发明名称 Adaptor tools and method to expose valve
摘要 This invention relates to an adaptor having one end for activating a valve and another end for connection to a rod said adaptor including a socket at said one end to register with said valve for operating said valve, and including a slot at said other end for receiving and pivotally connecting to said rod. The invention also teaches a pin removal tool for removing pins underground from the surface.
申请公布号 US5950654(A) 申请公布日期 1999.09.14
申请号 US19970855257 申请日期 1997.05.13
申请人 LIPHOOK COUPLERS SYSTEMS INC. 发明人 PAYLOR, CHRISTOPHER JOHN
分类号 B25B9/00;B25B27/24;B25J1/04;B26D7/27;E03B9/02;F16K31/46;(IPC1-7):F16K43/00;F16K31/44 主分类号 B25B9/00
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