EP3653074B1 - Assembly of elements such as links of a bracelet - Google Patents

Assembly of elements such as links of a bracelet Download PDF

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Publication number
EP3653074B1
EP3653074B1 EP18205997.2A EP18205997A EP3653074B1 EP 3653074 B1 EP3653074 B1 EP 3653074B1 EP 18205997 A EP18205997 A EP 18205997A EP 3653074 B1 EP3653074 B1 EP 3653074B1
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EP
European Patent Office
Prior art keywords
elements
hole
pin
blind recess
item
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.)
Active
Application number
EP18205997.2A
Other languages
German (de)
French (fr)
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EP3653074A1 (en
Inventor
Alain Geiser
Sylvain Boucard
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.)
Comadur SA
Original Assignee
Comadur 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 Comadur SA filed Critical Comadur SA
Priority to EP18205997.2A priority Critical patent/EP3653074B1/en
Priority to US16/654,212 priority patent/US11523662B2/en
Priority to KR1020190136258A priority patent/KR102372112B1/en
Priority to JP2019198408A priority patent/JP7084370B2/en
Priority to CN201911099265.0A priority patent/CN111166020B/en
Publication of EP3653074A1 publication Critical patent/EP3653074A1/en
Application granted granted Critical
Publication of EP3653074B1 publication Critical patent/EP3653074B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • A44C5/10—Link constructions not extensible
    • A44C5/107—Link constructions not extensible with links made of more than two elements including connecting elements
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C11/00—Watch chains; Ornamental chains
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A44C27/001—Materials for manufacturing jewellery
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • A44C5/025—Link constructions with links threaded on a band
    • A44C5/027—Link constructions with links threaded on a band the band also made of links

