METHOD FOR JOINING METALLIC TUBE

PROBLEM TO BE SOLVED: To provide a method for joining a metallic tube, by which a joined body superior in strength, fatigue characteristic and corrosion resistance is obtained by reducing a difference in level that is generated in a weld zone. SOLUTION: The bore near the end of each metallic tube 30...

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Bibliographische Detailangaben
Hauptverfasser:	HORIO KOJI, KITO KAZUNARI, INAGAKI SHIGEYUKI, HIYAMIZU TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for joining a metallic tube, by which a joined body superior in strength, fatigue characteristic and corrosion resistance is obtained by reducing a difference in level that is generated in a weld zone. SOLUTION: The bore near the end of each metallic tube 30 is worked so that the difference in the bore after the expansion of each tube 30 is