PROCESS FOR ADHESIVE BONDING THE SOLE TO THE CUT PART IN THE SHOE MAKING INDUSTRY, AND LEATHER MATERIALS

摘要

Process for adhesive bonding the sole to the cut part of a shoe, and Morocco-leather materials, characterized by application to one of the two surfaces to be joined of a solid adhesive which is heat activated, and immediately after the two surfaces are joined and subjected to pressure during a time preferably not lower than 30 seconds. The solid adhesives are preferably applied as a continuous or perforated sheet having a thickness varying between 30 and 150 mu m. Said products are of the thermoplastic type and are basically comprised of polymers of the polyurethane, polyamide and/or polyester type.