| 摘要 |
To provide a heating apparatus in which a coil has a simple shape, an edge part of a metal plate can be overheated and uniform heating in a widthwise direction of the metal plate is enabled, the present invention provides a heating apparatus comprising: a first heating unit spaced apart from one side of a metal plate to generate a magnetic field for heating the metal plate and arranged in parallel with the metal plate; and a second heating unit spaced apart from the other side of the metal plate, wherein the first heating unit and the second heating unit include magnetic cores extending in the widthwise direction of the wound coil extending in the advancing direction/widthwise direction of the metal plate, wherein the magnetic cores have first members extending along an inner surface of a horizontal unit, and an outer surface of the horizontal unit is opened in the wound coil. |
