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

Info

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Withdrawn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 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.)
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Withdrawn legal-status Critical Current

Links

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)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Chemical Treatment Of Metals (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
IT4814990 1990-07-17
IT48149A IT1241489B (en) 1990-07-17 1990-07-17 PROCESSING FOR CONTINUOUS COATING WITH METALLIC CHROME AND CHROMIUM OXIDE OF METALLIC SURFACES.

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 (en)
IT (1) IT1241489B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6571112B2 (en) * 2014-05-21 2019-09-04 タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップＴａｔａ Ｓｔｅｅｌ Ｉｊｍｕｉｄｅｎ Ｂｖ Method for plating moving metal strip and coated metal strip produced thereby

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
IT1241489B (en) 1994-01-17
IT9048149A1 (en) 1992-01-17
EP0467858A2 (en) 1992-01-22
IT9048149A0 (en) 1990-07-17

Similar Documents

Publication Publication Date Title
HK147395A (en) Coated metal fastener and coating composition therefor
GB2204594B (en) Process for the continuous electrodeposition of chromium metal and chromium oxide on metal surfaces
GB2247683B (en) Novel aqueous coating composition and coating method with use of the composition
EP0450805A3 (en) Process for coating metal oxide pigments and pigments obtained
GB9406220D0 (en) Finish coating composition and method of forming its coating film
EP0176251A3 (en) Heat-resisting coating composition and heat-resisting coat
GB9423250D0 (en) Ferrous alloy composition and manufacture and coating methods of mechanical products using the same
AU2835692A (en) Coating composition and metal coil coating process employing same
ZA913133B (en) Process of phosphating metal surfaces
DE3571633D1 (en) Process and composition for coating metal surfaces
EP0665955A4 (en) Particles having gelatin-aminodextran coatings of and processes for making same.
GB2188946B (en) Processes and compositions for coating metal surfaces
GB9200401D0 (en) Method of making precursors and articles of ceramic-reinforced metal composites
EP0437972A3 (en) Non-aqueous coating composition and coated metal
GB9310103D0 (en) Coating composition and method of forming
SG42991A1 (en) Metal thin film having excellent transferability and method of preparing the same
ZA935318B (en) Process and aqueous composition for degreasing metal surface
GB2248626B (en) Direct reduction of metal oxides
AU1389288A (en) Oxycarbonitriding and nitriding of ferrous metal surfaces
DE3260709D1 (en) Steel strip having differentiated multilayer coatings and being useful for manufacture of cans
EP0467858A3 (en) Improvement for processes for continuous coating of metal surfaces with chromium metal and chromium oxide
GB2240787B (en) Precursors for metal fluoride deposition and use thereof
GB9224242D0 (en) Preparation of metal or oxide films
EP0461500A3 (en) Coating and its use for coating heat resistant substrates
GB2241508B (en) Conditioning of metal surfaces

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FR GB GR LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB GR LI LU NL SE

17P Request for examination filed

Effective date: 19930810

17Q First examination report despatched

Effective date: 19940530

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19951030