EP2296907A1 - Method for decorating perfume bottle, and decorating device - Google Patents

Method for decorating perfume bottle, and decorating device

Info

Publication number
EP2296907A1
EP2296907A1 EP09742316A EP09742316A EP2296907A1 EP 2296907 A1 EP2296907 A1 EP 2296907A1 EP 09742316 A EP09742316 A EP 09742316A EP 09742316 A EP09742316 A EP 09742316A EP 2296907 A1 EP2296907 A1 EP 2296907A1
Authority
EP
European Patent Office
Prior art keywords
coating
laser
laser beam
decorating
bottle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09742316A
Other languages
German (de)
French (fr)
Other versions
EP2296907B1 (en
Inventor
Hervé RONSIN
Fabrice Soulard
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.)
Shiseido International France SAS
Original Assignee
Shiseido International France SAS
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 Shiseido International France SAS filed Critical Shiseido International France SAS
Publication of EP2296907A1 publication Critical patent/EP2296907A1/en
Application granted granted Critical
Publication of EP2296907B1 publication Critical patent/EP2296907B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/02—Scent flasks, e.g. with evaporator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
    • B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/262—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used recording or marking of inorganic surfaces or materials, e.g. glass, metal, or ceramics
    • 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
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B44C1/228—Removing surface-material, e.g. by engraving, by etching by laser radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
    • B05D2203/35—Glass

Definitions

  • the present invention relates to a process for decorating a perfume bottle having a shape or a complex configuration, which can not be assimilated to, or decomposed into, known conventional geometrical shape, such as for example a plane, a cylinder, a sphere, a cone, etc.
  • the present invention also relates to a decorating device for decorating perfume bottles of complex shape.
  • the field of application of the present invention is that of the manufacture and decoration of bottles, and more particularly perfume bottles, preferably made of glass. It is already known in the prior art to mark the outside of glass vials with a laser beam. On the other hand, it is also known to apply coatings on glass bottles. There are various types of known coatings, such as varnishes, lacquers, etc.
  • these coatings are located on the outer surface of the bottle, very rarely on the inner surface.
  • the perfume does not come into direct contact with the inner coating, for reasons of extraction and / or release of components in the perfume that could deteriorate and even make it dangerous.
  • the object of the present invention is to improve the decoration methods already known from the prior art, particularly with regard to the second stage of subsequent treatment of the coating.
  • the present invention provides a method of decorating a perfume bottle having a wall having an outer surface and an inner surface, at least one of which surfaces has a raised relief shape, the method comprising at least one step of applying a coating to at least a portion of one of the surfaces of complex form, the method comprising a subsequent step of treating said coating, characterized in that said processing step is a marking step using a laser beam.
  • the first application step comprises at least one step among lacquering, varnishing, mirroring, sintering, spraying, coating, vacuum metallization, chemical or physical vapor deposition of metal oxides, plasmas deposits, sol gel deposits, deposits of mineral powders, etc.
  • the laser beam passes through the wall to treat a coating on the inner surface.
  • the laser thus operates from the outside of the bottle through the wall thickness to the inner surface.
  • any type of laser can be used as part of the decoration process of the present invention, but it has been found that the fiber (or fiber) laser offers the best results, both in terms of accuracy of the beam than the maneuverability of the laser. It is also possible to use a Yag laser, and preferably a Yag fiber laser.
  • the Ytterbium doped laser will be preferred for sintering.
  • the fiber Yag laser will be preferred for stripping.
  • the laser beam is displaced relative to the bottle so as to traverse the complex shape of the coating, the laser beam having a focal point (or focus) movable over a depth range up to at 70 mm.
  • the laser beam is displaced relative to the bottle so as to traverse the complex shape of the coating, the laser beam being produced by a laser having a focusing point automatically adjustable according to the distance to the coating.
  • the laser beam's performance is optimal even when the distance to the target, that is to say to the internal or external surface to be treated, varies over a determined distance, which can be of the order of 70 mm.
  • This makes it possible to treat perfume bottles of very complex shape without having to follow the surface to be treated with a very strict precision, that is to say without having to maintain a constant distance between the exit of the laser and the coating. treat.
  • the position of the focal point of the laser beam thus varies automatically and instantaneously as the surface to be treated approaches or moves away from the output of the laser beam. With this type of laser, it is possible to significantly reduce the cost of a perfume bottle provided with a decor requiring laser treatment.
  • the present invention also relates to a device for implementing the decoration method described above, the device comprising a laser having a focusing point, characterized in that the laser comprises automatic adjustment means for varying the position. the focal point of the laser beam as a function of the distance of the coating to be treated.
  • the laser is a fiber laser (or fiber), advantageously of the Yag type.
  • One principle of the present invention is the marking (or etching) of coatings applied to perfume bottles of complex shape by means of a laser, and that the coating is on the outer or inner surface of the flask.
  • the laser of the present invention can be used for various types of coating treatments, which are not limited to marking or etching.
  • Fig. 1 is a vertical cross-sectional view through a perfume bottle which may be decorated by the method of the present invention
  • Figure 2 is a very schematic view of a very greatly enlarged part of a wall of a perfume bottle treated with a decoration device according to the invention.
  • the perfume bottle shown in cross-section in FIG. 1, comprises a body 1 and a neck 2.
  • the body 1 internally defines a reservoir 10 for the perfume which communicates with the outside through an opening 21 formed by the neck 2
  • the reservoir 10 is defined by a wall of the body 1, which can be made of any suitable material, such as glass.
  • the glass may be transparent or translucent, for example made from a glass without coloration or with a color that does not make it opaque.
  • the wall of the body can be divided into three distinct parts, namely a bottom 11, lateral faces 12 and a shoulder 13 from which the neck 2 extends.
