CA1159650A - Process for controlling the drawing of an optical fibre from a glass preform and system utilizing such a process - Google Patents
Process for controlling the drawing of an optical fibre from a glass preform and system utilizing such a processInfo
- Publication number
- CA1159650A CA1159650A CA000359482A CA359482A CA1159650A CA 1159650 A CA1159650 A CA 1159650A CA 000359482 A CA000359482 A CA 000359482A CA 359482 A CA359482 A CA 359482A CA 1159650 A CA1159650 A CA 1159650A
- Authority
- CA
- Canada
- Prior art keywords
- preform
- fibre
- tensile stress
- furnace
- glass
- 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.)
- Expired
Links
- 239000011521 glass Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000013307 optical fiber Substances 0.000 title claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000001276 controlling effect Effects 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims abstract 2
- 239000013585 weight reducing agent Substances 0.000 claims abstract 2
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100353161 Drosophila melanogaster prel gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D15/00—Control of mechanical force or stress; Control of mechanical pressure
- G05D15/01—Control of mechanical force or stress; Control of mechanical pressure characterised by the use of electric means
-
- 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
- C03B2205/72—Controlling or measuring the draw furnace temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7922299 | 1979-09-06 | ||
| FR7922299A FR2464925A1 (fr) | 1979-09-06 | 1979-09-06 | Procede de controle du tirage d'une fibre optique a partir d'une preforme de verre et systeme de mise en oeuvre d'un tel procede |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1159650A true CA1159650A (en) | 1984-01-03 |
Family
ID=9229408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000359482A Expired CA1159650A (en) | 1979-09-06 | 1980-09-03 | Process for controlling the drawing of an optical fibre from a glass preform and system utilizing such a process |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4317666A (online.php) |
| EP (1) | EP0025736B1 (online.php) |
| JP (1) | JPS5645848A (online.php) |
| CA (1) | CA1159650A (online.php) |
| DE (1) | DE3064491D1 (online.php) |
| FR (1) | FR2464925A1 (online.php) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1167852B (it) * | 1981-03-24 | 1987-05-20 | Stefano Sottini | Dispositivo di trasmissione di radiazione laser di alta potenza che utilizza una fibra ottica a sezione variabile e suo procedimento di realizzazione |
| US4410344A (en) * | 1981-09-28 | 1983-10-18 | Western Electric Company, Inc. | Optical waveguide fiber draw guiding and coating method and apparatus |
| JPS60186429A (ja) * | 1984-03-01 | 1985-09-21 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
| IN169141B (online.php) * | 1985-08-21 | 1991-09-07 | Stc Plc | |
| US5079433A (en) * | 1990-10-05 | 1992-01-07 | Corning Incorporated | Method for monitoring fiber tension by measuring fiber vibration frequency |
| JPH09132424A (ja) * | 1995-11-06 | 1997-05-20 | Furukawa Electric Co Ltd:The | 光ファイバの線引方法 |
| SE511083C2 (sv) * | 1995-12-06 | 1999-08-02 | Sumitomo Electric Industries | Förfarande för att förlänga glasförform |
| DE69623938T2 (de) | 1996-06-21 | 2003-05-22 | Pirelli Cavi E Sistemi S.P.A., Mailand/Milano | Gegen Wasserbäumchen widerstandsfähige Isolierungszusammensetzung |
| EP0881196B1 (en) * | 1997-05-30 | 2001-04-25 | Shin-Etsu Chemical Company, Ltd. | Method for drawing a glass ingot to a rod |
| US6354113B2 (en) | 1999-01-20 | 2002-03-12 | Alcatel | Fiber optic draw furnace featuring a fiber optic preform heating and fiber drawing programmable logic controller |
| CN104402215B (zh) * | 2014-11-27 | 2016-09-14 | 西安西古光通信有限公司 | 一种光纤拉丝塔中心校正方法及校正装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3471278A (en) * | 1966-07-06 | 1969-10-07 | Owens Corning Fiberglass Corp | Method of and apparatus for producing continuous fibers |
| JPS50152022A (online.php) * | 1974-05-28 | 1975-12-06 | ||
| JPS5311039A (en) * | 1976-07-19 | 1978-02-01 | Hitachi Ltd | Controller of diameter of optical fiber |
| FR2383137A1 (fr) * | 1977-03-09 | 1978-10-06 | Gouronnec Alain | Equipement d'etirage de fibre optique a partir d'une preforme, perfectionne en ce qui concerne la regulation de la temperature du four et celle de la vitesse de descente de la preforme |
-
1979
- 1979-09-06 FR FR7922299A patent/FR2464925A1/fr active Granted
-
1980
- 1980-08-26 DE DE8080401215T patent/DE3064491D1/de not_active Expired
- 1980-08-26 EP EP80401215A patent/EP0025736B1/fr not_active Expired
- 1980-09-03 CA CA000359482A patent/CA1159650A/en not_active Expired
- 1980-09-03 US US06/183,649 patent/US4317666A/en not_active Expired - Lifetime
- 1980-09-05 JP JP12339980A patent/JPS5645848A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3064491D1 (en) | 1983-09-08 |
| EP0025736A1 (fr) | 1981-03-25 |
| JPS5645848A (en) | 1981-04-25 |
| FR2464925B1 (online.php) | 1982-07-23 |
| EP0025736B1 (fr) | 1983-08-03 |
| JPH0121100B2 (online.php) | 1989-04-19 |
| FR2464925A1 (fr) | 1981-03-20 |
| US4317666A (en) | 1982-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |