Abstract: Building panels, especially floor panels are shown, which are provided with a locking system that is configured to lock the adjacent edges by angling and that have a tongue and a strip on the same edge, and a method to divide a board and produce such building panels. A method for dividing a floor element, into a first floor panel and a second floor panel, said floor element including a core provided with a decorative surface layer and a balancing layer, wherein the method includes the step of forming, through the balancing layer or the decorative surface layer, a second groove by displacing the floor element past a fixed tool.

Abstract: Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibres and thermosetting resins, said building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.

Abstract: Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibres and thermosetting resins, said building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.

Abstract: Building panels, especially floor panels, which are provided with a locking system including several separate strip parts connected to the panel edge. A strip part, configured to lock panels horizontally and to be fixed to a panel edge, including a strip body with an inner part configured to be fixed under the panel edge and an outer part configured to extend outside the panel edge, wherein the inner part comprises a fixing element configured to lock the strip part to the panel edge in a horizontal direction, wherein the outer part including a locking protrusion, located above the strip body and configured to lock the strip part to the panel edge vertically and a locking element configured to lock the panels in a horizontal direction, and wherein the inner part includes a cavity formed in the strip body and located between the fixing element and the locking protrusion.

Abstract: Building panels provided with a locking system for vertical and horizontal locking of a first edge and a second edge of adjacent panels. The locking system includes a displaceable tongue at least partly arranged in a displacement groove, a tongue groove, a cavity provided in a strip at the first edge, and a protrusion extending downwards at the second edge. The displaceable tongue is arranged to be displaced at least partly into the tongue groove during locking, and wherein the protrusion is arranged to be located in least a portion of the cavity when the panels are locked vertically and horizontally.

Abstract: Floor panels are shown, which are provided with a vertical locking system on short edges comprising a displaceable tongue that is displaced in one direction into a tongue groove during vertical displacement of two panels. The displaceable tongue may be provided in a sidewardly open displacement groove at an edge of a building panel, the displaceable tongue including a main body extending along the edge of the panel and a tongue locking surface located at an upper and outer part of the tongue.

Abstract: Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibers and thermosetting resins, said building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.

Abstract: Building panels, especially floor panels are shown, which are provided with a locking system comprising several cavities and local protrusions that provide horizontal locking of two adjacent edges.

Abstract: Floor panels are shown, which are provided with a vertical locking system on short edges comprising a displaceable tongue that is displaced in one direction into a tongue groove during vertical displacement of two panels.

Abstract: A method of producing a building panel, including: providing a core, applying a balancing layer having a first moisture content on a first surface of the core, the balancing layer comprising a sheet impregnated with a thermosetting binder, applying a surface layer having a second moisture content on a second surface of the core, the surface layer comprising a thermosetting binder, adjusting the first moisture content of the balancing layer such that the first moisture content of the balancing layer is higher than the second moisture content of the surface layer prior to curing, and curing the surface layer and the balancing layer by applying heat and pressure. Also, a semi-finished product adapted to be cured for forming a building panel.

Abstract: Building panels, especially floor panels, which are provided with a locking system including several separate strip parts connected to the panel edge. A strip part, configured to lock panels horizontally and to be fixed to a panel edge, including a strip body with an inner part configured to be fixed under the panel edge and an outer part configured to extend outside the panel edge, wherein the inner part comprises a fixing element configured to lock the strip part to the panel edge in a horizontal direction, wherein the outer part including a locking protrusion, located above the strip body and configured to lock the strip part to the panel edge vertically and a locking element configured to lock the panels in a horizontal direction, and wherein the inner part includes a cavity formed in the strip body and located between the fixing element and the locking protrusion.

Abstract: Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibres and thermosetting resins, said building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.

Abstract: A method of producing a building panel (1), including: providing a core (2), applying a balancing layer (6) having a first moisture content on a first surface (3) of the core (2), the balancing layer (6) comprising a sheet impregnated with a thermosetting binder, applying a surface layer (12) having a second moisture content on a second surface (4) of the core (2), the surface layer (12) comprising a thermosetting binder, adjusting the first moisture content of the balancing layer (6) such that the first moisture content of the balancing layer (6) is higher than the second moisture content of the surface layer (12) prior to curing, and curing the surface layer (12) and the balancing layer (6) by applying heat and pressure. Also, a semi-finished product adapted to be cured for forming a building panel (1).

Abstract: Floor panels provided with a mechanical locking system comprising a separate material in order to reduce snapping resistance during vertical displacement. For example, a separate flexible tongue, the flexible tongue including an inner part, which is connected to a holding groove at a second edge, and an outer flexible snap tab that extends upwardly and in the connected state into a cavity under a protruding tongue for locking a first and a second floor panel to each other in a vertical direction.

Abstract: Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight.

Abstract: Floor panels are shown, which are provided with a vertical locking system on short edges including a displaceable tongue that is displaced in one direction into a tongue groove during vertical displacement of two panels. Building panels provided with a locking system for vertical locking of a first and a second building panel by a vertical displacement of the panels relative each other, a displaceable tongue is in a sidewardly open displacement groove provided at an edge of a first panel, said tongue cooperates with a tongue groove provided at an adjacent edge of a second panel for locking the edge and the adjacent edge vertically.

Abstract: Methods and equipment to apply a decorative surface on a building panel wherein the surface includes a mix of fibres, binders, wear resistant particles and pigments. Layers may be applied as separate layers with equipment that applies essentially only one of the materials in the surface mix.

Abstract: Floor panels are shown, which are provided with a vertical locking system on short edges including a displaceable tongue that is displaced in one direction into a tongue groove during vertical displacement of two panels. Building panels provided with a locking system for vertical locking of a first and a second building panel by a vertical displacement of the panels relative each other, a displaceable tongue is in a sidewardly open displacement groove provided at an edge of a first panel, said tongue cooperates with a tongue groove provided at an adjacent edge of a second panel for locking the edge and the adjacent edge vertically.

Abstract: A tongue with edge sections that are used to glue the tongue into a groove of panel. A tongue for connection of a building panel, said tongue is of an elongated shape and made of moulded plastic, the tongue including at least two protrusions at a first long edge of the tongue, wherein the protrusions are bendable in a plane parallel to the upper surface of the tongue and extending essentially in the parallel plane and, wherein the tongue has a second long edge, which is essentially straight over substantially the whole length of the tongue and the tongue includes a gluing part configured to be glued into a groove at an edge of the building panel.

Abstract: Floor panels are shown, which are provided with a vertical locking system on short edges comprising a displaceable tongue that is displaced in one direction into a tongue groove during vertical displacement of two panels.