EP0113641A1 - Watch case and method to manufacture the same - Google Patents

Watch case and method to manufacture the same Download PDF

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Publication number
EP0113641A1
EP0113641A1 EP83810599A EP83810599A EP0113641A1 EP 0113641 A1 EP0113641 A1 EP 0113641A1 EP 83810599 A EP83810599 A EP 83810599A EP 83810599 A EP83810599 A EP 83810599A EP 0113641 A1 EP0113641 A1 EP 0113641A1
Authority
EP
European Patent Office
Prior art keywords
watch case
opening
case according
synthetic material
coating
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Withdrawn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
EP83810599A
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German (de)
French (fr)
Inventor
Claude Ray
Walter Schaeren
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.)
Smh Suisse De Microelectronique Et D'horlo Ste
Original Assignee
Smh Suisse De Microelectronique Et D'horlogerie Sa Ste
GEN WATCH CO Ltd
Smh Suisse De Microelectronique Et D'horlogerie Sa Ste
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 Smh Suisse De Microelectronique Et D'horlogerie Sa Ste, GEN WATCH CO Ltd, Smh Suisse De Microelectronique Et D'horlogerie Sa Ste filed Critical Smh Suisse De Microelectronique Et D'horlogerie Sa Ste
Publication of EP0113641A1 publication Critical patent/EP0113641A1/en
Withdrawn legal-status Critical Current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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/081—Complete encasings for wrist or pocket watches also comprising means for hermetic sealing of the winding stem and crown

Definitions

  • the present invention relates to a watch case comprising a middle part carrying an internal coating of synthetic material, and at least one piece removably mounted in an opening of the middle part by means of a pressure device, as well as a manufacturing method. of such a watch case.
  • Swiss patent 616,808, as well as Swiss patent application 632,890 G describe watch cases, the middle of which is coated internally with a synthetic material, for example by an overmolding process, and which are provided with a bezel or a removable bottom, which can be put in place under the effect of a simple pressure.
  • the advantage of these constructions is that it makes it possible to simultaneously seal the middle part at all of its openings, in particular also at the level of the passage of the control rod, and also to ensure the elastic suspension of the movement.
  • the sealing of the opening provided for the bezel or the back could only be achieved by the radial compression of the inner lining flush around the opening, or its deformation by a skirt.
  • the present invention proposes a watch case of the aforementioned type, in which however the snap-fastening of the bottom and of the bezel, or of another removable part is achieved by a metal-metal contact of a classic type, but in which the seal remains despite everything ensured by the synthetic coating provided inside the middle.
  • Another object of the invention is to propose a method of manufacturing such a watch case.
  • the watch case 1 has a middle part 2, for example provided with horns 3, and coated internally with a synthetic material 4.
  • a bezel 5, in which is chased an ice cream 6, is sealingly mounted in an upper opening of the middle part 2, by means of a peripheral skirt 7, having a projecting lip 8 which compresses and deforms the synthetic material 4 inside the middle part 3.
  • a base 9 is removably mounted in an opening provided in the lower part of the middle part 2, for example for replacing the battery of a movement 10, put in place by its upper opening and carrying a dial 11.
  • the watch case is sealed at its lower opening by means of a bead of synthetic material 12 formed around the periphery of the lower opening, and which is compressed axially due to the 'hooking of the surface 17 of a skirt 13 formed at the inner periphery of the bottom 9 with a hooking surface 14, inclined, formed in the side walls 16 of the lower opening.
  • passages 15 are provided in the middle part, and they allow the synthetic material to flow at the time of its installation inside the middle towards the periphery of the lower opening to thus form a sealing bead connected to the internal coating by portions of synthetic material passing through the passages 15.
  • the passages 15 may consist of vertical grooves made in the side walls of the lower opening, and separated by zones of uncoated walls 14, on which the attachment of the skirt will be exerted. bottom device.
  • the grooves 15 can be of substantially prismatic section, as shown, but also semi-circular or of any other shape. easy to machine.
  • the coating 4 extends radially inwards above the areas of uncoated walls 14, to form an elastic support 18 which laterally maintains the clockwork movement 10, and vertically its dial 11.
  • the dimensions of the skirt 13 are defined so as to leave only a small spacing, of 0.05 to 0.1 mm approximately, between the surfaces facing the skirt and the movement.
  • the internal coating 4 which forms a part with the cord 12 due to the presence of the passages 15, is put in place according to a known method, overmolding by example. Then, the attachment surface of the skirt 13, of conical shape, is formed by simultaneously machining the synthetic material contained in the grooves 15, and the uncoated areas 14.
  • An important advantage of this solution is that it makes it possible to form the coating. interior 4 when the side walls of the lower opening are still cylindrical, which allows passage through the opening of the box of the mold used for the formation of the coating
  • FIG 2 there is shown the box of Figure 1 in a section passing through the axis of the control rod 20 of the movement. To put the passage of the latter, the corresponding parts of the skirt 7 of the bezel 5, and of the skirt 13 of the bottom 9 are removed.
  • FIG. 3 represents a top view of a portion of the middle part, around the lower opening, and before the formation of the coating 4.
  • the dotted line 21 represents the outer surface of the coating zone forming the projection 18.
  • the grooves 15 could be replaced by holes, of sufficient dimensions, crossing the zone of the middle located behind the surface of snap 14, in which case it would be continuous.
  • the box represented in FIG. 4 differs from that of FIG. 2 by the fact that both the skirt 7 of the bezel 5 and the skirt 13 of the base 9 are supported on hooking surfaces 22, respectively 14 that the middle part has 2.

