EP1872682B1 - Dispositif pour l'application d'un produit sur les cils ou les sourcils - Google Patents

Dispositif pour l'application d'un produit sur les cils ou les sourcils Download PDF

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Publication number
EP1872682B1
EP1872682B1 EP07301151.2A EP07301151A EP1872682B1 EP 1872682 B1 EP1872682 B1 EP 1872682B1 EP 07301151 A EP07301151 A EP 07301151A EP 1872682 B1 EP1872682 B1 EP 1872682B1
Authority
EP
European Patent Office
Prior art keywords
core
teeth
longitudinal
row
longitudinal axis
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.)
Active
Application number
EP07301151.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1872682A1 (fr
Inventor
Jean-Louis Gueret
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1872682A1 publication Critical patent/EP1872682A1/fr
Application granted granted Critical
Publication of EP1872682B1 publication Critical patent/EP1872682B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a 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
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
    • A45D40/267—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container comprising a wiper
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara
    • A46B2200/106—Cosmetics applicator specifically for mascara including comb like element

Definitions

  • the present invention relates to an applicator for applying a cosmetic, makeup or care product to the eyelashes or the eyebrows, comprising an applicator member comprising at least one row of teeth disposed on a core.
  • the invention also relates to a packaging and application device comprising such an applicator and a container for containing the product to be applied.
  • the invention is still interested in a cosmetic treatment method using such an applicator.
  • EP-A-1 611 817 discloses an applicator having a core on each of the longitudinal faces of which are connected two rows of teeth extending in respective directions not parallel to each other. Each row comprises staggered teeth, on either side of a geometric separation surface extending along this row. The teeth of a row have planar faces directed towards the corresponding geometric separation surface.
  • EP-A-1,070,468 describes applicators having teeth extending substantially in the extension of an adjacent face of the core.
  • the invention aims to further improve the applicators for the application of a product on the eyelashes or eyebrows, particularly in terms of penetration of the teeth in the eyelashes, smoothing the product on the eyelashes and separation of the latter.
  • some applicators having non-radial teeth must be made of relatively flexible thermoplastic materials because the teeth must be able to bend during demolding.
  • stiffer teeth could in some cases be desirable, for example to cross with less deformation a wiper member and carry a greater load of product.
  • the invention also aims to allow, if necessary, the realization of the application member by molding in a relatively hard thermoplastic material.
  • the subject of the invention is an applicator for applying a product to the eyelashes or the eyebrows according to claim 1.
  • longitudinal axis it is necessary to understand the line joining the centroids of the transverse sections of the soul.
  • the longitudinal axis may, in some cases, be a central axis or an axis of symmetry for the core, especially when the core has a cross section in the general shape of a regular polygon.
  • a first tooth of the first set and a second tooth of the second set of each of at least two rows have free ends located at different distances from the longitudinal axis of the core.
  • a second tooth of the second set may be shifted laterally on the core relative to at least a first tooth of the first set, such that their respective free ends are angularly spaced from an angle strictly greater than 0 °, around the longitudinal axis of the soul. This angle can be greater than 1 °, better 5 °, even better 10 °.
  • At least two successive teeth of the first set of first teeth and / or the second set of second teeth may have different or equal heights.
  • the teeth of the second set may have a height greater than that of the teeth of the first set.
  • the core may have a cross section that varies homothetically along its longitudinal axis. It can for example, increase on a first portion of the soul from a head of the applicator to a distal end of the soul, then decrease and grow through a minimum on a second portion of the soul, and decrease again on a third portion of the core from the distal end of the second portion to a tip of the applicator.
  • the applicator may for example have between 30 and 60 teeth on each of its longitudinal faces, for example about 42 teeth.
  • the second teeth may have a face forming an angle of between 25 and 30 ° with the face to which a tooth of the second set of second teeth is connected.
  • the applicator may for example comprise at a location on the longitudinal axis of the core between 10 and 15 teeth 360 ° around the longitudinal axis of the core.
  • some teeth are connected with a surface of the tooth oriented obliquely or perpendicularly with respect to the longitudinal face of the core and others with an obliquely oriented surface of the tooth.
  • the envelope surface of the applicator member when observed in cross-section, can thus be non-circular and pass for example alternately, when one turns around the soul, a distance to the upper soul to a mean radius at a distance to the soul less than this average radius and vice versa.
  • the envelope surface may for example have a conical or pyramidal shape at at least one end of the core, in particular that which connects to the rod.
  • the envelope surface may for example be conical or pyramidal diverging away from the rod from it.
  • the teeth can be made relatively easily, by molding or overmolding with the core.
  • the applicator can be made with a disposition of the teeth on the core facilitating the arrival of the eyelashes in contact with the latter, which may have a perfectly defined surface state, which is not always the case of a conventional brush twisted core.
  • the eyelashes can be loaded into product in contact with the core.
  • the soul can participate actively in the application of the product on the eyelashes, which offers more freedom in the choice and arrangement of teeth.
  • row is meant a succession of teeth generally located on the same side of the soul and succeeding each other as we progress along the soul.
  • the teeth of at least one row can be connected to the longitudinal face of the corresponding core on the same side of a median longitudinal line of this longitudinal face of the core.
  • the teeth of the first and / or second set of teeth may be substantially straight.
  • the teeth may have bases that are not centered on the longitudinal face of the soul to which they are connected.
  • the bases of the teeth of a row are aligned or arranged in staggered rows.
  • a staggered arrangement a plurality of consecutive teeth of the row is shifted at least partially alternately on either side of a geometric separation surface.
  • the consecutive teeth can be fully offset alternately on either side of the geometric separation surface.
  • All the teeth of each row can be shifted alternately on either side of a geometric separation surface associated with the row.
  • Two consecutive teeth of a row may not be the image of one another by a simple translational movement, especially when the teeth have a non-circular shape in cross section.
  • the teeth of the first and second sets mentioned above can be arranged alternately within at least one row.
  • At least two consecutive teeth of a row of teeth may have first faces having the same first shape, for example flat, in particular at least at the level of the lower portion of the tooth, and second faces having the same second shape, for example non-planar example, in particular rounded.
  • the first faces can be oriented in the same direction of rotation around the soul, that is to say all be directed in the clockwise or anti-clockwise, when the soul is observed along its longitudinal axis.
  • the first faces especially when they are flat, may extend substantially in the extension of a longitudinal face of the soul adjacent to that to which they are connected. Such an arrangement may facilitate the molding of the applicator member.
  • the first faces of the teeth can be connected substantially perpendicular to the corresponding face of the soul, at least for some teeth of the row.
  • the cross section of at least one tooth, or even of each tooth may be of substantially semicircular or semi-elliptical shape, or be other.
  • At least one tooth of a row may extend at least at the portion connecting to the core, or even along its entire length, in a first direction Z 1 , perpendicular to the longitudinal face of the core to which the tooth connects or makes a small angle with the normal, for example less than 10 °, better 5 °.
  • a consecutive tooth of the row may extend from the same face of the core in a second direction Z 2 , at least at the portion connecting to the core, or over its entire length, making an angle ⁇ with the first direction, when the soul is observed along its longitudinal axis.
  • Substantially half of the teeth of a row may extend parallel to the first direction Z 1 .
  • the angle ⁇ between the directions Z 1 and Z 2 can be between 5 and 80 °.
  • At least two consecutive teeth in a row may not touch each other. At least two consecutive teeth of the row may be separated by a non-zero distance measured along the longitudinal axis of the row, this distance being for example between 0.01 and 1 mm.
  • the core may comprise a plurality of longitudinal faces, as mentioned above, and the applicator may comprise rows of teeth each extending from one of the longitudinal faces of the core.
  • the teeth can be attached perpendicularly to the core or at an angle so that all the teeth are oriented relative to the core in the same direction of rotation when the soul is observed along its longitudinal axis.
  • the application member may thus be devoid of teeth oriented in opposite gyratory directions. For example, when the core is viewed from its distal end, all the obliquely extending teeth may be oriented counterclockwise.
  • the applicator may comprise a single row of teeth per longitudinal side of the core.
  • the applicator may comprise in all between two and ten rows for example, in particular between three and eight rows, having for example an even number of rows.
  • the length of a row may be between 10 and 45 mm, especially between 15 and 35 mm, or even between 20 and 30 mm, being for example about 25 mm.
  • the passage from one row to the other can be effected by a rotation of an integer submultiple of 360 ° about the longitudinal axis of the soul, by example a rotation of 360 ° / n, where n is an integer between 2 and 8 for example.
  • the core may have, in a transverse sectional plane, an axial symmetry, especially around its longitudinal axis.
  • the soul can extend along a rectilinear longitudinal axis.
  • the core may extend along a curved longitudinal axis.
  • the core may extend along a longitudinal axis making at least one point of its length an angle with the longitudinal axis of a rod to which is fixed the core.
  • the core can be bent at its connection to the rod.
  • the free ends of the teeth may define an envelope surface which extends along a longitudinal axis forming a non-zero angle with the longitudinal axis of the core.
  • the core may comprise at least one flat longitudinal face.
  • the core may comprise at least one non-planar longitudinal face, being for example at least partially concave or convex.
  • At least one tooth, or even each tooth of a row or of the applicator, can extend from a corresponding non-planar longitudinal face of the core, substantially perpendicular to a plane tangent to the core. level of this tooth.
  • the core may comprise a concave or convex longitudinal face in cross section, the concavity or convexity of which may vary as one moves along the longitudinal axis of the core.
