DK168157B1 - Varmeapparat til brug ved trækning af en glasstang - Google Patents

Varmeapparat til brug ved trækning af en glasstang Download PDF

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Publication number
DK168157B1
DK168157B1 DK406187A DK406187A DK168157B1 DK 168157 B1 DK168157 B1 DK 168157B1 DK 406187 A DK406187 A DK 406187A DK 406187 A DK406187 A DK 406187A DK 168157 B1 DK168157 B1 DK 168157B1
Authority
DK
Denmark
Prior art keywords
glass rod
sealing
opening
cover
rod
Prior art date
Application number
DK406187A
Other languages
Danish (da)
English (en)
Other versions
DK406187A (da
DK406187D0 (da
Inventor
Futoshi Mizutani
Katsuzou Mukai
Tohru Kuwahara
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of DK406187D0 publication Critical patent/DK406187D0/da
Publication of DK406187A publication Critical patent/DK406187A/da
Application granted granted Critical
Publication of DK168157B1 publication Critical patent/DK168157B1/da

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
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01257—Heating devices therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/043—Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by drawing
    • 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
    • C03B2205/63—Ohmic resistance heaters, e.g. carbon or graphite resistance heaters
    • 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
    • C03B2205/80—Means for sealing the preform entry or upper end of the furnace
    • 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
    • C03B2205/82—Means for sealing the fibre exit or lower end of the furnace

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Furnace Details (AREA)
DK406187A 1986-08-07 1987-08-04 Varmeapparat til brug ved trækning af en glasstang DK168157B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18430286 1986-08-07
JP61184302A JPH0686304B2 (ja) 1986-08-07 1986-08-07 ガラス棒延伸用加熱装置

Publications (3)

Publication Number Publication Date
DK406187D0 DK406187D0 (da) 1987-08-04
DK406187A DK406187A (da) 1988-02-08
DK168157B1 true DK168157B1 (da) 1994-02-21

Family

ID=16150953

Family Applications (1)

Application Number Title Priority Date Filing Date
DK406187A DK168157B1 (da) 1986-08-07 1987-08-04 Varmeapparat til brug ved trækning af en glasstang

Country Status (10)

Country Link
US (1) US4750927A (fr)
EP (1) EP0255729B1 (fr)
JP (1) JPH0686304B2 (fr)
KR (1) KR900004121B1 (fr)
CN (1) CN1011407B (fr)
AU (1) AU587564B2 (fr)
CA (1) CA1300380C (fr)
DE (1) DE3760994D1 (fr)
DK (1) DK168157B1 (fr)
ZA (1) ZA875627B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU605656B2 (en) * 1988-02-24 1991-01-17 Sumitomo Electric Industries, Ltd. Fiber drawing furnace
DE3831077A1 (de) * 1988-09-13 1990-03-15 Rheydt Kabelwerk Ag Vorrichtung zum kuehlen einer optischen faser
DE3929195A1 (de) * 1989-09-02 1991-03-07 Rheydt Kabelwerk Ag Vorrichtung zum beschichten einer vorform fuer lichtwellenleiter
DE4036629A1 (de) * 1990-11-16 1992-05-21 Siemens Ag Ringbrenner
JP5148367B2 (ja) * 2007-05-29 2013-02-20 信越化学工業株式会社 高周波誘導熱プラズマトーチを用いた光ファイバプリフォームの製造方法
JP5023016B2 (ja) * 2007-08-10 2012-09-12 信越化学工業株式会社 光ファイバ製造装置および線引き炉のシール方法
JP5624796B2 (ja) 2010-04-30 2014-11-12 株式会社フジクラ 光ファイバ素線の製造装置及び製造方法
CN102344246A (zh) * 2010-07-30 2012-02-08 江苏亨通光纤科技有限公司 一种用于直径突变光纤预制棒拉丝的拉丝炉的气封装置
JP6119299B2 (ja) * 2013-02-25 2017-04-26 住友電気工業株式会社 光ファイバ線引方法
JP7107084B2 (ja) * 2018-08-09 2022-07-27 住友電気工業株式会社 下蓋体、加熱炉、および、光ファイバ母材交換方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249847A (en) * 1938-05-27 1941-07-22 Carbide & Carbon Chem Corp Recovery method for cyclic vapor phase reaction products
US2495956A (en) * 1945-11-13 1950-01-31 Glass Fibers Inc Method of producing glass fibers
FR2249847A1 (en) * 1973-11-06 1975-05-30 Thomson Csf Glass fibre pulling system - in which glass rod end is heated in resonance cavity of UHF waveguide
GB1523595A (en) * 1975-10-31 1978-09-06 Nat Res Dev Electrical resistance furnaces
US4126436A (en) * 1977-12-05 1978-11-21 Corning Glass Works Apparatus for minimizing drawn filament diameter variation
US4154592A (en) * 1978-02-21 1979-05-15 Corning Glass Works Method of drawing optical filaments
US4174842A (en) * 1978-03-31 1979-11-20 Western Electric Company, Incorporated Non-contacting seal for treating chamber through which elongated material is moved
US4209176A (en) * 1979-01-11 1980-06-24 Baxter Travenol Laboratories, Inc. Nose seal assembly
NL7902201A (nl) * 1979-03-21 1980-09-23 Philips Nv Werkwijze en inrichting voor het vervaardigen van op- tische fibers alsmede optische fibers vervaardigd met de werkwijze.
US4289318A (en) * 1980-03-24 1981-09-15 Garlock Inc. Hydraulic motor balancing ring seal
US4383843A (en) * 1981-09-16 1983-05-17 Western Electric Company, Inc. Methods of and apparatus for heating a preform from which lightguide fiber is drawn
NL8302666A (nl) * 1983-07-27 1985-02-18 Philips Nv Inrichting voor het trekken van een optische vezel.
NL8403380A (nl) * 1984-11-07 1986-06-02 Philips Nv Werkwijze en inrichting voor het verdichten van een voorgevormd poreus lichaam uit materiaal, waarvan het hoofdbestanddeel uit sio2 bestaat.

Also Published As

Publication number Publication date
EP0255729A1 (fr) 1988-02-10
DK406187A (da) 1988-02-08
CA1300380C (fr) 1992-05-12
US4750927A (en) 1988-06-14
CN87105480A (zh) 1988-02-17
DE3760994D1 (en) 1989-12-21
JPH0686304B2 (ja) 1994-11-02
AU7662787A (en) 1988-02-11
AU587564B2 (en) 1989-08-17
KR880002761A (ko) 1988-05-11
KR900004121B1 (ko) 1990-06-16
CN1011407B (zh) 1991-01-30
EP0255729B1 (fr) 1989-11-15
JPS6340738A (ja) 1988-02-22
DK406187D0 (da) 1987-08-04
ZA875627B (en) 1988-02-09

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed