EP3819717A1 - Aussenring für uhrenarmbandgehäuse - Google Patents

Aussenring für uhrenarmbandgehäuse Download PDF

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Publication number
EP3819717A1
EP3819717A1 EP19207278.3A EP19207278A EP3819717A1 EP 3819717 A1 EP3819717 A1 EP 3819717A1 EP 19207278 A EP19207278 A EP 19207278A EP 3819717 A1 EP3819717 A1 EP 3819717A1
Authority
EP
European Patent Office
Prior art keywords
bezel
component
timepiece
ring
ceramic
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
EP19207278.3A
Other languages
English (en)
French (fr)
Other versions
EP3819717A8 (de
Inventor
Pedro Manuel DOS SANTOS PEDROSA
Frédéric MOISSIÈRE
Jean-Baptiste Robin
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
Priority to EP19207278.3A priority Critical patent/EP3819717A1/de
Priority to JP2020182039A priority patent/JP2021092546A/ja
Priority to US17/087,450 priority patent/US12013664B2/en
Priority to CN202011218898.1A priority patent/CN112782958A/zh
Publication of EP3819717A1 publication Critical patent/EP3819717A1/de
Publication of EP3819717A8 publication Critical patent/EP3819717A8/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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • 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
    • 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
    • G04B37/225—Non-metallic cases
    • 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
    • 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
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time

Definitions

  • the invention relates to a bezel for a timepiece case.
  • the invention also relates to a timepiece case comprising such a bezel.
  • the invention also relates to a timepiece comprising such a bezel.
  • the invention finally relates to a method for mounting a timepiece case or a timepiece.
  • the prior art reports a large number of glasses for watch cases.
  • These glasses can, for example, comprise a bezel ring on which is secured a decorative and / or display disc, and can be attached to a watch case middle part by means of an axial retaining element provided to come. to be housed in a groove of said bezel ring.
  • the patent application EP1416341 discloses a connecting device between a bezel and a middle part of a watch case implementing an axial retaining element which is provided to be housed between two axial stop surfaces of a bezel in the form of a component monobloc.
  • This patent application relates more particularly to a particular geometry of an axial retaining element intended to facilitate the assembly and disassembly of the bezel.
  • the patent application EP2624076 discloses a watch case design having a bezel including a ring main bezel on which is attached a decorative and / or display disc.
  • This box design implements an axial retainer as disclosed within the patent application EP1416341 , which is designed to be housed between two axial abutment surfaces of a main bezel ring on which a decorative and / or display disc is attached.
  • the two axial stop surfaces are formed by a groove machined in the main bezel ring.
  • Such a groove requires a sufficient thickness of the bezel ring.
  • such a groove is difficult to produce in a bezel ring made of a hard and fragile material, in particular a ceramic, with regard to the required manufacturing tolerances and the risk of wear of the tools used during the step of rectification of such a groove.
  • the aim of the invention is to provide a bezel for a timepiece case which makes it possible to remedy the aforementioned drawbacks and to improve the bezels for a timepiece case known from the prior art.
  • the invention provides a bezel for a timepiece case which is simpler to use and which can be made entirely or almost entirely from a fragile material, in particular ceramic.
  • a bezel for a timepiece case according to the invention is defined by claim 1.
  • a timepiece case according to the invention is defined by claim 10 or 14.
  • One embodiment of a timepiece case is defined by claim 11.
  • a timepiece according to the invention is defined by claim 12 or 15.
  • a method of mounting a timepiece case or a timepiece is defined by claim 13.
  • a first embodiment of a timepiece 200 is described below with reference to figures 1 to 3 .
  • the timepiece is for example a watch, in particular a wristwatch.
  • the timepiece preferably comprises a timepiece case 100.
  • the timepiece further comprises a movement watchmaker.
  • the watch movement is intended to be mounted in the watch case in order to protect it from the external environment.
  • the watch movement can be an electronic movement or a mechanical movement, in particular an automatic movement.
  • the watch case 100 preferably comprises a middle part 6 and a bezel 10.
  • the watch case 100 also preferably comprises a case back attached to the middle part and a crystal attached to the middle part.
  • the bezel can be mounted fixed on the caseband.
  • the bezel can be a rotating bezel, that is to say mounted so as to be able to rotate on the middle part 6 about an axis A1.
  • the axis A1 can be an axis of the telescope.
  • the axis A1 can be an axis of revolution of the bezel or substantially an axis of revolution of the bezel.
  • the axis A1 is an axis common to the bezel and to the caseband.
  • the bezel is a rotating bezel.
  • the axial retaining element 4 is a shear element.
  • the element can be broken at the base of the third wing, when sufficient axial stress is exerted on this third wing.
  • the axial retaining element is a shear element.
  • the element can be broken at the base of the second wing, when sufficient axial stress is exerted on this second wing.
  • the ring may have a rectangular section comprising a zone of lower shear resistance, for example by means of a groove or a groove.
  • the axial retaining element 4 is for example mounted on a ring 5, itself attached, for example driven on the middle part 6.
  • This ring 5 advantageously has a bearing surface 51 against which the axial retaining element 4 bears. This range 51 therefore prevents the axial retaining element 4 from being moved in translation along the axis A1 in the direction of the glass.
  • the bezel can comprise gripping elements 1d in the case where the bezel 10 is mounted to pivot or rotate on the middle part 6 of the watch case 100.
  • it can also include first notching and / or indexing elements 1e. angular provided to cooperate with second means 6a of notching and / or angular indexing arranged on the middle part 6, in particular at the level of an annular seat 61 of the middle part 6, as shown in FIG. figure 2 .
  • the first notching and / or angular indexing elements can, for example, comprise recesses 1e distributed regularly under the bezel around the axis A1.
  • the second notching and / or angular indexing elements may comprise a ball 6a positioned in a bore 62 in the middle part.
  • the ball is returned to the contact position against the bezel by an elastic element, in particular a helical spring 63.
  • the first and second surfaces are arranged at least substantially facing each other and / or are at least substantially perpendicular to the axis A1.
  • the first and second surfaces are intended to cooperate by obstacle with the axial retaining element 4 arranged on the middle part 6.
  • the first surface 1a is preferably urged to bear against the axial retaining element 4.
  • the contact between the first surface 1a and the axial retaining element makes it possible to prevent the bezel from moving axially in the direction of the ice.