  • the soul may comprise a longitudinal twisted face.
  • the applicator may include teeth of the same height or different heights.
  • the height of the teeth may be between 0.5 and 4 mm, in particular between 0.7 and 3 mm, or even between 1 and 2 mm.
  • the number of teeth may be between 6 and 60 approximately, especially between 10 and 45 approximately, being for example between 40 and 45.
  • At least one row of teeth may extend along a rectilinear axis, which may or may not be parallel to the longitudinal axis of the core.
  • At least two teeth of at least one row may have different or identical lengths. At least two teeth of at least one row may have different or identical shapes. At least one tooth of at least one row may have a generally tapered shape towards its free end.
  • At least one tooth of one row may have a different shape of a tooth of another row. the less a tooth of a row may have for example a length different from that of another tooth of this row, in particular a consecutive tooth.
  • two teeth of a row may extend at their base in directions which form between them a first angle and two teeth of another row may extend to their base in directions which form between them a second angle, the first and second angles being equal or different.
  • the teeth may be evenly spaced along the longitudinal axis of the row or grouped in groups of two or more teeth, the spacing between the teeth of a group along the longitudinal axis of the row. the row being for example less than the spacing between two groups of adjacent teeth of this row.
  • the teeth may be initially separated from the core and attached thereto to form the applicator.
  • the teeth can be made in one piece with the core, for example by molding, in particular by injection.
  • the teeth may be formed by monoinjection of material or over injection, preferably in a thermoplastic material, which may be elastomeric.
  • the teeth may be made of a material more or less rigid than a material used to make the rod of the applicator to which the core is connected.
  • At least one of the soul and a tooth may have magnetic properties. These may be due for example to a charge of magnetic particles dispersed in the plastic material of the core and / or the tooth.
  • At least one of the core and a tooth can be flocked and / or comprise a load, intended for example to improve sliding.
  • the core may be constituted by an insert on the rod of the applicator.
  • the core may be made by plastic molding integrally with the applicator shaft.
  • the core may be made of a plastic material more or less flexible than that used to make the rod of the applicator.
  • the core may have a substantially constant cross section at least over a portion of its length.
  • the soul can still have a variable cross section.
  • the cross section of the core may pass through an extremum substantially mid-length of the core, this extremum being for example a minimum. This can give the soul increased flexibility and allow to define an envelope area of variable section along the application member.
  • the core may have on at least a portion of its length a cross section having a polygonal shape, regular or not, preferably regular, for example triangular, rectangular, square, pentagonal, hexagonal or octagonal, the sides corresponding to the longitudinal faces soul may be straight or slightly concave or convex.
  • the soul can thus have a non-circular cross section over most of its length.
  • the core may be attached to a first end of the applicator shaft.
  • the core may be attached to the applicator rod by inserting a tip extending the apparent portion of the core in a housing provided at the end of the rod.
  • the core may comprise a longitudinally extending housing in which the rod is inserted.
  • the latter may be provided with a gripping element, which may be configured to seal a container containing the product to be applied.
  • This container may comprise a wiper member, which may be adapted to wring the rod and the applicator member.
  • the applicator may be devoid of metal, which may allow its passage in a microwave oven.
  • the core may be recessed internally, and for example comprise at least one hole allowing the product to pass through the applicator member.
  • At least one first tooth of the first set and a second tooth of the second set can be connected to the corresponding longitudinal face of the core in different directions.
  • the teeth of the first set of teeth may be substantially straight.
  • the subject of the invention is also an applicator comprising an applicator member having an elongated core along a longitudinal axis, of polygonal cross-section over at least a portion of its length, at least one row of teeth connected to a longitudinal face, this row comprising at least one tooth having a face extending in the plane of the adjacent longitudinal face and a tooth extending obliquely when the core is observed along its longitudinal axis.
  • the subject of the invention is also a device for packaging and applying a product to keratinous fibers, in particular eyelashes or eyebrows, comprising any of the applicators as defined above, and a container containing the product.
  • This container may comprise a wiper member.
  • the invention also relates to a process for making eyelashes or eyebrows using an applicator as defined above.
  • figure 1 a packaging and application device made according to the invention, comprising an applicator 2 and an associated container 3 containing a product P to be applied to the eyelashes and / or the eyebrows, for example mascara or a care product.
  • a product P to be applied to the eyelashes and / or the eyebrows, for example mascara or a care product.
  • the container 3 comprises, in the example considered, a threaded neck 4 and the applicator 2 comprises a closure cap 5 arranged to be fixed on the neck 4 in order to close the container 3 tightly in the absence of use , the closing cap 5 also constituting a gripping element for the applicator 2.
  • the applicator 2 comprises a rod 7 of longitudinal axis Y, which is connected at its upper end to the closure cap 5 and, at its lower end, to an applicator member 8.
  • the container 3 also comprises a wiper member 6, inserted in the neck 4.
