Fibers Are Aligned Substantially Parallel Patents (Class 428/298.1)
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Publication number: 20120270009Abstract: A high-quality multilayer thermoplastic-resin-reinforced sheet material having excellent mechanical properties and drapeability in which a thermoplastic resin excellent in recycling efficiency and shock resistance is used as a matrix. A thermoplastic-resin multilayer reinforced molding formed of the multilayer thermoplastic-resin-reinforced sheet material, in which the high quality and the mechanical properties are maintained.Type: ApplicationFiled: June 1, 2012Publication date: October 25, 2012Applicant: FUKUI PREFECTURAL GOVERNMENTInventor: Kazumasa KAWABE
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Publication number: 20120156422Abstract: A composite article may include a plurality of fibers embedded within a matrix. The fibers may include a first fiber and a second fiber which may be oriented in substantially parallel relation to one another. The first and second fibers may be connected to one another at one or more connection sites.Type: ApplicationFiled: December 15, 2010Publication date: June 21, 2012Applicant: The Boeing CompanyInventors: Michael P. Kozar, Mark S. Wilenski, Daniel C. Stanley
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Patent number: 8201371Abstract: A composite beam chord is between first and second reinforcement plates. The beam chord includes a first ply of reinforcing fibers with a fiber orientation of +? degrees with respect to a longitudinal axis of the beam chord and a second ply of reinforcing fibers with a fiber orientation of ?? degrees with respect to the longitudinal axis. The angle ? is between 2 and 12 degrees for suppression or delay of ply splitting.Type: GrantFiled: May 10, 2010Date of Patent: June 19, 2012Assignee: The Boeing CompanyInventor: Max U. Kismarton
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Publication number: 20120100335Abstract: A prepreg comprising a structural layer of packed unidirectional conductive fibres comprising thermosetting resin in the interstices, and a first outer layer of resin comprising thermosetting resin, and being essentially free of unidirectional conductive fibres, which when cured under elevated temperature, produces a cured composite material comprising a cured structural layer of packed unidirectional conductive fibres and a first outer layer of cured resin comprising unidirectional conductive fibres dispersed within.Type: ApplicationFiled: June 25, 2010Publication date: April 26, 2012Applicant: HEXCEL COMPOSITES LIMITEDInventors: John Ellis, Emille Fisset, David Tilbrook, Paul Mackenzie
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Publication number: 20120100362Abstract: A process for the manufacture of a prepreg comprising feeding a layer of unidirectional conductive fibres having a defined width, bringing into contact with a first face of the fibres a first layer of resin comprising thermosetting resin, and compressing the resin and fibres together by passing over one or more impregnation rollers, wherein the pressure exerted onto the conductive fibres and resin does not exceed 40 kg per centimetre of the width of the conductive fibres, and the resin being in sufficient amount for the resin to enter the interstices of the fibres and leave a first outer layer of resin essentially free of unidirectional conductive fibres.Type: ApplicationFiled: June 25, 2010Publication date: April 26, 2012Applicants: Hexcel Composites, S.A.S, Hexcel Composites Ltd.Inventors: John Ellis, Emille Fisset, David Tilbrook, Paul MacKenzie, Isabelle Blanc, Lucien Fiore, Bernadette Tizon
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Patent number: 8158228Abstract: Laminate containing a first layer and a second layer attached to the first layer, said second layer comprising high tenacity yarns, characterized in that the first layer is made out of a material selected out of the group consisting of a metal, a plywood, a solid thermoplastic or thermosetting polymer, and a composite material containing carbon fibers and/or glass fibers, and the high tenacity yarns have a tenacity of at least 0.5 GPa and are positioned in a grid structure. The laminate is damage resistance and is suitably used for the manufacture of air freight containers.Type: GrantFiled: April 12, 2007Date of Patent: April 17, 2012Assignee: DSM IP Assets B.V.Inventors: Dietrich D. Wienke, Roelof R. Marissen
