| 发明名称 |
AN APPARATUS AND A METHOD FOR FACILITATING THE CONNECTION OFPIPES |
| 摘要 |
An apparatus for facilitating the connection of pipes which apparatus comprises a rotary (1) and jaws (20, 21, 22), characterised in that all of said jaws (20, 21, 22) are active and are actuable by pressurised fluid.</SD OAB>
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| 申请公布号 |
CA2359215(A1) |
申请公布日期 |
2000.08.03 |
| 申请号 |
CA19992359215 |
申请日期 |
1999.12.23 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
SCHULZE-BECKINGHAUSEN, JORG ERICH;PIETRAS, BERND-GEORG |
| 分类号 |
E21B19/16;(IPC1-7):E21B19/16 |
主分类号 |
E21B19/16 |
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