Definitions

  • the invention relates to an assembly of elements and more precisely to a part comprising several sets of elements assembled together.
  • the elements can form the links of a bracelet, a decorative article or an article of jewellery.
  • each assembly system has two outer links and a central link.
  • the outer links each have a blind hole and the center link has a through hole.
  • the joint system has a pin mounted in the through hole of the center link.
  • the pin comprises at one end a thread cooperating with a thread formed in the blind hole of one of the outer links. At its other end, the pin is press-fitted and welded within a sleeve screwed into the blind hole of the other outer link.
  • each outer link has a second hole (blind or through) and each central link has a second through hole.
  • the second hole of each outer link of an assembly system is respectively intended to receive one end of a pin which is mounted within the second through hole of the central link of another assembly system.
  • the ends of the dowel ensuring assembly between the two assembly systems are mounted free in the outer links.
  • this assembly between the two assembly systems is not optimal. Indeed, the outer links can move slightly from their initial position revealing a day with the central link, which deteriorates the aesthetic appearance of the bracelet.
  • the object of the present invention is to overcome the aforementioned drawbacks by proposing an assembly between the assembly systems making it possible to stiffen the part obtained in order to avoid this displacement of the external links.
  • the invention relates to a part comprising at least two assembly systems, which will be qualified here as sets of assembled elements, interconnected with a permanent fixing device.
  • the permanent fixing device comprises a pin mounted in a through hole of a central element of an assembly. This pin is mounted at each end in a blind recess of a side member belonging to another set. At one end, the pin is fixed in the blind recess using locking means, for example by screwing. At its other end, it is welded to a socket which is itself fixed using blocking means within the blind recess of the side member. Alternatively, the other end is driven into the sleeve itself fixed using locking means within the blind recess of the side element.
  • the part of the invention is defined in accordance with claim 1.
  • the present invention relates to an assembly between at least two sets of assembled elements.
  • Said elements are, for example, links intended to form a bracelet, a decorative article or an article of jewelry.
  • the assembly is more specifically adapted for the assembly of elements made in whole or in part with hard materials.
  • hard materials designates materials whose hardness is substantially equal to or greater than 600 HV and which accept little or no plastic deformation before breaking. Mention may be made, without limitation, as hard materials, for example, enamels, stones, precious or not, such as ruby, sapphire or quartz, ceramics such as an oxide, a carbide or a nitride metallic or non-metallic, or hard metals.
  • each set comprises elements assembled in a manner similar to what is described in the document EP 2 803 286 .
  • the sets are mounted together by means of a permanent fastening device.
  • Each set comprises at least three elements 3, 5, 7 which can be formed wholly or partly in hard materials. It comprises a first lateral element 3 and a second lateral element 5 substantially symmetrical with respect to a third element 7 disposed between the lateral elements. Note that the elements 3, 5, 7 are preferably staggered.
  • the first and second elements 3, 5 each comprise a first blind recess 2, 4 while the third element 7 comprises a first through hole 6.
  • the recesses 2, 4 and the hole 6 are intended to be aligned in order to secure the first, second and third elements 3, 5, 7 together.
  • the assembly 1 comprises a device 9 for permanent fixing in order to secure, in an unremovable manner, the first, second and third elements 3, 5, 7 together.
  • the permanent fixing device 9 comprises a pin 11 mounted in the through-hole 6 of the third central element 7.
  • the pin 11 comprises, at a first end, first means 8 for blocking in the blind recess 2 of the first element 3. figure 2 , the pin 11 comprises three parts 14, 10, 12 in one piece.
  • the main part 10 of the pin 11 has a cross section of intermediate size with respect to the other two parts and is intended to be received in the through hole 6 of the third element 7.
  • the first and second lateral elements 3, 5 may or may not pivot with respect to the third central element 7 .
  • the through-hole 6 may comprise a cross section of corresponding non-circular shape with that of the part 10 of the pin 11 in order to prevent any relative pivoting of the first, second and third 3, 5, 7 elements.
  • the through hole 6 has a cross section of corresponding circular shape with that of the part 10 of the pin 11 in order to allow the pivoting of the third central element 7 with respect to the first and second elements 3, 5 side.
  • Part 14 of pin 11 forms said first end where said first locking means 8 are present.
  • the first locking means 8 are formed by an internal thread 15 provided in the blind recess 2 of the first element 3 and by a thread 16 on the first end, that is to say the part 14, of the pin 11.
  • the part 12 of the pin 11 comprises the smallest cross-section of the pin 11 and is intended to be received in a sleeve 13 of the device 9 for permanent fixing.
  • Socket 13 shown in more detail in picture 3 comprises at its outer wall 17 second means 18 for blocking in the blind recess 4 of the second element 5.
  • the second locking means 18 are formed by an internal thread 25 present in the blind recess 4 of the second element 5 and by a thread 26 on the outer wall 17 of the sleeve 13.
  • the inner wall 19 of the sleeve 13 is welded to the second end, that is to say the part 12, of the pin 11 in order to secure the first, second and third elements 3, 5, 7 together without plastic deformation of the first and second elements 3, 5.
  • each assembly 31 comprises five elements. Indeed, in addition to the three elements 33, 35', 37 comparable to those 3, 5, 7 of the first type of assembly 1, the assembly 31 of the second type comprises an intermediate row with a second central element 37' and a intermediate element 35.
  • This set 1, 31 is assembled with another set and so on so as to form a part such as, for example, a bracelet, a decorative article or an article of jewelry.
  • the invention thus relates to a part 21, 51 comprising at least two assemblies 1, 31.
  • the two assemblies 1, 31 are also interconnected by a permanent fastening device 9'.
  • the permanent fixing device 9' comprises a pin 11' mounted in a second through-hole 24 of the third element 7 of an assembly 1.
  • Each end of the pin 11' is respectively mounted in a second blind recess 27, 28 formed in a first and second element 3, 5 of another set 1 adjacent.
  • the pin 11' intended to be mounted in the second through-hole 24 has a configuration similar to that intended to be mounted in the first through-hole 6.
  • the third central element 7 may or may not pivot relative to the first and second lateral elements 3, 5 who frame it.
  • the through-hole 24 may have a cross-section of corresponding non-circular shape with that of the pin 11' in order to prevent any relative pivoting between the third element and the first and second side elements.
  • the through hole 24 has a cross section of corresponding circular shape with that of the pin 11' in order to allow this relative pivoting.
  • part 51 comprises permanent fixing devices 9 within each assembly 31 (a pin 11 fixed to a sleeve 13) alternating with permanent fixing devices 9' (a pin 11 'fixed on a sleeve 13') between sets.
  • the pins 11, 11' no longer have a second end of smaller cross-section than the main part. It is therefore understood that this narrowing of section is only optional both for this type of part and for that of figures 1 to 3 .
  • several sets 31 can be interconnected by a clasp 61 to form a bracelet intended to be mounted on the middle part of a timepiece.
  • elements 3, 5, 7 are manufactured with, for example, the various holes or recesses 2, 4, 6, 27, 28, 24 formed directly or machined a posteriori.
  • the sleeves 13 and 13' are mounted respectively in the recesses 4 and 28 of the side element 5 using the locking means 18 and 18'.
  • the pins 11, 11' are mounted respectively in the recesses 2 and 27 of the side element 3 using the locking means 8 and 8'.
  • the second and third times can be reversed.
  • the parts 10, 10' and 12, 12' of the pins 11, 11' projecting from the first lateral element 3 are threaded respectively for the first pin 11 into the first through hole 6 of a third element 7 d 'a set 1 and for the second pin 11' in the second through hole 24 of the third element 7 of an adjacent set 1.
  • the second end of each pin 11, 11', that is to say the part 12, 12', projecting from the third elements 7 is force-fitted against the internal wall 19, 19' of each socket 13, 13' mounted in the second lateral element 5.
  • each pin 11, 11' is welded to the inner wall 19, 19' of the corresponding sleeve 13, 13'.
  • This welding is advantageously carried out without contact and, preferably, by magnetic induction heating. Consequently, it is understood that the pins 11, 11' and the sleeves 13, 13' are preferably formed by an electrically conductive material such as a metal such as, for example, steel.
  • the force fitting carried out during the fifth stage makes it possible to promote the welding of the sixth stage and avoids heating the assemblies for too long.
  • the elements 3, 5 and 7 within each set, as well as the sets between them are totally integral and can only be separated by breaking the weld between the sockets 13, 13' and pins 11, 11'.
  • the principle is substantially the same with the elements 37, 37' forming the third central element.
  • the first and second through-holes of these elements 37, 37' communicate with two through-holes formed respectively in the intermediate elements 35 of two adjacent sets 31 to respectively receive the two pins 11, 11' extending between the side elements 33, 35 'provided with blind recesses.
  • the present invention is not limited to the examples illustrated but is susceptible to various variants and modifications which will appear to those skilled in the art.
  • the various locking means 8, 8', 18, 18' may be of a different nature than devices of the thread 15, 15', 25, 25' - thread 16, 16', 26, 26' and/or thread type. or not be of the same nature with respect to each other.
  • one or more of the locking means could also be formed by devices of the bayonet type allowing durable and low-stress fixing such as devices of the tapping-thread type.
  • first and second pins can be made of titanium and in this case said ends 12, 12' of these pins are fixed by driving into said second bushings 13, 13', also preferably made of titanium.
  • the use of titanium for the pins and sleeves has the particular advantage of achieving a more rigid fixing of the links than with steel pins and therefore a better hold of the bracelet.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Adornments (AREA)
  • Connection Of Plates (AREA)

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

L'invention se rapporte à un assemblage d'éléments et plus précisément à une pièce comprenant plusieurs ensembles d'éléments assemblés entre eux. Les éléments peuvent former les maillons d'un bracelet, d'un article décoratif ou d'un article de joaillerie.The invention relates to an assembly of elements and more precisely to a part comprising several sets of elements assembled together. The elements can form the links of a bracelet, a decorative article or an article of jewellery.

ART ANTERIEURPRIOR ART

On connait du document EP 2 803 286 un système d'assemblage de maillons avec au moins une partie des maillons réalisée dans un matériau dur tel que le diamant ou la céramique, acceptant peu ou pas de déformation plastique lors de l'assemblage. Dans le cas illustratif d'un bracelet, ce dernier est le résultat d'un montage de plusieurs systèmes d'assemblage. Pour un bracelet à trois rangs, chaque système d'assemblage comporte deux maillons extérieurs et un maillon central. Les maillons extérieurs comprennent chacun un trou borgne et le maillon central comporte un trou traversant. Le système d'assemblage comporte une goupille montée dans le trou traversant du maillon central. La goupille comprend à une extrémité un filet coopérant avec un taraudage ménagé dans le trou borgne d'un des maillons extérieurs. A son autre extrémité, la goupille est emmanchée à force et soudée au sein d'une douille vissée dans le trou borgne de l'autre maillon extérieur. Ce système d'assemblage permet de solidariser les trois rangs de maillons sans déformation plastique des maillons extérieurs, avec une fixation permanente réalisée par soudage de la goupille au sein de la douille. Ensuite ou de manière concomitante, le système d'assemblage est fixé à un autre système d'assemblage et ainsi de suite pour constituer le bracelet. Pour assurer le montage entre deux systèmes d'assemblage, chaque maillon extérieur comporte un deuxième trou (borgne ou traversant) et chaque maillon central comporte un deuxième trou traversant. Le deuxième trou de chaque maillon extérieur d'un système d'assemblage est respectivement destiné à recevoir une extrémité d'une cheville qui est montée au sein du deuxième trou traversant du maillon central d'un autre système d'assemblage. Les extrémités de la cheville assurant le montage entre les deux systèmes d'assemblage sont montées libres dans les maillons extérieurs. En pratique, il est observé que ce montage entre les deux systèmes d'assemblage n'est pas optimal. En effet, les maillons extérieurs peuvent légèrement se déplacer de leur position initiale laissant apparaître un jour avec le maillon central, ce qui détériore l'aspect esthétique du bracelet.We know from the document EP 2 803 286 a link assembly system with at least some of the links made of a hard material such as diamond or ceramic, accepting little or no plastic deformation during assembly. In the illustrative case of a bracelet, the latter is the result of an assembly of several assembly systems. For a three-row bracelet, each assembly system has two outer links and a central link. The outer links each have a blind hole and the center link has a through hole. The joint system has a pin mounted in the through hole of the center link. The pin comprises at one end a thread cooperating with a thread formed in the blind hole of one of the outer links. At its other end, the pin is press-fitted and welded within a sleeve screwed into the blind hole of the other outer link. This assembly system makes it possible to secure the three rows of links without plastic deformation of the external links, with a permanent fixing achieved by welding the pin within the sleeve. Then or concomitantly, the assembly system is attached to another assembly system and so on to form the bracelet. To ensure assembly between two assembly systems, each outer link has a second hole (blind or through) and each central link has a second through hole. The second hole of each outer link of an assembly system is respectively intended to receive one end of a pin which is mounted within the second through hole of the central link of another assembly system. The ends of the dowel ensuring assembly between the two assembly systems are mounted free in the outer links. In practice, it is observed that this assembly between the two assembly systems is not optimal. Indeed, the outer links can move slightly from their initial position revealing a day with the central link, which deteriorates the aesthetic appearance of the bracelet.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

Le but de la présente invention est de pallier les inconvénients précités en proposant un montage entre les systèmes d'assemblage permettant de rigidifier la pièce obtenue afin d'éviter ce déplacement des maillons extérieurs.The object of the present invention is to overcome the aforementioned drawbacks by proposing an assembly between the assembly systems making it possible to stiffen the part obtained in order to avoid this displacement of the external links.

A cet effet, l'invention se rapporte à une pièce comprenant au moins deux systèmes d'assemblage, qu'on qualifiera ici d'ensembles d'éléments assemblés, reliés entre eux avec un dispositif de fixation permanente. Selon l'invention, le dispositif de fixation permanente comporte une goupille montée dans un trou traversant d'un élément central d'un ensemble. Cette goupille est montée à chaque extrémité dans un évidement borgne d'un élément latéral appartenant à un autre ensemble. A une extrémité, la goupille est fixée dans l'évidement borgne à l'aide de moyens de blocage, par exemple par vissage. A son autre extrémité, elle est soudée à une douille elle-même fixée à l'aide de moyens de blocage au sein de l'évidement borgne de l'élément latéral. Alternativement l'autre extrémité est chassée dans la douille elle-même fixée à l'aide de moyens de blocage au sein de l'évidement borgne de l'élément latéral. La pièce de l'invention est définie conformément à la revendication 1.To this end, the invention relates to a part comprising at least two assembly systems, which will be qualified here as sets of assembled elements, interconnected with a permanent fixing device. According to the invention, the permanent fixing device comprises a pin mounted in a through hole of a central element of an assembly. This pin is mounted at each end in a blind recess of a side member belonging to another set. At one end, the pin is fixed in the blind recess using locking means, for example by screwing. At its other end, it is welded to a socket which is itself fixed using blocking means within the blind recess of the side member. Alternatively, the other end is driven into the sleeve itself fixed using locking means within the blind recess of the side element. The part of the invention is defined in accordance with claim 1.

