JPS5328730A - Furnace for glass fiber spinning - Google Patents

Furnace for glass fiber spinning

Info

Publication number
JPS5328730A
JPS5328730A JP9980776A JP9980776A JPS5328730A JP S5328730 A JPS5328730 A JP S5328730A JP 9980776 A JP9980776 A JP 9980776A JP 9980776 A JP9980776 A JP 9980776A JP S5328730 A JPS5328730 A JP S5328730A
Authority
JP
Japan
Prior art keywords
furnace
glass fiber
fiber spinning
spun
fluctuation
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
JP9980776A
Other languages
Japanese (ja)
Inventor
Motohiro Nakahara
Yuichi Toda
Kozo Yoshimura
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
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries 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, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9980776A priority Critical patent/JPS5328730A/en
Publication of JPS5328730A publication Critical patent/JPS5328730A/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
    • C03B37/029—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
    • C03B2205/62—Heating means for drawing
    • C03B2205/64—Induction furnaces, i.e. HF/RF coil, e.g. of the graphite or zirconia susceptor type
    • 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

Abstract

PURPOSE:A purge gas is allowed to flow in a specific direction in a cylindrical furnace wherein a heated rod-shaped glass material is melt spun at its lower edge, thus to prevent the fluctuation in diameter of the spun filament.
JP9980776A 1976-08-20 1976-08-20 Furnace for glass fiber spinning Pending JPS5328730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9980776A JPS5328730A (en) 1976-08-20 1976-08-20 Furnace for glass fiber spinning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9980776A JPS5328730A (en) 1976-08-20 1976-08-20 Furnace for glass fiber spinning

Publications (1)

Publication Number Publication Date
JPS5328730A true JPS5328730A (en) 1978-03-17

Family

ID=14257127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9980776A Pending JPS5328730A (en) 1976-08-20 1976-08-20 Furnace for glass fiber spinning

Country Status (1)

Country Link
JP (1) JPS5328730A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0329898A2 (en) * 1988-02-24 1989-08-30 Sumitomo Electric Industries Limited Fiber drawing furnace
USRE35409E (en) * 1982-09-24 1996-12-24 Moore; Sidney D. Electrically addressable opto-electronic indicator for making dynamic evaluations of microscopic or larger subjects

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE35409E (en) * 1982-09-24 1996-12-24 Moore; Sidney D. Electrically addressable opto-electronic indicator for making dynamic evaluations of microscopic or larger subjects
EP0329898A2 (en) * 1988-02-24 1989-08-30 Sumitomo Electric Industries Limited Fiber drawing furnace

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