FR49342E - Steel case-hardening process - Google Patents

Steel case-hardening process

Info

Publication number
FR49342E
FR49342E FR49342DE FR49342E FR 49342 E FR49342 E FR 49342E FR 49342D E FR49342D E FR 49342DE FR 49342 E FR49342 E FR 49342E
Authority
FR
France
Prior art keywords
hardening process
steel case
steel
case
hardening
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
Louis Renault
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 filed Critical
Application granted granted Critical
Publication of FR49342E publication Critical patent/FR49342E/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
FR49342D 1935-12-24 1938-03-30 Steel case-hardening process Expired FR49342E (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR799842T 1935-12-24
FR47594T 1936-08-06
FR47959T 1936-12-15
FR49342T 1938-03-29
FR49338T 1938-03-29

Publications (1)

Publication Number Publication Date
FR49342E true FR49342E (en) 1939-02-17

Family

ID=32320253

Family Applications (5)

Application Number Title Priority Date Filing Date
FR799842D Expired FR799842A (en) 1935-12-24 1935-12-24 Steel case-hardening process
FR47594D Expired FR47594E (en) 1935-12-24 1936-08-06 Steel case-hardening process
FR47959D Expired FR47959E (en) 1935-12-24 1936-12-15 Steel case-hardening process
FR49338D Expired FR49338E (en) 1935-12-24 1938-03-29 Steel case-hardening process
FR49342D Expired FR49342E (en) 1935-12-24 1938-03-30 Steel case-hardening process

Family Applications Before (4)

Application Number Title Priority Date Filing Date
FR799842D Expired FR799842A (en) 1935-12-24 1935-12-24 Steel case-hardening process
FR47594D Expired FR47594E (en) 1935-12-24 1936-08-06 Steel case-hardening process
FR47959D Expired FR47959E (en) 1935-12-24 1936-12-15 Steel case-hardening process
FR49338D Expired FR49338E (en) 1935-12-24 1938-03-29 Steel case-hardening process

Country Status (3)

Country Link
DE (2) DE758345C (en)
FR (5) FR799842A (en)
GB (1) GB480103A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385739A (en) * 1965-04-13 1968-05-28 Eaton Yale & Towne Alloy steel articles and the method of making
DE3110329A1 (en) * 1981-03-17 1982-09-30 Brown, Boveri & Cie Ag, 6800 Mannheim Gas carburisation process
DE19814451A1 (en) * 1998-03-31 1999-10-07 Linde Ag Process for the heat treatment of workpieces under treatment gas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE245183C (en) *
US847588A (en) * 1905-04-13 1907-03-19 Adolph W Machlet Case-hardening.
AT34722B (en) * 1907-02-06 1908-10-10 Friedrich Gross Installation of plants for the reduction of ores.

Also Published As

Publication number Publication date
GB480103A (en) 1938-02-11
DE911138C (en) 1954-05-10
FR47959E (en) 1937-08-28
FR799842A (en) 1936-06-20
FR49338E (en) 1939-02-17
DE758345C (en) 1953-02-09
FR47594E (en) 1937-06-04

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