L'ajout d'un dispositif de fixation permanente pour relier les ensembles entre eux permet de rigidifier le bracelet en limitant la déformation lors du pliage, de l'extension et de la torsion et garantit par là-même l'esthétique initiale.The addition of a permanent fixing device to connect the sets together makes it possible to stiffen the bracelet by limiting deformation during bending, extension and torsion and thereby guarantees the initial aesthetics.

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.Other characteristics and advantages of the present invention will appear in the following description of a preferred embodiment, presented by way of non-limiting example with reference to the appended drawings.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF FIGURES

  • La figure 1 est une vue en coupe selon l'axe longitudinal d'une pièce selon l'invention.The figure 1 is a sectional view along the longitudinal axis of a part according to the invention.
  • La figure 2 est une vue partielle d'une goupille selon l'invention.The figure 2 is a partial view of a pin according to the invention.
  • La figure 3 est une vue en coupe d'une douille selon l'invention.The picture 3 is a sectional view of a socket according to the invention.
  • La figure 4 est une vue de dessus d'une autre pièce selon l'invention.The figure 4 is a top view of another part according to the invention.
  • La figure 5 est une vue en coupe selon l'axe A-A de la figure 4.The figure 5 is a sectional view along the axis AA of the figure 4 .
  • La figure 6 est une vue des dispositifs de fixation utilisés pour la pièce de la figure 4.The figure 6 is a view of the fasteners used for the part of the figure 4 .
DESCRIPTION DETAILLEEDETAILED DESCRIPTION

La présente invention se rapporte à un montage entre au moins deux ensembles d'éléments assemblés. Lesdits éléments sont, par exemple, des maillons destinés à former un bracelet, un article décoratif ou un article de joaillerie. Le montage est plus spécifiquement adapté pour l'assemblage d'éléments réalisés en tout ou partie avec des matériaux durs. Le terme « matériaux durs » selon l'invention désigne des matériaux dont la dureté est sensiblement égale ou supérieure à 600 HV et qui acceptent peu ou pas de déformation plastique avant de rompre. On peut citer, à titre nullement limitatif, comme matériaux durs, par exemple, les émaux, les pierres, précieuses ou non, telles que le rubis, le saphir ou le quartz, les céramiques telles qu'un oxyde, un carbure ou un nitrure métallique ou non-métallique, ou encore les métaux durs.The present invention relates to an assembly between at least two sets of assembled elements. Said elements are, for example, links intended to form a bracelet, a decorative article or an article of jewelry. The assembly is more specifically adapted for the assembly of elements made in whole or in part with hard materials. The term "hard materials" according to the invention designates materials whose hardness is substantially equal to or greater than 600 HV and which accept little or no plastic deformation before breaking. Mention may be made, without limitation, as hard materials, for example, enamels, stones, precious or not, such as ruby, sapphire or quartz, ceramics such as an oxide, a carbide or a nitride metallic or non-metallic, or hard metals.

Selon l'invention, chaque ensemble comporte des éléments assemblés de manière similaire à ce qui est décrit dans le document EP 2 803 286 . De manière concomitante à l'assemblage des éléments au sein de chaque ensemble, les ensembles sont montés entre eux au moyen d'un dispositif de fixation permanente.According to the invention, each set comprises elements assembled in a manner similar to what is described in the document EP 2 803 286 . Concomitantly with the assembly of the elements within each set, the sets are mounted together by means of a permanent fastening device.

Avant de détailler ce montage entre ensembles, l'assemblage au sein de chaque ensemble d'éléments est décrit en référence à ce document EP 2 803 286 . Chaque ensemble 1, délimité par des pointillés à la figure 1, comporte au moins trois éléments 3, 5, 7 pouvant être formés en tout ou partie en matériaux durs. Il comporte un premier élément 3 latéral et un deuxième élément 5 latéral sensiblement symétriques par rapport à un troisième élément 7 disposé entre les éléments latéraux. On remarque que les éléments 3, 5, 7 sont préférentiellement montés en quinconce.Before detailing this assembly between sets, the assembly within each set of elements is described with reference to this document EP 2 803 286 . Each set 1, delimited by dotted lines at the figure 1 , comprises at least three elements 3, 5, 7 which can be formed wholly or partly in hard materials. It comprises a first lateral element 3 and a second lateral element 5 substantially symmetrical with respect to a third element 7 disposed between the lateral elements. Note that the elements 3, 5, 7 are preferably staggered.

Les premier et deuxième éléments 3, 5 comportent chacun un premier évidement borgne 2, 4 alors que le troisième élément 7 comporte un premier trou traversant 6. Comme montré à la figure 1, les évidements 2, 4 et le trou 6 sont destinés à être alignés afin de solidariser les premier, deuxième et troisième éléments 3, 5, 7 ensemble. A cet effet, l'ensemble 1 comporte un dispositif 9 de fixation permanente afin de solidariser, de manière indémontable, les premier, deuxième et troisième éléments 3, 5, 7 ensemble.The first and second elements 3, 5 each comprise a first blind recess 2, 4 while the third element 7 comprises a first through hole 6. As shown in figure 1 , the recesses 2, 4 and the hole 6 are intended to be aligned in order to secure the first, second and third elements 3, 5, 7 together. To this end, the assembly 1 comprises a device 9 for permanent fixing in order to secure, in an unremovable manner, the first, second and third elements 3, 5, 7 together.

