C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 7/04 (2006.01) B65G 49/04 (2006.01) C25D 11/02 (2006.01) C25D 17/02 (2006.01)
Patent
CA 2595511
The invention relates to a method for treating surfaces of hollow parts, this method being a conversion treatment such as an anodizing, and to a method according to which the hollow pieces are completely immersed inside at least one treatment tank containing a liquid, characterized in that each hollow piece is immersed while making it execute at least one rotational movement so that the air bubbles likely to be created inside the tank are removed from the inner wall of the hollow part.
Procédé de traitement de surface de pièces creuses de type traitement de conversion, tel qu'une anodisation, procédé selon lequel les pièces creuses sont immergées complètement à l'intérieur d'au moins une cuve de traitement contenant un liquide caractérisé en ce qu'on immerge chaque pièce creuse en lui faisant faire au moins un mouvement de rotation tel que les bulles d'air susceptibles d'être créées à l'intérieur de la cuve sont chassées de la paroi intérieure de ladite pièce creuse.
Fetherstonhaugh & Co.
Golden Eagle Trading Ltd.
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