EP3584640A1 - Oszillator für uhr - Google Patents

Oszillator für uhr Download PDF

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Publication number
EP3584640A1
EP3584640A1 EP19183765.7A EP19183765A EP3584640A1 EP 3584640 A1 EP3584640 A1 EP 3584640A1 EP 19183765 A EP19183765 A EP 19183765A EP 3584640 A1 EP3584640 A1 EP 3584640A1
Authority
EP
European Patent Office
Prior art keywords
axis
guide
pivot
even less
oscillator
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
EP19183765.7A
Other languages
English (en)
French (fr)
Other versions
EP3584640B1 (de
Inventor
Vannina Linck
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
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Application filed by Rolex SA filed Critical Rolex SA
Priority to EP19183765.7A priority Critical patent/EP3584640B1/de
Priority to EP22216886.6A priority patent/EP4177677A1/de
Publication of EP3584640A1 publication Critical patent/EP3584640A1/de
Application granted granted Critical
Publication of EP3584640B1 publication Critical patent/EP3584640B1/de
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Classifications

    • G04B13/026—
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • G04B17/063—Balance construction
    • 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
    • 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
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/06—Manufacture or mounting processes

Definitions

  • the invention relates to an oscillator comprising a pendulum axis.
  • the invention also relates to a timepiece movement or a timepiece comprising such an oscillator.
  • the invention also relates to a timepiece axis, in particular a pendulum axis.
  • the pendulum axis is an essential component of the watchmaking regulating organ.
  • the pendulum axis includes at each end a tigeron extending by a pivot.
  • the pendulum axis carries in particular the spiral spring and oscillates on its pivots in bearings.
  • the tigerons and the pivots of the axis constituting zones of less mechanical resistance are provided to take up the forces in play.
  • the pivots can be subdued 'against their respective bearing because of their small dimensions, especially their small diameter.
  • the watch axes are traditionally turned in 20AP steel, then hardened.
  • the pivots are then rolled to obtain the required surface condition and surface hardness.
  • the hardness typically reaches at least 700HV.
  • This operation which consists of steps of polishing and surface hardening of the surface of the pivot, is complex and delicate, and requires a great deal of know-how which is strongly linked to the control of the process by a person skilled in the art who 'applied.
  • 20AP steel contains lead (0.2% by mass) and will soon have to be replaced by another lead-free steel such as FinemacTM (or 20C1A).
  • FinemacTM or 20C1A
  • the manufacture of these axes is identical: they are turned from bar before quenching, then heat treated and quenched to increase their hardness.
  • a stress-relief annealing makes it possible to release internal stresses and prevents these axes from breaking like glass during impacts.
  • the main defect of this steel is that it lacks hardness at the pivots and therefore also requires a rolling operation to achieve the required final properties.
  • These 20AP steel or Finemac axes are also ferromagnetic and can induce gait disturbances if the movements with which they are fitted are subjected to magnetic fields, by residual magnetization.
  • a surface treatment by nitriding or carburizing intended to form nitrides or chromium carbides would have the envisaged effect in terms of hardening of the surface, but would cause a loss of corrosion resistance detrimental to the quality of the components and of the product.
  • the patent application EP2757423 discloses a hardening solution of an austenitic steel or an austenitic cobalt alloy or an austenitic nickel alloy by means of a thermochemical treatment, aiming to integrate into the interstitial sites of the crystal lattice of the alloy of atoms carbon or nitrogen intended to reinforce the material before rolling the pivot, while limiting the risks of corrosion of the axle.
  • the hardnesses thus reached are close to 1000 HV, which theoretically positions this type of part at a better level than the 20AP steel parts.
