Double glazed window glass structure
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United States of America Patent
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Apr 8, 2014
Grant Date -
Mar 13, 2014
app pub date -
Jul 30, 2013
filing date -
Sep 12, 2012
priority date (Note) -
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Abstract
A double glazed window glass structure includes a frame defining an outer perimeter of the window glass structure, and first and second sheet glasses mounted on respective sides of the frame to define a heat insulation space therebetween. The frame includes an outer frame portion and an inner frame portion extending from an inner surface of the outer frame portion toward an inside of the frame. The inner frame portion has first and second sheet glass receiving surfaces bonded to the first and second sheet glasses, respectively. The inner frame portion is provided with a groove having an opening that opens in the second sheet glass receiving surface, the groove containing a drying agent therein, and a communication passage allowing only a fluid to flow between the groove and the heat insulation space. The opening of the groove is closed by the second sheet glass.
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