Threaded tubular connection having interlocking tubular end...

Details Threaded tubular connection having interlocking tubular end... Threaded tubular connection having interlocking tubular end...

2005-09-19

2008-10-14

Sandy, Robert J (Department: 3679)

Pipe joints or couplings

Particular interface

Tapered

C285S091000, C285S330000, C285S334000, C285S370000

Reexamination Certificate

active

07434848

ABSTRACT:
A tubular connection having a first joint having outer threads and an inner bore, and a second joint having outer threads and an inner bore. The tubular connection further includes an outer nut having inner threads that cooperate with the outer threads of the first joint and the second joint. The tubular connection further includes an inner sleeve positioned within the first inner bore and the second inner bore. In one embodiment, the first inner bore contains a first groove having first seal disposed therein and the second inner bore contains a second groove having second seal disposed therein, wherein the first and second seal prevents a pressure from exiting the first and second inner bore.

REFERENCES:
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patent: 2007/0007760 (2007-01-01), Stolle et al.
patent: 2007/0252387 (2007-11-01), Beard et al.

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