| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating device, etc., capable of conveniently and efficiently performing heating, while suppressing the occurrence of defective quality.SOLUTION: A heating device includes at least three heating parts, wherein the heating parts are arranged leaving a prescribed gap along the width direction of an objective material to be heated and the length in the width direction of the two heating parts arranged on the outermost side in the width direction is larger than the length in the width direction of the heating part arranged on an inner side than the two heating parts. |
