High pressure, fluid tight seal

Details High pressure, fluid tight seal High pressure, fluid tight seal

1976-12-01

1980-05-20

Ross, Herbert F.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 72FM, B65D 5300, F16J 1500

Patent

active

042036070

ABSTRACT:
A system for effecting a fluid tight seal between two surfaces where one of the surfaces has an annular recess for receiving an annular sealing element which typically is an elastomeric sealing element. The sealing element is compressed when disposed between the surfaces to be sealed and a supplemental sealing element is disposed in the groove between the sealing element where the supplemental sealing element is comprised of a semi-fluid bridging material containing particulate matter. The particulate matter is sized so as to be larger than a clearance space between the surfaces thereby providing material to bridge the clearance space and prevent the extrusion of the principal sealing element in the event of high pressure.

REFERENCES:
patent: 2520306 (1950-08-01), Detweiler
patent: 2587810 (1952-03-01), Beyer
patent: 2797971 (1957-07-01), Greenough
patent: 2810592 (1957-10-01), Williams
patent: 2963304 (1960-12-01), Comlossy
patent: 2973978 (1961-03-01), Oppenheim
patent: 3146683 (1964-09-01), Hoftmann
patent: 3186702 (1965-06-01), Taylor

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