ATE20875T1 - Verfahren zum trocknen von oxydglaesern. - Google Patents

Verfahren zum trocknen von oxydglaesern.

Info

Publication number
ATE20875T1
ATE20875T1 AT83305066T AT83305066T ATE20875T1 AT E20875 T1 ATE20875 T1 AT E20875T1 AT 83305066 T AT83305066 T AT 83305066T AT 83305066 T AT83305066 T AT 83305066T AT E20875 T1 ATE20875 T1 AT E20875T1
Authority
AT
Austria
Prior art keywords
glass
oxide glass
drying
drying oxide
cracking
Prior art date
Application number
AT83305066T
Other languages
English (en)
Inventor
Keith John Beales
Steve Fitzgerald Carter
Sally Partington
Paul William France
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE20875T1 publication Critical patent/ATE20875T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • 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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/15—Nonoxygen containing chalogenides
    • Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/90—Drying, dehydration, minimizing oh groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
AT83305066T 1982-09-10 1983-09-01 Verfahren zum trocknen von oxydglaesern. ATE20875T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8225837 1982-09-10
EP83305066A EP0103441B1 (de) 1982-09-10 1983-09-01 Verfahren zum Trocknen von Oxydgläsern

Publications (1)

Publication Number Publication Date
ATE20875T1 true ATE20875T1 (de) 1986-08-15

Family

ID=10532827

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83305066T ATE20875T1 (de) 1982-09-10 1983-09-01 Verfahren zum trocknen von oxydglaesern.

Country Status (5)

Country Link
US (1) US4539033A (de)
EP (1) EP0103441B1 (de)
AT (1) ATE20875T1 (de)
CA (1) CA1207150A (de)
DE (1) DE3364721D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60200844A (ja) * 1984-03-27 1985-10-11 Kokusai Denshin Denwa Co Ltd <Kdd> グロ−放電による光学材料の脱水処理方法
US4539032A (en) * 1984-08-03 1985-09-03 Geo-Centers, Inc. SF6 Process for dehydration of fluoride glasses
JPS6163538A (ja) * 1984-09-04 1986-04-01 Kokusai Denshin Denwa Co Ltd <Kdd> フッ化物ガラスの精製法
JPS62123041A (ja) * 1985-08-09 1987-06-04 Hoya Corp レ−ザ−ガラスから白金インクル−ジヨンを消去する方法
DE58903259D1 (de) * 1988-05-20 1993-02-25 Siemens Ag Verfahren zur herstellung einer optischen faser hoher festigkeit.
US5259856A (en) * 1989-09-06 1993-11-09 Sumitomo Electric Industrial, Ltd. Method of producing glass preform in furnace for heating glass
JP5625037B2 (ja) * 2012-03-23 2014-11-12 株式会社フジクラ ガラス母材の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1507712A (en) * 1975-07-14 1978-04-19 Post Office Preparation of alkali-metal-boro-silicate glasses
US4065280A (en) * 1976-12-16 1977-12-27 International Telephone And Telegraph Corporation Continuous process for manufacturing optical fibers
DE2842586A1 (de) * 1978-09-29 1980-04-17 Siemens Ag Verfahren zur herstellung von lichtleitfasern niedriger daempfung und hoher numerischer apertur
JPS5924092B2 (ja) * 1978-12-29 1984-06-07 三菱マテリアル株式会社 光フアイバ母材の製造法
DE3067735D1 (en) * 1979-04-10 1984-06-14 Post Office Improvements in or relating to graded index optical fibre
JPS603018B2 (ja) * 1979-04-26 1985-01-25 三菱電線工業株式会社 光ファイバ母材の製造法
JPS5858292B2 (ja) * 1980-01-21 1983-12-24 株式会社日立製作所 シリカガラスの製造方法
JPS56149332A (en) * 1980-04-17 1981-11-19 Nippon Sheet Glass Co Ltd Manufacture of glass with low water content
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
GB2084988B (en) * 1980-10-02 1984-06-06 Post Office Methods of etching materials containing silicon
FR2499546B1 (fr) * 1981-02-11 1986-10-24 Corning Glass Works Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication
DE3270298D1 (en) * 1981-12-03 1986-05-07 British Telecomm Glasses, methods for making them, and optical fibres containing them

Also Published As

Publication number Publication date
DE3364721D1 (en) 1986-08-28
CA1207150A (en) 1986-07-08
EP0103441A1 (de) 1984-03-21
US4539033A (en) 1985-09-03
EP0103441B1 (de) 1986-07-23

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee