BR9502393A - Método para fabricação de pré-formas de fibra óptica,pré-formas de fibra óptica,e fibra óprica - Google Patents

Método para fabricação de pré-formas de fibra óptica,pré-formas de fibra óptica,e fibra óprica

Info

Publication number
BR9502393A
BR9502393A BR9502393A BR9502393A BR9502393A BR 9502393 A BR9502393 A BR 9502393A BR 9502393 A BR9502393 A BR 9502393A BR 9502393 A BR9502393 A BR 9502393A BR 9502393 A BR9502393 A BR 9502393A
Authority
BR
Brazil
Prior art keywords
optical fiber
preforms
fiber preforms
manufacturing
manufacturing optical
Prior art date
Application number
BR9502393A
Other languages
English (en)
Inventor
Peter Robert Ince
Graham Frederick Wood
Peter Charles Sampson
Original Assignee
Pirelli General Plc
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 Pirelli General Plc filed Critical Pirelli General Plc
Publication of BR9502393A publication Critical patent/BR9502393A/pt

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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube

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)
  • Mechanical Coupling Of Light Guides (AREA)
BR9502393A 1994-07-21 1995-07-21 Método para fabricação de pré-formas de fibra óptica,pré-formas de fibra óptica,e fibra óprica BR9502393A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9414751A GB2291643B (en) 1994-07-21 1994-07-21 Optical fibre preforms

Publications (1)

Publication Number Publication Date
BR9502393A true BR9502393A (pt) 1996-05-21

Family

ID=10758693

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9502393A BR9502393A (pt) 1994-07-21 1995-07-21 Método para fabricação de pré-formas de fibra óptica,pré-formas de fibra óptica,e fibra óprica

Country Status (7)

Country Link
US (1) US5658363A (pt)
EP (1) EP0693462B1 (pt)
BR (1) BR9502393A (pt)
CA (1) CA2154369C (pt)
ES (1) ES2145217T3 (pt)
GB (1) GB2291643B (pt)
ZA (1) ZA956062B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3406107B2 (ja) * 1995-01-31 2003-05-12 信越石英株式会社 石英ガラスの製造方法
KR0184481B1 (ko) * 1996-06-10 1999-05-15 김광호 광섬유 제조장치의 고생산성 광섬유 인출장치 및 그 인출방법
ES2262245T3 (es) * 1997-08-19 2006-11-16 Prysmian Cavi E Sistemi Energia S.R.L. Procedimiento y aparato para la fabricacion de una preforma de fibra optica.
FR2776997B1 (fr) * 1998-04-06 2000-05-12 Alsthom Cge Alcatel Dispositif de fabrication d'une preforme de fibre optique comprenant une bague pour pieger et diffuser un rayonnement lumineux
KR100306381B1 (ko) 1998-12-10 2001-11-30 윤종용 증착튜브의응축및클로징을위한광섬유모재제조장치및그방법
EP1181254B1 (en) 1999-04-26 2006-02-01 Corning Incorporated Low water peak optical waveguide fiber and method of manufacturing same
KR100342476B1 (ko) * 1999-12-10 2002-06-28 윤종용 고효율 오버 클래딩용 버너 및 이를 이용한 대구경 광섬유모재 오버 클래딩 장치
US6446468B1 (en) * 2000-08-01 2002-09-10 Fitel Usa Corp. Process for fabricating optical fiber involving overcladding during sintering
US6553174B2 (en) * 2001-04-27 2003-04-22 Corning Incorporated Optical fiber array assembly with preform for supporting fibers
CN100347109C (zh) * 2001-05-30 2007-11-07 皮雷利＆C·有限公司 光纤预制件以及光纤的制造方法
US6799440B2 (en) * 2002-02-22 2004-10-05 General Electric Company Optical fiber deposition tube fused in deuterium atmosphere for attenuation improvement
US20040144133A1 (en) * 2003-01-23 2004-07-29 Fletcher Joseph Patrick Methods for joining glass preforms in optical fiber manufacturing
CN1778738B (zh) * 2005-10-20 2010-04-28 李佳雪 太阳热水器专用玻璃管异径成型机及纯加热拉伸成型工艺
WO2012084049A1 (en) * 2010-12-23 2012-06-28 Prysmian S.P.A. Method of manufacturing an optical fibre glass preform
EP3590899A1 (en) 2016-11-22 2020-01-08 Heraeus Quartz North America LLC Upward collapse process and apparatus for making glass preforms

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475431A (en) * 1948-02-28 1949-07-05 Lurex Mfg Company Method of making tapered ground joints
NL261074A (pt) * 1958-08-11
JPS5915090B2 (ja) * 1977-07-02 1984-04-07 株式会社フジクラ 光通信用フアイバ母材の製造方法
GB2043619B (en) 1979-03-07 1983-01-26 Standard Telephones Cables Ltd Optical fibre and optical fibre preform manufacture
JPS55154335A (en) * 1979-05-21 1980-12-01 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical fiber
GB2109367B (en) 1981-11-17 1985-02-13 Pirelli General Plc Manufacture of a preform for optical fibres by the rod in tube method
JPS5915090A (ja) * 1982-07-12 1984-01-26 極東開発工業株式会社 複室タンクの排出液体混同防止装置
JPS60108334A (ja) * 1983-11-16 1985-06-13 Hitachi Cable Ltd 偏波面保存光ファイバ母材の製造方法
JPS61227938A (ja) * 1985-04-03 1986-10-11 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
DE3521119A1 (de) * 1985-06-13 1986-12-18 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur herstellung einer vorform fuer optische fasern und verwendung eines rohres aus quarzglas bzw. dotiertem quarzglas zur herstellung einer solchen vorform
US4820322A (en) * 1986-04-28 1989-04-11 American Telephone And Telegraph Company At&T Bell Laboratories Method of and apparatus for overcladding a glass rod
CA1317464C (en) * 1986-04-28 1993-05-11 William Malcolm Flegal Method of and apparatus for overcladding an optical preform rod
JPS63100033A (ja) * 1986-10-15 1988-05-02 Sumitomo Electric Ind Ltd 光フアイバ母材の製造方法
DE4005730A1 (de) * 1990-02-23 1991-08-29 Kabelmetal Electro Gmbh Vorrichtung zur herstellung einer lichtwellenleiter-vorform

Also Published As

Publication number Publication date
US5658363A (en) 1997-08-19
ES2145217T3 (es) 2000-07-01
GB9414751D0 (en) 1994-09-07
EP0693462B1 (en) 2000-03-08
GB2291643A (en) 1996-01-31
CA2154369A1 (en) 1996-01-22
ZA956062B (en) 1996-02-27
GB2291643B (en) 1998-01-28
EP0693462A1 (en) 1996-01-24
CA2154369C (en) 2000-04-04

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25D Requested change of name of applicant approved

Owner name: PRYSMIAN CABLES AND SYSTEMS LIMITED (GB)

Free format text: NOME ALTERADO DE: PIRELLI GENERAL PLC

B25G Requested change of headquarter approved

Owner name: PRYSMIAN CABLES AND SYSTEMS LIMITED (GB)

Free format text: SEDES ALTERADAS CONFORME SOLICITADO NA PETICAO NO 020080131491/RJ DE 15/10/2008.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/07/2015