EP0142476A3 - Vorgebackene Kohlenstoffkompositelektrode für elektrische Lichtbogenöfen - Google Patents

Vorgebackene Kohlenstoffkompositelektrode für elektrische Lichtbogenöfen Download PDF

Info

Publication number: EP0142476A3
Authority: EP; European Patent Office
Prior art keywords: arc furnaces; electric arc; carbon electrode; composite; prebaked carbon
Prior art date: 1983-11-11
Legal status (The legal status 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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP84830293A

Other languages

English (en)

French (fr)

Other versions

EP0142476A2 (de

Inventor

Italo Letizia

Mario Cavigli

Paolo D'ambosio

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Elettrocarbonium SpA

Original Assignee

Elettrocarbonium SpA

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.)

1983-11-11

Filing date

1984-10-31

Publication date

1985-08-14

1984-10-31 Application filed by Elettrocarbonium SpA filed Critical Elettrocarbonium SpA

1985-05-22 Publication of EP0142476A2 publication Critical patent/EP0142476A2/de

1985-08-14 Publication of EP0142476A3 publication Critical patent/EP0142476A3/de

Status Withdrawn legal-status Critical Current

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 3
229910052799 carbon Inorganic materials 0.000 title abstract 2
239000002131 composite material Substances 0.000 title abstract 2
238000010891 electric arc Methods 0.000 title abstract 2
239000000463 material Substances 0.000 abstract 6
241000283690 Bos taurus Species 0.000 abstract 2
229910001021 Ferroalloy Inorganic materials 0.000 abstract 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 abstract 1
239000003830 anthracite Substances 0.000 abstract 1
239000003575 carbonaceous material Substances 0.000 abstract 1
238000010276 construction Methods 0.000 abstract 1
238000001125 extrusion Methods 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
150000002739 metals Chemical class 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
238000000465 moulding Methods 0.000 abstract 1
229910052698 phosphorus Inorganic materials 0.000 abstract 1
239000011574 phosphorus Substances 0.000 abstract 1

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
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/08—Electrodes non-consumable
- H05B7/085—Electrodes non-consumable mainly consisting of carbon

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Discharge Heating (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)
Carbon And Carbon Compounds (AREA)
Ceramic Products (AREA)

EP84830293A 1983-11-11 1984-10-31 Vorgebackene Kohlenstoffkompositelektrode für elektrische Lichtbogenöfen Withdrawn EP0142476A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT4932983		1983-11-11
IT49329/83A IT1171887B (it)	1983-11-11	1983-11-11	Elettrodo di carbone precotto a struttura composita per forni elettrici ad arco

Publications (2)

Publication Number	Publication Date
EP0142476A2 EP0142476A2 (de)	1985-05-22
EP0142476A3 true EP0142476A3 (de)	1985-08-14

Family

ID=11270368

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP84830293A Withdrawn EP0142476A3 (de)	1983-11-11	1984-10-31	Vorgebackene Kohlenstoffkompositelektrode für elektrische Lichtbogenöfen

Country Status (3)

Country	Link
EP (1)	EP0142476A3 (de)
IT (1)	IT1171887B (de)
NO (1)	NO844492L (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT401303B (de) *	1993-09-06	1996-08-26	Voest Alpine Ind Anlagen	Verfahren zum herstellen einer bodenanode für ein metallurgisches gefäss
DE19850735C1 (de) *	1998-11-04	2000-09-21	Conradty Nuernberg Gmbh C	Elektrode für elektrometallurgische Verfahren
EP1406473A1 (de) *	2002-10-04	2004-04-07	Sgl Carbon Ag	Vorgebackene Kohlenstoffkompositelektrode für elektrische Lichtbogenöfen
DE102009047320B3 (de) *	2009-11-30	2011-07-21	Sgl Carbon Se, 65203	Radial gradierte Elektrode mit Interface-Schicht
IT1396948B1 (it)	2009-12-16	2012-12-20	Italghisa S P A	Pasta elettrodica per elettrodi in grafite privi di "binder" a base idrocarburica
DE102010003064A1 (de) *	2010-03-19	2011-09-22	Wacker Chemie Ag	Graphitelektrode

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH97969A (de) *	1921-06-10	1923-02-16	Deprez Th	Verfahren zur Herstellung von Elektroden.
GB241461A (en) *	1925-04-15	1925-10-22	Carl Wilhelm Becker	Improvements in or relating to furnace electrodes
US2300503A (en) *	1939-10-17	1942-11-03	Nat Carbon Co Inc	Composite article
GB773579A (en) *	1952-08-13	1957-05-01	Lorraine Carbone	Improvements in or relating to anodes for powerful electric arcs
DE1137150B (de) *	1960-09-16	1962-09-27	Siemens Planiawerke Ag	Formkoerper aus Kohle oder Graphit als Elektrode oder Verbindungsnippel
FR2019521A6 (de) *	1968-10-01	1970-07-03	Foseco Trading Ag
DE3145993A1 (de) *	1981-11-20	1983-06-01	Sigri Elektrographit Gmbh, 8901 Meitingen	Graphitelektrode fuer lichtbogenoefen

1983
- 1983-11-11 IT IT49329/83A patent/IT1171887B/it active
1984
- 1984-10-31 EP EP84830293A patent/EP0142476A3/de not_active Withdrawn
- 1984-11-09 NO NO844492A patent/NO844492L/no unknown

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH97969A (de) *	1921-06-10	1923-02-16	Deprez Th	Verfahren zur Herstellung von Elektroden.
GB241461A (en) *	1925-04-15	1925-10-22	Carl Wilhelm Becker	Improvements in or relating to furnace electrodes
US2300503A (en) *	1939-10-17	1942-11-03	Nat Carbon Co Inc	Composite article
GB773579A (en) *	1952-08-13	1957-05-01	Lorraine Carbone	Improvements in or relating to anodes for powerful electric arcs
DE1137150B (de) *	1960-09-16	1962-09-27	Siemens Planiawerke Ag	Formkoerper aus Kohle oder Graphit als Elektrode oder Verbindungsnippel
FR2019521A6 (de) *	1968-10-01	1970-07-03	Foseco Trading Ag
DE3145993A1 (de) *	1981-11-20	1983-06-01	Sigri Elektrographit Gmbh, 8901 Meitingen	Graphitelektrode fuer lichtbogenoefen

Also Published As

Publication number	Publication date
IT8349329A0 (it)	1983-11-11
EP0142476A2 (de)	1985-05-22
NO844492L (no)	1985-05-13
IT1171887B (it)	1987-06-10

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Legal Events

Date	Code	Title	Description
1985-03-22	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1985-05-22	AK	Designated contracting states	Designated state(s): DE FR
1985-06-13	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1985-08-14	AK	Designated contracting states	Designated state(s): DE FR
1986-02-12	17P	Request for examination filed	Effective date: 19851121
1987-10-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1987-11-25	18D	Application deemed to be withdrawn	Effective date: 19870501
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: D'AMBOSIO, PAOLO Inventor name: CAVIGLI, MARIO Inventor name: LETIZIA, ITALO