Patent ID: 7758713

Claim:
A process for waterproofing a semimanufactured product including footwear, clothing items and accessories, having a three-dimensional conformation with at least one inner surface and one outer surface, the process comprising the following operative steps: cutting at least one piece of semi-permeable membrane, which is part of a waterproofing sheath, to a size of the inner surface of the semimanufactured product; folding the piece of semi-permeable membrane; superimposing two edges of the piece of the folded semi-permeable membrane; welding the edges of the piece of the folded semi-permeable membrane to form at least one strip and to give the waterproofing sheath a three-dimensional conformation; arranging at least one layer of glue between surfaces to be waterproofed and the waterproofing sheath; arranging the semimanufactured product onto a shaped support with the waterproofing sheath shaped for entirely or partially covering the surfaces to be waterproofed of the semimanufactured product; and pressing between two deformable plates the semimanufactured product provided with the waterproofing sheath and arranged on the shaped support.