BR0104334A - Processo e aparelho para controlar um diâmetro externo de um tubo de isca de preforma durante um processo de deposição de camada de vidro - Google Patents

Processo e aparelho para controlar um diâmetro externo de um tubo de isca de preforma durante um processo de deposição de camada de vidro

Info

Publication number
BR0104334A
BR0104334A BR0104334-0A BR0104334A BR0104334A BR 0104334 A BR0104334 A BR 0104334A BR 0104334 A BR0104334 A BR 0104334A BR 0104334 A BR0104334 A BR 0104334A
Authority
BR
Brazil
Prior art keywords
diameter
output signal
bait tube
temperature
measured
Prior art date
Application number
BR0104334-0A
Other languages
English (en)
Inventor
Michael Z Yuan
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BR0104334A publication Critical patent/BR0104334A/pt

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
    • C03B37/07—Controlling or regulating
    • 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01846—Means for after-treatment or catching of worked reactant gases
    • 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Control Of Metal Rolling (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Metal Extraction Processes (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

Patente de Invenção: "PROCESSO E APARELHO PARA CONTROLAR UM DIâMETRO EXTERNO DE UM TUBO DE ISCA DE PREFORMA DURANTE UM PROCESSO DE DEPOSIçãO DE CAMADA DE VIDRO". Um processo e aparelho para controlar um diâmetro externo de um tubo de isca de preforma durante um processo de deposição de camada de vidro. O aparelho inclui uma fonte de gás em comunicação com um interior do tubo de isca de preforma. Um monitor de temperatura mede uma temperatura de uma zona quente do tubo de isca de preforma e gera um sinal de saída de temperatura, indicativo da temperatura medida. Um monitor de diâmetro mede o diâmetro da zona quente do tubo de isca de preforma e gera um sinal de saída de diâmetro, indicativo do diâmetro medido. Uma unidade de medição de pressão mede a pressão no interior do tubo de isca de preforma e gera um sinal de saída de pressão, indicativo da pressão medida. Um dispositivo de controle recebe o sinal de saída de temperatura, o sinal de saída de diâmetro, e o sinal de saída de pressão e determina uma vazão total adicionando juntos (1) uma vazão base associada com a temperatura medida, e (2) um ajustamento de vazão baseado no diâmetro medido e na pressão medida. O dispositivo de controle controla a fonte de gás para dar saída a um gás a uma vazão igual à vazão total.
BR0104334-0A 2000-10-31 2001-09-27 Processo e aparelho para controlar um diâmetro externo de um tubo de isca de preforma durante um processo de deposição de camada de vidro BR0104334A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/699,386 US6502427B1 (en) 2000-10-31 2000-10-31 Method and apparatus for controlling an outside diameter of a preform bait tube during a glass layer deposition process

Publications (1)

Publication Number Publication Date
BR0104334A true BR0104334A (pt) 2002-05-28

Family

ID=24809087

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0104334-0A BR0104334A (pt) 2000-10-31 2001-09-27 Processo e aparelho para controlar um diâmetro externo de um tubo de isca de preforma durante um processo de deposição de camada de vidro

Country Status (8)

Country Link
US (1) US6502427B1 (pt)
EP (1) EP1201614B1 (pt)
KR (1) KR100734449B1 (pt)
CN (1) CN1229289C (pt)
AT (1) ATE501985T1 (pt)
BR (1) BR0104334A (pt)
DE (1) DE60144212D1 (pt)
DK (1) DK1201614T3 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003066266A (ja) * 2001-06-12 2003-03-05 Furukawa Electric Co Ltd:The 光ファイバの接続方法
JP4022769B2 (ja) * 2003-11-20 2007-12-19 住友電気工業株式会社 ガラスパイプ加工方法
US20070175242A1 (en) * 2004-02-27 2007-08-02 Masaaki Hirano Method and device for producing optical fiber matrix
JP5486573B2 (ja) * 2011-09-30 2014-05-07 株式会社フジクラ 光ファイバ用母材の製造方法、及び、光ファイバの製造方法
EP3585741B1 (en) * 2017-03-24 2024-02-28 Corning Incorporated Systems and methods for measuring the temperature of glass during tube conversion

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217027A (en) 1974-02-22 1980-08-12 Bell Telephone Laboratories, Incorporated Optical fiber fabrication and resulting product
US4235616A (en) * 1979-05-14 1980-11-25 Corning Glass Works Optical waveguide manufacturing process and article
JPS5645845A (en) * 1979-09-20 1981-04-25 Nippon Telegr & Teleph Corp <Ntt> Producing device of optical fiber
US4280829A (en) 1980-05-12 1981-07-28 Corning Glass Works Apparatus for controlling internal pressure of a bait tube
US4417911A (en) 1981-02-27 1983-11-29 Associated Electrical Industries Limited Manufacture of optical fibre preforms
US4389229A (en) * 1981-10-01 1983-06-21 Western Electric Co., Inc. Methods and apparatus for fabricating a lightguide preform
IT1155119B (it) * 1982-03-05 1987-01-21 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la produzione di preforme per fibre ottiche
NL8302127A (nl) 1983-06-15 1985-01-02 Philips Nv Werkwijze en inrichting voor de vervaardiging van optische vezels.
IL74787A (en) 1985-04-02 1988-12-30 Univ Ramot Method of depositing heat-reflecting coatings on tube and apparatus useful in such method
JPS61295248A (ja) 1985-06-21 1986-12-26 Furukawa Electric Co Ltd:The 光フアイバ母材の製造装置
US5223308A (en) 1991-10-18 1993-06-29 Energy Conversion Devices, Inc. Low temperature plasma enhanced CVD process within tubular members
US6105396A (en) * 1998-07-14 2000-08-22 Lucent Technologies Inc. Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness

Also Published As

Publication number Publication date
CN1229289C (zh) 2005-11-30
US6502427B1 (en) 2003-01-07
KR100734449B1 (ko) 2007-07-02
ATE501985T1 (de) 2011-04-15
EP1201614A2 (en) 2002-05-02
DK1201614T3 (da) 2011-05-23
EP1201614A3 (en) 2004-03-31
KR20020033499A (ko) 2002-05-07
EP1201614B1 (en) 2011-03-16
CN1350988A (zh) 2002-05-29
DE60144212D1 (de) 2011-04-28

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE G01B 3/00 PARA C03B 37/07, C03B 37/018, G01B 11/12

Ipc: C03B 37/07 (2006.01), C03B 37/018 (2006.01), G01B

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2168 DE 24/07/2012.