Seal for a joint or juncture – Seal for well apparatus – For below ground apparatus
Reexamination Certificate
2005-01-18
2005-01-18
Pickard, Alison K. (Department: 3676)
Seal for a joint or juncture
Seal for well apparatus
For below ground apparatus
C277S341000, C277S607000, C277S624000, C277S626000, C285S123120
Reexamination Certificate
active
06843480
ABSTRACT:
A high pressure ring seal for tube assembly joints provides structural foundation ring having inside and outside circumferential channels between end rims. The channels and rims are separated by a web of integral ring material. This web is perforated by a plurality of apertures. As an integral coating within both channels and integrally tied through the web apertures is a coating of polymer sealant material. Inside and outside faces of the sealant are pressure equalized by vent apertures through the web apertures.
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Nelson John Alan
Salerni John Vince
Baker Hughes Incorporated
Madan Mossman & Sriram PC
Pickard Alison K.
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