JPH0440208U - - Google Patents
Info
- Publication number
- JPH0440208U JPH0440208U JP8276890U JP8276890U JPH0440208U JP H0440208 U JPH0440208 U JP H0440208U JP 8276890 U JP8276890 U JP 8276890U JP 8276890 U JP8276890 U JP 8276890U JP H0440208 U JPH0440208 U JP H0440208U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- metal pipe
- coating layer
- inert gas
- pipe
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Description
第１図は本考案に係る金属パイプ入り光フアイ
バを示す断面図、第２図は光フアイバのロス増の
経時変化を示す図、第３図は金属パイプ入り光フ
アイバの従来例を示す断面図である。
図中、１は光フアイバ素線、２は被覆材層、３
は金属製パイプ、Ｂは不活性ガス層、Ｃは不活性
ガスである。
Fig. 1 is a cross-sectional view showing an optical fiber with a metal pipe according to the present invention, Fig. 2 is a view showing changes in optical fiber loss increase over time, and Fig. 3 is a cross-sectional view showing a conventional example of an optical fiber with a metal pipe. It is. In the figure, 1 is an optical fiber wire, 2 is a coating material layer, and 3 is a coating material layer.
is a metal pipe, B is an inert gas layer, and C is an inert gas.
Claims (1)
素線を耐熱性に優れた金属製パイプ内に挿入する
と共に、該パイプと上記被覆材層との間に不活性
ガスを充填した不活性ガス層を形成したことを特
徴とする金属パイプ入り光フアイバ。 An optical fiber coated with a synthetic resin coating layer is inserted into a metal pipe with excellent heat resistance, and an inert gas is filled between the pipe and the coating layer. An optical fiber with a metal pipe formed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082768U JP2582077Y2 (en) | 1990-08-06 | 1990-08-06 | Optical fiber with metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082768U JP2582077Y2 (en) | 1990-08-06 | 1990-08-06 | Optical fiber with metal pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0440208U true JPH0440208U (en) | 1992-04-06 |
| JP2582077Y2 JP2582077Y2 (en) | 1998-09-30 |
Family
ID=31629870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990082768U Expired - Lifetime JP2582077Y2 (en) | 1990-08-06 | 1990-08-06 | Optical fiber with metal pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2582077Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57148103U (en) * | 1981-03-11 | 1982-09-17 | ||
| JPS59144816U (en) * | 1983-03-17 | 1984-09-27 | 昭和電線電纜株式会社 | Composite OF cable |
| JPS6371804A (en) * | 1986-09-16 | 1988-04-01 | Olympus Optical Co Ltd | Infrared-ray waveguide |
-
1990
- 1990-08-06 JP JP1990082768U patent/JP2582077Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57148103U (en) * | 1981-03-11 | 1982-09-17 | ||
| JPS59144816U (en) * | 1983-03-17 | 1984-09-27 | 昭和電線電纜株式会社 | Composite OF cable |
| JPS6371804A (en) * | 1986-09-16 | 1988-04-01 | Olympus Optical Co Ltd | Infrared-ray waveguide |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2582077Y2 (en) | 1998-09-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R323117 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |