EP0183034A2 - Procédé de galvanisation - Google Patents

Procédé de galvanisation Download PDF

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Publication number
EP0183034A2
EP0183034A2 EP85113105A EP85113105A EP0183034A2 EP 0183034 A2 EP0183034 A2 EP 0183034A2 EP 85113105 A EP85113105 A EP 85113105A EP 85113105 A EP85113105 A EP 85113105A EP 0183034 A2 EP0183034 A2 EP 0183034A2
Authority
EP
European Patent Office
Prior art keywords
hollow rail
coated
electrolyte
anodes
electrolyte solution
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
EP85113105A
Other languages
German (de)
English (en)
Other versions
EP0183034B1 (fr
EP0183034A3 (en
Inventor
Erwin A. Dr. Sauter
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.)
Inovan GmbH and Co KG Metalle und Bauelemente
Original Assignee
Inovan Stroebe KG
Inovan GmbH and Co KG Metalle und Bauelemente
Inovan Stroebe GmbH and Co KG
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 Inovan Stroebe KG, Inovan GmbH and Co KG Metalle und Bauelemente, Inovan Stroebe GmbH and Co KG filed Critical Inovan Stroebe KG
Priority to AT85113105T priority Critical patent/ATE54474T1/de
Publication of EP0183034A2 publication Critical patent/EP0183034A2/fr
Publication of EP0183034A3 publication Critical patent/EP0183034A3/de
Application granted granted Critical
Publication of EP0183034B1 publication Critical patent/EP0183034B1/fr
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
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C25D7/0685—Spraying of electrolyte
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/08—Electroplating with moving electrolyte e.g. jet electroplating

Definitions

  • the invention relates to a method for applying metallic layers by electroplating onto hand-shaped or rope-shaped materials, the materials to be coated connected to the negative pole of a current source being passed through an electrolyte solution located in a suitable vessel, past an anode connected there to the positive pole of the current source , are continuously passed through and an apparatus for performing this method.
  • the electrolyte is also constantly pumped around and renewed, so that there is always a sufficient amount of metal ions pointing to the electrolyte solution, at least in the vessel through which the band-like materials are passed.
  • this does not mean that there are also sufficient metal ions in the immediate vicinity of the cathode, that is to say the material to be coated.
  • sufficient ions (or anions) are available for the current transport can a corresponding amount of metal be deposited on the cathode or can a high current yield be expected.
  • the starting point of the invention was the idea that a high electrolyte exchange on the surface of the material to be coated is achieved with a high speed between the material to be coated and the electrolyte solution, the highest relative speed being achieved when the belt movement and the electrolyte flow are exactly opposite Direction. This ensures that when the surroundings of the cathode, that is to say the material to be coated, begins to become depleted in metal ions to be deposited, fresh electrolyte liquid is already in contact, so that an uninterrupted inflow of metal ions to the cathode is always ensured.
  • a device which is characterized by a hollow rail consisting of insulating material, the free passage cross section of which corresponds approximately to the cross section of the material to be coated, by anodes inserted into the hollow rail, and by an anode connected on both sides to the hollow rail Ring line carrying electrolytes into which a circulating pump is inserted.
  • a collecting hedge for electrolyte liquid can also be inserted into this ring line, to which fresh electrolyte liquid can then always be added in order to maintain the previously determined optimal values.
  • the length of the hollow rail is determined according to the layer thickness to be applied, the layer thickness being proportional to the length of the hollow rail at constant speeds and currents. The proportionality factor depends on the material; for deposition of palladium under otherwise identical conditions, the length of the hollow rail would have to be about ten times greater than for those for coating with silver.
  • the anodes can cover the entire inner wall surface of the free passage cross section of the hollow rail or only parts thereof.
  • the anodes can only be attached on one side, preferably to coat one side of a strip-shaped material, the strip side facing away from the anodes expediently being covered by a mask attached or traveling in the hollow rail.
  • the anodes can also run in the form of strips in the longitudinal direction of the hollow rail, in order to produce a coating layer on a strip-shaped material or, of course, also a plurality of such strips. Even if the entire surface of the strip-like material is to be coated, it is advisable to arrange the edges in strips in the hollow rail, the individual strips being suitable divided moderately in the longitudinal direction and staggered.
  • the distance between the anodes and the material to be coated is expediently made adjustable by attaching the anodes to adjusting screws which can be adjusted transversely to the longitudinal direction of the strip-shaped materials.
  • the hollow rail is installed vertically, so that the band-shaped. Material is moved from bottom to top and the electrolyte flows through the hollow rail from top to bottom.
  • an embodiment of the device according to the invention is shown schematically.
  • the band-shaped material 2 is passed through from bottom to top, as indicated by the arrows 3 leads.
  • electrolyte liquid flows through this hollow rail 1, represented by the dashed arrows 4.
  • the electrolyte liquid is circulated from a collecting container 5 by means of a circulating pump 6 via a ring line 7, which is flanged to the hollow rail 1 on both sides.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Coating With Molten Metal (AREA)
EP85113105A 1984-10-31 1985-10-16 Procédé de galvanisation Expired - Lifetime EP0183034B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85113105T ATE54474T1 (de) 1984-10-31 1985-10-16 Galvanisierverfahren.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843439750 DE3439750A1 (de) 1984-10-31 1984-10-31 Galvanisierverfahren
DE3439750 1984-10-31

