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Triple-glazed insulating unit with improved edge insulation

United States Patent

9,359,808
June 7, 2016
View the Complete Patent at the US Patent & Trademark Office
An insulating unit includes a first spacer frame between first and second sheets, e.g. glass sheets, and a second spacer frame between the second sheet and a third sheet. A first surface of the first spacer frame is adhered to inner surface of the first sheet, and an opposite second surface of the first spacer frame is adhered to a first surface of the second sheet, by a moisture impervious adhesive layer. A first outer surface of the second spacer frame is adhered to a second surface of the second sheet, and an opposite second outer surface of the second spacer frame is adhered to an inner surface of the third sheet, by the adhesive layer. The first spacer frame and the second spacer frame have an offset of greater than zero.
Goodwin; George B. (Cranberry Township, PA), Buchanan; Michael J. (Cranberry Township, PA)
PPG Industries Ohio, Inc. (Cleveland, OH)
13/ 623,915
20140087098
September 21, 2012
NOTICE OF GOVERNMENT SUPPORT This invention was made with Government support under Cooperative Agreement No. DE-EE-0000167 awarded by the Department of Energy. The United States government may have certain rights in this invention.