EP2105808B1 - Zifferblatt für eine Uhr - Google Patents

Zifferblatt für eine Uhr Download PDF

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Publication number
EP2105808B1
EP2105808B1 EP20080005729 EP08005729A EP2105808B1 EP 2105808 B1 EP2105808 B1 EP 2105808B1 EP 20080005729 EP20080005729 EP 20080005729 EP 08005729 A EP08005729 A EP 08005729A EP 2105808 B1 EP2105808 B1 EP 2105808B1
Authority
EP
European Patent Office
Prior art keywords
dial
inscriptions
layer
layers
timepiece
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.)
Active
Application number
EP20080005729
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English (en)
French (fr)
Other versions
EP2105808A1 (de
Inventor
Christian Selmoni
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.)
Richemont International SA
Original Assignee
Richemont International 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.)
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Publication date
Application filed by Richemont International SA filed Critical Richemont International SA
Priority to EP20080005729 priority Critical patent/EP2105808B1/de
Priority to DE200860004989 priority patent/DE602008004989D1/de
Publication of EP2105808A1 publication Critical patent/EP2105808A1/de
Application granted granted Critical
Publication of EP2105808B1 publication Critical patent/EP2105808B1/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/065—Dials with several parts
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0015—Light-, colour-, line- or spot-effects caused by or on stationary parts

