发明名称 |
SCREW-CUT JOINT AND MANUFACTURE AND DEVICE THEREOF |
摘要 |
The present invention concerns a new threaded joint for steel tubes, usable in particular in the petroleum industry, which contains a female element equipped with conical threads having an internal screw stop mating and a male element correspondingly threaded with a screw stop having a form corresponding to the female element. The male element stop and the female element stop are each manufactured by cold working using a tool capable of engaging in or on the threads of the corresponding element. |
申请公布号 |
JPS612992(A) |
申请公布日期 |
1986.01.08 |
申请号 |
JP19850059338 |
申请日期 |
1985.03.22 |
申请人 |
BARURETSUKU |
发明人 |
BERUNAARU PURAKAN;RUI FURADAN |
分类号 |
F16L15/00;E21B17/042;F16L15/08 |
主分类号 |
F16L15/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|