EP3309626A1 - Method for manufacturing a raised pattern provided with a fastener - Google Patents

Method for manufacturing a raised pattern provided with a fastener Download PDF

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Publication number
EP3309626A1
EP3309626A1 EP16193773.5A EP16193773A EP3309626A1 EP 3309626 A1 EP3309626 A1 EP 3309626A1 EP 16193773 A EP16193773 A EP 16193773A EP 3309626 A1 EP3309626 A1 EP 3309626A1
Authority
EP
European Patent Office
Prior art keywords
envelope
decoration
fastener
relief
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16193773.5A
Other languages
German (de)
French (fr)
Inventor
Pierry Vuille
Yves Winkler
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 EP16193773.5A priority Critical patent/EP3309626A1/en
Priority to EP17768161.6A priority patent/EP3526645B1/en
Priority to US16/334,069 priority patent/US11077704B2/en
Priority to JP2019517769A priority patent/JP6826196B2/en
Priority to CN201780062914.2A priority patent/CN109804322B/en
Priority to PCT/EP2017/074084 priority patent/WO2018069023A1/en
Publication of EP3309626A1 publication Critical patent/EP3309626A1/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
    • G04B19/103—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial attached or inlaid numbers
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0043—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the time-indicating mechanisms
    • G04D3/0051—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the time-indicating mechanisms for time markers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/28—Uniting ornamental elements on a support, e.g. mosaics

Definitions

  • the invention relates to a relief decoration provided with a fastener for attachment to a workpiece.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing an automated manufacturing process that uses less material, makes possible a greater variety of materials while ensuring color and finish to reduce the rate of scum.
  • the method allows the manufacture of a relief decoration provided with at least one fastener whose envelope forms a "skin" of material, that is to say a predetermined thickness of material, the remainder of the volume being hollowed out of said material, which makes it possible to very substantially reduce the cost of the material and the mass of the decoration.
  • the material used for said at least one fastener can be, advantageously according to the invention, completely independent of the material used for the envelope. It is thus possible, by way of example, to manufacture a fastener of a more usual metal such as brass or of polymeric material allowing a varied shaping.
  • the invention relates to a method of manufacturing a relief decoration provided with a fastener which can, for example, form all or part of a flange, a dial, a wall or a needle of a timepiece.
  • a fastener which can, for example, form all or part of a flange, a dial, a wall or a needle of a timepiece.
  • these sets are generally made from materials insensitive to the oxidizing atmosphere of the air. It is quite common for high-end timepieces that the index hours, the dial or the hands are formed from precious metal, such as gold, which makes very expensive the dressing timepieces .
  • the present method comprises a first step a) intended to form an envelope of material whose outer surface S E forms the visible part in relief of the decoration.
  • the decoration comprises a raised envelope which forms a "skin" of material, that is to say a predetermined thickness of material, the remainder of the volume being hollowed out from said material, which makes it possible to decrease very substantially the cost of the material and the mass of the decoration. It is thus possible, by way of example, to manufacture a wall lamp whose visible surface in relief is formed of a precious metal, such as gold, while limiting its intrinsic cost by not using the material in question. base of precious metal only for the thickness of the envelope and not the entire set.
  • the first step a) may comprise a first phase a1) intended to form a footprint 3 of said decoration in a substrate 1 as visible in FIG. Figure 1A .
  • the substrate 1 may be of various kinds, for example based on silicon, ceramic or metal.
  • the layer of material 7 may, for example, be deposited by galvanic growth, by physical vapor deposition (known by the abbreviation "PVD”), by chemical vapor deposition (known by the abbreviation “CVD”). ), by atomic layer deposition (known by the abbreviation "ALD”) or by any other additive method.
  • the second phase a2) may comprise a preparation of the substrate 1 and then, only after, the deposition of the material 7 of the envelope 9.
  • the preparation of the substrate 1 is intended to make possible the adhesion of the material 7 to the substrate 1.
  • the preparation can thus consist in making more rough at least a portion of the upper surface of the substrate 1 and / or deposit a layer of bonding on at least a portion of the upper surface of the substrate 1 and / or depositing a technical layer on at least a portion of the upper surface of the substrate 1 for depositing the material 7 as illustrated in FIG. figure 1C .
  • the layer 7 may be deposited on all or part of the upper surface of the substrate 1 and at least so as to cover without necessarily completely fill the footprint 3 of the future decoration 15.
  • Figures 1B at 1D proposes to deposit an electrically conductive layer 5 over the entire upper surface of the substrate 1 by physical vapor deposition, to deposit the layer 7 by galvanic growth from the layer 5, that is to say over the entire upper surface of the substrate 1 and then leave the layer 7 only in the cavity 3 in order to form the envelope 9.
  • This example makes it possible to produce a plurality of different or identical envelopes 9 on the same substrate 1, ie to manufacture in series of envelopes 9.
  • step a) comprises a first phase a4) intended to be provided with a sheet of the material intended to form the envelope 9 of the decoration 15.
  • the step could then be continued with the second phase a5) for deforming the sheet of material so as to form said envelope of material.
  • several envelopes 9 different or identical could be made on the same sheet of material, that is to say, in series manufacturing envelopes 9.
  • the sheet could also be advantageously used as a support.
  • an amorphous metal alloy sheet based on a precious metal such as palladium or platinum
  • a precious metal such as palladium or platinum
  • an amorphous metal alloy is easy to deform when heated between its glass transition temperature and its crystallization temperature.
  • it advantageously comprises a very high elastic limit to be particularly suitable for application to a dressing room.
  • the second phase a5) could, for example, be obtained by stamping (also known as “stamping") or by blow molding (also known as " blow molding ").
  • step a) comprises a first phase a7) intended to form a mold of said decoration, for example using a photolithography, in order to form several levels of photosensitive resin structured according to the pattern. of the future decor.
  • This third embodiment could be a positive alternative of the first embodiment, that is to say instead of creating a footprint 3 destructively, it is formed additively for example by photolithography.
  • step a) comprises a second phase a8) intended to cover the mold of material so as to form a directly or indirectly the envelope 9 of material.
  • the mold is covered with the layer 7 in a manner similar to the first embodiment, or the mold is filled to form a massive blank which is subsequently hollowed to obtain the envelope indirectly.
  • the method makes it possible to form an outer surface SE of envelope 9 which will have a color and a finish which will depend on the method of deposition, the material deposited and the roughness of the substrate 1, of the sheet or of the mold, in a very reproducible manner.
  • the method continues with the second step b) intended to mount, against the inner surface S I of the casing 9, at least one fastener 13 arranged to fix the decor 15.
  • the material used for said at least one fastener 13 may be totally independent of the material used for the envelope 9. It is thus possible, by way of example, to manufacture a fastener 13 made of a metal more conventional like brass or polymer material allowing varied shaping without changing neither the color and the finish of the outer surface S E of the envelope 9.
  • step b) comprises a first phase b1) intended to form said at least one fastener 13 and then a second phase b2) intended to fasten said at least one fastener against the inner surface S I of the envelope 9 formed in step a) as illustrated in FIG. Figure 2B .
  • Phase b1) may, advantageously according to the invention, be carried out according to any type of preferred method.
  • the fastener (or the fasteners) provided (s) is not dependent (s) of the material chosen for the envelope 9, no restriction on the material of said at least one fastener 13 or as to the method of manufacturing said at least one fastener 13, is deplorable.
  • the Figure 2B has a fastener in the form of a circular section prismatic volume.
  • several fasteners 13 could be alternately formed during the phase b1) integrally or not. Indeed, one can imagine in the manner of a staple that two fasteners 13 are connected by means of a base forming a single piece or that several independent fasteners 13 are formed.
  • Phase b2) may, advantageously according to the invention, be carried out according to several types of preferred method. Indeed, following the fastener (or the fasteners) provided (s) and the envelope 9 provided, it may be envisaged several types of fastening. Without limitation, it can be envisaged gluing, welding or brazing each fastener 13 against the inner surface S I of the envelope 9.
  • Figures 2B to 2D proposes to deposit a bonding material 11, such as glue, against the inner surface S I of the envelope 9 and then to adjust said at least one fastener 13 via the layer of bonding material 11 against the inner surface S I of the envelope 9.
  • a bonding material 11 such as glue
  • step a Note that this advantage is retained even for the other two embodiments of step a), that is to say respectively using the same sheet or the same mold.
  • step b) may alternatively comprise a phase b3) intended to fill a material with the inner surface S I of the envelope 9 by forming said at least one fastener 13.
  • a phase b3) intended to fill a material with the inner surface S I of the envelope 9 by forming said at least one fastener 13.
  • said at least one fastener 13 can be obtained by using a matrix over the envelope 9 to give a predetermined shape to the injection.
  • the process has fewer steps than the manufacture of a traditional applique. It is also immediate that the use of the substrate 1, the sheet or the mold, respectively, makes the process automatable, that is to say that the manufacture can be partially or completely carried out using automata in order to lower the cost of decorations 15.
  • a decoration 15 formed by a raised envelope 9 formed for example with a gold base whose external surface SE determines the visible part of the decoration 15 is obtained. It is apparent that a recess 17 may be provided in order to receive, for example, example, a luminescent substance such as superluminova or create a particular aesthetic form.
  • the decoration 15 further comprises a fastener 13 secured to the inner surface S I of the envelope 9 by means of an adhesive 11.
  • the fastener 13, once fastened, for example by riveting in the hole of a dial, will be completely masked and only the outer surface SE will remain visible without being able to differentiate the decor 15 of a traditional applique as for its color and its finish.
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • the envelope 9 could be removed from the substrate 1, the sheet or the mold before performing step b).
  • the inner surface S I of the envelope 9 could also include a shape, such as a groove or a rib, intended for improve the adhesion and / or the positioning of the at least one fastener.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)

