EP3828643A1 - Zifferblatt für uhr - Google Patents

Zifferblatt für uhr Download PDF

Info

Publication number
EP3828643A1
EP3828643A1 EP20208563.5A EP20208563A EP3828643A1 EP 3828643 A1 EP3828643 A1 EP 3828643A1 EP 20208563 A EP20208563 A EP 20208563A EP 3828643 A1 EP3828643 A1 EP 3828643A1
Authority
EP
European Patent Office
Prior art keywords
dial plate
dial
connecting ring
timepiece
intended
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.)
Pending
Application number
EP20208563.5A
Other languages
English (en)
French (fr)
Inventor
Benjamin Bourg
Daniel Fiammingo
Grégoire Fluri
Laurent Mincone
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
Publication of EP3828643A1 publication Critical patent/EP3828643A1/de
Pending legal-status Critical Current

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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/14—Fastening the dials to the clock or watch plates
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/065—Dials with several parts

Definitions

  • the present invention relates to a dial plate, a link ring for such a dial plate, and a dial as such comprising the assembly of a dial plate and a link ring. It also relates to a timepiece incorporating such a dial, such as a wristwatch.
  • a dial for a timepiece is described by the document EP3339970 .
  • Such a dial comprises feet welded under a dial plate, intended for fixing the dial plate in a frame of a timepiece, for example by screws.
  • This solution has the drawback of requiring a material compatible with the welding to form the dial, while requiring tedious manufacturing and assembly operations, in particular welding of the feet and then screwing into a frame.
  • this solution is incompatible with certain timepieces for which the available volume is very limited and limits the passage of screws for fixing the dial, for example wristwatches equipped with multiple mechanical functions.
  • the existing solutions do not make it possible to achieve a satisfactory result and the general object of the invention is to provide a dial solution for a timepiece, which does not include the drawbacks of the state of the art. More precisely, the invention seeks to achieve all or part of the following objects.
  • a first object of the invention is to provide a dial solution suitable for any type of material, more particularly for a fragile material, such as ceramic.
  • a second object of the invention is to provide a dial solution making it possible to combine simple manufacture, user-friendly integration into a timepiece, compatible with all timepieces, including wristwatches comprising with a low volume available.
  • a third object of the invention is to provide a dial solution making it possible to achieve reliable and robust fixing of the dial on a blank or a frame of a timepiece.
  • the invention is based on a dial plate for a timepiece intended to be mounted on a connecting ring, having a first lower surface intended to be positioned on the side of the interior of a timepiece. and a second opposite upper surface intended to be visible, and comprising a third surface connecting the first and the second surface and forming a peripheral contour of the dial plate, characterized in that said third peripheral contour surface comprises a section passing through a plane perpendicular to the second surface including a first part extending from the first lower surface towards the second upper surface of the dial plate, in a direction not perpendicular to said first lower surface. This direction is advantageously oriented towards the outside of the dial plate.
  • the invention also relates to a connecting ring for such a dial plate, characterized in that it comprises a connecting portion having a connecting surface capable of elastic deformation, intended to cooperate by contact with the third contour surface. peripheral of a dial plate.
  • the invention also relates to a dial for a timepiece, characterized in that it comprises the assembly of a dial plate as described above with a connecting ring as described above.
  • the invention also relates to a timepiece as such, incorporating a dial as defined above.
  • This timepiece may be a wristwatch.
  • the invention is based on a dial 10 illustrated by figure 1 , obtained by the mechanical assembly of two distinct components, a dial plate 1 and a connecting ring 2.
  • the connecting ring 2 extends under the dial plate 1, in the peripheral part of the dial plate 1, and has the function of forming a removable fixing component of the dial 10 on a timepiece blank.
  • the horizontal direction by any direction in a plane parallel to a horizontal plane, in particular to the surface of the dial plate 1 which can be flat or substantially flat.
