Lip seal with radially compressible support band

Details Lip seal with radially compressible support band Lip seal with radially compressible support band

1992-02-18

1993-05-25

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277157, 384485, 267 15, F16J 1532

Patent

active

052133427

ABSTRACT:
A seal assembly includes an annular elastomeric seal element, and a resilient annular reinforcing element nested within the elastomeric element to exert a radial biasing force that increases the effective sealing force even in the presence of shrinkage, wear or loss of elasticity in the elastomeric element. The reinforcing element preferably is a spring steel band having a sinuous circumferential configuration so that the band can expand or contract to exert a desired force on the elastomeric element and can expand or contract to facilitate its installation in certain applications.

REFERENCES:
patent: 1582562 (1926-04-01), Vogel
patent: 2521145 (1950-09-01), Blake et al.
patent: 2594164 (1952-04-01), Hedberg
patent: 2891831 (1959-06-01), Baker
patent: 3837631 (1974-09-01), Evans et al.
patent: 4133542 (1979-01-01), Janian et al.
patent: 4508356 (1985-04-01), Janian
patent: 4626002 (1986-12-01), Hagemeister et al.
patent: 5118206 (1992-06-01), Otto et al.

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