WO2003033779A2 - Beschichtungsverfahren für leichtmetalllegierungen - Google Patents
Beschichtungsverfahren für leichtmetalllegierungen Download PDFInfo
- Publication number
- WO2003033779A2 WO2003033779A2 PCT/EP2002/011292 EP0211292W WO03033779A2 WO 2003033779 A2 WO2003033779 A2 WO 2003033779A2 EP 0211292 W EP0211292 W EP 0211292W WO 03033779 A2 WO03033779 A2 WO 03033779A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light metal
- coating
- electrophoretic
- layer
- metal alloy
- Prior art date
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 229910001092 metal group alloy Inorganic materials 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 230000004913 activation Effects 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 238000011282 treatment Methods 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000001465 metallisation Methods 0.000 claims description 5
- 238000003618 dip coating Methods 0.000 claims description 4
- 238000010422 painting Methods 0.000 claims description 4
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 4
- 239000010407 anodic oxide Substances 0.000 claims 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 3
- 239000010452 phosphate Substances 0.000 claims 3
- 239000012790 adhesive layer Substances 0.000 claims 1
- 238000005058 metal casting Methods 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000006277 sulfonation reaction Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 239000004922 lacquer Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 239000011777 magnesium Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- TVJORGWKNPGCDW-UHFFFAOYSA-N aminoboron Chemical compound N[B] TVJORGWKNPGCDW-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
- C23C18/165—Multilayered product
- C23C18/1653—Two or more layers with at least one layer obtained by electroless plating and one layer obtained by electroplating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
Definitions
- the present invention relates to a coating method for light metal alloy surfaces.
- the invention is therefore based on the technical problem of specifying a favorable coating method for light metal alloy surfaces.
- a method for coating light metal alloy surfaces is provided for this, which contains the steps: electrophoretic painting of the light metal alloy surface and galvanic coating of the electrophoretically painted surface.
- the knowledge on which the invention is based initially consists in the fact that the defective properties of galvanic layers on light metal alloys can be dramatically improved with regard to the optical quality and durability as well as the corrosion protection by applying the galvanic layers on an electrophoretic lacquer layer. It has surprisingly been found that the electrophoretic lacquer layer does not fundamentally stand in the way of the subsequent galvanic coating of the light metal alloy parts and the advantages of these processes can therefore be combined with one another.
- electrophoretic painting has the advantage of producing very dense and stable layers, which thus offer good corrosion protection.
- electrophoretic lacquer layers have a good leveling effect Effect and thus provide a smooth base for the subsequent galvanic layer even with comparatively rough original surfaces of the light metal alloy. This benefits the optical quality.
- the galvanic coating has the advantage of outstanding flexibility with regard to layer structure, material selection and layer thickness, so that the most varied of technical requirements, such as roughness, abrasion resistance, hardness, conductivity, and also aesthetic requirements, can be addressed.
- the method according to the invention is also very flexible with regard to the size and geometry of the parts to be treated.
- the layer properties also improve if the electrophoretic lacquer layer is chemically metallized, for example provided with a chemical Ni layer or a chemical Cu layer. If surface activation and chemical metallization are used simultaneously, the metallization takes place after activation.
- chemical metallization can be preceded by metal germination, in particular Pd activation, for example treatment in PdCI solution.
- Pd activation for example treatment in PdCI solution.
- This step also follows the optional activation of the painted surface.
- a reduction step for producing metallic Pd can be provided between the Pd activation and the chemical metallization.
- the electrophoretic coating which is characteristic of the invention can be a cathodic or anodic dip coating, the cathodic dip coating being particularly preferred when high demands are placed on the corrosion resistance.
- the electrophoretic painting step is conventional per se and is carried out using the usual materials and processes.
- an adhesion-promoting layer between the electrophoretic lacquer layer and the light metal alloy surface, that is to say to send a corresponding coating step ahead of the electrophoretic lacquer.
- chromate layers, treatments with Zr fluoride solutions or ZrTi fluoride solutions or other conversion layers are suitable as adhesion-promoting layers.
