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    • 2. 发明授权
    • Bottle closure
    • 瓶盖关闭
    • US4434904A
    • 1984-03-06
    • US383486
    • 1982-06-01
    • Richard D'AmicoThomas A. FowlesDavid A. Winchell
    • Richard D'AmicoThomas A. FowlesDavid A. Winchell
    • B65D55/02B65D41/32
    • B65D55/02
    • A plastic container and a three-piece closure system therefor are disclosed. The container has a threaded neck defining a dispensing outlet. A separate closure covers the dispensing outlet and is heat-sealed to the threaded neck, forming a frangible section which may be broken to remove the closure. An internally threaded jacking ring is threadedly received on the neck, and includes a plurality of inwardly directed flexible fingers, which snap into an annular groove in the closure when the jacking ring is threaded onto the neck. To break the frangible portion and open the container, the jacking ring is rotated in the direction to remove it, so that the jacking ring fingers press against the top edge of the recess in the closure and actually pry the closure away from the container neck.
    • 公开了一种塑料容器及其三件封闭系统。 容器具有限定出分配出口的螺纹颈部。 单独的封闭件覆盖分配出口并且被热密封到螺纹颈部,形成易碎部分,该部分可能被破坏以移除封闭件。 内螺纹起重环螺纹地容纳在颈部上,并且包括多个向内指向的柔性指状物,当顶起环螺纹连接到颈部上时,该弹性指状物卡入封闭物中的环形槽中。 为了破坏易碎部分并打开容器,顶起环沿着将其移开的方向旋转,使得顶起的环形指状物压靠在封闭物中的凹部的顶部边缘,并且实际上将盖子从容器颈部撬开。