发明名称 |
Tamper-proof container closure |
摘要 |
A container closure in the form of a stopper is provided in which an outer wall engages exteriorly of the wall of the container. A tamper-proof ring is secured to the underside thereof by means of tear-off webs. The internal cylindrical surface of the ring comprises tabs directed obliquely inwardly and in the direction of the opening.
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申请公布号 |
US4899897(A) |
申请公布日期 |
1990.02.13 |
申请号 |
US19890389247 |
申请日期 |
1989.08.03 |
申请人 |
HOFFMANN-LA ROCHE INC. |
发明人 |
BUETTIKER, JEAN-PIERRE;KLAIBER, MAX |
分类号 |
B65D41/48 |
主分类号 |
B65D41/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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