EP0716360A1 - Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr - Google Patents

Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr Download PDF

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Publication number
EP0716360A1
EP0716360A1 EP95810532A EP95810532A EP0716360A1 EP 0716360 A1 EP0716360 A1 EP 0716360A1 EP 95810532 A EP95810532 A EP 95810532A EP 95810532 A EP95810532 A EP 95810532A EP 0716360 A1 EP0716360 A1 EP 0716360A1
Authority
EP
European Patent Office
Prior art keywords
case
watch
housing
watch case
casing
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
EP95810532A
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English (en)
French (fr)
Other versions
EP0716360B1 (de
Inventor
Anton Brisa
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.)
Isa Swiss SA
Original Assignee
Fabrique dEbauches de Sonceboz 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 Fabrique dEbauches de Sonceboz SA filed Critical Fabrique dEbauches de Sonceboz SA
Priority to DE69522912T priority Critical patent/DE69522912D1/de
Priority to EP95810532A priority patent/EP0716360B1/de
Priority to EP95810651A priority patent/EP0762240A1/de
Publication of EP0716360A1 publication Critical patent/EP0716360A1/de
Application granted granted Critical
Publication of EP0716360B1 publication Critical patent/EP0716360B1/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
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G04B37/05—Fixed mountings for pocket or wrist watches

Definitions

  • the present invention relates to a watch case according to the preamble of claim 1, and a watch equipped with said watch case. More specifically, this invention relates to a watch case comprising a thin-walled case, more particularly made of precious metal, into which casing means can be introduced to support the other components of the watch. In particular, this invention relates to the problem of fixing the housing with the fitting means.
  • Such watch cases are well known.
  • cases, or moldings are produced by electroforming, stamping or molding, which are instead hollowed out. This simultaneously reduces the weight and the price of the box.
  • Casing means for example a casing circle, are then fixed on this case and maintain the movement of the watch and the other internal components.
  • These fitting means can be made of a more economical material than the metal of the box.
  • the hollow space between the housing and the casing circle remains hollow or can also be filled with reinforcing inserts making it possible to improve the rigidity of the housing, or at equal rigidity to further reduce the thickness of the housing.
  • Precious metal machining operations are generally very expensive. We therefore seek to obtain a housing that can be performed with a minimum of machining operations, even if it means transferring the manufacturing difficulties to the casing circle.
  • the invention relates in particular to the problem of fixing the precious metal case with the fitting means.
  • Patent CH79203 describes a thin housing screwed onto the casing ring directly by its internal peripheral surface. A large diameter thread, very expensive to machine, must therefore be made on the precious metal case. This solution is therefore not suitable for watches to be manufactured at low cost.
  • Patent CH667966 teaches to screw the box, or cap, onto the body of the box by means of several screws passing through the bottom and the body of the box and engaged in threaded holes in the box. This solution therefore requires carrying out several tappings in the housing, which must therefore have a fairly large thickness. This solution is therefore not suitable for watches comprising a precious metal case and having to be produced at a minimum price.
  • Patent CH343939 uses the same principle of screwing the case, but in order to save material on the case suggests screwing the casing ring on four studs pierced with a tapped hole. The manufacture of these studs, as well as keeping them integral with the housing, constitute an additional obstacle. In addition, to deserve the name gold box, these studs must also be made of gold.
  • Patents CH427658 and GB2157029 describe a housing in which screws pass through the thin metal housing and are engaged in threaded holes in the casing ring. This avoids performing tapping operations in the noble metal of the housing.
  • the screw heads appear on the lateral surfaces of the housing, which is generally considered to be unsightly.
  • Patent CH681414 constitutes a variant in which the case is screwed to the casing means from below the watch, which makes it possible to hide the screws.
  • the case must be extended under the underside of the watch, which leads to a waste of precious metal.
  • through holes for the screws must be drilled through the precious metal case, which also increases the cost of the case.
  • Patent EP379974 describes a housing hollowed out towards the inside of the box.
  • the housing is held by at least three studs shaped to position the components axially in the housing.
  • the fitting means are therefore held by their periphery by means of the studs. This solution therefore requires the use of pots to be specially manufactured, and does not allow very easy mounting or dismounting of the watch case.
  • Patent application EP626625 describes a housing constituted by a peripheral body, of noble metal, removably attached to a central body of inexpensive material.
  • the housing is held on the casing circle by the bottom, itself fixed by notches.
  • patent EP150746, in which the housing cap is simply pinched between the front plate and the back of the watch. This solution makes it difficult to disassemble the back of the watch, for example to replace the watch battery in the case of a battery watch. Indeed, it is not possible to disassemble the case without disassembling the entire watch, and the replacement of the battery must therefore generally be carried out by a specialist.
  • the object of the present invention is therefore to propose a watch case which does not have the drawbacks mentioned of the solutions of the prior art.
  • an object of the present invention is to provide a watch case comprising a thin-walled case, especially made of precious metal, requiring a minimum of machining operations, in particular drilling and tapping, for fixing to the fitting means. So general, the object of the present invention is to reduce all the costs of manufacturing the housing.
  • Another object is to propose a watch case comprising a removable thin-walled case.
  • a watch case comprising a removable thin-walled case.
  • Another object is to propose a watch case comprising a thin-walled case fixed to the fitting means without screws appearing outside the case. This makes it possible to produce more aesthetic watches that are not subject to disassembly or accidental loosening.
  • Watch cases deserve the name gold box only under certain conditions specified by national laws.
  • the middle or the case, the bezel and the back must have a fine gold content in accordance with the indication of the title mentioned by the work to deserve this wished appellation.
  • the back if it is separate from the middle part, must partially cover it.
  • Another object of the invention is therefore to propose a construction of a watch case which, if it is made of gold, deserves the name and the hallmark punch of gold.
  • these aims are achieved by maintaining the fitting means in the housing only by compression between two horizontal bearing surfaces formed on the upper and lower parts of the internal face of the housing.
  • the fitting means comprise a one-piece fitting circle, and their thickness can be reduced to facilitate insertion into the housing.
  • the case has an opening in the bottom through which the various components of the watch, in particular movement 11, can be introduced.
  • Casing means 5,12 are introduced through this opening, which make it possible to support the other components.
  • these means, or similar means are also referred to as the container, the reinforcement structure, the body of the box, the circle, the frame or the casing ring, casing or movement holder.
  • these fitting means 5, 12 are essentially constituted by a monobloc element having approximately the shape of the part 5 in FIGS. 1 and 2, one generally speaks of a fitting circle 5.
  • a bottom 6 closes the opening in the lower part of the housing.
  • the bottom is fixed to the casing circle 5 by screws 60 ( Figure 2) or by any other known method of fixing the bottom.
  • a bottom seal 10 prevents water infiltration between the casing ring 5 and the bottom 6.
  • the dial 14 On the upper face of the frame, the dial 14 is visible through the glass 7 supported by the flange 8.
  • a seal of glass 9 is kept compressed between the glass 7, the casing circle 5 and the housing 2. To avoid compressing the glass seal in two different directions, it could also be placed only between the casing circle 5 and the periphery of the ice 7.
  • the casing circle 5 is first introduced by the bottom of the case 2, and abuts against a first bearing surface 21 formed by the upper part of the internal face 20 of the housing 2.
  • the casing means 5,12 comprise, in addition to the monobloc casing circle 5, fixing keys or truncated fixing keys 12 (FIG. 3) engaged in threaded openings in the casing circle 5.
