PRODUCTION METHOD OF A LENTICULAR BODY FOR AUTOMOTIVE USE AND LIGHTED BADGE FOR MOTOR VEHICLES PROVIDED WITH SUCH LENTICULAR BODY

Production method of a lenticular body for automotive use, which is provided with a first face and a second face opposite to each other, has one or more blind recesses and/or engravings on said second face, and has a polymeric-material, monolithic multilayer structure, comprising: a substantially transparent front layer, which forms said first face; a substantially opaque rear layer, which forms said second face and is traversed by said one or more blind recesses and/or engravings; and a substantially transparent intermediate layer, which is interposed between said front layer and said rear layer; wherein said intermediate layer is made first in a substantially transparent, high-melting polymeric material and the front and rear layers are overmoulded directly over said intermediate layer.