Patent ID: 11956866
Assignee: I.R.C.A. S.P.A. INDUSTRIA RESISTENZE CORAZZATE E AFFINI
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC H

Claim 0:
1. An electric heater for heating a substance inside a tank, the electric heater comprising
at least one resistive wire adapted to be connected to a source of electricity, said at least one resistive wire being provided with a sheath made of electrically insulating material;
at least one first thermally conductive sheet made of metal fixed to the at least one resistive wire;
at least two protective layers made of polymer material, fixed to each other;
wherein the at least one resistive wire and the at least one first thermally conductive sheet are arranged between the at least two protective layers.