WELDED TUBE MANUFACTURING DEVICE AND WELDED TUBE MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To manufacture a high-quality welded tube.SOLUTION: A welded tube manufacturing device for manufacturing a welded tube by curving a metal plate and welding each abutting end, includes curving means for curving a metal plate, light emitting means for irradiating directive light...

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Bibliographische Detailangaben
Hauptverfasser:	O HISHU, NAKANO TOMOYASU, YIN JILONG, SATO TAKAYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS PUNCHING METAL SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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