EP2407831A1 - Spirale für Unruh-Oszillator einer Uhr, und ihr Herstellungsverfahren - Google Patents

Spirale für Unruh-Oszillator einer Uhr, und ihr Herstellungsverfahren Download PDF

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Publication number
EP2407831A1
EP2407831A1 EP11405279A EP11405279A EP2407831A1 EP 2407831 A1 EP2407831 A1 EP 2407831A1 EP 11405279 A EP11405279 A EP 11405279A EP 11405279 A EP11405279 A EP 11405279A EP 2407831 A1 EP2407831 A1 EP 2407831A1
Authority
EP
European Patent Office
Prior art keywords
blade
openings
thickness
spiral
bridges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11405279A
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English (en)
French (fr)
Other versions
EP2407831B1 (de
Inventor
Richard Bossart
Jérôme Daout
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolex SA
Original Assignee
Rolex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP11405279.8A priority Critical patent/EP2407831B1/de
Publication of EP2407831A1 publication Critical patent/EP2407831A1/de
Application granted granted Critical
Publication of EP2407831B1 publication Critical patent/EP2407831B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/066—Manufacture of the spiral spring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49609—Spring making

Definitions

  • the present invention relates to a spiral balance for a balance-sprung oscillator of a timepiece which can be produced, in particular, in a low-density material such as silicon, diamond or quartz, as well as a process for the manufacture of such a hairspring.
  • the aforementioned low-density materials make it possible to give the hairspring a complex geometry by micro-fabrication techniques, for example by masking and etching a silicon wafer.
  • the chronometric performance of the hairspring depends directly on its mass, because the mass of the hairspring contributes, during the expansion and the contraction of the latter, to the forces exerted on the pivots of the balance.
  • EP 1 921 518 describes an assembly element that can equip a timepiece.
  • This element comprises elastic rectilinear blades and openings (clearance lights) separated by bridges of material. It aims to improve the strength of its clamp against a tree.
  • European patent application no. EP 2 233 989 filed before but published after the filing of the present application, relates to a spiral spring which may comprise on part of its last turn, openings formed by a first strand located on the normal curve of this turn and a second strand positioned substantially parallel, these strands being rigidly connected by bridges.
  • This arrangement aims to bring the center of action of the spiral in correspondence with the center of the balance associated with the spiral, to correct the spiral of its non concentric development (cf paragraph [0014] and figures).
  • the object of the present invention is to reduce the weight of a hairspring for a timepiece, while keeping a rigidity equivalent to that of a solid hairspring.
  • the subject of the present invention is a spiral for a balance-balance oscillator comprising at least one blade whose cross section has a thickness and a height, this blade forming turns, at least one of which is provided with a plurality openings that extend in the direction of the height of the blade and alternate with bridges, the spiral is distinguished in that these openings are distributed at least over the entire length of the coil or openwork turns (s).
  • the mass of the blade is reduced and it follows an improvement of the isochronism of the balance-balance control member.
  • the openings are distributed over the entire length of the blade.
  • the openings can be distributed regularly, either with a constant distance between bridges, or with an angular pitch between constant bridges, or irregularly, with an angular pitch or a distance between variable bridges, over the entire length of the or the turns or any the blade.
  • the openings and the thickness of the blade are dimensioned so that the rigidity of the blade is the same as that of a reference blade of determined section and without openings, which is advantageous for the behavior of the spiral during shocks, given the decrease in its mass.
  • the openings have an elongated shape and the blade has two equidistant portions integral with one of the other and separated by the openings.
  • the openings are of circular or elliptical shape.
  • the two equidistant portions each have a thickness less than half the thickness of the reference blade and are separated at the openings by a distance greater than half the thickness of the the reference blade without openings.
  • the thicknesses of the two equidistant portions of the blade are each equal to one quarter of the thickness of the reference blade and the total thickness of the blade is equal to 1.05 times the thickness of the reference blade without in days.
