Patents by Inventor David Tilbrook
David Tilbrook has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170028673Abstract: A composite structure (10) comprising one or more electrically conductive pathways (12) and one or more isolators for isolating the pathways (12) from the bulk of the structure (10).Type: ApplicationFiled: December 18, 2014Publication date: February 2, 2017Applicant: Hexcel Composites LimitedInventor: David Tilbrook
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Patent number: 9296869Abstract: 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: GrantFiled: June 25, 2010Date of Patent: March 29, 2016Assignee: Hexcel Composites LimitedInventors: John Ellis, Emille Fisset, David Tilbrook, Paul Mackenzie
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Publication number: 20150179298Abstract: A prepreg comprising a fibre reinforced curable resin, the prepreg containing electrically conductive particles in the range of from 0.5 to 10% by weight based on the resin, the electrically conductive particles comprising potato shaped graphite.Type: ApplicationFiled: June 14, 2013Publication date: June 25, 2015Applicant: Hexcel Composites LimitedInventors: Martin Simmons, Dana Blair, David Tilbrook
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Patent number: 9051444Abstract: A process for the manufacture of a prepreg comprising feeding a layer of unidirectional conductive fibers having a defined width, bringing into contact with a first face of the fibers a first layer of resin comprising thermosetting resin, and compressing the resin and fibers together by passing over one or more impregnation rollers, wherein the pressure exerted onto the conductive fibers and resin does not exceed 40 kg per centimeter of the width of the conductive fibers, and the resin being in sufficient amount for the resin to enter the interstices of the fibers and leave a first outer layer of resin essentially free of unidirectional conductive fibers.Type: GrantFiled: June 25, 2010Date of Patent: June 9, 2015Assignees: Hexcel Composites Limited, Hexcel Composites, S.A.S.Inventors: John Ellis, Emille Fisset, David Tilbrook, Paul Mackenzie, Isabelle Blanc, Lucien Fiore, Bernadette Tizon
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Patent number: 8932697Abstract: A composite material assembly (1) comprises a) a surface enhancing layer (5) comprising at least one layer of fibers, having a length to width aspect ratio of more than 5:1 and b) a structural layer (7) comprising at least one reinforcing fiber and at least one polymeric matrix.Type: GrantFiled: July 11, 2007Date of Patent: January 13, 2015Assignee: Hexcel Composites LimitedInventors: Armin Heidrich, Mark Whiter, David Tilbrook
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Publication number: 20140217332Abstract: A prepreg comprising a fibre reinforced curable resin, the curable resin being composed of 25 to 35 weight percent tetrafunctional epoxy resin based on the total weight of the curable resin; 18 to 28 weight percent difunctional epoxy resin; 4 to 18 weight percent polyether sulfone; 2 to 10 weight percent polyamide 12 particles; 2 to 10 weight percent polyamide 11 particles; 1 to 8 weight percent potato shaped graphite particles; and 17.4 to 27.4 weight percent of a curing agent for said curable resin.Type: ApplicationFiled: April 10, 2014Publication date: August 7, 2014Applicants: HEXCEL CORPORATION, HEXCEL COMPOSITES LIMITEDInventors: Martin Simmons, Dana Blair, David Tilbrook, Maureen Boyle
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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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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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Patent number: 8097333Abstract: Pre-impregnated composite material (prepreg) is provided that can be cured to form composite parts that have high levels of damage tolerance. The matrix resin includes a thermoplastic particle component that is a blend of particles that have a melting point above the curing temperature and particles that have a melting point at or below the curing temperature.Type: GrantFiled: March 7, 2011Date of Patent: January 17, 2012Assignees: Hexcel Corporation, Hexcel Composites, Ltd.Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Publication number: 20110262630Abstract: A composite material comprising at least one polymeric resin and optionally at least one fibrous reinforcement where the polymeric resin comprises at least one difunctional epoxy resin and at least one epoxy resin with a functionality greater than two having at least one meta-substituted phenyl ring in its backbone.Type: ApplicationFiled: July 1, 2011Publication date: October 27, 2011Applicants: Hexcel Corporation, Hexcel Composites LimitedInventors: David Tilbrook, Dana Blair, Paul Mackenzie, Maureen Boyle
