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Priority to NL6504825ApriorityCriticalpatent/NL6504825A/xx
Priority to BE679549Dprioritypatent/BE679549A/fr
Publication of NL6504825ApublicationCriticalpatent/NL6504825A/xx
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
B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
B23K9/122—Devices for guiding electrodes, e.g. guide tubes
B23K9/123—Serving also as contacting devices supplying welding current to an electrode