SINGLE GLASS FOR FIRE DOOR AND DOUBLE GLASS FOR FIRE DOOR

A single glass panel for a fire door and a double glazed glass panel for a fire door that have a fireproofness with which the glass sheet passes an international standard ISO 0834 flame insulating performance test and are as inexpensive as possible. For example, the single glass panel for a fire doo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YOKOTA TAKASHI, HISADA TAKASHI, SUZUKI KAZUYUKI, NISHIKAWA SACHIKO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LADDERS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	A single glass panel for a fire door and a double glazed glass panel for a fire door that have a fireproofness with which the glass sheet passes an international standard ISO 0834 flame insulating performance test and are as inexpensive as possible. For example, the single glass panel for a fire door is obtained by forming a heat reflecting coating with a low emissivity on at least one surface of a glass sheet that is a heat strengthened glass sheet or is more thermally strengthened than a heat strengthened glass sheet, and the double glazed glass panel for a fire door includes a first glass sheet (2B) obtained by forming a heat reflecting coating (4) with an emissivity of 0.07 or less on at least one surface of a glass sheet that is a heat strengthened glass sheet or is more thermally strengthened than a heat strengthened glass sheet and a second glass sheet (2C) that is a heat strengthened glass sheet or is a glass sheet more thermally strengthened than a heat strengthened glass sheet, the first glass sheet (2B) and the second glass sheet (2C) being arranged to face each other with a gap therebetween such that at least one layer of said heat reflecting coating (4) is placed between the two glass sheets (2B, 2C).