Patent ID: 6306470
Filing Date: 2001-10-23
Classification: B29C,B44C,B44F,Y10T

Abstract:
A composite product which incorporates a lithophane pictorial work, said product comprising:a) a generally closed container having a pair of generally parallel, closely spaced apart walls, a front one of said walls being transparent and having a contoured forming surface on its inward face, said forming surface being a reverse image of a contoured recessed picture-providing front surface of a desired lithophane pictorial work, the rear of said walls being transparent or translucent to allow light to pass through, andb) a body of flowable translucent material substantially filling said container so that the material generally assumes the shape of the interior of the container and forms a thin translucent panel having a contoured recessed picture-providing front surface at the interface with said forming surface,whereby a lithophane picture is viewable through of said transparent front wall when light is passed through said container from the rear.