  • This wiper member 6, which may be arbitrary, comprises in the example in question a lip 9 arranged to dewater the rod 7 and the applicator member 8 when the applicator 2 is removed from the container 3.
  • the rod 7 has a circular cross section but it is not beyond the scope of the present invention when the rod 7 has a different section, the fixing of the cap 5 on the container 3 can then be performed otherwise than by screwing, if necessary.
  • the wiper member 6 may be adapted to the shape of the rod 7 and that of the applicator member 8, if appropriate.
  • the longitudinal axis Y of the rod 7 is rectilinear and coincident with the longitudinal axis of the container 3 when the applicator 2 is in place thereon, but it is not beyond the scope of this invention when the rod 7 is non-rectilinear, forming for example a bend.
  • the rod 7 may comprise, where appropriate, an annular necking on its portion which is positioned opposite the lip 9 of the wiper member 6, so as not to mechanically stress it excessively during storage .
  • the applicator member 8 comprises a core 10 of elongate shape, extending along a longitudinal axis X.
  • the core 10 has on the majority of its length a polygonal cross section, the sides of which define substantially planar longitudinal faces 15.
  • the longitudinal axis X is central.
  • the teeth 18 are made in the example considered in one piece by molding thermoplastic material with the core 10.
  • thermoplastic material for example SEBS, a silicone, butyl, EPDM, a nitrile, a thermoplastic elastomer, a polyester elastomer, polyamide , polyethylene or vinyl, but also a polyolefin such as PE or PP, PVC, PS, PET, POM, PA or PMMA.
  • materials known as Hytrel®, Cariflex®, Alixine®, Santoprene®, Pebax® can be used, this list not being limiting.
  • the applicator member 8 can also, if necessary, be made by molding a metal material or by machining.
  • the teeth and the soul can be made in different materials.
  • the configuration of the teeth may facilitate molding by means of a mold having a plurality of shells respectively associated with the different longitudinal faces 15, these shells being able to deviate from each other by moving radially outwards during demolding.
  • thermoplastic material a relatively rigid thermoplastic material.
  • the use of such a material may be desired to increase the product load and / or better smooth the product on the eyelashes.
  • the applicator member 8 may comprise, at its distal end 12, a forward tapered head, in order to facilitate the retraction of the applicator 2 into the container 3.
  • the tapered head forward may avoiding the clogging of the applicator member 8.
  • the height of the teeth 18 may decrease towards the head 12, along a distal transition portion 13a, as illustrated in FIG. figure 2 .
  • the height of the teeth 18 may also decrease along a proximal transition portion 13b in the direction of the rod 7, so as to facilitate the crossing of the wiper member 6 by the applicator member 8 during removal. of the applicator 2.
  • the head 12 may be symmetrical in revolution or may comprise radial fins, as shown in FIG. figure 2 .
  • the core 10 is extended, in the example considered, from its proximal side, by a cylindrical tip 14 which allows its attachment to the rod 7.
  • the attachment may in particular be by snapping, gluing, welding or crimping.
  • the core 10 can also be made in one piece by molding material with the rod 7 or with a housing in which the rod 7 is inserted.
  • the longitudinal faces 15 are in the example described in the number of four, as can be seen on the Figures 3 and 4 , the cross section of the core being substantially square.
  • Each row 17 of teeth 18 comprises a first set 20 of first teeth connecting at an angle ⁇ Z1 with the normal to the corresponding face 15 of the core 10, and a second set 30 of second teeth connecting obliquely to this face. 15 by making an angle ⁇ Z2 with this normal.
  • the angles ⁇ Z1 and ⁇ Z2 are measured in the plane of the cross section which passes through the middle of the base of the tooth concerned. This plane is perpendicular to the longitudinal axis of the soul at this point when rectilinear and, when this axis is curvilinear, at the tangent to the axis at this point.
  • the teeth 18 of the first set of teeth 20 are straight, extending in a direction Z 1 substantially perpendicular to the face 15, the angle ⁇ Z1 being relatively small, for example less than 10 °, or even 5 °.
  • the teeth 18 of the second set of teeth 30 are also straight in the example considered, extending in a direction Z 2 forming an angle ⁇ with the direction Z 1 .
  • the angle ⁇ may for example be between 20 and 80 °.
  • each row comprises teeth having a surface connecting perpendicular to the corresponding longitudinal face 15.
  • the teeth 18 of each row 17 are arranged in staggered rows. Two consecutive teeth 18 of each row 17 are shifted alternately on either side of a geometric separation surface S, this surface S being for example a bisecting plane of the angle a.
  • the teeth of the first set 20 are arranged on one side of this geometric separation surface S while those of the second set 30 are arranged on the other side thereof, when the core 10 is observed along its longitudinal axis.
  • the bases of the teeth of the first set 20 and the second set 30 are non-aligned, since respectively located entirely on either side of the geometric separation surface S.
  • the teeth of the first set 20 and the second set 30 do not overlap, in the illustrated example, when the applicator member is viewed from the side, in a direction perpendicular to the X axis, as shown in FIG. figure 2 .
  • the free ends 18a of the teeth of the first set of teeth 20 are disposed beyond an average circle C centered on the longitudinal axis X of the core, while the free ends 18b of the teeth of the second set 30 are arranged inside this circle.
  • the free ends of the teeth of the applicator member 8 are not all at the same distance from the longitudinal axis of the applicator member.
  • Such a configuration can improve the penetration of the teeth 18 in the eyelashes or eyebrows and can improve or facilitate the makeup.
  • the directions Z 1 and Z 2 of the teeth 18 of the first 20 and second 30 sets of teeth do not intersect the longitudinal axis X of the core, the teeth being eccentric with respect to this axis.
  • the invention can make it possible to have teeth having free ends not all situated at the same distance from the longitudinal axis as well as relatively long teeth, if this is desired, which may be advantageous for smoothing the eyelashes and promote the loading of the applicator product.
  • each tooth 18 of the first set 20 of a row 17 may be associated a respective tooth of the first set 20 of another row 17, occupying substantially the same axial position along the X axis of the soul, the passage from one tooth to the other being effected by a rotation around the X axis of a sub-multiple of 360 °, in this case 90 °. It is the same for each tooth 18 of the second set 30.
  • each tooth 18 has a first longitudinal face 40 of planar shape and a second longitudinal face 41 of rounded shape, in particular convex, as can be seen in FIG. figure 5 .
  • At least two consecutive teeth 18 of a row 17, and in the example described all the teeth of each row 17, have their first faces 40 of the same shape and their second faces 41 of the same shape, all the first faces 40 being oriented in the same roundabout around the soul 10, namely the anti-clockwise direction on the Figures 3 and 4 .
  • the first faces 40 of the teeth of the first set 20 of each row 17 extend in the example described in the plane of an adjacent face 15 of the core. In addition, these first faces 40 extend perpendicular to the face 15 to which the teeth in question are connected.
  • the angle ⁇ between the faces 40 and 41 of two consecutive teeth of the same row 17 is for example of the order of 38 °, when the core is observed along its longitudinal axis, as on the figure 4 .
  • the free ends 18a, 18b of the teeth 18 of each set can be projected in plan view on the corresponding longitudinal face, close to the adjacent face, as can be seen in FIG. figure 2 .
  • the free ends 18a and 18b of the teeth of a row 17 can be located substantially at the same height, relative to the corresponding longitudinal face 15.
  • the bases of the consecutive teeth of each row 17 may touch or not when the applicator member is viewed from the side. In the example considered, these bases are slightly separated.
  • the core may comprise any number of longitudinal faces, all the characteristics described above being applicable independently of the number of longitudinal faces.
  • the core 10 is of hexagonal cross section and comprises six longitudinal faces 15, a single row 17 of teeth 18 connected to each of the longitudinal faces 15, so that the applicator comprises a total of six rows 17 .
  • teeth 18 of the first set of teeth 20 each comprise a flat face 40 which extends perpendicular to the corresponding longitudinal face of the core, but which does not extend in the plane of a longitudinal face Adjacent.
  • each row 17 has teeth having flat faces 40 which are oriented perpendicular to the corresponding longitudinal face of the web 10.
  • the free ends of the teeth are not located at the same distance from the longitudinal axis X of the core 10, the free ends of the teeth oriented obliquely relative to the corresponding longitudinal face being, for example, further from the X axis than those other teeth.
  • the core 10 has only two opposite longitudinal faces 15 from which extend respective rows of teeth 17.
  • the core has in this example a square cross section.
  • the two rows are symmetrical to one another with respect to the longitudinal axis X.
  • the cross section of the core 10 is triangular, the core 10 having three longitudinal faces 15 and three corresponding rows 17 of teeth 18.
  • An applicator member 8 according to the invention may comprise more than two apparent teeth per longitudinal face when the core is observed along its longitudinal axis, as illustrated in FIG. figure 13 .
  • the application member 8 comprises, in addition to the first and second teeth 18 of the assemblies 20 and 30, one or more additional teeth 18 making for example an angle ⁇ greater than ⁇ with the direction Z 1 .
  • the additional teeth 18 constitute a third set 130 of teeth and may, for example, alternate with the teeth of the first and / or second set of teeth along the row 17. Alternatively, the additional teeth 18 may constitute a row additional extending parallel to the row 17.
  • the teeth of the third set 130 of teeth may extend in the same rotational direction, about the longitudinal axis of the core 10, as the teeth of the second sets 30 of the different rows, as illustrated.
  • Teeth of the applicator member may alternatively not be oriented in the same direction of rotation around the core.
  • an applicator member comprising one of the second sets of teeth 30 extending in a gyratory direction opposite to the other second sets of teeth around the core 10.
  • the teeth of the second set of teeth 30 are not inclined relative to the longitudinal face 15 of the core to which they are connected, as is the case in the illustrated variant to the figure 14 .
  • the directions Z 1 and Z 2 are parallel for each row 17.
  • the length of the teeth of the first set 20 is close to that of the teeth of the second set 30. Nevertheless, given the fact that the teeth of the first set 20 are offset laterally with respect to the teeth of the second set 30 and the teeth are arranged unsymmetrically with respect to a median plane containing the X axis, the ends 18a of the teeth of the first set of teeth 20 are further from the X axis than those 18b of the teeth of the second set 30.
  • the teeth of the second set are for example sufficiently offset relative to those of the first set so that their free ends 18b are angularly spaced from those 18a of the other teeth of the row by an angle ⁇ about the axis X, the angle ⁇ can be strictly non-zero, being for example greater than 1 ° or 5 ° or 10 °, or even 15 °.
  • the teeth of the first sets 20 of the figure 14 can be replaced by those of the first 20 sets of the figure 13 .
  • all the teeth may extend with surfaces that are not perpendicular to the longitudinal face 15 to which they are connected, as illustrated in FIG. figure 15 , the soul having in this example a hexagonal cross section.
  • the teeth can be oriented in the same direction of rotation, in this case the clockwise direction on the figure 15 .
  • the longitudinal axis X of the core constitutes an axis of symmetry of the core 10, given that the core has a regular polygonal cross-section, in particular square, hexagonal or triangular.
  • the teeth of the first 20 and second sets of teeth 18 are arranged in staggered rows, their bases not being aligned.
  • the bases of the teeth 18 may be aligned, as illustrated in FIG. figure 16 , a same line parallel to the longitudinal axis X of the core 10 intersecting all the bases of the aligned teeth of the row.
  • the longitudinal faces 15 of the core 10 may be non-planar, being for example concave or convex over at least a portion of their length.
  • the teeth 18 extend perpendicularly to the longitudinal axis X of the core 10 when the applicator member 8 is observed perpendicular thereto, and in the embodiment of FIGS. Figures 19 and 20 , the teeth 18 extend not perpendicular to the axis X of the core 10, but perpendicular to the corresponding longitudinal face 15.
  • the concavity of the longitudinal faces 15 may be formed by a narrowing of the cross section of the core 10.
  • the longitudinal faces 15 of the core 10 are twisted, as illustrated in FIG. figure 21 that is, the corresponding side performs at least one rotation towards the distal end of the core.
  • the core 10 may be deformed at the time of demolding by a rotation of the tip 14, or alternatively in the mold.
  • the longitudinal axis X of the core 10 may coincide with the longitudinal axis Y of the rod 7, but it is not beyond the scope of the present invention if it is otherwise, and by way of example, illustrated at the figure 22 an alternative embodiment in which the longitudinal axis X of the core 10 forms an angle ⁇ 1 with the longitudinal axis Y of the rod. Such a configuration can improve the application by facilitating the handling of the applicator.
  • the core may extend along a non-rectilinear longitudinal axis X.
  • the envelope surface E may have on one side of the axis X a first contour 54 extending substantially in the same direction as the axis X, and the opposite side of the axis X a second contour 55 may have an identical curvature or different.
  • the envelope surface E may have two opposite contours 54 and 55, one of which may comprise a notch.
  • the envelope surface E has a cross section that passes through a minimum.
  • the X axis coincides with the Y axis.
  • the longitudinal axis X of the core 10 is rectilinear and the envelope surface E has an ovoid shape.
  • the free end of the teeth 18 defines an envelope surface E which extends generally along a longitudinal axis W forming an angle ⁇ 2 with the longitudinal axis X of the core 10, the applicator may be described as eccentric.
  • the variant of the figure 41 differs from that of figure 24 by the shape of the envelope surface E, which has a cross section that passes through a minimum.
  • the longitudinal axis X of the core 10 may be rectilinear and at an angle to the longitudinal axis Y of the rod 7, as illustrated in FIG. figure 42 , the envelope surface E having for example a non-constant cross section, for example passing through a minimum.
  • the user can unscrew the closure cap 5 and extract the applicator member 8 from the container 3.
  • a certain amount of product remains between the rows 17 and between the teeth 18 of these rows and can be applied to the eyelashes or the eyebrows by the user.
  • the relatively large number of teeth and their arrangement on the application member allows a neat makeup.
  • a rotation of the applicator member around the X axis may accompany the make-up gesture of the eyelashes or eyebrows.
  • the obliquely oriented teeth may be oriented towards the eyelashes at the time of makeup.
