HK1001458A1 - A method for elongating a glass preform - Google Patents

A method for elongating a glass preform

Info

Publication number
HK1001458A1
HK1001458A1 HK98100440A HK98100440A HK1001458A1 HK 1001458 A1 HK1001458 A1 HK 1001458A1 HK 98100440 A HK98100440 A HK 98100440A HK 98100440 A HK98100440 A HK 98100440A HK 1001458 A1 HK1001458 A1 HK 1001458A1
Authority
HK
Hong Kong
Prior art keywords
elongating
glass preform
preform
glass
Prior art date
Application number
HK98100440A
Other languages
English (en)
Inventor
Sumio Hoshino
Yuichi Ohga
Masumi Ito
Toshio Danzuka
Tatsuhiko Saito
Original Assignee
Sumitomo Electric Industries
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 filed Critical Sumitomo Electric Industries
Publication of HK1001458A1 publication Critical patent/HK1001458A1/xx

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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by 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
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
HK98100440A 1995-12-06 1998-01-19 A method for elongating a glass preform HK1001458A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31781095 1995-12-06

Publications (1)

Publication Number Publication Date
HK1001458A1 true HK1001458A1 (en) 1998-06-19

Family

ID=18092301

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100440A HK1001458A1 (en) 1995-12-06 1998-01-19 A method for elongating a glass preform

Country Status (7)

