EP1151357A1 - Method for fixing a crown screwed on a watch case and watch case equipped with same - Google Patents

Method for fixing a crown screwed on a watch case and watch case equipped with same

Info

Publication number
EP1151357A1
EP1151357A1 EP00991146A EP00991146A EP1151357A1 EP 1151357 A1 EP1151357 A1 EP 1151357A1 EP 00991146 A EP00991146 A EP 00991146A EP 00991146 A EP00991146 A EP 00991146A EP 1151357 A1 EP1151357 A1 EP 1151357A1
Authority
EP
European Patent Office
Prior art keywords
crown
box
tube
watch case
logo
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
EP00991146A
Other languages
German (de)
French (fr)
Other versions
EP1151357B1 (en
Inventor
Roger Ecoffet
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.)
KS 22 SA
Original Assignee
KS 22 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 KS 22 SA filed Critical KS 22 SA
Publication of EP1151357A1 publication Critical patent/EP1151357A1/en
Application granted granted Critical
Publication of EP1151357B1 publication Critical patent/EP1151357B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • 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
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/103—Hermetic sealing of openings, joints, passages or slits of winding stems by screwing the crown onto the case

Definitions

  • the present invention relates to a method of mounting a screw-down crown, such as a winding crown, on a watch case.
  • the invention relates to such a mounting method making it possible to index the position of a screw-down crown on a watch case so that a logo affixed to one face of said crown is always easily brought back to a determined position or orientation. after the crown has been unscrewed.
  • the invention also relates to a watch case provided with a screwed crown comprising a logo in which the logo is oriented in a determined manner.
  • a watch case provided with a screwed crown comprising a logo in which the logo is oriented in a determined manner.
  • the manufacture and assembly of crowns screwed onto watch cases are well known.
  • the methods of mounting these crowns have a significant drawback.
  • the known mounting methods do not make it possible to ensure that the crown is brought back in a determined orientation relative to the case after it has been unscrewed, which considerably affects the aesthetics of the case when a mark or a logo is affixed to one side of the crown. This situation is of course unacceptable when these crowns are fitted to luxury and high quality products.
  • the main object of the present invention is to remedy the drawbacks of the aforementioned prior art by providing a simple and economical method for mounting a crown comprising a logo or a mark, which systematically allows the crown to be brought back by screwing into a position. or a specific orientation after it has been unscrewed.
  • the subject of the invention is a method of mounting a screw-down crown on a watch case, characterized in that it comprises the following steps:
  • crown having an internal thread indexed with respect to a logo placed on the front face of the crown;
  • the mounting of the crown with indexed thread includes the following steps:
  • the invention also relates to a watch case comprising a screwed crown provided with an internal thread, the front face of said crown comprising a logo or a brand, an intermediate tube comprising an external threaded section intended to receive said thread, said intermediate tube being fixedly mounted in the box, the latter being characterized in that the internal thread of the crown is indexed relative to the logo or the brand and in that the intermediate tube is mounted in the box so that it can be angularly oriented relative to the box and fixed on the box in a determined angular position
  • the crown comprises on the side opposite to said front face an annular groove in which is fixedly mounted a ring provided with an internal thread.
  • the ring is welded to the crown.
  • the intermediate tube is mounted in a smooth hole in the box and is made integral with the box by means of a nut.
  • FIG. 2 shows an exploded view of the crown before the implementation of the method of the invention.
  • the screwed crown 1 comprises a first part formed by a head 3 having a front face 4 on which is affixed a logo or a mark 5 which, in the screwed position of this crown, has an angular orientation determined relative to the case 2 This first part is connected to the movement in a classic way.
  • the head 3 is provided on the side opposite to the front face 4 with an annular groove 7 which receives an internally threaded ring 8.
  • the ring 8 is positioned in the groove 7 using a template (not shown) in a way to index said thread 9 relative to the logo 5 and is immobilized in the groove 7 in said indexed position.
  • the indexing operation is preferably carried out using a camera and the immobilization is carried out by a welding operation, for example laser welding.
  • the logo 5 therefore has a determined and known angular position relative to the entry of the internal thread 9.
  • the crown further comprises a second part connected to the box 2. This second part comprises an intermediate tube 10 and a nut 11 intended to immobilize the tube 10 in a determined angular position on the box 2.
  • the tube 10 comprises two externally threaded sections 12 and 13 which cooperate respectively with the nut 11 and the indexed thread 9.
  • the tube 10 is mounted freely in a through hole 14 smooth of the box.
  • the tube 10 is then wedged using a template (not shown) to arrange the inlet of the thread 13 in an angular position such that when the crown 1 is screwed in abutment on the tube 10 said logo 5 is located in an angular position determined with respect to the box.
  • a template not shown
  • the crown can already be fully screwed onto the tube 10 during its positioning, the indexing then takes place not on the entry of the thread 13 but directly on the orientation of the logo before the tube 10 is blocked. using nut 11.

