EP2550566B1 - Spiralrolle mit nichtkreisformiger öffnung - Google Patents

Spiralrolle mit nichtkreisformiger öffnung Download PDF

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Publication number
EP2550566B1
EP2550566B1 EP11716801.3A EP11716801A EP2550566B1 EP 2550566 B1 EP2550566 B1 EP 2550566B1 EP 11716801 A EP11716801 A EP 11716801A EP 2550566 B1 EP2550566 B1 EP 2550566B1
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EP
European Patent Office
Prior art keywords
collet
split
central opening
ferrule
contour
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EP11716801.3A
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English (en)
French (fr)
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EP2550566A1 (de
Inventor
Jérôme Daout
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Rolex SA
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Rolex SA
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Publication date
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Priority to EP19206569.6A priority Critical patent/EP3623876A1/de
Priority to EP11716801.3A priority patent/EP2550566B1/de
Publication of EP2550566A1 publication Critical patent/EP2550566A1/de
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Publication of EP2550566B1 publication Critical patent/EP2550566B1/de
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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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • G04B17/345—Details of the spiral roll
    • 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
    • Y10T29/49579—Watch or clock making
    • Y10T29/49581—Watch or clock making having arbor, pinion, or balance
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members

Definitions

  • the invention relates to a split ferrule whose contour of the central opening for receiving a balance shaft is non-circular.
  • the invention also relates to a spiral ring-spring assembly and to a timepiece.
  • Swiss Patent No. CH 468662 described, particularly in connection with its figure 3 , a shell having four arms, a circular central opening, a slot for elasticity on the axis of a balance and a recess for balancing.
  • EP 1 302 821 relates to a split ferrule with circular central opening made in one piece with a spiral and having balancing recesses.
  • the French patent application number FR 2 124 243 ( US 3,785,028 ) relates to circular sleeves for spiral spring intended to be driven on the axis of the balance of a watch. These sleeves are made from profiles having an arm for fixing a hairspring and a control slot diametrically opposite to this arm.
  • the diameter of the opening provided to receive the balance shaft is smaller than the diameter of the balance shaft, so as to ensure good strength of the axis after driving. This difference in diameter is generally absorbed at least in part by a plastic deformation of the material of the ferrule.
  • Swiss Patent No. 508 233 proposes a split ferrule whose circular central opening has a second small elastic slot.
  • the two halves of this shell are extremely massive, which makes them very rigid and limits their amplitude of elastic deformation. This makes the ferrule very fragile, especially when it is made of a material such as silicon.
  • Swiss patent no. CH 252387 relates to a ferrule composed of two parts, a recessed ring and a U-shaped elastic piece disposed transversely inside the recessed ring.
  • the two arms of the U are constrained by the recessed ring and must deform to come to pinch the spiral blade and accommodate the axis of the balance when hunting.
  • the elasticity the level of the arm connection of the U-shaped part is insufficient, which easily leads to the rupture of this part, especially when it is made of a material such as silicon.
  • EP 2 112 565 discloses micromechanical parts having a central opening whose contour is not circular but has a rotation symmetry of 2 ⁇ / 3 about the axis passing through the center C of the central opening.
  • EP 2 112 565 discloses micromechanical parts having a central opening whose contour is not circular but has a rotation symmetry of 2 ⁇ / 3 about the axis passing through the center C of the central opening.
  • the major object of the invention is to provide a ferrule which can be driven on axes of different diameters while ensuring a suitable rotational holding torque without going beyond the elastic limit of the material and which does not cause unbalance .
  • split ferrules have existed for a very long time, it has never been proposed, until now, split ferrule having a central opening which is not circular and whose elastic properties make it possible to achieve the above purpose, in particular for a material without plastic deformation domain such as silicon, quartz or diamond.
  • the subject of the invention is a split ferrule according to claim 1.
  • this ferrule In addition to its original shape, it has been found that this ferrule is entirely satisfactory, in that it can accommodate axes of different diameters, it presents, once mounted for example on a balance shaft, an excellent pair of held on this axis and that its breakage rate during the chase for assembly to an axis is virtually zero.
