Threaded tubular connection with progressive axial thread...

Details Threaded tubular connection with progressive axial thread... Threaded tubular connection with progressive axial thread...

2004-05-13

2010-02-16

Dunwoody, Aaron M (Department: 3679)

Pipe joints or couplings

Particular interface

Tapered

C285S355000, C285S333000

Reexamination Certificate

active

07661728

ABSTRACT:
A threaded connection includes at least one contact zone axially separated from threadings in which male and female elements are in sealed contact via bearing surfaces respectively constituted by a cambered surface and by a tapered surface.

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patent: 1 302 623 (2003-04-01), None
patent: 2004/060590 (2004-07-01), None

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