FR2481322B1 - - Google Patents

Info

Publication number
FR2481322B1
FR2481322B1 FR8009332A FR8009332A FR2481322B1 FR 2481322 B1 FR2481322 B1 FR 2481322B1 FR 8009332 A FR8009332 A FR 8009332A FR 8009332 A FR8009332 A FR 8009332A FR 2481322 B1 FR2481322 B1 FR 2481322B1
Authority
FR
France
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
FR8009332A
Other languages
French (fr)
Other versions
FR2481322A1 (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.)
Renault SA
Original Assignee
Renault SA
Regie Nationale des Usines 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 by Renault SA, Regie Nationale des Usines Renault filed Critical Renault SA
Priority to FR8009332A priority Critical patent/FR2481322A1/fr
Publication of FR2481322A1 publication Critical patent/FR2481322A1/fr
Application granted granted Critical
Publication of FR2481322B1 publication Critical patent/FR2481322B1/fr
Granted 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
    • C23C8/36—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 using ionised gases, e.g. ionitriding
    • C23C8/38—Treatment of ferrous surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/10—Connecting springs to valve members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Springs (AREA)
FR8009332A 1980-04-25 1980-04-25 Methode de traitement de pieces en acier par nitruration ionique Granted FR2481322A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8009332A FR2481322A1 (fr) 1980-04-25 1980-04-25 Methode de traitement de pieces en acier par nitruration ionique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8009332A FR2481322A1 (fr) 1980-04-25 1980-04-25 Methode de traitement de pieces en acier par nitruration ionique

Publications (2)

Publication Number Publication Date
FR2481322A1 FR2481322A1 (fr) 1981-10-30
FR2481322B1 true FR2481322B1 (enExample) 1984-02-03

Family

ID=9241352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009332A Granted FR2481322A1 (fr) 1980-04-25 1980-04-25 Methode de traitement de pieces en acier par nitruration ionique

Country Status (1)

Country Link
FR (1) FR2481322A1 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110290A1 (fr) * 1970-10-08 1972-06-02 Berghaus Elektrophysik Anst Procede pour ameliorer la resistance a la fatigue et a l'usure,les proprietes de glissement et la resistance a la corrosion de surfaces de pieces en fer et en acier
JPS5114838A (en) * 1974-07-29 1976-02-05 Togo Seisakusho Kk Ionchitsukanyoru kotsukaregendobaneno seizohoho

Also Published As

Publication number Publication date
FR2481322A1 (fr) 1981-10-30

Similar Documents

Publication Publication Date Title
FR2473404B1 (enExample)
FR2473414B1 (enExample)
FR2472909B1 (enExample)
FR2473525B1 (enExample)
DE3152454A1 (enExample)
DE3152591A1 (enExample)
AR241063A2 (enExample)
FR2473185B1 (enExample)
FR2473464B1 (enExample)
FR2473575B1 (enExample)
CH654544B (enExample)
CH655418B (enExample)
DE3152703A1 (enExample)
FR2473415B1 (enExample)
FR2473513B1 (enExample)
FR2472955B1 (enExample)
FR2473559B1 (enExample)
DE3153267A1 (enExample)
CH655498B (enExample)
FR2473029B3 (enExample)
FR2473104B3 (enExample)
FR2473140B1 (enExample)
DK29281A (enExample)
FR2473556B1 (enExample)
CH655542B (enExample)

Legal Events

Date Code Title Description
ST Notification of lapse