发明名称 Container with frangible piercing point
摘要 A container includes a plurality of walls that define an enclosed space. One of the container walls has a frangible piercing point thereon adapted to be penetrated by an extraction device such as a drinking straw, the piercing point being defined by a depression formed in the exterior surface of the container wall, but which does not penetrate completely through the wall. The depression is surrounded by an annular ring, which marks its location, and the container walls are preferably made of a plurality of layers of laminated material.
申请公布号 US4072233(A) 申请公布日期 1978.02.07
申请号 US19760714250 申请日期 1976.08.13
申请人 HOECHST AKTIENGESELLSCHAFT 发明人 KRAMER, KARL;DURST, KARLHEINZ
分类号 B65D33/36;B65D75/58;(IPC1-7):B65D5/54 主分类号 B65D33/36
代理机构 代理人
主权项
地址