发明名称 Threaded connection
摘要 A threaded connection 1 comprising a first and a second tubular component, the first component comprising a male end comprising a distal surface and a threaded zone 5 disposed on its external peripheral surface, the second component comprising a female end comprising a distal surface and a threaded zone 4 disposed on its internal peripheral surface, the threaded zone 5 of the male end being threaded up into the threaded zone 4 of the female end, the threaded zones 4, 5 comprising respective male and female threads 40, 50 having a width which increases from the distal surface, the threads comprising load flanks having negative angles over at least a portion of their radial dimension, and stabbing flanks, with a radial clearance subsisting in the connected state between the crests of the male threads and the roots of the female threads and/or between the crests of the female threads and the roots of the male threads, with an axial clearance subsisting in the connected state between the stabbing flanks of the male and female threads, and the distal surface of the male end and/or female end being brought into axial abutting contact against a corresponding abutment surface.
申请公布号 AU2010321285(B2) 申请公布日期 2016.11.17
申请号 AU20100321285 申请日期 2010.11.09
申请人 SUMITOMO METAL INDUSTRIES, Ltd.;VALLOUREC OIL AND GAS FRANCE 发明人 Martin, Pierre;Maillon, Bertrand
分类号 E21B17/08;F16L15/06 主分类号 E21B17/08
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