EP3455679B1 - Boîte de montre comportant des cornes amovibles - Google Patents

Boîte de montre comportant des cornes amovibles Download PDF

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Publication number
EP3455679B1
EP3455679B1 EP17718753.1A EP17718753A EP3455679B1 EP 3455679 B1 EP3455679 B1 EP 3455679B1 EP 17718753 A EP17718753 A EP 17718753A EP 3455679 B1 EP3455679 B1 EP 3455679B1
Authority
EP
European Patent Office
Prior art keywords
horns
pair
lock
watch case
bracelet
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
EP17718753.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3455679A1 (fr
Inventor
Laurent Cuenat
Laurent RAILLE
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.)
LVMH Swiss Manufactures SA
Original Assignee
LVMH Swiss Manufactures 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 LVMH Swiss Manufactures SA filed Critical LVMH Swiss Manufactures SA
Publication of EP3455679A1 publication Critical patent/EP3455679A1/fr
Application granted granted Critical
Publication of EP3455679B1 publication Critical patent/EP3455679B1/fr
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A44C5/147—Watchcase itself used as fastener
    • 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
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2019—Hooks
    • A44C5/2023—Sliding hooks
    • A44C5/2028—Sliding hooks with spring closure means
    • 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

Definitions

  • the present invention relates to a watch case with removable and interchangeable horns.
  • Wristwatches generally include a watch case with a middle part comprising horns which serve to attach the bracelet; the usual watch cases have two pairs of horns, each strand of the bracelet being mounted between two horns.
  • the shoulders are generally made up of a single piece made by stamping by integrating the horns.
  • the manufacture of squares provided with horns with complex shapes is difficult and unsuitable for mass production.
  • the document CH706260 describes a part of the watch case comprising a middle part and removable horns connected to each other by a connecting piece.
  • the middle part includes a hollow location for each horn and a hollow location for each connecting piece. The depth of these locations makes it possible to position the base of the horns while masking the connecting piece.
  • the connection piece is fixed to the middle with two screws perpendicular through each horn and engaged in threaded holes in the thickness of the middle. A tool is therefore necessary to disassemble the horns.
  • the middle part must be relatively thick to accommodate tapped holes for holding the horns.
  • each horn comprising two projecting elements which can be inserted into corresponding recesses.
  • the connection between the horn and the middle part is effected by exploiting the deformation of the projecting elements when they are inserted into the recesses.
  • This solution requires a thick middle to achieve the locations suitable for cooperating with the projecting elements.
  • there is a risk of breakage of the horns if the force exerted to deform the projecting elements in order to make the connection with the middle part is too great.
  • the document CH701221 describes a middle part whose external lateral surface comprises a mortise.
  • the end of a horn includes a tenon of the same rendering as the mortise.
  • the post is arranged to be inserted into the mortise, the two parts then being connected by a dowel in a housing formed by holes in the middle and the post. The insertion and removal of the ankle requires tools. The horns are therefore not easily removable.
  • the document EP2188676 describes a watch case with a middle part and two pairs of horns.
  • the two horns of each pair are connected by a connecting piece comprising a side held against the middle by means of an elastic member inside the middle.
  • This elastic member is connected to the connecting piece through an opening located on the contour of the middle part.
  • This solution therefore requires an elastic member inside the middle part, the mounting of which is complicated.
  • the middle must be thick to accommodate this elastic element.
  • the entire middle part must be brought back to the watchmaker for revision in the event of deformation or breakage of the elastic element.
  • EP1902641 requires indexing means in the middle part and also in the connecting part, in order to index the insertion of a pin of the connecting part in the middle part longitudinally.
  • the documents CH355094 and CH321188 require a thick middle to be able to realize housings intended to receive a piece of connection of the horns.
  • the document EP0400206 describes a middle part of a wristwatch, the bracelet of which is retained on the middle part by means of a locking element which can be positioned in a cavity of a part external to the middle part and connected to its external surface. This piece cooperates with rods allowing the bracelet to be fixed.
  • the document EP0471834 describes a rectangular middle of a wristwatch comprising a bore in one side of the middle and whose wall is crossed by an axial slot of a width greater than the thickness of the bracelet.
  • An elastic tubular blade and a sleeve, one end of which is closed, are inserted into this slot.
  • the tubular blade has an axial toothed slot into which the free end of a flexible bracelet is introduced.
  • the axial introduction of the tubular blade into the sleeve requires an elastic deformation of the blade causing the free end of the bracelet to be blocked by pinching the toothed slot.
  • This solution requires a very thick middle part to make the axial slot receiving the sleeve and the elastic tubular blade. In addition, this solution is only suitable for flexible bracelets.
