JPS6232139B2 - - Google Patents

Info

Publication number
JPS6232139B2
JPS6232139B2 JP50678A JP50678A JPS6232139B2 JP S6232139 B2 JPS6232139 B2 JP S6232139B2 JP 50678 A JP50678 A JP 50678A JP 50678 A JP50678 A JP 50678A JP S6232139 B2 JPS6232139 B2 JP S6232139B2
Authority
JP
Japan
Prior art keywords
reaction vessel
exhaust
burner
optical fiber
valve
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
Application number
JP50678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5494049A (en
Inventor
Tatsuo Izawa
Shoichi Sudo
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
Original Assignee
Nippon Telegraph and Telephone Corp
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 filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50678A priority Critical patent/JPS5494049A/ja
Publication of JPS5494049A publication Critical patent/JPS5494049A/ja
Publication of JPS6232139B2 publication Critical patent/JPS6232139B2/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]
    • C03B37/0144—Means for after-treatment or catching of worked reactant gases

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)
JP50678A 1978-01-09 1978-01-09 Mother material producing apparatus for optical fibers Granted JPS5494049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50678A JPS5494049A (en) 1978-01-09 1978-01-09 Mother material producing apparatus for optical fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50678A JPS5494049A (en) 1978-01-09 1978-01-09 Mother material producing apparatus for optical fibers

Publications (2)

Publication Number Publication Date
JPS5494049A JPS5494049A (en) 1979-07-25
JPS6232139B2 true JPS6232139B2 (en]) 1987-07-13

Family

ID=11475643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50678A Granted JPS5494049A (en) 1978-01-09 1978-01-09 Mother material producing apparatus for optical fibers

Country Status (1)

Country Link
JP (1) JPS5494049A (en])

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642940U (en]) * 1987-06-25 1989-01-10
JPH01151548U (en]) * 1988-03-31 1989-10-19
JPH0218847U (en]) * 1988-07-21 1990-02-07
JPH0460056A (ja) * 1990-06-28 1992-02-26 Asahi Utsudo Tec Kk 遮音性木質床材
JPH0460057A (ja) * 1990-06-28 1992-02-26 Asahi Utsudo Tec Kk 遮音性木質床材

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5626737A (en) * 1979-08-14 1981-03-14 Nippon Telegr & Teleph Corp <Ntt> Exhaust adjuster for optical fiber base material manufacturing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642940U (en]) * 1987-06-25 1989-01-10
JPH01151548U (en]) * 1988-03-31 1989-10-19
JPH0218847U (en]) * 1988-07-21 1990-02-07
JPH0460056A (ja) * 1990-06-28 1992-02-26 Asahi Utsudo Tec Kk 遮音性木質床材
JPH0460057A (ja) * 1990-06-28 1992-02-26 Asahi Utsudo Tec Kk 遮音性木質床材

Also Published As

Publication number Publication date
JPS5494049A (en) 1979-07-25

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