  • An alternative described in the patent application EP2757424 and making it possible to dispense with rolling is to constitute all or part of the axis, but in all cases the pivot (s), of metallic material hardened by hard ceramic particles (composite with metallic matrix or MMC). It is a material partially composed of particles with a hardness greater than or equal to 1000 HV, with a size between 0.1 and 5 microns.
  • the materials given in example comprise 92% of the particles of tungsten carbide (WC) integrated into a nickel matrix, which are mixed before being injected into a mold in the shape of the axis. After injection, the blank thus obtained is sintered and the axis is polished, in particular at the level pivots, using a diamond paste.
  • a composite axis with a metal matrix with 92% WC and 8% nickel has a toughness of 8 MPa.m 1/2 and a hardness greater than 1300 HV.
  • the use of composites comprising particles which are liable to detach therefrom involves a risk.
  • the object of the invention is to provide a timepiece axis making it possible to remedy the drawbacks mentioned above and to improve the timepiece axes known from the prior art.
  • the invention proposes a hard and tenacious watchmaking axis and the manufacturing process of which is simplified.
  • an oscillator according to the invention is defined by claim 1.
  • a watch movement according to the first aspect of the invention is defined by claim 13.
  • a timepiece according to the first aspect of the invention is defined by claim 14.
  • the appended figures represent, by way of example, three embodiments of a timepiece axis according to the invention, different embodiments of systems according to the invention and an embodiment of a timepiece according to the invention.
  • the figure 1 is a view of a first embodiment of a timepiece according to the invention, comprising a first embodiment of an axis according to the invention.
  • the figure 2 is a view of a first variant of a first embodiment of an axis-guide assembly according to the invention.
  • the figure 3 is a view of a second variant of the first embodiment of the axis-guide assembly according to the invention.
  • the figure 4 is a view of a second embodiment of the axis-guide assembly according to the invention.
  • the figure 5 is a view of a second embodiment of the axis according to the invention.
  • the figure 6 is a graph of the quality factor variations of a balance-spring oscillator in different watch positions, the oscillator being fitted with a conventional shock-absorbing bearing.
  • the figure 7 is a graph of the quality factor variations of a balance-spring oscillator in different watch positions, the oscillator being fitted with a ball bearing.
  • the figure 8 is a view of a third embodiment of the axis according to the invention.
  • the figure 9 is a sectional view along the AA plane of the figure 8 of the third embodiment of the axis according to the invention.
  • the timepiece is for example a watch, in particular a wristwatch.
  • the timepiece comprises a timepiece movement 110, in particular a mechanical movement.
  • the watch movement includes an oscillator 100, in particular a balance oscillator 8 - balance spring.
  • the pendulum is for example driven on a pendulum axis 1.
  • axis 1 comprises a first pivot 21a, a first tigeron 22a, a portion 33 for receiving a plate 9, a plate 34 for receiving the balance 8, a portion 32 for receiving the balance 8, a portion 31 for receiving a hairspring shell (not shown), a second pivot 21b and a second tigeron 22b.
  • the tigeron part has a dimension greater than 0.1 mm, or even greater than 0.2 mm, or even greater than 0.25 mm in at least one direction, or even in all directions.
  • the pivot part has a dimension greater than 0.04 mm, or even greater than 0.05 mm, or even greater than 0.1 mm in at least one direction, or even in all directions.
  • the first part of tigeron comprises a longitudinal section of the tiger (or at least the external surface of a section of the tiger) over a length of at least 0.2 mm.
  • the first pivot part comprises a longitudinal section of the pivot (or at least the external surface of a section of the pivot) over a length of at least 0.1 mm.
  • the first and second pivots 21a, 21b provide a pivoting function and a force recovery function in the event of an impact or, more generally, in the event of acceleration experienced by the timepiece fitted with the axis.
