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公开(公告)号：US20230016964A1
公开(公告)日：2023-01-19
申请号：US17791014
申请日：2020-12-17
发明人： Tsukasa KATSUMATA , Kiyoka TAKAGI , Naoaki FUJIWARA , Sota KAMO , Kosuke OKA , Kazuki OHASHI
摘要： A joint structure includes a reinforcement portion that is formed by joining a composite material and a reinforcing material through an adhesive. The composite material includes a plate portion that is formed by laminating a plurality of fiber sheets, and a raised portion that is formed by laminating a plurality of fiber sheets in addition to the plurality of fiber sheets of the plate portion, and surfaces of the plate portion and the raised portion are covered with a single fiber sheet. The reinforcement portion includes the raised portion and the reinforcing material that is bonded to the raised portion through an adhesive. A first boundary between the plate portion and the raised portion and a second boundary between the raised portion and the reinforcing material are located at different positions in an in-plane direction of a laminated interface between the fiber sheets that are laminated.
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公开(公告)号：US20210078262A1
公开(公告)日：2021-03-18
申请号：US16767328
申请日：2018-11-01
发明人： Sota KAMO , Kiyoka TAKAGI , Naomoto ISHIKAWA , Hideki HORIZONO , Wataru NISHIMURA , Toshiyuki TAKAYANAGI , Nobuyuki KAMIHARA , Naoaki FUJIWARA , Tsukasa KATSUMATA , Kazuki OHASHI
摘要： A desired shape can be easily realized, and a decrease in strength can be inhibited. A method for producing a composite material includes: an insertion step of inserting an inner member in which a second reinforcing fiber is impregnated with a resin into a space of an outer member that is formed of a woven first reinforcing fiber extending in an undulating manner, the outer member including an opening that is provided at at least one end portion and the space that communicates with the opening; and a composite material forming step of forming a composite material in which the outer member and the inner member are joined to each other by curing the resin of the inner member to join the outer member and the inner member to each other.
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