Metering valve for pressurized container

Details Metering valve for pressurized container Metering valve for pressurized container

1977-11-01

1979-05-15

Spar, Robert J.

Dispensing

With discharge assistant

Fluid pressure

222464, B65D 8314

Patent

active

041543785

ABSTRACT:
A metering arrangement for dispensing a predetermined quantity of product each time the dispensing valve of a pressurized container is operated. A flexible wall feed tube within the container is connected to the valve inlet, the tube having a restriction therein. Operating the dispensing valve reduces pressure in the tube, because of the restriction, to dispense the quantity of product, and to cause the tube wall to collapse and create a seal. When the valve is released, the pressure on the inside and outside of the tube equalizes by flow through the restriction.

REFERENCES:
patent: 2778543 (1957-01-01), Urlaub
patent: 2815889 (1957-12-01), Stetz et al.
patent: 3104785 (1963-09-01), Beard
patent: 3377004 (1968-04-01), Kjelson
patent: 3502035 (1970-03-01), Fedit et al.
patent: 3998364 (1976-12-01), Hollander

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