发明名称 |
Electrical cable overshot-grappling tool |
摘要 |
An overshot-grappling tool adapted to be lowered, raised and manipulated to retrieve sections of electrical cable from a well, wherein a plurality of flexible gripping fingers are provided for gripping a termianl connector of the electrical cable section along with releasable means to restrain the gripping fingers under spring pressure for such gripping action and to release the fingers from the terminal connector.
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申请公布号 |
US4017113(A) |
申请公布日期 |
1977.04.12 |
申请号 |
US19760654992 |
申请日期 |
1976.02.04 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
CULLEN, ROY H.;AKER, JIMMIE R.;WITOVEK, JR., JIM |
分类号 |
E21B31/18;(IPC1-7):E21B31/12 |
主分类号 |
E21B31/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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