| 发明名称 |
ROTARY FOR USE IN A TONG |
| 摘要 |
A jaw unit (102) for use in a tong which comprises a jaw holder (105) and a jaw (106) movable with respect to said jaw holder (105), characterised in that said jaw (106) is slidably mounted on said jaw holder (105).
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| 申请公布号 |
CA2280025(C) |
申请公布日期 |
2007.03.13 |
| 申请号 |
CA19982280025 |
申请日期 |
1998.01.15 |
| 申请人 |
WEATHERFORD/LAMB, INC.;LUCAS, BRIAN RONALD |
发明人 |
PIETRAS, BERND-GEORG |
| 分类号 |
E21B19/16;B23P15/00;B25B13/50 |
主分类号 |
E21B19/16 |
| 代理机构 |
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代理人 |
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