| 摘要 |
PROBLEM TO BE SOLVED: To prevent damage of an exothermic body and short-circuit while reducing the number of components.SOLUTION: The molding method of a heater includes: fixing an exothermic body 11 to a pre-molded lower side coating material 12; disposing the lower side coating material 12 and the exothermic body 11 in a mold; molding an upper side coating material and integrate it with the lower side coating material 12 by injecting a molten resin; and coating the exothermic body 11 with the upper side coating material and the lower side coating material 12.SELECTED DRAWING: Figure 3 |
