Valve for a fluid dispenser

Details Valve for a fluid dispenser Valve for a fluid dispenser

1974-12-20

1976-07-20

Tollberg, Stanley H.

Dispensing

Movable material discharge guide

Foldable, bendable, collapsible or flexible

251 9, B67C 328

Patent

active

039702251

ABSTRACT:
A dispenser pen for dispensing liquids such as adhesives has a tube 12 connecting a supply 14 of the liquid to a nozzle 15. The tube 12 passes between a cross-pin 19 and one end of a pivoted lever 18 which is normally urged by a spring 23 to squeeze the tube 12 between the lever and the cross-pin so as to close the tube to flow of the liquid. The region 17 of the tube between the lever 18 and the cross-pin 19 is predeformed to a generally flattened shape which can open to permit flow of liquid but can be closed with little force and by a short movement of the lever 18.

REFERENCES:
patent: 2387923 (1945-10-01), McBrien
patent: 2600631 (1952-06-01), Freedman
patent: 2722933 (1955-11-01), Allen

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