EP2738625B1 - Uhrgehäuse umfassend einen Metallfaltenbalg - Google Patents

Uhrgehäuse umfassend einen Metallfaltenbalg Download PDF

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Publication number
EP2738625B1
EP2738625B1 EP14157083.8A EP14157083A EP2738625B1 EP 2738625 B1 EP2738625 B1 EP 2738625B1 EP 14157083 A EP14157083 A EP 14157083A EP 2738625 B1 EP2738625 B1 EP 2738625B1
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EP
European Patent Office
Prior art keywords
watch case
metal member
resilient metal
opening
wall
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
EP14157083.8A
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English (en)
French (fr)
Other versions
EP2738625A1 (de
Inventor
Raoul Behrend
Julien Cattaneo
Olivier Kuffer
Antonio Meleddu
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
Priority claimed from EP09405202A external-priority patent/EP2328044A1/de
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP14157083.8A priority Critical patent/EP2738625B1/de
Publication of EP2738625A1 publication Critical patent/EP2738625A1/de
Application granted granted Critical
Publication of EP2738625B1 publication Critical patent/EP2738625B1/de
Active 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
    • G04B37/00—Cases
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G04B37/05—Fixed mountings for pocket or wrist watches
    • G04B37/052—Fixed mountings for pocket or wrist watches with shock damping means not related to the winding stem
    • 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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/11—Hermetic sealing of openings, joints, passages or slits of the back cover of pocket or wrist watches
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/08—Housings

Definitions

  • the present invention relates to a watch case comprising a case whose at least one opening is closed by a telescope and / or an ice, or by a bottom, and in which at least one of the closing elements of the opening is connected at the middle part by an elastic metal member in the form of a ring or endless frame and of recessed straight section defined by the contour of a non-rectilinear wall of controlled thickness, the ends of which are integral with the periphery of said closure element, respectively of the middle part.
  • the documents CH630220 and CH686600 describe means for moving an ice at variable frequencies by means of an electromagnet or a piezoresistive element. There is mention of a thin annular ring which makes it possible to elastically suspend the ice. The mobility of the ice relative to the middle part is very limited both in the plane of the ice and in the plane perpendicular to the ice, and the watertightness is not guaranteed by the construction.
  • WO 2008027140 describes a mobile (tilting) bezel to activate different functions.
  • the mobility of this bezel is due to a piece of rubber or polyurethane, which however does not provide the seal and which we can doubt the reliability in the long term.
  • the document EP 0028429 describes a watch case comprising a case in which at least one opening is closed by a telescope and / or an ice-cream, or by a bottom, and in which at least one of the closing elements of the opening is connected to the middle part by a elastic metal member in the form of ring or endless frame and recessed straight section defined by the profile of a non-rectilinear wall whose ends are integral with the periphery of said closure element, respectively of the middle part.
  • the profile of said non-rectilinear wall forms at least one annular fold oriented perpendicular to the plane of said opening, this annular fold being generated by a curvature whose arc describes an angle of between> 90 ° and 180 °, to give said closure member (1, 11, 21, 18) a freedom of movement relative to the plane of the opening, adapted to a movement in a direction perpendicular to the opening.
  • the object of the present invention is to give a controlled freedom of movement in direction and amplitude to the closure element mounted on the caseband, bezel and / or ice or bottom, depending on the role that one wishes to give to this closure element.
  • the subject of the present invention is a watch case according to claim 1.
  • the profile of said wall comprises a plurality of alternating annular folds whose number is between 2 and 10.
  • the thickness e of said wall is constant and is between 10 .mu.m and 200 .mu.m, the width a of the annular fold is between 0.2mm and 4mm, the pitch p of the annular fold being between> 40 .mu.m and 2.5 mm, to give said closure member freedom of movement, stiffness and orientation controlled with respect to the plane of the opening.
  • the ends of the profile of said wall are sealingly connected to the periphery of said closure element, respectively of the middle part.
  • seals are mounted between the respective cylindrical ends of said wall adjacent to cylindrical seats of said closure member, respectively of said middle and compression rings or frames in view of to seal the box.
  • Metal bellows are elements formed of a thin metal wall, with a carefully chosen profile to provide flexibility, stiffness and strength to the assembly. There are several types of metal bellows: rolled, hydro-formed, chemically deposited, electro-formed, this list being non-exhaustive.
  • Electro-formed bellows are particularly interesting. Their manufacturing technique is more than 150 years old, but it is only in recent years that components with complex geometries of low thickness (of the order of ten microns) and well controlled have been obtained.
  • the challenge in thickness control is to play with deposition parameters (eg interelectrode distances, nature of electrodes, agitation and bath chemistry, etc.) so as to minimize variations in thickness due to variations. of current density along a geometry with strong changes of curvature.
  • the precise control of the geometry and the thickness makes it possible to develop bellows with adequate stiffness and able to give the closing element of the opening of the middle part a freedom of movement with respect to the plane of this opening.
  • the companies Servometer or Nicoform are examples of suppliers of miniature electro-shaped bellows. These bellows are described for example in the US 3'187'639 and US 5,932,360 .
  • the websites www.servometer.com or www.nicoform.com also give a lot of information about the technique and the materials
  • bellows can be assembled to other rigid parts to facilitate their integration. It must be ensured that the chosen methods of assembly and the materials used are adapted to the constraints that will to undergo the assembly without the associated function being pejorated.
  • the assemblies can be made by gluing, brazing or welding by electron or laser bombardment, or by a combination of at least two of these methods. If, for example, it is desired to guarantee a seal, the bonding or a solder with tin may prove to be insufficient. In addition, depending on the materials used, too high a temperature in the process can degrade their properties. If the stresses require good corrosion resistance, care must be taken to use suitable materials or pairs of materials.
  • the form of execution illustrated by the figure 1 relates to the attachment of a watch crystal 1 to close the upper opening of a middle part 2 of a watch case.
  • the watch glass 1 is connected to the middle part 2 by an elastic metal member 3 in the form of a ring of recessed straight section defined by the profile of a non-rectilinear wall of constant thickness, constituting a metal bellows whose ends 3a, 3b are integral with the periphery of the glass 1, respectively the middle 2.
  • An annular seal 4 surrounds the periphery of the ice and the end 3a of the metal bellows 3.
  • the other end 3b of the bellows 3 is fixed in the same way against a cylindrical portion of the middle part 2 by an annular seal 6 compressed by a titanium ring 7.
  • a bezel 8 is fixed on the middle part by a ring 9 fixed against a carried on the external lateral face of the titanium ring 7.
  • the ice 1 is held only by one end of the bellows 3, so that it is suspended elastically on the middle part 2.
  • This assembly can then act as a shock absorber; it may be able to switch to enable functions; or else serve as speaker, pressure sensitive system (balance, barometer, etc.), without this enumeration is limiting.
  • the figure 5 illustrates a bellows 23 incorporated between the middle part 24 and the glass 21, under the bezel 28, with a stamp or a gong 25 and a deflection element 26 of the patch or gong towards the ice 21 and a bearing element 29 against the ice 21.
  • the attachment of the ice with a flexible bellows makes it possible to transmit to the outside vibrations generated inside the box (or conversely), while preserving the tightness of the box.
  • the ice-shield assembly may advantageously be sized so that its natural frequency is at higher values that the frequency band of the transmitted signal (from 100 to 4000Hz for example); this one does not find it thus degraded nor modified (distortion).
  • the geometry of the bellows does not in any way harm the aesthetics of the room and can be integrated easily.
  • the thickness of the wall of the bellows is of the order of 50 microns, which guarantees a sufficient lateral robustness.
  • protections are nevertheless provided by the presence of vertical stops b1 and b2 or side b3 to prevent damage to the system during very strong external stresses.
  • FIG 6 Referring to a variant in which an annular bellows 33 is disposed between the bottom 40, to which it is fixed by welding, and the middle part 34. The other end of the bellows is clamped between two rings 35, 36 tightened against each other. the other by a ring 37 fixed to the middle part 34 by screws 38. A compression seal J seals the system.
  • the elastic metal member 3, 23, 33 in the form of a ring of recessed straight section defined by the profile of a non-rectilinear wall of constant thickness, constituting a bellows when it comprises at least two adjacent folds forming a meander ( figure 7 ).
  • Our goal is to be able to obtain a self-guided metal organ, ie not susceptible to flaming or deforming, integrable to a watch box and which has a stiffness adapted to the desired function.
  • stiffnesses are defined by k , their index gives the vertical direction v , horizontal h or tilting b .
  • n 0.5
  • guaranteeing the autoguiding of the system is equivalent to minimizing n and p for values of e and a linked to a stiffness defined by the physical function of the bellows.
  • Example 2 Max terminal Typical stiffness 50 N / mm 500 N / mm e 10 ⁇ m 35 ⁇ m 50 ⁇ m 200 ⁇ m at 0.1 mm 1 mm 0.8 mm 4 mm p > 80 ⁇ m 0.9 mm 0.8 mm 5 mm not 0.5 3 1 ⁇ 5

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Diaphragms And Bellows (AREA)
  • Gasket Seals (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Claims (12)

  1. Uhrengehäuse mit einem Mittelteil (2, 24, 34), bei dem wenigstens eine Öffnung durch eine Lünette (8, 18, 28) und/oder ein Glas (1, 11, 21) oder durch einen Boden (40) geschlossen ist und bei dem wenigstens eines von Verschlusselementen der Öffnung mit dem Mittelteil über ein als ein Ring oder als ein Endlosrahmen und mit einem geraden vertieften Querschnitt, der durch das Profil einer nichtgeraden Wandung gebildet ist, deren Enden (3a, 3b) mit dem Umfang des Verschlusselementes (1, 11, 21, 18) beziehungsweise mit dem Mittelteil (2, 24, 34) verbunden ist, ausgebildetes metallisches elastisches Organ (3, 23, 33) verbunden ist, bei dem das nichtgerade Profil der Wandung wenigstens eine ringartige Faltung bildet, die zu der Fläche der Öffnung parallel ausgerichtet ist, das metallische elastische Organ (3,23, 33) einen Balg ausbildet umfassend mindestens die ringartige Faltung, die durch eine Krümmung gebildet ist, deren Kreisbogen einen Winkel zwischen >90° und 180° beschreibt, um dem Verschlusselement (1, 11, 21, 18) eine Bewegungsfreiheit gegenüber der Fläche der Öffnung zu verleihen, geeignet, eine Bewegung senkrecht zur Öffnung auszuführen.
  2. Uhrengehäuse nach dem vorangehenden Anspruch, dadurch gekennzeichnet, dass es ein mobiles Glas/Lünette System umfasst und dass das metallische elastische Organ mindestens zwei aneinander angrenzende Faltungen umfasst, die eine bestimmte vertikale Steifigkeit aufweisen für eine vertikale Schwingungsweite im Millimeterbereich zur Aktivierung von Funktionen oder mit einer vertikalen Schwingungsweite im Zehntelmikrometerbereich zur Nutzung als Lautsprecher.
  3. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem das Profil der Wandung des metallischen elastischen Organs (3, 23, 33) eine Vielzahl von alternierenden, überlagerten ringartigen Faltungen aufweist, deren Zahl zwischen 2 und 10 liegt und die um Flächen herum ausgebildet sind, die jeweils parallel zu der Fläche der Öffnung liegen.
  4. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem die Dicke e der Wandung zwischen 10 µm und 200 µm, die Größe a der ringartigen Faltung zwischen 0,2 mm und 4 mm sowie der Abstand p der ringartigen Faltung zwischen >40 µm und 2,5 mm liegt, um mit dem Verschlusselement eine versteifte Bewegungsfreiheit und in Bezug auf die Fläche der Öffnung eine kontrollierte Ausrichtung zu verleihen.
  5. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem die Enden (3a, 3b) des Profils der Wandung des metallischen elastischen Organs (3, 23, 33) dicht mit der Umrandung des Verschlusselementes (1, 11, 21, 18) und ebenso mit dem Mittelteil (2, 24, 34) verbunden sind.
  6. Uhrengehäuse nach Anspruch 5, bei dem Dichtungen (4, 6) zwischen den jeweiligen zylinderartigen Enden (3a, 3b) der Wandung des metallischen elastischen Organs (3, 23, 33) benachbart von zylinderförmigen Sitzen des Verschlusselementes (1, 11, 21, 18) beziehungsweise des Mittelteils (2, 24, 34) und zwischen Druckringen oder -rahmen (5, 7) angeordnet sind, um die Dichtheit des Gehäuses zu gewährleisten.
  7. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem das metallische elastische Organ (3, 23, 33) wenigstens teilweise aus einem der folgenden Metalle oder Legierungen ist: Ni+Kobalt 99,8% mit 0,04% Schwefel, Ni mit nicht mehr als 0,02% Schwefel, Bronze, Kupfer, Gold, Silber oder Zinn.
  8. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem das metallische elastische Organ (3, 23, 33) mit Poly-p-xylylen beschichtet ist.
  9. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem das metallische elastische Organ (3, 23, 33) mit Zink, Gold, Silber und/oder Titan bedeckt ist.
  10. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem die Dicke der Wandung des metallischen elastischen Organs (3, 23, 33) konstant ist.
  11. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem die Enden (3a, 3b) des metallischen Organs durch Kleben, Hartlöten, Verschweißen, Elektronenbeschuss oder mittels Laser zusammengefügt sind.
  12. Uhrengehäuse nach einem der vorangehenden Ansprüche, bei dem vertikale und/oder seitliche Anschläge ausgebildet sind, um die Bewegung des Verschlusselements zu begrenzen.
EP14157083.8A 2009-03-19 2010-03-08 Uhrgehäuse umfassend einen Metallfaltenbalg Active EP2738625B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14157083.8A EP2738625B1 (de) 2009-03-19 2010-03-08 Uhrgehäuse umfassend einen Metallfaltenbalg

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP09405052 2009-03-19
EP09405202A EP2328044A1 (de) 2009-11-25 2009-11-25 Armbanduhrgehäuse
EP14157083.8A EP2738625B1 (de) 2009-03-19 2010-03-08 Uhrgehäuse umfassend einen Metallfaltenbalg
EP10709150.6A EP2409200B1 (de) 2009-03-19 2010-03-08 Armbanduhrgehäuse

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP10709150.6A Division-Into EP2409200B1 (de) 2009-03-19 2010-03-08 Armbanduhrgehäuse
EP10709150.6A Division EP2409200B1 (de) 2009-03-19 2010-03-08 Armbanduhrgehäuse

Publications (2)

Publication Number Publication Date
EP2738625A1 EP2738625A1 (de) 2014-06-04
EP2738625B1 true EP2738625B1 (de) 2015-08-12

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EP10709150.6A Active EP2409200B1 (de) 2009-03-19 2010-03-08 Armbanduhrgehäuse
EP14157083.8A Active EP2738625B1 (de) 2009-03-19 2010-03-08 Uhrgehäuse umfassend einen Metallfaltenbalg

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EP10709150.6A Active EP2409200B1 (de) 2009-03-19 2010-03-08 Armbanduhrgehäuse

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US (1) US8876371B2 (de)
EP (2) EP2409200B1 (de)
JP (1) JP5570584B2 (de)
CN (1) CN102356362B (de)
WO (1) WO2010105377A1 (de)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP3644132A1 (de) 2018-10-26 2020-04-29 Blancpain SA Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran

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EP2458456B1 (de) * 2010-11-25 2020-03-18 Rolex Sa Armbanduhr mit starrem Werkgestell, und Einsetzverfahren in das Werkgestell
EP2796942A1 (de) * 2013-04-23 2014-10-29 ETA SA Manufacture Horlogère Suisse Befestigungsmethode eines Uhrwerks in einem Gehäuse
JP6132162B2 (ja) * 2014-03-24 2017-05-24 カシオ計算機株式会社 計時装置および腕時計
EP3180074B1 (de) * 2014-08-11 2018-07-04 Medtronic, Inc. Mechanische durchführungen für implantierbare medizinische vorrichtung
EP3002639B1 (de) * 2014-10-01 2018-01-31 Montres Breguet SA Spieluhrlunette mit verbesserter akustischer Leistung
EP3009894B1 (de) * 2014-10-15 2017-11-29 Montres Breguet SA Anordnung mit Schallabstrahlungsmembranen für eine Armbanduhr mit Schlagwerk
EP3009895B1 (de) * 2014-10-15 2017-06-28 Montres Breguet SA Armbanduhr mit Spieluhr oder Schlagwerk, die mit einer Schallabstrahlungsanordnung ausgestattet ist
EP3032360A1 (de) * 2014-12-12 2016-06-15 The Swatch Group Research and Development Ltd. Uhr mit manipulierbarer lunette
EP3163380A1 (de) * 2015-10-27 2017-05-03 Blancpain SA. Armbanduhr mit verbesserter dichtigkeit
EP3220210B1 (de) * 2016-03-15 2020-05-06 Montres Breguet S.A. Uhr mit schlagwerk oder musik und resonanz-uhrglasfassung
CN108873678B (zh) * 2018-07-27 2023-12-26 歌尔科技有限公司 一种可穿戴设备及其外壳
EP3623878A1 (de) 2018-09-13 2020-03-18 Richemont International S.A. Schlagmechanismus mit auf uhrglas schlagendem hammer
EP3696618A1 (de) * 2019-02-14 2020-08-19 Montres Breguet S.A. Armbanduhr mit schlagwerk oder spieluhr mit anordnung zum leiten von schallwellen
CN113534645A (zh) * 2021-07-30 2021-10-22 深圳市新科盈数码有限公司 一种智能手表掉落防护装置
CH719480A2 (fr) * 2022-03-08 2023-09-15 Bulgari Horlogerie Sa Agencement pour la fixation d'une glace d'une pièce d'horlogerie.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3644132A1 (de) 2018-10-26 2020-04-29 Blancpain SA Armbanduhr mit schlagwerk oder musik, die mit mindestens einer schallabstrahlmembran ausgestattet ist, und herstellungsverfahren dieser membran
US11640142B2 (en) 2018-10-26 2023-05-02 Blancpain Sa Striking or musical watch provided with at least one acoustic radiating membrane and method for manufacturing the membrane

Also Published As

Publication number Publication date
CN102356362A (zh) 2012-02-15
EP2409200B1 (de) 2014-04-23
WO2010105377A1 (fr) 2010-09-23
CN102356362B (zh) 2014-07-16
JP2012520988A (ja) 2012-09-10
EP2409200A1 (de) 2012-01-25
US20120002513A1 (en) 2012-01-05
EP2738625A1 (de) 2014-06-04
JP5570584B2 (ja) 2014-08-13
US8876371B2 (en) 2014-11-04

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