EP0691595B1 - Kunststoffarmbanduhr mit einer als Werkplatte benutzten Verstärkungsmetallarmatur - Google Patents

Kunststoffarmbanduhr mit einer als Werkplatte benutzten Verstärkungsmetallarmatur Download PDF

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Publication number
EP0691595B1
EP0691595B1 EP95109596A EP95109596A EP0691595B1 EP 0691595 B1 EP0691595 B1 EP 0691595B1 EP 95109596 A EP95109596 A EP 95109596A EP 95109596 A EP95109596 A EP 95109596A EP 0691595 B1 EP0691595 B1 EP 0691595B1
Authority
EP
European Patent Office
Prior art keywords
fact
dial
crystal
metallic
caseband
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.)
Expired - Lifetime
Application number
EP95109596A
Other languages
English (en)
French (fr)
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EP0691595A1 (de
Inventor
Ronald Flury
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
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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 Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Publication of EP0691595A1 publication Critical patent/EP0691595A1/de
Application granted granted Critical
Publication of EP0691595B1 publication Critical patent/EP0691595B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/027—Materials and manufacturing
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses
    • G04B39/025—Sealing crystals or glasses without special sealing parts

Definitions

  • the present invention relates to an ultra-thin wristwatch comprising a case-back and a crystal made of plastic, a movement, hands surmounting a dial and a reinforcing metal frame embedded in the case-back and serving among other things as points of attachment to a bracelet.
  • Document CH-B-675 339 already proposes a wristwatch, the middle of which can be made of any non-metallic, natural or synthetic material.
  • This middle part has a cylindrical housing in which is fixed a housing housing a movement by means of an elastic O-ring engaged, on the one hand, in an annular groove of the cylindrical housing and, on the other hand, in a peripheral groove of the housing .
  • the middle part is fitted with a metal frame to which a bracelet is attached.
  • the present invention original in that the metallic reinforcing frame serves in addition to a plate on which is fixed at least one central tenon around which pivots a carriageway carrying the minute hand, a barrel wheel carrying the hour hand in turn pivoting on said carriageway.
  • the ultra-thin wristwatch has a case-back 7 and a crystal 8 produced in plastic material.
  • the watch also includes a movement 9 and hands 10, 11 surmounting a dial 12.
  • the watch especially comprises a metal reinforcing frame 13 embedded in the backband 7, this frame serving inter alia as attachment points 14, 15 to a bracelet not shown.
  • the present invention is remarkable in that the reinforcing metal frame 13 also serves as a plate on which is fixed at least one central stud 16 whose axis bears the reference 1.
  • FIG. 2 shows this frame 13, represented by perspective, before it is molded into the backband 7.
  • FIG. 3 shows a carriageway 17 which carries the minute hand 10.
  • FIG. 3 shows a wheel 19 with a barrel 20 which carries the hour hand 11.
  • the frame 13 in addition to serving to strengthen the case and to attach the bracelet as was known in the prior art, is also used as a plate carrying at least the set of hands indicating the time. This use is new and is not known from previous timepieces.
  • the frame or plate 13 carries horns 14 and 15 located at 6 and 12 o'clock arranged to receive in holes 14 'and 15' bars not shown around which will link the strands of a bracelet.
  • Figure 2 also shows that the frame 13 has raised edges 21, here diametrically opposite edges. These raised edges pursue two goals, that of first stiffening the frame 13, that then of serving as a support, at least partially, to the dial 12. If we refer to Figures 3, 4 and 6, we see indeed an outer edge 22 of the dial 12 rests on the raised edge 21 of the frame 13.
  • the edges 21 and 22 are fixed one to the other. the other, on the one hand to allow the angular positioning of the dial and on the other hand to stiffen the box into a very compact assembly. This edge-to-edge fixing can be carried out for example by means of laser welds.
  • the wheel 31 and the pinion 33 form the mobile 2 which is driven by the pinion 34 of a mobile 6 which further comprises a wheel 35 itself driven by the pinion 36 of a motor mobile 5 comprising a magnetized rotor 37.
  • the mobiles 5 and 6 comprise pivots rotating in bearings made on the one hand in the plastic material of the bottom 7 and on the other hand in a bridge 38.
  • the lower bearing is constituted by a bore 39 made in a plug 40 filling an opening 41 of the frame 13.
  • the plug 40 is obtained during injecting the bottom 7.
  • the movable motor 5 is pivoted in the same way as the movable 6 by means of a plug 51.
  • the magnet 37 is surrounded by a stator 42 linked to a core 43 on which a coil 44 is wound.
  • Two other pins are fixed to the frame 13 as seen in Figures 2 and 6. This is the pin 45 on which rotates the mobile 4 composed of a pinion 46 and a wheel 47.
  • the pinion 46 is driven by the sliding pinion 48 when the rod 49 is pulled for setting the time of the watch. It is also a tenon 50 on which the mobile 3 turns which drives the wheel 31 already mentioned.
  • These two studs are directly fixed to the frame, in the same way as are the studs 30 and 50 already described.
  • the frame or plate 13 is used, in the embodiment taken as an example, to support not only the central mobile 1, but other mobile either by means of tenons 30, 45, 50, or by means of bearings made in plugs 40 and 51 molded in holes in the plate 13.
  • the backband 7 and the crystal 8 are made of heat-sealable thermoplastic materials.
  • the middle part 7 is made of a material chosen from the group comprising acryl butadiene styrene (ABS) and the crystal is made of a transparent acrylic resin (PMMA).
  • Means are provided for assembling the crystal 8 and the middle part 7, these means comprising a localized zone 23 constituted by a mixture of said heat-sealable materials together (see FIGS. 4, 5 and 6).
  • the interested reader will profitably read a description of this technique in document EP-B-0 101 663 (US-A-4 558 957). It is therefore not necessary to expand here further on this process.
  • the bowl-shaped dial pursues two goals: firstly to make it more rigid and secondly to provide thick components of the watch under its peripheral zone, namely the motor elements ( Figures 4 and 5) , the time-setting mechanism (FIG. 6) and the battery, the location of which can be seen in FIG. 2.
  • the motor elements Figures 4 and 5
  • the time-setting mechanism FIG. 6
  • the battery the location of which can be seen in FIG. 2.
  • a dial in the form of a bowl has been described in the document CH-B-620 081.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Claims (6)

  1. Ultraflache Armbanduhr mit einer Bodengehäuseringbaugruppe (7) und einem Uhrglas (8), hergestellt aus Kunststoffmaterial, einem Uhrwerk (9), ein Zifferblatt (12) überlagernden Zeigern (10,11) und einer metallischen Bewehrung (13), eingebettet in die Bodengehäuseringbaugruppe (7) und unter anderem als Befestigungspunkte (14,15) eines Armbandes dienend, dadurch gekennzeichnet, daß die metallische Bewehrung (13) ferner als Platine dient, auf der mindestens ein zentraler Zapfen (1,16) befestigt ist, um den ein Minutenrohr (17), das den Minutenzeiger (10) trägt, umläuft, während ein Stundenrad (19) mit Stundenrohr (20), das den Stundenzeiger (11) trägt, seinerseits auf dem Minutenrohr (17) umläuft.
  2. Armbanduhr nach Anspruch 1, dadurch gekennzeichnet, daß die metallische Bewehrung (13) Hörner (14,15) aufweist, die sich bei 6 bzw. 12 Uhr befinden, ausgebildet zur Aufnahme von Stiften, um die die Stränge des Armbandes schwenken, und rechtwinklig abgewinkelte Ränder (21) bei 3 und 9 Uhr aufweist, auf denen teilweise der Außenrand (22) des Zifferblatts (12) aufruht.
  3. Armbanduhr nach Anspruch 2, dadurch gekennzeichnet, daß der Außenrand (22) des Zifferblatts (12) und die angehobenen Ränder (21) der metallischen Bewehrung (13) aneinander befestigt sind.
  4. Armbanduhr nach Anspruch 1, dadurch gekennzeichnet, daß die metallische Bewehrung (13) ferner verschiedene Triebe (2,3,4,5,6) trägt, welche das Werk (9) bilden.
  5. Armbanduhr nach Anspruch 1, dadurch gekennzeichnet, daß die Bodengehäuseringbaugruppe (7) und das Uhrglas (8) aus thermoschweißbarem Kunststoffmaterial hergestellt sind, und daß Mittel vorgesehen sind, um das Uhrglas und die Bodengehäuseringbaugruppe zu fügen, welche Mittel eine lokalisierte Zone (23) umfassen, gebildet von einem Gemisch aus miteinander thermoschweißbaren Materialien.
  6. Armbanduhr nach Anspruch 1, dadurch gekennzeichnet, daß das Uhrglas (8) eine periphere Zone (24) aufweist, die dicker ist als die zentrale Zone (25), welche die Zeiger (10,11) abdeckt, und daß bei Beginn der peripheren Zone (24) sich eine Verstärkungsrippe (26) befindet, ausgebildet, um sich an das Zifferblatt (12) anzulegen.
EP95109596A 1994-06-30 1995-06-21 Kunststoffarmbanduhr mit einer als Werkplatte benutzten Verstärkungsmetallarmatur Expired - Lifetime EP0691595B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH02082/94A CH686597B5 (fr) 1994-06-30 1994-06-30 Montre-bracelet en matière plastique comportant une armature métallique de renforcement utilisée comme platine.
CH2082/94 1994-06-30

Publications (2)

Publication Number Publication Date
EP0691595A1 EP0691595A1 (de) 1996-01-10
EP0691595B1 true EP0691595B1 (de) 1997-09-03

Family

ID=4225485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95109596A Expired - Lifetime EP0691595B1 (de) 1994-06-30 1995-06-21 Kunststoffarmbanduhr mit einer als Werkplatte benutzten Verstärkungsmetallarmatur

Country Status (8)

Country Link
US (1) US5500837A (de)
EP (1) EP0691595B1 (de)
JP (1) JP3754107B2 (de)
CN (1) CN1088857C (de)
CH (1) CH686597B5 (de)
DE (1) DE69500649T2 (de)
HK (1) HK1001740A1 (de)
SG (1) SG49552A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002315622A1 (en) * 2001-12-14 2003-06-30 Mbbs Holding Sa Watch case base and method for making same
JP2007292461A (ja) * 2004-05-28 2007-11-08 Murata Mfg Co Ltd 焦電素子および焦電型赤外線センサ
US7874722B2 (en) * 2006-08-27 2011-01-25 Nike, Inc. Watch casing integrally formed with watch band
US8511890B2 (en) * 2006-08-27 2013-08-20 Nike, Inc. Rocking bezel control
CN102795036B (zh) * 2011-05-27 2015-12-16 杨振华 一种印花手表加工方法
EP2584413B1 (de) * 2011-10-21 2014-08-13 ETA SA Manufacture Horlogère Suisse Vorrichtung zum Befestigen eines Glases auf einem Mittelteil eines Armbanduhrgehäuses
TW201341093A (zh) * 2012-04-06 2013-10-16 Askey Technology Jiangsu Ltd 超音波熔接結構及超音波熔接方法
JP6074313B2 (ja) * 2013-04-22 2017-02-01 シチズン時計株式会社 時計
JP5967451B2 (ja) * 2014-04-28 2016-08-10 カシオ計算機株式会社 バンド取付構造および腕時計
TWI697289B (zh) 2014-05-21 2020-07-01 瑞士商菲利浦莫里斯製品股份有限公司 氣溶膠形成製品、電熱氣溶膠產生裝置及系統、及操作該系統之方法
EP3106929A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit verbesserter schweissoberfläche
CN107450298A (zh) * 2016-05-30 2017-12-08 深圳市雷诺表业有限公司 一种立体装饰手表
CN105938319A (zh) * 2016-06-27 2016-09-14 无锡迪奥机械有限公司 一种长腿钩挂式钟表

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH206981A (de) * 1937-08-25 1939-09-15 Junghans Geb Ag Uhrwerksplatine.
FR1363424A (fr) * 1963-05-03 1964-06-12 Lip Sa Procédé de fabrication de boîtier de montre en matière plastique renforcé
GB1345345A (en) 1970-12-03 1974-01-30 Suwa Seikosha Kk Watch case
IT1148794B (it) 1979-04-27 1986-12-03 Suisse Horlogerie Orologio da polso spessore ridotto
US4496246A (en) * 1980-10-21 1985-01-29 Kabushiki Kaisha Suwa Seikosha Timepiece construction
CH650894GA3 (de) * 1982-08-12 1985-08-30 Ebauchesfabrik Eta Ag
GB2157462B (en) * 1984-03-26 1988-02-10 Casio Computer Co Ltd Watch with integral band and case
CH675339GA3 (en) 1988-03-25 1990-09-28 Non-metallic wrist watch casing - includes outer ring and inner box linked by elastic ring fitted between them
CH675517B5 (de) * 1989-01-13 1991-04-15 Ebauchesfabrik Eta Ag

Also Published As

Publication number Publication date
SG49552A1 (en) 1998-06-15
CH686597B5 (fr) 1996-11-15
JPH0843552A (ja) 1996-02-16
DE69500649D1 (de) 1997-10-09
EP0691595A1 (de) 1996-01-10
US5500837A (en) 1996-03-19
DE69500649T2 (de) 1998-04-02
CN1122462A (zh) 1996-05-15
HK1001740A1 (en) 1998-07-03
JP3754107B2 (ja) 2006-03-08
CN1088857C (zh) 2002-08-07
CH686597GA3 (fr) 1996-05-15

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