| 摘要 |
PROBLEM TO BE SOLVED: To prevent efficiency deterioration of a heating furnace by interposing a heat insulating part between a heating part rail and a cooling part rail. SOLUTION: In the heating furnace, a transfer chain 53 of a transfer means 55 for transferring an object W to be heated in a furnace body is guided by a guide rail 57 arranged along a hot blast type heating device 12 and a cooling device 56. The guide rail 57 is provided with the heating part rail 57a heated by the hot blast type heating device 12, the cooling part rail 57b cooled by the cooling device 56, and the heat insulating part 58 interposed between the heating part rail 57a and the cooling part rail 57b. COPYRIGHT: (C)2006,JPO&NCIPI |
