发明名称 |
Method of producing an optical fiber |
摘要 |
A method of and a device for a simultaneous extrusion of multi-component co-axial rods with very uniform, centered cores. A block of cladding material has core material co-axially contained in the geometric relationship desired for the ultimate product, and extrusion is by pressure opposite to the direction of material flow.
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申请公布号 |
US4063914(A) |
申请公布日期 |
1977.12.20 |
申请号 |
US19770769008 |
申请日期 |
1977.02.16 |
申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
ROEDER, ERWIN;STEINBECK, EDMUND |
分类号 |
B21C23/22;B29C47/06;B29C47/54;B30B11/22;C03B17/02;C03B17/04;C03B37/012;(IPC1-7):C03B37/02 |
主分类号 |
B21C23/22 |
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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