DE69216481T2 - Verfahren zum Flammenpolieren einer Vorform aus Glas - Google Patents

Verfahren zum Flammenpolieren einer Vorform aus Glas

Info

Publication number
DE69216481T2
DE69216481T2 DE69216481T DE69216481T DE69216481T2 DE 69216481 T2 DE69216481 T2 DE 69216481T2 DE 69216481 T DE69216481 T DE 69216481T DE 69216481 T DE69216481 T DE 69216481T DE 69216481 T2 DE69216481 T2 DE 69216481T2
Authority
DE
Germany
Prior art keywords
glass preform
flame polishing
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
DE69216481T
Other languages
English (en)
Other versions
DE69216481D1 (de
Inventor
Yuichi Ohga
Toshio Danzuka
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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of DE69216481D1 publication Critical patent/DE69216481D1/de
Application granted granted Critical
Publication of DE69216481T2 publication Critical patent/DE69216481T2/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
    • C03B37/10—Non-chemical treatment
    • C03B37/12—Non-chemical treatment of fibres or filaments during winding up
    • 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
    • C03B37/01205—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
    • C03B37/01228—Removal of preform material
    • C03B37/01237—Removal of preform material to modify the diameter by heat-polishing, e.g. fire-polishing
    • 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
    • C03B37/01257—Heating devices therefor
DE69216481T 1991-06-20 1992-06-19 Verfahren zum Flammenpolieren einer Vorform aus Glas Expired - Fee Related DE69216481T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3148609A JPH06157058A (ja) 1991-06-20 1991-06-20 ガラス母材の火炎研磨方法

Publications (2)

Publication Number Publication Date
DE69216481D1 DE69216481D1 (de) 1997-02-20
DE69216481T2 true DE69216481T2 (de) 1997-05-28

Family

ID=15456608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216481T Expired - Fee Related DE69216481T2 (de) 1991-06-20 1992-06-19 Verfahren zum Flammenpolieren einer Vorform aus Glas

Country Status (7)

Country Link
US (1) US5685889A (de)
EP (1) EP0519479B1 (de)
JP (1) JPH06157058A (de)
KR (1) KR950006197B1 (de)
AU (1) AU649840B2 (de)
CA (1) CA2071693C (de)
DE (1) DE69216481T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3387137B2 (ja) * 1993-02-22 2003-03-17 住友電気工業株式会社 ガラス母材の火炎研磨方法
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
JP3521681B2 (ja) 1996-08-13 2004-04-19 住友電気工業株式会社 光ファイバ母材の製造方法
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
EP0899243A1 (de) * 1997-08-28 1999-03-03 Lucent Technologies Inc. Verfahren zum Ziehen einer optischen Faser aus einer Vorform grosses Diameters
FR2773795B1 (fr) * 1998-01-22 2000-02-11 Alsthom Cge Alcatel Procede de fibrage semi-continu de preformes comportant une etape de prechauffage
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
JP4509283B2 (ja) * 2000-03-06 2010-07-21 信越化学工業株式会社 光ファイバ母材の熱加工方法
JP5916967B2 (ja) * 2014-01-07 2016-05-11 古河電気工業株式会社 光ファイバ母材の製造方法および光ファイバの製造方法
WO2020180466A1 (en) 2019-03-05 2020-09-10 Corning Incorporated System and methods for processing an optical fiber preform
KR102450540B1 (ko) * 2022-03-08 2022-09-30 곽일남 박스 제조장치 및 시스템

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309333A (en) * 1970-01-19 1973-03-07 Glaverbel Process for bending glass
GB1359166A (en) * 1971-05-21 1974-07-10 Glaverbel Panels incorporating a glass or vitrocrystalline sheet and the manufacture thereof
US3811857A (en) * 1971-11-17 1974-05-21 E Deeg Method for fire polishing optical glass lenses with plasma flames
SU814910A1 (ru) * 1975-12-15 1981-03-23 Дятьковский Ордена Трудовогокрасного Знамени Хрустальныйзавод Способ полировки изделий из свинцовогоСТЕКлА
SU775057A1 (ru) * 1978-11-09 1980-10-30 Проектно-конструкторское бюро Гусевского филиала Государственного научно-исследовательского института стекла Способ огневой полировки стеклоизделий
US4338114A (en) * 1980-08-21 1982-07-06 Liberty Glass Company Laser treatment method for imparting increased mechanical strength to glass objects
JPS58104034A (ja) * 1981-12-14 1983-06-21 Sumitomo Electric Ind Ltd 高強度の光フアイバの製造方法
DE3207274C1 (de) * 1982-03-01 1983-04-07 Achthal-Maschinenbau-GmbH, 8012 Ottobrunn Verfahren zum Polieren von vorgeschliffenen Oberflaechen an Werkstuecken aus Glas
US4491463A (en) * 1983-07-26 1985-01-01 Olin Corporation Laser sizing method and apparatus for fiber optic buffers
FR2589461B1 (fr) * 1985-10-31 1992-07-24 Fibres Optiques Ind Procede de fabrication d'elements etires a base de silice et elements obtenus
NL8601830A (nl) * 1986-07-14 1988-02-01 Philips Nv Werkwijze voor de vervaardiging van optische vezels met een kern en een mantel uit glas onder toepassing van de staaf in buistechniek.
JPS6335431A (ja) * 1986-07-29 1988-02-16 Furukawa Electric Co Ltd:The 光フアイバ母材の製造方法
JPH0615415B2 (ja) * 1987-10-09 1994-03-02 株式会社フジクラ 光ファイバプリフォームの表面処理法
JPH02258643A (ja) * 1989-03-31 1990-10-19 Fujikura Ltd 光ファイバ母材
US5086352A (en) * 1989-06-09 1992-02-04 Shin-Etsu Quartz Products Co., Ltd. Optical members and blanks or synthetic silica glass and method for their production
JPH03187944A (ja) * 1989-12-15 1991-08-15 Sumitomo Electric Ind Ltd ガラス体の加熱処理方法
FR2657864B1 (fr) * 1990-02-02 1992-04-10 Alsthom Cge Alcatel Procede de fabrication de preformes pour fibres optiques de caracteristiques regulieres.
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
CA2071693C (en) 1996-12-24
CA2071693A1 (en) 1992-12-21
JPH06157058A (ja) 1994-06-03
KR930000403A (ko) 1993-01-15
EP0519479A2 (de) 1992-12-23
EP0519479A3 (en) 1993-02-24
US5685889A (en) 1997-11-11
DE69216481D1 (de) 1997-02-20
EP0519479B1 (de) 1997-01-08
AU1825392A (en) 1992-12-24
KR950006197B1 (ko) 1995-06-12
AU649840B2 (en) 1994-06-02

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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