Remote operated actuator system for drill string internal...

Details Remote operated actuator system for drill string internal... Remote operated actuator system for drill string internal...

2011-05-31

2011-05-31

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Process of dynamic sealing

Contained or compressed by gland member in packing box

C277S309000, C277S552000, C285S191000, C175S195000

Reexamination Certificate

active

07950668

ABSTRACT:
An air swivel ring includes a non-rotating member having an air inlet, a rotating member having an air outlet, and a split seal having a first sealing surface and coupled to one of the non-rotating member and the rotating member so that the first sealing surface on the seal is disposed proximate a second sealing surface on the other of the non-rotating member and the rotating member.

REFERENCES:
patent: 3661204 (1972-05-01), Blanding et al.
patent: 3792601 (1974-02-01), Dillingham et al.
patent: 4212473 (1980-07-01), Arai
patent: 4416340 (1983-11-01), Bailey
patent: 4423774 (1984-01-01), Mefford
patent: 4594030 (1986-06-01), Weigel, Jr.
patent: 5429374 (1995-07-01), Eichenberger
patent: 5692418 (1997-12-01), Burner
patent: 6059293 (2000-05-01), Azibert et al.
patent: 6896076 (2005-05-01), Nelson et al.

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