Metal laminate gasket

Details Metal laminate gasket Metal laminate gasket

2007-11-06

2007-11-06

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, C277S600000

Reexamination Certificate

active

11328201

ABSTRACT:
A metal gasket for an internal combustion engine includes a first metal plate with a folded portion; a ring member with a sandwiched portion having a sealing bead and an extension portion, with the sandwiched portion being sandwiched in the folded portion to provide a primary sealing portion; a second metal plate laminated to the folded portion of the first metal plate so as to sandwich the extension portion to provide a secondary sealing portion; and a third metal plate sandwiched between the first metal plate and the second metal plate in a portion of the gasket separate from the sandwiched extension portion. In the event that the cylinder head lift becomes greater than the following capability of the sealing bead in the primary sealing portion, the secondary sealing portion provides excellent following capability relative to the lift.

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patent: 2005/0179210 (2005-08-01), Sueda

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