发明名称 |
Optical fiber drawing furnace |
摘要 |
An optical fiber drawing furnace, comprising a furnace core tube where an optical fiber preform is inserted, fused with heat by a cylindrical heating element that is provided around the furnace core tube, and drawn to an optical fiber, wherein a protective tube is provided being contacted with an upper end edge of the furnace core tube.
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申请公布号 |
US2002144523(A1) |
申请公布日期 |
2002.10.10 |
申请号 |
US20010971563 |
申请日期 |
2001.10.09 |
申请人 |
THE FURUKAWA ELECTRIC CO., LTD. |
发明人 |
ORITA NOBUAKI;SAKATA YOSHIYUKI |
分类号 |
C03B37/029;(IPC1-7):C03B37/029 |
主分类号 |
C03B37/029 |
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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