Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal between parts of internal combustion engine
Patent
1997-09-23
1999-11-23
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
Patent
active
059886510
ABSTRACT:
A metal gasket of the invention is used for a cylinder head gasket or a pipe connecting gasket. The gasket is basically formed of a single metal plate having a base portion extending substantially throughout an entire area to be sealed, and includes a bead protecting portion extending outwardly from the front surface and a sealing bead adjacent to the bead protecting portion. The bead protecting portion and the sealing bead are formed in the metal plate. The bead protecting portion has no substantial compressibility, but the sealing bead has a compressibility. Thus, when the metal plate is compressed, the bead protecting portion provides a surface pressure without substantial resiliency, and the sealing bead provides a surface pressure with resiliency and is protected from being completely compressed by the bead protecting portion. The gasket can be made thin.
REFERENCES:
patent: 3053544 (1962-09-01), Gorsica
patent: 4721315 (1988-01-01), Veta
patent: 5601292 (1997-02-01), Tanaka et al.
patent: 5842702 (1998-12-01), Vdagawa
Patent Abstracts of Japan, vol. 11, No. 111 (M-578), Apr. 8, 1987, JP61-255253 (Nippon Metal) Nov. 12, 1986.
Beres John L.
Ishikawa Gasket Co. Ltd.
Knight Anthony
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