发明名称 Tamper-evident closures and container neck therefor
摘要 A tamper-evident closure and container neck. The closure has a top and a skirt depending from the top having at least one engagement member on the interior of the skirt which cooperates with at least one engagement member on the neck to retain the closure on the container neck. The closure includes a tab to facilitate removal of the closure from the container neck. The tab includes a longitudinal axis and wall portions extending outwardly from the axis and terminating in a plane spaced from the longitudinal axis for reinforcing the tab. Frangible sections prevent removal of the cap from the neck so long as the frangible sections are intact.
申请公布号 US5975320(A) 申请公布日期 1999.11.02
申请号 US19970853669 申请日期 1997.05.09
申请人 PORTOLA PACKAGING, INC. 发明人 BIETZER, STEVEN H.;KRISCHKE, KURT;LUCH, DANIEL;REPP, RICHARD E.
分类号 B29C65/00;B29C65/02;B65D1/02;B65D41/04;B65D41/17;B65D41/34;B65D41/48;B65D77/20;(IPC1-7):B65D39/00 主分类号 B29C65/00
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