US Patent:
20150026904, Jan 29, 2015
Inventors:
Andrey Piatetsky - Tarzana CA, US
International Classification:
A46D 1/00
A45D 24/22
A46B 11/00
Abstract:
A bristle of a liquid-reservoir hairbrush with a tube and a roller-ball nozzle located at the tube's end, wherein the tube has a channel bounded by a tube wall, and wherein the tube wall has an internal surface. A feeder is placed into the channel The feeder has an external surface, and a spacing between the external surface of the feeder and the internal surface of the tube wall is great enough so that liquid can flow between the external surface of the feeder and the internal surface of the tube wall only by gravity, but not by capillary action, and air located outside of the roller-ball nozzle can flow through the roller-ball nozzle and then between the external surface of the feeder and the internal surface of the tube wall in the direction from the roller-ball nozzle to the proximal end of the tube.