Publications (3)

Publication Number Publication Date
EP0183034A2 true EP0183034A2 (fr) 1986-06-04
EP0183034A3 EP0183034A3 (en) 1987-10-28
EP0183034B1 EP0183034B1 (fr) 1990-07-11

Family

ID=6249147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85113105A Expired - Lifetime EP0183034B1 (fr) 1984-10-31 1985-10-16 Procédé de galvanisation

Country Status (5)

Country Link
US (1) US4721554A (fr)
EP (1) EP0183034B1 (fr)
JP (1) JPS61113790A (fr)
AT (1) ATE54474T1 (fr)
DE (1) DE3439750A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392293B (de) * 1985-07-18 1991-02-25 Sviluppo Materiali Spa Verfahren zum elektrolytischen galvanisieren

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904350A (en) * 1988-11-14 1990-02-27 International Business Machines Corporation Submersible contact cell-electroplating films
DE4430652C2 (de) * 1994-08-29 1997-01-30 Metallglanz Gmbh Galvanisches Verfahren und Vorrichtung zur Durchführung des Verfahrens sowie dessen Verwendung zum galvanischen oder chemischen Behandeln, insbesondere zum kontinuierlichen Aufbringen metallischer Schichten auf einen Körper

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2370973A (en) * 1941-11-22 1945-03-06 William C Lang Method and apparatus for producing coated wire
US3441494A (en) * 1963-05-25 1969-04-29 Kokusai Denshin Denwa Co Ltd Apparatus to deposit a ferromagnetic film on a conductive wire
US3522166A (en) * 1967-04-21 1970-07-28 Reynolds Metals Co Electrical system for anodizing
SE335038B (fr) * 1968-05-06 1971-05-10 Wennberg Ab C
US3644181A (en) * 1969-07-24 1972-02-22 Sylvania Electric Prod Localized electroplating method
US3975242A (en) * 1972-11-28 1976-08-17 Nippon Steel Corporation Horizontal rectilinear type metal-electroplating method
US3865701A (en) * 1973-03-06 1975-02-11 American Chem & Refining Co Method for continuous high speed electroplating of strip, wire and the like
JPS5116236A (en) * 1974-07-31 1976-02-09 Daiichi Denshi Kogyo Denkaishorihoho narabini sochi
US4039398A (en) * 1975-08-15 1977-08-02 Daiichi Denshi Kogyo Kabushiki Kaisha Method and apparatus for electrolytic treatment
LU80496A1 (fr) * 1978-11-09 1980-06-05 Cockerill Procede et diopositif pour le depot electrolytique en continu et a haute densite de courant d'un metal de recouvrement sur une tole
DE2917630A1 (de) * 1979-05-02 1980-11-13 Nippon Steel Corp Anordnung zur elektrolytischen verzinkung von walzband
DE3017079A1 (de) * 1980-05-03 1981-11-05 Thyssen AG vorm. August Thyssen-Hütte, 4100 Duisburg Vorrichtung zum elektroplattieren
JPS5915996B2 (ja) * 1980-12-03 1984-04-12 新日本製鐵株式会社 連続金属板処理設備における電解処理装置
JPS57140890A (en) * 1981-02-24 1982-08-31 Nippon Kokan Kk <Nkk> Electric metal plating method for steel strip
DE3228641A1 (de) * 1982-07-31 1984-02-02 Hoesch Werke Ag, 4600 Dortmund Verfahren zur elektrolytischen abscheidung von metallen aus waessrigen loesungen der metallsalze auf stahlband und vorrichtung zur durchfuehrung des verfahrens
US4434040A (en) * 1982-09-28 1984-02-28 United States Steel Corporation Vertical-pass electrotreating cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392293B (de) * 1985-07-18 1991-02-25 Sviluppo Materiali Spa Verfahren zum elektrolytischen galvanisieren

Also Published As

Publication number Publication date
JPS61113790A (ja) 1986-05-31
EP0183034B1 (fr) 1990-07-11
DE3439750A1 (de) 1986-04-30
ATE54474T1 (de) 1990-07-15
EP0183034A3 (en) 1987-10-28
US4721554A (en) 1988-01-26
DE3439750C2 (fr) 1989-01-05

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