Abstract

The watch case comprising a middle (2) containing a lining (4) and a back (9) detachably mounted in a lower opening of the middle by means of a pressure device. A band (12) of synthetic material constituting a seal is formed on the periphery of the opening, that band being made in one piece with the lining and connected to it by portions of synthetic material crossing appropriate passages (15) of the middle. The side walls (16) of the opening are at least partially devoid of lining and they work together with opposite surfaces (17) of the back in order to assure pressure coupling of the latter and compression of the band (12).

Description

La présente invention concerne une boite de montre comprenant une carrure portant un revêtement intérieur en matière synthétique, et au moins une pièce montée de manière amovible dans une ouverture de la carrure au moyen d'un dispositif à pression, ainsi qu'un procédé de fabrication d'une telle boite de montre.The present invention relates to a watch case comprising a middle part carrying an internal coating of synthetic material, and at least one piece removably mounted in an opening of the middle part by means of a pressure device, as well as a manufacturing method. of such a watch case.

Le brevet suisse 616 808, ainsi que la demande de brevet suisse 632 890 G décrivent des boites de montres dont la carrure est revêtue intérieurement d'une matière synthétique, par exemple par un procédé de surmoulage, et qui sont munies d'une lunette ou d'un fond amovible, et pouvant être mis en place sous l'effet d'une simple pression. L'intérêt de ces constructions est de permettre de réaliser simultanément l'étanchéité de la carrure au niveau de toutes ses ouvertures, notamment aussi au niveau du passage de la tige de commande, et également d'assurer la suspension élastique du mouvement. Toutefois, dans ces boites de montres connues, l'étanchéité de l'ouverture prévue pour la lunette ou le fond n'a pu être réalisée que par la compression radiale du revêtement intérieur affleurant autour de l'ouverture, ou sa déformation par une jupe à section en forme de crochet prévue sur la périphérie de la lunette ou du fond. Pour garantir une étanchéité parfaite, il s'est avéré nécessaire de prévoir une profondeur suffisante d'engagement de la lunette ou du fond à l'intérieur de la carrure, ce qui n'est pas toujours compatible avec les dimensions des pièces d'horlogerie extra-plates connues actuellement. En outre la retenue axiale du fond ou de la lunette et la compression qu'ils exercent sur le joint d'étanchéité ne sont pas aussi bonnes que pour les boites classiques, où par exemple la surface extérieure d'une jupe du fond ou de la lunette vient au contact d'une surface métallique inclinée de la carrure.Swiss patent 616,808, as well as Swiss patent application 632,890 G, describe watch cases, the middle of which is coated internally with a synthetic material, for example by an overmolding process, and which are provided with a bezel or a removable bottom, which can be put in place under the effect of a simple pressure. The advantage of these constructions is that it makes it possible to simultaneously seal the middle part at all of its openings, in particular also at the level of the passage of the control rod, and also to ensure the elastic suspension of the movement. However, in these known watch boxes, the sealing of the opening provided for the bezel or the back could only be achieved by the radial compression of the inner lining flush around the opening, or its deformation by a skirt. with hook-shaped section provided on the periphery of the telescope or the back. To guarantee a perfect seal, it has been necessary to provide a sufficient depth of engagement of the telescope or the back inside the middle, which is not always compatible with the dimensions of the ultra-thin timepieces currently known. Furthermore, the axial retention of the bottom or of the bezel and the compression which they exert on the seal are not as good as for conventional boxes, where for example the outer surface of a skirt of the bottom or of the bezel comes into contact with an inclined metal surface of the middle part.

