EP1759610A1 - Device for storing and applying comprising a magnetic device - Google Patents

Device for storing and applying comprising a magnetic device Download PDF

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Publication number
EP1759610A1
EP1759610A1 EP06300902A EP06300902A EP1759610A1 EP 1759610 A1 EP1759610 A1 EP 1759610A1 EP 06300902 A EP06300902 A EP 06300902A EP 06300902 A EP06300902 A EP 06300902A EP 1759610 A1 EP1759610 A1 EP 1759610A1
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EP
European Patent Office
Prior art keywords
support
nail
magnetic
magnet
assembly according
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
EP06300902A
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German (de)
French (fr)
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EP1759610B1 (en
Inventor
Marc Ramet
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LOreal SA
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LOreal SA
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Publication date
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Publication of EP1759610A1 publication Critical patent/EP1759610A1/en
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Publication of EP1759610B1 publication Critical patent/EP1759610B1/en
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Classifications

    • 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
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
    • 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
    • A45D29/00—Manicuring or pedicuring implements
    • 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
    • A45D2034/002—Accessories

Definitions

  • the present invention relates to packaging and application sets of a cosmetic composition and more particularly those intended for the application of a composition comprising bodies having non-zero magnetic susceptibility.
  • the invention allows the user to create new makeup effects by changing the orientation of the magnetic bodies and / or moving them.
  • the information may be located on the container and / or on the magnetic device.
  • the assembly may comprise an applicator and the information may be located on the applicator, in particular on a gripping member.
  • the information comprises a decoration formed at least partially by the orientation of magnetic bodies under the effect of a magnetic field.
  • the assembly comprises for example a composition deposition in the form of a lacquer having been exposed to a magnetic field.
  • the assembly comprises a thermoplastic material including magnetic bodies whose orientation has been modified by exposure to a magnetic field, so as to create the decor.
  • the information can be further formed at least partially by printing.
  • the container may comprise a housing or a bottle, the information being for example located on a closure member of the container.
  • the information may still be contained in a package of the container and / or the applicator, being for example printed on a note in this package.
  • the composition may be a nail polish or any other product to be applied to the skin, superficial body growths or mucous membranes.
  • the applicator may include an applicator member connected to a closure member of the container, and the magnetic device may be incorporated in the closure member.
  • the magnetic device comprises for example a permanent magnet fixed in a corresponding housing of the closure member, the magnet being for example glued in this housing.
  • the magnetic device may also comprise oriented magnetic particles present, for example, in a thermoplastic material or a resin.
  • the magnetic device may include an electromagnet.
  • the magnet or electromagnet has for example an apparent face located on the top of the closure member.
  • Such a set is practical to use, and in particular allows the user to rapidly expose a composition deposit to a magnetic field before complete drying of the composition.
  • the magnetic device may comprise at least one surface intended to rest against a fixed support in order to maintain the magnet or electromagnet at a predefined distance from the region on which the composition is applied.
  • the magnetic device comprises for example two tabs that can rest against a horizontal flat surface during use and allowing the user to slide his finger between them for exposure to the magnetic field.
  • the magnetic device may comprise adjustment means allowing the user to adjust for example the distance or the orientation of the magnet or electromagnet relative to the coated region of the magnetic composition.
  • the magnetic device may include a housing for introducing the end of the finger.
  • the invention also relates to an assembly comprising a bottle containing a composition to be applied to the nails and a device as defined above, fixed on this bottle.
  • the support may comprise a lug defining a first stop for the nail.
  • the bottle may have a body having a generally square or rectangular cross-section.
  • the body of the bottle may be of glass or of another material, in particular a thermoplastic material.
  • the support may comprise, for example, two wings joined by a front upright, the bottle being engaged between these wings, the abovementioned bearing surface may be defined by the front upright.
  • At least one of the wings may include a back, retaining the bottle between the wings.
  • At least one of the wings may comprise a relief for immobilizing snap the bottle, for example after introduction thereof by a sliding movement between the wings.
  • the support has an opening for placing it on a neck of the bottle.
  • This opening may be made in an upper wall connecting at the front to a front upright of the support.
  • This upper wall can be connected at the rear to a return directed downwards, arranged to be applied on a rear face of the bottle.
  • the support may comprise a front upright connecting lower to a lower wall arranged to be positioned under the bottle.
  • the support has a bottom wall arranged to attach to the bottom of the bottle, for example by gluing.
  • the support may comprise a housing and the magnet may be engaged at least partially in this housing, being for example fixed in it by snapping and / or gluing. .
  • the housing comprises two opposite ribs for retaining the magnet.
  • the magnet is for example engaged in the housing by a sliding movement between these ribs.
  • the housing may be arranged to allow snap fastening of the magnet and at least one of the aforementioned ribs may comprise for example a boss which is crossed by the magnet during its introduction.
  • the housing may comprise at least one relief facilitating the bonding of the magnet in the housing, accommodating the glue.
  • the housing may open inferiorly and / or between the possible wings of the support, for example to allow a setting up of the magnet from below and / or from the rear.
  • the housing can be delimited below by a lug which can define a stop for the nail.
  • This lug may have a rounded front edge convex to the front or alternatively a concave front edge forward.
  • a concave edge may for example allow to apply against it the cuticle of the nail to expose to the magnetic field.
  • the lug may further comprise a flat front edge or having a different shape.
  • the magnet can have various shapes, including a parallelepiped shape.
  • the magnet may be disposed on the support with at least one vertical side or alternatively the magnet may have a front face having a rhomboidal shape, which may make it possible to subject the composition layer to a magnetic field gradient facilitating the performing a make-up of the type "French manicure".
  • the support may comprise a front upright having a recess substantially substantially matching the shape of the finger or the fingernail, which may be useful in particular when the magnet has a diamond-shaped front face, to properly position the fingernail.
  • the magnet can come, especially when it has a diamond shape, supported by two sides only against an edge of the housing.
  • the magnet may be located in the lower half of the support or alternatively in its upper half or elsewhere.
  • the magnet When the magnet is located in the lower part of the support, it can be used for example with the nail pointing downwards, the edge of the nail taking for example support against the aforementioned pin, which can be provided with a return also allowing a support of the inner face of the nail.
  • the support may comprise a front upright having a recess substantially conforming to the shape of the finger or the fingernail.
  • the magnet can bear on two sides only against an edge of a corresponding housing of the support.
  • the support can be removably attached to the vial, to allow for example the user to replace the vial when the composition is exhausted.
  • the support can be fixed non-releasably on the bottle.
  • Such a device makes it possible to produce a pattern on the nail, in particular by reducing the risk of accidental contact of the varnish with the magnetic device and facilitates the reproducibility of producing a decoration on the nail.
  • the first stop may be adjustable, if necessary, as well as the position of the magnet or electromagnet relative to the support.
  • the first stop may include a return allowing a support of the inner face of the nail. This return can allow the user to rotate more easily the support relative to the nail.
  • the support advantageously comprises a second stop arranged to bear on the top of the finger when the nail is introduced into the magnetic field of the magnet.
  • This second stop can be adjustable.
  • the first and second stops advantageously have curved shapes adapted to the curvature of the nail and / or the finger.
  • the support can be arranged to attach to a vial in the absence of use.
  • the support comprises for example an opening to engage on the neck of the bottle.
  • the pivoting can in particular be carried out around a support of the nail and / or finger against a support of the magnetic device.
  • the latter is advantageously as defined above, comprising at least one first stop for the nail and / or the finger.
  • Such a method may in particular make it possible to produce a make-up of the "French manicure” type.
  • the magnetic field may be exerted for example by means of a magnet having a wedge-shaped portion converging in a direction substantially parallel to a median plane of the nail.
  • a magnet having a diamond shape when the bottle is vertical can for example be used, the nail being then oriented vertically, for example.
  • the invention further relates to a magnetic device for producing a decoration on a nail on which a deposit of a composition comprising magnetic bodies has been carried out, comprising a support and at least one magnet or electromagnet carried by the support, this last having a housing for receiving the fingernail and being arranged to maintain the magnet or electromagnet at a predefined distance from the nail present in the housing.
  • Such a support ensures the maintenance of the magnetic device on the container in the absence of use.
  • the packaging and application assembly may comprise a closure member of the container, arranged to hold the support on the neck when it closes the container.
  • the subject of the invention is also a method for manufacturing a magnetic device, intended for example for carrying out the method of forming a aforementioned decoration, comprising a support and magnetic particles incorporated in the support, in which the support is made of a fluid material that can solidify and in which before solidification of the support material the particles are oriented under the action of a magnetic field.
  • the magnetic particles, after orientation, behave like a permanent magnet.
  • Such a manufacturing method may facilitate the production of a magnetic device having a predefined magnetic field geometry, suitable for the decoration to be produced.
  • the support may be part of a cosmetic product applicator.
  • magnetic bodies are meant bodies having a non-zero magnetic susceptibility, that is to say sensitive to the action of a magnetic field and tending for example to align with the field lines.
  • magnetic body thus encompasses magnetizable bodies.
  • the magnetic bodies used do not exhibit remanent magnetization in the absence of a magnetic field.
  • the magnetic bodies may comprise any magnetic material having a sensitivity to the lines of a magnetic field, whether this field is produced by a permanent magnet or derived from an induction, this material being for example chosen from nickel, cobalt, iron , their alloys and oxides, especially Fe 3 O 4 , and also gadolinium, terbium, dysprosium, erbium, their alloys and oxides.
  • the magnetic material may comprise metal iron, especially soft iron, possibly coated.
  • the magnetic bodies may or may not have a multilayer structure, comprising at least one layer of a magnetic material, such as for example iron, nickel, cobalt, their alloys and oxides, especially Fe 3 O 4 .
  • a magnetic material such as for example iron, nickel, cobalt, their alloys and oxides, especially Fe 3 O 4 .
  • the magnetic bodies are preferably aspherical, having for example an elongate shape.
  • these bodies when they are subjected to the magnetic field, they tend to orient themselves with their longitudinal axis in the alignment of the field lines, and undergo a change of orientation which results in a change of appearance of the composition.
  • the magnetic bodies are substantially spherical, preferably their appearance is inhomogeneous, so that a change of orientation induces a change of appearance.
  • the amount of magnetic bodies is sufficient for the appearance of the composition to depend on their orientation and / or location.
  • the concentration of magnetic bodies is, for example, between about 0.05 and about 97% by weight, especially between about 0.1 and about 95% by weight, more preferably between about 0.1 and about 90% by weight, for example the order of 3% by mass.
  • the size of the magnetic bodies is for example between 1 nm and 700 ⁇ m, better between 1 ⁇ m and 500 ⁇ m, better still between 10 ⁇ m and 150 ⁇ m.
  • dimension is meant the dimension given by the statistical size distribution at half of the population, called D50.
  • the magnetic bodies of the composition may comprise magnetic pigments.
  • Particularly suitable pigments are nacres comprising Fe 3 O 4 iron oxide.
  • Pigments having magnetic properties are, for example, those sold under the trade names COLORONA BLACKSTAR BLUE, COLORONA BLACKSTAR GREEN, COLORONA BLACKSTAR GOLD, COLORONA BLACKSTAR RED, CLOISONNE NU ANTIQUE SUPER GREEN, MICRONA MATTE BLACK (17437), MICA BLACK (17260), COLORONA PATINA SILVER (17289) and COLORONA PATINA GOLD (117288) by MERCK or FLAMENCO TWILIGHT RED, FLAMENCO TWILIGHT GREEN, FLAMENCO TWILIGHT GOLD, TWILIGHT BLUE FLAMENCO, TIMICA NU ANTIQUE SILVER 110 AB, TIMICA NU ANTIQUE GOLD 212 GB, TIMICA NU-ANTIQUE COPPER 340 AB, ANCIENT TIMICA NU
  • Magnetic bodies can be fibers.
  • fibers refers to generally elongate bodies, having for example a form factor ranging from 3.5 to 2500 or from 5 to 500, for example from 5 to 150.
  • the form factor is defined by the ratio L / D, where L is the length of the fiber and D is the diameter of the circle in which the largest cross-section of the fiber is inscribed.
  • the cross section of the fibers may be, for example, in a circle with a diameter ranging from 2 nm to 500 ⁇ m, for example ranging from 100 nm to 100 ⁇ m, or even from 1 ⁇ m to 50 ⁇ m.
  • the fibers may have, for example, a length ranging from 1 ⁇ m to 10 mm, for example from 0.1 mm to 5 mm, or even from 0.3 mm to 3.5 mm.
  • the fibers may have a mass ranging, for example, from 0.15 to 30 denier (mass per gram per 9 km of yarn), for example from 0.18 to 18 denier.
  • the cross-sectional shape of the fibers may be arbitrary, for example circular or polygonal, in particular square, hexagonal or octagonal.
  • composition may comprise solid or hollow fibers, independent or interconnected, for example braided.
  • the composition may comprise fibers having blunt and / or rounded ends, for example by polishing.
  • the fibers may not have their shape substantially modified when they are introduced into the composition, being for example initially rectilinear and sufficiently rigid to retain their shape.
  • the fibers may have a flexibility allowing them to deform substantially within the composition.
  • the fibers may comprise a non-zero content, up to 100%, of a magnetic material based on iron, zinc, nickel, cobalt or manganese and their alloys and oxides, in particular Fe 3 O 4 , rare earths, barium sulfate, silicon iron alloys, optionally loaded with molybdenum, Cu 2 MnAl, MnBi, or a mixture thereof, this list not being limiting.
  • a magnetic material based on iron, zinc, nickel, cobalt or manganese and their alloys and oxides, in particular Fe 3 O 4 , rare earths, barium sulfate, silicon iron alloys, optionally loaded with molybdenum, Cu 2 MnAl, MnBi, or a mixture thereof, this list not being limiting.
  • the composition comprises fibers containing magnetic particles
  • the latter may be present for example at least on the surface of the fiber, or even on the surface of the fibers only, inside the fiber alone or else be dispersed within the fiber substantially homogeneously.
  • the fibers may comprise for example a non-magnetic core with a plurality of magnetic particles on its surface.
  • the fibers may further comprise a synthetic matrix containing a plurality of magnetic grains dispersed therein.
  • a synthetic material filled with magnetic particles may itself be coated with a non-magnetic bark.
  • Such bark constitutes for example an insulating barrier or the magnetic materials of the ambient medium and / or can bring color.
  • the fibers may comprise a monolithic magnetic core and be coated with a non-magnetic bark, or it may be the opposite.
  • the composition may comprise fibers made by extrusion or co-extrusion of one or more polymeric materials, in particular thermoplastics and / or elastomers.
  • One of the extruded materials may contain a charge of dispersed magnetic particles.
  • the fibers may comprise a synthetic material chosen from polyamides, PET, acetates, polyolefins, in particular PE or PP, PVC, polyester amide block, plasticized Rilsan ® , elastomers, in particular polyester elastomers, PE elastomers, silicone elastomers, elastomers of nitrile or a mixture of these materials, this list not being limiting.
  • the composition may contain composite fibers comprising a magnetic core at least partially coated with at least one non-magnetic, synthetic or natural material.
  • the coating of the magnetic core can be done for example by coextrusion, around the heart, of a bark in a non-magnetic material.
  • the coating of the core can still be carried out differently, for example by in situ polymerization .
  • the core may be monolithic or have a charge of magnetic grains dispersed in a matrix.
  • the composition may also contain composite fibers obtained by coating with a synthetic material, loaded with magnetic particles, a non-magnetic, synthetic or natural core, the core being composed for example of a wood fiber, rayon, polyamide, a plant material, polyolefin, especially polyethylene, nylon ® , polyimide-amide, aramid, this list is not limiting.
  • composition may further comprise magnetic composite particles, in particular a magnetic latex.
  • a magnetic composite particle is a composite material consisting of an organic or inorganic matrix and magnetic grains.
  • Composite particles magnetic devices may thus comprise on their surface and / or within them grains of a magnetic material.
  • the composite particles may consist of a magnetic core coated with an organic or mineral matrix, or vice versa.
  • the magnetic composite particles comprise for example one of the aforementioned magnetic materials.
  • the size of the magnetic composite particles is for example between 1 nm and 1 mm, better between 100 nm and 500 ⁇ m, better still between 500 nm and 100 ⁇ m.
  • dimension is meant the dimension given by the statistical size distribution at half of the population, called D50.
  • the company KISKER markets composite magnetic particles with a mineral matrix, composed of silica.
  • the companies DYNAL, SERADYN, ESTAPOR and ADEMTECH propose composite magnetic particles with an organic matrix that can also be used in the invention.
  • the company ESTAPOR markets under the reference M1-070 / 60 magnetic latexes consisting of ferrite grains evenly distributed in a polystyrene matrix, this latex comprising 65% of iron oxide, the average diameter of the polystyrene particles being 890 nm and the solids content by weight of 10%.
  • the composition may comprise a ferrofluid, that is to say a stable colloidal suspension of magnetic particles, especially magnetic nanoparticles.
  • the particles are dispersed in a solvent (water, oil, organic solvent), either with the aid of a surfactant or a dispersing agent, or by electrostatic interactions.
  • a solvent water, oil, organic solvent
  • Ferrofluids are for example prepared by grinding ferrites or other magnetic particles until nanoparticles are obtained which are then dispersed. in a fluid containing a surfactant, which adsorbs on the particles and stabilizes them, or by precipitation in a basic medium of a solution of metal ions.
  • Each particle of the ferrofluid has a magnetic moment determined by the size of the particle and the nature of the magnetic material.
  • ferrofluid also includes an emulsion of ferrofluid droplets in a solvent. Each drop then contains colloidal magnetic particles in stable suspension. This makes it possible to have a ferrofluid in any type of solvent.
  • the size of the magnetic particles suspended in the ferrofluid is for example between 1 nm and 10 ⁇ m, better between 1 nm and 1 ⁇ m, better still between 1 nm and 100 nm.
  • dimension is meant the dimension given by the statistical size distribution at half of the population, called D50.
  • composition may further comprise chains of particles and / or magnetic fibers.
  • the composition can thus comprise agglomerates of particles or fibers whose largest dimension, for example the length, is for example between 1 nm and 10 mm, for example between 10 nm and 5 mm, or between 100 nm and 1 mm, or between 0.5 ⁇ m and 3.5 mm, for example between 1 ⁇ m and 150 ⁇ m.
  • Dimension refers to that given by the statistical size distribution at half of the population, called D50.
  • Strings of magnetic particles can be obtained for example by assembling colloidal magnetic particles, as described in the publications Permanently linked monodisperse paramagnetic chains, EM Furst, C. Suzuki, M. Fermigier, AP Gast, Langmuir, 14, 7334-7336 (1998) , "Suspensions of magnetic particles", M. Fermigier, Y. Grasselli, Bulletin of the SFP (105) July 96 , and "Flexible magnetic filaments and micromechanical sensors", C. Goubault, P. Jop, M. Fermigier, J. Baudry, Bertrand E., J. Bibette, Phys. Rev. Lett., 91, 26, 260802-1 to 260802-4 (2003). ), the contents of which are incorporated by reference.
  • the dimensions of the magnetic chains can meet the same conditions as the magnetic fibers.
  • the composition comprises a physiologically acceptable medium.
  • physiologically acceptable medium means a non-toxic medium that can be applied to the skin, integuments or lips of human beings.
  • physiologically acceptable medium is generally adapted to the nature of the support on which the composition is to be applied and to the form in which the composition is packaged.
  • composition may comprise other ingredients than those described above, in particular at least one solvent, a fatty phase, a film-forming polymer and / or a dermatological or cosmetic active agent, in particular depending on the dosage form.
  • the composition may advantageously comprise a volatile solvent, in particular a volatile organic solvent.
  • a volatile solvent in particular a volatile organic solvent.
  • the orientation of the magnetic bodies can be modified and / or these moved before the evaporation of the solvent.
  • FIG. 1 shows a packaging and application unit 1 comprising a bottle 2 containing a cosmetic composition and an applicator 3 making it possible to apply the same.
  • the cosmetic composition is a nail polish comprising magnetic bodies, of the following formulation: nitrocellulose 11 N-ethyl o, p-toluenesulfonamide 5 Alkyd resin 10 isopropanol 4 Magnetic pigments * 0.5 Butyl acetate / ethyl acetate 50/50 Qs 100 * Nacres containing at least 14% of reference Fe 3 O 4 COLORONA PATINA GOLD (117288) sold by MERCK.
  • the appearance of such a nail polish can be modified by applying a magnetic field before the polish has had time to dry.
  • the applicator 3 comprises a gripping member 4 which also constitutes the closure member of the bottle 2 and a brush 5 for applying the composition to the nail.
  • the assembly 1 comprises a magnetic device which comprises a permanent magnet 7 integrated in the gripping member 4.
  • the magnet 7 is received in a housing of the gripping member and remains visible from the upper face 8 of the applicator.
  • the latter may have a slightly concave shape towards the outside, in order to take into account the curvature of the nail.
  • the magnetic properties of the magnet 7 can be chosen according to the pattern to be achieved on the nail, the concentration of magnetic bodies and their sensitivity.
  • the magnet 7 makes it possible, for example, to generate a field of at least 500 Gauss, better still at least 2,000, or even 10,000 or 15,000 Gauss, for example between 500 and 15,000 Gauss.
  • the assembly may also comprise at least one piece of information representative of a decoration that can be made on a deposit of the composition, thanks to the magnetic device 7.
  • the information is on a record 11 which is for example contained in the same package as the bottle 2, this package being for example a cardboard box or a blister and not shown.
  • the information may appear on a label stuck on the bottle or the applicator 3.
  • the information 11 may comprise the representation of a decoration that can be obtained on the composition with the magnetic device.
  • This representation is for example printed, but it can also be done differently, in particular by exposing to a magnetic field a layer of the cosmetic composition, deposited for example on the top or the side of the applicator or on the bottle, in the form of a lacquering.
  • thermoplastic material which is loaded with magnetic bodies and to expose them to a magnetic field, so as to obtain a result similar to that which the magnetic device 7 has on the composition contained in FIG. inside the bottle.
  • Set 1 can be used as follows.
  • the user first applies the composition to the nail, as shown in FIG. 2, and before it dries, returns the applicator 3 to expose the composition to the magnetic field generated by the magnet 7, as illustrated. in Figure 3.
  • the composition is for example exposed to a static magnetic field, by not moving the magnet 7 relative to the nail until the magnetic bodies are frozen, or dynamic, by moving the magnet 7 relative to the nail .
  • a rotating magnetic field can create the illusion of a raised sphere.
  • FIG. 11 illustrates the possibility for the applicator 3 of FIG. 1 to include at least one extension 70 that can rest against a bearing surface, for example example the top of a table, to maintain the magnet 7 at a distance from the nail.
  • the applicator has two lugs 70 defining between them a housing 71 that can accommodate the nail.
  • FIGS. 4 and 5 show a housing 20 whose cover 21 includes information 22 representative of a decoration that can be achieved by means of a magnetic device 23 present in the housing.
  • the information 22 is for example a printing or a decor made in a lacquer or in the thermoplastic material of the housing, as previously described.
  • the housing 20 comprises for example a lacquering of a varnish containing magnetic bodies and which has been exposed before drying to a magnetic field as generated by the magnetic device 23.
  • the housing 20 may contain several magnetic devices 23 for making different decorations and at least one composition to be applied to the skin, superficial body growths or mucous membranes.
  • FIGS. 6 to 8 show a device 30 making it possible to produce a decoration on the nail, by exposing a deposit of a composition comprising magnetic bodies to a magnetic field.
  • the device 30 comprises a support 31 and a permanent magnet 32 which is for example fixedly mounted on the support 31 but which could, in a variant not shown, be mounted so as to be able to move relative to the support 31, for example by being driven in rotation.
  • the support 31 is for example made by molding thermoplastic material and has a first stop 33 against which the distal end of the nail can come into abutment, as shown in FIG.
  • the first stop 33 has a return 34 which can serve to support the inner face of the nail, which is thus positioned both horizontally and vertically relative to the support 31 in FIG.
  • the support 31 comprises, on the opposite side to the first stop 33, a second stop 36 which can bear on the upper face of the finger, so as to maintain the face 38 of the permanent magnet, turned towards the nail, to a predefined distance from the nail, this distance being for example between 0.5 and 1.5 mm.
  • the second stop 36 advantageously has, as well as the return 34 of the first stop 33, a slightly curved shape, adapted to the curvature of the finger, as can be seen in FIG.
  • the user can first position the nail on the first stop 33 while the support 31 makes a relatively large angle with the nail, as shown in Figure 9, so that the composition which has been deposited on the nail is not strongly exposed to the magnetic field.
  • the user can rotate the support relative to the nail around a hinge axis which substantially corresponds to the fulcrum of the nail against the first stop 33 until the second stop 36 comes touch of the finger.
  • the user can hold the support 31 in the position of Figure 7 the time required for drying the composition.
  • the magnetic bodies are fixed in the orientation that the magnet has given them.
  • the abutment 36 comprises in this example a screw engaged in the support 31.
  • FIG. 10 shows a packaging and application unit 40 comprising a bottle 42, an applicator 43 and a magnetic device 44.
  • the bottle 42 contains a cosmetic composition comprising magnetic bodies.
  • the applicator 43 is for example conventional and comprises an applicator element 60 such as a brush, mounted at the end of a rod 45 connected to a gripping member 46 which also constitutes a closure member of the bottle 42 .
  • the magnetic device 44 comprises a support 47 provided with an opening 48 making it possible to engage it on the neck 49 of the bottle 42.
  • the support 47 has a lateral extension 50 which can be positioned on the side of the bottle 42 and in the thickness thereof when the neck is engaged in the opening 48 and the support 47 held against the bottle 42 by the body closing 43.
  • the lateral extension 50 of the support advantageously comprises a first abutment 51 similar to the first abutment 33 of the embodiment previously described, making it possible to position the nail relative to the support 47, and a permanent magnet 52 positioned relative to the first stop 51 so as to be able to come a short distance from the composition to be exposed to the magnetic field.
  • the support 47 can be left in place on the bottle 42 for use.
  • the pivoting of the nail relative to the support 47 can be carried out until the finger comes into contact with a second stop 54 formed by the outer surface of the support 47.
  • Figure 12 shows a magnetic device in which a magnet 75 is mounted on a support 76 with a possibility of height adjustment.
  • the magnet 75 is for example integral with a screw 77 to change the distance to the nail. The user can thus adjust the distance depending for example on the size of the finger or the nature of the composition deposited on the nail.
  • tabs 79 are provided to define a housing 80 for the finger.
  • the magnet may be a monolithic magnet or, as illustrated in FIG. 14, comprise magnetic particles 81 dispersed in a matrix, for example ferrites.
  • These particles are for example incorporated into the material of the support and oriented under the action of a magnetic field while the material of the support is still fluid, so that the effects of the individual fields of the particles can accumulate.
  • the support material is for example a thermoplastic material, the magnetic particles being oriented during molding before the thermoplastic material freezes.
  • FIG. 15 represents an alternative embodiment in which the magnetic device comprises a nonmagnetic support 85, for example made of thermoplastic material or aluminum, provided with a housing 86 for receiving the end of the finger.
  • a nonmagnetic support 85 for example made of thermoplastic material or aluminum
  • a magnet 87 is mounted in a housing 88 of the support so as to exert a field on the magnetic composition deposited on the nail.
  • the support has for example externally a parallelepipedal general shape.
  • the application conditioning device shown in FIG. 16 comprises a support 90 which is arranged to be fixed on the neck of a bottle 2, like the support 47 of the example of FIG.
  • the bottle 2 has a body having a polygonal cross section, in this case square or rectangular, with substantially flat major faces.
  • the support 90 comprises a frontal upright 105 which bears on one of these main faces. This frontal amount 105 is extended superiorly by an upper wall 106 provided with an opening through which the neck of the bottle 2.
  • the support 90 comprises a housing housing a permanent magnet 92, which has a generally parallelepipedal shape, with vertical sides.
  • the housing of the support 90 has two opposite ribs 107 and 108 each provided with a return to the inside.
  • the ribs 107 and 108 may be arranged to form a slideway for engaging the magnet 92 in the housing by a sliding movement, for example from the bottom and the back of the support.
  • the support 90 comprises below, under the magnet, a lug 96 which defines a first stop for the positioning of the nail relative to the magnet 92.
  • This lug 96 may comprise, as illustrated, a return 91 upwards, allowing support of the inner face of the nail.
  • This return 91 advantageously has a surface 110 directed towards the housing which is convex towards it.
  • the upper face 111 of the lug 96 may have a concave recess upwards, in order to substantially match the shape of the edge of the nail.
  • the magnet 92 can be fixed on the support in various ways, for example by snap-fastening thanks to suitable reliefs of the support and / or by gluing.
  • the support 90 can be easily removed from the receptacle 2 after removal of the applicator 3.
  • the lower edge 112 may be at the bottom of the bottle 2, or slightly above.
  • the support 90 of the example of FIG. 17 differs from that represented in FIG. 16 by the additional presence of a return 115 extending downwardly the upper wall 106 and bearing on the main face of the bottle 2 opposite to that on which the frontal amount 105 bears. This makes it possible to immobilize the support 90 more securely in rotation relative to the bottle 2.
  • the return 115 to the rear has, in the example considered, a height between one-tenth and one-third of the height of the main faces of the bottle 2, but in a variant not shown, the return 115 could extend for example to the bottom of the bottle 2.
  • the support 90 comprises two lateral wings 120 and 121 which are connected to the front wall 105 and each extend over substantially the entire height of the body of the bottle 2.
  • the magnet 92 is for example retained in the same manner on the support as in the example of Figure 16, the pin 96 having for example an identical shape.
  • the support 90 has a general jumper shape in FIG. 18 and is for example detained by snapping onto the bottle 2. In a variant, it can be retained by gluing or otherwise, depending for example on the material constituting the bottle 2 .
  • FIG. 18 differs from the example of FIG. 16 in that the frontal upright 105 is extended inferiorly by a lower wall 122 which extends under the bottle 2 and which constitutes the base of the device.
  • the lug 96 is not limited to a particular shape and by way of example that shown in Figure 20 has a front edge 125 which is rounded, convex outwardly.
  • the magnet 92 is for example fixed on the support 90 by being introduced from the front and from above, being for example maintained by clamping between the ribs 107 and 108.
  • the magnet 92 is for example simply glued on the frontal amount 105 and the ribs 107 and 108 for example to facilitate its positioning before bonding.
  • the support 90 may comprise one or more reliefs facilitating bonding, for example by forming glue traps.
  • the lug has a front edge which has a concave recess forward, which can allow the positioning of the finger or the fingernail.
  • the magnet 92 is for example glued on the support as in Figure 21, but may alternatively be fixed otherwise, for example by snapping or snapping and gluing.
  • the magnet 92 is oriented on the support so as to have a diamond-shaped front face with a point 130 downwards.
  • the magnet 92 rests on two sides 131 and 132 on the top of the ribs 108 and 107, being for example glued on the support 90.
  • the lug 96 has in the example of Figure 22 a recess 93 concave forward, to position the finger or the fingernail.
  • the user can in particular position the cuticle adjacent to the lunula in the recess 93 in order to obtain, thanks to the gradient of the magnetic field lines created by the magnet, a makeup of the "French manicure” type, with a gradient on the nail.
  • the nail may be advantageous to subject the nail to the magnetic field generated by a portion of a magnet having a width which varies as one moves along a median plane M of the nail, such as illustrated in Figure 35, the magnet can be superimposed or not at least partially to the nail.
  • the magnet may for example have a wedge shape with sides that converge towards the lunula, the polar faces of the magnet being for example oriented substantially perpendicular to the median plane M of the nail.
  • the magnet 92 also has an upwardly directed tip and the support 90 has a recess 140 in the upper portion of the front post 105, to position the finger or the fingernail.
  • the magnet 92 may be in the upper part of the support 90 because this may allow, compared to the example of FIG. 23, to avoid having to lift the bottle to position the nail or the finger on the support.
  • the magnet 92 can be fixed in a housing delimited by an excess thickness of the frontal upright 105, the magnet 92 coming for example to bear by its upper sides 141 and 142 against a recess of the frontal upright 105.
  • FIGS. 25, 26, 27 and 28 differ from that of FIG. 24 in the appearance of the frontal upright 105.
  • a slight concavity 150 is formed between two thicker sidebands 151, which may facilitate visual identification for the user of where to put the fingernail.
  • the strips 151 have beveled ends which are in line with the sides 141 and 142 of the magnet 92.
  • the strips 151 extend over substantially the entire height of the support 90.
  • the frontal upright 105 has a central rib 160 at the top and the magnet 92 comes from its sides 141 and 142 resting against a fork formed at the lower end of the rib 160. last has a recess 95 in the upper part, slightly concave forward and which allows to position the nail.
  • the lateral wings 120 and 121 may have at their end a return towards the other wing to allow the maintenance of the support 90 on the bottle.
  • the supports shown in FIGS. 31 to 34 comprise such a return, in the form of a rim 98 parallel to the front upright.
  • the return is in the form of a chamfered rib.
  • the wings may comprise, as illustrated in Figure 32, at least one relief such as a boss 99, allowing a snap of the support on the bottle 2 at the end of a sliding movement along the longitudinal axis of the bottle 2.
  • the lug 96 when present, may extend over the entire width of the frontal upright 105 as illustrated in FIG. 31. In this figure, it is possible to discern returns 165, formed at the front end of the ribs 107 and 108, for the maintenance of the magnet 92, not shown in this figure. It is also possible to discern reliefs 70 such as bosses, made on the opposite faces of the ribs, for example to frictionally retain the magnet in the corresponding housing 97 of the support.
  • the ribs may comprise recessed reliefs to form glue traps.
  • the magnet is for example placed in the housing 97 formed between the ribs 107 and 108, being introduced from the front and over.
  • the housing 97 opens out lower on the support and the magnet can be introduced through the corresponding opening 182.
  • the lug 96 has a front edge that is substantially flat and parallel to the front upright 105.
  • the lug 96 has a width less than the distance between the ribs 107 and 108.
  • the upper edge of the support can be chamfered, in particular on the side of the inner face of the frontal amount 105 or in the upper corner of the wings 120 and 121, to facilitate the introduction of the bottle, improve the aesthetics and reduce the vulnerability to shock support.
  • the support 90 may comprise, in any of the examples of FIGS. 16 to 34, information representative of a pattern that can be produced, for example in the form of a decoration made with the composition or reproduced on a label stuck on the support or by an impression of the support.
  • the support 90 may have a different shape, adapted for example to a bottle 2 whose body is cylindrical or frustoconical.
  • the support 90 can be made, if necessary, with a hinge and a movable portion pivotable between a configuration for placing the support on the bottle and a holding position of the bottle on the support.
  • the support can be provided with several magnets, the latter having, for example, different magnetic properties in order to create different decorations.
  • the support can be made with an adjustable part to adapt it to several sizes of bottles and / or several sizes of fingers or nails and / or several types of decorations to achieve.
  • the device comprises an applicator 3 having a rod provided at one end with an applicator element such as a brush and at another end of a gripping member which is also the closure cap of the bottle 2.
  • the bottle has no applicator 3, the application of the product being effected for example other than by means of a brush introduced into the container, for example directly using a dispensing orifice of the bottle.
  • Permanent magnets can be replaced by at least one electromagnet.

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  • Cosmetics (AREA)
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  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Burglar Alarm Systems (AREA)
  • Coating Apparatus (AREA)

Abstract

The assembly has a container (2) containing a cosmetic composition to be applied, where the composition includes a magnetic body. A magnetic device (7) has a permanent magnet integrated to a prehension unit of an applicator (3) and permits to realize a decoration on a composition layer applied on a keratin material e.g. nail, by exposing the composition to a magnetic field. The device has a support in which the magnet is positioned and permits to realize an information (11) representative of the decoration, where the information is situated on the container, the device and an applicator. Independent claims are also included for the following: (1) a magnetic device permitting to realize a decoration on a finger nail (2) a method for forming a decoration on a finger nail (3) a method for fabricating a magnetic device.

