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AssigneeRubattel & Weyermann S.A.
InventorsGiovanni POLY, Frédéric JEANRENAUD
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A method for decorating an external part (10) for horology, jewellery or fashion accessories, including the steps of: forming a first interference (110) layer of titanium oxide over the entire decorative face (101) of a titanium substrate (100) by anodising the decorative face (101) at a voltage V1; machining a portion of the first interference layer (110) so as to form at least one opening (111) leading to a portion of the decorative face (101); and forming a second interference layer (120) of titanium oxide by anodising the portion at a voltage V2 lower than voltage V1.
A method for decorating an external part (10) for horology, jewellery or fashion accessories, characterised in that it comprises the steps of:
An external part (10) for horology, jewellery or fashion accessories comprising a titanium substrate (100) with a decorative face (101) with a first interference layer (110) of titanium oxide extending over a first portion of the decorative face, and a second interference layer (120) of titanium oxide extending over a second portion of the decorative face, the first interference layer (110) and the second interference layer (120) being contiguous and each having a different thickness.
Dependencies are inferred from the claim text.