Toothpaste dispenser with a flexible air compressing bag used to

Details Toothpaste dispenser with a flexible air compressing bag used to Toothpaste dispenser with a flexible air compressing bag used to

1992-01-10

1993-06-01

Kashnikow, Andres

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

222389, G01F 1300

Patent

active

052152294

ABSTRACT:
A toothpaste dispenser comprising a cylindrical tube of rigid material, partially surrounded by a flexible air compressing bag of rubber or other flexible material which has an air-tight fit with the tube whereby squeezing of the bag will create pressure in the bag and cylindrical tube and dispense toothpaste through an opening at the top of the tube. An air-tight, detachable bottom is provided for the tube and bag, which bottom has a one-way valve providing connection between the tube and bag. Various modifications are shown for the one-way valve.

REFERENCES:
patent: 3184120 (1965-05-01), Undi
patent: 3494513 (1970-02-01), Bauer
patent: 4386717 (1983-06-01), Koob

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