Sealing device with an elastomeric ring having two sealing lips

Details Sealing device with an elastomeric ring having two sealing lips Sealing device with an elastomeric ring having two sealing lips

1987-06-19

1988-09-13

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 82, 277 84, F16J 1534, F16J 1532

Patent

active

047704250

ABSTRACT:
A sealing assembly which can be interposed between two relatively movable members to make a seal between the cavity lying between the said members and the exterior environment, composed of two annular elements each of which is firmly connected to one of the said members and on one of which are formed two sliding surfaces perpendicular to one another. The prinipal characteristic of the sealing assembly lies in the fact that it includes an annular sealing element having a sleeve-like lip on which is mounted a resilient element and radially from which extends an annular projection which can slide on one of the sliding surfaces, and a root zone from which extends a second lip independent of and substantially parallel to the first lip and able to slide on the other of the sliding surfaces.

REFERENCES:
patent: 3022081 (1962-02-01), Kosatka
patent: 3306683 (1967-02-01), Deuring
patent: 3363911 (1968-01-01), McKinven
patent: 3601411 (1971-08-01), Bourgeois
patent: 4497495 (1985-02-01), Christiansen
patent: 4516783 (1985-05-01), Mitsue et al.
patent: 4527673 (1985-07-01), Szcupak

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