  • the contact between the second surface 2a and the axial retaining element 4 makes it possible to prevent the bezel from moving axially in the direction of the bottom. Preferably, this contact prevents the bezel from rubbing against the middle seat 61.
  • the first component is for example a main ring or a lower bezel ring.
  • the radial section of the first component can have an L-shaped geometry with a first wing extending perpendicularly or substantially perpendicularly to the axis A1 and a second wing extending parallel or substantially parallel to the axis A1, in the direction of the ice relative to the first wing.
  • the first wing is intended to come opposite the seat 61 of the middle part 6.
  • the first wing comprises the first notching and / or indexing elements.
  • the first wing also comprises a surface 1c preferably extending perpendicularly to the axis A1.
  • the first wing also comprises a bearing surface 1f at its internal edge, the bearing surface 1f delimiting the first surface 1a.
  • the second wing includes the gripping elements 1d.
  • the second component preferably comprises parallel or substantially parallel surfaces.
  • the second component extends for example perpendicular to the axis A1 or substantially perpendicular to the axis A1. It notably comprises parallel or substantially parallel surfaces 2a and 2b which extend for example perpendicular to axis A1 or substantially perpendicular to axis A1.
  • the second surface 2a and the surface 1c are configured and / or arranged to bear against one another.
  • the decorative and / or display ring 3 of the bezel comprises on an upper surface decorations and / or indications, in particular indications intended to cooperate with an indicator and / or other indications on a dial of the timepiece.
  • the decorative and / or display ring 3 extends generally along a frustoconical surface of axis A1. Alternatively, it can extend along a substantially planar surface perpendicular to the axis A1.
  • the decorative and / or display ring 3 can be a decorative and / or display disc 3.
  • the first and second surfaces 1a and 2a constitute the sides of a groove 12 formed in the bezel, in particular a groove at the interface of the first and second components.
  • the bearing 1f forms a third groove bottom surface.
  • the second component constitutes a dismantling ring 2 of the decorative and / or display ring 3 which is configured and / or arranged to be placed on the first component 1.
  • This dismantling ring 2 is housed beforehand with minimal play in the first. component 1 before the operation of driving out the decorative and / or display ring 3, so as to form an interface between the first component 1 and the decorative and / or display ring 3, in particular in a parallel direction or substantially parallel to the axis A1.
  • the decorative and / or display ring 3 is then driven against a wall 1b of the first component 1 at the level of an outer peripheral surface 3a of the decorative and / or display ring 3.
  • this wall is a frustoconical surface with axis A1.
  • a surface 3b of the decorative and / or display ring 3 bears on a surface 2b of the dismantling ring 2, which itself rests on the surface 1c of the first component 1 through its surface 2a.
  • the second component is held by clipping or driving in relative to the first component.
  • the clipping or driving-in is here indirect: it is the clipping or driving-in of the decorative ring and / or display 3 in the first component 1 which allows the second component to be held.
  • the second component is placed with minimal play or trapped between the first component 1 and the decorative and / or display ring 3.
  • the first surface 1a is disposed along a first plane P1
  • the second surface 2a disposed at the same level as the surface 1c
  • the first and second surfaces 1a and 2a define a groove or a housing 12, delimited axially by the planes P1 and P2, within which on the one hand the axial retaining element 4 can be housed to allow the assembly of the bezel 10 on the middle part 6, and on the other hand a dismantling tool can be inserted to allow the decorative and / or display ring 3 to be released from the first component 1 once the bezel 10 has been removed from the box 100, in particular by exerting forces to separate the first and second surfaces.
  • Such a design is particularly advantageous for the production of a bezel 10 provided with a decorative and / or display ring 3 made of a fragile material, in particular a ceramic, because the release of the decorative and / or display ring 3 is carried out without direct contact between the tool and the decorative and / or display ring 3.
  • the risk of cracking of the decorative and / or display ring 3 during the disassembly of the constituent elements of the bezel is greatly minimized or even canceled.
  • the first component can be made of a first material, in particular a first ceramic
  • the second component and / or the decorative and / or display ring 3 of the bezel can be made of a second material, in particular a second ceramic.
  • the first component can be made of metal, in particular of a metal alloy such as steel, or even a precious alloy based on gold or platinum.
  • the decorative and / or display ring 3 can be made of metal, in particular an aluminum-based alloy, or a steel, or even a precious alloy based on gold or platinum.
  • the second component can be made of a polymer material, in particular a high performance polymer such as a polymer belonging to the family of polyaryletherketones (PAEK), for example of polyetheretherketone (PEEK).
  • PAEK polyaryletherketones
  • PEEK polyetheretherketone
  • a second embodiment of a timepiece 200 ' is described below with reference to figure 4 .
  • the timepiece is for example a watch, in particular a wristwatch.
  • the timepiece preferably comprises a timepiece box 100 '.
  • the timepiece further comprises a watch movement.
  • the watch movement is intended to be mounted in the watch case in order to protect it from the external environment.
  • the watch movement can be an electronic movement or a mechanical movement, in particular an automatic movement.
  • the watch case 100 ′ preferably comprises a caseband 6 ′ and a bezel 10 ′ comprising an axis A1 ′.
  • the watch case 100 ' also preferably comprises a case back attached to the middle part and a glass added to the middle part.
  • the second embodiment differs, for example, from the first embodiment only in that the bezel 10 'is devoid of an intermediate ring and in that a decorative and / or display ring 3' constitutes the second component and is attached to the first component 1 ', for example by gluing.
  • the respective surfaces 1a 'and 3a' of the first component 1 'and of the second component 3' extend along two distinct planes P1 ', P2' so as to form a housing 13 'for receiving an axial retaining element 4' .
  • the second component therefore bears the reference 3 ′ in this embodiment.
  • the retaining element can be put in place before or after mounting the ring 5; 5 'on the middle.
  • the decorative and / or display ring 3 is driven out or clipped on the first component after having placed the second component on the first component.
  • the decorative and / or display ring 3 ' is glued on the first component.
  • the decorative and / or display ring 3 'could be fixed on the first component, for example, by clipping or driving.
  • the invention also relates to a box 100; 100 'of timepiece obtained by implementing the method according to the preceding claim.
  • the invention also relates to a timepiece obtained by implementing the method described above.
  • the watch case comprises return elements bringing the bezel back into contact against the axial retaining element 4.
  • These return elements tend to move the bezel away from the seat 61 from the middle.
  • These return elements can be of the elastic type.
  • These return elements may comprise helical springs mounted in holes provided in the middle part and opening out at the seat of the middle part.
  • the axial retaining element 4 is an annular retaining element such as that described in the patent application. EP1416341 . Such an element allows easy removal of the bezel 10 from the middle part 6 by the shearing of its portion of smaller section.
  • the surfaces 1a, 1c, 2a, 2b, and 3b extend in planes perpendicular or substantially perpendicular to the axis A1 of revolution and / or rotation of the bezel 10.
  • the bezel is of the rotating or pivoting type.
  • the bezel is of the rotating or pivoting type.
  • the first component can be made of a first material, and the decorative and / or display ring 3, 3 'can be made of a second material. More precisely, the first component 1 can be made of a first ceramic and the decorative and / or display ring 3, 3 'can be made of a second ceramic.
  • This first and / or this second ceramic can be mainly or mainly composed of zirconia.
  • this first and / or this second ceramic can be mainly or mainly composed of alumina.
  • this first and / or this second ceramics can be mainly or mainly composed of zirconium oxide or of silicon nitride.
  • this first and / or this second ceramic can be mainly or mainly composed of boron carbide or aluminum nitride.
  • the first component 1 and / or the decorative and / or display ring 3, 3 ' can be made from a composite material.
  • this material can be an alumina - ZTA / ATZ zirconia composite or a cermet.
  • the first component 1 and / or the decorative and / or display ring 3, 3 ' can be made of glass.
  • the bezel comprises two axial stop surfaces provided to cooperate with an axial retaining element arranged on the middle part of the watch case, these two surfaces each belonging to two separate components of the bezel.
  • a first axial stop surface may correspond to a surface of the main bezel ring.
  • a second axial stop surface may correspond to a surface of a ring for removing a decorative and / or display disc of the bezel.
  • a second axial stop surface may correspond to a surface of a decorative and / or display ring.
  • the two axial stop surfaces 1a, 2a; 1a ', 3a' are capable of cooperating with at least one axial retaining element 4; 4 ', in particular an annular retaining element 4; 4 'arranged on the middle part of the watch case by means of a ring 5; 5 ', these two surfaces each belonging to two distinct components 1; 1 ', 2; 3 'of the bezel 10; 10 '.
  • Such a design is also particularly advantageous for the production of a bezel provided with a first component 1; 1 'made by conventional injection or replication techniques.
  • a first component 1; 1 ' made by conventional injection or replication techniques.
  • the absence of a groove within the first component 1 itself; 1 'in fact makes it possible not to require subsequent recovery steps which are difficult to implement because of the very geometry of such a groove, the manufacturing tolerances and the expected surface qualities.
  • the first component 1; 1 'can for example, be made of a non-metallic material, for example ceramic.
  • the new bezel design results in a thinned bezel that can be assembled in a conventional manner through a proven process. Furthermore, this design advantageously makes it possible to provide an “all ceramic” bezel, which is provided with a bezel disc (for decoration and / or display) made of ceramic and with a main ring or a lower ring of. ceramic bezel.
  • radial section is meant a radial section relative to the axis A1, unless otherwise specified.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
EP19207278.3A 2019-11-05 2019-11-05 Aussenring für uhrenarmbandgehäuse Pending EP3819717A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19207278.3A EP3819717A1 (de) 2019-11-05 2019-11-05 Aussenring für uhrenarmbandgehäuse
JP2020182039A JP2021092546A (ja) 2019-11-05 2020-10-30 時計ケース用のベゼル
US17/087,450 US12013664B2 (en) 2019-11-05 2020-11-02 Bezel for timepiece case
CN202011218898.1A CN112782958A (zh) 2019-11-05 2020-11-04 用于钟表壳体的表圈