  • the document US5732048 describes a watch case comprising a first hole extending in a first direction (perpendicular to the plane of movement), arranged to receive a cylinder, and a second hole extending in a second direction perpendicular to the first (and therefore in the plane of movement), and arranged to receive a screw linked to a connecting piece of a bracelet.
  • the cylinder has two openings, the first of which is arranged to receive this screw, and the second to receive another screw for fixing the middle part to the bottom of the watch case.
  • the middle part requires a large thickness to accommodate the holes receiving the bracelet connection screw as well as the cylinder.
  • This solution has the advantage in particular of simplifying the manufacture of the middle part which is devoid of horns and devoid of a member for handling the lock. It can therefore be very fine, and simple to machine.
  • the complexity moves on the pairs of horns, which support the handle of the lock.
  • the horns are made up of small parts, usually made by milling and which are easier to machine into complex shapes.
  • the handling member By deporting the handling member to the horns, it also facilitates its handling. Furthermore, the underside of the horns does not press strongly on the wrist, which limits the risk of injuring the skin with the manipulation member.
  • the manipulation member is preferably manipulable by hand, for example with a finger.
  • the handling member can preferably be handled without tools.
  • the handling member preferably remains linked to the pair of horns when the pair of horns is released and when the bracelet; any risk of losing screws, pins or other parts when removing the horns or bracelet is therefore eliminated.
  • the watch case may include an elastic return element, for example a spring, mounted on the pair of horns in order to push the manipulation member, as well as preferably the second lock member, into the locking position.
  • an elastic return element for example a spring
  • the manipulation member can be provided on the horns on the back side, that is to say on the side of the horns facing the wrist when wearing the watch. It is therefore concealed when wearing the watch, and protected from risks of unintentional handling.
  • the manipulation member and the second lock member can form two parts of the same part.
  • the manipulation member can be manipulated between the locked position and the release position by moving it in a vertical direction.
  • the vertical direction is perpendicular to the horizontal plane, itself defined as the plane of the back of the watch.
  • the first member of the lock is constituted by a bolt fixedly connected to the middle part.
  • the second member of the bolt is constituted by a striker movable relative to the pair of horns, between the bolt locking position and the bolt release position.
  • the first member of the lock extends radially over a lateral face of the middle part.
  • This body can be in the form of an anchor with a central rod which ends in two lateral jas.
  • the second lock member has a window through which the first lock member is in the locked position.
  • This window forming a movable keeper, has an enlarged portion allowing the insertion and extraction of the first member of the lock, and a narrow portion preventing the insertion and extraction of the first member of the lock.
  • the first lock member (anchor-shaped) passes through the narrow portion of the window when the elastic return element mounted on the pair of lugs pushes the second lock member into the locked position, but is prevented from coming out by the anchor jas which cannot cross the narrow portion of the window.
  • the elastic return element may consist of one or more leaf springs bearing on the second member of the lock.
  • the spring leaves can act in a vertical direction, in order to push the second member of the lock in a vertical direction.
  • the direction of movement of the handling member between the locking position and the release position is substantially parallel to the horizontal plane. This variant makes it possible to reduce the contact between the handling member and the wrist of the user, and therefore to limit the risk of injuring the user.
  • the second lock member can pivot about an axis perpendicular to the horizontal plane between the locking position and the handling position. This axis can be linked to the pair of horns.
  • the first member of the lock is constituted by a groove or another keeper in a lateral face of the middle part.
  • the second member of the lock is constituted by a bolt or another portion engaged in this groove in the locked position, and out of the groove in the release position.
  • the manipulation member may consist of a movable button operable by the user and acting on the second member of the lock in the release position in order to unlock it.
  • the handling member and the second member of the lock are thus constituted by two separate parts, which allows if desired to manufacture them in different materials and optimized according to their own requirements.
  • the second lock member can translate radially in the horizontal plane between the locking position and the release position.
  • the manipulation member can be manipulated horizontally.
  • the return member can push the handling member in a substantially horizontal direction, oriented towards the outside of the watch.
  • the pair of horns allows to maintain a strand of the bracelet.
  • Two pairs of horns can be provided to hold the two strands of the bracelet.
  • a portion of the bracelet can be sandwiched between the pair of horns and a portion of the middle.
  • the arrangement may include a vertical stack comprising, from bottom to top: a portion of the pair of horns; the end of the bracelet, inserted on this portion and between the two horns; a portion of the middle.
  • Disassembly or replacement of the bracelet may require disassembly of the lugs.
  • the bracelet is thus simpler and more economical to make.
  • the complexity of the removable link is carried over to the pairs of horns, which are durable parts.
  • a spring ball may be provided in the bracelet in order to position the bracelet relative to the pair of horns.
  • a first embodiment of the invention is illustrated on the Figures 1 to 9 .
  • the figure 1 illustrates a watch case comprising a middle part 1A and a pair of removable horns 3A, on which is mounted a strand of bracelet 5. Another pair of removable horn and another strand of bracelet not shown can be mounted on the opposite side of the middle .
  • the figure 3 is a bottom view of these elements.
  • the bracelet strand 5 is temporarily inserted into the pair of horns 3 (here 3A) by moving it vertically (that is to say in a direction substantially perpendicular to the plane of the bottom of the watch).
  • the assembly formed by the horns and the bracelet is then assembled on the middle part 1 (here 1A - figure 2 ).
  • This assembly of the pair of horns 3 on the middle part 1 also makes it possible to maintain the bracelet strand by preventing its axial extraction as in the other embodiments.
  • a lock comprising a first fixed member 10A linked to the watch case and a second member 31A ( figure 4 ) allows to lock the assembly between the pair of horns 3A and the middle part 1A.
  • the pair of horns 3A, and therefore the bracelet strand 5 can only be released from the middle by manipulating the second member of the lock to move it from the locked position to a release position, as will be seen below.
  • the figure 6 illustrates one of the two pairs of horns 3A as well as the second locking member 31A.
  • This member 31A can slide vertically in two slots 37 formed in the pair of horns 3A.
  • An elastic return element here formed of two elastic blades 34A ( figure 7 ), exerts a restoring force on the second member of the lock in order to push it back into the locked position, that is to say downwards in the figure.
  • the second locking member 31A constitutes a part of a part which also includes a handling member 30A.
  • the manipulator is visible under the internal face of the pair of horns, as seen for example on the figure 3 .
  • the user can manipulate it, without the slightest tool, in order to push the second locking member up towards the top of the figure, that is to say in the release position of the lock.
  • the second locking member 31A has a window 310 constituting a keeper in which the first member 10A can be inserted.
  • the locking of the pair of horns 3A on the middle part 1A is therefore done with a locking mechanism with a fixed bolt linked to the middle part, and a sliding keeper linked to the pair of horns.
  • the first member 10A of the lock has an anchor shape with a rod and two jars extending on each side at the end of the rod.
  • the window 310 has an inverted T shape with an enlarged portion 312 allowing the insertion or extraction of the first member 10A, and a narrower portion 311 preventing the passage of this first member 10A.
  • the bracelet is provisionally inserted between the two horns of the pair 3A, before mounting this pair on the middle 1A.
  • Complementary shapes 53 at the end of the bracelet and in the inter-horns allow fitting.
  • the end of the bracelet 5 is also held in position by means of a ball 50 on spring 51 which is positioned in a housing 35 ( figure 8 ) formed between the two horns of pair 3A.
  • the positioning of the pair of horns 3A on the external face of the middle part 1A is obtained thanks to the interlocking of the complementary shapes 38 on the pair of horns 3A and 13 on the lateral faces of the middle part 1A.
  • the figures 4, 5 and 8 , 9 illustrate different sectional views of the pair of horns 3A assembled on the middle part 1A.
  • the figure 8 illustrates the position of the various elements before locking.
  • the second member 31A is pushed down, in the locked position, by the return spring 34A.
  • the pair of horns 3A can only be released by manipulating the handling member 30A to lower the window 310 into the release position, allowing the extraction of the first member 10A.
  • the bracelet strand 5 is held between the pair of horns 3 (here 3A) and the middle 1 (here 1A), and therefore cannot be removed without unlocking and then removing the pair of horns 3. More precisely, as seen especially on the figure 4 , a portion 52 at the longitudinal end of the bracelet strand 5 is sandwiched between a portion 12 of the middle part 1A and the pair of horns 3A. In the horizontal plane, the movement of the bracelet strand 5 is limited by the two horns of the pair 3A.
  • a second embodiment of the invention is illustrated on the figures 10 to 14 .
  • it again comprises a watch case with a middle part 1B, pairs of removable horns 3B, and a bracelet 5 held between these horns 3B and the middle part 1B.
  • Complementary shapes 13 on the middle and 38 on the pair of horns can fit together to ensure the assembly of these elements before they are locked.
  • complementary shapes also make it possible to fit the end of the bracelet strand 5 against the external face of the pair of horns 3B, before their maintenance by the assembly of the pair of horns on the middle 1B.
  • the pairs of horns 3B are mounted on the middle part 1B by an axial movement, that is to say vertical.
  • the complementary shapes 13 on the middle part 1B constitute slides and make it possible to guide this relative displacement of the pairs of horns 3B axially with respect to the middle part 1B.
  • the lock making it possible to block this assembly once the horns are in position is constituted in this embodiment by a groove 10B on the lateral face of the middle part 1B (first member), and by a second member 31B movable in rotation and mounted on the pair of horns 3B, in order to block its axial movement.
  • the second member 31B can pivot around a vertical axis 39 under the underside of the pair of horns, between a locking position engaged in the groove 10B ( figure 13 ), and a release position for mounting or dismounting the pair of horns 3B.
  • the second member 31B is linked to a handling member 30B which makes it possible to extract it in the release position, by pivoting it around the axis 39.
  • a return spring 34B for example a wire spring , exerts a pressing pressure of the second member 31B at the bottom of the groove 10B.
  • the other aspects of this second embodiment can be identical or equivalent to those of the first embodiment.
  • a third embodiment is illustrated on the Figures 15 to 19 .
  • the unlocking of the pair of horns 3 on the middle part 1C is obtained by moving a second member 31C of the lock by a rotational movement around an axis 39 linked to the pair of horns 3C, so as to release it from the first member 10C constituted by a groove on the periphery of the middle part 1C.
  • a return spring 34c pushes this second member to the bottom of the groove in the locked position, so as to prevent the axial displacement of the pair of horns 3C relative to the middle part.
  • the lock therefore prevents the separation of the pair of horns 3C with respect to the middle part 1C.
  • the handling member 30C is constituted by a separate piece from the second member 31C of the lock.
  • the handling member is constituted by a button sliding in a horizontal plane between the locking and release positions.
  • the handling member 30C and the second member 31B are linked to each other by a pin passing through an oblong opening under the underside of the pair of horns.
  • the first member of the lock is constituted by a groove 10D forming a keeper at the periphery of the middle part 1D.
  • the second member of the lock consists of a bolt 31D at the end of a bolt comprising a handling member 30D under the underside of the pair of 3D horns.
  • a return spring 34D housed in a blind hole 32 on the face of the pair of horns 3D pushes the bolt so as to engage the second member 31D (bolt) in the groove 10D (keeper).
  • the lock prevents the axial displacement of the pair of horns relative to the middle part 1D.
  • the manipulation member 30D can be pulled outwards in order to disengage the two members of the lock and to insert or extract the pair of horns by moving it axially relative to the middle part 1D.
  • the figures 23 to 28 illustrate a fifth embodiment of the invention.
  • the first member of the lock again consists of a groove 10E ( Fig. 27 ) forming a keeper at the periphery of the middle part 1E and preventing the extraction of the pair of horns 3E according to a vertical (axial) movement.
  • the second member of the lock is constituted by a bolt 31E which moves radially in this groove, while being guided in this movement by an opening 310 on the internal face of the pair of horns 3E.
  • the second member 31E is pushed back to the bottom of the groove 10E by two return springs 34E linked to the pair of horns 3E, here helical springs visible in particular on the figures 25 and 26 .
  • the second member 31E In the release position, the second member 31E is moved radially towards the outside of the watch, against the action of the return springs 34E.
  • This movement is obtained thanks to the handling member 30E constituted by a push button under the internal face of the pair of horns.
  • the button 30E comprises a rod 301, the end of which forms a bevel 303.
  • This bevel 303 bears against a complementary bevel 311 under the second member 31E, so as to move this second member 31E between the locking position illustrated on the figure 28 and the release position illustrated on the figure 28 .
  • the end of the second member 31E In this release position, the end of the second member 31E is fully retracted inside the horns and no longer projects beyond the window 310.
  • the manipulation member 30E is guided in its vertical movement by a cover 300 crossed by the rod 301. Balls on spring 304 exert a force to push this member when it is not pressed. Pins 302 on either side of the rod 301 also make it possible to ensure vertical movement of the handling member 30E.
  • the entire device is hidden by a cover 322 screwed by means of screws 320 on the spacer.
  • the end of the second member 31E is provided with a beveled bias to allow its removal during the insertion of the pair of horns on the middle part 1E.
  • each pair of horns on the middle part 1 of embodiments 2 to 5 is obtained by a relative axial displacement, along the vertical axis; the lock keeps the nested position.
  • these complementary forms include pins 33 engaged in blind holes in the middle part and the pair of horns 3.
  • the complementary shapes 38 on the pair of horns 3E include two end mills (blind grooves). This guide element 38 requires only a small depth and is completely concealed when the pair of horns is mounted.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Buckles (AREA)
EP17718753.1A 2016-05-10 2017-04-19 Boîte de montre comportant des cornes amovibles Active EP3455679B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00610/16A CH712446A1 (fr) 2016-05-10 2016-05-10 Boîte de montre comportant des cornes amovibles et procédé d'assemblage d'un bracelet sur une telle boîte de montre.
PCT/IB2017/052224 WO2017195054A1 (fr) 2016-05-10 2017-04-19 Boîte de montre comportant des cornes amovibles

