CLEANING BRUSH, IN PARTICULAR, TOOTHBRUSH Russian patent published in 2003 - IPC

FIELD: individual sanitary and hygienic articles. SUBSTANCE: cleaning brush, in particular, toothbrush has handle and elongated brush head comprising longitudinally narrowing flexible bristle holder and bristles attached thereto. Bristle holder is formed of two longitudinally and sequentially positioned portions connected with one another and made from materials having different properties. At least front portion is made from elastoplastic. Materials, section and length of curved parts of said portions are selected so that front portion may be declined with smaller curvature radius than other portion. EFFECT: increased efficiency by optimal adjustment of toothbrush head to problematic jaw zones, namely, to their internal contour with variable curvature radius. 16 cl, 11 dwg