  • the thickness of the wall of the body can be constant, or on the contrary irregular, as is the case for the perfume bottle of Figure 1.
  • the wall of the body thus defines an outer surface 14 and an inner surface 15, which define the reservoir 10.
  • the outer surface 14 and / or the inner surface 15 have a complex shape in relief which can not be assimilated, modeled or decomposed in geometeque form (s) simple (s) such as for example a plane, a cylinder, a sphere, a cone, an ellipsoid, etc.
  • the outer 14 and inner 15 surfaces have a geometrically indefinable complex shape.
  • the inner surface of a glass flask is never totally flat because it is obtained by blowing a bubble of compressed air.
  • a dispensing device such as a pump or a valve
  • the pump or the valve is mounted on the neck 2 by means of suitable fastening means.
  • the pump generally comprises a dip tube which extends into the reservoir to near its bottom.
  • the pump comprises a pusher on which one can press with the aid of one or more fingers to actuate the pump and thus distribute the perfume extracted from the tank 10. All this is quite classic for a perfume dispenser.
  • the outer surface 14 comprises at the lower right portion of its lateral face 12 a coating 4.
  • This coating 4 extends only over part of the external surface 14, but it can also extend on the entire surface 14.
  • This outer coating 4 may be of various types, such as a varnish, a lacquer, a metallization, a sintered layer, a mirror layer, and more generally any coating likely to adhere on the outer surface 14.
  • the inner surface 15 is also provided with a coating 5 which extends at least over part of the surface 15. In FIG. 1, for example, a coating 5 can be seen. Two parts extending on the left side of the side face 12. The two coating parts 5 are separated by a zone of the inner surface 15 which is bare. The nature of this coating 5 may be identical to that of the outer coating 4.
  • composition and method of application and obtaining coatings 4 and 5 they can be marked or engraved more or less deeply, intensely, without stripping them.
  • the goal is to change the appearance of the coatings without removing them. This change in appearance and sometimes even color can be generated by carbonization phenomena, bubbling, or chemical modification (s) partial coating.
  • the final state of the coatings 4 and / or 5 can thus be considered as the result of a decoration process comprising a first coating application step and a second treatment step of said coating so that it reaches its final state .
  • a gel sol can be deposited on the inner surface of the vial and then scribed or etched locally with a laser to create a pattern, image, logo, etc.
  • the use of gel sol to effect a coating inside or outside a perfume bottle is a technique that can be implemented and therefore protected independently of the marking or etching treatment.
  • the gel sol use processes that allow the production of vitreous materials without the need for fusion.
  • the second marking or etching step is carried out using a laser producing a beam whose focal point reaches its target, namely the outer coating 4 and / or the inner lining 5.
  • the heat brought by the laser beam to the coating is intended to harden, sinter, mark, alter, strip, etc.
  • FIG. 2 it can be seen how a laser beam F coming from an output S of a laser generator L reaches the inner lining 5 and / or the outer lining 4 with its focusing point Pf. the laser beam F, to treat the inner liner 5, passes through the wall of the body 1 from the outside of the bottle.
  • the laser beam F whose focal point Pf is located on the outer skin 4.
  • the laser treatment of a lining A vial of perfume from the outside of this vial is a protectable feature per se, regardless of whether the vial has a complex shape or not.
  • a Yag laser also gave good performance.
  • a fiber Yag laser gave the best performance.
  • the fiber laser is particularly advantageous because the laser beam is concentrated in an optical fiber, which makes it possible to reduce the size of the beam (F) below 50 ⁇ m.
  • a beam of 30 ⁇ m, or less than 30 ⁇ m, allows a clean, accurate and without peeling of the coating, which considerably limits the risks of infiltration of the perfume between the coating and the glass.
  • the Ytterbium doped laser will be preferred for sintering.
  • the fiber Yag laser will be preferred for stripping.
  • the laser generator L is equipped with or associated with automatic adjustment means Rf making it possible to automatically vary the position of the focusing point Pf of the laser beam F as a function of the distance of the coating from treat.
  • adjustment means Rf make it possible, for example, for a identical axial positioning, as shown in Figure 2, to vary the focal length, that is to say the positioning of the focusing point Pf as a function of the distance between the outlet S of the coating to be treated.
  • FIG. 2 it can easily be observed that the focal length of the beam F treating the outer coating 4 is shorter than the focal length of the bundle F treating the inner liner 5.
  • the adjustment means Rf may for example comprise software that allows, from a digitization of the shape of the coating to be treated, to vary the positioning of the focal point Pf, by acting for example on the output lens of the laser.
  • the adjustment means Rf may comprise one or more sensors making it possible to measure the distance separating the outlet S from the coating to be treated. The values measured by these sensors are then converted into signals to vary the positioning of the focal point. Other techniques can still be used to vary the position of the focusing point depending on the distance to the target to be treated.
  • the automatic adjustment means Rf may for example allow a variation of the position of the focusing point on a range having a depth of up to about 70 mm. Such a depth range is sufficient to treat most perfume bottles.
  • the focusing point is for example initially set to the median value of the range of variation depth, and then will move on either side of this median value symmetrically or asymmetrically depending on the complex shape of the bottle.
  • a self-adjusting focusing point laser is thus an ideal decoration device for perfume bottles having more particularly complex external and internal surfaces.
  • Another software dealing with optical distortion phenomena similar to anamorphosis may advantageously be associated with the laser.
  • This software makes it possible to avoid the problems of distortion that could be induced by the non-incident positioning of the laser beam F with respect to the coating, given the topography of the coating to be treated. For example, a mesh of identical diamonds may be etched or etched on a coating applied to a complex surface without the risk of deforming the diamonds at non-incidental areas.
