Dispenser using belleville diaphragm

Details Dispenser using belleville diaphragm Dispenser using belleville diaphragm

1978-01-13

1979-07-31

Spar, Robert J.

Dispensing

Fluid flow discharge

Fluid flow generated by manually actuated working member

222212, 239327, B65D 3700

Patent

active

041627482

ABSTRACT:
Each of first and second shallow hollow cylinders has a closed end and an open end, said cylinders being interconnected at their open ends with the first cylinder being disposed concentrically within the second cylinder. Each cylinder is rotatable through a selected arc with respect to the other cylinder between open and closed positions, the cylinders having cooperating structures which define a channel in the outer surface of the first cylinder which forms a circular arc and which lies in a plane perpendicular to the axes of the cylinders. The first cylinder has first and second oppositely disposed openings extending through the cylinder wall and lying in the plane of the channel, the second cylinder having a third opening extending through the cylinder wall which when the cylinders are in the open position is in registration both with the first opening and the channel and when the cylinders are in the closed position is out of registration with the first opening and the channel. The closed end of the second cylinder defines a belleville diaphragm.

REFERENCES:
patent: 2048698 (1936-07-01), Howell
patent: 2786717 (1957-03-01), Rausch

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