Metal gasket

Details Metal gasket Metal gasket

2008-05-06

2008-05-06

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

C277S594000, C277S595000

Reexamination Certificate

active

11269605

ABSTRACT:
A metal gasket for sealing multiple cylinder bores includes one or more metal substrates, main sealing beads around each of the cylinder bores, and one or more sub-beads. The main sealing beads include meandering portions located in a sealing portion between the cylinder bores, and the sub-bead is provided between the meandering portions. By placing the sub-bead between the main bead meandering portions, the base portion of the meandering portion and the base portion of the sub-bead squeeze each other. As a result, the lower portion of the meandering portion can be prevented from slipping, and the surface pressure can be partially reinforced. The metal gasket provides an excellent seal in a location where surface pressure is often partially reduced.

REFERENCES:
patent: 6036195 (2000-03-01), Udagawa
patent: 2003/0062691 (2003-04-01), Diez et al.

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