Horizontally-operated pump-type dispenser

Details Horizontally-operated pump-type dispenser Horizontally-operated pump-type dispenser

1975-04-09

1976-06-29

Tollberg, Stanley H.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

B67D 542

Patent

active

039660958

ABSTRACT:
A pump-type dispenser for liquids, such as liquid soap, operates with the pump mechanism horizontal, lifting liquid from a bracket-suspended vessel through a dip tube at the back end of the pump. The pump mechanism is compact, having two rubber valves of the type whose lips project along the line of flow. The first valve is mounted at the inlet of the pump cylinder, where it is retained by the dip tube. The second valve is mounted within the pump piston; it is there retained by the smaller end of the pump spring, a tapered wound wire spring whose larger end surrounds the lips of the first valve. The pump mechanism with tube attached is replaceably mounted by inserting the dip tube through the front end of the bracket which suspends the vessel and camming it downward.

REFERENCES:
patent: 2873892 (1959-02-01), Nelson et al.
patent: 2878974 (1959-03-01), Dobkin
patent: 2980343 (1961-04-01), Hays
patent: 3406909 (1968-10-01), Pfeiffer

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