TOOTHBRUSH EQUIPPED WITH HEAD HAVING DELAMINATION-RESISTANT JOINT (VERSIONS) Russian patent published in 2003 - IPC

FIELD: individual hygiene articles. SUBSTANCE: injection-type toothbrush has rigid handle and joined head divided into at least two segments with longitudinally spaced ends, which are connected through thin bridge made integral with two segments. Each of segments has multiplicity of bristles and delamination-resistant elastic portion arranged between spaced ends so as to define composite head. Elastic portion is extending from lower surface of thin bridge and from flange region. According to other version, elastic portion is deformed during tooth cleaning procedure so that two segments are bent with respect to one another. EFFECT: increased efficiency by providing toothbrush with resilient head and conditions preventing delamination of elastic portion. 8 cl, 8 dwg