EP1700534A1 - Article to be fixed on the skin or on a fingernail cover - Google Patents

Article to be fixed on the skin or on a fingernail cover Download PDF

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Publication number
EP1700534A1
EP1700534A1 EP06300206A EP06300206A EP1700534A1 EP 1700534 A1 EP1700534 A1 EP 1700534A1 EP 06300206 A EP06300206 A EP 06300206A EP 06300206 A EP06300206 A EP 06300206A EP 1700534 A1 EP1700534 A1 EP 1700534A1
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EP
European Patent Office
Prior art keywords
article
magnetic particles
film
article according
adhesive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06300206A
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German (de)
French (fr)
Inventor
Ludovic Thevenet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1700534A1 publication Critical patent/EP1700534A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C15/00—Other forms of jewellery
    • A44C15/0045—Jewellery specially adapted to be worn on a specific part of the body not fully provided for in groups A44C1/00 - A44C9/00
    • A44C15/0075—Jewellery specially adapted to be worn on a specific part of the body not fully provided for in groups A44C1/00 - A44C9/00 on the hand or nails
    • A44C15/008—Jewellery specially adapted to be worn on a specific part of the body not fully provided for in groups A44C1/00 - A44C9/00 on the hand or nails on the nails
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C15/00—Other forms of jewellery
    • A44C15/0005—Jewelry adherable on the human body
    • 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
    • A45D29/001—Self adhesive nail coating blanks

