IT1124814B - Rivestimenti mediante conversione non di cromato - Google Patents

Rivestimenti mediante conversione non di cromato

Info

Publication number
IT1124814B
IT1124814B IT26889/79A IT2688979A IT1124814B IT 1124814 B IT1124814 B IT 1124814B IT 26889/79 A IT26889/79 A IT 26889/79A IT 2688979 A IT2688979 A IT 2688979A IT 1124814 B IT1124814 B IT 1124814B
Authority
IT
Italy
Prior art keywords
coatings
chrome conversion
chrome
conversion
Prior art date
Application number
IT26889/79A
Other languages
English (en)
Other versions
IT7926889A0 (it
Inventor
Ajay Mangaldas Bengali
Richard Frederick Zuendt
John Leslie Hugh Allan
Philip David Readio
Original Assignee
Dart Ind Inc
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
Priority claimed from US06/045,161 external-priority patent/US4225350A/en
Application filed by Dart Ind Inc filed Critical Dart Ind Inc
Publication of IT7926889A0 publication Critical patent/IT7926889A0/it
Application granted granted Critical
Publication of IT1124814B publication Critical patent/IT1124814B/it

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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/53—Treatment of zinc or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Paints Or Removers (AREA)
IT26889/79A 1978-10-30 1979-10-29 Rivestimenti mediante conversione non di cromato IT1124814B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95581278A 1978-10-30 1978-10-30
US06/045,161 US4225350A (en) 1979-06-04 1979-06-04 Non-chromate conversion coatings

Publications (2)

Publication Number Publication Date
IT7926889A0 IT7926889A0 (it) 1979-10-29
IT1124814B true IT1124814B (it) 1986-05-14

Family

ID=26722445

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26889/79A IT1124814B (it) 1978-10-30 1979-10-29 Rivestimenti mediante conversione non di cromato

Country Status (6)

Country Link
CA (1) CA1134725A (it)
DE (1) DE2943834A1 (it)
FR (1) FR2440411A1 (it)
GB (1) GB2032466B (it)
IT (1) IT1124814B (it)
NL (1) NL7907960A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812271B4 (de) 1998-03-20 2013-08-01 Deere & Company Einrichtung zum Überwachen des Abstandes zwischen einem Messer einer rotierenden Schneidtrommel und einer Gegenschneide einer Erntemaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210834A (en) * 1975-06-02 1977-01-27 Nippon Packaging Kk Surface treatment of metal

Also Published As

Publication number Publication date
FR2440411B1 (it) 1982-07-16
IT7926889A0 (it) 1979-10-29
NL7907960A (nl) 1980-05-02
GB2032466B (en) 1982-10-13
DE2943834A1 (de) 1980-05-08
GB2032466A (en) 1980-05-08
CA1134725A (en) 1982-11-02
FR2440411A1 (fr) 1980-05-30

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