Metal gasket for marine engine

Details Metal gasket for marine engine Metal gasket for marine engine

2007-07-27

2009-06-23

Olson, Lars A (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

C277S592000

Reexamination Certificate

active

07549904

ABSTRACT:
A metal gasket is made up of a backing material made of stainless steel, a galvanizing film is formed on a surface of the backing material, and a sealing rubber film is formed on a surface of the galvanizing film. In one embodiment a silane coupling type vulcanizing adhesive is applied to the surface of the galvanizing film and heated at a temperature of 100° C. to 200° C. for a prescribed period to generate a zinc oxide film on the surface of the galvanizing film and to bake the silane coupling type vulcanizing adhesive. Vinylidene fluoride type rubber containing a polyol type vulcanizing agent can be calcined onto its surface to form the sealing rubber film. The metal gasket can be provided on a mating surface of a cylinder head and a cylinder body of an engine provided in an outboard motor.

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