Self-charging aerosol dispenser for liquids

Details Self-charging aerosol dispenser for liquids Self-charging aerosol dispenser for liquids

1990-02-02

1992-01-14

Shaver, Kevin P.

Dispensing

Fluid flow discharge

Pressurized aerosol container

2224021, 239 34, 13750536, G65D 8314

Patent

active

050802666

ABSTRACT:
A gas-propelled dispensing device for a liquid container has a high pressure vessel and a pressure gas vessel. A pressure reducing valve is provided between the two vessels so that as consumed, replacement gas is supplied to the low pressure chamber at a controlled moderate pressure. A relatively long tube delivers liquid from the bottom of the container, and a gas duct in the discharge head is connected to the low pressure vessel. Both ducts are opened by pressing the discharge head so that gas flows through a venturi passageway to draw liquid from the container which is propelled outward by the gas in a spray. Liquid carbon dioxide is a preferred nontoxic, nonflammable source of the gas propellant.

REFERENCES:
patent: 2774374 (1956-12-01), Schneider
patent: 3478933 (1969-11-01), Rousselot
patent: 3583604 (1971-06-01), Marand
patent: 3615042 (1971-10-01), Marand
patent: 4174811 (1979-11-01), Binder
patent: 4203552 (1980-05-01), Hayes
patent: 4702396 (1987-10-01), Gwiazda
patent: 4995533 (1991-02-01), Vandoninck

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