A floor panel may include a substrate and a top layer located above the substrate. The substrate may include a closed cell foamed synthetic material layer with fillers, and have an average density of more than 300 kilograms per cubic meter. The top layer may include a back layer, a printed synthetic
A floor panel may include a substrate and a top layer located above the substrate. The substrate may include a closed cell foamed synthetic material layer with fillers, and have an average density of more than 300 kilograms per cubic meter. The top layer may include a back layer, a printed synthetic material film above the back layer, and a transparent or translucent synthetic material wear layer above the printed synthetic material film. The back layer may include a vinyl compound with fillers, and have a thickness of at least 45 percent of the thickness of the top layer. The floor panel may include first mechanical coupling parts at the pair of long edges and second mechanical coupling parts at the pair of short edges. The first mechanical coupling parts may allow horizontal and vertical locking of two of such floor panels using a turning movement along the respective long edges.
대표청구항▼
1. A floor panel comprising: a substrate; anda top layer located above and glued to the substrate;wherein the substrate includes a closed cell foamed PVC board with fillers;wherein the closed cell foamed PVC board has an average density of more than 300 kilograms per cubic meter;wherein the top laye
1. A floor panel comprising: a substrate; anda top layer located above and glued to the substrate;wherein the substrate includes a closed cell foamed PVC board with fillers;wherein the closed cell foamed PVC board has an average density of more than 300 kilograms per cubic meter;wherein the top layer includes a back layer, a printed synthetic material film located above the back layer and a transparent or translucent synthetic material wear layer located above the printed synthetic material film;wherein the back layer includes a vinyl compound with fillers;wherein the back layer has a thickness of at least 45 percent of the thickness of the top layer;wherein the floor panel includes a first pair of edges and a second pair of edges;wherein the floor panel includes first mechanical coupling parts at the first pair of edges and second mechanical coupling parts at the second pair of edges;wherein the first mechanical coupling parts allow a horizontal and vertical locking of two of such floor panels using a turning movement along the respective edges;wherein the first mechanical coupling parts include a tongue and a groove;wherein the groove is flanked by an upper lip and a lower lip;wherein the first mechanical coupling parts include a vertical locking mechanism having a vertically active locking surface at the upper side of the tongue and a vertically active locking surface at the lower side of the upper lip;wherein the first mechanical coupling parts include a horizontal locking mechanism having a horizontally active locking surface at the lower side of the tongue and a horizontally active locking surface at the upper side of the lower lip; andwherein both said horizontally active locking surfaces and both said vertically active locking surfaces are formed completely in the material of the closed cell foamed PVC board. 2. The floor panel of claim 1, wherein at least 70 percent of the circumference of the first mechanical coupling parts is formed in the material of the closed cell foamed PVC board. 3. The floor panel of claim 1, wherein the first mechanical coupling parts comprise additional horizontally active locking surfaces situated at the height of the location where the top layers of two of such floor panels in coupled condition are flanking each other; and wherein the additional horizontally active locking surfaces are formed substantially in the material of the top layer. 4. The floor panel of claim 1, wherein the first mechanical coupling parts comprise additional vertically active locking surfaces at the lower side of the tongue and the upper side of the lower lip, respectively; and wherein the additional vertically active locking surfaces are formed completely in the material of the closed cell foamed PVC board. 5. The floor panel of claim 1, wherein the substrate has a thickness of at least 5 millimeters. 6. The floor panel of claim 1, wherein the closed cell foamed PVC board has a top flat side and a bottom flat side; and wherein the closed cell foamed PVC board has a local density on the top flat side which is higher than in a central layer of the closed cell foamed PVC board. 7. The floor panel of claim 6, wherein the closed cell foamed PVC board has a local density on the top flat side and the bottom flat side which is higher than in a central layer of the closed cell foamed PVC board. 8. The floor panel of claim 1, wherein the transparent or translucent synthetic material wear layer comprises a vinyl layer. 9. The floor panel of claim 1, wherein the back layer is the thickest and densest layer of the top layer. 10. The floor panel of claim 1, wherein the top layer has a thickness of 0.5 to 3 millimeters. 11. The floor panel of claim 1, wherein the top layer has a density of more than 500 kilograms per cubic meter. 12. The floor panel of claim 1, wherein the top layer has a higher density than the substrate. 13. The floor panel of claim 1, wherein the floor panel comprises a backing layer below the substrate. 14. The floor panel of claim 13, wherein the backing layer has a lower density than the back layer. 15. The floor panel of claim 1, wherein the floor panel has a thickness of 5 to 10 millimeters. 16. The floor panel of claim 1, wherein the floor panel is rectangular and oblong and includes a pair of long edges and a pair of short edges; wherein the pair of long edges is formed by the first pair of edges; andwherein the pair of short edges is formed by the second pair of edges. 17. The floor panel of claim 1, wherein the floor panel will bend less than 10 centimeters per meter under its own weight. 