- oxidic layers are particularly preferred here, the oxidic layers also containing phosphates or consisting of phosphates.
- the voltage used in the electrophoretic coating is selected to be higher than the voltage used in the anodic adhesion promoter layer.
- the voltage can in particular be 10% or more above the voltage in the anodic adhesion-promoting coating.
- the invention is preferably used for light metal alloy castings, for which the electrophoretic coating produces a high leveling and smoothing when required, so that a high degree of gloss can be achieved in the subsequent galvanic coating. If this smooth surface is chrome-plated, for example, there is a very high-quality optical effect.
- Preferred areas of application are housing parts of mobile telephones and other portable electronic devices such as laptops, PDAs and the like, or of cameras, binoculars or other optical devices.
- light metal alloys are increasingly used in the motor vehicle sector. A classic chrome plating or other high-quality metal surface-like appearance is often desired. Examples are door handles and other fittings as well as rims.
- the invention is particularly advantageous in the case of light metal alloys with a high Mg content, because they have particularly severe corrosion problems.
- these alloys are technically very interesting because of their particularly low specific weight.
- Light metal alloys with a Mg content of 50% by weight and above are therefore a preferred application.
- a housing part of a mobile phone made of a magnesium alloy can be used, which forms the frame between two plastic shells and is responsible for the mechanical stability of the mobile phone housing.
- This is a cast part that initially shows a rough surface with unfavorable optical properties.
- This housing part is initially provided with an anodic oxidation / phosphating layer of 3-5 ⁇ m thickness, which is offered under the trade name "Anomag", which is offered by Magnesium Technology Licensing Ltd. (Auckland, New Zealand) and its contractual partners. However, it can also A conventional Zr fluoride treatment or chromating is carried out (for example of 0.5-2 ⁇ m).
- the telephone housing part is then provided with a conventional cathodic dip coating with a layer thickness of approximately 10 ⁇ m in a reactor, which is activated in an S0 3 atmosphere The surface of the casting is leveled, the varnish used is Freiotherm KTL special.
- the telephone housing part of the mobile telephone has an extremely low weight and good mechanical strength. In tests such parts have shown corrosion resistance with values over 500 hours of salt spray test.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002346981A AU2002346981A1 (en) | 2001-10-11 | 2002-10-09 | Coating method for light metal alloys |
US10/492,283 US20040238371A1 (en) | 2001-10-11 | 2002-10-09 | Coated method for light metal alloys |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01124439.9 | 2001-10-11 | ||
EP01124439A EP1302567A1 (de) | 2001-10-11 | 2001-10-11 | Beschichtungsverfahren für Leichtmetalllegierungen |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2003033779A2 true WO2003033779A2 (de) | 2003-04-24 |
WO2003033779A3 WO2003033779A3 (de) | 2003-11-20 |
WO2003033779B1 WO2003033779B1 (de) | 2004-01-15 |
Family
ID=8178946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/011292 WO2003033779A2 (de) | 2001-10-11 | 2002-10-09 | Beschichtungsverfahren für leichtmetalllegierungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040238371A1 (de) |
EP (1) | EP1302567A1 (de) |
