EP1872682B1 - Device for the application of a product on eyelashes or eyebrows - Google Patents

Device for the application of a product on eyelashes or eyebrows 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)
French (fr)
Other versions
EP1872682A1 (en
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/en
Application granted granted Critical
Publication of EP1872682B1 publication Critical patent/EP1872682B1/en
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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Description

La présente invention concerne un applicateur pour appliquer un produit cosmétique, de maquillage ou de soin, sur les cils ou les sourcils, comportant un organe d'application comprenant au moins une rangée de dents disposée sur une âme.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.

L'invention se rapporte également à un dispositif de conditionnement et d'application comprenant un tel applicateur et un récipient pour contenir le produit à appliquer.The invention also relates to a packaging and application device comprising such an applicator and a container for containing the product to be applied.

L'invention s'intéresse encore à un procédé de traitement cosmétique utilisant un tel applicateur.The invention is still interested in a cosmetic treatment method using such an applicator.

On connaît de nombreux applicateurs du type ci-dessus, notamment par les demandes EP-A-1 475 013 , EP-A-1 070 465 , EP-A-1 070 466 , EP-A-1 070 467 , EP-A-1 070 468 , WO 01/05272 , WO 01/05273 , EP-A-1 611 817 , EP 1 632 149 et US 2007/0033759 .Many applicators of the above type are known, in particular by the applications EP-A-1,475,013 , EP-A-1,070,465 , EP-A-1,070,466 , EP-A-1,070,467 , EP-A-1,070,468 , WO 01/05272 , WO 01/05273 , EP-A-1 611 817 , EP 1 632 149 and US 2007/0033759 .

La publication EP-A-1 611 817 divulgue un applicateur comportant une âme sur chacune des faces longitudinales de laquelle se raccordent deux rangées de dents s'étendant dans des directions respectives non parallèles entre elles. Chaque rangée comporte des dents disposées en quinconce, de part et d'autre d'une surface géométrique de séparation s'étendant le long de cette rangée. Les dents d'une rangée présentent des faces planes dirigées vers la surface géométrique de séparation correspondante.The publication 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.

La publication EP-A-1 070 468 décrit des applicateurs ayant des dents s'étendant sensiblement dans le prolongement d'une face adjacente de l'âme.The publication EP-A-1,070,468 describes applicators having teeth extending substantially in the extension of an adjacent face of the core.

La publication US 2007/0033759 décrit un applicateur comportant une âme ayant deux faces longitudinales opposées portant des rangées de dents s'étendant radialement.The publication US 2007/0033759 discloses an applicator having a core having two opposite longitudinal faces carrying rows of radially extending teeth.

L'invention vise à améliorer encore les applicateurs pour l'application d'un produit sur les cils ou les sourcils, notamment en termes de pénétration des dents dans les cils, de lissage du produit sur les cils et de séparation de ces derniers.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.

Par ailleurs, certains applicateurs ayant des dents non radiales doivent être réalisés dans des matières thermoplastiques relativement souples car les dents doivent pouvoir fléchir lors du démoulage. Or, des dents plus rigides pourraient dans certains cas être souhaitables, par exemple pour franchir avec moins de déformation un organe d'essorage et emporter une charge plus importante de produit. L'invention vise aussi à permettre, si nécessaire, la réalisation de l'organe d'application par moulage dans une matière thermoplastique relativement dure.In addition, some applicators having non-radial teeth must be made of relatively flexible thermoplastic materials because the teeth must be able to bend during demolding. However, 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.

L'invention a pour objet, selon l'un de ses aspects, un applicateur pour l'application d'un produit sur les cils ou les sourcils, selon la revendication 1.According to one aspect, the subject of the invention is an applicator for applying a product to the eyelashes or the eyebrows according to claim 1.

Par « axe longitudinal » il faut comprendre la ligne qui joint les barycentres des sections transversales de l'âme. L'axe longitudinal peut, dans certains cas, être un axe central, voire un axe de symétrie pour l'âme, notamment lorsque l'âme présente une section transversale en forme générale de polygone régulier.By "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.

Une première dent du premier ensemble et une deuxième dent du deuxième ensemble de chacune des deux rangées au moins ont des extrémités libres situées à des distances différentes de l'axe longitudinal de l'âme.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.

Une deuxième dent du deuxième ensemble peut être décalée latéralement sur l'âme relativement à au moins une première dent du premier ensemble, de telle sorte que leurs extrémités libres respectives soient écartées angulairement d'un angle strictement supérieur à 0°, autour de l'axe longitudinal de l'âme. Cet angle peut être supérieur à 1°, mieux 5°, encore mieux 10°.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 °.

Au moins deux dents successives du premier ensemble de premières dents et/ou du deuxième ensemble de deuxièmes dents peuvent avoir des hauteurs différentes ou égales.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.

Les dents du deuxième ensemble peuvent avoir une hauteur plus grande que celle des dents du premier ensemble.The teeth of the second set may have a height greater than that of the teeth of the first set.

L'âme peut avoir une section transversale qui varie de manière homothétique le long de son axe longitudinal. Elle peut par exemple, augmenter sur une première portion de l'âme depuis une tête de l'applicateur vers une extrémité distale de l'âme, puis décroître et croître en passant par un minimum sur une deuxième portion de l'âme, et décroître à nouveau sur une troisième portion de l'âme depuis l'extrémité distale de la deuxième portion jusqu'à un embout de l'applicateur.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.

L'applicateur peut par exemple comporter entre 30 et 60 dents sur chacune de ses faces longitudinales, par exemple environ 42 dents.The applicator may for example have between 30 and 60 teeth on each of its longitudinal faces, for example about 42 teeth.

Les deuxièmes dents peuvent avoir une face faisant un angle compris entre 25 et 30° avec la face à laquelle se raccorde une dent du deuxième ensemble de deuxièmes dents.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.

L'applicateur peut par exemple comporter en un emplacement sur l'axe longitudinal de l'âme entre 10 et 15 dents sur 360° autour de l'axe longitudinal de l'âme.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.

Lorsque la face longitudinale concernée est, dans le plan de coupe transversale considéré, droite, la normale à cette face est définie comme étant la perpendiculaire à cette droite.When the longitudinal face concerned is, in the cross sectional plane considered, right, the normal to this face is defined as being the perpendicular to this line.

Lorsque la face longitudinale est, dans le plan de coupe transversale considéré, curviligne entre deux extrémités qui appartiennent aux bords longitudinaux de cette face, la normale est définie comme étant la perpendiculaire au segment qui relie ces deux extrémités.When the longitudinal face is, in the cross sectional plane considered, curvilinear between two ends which belong to the longitudinal edges of this face, the normal is defined as being perpendicular to the segment which connects these two ends.

Lorsque l'axe longitudinal est rectiligne, la coupe transversale est perpendiculaire à cet axe.When the longitudinal axis is rectilinear, the cross section is perpendicular to this axis.

Lorsque l'axe longitudinal est curviligne, la coupe transversale en un point de l'âme est perpendiculaire à la tangente à l'axe en ce point.When the longitudinal axis is curvilinear, the cross-section at one point of the core is perpendicular to the tangent to the axis at that point.

Dans un exemple de mise en oeuvre de l'invention, certaines dents se raccordent avec une surface de la dent orientée obliquement ou perpendiculairement par rapport à la face longitudinale de l'âme et d'autres avec une surface de la dent orientée obliquement, ce qui permet d'avoir des dents ayant des longueurs proches tout en ayant leurs extrémités libres à des distances différentes de l'âme.In an exemplary embodiment of the invention, 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. which makes it possible to have teeth having similar lengths while having their free ends at different distances from the soul.

La surface enveloppe de l'organe d'application, lorsqu'observée en section transversale, peut ainsi être non circulaire et passer par exemple alternativement, lorsque l'on tourne autour de l'âme, d'une distance à l'âme supérieure à un rayon moyen à une distance à l'âme inférieure à ce rayon moyen et inversement.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.

La surface enveloppe peut par exemple avoir une forme conique ou pyramidale au niveau d'au moins une extrémité de l'âme, notamment celle qui se raccorde à la tige. La surface enveloppe peut par exemple être conique ou pyramidale divergeant en éloignement de la tige à partir de celle-ci.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.

Le fait que les extrémités libres des dents ne se situent pas toutes à la même distance de l'axe longitudinal peut améliorer la pénétration des dents dans les cils, notamment lors d'un mouvement de rotation de l'applicateur relativement aux cils lors de l'application.The fact that the free ends of the teeth are not all at the same distance from the longitudinal axis can improve the penetration of the teeth in the eyelashes, in particular during a rotational movement of the applicator relative to the eyelashes during the lashing. 'application.

En jouant sur la géométrie des dents et leur écartement, il est possible de constituer des cavités plus ou moins importantes entre les dents, de telles cavités pouvant se charger en produit. Il est ainsi possible de réaliser une rangée de dents capable de se charger avec une quantité substantielle de produit, sans pour autant que cette rangée de dents ne perde sa capacité à agripper les cils.By playing on the geometry of the teeth and their spacing, it is possible to form more or less important cavities between the teeth, such cavities can be loaded product. It is thus possible to make a row of teeth capable of loading with a substantial amount of product, without this row of teeth losing its ability to grip the eyelashes.

Dans des exemples de mise en oeuvre de l'invention, les dents peuvent être réalisées relativement facilement, par moulage ou surmoulage avec l'âme.In exemplary embodiments of the invention, the teeth can be made relatively easily, by molding or overmolding with the core.

L'applicateur peut être réalisé avec une disposition des dents sur l'âme facilitant la venue des cils au contact de cette dernière, laquelle peut présenter un état de surface parfaitement défini, ce qui n'est pas toujours le cas d'une brosse conventionnelle à âme torsadée.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.

Dans un exemple de mise en oeuvre de l'invention, les cils peuvent se charger en produit au contact de l'âme. L'âme peut participer ainsi d'une manière active à l'application du produit sur les cils, ce qui offre plus de liberté dans le choix et l'agencement des dents.In an exemplary implementation of the invention, 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.

Par « rangée », on désigne une succession de dents se situant généralement d'un même côté de l'âme et se succédant lorsque l'on progresse le long de l'âme.By "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.

Les dents d'au moins une rangée peuvent se raccorder à la face longitudinale de l'âme correspondante d'un même côté d'une ligne longitudinale médiane de cette face longitudinale de l'âme.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.

Les dents du premier et/ou du deuxième ensemble de dents peuvent être sensiblement droites.The teeth of the first and / or second set of teeth may be substantially straight.

Les dents peuvent avoir des bases qui ne sont pas centrées sur la face longitudinale de l'âme à laquelle elles se raccordent.The teeth may have bases that are not centered on the longitudinal face of the soul to which they are connected.

Les bases des dents d'une rangée sont alignées ou disposées en quinconce. Dans le cas d'une disposition en quinconce, une pluralité de dents consécutives de la rangée est décalée au moins partiellement alternativement de part et d'autre d'une surface géométrique de séparation. Les dents consécutives peuvent être entièrement décalées alternativement de part et d'autre de la surface géométrique de séparation. Par « entièrement décalées », il faut comprendre que la surface géométrique de séparation ne traverse pas les dents, étant au plus tangente à celles-ci.The bases of the teeth of a row are aligned or arranged in staggered rows. In the case of 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. By "completely offset", it should be understood that the geometric separation surface does not cross the teeth, being at most tangential to them.

Toutes les dents de chaque rangée peuvent être décalées alternativement de part et d'autre d'une surface géométrique de séparation associée à la rangée.All the teeth of each row can be shifted alternately on either side of a geometric separation surface associated with the row.

Deux dents consécutives d'une rangée peuvent ne pas être l'image l'une de l'autre par un simple mouvement de translation, notamment lorsque les dents présentent en section transversale une forme non circulaire.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.

Les dents des premier et deuxième ensembles précités peuvent être disposées en alternance au sein d'au moins une rangée.The teeth of the first and second sets mentioned above can be arranged alternately within at least one row.

Au moins deux dents consécutives d'une rangée de dents peuvent avoir des premières faces ayant une même première forme, par exemple plane, notamment au moins au niveau de la portion inférieure de la dent, et des deuxièmes faces ayant une même deuxième forme, par exemple non plane, notamment arrondie. Les premières faces peuvent être orientées dans le même sens giratoire autour de l'âme, c'est-à-dire être toutes dirigées dans le sens horaire ou anti-horaire, lorsque l'âme est observée selon son axe longitudinal.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.

Les premières faces, notamment lorsqu'elles sont planes, peuvent s'étendre sensiblement dans le prolongement d'une face longitudinale de l'âme adjacente à celle à laquelle elles se raccordent. Une telle disposition peut faciliter le moulage de l'organe d'application.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.

Les premières faces des dents, notamment lorsqu'elles sont planes, peuvent se raccorder sensiblement perpendiculairement à la face correspondante de l'âme, au moins pour certaines dents de la rangée.The first faces of the teeth, especially when they are flat, can be connected substantially perpendicular to the corresponding face of the soul, at least for some teeth of the row.

La section transversale d'une dent au moins, voire de chaque dent, peut être de forme sensiblement semi-circulaire ou semi-elliptique, ou être autre encore.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.

Au moins une dent d'une rangée peut s'étendre au moins au niveau de la portion se raccordant à l'âme, voire sur toute sa longueur, selon une première direction Z1, perpendiculaire à la face longitudinale de l'âme à laquelle la dent se raccorde ou faisant un faible angle avec la normale, par exemple inférieur à 10°, mieux 5°. Une dent consécutive de la rangée peut s'étendre à partir de la même face de l'âme selon une deuxième direction Z2, au moins au niveau de la portion se raccordant à l'âme, voire sur toute sa longueur, faisant un angle α avec la première direction, lorsque l'âme est observée selon son axe longitudinal.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 α with the first direction, when the soul is observed along its longitudinal axis.

Sensiblement la moitié des dents d'une rangée peut s'étendre parallèlement à la première direction Z1. L'angle α entre les directions Z1 et Z2 peut être compris entre 5 et 80°.Substantially half of the teeth of a row may extend parallel to the first direction Z 1 . The angle α between the directions Z 1 and Z 2 can be between 5 and 80 °.

Au moins deux dents consécutives d'une rangée peuvent ne pas se toucher. Au moins deux dents consécutives de la rangée peuvent être séparées par une distance non nulle mesurée selon l'axe longitudinal de la rangée, cette distance étant par exemple comprise entre 0,01 et 1 mm.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.

L'âme peut comporter une pluralité de faces longitudinales, comme évoqué ci-dessus, et l'applicateur peut comporter des rangées de dents s'étendant chacune à partir de l'une des faces longitudinales de l'âme.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.

Les dents peuvent se rattacher perpendiculairement à l'âme ou avec un angle de telle sorte que toutes les dents soient orientées par rapport à l'âme dans un même sens giratoire lorsque l'âme est observée selon son axe longitudinal. L'organe d'application peut ainsi être dépourvu de dents orientées dans des sens giratoires contraires. Par exemple, lorsque l'âme est observée depuis son extrémité distale, toutes les dents s'étendant obliquement peuvent être orientées dans le sens anti-horaire.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.

L'applicateur peut comporter une seule rangée de dents par face longitudinale de l'âme.The applicator may comprise a single row of teeth per longitudinal side of the core.

L'applicateur peut comporter en tout entre deux et dix rangées par exemple, notamment entre trois et huit rangées, ayant par exemple un nombre pair de rangées.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.

La longueur d'une rangée peut être comprise entre 10 et 45 mm environ, notamment entre 15 et 35 mm, voire entre 20 et 30 mm, étant par exemple de 25 mm environ.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.

Lorsque l'on observe l'âme selon son axe longitudinal, le passage d'une rangée aux autres peut s'effectuer par une rotation d'un sous-multiple entier de 360° autour de l'axe longitudinal de l'âme, par exemple une rotation de 360°/n, où n est un nombre entier compris entre 2 et 8 par exemple.When the soul is observed along its longitudinal axis, 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.

L'âme peut présenter, dans un plan de coupe transversal, une symétrie axiale, notamment autour de son axe longitudinal.The core may have, in a transverse sectional plane, an axial symmetry, especially around its longitudinal axis.

L'âme peut s'étendre selon un axe longitudinal rectiligne. En variante, l'âme peut s'étendre selon un axe longitudinal courbe. L'âme peut s'étendre selon un axe longitudinal faisant en au moins un point de sa longueur un angle avec l'axe longitudinal d'une tige à laquelle est fixée l'âme. L'âme peut être coudée au niveau de son raccordement à la tige.The soul can extend along a rectilinear longitudinal axis. Alternatively, 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.

Les extrémités libres des dents peuvent définir une surface enveloppe qui s'étend selon un axe longitudinal formant un angle non nul avec l'axe longitudinal de l'âme.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.

L'âme peut comporter au moins une face longitudinale plane. En variante, l'âme peut comporter au moins une face longitudinale non plane, étant par exemple au moins partiellement concave ou convexe.The core may comprise at least one flat longitudinal face. As a variant, the core may comprise at least one non-planar longitudinal face, being for example at least partially concave or convex.

Une dent au moins, voire chaque dent d'une rangée ou de l'applicateur, peut s'étendre à partir d'une face longitudinale correspondante non plane de l'âme, de manière sensiblement perpendiculaire à un plan tangent à l'âme au niveau de cette dent.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.

L'âme peut comporter une face longitudinale concave ou convexe en section transversale, dont la concavité ou la convexité peut varier lorsque l'on se déplace le long de l'axe longitudinal de l'âme.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.

L'âme peut comporter une face longitudinale vrillée.The soul may comprise a longitudinal twisted face.

L'applicateur peut comporter des dents de même hauteur ou de différentes hauteurs. La hauteur des dents peut être comprise entre 0,5 et 4 mm, notamment entre 0,7 et 3 mm, voire entre 1 et 2 mm. Au sein d'une rangée de dents, le nombre de dents peut être compris entre 6 et 60 environ, notamment entre 10 et 45 environ, étant par exemple compris entre 40 et 45.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. Within a row of teeth, the number of teeth may be between 6 and 60 approximately, especially between 10 and 45 approximately, being for example between 40 and 45.

Au moins une rangée de dents peut s'étendre selon un axe rectiligne, qui peut être parallèle ou non à l'axe longitudinal de l'âme.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.

Au moins deux dents d'au moins une rangée peuvent présenter des longueurs différentes ou identiques. Au moins deux dents d'une rangée au moins peuvent présenter des formes différentes ou identiques. Au moins une dent d'au moins une rangée peut présenter une forme générale effilée en direction de son extrémité libre.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.

Lorsque l'applicateur comporte plusieurs rangées de dents, au moins une dent de l'une des rangées peut présenter une forme différente d'une dent d'une autre rangée. Au moins une dent d'une rangée peut présenter par exemple une longueur différente de celle d'une autre dent de cette rangée, notamment d'une dent consécutive.When the applicator has several rows of teeth, 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.

Lorsque l'âme est observée selon son axe longitudinal, deux dents d'une rangée peuvent s'étendre à leur base dans des directions qui forment entre elles un premier angle et deux dents d'une autre rangée peuvent s'étendre à leur base dans des directions qui forment entre elles un deuxième angle, les premier et deuxième angles pouvant être égaux ou différents.When the soul is observed along its longitudinal axis, 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.

Au sein de chaque rangée, les dents peuvent être régulièrement espacées le long de l'axe longitudinal de la rangée ou rassemblées par groupes de deux dents ou plus, l'écartement entre les dents d'un groupe le long de l'axe longitudinal de la rangée étant par exemple inférieur à l'écartement entre deux groupes de dents adjacents de cette rangée.Within each row, 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.

Les dents peuvent être initialement séparées de l'âme et fixées à cette dernière pour former l'applicateur. En variante, les dents peuvent être réalisées d'un seul tenant avec l'âme, par exemple par moulage, notamment par injection. Les dents peuvent être formées par monoinjection de matière ou surinjection, de préférence dans une matière thermoplastique, laquelle peut être élastomérique.The teeth may be initially separated from the core and attached thereto to form the applicator. Alternatively, 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.

