Building panel and a method to produce such a building panel

Patent metadata

Field	Value
Publication number	US-12370783-B2
Application number	US-202017768047-A
Country	US
Kind code	B2
Filing date	Oct 16, 2020
Priority date	Oct 18, 2019
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

A building panel including a balancing layer, the balancing layer including a first wood veneer having a grain direction, a first sub-layer is arranged on a top surface of the balancing layer, the first sub-layer including a first binder, a core arranged on the first sub-layer, a surface layer arranged on the core, the surface layer, wherein a top surface of the surface layer is adapted to be a visible surface of the building panel when installed, wherein an extension of the balancing layer in a direction parallel to the grain direction of the first wood veneer is equal or less than an extension of the core in the direction parallel to the grain direction of the first wood veneer, and wherein the balancing layer is arranged within the extension of the core in the direction parallel to the grain direction of the first wood veneer.

First claim

The invention claimed is:

1. A building panel, comprising:
a balancing layer having a top surface and a bottom surface, the balancing layer comprising a first wood veneer having a grain direction,
a first sub-layer is arranged on the top surface of the balancing layer, the first sub-layer comprising a first binder,
a core arranged on the first sub-layer,
a surface layer arranged on the core, the surface layer having a top surface and a bottom surface, wherein the top surface of the surface layer is adapted to be a visible surface of the building panel when installed,
wherein an extension of the balancing layer in a direction parallel to the grain direction of the first wood veneer is less than an extension of the first sub-layer in the direction parallel to the grain direction of the first wood veneer, and
wherein the balancing layer is arranged within the extension of the first sub-layer in the direction parallel to the grain direction of the first wood veneer.

2. The building panel according to claim 1 , wherein an extension of the balancing layer in a direction transverse to the grain direction of the first wood veneer is equal or less than an extension of the first sub-layer in the direction transverse to the grain direction of the first wood veneer, and
wherein the balancing layer is arranged within the extension of the first sub-layer in the direction transverse to the grain direction of the first wood veneer.

3. The building panel according to claim 1 , wherein the core, in the direction parallel to the grain direction of the first wood veneer, extends beyond an edge of the balancing layer with a distance of 1 mm or more.

4. The building panel according to claim 1 , wherein the core, in the direction transverse to the grain direction of the first wood veneer, extends beyond an edge of the balancing layer with a distance of 1 mm or more.

5. The building panel according to claim 1 , wherein the core is a wood-based core.

6. The building panel according to claim 1 , wherein the surface layer comprising a second wood veneer.

7. The building panel according to claim 6 , wherein an extension of the surface layer in a direction parallel to a grain direction of the second wood veneer is equal or less than an extension of the balancing layer in the direction parallel to the grain direction of the second wood veneer.

8. The building panel according to claim 6 , wherein an extension of the surface layer in a direction transverse to a grain direction of the second wood veneer is equal or less than an extension of the balancing layer in the direction parallel to the grain direction transverse of the second wood veneer.

9. The building panel according to claim 1 , wherein the first binder is a thermoplastic or a thermosetting binder.

10. The building panel according to claim 1 , wherein the first binder is an amino resin.

11. A building panel, comprising:
a balancing layer having a top surface and a bottom surface, the balancing layer comprising a first wood veneer having a grain direction,
a first sub-layer is arranged on the top surface of the balancing layer, the first sub-layer comprising a first binder,
a core arranged on the first sub-layer, wherein the core has a top surface and a bottom surface, wherein the bottom surface of the core is arranged on the first sub-layer,
a surface layer arranged on the core, the surface layer having a top surface and a bottom surface, wherein the top surface of the surface layer is adapted to be a visible surface of the building panel when installed,
wherein an extension of the balancing layer in a direction parallel to the grain direction of the first wood veneer is less than an extension of the bottom surface of the core in the direction parallel to the grain direction of the first wood veneer, and
wherein the balancing layer is arranged within the extension of the bottom surface of the core in the direction parallel to the grain direction of the first wood veneer,
wherein the balancing layer extends along the direction parallel to the grain direction of the first wood veneer from a first edge to a second edge, and wherein the first and second edges of the balancing layer are free of overlap with any edge of the core.

12. The building panel according to claim 11 , wherein an extension of the balancing layer in a direction transverse to the grain direction of the first wood veneer is equal or less than an extension of the core in the direction transverse to the grain direction of the first wood veneer, and
wherein the balancing layer is arranged within the extension of the bottom surface of the core in the direction transverse to the grain direction of the first wood veneer.

13. The building panel according to claim 11 , wherein the bottom surface of the core, in the direction parallel to the grain direction of the first wood veneer, extends beyond an edge of the balancing layer with a distance of 1 mm or more.

14. The building panel according to claim 11 , wherein the bottom surface of the core, in the direction transverse to the grain direction of the first wood veneer, extends beyond an edge of the balancing layer with a distance of 1 mm or more.

15. The building panel according to claim 11 , wherein the core is a wood-based core.

16. The building panel according to claim 11 , wherein the surface layer comprising a second wood veneer.

17. The building panel according to claim 16 , wherein an extension of the surface layer in a direction parallel to a grain direction of the second wood veneer is equal or less than an extension of the balancing layer in the direction parallel to the grain direction of the second wood veneer.

18. The building panel according to claim 16 , wherein an extension of the surface layer in a direction transverse to a grain direction of the second wood veneer is equal or less than an extension of the balancing layer in the direction parallel to the grain direction transverse of the second wood veneer.

19. The building panel according to claim 11 , wherein the first binder is a thermoplastic or a thermosetting binder.

20. The building panel according to claim 11 , wherein the first binder is an amino resin.

Assignees

• Vaelinge Innovation Ab
• Valinge Innovation Ab

Inventors

• Rittinge Rickard
• Nilsson Sofia

Classifications

• E04F15/107

  composed of several layers, e.g. sandwich panels (layered products in general B32B; producing decorative panels or veneers B44C5/04) · CPC title

• E04F15/041

  with a top layer of wood in combination with a lower layer of other material · CPC title

• E04F13/10

  of wood {or with an outer layer of wood (E04F13/0864 takes precedence)} · CPC title

• E04F13/0866

  composed of several layers, e.g. sandwich panels or layered panels (layered products as such in general B32B; producing decorative panels or veneers B44C5/04; E04F13/0864, E04F13/0875 take precedence) · CPC title

• B44C5/043

  containing wooden elements · CPC title