发明名称 Device for tapping and plugging a fluid conductor
摘要 An improved device for tapping and plugging fluid conductors under high pressure has independently operable feed and cutting motors for improved cutting action. The device has a cutter housing whe precise location of the cutter on the drive axis to allow the cutter to be operated remotely.
申请公布号 US4450857(A) 申请公布日期 1984.05.29
申请号 US19810291661 申请日期 1981.08.10
申请人 HUGHES TOOL COMPANY 发明人 BAUGH, JOHN L.;MONTGOMERY, JAMES W.
分类号 B23B41/08;E21B29/08;F16L55/124;(IPC1-7):B23B39/00 主分类号 B23B41/08
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