Flush valve diaphragm having plastic insert

Details Flush valve diaphragm having plastic insert Flush valve diaphragm having plastic insert

1980-07-30

1982-05-04

Walton, George L.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

92103F, 251 40, 251 45, 251 611, F16K 31145

Patent

active

043278914

ABSTRACT:
A diaphragm for a flush valve is made of molded rubber with a plastic insert for strengthening the diaphragm. The insert includes reinforcing means located at the points where the diaphragm is attached to the valve parts. There is also a plurality of spaced, rigid sections placed between the points of attachment. Connecting means are provided for connecting the reinforcing means and the rigid sections together. The connecting means is arranged to permit flexibility of the diaphragm in two planes. Thus, the diaphragm is permitted to flex both in the plane of the diaphragm and perpendicular to the diaphragm.

REFERENCES:
patent: 1714573 (1929-05-01), Sloan
patent: 2046004 (1936-06-01), Sloan
patent: 2776812 (1957-01-01), Colendar
patent: 2916251 (1959-12-01), Butts
patent: 3911796 (1975-10-01), Hull et al.

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