Patent ID: 8720151
Filing Date: 2014-05-13
Classification: B32B,E04F,Y10T

Abstract:
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, and the floorboard has a thickness exceeding 12 mm.