Abstract

The invention concerns a method for assembling a screwed crown on a watch case, characterized in that it includes the following steps: providing a crown with an inner threading the position of which is set with respect to the logo arranged on the front face of the crown; providing an intermediate tube including two threaded sections; mounting said intermediate tube in a smooth through hole passing through the case and wedging it on an assembling jig to arrange the thread start of the tube intended to accommodate the internal screw thread of the crown in an angular position such that when the crown is screwed as far as possible onto the tube said logo or said mark is located in a determined position; providing a nut and immobilizing the tube in said angular position.

Description

PROCEDE DE MONTAG E D'UNE COURONN E VI SSEE SU R UNE BOITE D E MONTRE ET BOITE DE MONTRE MU N I E D'U N E TELLE COURON NE PROCESS FOR MOUNTING A CROWN VI SSEE ON A WATCH BOX AND MU N I WATCH BOX OF SUCH A CROWN
La présente invention concerne un procédé de montage d'une couronne vissée, telle qu'une couronne de remontoir, sur une boîte de montre.The present invention relates to a method of mounting a screw-down crown, such as a winding crown, on a watch case.
Plus particulièrement l'invention concerne un tel procédé de montage permettant d'indexer la position d'une couronne vissée sur une boite de montre afin qu'un logo apposé sur une face de ladite couronne se trouve toujours ramené aisément dans une position ou orientation déterminée après que la couronne ait été dévissée.More particularly, the invention relates to such a mounting method making it possible to index the position of a screw-down crown on a watch case so that a logo affixed to one face of said crown is always easily brought back to a determined position or orientation. after the crown has been unscrewed.
L'invention concerne également une boîte de montre munie d'une couronne vissée comportant un logo dans laquelle le logo est orienté de façon déterminée. La fabrication et le montage de couronnes vissées sur des boites de montre sont bien connus. Toutefois, les procédés de montage de ces couronnes présentent un inconvénient important. En effet, les procédés de montage connus ne permettent pas d'assurer que la couronne soit ramenée dans une orientation déterminée par rapport à la boîte après son dévissage, ce qui nuit considérablement à l'esthétique de la boîte lorsqu'une marque ou un logo est apposé sur une face de la couronne. Cette situation est bien entendu inacceptable lorsque ces couronnes équipent des produits de luxe et de haute qualité.The invention also relates to a watch case provided with a screwed crown comprising a logo in which the logo is oriented in a determined manner. The manufacture and assembly of crowns screwed onto watch cases are well known. However, the methods of mounting these crowns have a significant drawback. In fact, the known mounting methods do not make it possible to ensure that the crown is brought back in a determined orientation relative to the case after it has been unscrewed, which considerably affects the aesthetics of the case when a mark or a logo is affixed to one side of the crown. This situation is of course unacceptable when these crowns are fitted to luxury and high quality products.
La présente invention a pour but principal de remédier aux inconvénients de l'art antérieur susmentionné en fournissant un procédé simple et économique pour le montage d'une couronne comportant un logo ou une marque, qui permette systématiquement de ramener par vissage la couronne dans une position ou une orientation déterminée après qu'elle ait été dévissée.The main object of the present invention is to remedy the drawbacks of the aforementioned prior art by providing a simple and economical method for mounting a crown comprising a logo or a mark, which systematically allows the crown to be brought back by screwing into a position. or a specific orientation after it has been unscrewed.
A cet effet, l'invention a pour objet un procédé de montage d'une couronne vissée sur une boîte de montre, caractérisé en ce qu'il comprend les étapes suivantes:To this end, the subject of the invention is a method of mounting a screw-down crown on a watch case, characterized in that it comprises the following steps:
- se munir d'une couronne ayant un taraudage intérieur indexé par rapport à un logo disposé sur la face avant de la couronne;- be provided with a crown having an internal thread indexed with respect to a logo placed on the front face of the crown;
