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    • 7. 发明授权
    • Lined closure
    • 内衬封闭
    • US4340149A
    • 1982-07-20
    • US201608
    • 1980-10-28
    • Fumio MoriGunji MatsudaToshihiko YoshidaShigeru Nagashima
    • Fumio MoriGunji MatsudaToshihiko YoshidaShigeru Nagashima
    • B65D53/06B29C70/80B65D53/00B65D53/04
    • B65D53/00B29C70/80B65D53/04
    • A cap adapted for use as a container cover where the cap has a thermoplastic resin liner pressed formed onto the inner surface of a cap shell. The plastic liner is formed such that the difference between the intrasurface orientation index of the outer peripheral portion of the liner and the intrasurface orientation index of the central portion of the liner does not exceed 0.37 where the intrasurface orientation index is defined as the sum of the orientation coefficient of the liner in the radial direction and the orientation coefficient of the liner in the circular direction.A method of making a cap having a thermoplastic liner where the liner is press-formed into shape under conditions whereby the difference between the intrasurface orientation index of the outer peripheral portion of the liner and the orientation index of the central portion of the liner does not exceed 0.37.
    • 适于用作容器盖的盖,其中帽具有压制形成在帽壳的内表面上的热塑性树脂衬里。 塑料衬套形成为使得衬套的外周部分的表面内取向指数与衬套的中心部分的表面内取向指数之间的差不超过0.37,其中表面内取向指数被定义为 衬垫在径向上的取向系数和衬垫在圆周方向上的取向系数。 一种制造具有热塑性衬垫的帽的方法,其中衬垫在形状上被压制成形,其中衬垫的外周部分的表面内取向指数与衬垫的中心部分的取向指数之间的差不在 超过0.37。