Abstract: A method of manufacturing a wood-based board. The method includes applying at least one first fibre mat including a first mix comprising lignocellulosic particles and a binder on a carrier, applying a second fibre mat including a second mix including cellulosic particles and a binder on said at least one first fibre mat, and pressing said at least one first fibre mat into a base layer and the second fibre mat into a surface layer simultaneously, thereby forming a wood-based board. Also, to such a wood-based board.

Abstract: Surface coverings, such as floor coverings, with an interlocking design are described. Methods of making the surface coverings are further described. A plank including a resilient composite sheet having four sides, an upper surface, a lower surface, and an overall thickness, and said composite sheet comprising at least one base layer, wherein said at least one base layer comprising at least one polymeric material and at least one filler, wherein opposite sides of the composite sheet comprise a first tongue on a first side and a first groove on the opposite second side, wherein the first tongue and first groove have complementary shape to each other to be interlockingly engageable with a corresponding groove or tongue on an adjacent floor plank.

Abstract: A method for producing a building element, including providing a substrate, applying a thermosetting binder on the substrate or on a wood veneer layer, arranging the wood veneer layer on the substrate with the thermosetting binder intermediate the substrate and the wood veneer layer, arranging an elastic or formable sheet including a polymeric material between the wood veneer layer and a press surface of a pressing device, applying heat and pressure by the pressing device on the elastic or formable sheet, the wood veneer layer, the thermosetting binder, and the substrate, thereby forming a building element including the substrate and the wood veneer layer attached to the substrate by the thermosetting binder, after applying heat and pressure, removing the elastic or formable sheet from the wood veneer layer. Also, a pressing device for embossing a wooden surface and a method of embossing a wooden surface.

Abstract: A panel, such as a floor panel, including a core, an optional upper arrangement and an optional lower arrangement. One or more of the core, the upper arrangement and the lower arrangement includes a mineral-based layer, preferably including magnesium oxide. One or more of the mineral-based layers includes reinforcement fibres embedded in a mineral-based matrix, preferably including magnesium oxide. The fibres are configured to increase the tensile strength of the mineral-based layer.

Abstract: A locking device including a spring, such as a static load spring, and a locking part, such as a locking pin or a locking disc, for locking two elements to one another includes connecting elements and U-shaped portions in a sequence. The U-shaped portions connect two connecting elements at a first end of said two connecting elements, respectively, wherein the two connecting elements converges towards each other towards a second end of the two connecting elements, respectively, in a non-compressed state, such that the sequence of connecting elements and U-shaped portions form a meandering shape.

Abstract: A set of essentially identical panels, such as building panels, provided with a mechanical locking system including a displaceable tongue arranged in a displacement groove having a first opening at a first edge of a first panel. The tongue is configured to be displaced in the displacement groove along a displacement axis to attain a locking state wherein a first portion of the tongue cooperates with a first tongue groove having a second opening at a second edge of an adjacent second panel, for vertical locking of the first and the second edge. A second portion of the tongue is configured to cooperate with the second edge of the adjacent second panel via an elongated element for vertical unlocking of the first and the second edge.

Abstract: A method to produce a laminated substrate with an embossed structure, including: providing a polymer based film printed by at least one gravure cylinder, applying the polymer based film on a substrate including a polymer based material, pressing said polymer based film to the substrate, thereby forming a laminated substrate, and embossing the laminated substrate by an embossing device such that the laminated substrate obtains an embossed structure, wherein a circumference of said at least one gravure cylinder exceeds a perimeter of the embossing device, and wherein the circumference of said at least one gravure cylinder divided by the perimeter of the embossing device substantially corresponds to an integer.

Abstract: A set of panels including a first panel and a second panel configured to assume a locked state in which a first main plane of the first panel is arranged at an angle of between 30° and 150° relative to a second main plane of the second panel. A separate tongue arranged in an insertion groove provided in a groove of the first panel is configured to cooperate with a locking portion of the recess provided in the edge section of the second panel for locking the panels in a first direction perpendicular to the first main plane, and the edge section is configured to cooperate with the groove for locking the panels in a second direction parallel to the first main plane. The locking portion is disposed at a locking angle below 45° with respect to the second main plane and/or the first direction.

Abstract: A vertical joint system for substrates is formed with joints and which engaged by relative motion in a direction perpendicular to major surfaces and of the substrate. The joints are configured to enable relative rotation of up to 3 degrees while maintaining engagement of the joints. The joints and are further configured to form two locking planes one on each of the inner and outer most sides of the joint. Engagement about the locking planes is provided by transverse outward extending surfaces. At least one surface in each pair of engaging surfaces is smoothly curved. The joints and can be further arranged to provide a third locking plane parallel to and between the locking planes. The joints are disengaged by combination of a downward rotation of one joint relative the other then application of a downward force.

Abstract: A method to produce a veneered element, the method including applying a first layer on a substrate, applying a second layer on a veneer layer, applying the veneer layer with the second layer applied thereto on the first layer, such that the second layer is facing the first layer, pressing the first layer, the second layer and the veneer layer together to form a veneered element, thereby material originating from the second layer permeates into the veneer layer, and wherein, after pressing, the first layer is visible through a crack, cavity, hole and/or knot of the veneer layer. Also, a veneered element.

Abstract: A floor panel assembly including a first and a second panel. A first edge portion of the first panel includes an upwardly extending locking element and a second edge portion of the second panel includes a downwardly open locking groove configured to cooperate with the locking element for horizontally locking the first and second edge portions to each other. The floor panel assembly further includes a connecting device configured to be at least partially arranged in the locking groove in a locked state of the first and second edge portions. The connecting device includes a positioning member configured to extend along a third edge portion of the first panel in the locked state, wherein the first and third edge portions join each other at a corner portion of the first panel. Also, a corresponding connecting device.

Abstract: A set of panels includes first and second panels, and a mechanical locking device for locking by vertical relative displacement of the panels. A locking strip extends from a first edge of the first panel in a direction parallel to first and second panel surfaces of the first panel. The locking strip includes a locking element configured to cooperate with a locking groove at a second edge of the second panel for locking in a direction parallel to the first panel surface. Opposite edges respectively include cooperating tongue and tongue groove for vertical locking. The locking strip includes a flexing groove extending from the second locking strip surface into the locking strip, to increase a flexibility of the locking strip during the assembly.

Abstract: Floor panels are shown, which are provided with a mechanical locking system on long and short edges allowing installation with vertical folding and where the long edge locking system prevents separation of the short edges during the folding action. Floor panels with mechanical locking systems with a flexible and displaceable tongue allowing easy installation.

Abstract: A method of assembling resilient floorboards is disclosed that includes the step of bending an edge of a floorboard during the assembling. The bending reduces the force required for connection of the edge to another edge of a juxtaposed floorboard. The floorboards may be provided with a mechanical locking system for vertical and horizontal locking of two adjacent floorboards.

Abstract: A method for producing a building element, including providing a substrate, applying a thermosetting binder on the substrate or on a wood veneer layer, arranging the wood veneer layer on the substrate with the thermosetting binder intermediate the substrate and the wood veneer layer, arranging an elastic or formable sheet including a polymeric material between the wood veneer layer and a press surface of a pressing device, applying heat and pressure by the pressing device on the elastic or formable sheet, the wood veneer layer, the thermosetting binder, and the substrate, thereby forming a building element including the substrate and the wood veneer layer attached to the substrate by the thermosetting binder, after applying heat and pressure, removing the elastic or formable sheet from the wood veneer layer. Also, a pressing device for embossing a wooden surface and a method of embossing a wooden surface.

Abstract: A set of rectangular building panels have a frontside and a backside and a mechanical locking device at opposite first and second edge portion configured for plane locking of similar panels in an assembled position by means of displacement of a plane with a second edge portion of a second panel in an engagement direction towards a first edge portion of an adjacent first panel. The first edge portion includes a first locking element configured to cooperate for plane locking with a first locking groove at the second edge portion. The first edge portion has a first front edge portion adjacent the frontside of the first panel and a first sub edge portion between the first front edge portion and a flexible tongue in an insertion groove, the insertion groove being arranged between the backside of the first panel and the first sub edge portion.

Abstract: Floor panels are shown, which are provided with a mechanical locking system on long and short edges allowing installation with vertical snap folding that could be accomplished automatically without tools and where the short edge locking system has a tongue made in one piece with the panel. The floor panels may have a first and a second connector at the long edges that are configured to obtain a minimum of friction facilitating a displacement, by a spring back force from the bending of a short edge locking strip, of a new panel in a horizontal direction along the long edge during the vertical snap folding action.

Abstract: A method to produce a panel. The method includes providing a core having a first surface, providing a surface layer including a substantially uncured amino resin, applying an hydrolysable adhesive on the first surface of the core and/or on a surface of the surface layer adapted to face the core, arranging the surface layer on the first surface of the core, pressing the surface layer to the core to form a panel by applying heat and pressure in a press, thereby adhering the surface layer to the core by the hydrolysable adhesive and curing the amino resin of the surface layer. Also such a panel.

Abstract: A set of building panels, each building panel has a decorative surface and a mechanical locking device for horizontal and vertical locking of similar or essentially identical building panels in an assembled position. An upper edge portion of a side edge of a first building panel and an upper edge portion of a side edge of a second building panel are, in the assembled position, juxtaposed to form a joint seal. The mechanical locking device includes a locking surface at the upper edge portion of the side edge of the first building panel configured to cooperate with a locking surface at the upper edge portion of the side edge of the second building panel. The two locking surfaces are configured to lock the side edge of the first building panel and the side edge of the second building panel in a direction parallel to the extension of the decorative surface.

Abstract: A method to produce a veneer element, including defects and dense portions. The method includes providing a substrate, providing a sub-layer, including a binder and colored filler particles, applying the sub-layer on a first surface of the substrate, applying a veneer layer on the sub-layer, and applying pressure, preferably heat and pressure, to the veneer layer and/or the substrate, thereby forming a veneer element wherein, after pressing, the sub-layer is visible through a defect of the veneer element such as crack, cavity, hole and/or knot of the veneer layer. Also, a veneer element.