JPS5369643A - Apparatus for controlling diameter of optical fibre - Google Patents
Apparatus for controlling diameter of optical fibreInfo
- Publication number
- JPS5369643A JPS5369643A JP14479276A JP14479276A JPS5369643A JP S5369643 A JPS5369643 A JP S5369643A JP 14479276 A JP14479276 A JP 14479276A JP 14479276 A JP14479276 A JP 14479276A JP S5369643 A JPS5369643 A JP S5369643A
- Authority
- JP
- Japan
- Prior art keywords
- optical fibre
- diameter
- controlling diameter
- controlling
- gas
- 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.)
- Granted
Links
Classifications
-
- 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
- C03B37/0253—Controlling or regulating
-
- 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
- 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
- C03B37/029—Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/40—Monitoring or regulating the draw tension or draw rate
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/82—Means for sealing the fibre exit or lower end of the furnace
- C03B2205/83—Means for sealing the fibre exit or lower end of the furnace using gas
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
- C03B2205/91—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles by controlling the furnace gas flow rate into or out of the furnace
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
- C03B2205/98—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using annular gas inlet distributors
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14479276A JPS5945610B2 (ja) | 1976-12-03 | 1976-12-03 | 光ファイバの線引き方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14479276A JPS5945610B2 (ja) | 1976-12-03 | 1976-12-03 | 光ファイバの線引き方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5369643A true JPS5369643A (en) | 1978-06-21 |
JPS5945610B2 JPS5945610B2 (ja) | 1984-11-07 |
Family
ID=15370550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14479276A Expired JPS5945610B2 (ja) | 1976-12-03 | 1976-12-03 | 光ファイバの線引き方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5945610B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003020654A1 (en) * | 2001-09-05 | 2003-03-13 | Corning Incorporated | Furnaces for drawing an optical fibre from a preform |
JP2015071505A (ja) * | 2013-10-02 | 2015-04-16 | 住友電気工業株式会社 | 光ファイバの製造方法及び製造装置 |
-
1976
- 1976-12-03 JP JP14479276A patent/JPS5945610B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003020654A1 (en) * | 2001-09-05 | 2003-03-13 | Corning Incorporated | Furnaces for drawing an optical fibre from a preform |
JP2015071505A (ja) * | 2013-10-02 | 2015-04-16 | 住友電気工業株式会社 | 光ファイバの製造方法及び製造装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS5945610B2 (ja) | 1984-11-07 |
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