Integral, board-like component and process for its production

Details Integral, board-like component and process for its production Integral, board-like component and process for its production

A - Human Necessities

47

B

A47B 77/00 (2006.01) A47B 77/02 (2006.01) A47B 96/18 (2006.01) B29C 39/00 (2006.01) B29C 67/24 (2006.01) B29C 70/60 (2006.01) B29C 70/64 (2006.01) B32B 27/20 (2006.01) B32B 37/00 (2006.01) B29C 41/00 (2006.01)

Patent

CA 2231200

With an integral, board-like component, in particular for use as a kitchen working surface, comprising a visible side and a rear side, wherein the visible side comprises a layer consisting of a polymer matrix filled with a first, inorganic filler, its specific density being greater than the specific density of the polymer matrix, it is suggested for the production of the boards in a simple manner and with a good planarity that the filler content of the first filler in the visible side layer be 50 to 90 % by volume, that the rear side comprise a layer which is formed from a polymer matrix filled with a second inorganic filler, wherein the proportion of the polymer matrix in this layer in % by volume differs quantitatively by 20 % at the most from the volume content of the polymer matrix in the visible side layer and wherein the specific density of the second filler is <= 0.6 g/cm3.

L'invention concerne un élément intégralement plat destiné notamment à une utilisation comme plan de travail de cuisine. Cet élément est doté d'une face avant et d'une face arrière. La face avant comporte une couche faite d'une matrice de plastique remplie d'un premier matériau inorganique, dont la masse volumique est supérieure à celle de la matrice plastique. Pour simplifier la fabrication des plaques tout en assurant une bonne planéarité, l'invention propose que le premier matériau de remplissage représente 50 à 90 % en volume de la face avant et que la face arrière comprenne une couche constituée d'une matrice plastique remplie d'un matériau inorganique. La proportion de la matrice plastique de cette couche diffère, exprimé en % en volume, de 20 % maximum de la proportion en volume de la matrice plastique de la couche de la face avant et la masse volumique du second matériau de remplissage est </= 0,6 g/cm<3>.

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