Le dispositif 9 de fixation permanente comprend une goupille 11 montée dans le trou traversant 6 du troisième élément 7 central. La goupille 11 comporte, à une première extrémité, des premiers moyens 8 de blocage dans l'évidement borgne 2 du premier élément 3. Comme mieux visible à la figure 2, la goupille 11 comporte trois parties 14, 10, 12 monoblocs. La partie principale 10 de la goupille 11 comporte une section transversale de grandeur intermédiaire par rapport aux deux autres parties et est destinée à être reçue dans le trou traversant 6 du troisième élément 7. Selon le jeu laissé ou la forme respective du trou traversant 6 et de la partie 10, les premier et deuxième éléments 3, 5 latéraux pourront pivoter ou non par rapport au troisième élément 7 central. A titre d'exemple nullement limitatif, le trou traversant 6 peut comporter une section transversale de forme correspondante non circulaire avec celle de la partie 10 de la goupille 11 afin d'empêcher tout pivotement relatif des premier, deuxième et troisième 3, 5, 7 éléments. Au contraire, il peut être envisagé que le trou traversant 6 comporte une section transversale de forme correspondante circulaire avec celle de la partie 10 de la goupille 11 afin d'autoriser le pivotement du troisième élément 7 central par rapport aux premier et deuxième éléments 3, 5 latéraux.The permanent fixing device 9 comprises a pin 11 mounted in the through-hole 6 of the third central element 7. The pin 11 comprises, at a first end, first means 8 for blocking in the blind recess 2 of the first element 3. figure 2 , the pin 11 comprises three parts 14, 10, 12 in one piece. The main part 10 of the pin 11 has a cross section of intermediate size with respect to the other two parts and is intended to be received in the through hole 6 of the third element 7. Depending on the clearance left or the respective shape of the through hole 6 and of part 10, the first and second lateral elements 3, 5 may or may not pivot with respect to the third central element 7 . By way of non-limiting example, the through-hole 6 may comprise a cross section of corresponding non-circular shape with that of the part 10 of the pin 11 in order to prevent any relative pivoting of the first, second and third 3, 5, 7 elements. On the contrary, it can be envisaged that the through hole 6 has a cross section of corresponding circular shape with that of the part 10 of the pin 11 in order to allow the pivoting of the third central element 7 with respect to the first and second elements 3, 5 side.

La partie 14 de la goupille 11 forme ladite première extrémité où sont présents lesdits premiers moyens 8 de blocage. Dans l'exemple visible aux figures 1 à 3, les premiers moyens 8 de blocage sont formés par un taraudage 15 ménagé dans l'évidement borgne 2 du premier élément 3 et par un filet 16 sur la première extrémité, c'est-à-dire la partie 14, de la goupille 11. Enfin, la partie 12 de la goupille 11 comporte la section transversale la plus faible de la goupille 11 et est destinée à être reçue dans une douille 13 du dispositif 9 de fixation permanente.Part 14 of pin 11 forms said first end where said first locking means 8 are present. In the example visible at figures 1 to 3 , the first locking means 8 are formed by an internal thread 15 provided in the blind recess 2 of the first element 3 and by a thread 16 on the first end, that is to say the part 14, of the pin 11. Finally, the part 12 of the pin 11 comprises the smallest cross-section of the pin 11 and is intended to be received in a sleeve 13 of the device 9 for permanent fixing.

La douille 13 représentée plus en détail à la figure 3 comporte au niveau de sa paroi externe 17 des deuxièmes moyens 18 de blocage dans l'évidement borgne 4 du deuxième élément 5. Dans l'exemple visible aux figures 1 à 3, les deuxièmes moyens 18 de blocage sont formés par un taraudage 25 présent dans l'évidement borgne 4 du deuxième élément 5 et par un filet 26 sur la paroi externe 17 de la douille 13. La paroi interne 19 de la douille 13 est soudée à la deuxième extrémité, c'est-à-dire la partie 12, de la goupille 11 afin de solidariser les premier, deuxième et troisième éléments 3, 5, 7 ensemble sans déformation plastique des premier et deuxième éléments 3, 5.Socket 13 shown in more detail in picture 3 comprises at its outer wall 17 second means 18 for blocking in the blind recess 4 of the second element 5. In the example visible in figures 1 to 3 , the second locking means 18 are formed by an internal thread 25 present in the blind recess 4 of the second element 5 and by a thread 26 on the outer wall 17 of the sleeve 13. The inner wall 19 of the sleeve 13 is welded to the second end, that is to say the part 12, of the pin 11 in order to secure the first, second and third elements 3, 5, 7 together without plastic deformation of the first and second elements 3, 5.

Dans une variante présentée aux figures 4 à 6, chaque ensemble 31 comporte cinq éléments. En effet, en plus des trois éléments 33, 35', 37 comparables à ceux 3, 5, 7 du premier type d'ensemble 1, l'ensemble 31 du deuxième type comporte une rangée intercalaire avec un deuxième élément central 37' et un élément intermédiaire 35.In a variant presented to figures 4 to 6 , each assembly 31 comprises five elements. Indeed, in addition to the three elements 33, 35', 37 comparable to those 3, 5, 7 of the first type of assembly 1, the assembly 31 of the second type comprises an intermediate row with a second central element 37' and a intermediate element 35.

Cet ensemble 1, 31 est assemblé avec un autre ensemble et ainsi de suite de manière à former une pièce telle que, par exemple, un bracelet, un article décoratif ou un article de joaillerie.This set 1, 31 is assembled with another set and so on so as to form a part such as, for example, a bracelet, a decorative article or an article of jewelry.

L'invention se rapporte ainsi à une pièce 21, 51 comportant au moins deux ensembles 1, 31. Selon l'invention, les deux ensembles 1, 31 sont également reliés entre eux par un dispositif 9' de fixation permanente.The invention thus relates to a part 21, 51 comprising at least two assemblies 1, 31. According to the invention, the two assemblies 1, 31 are also interconnected by a permanent fastening device 9'.

