Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1996-10-10
1998-01-27
Shaver, Kevin P.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222341, 2223831, B67D 552
Patent
active
057114579
ABSTRACT:
A trigger actuated sprayer for dispensing disparate liquids separately stored in separate liquid compartments includes a pair of axially aligned, interconnected pistons of relatively larger and smaller diameter reciprocable in unison within relatively larger and smaller diameter cylinders for therewith defining larger and smaller variable volume pump chambers, the smaller diameter piston valving one fluid from its chamber to be combined with the other of the fluids in the other chamber during each compression stroke of the pistons. The combined liquids are dispensed from the chamber upon trigger actuation during each compression stroke.
REFERENCES:
patent: 3704814 (1972-12-01), Ruscitti
patent: 3786963 (1974-01-01), Metzler, III
patent: 4438871 (1984-03-01), Eckert
patent: 5361944 (1994-11-01), Hauf et al.
patent: 5385270 (1995-01-01), Cataneo et al.
patent: 5439141 (1995-08-01), Clark et al.
patent: 5560545 (1996-10-01), Grogan et al.
patent: 5562250 (1996-10-01), O'Niell
patent: 5626259 (1997-05-01), Maas et al.
DiMaggio Phillip J.
Wanbaugh Linn
Calmar Inc.
Shaver Kevin P.
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