FIELD: personal use articles.
SUBSTANCE: in a method of manufacturing a toothbrush with needle-shaped bristles, bristles are preliminary tapered by being immersed in a chemical so that end points of the bristles range from 0.03 to 0.05 mm in thickness and tapered portions of the bristles range from 3.5 to 10 mm in length. The bristles are set into the head of toothbrush body and are ground using a drum grinder having protrusions There is a version of toothbrush production and toothbrush manufactured by the same.
EFFECT: invention provides toothbrush manufacturing with increased penetration quality and simplified manufacturing process.
8 cl, 4 dwg
