Metal gasket with opposite flanges

Details Metal gasket with opposite flanges Metal gasket with opposite flanges

Filed on

1997-08-12

Date issued

1999-04-20

Examiner

Nicholson, Eric K.

Patent Class

Seal for a joint or juncture

SubClass

Seal between fixed parts or static contact against...

SubSubClass

Contact seal between parts of internal combustion engine

Other Related Categories

277594, F02F 1100

Type

Patent

Status

active

Patent number

058950559

Description

ABSTRACT:
A metal gasket used for an internal combustion engine is basically formed of a metal plate. The gasket includes at least two openings with a narrow intermediate area therebetween, edge portions situated around the openings, curved portions extending from the edge portions to define the openings, the curved portions situated adjacent to each other extending in the directions opposite to each other, and flange or turning portions extending from the curved portions and located over the edge portions. A stepped portion is located between the edge portions situated adjacent to each other. Therefore, when the gasket is tightened, the stepped portion is compressed to provide a surface pressure thereat to seal the narrow intermediate area.

REFERENCES:
patent: 1589040 (1926-06-01), Bailey
patent: 3567234 (1971-03-01), Skrycki
patent: 4815750 (1989-03-01), Yoshino
patent: 5094468 (1992-03-01), Hieble
patent: 5280928 (1994-01-01), Kosaku et al.

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