Se référant à la pièce 21 de la figure 1, le dispositif 9' de fixation permanente comporte une goupille 11' montée dans un deuxième trou traversant 24 du troisième élément 7 d'un ensemble 1. Chaque extrémité de la goupille 11' est montée respectivement dans un deuxième évidement borgne 27, 28 pratiqué dans un premier et deuxième éléments 3, 5 d'un autre ensemble 1 adjacent. La goupille 11' destinée à être montée dans le deuxième trou traversant 24 a une configuration semblable à celle destinée à être montée dans le premier trou traversant 6. Elle comporte ainsi, comme sur la figure 2, trois parties 10', 12', 14' monoblocs avec une première extrémité 14' où sont présents des moyens de blocage 8' formés par un filet 16' coopérant avec un taraudage 15' ménagé dans le deuxième évidement borgne 27 du premier élément 3. Enfin la deuxième extrémité 12' de la goupille 11' présente une section transversale plus faible que la partie centrale 10'. Elle est destinée à être reçue dans une douille 13' du dispositif de fixation permanente 9'. Cette douille 13' est montée au sein du deuxième évidement borgne 28 du deuxième élément 5 avec également des moyens de blocage 18'. Elle présente une configuration semblable à celle de la figure 3 avec des moyens 18' de blocage formés par un taraudage 25' présent dans l'évidement borgne 28 du deuxième élément 5 et par un filet 26' sur la paroi externe 17' de la douille 13'. La paroi interne 19' de la douille 13' est soudée à la deuxième extrémité, c'est-à-dire à la partie 12', de la goupille 11' afin de solidariser les deux ensembles 1 pour former la pièce 21.Referring to exhibit 21 of the figure 1 , the permanent fixing device 9' comprises a pin 11' mounted in a second through-hole 24 of the third element 7 of an assembly 1. Each end of the pin 11' is respectively mounted in a second blind recess 27, 28 formed in a first and second element 3, 5 of another set 1 adjacent. The pin 11' intended to be mounted in the second through-hole 24 has a configuration similar to that intended to be mounted in the first through-hole 6. It thus comprises, as in the figure 2 , three parts 10', 12', 14' in one piece with a first end 14' where there are locking means 8' formed by a thread 16' cooperating with a thread 15' made in the second blind recess 27 of the first element 3 Finally, the second end 12' of the pin 11' has a smaller cross-section than the central part 10'. It is intended to be received in a socket 13' of the permanent fixing device 9'. This sleeve 13' is mounted within the second blind recess 28 of the second element 5 also with locking means 18'. It has a configuration similar to that of the face 3 with locking means 18' formed by an internal thread 25' present in the blind recess 28 of the second element 5 and by a thread 26' on the outer wall 17' of the sleeve 13'. The internal wall 19' of the sleeve 13' is welded to the second end, that is to say to the part 12', of the pin 11' in order to secure the two assemblies 1 to form the part 21.

On comprend que, comme pour le premier trou traversant 6, suivant le jeu laissé ou la forme respective du trou traversant 24 et de la goupille 11' le troisième élément 7 central pourra pivoter ou non par rapport aux premier et deuxième éléments 3, 5 latéraux qui l'encadrent. Tout comme pour le premier trou traversant 6, le trou traversant 24 peut comporter une section transversale de forme correspondante non circulaire avec celle de la goupille 11' afin d'empêcher tout pivotement relatif entre le troisième élément et les premier et deuxième éléments latéraux. Au contraire, il peut être envisagé que le trou traversant 24 comporte une section transversale de forme correspondante circulaire avec celle de la goupille 11' afin d'autoriser ce pivotement relatif.It is understood that, as for the first through hole 6, depending on the clearance left or the respective shape of the through hole 24 and of the pin 11 'the third central element 7 may or may not pivot relative to the first and second lateral elements 3, 5 who frame it. Just as for the first through-hole 6, the through-hole 24 may have a cross-section of corresponding non-circular shape with that of the pin 11' in order to prevent any relative pivoting between the third element and the first and second side elements. On the contrary, it can be envisaged that the through hole 24 has a cross section of corresponding circular shape with that of the pin 11' in order to allow this relative pivoting.

Pour la pièce 51 visible aux figures 4-6, de manière similaire à l'explication ci-dessus, la pièce 51 comporte des dispositifs 9 de fixation permanente au sein de chaque ensemble 31 (une goupille 11 fixée sur une douille 13) alternant avec des dispositifs 9' de fixation permanente (une goupille 11' fixée sur une douille 13') entre ensembles. On remarque par contre que les goupilles 11, 11' ne comportent plus de deuxième extrémité de plus faible section transversale que la partie principale. On comprend donc que ce rétrécissement de section n'est qu'optionnelle aussi bien pour ce type de pièce que pour celui des figures 1 à 3. On remarque par ailleurs que plusieurs ensembles 31 peuvent être reliés entre eux par un fermoir 61 afin de former un bracelet destiné à être monté sur une carrure de pièce d'horlogerie.For part 51 visible at figures 4-6 , similarly to the above explanation, part 51 comprises permanent fixing devices 9 within each assembly 31 (a pin 11 fixed to a sleeve 13) alternating with permanent fixing devices 9' (a pin 11 'fixed on a sleeve 13') between sets. On the other hand, it is noted that the pins 11, 11' no longer have a second end of smaller cross-section than the main part. It is therefore understood that this narrowing of section is only optional both for this type of part and for that of figures 1 to 3 . Note also that several sets 31 can be interconnected by a clasp 61 to form a bracelet intended to be mounted on the middle part of a timepiece.

