TOOTHBRUSH Russian patent published in 1998 - IPC

FIELD: toilet articles. SUBSTANCE: toothbrush has handle, neck portion and head provided with bristles. Head has toothpaste receiving cavity. Head cavity is provided with material possessing high volumetric expansion coefficient at soaking, such as staple filament made from viscose. Water inlet openings are made in head portion. Toothpaste is disposed between bristles and staple filament material. Upon dipping of toothbrush head into water, filament absorbs water and expands to force toothpaste onto bristles. EFFECT: simplified construction and increased convenience in usage. 1 dwg