发明授权
US3874540A Tamperproof cap 失效
防撬盖

Tamperproof cap
摘要:
A tamperproof cap is arranged for use with a container having a threaded neck portion and at least one external tooth extending radially outwardly adjacent the threaded portion. The tamperproof cap includes a cap body, a tamperproof ring and a plurality of breakable connectors coupling the ring to the cap body. A number of triangularly shaped pawls extend inwardly from the tamperproof ring for locking engagement with the container tooth, and the breakable connectors are joined to the tamperproof ring at the pawls.
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