The present invention relates to a heatable covering system for floors, ceilings and walls and to a method producing a heatable covering system. The covering system comprises covering panels which comprise at least on one longitudinal edge coupling means in order to be able to join covering panels w
The present invention relates to a heatable covering system for floors, ceilings and walls and to a method producing a heatable covering system. The covering system comprises covering panels which comprise at least on one longitudinal edge coupling means in order to be able to join covering panels with each other, wherein the covering panels are provided with electric heating means, built by at least one electrical conductive layer and a therein embedded enforcement layer, and which comprise electric contacting means.
대표청구항▼
1. A heatable covering system for floors, ceilings and walls, comprising: covering panels each having a decorative top side and a bottom side; whereinthe decorative top side includes a décor layer having an appearance of real wood,the covering panels each have at longitudinal edges thereof correspon
1. A heatable covering system for floors, ceilings and walls, comprising: covering panels each having a decorative top side and a bottom side; whereinthe decorative top side includes a décor layer having an appearance of real wood,the covering panels each have at longitudinal edges thereof corresponding couplings in order to be able to join the covering panels to each other,the covering panels each comprise an electric heater and electric contacts in order to be able to electrically connect the covering panels with each other,the electric heater comprises an electrically conductive dry layer formed by an electrically conductive fluid which is applied onto the covering panels as a liquid and then dried or hardened, andthe covering panels further comprise at least one reinforcement layer wherein the at least one reinforcement layer is at least partially embedded in the electrically conductive dry layer. 2. The heatable covering system according to claim 1, wherein the electric contacts are at least partially arranged at the couplings so that by assembling together the couplings of adjacent panels an electrical connection between the covering panels is producible. 3. The heatable covering system according to claim 1, wherein the at least one reinforcement layer comprises cellulose fibres and/or cotton fibres having a weight per unit area between 10 and 600 g/m2. 4. The heatable covering system according to claim 1, wherein the couplings comprise complementary groove and tongue elements, each panel having the groove element on one longitudinal side and the tongue element on an opposite longitudinal side. 5. The heatable covering system according to claim 1, wherein the electric contacts substantially extend over a full length of the couplings. 6. The heatable covering system according to claim 1, wherein the electric contacts are pressed and/or glued on the couplings and/or are attached to the couplings by adhesive tape. 7. The heatable covering system according to claim 1, wherein the couplings comprise complementary groove and tongue elements, and the electrical contacts comprise electrically conductive metal foils that cover at least partially an inner surface of a lower flank of the groove and at least partially a lower side of the tongue. 8. The heatable covering system according to claim 1, wherein the electrically conductive dry layer comprises graphite lacquer or carbon lacquer or of a mixture thereof, wherein the fluid used to form the electrically conductive dry layer after hardening comprises carbon or graphite particles, and/or the fluid comprises nano-scale electrical conductive particles or multi-walled-carbon-nano tubes in order to increase the electrical conductivity of the fluid and/or in order to make the fluid electrically conductive. 9. The heatable covering system according to claim 1, wherein the reinforcement layer has a suction effect or an osmosis effect at the fluid used to make the electrical conductive dry layer. 10. The heatable covering system according to claim 1, wherein the electric heater of each covering panel has a sheet resistance of 100 to 500 Ohm/quadrate. 11. The heatable covering system according to claim 1, wherein the bottom side of the covering panel is provided with a sound-absorbing layer arranged between the bottom side of the covering panel and the electric heater. 12. The heatable covering system according to claim 1, wherein the reinforcement layer was applied onto the still wet fluid in order to embed the reinforcement layer at least partially in the electrically conductive dry layer. 13. A method for producing a heatable covering system for floors, ceilings and walls, comprising the following steps: providing a covering panel having a decorative top side and a bottom side, the decorative top side including a décor layer having an appearance of real wood;providing an electrically conductive fluid;applying the fluid onto the bottom side of the covering panel by means of a casting coating, a spray coating, a coil coating, a roller coating, a doctor blade coating, a screen print coating or an inkjet coating, or a combination thereof, wherein between 10 to 350 g/m2 fluid is applied onto the covering panel;applying and rolling a reinforcement layer onto the still not hardened fluid; anddrying the fluid at a temperature up to 130° C. to form an electrically conductive layer, with the reinforcement layer becoming irreversibly adhered to the electrically conductive layer, and wherein the reinforcement layer is at least partially embedded in the electrically conductive dry layer. 14. A heatable covering system for floors, ceilings and walls produced according to the method of claim 13. 15. The heatable covering system according to claim 1, wherein the covering panels are laminate panels, veneer panels or parquet panels. 16. The heatable covering system according to claim 1, wherein the reinforcement layer is a fleece, paper, web or a meshwork. 17. The method according to claim 13, wherein the covering panels are laminate panels, veneer panels or parquet panels. 18. The method according to claim 17, wherein the electrically conductive fluid comprises carbon or graphite particles or comprises nano-scaled electrical conductive particles or multi-walled-carbon-nano tubes. 19. The method according to claim 15, wherein the reinforcement layer is a fleece, paper, web or a meshwork. 20. The method according to claim 15, wherein the reinforcement layer is applied at a temperature between 15 to 85° C., and the reinforcement layer is applied with a speed between 10 and 250 m/min. 21. The method according to claim 13, comprising: providing the covering panels at their longitudinal edges with corresponding couplings in order to be able to join the covering panels to each other, andproviding electric contacts in order to be able to electrically connect the covering panels with each other, wherein the electric contacts extend over at least 60% of a length of the couplings. 22. The heatable covering system according to claim 1, wherein the electric contacts extend over at least 60% of a length of the couplings.
Kim, Min-Ja; Kim, Byung-Dong; Moon, Chang-kyu; Kim, Jung-Moo, Temperature control device of electric heater using thermo-sensitive resin and safety device thereof.
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