| 发明名称 |
WRENCHING TONG |
| 摘要 |
<p>Apparatus for applying torque to a first tubular relative to a second tubular including a torque measuring flange. The flange comprises a top plate (210) and a bottom plate (215). The flange further includes one or more cylinders (250) disposed between one or more wedges (230,235), whereby rotating the top plate causes the wedges to compress a piston in the cylinder.</p> |
| 申请公布号 |
EP1474588(A2) |
申请公布日期 |
2004.11.10 |
| 申请号 |
EP20030708944 |
申请日期 |
2003.02.04 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
PIETRAS, BERND-GEORG;CARLSSON, ANDREAS;SCHULZE-BECKINGHAUSEN, JORG, ERICH;LIESS, MARTIN |
| 分类号 |
E21B19/16;(IPC1-7):E21B19/16;E21B19/18 |
主分类号 |
E21B19/16 |
| 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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