Heat and pressure generated design
First Claim
Patent Images
1. A building panel comprising a decorative surface layer arranged on a core whereinthe surface layer comprises a lower part and an upper part disposed above the lower part with a binder concentration gradient between the lower part and the upper part;
- the lower part of the surface layer comprises a first mix comprising fibres, coloring substance, a binder, and wear resistance particles; and
the upper part of the surface layer comprises a second mix comprising the fibres, the coloring substance, the binder, and the wear resistance particles;
wherein the first mix possesses a first homogenous binder concentration, andwherein the second mix possesses a second homogenous binder concentration not equal to the first homogenous binder concentration.
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Abstract
A wood fiber based panel with surfaces layer with lower parts which has less binders than the upper parts. Also, a method of manufacturing a building panel having a structured surface with a design that has color variation in register with the structure obtained by a varying pressure distribution applied on the surface.
228 Citations
19 Claims
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1. A building panel comprising a decorative surface layer arranged on a core wherein
the surface layer comprises a lower part and an upper part disposed above the lower part with a binder concentration gradient between the lower part and the upper part; -
the lower part of the surface layer comprises a first mix comprising fibres, coloring substance, a binder, and wear resistance particles; and the upper part of the surface layer comprises a second mix comprising the fibres, the coloring substance, the binder, and the wear resistance particles; wherein the first mix possesses a first homogenous binder concentration, and wherein the second mix possesses a second homogenous binder concentration not equal to the first homogenous binder concentration. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10, 11, 12)
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7. A building panel produced according to a method of manufacturing a building panel having an evenly colored surface whereby the method comprises the steps of:
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applying a layer comprising a mix of fibres, binder, wear resistant particles, and a coloring substance, on a carrier wherein the mix is floatable under heat and pressure; and applying heat and pressure on the mix, wherein the mass ratio between the binder and fibres is less than about 90%, wherein the layer comprises an upper part comprising a first mix of the fibres, the binder, the wear resistant particles, and the coloring substance, and the layer comprises a lower part comprising a second mix of the fibres, the binder, the wear resistant particles, and the coloring substance, the upper part being disposed above the lower part, wherein the first mix possesses a first homogenous binder concentration, and wherein the second mix possesses a second homogenous binder concentration not equal to the first homogenous binder concentration. - View Dependent Claims (13)
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- 14. A building panel comprising a decorative surface layer arranged on a core wherein the surface layer comprises two mixes, a first mix comprising fibres, coloring substance, a binder and wear resistant particles, and a second mix comprising fibres, coloring substance, a binder and wear resistant particles, wherein the first mix is applied on the second mix causing the first mix to be disposed above the second mix in the surface layer, and wherein a homogenous binder concentration of the first mix is different than a homogenous binder concentration of the second mix.
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17. A building panel comprising a decorative surface layer connected to a core wherein the surface layer is a mix comprising fibres, coloring substance, a binder and wear resistant particles, and
wherein the surface layer comprises a lower part and an upper part disposed above the lower part with a binder concentration gradient between the lower part and the upper part; -
the lower part of the surface layer comprising a first mix having a first homogenous binder concentration; and the upper part of the surface layer comprising a second mix having a second homogenous binder concentration not equal to the first homogenous binder concentration. - View Dependent Claims (18, 19)
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Specification