  • the software makes it possible, from a digitization of the shape of the coating to be treated, to influence the displacement of the laser beam F so that it takes into account the topography of the coating.
  • This software constitutes anti-distortion means which can advantageously be associated with the automatic adjustment means of the focusing point.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Surface Treatment Of Glass (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a method for decorating a perfume bottle, having a wall (11, 12, 13) that has an outer surface (14) and an inner surface (15), at least one of said surfaces (14, 15) having a complex contoured form, the method comprising at least one step of applying a coating (4, 5) on at least one portion of one of the surfaces (14, 15) having a complex form, the method including a subsequent treatment step for treating said coating, and characterized in that said treatment step is a step of marking using a laser beam (F).

Description

Procédé de décoration d'un flacon de parfum et dispositif de décoration Method of decorating a perfume bottle and decorating device
La présente invention concerne un procédé de décoration de flacon de parfum présentant une forme ou une configuration complexe, qui ne peut pas être assimilée à une, ou décomposée en, forme géométrique conventionnelle connue, comme par exemple un plan, un cylindre, une sphère, un cône, etc. La présente invention concerne également un dispositif de décoration permettant de décorer des flacons de parfum de forme complexe. Bien entendu, le domaine d'application de la présente invention est celui de la fabrication et de la décoration des flacons, et plus particulièrement des flacons de parfum, de préférence réalisés en verre. II est déjà connu dans l'art antérieur de marquer l'extérieur des flacons de verre avec un faisceau laser. D'autre part, il est également connu d'appliquer des revêtements sur des flacons de verre. Il existe divers types de revêtement connus, comme par exemple des vernis, des laques, etc. En général, ces revêtements sont situés sur la surface externe du flacon, très rarement sur la surface interne. Toutefois, dans ce dernier cas, le parfum ne vient pas en contact direct avec le revêtement interne, pour des raisons d'extraction et/ou de largage de composants dans le parfum qui pourraient le détériorer et même le rendre dangereux. Il est également connu dans l'art antérieur de traiter ultérieurement le revêtement appliqué sur le flacon de parfum. On connaît entre autres les traitements thermiques permettant de faire durcir certains revêtements.The present invention relates to a process for decorating a perfume bottle having a shape or a complex configuration, which can not be assimilated to, or decomposed into, known conventional geometrical shape, such as for example a plane, a cylinder, a sphere, a cone, etc. The present invention also relates to a decorating device for decorating perfume bottles of complex shape. Of course, the field of application of the present invention is that of the manufacture and decoration of bottles, and more particularly perfume bottles, preferably made of glass. It is already known in the prior art to mark the outside of glass vials with a laser beam. On the other hand, it is also known to apply coatings on glass bottles. There are various types of known coatings, such as varnishes, lacquers, etc. In general, these coatings are located on the outer surface of the bottle, very rarely on the inner surface. However, in the latter case, the perfume does not come into direct contact with the inner coating, for reasons of extraction and / or release of components in the perfume that could deteriorate and even make it dangerous. It is also known in the prior art to further treat the coating applied to the perfume bottle. Among other things, heat treatments are known that make it possible to harden certain coatings.
La présente invention a pour but d'améliorer les procédés de décoration déjà connus de l'art antérieur, particulièrement en ce qui concerne la seconde étape de traitement ultérieur du revêtement. Pour atteindre ce but, la présente invention propose un procédé de décoration d'un flacon de parfum ayant une paroi présentant une surface extérieure et une surface intérieure, au moins une de ces surfaces ayant une forme complexe en relief, le procédé comportant au moins une étape d'application d'un revêtement sur au moins une partie d'une des surfaces de forme complexe, le procédé comprenant une étape ultérieure de traitement dudit revêtement, caractérisé en ce que ladite étape de traitement est une étape de marquage utilisant un faisceau laser.The object of the present invention is to improve the decoration methods already known from the prior art, particularly with regard to the second stage of subsequent treatment of the coating. To achieve this object, the present invention provides a method of decorating a perfume bottle having a wall having an outer surface and an inner surface, at least one of which surfaces has a raised relief shape, the method comprising at least one step of applying a coating to at least a portion of one of the surfaces of complex form, the method comprising a subsequent step of treating said coating, characterized in that said processing step is a marking step using a laser beam.
Avantageusement, la première étape d'application comprend au moins une étape parmi le laquage, le vernissage, le miroitage, le frittage, la pulvérisation, l'enduction, la métallisation sous vide, les dépôts vapeur chimiques ou physiques d'oxydes métalliques, les dépôts plasmas, les dépôts sol gel, les dépôts de poudres minérales, etc.Advantageously, the first application step comprises at least one step among lacquering, varnishing, mirroring, sintering, spraying, coating, vacuum metallization, chemical or physical vapor deposition of metal oxides, plasmas deposits, sol gel deposits, deposits of mineral powders, etc.
Selon une caractéristique intéressante de la présente invention qui peut être mise en œuvre indépendamment, c'est-à-dire sur tous types de flacons de parfum, le faisceau laser traverse la paroi pour traiter un revêtement sur la surface intérieure. En d'autres termes, il n'est pas nécessaire de faire pénétrer le laser à l'intérieur du flacon de parfum à travers son ouverture rétrécie. Le laser opère ainsi de l'extérieur du flacon à travers l'épaisseur de paroi jusqu'à la surface intérieure.According to an advantageous feature of the present invention that can be implemented independently, that is to say on all types of perfume bottles, the laser beam passes through the wall to treat a coating on the inner surface. In other words, it is not necessary to penetrate the laser inside the perfume bottle through its narrowed opening. The laser thus operates from the outside of the bottle through the wall thickness to the inner surface.
On peut bien entendu utiliser n'importe quel type de laser dans le cadre du procédé de décoration de la présente invention, mais il s'est avéré que le laser fibre (ou à fibre) offre les meilleurs résultats, tant au niveau de la précision du faisceau que de la maniabilité du laser. On peut également utiliser un laser Yag, et de préférence un laser Yag fibre. Le laser dopé Ytterbium sera préféré pour le frittage. Le laser Yag fibre sera préféré pour le décapage.Of course, any type of laser can be used as part of the decoration process of the present invention, but it has been found that the fiber (or fiber) laser offers the best results, both in terms of accuracy of the beam than the maneuverability of the laser. It is also possible to use a Yag laser, and preferably a Yag fiber laser. The Ytterbium doped laser will be preferred for sintering. The fiber Yag laser will be preferred for stripping.
Selon un autre aspect avantageux de la présente invention, le faisceau laser est déplacé par rapport au flacon de manière à parcourir la forme complexe du revêtement, le faisceau laser présentant un point de focalisation (ou foyer) déplaçable sur une plage de profondeur pouvant aller jusqu'à 70 mm.According to another advantageous aspect of the present invention, the laser beam is displaced relative to the bottle so as to traverse the complex shape of the coating, the laser beam having a focal point (or focus) movable over a depth range up to at 70 mm.
Avantageusement, le faisceau laser est déplacé par rapport au flacon de manière à parcourir la forme complexe du revêtement, le faisceau laser étant produit par un laser ayant un point de focalisation réglable automatiquement en fonction de la distance au revêtement. Cela signifie que les performances du faisceau laser sont optimales, même lorsque la distance à la cible, c'est-à-dire à la surface interne ou externe à traiter, varie sur une distance déterminée, qui peut être de l'ordre de 70 mm. Cela permet de traiter des flacons de parfum de forme très complexe sans avoir à suivre avec une précision très contraignante la surface à traiter, c'est-à-dire sans l'obligation de maintenir constante la distance séparant la sortie du laser du revêtement à traiter. La position du point de focalisation du faisceau laser varie ainsi de manière automatique et instantanée à mesure que la surface à traiter se rapproche ou s'éloigne de la sortie du faisceau laser. Grâce à ce type de laser, il est possible de réduire considérablement le coût d'un flacon de parfum pourvu d'un décor nécessitant un traitement laser.Advantageously, the laser beam is displaced relative to the bottle so as to traverse the complex shape of the coating, the laser beam being produced by a laser having a focusing point automatically adjustable according to the distance to the coating. This means that the laser beam's performance is optimal even when the distance to the target, that is to say to the internal or external surface to be treated, varies over a determined distance, which can be of the order of 70 mm. This makes it possible to treat perfume bottles of very complex shape without having to follow the surface to be treated with a very strict precision, that is to say without having to maintain a constant distance between the exit of the laser and the coating. treat. The position of the focal point of the laser beam thus varies automatically and instantaneously as the surface to be treated approaches or moves away from the output of the laser beam. With this type of laser, it is possible to significantly reduce the cost of a perfume bottle provided with a decor requiring laser treatment.
La présente invention a également pour objet un dispositif pour mettre en œuvre le procédé de décoration décrit ci-dessus, le dispositif comprenant un laser ayant point de focalisation, caractérisé en ce que le laser comprend des moyens de réglage automatique permettant de faire varier la position du point de focalisation du faisceau laser en fonction de la distance du revêtement à traiter. De préférence, le laser est un laser à fibre (ou fibre), avantageusement du type Yag.The present invention also relates to a device for implementing the decoration method described above, the device comprising a laser having a focusing point, characterized in that the laser comprises automatic adjustment means for varying the position. the focal point of the laser beam as a function of the distance of the coating to be treated. Preferably, the laser is a fiber laser (or fiber), advantageously of the Yag type.
Un principe de la présente invention est le marquage (ou gravage) de revêtements appliqués sur des flacons de parfum de forme complexe grâce à un laser, et ceci que le revêtement soit sur la surface extérieure ou intérieure du flacon. Le laser de la présente invention peut être utilisé pour divers types de traitement de revêtements, qui ne se limitent pas qu'au marquage ou gravage.One principle of the present invention is the marking (or etching) of coatings applied to perfume bottles of complex shape by means of a laser, and that the coating is on the outer or inner surface of the flask. The laser of the present invention can be used for various types of coating treatments, which are not limited to marking or etching.
L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemple non limitatif un mode de réalisation de l'invention.The invention will now be more fully described with reference to the accompanying drawings giving by way of non-limiting example an embodiment of the invention.
Sur les figures :In the figures:
La figure 1 est une vue en coupe transversale verticale à travers un flacon de parfum qui peut être décoré grâce au procédé de la présente invention, et La figure 2 est une vue très schématique d'une partie très fortement agrandie d'une paroi d'un flacon de parfum traitée à l'aide d'un dispositif de décoration selon l'invention.Fig. 1 is a vertical cross-sectional view through a perfume bottle which may be decorated by the method of the present invention, and Figure 2 is a very schematic view of a very greatly enlarged part of a wall of a perfume bottle treated with a decoration device according to the invention.
Le flacon de parfum, représenté en coupe transversale sur la figure 1 , comprend un corps 1 et un col 2. Le corps 1 définit intérieurement un réservoir 10 pour le parfum qui communique avec l'extérieur à travers une ouverture 21 formée par le col 2. Le réservoir 10 est défini par une paroi du corps 1 , qui peut être réalisée en n'importe quel matériau approprié, comme par exemple du verre. Avantageusement, le verre peut être transparent ou translucide, par exemple réalisé à partir d'un verre sans coloration ou avec une coloration ne le rendant pas opaque. La paroi du corps peut être divisée en trois parties distinctes, à savoir un fond 11 , des faces latérales 12 et un épaulement 13 à partir duquel s'étend le col 2. L'épaisseur de la paroi du corps, peut être constante, ou au contraire irrégulière, comme c'est le cas pour le flacon de parfum de la figure 1. La paroi du corps définit ainsi une surface extérieure 14 et une surface intérieure 15, qui délimitent le réservoir 10. La surface extérieure 14 et/ou la surface intérieure 15 présentent une forme complexe en relief qui ne peut pas être assimilée, modélisée ou décomposée en forme(s) géométhque(s) simple(s) comme par exemple un plan, un cylindre, une sphère, un cône, un ellipsoïde, etc. Comme on peut le voir sur la figure 1 , les surfaces extérieure 14 et intérieure 15 présentent une forme complexe indéfinissable géométriquement. De toutes façons, la surface interne d'un flacon verre n'est jamais totalement plane car elle est obtenue par soufflage d'une bulle d'air comprimé. Bien que non représenté, un dispositif de distribution, tel qu'une pompe ou une valve, peut être associé au flacon de parfum pour constituer ensemble un distributeur de parfum. La pompe ou la valve est montée sur le col 2 à l'aide de moyens de fixation appropriés. La pompe comprend en général un tube plongeur qui s'étend dans le réservoir jusqu'à proximité de son fond. La pompe comprend un poussoir sur lequel on peut appuyer à l'aide d'un ou de plusieurs doigts pour actionner la pompe et ainsi distribuer le parfum extrait du réservoir 10. Tout ceci est tout à fait classique pour un distributeur de parfum.The perfume bottle, shown in cross-section in FIG. 1, comprises a body 1 and a neck 2. The body 1 internally defines a reservoir 10 for the perfume which communicates with the outside through an opening 21 formed by the neck 2 The reservoir 10 is defined by a wall of the body 1, which can be made of any suitable material, such as glass. Advantageously, the glass may be transparent or translucent, for example made from a glass without coloration or with a color that does not make it opaque. The wall of the body can be divided into three distinct parts, namely a bottom 11, lateral faces 12 and a shoulder 13 from which the neck 2 extends. The thickness of the wall of the body can be constant, or on the contrary irregular, as is the case for the perfume bottle of Figure 1. The wall of the body thus defines an outer surface 14 and an inner surface 15, which define the reservoir 10. The outer surface 14 and / or the inner surface 15 have a complex shape in relief which can not be assimilated, modeled or decomposed in geometeque form (s) simple (s) such as for example a plane, a cylinder, a sphere, a cone, an ellipsoid, etc. As can be seen in FIG. 1, the outer 14 and inner 15 surfaces have a geometrically indefinable complex shape. In any case, the inner surface of a glass flask is never totally flat because it is obtained by blowing a bubble of compressed air. Although not shown, a dispensing device, such as a pump or a valve, may be associated with the perfume bottle to form together a perfume dispenser. The pump or the valve is mounted on the neck 2 by means of suitable fastening means. The pump generally comprises a dip tube which extends into the reservoir to near its bottom. The pump comprises a pusher on which one can press with the aid of one or more fingers to actuate the pump and thus distribute the perfume extracted from the tank 10. All this is quite classic for a perfume dispenser.
Selon l'invention, la surface externe 14 comprend au niveau de la partie inférieure droite de sa face latérale 12 un revêtement 4. Ce revêtement 4 ne s'étend que sur une partie de la surface externe 14, mais il peut également s'étendre sur la totalité de la surface 14. Ce revêtement extérieur 4 peut être de diverses natures, comme par exemple un vernis, une laque, une métallisation, une couche frittée, une couche miroir, et plus généralement n'importe quel revêtement susceptible d'adhérer à la surface externe 14. De manière similaire, la surface interne 15 est également pourvue d'un revêtement 5 qui s'étend au moins sur une partie de la surface 15. Sur la figure 1 , on peut par exemple apercevoir un revêtement 5 en deux parties qui s'étend sur la partie gauche de la face latérale 12. Les deux parties de revêtement 5 sont séparées par une zone de la surface interne 15 qui est nue. La nature de ce revêtement 5 peut être identique à celle du revêtement externe 4. En fonction de la nature, de la composition et du mode d'application et d'obtention des revêtements 4 et 5, on peut les marquer ou graver plus ou moins profondément, intensément, sans pour autant les décaper. Le but est de modifié l'aspect des revêtements sans les retirer. Cette modification d'aspect et parfois même de couleur peut être générée par des phénomènes de carbonisation, de bullage, ou de modification(s) chimique(s) partielles du revêtement. L'état final des revêtements 4 et/ou 5 peut ainsi être considéré comme la résultante d'un procédé de décoration comprenant une première étape d'application du revêtement et une deuxième étape de traitement dudit revêtement pour qu'il parvienne à son état final. On peut par exemple déposer un sol gel sur la surface interne 15 du flacon et ensuite la marquer ou graver localement au laser pour créer un motif, une image un logo, etc. L'utilisation de sol gel pour réaliser un revêtement à l'intérieur ou à l'extérieur d'un flacon de parfum est une technique qui peut être mise en œuvre et donc protégée indépendamment du traitement de marquage ou gravage. Les sol gel utilisent des procédés permettant la production de matériaux vitreux sans recourir à la fusion. Selon l'invention, la seconde étape de marquage ou gravage est réalisée à l'aide d'un laser produisant un faisceau dont le point de focalisation atteint sa cible, à savoir le revêtement externe 4 et/ou le revêtement interne 5. La chaleur apportée par le faisceau laser au niveau du revêtement à pour but de la durcir, de le fritter, de le marquer, de l'altérer, de le décaper, etc.According to the invention, the outer surface 14 comprises at the lower right portion of its lateral face 12 a coating 4. This coating 4 extends only over part of the external surface 14, but it can also extend on the entire surface 14. This outer coating 4 may be of various types, such as a varnish, a lacquer, a metallization, a sintered layer, a mirror layer, and more generally any coating likely to adhere on the outer surface 14. Similarly, the inner surface 15 is also provided with a coating 5 which extends at least over part of the surface 15. In FIG. 1, for example, a coating 5 can be seen. two parts extending on the left side of the side face 12. The two coating parts 5 are separated by a zone of the inner surface 15 which is bare. The nature of this coating 5 may be identical to that of the outer coating 4. Depending on the nature, composition and method of application and obtaining coatings 4 and 5, they can be marked or engraved more or less deeply, intensely, without stripping them. The goal is to change the appearance of the coatings without removing them. This change in appearance and sometimes even color can be generated by carbonization phenomena, bubbling, or chemical modification (s) partial coating. The final state of the coatings 4 and / or 5 can thus be considered as the result of a decoration process comprising a first coating application step and a second treatment step of said coating so that it reaches its final state . For example, a gel sol can be deposited on the inner surface of the vial and then scribed or etched locally with a laser to create a pattern, image, logo, etc. The use of gel sol to effect a coating inside or outside a perfume bottle is a technique that can be implemented and therefore protected independently of the marking or etching treatment. The gel sol use processes that allow the production of vitreous materials without the need for fusion. According to the invention, the second marking or etching step is carried out using a laser producing a beam whose focal point reaches its target, namely the outer coating 4 and / or the inner lining 5. The heat brought by the laser beam to the coating is intended to harden, sinter, mark, alter, strip, etc.
Sur la figure 2, on peut voir de quelle manière un faisceau laser F issu d'une sortie S d'un générateur laser L atteint le revêtement intérieur 5 et/ou le revêtement extérieur 4 avec son point de focalisation Pf. On peut remarquer que le faisceau laser F, pour traiter le revêtement interne 5, traverse la paroi du corps 1 à partir de l'extérieur du flacon. Ceci est représenté sur la partie haute de la figure 2. Sur la partie basse, on peut voir le faisceau laser F dont le point focal Pf est situé sur le revêtement extérieur 4. Il est à noter que le traitement laser d'un revêtement intérieur d'un flacon de parfum à partir de l'extérieur de ce flacon est une caractéristique protégeable en soi, indépendamment du fait que le flacon présente une forme complexe ou non. D'autre part, il s'est avéré particulièrement performant d'utiliser un laser à fibre ou fibre, plutôt qu'un laser conventionnel d'ancienne génération. Un laser Yag a également donné de bonnes performances. Un laser Yag fibre a donné les meilleures performances. Le laser fibre est particulièrement avantageux, du fait que le faisceau laser est concentré dans une fibre optique, ce qui permet de diminuer la taille du faisceau (F) sous les 50 μm. Un faisceau de 30μm, ou inférieur à 30μm, permet une ablation propre, précise et sans écaillage du revêtement, ce qui limite considérablement les risques d'infiltration du parfum entre le revêtement et le verre. Le laser dopé Ytterbium sera préféré pour le frittage. Le laser Yag fibre sera préféré pour le décapage.In FIG. 2, it can be seen how a laser beam F coming from an output S of a laser generator L reaches the inner lining 5 and / or the outer lining 4 with its focusing point Pf. the laser beam F, to treat the inner liner 5, passes through the wall of the body 1 from the outside of the bottle. This is shown in the upper part of Figure 2. On the lower part, we can see the laser beam F whose focal point Pf is located on the outer skin 4. It should be noted that the laser treatment of a lining A vial of perfume from the outside of this vial is a protectable feature per se, regardless of whether the vial has a complex shape or not. On the other hand, it has been particularly successful to use a fiber or fiber laser, rather than a conventional older generation laser. A Yag laser also gave good performance. A fiber Yag laser gave the best performance. The fiber laser is particularly advantageous because the laser beam is concentrated in an optical fiber, which makes it possible to reduce the size of the beam (F) below 50 μm. A beam of 30μm, or less than 30μm, allows a clean, accurate and without peeling of the coating, which considerably limits the risks of infiltration of the perfume between the coating and the glass. The Ytterbium doped laser will be preferred for sintering. The fiber Yag laser will be preferred for stripping.