C'est pourquoi, la présente invention propose une boite de montre du type précité, dans laquelle toutefois l'accrochage à pression du fond et de la lunette, ou d'une autre pièce amovible est réalisé par un contact métal-métal d'un type classique, mais dans laquelle l'étanchéité reste malgré tout assurée par le revêtement synthétique prévu à l'intérieur de la carrure.This is why, the present invention proposes a watch case of the aforementioned type, in which however the snap-fastening of the bottom and of the bezel, or of another removable part is achieved by a metal-metal contact of a classic type, but in which the seal remains despite everything ensured by the synthetic coating provided inside the middle.

Un autre but de l'invention est de proposer un procédé de fabrication d'une telle boite de montre.Another object of the invention is to propose a method of manufacturing such a watch case.

L'invention sera bien comprise à la lecture de la description suivante, faite en référence aux dessins joints, parmi lesquels:

  • - la figure 1 est une vue partielle en coupe d'une boîte de montre selon une première forme d'exécution de l'invention;
  • - la figure 2 est une vue en coupe partielle selon l'axe 12h - 6h de la boite de montre de la figure 1; et
  • - la figure 3 est une vue partielle de dessus de la carrure de la boite de montre des figures 1 et 2.
  • - la figure 4 est une vue partielle en coupe d'une boite de montre selon une deuxième forme d'exécution de l'invention.
The invention will be clearly understood on reading the following description, made with reference to the accompanying drawings, among which:
  • - Figure 1 is a partial sectional view of a watch case according to a first embodiment of the invention;
  • - Figure 2 is a partial sectional view along the axis 12h - 6h of the watch case of Figure 1; and
  • - Figure 3 is a partial top view of the middle of the watch case of Figures 1 and 2.
  • - Figure 4 is a partial sectional view of a watch case according to a second embodiment of the invention.

