To Degas Or Prevent Gas Entrapment Patents (Class 264/102)
  • Patent number: 7749423
    Abstract: A method of producing an orthotic brace or prosthetic device comprising the steps of creating an anatomical mold or cast of that portion of the patient's anatomy upon which the orthotic brace or prosthetic device is to be applied, applying at least one layer of epoxy resin over at least a portion of the anatomical mold, applying at least one layer of carbon graphite fabric on at least a portion of the layer of epoxy resin, placing the anatomical mold with the epoxy resin and carbon graphite fabric in an enclosure having an interior, heating the interior of the enclosure to melt the epoxy resin and reducing the pressure in the interior of the enclosure causing the melted epoxy resin to impregnate the carbon graphite fabric, and allowing the melted epoxy resin to harden in the carbon graphite fabric forming the orthotic brace or prosthetic device.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: July 6, 2010
    Inventor: Wade Bader
  • Patent number: 7727433
    Abstract: A hearing device including a foam, a foam insertable portion, a component, and a foam handle portion, and a method of forming the same. The component is nestable with and bondable with the foam such that the component is at least partially within the foam insertable portion and the foam handle portion. The hearing protective device includes earplugs attached to a flexible cord, under-the-chin element, or headband. A method of making a hearing protective device including disposing a component into a mold, introducing a foam or foamable mixture into the mold, causing the foam to rise such that the component is nested within and bonded with the foam.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: June 1, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Richard Knauer, Alan R. Seville, Robert N. Falco, James Hall, Lori S. Hall, legal representative
  • Patent number: 7727435
    Abstract: The present invention relates to an engineered stone composite produced from a mineral aggregate, a synthetic resin and a binder using compression and vibration to obtain a high strength mineral composite with a high mineral content and a method for its preparation.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: June 1, 2010
    Assignee: SAFAS Corporation
    Inventors: Akbar Ghahary, Yifang Zhao
  • Patent number: 7727448
    Abstract: A fiber structure for forming the reinforcement of a part to be made is placed in a mold (22) having at least one wall formed by a flexible membrane, and then a resin composition is injected into the mold, the composition having a volatile material content of less than 25% by weight and being at a temperature of a value such that its viscosity lies in the range 0.1 Pa·s to 0.3 Pa·s. The resin is polymerized in the mold placed in an enclosure (20) with temperature being raised progressively and with polymerization including at least a final stage of polymerization under pressure in order to obtain a composite material part presenting residual porosity of less than 11% by volume.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: June 1, 2010
    Assignee: SNECMA Propulsion Solide
    Inventors: Brigitte Boutefeu, Martine Dauchier, Marie-Laure Fages, Jean-Pierre Cauchois
  • Patent number: 7722789
    Abstract: A defoaming method for removing air bubbles from a curable resin material and a contact portion of the resin material with an irregular structure of a flat metallic mold. The mold includes a fine structural region having a fine irregular structure and a flat region in the periphery of the fine structural region. The curable resin material is applied to the irregular structure of the fine structural region, filling the irregular structure with the resin material.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: May 25, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Toru Aoki, Hiroshi Kikuchi, Akira Yoda
  • Patent number: 7700018
    Abstract: A process for extruding a thin positive electrode sheet having at least 40%/wt of solid content for a lithium polymer battery through a single or twin screw extruder is disclosed as well as a positive electrode sheet produced therefrom. A mixture of active cathodic intercalation material, lithium salt and electronic conductive material is mixed with a polymer of the polyether family in a ratio of at least 40% of total weight into the mixing chamber of an extrusion machine and extruded through a classical sheet die into a thin cathode sheet or film onto a substrate in sheet form.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: April 20, 2010
    Assignee: Bathium Canada Inc.
    Inventors: Paul-André Lavoie, Richard Laliberté, Simon Besner, Yvon Gagnon, Martin Simoneau, Alain Vallée
  • Publication number: 20100088991
    Abstract: A method of producing a substantially parallelepiped vacuum panel which has, in an outwardly gas-tight manner in a sleeve or envelope, a filling made of granular or powdered degassed support elements, preferably silica particles, the interior of the sleeve being evacuated and the support elements being moved closely together and being enclosed by the sleeve, the sleeve comprising an encapsulation by injection-molding or overmolding of a plastic material. For forming two sides of the sleeve remote from one another, metal plates are provided, between which the support elements are arranged. The peripheral rims of the metal plates are positively and non-positively embedded by the encapsulation by injection-molding and/or overmolding. Additionally, a permeation barrier layer may be provided on at least the encapsulation by injection-molding and/or overmolding. Moreover, getter materials may be provided between the support elements.
    Type: Application
    Filed: December 10, 2007
    Publication date: April 15, 2010
    Applicant: Woschko Winlite GmbH
    Inventors: Manfred Woschko, Donat Woschko
  • Patent number: 7695657
    Abstract: With regard to the technology of compaction by means of vacuum vibrocompression for manufacturing slabs of composite stone, the binder consists of a dispersion of colloidal silica in water and the rough-formed article resulting from the vibrocompression step, undergoes a drying step in order to remove the water present in the vibrocompacted slab. Subsequently the pores of the slab are filled with methyl methacrylate and hardening of the resin is performed by means of heating in hot water.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: April 13, 2010
    Inventor: Luca Toncelli
  • Patent number: 7691313
    Abstract: The present invention is directed towards a method and a system of expelling a gas positioned between a substrate and a mold, the substrate and the mold further having a liquid positioned therebetween.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: April 6, 2010
    Assignee: Molecular Imprints, Inc.
    Inventors: Byung-Jin Choi, Sidlgata V. Sreenivasan, Ian M. McMackin, Pankaj B. Lad
  • Patent number: 7691298
    Abstract: A method disclosed for producing polymer-based cantilevers for use in atomic force microscopy in a batch process. The method includes forming a mold in a mold material, for example PDMS, using a master cantilever, removing the master cantilever from the mold material to reveal a mold cavity, filling the mold cavity with plastic, for example polystyrene, to form a plastic cantilever in the mold, and removing the plastic cantilever from the mold, for example using adhesive tape or flexing the mold. At least one surface of the plastic cantilever can be coated with a reflective metal, such as gold. The plastic cantilever can be functionalized for use in magnetic force microscopy by attaching a probe tip formed of magnetic metal, for example a 10 ?m nickel sphere.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: April 6, 2010
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Daniel W. van der Weide, Charles A. Paulson, Andrew G. Stevens
  • Patent number: 7682478
    Abstract: A vacuum infusion laminate adhesive that holds the laminate layers together as the catalyzed resin is sucked into a laminate structure. The adhesive includes properties that cross-link with polyester present in the laminate structure as it cures. Generally, the laminate layers include the assembly of polyester or vinyl ester resins that are reinforced with fiberglass.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: March 23, 2010
    Assignee: Westech Aerosol Corp.
    Inventors: Jim Manlove, David Carnahan
  • Patent number: 7674402
    Abstract: An electroconductive resin composition, comprising at least: a multi-component polymer-type resin binder (A) comprising a dispersed phase and a continuous phase, and having a number-average particle size of dispersed phase of 0.001-2 ?m, and an electroconductive material (B) in the form of powder and/or fiber. The electroconductive resin composition may preferably be used for a fuel cell separator.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: March 9, 2010
    Assignee: Showa Denko K.K.
    Inventors: Tadashi Iino, Zenichiro Izumi
  • Patent number: 7641840
    Abstract: The present invention is directed towards a method of expelling a gas positioned between a substrate and a mold, the substrate and the mold further having a liquid positioned therebetween.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: January 5, 2010
    Assignee: Molecular Imprints, Inc.
    Inventors: Byung-Jin Choi, Mahadevan GanapathiSubramanian, Yeong-jun Choi, Mario J. Meissl
  • Patent number: 7624780
    Abstract: The inventive laminator for laminating structural components, in particular solar module cells or laminated glass panes by combining pressing force and heat, wherein said laminator comprises at least one laminating chamber for receiving one or several structural components, which is provided with a support for said structural components, a heating unit and with a flexible compression membrane which is sealingly stretched in the chamber above the structural element support and is movable with respect thereto. Said membrane separates a lower part of the chamber from a top part thereof, thereby enabling each part to be void of air and aerated. The inventive laminator is characterised in that the copression membrane is embodied in the form of a multiple membrane consisting of a plurality of superimposed membranes.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: December 1, 2009
    Assignee: Meier Solar Solutions GmbH
    Inventor: Hans-Gerd Stevens
  • Publication number: 20090224419
    Abstract: Apparatus and methods are disclosed for portioning and dispensing a frozen product. The apparatus may comprise a storage container for the frozen product and, in some embodiments, multiple storage containers for storing a plurality of different frozen products. A portion of the frozen product in the storage container may be transferred to a portioning container by movement means, such as a belt drive. The portion may be separated from the rest of the frozen product as a first forming block in the portioning container approximates to a second forming block in the portioning container. The frozen product in the portioning container may be pressed between a first and second forming block as the first and second forming blocks are approximated, to thereby form a substantially spherical dispensable frozen product portion. The second forming block may separate to allow the formed frozen product to be dispensed from the apparatus.
    Type: Application
    Filed: March 10, 2009
    Publication date: September 10, 2009
    Inventor: David B. Anderson
  • Patent number: 7585439
    Abstract: A solid state foaming process permits the use of up to 100% recycled pre- and post-consumer polymer for the manufacture of foamed polymer material and thermoformed foamed polymer articles. The process enables the optional formation of integral unfoamed skins of controllable depth and crystallinity on foamed polymeric materials suitable for a wide variety of applications. Because this process does not alter the underlying chemistry of the material all scrap from the manufacturing process may be reused without additive to form new foamed polymeric materials and articles.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: September 8, 2009
    Assignee: Micro Green Polymers, Inc.
    Inventors: Gregory L. Branch, Trevor Wardle
  • Publication number: 20090165227
    Abstract: A scraper pig for cleaning tubes and pipelines comprising a flexible core provided with a casing in which scraper studs are embedded in a manner whereby they protrude sufficiently to perform a cleaning action when they are propelled through the tube. A method for the manufacture of the pig and the design of the stud is also provided.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 2, 2009
    Applicant: Cokebusters Ltd.
    Inventor: John Phipps
  • Publication number: 20090140448
    Abstract: A defoaming method for removing air bubbles from a curable resin material and a contact portion of the resin material with an irregular structure of a flat metallic mold. The mold includes a fine structural region having a fine irregular structure and a flat region in the periphery of the fine structural region. The curable resin material is applied to the irregular structure of the fine structural region, filling the irregular structure with the resin material.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Inventors: Toru Aoki, Hiroshi Kikuchi, Akira Yoda
  • Patent number: 7531025
    Abstract: The present invention is directed toward a method of controlling a turbulent flow of a fluid between a substrate and a template, and more specifically, controlling a turbulent flow of a fluid between droplets disposed on a substrate and a template. To that end, the method further comprises the ingression and egression of the fluid through a first and second aperture, and in a further embodiment, a plurality of apertures, to create such a turbulent flow of the fluid.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: May 12, 2009
    Assignees: Molecular Imprints, Inc., Board of Regents, University of Texas System
    Inventors: Ian M. McMackin, Nicholas A. Stacey, Daniel A. Babbs, Duane J. Voth, Mathew P. C. Watts, Van N. Truskett, Frank Y. Xu, Ronald D. Voisin, Pankaj B. Lad
  • Patent number: 7527757
    Abstract: The invention relates to a method of producing rectifier parts which are made from a laminate composite material comprising reinforcing fibers that are embedded in a heat-polymerized polyimide resin matrix. The aforementioned parts comprise an inner platform, an outer platform and at least one solid blade which connects said platforms.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: May 5, 2009
    Assignee: Aircelle
    Inventors: Jean-Pierre Chevin, Pascal Eric Jean Marchant
  • Patent number: 7497679
    Abstract: The mold comprises a stationary mold half (31) and a movable mold half (32). An annular groove (33) surrounding a cavity (30a) formed by the stationary mold half (31) and the movable mold half (32) is formed in one of the stationary mold half (31) and the movable mold half (32), and a mold seal member (36) formed of a silicon rubber is disposed in the annular groove (33). A mold seal groove (37) opposed to the mold seal member (36) is formed in the other of the stationary mold half (31) and the movable mold half (32). The mold seal member (36) is projected from the contact surface of the stationary mold half (31) or the movable mold half (32) and comprises a fitting part (36a) fittedly installable in the mold seal groove (37). The cross sections of the fitting part (36a) and the mold seal groove (37) are formed in an approximately same shape.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: March 3, 2009
    Assignee: Mamada Sangyo
    Inventor: Tsuneo Mamada
  • Patent number: 7497976
    Abstract: A molding die apparatus and a method thereof are provided, which ensures for air and gas (or fluid) present in a resin filling space to be exhausted so as to be able to fill molten resin into the cavity smoothly and uniformly thereby enabling production of a high quality molded resin product suitable as an optical disc substrate or the like having optimum optical properties required therefore. The molding die apparatus for obtaining the molded product by injecting the molten resin into a cavity that is formed between dies includes a vacuum apparatus which is disposed in proximity to the cavity, the vacuum apparatus including a vacuum tank, an exhaustion channel and a vacuum valve which controls open and close of a channel between the vacuum tank and the exhaustion channel, and the cavity is exhausted efficiently and rapidly by the vacuum apparatus.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: March 3, 2009
    Assignee: Sony Corporation
    Inventors: Katsuhiro Doi, Yumiko Aizawa
  • Publication number: 20090051070
    Abstract: In a method for producing injection-molded parts, PET material is processed and/or plasticized by means of a twin-screw extruder having a plurality of processing zones. At least two processing zones are implemented as degassing zones. The processed and/or plasticized material is transferred to a transfer reservoir and then further processed by a piston unit.
    Type: Application
    Filed: October 16, 2008
    Publication date: February 26, 2009
    Applicants: Berstorff GmbH, Krauss-Maffei Kunststofftechnik GmbH
    Inventors: Gunther Fischbach, Jens Liebhold, Markus Berndt, Rainer Zimmet, Matthias Sieverding
  • Publication number: 20090014081
    Abstract: Thermosetting or thermoplastic arrangement for the manufacturing of pipes (1), made up of a pile of plies (3) in composite materials, characterized in that it comprises at least one structural ply (5) and at least one rigidity ply (7). More specifically, the said at least one rigidity ply (7) takes the form of a perforated or meshed ply and is placed on at least part of the length of the said pipe (1). Further, the said at least one rigidity ply (7) is placed last while forming the pile. Alternatively, the arrangement according to the invention comprises reinforcement means (2) and/or sealing means (6).
    Type: Application
    Filed: July 10, 2007
    Publication date: January 15, 2009
    Inventor: Marc Limas
  • Patent number: 7472556
    Abstract: A vacuum insulated refrigerator cabinet comprises an evacuation system for evacuating an insulation space of the cabinet when pressure inside such space is higher than a predetermined value. It comprises a sensor device having an insulation reference element located on one side of said insulation space and temperature sensors for assessing the differences of temperature across the insulation space) and across the insulation reference element, such sensor device being suitable for providing the evacuation system with a signal related to the ratio of the above differences of temperature.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: January 6, 2009
    Assignee: Whirlpool Corporation
    Inventors: David Kirby, Luigi Martinella, Giorgio Giudici
  • Publication number: 20080308960
    Abstract: Disclosed are fluid transfer and evacuation structures formed in a vacuum bag operable for use in vacuum-assisted resin transfer molding, debulking, compaction, or similar processes. A reusable vacuum bag can be provided including an elastomeric membrane having a preform-contact surface and at least one textured surface formed in the elastomeric membrane. The textured surface can define a fluid transfer channel. At least one fluid extraction port can be provided in communication with the fluid transfer channel, the fluid extraction port being adapted for engagement to a vacuum pump to remove fluids from the fluid transfer channel. The textured surface defining the fluid transfer channel can be adapted to permit the flow of fluids between the elastomeric membrane and a base mold in communication with the elastomeric membrane when the fluid extraction port is engaged to a vacuum pump.
    Type: Application
    Filed: May 19, 2008
    Publication date: December 18, 2008
    Inventors: Richard W. Rydin, Robert J. Scrima, JR.
  • Publication number: 20080296795
    Abstract: A pattern is created in an engineered stone by creating a void in an initial mineral particle/binder composition prior to curing and solidification of the binder. The void is filled with a separate mineral/binder composition and cured at the same time as the initial composition.
    Type: Application
    Filed: April 29, 2008
    Publication date: December 4, 2008
    Inventor: Jocelyn M. Willis-Papi
  • Publication number: 20080284053
    Abstract: A method of forming a covering for a motor vehicle interior is disclosed, wherein a skin is disposed in a mold between a male part and a female part having an item disposed thereon and a vacuum is created in the mold to form the skin against the item.
    Type: Application
    Filed: April 24, 2008
    Publication date: November 20, 2008
    Inventor: Denis Dutouquet
  • Publication number: 20080274343
    Abstract: A solid surface product having a thickness of 3 cm or greater is provided which is substantially free from warping, has a homogeneous surface appearance, and is substantially free from entrapped air bubbles or voids. The solid surface material includes from about 25 to about 95 wt %, i.e. weight percent, of a polymer resin and from about 0 to about 70 wt % of a filler. A method for producing the solid surface material is also provided and includes forming a mixture of from about 25 to about 95 wt % of a polymer resin and from about 0 to about 70 wt % of a filler; casting the mixture into an open mold to a thickness of 3 cm or greater; applying a vacuum to the molded mixture to release entrapped gases therein; and curing the molded mixture to produce a thick solid surface material.
    Type: Application
    Filed: May 1, 2008
    Publication date: November 6, 2008
    Applicant: THE DILLER CORPORATION
    Inventors: David Paul Reichwein, Leonard R. Elbon
  • Publication number: 20080265455
    Abstract: Plastic material is injected into a chamber defined between a female mold member and a male mold member, while air is evacuated from the chamber. In the evacuation step, the air contained in the forming chamber progressively exits from the mold under the pressure of the melted plastic material through a multiplicity of slits made on the female element at different heights along the above-mentioned central axis. The slits have dimensions such as to allow the passage of the air and at the same time to block the flow of the melted plastic material from the forming chamber.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 30, 2008
    Applicant: VACUTEST KIMA S.R.L.
    Inventor: Renzo Chiarin
  • Publication number: 20080264303
    Abstract: A solid surface material which exhibits a pearlescent visual appearance and method of making it are provided. The solid surface material includes a polymer resin, optionally, a filler, and oriented anisotropic pigment particles dispersed substantially throughout the polymer resin to provide the pearlescent visual appearance. The solid surface material is made by forming a mixture of polymer resin, optional filler, and anisotropic pigment particles; dispersing the pigment particles substantially throughout the mixture; casting the mixture into an open mold; applying a vacuum to the molded mixture to release entrapped gases therein to cause the pigment particles to become oriented in the mixture; and curing the molded mixture to produce the solid surface material.
    Type: Application
    Filed: April 24, 2007
    Publication date: October 30, 2008
    Applicant: THE DILLER CORPORATION
    Inventors: Leonard R. Elbon, David Paul Reichwein
  • Patent number: 7442331
    Abstract: A pipe for supplying a dope to a co-casting die consists of a goose neck portion connected to a feed block of the co-casting die, and a straight pipe portion connected to the goose neck portion. The goose neck portion has a radius of curvature of 50 mm to 400 mm, and the straight pipe portion forms an angle of 0 to 20 degrees to the horizontal plane. Venting valves are opened up at the beginning of dope feeding, and are closed to some extent as the dope comes out. After the air is completely vented out, the venting valves are completely closed. Thereby, an air collection is completely let out from the pipe, a plastic web discharged from die lips of the co-casting die would not contain any air bubbles, it is prevented that the web splashes to put on the die lips, causing streaks on the produced film.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: October 28, 2008
    Assignee: Fujifilm Corporation
    Inventor: Toshikazu Nakamura
  • Publication number: 20080211129
    Abstract: A gas purging block for use with injection molding and die casting systems comprises a stationary-side block for connecting to a stationary mold or die half, and a movable-side block for connecting to a movable mold or die half. The stationary-side block comprises a recessed cooling face having a first smooth contour extending between a first side and a second side of the stationary-side block to increase the surface area of the recessed cooling face. The movable-side block comprises a protruding cooling face having a second smooth contour extending between a first side and a second side of the movable-side block to increase the surface area of the protruding cooling face.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 4, 2008
    Inventor: Richard L. Dubay
  • Publication number: 20080211130
    Abstract: Disclosed is a method for making a membrane for use as a vacuum bag, a natural rubber vacuum bag made using such methods, and methods for using such a natural rubber bag to form a composite article. One method can include providing a substantially non-porous working surface having a desired shape for forming a vacuum bag, spraying at least one layer of a natural rubber liquid over at least a portion of working surface, and solidifying the natural rubber liquid to form a membrane having a shape substantially corresponding to that of the working surface. The membrane formed being elastically deformable and substantially impermeable for functioning as a vacuum bag in Vacuum Assisted Resin Transfer Molding, debulking, compaction, or similar processes.
