EP0091683A1 - Water-resistant watch case - Google Patents

Water-resistant watch case Download PDF

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Publication number
EP0091683A1
EP0091683A1 EP83103485A EP83103485A EP0091683A1 EP 0091683 A1 EP0091683 A1 EP 0091683A1 EP 83103485 A EP83103485 A EP 83103485A EP 83103485 A EP83103485 A EP 83103485A EP 0091683 A1 EP0091683 A1 EP 0091683A1
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EP
European Patent Office
Prior art keywords
glass
flange
watch case
ring
crystal
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
EP83103485A
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German (de)
French (fr)
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EP0091683B1 (en
Inventor
Gaston Gagnebin
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Omega SA
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Omega SA
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Publication date
Application filed by Omega SA filed Critical Omega SA
Publication of EP0091683A1 publication Critical patent/EP0091683A1/en
Application granted granted Critical
Publication of EP0091683B1 publication Critical patent/EP0091683B1/en
Expired legal-status Critical Current

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    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a waterproof watch case comprising a middle part, a flange surmounting the middle part and a crystal resting on the flange.
  • the waterproof watch described therein is provided with a bezel which is fixed to the upper face of the middle part by fixing feet.
  • the frame bezel has claws distributed on opposite sides of the frame so as to press on at least two bevelled faces of the glass and to press the latter against a seal.
  • this arrangement also does not allow construction edge to edge of the glass on the middle.
  • Figure 1 shows a first alternative embodiment of the box according to the invention.
  • a ring 2 On the middle part are mounted in superposition a ring 2 forming a flange and a crystal 3.
  • a seal 4 which is held in place by a notch 13 formed under the ring 2.
  • the glass is glued to the ring and the operation is illustrated here by the traces of glue 5 and the tube 6.
  • openings 7 In the periphery of the glass are made openings 7 which are arranged opposite holes 8, 9 respectively drilled in the ring and the middle.
  • each of the claws 10 is provided with a threaded portion 11 placed under the element which overflows on the glass.
  • This tapped part engages in the opening 7 and, in the variant presented here, comes to bear on the upper face of the ring 2. For this to be so, it is naturally necessary that the height of the part tapped 11 is greater than the thickness of the ice. If this height exceeds only a few hundredths the thickness of the ice, we will have the illusion that it is the claw 10 which holds the ice in place.
  • the screw 12 In the tapped part 11 is screwed the screw 12, which passes through the holes 8 and 9 to finally fix the glass assembly 3, ring 2 and seal 4 on the middle part 1 by pressing the tapped part 11 on the ring 2.
  • the invention is not limited to an elongated and unclosed shape of the openings 7. These openings could be in the form of a hole provided that the configuration of the tapped part is adapted accordingly. We would then find the opening as it is provided in connection with FIG. 5 which will be discussed later.
  • FIG. 1 also shows the time-setting rod 16 which is introduced into the lateral opening 17.
  • Figure 2 is a section along line A - A of Figure 1. It shows how the various components of the housing look when they are assembled. There is a superposition of the middle part 1, the ring forming a flange 2, the crystal 3 and the claw 10. This assembly is held in place by the screw 12, the head 18 of which rests on a clearance 19 made in the underside of the middle part .
  • the screw 12 passes through the holes 9 and 8 drilled respectively in the middle part 1 and the ring 2 and is screwed into the tapped part 11 forming an integral part of the claw 10.
  • the figure shows that the height of the tapped part 11 is greater as the thickness of the glass 3 so that a small space 20 is formed between the claw and the glass.
  • the tapped part 11 thus presses directly on the ring 2 when the screw 12 is tightened, thereby indirectly fixing the glass to the box since said glass is glued to the ring itself tight against the build.
  • the seal is provided, on the one hand, by the lining 4 housed in the notch 13 formed on the underside of the ring and, on the other hand, by the glue interposed between the glass and the upper face of the 'ring.
  • the present invention provides for machining a groove 21 on the upper face of the ring 2.
  • This groove not only has the advantage of receiving the excess glue and thus preventing it from drooling on the inner edge of the ring, but also ensures a continuous sealing bead over the entire circumference formed by the groove.
  • the claws 10 give the assembly not only a new aesthetic appearance, but also a functional role of fixing between them the various elements making up the upper part of the box.
  • FIG. 3 which is a section along line B - B of FIG. 1 shows that the periphery 22 of the crystal 3 is very slightly set back from the periphery 24 of the middle part 1 and that there remains a rim 23 which surrounds the ice.
  • FIG. 4 is a construction variant derived from FIG. 3 where it can be seen that the periphery 22 of the crystal 3 is mounted edge to edge with the periphery 24 of the middle part 1.
  • Figures 3 and 4 show in sketch how the movement is mounted in the case.
  • the movement 25 is introduced through the bottom and the dial 26 abuts on the underside of the ring 2 forming a flange.
  • the enlargement circle 27 is then introduced and the whole is retained by flanges resting on millings and screwed to the movement.
  • the box is closed by a bottom 30 and sealed by means of the lining 31. This arrangement allows easy access to the movement and to the battery without having to dismantle the top of the box.
  • the first variant of the invention which has just been described is particularly suitable for boxes fitted with sapphire crystals.
  • the claws 10 were in direct contact with such a lens, there would first be a risk of the lens breaking when the screws 12 were tightened. Then, and above all, the lens would not withstand the shocks applied to it. non-uniform stresses caused by the point fixation provided by the claws.
  • Figure 5 shows a second variant of the watch case according to the invention. This construction differs from that described above by the fact that the claw 10 rests directly on the glass 3. Therefore, said construction will be reserved for a box equipped with a mineral glass glass, more elastic and therefore less sensitive to shock.
  • the flange 32 is made in one piece with the middle part 1 and the crystal 3 is pressed without gluing on the flange.
  • a seal 33 is stored between the glass and the flange in a housing 34.
  • the claw 10 is provided with a tapped portion 35 in the form of a barrel engaged not only in the opening 36 made in the glass, as was the case in the previous variant, but also in an opening 37 practiced in the flange and the middle.
  • a fairly large space is left between the lower end of the threaded portion 35 and the bottom of the opening 37 to allow the claw to bear directly on the glass when the screw 12 is tightened, the head 18 of which rests on clearance 19 made in the underside of the middle.
  • Figures 1, 2 and 5 show that the claw is arranged projecting around the circumference of the middle part. It is however obvious that we could conceive of another arrangement where this claw penetrates into the side of the middle to be flush with it.
  • FIG. 1 shows this metallization in the form of sectors 40 and of lines 41 which at the same time represent the hour markers. It is clear that any other form of decoration is possible.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Inorganic Insulating Materials (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Magnetic Treatment Devices (AREA)

