KR890701488A - 유리연신공정 및 노 - Google Patents

유리연신공정 및 노

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Publication number
KR890701488A
KR890701488A KR1019890700349A KR890700349A KR890701488A KR 890701488 A KR890701488 A KR 890701488A KR 1019890700349 A KR1019890700349 A KR 1019890700349A KR 890700349 A KR890700349 A KR 890700349A KR 890701488 A KR890701488 A KR 890701488A
Authority
KR
South Korea
Prior art keywords
chamber
preform
heating
fluid
temperature
Prior art date
Application number
KR1019890700349A
Other languages
English (en)
Inventor
브이. 제스키 리차드
알. 플로챠르지크 죤
Original Assignee
리차드 제이.제스키
인콤 인코오퍼레이티드
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 리차드 제이.제스키, 인콤 인코오퍼레이티드 filed Critical 리차드 제이.제스키
Publication of KR890701488A publication Critical patent/KR890701488A/ko

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
    • 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
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
    • 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
    • C03B37/028—Drawing fibre bundles, e.g. for making fibre bundles of multifibres, image fibres
    • 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
    • C03B2205/56—Annealing or re-heating the drawn fibre prior to coating
    • 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
    • C03B2205/74—Means for moving at least a part of the draw furnace, e.g. by rotation or vertical or horizontal movement
    • 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
    • C03B2205/80—Means for sealing the preform entry or upper end of the furnace
    • C03B2205/81—Means for sealing the preform entry or upper end of the furnace using gas
    • 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
    • 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
    • C03B2205/98—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 annular gas inlet distributors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

내용 없음

Description

유리연신공정 및 노
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 공정의 한 실시예의 흐름도를 표시하고, 제2도는 본 발명의 원리를 구현하는 노의 단면도이고, 제3도는 예 비냉각 칼라의 일부의 간단한 실시형을 예시.

Claims (16)

  1. (a) 연신실내 입구에 프리폼을 공급하는 단계, (b) 프로폼의 가공온도 이상의 유체를 가열하는 단계, (c) 프로폼이 가공구역에서 연신온도에 있게 될 때까지 적극적으로 가열유체가 프리폼을 지나 흐르게 하는 단계, 및 (d) 연신실의 출구를 통해 프리폼으로부터 제품을 인발하는 단계로 되어 있는 것을 특징으로 하는 프리폼으로부터 제품을 연신하는 방법.
  2. 제1항에 있어서, 별도의 가열실에서 유체를 가열하여 그 가열된 유체를 연신실에 공급하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
  3. 제2항에 있어서, 가열유체가 가공구역을 통과한 후 재가열하기 위해 유체를 다시 가열실로 흡인하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
  4. 제3항에 있어서, 적어도 개별적 간격에서 선택된 위치에서 가열된 유체의 온도를 측정하고, 상기 유체가 열단계 및 상기 공급유체의 속도를 조정하는데에 그 측정된 온도 값을 사용하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 연신실에 들어오려고 하는 프리폼의 일부의 온도가 미리 선택된 제어온도가 되게하는 단계를 추가로 포함하는 것을 특징으로하는 방법.
  6. 제1항에 있어서 절연수단을 연신실의 출구로부터 미리 선택된 거리만큼 연신실의 입구쪽으로 이동시키는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
  7. 제1항에 있어서, 연신실의 하방으로부터 상방으로 프리폼을 공급하고 연신실 상부로부터 상부로 제품을 인발하는 것을 특징으로 하는 방법.
  8. (a) 연신실 하방으로부터 프리폼을 공급하는 단계, (b) 연신실에서 프리폼을 가공온도까지 가열하는 단계, 및 (c) 연신실로부터 상방으로 제품을 인발하는 단계로 되어 있는 것을 특징으로 하는 프로폼으로부터 제품을 연신하는 방법.
  9. (a) 연신실, (b) 유체 가열수단을 갖는 있는 별도의 유체가열실, (c) 가열실로부터 연신실까지 통로를 통해서 공기를 송급하기 위한 강제대류요소, (d) 연신실 입구, 및 (e) 연신실 출구를 갖고 있는 (1)노, (2)프리폼을 상기 입구내에 공급하기에 적합한 프리폼 공급기구, 및 (3) 상기 출구로부터 제품을 인발하기에 적합한 제품인발기구로 구성되어 있는 것을 특징으로 하는 프리폼으로부터 제품을 연신하기 위한 유리 연신 장치.
  10. 제9항에 있어서, 프리폼을 연신실 입구에서 정상화 온도에 도달하게 하는 수단을 추가로 포함하고 있는 것을 특징으로 하는 장치.
  11. 제10항에 있어서, 프리폼을 정상화 온도에 도달하게 하는 수단에는 연신실 입구 주위에 배치되어 있고 내측으로 배향된 구멍을 갖고 있는 칼라에 도관으로 연결되어 있는 공기원이 포함되는 것을 특징으로 하는 장치.
  12. 제9항에 있어서, 연신실 출구로부터 연신실 입구에까지 연장되어 있고, 조정가능한 연장수단을 갖고 있는 절연 슬리브를 추가로 포함하고 있는 것을 특징으로 하는 장치.
  13. 제9항에 있어서, 흐르는 가열유체중에 위치해 있는 온도측정수단을 추가로 포함하고 있는 것을 특징으로 하는 장치.
  14. 제9항에 있어서, 기능적으로 온도 측정 수단과 연결되어 있으며 공기 가열수단과 강제 대류 소요 및 그것들을 통하여 가열유체의 흐름에 의해 방출된 열을 제어하는 중앙 제어기구를 추가로 포함하는 것을 특징으로 하는 장치.
  15. 제14항에 있어서, 중앙제어기구는 절연 슬리브 조정수단에 기능적으로 연결되어 있고 그것을 제어하는 것을 특징으로 하는 장치.
  16. 제9항에 있어서, 프리폼은 요소들의 다발로 형성되어 있으며 장치는 프리폼을 둘러싸는 기밀 배기(진공화된)봉투를 포함하는 것을 특징으로 하는 장치.
    ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.
KR1019890700349A 1987-06-26 1987-06-26 유리연신공정 및 노 KR890701488A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1987/001557 WO1988010241A1 (en) 1987-06-26 1987-06-26 Glass drawing process and furnace

Publications (1)

Publication Number Publication Date
KR890701488A true KR890701488A (ko) 1989-12-20

Family

ID=22202444

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890700349A KR890701488A (ko) 1987-06-26 1987-06-26 유리연신공정 및 노

Country Status (3)

Country Link
EP (1) EP0370001B1 (ko)
KR (1) KR890701488A (ko)
WO (1) WO1988010241A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2017120123A1 (en) * 2016-01-08 2017-07-13 Metal Morphing Technologies, Inc. Systems and methods for drawing high aspect ratio metallic glass-based materials
US10941472B2 (en) 2016-01-08 2021-03-09 Metal Morphing Technologies, Inc. Systems and methods for drawing high aspect ratio metallic glass-based materials
JP2017171549A (ja) * 2016-03-25 2017-09-28 信越化学工業株式会社 光ファイバプリフォームの絞り加工方法及び加工装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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BE522519A (ko) * 1952-09-05
NL261074A (ko) * 1958-08-11
US3119678A (en) * 1960-11-18 1964-01-28 American Optical Corp Method of forming multifiber structure
US3328143A (en) * 1962-01-24 1967-06-27 American Optical Corp Method of making light-conducting optical multifiber structures
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US3654680A (en) * 1969-04-28 1972-04-11 Owens Illinois Inc Method of making gas discharge device
US3622292A (en) * 1969-06-03 1971-11-23 Weston Instruments Inc Tube uniting with fusion barrier
FR2288958A1 (fr) * 1974-10-21 1976-05-21 Desmarquest & Cec Installation pour le traitement par zone de produits de forme allongee
GB1523595A (en) * 1975-10-31 1978-09-06 Nat Res Dev Electrical resistance furnaces
DE2614631A1 (de) * 1976-04-05 1977-10-13 Siemens Ag Verfahren zur herstellung von gradientenfasern
US4030901A (en) * 1976-07-19 1977-06-21 Bell Telephone Laboratories, Incorporated Method for drawing fibers
DE2817651A1 (de) * 1978-04-21 1979-10-31 Siemens Ag Verfahren zur erhoehung der bruchfestigkeit von glasfasern
JPS57100933A (en) * 1980-12-12 1982-06-23 Nippon Telegr & Teleph Corp <Ntt> Preparation of base material for optical fiber
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
FR2563826B1 (fr) * 1984-05-07 1991-08-30 Verre Fluore Sa Procedes de fabrication de fibres et de composants optiques en verres fluores et appareils destines a les mettre en oeuvre
US4578098A (en) * 1984-06-15 1986-03-25 At&T Technologies, Inc. Apparatus for controlling lightguide fiber tension during drawing

Also Published As

Publication number Publication date
WO1988010241A1 (en) 1988-12-29
EP0370001A4 (en) 1990-10-10
EP0370001B1 (en) 1993-09-08
EP0370001A1 (en) 1990-05-30

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