FIELD: process engineering.
SUBSTANCE: carrier comprises metallic article with rib-relief surface including multiple adjacent continuously-rolled lengthwise ribs extending along said surface. Said ribs are regularly spaced apart. First organic primer layer is applied on rib relief. Second finish layer is applied on the latter. Said first primer layer and said finish layer ensure an invariable thickness of coating. Proposed method comprises the steps that follow. Metal sheet or plate is produced and passed through rolling mill including roller with outer surface whereat engraved is said rib relied and roller with flat outer surface. Rib profile surface is anodised for aluminium oxide film coat to be applied thereon. Organic primer coat is applied on aluminium oxide film. Finish layer is applied over organic primer layer to produce metallic article.
EFFECT: rust protection and self-cleaning of rib profile.
20 cl, 29 dwg
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