METHOD OF TREATMENT TO GIVE TAPER TO NEEDLE-SHAPED BRISTLE WITH INCREASED SPEED OF TREATMENT Russian patent published in 2011 - IPC A46D1/05

Abstract RU 2408243 C1

FIELD: personal use articles.

SUBSTANCE: method to give taper to toothbrush bristle by means of toothbrush submersion into chemical solution selected from solution of sodium hydroxide and sulfuric acid solution, includes cutting bundles of toothbrush bristle and submersion of cut bundles of toothbrush bristles in a random orientation into chemical solution along full length of toothbrush bristle to give taper to both sides of bristle. Version of method realisation is provided.

EFFECT: invention provides for simplification of method and reduced time of its implementation.

8 cl

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RU 2 408 243 C1

Authors

Kvon En-Jun

Kvon Son-Uk

Kvon Son-Khvan

Dates

2011-01-10—Published

2008-03-12—Filed