Lined closure
    3.
    发明授权
    Lined closure 失效
    内衬封闭

    公开(公告)号:US4340149A

    公开(公告)日:1982-07-20

    申请号:US201608

    申请日:1980-10-28

    CPC分类号: B65D53/00 B29C70/80 B65D53/04

    摘要: 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.

    摘要翻译: 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。

    Bottle for carbonated drink
    4.
    发明授权
    Bottle for carbonated drink 失效
    碳酸饮料瓶

    公开(公告)号:US4421804A

    公开(公告)日:1983-12-20

    申请号:US301412

    申请日:1981-09-11

    摘要: Disclosed is a bottle for a carbonated drink, which is formed by biaxial draw-blow molding of a polyester containing a surface active agent and being composed mainly of ethylene terephthalate units, wherein at least the barrel wall portion of the bottle is molecularly oriented biaxially so that the density is at least 1.34 g/cm.sup.3 as measured at 20.degree. C., and the surface active agent is distributed in the surface of the barrel wall portion so that the contact angle of the surface of the barrel wall portion to water is not larger than 76.degree..In this bottle, the speed of transfer of carbon dioxide gas from the liquid phase of the drink to the gas phase at the time of opening the bottle is controlled to a very low level. Accordingly, occurrence of the cap missile phenomenon at the time of removing the cap from the bottle or reduction of the carbon dioxide content in the drink at the time of repeating sealing and opening of the bottle can effectively be prevented.

    摘要翻译: 公开了一种碳酸饮料瓶,其通过双轴拉伸吹塑成型含有表面活性剂的聚酯而形成,主要由对苯二甲酸乙二醇酯单元组成,其中瓶的至少筒壁部分分子取向为双轴向 密度在20℃下测定为至少1.34g / cm 3,表面活性剂分布在筒壁部分的表面,使得筒​​壁部分的表面与水的接触角不是 大于76度。 在该瓶中,将饮料液相中的二氧化碳气体向打开瓶子时的气相转移速度控制在非常低的水平。 因此,可以有效地防止在重复密封和打开瓶子时从瓶子上取下帽子或者饮料中二氧化碳含量的降低时发生帽子导弹现象。