Metal laminated type of cylinder head gasket with...

Details Metal laminated type of cylinder head gasket with... Metal laminated type of cylinder head gasket with...

2008-01-04

2009-10-06

Gay, Jennifer H (Department: 3676)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

C277S593000, C277S594000

Reexamination Certificate

active

07597329

ABSTRACT:
A metal laminate cylinder head gasket includes first and second metal plates laminated together. The first metal plate has a combustion hole, and an asymmetrical bead formed around the combustion hole. The asymmetrical bead has a large radius portion with a width (a) at a side of the combustion hole from a top of the bead, a small radius portion with a width (b) at the other side from the top of the bead, and a smallest radius (R). The second metal plate is laminated at a projecting side of the asymmetrical bead. A relationship between (a) and (b) is (a)>(b), the smallest radius (R) is (R)≧0.5 mm, and a relationship between the width (a) and the radius (R) is (a)≧2(R).

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