Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1992-07-16
1994-09-20
Gutierrez, Diego F. F.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277180, F16J 1508
Patent
active
053483154
ABSTRACT:
The metallic gasket consists of a first elastic metallic plate having beads and folded portions and a second elastic metallic plate having beads, laminated on each other. The folded portions are formed by bending the plate alone the circumferences of cylinder bore holes, and the beads are formed on the portions of the plate spaced from the circumferences of the cylinder bore holes at a predetermined distance in the radially outward direction thereof, whereby double annular seal portions are formed. The projecting portions of the beads on the second elastic metallic plate are fitted in or brought into contact with the recessed portions or projecting portions of the beads on the first elastic metallic plate. The spring constant of the gasket becomes equal to the sum of those of the two plates, and this enables the stress carried by the plates to be lessened, and the durability of the gasket to be improved. It is also possible to reduce the width of the parts of the beads which are between the cylinder bore holes and use such a gasket suitably for an engine in which the distance between cylinder bores is small.
REFERENCES:
patent: 3053544 (1992-09-01), Gorsica
patent: 4203608 (1980-05-01), Nicholson
patent: 4728110 (1988-03-01), Nakasone
patent: 4836562 (1989-06-01), Yoshino
patent: 5213345 (1993-05-01), Udagawa
Inoue Kunitoshi
Kawaguchi Shigeru
Kubouchi Kenji
Uemura Hiroshi
DePumpo Daniel G.
Gutierrez Diego F. F.
Nippon Gasket Co. Ltd.
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