FR2383137A1 - 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 - Google Patents

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

Info

Publication number
FR2383137A1
FR2383137A1 FR7706896A FR7706896A FR2383137A1 FR 2383137 A1 FR2383137 A1 FR 2383137A1 FR 7706896 A FR7706896 A FR 7706896A FR 7706896 A FR7706896 A FR 7706896A FR 2383137 A1 FR2383137 A1 FR 2383137A1
Authority
FR
France
Prior art keywords
furnace
optical fibre
prod
quality
feed control
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
Application number
FR7706896A
Other languages
English (en)
French (fr)
Other versions
FR2383137B1 (ref
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7706896A priority Critical patent/FR2383137A1/fr
Publication of FR2383137A1 publication Critical patent/FR2383137A1/fr
Application granted granted Critical
Publication of FR2383137B1 publication Critical patent/FR2383137B1/fr
Granted legal-status Critical Current

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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/27—Control of temperature characterised by the use of electric means with sensing element responsive to radiation
    • 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
    • C03B2205/62—Heating means for drawing
    • C03B2205/64—Induction furnaces, i.e. HF/RF coil, e.g. of the graphite or zirconia susceptor type
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR7706896A 1977-03-09 1977-03-09 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 Granted FR2383137A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7706896A FR2383137A1 (fr) 1977-03-09 1977-03-09 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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7706896A FR2383137A1 (fr) 1977-03-09 1977-03-09 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

Publications (2)

Publication Number Publication Date
FR2383137A1 true FR2383137A1 (fr) 1978-10-06
FR2383137B1 FR2383137B1 (ref) 1979-09-07

Family

ID=9187790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7706896A Granted FR2383137A1 (fr) 1977-03-09 1977-03-09 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

Country Status (1)

Country Link
FR (1) FR2383137A1 (ref)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002139A1 (fr) * 1979-03-29 1980-10-16 A Regreny Machine de multifibrage permettant un etirage simultane d'une pluralite de fibres optiques puis un cablage multifibre en ligne
FR2464925A1 (fr) * 1979-09-06 1981-03-20 Thomson Csf 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
EP0030542A4 (en) * 1979-06-11 1981-10-13 Western Electric Co Method for monitoring optical fiber processing.
US5942019A (en) * 1997-04-11 1999-08-24 Sumitomo Electric Industries, Ltd. Elongating apparatus and method for glass preform and furnace body for elongating apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002139A1 (fr) * 1979-03-29 1980-10-16 A Regreny Machine de multifibrage permettant un etirage simultane d'une pluralite de fibres optiques puis un cablage multifibre en ligne
DE3041446C2 (ref) * 1979-03-29 1989-03-02 Alain Lannion Fr Gouronnec
EP0030542A4 (en) * 1979-06-11 1981-10-13 Western Electric Co Method for monitoring optical fiber processing.
FR2464925A1 (fr) * 1979-09-06 1981-03-20 Thomson Csf 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
EP0025736A1 (fr) * 1979-09-06 1981-03-25 Thomson-Csf Procédé de contrôle du tirage d'une fibre optique â partir d'une préforme de verre et système de mise en oeuvre d'un tel procédé
US5942019A (en) * 1997-04-11 1999-08-24 Sumitomo Electric Industries, Ltd. Elongating apparatus and method for glass preform and furnace body for elongating apparatus

Also Published As

Publication number Publication date
FR2383137B1 (ref) 1979-09-07

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TP Transmission of property