NO116108B - - Google Patents

Info

Publication number
NO116108B
NO116108B NO156639A NO15663965A NO116108B NO 116108 B NO116108 B NO 116108B NO 156639 A NO156639 A NO 156639A NO 15663965 A NO15663965 A NO 15663965A NO 116108 B NO116108 B NO 116108B
Authority
NO
Norway
Prior art keywords
strip
cell
electrolyte
anodizing
cathode
Prior art date
Application number
NO156639A
Other languages
Norwegian (no)
Inventor
W Cooke
D Bury
P Smits
J Cote
Original Assignee
Aluminium Lab Ltd
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
Priority to US342450A priority Critical patent/US3359189A/en
Priority to US390367A priority patent/US3471375A/en
Application filed by Aluminium Lab Ltd filed Critical Aluminium Lab Ltd
Publication of NO116108B publication Critical patent/NO116108B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0614Strips or foils
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/005Apparatus specially adapted for electrolytic conversion coating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/04Anodisation of aluminium or alloys based thereon
    • C25D11/06Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • C25D11/08Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/10Agitating of electrolytes; Moving of racks
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/004Sealing devices

Abstract

An aluminium rod, wire or strip 12 is continuously anodized to produce a porous oxide film thereon by successively moving it through an electrolytic cleaning cell 10 and anodizing cell 11, wherein there is maintained in contact with the electrolyte an anode for cell 10, e.g. consisting of upper and lower lead anodes 14, 15, and a cathode for cell 11, e.g. consisting of upper stainless steel cathode 18 and preferably a lower graphite electrode 19, the cleaning and anodizing cells being in open communication with one another through a connecting zone so dimensioned that leakage current is less than a quarter of the total current, the electrolyte being maintained in turbulent flow lengthwise of the moving aluminium e.g. by re-circulating the electrolyte collected from <PICT:1087256/C6-C7/1> pipes 51, 52 at the strip-inlet end of the anodizing cell to the strip-outlet end through pipes 67, 68 using pump 117, and D.C. 135 being passed between the anodes and (one or both) cathodes through the electrolyte and strip 12 at a current density of at least 100 A.S.F. of aluminium surface exposed in the anodizing cell 11. The electrolyte in the anodizing cell may be separated into two parts by the strip (as shown), one part contacting the cathode 18 and the other part contacting an anode 19 (switch contact 139) whereby oxide film is formed on one side only of the strip. Alternatively both parts may contact cathodes (switch contact 143), preferably the potential of the two cathodes 18, 19 being at different values (switch contact 144 connecting cathode 19 through a variable resistor 145) whereby oxide films of different thickness are formed on the two sides of the strip.
NO156639A 1964-02-04 1965-02-04 NO116108B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US342450A US3359189A (en) 1964-02-04 1964-02-04 Continuous anodizing process and apparatus
US390367A US3471375A (en) 1964-02-04 1964-08-18 Process and apparatus for continuous anodic treatment

Publications (1)

Publication Number Publication Date
NO116108B true NO116108B (en) 1969-01-27

Family

ID=26993013

Family Applications (1)

Application Number Title Priority Date Filing Date
NO156639A NO116108B (en) 1964-02-04 1965-02-04

Country Status (8)

Country Link
US (1) US3471375A (en)
BE (1) BE659262A (en)
DE (1) DE1496714B2 (en)
FR (1) FR1424644A (en)
GB (1) GB1087256A (en)
NL (2) NL6501412A (en)
NO (1) NO116108B (en)
SE (1) SE326353B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1621115C3 (en) * 1967-10-17 1981-06-25 Metalloxyd Gmbh, 5000 Koeln, De
US3873438A (en) * 1971-09-08 1975-03-25 Engelhard Min & Chem Electrolytic cell assembly including bipolar concentric electrodes
GB1439127A (en) * 1972-06-08 1976-06-09 Alcan Res & Dev Production of lithographic plates
US3927460A (en) * 1972-08-07 1975-12-23 Kawasaki Steel Co Pretreating process for vitreous enamelling
US3920525A (en) * 1973-05-18 1975-11-18 Fromson H A Process for continuously anodizing aluminum
US3865700A (en) * 1973-05-18 1975-02-11 Fromson H A Process and apparatus for continuously anodizing aluminum
US4248674A (en) * 1979-09-20 1981-02-03 Leyh Henry W Anodizing method and apparatus
US4507190A (en) * 1982-09-28 1985-03-26 United States Steel Corporation Horizontal-pass electrotreating cell
FR2542766B1 (en) * 1983-03-16 1987-07-03 Cegedur METHOD AND DEVICE FOR ELECTROCHEMICAL TREATMENT OF THE SURFACE OF METALLIC PRODUCTS OF ELONGATE FORM
WO1984004934A1 (en) * 1983-06-13 1984-12-20 Hoechst Ag Method and plants for the continuous unilateral anodic oxidation of aluminium bands and utilization thereof to make offset printing plates
DE3401063C2 (en) * 1984-01-13 1993-04-01 Usx Engineers And Consultants, Inc., Pittsburgh, Pa., Us
CA1216822A (en) * 1984-01-20 1987-01-20 Issa J. Kharouf Electrotreating cell
SE469267B (en) * 1991-07-01 1993-06-14 Candor Sweden Ab Surface treatment device, whereby a medium under pressure is aimed at a continuous material web in a cavity
DE102018212128A1 (en) * 2018-07-20 2020-01-23 Audi Ag Deionizer, cooler, and method for deionizing a liquid

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1483722A (en) * 1922-06-13 1924-02-12 Charles Page Perin Art of making electrolytic metal and apparatus therefor
US1768358A (en) * 1925-05-21 1930-06-24 Florence M Harrison Electrolytic process and apparatus
US2267146A (en) * 1934-07-30 1941-12-23 Sharon Steel Corp Apparatus for electrically pickling and cleaning stainless steel and other metals
US2165326A (en) * 1934-10-30 1939-07-11 Hanson Van Winkle Munning Co Electrolytic treatment of ferrous metals
US2307928A (en) * 1939-02-24 1943-01-12 Hanson Van Winkle Munning Co Process and apparatus for cleaning metal
FR985497A (en) * 1943-11-09 1951-07-19 Alais & Froges & Camarque Cie Process for the continuous electrolytic oxidation of metallic wires, bands and the like
US2930739A (en) * 1956-06-28 1960-03-29 Burnham John Method and apparatus for forming valve metal foil
AT222453B (en) * 1957-08-12 1962-07-25 Alfred James Lloyd Method and device for the preferably continuous one-sided anodization of metal foils or strips
US2974097A (en) * 1957-11-12 1961-03-07 Reynolds Metals Co Electrolytic means for treating metal
US2989445A (en) * 1958-01-03 1961-06-20 Lloyd Metal Mfg Company Ltd Continuous electrolytic surfacing of metal membranes
US3038850A (en) * 1958-03-17 1962-06-12 Olin Mathieson Aluminum anodizing apparatus
US3079308A (en) * 1958-10-07 1963-02-26 Reynolds Metals Co Process of anodizing

Also Published As

Publication number Publication date
DE1496714A1 (en) 1970-10-08
US3471375A (en) 1969-10-07
BE659262A (en) 1965-08-04
SE326353B (en) 1970-07-20
GB1087256A (en) 1967-10-18
FR1424644A (en) 1966-01-14
NL131875C (en) 1900-01-01
DE1496714B2 (en) 1971-11-11
DE1496714B (en)
NL6501412A (en) 1965-08-05

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