| 发明名称 |
Method for producing a glass panel for a cathode ray tube |
| 摘要 |
Air is blowed before an annealing step to corner portions in an inner face portion of a glass panel which has been press-formed in a mold to cool that portions to be stronger than the other portion whereby a temperature difference between the corner portions and the other portion is reduced.
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| 申请公布号 |
US5837026(A) |
申请公布日期 |
1998.11.17 |
| 申请号 |
US19970986871 |
申请日期 |
1997.12.08 |
| 申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
SUGAWARA, TSUNEHIKO;IKEZAWA, TOSHIKAZU;SHIMIZU, NAOYA;YAMASAKI, HIROSHI |
| 分类号 |
C03B23/217;C03B11/10;C03B11/12;C03B25/00;C03B27/04;C03B27/06;H01J5/02;H01J9/24;H01J29/86;(IPC1-7):C03B9/30 |
主分类号 |
C03B23/217 |
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代理人 |
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