Country Link
US (1) US5755849A (zh)
KR (1) KR100187597B1 (zh)
CN (1) CN1069607C (zh)
AU (1) AU706215B2 (zh)
GB (1) GB2307907B (zh)
HK (1) HK1001458A1 (zh)
SE (1) SE511083C2 (zh)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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US6178778B1 (en) 1996-12-09 2001-01-30 Shin-Etsu Chemical Co., Ltd. Method of stretching an optical fiber preform with monitoring the diameter at two locations
US6535679B2 (en) * 1997-01-16 2003-03-18 Sumitomo Electric Industries, Ltd. Optical fiber and method of manufacturing the same
US6279353B1 (en) * 1997-03-25 2001-08-28 The Furukawa Electric Co., Ltd. Electric furnace extension method and extension apparatus for optical fiber glass preform
JP3159116B2 (ja) * 1997-04-11 2001-04-23 住友電気工業株式会社 ガラス母材の延伸機および延伸方法
US5968221A (en) * 1997-04-28 1999-10-19 Corning, Incorporated Method of controlling the diameter of a fiber preform including forming a gob on the end and pulling the gob
DE69800722T2 (de) * 1997-05-30 2001-08-02 Shinetsu Chemical Co Verfahren zum Ziehen einer Glasvorform zu einem Stab
EP1655271A3 (en) * 1997-06-19 2006-06-07 Shin-Etsu Chemical Company, Ltd. Method and apparatus for drawing a class ingot
US6532776B1 (en) * 1997-06-27 2003-03-18 Shin-Etsu Chemical Co., Ltd. Method and apparatus for fusing an optical fiber preform
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
JP3777746B2 (ja) * 1997-09-26 2006-05-24 住友電気工業株式会社 ガラス母材の延伸方法
DE69931825T8 (de) * 1998-11-05 2007-09-20 Shin-Etsu Chemical Co., Ltd. Verfahren und Vorrichtung zum Herstellen einer Vorform und einer optischen Faser aus der Vorform
JP3812357B2 (ja) * 2001-03-30 2006-08-23 住友電気工業株式会社 光ファイバ母材の延伸方法及び延伸装置
KR100987866B1 (ko) * 2002-06-19 2010-10-13 스미토모 덴키 고교 가부시키가이샤 유리 모재의 연신 방법 및 이것에 이용되는 연신 장치
KR100492964B1 (ko) * 2002-07-29 2005-06-07 삼성전자주식회사 광섬유 인출장치 및 광섬유 모재 급송속도 제어방법
EP1525167A1 (en) * 2002-07-30 2005-04-27 Pirelli & C. S.p.A. Process and apparatus for elongating an optical fibre preform
FI20021564A0 (fi) * 2002-09-02 2002-09-02 Nextrom Holding Sa Sovitelma preformin valmistamiseksi
JP2004244261A (ja) * 2003-02-13 2004-09-02 Sumitomo Electric Ind Ltd ガラス母材の延伸方法
DE10357063B3 (de) * 2003-12-04 2005-04-21 Heraeus Tenevo Ag Vertikalziehverfahren zur Herstellung eines zylinderförmigen Glaskörpers und Vorrichtung zur Durchführung des Verfahrens
CN100560523C (zh) * 2005-04-13 2009-11-18 富通集团有限公司 一种改善预制棒截止波长的生产工艺
GB0809441D0 (en) * 2008-05-23 2008-07-02 Pittsburgh Corning Europ Nv Cellular ceramic plates with adapted physical properties
JP5345352B2 (ja) * 2008-08-04 2013-11-20 株式会社フジクラ 光ファイバ用母材の製造方法
CN101481208B (zh) * 2009-02-09 2011-05-18 富通集团有限公司 一种玻璃预制棒的拉伸方法
WO2010116439A1 (ja) * 2009-03-30 2010-10-14 東洋ガラス株式会社 Ｇｒｉｎレンズ・ファイバの線引き方法
CN101907741B (zh) * 2010-06-29 2012-08-08 上海大学 光锥制作在线检测和控制装置及其操作方法
JP5576343B2 (ja) * 2010-09-08 2014-08-20 信越化学工業株式会社 ガラスロッドの製造装置および製造方法
JP5576342B2 (ja) * 2010-09-08 2014-08-20 信越化学工業株式会社 ガラスロッドの製造装置および製造方法
CN102303950B (zh) * 2011-08-19 2013-03-20 长飞光纤光缆有限公司 一种大尺寸光纤预制棒拉制光纤的方法及其辅助装置
CN103121660B (zh) * 2013-03-06 2015-10-28 江苏科技大学 面向微流体系统的玻璃基仿生微通道加工装置及加工方法
CN105217951B (zh) * 2015-09-21 2017-11-17 长飞光纤光缆股份有限公司 一种光纤预制棒的垂直拉伸方法及设备
CN109226302B (zh) * 2017-02-27 2020-04-14 天津富通集团有限公司 预制棒加工方法
CN109796126B (zh) * 2019-04-03 2021-09-14 湖北戈碧迦光电科技股份有限公司 一种玻璃成型设备
CN111320372B (zh) * 2020-03-30 2021-08-03 长飞光纤光缆股份有限公司 一种光纤母材的拉伸装置和方法
JP2022116706A (ja) * 2021-01-29 2022-08-10 信越化学工業株式会社 ガラス母材の延伸方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166395A (en) * 1958-06-03 1965-01-19 American Optical Corp Methods of making fiber optical devices
US3562792A (en) * 1968-06-04 1971-02-09 Clevite Corp Piezoelectric transformer
US3660699A (en) * 1969-08-06 1972-05-02 Denki Onkyo Co Ltd Supporting means for piezoelectric transformers
US3932162A (en) * 1974-06-21 1976-01-13 Corning Glass Works Method of making glass optical waveguide
US4046536A (en) * 1976-08-13 1977-09-06 Western Electric Company, Inc. Monitoring and control of optical fiber diameters
US4163370A (en) * 1977-11-21 1979-08-07 Corning Glass Works Controlling the drawing rollers to produce diameter perturbations in an optical waveguide
FR2464925A1 (fr) * 1979-09-06 1981-03-20 Thomson Csf Procede de controle du tirage d'une fibre optique a partir d'une preforme de verre et systeme de mise en oeuvre d'un tel procede
JPS5918325B2 (ja) * 1979-09-20 1984-04-26 日本電信電話株式会社 光ファイバ母材の製造方法
US4631079A (en) * 1984-09-26 1986-12-23 At&T Technologies, Inc. Method for stretching a glass rod
US4704151A (en) * 1985-08-15 1987-11-03 Corning Glass Works Method for drawing fiber optic coupler
IN169141B (zh) * 1985-08-21 1991-09-07 Stc Plc
US4875916A (en) * 1986-11-07 1989-10-24 American Telephone And Telegraph Company, At&T Technologies, Inc. Methods of adjusting the configuration of optical substrates
US4810276A (en) * 1987-08-05 1989-03-07 Corning Glass Works Forming optical fiber having abrupt index change
US5211732A (en) * 1990-09-20 1993-05-18 Corning Incorporated Method for forming a porous glass preform
US5371430A (en) * 1991-02-12 1994-12-06 Fujitsu Limited Piezoelectric transformer producing an output A.C. voltage with reduced distortion
JPH04331734A (ja) * 1991-04-27 1992-11-19 Fujikura Ltd 光ファイバ母材の延伸方法
US5320660A (en) * 1991-09-03 1994-06-14 U.S. Philips Corporation Method of manufacturing an optical fibre
JP2730378B2 (ja) * 1992-02-14 1998-03-25 日本電気株式会社 圧電トランスおよびその駆動方法
DE69305315T2 (de) * 1992-12-31 1997-03-06 Nippon Electric Co Piezoelektrischer Transformator mit verbesserter Elektrodenanordnung
JP2536379B2 (ja) * 1992-12-31 1996-09-18 日本電気株式会社 圧電トランス
US5504384A (en) * 1993-06-23 1996-04-02 Industrial Technology Research Institute Multi-mode adjustable piezoelectric transformer
US5443610A (en) * 1994-01-29 1995-08-22 Corning Incorporated Apparatus for controlling fiber diameter during drawing

Also Published As

Publication number Publication date
SE511083C2 (sv) 1999-08-02
US5755849A (en) 1998-05-26
CN1069607C (zh) 2001-08-15
SE9604297L (sv) 1997-06-07
GB2307907A (en) 1997-06-11
GB2307907B (en) 1999-07-28
GB9625272D0 (en) 1997-01-22
KR100187597B1 (ko) 1999-06-01
CN1157805A (zh) 1997-08-27
AU706215B2 (en) 1999-06-10
SE9604297D0 (sv) 1996-11-22
KR970042348A (ko) 1997-07-24
AU7405496A (en) 1997-06-12

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20041204