Comme on le voit au mieux à la figure 1, la boite de montre 1 comporte une carrure 2, munie par exemple de cornes 3, et revêtue intérieurement d'une matière synthétique 4. Dans le mode de réalisation présenté, une lunette 5, dans laquelle est chassée une glace 6, est montée de manière étanche dans une ouverture supérieure de la carrure 2, par l'intermédiaire d'une jupe périphérique 7, présentant une lèvre saillante 8 qui vient comprimer et déformer la matière synthétique 4 à l'intérieur de la carrure 3. En outre, un fond 9 est monté de manière amovible dans une ouverture prévue à la partie inférieure de la carrure 2, par exemple pour le remplacement de la pile d'un mouvement 10,mis en place par son ouverture supérieure et portant un cadran 11. Selon l'invention, l'étanchéité de la boîte de montre au niveau de son ouverture inférieure est réalisée au moyen d'un cordon de matière synthétique 12 formé sur le pourtour de l'ouverture inférieure, et qui se trouve comprimé axialement du fait de l'accrochage de la surface 17 d'une jupe 13 formée à la périphérie intérieure du fond 9 avec une surface d'accrochage 14, inclinée, formée dans les parois latérales 16 de l'ouverture inférieure. Pour permettre de réaliser une telle structure, et notamment de procéder à la formation du cordon 12 en même temps que l'on forme le revêtement intérieur 4, des passages 15 sont prévus dans la carrure, et ils permettent à la matière synthétique de s'écouler au moment de sa mise en place à l'intérieur de la carrure vers le pourtour de l'ouverture inférieure pour former ainsi un cordon d'étanchéité raccordé au revêtement intérieur par des portions de matière synthétique traversant les passages 15. Comme on le voit au mieux dans la figure 3, les passages 15 peuvent être constitués par des rainures verticales pratiquées dans les parois latérales de l'ouverture inférieure, et séparées par des zones de parois non revêtues 14, sur lesquelles s'exercera l'accrochage de la jupe périphérique du fond. Les rainures 15 peuvent être de section sensiblement prismatique, comme représenté, mais aussi semi-circulaire ou de tout autre forme facile à usiner. Par ailleurs, le revêtement 4 se prolonge radialement vers l'intérieur au-dessus des zones de parois non revêtues 14, pour former un appui élastique 18 qui maintient latéralement le mouvement d'horlogerie 10, et verticalement son cadran 11. De plus, pour limiter les possibilités de déplacement du mouvement 10 à l'intérieur de la boite de montre, les dimensions de la jupe 13 sont définies de manière à ne laisser subsister qu'un faible espacement, de 0,05 à 0,1mm environ, entre les surfaces en regard de la jupe et du mouvement.As best seen in Figure 1, the watch case 1 has a middle part 2, for example provided with horns 3, and coated internally with a synthetic material 4. In the embodiment presented, a bezel 5, in which is chased an ice cream 6, is sealingly mounted in an upper opening of the middle part 2, by means of a peripheral skirt 7, having a projecting lip 8 which compresses and deforms the synthetic material 4 inside the middle part 3. In addition , a base 9 is removably mounted in an opening provided in the lower part of the middle part 2, for example for replacing the battery of a movement 10, put in place by its upper opening and carrying a dial 11. According to the invention, the watch case is sealed at its lower opening by means of a bead of synthetic material 12 formed around the periphery of the lower opening, and which is compressed axially due to the 'hooking of the surface 17 of a skirt 13 formed at the inner periphery of the bottom 9 with a hooking surface 14, inclined, formed in the side walls 16 of the lower opening. To allow such a structure to be produced, and in particular to proceed with the formation of the bead 12 at the same time as the internal covering 4 is formed, passages 15 are provided in the middle part, and they allow the synthetic material to flow at the time of its installation inside the middle towards the periphery of the lower opening to thus form a sealing bead connected to the internal coating by portions of synthetic material passing through the passages 15. As can be seen at best in FIG. 3, the passages 15 may consist of vertical grooves made in the side walls of the lower opening, and separated by zones of uncoated walls 14, on which the attachment of the skirt will be exerted. bottom device. The grooves 15 can be of substantially prismatic section, as shown, but also semi-circular or of any other shape. easy to machine. Furthermore, the coating 4 extends radially inwards above the areas of uncoated walls 14, to form an elastic support 18 which laterally maintains the clockwork movement 10, and vertically its dial 11. In addition, for limit the possibilities of movement movement 10 inside the watch case, the dimensions of the skirt 13 are defined so as to leave only a small spacing, of 0.05 to 0.1 mm approximately, between the surfaces facing the skirt and the movement.

Selon un procédé particulier de fabrication de la boite de montre représentée dans la figure 1, le revêtement intérieur 4, qui forme une pièce avec le cordon 12 du fait de la présence des passages 15 est mis en place selon un procédé connu, le surmoulage par exemple. Ensuite, la surface d'accrochage de la jupe 13, de forme conique, est formée en usinant simultanément la matière synthétique contenue dans les rainures 15, et les zones non revêtues 14. Un avantage important de cette solution est de permettre de former le revêtement intérieur 4 lorsque les parois latérales de l'ouverture inférieure sont encore cylindriques, ce qui autorise le passage au travers de l'ouverture de la boite du moule utilisé pour la formation du revêtementAccording to a particular method of manufacturing the watch case shown in FIG. 1, the internal coating 4, which forms a part with the cord 12 due to the presence of the passages 15, is put in place according to a known method, overmolding by example. Then, the attachment surface of the skirt 13, of conical shape, is formed by simultaneously machining the synthetic material contained in the grooves 15, and the uncoated areas 14. An important advantage of this solution is that it makes it possible to form the coating. interior 4 when the side walls of the lower opening are still cylindrical, which allows passage through the opening of the box of the mold used for the formation of the coating

Dans la figure 2, on a représenté la boite de la figure 1 selon une coupe passant par l'axe de la tige de commande 20 du mouvement. Pour mettre le passage de cette dernière, les parties correspondantes de la jupe 7 de la lunette 5, et de la jupe 13 du fond 9 sont supprimées.In Figure 2, there is shown the box of Figure 1 in a section passing through the axis of the control rod 20 of the movement. To put the passage of the latter, the corresponding parts of the skirt 7 of the bezel 5, and of the skirt 13 of the bottom 9 are removed.

La figure 3 représente une vue de dessus d'une portion de la carrure, autour de l'ouverture inférieure, et avant la formation du revêtement 4. La ligne pointillée 21 représente la surface extérieure de la zone de revêtement formant la projection 18. Bien entendu, les rainures 15 pourraient être remplacées par des perçages, de dimensions suffisantes, traversant la zone de la carrure située derrière la surface d'accrochage 14, auquel cas celle-ci serait continue.FIG. 3 represents a top view of a portion of the middle part, around the lower opening, and before the formation of the coating 4. The dotted line 21 represents the outer surface of the coating zone forming the projection 18. Of course, the grooves 15 could be replaced by holes, of sufficient dimensions, crossing the zone of the middle located behind the surface of snap 14, in which case it would be continuous.

La boite représentée à la figure 4 diffère de celle de la figure 2 par le fait que aussi bien la jupe 7 de la lunette 5 que la jupe 13 du fond 9 prennent appui sur des surfaces d'accrochage 22, respectivement 14 que comporte la carrure 2.The box represented in FIG. 4 differs from that of FIG. 2 by the fact that both the skirt 7 of the bezel 5 and the skirt 13 of the base 9 are supported on hooking surfaces 22, respectively 14 that the middle part has 2.

Bien qu'elle ait été écrite en relation avec deux de ces modes de réalisations seulement, la présente invention ne s'y trouve nullement limitée, mais elle est au contraire susceptible de faire l'objet de nombreuses modifications et variantes qui apparaîtront à l'homme du métier.Although it was written in connection with only two of these embodiments, the present invention is in no way limited thereto, but is on the contrary liable to be the subject of numerous modifications and variants which will appear on skilled in the art.

Claims (7)

1. Boite de montre comprenant une carrure (2) portant un revêtement intérieur en matière synthétique (4) et au moins une pièce (9) montée de manière amovible dans une ouverture de la carrure au moyen d'un dispositif à pression, caractérisée en ce qu'un cordon (12) de matière synthétique constituant un joint d'étanchéité est formé sur le pourtour de l'ouverture, le revêtement et le cordon étant réalisés d'une pièce et raccordés par des portions de matière synthétique traversant des passages appropriés (15) de la carrure, et en ce que les parois latérales (16) de l'ouverture sont au moins partiellement exemptes de revêtement et forment une surface d'accrochage (14) collaborant avec une surface en regard (17) de la pièce amovible pour assurer l'accrochage à pression de celle-ci et la compression du cordon de matière synthétique.1. Watch case comprising a middle part (2) carrying an internal coating of synthetic material (4) and at least one part (9) removably mounted in an opening of the middle part by means of a pressure device, characterized in that a bead (12) of synthetic material constituting a seal is formed around the periphery of the opening, the covering and the bead being made in one piece and connected by portions of synthetic material passing through suitable passages (15) of the middle part, and in that the side walls (16) of the opening are at least partially free of coating and form a hooking surface (14) collaborating with a facing surface (17) of the part removable to ensure pressure snap and compression of the plastic bead. 2. Boite de montre selon la revendication 1, caractérisée en ce que les passages (15) sont constitués par des rainures verticales pratiquées dans les parois latérales de l'ouverture et séparées par des zones (14) de parois non revêtues.2. Watch case according to claim 1, characterized in that the passages (15) consist of vertical grooves made in the side walls of the opening and separated by zones (14) of uncoated walls. 3. Boite de montre selon l'une des revendications précédentes, caractérisée en ce que la pièce amovible est un fond (9).3. Watch case according to one of the preceding claims, characterized in that the removable part is a base (9). 4. Boite de montre selon l'une des revendications 1 ou 2, caractérisée en ce que la pièce est une lunette.4. Watch case according to one of claims 1 or 2, characterized in that the part is a bezel. 5. Boite de montre selon la revendication 3, caractérisée en ce que le revêtement se prolonge en porte-à-faux (18) radialement vers l'intérieur au-dessus des zones de parois non revêtues pour former un appui latéral pour un mouvement d'horlogerie (10) destiné à être placé dans la boite, et un appui vertical (11) pour son cadran.5. Watch case according to claim 3, characterized in that the coating extends in a cantilever (18) radially inward above the areas of uncoated walls to form a lateral support for a clockwork movement (10) intended to be placed in the box, and a vertical support (11) for its dial. 6. Boite de montre selon la revendication 3, caractérisée en ce que ledit fond comporte une jupe périphérique 13 dont les dimensions sont définies de manière à ne laisser subsister qu'un faible espacement entre les surfaces en regard de la jupe et d'un mouvement d'horlogerie (10) destiné à être placé dans la boite.6. Watch case according to claim 3, characterized in that said base comprises a peripheral skirt 13 whose dimensions are defined so as to leave only a small spacing between the facing surfaces of the skirt and of movement. clock (10) intended to be placed in the box. 7. Procédé de fabrication d'une boite de montre selon la revendication 2, caractérisé en ce que, après la formation du revêtement à l'intérieur de la carrure, les parois latérales de l'ouverture sont usinées de manière à former simultanément dans la matière synthétique contenue dans les rainures et les zones non revêtues une surface d'accrochage pour la pièce amovible.7. A method of manufacturing a watch case according to claim 2, characterized in that, after the formation of the coating inside the middle, the side walls of the opening are machined so as to simultaneously form in the synthetic material contained in the grooves and the uncoated areas an attachment surface for the removable part.
EP83810599A 1983-01-10 1983-12-16 Watch case and method to manufacture the same Withdrawn EP0113641A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH110/83 1983-01-10
CH11083A CH650896GA3 (en) 1983-01-10 1983-01-10

