Global Patent Index - EP 3181938 B1

EP 3181938 B1 20190220 - METHOD FOR MANUFACTURING A HAIRSPRING WITH A PREDETERMINED STIFFNESS BY REMOVING MATERIAL

Title (en)

METHOD FOR MANUFACTURING A HAIRSPRING WITH A PREDETERMINED STIFFNESS BY REMOVING MATERIAL

Title (de)

HERSTELLUNGSVERFAHREN EINER SPIRALFEDER MIT EINER VORBESTIMMTEN STEIFIGKEIT DURCH WEGNAHME VON MATERIAL

Title (fr)

PROCEDE DE FABRICATION D'UN SPIRAL D'UNE RAIDEUR PREDETERMINEE PAR RETRAIT DE MATIERE

Publication

EP 3181938 B1 20190220 (FR)

Application

EP 15201330 A 20151218

Priority

EP 15201330 A 20151218

Abstract (en)

[origin: JP2017111131A] PROBLEM TO BE SOLVED: To provide a method for manufacturing a balance spring having very high dimensional accuracy and a proper rigidity.SOLUTION: The present invention relates to a method for manufacturing a balance spring having a predetermined rigidity. The method includes the steps of: manufacturing a balance spring having a dimension in which its thickness is increased; and determining a rigidity of the balance spring formed in the step a), in order to obtain the balance spring having a dimension necessary for the predetermined rigidity by removing a material with a certain volume.SELECTED DRAWING: Figure 2

IPC 8 full level

F16F 1/10 (2006.01); G04B 17/06 (2006.01); G04D 7/08 (2006.01); G04D 7/10 (2006.01)

CPC (source: CN EP US)

G04B 17/066 (2013.01 - EP US); G04D 3/0069 (2013.01 - CN); G04D 3/0074 (2013.01 - CN); G04D 7/10 (2013.01 - EP US)

Citation (opposition)

Opponent : Richemont International SA

Opponent : Sigatec SA

  • EP 1213628 A1 20020612 - EBAUCHESFABRIK ETA AG [CH]
  • CH 709516 A2 20151015 - BREITLING MONTRES SA [CH]
  • EP 2455825 A1 20120523 - NIVAROX SA [CH]
  • WO 2012007460 A1 20120119 - ETA SA MFT HORLOGERE SUISSE [CH], et al
  • EP 1422436 A1 20040526 - CSEMCT SUISSE D ELECTRONIQUE E [CH]
  • EP 2423764 A1 20120229 - ROLEX SA [CH]
  • EP 2154583 A1 20100217 - ROLEX SA [CH]
  • EP 2613206 A1 20130710 - MONTRES BREGUET SA [CH]
  • WO 2013034597 A1 20130314 - NIVAROX SA [CH], et al
  • WO 2011072960 A1 20110623 - SWATCH GROUP RES & DEV LTD [CH], et al
  • WO 2015132259 A2 20150911 - RICHEMONT INT SA [CH]
  • WO 2014053336 A1 20140410 - SWATCH GROUP RES & DEV LTD [CH]
  • DE 10127733 A1 20030206 - SILICIUM ENERGIESYSTEME E K DR [DE]
  • FR 1502464 A 19671118 - STRAUMANN INST AG
  • EP 3056948 A1 20160817 - MASTER DYNAMIC LTD [CN]
  • EP 3106929 A1 20161221 - NIVAROX FAR SA [CH]
  • GROUPE DES FABRICANTS SUISSES DE SPIRAUX: "Le Spiral. Ses proprietes, ses qualites, sa manipulation", CLASSEUR TECHNIQUE A L'USAGE DU PRATICIEN, 1969, XP055654217
  • REYMONDIN C-A ET AL: "Théorie d'Horlogerie", 1998, FET, article "Le Spiral", XP055654565
  • GAVIN HO KAR-FAI: "DESIGN AND CHARACTERIZATION OF SILICON MICROMECHANICAL RESONATORS", DOCTORAL DISSERTATION, August 2008 (2008-08-01), Georgia Tech, XP055654518, Retrieved from the Internet <URL:https://smartech.gatech.edu/bitstream/handle/1853/29634/ho_gavin_k_200808_phd.pdf>
  • FAN Z. ET AL: "An evolutionary approach for robust layout synthesis of MEMS", PROCEEDINGS, 2005 IEEE/ASME INTERNATIONAL CONFERENCE ON ADVANCED INTELLIGENT MECHATRONICS, August 2005 (2005-08-01), pages 1186 - 1191, XP010837921
  • ABDELMONEUM M A ET AL: "Location-Dependent Frequency Tuning of Vibrating Micromechanical Resonators Via Laser Trimming", FREQUENCY CONTROL SYMPOSIUM AND EXPOSITION, 2004. PROCEEDINGS OF THE 2004 IEEE, 23 August 2004 (2004-08-23), pages 272 - 279, XP010784624
  • RONG LIU ET AL: "MEMS Resonators That Are Robust to Process-Induced Feature Width Variations", JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, vol. 11, no. 5, October 2002 (2002-10-01), pages 505 - 511, XP055654309
  • YOAN CIVET: "Compensation de la fréquence des résonateurs MEMS pour des applications de référence temps", THÉSE DOCTORAT, 7 August 2006 (2006-08-07), Université de Grenoble, XP055654305, Retrieved from the Internet <URL:https://tel.archives-ouvertes.fr/tel-00838019v2/document>
  • COURCIMAULT C G ET AL: "High-Q mechanical tuning of MEMS resonators using a metal deposition - annealing technique", TRANSDUCERS '05 : THE 13TH INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS, ACTUATORS AND MICROSYSTEMS, vol. 1, 5 June 2005 (2005-06-05), pages 875 - 878, XP010828057
  • OLIVIER MARESCHAL: "Étude d’un résonateur piézoélectrique à ondes acoustiques de volume en technologie film mince", THÈSE DOCTORAT, 22 March 2011 (2011-03-22), Paris Est, École doctorale MSTIC, XP055654294
  • REYMONDIN C-A ET AL: "THÉORIE D'HORLOGERIE", 1998, FET, article "L'appairage du balancier et du spiral", pages: 145 - 146, XP055654290
  • LÉOPOLD DEFOSSEZ: "THÉORIE GÉNÉRALE DE L'HORLOGERIE", 1950, article "Détermination du moment élastique C du spiral", pages: 32 - 40, XP055654282
  • S. V. TARASOV: "TECHNOLOGY OF WATCH PRODUCTION", 1964, OLDBOURNE PRESS, article "Assembly of the Balance and Hairspring", pages: 396 - 397, XP055654280
  • GREINER G.: "Le Spiromatic : appareil a compter les spiraux de balanciers", BULLETIN ANNUAL DE LA SSC & LSRH, no. 23, 29 May 1948 (1948-05-29) - 30 May 1948 (1948-05-30), pages 494 - 495, XP055654276
  • GAGNEBIN M. P-L: "Procédé de réglage de montres au point d'attache par sélection des balanciers et spiraux", BULLETIN ANNUEL DE LA SSC & LSRH. SOCIÉTÉ SUISSE DE CHRONOMÉTRIE, no. 41, 14 May 1966 (1966-05-14) - 15 May 1966 (1966-05-15), pages 321 - 323, XP055648555
  • MARTI F.: "Procédés modernes d'étalonnage des spiraux de montres {Comptage des spiraux)", BULLETIN ANNUEL DE LA SSC & LSRH, no. 22, 31 May 1947 (1947-05-31), pages 363 - 368, XP055654274
  • M. A. JAQUEROD: "Un verre à coefficient thermoélastique nul", LABORATOIRE SUISSE DE RECHERCHES HORLOGÉRES, pages 246 - 248
  • ANTHONY G. RANDALL: "Spiraux de verre", HORLOGERIE ANCIENNE, 26 October 2011 (2011-10-26), pages 35 - 48, XP055654262

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

DOCDB simple family (publication)

EP 3181938 A1 20170621; EP 3181938 B1 20190220; CN 106896708 A 20170627; CN 106896708 B 20191015; CN 110376871 A 20191025; JP 2017111131 A 20170622; JP 6343651 B2 20180613; US 10324417 B2 20190618; US 2017176940 A1 20170622

DOCDB simple family (application)

EP 15201330 A 20151218; CN 201611164448 A 20161216; CN 201910652696 A 20161216; JP 2016234770 A 20161202; US 201615354317 A 20161117