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1. 发明申请

WO1995015285A1 VENTED SNAP-ON, SCREW-OFF CAP AND CONTAINER NECK 审中-公开
标题翻译：通风口，螺丝帽和集装箱垫
公开(公告)号：WO1995015285A1
公开(公告)日：1995-06-08
申请号：PCT/US1993011676
申请日：1993-12-02
申请人： PORTOLA PACKAGING, INC. , LUCH, Daniel , BIETZER, Steven, H.
发明人： PORTOLA PACKAGING, INC.
IPC分类号： B65D55/02
CPC分类号： B65D51/1611 , B65D41/3409
摘要： A tamper-evident closure (21) is used with a container neck (22). The neck (22) has first helical thread on an upper neck stretch portion and external ratchet teeth (51, 81) on a locking wall portion below the upper neck stretch portion. The closure (21) has an upper skirt (64) having second helical thread mating with the first helical thread. A downward extending lower skirt portion (63) includes an outer skirt portion and a shoulder extending inwardly from the outer skirt portion. A frangible section (87) interconnects the shoulder and the upper skirt portion. Fins (100) are formed upstanding from the shoulder (73) preventing upward deformation of the lower skirt portion (63) without breaking the frangible section (87), the lower skirt portion (63) has internal ratchet teeth and is formed with a line of weakness (87) extending through the outer skirt portion and the shoulder. The lower skirt (63) has a tear tab (86) which, when pulled fractures the lower skirt (63) on a vertical line.
摘要翻译：与容器颈部（22）一起使用防拆封闭件（21）。颈部（22）在上颈部拉伸部上具有第一螺旋形螺纹，在上颈部伸缩部下方的锁定壁部上具有外部棘轮齿（51,81）。封闭件（21）具有上裙部（64），其具有与第一螺旋螺纹配合的第二螺旋螺纹。向下延伸的下裙部（63）包括外裙部和从外裙部向内延伸的肩部。易碎部分（87）将肩部和上裙部相互连接。金属丝（100）从肩部（73）形成为直立，从而防止下裙部（63）的向上变形，而不破坏易碎部分（87），下裙部部分（63）具有内棘轮齿，并形成有线的弱部（87）延伸穿过外裙部和肩部。下裙部（63）具有撕裂片（86），当撕开时，下拉裙部（63）在垂直线上断裂。

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