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FR550705A - Improvements to electric ovens - Google Patents

Improvements to electric ovens

Info

Publication number
FR550705A
FR550705A FR550705DA FR550705A FR 550705 A FR550705 A FR 550705A FR 550705D A FR550705D A FR 550705DA FR 550705 A FR550705 A FR 550705A
Authority
FR
France
Prior art keywords
electric ovens
ovens
electric
Prior art date
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
Other languages
French (fr)
Inventor
Roy Anthony Driscoll
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 filed Critical
Priority claimed from DED41642D external-priority patent/DE438783C/en
Application granted granted Critical
Publication of FR550705A publication Critical patent/FR550705A/en
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • 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
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
FR550705D 1919-12-05 1922-04-27 Improvements to electric ovens Expired FR550705A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34268019 US1421185A (en) 1919-12-05 1919-12-05 Electric furnace
GB1150322A GB199546A (en) 1919-12-05 1922-04-24 Improvements in or relating to electric furnaces
DED41642D DE438783C (en) 1919-12-05 1922-04-29 Electric melting furnace

Publications (1)

Publication Number Publication Date
FR550705A true FR550705A (en) 1923-03-16

Family

ID=27209769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR550705D Expired FR550705A (en) 1919-12-05 1922-04-27 Improvements to electric ovens

Country Status (3)

Country Link
US (1) US1421185A (en)
FR (1) FR550705A (en)
GB (1) GB199546A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515764A (en) * 1948-01-10 1950-07-18 Roy A Driscoll Apparatus for converting metals
US2767075A (en) * 1951-03-15 1956-10-16 Albert E Greene Process of directly reducing iron ore containing nickel
US2750286A (en) * 1952-06-21 1956-06-12 Electro Chimie Metal Production of iron-nickel alloys from low grade ores
DE1167368B (en) * 1955-02-14 1964-04-09 Demag Elektrometallurgie Gmbh Operation of a low shaft furnace for refining ores
DE1163350B (en) * 1955-07-07 1964-02-20 Demag Elektrometallurgie Gmbh Process for the refining of dusty or grainy and possibly lumpy ore in electric low-level ovens
US3171878A (en) * 1960-07-22 1965-03-02 Independence Foundation Metallurgical apparatus
AT382890B (en) * 1982-10-05 1987-04-27 Voest Alpine Ag PLASMA MELTING OVEN
US5218617A (en) * 1990-06-01 1993-06-08 Hylsa S.A. De C.V. Apparatus for feeding iron-bearing materials to metallurgical furnaces
AT403846B (en) * 1994-06-28 1998-05-25 Voest Alpine Ind Anlagen SCRAP MELTING ELECTRIC ARC FURNACE
KR100223515B1 (en) * 1995-03-31 1999-10-15 아사무라 타카싯 Preheating and melting apparatus for scrap and its method
DE19846100C2 (en) * 1998-10-07 2000-08-03 Sms Demag Ag DC arc furnace for the production of steel and process therefor
US6478841B1 (en) * 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making

Also Published As

Publication number Publication date
GB199546A (en) 1923-06-28
US1421185A (en) 1922-06-27

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