Abstract

L'invention se rapporte à un procédé de fabrication d'un décor (15) formé d'une enveloppe (9) en relief dont la surface interne (SI) comporte au moins une attache (13) agencée pour fixer le décor.The invention relates to a method of manufacturing a decoration (15) formed of a shell (9) in relief whose inner surface (SI) comprises at least one fastener (13) arranged to fix the decoration.

Description

Domaine de l'inventionField of the invention

L'invention se rapporte à un décor en relief muni d'une attache permettant d'être fixé à une pièce.The invention relates to a relief decoration provided with a fastener for attachment to a workpiece.

Arrière-plan de l'inventionBackground of the invention

Il est connu de fabriquer des heures index sous forme d'appliques, c'est-à-dire des pièces massives qui sont usinées puis rapportées sur le cadran par exemple par rivetage des pieds de chaque applique dans le corps du cadran.It is known to manufacture index hours as appliques, that is to say, massive pieces that are machined and reported on the dial for example by riveting the feet of each wall in the body of the dial.

La fabrication nécessairement à l'unité de telles appliques est compliquée notamment à cause des difficultés de mise en couleur et de finition des faces visibles.The manufacture necessarily at the unit of such appliques is complicated in particular because of the difficulties of coloring and finishing of the visible faces.

Résumé de l'inventionSummary of the invention

Le but de la présente invention est de pallier tout ou partie les inconvénients cités précédemment en proposant un procédé de fabrication automatisable qui utilise moins de matière, rend possible une plus grande variété de matériaux tout en garantissant des couleur et finition propres à diminuer le taux de rebut.The object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing an automated manufacturing process that uses less material, makes possible a greater variety of materials while ensuring color and finish to reduce the rate of scum.

A cet effet, l'invention se rapporte à un procédé de fabrication d'un décor muni d'une attache comportant les étapes suivantes :

  1. a) former une enveloppe de matière dont la surface externe forme la partie visible en relief du décor ;
  2. b) monter, contre la surface interne de l'enveloppe, au moins une attache agencée pour fixer le décor.
For this purpose, the invention relates to a method of manufacturing a decoration provided with a fastener comprising the following steps:
  1. a) forming an envelope of material whose outer surface forms the visible portion in relief of the decoration;
  2. b) mount, against the inner surface of the casing, at least one fastener arranged to fix the decor.

On comprend donc que le procédé autorise la fabrication d'un décor en relief muni d'au moins une attache dont l'enveloppe forme une « peau » de matière, c'est-à-dire une épaisseur prédéterminée de matière, le reste du volume étant évidé de ladite matière, ce qui permet de diminuer très sensiblement le coût de la matière et la masse du décor.It is therefore understood that the method allows the manufacture of a relief decoration provided with at least one fastener whose envelope forms a "skin" of material, that is to say a predetermined thickness of material, the remainder of the volume being hollowed out of said material, which makes it possible to very substantially reduce the cost of the material and the mass of the decoration.

Il est ainsi possible, à titre d'exemple, de fabriquer une applique dont la surface visible en relief est formée à base d'un métal précieux, comme de l'or, tout en limitant son cout intrinsèque en n'utilisant la matière à base de métal précieux que pour l'épaisseur de l'enveloppe et non l'ensemble du décor.It is thus possible, by way of example, to manufacture a wall lamp whose visible surface in relief is formed of a precious metal, such as gold, while limiting its intrinsic cost by not using the material in question. base of precious metal only for the thickness of the envelope and not the entire set.

De plus, le matériau utilisé pour ladite au moins une attache peut être, avantageusement selon l'invention, totalement indépendant de la matière utilisée pour l'enveloppe. Il est ainsi possible, à titre d'exemple, de fabriquer une attache en un métal plus usuel comme du laiton ou en matériau polymère permettant une mise en forme variée.In addition, the material used for said at least one fastener can be, advantageously according to the invention, completely independent of the material used for the envelope. It is thus possible, by way of example, to manufacture a fastener of a more usual metal such as brass or of polymeric material allowing a varied shaping.

Enfin, le procédé comportant moins d'étapes, il est automatisable, c'est-à-dire que la fabrication peut être partiellement ou totalement réalisée à l'aide d'automates afin de baisser le cout des décors.Finally, the process having fewer steps, it is automatable, that is to say that the manufacture can be partially or completely carried out using automata to lower the cost of decorations.

Conformément à d'autres variantes avantageuses de l'invention :

  • l'étape a) comporte les phases a1) : former une empreinte dudit décor dans un substrat puis a2) : recouvrir ladite empreinte d'une couche de matière et, éventuellement, a3) : retirer le substrat afin d'obtenir une enveloppe de matière dont la surface externe forme la partie visible en relief dudit décor ;
  • l'étape a) comporte les phases a4) : se munir d'une feuille de matière puis a5) : déformer la feuille de matière de façon à former une enveloppe de matière et, éventuellement, a6) : retirer ladite enveloppe du reste de la feuille afin d'obtenir une enveloppe dont la surface externe forme la partie visible en relief dudit décor ;
  • l'étape a) comporte les phases a7) : former un moule dudit décor puis a8) : recouvrir le moule de matière afin de former une enveloppe de matière et, éventuellement, a9) : retirer le moule afin d'obtenir une enveloppe dont la surface externe forme la partie visible en relief dudit décor ;
  • l'étape b) comporte les phases b1) : former ladite au moins une attache puis b2) : solidariser ladite au moins une attache contre la surface interne de l'enveloppe du décor formé lors de l'étape a) ;
  • l'étape b) comporte la phase b3) : remplir d'un matériau la surface interne de l'enveloppe du décor formé lors de l'étape a), en formant ladite au moins une attache ;
  • la matière de l'enveloppe comporte un métal précieux ;
  • le décor forme tout ou partie d'un réhaut, d'un cadran, d'une applique ou d'une aiguille de pièce d'horlogerie.
According to other advantageous variants of the invention:
  • step a) comprises the phases a1): forming a footprint of said decoration in a substrate then a2): covering said impression with a layer of material and, optionally, a3): removing the substrate in order to obtain a material envelope whose outer surface forms the visible portion in relief of said decoration;
  • step a) comprises the steps a4): providing a sheet of material then a5): deforming the sheet of material so as to form an envelope of material and, optionally, a6): remove said envelope from the rest of the sheet to obtain an envelope whose outer surface forms the visible portion in relief of said decoration;
  • step a) comprises the phases a7): forming a mold of said decoration then a8): covering the mold with material to form a shell of material and, optionally, a9): removing the mold to obtain a envelope whose outer surface forms the visible portion in relief of said decoration;
  • step b) comprises the phases b1): forming said at least one fastener then b2): fastening said at least one fastener against the inner surface of the decor envelope formed in step a);
  • step b) comprises the step b3): filling a material with the inner surface of the decoration envelope formed during step a), forming said at least one fastener;
  • the material of the envelope comprises a precious metal;
  • the decor forms all or part of a flange, a dial, a sconce or a timepiece needle.

