Conduit sealing system

Details Conduit sealing system Conduit sealing system

1982-03-25

1984-02-28

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1512

Patent

active

044338473

ABSTRACT:
The invention relates to an annular seal system designed for high pressure applications in subterranean wells. The annular seal system comprises a vertical stack of subassemblies. Each subassembly incorporates an annular sealing element formed from an elastomeric material, such as a perfluoroelastomer, which is provided with a truncated pear-shaped cross-sectional configuration having reversely curved axial side surfaces. The sealing element is abutted on each axial side by a uniform thickness annular bearing element formed from a thermoplastic such as a polyphenylene sulfide resin having good bearing properties. Each of the thermoplastic bearing elements is in turn abutted by an annular metallic restraining element having correspondingly shaped reversely curved axial side surfaces and defining an inverted truncated pear-shaped cross-sectional configuration.

REFERENCES:
patent: 1184212 (1916-05-01), Revschline
patent: 2075019 (1937-03-01), Buck et al.
patent: 3048412 (1962-08-01), Baker
patent: 4192519 (1980-11-01), Buggele
patent: 4258792 (0000-01-01), Restarick

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