Toothbrush with toothpaste

Details Toothbrush with toothpaste Toothbrush with toothpaste

1995-05-01

1998-06-23

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

In or at feeder

401149, 222207, A46B 1102

Patent

active

057695857

ABSTRACT:
A toothbrush is formed with a resilient annular pump having a conical chamber formed by an inner annular surface of the pump and two axially spaced and swingable flap valves inclined with respect to the longitudinal axis of the toothbrush in respective closing positions thereof and with a projection between a piston of the pump an one of the flap valves preventing automatic delivery of the paste into the chamber and creating sufficient pressure for pushing the paste toward the bristles.

REFERENCES:
patent: 4301948 (1981-11-01), Czeh
patent: 4651904 (1987-03-01), Schuckman
patent: 4903867 (1990-02-01), Mettenbrink
patent: 5104009 (1992-04-01), Battegazzore
patent: 5346324 (1994-09-01), Kuo

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