Aerosol dispenser with inner container and piston

Details Aerosol dispenser with inner container and piston Aerosol dispenser with inner container and piston

1977-05-25

1978-08-22

Tollberg, Stanley H.

Fluent material handling, with receiver or receiver coacting mea

Processes

Filling dispensers

141 20, 222389, B65D 8314

Patent

active

041082192

ABSTRACT:
A can for spraying atomized liquids comprising a pair of coaxial cylinders, the outer cylinder forming the sealed can body. The liquid to be atomized and sprayed is contained within the central cylinder above a piston. The central and outer cylinders are in fluid communication through openings in the central cylinder near the bottom of the can. The piston, which is double-ended, is movable located within the central cylinder. A gas or other fluid under pressure is located in the volume between the central and outer cylinders, thus exerting a force on the bottom of the piston to drive the fluid to be sprayed out of the central cylinder when the atomizing valve is manually actuated.

REFERENCES:
patent: 3207385 (1965-09-01), Featherstone et al.
patent: 3282474 (1966-11-01), Gorman
patent: 3300103 (1967-01-01), Featherstone et al.
patent: 3312378 (1967-04-01), Featherstone et al.

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