Clockwork component, clockwork, timepiece, and method for manufacturing a clockwork component of said type

A technology for clock movement and parts, applied in the field of manufacturing such clock movement parts, can solve the problems of complex mechanical properties, inability to achieve high mechanical precision, and complexity.

Active Publication Date: 2019-05-03
LVMH SWISS MFG SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] - the extrusion process makes it impossible to achieve high mechanical precision, resulting in unacceptable timing inaccuracies,
[0006] - the orientation of the nanotubes is poorly controlled because the nanotubes are arranged randomly in a homogeneous mixture,
[0007] - the method is complicated to implement in order to ensure a good homogeneity of the material and thus the regularity of the coil springs,
[0008] - Obtaining the required mechanical properties of a coil spring is complicated because the amount of mixture must be adjusted very precisely while maintaining homogeneity

Method used

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  • Clockwork component, clockwork, timepiece, and method for manufacturing a clockwork component of said type
  • Clockwork component, clockwork, timepiece, and method for manufacturing a clockwork component of said type
  • Clockwork component, clockwork, timepiece, and method for manufacturing a clockwork component of said type

Examples

Experimental program
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Embodiment Construction

[0045] In the figures, the same reference numerals designate the same or similar elements.

[0046] figure 1 A timepiece 1 such as a wrist watch is shown comprising:

[0047] - Shell 2,

[0048] - a timepiece movement 3 contained in a case 2,

[0049] - in general, the winding mechanism 4,

[0050] - dial 5,

[0051] - the crystal 6 covering the dial 5,

[0052] - A time indicator 7 , for example comprising two hands 7 a , 7 b , respectively hour and minute, arranged between the crystal 6 and the dial 5 , driven by the timepiece movement 3 .

[0053] Such as figure 2 As schematically shown in, for example, the timepiece movement 3 may include:

[0054] - means 8 for storing mechanical energy, usually a mainspring,

[0055] - a mechanical transmission 9 driven by a device 8 for storing mechanical energy,

[0056] - the aforementioned time indicator 7,

[0057] - energy distributing wheel 10 (for example, the escapement wheel of a Swiss anchor escapement or similar), ...

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Abstract

Disclosed is a clockwork component (12a) made of a composite material comprising a rigid matrix and a nanotube forest in the rigid matrix.

Description

technical field [0001] The invention relates to a part of a timepiece movement, a timepiece movement and a timepiece, and to a method of manufacturing such a part of a timepiece movement. Background technique [0002] A timepiece movement usually includes a regulator, a mechanical oscillator that determines the time base of the timepiece movement. The regulator consists of a coil spring associated with a pendulum known as a balance. This coil spring requires extremely high dimensional accuracy, which determines the timekeeping accuracy of the watch movement. [0003] Examples of coil springs are specifically listed in document JP2008116205A. The coil spring is made of a composite material comprising a matrix of graphite and amorphous carbon reinforced by carbon nanotubes dispersed in the matrix and aligned in the longitudinal direction of the coil. Nanotubes are about 10 nm in diameter and about 10 microns in length. To make the coils, a homogeneous mixture is first crea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B1/14C08J5/00G04B17/06F16F1/366F16F1/368F16F1/10G04B17/04C01B32/16B82Y30/00
CPCG04B17/045G04B17/066C01B2202/02C01B32/16B82Y15/00B82Y40/00G04B1/145C01B2202/06
Inventor 久伊·西蒙贾松·伦德布里安·詹森
Owner LVMH SWISS MFG SA
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