Definitions

  • the present invention relates to a dial for a timepiece such as a wristwatch.
  • a watch dial has a number of inscriptions. These inscriptions generally include at least indications or markers of the hours, in the form of a graduation, indexes, figures, etc. and the manufacturer's mark. Other inscriptions may be provided, such as minutes, seconds, date, power reserve, etc. All these inscriptions take place of course on the dial and it is not always easy to arrange them sufficiently readable given the available surface.
  • the present invention aims to provide a dial which may include an increased amount of inscriptions and which may include including additional inscriptions related to security, having a very high resolution, and / or producing an aesthetic effect.
  • a dial for a timepiece comprising first and second transparent layers made of different materials, characterized in that it comprises inscriptions provided on at least one surface of each of these layers.
  • first and second layers are made of different materials allows the use of different inscription techniques for these two layers, adapted to the respective materials, to promote the distinction, readability and accuracy of the inscriptions.
  • inscriptions are provided on both surfaces of at least one of the layers.
  • the inscriptions of at least one of the layers comprise indications permitting the reading of information in cooperation with at least one mobile indicator member of the timepiece.
  • indications are for example numbers, indexes or graduations.
  • the two layers include such indications, the latter may be close to each other in top view, or overlapping, because they are separated in height, which makes them distinguishable especially when viewed at an angle.
  • the inscriptions of at least one of the layers may comprise security information, in the form of, for example, at least one micro-text and / or at least one drawing.
  • This information may be visible or invisible.
  • invisible it is meant that this information can not be seen under normal lighting conditions but becomes visible under specific conditions, for example when illuminated by ultraviolet light.
  • the dial may comprise at least one transparent zone to make visible at least a part of a mechanism, such as the movement, of the timepiece. Particular optical effects can be produced, for aesthetic purposes, by varying the way in which the light transmitted through the dial interacts with decorated parts of the mechanism.
  • one of the first and second layers is made of a material that is more rigid than that of the other layer.
  • the inscriptions provided on the layer of a more rigid material may comprise inscriptions formed by metal deposition and / or etching.
  • the inscriptions provided on the other layer may comprise inscriptions formed by printing, for example by the technique of offset or intaglio, and therefore if desired in a higher resolution than those achievable with the processes. of inscription usable on the layer in a more rigid material.
  • the layer of a more rigid material is for example mineral glass or sapphire, preferably sapphire, and the other layer of polymer, preferably polypropylene.
  • the layers are typically attached to each other by means of a transparent adhesive.
  • the present invention also proposes a timepiece comprising a box and a dial as defined above, the dial being surrounded and held in the box by a seal.
  • the seal is constrained so that one of its ends is folded and folded against the dial to tighten the dial against a support part of the timepiece.
  • a dial 1 for a timepiece is formed of two layers 2, 3 assembled to each other.
  • the first layer 2, or upper layer is intended to be located on the side of the indicator needles of the timepiece. It comprises an upper face 4 and a lower face 5.
  • the second layer 3, or lower layer is intended to be located on the movement side of the timepiece. It comprises an upper face 6 and a lower face 7.
  • the layers 2, 3 are made of different respective materials but both transparent.
  • transparent is meant a material which allows the visible light to pass at least partially (preferably at a level of at least 50%).
  • the first layer. 2 is made of a rigid material. It is this layer 2 which gives rigidity and strength to the dial 1.
  • the second layer 3 is made of a flexible material.
  • the layers 2, 3 are assembled by means of a layer of transparent adhesive (not visible in the drawings), located between the lower face 5 of the first layer 2 and the upper face of the second layer 3 .
  • Each of the layers 2, 3 bears inscriptions on at least one of its faces 4, 5, respectively 6, 7.
  • the inscriptions on the first layer 2, made of rigid material, are typically made by metal deposition, for example by galvanic growth, or by etching, for example by laser etching.
  • the inscriptions on your second layer 3, of flexible material, they are typically made by printing, for example by the technique of offset or intaglio (intaglio).
  • the first layer 2 is made of mineral glass or sapphire, preferably sapphire because of the good mechanical strength and the scratch resistance of this material
  • the second layer 3 is in polymer, preferably polypropylene, more preferably bi-oriented polypropylene (BOPP).
  • the mineral glass, and even more the sapphire, lend themselves to metal deposition and etching techniques.
  • Polymers, in particular polypropylene, are well suited to printing techniques. The polymers are indeed generally sufficiently flexible to pass through rotary printing machines and generally have good adhesion for fixing the ink. Highly accurate printing techniques, currently used in the manufacture of bank notes and secure documents, can be used to record information, including security information, on the polymer layer 3.
  • At least one of the two faces 6, 7 of the polymer layer 3, intended to be printed can be coated with a coating; Since transparent polymers are generally less transparent than mineral glass or sapphire, the polymer layer 3 is preferably less thick than the mineral or sapphire glass layer 2, as shown. According to an exemplary embodiment, the first layer 2 has a thickness of 0.5 mm and the second layer 3 has a thickness of 0.1 mm. Conferring layer 3 a small thickness further increases its flexibility and thus facilitates the printing of surfaces 6, 7.
  • An example of a polymer film particularly suitable for forming layer 3 is Rayoart TM CGS film marketed by the company Innovia Films.
  • FIG. 2 to 5 An exemplary embodiment is illustrated in Figures 2 to 5 .
  • the second layer 3 consist solely of printing ink.
  • the upper face 6 of this layer 3 is smooth, as the lower face 5 of the first layer 2, which facilitates the bonding of the faces 5, 6 against each other.
  • the upper face 4 of the first layer 2 carries, in the example shown, inscriptions formed by laser etching, such as numbers 8. hours, indications 9, 10 calendars and days of the week, and indications 11 relating to the manufacturer's mark.
  • the depressions formed in the sapphire by the etching are preferably filled with ink, for example by means of a syringe, to make visible the indications 8 to 11, then the surface 4 is polished.
  • Other inscriptions, such as indications 12, are for example engraved but not filled with ink.
  • Other inscriptions, such as micro-texts 13 and a drawing 14, are made by metal deposition, for example by galvanic growth, with more or less relief.
  • the upper face 6 of the second layer 3 carries, in the example shown, a decoration 15, here formed by radial lines, a scale 16 intended to allow reading of information, here the power reserve, in cooperation with a movable indicator needle above the dial 1, and a geometrical figure or figure, such as a dot or disc 17, formed by invisible ink, that is to say typically ink which is visible only under ultraviolet.
  • the drawing 17 may be placed on the surface 6 in the same position as the drawing 14 on the surface 4 and the drawings 14, 17 may have the same dimension.
  • the inscriptions 15, 16, 17 are made for example by a printing technique of the offset or intaglio type, preferably intaglio.
  • the lower face 7 of the second layer 3 carries, in the example shown, a decor comprising a cross frame 18 and several groups of concentric circles 19.
  • a disc 20 without inscriptions is arranged to make visible a specific part of the movement.
  • the decoration 18, 19 is made for example by offset or intaglio, preferably intaglio.
  • the figure 5 shows the dial 1 in plan view formed of the two layers 2, 3 with the inscriptions illustrated in FIGS. Figures 2 to 4 .
  • the micro-texts 13 and the decorations 15, 18, 19, by their precision and fineness, constitute security information for authenticating the timepiece.
  • Invisible ink design 17 also constitutes such security information. Thanks to the different surfaces 4, 6, 7 which bear inscriptions, and which are separated only by transparent material, the dial 1 can comprise a large number of inscriptions, the distinction between the inscriptions of different surfaces being made by the effect of depth and by the different visual effects produced by the different registration techniques employed for layers 2 and 3.
  • the mineral glass or sapphire layer 2 and the polymer layer 3 could be reversed.
  • One or more other transparent layers could be added.
  • the dial 1 could be formed of two layers of mineral or sapphire glass sandwiching a polymer layer.
  • the box of the timepiece comprises a telescope 21 in which is fixed a mirror 22, a circle 23 receiving the movement, designated 24, a bottom 25 provided with an ice 26 and a middle part 27 surrounding the circle 23 and fixed between the bezel 21 and the bottom 25.
  • the circle 23 has an upper thread 28 and a thread lower 29 cooperating with respective threads of the telescope 21 and the bottom 25 to fix the circle 23 to the telescope 21 and the bottom 25.
  • the circle 23 has an annular upper face 30 and an annular flange 31 projecting from the periphery of the face 30 and whose outer face defines the thread 28.
  • the face 30 and the flange 31 define an annular housing surrounding the upper part of the movement. 24 and in which is placed a support ring 32.
  • the dial assembly 1 and support ring 32 is held axially (vertically) and laterally by an annular seal 33 with an L-shaped cross-section axially compressed between the upper face 30 of the circle 23 and a lower face 34 of a projection. inside the bezel 21 and laterally between the periphery of the dial assembly 1 and the support ring 32 and the flange 33.
  • the horizontal annular portion 35 of the gasket 33 defining the horizontal leg of the L-shaped section, is received in a clearance peripheral ring 36 formed in the lower face of the ring 32 and is thus held between the ring 32 and the circle 23, to position the gasket 33 axially.
  • the face 34 of the telescope 21 has an annular notch 37 which receives the upper annular end 38 of the seal 33, that is to say the end of the vertical branch of the L-shaped section.
  • the notch 37 is defined by two flat surfaces 39, 40 forming an angle between them (cf. figure 7 ).
  • the surface 39 exerts a pressure on the end 38 of the seal 33 during and after the mounting of the telescope 21 on the circle 23 to fold this end 38 towards the inside of the box and thus fold it against the upper face of the dial 1
  • This constrained state of the seal 33 is shown in FIG. figure 7 .
  • the seal 33 is represented not in its actual state, constrained, but in its rest state where the end 38 is right.
  • the surface 40 of the notch 37 constitutes a stop which maintains the end 38 of the joint 33 folded.
  • the dial assembly 1 and support ring 32 is thus clamped axially against the upper face 30 of the circle 23 by the gasket 33 itself compressed between the dial 1 and the telescope 21.
  • the dial assembly 1 and the support ring 32 is also clamped laterally against the inner face of the flange 31 via the seal 33, compressed between the assembly 1, 32 and the flange 31. In this way, a good hold of the dial 1 is ensured, without welding or screwing of it- this.
  • the seal 33 also plays the role of shock absorber, especially lateral, to protect the dial 1.
  • the seal 33 is made of an elastic material such as natural or synthetic rubber To angularly position the dial 1, a pin 41 driven in the circle 23 passes through the support ring 32 and cooperates with a corresponding bore 42 of the dial 1, as shown in FIG. figure 7 .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Claims (16)

  1. Zifferblatt für eine Uhr, das eine erste und eine zweite transparente Schicht (2, 3) umfasst, die aus unterschiedlichen Stoffen hergestellt sind, dadurch gekennzeichnet, dass es Beschriftungen umfasst, die auf mindestens einer Fläche (4, 6, 7) jeder dieser Schichten vorgesehen sind.
  2. Zifferblatt nach Anspruch 1, dadurch gekennzeichnet, dass die Beschriftungen auf den beiden Flächen (6, 7) von mindestens einer (3) der Schichten (2, 3) vorgesehen sind.
  3. Zifferblatt nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Beschriftungen von zumindest einer der Schichten (2, 3) Angaben (8, 9, 10, 16) umfassen, die im Zusammenwirken mit mindestens einem beweglichen Anzeigeorgan (1a) der Uhr ein Ablesen einer Information ermöglichen.
  4. Zifferblatt nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Beschriftungen jeder der Schichten (2, 3) Angaben (8, 9, 10, 16) umfassen, die im Zusammenwirken mit mindestens einem beweglichen Anzeigeorgan (1a) der Uhr das Ablesen einer Information ermöglichen.
  5. Zifferblatt nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Beschriftungen von zumindest einer der Schichten (2, 3) Sicherheitsinformationen (13, 15, 17, 18, 19) umfassen.
  6. Zifferblatt nach Anspruch 5, dadurch gekennzeichnet, dass die Sicherheitsinformationen mindestens einen Mikrotext (13) und/oder mindestens ein Muster (15, 17, 18, 19) umfassen.
  7. Zifferblatt nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass es mindestens einen transparenten Bereich (20) umfasst, um zumindest einen Abschnitt eines Mechanismus (24) der Uhr sichtbar zu machen.
  8. Zifferblatt nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass eine (2) der Schichten (2, 3) aus einem Stoff hergestellt ist, der starrer ist als derjenige der anderen Schicht (3).
  9. Zifferblatt nach Anspruch 8, dadurch gekennzeichnet, dass die Beschriftungen, die auf der Schicht (2) vorgesehen sind, die aus einem starreren Material ist, Beschriftungen umfassen, die durch Metallauftrag und/oder durch Gravur gebildet sind.
  10. Zifferblatt nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Beschriftungen, die auf der anderen Schicht (3) vorgesehen sind, Beschriftungen umfassen, die durch Druck gebildet sind.
  11. Zifferblatt nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass die Schicht (2) aus einem starreren Stoff aus mineralischem Glas oder aus Saphir besteht und die andere Schicht (3) aus Polymer besteht.
  12. Zifferblatt nach Anspruch 11, dadurch gekennzeichnet, dass die Schicht (2) aus einem starreren Stoff aus Saphir besteht.
  13. Zifferblatt nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass das Polymer Polypropylen ist.
  14. Zifferblatt nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Schichten (2, 3) mittels eines transparenten Klebstoffs aneinander befestigt sind.
  15. Uhr, die ein Gehäuse und ein Zifferblatt nach einem der Ansprüche 1 bis 14 umfasst, wobei das Zifferblatt (1) im Gehäuse (21 bis 23, 25 bis 27) von einer Dichtung (33) umgeben ist und darin gehalten wird.
  16. Uhr nach Anspruch 15, dadurch gekennzeichnet, dass die Dichtung (33) derart eingezwängt ist, dass eines ihrer Enden (38) gebogen und gegen das Zifferblatt (1) verstemmt ist, um das Zifferblatt (1) gegen ein Trägerteil (32, 33) der Uhr zu klemmen.
EP20080005729 2008-03-27 2008-03-27 Zifferblatt für eine Uhr Active EP2105808B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20080005729 EP2105808B1 (de) 2008-03-27 2008-03-27 Zifferblatt für eine Uhr
DE200860004989 DE602008004989D1 (de) 2008-03-27 2008-03-27 Zifferblatt für eine Uhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080005729 EP2105808B1 (de) 2008-03-27 2008-03-27 Zifferblatt für eine Uhr

