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    Connection member for vehicle structure
    2.
    发明授权
    Connection member for vehicle structure 有权

    公开(公告)号：US12179845B2

    公开(公告)日：2024-12-31

    申请号：US17911716

    申请日：2021-03-12

    Applicant: ARISAWA MFG. CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Hiroshi Tanaka ,  Tetsuya Kobayashi ,  Takashi Yamamoto ,  Hiroko Suzuki

    IPC: B32B1/08 ,  B32B5/06 ,  B32B5/22 ,  B62D25/20 ,  B62D29/04 ,  F16C7/02

    Abstract: An object of the present invention is to provide an innovative and highly practical connection member for a vehicle structure. The present invention is a connection member for a vehicle structure equipped with at least two connection sections (2) that are used in the vehicle structure and that connect appropriate sites within the vehicle structure, the connection member for a vehicle structure being characterized in having a layered structure section (1) configured by impregnating a layered body (4) in which a plurality of fiber bodies (3) have been layered with a matrix resin and curing the impregnated layered body, and employing, as the fiber bodies (3), bodies in which bundles of unidirectionally aligned carbon fibers (5) have been interwoven with thermally fusible fibers (6).

    Prepreg and method for manufacturing molded prepreg article
    5.
    发明授权
    Prepreg and method for manufacturing molded prepreg article 有权

    公开(公告)号：US11865794B2

    公开(公告)日：2024-01-09

    申请号：US16976786

    申请日：2018-03-15

    Applicant: ARISAWA MFG. CO., LTD. ,  Ikumi Uchiyama

    Inventor： Akira Uchiyama ,  Hiroshi Tanaka ,  Masaaki Hirai

    IPC: B29C70/22 ,  C08J5/24 ,  B29K63/00 ,  B29K75/00

    CPC classification number: B29C70/22 ,  C08J5/243 ,  B29K2063/00 ,  B29K2075/00 ,  C08J2371/12 ,  C08J2375/14 ,  C08J2471/12 ,  C08J2475/14

    Abstract: The present invention provides a prepreg that has high impact resistance despite being an all-carbon-fiber FRP (CFRP), the prepreg moreover enabling a molding time to be set to five minutes or less and making it possible to reduce molding costs. This prepreg is obtained by impregnating carbon fiber with a matrix resin comprising a mixture of a thermoplastic resin, a thermosetting resin, and a curing agent, wherein: the thermoplastic resin is a phenoxy resin; the thermosetting resin is a urethane acrylate resin; the thermoplastic resin and the thermosetting resin are compounded in a mass ratio of 15:85-35:65 (thermoplastic resin/thermosetting resin); and the curing agent causes cross-linking to occur due to a radical polymerization reaction, and is formed so as to include first and second peroxides having mutually different initiation temperatures, initiation of the second peroxide starting at a temperature at which termination of the first peroxide occurs.

    LAMINATE
    8.
    发明申请
    LAMINATE 有权

    公开(公告)号：US20210348276A1

    公开(公告)日：2021-11-11

    申请号：US17273908

    申请日：2019-09-04

    Applicant: Arisawa Mfg. Co., Ltd.

    Inventor： Kenji Nakamura ,  Yoshihiko Konno ,  Hiroyuki Matsuyama ,  Makoto Tai ,  Shuichi Fujita

    IPC: C23C18/28 ,  H05K1/03 ,  H05K3/00 ,  H05K3/38

    Abstract: A laminate comprising a substrate; and a plating-forming layer disposed on at least one surface of both surfaces of the substrate and containing a thermoplastic resin and a plating catalyst, wherein the plating-forming layer further satisfies conditions of the following (1) and/or (2),
    (1) the plating-forming layer contains a dispersing agent for dispersing the plating catalyst (2) an abundance of the plating catalyst on a surface side of the plating-forming layer is higher than an abundance of the plating catalyst on the substrate side of the plating-forming layer.

    Low-dielectric resin composition
    9.
    发明授权
    Low-dielectric resin composition 有权

    公开(公告)号：US10982093B2

    公开(公告)日：2021-04-20

    申请号：US15549657

    申请日：2016-02-08

    Applicant: ARISAWA MFG. CO., LTD.

    Inventor： Kazuo Yoshikawa ,  Makoto Tai ,  Nobuyuki Iwano

    IPC: C08L75/04 ,  B32B27/20 ,  B32B15/20 ,  B32B15/08 ,  H05K1/03 ,  B32B7/06 ,  B32B7/12 ,  B32B27/08

    Abstract: The present invention provides a low-dielectric resin composition comprising (A) a urethane resin obtained by reacting a polycarbonate diol and an isocyanate, (B) an epoxy resin, and (C) a filler, wherein the (A) urethane resin has a carboxyl group equivalent weight of 1,100 to 5,700 g/eq; the epoxy equivalent weight of the (B) epoxy resin is 0.3 to 4.5 equivalents per 1.0 equivalent of the carboxyl group of the (A) urethane resin, the (A) urethane resin has a weight-average molecular weight of 5,000 to 80,000; the (A) urethane resin has a polycarbonate content of 35% by mass or lower; the resin composition comprises 50 parts by mass or less of the (C) filler per 100 parts by mass of the (A) urethane resin; and the resin composition comprises substantially no imido group.

    PRESSURE VESSEL
    10.
    发明申请
    PRESSURE VESSEL 审中-公开

    公开(公告)号：US20190329202A1

    公开(公告)日：2019-10-31

    申请号：US16462072

    申请日：2017-06-23

    Applicant: ARISAWA MFG. CO., LTD.

    Inventor： Hiroshi TANAKA ,  Yuichi KAWAI ,  Mikio KURODA

    IPC: B01J3/04 ,  B01D61/08

    Abstract: Provided is a highly practical pressure vessel in which there is minimal inside diameter deformation even if openings in a center inlet/outlet part are large, and there is little pressure-induced elongation from a center to both ends. This pressure vessel is composed of a tube body made of a fiber-reinforced resin, wherein: a center inlet/outlet part that lets a liquid in or out is provided to a tube-body-axial center part on a peripheral surface of the tube body; end-part inlet/outlet parts that let a fluid in or out are provided to tube-body-axial end parts of the tube body; the tube body is configured from a helical layer of which fibers are inclined at an angle of from ±40° to less than ±50° relative to a tube-body-axial direction, a reinforcing layer of which fibers are inclined at a greater angle than the helical layer relative to the tube-body-axial direction, and a seal layer constituting an innermost layer; a breakaway part that breaks away circumferentially outward from the seal layer is provided to a position on the helical layer where the center inlet/outlet part is provided; the reinforcing layer is configured from an inward reinforcing layer and an outward reinforcing layer provided respectively to inward and outward sides of the helical layer so as to enclose the breakaway part of the helical layer therebetween; and the center inlet/outlet part is provided so as to penetrate the inward reinforcing layer, the breakaway part of the helical layer, and the outward reinforcing layer.

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