METHOD FOR MANUFACTURING HEATING SHEET AND APPARATUS FOR MANUFACTURING SAME

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The present invention relates to a method for manufacturing a heating sheet, the method comprising the steps of : a) weaving a weft including a carbon-coated weft W1 and a normal weft W2 and a warp including a metal wire into a fabric; b) cutting the woven fabric and connecting a power supply line to an electrode lead part by using, as the electrode lead part, a portion where the metal wire is located at the end of the cut fabric; and c) shielding the entire sheet-type fabric including the fabric and the power supply line by coating the same with an outer sheath, wherein, in step a), the carbon-coated weft W1 and the normal weft W2 satisfy formula 1 below : [in-line-formulae]0.2≤d1/d2≤0.8  [Formula 1][/in-line-formulae] [In formula 1, d1 is the denier of the carbon-coated weft W1 and d2 is the denier of the normal weft W2.]