Title:
ELECTRIC HEATING DEVICE, MOLDING DEVICE, AND ELECTRIC HEATING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/166927
Kind Code:
A1
Abstract:
An electric heating device according to the present invention is used in a molding device for expansion-molding a metal material and includes a heating unit for heating the metal material by allowing a current to pass through the metal material, and a detection unit for detecting an electrical property value in the heating by the heating unit. The heating unit controls the temperature of the metal material on the basis of the electrical property value detected by the detection unit.
Inventors:
IDE AKIHIRO (JP)
NOGIWA KIMIHIRO (JP)
ISHIZUKA MASAYUKI (JP)
NOGIWA KIMIHIRO (JP)
ISHIZUKA MASAYUKI (JP)
Application Number:
PCT/JP2023/004063
Publication Date:
September 07, 2023
Filing Date:
February 07, 2023
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
B21D26/033
Foreign References:
| JP2020095775A | 2020-06-18 | |||
| JPS57165150A | 1982-10-12 | |||
| JP2004053348A | 2004-02-19 | |||
| JPS5070945A | 1975-06-12 | |||
| JPH0562761A | 1993-03-12 | |||
| JP2009220141A | 2009-10-01 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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