Description sommaire des dessinsBrief description of the drawings

D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une représentation d'une étape a) selon l'invention ;
  • la figure 2 est une représentation d'une étape b) selon l'invention ;
  • les figures 3 et 4 sont des représentations d'un décor selon l'invention.
Other particularities and advantages will emerge clearly from the description which is given hereinafter, by way of indication and in no way limiting, with reference to the appended drawings, in which:
  • the figure 1 is a representation of a step a) according to the invention;
  • the figure 2 is a representation of a step b) according to the invention;
  • the Figures 3 and 4 are representations of a decoration according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention se rapporte à un procédé de fabrication d'un décor en relief muni d'une attache pouvant, par exemple, former tout ou partie d'un réhaut, d'un cadran, d'une applique ou d'une aiguille d'une pièce d'horlogerie. En effet, pour des raisons esthétiques et de tenue dans le temps, ces décors sont généralement réalisés à partir de matériaux peu sensibles à l'atmosphère oxydante de l'air. Il est assez fréquent pour les pièces d'horlogerie haut de gamme que les heures index, le cadran ou les aiguilles soient formés à partir de métal précieux, comme de l'or, ce qui rend très couteux l'habillage des pièces d'horlogerie.The invention relates to a method of manufacturing a relief decoration provided with a fastener which can, for example, form all or part of a flange, a dial, a wall or a needle of a timepiece. Indeed, for reasons of aesthetics and durability, these sets are generally made from materials insensitive to the oxidizing atmosphere of the air. It is quite common for high-end timepieces that the index hours, the dial or the hands are formed from precious metal, such as gold, which makes very expensive the dressing timepieces .

Dans le but de rendre plus abordables les décors même à base de métal précieux, le présent procédé comporte une première étape a) destinée à former une enveloppe de matière dont la surface externe SE forme la partie visible en relief du décor.In order to make the decorations even more precious metal base more affordable, the present method comprises a first step a) intended to form an envelope of material whose outer surface S E forms the visible part in relief of the decoration.

On comprend donc que le décor comporte une enveloppe en relief qui forme une « peau » de matière, c'est-à-dire une épaisseur prédéterminée de matière, le reste du volume étant évidé de ladite matière, ce qui permet de diminuer très sensiblement le coût de la matière et la masse du décor. Il est ainsi possible, à titre d'exemple, de fabriquer une applique dont la surface visible en relief est formée à base d'un métal précieux, comme de l'or, tout en limitant son cout intrinsèque en n'utilisant la matière à base de métal précieux que pour l'épaisseur de l'enveloppe et non l'ensemble du décor.It is thus clear that the decoration comprises a raised envelope which forms a "skin" of material, that is to say a predetermined thickness of material, the remainder of the volume being hollowed out from said material, which makes it possible to decrease very substantially the cost of the material and the mass of the decoration. It is thus possible, by way of example, to manufacture a wall lamp whose visible surface in relief is formed of a precious metal, such as gold, while limiting its intrinsic cost by not using the material in question. base of precious metal only for the thickness of the envelope and not the entire set.

Selon un premier mode de réalisation, la première étape a) peut comporter une première phase a1) destinée à former une empreinte 3 dudit décor dans un substrat 1 comme visible à la figure 1A. Le substrat 1 peut être de natures diverses comme par exemple à base de silicium, de céramique ou de métal.According to a first embodiment, the first step a) may comprise a first phase a1) intended to form a footprint 3 of said decoration in a substrate 1 as visible in FIG. Figure 1A . The substrate 1 may be of various kinds, for example based on silicon, ceramic or metal.

L'étape a), selon le premier mode de réalisation, se poursuit avec une deuxième phase a2) destinée à recouvrir l'empreinte 3 d'une couche de matière 7 destinée à former l'enveloppe 9 du futur décor. La couche de matière 7 peut, par exemple, être déposée par croissance galvanique, par dépôt physique en phase vapeur (connu sous l'abréviation anglaise « P.V.D. »), par dépôt chimique en phase vapeur (connu sous l'abréviation anglaise « C.V.D. »), par dépôt en couche atomique (connu sous l'abréviation anglaise « A.L.D. ») ou par toute autre méthode additive.Step a), according to the first embodiment, continues with a second phase a2) intended to cover the footprint 3 with a layer of material 7 intended to form the envelope 9 of the future decoration. The layer of material 7 may, for example, be deposited by galvanic growth, by physical vapor deposition (known by the abbreviation "PVD"), by chemical vapor deposition (known by the abbreviation "CVD"). ), by atomic layer deposition (known by the abbreviation "ALD") or by any other additive method.

Comme illustré aux figure 1B et 1C suivant la nature de l'enveloppe 9 désirée, celle du substrat 1 et le procédé de déposition, la deuxième phase a2) peut comporter une préparation du substrat 1 puis, seulement après, le dépôt de la matière 7 de l'enveloppe 9.As illustrated in Figure 1B and 1C depending on the nature of the envelope 9 desired, that of the substrate 1 and the deposition process, the second phase a2) may comprise a preparation of the substrate 1 and then, only after, the deposition of the material 7 of the envelope 9.

Comme illustré à la figure 1B, la préparation du substrat 1 est destinée à rendre possible l'adhérence de la matière 7 sur le substrat 1. La préparation peut ainsi consister à rendre plus rugueuse au moins une partie de la surface supérieure du substrat 1 et/ou déposer une couche de liaison sur au moins une partie de la surface supérieure du substrat 1 et/ou déposer une couche technique sur au moins une partie de la surface supérieure du substrat 1 permettant le dépôt de la matière 7 comme illustré à la figure 1C.As illustrated in Figure 1B , the preparation of the substrate 1 is intended to make possible the adhesion of the material 7 to the substrate 1. The preparation can thus consist in making more rough at least a portion of the upper surface of the substrate 1 and / or deposit a layer of bonding on at least a portion of the upper surface of the substrate 1 and / or depositing a technical layer on at least a portion of the upper surface of the substrate 1 for depositing the material 7 as illustrated in FIG. figure 1C .

Bien entendu, suivant la méthode de déposition, la couche 7 peut être déposée sur tout ou partie de la surface supérieure du substrat 1 et au minimum de manière à recouvrir sans forcément totalement remplir l'empreinte 3 du futur décor 15.Of course, according to the deposition method, the layer 7 may be deposited on all or part of the upper surface of the substrate 1 and at least so as to cover without necessarily completely fill the footprint 3 of the future decoration 15.

De manière non limitative, l'exemple des figures 1B à 1D propose de déposer une couche électriquement conductrice 5 sur toute la surface supérieure du substrat 1 par dépôt physique en phase vapeur, de déposer la couche 7 par croissance galvanique à partir de la couche 5, c'est-à-dire sur toute la surface supérieure du substrat 1 puis de ne laisser la couche 7 que dans l'empreinte 3 afin de former l'enveloppe 9. Cet exemple permet de réaliser plusieurs enveloppes 9 différentes ou identiques sur le même substrat 1, c'est-à-dire fabriquer en série des enveloppes 9.Without limitation, the example of Figures 1B at 1D proposes to deposit an electrically conductive layer 5 over the entire upper surface of the substrate 1 by physical vapor deposition, to deposit the layer 7 by galvanic growth from the layer 5, that is to say over the entire upper surface of the substrate 1 and then leave the layer 7 only in the cavity 3 in order to form the envelope 9. This example makes it possible to produce a plurality of different or identical envelopes 9 on the same substrate 1, ie to manufacture in series of envelopes 9.

Bien entendu, comme expliqué ci-dessus, d'autres types de dépôt peuvent être mis en oeuvre que la croissance galvanique. De plus ; alternativement, il est également possible de déposer directement et uniquement dans chaque empreinte 3, la couche 7, c'est-à-dire passer directement de la figure 1A à la figure 1D.Of course, as explained above, other types of deposition can be implemented as galvanic growth. Moreover ; alternatively, it is also possible to deposit directly and only in each footprint 3, the layer 7, that is to say pass directly from the Figure 1A in Figure 1D .

A titre d'exemple, il est ainsi possible d'utiliser une couche sacrificielle ne recouvrant pas l'empreinte 3 qui, après le dépôt de la couche 7, serait retirée en ne laissant la couche 7 que dans l'empreinte 3. Cette technique est connue sous les termes anglais « lift-off ». Une autre technique alternative peut être l'utilisation d'un masque pochoir sur la trajectoire de la matière à déposer parfois appelé en anglais « stencil lithography ».By way of example, it is thus possible to use a sacrificial layer not covering the footprint 3 which, after the deposition of the layer 7, would be removed leaving the layer 7 only in the footprint 3. This technique is known as "lift-off". Another alternative technique may be the use of a stencil mask on the trajectory of the material to deposit sometimes called in English "stencil lithography".

Selon un deuxième mode de réalisation, l'étape a) comporte une première phase a4) destinée à se munir d'une feuille de la matière destinée à former l'enveloppe 9 du décor 15. L'étape pourrait alors se poursuivre avec la deuxième phase a5) destinée à déformer la feuille de matière de façon à former ladite enveloppe de matière. De manière similaire au premier mode de réalisation, plusieurs enveloppes 9 différentes ou identiques pourraient être réalisées sur une même feuille de matière, c'est-à-dire fabriquer en série des enveloppes 9. La feuille pourrait également être avantageusement utilisée comme support.According to a second embodiment, step a) comprises a first phase a4) intended to be provided with a sheet of the material intended to form the envelope 9 of the decoration 15. The step could then be continued with the second phase a5) for deforming the sheet of material so as to form said envelope of material. Similarly to the first embodiment, several envelopes 9 different or identical could be made on the same sheet of material, that is to say, in series manufacturing envelopes 9. The sheet could also be advantageously used as a support.

A titre d'exemple, une feuille en alliage métallique amorphe à base de métal précieux, comme à base de palladium ou de platine, peut être utilisée. En effet, un tel alliage métallique amorphe est facile à déformer lorsqu'il est chauffé entre sa température de transition vitreuse et sa température de cristallisation. De plus, il comporte avantageusement une très haute limite élastique permettant d'être particulièrement indiqué pour une application à une pièce d'habillage.By way of example, an amorphous metal alloy sheet based on a precious metal, such as palladium or platinum, may be used. Indeed, such an amorphous metal alloy is easy to deform when heated between its glass transition temperature and its crystallization temperature. In addition, it advantageously comprises a very high elastic limit to be particularly suitable for application to a dressing room.

Ainsi, dans le cas d'un alliage métallique amorphe, la deuxième phase a5) pourrait, par exemple, être obtenue par matriçage (également connu sous le terme anglais « stamping ») ou par moulage par soufflage (également connu sous les termes anglais « blow molding »).Thus, in the case of an amorphous metal alloy, the second phase a5) could, for example, be obtained by stamping (also known as "stamping") or by blow molding (also known as " blow molding ").

