FR520823A - Perfectionnements aux fours électriques - Google Patents

Perfectionnements aux fours électriques

Info

Publication number
FR520823A
FR520823A FR520823A FR520823DA FR520823A FR 520823 A FR520823 A FR 520823A FR 520823 A FR520823 A FR 520823A FR 520823D A FR520823D A FR 520823DA FR 520823 A FR520823 A FR 520823A
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
FR520823A
Other languages
English (en)
Inventor
Thomas Duncan Robertson
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.)
ELECTRO METALS Ltd
Original Assignee
ELECTRO METALS Ltd
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 ELECTRO METALS Ltd filed Critical ELECTRO METALS Ltd
Application granted granted Critical
Publication of FR520823A publication Critical patent/FR520823A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/08—Apparatus
    • 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
    • F27D11/02—Ohmic resistance heating
    • F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
    • 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
    • H05B7/18—Heating by arc discharge
    • H05B7/20—Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
FR520823A 1918-07-18 1920-07-21 Perfectionnements aux fours électriques Expired FR520823A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB520823X 1918-07-18

Publications (1)

Publication Number Publication Date
FR520823A true FR520823A (fr) 1921-07-02

Family

ID=10462561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520823A Expired FR520823A (fr) 1918-07-18 1920-07-21 Perfectionnements aux fours électriques

Country Status (1)

Country Link
FR (1) FR520823A (fr)

Similar Documents

Publication Publication Date Title
FR550705A (fr) Perfectionnements aux fours électriques
FR499315A (fr) Perfectionnements aux fours électriques
FR500555A (fr) Perfectionnements aux fours électriques
FR496577A (fr) Perfectionnements aux fours électriques
FR497291A (fr) Perfectionnements aux fours électriques
FR506509A (fr) Perfectionnements aux fours électriques
FR511438A (fr) Perfectionnements aux fours électriques
FR520823A (fr) Perfectionnements aux fours électriques
FR492234A (fr) Perfectionnements apportés aux fours
FR500955A (fr) Perfectionnements aux fours électriques
FR494965A (fr) Perfectionnements aux fours
FR492836A (fr) Perfectionnements apportés ou relatifs aux fours électriques
FR512207A (fr) Perfectionnements aux fours électriques
FR486422A (fr) Perfectionnements aux fours électriques
FR487605A (fr) Perfectionnements apportés aux fours électriques
FR491107A (fr) Perfectionnements aux fours électriques
FR487604A (fr) Perfectionnements apportés aux fours électriques
FR503914A (fr) Perfectionnements relatifs aux fours électriques
FR494908A (fr) Perfectionnements aux interrupteurs électriques
FR509035A (fr) Perfectionnements aux portes de fours électriques
FR497269A (fr) Perfectionnements aux fours
FR517975A (fr) Perfectionnements aux corps calorifiques électriques
FR501206A (fr) Perfectionnements apportés aux batteries électriques
FR496283A (fr) Perfectionnements aux lampes électriques
FR496628A (fr) Perfectionnements aux fours martin-siemens et autres fours similaires