Shoe upper and method for producing shoe upper

    公开(公告)号:US11950658B2

    公开(公告)日:2024-04-09

    申请号:US16959131

    申请日:2019-12-25

    Inventor: Daisuke Sawada

    CPC classification number: A43B3/26 A43B23/0235 A43B23/0245

    Abstract: Provided is a shoe upper that includes an upper body including a region having elasticity, and a film arranged in the region, in which the film has a heat shrinkage rate of 30% or more at least in one direction. Also provided is a method for producing a shoe upper that includes: a preparation step of preparing an upper body including a region having elasticity; an arrangement step of arranging a film in the region of the upper body, in which the film has a heat shrinkable rate of 30% or more at least in one direction; an attachment step of attaching the upper body to a shoe last or foot; and a heating step of, after the arrangement step and the attachment step, heating the upper body with the film arranged thereon to thereby allow the film to shrink to conform to the shoe last or foot.

    Injection molded article and shoe

    公开(公告)号:US11261320B2

    公开(公告)日:2022-03-01

    申请号:US17253109

    申请日:2019-08-06

    Inventor: Daisuke Sawada

    Abstract: In order to provide an injection molded article that is able to be easily produced so that a molding surface of a forming mold is accurately reflected on the injection molded article, and, in order to provide a shoe having a shoe part excellent in appearance, the shoe part is formed of an elastomer composition showing a certain heat melting characteristics.

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