Three layer metal gasket with dual coating

Details Three layer metal gasket with dual coating Three layer metal gasket with dual coating

1994-09-22

1996-02-13

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235A, F10J 1508

Patent

active

054906814

ABSTRACT:
An improved multi-layer gasket comprises only three metal plates and incorporates a dual coating system with different coatings applied to specific layers of the gasket. Through the orientation of the layers, a high temperature coating is used to enhance a combustion gas seal while an elastomer seal coating enhances a fluid seal. Through the selection of base metal thicknesses and coating thicknesses, an increased thickness area can be achieved to obtain an optimum load balance between the combustion seal and the fluid seal.

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patent: 5431418 (1995-07-01), Hagiwara et al.

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