Patent ID: 6713145
Filing Date: 2004-03-30
Classification: B32B,B60J,E05D,E05Y,F24S,Y02B,Y02E,Y02P,Y10T

Abstract:
A transparent, light-stable, movable composite system comprising:i) at least two rigid parts made of transparent, light-stable, thermoplastic materials from the group consisting of polycarbonate, polymethylene methacrylate, polyvinylbutyrate, polyamide, polybutylene terephthalate, polyethylene terephthalate, polyvinyl chloride, ethylenevinylacetate copolymer, mixtures and blends thereof which are joined together at one edge by ii) at least one flexible connecting member made of transparent, light-stable thermoplastic polyurethane having a 0 to 20% haze value at a thickness of 1 mm (according to ISO 14782), a Shore hardness within the range of from about 60 Shore A to about 70 Shore D (according to ISO 868) and a yellowness index of 0 to 25 at a thickness of 1 mm (according to ASTM E 313), the connecting member forming a reversible joint which can be folded by an angle of up to 180Â°.