BURNER FOR A WELDING APPARATUS
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United States of America Patent
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Dec 22, 2015
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Dec 23, 2014
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Abstract
Burner for a welding apparatus having a non-melting electrode, a wire feed device for a welding wire and a power feed device for introducing an electric heating current into the welding wire that is supplied. The wire feed device can be activated in two directions of advance and an electric voltage applied by the power feed device to the welding wire can be regulated to ignite an igniting arc between the tip of the welding wire and the workpiece.
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