Toothbrush

Details Toothbrush Toothbrush

1986-05-30

1988-02-16

Feldman, Peter

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15DIG5, 128 62A, A46B 904

Patent

active

047245697

ABSTRACT:
A toothbrush capable of removing the sordes from the teeth excellently, and massaging the gums effectively without paining or hurting the same. The toothbrush has a handle, and bristles implanted into the handle, characterized in that all of the bristles have spherical portions formed at the free ends thereof, these bristles consisting of bristles of not less than two kinds of lengths, a difference between the length of the longest bristles and that of the shortest bristles being within the range of 1-4 mm, the bristles being arranged in such an implantation pattern that the bristles of an equal length do not gather locally so as to prevent the spherical portions thereof from contacting one another, whereby these bristles are not bent outward.

REFERENCES:
patent: 4161050 (1979-07-01), Sasaki et al.

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