Restrained elastomeric seal ring means

Details Restrained elastomeric seal ring means Restrained elastomeric seal ring means

1975-05-09

1976-11-09

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

227181, F16J 900

Patent

active

039907112

ABSTRACT:
An elastomeric sealing system for sealing between two metal plates in contact along a contact plane and simultaneously sealing between a bored opening through the plates perpendicular to the contact plane, and a cylindrical piston in the bored opening. The system provides a recess positioned at the contact plane into which an elastomeric seal ring is positioned. Contrary to the conventional type of O-ring seal, the recess may contain two or even three portions and the seal ring correspondingly will have two or three parts adapted to fit into the two or three portions of the recess. The purpose of the second and/or third portions of the ring is to prevent the seal ring from moving radially inwardly and out of the recess when the piston is removed.

REFERENCES:
patent: 1366075 (1921-01-01), Heeter
patent: 2157867 (1939-05-01), Robertson et al.
patent: 2438153 (1948-03-01), Dick
patent: 2770510 (1956-11-01), Collins
patent: 2789844 (1957-04-01), Kessler
patent: 3017190 (1962-01-01), Lindstrom
patent: 3195902 (1965-07-01), Tisch

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