Gaskets

Details Gaskets Gaskets

1977-03-04

1980-04-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277236, F16J 1508

Patent

active

041969138

ABSTRACT:
A gasket consists of a base plate made of a thin, hard sheet such as a metal, hard rubber and/or plastic sheet and formed with one or a plurality of radially spaced apart ondulations surrounding a hole cut through the base plate so that elasticity may be imparted thereto, and overlaid on the major surfaces of the base plate are surface plates the same as or substantially similar in configuration to the base plate and made of a thin sheet having a hardness equal to or slightly less than the hardness of the base plate. According to one embodiment, auxiliary plates made of a sheet with a hardness substantially equal to that of the base plate are interposed between the base plate and the surface plates. Under the compressive load, the ondulations elastically resist the compression so that the mating surfaces of, for instance, a cylinder block and a cylinder head may be gas-tightly sealed under uniform pressure regardless of distortions of the mating surfaces due to temperature differences and the tightening force.

REFERENCES:
patent: 864419 (1907-08-01), Grey
patent: 1643561 (1927-09-01), Kinzel
patent: 1851948 (1932-03-01), Summers
patent: 2134868 (1938-11-01), Fitzgerald
patent: 2397597 (1946-04-01), Dunkle

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