  • the first and second tigerons 22a and 22b provide a force recovery function in the event of an impact or, more generally, in the event of acceleration suffered by the timepiece equipped with the axis.
  • the portions 31, 32 and 33 each provide a reception function.
  • the second functional portion has a second outside diameter D2 of less than 2 mm, or even less than 1 mm, or even less than 0.5 mm.
  • the second functional portion is made of ceramic.
  • the ratio of the dimension of the second diameter to the dimension of the first diameter is less than 0.9, or even less than 0.8, even less than 0.6, even less than 0.5, even less than 0.4.
  • first functional portion and / or the second functional portion is made of ceramic means that this functional portion is entirely made of ceramic.
  • the production of the functional portion in a material composed of ceramic grains linked together by a non-ceramic matrix, such as a metal matrix is excluded.
  • ceramic is meant a homogeneous or substantially homogeneous material, including at the microscopic level.
  • the ceramic is homogeneous in at least one direction, or even in all directions, over a distance greater than 6 ⁇ m, or even greater than 10 ⁇ m, or even greater than 20 ⁇ m. More preferably, the ceramic does not have any non-ceramic material in at least one direction, or even in all directions, over a distance greater than 6 ⁇ m, or even greater than 10 ⁇ m, or even greater than 20 ⁇ m.
  • zirconium oxide and / or alumina can be the predominant elements in ceramic.
  • the proportion by mass or by mole of zirconium oxide and / or of alumina can be less than 50%.
  • the ceramic may be predominantly or mainly (by mass or by mole) composed of silicon nitride.
  • silicon nitride can be the predominant element in ceramic.
  • the proportion by mass or by mole of silicon nitride may be less than 50%.
  • the ceramic can be one of the ceramics in the table below: Main component Secondary component (s) and proportions Commercial references / resulting composition Hardness [HV1] Breaking stress [MPa] Tenacity [MPa.m 1 ⁇ 2] ZrO 2 Y 2 O 3 3% mol TOSOH TZ3Y 1200-1400 900 - 1500 5 to 10 ZrO 2 MgO 3.5wt% Metoxit PSZ 1500 1500 10 ZrO 2 Al 2 O 3 20wt% TOSOH TZ3Y20A 1400-1600 1600-2000 5 to 8 Y 2 O 3 3% mol ZrO 2 Al 2 O 3 21.5wt% Panasonic NanoZr 1100-1300 900-1300 8 to 18 CeO 2 10.6wt% If 3 N 4 KYOCERA SN-235P 1200-1600 600-850 5 to 8.8 B 4 C TiB 2 5 to 6.9 TiB 2 CNT TiB 2 - TiC - CNT 3 to 5.2
  • the injection or pressing of a preform of which only the ends would be ground makes it possible to optimize the process, in particular by saving the manufacturing cycle time.
  • CIP cold isostatic pressing
  • the pivots are not marked during impacts and the performance is maintained over time.
  • these pivots will not deform, in contrast to the steel pivots which can bend and thereby adversely affect the chronometry of the timepiece.
  • ceramics as presented above make it possible to maintain the geometric integrity of the pivots over time.
  • Ceramics also offer the additional advantage of being non-magnetic, and of not influencing the progress of the timepiece when it is subjected to a magnetic field, in particular a magnetic field greater than 32 kA / m (400G) .
  • the entire axis is made of ceramic.
  • the ceramic part is possible to limit the ceramic part to the first functional portion which includes at least one pivot and / or at least one tigeron.
  • the first portion has a surface of revolution, in particular a cylindrical surface or a conical surface or a frustoconical surface or a surface with a curved generator.
  • the tigeron and the pivot can be confused or at least not be delimited by a frank border like a litter.
  • the tigeron and the pivot can be separated by a frustoconical surface or a surface with a curved generator.
  • Two variants of a first embodiment of an assembly 41 comprising an axis 1 as described above and at least one guide 51, in particular a bearing 51, the axis being intended to rotate or pivot in the at least one bearing, are represented respectively on the figures 2 and 3 .
  • the at least one bearing 51 comprises a pivot stone 511 intended to cooperate with a cylindrical or frustoconical section of a pivot 21 'and a counter stone 512 intended to cooperate with one end 212 'from the pivot.
  • the stones therefore cooperate with the pivot 21 'to pivot and receive, or delimit axially, the axis in the guide.
  • the axis 1 comprises a pivot 21 ′ having a curved or convex end 212 ′.