  • the circle socket 5 is held at the bottom of the housing using these keys 12.
  • the head of said keys is housed in a recess 50 provided for this purpose in the socket circle 5.
  • the upper face 13 of the keys rests on a second bearing surface 22 provided in the internal face 20 of the housing 2.
  • the casing means 5, 12 are thus firmly compressed between the two bearing surfaces 21 and 22. No drilling or tapping is only necessary in the case r 2 in precious metal, which considerably reduces manufacturing costs.
  • the housing can have different shapes and structures depending on aesthetic considerations and in order to limit the weight of raw material.
  • the thin walls of the housing are curved in order to improve the resistance to mechanical shock.
  • the internal face 20 of the housing 2 comprises ribs 23 (illustrated only in FIGS. 4 and 5 in relation to the second and third variant embodiments of the invention). These ribs may for example have a honeycomb structure, or another pattern adapted to the particular shape of the housing.
  • the housing 2 can be provided with optional guide means 25 making it possible to facilitate the introduction of the casing circle 5 into the housing 2.
  • these means are by example constituted by a guide ring 25 offering a guide surface 26 substantially perpendicular to said bearing surfaces 21, 22.
  • This ring 25 can either be continuous all around the periphery of the casing circle 5, or be made of pins discontinuous guide between which the casing circle is inserted.
  • Other configurations of the guide means 25 can of course be imagined.
  • the watch does not include a bezel, and the crystal 7 comes almost flush with the one-piece case 2.
  • the fitting means could be supported on a bearing surface 21 formed by the base of the bezel previously fixed to the body of the case.
  • the bezel is therefore considered here as an integral part of the case.
  • the fitting means are however removable independently of the telescope.
  • FIG. 4 illustrates a second embodiment of a watch case 1 according to the invention.
  • the housing 2 is identical to the housing of Figure 1 except that it has the ribs 23 mentioned.
  • the internal face 20 of this box has two identical bearing surfaces 21 and 22 between which the fitting means 5 are inserted.
  • These means can be introduced by the bottom 6.
  • They are essentially constituted by a one-piece casing circle 5 made of metal or of deformable synthetic material. They comprise at least one peripheral lug 28 which comes to bear on the lower bearing surface 22 of the housing 2. It is possible to provide either a single lug 28 continuous over the entire periphery of the casing circle 5, or a plurality of pins pressing in different places on the support surface 22.
  • the casing ring 5 is inserted into the housing 2 by forcing.
  • the lug (s) 28 have, depending on the elasticity of the material used for the casing ring 5, a thickness which allows them to deform during the forced introduction, then to resume their shape once the circle is in place, thus ensuring effective retention of the casing circle 5 between the bearing surfaces 21 and 22.
  • the thickness of the lug (s) 28 is for example of the order of 40 to 60 microns if the casing circle 5 is made of metal.
  • Disassembly is also by forcing, for example by inserting a blade or a comparable tool between the housing and the casing ring. No screw is necessary to fix the fitting means 5 to the housing 2.
  • FIG. 5 illustrates a third embodiment of the invention.
  • the housing 2 is closed bottom, and is equipped with a bezel 15 removably attached.
  • the casing circle 5 is introduced by the upper face of the watch by dismantling the bezel 15, and comes to bear against the bearing surface 22 on the bottom of the watch.
  • the casing circle 5 is introduced by the upper face of the watch into the case 2 by forcing these pins 29, then is held in place by compression between the bearing surfaces on the middle part 21 and 22.
  • the casing ring 5 could be provided with two lugs or groups of lugs 28 and 29, intended to come to bear respectively on the lower support surfaces 22 and upper 21.
  • the casing ring of this variant is then compressed neither against the bottom 6, nor against the bezel 15, but is only held by the bearing surfaces 21 and 22 formed on the edge of the two guide rings 25.
  • the embodiments comprising lugs make it possible to dispense with the fixing keys 12, but on the other hand require high manufacturing tolerances both for the casing circle and for for the housing.
  • FIG. 6 illustrates a fourth embodiment of a watch case 1 according to the invention.
  • the housing 2 is closed bottom.
  • the housing could however also include an opening in the bottom obstructed by a removable bottom and a seal.
  • the casing circle 5 with the various components of the watch such as the movement are fitted into the case 2 from above.
  • the housing 2 is of the closed shell type, that is to say that the part hollowed out inside the housing is limited by a reinforcement and guide wall 27 preferably pierced with several windows 24. The crushing resistance of the housing is improved by this reinforcement and guide wall. It also offers a vertical guide surface 26 facilitating the introduction and positioning of the casing circle 5 in the housing 2.
  • This type of closed shell housing can naturally also be used in combination with the variant embodiments described in relationship with the previous figures.
  • the upper part of the internal face 20 of the housing 2 comprises a first surface approximately 21 supporting face when the watch is placed on the bottom or on its crystal.
  • This first bearing face is limited on the one hand by the opening in the housing intended for the glass 7 and on the other hand by the reinforcement and guide wall 27.
  • a second bearing surface 22 is constituted by the periphery of the bottom of the housing, delimited by the reinforcement and guide wall 27.
  • the casing circle 5 of this variant is made of a deformable synthetic material. It includes a gold element 51 intended to be inserted between the housing 2 and the crystal 7, to hide the plastic parts.
  • the element 51 is fixed by any known means to the casing circle.
  • the casing circle could be masked by a bezel removably attached to the housing.
  • the casing ring 5 is introduced by forcing into the housing through the upper opening intended for the glass 7, and resumes its initial shape once in place, so as to come to bear against the two bearing surfaces 21 and 22. No screw is necessary, the pressure exerted against the two bearing surfaces is sufficient to keep the casing ring 5 in place in the middle part.
  • the casing circle may possibly include protuberances intended to engage in the windows 24 of the reinforcement and guide wall 27. These protuberances prevent in particular a rotation of the casing circle 5 inside the housing 2.
  • fitting means can be provided with compressible spring means.
  • the fitting means are introduced by compressing these springs. Once in place, these springs exert pressure against the two bearing surfaces 21 and 22.
  • fitting means can, according to the variants, be made from several elements possibly composed of different materials.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP95810532A 1995-08-30 1995-08-30 Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr Expired - Lifetime EP0716360B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69522912T DE69522912D1 (de) 1995-08-30 1995-08-30 Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr
EP95810532A EP0716360B1 (de) 1995-08-30 1995-08-30 Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr
EP95810651A EP0762240A1 (de) 1995-08-30 1995-10-19 Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95810532A EP0716360B1 (de) 1995-08-30 1995-08-30 Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr

Publications (2)

Publication Number Publication Date
EP0716360A1 true EP0716360A1 (de) 1996-06-12
EP0716360B1 EP0716360B1 (de) 2001-09-26

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EP95810532A Expired - Lifetime EP0716360B1 (de) 1995-08-30 1995-08-30 Uhrengehäuse mit ausgehöhltem Gehäuseteil und Gehäuseanpassungsmittel sowie eine mit einem solchen Gehäuse ausgerüstete Uhr

Country Status (2)

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EP (1) EP0716360B1 (de)
DE (1) DE69522912D1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1065576A1 (de) * 1999-06-29 2001-01-03 The Swatch Group Management Services AG Chronographuhr aus Edelmetall mit einem ausgehöhlten Glasreif-Mittelteil
EP1450218A1 (de) * 2003-02-20 2004-08-25 Richemont International S.A. Vorrichtung und Verfahren für die Festlegung eines Kalibers auf einem Gehäusering
US20150346692A1 (en) * 2014-06-03 2015-12-03 The Swatch Group Research And Development Ltd Device for assembling a casing ring in a watch case middle
EP2977835A1 (de) * 2014-07-21 2016-01-27 The Swatch Group Research and Development Ltd. Schweißen durch Elektroformen des Gehäuses einer elektrogeformten Uhr
CN109782566A (zh) * 2017-11-13 2019-05-21 劳力士有限公司 用于在表壳中固定时钟机芯的系统

