IT7821318A0 - Forno elettrico ad alta frequenza. - Google Patents

Forno elettrico ad alta frequenza.

Info

Publication number
IT7821318A0
IT7821318A0 IT7821318A IT2131878A IT7821318A0 IT 7821318 A0 IT7821318 A0 IT 7821318A0 IT 7821318 A IT7821318 A IT 7821318A IT 2131878 A IT2131878 A IT 2131878A IT 7821318 A0 IT7821318 A0 IT 7821318A0
Authority
IT
Italy
Prior art keywords
high frequency
frequency electric
electric oven
oven
frequency
Prior art date
Application number
IT7821318A
Other languages
English (en)
Other versions
IT1108842B (it
Inventor
Jean-Yves Boniort
Claude Brehm
Yves Floury
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of IT7821318A0 publication Critical patent/IT7821318A0/it
Application granted granted Critical
Publication of IT1108842B publication Critical patent/IT1108842B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • General Induction Heating (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Resistance Heating (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
IT21318/78A 1977-03-29 1978-03-17 Forno elettrico ad alta frequenza IT1108842B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7709311A FR2386004B2 (fr) 1977-03-29 1977-03-29 Four electrique a haute frequence

Publications (2)

Publication Number Publication Date
IT7821318A0 true IT7821318A0 (it) 1978-03-17
IT1108842B IT1108842B (it) 1985-12-09

Family

ID=9188699

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21318/78A IT1108842B (it) 1977-03-29 1978-03-17 Forno elettrico ad alta frequenza

Country Status (10)

Country Link
US (1) US4142063A (it)
JP (1) JPS53122157A (it)
BE (1) BE864807R (it)
CA (1) CA1092200A (it)
CH (1) CH620289A5 (it)
DE (1) DE2812389C2 (it)
FR (1) FR2386004B2 (it)
GB (1) GB1572974A (it)
IT (1) IT1108842B (it)
NL (1) NL181234C (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE442473B (sv) * 1981-12-04 1985-12-23 Asea Ab Induktionsspole
US4563558A (en) * 1983-12-27 1986-01-07 United Technologies Corporation Directional recrystallization furnace providing convex isotherm temperature distribution
US4547644A (en) * 1984-02-24 1985-10-15 At&T Technologies, Inc. Apparatus for heating a preform from which lightguide fiber is drawn
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.
US5410567A (en) * 1992-03-05 1995-04-25 Corning Incorporated Optical fiber draw furnace
US5495495A (en) * 1995-05-25 1996-02-27 Saint-Gobain/Norton Industrial Ceramics Corporation Dense lining for coreless induction furnace
FR2746176B1 (fr) * 1996-03-14 1998-04-10 Dispositif d'injection de gaz non oxydant a l'interieur d'un four
FR2757846B1 (fr) * 1996-12-30 1999-01-29 Alsthom Cge Alcatel Four de fibrage d'une preforme de fibre optique
EP0867414A1 (en) * 1997-03-27 1998-09-30 Alcatel Graphite liner and heating element impregnated with vitreous carbon for a furnace for drawing optical fibers
DE19900375A1 (de) * 1999-01-08 2000-07-13 Alcatel Sa Vorrichtung zum Ziehen einer Faser
DK1181255T3 (da) 1999-05-10 2005-12-12 Pirelli & C Spa Fremgangsmåde og induktionsovn til trækning af præforme med stor diameter til optiske fibre
CN102425951B (zh) * 2011-09-23 2014-06-18 中国科学院上海硅酸盐研究所 可快速预热起动的氧化锆超高温电炉炉体结构和使用方法
CN102618703A (zh) * 2012-03-26 2012-08-01 宝山钢铁股份有限公司 一种板材快速高温加热方法及装置
NL2020974B1 (en) * 2018-05-23 2019-12-02 Draka Comteq Bv A device, system and method for forming a core rod for optical fibers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696223A (en) * 1970-10-05 1972-10-03 Cragmet Corp Susceptor
US4070542A (en) * 1973-03-12 1978-01-24 The Electricity Council Production of beta-alumina ceramic articles and furnace therefor
US3860737A (en) * 1974-01-11 1975-01-14 Gte Sylvania Inc Furnace and method for induction heating moving quantities of material
FR2339148A1 (fr) * 1976-01-22 1977-08-19 Comp Generale Electricite Four electrique a haute frequence

Also Published As

Publication number Publication date
IT1108842B (it) 1985-12-09
FR2386004A2 (fr) 1978-10-27
GB1572974A (en) 1980-08-13
US4142063A (en) 1979-02-27
DE2812389A1 (de) 1978-10-05
JPS53122157A (en) 1978-10-25
JPS6142388B2 (it) 1986-09-20
NL7803277A (nl) 1978-10-03
FR2386004B2 (fr) 1980-05-23
BE864807R (fr) 1978-09-13
NL181234C (nl) 1987-07-01
CA1092200A (fr) 1980-12-23
DE2812389C2 (de) 1986-11-20
CH620289A5 (it) 1980-11-14

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