  • the axis 1 comprises a pivot 21 "having an end 212" hollowed out or concave.
  • a second embodiment of an assembly 42 comprising an axis 1 as described above and at least one guide, in particular a bearing 52, the axis being intended to rotate or pivot in the at least one guide, is shown in the figure 4 .
  • the at least one guide 52 comprises a raceway 521 and balls 522, the balls cooperating by contact on a pivot 21 * provided with a conical end 212 * to guide the axis in the guide.
  • the end pivot 21 * could alternatively have a frustoconical surface. The balls thus roll both on the raceway and on the pivot.
  • the figures 6 and 7 illustrate the advantages of a ball bearing intended to cooperate with an oscillator of the balance-spring type. Indeed, we see on the figures 6 and 7 , obtained respectively by measuring in different watch positions an oscillator cooperating with a conventional shock-absorbing bearing and by measuring in different watch positions an oscillator cooperating with a ball bearing, that the operation of the oscillator oscillator cooperating with a ball bearing quality factor between the different watch positions lower than those induced by the operation of the oscillator cooperating with a conventional damping bearing.
  • the use of ceramics for the manufacture of the balls and the pivot makes it possible to optimize the use of a ball bearing and to significantly reduce the differences in quality factor between the different watch positions occupied by the part. watchmaking.
  • a second embodiment of a timepiece axis 1 'according to the invention is described below with reference to the figure 5 .
  • This axis 1 ' is intended to be attached to a pivot axis 6, in particular a pivot axis made of a separate material, in particular a free-cutting steel.
  • the first functional portion may comprise a pivot 2a
  • the second functional portion may for example be in the form of a portion 35 intended to be fixed, in particular by driving or welding, within a bore 36 formed on the body of the pivot axis 6.
  • the invention has been described previously applied to a pendulum axis. However, this invention can obviously be applied to any other watch axis, for example a pivot axis of a watch mobile such as a mobile taking part in the finishing chain of a watch movement, in particular a center mobile, or a large average mobile, or a small average mobile, or a seconds mobile.
  • a pivot axis of a watch mobile such as a mobile taking part in the finishing chain of a watch movement, in particular a center mobile, or a large average mobile, or a small average mobile, or a seconds mobile.
  • a timepiece axis according to the invention can also be implemented in the context of an optimization of a timepiece escapement and thus allow the pivoting of an anchor wheel or of a blocker or of an anchor taking part in the exhaust.
  • this invention can be applied to any horological mobile taking part in an additional horological function, such as a calendar or a chronograph.
  • the first functional portion can provide a translational function.
  • the timepiece axis is here in the form of a pin 1 "comprising a first functional portion 2a which is in the form of a tigeron 22a.
  • the latter cooperates with a groove 53 formed within a timepiece component, for example a chronograph hammer 91, so as to guide said component in translation, in particular guide in translating said component in the longitudinal direction of said groove.
  • the pin 1 has a second functional portion which is in the form of a tigeron 45 intended to be driven into a bore 46 of a clockwork blank 81.
  • the first and second functional portions are delimited by a range 450, in particular a plate 450.
  • the ceramic parts do not require heat treatment or rolling to obtain high performance in terms of wear resistance.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Sliding-Contact Bearings (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Rolling Contact Bearings (AREA)
  • Electromechanical Clocks (AREA)
EP19183765.7A 2016-06-13 2016-06-13 Oszillator für uhr Active EP3584640B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19183765.7A EP3584640B1 (de) 2016-06-13 2016-06-13 Oszillator für uhr
EP22216886.6A EP4177677A1 (de) 2016-06-13 2016-06-13 Uhrachse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19183765.7A EP3584640B1 (de) 2016-06-13 2016-06-13 Oszillator für uhr
EP16174244.0A EP3258325B1 (de) 2016-06-13 2016-06-13 Uhrenwelle

