JPS57170845A - Reinforcing and coating method for optical fiber - Google Patents
Reinforcing and coating method for optical fiberInfo
- Publication number
- JPS57170845A JPS57170845A JP56055284A JP5528481A JPS57170845A JP S57170845 A JPS57170845 A JP S57170845A JP 56055284 A JP56055284 A JP 56055284A JP 5528481 A JP5528481 A JP 5528481A JP S57170845 A JPS57170845 A JP S57170845A
- Authority
- JP
- Japan
- Prior art keywords
- coat
- reinforcing
- resin
- optical fiber
- 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
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
PURPOSE: To prevent deterioration in the transmitting characteristics due to lateral pressure produced during the curing of a reinforcing coat by interposing a coat of a thermoplastic resin between an optical fiber and the reinforcing coat.
CONSTITUTION: An optical fiber 1 of quartz or the like after spinning is coated with a coat 2 of a thermosetting resin with a low Young's modulus such as silicone resin in a coating vessel provided with dies (not shown), and a coat 3 of a thermoplastic resin such as nylon, polyethylene or fluororesin is formed on the outside of the coat 2 by a similar method. The coat 3 may be provided with a foamed structure. While running the coated fiber 1, reinforcing fibrous materials 4 composed of glass fibers or the like in the form of rovings are impregnated with a thermosetting resin 7 such as unsatd. polyester dropped from resin feeders 6, and the materials 4 are longitudinally stuck to the fiber 1, formed with dies 8, and passed through a heater 9 to cure the resin 7. Thus, a reinforcing coat 10 is obtd. The coat 3 is then melted with a heater 11 to relieve the lateral pressure.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56055284A JPS57170845A (en) | 1981-04-13 | 1981-04-13 | Reinforcing and coating method for optical fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56055284A JPS57170845A (en) | 1981-04-13 | 1981-04-13 | Reinforcing and coating method for optical fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57170845A true JPS57170845A (en) | 1982-10-21 |
Family
ID=12994282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56055284A Pending JPS57170845A (en) | 1981-04-13 | 1981-04-13 | Reinforcing and coating method for optical fiber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57170845A (en) |
-
1981
- 1981-04-13 JP JP56055284A patent/JPS57170845A/en active Pending
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