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Priority to NL6504978ApriorityCriticalpatent/NL147058B/xx
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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
B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation
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Engineering & Computer Science
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Physics & Mathematics
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Plasma & Fusion
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Mechanical Engineering
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NL6504978A1965-04-201965-04-20Inrichting voor het aan elkaar lassen van pijpsecties met grote diameter.
NL147058B
(nl)