发明名称 Tamper-evident twist-off closure
摘要 A tamper-proof closure for use with a bottle having a neck, a lip, and shelf surrounding the neck and a plurality of ramp sections. The closure includes a top wall, a skirt and a plurality of tabs extending from the bottom edge of the skirt. The tabs include first and second side edges and a transverse edge. The tab is longer adjacent to one side edge than the other. The ramp sections include an upwardly sloping portion of the shelf and a cam wall extending across the shelf from the neck to the outer edge of the shelf.
申请公布号 US5263600(A) 申请公布日期 1993.11.23
申请号 US19920946872 申请日期 1992.09.17
申请人 PRODUCT INVESTMENT, INC. 发明人 HENNING, JOHN C.
分类号 B65D41/04;B65D41/12;B65D41/34;(IPC1-7):B65D41/12 主分类号 B65D41/04
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