Metal gasket

Details Metal gasket Metal gasket

1998-02-19

2000-05-16

Knight, Anthony

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

060625724

ABSTRACT:
A metal gasket including a thin metal plate (1) provided with beads (3) and step members (4) each of which includes a coating layer having a property of high load resistance. The step member (4) is attached to the bead along a convex ridge of the bead (3), thereby increasing a quantity of compression of the bead (3), to cause a great surface pressure and decreasing an amplitude of stress in the bead (3) to improve a property of fatigue resistance of the bead (3). Also, the step member (4) is attached to the bead within a concave surface of the bead, thereby restraining the quantity of compression of the bead (3) to improve the property of fatigue resistance of the bead (3) and assuring the surface pressure on the concave surface of the bead by the step member (4).

REFERENCES:
patent: 4140323 (1979-02-01), Jacobs
patent: 4519619 (1985-05-01), Doyle
patent: 5150910 (1992-09-01), Udagawa
patent: 5582415 (1996-12-01), Yoshida et al.
patent: 5700015 (1997-12-01), Tensor

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