Procédé pour la formation d'un film de traitement de surface
| N° de brevet: |
EP1884579 (A1) |
| Date de publication: |
2008-02-06 |
| Inventeur(s): |
SHIMODA MASAHARU [JP]; |
| Demandeur(s): |
KANSAI PAINT CO LTD [JP]; |
| Classification: |
C23F13/04;C25D13/22; |
| N° de demande: |
EP20070015197 20070802 |
| Numéro(s) de priorité: |
JP20060213598 20060804;JP20070097702 20070403 |
This invention relates to a method for forming on a metal substrate a surface treating film excelling in corrosion resistance and stability of film-forming agent, by applying a film-forming agent thereto by a multistage electrification system comprising at least two stages.
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