Description

La présente invention concerne les ensembles de conditionnement et d'application d'une composition cosmétique et plus particulièrement ceux destinés à l'application d'une composition comportant des corps présentant une susceptibilité magnétique non nulle.The present invention relates to packaging and application sets of a cosmetic composition and more particularly those intended for the application of a composition comprising bodies having non-zero magnetic susceptibility.

Selon l'un de ses aspects, parmi d'autres, l'invention a pour objet un ensemble de conditionnement et d'application comportant :

  • un contenant renfermant une composition à appliquer, cette composition comportant des corps magnétiques, c'est-à-dire présentant une susceptibilité magnétique non nulle,
  • un dispositif magnétique permettant de réaliser un décor sur au moins une couche de composition appliquée sur des matières kératiniques, par exemple la peau, les muqueuses ou les phanères, et
  • au moins une information représentative d'un décor pouvant être réalisé sur la composition grâce au dispositif magnétique. Cette information peut être une représentation dudit décor.
According to one of its aspects, among others, the subject of the invention is a packaging and application assembly comprising:
  • a container containing a composition to be applied, this composition comprising magnetic bodies, that is to say having a non-zero magnetic susceptibility,
  • a magnetic device for performing a decoration on at least one layer of composition applied to keratin materials, for example the skin, the mucous membranes or integuments, and
  • at least one piece of information representative of a decoration that can be made on the composition thanks to the magnetic device. This information can be a representation of said decor.

L'invention permet à l'utilisateur de créer de nouveaux effets de maquillage, en modifiant l'orientation des corps magnétiques et/ou en les déplaçant.The invention allows the user to create new makeup effects by changing the orientation of the magnetic bodies and / or moving them.

L'information peut être située sur le contenant et/ou sur le dispositif magnétique.The information may be located on the container and / or on the magnetic device.

L'ensemble peut comporter un applicateur et l'information peut être située sur l'applicateur, notamment sur un organe de préhension.The assembly may comprise an applicator and the information may be located on the applicator, in particular on a gripping member.

Dans un exemple de mise en oeuvre de l'invention, l'information comporte un décor formé au moins partiellement par l'orientation de corps magnétiques sous l'effet d'un champ magnétique. L'ensemble comporte par exemple un dépôt de composition sous forme d'un laquage ayant été exposé à un champ magnétique. En variante, l'ensemble comporte une matière thermoplastique incluant des corps magnétiques dont l'orientation a été modifiée par exposition à un champ magnétique, de façon à créer le décor.In an exemplary implementation of the invention, the information comprises a decoration formed at least partially by the orientation of magnetic bodies under the effect of a magnetic field. The assembly comprises for example a composition deposition in the form of a lacquer having been exposed to a magnetic field. Alternatively, the assembly comprises a thermoplastic material including magnetic bodies whose orientation has been modified by exposure to a magnetic field, so as to create the decor.

L'information peut encore être formée au moins partiellement par une impression.The information can be further formed at least partially by printing.

Le contenant peut comporter un boîtier ou un flacon, l'information étant par exemple située sur un organe de fermeture du contenant.The container may comprise a housing or a bottle, the information being for example located on a closure member of the container.

L'information peut encore être contenue dans un emballage du contenant et/ou de l'applicateur, étant par exemple imprimée sur une notice figurant dans cet emballage.The information may still be contained in a package of the container and / or the applicator, being for example printed on a note in this package.

La composition peut être un vernis à ongles ou tout autre produit à appliquer sur la peau, les phanères ou les muqueuses.The composition may be a nail polish or any other product to be applied to the skin, superficial body growths or mucous membranes.

L'applicateur peut comporter un organe d'application relié à un organe de fermeture du récipient, et le dispositif magnétique peut être incorporé à l'organe de fermeture. Le dispositif magnétique comporte par exemple un aimant permanent fixé dans un logement correspondant de l'organe de fermeture, l'aimant étant par exemple collé dans ce logement. Le dispositif magnétique peut encore comporter des particules aimantées orientées, présentes par exemple au sein d'une matière thermoplastique ou d'une résine.The applicator may include an applicator member connected to a closure member of the container, and the magnetic device may be incorporated in the closure member. The magnetic device comprises for example a permanent magnet fixed in a corresponding housing of the closure member, the magnet being for example glued in this housing. The magnetic device may also comprise oriented magnetic particles present, for example, in a thermoplastic material or a resin.

Le dispositif magnétique peut comporter un électroaimant.The magnetic device may include an electromagnet.

L'aimant ou électroaimant présente par exemple une face apparente située sur le dessus de l'organe de fermeture.The magnet or electromagnet has for example an apparent face located on the top of the closure member.

Un tel ensemble s'avère pratique à utiliser, et notamment permet à l'utilisateur d'exposer rapidement un dépôt de composition à un champ magnétique avant le séchage complet de la composition.Such a set is practical to use, and in particular allows the user to rapidly expose a composition deposit to a magnetic field before complete drying of the composition.

Le dispositif magnétique peut comporter au moins une surface destinée à reposer contre un appui fixe afin de maintenir l'aimant ou électroaimant à une distance prédéfinie de la région sur laquelle la composition est appliquée. Le dispositif magnétique comporte par exemple deux pattes pouvant reposer contre une surface plane horizontale lors de l'utilisation et permettant à l'utilisateur de glisser son doigt entre elles pour l'exposition au champ magnétique.The magnetic device may comprise at least one surface intended to rest against a fixed support in order to maintain the magnet or electromagnet at a predefined distance from the region on which the composition is applied. The magnetic device comprises for example two tabs that can rest against a horizontal flat surface during use and allowing the user to slide his finger between them for exposure to the magnetic field.

Le dispositif magnétique peut comporter des moyens de réglage permettant à l'utilisateur de régler par exemple la distance ou l'orientation de l'aimant ou électroaimant relativement à la région revêtue de la composition magnétique.The magnetic device may comprise adjustment means allowing the user to adjust for example the distance or the orientation of the magnet or electromagnet relative to the coated region of the magnetic composition.

Le dispositif magnétique peut comporter un logement permettant d'introduire l'extrémité du doigt.The magnetic device may include a housing for introducing the end of the finger.

Selon un autre de ses aspects, indépendamment ou en combinaison avec ce qui précède, l'invention a encore pour objet un dispositif de conditionnement et d'application comportant :

  • un flacon contenant une composition à appliquer sur les ongles,
  • un support fixé sur le flacon, ce support portant un aimant et présentant une surface d'appui pour le doigt et/ou l'ongle, notamment un renfoncement ou une butée, permettant de former un décor sur l'ongle en exposant une couche de la composition déposée sur l'ongle au champ magnétique de l'aimant,
  • un applicateur éventuel, agencé pour se fixer sur le flacon, le support n'étant pas solidaire de l'applicateur lors de l'utilisation.
According to another of its aspects, independently or in combination with the foregoing, another subject of the invention is a packaging and application device comprising:
  • a bottle containing a composition to be applied to the nails,
  • a support fixed on the bottle, this support carrying a magnet and having a bearing surface for the finger and / or the nail, in particular a recess or a stop, making it possible to form a decoration on the nail by exposing a layer of the composition deposited on the nail at the magnetic field of the magnet,
  • an optional applicator, arranged to attach to the bottle, the support not being secured to the applicator during use.

L'invention a encore pour objet, un dispositif magnétique permettant de réaliser un décor sur un ongle sur lequel un dépôt d'une composition comportant des corps magnétiques a été effectué, ce dispositif comportant :

  • un support comportant au moins une première butée et/ou un renfoncement contre lequel ou laquelle l'ongle et/ou le doigt peut venir en appui, ce support étant agencé pour se fixer sur un flacon contenant la composition,
  • au moins un aimant permanent ou électroaimant positionné sur le support relativement à la première butée et/ou au renfoncement de manière à exposer le dépôt de composition formé sur l'ongle à un champ magnétique lorsque l'ongle et/ou le doigt est en appui contre la butée et/ou le renfoncement.
The invention further relates to a magnetic device for producing a decoration on a nail on which a deposit of a composition comprising magnetic bodies has been performed, this device comprising:
  • a support comprising at least a first abutment and / or a recess against which the nail and / or the finger can abut, this support being arranged to attach to a vial containing the composition,
  • at least one permanent magnet or electromagnet positioned on the support relative to the first abutment and / or recess so as to expose the composition deposit formed on the nail to a magnetic field when the nail and / or the finger is in abutment against the stop and / or the recess.

L'invention a encore pour objet, un ensemble comportant un flacon contenant une composition à appliquer sur les ongles et un dispositif tel que défini plus haut, fixé sur ce flacon.The invention also relates to an assembly comprising a bottle containing a composition to be applied to the nails and a device as defined above, fixed on this bottle.

Le support peut comporter un ergot définissant une première butée pour l'ongle.The support may comprise a lug defining a first stop for the nail.

Le flacon peut présenter un corps ayant une section transversale généralement carrée ou rectangulaire. Le corps du flacon peut être en verre ou en un autre matériau, notamment une matière thermoplastique.The bottle may have a body having a generally square or rectangular cross-section. The body of the bottle may be of glass or of another material, in particular a thermoplastic material.

Le support peut comporter, par exemple, deux ailes réunies par un montant frontal, le flacon étant engagé entre ces ailes, la surface d'appui précitée pouvant être définie par le montant frontal.The support may comprise, for example, two wings joined by a front upright, the bottle being engaged between these wings, the abovementioned bearing surface may be defined by the front upright.

L'une au moins des ailes peut comporter un retour arrière, de retenue du flacon entre les ailes.At least one of the wings may include a back, retaining the bottle between the wings.

L'une au moins des ailes peut comporter un relief permettant d'immobiliser par encliquetage le flacon, par exemple après introduction de celui-ci par un mouvement de coulissement entre les ailes.At least one of the wings may comprise a relief for immobilizing snap the bottle, for example after introduction thereof by a sliding movement between the wings.

Dans un exemple de réalisation, le support comporte une ouverture permettant sa mise en place sur un col du flacon. Cette ouverture peut être réalisée dans une paroi supérieure se raccordant à l'avant à un montant frontal du support. Cette paroi supérieure peut se raccorder à l'arrière à un retour dirigé vers le bas, agencé pour s'appliquer sur une face arrière du flacon.In an exemplary embodiment, the support has an opening for placing it on a neck of the bottle. This opening may be made in an upper wall connecting at the front to a front upright of the support. This upper wall can be connected at the rear to a return directed downwards, arranged to be applied on a rear face of the bottle.

Le support peut comporter un montant frontal se raccordant inférieurement à une paroi inférieure agencée pour se positionner sous le flacon.The support may comprise a front upright connecting lower to a lower wall arranged to be positioned under the bottle.

Dans une variante de réalisation, le support comporte une paroi inférieure agencée pour se fixer sur le fond du flacon, par exemple par collage.In an alternative embodiment, the support has a bottom wall arranged to attach to the bottom of the bottle, for example by gluing.

Indépendamment de sa forme et de la manière dont il est fixé sur le flacon, le support peut comporter un logement et l'aimant peut être engagé au moins partiellement dans ce logement, étant par exemple fixé dans celui-ci par encliquetage et/ou collage.Regardless of its shape and the way it is fixed on the bottle, the support may comprise a housing and the magnet may be engaged at least partially in this housing, being for example fixed in it by snapping and / or gluing. .

Dans un exemple de mise en oeuvre de l'invention, le logement comporte deux nervures opposées, de retenue de l'aimant.In an exemplary implementation of the invention, the housing comprises two opposite ribs for retaining the magnet.

L'aimant est par exemple engagé dans le logement par un mouvement de coulissement entre ces nervures.The magnet is for example engaged in the housing by a sliding movement between these ribs.

Le logement peut être agencé pour permettre une fixation par encliquetage de l'aimant et l'une au moins des nervures précitées peut comporter par exemple un bossage qui est franchi par l'aimant lors de sa mise en place.The housing may be arranged to allow snap fastening of the magnet and at least one of the aforementioned ribs may comprise for example a boss which is crossed by the magnet during its introduction.

Le logement peut comporter au moins un relief facilitant le collage de l'aimant dans le logement, en accueillant la colle.The housing may comprise at least one relief facilitating the bonding of the magnet in the housing, accommodating the glue.

Le logement peut déboucher inférieurement et/ou entre les ailes éventuelles du support, afin par exemple de permettre une mise en place de l'aimant par-dessous et/ou par l'arrière.The housing may open inferiorly and / or between the possible wings of the support, for example to allow a setting up of the magnet from below and / or from the rear.

Le logement peut être délimité inférieurement par un ergot qui peut définir une butée pour l'ongle.The housing can be delimited below by a lug which can define a stop for the nail.

Cet ergot peut présenter un bord avant arrondi, convexe vers l'avant ou en variante un bord avant concave vers l'avant. Un bord concave peut par exemple permettre d'appliquer contre celui-ci la cuticule de l'ongle à exposer au champ magnétique. L'ergot peut encore comporter un bord avant plat ou ayant une forme autre.This lug may have a rounded front edge convex to the front or alternatively a concave front edge forward. A concave edge may for example allow to apply against it the cuticle of the nail to expose to the magnetic field. The lug may further comprise a flat front edge or having a different shape.

L'aimant peut présenter diverses formes, notamment une forme parallélépipédique.The magnet can have various shapes, including a parallelepiped shape.

L'aimant peut être disposé sur le support avec au moins un côté vertical ou en variante l'aimant peut présenter une face avant ayant une forme de losange, ce qui peut permettre de soumettre la couche de composition à un gradient de champ magnétique facilitant la réalisation d'un maquillage de type « French manucure ».The magnet may be disposed on the support with at least one vertical side or alternatively the magnet may have a front face having a rhomboidal shape, which may make it possible to subject the composition layer to a magnetic field gradient facilitating the performing a make-up of the type "French manicure".

Le support peut comporter un montant frontal présentant supérieurement un renfoncement épousant sensiblement la forme du doigt ou de l'ongle, ce qui peut être utile notamment lorsque l'aimant présente une face avant en forme de losange, pour positionner correctement l'ongle.The support may comprise a front upright having a recess substantially substantially matching the shape of the finger or the fingernail, which may be useful in particular when the magnet has a diamond-shaped front face, to properly position the fingernail.

L'aimant peut venir, notamment lorsqu'il présente une forme de losange, en appui par deux côtés seulement contre un bord du logement.The magnet can come, especially when it has a diamond shape, supported by two sides only against an edge of the housing.

L'aimant peut être situé dans la moitié inférieure du support ou en variante dans sa moitié supérieure ou ailleurs encore.The magnet may be located in the lower half of the support or alternatively in its upper half or elsewhere.

Lorsque l'aimant est situé dans la partie inférieure du support, celui-ci peut s'utiliser par exemple avec l'ongle dirigé vers le bas, le bord de l'ongle prenant par exemple appui contre l'ergot précité, lequel peut être muni d'un retour permettant également un appui de la face intérieure de l'ongle.When the magnet is located in the lower part of the support, it can be used for example with the nail pointing downwards, the edge of the nail taking for example support against the aforementioned pin, which can be provided with a return also allowing a support of the inner face of the nail.

Le support peut comporter un montant frontal présentant supérieurement un renfoncement épousant sensiblement la forme du doigt ou de l'ongle.The support may comprise a front upright having a recess substantially conforming to the shape of the finger or the fingernail.

L'aimant peut venir en appui par deux côtés seulement contre un bord d'un logement correspondant du support.The magnet can bear on two sides only against an edge of a corresponding housing of the support.

Le support peut être fixé de façon amovible sur le flacon, afin de permettre par exemple à l'utilisateur de remplacer le flacon lorsque la composition est épuisée. En variante, le support peut être fixé de façon non amovible sur le flacon.The support can be removably attached to the vial, to allow for example the user to replace the vial when the composition is exhausted. Alternatively, the support can be fixed non-releasably on the bottle.

Selon un autre de ses aspects, indépendamment ou en combinaison avec ce qui précède, l'invention a encore pour objet un dispositif magnétique comportant :

  • un support comportant au moins une première butée contre laquelle l'ongle et/ou le doigt peut venir en appui,
  • au moins un aimant permanent ou électroaimant positionné sur le support relativement à la première butée de manière à pouvoir exposer un dépôt de composition formé sur l'ongle à un champ magnétique lorsque l'ongle et/ou le doigt est en appui contre la butée. L'aimant ou électroaimant est par exemple rapproché du dépôt alors que le doigt et/ou l'ongle est en appui contre la première butée.
According to another of its aspects, independently or in combination with the foregoing, another subject of the invention is a magnetic device comprising:
  • a support comprising at least a first stop against which the nail and / or the finger can come to bear,
  • at least one permanent magnet or electromagnet positioned on the support relative to the first stop so as to expose a composition deposit formed on the nail to a magnetic field when the nail and / or the finger bears against the stop. The magnet or electromagnet is for example close to the deposit while the finger and / or the nail is in abutment against the first stop.

Un tel dispositif permet de réaliser un motif sur l'ongle en réduisant notamment le risque de contact accidentel du vernis avec le dispositif magnétique et facilite la reproductibilité de la réalisation d'un décor sur l'ongle.Such a device makes it possible to produce a pattern on the nail, in particular by reducing the risk of accidental contact of the varnish with the magnetic device and facilitates the reproducibility of producing a decoration on the nail.

La première butée peut être réglable, le cas échéant, de même que la position de l'aimant ou électroaimant relativement au support.The first stop may be adjustable, if necessary, as well as the position of the magnet or electromagnet relative to the support.

La première butée peut comporter un retour permettant un appui de la face intérieure de l'ongle. Ce retour peut permettre à l'utilisateur de faire pivoter plus facilement le support relativement à l'ongle.The first stop may include a return allowing a support of the inner face of the nail. This return can allow the user to rotate more easily the support relative to the nail.