  • the vertical direction z is defined by convention as the direction which is perpendicular to a horizontal plane, oriented from the dial plate towards the side intended to be visible by a wearer of a watch incorporating the dial plate.
  • the horizontal direction will be defined from a plane substantially tangent to the upper surface of the dial plate and perpendicular to the vertical direction z.
  • the adjectives “upper” and “lower” will therefore make it possible to characterize elements respectively intended to be oriented in the vertical direction on the visible side of a timepiece and on the opposite side.
  • the upper surface of the dial plate will denote the surface visible to a wearer of a wristwatch, and the lower surface of the dial plate the invisible surface, facing inward of a watch, on the watch side. wrist of the wearer of the wristwatch.
  • dial is understood to mean any indicator member intended to be fixedly mounted within a watch case.
  • a counter of an indication derived from the time can be likened to a dial.
  • the dial plate 1 has the shape of a disc, comprising a small thickness (also called height because oriented in the vertical direction according to the chosen convention) between a first flat lower surface 12 intended to be oriented towards the inside of a watch and a second flat upper surface 13, opposite and parallel, intended to be visible.
  • This dial plate 1 has a vertical central axis A, passing through its center.
  • the first lower surface 12 and / or the second upper surface 13 may be non-planar, but for example curved. It may have a vertex in its center. It can be convex or concave.
  • the dial plate could have a non-circular shape, as will be mentioned later.
  • the figure 2 shows a sectional view of the dial plate 1 passing through a vertical median plane, that is to say a vertical plane comprising the axis A of the dial plate or more generally a vertical plane passing through the center of the plate dial 1.
  • This figure 2 makes it possible to represent more particularly a section of a third surface 11 of the dial plate 1, forming a peripheral contour surface of the dial plate 1.
  • This third surface 11 forms the connection between the first lower surface 12 and / or the second upper surface 13. It forms an assembly surface of the dial plate 1, as will be detailed below.
  • This section of the third surface 11 has the particularity of not being oriented in the vertical direction z. In other words, it is not perpendicular or substantially perpendicular to the dial plate 1, and more particularly to one or the other of the first and second surfaces 12, 13.
  • the first part 11a and the second part 11b of the third surface 11 are therefore inclined towards the outside of the dial plate 1, that is to say in a direction comprising a horizontal component which s 'moves away from the first and second surfaces 12, 13 of the dial plate 1.
  • the first part 11a of the section of the third surface 11 has an inclination of first angle a1 relative to the first surface 12 and / or relative to a horizontal plane.
  • This first angle a1 is advantageously between 50 ° and 70 °, or even between 60 ° and 70 °.
  • the second part 11b of the third surface 11 has an inclination of second angle a2 relative to the second upper surface 13 and / or relative to a horizontal plane.
  • This second angle a2 is advantageously between 60 ° and 80 °, or even between 65 ° and 75 °.
  • the first angle a1 is advantageously less than the second angle a2.
  • the third part 11c has an apex, that is to say a zone furthest from the second upper surface 13.
  • This vertex is substantially positioned in the middle of the thickness of the dial plate 1 or slightly below the horizontal median plane of the dial plate 1. This vertex consists of a point according to the embodiment.
  • the third connecting part 11c is a rounded portion, in particular with a radius of between 0.1 mm and 0.5 mm. It makes it possible to connect the two parts 11a and 11b to form a continuous curve. This rounded curve is advantageously without roughness.
  • the first part 11a and the second part 11b are inclined linear parts in the embodiment, but could alternatively have other shapes which are not necessarily linear.
  • the third surface 11 of peripheral contour extends over the entire perimeter of the dial plate 1. As an alternative, it could extend along one or more sectors around the perimeter of the dial plate 1.
  • the dial plate is a surface of revolution of axis A. All the sections obtained by a vertical median plane, that is to say a plane perpendicular to the second upper surface 13 comprising its axis and / or its center, advantageously comprise the same shape.
