Lip seal connected to stiffening ring by rubber-elastic layer

Details Lip seal connected to stiffening ring by rubber-elastic layer Lip seal connected to stiffening ring by rubber-elastic layer

1984-02-13

1985-07-02

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277166, 277178, F16J 1532

Patent

active

045263833

ABSTRACT:
Sealing device for rotating and for reciprocating machine parts, consisting of a stiffening ring with angular profile and a lipring, the lipring consisting of PTFE or a similar material, having a rotational section deflected in the direction of the sealed medium, as well as a holding section which is fixed relatively to the inwardly directed carrying web of the profile of the stiffening ring by means of a rubber-elastic, liquid- and gastight intermediate layer, the holding section, the carrying web and the intermediate layer being connected together as one piece, the layer having a thickness of at least 0.5 mm as well as a Shore A hardness of 65 to 85.

REFERENCES:
patent: 2476324 (1949-07-01), Reich
patent: 2804324 (1957-08-01), Stallings
patent: 3099454 (1963-07-01), Walinski
patent: 4131285 (1978-12-01), Denton et al.
patent: 4283064 (1981-08-01), Staab et al.

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