EP4071557A1 - 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
EP4071557A1
EP4071557A1 EP22160375.6A EP22160375A EP4071557A1 EP 4071557 A1 EP4071557 A1 EP 4071557A1 EP 22160375 A EP22160375 A EP 22160375A EP 4071557 A1 EP4071557 A1 EP 4071557A1
Authority
EP
European Patent Office
Prior art keywords
pusher
box element
case
connection
box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22160375.6A
Other languages
English (en)
French (fr)
Other versions
EP4071557B1 (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
Original Assignee
Manufacture dHorlogerie Audemars Piguet 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 Manufacture dHorlogerie Audemars Piguet SA filed Critical Manufacture dHorlogerie Audemars Piguet SA
Publication of EP4071557A1 publication Critical patent/EP4071557A1/de
Application granted granted Critical
Publication of EP4071557B1 publication Critical patent/EP4071557B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G04B37/08—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
    • 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 actuating surface at its end oriented towards the outside of the box element, the actuating surface being intended to be pressed by a user to actuate a watch mechanism capable of being arranged inside the case element.
  • the case element according to the present invention is a middle part for a timepiece.
  • the present invention also relates to a timepiece comprising such a case element, as well as a method of manufacturing a case element according to the invention.
  • Case elements in particular casebands, of this type are already known in the prior art.
  • a main tube is used which is secured to the corresponding box element in a sealed manner, in particular by welding, brazing or gluing.
  • the actuator 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 seal the inside of the main tube.
  • patent application US 2020/0125034 A1 illustrates and describes an alternative method of making a middle part comprising pushers made in one piece with the middle part.
  • this application proposes making a molding of metallic glass to form the assembly in one piece, 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 object of the present invention is to propose a case element for a timepiece having an alternative construction to the case 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 a perfect seal.
  • the Applicant has found during his research that, against all expectations, the fact of making the manufacture of the box element carrying a pusher according to the present invention more complex than in the case of the aforementioned prior art, provides certain alternative advantages, in particular that of being able to use a basic box element which is not made of a solid metallic glass as is the case with the pusher.
  • the latter is a piece added to the basic box element, the assembly between these two components being carried out in a permanent manner making it possible to ensure a perfect seal between them.
  • the tube of the pusher can extend as far as the internal wall of the box element and to carry a base at its end located inside the box element, the base carrying the connecting surface and being shaped in such a way that the connecting surface is applied against the inner wall of the box element all around the through hole to define the permanent sealed connection.
  • connection surface of the pusher In general, provision can be made for the connecting surface of the pusher to be welded, glued or brazed to the connecting region of the box element.
  • the pusher in general, provision can advantageously be made for the pusher to be arranged in such a way that the part of the actuating surface is capable of moving along 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.
  • case element according to the invention can be a caseband or a caseband back.
  • the present invention also relates to a timepiece comprising a case element corresponding to the characteristics which have just been described, as well as a corresponding method of manufacture.
  • the pusher prefferably, provision can be made for the pusher to be made in such a way that the tube extends as far as the internal wall of the box element and carries a base at its end located inside the box element. box, the base carrying the connecting surface and being shaped in such a way that the connecting surface is applied against the inner wall of the box element, all around the through hole, to define the permanent sealed connection.
  • the pusher can be manufactured simultaneously with other similar or identical pushers, manufactured in the form of a batch of pushers integral with each other via their base, the pushers then being individualized by the implementation of at least one cutting operation aimed at separating the bases from each other.
  • the figures 1a, 1b and 1c represent simplified schematic views, respectively from the front, side and face, illustrating general steps for the manufacture of a pusher intended to be assembled with a basic box element to manufacture a box element with pusher according to the present invention.
  • the indications which follow, relating to these manufacturing steps of the pusher are provided by way of non-limiting illustrative example, and the person skilled in the art may implement manufacturing steps 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 produced by molding a solid metallic glass, and comprises a tube 2 closed by an actuating 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 (numeral reference 8 on the figure 2 ).
  • the tube 2 can have any type of shape suitable for 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 actuating 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 may be manufactured simultaneously with other similar or identical pushers, manufactured in the form of a batch of pushers from each other via their base, as shown in 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 can advantageously be provided 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.
  • the figure 2 then 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 inner wall 10 and an outer wall 12 and has a through hole 14 extending between the inner 10 and outer 12 walls.
  • the tube 2 of the pusher 1 is then at least partially housed at the inside the through hole 14 with its actuating surface 4 located in the direction of the outside 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 inner wall 10 of the box element 8 all around the through hole 14 to define the permanent sealed connection.
  • the sealed permanent 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.
  • the connecting surface 6 of the pusher 1 is preferably welded, glued or brazed to the connecting region of the box element 8.
  • At least the connecting region of the box element 8, or even the entirety of the box element 8, can be 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 actuating surface 4 of the pusher 1 has a section of reduced thickness relative to the rest of the pusher 1, thus giving it the ability to deform elastically to actuate a timepiece mechanism located inside the box 8.
  • the actuating 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, departing from the scope of the invention.
  • the part of the actuating 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 inside of case element 8 and intended to actuate a timepiece mechanism in response to pressure from the user on actuating surface 4.
  • the pusher 1 can be arranged in such a way that the mobile part of its actuating surface 4 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 8, in response to a pressure force applied to it of between 2 and 10 N, preferably between 3 and 5 N.
  • the Applicant has in particular carried out its tests using massive 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/amorphous_metals/about_amorphous_metals/about_amorphous_metals.html ).
  • a case element for a timepiece carrying a pusher is obtained, secured to the case element in a permanent and sealed manner without it being necessary to provide for the interposition of a seal, presenting a manufacture and a method of assembly that are at the same time simple, precise and reliable.
  • the response of the pusher to the pressure of a user can be adapted without any particular difficulty by adjusting the shape and the thickness of the pusher.
  • the implementation of the present invention is not limited to the exact geometry of the various components involved as it has been illustrated and described. Indeed, the person 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 his own needs, the shape of the pushers can be defined relatively freely as long as they are able to fulfill their function.
  • the actuation surface of the pusher can either be arranged so as to protrude from the external wall of the box element either towards the exterior or towards the interior, 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, insofar as the connection with the resulting box element is more stable and robust, it is possible to make the tube directly integral with the wall of the hole crossing the box element without departing from the scope of the invention as defined by the appended claims.
  • case element according to the invention can advantageously be a caseband or caseband back for a timepiece, by way of non-limiting examples.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
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 true EP4071557A1 (de) 2022-10-12
EP4071557B1 EP4071557B1 (de) 2023-12-20

Family

ID=75396634

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22160375.6A Active EP4071557B1 (de) 2021-03-10 2022-03-07 Gehäuseelement für uhr, das einen drücker aus massivem metallischem glas umfasst

Country Status (5)

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011161195A1 (fr) * 2010-06-22 2011-12-29 The Swatch Group Research And Development Ltd Procede d'assemblage de piece
EP3276432A1 (de) * 2016-07-26 2018-01-31 Omega SA Untereinheit zur verkleidung einer uhr, armbanduhr oder eines schmuckstücks
US20200125034A1 (en) 2018-10-17 2020-04-23 Seiko Epson Corporation Timepiece case and timepiece

Family Cites Families (8)

* 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
EP1345095B1 (de) * 2002-03-14 2008-05-07 Seiko Epson Corporation 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
US10290440B2 (en) * 2014-01-31 2019-05-14 Apple Inc. Waterproof button assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011161195A1 (fr) * 2010-06-22 2011-12-29 The Swatch Group Research And Development Ltd Procede d'assemblage de piece
EP3276432A1 (de) * 2016-07-26 2018-01-31 Omega SA Untereinheit zur verkleidung einer uhr, armbanduhr oder eines schmuckstücks
US20200125034A1 (en) 2018-10-17 2020-04-23 Seiko Epson Corporation Timepiece case and timepiece

Also Published As

Publication number Publication date
CH718418A1 (fr) 2022-09-15
EP4071557B1 (de) 2023-12-20
US20220291636A1 (en) 2022-09-15
CN115079547A (zh) 2022-09-20
JP2022140313A (ja) 2022-09-26

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