Le procédé de montage des ensembles 1 est expliqué ci-dessous. Dans un premier temps, les éléments 3, 5, 7 sont fabriqués avec, par exemple, les différents trous ou évidements 2, 4, 6, 27, 28, 24 formés directement ou usinés a posteriori. Dans un deuxième temps, les douilles 13 et 13' sont montées respectivement dans les évidements 4 et 28 de l'élément latéral 5 à l'aide des moyens 18 et 18' de blocage. Dans un troisième temps, les goupilles 11, 11' sont montées respectivement dans les évidements 2 et 27 de l'élément latéral 3 à l'aide des moyens 8 et 8' de blocage. Bien entendu, les deuxième et troisième temps peuvent être inversés.The assembly method for sets 1 is explained below. Initially, elements 3, 5, 7 are manufactured with, for example, the various holes or recesses 2, 4, 6, 27, 28, 24 formed directly or machined a posteriori. Secondly, the sleeves 13 and 13' are mounted respectively in the recesses 4 and 28 of the side element 5 using the locking means 18 and 18'. Thirdly, the pins 11, 11' are mounted respectively in the recesses 2 and 27 of the side element 3 using the locking means 8 and 8'. Of course, the second and third times can be reversed.

Dans un quatrième temps, les parties 10, 10' et 12, 12' des goupilles 11, 11' faisant saillies du premier élément 3 latéral sont enfilées respectivement pour la première goupille 11 dans le premier trou traversant 6 d'un troisième élément 7 d'un ensemble 1 et pour la deuxième goupille 11' dans le deuxième trou traversant 24 du troisième élément 7 d'un ensemble 1 adjacent. Dans un cinquième temps, la deuxième extrémité de chaque goupille 11, 11', c'est-à-dire la partie 12, 12', faisant saillie des troisièmes éléments 7 est emmanchée à force contre la paroi interne 19, 19' de chaque douille 13, 13' montée dans le deuxième élément 5 latéral.Fourthly, the parts 10, 10' and 12, 12' of the pins 11, 11' projecting from the first lateral element 3 are threaded respectively for the first pin 11 into the first through hole 6 of a third element 7 d 'a set 1 and for the second pin 11' in the second through hole 24 of the third element 7 of an adjacent set 1. In a fifth step, the second end of each pin 11, 11', that is to say the part 12, 12', projecting from the third elements 7 is force-fitted against the internal wall 19, 19' of each socket 13, 13' mounted in the second lateral element 5.

Enfin, dans un sixième et dernier temps, la deuxième extrémité de chaque goupille 11, 11' est soudée à la paroi interne 19, 19' de la douille 13, 13' correspondante. Ce soudage est avantageusement réalisé sans contact et, préférentiellement, par un chauffage à induction magnétique. Par conséquent, on comprend que les goupilles 11, 11' et les douilles 13, 13' sont, de manière préférée, formées par un matériau électriquement conducteur tel qu'un métal comme, par exemple, de l'acier. De manière avantageuse, l'emmanchement à force effectué lors du cinquième temps, permet de favoriser le soudage du sixième temps et évite de chauffer trop longtemps les ensembles. A la fin du sixième et dernier temps, les éléments 3, 5 et 7 au sein de chaque ensemble, de même que les ensembles entre eux sont totalement solidaires et ne peuvent être désolidarisés qu'en brisant la soudure entre les douilles 13, 13' et les goupilles 11, 11'.Finally, in a sixth and last step, the second end of each pin 11, 11' is welded to the inner wall 19, 19' of the corresponding sleeve 13, 13'. This welding is advantageously carried out without contact and, preferably, by magnetic induction heating. Consequently, it is understood that the pins 11, 11' and the sleeves 13, 13' are preferably formed by an electrically conductive material such as a metal such as, for example, steel. Advantageously, the force fitting carried out during the fifth stage, makes it possible to promote the welding of the sixth stage and avoids heating the assemblies for too long. At the end of the sixth and final stage, the elements 3, 5 and 7 within each set, as well as the sets between them, are totally integral and can only be separated by breaking the weld between the sockets 13, 13' and pins 11, 11'.

En présence de plus de trois éléments comme illustré aux figures 4 à 6, le principe est sensiblement le même avec les éléments 37, 37' formant le troisième élément central. Les premier et deuxième trous traversants de ces éléments 37, 37' communiquent avec deux trous traversants ménagés respectivement dans les éléments intermédiaires 35 de deux ensembles 31 adjacents pour recevoir respectivement les deux goupilles 11, 11' s'étendant entre les éléments latéraux 33, 35' munis des évidements borgnes.In the presence of more than three elements as shown in figures 4 to 6 , the principle is substantially the same with the elements 37, 37' forming the third central element. The first and second through-holes of these elements 37, 37' communicate with two through-holes formed respectively in the intermediate elements 35 of two adjacent sets 31 to respectively receive the two pins 11, 11' extending between the side elements 33, 35 'provided with blind recesses.

Bien entendu, la présente invention ne se limite pas aux exemples illustrés mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art. En particulier, les différents moyens de blocage 8, 8', 18, 18' peuvent être de nature différente que des dispositifs du type taraudage 15, 15', 25, 25' - filet 16, 16', 26, 26' et/ou ne pas être de même nature l'un par rapport à l'autre. A titre d'exemple nullement limitatif, un ou plusieurs des moyens de blocage pourraient également être formés par des dispositifs du type à baïonnette permettant une fixation durable et à faible contrainte comme les dispositifs du type taraudage - filet.Of course, the present invention is not limited to the examples illustrated but is susceptible to various variants and modifications which will appear to those skilled in the art. In particular, the various locking means 8, 8', 18, 18' may be of a different nature than devices of the thread 15, 15', 25, 25' - thread 16, 16', 26, 26' and/or thread type. or not be of the same nature with respect to each other. By way of non-limiting example, one or more of the locking means could also be formed by devices of the bayonet type allowing durable and low-stress fixing such as devices of the tapping-thread type.

