EP0320952A3 - Process for the electrolytic colouring of anodically obtained oxide layers on aluminium or aluminium alloys - Google Patents

Process for the electrolytic colouring of anodically obtained oxide layers on aluminium or aluminium alloys Download PDF

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Publication number
EP0320952A3
EP0320952A3 EP88121038A EP88121038A EP0320952A3 EP 0320952 A3 EP0320952 A3 EP 0320952A3 EP 88121038 A EP88121038 A EP 88121038A EP 88121038 A EP88121038 A EP 88121038A EP 0320952 A3 EP0320952 A3 EP 0320952A3
Authority
EP
European Patent Office
Prior art keywords
aluminium
stage
oxide layers
alternating current
anodically
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.)
Granted
Application number
EP88121038A
Other languages
English (en)
Other versions
EP0320952A2 (de
EP0320952B1 (de
Inventor
Gartner & Co. Josef
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88121038T priority Critical patent/ATE89338T1/de
Publication of EP0320952A2 publication Critical patent/EP0320952A2/de
Publication of EP0320952A3 publication Critical patent/EP0320952A3/de
Application granted granted Critical
Publication of EP0320952B1 publication Critical patent/EP0320952B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C25D11/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electrochemical Coating By Surface Reaction (AREA)
  • Drawing Aids And Blackboards (AREA)
EP88121038A 1987-12-18 1988-12-15 Verfahren zum elektrolytischen Färben von anodisch erzeugten Oxidschichten auf Aluminium und Aluminiumlegierungen Expired - Lifetime EP0320952B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88121038T ATE89338T1 (de) 1987-12-18 1988-12-15 Verfahren zum elektrolytischen faerben von anodisch erzeugten oxidschichten auf aluminium und aluminiumlegierungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873743113 DE3743113A1 (de) 1987-12-18 1987-12-18 Verfahren zum elektrolytischen faerben von anodisch erzeugten oxidschichten auf aluminium und aluminiumlegierungen
DE3743113 1987-12-18

Publications (3)

Publication Number Publication Date
EP0320952A2 EP0320952A2 (de) 1989-06-21
EP0320952A3 true EP0320952A3 (en) 1990-01-31
EP0320952B1 EP0320952B1 (de) 1993-05-12

Family

ID=6343004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88121038A Expired - Lifetime EP0320952B1 (de) 1987-12-18 1988-12-15 Verfahren zum elektrolytischen Färben von anodisch erzeugten Oxidschichten auf Aluminium und Aluminiumlegierungen

Country Status (3)

Country Link
EP (1) EP0320952B1 (de)
AT (1) ATE89338T1 (de)
DE (2) DE3743113A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487754A1 (de) * 1990-11-25 1992-06-03 BEFELD SYSTEME GmbH Verfahren zum elektrolytischen Färben von anodisch erzeugten Oxidschichten auf Aluminium und Aluminiumlegierungen
ES2052455B1 (es) * 1992-12-31 1994-12-01 Novamax Tech Holdings Procedimiento para la obtencion por via electrolitica sobre aluminio anodizado de una gama de colores del espectro visible.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2053972A (en) * 1979-07-04 1981-02-11 Empresa Nacional Aluminio Electrolytic colouring of anodized aluminium
EP0239944A1 (de) * 1986-04-01 1987-10-07 Fujisash Company Verfahren zum elektrolytischen Färben von Aluminium oder Aluminiumlegierungen
EP0279146A1 (de) * 1987-01-16 1988-08-24 Alusuisse-Lonza Services Ag Verfahren zum elektrolytischen Färben einer anodischen Oxidschicht auf Aluminium oder Aluminiumlegierungen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1902983C3 (de) * 1968-06-21 1978-06-22 Keller, Eberhard, 7121 Freudental Verfahren zum elektrolytischen Färben von anodischen Oxidschichten auf Aluminium oder Aluminiumlegierungen
FR2052100A5 (de) * 1969-07-16 1971-04-09 Cegedur Gp
JPS5014623B1 (de) * 1971-02-22 1975-05-29
JPS547267B2 (de) * 1973-09-21 1979-04-05
JPS5423664B2 (de) * 1975-03-06 1979-08-15
ES437604A1 (es) * 1975-05-12 1977-01-16 Empresa Nacional Aluminio Sistema de autocontrol y regulacion del valor medio de la tension aplicada en procesos de coloracion electrolitica de aluminio anodizado.
ES474736A1 (es) * 1978-10-31 1979-04-01 Empresa Nacional Aluminio Sistema de generacion y autocontrol de la forma de onda y - tension o corriente aplicable a procesos de coloracion elec-trolitica del aluminio anodizado.
ES8201232A1 (es) * 1981-01-16 1981-12-01 Ronain Sa Procedimiento de coloracion por via electrolitica de una pieza de aluminio o de aleacion de aluminio

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2053972A (en) * 1979-07-04 1981-02-11 Empresa Nacional Aluminio Electrolytic colouring of anodized aluminium
EP0239944A1 (de) * 1986-04-01 1987-10-07 Fujisash Company Verfahren zum elektrolytischen Färben von Aluminium oder Aluminiumlegierungen
EP0279146A1 (de) * 1987-01-16 1988-08-24 Alusuisse-Lonza Services Ag Verfahren zum elektrolytischen Färben einer anodischen Oxidschicht auf Aluminium oder Aluminiumlegierungen

Also Published As

Publication number Publication date
DE3880990D1 (de) 1993-06-17
EP0320952A2 (de) 1989-06-21
DE3743113C2 (de) 1992-05-07
ATE89338T1 (de) 1993-05-15
EP0320952B1 (de) 1993-05-12
DE3743113A1 (de) 1989-06-29

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