    Type: Application
    Filed: February 25, 2008
    Publication date: September 4, 2008
    Inventors: Richard W. Rydin, Robert J. Scrima
  • Patent number: 7419627
    Abstract: According to one embodiment of the invention, a co-cured vacuum-assisted resin transfer molding manufacturing method includes providing a tool base, disposing a prepreg skin panel outwardly from the tool base, disposing one or more tooling details outwardly from the prepreg skin panel, and disposing one or more preforms proximate the one or more tooling details. The one or more preforms are either dry or binderized. The method further includes disposing a high permeability medium between the one or more tooling details and the one or more preforms, enclosing the prepreg skin panel, the one or more tooling details, the one or more preforms, and the high permeability medium with at least one vacuum bag, pulling a vacuum on the vacuum bag, infusing the one or more preforms with a resin, and curing the one or more preforms and the prepreg skin panel.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: September 2, 2008
    Assignee: Northrop Grumman Corporation
    Inventors: Chi Hsien Sheu, Denise M. Shimazu, David Michael Kane
  • Patent number: 7416753
    Abstract: A breather air and food product fines pumping system for a reciprocating mold plate food product forming machine pumps air and fines to a collection area. A pumping surface is provided by a rearward facing surface of the mold plate. A pumping chamber is arranged between the pumping surface and a food product fines collection area. The rearward facing surface of the mold plate defines a movable limit of the pumping chamber. A valve element of a first valve is arranged between the pumping chamber and the collection area to create suction in the pumping chamber when the rearward facing surface of the mold plate is moving forward, and to allow the pumping chamber to pump air and fines into the collection area when the rearward facing surface of the mold plate is moving rearward. Breather holes in a breather plate are in communication with a breather passage that is in communication with the pumping chamber and with outside air through further valve arrangements.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: August 26, 2008
    Assignee: Formax, Inc.
    Inventors: Scott A. Lindee, David Hansen, David Hancock
  • Patent number: 7413694
    Abstract: The double bag vacuum infusion process of the present invention provides a low cost method for producing complex composite assemblies without an autoclave. It also enables the production of highly innovative structures. The quality of the composites produced using such an infusion process are comparable to composites made using prepregs, hand layup or fiber placement, and autoclave curing. Double bagging provides vacuum integrity, controls bag relaxation while flow media controls the flow front to allow high quality aerospace-grade products.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: August 19, 2008
    Assignee: The Boeing Company
    Inventors: John C. Waldrop, III, Bruce Harshman, William R. Burkett, Alan F. Tegeler, Carmine John Sesti, Wes P. Weinman
  • Patent number: 7407611
    Abstract: A method is disclosed for producing elastomer compounds for use in the production of rubbers. At least one elastomer to be processed for the production of an elastomer mixture can be slowly added to a mixer/extruder and is mixed and plasticized and/or masticated (melted) while it passes through the mixer/extruder. The elastomer, when slowly added to the mixer/extruder, can be present in a fluid medium in an evenly distributed form.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: August 5, 2008
    Assignee: Buhler AG
    Inventors: Federico Innerebner, Erhard Krumpholz, Christoph Näf, Achim-Philipp Sturm, Bernhard Stalder, Roland Halter
  • Publication number: 20080177056
    Abstract: Provided is a cellulose acylate film formed through melt casting that is capable of being built in liquid-crystal display devices to solve the display trouble at the time of black level of display. That is a cellulose acylate film formed through melt casting, in which the number of polarizing minor impurities is from 0 to 10/mm2 and the number of black impurities is from 0 to 10/mm2, and which has a transmittance at 450 nm (T450) of from 90 to 100%.
