Threaded connection especially for radically plastically...

Details Threaded connection especially for radically plastically... Threaded connection especially for radically plastically...

2005-08-11

2008-12-30

Dunwoody, Aaron M (Department: 3679)

Pipe joints or couplings

Screw

C285S334000

Reexamination Certificate

active

07469938

ABSTRACT:
A threaded connection includes a male member having threads thereon defining a load flank lead and a stab flank lead. The threaded connection also includes a female member having threads thereon adapted to mate with threads on the male member, wherein the threads on the female end define a load flank lead and a stab flank lead, wherein at least one of the load flank lead and the stab flank lead on at least one of the female member and the male member change at a predetermined rate beginning at a selected distance from either one or both ends of the threads, wherein the stab flank lead and the load flank lead are different from each other over at least part of the thread length.

REFERENCES:
patent: RE30647 (1981-06-01), Blose
patent: 4582348 (1986-04-01), Dearden et al.
patent: 6158785 (2000-12-01), Beaulier et al.
patent: 6206436 (2001-03-01), Mallis

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