Abstract

La boîte de montre comprend, superposés à la carrure (1), un joint d'étanchéité (4), un anneau formant réhaut (2) et une glace (3). L'ensemble ainsi formé est fixé à la carrure au moyen de griffes (10) qui mordent sur la glace et qui sont disposées sur le pourtour de la carrure. Les griffes sont munies d'une partie taraudée (11) qui est engagée dans une ouverture (7) pratiquée dans la périphérie de la glace et qui reçoit une vis (12) dont la tête (18) s'appuie sur un dégagement pratiqué dans le dessous de carrure. L'invention concerne une boîte de montre étanche pour pièce d'horlogerie.The watch case comprises, superimposed on the middle part (1), a seal (4), a ring forming a flange (2) and a crystal (3). The assembly thus formed is fixed to the middle by means of claws (10) which bite on the glass and which are arranged around the circumference of the middle. The claws are provided with a threaded part (11) which is engaged in an opening (7) made in the periphery of the glass and which receives a screw (12) whose head (18) rests on a clearance made in the underside. The invention relates to a waterproof watch case for a timepiece.

Description

La présente invention est relative à une boîte de montre étanche comprenant une carrure, un réhaut surmontant la carrure et une glace s'appuyant sur le réhaut.The present invention relates to a waterproof watch case comprising a middle part, a flange surmounting the middle part and a crystal resting on the flange.

Plusieurs constructions de boîtes de montre étanche ont déjà été proposées qui se réclament de la définition générique qui vient d'être donnée. Si l'on se reporte par exemple au brevet US 3,729,924 on trouve une glace fixée au moyen d'un adhérent sur un anneau formant réhaut. Entre l'anneau et la carrure est disposée une garniture d'étanchéité. L'anneau possède une échancrure dans laquelle vient mordre une lunette qui est fixée à la carrure au moyen de vis dont les têtes s'appuyent sur des logements pratiqués dans le dessous de carrure. Quand on serre lesdites vis, on comprime la garniture d'étanchéité, ce qui rend étanche la boîte de montre.Several constructions of waterproof watch cases have already been proposed which claim the generic definition which has just been given. If we refer for example to US Patent 3,729,924 there is a lens fixed by means of an adherent on a ring forming a flange. A seal is placed between the ring and the middle part. The ring has a notch in which comes to bite a telescope which is fixed to the middle by means of screws whose heads rest on housings made in the underside of the middle. When these screws are tightened, the packing is compressed, which makes the watch case waterproof.

Si cette construction donne une solution satisfaisante au problème de l'étanchéité de la boîte de montre, elle n'est pas applicable aux boîtes de configuration moderne où l'on désire un montage bord à bord de la glace sur la carrure. En effet, la lunette qui y est prévue présente une certaine largeur et déborde naturellement de la glace, ce qui interdit l'aspect esthétique dont on vient de parler.If this construction gives a satisfactory solution to the problem of the watertightness of the watch case, it is not applicable to modern configuration cases where it is desired to mount the glass edge to edge on the middle. Indeed, the bezel provided therein has a certain width and naturally overflows from the glass, which prohibits the aesthetic aspect which we have just spoken of.

On peut en dire autant du brevet FR 2 251 044 cité dans le rapport de recherche. La montre étanche qui y est décrite est pourvue d'une lunette qui est fixée sur la face supérieure de la carrure par des pieds de fixation. La lunette formant cadre possède des griffes réparties sur des côtés opposés du cadre de manière à appuyer sur au moins deux faces biseautées du verre et à presser ce dernier contre une garniture d'étanchéité. Cependant, cette disposition ne permet pas non plus une construction bord à bord de la glace sur la carrure.The same can be said of patent FR 2 251 044 cited in the research report. The waterproof watch described therein is provided with a bezel which is fixed to the upper face of the middle part by fixing feet. The frame bezel has claws distributed on opposite sides of the frame so as to press on at least two bevelled faces of the glass and to press the latter against a seal. However, this arrangement also does not allow construction edge to edge of the glass on the middle.

C'est le but de la présente invention de proposer une boite de montre étanche où la glace est attachée à la boite par des griffes de la même manière qu'une pierre précieuse est sertie sur sa monture et ceci selon des moyens qui apparaissent dans les revendications.It is the object of the present invention to provide a waterproof watch case where the crystal is attached to the box by claws in the same way that a precious stone is set on its frame. and this by means which appear in the claims.

L'invention sera comprise maintenant à l'aide de la description qui suit et qui donne des exemples de réalisation de l'invention pour l'intelligence de laquelle on se référera aux dessins dans lesquels :

  • La figure 1 est une vue éclatée en perspective d'une boite de montre selon une première variante de l'invention.
  • La figure 2 est une vue en coupe selon la ligne A - A de la figure 1.
  • La figure 3 est une vue en coupe selon la ligne B - B de la figure 1.
  • La figure 4 est une variante de construction dérivée de la figure 3.
  • La figure 5 est une vue en coupe d'une seconde variante de l'invention.
The invention will now be understood with the aid of the description which follows and which gives examples of embodiment of the invention for the understanding of which reference will be made to the drawings in which:
  • Figure 1 is an exploded perspective view of a watch case according to a first variant of the invention.
  • Figure 2 is a sectional view along line A - A of Figure 1.
  • Figure 3 is a sectional view along line B - B of Figure 1.
  • FIG. 4 is a construction variant derived from FIG. 3.
  • Figure 5 is a sectional view of a second variant of the invention.

Dans toutes les figures présentées ici, on a utilisé les mêmes chiffres de références pour les composants désignant les mêmes éléments.In all the figures presented here, the same reference numbers have been used for the components designating the same elements.