Selon un autre aspect avantageux de l'invention, le générateur de laser L est équipé ou associé à des moyens de réglage automatique Rf permettant de faire varier automatiquement la position du point de focalisation Pf du faisceau laser F en fonction de la distance du revêtement à traiter. Ces moyens de réglage Rf permettent par exemple, pour un positionnement axial identique, comme représenté sur la figure 2, de faire varier la distance focale, c'est-à-dire le positionnement du point de focalisation Pf en fonction de la distance séparant la sortie S du revêtement à traiter. Sur la figure 2, on peut facilement remarquer que la distance focale du faisceau F traitant le revêtement externe 4 est plus courte que la distance focale du faisceau F traitant le revêtement interne 5. Les moyens de réglage Rf peuvent par exemple comprendre un logiciel permettant, à partir d'une numérisation de la forme du revêtement à traiter, de faire varier le positionnement du point focal Pf, en agissant par exemple sur la lentille de sortie du laser. En variante ou additionnellement, les moyens de réglage Rf peuvent comprendre un ou plusieurs capteurs permettant de mesurer la distance séparant la sortie S du revêtement à traiter. Les valeurs mesurées par ces capteurs sont alors converties en signaux permettant de faire varier le positionnement du point focal. D'autres techniques peuvent encore être utilisées pour faire varier la position du point de focalisation en fonction de la distance à la cible à traiter. Ainsi, les moyens de réglage automatique Rf peuvent par exemple permettre une variation de la position du point de focalisation sur une plage ayant une profondeur pouvant aller jusqu'à environ 70 mm. Une telle plage de profondeur est suffisante pour traiter la plupart des flacons de parfum. En effet, il est rare que les faces latérales d'un flacon de parfum réalisent des creux et/ou des bosses ayant des amplitudes supérieures à 40 mm. Le point de focalisation est par exemple réglé initialement sur la valeur médiane de la plage de profondeur de variation, et se déplacera ensuite de part et d'autre de cette valeur médiane de manière symétrique ou dissymétrique selon la forme complexe du flacon. Avec un tel laser à réglage automatique du point de focalisation, il est possible de traiter la quasi-totalité des flacons de parfum sans avoir à générer des déplacements complexes relatifs entre la sortie du laser et le flacon de parfum. Ceci n'est pas le cas avec la plupart des lasers à point de focalisation fixe, qui nécessite un déplacement continu et très précis de la sortie laser afin que le point de focalisation soit toujours situé sur la cible à traiter. Un laser à réglage automatique du point de focalisation constitue ainsi un dispositif de décoration idéal pour les flacons de parfum ayant plus particulièrement des surfaces externes et internes de forme complexe.According to another advantageous aspect of the invention, the laser generator L is equipped with or associated with automatic adjustment means Rf making it possible to automatically vary the position of the focusing point Pf of the laser beam F as a function of the distance of the coating from treat. These adjustment means Rf make it possible, for example, for a identical axial positioning, as shown in Figure 2, to vary the focal length, that is to say the positioning of the focusing point Pf as a function of the distance between the outlet S of the coating to be treated. In FIG. 2, it can easily be observed that the focal length of the beam F treating the outer coating 4 is shorter than the focal length of the bundle F treating the inner liner 5. The adjustment means Rf may for example comprise software that allows, from a digitization of the shape of the coating to be treated, to vary the positioning of the focal point Pf, by acting for example on the output lens of the laser. Alternatively or additionally, the adjustment means Rf may comprise one or more sensors making it possible to measure the distance separating the outlet S from the coating to be treated. The values measured by these sensors are then converted into signals to vary the positioning of the focal point. Other techniques can still be used to vary the position of the focusing point depending on the distance to the target to be treated. Thus, the automatic adjustment means Rf may for example allow a variation of the position of the focusing point on a range having a depth of up to about 70 mm. Such a depth range is sufficient to treat most perfume bottles. Indeed, it is rare that the side faces of a perfume bottle make depressions and / or bumps having amplitudes greater than 40 mm. The focusing point is for example initially set to the median value of the range of variation depth, and then will move on either side of this median value symmetrically or asymmetrically depending on the complex shape of the bottle. With such a self-adjusting focusing point laser, it is possible to treat almost all perfume bottles without having to generate complex relative movements between the laser output and the perfume bottle. This is not the case with most lasers with fixed focus, which requires a continuous and very precise displacement of the laser output so that the focus point is always located on the target to be treated. A self-adjusting focusing point laser is thus an ideal decoration device for perfume bottles having more particularly complex external and internal surfaces.
Un autre logiciel traitant les phénomènes de distorsion optiques semblables à l'anamorphose peut avantageusement être associé au laser. Ce logiciel permet d'éviter les problèmes de distorsion qui pourraient être induits de par le positionnement non incident du faisceau laser F par rapport au revêtement, compte tenue de la topographie du revêtement à traiter. Une résille formée de losanges identiques peut par exemple gravée ou décapée sur un revêtement appliqué sur un surface complexe sans risque de déformer les losanges au niveau de zones non incidentes. Le logiciel permet, à partir d'une numérisation de la forme du revêtement à traiter, d'influer sur le déplacement du faisceau laser F pour qu'il tienne compte de la topographie du revêtement. Ce logiciel constitue des moyens anti-distorsion qui peuvent avantageusement être associés aux moyens de réglage automatique du point de focalisation.Another software dealing with optical distortion phenomena similar to anamorphosis may advantageously be associated with the laser. This software makes it possible to avoid the problems of distortion that could be induced by the non-incident positioning of the laser beam F with respect to the coating, given the topography of the coating to be treated. For example, a mesh of identical diamonds may be etched or etched on a coating applied to a complex surface without the risk of deforming the diamonds at non-incidental areas. The software makes it possible, from a digitization of the shape of the coating to be treated, to influence the displacement of the laser beam F so that it takes into account the topography of the coating. This software constitutes anti-distortion means which can advantageously be associated with the automatic adjustment means of the focusing point.
Grâce à l'invention, on peut réaliser des revêtements internes et/ou externes de nature, de composition et de forme très diverses sans pour autant engendrer une manipulation très compliquée, et par conséquent coûteuse, du laser. Thanks to the invention, it is possible to produce internal and / or external coatings of a very different nature, composition and shape without, however, creating a very complicated and therefore expensive manipulation of the laser.

Claims

Revendications claims
1.- Procédé de décoration d'un flacon de parfum ayant une paroi (11 , 12, 13) présentant une surface extérieure (14) et une surface intérieure (15), au moins une de ces surfaces (14, 15) ayant une forme complexe en relief, le procédé comportant au moins une étape d'application d'un revêtement (4, 5) sur au moins une partie d'une des surfaces (14, 15) de forme complexe, le procédé comprenant une étape ultérieure de traitement dudit revêtement, caractérisé en ce que ladite étape de traitement est une étape de marquage utilisant un faisceau laser (F).A method of decorating a perfume bottle having a wall (11, 12, 13) having an outer surface (14) and an inner surface (15), at least one of which surfaces (14, 15) having a embossed complex form, the process comprising at least one step of applying a coating (4, 5) to at least a portion of one of the complex-shaped surfaces (14, 15), the method comprising a subsequent step of treatment of said coating, characterized in that said processing step is a marking step using a laser beam (F).