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19207278.3A EP3819717A1 (de) 2019-11-05 2019-11-05 Aussenring für uhrenarmbandgehäuse

Publications (2)

Publication Number Publication Date
EP3819717A1 true EP3819717A1 (de) 2021-05-12
EP3819717A8 EP3819717A8 (de) 2021-09-08

Family

ID=68470276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19207278.3A Pending EP3819717A1 (de) 2019-11-05 2019-11-05 Aussenring für uhrenarmbandgehäuse

Country Status (4)

Country Link
US (1) US12013664B2 (de)
EP (1) EP3819717A1 (de)
JP (1) JP2021092546A (de)
CN (1) CN112782958A (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6616329B1 (en) * 1998-09-22 2003-09-09 Seiko Epson Corporation Mounting structure of rotating bezel and watch with the same
EP1416341A2 (de) 2003-09-03 2004-05-06 Rolex S.A. Verbindungsvorrichtung zwischen einer Lunette und einem Uhrgehäuse
US7413339B2 (en) * 2005-02-23 2008-08-19 Petra Damasko Watch case and wristwatch with such a case
EP2624076A1 (de) 2012-02-06 2013-08-07 Montres Tudor S.A. Armbanduhrgehäuse, das mit einem verdrehbaren und gekoppeltem Glasreif ausgestattet ist
US20150085627A1 (en) * 2013-09-20 2015-03-26 Seiko Instruments Inc. Timepiece

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1454068A4 (de) 1968-09-27 1971-02-15
CH631593GA3 (en) 1979-10-29 1982-08-31 Waterproof watch case
CH708654A2 (fr) * 2013-10-01 2015-04-15 Rado Montres Sa Procédé de fabrication d'un élément céramique incrusté d'une pièce d'horlogerie et pièces d'horlogerie incluant de tels éléments.
CH709739A2 (fr) 2014-06-03 2015-12-15 Swatch Group Res & Dev Ltd Pièce d'habillage d'une pièce d'horlogerie en matériaux soudés.
EP3543800B1 (de) * 2018-03-20 2021-11-10 Omega SA System eines drehbaren aussenrings einer armbanduhr, das einen federring umfasst

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6616329B1 (en) * 1998-09-22 2003-09-09 Seiko Epson Corporation Mounting structure of rotating bezel and watch with the same
EP1416341A2 (de) 2003-09-03 2004-05-06 Rolex S.A. Verbindungsvorrichtung zwischen einer Lunette und einem Uhrgehäuse
US7413339B2 (en) * 2005-02-23 2008-08-19 Petra Damasko Watch case and wristwatch with such a case
EP2624076A1 (de) 2012-02-06 2013-08-07 Montres Tudor S.A. Armbanduhrgehäuse, das mit einem verdrehbaren und gekoppeltem Glasreif ausgestattet ist
US20150085627A1 (en) * 2013-09-20 2015-03-26 Seiko Instruments Inc. Timepiece

Also Published As

Publication number Publication date
JP2021092546A (ja) 2021-06-17
CN112782958A (zh) 2021-05-11
US12013664B2 (en) 2024-06-18
EP3819717A8 (de) 2021-09-08
US20210132544A1 (en) 2021-05-06

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