EP0963356A4 - Apparatus and method for reducing breakage of fibers drawn from blanks - Google Patents

Apparatus and method for reducing breakage of fibers drawn from blanks

Info

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Withdrawn
Application number
EP97910815A
Other languages
German (de)
French (fr)
Other versions
EP0963356A1 (en
Inventor
Julian L Dunn
G Scott Glaesemann
James E Dickinson Jr
Bruce W Reding
James A Snipes
Donald J Wissuchek Jr
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.)
Corning Inc
Original Assignee
Corning Inc
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 Corning Inc filed Critical Corning Inc
Publication of EP0963356A1 publication Critical patent/EP0963356A1/en
Publication of EP0963356A4 publication Critical patent/EP0963356A4/en
Withdrawn legal-status Critical Current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
    • C03B37/01—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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Inorganic Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP97910815A 1996-10-25 1997-10-03 Apparatus and method for reducing breakage of fibers drawn from blanks Withdrawn EP0963356A4 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (11)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
JP2001507663A (en) 2001-06-12
EP0963356A1 (en) 1999-12-15
AU4809597A (en) 1998-05-22
WO1998018733A1 (en) 1998-05-07
AU734480B2 (en) 2001-06-14
CA2267970A1 (en) 1998-05-07

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Legal Events

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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

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