Unattended aerosol dispenser

Details Unattended aerosol dispenser Unattended aerosol dispenser

1975-11-13

1978-03-07

Tollberg, Stanley H.

Dispensing

Simulations

Firearms

2224022, B67D 508

Patent

active

040775429

ABSTRACT:
An aerosol dispenser having a labyrinth or tortuous passage flow control body to cause gradual reduction in pressure and effect separation of the product and propellent issuing from an aerosol container into gaseous and liquid components, the components between discharge cycles collecting in an accumulator region containing a snap action diaphram, which in response to a selected pressure, snaps open to discharge a small quantity of product and propellent in predetermined sequence to produce a crisp discharge of the product without initial or residual dribble or trickle. The dispenser may be formed integrally with the container and thus expendable, or the pressure reducing and flow control means may be integral with the container and expendable therewith, the remaining portion of the dispenser being removable for reuse, or the entire dispenser may be arranged for removable attachment to a conventional container. Also, the dispenser may include a manual override. Still further, the dispenser may be arranged to discharge a single phase aerosol in which the propellent is distributed throughout the product, or arranged to discharge a dual phase aerosol, in which the product and propellent exist in a separated state in the container.

REFERENCES:
patent: 3419189 (1968-12-01), Iketani
patent: 3477613 (1969-11-01), Mangel
patent: 3658209 (1972-04-01), Freeman et al.
patent: 3756472 (1973-09-01), Vos
patent: 3893597 (1975-07-01), Ewald
patent: 3968905 (1976-07-01), Pelton

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