PIPE MANUFACTURING METHOD

• Main Authors: ASANO MASAHIKO, UKAI MOTOHIKO
• Format: Patent
• Language: English; Japanese
• Published: 02.09.2021
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

To suppress occurrence of wrinkles and cracks near a border between a pipe body and a taper part.SOLUTION: A pipe manufacturing method comprises: a process in which a plate-like member is press-molded into a U shape; and a process in which the plate-like member, which has been molded into the U shap...