Metal gasket

Details Metal gasket Metal gasket

2006-02-07

2006-02-07

Pickard, Alison K. (Department: 3673)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

C277S593000, C277S595000

Reexamination Certificate

active

06994353

ABSTRACT:
A gasket is interposed at a joining portion between two members. The gasket includes a gasket base plate having an opening through which fluid flows and a plurality of annular beads formed in a wave shape over a predetermined area extending outwardly from a hole edge of the opening; and at least one shim covering only the annular beads. The shims are laser-welded at a welding portion to cover the beads. Thus, the metal gasket does not have a pressure trace on abutting surfaces of a cylinder head.

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patent: 1065417 (2001-01-01), None
patent: 2001-295941 (2001-10-01), None
patent: WO 01/96768 (2001-12-01), None

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