Flexible, transparent pane for use as a window
AssigneeSaint-Gobain Vitrage
InventorsHans-Georg Brunion, Christian Hiemenz, Hans Heuser, Helmer Radisch
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Abstract
A multilayer plastic foil for use as a window. The foil includes a core and a pair of cover layers and includes features of flexibility, durability, scratch resistance, among others, for application of the window for a convertible top vehicle. The pane may include a heating capability.
Claims9
A flexible, transparent plastic pane for use as a window characterized in that said pane is a laminate including a core comprised of polycarbonate having a thickness of about 0.3 to about 0.8 mm and having both thrust and tear reistant properties, a pair of cover layers, at least one of said layers being colored, comprised of an elastic prefabricated polyurethane foil, containing a light stabilizer and a UV-absorber, having a self-healing property, each said cover layer having a thickness of abut 0.2 to about 0.5 mm, and an adhesive of thermoplastic polyurethane disposed between said core and each said cover layer.
A flexible, transparent plastic pane for use as a window characterized in that said pane is a laminate including a core comprised of polyurethane urea having high linear molecular structure and including aliphatically or cycloaliphalically bound urethane and urea segments, said core having a thickness of about 0.2 to 1.0 mm having both thrust and tear resistant properties, said core having a thickness of no more than 1 mm, and a pair of cover layers, at least one of said layers being colored, said cover layers being comprised of an elastic prefabricated polyurethane foil, containing a light stabilizer and UV-absorber, having a self-healing property, each said cover layer having a thickness of about 0.2 to about 0.5 mm, and an adhesive of thermoplastic polyurethane disposed between said core and each cover layer.
Dependencies are inferred from the claim text.