| 摘要 |
<p>A tamperproof closure for a screw neck container which comprises a closure cap carrying a catch ring which can be separated from the cap. The catch ring is located on spaced support ledges of the cap defining a support ring and inwardly directed projections of the ring extend between the ledges and engage, ratchet-fashion, a ring of teeth on the container neck preventing the cap from being unscrewed.</p> |
