| 摘要 |
The purpose of the present invention is to provide a heater device capable of preventing the movement of a heater element. The heater device comprises a heat insulating material, a cylindrical support disposed in the vicinity of the heat insulating material, a heater element formed by being spirally wound around the outer circumference of the support a plurality of times, and a movement preventing member preventing the movement of the heater element in the axial direction of the support. |
