JPS63127947U - - Google Patents

Info

Publication number
JPS63127947U
JPS63127947U JP1659387U JP1659387U JPS63127947U JP S63127947 U JPS63127947 U JP S63127947U JP 1659387 U JP1659387 U JP 1659387U JP 1659387 U JP1659387 U JP 1659387U JP S63127947 U JPS63127947 U JP S63127947U
Authority
JP
Japan
Prior art keywords
core tube
preform
furnace
reactor core
optical 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.)
Pending
Application number
JP1659387U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1659387U priority Critical patent/JPS63127947U/ja
Publication of JPS63127947U publication Critical patent/JPS63127947U/ja
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
    • C03B37/02—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
    • C03B37/029—Furnaces therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/92—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using means for gradually reducing the cross-section towards the outlet or around the preform draw end, e.g. tapered

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)
JP1659387U 1987-02-09 1987-02-09 Pending JPS63127947U (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1659387U JPS63127947U (ko) 1987-02-09 1987-02-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1659387U JPS63127947U (ko) 1987-02-09 1987-02-09

Publications (1)

Publication Number Publication Date
JPS63127947U true JPS63127947U (ko) 1988-08-22

Family

ID=30808594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1659387U Pending JPS63127947U (ko) 1987-02-09 1987-02-09

Country Status (1)

Country Link
JP (1) JPS63127947U (ko)

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