La figure 1 montre une première variante d'exécution de la boîte selon l'invention. Sur la carrure 1 sont montés en superposition un anneau 2 formant réhaut et une glace 3. On dispose entre la carrure et l'anneau une garniture d'étanchéité 4 qui est maintenue en place par une échancrure 13 pratiquée sous l'anneau 2. La glace est collée sur l'anneau et l'opération est illustrée ici par les traces de colle 5 et le tube 6. Dans la périphérie de la glace sont pratiquées des ouvertures 7 qui se trouvent disposées en regard de forures 8, 9 percées respectivement dans l'anneau et la carrure. Quand l'ensemble formé par la glace et l'anneau est déposé sur la carrure, on met en place les griffes 10. Comme on le voit sur la figure, ces griffes, d'une part, débordent sur la glace et, d'autre part, sont disposées en saillie sur le pourtour de la carrure. Chacune des griffes 10 est pourvue d'une partie taraudée 11 placée sous l'élément qui déborde sur la glace. Cette partie taraudée s'engage dans l'ouverture 7 et, dans la variante présentée ici, vient s'appuyer sur la face supérieure de l'anneau 2. Pour qu'il en soit ainsi, il faut naturellement que la hauteur de la partie taraudée 11 soit plus grande que l'épaisseur de la glace. Si cette hauteur ne dépasse que de quelques centièmes l'épaisseur de la glace, on aura l'illusion que c'est la griffe 10 qui maintient la glace en place. Dans la partie taraudée 11 vient vissée la vis 12, laquelle traverse les forures 8 et 9 pour fixer finalement l'ensemble glace 3, anneau 2 et joint 4 sur la carrure 1 par appui de la partie taraudée 11 sur l'anneau 2.Figure 1 shows a first alternative embodiment of the box according to the invention. On the middle part are mounted in superposition a ring 2 forming a flange and a crystal 3. There is between the middle and the ring a seal 4 which is held in place by a notch 13 formed under the ring 2. The glass is glued to the ring and the operation is illustrated here by the traces of glue 5 and the tube 6. In the periphery of the glass are made openings 7 which are arranged opposite holes 8, 9 respectively drilled in the ring and the middle. When the assembly formed by the glass and the ring is placed on the middle part, the claws 10 are put in place. As can be seen in the figure, these claws, on the one hand, overlap the glass and, on the other hand, are arranged projecting around the circumference of the middle. Each of the claws 10 is provided with a threaded portion 11 placed under the element which overflows on the glass. This tapped part engages in the opening 7 and, in the variant presented here, comes to bear on the upper face of the ring 2. For this to be so, it is naturally necessary that the height of the part tapped 11 is greater than the thickness of the ice. If this height exceeds only a few hundredths the thickness of the ice, we will have the illusion that it is the claw 10 which holds the ice in place. In the tapped part 11 is screwed the screw 12, which passes through the holes 8 and 9 to finally fix the glass assembly 3, ring 2 and seal 4 on the middle part 1 by pressing the tapped part 11 on the ring 2.

L'invention n'est pas limitée à une forme allongée et non fermée des ouvertures 7. Ces ouvertures pourraient se présenter sous la forme d'un trou à condition qu'on adapte en conséquence la configuration de la partie taraudée. On retrouverait alors l'ouverture telle qu'elle est prévue à propos de la figure 5 qui sera discutée plus loin.The invention is not limited to an elongated and unclosed shape of the openings 7. These openings could be in the form of a hole provided that the configuration of the tapped part is adapted accordingly. We would then find the opening as it is provided in connection with FIG. 5 which will be discussed later.

Par le dessous de la carrure est introduit le mouvement 25. La boite est fermée par le fond 30. La figure 1 montre aussi la tige de mise à l'heure 16 qui est introduite dans l'ouverture latérale 17.The movement 25 is introduced from below the middle part. The box is closed by the bottom 30. FIG. 1 also shows the time-setting rod 16 which is introduced into the lateral opening 17.

La figure 2 est une coupe selon la ligne A - A de la figure 1. Elle montre comment se présentent les divers composants du boîtier quand ils sont assemblés. On retrouve en superposition la carrure 1, l'anneau formant réhaut 2, la glace 3 et la griffe 10. Cet ensemble est maintenu en place par la vis 12 dont la tête 18 s'appuie sur un dégagement 19 pratiqué dans le dessous de carrure. La vis 12 traverse les forures 9 et 8 percées respectivement dans la carrure 1 et l'anneau 2 et est vissée dans la partie taraudée 11 faisant partie intégrante de la griffe 10. La figure montre que la hauteur de la partie taraudée 11 est plus grande que l'épaisseur de la glace 3 de sorte qu'un petit espace 20 est ménagé entre la griffe et la glace. La partie taraudée 11 appuie ainsi directement sur l'anneau 2 lorsqu'on serre la vis 12, fixant ainsi indirectement la glace à la boîte puisque ladite glace est collée sur l'anneau lui-même serré contre la carrure. L'étanchéité est assurée, d'une part, par la garniture 4 logée dans l'échancrure 13 pratiquée sur la face inférieure de l'anneau et, d'autre part, par la colle interposée entre la glace et la face supérieure de l'anneau.Figure 2 is a section along line A - A of Figure 1. It shows how the various components of the housing look when they are assembled. There is a superposition of the middle part 1, the ring forming a flange 2, the crystal 3 and the claw 10. This assembly is held in place by the screw 12, the head 18 of which rests on a clearance 19 made in the underside of the middle part . The screw 12 passes through the holes 9 and 8 drilled respectively in the middle part 1 and the ring 2 and is screwed into the tapped part 11 forming an integral part of the claw 10. The figure shows that the height of the tapped part 11 is greater as the thickness of the glass 3 so that a small space 20 is formed between the claw and the glass. The tapped part 11 thus presses directly on the ring 2 when the screw 12 is tightened, thereby indirectly fixing the glass to the box since said glass is glued to the ring itself tight against the build. The seal is provided, on the one hand, by the lining 4 housed in the notch 13 formed on the underside of the ring and, on the other hand, by the glue interposed between the glass and the upper face of the 'ring.

Il est généralement difficile de disposer la colle en un écran homogène sur tout le tour de l'anneau. On a remarqué en effet que souvent elle se sépare en îlots lorsqu'on presse la glace sur l'anneau. Pour remédier à cet inconvénient, la présente invention prévoit d'usiner une saignée 21 sur la face supérieure de l'anneau 2. Cette saignée non seulement a l'avantage de recevoir le surplus de colle et d'éviter ainsi qu'elle ne bave sur la tranche intérieure de l'anneau, mais encore permet d'assurer un cordon d'étanchéité continu sur toute la circonférence formée par la saignée.It is generally difficult to arrange the glue in a homogeneous screen all around the ring. We have noticed that it often separates into islands when the ice is pressed onto the ring. To remedy this drawback, the present invention provides for machining a groove 21 on the upper face of the ring 2. This groove not only has the advantage of receiving the excess glue and thus preventing it from drooling on the inner edge of the ring, but also ensures a continuous sealing bead over the entire circumference formed by the groove.

De par l'arrangement qui vient d'être décrit, on comprendra que tout a été mis en oeuvre pour assurer une étanchéité parfaite de la boite de montre, du moins sur sa partie supérieure. Les griffes 10 confèrent à l'ensemble non seulement un aspect esthétique nouveau, mais encore un rôle fonctionnel de fixation entre eux des divers éléments composant la partie supérieure de la boîte.From the arrangement which has just been described, it will be understood that everything has been done to ensure perfect sealing of the watch case, at least on its upper part. The claws 10 give the assembly not only a new aesthetic appearance, but also a functional role of fixing between them the various elements making up the upper part of the box.

Bien que cela ne soit pas réservé exclusivement à ce type, l'arrangement décrit trouve surtout son application dans les boîtes de montre où le pourtour de la glace coïncide avec le pourtour de la carrure ou se trouve très légèrement en retrait de ce pourtour, puisque, dans ce cas, la lunette est inexistante et qu'on ne peut pas en tirer profit, comme cela est décrit dans le brevet US 3,729,924 déjà cité.Although this is not exclusively reserved for this type, the arrangement described finds its application especially in watch cases where the circumference of the crystal coincides with the circumference of the middle or is very slightly set back from this circumference, since , in this case, the telescope is nonexistent and cannot be taken advantage of, as described in US Pat. No. 3,729,924 already cited.

Pour illustrer cela, la figure 3 qui est une coupe selon la ligne B - B de la figure 1 montre que le pourtour 22 de la glace 3 se trouve très légèrement en retrait du pourtour 24 de la carrure 1 et que subsiste un rebord 23 qui entoure la glace. La figure 4 est une variante de construction dérivée de la figure 3 où l'on aperçoit que le pourtour 22 de la glace 3 est monté bord à bord avec le pourtour 24 de la carrure 1.To illustrate this, FIG. 3 which is a section along line B - B of FIG. 1 shows that the periphery 22 of the crystal 3 is very slightly set back from the periphery 24 of the middle part 1 and that there remains a rim 23 which surrounds the ice. FIG. 4 is a construction variant derived from FIG. 3 where it can be seen that the periphery 22 of the crystal 3 is mounted edge to edge with the periphery 24 of the middle part 1.

