Patents Assigned to Hexcel Reinforcements
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Publication number: 20240123694Abstract: The reinforcing material comprises a unidirectional reinforcing web (2) formed of one or a plurality of carbon yarns (3), associated on at least one of its faces, preferably on each of its faces, with a porous polymeric layer (4, 5), the polymeric portion of the reinforcing material representing from 0.5% to 10% of its total weight and preferably from 2% to 6% of its total weight, characterized in that said carbon yarns (3) are individually twisted having a twist from 3 turns/m to 15 turns/m, preferably from 6 turns/m to 12 turns/m, and comprise at least one S-twist yarn and at least one Z-twist yarn, from a selection according to claim 1.Type: ApplicationFiled: March 22, 2022Publication date: April 18, 2024Applicant: HEXCEL REINFORCEMENTS SASUInventors: Andréa VIARD, Jean-Marc BERAUD, Jean-Benoît THIEL, François FORESTELLO
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Publication number: 20230373131Abstract: The present invention relates to a reinforcement material including at least one fiber reinforcement associated on at least one of its faces with a porous layer, the porous layer(s) representing no more than 10% of the total weight of the reinforcement material, preferably from 0.5 to 10% of the total weight of the reinforcement material, and most preferably from 2 to 6% of the total weight of the reinforcement material, characterized in that the porous layer contains a partially cross-linked thermoplastic polymer. Another object of the invention is a precursor material of such a reinforcement material, as well as their preparation method and the methods for manufacturing a preform or a composite part from such materials.Type: ApplicationFiled: August 4, 2023Publication date: November 23, 2023Applicant: HEXCEL REINFORCEMENTS SASUInventors: Andréa VIARD, Thibaut BENETHUILIERE
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Patent number: 11760058Abstract: The present invention relates to a reinforcement material including at least one fiber reinforcement associated on at least one of its faces with a porous layer, the porous layer(s) representing no more than 10% of the total weight of the reinforcement material, preferably from 0.5 to 10% of the total weight of the reinforcement material, and most preferably from 2 to 6% of the total weight of the reinforcement material, characterized in that the porous layer contains a partially cross-linked thermoplastic polymer. Another object of the invention is a precursor material of such a reinforcement material, as well as their preparation method and the methods for manufacturing a preform or a composite part from such materials.Type: GrantFiled: May 26, 2022Date of Patent: September 19, 2023Assignee: HEXCEL REINFORCEMENTS SASUInventors: Andréa Viard, Thibaut Benethuiliere
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Publication number: 20220347966Abstract: The present invention relates to a reinforcement material including at least one fiber reinforcement associated on at least one of its faces with a porous layer, the porous layer(s) representing no more than 10% of the total weight of the reinforcement material, preferably from 0.5 to 10% of the total weight of the reinforcement material, and most preferably from 2 to 6% of the total weight of the reinforcement material, characterized in that the porous layer contains a partially cross-linked thermoplastic polymer. Another object of the invention is a precursor material of such a reinforcement material, as well as their preparation method and the methods for manufacturing a preform or a composite part from such materials.Type: ApplicationFiled: May 26, 2022Publication date: November 3, 2022Applicant: HEXCEL REINFORCEMENTS SASUInventors: Andréa VIARD, Thibaut BENETHUILIERE
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Patent number: 11370196Abstract: The present invention relates to a reinforcement material including at least one fiber reinforcement associated on at least one of its faces with a porous layer, the porous layer(s) representing no more than 10% of the total weight of the reinforcement material, preferably from 0.5 to 10% of the total weight of the reinforcement material, and most preferably from 2 to 6% of the total weight of the reinforcement material, characterized in that the porous layer contains a partially cross-linked thermoplastic polymer. Another object of the invention is a precursor material of such a reinforcement material, as well as their preparation method and the methods for manufacturing a preform or a composite part from such materials.Type: GrantFiled: November 20, 2018Date of Patent: June 28, 2022Assignee: HEXCEL REINFORCEMENTS SASUInventors: Andréa Viard, Thibaut Benethuiliere
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Patent number: 11213979Abstract: The invention relates to a blank for compression moulding a part in a compression mould comprising one or more moulding recesses, said blank comprising a body formed from a first moulding compound comprising a fibrous reinforcement material and a thermo-curable resin material, and a region located on the surface of the body formed from a second moulding compound; said second moulding compound comprising a fibrous reinforcement material and a thermo-curable resin material, and exhibiting increased flow at one or more temperatures between 20° C. and the cured Tg of the first moulding compound compared to the flow of the first moulding compound at the same temperature.Type: GrantFiled: December 13, 2017Date of Patent: January 4, 2022Assignee: HEXCEL REINFORCEMENTS SASUInventors: Mayeul Ducrot, Sylvain Delalande
