Title:
熱間プレス加工装置
Document Type and Number:
Japanese Patent JP7147586
Kind Code:
B2
Abstract:
To cool a work-pice efficiently in a hot press-working.SOLUTION: A hot press-working device comprises: a plurality of refrigerant discharging ports 212 opened onto a press-molding surface 201 of a lower die 204 with an interval in a longitudinal direction LD; and refrigerant guiding grooves 230, formed on the press-molding surface 201, through which refrigerants discharged from the refrigerant discharging ports 212 are guided to an outer edge part of the press-molding surface 201 while contacting the refrigerants with the work-piece. The refrigerant guiding grooves 230 extend in a direction in which the grooves cross the press-molding surface 201 from the refrigerant discharging ports 212. The refrigerant guiding grooves 230 are supplied with the refrigerants through one refrigerant discharging port.SELECTED DRAWING: Figure 2
Inventors:
▲高▼橋 友里
Takeshi Matsuda
Takeshi Nakamura
Kei Okawa
Ichiro Ino
Naoyuki Irie
Takeshi Matsuda
Takeshi Nakamura
Kei Okawa
Ichiro Ino
Naoyuki Irie
Application Number:
JP2019010063A
Publication Date:
October 05, 2022
Filing Date:
January 24, 2019
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
B21D24/00; B21D22/20
Domestic Patent References:
| JP2002282951A | ||||
| JP2018012113A | ||||
| JP2014205164A | ||||
| JP44000158B1 |
Foreign References:
| US20080295563 | ||||
| US20110232354 |
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office