Timepiece dial and processes for manufacturing this dial
AssigneeRolex SA
InventorsRoland Dubach, Hilario Gomes, Alexandra Prodromides
Life of this patent
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Abstract
The surface of metallic appearance of the timepiece dial has a visible morphology corresponding to that of mother-of-pearl. According to the process for manufacturing this dial, a mother-of-pearl sheet is subjected to a sandblasting operation, to give its surface finish the morphology of mother-of-pearl, this surface is cleaned and coated with a layer of metallic appearance.
Claims11
Timepiece dial, a visible surface of which has a metallic appearance, comprising a surface finish of the said surface of metallic appearance has a visible morphology characteristic of that of a polished mother-of-pearl surface.
Process for manufacturing a timepiece dial, a visible surface of which includes a coating of metallic appearance, the surface finish of which has a morphology characteristic of that of mother-of-pearl, wherein a mother-of-pearl sheet is subjected to a sandblasting operation, in order to give it a surface finish corresponding to the morphology of this mother-of-pearl, the surface is cleaned and coated with a metal layer or layer of metallic oxide, nitride or carbide.
Dependencies are inferred from the claim text.