  • the bridges are regularly located along the blade with a constant angular spacing.
  • the angular difference between the bridges alternating with the openings is chosen between 1 ° and 360 °.
  • the angular difference between the bridges is 30 ° on the inner turns and 15 ° on the outer turns.
  • the bridges are regularly located along the blade with a constant distance between bridges.
  • the blade is made of silicon, diamond or quartz.
  • the blade is made of a metal alloy, for example a Ni-based alloy.
  • the blade has a constant thickness along the turns.
  • the blade has a variable thickness along the turns.
  • the blade comprises a core and a layer of outer material enveloping the core, configured such that the ratio between the dimensions of the core and the outer material layer remains constant along the blade.
  • the core of the blade is silicon and the outer material layer is silicon dioxide SiO 2 .
  • the invention also relates to a method of manufacturing such a spiral.
  • the spiral blade is intended to be connected to a timepiece balance (not shown) and it elastically deforms concentrically during its contraction and expansion, consecutive oscillations spiral balance.
  • a blade 1 or ribbon of a spiral of the state of the art has a cross section of rectangular shape, height h and thickness e, and has an inner end connected to a ferrule (not shown) for attachment to the shaft of a pendulum and an outer end connected to a fixed attachment point (not shown).
  • the monobloc blade 1 is referred to as reference blade 1 without openings.
  • the hairspring is made of a low-density material such as silicon, diamond or quartz by micro-fabrication techniques making it possible to produce complex blade geometries, for example by masking, etching and cutting a plate. of silicon.
  • the directions respectively axial, radial and angular are used by convention to simplify the description and correspond substantially to the directions extending respectively along the height of the cross section, the thickness of the cross section and each turn of the blade.
  • the spiral according to the invention shown in figures 2 and 11 comprises a blade 2 forming turns which have gaps 3 spaced regularly over all their lengths, in the thickness of the blade, so as to reduce the mass / stiffness ratio, and ultimately to reduce its mass.
  • the openings 3 pass axially through the blade 2, in the direction of the height of its cross-section between two equidistant portions 4, which is better illustrated on FIG. figure 4 .
  • the openings 3 preferably have an elongated shape. They are located each between equidistant portions 4 of the blade 2 alternating with bridges 5 joining the two equidistant portions 4.
  • the bridges 5 are evenly distributed along the blade 2 at an angular distance ⁇ of 30 °, the arc length of the openings 3 increasing outwardly of the blade 2 at each turn of the spiral turn.
  • the angular distance ⁇ between the bridges 5 can be chosen between 1 ° and 360 °.
  • This angular difference ⁇ can be chosen different for the inner turns and for the outer turns, as illustrated in FIG. figure 10 where it is equal to 30 ° for the inner turns and 15 ° for the outer turns. It can also vary continuously, for example to maintain a distance between two bridges along turns substantially constant d.
  • the arrangement of the bridges 5, the dimensioning of the openings 3 and the thickness of the portions 4 are configured so as to ensure that the blade 2 of the figure 2 the same rigidity as that of the reference blade 1 without openings.
  • the blade 2 of the spiral according to the invention is comparable to a beam of height h 'and of total thickness e' formed of two equidistant and symmetrical portions 4, d ' thickness e "and separated by an aperture 3 passing through two opposite planar faces 7 of the portions 4.
  • the difference in market between positions, on the figure 5 is typically 3-4 s / d between 200 ° and 300 ° amplitude with a value of 3.62 s / d at 250 ° for the blade 1 while it is, on the figure 6 , 1-2 s / d between 200 ° and 300 ° amplitude with a value of 1.82 s / d at 250 ° for the blade 2.
  • the blade 2 of the hairspring according to the invention thus makes it possible to significantly reduce the operating deviations of the regulating member by dividing them by two in this example.
  • the figure 7 illustrates the maximum operating distance ⁇ M obtained on the one hand with a blade 1 (curve denoted "1") of a thermocompensated balance of 14 turns (14 turns), 5 mm in diameter, a constant thickness of 44 ⁇ m and a no 136 ⁇ m, other part with a blade 2 according to the invention of a heat-compensated hairspring with a number of turns, a diameter and an equivalent rigidity, but with a mass of 0.5, respectively 0.75 times the mass of the hairspring with the blade 1 .
  • the maximum gimbal clearance is substantially reduced by 0.5 s / d at 200 ° of amplitude, and shows a comparable decrease of gait irrespective of the amplitude of the balance-balance oscillator.
  • the conformation of the openings 3 of the blade 2 of the spiral according to the invention is also advantageous for the thermo compensation of a blade of variable thickness.
  • thermocompensating materials other than Si are known to those skilled in the art.
  • the ratio between the dimensions the core 12 and the layer 13 of outer material is advantageously constant all along the hairspring, even in the parts of the blade 2 showing a large variation in total thickness e ', as illustrated in FIG. figure 9 .
  • the thickness of SiO 2 necessary to achieve the thermo compensation is reduced compared to the thickness required for the reference blade 1 without openings .
  • the blade 2 according to the invention has a lower mass while keeping the same rigidity as that of the reference blade 1 without openings, it will be less sensitive to shocks.
  • the present invention could also be applied to a spiral with turns of varying pitch and thickness, such as those described in the application EP 2,299,336 . It is also conceivable to vary the thickness of the portions and their spacing along the blade. It is also possible that the two portions show different thicknesses, or use more than two portions connected by bridges. The spacing between the bridges can also be varied. In addition, the thicknesses of each of the two portions of the blade can also vary along the blade, as their spacing. In addition, the two blades can have different thicknesses and the ratio of these thicknesses can evolve along the blade.
  • the figure 12a is a spiral whose blade portions have a thickness that varies between the bridges, which aims to maintain the maximum constant stresses in the section portions and minimize the risk of rupture of the blades.
  • the figure 12b represents a polygonal shape and the figure 12c a wavy shape, these forms to adjust the compressibility of the inner portion, the side that works in compression during bending, and thus influence the linearity of the elastic behavior. This is to avoid strongly non-linear effects due to buckling of the inner part.
  • These shapes and variations can, of course, evolve along the blade, each blade portion between two bridges may have its own structure.
  • bridges that are not oriented perpendicular to the blade, such as the inclined bridges visible on the bridge.
  • bridges that are not oriented perpendicular to the blade and that have the effect of increasing the rigidity of the blade, as on the figure 12f or on the figure 12g .
  • the shape, size and orientation of the bridges can thus have a more or less important influence on the blade stiffness. These parameters are also to be taken into account in case of optimization of the shape of the blade in order to obtain a concentric development of the hairspring and good chronometric performances of the balance-hairspring.
  • the spirals according to the invention are advantageously produced by microfabrication techniques, such as the DRIE ("Deep Reactive Ion Etching") method for Si, quartz or diamond, or the UV-LiGA process ("Lithography, Galvanoformung, Abformung For Ni or NiP alloys. It is also possible to use more conventional methods such as laser machining, water jet or EDM if the dimensions of the elements and the required tolerances allow it.
  • DRIE Deep Reactive Ion Etching
  • UV-LiGA process Lithography, Galvanoformung, Abformung For Ni or NiP alloys.
  • the hairspring according to the invention could have several blades 2 angularly offset which could possibly be interconnected by an intermediate ring, as described and illustrated in the patent application.
  • EP 2 151 722 could be interconnected by an intermediate ring, as described and illustrated in the patent application.
  • the present invention could also be applied, in the field of watchmaking, to other flexible elements such as springs, the arms of a mobile, the flexible parts of a game-catching gear or a ferrule.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Springs (AREA)
EP11405279.8A 2010-07-12 2011-07-11 Spirale für Unruh-Oszillator einer Uhr, und ihr Herstellungsverfahren Active EP2407831B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11405279.8A EP2407831B1 (de) 2010-07-12 2011-07-11 Spirale für Unruh-Oszillator einer Uhr, und ihr Herstellungsverfahren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10405134 2010-07-12
EP11405279.8A EP2407831B1 (de) 2010-07-12 2011-07-11 Spirale für Unruh-Oszillator einer Uhr, und ihr Herstellungsverfahren

