Patent ID: 6488221
Filing Date: 2002-12-03
Classification: B05B,B24C,B26F

Abstract:
A waterjet orifice assembly comprising:(a) a high pressure tubing having a central bore and a threaded end; (b) a nozzle cap, said nozzle cap having threads sized and shaped for complementary mating engagement with said threaded end of said high pressure tubing, said nozzle cap having an outlet bore, and, adjacent said nozzle cap outlet bore, an interior orifice receiving surface; (c) a spring disk, said spring disk having an overall diameter larger than the diameter of said central bore in said high pressure tubing, said spring disk further comprising a counterbore of preselected height, said counterbore further comprising a flange portion; (d) at least one orifice, said at least one orifice having a central bore sized and shaped for escapement of high pressure fluid therethrough, said at least one orifice having a height at least slightly larger than said preselected height of said counterbore of said spring disk, said at least one orifice removably mounted in said counterbore of said spring disk; and (e) wherein said spring disk is clamped between said nozzle cap and said high pressure tubing, so as to force said at least one orifice downward against said interior orifice receiving surface of said nozzle cap.