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    JOINED BODY
    2.
    发明申请
    JOINED BODY 有权

    公开(公告)号：US20210324889A1

    公开(公告)日：2021-10-21

    申请号：US17271765

    申请日：2019-10-23

    Applicant: NHK Spring Co., Ltd.

    Inventor： Masaru Takimoto ,  Toshihiko Hanamachi ,  Junichi Nakayama

    IPC: F16B5/06

    Abstract: A joined body includes: a main body section including a wall section forming a passage along which a medium for accelerating heat exchange flows; and a cover configured to cover a surface of the main body section, the cover including: a covering section provided on a side facing the main body section and configured to cover the surface; a groove section provided on the side facing the main body section and configured to accommodate an end portion of the wall section; and a stirred joint section provided on a side opposite to a side where the covering section and the groove section are provided, the stirred joint section being at least partly frictionally stirred by a depth reaching a bottom of the groove section from a surface on a side opposite to the side facing the main body section and bonded to the end portion of the wall section.

    LAMINATE AND METHOD OF FABRICATING LAMINATE
    3.
    发明申请
    LAMINATE AND METHOD OF FABRICATING LAMINATE 审中-公开
    层压板及其制造方法

    公开(公告)号：US20170058406A1

    公开(公告)日：2017-03-02

    申请号：US15123021

    申请日：2015-02-25

    Applicant: NHK Spring Co., Ltd.

    Inventor： Masaru Takimoto ,  Yuichiro Yamauchi ,  Satoshi Hirano ,  Naoya Aikawa

    IPC: C23C24/04

    CPC classification number: C23C24/04 ,  B32B15/01

    Abstract: A laminate includes: a substrate; and a metallic coating that is formed from copper powder containing 0.002% to 0.020% by weight of phosphorus and having been subjected to reduction treatment, the metallic coating being deposited on the substrate.

    Abstract translation: 层压体包括：基材; 以及由含有0.002〜0.020重量％的磷并经过还原处理的铜粉形成的金属被膜，金属被膜沉积在基板上。

    JOINING METHOD AND JOINED BODY
    5.
    发明申请
    JOINING METHOD AND JOINED BODY 有权

    公开(公告)号：US20220009022A1

    公开(公告)日：2022-01-13

    申请号：US17413680

    申请日：2019-12-13

    Applicant: NHK Spring Co., Ltd.

    Inventor： Toshihiko Hanamachi ,  Daisuke Fujino ,  Masaru Takimoto ,  Yoshihito Araki ,  Masahiro Fujii

    IPC: B23K20/02 ,  B23K20/00 ,  B23K20/233

    Abstract: A joining method of joins a main body and a cover, the main body being a flat plate and made of aluminum or an aluminum alloy and including a passage through which a medium for promoting heat exchange is circulated, and the cover being a flat plate and made of aluminum or an aluminum alloy and configured to cover the passage of the main body. The method includes: a covering step of covering the main body with the cover; and a diffusion bonding step of joining the main body and the cover by diffusion bonding under a condition in which a joining temperature is 500° C. or higher and 640° C. or lower, and a joining surface pressure is 0.7 MPa or higher. Each of a joining surface of the main body and a joining surface of the cover has a flatness of 0.2 or less.

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