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EP2407831A1 true EP2407831A1 (de) 2012-01-18
EP2407831B1 EP2407831B1 (de) 2022-09-07

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US (1) US8562206B2 (de)
EP (1) EP2407831B1 (de)
JP (1) JP5851135B2 (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012152843A1 (fr) * 2011-05-09 2012-11-15 Lvmh Swiss Manufactures Sa Ressort spiral en silicium pour montre mecanique
CH706087A1 (fr) * 2012-02-01 2013-08-15 Piguet & Co Horlogerie Spiral plat pour organe régulateur d'un mouvement d'horlogerie.
EP2717103A1 (de) * 2012-10-04 2014-04-09 The Swatch Group Research and Development Ltd. Leuchtende Spiralfeder
EP2730980A1 (de) * 2012-11-09 2014-05-14 Nivarox-FAR S.A. Uhrmechanismus zur Begrenzung oder Übertragung
EP2767869A1 (de) * 2013-02-13 2014-08-20 Nivarox-FAR S.A. Verfahren zur Herstellung eines mikromechanischen Monoblock-Bauteils, das mindestens zwei verschiedene Ebenen umfasst
EP2804054A1 (de) * 2013-05-17 2014-11-19 ETA SA Manufacture Horlogère Suisse Antihaftvorrichtung einer Spiralfeder auf einer Brücke
WO2014203085A1 (de) * 2013-06-21 2014-12-24 Damasko Uhrenmanufaktur KG Schwingsystem für mechanische uhrwerke, verfahren zur herstellung einer spiralfeder und spiralfeder
EP2884347A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Spiralfeder mit Vorrichtung zum Verhindern der gegenseitigen Annäherung der Federwindungen
EP2884346A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Polygonale Spirale für Schwinger einer Uhr
EP2889702A2 (de) 2013-12-05 2015-07-01 TGM Developpement SA Ankerplatte für die Bewegungshemmung einer Armbanduhr, und angepasstes Herstellungsverfahren
EP2889703A2 (de) 2013-12-05 2015-07-01 TGM Developpement SA Herstellungsverfahren eines mechanischen Bauteils aus Diamant für das Uhrwerk einer Armbanduhr, und nach diesem Verfahren hergestelltes Bauteil
WO2015198262A1 (de) * 2014-06-26 2015-12-30 Damasko Uhrenmanufaktur KG Spiralfeder und verfahren zu deren herstellung
WO2015198261A1 (de) * 2014-06-26 2015-12-30 Damasko Uhrenmanufaktur KG Herstellungsverfahren für eine spiralfeder für mechanische uhrwerke und spiralfeder
TWI721025B (zh) * 2015-10-22 2021-03-11 瑞士商伊塔瑞士鐘錶製造公司 具有可變截面之小型游絲

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US8777195B2 (en) * 2011-09-23 2014-07-15 Adicep Technologies, Inc. Non-linear torsion spring assembly
US20150160832A1 (en) * 2013-12-06 2015-06-11 Facebook, Inc. Dismissing Interactive Elements in a User Interface
EP2908183B1 (de) * 2014-02-14 2018-04-18 ETA SA Manufacture Horlogère Suisse Spiralfeder einer Uhr
JP6345493B2 (ja) * 2014-02-25 2018-06-20 シチズン時計株式会社 ひげぜんまい
JP6560250B2 (ja) 2014-12-12 2019-08-14 シチズン時計株式会社 時計部品および時計部品の製造方法
EP3317730A1 (de) 2015-07-03 2018-05-09 DAMASKO Uhrenmanufaktur KG Spiralfeder und verfahren zu deren herstellung
EP3159746B1 (de) * 2015-10-19 2018-06-06 Rolex Sa Hochdotierte siliziumfeder für uhr
EP3418816B1 (de) * 2017-06-20 2019-10-16 Lakeview Innovation Ltd. Unruhfeder mit rautenförmigem querschnitt für ein mechanisches uhrwerk einer kleinuhr sowie verfahren zur herstellung der unruhfeder
JP7246200B2 (ja) * 2019-02-15 2023-03-27 セイコーインスツル株式会社 ひげぜんまい、てんぷ、時計用ムーブメントおよび時計

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US570394A (en) * 1896-10-27 Hair-spring for watches
EP1422436A1 (de) 2002-11-25 2004-05-26 CSEM Centre Suisse d'Electronique et de Microtechnique SA Spiraluhrwerkfeder und Verfahren zu deren Herstellung
EP1921518A1 (de) 2006-11-09 2008-05-14 ETA SA Manufacture Horlogère Suisse Montageelement, das dehnbare Strukturen in Form von aufeinander liegenden Plättchen umfasst, und mit diesem Element ausgerüstete Uhr
EP2151722A1 (de) 2008-07-29 2010-02-10 Rolex Sa Spiralfeder für Spiralfeder-Unruh-Resonator
EP2233989A1 (de) 2009-03-24 2010-09-29 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Spiralfeder und ihre Reguliereinrichtung
EP2299336A2 (de) 2009-09-21 2011-03-23 Rolex Sa Flache Spirale für Unruh einer Uhr und gesamte Spiral-Unruh-Einheit

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EP1519250B1 (de) * 2003-09-26 2010-06-30 Asulab S.A. Spiralfeder-Unruh-Resonator mit Thermokompensation
JP2006214821A (ja) * 2005-02-02 2006-08-17 Seiko Instruments Inc 緩急機構を備えた機械式時計
EP1791039A1 (de) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Spiralfeder aus athermisches Glas für ein Uhrwerk und Herstellungsverfahren dafür
EP1818736A1 (de) * 2006-02-09 2007-08-15 The Swatch Group Research and Development Ltd. Stossfeste Spiralrolle
CH700640B1 (fr) 2009-03-19 2014-09-30 Mhvj Manufacture Horlogère Vallée De Joux Pièce d'horlogerie allegée et renforcée.
EP2434353B1 (de) * 2010-09-28 2018-01-10 Montres Breguet SA Antischwingungsspirale für Uhrenhemmungen
CH704906B1 (fr) * 2011-05-09 2020-06-30 Lvmh Swiss Mft Sa C/O Zenith Succursale De Lvmh Swiss Mft Sa Ressort spiral en silicium pour montre mécanique.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US570394A (en) * 1896-10-27 Hair-spring for watches
EP1422436A1 (de) 2002-11-25 2004-05-26 CSEM Centre Suisse d'Electronique et de Microtechnique SA Spiraluhrwerkfeder und Verfahren zu deren Herstellung
EP1921518A1 (de) 2006-11-09 2008-05-14 ETA SA Manufacture Horlogère Suisse Montageelement, das dehnbare Strukturen in Form von aufeinander liegenden Plättchen umfasst, und mit diesem Element ausgerüstete Uhr
EP2151722A1 (de) 2008-07-29 2010-02-10 Rolex Sa Spiralfeder für Spiralfeder-Unruh-Resonator
EP2233989A1 (de) 2009-03-24 2010-09-29 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Spiralfeder und ihre Reguliereinrichtung
EP2299336A2 (de) 2009-09-21 2011-03-23 Rolex Sa Flache Spirale für Unruh einer Uhr und gesamte Spiral-Unruh-Einheit

