Viscous product dispenser having externally located, dispensed p

Details Viscous product dispenser having externally located, dispensed p Viscous product dispenser having externally located, dispensed p

1986-06-17

1987-08-04

Rolla, Joseph J.

Dispensing

With discharge assistant

Container with follower

2224005, 222560, B67D 542

Patent

active

046840443

ABSTRACT:
The actuating lever of the dispenser has an outlet valve flap integral therewith which moves in a shearing action across the outlet of the discharge spout as the actuator is returned to its standby position such that the returning valve flap cleanly slices through the bead of viscous product adhering to the spout and this fully separates the dispensed bead of product from that remaining behind in the spout. A lost-motion action permits the valve flap to uncover the spout outlet before further depression of the actuating lever shifts the pumping piston through its dispensing stroke to force product out the spout.

REFERENCES:
patent: 2274849 (1942-03-01), Peterson
patent: 3257037 (1966-06-01), Watson, Jr.
patent: 3268123 (1966-08-01), Spatz
patent: 3963147 (1976-06-01), Waters

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