| 摘要 |
Threaded pipe joint comprising a male element ( 1 ) and a female element ( 2 ), threaded and provided with respective complementary sealing surfaces, which define, when screwed together, a notch ( 13 ) formed on the female element ( 2 ) of a predetermined length (X), and a space ( 7, 8 ) between the threads of predetermined section (S), forming reservoir to house the joint lubricant, which comes out of the volume between the threads of the female ( 2 ) and male ( 1 ) elements during the tightening of the joint. |
