FR2436111B1 - - Google Patents

Info

Publication number
FR2436111B1
FR2436111B1 FR7533195A FR7533195A FR2436111B1 FR 2436111 B1 FR2436111 B1 FR 2436111B1 FR 7533195 A FR7533195 A FR 7533195A FR 7533195 A FR7533195 A FR 7533195A FR 2436111 B1 FR2436111 B1 FR 2436111B1
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
FR7533195A
Other languages
French (fr)
Other versions
FR2436111A1 (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 FR7533195A priority Critical patent/FR2436111A1/fr
Publication of FR2436111A1 publication Critical patent/FR2436111A1/fr
Application granted granted Critical
Publication of FR2436111B1 publication Critical patent/FR2436111B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/051—Re-forming tubes or rods by gravity, e.g. sagging
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/057—Re-forming tubes or rods by fusing, e.g. for flame sealing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
    • C03B23/073—Vacuum-blowing
    • 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • 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
    • C03B2205/60—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
FR7533195A 1975-10-30 1975-10-30 Procede pour retreindre un tube de verre pour former un barreau plein Granted FR2436111A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7533195A FR2436111A1 (fr) 1975-10-30 1975-10-30 Procede pour retreindre un tube de verre pour former un barreau plein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7533195A FR2436111A1 (fr) 1975-10-30 1975-10-30 Procede pour retreindre un tube de verre pour former un barreau plein

Publications (2)

Publication Number Publication Date
FR2436111A1 FR2436111A1 (fr) 1980-04-11
FR2436111B1 true FR2436111B1 (cs) 1981-04-30

Family

ID=9161830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533195A Granted FR2436111A1 (fr) 1975-10-30 1975-10-30 Procede pour retreindre un tube de verre pour former un barreau plein

Country Status (1)

Country Link
FR (1) FR2436111A1 (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298364A (en) * 1980-03-17 1981-11-03 Corning Glass Works Method of making optical fibers having improved core roundness
NL8402225A (nl) * 1984-07-13 1986-02-03 Philips Nv Werkwijze voor de vervaardiging van massieve glazen voorvormen uit holle voorvormen.
FR2589461B1 (fr) * 1985-10-31 1992-07-24 Fibres Optiques Ind Procede de fabrication d'elements etires a base de silice et elements obtenus
FR2621035B1 (fr) * 1987-09-29 1992-06-26 Comp Generale Electricite Procede de fabrication de fibre optique avec preforme obtenue par retreint
FR2657864B1 (fr) * 1990-02-02 1992-04-10 Alsthom Cge Alcatel Procede de fabrication de preformes pour fibres optiques de caracteristiques regulieres.
FR2657865B1 (fr) * 1990-02-05 1993-08-13 Lenoane Georges Procedes de fabrication de haute precision de capillaires, d'embouts de raccordement et de dispositifs de raccordement pour fibres optiques.
DE4117817C2 (de) * 1991-05-31 1994-02-03 Heraeus Quarzglas Verfahren zur Herstellung einer stabförmigen Vorform für optische Fasern
DE19856892C2 (de) 1998-12-10 2001-03-15 Heraeus Quarzglas Verfahren zur Herstellung eines Rohres aus glasigem Werkstoff, insbesondere aus Quarzglas

Also Published As

Publication number Publication date
FR2436111A1 (fr) 1980-04-11

Similar Documents

Publication Publication Date Title
FR2436111B1 (cs)
JPS5287059U (cs)
FR2314974B1 (cs)
JPS559407Y2 (cs)
JPS526037U (cs)
JPS5195044U (cs)
JPS5335001Y2 (cs)
JPS5417000B2 (cs)
CS176943B1 (cs)
JPS5193114U (cs)
JPS51107777U (cs)
CH586939A5 (cs)
CH607946A5 (cs)
CH604756A5 (cs)
CH605252A5 (cs)
CH592548A5 (cs)
CH610872A5 (cs)
CH591798A5 (cs)
CH588711A5 (cs)
CH610070A5 (cs)
CH609184A5 (cs)
CH609139A5 (cs)
CH608916A5 (cs)
CH608718A5 (cs)
CH605232A5 (cs)

Legal Events

Date Code Title Description
ST Notification of lapse