JPH02142446U - - Google Patents
Info
- Publication number
- JPH02142446U JPH02142446U JP5283789U JP5283789U JPH02142446U JP H02142446 U JPH02142446 U JP H02142446U JP 5283789 U JP5283789 U JP 5283789U JP 5283789 U JP5283789 U JP 5283789U JP H02142446 U JPH02142446 U JP H02142446U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- preform
- core tube
- furnace
- heating body
- 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 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000012681 fiber drawing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
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図は本考案の光フアイバ線引き炉の一実施
例の断面図、第２図は本考案の構成で得られた炉
芯管内の温度分布と従来の装置で得られる温度分
布の比較図、を示す。 １……炉芯管、２……上部ケーシング、３……
下部ケーシング、４……ガス導入管、５……サポ
ート管、６……第１の加熱体、７……第２の加熱
体、８……プリフオーム、９……Ｏ−リング。
例の断面図、第２図は本考案の構成で得られた炉
芯管内の温度分布と従来の装置で得られる温度分
布の比較図、を示す。 １……炉芯管、２……上部ケーシング、３……
下部ケーシング、４……ガス導入管、５……サポ
ート管、６……第１の加熱体、７……第２の加熱
体、８……プリフオーム、９……Ｏ−リング。
Claims (1)
- 光フアイバプリフオームを炉芯管内部に設け、
前記炉芯管外部に加熱体を配設し、前記加熱体で
加熱し、前記光フアイバプリフオームを延伸する
光フアイバ線引き炉において、前記加熱体を各々
独立に温度制御できる複数個の帯状の加熱体とし
プリフオームの中心軸方向に沿つて直列に配設し
たことを特徴とする光フアイバ線引き炉。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5283789U JPH02142446U (ja) | 1989-05-08 | 1989-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5283789U JPH02142446U (ja) | 1989-05-08 | 1989-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02142446U true JPH02142446U (ja) | 1990-12-03 |
Family
ID=31573487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5283789U Pending JPH02142446U (ja) | 1989-05-08 | 1989-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02142446U (ja) |
-
1989
- 1989-05-08 JP JP5283789U patent/JPH02142446U/ja active Pending