Valve gasket

Details Valve gasket Valve gasket

2008-07-08

2008-07-08

Derakshani, Philippe (Department: 3754)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

Reexamination Certificate

active

07396019

ABSTRACT:
A valve gasket for sealing a fluid dispenser device comprising a valve, in particular a metering valve, mounted on a fluid reservoir, said gasket being characterized in that it comprises an alloy of vulcanized ethylene vinyl acetate (EVA) and/or of butyl (IIR) or of vulcanized halobutyl (CIIR or BIIR) with one or more materials selected from the group constituted by polyoctene ethylene (POE), ethylene propylene (EP), ethylene propylene diene monomer (EPDM) and chloroprene rubber (CR), all of these materials being vulcanized.

REFERENCES:
patent: 3858764 (1975-01-01), Watson
patent: 6131777 (2000-10-01), Warby
patent: 6158629 (2000-12-01), Abplanalp et al.
patent: 2 323 597 (1998-09-01), None
patent: WO 00 37582 (2000-06-01), None

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