Enfin, selon un troisième mode de réalisation, l'étape a) comporte une première phase a7) destinée à former un moule dudit décor comme par exemple à l'aide d'une photolithographie afin de former plusieurs niveaux de résine photosensible structurée selon le motif du futur décor. Ce troisième mode de réalisation pourrait être une alternative en positif du premier mode de réalisation, c'est-à-dire au lieu de créer une empreinte 3 de manière destructive, elle est formée de manière additive par exemple par photolithographie.Finally, according to a third embodiment, step a) comprises a first phase a7) intended to form a mold of said decoration, for example using a photolithography, in order to form several levels of photosensitive resin structured according to the pattern. of the future decor. This third embodiment could be a positive alternative of the first embodiment, that is to say instead of creating a footprint 3 destructively, it is formed additively for example by photolithography.

Selon le troisième mode de réalisation, l'étape a) comporte une deuxième phase a8) destinée à recouvrir le moule de matière afin de former une directement ou indirectement l'enveloppe 9 de matière. En effet, suivant la forme du décor 15, soit le moule est recouvert de la couche 7 de manière similaire au premier mode de réalisation, soit le moule est rempli pour former une ébauche massive qui est par la suite creusée pour obtenir indirectement l'enveloppe 9.According to the third embodiment, step a) comprises a second phase a8) intended to cover the mold of material so as to form a directly or indirectly the envelope 9 of material. In fact, according to the shape of the decoration 15, either the mold is covered with the layer 7 in a manner similar to the first embodiment, or the mold is filled to form a massive blank which is subsequently hollowed to obtain the envelope indirectly. 9.

Quel que soit le mode de réalisation de la première étape a), le procédé permet de former une surface externe SE d'enveloppe 9 qui aura une couleur et une finition qui dépendront de la méthode de déposition, du matériel déposé et de la rugosité du substrat 1, de la feuille ou du moule, de manière très reproductible.Whatever the embodiment of the first step a), the method makes it possible to form an outer surface SE of envelope 9 which will have a color and a finish which will depend on the method of deposition, the material deposited and the roughness of the substrate 1, of the sheet or of the mold, in a very reproducible manner.

Quel que soit le mode de réalisation de la première étape a), le procédé se poursuit avec la deuxième étape b) destinée à monter, contre la surface interne SI de l'enveloppe 9, au moins une attache 13 agencée pour fixer le décor 15.Whatever the embodiment of the first step a), the method continues with the second step b) intended to mount, against the inner surface S I of the casing 9, at least one fastener 13 arranged to fix the decor 15.

Avantageusement selon l'invention, le matériau utilisé pour ladite au moins une attache 13 peut être totalement indépendant de la matière utilisée pour l'enveloppe 9. Il est ainsi possible, à titre d'exemple, de fabriquer une attache 13 en un métal plus usuel comme du laiton ou en matériau polymère permettant une mise en forme variée sans modifier ni la couleur et ni la finition de la surface externe SE de l'enveloppe 9.Advantageously according to the invention, the material used for said at least one fastener 13 may be totally independent of the material used for the envelope 9. It is thus possible, by way of example, to manufacture a fastener 13 made of a metal more conventional like brass or polymer material allowing varied shaping without changing neither the color and the finish of the outer surface S E of the envelope 9.

Selon un premier mode de réalisation, l'étape b) comporte une première phase b1) destinée à former ladite au moins une attache 13 puis une deuxième phase b2) destinée à solidariser ladite au moins une attache contre la surface interne SI de l'enveloppe 9 formée lors de l'étape a) comme illustrée à la figure 2B.According to a first embodiment, step b) comprises a first phase b1) intended to form said at least one fastener 13 and then a second phase b2) intended to fasten said at least one fastener against the inner surface S I of the envelope 9 formed in step a) as illustrated in FIG. Figure 2B .

La phase b1) peut, avantageusement selon l'invention, être réalisée selon tout type de procédé préféré. En effet, l'attache (ou les attaches) prévue(s) n'étant pas dépendante(s) de la matière choisie pour l'enveloppe 9, aucune restriction quant au matériau de ladite au moins une attache 13 ou quant à la méthode de fabrication de ladite au moins une attache 13, n'est à déplorer.Phase b1) may, advantageously according to the invention, be carried out according to any type of preferred method. Indeed, the fastener (or the fasteners) provided (s) is not dependent (s) of the material chosen for the envelope 9, no restriction on the material of said at least one fastener 13 or as to the method of manufacturing said at least one fastener 13, is deplorable.

A titre d'exemple, la figure 2B présente une attache sous forme d'un volume prismatique à section circulaire. Bien entendu, plusieurs attaches 13 pourraient être alternativement formées lors de la phase b1) de manière monobloc ou non. En effet, on peut imaginer à la manière d'une agrafe que deux attaches 13 soient raccordées à l'aide d'une base en formant un élément monobloc ou que plusieurs attaches 13 indépendantes soient formées.For example, the Figure 2B has a fastener in the form of a circular section prismatic volume. Of course, several fasteners 13 could be alternately formed during the phase b1) integrally or not. Indeed, one can imagine in the manner of a staple that two fasteners 13 are connected by means of a base forming a single piece or that several independent fasteners 13 are formed.

La phase b2) peut, avantageusement selon l'invention, être réalisée selon plusieurs types de procédé préféré. En effet, suivant l'attache (ou les attaches) prévue(s) et l'enveloppe 9 prévues, il peut être envisagé plusieurs types de solidarisation. De manière non limitative, il peut être envisagé un collage, un soudage ou un brasage de chaque attache 13 contre la surface interne SI de l'enveloppe 9.Phase b2) may, advantageously according to the invention, be carried out according to several types of preferred method. Indeed, following the fastener (or the fasteners) provided (s) and the envelope 9 provided, it may be envisaged several types of fastening. Without limitation, it can be envisaged gluing, welding or brazing each fastener 13 against the inner surface S I of the envelope 9.

