Flexible diaphragm valve device

Details Flexible diaphragm valve device Flexible diaphragm valve device

1979-11-01

1981-12-08

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

251 611, 251331, 128214R, 222450, A61M 514

Patent

active

043042600

ABSTRACT:
A valve device for a metering unit is provided with a planar sheet flexible diaphragm adapted to be formed in the area over the valve seat by placing the valve cover on the valve body with the flexible diaphragm therebetween. Means for forming the planar sheet flexible diaphragm over the valve area into an arcuate-shaped fluid channel portion are provided on the valve case.

REFERENCES:
patent: 3286977 (1966-11-01), Miottel
patent: 3685789 (1972-08-01), Puster et al.
patent: 3693611 (1972-09-01), Ploss
patent: 3718552 (1973-02-01), Krackman
patent: 3727623 (1973-04-01), Robbins
patent: 3743245 (1973-07-01), Demier, Sr.
patent: 4121584 (1978-10-01), Turner et al.
patent: 4142523 (1979-03-01), Stegeman
patent: 4181245 (1980-01-01), Garret et al.
patent: 4204538 (1980-05-01), Cannon
patent: 4223813 (1980-09-01), Garrett et al.

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