发明名称 |
THREADED JOINT FOR PIPES. |
摘要 |
A solid lubricating coating formed on a contact surface of a threaded joint for pipes has a matrix of a lubricating oil-containing polymer. The lubricating oil-containing polymer has either a uniform composition or a gradient composition in which the concentration of lubricating oil decreases towards the contact surface and in which there is substantially no lubricating oil in the vicinity of the contact surface. |
申请公布号 |
MX339535(B) |
申请公布日期 |
2016.05.27 |
申请号 |
MX20110010389 |
申请日期 |
2010.03.31 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION.* |
发明人 |
KUNIO GOTO;KUNIO GOTO;KEISHI MATSUMOTO;TAKAO KURANISHI |
分类号 |
C23C22/46;C23C22/07;C23C26/00;F16L15/04 |
主分类号 |
C23C22/46 |
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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