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Process for decorating timepiece component and timepiece component obtained by same

A technology of clocks and components, applied in the direction of crafts for producing decorative surface effects, decorative art, visually indicating time, etc., can solve problems such as not being able to provide original decorative solutions

Active Publication Date: 2016-09-28
ROLEX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Finally, the choice of decorations that can be produced using these existing solutions is limited to some well-known long-standing solutions, thus, it is not possible to provide original decoration solutions

Method used

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  • Process for decorating timepiece component and timepiece component obtained by same
  • Process for decorating timepiece component and timepiece component obtained by same
  • Process for decorating timepiece component and timepiece component obtained by same

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Embodiment Construction

[0020] According to the method of carrying out the decoration process of the invention, the possibilities created by femtosecond laser processing are used, combined with a second decoration technique, to decorate clock components made of a large number of metals or non-metals. More specifically, the decoration process includes deep engraving using a femtosecond laser combined with a shallower grinding or machining known simply as "surface texturing". The demands and complexity of these operations are such that it is not considered practical to combine two machining operations of different types to form a given decoration on a clock member. In particular, conventional engraving produces burrs that must be removed by rework or polishing, which subsequently produce cosmetic defects in the regularity of the scoring. This shortcoming is overcome here. It has been demonstrated that these combined steps allow unexpected decorative effects to be achieved. This approach has the addit...

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Abstract

The invention provides a process for decorating a timepiece component. The process comprises the following steps: deeply engraving a surface of the timepiece component which is to be decorated through a femtosecond laser; and forming the surface of the timepiece component which is to be decorated, the two decorations at least partially overlapping with each other.

Description

technical field [0001] The invention relates to a process for decorating clock components, in particular watch components. The invention also relates to such a clock member obtained by carrying out this process. Finally, the invention also relates to a timepiece, in particular a wristwatch, for example a wristwatch, comprising such a timepiece member. Background technique [0002] When it is desired to produce decorations on clock components, such as dials, it is known, for example, to conventionally work the surface by processes such as grinding, brushing or diamond grinding, in order to give the surface a structure. This prior art approach involves a single step of machining the surface to be decorated, resulting in a selected surface finish. This step can be combined with other steps allowing the addition of colour, such as painting, electroplating or PVD deposition steps. [0003] Existing decorative solutions are unsatisfactory. In particular, it should be noted tha...

Claims

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Application Information

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IPC IPC(8): G04B19/10
CPCG04B19/10B44C1/228B23K26/0006B23K26/359B23K26/0624B23K26/355B23K2103/04B23K2103/08B23K2103/12B23K2103/14B23K2103/52G04B19/12G04B29/027
Inventor 安东尼·努瓦罗亚历山大·奥利韦拉
Owner ROLEX SA
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