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    • 2. 发明申请
    • Plastic closure, closure and container package, and method of manufacture
    • 塑料封闭,容器包装及其制造方法
    • US20060278601A1
    • 2006-12-14
    • US11150738
    • 2005-06-10
    • Kenneth BloomPaul Graham
    • Kenneth BloomPaul Graham
    • B65D45/00B65D45/32B65D53/00
    • B65D51/145B29C45/1615B29C45/1635B29L2031/265B29L2031/56B29L2031/565B65D41/045
    • A method of making a closure having an end panel and a sealing liner on one face of the end panel includes providing an injection mold having at least first and second mold elements, at least one of which is movable with respect to the other. The first and second mold elements are positioned to form a first mold cavity, and the end panel is injection molded within the first mold cavity. At least one of the first and second mold elements then is moved to form a second mold cavity in which a face of the end panel forms at least one mold cavity wall, and the sealing liner is injection molded onto the face of the end panel. The end panel and liner are then removed from the second mold cavity. The liner/disk subassembly thus is provided more easily and economically than if the liner were compression molded in situ onto the undersurface of a separately formed disk. The closure preferably is a two-piece closure, and the method preferably includes the step of assembling the end panel to a separately formed closure shell.
    • 在端板的一个面上制造具有端板和密封衬套的封闭件的方法包括提供具有至少第一和第二模具元件的注塑模具,其中至少一个模具元件可相对于另一个元件移动。 第一和第二模具元件被定位成形成第一模具腔,并且端板在第一模腔内被注射模制。 然后第一和第二模具元件中的至少一个被移动以形成第二模腔,其中端板的表面形成至少一个模腔壁,并且将密封衬套注塑到端板的表面上。 然后将端板和衬套从第二模腔中取出。 因此,如果衬垫在原位压缩成型到单独形成的盘的下表面上,则衬垫/盘子组件被更容易和经济地提供。 封闭件优选地是两件式封闭件,并且该方法优选地包括将端板组装到单独形成的封闭壳体的步骤。