Manually operated pump for dispensing micronized liquids at a pr

Details Manually operated pump for dispensing micronized liquids at a pr Manually operated pump for dispensing micronized liquids at a pr

1979-01-11

1980-10-21

Skaggs, H. Grant

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

239333, G01F 1136

Patent

active

042289319

ABSTRACT:
Pump that can be applied on a container and manually operable to deliver or dispense a liquid in an atomized form. The pump comprises a hollow stem for liquid delivery or dispensing, on which a sealing gasket is mounted and downward urged by a spring. A groove communicating through holes with the cavity of the stem is provided on the lower end of the latter. The gasket, normally sealing on the stem below said groove, when upward moved upon operation of the pump, has its lower edge suddenly bent inwardly of the groove, when arriving thereat, thus suddenly and completely communicating the passage of the pressure liquid to said holes of the stem.

REFERENCES:
patent: 3500761 (1970-03-01), Clevenget et al.
patent: 3774849 (1973-11-01), Boris
patent: 4029261 (1977-06-01), Olegnowicz
patent: 4113145 (1978-09-01), Meshberg

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