Improvement in the manufacture of artistic objects by recording and incrustation on base metals (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the manufacture of artistic objects by engraving and embedding on base metals, characterized in that after obtaining the drawing to be made on an aluminum base metal, or aluminum alloys, by attacking the acid of the parts not protected with insulating varnish, anodizes the surface thus treated, either for recording or for incrustation with threads or plates of precious metals, thus obtaining in both cases the oxide film which is subsequently or simultaneously colored with said anodizing by immersion in bath of the corresponding coloring matter and adequate protection of the untreated areas. (Machine-translation by Google Translate, not legally binding)