发明名称 Portable remote drum opening device
摘要 For safely opening drums that may contain hazardous materials, a remotely controllable drum opener attachment is provided, which is powered by air or electricity from a distance by means of a long power cord. The attachment is clamped in position on the drum by an appropriate frame.
申请公布号 US5349755(A) 申请公布日期 1994.09.27
申请号 US19910762431 申请日期 1991.09.19
申请人 HAYWOOD, CARL R. 发明人 HAYWOOD, CARL R.
分类号 B67B7/42;B67B7/48;(IPC1-7):B67B7/42 主分类号 B67B7/42
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