ES494514A0 - Procedimiento e instalacion para la produccion de preformas para fibras opticas - Google Patents

Procedimiento e instalacion para la produccion de preformas para fibras opticas

Info

Publication number
ES494514A0
ES494514A0 ES494514A ES494514A ES494514A0 ES 494514 A0 ES494514 A0 ES 494514A0 ES 494514 A ES494514 A ES 494514A ES 494514 A ES494514 A ES 494514A ES 494514 A0 ES494514 A0 ES 494514A0
Authority
ES
Spain
Prior art keywords
preforms
procedure
installation
production
optical fibers
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
ES494514A
Other languages
English (en)
Other versions
ES8104154A1 (es
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.)
Telecom Italia SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni SpA
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 CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Publication of ES494514A0 publication Critical patent/ES494514A0/es
Publication of ES8104154A1 publication Critical patent/ES8104154A1/es
Expired 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
    • C03B37/012—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]
    • C03B37/016—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 a liquid phase reaction process, e.g. through a gel phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
ES494514A 1979-09-10 1980-08-26 Procedimiento e instalacion para la produccion de preformas para fibras opticas Expired ES8104154A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68789/79A IT1119362B (it) 1979-09-10 1979-09-10 Procedimento ed apparecchiatura per la produzione di preforme per fibre ottiche

Publications (2)

Publication Number Publication Date
ES494514A0 true ES494514A0 (es) 1981-04-01
ES8104154A1 ES8104154A1 (es) 1981-04-01

Family

ID=11310582

Family Applications (1)

Application Number Title Priority Date Filing Date
ES494514A Expired ES8104154A1 (es) 1979-09-10 1980-08-26 Procedimiento e instalacion para la produccion de preformas para fibras opticas

Country Status (8)

Country Link
US (1) US4414164A (es)
EP (1) EP0025230B1 (es)
JP (1) JPS5696742A (es)
BR (1) BR8005449A (es)
CA (1) CA1147216A (es)
DE (1) DE3064829D1 (es)
ES (1) ES8104154A1 (es)
IT (1) IT1119362B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490211B1 (es) * 1980-09-17 1990-09-21 Passaret Michel
DE3206181A1 (de) * 1982-02-20 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
US4443239A (en) * 1982-05-20 1984-04-17 International Telephone And Telegraph Corporation Fabrication of optical waveguides using slurry deposition
DE3406148A1 (de) * 1984-02-21 1985-09-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung von rohrfoermigen koerpern und vorrichtung zur durchfuehrung des verfahrens
CS245569B1 (en) * 1984-04-06 1986-10-16 Oto Wichterle Method of polymere gels casting from monomers' volatile mixtures in open moulds and equipment for application of this method
US4798694A (en) * 1985-08-09 1989-01-17 Canon Kabushiki Kaisha Method for producing composite materials
IT1191998B (it) * 1986-04-10 1988-03-31 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso
US5336360A (en) * 1986-08-18 1994-08-09 Clemson University Laser assisted fiber growth
US5306460A (en) * 1987-06-13 1994-04-26 Asahi Denka Kogyo K.K. Method of producing cast products using elastic molds
FR2621909B1 (es) * 1987-10-16 1990-01-19 Comp Generale Electricite
US5198270A (en) * 1991-11-08 1993-03-30 Bell Communications Research, Inc. Method of forming a fiber preform with dopants dissolved in a liquid
CN1128111C (zh) 1995-12-19 2003-11-19 康宁股份有限公司 在制造二氧化硅时抑制硅氧烷原料凝胶化的方法
US6312656B1 (en) 1995-12-19 2001-11-06 Corning Incorporated Method for forming silica by combustion of liquid reactants using oxygen
DE19725955C1 (de) * 1997-06-19 1999-01-21 Heraeus Quarzglas Verfahren zur Herstellung eines Quarzglasrohlings und dafür geeignete Vorrichtung
US5979185A (en) * 1997-07-16 1999-11-09 Corning Incorporated Method and apparatus for forming silica by combustion of liquid reactants using a heater
EP1010672A1 (en) 1998-12-17 2000-06-21 PIRELLI CAVI E SISTEMI S.p.A. Method and apparatus for forming an optical fiber preform by combustionless hydrolysis
US6460378B1 (en) * 2000-02-29 2002-10-08 Xiaoyuan Dong Collapsing a multitube assembly and subsequent optical fiber drawing in the same furnace
CN112299703B (zh) * 2020-11-13 2024-03-12 中国电子科技集团公司第四十六研究所 一种掺杂溶液喷洒装置及喷洒方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570245A (en) * 1948-04-02 1951-10-09 Pittsburgh Plate Glass Co Method of spraying transparent coatings
US3636492A (en) * 1968-08-05 1972-01-18 Matsushita Electric Ind Co Ltd Sintered semiconductor film and method of manufacturing same
DE2447353B2 (de) * 1974-10-04 1977-06-02 Jenaer Glaswerk Schott & Gen., 6500 Mainz Verfahren zum herstellen von lichtleitfasern
DE2637937A1 (de) * 1976-08-23 1978-03-02 Siemens Ag Herstellung von lichtleitfasern nach einem fluessigphasen-abscheidungsverfahren

Also Published As

Publication number Publication date
CA1147216A (en) 1983-05-31
EP0025230B1 (en) 1983-09-14
DE3064829D1 (en) 1983-10-20
EP0025230A3 (en) 1981-04-22
US4414164A (en) 1983-11-08
JPS6348813B2 (es) 1988-09-30
ES8104154A1 (es) 1981-04-01
JPS5696742A (en) 1981-08-05
IT1119362B (it) 1986-03-10
IT7968789A0 (it) 1979-09-10
EP0025230A2 (en) 1981-03-18
BR8005449A (pt) 1981-03-10

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612