  • the Figures 30 to 37 relate to an alternative embodiment of the application member.
  • the core 10 has a hexagonal cross section that varies homothetically.
  • the section increases on a first portion 1 1 from the head 12 towards the proximal end, this first portion 11 having for example a length of between 3 mm and 5 mm, for example close to 4.3 mm, the distance between two opposite faces passing for example from 1.9 mm to 2.9 mm.
  • the cross-section decreases and increases by passing through a minimum on a second portion 1 2 , each face 15 having in longitudinal section on this portion an arcuate profile, as can be seen in FIG. figure 32 , the length of the portion 1 2 being for example between 18 mm and 19 mm, for example close to 18.6 mm.
  • the minimum of the cross section is for example substantially mid-length of the portion 1 2 .
  • the core 10 decreases from the proximal end of the portion 12 to the tip 14, the length of this portion 13 being for example between 2 mm and 3 mm, for example about 2.5 mm .
  • the distance between two opposite faces of the core 10 at the junction between the portions 12 and 13 is, for example, between 2 mm and 3 mm, for example equal to 2.9 mm.
  • the angular variation v 1 of the direction of the longitudinal axis of the teeth on the portion 1 2 represented on the figure 32 is for example, between two successive teeth of the same set, 0.8 ° ⁇ 1 'of arc and between two adjacent teeth respectively belonging to the second and first sets of teeth, equal to v 2 , v 2 being for example 0.5 ° ⁇ 1 'arc.
  • the radius of curvature R of the longitudinal faces 15 of the portion 12 is for example between 80 mm and 95 mm, for example around 87 mm.
  • the height of the teeth varies on the portion 1 , with heights of, for example, between 1 and 2 mm, with the height H1 being 1 mm for example for the teeth adjacent to the head 12 and passing for example at heights H2 of 1.1 mm, H3 1.1 mm, H4 1.4 mm, H5 1.6 mm, H6 1.8 mm and H7 2 mm for the next teeth in the portion 11 , as shown on the figure 30 .
  • the height of the teeth decreases, for example the height H11 equal to 1.8 mm at the height H8 equal to 1 mm, the heights of the intermediate teeth H10 and H9 being equal to 1.45 mm and 1.25 mm for example.
  • the tip 14 has for example a diameter of between 2 mm and 3 mm, for example of 2.2 mm and a length for example between 6 mm and 8 mm, for example 7 mm, the diameter of the tip 14 being for example 2.2 mm at its proximal end and 2.4 mm at its distal end.
  • the top of the teeth adjacent to the tip 14 is for example at a distance of about 0.375 mm from the tip 14.
  • the applicator member may comprise, for example, six rows of 42 teeth each, each row including the teeth of the two sets that alternate, the teeth within a row being successively with a blank 18d perpendicular to the corresponding face of the soul as we can see on the figure 34 and with a flank 18e making an angle ⁇ ' Z2 with the corresponding face of the soul, as can be seen on the figure 35 .
  • This angle ⁇ ' Z2 is for example between 25 and 30 °, being approximately 27.9 ° in the illustrated example.
  • the height H Z1 of the teeth 18a is for example between 2 mm and 3 mm being for example 2.15 mm
  • the height H Z2 of the teeth 18b on the figure 35 is for example between 2 mm and 3 mm being for example 2.2 mm.
  • the teeth 18b which extend obliquely relative to the normal to the corresponding face of the corresponding core have for example a height greater than the teeth 18a which connect to the face with a smaller angle.
  • the base of a tooth 18 extends for example axially over a distance n of between 0.5 mm and 0.6 mm, for example of the order of 0.55 mm, and in the circumferential direction over a distance c of between 0.5 mm and 0.6 mm, for example of the order of 0.55 mm.
  • a tooth 18 has for example a flat longitudinal face 18d or 18e which extends to near its free end, and the opposite side, a convex face with a substantially semi-elliptical cross section.
  • the end of a tooth can be rounded with for example a radius of curvature r of 0.1 mm when the applicator member is observed in a direction perpendicular to its longitudinal axis, as on the figure 33 , and with a radius of curvature r 'which is for example 0.2 mm when the tooth is observed in cross-section as on the Figures 34 and 35 .
  • the axial pitch p 1 between two adjacent teeth on the portion 1 is for example 0.6 mm and this step may be the same on the portion 1 3 .
  • the diameter of the circle C enveloping the applicator member, as shown in FIG. figure 31 is, for example, included, where it is maximum, between 7 mm and 8 mm, being for example of the order of 7.6 mm.
  • the teeth of at least one row may have different heights, for example through an extremum between the extreme teeth of the row.
  • At least one of the teeth 18 of the rows 17 may have a non-smooth surface state, for example molded striations or asperities linked for example to the presence of a load in the plastics material.
  • the applicator member may be made of a plastics material comprising magnetic particles.
  • the magnetic field created by such particles which can be magnetizable and / or magnetized, can exert for example an effect on the eyelashes and / or interact with magnetic fibers or pigments that would be present in the product.
  • the applicator member may be made with flocking, the latter extending for example on the teeth only.
  • the teeth may have, at their free end, a relief or a particular shape, for example a fork, a ball or a hook, as illustrated in FIGS. Figures 26 to 28 .
  • the hook may extend for example transversely, parallel or obliquely to the longitudinal axis X of the core.
  • the rows 17 may comprise different numbers of teeth, one of the rows being for example shorter than another row.
  • the teeth can be gathered in groups of teeth, for example in pairs.
  • the teeth can be grouped together in pairs, the spacing between the groups of teeth within the same row being regular or not, and in particular greater than the average spacing between the teeth within a group.
  • the teeth can all be connected to the core in a direction contained in a plane perpendicular to the X axis. It may be otherwise, and teeth may be inclined towards the distal or proximal end.
  • the wiper member may be made differently, for example comprising a block of foam, which can be split.
  • the wiper member may for example be as described in the patent applications FR 2,856,559 , EP-A-1,046,358 , EP-A-1,050,231 , EP-A-1,481,607 and EP-A-1,561,394 .
  • the wiper member may still be as described in the application WO 2007/004156 , having at least one corrugated wringing lip, having a radially inner free edge defining a passage opening 122 of the applicator member, as illustrated in FIG. figure 25 .
  • the wiper member may be flexible and able to deform in elongation or torsion.
  • the wiper lip 9 may comprise corrugations 120 extending around the orifice 122.
  • the wiper lip 9 may comprise a number of corrugations 120 of between 3 and 12, for example.
  • the wiper lip 9 may extend generally in a cone converging toward the bottom of the container, generatrix G at an angle i with the axis K of the container. In a variant, the wiper lip 9 may extend generally along a median plane perpendicular to the K axis or generally along a convergent cone towards the outlet of the receptacle.
  • the wiper member can still be adjustable, if necessary.
  • the core 10 has longitudinal ribs 50, as illustrated in FIG. figure 29 , which allow to stiffen it. This may make it possible to use, for example, a relatively flexible material for producing the applicator member.
  • Flexible teeth may allow, after the passage of the applicator member 8 in the wiper member 6, less storage of product on the applicator member, while stiffer teeth may allow storage most important.
  • the choice of the flexibility of the teeth can be used to control the level of product loading of the applicator member, whatever the nature of the wiper member and the product itself.
  • the free ends of the teeth of at least one row are at the same distance from the longitudinal axis of the core.
  • Such variants take for example the tooth arrangements and the core shapes of the previously described figures, the lengths or inclinations of the teeth being different so as to have free ends located at the same distance from the longitudinal axis.
  • the rod 7 to which the core is attached may be at least partially, in particular entirely, flexible.
  • the rod may for example comprise at least one flexible element 80 as illustrated in FIG. figure 43 , or for example at least one elastomer element, or have a shape giving flexibility, for example at least one notch 81 as illustrated in FIG. figure 44 .

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Brushes (AREA)
  • Cosmetics (AREA)
  • Coating Apparatus (AREA)
EP07301151.2A 2006-06-28 2007-06-26 Dispositif pour l'application d'un produit sur les cils ou les sourcils Active EP1872682B1 (fr)

Applications Claiming Priority (1)

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FR0605831A FR2902984B1 (fr) 2006-06-28 2006-06-28 Dispositif pour l'application d'un produit sur les cils ou les sourcils.

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EP1872682A1 EP1872682A1 (fr) 2008-01-02
EP1872682B1 true EP1872682B1 (fr) 2019-01-23

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US (1) US9125474B2 (zh)
EP (1) EP1872682B1 (zh)
JP (1) JP5351396B2 (zh)
CN (1) CN101103858B (zh)
BR (1) BRPI0705757B1 (zh)
ES (1) ES2719254T3 (zh)
FR (1) FR2902984B1 (zh)
MX (1) MX2007007972A (zh)
RU (1) RU2380015C2 (zh)

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MX2007007972A (es) 2009-02-18
FR2902984B1 (fr) 2009-03-20
BRPI0705757A (pt) 2008-06-10
US20080023020A1 (en) 2008-01-31
EP1872682A1 (fr) 2008-01-02
US9125474B2 (en) 2015-09-08
JP2008006295A (ja) 2008-01-17
BRPI0705757B1 (pt) 2019-02-26
RU2007124161A (ru) 2009-01-10
CN101103858A (zh) 2008-01-16
RU2380015C2 (ru) 2010-01-27
FR2902984A1 (fr) 2008-01-04
CN101103858B (zh) 2010-09-15
ES2719254T3 (es) 2019-07-09
JP5351396B2 (ja) 2013-11-27

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