E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/28, 108/32
E06B 3/30 (2006.01) B32B 17/10 (2006.01) C03C 17/32 (2006.01) E06B 3/67 (2006.01) E06B 7/28 (2006.01)
Patent
CA 1153251
ABSTRACT OF THE DISCLOSURE A method of reducing heat transmission through a window in a heated building, in a direction from the interior of the building to the building surroundings, while simultaneously maintaining complete visibility through the window both in, as well as against said direction, characterized in that a plastics film is applied to a window pane, said film being substantially fully transparent for visible right light and which has substantially reduced transparency for a wavelength range corresponding to the heat radiation from the interior of the building. The film may comprise or consist of a polyethylene terephthalate film. Possibly a transparent polyvinyl fluoride film is also arranged in the window. Alternatively a compound film comprising a polyethylene terephthalate film and a polyvinyl fluoride film is applied to the pane. Preferably the polyethylene terephthalatefilm is applied nearer to the interior of the building than the polyvinyl fluoride film. A means for carrying the method into effect comprises a compound film consisting of a polyethylene-terephthalate film and a polyvinyl fluoride film, said compound film being made with dimensions corresponding to the dimensions of a window pane and arranged for attaching thereto.
322867
Ostensson Lars B.
Roy Ram B.
Westin Rolf B.
Fetherstonhaugh & Co.
Studsvik Energiteknik Ab
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