AU (1) | AU2002346981A1 (de) |
WO (1) | WO2003033779A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4617173B2 (ja) * | 2004-04-26 | 2011-01-19 | キヤノン株式会社 | 防湿機能を有する光学機器 |
CN102076196A (zh) * | 2010-12-01 | 2011-05-25 | 英华达(上海)科技有限公司 | 设有裸露黏胶区域的皮膜金属壳体制造工艺 |
DE102015212389A1 (de) * | 2015-07-02 | 2017-01-05 | Aesculap Ag | Beschichtung für Applikatoren in der Elektrochirurgie |
TWI782796B (zh) * | 2021-11-19 | 2022-11-01 | 薩摩亞商大煜國際有限公司 | 高光澤電泳塗裝製程 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854890A (en) * | 1970-01-20 | 1974-12-17 | Showa Denko Kk | Plastic article having a surface consisting of metal plated and colored non-plated portions |
DE3146164A1 (de) * | 1981-11-21 | 1983-05-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "verfahren zur metallisierung von durch schwefeltrioxid (so(pfeil abwaerts)3(pfeil abwaerts)) beizbaren oberflaechen" |
JPS60159198A (ja) * | 1984-01-30 | 1985-08-20 | Kanebo Ltd | 金属製品の加飾方法 |
JPH10305519A (ja) * | 1997-05-09 | 1998-11-17 | Topy Ind Ltd | 金属材の表面被膜構造とその形成方法 |
JP2000239889A (ja) * | 1999-02-24 | 2000-09-05 | Rhythm Watch Co Ltd | メッキ方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB507342A (en) * | 1937-12-15 | 1939-06-14 | Langbein Pfanhauser Werke Ag | Improvements in and relating to a method of electroplating articles of readily oxidizable metals |
US3856360A (en) * | 1970-10-30 | 1974-12-24 | Us Reduction Co | Aluminum base alloy die casting wheel |
US4520046A (en) * | 1983-06-30 | 1985-05-28 | Learonal, Inc. | Metal plating on plastics |
US4519876A (en) * | 1984-06-28 | 1985-05-28 | Thermo Electron Corporation | Electrolytic deposition of metals on laser-conditioned surfaces |
US5792335A (en) * | 1995-03-13 | 1998-08-11 | Magnesium Technology Limited | Anodization of magnesium and magnesium based alloys |
DE19539645A1 (de) * | 1995-10-25 | 1996-10-02 | Daimler Benz Ag | Metallisch glanzbeschichtete Leichtmetallfelge |
US6440332B1 (en) * | 1998-06-09 | 2002-08-27 | Geotech Chemical Company | Method for applying a coating that acts as an electrolytic barrier and a cathodic corrosion prevention system |
JP2001073194A (ja) * | 1999-09-02 | 2001-03-21 | Shimano Inc | 塗装部品 |
JP3440905B2 (ja) * | 2000-01-06 | 2003-08-25 | 日本軽金属株式会社 | 表面処理マグネシウム材及びその製造方法 |
-
2001
- 2001-10-11 EP EP01124439A patent/EP1302567A1/de not_active Withdrawn
-
2002
- 2002-10-09 WO PCT/EP2002/011292 patent/WO2003033779A2/de not_active Application Discontinuation
- 2002-10-09 US US10/492,283 patent/US20040238371A1/en not_active Abandoned
- 2002-10-09 AU AU2002346981A patent/AU2002346981A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854890A (en) * | 1970-01-20 | 1974-12-17 | Showa Denko Kk | Plastic article having a surface consisting of metal plated and colored non-plated portions |
DE3146164A1 (de) * | 1981-11-21 | 1983-05-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "verfahren zur metallisierung von durch schwefeltrioxid (so(pfeil abwaerts)3(pfeil abwaerts)) beizbaren oberflaechen" |
JPS60159198A (ja) * | 1984-01-30 | 1985-08-20 | Kanebo Ltd | 金属製品の加飾方法 |
JPH10305519A (ja) * | 1997-05-09 | 1998-11-17 | Topy Ind Ltd | 金属材の表面被膜構造とその形成方法 |
JP2000239889A (ja) * | 1999-02-24 | 2000-09-05 | Rhythm Watch Co Ltd | メッキ方法 |
Non-Patent Citations (4)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 009, no. 331 (C-321), 25. Dezember 1985 (1985-12-25) -& JP 60 159198 A (KANEBO KK;OTHERS: 02), 20. August 1985 (1985-08-20) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 02, 26. Februar 1999 (1999-02-26) -& JP 10 305519 A (TOPY IND LTD), 17. November 1998 (1998-11-17) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12, 3. Januar 2001 (2001-01-03) -& JP 2000 239889 A (RHYTHM WATCH CO LTD), 5. September 2000 (2000-09-05) * |
