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Watch with a polygonal bezel

A polygon, watch technology, applied in the field of horology, can solve problems such as easy breakage

Active Publication Date: 2008-08-06
TISSOT SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unlike soft materials, brittle materials are usually fairly wear-resistant but prone to fracture at the corners

Method used

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  • Watch with a polygonal bezel

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] The watch shown in FIGS. 1 , 2 and 3 comprises, in a conventional manner, a case 10 formed by a middle part 12 , a back cover 14 and a bezel 16 . Middle part 12 defines together with back cover 14 a case 18 housing movement 20 . Movement 20 may be of the mechanical type, or of the electromechanical type powered by a battery, not shown. The watch also comprises a crystal 22 mounted on the middle part 12, a dial 24 interposed between the movement 20 and the crystal 22, and time indication means kinematically connected to the movement 20, such as hands 26 and 28. A crown 30 fixed to the winding stem on the side of the middle part 12 is used for winding and calibrating the indication of time.

[0015] Middle part 12 , back cover 14 and bezel 16 have a generally square geometry. In a variant, middle part 12 , back cover 14 and bezel 16 may have any polygonal shape, for example rectangular, hexagonal, triangular, etc. The middle part 12 and the back cover 14 are formed fr...

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PUM

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Abstract

The invention concerns a watch comprising a middle part (12) including a top face (32) arranged for receiving a polygonal bezel (16) made of a first material. The corners of the bezel (16) are truncated and the middle part (12) is fitted with angular elements (40 a, b, c, d) made of a second material, secured to the top face (32) thereof, and arranged so as to be substituted for the truncated corners of the bezel (16) when the latter is mounted on the middle part (12).

Description

technical field [0001] The invention relates to the field of horology. The invention relates more particularly to a watch comprising a middle part on which is mounted a polygonal bezel of soft or brittle material. Background technique [0002] By "soft material" is meant a material with a Vickers hardness of less than 30 HV, such as wood, certain plastics or even leather. By "brittle material" is meant a material that does not have areas of plastic deformation, such as ceramics, stone, or mother-of-pearl. More generally, the group of soft or brittle materials consists essentially of non-metallic materials. [0003] Watches comprising an exterior made of soft material such as wood are known to those skilled in the art due to their particular decorative appearance. In the present embodiment, the case is formed either entirely of wood, or of a metal body covered with a wooden cover. Further information on these examples can be found in patent applications No. DE 233 309 and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B37/00G04B47/00
CPCG04B37/22G04B37/0058G04B37/228G04B47/00
Inventor M·希拉尔丁D·阿波特海洛茨J-C·格拉西亚
Owner TISSOT SA