FR2429040B1 - - Google Patents

Info

Publication number
FR2429040B1
FR2429040B1 FR7818892A FR7818892A FR2429040B1 FR 2429040 B1 FR2429040 B1 FR 2429040B1 FR 7818892 A FR7818892 A FR 7818892A FR 7818892 A FR7818892 A FR 7818892A FR 2429040 B1 FR2429040 B1 FR 2429040B1
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
FR7818892A
Other versions
FR2429040A1 (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.)
EDITIONS FILMEES
Original Assignee
EDITIONS FILMEES
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 EDITIONS FILMEES filed Critical EDITIONS FILMEES
Priority to FR7818892A priority Critical patent/FR2429040A1/fr
Priority to GB7921188A priority patent/GB2023571B/en
Priority to CA330,387A priority patent/CA1126591A/fr
Priority to IT23808/79A priority patent/IT1121894B/it
Priority to DE19792925309 priority patent/DE2925309A1/de
Priority to JP7824479A priority patent/JPS5527894A/ja
Publication of FR2429040A1 publication Critical patent/FR2429040A1/fr
Priority to US06/129,344 priority patent/US4311501A/en
Application granted granted Critical
Publication of FR2429040B1 publication Critical patent/FR2429040B1/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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01285—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by centrifuging
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass

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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7818892A 1978-06-23 1978-06-23 Procede de fabrication de preforme pour fibres optiques Granted FR2429040A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7818892A FR2429040A1 (fr) 1978-06-23 1978-06-23 Procede de fabrication de preforme pour fibres optiques
GB7921188A GB2023571B (en) 1978-06-23 1979-06-18 Method for producing preforms for optical fibres
CA330,387A CA1126591A (fr) 1978-06-23 1979-06-22 Methode de production de preformes de fibres optiques
IT23808/79A IT1121894B (it) 1978-06-23 1979-06-22 Procedimento di fabbricazione di preforme per fibre ottiche
DE19792925309 DE2925309A1 (de) 1978-06-23 1979-06-22 Verfahren zur herstellung eines vorformlings zur bildung einer lichtleitfaser
JP7824479A JPS5527894A (en) 1978-06-23 1979-06-22 Manufacture of optical fiber premolding article
US06/129,344 US4311501A (en) 1978-06-23 1980-03-11 Method and apparatus for the production of preforms for optical fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7818892A FR2429040A1 (fr) 1978-06-23 1978-06-23 Procede de fabrication de preforme pour fibres optiques

Publications (2)

Publication Number Publication Date
FR2429040A1 FR2429040A1 (fr) 1980-01-18
FR2429040B1 true FR2429040B1 (fr) 1983-01-21

Family

ID=9209932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818892A Granted FR2429040A1 (fr) 1978-06-23 1978-06-23 Procede de fabrication de preforme pour fibres optiques

Country Status (7)

Country Link
US (1) US4311501A (fr)
JP (1) JPS5527894A (fr)
CA (1) CA1126591A (fr)
DE (1) DE2925309A1 (fr)
FR (1) FR2429040A1 (fr)
GB (1) GB2023571B (fr)
IT (1) IT1121894B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490211B1 (fr) * 1980-09-17 1990-09-21 Passaret Michel
US4443239A (en) * 1982-05-20 1984-04-17 International Telephone And Telegraph Corporation Fabrication of optical waveguides using slurry deposition
US4519826A (en) * 1983-04-14 1985-05-28 The United States Of America As Represented By The Secretary Of The Navy Optical fibers having a fluoride glass cladding and method of making
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
GB2165233B (en) * 1984-10-04 1988-03-09 Suwa Seikosha Kk Method of making a tubular silica glass member
JPS6191024A (ja) * 1984-10-05 1986-05-09 Seiko Epson Corp 円筒状シリカ系ガラスの製造方法
GB2165534B (en) * 1984-10-05 1988-10-19 Suwa Seikosha Kk Method of preparing parent material for optical fibres
US4597787A (en) * 1984-11-13 1986-07-01 Ispra Fibroptics Industries Herzlia Ltd. Manufacture of optical fibre preforms
DE3537972A1 (de) * 1985-10-25 1987-04-30 Philips Patentverwaltung Verfahren zur herstellung von rotationssymmetrischen glaskoerpern
IT1219404B (it) * 1988-06-27 1990-05-11 Sip Procedimento e apparecchiatura per la fabbricazione di fibre ottiche in silice
EP0611732B1 (fr) * 1989-10-31 1997-10-08 Fujitsu Limited Procédé de fabrication d'une préforme pour fibres optiques
AU649845B2 (en) * 1991-06-24 1994-06-02 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
JP2000191336A (ja) * 1998-12-28 2000-07-11 Hoya Corp 光ファイバ―プリフォ―ムの製造方法および光ファイバ―の製造方法
GB2369820B (en) * 2000-12-08 2003-04-23 Univ Southampton Fabrication of substrates for planar waveguide devices and planar waveguide devices
US20040226319A1 (en) 2003-05-15 2004-11-18 Macchesney John Burnette Chemical powder deposition method for the manufacture of optical fiber preforms and optical fibers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5221217B2 (fr) * 1971-08-11 1977-06-09
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
US3853521A (en) * 1973-03-29 1974-12-10 Int Standard Electric Corp Method for making glass optical fibre preform
JPS50149354A (fr) * 1974-05-21 1975-11-29
JPS5146958A (ja) * 1974-10-21 1976-04-22 Tokyo Shibaura Electric Co Hikaridentatsugarasuno seizohoho
JPS5239294A (en) * 1975-09-25 1977-03-26 Ishikawajima Harima Heavy Ind Co Ltd Combination system floating dock
JPS5912861B2 (ja) * 1975-09-27 1984-03-26 株式会社クボタ シリンダヘツド
DE2637937A1 (de) * 1976-08-23 1978-03-02 Siemens Ag Herstellung von lichtleitfasern nach einem fluessigphasen-abscheidungsverfahren
US4173459A (en) * 1976-08-30 1979-11-06 Siemens Aktiengesellschaft Method for producing a light conducting fiber

Also Published As

Publication number Publication date
IT1121894B (it) 1986-04-23
DE2925309A1 (de) 1980-02-28
US4311501A (en) 1982-01-19
IT7923808A0 (it) 1979-06-22
GB2023571A (en) 1980-01-03
FR2429040A1 (fr) 1980-01-18
GB2023571B (en) 1983-02-23
JPS5527894A (en) 1980-02-28
CA1126591A (fr) 1982-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse