Spray dispenser with spring biased flexible container

Details Spray dispenser with spring biased flexible container Spray dispenser with spring biased flexible container

1977-09-21

1979-01-30

Scherbel, David A.

Dispensing

Collapsible wall-type container

With wall-collapsing means

92 40, 220 85B, 222340, 2223865, 267 34, 267166, 312 71, B65D 3528, B05B 1102

Patent

active

041368029

ABSTRACT:
A dispensing unit which may be readily incorporated in an enclosure, such as a conventional can. The dispensing unit includes a readily collapsible bag in which a product to be dispensed is stored, and a plurality of spring strips. Each of the spring strips is of a construction to inherently roll into a coiled form and constantly urging the collapsing of the container. When the container is incorporated in an enclosure of the general can type including an upper end unit secured to a body by a seam, upper end portions of the spring strips may be anchored within the seam.

REFERENCES:
patent: 2298884 (1942-10-01), Hope
patent: 2534169 (1950-12-01), Hope
patent: 3871554 (1975-03-01), Huck
patent: 3951310 (1976-04-01), Steiman
patent: 4077544 (1978-03-01), Malacheski et al.

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