F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/14
F28F 3/10 (2006.01) F28D 9/00 (2006.01) F28F 21/06 (2006.01)
Patent
CA 1276627
ABSTRACT A heat exchange device including a number of panels formed from a flexible frame forming a window and having parallel air paths through the frame, a thin flexible plastic film secured to one side of each frame to form a heat transfer surface across the window, the panels being stacked with each alternate panel turned 90° to form first and second air flow paths through the spaces between the plastic films, the frame being made of corrugated cardboard or fluted plastic.
600663
Baker Harold C.
Becker William
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