  • the invention also relates to a ferrule-spring spiral assembly summarized in the following point: 20.
  • - spiral spring-ring assembly comprising a ferrule according to one of the points 1 to 19 and a spiral spring connected at a point on the contour of the ferrule, substantially facing the slot.
  • the point 21 below provides additional and advantageous features of the spiral ring-spring assembly according to the invention: 21.- Spiral spring-ring assembly according to point 20, the ferrule and the spiral spring being in one piece.
  • the invention also relates to a method of mounting a timepiece, comprising the driving of a spiral ring-spring assembly according to the invention on a balance shaft.
  • the split ferrule according to the invention is represented on the figure 1 .
  • it comprises a slot 1 and a central opening 2 which is intended to receive a balance shaft.
  • the contour 3 of the central opening 2 is not circular but it preferably has a certain symmetry.
  • the shape of the contour 3 of the central opening 2 is then preferably chosen so that this contour 3 has reflection symmetry with respect to the line R.
  • this symmetry is orthogonal.
  • the shape of the outline 19 of the ferrule may be chosen so that this contour 19 also has a reflection symmetry, preferably orthogonal, with respect to the straight line R.
  • the above-mentioned symmetry of the contour 3 has the advantage of making it possible to avoid imbalance and to obtain a balanced shell.
  • contours 3 or 19 there is not necessarily symmetry of the contours 3 or 19 with respect to the line R.
  • a contour 19 of asymmetrical ferrule we can see on the figures 3 and 6 to 11 a contour 19 of asymmetrical ferrule.
  • a non-symmetrical contour 3 whose asymmetry would for example be compensated by a lug located in the same place as the lug 17 of the figures 3 and 6 to 11 .
  • the center B of the central opening 2 may be distinct from the center C of the outline 19 of the ferrule, as it appears on the figure 1 .
  • the contour 3 of the central opening 2 comprises a first support portion 4 and a second support portion 5.
  • These support portions 4,5 intended to cooperate with the axis of a pendulum, are preferably symmetrical to each other with respect to the slot 1.
  • these parts 4,5 are rectilinear, that is to say that their radius of curvature on the side of the central opening 2 is infinite.
  • the support portions 4,5 can start from points located at the edge of the slot 1.
  • the arm 6 carries, on its side turned towards the center B, the first rectilinear support part 4 of the contour of the opening.
  • the arm 7 carries the second rectilinear support part 5.
  • the role of the arms 6,7 is on the one hand to constitute the points of support of the shell on the axis of the balance.
  • the presence of recesses 23,24 between the arms and the adjacent part of the shell makes it possible to maximize the length of the elastic zone of the shell, which then extends to the slot and covers an arc almost 180 ° on each half. Without the arms 6,7 and the recesses 23,24, the length of the elastic parts would be much smaller and the level of stress would be higher for an equivalent clamping at the axis.
  • the constraints can be spread over a greater distance. It can thus be seen that the presence of arms 6, 7 defined by the recesses 23, 24 between the arms 6, 7 and the adjacent part of the ferrule gives it a high degree of robustness.
  • the arms 6.7 are generally not considered elastic arms because, when driving the ferrule on the balance shaft, in principle, they do not deform elastically.
  • the slit of the ferrule defines two ferrule halves 21,22 on either side of the line R, indicated by broken lines on the figure 2 . It is the shapes of these two halves 21, 22 which give the shell all its elasticity. This fact is confirmed by simulations of hunting the ferrule of the figure 2 which show that there is no elastic deformation of the arms 6,7 following the driving of an axis.
  • the length and shape of the arms 6,7 which are defined by the recesses 23,24 located between the arms 6,7 and the ferrule, on the opposite side to the center B, are second order parameters.
  • the shape of the ferrule halves 21, 22 is important and is chosen so as to distribute the elastic stresses in the more balanced possible along the outline of the shell and on the two ferrule halves 21,22, while ensuring both sufficient elasticity to allow the driving of balance shafts whose diameter is within the tolerance range desired and a stress level which remains always significantly lower than the elastic limit of the material. This choice can be made, for example, following an optimization of the shape of ferrule halves 21,22 using a numerical simulation program implementing the finite element method, such as ANSYS.
  • the presence of the arms 6.7 makes it possible to bring the corresponding bearing point (s) closer to the center of the ferrule, and without thickening the ferrule halves 21, 22, so without the stiffen. This therefore makes it possible to optimize separately the placement of the support points and the elastic deformation properties of the shell (strain amplitude, stress distribution, etc.).
  • each arm 6.7 opposite the center B may also be straight.
  • each arm 6.7 is preferably provided with a bulge 10, 11 at its free end and on the side opposite the center B. This bulge makes it possible to further optimize the balancing by adding material but it does not serve as a fulcrum or abutment.
  • the bearing portions may be concave, that is to say that the radius of curvature of the bearing portions may be positive on the side of the central opening 2.
  • the central opening 2 is intended to receive a balance shaft which generally has a cross section circular. Depending on the shape of the central opening 2, there may be more or fewer points of contact 29 between the axis of the balance and the split ferrule.
  • the contour 3 of the central opening 2 may comprise a third bearing portion 12 facing the slot 1.
  • the tangent at the point 29 closest to the center B of the contour 3 the central opening 2 is substantially perpendicular to the straight line R (or slot 1). This point 29 is the point of contact provided with the balance shaft.
  • the support portion 12 is rectilinear, but it could be as convex or concave.
  • the axis of the balance comes into contact with the central opening 2 at three places 29: on each of the first and second parts of rectilinear support 4,5 of the arms 6.7 and on the third support portion 12, just opposite the slot 1, at the point of intersection with the line R.
  • the centers of the contours will move very slightly following the hunting of the axis of the balance.
  • the contour of the opening 2 comprises a fourth bearing portion 14 and a fifth bearing portion 15.
  • These bearing portions 14, 15 are symmetrical to one another with respect to the slot 1 and they meet at a point 16 preferably located opposite the slot 1.
  • This configuration provides four points of contact 29 between the axis of the balance and the central opening 2: two points of contact on the first and second support portions 4,5, which are convex in this example, and two other contact points on the fourth and fifth support portions 14,15, which are rectilinear in this example.
  • the bearing portions 4,5 have, on the side of the central opening 2, a negative radius of curvature while the bearing portions 14,15 have an infinite radius of curvature.
  • each ferrule half 21,22 has been maximized by defining recesses 25, 26 and arms 27,28 carrying the bearing portions 14,15.
  • the shape of ferrule halves 21, 22 is chosen to distribute the elastic stresses evenly along the outline of the ferrule.
  • FIG 5 On the figure 5 is shown a split ferrule with arms 6.7 and 27.28 bearing support portions 4.5 and 14,15 rectilinear, as on the figure 2 but whose contour 3 of the central opening 2 provides four points of contact with the axis of the balance.
  • FIG. 6 On the figure 6 is represented a split ferrule arm 6.7 and 27.28, but the contour 3 of the central opening 2 defines four points of contact with the periphery of the axis of the balance.
  • the bearing portions 4,5 and 14,15 are in this example all convex, that is to say that their radius of curvature on the side of the center B of the central opening 2 is negative.
  • the tangents at the points of contact provided between the parts 4,5 and the balance shaft and / or between the parts 14,15 and the balance shaft may form an angle between them greater than or equal to 60 degrees, or even obtuse, on the center side of the central opening 2.
  • the outline 19 of the ferrule according to the invention is generally substantially circular. "Significantly” means here that it is not 100% because of the existence of the slot 1 and, where appropriate, as can be seen on the figures 3 and 6 due to the presence, at a point situated near the point diametrically opposed to the slot 1, of a pin 17.
  • the latter is preferably situated upstream of the point of attachment or departure of the spiral spring (if the we refer to the unwinding direction of the spiral from the inside to the outside).
  • the contour 19 may also be non-circular or even asymmetrical. It could thus protect the turns in case of shock.
  • the split ferrule according to the invention is, by definition, intended to support a spiral spring. The beginning of it is visible on the figures 3 and 6 where it bears the reference number 18.
  • This spiral spring 18 is preferably connected to the ferrule at a point situated on the contour 19 thereof, substantially facing the slot 1. This makes it possible to minimize the movement of the spiral spring when the ferrule is mounted on an axis. balance and avoid affecting chronometric properties.
  • the example of figure 2 where one of the contact points 29 is located on or near the line R, facing the slot 1, is particularly favorable.
  • the spiral spring may be a part attached to the shell, but preferably it forms a single piece with it.
  • balancing holes 20 are provided in a part of the shell opposite the slot 1, if necessary, even in the lug 17, as can be seen in the variants shown in the drawings. Figures 7 to 10 .
  • the point A representing the longitudinal axis of symmetry of the beam, the center B of the contour 3 of the central opening 2 of the ferrule and the geometric center C of the contour 19 of the ferrule may be all three distinct.
