Patent ID: 6713167
Filing Date: 2004-03-30
Classification: B32B,B60R,G10K,Y10T

Abstract:
A multilayer product which comprises a first element consisting of a layer of spongy, semi-rigid polymer (A), impregnated on one or both sides with polyurethane resin (B), and inserted between two layers of glass fibre, natural fibre or a combination of glass fibre and natural fibre (C) coupled with the central layer (B) (A) (B), wherein said first element is coupled with at least a second element comprising a layer of spongy, semi-rigid polymer (A), wherein said second element is impregnated on one or both sides with polyurethane resin (B), and wherein said second element is coupled with an additional layer of glass fibre, natural fibre or a combination of glass fibre and natural fibre (C).