Patents Examined by Camie S Thompson
  • Fiber reinforced polymer manufacturing
    Patent number: 11377527
    Abstract: Method of manufacturing a product comprising fiber reinforced polymer material, the method comprising the steps of: providing 10 carbon fibers being embedded in a thermosetting resin, heating 20 the thermosetting resin up to its cure temperature by a current flowing through at least a part of said carbon fibers, letting convert 30 the thermosetting resin to a thermoset polymer. The invention is further directed to a device for performing the method and to a composite sandwich panel structure manufactured according to the method.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: July 5, 2022
    Assignee: RUAG SCHWEIZ AG
    Inventors: Joseph Patrick Moran, Michael Stephen Pavloff
  • Composite material rework parts and methods of making composite rework parts
    Patent number: 11376801
    Abstract: Methods, apparatuses and systems are disclosed for making and applying composite material rework parts to rework composite substrates by partially forming a composite material rework part before staging the rework part onto the composite substrate. An approximate geometry is imparted to the partially formed rework part, with the final composite material rework part geometry imparted by the composite substrates requiring rework, as the rework part is finally shaped and cured in situ on the composite substrate.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: July 5, 2022
    Assignee: The Boeing Company
    Inventors: Justin H. Register, Andrew Staal, Gregory J. Smith
  • Reinforcing fiber mat, and fiber-reinforced resin forming material and method of producing same
    Patent number: 11377528
    Abstract: A reinforcing fiber mat includes reinforcing fiber bundles having an average fiber length of 5 mm to 100 mm, wherein reinforcing fiber bundles consisting of 86 or more fibers per bundle are contained at a weight content of more than 99 wt % to 100 wt % and the reinforcing fiber bundles contain single yarns by 500 fibers/mm-width or more and 1,600 fibers/mm-width or less and have a drape level of 120 mm or more and 240 mm or less.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: July 5, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Satoshi Seike, Masaru Tateyama, Mitsuki Fuse, Hiroshi Hirano, Akihiko Matsui, Kazuma Ura
  • Shock and impact resistant structures
    Patent number: 11376812
    Abstract: Described herein are details for designing and manufacturing enhanced shock and impact resistant helicoidal lay-ups by combining nanomaterials, variable pitch and partial spirals, Thin unidirectional fiber plies, hybrid materials, and/or curved fibers within a ply. The helicoidal structures created in the prescribed manners can be tuned and pitched to desired wavelengths to dampen propagating shock waves initiated by ballistics, strike forces or foreign material impacts and can arrest the propagation of fractures including catastrophic fractures. These enhancements open the helicoidal technology up for use in such applications as consumer products, protective armor, sporting equipment, crash protection devices, wind turbine blades, cryogenic tanks, pressure vessels, battery casings, automotive/aerospace components, construction materials, and other composite products.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: July 5, 2022
    Assignee: Helicoid Industries Inc.
    Inventors: Douglas McCarville, Chad Wasilenkoff, Pascal Joubert des Ouches, David Kisailus
  • Polyamide nanofiber nonwovens for filters
    Patent number: 11376534
    Abstract: A filter comprising a nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: July 5, 2022
    Assignee: Ascend Performance Materials Operations LLC
    Inventors: Wai-Shing Yung, Scott E. Osborn, Chris E. Schwier, Vikram Gopal, Albert Ortega, Joseph L. Menner
  • Prepreg and fiber reinforced composite material
    Patent number: 11377531
    Abstract: A prepreg contains components [A] to [E], wherein 85% by mass or more of the component [E] is present in a range within 9% of the average thickness of the prepreg from each surface of the prepreg, and a range within 7% of the average thickness of the prepreg from each surface of the prepreg is composed of a first resin composition containing components [B] to [E]. [A] a carbon fiber, [B] an epoxy resin having two or more glycidyl groups in one molecule, [C] an aromatic amine compound, [D] a thermoplastic resin having a polyarylether skeleton, and [E] particles having a number average primary particle size of 5 to 50 ?m, having a content ratio (% by mass) of thermoplastic resin and thermosetting resin of 95:5 to 70:30.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 5, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Bon Aizawa, Ryuichi Kitahara, Takahiro Nishimura, Shinji Kochi, Naoya Takeda
  • Composite material manufacturing method and composite material
    Patent number: 11370183
    Abstract: An object is to provide a composite material manufacturing method for improving interlayer strength. The present disclosure provides a composite material manufacturing method of laminating a plurality of prepregs (10) formed of a fiber reinforced base material impregnated with an uncured matrix resin and performing hot molding, the method including: using the prepregs (10) each provided with a gap layer (12) that does not contain a resin and is continuous in an in-plane direction and resin layers (11a, 11b) disposed on both surfaces of the gap layer; disposing a plurality of short fibers (13) on facing surfaces of the prepregs (10) that are adjacent to each other; and evacuating the laminated prepregs (10) to degas the gap layer (12) and then performing hot molding.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: June 28, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio Takeuchi, Katsunori Akiyama, Shunichi Morishima
  • Composite material, prepreg, carbon-fiber-reinforced molded body, and method for manufacturing composite material
    Patent number: 11370893
    Abstract: Provided are a composite material that adequately obtains the effect of carbon nanotubes, a prepreg in which the composite material is used, a carbon-fiber-reinforced molded article having greater resistance to the progression of the interlayer peeling crack, and a method for manufacturing the composite material. A composite material includes a carbon fiber bundle in which a plurality of continuous carbon fibers are arranged, carbon nanotubes adhering to respective surfaces of the carbon fibers, and a plurality of fixing resin parts partly fixing the carbon nanotubes on the surfaces of the carbon fibers, where the fixing resin parts cover 7% or more and 30% or less of the surfaces of the carbon fibers to which the carbon nanotubes adhere.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 28, 2022
    Assignee: NITTA CORPORATION
    Inventors: Maki Onizuka, Takuji Komukai
  • Method of manufacturing a composite aircraft blade
    Patent number: 11371364
    Abstract: A method of manufacturing a fabric structure for use in manufacturing a composite aircraft blade. The method comprises: combining yarns including both reinforcing material filaments and a matrix material with yarns of reinforcing material filaments and/or yarns including at least one filament of matrix material; or by combining yarns of reinforcing material filaments with yarns including at least one filament of matrix material; or by combining yarns each comprising both reinforcing material filaments and matrix material. Combining may comprise weaving, knitting or braiding. The matrix material may be a thermoplastic.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: June 28, 2022
    Assignee: RATIER-FIGEAC SAS
    Inventors: Kévin Le Meur, Patrice Brion, Ludovic Prunet
  • Epoxy resin-based fibre matrix compositions containing alkyl-substituted ethylene amines
    Patent number: 11365283
    Abstract: Epoxy resin-based fibre matrix compositions contain alkyl substituted ethylene amines such as dimethyldiethylenetriamine (DMDETA, also dimethyl-1,4,7-triazaheptane), as a curing agent. These curing agents are characterized by a short curing time for a comparatively long processing time, and make it possible to obtain cured epoxy resins that exhibit low brittleness and high tensile strength and have a high glass transition temperature; as a result of which the fibre matrix composition is suitable particularly for use in pultrusion and winding processes.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: June 21, 2022
    Assignee: BASF SE
    Inventors: Matthaeus Kopczynski, Ansgar Gereon Altenhoff, Dieter Kolassa, Hannes Ferdinand Zipfel, Christian Eidamshaus, Joerg Pastre
  • Method of producing reclaimed carbon fiber bundles, reclaimed carbon fibers, or reclaimed milled carbon fibers, device for producing reclaimed carbon fiber bundles, method of producing carbon fiber reinforced resin, and reclaimed carbon fiber bundles
    Patent number: 11359060
    Abstract: There are provided a method of producing reclaimed carbon fibers in which, even if a carbon fiber reinforced resin is not heated at 800° C. or higher, pieces of carbon fiber base material that are contained in the carbon fiber reinforced resin can be directly collected, and the variation in the resin residue content in the collected pieces of carbon fiber base material can be reduced, a device for producing reclaimed carbon fibers that can be used in the production method, and a method of producing a carbon fiber reinforced resin in which reclaimed carbon fibers can be effectively used.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: June 14, 2022
    Assignee: Shinryo Corporation
    Inventors: Hirokazu Toyoshima, Tooru Takeda, Takahisa Hara, Koujirou Masuda, Yasuo Yamaguchi, Masatoshi Nakamura, Yousuke Maruta, Masaki Satou
  • Fibrous structures comprising regions having different solid additive levels
    Patent number: 11358182
    Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 14, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Fei Wang, Michael Donald Suer, John Daniel Algers, Cunming Song, Hailing Bao, Antonius Lambertus DeBeer, David John Pung, Steven Lee Barnholtz, Paul Thomas Weisman
  • Prepreg, fiber-reinforced composite material and surface-modified reinforcing fibers
    Patent number: 11352472
    Abstract: The present invention provides a prepreg which is composed of at least a matrix resin and reinforcing fibers, and which is characterized in that: conductive parts are formed on one surface or both surfaces of a fiber layer that is formed of the reinforcing fibers; and the volume resistivity ? (?cm) of the fiber layer in the thickness direction, the thickness t (cm) of the fiber layer and the average interval L (cm) between the conductive parts arranged on the prepreg surface satisfy formula (1). t/?×1/L×100?0.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: June 7, 2022
    Assignee: TEIJIN LIMITED
    Inventors: Kazuma Kurokawa, Tetsuya Akamatsu, Hiroaki Kuwahara
  • Compositions for the treatment of articles, and articles treated therefrom
    Patent number: 11352740
    Abstract: A composition for the treatment of fiber, yarn and fabrics, said composition comprising at least one highly dispersible clay nanoparticle component, at least one silicone polymer component; and water. Also provided is fiber surface treated with these compositions as well as articles including yarns, fabrics and carpets of the surface treated fiber.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: June 7, 2022
    Assignee: INV Performance Surfaces, LLC
    Inventors: Michelle A. Ivy, Carlos Carrillo, Mary Glesner, Keegan Rhoades, Anand Viswanath
  • Carbon fiber complex material and manufacturing method thereof, manufacturing apparatus for carbon fiber complex material, prepreg, and carbon fiber reinforced plastic composite material
    Patent number: 11346046
    Abstract: A carbon fiber complex material for a carbon fiber reinforced plastic composite material includes a carbon fiber material formed from a continuous carbon fiber, and carbon nanowalls formed on a surface of the continuous carbon fiber.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: May 31, 2022
    Assignee: IHI Corporation
    Inventors: Akihiko Yoshimura, Hirotsugu Chishina, Kensuke Hirata
  • Epoxy based reinforcing patches having improved damping loss factor
    Patent number: 11339262
    Abstract: A reinforcing sheet including one or more layers of a reinforcing material, and a thermosetting adhesive associated with the reinforcing material, wherein the thermosetting adhesive includes a curing agent, and an epoxy-modified dimerized fatty acid combined with an epoxy terminated polyurethane interpenetrating network.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: May 24, 2022
    Assignee: Uniseal, Inc.
    Inventors: Thanikaivelan Tindivanam Veeraraghavan, Ramanathan Lakshminarayan, Brandon Allen Willis
  • Yarn manufactured from recycled clothing fibers and process for making same
    Patent number: 11339507
    Abstract: Yarn manufactured from recycled mixed clothing fibers and a process of making yarn manufactured from recycled mixed clothing fibers. Upcycled yarn has approximately 70%-95% of fiber from separated used clothes fibers, whereby separated used clothes fibers have cotton, polyester, nylon, silk, rayon, spandex, synthetic fibers, wool, hemp, carbon fibers, and/or linen. The upcycled yarn also has approximately 5%-30% other fibers that can be recycled fibers and/or virgin fibers, whereby the recycled fiber is recycled polyester from recycled plastic bottles and other sources, recycled cotton, recycled nylon from fishing nets and other sources, and the virgin fiber is nylon, spandex, virgin polyester, hemp, carbon fiber, and/or organic cotton.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: May 24, 2022
    Inventor: Patricia M. Ermecheo
  • Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
    Patent number: 11332852
    Abstract: A method of producing a carbon fiber bundle is provided, involving performing a flame-proof treatment to a carbon-fiber-precursor acryl fiber bundle having a single-fiber fineness of 1.5 dtex or more and 5.0 dtex or less, and having a roundness of 0.7 or more and 0.9 or less in a cross-section shape perpendicular to a fiber axis of the single fiber to obtain a flame-proofed fiber bundle; and performing a carbonization treatment to the flame-proofed fiber bundle.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: May 17, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yuusuke Shinmen, Norifumi Hirota, Takeshi Nii
  • Optimized three dimensional printing using ready-made supports
    Patent number: 11330865
    Abstract: Systems and methods for supporting an object to be printed in an additive manufacturing process are disclosed. Support structures (202, 302, 402, 502, 602) are prefabricated and positioned in the build area of a 3D printing device prior to printing the 3D object. When the object has been printed, the support is removed and can be reused to print another object by repositioning the support structure in the building area of the additive manufacturing device.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: May 17, 2022
    Assignee: Materialise NV
    Inventors: Mingzheng Wang, Jan Welkenhuyzen, Bart Van Der Schueren
  • Electrically conductive film
    Patent number: 11322269
    Abstract: An electroconductive film including a resin layer and an electroconductive layer, wherein the resin layer has a storage elastic modulus at 25° C. of more than 10 MPa and less than 1,000 MPa, and the electroconductive layer has a surface resistance value of 1,000 ?/sq. or less.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: May 3, 2022
    Assignee: ZEON CORPORATION
    Inventors: Kenichi Harai, Satoshi Tazaki, Kazuyuki Obuchi