发明名称 |
Process for the production of glass. |
摘要 |
<p>A process for the production of a glass by the vacuum melting method using silica as a raw material is disclosed, comprising filing a silica fine powder in a suitable vessel, heating it in the presence of an accelerator for phase conversion to obtain a porous formed body consisting of a cristobalite phase, and then heating and melting the formed body in vacuo. According to the present invention, a transparent and active glass having a high quality can be produced at an inexpensive cost.</p> |
申请公布号 |
EP0173961(A2) |
申请公布日期 |
1986.03.12 |
申请号 |
EP19850110852 |
申请日期 |
1985.08.28 |
申请人 |
JAPAN OXYGEN CO., LTD. |
发明人 |
SEKI, KOJI;MORISHITA, HIROSHI;OHNO, KIYOSHI;YOKOTA, HIROSHI |
分类号 |
C03B19/06;C03B19/09;C03B19/10;C03B20/00;C03C1/02;C03C3/06;(IPC1-7):C03C3/06;C03B5/00 |
主分类号 |
C03B19/06 |
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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