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Patent number: 7972686Abstract: A composite material comprising at least one polymeric resin and optionally at least one fibrous reinforcement, where the polymeric resin comprises; at least one difunctional epoxy resin; and at least one epoxy resin with a functionality greater than two having at least one meta-substituted phenyl ring in its backbone.Type: GrantFiled: October 2, 2007Date of Patent: July 5, 2011Assignees: Hexcel Composites, Ltd., Hexcel CorporationInventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Patent number: 7968179Abstract: Pre-impregnated composite material (prepreg) is provided that can be molded to form composite parts that have high levels of both strength and damage tolerance without causing any substantial negative impact upon the physical or chemical characteristics of the uncured prepreg or cured part. This is achieved by including in the matrix resin a substantial amount of a multifunctional aromatic epoxy resin that has at least one phenyl group that is meta-substituted.Type: GrantFiled: April 17, 2007Date of Patent: June 28, 2011Assignees: Hexcel Composites, Ltd., Hexcel CorporationInventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Publication number: 20110147670Abstract: Pre-impregnated composite material (prepreg) is provided that can be cured to form composite parts that have high levels of damage tolerance. The matrix resin includes a thermoplastic particle component that is a blend of particles that have a melting point above the curing temperature and particles that have a melting point at or below the curing temperature.Type: ApplicationFiled: March 7, 2011Publication date: June 23, 2011Applicants: Hexcel Corporation, Hexcel Composites Ltd.Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Patent number: 7923102Abstract: A method for making a pre-impregnated composite material (prepreg) is provided. The prepreg can be cured to form composite parts that have high levels of damage tolerance. The matrix resin includes a thermoplastic particle component that is a blend of particles that have a melting point above the curing temperature and particles that have a melting point at or below the curing temperature.Type: GrantFiled: June 2, 2010Date of Patent: April 12, 2011Assignees: Hexcel Corporation, Hexcel Composites, Ltd.Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Publication number: 20100239755Abstract: Pre-impregnated composite material (prepreg) is provided that can be cured to form composite parts that have high levels of damage tolerance. The matrix resin includes a thermoplastic particle component that is a blend of particles that have a melting point above the curing temperature and particles that have a melting point at or below the curing temperature.Type: ApplicationFiled: June 2, 2010Publication date: September 23, 2010Applicants: Hexcel Corporation, Hexcel Composites Ltd.Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Patent number: 7754322Abstract: Pre-impregnated composite material (prepreg) is provided that can be cured to form composite parts that have high levels of damage tolerance. The matrix resin includes a thermoplastic particle component that is a blend of particles that have a melting point above the curing temperature and particles that have a melting point at or below the curing temperature.Type: GrantFiled: April 17, 2007Date of Patent: July 13, 2010Assignees: Hexcel Corporation, Hexcel Composites Ltd.Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Publication number: 20090311535Abstract: A composite material comprising at least one polymeric resin and optionally at least one fibrous reinforcement, where the polymeric resin comprises; at least one difunctional epoxy resin; and at least one epoxy resin with a functionality greater than two having at least one meta-substituted phenyl ring in its backbone.Type: ApplicationFiled: October 2, 2007Publication date: December 17, 2009Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Publication number: 20090252916Abstract: A composite material assembly (1) comprises a) a surface enhancing layer (5) comprising at least one layer of fibres, having a length to width aspect ratio of more than 5:1 and b) a structural layer (7) comprising at least one reinforcing fibre and at least one polymeric matrix.Type: ApplicationFiled: July 11, 2007Publication date: October 8, 2009Applicant: Hexcel Composites LimitedInventors: Armin Heidrich, Mark Whiter, David Tilbrook
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Publication number: 20080286578Abstract: Pre-impregnated composite material (prepreg) is provided that can be cured to form composite parts that have high levels of damage tolerance. The matrix resin includes a thermoplastic particle component that is a blend of particles that have a melting point above the curing temperature and particles that have a melting point at or below the curing temperature.Type: ApplicationFiled: April 17, 2007Publication date: November 20, 2008Applicant: Hexcel CorporationInventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
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Publication number: 20080081170Abstract: Pre-impregnated composite material (prepreg) is provided that can be molded to form composite parts that have high levels of both strength and damage tolerance without causing any substantial negative impact upon the physical or chemical characteristics of the uncured prepreg or cured part. This is achieved by including in the matrix resin a substantial amount of a multifunctional aromatic epoxy resin that has at least one phenyl group that is meta-substituted.Type: ApplicationFiled: April 17, 2007Publication date: April 3, 2008Applicant: Hexcel CorporationInventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie