EP4071557B1 - Gehäuseelement für uhr, das einen drücker aus massivem metallischem glas umfasst - Google Patents

Gehäuseelement für uhr, das einen drücker aus massivem metallischem glas umfasst Download PDF

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Publication number
EP4071557B1
EP4071557B1 EP22160375.6A EP22160375A EP4071557B1 EP 4071557 B1 EP4071557 B1 EP 4071557B1 EP 22160375 A EP22160375 A EP 22160375A EP 4071557 B1 EP4071557 B1 EP 4071557B1
Authority
EP
European Patent Office
Prior art keywords
case element
connection
pushbutton
wall
timepiece
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Active
Application number
EP22160375.6A
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English (en)
French (fr)
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EP4071557A1 (de
Inventor
Thibaut Le Loarer
Sandra GUADALUPE MALDONADO
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.)
Manufacture dHorlogerie Audemars Piguet SA
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Manufacture dHorlogerie Audemars Piguet SA
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Publication of EP4071557A1 publication Critical patent/EP4071557A1/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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/106—Hermetic sealing of openings, joints, passages or slits of winding stems of push buttons
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • 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
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases

Definitions

  • the present invention relates to a case element for a timepiece comprising an internal wall and an external wall and having a through hole extending between the internal and external walls, the watch case element carrying a pusher comprising a tube at the less partially housed inside the through hole and closed by an actuation surface at its end oriented towards the exterior of the box element, the actuation surface being intended to be pressed by a user to actuate a watch mechanism capable of being arranged inside the box element.
  • the box element according to the present invention is a middle part for a timepiece.
  • the present invention also relates to a timepiece comprising such a box element, as well as a method of manufacturing a box element according to the invention.
  • timepieces on the market have a minimum level of waterproofing allowing them to withstand splashes of water or even, for some of them, allowing them to be submerged to great depths.
  • the cases of these timepieces must be made watertight, in particular in the sensitive areas which constitute the passages for the external control members such as the crowns and the control pushers.
  • a main tube which is made integral with the corresponding box element in a watertight manner, in particular by welding, brazing or bonding.
  • the control member is then assembled with a tube additional or a control rod housed inside the main tube.
  • several seals, O-ring or lip are arranged between the main tube and the additional tube and/or the control rod to ensure the sealing of the interior of the main tube. This gives rise not only to complex assemblies but to constraints due to essential periodic maintenance, in particular the periodic replacement of joints which lose their elastic properties and dry out over time.
  • patent application US 2020/0125034 A1 illustrates and describes an alternative method of producing a middle part comprising pushers made in one piece with the middle part.
  • this application proposes to carry out a molding of metallic glass to form the whole in a single piece, by providing variable thicknesses depending on the regions of the molded product, in particular to define deformable portions at the level of the pushers.
  • a main aim of the present invention is to propose a box element for a timepiece presenting an alternative construction to the box elements known in the state of the art, as well as a corresponding manufacturing process, allowing in particular the production of boxes for timepieces made of a wide variety of materials, while offering perfect sealing.
  • the permanent waterproof connection is made by direct contact between the connection surface of the pusher and the connection region of the box element, without the interposition of a seal.
  • the pusher tube extends to the internal wall of the box element and carries a base at its end located inside the box element, the base carrying the connection surface and being shaped in such a way that the connection surface is applied against the internal wall of the box element all around the through hole to define the permanent waterproof connection.
  • the connecting surface of the pusher it is possible for the connecting surface of the pusher to be welded, glued or brazed to the connecting region of the box element.
  • the part of the actuation surface capable of moving with reference to the connecting surface is integral with a rod extending in the direction of the interior of the box element and intended to actuate the watch mechanism in response to user pressure on the actuation surface.
  • the pusher it is advantageous for the pusher to be arranged in such a way that the part of the actuation surface is capable of moving over a distance of between 0.1 and 1 mm, preferably between 0.2 and 0. 5 mm, with reference to the box element, in response to a pressure force applied to it of between 2 and 10 N, preferably between 3 and 5 N.
  • connection region of the box element is made of solid metallic glass or of a metal taken from the group comprising gold or gold alloys, steels, titanium, platinum, palladium, tantalum, bronzes.
  • the pusher it is preferable for the pusher to be made of a solid metallic glass taken from the group comprising solid metallic glasses of palladium, zirconium, copper, magnesium and platinum.
  • the box element according to the invention is a middle part or a middle case back.
  • the present invention also relates to a timepiece comprising a box element meeting the characteristics which have just been explained, as well as a corresponding manufacturing process.
  • the pusher is made in such a way that the tube extends to the internal wall of the box element and carries a base at its end located inside the box element. box, the base carrying the connection surface and being shaped in such a way that the connection surface is applied against the internal wall of the box element, all around the through hole, to define the permanent waterproof connection.
  • the pusher is manufactured simultaneously with other similar or identical pushers, manufactured in the form of a batch of pushers secured to each other via their base, the pushers then being individualized by implementing at least one cutting operation aimed at separating the bases from each other.
  • the part of the actuation surface capable of moving with reference to the connection surface is made so as to be integral with a rod extending towards the interior of the box element and intended to actuate the watch mechanism in response to pressure from the user on the actuation surface.
  • THE figures 1a, 1b and 1c represent simplified schematic views, respectively front, side and front, illustrating general steps of manufacturing a pusher intended to be assembled to a base box element to manufacture a box element with pusher according to the present invention.
  • the following indications relating to these stages of manufacturing the pusher are provided by way of non-limiting illustrative example, and those skilled in the art will be able to implement manufacturing stages different from those described to produce a pusher capable of being assembled to a base box element in accordance with the present invention, without departing from the scope of the latter as defined in the appended claims.
  • the pusher 1 is made by molding a solid metallic glass, and comprises a tube 2 closed by an actuation surface 4 at one of its ends and carrying a connecting surface 6 intended to ensure the subsequent connection between the pusher 1 and a box element (numeric reference 8 on the figure 2 ).
  • the tube 2 can have any type of shape adapted to the implementation of the present invention, in particular a circular, oval, oblong, square or rectangular section.
  • the pusher is shaped in such a way that at least part of its actuation surface 4 is capable of moving, in response to pressure from the user on it, with reference to the connecting surface 6.
  • the pusher 1 is made in such a way that its tube 2 carries a base at its end intended to be located inside the box element from which the pusher 1 is intended to be made integral, the base carrying the connecting surface 6.
  • the pusher 1 is manufactured simultaneously with other similar or identical pushers, manufactured in the form of a batch of integral pushers. from each other via their base, as illustrated on the figures 1a and 1b .
  • the pushers are then individualized by the implementation of at least one cutting operation aimed at separating the bases from each other, so as to obtain a plurality of pushers 1 as illustrated in the figure 1c .
  • the pusher 1 is advantageous for the pusher 1 to be made of a solid metallic glass taken from the group comprising solid metallic glasses of palladium, zirconium, copper, magnesium and platinum.
  • FIG. 2 illustrates how the pusher 1 can be assembled to a box element 8 according to a preferred embodiment of the present invention.
  • the box element 8 typically comprises an internal wall 10 and an external wall 12 and has a through hole 14 extending between the internal 10 and external walls 12.
  • the tube 2 of the pusher 1 is then at least partially housed at the interior of the through hole 14 having its actuation surface 4 located towards the exterior of the box element 8.
  • the tube 2 extends substantially as far as the internal wall 10 of the box element 8, the base thus being located inside the box element 8 and being shaped in such a way that the connecting surface 6 is applied against the internal wall 10 of the box element 8 all around the through hole 14 to define the permanent waterproof connection.
  • a recess 16 is made in the internal wall 10, around the through hole 14, in such a way that the base is finally positioned substantially flush with the internal wall 10.
  • the permanent waterproof connection is preferably made by direct contact between the connection surface 6 of the pusher 1 and said connection region of the box element 8, without the interposition of a seal.
  • connection surface 6 of the pusher 1 is preferably welded, glued or brazed to the connection region of the box element 8.
  • connection region of the box element 8, or even the entirety of the box element 8 is made of a solid metallic glass or of a metal taken from the group comprising gold or gold alloys, steels, titanium, platinum, palladium, tantalum, bronzes.
  • the actuation surface 4 of the pusher 1 has a section of reduced thickness relative to the rest of the pusher 1, thus giving it an ability to deform elastically to actuate a watch mechanism located inside the element of box 8.
  • the actuation surface could be delimited by a portion of reduced thickness (in particular circular, oblong, square or rectangular) while itself having a thickness substantially identical to the average thickness of the rest of the pusher without however, going beyond the scope of the invention.
  • the part of the actuation surface 4 capable of moving with reference to the connecting surface 6 is integral with a rod (not shown), or made in one piece with it, extending towards the interior of the box element 8 and intended to actuate a watch mechanism in response to pressure from the user on the actuation surface 4.
  • the pusher 1 can be arranged in such a way that the movable part of its actuating surface 4 is capable of moving over a distance of between 0.1 and 1 mm, preferably between 0.1 and 1 mm. .2 and 0.5 mm, with reference to the box element 8, in response to a pressure force applied to it of between 2 and 10 N, preferably between 3 and 5 N.
  • the Applicant notably carried out its tests using solid metallic glasses of palladium, zirconium (BMG-AMZ4) and copper (BMG-AMC4) available from Heraeus Group ( https://www.heraeus.com/en/group/ products _ and_solutions_group/amorp hous_metals/about_amorphous_metals/about_amorphous_metals.html ).
  • the implementation of the present invention is not limited to the exact geometry of the different components involved as it has been illustrated and described. Indeed, those skilled in the art will not encounter any particular difficulty in adapting the present teaching to the implementation of a box element meeting the characteristics of the present invention, carrying one or more pushers according to its own needs, the shape of the pushers can be defined relatively freely as long as they are able to fulfill their function.
  • the actuating surface of the pusher can either be arranged so as to protrude from the external wall of the box element either outwards or inwards, or it can also be positioned flush with the external wall.
  • the pusher can fulfill the function of a conventional pusher, such as for example a chronograph pusher, or even the function of a corrector intended to correct functions of the corresponding timepiece.
  • a base is preferred, to the extent that the connection with the resulting box element is more stable and robust, it is possible to directly attach the tube to the wall of the hole passing through the box element without departing from the scope of the invention as defined by the appended claims.
  • the box element according to the invention can advantageously be a middle part or a middle case back for a timepiece, by way of non-limiting examples.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)

Claims (18)

  1. Gehäuseelement (8) für ein Zeitmessgerät, das eine Innenwand (10) und eine Außenwand (12) umfasst und ein Durchgangsloch (14) aufweist, das sich zwischen der Innenwand (10) und der Außenwand (12) erstreckt, wobei das Gehäuseelement (8) einen Drücker (1) aufweist, der ein Rohr (2) umfasst, das zumindest teilweise im Inneren des Durchgangsloch (14) untergebracht und an seinem zur Außenseite des Gehäuseelements (8) gerichteten Ende durch eine Betätigungsfläche (4) verschlossen ist, wobei die Betätigungsfläche (4) dazu bestimmt ist, von einem Benutzer gedrückt zu werden, um einen Uhrmechanismus zu betätigen, der im Inneren des Gehäuseelements (8) angeordnet sein kann,
    wobei der Drücker (1) einstückig aus einem massiven metallischen Glas ausgeführt ist und ferner eine Verbindungsfläche (6) umfasst, die gegen einen Verbindungsbereich des Gehäuseelements (8) angeordnet ist, um eine dauerhafte dichte Verbindung mit diesem aufzuweisen, und
    wobei der Drücker (1) so geformt ist, dass sich zumindest ein Teil der Betätigungsfläche (4) als Reaktion auf einen Druck des Benutzers auf selbige in Bezug auf die Verbindungsfläche (6) bewegen kann.
  2. Gehäuseelement (8) nach Anspruch 1, dadurch gekennzeichnet, dass die dauerhafte dichte Verbindung durch direkten Kontakt zwischen der Verbindungsfläche (6) des Drückers (1) und dem Verbindungsbereich des Gehäuseelements (8) ohne eine dazwischenliegende Dichtung hergestellt wird.
  3. Gehäuseelement (8) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich das Rohr (2) des Drückers (1) bis zur Innenwand (10) des Gehäuseelements (8) erstreckt und an seinem im Inneren des Gehäuseelements (8) befindlichen Ende einen Ansatz trägt, wobei der Ansatz die Verbindungsfläche (6) trägt und so geformt ist, dass die Verbindungsfläche (6) um das gesamte Durchgangsloch (14) herum gegen die Innenwand (10) des Gehäuseelements (8) anliegt, um die dauerhafte dichte Verbindung zu definieren.
  4. Gehäuseelement (8) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsfläche (6) des Drückers (1) mit dem Verbindungsbereich des Gehäuseelements (8) verschweißt, verklebt oder verlötet ist.
  5. Gehäuseelement (8) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Teil der Betätigungsfläche (4), der sich in Bezug auf die Verbindungsfläche (6) bewegen kann, fest mit einer Stange verbunden ist, die sich in Richtung des Inneren des Gehäuseelements (8) erstreckt und dazu bestimmt ist, als Reaktion auf einen Druck des Benutzers auf die Betätigungsfläche (4) den Uhrmechanismus zu betätigen.
  6. Gehäuseelement (8) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Drücker (1) so angeordnet ist, dass sich der Teil der Betätigungsfläche (4) als Reaktion auf eine darauf ausgeübte Druckkraft zwischen 2 und 10 N, vorzugsweise zwischen 3 und 5 N, entlang eines Wegs zwischen 0,1 und 1 mm, vorzugsweise zwischen 0,2 und 0,5 mm, in Bezug auf das Gehäuseelement (8) bewegen kann.
  7. Gehäuseelement (8) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest der Verbindungsbereich des Gehäuseelements (8) aus einem massiven metallischen Glas oder aus einem Metall aus der Gruppe, die Gold oder Goldlegierungen, Stähle, Titan, Platin, Palladium, Tantal und Bronzen umfasst, hergestellt ist.
  8. Gehäuseelement (8) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Drücker (1) aus einem massiven metallischen Glas aus der Gruppe, die massive metallische Gläser aus Palladium, Zirkonium, Kupfer, Magnesium und Platin umfasst, hergestellt ist.
  9. Gehäuseelement (8) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass es einen Mittelteil für ein Zeitmessgerät bildet.
  10. Zeitmessgerät, umfassend ein Gehäuseelement (8) nach einem der vorangehenden Ansprüche.
  11. Verfahren zur Herstellung eines Gehäuseelements (8) für ein Zeitmessgerät, umfassend einen Drücker (1) mit einer Betätigungsfläche (4) an seinem zur Außenseite des Gehäuseelements (8) gerichteten Ende, die dazu bestimmt ist, von einem Benutzer gedrückt zu werden, um einen Uhrmechanismus zu betätigen, der im Inneren des Gehäuseelements (8) angeordnet sein kann, wobei die mechanische Verbindung zwischen dem Gehäuseelement (8) und dem Drücker (1) dicht ist,
    wobei das Verfahren die in Folgendem bestehenden Schritte umfasst:
    - Bereitstellen eines Gehäuseelements (8), das eine Innenwand (10) und eine Außenwand (12) umfasst und ein Durchgangsloch (14) aufweist, das sich zwischen der Innenwand (10) und der Außenwand (12) erstreckt,
    - Ausführen eines einstückigen Drückers (1) aus einem massiven metallischen Glas, der ein Rohr (2) umfasst, das an einem seiner Enden durch die Betätigungsfläche (4) verschlossen ist und eine Verbindungsfläche (6) trägt, die dazu bestimmt ist, die Verbindung zwischen dem Drücker (1) und dem Gehäuseelement (8) zu gewährleisten, wobei der Drücker (1) so geformt ist, dass sich zumindest ein Teil der Betätigungsfläche (4) als Reaktion auf einen Druck des Benutzers auf selbige in Bezug auf die Verbindungsfläche (6) bewegen kann,
    - zumindest partielles Anordnen des Rohrs (2) des Drückers (1) im Inneren des Durchgangslochs (14) des Gehäuseelements (8), wobei die Betätigungsfläche (4) zur Außenseite des Gehäuseelements (8) gerichtet ist und wobei die Verbindungsfläche (6) gegen einen Verbindungsbereich des Gehäuseelements (8) anliegt,
    - festes Verbinden der Verbindungsfläche (6) des Drückers (1) und des Verbindungsbereichs des Gehäuseelements (8) durch Herstellen einer dauerhaften dichten Verbindung dazwischen.
  12. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass der Drücker (1) durch Formguss ausgebildet ist.
  13. Verfahren nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass der Drücker (1) so ausgebildet ist, dass sich das Rohr (2) bis zur Innenwand (10) des Gehäuseelements (8) erstreckt und an seinem im Inneren des Gehäuseelements (8) befindlichen Ende einen Ansatz trägt, wobei der Ansatz die Verbindungsfläche (6) trägt und so geformt ist, dass die Verbindungsfläche (6) um das gesamte Durchgangsloch (14) herum gegen die Innenwand (10) des Gehäuseelements (8) anliegt, um die dauerhafte dichte Verbindung zu definieren.
  14. Verfahren nach Anspruch 12 und 13, dadurch gekennzeichnet, dass der Drücker (1) gleichzeitig mit anderen ähnlichen oder identischen Drückern, die in Form einer Charge von Drückern hergestellt wird, die über ihre Ansätze fest miteinander verbunden sind, wobei die Drücker anschließend durch die Ausführung mindestens eines Schneidvorgangs, bei dem die Ansätze voneinander getrennt werden sollen, vereinzelt werden.
  15. Verfahren nach einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass die dauerhafte dichte Verbindung durch Verschweißen, Verkleben oder Verlöten der Verbindungsfläche (6) und des Verbindungsbereichs erfolgt.
  16. Verfahren nach einem der Ansprüche 11 bis 15, dadurch gekennzeichnet, dass der Teil der Betätigungsfläche (4), der sich in Bezug auf die Verbindungsfläche (6) bewegen kann, so ausgeführt ist, dass er fest mit einer Stange verbunden ist, die sich in Richtung des Inneren des Gehäuseelements (8) erstreckt und dazu bestimmt ist, den Uhrmechanismus als Reaktion auf einen Druck des Benutzers auf die Betätigungsfläche (4) zu betätigen.
  17. Verfahren nach einem der Ansprüche 11 bis 16, dadurch gekennzeichnet, dass zumindest der Verbindungsbereich des Gehäuseelements (8) aus einem massiven metallischen Glas oder aus einem Metall aus der Gruppe, die Gold oder Goldlegierungen, Stähle, Titan, Platin, Palladium, Tantal und Bronzen umfasst, hergestellt ist.
  18. Verfahren nach einem der Ansprüche 11 bis 17, dadurch gekennzeichnet, dass der Drücker (1) aus einem massiven metallischen Glas aus der Gruppe, die massive metallische Gläser aus Palladium, Zirkonium, Kupfer, Magnesium und Platin umfasst, hergestellt ist.
EP22160375.6A 2021-03-10 2022-03-07 Gehäuseelement für uhr, das einen drücker aus massivem metallischem glas umfasst Active EP4071557B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00257/21A CH718418A1 (fr) 2021-03-10 2021-03-10 Elément de boîte pour pièce d'horlogerie comportant un poussoir en verre métallique massif.

Publications (2)

Publication Number Publication Date
EP4071557A1 EP4071557A1 (de) 2022-10-12
EP4071557B1 true EP4071557B1 (de) 2023-12-20

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Country Link
US (1) US20220291636A1 (de)
EP (1) EP4071557B1 (de)
JP (1) JP2022140313A (de)
CN (1) CN115079547A (de)
CH (1) CH718418A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1885268A4 (fr) * 1968-12-18 1971-02-15 Omega Brandt & Freres Sa Louis Organe de commande étanche pour montre
US3767875A (en) * 1972-06-19 1973-10-23 Texas Instruments Inc Diaphragm type pushbutton setting switch with fixed contact semiconductor substrate support
US3982089A (en) * 1974-11-29 1976-09-21 Seiko Instruments Incorporated Pushbutton switch
JPS6035937Y2 (ja) * 1980-04-15 1985-10-25 シチズン時計株式会社 時計ケ−スの外部操作スイツチ
JPH04349316A (ja) * 1991-05-24 1992-12-03 Matsushita Electric Ind Co Ltd 電子機器用防水スイッチ
DE60226405D1 (de) * 2002-03-14 2008-06-19 Seiko Epson Corp Struktur eines Druckknopfs
TWM354841U (en) * 2008-08-22 2009-04-11 Wistron Corp Waterproof pushbutton, and the assembly of waterproof pushbutton and electronic device housing
US9108279B2 (en) * 2010-06-22 2015-08-18 The Swatch Group Research And Development Ltd Method of assembling a part
US10290440B2 (en) * 2014-01-31 2019-05-14 Apple Inc. Waterproof button assembly
EP3276432B1 (de) * 2016-07-26 2020-03-25 Omega SA Untereinheit zur verkleidung einer uhr, armbanduhr oder eines schmuckstücks
CN111061140A (zh) * 2018-10-17 2020-04-24 精工爱普生株式会社 钟表壳体以及钟表

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JP2022140313A (ja) 2022-09-26
EP4071557A1 (de) 2022-10-12
CN115079547A (zh) 2022-09-20
US20220291636A1 (en) 2022-09-15
CH718418A1 (fr) 2022-09-15

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