Panel
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United States of America Patent
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-
Oct 4, 2011
Grant Date -
Nov 6, 2008
app pub date -
Mar 14, 2008
filing date -
May 1, 2007
priority date (Note) -
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Abstract
An insulating panel includes a first sheet, a second sheet, and a body of insulating foam between the sheets. The foam has a plurality of longitudinally extending conduits through which a heat exchange medium such as air is circulated. A barrier is used to create an enlarged void space for air circulation. The barrier is located below profile crowns to prevent foam from entering the crowns and to create additional foam-free voids below the crown. Heat transfer efficiency is increased.
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