Aerosol dispenser and valve

Details Aerosol dispenser and valve Aerosol dispenser and valve

1989-05-18

1990-12-18

Skaggs, H. Grant

Dispensing

With discharge assistant

Fluid pressure

137 43, B65D 8314

Patent

active

049780387

ABSTRACT:
A valve is provided for use with a pressurized dispenser of the type intended for both upright and inverted operation. The valve includes a valve body having an inclined inverting fluid chamber which houses a weighted ball. A pick-up tube is connected to each end of the inclined chamber, one is directed to the lower end of the container and the other to the upper end. The ball is movable within the inclined chamber between one end and the other and is adapted to close off one of the inlets, depending on which end it is located. External forces such as gravity or those forces developed during shaking or swirling movement of the container influence the location of the ball within the chamber. A stem portion of the valve includes an upper nozzle output and a lower divider portion. The divider is adapted to enter the inclined chamber during depression of the stem and retain the immediate location of the ball (one end or the other) prior to the valve opening. The ball's movement is prevented regardless of any external forces acting on the valve.

REFERENCES:
patent: 3447551 (1969-06-01), Braun
patent: 3542254 (1970-11-01), Samuelson et al.
patent: 3545488 (1970-12-01), Venus
patent: 3733013 (1973-05-01), Doyle

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