EP0467858A3 - Improvement for processes for continuous coating of metal surfaces with chromium metal and chromium oxide - Google Patents

Improvement for processes for continuous coating of metal surfaces with chromium metal and chromium oxide Download PDF

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Publication number
EP0467858A3
EP0467858A3 EP19910830288 EP91830288A EP0467858A3 EP 0467858 A3 EP0467858 A3 EP 0467858A3 EP 19910830288 EP19910830288 EP 19910830288 EP 91830288 A EP91830288 A EP 91830288A EP 0467858 A3 EP0467858 A3 EP 0467858A3
Authority
EP
European Patent Office
Prior art keywords
metal
chromium
improvement
processes
continuous coating
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.)
Withdrawn
Application number
EP19910830288
Other languages
English (en)
Other versions
EP0467858A2 (en
Inventor
Mauro Campioni
Vincenzo Ferrari
Leonardo Pacelli
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.)
Rina Consulting Centro Sviluppo Materiali SpA
Original Assignee
Centro Sviluppo Materiali SpA
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 Centro Sviluppo Materiali SpA filed Critical Centro Sviluppo Materiali SpA
Publication of EP0467858A2 publication Critical patent/EP0467858A2/en
Publication of EP0467858A3 publication Critical patent/EP0467858A3/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP19910830288 1990-07-17 1991-06-27 Improvement for processes for continuous coating of metal surfaces with chromium metal and chromium oxide Withdrawn EP0467858A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT48149A IT1241489B (it) 1990-07-17 1990-07-17 Pefezionamento ai procedimenti per rivestimento in continuo con cromo metallico e ossido di cromo di superfici metalliche.
IT4814990 1990-07-17

Publications (2)

Publication Number Publication Date
EP0467858A2 EP0467858A2 (en) 1992-01-22
EP0467858A3 true EP0467858A3 (en) 1993-02-24

Family

ID=11264843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910830288 Withdrawn EP0467858A3 (en) 1990-07-17 1991-06-27 Improvement for processes for continuous coating of metal surfaces with chromium metal and chromium oxide

Country Status (2)

Country Link
EP (1) EP0467858A3 (it)
IT (1) IT1241489B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2138584C1 (ru) * 1998-08-31 1999-09-27 Абдрафиков Станислав Николаевич Способ защиты автоклава от коррозии
ES2743802T3 (es) * 2014-05-21 2020-02-20 Tata Steel Ijmuiden Bv Método para enchapar una tira de metal en movimiento

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221677A (en) * 1968-04-16 1971-02-03 Cyril George Matthews Process for anodically cleaning and coating metal substrates
EP0250792A1 (en) * 1986-05-12 1988-01-07 Nippon Steel Corporation A chromate treatment of a metal coated steel sheet
EP0332872A2 (en) * 1988-02-27 1989-09-20 Nkk Corporation Method for manufacturing electrolytically chromated steel sheet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221677A (en) * 1968-04-16 1971-02-03 Cyril George Matthews Process for anodically cleaning and coating metal substrates
EP0250792A1 (en) * 1986-05-12 1988-01-07 Nippon Steel Corporation A chromate treatment of a metal coated steel sheet
EP0332872A2 (en) * 1988-02-27 1989-09-20 Nkk Corporation Method for manufacturing electrolytically chromated steel sheet

Also Published As

Publication number Publication date
EP0467858A2 (en) 1992-01-22
IT9048149A0 (it) 1990-07-17
IT1241489B (it) 1994-01-17
IT9048149A1 (it) 1992-01-17

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