Patent ID: 6722584
Filing Date: 2004-04-20
Classification: B05B,B05D,C23C

Abstract:
An apparatus which comprises:(a) a housing; (b) an inlet for a gas entrained powder; (c) an inlet for a gas; (d) a mixing cavity disposed within said housing for mixing of said powder and gas in communication with said inlets, said cavity having an exit therefrom; (e) a nozzle holder having a tapered cylindrical bore centrally disposed therethrough, (i) said nozzle holder removably attached to said housing with a fastening means; (f) a nozzle having a centrally disposed bore therethrough and further comprising, (i) a nozzle bore having a right frustoconical shape extending partway therethrough at an inlet of said nozzle bore and in communication with an inverted right frustoconical shaped bore exit at an opposed exit end, (ii) said nozzle bore in communication with said mixing cavity exit, (iii) said nozzle positioned within said bore of said nozzle holder, an interior taper of said nozzle holder bore essentially matching at least a portion of an exterior taper of the nozzle; and (g) a high temperature circular sealing means between said nozzle and said housing.