Definitions

  • the present invention relates to an article for attachment to the skin, superficial body growths or false nails, and a method of manufacturing such an article.
  • the subject of the invention is an article intended to be fixed on the skin, superficial body growths or false nails, comprising magnetic particles oriented in at least one pattern.
  • the article is for example a fly or a false nail, totally or partially covering the nail, or any other ornamental device to be affixed to keratin materials.
  • the magnetic particles may extend over all or part of the article.
  • the appearance of the article depends on the orientation and / or location of the magnetic particles.
  • the invention makes it possible to create new makeup effects, in particular of the skin, superficial body growths or false nails, using the article, the latter having one or more motifs, for example geometric or not, in relief or giving an impression of relief.
  • the article may have a decorative use and / or be intended to camouflage an imperfection of the skin or nails, for example.
  • the magnetic particles may exhibit a fixed orientation within the article, especially at the time of use, that is to say that the exposure of the particles to a magnetic field is no longer likely to change their orientation. visually perceptible manner.
  • the article may comprise at least a first layer of a material comprising the magnetic particles, for example a polymer film, obtained for example by drying a film-forming material containing at least one solvent.
  • a material comprising the magnetic particles for example a polymer film, obtained for example by drying a film-forming material containing at least one solvent.
  • the article For its attachment to the skin, the integuments or false nails, the article may have an adhesive side, which can be covered, before use, with a removable protective film.
  • the adhesive face is defined by at least a second layer of at least one adhesive material. This can be for example chosen so that the article is repositionable.
  • the article may still have adhesive power without the use of a specific adhesive, for example due to the adhesive properties of the first layer.
  • the article is provided to the user without an adhesive face and may be affixed to the skin with the aid of an adhesive, for example a glue or an adhesive film compatible with such use, to deposit on the skin or the article, the integuments or the false nails, before the application of the article.
  • an adhesive for example a glue or an adhesive film compatible with such use
  • the article may partially or completely cover a fingernail or false nail.
  • the article may comprise a protective film arranged to protect the first layer.
  • This protective film can be adhesive and, in the case where the first layer does not completely cover the adhesive side of the protective film, the latter can ensure the maintenance of the article on the nail.
  • the pattern formed by the first layer may in particular be completely surrounded by the adhesive side of the protective film so as to allow it to adhere to the nail all around the pattern.
  • the article can be flexible or substantially rigid.
  • the article may have sufficient flexibility to allow stretching to adjust to the surface of a fingernail, for example.
  • the article has a sensitivity towards organic solvents, allowing its removal by simply removing make-up using a solvent, as opposed to a false nail that took of.
  • the article can be cleansed by solvents, especially organic solvents.
  • the article has a significant behavior over time and especially at the scale of at least several days, or even at least a week.
  • the different layers may have identical or different compositions and / or thicknesses.
  • the magnetic particles of the article according to the invention may comprise a magnetic material selected from the group consisting of: iron, nickel, cobalt, their alloys and oxides, in particular Fe 3 O 4 .
  • the magnetic particles used do not exhibit remanent magnetization in the absence of a magnetic field.
  • the magnetic particles may comprise any magnetic material having sensitivity to the lines of a magnetic field, whether produced by a permanent magnet or 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 be of the "soft" or "hard” type.
  • the magnetic particles 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, in particular Fe 3 O 4 .
  • a magnetic material such as for example iron, nickel, cobalt, their alloys and oxides, in particular Fe 3 O 4 .
  • the magnetic particles have an anisotropic character.
  • the magnetic particles are preferably aspherical, having for example an elongated shape.
  • these particles when these particles are subjected to the magnetic field, especially during the manufacture of the article, 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 by a change of appearance from the anisotropy and creating the pattern (s).
  • the magnetic particles are substantially spherical, preferably their appearance is inhomogeneous, so that a change of orientation induces a change in appearance.
  • the amount of magnetic particles in the article is sufficient for the appearance of the article to depend on their orientation and / or location.
  • the size of the magnetic particles is for example between 1 nm and 700 ⁇ m, for example between 1 ⁇ m and 500 ⁇ m, better still between about 10 ⁇ m and about 150 ⁇ m.
  • dimension is meant the dimension given by the statistical size distribution at half of the population, called D50.
  • the magnetic particles of the article 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, Microna Matte Black (17437), Mica Black (17260), Colorona Patina Silver (17289) and Colorona Patina Gold (17288) from Merck, Gemtone Moonstone (G004) or Chroma-Lite Black (4498) from Engelhard.
  • the article may, in addition to the magnetic particles, comprise at least one dyestuff.
  • the article may contain at least one additive such as a perfume.
  • the article may contain at least one plasticizer.
  • the plasticizer may be chosen from those which migrate very slightly, such as citric acid esters or dioctyl adipate.
  • the formulation of the layer containing the magnetic particles may be similar to that of a conventional nail polish, and may contain, for example, other plasticizers such as phthalates.
  • the article according to the invention may have an adhesive face.
  • Such an adhesive face can be obtained thanks to the presence of at least one layer of at least one adhesive material, in particular chosen from physiologically acceptable adhesive materials for the skin or the nails.
  • the adhesive material may be monolayer or multilayer.
  • the adhesive material may comprise a polymer or a polymeric system that may comprise one or more polymers of different natures.
  • This adhesive material may be in the form of a polymer solution or a dispersion of polymer particles in a solvent.
  • This adhesive material may further contain a plasticizer, if appropriate.
  • the adhesive materials may be adhesive polymers chosen from polyurethanes, acrylic polymers, silicones, butyl gums, in particular from polyisobutylenes, ethylene-vinyl acetate polymers, polyamides optionally modified with fatty chains, natural gums and their mixtures.
  • the adhesive material may be in the form of a layer having for example a thickness of 1 .mu.m to 100 .mu.m and in particular from 1 .mu.m to 50 .mu.m, preferably from 1 .mu.m to 25 .mu.m.
  • the layer formed by the adhesive material is directly in contact with the material comprising the magnetic particles.
  • the adhesive material and the material containing the magnetic particles are compatible due to their chemical nature.
  • the adhesive material may also include, where appropriate, magnetic particles, for example to contribute to the optical effect when the other layers are not completely opaque.
  • the material comprising the magnetic particles may be a film-forming material or not.
  • the magnetic field may be exerted by at least one permanent magnet or at least one electromagnet.
  • the magnetic field may be applied at least during the period when the magnetic particles are movable in the material containing them to form one or more patterns.
  • the layer of material comprising the magnetic particles is advantageously at least partially in fluid form at the time of application of the magnetic field, which takes place before use during the manufacture of the article.
  • the invention further relates, in another aspect, to an assembly comprising at least one article as defined above and a device for packaging the article or articles.
  • the invention further relates, in another of its aspects, a makeup process in which is affixed to the skin, the integuments or false nails an article as defined above.
  • FIGS. 1 and 2 show an article 1 comprising a film 2 comprising magnetic particles and a layer of an adhesive material 3 whose underside constitutes an adhesive face 6 of the article 1.
  • a removable protective film 5 protects this adhesive face 6 before use.
  • article 1 is flexible and intended to be fixed on a natural or synthetic nail.
  • a varnish containing at least one plasticizer and a film-forming polymer, is dissolved in an organic solvent with the magnetic pigments and the other dyestuffs or any fillers, and then applied to the protective film 9.
  • the varnish is dried, with recovery of the solvent and the protective film 9 coated with the film 2 is laminated on the lacquer side with the adhesive film 3 and a removable film 5.
  • the orientation of the particles can be carried out before complete evaporation of the solvent.
  • the magnetic particles, in the example illustrated were oriented under the effect of a magnetic field so as to form a visible pattern M, sphere-shaped in the illustrated example.
  • the protective film 5 is removed and the article 1 is applied to a synthetic or natural nail, as shown in FIG.
  • Article 1 is optionally cut or filed once fixed on the nail, to follow the contours of it.
  • the protective film 5 may be common to a plurality of articles 1, as illustrated in FIG. 4.
  • the number of articles grouped on one and the same protective film 5 may be variable and for example be equal to five, as in FIG. illustrated example.
  • the articles have different sizes and / or shapes to fit the shapes of the different nails of the hand.
  • Article 1 may have a different structure without departing from the scope of the present invention.
  • article 1 is devoid of adhesive material.
  • the article comprising film 2 is fixed for example by means of a glue layer deposited by the user at the time of use on the support to cover the article and / or the article.
  • the article 1 may thus be devoid of removable protective film 5, as also illustrated in FIG. 5, or even of the protective film 9.
  • the article 1 could, for example, be made by molding a thermoplastic material containing the magnetic pigments, and these can be oriented before cooling the thermoplastic material, when it is still fluid.
  • FIG. 6 shows an assembly comprising an article 1 disposed in a packaging device 10 sealed in a sealed manner.
  • Such packaging may be useful to prevent the article from being degraded during storage.
  • the layer 3 of adhesive material of the example of Figure 2 can be removed, if necessary (variant not shown).
  • Figure 7 illustrates another example of article 1 according to the invention, constituting a fly, preferably flexible, to fix on the skin.
  • Article 1 of Figure 8 is a false nail substantially rigid, possibly free of adhesive material and to stick on a fingernail.
  • the film 2 containing the magnetic particles is covered by a protective film 9 coated on one side with an adhesive layer 3.
  • the film 9 overflows around the film 2 so as to ensure the fixation on the skin, a fingernail or a false nail.
  • the adhesive layer 3 Prior to use, the adhesive layer 3 may be protected by a releasable release liner.
  • the article may comprise a plurality of patterns, different or different.

Abstract

The article has a film (2) comprising magnetic particles oriented as a visible pattern, and an adhesive surface defined by an adhesive layer. The film (2) is obtained by drying a film-forming material containing a solvent. A protective film (9) is covered on a surface of the adhesive layer. The film (9) sticks around the film (2) in a manner so as to assure the fixation of the article on the skin, fingernail or artificial fingernail. Independent claims are also included for the following: (1) a method of fabricating an article destined to be fixed on keratinous materials such as the skin or fingernails (2) an assembly comprising an article and a device for packaging articles (3) a make-up method.

Description

La présente invention concerne un article destiné à être fixé sur la peau, les phanères ou de faux ongles, ainsi qu'un procédé de fabrication d'un tel article.The present invention relates to an article for attachment to the skin, superficial body growths or false nails, and a method of manufacturing such an article.

Il existe un besoin pour bénéficier de nouveaux effets optiques dans le domaine du maquillage et l'invention vise notamment à répondre à ce besoin.There is a need to benefit from new optical effects in the field of makeup and the invention aims in particular to meet this need.

Articlearticle

Selon l'un de ses aspects, l'invention a pour objet un article destiné à être fixé sur la peau, les phanères ou de faux ongles, comportant des particules magnétiques orientées selon au moins un motif.According to one of its aspects, the subject of the invention is an article intended to be fixed on the skin, superficial body growths or false nails, comprising magnetic particles oriented in at least one pattern.

L'article est par exemple une mouche ou un faux ongle, recouvrant totalement ou partiellement l'ongle, ou tout autre dispositif ornemental à apposer sur les matières kératiniques.The article is for example a fly or a false nail, totally or partially covering the nail, or any other ornamental device to be affixed to keratin materials.

Les particules magnétiques peuvent s'étendre sur tout ou partie de l'article.The magnetic particles may extend over all or part of the article.

L'aspect de l'article dépend de l'orientation et/ou de l'emplacement des particules magnétiques. L'invention rend possible de créer de nouveaux effets de maquillage, notamment de la peau, des phanères ou de faux ongles, à l'aide de l'article, celui-ci présentant un ou plusieurs motifs, par exemple géométriques ou non, en relief ou conférant une impression de relief.The appearance of the article depends on the orientation and / or location of the magnetic particles. The invention makes it possible to create new makeup effects, in particular of the skin, superficial body growths or false nails, using the article, the latter having one or more motifs, for example geometric or not, in relief or giving an impression of relief.

L'article peut avoir un usage décoratif et/ou être destiné à camoufler une imperfection de la peau ou des ongles, par exemple.The article may have a decorative use and / or be intended to camouflage an imperfection of the skin or nails, for example.

Les particules magnétiques peuvent présenter une orientation figée au sein de l'article, notamment au moment de l'utilisation, c'est-à-dire que l'exposition des particules à un champ magnétique n'est plus susceptible de modifier leur orientation de manière perceptible visuellement.The magnetic particles may exhibit a fixed orientation within the article, especially at the time of use, that is to say that the exposure of the particles to a magnetic field is no longer likely to change their orientation. visually perceptible manner.

L'article peut comporter au moins une première couche d'un matériau comprenant les particules magnétiques, par exemple un film polymère, obtenu par exemple par séchage d'un matériau filmogène contenant au moins un solvant.The article may comprise at least a first layer of a material comprising the magnetic particles, for example a polymer film, obtained for example by drying a film-forming material containing at least one solvent.

Pour sa fixation sur la peau, les phanères ou de faux ongles, l'article peut présenter une face adhésive, laquelle peut être recouverte, avant utilisation, d'une pellicule de protection amovible.For its attachment to the skin, the integuments or false nails, the article may have an adhesive side, which can be covered, before use, with a removable protective film.

Dans un exemple de mise en oeuvre de l'invention, la face adhésive est définie par au moins une deuxième couche d'au moins un matériau adhésif. Celui-ci peut être par exemple choisi de telle sorte que l'article soit repositionnable.In an exemplary implementation of the invention, the adhesive face is defined by at least a second layer of at least one adhesive material. This can be for example chosen so that the article is repositionable.

L'article peut encore présenter un pouvoir adhésif sans utilisation d'un adhésif spécifique, grâce par exemple à des propriétés adhésives de la première couche.The article may still have adhesive power without the use of a specific adhesive, for example due to the adhesive properties of the first layer.

Dans un autre mode de réalisation, l'article est fourni à l'utilisateur dépourvu de face adhésive et peut être fixé sur la peau à l'aide d'un adhésif, par exemple une colle ou un film adhésif compatible avec un tel usage, à déposer sur la peau ou l'article, les phanères ou les faux ongles, avant l'application de l'article.In another embodiment, the article is provided to the user without an adhesive face and may be affixed to the skin with the aid of an adhesive, for example a glue or an adhesive film compatible with such use, to deposit on the skin or the article, the integuments or the false nails, before the application of the article.

L'article peut recouvrir partiellement ou totalement un ongle ou un faux ongle.The article may partially or completely cover a fingernail or false nail.

L'article peut comporter un film de protection agencé pour protéger la première couche.The article may comprise a protective film arranged to protect the first layer.

Ce film de protection peut être adhésif et, dans le cas où la première couche ne recouvre pas en totalité la face adhésive du film de protection, ce dernier peut assurer le maintien de l'article sur l'ongle.This protective film can be adhesive and, in the case where the first layer does not completely cover the adhesive side of the protective film, the latter can ensure the maintenance of the article on the nail.

Le motif formé par la première couche peut notamment être entouré entièrement par la face adhésive du film de protection de manière à permettre à celui-ci d'adhérer sur l'ongle tout autour du motif.The pattern formed by the first layer may in particular be completely surrounded by the adhesive side of the protective film so as to allow it to adhere to the nail all around the pattern.

L'article peut être souple ou sensiblement rigide. L'article peut présenter une flexibilité suffisante pour permettre un étirement permettant de l'ajuster à la surface d'un ongle, par exemple.The article can be flexible or substantially rigid. The article may have sufficient flexibility to allow stretching to adjust to the surface of a fingernail, for example.

Dans un exemple de mise en oeuvre de l'invention, l'article présente une sensibilité vis-à-vis des solvants organiques, permettant son élimination par simple démaquillage à l'aide d'un dissolvant, par opposition à un faux ongle qui se retire. Ainsi, l'article peut être démaquillable par des solvants, notamment organiques.In an exemplary implementation of the invention, the article has a sensitivity towards organic solvents, allowing its removal by simply removing make-up using a solvent, as opposed to a false nail that took of. Thus, the article can be cleansed by solvents, especially organic solvents.

Avantageusement, l'article présente une tenue dans le temps significative et notamment à l'échelle d'au moins plusieurs jours, voire au moins une semaine.Advantageously, the article has a significant behavior over time and especially at the scale of at least several days, or even at least a week.

Les brevets US 5 415 903 , US 5 525 389 ou US 4 903 840 , dont le contenu est incorporé à la présente par référence, décrivent des exemples de procédés de fabrication d'articles adhésifs dont certaines étapes au moins peuvent être reprises pour la fabrication d'articles conformes à l'invention.Licences US 5,415,903 , US 5,525,389 or US 4,903,840 , the contents of which are incorporated herein by reference, describe examples of methods of manufacturing adhesive articles at least some steps can be taken again for the manufacture of articles according to the invention.

Dans le cas d'une structure multicouche, les différentes couches peuvent présenter des compositions et/ou épaisseurs identiques ou différentes.In the case of a multilayer structure, the different layers may have identical or different compositions and / or thicknesses.

Particules magnétiquesMagnetic particles

Les particules magnétiques de l'article selon l'invention peuvent comporter un matériau magnétique choisi dans le groupe constitué par : le fer, le nickel, le cobalt, leurs alliages et oxydes, notamment Fe3O4. De préférence, les particules magnétiques utilisées ne présentent pas d'aimantation rémanente en l'absence de champ magnétique.The magnetic particles of the article according to the invention may comprise a magnetic material selected from the group consisting of: iron, nickel, cobalt, their alloys and oxides, in particular Fe 3 O 4 . Preferably, the magnetic particles used do not exhibit remanent magnetization in the absence of a magnetic field.

Les particules magnétiques peuvent comporter tout matériau magnétique présentant une sensibilité aux lignes d'un champ magnétique, qu'il 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 être de type « doux » ou « dur ».The magnetic particles may comprise any magnetic material having sensitivity to the lines of a magnetic field, whether produced by a permanent magnet or 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 be of the "soft" or "hard" type.

Les particules 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 particles 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, in particular Fe 3 O 4 .

Dans des exemples de mise en oeuvre de l'invention, les particules magnétiques présentent un caractère anisotrope. Les particules magnétiques sont de préférence asphériques, présentant par exemple une forme allongée. Ainsi, lorsque ces particules sont soumises au champ magnétique, notamment lors de la fabrication de l'article, elles 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 provenant de l'anisotropie et créant le ou les motifs.In exemplary embodiments of the invention, the magnetic particles have an anisotropic character. The magnetic particles are preferably aspherical, having for example an elongated shape. Thus, when these particles are subjected to the magnetic field, especially during the manufacture of the article, 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 by a change of appearance from the anisotropy and creating the pattern (s).

Lorsque les particules magnétiques sont sensiblement sphériques, de préférence leur aspect est inhomogène, de manière à ce qu'un changement d'orientation induise un changement d'aspect. La quantité de particules magnétiques dans l'article est suffisante pour que l'aspect de l'article puisse dépendre de leur orientation et/ou de leur emplacement.When the magnetic particles are substantially spherical, preferably their appearance is inhomogeneous, so that a change of orientation induces a change in appearance. The amount of magnetic particles in the article is sufficient for the appearance of the article to depend on their orientation and / or location.

La dimension des particules magnétiques est par exemple comprise entre 1 nm et 700 µm, par exemple entre 1 µm et 500 µm, mieux encore entre environ 10 µm et environ 150 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 particles is for example between 1 nm and 700 μm, for example between 1 μm and 500 μm, better still between about 10 μm and about 150 μm. By "dimension" is meant the dimension given by the statistical size distribution at half of the population, called D50.

Les particules magnétiques de l'article 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, Microna Matte Black (17437), Mica Black (17260), Colorona Patina Silver (17289) et Colorona Patina Gold (17288) de la société MERCK, Gemtone Moonstone (G 004) ou Chroma-Lite Black (4498) de la société ENGELHARD.The magnetic particles of the article 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, Microna Matte Black (17437), Mica Black (17260), Colorona Patina Silver (17289) and Colorona Patina Gold (17288) from Merck, Gemtone Moonstone (G004) or Chroma-Lite Black (4498) from Engelhard.

Autres composantsOther components

L'article peut, outre les particules magnétiques, comporter au moins une matière colorante. L'article peut contenir au moins un additif tel qu'un parfum.The article may, in addition to the magnetic particles, comprise at least one dyestuff. The article may contain at least one additive such as a perfume.

L'article peut contenir au moins un plastifiant. Le plastifiant peut être choisi parmi ceux qui migrent très faiblement, tels que les esters d'acide citrique ou l'adipate de dioctyle.The article may contain at least one plasticizer. The plasticizer may be chosen from those which migrate very slightly, such as citric acid esters or dioctyl adipate.

La formulation de la couche contenant les particules magnétiques peut être similaire à celle d'un vernis à ongles conventionnel, et contenir par exemple d'autres plastifiants tels que des phtalates.The formulation of the layer containing the magnetic particles may be similar to that of a conventional nail polish, and may contain, for example, other plasticizers such as phthalates.

Matériau adhésifAdhesive material

Comme évoqué plus haut, l'article selon l'invention peut posséder une face adhésive. Une telle face adhésive peut être obtenue grâce à la présence d'au moins une couche d'au moins un matériau adhésif, notamment choisi parmi les matériaux adhésifs physiologiquement acceptables pour la peau ou les ongles. Le matériau adhésif peut être monocouche ou multicouche.As mentioned above, the article according to the invention may have an adhesive face. Such an adhesive face can be obtained thanks to the presence of at least one layer of at least one adhesive material, in particular chosen from physiologically acceptable adhesive materials for the skin or the nails. The adhesive material may be monolayer or multilayer.

Le matériau adhésif peut comporter un polymère ou un système polymérique pouvant comprendre un ou plusieurs polymères de natures différentes. Ce matériau adhésif peut se présenter sous forme d'une solution de polymère ou d'une dispersion de particules de polymères dans un solvant. Ce matériau adhésif peut en outre contenir un plastifiant, le cas échéant.The adhesive material may comprise a polymer or a polymeric system that may comprise one or more polymers of different natures. This adhesive material may be in the form of a polymer solution or a dispersion of polymer particles in a solvent. This adhesive material may further contain a plasticizer, if appropriate.

Les matériaux adhésifs peuvent être des polymères adhésifs choisis parmi les polyuréthannes, les polymères acryliques, les silicones, les gommes butyliques, notamment parmi les polyisobutylènes, les polymères éthylène-acétate de vinyle, les polyamides éventuellement modifiés par des chaînes grasses, les gommes naturelles et leur mélanges.The adhesive materials may be adhesive polymers chosen from polyurethanes, acrylic polymers, silicones, butyl gums, in particular from polyisobutylenes, ethylene-vinyl acetate polymers, polyamides optionally modified with fatty chains, natural gums and their mixtures.

Le matériau adhésif peut être sous la forme d'une couche ayant par exemple une épaisseur de 1 µm à 100 µm et en particulier de 1 µm à 50 µm, de préférence de 1 µm à 25 µm.The adhesive material may be in the form of a layer having for example a thickness of 1 .mu.m to 100 .mu.m and in particular from 1 .mu.m to 50 .mu.m, preferably from 1 .mu.m to 25 .mu.m.

Selon un mode de réalisation particulier de l'invention, la couche formée par le matériau adhésif est directement en contact avec le matériau comprenant les particules magnétiques.According to a particular embodiment of the invention, the layer formed by the adhesive material is directly in contact with the material comprising the magnetic particles.

Avantageusement, le matériau adhésif et le matériau contenant les particules magnétiques présentent une compatibilité grâce à leur nature chimique.Advantageously, the adhesive material and the material containing the magnetic particles are compatible due to their chemical nature.

Le matériau adhésif peut comprendre également, le cas échéant, des particules magnétiques, afin par exemple de contribuer à l'effet optique lorsque les autres couches ne sont pas complètement opaques.The adhesive material may also include, where appropriate, magnetic particles, for example to contribute to the optical effect when the other layers are not completely opaque.

Procédé de fabricationManufacturing process

Selon un autre de ses aspects, l'invention a encore pour objet un procédé de fabrication d'un article destiné à être fixé sur la peau, les phanères ou de faux ongles, comportant :

  • la formation, ailleurs que sur la surface sur laquelle l'article est destiné à être appliqué, d'au moins une couche d'un matériau comportant des particules magnétiques mobiles sous l'effet d'un champ magnétique,
  • l'exposition, avant séchage ou refroidissement de la couche, à un champ magnétique des particules magnétiques de manière à orienter et/ou déplacer au moins une partie desdites particules magnétiques pour former un motif.
According to another of its aspects, the invention also relates to a method of manufacturing an article intended to be fixed on the skin, superficial body growths or false nails, comprising:
  • the formation, other than on the surface on which the article is intended to be applied, of at least one layer of a material comprising magnetic particles moving under the effect of a magnetic field,
  • exposing, prior to drying or cooling of the layer, a magnetic field of the magnetic particles so as to orient and / or move at least a portion of said magnetic particles to form a pattern.

Le matériau comportant les particules magnétiques peut être un matériau filmogène ou non.The material comprising the magnetic particles may be a film-forming material or not.

Lors de la mise en oeuvre du procédé de fabrication de l'article, le champ magnétique peut être exercé par au moins un aimant permanent ou par au moins un électroaimant.During the implementation of the method of manufacturing the article, the magnetic field may be exerted by at least one permanent magnet or at least one electromagnet.

