Flowable material dispenser with chambers

Details Flowable material dispenser with chambers Flowable material dispenser with chambers

1996-10-31

1998-11-03

Kaufman, Joseph

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

2221456, 222386, 222459, B67D 552

Patent

active

058296395

ABSTRACT:
A dispenser for storing and dispensing two flowable materials, preferably comprising a single piece container having a driving member, a storage member having an discharge nozzle defining two separate passages and two cylinders each communicating with a separate one of said passages and a hinged member joining the driving member and the storage member by way of living hinges, the driving member defines two pistons located and sized to sealingly engage the cylinder when the driving member and the storage member are folded about the living hinges into engagement with one another; the cylinders being isolated from one another. When squeezing force is applied the driving member and the storage member act against one another to expel the materials through the passages of the discharge nozzle for blending of the ingredients upon exit from therefrom.

REFERENCES:
patent: 3827602 (1974-08-01), Nicholls
patent: 4331264 (1982-05-01), Staar
patent: 4341302 (1982-07-01), Baker et al.
patent: 4565303 (1986-01-01), Gilbertson
patent: 5033650 (1991-07-01), Colin et al.
patent: 5114044 (1992-05-01), Spanek, Jr.
patent: 5269441 (1993-12-01), O'Meara
patent: 5318203 (1994-06-01), Iaia et al.

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