BR0115274A - Dispositivo e método para a fabricação de uma pré-forma - Google Patents

Dispositivo e método para a fabricação de uma pré-forma

Info

Publication number
BR0115274A
BR0115274A BR0115274-2A BR0115274A BR0115274A BR 0115274 A BR0115274 A BR 0115274A BR 0115274 A BR0115274 A BR 0115274A BR 0115274 A BR0115274 A BR 0115274A
Authority
BR
Brazil
Prior art keywords
envelope
carrier tube
preform
heating element
making
Prior art date
Application number
BR0115274-2A
Other languages
English (en)
Other versions
BR0115274B1 (pt
Inventor
Dennis Robert Simons
Henrikus Lambertus Mari Jansen
Original Assignee
Draka Fibre Technology Bv
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 Draka Fibre Technology Bv filed Critical Draka Fibre Technology Bv
Publication of BR0115274A publication Critical patent/BR0115274A/pt
Publication of BR0115274B1 publication Critical patent/BR0115274B1/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
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • 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
    • 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
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

"DISPOSITIVO E MéTODO PARA A FABRICAçãO DE UMA PRé-FORMA". A invenção se refere a um dispositivo para a fabricação de uma pré-forma, na qual um tubo transportador é retraído em uma pré-forma, dispositivo esse que compreende um elemento de aquecimento formando um envelope cilíndrico, envelope esse que define uma abertura de entrada anular e uma abertura de saída anular em extremidades opostas do envelope, um tubo transportador estando presente dentro do envelope cilíndrico, entre as ditas aberturas, o elemento de aquecimento sendo móvel na direção axial com relação ao tubo transportador, e meios de suprimento de um gás não oxidante para o espaço existente entre o tubo transportador e o envelope.
BRPI0115274-2A 2000-11-17 2001-11-02 dispositivo e método para a fabricação de uma pré-forma. BR0115274B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1016644A NL1016644C2 (nl) 2000-11-17 2000-11-17 Inrichting en werkwijze voor het vervaardigen van een voorvorm.
PCT/NL2001/000802 WO2002040415A1 (en) 2000-11-17 2001-11-02 Apparatus and process for producing an optical fibre preform

Publications (2)

Publication Number Publication Date
BR0115274A true BR0115274A (pt) 2003-08-12
BR0115274B1 BR0115274B1 (pt) 2010-07-27

Family

ID=19772415

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0115274-2A BR0115274B1 (pt) 2000-11-17 2001-11-02 dispositivo e método para a fabricação de uma pré-forma.

Country Status (12)

Country Link
US (1) US6600769B2 (pt)
EP (1) EP1339647B1 (pt)
JP (1) JP4176468B2 (pt)
KR (1) KR100765345B1 (pt)
CN (1) CN1243678C (pt)
AT (1) ATE288407T1 (pt)
AU (1) AU2002224206A1 (pt)
BR (1) BR0115274B1 (pt)
DE (1) DE60108782T2 (pt)
NL (1) NL1016644C2 (pt)
WO (1) WO2002040415A1 (pt)
ZA (1) ZA200302723B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1024943C2 (nl) * 2003-12-04 2005-06-07 Draka Fibre Technology Bv Werkwijze ter vervaardiging van een optische vezel.
NL1033763C2 (nl) * 2007-04-26 2008-10-28 Draka Comteq Bv Inrichting en werkwijze voor het vervaardigen van een optische voorvorm.
NL1033773C2 (nl) * 2007-04-27 2008-10-28 Draka Comteq Bv Werkwijze voor de vervaardiging van een voorvorm alsmede daarmee te verkrijgen optische vezel.
CN103342463B (zh) * 2013-07-05 2015-05-27 江苏法尔胜光子有限公司 一种光纤拉丝炉
NL2015161B1 (en) 2015-07-13 2017-02-01 Draka Comteq Bv A method for preparing a primary preform by etching and collapsing a deposited tube.
CN108083628B (zh) 2016-11-22 2022-07-26 贺利氏石英北美有限责任公司 用于制造玻璃预成型件的向上塌缩工艺和设备
NL2020974B1 (en) 2018-05-23 2019-12-02 Draka Comteq Bv A device, system and method for forming a core rod for optical fibers
NL2021543B1 (en) 2018-09-03 2020-04-30 Draka Comteq Bv Method, heating device and system for heating an elongate silica cylinder for use in the manufacturing of optical fibers.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR795519A (fr) 1934-12-20 1936-03-16 Lyonnaise De Soie Artificielle Borne filtrante pour machines à filer les textiles artificiels
US4030901A (en) * 1976-07-19 1977-06-21 Bell Telephone Laboratories, Incorporated Method for drawing fibers
JPH06239639A (ja) * 1993-02-17 1994-08-30 Furukawa Electric Co Ltd:The 光ファイバガラス母材の延伸方法
FR2746176B1 (fr) * 1996-03-14 1998-04-10 Dispositif d'injection de gaz non oxydant a l'interieur d'un four

Also Published As

Publication number Publication date
EP1339647A1 (en) 2003-09-03
KR20030051713A (ko) 2003-06-25
US20020097774A1 (en) 2002-07-25
JP4176468B2 (ja) 2008-11-05
NL1016644C2 (nl) 2002-05-22
ATE288407T1 (de) 2005-02-15
CN1474786A (zh) 2004-02-11
WO2002040415A1 (en) 2002-05-23
JP2004513863A (ja) 2004-05-13
DE60108782D1 (de) 2005-03-10
KR100765345B1 (ko) 2007-10-10
BR0115274B1 (pt) 2010-07-27
AU2002224206A1 (en) 2002-05-27
ZA200302723B (en) 2004-04-28
EP1339647B1 (en) 2005-02-02
CN1243678C (zh) 2006-03-01
DE60108782T2 (de) 2005-07-14
US6600769B2 (en) 2003-07-29

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/11/2001, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 02.11.2021