Patent ID: 6460546
Filing Date: 2002-10-08
Classification: A45D,B05C,B65D

Abstract:
A cartridge for use in a hair dye dispenser, the cartridge comprising:(a) a dispensing container for containing and dispensing the hair dye, said dispensing container having a base and at least one side wall sealingly interconnected with said base so as to define an internal volume of said dispensing container, said base having a lower surface which is formed with a plurality of projecting tines, at least one dispensing aperture being formed through said base; and (b) a piston configured to fit closely in sliding abutment with said at least one side wall so as to be sealingly slidable towards said base, wherein said at least one dispensing aperture is implemented as a dispensing channel along at least one of said projecting tines, said at least one of said projecting tines having an axis and a tip, said dispensing channel including:(i) a central channel extending within said tine parallel to said axis; and (ii) at least one lateral dispensing opening located adjacent to said tip in such a manner as to leave closed a region of said tip adjacent to said axis, said at least one lateral dispensing opening being in fluid connection with said central channel.