ES2070992T3 - CONTINUOUS METHOD FOR PREPARING STEEL PARTS FOR RESIN COATING. - Google Patents
CONTINUOUS METHOD FOR PREPARING STEEL PARTS FOR RESIN COATING.Info
- Publication number
- ES2070992T3 ES2070992T3 ES90125849T ES90125849T ES2070992T3 ES 2070992 T3 ES2070992 T3 ES 2070992T3 ES 90125849 T ES90125849 T ES 90125849T ES 90125849 T ES90125849 T ES 90125849T ES 2070992 T3 ES2070992 T3 ES 2070992T3
- Authority
- ES
- Spain
- Prior art keywords
- parts
- zinc
- chrome
- steel parts
- resin coating
- 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 - Lifetime
Links
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000011437 continuous method Methods 0.000 title 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 3
- 239000011701 zinc Substances 0.000 abstract 3
- 229910052725 zinc Inorganic materials 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract 1
- 230000001684 chronic effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/76—Applying the liquid by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/20—Chromatation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/60—Adding a layer before coating
- B05D2350/65—Adding a layer before coating metal layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
EN UN METODO PARA PROPORCIONAR A PARTES DE ACERO REVESTIMIENTOS PROTECTORES QUE INCLUYE CAPAS SUCESIVAS DE ZINC Y CROMATO, LA CAPA DE ZINC SE APLICA MEDIANTE TRATAMIENTO GALVANOPLASTICO DE ZINC Y LAS PARTES SE LAVAN CON AGUA ANTES DE LA APLICACION DE LA CAPA DE CROMATO, EL TRATAMIENTO CONTINUO DE LAS PARTES INCLUYE: INMEDIATAMENTE DESPUES DEL LAVADO CON AGUA DE LAS PARTES GALVANIZADAS Y MIENTRAS LAS PARTES ESTAN AUN HUMEDAS, LA PULVERIZACION DE LAS PARTES CON UNA SOLUCION DE CROMACION ACUOSA QUE CONTIENE ACIDO CRONICO JUNTO CON ACIDO NITRICO Y AL MENOS UNA SAL QUE PROPORCIONA ANIONES ACTIVADORES, DICHA PULVERIZACION DE CROMACION HUMEDECE LAS SUPERFICIES EXTERIORES DE LAS PARTES Y SE COMPLETA EN NO MAS DE 120 SEGUNDOS CON LA FORMACION DE UNA CAPA DE CROMATO AMARILLO EN LAS PARTES.IN A METHOD FOR PROVIDING STEEL PARTS WITH PROTECTIVE COATINGS INCLUDING SUCCESSIVE LAYERS OF ZINC AND CHROMATE, THE ZINC COAT IS APPLIED BY GALVANOPLASTIC TREATMENT OF ZINC AND THE PARTS ARE WASHED WITH WATER BEFORE THE APPLICATION OF THE COAT. CONTINUOUS PARTS INCLUDE: IMMEDIATELY AFTER WASHING OF THE GALVANIZED PARTS AND WHILE THE PARTIES ARE STILL WET, THE SPRAYING OF THE PARTS WITH A WATER CHROME SOLUTION CONTAINING A CHRONIC ACID AND ALSO A NITTEN ACID ACTIVATING ANIONS, SUCH CHROME SPRAY WET THE EXTERIOR SURFACES OF THE PARTS AND COMPLETE IN NO MORE THAN 120 SECONDS WITH THE FORMATION OF A YELLOW CHROME LAYER ON THE PARTS.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57946890A | 1990-09-07 | 1990-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2070992T3 true ES2070992T3 (en) | 1995-06-16 |
Family
ID=24317028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90125849T Expired - Lifetime ES2070992T3 (en) | 1990-09-07 | 1990-12-31 | CONTINUOUS METHOD FOR PREPARING STEEL PARTS FOR RESIN COATING. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0474920B1 (en) |
| BR (1) | BR9101473A (en) |
| DE (1) | DE69017021T2 (en) |
| DK (1) | DK0474920T3 (en) |
| ES (1) | ES2070992T3 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2658934C3 (en) * | 1976-12-24 | 1980-01-03 | Basf Ag, 6700 Ludwigshafen | Aqueous, cyanide-free, alkaline zinc bath for the galvanic production of high-gloss zinc coatings |
| JPS60149786A (en) * | 1984-01-17 | 1985-08-07 | Kawasaki Steel Corp | Surface treatment of zinc alloy electroplated steel sheet having superior corrosion resistance |
| US4676842A (en) * | 1986-04-04 | 1987-06-30 | Robert Haydu | Protective coating for metals |
-
1990
- 1990-12-31 ES ES90125849T patent/ES2070992T3/en not_active Expired - Lifetime
- 1990-12-31 EP EP19900125849 patent/EP0474920B1/en not_active Expired - Lifetime
- 1990-12-31 DK DK90125849T patent/DK0474920T3/en active
- 1990-12-31 DE DE1990617021 patent/DE69017021T2/en not_active Expired - Fee Related
-
1991
- 1991-04-11 BR BR9101473A patent/BR9101473A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR9101473A (en) | 1992-06-16 |
| DE69017021T2 (en) | 1995-06-08 |
| EP0474920B1 (en) | 1995-02-15 |
| DK0474920T3 (en) | 1995-05-22 |
| EP0474920A1 (en) | 1992-03-18 |
| DE69017021D1 (en) | 1995-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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