| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping member manufacturing method capable of easily manufacturing a piping member with a rubber hose interposed between metal pipes forming a bent shape by simple and less steps, reducing the manufacturing cost, and considerably enhancing the productivity. SOLUTION: Straight metal pipes 12A, 14A, 16A and rubber hoses 18, 20 are integrally assembled to each other in a preliminarily connected condition to manufacture a straight assembled article 10A on the whole, the assembled article 10A is set to a pipe bender thereafter, and the metal pipes 12A, 14A, 16A are successively bent to manufacture the piping member having a required bent shape on the whole. COPYRIGHT: (C)2006,JPO&NCIPI
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