Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michel Gaubil0
Yves Boussant-Roux0
Isabelle Cabodi0
Date of Patent
January 5, 2010
Patent Application Number
11662922
Date Filed
September 14, 2005
Patent Primary Examiner
Patent abstract
An AZS type fused cast refractory product presenting the following chemical composition, as a percentage by weight: ZrO2: 15.5% to 22%; SiO2: 10.5% to 15%; Na2O+K2O+Li2O: 1.0% to 2.5%; impurities: <1%. Application to glass furnaces, in particular to the superstructures and crowns thereof.
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