Insulating glazing, in particular for refrigerated chamber door

E - Fixed Constructions – 06 – B

Patent

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Details

E06B 3/66 (2006.01) A47F 3/04 (2006.01) C03C 17/22 (2006.01) C03C 17/28 (2006.01) F25D 23/02 (2006.01)

Patent

CA 2609444

The invention concerns an insulating glazing wherein the gap between the substrates is filled with at least one rare gas such as argon, krypton or xenon, the inter-layer sheet (50) has a thermal conductivity less than 1 W/m.K, preferably less than 0.3 W/m.K, a low-emissive coating being deposited on at least part of one of the substrates, an anti-frost coating being deposited on part of at least the outer surface of one substrate, the glazing being free of heating element, the glazing having a thermal conductivity coefficient U less than 1.2 W/m.K with a gas filling of at least 85 %, and having a light transmission of at least 67 % and a light reflection less than 18 %.

Vitrage isolant dont l'espace entre les substrats est rempli d'au moins un gaz rare du type argon, krypton ou xénon, l'intercalaire (50) présente une conductivité thermique inférieure 1 W/m.K, de préférence inférieure à 0,3 W/m.K, un revêtement bas émissif étant déposé au moins en partie sur un des substrats, un 20 revêtement antigivre étant déposé sur une partie au moins de la face externe d'un substrat, le vitrage étant dépourvu d'élément chauffant, le vitrage présentant un coefficient de conductivité thermique U inférieur à 1,2 W/m2.K avec un remplissage de gaz d'au moins 85 %, et présentant une transmission lumineuse d'au moins 67 % et une réflexion lumineuse inférieure à 18 %.

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