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1. 发明申请

US20020027123A1 Linerless closure for carbonated beverage container 失效
标题翻译：碳酸饮料容器无衬封闭
公开(公告)号：US20020027123A1
公开(公告)日：2002-03-07
申请号：US09985750
申请日：2001-11-06
申请人： Closures and Packaging Services Limited
发明人： Rodney M. Druitt
IPC分类号： B65D053/00 , B29C045/03 , B29C033/00
CPC分类号： B65D41/3447 , B65D41/0428 , B65D51/1688 , B65D2101/0023 , B65D2101/003 , Y10S215/01 , Y10S425/809
摘要： A plastic closure for sealing a container, the closure having a top portion and a skirt portion depending from the top portion. The closure has an annular sealing rib which extends within the cavity defined by the top portion and the skirt portion. The rib includes a first portion having a substantially cylindrical inner surface extending away from the underside of the top portion and disposed radially inward of the skirt and a second, frusto-conical, portion contiguous with the end of the first portion distal to the underside of the top portion and extending radially inwardly and terminating in a circular free edge, such that during engagement of the cap with the neck of the container, the second, frusto-conical, portion will be engaged by the free end of the neck and folded back against the first portion of the rib to form a gas-tight seal between the neck of the container and the closure.
摘要翻译：一种用于密封容器的塑料封盖，所述封盖具有顶部和从所述顶部垂下的裙部。封闭件具有环形密封肋，该密封肋在由顶部和裙部限定的空腔内延伸。所述肋包括第一部分，所述第一部分具有基本上圆柱形的内表面，所述内表面远离所述顶部部分的下侧延伸并且设置在所述裙部的径向内侧;以及第二截头圆锥形部分，其与所述第一部分的端部相邻，顶部并且径向向内延伸并终止于圆形自由边缘，使得在帽与容器的颈部接合期间，第二截头圆锥形部分将由颈部的自由端接合并折回抵靠肋的第一部分以在容器的颈部和封闭件之间形成气密密封。

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