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    • 1. 发明授权
    • Ball for ball game and molding apparatus for forming the same
    • 用于球形游戏的球和用于形成球的游戏和成型装置
    • US5380185A
    • 1995-01-10
    • US95419
    • 1993-07-22
    • Hideomi ShishidoShigeo DoiMasanori HirakiuchiHajime Okimoto
    • Hideomi ShishidoShigeo DoiMasanori HirakiuchiHajime Okimoto
    • A63B41/00A63B45/00B29C45/44B29C45/36B29C45/40
    • A63B41/00A63B45/00B29C45/4407A63B2243/0025Y10S425/01
    • A molding apparatus for injection-molding a hemispherical hollow body formed of a thermoplastic elastomer and having a valve formed integrally therewith. The apparatus includes a first mold having a hemispherical convex molding surface, a second mold having a hemispherical concave molding surface larger in size than the convex molding surface. The second mold is superposed on the first mold to form a molding cavity for the hollow body. A first valve mold is removably mounted at the center of the hemispherical convex molding surface of the first mold, for forming the valve and an inside and small-diameter portion of a valve rubber insertion hole of the valve. A second valve mold is removably mounted at the center of the hemispherical concave molding surface, for forming an intermediate and large-diameter portion of the valve rubber insertion hole and an outside and small-diameter portion thereof while forming a cavity for the valve in cooperation with the first valve mold. The second valve mold includes a diametrically-enlarged portion provided at a lower end of the second valve mold for downwardly pushing the formed hollow body when the second valve mold is engaged to the second mold after the second valve is removed from the second mold.
    • 一种用于注射成型由热塑性弹性体形成的半球形中空体并具有与其一体形成的阀的成型装置。 该装置包括具有半球形凸模制表面的第一模具,具有比凸模制表面更大尺寸的半球形凹模成型表面的第二模具。 第二模具叠置在第一模具上以形成用于中空体的模制腔体。 第一阀模具可移除地安装在第一模具的半球形凸形成型表面的中心处,用于形成阀和阀的阀橡胶插入孔的内径和小直径部分。 第二阀模具可拆卸地安装在半球状凹形成型表面的中心处,用于形成阀橡胶插入孔的中间和大直径部分及其外部和小直径部分,同时形成用于阀门的空腔 与第一个阀门模具。 第二阀模具包括设置在第二阀模具的下端处的径向扩大部分,用于在第二阀门从第二模具移除之后第二阀模具接合到第二模具时向下推动形成的中空体。
    • 7. 发明授权
    • Ball game ball
    • 球球游戏
    • US06503162B1
    • 2003-01-07
    • US09700615
    • 2000-11-17
    • Hideomi ShishidoShigeo DoiYoshihisa Okimura
    • Hideomi ShishidoShigeo DoiYoshihisa Okimura
    • A63B4110
    • A63B41/08A63B2243/0025
    • A ball for a ball game includes an elastic bladder having the form of a spherical hollow body into which compressed air is charged, a reinforced layer formed on a whole surface of the bladder, and a plurality of leather panels bonded onto the reinforced layer directly or through a cover rubber layer, wherein a peripheral edge portion of the leather panel is folded toward an inside and a thickness adjusting member for eliminating a difference in step caused by the folding of the leather panel is caused to be bonded onto the back of the leather panel surrounded by the folded portion of the leather panel.
    • 用于球赛的球包括弹性囊,其具有球形中空体的形式,压缩空气被装入其中,加强层形成在气囊的整个表面上,以及多个皮革面板直接粘合在加强层上 通过覆盖橡胶层,其中皮革面板的周边部分朝向内部折叠,并且将用于消除由皮革面板的折叠引起的步骤差异的厚度调节构件粘合到皮革的背面上 面板由皮革面板的折叠部分包围。