Process for producing a toothbrush and toothbrushes produced by

Details Process for producing a toothbrush and toothbrushes produced by Process for producing a toothbrush and toothbrushes produced by

1989-07-24

1990-07-03

Rosenbaum, Mark

Brush, broom, and mop making

Processes

A46D 300

Patent

active

049385399

ABSTRACT:
A toothbrush blank having a handle, a pair of head portions provided with a plurality of bristles receiving bores on one side of the head portions, and a narrow hinge-forming V-shaped cavity or groove formed on the same bristle receiving side of the head portions. The V-shaped groove enables the head portions to be bent in a convex arch so that the bristles can be cut and polished in a common plane. Thereafter, the head portions are bent towarad each other into a finished condition where the side surfaces of the V-shaped groove form support abutments which are glued or welded against each other.

REFERENCES:
patent: 4449266 (1984-05-01), Northemann et al.

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