发明名称 VENTING DEVICE
摘要 A bung plug venting device having a threaded slot configuration for use such as in relieving internal pressure in a container for liquids is disclosed. In one embodiment, a plurality of slots are spaced at equal intervals around the threaded neck portion of the bung plug, with the upper end of the slots being positioned below the upper threads of the neck portion. The number and width of the slots will depend on the capacity of the container.
申请公布号 CA2139910(C) 申请公布日期 1999.08.03
申请号 CA19952139910 申请日期 1995.01.10
申请人 发明人 KNOOP, ROBERT D.
分类号 B65D39/08;(IPC1-7):B65D39/08;B65D90/34 主分类号 B65D39/08
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