发明名称 |
Method for flame abrasion of glass preform |
摘要 |
The present invention relates to a process wherein a large glass preform is flame abraded to have a clear and smooth surface. In particular, the present invention pertains to a method for flame abrading a surface of a rotating glass preform by an oxyhydrogen flame which moves along a length of the glass preform, in which a movement velocity of the oxyhydrogen flame or a flow rate of oxyhydrogen of the oxyhydrogen flame is varied to conduct the flame abrasion treatment.
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申请公布号 |
US5674305(A) |
申请公布日期 |
1997.10.07 |
申请号 |
US19950498425 |
申请日期 |
1995.07.05 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
OHGA, YUICHI;UCHIDA, SUSUMU |
分类号 |
C03B29/02;C03B37/014;C03B37/07;G02B6/00;(IPC1-7):C03B37/027 |
主分类号 |
C03B29/02 |
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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