Double-bottomed slab with electric heating means

摘要

There is proposed a double-bottomed slab with electric heating means, in which heating wires 7 are embedded in a thermally conductive and/or heat-storing material 9, the supply lines 8 of which heating wires are led towards the outside at the bottom or laterally. The thermally conductive and/or heat-storing material is embedded in a plastic trough 1.