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FR851480A - Improvement tempering and heat treatment furnace - Google Patents

Improvement tempering and heat treatment furnace

Info

Publication number
FR851480A
FR851480A FR851480DA FR851480A FR 851480 A FR851480 A FR 851480A FR 851480D A FR851480D A FR 851480DA FR 851480 A FR851480 A FR 851480A
Authority
FR
France
Prior art keywords
tempering
improvement
heat treatment
treatment furnace
furnace
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.)
Ruhrstahl AG
Original Assignee
Ruhrstahl AG
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 Ruhrstahl AG filed Critical Ruhrstahl AG
Application granted granted Critical
Publication of FR851480A publication Critical patent/FR851480A/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
    • 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)
  • Tunnel Furnaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
FR851480D 1938-05-03 1939-03-11 Improvement tempering and heat treatment furnace Expired FR851480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER102234D DE741423C (en) 1938-05-03 1938-05-03 Process and device for the optional operation of an annealing furnace operated by burner heating as a hardening and tempering furnace for heavy workpieces

Publications (1)

Publication Number Publication Date
FR851480A true FR851480A (en) 1940-01-09

Family

ID=7420670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851480D Expired FR851480A (en) 1938-05-03 1939-03-11 Improvement tempering and heat treatment furnace

Country Status (2)

Country Link
DE (1) DE741423C (en)
FR (1) FR851480A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE485713C (en) * 1929-11-04 Chemisch Tech Ges M B H Rolling device for heating gases
DE220056C (en) *
DE397939C (en) * 1923-07-18 1924-07-10 Hans Emmerling Dipl Ing Oven for hardening, glowing and tempering
DE488450C (en) * 1926-01-01 1929-12-30 Reischach & Co G M B H Process for uniform heating of metals or similar substances and for maintaining a uniform temperature by a circulating flow of heating gas
DE605501C (en) * 1928-04-19 1934-11-29 Arthur Theadore Kathner Process for the operation of open ovens, which work in uninterrupted operations, for handling sheet iron or the like, and open ovens for carrying out the process
DE611994C (en) * 1931-05-01 1935-04-10 Arthur Theadore Kathner Method and apparatus for operating the furnace
DE700867C (en) * 1939-04-04 1941-01-02 Indugas Ind U Gasofen Baugesel Annealing furnace for batch loading with circulating heating

Also Published As

Publication number Publication date
DE741423C (en) 1943-11-11

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