Lip sealing ring and method for its manufacture

Details Lip sealing ring and method for its manufacture Lip sealing ring and method for its manufacture

1977-11-23

1978-11-14

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277179, 277DIG6, 156329, 156308, 277152, F16J 1532

Patent

active

041252667

ABSTRACT:
In a lip sealing ring made of two elastomer materials including, a first elastomeric material made from a non-fluoroelastomer, a second elastomeric material made of a fluoroelastomer and serving as the sealing lip, and an embedded reinforcing metal ring, the improvement wherein the non-fluoroelastomer material is an acrylelastomer consisting of a terpolymer of ethylene, methylacrylate and a carboxyl containing monomer, with the sealing lip portion and the non-fluoroelastomer portion being vulcanized to the metal ring with a binder comprised of a mixture of monomeric silanes.

REFERENCES:
patent: 2697623 (1954-12-01), Mosher
patent: 2837359 (1958-06-01), Corsi
patent: 3022196 (1962-02-01), Jenkins et al.
patent: 3099454 (1963-07-01), Walinski
patent: 3362719 (1968-01-01), McCormick
patent: 3440122 (1969-04-01), McCormick

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