Metal laminate gasket with sealing shim

Details Metal laminate gasket with sealing shim Metal laminate gasket with sealing shim

1993-09-28

1996-04-30

Cummings, Scott W.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235B, F16J 1508

Patent

active

055117961

ABSTRACT:
A metal laminate gasket of the invention is installed in an internal combustion engine having at least one hole to be sealed. The gasket is formed of a plurality of metal plates to form a metal laminate gasket, an auxiliary sealing device formed around a first hole of the gasket for sealing therearound, and an annular shim situated between the metal plates and located outside the auxiliary sealing device. The auxiliary sealing device is compressible, while the shim is non-compressible. When the gasket is tightened, surface pressure greater than that on the auxiliary sealing device is formed on the shim to thereby securely seal around the first hole without causing deformation of the hole of the engine due to high surface pressure around the hole.

REFERENCES:
patent: 4739999 (1988-04-01), Ishii et al.
patent: 4776073 (1988-10-01), Udagawa
patent: 4807892 (1989-02-01), Udagawa
patent: 4861046 (1989-08-01), Udagawa
patent: 5054795 (1991-10-01), Udagawa et al.
patent: 5082298 (1992-01-01), Uchida et al.
patent: 5092613 (1992-03-01), Udagawa
patent: 5120078 (1992-06-01), Udagawa
patent: 5201534 (1993-04-01), Miyaoh

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