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DEUTSCHE ROHRENWERKE AG
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DEUTSCHE ROHRENWERKE AG
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Application filed by DEUTSCHE ROHRENWERKE AGfiledCriticalDEUTSCHE ROHRENWERKE AG
Application grantedgrantedCritical
Publication of FR774791ApublicationCriticalpatent/FR774791A/fr
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
B23K11/00—Resistance welding; Severing by resistance heating
B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
B23K11/061—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams
B23K11/062—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams for welding longitudinal seams of tubes
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR774791D1933-09-051934-06-20Appareil pour la fabrication de tubes rapprochés et soudés
ExpiredFR774791A
(fr)