JPS63157114U - - Google Patents
Info
- Publication number
- JPS63157114U JPS63157114U JP4978387U JP4978387U JPS63157114U JP S63157114 U JPS63157114 U JP S63157114U JP 4978387 U JP4978387 U JP 4978387U JP 4978387 U JP4978387 U JP 4978387U JP S63157114 U JPS63157114 U JP S63157114U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- metal
- outer periphery
- metal spacer
- spacer
- 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
- 239000002184 metal Substances 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Communication Cables (AREA)
Description
第１図は本発明の光フアイバ複合架空線の一実
施例を示す断面図。第２図は本発明の光フアイバ
複合架空線を製造する際の一部分構造を示す断面
図。第３図、第４図は従来の光フアイバ複合架空
線を示す断面図。
１は金属スペーサ、１１はラセン溝、１２はラ
センヒレ、１２ａはラセンヒレ１２の外周部、２
は光フアイバ、３は金属被覆管、４は金属導体、
５は防水性樹脂層を示す。
FIG. 1 is a sectional view showing an embodiment of the optical fiber composite overhead line of the present invention. FIG. 2 is a sectional view showing a partial structure when manufacturing the optical fiber composite overhead line of the present invention. FIGS. 3 and 4 are cross-sectional views showing conventional optical fiber composite overhead lines. 1 is a metal spacer, 11 is a spiral groove, 12 is a spiral fin, 12a is an outer periphery of the spiral fin 12, 2
is an optical fiber, 3 is a metal clad tube, 4 is a metal conductor,
5 indicates a waterproof resin layer.
Claims (1)
属スペーサの前記ラセン溝内には、光フアイバが
収納され、前記金属スペーサの外周には金属被覆
管が設けられた光フアイバユニツトと、前記光フ
アイバユニツトの外周に複数本の金属導体を撚り
合わせてなる構造の光フアイバ複合架空線におい
て、前記光フアイバユニツトは金属スペーサの外
周に長手方向にわたつて凸状のラセンヒレを有し
、前記金属被覆管の内周面と前記ラセンヒレの外
周部とが直接的に接触するように設けられており
、前記金属スペーサと前記金属被覆管とで構成さ
れた空間部分には防水性樹脂層を有することを特
徴とする光フアイバ複合架空線。 An optical fiber unit is provided, in which an optical fiber is housed in the helical groove of a metal spacer having a helical groove over the outer peripheral surface in the longitudinal direction, and a metal clad tube is provided on the outer periphery of the metal spacer; In an optical fiber composite overhead line having a structure in which a plurality of metal conductors are twisted around the outer periphery, the optical fiber unit has a convex helical fin extending longitudinally around the outer periphery of the metal spacer, and the inner part of the metal clad tube The circumferential surface and the outer circumference of the spiral fin are provided so as to be in direct contact with each other, and a space formed by the metal spacer and the metal cladding tube has a waterproof resin layer. Optical fiber composite overhead line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4978387U JPS63157114U (en) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4978387U JPS63157114U (en) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63157114U true JPS63157114U (en) | 1988-10-14 |
Family
ID=30872554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4978387U Pending JPS63157114U (en) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63157114U (en) |
-
1987
- 1987-03-31 JP JP4978387U patent/JPS63157114U/ja active Pending