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    • 8. 发明申请
    • THREADED CONNECTION WITH PERTURBED FLANKS
    • 与PERTURBED FLANKS的螺纹连接
    • WO2008077143A1
    • 2008-06-26
    • PCT/US2007/088364
    • 2007-12-20
    • HYDRIL LLCMALLIS, David, LlewellynREYNOLDS, Harris, A.
    • MALLIS, David, LlewellynREYNOLDS, Harris, A.
    • F16L15/06
    • F16L15/004
    • 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.
    • 包括销构件和箱构件的螺纹连接,以及用于制造和形成所述螺纹连接的方法。 销构件具有销螺纹,销螺纹牙顶,销螺纹根部,销负载侧面和针刺侧面。 箱体具有带有螺纹牙顶的箱形螺纹,箱形螺纹根部,箱体负载侧面和箱体侧翼。 销螺纹牙顶,销钉侧面,针刺侧面,箱形螺纹牙顶,箱体承载侧面和箱体侧面中至少有一个在其上形成至少一个扰动。 在针元件与盒构件的选择补充之后,在至少一个扰动下,在销螺纹和盒螺纹之间存在减小的间隙。