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Patent number: 8153244Abstract: Reinforcement patches comprising a mastic and a plurality of unidirectionally-aligned fibers at least partially embedded in a first major surface of the mastic are described. Generally, at least 90% of the unidirectionally-aligned fibers are oriented having an axis of alignment within +/?10 degrees of the average axis of alignment of the unidirectionally-aligned fibers. Reinforcement patches that include an encapsulating resin and a cover layer are also described. Methods of reinforcing a panel using reinforcement panels, and panels reinforced with the patches are also disclosed.Type: GrantFiled: October 9, 2009Date of Patent: April 10, 2012Assignee: 3M Innovative Properties CompanyInventor: Dean M. Moren
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Patent number: 8137798Abstract: A prepreg containing a carbon fiber [A] and a thermosetting resin [B], and in addition, satisfying at least one of the following (1) and (2). (1) a thermoplastic resin particle or fiber [C] and a conductive particle or fiber [D] are contained, and weight ratio expressed by [compounding amount of [C] (parts by weight)]/[compounding amount of [D] (parts by weight)] is 1 to 1000. (2) a conductive particle or fiber of which thermoplastic resin nucleus or core is coated with a conductive substance [E] is contained.Type: GrantFiled: March 2, 2011Date of Patent: March 20, 2012Assignee: Toray Industries, Inc.Inventors: Nobuyuki Arai, Norimitsu Natsume, Kenichi Yoshioka, Junko Kawasaki, Hiroshi Takezaki
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Patent number: 8119220Abstract: Disclosed is a multilayer material in which at least two components are jointed to each other via an adhesive bond. The adhesive bond is formed by an adhesive or bonding layer containing nanofiber material in a matrix that is suitable as an adhesive.Type: GrantFiled: August 10, 2006Date of Patent: February 21, 2012Assignee: Curamik Electronics GmbHInventors: Xinhe Tang, Ka Chun Tse, Ernst Hammel, Ben Zhong Tang
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Patent number: 8109734Abstract: An article such as a fan blade of a turbofan engine comprises a core made up of components at least some of which comprise packs of rods embedded in a resin matrix material. The rods extend in the span-wise direction of the blade to resist centrifugal forces imposed on the blade during operation. The core is encased in a skin formed from preforms which may comprise fabric reinforcements.Type: GrantFiled: February 24, 2009Date of Patent: February 7, 2012Assignee: Rolls-Royce PLCInventor: Robert C Backhouse
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Patent number: 8100796Abstract: An elevator load bearing assembly (40) includes a plurality of synthetic or polymer cords (42) within a urethane jacket (44). The cords are prestretched and the jacket prevents the stretched cords from relaxing. The inventive arrangement provides a load bearing assembly (40) that has little or no elastic or construction stretch.Type: GrantFiled: September 25, 2002Date of Patent: January 24, 2012Assignee: Otis Elevator CompanyInventor: Hugh James O'Donnell
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Publication number: 20120015135Abstract: The invention concerns a process for preparing a ribbon of reinforcement strands or filaments associated on each of its faces with a polymeric binder, said ribbon having a given width substantially constant over its entire length, in which the strands or filaments extend in a direction parallel to the length of the ribbon, wherein it comprises the following steps: a) adjustment of the ribbon width to the desired width thanks to a dimensioning device, b) association of the ribbon on each of its faces with a polymeric binder allowing the assurance of a homogenous cohesion of the ribbon, such that the total weight of the binder does not exceed 25% of the total weight of the obtained ribbon, as well as the ribbons obtainable by such a process.Type: ApplicationFiled: November 23, 2009Publication date: January 19, 2012Applicant: HEXCEL REINFORCEMENTSInventors: Jean-Marc Beraud, Alain Bruyere, Jean-Florent Lamethe, Jacques Ducarre
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Patent number: 8097334Abstract: A pultruded composite component includes a matrix material comprising a thermosetting polyurethane resin, and fibers provided within the resin matrix. All of the fibers within the resin matrix are oriented in substantially a single direction and the matrix material has an elongation-to-failure that exceeds that of the fibers.Type: GrantFiled: January 24, 2011Date of Patent: January 17, 2012Assignee: Milgard Manufacturing IncorporatedInventors: Randall Jay Brown, Semen Kharchenko, Harry D. Coffee, Icheng Huang