Les figures 3 et 4 montrent en esquisse comment est monté le mouvement dans la boîte. Le mouvement 25 est introduit par le fond et le cadran 26 vient buter sur la face inférieure de l'anneau 2 formant réhaut. On introduit ensuite le cercle d'agrandissement 27 et le tout est retenu par des brides s'appuyant dans des fraisages et vissées au mouvement. La boite est fermée par un fond 30 et rendue étanche au moyen de la garniture 31. Cette disposition permet d'avoir un accès facile au mouvement et à la pile sans devoir démonter le haut de la boite.Figures 3 and 4 show in sketch how the movement is mounted in the case. The movement 25 is introduced through the bottom and the dial 26 abuts on the underside of the ring 2 forming a flange. The enlargement circle 27 is then introduced and the whole is retained by flanges resting on millings and screwed to the movement. The box is closed by a bottom 30 and sealed by means of the lining 31. This arrangement allows easy access to the movement and to the battery without having to dismantle the top of the box.

La première variante de l'invention qui vient d'être décrite convient particulièrement aux boites équipées de glaces saphir. En effet, si les griffes 10 étaient en appui direct sur une telle glace, il y aurait d'abord risque de rupture de la glace au moment du serrage des vis 12. Ensuite et surtout la glace ne résisterait pas aux chocs appliqués sur elle suite aux contraintes non uniformes provoquées par la fixation ponctuelle apportée par les griffes. Le fait que la glace est collée sur tout le pourtour de l'anneau et que c'est l'anneau qui est fixé à la carrure par les griffes, répartit uniformément les contraintes et rend la glace infiniment plus résistante aux chocs. Des essais pratiques ont montré que pour une glace de 0,8 mm d'épaisseur il est possible d'appliquer un choc de 5'000 g sans qu'elle ne se brise si elle est fixée à la boite selon la construction préconisée par l'invention. Un tel résultat permettrait même de diminuer à 0,6 mm, voire moins, l'épaisseur de la glace, ceci dans le but de réduire encore la hauteur de la montre.The first variant of the invention which has just been described is particularly suitable for boxes fitted with sapphire crystals. In fact, if the claws 10 were in direct contact with such a lens, there would first be a risk of the lens breaking when the screws 12 were tightened. Then, and above all, the lens would not withstand the shocks applied to it. non-uniform stresses caused by the point fixation provided by the claws. The fact that the glass is glued around the entire periphery of the ring and that it is the ring which is fixed to the middle by the claws, distributes the stresses evenly and makes the glass infinitely more resistant to shocks. Practical tests have shown that for a glass of 0.8 mm thickness it is possible to apply a shock of 5,000 g without it breaking if it is fixed to the box according to the construction recommended by the 'invention. Such a result would even make it possible to reduce the thickness of the crystal to 0.6 mm or even less, with the aim of further reducing the height of the watch.

La figure 5 montre une seconde variante de la boite de montre selon l'invention. Cette construction se distingue de celle décrite ci-dessus par le fait que la griffe 10 s'appuie directement sur la glace 3. De ce fait, on réservera ladite construction à une boîte équipée d'une glace en verre minéral, plus élastique et donc moins sensible à l'effet de choc.Figure 5 shows a second variant of the watch case according to the invention. This construction differs from that described above by the fact that the claw 10 rests directly on the glass 3. Therefore, said construction will be reserved for a box equipped with a mineral glass glass, more elastic and therefore less sensitive to shock.

Dans cet arrangement, le réhaut 32 est fait d'une pièce avec la carrure 1 et la glace 3 est appuyée sans collage sur le réhaut. Une garniture d'étanchéité 33 est entreposée entre la glace et le réhaut dans un logement 34. La griffe 10 est munie d'une partie taraudée 35 en forme de canon engagée non seulement dans l'ouverture 36 pratiquée dans la glace, comme c'était le cas dans la variante précédente, mais encore dans une ouverture 37 pratiquée dans le réhaut et la carrure. On ménage un espace assez grand entre l'extrémité inférieure de la partie taraudée 35 et le fond de l'ouverture 37 pour permettre à la griffe de s'appuyer directement sur la glace quand on serre la vis 12 dont la tête 18 s'appuie sur le dégagement 19 pratiqué dans le dessous de carrure.In this arrangement, the flange 32 is made in one piece with the middle part 1 and the crystal 3 is pressed without gluing on the flange. A seal 33 is stored between the glass and the flange in a housing 34. The claw 10 is provided with a tapped portion 35 in the form of a barrel engaged not only in the opening 36 made in the glass, as was the case in the previous variant, but also in an opening 37 practiced in the flange and the middle. A fairly large space is left between the lower end of the threaded portion 35 and the bottom of the opening 37 to allow the claw to bear directly on the glass when the screw 12 is tightened, the head 18 of which rests on clearance 19 made in the underside of the middle.

