GB2237817B - Process for electrolytically treating aluminium and aluminium alloys - Google Patents

Process for electrolytically treating aluminium and aluminium alloys

Info

Publication number
GB2237817B
GB2237817B GB9023974A GB9023974A GB2237817B GB 2237817 B GB2237817 B GB 2237817B GB 9023974 A GB9023974 A GB 9023974A GB 9023974 A GB9023974 A GB 9023974A GB 2237817 B GB2237817 B GB 2237817B
Authority
GB
United Kingdom
Prior art keywords
aluminium
electrolytically treating
alloys
aluminium alloys
electrolytically
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 - Fee Related
Application number
GB9023974A
Other versions
GB2237817A (en
GB9023974D0 (en
Inventor
Pinakin Patel
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.)
Sandoz AG
Original Assignee
Sandoz AG
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 Sandoz AG filed Critical Sandoz AG
Publication of GB9023974D0 publication Critical patent/GB9023974D0/en
Publication of GB2237817A publication Critical patent/GB2237817A/en
Application granted granted Critical
Publication of GB2237817B publication Critical patent/GB2237817B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/12—Anodising more than once, e.g. in different baths
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/20—Electrolytic after-treatment
    • C25D11/22—Electrolytic after-treatment for colouring layers
GB9023974A 1989-11-08 1990-11-05 Process for electrolytically treating aluminium and aluminium alloys Expired - Fee Related GB2237817B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43349889A 1989-11-08 1989-11-08

Publications (3)

Publication Number Publication Date
GB9023974D0 GB9023974D0 (en) 1990-12-19
GB2237817A GB2237817A (en) 1991-05-15
GB2237817B true GB2237817B (en) 1994-03-02

Family

ID=23720344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023974A Expired - Fee Related GB2237817B (en) 1989-11-08 1990-11-05 Process for electrolytically treating aluminium and aluminium alloys

Country Status (8)

Country Link
JP (1) JP2953474B2 (en)
CA (1) CA2029438C (en)
CH (1) CH682240A5 (en)
DE (1) DE4034854C2 (en)
FR (1) FR2654118B1 (en)
GB (1) GB2237817B (en)
HK (1) HK100696A (en)
IT (1) IT1242327B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1207221A4 (en) * 1999-06-25 2002-09-11 Nippon Light Metal Co Method for electrolytic coloring of aluminum material
DE19938180C1 (en) * 1999-08-17 2001-01-11 Erbsloeh Ag Process for electrolytically coloring aluminum or aluminum alloy workpieces comprises anodizing the workpiece to form a covering layer, treating layer with a direct current and coloring the workpiece in an electrolytic solution
JP4660760B2 (en) * 2005-06-02 2011-03-30 国立大学法人広島大学 Method for forming anodized film of aluminum and / or aluminum alloy and anodized film formed by the method
PL241203B1 (en) * 2020-07-29 2022-08-22 Canpack Spolka Akcyjna Method of producing an interference coating

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773631A (en) * 1970-10-16 1973-11-20 Blasberg Gmbh & Co Kg Friedr Aqueous electrolytic bath for coloring anodic oxide layers on aluminum and aluminum alloy substrates and process for coloring said substrates
US4180443A (en) * 1978-06-28 1979-12-25 Reynolds Metals Company Method for coloring aluminum
US4251330A (en) * 1978-01-17 1981-02-17 Alcan Research And Development Limited Electrolytic coloring of anodized aluminium by means of optical interference effects
EP0056478A1 (en) * 1981-01-16 1982-07-28 Ronain, S.A. Process for electrolytically colouring a piece of aluminium or aluminium alloy
EP0065421A1 (en) * 1981-05-19 1982-11-24 Sankyo Aluminium Industry Company Limited Method of treating a surface of an aluminum to form a pattern thereon
GB2127849A (en) * 1982-10-07 1984-04-18 Grace W R & Co Electrocoloring aluminum or alloy thereof in a yellow to orange color
US4737245A (en) * 1985-08-29 1988-04-12 Chemal Gmbh & Co. Kg Method for uniformly electrolytically coloring anodized aluminum or aluminum alloys

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1948552B2 (en) * 1968-09-26 1971-04-22 PROCESS FOR THE ELECTROLYTIC PRODUCTION OF COLORED OXIDE COATINGS ON ALUMINUM
FR2178820A2 (en) * 1972-04-04 1973-11-16 Keller Eberhard Colouring anodised aluminium - or alloys by electrolysing in modified tin salts soln
DE2548177A1 (en) * 1975-10-28 1977-05-12 Alcan Res & Dev Electrolytically colouring anodised aluminium - is carried out after two step anodising using first sulphuric acid then phosphoric acid electrolyte
US4179342A (en) * 1978-06-28 1979-12-18 Reynolds Metals Company Coating system method for coloring aluminum

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773631A (en) * 1970-10-16 1973-11-20 Blasberg Gmbh & Co Kg Friedr Aqueous electrolytic bath for coloring anodic oxide layers on aluminum and aluminum alloy substrates and process for coloring said substrates
US4251330A (en) * 1978-01-17 1981-02-17 Alcan Research And Development Limited Electrolytic coloring of anodized aluminium by means of optical interference effects
US4180443A (en) * 1978-06-28 1979-12-25 Reynolds Metals Company Method for coloring aluminum
EP0056478A1 (en) * 1981-01-16 1982-07-28 Ronain, S.A. Process for electrolytically colouring a piece of aluminium or aluminium alloy
EP0065421A1 (en) * 1981-05-19 1982-11-24 Sankyo Aluminium Industry Company Limited Method of treating a surface of an aluminum to form a pattern thereon
GB2127849A (en) * 1982-10-07 1984-04-18 Grace W R & Co Electrocoloring aluminum or alloy thereof in a yellow to orange color
US4737245A (en) * 1985-08-29 1988-04-12 Chemal Gmbh & Co. Kg Method for uniformly electrolytically coloring anodized aluminum or aluminum alloys

Also Published As

Publication number Publication date
JP2953474B2 (en) 1999-09-27
IT9048443A0 (en) 1990-11-06
FR2654118A1 (en) 1991-05-10
GB2237817A (en) 1991-05-15
FR2654118B1 (en) 1993-06-25
CH682240A5 (en) 1993-08-13
DE4034854C2 (en) 2000-08-17
IT1242327B (en) 1994-03-04
CA2029438A1 (en) 1991-05-09
HK100696A (en) 1996-06-21
CA2029438C (en) 2001-10-02
GB9023974D0 (en) 1990-12-19
IT9048443A1 (en) 1992-05-06
JPH03207895A (en) 1991-09-11
DE4034854A1 (en) 1991-05-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee