| 摘要 |
A molding method and the metal molded product manufactured by this method of the metal molded product manufacturing the cubic moldings in which the outer tube is beautiful are provided. A metal molded product is more than 2 metal plate materials(110, 120) by the welding unit(200), using the compressed air injected in the intervening space of the metal plate material formed owing to the welding unit, the metal molded product in which the metal plate material is expanded to the predetermined shape and which is formed. The internal space of the metal molded product is the edge part of the metal plate material. |