On fera pour terminer quelques observations qui concernent à la fois les deux variantes de construction qui ont été décrites ici.Finally, we will make a few observations which concern both the two construction variants which have been described here.

Pour assurer une fixation correcte de la glace, on comprendra que deux griffes 10 au moins sont nécessaires qu'on disposera diamétralement l'une regardant l'autre. Dans l'exemple montré en figure 1, on a choisi une disposition par paires qui rappelle et continue les motifs utilisés pour la réalisation du bracelet (non représenté). On pourrait aussi avoir plusieurs griffes réparties à égale distance l'une de l'autre.To ensure correct fixing of the glass, it will be understood that at least two claws 10 are necessary which will be arranged diametrically, one looking at the other. In the example shown in FIG. 1, an arrangement in pairs has been chosen which recalls and continues the patterns used for the production of the bracelet (not shown). We could also have several claws distributed at equal distance from each other.

Les figures 1, 2 et 5 montrent que la griffe est disposée en saillie sur le pourtour de la carrure. Il est cependant évident qu'on pourrait concevoir une autre disposition où cette griffe pénètre dans le flanc de carrure pour être à fleur avec lui.Figures 1, 2 and 5 show that the claw is arranged projecting around the circumference of the middle part. It is however obvious that we could conceive of another arrangement where this claw penetrates into the side of the middle to be flush with it.

Pour cacher le réhaut, la glace présente une métallisation sur sa face inférieure. La figure 1 montre cette métallisation en forme de secteurs 40 et de traits 41 qui figurent en même temps les repères d'heure. Il est clair que toute autre forme de décoration est possible.To hide the flange, the glass has metallization on its underside. FIG. 1 shows this metallization in the form of sectors 40 and of lines 41 which at the same time represent the hour markers. It is clear that any other form of decoration is possible.

Claims (6)

1. Boite de montre étanche comprenant une carrure (1), un réhaut (2) surmontant la carrure et une glace (3) s'appuyant sur le réhaut, caractérisée par le fait qu'elle comporte au moins deux griffes (10) qui débordent sur la glace et qui sont disposées en saillie ou à fleur du pourtour de la carrure et que chacune des griffes est munie d'une partie taraudée (11) engagée dans une ouverture (7) pratiquée dans la périphérie de la glace, ladite partie taraudée étant adaptée pour recevoir une vis (12) dont la tête s'appuie sur un dégagement (19) pratiqué dans le dessous de carrure pour assurer la fixation de ladite glace sur ladite boite.1. Waterproof watch case comprising a middle part (1), a flange (2) surmounting the middle and a crystal (3) resting on the flange, characterized in that it comprises at least two claws (10) which protrude from the glass and which are arranged projecting or flush with the circumference of the middle part and that each of the claws is provided with a tapped part (11) engaged in an opening (7) formed in the periphery of the glass, said part tapped being adapted to receive a screw (12) whose head rests on a clearance (19) made in the underside of the middle to ensure the fixing of said glass on said box. 2. Boite de montre selon la revendication 1, caractérisée par le fait que la glace (3) est collée sur un anneau formant réhaut (2) et que l'ensemble ainsi formé est fixé à la carrure par appui de la partie taraudée (11) sur l'anneau, la hauteur de ladite partie taraudée étant choisie plus grande que l'épaisseur de la glace pour empêcher l'appui direct de la griffe sur la glace.2. Watch case according to claim 1, characterized in that the crystal (3) is glued to a ring forming a flange (2) and that the assembly thus formed is fixed to the middle by pressing the tapped part (11 ) on the ring, the height of said tapped portion being chosen to be greater than the thickness of the glass to prevent direct contact of the claw on the glass. 3. Boite de montre selon la revendication 2, caractérisée par le fait que la partie de l'anneau en contact avec la glace comporte une saignée (21) pour recevoir le surplus de colle.3. Watch case according to claim 2, characterized in that the part of the ring in contact with the crystal includes a groove (21) for receiving the excess glue. 4. Boîte de montre selon la revendication 2, caractérisée par le fait qu'elle comprend une garniture d'étanchéité (4) disposée entre l'anneau et la carrure.4. Watch case according to claim 2, characterized in that it comprises a seal (4) disposed between the ring and the middle part. 5. Boîte de montre selon la revendication 1, caractérisée par le fait que le réhaut (32) est fait d'une pièce avec la carrure (1), que la partie taraudée (35) est engagée en outre dans une ouverture (37) pratiquée dans le réhaut et la carrure et que la glace est fixée sur le réhaut par appui direct de la griffe sur la glace.5. Watch case according to claim 1, characterized in that the flange (32) is made in one piece with the middle part (1), that the threaded part (35) is further engaged in an opening (37) practiced in the flange and the middle part and the crystal is fixed on the flange by direct support of the claw on the glass. 6. Boite de montre selon la revendication 5, caractérisée par le fait qu'elle comprend une garniture d'étanchéité (33) disposée entre le réhaut et la glace.6. Watch case according to claim 5, characterized in that it comprises a seal (33) disposed between the flange and the glass.
EP83103485A 1982-04-13 1983-04-11 Water-resistant watch case Expired EP0091683B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8206703A FR2524992A1 (en) 1982-04-13 1982-04-13 WATCH WATCH BOX
FR8206703 1982-04-13

