Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal between parts of internal combustion engine
Patent
1994-11-23
1998-12-01
DePumpo, Daniel G.
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal between parts of internal combustion engine
277595, 277597, F16J 1508
Patent
active
058427023
ABSTRACT:
A metal laminate type cylinder head gasket of the invention is basically formed of first and second metal plates laminated together. The first metal plate includes a heat preventing portion for defining a first hole for a cylinder bore, a main sealing portion situated around the heat preventing portion, and a base portion. The heat preventing portion shuts off heat from the cylinder bore thereat, and the main sealing portion forms a solid portion for sealing around the first hole. The base portion extends from the main sealing portion to substantially cover the entire area of the engine. The second metal plate includes a second hole with a diameter greater than a diameter of the main sealing portion, and is situated adjacent to the base portion of the first metal plate. The second metal plate is not substantially affected by heat in the cylinder bore.
REFERENCES:
patent: 1812578 (1931-06-01), Bailey
patent: 3352564 (1967-11-01), Johnson
patent: 3567234 (1971-03-01), Skrycki
patent: 4834399 (1989-05-01), Udagawa et al.
patent: 5092613 (1992-03-01), Udagawa
patent: 5240261 (1993-08-01), Udagawa et al.
patent: 5255926 (1993-10-01), Udagawa
DePumpo Daniel G.
Ishikawa Gasket Co. Ltd.
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