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1. WO2011056136 - FEUILLE COULÉE ET SON PROCÉDÉ DE FABRICATION

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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form matrices is made out of a rubber material.

8. Method according to any of the preceding claims wherein both form matrices are plastic foils.

9. Method according to any of the preceding claims wherein the casting substance is a cement-based substance.

10. Method according to any of the preceding claims wherein a surface retarder is added to at least one of the form matrices.

1 1. Method according to any of the preceding claims wherein at least a part of the pattern of the form matrices during application of pressure are displaced in relation to each other.

12. Method according to any of the preceding claims wherein the patterns of the form matrices are arranged such that the patterns of the first and the second form matrices are displaced in relation to each other.

13. Method according to any one of claims 1 to 10 wherein the patterns of the form matrices are arranged such that the patterns of the first and the second form matrices are aligned.

14. Method according to claim 12 wherein the pattern of the second form matrix (lb) is displaced in relation to the pattern of the first form matrix ( la) by rotation.

15. Method according to any one of the preceding claims wherein the casting substance (4) is placed on the first surface (2a) followed by placing the second form matrix on the casting substance with the second surface (2b) facing the casting substance.

16. Method according to any of the preceding claims wherein the method is performed at room temperature.

17. Method according to any of the preceding claims wherein the pressure is applied incrementally to one of the form matrices.

18. Method according to claim 17 wherein a weight or a roller is moved from one point on the form matrix to another.

19. Method according to any of the preceding claims wherein some or all cavities are filled with the casting substance after hardening.

20. A cast sheet comprising a casting substance with a first and a second surface separated with a thickness D wherein the first surface contains a plurality of cavities with a maximum depth D 1 wherein the cavities form a pattern and wherein the second surface contains a plurality of cavities with the maximum depth D2 wherein the cavities form a pattern and wherein D 1<D, D2<D and wherein

D 1+D2>D.

21. The cast sheet according to claim 19 wherein the sheet further comprises casting substance grains wherein the D l+D2+maximum grain size of the casting substance>D.

22. The sheet according to any one of claims 19 and 20 wherein the casting substance is a cement-based substance.

23. The sheet according to any one of claims 19 to 21 wherein the cast sheet is non planar.

24. The sheet according to any one of claims 19 to 22 wherein sheet further contains titanium-dioxide.

25. The sheet according to any one of claims 19 to 23 wherein the patterns of the two surfaces are at least partly displaced in relation to each other.

26. The use of the sheet according to any one of claims 19 to 24 as green walls, catalytic surfaces, sound absorbing walls, construction materials, walls, sun screens, windows, moulds, furniture, lamps and pottery.