[go: up one dir, main page]

FR2808793B1 - MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM - Google Patents

MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM

Info

Publication number
FR2808793B1
FR2808793B1 FR0006143A FR0006143A FR2808793B1 FR 2808793 B1 FR2808793 B1 FR 2808793B1 FR 0006143 A FR0006143 A FR 0006143A FR 0006143 A FR0006143 A FR 0006143A FR 2808793 B1 FR2808793 B1 FR 2808793B1
Authority
FR
France
Prior art keywords
helium
recycling
purification
manufacture
cooled fiber
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.)
Expired - Fee Related
Application number
FR0006143A
Other languages
French (fr)
Other versions
FR2808793A1 (en
Inventor
Frederic Castellanet
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR0006143A priority Critical patent/FR2808793B1/en
Publication of FR2808793A1 publication Critical patent/FR2808793A1/en
Application granted granted Critical
Publication of FR2808793B1 publication Critical patent/FR2808793B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03B37/014—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]
    • C03B37/01413—Reactant delivery systems
    • 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
    • C03B37/02—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
    • C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/57—Recovering, recycling or purifying the coolant, e.g. helium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR0006143A 2000-05-15 2000-05-15 MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM Expired - Fee Related FR2808793B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0006143A FR2808793B1 (en) 2000-05-15 2000-05-15 MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0006143A FR2808793B1 (en) 2000-05-15 2000-05-15 MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM

Publications (2)

Publication Number Publication Date
FR2808793A1 FR2808793A1 (en) 2001-11-16
FR2808793B1 true FR2808793B1 (en) 2002-09-27

Family

ID=8850212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0006143A Expired - Fee Related FR2808793B1 (en) 2000-05-15 2000-05-15 MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM

Country Status (1)

Country Link
FR (1) FR2808793B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8444749B2 (en) 2009-06-10 2013-05-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and system for membrane-based gas recovery

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56109831A (en) * 1980-01-30 1981-08-31 Nippon Telegr & Teleph Corp <Ntt> Manufacture of base material for optical fiber
JPS6046954A (en) * 1983-08-26 1985-03-14 Nippon Telegr & Teleph Corp <Ntt> Device for drawing optical fiber
JPS60103006A (en) * 1983-11-09 1985-06-07 Toyo Sanso Kk Portable type apparatus for recovering and refining helium
JPS60122741A (en) * 1983-12-08 1985-07-01 Hitachi Cable Ltd Manufacture of parent material for optical fiber
JPS61261223A (en) * 1985-05-13 1986-11-19 Furukawa Electric Co Ltd:The Furnace for clarifying porous glass preform
JPS62153132A (en) * 1985-12-26 1987-07-08 Furukawa Electric Co Ltd:The Gas circulator in glass treatment oven
JPH04240129A (en) * 1991-01-18 1992-08-27 Sumitomo Electric Ind Ltd Method and apparatus for producing optical fiber
US5377491A (en) * 1992-12-11 1995-01-03 Praxair Technology, Inc. Coolant recovery process
JPH09142892A (en) * 1995-11-28 1997-06-03 Furukawa Electric Co Ltd:The Apparatus for producing coated optical fiber and production method
BR9702330A (en) * 1996-06-24 1999-07-20 Corning Inc Helium recycling for fiber optic manufacturing
ID17537A (en) * 1996-07-26 1998-01-08 Praxair Technology Inc RETRIEVING HELIUM FOR OPTICAL FIBER MANUPACTURE
JPH10316443A (en) * 1997-05-19 1998-12-02 Furukawa Electric Co Ltd:The Vitrification device of porous glass base material
JPH11255535A (en) * 1998-03-12 1999-09-21 Furukawa Electric Co Ltd:The Production of optical fiber and apparatus therefor

Also Published As

Publication number Publication date
FR2808793A1 (en) 2001-11-16

Similar Documents

Publication Publication Date Title
EP1464737A4 (en) COMPOSITE FIBER
EP1154294A4 (en) OPTICAL FIBER AND METHOD FOR MANUFACTURING THE SAME
FR2725441B1 (en) OPTICAL FIBER PREFORM AND MANUFACTURING METHOD THEREOF
NO20026278D0 (en) Fiber optic lighting equipment
NO20003731L (en) Optical fiber coupling
DE60137499D1 (en) OPTICAL FIBER
DE60218566D1 (en) Hollow optical fiber and related manufacturing process
NO20005530D0 (en) Resistant optical fiber fastener
DE69912797D1 (en) FIBER OPTICAL END PIECE AND PRODUCTION METHOD THEREFOR
FR2815399B1 (en) PROCESS AND PLANT FOR PURIFICATION AND RECYCLING OF HELIUM AND THEIR APPLICATION TO THE MANUFACTURE OF OPTICAL FIBERS
IT1318216B1 (en) LONG-PERIOD FIBER OPTIC FABRIC NETWORKING MACHINE WITH LOW DEPENDENCE ON POLARIZATION AND FIBER OPTIC RETICLES
FR2776652B1 (en) IMPROVED PROCESS FOR SHRINKING A FIBER OPTIC PREFORM
FR2753699B1 (en) METHOD FOR MANUFACTURING A PREFORM FOR OPTICAL FIBER
FR2779239B1 (en) SHORT FILTRATION OPTICAL FIBER
DK1285291T3 (en) Optical fiber
FR2808793B1 (en) MANUFACTURE OF HELIUM COOLED FIBER WITH RECYCLING WITHOUT PURIFICATION OF HELIUM
EP1184347A4 (en) PROCESS FOR PRODUCING OPTICAL FIBER
FR2756556B1 (en) INSTALLATION FOR MANUFACTURING A FIBER OPTIC PREFORM
DE60034372D1 (en) PLASTIC FIBER OPTIC FIBER
FR2728888B1 (en) PROCESS FOR OBTAINING FIBER OPTIC PREFORM USING PLASMA RECHARGE
DK1128195T3 (en) Optical fiber
DE60137014D1 (en) FIBER OPTIC CIRCLE
FR2826129B1 (en) FIBER OPTIC INTERCONNECTION MEMBER
DE50000020D1 (en) Optical spectrometer with optical fiber
DE69828953D1 (en) N x 2N fiber optic switch

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20160129