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

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. PROCEDIMIENTO PARA EL PEGADO DEL PISO AL CORTE EN CALZADO, Y DE MATERIALES DE MARROQUINERIA CARACTERIZADO POR LA APLICACION SOBRE UNA DE LAS DOS SUPERFICIES A UNIR, DE UN ADHESIVO SOLIDO QUE SE ACTIVA MEDIANTE CALOR, INMEDIATAMENTE DESPUES SE UNEN LAS DOS SUPERFICIES Y SE SOMETEN A PRESION DURANTE UN TIEMPO PREFERIBLEMENTE ENTRE 5 Y 40 SEGUNDOS. LOS ADHESIVOS SOLIDOS PREFERIBLEMENTE SE APLICAN EN FORMA DE LAMINA CONTINUA O PERFORADA CON UN ESPESOR QUE OSCILA ENTRE 30 Y 150 UM. ESTOS PRODUCTOS TIENEN NATURALEZA TERMOPLASTICA Y SE COMPONEN BASICAMENTE DE POLIMEROS DEL TIPO POLIURETANO, POLIAMIDA Y/O POLIESTER.