JPH0380403U - - Google Patents
Info
- Publication number
- JPH0380403U JPH0380403U JP14042289U JP14042289U JPH0380403U JP H0380403 U JPH0380403 U JP H0380403U JP 14042289 U JP14042289 U JP 14042289U JP 14042289 U JP14042289 U JP 14042289U JP H0380403 U JPH0380403 U JP H0380403U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- grooves
- outer periphery
- fiber cable
- protective 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
- 239000011253 protective coating Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 229920000592 inorganic polymer Polymers 0.000 claims 1
Description
第１図は本考案の一実施例のＯＰＧＷを示す横
断面図、第２図はその実施例の多心光フアイバテ
ープの拡大断面図、第３図は瞬時耐熱特性試験の
結果を示すグラフ、第４図は従来のＯＰＧＷに使
用されている光フアイバユニツトを示す横断面図
である。
１１……凹溝、１２……金属スペーサ、１３…
…多心光フアイバテープ、１６……光フアイバ心
線、１６ａ……裸光フアイバ、１６ｂ……裸光フ
アイバの保護被覆、１７……共通と保護被覆。
Fig. 1 is a cross-sectional view showing an OPGW of an embodiment of the present invention, Fig. 2 is an enlarged sectional view of a multi-core optical fiber tape of the embodiment, and Fig. 3 is a graph showing the results of an instantaneous heat resistance property test. FIG. 4 is a cross-sectional view showing an optical fiber unit used in a conventional OPGW. 11...concave groove, 12...metal spacer, 13...
...Multi-core optical fiber tape, 16... Optical fiber core, 16a... Bare optical fiber, 16b... Protective coating of bare optical fiber, 17... Common and protective coating.
Claims (1)
せん状に形成してなる金属スペーサの前記各凹溝
に、光フアイバの外周に第１の保護被覆を設けた
光フアイバ心線の複数本を並列させ、これらの外
周に共通の第２の保護被覆を施してなる光フアイ
バテープを単数ないし複数撚込んでなる光フアイ
バケーブルにおいて、前記第１および第２の保護
被覆がいずれも無機ポリマーからなることを特徴
とする光フアイバケーブル。 A plurality of optical fiber core wires each having a first protective coating provided on the outer periphery of the optical fiber are placed in each of the grooves of a metal spacer formed in a spiral shape with a plurality of grooves for holding the optical fibers formed on the outer periphery. In the optical fiber cable, the first and second protective coatings are both made of an inorganic polymer. An optical fiber cable characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14042289U JPH0380403U (en) | 1989-12-04 | 1989-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14042289U JPH0380403U (en) | 1989-12-04 | 1989-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380403U true JPH0380403U (en) | 1991-08-19 |
Family
ID=31687398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14042289U Pending JPH0380403U (en) | 1989-12-04 | 1989-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380403U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100169A (en) * | 1982-12-01 | 1984-06-09 | Showa Electric Wire & Cable Co Ltd | Heat-resistant paint and heat-resistant insulated wire |
| JPS60107608A (en) * | 1983-11-16 | 1985-06-13 | Fujikura Ltd | Fire-resistant optical cable |
-
1989
- 1989-12-04 JP JP14042289U patent/JPH0380403U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100169A (en) * | 1982-12-01 | 1984-06-09 | Showa Electric Wire & Cable Co Ltd | Heat-resistant paint and heat-resistant insulated wire |
| JPS60107608A (en) * | 1983-11-16 | 1985-06-13 | Fujikura Ltd | Fire-resistant optical cable |
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