EP2485100A1 - Armband mit einem Glasdeckel, und Befestigungsverfahren dieses Glasdeckels - Google Patents

Armband mit einem Glasdeckel, und Befestigungsverfahren dieses Glasdeckels Download PDF

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Publication number
EP2485100A1
EP2485100A1 EP11153707A EP11153707A EP2485100A1 EP 2485100 A1 EP2485100 A1 EP 2485100A1 EP 11153707 A EP11153707 A EP 11153707A EP 11153707 A EP11153707 A EP 11153707A EP 2485100 A1 EP2485100 A1 EP 2485100A1
Authority
EP
European Patent Office
Prior art keywords
ice
watch
bezel
display device
circuit board
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.)
Withdrawn
Application number
EP11153707A
Other languages
English (en)
French (fr)
Inventor
André Kaltenrieder
Martin Jufer
Christian Racine
Jean-Luc Bovet
Jérôme Grosjean
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP11153707A priority Critical patent/EP2485100A1/de
Priority to CN201290000275.XU priority patent/CN203673244U/zh
Priority to US13/979,057 priority patent/US9501039B2/en
Priority to PCT/EP2012/051974 priority patent/WO2012107408A1/fr
Priority to EP12702547.6A priority patent/EP2673676B1/de
Priority to JP2013600101U priority patent/JP3188804U/ja
Publication of EP2485100A1 publication Critical patent/EP2485100A1/de
Withdrawn legal-status Critical Current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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G04G17/045—Mounting of the display

Definitions

  • the present invention relates to a watch comprising a telescope as well as a method of fixing such a telescope. More specifically, the present invention relates to a watch comprising a bezel for fixing an ice perfectly tight and durable manner in time.
  • the ultrasonic welding technique allows to secure the ice on the middle part of the watch perfectly waterproof and durable over time.
  • bonding techniques which do not induce temperature rise.
  • gluing techniques pose other problems. They do not always guarantee a good seal and pose problems of resistance over time.
  • the present invention aims to overcome these problems by providing a telescope that allows a tight and durable mounting of a watch glass glued to a caseband.
  • the present invention relates to a watch comprising a caseband which delimits with an ice a watch case, the ice being glued on a specific bearing surface in the middle part, the watch being characterized in that it comprises an ultrasound-welded bezel on the one hand on the ice and on the other hand on the middle part.
  • the present invention also relates to a method of fixing a watch bezel, this watch comprising a caseband which delimits with an ice a watch case, this method being characterized in that it consists in sticking the ice on a seat provided in the case, then to weld the telescope ultrasonically on the one hand on the ice and secondly on the middle part, the ultrasonic welding step can be performed while the bonding is not yet dry.
  • the present invention provides a watch whose bezel, ultrasonically welded to the ice and the middle part, allows a perfectly sealed and durable mounting of the ice, although it is simply glued to the middle part.
  • the bezel is supported on the one hand on the ice and secondly on the middle part so that, once welded by ultrasound, it fixes and perfectly seals the assembly formed by the ice and the middle part.
  • the ultrasonic welding step of the telescope can intervene shortly after the bonding of the ice on the middle part. It is no longer necessary to wait for the bonding to be polymerized in order to be able to continue the assembly steps of the watch according to the invention. This represents an appreciable saving of time and especially allows to work in continuous flow, without breaking the manufacturing process.
  • the welding of the telescope by ultrasound provides a solid mounting including excellent resistance to permanent and opposing forces exerted by two flexible connectors.
  • the present invention proceeds from the general inventive idea of maintaining an ice bonded to a watchband by means of a telescope which, for its part, is ultrasonically welded on both the ice and the middle part.
  • the telescope is supported both on the ice and on the middle, it is possible to make the mounting of the ice on the middle part of the watch perfectly waterproof and durable although the ice is only glued and not welded. This is particularly advantageous in the case where, for example because of the presence of elements sensitive to mechanical and thermal stresses, it is not possible to ultrasonically weld the ice on the middle part.
  • the single figure appended to this patent application is a partial sectional view of a watch case according to the invention.
  • this watch case is delimited by a middle part 2 closed upwards by an ice cream 4.
  • the middle part 2 and the watch crystal 4 are made of materials that can be glued.
  • the ice 4 is made of polymethylmethacrylate or PMMA while the middle part 2 is made of acrylonitrile butadiene styrene or ABS.
  • the watch glass 4 comprises two faces, namely an upper face 6 directed on the user's side of the watch and a lower face 8 directed on the side of the watch case 1.
  • the lens 4 bears against a bearing 10 of the middle part 2. It is secured to the middle part 2 by means of a line of glue 12.
  • the ice 4 can be permanently immobilized and its mounting on the caseband 2 perfectly sealed by means of a telescope 14 which, as visible in the drawing, is supported on the ice 4 on the one hand, and on the middle 2 on the other go.
  • the bezel 14 is made of M-ABS, that is to say of transparent ABS plastic material.
  • the attachment of the telescope 14 on the ice 4 and on the middle part 2 is done by ultrasonic welding.
  • a first annular collar 16 is provided on the outer periphery of the middle part 2 and a second annular flange 18 located under the surface of the telescope 14.
  • These two collars 16 and 18 are provided at locations where the bezel 14 bears against the middle part 2, respectively the ice 4.
  • These two flanges 16 and 18 represent a supply of thermoplastic material that will be consumed during the welding process.
  • the fraction of the flanges 16 and 18 which is consumed during welding is shown in dashed lines in areas surrounded by a circle in the single figure.
  • a digital display device is attached to the lower face 8 of the lens 4.
  • this digital display device may be a liquid crystal display cell 20 comprising a front substrate 22 and a rear substrate 24 extending parallel and at a distance from one another and joined together by a sealing frame (not visible in the drawing) which delimits a sealed volume for the confinement of the liquid crystal.
  • the two front and rear substrates 24 are arranged between a first and a second polarizer 26 and 28, respectively, whose polarization directions are crossed.
  • the assembly formed by the two substrates 22 and 24 and the two polarizers 26 and 28 is glued by means of an optical adhesive layer 30 on the lower face 8 of the watch glass 4.
  • the dimensions of the front substrate 22 exceed those of the rear substrate 24.
  • These electronic control components are mounted on a printed circuit board 36 arranged in the control box. shows 1, under the display cell 20 and remote therefrom.
  • the conductive tracks 34 for the electrical connection of the control electrodes of the liquid crystal display cell 20 are connected to corresponding conductive tracks 38 structured on the surface of the printed circuit board 36 by means of an elastomeric connector 40 which extends substantially vertically.
  • an elastomeric connector also known by its zebra connector trade name, is a flexible connector formed of a plurality of conductive sheets separated from each other by elastomeric insulating sheets.
  • the assembly is completed by a light guide 42 which is supported on the printed circuit board 36 and which serves to illuminate the back or backlight of the liquid crystal display cell 20.
  • the light guide 42 includes a slot 44 for guiding and holding the zebra connector 40 vertically.
  • the level of the span 10 relative to the printed circuit board 36 is such that when the glass 4 is bonded to the middle part 2, the zebra connector 40 is compressed.
  • the compressed portion of the zebra connector 40 is shown in dashed lines in the figure.
  • the present invention finds all its interest. On the one hand, because a liquid crystal cell 20 is stuck on the lower face 8 of the glass 4, sticking the glass 4 on the middle part 2 avoids any risk of damaging the cell 20. D on the other hand, since the zebra connector 40 is compressed between the liquid crystal display cell 20 and the printed circuit board 36, it tends to want to return to its original shape and exerts on the ice 4 a constraint which tends to to take off the ice 4 of the caseband 2.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP11153707A 2011-02-08 2011-02-08 Armband mit einem Glasdeckel, und Befestigungsverfahren dieses Glasdeckels Withdrawn EP2485100A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11153707A EP2485100A1 (de) 2011-02-08 2011-02-08 Armband mit einem Glasdeckel, und Befestigungsverfahren dieses Glasdeckels
CN201290000275.XU CN203673244U (zh) 2011-02-08 2012-02-06 包括表圈的手表
US13/979,057 US9501039B2 (en) 2011-02-08 2012-02-06 Watch including a bezel and method of attaching such bezel
PCT/EP2012/051974 WO2012107408A1 (fr) 2011-02-08 2012-02-06 Montre comprenant une lunette et procede de fixation d'une telle lunette
EP12702547.6A EP2673676B1 (de) 2011-02-08 2012-02-06 Uhr mit einer einfassung und verfahren zur anbringung einer solchen einfassung
JP2013600101U JP3188804U (ja) 2011-02-08 2012-02-06 ベゼルを含む腕時計及びこのようなベゼルを取り付ける方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11153707A EP2485100A1 (de) 2011-02-08 2011-02-08 Armband mit einem Glasdeckel, und Befestigungsverfahren dieses Glasdeckels