- se munir d'un tube intermédiaire comportant deux tronçons filetés,- have an intermediate tube with two threaded sections,
- monter ledit tube intermédiaire dans un trou lisse traversant de la boite en le calant sur un gabarit pour disposer l'entrée de filet du tube destiné à recevoir le taraudage de la couronne dans une position angulaire telle que lorsque la couronne est vissée en butée sur le tube ledit logo se trouve dans une position déterminée,- Mount said intermediate tube in a smooth hole passing through the box by wedging it on a template to arrange the thread inlet of the tube intended to receive the thread of the crown in an angular position such as when the crown is screwed in abutment on the tube said logo is in a determined position,
- se munir d'un écrou et immobiliser le tube dans ladite position angulaire.- provide a nut and immobilize the tube in said angular position.
COPE DE CONFIRMATION Selon une caractéristique avantageuse de l'invention, le montage de la couronne à taraudage indexé comprend les étapes suivantes:CONFIRMATION COPY According to an advantageous characteristic of the invention, the mounting of the crown with indexed thread includes the following steps:
- se munir d'une bague taraudée;- have a threaded ring;
- positionner à l'aide d'un gabarit ladite bague de manière à indexer ledit taraudage par rapport au logo ou à la marque porté sur la face de ladite couronne et immobiliser ladite bague sur ladite couronne dans ladite position indexée. L'invention a également pour objet une boîte de montre comprenant une couronne vissée munie d'un taraudage intérieur, la face avant de ladite couronne comprenant un logo ou une marque, un tube intermédiaire comprenant un tronçon extérieur fileté destiné à recevoir ledit taraudage, ledit tube intermédiaire étant monté fixement dans la boîte, cette dernière étant caractérisée en ce que le taraudage intérieur de la couronne est indexé par rapport au logo ou à la marque et en ce que le tube intermédiaire est monté dans la boite afin de pouvoir être orienté angulairement par rapport à la boîte et fixé sur la boite dans une position angulaire déterminée Selon une caractéristique avantageuse, la couronne comprend sur le côté opposé à ladite face avant une gorge annulaire dans laquelle est montée fixement une bague muni d'un taraudage intérieur. Selon une autre caractéristique, la bague est soudée à la couronne.- Position using a template said ring so as to index said tapping relative to the logo or brand worn on the face of said crown and immobilize said ring on said crown in said indexed position. The invention also relates to a watch case comprising a screwed crown provided with an internal thread, the front face of said crown comprising a logo or a brand, an intermediate tube comprising an external threaded section intended to receive said thread, said intermediate tube being fixedly mounted in the box, the latter being characterized in that the internal thread of the crown is indexed relative to the logo or the brand and in that the intermediate tube is mounted in the box so that it can be angularly oriented relative to the box and fixed on the box in a determined angular position According to an advantageous characteristic, the crown comprises on the side opposite to said front face an annular groove in which is fixedly mounted a ring provided with an internal thread. According to another characteristic, the ring is welded to the crown.
Selon encore une autre caractéristique, le tube intermédiaire est monté dans un trou lisse ménagé dans la boîte et est rendu solidaire de la boite au moyen d'un écrou.According to yet another characteristic, the intermediate tube is mounted in a smooth hole in the box and is made integral with the box by means of a nut.
D'autres caractéristiques et avantages de la présente invention apparaîtront dans la description suivante d'un mode de réalisation préféré, présenté à titre d'exemple non limitatif en référence aux dessins annexés, dans lesquels : - la figure 1 montre une vue en coupe de la couronne montée selon le procédé de l'invention, etOther characteristics and advantages of the present invention will appear in the following description of a preferred embodiment, presented by way of nonlimiting example with reference to the accompanying drawings, in which: - Figure 1 shows a sectional view of the crown mounted according to the method of the invention, and
