Title:
INDUCTION HEATING FURNACE
Document Type and Number:
Japanese Patent JP3236238
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To efficiently heat a billet by reducing radiation loss at the time of induction-heating the billet.
SOLUTION: An inner tube body 11a and an outer tube body 11b constituted with a refractoriness ceramic tube to both, are arranged in concentric-state with a fixed interval to constitute a furnace center tube 11. The outer tube 11b is covered with a heat insulating material 12 and a coil conduit tube 13 is wound on the heat insulating material 12. In the inner tube body 11a of the furnace center tube 11, the billet 20 as a material to be heated, is carried and heated with electromagnetic induction by energizing to the coil conduit tube 13.
Inventors:
Setsuo Kuromatsu
Application Number:
JP7828897A
Publication Date:
December 10, 2001
Filing Date:
March 28, 1997
Export Citation:
Assignee:
Kuromatsu Electric Manufacturing Co., Ltd.
International Classes:
H05B6/10; B21J17/02; C21D9/00; F27B9/34; F27B9/36; F27D1/00; F27D11/06; (IPC1-7): B21J17/02; C21D9/00; F27B9/34; F27B9/36; F27D11/06
Domestic Patent References:
| JP61149100U |
Other References:
【文献】国際公開97/10065(WO,A1)
Attorney, Agent or Firm:
Noboru Tani