HAND HELD POWDER-FED LASER FUSION WELDING TORCH

A novel and inventive hand held powder-fed laser fusion welding torch (100) providing manual flexibility for laser welding with powder-fed material. The hand held laser includes a body (104), handle (102), and nozzle assembly. The nozzle may be shrouded by a cover (170) that is slightly spaced apart...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HEHMANN WILLIAM F, BAKER MARTIN C, HARAZ RICHARD F, PAPOTTO VINCENT J, RENTERIA FEDERICO, WINCHESTER GARY
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A novel and inventive hand held powder-fed laser fusion welding torch (100) providing manual flexibility for laser welding with powder-fed material. The hand held laser includes a body (104), handle (102), and nozzle assembly. The nozzle may be shrouded by a cover (170) that is slightly spaced apart from the nozzle. The gap between the two may provide space through which inert gas may flow. Laser light from a remote source shines through the nozzle's central aperture. The nozzle aperture (144) may be circumscribed by powder channel outlets (148) aligned upon a working focal point coincident with the laser beam to treat a workpiece. A proximity sensor (220) may enable selective welding torch operation according to the presence of a workpiece.