  • the split ferrule according to the invention is dimensioned both to maintain the spiral spring 18 on the axis of the balance during operation of the oscillator (minimum torque) and also to be able to be assembled with axes whose diameters fluctuations and this, without breaking or undergo plastic deformation if the diameter of the axis of the balance remains within a tolerance range.
  • This point is particularly important if the shell is made of a material such as silicon which has no plastic deformation domain, because the risk of breakage or crack is significant if the stress exceeds the limit of elastic deformation.
  • the bearing portions 4,5 and / or 14,15 and / or 12 may be rectilinear ( Fig. 1.2 , 5 , 7.8 , 9.10 and 13 ), that is to say they may have an infinite radius of curvature, convex, that is to say with a negative radius of curvature on the side of the central opening 2 (see parts 4,5 of the Fig. 4 , Fig. 6 , Fig. 11 ), or concave ( Fig. 3 ), i.e. with a positive radius of curvature.
  • the radius of curvature positive is greater than 0.62 times the diameter d max of the largest circle that can be drawn within the outline of the central opening, which is also called “registered circle” in the following description .
  • This circle corresponds approximately to the circle 13 of center A visible on the figures 2 and 4 , with the difference that the inscribed circle has a diameter slightly smaller than that of the balance shaft.
  • a positive radius of curvature and greater than 0.62 times the diameter d max of the inscribed circle makes it possible to define a single point of contact between the support part and the balance shaft: in the case of the figure 3 a radius of curvature greater than 0.62 times the diameter d max of the inscribed circle results in a space of about 5 microns at the ends of the arms if the point of contact is placed in the center of the arms, which is adapted to define a single point-of-contact. Similarly a radius of curvature greater than the diameter d max of the inscribed circle results in a space of 10 microns at the ends of the arms. A radius of curvature greater than 0.75 times the diameter d max of the inscribed circle is also a suitable value.
  • the tangents at the bearing points 4,5 and / or 14,15 at the points of contact provided with the balance shaft form between them, on the center side B of the central opening 2, an angle preferably greater than or equal to 60 degrees. More preferably, it is an obtuse angle.
  • bearing portions 4,5 and / or 14,15 and / or 12 are configured so as to define each a precise contact point 29 with the axis of the balance.
  • the fact of being able to define the configuration and the number of the points of support makes it possible to balance as well as possible the forces which act on the axis of balance. This is not the case with a ferrule according to the prior art whose radius of the internal opening is substantially equal to or less than the radius of the axis of the balance, and whose support points are not defined.
  • the split ferrule according to the invention may be made of any suitable material, such as silicon, quartz, diamond, etc. It can be manufactured using well known micro-manufacturing techniques, such as DRIE processes for silicon, quartz or diamond or UV-Liga for Ni or NiP. These techniques have the advantage of making it possible to easily produce very complex shapes or geometries.
  • the shape of the slot 1 is not necessarily elongated.
  • the slot 1 has rounded ends.
  • the arms 6.7 carry convex support portions and the third bearing portion 12 is also convex.
  • FIG 13 On the figure 13 is represented a ferrule whose bearing points form an equilateral triangle and are arranged at 120 ° from one another, thus allowing a balance of forces at the clamping of the axis.
  • each support portion is provided to define a single point of contact with the balance shaft.
  • the bearing portions may have different radii of curvature between them. In addition, it is also possible to vary the radius of curvature along the same support portion.
  • each half ferrule 21,22 has the advantageous feature of being deformed elastically, that is to say without plastic deformation or risk of rupture.
  • the figure 12 is a graph showing the evolution of the holding torque M of the ferrule as a function of the diameter D of the axis of a beam, for split ferrules according to the invention and unslotted ferrules according to the prior art, namely the above-mentioned European patent application EP 2 112 565 .
  • the parts were all made of silicon according to the DRIE process.
  • the balance shafts used had a diameter of between 0.495 and 0.512 mm.
  • the desired tolerance range is in this case between 0.500 and 0.506 mm.
  • the diameter of the inscribed circle d max was 0.485 mm.
  • the holding torque is greater than the minimum required torque, even for small diameters below the minimum tolerance, and the diameter dependence is significantly lower (lower slope by a factor of three and six , respectively, to those of the ferrules of the prior art).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Rolling Contact Bearings (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Adornments (AREA)

