FR2222821B1 - - Google Patents

Info

Publication number
FR2222821B1
FR2222821B1 FR7309827A FR7309827A FR2222821B1 FR 2222821 B1 FR2222821 B1 FR 2222821B1 FR 7309827 A FR7309827 A FR 7309827A FR 7309827 A FR7309827 A FR 7309827A FR 2222821 B1 FR2222821 B1 FR 2222821B1
Authority
FR
France
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.)
Expired
Application number
FR7309827A
Other versions
FR2222821A1 (en
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR7309827A priority Critical patent/FR2222821A1/fr
Publication of FR2222821A1 publication Critical patent/FR2222821A1/fr
Application granted granted Critical
Publication of FR2222821B1 publication Critical patent/FR2222821B1/fr
Granted legal-status Critical Current

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
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/12—Arrangements for cooling, sealing or protecting electrodes
    • 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)
  • Furnace Details (AREA)
FR7309827A 1973-03-20 1973-03-20 Oxidisation limitation of arc furnace electrodes - graphite electrodes protected by inert gas, without furnace modification Granted FR2222821A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7309827A FR2222821A1 (en) 1973-03-20 1973-03-20 Oxidisation limitation of arc furnace electrodes - graphite electrodes protected by inert gas, without furnace modification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7309827A FR2222821A1 (en) 1973-03-20 1973-03-20 Oxidisation limitation of arc furnace electrodes - graphite electrodes protected by inert gas, without furnace modification

Publications (2)

Publication Number Publication Date
FR2222821A1 FR2222821A1 (en) 1974-10-18
FR2222821B1 true FR2222821B1 (fr) 1976-05-21

Family

ID=9116535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309827A Granted FR2222821A1 (en) 1973-03-20 1973-03-20 Oxidisation limitation of arc furnace electrodes - graphite electrodes protected by inert gas, without furnace modification

Country Status (1)

Country Link
FR (1) FR2222821A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4287381A (en) * 1978-12-19 1981-09-01 British Steel Corporation Electric arc furnace electrodes
CA1199358A (fr) * 1982-06-04 1986-01-14 Robert W. Montgomery Electrodes pour four electrique a arc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1542716A (en) * 1923-04-18 1925-06-16 William H Payne Means for protecting furnace electrodes
DE1133486B (de) * 1956-10-13 1962-07-19 Beteiligungs & Patentverw Gmbh Lichtbogenschmelz- und Lichtbogenreduktionsofen
DE1257308B (de) * 1965-10-29 1967-12-28 Sueddeutsche Kalkstickstoff Lichtbogenschmelzofen mit Stoffzufuhr durch Hohlelektroden
US3341648A (en) * 1966-07-18 1967-09-12 Exxon Research Engineering Co Electrode installation

Also Published As

Publication number Publication date
FR2222821A1 (en) 1974-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse