EP0109839A3 - Graphite electrodes and method for their production - Google Patents

Graphite electrodes and method for their production Download PDF

Info

Publication number: EP0109839A3
Authority: EP; European Patent Office
Prior art keywords: production; graphite electrodes; graphite; electrodes
Prior art date: 1982-11-19
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.): Granted

Application number

EP83307051A

Other versions

EP0109839B1 (en

EP0109839A2 (en

Inventor

Raymond Vincent Sara

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.)

Union Carbide Corp

Original Assignee

Union Carbide Corp

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.)

1982-11-19

Filing date

1983-11-18

Publication date

1985-06-19

1983-11-18 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1984-05-30 Publication of EP0109839A2 publication Critical patent/EP0109839A2/en

1985-06-19 Publication of EP0109839A3 publication Critical patent/EP0109839A3/en

1989-09-06 Application granted granted Critical

1989-09-06 Publication of EP0109839B1 publication Critical patent/EP0109839B1/en

Status Expired legal-status Critical Current

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)
Ceramic Products (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)
Furnace Details (AREA)
Discharge Heating (AREA)
Electrodes For Compound Or Non-Metal Manufacture (AREA)
Carbon And Carbon Compounds (AREA)

EP19830307051 1982-11-19 1983-11-18 Method of making graphite electrodes Expired EP0109839B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US44309882A	1982-11-19	1982-11-19
US443098		1982-11-19

Publications (3)

Publication Number	Publication Date
EP0109839A2 EP0109839A2 (en)	1984-05-30
EP0109839A3 true EP0109839A3 (en)	1985-06-19
EP0109839B1 EP0109839B1 (en)	1989-09-06

Family

ID=23759400

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19830307051 Expired EP0109839B1 (en)	1982-11-19	1983-11-18	Method of making graphite electrodes

Country Status (4)

Country	Link
EP (1)	EP0109839B1 (en)
JP (1)	JPS59108294A (en)
DE (1)	DE3380551D1 (en)
ES (1)	ES8407284A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1396948B1 (en) *	2009-12-16	2012-12-20	Italghisa S P A	ELECTRODIC PASTE FOR GRAPHITE ELECTRODES WITHOUT "BINDER" WITH HYDROCARBURIC BASIS
CN105025602A (en) *	2015-07-13	2015-11-04	河北联冠电极股份有限公司	Carbon nanometer ultramicro material large carbon electrode and preparation method thereof
JP6482442B2 (en) *	2015-09-30	2019-03-13	クアーズテック株式会社	Carbon electrode for melting quartz glass
DE102015221853B4 (en)	2015-11-06	2019-05-16	Technische Universität Bergakademie Freiberg	Process for the preparation of carbonaceous ceramic components

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1285559A (en) *	1961-03-15	1962-02-23	Union Carbide Corp	Production of artificial graphite
LU60219A1 (en) *	1969-01-30	1970-03-23
FR2133802A1 (en) *	1971-04-15	1972-12-01	Lonza Ag
EP0063710A1 (en) *	1981-04-23	1982-11-03	Arc Technologies Systems, Ltd.	Electrode for arc furnaces, and method of using it

1983
- 1983-11-18 ES ES527373A patent/ES8407284A1/en not_active Expired
- 1983-11-18 JP JP58217623A patent/JPS59108294A/en active Granted
- 1983-11-18 DE DE8383307051T patent/DE3380551D1/en not_active Expired
- 1983-11-18 EP EP19830307051 patent/EP0109839B1/en not_active Expired

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1285559A (en) *	1961-03-15	1962-02-23	Union Carbide Corp	Production of artificial graphite
LU60219A1 (en) *	1969-01-30	1970-03-23
FR2133802A1 (en) *	1971-04-15	1972-12-01	Lonza Ag
EP0063710A1 (en) *	1981-04-23	1982-11-03	Arc Technologies Systems, Ltd.	Electrode for arc furnaces, and method of using it

Also Published As

Publication number	Publication date
EP0109839B1 (en)	1989-09-06
ES527373A0 (en)	1984-08-16
DE3380551D1 (en)	1989-10-12
EP0109839A2 (en)	1984-05-30
JPS59108294A (en)	1984-06-22
ES8407284A1 (en)	1984-08-16
JPH0137839B2 (en)	1989-08-09

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Legal Events

Date	Code	Title	Description
1984-03-31	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
1984-05-30	AK	Designated contracting states	Designated state(s): DE FR GB IT
1985-04-17	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1985-06-19	AK	Designated contracting states	Designated state(s): DE FR GB IT
1985-12-27	17P	Request for examination filed	Effective date: 19851017
1987-05-13	17Q	First examination report despatched	Effective date: 19870325
1989-07-22	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1989-08-31	ITF	It: translation for a ep patent filed
1989-09-06	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1989-10-12	REF	Corresponds to:	Ref document number: 3380551 Country of ref document: DE Date of ref document: 19891012
1989-11-24	ET	Fr: translation filed
1990-06-28	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-06-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1990-08-16	26N	No opposition filed
1991-11-30	ITTA	It: last paid annual fee
1995-09-05	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19950905 Year of fee payment: 13
1995-09-11	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19950911 Year of fee payment: 13
1995-09-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19950927 Year of fee payment: 13
1996-11-18	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19961118
1997-07-09	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19961118
1997-07-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19970731
1997-08-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19970801
1997-09-26	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST