Toothbrush with heat shrunk synthetic filaments

Details Toothbrush with heat shrunk synthetic filaments Toothbrush with heat shrunk synthetic filaments

1982-05-13

1984-03-27

Feldman, Peter

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15159A, 15187, A46B 904

Patent

active

044385412

ABSTRACT:
The disclosure teaches a new method of dental plaque removal and the structure of a brush bristle which enables the method most efficiently. A filament loop of contractable material such as polypropylene is caused to shrink as it is being attached to a base. The loop exhibits an extraordinary contraction wherein the loop is not merely reduced as expected, but by the process of this invention it contracts into tightly adjacent filaments with a tight return loop. The resulting bristle not only solves the vexing problem of proper bristle polishing, but as an unexpected additional value, exhibits a greatly improved capability to actually scoop away tooth deposits such as plaque.

REFERENCES:
patent: 1179426 (1916-04-01), Hamilton
patent: 3337893 (1967-08-01), Fine et al.
patent: 4030845 (1977-06-01), Deckert
patent: 4208758 (1980-06-01), Timmis et al.

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