Pumping system for dispensing product from a container

Details Pumping system for dispensing product from a container Pumping system for dispensing product from a container

1978-05-12

1981-06-09

Spar, Robert J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222340, 222385, 239333, 417541, B05B 1100

Patent

active

042719909

ABSTRACT:
This pumping system provides a continuous discharge of flowable product withdrawn from a container into a pressurizing chamber and pumped by a pressurizing piston there into a storage chamber just ahead of a stationary discharge nozzle. A spring acts on an accumulator piston in the storage chamber to maintain a more uniform pressure on the product there at different times in each operating cycle so as to obtain a substantially non-pulsating discharge of the product. The accumulator piston tends to move in the same direction as the pressurizing piston due to a frictional coupling acting on the accumulator piston. Air is more easily purged from this pumping system.

REFERENCES:
patent: 3138331 (1964-06-01), Kutik
patent: 3229864 (1966-01-01), Roder
patent: 3923250 (1975-12-01), Boris
patent: 4029261 (1971-06-01), Olegnowicz
patent: 4033487 (1977-07-01), Micallef
patent: 4079865 (1978-03-01), Kutik

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