Pressurized dispenser with dip tube extending through sac-in-can

Details Pressurized dispenser with dip tube extending through sac-in-can Pressurized dispenser with dip tube extending through sac-in-can

1979-05-23

1981-05-05

Scherbel, David A.

Dispensing

Collapsible wall-type container

Plural container and/or compartment

2223865, 22240218, B65D 3528

Patent

active

042653738

ABSTRACT:
An aerosol type dispenser, wherein a dispensable fluid product is in storage, under pressure, intermediate wall surfaces of the dispenser and exterior surfaces of a pliable, impervious, expandable sac. Propellant gas, contained in isolation within the confinements of the sac, influence expansible surfaces of the sac to exert an expulsion force to the product. A dispensing valve mechanism, of choice, is utilized for the appropriate dispensing application. Propellant vapors may be co-dispensed with the product to provide an atomized spray or the vapors can be used to remove product residue from the valve mechanism.

REFERENCES:
patent: 3178075 (1965-04-01), Riedl et al.
patent: 3217931 (1965-11-01), Farrar et al.
patent: 3300102 (1967-01-01), Budzich
patent: 3317090 (1967-05-01), Meshberg
patent: 3490651 (1970-01-01), Abplanalp
patent: 3705667 (1972-12-01), Blanie et al.
patent: 3894659 (1975-07-01), Focht
patent: 3992003 (1976-11-01), Visceglia et al.

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