Metal laminate gasket with double seal rings

Details Metal laminate gasket with double seal rings Metal laminate gasket with double seal rings

1992-02-10

1993-04-13

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277232, 277234, 277236, F16J 1508

Patent

active

052015343

ABSTRACT:
A metal laminate gasket of the invention is used for an internal combustion engine. The gasket is basically formed of first and second outer plates, at least one middle plate situated between the outer plates, and a sealing member situated adjacent a hole of the engine to surround and define the same. The gasket further includes a first seal ring, and a second seal ring situated outside the first seal ring, both being located outside the sealing member relative to the hole of the engine. A supporting member is integrally formed with one of the outer and middle plates to laminate over the second seal ring. Therefore, when the gasket is tightened, the second seal ring provides surface pressure greater than that on the first seal ring. The surface pressures on the seal rings can be easily changed and regulated by the supporting member.

REFERENCES:
patent: 4369980 (1983-01-01), Backlin
patent: 4605236 (1986-01-01), Tsuchihashi et al.
patent: 4739999 (1988-04-01), Ishii et al.
patent: 5092613 (1992-03-01), Udagawa

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