LEAD-CONTAINING FLAT GLASS PRODUCED BY A METAL BATH FLOAT GLASS PROCESS

The glass, rich in lead oxide, is made by continuous floating on a bath (4) of a molten metal such as tin in an installation operating with a neutral gas atmosphere that contains less than 5 vpm (volumes per million) of oxygen, and is basically of nitrogen. The temperature of the molten metal bath i...

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Bibliographische Detailangaben
Hauptverfasser:	FERNANDEZ, SUAREZ JUAN-LUIS, RODRIGUEZ, CUARTAS RAMON, BOUIGEON, CHRISTIAN
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES 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:	The glass, rich in lead oxide, is made by continuous floating on a bath (4) of a molten metal such as tin in an installation operating with a neutral gas atmosphere that contains less than 5 vpm (volumes per million) of oxygen, and is basically of nitrogen. The temperature of the molten metal bath is lower than that used for floating lead-free silica- alkali-lime glass, with the glass being at a temperature of between 500 and 800[deg]C. The bath has an associated molten metal treatment station, and before the floating installation the glass is melted in an oven containing at least one immersed burner.