Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1994-10-19
1995-10-24
DePumpo, Daniel G.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277180, F16J 1508
Patent
active
054603870
ABSTRACT:
A metal laminate gasket of the invention is used for an internal combustion engine having at least one hole to be sealed. The gasket is basically formed of first and second metal plates extending substantially throughout an entire area of the engine. The first plate includes an annular recess formed at an upper side around a first hole to form a stepped portion. The second plate includes a curved portion to define a second hole to be located inside the first hole, and a flange extending from the curved portion in a direction away from the second hole. The flange has a thickness greater than the depth of the annular recess. When the gasket is assembled, the flange is located above the annular recess. The flange provides surface pressure around the hole of the engine greater than that outside the recess when the gasket is tightened. The surface pressure around the hole may be precisely adjusted.
REFERENCES:
patent: 4836562 (1989-06-01), Yoshino
patent: 5125375 (1992-06-01), Uuk
patent: 5310196 (1994-05-01), Kawaguchi et al.
patent: 5408963 (1995-04-01), Miyaoh et al.
Inamura Susumu
Miyaoh Yoshio
DePumpo Daniel G.
Ishikawa Gasket Co. Ltd.
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