FR904805A - Process for hardening gears with hardened surface and tough core - Google Patents

Process for hardening gears with hardened surface and tough core

Info

Publication number
FR904805A
FR904805A FR904805DA FR904805A FR 904805 A FR904805 A FR 904805A FR 904805D A FR904805D A FR 904805DA FR 904805 A FR904805 A FR 904805A
Authority
FR
France
Prior art keywords
hardened surface
tough core
hardening gears
hardening
gears
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)
Inventor
Frantisek Poboril
Emmanuel Valenta
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.)
Skoda kp
Original Assignee
Skoda kp
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 Skoda kp filed Critical Skoda kp
Application granted granted Critical
Publication of FR904805A publication Critical patent/FR904805A/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)
FR904805D 1943-05-31 1944-05-31 Process for hardening gears with hardened surface and tough core Expired FR904805A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE904805X 1943-05-31

Publications (1)

Publication Number Publication Date
FR904805A true FR904805A (en) 1945-11-16

Family

ID=6861997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904805D Expired FR904805A (en) 1943-05-31 1944-05-31 Process for hardening gears with hardened surface and tough core

Country Status (1)

Country Link
FR (1) FR904805A (en)

Similar Documents

Publication Publication Date Title
FR946909A (en) Manufacturing process for nitric oxide
FR912794A (en) Method and composition for the treatment of phosphated surfaces
FR1132781A (en) Composition and method for the treatment of metal surfaces
FR977112A (en) Process and apparatus for the manufacture of a phospho-nitrogen fertilizer
FR904805A (en) Process for hardening gears with hardened surface and tough core
FR983910A (en) Process and apparatus for the manufacture of hydrochlorides
FR902206A (en) Process for surface hardening of metal alloys and objects made with these hardened alloys
FR977669A (en) Process and device for the cooling and regular fragmentation of pitches of various origins and in particular of petroleum pitch
FR935378A (en) Process and device for the manufacture of viscose
FR980325A (en) Method and device for strain hardening
FR901205A (en) Induction device for hardening steel parts, preferably cylindrical, in particular gears
FR982969A (en) Process and apparatus for the manufacture of hydrochlorides
FR975606A (en) Process and apparatus for the manufacture of fertilizers
FR919256A (en) Process for the manufacture of construction elements
FR981539A (en) Improvement in an oxidation process
FR905704A (en) Steel making process
FR979038A (en) Manufacturing process of special steels and similar alloys
FR899405A (en) Heat treatment process for structural steels and tool steels
FR900093A (en) Method and device for the manufacture of hollow parts
FR882367A (en) Method and mold for the manufacture of flat or wedge belts
FR982585A (en) Process and apparatus for the manufacture of nitrophosphates
FR915560A (en) Method and apparatus for determining the precision of movements, in particular in horology
FR900147A (en) Method and device for the manufacture of ready-to-use concrete bars
FR931899A (en) Manufacturing process for building components
FR913596A (en) Stainless steel manufacturing process