Apparatus for heating the welded portion of steel pipe material, and method for the apparatus

• Main Authors: YAMAMOTO, KAZUTO, KITAHARA, TADAYUKI, NAKAMURA, YOSHIAKI, MIYAKAWA, TAKASHI, ISOBE, TAKANORI, UMETSU, KENJI, SHIMADA, RYUICHI, FUKUTANI, KAZUHIKO
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2009
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

This aims to provide a method for heating the welded portion of a steel pipe material so as to melt and pressure-weld the welded portion, and an apparatus for the method. When the moving steel pipe material is continuously induction-heated and welded as a heating object, the temperature of the welde...