Manually operated dispensing pump

Details Manually operated dispensing pump Manually operated dispensing pump

1983-06-08

1985-01-22

Bartuska, F. J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222380, 222383, B05B 1100

Patent

active

044946805

ABSTRACT:
A dispensing pump of the pressure accumulating type includes a reciprocable plunger/accumulator which is free floating between spring force below and hydraulic force above and is unrestrained against movement in response to these forces, and/or which has at its upper end by an air displacement interfacing contour which avoids after spray as discharge valve closing is mechanically assisted at the end of the discharge stroke.

REFERENCES:
patent: 4050613 (1977-09-01), Corsette
patent: 4183449 (1980-01-01), Blake

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