Reinforced diaphragm for flush valves

Details Reinforced diaphragm for flush valves Reinforced diaphragm for flush valves

1994-12-19

1996-02-13

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251331, 251368, 92103F, F16K 31145

Patent

active

054906598

ABSTRACT:
A diaphragm for flush valves has a plurality of concentric reinforcing rings spaced closer together at the smaller diameters of the diaphragm than at the larger diameters. The reinforcing rings have a geometrically progressive spacing from the inside to the outside of the diaphragm so as to provide maximum hoop stress reduction with a minimum amount of material.

REFERENCES:
patent: 2747608 (1956-05-01), Grove
patent: 4327891 (1982-05-01), Allen et al.
patent: 4883254 (1989-11-01), Whiteside

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