Resin-based panels having thin or brittle veneer layers and methods of making same

US 7,504,159 B1
Filed: 11/02/2006
Issued: 03/17/2009
Est. Priority Date: 11/04/2005
Status: Expired due to Fees

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1. A method of manufacturing a post-formable decorative resin panel having a unitary sheet of a thin or brittle veneer layer, such that the decorative resin panel is translucent, and such that the veneer layer is not cracked, crushed, or otherwise damaged during the laminating or the thermoforming process, the method comprising:

positioning one or more substantially translucent first resin layers on a surface;

positioning a unitary, translucent veneer layer of naturally-occurring material about the one or more substantially translucent first resin layers;

positioning one or more substantially translucent second resin layers about the at least partially translucent veneer layer, such that at least the one or more first resin layers, the one or more second resin layers, and the at least partially translucent veneer layer form a laminate assembly with opposing viewable outer surfaces defined by the one or more first and second layers; and

fusing the laminate assembly at a low pressure, such that the one or more first and one or more second resin layers forming the viewable surfaces melt and adhere to the veneer layer in a manner that the veneer layer material and the first and second resin layers are bendable after fusing, and the resulting combination is at least partially translucent.

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Abstract

Implementations of the present invention relate to systems, methods, and apparatus for manufacturing aesthetically pleasing, post-formable, reparable decorative architectural resin panels having a thin or brittle veneer layer such as thinly sliced natural wood or stone. In particular, at least one implementation includes a flat or curved decorative resin panel made with a natural wood veneer layer whose structural integrity has been maintained despite being subject to various heats and pressures. The resulting resin panel is at least partially translucent, and allows for a unique display both of the resin sheets used to form the panel and of the thin wood materials encapsulated therein. Additional implementations relate to the use of other brittle veneer layers, such as translucent stone, translucent metals, or the like, which also provide unique, decorative architectural, aesthetic features.

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23 Claims

1. A method of manufacturing a post-formable decorative resin panel having a unitary sheet of a thin or brittle veneer layer, such that the decorative resin panel is translucent, and such that the veneer layer is not cracked, crushed, or otherwise damaged during the laminating or the thermoforming process, the method comprising:
- positioning one or more substantially translucent first resin layers on a surface;
  
  positioning a unitary, translucent veneer layer of naturally-occurring material about the one or more substantially translucent first resin layers;
  
  positioning one or more substantially translucent second resin layers about the at least partially translucent veneer layer, such that at least the one or more first resin layers, the one or more second resin layers, and the at least partially translucent veneer layer form a laminate assembly with opposing viewable outer surfaces defined by the one or more first and second layers; and
  
  fusing the laminate assembly at a low pressure, such that the one or more first and one or more second resin layers forming the viewable surfaces melt and adhere to the veneer layer in a manner that the veneer layer material and the first and second resin layers are bendable after fusing, and the resulting combination is at least partially translucent.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
- - 2. The method as recited in claim 1, further comprising laminating the at least partially translucent veneer layer with a thin resin layer on opposing sides prior to positioning the at least partially translucent veneer layer about the one or more substantially translucent first resin layers.
  - 3. The method as recited in claim 1, wherein thermoforming the laminate assembly comprises:
    - positioning the laminate assembly into a vacuum bag;
      
      applying pressure by evacuating air from a vacuum bag;
      
      placing the vacuum bag in one of an oven or autoclave; and
      
      raising the temperature of the laminate assembly in the one of the oven or autoclave, such that the laminate assembly becomes a pliable resin panel.
  - 4. The method as recited in claim 3, wherein the pressure in the vacuum bag is brought to a pressure of from about −
    - 10 to about −
      
      20 psi.
  - 5. The method as recited in claim 1, wherein the temperature of the laminate assembly is brought to between about 180°
    - F. to about 230°
      
      F.
  - 6. The method as recited in claim 5, further comprising positioning the pliable resin panel onto a shaping apparatus or mold.
  - 7. The method as recited in claim 5, further comprising bending the pliable resin panel into one or more shapes.
  - 8. The method as recited in claim 7, wherein bending the pliable resin panel comprises:
    - placing the shaping apparatus and the pliable resin panel into a vacuum press; and
      
      applying pressure inside the vacuum press, such that the pliable resin panel solidifies in the curved shape corresponding to the shaping apparatus.
  - 9. A post-formable translucent decorative resin-based panel encapsulating one or more natural veneer layers made using the method as recited in claim 1.
  - 10. The translucent decorative resin panel as recited in claim 9, wherein the panel comprises:
    - one of the one or more substantially translucent first resin layers formed into a curved shape;
      
