Head gasket with sealing rings having multi-stage compressibilit

Details Head gasket with sealing rings having multi-stage compressibilit Head gasket with sealing rings having multi-stage compressibilit

1990-07-17

1991-12-31

Will, Thomas B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235B, F16J 1512

Patent

active

050765922

ABSTRACT:
A head gasket sealing assembly having a two-stage seal ring positioned to sealingly circumscribe each said combustion opening, each seal ring defining a pair of annular sections which are integrally formed, one of which lies radially inwardly of the other, one section being readily deformable and compressible and having a vertical dimension greater than that of the second section and providing an initial compressible seal, the second section being less readily deformable and compressible in use and providing a secondary seal and resistance to thermal push in use.

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patent: 4915355 (1990-04-01), Fort

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