  • the dial plate preferably does not include any discontinuity on its peripheral contour, which has a horizontal section of well-defined geometry, for example circular, rectangular, polygonal, etc., and particularly without truncation.
  • the dial plate could not be circular, but for example polygonal, square, or rectangular. In any case, it is advantageous that all or almost all of the sections by a vertical midplane include the same shape.
  • the dial plate 1 may be based on ceramic, in particular a zirconia or an alumina, a fluorescent and / or phosphorescent ceramic, or a composite ceramic based on yttriated zirconia and Dy / Eu doped strontium aluminate. It can in particular be advantageously in “luminescent zirconia”, for example as described in the patent application. EP2730636 . As a variant, it can be based on a composite material. As a further variant, it may be based on a stone, in particular onyx, opal, turquoise or sapphire, or based on mother of pearl. By the expression “based on a certain material” we mean the fact that the dial plate comprises at least 50% by weight, or even at least 80% by weight, of said material.
  • the dial plate 1 can be coated with a layer of varnish, for example a varnish comprising a fluorescent and / or phosphorescent property, so as to modulate the day and night appearance of the dial plate.
  • the dial 10 may comprise a second solid plate comprising a fluorescent and / or phosphorescent property fixed under the first lower surface 12 of the dial plate 1.
  • the dial 10 further comprises a connecting ring 2, more particularly represented by the figures 3 and 7 , intended for assembly with the dial plate 1 described above.
  • This connecting ring 2 is intended to fulfill the function of assembling the dial 10 on a blank of a watch movement or a timepiece, as will be detailed below.
  • the connecting ring 2 is preferably made of metal or a metal alloy. It can be made of brass or steel, in particular Nivaflex®.
  • the connecting ring 2 comprises a connecting portion 21 in its upper part, having a connecting surface 210 intended to cooperate with the third surface 11 of peripheral contour of the dial plate 1.
  • the connecting portion 21 is therefore intended for fixing of the dial plate 1.
  • the connecting surface 210 has a frustoconical shape, and is capable of elastic deformation.
  • the connecting portion 21 could have another shape, capable of elastic deformation.
  • the connecting portion comprises at least one section passing through a vertical plane comprising an inclination with respect to the vertical direction, so that its upper end is offset. towards the dial plate 1 or towards the center of the connecting ring with respect to a direction which would be vertical.
  • this connecting portion 21 fulfills the function of maintaining a dial plate in its assembled position. At least part of its connecting surface 210 therefore remains in direct or indirect contact with the dial plate in its assembled position, to exert a holding force on this dial plate. Naturally, this retention is preferably reversible, and this connecting portion therefore participates in a removable retention of the dial plate.
  • the connecting portion is adapted to come to rest on the peripheral contour of a dial plate. By such a support, it is able to exert a force comprising at least one component oriented towards the center of the dial plate, particularly a radial component in the case of a circular dial plate.
  • the connecting portion 21 further comprises a horizontal or substantially horizontal support surface 211 intended to receive the support of a lateral part, or peripheral part, of the first lower surface 12 of the dial plate 1.
  • the connecting ring 2 further comprises a lower fixing portion, which extends under the connecting portion 21, and which is intended for fixing the connecting ring 2 to a blank of a timepiece, and therefore to fixing a dial within a timepiece.
  • this lower fixing portion has the form of a skirt 22 which extends substantially in a direction opposite to the connection surface 210, relative to the support surface 211.
  • the connection portion 21 and the lower fixing portion form portions arranged substantially in the vertical direction, which are distributed on both sides and the other of the horizontal or substantially horizontal support surface 211.
  • the skirt 22 of the embodiment extends in a vertical direction. It comprises at least one elastic element 220. Preferably, this elastic element 220 extends partially over the height h of the skirt 22.
  • the elastic element 220 is advantageously in the form of a blade embedded in the wall of the skirt. 22. It can, for example, be in the form of a blade embedded at both ends. Such a blade can extend in a substantially horizontal direction. It can be formed by at least one through slot 221, or cutout, extending in a horizontal plane, and formed in the wall of the skirt 22.
  • the skirt 22 comprises several elastic elements. According to the embodiment, the skirt 22 comprises three identical elastic elements 220, 220 ', 220 ". These three elements are advantageously distributed evenly around the periphery of the connecting ring 2.
  • the fixing portion of the connecting ring that is to say the skirt 22 in the embodiment, has a shape designed to cooperate with a blank of a timepiece, as will be detailed below. with reference to the figure 7 .
  • This blank therefore comprises the shape and the elements complementary to the fixing portion of the connecting ring to allow the implementation of the fixing function.
  • This attachment is removable. According to the embodiment, this fixing is done without tools. It is of the clipping or elastic interlocking type.
  • the figures 4 to 6 illustrate more precisely the assembly of a dial plate 1 with a connecting ring 2.
  • the assembly is carried out by driving or clipping, namely by elastic interlocking.
  • This assembly is therefore done without necessarily any tool. He ... not also does not require tedious operation such as welding or gluing. It can also be reversible, removable.
  • the figure 4 illustrates an approach phase of the dial plate 1 above the connecting portion 21 of the connecting ring 2.
  • the first part 11a of the section of the third surface 11 of the dial plate 1 bears on the upper end of the connecting surface 210 of the connecting ring 2.
  • the dimensions of the frustoconical connecting surface 210 are such that the downward pressure exerted on the dial plate 1 then induces a progressive elastic deformation of the portion connection 21 of the connection ring 2 with which the third surface 11 cooperates.
  • the third surface 11 of the dial plate 1 therefore cooperates with the connection surface 210 by contact.
  • the connecting portion 21, which is inclined on the side of the dial plate relative to a vertical direction in its rest position is therefore moved away in the direction of the vertical direction by the contact of its surface of connection 210 with dial plate 1.
  • the assembly movement is continued until the first lower surface 12 of the dial plate 1 abuts on the support surface 211 of the link ring 2, as shown in figure figure 5 .
  • the connecting surface 210 of the connecting ring 2 Due to the deformation of the connecting portion 21, this the latter exerts a holding force on the dial plate 1, which enables it to be held reliably and sturdily.
  • the connecting surface 210 of the connecting portion 21 of the connecting ring 2 has the advantageous feature of orienting the holding force downwards, that is to say of exerting a force which tends to press the first lower surface 12 of the dial plate 1 against the support surface 211 of the connecting ring 2.
  • this restoring force comprises at least one component oriented towards the center of the dial plate.
  • the stresses exerted by this holding force are concentrated on the portion 11c, which advantageously makes it possible to minimize the stresses within the material constituting the dial plate, while ensuring an adequate holding force of the dial plate. on the ring.
  • the contact area of the section of the third surface 11 is in fact reduced to a point, which is the previously mentioned vertex of the third part 11c.
  • the contact between the third surface 11 and the connecting surface 210 is a line or substantially line contact.
  • the figure 6 illustrates a phase of dissociation of the dial plate 1 from the connecting ring 2.
  • a pivoting of the dial plate 1 is performed, for example by levering a zone of the dial plate 1.
  • the line contact or substantially linearly mentioned above between the third surface 11 of the dial plate 1 and the connecting surface 210 of the connecting ring 2 makes it possible to promote this disassembly of the dial plate 1, by defining an advantageous pivot zone P of the plate dial 1 at its third part 11c of its third surface 11, which pivots against the connecting surface 210 of the connecting portion 21 of the connecting ring 2.
  • the latter deforms elastically during this operation.
  • the solution according to the embodiment also allows the disassembly of the dial plate 1 from the connecting ring 2, which is particularly advantageous in the context of a possible after-sales service operation, for example if it becomes necessary to replace the link ring 2 or the dial plate 1.
