Process for making glossy coatings on parts for example of vehicles especially of wheels and pieces coated with that process

摘要

A process for the gloss coating of parts, especially vehicle wheels, comprises (1) applying an anticorrosion smoothing primer (A), (2) spraying on a high- gloss coating (B) of metal, metal alloy or metal compound with the aid of a magnetron under vacuum, and (3) applying a transparent, wear-resistant topcoat of varnish (C). Also claimed are: (i) similar processes in which stage (1) is preceded by (a) mechanical smoothing of the surface and (b) application of a chromate layer (D), or by (a) mechanical smoothing, (b) application of a chromate layer (D) and (c) application of a layer of powder paint (E); and (ii) coated parts of metal or metal alloy, especially light alloy, with a coating system consisting at least of layers (A), (B) and (C) as above, at least on the visible surfaces.