FR800151A - Apparatus for autogenous hardening of surfaces with automatic torch control - Google Patents

Apparatus for autogenous hardening of surfaces with automatic torch control

Info

Publication number
FR800151A
FR800151A FR800151DA FR800151A FR 800151 A FR800151 A FR 800151A FR 800151D A FR800151D A FR 800151DA FR 800151 A FR800151 A FR 800151A
Authority
FR
France
Prior art keywords
autogenous
hardening
torch control
automatic torch
automatic
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR800151A publication Critical patent/FR800151A/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
    • C21D1/06—Surface hardening
    • C21D1/08—Surface hardening with flames
    • 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
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like

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)
FR800151D 1934-12-29 1935-12-30 Apparatus for autogenous hardening of surfaces with automatic torch control Expired FR800151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE800151X 1934-12-29

Publications (1)

Publication Number Publication Date
FR800151A true FR800151A (en) 1936-06-29

Family

ID=6712162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800151D Expired FR800151A (en) 1934-12-29 1935-12-30 Apparatus for autogenous hardening of surfaces with automatic torch control

Country Status (1)

Country Link
FR (1) FR800151A (en)

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