C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/36 (2006.01) C09D 5/08 (2006.01) C23C 2/26 (2006.01) C23C 22/34 (2006.01) C23C 22/83 (2006.01) C23C 28/00 (2006.01)
Patent
CA 2373104
An improved process for treating metal coated sheet steel such as galvanized sheet steel is provided. The process comprises the application of a Group IIIB or IVB metal compound to the surfaces of the metal coated sheet steel prior to contacting the metal surface with a protective lubricant.
La présente invention concerne un procédé amélioré de traitement de tôles d'acier métallisées telles que les tôles d'acier galvanisé. Le procédé de l'invention consiste à appliquer un composé métallique du groupe IIIB ou IVB sur les surfaces des tôles d'acier métallisées avant que la surface métallique n'entre en contact avec un lubrifiant protecteur.
Gray Ralph C.
Hauser Brian T.
Mccollum Gregory J.
Valko Joseph T.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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