Metal gasket with peripheral bead

Details Metal gasket with peripheral bead Metal gasket with peripheral bead

1997-06-13

1999-10-05

Brittain, James R.

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

277593, F02F 1100

Patent

active

059611260

ABSTRACT:
A metal gasket for an internal combustion engine is formed of a metal plate having a first side and a second side opposite to the first side, and at least one first hole corresponding to a cylinder bore. The first hole is located closer to the first side than to the second side to thereby form a first area at the first side and a second area greater than the first area at the second side. A first bead is formed in the metal plate to extend along an entire outer periphery of the metal plate. The first bead has a first portion located at the first side and a second portion located at the second side. The first portion has a spring constant greater than that at the second portion to thereby provide a tightening pressure on the metal plate as equal as possible. When sealing devices are formed around the fluid holes, the sealing devices can be equally compressed to securely seal therearound.

REFERENCES:
patent: 4721315 (1988-01-01), Ueta
patent: 5076595 (1991-12-01), Udagawa
patent: 5344165 (1994-09-01), Miyaoh et al.
patent: 5431418 (1995-07-01), Hagiwara et al.

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