C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/7
C03B 23/025 (2006.01) C03B 23/027 (2006.01)
Patent
CA 1126959
Abstract Apparatus for bending one or more glass sheets to a sharp bend by a combination of overall heating and localized heating using an outline glass sheet bending mold comprising one or more electroconduc- tive heating elements in the form of a ribbon. Means is provided to tension the ribbon so that it does not wrinkle when the ribbon expands thermally due to the application of electrical energy thereacross. The ribbon is tensioned by one or more electrodes. Means is provided to maintain the electrodes attached to the mold in case the ribbon breaks.
328891
Gowling Lafleur Henderson Llp
Ppg Industries Inc.
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