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Publication number: 20210331430Abstract: There is provided a device for producing fibre-reinforced composite components from dry fibre components by means of an injection process for injecting curable matrix material, comprising a. a tool for arranging a dry fibre component; b. an envelope which is impermeable to gas and curable matrix material arranged on at least one side of the tool to form a space into which curable matrix material may be introduced to contact a dry fibre component arranged on the tool, the envelope sealing off the tool from the environment; c. an inlet for introducing curable matrix material into the space formed by the envelope; d. an outlet for removing gas from the space formed by the envelope so that curable matrix material may be drawn into the space to penetrate the dry fibre component arranged on the tool; and e.Type: ApplicationFiled: September 6, 2017Publication date: October 28, 2021Applicant: Hexcel Reinforcements SASInventors: Pascal PERRILLAT-COLLOMB, Damien VIGUIE
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Publication number: 20200353717Abstract: The present invention relates to a reinforcement material including at least one fiber reinforcement associated on at least one of its faces with a porous layer, the porous layer(s) representing no more than 10% of the total weight of the reinforcement material, preferably from 0.5 to 10% of the total weight of the reinforcement material, and most preferably from 2 to 6% of the total weight of the reinforcement material, characterized in that the porous layer contains a partially cross-linked thermoplastic polymer. Another object of the invention is a precursor material of such a reinforcement material, as well as their preparation method and the methods for manufacturing a preform or a composite part from such materials.Type: ApplicationFiled: November 20, 2018Publication date: November 12, 2020Applicant: HEXCEL REINFORCEMENTS SASUInventors: Andréa VIARD, Thibaut BENETHUILIERE
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Patent number: 10682819Abstract: The present invention concerns preforms made with a new intermediate material composed of a unidirectional layer of carbon fibers with a weight of 100 to 280 g/m2, associated on each of its faces, with a web of thermoplastic fibers having a thickness of 0.5 to 50 microns, preferably 3 to 35 microns, the intermediate material having a total thickness of 80 to 380 microns, preferably from 90 to 320 microns, and a process for manufacturing composite parts from such preforms and the resulting composite parts.Type: GrantFiled: August 7, 2018Date of Patent: June 16, 2020Assignee: HEXCEL REINFORCEMENTS, S.A.S.Inventors: Jean-Marc Beraud, Jean-Florent Lamethe, Jean-Christophe Minni
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Patent number: 10576697Abstract: The present invention relates to a method for applying spot transverse forces to an intermediate material composed of a layer of unidirectional reinforcing fibers associated on at least one of its faces to a layer of thermoplastic and/or thermosetting material that does not represent more than 10% of the total weight of the intermediate material, wherein the spot transverse forces are applied while the intermediate material is under tension in the direction of the unidirectional reinforcing fibers.Type: GrantFiled: March 5, 2018Date of Patent: March 3, 2020Assignee: HEXCEL REINFORCEMENTSInventors: Jean-Marc Beraud, Jacques Ducarre
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Publication number: 20200047435Abstract: A manufacturing apparatus for constructing a 3D preform from carbon fibre tow (10), in which the tow is deposited by an AFP head (2400) onto a membrane (2204) which is conveyed to a forming cell (114) for diaphragm forming. Active tension control is provided with an offwind (102) combined with an accumulator (106) and compensator (108). The invention also provides a method of manufacture.Type: ApplicationFiled: April 27, 2018Publication date: February 13, 2020Applicant: HEXCEL REINFORCEMENTS UK LIMITEDInventors: Thomas JAMES, Arthur Lewis SWARBRICK, Ian HAYTO, Dimitrios KARANATSIS, Ian JONES, Tim JONES, Christopher BEARD
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Publication number: 20200039179Abstract: The invention provides a method of manufacturing a preform (120) from a reinforcement fabric by depositing a first fibre layer (112) and depositing a second fibre layer (114) partially over the first layer before cutting a plurality of preforms from the reinforcement fabric.Type: ApplicationFiled: April 23, 2018Publication date: February 6, 2020Applicants: HEXCEL REINFORCEMENTS UK LIMITED, HEXCEL HOLDING GMBHInventors: Thomas JAMES, Robert FROST, Andreas SAGEDER
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Publication number: 20200009768Abstract: The invention relates to a blank for compression moulding a part in a compression mould comprising one or more moulding recesses, said blank comprising a body formed from a first moulding compound comprising a fibrous reinforcement material and a thermo-curable resin material, and a region located on the surface of the body formed from a second moulding compound; said second moulding compound comprising a fibrous reinforcement material and a thermo-curable resin material, and exhibiting increased flow at one or more temperatures between 20° C. and the cured Tg of the first moulding compound compared to the flow of the first moulding compound at the same temperature.Type: ApplicationFiled: December 13, 2017Publication date: January 9, 2020Applicant: HEXCEL REINFORCEMENTS SASUInventors: Mayeul DUCROT, Sylvain DELALANDE
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Patent number: 10525660Abstract: The present invention provides a tape with a given width, said tape being composed of an assembly of filaments extending in a direction substantially parallel to the length of the tape, and between which a powder of a polymeric material is distributed, each face of said tape being associated with a nonwoven of polymeric fibers.Type: GrantFiled: November 3, 2015Date of Patent: January 7, 2020Assignee: HEXCEL REINFORCEMENTSInventors: Jean-Marc Beraud, Jacques Ducarre, Jean-Benoit Thiel
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Patent number: 10076882Abstract: A method of preparing a stringer (101) and panel (103) lay-up comprising the steps of providing a stringer preform (303), a panel preform (508), a filler (309) and a mold (307). The mold is adapted to define an inner surface of a stringer. The method further comprises the steps of arranging the stringer preform (303) to contact the mold (307), placing filler (309) material between the mold (307) surface and stringer preform (303), and bringing the reinforcement material (303) into contact with the panel preform (508). The shape of the mold (307) is configured to control filler (309) placement and/or filler shape and/or filler volume.Type: GrantFiled: April 16, 2015Date of Patent: September 18, 2018Assignee: Hexcel Reinforcements SASInventors: Pascal Perrillat, Sylvain Delalande
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Patent number: 10059063Abstract: The present invention concerns preforms made with a new intermediate material composed of a unidirectional layer of carbon fibers with a weight of 100 to 280 g/m2, associated on each of its faces, with a web of thermoplastic fibers having a thickness of 0.5 to 50 microns, preferably 3 to 35 microns, the intermediate material having a total thickness of 80 to 380 microns, preferably from 90 to 320 microns, and a process for manufacturing composite parts from such preforms and the resulting composite parts.Type: GrantFiled: June 30, 2016Date of Patent: August 28, 2018Assignee: Hexcel ReinforcementsInventors: Jean-Marc Beraud, Jean-Florent Lamethe, Jean-Christophe Minni
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Patent number: 9931810Abstract: 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: GrantFiled: March 28, 2017Date of Patent: April 3, 2018Assignee: Hexcel ReinforcementsInventors: Jean-Marc Beraud, Alain Bruyere, Jean-Florent Lamethe, Jacques Ducarre
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Patent number: 9922757Abstract: A process for making a material adapted for the production of composite parts by a process in which a thermoplastic or thermosetting matrix is diffused within said material. The material includes at least one sheet of unidirectional carbon fibers associated on at least one of its faces with at least one conductive component associated or integrated with a permeable layer in a thermoplastic material or in a mixture of thermoplastic or thermosetting materials.Type: GrantFiled: October 4, 2016Date of Patent: March 20, 2018Assignee: Hexcel ReinforcementsInventors: Jean-Marc Beraud, Andrea Viard
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Patent number: 9914267Abstract: The present invention provides an intermediate material composed of an assembly of overlapping and interlaced tapes, characterized in that at least some of the tapes, preferably all of the tapes, known as veiled tapes, are composed of a series of reinforcing yarns or filaments that extend in a direction parallel to the length of the tape to form a unidirectional sheet that is associated on each of its faces with a nonwoven formed from thermoplastic fibers, said two nonwovens providing said veiled tape with cohesiveness because of their thermoplastic nature, to a production method using said material for producing composite parts, and to the composite parts obtained.Type: GrantFiled: December 17, 2010Date of Patent: March 13, 2018Assignee: Hexcel ReinforcementsInventors: Jean-Marc Beraud, Jean-Christophe Minni
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Patent number: 9815265Abstract: The present invention concerns a multilayer element comprising a reinforcing material suitable for producing composite parts combined on at least one of the faces of same with a support layer characterized in that the reinforcing material and the support layer are combined by means of electrostatic forces, and a method for preparing such a material and a method for producing a composite part produced from at least one reinforcing material obtained from such an element, after having removed the support layer.Type: GrantFiled: May 26, 2014Date of Patent: November 14, 2017Assignee: Hexcel ReinforcementsInventor: Jacques Ducarre