Process for rounding the bristle tips of toothbrushes and...

Details Process for rounding the bristle tips of toothbrushes and... Process for rounding the bristle tips of toothbrushes and...

A - Human Necessities

46

D

300/10, 15/109,

A46D 1/00 (2006.01) A46D 9/02 (2006.01) B29C 67/00 (2006.01)

Patent

CA 1267938

Abstract of the disclosure The present invention relates to a method for rounding the bristle tips of toothbrushes by the action of laser radiation, characterized in that the rounding process is effected in an electrostatic field, thus avoiding the fusion of the individual bristles as well as the formation of a mushroom-like bristle tip.

517204

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