FR2383137B1 - - Google Patents

Info

Publication number
FR2383137B1
FR2383137B1 FR7706896A FR7706896A FR2383137B1 FR 2383137 B1 FR2383137 B1 FR 2383137B1 FR 7706896 A FR7706896 A FR 7706896A FR 7706896 A FR7706896 A FR 7706896A FR 2383137 B1 FR2383137 B1 FR 2383137B1
Authority
FR
France
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
Application number
FR7706896A
Other languages
French (fr)
Other versions
FR2383137A1 (fr
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 FR2383137A1 (fr) 1978-10-06
FR2383137B1 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317666A (en) 1979-09-06 1982-03-02 Thomson-Csf Process and apparatus for controlling the drawing of an optical fibre from a glass preform

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452470B1 (ref) * 1979-03-29 1984-06-29 Gouronnec Alain
US4236904A (en) * 1979-06-11 1980-12-02 Bell Telephone Laboratories, Incorporated Method for monitoring optical fiber drawing
JP3159116B2 (ja) * 1997-04-11 2001-04-23 住友電気工業株式会社 ガラス母材の延伸機および延伸方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317666A (en) 1979-09-06 1982-03-02 Thomson-Csf Process and apparatus for controlling the drawing of an optical fibre from a glass preform

Also Published As

Publication number Publication date
FR2383137A1 (fr) 1978-10-06

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Legal Events

Date Code Title Description
TP Transmission of property
CL Concession to grant licenses
TP Transmission of property