JPS63110532U - - Google Patents
Info
- Publication number
- JPS63110532U JPS63110532U JP211487U JP211487U JPS63110532U JP S63110532 U JPS63110532 U JP S63110532U JP 211487 U JP211487 U JP 211487U JP 211487 U JP211487 U JP 211487U JP S63110532 U JPS63110532 U JP S63110532U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- fiber preform
- core tube
- furnace core
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
第１図は本考案の一実施例の光フアイバ母材延
伸装置の加熱炉と炉心管とを示す断面図、第２図
は第１図に示す装置による炉心管内の温度分布を
従来例と比較して示した線図、第３図は本考案の
他の実施例を示す説明図であり、第４図は従来の
炉心管による温度分布を示す説明図である。 １，１：ヒータ、１，２：炉心管、２，１：ヒ
ータ、２，２：炉心管、４，１：ヒータ、４，２
：炉心管。
伸装置の加熱炉と炉心管とを示す断面図、第２図
は第１図に示す装置による炉心管内の温度分布を
従来例と比較して示した線図、第３図は本考案の
他の実施例を示す説明図であり、第４図は従来の
炉心管による温度分布を示す説明図である。 １，１：ヒータ、１，２：炉心管、２，１：ヒ
ータ、２，２：炉心管、４，１：ヒータ、４，２
：炉心管。
Claims (1)
- 加熱炉に炉心管を内装し、該炉心管内に光フア
イバ母材を設置し、該光フアイバ母材を前記炉心
管を介して加熱しながら延伸する光フアイバ母材
延伸装置において、前記炉心管が、その内径を長
手方向に従つて変化させた形状になつていること
を特徴とする光フアイバ母材延伸装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP211487U JPS63110532U (ja) | 1987-01-09 | 1987-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP211487U JPS63110532U (ja) | 1987-01-09 | 1987-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63110532U true JPS63110532U (ja) | 1988-07-15 |
Family
ID=30780651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP211487U Pending JPS63110532U (ja) | 1987-01-09 | 1987-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63110532U (ja) |
-
1987
- 1987-01-09 JP JP211487U patent/JPS63110532U/ja active Pending