    Type: Application
    Filed: April 25, 2005
    Publication date: July 24, 2008
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Kiyokazu Hashimoto, Masaaki Otoshi
  • Patent number: 7399437
    Abstract: The present invention provides a method of forming a chemical mechanical polishing pad comprising, providing a tank with polymeric materials, providing a storage silo with microspheres and providing an isocyanate storage tank with isocyanates. The invention further provides delivering the polymeric materials and the microspheres to a premix prep tank, forming a pre-mixture of the polymeric materials and the microspheres, delivering the pre-mixture to a premix run tank and forming a mixture of the pre-mixture and the isocyanates. Further the invention provides injecting the mixture into a closed mold, curing the polishing pad in the mold and degassing at least one of the tank, isocyanate storage tank and the mold.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: July 15, 2008
    Assignee: Rohm and Haas Electronics Materials CMP Holdings, Inc.
    Inventors: David B. James, John V. H. Roberts
  • Patent number: 7381355
    Abstract: Apparatus is disclosed for repairing a flaw in a surface, particularly in the field of vehicle glass repair. The apparatus has a housing adapted to engage the surface to be repaired, a repair seal for sealing between the housing and around the flaw to be repaired to define a repair space over the flaw. A reservoir communicates with the repair space and, in use, contains liquid repair material. A vacuum pump communicates with the repair space and the reservoir to apply a partial vacuum to the repair space and to the reservoir without repair liquid from the reservoir being drawn into the repair space in order to degas separately the flaw and repair liquid in the reservoir. After appropriate degassing, repair liquid from the reservoir is caused to flow into the repair space to fill the repair space with repair liquid.
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: June 3, 2008
    Assignee: Carglass Luxembourg S.A.R.L.-Zug Branch
    Inventors: Philip Rawlins, Douglas Scott MacArthur, Robert Ian Lister, Graham Scott Gutsell
  • Publication number: 20080122133
    Abstract: The present invention provides a method of animal skins fragmentation, reorganization and molding and a product of reorganized skin was made up. The method includes wet grinding wet animal skins after fulling them with water; adding pieces of animal meat, vegetables, fruit and/or vegetable juice and fruit Juices into the comminuted wet skin at the temperature of 20-90° C., and the amount should be less than 70 wt. % of the total weight; and then degassing, shaping, placeing, gelling, and drying the wet skins; Before the degassing approach, a step of adding aycl/aldehyde-transfer enzyme which is less than 3.5 wt. % of the total weight into comminuted wet shin and mixing them thoroughly in temperature of 20-70° C. can also be in the progress. The reorganized skin is 0.2-10 mm thick, and it can be used as feed for pets. For example, it can be shaped as various forms of dog chew toys, artificial dog bones, edible pet toys or directly used for packing products by plastic forming mold.
    Type: Application
    Filed: April 25, 2007
    Publication date: May 29, 2008
    Inventor: Jingmin Zheng
  • Patent number: 7374715
    Abstract: According to one embodiment of the invention, a co-cured resin transfer molding manufacturing method includes providing a tool having one or more tooling details and disposing one or more preforms proximate the one or more tooling details. The one or more preforms are either dry or binderized. The method further includes disposing a high permeability medium outwardly from the one or more tooling details, disposing a prepreg skin panel outwardly from the high permeability medium, disposing the one or more tooling details and the prepreg skin panel within the tool, injecting a resin into the one or more preforms, and curing the one or more preforms and the prepreg skin panel.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: May 20, 2008
    Assignee: Northrop Grumman Corporation
    Inventors: Christopher H. Husmann, Chi H. Sheu, Denise M. Shimazu
  • Publication number: 20080079193
    Abstract: The invention is directed to a process for elimination of deformations on resin infused composite parts in which the resin distribution tube used in a resin vacuum infusion process is positioned above the surface of a preform and is not in contact with the preform. Flow media indirectly connects the resin distribution tube to the preform which allows for free movement of resin without direct contact of the resin distribution tube to the perform, and thus, this eliminates deformations that are caused by direct contact of the resin distribution tube to the preform.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 3, 2008
    Inventors: Dennis J. Hanks, Jack A. Woods, Kate J. Felde
  • Publication number: 20080054510
    Abstract: A method of forming a vehicle trim component includes providing a first component layer having a vent aperture formed therethrough. A second component layer is then formed adjacent a surface of the first component layer, wherein gas may flow through the vent aperture of the first component layer during the step of forming the second component layer.
