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US 12,007,718 B2Granted
Dial for a timepiece and method for manufacturing the same
AssigneeMontres Rado S.A.
InventorsHakim El Kadiri, Thomas Froelicher
Life of this patent
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Abstract
A dial for a timepiece includes a support and a mother-of-pearl sheet, the mother-of-pearl sheet having a front face and a rear face facing the support and on which a pattern has been printed. The mother-of-pearl sheet has a thickness between 50 μm and 100 μm so that the pattern printed on the rear face of the mother-of-pearl sheet appears transparently through the mother-of-pearl under normal conditions of illumination.
Claims9
A dial for a timepiece comprising:
- a support;
- a mother-of-pearl sheet, the mother-of-pearl sheet having a front face and a rear face facing said support and on which a pattern has been printed;
- a sapphire crystal positioned on the front face of the mother-of-pearl sheet;
- and
- a ring provided around a peripheral edge of the mother-of-pearl sheet,
- wherein the mother-of-pearl sheet has a thickness of between 140 μm and 160 μm so that the pattern printed on the rear face of the mother-of-pearl sheet appears transparently through the mother-of-pearl under normal conditions of illumination,
- wherein the printed pattern is formed by a set of lines of different widths,
- wherein the ring has a thickness from 700 μm to 900 μm, and
- wherein the support has a thickness from 350 μm to 400 μm.
6 more elements
Dependencies are inferred from the claim text.