Metal plate with intersecting beads

Details Metal plate with intersecting beads Metal plate with intersecting beads

1991-12-18

1992-12-15

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277213, 277236, F16J 1508

Patent

active

051709279

ABSTRACT:
A metal plate for a gasket is provided with a plurality of beads around portions to be sealed. The beads intersect with each other to form an intersecting portion, which has a central portion, an outer portion outside the central upper portion and at least three side portion extending between side edges of the beads adjacent to each other. At least two side portions are curved to orient toward the intersecting portion and are located on or inside a part of an imaginary circular line. A radius of the imaginary circular line is at least twice as much as the width of the bead. Therefore, when the metal plate is tightened, the central portion is at first compressed to support the outer portion outside the central portion to thereby provide surface pressure substantially the same as that on the bead outside the intersecting portion.

REFERENCES:
patent: 4372564 (1983-02-01), Nicholson
patent: 4759556 (1988-07-01), Udagawa
patent: 4765634 (1988-08-01), Kobayashi et al.
patent: 4791897 (1988-12-01), Udagawa
patent: 4815750 (1989-03-01), Yoshino
patent: 4861047 (1989-08-01), Okano
patent: 4869515 (1989-09-01), Uchida

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