| 发明名称 |
Tubular member having an anti-galling coating |
| 摘要 |
A tubular member 12 having an internal and/or external metal thread 18, 20 at one end thereof, at least part of the thread 18, 20 being coated with an alloy of copper and tin, said alloy containing 5 wt % to 95 wt % copper. The tubular member 10 can be combined with another tubular member 14, 16 to provide a threaded connection 10 having improved galling resistance.
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| 申请公布号 |
US7472927(B2) |
申请公布日期 |
2009.01.06 |
| 申请号 |
US20050499796 |
申请日期 |
2005.01.06 |
| 申请人 |
HUNTING OILFIELD SERVICES (UK) LTD.;M.P. EASTERN LIMITED |
发明人 |
GUISE RICHARD J.;EDWARDS MICHAEL G. |
| 分类号 |
E21B43/00;F16L15/00;C22C9/02;C22C13/00;C22C38/00;C22C38/20;C25D3/58;C25D3/60;C25D7/00;F16B33/06;F16J15/12;F16L15/04;F16L58/08;F16L58/18 |
主分类号 |
E21B43/00 |
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