Le support comporte avantageusement une deuxième butée agencée pour venir en appui sur le dessus du doigt lorsque l'ongle est introduit dans le champ magnétique de l'aimant. Cette deuxième butée peut être réglable.The support advantageously comprises a second stop arranged to bear on the top of the finger when the nail is introduced into the magnetic field of the magnet. This second stop can be adjustable.

Les première et deuxième butées présentent avantageusement des formes incurvées, adaptées à la courbure de l'ongle et/ou du doigt.The first and second stops advantageously have curved shapes adapted to the curvature of the nail and / or the finger.

Le support peut être agencé pour se fixer sur un flacon en l'absence d'utilisation.The support can be arranged to attach to a vial in the absence of use.

Le support comporte par exemple une ouverture à engager sur le col du flacon.The support comprises for example an opening to engage on the neck of the bottle.

L'invention a encore pour objet, selon un autre de ses aspects, un procédé de formation d'un décor sur l'ongle, comportant les étapes suivantes :

  • déposer sur l'ongle une couche d'une composition contenant des corps magnétiques,
  • soumettre le dépôt à un champ magnétique au moyen d'un dispositif magnétique amené par un mouvement prédéfini dans le voisinage du dépôt, notamment un mouvement de pivotement.
Another subject of the invention, according to another of its aspects, is a method of forming a decoration on the nail, comprising the following steps:
  • deposit on the nail a layer of a composition containing magnetic bodies,
  • subjecting the deposit to a magnetic field by means of a magnetic device brought by a predefined movement in the vicinity of the deposit, in particular a pivoting movement.

Le pivotement peut notamment s'effectuer autour d'un appui de l'ongle et/ou du doigt contre un support du dispositif magnétique. Ce dernier est avantageusement tel que défini ci-dessus, comportant au moins une première butée pour l'ongle et/ou le doigt.The pivoting can in particular be carried out around a support of the nail and / or finger against a support of the magnetic device. The latter is advantageously as defined above, comprising at least one first stop for the nail and / or the finger.

L'invention a encore pour objet, selon un autre de ses aspects, indépendamment ou en combinaison avec ce qui précède, un procédé de maquillage de l'ongle comportant les étapes suivantes :

  • déposer sur l'ongle une couche d'une composition cosmétique contenant des corps magnétiques,
  • soumettre le dépôt à un champ magnétique présentant un gradient de champ magnétique, de telle manière à créer une modification de l'aspect de la composition avec une variation progressive de l'aspect vers le bord libre de l'ongle.
The invention further relates, in another of its aspects, independently or in combination with the foregoing, a method of making up the nail comprising the following steps:
  • depositing on the nail a layer of a cosmetic composition containing magnetic bodies,
  • subjecting the deposit to a magnetic field having a magnetic field gradient, so as to create a change in the appearance of the composition with a gradual change in appearance towards the free edge of the nail.

Un tel procédé peut notamment permettre de réaliser un maquillage de type « French manucure ».Such a method may in particular make it possible to produce a make-up of the "French manicure" type.

Le champ magnétique peut être exercé par exemple au moyen d'un aimant ayant une portion en forme de coin, convergeant dans une direction sensiblement parallèle à un plan médian de l'ongle. Un aimant ayant une forme de losange lorsque le flacon est vertical peut par exemple être utilisé, l'ongle étant orienté alors verticalement, par exemple.The magnetic field may be exerted for example by means of a magnet having a wedge-shaped portion converging in a direction substantially parallel to a median plane of the nail. A magnet having a diamond shape when the bottle is vertical can for example be used, the nail being then oriented vertically, for example.

L'invention a encore pour objet un dispositif magnétique permettant de réaliser un décor sur un ongle sur lequel un dépôt d'une composition comportant des corps magnétiques a été effectué, comportant un support et au moins un aimant ou électroaimant porté par le support, ce dernier présentant un logement pour recevoir l'ongle et étant agencé pour maintenir l'aimant ou électroaimant à une distance prédéfinie de l'ongle présent dans le logement.The invention further relates to a magnetic device for producing a decoration on a nail on which a deposit of a composition comprising magnetic bodies has been carried out, comprising a support and at least one magnet or electromagnet carried by the support, this last having a housing for receiving the fingernail and being arranged to maintain the magnet or electromagnet at a predefined distance from the nail present in the housing.

L'invention a encore pour objet, selon un autre de ses aspects, indépendamment ou en combinaison avec ce qui précède, un ensemble de conditionnement et d'application comportant :

  • un récipient contenant une composition cosmétique à appliquer, ce récipient présentant un col,
  • un dispositif magnétique comportant un support pourvu d'une ouverture à engager sur le col et au moins un aimant permanent.
The invention further relates, in another of its aspects, independently or in combination with the foregoing, a packaging and application assembly comprising:
  • a container containing a cosmetic composition to be applied, this container having a neck,
  • a magnetic device comprising a support provided with an opening to engage on the neck and at least one permanent magnet.

Un tel support assure le maintien du dispositif magnétique sur le récipient en l'absence d'utilisation.Such a support ensures the maintenance of the magnetic device on the container in the absence of use.

L'ensemble de conditionnement et d'application peut comporter un organe de fermeture du récipient, agencé pour maintenir le support sur le col lorsqu'il ferme le récipient.The packaging and application assembly may comprise a closure member of the container, arranged to hold the support on the neck when it closes the container.

L'invention a encore pour objet un procédé de fabrication d'un dispositif magnétique, destiné par exemple à la mise en oeuvre du procédé de formation d'un décor précité, comportant un support et des particules magnétiques incorporées au support, dans lequel le support est réalisé dans une matière fluide pouvant se solidifier et dans lequel avant la solidification de la matière du support les particules sont orientées sous l'action d'un champ magnétique. Les particules magnétiques, après orientation, se comportent comme un aimant permanent.The subject of the invention is also a method for manufacturing a magnetic device, intended for example for carrying out the method of forming a aforementioned decoration, comprising a support and magnetic particles incorporated in the support, in which the support is made of a fluid material that can solidify and in which before solidification of the support material the particles are oriented under the action of a magnetic field. The magnetic particles, after orientation, behave like a permanent magnet.

Un tel procédé de fabrication peut faciliter la réalisation d'un dispositif magnétique ayant une géométrie de champ magnétique prédéfinie, convenant au décor à réaliser.Such a manufacturing method may facilitate the production of a magnetic device having a predefined magnetic field geometry, suitable for the decoration to be produced.

Le support peut faire partie d'un applicateur de produit cosmétique.The support may be part of a cosmetic product applicator.

CORPS MAGNETIQUESMAGNETIC BODIES

Par « corps magnétiques », on désigne des corps présentant une susceptibilité magnétique non nulle, c'est-à-dire sensibles à l'action d'un champ magnétique et tendant par exemple à s'aligner sur les lignes de champ. L'expression « corps magnétique » englobe ainsi les corps magnétisables.By "magnetic bodies" are meant bodies having a non-zero magnetic susceptibility, that is to say sensitive to the action of a magnetic field and tending for example to align with the field lines. The term "magnetic body" thus encompasses magnetizable bodies.

De préférence, les corps magnétiques utilisés ne présentent pas d'aimantation rémanente en l'absence de champ magnétique.Preferably, the magnetic bodies used do not exhibit remanent magnetization in the absence of a magnetic field.

Les corps magnétiques peuvent comporter tout matériau magnétique présentant une sensibilité aux lignes d'un champ magnétique, que ce champ soit produit par un aimant permanent ou issu d'une induction, ce matériau étant par exemple choisi parmi le nickel, le cobalt, le fer, leurs alliages et oxydes, notamment Fe3O4, et aussi le gadolinium, le terbium, le dysprosium, l'erbium, leurs alliages et oxydes. Le matériau magnétique peut comporter du fer métal, notamment du fer doux, éventuellement enrobé.The magnetic bodies may comprise any magnetic material having a sensitivity to the lines of a magnetic field, whether this field is produced by a permanent magnet or derived from an induction, this material being for example chosen from nickel, cobalt, iron , their alloys and oxides, especially Fe 3 O 4 , and also gadolinium, terbium, dysprosium, erbium, their alloys and oxides. The magnetic material may comprise metal iron, especially soft iron, possibly coated.

Les corps magnétiques peuvent présenter ou non une structure multicouche, comportant au moins une couche d'un matériau magnétique, tel que par exemple le fer, le nickel, le cobalt, leurs alliages et oxydes, notamment Fe3O4.The magnetic bodies may or may not have a multilayer structure, comprising at least one layer of a magnetic material, such as for example iron, nickel, cobalt, their alloys and oxides, especially Fe 3 O 4 .

Les corps magnétiques sont de préférence asphériques, présentant par exemple une forme allongée. Ainsi, lorsque ces corps sont soumis au champ magnétique, ils tendent à s'orienter avec leur axe longitudinal dans l'alignement des lignes de champ, et subissent un changement d'orientation qui se traduit par un changement d'aspect de la composition.The magnetic bodies are preferably aspherical, having for example an elongate shape. Thus, when these bodies are subjected to the magnetic field, they tend to orient themselves with their longitudinal axis in the alignment of the field lines, and undergo a change of orientation which results in a change of appearance of the composition.

Lorsque les corps magnétiques sont sensiblement sphériques, de préférence leur aspect est inhomogène, de manière à ce qu'un changement d'orientation induise un changement d'aspect.When the magnetic bodies are substantially spherical, preferably their appearance is inhomogeneous, so that a change of orientation induces a change of appearance.

La quantité de corps magnétiques est suffisante pour que l'aspect de la composition puisse dépendre de leur orientation et/ou de leur emplacement.The amount of magnetic bodies is sufficient for the appearance of the composition to depend on their orientation and / or location.

La concentration en corps magnétiques est par exemple comprise entre environ 0,05 et environ 97 % en masse, notamment entre environ 0,1 et environ 95 % en masse, mieux entre environ 0,1 et environ 90 % en masse, par exemple de l'ordre de 3 % en masse. La dimension des corps magnétiques est par exemple comprise entre 1 nm et 700 µm, mieux entre 1 µm et 500 µm, mieux encore entre 10 µm et 150 µm. Par « dimension », on désigne la dimension donnée par la distribution granulométrique statistique à la moitié de la population, dite D50.The concentration of magnetic bodies is, for example, between about 0.05 and about 97% by weight, especially between about 0.1 and about 95% by weight, more preferably between about 0.1 and about 90% by weight, for example the order of 3% by mass. The size of the magnetic bodies is for example between 1 nm and 700 μm, better between 1 μm and 500 μm, better still between 10 μm and 150 μm. By "dimension" is meant the dimension given by the statistical size distribution at half of the population, called D50.

Pigments magnétiquesMagnetic pigments

Les corps magnétiques de la composition peuvent comporter des pigments magnétiques. Des pigments convenant tout particulièrement sont les nacres comportant de l'oxyde de fer Fe3O4. Des pigments présentant des propriétés magnétiques sont par exemple ceux commercialisés sous les dénominations commerciales COLORONA BLACKSTAR BLUE, COLORONA BLACKSTAR GREEN, COLORONA BLACKSTAR GOLD, COLORONA BLACKSTAR RED, CLOISONNE NU ANTIQUE SUPER GREEN, MICRONA MATTE BLACK (17437), MICA BLACK (17260), COLORONA PATINA SILVER (17289) et COLORONA PATINA GOLD (117288) par la société MERCK ou bien encore FLAMENCO TWILIGHT RED, FLAMENCO TWILIGHT GREEN, FLAMENCO TWILIGHT GOLD, FLAMENCO TWILIGHT BLUE, TIMICA NU ANTIQUE SILVER 110 AB, TIMICA NU ANTIQUE GOLD 212 GB, TIMICA NU-ANTIQUE COPPER 340 AB, TIMICA NU ANTIQUE BRONZE 240 AB, CLOISONNE NU ANTIQUE GREEN 828 CB, CLOISONNE NU ANTIQUE BLUE 626 CB, GEMTONE MOONSTONE G 004, CLOISONNE NU ANTIQUE RED 424 CB, CHROMA-LITE BLACK (4498), CLOISONNE NU ANTIQUE ROUGE FLAMBE (code 440 XB), CLOISONNE NU ANTIQUE BRONZE (240 XB), CLOISONNE NU ANTIQUE GOLD (222 CB) et CLOISONNE NU ANTIQUE COPPER (340 XB) par la société ENGELHARD.The magnetic bodies of the composition may comprise magnetic pigments. Particularly suitable pigments are nacres comprising Fe 3 O 4 iron oxide. Pigments having magnetic properties are, for example, those sold under the trade names COLORONA BLACKSTAR BLUE, COLORONA BLACKSTAR GREEN, COLORONA BLACKSTAR GOLD, COLORONA BLACKSTAR RED, CLOISONNE NU ANTIQUE SUPER GREEN, MICRONA MATTE BLACK (17437), MICA BLACK (17260), COLORONA PATINA SILVER (17289) and COLORONA PATINA GOLD (117288) by MERCK or FLAMENCO TWILIGHT RED, FLAMENCO TWILIGHT GREEN, FLAMENCO TWILIGHT GOLD, TWILIGHT BLUE FLAMENCO, TIMICA NU ANTIQUE SILVER 110 AB, TIMICA NU ANTIQUE GOLD 212 GB, TIMICA NU-ANTIQUE COPPER 340 AB, ANCIENT TIMICA NU BRONZE 240 AB, CLOISONNE NU ANTIQUE GREEN 828 CB, CLOISONNE NU ANTIQUE BLUE 626 CB, GEMTONE MOONSTONE G 004, ANTIQUE CLOISONNE NU RED 424 CB, CHROMA-LITE BLACK (4498), CLOISONNE NU ANTIQUE RED FLAMBE (code 440 XB), ANCIENT BRONZE NARROW CLOISONNE (240 XB), CLOISONNE NU ANTIQUE GOLD (222 CB) and CLOISONNE NU ANTIQUE COPPER (340 XB) by the company ENGELHARD.

On peut encore citer les particules d'oxyde de fer noir commercialisées par la société BASF ou les particules à base de fer doux.Mention may also be made of black iron oxide particles marketed by BASF or soft iron-based particles.

Les corps magnétiques peuvent être des fibres.Magnetic bodies can be fibers.

Fibres magnétiquesMagnetic fibers

Le terme « fibres » désigne des corps généralement allongés, présentant par exemple un facteur de forme allant de 3,5 à 2 500 ou de 5 à 500, par exemple de 5 à 150. Le facteur de forme est défini par le rapport L/D, où L est la longueur de la fibre et D le diamètre du cercle dans lequel s'inscrit la plus grande section transversale de la fibre.The term "fibers" refers to generally elongate bodies, having for example a form factor ranging from 3.5 to 2500 or from 5 to 500, for example from 5 to 150. The form factor is defined by the ratio L / D, where L is the length of the fiber and D is the diameter of the circle in which the largest cross-section of the fiber is inscribed.

La section transversale des fibres peut s'inscrire par exemple dans un cercle de diamètre allant de 2 nm à 500 µm, par exemple allant de 100 nm à 100 µm, voire de 1 µm à 50 µm.The cross section of the fibers may be, for example, in a circle with a diameter ranging from 2 nm to 500 μm, for example ranging from 100 nm to 100 μm, or even from 1 μm to 50 μm.

Les fibres peuvent présenter par exemple une longueur allant de 1 µm à 10 mm, par exemple de 0,1 mm à 5 mm, voire de 0,3 mm à 3,5 mm.The fibers may have, for example, a length ranging from 1 μm to 10 mm, for example from 0.1 mm to 5 mm, or even from 0.3 mm to 3.5 mm.

Les fibres peuvent présenter une masse allant par exemple de 0,15 à 30 deniers (masse en gramme pour 9 km de fil), par exemple de 0,18 à 18 deniers.The fibers may have a mass ranging, for example, from 0.15 to 30 denier (mass per gram per 9 km of yarn), for example from 0.18 to 18 denier.

La forme en section transversale des fibres peut être quelconque, par exemple circulaire ou polygonale, notamment carrée, hexagonale ou octogonale.The cross-sectional shape of the fibers may be arbitrary, for example circular or polygonal, in particular square, hexagonal or octagonal.

La composition peut comporter des fibres pleines ou creuses, indépendantes ou liées entre elles, par exemple tressées.The composition may comprise solid or hollow fibers, independent or interconnected, for example braided.

La composition peut comporter des fibres ayant des extrémités épointées et/ou arrondies, par exemple par polissage.The composition may comprise fibers having blunt and / or rounded ends, for example by polishing.

Les fibres peuvent ne pas voir leur forme sensiblement modifiée lorsqu'elles sont introduites dans la composition, étant par exemple initialement rectilignes et suffisamment rigides pour conserver leur forme. En variante, les fibres peuvent présenter une souplesse leur permettant de se déformer sensiblement au sein de la composition.The fibers may not have their shape substantially modified when they are introduced into the composition, being for example initially rectilinear and sufficiently rigid to retain their shape. Alternatively, the fibers may have a flexibility allowing them to deform substantially within the composition.

Les fibres peuvent comporter une teneur non nulle, pouvant aller jusqu'à 100 %, d'un matériau magnétique à base de fer, de zinc, de nickel, de cobalt ou de manganèse et leurs alliages et oxydes, notamment Fe3O4, les terres rares, le sulfate de baryum, les alliages de fer silicium, éventuellement chargés en molybdène, Cu2MnAl, MnBi, ou un mélange de ceux-ci, cette liste n'étant pas limitative.The fibers may comprise a non-zero content, up to 100%, of a magnetic material based on iron, zinc, nickel, cobalt or manganese and their alloys and oxides, in particular Fe 3 O 4 , rare earths, barium sulfate, silicon iron alloys, optionally loaded with molybdenum, Cu 2 MnAl, MnBi, or a mixture thereof, this list not being limiting.

Lorsque la composition comporte des fibres contenant des particules magnétiques, ces dernières peuvent être présentes par exemple au moins à la surface de la fibre, voire à la surface des fibres uniquement, à l'intérieur de la fibre uniquement ou encore être dispersées au sein de la fibre de manière sensiblement homogène.When the composition comprises fibers containing magnetic particles, the latter may be present for example at least on the surface of the fiber, or even on the surface of the fibers only, inside the fiber alone or else be dispersed within the fiber substantially homogeneously.