Publications (2)

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EP2105808A1 EP2105808A1 (de) 2009-09-30
EP2105808B1 true EP2105808B1 (de) 2011-02-16

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EP20080005729 Active EP2105808B1 (de) 2008-03-27 2008-03-27 Zifferblatt für eine Uhr

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DE (1) DE602008004989D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH713871B1 (fr) * 2017-07-27 2019-11-15 Richemont Int Sa Composant horloger comprenant des éléments graphiques de divers aspects et procédé de fabrication d'un tel composant.
EP3456859A1 (de) * 2017-09-13 2019-03-20 Rolex Sa Schutzbeschichtung für ein komplexes uhrenbauteil
CN114237004B (zh) * 2021-12-22 2023-04-14 深圳市新隆达表业有限公司 一种表盘展示形态变换结构及具有该结构的手表

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07128458A (ja) 1993-10-29 1995-05-19 Seiko Corp 時計用文字板構造
JP5177729B2 (ja) * 2005-03-30 2013-04-10 シチズンホールディングス株式会社 計器類用表示板および計器類用表示板の製造方法
EP1893542B1 (de) * 2005-06-14 2017-08-02 The Swatch Group Research and Development Ltd. Technisches oder dekoratives teil mit einer kombination aus einem transparenten material und einem auf siliciumdioxid basierenden amorphen material und herstellungsverfahren dafür

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DE602008004989D1 (de) 2011-03-31
EP2105808A1 (de) 2009-09-30

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