EP 3220209 A1 20170920 - ECONOMICAL TIMEPIECE DISPLAY COMPONENT
Title (en)
ECONOMICAL TIMEPIECE DISPLAY COMPONENT
Title (de)
PREISGÜNSTIGE KOMPONENTE FÜR UHRENANZEIGEN
Title (fr)
COMPOSANT D'AFFICHAGE D'HORLOGERIE ECONOMIQUE
Publication
Application
Priority
EP 16160071 A 20160314
Abstract (en)
[origin: JP2017167134A] PROBLEM TO BE SOLVED: To provide a high-reliability economical method for manufacturing a timepiece display or hand-fitting component including an aesthetic and/or visible surface.SOLUTION: Provided is a method for manufacturing a timepiece display or hand-fitting component 1, comprising: choosing a first material which is easy to shape or to machine; making a workpiece 3 from the first material; choosing a second material to make a surface 2 of the component 1, which is an amorphous metal alloy or has a nanocrystalline structure or includes nickel or nickel-phosphorus, or which is a pure metal or an alloy of gold and/or silver and/or copper and/or rhodium and/or titanium and/or aluminum; coating the workpiece 3 with at least a thick layer 4 with an initial thickness E of 20 μm or more made from the second material, on the surface of the component 1; and removing all or part of the thick layer 4 by machining the surface 2 with a diamond tool.SELECTED DRAWING: Figure 4
Abstract (fr)
Procédé de fabrication économique d'un composant (1) d'affichage ou d'aiguillage d'horlogerie selon lequel : - on choisit un premier matériau facile à mettre en forme ou à usiner; - on réalise un lopin (3) dans ledit premier matériau ; - on choisit, pour la réalisation de chaque surface d'aspect (2) dudit composant (1), un deuxième matériau, qui est un alliage métallique amorphe ou de structure nanocristalline ou comporte du nickel ou du nickel-phosphore, ou qui est un métal pur ou un alliage d'or et/ou argent et/ou cuivre et/ou rhodium et/ou titane et/ou aluminium; - on recouvre ledit lopin (3), au moins sur les surfaces destinées à rester visibles sur ledit composant (1), d'une couche épaisse (4), d'une épaisseur initiale (E) supérieure à 20 micromètres, dudit deuxième matériau; on usine par diamantage à l'outil au moins une dite surface d'aspect (2), en enlevant tout ou partie de ladite couche épaisse (4).
IPC 8 full level
G04B 19/04 (2006.01); G04B 19/10 (2006.01); G04B 19/12 (2006.01)
CPC (source: CN EP US)
G04B 19/042 (2013.01 - EP US); G04B 19/10 (2013.01 - EP US); G04B 19/103 (2013.01 - EP US); G04B 19/12 (2013.01 - EP US); G04D 3/0043 (2013.01 - CN); G04D 3/0046 (2013.01 - CN EP US); G04D 3/0051 (2013.01 - EP US); G04D 3/0069 (2013.01 - CN)
Citation (search report)
- [A] CH 701442 A2 20110114 - ETA SA MFT HORLOGERE SUISSE [CH]
- [A] CH 280563 A 19520131 - BEYELER & CIE G [CH]
- [A] US 4404067 A 19830913 - ENOMOTO TADAO [JP]
- [A] US 4371429 A 19830201 - ENOMOTO TADAO [JP], et al
- [A] GB 2032657 A 19800508 - CITIZEN WATCH CO LTD
- [A] JP S6342395 A 19880223 - SEIKO INSTR & ELECTRONICS
- [A] EP 2182096 A1 20100505 - NIVAROX SA [CH]
- [L] ANONYMOUS: "diamantage pour des surfaces plus fins", 17 October 2016 (2016-10-17), XP055311486, Retrieved from the Internet <URL:http://www.samuelwerder.ch/lexikon/intro/info.asp?IDWissen=5&userlang=FR> [retrieved on 20161017]
- [L] N. N.: "Dictionnaire professionel illustré de l'horlogerie -- diamantage", 1 January 2016 (2016-01-01), XP055311965, Retrieved from the Internet <URL:http://www.fhs.swiss/berner/?l=fr> [retrieved on 20161018]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3220209 A1 20170920; EP 3220209 B1 20190206; CH 712211 A2 20170915; CN 107193201 A 20170922; CN 107193201 B 20200915; HK 1243780 A1 20180720; JP 2017167134 A 20170921; JP 6434553 B2 20181205; US 10620586 B2 20200414; US 2017261935 A1 20170914
DOCDB simple family (application)
EP 16160071 A 20160314; CH 3292016 A 20160314; CN 201710144476 A 20170313; HK 18103138 A 20180305; JP 2017041390 A 20170306; US 201715450211 A 20170306