Fluid seals with unitary wear sleeve elements

Details Fluid seals with unitary wear sleeve elements Fluid seals with unitary wear sleeve elements

1985-04-10

1987-02-17

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 50, 277153, 277166, 277DIG10, 295271, F16J 1532

Patent

active

046434364

ABSTRACT:
A seal having a primary seal element including a casing element of annular form made a relatively rigid material and having an at least partially elastomeric sealing lip body bonded thereto, and a single or one-piece wear sleeve and unitizing casing portion including a radial flange acting as an axially exterior protective element preventing relative axial movement of the associated primary seal in one direction, an axially extending wear sleeve portion having a cylindrical outer diameter surface facing toward and sealingly engaged with the seal band portion of the primary lip, and a second, unitizing or locking flange of reduced thickness and reduced diameter with respect to the protective flange and preventing axial removal of the primary seal unit in the other axial direction.

REFERENCES:
patent: 2804324 (1957-08-01), Stallings
patent: 3021161 (1962-02-01), Rhoads et al.
patent: 3276115 (1966-10-01), Hansz
patent: 3341265 (1967-09-01), Paterson

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