发明名称 THREADED CONNECTION WITH PERTURBED FLANKS
摘要 A threaded connection including a pin member and a box member, and methods for manufacturing and forming said threaded connection. The pin member has a pin thread with a pin thread crest, a pin thread root, a pin load flank, and a pin stab flank. The box member has a box thread with a box thread crest, a box thread root, a box load flank, and a box stab flank. At least one of the pin thread crest, the pin load flank, the pin stab flank, the box thread crest, the box load flank, and the box stab flank has at least one perturbation formed thereon. Upon a selected make-up of the pin member with the box member, a reduced clearance gap exists between the pin thread and the box thread at the at least one perturbation.
申请公布号 EP2092229(A4) 申请公布日期 2017.03.22
申请号 EP20070865923 申请日期 2007.12.20
申请人 Hydril Company 发明人 MALLIS, David Llewellyn;REYNOLDS, Harris A.
分类号 F16L15/06;E21B17/042 主分类号 F16L15/06
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