. The first mold and the second mold are structured such that a film being formed onto the workpiece is capable of being carried out by die matching between the first mold and the second mold, and a shutter device for opening and closing the target chamber is provided to the first mold.05-28-2009
20120119405DEVICE AND METHOD FOR PRODUCING A COMPOSITE COMPONENT - The present invention provides a device for producing a composite fiber component. The device comprises a shaping tool having a shaping surface for shaping a resin-soaked fiber material, a filter panel that is arranged at the shaping surface and comprises a porous material, and a means for generating a negative pressure at the shaping surface at a side of the filter panel that faces away from the fiber material. In another aspect, the invention provides a method for producing a composite fiber component. First, a filter panel comprising a porous material is provided. In subsequent steps, a resin-soaked fiber material is arranged on the filter panel, the fiber material on the filter panel is covered and a negative pressure is generated at a side of the filter panel that faces away from the fiber material.05-17-2012
20120119404Simultaneous Production of Nested, Separable Thermoformed Articles - A multilayer stack of polymeric sheets can be used in thermoforming processes to make objects wherein each sheet has substantially the same shape. The stack includes at least one sheet of a thermoformable polymer, and can include many such sheets. A barrier layer is interposed between at least an overlapping portion at least two of the polymeric sheets in order to prevent fusion of the sheets in the overlapping portion during the thermoforming process. The barrier layer can include an adhesive that adheres the sheets in the overlapping portion. In formed articles including such an adhesive, the sheets can be manually peeled from one another if a suitable adhesive is selected. The stack (and object formed using the stack) can include polymeric sheets that are not thermoformable, but are adhered to the surface of a thermoformable sheet.05-17-2012
20090057942METHOD FOR MANUFACTURING SHEET MOLDED BODY AND INSERT MOLDED BODY - A manufacturing method for a sheet molded body having a desired three dimensional shape and an excellent quality of the design, which has no crease, by uniformly expanding a decorated sheet prior to molding, and closely contacting the decorate sheet to the surface of a male die. In the manufacturing method, the pressure at the front side of the decorated sheet is lowered relative to that at the back side. An arm means is then moved towards the decorated sheet from the back side of the decorated sheet so that the decorated sheet is inverted by increasing the pressure at the front side relative to that at the back side. The decorated sheet is then three dimensionally formed along the surface of the male die by, while pressing the male die from the back side and moving the arm means backwards, increasing the pressure at the front side.03-05-2009
20100032858METHOD OF MAKING AN ABSORBENT CORE HAVING A PLURALITY OF FIRST REGIONS AND A SECOND REGION SURROUNDING EACH OF THE FIRST REGIONS - The present invention relates to an absorbent article including a absorbent core having a plurality of first regions and a second region, each one of said first regions being arranged in spaced relationship from each of the other first regions and each of the first regions being entirely surrounded by the second region. The present invention also relates to a method of making such a core structure.02-11-2010
20100270698Tooling system for thermoforming and trimming a heated sheet of material to form a molded part - An upper press platen supports an upper mold member slidable vertically within a surrounding upper trim frame. A lower press platen supports a lower trim frame surrounding a lower mold member slidable vertically within the lower trim frame. The lower mold member defines a cavity connected to a vacuum source, and one or two heated sheets of material are positioned between the trim frames and mold members which are then closed to clamp peripheral portions of the sheets between the trim frames. The lower heated sheet is vacuum formed into the cavity and the sheets are fused together with heat and pressure to form a part which is then cooled. The mold members shift downwardly as a unit within the trim frames to shear the peripheral portions of the sheets from the part. The trimmed part and peripheral portions are removed after the trim frames and mold members open.10-28-2010
20120261853VACCUM FORMING REGULATOR BAG - A vacuum-forming system for deforming a forming blank is disclosed. The system includes a tool and at least one regulator bag disposed adjacent to the tool. The regulator bag includes a sealed bag having an exterior and an interior and a first volume and a defined passage from the interior to the exterior of the regulator bag. The passage is configured such that the regulator bag has a rate of deflation wherein the sealed bag will deflate from the first volume to a second volume over a determined period of time while the exterior of the sealed bag is at a determined reduced pressure. The system also includes a vacuum membrane coupled to the tool, the membrane configured to form a vacuum space enclosing the forming blank and the at least one regulator bag.10-18-2012
20120261854BUNDLE OF ROVING YARNS, METHOD OF MANUFACTURING A BUNDLE OF ROVING YARNS AND METHOD FOR MANUFACTURING A WORK PIECE - A method of manufacturing a bundle of roving yarns is described. The method is characterised in assembling a number of roving yarns of longitudinal unidirectional fibres and an additional component in a bundle. For example, at least one resin distribution means or a thermoplastic material may be placed as the additional component in the bundle.10-18-2012
20120319318Cooling And Pelletizing Process For Semi-Crystalline Polymers - Methods and systems for pelletizing low molecular weight semi-crystalline polymers are provided herein. Polymer compositions comprising the semi-crystalline polymer and a solvent are provided to a devolatilizing device, where the solvent is at least partially evaporated under vacuum conditions, resulting in removal of heat from the polymer by evaporative cooling and crystallization of the polymer. Once the polymer has reached the desired temperature, the polymer exits the devolatilizer and is pelletized. Semi-crystalline polymers that may be used in the present invention include propylene-based copolymers, such as propylene-ethylene and propylene-hexene copolymers having a heat of fusion, Hf, from about 5 to about 75 J/g and a weight average molecular weight, Mw, from about 10,000 to about 200,000 g/mol.12-20-2012
