Manual control dispensing pump for liquid containers

Details Manual control dispensing pump for liquid containers Manual control dispensing pump for liquid containers

1978-10-30

1980-08-05

Marmor, Charles A.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222341, 222383, 222496, B67D 542

Patent

active

042158044

ABSTRACT:
Reciprocating manual dispensing pump comprising a delivery valve provided with a shutter and associated with the movable part of the pump, and a suction or intake valve comprising a single piston movable against a spring within a tubular body forming therewith a compression chamber, which is hydraulically connected with an expansion chamber of a larger cross-section in the piston defined by a resiliently deformable part with which the delivery valve shutter is associated for closing a delivery conduit in such a piston.

REFERENCES:
patent: 3008611 (1961-11-01), Mancusi, Jr.
patent: 3908870 (1975-09-01), Nozawa et al.
patent: 3923250 (1975-12-01), Boris

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