Toothbrush with paste cartridge

Details Toothbrush with paste cartridge Toothbrush with paste cartridge

1974-12-05

1976-02-10

McNeill, G. E.

Toilet

Nail device

Compound tools

401186, A45D 4418

Patent

active

039372359

ABSTRACT:
Toothbrush handle includes reservoir for pressurized toothpaste. Outflow of toothpaste is controlled by a ball valve which is unseated by motion of the tooth with respect to its handle. Passages through the shank of the brush into the brush back and directed into the bristles convey the toothpaste into the bristle zone.

REFERENCES:
patent: 1875184 (1932-08-01), Steigleder
patent: 2226663 (1940-12-01), Hill et al.
patent: 2416684 (1947-03-01), Fischer
patent: 2441520 (1948-05-01), Ulvick
patent: 2987743 (1961-06-01), Capps

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