Publications (1)

Publication Number Publication Date
EP0113641A1 true EP0113641A1 (en) 1984-07-18

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EP83810599A Withdrawn EP0113641A1 (en) 1983-01-10 1983-12-16 Watch case and method to manufacture the same

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US (1) US4545688A (en)
EP (1) EP0113641A1 (en)
JP (1) JPS59136673A (en)
CH (1) CH650896GA3 (en)

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Publication number Priority date Publication date Assignee Title
EP0430113A1 (en) * 1989-11-30 1991-06-05 Tissot S.A. Watch-case for automatized mounting

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EP0210199A1 (en) * 1985-02-05 1987-02-04 MILLES, Victor Alexander Method for fabricating jewellery parts or wrist watches
CH681760B5 (en) * 1991-10-04 1993-11-30 Werthanor Sa seal.
CH685526B5 (en) * 1993-12-23 1996-02-15 Smh Management Services Ag Watchcase.
EP1182522A1 (en) * 2000-08-22 2002-02-27 Conseils et Manufactures VLG SA Assembling device
EP1906268A1 (en) * 2006-09-27 2008-04-02 Omega SA Watch case with a composite middle
US8038109B2 (en) * 2008-08-08 2011-10-18 Dale Frederick Ashford Amplifier mounted guitar stand

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CH632890B (en) * 1979-08-08 Gen Watch Co Ltd METHOD FOR MANUFACTURING A WATCH BOX AND WATCH BOX OBTAINED BY THIS PROCESS.
FR2017168A1 (en) * 1968-08-19 1970-05-22 Bley Roland

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CA447373A (en) * 1948-03-23 Steimann Hans Watertight watchcase
CH72292A (en) * 1915-11-28 1916-05-01 J Breguet Breting Fils De Watch box
GB721920A (en) * 1952-07-17 1955-01-12 Charles Jules Juillerat Waterproof shock-absorbing watch case
CH376436A (en) * 1962-04-19 1964-05-15 Lapidor Sa Timepiece
CH472719A (en) * 1966-10-14 1969-06-30 Steimann Jean Waterproof watch box
CH626494GA3 (en) * 1977-08-23 1981-11-30 Waterproof watch case
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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
FR2017168A1 (en) * 1968-08-19 1970-05-22 Bley Roland
CH632890B (en) * 1979-08-08 Gen Watch Co Ltd METHOD FOR MANUFACTURING A WATCH BOX AND WATCH BOX OBTAINED BY THIS PROCESS.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430113A1 (en) * 1989-11-30 1991-06-05 Tissot S.A. Watch-case for automatized mounting
CH677576GA3 (en) * 1989-11-30 1991-06-14

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CH650896GA3 (en) 1985-08-30
JPS59136673A (en) 1984-08-06
US4545688A (en) 1985-10-08

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