发明名称 |
THREADED JOINT WITH RESILIENT SEAL RING |
摘要 |
A threaded joint comprises a seal ring (6) interposed between the pin and the box, and located in a groove (18) between the end of a threaded section (5) and the nose (15) of the box (3). The seal ring (6) has a first base (8), a second base (9) axially opposite to the first base, at least two protruding annular ribs (11, 12) on the external surface, and an internal surface comprising, in an unloaded position, two frustoconical annular surfaces (19, 20) tapering towards the centre of the seal ring and joined by a fillet (10). |
申请公布号 |
WO2009010507(A1) |
申请公布日期 |
2009.01.22 |
申请号 |
WO2008EP59226 |
申请日期 |
2008.07.15 |
申请人 |
TENARIS CONNECTIONS AG;SANTI, NESTOR, J.;MAZZAFERRO, GASTON |
发明人 |
SANTI, NESTOR, J.;MAZZAFERRO, GASTON |
分类号 |
F16J15/02;F16L5/04 |
主分类号 |
F16J15/02 |
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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