NL7803277A - Elektrische hoogfrequentoven. - Google Patents
Elektrische hoogfrequentoven.Info
- Publication number
- NL7803277A NL7803277A NL7803277A NL7803277A NL7803277A NL 7803277 A NL7803277 A NL 7803277A NL 7803277 A NL7803277 A NL 7803277A NL 7803277 A NL7803277 A NL 7803277A NL 7803277 A NL7803277 A NL 7803277A
- Authority
- NL
- Netherlands
- Prior art keywords
- electric high
- frequency oven
- oven
- frequency
- electric
- Prior art date
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)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Resistance Heating (AREA)
- Mechanical Coupling Of Light Guides (AREA)
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 |
---|---|
NL7803277A true NL7803277A (nl) | 1978-10-03 |
NL181234C NL181234C (nl) | 1987-07-01 |
Family
ID=9188699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7803277,A NL181234C (nl) | 1977-03-29 | 1978-03-28 | Electrische hoogfrequentoven. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4142063A (nl) |
JP (1) | JPS53122157A (nl) |
BE (1) | BE864807R (nl) |
CA (1) | CA1092200A (nl) |
CH (1) | CH620289A5 (nl) |
DE (1) | DE2812389C2 (nl) |
FR (1) | FR2386004B2 (nl) |
GB (1) | GB1572974A (nl) |
IT (1) | IT1108842B (nl) |
NL (1) | NL181234C (nl) |
Families Citing this family (14)
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 |
DK0867412T3 (da) * | 1997-03-27 | 2001-06-18 | Cit Alcatel | Termisk isolation til en ovn til trækning af optiske fibre |
DE19900375A1 (de) | 1999-01-08 | 2000-07-13 | Alcatel Sa | Vorrichtung zum Ziehen einer Faser |
ATE301621T1 (de) | 1999-05-10 | 2005-08-15 | Pirelli & C Spa | Verfahren und induktionsofen zum ziehen von vorformen grosser diameter zu optischen fasern |
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 (nl) * | 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)
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 |
-
1977
- 1977-03-29 FR FR7709311A patent/FR2386004B2/fr not_active Expired
-
1978
- 1978-03-06 CH CH239878A patent/CH620289A5/fr not_active IP Right Cessation
- 1978-03-13 BE BE1008760A patent/BE864807R/xx active
- 1978-03-17 IT IT21318/78A patent/IT1108842B/it active
- 1978-03-21 DE DE2812389A patent/DE2812389C2/de not_active Expired
- 1978-03-21 GB GB11057/78A patent/GB1572974A/en not_active Expired
- 1978-03-23 US US05/889,306 patent/US4142063A/en not_active Expired - Lifetime
- 1978-03-28 CA CA299,858A patent/CA1092200A/fr not_active Expired
- 1978-03-28 NL NLAANVRAGE7803277,A patent/NL181234C/nl not_active IP Right Cessation
- 1978-03-29 JP JP3538878A patent/JPS53122157A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1092200A (fr) | 1980-12-23 |
CH620289A5 (nl) | 1980-11-14 |
FR2386004B2 (fr) | 1980-05-23 |
IT7821318A0 (it) | 1978-03-17 |
JPS53122157A (en) | 1978-10-25 |
JPS6142388B2 (nl) | 1986-09-20 |
BE864807R (fr) | 1978-09-13 |
IT1108842B (it) | 1985-12-09 |
DE2812389C2 (de) | 1986-11-20 |
US4142063A (en) | 1979-02-27 |
DE2812389A1 (de) | 1978-10-05 |
FR2386004A2 (fr) | 1978-10-27 |
NL181234C (nl) | 1987-07-01 |
GB1572974A (en) | 1980-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |