发明名称 |
STEP-TO-STEP WEDGE THREAD CONNECTIONS AND METHODS OF MAKING UP THE SAME |
摘要 |
Disclosed is a threaded connection including a pin member comprising a first pin step and a second pin step, and pin wedge threads disposed on each of the first and second pin steps and a box member comprising a first box step and a second box step, and box wedge threads disposed on each of the first and second box steps; wherein an axial separation of the first and second pin steps differs from an axial separation of the first and second box steps. |
申请公布号 |
EA024504(B1) |
申请公布日期 |
2016.09.30 |
申请号 |
EA20130070046 |
申请日期 |
2011.09.21 |
申请人 |
HYDRIL COMPANY |
发明人 |
MALLIS DAVID, LLEWELLYN;WARD GARY, W. |
分类号 |
E21B17/02;F16L15/00 |
主分类号 |
E21B17/02 |
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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