发明名称 Bottle or jar screw cap opener - has hollow stepped interior to locate over caps of different diameters
摘要 <p>The opener for a screw cap on a jar or bottle is designed to be used with caps of different diameters. It has a stepped hollow interior. The necessary contact pressure is achieved by initial downward pressure of the opener on the cap which effects a locking action on the cap itself. The opener is of simple design and does not have any moving parts thereby rendering it safe for children.</p>
申请公布号 DE2719440(A1) 申请公布日期 1978.11.02
申请号 DE19772719440 申请日期 1977.04.30
申请人 BUERGER,REINHARD 发明人 BUERGER,REINHARD
分类号 B67B7/18;(IPC1-7):67B7/18 主分类号 B67B7/18
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