| 发明名称 |
THREADED TUBULAR CONNECTION WITH PROGRESSIVE AXIAL THREAD INTERFERENCE |
| 摘要 |
<p>A threaded connection includes at least one contact zone axially separated from threadings in which male and female elements are in sealed contact via bearing surfaces respectively constituted by a cambered surface and by a tapered surface.</p> |
| 申请公布号 |
EP1629229(A1) |
申请公布日期 |
2006.03.01 |
| 申请号 |
EP20040739196 |
申请日期 |
2004.05.13 |
| 申请人 |
VALLOUREC MANNESMANN OIL & GAS FRANCE |
发明人 |
VERGER, ERIC;DE MONTLEBERT, DAMIEN;THOREAU, EMERIC |
| 分类号 |
F16L15/06;(IPC1-7):F16L15/06 |
主分类号 |
F16L15/06 |
| 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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