Unitized polytetrafluoroethylene radial lip seal

Details Unitized polytetrafluoroethylene radial lip seal Unitized polytetrafluoroethylene radial lip seal

1992-05-26

1993-05-11

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 35, 277 37, 277 11, 277152, 384477, 384486, 384487, F16J 1532

Patent

active

052094995

ABSTRACT:
A unitized radial lip seal assembly includes an outer annular case and an inner annular wear sleeve loosely interlocked by flanges or walls formed at the axial ends of the wear sleeve. After initial installation of the unitized assembly within a housing, the wear sleeve can be axially shifted a slight distance to provide a slight axial separation of the wear sleeve from the annular case. Two separate lip seal elements are mounted to the outer annular case and protected from damage during shipping and installation by abutting surfaces of the case and wear sleeve.

REFERENCES:
patent: 3114558 (1963-12-01), Rhoads et al.
patent: 3341264 (1967-09-01), Otto
patent: 3341265 (1967-09-01), Paterson
patent: 3510138 (1970-05-01), Bowen et al.
patent: 4432557 (1984-02-01), Drucktenhengst
patent: 4436317 (1984-03-01), Schmitt
patent: 4818620 (1989-04-01), Pilkington
patent: 4936591 (1990-06-01), Romero
patent: 5024364 (1991-06-01), Nash
patent: 5129744 (1992-07-01), Otto et al.

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