Elastomer coated lip seal

Details Elastomer coated lip seal Elastomer coated lip seal

1988-06-22

1989-04-04

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

Of polyisocyanurate

277152, 277166, 4284231, 4284258, 428457, 428465, 428492, B32B 1504, B32B 1506, B32B 2708, B32B 2740

Patent

active

048186201

ABSTRACT:
A lip seal having enhanced shock loading capabilities includes a rigid case member coated with an elastomeric material. A composite annular sealing lip having a bonding portion formed of an elastomeric material and a contact portion formed of polytetrafluoroethylene is bonded to the case member such that a shock absorbing elastomer to adhesive to elastomer interface is formed between the sealing lip and the case coating.

REFERENCES:
patent: 4147824 (1979-04-01), Dettmann et al.
patent: 4243235 (1981-01-01), Repella
patent: 4526383 (1985-07-01), Fuchs et al.

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