20110227244MOLDED FIBER LID FOR A CONTAINER - A container lid formed of cellulose material is provided for mating with a base container to securely hold various items, such as food items. The container lid includes a body having a main portion and a perimeter, and a skirt extending substantially around the perimeter of the body. The skirt includes a shoulder and an intermediate member connected with the shoulder. The intermediate member extends inwardly towards the base container when mating therewith. The intermediate member and skirt cooperatively form a channel or undercut for receiving the base container so that the base container and lid may be interlocked together.09-22-2011
20120286446ADJUSTABLE THERMAL FORMING DIE ASSEMBLY - An adjustable thermal die assembly is provided. The thermal die assembly includes a thermal forming die and at least one insert. The thermal forming die has at least one die cavity of a select shape. The die further has at least one opening to the at least one die cavity. The at least one insert has at least one internal passage that is conformed to have a shape of the at least one opening to the at least one die cavity of the die. Moreover, the at least one insert is configured and arranged to be selectively coupled to the die with the at least one internal passage of the at least one insert aligning with the at least one opening of the at least one die cavity to selectively increase a depth of a forming cavity of the thermal forming assembly.11-15-2012
20110272841PLASTICITY PLASTIC FILM AND METHOD FOR APPLYING PLASTICITY PLASTIC FILM TO IN-MOLD DECORATION - A method for applying a plasticity plastic film to an in-mold decoration, including the steps of: (a) providing a substrate defining a top surface and a bottom surface, printing layer and a plastic material; wherein the plasticity plastic film comprises a photo-curing multiple functional group oligomer, a thermohardening resin and a cross-linking agent, and the photo-curing multiple functional group oligomer is cross-linked with the thermohardening resin through the cross-linking agent; (b) forming the plasticity plastic film on the top surface of the substrate; (c) hardening the plasticity plastic film; (d) solidifying the plasticity plastic film to form a plasticity resin layer; (e) covering the bottom surface of the substrate with the printing layer; (f) simultaneously pressing the plasticity resin layer and the substrate to form a predetermined shape; and then (g) forming the plastic material on a bottom surface of the printing layer.11-10-2011
20100276829High Aspect Ratio Microstructures and Method for Fabricating High Aspect Ratio Microstructures From Powder Composites - Methods to fabricate high aspect ratio powder composite microstructures is provided by filling a molding composition containing a powdered material and a binder into a patterned mold, and releasing the cured composite microstructures from the mold. An alternate method is by filling a mix of powdered dense metals and low-melt alloys into a patterned mold, and releasing the melted and solidified composite microstructures from the mold. The mold is derived from lithographically defined parent mold. One example of the application is in the field of x-ray anti-scatter grids and nuclear collimators.11-04-2010
20080237909Mould for Preparing Large Structures, Methods of Preparing Mould and Use of Mould10-02-2008
20120273985De-Mold Liner Based Injection Tool - A mold apparatus comprising a release liner removably securable to a mold tool face by a liner vacuum system configured to hold the release liner in place against the tool face, the liner vacuum system comprising at least one liner vacuum port extending and providing fluid communication between the mold face and a vacuum source. The liner vacuum system is actuable to hold the release liner in place against the tool face in advance of and during material injection and during curing and may be further actuable to subsequently release the tool from the liner, leaving the release liner to be peeled from the cured material.11-01-2012
20120056348MOULDING DEVICE AND PRODUCTION PROCESS - A production process includes introducing the material to be moulded into a mould, placing the mould in an envelope comprising a vacuum port; creating a low pressure in the envelope by formation of a gas flow through the vacuum port; deforming the mould; stopping the gas flow; and applying pressure on at least a portion of the mould, optionally with interposition of the envelope, at least after the gas flow is stopped.03-08-2012
20090072428VACUUM ISOSTATIC MICRO MOLDING OF MICRO/NANO STRUCTURES AND MICRO TRANSFER METAL FILMS INTO PTFE AND PTFE COMPOUNDS - A process for the manufacture of micro or nanostructure surfaces or parts formed of PTFE by applying a vacuum to powered or granulated PTFE in a heated compression mold, applying a compression anvil within the metallic mold, removing the mold from the heating bath and quenching the mold to maintain pressure in the mold during a part of the quench. A mold or mold insert may be manufactured from sintered metal, a sintered ceramic of sintered stainless steel to allow the vacuum to be applied across a surface holding the micro or nanostructures.03-19-2009
20130207292Fiber Mold Filling System and Method - A fiber filling box divided into compartments by slotted divider walls, preferably comb-like divider fences with vertical tines extending downwardly from a top frame, is lowered onto an air-permeable conveyor over at least one vacuum box in a fiber filling station. A multi-axis controlled nozzle blows fiber material to different depths and/or densities in the individual compartments. The divider fences allow continuous intertwining of fibers between adjacent compartments, but sufficiently contain the fibers to maintain well-defined boundaries between different fiber depths and/or densities in the individual compartments. Hold-down plates are lowered onto the fiber material, the fiber filling box is lifted away, and then the hold-down plates are lifted to release a shaped fiber mass, which is then heated and compacted in a heating station to form a fiber preform. The hot fiber preform is then molded, compressed and cooled in a molding station to produce a molded fiber component.08-15-2013
20130207293METHODS OF RTM MOLDING - A method of RTM molding including laminating a plurality of reinforcing fiber materials in a mold to form a reinforcing fiber material laminate, and impregnating a resin into said reinforcing fiber material laminate by injecting a resin in a direction from an end surface of said reinforcing fiber material laminate along a laminate surface while reducing pressure in said mold by evacuation.08-15-2013

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