JPH04634U - - Google Patents
Info
- Publication number
- JPH04634U JPH04634U JP4118290U JP4118290U JPH04634U JP H04634 U JPH04634 U JP H04634U JP 4118290 U JP4118290 U JP 4118290U JP 4118290 U JP4118290 U JP 4118290U JP H04634 U JPH04634 U JP H04634U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- hermetic
- reaction tube
- hermetic coating
- coating
- 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 11
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
Landscapes
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Chemical Vapour Deposition (AREA)
Description
第１図は本考案に係るハーメチツク被覆光フア
イバ製造用ハーメチツク被覆生成部の一例を示す
縦断面図、第２図は熱ＣＶＤ法を用いてハーメチ
ツク被覆光フアイバを製造する従来の装置の概略
構成を示す縦断面図、第３図は従来のハーメチツ
ク被覆生成部を示す縦断面図である。
１……光フアイバ母材、２……線引き炉、３Ａ
……光フアイバ、３……ハーメチツク被覆光フア
イバ、４……外径測定器、５……ハーメチツク被
覆生成部、６……反応管、６Ａ……反応室、８…
…反応管加熱炉、９……被覆ダイス、１３……原
料ガス導入管、１４……排気管、１５……冷却器
、１６……冷却ジヤケツト、１７……冷却管、１
８……光フアイバ保護筒。
FIG. 1 is a longitudinal cross-sectional view showing an example of a hermetic coating generating section for manufacturing a hermetic coated optical fiber according to the present invention, and FIG. 2 is a schematic diagram of a conventional apparatus for manufacturing a hermetically coated optical fiber using a thermal CVD method. FIG. 3 is a vertical cross-sectional view showing a conventional hermetic covering generating section. 1...Optical fiber base material, 2...Drawing furnace, 3A
... Optical fiber, 3 ... Hermetic coating optical fiber, 4 ... Outer diameter measuring device, 5 ... Hermetic coating generation section, 6 ... Reaction tube, 6A ... Reaction chamber, 8 ...
... Reaction tube heating furnace, 9 ... Coating die, 13 ... Raw material gas introduction pipe, 14 ... Exhaust pipe, 15 ... Cooler, 16 ... Cooling jacket, 17 ... Cooling pipe, 1
8...Optical fiber protection tube.
Claims (1)
チツク被覆を成膜させてハーメチツク被覆光フア
イバを製造するハーメチツク被覆光フアイバ製造
用ハーメチツク被覆生成部において、前記反応管
内で前記光フアイバと粒子との接触確率の大きい
箇所に対応した該反応管の外周に冷却器が設けら
れていることを特徴とするハーメチツク被覆光フ
アイバ製造用ハーメチツク被覆生成部。 In a hermetic coating generation section for manufacturing a hermetic coated optical fiber, which forms a hermetic coating on the surface of an optical fiber passing through a reaction tube to produce a hermetically coated optical fiber, the probability of contact between the optical fiber and particles in the reaction tube is determined. A hermetic coating generating section for producing a hermetic coating optical fiber, characterized in that a cooler is provided on the outer periphery of the reaction tube corresponding to a large area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4118290U JPH04634U (en) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4118290U JPH04634U (en) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04634U true JPH04634U (en) | 1992-01-07 |
Family
ID=31551632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4118290U Pending JPH04634U (en) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5418461U (en) * | 1977-07-11 | 1979-02-06 |
-
1990
- 1990-04-18 JP JP4118290U patent/JPH04634U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5418461U (en) * | 1977-07-11 | 1979-02-06 |