Le champ magnétique peut être appliqué au moins pendant la période où les particules magnétiques sont mobiles dans le matériau qui les contient de manière à former un ou plusieurs motifs. Pour cela, la couche de matériau comportant les particules magnétiques est avantageusement au moins partiellement sous forme fluide au moment de l'application du champ magnétique, qui a lieu avant l'utilisation lors de la fabrication de l'article.The magnetic field may be applied at least during the period when the magnetic particles are movable in the material containing them to form one or more patterns. For this, the layer of material comprising the magnetic particles is advantageously at least partially in fluid form at the time of application of the magnetic field, which takes place before use during the manufacture of the article.

EnsembleTogether

L'invention a encore pour objet, selon un autre de ses aspects, un ensemble comportant au moins un article tel que défini plus haut et un dispositif de conditionnement du ou des articles.The invention further relates, in another aspect, to an assembly comprising at least one article as defined above and a device for packaging the article or articles.

Procédé de maquillageMakeup process

L'invention a encore pour objet, selon un autre de ses aspects, un procédé de maquillage dans lequel on fixe sur la peau, les phanères ou de faux ongles un article tel que défini plus haut.The invention further relates, in another of its aspects, a makeup process in which is affixed to the skin, the integuments or false nails an article as defined above.

ExemplesExamples

L'invention pourra être mieux comprise à la lecture de la description détaillée qui va suivre, d'exemples non limitatifs de mise en oeuvre de celle-ci, ainsi qu'à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente, de manière schématique, un exemple d'article selon l'invention,
  • la figure 2 représente, en coupe axiale, schématique, l'article de la figure 1,
  • la figure 3 illustre de manière schématique l'utilisation de l'article,
  • la figure 4 représente de manière schématique une pluralité d'articles selon l'invention,
  • la figure 5 représente, en coupe axiale, de manière schématique, un autre exemple d'article selon l'invention,
  • la figure 6 représente de manière schématique un exemple d'article selon l'invention, dans un dispositif de conditionnement,
  • les figures 7 et 8 représentent, de manière schématique, deux autres exemples d'articles selon l'invention, et
  • la figure 9 est une vue analogue à la figure 2 d'une variante de réalisation.
The invention will be better understood on reading the following detailed description, non-limiting examples of implementation thereof, as well as on examining the appended drawing, in which:
  • FIG. 1 represents, schematically, an example of an article according to the invention,
  • FIG. 2 is a diagrammatic axial section of the article of FIG.
  • FIG. 3 schematically illustrates the use of the article,
  • FIG. 4 schematically represents a plurality of articles according to the invention,
  • FIG. 5 represents, in axial section, schematically, another example of an article according to the invention,
  • FIG. 6 schematically represents an example of an article according to the invention, in a packaging device,
  • Figures 7 and 8 show schematically two other examples of articles according to the invention, and
  • Figure 9 is a view similar to Figure 2 of an alternative embodiment.

On a représenté sur les figures 1 et 2 un article 1 comportant un film 2 comportant des particules magnétiques et une couche d'un matériau adhésif 3 dont la face inférieure constitue une face adhésive 6 de l'article 1. Une pellicule de protection 5 amovible protège cette face adhésive 6 avant l'utilisation.FIGS. 1 and 2 show an article 1 comprising a film 2 comprising magnetic particles and a layer of an adhesive material 3 whose underside constitutes an adhesive face 6 of the article 1. A removable protective film 5 protects this adhesive face 6 before use.

Un film de protection 9, transparent dans l'exemple illustré, couvre le film 2 afm de le protéger.A protective film 9, transparent in the example shown, covers the film 2 to protect it.

Dans l'exemple illustré, l'article 1 est souple et destiné à être fixé sur un ongle naturel ou synthétique.In the illustrated example, article 1 is flexible and intended to be fixed on a natural or synthetic nail.

Le brevet US 5 415 903 , dont le contenu est incorporé à la présente par référence, décrit un procédé pouvant être utilisé pour réaliser l'article.The patent US 5,415,903 , the contents of which are hereby incorporated by reference, disclose a method that can be used to make the article.

Un vernis, contenant au moins un plastifiant et un polymère filmogène, est dissout dans un solvant organique avec les pigments magnétiques et les autres matières colorantes ou charges éventuelles, puis appliqué sur le film de protection 9. Le vernis est séché, avec récupération du solvant, et le film de protection 9 revêtu du film 2 est laminé du côté du vernis avec le film adhésif 3 et une pellicule amovible 5.A varnish, containing at least one plasticizer and a film-forming polymer, is dissolved in an organic solvent with the magnetic pigments and the other dyestuffs or any fillers, and then applied to the protective film 9. The varnish is dried, with recovery of the solvent and the protective film 9 coated with the film 2 is laminated on the lacquer side with the adhesive film 3 and a removable film 5.

L'orientation des particules peut s'effectuer avant évaporation complète du solvant. Les particules magnétiques, dans l'exemple illustré, ont été orientées sous l'effet d'un champ magnétique de manière à former un motif visible M, en forme de sphère dans l'exemple illustré.The orientation of the particles can be carried out before complete evaporation of the solvent. The magnetic particles, in the example illustrated, were oriented under the effect of a magnetic field so as to form a visible pattern M, sphere-shaped in the illustrated example.

