Metal gasket

Details Metal gasket Metal gasket

2006-11-07

2006-11-07

Patel, Vishal (Department: 3673)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

C277S598000

Reexamination Certificate

active

07131649

ABSTRACT:
A metal gasket is formed by first and second metal base plates. The first metal base plate has a first main bead, and first outer and inner sub-bead sections formed outside and inside the first main bead and projecting outwardly in a direction opposite to the first main bead. The second metal base plate has a second main bead, and second outer and inner sub-bead sections formed outside and inside the second main bead and projecting outwardly in a direction opposite to the second main bead. A distance between the second outer and inner sub-bead sections is greater than that between the first outer and inner sub-bead sections. When the first and second metal base plates are assembled, the second outer and inner sub-bead sections entirely sandwich the first outer and inner sub-bead sections therebetween to substantially abut against each other at side peripheries thereof.

REFERENCES:
patent: 4387904 (1983-06-01), Nicholson
patent: 4759585 (1988-07-01), Udagawa
patent: 4948153 (1990-08-01), Takahashi et al.
patent: 5199723 (1993-04-01), Udagawa
patent: 5232229 (1993-08-01), Udagawa
patent: 01285645 (1989-11-01), None
patent: 04095669 (1992-03-01), None
patent: 09229198 (1997-09-01), None

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