B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K9/00—Arc welding or cutting
B23K9/14—Arc welding or cutting making use of insulated electrodes
B23K9/142—Drag welding, the arc length being determined by an insulated layer between the welding electrode and the welding spot or seam
B23K9/145—Drag welding, the arc length being determined by an insulated layer between the welding electrode and the welding spot or seam the insulated welding electrode being laid along the seam