      one of the one or more substantially translucent second resin layers that correspond with the curved shape of the first resin layer; and
      
      the at least partially translucent natural veneer layer positioned between the first and second resin layers, such that the natural veneer layer takes the curved shape of the first and second resin layers without material defect;
      
      wherein the first resin layer, the second resin layer, and the natural veneer layer are at least partially translucent in combination, and wherein the combination is at least partially malleable after the laminating or thermoforming process.
  - 11. The translucent decorative resin panel as recited in claim 10, wherein the natural veneer layer comprises a unitary sheet of thinly sliced natural stone, or metal.
  - 12. The translucent decorative resin panel as recited in claim 10, wherein the natural veneer layer comprises a unitary sheet of thinly sliced, natural wood.
  - 13. The translucent decorative resin panel as recited in claim 12, wherein the shape of the translucent first and second resin layers is non-planar.
  - 14. The translucent decorative resin panel as recited in claim 12, wherein the thinly sliced, natural wood is selected from one of walnut, maple, or zebrawood.
  - 15. The translucent decorative resin panel as recited in claim 10, wherein the natural veneer layer is about one thirty-second of an inch in thickness, such that the natural veneer layer is at least partially translucent.
  - 16. The translucent decorative resin panel as recited in claim 10, further comprising a translucent reinforcement layer positioned between the one of the one or more first and the one of the one or more second resin layers.
  - 17. A laminate assembly for creating the translucent decorative resin-based panel using the method as recited in claim 1.
  - 18. The laminate assembly as recited in claim 17, comprising:
    - one of the one or more substantially translucent first resin layers;
      
      one of the one or more substantially translucent second resin layers;
      
      the at least partially translucent veneer layer positioned between the first and second resin layers, such that the at least partially translucent veneer layer conforms to the curved shape of the translucent first and second resin layers; and
      
      at least one of one or more texture layers, one or more adhesive layers, and one or more matting layers, which are interposed about the first resin layer, the second resin layer and/or the at least partially translucent natural veneer layer.
  - 19. The laminate assembly as recited in claim 18, further comprising a vacuum bag positioned about the laminate assembly, the vacuum bag configured to enable subjection of the laminate assembly to a negative pressure.
  - 20. The laminate assembly as recited in claim 18, further comprising a mold positioned about the laminate assembly to thereby impart curvature of the curved shape after heating of the laminate assembly.
  - 21. The laminate assembly as recited in claim 1, further comprising selecting the translucent veneer layer material in terms of thickness and material for a desired light transmittance, wherein the resulting combination is at least partially translucent according to the desired light transmittance.
  - 22. The laminate assembly as recited in claim 1, further wherein and the desired light transmittance is 3.32%.
  - 23. The laminate assembly as recited in claim 1, wherein the veneer layer material is symmetrical with the first and second translucent resin layers, such that the veneer layer material substantially spans the height and width of the first and second resin layers.

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Litigation Data

Current Assignee
3Form (Hunter Douglas N.V.)
Original Assignee
3Form (Hunter Douglas N.V.)
Inventors
Goodson, R. Talley, Goodson, Raymond L., Rea, Kirby V., Suare, Ruben
Primary Examiner(s)
KILIMAN, LESZEK B

Application Number

US11/556,110
Time in Patent Office

866 Days
Field of Search

428/532, 428/533, 428/535, 428/537.1, 427/213.31, 427/325, 427/407.1, 427/408
US Class Current

428/532
CPC Class Codes

B27D 1/00   Joining wood veneer with an...

B32B 21/14   comprising wood board or ve...

B32B 27/10   of paper or cardboard

B44C 5/043   containing wooden elements

Y10T 156/1028   by bending, drawing or stre...

Y10T 156/1044   of parallel stacked sheets ...

Y10T 156/1093   with covering of discrete l...

Y10T 428/24628   Nonplanar uniform thickness...

Y10T 428/269   including synthetic resin o...

Y10T 428/31504   Composite [nonstructural la...

Y10T 428/31971   Of carbohydrate

Y10T 428/31975   Of cellulosic next to anoth...

Y10T 428/31982   Wood or paper

Y10T 428/31989   Of wood

Resin-based panels having thin or brittle veneer layers and methods of making same

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23 Claims

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Resin-based panels having thin or brittle veneer layers and methods of making same

First Claim

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Abstract

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23 Claims

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