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
B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B23K37/0426—Fixtures for other work
B23K37/0452—Orientable fixtures
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Physics & Mathematics
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Optics & Photonics
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Engineering & Computer Science
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Mechanical Engineering
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Butt Welding And Welding Of Specific Article
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Procede et dispositif de tronconnage d'une piece tubulaire de grand diametre en materiau rigide, notamment a section ovalisee, telle qu'un tuyau en fonte