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16174244.0A Division EP3258325B1 (de) 2016-06-13 2016-06-13 Uhrenwelle
EP16174244.0A Division-Into EP3258325B1 (de) 2016-06-13 2016-06-13 Uhrenwelle

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP22216886.6A Division EP4177677A1 (de) 2016-06-13 2016-06-13 Uhrachse

Publications (2)

Publication Number Publication Date
EP3584640A1 true EP3584640A1 (de) 2019-12-25
EP3584640B1 EP3584640B1 (de) 2023-01-11

Family

ID=56120978

Family Applications (3)

Application Number Title Priority Date Filing Date
EP16174244.0A Active EP3258325B1 (de) 2016-06-13 2016-06-13 Uhrenwelle
EP19183765.7A Active EP3584640B1 (de) 2016-06-13 2016-06-13 Oszillator für uhr
EP22216886.6A Pending EP4177677A1 (de) 2016-06-13 2016-06-13 Uhrachse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16174244.0A Active EP3258325B1 (de) 2016-06-13 2016-06-13 Uhrenwelle

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP22216886.6A Pending EP4177677A1 (de) 2016-06-13 2016-06-13 Uhrachse

Country Status (5)

Country Link
US (3) US20170357213A1 (de)
EP (3) EP3258325B1 (de)
JP (2) JP7214335B2 (de)
CN (2) CN107490950B (de)
CH (1) CH712552B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3258325B1 (de) * 2016-06-13 2019-10-30 Rolex Sa Uhrenwelle
EP3273304B1 (de) * 2016-07-19 2021-11-10 Nivarox-FAR S.A. Bauteil für uhrwerk
EP3594757B1 (de) 2018-07-10 2021-05-26 Blancpain SA Uhrwerkskomponente mit nicht magnetischem wellenteil aus keramik
JP7143675B2 (ja) * 2018-08-14 2022-09-29 セイコーエプソン株式会社 時計用部品、ムーブメントおよび時計
EP3627238A1 (de) 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
EP3671368B1 (de) * 2018-12-20 2022-11-23 The Swatch Group Research and Development Ltd Lager, insbesondere zur stossdämpfung, und drehteil eines uhrwerks
EP3722887A1 (de) 2019-04-12 2020-10-14 Rolex Sa Herstellungsverfahren einer rotationsfläche einer uhrwerkskomponente
EP3742236A1 (de) * 2019-05-23 2020-11-25 Rolex Sa Uhrvorrichtung, die eine erste komponente umfasst, die auf einer zweiten komponente durch plastische verformung fixiert ist
EP4399575A1 (de) 2021-09-09 2024-07-17 Rolex Sa Trägheitselement für ein uhrwerk
EP4242753A1 (de) 2022-03-11 2023-09-13 ETA SA Manufacture Horlogère Suisse Vorrichtung zum führen einer welle einer unruh mit spiralfeder
EP4242752A1 (de) 2022-03-11 2023-09-13 ETA SA Manufacture Horlogère Suisse Vorrichtung zum führen einer welle einer unruh mit spiralfeder
WO2024074517A1 (fr) 2022-10-03 2024-04-11 Rolex Sa Axe horloger
EP4386485A1 (de) 2022-12-16 2024-06-19 Rolex Sa Verfahren zur herstellung einer uhrenkomponente

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EP2735540A1 (de) * 2012-11-22 2014-05-28 Diamaze Microtechnology S.A. Zusammengesetztes mikromechanisches Bauteil mit Beschichtung, Verfahren zu dessen Herstellung sowie dessen Verwendung
EP2757423A1 (de) 2013-01-17 2014-07-23 Omega SA Bauteil für Uhrwerk
EP2757424A1 (de) 2013-01-17 2014-07-23 Omega SA Bauteil für Uhrwerk

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CN113110010A (zh) 2021-07-13
US20240295853A1 (en) 2024-09-05
US20170357213A1 (en) 2017-12-14
US20220373977A1 (en) 2022-11-24
EP4177677A1 (de) 2023-05-10
EP3258325B1 (de) 2019-10-30
EP3258325A1 (de) 2017-12-20
US11982977B2 (en) 2024-05-14
CH712552B1 (fr) 2021-12-15
CH712552A2 (fr) 2017-12-15
JP7214335B2 (ja) 2023-01-30
JP2018028529A (ja) 2018-02-22
CN107490950B (zh) 2021-05-07
CN107490950A (zh) 2017-12-19
EP3584640B1 (de) 2023-01-11
JP2023011848A (ja) 2023-01-24

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