  • the dial plate 1 and the link ring 2 therefore always remain two distinct components, which can be assembled in a removable manner, depending on the embodiment.
  • the third surface 11 of the dial plate 1 is an outer peripheral surface of the dial plate 1.
  • the vertex of the third part 11c belongs to a circle centered on the axis A, whose radius R, visible on the figure 2 , defines the largest radius of dial plate 1.
  • the dial plate 1 has the advantage of being able to be made of a fragile material, in particular a material which does not exhibit plastic deformation under stress, as has been specified.
  • FIG. 7 illustrates more specifically a phase of fixing the dial 10, and more precisely the connecting ring 2, according to the embodiment on a blank 3 of a timepiece.
  • the dial 10 is in an approach phase above a blank.
  • This blank 3 comprises protuberances 31, projecting, shaped to cooperate with the elastic elements 220, 220 ', 220 "of the connecting ring 2.
  • each blade 220 is separated by a protuberance 31, by deforming elastically. Movement is continued until the first lower surface 12 of the dial plate 1 abuts on the blank 3.
  • the skirt 22 of the connecting ring 2 also comprises a surface 222 oriented vertically or substantially vertically, which is designed to come into abutment against a surface 33 of the blank 3 which is similarly oriented vertically or substantially vertically. .
  • the function of these elements is to ensure angular indexing of the dial on the blank.
  • the connecting ring 2 can directly cooperate with a middle part 4 or any component of a timepiece, so as to allow the angular positioning of the dial 10 within a timepiece.
  • the connecting ring 2 also has the advantage of allowing the assembly of the dial 10 on a timepiece movement, without requiring assembly screws or feet, for which spaces should be provided within said clockwork movement. It thus remains compatible with the integration of a dial within a watch movement which leaves little free space for the positioning of the dial.
  • the figure 8 illustrates the final positioning of a dial according to the embodiment of the invention within a timepiece.
  • the connecting ring 2 is fixed to a blank 3 of the watch movement 30, as has been described previously.
  • the first lower surface 12 of the dial plate 1 rests on the support surface 211 of the ring of the connection 2 on its peripheral part, and rests on an upper surface 32 of the blank 3 in the central part of its surface.
  • it could be positioned against any other stop designed to stop the vertical movement of the dial 10 towards the interior of the timepiece.
  • the connecting ring 2 comprises one or more specific surfaces designed to cooperate with a middle part 4 of a watch case 40 of the timepiece, to make it possible to delimit the axial range. of the dial 10, and in particular to attenuate the effect of any shocks.
  • the connecting ring 2 can comprise a horizontal surface 212 or substantially horizontal arranged at the level of the upper end of its connecting portion 21, which is positioned in abutment against a horizontal surface 410 or substantially horizontal of the middle part 4. As a note, this stop or support may voluntarily present a play.
  • the horizontal surface 212 of the connecting ring 2 is masked by a flange 41 of the middle part 4, the corresponding horizontal surface 410 of which is formed under the flange 41.
  • the connecting ring 2 comprises a vertical surface 213 or substantially vertical, which cooperates with a vertical surface 411 or substantially vertical of the middle part 4.
  • This cooperation between said two vertical surfaces 213, 411 allows the guiding the dial 10 in the watch case 40.
  • This cooperation is done by contact. It can include a game.
  • the assembly of the dial can thus be carried out directly between the dial 10 and the box 40, independently of the clockwork movement 30 comprising the blank 3 on which the dial 10 is mounted.
  • This solution is therefore particularly advantageous in the precision of assembly of a dial within a watch case, thus making it possible to reduce the chain of dimensions involved in the assembly.
  • the invention is not limited to the embodiment described and the dial according to the embodiment of the invention remains compatible for mounting in any timepiece, not necessarily according to the particular arrangement shown as a 'example on the figure 8 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP20208563.5A 2019-11-26 2020-11-19 Zifferblatt für uhr Pending EP3828643A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19211399 2019-11-26