De manière non limitative, l'exemple des figures 2B à 2D propose de déposer un matériau de solidarisation 11, comme de la colle, contre la surface interne SI de l'enveloppe 9 puis d'ajuster ladite au moins une attache 13 via la couche de matériau de solidarisation 11 contre la surface interne SI de l'enveloppe 9. Cet exemple permet de réaliser plusieurs décors 15 différents ou identiques sur le même substrat 1, c'est-à-dire, une fois libérés du substrat 1, fabriquer en série des décors 15.Without limitation, the example of Figures 2B to 2D proposes to deposit a bonding material 11, such as glue, against the inner surface S I of the envelope 9 and then to adjust said at least one fastener 13 via the layer of bonding material 11 against the inner surface S I of the envelope 9. This example makes it possible to produce several different or identical decors on the same substrate 1, that is to say, once released from the substrate 1, to make a series of decorations 15 in series.

On remarque que cet avantage est conservé même pour les deux autres modes de réalisation de l'étape a), c'est-à-dire respectivement en utilisant une même feuille ou un même moule.Note that this advantage is retained even for the other two embodiments of step a), that is to say respectively using the same sheet or the same mold.

Selon un deuxième mode de réalisation, l'étape b) peut comporter alternativement une phase b3) destinée à remplir d'un matériau la surface interne SI de l'enveloppe 9 en formant ladite au moins une attache 13. En effet, il peut être imaginé, par exemple, l'injection d'un matériau polymère adhérant contre la surface interne SI de l'enveloppe 9 et dont la (ou les) carotte(s) d'injection permet(tent) de former ladite au moins une attache 13. Bien entendu, ladite au moins une attache 13 peut être obtenue par l'utilisation d'une matrice par-dessus l'enveloppe 9 permettant de donner une forme prédéterminée à l'injection.According to a second embodiment, step b) may alternatively comprise a phase b3) intended to fill a material with the inner surface S I of the envelope 9 by forming said at least one fastener 13. In effect, it can be imagined, for example, the injection of a polymer material adhering against the inner surface S I of the casing 9 and whose (or the) carrot (s) of injection allows (s) to form said at least one fastener 13. Of course, said at least one fastener 13 can be obtained by using a matrix over the envelope 9 to give a predetermined shape to the injection.

On remarque donc que le procédé comporte moins d'étapes que la fabrication d'une applique traditionnelle. Il est également immédiat que l'utilisation respectivement du substrat 1, de la feuille ou du moule, rend le procédé automatisable, c'est-à-dire que la fabrication peut être partiellement ou totalement réalisée à l'aide d'automates afin de baisser le cout des décors 15.We therefore note that the process has fewer steps than the manufacture of a traditional applique. It is also immediate that the use of the substrate 1, the sheet or the mold, respectively, makes the process automatable, that is to say that the manufacture can be partially or completely carried out using automata in order to lower the cost of decorations 15.

De manière non limitative, dans l'exemple des figures 2C, 3 et 4, on obtient un décor 15 formé par une enveloppe 9 en relief formée par exemple à base d'or dont la surface externe SE détermine la partie visible du décor 15. Il est apparent qu'un évidement 17 peut être prévu afin de recevoir, par exemple, une substance luminescente comme du superluminova ou créer une forme esthétique particulière.Without limitation, in the example of Figures 2C, 3 and 4 a decoration 15 formed by a raised envelope 9 formed for example with a gold base whose external surface SE determines the visible part of the decoration 15 is obtained. It is apparent that a recess 17 may be provided in order to receive, for example, example, a luminescent substance such as superluminova or create a particular aesthetic form.

Le décor 15 comporte en outre une attache 13 solidarisée contre la surface interne SI de l'enveloppe 9 à l'aide d'une colle 11. L'attache 13, une fois fixée, par exemple par rivetage dans le trou d'un cadran, sera totalement masquée et seule la surface externe SE restera visible sans pouvoir différentier le décor 15 d'une applique traditionnelle quant à sa couleur et sa finition.The decoration 15 further comprises a fastener 13 secured to the inner surface S I of the envelope 9 by means of an adhesive 11. The fastener 13, once fastened, for example by riveting in the hole of a dial, will be completely masked and only the outer surface SE will remain visible without being able to differentiate the decor 15 of a traditional applique as for its color and its finish.

Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art. En particulier, à la fin de l'étape a), l'enveloppe 9 pourrait être retirée du substrat 1, de la feuille ou le moule avant d'effectuer l'étape b).Of course, the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art. In particular, at the end of step a), the envelope 9 could be removed from the substrate 1, the sheet or the mold before performing step b).

De plus, la surface interne SI de l'enveloppe 9 pourrait également comporter une forme, telle qu'une rainure ou une nervure, destinée à améliorer l'adhérence et/ou le positionnement de ladite au moins une attache.In addition, the inner surface S I of the envelope 9 could also include a shape, such as a groove or a rib, intended for improve the adhesion and / or the positioning of the at least one fastener.

Enfin, dans le cas d'un recouvrement comme illustré à la figure 1C, il peut également être envisagé de retirer le surplus de matière 7 non pas lors de l'étape a) mais à la fin de l'étape b) sans perdre les avantages de l'invention.Finally, in the case of a recovery as illustrated in figure 1C it may also be envisaged to remove the surplus material 7 not in step a) but at the end of step b) without losing the advantages of the invention.

