Pump dispenser for viscous fluids

Details Pump dispenser for viscous fluids Pump dispenser for viscous fluids

1988-06-24

1989-03-07

Huppert, Michael S.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222385, 222257, B65D 8854

Patent

active

048098787

ABSTRACT:
A viscous product dispenser is described which comprises a tubular container body adapted to hold product, a take-up piston at the lower end of the body which decreases the internal volume of the container as product is dispensed from the container, and a bulk liquid pump dispenser at the upper portion of the container body having a dip tube extending into the container body and a finger depressible, spring-biased piston/cylinder pumping mechanism. The pumping mechanism of the bulk liquid pump dispenser has a product outlet conduit which is parallel and coaxial to the outlet axis of the dip tube and the center of the piston. The piston/cylinder pumping mechanism is of substantially less cross-sectional area than the internal diameter of the container body.

REFERENCES:
patent: 3288334 (1966-11-01), Corsette
patent: 3420413 (1969-01-01), Corsette
patent: 4134523 (1979-01-01), Hansen et al.
patent: 4402431 (1983-09-01), Wiegner et al.
patent: 4434916 (1984-03-01), Ruscitti et al.
patent: 4485943 (1984-12-01), Czech
patent: 4657161 (1987-04-01), Endo et al.
patent: 4694977 (1987-09-01), Graf et al.

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