Toothpaste dispensing toothbrush having a squeezable handle

Details Toothpaste dispensing toothbrush having a squeezable handle Toothpaste dispensing toothbrush having a squeezable handle

1977-05-05

1979-05-22

Coughenour, Clyde I.

Coating implements with material supply

Including rupturable means or sealed-cartridge receiver

Sealed-cartridge receiver with flow-establishing means

401183, 401287, A46B 1102, B43K 514

Patent

active

041556631

ABSTRACT:
A dentifrice dispensing toothbrush comprises a brush head unit, a replaceable toothpaste container and a squeezable outer case surrounding the toothpaste container. The brush head unit is a hollowed shaft having discharge vents at the base of the bristles and having, at the inlet end, a screw-threaded bore terminating in a pointed tip. The toothpaste container has a toothpaste holding chamber whose outlet is closed by a membrane wall pierceable by the pointed tip.

REFERENCES:
patent: 2283781 (1942-05-01), Aiken
patent: 2807818 (1957-10-01), Taylor
patent: 2814816 (1957-12-01), Pepping et al.
patent: 2987743 (1961-06-01), Capps
patent: 3242928 (1966-03-01), Peters
patent: 3356095 (1967-12-01), Tylle
patent: 3400996 (1968-09-01), Vandergrift
patent: 3417762 (1968-12-01), Hall
patent: 3738762 (1973-06-01), Moore et al.
patent: 4049354 (1977-09-01), O'Rourke

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