EP3578076A1 - Bracelet closure system - Google Patents

Bracelet closure system Download PDF

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Publication number
EP3578076A1
EP3578076A1 EP18175782.4A EP18175782A EP3578076A1 EP 3578076 A1 EP3578076 A1 EP 3578076A1 EP 18175782 A EP18175782 A EP 18175782A EP 3578076 A1 EP3578076 A1 EP 3578076A1
Authority
EP
European Patent Office
Prior art keywords
strand
bracelet
strands
groove
protrusion
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.)
Pending
Application number
EP18175782.4A
Other languages
German (de)
French (fr)
Inventor
Jean-Claude Martin
Cédric Nicolas
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP18175782.4A priority Critical patent/EP3578076A1/en
Priority to JP2019046748A priority patent/JP2019209122A/en
Priority to US16/364,900 priority patent/US11058191B2/en
Priority to CN201910279848.5A priority patent/CN110547569B/en
Publication of EP3578076A1 publication Critical patent/EP3578076A1/en
Priority to JP2022032031A priority patent/JP7492983B2/en
Priority to JP2024045379A priority patent/JP2024069642A/en
Pending legal-status Critical Current

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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
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2057—Fasteners locked by sliding or rotating of the male element of the fastener; Turn-button fasteners
    • 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
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2071—Fasteners for straps, chains or the like for open straps, chains or the like with the two ends of the strap or chain overlapping each other and fastened by an action perpendicularly to the main plane of these two ends
    • 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
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/0053—Flexible straps
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/005—Identification bracelets, e.g. secured to the arm of a person

Definitions

  • the present invention relates to closure systems for a bracelet, in particular for a flexible bracelet made of synthetic material such as for watch or jewel bracelets.
  • Watchbands with a pin buckle or folding clasp have been known for a long time. These systems are quite susceptible to wear, especially those of synthetic materials, are relatively thick and therefore not very comfortable, and have the additional disadvantage that the adjustment of the length of the bracelet is non-continuous, that is to say according to discrete positions which does not allow to properly adjust their length to the diameter of the wearer's wrist. Alternatives have been proposed, such as magnetic or clipped closure bracelets, which allow a more flexible adjustment, but which are often heavy and difficult to use, and / or which require a complex and expensive manufacturing process. In addition, the pin buckles and the folding loops have a large thickness of space that may in some cases be greater than that of the watch they are equipped, thus tarnishing the aesthetic appearance and where appropriate the comfort of the wristwatch .
  • the present invention aims to provide a bracelet provided with a light and thin closure system, small, continuously adjustable and which is both easy to use and to manufacture. This object is achieved by a bracelet according to the appended claims.
  • the invention relates to a bracelet comprising two strands and provided with a closure system which comprises at least one longitudinal groove on one of the two strands and at least one longitudinal protrusion on the other strand.
  • the material and the shape of the groove and the protrusion are configured so that these two elements interlock under the pressure exerted by the user of the bracelet on two parts of the strands which overlap.
  • the connection between the strands is easily separated, preferably by peeling the upper strand relative to the lower strand, without opening.
  • the bracelet of the invention is adjustable in length continuously, without requiring heavy or complex elements.
  • the figure 1 represents the two strands 1 and 2 of a watch strap according to a non-limiting embodiment of the invention and the figure 6 represents a watch 20 provided with this bracelet.
  • the strands are substantially flat and flexible, and provided with fasteners 3 for fastening a watch case 21 ( Fig. 6 ).
  • the user covers a strand, said the 'lower strand' 1 by a part of the other strand, called the 'upper strand' 2.
  • the lower strand 1 has two parallel grooves 4 relative to each other. to the other, which extend over substantially the entire length of its interaction surface with the upper strand 2.
  • Said upper strand 2 comprises two protrusions 5 extending substantially over the entire length of its interaction surface with the lower strand 1 and preferably in a continuous manner thereby forming two substantially parallel rails.
  • the protuberances 5 are positioned and shaped so that they interlock in the respective grooves 4, under the effect of pressure exerted by the user on the parts of the strands overlapping so as to secure the strands. lower and upper together.
  • the section of an outgrowth 5 and the corresponding groove 4 is shown in detail in FIG. figure 2 , in the case where the strands 1 and 2 are uniform elements, ie formed of a single material.
  • the section of the protrusion 5 of the upper strand 2 comprises a portion 10 of circular shape, called the "male housing portion", which is attached to the strand 2 by a neck section 11, which is narrower than the housing portion 10.
  • the groove section 4 of the lower strand 1 also comprises a housing portion 12 of circular shape which is accessible by a neck section 13 'female housing portion'.
  • the neck sections 11 and 13 are thus located between the male and female housing sections 10 and 12 and the surface of interaction of the respective strand 2 and 1.
  • the dimensions of the elements 12 and 13 of the groove 4 are equal to or slightly greater than the dimensions of the corresponding elements of the protrusion 5.
  • the male and female housing portions may have sections of different shapes as soon as an excrescence with a neck and a groove with a neck is found.
  • protrusions and grooves are rectilinear, one can also consider growths and corresponding grooves extending in curved or wavy lines.
  • the material of at least one of the strands 1 and 2 is sufficiently flexible so that the protuberances 5 are interlocked by an elastic clipping effect in the grooves 4 when the user compresses the overlapping strand portions. Under the pressure exerted by the user, the protuberances 5 and / or the grooves 4 undergo a slight elastic deformation which allows the passage of the male housing portions 10 of the protrusions 5 through the neck sections 13 of the grooves 4, resulting in a connection which is fixed in the direction perpendicular to the strands 1 and 2, but which is easily separable, preferably by peeling off the upper strand 2 from the lower strand 1.
  • 'peeling' is meant a manipulation exerted by the user which consists in the retraction of the upper strand 2 by taking the end of the upper strand 2 and gradually separating it from the lower strand 1. This manipulation makes it possible to remove the protrusion 5 or out of their groove 4 to unlock the closure system.
  • the number, position and size of the grooves can be adjusted according to the desired design, materials and fit.
  • the figure 3 represents the integral section of the bracelet of the figure 1 , in closed position. It can be seen that the two protuberances 5 are housed in the corresponding grooves 4. The protuberances 5 and the grooves 4 are on both sides and symmetrically with respect to the central and longitudinal plane 6 of the assembled strands. The friction forces between the strands 1 and 2 will prevent sliding separation.
  • the section of the interaction surface of the lower strand 1 is slightly convexly bent so that the upper strand 2 resumes the curvature of said surface in the closed position. The upper strand 2 is thus pressed against the lower strand 1 by the retention forces between the grooves 4 and the imbricated protrusions 5, which will increase the friction forces between the strands 1 and 2.
  • the grooves 4 of the lower strand 1 are provided with a zone 15 whose surface has received a structure which increases the roughness of said surface.
  • This structure will increase the frictional forces between the groove 4 and the protrusion 5 which is housed therein.
  • the structured surface may be provided on the grooves 4, on the protuberances 5 or on both.
  • the structure may be formed of a succession of bulges forming a corrugation extending along the longitudinal direction of the groove.
  • the structure may be provided over the entire length of the protuberances and / or grooves continuously or at regular intervals.
  • the number of excrescences 5 and the number of corresponding grooves 4 provided on the strands 1 and 2 of the bracelet is not limited within the scope of the invention.
  • the figure 5 represents a sectional view of a bracelet whose lower strand 1 comprises a single groove 4 whose width approaches the width of the strand 1.
  • a single protrusion 5 is provided on the upper strand 2.
  • the protrusion 5 and the groove 4 comprise again a neck section 11,13 and a housing portion 10,12 which allow the closure of the bracelet by an elastic clipping effect, thanks to a degree of flexibility of at least one of the materials used.
  • each strand is a uniform plastic element which allows the production of the strands by casting, injection or extrusion, or thermocompression.
  • Various injectable polymeric materials or vulcanized rubber are usable.
  • a combination of different materials may be considered, for example bi-material injection to achieve areas of different stiffness may be considered.
  • rigid, semi-rigid or articulated strands for example with metal or ceramic links or leather.
  • One of the strands then comprises one or more grooves machined in the links.
  • the other strand is provided with one or more protuberances of flexible material such as rubber, which is attached (eg glued or overmolded) on the mesh surface of the strand.
  • the position of the grooves 4 and excrescences 5 can be reversed with respect to the positions shown in the figures: the protuberances 5 can be on the lower strand 1 and the grooves 4 can be on the upper strand 2.
  • only one protrusion 5 is present for each groove 4.
  • a number of longitudinal protrusions arranged in series can be provided for each groove, all of which will fit in the same groove 4.
  • the bracelet of the invention is not limited to a watchband comprising a watch case and two separate strands.
  • the invention also comprises a bracelet in which the first and second strands are interconnected by one of their ends to form a single-piece band B in one piece, for example known under its name NATO, and wherein portions at both ends of the band overlap when the user puts the bracelet as shown in the figure 7 in which my same elements described in connection with the Figures 1 to 6 designate the same elements.
  • a bracelet of this type and according to the invention comprises a first part of one side of the strip, provided with at least one groove 4 and a second part on the other side of the strip provided with at least one protrusion 5 as described above.
  • the two parts of B-band represent in this case the 'first and second strand' in a bracelet according to the invention.
  • a bracelet according to the invention combines a continuous length adjustment with a number of additional advantages.
  • the bracelet is easy to use and to manufacture. It is lightweight since no weight for the clasp or magnets is added. It is comfortable for the user thanks to the absence of rigid elements and its small size. In addition, it is very easy to maintain and avoids persistent clogging as in the folding loops.
  • the insertion and peeling force can be easily modified by adapting the geometry, the position and / or the number of protrusion / groove pairs.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Adornments (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

