Toothbrush with dentifrice attachment

Details Toothbrush with dentifrice attachment Toothbrush with dentifrice attachment

1976-01-09

1977-09-20

Pellegrino, Stephen C.

Coating implements with material supply

Including rupturable means or sealed-cartridge receiver

Sealed-cartridge receiver with flow-establishing means

401184, 401186, 401287, B43K 514, B43M 1106

Patent

active

040493547

ABSTRACT:
A toothbrush having a brushing unit and a dentifrice containing cartridge unit. The cartridge unit is shaped to permit it to be comfortably held in the hand and has a squeezable wall for the purpose of expelling dentifrice from the dentifrice-containing chamber therein. A dentifrice passage extending from the dentifrice chamber to the brushing unit is normally closed by a valve which opens by the force of the dentifrice when the cartridge is squeezed. The cartridge has a check valve to allow air to replace used up dentifrice.

REFERENCES:
patent: 1065256 (1913-06-01), La Mar
patent: 1676601 (1928-07-01), Cavanaugh
patent: 2729505 (1956-01-01), Harvey
patent: 2743042 (1956-04-01), Burgin
patent: 2807818 (1957-10-01), Taylor
patent: 2900650 (1959-08-01), Riugro
patent: 3319837 (1967-05-01), Mueller
patent: 3372426 (1968-03-01), Schwartzman

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