A titre de variante de réalisation, les premières et deuxièmes goupilles peuvent être réalisées en titane et dans ce cas lesdites extrémités 12, 12' de ces goupilles sont fixées par chassage dans lesdites deuxièmes douilles 13, 13', elles aussi réalisées préférence en titane. L'utilisation du titane pour les goupilles et les douilles présente notamment l'avantage de réaliser une fixation plus rigide des maillons qu'avec des goupilles en acier et donc une meilleure tenue du bracelet.As an alternative embodiment, the first and second pins can be made of titanium and in this case said ends 12, 12' of these pins are fixed by driving into said second bushings 13, 13', also preferably made of titanium. The use of titanium for the pins and sleeves has the particular advantage of achieving a more rigid fixing of the links than with steel pins and therefore a better hold of the bracelet.

De plus, le nombre, les dimensions et la géométrie des éléments pour chaque ensemble peuvent différer sans que les avantages de l'invention ne soient perdus.Furthermore, the number, dimensions and geometry of the elements for each set may differ without the advantages of the invention being lost.

Claims (8)

  1. Item (21, 51) comprising at least two sets (1, 31) of elements (3, 5, 7, 33, 35, 35', 37, 37') assembled to each other, each set (1, 31) comprising a first (3, 33), a second (5, 35') and a third (7, 37, 37') element with the first element (3, 33) and the second element (5, 35') disposed on either side of the third element (7, 37, 37'), the first (3, 33) and the second (5, 35') elements each including a first (2, 4) and a second (27, 28) blind recess and the third element (7, 37, 37') comprising a first (6) and a second (24) through hole, the first through hole (6) of the third element (7, 37, 37') being placed opposite the first blind recess (2, 4) of the first (3, 33) and second (5, 35') elements of each set (1, 31), the second through hole (24) of the third element (7, 37, 37') of one set (1, 31) being placed opposite the second blind recess (27, 28) of the first (3, 33) and second (5, 35) elements of another set (1, 31), each set (1, 31) includes a permanent securing device (9) including:
    - a first pin (11) mounted in the first through hole (6) of the third element (7, 37 37') and in the first blind recess (2, 4) of the first (3, 33) and second (5, 35') elements, the first pin (11) including, at one end mounted in the first blind recess (2) of the first element (3, 33), first locking means (8),
    - a first socket (13) disposed in the first blind recess (4) of the second element (5, 35'), the external wall (17) of the first socket (13) comprising second locking means (18) in said first blind recess (4) and the internal wall (19) being welded to the other end (12) of the first pin (11) or said other end (12) being press-fitted into said first socket (13),
    the item (21, 51) being characterized in that it includes another permanent securing device (9') connecting said at least two sets (1, 31), said other permanent securing device (9') comprising:
    - a second pin (11') mounted in the second through hole (24) of the third element (7, 37 37') and in the second blind recess (27, 28) of the first (3, 33) and second (5, 35') elements, the second pin (11') including, at one end mounted in the second blind recess (27) of the first element (3, 33), third locking means (8),
    - a second socket (13') disposed in the second blind recess (28) of the second element (5, 35'), the external wall (17) of the second socket (13') comprising fourth locking means (18') in said second blind recess (28) and the internal wall (19') being welded to the other end (12') of the second pin (11') or said other end (12') being press-fitted into said second socket (13').
  2. Item (21, 51) according to claim 1, characterized in that the first, second, third and/or fourth locking means (8, 8', 18, 18') are formed by a device of the internal (15, 15', 25, 25')/ external (16, 16', 26, 26') thread type or of the bayonet type.
  3. Item (21, 51) according to any of the preceding claims, characterized in that at least one portion of the first and second elements (3, 5, 33, 35') is formed with enamel and/or stone and/or ceramic.
  4. Item (21, 51) according to any of the preceding claims, characterized in that, in each set, the third element (7, 37, 37') is formed of several elements (37, 37') with an intermediate element (35) disposed between each of said several elements (37, 37').
  5. Item (21, 51) according to any of the preceding claims, characterized in that the first through hole (6) and/or the second through hole (24) of the third element (7, 37, 37') have a cross-section of non-circular shape matching that of the first and second pins (11, 11') respectively, in order to prevent any relative pivoting of the first, second and third elements (3, 5, 33, 35', 7, 37', 37).
  6. Item (21, 51) according to any of claims 1 to 5, characterized in that the first through hole (6) and the second through hole (24) of the third element (7, 37, 37') have a cross-section of circular shape matching that of the first and second pins (11, 11'), in order to allow the pivoting of the third element (7, 37, 37') with respect to the first and second elements (3, 5, 33, 35').
  7. Item (21, 51) according to any of the preceding claims, characterized in that it includes at least five sets (1, 31) connected to one another by the other permanent securing device (9') to form a bracelet, a decorative article or a jewellery item.
  8. Item (21, 51) according to any of the preceding claims, characterized in that the first and second pins and the second sockets (13, 13') are made of titanium and in that said other ends (12, 12') of the pins are driven into said second sockets (13, 13').
EP18205997.2A 2018-11-13 2018-11-13 Assembly of elements such as links of a bracelet Active EP3653074B1 (en)

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EP18205997.2A EP3653074B1 (en) 2018-11-13 2018-11-13 Assembly of elements such as links of a bracelet
US16/654,212 US11523662B2 (en) 2018-11-13 2019-10-16 Assembly of elements such as bracelet links
KR1020190136258A KR102372112B1 (en) 2018-11-13 2019-10-30 Assembly of elements such as bracelet links
JP2019198408A JP7084370B2 (en) 2018-11-13 2019-10-31 Assembly of elements like bracelet links
CN201911099265.0A CN111166020B (en) 2018-11-13 2019-11-12 Assembly consisting of elements such as links of a chain

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JP2020099676A (en) 2020-07-02
KR102372112B1 (en) 2022-03-07
US20200146403A1 (en) 2020-05-14
EP3653074A1 (en) 2020-05-20
JP7084370B2 (en) 2022-06-14
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