Brush head, a method and a machine for manufacturing thereof

Details Brush head, a method and a machine for manufacturing thereof Brush head, a method and a machine for manufacturing thereof

1987-06-08

1989-09-26

Weiss, John

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

300 21, 300 7, 433166, 264243, A45D 4418, A61C 306

Patent

active

048692778

ABSTRACT:
A brush head for cleaning and massaging the teeth and gums is disclosed having a bundle of fibers welded together to form a bottom plate, with a central axial tunnel expending part way into the fiber bundle, similarly made up of welded fibers. The brush head is produced by partially melting one end of the fiber bundle to form the bottom plate, with the bundle moved into contact with a heated mandrel, while the fibers remain substantially parallel.

REFERENCES:
patent: 2531481 (1950-11-01), Starr
patent: 2531482 (1950-11-01), Starr
patent: 2610896 (1952-09-01), Marsh
patent: 2672690 (1954-03-01), Peterson et al.
patent: 3186018 (1965-06-01), Shaw
patent: 3471202 (1969-10-01), Lewis
patent: 3478433 (1969-11-01), Richmond
patent: 3875608 (1975-04-01), Weiss
patent: 3910637 (1975-10-01), Lewis
patent: 4255224 (1981-03-01), Lorenz
patent: 4447208 (1984-05-01), Kawai

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