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Clock component

A component and watch technology, applied in the field of watch mechanism, can solve problems such as difficulty in maintaining lubrication and ensuring lubrication of watch mechanism

Inactive Publication Date: 2017-06-27
NIVAROX FAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Clockwork mechanisms are often difficult to keep lubricated and difficult to keep lubricated over time
Deterioration of the initial lubricant often means that the watch owner must send the watch back for repair

Method used

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Embodiment Construction

[0019] The invention relates to a timepiece component 1 with improved tribological properties.

[0020] This component 1 comprises an electroformed core 2 of a material suitable for electroforming, which core 2 is at least partially coated with a surface layer 3 of gold or a gold alloy, so that the surface comprising said gold or gold alloy The tribological properties of the core are improved in the region 4 of the layer 3 .

[0021] According to the invention, the core 2 is made of only one type of material, and the material of the electroformed core 2 comprises nickel.

[0022] More particularly, core 2 is hollow.

[0023] More particularly, the material of the electroformed core 2 comprises cobalt.

[0024] More particularly, the material of the electroformed core 2 comprises tungsten.

[0025] More particularly, the material of the electroformed core 2 comprises nickel phosphorus alloy (NiP).

[0026] More particularly, the material suitable for electroforming contains...

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Abstract

A timepiece component includes a core (2) of material suitable for electroforming, containing nickel-phosphorus or made of nickel-phosphorus, which core is, at least locally, coated with a surface layer of gold or gold alloy, to improve its tribological behaviour in areas including the surface layer of gold or gold alloy. The component is made by a fabrication method that includes the steps consisting in preparing a composition suitable for creating a solid core by a LIGA or electroforming method; shaping the solid core by a LIGA or electroforming method; coating the solid core, at least locally in areas subject to friction, with a gold or gold alloy surface layer.

Description

technical field [0001] The invention relates to a timepiece component comprising a core made of a material suitable for electroforming, which core is at least partially coated with a surface layer of gold or a gold alloy in order to improve the Tribological properties in the region of the surface layer of the alloy. [0002] The invention also relates to a method for manufacturing a timepiece component. [0003] The invention also relates to a watch comprising at least one such part. [0004] The invention relates to the field of timepiece mechanisms, in particular to escapements. Background technique [0005] Timepiece mechanisms are often difficult to keep lubricated, and difficult to keep lubricated over time. Deterioration of the initial lubricant usually means that the watch owner must send the watch back for repair. [0006] WO 2009 / 083487 in the name of NIVAROX-FAR SA discloses a method for producing metallic microstructures in a UV-LIGA (Lithographie Galvanik Abf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B13/02G04B15/14G04B17/06G04B17/32G04D3/00C22F1/10C22C19/03
CPCG04B15/14G04D3/0069G04D3/0074G04B13/026C22C19/03C22F1/10G04B17/063G04B17/066G04B17/32C25D1/003G03F7/00G04B31/08C25D3/48G04B29/027G04B31/012
Inventor C·沙邦
Owner NIVAROX FAR