Lors de l'utilisation, la pellicule de protection 5 est retirée et l'article 1 est appliqué sur un ongle synthétique ou naturel, comme illustré sur la figure 3.In use, the protective film 5 is removed and the article 1 is applied to a synthetic or natural nail, as shown in FIG.

L'article 1 est éventuellement découpé ou limé une fois fixé sur l'ongle, afm de suivre les contours de celui-ci.Article 1 is optionally cut or filed once fixed on the nail, to follow the contours of it.

La pellicule de protection 5 peut être commune à une pluralité d'articles 1, comme illustré sur la figure 4. Le nombre d'articles regroupés sur une même pellicule de protection 5 peut être variable et par exemple être égal à cinq, comme dans l'exemple illustré. Dans une variante non illustrée, les articles présentent des tailles et/ou formes différentes pour s'adapter aux formes des différents ongles de la main.The protective film 5 may be common to a plurality of articles 1, as illustrated in FIG. 4. The number of articles grouped on one and the same protective film 5 may be variable and for example be equal to five, as in FIG. illustrated example. In a variant not illustrated, the articles have different sizes and / or shapes to fit the shapes of the different nails of the hand.

L'article 1 peut présenter une structure différente sans que l'on sorte du cadre de la présente invention.Article 1 may have a different structure without departing from the scope of the present invention.

Dans une variante, illustrée sur la figure 5, l'article 1 est dépourvu de matériau adhésif. Dans ce cas, l'article comportant le film 2 est fixé par exemple à l'aide d'une couche de colle déposée par l'utilisateur au moment de l'utilisation sur le support à recouvrir de l'article et/ou sur l'article.In a variant, illustrated in FIG. 5, article 1 is devoid of adhesive material. In this case, the article comprising film 2 is fixed for example by means of a glue layer deposited by the user at the time of use on the support to cover the article and / or the article.

L'article 1 peut ainsi être dépourvu de pellicule de protection amovible 5, comme illustré également sur la figure 5, voire du film protecteur 9.The article 1 may thus be devoid of removable protective film 5, as also illustrated in FIG. 5, or even of the protective film 9.

L'article 1 pourrait encore, par exemple, être réalisé par moulage d'une matière thermoplastique contenant les pigments magnétiques, et ceux-ci peuvent être orientés avant refroidissement de la matière thermoplastique, quand celle-ci est encore fluide.The article 1 could, for example, be made by molding a thermoplastic material containing the magnetic pigments, and these can be oriented before cooling the thermoplastic material, when it is still fluid.

On a représenté sur la figure 6 un ensemble comportant un article 1 disposé dans un dispositif de conditionnement 10 fermé de manière étanche.FIG. 6 shows an assembly comprising an article 1 disposed in a packaging device 10 sealed in a sealed manner.

Un tel conditionnement peut s'avérer utile pour éviter que l'article ne se dégrade pendant le stockage.Such packaging may be useful to prevent the article from being degraded during storage.

Lorsque le film 2 présente des propriétés adhésives, la couche 3 de matériau adhésif de l'exemple de la figure 2 peut être supprimée, le cas échéant (variante non représentée).When the film 2 has adhesive properties, the layer 3 of adhesive material of the example of Figure 2 can be removed, if necessary (variant not shown).

La figure 7 illustre un autre exemple d'article 1 selon l'invention, constituant une mouche, de préférence souple, à fixer sur la peau.Figure 7 illustrates another example of article 1 according to the invention, constituting a fly, preferably flexible, to fix on the skin.

L'article 1 de la figure 8 constitue un faux ongle sensiblement rigide, éventuellement dépourvu de matériau adhésif et à coller sur un ongle.Article 1 of Figure 8 is a false nail substantially rigid, possibly free of adhesive material and to stick on a fingernail.

Dans l'exemple de réalisation illustré à la figure 9, le film 2 contenant les particules magnétiques est recouvert par un film de protection 9 revêtu sur une face d'une couche adhésive 3.In the embodiment illustrated in FIG. 9, the film 2 containing the magnetic particles is covered by a protective film 9 coated on one side with an adhesive layer 3.

Le film 9 déborde autour du film 2 de manière à assurer la fixation sur la peau, un ongle ou un faux ongle.The film 9 overflows around the film 2 so as to ensure the fixation on the skin, a fingernail or a false nail.

Avant l'utilisation, la couche adhésive 3 peut être protégée par une pellicule de protection amovible 5 anti-adhésive.Prior to use, the adhesive layer 3 may be protected by a releasable release liner.

Bien entendu, l'invention n'est pas limitée aux exemples qui viennent d'être décrits.Of course, the invention is not limited to the examples which have just been described.

Par exemple, l'article peut comporter une pluralité de motifs, différents ou non.For example, the article may comprise a plurality of patterns, different or different.

