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Hand-held laser welding wand having removable filler media delivery extension tips

  • US 7,030,337 B2
  • Filed: 12/19/2003
  • Issued: 04/18/2006
  • Est. Priority Date: 12/19/2003
  • Status: Active Grant
First Claim
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1. A hand-held laser fusion welding assembly, comprising:

  • a main body dimensioned to be grasped by a hand and having a main body dimensioned to be grasped by a hand and having a plurality of filler media delivery flow passages extending through the main body, the main body adapted to couple to at least a laser delivery system, and each main body filler media delivery flow passage adapted to receive a filler media therein;

    a nozzle coupled to the main body, the nozzle having at least an aperture through which laser light from the laser delivery system may pass, and a plurality of filler media delivery flow passages, each nozzle filler media delivery flow passage in fluid communication with one of the main body filler media delivery flow passages, each nozzle filler media flow passage extending though the nozzle and configured to supply filler media to a workpiece; and

    one or more extension tips removably inserted into one of the nozzle filler media flow passages and extending therefrom, each extension tip including a filler media flow passage in fluid communication with one or more of the nozzle filler media flow passages,wherein each extension tip is selected from a plurality of extension tips, and each of the plurality of extension tips has an inner diameter that differs from at least one or more other extension tips of the plurality of extension tips.

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