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Patent number: 8092897Abstract: A layered product which is a molded object comprising a thermoset resin layer, a thermoplastic resin layer, and reinforcing fibers comprising many continuous filaments, wherein the thermoset resin layer has been united with the thermoplastic resin layer at the interface between these layers, the resin of the thermoset resin layer and the resin of the thermoplastic resin layer each having an irregular surface shape at the interface, and a group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoset resin layer and the other group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoplastic resin layer, that side of the thermoplastic resin layer which is opposite to the interface being a surface of the molded object.Type: GrantFiled: December 25, 2003Date of Patent: January 10, 2012Assignee: TORAY Industries, Inc.Inventors: Masato Honma, Souichi Ishibashi, Yoshiki Takebe, Haruo Obara, Takeshi Nishizawa, Kosuke Shiho, Seiichiro Eto, Takashi Hasegawa, Hideaki Tanisugi
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Publication number: 20110212290Abstract: Polymeric Materials Manufacture of items such as seal-rings, scrolls for scroll compressors and microchip trays from polymeric materials such as polyaryletherketones, may be undertaken to minimise the risk that the shape and/or dimensions of such items may detrimentally change in use when subjected to heat and/or stress. Manufacture involves forming a component from a polymeric material under conditions which seek to limit the degree of crystallinity generated; constraining the component to the desired shape, for example using a jig; and, with the component constrained, heating the component to a sufficiently high temperature to increase, as much as possible, the level of crystallinity in the component.Type: ApplicationFiled: October 9, 2009Publication date: September 1, 2011Applicant: VICTREX MANUFACTURING LIMITEDInventors: Christopher Crawley, Horst Herbert Sandner, Laure Gauthier, Alan Keith Wood
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Publication number: 20110171034Abstract: Semi-preg material is disclosed adapted for use in composite material comprising a) a first resin layer, b) covered on both side by layers of fibrous reinforcements whereby c) one of the two fabric layers is coated with a second resin layer and d) wherein said second resin layer has a tack level of not more than 100 N. Such semi-preg material has improved handling properties and contributes to the superior mechanical properties of the composite material formed therewith.Type: ApplicationFiled: September 24, 2009Publication date: July 14, 2011Applicant: Hexcel Composites, LtdInventor: Mark Whiter
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Patent number: 7972685Abstract: A composition of a fiber reinforced multi-layered laminate that when compression-molded forms a composite having a Class-A surface that is resin rich. The fiber reinforced multi-layered laminate has an outer layer of a cyclic polyester oligomer containing a latent polymerization catalyst; a glass mat; a core layer of a cyclic polyester oligomer containing a latent polymerization catalyst; a second glass mat, and another outer layer of a cyclic polyester oligomer containing a latent polymerization catalyst. When compression molded, the combination of heat and pressure force the core layer through the permeable glass mats and toward the surface. The latent polymerization catalyst initiates polymerization of the cyclic polyester oligomer forming a Class-A surface that is resin rich. The core layer of a cyclic polyester oligomer thoroughly permeates the reinforcing fiber forming a composite having a middle, with a nearly uniform mixture of reinforced glass fiber and thermoplastic in situ polymerized resin.Type: GrantFiled: May 31, 2005Date of Patent: July 5, 2011Assignee: Azdel, Inc.Inventor: Venkat K. Raghavendran
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Patent number: 7968169Abstract: Structural components are disclosed that are fabricated from unidirectional carbon fiber composite materials into compound contour profiles along a longitudinal axis thereof without wrinkling of composite material plies oriented in various directions relative to the longitudinal axis. Methods of stacking, sequencing, and applying the material plies to fabricate the components are also disclosed.Type: GrantFiled: August 7, 2007Date of Patent: June 28, 2011Assignee: The Boeing CompanyInventors: Gregory R. Gleason, Grant C. Zenkner, Troy A. Haworth, Nazir M. Kaabour
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Patent number: 7951464Abstract: A composite material may be provided with unique alignment characteristics. The composite material may include a matrix material and a plurality of fibers disposed in the matrix material, wherein the plurality of fibers is magnetically aligned in a uniform spacing within the matrix material.Type: GrantFiled: September 2, 2009Date of Patent: May 31, 2011Assignee: General Electric CompanyInventor: Herbert Chidsey Roberts
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Patent number: 7951447Abstract: According to the present invention, a method for manufacturing a prepreg sheet includes steps of (A) forming a resin layer 61 on a surface of a supporter 3, (B) winding a reinforcing yarn 10 around the resin layer 61, and (C) embedding at least a part of the reinforcing yarn 10 in the resin layer 61. Preferably, in step (C), the surface of the supporter 3 is relatively moved towards the reinforcing yarn 10.Type: GrantFiled: January 31, 2008Date of Patent: May 31, 2011Assignee: Kyocera CorporationInventors: Masaaki Harazono, Toshihiro Matsumoto
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Publication number: 20110117356Abstract: A pultruded composite component includes a matrix material comprising a thermosetting polyurethane resin, and fibers provided within the resin matrix. All of the fibers within the resin matrix are oriented in substantially a single direction and the matrix material has an elongation-to-failure that exceeds that of the fibers.Type: ApplicationFiled: January 24, 2011Publication date: May 19, 2011Inventors: Randall Jay Brown, Semen Kharchenko, Harry D. Coffee, Icheng Huang
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Patent number: 7943232Abstract: A layered panel structure including first and second layers formed, respectively, of (a) non-thermoformable, and (b) thermoformable, fiber-strand-reinforced resin, materials, having therebetween a bonding interface formed by resin drawn from the second layer.Type: GrantFiled: June 11, 2010Date of Patent: May 17, 2011Assignee: High Impact Technology, LLCInventors: Russell A. Monk, Lance A. Hicks
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Patent number: 7901762Abstract: A pultruded composite component includes a matrix material comprising a thermosetting polyurethane resin, and fibers provided within the resin matrix. All of the fibers within the resin matrix are oriented in substantially a single direction and the matrix material has an elongation-to-failure that exceeds that of the fibers.Type: GrantFiled: November 23, 2005Date of Patent: March 8, 2011Assignee: Milgard Manufacturing IncorporatedInventors: Randall Jay Brown, Semen Kharchenko, Harry D. Coffee, Icheng Huang
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Patent number: 7897241Abstract: A composite spacer operable to be mounted on a first component is disclosed herein, wherein compression loads associated with attaching the first component to some other structure are born by the composite spacer to limit compressive deformation of the first component. The composite spacer includes a first body formed of resin and defining an aperture extending along an axis. The composite spacer also includes a plurality of first fibers positioned in the first body about the aperture. Each of the first fibers extends substantially parallel to the axis and increases a compressive strength of the first body relative to the axial direction.Type: GrantFiled: February 26, 2009Date of Patent: March 1, 2011Assignee: Rolls-Royce CorporationInventor: Edward Claude Rice
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Publication number: 20110023611Abstract: A self-healing composite material comprising a fibre-reinforced polymeric matrix, wherein the polymeric matrix comprises a thermosetting polymer and a thermoplastic polymer.Type: ApplicationFiled: September 2, 2010Publication date: February 3, 2011Applicant: THE UNIVERSITY OF SHEFFIELDInventors: Frank Jones, Simon A. Hayes
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Publication number: 20110020629Abstract: The invention relates to a film, in particular for an adhesive tape, characterized in that the film contains at least one homopolymer, copolymer, or terpolymer of the propylene and fibers and is monoaxially stretched in the longitudinal direction, wherein the elongation ratio is preferably at least 1:8 and particularly preferably at least 1:9.5.Type: ApplicationFiled: January 12, 2009Publication date: January 27, 2011Applicant: TESA SEInventors: Bernhard Müssig, Iise Rodewald, Uwe Michel
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Patent number: 7851056Abstract: Ultralyophobe interfaces that are substantially inert to contaminants, thereby resulting in surfaces that are hydrophobic and/or lyophobic. The substrates include a substrate surface and have a bonding layer and a plurality of flexible fibers bound to the bonding layer. The flexible fibers have an elastic modulus and an aspect ratio, wherein as the elastic modulus of the fiber increases, the aspect ratio increases such that the flexible fibers bend upon contact of a liquid surface.Type: GrantFiled: June 9, 2005Date of Patent: December 14, 2010Assignee: University of Florida Research Foundation, Inc.Inventors: Wolfgang M. Sigmund, Joachim Spatz
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Patent number: 7846539Abstract: The invention concerns a roll of strip of elastomer material reinforced with parallel steel cords. The roll of strip differs from the prior art that it is intentionally not flat when unrolled: it has obtained a permanent preformation so as to take a helical shape when unwound. Such a strip is particularly useful for reinforcing substantially cylindrical objects such as tubes or pillars. Methods to produce such kind of strips are also presented.Type: GrantFiled: July 4, 2006Date of Patent: December 7, 2010Assignee: NV Bekaert SAInventors: Geert-Filiep Seynhaeve, Renaat Vandemeulebroecke
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Patent number: 7846528Abstract: A method and apparatus for forming an improved pultruded and clinched Z-axis fiber reinforced composite laminate structure. The upper and lower skins and the core are pulled automatically through tooling where the skin material is wetted-out with resin and the entire composite laminate is preformed in nearly its final thickness. The preformed composite laminate continues to be pulled into an automatic 3-dimensional Z-axis fiber deposition machine that deposits “groupings of fiber filaments” at multiple locations normal to the plane of the composite laminate structure and cuts each individual grouping such that an extension of each “grouping of fiber filaments” remains above the upper skin and below the lower skin. The preformed composite laminate then continues to be pulled into a secondary wet-out station.Type: GrantFiled: May 7, 2007Date of Patent: December 7, 2010Assignee: Ebert Composites CorporationInventors: David W. Johnson, Scott A. Garrett, Stephen G. Moyers, James M. Hook
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Publication number: 20100255283Abstract: A layered panel structure including first and second layers formed, respectively, of (a) non-thermoformable, and (b) thermoformable, fibre-strand-reinforced resin, materials, having therebetween a bonding interface formed by resin drawn from the second layer.Type: ApplicationFiled: June 11, 2010Publication date: October 7, 2010Inventors: Russell A. Monk, Lance A. Hicks
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Publication number: 20100215887Abstract: The present invention provides a high-quality multilayer thermoplastic-resin-reinforced sheet material having excellent mechanical properties and drapeability in which a thermoplastic resin excellent in recycling efficiency and shock resistance is used as a matrix; a method for efficiently producing the multilayer thermoplastic-resin-reinforced sheet material in a short time; and a thermoplastic-resin multilayer reinforced molding formed of the multilayer thermoplastic-resin-reinforced sheet material, in which the high quality and the mechanical properties are maintained.Type: ApplicationFiled: November 21, 2007Publication date: August 26, 2010Applicant: FUKUI PREFECTURAL GOVERNMENTInventor: Kazumasa Kawabe
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Publication number: 20100173143Abstract: The invention relates to a method for making a composite part including an assembly of superimposed webs of reinforcement threads imbedded at least partially in a polymer matrix, said part including at least one curved area and the method comprising steps of draping or stacking plies of a composite material, characterised in that, in at least one area adjacent to a curved area, at least one draping or stacking step is carried out with a ply of composite material, that comprises a web, or twisted thread web, including at least one twisted reinforcement thread in order to at least compensate the length differences of the extreme paths of the thread on either side of the width as measured in a direction parallel to the surface of the web; the invention also relates to the composite materials thus obtained.Type: ApplicationFiled: June 10, 2008Publication date: July 8, 2010Applicant: Hexcel Reinforcements, S.A.S.Inventors: Jean-Marc Beraud, Alain Bruyere, Jean-Benoit Thiel, Jacques Ducarre
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Patent number: 7740929Abstract: A strand lumber or board product based on eucalypt species and an iso-cyanate binder such as PMDI.Type: GrantFiled: December 14, 2004Date of Patent: June 22, 2010Assignee: Lignor LimitedInventors: Peter Edward Burton, Graham Thomas Coulthard
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Patent number: 7721495Abstract: Composite structural members and methods for forming the same are disclosed. In one disclosed embodiment, a composite structural member includes a central structural portion comprised of a reinforced, polymer-based material and having a length, a first side and an opposing second side extending along the length. A first reinforcement member fixedly coupled to the first side and a second reinforcement member fixedly coupled to the second side.Type: GrantFiled: March 31, 2005Date of Patent: May 25, 2010Assignee: The Boeing CompanyInventor: Max U. Kismarton
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Publication number: 20100119806Abstract: The invention concerns a roll of strip of elastomer material reinforced with parallel steel cords. The roll of strip differs from the prior art that it is intentionally not flat when unrolled: it has obtained a permanent preformation so as to take a helical shape when unwound. Such a strip is particularly useful for reinforcing substantially cylindrical objects such as tubes or pillars. Methods to produce such kind of strips are also presented.Type: ApplicationFiled: July 4, 2006Publication date: May 13, 2010Inventors: Geert-Filiep Seynhaeve, Renaat Vandemeulebroecke
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Patent number: 7674522Abstract: The invention relates to wood fiber insulating material boards and mats, in which the wood fibers and the binder fibers are aligned three-dimensionally. The fleece of wood fibers and binder fibers can alternatively have synthetic resin granules scattered on it. Likewise, a woven fabric or a film can be applied to one or both sides. The product obtained in this way is heated in a heating/cooling oven, calibrated and/or compacted to the desired final thickness.Type: GrantFiled: December 21, 2005Date of Patent: March 9, 2010Assignee: Kronotec AGInventor: Cevin Marc Pohlmann
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Patent number: 7662467Abstract: A CNT composite (10) includes a matrix (14) and a number of CNTs (12) embedded in the matrix. The matrix has a surface (102) and an opposite surface (104). Head portions of the respective CNTs are consistently oriented, parallel to the surfaces of the matrix. A method for manufacturing the composite includes (a) providing a substrate and depositing a catalyst film on the substrate; (b) forming the array of CNTs via the catalyst film on the substrate; (c) immersing the CNTs in a liquid matrix material, infusing the liquid matrix material into the array of CNTs; (d) taking the carbon nanotubes with the infused matrix out of the liquid matrix; (e) pressing the still-soft matrix and the CNTs therein, in order to arrange the CNTs consistently and parallel to the surfaces of the matrix; and (f) solidifying and peeling away the matrix to produce the CNT composite.Type: GrantFiled: October 17, 2006Date of Patent: February 16, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Qing-Wei Li, Chang-Hong Liu, Shou-Shan Fan
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Publication number: 20090246446Abstract: An article such as a fan blade of a turbofan engine comprises a core made up of components at least some of which comprise packs of rods embedded in a resin matrix material. The rods extend in the span-wise direction of the blade to resist centrifugal forces imposed on the blade during operation. The core is encased in a skin-formed from preforms which may comprise fabric reinforcements.Type: ApplicationFiled: February 24, 2009Publication date: October 1, 2009Applicant: ROLLS-ROYCE PLCInventor: Robert C. Backhouse
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Patent number: 7591973Abstract: A method for producing a fiber-reinforced composite material plate by heating and pressurizing a prepreg for a molding time of 15 minutes or less, at a molding temperature of at least 120° C. and a molding pressure of at least 10 kg/cm2. The prepreg is prepared from a reinforcing fiber and an epoxy resin composition. The epoxy resin composition features: an epoxy resin; an amine compound having at least one sulfur atom in the molecule thereof and/or a reaction product of the epoxy resin and the amine compound having at least one sulfur atom in the molecule thereof; a urea compound; and a dicyandiamide. The contents of the sulfur atom and the urea compound in the epoxy resin composition are respectively 0.2 to 7% by mass and 1 to 15% by mass.Type: GrantFiled: November 28, 2003Date of Patent: September 22, 2009Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Tsuneo Takano, Akitada Yanase, Tadashi Sakai, Kiharu Numata, Akihiro Ito, Masato Taguchi, Junichi Muramatsu, Kazuya Goto, Kazuki Koga
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Patent number: 7537825Abstract: A hybrid nanocomposite architecture is presented. The architecture includes a first composite ply oriented at a first orientation. The architecture also includes a carbon nanotube (CNT) film layer including a plurality of CNT pellets disposed therein, each of the CNT bundles including a plurality of CNTs extending from the bottom surface of the CNT film layer to a top surface of the CNT film layer, the CNT film layer disposed in an abutting relationship with the first composite ply. The architecture further includes a second composite ply which may be oriented at a second orientation, the second composite ply disposed in an abutting relationship with the CNT film layer, and wherein the CNTs of the CNT film layer act as a penetrating bridge across an interface between the first composite ply and the second composite ply.Type: GrantFiled: March 22, 2006Date of Patent: May 26, 2009Assignee: Massachusetts Institute of TechnologyInventors: Brian Lee Wardle, Sang-Gook Kim
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Patent number: 7527854Abstract: The invention relates to a process for the manufacture of a ballistic-resistant molded article in which a stack of monolayers is formed, each monolayer containing unidirectionally oriented reinforcing fibers and at most 30 mass % of a plastic matrix material, the reinforcing fibers being highly-drawn polyethylene fibers, and with the fiber direction in each monolayer being rotated with respect to the fiber direction in an adjacent monolayer, the stack then being compressed at a pressure of more than 25 MPa and a temperature between 125 and 150° C., and the plastic matrix material having a 100% modulus of at least 3 MPa.Type: GrantFiled: March 7, 2007Date of Patent: May 5, 2009Assignee: DSM IP Assets B.V.Inventors: Martinus Johannes Nicolaas Jacobs, Jean Hubert Marie Beugels, Marc Blaauw
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Patent number: 7514135Abstract: A method for forming a pultruded part includes collating reinforcing fibers by providing a first layer of reinforcing rovings extending in the longitudinal pultrusion direction, applying onto the first layer an intermediate layer of reinforcing fibers at least some of which include at least portions thereof which extend in the transverse direction and covering the intermediate layer with a second layer of rovings extending in the longitudinal direction. Alternatively the transverse fiber layer is formed on the inside surface of a hollow part. To the collated fibers is applied a urethane resin so as to permeate through the layers and the materials are passed through a die to form a thermo-set cross-linked poly-urethane. The transverse layer or layers are relatively thin having a weight less than or equal to 0.5 ounces per square foot and more preferably as low as 0.25 ounces or 0.1 ounces.Type: GrantFiled: January 29, 2004Date of Patent: April 7, 2009Assignee: Omniglass Ltd.Inventors: Laurence W. Davies, Mark Robert Bamford, Rodney Herbert Isfeld
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Publication number: 20090047483Abstract: The present invention provides a thin-layer reinforcement member which enhances the mechanical characteristics, such as tensile strength and tear propagation strength, of a to-be-reinforced base substance that is thin, lightweight, and flexible, while maintaining the characteristics of the base substance, such as the thickness, weight, and flexibility. A thin-layer reinforcement member (10) of the present invention is a thin-layer reinforcement tape comprising a tape-shaped substance obtained by impregnating reinforcement fiber string bundles 1 which are extended and broadened to have a width per 1000 strings being 1.3 mm or more, with an adhesive resin (11), and the mechanical characteristics of a base substance (20) as a reinforcement target is reinforced by bonding the reinforcement tape (10) to the to-be-reinforced base substance (20).Type: ApplicationFiled: August 24, 2006Publication date: February 19, 2009Applicants: MARUHACHI CORPORATION, MARUHACHI E.X.P.T. CORPORATIONInventors: Masataka Sugahara, Toshihide Sugahara
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Patent number: 7491446Abstract: The present invention relates to an annular sliding fluoroplastics member which is requested to have good mechanical properties, resistance to abrasion and wear, thermal conductivity, heat resistance, and the like, and also to a method of producing such an annular sliding fluoroplastics member. The annular sliding fluoroplastics member of the invention has a composite structure which mainly consists of fluorine plastics and short fibers, and 20 or more wt. % of short fibers by weight of a total amount of the short fibers are oriented in a direction along which a burden of a load is large. According to this configuration, the buckling resistance and the pressure resistance are enhanced. A member having a high buckling resistance can be used in a thrust slide bearing or a thrust washer in which a large press load is applied in the axial direction, and a member having a high pressure resistance can be used in a radial slide bearing in which a large press load is applied in a radial direction.Type: GrantFiled: March 16, 1999Date of Patent: February 17, 2009Assignee: Nippon Pillar Packing Co., Ltd.Inventors: Takahisa Ueda, Terumasa Yamamoto
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Publication number: 20090035549Abstract: An electronic device comprising a housing assembly having at least one fiber composite layer molded into a portion of the housing assembly, the at least one fiber composite layer having a warp direction and configured to provide strength to the housing assembly corresponding to the warp direction.Type: ApplicationFiled: July 31, 2007Publication date: February 5, 2009Inventors: Jeffrey A. Lev, Steven S. Homer
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Patent number: 7438971Abstract: This invention relates to an aluminum conductor composite core reinforced cable and method of manufacture. The composite core comprises a plurality of longitudinally extending fibers embedded in a resin matrix. The composite core comprises the following characteristics: tensile strength ranging from about 250 to about 350 Ksi; a tensile modulus of elasticity ranging from about 12 to about 16 Msi; and a coefficient of thermal expansion less than or equal to about 6×10?6 cm/cm·° C. The composite core is further manufactured according to a one or more die pultrusion system, the system comprising tooling designed in accordance with the processing speed, selection of composite core fibers and resin and desired physical characteristics of the end composite core.Type: GrantFiled: August 23, 2005Date of Patent: October 21, 2008Assignee: CTC Cable CorporationInventors: David Bryant, Clement Hiel, William Clark Ferguson
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Patent number: 7431981Abstract: A prepreg material infused with a bulk resin, where the bulk resin has shape memory alloy (SMA) particles intermixed in the resin to toughen the material when the material is used in an application and is cured. The SMA particles may be of various shapes and sizes. The material may form a prepreg fabric having interwoven fibers or a prepreg unidirectional tape having fibers oriented unidirectionally. Opposing surfaces of the material may be infused with quantities of bulk resin having different concentrations of SMA particles. The SMA particles may be mixed in the bulk resin while in their austenitic or martensitic states to suit the needs of specific applications.Type: GrantFiled: November 17, 2004Date of Patent: October 7, 2008Assignee: The Boeing CompanyInventor: Terry L Schneider
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Patent number: 7368162Abstract: This invention relates to an aluminum conductor composite core reinforced cable (ACCC) and method of manufacture. An ACCC cable having a composite core surrounded by at least one layer of aluminum conductor. The composite core comprises at least one longitudinally oriented substantially continuous reinforced fiber type in a thermosetting resin matrix having an operating temperature capability within the range of about 90 to about 230° C., at least 50% fiber volume fraction, a tensile strength in the range of about 160 to about 240 Ksi, a modulus of elasticity in the range of about 7 to about 30 Msi and a thermal expansion coefficient in the range of about 0 to about 6×10?6 m/m/C. According to the invention, a B-stage forming process may be used to form the composite core at improved speeds over pultrusion processes wherein the speeds ranges from about 9 ft/min to about 50 ft/min.Type: GrantFiled: April 23, 2003Date of Patent: May 6, 2008Assignee: CTC Cable CorporationInventors: Clem Hiel, George Korzienowski
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Patent number: 7347955Abstract: A mold product comprising liquid crystal composition for conducting heat. The liquid crystal composition contains liquid crystal polymer having an orientation degree ? obtained by equation 1 below: Orientation degree ?=(180???)/180 equation 1 In equation 1, ?? is a half width in the intensity distribution obtained by fixing peak scattering angle in X-ray diffraction measurement and by varying the azimuth angle from 0 to 360 degrees, and orientation degree ? is in a range between 0.5 and 1.0.Type: GrantFiled: October 14, 2003Date of Patent: March 25, 2008Assignee: Polymatech Co., Ltd.Inventors: Masayuki Tobita, Naoyuki Shimoyama, Tsukasa Ishigaki, Hisashi Aoki, Toru Kimura, Tsunehisa Kimura, Masafumi Yamato
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Patent number: 7316840Abstract: Elastomeric composites and elastomeric composite laminates including reinforcement strands incorporated into an elastomeric adhesive film. The strands may vary in terms of levels of tension. Facing layers, such as nonwoven webs, can be laminated to both surfaces of the elastomeric composite to form laminates. A method of making such composites and laminates involves adjusting tension among various elastic strands while extruding the elastic strands and incorporating the elastic strands into the elastomeric adhesive film.Type: GrantFiled: July 2, 2002Date of Patent: January 8, 2008Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Cristian M. Neculescu, Peiguang Zhou