GB1271303A - Process for colouring anodised aluminium by electrolytic deposition - Google Patents
Process for colouring anodised aluminium by electrolytic depositionInfo
- Publication number
- GB1271303A GB1271303A GB28900/69A GB2890069A GB1271303A GB 1271303 A GB1271303 A GB 1271303A GB 28900/69 A GB28900/69 A GB 28900/69A GB 2890069 A GB2890069 A GB 2890069A GB 1271303 A GB1271303 A GB 1271303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- work load
- colouring
- bath
- anodized aluminium
- counter
- 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
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
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/20—Electrolytic after-treatment
- C25D11/22—Electrolytic after-treatment for colouring layers
-
- 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
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/07—Current distribution within the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
1,271,303. Electrolytic colouring of anodized aluminium. ALCAN RESEARCH & DEVELOPMENT Ltd. June 6, 1969 [July 2, 1968], No.28900/69. Heading C7B. Anodized aluminium is coloured in a metal (e.g. Ni or Cu) salt bath by passing A.C. between the anodized aluminium work load 20, e.g. supported by bus-bar 24, and a counter-electrode structure 26, 27 arranged parallel to the work load, regularly spaced areas within the plane of the structure being unoccupied by effective currentemitting areas, the total effective area being at least 3% (e.g. up to 50%) of the planar area of the structure in relation to the adjacent work load. The structure may be composed of a grid or screen, or of an array of parallel vertical elements, e.g. rods, tubes or strips 28 carried by bus-bars 30, 31. The work load may be anodized aluminium sheet (as shown arranged between parallel counterelectrode structures 26 and 27), rods, bars or individual articles on a rack. The bath tank 22 may be lined with rubber or PVC. An aqueous acid Ni colouring bath is specified containing 25 g/1 Ni SO 4 . ZH 2 O, 20 g/l Mg SO 4 . ZH 2 O, 25 g/l H 3 BO 3 and 15 g/l (NH 4 ) 2 SO 4 with Ni counter-electrodes, the current density being 2À5-3À5 A.S.F. An aqueous acid 35 g/1 Cu SO 4 . 5H 2 O bath may be used with Cu counter-electrodes, the current density being 5 A.S.F., the counterelectrodes may be of graphite, and Ag salts or alkali metal tellurites or selenites may be used for colouring. The anodizing may be conducted in 15% H 2 SO 4 solution using D.C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74200068A | 1968-07-02 | 1968-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1271303A true GB1271303A (en) | 1972-04-19 |
Family
ID=24983105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28900/69A Expired GB1271303A (en) | 1968-07-02 | 1969-06-06 | Process for colouring anodised aluminium by electrolytic deposition |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3622471A (en) |
| AT (1) | AT325368B (en) |
| BE (1) | BE735277A (en) |
| BR (1) | BR6910340D0 (en) |
| CH (1) | CH486565A (en) |
| CS (1) | CS166239B2 (en) |
| DE (1) | DE1931730C3 (en) |
| DK (1) | DK137653B (en) |
| ES (1) | ES369013A1 (en) |
| FI (1) | FI47116C (en) |
| FR (1) | FR2014478A1 (en) |
| GB (1) | GB1271303A (en) |
| IE (1) | IE33150B1 (en) |
| IL (1) | IL32384A (en) |
| LU (1) | LU58989A1 (en) |
| MY (1) | MY7300158A (en) |
| NL (1) | NL6909930A (en) |
| NO (1) | NO121574C (en) |
| SE (1) | SE357582B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1032107A (en) * | 1973-03-20 | 1978-05-30 | Tadashi Hirokane | Process for electrolytic coloring of aluminum or aluminum alloy articles |
| JPS5339865B2 (en) * | 1973-08-24 | 1978-10-24 | ||
| IT1142650B (en) * | 1981-12-31 | 1986-10-08 | Grace Italiana Spa | ALUMINUM ELECTRO-COLORING PLANT AND PROCESS |
| US20030112916A1 (en) * | 2000-02-25 | 2003-06-19 | Keeney Franklin W. | Cold nuclear fusion under non-equilibrium conditions |
| US9334578B2 (en) * | 2008-11-18 | 2016-05-10 | Cypress Semiconductor Corporation | Electroplating apparatus and method with uniformity improvement |
| US9975372B2 (en) | 2016-06-21 | 2018-05-22 | Charles White | Multi-dimensional art works and methods |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190200118A (en) * | 1902-01-02 | 1902-03-20 | Maurice D Andrimont | Improvements in, or relating to Anodes for Electrolytic Operations |
| GB190314823A (en) * | 1903-07-03 | 1903-08-06 | Harry Ellis Starrett | Improvements in Metal Anodes. |
| US3382160A (en) * | 1960-03-31 | 1968-05-07 | Asada Tahei | Process for inorganically coloring aluminum |
-
1968
- 1968-07-02 US US742000A patent/US3622471A/en not_active Expired - Lifetime
-
1969
- 1969-06-06 GB GB28900/69A patent/GB1271303A/en not_active Expired
- 1969-06-09 IE IE782/69A patent/IE33150B1/en unknown
- 1969-06-09 SE SE08122/69A patent/SE357582B/xx unknown
- 1969-06-11 IL IL32384A patent/IL32384A/en unknown
- 1969-06-23 DE DE1931730A patent/DE1931730C3/en not_active Expired
- 1969-06-25 FR FR6921287A patent/FR2014478A1/fr active Pending
- 1969-06-25 DK DK342869AA patent/DK137653B/en unknown
- 1969-06-26 AT AT609769A patent/AT325368B/en not_active IP Right Cessation
- 1969-06-27 BE BE735277D patent/BE735277A/xx not_active IP Right Cessation
- 1969-06-27 NL NL6909930A patent/NL6909930A/xx unknown
- 1969-06-27 CH CH992769A patent/CH486565A/en not_active IP Right Cessation
- 1969-06-30 LU LU58989D patent/LU58989A1/xx unknown
- 1969-06-30 NO NO2729/69A patent/NO121574C/no unknown
- 1969-07-01 BR BR210340/69A patent/BR6910340D0/en unknown
- 1969-07-01 ES ES369013A patent/ES369013A1/en not_active Expired
- 1969-07-01 CS CS4657A patent/CS166239B2/cs unknown
- 1969-07-02 FI FI691968A patent/FI47116C/en active
-
1973
- 1973-12-31 MY MY1973158A patent/MY7300158A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT325368B (en) | 1975-10-27 |
| SE357582B (en) | 1973-07-02 |
| NO121574B (en) | 1971-03-15 |
| IL32384A (en) | 1973-05-31 |
| BE735277A (en) | 1969-12-29 |
| FI47116C (en) | 1973-09-10 |
| DK137653C (en) | 1978-09-18 |
| FR2014478A1 (en) | 1970-04-17 |
| LU58989A1 (en) | 1969-11-12 |
| DE1931730A1 (en) | 1970-06-18 |
| NL6909930A (en) | 1970-01-06 |
| NO121574C (en) | 1975-10-03 |
| BR6910340D0 (en) | 1973-04-10 |
| DE1931730C3 (en) | 1979-12-06 |
| US3622471A (en) | 1971-11-23 |
| IL32384A0 (en) | 1969-08-27 |
| CH486565A (en) | 1970-02-28 |
| CS166239B2 (en) | 1976-02-27 |
| FI47116B (en) | 1973-05-31 |
| MY7300158A (en) | 1973-12-31 |
| ES369013A1 (en) | 1971-05-16 |
| DE1931730B2 (en) | 1974-05-02 |
| IE33150L (en) | 1970-01-02 |
| DK137653B (en) | 1978-04-10 |
| IE33150B1 (en) | 1974-04-03 |
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