Elektrischer Lichtbogenbrenner

973,652. Cutting and welding by fusion. THERMAL DYNAMICS CORPORATION. Sept. 27, 1961 [Oct. 17, 1960], No. 34726/61. Headings B3R and B3V. [Also in Division H5] The nozzle of an A.C. or D.C. arc torch, and its gas inlet, are arranged to permit laminar gas flow into and through the nozzle, whereby inc...

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Bibliographische Detailangaben
Hauptverfasser:	ALEXANDER BROWNING,JAMES, WILLIAM HARRINGTON,KENT
Format:	Patent
Sprache:	ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Zusammenfassung:	973,652. Cutting and welding by fusion. THERMAL DYNAMICS CORPORATION. Sept. 27, 1961 [Oct. 17, 1960], No. 34726/61. Headings B3R and B3V. [Also in Division H5] The nozzle of an A.C. or D.C. arc torch, and its gas inlet, are arranged to permit laminar gas flow into and through the nozzle, whereby increased arc length and gas temperature are obtained at low gas flow rates, such that when employed for welding, little disturbance of the weld puddle is caused by the gas stream. The gas is introduced into the nozzle via circumferentially spaced passages 20 directed parallel to the sloping conical face of the cathode 12. Gas flow arrangements involving the use of gas permeable partitions are also described (Figs. 3 and 4, not shown, and Division H5). Argon may be used, to shield the weld zone, and the use of a non-transferred arc for welding is mentioned.