Invention Grant
- Patent Title: Hot press molding method and hot press molding die
- Patent Title (中): 热压成型法和热压成型模具
-
Application No.: US14116708Application Date: 2012-05-22
-
Publication No.: US09433989B2Publication Date: 2016-09-06
- Inventor: Hiroshi Fukuchi , Yuichi Ishimori
- Applicant: Hiroshi Fukuchi , Yuichi Ishimori
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2011-115176 20110523
- International Application: PCT/JP2012/063075 WO 20120522
- International Announcement: WO2012/161192 WO 20121129
- Main IPC: B21D22/20
- IPC: B21D22/20 ; B21D22/02 ; B21D24/16 ; B21D28/26 ; B21D37/16 ; B21D43/00 ; C21D1/673

Abstract:
The present invention provides a hot press molding method for molding a heated metallic plate (K) using a molding die (20, 60) comprising an upper die (21) and a lower die (20). According to the method, the heated metallic plate is arranged between the upper die and the lower die, the upper die and the lower die are brought together, and the metallic plate held between the dies is pressed. After the metallic plate is pressed, a refrigerant in the form of a liquid or mist is supplied via a plurality of supply holes provided to the lower die to a surface of the metallic plate held between the dies, and once the refrigerant has finished being supplied, a gas is sprayed onto the surface of the metallic plate via the plurality of supply holes. It is thereby possible to remove, with maximum speed, liquid refrigerant adhering to the metallic plate when the supply of liquid refrigerant is stopped.
Public/Granted literature
- US20140069162A1 HOT PRESS MOLDING METHOD AND HOT PRESS MOLDING DIE Public/Granted day:2014-03-13
Information query