Engine gasket with oil impermeable surface

Details Engine gasket with oil impermeable surface Engine gasket with oil impermeable surface

1990-02-02

1991-06-18

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

264129, 277235B, B05D 302

Patent

active

050248634

ABSTRACT:
A method is shown for manufacturing an engine gasket having reduced oil permeability. The engine gasket is formed in the desired shape from a silicone rubber compound having an inner surface exposed to hot engine oil and an outer surface. A silicone varnish coating is applied to at least the inner surface of the engine gasket, whereby the inner surface is substantially coated by the silicone varnish coating.

REFERENCES:
patent: 4500100 (1985-02-01), Bindel et al.
patent: 4580794 (1986-04-01), Gibbons
patent: 4681800 (1987-07-01), Zerfass et al.
patent: 4720316 (1988-01-01), Ruoff

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