Method of making glass including surface treatment with...

C - Chemistry – Metallurgy – 03 – C

Patent

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Details

C03C 21/00 (2006.01) C03B 13/04 (2006.01) C03B 15/00 (2006.01) C03B 17/00 (2006.01) C03B 18/14 (2006.01) C03C 3/085 (2006.01) C03C 23/00 (2006.01)

Patent

CA 2658264

This invention relates to a method of making glass. In certain example embodiments, a major surface(s) of the glass is treated with aluminum chloride (e.g., AICI3) at or just prior to the annealing lehr. The aluminum chloride treatment at or just prior to the annealing lehr, in either a float or patterned line glass making process, is advantageous in that it allows the treatment to be performed at a desirable glass temperature and permits exhaust functions in or proximate the annealing lehr to remove byproducts of the treatment in an efficient manner.

La présente invention concerne un procédé de fabrication de verre. Dans certains modes de réalisation cités à titre d'exemple, on traite une ou plusieurs des surfaces principales du verre avec du chlorure d'aluminium (par exemple, AICI3) au niveau ou juste avant la galerie de recuisson. Le traitement au chlorure d'aluminium au niveau ou juste avant la galerie de recuisson, au cours d'un procédé "float" ou d'un procédé de fabrication de verre en ligne à motifs, est avantageux en ce sens qu'il permet de réaliser le traitement à une température de verre désirable et assure des fonctions d'échappement dans ou près de la galerie de recuisson pour supprimer de manière efficace les produits dérivés du traitement.

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