Metal gasket with a bead having pressure adjusting portion

Details Metal gasket with a bead having pressure adjusting portion Metal gasket with a bead having pressure adjusting portion

1995-06-27

1996-11-05

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1508

Patent

active

055708927

ABSTRACT:
A metal gasket of the invention is used as a cylinder head gasket or a manifold gasket. The gasket is formed of a metal plate for constituting a metal gasket, at least one fluid hole, a plurality of bolt holes, and a bead formed in the metal plate to completely surround the fluid hole for sealing the same. The bead includes a waving portion at a portion where high pressure is applied when the engine is operated, and a non-waving portion. The waving portion has a covering area greater than that at the non-waving portion. Therefore, the waving portion can support pressure without creep relaxation.

REFERENCES:
patent: 4721315 (1988-01-01), Ueta
patent: 4759556 (1988-07-01), Udagawa
patent: 5149110 (1992-09-01), Inamura
patent: 5269541 (1993-12-01), Inamura
patent: 5344165 (1994-09-01), Miyaoh et al.
patent: 5382029 (1995-01-01), Udagawa et al.
patent: 5427389 (1995-06-01), Ishikawa et al.

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