BACKING STRIP FOR WELDING, WELDING STRUCTURE, AND WELDING METHOD

PROBLEM TO BE SOLVED: To provide a backing strip for welding in which any cavities caused by gas are hardly generated in opposing parts of two members to be welded during the welding, the weld build-up is easily penetrated to the opposite side, and penetration of the weld build-up to the opposite si...

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Bibliographische Detailangaben
1. Verfasser:	NAGAI KOTARO
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING CEILINGS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS ROOFS SOLDERING OR UNSOLDERING TRANSPORTING WALLS, e.g. PARTITIONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a backing strip for welding in which any cavities caused by gas are hardly generated in opposing parts of two members to be welded during the welding, the weld build-up is easily penetrated to the opposite side, and penetration of the weld build-up to the opposite side can be checked, and to provide a welding method and a welding structure for welding the two members by using the backing strip for welding. SOLUTION: The backing strip 5 for welding is used in a welding method in which a first member 4 to be welded is faced to a second member 2 to be welded, and weld build-up is performed along opposing parts. A round bar 51 or a round cylinder 51 is held between the first member 4 and the second member 2 and has projections 52 to regulate the space therebetween. A plurality of projections 52 are provided on the side of the round bar 51 or the round cylinder 51 to be in contact with the member 4. COPYRIGHT: (C)2006,JPO&NCIPI