JPH0211128U - - Google Patents
Info
- Publication number
- JPH0211128U JPH0211128U JP8796188U JP8796188U JPH0211128U JP H0211128 U JPH0211128 U JP H0211128U JP 8796188 U JP8796188 U JP 8796188U JP 8796188 U JP8796188 U JP 8796188U JP H0211128 U JPH0211128 U JP H0211128U
- Authority
- JP
- Japan
- Prior art keywords
- base material
- optical fiber
- fiber base
- porous optical
- core tube
- 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
- 239000000463 material Substances 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims 5
- 238000004017 vitrification Methods 0.000 claims 4
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
Landscapes
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
第１図は本考案の炉の片側部分の縦断面図、第
２図は第１図に示す炉の温度分布と母材の通過の
関係を示す説明図、第３図は従来の炉の片側部分
の縦断面図、第４図は第３図に示す炉の温度分布
と母材の通過の関係を示す説明図である。
１……炉芯管、２……炉体、３……マツフル管
、４Ａ……脱水用加熱ヒータ、４Ｂ……焼結用加
熱ヒータ、５……断熱材、６Ａ，６Ｂ……電極、
８……冷却具。
Figure 1 is a longitudinal sectional view of one side of the furnace of the present invention, Figure 2 is an explanatory diagram showing the relationship between the temperature distribution of the furnace shown in Figure 1 and the passage of the base material, and Figure 3 is one side of the conventional furnace. FIG. 4, which is a vertical sectional view of the portion, is an explanatory diagram showing the relationship between the temperature distribution of the furnace shown in FIG. 3 and the passage of the base material. DESCRIPTION OF SYMBOLS 1... Furnace core tube, 2... Furnace body, 3... Matsufuru tube, 4A... Heater for dehydration, 4B... Heater for sintering, 5... Heat insulating material, 6A, 6B... Electrode,
8... Cooling device.
Claims (1)
つ脱水し、焼結して透明ガラス化する多孔質光フ
アイバ母材の透明ガラス化炉において、前記炉芯
管の外周にその長手方向に位置を異にして、前記
炉芯管内を前記多孔質光フアイバ母材の脱水温度
に加熱する脱水用加熱ヒータと、前記炉芯管内を
前記多孔質光フアイバ母材のガラス化温度に加熱
する焼結用加熱ヒータとが設けられ、前記両ヒー
タの中間には前記両ヒータによる加熱ゾーンの間
に前記脱水温度より低い温度ゾーンを形成するた
めの冷却具が設けられていることを特徴とする多
孔質光フアイバ母材の透明ガラス化炉。 In a transparent vitrification furnace for a porous optical fiber base material, in which a porous optical fiber base material is heated in a furnace core tube, dehydrated, and sintered to become transparent vitrification, the outer periphery of the furnace core tube is coated in the longitudinal direction. a dehydration heater that heats the inside of the furnace core tube to a dehydration temperature of the porous optical fiber base material, and a dehydration heater that heats the inside of the furnace core tube to the vitrification temperature of the porous optical fiber base material, which are located at different positions. A sintering heater is provided, and a cooling device is provided between the two heaters to form a temperature zone lower than the dehydration temperature between the heating zones of the two heaters. Transparent vitrification furnace for porous optical fiber base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8796188U JPH0211128U (en) | 1988-07-04 | 1988-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8796188U JPH0211128U (en) | 1988-07-04 | 1988-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0211128U true JPH0211128U (en) | 1990-01-24 |
Family
ID=31312548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8796188U Pending JPH0211128U (en) | 1988-07-04 | 1988-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0211128U (en) |
-
1988
- 1988-07-04 JP JP8796188U patent/JPH0211128U/ja active Pending