2.- Procédé de décoration selon la revendication 1 , dans lequel le faisceau laser (F) traverse la paroi pour traiter un revêtement (5) sur la surface intérieure (15).2. The decoration method according to claim 1, wherein the laser beam (F) passes through the wall to treat a coating (5) on the inner surface (15).
3.- Procédé de décoration selon la revendication 1 ou 2, dans lequel le faisceau laser (F) est produit par un laser fibre.3. The decorating method according to claim 1 or 2, wherein the laser beam (F) is produced by a fiber laser.
4.- Procédé de décoration selon la revendication 1 , 2 ou 3, dans lequel le faisceau laser (F) est produit par un laser Yag ou dopé Ytterbium.4. The decoration method according to claim 1, 2 or 3, wherein the laser beam (F) is produced by a Yag laser or doped Ytterbium.
5.- Procédé de décoration selon l'une quelconque des revendications précédentes, dans lequel le faisceau laser (F) est déplacé par rapport au flacon de manière à parcourir la forme complexe du revêtement (4,5), le faisceau laser (F) présentant un point de focalisation (Pf) déplaçable sur une plage de profondeur d'environ 70 mm.5.- A method of decoration according to any one of the preceding claims, wherein the laser beam (F) is moved relative to the bottle so as to traverse the complex shape of the coating (4,5), the laser beam (F) having a focusing point (Pf) movable over a depth range of about 70 mm.
6.- Procédé de décoration selon l'une quelconque des revendications précédentes, dans lequel le faisceau laser (F) est déplacé par rapport au flacon de manière à parcourir la forme complexe du revêtement (4,5), le faisceau laser (F) étant produit par un laser (L) ayant un point de focalisation (Pf) réglable automatiquement en fonction de la distance au revêtement (4, 5).6. A decoration method according to any one of the preceding claims, wherein the laser beam (F) is moved relative to the bottle so as to traverse the complex shape of the coating (4,5), the laser beam (F) being produced by a laser (L) having a focusing point (Pf) automatically adjustable according to the distance to the coating (4, 5).
7.- Procédé de décoration selon l'une quelconque des revendications précédentes, dans lequel la première étape d'application comprend au moins une étape parmi le laquage, le vernissage, le miroitage, le frittage, la pulvérisation, l'enduction, la métallisation sous vide, les dépôts vapeur chimiques ou physique d'oxydes métallique, les dépôts plasmas, les dépôts sol gel, les dépôts de poudres minérales.7. A decoration method according to any one of the preceding claims, wherein the first application step comprises at least one step among lacquering, varnishing, mirroring, sintering, spraying, coating, metallization. under vacuum, chemical vapor deposits or physical metal oxides, plasma deposits, sol-gel deposits, deposits of mineral powders.
8.- Dispositif pour mettre en œuvre le procédé de décoration selon l'une des revendications 1 à 7, le dispositif comprenant un laser (L) ayant point de focalisation (Pf), caractérisé en ce que le laser (L) comprend des moyens de réglage automatique (Rf) permettant de faire varier le point de focalisation (Pf) du faisceau laser (F) en fonction de la distance du revêtement (4, 5) à traiter.8. Device for implementing the decoration method according to one of claims 1 to 7, the device comprising a laser (L) having a point of focus (Pf), characterized in that the laser (L) comprises means automatic adjustment device (Rf) for varying the focusing point (Pf) of the laser beam (F) as a function of the distance of the coating (4, 5) to be treated.
9.- Dispositif de décoration selon la revendication 8, dans lequel le laser (L) comprend des moyens anti-distorsion permettant d'éviter les distorsions qui pourraient être induites de par le positionnement non incident du faisceau laser ( F) par rapport au revêtement (4, 5), compte tenue de la topographie du revêtement à traiter.9. A decorating device according to claim 8, wherein the laser (L) comprises anti-distortion means to avoid distortions that could be induced by the non-incident positioning of the laser beam (F) relative to the coating. (4, 5), taking into account the topography of the coating to be treated.
10.- Dispositif de décoration selon la revendication 8 ou 9, dans lequel le laser est un laser fibre, avantageusement de type Yag, ou dopé Ytterbium. 10. The decorating device according to claim 8 or 9, wherein the laser is a fiber laser, preferably YAG type, or doped Ytterbium.
EP09742316A 2008-04-18 2009-04-10 Method for decorating a perfume bottle including laser treatment of a coating Active EP2296907B1 (en)

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FR0852645A FR2930193B1 (en) 2008-04-18 2008-04-18 METHOD FOR DECORATING A PERFUME BOTTLE AND DECORATION DEVICE
PCT/FR2009/050667 WO2009136118A1 (en) 2008-04-18 2009-04-10 Method for decorating perfume bottle, and decorating device

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FR2930121B1 (en) * 2008-04-18 2010-05-21 Shiseido Int France PERFUME BOTTLE
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FR2957848A1 (en) * 2010-03-25 2011-09-30 Lotoise D Evaporation Solev Soc HOLLOW BODY SUCH AS A BOTTLE FOR PERFUMERY OR COSMETICS HAVING A REASON BY LOCALIZED REMOVAL OF A COATING.
FR2958661B1 (en) * 2010-04-09 2014-07-18 Lotoise D Evaporation Solev Soc CONTAINER COMPRISING A CONTROLLED THICK METALLIZATION COATING LAYER.
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FR2959163B1 (en) * 2010-04-21 2021-02-12 Soc Lotoise Devaporation Solev TRANSPARENT OR TRANSLUCENT HOLLOW BODY WITH A WALL WITH A COATING WITH A SURFICIAL PATTERN.
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