ZA956062B - Optical fibre preforms - Google Patents
Optical fibre preformsInfo
- Publication number
- ZA956062B ZA956062B ZA956062A ZA956062A ZA956062B ZA 956062 B ZA956062 B ZA 956062B ZA 956062 A ZA956062 A ZA 956062A ZA 956062 A ZA956062 A ZA 956062A ZA 956062 B ZA956062 B ZA 956062B
- Authority
- ZA
- South Africa
- Prior art keywords
- optical fibre
- fibre preforms
- preforms
- optical
- fibre
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title 1
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)
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 |
---|---|
ZA956062B true ZA956062B (en) | 1996-02-27 |
Family
ID=10758693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA956062A ZA956062B (en) | 1994-07-21 | 1995-07-20 | Optical fibre preforms |
Country Status (7)
Country | Link |
---|---|
US (1) | US5658363A (xx) |
EP (1) | EP0693462B1 (xx) |
BR (1) | BR9502393A (xx) |
CA (1) | CA2154369C (xx) |
ES (1) | ES2145217T3 (xx) |
GB (1) | GB2291643B (xx) |
ZA (1) | ZA956062B (xx) |
Families Citing this family (15)
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 |
AU4973100A (en) | 1999-04-26 | 2000-11-10 | 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 |
WO2002096816A1 (en) * | 2001-05-30 | 2002-12-05 | Pirelli & C. S.P.A. | Method of manufacturing glass optical fibre preforms and optical fibres |
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 |
EP3323791B1 (en) | 2016-11-22 | 2019-08-28 | Heraeus Quartz North America LLC | Upward collapse process and apparatus for making glass preforms |
Family Cites Families (14)
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 (xx) * | 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 |
CA1317464C (en) * | 1986-04-28 | 1993-05-11 | William Malcolm Flegal | Method of and apparatus for overcladding an optical preform rod |
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 |
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 |
-
1994
- 1994-07-21 GB GB9414751A patent/GB2291643B/en not_active Expired - Fee Related
-
1995
- 1995-07-07 EP EP95304773A patent/EP0693462B1/en not_active Expired - Lifetime
- 1995-07-07 ES ES95304773T patent/ES2145217T3/es not_active Expired - Lifetime
- 1995-07-10 US US08/500,442 patent/US5658363A/en not_active Expired - Lifetime
- 1995-07-20 ZA ZA956062A patent/ZA956062B/xx unknown
- 1995-07-20 CA CA002154369A patent/CA2154369C/en not_active Expired - Lifetime
- 1995-07-21 BR BR9502393A patent/BR9502393A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2154369A1 (en) | 1996-01-22 |
EP0693462A1 (en) | 1996-01-24 |
US5658363A (en) | 1997-08-19 |
GB2291643A (en) | 1996-01-31 |
ES2145217T3 (es) | 2000-07-01 |
GB2291643B (en) | 1998-01-28 |
EP0693462B1 (en) | 2000-03-08 |
GB9414751D0 (en) | 1994-09-07 |
BR9502393A (pt) | 1996-05-21 |
CA2154369C (en) | 2000-04-04 |
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