Claims (13)

  1. Gespaltene Spiralrolle, dessen mittige Öffnung (2), die zur Aufnahme einer Unruhwelle vorgesehen ist, nicht kreisförmig ist, wobei die Unruhwelle einen kreisförmigen transversalen Querschnitt aufweist, dadurch gekennzeichnet, dass die Kontur (3) der mittigen Öffnung (2) eine Anzahl, die größer als zwei und begrenzt ist, an Auflagebereichen (4, 5, 12, 14, 15) aufweist, die dazu vorgesehen sind, mit der genannten Unruhwelle zusammenzuwirken, dass wenigstens zwei Auflagebereiche (4, 5 oder 14, 15) auf Armen (6, 7 oder 27, 28) liegen und dass die Arme symmetrisch in Bezug auf eine Gerade (R) angeordnet sind, die durch den Spalt (1) der Spiralrolle verläuft.
  2. Gespaltene Spiralrolle gemäß dem vorangehenden Anspruch, dadurch gekennzeichnet, dass sich die Arme nach dem Einpressen der Achse nicht deformieren.
  3. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Arme freie Enden aufweisen.
  4. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jeweils von jeder Seite des Spalts (1) der Spiralrolle ein Arm (6, 7) vom Rand dieses Spalts (1) ausgeht.
  5. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Kurvenradius der Auflagebereiche (4, 5, 12, 14, 15) von der Seite der mittigen Öffnung (2) aus negativ, unendlich oder größer als das 0,62-fache des Durchmessers dmax des größten Zirkels ist, den man im Inneren der Kontur (3) der mittigen Öffnung (2) ziehen kann.
  6. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass
    - der Kurvenradius der Auflagebereiche (4, 5, 12, 14, 15) von der Seite der mittigen Öffnung aus negativ ist, oder
    - größer als das 0,75-fache des Durchmessers dmax des größten Zirkels ist, den man im Inneren der mittigen Öffnung (2) ziehen kann, sogar größer als der Durchmesser dmax des größten Zirkels ist, den man im Inneren der mittigen Öffnung (2) ziehen kann.
  7. Gespaltene Spiralrolle gemäß Anspruch 6, umfassend wenigstens ein Paar Auflagebereiche (4, 5 oder 14, 15), die beiderseits der Geraden (R) angeordnet sind.
  8. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, umfassend drei oder vier Auflagebereiche (4, 5, 12, 14, 15).
  9. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, umfassend auf ihrer Kontur (19) an einem Punkt in der Nähe des Punktes diametral gegenüber des Spaltes (1) einen Sporn (17).
  10. Gespaltene Spiralrolle gemäß einem der vorangehenden Ansprüche, bestehend aus einem Material, welches frei von plastischer Verformung ist, insbesondere bestehend aus Silizium, Quarz oder Diamant.
  11. Einheit Spiralrolle-Spiralfeder (18) umfassend eine Spiralrolle gemäß einem der vorangehenden Ansprüche, sowie eine Spiralfeder (18), die in einem Punkt, der sich auf der Kontur (19) der Spiralrolle befindet, verbunden ist, wobei insbesondere im Hinblick auf den Spalt (1) die Spiralrolle und die Spiralfeder (18) in einem Stück gebildet sind.
  12. Einheit, umfassend:
    - eine Spiralrolle gemäß einem der Ansprüche 1 bis 10 oder eine Einheit gemäß Anspruch 11, und
    - eine Unruhwelle, insbesondere eine Unruhwelle, die einen kreisförmigen transversalen Querschnitt aufweist,
    wobei die Spiralrolle, insbesondere jede Hälfte der Spiralrolle elastisch deformiert ist, ohne plastische Deformation.
  13. Uhr, umfassend eine Einheit Spiralrolle-Spiralfeder gemäß Anspruch 11, aufgepresst auf eine Unruhwelle.
EP11716801.3A 2010-03-25 2011-03-24 Spiralrolle mit nichtkreisformiger öffnung Active EP2550566B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19206569.6A EP3623876A1 (de) 2010-03-25 2011-03-24 Spiralrolle mit nicht kreisförmiger öffnung
EP11716801.3A EP2550566B1 (de) 2010-03-25 2011-03-24 Spiralrolle mit nichtkreisformiger öffnung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10405061 2010-03-25
EP11716801.3A EP2550566B1 (de) 2010-03-25 2011-03-24 Spiralrolle mit nichtkreisformiger öffnung
PCT/CH2011/000061 WO2011116486A1 (fr) 2010-03-25 2011-03-24 Virole fendue à ouverture non circulaire

