| 20110127249 | ELECTRIC HEATING ELEMENT FOR INSOLES - There is described an electric heating element for insoles of footwear is provided which comprises a flexible, generally flat sheet of material. The sheet of material is provided across its surface with heating means. The heating means is connected with a number of flat electrodes for electric direct current, and includes positive and negative electrodes which are electrically connectable to a positive and a negative power line, respectively. The heating means is of a planar, continuous configuration and adapted to produce heat when electric direct current flows therethrough. | 06-02-2011 |
