In a trim part for decorative purposes, especially in the interior, and in this case preferably for the interior trim of the passenger compartments of vehicles, a cover layer of natural stone is applied to the visible side of a base part. For this purpose, the negative shape of the base part is machined from a natural stone block and the two are combined permanently to form a sandwich. Then the surface is machined on the visible side, and finally clear lacquer is applied.
1. A decorative trim part having a three-dimensional surface contour, said trim part comprising:
a base part having a mounting surface with a three-dimensional surface contour;
a cover layer of natural stone material having a thickness that is on the order of magnitude of one millimeter, and having a three-dimensional outer surface contour that defines said three-dimensional surface contour of the trim part, said layer of natural stone material also having a machined three-dimensional mounting surface that conforms to the three-dimensional surface contour of the base part without bending of said natural stone material; and
an adhesive layer that bonds the mounting surface of the natural stone material to the mounting surface of the base part.
2. The decorative trim part according to claim 1 , wherein the cover layer of natural stone forms a trim strip.
3. The decorative trim part according to claim 1 , wherein the cover layer of natural stone has a thin light-permeable layer thickness.
4. The decorative part according to claim 3 , wherein in order to illuminate the decorative cover layer from the back, at least one of the base part and adhesive layer between the cover layer of natural stone and base part comprises a material that is completely or partially translucent or transparent.
5. The decorative part according to claim 1 , further comprising at least one layer of clear lacquer on a visible side of the cover layer.
6. The decorative part according to claim 5 , wherein the dear lacquer layer is viscoelastic.
7. The decorative trim part according to claim 1 , further comprising:
a first layer of insulating lacquer applied on a visible surface of the natural stone material; and
a second layer of polyester lacquer applied on said first layer of insulating lacquer.
8. The decorative trim part according to claim 7 , wherein said second layer is relatively thicker than said first layer.