- la figure 2 montre une vue éclatée de la couronne avant la mise en oeuvre du procédé de l'invention.- Figure 2 shows an exploded view of the crown before the implementation of the method of the invention.
On décrira ci-après en liaison avec les figures 1 et 2 le procédé de montage d'une couronne vissée 1 sur une boîte de montre 2 qui n'est représentée que partiellement au dessin. La couronne vissée 1 comprend une première partie formée d'une tête 3 ayant une face frontale 4 sur laquelle est apposé un logo ou une marque 5 qui, dans la position vissée de cette couronne, présente une orientation angulaire déterminée par rapport à la boîte 2. Cette première partie est reliée au mouvement de manière classique. La tête 3 est munie sur le côté opposé à la face frontale 4 d'une gorge annulaire 7 qui reçoit une bague 8 taraudée intérieurement 9. La bague 8 est positionnée dans la gorge 7 à l'aide d'un gabarit (non représenté) de manière à indexer ledit taraudage 9 par rapport au logo 5 et est immobilisée dans la gorge 7 dans ladite position indexée. L'opération d'indexage est de préférence réalisée à l'aide d'une caméra et l'immobilisation est réalisée par une opération de soudage par exemple un soudage laser. Le logo 5 a par conséquent une position angulaire déterminée et connue par rapport à l'entrée du taraudage 9. La couronne comprend en outre une deuxième partie reliée à la boîte 2. Cette deuxième partie comprend un tube intermédiaire 10 et un écrou 11 destiné à immobiliser le tube 10 dans une position angulaire déterminée sur la boîte 2. Le tube 10 comporte deux tronçons filetés extérieurement 12 et 13 qui coopèrent respectivement avec l'écrou 11 et le taraudage indexé 9. Le tube 10 est monté librement dans un trou traversant 14 lisse de la boîte. Le tube 10 est ensuite calé à l'aide d'un gabarit (non représenté) pour disposer l'entrée du filetage 13 dans une position angulaire telle que lorsque la couronne 1 est vissée en butée sur le tube 10 ledit logo 5 se trouve dans une position angulaire déterminée par rapport à la boîte. Une fois cette opération de calage terminée, le tube 10 est immobilisé par l'écrou 11.The method of mounting a screwed crown 1 on a watch case 2 which is only partially shown in the drawing will be described below in connection with FIGS. 1 and 2. The screwed crown 1 comprises a first part formed by a head 3 having a front face 4 on which is affixed a logo or a mark 5 which, in the screwed position of this crown, has an angular orientation determined relative to the case 2 This first part is connected to the movement in a classic way. The head 3 is provided on the side opposite to the front face 4 with an annular groove 7 which receives an internally threaded ring 8. The ring 8 is positioned in the groove 7 using a template (not shown) in a way to index said thread 9 relative to the logo 5 and is immobilized in the groove 7 in said indexed position. The indexing operation is preferably carried out using a camera and the immobilization is carried out by a welding operation, for example laser welding. The logo 5 therefore has a determined and known angular position relative to the entry of the internal thread 9. The crown further comprises a second part connected to the box 2. This second part comprises an intermediate tube 10 and a nut 11 intended to immobilize the tube 10 in a determined angular position on the box 2. The tube 10 comprises two externally threaded sections 12 and 13 which cooperate respectively with the nut 11 and the indexed thread 9. The tube 10 is mounted freely in a through hole 14 smooth of the box. The tube 10 is then wedged using a template (not shown) to arrange the inlet of the thread 13 in an angular position such that when the crown 1 is screwed in abutment on the tube 10 said logo 5 is located in an angular position determined with respect to the box. Once this setting operation is finished, the tube 10 is immobilized by the nut 11.
On notera que la couronne peut être déjà vissée à fond sur le tube 10 lors de son positionnement, l'indexage se faisait alors non pas sur l'entrée du filetage 13 mais directement sur l'orientation du logo avant le blocage du tube 10 à l'aide de l'écrou 11. It will be noted that the crown can already be fully screwed onto the tube 10 during its positioning, the indexing then takes place not on the entry of the thread 13 but directly on the orientation of the logo before the tube 10 is blocked. using nut 11.

