DE69414283T2 - Verfahren zum Flammen polieren einer Vorform aus Glas - Google Patents

Verfahren zum Flammen polieren einer Vorform aus Glas

Info

Publication number
DE69414283T2
DE69414283T2 DE69414283T DE69414283T DE69414283T2 DE 69414283 T2 DE69414283 T2 DE 69414283T2 DE 69414283 T DE69414283 T DE 69414283T DE 69414283 T DE69414283 T DE 69414283T DE 69414283 T2 DE69414283 T2 DE 69414283T2
Authority
DE
Germany
Prior art keywords
polishing process
glass preform
flame polishing
flame
preform
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.)
Expired - Fee Related
Application number
DE69414283T
Other languages
English (en)
Other versions
DE69414283D1 (de
Inventor
Yuichi Ohga
Susumu Uchida
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12341676&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69414283(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of DE69414283D1 publication Critical patent/DE69414283D1/de
Application granted granted Critical
Publication of DE69414283T2 publication Critical patent/DE69414283T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • 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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/02—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
    • 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]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
DE69414283T 1993-02-22 1994-02-18 Verfahren zum Flammen polieren einer Vorform aus Glas Expired - Fee Related DE69414283T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03181893A JP3387137B2 (ja) 1993-02-22 1993-02-22 ガラス母材の火炎研磨方法

Publications (2)

Publication Number Publication Date
DE69414283D1 DE69414283D1 (de) 1998-12-10
DE69414283T2 true DE69414283T2 (de) 1999-04-29

Family

ID=12341676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414283T Expired - Fee Related DE69414283T2 (de) 1993-02-22 1994-02-18 Verfahren zum Flammen polieren einer Vorform aus Glas

Country Status (7)

Country Link
US (1) US5674305A (de)
EP (1) EP0612700B1 (de)
JP (1) JP3387137B2 (de)
KR (1) KR970006994B1 (de)
CN (1) CN1045577C (de)
AU (1) AU671698B2 (de)
DE (1) DE69414283T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314638A1 (de) * 1993-05-04 1994-11-10 Rheydt Kabelwerk Ag Vorrichtung und Verfahren zum Erhitzen eines langgestreckten Glaskörpers
DE19513862C2 (de) * 1995-04-12 1997-12-18 Alcatel Kabel Ag Verfahren und Vorrichtung zum Feuerpolieren eines langgestreckten Glaskörpers
FR2753699B1 (fr) * 1996-09-24 1998-11-20 Procede de fabrication d'une preforme pour fibre optique
JP3274821B2 (ja) * 1997-06-27 2002-04-15 信越化学工業株式会社 光ファイバプリフォームの溶断方法及びその溶断装置
US6532776B1 (en) 1997-06-27 2003-03-18 Shin-Etsu Chemical Co., Ltd. Method and apparatus for fusing an optical fiber preform
EP0999189B1 (de) * 1998-11-05 2005-03-30 Shin-Etsu Chemical Co., Ltd. Verfahren und Vorrichtung zum Ziehen einer Vorform und zum Ziehen einer optischen Faser aus der gezogenen Vorform
JP3017989B1 (ja) * 1999-01-19 2000-03-13 信越化学工業株式会社 光ファイバ母材の熱処理方法
US6732549B1 (en) * 2000-08-01 2004-05-11 Lucent Technologies Inc. Multi-pass sintering of a sol-gel body through a hot zone
AU774859B2 (en) * 2000-10-30 2004-07-08 Sumitomo Electric Industries, Ltd. Method of manufacturing optical fiber preform
WO2003004426A1 (fr) * 2001-07-06 2003-01-16 Fujikura Ltd. Procede de fabrication d'une preforme de fibre optique
JP4628613B2 (ja) * 2001-09-11 2011-02-09 株式会社フジクラ 光ファイバプリフォームの火炎研磨方法
KR20030077881A (ko) * 2002-03-27 2003-10-04 엘지전선 주식회사 소결용 커플러 결합장치
JP4498917B2 (ja) * 2004-12-28 2010-07-07 株式会社フジクラ ガラス棒状体の製造方法
JP6006186B2 (ja) * 2012-09-28 2016-10-12 信越化学工業株式会社 光ファイバ用多孔質ガラス堆積体の製造方法
JP5854964B2 (ja) * 2012-10-05 2016-02-09 信越化学工業株式会社 ガラス母材の吊下げ機構
CN108249752B (zh) * 2016-03-31 2020-07-03 杭州富通通信技术股份有限公司 光纤的制造方法
CN108383372B (zh) * 2016-03-31 2020-08-21 杭州富通通信技术股份有限公司 光纤的加工工艺
CN108253417A (zh) * 2018-03-08 2018-07-06 广州荣誉国际电工有限公司 一种采用人工热等离子体火焰和氢氧火焰联合的催化燃烧器和方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485613A (en) * 1967-11-06 1969-12-23 Corning Glass Works Method of producing a vitreous body by crucibleless fluid zone treatment
US3652248A (en) * 1970-06-09 1972-03-28 Edward J Mellen Jr Process for redrawing silica glass rods
US3811857A (en) * 1971-11-17 1974-05-21 E Deeg Method for fire polishing optical glass lenses with plasma flames
US3961926A (en) * 1974-12-27 1976-06-08 International Telephone And Telegraph Corporation Preparation of germania cores in optical fibers
US4338114A (en) * 1980-08-21 1982-07-06 Liberty Glass Company Laser treatment method for imparting increased mechanical strength to glass objects
US4477273A (en) * 1982-06-15 1984-10-16 At&T Technologies, Inc. Method of and apparatus for straightening and configuring a preform tube from which lightguide fiber is drawn
DE3400710A1 (de) * 1984-01-11 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Gasbrenner zum aeusseren beheizen von glaskoerpern
JP2683757B2 (ja) * 1988-12-15 1997-12-03 住友電気工業株式会社 ガラス母材の支持方法及びその支持構造
JPH03228844A (ja) * 1990-01-31 1991-10-09 Fujikura Ltd 光ファイバ母材の加工方法
FR2657864B1 (fr) * 1990-02-02 1992-04-10 Alsthom Cge Alcatel Procede de fabrication de preformes pour fibres optiques de caracteristiques regulieres.
JPH0422439A (ja) * 1990-05-17 1992-01-27 Sumitomo Chem Co Ltd 有機化合物又はその溶液の精製法
AU1810392A (en) * 1991-06-19 1992-12-24 Sumitomo Electric Industries, Ltd. Apparatus for supporting article in heating furnace
JPH06157058A (ja) * 1991-06-20 1994-06-03 Sumitomo Electric Ind Ltd ガラス母材の火炎研磨方法
JP2553791B2 (ja) * 1991-07-26 1996-11-13 住友電気工業株式会社 ガラス母材の火炎研磨方法

Also Published As

Publication number Publication date
KR940019626A (ko) 1994-09-14
EP0612700A1 (de) 1994-08-31
JPH06247735A (ja) 1994-09-06
JP3387137B2 (ja) 2003-03-17
US5674305A (en) 1997-10-07
CN1045577C (zh) 1999-10-13
AU671698B2 (en) 1996-09-05
KR970006994B1 (ko) 1997-05-01
DE69414283D1 (de) 1998-12-10
CN1096013A (zh) 1994-12-07
EP0612700B1 (de) 1998-11-04
AU5515694A (en) 1994-08-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee