Metal laminate gasket with wide and narrow flange portions

Details Metal laminate gasket with wide and narrow flange portions Metal laminate gasket with wide and narrow flange portions

1998-09-08

2000-10-31

Knight, Anthony

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

277595, F16J 1508, F02F 1100

Patent

active

061390259

ABSTRACT:
A metal laminate gasket for an internal combustion engine is formed of first, second and third metal plates. The first metal plate includes a base portion, a curved portion extending from the base portion to define a hole for a cylinder bore, and a flange extending from the curved portion and disposed under the base portion. The flange has a plurality of wide flange portions and narrow flange portions alternately arranged to each other such that the wide flange portions are located near bolt holes arranged around the cylinder bore to support high tightening pressures applied thereto. The second plate is situated under the base portion, and has a first bead formed around the cylinder bore and disposed between the base portion and the flange. The third plate is situated between the base portion and the second metal plate, and is located outside the flange. The tightening pressures by bolts are supported by the wide and narrow flange portions to securely seal around the cylinder bore.

REFERENCES:
patent: 4721315 (1988-01-01), Ueta
patent: 4898396 (1990-02-01), Udagawa
patent: 4915398 (1990-04-01), Kitagawa
patent: 5058908 (1991-10-01), Udagawa
patent: 5435575 (1995-07-01), Udagawa
patent: 5634646 (1997-06-01), Miyaoh
patent: 5957463 (1999-09-01), Inamura

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