IT1184921B - Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche - Google Patents

Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche

Info

Publication number
IT1184921B
IT1184921B IT67278/85A IT6727885A IT1184921B IT 1184921 B IT1184921 B IT 1184921B IT 67278/85 A IT67278/85 A IT 67278/85A IT 6727885 A IT6727885 A IT 6727885A IT 1184921 B IT1184921 B IT 1184921B
Authority
IT
Italy
Prior art keywords
ovens
spinning
procedure
treatment
heating element
Prior art date
Application number
IT67278/85A
Other languages
English (en)
Other versions
IT8567278A0 (it
IT8567278A1 (it
Inventor
Giacomo Roba
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67278/85A priority Critical patent/IT1184921B/it
Publication of IT8567278A0 publication Critical patent/IT8567278A0/it
Priority to US06/827,271 priority patent/US4735826A/en
Priority to JP61055160A priority patent/JPS61222938A/ja
Priority to EP86103904A priority patent/EP0195456A3/en
Publication of IT8567278A1 publication Critical patent/IT8567278A1/it
Application granted granted Critical
Publication of IT1184921B publication Critical patent/IT1184921B/it

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/46—Dielectric heating
    • H05B6/62—Apparatus for specific applications
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Vapour Deposition (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
IT67278/85A 1985-03-22 1985-03-22 Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche IT1184921B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT67278/85A IT1184921B (it) 1985-03-22 1985-03-22 Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche
US06/827,271 US4735826A (en) 1985-03-22 1986-02-06 Method of surfacing the heater of a furnace for optical fibre drawing
JP61055160A JPS61222938A (ja) 1985-03-22 1986-03-14 光フアイバーの線引き用の炉のヒーターを表面仕上げする方法
EP86103904A EP0195456A3 (en) 1985-03-22 1986-03-21 Method of surfacing the heater of a furnace for optical fibre drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67278/85A IT1184921B (it) 1985-03-22 1985-03-22 Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche

Publications (3)

Publication Number Publication Date
IT8567278A0 IT8567278A0 (it) 1985-03-22
IT8567278A1 IT8567278A1 (it) 1986-09-22
IT1184921B true IT1184921B (it) 1987-10-28

Family

ID=11301083

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67278/85A IT1184921B (it) 1985-03-22 1985-03-22 Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche

Country Status (4)

