ZA956062B - Optical fibre preforms - Google Patents

Optical fibre preforms

Info

Publication number: ZA956062B
Authority: ZA; South Africa
Prior art keywords: optical fibre; fibre preforms; preforms; optical; fibre
Prior art date: 1994-07-21

Application number

ZA956062A

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.)

1994-07-21

Filing date

1995-07-20

Publication date

1996-02-27

1995-07-20 Application filed by Pirelli General Plc filed Critical Pirelli General Plc

1996-02-27 Publication of ZA956062B publication Critical patent/ZA956062B/xx

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)

ZA956062A 1994-07-21 1995-07-20 Optical fibre preforms ZA956062B (en)

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)

* 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
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)

* 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 (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

Publication	Publication Date	Title
GB2293822B (en)	1996-12-11	Optical fibre preforms
GB2288939B (en)	1998-10-14	Fibre optic module
GB9409033D0 (en)	1994-06-29	Optical fibre laser
GB9416462D0 (en)	1994-10-05	Guiding optical fibres
EP0759569A4 (en)	1997-06-11	LENSED FIBER
GB9323226D0 (en)	1994-01-05	Optical fibre elements
GB2307908A8 (en)	1997-10-08	Making an optical fibre preform
GB2291643B (en)	1998-01-28	Optical fibre preforms
GB2312296B (en)	1999-12-29	Optical fiber switch
GB2284206B (en)	1997-11-12	Optical fibre preforms
IL126125A0 (en)	1999-05-09	Optical lens preforms
EP0732603A3 (en)	1997-08-27	Alignment of optical fibers
IL112089A0 (en)	1995-12-08	Packaged optical fiber
GB9408292D0 (en)	1994-06-15	Optical fibre protector
GB9623602D0 (en)	1997-01-08	Optical fiber core
GB2289805B (en)	1997-10-15	Blowing an optical fibre element
EP0729594A4 (en)	1997-07-02	OPTICAL FIBER COUPLERS
GB2283831B (en)	1996-11-06	Optical fibre elements
GB9313915D0 (en)	1993-08-18	Fibre optic components
GB9621907D0 (en)	1996-12-11	Optical fibre arrangement
GB9304353D0 (en)	1993-04-21	Fibre optic link
GB2322749B (en)	1998-10-14	Fiber optic module
GB2289804B (en)	1997-11-05	Supporting optical fibre units
GB9403342D0 (en)	1994-04-13	Fibre optic illuminator
HRP940273A2 (en)	1996-08-31	Optical fibre distribution centre