Publications (1)

Publication Number Publication Date
EP2485100A1 true EP2485100A1 (de) 2012-08-08

Family

ID=44279790

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11153707A Withdrawn EP2485100A1 (de) 2011-02-08 2011-02-08 Armband mit einem Glasdeckel, und Befestigungsverfahren dieses Glasdeckels
EP12702547.6A Active EP2673676B1 (de) 2011-02-08 2012-02-06 Uhr mit einer einfassung und verfahren zur anbringung einer solchen einfassung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12702547.6A Active EP2673676B1 (de) 2011-02-08 2012-02-06 Uhr mit einer einfassung und verfahren zur anbringung einer solchen einfassung

Country Status (5)

Country Link
US (1) US9501039B2 (de)
EP (2) EP2485100A1 (de)
JP (1) JP3188804U (de)
CN (1) CN203673244U (de)
WO (1) WO2012107408A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076681A (zh) * 2013-03-28 2014-10-01 Eta瑞士钟表制造股份有限公司 包括凸缘的表

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6531754B2 (ja) * 2016-12-21 2019-06-19 カシオ計算機株式会社 機器ケース及び時計

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6053631A (en) * 1992-11-19 2000-04-25 Createc Patent Holding S.A. Plastic case with a support body for an electronic device
US6243259B1 (en) * 1997-06-20 2001-06-05 Casio Computer Co., Ltd. Electronic member and electronic device
EP1331530A2 (de) * 2002-01-24 2003-07-30 Seiko Instruments Inc. Elektronische Uhr

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284899B1 (de) * 1987-03-23 1991-01-16 Eta SA Fabriques d'Ebauches Uhrengehäuse, Einheit zu dessen Herstellung und Verfahren zum Bauen dieser Einheit
MXPA02003689A (es) * 2002-03-01 2004-04-05 Fossil Inc Dispositivo de relojeria mejorado.
EP1722283A1 (de) * 2005-05-11 2006-11-15 ETA SA Manufacture Horlogère Suisse Uhr mit Mittel zur Verbesserung des Widerstands des Glases gegenüber Stossen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6053631A (en) * 1992-11-19 2000-04-25 Createc Patent Holding S.A. Plastic case with a support body for an electronic device
US6243259B1 (en) * 1997-06-20 2001-06-05 Casio Computer Co., Ltd. Electronic member and electronic device
EP1331530A2 (de) * 2002-01-24 2003-07-30 Seiko Instruments Inc. Elektronische Uhr

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076681A (zh) * 2013-03-28 2014-10-01 Eta瑞士钟表制造股份有限公司 包括凸缘的表
CN104076681B (zh) * 2013-03-28 2017-04-05 Eta瑞士钟表制造股份有限公司 包括凸缘的表

Also Published As

Publication number Publication date
US9501039B2 (en) 2016-11-22
EP2673676A1 (de) 2013-12-18
JP3188804U (ja) 2014-02-13
US20130329535A1 (en) 2013-12-12
WO2012107408A1 (fr) 2012-08-16
EP2673676B1 (de) 2016-10-26
CN203673244U (zh) 2014-06-25

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