L'invention concerne un bracelet comprenant deux brins (1,2) pourvus d'un système de fermeture qui comprend au moins une rainure (4) longitudinale sur l'un des deux brins et au moins une excroissance longitudinale (5) sur l'autre brin. Le matériau et la forme de la rainure et de l'excroissance sont configurés pour que ces deux éléments s'imbriquent sous la pression exercée par l'utilisateur du bracelet, sur deux parties des brins qui se recouvrent. La connexion entre les brins (1,2) se laisse facilement séparer de préférence par pelage du brin supérieur (2) par rapport au brin inférieur (1). Le bracelet de l'invention est réglable en longueur de manière continue, sans requérir des éléments lourds ou complexes.The invention relates to a bracelet comprising two strands (1,2) provided with a closure system which comprises at least one longitudinal groove (4) on one of the two strands and at least one longitudinal protrusion (5) on the other strand. The material and the shape of the groove and the projection are configured so that these two elements overlap under the pressure exerted by the user of the bracelet, on two parts of the strands which overlap. The connection between the strands (1,2) can be easily separated preferably by peeling the upper strand (2) relative to the lower strand (1). The bracelet of the invention is continuously adjustable in length, without requiring heavy or complex elements.

Description

Domaine techniqueTechnical area

La présente invention se rapporte à des systèmes de fermeture pour un bracelet, notamment pour bracelet souple en matière synthétique tel que pour des bracelets de montre ou de bijou.The present invention relates to closure systems for a bracelet, in particular for a flexible bracelet made of synthetic material such as for watch or jewel bracelets.

État de la techniqueState of the art

Les bracelets de montre pourvus d'une boucle à ardillon ou d'une boucle déployante sont connus depuis longtemps. Ces systèmes sont assez susceptibles à l'usure, notamment ceux en matières synthétiques, sont relativement épais donc peu confortable, et ont comme inconvénient additionnel que le réglage de la longueur du bracelet se fait de manière non-continue c'est-à-dire selon des positions discrètes ce qui ne permet pas d'ajuster correctement leur longueur au diamètre du poignet du porteur. Des alternatives ont été proposées, comme les bracelets à fermeture magnétique ou clippée, qui permettent un réglage plus flexible, mais qui sont souvent lourds et difficiles à utiliser, et/ou qui requièrent un procédé de fabrication complexe et coûteux. De plus, les boucles à ardillon et les boucles déployantes présentent un encombrement en épaisseur important qui peut dans certains cas être supérieur à celui de la montre qu'ils équipent, péjorant ainsi l'aspect esthétique et le cas échéant le confort de la montre bracelet.Watchbands with a pin buckle or folding clasp have been known for a long time. These systems are quite susceptible to wear, especially those of synthetic materials, are relatively thick and therefore not very comfortable, and have the additional disadvantage that the adjustment of the length of the bracelet is non-continuous, that is to say according to discrete positions which does not allow to properly adjust their length to the diameter of the wearer's wrist. Alternatives have been proposed, such as magnetic or clipped closure bracelets, which allow a more flexible adjustment, but which are often heavy and difficult to use, and / or which require a complex and expensive manufacturing process. In addition, the pin buckles and the folding loops have a large thickness of space that may in some cases be greater than that of the watch they are equipped, thus tarnishing the aesthetic appearance and where appropriate the comfort of the wristwatch .

Résumé de l'inventionSummary of the invention

La présente invention vise à fournir un bracelet pourvu d'un système de fermeture léger et fin, peu volumineux, réglable de manière continue et qui est à la fois facile à utiliser et à fabriquer. Ce but est atteint par un bracelet selon les revendications annexées.The present invention aims to provide a bracelet provided with a light and thin closure system, small, continuously adjustable and which is both easy to use and to manufacture. This object is achieved by a bracelet according to the appended claims.

L'invention concerne un bracelet comprenant deux brins et pourvu d'un système de fermeture qui comprend au moins une rainure longitudinale sur l'un des deux brins et au moins une excroissance longitudinale sur l'autre brin. Le matériau et la forme de la rainure et de l'excroissance sont configurés pour que ces deux éléments s'imbriquent sous la pression exercée par l'utilisateur du bracelet, sur deux parties des brins qui se recouvrent. La connexion entre les brins se laisse facilement séparer, de préférence par pelage du brin supérieur par rapport au brin inférieur, sans pour autant s'ouvrir. Le bracelet de l'invention est réglable en longueur de manière continue, sans requérir d'éléments lourds ou complexes.The invention relates to a bracelet comprising two strands and provided with a closure system which comprises at least one longitudinal groove on one of the two strands and at least one longitudinal protrusion on the other strand. The material and the shape of the groove and the protrusion are configured so that these two elements interlock under the pressure exerted by the user of the bracelet on two parts of the strands which overlap. The connection between the strands is easily separated, preferably by peeling the upper strand relative to the lower strand, without opening. The bracelet of the invention is adjustable in length continuously, without requiring heavy or complex elements.

D'autres caractéristiques et avantages de la présente invention apparaîtront dans la description suivante de modes de réalisation préférés, présentés à titre d'exemple non limitatif en référence aux dessins annexés.Other features and advantages of the present invention will appear in the following description of preferred embodiments, presented by way of non-limiting example with reference to the accompanying drawings.

Brève description des figuresBrief description of the figures

  • La figure 1 représente un bracelet selon une forme d'exécution préférée de l'invention.The figure 1 represents a bracelet according to a preferred embodiment of the invention.
  • La figure 2 représente une vue en coupe des éléments coopérant dans le bracelet de la figure 1.The figure 2 represents a sectional view of the elements cooperating in the bracelet of the figure 1 .
  • La figure 3 représente une vue en coupe du bracelet complet selon la figure 1.The figure 3 represents a sectional view of the complete bracelet according to the figure 1 .
  • La figure 4 représente une forme d'exécution d'un brin de bracelet pourvu dans sa rainure de moyens pour augmenter les forces de friction entre les brins du bracelet.The figure 4 represents an embodiment of a bracelet strand provided in its groove means for increasing the frictional forces between the strands of the bracelet.
  • La figure 5 représente une vue en coupe d'un bracelet selon une autre forme d'exécution de l'invention.The figure 5 represents a sectional view of a bracelet according to another embodiment of the invention.
  • La figure 6 représente une montre pourvue du bracelet muni du système de fermeture selon l'invention.The figure 6 represents a watch provided with the bracelet provided with the closure system according to the invention.
  • La figure 7 représente un bracelet selon une autre forme d'exécution de l'invention dans laquelle les deux brins sont d'un seul tenant pour former une bande.The figure 7 represents a bracelet according to another embodiment of the invention in which the two strands are in one piece to form a band.
Description détaillée d'un nombre de formes d'exécution de l'inventionDetailed description of a number of embodiments of the invention

La figure 1 représente les deux brins 1 et 2 d'un bracelet de montre selon une forme d'exécution non-limitative de l'invention et la figure 6 représente une montre 20 pourvue de ce bracelet. Les brins sont sensiblement plats et souples, et pourvus d'attaches 3 pour la fixation d'une boîte de montre 21 (Fig. 6). Pour fermer le bracelet, l'utilisateur recouvre un brin, dit le 'brin inférieur' 1 par une partie de l'autre brin, dit le 'brin supérieur' 2. Le brin inférieur 1 comporte deux rainures 4 parallèles l'une par rapport à l'autre, qui s'étendent sur essentiellement toute la longueur de sa surface d'interaction avec le brin supérieur 2. Ledit brin supérieur 2 comporte deux excroissances 5 s'étendant essentiellement sur toute la longueur de sa surface d'interaction avec le brin inférieur 1 et de préférence de manière continue formant ainsi deux rails sensiblement parallèles. Les excroissances 5 sont positionnées et formées de manière à ce qu'elles s'imbriquent dans les rainures 4 respectives, sous l'effet d'une pression exercée par l'utilisateur sur les parties des brins qui se recouvrent de manière à solidariser les brins inférieur et supérieur ensemble.The figure 1 represents the two strands 1 and 2 of a watch strap according to a non-limiting embodiment of the invention and the figure 6 represents a watch 20 provided with this bracelet. The strands are substantially flat and flexible, and provided with fasteners 3 for fastening a watch case 21 ( Fig. 6 ). To close the bracelet, the user covers a strand, said the 'lower strand' 1 by a part of the other strand, called the 'upper strand' 2. The lower strand 1 has two parallel grooves 4 relative to each other. to the other, which extend over substantially the entire length of its interaction surface with the upper strand 2. Said upper strand 2 comprises two protrusions 5 extending substantially over the entire length of its interaction surface with the lower strand 1 and preferably in a continuous manner thereby forming two substantially parallel rails. The protuberances 5 are positioned and shaped so that they interlock in the respective grooves 4, under the effect of pressure exerted by the user on the parts of the strands overlapping so as to secure the strands. lower and upper together.

La section d'une excroissance 5 et de la rainure correspondante 4 est représentée en détail à la figure 2, pour le cas où les brins 1 et 2 sont des éléments uniformes, i.e. formés d'un seul matériau. On voit que la section de l'excroissance 5 du brin supérieur 2 comprend une portion 10 de forme, circulaire, dite 'portion de logement mâle', qui est attachée au brin 2 par une section de col 11, qui est plus étroite que la portion de logement 10. La section de la rainure 4 du brin inférieur 1 comprend également une portion de logement 12 de forme, circulaire qui est accessible par une section de col 13 'portion de logement femelle'. Les sections de col 11 et 13 sont donc situées entre les sections de logement mâle et femelle 10 et 12 et la surface d'interaction du brin respectif 2 et 1. Les dimensions des éléments 12 et 13 de la rainure 4 sont égales ou légèrement supérieures aux dimensions des éléments correspondants de l'excroissance 5.The section of an outgrowth 5 and the corresponding groove 4 is shown in detail in FIG. figure 2 , in the case where the strands 1 and 2 are uniform elements, ie formed of a single material. It can be seen that the section of the protrusion 5 of the upper strand 2 comprises a portion 10 of circular shape, called the "male housing portion", which is attached to the strand 2 by a neck section 11, which is narrower than the housing portion 10. The groove section 4 of the lower strand 1 also comprises a housing portion 12 of circular shape which is accessible by a neck section 13 'female housing portion'. The neck sections 11 and 13 are thus located between the male and female housing sections 10 and 12 and the surface of interaction of the respective strand 2 and 1. The dimensions of the elements 12 and 13 of the groove 4 are equal to or slightly greater than the dimensions of the corresponding elements of the protrusion 5.

