EP0963356A4 - Apparatus and method for reducing breakage of fibers drawn from blanks - Google Patents
Apparatus and method for reducing breakage of fibers drawn from blanksInfo
- Publication number
- EP0963356A4 EP0963356A4 EP97910815A EP97910815A EP0963356A4 EP 0963356 A4 EP0963356 A4 EP 0963356A4 EP 97910815 A EP97910815 A EP 97910815A EP 97910815 A EP97910815 A EP 97910815A EP 0963356 A4 EP0963356 A4 EP 0963356A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- blanks
- fibers drawn
- reducing breakage
- breakage
- reducing
- 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.)
- Withdrawn
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
- C03B37/01202—Means for storing or carrying optical fibre preforms, e.g. containers
-
- 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
- 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
- C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
-
- 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
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- 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
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Inorganic Fibers (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2931896P | 1996-10-25 | 1996-10-25 | |
US29318P | 1996-10-25 | ||
PCT/US1997/018041 WO1998018733A1 (en) | 1996-10-25 | 1997-10-03 | Apparatus and method for reducing breakage of fibers drawn from blanks |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0963356A1 EP0963356A1 (en) | 1999-12-15 |
EP0963356A4 true EP0963356A4 (en) | 2000-06-14 |
Family
ID=21848422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97910815A Withdrawn EP0963356A4 (en) | 1996-10-25 | 1997-10-03 | Apparatus and method for reducing breakage of fibers drawn from blanks |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0963356A4 (en) |
JP (1) | JP2001507663A (en) |
AU (1) | AU734480B2 (en) |
CA (1) | CA2267970A1 (en) |
WO (1) | WO1998018733A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3575788B2 (en) * | 1999-02-24 | 2004-10-13 | 信越化学工業株式会社 | Packaging method for quartz glass preform for optical fiber |
US6189341B1 (en) * | 1999-05-06 | 2001-02-20 | Lucent Technologies Inc. | Method of making an optical fiber with digestion of retracting particles on the preform |
US6266980B1 (en) * | 1999-10-28 | 2001-07-31 | Corning Incorporated | Centerline protection using heavy inert gases |
US6546756B1 (en) | 1999-12-27 | 2003-04-15 | Corning Incorporated | Method of making an optical fiber, with storage in a new bag |
US20020005051A1 (en) | 2000-04-28 | 2002-01-17 | Brown John T. | Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same |
US6813908B2 (en) | 2000-12-22 | 2004-11-09 | Corning Incorporated | Treating an optical fiber preform with carbon monoxide |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57191244A (en) * | 1981-05-21 | 1982-11-25 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber |
JPS6051630A (en) * | 1983-08-31 | 1985-03-23 | Furukawa Electric Co Ltd:The | Preparation of optical fiber |
JPS60155541A (en) * | 1984-01-23 | 1985-08-15 | Furukawa Electric Co Ltd:The | Heating furnace for drawing optical glass rod |
JPH02204339A (en) * | 1989-02-02 | 1990-08-14 | Sumitomo Electric Ind Ltd | Heating furnace for producing high-purity quartz base material |
JPH03237027A (en) * | 1990-02-09 | 1991-10-22 | Furukawa Electric Co Ltd:The | Heat treatment of porous glass preform |
US5059229A (en) * | 1990-09-24 | 1991-10-22 | Corning Incorporated | Method for producing optical fiber in a hydrogen atmosphere to prevent attenuation |
JPH0524874A (en) * | 1991-07-19 | 1993-02-02 | Furukawa Electric Co Ltd:The | Production of glass preform for optical fiber |
EP0567961A1 (en) * | 1992-05-01 | 1993-11-03 | Corning Incorporated | Method and apparatus for drawing optical fibers |
JPH061630A (en) * | 1992-06-19 | 1994-01-11 | Fujikura Ltd | Production of optical fiber base material |
JPH06199536A (en) * | 1993-01-05 | 1994-07-19 | Sumitomo Electric Ind Ltd | Optical fiber drawing furnace |
JPH08133776A (en) * | 1994-11-02 | 1996-05-28 | Fujikura Ltd | Production of optical fiber preform and sintering furnace |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4236930A (en) * | 1978-06-09 | 1980-12-02 | Macedo Pedro B | Optical waveguide and method and compositions for producing same |
NL8601830A (en) * | 1986-07-14 | 1988-02-01 | Philips Nv | METHOD FOR MANUFACTURING OPTICAL FIBERS WITH A CORE AND GLASS COATING USING THE BAR IN TUBE TECHNOLOGY |
-
1997
- 1997-10-03 CA CA002267970A patent/CA2267970A1/en not_active Abandoned
- 1997-10-03 WO PCT/US1997/018041 patent/WO1998018733A1/en not_active Application Discontinuation
- 1997-10-03 AU AU48095/97A patent/AU734480B2/en not_active Ceased
- 1997-10-03 JP JP52049298A patent/JP2001507663A/en active Pending
- 1997-10-03 EP EP97910815A patent/EP0963356A4/en not_active Withdrawn
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57191244A (en) * | 1981-05-21 | 1982-11-25 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber |
JPS6051630A (en) * | 1983-08-31 | 1985-03-23 | Furukawa Electric Co Ltd:The | Preparation of optical fiber |
JPS60155541A (en) * | 1984-01-23 | 1985-08-15 | Furukawa Electric Co Ltd:The | Heating furnace for drawing optical glass rod |
JPH02204339A (en) * | 1989-02-02 | 1990-08-14 | Sumitomo Electric Ind Ltd | Heating furnace for producing high-purity quartz base material |
JPH03237027A (en) * | 1990-02-09 | 1991-10-22 | Furukawa Electric Co Ltd:The | Heat treatment of porous glass preform |
US5059229A (en) * | 1990-09-24 | 1991-10-22 | Corning Incorporated | Method for producing optical fiber in a hydrogen atmosphere to prevent attenuation |
JPH0524874A (en) * | 1991-07-19 | 1993-02-02 | Furukawa Electric Co Ltd:The | Production of glass preform for optical fiber |
EP0567961A1 (en) * | 1992-05-01 | 1993-11-03 | Corning Incorporated | Method and apparatus for drawing optical fibers |
JPH061630A (en) * | 1992-06-19 | 1994-01-11 | Fujikura Ltd | Production of optical fiber base material |
JPH06199536A (en) * | 1993-01-05 | 1994-07-19 | Sumitomo Electric Ind Ltd | Optical fiber drawing furnace |
JPH08133776A (en) * | 1994-11-02 | 1996-05-28 | Fujikura Ltd | Production of optical fiber preform and sintering furnace |
Non-Patent Citations (10)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 14, no. 492 26 October 1990 (1990-10-26) * |
PATENT ABSTRACTS OF JAPAN vol. 16, no. 20 20 January 1992 (1992-01-20) * |
PATENT ABSTRACTS OF JAPAN vol. 17, no. 303 10 June 1993 (1993-06-10) * |
PATENT ABSTRACTS OF JAPAN vol. 18, no. 198 7 April 1994 (1994-04-07) * |
PATENT ABSTRACTS OF JAPAN vol. 18, no. 558 25 October 1994 (1994-10-25) * |
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 9 30 September 1996 (1996-09-30) * |
PATENT ABSTRACTS OF JAPAN vol. 7, no. 39 17 February 1983 (1983-02-17) * |
PATENT ABSTRACTS OF JAPAN vol. 9, no. 184 30 July 1985 (1985-07-30) * |
PATENT ABSTRACTS OF JAPAN vol. 9, no. 324 19 December 1985 (1985-12-19) * |
See also references of WO9818733A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1998018733A1 (en) | 1998-05-07 |
JP2001507663A (en) | 2001-06-12 |
AU734480B2 (en) | 2001-06-14 |
CA2267970A1 (en) | 1998-05-07 |
EP0963356A1 (en) | 1999-12-15 |
AU4809597A (en) | 1998-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19990524 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT NL |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20000502 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE FR GB IT NL |
|
RIC1 | Information provided on ipc code assigned before grant |
Free format text: 7C 03B 37/027 A, 7C 03B 37/012 B, 7C 03B 37/014 B |
|
17Q | First examination report despatched |
Effective date: 20010124 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CORNING INCORPORATED |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CORNING INCORPORATED |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20031002 |