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).

  • Publication number: 20170028673
    Abstract: 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: Application
    Filed: December 18, 2014
    Publication date: February 2, 2017
    Applicant: Hexcel Composites Limited
    Inventor: David Tilbrook
  • Patent number: 9296869
    Abstract: 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: Grant
    Filed: June 25, 2010
    Date of Patent: March 29, 2016
    Assignee: Hexcel Composites Limited
    Inventors: John Ellis, Emille Fisset, David Tilbrook, Paul Mackenzie
  • Publication number: 20150179298
    Abstract: 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: Application
    Filed: June 14, 2013
    Publication date: June 25, 2015
    Applicant: Hexcel Composites Limited
    Inventors: Martin Simmons, Dana Blair, David Tilbrook
  • Patent number: 9051444
    Abstract: 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: Grant
    Filed: June 25, 2010
    Date of Patent: June 9, 2015
    Assignees: Hexcel Composites Limited, Hexcel Composites, S.A.S.
    Inventors: John Ellis, Emille Fisset, David Tilbrook, Paul Mackenzie, Isabelle Blanc, Lucien Fiore, Bernadette Tizon
  • Patent number: 8932697
    Abstract: 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: Grant
    Filed: July 11, 2007
    Date of Patent: January 13, 2015
    Assignee: Hexcel Composites Limited
    Inventors: Armin Heidrich, Mark Whiter, David Tilbrook
  • Publication number: 20140217332
    Abstract: 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: Application
    Filed: April 10, 2014
    Publication date: August 7, 2014
    Applicants: HEXCEL CORPORATION, HEXCEL COMPOSITES LIMITED
    Inventors: Martin Simmons, Dana Blair, David Tilbrook, Maureen Boyle
  • Publication number: 20120100335
    Abstract: 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: Application
    Filed: June 25, 2010
    Publication date: April 26, 2012
    Applicant: HEXCEL COMPOSITES LIMITED
    Inventors: John Ellis, Emille Fisset, David Tilbrook, Paul Mackenzie
  • Publication number: 20120100362
    Abstract: 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: Application
    Filed: June 25, 2010
    Publication date: April 26, 2012
    Applicants: Hexcel Composites, S.A.S, Hexcel Composites Ltd.
    Inventors: John Ellis, Emille Fisset, David Tilbrook, Paul MacKenzie, Isabelle Blanc, Lucien Fiore, Bernadette Tizon
  • Patent number: 8097333
    Abstract: 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: Grant
    Filed: March 7, 2011
    Date of Patent: January 17, 2012
    Assignees: Hexcel Corporation, Hexcel Composites, Ltd.
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Publication number: 20110262630
    Abstract: 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: Application
    Filed: July 1, 2011
    Publication date: October 27, 2011
    Applicants: Hexcel Corporation, Hexcel Composites Limited
    Inventors: David Tilbrook, Dana Blair, Paul Mackenzie, Maureen Boyle
  • Patent number: 7972686
    Abstract: 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: Grant
    Filed: October 2, 2007
    Date of Patent: July 5, 2011
    Assignees: Hexcel Composites, Ltd., Hexcel Corporation
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Patent number: 7968179
    Abstract: 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: Grant
    Filed: April 17, 2007
    Date of Patent: June 28, 2011
    Assignees: Hexcel Composites, Ltd., Hexcel Corporation
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Publication number: 20110147670
    Abstract: 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: Application
    Filed: March 7, 2011
    Publication date: June 23, 2011
    Applicants: Hexcel Corporation, Hexcel Composites Ltd.
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Patent number: 7923102
    Abstract: 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: Grant
    Filed: June 2, 2010
    Date of Patent: April 12, 2011
    Assignees: Hexcel Corporation, Hexcel Composites, Ltd.
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Publication number: 20100239755
    Abstract: 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: Application
    Filed: June 2, 2010
    Publication date: September 23, 2010
    Applicants: Hexcel Corporation, Hexcel Composites Ltd.
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Patent number: 7754322
    Abstract: 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: Grant
    Filed: April 17, 2007
    Date of Patent: July 13, 2010
    Assignees: Hexcel Corporation, Hexcel Composites Ltd.
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Publication number: 20090311535
    Abstract: 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: Application
    Filed: October 2, 2007
    Publication date: December 17, 2009
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Publication number: 20090252916
    Abstract: 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: Application
    Filed: July 11, 2007
    Publication date: October 8, 2009
    Applicant: Hexcel Composites Limited
    Inventors: Armin Heidrich, Mark Whiter, David Tilbrook
  • Publication number: 20080286578
    Abstract: 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: Application
    Filed: April 17, 2007
    Publication date: November 20, 2008
    Applicant: Hexcel Corporation
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie
  • Publication number: 20080081170
    Abstract: 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: Application
    Filed: April 17, 2007
    Publication date: April 3, 2008
    Applicant: Hexcel Corporation
    Inventors: David Tilbrook, Dana Blair, Maureen Boyle, Paul Mackenzie