Novel brush filaments

Details Novel brush filaments Novel brush filaments

1987-08-10

1989-02-07

Feldman, Peter

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

151671, 8516, 428378, A46B 904

Patent

active

048022551

ABSTRACT:
Novel, improved filaments for brushes. The filaments include a colored region provided by a dye colorant and the colored region is adapted to provide a color intensity which can change in response to increased use of the filament to provide a signal indicative of filament wear. The filaments are particularly useful in toothbrushes.

REFERENCES:
patent: 2558992 (1951-07-01), Stott
patent: 3258805 (1966-07-01), Rossnan

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