Process of coating to make leather substitute and resulting article

Claim 1

A LEATHER SUBSTITUTE COMPRISING A SHEET SHAPED BASE SELECTED FROM THE GROUP CONSISTING OF WOVEN FABRICS, UNWOVEN FABRICS, KNITTED FABRICS AND PAPER, AN INTERMEDIATE LAYER 0.05 TO 10 MM. THICK, BONDED TO SAID BASE, OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, POLYVINLY CHLORIDE, POLYPROPYLENE, POLYETHYLENE, POLYURETHANES, BUTADIENE-ACRYLONITRILE COPOLYMERS, BUTADIENE-STYRENE COPOLYMES, URETHANE RUBBER AND NATURAL RUBBER, SAID INTER MEDIATE LAYER BEING INFLATED WITH PORES OF 1.2-4.0 TIMES THE ORIGINAL VOLUME AND REQUIRING A COMPRESSION LOAD OF 100-800 G./CM.2 TO HAVE ITS THICKNESS REDUCED BY 25%, A SURFACE LAYER BONDED OVER SAID INTERMEDIATE LAYER NOT MORE THAN 0.3 MM. THICK OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SOLVENT SOLUBLE COPOLYMERIZED POLYAMIDES, N-ALKOXY METHYLATED POLYAMIDES, LINEAR POLYURETHANES, POLYESTERS, POLYVINYL CHLORIDE AND LOW PRESSURE POLYETHYLENE, SAID SURFACE LAYER HAVING A TENSILE RECOVERY FOR 20% ELONGATION OF LESS THAN 92% AND A YOUNG''S COEFFICIENT OF 3-30 KG./MM.2, SAID SURFACE LAYER HAVING A CREASE PATTERN ON ITS OUTER SURFACE DUE TO PERMANENT STRAIN PRODUCED BY CRUMPLING THE SHEET SHAPED BASE WITH THE INTERMEDIATE AND SURFACE LAYERS BONDED THERETO WITH THE SURFACE LAYER FOLDED INSIDE, THE ELONGATION CAPACITY OF SAID SHEET SHAPED BASE BEING SUCH AS TO PROVIDE THE REQUIRED COMPRESSION DISTORTIONS TO PRODUCE SAID PERMANENT STRAIN IN THE SURFACE LAYER DURING SAID CRUMPLING.