Il va de soi que selon une variante les portions de logement mâle et femelle peuvent présenter des sections de formes différentes dès lors que l'on retrouve une excroissance avec un col et une rainure avec un col.It goes without saying that, according to one variant, the male and female housing portions may have sections of different shapes as soon as an excrescence with a neck and a groove with a neck is found.

On notera que bien que dans l'exemple illustré les excroissances et les rainures soient rectilignes, on peut également envisager des excroissances et des rainures correspondantes s'étendant selon des lignes courbes ou ondulées.Note that although in the illustrated example the protrusions and grooves are rectilinear, one can also consider growths and corresponding grooves extending in curved or wavy lines.

Le matériau d'au moins un des brins 1 et 2 est suffisamment souple pour que les excroissances 5 viennent s'imbriquer par un effet de clippage élastique dans les rainures 4 quand l'utilisateur comprime les parties de brin qui se recouvrent. Sous la pression exercée par l'utilisateur, les excroissances 5 et/ou les rainures 4 subissent une légère déformation élastique qui permet le passage des portions de logement mâles10 des excroissances 5 à travers les sections de col 13 des rainures 4, résultant en une connexion qui est fixe dans la direction perpendiculaire par rapport aux brins 1 et 2, mais qui est facilement séparable, de préférence par pelage du brin 2 supérieur par rapport au brin inférieur 1. Par 'pelage' on entend une manipulation exercée par l'utilisateur qui consiste en la rétraction du brin supérieur 2 en prenant le bout du brin supérieur 2 et en le séparant progressivement du brin inférieur 1. Cette manipulation permet de retirer la ou les excroissances 5 hors de leur rainure 4 pour déverrouiller le système de fermeture. Le nombre, la position et la taille des rainures peuvent être ajustés selon le design, les matières et la tenue souhaités.The material of at least one of the strands 1 and 2 is sufficiently flexible so that the protuberances 5 are interlocked by an elastic clipping effect in the grooves 4 when the user compresses the overlapping strand portions. Under the pressure exerted by the user, the protuberances 5 and / or the grooves 4 undergo a slight elastic deformation which allows the passage of the male housing portions 10 of the protrusions 5 through the neck sections 13 of the grooves 4, resulting in a connection which is fixed in the direction perpendicular to the strands 1 and 2, but which is easily separable, preferably by peeling off the upper strand 2 from the lower strand 1. By 'peeling' is meant a manipulation exerted by the user which consists in the retraction of the upper strand 2 by taking the end of the upper strand 2 and gradually separating it from the lower strand 1. This manipulation makes it possible to remove the protrusion 5 or out of their groove 4 to unlock the closure system. The number, position and size of the grooves can be adjusted according to the desired design, materials and fit.

La figure 3 représente la section intégrale du bracelet de la figure 1, en position fermée. On voit que les deux excroissances 5 sont logées dans les rainures 4 correspondantes. Les excroissances 5 et les rainures 4 se trouvent des deux côtés et de manière symétrique par rapport au plan central et longitudinal 6 des brins assemblés. Les forces de friction entre les brins 1 et 2 vont empêcher la séparation par coulissement. De préférence, la section de la surface d'interaction du brin inférieur 1 est légèrement courbée de manière convexe pour que le brin supérieur 2 reprenne la courbure de ladite surface en position fermée. Le brin supérieur 2 est ainsi pressé contre le brin inférieur 1 par les forces de rétention entre les rainures 4 et les excroissances 5 imbriquées, ce qui va augmenter les forces de friction entre les brins 1 et 2.The figure 3 represents the integral section of the bracelet of the figure 1 , in closed position. It can be seen that the two protuberances 5 are housed in the corresponding grooves 4. The protuberances 5 and the grooves 4 are on both sides and symmetrically with respect to the central and longitudinal plane 6 of the assembled strands. The friction forces between the strands 1 and 2 will prevent sliding separation. Preferably, the section of the interaction surface of the lower strand 1 is slightly convexly bent so that the upper strand 2 resumes the curvature of said surface in the closed position. The upper strand 2 is thus pressed against the lower strand 1 by the retention forces between the grooves 4 and the imbricated protrusions 5, which will increase the friction forces between the strands 1 and 2.