Publications (1)

Publication Number Publication Date
EP3828643A1 true EP3828643A1 (de) 2021-06-02

Family

ID=68696278

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20767582.8A Pending EP4066068A1 (de) 2019-11-26 2020-09-10 Verbindungsring für ziffernblatt einer uhr, uhrziffernblatt und verfahren zur montage eines uhrziffernblatts
EP20208563.5A Pending EP3828643A1 (de) 2019-11-26 2020-11-19 Zifferblatt für uhr

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20767582.8A Pending EP4066068A1 (de) 2019-11-26 2020-09-10 Verbindungsring für ziffernblatt einer uhr, uhrziffernblatt und verfahren zur montage eines uhrziffernblatts

Country Status (5)

Country Link
US (2) US20230013124A1 (de)
EP (2) EP4066068A1 (de)
JP (2) JP2023503967A (de)
CN (2) CN114730157A (de)
WO (1) WO2021104698A1 (de)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5147262U (de) * 1974-10-04 1976-04-08
JPS5125149B1 (de) * 1970-12-10 1976-07-29
US5912064A (en) * 1995-04-07 1999-06-15 Citizen Watch Co., Ltd. Dial plate for solar battery powered watch
US6021099A (en) * 1994-10-21 2000-02-01 Citizen Watch Co., Ltd. Solar-cell watch dial and process for producing the same
JP2001194470A (ja) * 2000-01-13 2001-07-19 Citizen Watch Co Ltd 時計用表示板の固定構造
CH696987A5 (fr) 2003-12-03 2008-02-29 Asulab Sa Cadran émaillé avec pieds fixes et son procédé de fabrication
US20120236693A1 (en) * 2011-03-10 2012-09-20 Haruki Hiranuma Timepiece
EP2730636A1 (de) 2012-11-07 2014-05-14 Rolex S.A. Permanentes phosphoreszierendes Verbundmaterial
CH709401A2 (fr) * 2014-03-25 2015-09-30 Eta Sa Manufacture Horlogère Suisse Pièce d'horlogerie pourvue d'un cadran et méthode de fixation associée.
EP3339970A1 (de) 2016-12-21 2018-06-27 Rubattel et Weyermann S.A. Uhr-zifferblatt aus einer leichtmetall-legierung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US364109A (en) * 1886-09-06 1887-05-31 George e
US3545197A (en) * 1968-07-05 1970-12-08 Benrus Corp Watertight watch case with oval crystal
US6053631A (en) * 1992-11-19 2000-04-25 Createc Patent Holding S.A. Plastic case with a support body for an electronic device
TW538324B (en) * 2001-07-12 2003-06-21 Ebauchesfabrik Eta Ag Device for securing a dial in a watchcase
EP2031469A1 (de) * 2007-08-29 2009-03-04 Creations Horlogeres de Lully SA Uhr mit modulierbarer Anzeige
EP2743783B1 (de) * 2012-12-12 2022-03-30 Rolex S.A. Zusammenbau eines Zifferblatts und eines Rohlings einer Uhr
EP2899597B1 (de) * 2014-01-24 2016-06-22 The Swatch Group Management Services AG Vorrichtung zur Befestigung des Zifferblatts einer Uhr
WO2015144382A1 (fr) * 2014-03-25 2015-10-01 Eta Sa Manufacture Horlogère Suisse Piece d'horlogerie pourvue d'un cadran et methode de fixation associee
EP3771948A1 (de) * 2019-07-31 2021-02-03 Omega SA Zifferblatt für uhr

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5125149B1 (de) * 1970-12-10 1976-07-29
JPS5147262U (de) * 1974-10-04 1976-04-08
US6021099A (en) * 1994-10-21 2000-02-01 Citizen Watch Co., Ltd. Solar-cell watch dial and process for producing the same
US5912064A (en) * 1995-04-07 1999-06-15 Citizen Watch Co., Ltd. Dial plate for solar battery powered watch
JP2001194470A (ja) * 2000-01-13 2001-07-19 Citizen Watch Co Ltd 時計用表示板の固定構造
CH696987A5 (fr) 2003-12-03 2008-02-29 Asulab Sa Cadran émaillé avec pieds fixes et son procédé de fabrication
US20120236693A1 (en) * 2011-03-10 2012-09-20 Haruki Hiranuma Timepiece
EP2730636A1 (de) 2012-11-07 2014-05-14 Rolex S.A. Permanentes phosphoreszierendes Verbundmaterial
CH709401A2 (fr) * 2014-03-25 2015-09-30 Eta Sa Manufacture Horlogère Suisse Pièce d'horlogerie pourvue d'un cadran et méthode de fixation associée.
EP3339970A1 (de) 2016-12-21 2018-06-27 Rubattel et Weyermann S.A. Uhr-zifferblatt aus einer leichtmetall-legierung

Also Published As

Publication number Publication date
EP4066068A1 (de) 2022-10-05
JP2023503967A (ja) 2023-02-01
US20230013124A1 (en) 2023-01-19
US20210157273A1 (en) 2021-05-27
CN114730157A (zh) 2022-07-08
CN112947028A (zh) 2021-06-11
WO2021104698A1 (fr) 2021-06-03
JP2021099312A (ja) 2021-07-01

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