FR782239A - Device for hardening helical toothed wheels - Google Patents

Device for hardening helical toothed wheels

Info

Publication number
FR782239A
FR782239A FR782239DA FR782239A FR 782239 A FR782239 A FR 782239A FR 782239D A FR782239D A FR 782239DA FR 782239 A FR782239 A FR 782239A
Authority
FR
France
Prior art keywords
hardening
toothed wheels
helical toothed
helical
wheels
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 FR782239A publication Critical patent/FR782239A/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
    • C21D9/32—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)
FR782239D 1933-12-02 1934-12-03 Device for hardening helical toothed wheels Expired FR782239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE782239X 1933-12-02

Publications (1)

Publication Number Publication Date
FR782239A true FR782239A (en) 1935-05-31

Family

ID=1552419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782239D Expired FR782239A (en) 1933-12-02 1934-12-03 Device for hardening helical toothed wheels

Country Status (1)

Country Link
FR (1) FR782239A (en)

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