Patent ID: 6277228
Filing Date: 2001-08-21
Classification: B29C,B44C,B65C,F16B,Y10T

Abstract:
A method of forming a permanent identification indicia on a substrate that melts when heated to a predetermined temperature, comprising:providing a label having an adhesive on one side, wherein the label, including the adhesive, also melts when heated to the predetermined temperature;applying the label to the substrate with the adhesive side in contact with the substrate, wherein the adhesive is of the type that permanently adheres the label to the substrate;heating predetermined portions of the label, which portions define an outline of the indicia, to at least the predetermined temperature to melt the predetermined label portions;heating portions of the substrate, which portions corresponding to the predetermined label portions, to at least the predetermined temperature and debossing the substrate portions to a predetermined depth, leaving the indicia permanently on the substrate, wherein the debossed substrate portions are exposed through the label.