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012152843A1 (fr) * 2011-05-09 2012-11-15 Lvmh Swiss Manufactures Sa Ressort spiral en silicium pour montre mecanique
CH706087A1 (fr) * 2012-02-01 2013-08-15 Piguet & Co Horlogerie Spiral plat pour organe régulateur d'un mouvement d'horlogerie.
EP2717103A1 (de) * 2012-10-04 2014-04-09 The Swatch Group Research and Development Ltd. Leuchtende Spiralfeder
WO2014053336A1 (fr) * 2012-10-04 2014-04-10 The Swatch Group Research And Development Ltd Spiral lumineux
US9188958B2 (en) 2012-10-04 2015-11-17 The Swatch Group Research And Development Ltd Illuminated balance spring
RU2605502C1 (ru) * 2012-11-09 2016-12-20 Ниварокс-Фар С.А. Способ создания гибкого мультистабильного элемента
JP2015535931A (ja) * 2012-11-09 2015-12-17 ニヴァロックス−ファー ソシエテ アノニム 可撓性多重安定要素を作る方法
US9317015B2 (en) 2012-11-09 2016-04-19 Nivarox-Far S.A. Timepiece anti-trip mechanism
EP2730980A1 (de) * 2012-11-09 2014-05-14 Nivarox-FAR S.A. Uhrmechanismus zur Begrenzung oder Übertragung
WO2014072317A3 (fr) * 2012-11-09 2014-07-03 Nivarox-Far S.A. Procédé de réalisation d'un élément flexible multistable
WO2014072317A2 (fr) 2012-11-09 2014-05-15 Nivarox-Far S.A. Procédé de réalisation d'un élément flexible multistable
US9778620B2 (en) 2012-11-09 2017-10-03 Nivarox-Far S.A. Method for creating a flexible, multistable element
EP2767870A3 (de) * 2013-02-13 2015-07-08 Nivarox-FAR S.A. Verfahren zur Herstellung eines mikromechanischen Monoblock-Bauteils, das mindestens zwei verschiedene funktionelle Ebenen umfasst
US9197183B2 (en) 2013-02-13 2015-11-24 Nivarox-Far S.A. Method of fabricating a single-piece micromechanical component including at least two distinct functional levels
EP2767869A1 (de) * 2013-02-13 2014-08-20 Nivarox-FAR S.A. Verfahren zur Herstellung eines mikromechanischen Monoblock-Bauteils, das mindestens zwei verschiedene Ebenen umfasst
US9348313B2 (en) 2013-05-17 2016-05-24 ETA SA Manufacture Horlogére Suisse Anti-adhesion device for a balance spring on a bar
JP2014228542A (ja) * 2013-05-17 2014-12-08 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス バー上のヒゲゼンマイのための抗接着デバイス
EP2804054A1 (de) * 2013-05-17 2014-11-19 ETA SA Manufacture Horlogère Suisse Antihaftvorrichtung einer Spiralfeder auf einer Brücke
WO2014203085A1 (de) * 2013-06-21 2014-12-24 Damasko Uhrenmanufaktur KG Schwingsystem für mechanische uhrwerke, verfahren zur herstellung einer spiralfeder und spiralfeder
EP2889703A2 (de) 2013-12-05 2015-07-01 TGM Developpement SA Herstellungsverfahren eines mechanischen Bauteils aus Diamant für das Uhrwerk einer Armbanduhr, und nach diesem Verfahren hergestelltes Bauteil
EP2889702A2 (de) 2013-12-05 2015-07-01 TGM Developpement SA Ankerplatte für die Bewegungshemmung einer Armbanduhr, und angepasstes Herstellungsverfahren
US9268307B2 (en) 2013-12-16 2016-02-23 Eta Sa Manufacture Horlogere Suisse Polygonal balance spring for a resonator for a timepiece
WO2015090815A3 (fr) * 2013-12-16 2015-12-10 Eta Sa Manufacture Horlogère Suisse Spiral avec dispositif anti-rapprochement de spires
EP2887152A3 (de) * 2013-12-16 2016-06-08 ETA SA Manufacture Horlogère Suisse Polygonale Spirale für Schwinger einer Uhr
US20160299470A1 (en) * 2013-12-16 2016-10-13 Eta Sa Manufacture Horlogère Suisse Balance spring with coil spacer device
EP2884346A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Polygonale Spirale für Schwinger einer Uhr
US9645549B2 (en) 2013-12-16 2017-05-09 Eta Sa Manufacture Horlogere Suisse Balance spring with coil spacer device
EP2884347A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Spiralfeder mit Vorrichtung zum Verhindern der gegenseitigen Annäherung der Federwindungen
WO2015198262A1 (de) * 2014-06-26 2015-12-30 Damasko Uhrenmanufaktur KG Spiralfeder und verfahren zu deren herstellung
WO2015198261A1 (de) * 2014-06-26 2015-12-30 Damasko Uhrenmanufaktur KG Herstellungsverfahren für eine spiralfeder für mechanische uhrwerke und spiralfeder
TWI721025B (zh) * 2015-10-22 2021-03-11 瑞士商伊塔瑞士鐘錶製造公司 具有可變截面之小型游絲

Also Published As

Publication number Publication date
CN102331704A (zh) 2012-01-25
JP5851135B2 (ja) 2016-02-03
JP2012021984A (ja) 2012-02-02
EP2407831B1 (de) 2022-09-07
US8562206B2 (en) 2013-10-22
US20120008468A1 (en) 2012-01-12

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