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    • 4. 发明申请
    • Tamper evident lid welded to a container
    • 篡改明显的盖子焊接到容器
    • US20050133508A1
    • 2005-06-23
    • US10738636
    • 2003-12-17
    • Russel LandisAlexander JonesSurendra AgarwalJeffrey SusallaArturo MartinezKenneth Pokusa
    • Russel LandisAlexander JonesSurendra AgarwalJeffrey SusallaArturo MartinezKenneth Pokusa
    • B65D43/02B65D17/40
    • B65D43/0272B65D43/027B65D2101/0023B65D2543/00027B65D2543/00092B65D2543/00296B65D2543/00407B65D2543/00425B65D2543/00509B65D2543/00546B65D2543/00555B65D2543/00833B65D2543/00898B65D2543/0099
    • A tamper-evident plastic lid is welded to a plastic container at a welded portion and a detachable, replaceable lid portion is formed by tearing a frangible portion on the lid's skirt thereby leaving a torn tamper-evident, welded lid portion fixed to the container rim. The illustrated lid is a plug-fit lid which has a plug-shaped portion comprising a depressed central panel and an encircling, upstanding wall that engages an inner side of the container rim wall to retain the separated lid portion when it is replaced on the container. An energy director preferably in the form of an encircling bead on the lid initiates the softening of the plastic of the bead for welding with the plastic of the container rim. The preferred frangible portion is a reduced cross-sectional thickness web in a horizontally and radially extending skirt wall on the lid skirt overlying a horizontally and radially extending rim wall on the container rim. The frangible portion may be located radially inwardly of the welded portion. A pull tab may be provided on the replaceable lid portion to assist in initiating the fracturing of the thin frangible web. A pry slot may also be provided to aid in locating where and how to separate the replaceable lid portion from the welded portion which is permanently attached to the container.
    • 防盗性塑料盖在焊接部分焊接到塑料容器,并且可拆卸的可更换盖部分通过撕裂盖子裙部上的易碎部分而形成,从而留下固定到容器边缘的撕裂的防窃启的焊接盖部分 。 所示的盖子是插头式盖子,其具有插塞形部分,该插头形状部分包括凹陷的中心面板和环绕的直立壁,其与容器边缘壁的内侧接合,以在容器边缘壁上更换时将所分离的盖部分保持 。 优选在盖上的环绕珠的形式的能量指示器启动用于与容器边缘的塑料焊接的焊道的塑料的软化。 优选的易碎部分是覆盖在容器边缘上的水平和径向延伸的边缘壁上的盖裙部上的水平和径向延伸的裙壁中的减小横截面厚度的腹板。 易碎部分可以位于焊接部分的径向内侧。 可以在可更换盖部分上设置拉片,以帮助启动薄脆片的压裂。 还可以提供撬槽以帮助定位在何处以及如何将可替换的盖部分与永久地附接到容器的焊接部分分离。