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP19206569.6A Division EP3623876A1 (de) 2010-03-25 2011-03-24 Spiralrolle mit nicht kreisförmiger öffnung

Publications (2)

Publication Number Publication Date
EP2550566A1 EP2550566A1 (de) 2013-01-30
EP2550566B1 true EP2550566B1 (de) 2019-11-06

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EP11716801.3A Active EP2550566B1 (de) 2010-03-25 2011-03-24 Spiralrolle mit nichtkreisformiger öffnung
EP19206569.6A Pending EP3623876A1 (de) 2010-03-25 2011-03-24 Spiralrolle mit nicht kreisförmiger öffnung

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US (1) US9250610B2 (de)
EP (2) EP2550566B1 (de)
JP (1) JP5753252B2 (de)
CN (1) CN102893224B (de)
WO (1) WO2011116486A1 (de)

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EP3023844B1 (de) * 2014-11-20 2017-06-28 Nivarox-FAR S.A. Flexible Spiralrolle
EP3106931A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit entkoppelter schweissoberfläche
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EP3106929A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit verbesserter schweissoberfläche
EP3106935A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren eines werstücks, das einen modifizierten polierschritt umfasst
EP3176650B1 (de) * 2015-12-02 2019-02-06 Nivarox-FAR S.A. Schutz einer uhrkomponente aus mikro-bearbeitbarem material
CH714000A1 (fr) * 2017-07-18 2019-01-31 Richemont Int Sa Ensemble horloger comprenant un composant horloger fixé sur un axe.
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CH713999B1 (fr) * 2017-07-18 2021-05-31 Richemont Int Sa Composant horloger destiné à être fixé sur un axe.
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Publication number Publication date
CN102893224A (zh) 2013-01-23
EP3623876A1 (de) 2020-03-18
US20130047437A1 (en) 2013-02-28
US9250610B2 (en) 2016-02-02
WO2011116486A1 (fr) 2011-09-29
JP2013524163A (ja) 2013-06-17
CN102893224B (zh) 2015-10-21
JP5753252B2 (ja) 2015-07-22
EP2550566A1 (de) 2013-01-30

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