| 摘要 |
PROBLEM TO BE SOLVED: To provide a single-turn induction heating coil in which facility cost in composing an induction heating furnace for a metal strip can be reduced, and for which maintenance and inspection of the coil are easy. SOLUTION: In this induction heating coil 8, a surface side conductor part 9 and a back side conductor p art 10 are provided additionally, in parallel to a surface side conductor part 4 and a back side conductor part 5 in the length direction of the metal strip 1 in a conventional coil 7, and open ends of the surface side and the back side conductor parts 4 and 5 are respectively connected to those of the conductor parts 5 and 10 by conductor parts 11 and 12 extended in the length direction of the metal strip 1.
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