18. A floor panel comprising: a substrate;a top layer located above and glued to the substrate; anda backing layer located below the substrate;wherein the substrate includes a closed cell foamed PVC board with fillers;wherein the closed cell foamed PVC board has an average density of more than 300 kilograms per cubic meter;wherein the closed cell foamed PVC board has a top flat side and a bottom flat side;wherein the closed cell foamed PVC board has a local density on the top flat side and the bottom flat side which is higher than in a central layer of the closed cell foamed PVC board;wherein the top layer includes a back layer, a printed synthetic material film located above the back layer, a transparent or translucent synthetic material wear layer located above the printed synthetic material film and a surface layer located above the transparent or translucent synthetic material wear layer;wherein the back layer comprises a vinyl compound with fillers;wherein the back layer has a thickness of at least 45 percent of the thickness of the top layer;wherein the transparent or translucent synthetic material wear layer includes a vinyl layer;wherein the surface layer includes a UV hardened substance;wherein the floor panel includes a first pair of edges and a second pair of edges;wherein the floor panel includes first mechanical coupling parts at the first pair of edges and second mechanical coupling parts at the second pair of edges;wherein the first mechanical coupling parts allow a horizontal and vertical locking of two of such floor panels using a turning movement along the respective edges;wherein the first mechanical coupling parts include a tongue and a groove;wherein the groove is flanked by an upper lip and a lower lip;wherein the first mechanical coupling parts include a vertical locking mechanism having a vertically active locking surface at the upper side of the tongue and a vertically active locking surface at the lower side of the upper lip;wherein the first mechanical coupling parts include a horizontal locking mechanism having a horizontally active locking surface at the lower side of the tongue and a horizontally active locking surface at the upper side of the lower lip; andwherein both said horizontally active locking surfaces and both said vertically active locking surfaces are formed completely in the material of the closed cell foamed PVC board. 19. The floor panel of claim 18, wherein the substrate has a thickness of at least 5 millimeters. 20. The floor panel of claim 18, wherein the back layer is the thickest and densest layer of the top layer. 21. The floor panel of claim 18, wherein the top layer has a thickness of 0.5 to 3 millimeters. 22. The floor panel of claim 18, wherein the top layer has a higher density than the substrate. 23. The floor panel of claim 18, wherein the top layer has a density of more than 500 kilograms per cubic meter. 24. The floor panel of claim 18, wherein the backing layer has a lower density than the back layer. 25. The floor panel of claim 18, wherein the floor panel has a thickness of 5 to 10 millimeters. 26. The floor panel of claim 18, wherein the floor panel is rectangular and oblong and includes a pair of long edges and a pair of short edges; wherein the pair of long edges is formed by the first pair of edges; andwherein the pair of short edges is formed by the second pair of edges. 27. The floor panel of claim 18, wherein the floor panel will bend less than 10 centimeters per meter under its own weight. 28. A floor panel comprising: a substrate; anda top layer located above and welded to the substrate;wherein the substrate includes a closed cell foamed PVC board with fillers;wherein the closed cell foamed PVC board has an average density of more than 300 kilograms per cubic meter;wherein the top layer includes a back layer, a printed synthetic material film located above the back layer and a transparent or translucent synthetic material wear layer located above the printed synthetic material film;wherein the top layer has a thickness of 0.5 to 3 millimeters;wherein the top layer has a density of more than 500 kilograms per cubic meter;wherein the back layer comprises a vinyl compound with fillers;wherein the back layer has a thickness of at least 45 percent of the thickness of the top layer;wherein the back layer has a higher density than the transparent or translucent synthetic material wear layer;wherein the transparent or translucent synthetic material wear layer has a thickness of 1 millimeter or less;wherein the floor panel is rectangular and oblong and includes a pair of long edges and a pair of short edges;wherein the floor panel includes first mechanical coupling parts at the pair of long edges and second mechanical coupling parts at the pair of short edges;wherein the first mechanical coupling parts allow a horizontal and vertical locking of two of such floor panels using a turning movement along the respective long edges;wherein the first mechanical coupling parts include a tongue and a groove;wherein the groove is flanked by an upper lip and a lower lip;wherein the first mechanical coupling parts include a vertical locking mechanism having a vertically active locking surface at the upper side of the tongue and a vertically active locking surface at the lower side of the upper lip;wherein the first mechanical coupling parts include a horizontal locking mechanism having a horizontally active locking surface at the lower side of the tongue and a horizontally active locking surface at the upper side of the lower lip; andwherein both said horizontally active locking surfaces are formed completely in the material of the closed cell foamed PVC board. 29. The floor panel of claim 28, wherein the closed cell foamed PVC board has a top flat side and a bottom flat side; and wherein the closed cell foamed PVC board comprises a first glass fiber layer situated on the top flat side and a second glass fiber layer situated on the bottom flat side. 30. The floor panel of claim 28, wherein the floor panel will bend less than 10 centimeters per meter under its own weight.
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