Aerosol container and valve assembly for automatically signallin

Details Aerosol container and valve assembly for automatically signallin Aerosol container and valve assembly for automatically signallin

1983-03-07

1986-02-25

Rolla, Joseph J.

Dispensing

With recorder, register, indicator, signal or exhibitor

Audible

22240219, 222464, 239342, B67D 532, B65D 8306

Patent

active

045724067

ABSTRACT:
Disclosed herein is an improved aerosol assembly which may be used inverted and upright and which, when used in the inverted position, will automatically provide an audible signal that a predetermined amount of the container contents has been depleted. A valve body defining a hollow interior and a base has a hollow diptube operatively connected to the valve body interior and reaching at its lower end to the bottom of an associated aerosol container. A moveable valve stem is provided for placing the valve body interior in communication with the exterior of the aerosol container. A liquid level spray control is provided and defines a control opening positioned between the valve body base and the diptube lower end. The opening is positioned no closer to the valve body base than 20% of the distance between the base and the diptube lower end and no farther from the base than 80% of the distance between the base and the diptube lower end. The control opening is in open flow communication with the valve body interior when the aerosol container and associated valve assembly are in their inverted position. A valve having a ball for automatically sealing the control opening from communication with the valve body interior when said aerosol container and valve assembly is in an upright position is provided.

REFERENCES:
patent: 2924360 (1960-02-01), Samuel
patent: 2968428 (1961-01-01), Samuel
patent: 3545488 (1970-12-01), Venus, Jr.
patent: 4371098 (1983-02-01), Nozawa et al.
patent: 4475667 (1984-10-01), Ori et al.

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