FR540624A - Electric resistance oven - Google Patents

Electric resistance oven

Info

Publication number
FR540624A
FR540624A FR540624DA FR540624A FR 540624 A FR540624 A FR 540624A FR 540624D A FR540624D A FR 540624DA FR 540624 A FR540624 A FR 540624A
Authority
FR
France
Prior art keywords
electric resistance
resistance oven
oven
electric
resistance
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR540624A publication Critical patent/FR540624A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR540624D 1918-09-21 1921-09-03 Electric resistance oven Expired FR540624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US540624XA 1918-09-21 1918-09-21

Publications (1)

Publication Number Publication Date
FR540624A true FR540624A (en) 1922-07-13

Family

ID=21988534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540624D Expired FR540624A (en) 1918-09-21 1921-09-03 Electric resistance oven

Country Status (1)

Country Link
FR (1) FR540624A (en)

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