FR873803A - Vertical furnace with circulation of the heating gases - Google Patents

Vertical furnace with circulation of the heating gases

Info

Publication number
FR873803A
FR873803A FR873803DA FR873803A FR 873803 A FR873803 A FR 873803A FR 873803D A FR873803D A FR 873803DA FR 873803 A FR873803 A FR 873803A
Authority
FR
France
Prior art keywords
circulation
vertical furnace
heating gases
gases
heating
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.)
SELAS INDUSTRIEOFENBAU WERNER
Original Assignee
SELAS INDUSTRIEOFENBAU WERNER
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 SELAS INDUSTRIEOFENBAU WERNER filed Critical SELAS INDUSTRIEOFENBAU WERNER
Application granted granted Critical
Publication of FR873803A publication Critical patent/FR873803A/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
    • 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
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof

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)
FR873803D 1940-09-05 1941-07-11 Vertical furnace with circulation of the heating gases Expired FR873803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE873803X 1940-09-05

Publications (1)

Publication Number Publication Date
FR873803A true FR873803A (en) 1942-07-21

Family

ID=6816615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873803D Expired FR873803A (en) 1940-09-05 1941-07-11 Vertical furnace with circulation of the heating gases

Country Status (1)

Country Link
FR (1) FR873803A (en)

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