W. MACHU: "Elektrotauchlackierung" 1974 , VERLAG CHEMIE , WEINHEIM XP002194057 8851 Seite 142 * |
Also Published As
Publication number | Publication date |
---|---|
EP1302567A1 (de) | 2003-04-16 |
WO2003033779A3 (de) | 2003-11-20 |
AU2002346981A1 (en) | 2003-04-28 |
WO2003033779B1 (de) | 2004-01-15 |
US20040238371A1 (en) | 2004-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2938940C2 (de) | Mehrschichtplattierung und deren Verwendung | |
EP1587968B1 (de) | Beschichtungsverfahren | |
EP2192210B1 (de) | Edelmetallhaltige Schichtfolge für dekorative Artikel | |
DE102005059367B4 (de) | Elektrolytzusammensetzung und Verfahren zur Abscheidung rissfreier, korrosionsbeständiger und harter Chrom- und Chromlegierungsschichten | |
WO2003033779A2 (de) | Beschichtungsverfahren für leichtmetalllegierungen | |
EP1780311B1 (de) | Herstellung seidenmatter Metalloberflächen | |
EP1302565B1 (de) | Beschichtungsverfahren für Leichtmetalllegierungsoberflächen | |
DE10159890B4 (de) | Verfahren für das Beschichten von Aluminiumwerkstoffen mit Funktionsschichten aus Eisen | |
DE69007234T2 (de) | Überzugsmasse und Verfahren zur Herstellung eines beschichteten Metallartikels. | |
DE4240903C2 (de) | Verfahren zum elektrolytischen Färben eines mit Zink beschichteten Stahlgegenstandes | |
EP1876268B1 (de) | Cr-VI-freie Schwarzverchromung | |
EP1918425B1 (de) | Graustichige Chromoberflächen | |
DE19723980B4 (de) | Kontinuierliches, rechnergesteuertes Verfahren zur Herstellung von schwarzverchromten, oberflächenfehlerfreien, komplettierbaren Spritzgußteilen aus Magnesiumlegierungen mit elektrisch leitfähigen und optimal haftfähigen Oberflächenbereichen und Anwendung dieses Verfahrens | |
DE69126561T2 (de) | Galvanisiertes Teil und Verfahren zu seiner Herstellung | |
EP0101793A2 (de) | Verfahren zur Herstellung von elektrolytisch legierverzinktem Stahlblech | |
EP0799912A1 (de) | Verfahren zur galvanotechnischen Metallisierung von Kunststoffoberflächen | |
DE19934323B4 (de) | Metallisiertes Bauteil, Verfahren zu seiner Herstellung und seine Verwendung | |
WO2005035835A2 (de) | Mit einer aluminium/magnesium-legierung beschichtete werkstücke | |
JPH08127892A (ja) | Zn−Ni合金めっき鋼板の製造方法 | |
EP0508306A1 (de) | Verfahren zur Korrosionsschiutzbeschichtung von Werkstücken aus Stahl | |
EP0096757B1 (de) | Verbindungselement aus Stahl mit einer galvanischen Oberflächenschicht | |
EP3149091A1 (de) | Verwendung von metallpigmenten in einer flüssigen polymerformulierung | |
EP3170925B1 (de) | Verfahren zum herstellen einer metalloberfläche | |
DE102017007488B4 (de) | Verfahren zum Veredeln zumindest einer Oberfläche sowie Gegenstand mit zumindest einer Oberfläche | |
EP3312307A1 (de) | Verfahren zur effizienten schwarzverchromung i |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BY BZ CA CH CN CO CR CU CZ DE DM DZ EC EE ES FI GB GD GE GH HR HU ID IL IN IS JP KE KG KP KR LC LK LR LS LT LU LV MA MD MG MN MW MX MZ NO NZ OM PH PL PT RU SD SE SG SI SK SL TJ TM TN TR TZ UA UG US UZ VC VN YU ZA ZM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ UG ZM ZW AM AZ BY KG KZ RU TJ TM AT BE BG CH CY CZ DK EE ES FI FR GB GR IE IT LU MC PT SE SK TR BF BJ CF CG CI GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
B | Later publication of amended claims |
Effective date: 20030630 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10492283 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |