METHOD FOR PRODUCING A VIG UNIT HAVING IMPROVED TEMPERATURE PROFILE

A method of producing a vacuum insulated glazing (VIG) unit comprising providing substantially parallel glass panes, a plurality of pillars, and a peripheral seal between the glass panes, providing an evacuation hole in a first glass pane for evacuating a void to a reduced pressure, covering the eva...

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Bibliographische Detailangaben
Hauptverfasser:	SØNDERKÆR, Peter, MIKKELSEN, SEJER, Thomas
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 method of producing a vacuum insulated glazing (VIG) unit comprising providing substantially parallel glass panes, a plurality of pillars, and a peripheral seal between the glass panes, providing an evacuation hole in a first glass pane for evacuating a void to a reduced pressure, covering the evacuation hole with an evacuation head comprising a heating element, the evacuation head having substantially hermetic contact to the first glass pane; arranging the glass panes, the plurality of pillars, the peripheral seal, and the evacuation head in an oven; heating the oven according to a predetermined profile of oven temperatures T1 and compensating for a difference in temperature between the temperatures T1 and a temperature T2 under the evacuation head by activating the heating element to increase the temperature T2 to equal the temperature T1; evacuating the void through the evacuation head after completion of the heating; and sealing the evacuation hole.