Dispenser for fluent masses

Details Dispenser for fluent masses Dispenser for fluent masses

1985-11-15

1987-06-09

Werner, Frank E.

Dispensing

Collapsible wall-type container

With casing or support

222107, 222207, 222209, 222213, B65D 3556, B65D 3700

Patent

active

046714286

ABSTRACT:
An improved dispenser for fluent masses such as toothpaste, lotions, chemicals and the like, includes a body member having a chamber which receives a collapsible and flexible pouch. Associated with the body member is a pumping chamber preferably comprised of a lower and upper housing. The pump chamber, pouch and discharge aperture of the dispenser are at essentially ambient atmospheric pressure, and there is provided a check valve mechanism which sequentially permits flow of material from the pouch into the pump chamber as material is discharged from the discharge spout. The discharge spout is configured and arranged to inhibit flow of air through the discharge spout back into the pump chamber. Various structures and arrangements are described.

REFERENCES:
patent: 3211340 (1965-10-01), Zander et al.
patent: 3220611 (1965-11-01), Zander et al.
patent: 3870200 (1975-03-01), Spatz
patent: 3963147 (1976-06-01), Waters
patent: 4457454 (1984-07-01), Meshberg
patent: 4457455 (1984-07-01), Meshberg

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