JPS52134742A - Production of basic material for optical fibre - Google Patents

Production of basic material for optical fibre

Info

Publication number
JPS52134742A
JPS52134742A JP5156776A JP5156776A JPS52134742A JP S52134742 A JPS52134742 A JP S52134742A JP 5156776 A JP5156776 A JP 5156776A JP 5156776 A JP5156776 A JP 5156776A JP S52134742 A JPS52134742 A JP S52134742A
Authority
JP
Japan
Prior art keywords
optical fibre
production
basic material
shaping
adjusting
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.)
Pending
Application number
JP5156776A
Other languages
Japanese (ja)
Inventor
Tatsuo Izawa
Tadashi Miyashita
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 JP5156776A priority Critical patent/JPS52134742A/en
Publication of JPS52134742A publication Critical patent/JPS52134742A/en
Pending 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube

Landscapes

  • Engineering & Computer Science (AREA)
  • 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)

Abstract

PURPOSE:To improve productivity of the large sized optical fibre by inserting the primary preform into the glass pipe and shaping and adjusting its size afterwards.
JP5156776A 1976-05-06 1976-05-06 Production of basic material for optical fibre Pending JPS52134742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5156776A JPS52134742A (en) 1976-05-06 1976-05-06 Production of basic material for optical fibre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5156776A JPS52134742A (en) 1976-05-06 1976-05-06 Production of basic material for optical fibre

Publications (1)

Publication Number Publication Date
JPS52134742A true JPS52134742A (en) 1977-11-11

Family

ID=12890537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5156776A Pending JPS52134742A (en) 1976-05-06 1976-05-06 Production of basic material for optical fibre

Country Status (1)

Country Link
JP (1) JPS52134742A (en)

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