JPS52129532A - Wire drawing for optical fibers - Google Patents

Wire drawing for optical fibers

Info

Publication number
JPS52129532A
JPS52129532A JP4552676A JP4552676A JPS52129532A JP S52129532 A JPS52129532 A JP S52129532A JP 4552676 A JP4552676 A JP 4552676A JP 4552676 A JP4552676 A JP 4552676A JP S52129532 A JPS52129532 A JP S52129532A
Authority
JP
Japan
Prior art keywords
wire drawing
optical fibers
accomlish
drum
tension
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
JP4552676A
Other languages
Japanese (ja)
Inventor
Katsuyuki Imoto
Masao Sumi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4552676A priority Critical patent/JPS52129532A/en
Publication of JPS52129532A publication Critical patent/JPS52129532A/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
    • C03B37/02—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
    • C03B37/0253—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/40—Monitoring or regulating the draw tension or draw rate
    • 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
    • C03B2205/91—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 by controlling the furnace gas flow rate into or out of the furnace

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 accomlish the wire drawing operation for uniformly drawing the optical fiber from a heated molten preform by feeding the tension and the detected wire diameter back to a drive circuit of a drum and to a gas flow control circuit of a heat source.
JP4552676A 1976-04-23 1976-04-23 Wire drawing for optical fibers Pending JPS52129532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4552676A JPS52129532A (en) 1976-04-23 1976-04-23 Wire drawing for optical fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4552676A JPS52129532A (en) 1976-04-23 1976-04-23 Wire drawing for optical fibers

Publications (1)

Publication Number Publication Date
JPS52129532A true JPS52129532A (en) 1977-10-31

Family

ID=12721847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4552676A Pending JPS52129532A (en) 1976-04-23 1976-04-23 Wire drawing for optical fibers

Country Status (1)

Country Link
JP (1) JPS52129532A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938805A (en) * 1982-07-23 1984-03-02 ゲツツエ・アクチエンゲゼルシヤフト Method and apparatus for adjusting length of work
JPS6027616A (en) * 1983-07-20 1985-02-12 Santetsuku Kk Apparatus and method for manufacture of optical fiber

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938805A (en) * 1982-07-23 1984-03-02 ゲツツエ・アクチエンゲゼルシヤフト Method and apparatus for adjusting length of work
JPS6027616A (en) * 1983-07-20 1985-02-12 Santetsuku Kk Apparatus and method for manufacture of optical fiber
JPS6335577B2 (en) * 1983-07-20 1988-07-15 Santetsuku Kk

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