Patent ID: 6138671
Filing Date: 2000-10-31
Classification: A61M,B05B

Abstract:
A device for spraying particulate material, said device being in the form of a self-contained unit comprising a housing which is suitable for hand-held use or is readily portable using one hand, and including a receptacle for a mass of particulate material to be sprayed, a voltage generator for applying high voltage to said mass of particulate material, said voltage generator having an output with a power rating no greater than 100 mW such that, in the absence of said mass of particulate material, substantially no corona discharge occurs when said voltage generator is operative, and means defining a dispensing location at which, during spraying operation of said device, a surface of said mass of particulate material is exposed and from which surface, in use, electrically charged particles issue from said mass of particulate material and are discharged through a dispensing outlet.