Lamella core and a method for producing it
AssigneeVälinge Innovation AB
InventorsMarcus Bergelin, Darko Pervan, Hans Brännström, Agne Pålsson
Life of this patent
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Abstract
The disclosure relates to a semi product for building panels or structural elements comprising several wood lamellas (5) fixed by distance elements (4), a building panel with such a semi product and a method of producing the semi product and the building panel.
Claims38
Building panel comprising a wood lamella core, a decorative surface layer on top of the core and balancing layer under the core, the core comprises several wood lamellas, which are arranged essentially parallel to each other and with long edge to long edge, and a long edge of a first wood lamella is arranged with a distance to a long edge of an adjacent second wood lamella,
- wherein the long edge of the first wood lamella is fixed by a distance element to the long edge of the adjacent second wood lamella and at a first edge of the building panel,
- wherein a first mechanical locking device is formed at the first edge of the building panel and at least partly in the distance element.
A semi-product for a structural element or for a core for a building panel, the semi product comprising several wood lamellas, which are arranged essentially parallel to each other and with long edge to long edge, a long edge of a first wood lamella is arranged with a distance to a long edge of an adjacent second wood lamella, and the long edge of the first wood lamella is fixed by a distance element to the long edge of the adjacent second wood lamella.
Method of producing a semi-product for a structural element or for a core for a building panel, wherein the method comprises the step of:
- attaching at least two distance strips by an adhesive to a first wood board;
- attaching a second wood board to the distance strips by an adhesive;
- and
- cutting the first and the second wood boards and the distance strips in the length direction of the wood boards.
A structural element comprising a web of wood, the web comprising a first layer comprising wood lamellas and a second layer comprising wood lamellas,
- wherein the first layer is arranged such that the length direction of at least some of the wood lamellas is oriented essentially perpendicular to the length direction of at least some of the wood lamellas in the second layer.
Dependencies are inferred from the claim text.