| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat roller device that is provided with a metal heat roller induction-heated by high-frequency magnetic field, and an induction heating part arranged in the heat roller, and can prevent a wire from being damaged in a manufacturing process by constituting the induction heating part as an induction heating coil by winding a litz wire around a slotted bobbin, each of which edges is shaped into a round form. SOLUTION: A metal heat roller 10 is so composed as to be induction-heated by an induction heating part 13 arranged in the heat roller 10, and the induction heating part 13 is composed as an induction heating coil by winding a litz wire around a slotted bobbin, each of which edges is shaped into a round form, so that this heat roller device capable of preventing wires from being damaged in a manufacturing process can be provided.
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