发明名称 Drum pump adapter
摘要 A drum pump adapter which provides for the return of spilled fluid to the drum interior. The drum pump adapter includes a hollow body having a substantially cylindrical interior with an inlet and an outlet opening. The lower portion of the body is provided with a threaded exterior adjacent the inlet opening. An upper portion of the body is provided with a threaded interior adjacent the outlet opening with an inner diameter substantially equal to the lower portion's outer diameter. At least one fluid return hole is positioned between the upper portion's threaded interior and the lower portion's threaded exterior and extends through the body into the body's interior.
申请公布号 US5184751(A) 申请公布日期 1993.02.09
申请号 US19920905775 申请日期 1992.06.29
申请人 NEW PIG CORPORATION 发明人 MIDDLETON, DENNIS G.
分类号 B67D7/02 主分类号 B67D7/02
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