WO1991019833A3 - Electrolytic zinc-plating process and devices - Google Patents
Electrolytic zinc-plating process and devices Download PDFInfo
- Publication number
- WO1991019833A3 WO1991019833A3 PCT/DE1991/000326 DE9100326W WO9119833A3 WO 1991019833 A3 WO1991019833 A3 WO 1991019833A3 DE 9100326 W DE9100326 W DE 9100326W WO 9119833 A3 WO9119833 A3 WO 9119833A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- zinc
- wire
- held
- beaker
- electrolyte
- 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.)
- Ceased
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
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/04—Electroplating with moving electrodes
- C25D5/06—Brush or pad plating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
- C25D17/14—Electrodes, e.g. composition, counter electrode for pad-plating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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)
- Prevention Of Electric Corrosion (AREA)
Abstract
In order to avoid corrosion damage in the non-bath galvanizing , using hand-held electrodes, of e.g. iron adjacent to masonry, aqueous ammonia is used as the starting electrolyte and zinc as the cathode, so that only inert zinc oxide and no corrosive salts remain behind after drying. Several hand-held rub electrodes are described which render possible the use in practice of the new, simple, low-conductivity electrolyte. In the simplest case, the hand-held electrode comprises a piece of zinc wire (1) 3 mm in diameter and 40 mm long, one half of which passes hermetically (3) through the bottom of a soft plastics beaker (2) 5 mm wide so that the rim of the beaker extends 2 mm beyond the end of the wire, the free end of the wire being connected to positive (4), and the beaker holding the electrolyte (E). The electrode with its bevelled mouth can be used equally well in any position. It gives about 40 mA at 12 V, and one fill lasts for more than 5 min. Zinc plated on to polished iron (5) adheres and covers well, is ductile and is suitable for the direct application of a paint coating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4018649.0 | 1990-06-11 | ||
| DE19904018649 DE4018649A1 (en) | 1990-06-11 | 1990-06-11 | METHOD AND DEVICES FOR ELECTROLYTIC ZINCING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1991019833A2 WO1991019833A2 (en) | 1991-12-26 |
| WO1991019833A3 true WO1991019833A3 (en) | 1992-06-11 |
Family
ID=6408189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE1991/000326 Ceased WO1991019833A2 (en) | 1990-06-11 | 1991-04-19 | Electrolytic zinc-plating process and devices |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0489875A1 (en) |
| DE (1) | DE4018649A1 (en) |
| WO (1) | WO1991019833A2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19739361C1 (en) * | 1997-09-09 | 1998-10-15 | Siemens Ag | Zinc introduction into nuclear reactor primary water system |
| DE19809487A1 (en) * | 1998-03-06 | 1999-09-09 | Greising | Electroplating and electrolytic cleaning of restricted area especially of metal, e.g. on construction site |
| CA2542979C (en) | 2003-10-21 | 2011-10-18 | Edk Research Ag | Electrode device with integrated electrolyte supply for the surface treatment of metals |
| CN115786967B (en) * | 2022-11-28 | 2024-05-17 | 重庆工商大学 | A NiCu-NH2-BDC electrode and its preparation method and application in electrolysis of ammonia to produce hydrogen |
| CN120369517B (en) * | 2025-06-25 | 2025-11-07 | 深圳市磐锋精密技术有限公司 | A VR coated lens film strength testing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2061592A (en) * | 1935-03-21 | 1936-11-24 | Felix R Rapids | Composition for and method of metal electroplating |
| US2393517A (en) * | 1943-08-19 | 1946-01-22 | Indiana Steel & Wire Company | Process for electroplating zinc |
| WO1990004052A1 (en) * | 1988-10-06 | 1990-04-19 | Gut Gesellschaft Für Umweltschonende Technik Mbh | Process and device for long term protection of damaged parts of motor vehicles against corrosion |
| DE9006577U1 (en) * | 1990-06-11 | 1990-09-13 | Clasen, Hermann, Dr., 6240 Königstein | Friction electrode for bath-free electrolytic galvanizing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE34400C (en) * | Dr. G. WAGENER, Professor, und C. NETTO, Professor in Tokio, Japan | Brush for generating galvanic deposits | ||
| DE373190C (en) * | 1920-01-01 | 1923-04-09 | Siemens Schuckertwerke G M B H | Electrical apparatus for pipeline assembly |
| US2200987A (en) * | 1937-12-01 | 1940-05-14 | John P Hubbell | Electrogalvanizing process |
| US3298938A (en) * | 1963-06-14 | 1967-01-17 | Kyowa Hakko Kogyo Kk | Electrodeposition of zinc |
| US4159934A (en) * | 1977-12-05 | 1979-07-03 | Kadija Igor V | Selective plating brush applicator |
| DE8129270U1 (en) * | 1981-10-07 | 1982-03-04 | Fa. Dr. Th. Wieland, 7530 Pforzheim | HAND DEVICE FOR ELECTROLYTIC PRECISION METAL DEPOSITION |
| DE3507927A1 (en) * | 1985-03-06 | 1986-09-11 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | METHOD AND HAND DEVICE FOR SEMI-MECHANICAL GALVANIZING OF SHEET SURFACES |
| DE3630919A1 (en) * | 1986-09-11 | 1988-04-07 | Harald Haffke | Hand-held appliance for zinc-plating metallic surfaces, in particular coach bodies, with the aid of electroplating using a vehicle power source |
-
1990
- 1990-06-11 DE DE19904018649 patent/DE4018649A1/en active Granted
-
1991
- 1991-04-19 WO PCT/DE1991/000326 patent/WO1991019833A2/en not_active Ceased
- 1991-04-19 EP EP19910907528 patent/EP0489875A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2061592A (en) * | 1935-03-21 | 1936-11-24 | Felix R Rapids | Composition for and method of metal electroplating |
| US2393517A (en) * | 1943-08-19 | 1946-01-22 | Indiana Steel & Wire Company | Process for electroplating zinc |
| WO1990004052A1 (en) * | 1988-10-06 | 1990-04-19 | Gut Gesellschaft Für Umweltschonende Technik Mbh | Process and device for long term protection of damaged parts of motor vehicles against corrosion |
| DE9006577U1 (en) * | 1990-06-11 | 1990-09-13 | Clasen, Hermann, Dr., 6240 Königstein | Friction electrode for bath-free electrolytic galvanizing |
Non-Patent Citations (2)
| Title |
|---|
| H. GEDULD: "Zinc Plating", 1988, Finishing Publications Ltd, (Teddington, Middlesex, GB), Seiten 44-45,94-101 * |
| Metal Finishing, Band 65, September 1967, E. GROSHART: "Brush plating techniques", Seiten 75-78 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1991019833A2 (en) | 1991-12-26 |
| DE4018649A1 (en) | 1991-12-12 |
| EP0489875A1 (en) | 1992-06-17 |
| DE4018649C2 (en) | 1992-10-01 |
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