Surface heating element and process for producing it
Surface heating elements, which consist of an electrically conducting, thermoplastic core filled with carbon black, as well as insulating layers connected to this core on its upper and lower side, which layers are covered with metal plates on the outside. The contacts are placed in the core so that...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | Surface heating elements, which consist of an electrically conducting, thermoplastic core filled with carbon black, as well as insulating layers connected to this core on its upper and lower side, which layers are covered with metal plates on the outside. The contacts are placed in the core so that current flow is possible only between the metal contacts in the plane parallel to the surfaces. |
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