Claims

REVENDICATIONS
1. Procédé de montage d'une couronne vissée sur une boîte de montre, caractérisé en ce qu'il comprend les étapes suivantes:1. Method for mounting a crown screwed onto a watch case, characterized in that it comprises the following steps:
- se munir d'une couronne ayant un taraudage intérieur indexé par rapport à un logo ou une marque disposé sur la face avant de la couronne; - se munir d'un tube intermédiaire comportant deux tronçons filetés,- be provided with a crown having an internal thread indexed with respect to a logo or a mark arranged on the front face of the crown; - have an intermediate tube with two threaded sections,
- monter ledit tube intermédiaire dans un trou lisse traversant de la boite en le calant sur un gabarit pour disposer l'entrée de filet du tube destiné à recevoir le taraudage de la couronne dans une position angulaire telle que lorsque la couronne est vissée en butée sur le tube ledit logo se trouve dans une position déterminée, - se munir d'un écrou et immobiliser le tube dans ladite position angulaire.- Mount said intermediate tube in a smooth hole passing through the box by wedging it on a template to arrange the thread inlet of the tube intended to receive the thread of the crown in an angular position such as when the crown is screwed in abutment on the tube, said logo is in a determined position, - use a nut and immobilize the tube in said angular position.
2. Procédé de montage selon la revendication 1 , caractérisé en ce que le montage de la couronne à taraudage indexé comprend les étapes suivantes:2. Assembly method according to claim 1, characterized in that the assembly of the indexed tapped crown comprises the following steps:
- se munir d'une bague taraudée;- have a threaded ring;
- positionner à l'aide d'un gabarit ladite bague de manière à indexer ledit taraudage par rapport audit logo ou à ladite marque portée sur la face de ladite couronne etposition with a template said ring so as to index said tapping relative to said logo or to said mark worn on the face of said crown and
- immobiliser ladite bague sur ladite couronne dans ladite position indexée.immobilizing said ring on said crown in said indexed position.
3. Boîte de montre comprenant :3. Watch case including:
- une couronne vissée munie d'un taraudage intérieur, la face avant de ladite couronne comprenant un logo ou une marque,- a screwed crown fitted with an internal thread, the front face of said crown comprising a logo or a mark,
- un tube intermédiaire comprenant un tronçon extérieur fileté destiné à recevoir ledit taraudage , ledit tube intermédiaire étant monté fixement dans ladite boîte, caractérisée en ce que le taraudage intérieur de la couronne est indexé par rapport au logo ou à la marque et en ce que le tube intermédiaire est monté dans la boite afin de pouvoir être orienté angulairement par rapport à la boîte et fixé sur la boite dans une position angulaire déterminée.- an intermediate tube comprising a threaded outer section intended to receive said tapping, said intermediate tube being fixedly mounted in said box, characterized in that the internal tapping of the crown is indexed relative to the logo or the brand and in that the intermediate tube is mounted in the box so that it can be oriented angularly with respect to the box and fixed on the box in a determined angular position.
4. Boite de montre selon la revendication 3, caractérisée en ce que la couronne comprend sur le côté opposé à ladite face avant une gorge annulaire dans laquelle est montée fixement une bague munie dudit taraudage intérieur.4. Watch case according to claim 3, characterized in that the crown comprises on the side opposite to said front face an annular groove in which is fixedly mounted a ring provided with said internal thread.
5. Boite de montre selon la revendication 4, caractérisée en ce que la ladite bague est soudée à ladite couronne.5. Watch case according to claim 4, characterized in that said ring is welded to said crown.
6. Boite de montre selon l'une des revendications 3 à 5, caractérisée en ce que ledit tube intermédiaire est monté dans un trou lisse ménagé dans ladite boîte et en ce qu'il est rendu solidaire de ladite boîte dans sa position angulaire déterminée au moyen d'un écrou. 6. Watch case according to one of claims 3 to 5, characterized in that said intermediate tube is mounted in a smooth hole formed in said box and in that it is made integral with said box in its angular position determined by means of a nut.
EP00991146A 1999-12-02 2000-12-01 Method for fixing a crown screwed on a watch case and watch case equipped with same Expired - Lifetime EP1151357B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH220499 1999-12-02
CH02204/99A CH705218B1 (en) 1999-12-02 1999-12-02 method of mounting a crown screwed on a watch case.
PCT/EP2000/012304 WO2001040881A1 (en) 1999-12-02 2000-12-01 Method for fixing a crown screwed on a watch case and watch case equipped with same

Publications (2)

Publication Number Publication Date
EP1151357A1 true EP1151357A1 (en) 2001-11-07
EP1151357B1 EP1151357B1 (en) 2010-06-30

Family

ID=4228333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00991146A Expired - Lifetime EP1151357B1 (en) 1999-12-02 2000-12-01 Method for fixing a crown screwed on a watch case and watch case equipped with same

Country Status (8)

Country Link
US (1) US6719455B2 (en)
EP (1) EP1151357B1 (en)
JP (1) JP4515684B2 (en)
CN (1) CN1339124A (en)
AT (1) ATE472752T1 (en)
CH (1) CH705218B1 (en)
DE (1) DE60044603D1 (en)
WO (1) WO2001040881A1 (en)

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Also Published As

Publication number Publication date
DE60044603D1 (en) 2010-08-12
JP2003515750A (en) 2003-05-07
US6719455B2 (en) 2004-04-13
CH705218B1 (en) 2013-01-15
CN1339124A (en) 2002-03-06
ATE472752T1 (en) 2010-07-15
JP4515684B2 (en) 2010-08-04
WO2001040881A1 (en) 2001-06-07
US20030007426A1 (en) 2003-01-09
EP1151357B1 (en) 2010-06-30

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