Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1980-08-29
1981-11-03
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277DIG6, 428247, 428268, F16J 1522
Patent
active
042982073
ABSTRACT:
A gasket material has a resilient core of glass fiber and a jacket of glass or other suitable fiber over said core. The jacket and core may have therebetween an essentially impermeable sheath of a chemically resistant material. The jacket has therein enough polytetrafluoroethylene in dispersed form to prevent flow of liquid therethrough. The core may have enough of the polytetrafluoroethylene dispersion therein to prevent wicking.
REFERENCES:
patent: 2895759 (1959-07-01), Conrad et al.
patent: 3534652 (1970-10-01), Zumeta et al.
patent: 3791658 (1974-02-01), Zumeta et al.
Case Edward M.
Hopper Chester S.
The Marlo Company, Inc.
Ward, Jr. Robert S.
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