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    GLASS COMPOSITION FOR GLASS FIBERS, GLASS FIBER, AND GLASS FIBER-REINFORCED RESIN MOLDED ARTICLE
    1.
    发明公开
    GLASS COMPOSITION FOR GLASS FIBERS, GLASS FIBER, AND GLASS FIBER-REINFORCED RESIN MOLDED ARTICLE 审中-公开

    公开(公告)号：EP4299541A1

    公开(公告)日：2024-01-03

    申请号：EP22832776.3

    申请日：2022-06-10

    申请人： Nitto Boseki Co., Ltd.

    发明人： NUKUI, Yosuke ,  KOMUKAI, Tatsuya

    IPC分类号： C03C13/02 ,  B29C70/12 ,  B29C70/28

    摘要： Provided is a glass composition for glass fiber that has a broad working temperature range and can suppress occurrence of a difference in an elastic modulus from that of E-glass fiber. The glass composition for glass fiber includes 45.60 to 59.00% by mass of SiO 2 , 0.00 to 8.00% by mass of B 2 O 3 , 10.00 to 16.00% by mass of Al 2 O 3 , 17.00 to 25.00% by mass of CaO, 0.01 to 9.50% by mass of TiO 2 , less than 0.03% by mass of P 2 O 5 , 0.00 to 9.50% by mass of ZnO, 0.00 to 2.00% by mass of SO 3 , 0.01 to 11.50% by mass in total of ZnO and SO 3 , and 0.00 to 2.00% by mass in total of Li 2 O, Na 2 O, and K 2 O, with respect to the total amount. The SiO 2 content SI, the B 2 O 3 content B, the TiO 2 content T, the ZnO content Z, and the SO 3 content SO satisfy the following formula (1). 1.79 ≤ SI / B × T / Z + SO 1 / 4 ≤ 122.98

    LASER PROCESSING METHOD, AND LASER PROCESSING DEVICE
    2.
    发明公开
    LASER PROCESSING METHOD, AND LASER PROCESSING DEVICE 审中-公开

    公开(公告)号：EP4046742A1

    公开(公告)日：2022-08-24

    申请号：EP19953018.9

    申请日：2019-11-22

    申请人： Mitsubishi Heavy Industries, Ltd.

    发明人： GOYA, Saneyuki ,  INOUE, Akiko ,  NARITA, Ryuichi ,  OKUDA, Akihisa ,  OZAKI, Ryota ,  SHIMIZU, Masahiko ,  MORI, Hiroki

    IPC分类号： B23K26/38 ,  B29C70/28

    摘要： The objective of the present invention is to suppress inter-layer peeling. This laser processing method for performing a cutting process to cut a base material, including a first layer and a second layer which is stacked onto one surface of the first layer, and which has a different thermal expansion coefficient to the first layer, by radiating laser light onto the base material, includes a step of radiating the laser light onto a first inter-layer part under prescribed first inter-layer conditions, to cut the first inter-layer part, which extends from a position in the vicinity of a layer boundary inward of the surface of the second layer, through the layer boundary between the second layer and the first layer, to a position in the vicinity of a layer boundary inward of said one surface of the first layer, and a step of radiating the laser light onto a part of the first layer inward from the position in the vicinity of the layer boundary, under first conditions, to cut the first layer, wherein the first inter-layer condition is a condition under which the amount of heat input by the laser light is less than under the first condition.

    METHOD FOR PRODUCING CYCLOOLEFIN RESIN-DECORATIVE MOLDED ARTICLE
    3.
    发明公开
    METHOD FOR PRODUCING CYCLOOLEFIN RESIN-DECORATIVE MOLDED ARTICLE 审中-公开

    公开(公告)号：EP3960414A1

    公开(公告)日：2022-03-02

    申请号：EP20795972.7

    申请日：2020-04-20

    申请人： RIMTEC Corporation

    发明人： TAKEUCHI, Masaki

    IPC分类号： B29C39/12 ,  B29C45/16 ,  B29C70/28

    摘要： Provided is a method for producing a decorated cycloolefin resin molded article, the method comprising curing a gel coat composition and polymerizing a cycloolefin polymerizable composition containing a radical generator while the gel coat composition is in contact with the cycloolefin polymerizable composition, thereby obtaining a decorated cycloolefin resin molded article including a gel coat and a cycloolefin resin layer adhering to each other.

    JIG FOR PRODUCING COMPOSITE MATERIAL STRUCTURE AND METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING COMPOSITE MATERIAL STRUCTURE
    5.
    发明公开
    JIG FOR PRODUCING COMPOSITE MATERIAL STRUCTURE AND METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING COMPOSITE MATERIAL STRUCTURE 审中-公开

    公开(公告)号：EP3912785A1

    公开(公告)日：2021-11-24

    申请号：EP20741299.0

    申请日：2020-01-17

    申请人： Kawasaki Jukogyo Kabushiki Kaisha

    发明人： SANA, Toshikazu

    IPC分类号： B29C33/76 ,  B29C43/10 ,  B29C43/36 ,  B29C70/28

    摘要： A composite material structure manufacturing jig (10) is used when manufacturing a composite material structure by adhering prepreg to a framework structure including a frame component that includes a channel extending along a longitudinal direction of the frame component. The composite material structure manufacturing jig (10) is inserted in the channel of the frame component and used therein. The jig (10) includes a tubular body (11) formed of an elastic material containing a reinforcement fiber, the body (11) including a trapezoidal transverse section that is a cross section orthogonal to a longitudinal direction of the body (11), the trapezoidal transverse section including an upper base and a lower base longer than the upper base. An inner surface of the body (11) is coated with an inner peripheral film (16) serving as a gas barrier layer.