Vortex gasket with composition for high-temperature and high-pre

Details Vortex gasket with composition for high-temperature and high-pre Vortex gasket with composition for high-temperature and high-pre

1984-09-04

1986-12-16

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235B, 277DIG6, 428281, F16J 1512, B32B 1902

Patent

active

046291997

ABSTRACT:
A gasket including a sheet having a composition of 40 to 80% by weight of thin flakes of expanded vermiculite, 1 to 30% by weight of fibers, 5 to 40% by weight of fine filling grains, and appropriate amounts of a binding agent and a vulcanizing agent. The sheet also has a metal plate laminated thereto. A vortex gasket may be formed by spirally winding a metal hoop together with a filling material, which is composed primarily of expanded vermiculite.

REFERENCES:
patent: 2012951 (1935-09-01), Brinker et al.
patent: 2442311 (1948-05-01), Price
patent: 2882083 (1959-04-01), Palumbo et al.
patent: 3905090 (1975-09-01), Painter
patent: 4019244 (1977-04-01), Owen et al.
patent: 4271228 (1981-06-01), Foster et al.

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