Dans la forme d'exécution illustrée à la figure 4, les rainures 4 du brin inférieur 1 sont pourvues d'une zone 15 dont la surface a reçu une structure qui augmente la rugosité de ladite surface. Cette structure va augmenter les forces de friction entre la rainure 4 et l'excroissance 5 qui y est logée. La surface structurée peut être prévue sur les rainures 4, sur les excroissances 5 ou sur les deux. A titre d'exemple la structure peut être formée d'une succession de renflements formant une ondulation s'étendant le long de la direction longitudinale de la rainure. La structure peut être prévue sur toute la longueur des excroissances et/ ou des rainures de manière continue ou à intervalle régulier.In the embodiment illustrated in figure 4 , the grooves 4 of the lower strand 1 are provided with a zone 15 whose surface has received a structure which increases the roughness of said surface. This structure will increase the frictional forces between the groove 4 and the protrusion 5 which is housed therein. The structured surface may be provided on the grooves 4, on the protuberances 5 or on both. By way of example, the structure may be formed of a succession of bulges forming a corrugation extending along the longitudinal direction of the groove. The structure may be provided over the entire length of the protuberances and / or grooves continuously or at regular intervals.

Au lieu d'une surface structurée, et selon des variantes d'autres moyens antifriction peuvent être créés sur les rainures 4 et/ou sur les excroissances 5, tels que des modifications des dimensions, par exemple des vagues ou renflements à intervalle régulier.Instead of a structured surface, and variants of other anti-friction means can be created on the grooves 4 and / or on the protuberances 5, such as dimensional changes, for example waves or bulges at regular intervals.

Le nombre d'excroissances 5 et le nombre de rainures 4 correspondantes prévues sur les brins 1 et 2 du bracelet n'est pas limité dans le cadre de l'invention. La figure 5 représente une vue en section d'un bracelet dont le brin inférieur 1 comporte une seule rainure 4 dont la largeur approche la largeur du brin 1. Une seule excroissance 5 est prévue sur le brin supérieur 2. L'excroissance 5 et la rainure 4 comprennent de nouveau une section de col 11,13 et une portion de logement 10,12 qui permettent la fermeture du bracelet par un effet de clippage élastique, grâce à un degré de souplesse d'au moins un des matériaux utilisés.The number of excrescences 5 and the number of corresponding grooves 4 provided on the strands 1 and 2 of the bracelet is not limited within the scope of the invention. The figure 5 represents a sectional view of a bracelet whose lower strand 1 comprises a single groove 4 whose width approaches the width of the strand 1. A single protrusion 5 is provided on the upper strand 2. The protrusion 5 and the groove 4 comprise again a neck section 11,13 and a housing portion 10,12 which allow the closure of the bracelet by an elastic clipping effect, thanks to a degree of flexibility of at least one of the materials used.

Selon des formes d'exécution de l'invention, chaque brin est un élément uniforme en matière plastique qui permet la fabrication des brins par coulée, injection ou extrusion, ou par thermocompression. Divers matériaux polymères injectables ou le caoutchouc vulcanisé sont utilisables. De manière alternative, une combinaison de matériaux différents peut être envisagée, par exemple une injection bi-matière pour pouvoir réaliser des zones de différentes rigidités peut être envisagée. Par exemple, on peut utiliser des brins rigides, semi rigides ou articulés, par exemple à maillons métalliques ou céramiques ou en cuir. L'un des brins comporte alors une ou plusieurs rainures usinées dans les maillons. L'autre brin est pourvu d'une ou plusieurs excroissances en matériau souple tel que le caoutchouc, qui est attaché (par exemple collée ou surmoulée) sur la surface maillée du brin.According to embodiments of the invention, each strand is a uniform plastic element which allows the production of the strands by casting, injection or extrusion, or thermocompression. Various injectable polymeric materials or vulcanized rubber are usable. Alternatively, a combination of different materials may be considered, for example bi-material injection to achieve areas of different stiffness may be considered. For example, it is possible to use rigid, semi-rigid or articulated strands, for example with metal or ceramic links or leather. One of the strands then comprises one or more grooves machined in the links. The other strand is provided with one or more protuberances of flexible material such as rubber, which is attached (eg glued or overmolded) on the mesh surface of the strand.

Il est évident que la position des rainures 4 et des excroissances 5 peut être renversée par rapport aux positions montrées aux figures : les excroissances 5 peuvent se trouver sur le brin inférieur 1 et les rainures 4 peuvent se trouver sur le brin supérieur 2.It is obvious that the position of the grooves 4 and excrescences 5 can be reversed with respect to the positions shown in the figures: the protuberances 5 can be on the lower strand 1 and the grooves 4 can be on the upper strand 2.

De préférence, une seule excroissance 5 est présente pour chaque rainure 4. Alternativement, on peut prévoir pour chaque rainure un nombre d'excroissances 5 longitudinales disposées en série, qui vont toutes s'imbriquer dans la même rainure 4.Preferably, only one protrusion 5 is present for each groove 4. Alternatively, a number of longitudinal protrusions arranged in series can be provided for each groove, all of which will fit in the same groove 4.

