Multi-stage elastomeric seal with retainer

Details Multi-stage elastomeric seal with retainer Multi-stage elastomeric seal with retainer

1988-02-16

1989-01-10

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277188R, 277189, B65D 5300

Patent

active

047968966

ABSTRACT:
A two-stage elastomeric refrigerant seal has a seal body with a primary seal section adapted for low compression and a secondary seal section adapted for high compression. The seal body is secured to a retainer in an arrangement such that the secondary seal provides pressure assisted sealing on the seal body from the sealed gas acting on the primary seal and in addition provides physical shielding of the primary seal from the refrigerant and any contaminants therein.

REFERENCES:
patent: 2994571 (1961-08-01), Peras
patent: 3278883 (1966-10-01), Lipsey
patent: 4132416 (1979-01-01), Adams, Jr.
patent: 4298203 (1981-11-01), Holser et al.
patent: 4580792 (1986-04-01), Barlaud et al.
patent: 4609773 (1986-09-01), Brown et al.
patent: 4635715 (1987-01-01), Andersson
patent: 4744572 (1988-05-01), Sahba et al.
Parker Seal Company Drawing No. 002, Hose Flange Seal, 3-1987.
Parker Seal Company Drawing No. 005, Cooling Water Flange Seal, 3-1987.

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