Citations (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH67165A (de) 1914-01-14 1914-11-16 Aeg Einrichtung zum selbsttätigen Regeln parallel arbeitender, unabhängig voneinander erregter Generatoren oder Generatorengruppen auf proportionale Belastungsverteilung
CH70926A (de) 1915-07-27 1915-11-16 Aegler S A Rolex Watch Co Aegl Uhr
CH72077A (fr) 1915-10-02 1916-04-01 Meyer & Stuedeli Dispositif aux montres pour fixer le mouvement dans la boîte
CH71873A (fr) 1915-03-20 1916-04-17 Courvoisier & Co L Boîte de montre
CH79203A (fr) 1918-10-03 1918-10-16 Boites La Centrale Fab De Boîte de montre
CH189190A (fr) 1936-05-11 1937-02-15 Schmitz Freres & Co S A Boîte de montre-bracelet.
CH214659A (fr) 1939-12-22 1941-05-15 Colomb Henri Boîte de montre-bracelet.
CH220794A (fr) 1941-05-07 1942-04-30 Colomb Henri Boîte de montre étanche.
CH229555A (fr) 1941-05-07 1943-10-31 Colomb Henri Boîte de montre étanche.
CH295434A (fr) * 1951-06-23 1953-12-31 Ebosa Sa Dispositif de fixation d'un mouvement dans une boîte de montre.
CH299612A (fr) 1951-07-10 1954-06-15 Cipras Moulding S A Montre avec cache-poussière.
CH333999A (fr) 1956-11-09 1958-11-15 Taubert Bernard Pièce d'horlogerie présentant un dispositif de fixation du mouvement à la boîte
CH340192A (fr) 1957-07-23 1959-07-31 Simon John Montre
CH343939A (fr) 1958-12-27 1959-12-31 Ed Wenger S A Montre-bracelet
CH356411A (fr) * 1959-08-13 1961-08-15 Gabus Freres Usine Safir S A Boîte de montre
CH420999A (fr) 1963-11-15 1967-03-31 Piquerez Sa Ervin Boîte de montre étanche de forme
CH427658A (fr) 1964-10-16 1967-07-14 Gabus Freres Usine Safir S A Boîte de montre de forme carrée
CH641366A4 (de) 1966-05-03 1968-02-15
DE1523843A1 (de) 1965-05-06 1969-07-10 Jean Steimann Dichtes Uhrengehaeuse
CH556566A (de) 1971-06-24 1974-11-29
US3911669A (en) 1973-04-04 1975-10-14 Kienhofer & Moog Gmbh Kg Watch construction
CH569317B5 (de) 1973-02-20 1975-11-14 Bielna Fabrique De Boites Sa
CH577702B5 (de) 1974-07-03 1976-07-15 Bourquard Sa
CH580295B5 (de) 1970-09-26 1976-09-30 Suwa Seikosha Kk
CH610469B5 (en) 1973-12-21 1979-04-30 Seiko Instr & Electronics Watch comprising a three-part case
EP0106806A1 (de) 1982-10-11 1984-04-25 Michel Ratajski Verfahren zur Herstellung eines äusseren Uhrenteiles und durch dieses Verfahren hergestelltes Teil
EP0150746A2 (de) 1984-01-26 1985-08-07 Montres Rado S.A. Uhrengehäuse
GB2157029A (en) 1984-03-30 1985-10-16 Citizen Watch Co Ltd Thin plate cover for watch case
EP0221492A2 (de) 1985-11-04 1987-05-13 Asulab S.A. Gegenstand mit Verschleissschutzschicht aus Edelmetall
CH667966GA3 (en) 1987-02-18 1988-11-30 Sealed wrist watch casing - has plastic body and precious metal surround with e.g. gold restricted to part of watch thickness
US4805776A (en) * 1987-10-21 1989-02-21 Tenba, Inc. Air case
EP0374669A1 (de) 1988-12-21 1990-06-27 Eta SA Fabriques d'Ebauches Vorrichtung zur Herstellung eines Kupferuhrengehäuses
EP0378125A1 (de) * 1989-01-13 1990-07-18 Eta SA Fabriques d'Ebauches Uhrengehäuse und eine mit einem solchen Gehäuse versehene Uhr
EP0379974A1 (de) 1989-01-23 1990-08-01 Omega SA Uhrengehäuse mit einem hohlen Mittelteil
CH681414A5 (en) 1991-10-10 1993-03-31 Gold watch case strengthened by composite plastic structure - has plastic structure moulded or injected e.g. with carbon fibre reinforcement onto metallic portion of case
EP0600389A1 (de) * 1992-12-02 1994-06-08 SMH Management Services AG Uhrengehäuse mit einem ausgehöhlten Mittelteil
EP0626625A1 (de) 1993-05-28 1994-11-30 Claude-André Marthe Uhrengehäuse aus Edelmetall

Patent Citations (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH67165A (de) 1914-01-14 1914-11-16 Aeg Einrichtung zum selbsttätigen Regeln parallel arbeitender, unabhängig voneinander erregter Generatoren oder Generatorengruppen auf proportionale Belastungsverteilung
CH71873A (fr) 1915-03-20 1916-04-17 Courvoisier & Co L Boîte de montre
CH70926A (de) 1915-07-27 1915-11-16 Aegler S A Rolex Watch Co Aegl Uhr
CH72077A (fr) 1915-10-02 1916-04-01 Meyer & Stuedeli Dispositif aux montres pour fixer le mouvement dans la boîte
CH79203A (fr) 1918-10-03 1918-10-16 Boites La Centrale Fab De Boîte de montre
CH189190A (fr) 1936-05-11 1937-02-15 Schmitz Freres & Co S A Boîte de montre-bracelet.
CH214659A (fr) 1939-12-22 1941-05-15 Colomb Henri Boîte de montre-bracelet.
CH229555A (fr) 1941-05-07 1943-10-31 Colomb Henri Boîte de montre étanche.
CH220794A (fr) 1941-05-07 1942-04-30 Colomb Henri Boîte de montre étanche.
CH295434A (fr) * 1951-06-23 1953-12-31 Ebosa Sa Dispositif de fixation d'un mouvement dans une boîte de montre.
CH299612A (fr) 1951-07-10 1954-06-15 Cipras Moulding S A Montre avec cache-poussière.
CH333999A (fr) 1956-11-09 1958-11-15 Taubert Bernard Pièce d'horlogerie présentant un dispositif de fixation du mouvement à la boîte
CH340192A (fr) 1957-07-23 1959-07-31 Simon John Montre
CH343939A (fr) 1958-12-27 1959-12-31 Ed Wenger S A Montre-bracelet
CH356411A (fr) * 1959-08-13 1961-08-15 Gabus Freres Usine Safir S A Boîte de montre
CH420999A (fr) 1963-11-15 1967-03-31 Piquerez Sa Ervin Boîte de montre étanche de forme
CH427658A (fr) 1964-10-16 1967-07-14 Gabus Freres Usine Safir S A Boîte de montre de forme carrée
DE1523843A1 (de) 1965-05-06 1969-07-10 Jean Steimann Dichtes Uhrengehaeuse
CH641366A4 (de) 1966-05-03 1968-02-15
CH580295B5 (de) 1970-09-26 1976-09-30 Suwa Seikosha Kk
CH556566A (de) 1971-06-24 1974-11-29
CH569317B5 (de) 1973-02-20 1975-11-14 Bielna Fabrique De Boites Sa
US3911669A (en) 1973-04-04 1975-10-14 Kienhofer & Moog Gmbh Kg Watch construction
CH610469B5 (en) 1973-12-21 1979-04-30 Seiko Instr & Electronics Watch comprising a three-part case
CH577702B5 (de) 1974-07-03 1976-07-15 Bourquard Sa
EP0106806A1 (de) 1982-10-11 1984-04-25 Michel Ratajski Verfahren zur Herstellung eines äusseren Uhrenteiles und durch dieses Verfahren hergestelltes Teil
EP0150746A2 (de) 1984-01-26 1985-08-07 Montres Rado S.A. Uhrengehäuse
GB2157029A (en) 1984-03-30 1985-10-16 Citizen Watch Co Ltd Thin plate cover for watch case
EP0221492A2 (de) 1985-11-04 1987-05-13 Asulab S.A. Gegenstand mit Verschleissschutzschicht aus Edelmetall
CH667966GA3 (en) 1987-02-18 1988-11-30 Sealed wrist watch casing - has plastic body and precious metal surround with e.g. gold restricted to part of watch thickness
US4805776A (en) * 1987-10-21 1989-02-21 Tenba, Inc. Air case
EP0374669A1 (de) 1988-12-21 1990-06-27 Eta SA Fabriques d'Ebauches Vorrichtung zur Herstellung eines Kupferuhrengehäuses
EP0378125A1 (de) * 1989-01-13 1990-07-18 Eta SA Fabriques d'Ebauches Uhrengehäuse und eine mit einem solchen Gehäuse versehene Uhr
US4995023A (en) 1989-01-13 1991-02-19 Eta Sa Fabriques D'ebauches Watchcase and watch provided with such case
EP0379974A1 (de) 1989-01-23 1990-08-01 Omega SA Uhrengehäuse mit einem hohlen Mittelteil
CH681414A5 (en) 1991-10-10 1993-03-31 Gold watch case strengthened by composite plastic structure - has plastic structure moulded or injected e.g. with carbon fibre reinforcement onto metallic portion of case
EP0600389A1 (de) * 1992-12-02 1994-06-08 SMH Management Services AG Uhrengehäuse mit einem ausgehöhlten Mittelteil
EP0626625A1 (de) 1993-05-28 1994-11-30 Claude-André Marthe Uhrengehäuse aus Edelmetall

