Annular front-sealing gasket assembly

Details Annular front-sealing gasket assembly Annular front-sealing gasket assembly

1986-09-30

1987-08-25

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 92, 277 95, 277152, 305 11, F16J 1532, F16J 1534

Patent

active

046888055

ABSTRACT:
The gasket assembly comprises an annular gasket (20) and a coaxial thrust ring. The central portion of the ring (20) is bounded by two faces (35) and (36) which are parallel and inclined so that the thickness of the central portion remains constant. The face (35) meets a face (34) by way of a portion (37) forming a right angle therewith, and the face (36) meets a face (32) by way of a portion (38) forming a right angle therewith. The contacting surface between the ring (30) and annular cavity (8) and between the gasket (20) and annular cavity (8) do not vary substantially as the degree of compression of the assembly varies; moreover, the deformation to which the ring (300) is subjected is substantially one of flexure. This means that as the degree of compression varies, in proximity to the working position, the axial thrust transmitted by the ring (30) to the annular gasket (28) does not vary substantially.

REFERENCES:
patent: 2289274 (1942-07-01), Krug
patent: 3241843 (1966-03-01), Hatch et al.
patent: 3940154 (1976-02-01), Olsson
patent: 4094516 (1978-06-01), Morley et al.
patent: 4132418 (1979-01-01), Roli
patent: 4195852 (1980-04-01), Roley et al.
patent: 4262914 (1981-04-01), Roley
patent: 4331339 (1982-05-01), Reinsma
patent: 4469336 (1984-09-01), Linne

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