发明名称 |
Floating wedge thread for tubular connection |
摘要 |
A tubular connection is provided with a first thread on a first step having an initial makeup location and a second thread on a second step, the second thread being a wedge thread and having a selected clearance on stab and load flanks at the initial makeup location of the first thread.
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申请公布号 |
US7527304(B2) |
申请公布日期 |
2009.05.05 |
申请号 |
US20040027015 |
申请日期 |
2004.12.30 |
申请人 |
HYDRIL LLC |
发明人 |
MALLIS DAVID LLEWELLYN;SIVLEY, IV ROBERT S.;REYNOLDS, JR. HARRIS A. |
分类号 |
F16L15/00 |
主分类号 |
F16L15/00 |
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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