Claims (11)

Procédé de fabrication d'un décor (15) muni d'au moins une attache (13) comportant les étapes suivantes : a) former une enveloppe (9) de matière (7) dont la surface externe (SE) forme la partie visible en relief du décor (15) ; b) monter, contre la surface interne (SI) de l'enveloppe (9), ladite au moins une attache agencée pour fixer le décor (15). Method of manufacturing a decoration (15) provided with at least one fastener (13) comprising the following steps: a) forming an envelope (9) of material (7) whose outer surface (SE) forms the visible portion in relief of the decoration (15); b) mounting, against the inner surface (S I ) of the casing (9), said at least one fastener arranged to fix the decoration (15). Procédé selon la revendication précédente, caractérisé en ce que l'étape a) comporte les phases suivantes : a1) former une empreinte (3) dudit décor dans un substrat (1) ; a2) recouvrir ladite empreinte d'une couche de matière (7). Method according to the preceding claim, characterized in that step a) comprises the following phases: a1) forming an imprint (3) of said decoration in a substrate (1); a2) covering said impression with a layer of material (7). Procédé selon la revendication précédente, caractérisé en ce que l'étape a) comporte en outre la phase finale suivante : a3) retirer le substrat (1) afin d'obtenir une enveloppe (9) de matière (7) dont la surface externe (SE) forme la partie visible en relief dudit décor. Method according to the preceding claim, characterized in that step a) further comprises the following final phase: a3) removing the substrate (1) to obtain a shell (9) of material (7) whose outer surface (S E ) forms the visible portion in relief of said decoration. Procédé selon la revendication 1, caractérisé en ce que l'étape a) comporte les phases suivantes : a4) se munir d'une feuille de matière (7) ; a5) déformer la feuille de matière (7) de façon à former une enveloppe (9) de matière (7). Method according to claim 1, characterized in that step a) comprises the following phases: a4) providing a sheet of material (7); a5) deforming the sheet of material (7) so as to form an envelope (9) of material (7). Procédé selon la revendication précédente, caractérisé en ce que l'étape a) comporte en outre la phase finale suivante : a6) retirer ladite enveloppe du reste de la feuille afin d'obtenir une enveloppe (9) dont la surface externe (SE) forme la partie visible en relief dudit décor. Method according to the preceding claim, characterized in that step a) further comprises the following final phase: a6) removing said envelope from the rest of the sheet to obtain an envelope (9) whose outer surface (SE) forms the visible portion in relief of said decoration. Procédé selon la revendication 1, caractérisé en ce que l'étape a) comporte les phases suivantes : a7) former un moule dudit décor ; a8) recouvrir le moule de matière (7) afin de former une enveloppe (9) de matière (9). Method according to claim 1, characterized in that step a) comprises the following phases: a7) forming a mold of said decor; a8) covering the mold of material (7) to form a casing (9) of material (9). Procédé selon la revendication précédente, caractérisé en ce que l'étape a) comporte en outre la phase finale suivante : a9) retirer le moule afin d'obtenir une enveloppe (9) dont la surface externe (SE) forme la partie visible en relief dudit décor. Method according to the preceding claim, characterized in that step a) further comprises the following final phase: a9) removing the mold to obtain an envelope (9) whose outer surface (SE) forms the visible portion in relief of said decoration. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'étape b) comporte les phases suivantes : b1) former ladite au moins une attache ; b2) solidariser ladite au moins une attache contre la surface interne (SI) de l'enveloppe (9) du décor (15) formé lors de l'étape a). Method according to one of the preceding claims, characterized in that step b) comprises the following phases: b1) forming said at least one fastener; b2) securing said at least one fastener against the inner surface (S I ) of the envelope (9) of the decoration (15) formed in step a). Procédé selon l'une des revendications 1 à 7, caractérisé en ce que l'étape b) comporte la phase suivante : b3) remplir d'un matériau la surface interne (Si) de l'enveloppe (9) du décor (15) formé lors de l'étape a), en formant ladite au moins une attache. Method according to one of claims 1 to 7, characterized in that step b) comprises the following phase: b3) filling with a material the inner surface (Si) of the envelope (9) of the decoration (15) formed during step a), forming said at least one fastener. Procédé selon l'une des revendications précédentes, caractérisé en ce que la matière (7) de l'enveloppe (9) comporte un métal précieux.Method according to one of the preceding claims, characterized in that the material (7) of the envelope (9) comprises a precious metal. Procédé selon l'une des revendications précédentes, caractérisé en ce que le décor (15) forme tout ou partie d'un réhaut, d'un cadran, d'une applique ou d'une aiguille de pièce d'horlogerie.Method according to one of the preceding claims, characterized in that the decoration (15) forms all or part of a flange, a dial, a wall or a timepiece needle.
EP16193773.5A 2016-10-13 2016-10-13 Method for manufacturing a raised pattern provided with a fastener Withdrawn EP3309626A1 (en)

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EP16193773.5A EP3309626A1 (en) 2016-10-13 2016-10-13 Method for manufacturing a raised pattern provided with a fastener
EP17768161.6A EP3526645B1 (en) 2016-10-13 2017-09-22 Method for manufacturing a raised pattern provided with a fastener
US16/334,069 US11077704B2 (en) 2016-10-13 2017-09-22 Method of fabricating an embossed decoration provided with an attachment
JP2019517769A JP6826196B2 (en) 2016-10-13 2017-09-22 How to make an embossed decoration with attachments
CN201780062914.2A CN109804322B (en) 2016-10-13 2017-09-22 Method for manufacturing an embossed decoration provided with an attachment
PCT/EP2017/074084 WO2018069023A1 (en) 2016-10-13 2017-09-22 Method for the production of a relief decoration equipped with an attachment

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EP3526645B1 (en) 2021-02-17
WO2018069023A1 (en) 2018-04-19
EP3526645A1 (en) 2019-08-21
CN109804322A (en) 2019-05-24
JP2019530874A (en) 2019-10-24
US20190210402A1 (en) 2019-07-11
US11077704B2 (en) 2021-08-03
CN109804322B (en) 2021-06-15

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