Le bracelet de l'invention n'est pas limité à un bracelet de montre comprenant une boîte de montre et deux brins séparés. L'invention comprend également un bracelet dans lequel les premiers et second brins sont reliés entre eux par une de leurs extrémités pour former une bande B d'un seul tenant en une seule pièce, par exemple connu sous sa dénomination NATO, et dans lequel des portions aux deux extrémités de la bande se recouvrent quand l'utilisateur met le bracelet comme cela est illustré à la figure 7 dans laquelle mes mêmes éléments décrits en liaison avec les figures 1 à 6 désignent les mêmes éléments. Un bracelet de ce type et selon l'invention comprend une première partie d'un côté de la bande, pourvue d'au moins une rainure 4 et une deuxième partie de l'autre côté de la bande pourvue d'au moins une excroissance 5 telle que décrit ci-dessus. Les deux parties de bande B représentent dans ce cas le 'premier et deuxième brin' dans un bracelet selon l'invention.The bracelet of the invention is not limited to a watchband comprising a watch case and two separate strands. The invention also comprises a bracelet in which the first and second strands are interconnected by one of their ends to form a single-piece band B in one piece, for example known under its name NATO, and wherein portions at both ends of the band overlap when the user puts the bracelet as shown in the figure 7 in which my same elements described in connection with the Figures 1 to 6 designate the same elements. A bracelet of this type and according to the invention comprises a first part of one side of the strip, provided with at least one groove 4 and a second part on the other side of the strip provided with at least one protrusion 5 as described above. The two parts of B-band represent in this case the 'first and second strand' in a bracelet according to the invention.

Un bracelet selon l'invention combine un réglage de longueur continu avec un nombre d'avantages additionnels. Le bracelet est facile à utiliser et à fabriquer. Il est léger puisqu'aucun poids pour le fermoir ou les aimants n'est ajouté. Il est confortable pour l'utilisateur grâce à l'absence d'éléments rigides et à son faible encombrement. De plus, il est très simple à l'entretien et évite les encrassements persistants comme dans les boucles déployantes.A bracelet according to the invention combines a continuous length adjustment with a number of additional advantages. The bracelet is easy to use and to manufacture. It is lightweight since no weight for the clasp or magnets is added. It is comfortable for the user thanks to the absence of rigid elements and its small size. In addition, it is very easy to maintain and avoids persistent clogging as in the folding loops.

On notera encore que la force d'insertion et de pelage peut être modifiée aisément en adaptant la géométrie, la position et/ou le nombre de couples excroissance/rainure.It will also be noted that the insertion and peeling force can be easily modified by adapting the geometry, the position and / or the number of protrusion / groove pairs.

Claims (15)

