JPS6457218A - Optical fiber unit for optical composite overhead earth wire - Google Patents
Optical fiber unit for optical composite overhead earth wireInfo
- Publication number
- JPS6457218A JPS6457218A JP62214636A JP21463687A JPS6457218A JP S6457218 A JPS6457218 A JP S6457218A JP 62214636 A JP62214636 A JP 62214636A JP 21463687 A JP21463687 A JP 21463687A JP S6457218 A JPS6457218 A JP S6457218A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- earth wire
- composite overhead
- fiber unit
- optical fiber
- 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
Abstract
PURPOSE:To prevent increase in transmission loss at the time of winding without increasing the outside diameter of an optical fiber unit by specifying the Young's modulus and thickness of a sheath. CONSTITUTION:Plural pieces of optical fibers 2 are aggregated around a non-metallic tensile body consisting of, for example, fiber reinforced plastic (FRP), etc., and the sheath 3 consisting of a heat resistant resin such as fluoroplastic is formed thereon. The Young's modulus of the sheath 3 is specified to 20kg-mm<2> or above and the thickness thereof to >=0.5mm. The optical fiber unit for an optical composite overhead earth wire which does not increase the transmission loss at the time of winding even if the unit is used for the optical composite overhead earth wire of a so-called additional stringing type is thereby obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62214636A JPS6457218A (en) | 1987-08-28 | 1987-08-28 | Optical fiber unit for optical composite overhead earth wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62214636A JPS6457218A (en) | 1987-08-28 | 1987-08-28 | Optical fiber unit for optical composite overhead earth wire |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6457218A true JPS6457218A (en) | 1989-03-03 |
Family
ID=16659026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62214636A Pending JPS6457218A (en) | 1987-08-28 | 1987-08-28 | Optical fiber unit for optical composite overhead earth wire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6457218A (en) |
-
1987
- 1987-08-28 JP JP62214636A patent/JPS6457218A/en active Pending
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