| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating furnace that suppresses decrease in temperature in a furnace even in a case where a gap is generated at a seal part by continuously using the heating furnace, and can maintain even temperature in the furnace. ! SOLUTION: A heating furnace 100 includes: a furnace body 10 that includes a heating chamber 19 storing a heat treatment object H and heating it; a truck 13 that moves the heating chamber 19 of the furnace 10 in an advancing and retreating manner; a door 17 that is provided in the furnace body 10, and in which the truck 13 enters or exits; a seal part S that is formed by abutting the furnace 10 and the truck 13 or the door 17 and the truck 13, and is provided so as to prevent air from entering from outside a passage; and a pressure loss body with respect to air that is provided at an entry passage for air passing through the seal part S to the heating chamber 19. ! COPYRIGHT: (C)2014,JPO&INPIT |
