Coating implements with material supply – Including rupturable means or sealed-cartridge receiver – Sealed-cartridge receiver with flow-establishing means
Patent
1974-03-21
1976-02-10
Charles, Lawrence
Coating implements with material supply
Including rupturable means or sealed-cartridge receiver
Sealed-cartridge receiver with flow-establishing means
401176, A46b 1100
Patent
active
039375820
ABSTRACT:
A fountain toothbrush is described which comprises a bristle carrier, a set of bristles on the carrier near one end thereof, a rigid handle connected to the bristle carrier at an end of the latter remote from the bristles, and a reservoir for liquid or pasty dentifrice in the handle, wherein the bristle carrier has a duct therethrough leading from the bristle carrier to an outlet near or between the bristles; furthermore piston means mounted on the bristle carrier, and outlet means associated with the reservoir, the aforesaid piston being sealingly guided in the outlet means and adapted for displacement in the outlet means toward and away from the reservoir, whereby dentifrice is caused to flow from the reservoir through the duct towards the bristles by a short displacement of the piston in the outlet means toward the reservoir.
REFERENCES:
patent: 1809330 (1931-06-01), Dorrance et al.
patent: 3061868 (1962-11-01), Miller
patent: 3217720 (1965-11-01), Cyzer
patent: 3227165 (1966-01-01), Costanza
Charles Lawrence
Herzfeld Heinrich W.
Trisa Burstenfabrik AG
Wells Gilbert L.
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