JPS6477805A - Optical fiber composite aerial terrestirial wire, its manufacture and tape - Google Patents
Optical fiber composite aerial terrestirial wire, its manufacture and tapeInfo
- Publication number
- JPS6477805A JPS6477805A JP23597987A JP23597987A JPS6477805A JP S6477805 A JPS6477805 A JP S6477805A JP 23597987 A JP23597987 A JP 23597987A JP 23597987 A JP23597987 A JP 23597987A JP S6477805 A JPS6477805 A JP S6477805A
- Authority
- JP
- Japan
- Prior art keywords
- optical fibers
- foaming
- tape
- bundle
- tapes
- 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
Landscapes
- Communication Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
PURPOSE:To provide optical fibers with sufficient surplus length and enable shrinking of the outside dia. of an OP unit by winding or laying longitudinally a tape which forms a foaming layer partially at the periphery of a bundle of optical fibers, and foaming the foaming layer when it is covered with an aluminum pipe. CONSTITUTION:Foaming agents 3a, 3a are pinched partially between two polymid tapes 2, 2. Optical fibers 1a, 1a are twisted or bundled into a bundle of optical fibers 1, and at its periphery the tapes 2 having foaming agent 3a are wound or laid longitudinally. This is heated to allow the agent to foam, and a foam layer 3 is provided. The tapes themselves deform into corrugated form, and accordingly the inside bundle of optical fibers 1 are deformed into corrugated form, to equip the fibers 1a, 1a with a surplus length on the basis of the corrugated form. An aluminum pipe 4 is laid over this surplus length to constitute an OP unit 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23597987A JPS6477805A (en) | 1987-09-18 | 1987-09-18 | Optical fiber composite aerial terrestirial wire, its manufacture and tape |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23597987A JPS6477805A (en) | 1987-09-18 | 1987-09-18 | Optical fiber composite aerial terrestirial wire, its manufacture and tape |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6477805A true JPS6477805A (en) | 1989-03-23 |
Family
ID=16994025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23597987A Pending JPS6477805A (en) | 1987-09-18 | 1987-09-18 | Optical fiber composite aerial terrestirial wire, its manufacture and tape |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6477805A (en) |
-
1987
- 1987-09-18 JP JP23597987A patent/JPS6477805A/en active Pending
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