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

Claims (18)

Article (1) destiné à être fixé sur les matières kératiniques, notamment la peau, ou les ongles, comportant des particules magnétiques orientées selon au moins un motif (M).Article (1) intended to be fixed on keratin materials, in particular the skin, or nails, comprising magnetic particles oriented in at least one pattern (M). Article selon la revendication 1, caractérisé par le fait qu'il présente une face adhésive (6).Article according to Claim 1, characterized in that it has an adhesive face (6). Article selon l'une des revendications 1 et 2, caractérisé par le fait qu'il comporte un film (2) comprenant lesdites particules magnétiques.Article according to one of claims 1 and 2, characterized in that it comprises a film (2) comprising said magnetic particles. Article selon la revendication 3, caractérisé par le fait que le film (2) est obtenu par séchage d'un matériau filmogène contenant au moins un solvant.Article according to Claim 3, characterized in that the film (2) is obtained by drying a film-forming material containing at least one solvent. Article selon l'une quelconque des revendications précédentes, caractérisé par le fait que les particules magnétiques comportent un matériau magnétique choisi dans le groupe constitué par : le fer, le nickel, le cobalt, leurs alliages et oxydes, notamment Fe3O4.Article according to any one of the preceding claims, characterized in that the magnetic particles comprise a magnetic material selected from the group consisting of: iron, nickel, cobalt, their alloys and oxides, in particular Fe 3 O 4 . Article selon l'une quelconque des revendications précédentes, caractérisé par le fait que les particules magnétiques sont asphériques.Article according to any one of the preceding claims, characterized in that the magnetic particles are aspherical. Article selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'il comporte au moins une matière colorante.Article according to any one of the preceding claims, characterized in that it comprises at least one dyestuff. Article selon la revendication 2, caractérisé par le fait que la face adhésive (6) est définie par au moins une couche d'au moins un matériau adhésif (3).Article according to Claim 2, characterized in that the adhesive face (6) is defined by at least one layer of at least one adhesive material (3). Article selon la revendication précédente, caractérisé par le fait que le matériau adhésif (3) est choisi de telle sorte que l'article (1) soit repositionnable.Article according to the preceding claim, characterized in that the adhesive material (3) is chosen so that the article (1) is repositionable. Article selon la revendication 2, caractérisé par le fait que la face adhésive (6) est recouverte, avant utilisation, d'une pellicule de protection (5) amovible.Article according to claim 2, characterized in that the adhesive face (6) is covered, before use, with a removable protective film (5). Article selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'il est souple.Article according to any one of the preceding claims, characterized in that it is flexible. Article selon l'une quelconque des revendications 1 à 10, caractérisé par le fait qu'il est sensiblement rigide.Article according to any one of claims 1 to 10, characterized in that it is substantially rigid. Article selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'il constitue un faux ongle, recouvrant totalement ou partiellement l'ongle.Article according to any one of the preceding claims, characterized in that it constitutes a false nail completely or partially covering the nail. Article selon l'une quelconque des revendications 1 à 12, caractérisé par le fait qu'il constitue une mouche.Article according to any one of Claims 1 to 12, characterized in that it constitutes a fly. Procédé de fabrication d'un article destiné à être fixé sur les matières kératiniques, notamment la peau ou les ongles, comportant : - la formation, ailleurs que sur la surface sur laquelle l'article est destiné à être appliqué, d'au moins une couche d'un matériau (2) comportant des particules magnétiques mobiles sous l'effet d'un champ magnétique, - l'exposition, avant le séchage ou refroidissement de la couche (2), à un champ magnétique des particules magnétiques de manière à orienter et/ou déplacer au moins une partie desdites particules magnétiques pour former un motif. A method of manufacturing an article intended to be fixed on keratin materials, in particular skin or nails, comprising: the formation, other than on the surface on which the article is intended to be applied, of at least one layer of a material (2) comprising magnetic particles movable under the effect of a magnetic field, exposing, prior to the drying or cooling of the layer (2), a magnetic field of the magnetic particles so as to orient and / or move at least a portion of said magnetic particles to form a pattern. Procédé selon la revendication 15, caractérisé par le fait que ledit matériau est un matériau filmogène.Process according to Claim 15, characterized in that the said material is a film-forming material. Ensemble comportant au moins un article tel que défini dans l'une quelconque des revendications 1 à 14 et un dispositif de conditionnement du ou des articles.Assembly comprising at least one article as defined in any one of Claims 1 to 14 and a device for packaging the article or articles. Procédé de maquillage dans lequel on fixe sur les matières kératiniques, notamment la peau ou les ongles, un article tel que défini dans l'une quelconque des revendications 1 à 14.Makeup process in which an article as defined in any one of Claims 1 to 14 is fixed to the keratin materials, in particular the skin or the nails.
EP06300206A 2005-03-09 2006-03-07 Article to be fixed on the skin or on a fingernail cover Withdrawn EP1700534A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0550622A FR2882901B1 (en) 2005-03-09 2005-03-09 ARTICLE TO BE FIXED ON THE SKIN, PHANERES OR FALSE NAILS.

Publications (1)

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WO2018126491A1 (en) * 2017-01-05 2018-07-12 张虹燕 Eyelash decoration using multi-pole magnetized flexible magnetic strip as carrier

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FR2888115B1 (en) * 2005-07-08 2013-02-15 Oreal LIQUID FOUNDATION, MAKE - UP PROCESS AND KIT FOR IMPLEMENTING SUCH A METHOD.
JP7175438B2 (en) * 2018-03-21 2022-11-21 ラッシュライナー・インコーポレイテッド Magnetic skin adhesives, accessories, and related methods
CN111920709A (en) 2019-05-13 2020-11-13 帕芙姆斯得科尔有限公司 Liquid cosmetic

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WO2015155227A1 (en) 2014-04-09 2015-10-15 Art Cosmetics Srl Cosmetics made in one or more colours by applying a magnetic field, and method for their preparation
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WO2018126491A1 (en) * 2017-01-05 2018-07-12 张虹燕 Eyelash decoration using multi-pole magnetized flexible magnetic strip as carrier

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FR2882901B1 (en) 2007-05-25
FR2882901A1 (en) 2006-09-15

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