Fluid dispensing apparatus and method of operation thereof

Details Fluid dispensing apparatus and method of operation thereof Fluid dispensing apparatus and method of operation thereof

1987-07-31

1989-07-04

Huppert, Michael S.

Dispensing

Processes of dispensing

222 14, 222256, 222331, 141 83, 141128, B65B 134

Patent

active

048442976

ABSTRACT:
Apparatus for dispensing a desired quantity by weight of a fluid material such as a liquid color printing ink for shade mixing purposes includes a container (1) for the fluid material to be dispensed, a main fluid material dispensing discharge outlet (2) on the container (1) and a secondary fluid material dispensing discharge outlet (3) on the container (1). The container further includes a movable pressure assembly plate to apply a pressure to the fluid to dispense the fluid from the discharge outlets. The secondary dispensing dischage outlet (3) incorporates a gear pump (5) which is adjustably operable to dispense a particular volume of fluid material corresponding to a particular weight of fluid material to be dispensed. The pressure plate assembly (4) includes a presser plate (21) slidably movable in the container (1) in sealed contact with side walls (1a) of the container (1) to engage directly or indirectly the upper surface of fluid material in the container (1). A piston and cylinder assembly (23) is operative to urge the plate (21) towards and away from fluid material in the container (1).

REFERENCES:
patent: 1880562 (1932-10-01), Weckerly
patent: 2866579 (1958-12-01), Roozee
patent: 3488699 (1970-01-01), Lee et al.
patent: 3856097 (1974-12-01), Bartlo et al.
patent: 3918475 (1975-11-01), Trusselle
patent: 4211263 (1980-07-01), Kennedy et al.
patent: 4222448 (1980-09-01), Sunkle et al.
patent: 4401141 (1983-08-01), Rosen et al.
patent: 4498843 (1985-02-01), Schneider et al.

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