Patent ID: 6541098
Filing Date: 2003-04-01
Classification: B29C,B32B,C09J,Y10T

Abstract:
A three dimensional flexible film structure comprising:(A) a flexible polymer face film having a front surface and a back surface, (B) an adhesive layer having a front surface and a back surface wherein the front surface of the adhesive layer is in contact with and adhered to the back surface of the flexible polymer face film, and (C) a patterned layer of a non-adhesive material having a front surface and a back surface and containing one or more areas free of non-adhesive material wherein the front surface of the layer of non-adhesive material is in contact with and adhered to the back surface of the adhesive layer, and wherein the structure comprises at least one area having one or more, three-dimensional hollow protrusions extending outwardly from the front surface of the face film, and at least one area having one or more three-dimensional depressions extending inwardly from the back surface of the adhesive layer, said depressions corresponding to said one or more hollow protrusions on the front surface of the face film, and the area or areas in the non-adhesive layer which are free of non-adhesive material are within the three-dimensional depression or depressions in the back surface of the adhesive layer.