PRODUCTION OF HEATED WINDOWS

An electrically heated laminated window (1) is disclosed in which an array (2) of heating wires (3) is embedded in an interlayer material (23) extending between inner and outer panes (22, 21) and connected to a voltage supply by bus bars (6, 7, 8, 9) in the form of tinned copper strips. At least one...

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Bibliographische Detailangaben
Hauptverfasser:	CASTLE, DEREK, CHARLES, CHAMBERLAIN, MARK, ANDREW, SNEE, ROGER, KEITH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SOLDERING OR UNSOLDERING SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING VEHICLES IN GENERAL WELDING WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An electrically heated laminated window (1) is disclosed in which an array (2) of heating wires (3) is embedded in an interlayer material (23) extending between inner and outer panes (22, 21) and connected to a voltage supply by bus bars (6, 7, 8, 9) in the form of tinned copper strips. At least one face of a bus bar in contact with the heating wires is coated with a low melting solder and that bus bar face is also coated with a halogen-free flux prior to application of the solder. The use of a halogen-free flux avoids corrosion of the heating wires in the vicinity of the heating wire/bus bar joint, thereby reducing the likelihood of inoperative heating wires and increasing the durability of the heating circuit. Such heated windows are used especially in vehicles.