JPS57140333A - Coating method for optical fiber - Google Patents
Coating method for optical fiberInfo
- Publication number
- JPS57140333A JPS57140333A JP56025318A JP2531881A JPS57140333A JP S57140333 A JPS57140333 A JP S57140333A JP 56025318 A JP56025318 A JP 56025318A JP 2531881 A JP2531881 A JP 2531881A JP S57140333 A JPS57140333 A JP S57140333A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- cooling
- fluid
- inlet
- agent
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
- C03C25/18—Extrusion
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/50—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket
- C03B2205/52—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket by direct contact with liquid coolant, e.g. as spray, mist
- C03B2205/53—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket by direct contact with liquid coolant, e.g. as spray, mist by passage through liquid coolant bath
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
PURPOSE:To reduce the size of an apparatus and to obtain a coated layer with no change in thickness by passing an optical fiber immediately after spinning through a fluid for cooling and a coating agent packed in the same die container in 2 layers. CONSTITUTION:A perform rod 1 is melted by heating at about 2,000 deg.C with a heating furnace 2 and spun into an optical fiber 3 having about 1mm. outside diameter. The hot fiber 3 immediately after the spinning is passed through a die container 4 having a die at the outlet at about 15m/min drawing speed. The container 4 is supplied with a coating agent 6 such as silicone resin from a supply inlet 7 under pressure with a pump or the like, and a fluid 5 for cooling such as ethanol which has lower specific gravity than the agent 6 and does not react with the agent 6 is circulated between an inlet 8 and an outlet 9 while cooling. By feeding gaseous N2 from an inlet 10, the ignition of the fluid 5 is prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56025318A JPS57140333A (en) | 1981-02-23 | 1981-02-23 | Coating method for optical fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56025318A JPS57140333A (en) | 1981-02-23 | 1981-02-23 | Coating method for optical fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57140333A true JPS57140333A (en) | 1982-08-30 |
Family
ID=12162633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56025318A Pending JPS57140333A (en) | 1981-02-23 | 1981-02-23 | Coating method for optical fiber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57140333A (en) |
-
1981
- 1981-02-23 JP JP56025318A patent/JPS57140333A/en active Pending
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