发明名称 |
FIRE BRICK FOR BOTTOM PORTION OF FLOAT BATH AND METHOD FOR PRODUCTION THEREOF |
摘要 |
<p>It is to provide a process for producing a float bath bottom refractory brick which can suppress a reaction with Na 2 O from glass at the surface of the refractory brick and thereby prevents flaking phenomena, as a refractory brick to be used for a float bath bottom for production of plate glass by float process. A process for producing a float bath bottom refractory brick using a clayey material comprising from 30 to 45 mass% of Al 2 O 3 and from 50 to 65 mass% of SiO 2 and having a Na 2 O content of at most 1 mass%, wherein a potassium compound is added so that the K 2 O content in the float bath bottom refractory brick to be produced would be from 2 to 4 mass%.</p> |
申请公布号 |
CA2586154(A1) |
申请公布日期 |
2006.05.18 |
申请号 |
CA20052586154 |
申请日期 |
2005.11.08 |
申请人 |
ASAHI GLASS CO., LTD. |
发明人 |
KABASHIMA, SHUJI;SAKAI, KOUZOU;YOKOTANI, MASAMICHI |
分类号 |
C03B18/16;C04B35/18 |
主分类号 |
C03B18/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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