INDUCTION HEATING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an induction heating device wherein the life of a coil is improved by preventing breakdown due to a scale or invasion of vapor for a long period of time. SOLUTION: The whole of a heating coil 5 wherein the outside of a heated material passage part 3 formed in a square tube out of a fireproof material 2 through which a plate-like heated material 1 passes is wound with a copper tube 4 induction heating the plate-like heated material 1 is enclosed in a coil box 10 which formed in a box shape out of insulating plates 9 so as to be isolated from the outside air to prevent the scale or the invasion of the vapor over a long period of time. COPYRIGHT: (C)2004,JPO&NCIPI