Les fibres peuvent comporter par exemple un coeur non magnétique avec une pluralité de particules magnétiques à sa surface.The fibers may comprise for example a non-magnetic core with a plurality of magnetic particles on its surface.

Les fibres peuvent encore comporter une matrice synthétique contenant une pluralité de grains magnétiques dispersés en son sein.The fibers may further comprise a synthetic matrix containing a plurality of magnetic grains dispersed therein.

Le cas échéant, une matière synthétique chargée de particules magnétiques peut elle-même être enrobée par une écorce non magnétique. Une telle écorce constitue par exemple une barrière isolant le ou les matériaux magnétiques du milieu ambiant et/ou peut amener de la couleur. Les fibres peuvent comporter un coeur magnétique monolithique et être enrobées par une écorce non magnétique, ou cela peut être l'inverse.If necessary, a synthetic material filled with magnetic particles may itself be coated with a non-magnetic bark. Such bark constitutes for example an insulating barrier or the magnetic materials of the ambient medium and / or can bring color. The fibers may comprise a monolithic magnetic core and be coated with a non-magnetic bark, or it may be the opposite.

La composition peut comporter des fibres réalisées par extrusion ou co-extrusion d'une ou plusieurs matières polymériques, notamment thermoplastiques et/ou élastomères. L'une des matières extrudées peut contenir une charge de particules magnétiques dispersées.The composition may comprise fibers made by extrusion or co-extrusion of one or more polymeric materials, in particular thermoplastics and / or elastomers. One of the extruded materials may contain a charge of dispersed magnetic particles.

Les fibres peuvent comporter une matière synthétique choisie parmi les polyamides, PET, acétates, polyoléfines, notamment PE ou PP, PVC, polyester bloc amide, Rilsan® plastifié, élastomères, notamment élastomères de polyester, élastomères de PE, élastomères de silicone, élastomères de nitrile ou un mélange de ces matériaux, cette liste n'étant pas limitative.The fibers may comprise a synthetic material chosen from polyamides, PET, acetates, polyolefins, in particular PE or PP, PVC, polyester amide block, plasticized Rilsan ® , elastomers, in particular polyester elastomers, PE elastomers, silicone elastomers, elastomers of nitrile or a mixture of these materials, this list not being limiting.

La composition peut contenir des fibres composites comportant un coeur magnétique enrobé au moins partiellement par au moins un matériau amagnétique, synthétique ou naturel. L'enrobage du coeur magnétique peut se faire par exemple par co-extrusion, autour du coeur, d'une écorce en un matériau non magnétique.The composition may contain composite fibers comprising a magnetic core at least partially coated with at least one non-magnetic, synthetic or natural material. The coating of the magnetic core can be done for example by coextrusion, around the heart, of a bark in a non-magnetic material.

L'enrobage du coeur peut encore s'effectuer autrement, par exemple par polymérisation in situ. The coating of the core can still be carried out differently, for example by in situ polymerization .

Le coeur peut être monolithique ou comporter une charge de grains magnétiques dispersés dans une matrice.The core may be monolithic or have a charge of magnetic grains dispersed in a matrix.

La composition peut encore contenir des fibres composites obtenues par enrobage par une matière synthétique, chargée de particules magnétiques, d'un coeur amagnétique, synthétique ou naturel, le coeur étant composé par exemple d'une fibre de bois, de rayonne, de polyamide, d'une matière végétale, de polyoléfine, notamment de polyéthylène, de Nylon®, de polyimide-amide, d'aramide, cette liste n'étant pas limitative.The composition may also contain composite fibers obtained by coating with a synthetic material, loaded with magnetic particles, a non-magnetic, synthetic or natural core, the core being composed for example of a wood fiber, rayon, polyamide, a plant material, polyolefin, especially polyethylene, nylon ® , polyimide-amide, aramid, this list is not limiting.

La composition peut encore comporter des particules composites magnétiques, notamment un latex magnétique.The composition may further comprise magnetic composite particles, in particular a magnetic latex.

Particules composites magnétiquesMagnetic composite particles

Une particule composite magnétique est un matériau composite constitué d'une matrice organique ou minérale et de grains magnétiques. Les particules composites magnétiques peuvent ainsi comporter à leur surface et/ou en leur sein des grains d'un matériau magnétique. Les particules composites peuvent être constituées d'un coeur magnétique enrobé d'une matrice organique ou minérale, ou inversement.A magnetic composite particle is a composite material consisting of an organic or inorganic matrix and magnetic grains. Composite particles magnetic devices may thus comprise on their surface and / or within them grains of a magnetic material. The composite particles may consist of a magnetic core coated with an organic or mineral matrix, or vice versa.

Les particules composites magnétiques comportent par exemple l'un des matériaux magnétiques précités.The magnetic composite particles comprise for example one of the aforementioned magnetic materials.

La dimension des particules composites magnétiques est par exemple comprise entre 1 nm et 1 mm, mieux entre 100 nm et 500 µm, mieux encore entre 500 nm et 100 µm. Par « dimension », on désigne la dimension donnée par la distribution granulométrique statistique à la moitié de la population, dite D50.The size of the magnetic composite particles is for example between 1 nm and 1 mm, better between 100 nm and 500 μm, better still between 500 nm and 100 μm. By "dimension" is meant the dimension given by the statistical size distribution at half of the population, called D50.

La thèse de C. GOUBAULT, 23 Mars 2004, incorporée ici par référence, rappelle au chapitre 1 l'état de l'art en matière de particules composites magnétiques, et dresse une liste de procédés de préparation pouvant être utilisés pour préparer des particules composites magnétiques, à savoir une synthèse séparée des grains magnétiques et de la matrice, une synthèse des grains magnétiques au contact de la matrice ou une synthèse de la matrice en présence des grains magnétiques.The thesis of C. GOUBAULT, 23 March 2004, incorporated herein by reference, recalls in chapter 1 the state of the art in the field of magnetic composite particles, and lists a process of preparation that can be used to prepare composite particles magnetic, namely a separate synthesis of the magnetic grains and the matrix, a synthesis of magnetic grains in contact with the matrix or a synthesis of the matrix in the presence of magnetic grains.

La société KISKER commercialise des particules magnétiques composites à matrice minérale, composée de silice. Les sociétés DYNAL, SERADYN, ESTAPOR et ADEMTECH proposent des particules magnétiques composites à matrice organique, susceptibles également d'être utilisées dans l'invention.The company KISKER markets composite magnetic particles with a mineral matrix, composed of silica. The companies DYNAL, SERADYN, ESTAPOR and ADEMTECH propose composite magnetic particles with an organic matrix that can also be used in the invention.

Plus particulièrement, la société ESTAPOR commercialise sous la référence M1-070/60 des latex magnétiques constitués de grains de ferrite uniformément répartis dans une matrice polystyrène, ce latex comportant 65 % d'oxyde de fer, le diamètre moyen des particules de polystyrène étant de 890 nm et la teneur massique en matières sèches de 10 %.More particularly, the company ESTAPOR markets under the reference M1-070 / 60 magnetic latexes consisting of ferrite grains evenly distributed in a polystyrene matrix, this latex comprising 65% of iron oxide, the average diameter of the polystyrene particles being 890 nm and the solids content by weight of 10%.

Ferrofluideferrofluid

La composition peut comporter un ferrofluide, c'est-à-dire une suspension colloïdale stable de particules magnétiques, notamment de nanoparticules magnétiques.The composition may comprise a ferrofluid, that is to say a stable colloidal suspension of magnetic particles, especially magnetic nanoparticles.

Les particules, d'une taille par exemple de l'ordre de quelques dizaines de nanomètres, sont dispersées dans un solvant (eau, huile, solvant organique), soit à l'aide d'un tensioactif ou d'un agent dispersant, soit par des interactions électrostatiques.The particles, of a size for example of the order of a few tens of nanometers, are dispersed in a solvent (water, oil, organic solvent), either with the aid of a surfactant or a dispersing agent, or by electrostatic interactions.

Les ferrofluides sont par exemple préparés par broyage de ferrites ou autres particules magnétiques jusqu'à l'obtention de nanoparticules qui sont ensuite dispersées dans un fluide contenant un surfactant, lequel s'adsorbe sur les particules et les stabilise, ou par précipitation en milieu basique d'une solution d'ions métalliques.Ferrofluids are for example prepared by grinding ferrites or other magnetic particles until nanoparticles are obtained which are then dispersed. in a fluid containing a surfactant, which adsorbs on the particles and stabilizes them, or by precipitation in a basic medium of a solution of metal ions.

Chaque particule du ferrofluide présente un moment magnétique déterminé par la taille de la particule et par la nature du matériau magnétique.Each particle of the ferrofluid has a magnetic moment determined by the size of the particle and the nature of the magnetic material.

Sous l'action d'un champ magnétique, les moments magnétiques des particules tendent à s'aligner suivant les lignes de champ, avec apparition d'une aimantation non nulle dans le liquide. Si le champ est annulé, il n'y a pas d'hystérésis et l'aimantation s'annule.Under the action of a magnetic field, the magnetic moments of the particles tend to align along the field lines, with the appearance of a non-zero magnetization in the liquid. If the field is canceled, there is no hysteresis and the magnetization vanishes.

Au-delà d'une valeur seuil de champ, on peut également provoquer des changements macroscopiques dans le liquide, par exemple l'apparition de pics ou une modification des propriétés rhéologiques.Beyond a threshold field value, it is also possible to cause macroscopic changes in the liquid, for example the appearance of peaks or a change in the rheological properties.

La dénomination « ferrofluide » englobe également une émulsion de gouttelettes de ferrofluide dans un solvant. Chaque goutte contient alors des particules magnétiques colloïdales en suspension stable. Cela permet de disposer d'un ferrofluide dans tout type de solvant. La dimension des particules magnétiques en suspension dans le ferrofluide est par exemple comprise entre 1 nm et 10 µm, mieux entre 1 nm et 1 µm, mieux encore entre 1 nm et 100 nm. Par « dimension », on désigne la dimension donnée par la distribution granulométrique statistique à la moitié de la population, dite D50.The term "ferrofluid" also includes an emulsion of ferrofluid droplets in a solvent. Each drop then contains colloidal magnetic particles in stable suspension. This makes it possible to have a ferrofluid in any type of solvent. The size of the magnetic particles suspended in the ferrofluid is for example between 1 nm and 10 μm, better between 1 nm and 1 μm, better still between 1 nm and 100 nm. By "dimension" is meant the dimension given by the statistical size distribution at half of the population, called D50.

On peut citer notamment les ferrofluides commercialisés par la société LIQUIDS RESEARCH LTD sous les références :

  • WHKS1S9 (A, B ou C), qui est un ferrofluide à base aqueuse comportant de la magnétite (Fe3O4), ayant des particules de 10 nm de diamètre,
  • WHJS1 (A, B ou C), qui est un ferrofluide à base d'iso-paraffine et de particules de magnétite (Fe3O4) de 10 nm de diamètre,
  • BKS25_dextran, qui est un ferrofluide à base aqueuse stabilisé par du dextran, comportant des particules de magnétite (Fe3O4) de 9 nm de diamètre.
Mention may in particular be made of ferrofluids marketed by the company LIQUIDS RESEARCH LTD under the references:
  • WHKS1S9 (A, B or C), which is an aqueous ferrofluid having magnetite (Fe 3 O 4 ), having particles of 10 nm in diameter,
  • WHJS1 (A, B or C), which is a ferrofluid based on iso-paraffin and magnetite particles (Fe 3 O 4 ) 10 nm in diameter,
  • BKS25_dextran, which is a dextran-stabilized aqueous base ferrofluid, having magnetite (Fe 3 O 4 ) particles 9 nm in diameter.

Chaînes de particules et/ou de fibres magnétiquesParticle chains and / or magnetic fibers

La composition peut encore comporter des chaînes de particules et/ou de fibres magnétiques.The composition may further comprise chains of particles and / or magnetic fibers.

La composition peut ainsi comporter des agglomérats de particules ou fibres dont la plus grande dimension, par exemple la longueur, est par exemple comprise entre 1 nm et 10 mm, par exemple entre 10 nm et 5 mm, ou entre 100 nm et 1 mm, ou encore entre 0,5 µm et 3,5 mm, par exemple entre 1 µm et 150 µm. La dimension désigne celle donnée par la distribution granulométrique statistique à la moitié de la population, dite D50.The composition can thus comprise agglomerates of particles or fibers whose largest dimension, for example the length, is for example between 1 nm and 10 mm, for example between 10 nm and 5 mm, or between 100 nm and 1 mm, or between 0.5 μm and 3.5 mm, for example between 1 μm and 150 μm. Dimension refers to that given by the statistical size distribution at half of the population, called D50.

Des chaînes de particules magnétiques peuvent être obtenues par exemple en assemblant des particules magnétiques colloïdales, comme cela est décrit dans les publications « Permanently linked monodisperse paramagnetic chains », E.M. Furst, C. Suzuki, M. Fermigier, A.P. Gast, Langmuir, 14, 7334-7336 (1998) , « Suspensions de particules magnétiques », M. Fermigier, Y. Grasselli, Bulletin de la SFP (105) juillet 96 , et « Flexible magnetic filaments as micromechanical sensors », C. Goubault, P. Jop, M. Fermigier, J. Baudry, E. Bertrand, J. Bibette, Phys. Rev. Lett., 91, 26, 260802-1 à 260802-4 (2003 ), dont les contenus sont incorporés par référence.Strings of magnetic particles can be obtained for example by assembling colloidal magnetic particles, as described in the publications Permanently linked monodisperse paramagnetic chains, EM Furst, C. Suzuki, M. Fermigier, AP Gast, Langmuir, 14, 7334-7336 (1998) , "Suspensions of magnetic particles", M. Fermigier, Y. Grasselli, Bulletin of the SFP (105) July 96 , and "Flexible magnetic filaments and micromechanical sensors", C. Goubault, P. Jop, M. Fermigier, J. Baudry, Bertrand E., J. Bibette, Phys. Rev. Lett., 91, 26, 260802-1 to 260802-4 (2003). ), the contents of which are incorporated by reference.

Il est notamment décrit dans ces articles comment procéder pour obtenir des chaînes de particules de latex magnétiques comportant une matrice de polystyrène contenant des grains d'oxyde de fer et fonctionnalisées en surface, liées entre elles de façon permanente suite à une réaction chimique, notamment des liaisons covalentes entre les surfaces des particules adjacentes ; il est également décrit un procédé d'obtention de chaînes de gouttelettes d'émulsion de ferrofluides, liées entre elles par interactions de nature physique. La longueur ainsi que le diamètre des chaînes permanentes ainsi obtenues peuvent être contrôlés. De telles chaînes magnétiques constituent des objets magnétiques anisotropes orientables et déplaçables sous l'effet d'un champ magnétique.It is in particular described in these articles how to proceed to obtain chains of magnetic latex particles comprising a polystyrene matrix containing iron oxide grains and functionalised on the surface, permanently bonded together following a chemical reaction, including covalent bonds between the surfaces of adjacent particles; a method is also described for obtaining ferrofluid emulsion droplet chains, linked together by interactions of a physical nature. The length as well as the diameter of the permanent chains thus obtained can be controlled. Such magnetic chains constitute anisotropic magnetic objects orientable and movable under the effect of a magnetic field.

Les dimensions des chaînes magnétiques peuvent répondre aux mêmes conditions que les fibres magnétiques.The dimensions of the magnetic chains can meet the same conditions as the magnetic fibers.

MILIEU PHYSIOLOGIQUEMENT ACCEPTABLEPHYSIOLOGICALLY ACCEPTABLE ENVIRONMENT

La composition comporte un milieu physiologiquement acceptable. Par « milieu physiologiquement acceptable », on désigne un milieu non toxique et susceptible d'être appliqué sur la peau, les phanères ou les lèvres d'êtres humains. Le milieu physiologiquement acceptable est généralement adapté à la nature du support sur lequel doit être appliquée la composition ainsi qu'à la forme sous laquelle la composition est conditionnée.The composition comprises a physiologically acceptable medium. By "physiologically acceptable medium" means a non-toxic medium that can be applied to the skin, integuments or lips of human beings. The physiologically acceptable medium is generally adapted to the nature of the support on which the composition is to be applied and to the form in which the composition is packaged.

La composition peut comporter d'autres ingrédients que ceux décrits plus haut, notamment au moins un solvant, une phase grasse, un polymère filmogène et/ou un actif dermatologique ou cosmétique, notamment en fonction de la forme galénique.The composition may comprise other ingredients than those described above, in particular at least one solvent, a fatty phase, a film-forming polymer and / or a dermatological or cosmetic active agent, in particular depending on the dosage form.

La composition peut avantageusement comporter un solvant volatil, notamment un solvant organique volatil. L'orientation des corps magnétiques peut être modifiée et/ou ces derniers déplacés avant l'évaporation du solvant.The composition may advantageously comprise a volatile solvent, in particular a volatile organic solvent. The orientation of the magnetic bodies can be modified and / or these moved before the evaporation of the solvent.

EXEMPLESEXAMPLES

Les différents aspects de l'invention pourront être mieux compris à la lecture de la description détaillée qui va suivre, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente en élévation un ensemble de conditionnement et d'application selon un exemple de mise en oeuvre de l'invention,
  • la figure 2 illustre l'application de la composition sur l'ongle,
  • la figure 3 illustre l'exposition au champ magnétique,
  • la figure 4 représente un boîtier selon un autre aspect de l'invention,
  • la figure 5 représente le boîtier de la figure 4, après ouverture du couvercle,
  • la figure 6 est une vue de dessous d'un dispositif magnétique permettant de réaliser un motif sur l'ongle,
  • la figure 7 est une coupe longitudinale selon VII-VII de la figure 6,
  • la figure 8 est une vue de côté selon VIII-VIII de la figure 6,
  • la figure 9 est une vue analogue à la figure 7, avant rapprochement du dispositif magnétique,
  • la figure 10 représente de manière schématique, en perspective, un ensemble de conditionnement et d'application réalisé conformément à un autre aspect de l'invention,
  • la figure 11 est une coupe partielle et schématique d'une variante de réalisation,
  • la figure 12 représente en coupe un dispositif magnétique conforme à une variante de mise en oeuvre de l'invention,
  • les figures 13 et 14 sont des vues analogues à la figure 7 représentant des variantes de réalisation,
  • la figure 15 représente en coupe un dispositif magnétique selon une autre variante de réalisation,
  • les figures 16 à 30 représentent en perspective divers exemples d'ensembles de conditionnement et d'application selon des variantes de mise en oeuvre de l'invention,
  • les figures 31 à 34 représentent isolément, en perspective, différents supports réalisés conformément à l'invention, et
  • la figure 35 représente schématiquement, en vue de dessus, un ongle et un aimant ayant une portion en forme de coin.
The various aspects of the invention will be better understood on reading the following detailed description and on examining the appended drawing, in which:
  • FIG. 1 represents in elevation a packaging and application assembly according to an exemplary embodiment of the invention,
  • FIG. 2 illustrates the application of the composition to the nail,
  • FIG. 3 illustrates the exposure to the magnetic field,
  • FIG. 4 represents a casing according to another aspect of the invention,
  • FIG. 5 represents the housing of FIG. 4, after opening of the cover,
  • FIG. 6 is a bottom view of a magnetic device for making a pattern on the nail,
  • FIG. 7 is a longitudinal section along VII-VII of FIG. 6,
  • FIG. 8 is a side view according to VIII-VIII of FIG. 6,
  • FIG. 9 is a view similar to FIG. 7, before approaching the magnetic device,
  • FIG. 10 schematically represents, in perspective, a packaging and application assembly made according to another aspect of the invention,
  • FIG. 11 is a partial and schematic section of an alternative embodiment,
  • FIG. 12 is a sectional view of a magnetic device according to an alternative embodiment of the invention,
  • FIGS. 13 and 14 are views similar to FIG. 7 showing alternative embodiments,
  • FIG. 15 is a sectional view of a magnetic device according to another embodiment variant,
  • Figures 16 to 30 show in perspective various examples of packaging and application sets according to alternative embodiments of the invention,
  • FIGS. 31 to 34 are isolated, in perspective, various supports made in accordance with the invention, and
  • Figure 35 schematically shows, in plan view, a fingernail and a magnet having a wedge-shaped portion.

On a représenté à la figure 1 un ensemble de conditionnement et d'application 1 comportant un flacon 2 contenant une composition cosmétique et un applicateur 3 permettant d'appliquer celle-ci.FIG. 1 shows a packaging and application unit 1 comprising a bottle 2 containing a cosmetic composition and an applicator 3 making it possible to apply the same.

Dans l'exemple considéré, la composition cosmétique est un vernis à ongles comportant des corps magnétiques, de formulation suivante : Nitrocellulose 11 N-éthyl o,p-toluènesulfonamide 5 Résine alkyde 10 Isopropanol 4 Pigments magnétiques* 0,5 Acétate de butyle/acétate d'éthyle 50/50 Qsp 100 *Nacres contenant au moins 14 % de Fe3O4 de référence COLORONA PATINA GOLD (117288) commercialisées par la société MERCK. In the example under consideration, the cosmetic composition is a nail polish comprising magnetic bodies, of the following formulation: nitrocellulose 11 N-ethyl o, p-toluenesulfonamide 5 Alkyd resin 10 isopropanol 4 Magnetic pigments * 0.5 Butyl acetate / ethyl acetate 50/50 Qs 100 * Nacres containing at least 14% of reference Fe 3 O 4 COLORONA PATINA GOLD (117288) sold by MERCK.

L'aspect d'un tel vernis à ongles peut être modifié en appliquant un champ magnétique, avant que le vernis n'ait eu le temps de sécher.The appearance of such a nail polish can be modified by applying a magnetic field before the polish has had time to dry.

Bien entendu, l'invention n'est pas limitée à une composition particulière.Of course, the invention is not limited to a particular composition.

L'applicateur 3 comporte un organe de préhension 4 qui constitue également l'organe de fermeture du flacon 2 et un pinceau 5 permettant d'appliquer la composition sur l'ongle.The applicator 3 comprises a gripping member 4 which also constitutes the closure member of the bottle 2 and a brush 5 for applying the composition to the nail.

L'ensemble 1 comporte un dispositif magnétique qui comprend un aimant permanent 7 intégré à l'organe de préhension 4.The assembly 1 comprises a magnetic device which comprises a permanent magnet 7 integrated in the gripping member 4.

Dans l'exemple considéré, l'aimant 7 est reçu dans un logement de l'organe de préhension et reste apparent depuis la face supérieure 8 de l'applicateur. Cette dernière peut présenter le cas échéant une forme légèrement concave vers l'extérieur, afin de tenir compte de la courbure de l'ongle.In the example considered, the magnet 7 is received in a housing of the gripping member and remains visible from the upper face 8 of the applicator. The latter may have a slightly concave shape towards the outside, in order to take into account the curvature of the nail.

Les propriétés magnétiques de l'aimant 7 peuvent être choisies en fonction du motif à réaliser sur l'ongle, de la concentration en corps magnétiques et de leur sensibilité. L'aimant 7 permet par exemple de générer un champ d'au moins 500 Gauss, mieux d'au moins 2000, voire 10000 ou 15000 Gauss, par exemple compris entre 500 et 15000 Gauss.The magnetic properties of the magnet 7 can be chosen according to the pattern to be achieved on the nail, the concentration of magnetic bodies and their sensitivity. The magnet 7 makes it possible, for example, to generate a field of at least 500 Gauss, better still at least 2,000, or even 10,000 or 15,000 Gauss, for example between 500 and 15,000 Gauss.

L'ensemble peut comporter par ailleurs au moins une information représentative d'un décor pouvant être réalisé sur un dépôt de la composition, grâce au dispositif magnétique 7.The assembly may also comprise at least one piece of information representative of a decoration that can be made on a deposit of the composition, thanks to the magnetic device 7.

Cette information peut se présenter de multiples manières.This information can come in many ways.

Dans l'exemple considéré, l'information figure sur une notice 11 qui est par exemple contenue dans le même emballage que le flacon 2, cet emballage étant par exemple une boîte cartonnée ou un blister et non représenté.In the example, the information is on a record 11 which is for example contained in the same package as the bottle 2, this package being for example a cardboard box or a blister and not shown.

En variante, l'information peut figurer sur une étiquette collée sur le flacon ou l'applicateur 3.Alternatively, the information may appear on a label stuck on the bottle or the applicator 3.

L'information 11 peut comporter la représentation d'un décor pouvant être obtenu sur la composition avec le dispositif magnétique. Cette représentation est par exemple imprimée mais elle peut encore être réalisée autrement, notamment en exposant à un champ magnétique une couche de la composition cosmétique, déposée par exemple sur le dessus ou le côté de l'applicateur ou sur le flacon, sous forme d'un laquage.The information 11 may comprise the representation of a decoration that can be obtained on the composition with the magnetic device. This representation is for example printed, but it can also be done differently, in particular by exposing to a magnetic field a layer of the cosmetic composition, deposited for example on the top or the side of the applicator or on the bottle, in the form of a lacquering.

On peut encore utiliser pour mouler l'organe de préhension 4 une matière thermoplastique chargée de corps magnétiques et exposer ceux-ci à un champ magnétique, afin d'obtenir un résultat similaire à celui que permet le dispositif magnétique 7 sur la composition contenue à l'intérieur du flacon.It is also possible to mold a gripping member 4 with a thermoplastic material which is loaded with magnetic bodies and to expose them to a magnetic field, so as to obtain a result similar to that which the magnetic device 7 has on the composition contained in FIG. inside the bottle.

L'ensemble 1 peut s'utiliser de la manière suivante.Set 1 can be used as follows.

L'utilisateur commence par appliquer la composition sur l'ongle, comme illustré à la figure 2, puis avant que celle-ci ne sèche, retourne l'applicateur 3 pour exposer la composition au champ magnétique généré par l'aimant 7, comme illustré à la figure 3.The user first applies the composition to the nail, as shown in FIG. 2, and before it dries, returns the applicator 3 to expose the composition to the magnetic field generated by the magnet 7, as illustrated. in Figure 3.

La composition est par exemple exposée à un champ magnétique statique, en ne déplaçant pas l'aimant 7 relativement à l'ongle jusqu'à ce que les corps magnétiques soient figés, ou dynamique, en déplaçant l'aimant 7 relativement à l'ongle. Un champ magnétique rotatif peut créer par exemple l'illusion d'une sphère en relief.The composition is for example exposed to a static magnetic field, by not moving the magnet 7 relative to the nail until the magnetic bodies are frozen, or dynamic, by moving the magnet 7 relative to the nail . For example, a rotating magnetic field can create the illusion of a raised sphere.

On a illustré à la figure 11 la possibilité pour l'applicateur 3 de la figure 1 de comporter au moins une extension 70 pouvant reposer contre une surface d'appui, par exemple le dessus d'une table, pour maintenir l'aimant 7 à une certaine distance de l'ongle. Dans l'exemple illustré, l'applicateur comporte deux pattes 70 définissant entre elles un logement 71 pouvant accueillir l'ongle.FIG. 11 illustrates the possibility for the applicator 3 of FIG. 1 to include at least one extension 70 that can rest against a bearing surface, for example example the top of a table, to maintain the magnet 7 at a distance from the nail. In the illustrated example, the applicator has two lugs 70 defining between them a housing 71 that can accommodate the nail.

On a représenté aux figures 4 et 5 un boîtier 20 dont le couvercle 21 comporte une information 22 représentative d'un décor pouvant être réalisé grâce à un dispositif magnétique 23 présent dans le boîtier. L'information 22 est par exemple une impression ou un décor réalisé dans un laquage ou dans la matière thermoplastique du boîtier, de la manière précédemment décrite.FIGS. 4 and 5 show a housing 20 whose cover 21 includes information 22 representative of a decoration that can be achieved by means of a magnetic device 23 present in the housing. The information 22 is for example a printing or a decor made in a lacquer or in the thermoplastic material of the housing, as previously described.

Le boîtier 20 comporte par exemple un laquage d'un vernis contenant des corps magnétiques et qui a été exposé avant son séchage à un champ magnétique tel que généré par le dispositif magnétique 23.The housing 20 comprises for example a lacquering of a varnish containing magnetic bodies and which has been exposed before drying to a magnetic field as generated by the magnetic device 23.

Le boîtier 20 peut contenir plusieurs dispositifs magnétiques 23 permettant de réaliser des décors différents et au moins une composition à appliquer sur la peau, les phanères ou les muqueuses.The housing 20 may contain several magnetic devices 23 for making different decorations and at least one composition to be applied to the skin, superficial body growths or mucous membranes.

On a représenté aux figures 6 à 8 un dispositif 30 permettant de réaliser un décor sur l'ongle, en exposant à un champ magnétique un dépôt d'une composition comportant des corps magnétiques.FIGS. 6 to 8 show a device 30 making it possible to produce a decoration on the nail, by exposing a deposit of a composition comprising magnetic bodies to a magnetic field.

Le dispositif 30 comporte un support 31 et un aimant permanent 32 qui est par exemple monté fixement sur le support 31 mais qui pourrait, dans une variante non illustrée, être monté de manière à pouvoir se déplacer relativement au support 31, par exemple en étant entraîné en rotation.The device 30 comprises a support 31 and a permanent magnet 32 which is for example fixedly mounted on the support 31 but which could, in a variant not shown, be mounted so as to be able to move relative to the support 31, for example by being driven in rotation.

Le support 31 est par exemple réalisé par moulage de matière thermoplastique et comporte une première butée 33 contre laquelle l'extrémité distale de l'ongle peut venir en appui, comme illustré figure 7.The support 31 is for example made by molding thermoplastic material and has a first stop 33 against which the distal end of the nail can come into abutment, as shown in FIG.

La première butée 33 comporte un retour 34 qui peut servir d'appui à la face intérieure de l'ongle, lequel se trouve ainsi positionné à la fois horizontalement et verticalement relativement au support 31 sur la figure 7.The first stop 33 has a return 34 which can serve to support the inner face of the nail, which is thus positioned both horizontally and vertically relative to the support 31 in FIG.

Le support 31 comporte, du côté opposé à la première butée 33, une deuxième butée 36 qui peut venir en appui sur la face supérieure du doigt, de manière à maintenir la face 38 de l'aimant permanent, tournée vers l'ongle, à une distance prédéfinie de l'ongle, cette distance étant par exemple comprise entre 0,5 et 1,5 mm.The support 31 comprises, on the opposite side to the first stop 33, a second stop 36 which can bear on the upper face of the finger, so as to maintain the face 38 of the permanent magnet, turned towards the nail, to a predefined distance from the nail, this distance being for example between 0.5 and 1.5 mm.

La deuxième butée 36 présente avantageusement, de même que le retour 34 de la première butée 33, une forme légèrement incurvée, adaptée à la courbure du doigt, comme on peut le voir à la figure 8.The second stop 36 advantageously has, as well as the return 34 of the first stop 33, a slightly curved shape, adapted to the curvature of the finger, as can be seen in FIG.

Pour utiliser le dispositif 30, l'utilisateur peut commencer par positionner l'ongle sur la première butée 33 alors que le support 31 fait un angle relativement important avec l'ongle, comme illustré à la figure 9, de telle sorte que la composition qui a été déposée sur l'ongle ne soit pas exposée fortement au champ magnétique.To use the device 30, the user can first position the nail on the first stop 33 while the support 31 makes a relatively large angle with the nail, as shown in Figure 9, so that the composition which has been deposited on the nail is not strongly exposed to the magnetic field.

Puis l'utilisateur peut faire pivoter le support relativement à l'ongle autour d'un axe d'articulation qui correspond sensiblement au point d'appui de l'ongle contre la première butée 33, jusqu'à venue de la deuxième butée 36 au contact du doigt.Then the user can rotate the support relative to the nail around a hinge axis which substantially corresponds to the fulcrum of the nail against the first stop 33 until the second stop 36 comes touch of the finger.

L'utilisateur peut maintenir le support 31 dans la position de la figure 7 le temps nécessaire au séchage de la composition.The user can hold the support 31 in the position of Figure 7 the time required for drying the composition.

Une fois la composition sèche, les corps magnétiques sont figés dans l'orientation que leur a conférée l'aimant.Once the composition is dry, the magnetic bodies are fixed in the orientation that the magnet has given them.

La figure 13 illustre la réalisation de la deuxième butée 36, venant en appui sur le doigt, avec une possibilité de réglage en hauteur. La butée 36 comporte dans cet exemple une vis engagée dans le support 31.13 illustrates the embodiment of the second stop 36, bearing on the finger, with a possibility of height adjustment. The abutment 36 comprises in this example a screw engaged in the support 31.

On a représenté à la figure 10 un ensemble de conditionnement et d'application 40 comportant un flacon 42, un applicateur 43 et un dispositif magnétique 44.FIG. 10 shows a packaging and application unit 40 comprising a bottle 42, an applicator 43 and a magnetic device 44.

Le flacon 42 contient une composition cosmétique comportant des corps magnétiques.The bottle 42 contains a cosmetic composition comprising magnetic bodies.

L'applicateur 43 est par exemple conventionnel et comporte un élément d'application 60 tel qu'un pinceau, monté à l'extrémité d'une tige 45 se raccordant à un organe de préhension 46 qui constitue également un organe de fermeture du flacon 42.The applicator 43 is for example conventional and comprises an applicator element 60 such as a brush, mounted at the end of a rod 45 connected to a gripping member 46 which also constitutes a closure member of the bottle 42 .

Le dispositif magnétique 44 comporte un support 47 pourvu d'une ouverture 48 permettant de l'engager sur le col 49 du flacon 42.The magnetic device 44 comprises a support 47 provided with an opening 48 making it possible to engage it on the neck 49 of the bottle 42.

Le support 47 présente une extension latérale 50 qui peut se positionner sur le côté du flacon 42 et dans l'épaisseur de celui-ci lorsque le col est engagé dans l'ouverture 48 et le support 47 maintenu contre le flacon 42 par l'organe de fermeture 43.The support 47 has a lateral extension 50 which can be positioned on the side of the bottle 42 and in the thickness thereof when the neck is engaged in the opening 48 and the support 47 held against the bottle 42 by the body closing 43.

L'extension latérale 50 du support comporte avantageusement une première butée 51 analogue à la première butée 33 de l'exemple de réalisation précédemment décrit, permettant de positionner l'ongle relativement au support 47, et un aimant permanent 52 positionné relativement à la première butée 51 de manière à pouvoir venir à une faible distance de la composition à exposer au champ magnétique.The lateral extension 50 of the support advantageously comprises a first abutment 51 similar to the first abutment 33 of the embodiment previously described, making it possible to position the nail relative to the support 47, and a permanent magnet 52 positioned relative to the first stop 51 so as to be able to come a short distance from the composition to be exposed to the magnetic field.

Le support 47 peut être laissé en place sur le flacon 42 pour son utilisation. Le pivotement de l'ongle relativement au support 47 peut s'effectuer jusqu'à ce que le doigt vienne en contact avec une deuxième butée 54 formée par la surface extérieure du support 47.The support 47 can be left in place on the bottle 42 for use. The pivoting of the nail relative to the support 47 can be carried out until the finger comes into contact with a second stop 54 formed by the outer surface of the support 47.

La figure 12 représente un dispositif magnétique dans lequel un aimant 75 est monté sur un support 76 avec une possibilité de réglage en hauteur. L'aimant 75 est par exemple solidaire d'une vis 77 permettant de modifier la distance à l'ongle. L'utilisateur peut ainsi ajuster la distance en fonction par exemple de la grosseur du doigt ou de la nature de la composition déposée sur l'ongle. Comme dans l'exemple de la figure 11, des pattes 79 sont prévues pour définir un logement 80 pour le doigt.Figure 12 shows a magnetic device in which a magnet 75 is mounted on a support 76 with a possibility of height adjustment. The magnet 75 is for example integral with a screw 77 to change the distance to the nail. The user can thus adjust the distance depending for example on the size of the finger or the nature of the composition deposited on the nail. As in the example of Figure 11, tabs 79 are provided to define a housing 80 for the finger.

Dans tous les cas, l'aimant peut être un aimant monolithique ou, comme illustré à la figure 14, comporter des particules magnétiques 81 dispersées dans une matrice, par exemple des ferrites.In all cases, the magnet may be a monolithic magnet or, as illustrated in FIG. 14, comprise magnetic particles 81 dispersed in a matrix, for example ferrites.

Ces particules sont par exemple incorporées à la matière du support et orientées sous l'action d'un champ magnétique alors que la matière du support est encore fluide, de façon à ce que les effets des champs individuels des particules puissent se cumuler.These particles are for example incorporated into the material of the support and oriented under the action of a magnetic field while the material of the support is still fluid, so that the effects of the individual fields of the particles can accumulate.

La matière du support est par exemple une matière thermoplastique, les particules magnétiques étant orientées lors du moulage avant que la matière thermoplastique ne se fige.The support material is for example a thermoplastic material, the magnetic particles being oriented during molding before the thermoplastic material freezes.

La figure 15 représente une variante de réalisation dans laquelle le dispositif magnétique comporte un support 85 amagnétique, par exemple en matière thermoplastique ou en aluminium, pourvu d'un logement 86 pour recevoir l'extrémité du doigt.FIG. 15 represents an alternative embodiment in which the magnetic device comprises a nonmagnetic support 85, for example made of thermoplastic material or aluminum, provided with a housing 86 for receiving the end of the finger.

Un aimant 87 est monté dans un logement 88 du support de manière à exercer un champ sur la composition magnétique déposée sur l'ongle.A magnet 87 is mounted in a housing 88 of the support so as to exert a field on the magnetic composition deposited on the nail.

Le support présente par exemple extérieurement une forme générale parallélépipédique.The support has for example externally a parallelepipedal general shape.

Le dispositif de conditionnement d'application représenté à la figure 16 comporte un support 90 qui est agencé pour se fixer sur le col d'un flacon 2, à l'instar du support 47 de l'exemple de la figure 10.The application conditioning device shown in FIG. 16 comprises a support 90 which is arranged to be fixed on the neck of a bottle 2, like the support 47 of the example of FIG.

Sur la figure 16, on voit que le flacon 2 présente un corps ayant une section transversale polygonale, en l'espèce carrée ou rectangulaire, avec des faces principales sensiblement planes.In Figure 16, we see that the bottle 2 has a body having a polygonal cross section, in this case square or rectangular, with substantially flat major faces.

Le support 90 comporte un montant frontal 105 qui vient en appui sur l'une de ces faces principales. Ce montant frontal 105 est prolongé supérieurement par une paroi supérieure 106 pourvue d'une ouverture traversée par le col du flacon 2.The support 90 comprises a frontal upright 105 which bears on one of these main faces. This frontal amount 105 is extended superiorly by an upper wall 106 provided with an opening through which the neck of the bottle 2.

Le support 90 comporte un logement accueillant un aimant permanent 92, lequel présente une forme générale parallélépipédique, avec des côtés verticaux.The support 90 comprises a housing housing a permanent magnet 92, which has a generally parallelepipedal shape, with vertical sides.

Le logement du support 90 comporte deux nervures opposées 107 et 108 pourvues chacune d'un retour vers l'intérieur.The housing of the support 90 has two opposite ribs 107 and 108 each provided with a return to the inside.

Les nervures 107 et 108 peuvent être agencées de manières à former une glissière permettant l'engagement de l'aimant 92 dans le logement par un mouvement de coulissement, par exemple depuis le bas et l'arrière du support.The ribs 107 and 108 may be arranged to form a slideway for engaging the magnet 92 in the housing by a sliding movement, for example from the bottom and the back of the support.

Le support 90 comporte inférieurement, sous l'aimant, un ergot 96 qui définit une première butée pour le positionnement de l'ongle relativement à l'aimant 92.The support 90 comprises below, under the magnet, a lug 96 which defines a first stop for the positioning of the nail relative to the magnet 92.

Cet ergot 96 peut comporter, comme illustré, un retour 91 vers le haut, permettant un appui de la face intérieure de l'ongle. Ce retour 91 présente avantageusement une surface 110 dirigée vers le logement qui est convexe vers celui-ci.This lug 96 may comprise, as illustrated, a return 91 upwards, allowing support of the inner face of the nail. This return 91 advantageously has a surface 110 directed towards the housing which is convex towards it.

La face supérieure 111 de l'ergot 96 peut présenter un renfoncement concave vers le haut, afin d'épouser sensiblement la forme du bord de l'ongle.The upper face 111 of the lug 96 may have a concave recess upwards, in order to substantially match the shape of the edge of the nail.

L'aimant 92 peut être fixé sur le support de diverses manières, par exemple par encliquetage grâce à des reliefs adaptés du support et/ou par collage.The magnet 92 can be fixed on the support in various ways, for example by snap-fastening thanks to suitable reliefs of the support and / or by gluing.

Dans l'exemple de la figure 16, le support 90 peut être facilement retiré du récipient 2 après enlèvement de l'applicateur 3.In the example of FIG. 16, the support 90 can be easily removed from the receptacle 2 after removal of the applicator 3.

Le bord inférieur 112 peut se situer au niveau du fond du flacon 2, voire légèrement au-dessus.The lower edge 112 may be at the bottom of the bottle 2, or slightly above.

Le support 90 de l'exemple de la figure 17 diffère de celui représenté à la figure 16 par la présence additionnelle d'un retour 115 prolongeant vers le bas la paroi supérieure 106 et venant en appui sur la face principale du flacon 2 opposée à celle sur laquelle le montant frontal 105 vient en appui. Cela permet d'immobiliser plus sûrement en rotation le support 90 relativement au flacon 2.The support 90 of the example of FIG. 17 differs from that represented in FIG. 16 by the additional presence of a return 115 extending downwardly the upper wall 106 and bearing on the main face of the bottle 2 opposite to that on which the frontal amount 105 bears. This makes it possible to immobilize the support 90 more securely in rotation relative to the bottle 2.

Le retour 115 vers l'arrière présente, dans l'exemple considéré, une hauteur comprise entre le dixième et le tiers de la hauteur des faces principales du flacon 2, mais dans une variante non illustrée, le retour 115 pourrait s'étendre par exemple jusqu'au bas du flacon 2.The return 115 to the rear has, in the example considered, a height between one-tenth and one-third of the height of the main faces of the bottle 2, but in a variant not shown, the return 115 could extend for example to the bottom of the bottle 2.

Dans l'exemple de la figure 19, le support 90 comporte deux ailes latérales 120 et 121 qui se raccordent à la paroi frontale 105 et s'étendent chacune sur sensiblement toute la hauteur du corps du flacon 2.In the example of FIG. 19, the support 90 comprises two lateral wings 120 and 121 which are connected to the front wall 105 and each extend over substantially the entire height of the body of the bottle 2.

L'aimant 92 est par exemple retenu de la même manière sur le support que dans l'exemple de la figure 16, l'ergot 96 présentant par exemple une forme identique.The magnet 92 is for example retained in the same manner on the support as in the example of Figure 16, the pin 96 having for example an identical shape.

Le support 90 présente sur la figure 18 une forme générale de cavalier et il est par exemple retenu par encliquetage sur le flacon 2. En variante, il peut être retenu par collage ou autrement encore, en fonction par exemple de la matière constituant le flacon 2.The support 90 has a general jumper shape in FIG. 18 and is for example detained by snapping onto the bottle 2. In a variant, it can be retained by gluing or otherwise, depending for example on the material constituting the bottle 2 .

La variante de réalisation de la figure 18 diffère de l'exemple de la figure 16 par le fait que le montant frontal 105 est prolongé inférieurement par une paroi inférieure 122 qui s'étend sous le flacon 2 et qui constitue le socle du dispositif.The variant embodiment of FIG. 18 differs from the example of FIG. 16 in that the frontal upright 105 is extended inferiorly by a lower wall 122 which extends under the bottle 2 and which constitutes the base of the device.

L'ergot 96 n'est pas limité à une forme particulière et à titre d'exemple celui représenté à la figure 20 présente un bord avant 125 qui est arrondi, convexe vers l'extérieur.The lug 96 is not limited to a particular shape and by way of example that shown in Figure 20 has a front edge 125 which is rounded, convex outwardly.

L'aimant 92 est par exemple fixé sur le support 90 en étant introduit par l'avant et par le dessus, étant par exemple maintenu par serrage entre les nervures 107 et 108. Dans l'exemple de la figure 21, l'aimant 92 est par exemple simplement collé sur le montant frontal 105 et les nervures 107 et 108 visent par exemple à faciliter son positionnement avant collage.The magnet 92 is for example fixed on the support 90 by being introduced from the front and from above, being for example maintained by clamping between the ribs 107 and 108. In the example of Figure 21, the magnet 92 is for example simply glued on the frontal amount 105 and the ribs 107 and 108 for example to facilitate its positioning before bonding.

Le support 90 peut comporter un ou plusieurs reliefs facilitant le collage, par exemple en constituant des pièges à colle.The support 90 may comprise one or more reliefs facilitating bonding, for example by forming glue traps.

Dans l'exemple de la figure 22, l'ergot présente un bord avant qui présente un renfoncement concave vers l'avant, ce qui peut permettre le positionnement du doigt ou de l'ongle.In the example of Figure 22, the lug has a front edge which has a concave recess forward, which can allow the positioning of the finger or the fingernail.

L'aimant 92 est par exemple collé sur le support comme sur la figure 21, mais peut en variante être fixé autrement, par exemple par encliquetage ou par encliquetage et collage.The magnet 92 is for example glued on the support as in Figure 21, but may alternatively be fixed otherwise, for example by snapping or snapping and gluing.

Dans les exemples des figures 23 à 29, l'aimant 92 est orienté sur le support de manière à présenter une face avant en forme de losange avec une pointe 130 vers le bas.In the examples of Figures 23 to 29, the magnet 92 is oriented on the support so as to have a diamond-shaped front face with a point 130 downwards.

Dans l'exemple de la figure 23, l'aimant 92 repose par deux côtés 131 et 132 sur le sommet des nervures 108 et 107, étant par exemple collé sur le support 90.In the example of FIG. 23, the magnet 92 rests on two sides 131 and 132 on the top of the ribs 108 and 107, being for example glued on the support 90.

L'ergot 96 présente dans l'exemple de la figure 22 un renfoncement 93 concave vers l'avant, permettant de positionner le doigt ou l'ongle.The lug 96 has in the example of Figure 22 a recess 93 concave forward, to position the finger or the fingernail.

L'utilisateur peut notamment positionner la cuticule adjacente à la lunule dans le renfoncement 93 afin d'obtenir, grâce au gradient des lignes de champ magnétique créé par l'aimant, un maquillage de type « French manucure », avec un dégradé sur l'ongle.The user can in particular position the cuticle adjacent to the lunula in the recess 93 in order to obtain, thanks to the gradient of the magnetic field lines created by the magnet, a makeup of the "French manicure" type, with a gradient on the nail.

De façon générale, il peut s'avérer intéressant de soumettre l'ongle au champ magnétique généré par une portion d'aimant ayant une largeur qui varie lorsque l'on se déplace le long d'un plan médian M de l'ongle, comme illustré à la figure 35, l'aimant pouvant se superposer ou non au moins partiellement à l'ongle.In general, it may be advantageous to subject the nail to the magnetic field generated by a portion of a magnet having a width which varies as one moves along a median plane M of the nail, such as illustrated in Figure 35, the magnet can be superimposed or not at least partially to the nail.

L'aimant peut par exemple présenter une forme de coin avec des côtés qui convergent en direction de la lunule, les faces polaires de l'aimant étant par exemple orientées sensiblement perpendiculairement au plan médian M de l'ongle.The magnet may for example have a wedge shape with sides that converge towards the lunula, the polar faces of the magnet being for example oriented substantially perpendicular to the median plane M of the nail.

Dans la variante de la figure 24, l'aimant 92 présente également une pointe dirigée vers le haut et le support 90 comporte un renfoncement 140 en partie supérieure du montant frontal 105, afin de positionner le doigt ou l'ongle.In the variant of Figure 24, the magnet 92 also has an upwardly directed tip and the support 90 has a recess 140 in the upper portion of the front post 105, to position the finger or the fingernail.

Il peut être avantageux que l'aimant 92 soit en partie supérieure du support 90 car cela peut permettre, par rapport à l'exemple de la figure 23, d'éviter d'avoir à soulever le flacon pour positionner l'ongle ou le doigt sur le support.It may be advantageous for the magnet 92 to be in the upper part of the support 90 because this may allow, compared to the example of FIG. 23, to avoid having to lift the bottle to position the nail or the finger on the support.

L'aimant 92 peut être fixé dans un logement délimité par une surépaisseur du montant frontal 105, l'aimant 92 venant par exemple en appui par ses côtés supérieurs 141 et 142 contre un décrochement du montant frontal 105.The magnet 92 can be fixed in a housing delimited by an excess thickness of the frontal upright 105, the magnet 92 coming for example to bear by its upper sides 141 and 142 against a recess of the frontal upright 105.

Les exemples des figures 25, 26, 27 et 28 diffèrent de celui de la figure 24 par l'aspect du montant frontal 105.The examples of FIGS. 25, 26, 27 and 28 differ from that of FIG. 24 in the appearance of the frontal upright 105.

Dans l'exemple de la figure 26, une légère concavité 150 est formée entre deux bandes latérales 151 plus épaisses, ce qui peut faciliter le repérage visuel pour l'utilisateur de l'emplacement où mettre l'ongle.In the example of Fig. 26, a slight concavity 150 is formed between two thicker sidebands 151, which may facilitate visual identification for the user of where to put the fingernail.

Dans l'exemple de la figure 27, les bandes 151 ont des extrémités biseautées qui viennent dans le prolongement des côtés 141 et 142 de l'aimant 92.In the example of FIG. 27, the strips 151 have beveled ends which are in line with the sides 141 and 142 of the magnet 92.

Dans l'exemple de la figure 28, les bandes 151 s'étendent sur sensiblement toute la hauteur du support 90.In the example of FIG. 28, the strips 151 extend over substantially the entire height of the support 90.

Dans l'exemple de la figure 29, le montant frontal 105 comporte une nervure centrale 160 en partie supérieure et l'aimant 92 vient par ses côtés 141 et 142 en appui contre une fourche formée à l'extrémité inférieure de la nervure 160. Cette dernière présente un renfoncement 95 en partie supérieure, légèrement concave vers l'avant et qui permet de positionner l'ongle.In the example of FIG. 29, the frontal upright 105 has a central rib 160 at the top and the magnet 92 comes from its sides 141 and 142 resting against a fork formed at the lower end of the rib 160. last has a recess 95 in the upper part, slightly concave forward and which allows to position the nail.

Dans tous les exemples où le support présente une forme générale de cavalier, les ailes latérales 120 et 121 peuvent comporter à leur extrémité un retour en direction de l'autre aile afin de permettre le maintien du support 90 sur le flacon.In all examples where the support has a general shape of jumper, the lateral wings 120 and 121 may have at their end a return towards the other wing to allow the maintenance of the support 90 on the bottle.

Les supports représentés sur les figures 31 à 34 comportent un tel retour, sous la forme d'un rebord 98 parallèle au montant frontal. Dans une variante non illustrée, le retour se présente sous la forme d'une nervure chanfreinée.The supports shown in FIGS. 31 to 34 comprise such a return, in the form of a rim 98 parallel to the front upright. In a variant not shown, the return is in the form of a chamfered rib.

Les ailes peuvent comporter, comme illustré à la figure 32, au moins un relief tel qu'un bossage 99, permettant un encliquetage du support sur le flacon 2 au terme d'un mouvement de coulissement selon l'axe longitudinal du flacon 2.The wings may comprise, as illustrated in Figure 32, at least one relief such as a boss 99, allowing a snap of the support on the bottle 2 at the end of a sliding movement along the longitudinal axis of the bottle 2.

L'ergot 96, lorsque présent, peut s'étendre sur toute la largeur du montant frontal 105 comme illustré à la figure 31. On peut discerner sur cette figure des retours 165, formés à l'extrémité avant des nervures 107 et 108, pour le maintien de l'aimant 92, non apparent sur cette figure. On peut également discerner des reliefs 70 tels que des bossages, réalisés sur les faces en regard des nervures, afin par exemple de retenir par friction l'aimant dans le logement 97 correspondant du support.The lug 96, when present, may extend over the entire width of the frontal upright 105 as illustrated in FIG. 31. In this figure, it is possible to discern returns 165, formed at the front end of the ribs 107 and 108, for the maintenance of the magnet 92, not shown in this figure. It is also possible to discern reliefs 70 such as bosses, made on the opposite faces of the ribs, for example to frictionally retain the magnet in the corresponding housing 97 of the support.

En variante ou additionnellement, les nervures peuvent comporter des reliefs en creux afin de former des pièges à colle.Alternatively or additionally, the ribs may comprise recessed reliefs to form glue traps.

Dans l'exemple de la figure 31, l'aimant est par exemple mis en place dans le logement 97 formé entre les nervures 107 et 108, en étant introduit par l'avant et par dessus.In the example of Figure 31, the magnet is for example placed in the housing 97 formed between the ribs 107 and 108, being introduced from the front and over.

Dans l'exemple de la figure 32, on voit que le logement 97 débouche inférieurement sur le support et l'aimant peut être introduit par l'ouverture correspondante 182.In the example of FIG. 32, it can be seen that the housing 97 opens out lower on the support and the magnet can be introduced through the corresponding opening 182.

Dans l'exemple de la figure 33, l'ergot 96 présente un bord avant sensiblement plat et parallèle au montant frontal 105.In the example of FIG. 33, the lug 96 has a front edge that is substantially flat and parallel to the front upright 105.

