| 摘要 |
PURPOSE:To provide a heat treating furnace and a method for manufacturing the same in which operability is improved, a manufacturing time is shortened, and an accuracy of an arranging pitch of heat generating resistors is improved. CONSTITUTION:A heat treating furnace 1 comprises spiral heat generating resistors 9 along an inner wall surface of a cylindrical heat insulator 10, and a support 18 divided into a plurality in an axial direction of the insulator 10 to support the resistors 9. The supports 18 have a plurality of support pieces extended radially outward via pitches of the resistors 9 at a base disposed inside the resistors 9, wherein the ends of the pieces are buried in the insulator 10. Thus, since its structure is simplified, its manufacture is facilitated, operability is improved, its manufacturing time is shortened, and an accuracy of arranging pitch of the resistors 9 is improved. |
