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|1. (WO2018181571) MOLDING DEVICE|
|Applicants:||SUMITOMO HEAVY INDUSTRIES, LTD.
The molding device according to the present invention is a molding device for expanding a metal pipe material and molding a metal pipe, the molding device provided with a molding die for molding a metal pipe, a first electrode and a second electrode for holding a metal pipe material on both end sides thereof and applying an electric current to heat the metal pipe material, and a first fluid supply part and a second fluid supply part for supplying a fluid into the metal pipe material heated by the first electrode and the second electrode and expanding the metal pipe material, the first electrode and/or the second electrode being provided with a movement restricting mechanism for restricting movement of the metal pipe material in the axial direction of the metal pipe material.