EDGE PREPARATION METHOD FOR WELDED STEEL PIPE

• Main Author: MATSUMURA MASAKAZU
• Format: Patent
• Language: English
• Published: 30.11.1987
• Subjects: BORING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; TURNING; WELDING; WORKING BY LASER BEAM

PURPOSE:To enable the formation of a groove for multi-layered building-up with decreased man-hours without requiring skill by providing the 1st and 2nd groove parts having prescribed sizes and shapes to the outside surface of steel pipe stocks and the 3rd groove part to the inside surface and cuttin...