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1065576A1 (de) * 1999-06-29 2001-01-03 The Swatch Group Management Services AG Chronographuhr aus Edelmetall mit einem ausgehöhlten Glasreif-Mittelteil
US6315443B1 (en) 1999-06-29 2001-11-13 The Swatch Group Management Services Ag Precious metal chronograph watch with a hollowed middle part-bezel
EP1450218A1 (de) * 2003-02-20 2004-08-25 Richemont International S.A. Vorrichtung und Verfahren für die Festlegung eines Kalibers auf einem Gehäusering
US20150346692A1 (en) * 2014-06-03 2015-12-03 The Swatch Group Research And Development Ltd Device for assembling a casing ring in a watch case middle
US9921549B2 (en) * 2014-06-03 2018-03-20 The Swatch Group Research And Development Ltd Device for assembling a casing ring in a watch case middle
EP2977835A1 (de) * 2014-07-21 2016-01-27 The Swatch Group Research and Development Ltd. Schweißen durch Elektroformen des Gehäuses einer elektrogeformten Uhr
US9719182B2 (en) 2014-07-21 2017-08-01 The Swatch Group Research And Development Ltd Electroform welding of an electroformed timepiece shell
TWI657321B (zh) * 2014-07-21 2019-04-21 瑞士商史華曲集團研發有限公司 時計和用於製造電鑄結構式時計零組件的方法
CN109782566A (zh) * 2017-11-13 2019-05-21 劳力士有限公司 用于在表壳中固定时钟机芯的系统
CN109782566B (zh) * 2017-11-13 2022-05-24 劳力士有限公司 用于在表壳中固定时钟机芯的系统

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EP0716360B1 (de) 2001-09-26

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