Title:
PREHEATING DEVICE OF DIE FOR HOT FORGING
Document Type and Number:
Japanese Patent JPH11156468
Kind Code:
A
Abstract:
To simultaneously and uniformly preheat a plurality of dies.
A die 6 comprises a heat-resistant cylindrical case 3 which can be inserted, and is provided with a plurality of fixed heating cylinders 2 provided with a high frequency heating coil on an inner circumferential surface, a heat-resistant elevating/lowering plate 5 which is provided on a lower part of each heating cylinder 2 in an elevating/lowering manner, an inserts each die 6 into the heating cylinder from a lower part by placing and holding the die 6, and a driving means 7 to vertically move the elevating/lowering plate 5.
Inventors:
ARAKI MICHIO
NISHIZUMI TAKATOMO
NISHIZUMI TAKATOMO
Application Number:
JP32266597A
Publication Date:
June 15, 1999
Filing Date:
November 25, 1997
Export Citation:
Assignee:
FUJI VALVE
International Classes:
H05B6/10; B21J1/06; B21J13/02; (IPC1-7): B21J1/06; B21J13/02; H05B6/10
Attorney, Agent or Firm:
Shoichi Takezawa (1 person outside)