Metal gasket with auxiliary bead

Details Metal gasket with auxiliary bead Metal gasket with auxiliary bead

1987-10-27

1988-07-26

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277234, 277236, F16J 1508

Patent

active

047595566

ABSTRACT:
A metal gasket of the invention comprises at least one metal plate including at least one fluid hole, a main bead extending around and adjacent to the fluid hole, and at least one auxiliary bead situated at an area away from a tightening device of the gasket. The auxiliary bead diverges from a part of the main bead, extends along the main bead and again merges to a part of the main bead. Therefore, an area adjacent the tightening device is sealed by the main bead, and the area away from the tightening device is sealed by the main bead and auxiliary bead to thereby provide equal sealability around the fluid hole when the gasket is tightened.

REFERENCES:
patent: 1793424 (1931-02-01), Fitzgerald
patent: 1846401 (1932-02-01), Oven
patent: 1851948 (1932-03-01), Summers
patent: 1903990 (1933-04-01), Fitzgerald
patent: 2092231 (1937-09-01), Victor

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