초록 ▼

Floorboards for making a floating floor have a core (30) which includes at least two layers of material (L1, L2), which are arranged at different distances from the surface layer (31), and which differ in respect of material properties or material composition. Semi manufactures for making such floor

Floorboards for making a floating floor have a core (30) which includes at least two layers of material (L1, L2), which are arranged at different distances from the surface layer (31), and which differ in respect of material properties or material composition. Semi manufactures for making such floorboards are also disclosed.

대표청구항 ▼

1. A floorboard for making a laminate flooring, the floorboard having a core and a surface layer arranged on an upper side of the core, the core comprising at least a first core layer and a second core layer, and the surface layer comprising a thermosetting resin, and connectors, arranged along at l

1. A floorboard for making a laminate flooring, the floorboard having a core and a surface layer arranged on an upper side of the core, the core comprising at least a first core layer and a second core layer, and the surface layer comprising a thermosetting resin, and connectors, arranged along at least two opposite edge portions of said floorboard, adapted to lock said floorboard with a substantially similar floorboard in a vertical direction perpendicular to said surface layer and in a horizontal direction perpendicular to said vertical direction and to said edge portions, wherein the first core layer, closest to the surface layer, comprises HDF or MDF,the second core being a sound absorbing or reducing layer that is arranged above the connectors to be closer to the surface layer than the connectors, andthe floorboard has a thickness exceeding 12 mm. 2. The floorboard as claimed in claim 1, wherein the second core layer comprises a wood fiber board material. 3. The floorboard as claimed in claim 2, wherein the surface layer is a direct laminate. 4. The floorboard as claimed in claim 1, wherein said sound absorbing or reducing layer is arranged in an upper part of said floorboard. 5. The floorboard as claimed in claim 4, wherein said sound absorbing or reducing layer comprises rubber or a rubber-like material. 6. The floorboard as claimed in claim 4, wherein said sound absorbing or reducing layer comprises cork. 7. The floorboard as claimed in claim 1, wherein the connectors are mechanical connectors. 8. The floorboard as claimed in claim 1, wherein the connectors are one single continuous piece with the core. 9. The floorboard as claimed in claim 1, wherein the connectors comprise a tongue and a groove for locking the floorboard with the similar floorboard in the vertical direction, and a locking element and a locking groove for locking the floorboard with the similar floorboard in the horizontal direction. 10. The floorboard as claimed in claim 1, wherein the connectors are configured to lock the floorboard with the similar floorboard by inward angling or snapping-in.