| 摘要 |
An apparatus in the production of a package or a packaging material comprising at least one metal layer and one polymer layer, the apparatus including an inductor connectable to a high frequency current source. According to the invention, said inductor includes a core ( 1 ) of a ferromagnetically conductive material, the core displaying two shanks ( 5 a , 5 b) with an air gap ( 6 ) between a first respective end of these shanks ( 5 a , 5 b), as well as an arc section ( 7 ) which interconnects a second respective end of the two shanks ( 5 a , 5 b) with each other for conducting a magnetic flow ( 8 ) between the shanks, the arc section ( 7 ) displaying an electrically conductive coil ( 2 ) wound around same, the coil displaying connection points ( 3 a , 3 b , 11 a , 11 b , 11 c) for said high frequency current source ( 4 ). |