Dans l'exemple de la figure 34, l'ergot 96 présente une largeur moindre que la distance séparant les nervures 107 et 108. Le bord supérieur du support peut être chanfreiné, notamment du côté de la face intérieure du montant frontal 105 ou dans le coin supérieur des ailes 120 et 121, afin de faciliter la mise en place du flacon, améliorer l'esthétique et diminuer la vulnérabilité aux chocs du support.In the example of Figure 34, the lug 96 has a width less than the distance between the ribs 107 and 108. The upper edge of the support can be chamfered, in particular on the side of the inner face of the frontal amount 105 or in the upper corner of the wings 120 and 121, to facilitate the introduction of the bottle, improve the aesthetics and reduce the vulnerability to shock support.

Bien entendu, on peut combiner entre elles les différentes particularités de réalisation des exemples illustrés et notamment prévoir dans une variante non illustrée que l'un des moyens de montage du support sur le récipient soit combiné avec l'un quelconque des moyens de montage de l'aimant sur le support et l'un quelconque des moyens de positionnement de l'ongle relativement à l'aimant.Of course, the various embodiments of the examples illustrated can be combined with one another and in particular provide in a non-illustrated variant that one of the means for mounting the support on the receptacle is combined with any one of the mounting means of the invention. magnet on the support and any one of the nail positioning means relative to the magnet.

Le support 90 peut comporter, dans l'un quelconque des exemples des figures 16 à 34, une information représentative d'un motif pouvant être réalisé, par exemple sous la forme d'un décor réalisé avec la composition ou reproduit sur une étiquette collée sur le support ou par une impression du support.The support 90 may comprise, in any of the examples of FIGS. 16 to 34, information representative of a pattern that can be produced, for example in the form of a decoration made with the composition or reproduced on a label stuck on the support or by an impression of the support.

Le support 90 peut présenter une forme autre, adaptée par exemple à un flacon 2 dont le corps est de forme cylindrique ou tronconique.The support 90 may have a different shape, adapted for example to a bottle 2 whose body is cylindrical or frustoconical.

Le support 90 peut être réalisé, le cas échéant, avec une articulation et une partie mobile pouvant être pivotée entre une configuration permettant la mise en place du support sur le flacon et une position de maintien du flacon sur le support.The support 90 can be made, if necessary, with a hinge and a movable portion pivotable between a configuration for placing the support on the bottle and a holding position of the bottle on the support.

On peut munir le support de plusieurs aimants, ces derniers présentant par exemple des propriétés magnétiques différentes afin de créer des décors différents.The support can be provided with several magnets, the latter having, for example, different magnetic properties in order to create different decorations.

Le cas échéant, le support peut être réalisé avec une partie réglable permettant de l'adapter à plusieurs tailles de flacons et/ou plusieurs tailles de doigts ou d'ongles et/ou plusieurs types de décors à réaliser.If necessary, the support can be made with an adjustable part to adapt it to several sizes of bottles and / or several sizes of fingers or nails and / or several types of decorations to achieve.

Dans les variantes illustrées aux figures 16 à 29, le dispositif comporte un applicateur 3 ayant une tige munie à une extrémité d'un élément d'application tel qu'un pinceau et à une autre extrémité d'un organe de préhension qui constitue également le capuchon de fermeture du flacon 2.In the variants illustrated in Figures 16 to 29, the device comprises an applicator 3 having a rod provided at one end with an applicator element such as a brush and at another end of a gripping member which is also the closure cap of the bottle 2.

Dans une variante non illustrée, le flacon est dépourvu d'applicateur 3, l'application du produit s'effectuant par exemple autrement qu'au moyen d'un pinceau introduit dans le récipient, par exemple utilisant directement un orifice de distribution du flacon.In a variant not shown, the bottle has no applicator 3, the application of the product being effected for example other than by means of a brush introduced into the container, for example directly using a dispensing orifice of the bottle.

L'invention n'est pas limitée aux exemples de réalisation qui viennent d'être décrits.The invention is not limited to the embodiments which have just been described.

On peut par exemple modifier la forme des aimants permanents et les munir de moyens d'entraînement permettant de les faire tourner autour de leur axe, afin de réaliser des décors en forme de sphère, par exemple.For example, it is possible to modify the shape of the permanent magnets and to provide them with driving means enabling them to be rotated about their axis, in order to produce sphere-shaped decorations, for example.

Les aimants permanents peuvent être remplacés par au moins un électroaimant.Permanent magnets can be replaced by at least one electromagnet.

L'expression « comportant un » doit être comprise comme étant synonyme de « comportant au moins un », sauf si le contraire est spécifié. « récipient » et « flacon » sont synonymes.The expression "having one" shall be understood as being synonymous with "having at least one", unless the opposite is specified. "Container" and "bottle" are synonymous.

Claims (34)

Dispositif magnétique permettant de réaliser un décor sur un ongle sur lequel un dépôt d'une composition comportant des corps magnétiques a été effectué, ce dispositif comportant : - un support comportant au moins une première butée (33) et/ou un renfoncement (140) contre lequel ou laquelle l'ongle et/ou le doigt peut venir en appui, ce support étant agencé pour se fixer sur un flacon contenant la composition, - au moins un aimant permanent (32) ou électroaimant positionné sur le support relativement à la première butée (33) et/ou au renfoncement (140) de manière à exposer le dépôt de composition formé sur l'ongle à un champ magnétique lorsque l'ongle et/ou le doigt est en appui contre la butée et/ou le renfoncement (140). Magnetic device for producing a decoration on a nail on which a deposit of a composition comprising magnetic bodies has been carried out, this device comprising: a support comprising at least a first abutment (33) and / or a recess (140) against which the nail and / or the finger can come into abutment, this support being arranged to attach to a vial containing the composition , at least one permanent magnet (32) or electromagnet positioned on the support relative to the first stop (33) and / or recess (140) so as to expose the deposition of composition formed on the nail to a magnetic field when the nail and / or the finger bears against the abutment and / or the recess (140). Dispositif selon la revendication 1, le support (47) étant pourvu d'une ouverture (48) à engager sur un col du flacon.Device according to claim 1, the support (47) being provided with an opening (48) to engage on a neck of the bottle. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que la première butée (33) comporte un retour (34) permettant un appui de la face intérieure de l'ongle.Device according to claim 1 or 2, characterized in that the first stop (33) comprises a return (34) allowing a support of the inner face of the nail. Dispositif selon l'une quelconque des revendications précédentes, dans lequel le support comporte une deuxième butée (36) agencée pour venir en appui sur le dessus du doigt lorsque l'ongle est introduit dans le champ magnétique de l'aimant ou électroaimant.Device according to any one of the preceding claims, wherein the support comprises a second stop (36) arranged to bear on the top of the finger when the nail is introduced into the magnetic field of the magnet or electromagnet. Dispositif selon la revendication 4, dans lequel la deuxième butée (36) est réglable en hauteur.Device according to claim 4, wherein the second stop (36) is adjustable in height. Ensemble comportant un flacon contenant une composition à appliquer sur les ongles et un dispositif tel que défini dans l'une quelconque des revendications 1 à 5, fixé sur ce flacon.Set comprising a bottle containing a composition to be applied to the nails and a device as defined in any one of claims 1 to 5, fixed on this bottle. Ensemble selon la revendication précédente, comportant un organe (46) de fermeture du flacon, agencé pour maintenir le support (47) sur le col lorsqu'il ferme le flacon.Assembly according to the preceding claim, comprising a member (46) for closing the bottle, arranged to hold the support (47) on the neck when closing the bottle. Ensemble selon la revendication 6, le flacon ayant un corps dont la section transversale est généralement carrée ou rectangulaire.An assembly according to claim 6, the vial having a body whose cross section is generally square or rectangular. Ensemble selon l'une quelconque des revendications 6 à 8, le support comportant deux ailes (120, 121) réunies par un montant frontal (105), le flacon étant engagé entre ces ailes.Assembly according to any one of claims 6 to 8, the support comprising two wings (120, 121) joined by a front post (105), the bottle being engaged between these wings. Ensemble selon la revendication 9, le renfoncement (140) étant défini par le montant frontal (105).An assembly according to claim 9, the recess (140) being defined by the front post (105). Ensemble selon la revendication 9 ou 10, l'une au moins des ailes comportant un retour arrière (98) de retenue du flacon entre les ailes.An assembly according to claim 9 or 10, at least one of the wings having a rear retaining (98) retaining the vial between the wings. Ensemble selon l'une quelconque des revendications 9 à 11, l'une au moins des ailes comportant un relief (99) permettant d'immobiliser par encliquetage le flacon, après introduction de celui-ci par un mouvement de coulissement entre les ailes.Assembly according to any one of claims 9 to 11, at least one of the wings having a relief (99) for immobilizing snap the bottle, after introduction thereof by a sliding movement between the wings. Ensemble selon l'une quelconque des revendications 6 à 8, le support comportant une ouverture permettant sa mise en place sur le col du flacon, ladite ouverture étant réalisée dans une paroi supérieure se raccordant à l'avant à un montant frontal du support.An assembly according to any one of claims 6 to 8, the support having an opening for placing it on the neck of the bottle, said opening being made in an upper wall connecting at the front to a front upright of the support. Ensemble selon la revendication précédente, la paroi supérieure se raccordant à l'arrière à un retour (115) dirigé vers le bas, agencé pour s'appliquer sur une surface arrière du flacon.Assembly according to the preceding claim, the upper wall connecting at the rear to a return (115) directed downwards, arranged to be applied on a rear surface of the bottle. Ensemble selon l'une quelconque des revendications 6 à 8, le support comportant un montant frontal (105) se raccordant inférieurement à une paroi inférieure agencé pour se positionner sous le flacon.Assembly according to any one of claims 6 to 8, the support comprising a front upright (105) connecting lower to a lower wall arranged to be positioned under the bottle. Ensemble selon la revendication précédente, le support comportant une paroi inférieure (122) agencée pour se fixer sur le fond du flacon, notamment par collage.Assembly according to the preceding claim, the support having a bottom wall (122) arranged to attach to the bottom of the bottle, in particular by gluing. Ensemble selon l'une quelconque des revendications 6 à 16, le support comportant un logement, un aimant (92) étant engagé au moins partiellement dans ce logement et étant fixé dans celui-ci par encliquetage et/ou collage.Assembly according to any one of claims 6 to 16, the support comprising a housing, a magnet (92) being engaged at least partially in this housing and being fixed in it by snapping and / or gluing. Ensemble selon la revendication précédente, le logement comportant deux nervures opposées (107, 108) de retenue de l'aimant.Assembly according to the preceding claim, the housing having two opposite ribs (107, 108) for retaining the magnet. Ensemble selon la revendication 17, le logement comportant au moins un relief facilitant le collage de l'aimant, en accueillant la colle.Assembly according to claim 17, the housing comprising at least one relief facilitating the bonding of the magnet, accommodating the glue. Ensemble selon la revendication 17, le logement débouchant inférieurement et/ou entre les ailes éventuelles du support, afin notamment de permettre une mise en place de l'aimant par-dessous et/ou par l'arrière.Assembly according to claim 17, the housing emerging below and / or between the possible wings of the support, in particular to allow a setting up of the magnet from below and / or from the rear. Ensemble selon l'une quelconque des revendications 6 à 20, le support comportant un ergot (96) définissant une première butée pour l'ongle.Assembly according to any one of claims 6 to 20, the support comprising a lug (96) defining a first stop for the nail. Ensemble selon les revendications 17 et 21, le logement étant délimité inférieurement par l'ergot (96).Assembly according to claims 17 and 21, the housing being delimited below by the lug (96). Ensemble selon l'une quelconque des revendications 6 à 22, le support accueillant un aimant (92) avec au moins un côté de celui-ci vertical.An assembly according to any one of claims 6 to 22, the support housing a magnet (92) with at least one side thereof vertical. Ensemble selon l'une quelconque des revendications 6 à 22, le support accueillant un aimant présentant une face avant ayant une forme de losange lorsque le flacon est vertical.An assembly according to any one of claims 6 to 22, the magnet receiving medium having a front having a diamond shape when the bottle is vertical. Ensemble selon la revendication 6, le support comportant un montant frontal présentant supérieurement un renfoncement (140) épousant sensiblement la forme du doigt ou de l'ongle.An assembly according to claim 6, the support having a front post having a recess (140) substantially conforming to the shape of the finger or fingernail. Ensemble selon la revendication 24, l'aimant venant en appui par deux côtés seulement contre un bord d'un logement correspondant du support.An assembly according to claim 24, the magnet bearing on two sides only against an edge of a corresponding housing of the support. Ensemble selon la revendication 21, l'ergot comportant un retour (91) permettant un appui de la face intérieure de l'ongle.Assembly according to claim 21, the lug having a return (91) allowing a support of the inner face of the nail. Procédé de fabrication d'un dispositif magnétique tel que défini à la revendication 1, dans lequel le support est réalisé dans une matière fluide, notamment thermoplastique, pouvant se solidifier et dans lequel avant la solidification de la matière du support des particules magnétiques sont orientées sous l'action d'un champ magnétique afin de se comporter comme un aimant permanent.A method of manufacturing a magnetic device as defined in claim 1, wherein the support is made of a fluid material, especially thermoplastic, which can solidify and in which before the solidification of the support material of the magnetic particles are oriented under the action of a magnetic field to behave like a permanent magnet. Dispositif magnétique permettant de réaliser un décor sur un ongle sur lequel un dépôt d'une composition comportant des corps magnétiques a été effectué, comportant un support et au moins un aimant ou électroaimant porté par le support, ce dernier présentant un logement (71 ; 80 ; 86) pour recevoir l'ongle et étant agencé pour maintenir l'aimant ou électroaimant à une distance prédéfinie de l'ongle présent dans le logement.Magnetic device for producing a decoration on a nail on which a deposit of a composition comprising magnetic bodies has been performed, comprising a support and at least one magnet or electromagnet carried by the support, the latter having a housing (71; 86) for receiving the nail and being arranged to hold the magnet or electromagnet at a predefined distance from the nail present in the housing. Dispositif selon la revendication 29, dans lequel l'aimant (75) ou électroaimant est réglable en hauteur.Device according to claim 29, wherein the magnet (75) or electromagnet is adjustable in height. Dispositif selon la revendication 28 ou 29, comportant deux pattes (70 ; 79) définissant entre elles le logement (71 ; 80).Device according to claim 28 or 29, comprising two lugs (70; 79) defining between them the housing (71; 80). Dispositif magnétique permettant de réaliser un décor sur un ongle sur lequel un dépôt d'une composition comportant des corps magnétiques a été effectué, ce dispositif comportant : - un support (31) comportant au moins une première butée (33) contre lequel ou laquelle l'ongle et/ou le doigt peut venir en appui, - au moins un aimant permanent (32) ou électroaimant positionné sur le support relativement à la première butée (33) de manière à exposer le dépôt de la composition formé sur l'ongle à un champ magnétique lorsque l'ongle et/ou le doigt est en appui contre la butée, - le support comportant une deuxième butée (36) agencée pour venir en appui sur le dessus du doigt lorsque l'ongle est introduit dans le champ magnétique de l'aimant ou électroaimant. Magnetic device for producing a decoration on a nail on which a deposit of a composition comprising magnetic bodies has been carried out, this device comprising: a support (31) comprising at least a first stop (33) against which the nail and / or the finger can come to bear, at least one permanent magnet (32) or electromagnet positioned on the support relative to the first stop (33) so as to expose the deposition of the composition formed on the nail to a magnetic field when the nail and / or the finger is in support against the stop, - The support having a second stop (36) arranged to bear on the top of the finger when the nail is introduced into the magnetic field of the magnet or electromagnet. Procédé de formation d'un décor sur l'ongle, comportant les étapes suivantes : - déposer sur l'ongle une couche d'une composition contenant des corps magnétiques, - soumettre le dépôt à un champ magnétique au moyen d'un dispositif magnétique amené par un mouvement prédéfini dans le voisinage du dépôt, notamment un mouvement de pivotement. A method of forming a decoration on the nail, comprising the steps of: depositing on the nail a layer of a composition containing magnetic bodies, - Subjecting the deposit to a magnetic field by means of a magnetic device brought by a predefined movement in the vicinity of the deposit, including a pivoting movement. Procédé de maquillage de l'ongle comportant les étapes suivantes : - déposer sur l'ongle une couche d'une composition cosmétique contenant des corps magnétiques, - soumettre le dépôt à un champ magnétique présentant un gradient de champ magnétique, de telle manière à créer une modification de l'aspect de la composition avec une variation progressive de l'aspect vers le bord libre de l'ongle. A method of making up the nail comprising the following steps: depositing on the nail a layer of a cosmetic composition containing magnetic bodies, - Subjecting the deposit to a magnetic field having a magnetic field gradient, so as to create a change in the appearance of the composition with a gradual change in appearance towards the free edge of the nail.
EP06300902A 2005-08-30 2006-08-29 Device for storing and applying comprising a magnetic device Not-in-force EP1759610B1 (en)

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FR0552609A FR2889921B1 (en) 2005-08-30 2005-08-30 CONDITIONING AND APPLICATION ASSEMBLY COMPRISING A MAGNETIC DEVICE.

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EP1759610A1 true EP1759610A1 (en) 2007-03-07
EP1759610B1 EP1759610B1 (en) 2010-06-16

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EP (1) EP1759610B1 (en)
JP (1) JP2007061621A (en)
CN (1) CN1994184B (en)
AT (1) ATE471089T1 (en)
BR (1) BRPI0603473B1 (en)
DE (1) DE602006014913D1 (en)
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EP1759610B1 (en) 2010-06-16
BRPI0603473A (en) 2007-04-27
BRPI0603473B1 (en) 2018-01-16
US8544475B2 (en) 2013-10-01
ATE471089T1 (en) 2010-07-15
ES2347461T3 (en) 2010-10-29
FR2889921A1 (en) 2007-03-02
US20070125396A1 (en) 2007-06-07
CN1994184B (en) 2010-12-08
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DE602006014913D1 (en) 2010-07-29
FR2889921B1 (en) 2007-12-28

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