Metallic gasket

Details Metallic gasket Metallic gasket

1987-10-29

1989-01-24

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277234, 277235B, F16J 1508

Patent

active

047996951

ABSTRACT:
A metallic gasket having a base plate made of an elastic metal plate formed with a combustion chamber hole. A bead is formed on the base plate around the combustion chamber hole. A subplate having a bead is laminated on this base plate. An edge of the subplate, around the combustion chamber hole, is folded back so as to surround and sandwich the edge of the base plate, thereby constituting a compensating rim portion having a predetermined thickness larger than that of the other portion. When the cylinder head is tightened, the metallic gasket is compressed and deformed. However, a sealing effect is assured due to the thick compensating portion.

REFERENCES:
patent: 1050132 (1913-01-01), Haynes
patent: 2034610 (1936-03-01), Dickson
patent: 2397597 (1946-04-01), Dunkle
patent: 3477867 (1969-11-01), Hillier
patent: 3567234 (1971-03-01), Skrycki
patent: 3738558 (1973-06-01), Colwell
patent: 3806138 (1974-04-01), Herrington
patent: 4196913 (1980-04-01), Oka
patent: 4290616 (1981-09-01), Nicholson
patent: 4471968 (1984-09-01), Schlaupitz et al.

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