Publications (2)

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EP0091683A1 true EP0091683A1 (en) 1983-10-19
EP0091683B1 EP0091683B1 (en) 1986-10-08

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EP83103485A Expired EP0091683B1 (en) 1982-04-13 1983-04-11 Water-resistant watch case

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US (1) US4493562A (en)
EP (1) EP0091683B1 (en)
JP (1) JPS593287A (en)
KR (1) KR880000076B1 (en)
AU (1) AU558568B2 (en)
CA (1) CA1190755A (en)
DE (1) DE3366757D1 (en)
ES (1) ES279897Y (en)
FR (1) FR2524992A1 (en)
HK (1) HK95491A (en)

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WO2016146205A1 (en) * 2015-03-13 2016-09-22 Levitation AG Method for producing a watch glass having at least one gemstone
US11169488B2 (en) 2019-05-08 2021-11-09 Omega Sa Water-resistant watch case

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CH677576B5 (en) * 1989-11-30 1991-12-13 Tissot Sa
US20080267017A1 (en) * 2007-04-25 2008-10-30 Fuwausa Michelle J Novel watchcase assembly
JP5003373B2 (en) * 2007-09-14 2012-08-15 セイコーエプソン株式会社 clock
JP5742830B2 (en) * 2012-12-14 2015-07-01 カシオ計算機株式会社 Interior part positioning structure, timepiece, and interior part positioning method
EP3736644A1 (en) * 2019-05-08 2020-11-11 Omega SA Watertight watch case
EP4258065A1 (en) 2022-04-05 2023-10-11 ETA SA Manufacture Horlogère Suisse Method for assembling a glass with a watch case
CN115268250B (en) * 2022-08-05 2023-10-27 深圳市纳晶云实业有限公司 Waterproof adhesive deposite structure of LCD screen is dressed to intelligence

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WO2016146205A1 (en) * 2015-03-13 2016-09-22 Levitation AG Method for producing a watch glass having at least one gemstone
US11169488B2 (en) 2019-05-08 2021-11-09 Omega Sa Water-resistant watch case

Also Published As

Publication number Publication date
AU558568B2 (en) 1987-02-05
JPS644156B2 (en) 1989-01-24
DE3366757D1 (en) 1986-11-13
HK95491A (en) 1991-12-06
FR2524992A1 (en) 1983-10-14
EP0091683B1 (en) 1986-10-08
AU1344183A (en) 1983-10-20
CA1190755A (en) 1985-07-23
US4493562A (en) 1985-01-15
FR2524992B1 (en) 1985-04-26
KR880000076B1 (en) 1988-02-22
JPS593287A (en) 1984-01-09
KR840004497A (en) 1984-10-15
ES279897U (en) 1985-06-01
ES279897Y (en) 1986-01-16

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