Bracelet comprenant un premier brin (1) et un second brin (2) et dans lequel une surface d'un des brins recouvre au moins partiellement une surface de l'autre brin quand le bracelet est fermé, caractérisé en ce que : • le bracelet est pourvu d'un système de fermeture comprenant au moins une rainure (4) qui s'étend sur ladite surface du premier brin en direction longitudinale dudit premier brin, et au moins une excroissance (5) qui s'étend sur ladite surface du deuxième brin en direction longitudinale dudit deuxième brin, et dans lequel l'excroissance (5) ainsi que la rainure (4) comprennent une portion de logement (10,12) et une section de col (11,13) avec ladite section de col (11,13) située entre la portion de logement (10,12) et la surface du brin respectif, • le matériau de l'excroissance (5) et/ou de la rainure (4) a un degré de souplesse qui permet que la portion de logement (10) de l'excroissance (5) s'imbrique dans la portion de logement (12) de la rainure (4), quand l'utilisateur du bracelet comprime deux parties des deux brins (1,2) respectives qui se recouvrent, l'un desdits premier ou second brins (1), se trouvant en position inférieure et l'autre desdits premier ou second brins (2) se trouvant en position supérieure. Bracelet comprising a first strand (1) and a second strand (2) and wherein a surface of one strand at least partially covers one surface of the other strand when the strap is closed, characterized in that : The bracelet is provided with a closure system comprising at least one groove (4) which extends on said surface of the first strand in the longitudinal direction of said first strand, and at least one protrusion (5) which extends over said second strand surface in the longitudinal direction of said second strand, and wherein the protrusion (5) and the groove (4) comprise a housing portion (10,12) and a neck section (11,13) with said section neck (11,13) located between the housing portion (10,12) and the respective strand surface, The material of the protuberance (5) and / or the groove (4) has a degree of flexibility which allows the housing portion (10) of the protuberance (5) to fit into the housing portion ( 12) of the groove (4), when the user of the bracelet compresses two parts of the two respective strands (1,2) which overlap, one of said first or second strands (1), being in the lower position and the other of said first or second strands (2) being in the upper position. Bracelet selon la revendication 1, configuré pour que, en position fermée du bracelet, le pelage du brin supérieur (2) par rapport au brin inférieur (1) permet de retirer l'excroissance (5) hors de la rainure (4) pour déverrouiller le système de fermeture du bracelet.Bracelet according to claim 1, configured so that, in the closed position of the bracelet, the peeling of the upper strand (2) relative to the lower strand (1) makes it possible to remove the protrusion (5) out of the groove (4) to unlock the closing system of the bracelet. Bracelet selon l'une quelconque des revendications précédentes, dans lequel les brins (1,2) sont des éléments uniformes formés d'un matériau souple.A bracelet as claimed in any one of the preceding claims, wherein the strands (1,2) are uniform elements formed of a flexible material. Bracelet selon la revendication 3, dans lequel les brins (1,2) sont formés en polymère ou en caoutchouc.The bracelet of claim 3, wherein the strands (1,2) are formed of polymer or rubber. Bracelet selon l'une quelconque des revendications 1 et 2, dans lequel ladite au moins une rainure (4) et/ou ladite au moins une excroissance (5) est un élément formé en matériau souple, qui est attaché audit premier et/ou deuxième brin, et dans lequel ledit matériau souple est un matériau autre que le matériau du brin auquel la rainure et/ou l'excroissance est attachée.Bracelet according to any one of claims 1 and 2, wherein said at least one groove (4) and / or said at least one protrusion (5) is a member formed of flexible material, which is attached to said first and / or second strand, and wherein said flexible material is a material other than the strand material to which the groove and / or the protrusion is attached. Bracelet selon l'une quelconque des revendications précédentes, dans lequel le premier brin comprend deux rainures (4) et le deuxième brin comprend deux excroissances (5), les deux rainures et les deux excroissances se trouvant d'un côté et l'autre et de manière symétrique par rapport au plan central et longitudinal (6) des brins respectifs.Bracelet according to any one of the preceding claims, in which the first strand comprises two grooves (4) and the second strand comprises two protuberances (5), the two grooves and the two protuberances lying on one side and the other symmetrically with respect to the central and longitudinal plane (6) of the respective strands. Bracelet selon l'une quelconque des revendications 1 à 5, dans lequel le premier brin comprend une seule rainure (4) dont la largeur approche la largeur dudit premier brin, et le deuxième brin comprend une seule excroissance (5).Bracelet according to any one of claims 1 to 5, wherein the first strand comprises a single groove (4) whose width approaches the width of said first strand, and the second strand comprises a single protrusion (5). Bracelet selon l'une quelconque des revendications précédentes, dans lequel la section de la surface du brin inférieur (1) est courbée de manière convexe.A bracelet according to any one of the preceding claims, wherein the section of the surface of the lower strand (1) is convexly curved. Bracelet selon l'une quelconque des revendications précédentes, dans lequel au moins une des rainures (4) et/ou des excroissances (5) est pourvue d'une ou plusieurs zones (15) dont la surface est pourvue d'une structure ou d'un revêtement qui augmente la rugosité de ladite surface.Bracelet according to any one of the preceding claims, in which at least one of the grooves (4) and / or protuberances (5) is provided with one or more zones (15) whose surface is provided with a structure or a coating which increases the roughness of said surface. Bracelet selon l'une quelconque des revendications précédentes, dans lequel la surface d'au moins une des rainures (4) et/ou des excroissances (5) est pourvue de modifications des dimensions de ladite surface, à intervalle régulier.Bracelet according to any one of the preceding claims, wherein the surface of at least one of the grooves (4) and / or protuberances (5) is provided with modifications of the dimensions of said surface, at regular intervals. Bracelet selon l'une quelconque des revendications précédentes, dans lequel les portions de logement (10,12) d'au moins une des excroissances (5) et de la rainure (4) correspondante ont une section de forme circulaire.Bracelet according to any one of the preceding claims, wherein the housing portions (10,12) of at least one of the protuberances (5) and the groove (4) corresponding to a circular section. Bracelet selon l'une quelconque des revendications précédentes caractérisé en ce que les premiers et second brins sont reliés entre eux par une de leurs extrémités pour former une bande d'un seul tenant.Bracelet according to any one of the preceding claims, characterized in that the first and second strands are interconnected by one of their ends to form a band in one piece. Bracelet selon la revendication 12, caractérisé en ce que les premier et second brins sont réalisés en une seule pièce.Bracelet according to claim 12, characterized in that the first and second strands are made in one piece. Le bracelet selon l'une quelconque des revendications précédentes, dans lequel le bracelet est un bracelet d'une montre ou d'un bijou.The bracelet of any one of the preceding claims, wherein the bracelet is a bracelet of a watch or a jewel. Montre (14) ou bijou comprenant le bracelet selon l'une quelconque des revendications précédentes.Watch (14) or jewel comprising the bracelet according to any one of the preceding claims.
EP18175782.4A 2018-06-04 2018-06-04 Bracelet closure system Pending EP3578076A1 (en)

Priority Applications (6)

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EP18175782.4A EP3578076A1 (en) 2018-06-04 2018-06-04 Bracelet closure system
JP2019046748A JP2019209122A (en) 2018-06-04 2019-03-14 Bracelet fastening system
US16/364,900 US11058191B2 (en) 2018-06-04 2019-03-26 Bracelet fastening system
CN201910279848.5A CN110547569B (en) 2018-06-04 2019-04-09 Chain fastening system
JP2022032031A JP7492983B2 (en) 2018-06-04 2022-03-02 Wristband fastening system
JP2024045379A JP2024069642A (en) 2018-06-04 2024-03-21 Wristband fastening system

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