Title:
熱間プレスライン及び熱間プレス成形品の製造方法
Document Type and Number:
Japanese Patent JP7376831
Kind Code:
B2
Abstract:
A hot press line (100) includes: a heating device (30); a first press device (10) having first die parts (1A, 1B); a second press device (20) having second die parts (2A, 2B); a first transportation device (41) that transports a metal sheet (B) to the first press device; and a second transportation device (42) that transports the metal sheet (B) to the second press device. One of the pair of first die parts and the pair of second die parts includes a clearance portion (1Ac) recessed inwardly, whereas the other pair of die parts includes an abutment surface (2At) in at least part of the portion corresponding to the clearance portion (1Ac) of the one pair of die parts, where the abutment surface abuts the metal sheet (B) when the die is at the bottom-dead center.
Inventors:
Kenta Uenishi
Toshiya Suzuki
Toshiya Suzuki
Application Number:
JP2022512543A
Publication Date:
November 09, 2023
Filing Date:
March 30, 2021
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21D24/00; B21D22/20; C21D1/18; C21D9/00
Domestic Patent References:
| JP2007237204A | ||||
| JP6664556B1 |
Foreign References:
| US20110094282 | ||||
| US5916389 |
Attorney, Agent or Firm:
Hidetoshi Ueba
Tetsufumi Yamauchi
Tetsufumi Yamauchi