发明名称 |
PIPE THREAD PROTECTOR |
摘要 |
<p>A protector for protecting a pipe thread having a thread pitch P1 has a central axis, a first end, second end opposite the first end, and comprises a base at the first end. In addition, the protector comprises an annular connecting member extending axially from the base to the second end. The connecting member has a radially inner surface and a radially outer surface. The connecting member also includes a helical thread extending radially outward from the radially inner surface or radially inward from the radially outer surface. The helical thread has a thread pitch P2 that is greater than the thread pitch P1 of the pipe thread.</p> |
申请公布号 |
WO2011140014(A2) |
申请公布日期 |
2011.11.10 |
申请号 |
WO2011US34891 |
申请日期 |
2011.05.03 |
申请人 |
DRILLTEC PATENTS & TECHNOLOGIES CORPORATION;BAKER, BRYAN C.;CLEM, DAVID W.;LENDERMON, JEFFREY |
发明人 |
BAKER, BRYAN C.;CLEM, DAVID W.;LENDERMON, JEFFREY |
分类号 |
F16L57/00;F16L55/11;F16L55/115;F16L57/02;F16L57/06;F16L58/00 |
主分类号 |
F16L57/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|