Publications (2)

Publication Number Publication Date
EP3455679A1 EP3455679A1 (fr) 2019-03-20
EP3455679B1 true EP3455679B1 (fr) 2020-02-05

Family

ID=56119252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17718753.1A Active EP3455679B1 (fr) 2016-05-10 2017-04-19 Boîte de montre comportant des cornes amovibles

Country Status (7)

Country Link
US (1) US11166529B2 (ja)
EP (1) EP3455679B1 (ja)
JP (1) JP6691232B2 (ja)
KR (1) KR20190002684A (ja)
CN (1) CN109074028B (ja)
CH (1) CH712446A1 (ja)
WO (1) WO2017195054A1 (ja)

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EP4202571A1 (fr) * 2021-12-23 2023-06-28 ETA SA Manufacture Horlogère Suisse Objet portable comportant une carrure depourvue de cornes de fixation et un bracelet amovible

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CN113311689B (zh) * 2020-02-26 2022-08-12 Oppo广东移动通信有限公司 壳体及其制备方法、表体和可穿戴设备
US11033082B1 (en) 2020-04-14 2021-06-15 Fitbit, Inc. Wearable device straps and attachment hardware therefor
CN111528586B (zh) * 2020-05-13 2022-06-10 惠州Tcl移动通信有限公司 一种卡扣结构及手表
US11782390B2 (en) * 2020-08-18 2023-10-10 The Swatch Group Research And Development Ltd Watch case equipped with an exterior element
EP3982207A1 (fr) * 2020-10-06 2022-04-13 ETA SA Manufacture Horlogère Suisse Montre a cornes amovibles
USD957978S1 (en) 2020-12-03 2022-07-19 Fitbit, Inc. Set of bands for a fitness tracker
EP4018875A1 (fr) * 2020-12-22 2022-06-29 Manufacture d'Horlogerie Audemars Piguet SA Bracelet
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EP2636328A1 (fr) * 2012-03-07 2013-09-11 De Grisogono S.A. Dispositif d'attache d'un bracelet a une carrure de montre
CH706260B1 (fr) 2012-03-21 2016-09-15 Lvmh Swiss Mft Sa Partie de boîte de montre.
FR3021128B1 (fr) * 2014-05-14 2017-10-20 Kevin Oualli Montre-bracelet a cornes et bracelet echangeables
CH709729A2 (fr) * 2014-06-03 2015-12-15 Swatch Group Res & Dev Ltd Pièce d'habillage à base de verre photostructurable.
US10085523B2 (en) * 2014-08-11 2018-10-02 Apple Inc. Attachment system for an electronic device
EP3266335A1 (fr) * 2016-07-06 2018-01-10 The Swatch Group Research and Development Ltd. Montre bracelet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4202571A1 (fr) * 2021-12-23 2023-06-28 ETA SA Manufacture Horlogère Suisse Objet portable comportant une carrure depourvue de cornes de fixation et un bracelet amovible

Also Published As

Publication number Publication date
WO2017195054A1 (fr) 2017-11-16
JP2019515300A (ja) 2019-06-06
EP3455679A1 (fr) 2019-03-20
KR20190002684A (ko) 2019-01-08
US11166529B2 (en) 2021-11-09
JP6691232B2 (ja) 2020-04-28
CN109074028A (zh) 2018-12-21
US20190174882A1 (en) 2019-06-13
CH712446A1 (fr) 2017-11-15
CN109074028B (zh) 2020-10-09

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