Country Link
US (1) US4735826A (it)
EP (1) EP0195456A3 (it)
JP (1) JPS61222938A (it)
IT (1) IT1184921B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI83895C (fi) * 1988-04-13 1991-09-10 Valmet Paper Machinery Inc Foerfarande och anordning vid pressbehandling av en pappersbana.
US5410567A (en) * 1992-03-05 1995-04-25 Corning Incorporated Optical fiber draw furnace
US5241615A (en) * 1992-06-18 1993-08-31 Corning Incorporated Optical waveguide fiber with very thin titania-silica outer cladding layer
EP0950032B1 (en) * 1996-10-25 2003-07-16 Corning Incorporated Apparatus and method for reducing break sources in drawn fibers
CA2370494C (en) * 1999-05-10 2008-11-25 Pirelli & C. S.P.A. Method and induction furnace for drawing large diameter preforms to optical fibres
US20030118873A1 (en) * 2001-12-21 2003-06-26 Murphy Kenneth S. Stabilized zirconia thermal barrier coating with hafnia
DE102004014374C5 (de) * 2004-03-24 2011-01-05 Schott Ag Verwendung von Zirkoniumoxid- und Hafniumoxidhaltigem feuerfestem Material
JP2009149916A (ja) * 2006-09-14 2009-07-09 Ulvac Japan Ltd 真空蒸気処理装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093496A (en) * 1959-02-12 1963-06-11 Quigley Co Heat resisting coating composition and method of applying it to the basic refractory surface of a furnace
US3178308A (en) * 1960-09-07 1965-04-13 Pfaudler Permutit Inc Chemical vapor plating process
US4042006A (en) * 1973-01-05 1977-08-16 Siemens Aktiengesellschaft Pyrolytic process for producing a band-shaped metal layer on a substrate
FR2364186A1 (fr) * 1976-09-09 1978-04-07 Comp Generale Electricite Procede et dispositif pour deposer une couche d'un verre sur la paroi interne d'un tube
JPS5337559A (en) * 1976-09-20 1978-04-06 Kobe Steel Ltd Automatic welding machine
DE2843250A1 (de) * 1978-10-04 1980-04-17 Mayer Fa Karl Verfahren zur herstellung einer polware und danach hergestellte polware
JPS55113681A (en) * 1979-02-20 1980-09-02 Ngk Spark Plug Co Heat resisting exothermic body and its manufacture
DE3069238D1 (en) * 1979-12-28 1984-10-25 Ver Edelstahlwerke Ag Hard body, especially hard metal wearing part, and process for its production
JPS5735148A (en) * 1980-08-11 1982-02-25 Nissan Motor Co Ltd Electronic controlled carburetor
JPS57200274A (en) * 1981-06-04 1982-12-08 Matsushita Electric Ind Co Ltd Ceramic heating body
IL63802A (en) * 1981-09-11 1984-10-31 Iscar Ltd Sintered hard metal products having a multi-layer wear-resistant coating
FR2520352B1 (fr) * 1982-01-22 1986-04-25 Europ Propulsion Structure composite de type refractaire-refractaire et son procede de fabrication
WO1983004364A1 (en) * 1982-05-28 1983-12-08 Western Electric Company, Inc. Modified zirconia induction furnace
JPS6052104B2 (ja) * 1982-08-28 1985-11-18 日本碍子株式会社 セラミツクスの強化方法
JPS5939784A (ja) * 1982-08-30 1984-03-05 三菱マテリアル株式会社 表面被覆黒鉛製高温加熱部材
JPS6014783A (ja) * 1983-07-06 1985-01-25 三菱鉛筆株式会社 耐酸化性炭素系コイル状抵抗発熱体

Also Published As

Publication number Publication date
EP0195456A2 (en) 1986-09-24
US4735826A (en) 1988-04-05
IT8567278A0 (it) 1985-03-22
EP0195456A3 (en) 1988-11-23
JPS61222938A (ja) 1986-10-03
IT8567278A1 (it) 1986-09-22

Similar Documents

Publication Publication Date Title
NO902897L (no) Fremgangsmaate for varmebehandling av glassfiberemner for optiske fibre.
DK363187D0 (da) Optisk fiber
IT1131186B (it) Trattamento siliconico per fibre di vetro e metodi di trattamento
DK96887A (da) Optisk fiberapparat
RO86776A (ro) Fibre de sticla destinate fabricarii produselor izolante
KR890700216A (ko) 광물섬유 가열방법
IT1155044B (it) Procedimento litografico per la fabbricazione di fibre ottiche
BR8506186A (pt) Fibras oticas formadas de vidro de mgo-a12-sio2
DE3886098D1 (de) Ausrichtung von faseroptischen Kabeln.
IT1115592B (it) Procedimento per la produzione di fibre ottiche
IT1157395B (it) Composizione vetrosa per la produzione di fibre
IT1184921B (it) Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche
ES536165A0 (es) Metodo para la fabricacion de fibras de vidrio
IT8547717A1 (it) Procedimento per il post-trattamento delle fibre tessili
DK227885D0 (da) Optisk fiber
IT1096253B (it) Procedimento per la preparazione di fibre idrofile
PT90502A (pt) Processo para o tratamento de fibras ceramicas
IT1179876B (it) Apparecchiatura per la produzione continua di fibre ottiche
IT8567254A0 (it) Procedimento per la produzione difibre ottiche birifrangenti
IT1100259B (it) Procedimento per la produzione di fibre ottiche particolarmente per radiazioni infrarosse
RO82920A (ro) Compozitie pentru tratarea fibrelor de sticla
IT1106527B (it) Procedimento e dispositivo per la produzione di fibre di vetro
IT1152033B (it) Procedimento per il trattamento delle fibre di cellulosa
IT1223641B (it) Procedimento di tintura per fibre
IT8168655A0 (it) Apparecchiatura e procedimento per la produzione di fibre ottiche