JPH0477690B2 - - Google Patents

Info

Publication number
JPH0477690B2
JPH0477690B2 JP62080372A JP8037287A JPH0477690B2 JP H0477690 B2 JPH0477690 B2 JP H0477690B2 JP 62080372 A JP62080372 A JP 62080372A JP 8037287 A JP8037287 A JP 8037287A JP H0477690 B2 JPH0477690 B2 JP H0477690B2
Authority
JP
Japan
Prior art keywords
gas
core
base material
glass
burner
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 - Lifetime
Application number
JP62080372A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63242940A (ja
Inventor
Ryoichi Oono
Seiichi Takasaki
Minoru Funaki
Fumiaki Hanawa
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.)
Nippon Telegraph and Telephone Corp
Tatsuta Electric Wire and Cable Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Tatsuta Electric Wire and Cable Co Ltd
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 Nippon Telegraph and Telephone Corp, Tatsuta Electric Wire and Cable Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP8037287A priority Critical patent/JPS63242940A/ja
Publication of JPS63242940A publication Critical patent/JPS63242940A/ja
Publication of JPH0477690B2 publication Critical patent/JPH0477690B2/ja
Granted 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
    • C03B37/0142—Reactant deposition burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/10—Split ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/16—Non-circular ports, e.g. square or oval
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C03B2207/22—Inert gas details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
JP8037287A 1987-03-31 1987-03-31 光フアイバ用多孔質母材の製造方法 Granted JPS63242940A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8037287A JPS63242940A (ja) 1987-03-31 1987-03-31 光フアイバ用多孔質母材の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8037287A JPS63242940A (ja) 1987-03-31 1987-03-31 光フアイバ用多孔質母材の製造方法

Publications (2)

Publication Number Publication Date
JPS63242940A JPS63242940A (ja) 1988-10-07
JPH0477690B2 true JPH0477690B2 (enrdf_load_stackoverflow) 1992-12-09

Family

ID=13716447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8037287A Granted JPS63242940A (ja) 1987-03-31 1987-03-31 光フアイバ用多孔質母材の製造方法

Country Status (1)

Country Link
JP (1) JPS63242940A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3485697B2 (ja) * 1995-11-07 2004-01-13 古河電気工業株式会社 光ファイバ用母材の製造装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852260Y2 (ja) * 1979-05-22 1983-11-29 日本電信電話株式会社 ステツプ型光フアイバ母材作製用ト−チ
JPS6041627B2 (ja) * 1980-07-11 1985-09-18 日本電信電話株式会社 光ファイバ母材の製造方法
JPS6046939A (ja) * 1983-08-22 1985-03-14 Fujikura Ltd 光フアイバ用ガラスプリフオ−ムの製造方法

Also Published As

Publication number Publication date
JPS63242940A (ja) 1988-10-07

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