Receptacles – Closures – Having gasket or packing
Patent
1975-10-10
1977-10-11
Phillips, Charles E.
Receptacles
Closures
Having gasket or packing
277 22, 277142, 277160, 277198, B25D 5302
Patent
active
040530850
ABSTRACT:
A seal apparatus for making demountable gas tight seals between juxtaposed dissimilar material parts in high temperature, high pressure and chemically reactive environments. The seal is comprised of two or more concentric elastomer washer seals mounted in a first juxtaposed part within a recessed channel of measured depth. The washer seals have a thickness greater than the measured depth of the channel, thereby providing contact with the second juxtaposed part interfaced with the first or channeled part. The inner concentric elastomer washer, being made of chemically relatively inert material, and the outer concentric elastomer washer being made of high resilient, therefore relatively chemically reactive material. The outer concentric washer seal is the true load bearing seal; the inner seal is a means for shielding the load bearing seal from chemical deterioration. A flexible annular metal contactor mounted exterior to the outermost concentric washer seal thermally contacts both juxtaposed parts and maintains thermal equilibrium there between.
REFERENCES:
patent: 2300519 (1942-11-01), Phillips
patent: 2562675 (1951-07-01), Mayfield
patent: 3300225 (1967-01-01), Shepler
patent: 3334774 (1967-08-01), Poltorak
patent: 3521891 (1970-07-01), Tripoli
Brown David
Tobias Reginald
Block Engineering Inc.
Footland L.
Phillips Charles E.
Slater, Jr. Robert L.
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