    Type: Application
    Filed: September 1, 2006
    Publication date: March 6, 2008
    Inventors: Glenn A. Cowelchuk, David Turczynski, David J. Dooley, Robert J. Adams
  • Patent number: 7332115
    Abstract: A composite material for vehicle hulls and a hull molding process comprising a gel coat, a skin coat, a bulk fiberglass layer and adhesive applied to a top mating surface and a bottom mating surface within a top mold and a bottom mold, wherein the adhesive forms a connector. The two molds are placed together, and after the adhesive sets, foam is introduced into at least one cavity formed when the molds are brought together. The molds remain closed while the foam is introduced.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: February 19, 2008
    Inventors: Dan Mielke, Scott Wood
  • Publication number: 20080036111
    Abstract: The present invention provides a thermally crosslinked polymeric material and a medical implant made from such polymeric material having significant crosslinking and substantially no detectable free radial for improved wear and oxidation resistance. A method is disclosed for forming a crosslinked oxidation-resistant polymeric material by placing the polymer material in a heating environment at a temperature above the melting point of the polymeric material for a sufficient time to create free radicals and form crosslinks within the polymer micro-structure followed by a cooling step to eliminate residual free radicals and form crosslinks within the polymer micro-structure. A method of making a crosslinked oxidation-resistant UHMWPE medical implant from a solid form of UHMWPE is also disclosed. Another method of making a crosslinked oxidation-resistant UHMWPE near-finished or finished medical implant by compression molding using UHMWPE resin powder as the starting material is also disclosed.
    Type: Application
    Filed: August 9, 2006
    Publication date: February 14, 2008
    Inventor: Dehchuan Sun
  • Publication number: 20080006959
    Abstract: The present invention relates to an automobile interior trim panel, and a method and a tool for making the same. In at least one embodiment, the method comprises providing a first mold half and a second mold half, wherein the first mold half has a protrusion retractable between a first position in contact with the second mold half and a second position spaced from the second mold half. The first and second mold halves, when the protrusion is in the first position, cooperates to form a first mold cavity. The method further comprises introducing a first resin into the first mold cavity to form a panel subassembly circumscribing the protrusion. The method further comprises moving the protrusion towards the second position to reveal an opening in the panel subassembly and forming a panel portion on a portion of the upper surface of the panel subassembly.
    Type: Application
    Filed: July 10, 2006
    Publication date: January 10, 2008
    Applicant: LEAR CORPORATION
    Inventors: David J. Dooley, David F. Turczynski, Glenn A. Cowelchuk
  • Patent number: 7300611
    Abstract: Process for controlling the capacitance value (C1) of a tubular sheath (1) formed by extrusion of an insulation compound (2) on an electrical cable (3) in an extrusion head (4), a foaming agent (FA) being introduced in the insulation compound (2) in such a way as to improve the capacitance value (C1) of the tubular insulation sheath (1), this process being characterised in that: a predetermined amount of foaming agent (200) is used in such a way as to obtain a predetermined capacitance value (C1) for the tubular insulation sheath (1), and in order to control precisely the capacitance value (C1) of the tubular insulation sheath (1), a gas pressure (110) is applied on at least a portion of a face (100, 101) of the insulation compound (2) extruded by the extrusion head is (4), the value of the gas pressure (110) is changed in such a way as to control the capacitance value (C1) of the tubular insulation sheath (1).
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: November 27, 2007
    Assignee: Maillefer SA
    Inventors: Pierre-Yves Bonvin, Giancarlo Evangelisti, Philippe Gerhard
  • Patent number: 7294297
    Abstract: In a method for producing a bristle from thermoplastic polymers through injection molding, the molten polymer mass is injected under pressure into a bristle-molding channel of predetermined length having a predetermined cross-section along this length and the channel is vented during injection molding. To produce injection-molded bristles with excellent bending behavior, the magnitude of the injection pressure is adjusted in dependence on the cross-sectional extension of the bristle-molding channel such that a shear flow is generated with high core speed in the center of the molten polymer mass flow and large shearing effect due to wall friction of the molten polymer mass under distinct longitudinal orientation of the polymer molecules at least in the region of the molten polymer mass close to the wall, which is maintained along the channel wherein the channel is simultaneously vented along its length to support maintenance of the shear flow. A device for carrying out the method is also described.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: November 13, 2007
    Assignee: Geka Brush GmbH
    Inventor: Georg Weihrauch