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
B23K9/00—Arc welding or cutting
B23K9/02—Seam welding; Backing means; Inserts
B23K9/038—Seam welding; Backing means; Inserts using moulding means
B—PERFORMING OPERATIONS; TRANSPORTING
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
B23K2101/00—Articles made by soldering, welding or cutting
B23K2101/04—Tubular or hollow articles
B23K2101/06—Tubes
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Engineering & Computer Science
(AREA)
Physics & Mathematics
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Plasma & Fusion
(AREA)
Mechanical Engineering
(AREA)
Arc Welding In General
(AREA)
Non-Disconnectible Joints And Screw-Threaded Joints
(AREA)
Butt Welding And Welding Of Specific Article
(AREA)