FR748952A - Improvement in process and furnace for the treatment of metals by heat - Google Patents

Improvement in process and furnace for the treatment of metals by heat

Info

Publication number
FR748952A
FR748952A FR748952DA FR748952A FR 748952 A FR748952 A FR 748952A FR 748952D A FR748952D A FR 748952DA FR 748952 A FR748952 A FR 748952A
Authority
FR
France
Prior art keywords
furnace
metals
improvement
treatment
heat
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.)
Flinn & Dreffein Co
Original Assignee
Flinn & Dreffein Co
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 Flinn & Dreffein Co filed Critical Flinn & Dreffein Co
Application granted granted Critical
Publication of FR748952A publication Critical patent/FR748952A/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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material

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)
FR748952D 1933-01-07 1933-01-07 Improvement in process and furnace for the treatment of metals by heat Expired FR748952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR748952T 1933-01-07

Publications (1)

Publication Number Publication Date
FR748952A true FR748952A (en) 1933-07-13

Family

ID=9148788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR748952D Expired FR748952A (en) 1933-01-07 1933-01-07 Improvement in process and furnace for the treatment of metals by heat

Country Status (1)

Country Link
FR (1) FR748952A (en)

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