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公开(公告)号：US20240359450A1
公开(公告)日：2024-10-31
申请号：US18766295
申请日：2024-07-08
Applicant: Toray Industries, Inc.
Inventor： Kotaro Shinohara , Masato Honma
CPC classification number: B32B37/06 , B32B5/12 , B32B5/263 , B32B7/022 , B32B27/08 , B32B2250/02 , B32B2250/24 , B32B2260/046 , B32B2262/106 , B32B2305/076 , B32B2305/08 , B32B2305/10 , B32B2307/514 , B32B2307/538 , B32B2307/722 , B32B2307/732 , B32B2313/04
Abstract: A composite prepreg and a fiber-reinforced plastic molded body are described that are excellent in secondary weldability with another member and exhibit excellent handleability and reinforcing characteristics, where the composite prepreg in which reinforcing fibers are impregnated with a thermoplastic resin and a thermosetting resin, and a thermoplastic resin layer and a thermosetting resin layer that form an interface and joined to each other are formed, wherein the thermoplastic resin layer is present on at least one surface of the composite prepreg, and the thermoplastic resin layer contains continuous reinforcing fibers.
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2.发明公开公开(公告)号：US20240059031A1
公开(公告)日：2024-02-22
申请号：US18278880
申请日：2022-03-17
Applicant: Toray Industries, Inc.
Inventor： Kentaro Adachi , Masato Honma , Hiroaki Matsutani
CPC classification number: B29C70/46 , B29C70/12 , B29B15/105 , B29C70/742
Abstract: A prepreg laminate is described that is a fiber-reinforced plastic material having high rigidity, lightweight properties and excellent moldability, where the prepreg laminate is obtained by a prepreg (A), in which non-continuous reinforcing fibers are impregnated with a thermosetting resin or thermoplastic resin, and a prepreg (B), in which non-continuous reinforcing fibers are impregnated with a thermoplastic resin, being laminated adjacent to each other, and by the prepreg (A) being disposed on at least one surface, at least some combinations of the prepreg (A) and the prepreg (B) adjacent to each other forming an overlap region that satisfies at least one of the requirements (1) and (2) as defined.
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公开(公告)号：US20230407018A1
公开(公告)日：2023-12-21
申请号：US18035391
申请日：2021-10-27
Applicant: Toray Industries, Inc.
Inventor： Jun Misumi , Kyoko Shinohara , Masato Honma
CPC classification number: C08J5/042 , B32B5/02 , B32B5/26 , C08J2363/00 , B32B2260/023 , B32B2260/046 , B32B2262/106 , B32B2250/05 , B32B2250/20 , B32B2307/538 , B32B2307/54
Abstract: An object is to provide a fiber-reinforced resin that can be welded to another member via a thermoplastic resin and that is less likely to be damaged even when welded at a high temperature, wherein the fiber-reinforced resin includes a reinforcing fiber and has a cured epoxy resin region and a thermoplastic resin region disposed at the surface wherein aromatic rings account for 50% or more and 90% or less of the cured epoxy resin present in the cured epoxy resin region.
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公开(公告)号：US11800656B2
公开(公告)日：2023-10-24
申请号：US16325342
申请日：2017-09-25
Applicant: TORAY INDUSTRIES, INC.
Inventor： Mitsushige Hamaguchi , Takashi Fujioka , Masato Honma
IPC: H05K5/02 , B32B5/28 , B29B7/90 , B29B9/06 , B29B9/14 , B29C45/14 , B32B5/02 , B32B27/12 , B32B27/20 , B29K63/00 , B29L31/34
CPC classification number: H05K5/0217 , B29B7/90 , B29B9/06 , B29B9/14 , B29C45/14336 , B32B5/022 , B32B5/28 , B32B27/12 , B32B27/20 , B29K2063/00 , B29K2713/00 , B29L2031/34 , B32B2457/00
Abstract: The invention aims to provide an electronic device housing that can maintain the antenna performance without deteriorating the radio communication performance, ensures uniform characteristics as one molded electronic device housing in spite of consisting of a plurality of members, and show excellent features in terms of the degree of warpage and dimensional accuracy as well as small deformation in high temperature environments and high mass productivity. The electronic device housing consists mainly of a fiber reinforcing member (a) and a fiber reinforcing member (b), the fiber reinforcing member (a) containing a resin (a1) and a fiber (a2), the fiber reinforcing member (b) containing a resin (b1) and a fiber (b2), the fiber reinforcing member (a) and the fiber reinforcing member (b) being joined directly without the existence of another layer at the joining face between the fiber reinforcing member (a) and the fiber reinforcing member (b), and the fiber reinforcing member (a) and the fiber reinforcing member (b) fulfilling a specific relation in terms of linear expansion coefficient and/or bending elastic modulus.
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公开(公告)号：US11794385B2
公开(公告)日：2023-10-24
申请号：US16641447
申请日：2018-08-24
Applicant: Toray Industries, Inc.
Inventor： Takafumi Suzuki , Yuichiro Sento , Naokichi Imai , Mitsushige Hamaguchi , Masato Honma
CPC classification number: B29C45/0025 , B29C45/14631 , B32B27/08 , C08J5/24 , B32B2262/10 , B32B2307/546 , B32B2307/7376 , C08J2363/00 , Y10T428/24994 , Y10T428/249933
Abstract: The following configuration is adopted for the purpose of solving reduction in strength and rigidity at a weldline which is a problem of an injection molding body, and enabling free design such as thin wall molding or complex shape molding of the injection molding body. That is, there is provided
an integrally molded body in which a substrate for reinforcement (a) having a discontinuous fiber (a1) and a resin (a2) and an injection molding body (b) having a discontinuous fiber (b1) and a resin (b2) are integrated, the substrate for reinforcement (a) covering a part or all of a weldline of the injection molding body (b) to be integrated with the injection molding body (b),
the ratio of thickness Ta of the substrate for reinforcement (a) to thickness T of a weldline part of the integrally molded body satisfying relational expression:
in a case of Ea≠Ebw,
Ta/T≤((Ebw−√(Ea·Ebw))/(Ebw−Ea))
in a case of Ea=Ebw,
Ta/T≤0.5
wherein, Ta: Thickness of substrate for reinforcement (a),
T: Thickness of weldline part of integrally molded body,
Ea: Flexural modulus of substrate for reinforcement (a) in width direction of weldline, and
Ebw: Flexural modulus of weldline of injection molding body (b) in width direction of weldline.-
Patent Agency Ranking
公开(公告)号：US20220410502A1
公开(公告)日：2022-12-29
申请号：US17778073
申请日：2020-11-16
Applicant: Toray Industries, Inc.
Inventor： Naokichi Imai , Kotaro Shinohara , Masato Honma
Abstract: An object of the present invention is to obtain a fiber-reinforced composite material achieving both lightweight properties and mechanical properties at a high level. The present invention is a fiber-reinforced composite material including: a resin (A); and a reinforcing fiber (B), and including: a fiber-reinforced structure portion including an in-plane orientation portion having an average fiber orientation angle of the reinforcing fiber (B) of 0° or more and 45° or less and an out-of-plane orientation portion having an average fiber orientation angle of the reinforcing fiber (B) of more than 45° and 90° or less; and a cavity portion defined by the in-plane orientation portion and the out-of-plane orientation portion of the fiber-reinforced structure portion.
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公开(公告)号：US20220402258A1
公开(公告)日：2022-12-22
申请号：US17779713
申请日：2020-11-12
Applicant: Toray Industries, Inc.
Inventor： Kotaro Shinohara , Masato Honma
Abstract: A composite prepreg and a fiber-reinforced plastic molded body are described that are excellent in secondary weldability with another member and exhibit excellent handleability and reinforcing characteristics, where the composite prepreg in which reinforcing fibers are impregnated with a thermoplastic resin and a thermosetting resin, and a thermoplastic resin layer and a thermosetting resin layer that form an interface and joined to each other are formed, wherein the thermoplastic resin layer is present on at least one surface of the composite prepreg, and the thermoplastic resin layer contains continuous reinforcing fibers.
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公开(公告)号：US20210154952A1
公开(公告)日：2021-05-27
申请号：US16965382
申请日：2019-03-25
Applicant: Toray Industries, Inc.
Inventor： Yoshiki Takebe , Kotaro Shinohara , Masato Honma
Abstract: Provided is a molded article that has both a low specific gravity and high rigidity and further has suppressed wrinkles and scrapes, and a manufacturing method for the same. Hence, provided is a press-molded article manufacturing method for press-molding a sheet-shaped molding substrate that is disposed in a cavity of a molding die and contains reinforcing fibers randomly dispersed in a matrix resin using a press molding machine provided with a molding die that is a convex molding die provided with a cavity formed between a concave mold for forming an opening of a molded article and a convex mold that matches with the concave, and has at least one surface (B) on which a pressure is loaded in a range of 0% to 70% of a pressure loaded on a surface (A) when the pressure loaded on the surface (A) from the press molding machine is 100% with respect to the surface (A) orthogonal to a direction of pressure applied to the molding die from the press molding machine, the press-molded article manufacturing method comprising: a shaping step (III) of loading a surface pressure of 1 MPa or more as an external pressure from the press molding machine to the surface (A); and a pressure holding step (IV) of setting a pressure loaded as an external pressure from the press molding machine on the molding substrate to 0.1 MPa or less without releasing the molding die after the shaping step (III).
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公开(公告)号：US10994510B2
公开(公告)日：2021-05-04
申请号：US16471242
申请日：2017-12-20
Applicant: TORAY INDUSTRIES, INC.
Inventor： Yoshiki Takebe , Masato Honma
IPC: B32B5/12 , B32B7/03 , B29C43/20 , B29C70/14 , B29C70/34 , B29C70/46 , B32B3/26 , B32B5/26 , B32B7/02 , B32B27/08 , B32B38/00
Abstract: A composite structure includes a structure that contains first reinforced fibers and first resin and a laminate that is disposed on at least one surface of the structure and has a plurality of layers containing second reinforced fibers and second resin, with the structure and the laminate integrated, the first reinforced fibers being discontinuous fibers and having a thickness-wise average fiber orientation angle in a range of 5 to 60°, the second reinforced fibers being discontinuous fibers and having a thickness-wise average fiber orientation angle in a range of 0 to 5°, the structure having a density in a range of 0.01 to 1 g/cm3, the laminate having a variation in volume content of the second reinforced fibers in a range of 0 to 10%, and the composite structure having a protruding portion on a laminate's surface opposite from a laminate's surface in contact with the structure.
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公开(公告)号：US20210009783A1
公开(公告)日：2021-01-14
申请号：US16980634
申请日：2019-03-28
Applicant: Toray Industries, Inc.
Inventor： Takashi Fujioka , Kotaro Shinohara , Masato Honma
Abstract: Provided is a method for producing a molded article having a thin film layer (B) formed on a surface of a porous body (A). The method includes a process (I) and a process (II) described below in this order:
process (I): forming the thin film layer (B) on a surface of a precursor (a) of the porous body (A) to obtain a preform, and
process (II): expanding and molding the precursor (a) to the porous body (A).
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