Les dents peuvent être réalisées dans une matière plus ou moins rigide qu'un matériau utilisé pour réaliser la tige de l'applicateur à laquelle se raccorde l'âme.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.

L'un au moins de l'âme et d'une dent peut présenter des propriétés magnétiques. Ces dernières peuvent être dues par exemple à une charge de particules magnétiques dispersées dans la matière plastique de l'âme et/ou de la dent.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.

L'un au moins de l'âme et d'une dent peut être floqué et/ou comporter une charge, destinée par exemple à améliorer le glissement.At least one of the core and a tooth can be flocked and / or comprise a load, intended for example to improve sliding.

L'âme peut être constituée par une pièce rapportée sur la tige de l'applicateur. En variante, l'âme peut être réalisée par moulage de matière plastique d'un seul tenant avec la tige de l'applicateur.The core may be constituted by an insert on the rod of the applicator. Alternatively, the core may be made by plastic molding integrally with the applicator shaft.

L'âme peut être réalisée dans une matière plastique plus ou moins souple que celle servant à réaliser la tige de l'applicateur.The core may be made of a plastic material more or less flexible than that used to make the rod of the applicator.

L'âme peut présenter une section transversale sensiblement constante au moins sur une portion de sa longueur. L'âme peut encore présenter une section transversale variable. La section transversale de l'âme peut passer par un extremum sensiblement à mi-longueur de l'âme, cet extremum étant par exemple un minimum. Cela peut conférer à l'âme une flexibilité accrue et permettre de définir une surface enveloppe de section variable le long de l'organe d'application.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.

L'âme peut présenter sur au moins une portion de sa longueur une section transversale ayant une forme de polygone, régulier ou non, de préférence régulier, par exemple triangulaire, rectangulaire, carré, pentagonal, hexagonal ou octogonal, les côtés correspondant aux faces longitudinales de l'âme pouvant être droits ou légèrement concaves ou convexes.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.

L'âme peut ainsi présenter une section transversale non circulaire sur la majeure partie de sa longueur.The soul can thus have a non-circular cross section over most of its length.

L'âme peut être fixée à une première extrémité de la tige de l'applicateur. L'âme peut être fixée à la tige de l'applicateur par insertion d'un embout prolongeant la portion apparente de l'âme dans un logement ménagé à l'extrémité de la tige. En variante, l'âme peut comporter un logement s'étendant longitudinalement, dans lequel est insérée la tige.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. Alternatively, the core may comprise a longitudinally extending housing in which the rod is inserted.

Quelle que soit la manière dont l'âme se raccorde à la tige, cette dernière peut être munie d'un élément de préhension, lequel peut être configuré pour fermer de manière étanche un récipient contenant le produit à appliquer. Ce récipient peut comporter un organe d'essorage, lequel peut être adapté à essorer la tige et l'organe d'application.Whatever the manner in which the core connects to the stem, 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.

L'applicateur peut être dépourvu de métal, ce qui peut permettre son passage dans un four à micro-ondes.The applicator may be devoid of metal, which may allow its passage in a microwave oven.

Le cas échéant, l'âme peut être évidée intérieurement, et comporter par exemple au moins un trou permettant le passage du produit à travers l'organe d'application.Where appropriate, the core may be recessed internally, and for example comprise at least one hole allowing the product to pass through the applicator member.

L'invention a encore pour objet, selon l'un de ses aspects, indépendamment ou en combinaison avec ce qui précède, un applicateur comportant :

  • une âme s'étendant selon un axe longitudinal, présentant une pluralité de faces longitudinales, et
  • une unique rangée de dents s'étendant à partir de chacune d'au moins deux faces longitudinales de l'âme, notamment de chaque face longitudinale de l'âme, au moins un premier ensemble de premières dents de cette rangée ayant une surface se raccordant obliquement ou perpendiculairement à la face longitudinale correspondante de l'âme et au moins un deuxième ensemble de deuxièmes dents de cette rangée ayant une surface se raccordant obliquement à cette même face longitudinale de l'âme, lorsque cette dernière est observée selon son axe longitudinal.
The invention further relates, in one of its aspects, independently or in combination with the foregoing, to an applicator comprising:
  • a core extending along a longitudinal axis, having a plurality of longitudinal faces, and
  • a single row of teeth extending from each of at least two longitudinal faces of the core, in particular of each longitudinal face of the core, at least a first set of first teeth of this row having a connecting surface obliquely or perpendicularly to the corresponding longitudinal face of the core and at least a second set of second teeth of this row having a surface of connecting obliquely to the same longitudinal face of the soul, when the latter is observed along its longitudinal axis.

Au moins une première dent du premier ensemble et une deuxième dent du deuxième ensemble peuvent se raccorder à la face longitudinale correspondante de l'âme dans des directions différentes. Les dents du premier ensemble de dents peuvent être sensiblement droites.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.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, un applicateur pour l'application d'un produit sur les cils ou les sourcils, comportant :

  • une âme s'étendant selon un axe longitudinal, et présentant au moins deux faces longitudinales, et
  • au moins deux rangées de dents sur deux faces longitudinales respectives de l'âme, les dents ayant des premières faces longitudinales planes s'étendant sur sensiblement toute leur hauteur et des deuxièmes faces longitudinales à l'opposé des premières, non planes, les premières faces longitudinales planes étant orientées dans le même sens giratoire autour de l'âme.
The invention further relates, independently or in combination with the foregoing, to an applicator for applying a product to the eyelashes or the eyebrows, comprising:
  • a core extending along a longitudinal axis, and having at least two longitudinal faces, and
  • at least two rows of teeth on two respective longitudinal sides of the core, the teeth having first planar longitudinal faces extending over substantially their entire height and second longitudinal faces opposite the first, non-planar, first faces; longitudinal planes being oriented in the same direction of rotation around the soul.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, un applicateur pour l'application d'un produit sur les cils ou les sourcils, comportant :

  • une âme s'étendant selon un axe longitudinal, comportant au moins deux faces longitudinales, et
  • au moins deux rangées de dents sur l'âme s'étendant chacune à partir d'une face longitudinale de l'âme,
  • une pluralité de dents consécutives d'une rangée étant décalées au moins partiellement alternativement de part et d'autre d'une surface géométrique de séparation, les dents de la pluralité comportant chacune une première face de même forme, les premières faces étant orientées dans le même sens giratoire autour de l'âme, deux dents consécutives de la pluralité ayant des axes longitudinaux faisant entre eux un angle non nul lorsque l'âme est observée selon son axe longitudinal.
The invention further relates, independently or in combination with the foregoing, to an applicator for applying a product to the eyelashes or the eyebrows, comprising:
  • a core extending along a longitudinal axis, having at least two longitudinal faces, and
  • at least two rows of teeth on the core each extending from a longitudinal face of the core,
  • a plurality of consecutive teeth of a row being offset at least partially alternately on either side of a geometric separation surface, the plurality of teeth each having a first face of the same shape, the first faces being oriented in the same rotating direction around the soul, two consecutive teeth of the plurality having longitudinal axes forming between them a non-zero angle when the soul is observed along its longitudinal axis.

L'invention a encore pour objet, selon un autre de ses aspects, un applicateur comportant un organe d'application ayant une âme allongée selon un axe longitudinal, de section transversale polygonale sur au moins une portion de sa longueur, au moins une rangée de dents se raccordant à une face longitudinale, cette rangée comportant au moins une dent ayant une face s'étendant dans le plan de la face longitudinale adjacente et une dent s'étendant obliquement lorsque l'âme est observée selon son axe longitudinal.According to another of its aspects, 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.

L'invention a encore pour objet un dispositif de conditionnement et d'application d'un produit sur les fibres kératiniques, notamment les cils ou les sourcils, comportant l'un quelconque des applicateurs tels que définis ci-dessus, et un récipient contenant le produit.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.

Ce récipient peut comporter un organe d'essorage.This container may comprise a wiper member.

L'invention a encore pour objet un procédé de maquillage des cils ou sourcils au moyen d'un applicateur tel que défini plus haut.The invention also relates to a process for making eyelashes or eyebrows using an applicator as defined above.

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, et à l'examen du dessin annexé, sur lequel :

  • - la figure 1 est une vue schématique en élévation, avec coupe longitudinale partielle, d'un exemple de dispositif réalisé conformément à l'invention,
  • - la figure 2 représente isolément, de côté, l'organe d'application de la figure 1,
  • - les figures 3 et 4 sont des coupes transversales selon III-III et IV-IV respectivement, de la figure 2,
  • - la figure 5 est une coupe transversale d'une dent selon V-V de la figure 4,
  • - la figure 6 est une vue en perspective, schématique et partielle, de l'organe d'application de la figure 2,
  • - la figure 7 est une vue analogue à la figure 2 d'une variante de réalisation,
  • - les figures 8 et 9 sont des coupes transversales respectivement selon VIII-VIII et IX-IX de la figure 7,
  • - la figure 10 est une vue en perspective, schématique et partielle, de l'organe d'application de la figure 7,
  • - les figures 11 à 15 sont des coupes transversales analogues à la figure 3, de variantes de réalisation,
  • - - la figure 16 est une vue de côté, partielle, d'une face longitudinale de l'applicateur selon une variante de réalisation,
  • - la figure 17 est une vue analogue à la figure 2 d'une variante de réalisation,
  • - la figure 18 est une coupe longitudinale, schématique et partielle, de l'organe d'application de la figure 17,
  • - la figure 19 est une vue analogue à la figure 18 d'une variante de réalisation,
  • - la figure 20 est une coupe transversale, schématique et partielle, selon XX-XX de la figure 19,
  • - la figure 21 est une vue en perspective d'une variante de réalisation,
  • - la figure 22 est une vue analogue à la figure 2 d'une autre variante,
  • - les figures 23 et 24 représentent de manière schématique des surfaces enveloppes d'autres variantes de réalisation,
  • - la figure 25 est une coupe longitudinale, schématique et partielle, d'une variante de réalisation de l'organe d'essorage,
  • - les figures 26 à 28 illustrent des variantes de réalisation des dents,
  • - la figure 29 est une coupe transversale partielle, analogue à la figure 3, d'une variante de réalisation,
  • - la figure 30 est une vue analogue à la figure 2 d'une variante de réalisation de l'organe d'application,
  • - la figure 31 est une vue axiale selon XXXI de la figure 30,
  • - la figure 32 est une coupe longitudinale selon XXXII-XXXII de la figure 31,
  • - la figure 33 représente un détail XXXIII de la figure 32,
  • - la figure 34 est une section transversale selon XXXIV-XXXIV de la figure 30,
  • - la figure 35 est une section transversale selon XXXV-XXXV de la figure 30,
  • - la figure 36 est une section transversale selon XXXVI-XXXVI de la figure 30,
  • - la figure 37 est une section transversale de la base d'une dent, et
  • - les figures 38 à 42 représentent de manière schématique des surfaces enveloppes d'autres variantes de réalisation,
  • - les figures 43 et 44 représentent des détails de variantes de réalisation de la tige.
The invention will be better understood on reading the following detailed description, non-limiting examples of implementation thereof, and on examining the appended drawing, in which:
  • - the figure 1 is a schematic view in elevation, with partial longitudinal section, of an exemplary device produced according to the invention,
  • - the figure 2 stands alone, aside, the enforcement body of the figure 1 ,
  • - the Figures 3 and 4 are cross-sections along III-III and IV-IV, respectively, of the figure 2 ,
  • - the figure 5 is a cross section of a tooth according to VV of the figure 4 ,
  • - the figure 6 is a perspective view, schematic and partial, of the application organ of the figure 2 ,
  • - the figure 7 is a view similar to the figure 2 an alternative embodiment,
  • - the Figures 8 and 9 are cross sections respectively according to VIII-VIII and IX-IX of the figure 7 ,
  • - the figure 10 is a perspective view, schematic and partial, of the application organ of the figure 7 ,
  • - the Figures 11 to 15 are cross-sections similar to the figure 3 , variants,
  • - - the figure 16 is a partial side view of a longitudinal face of the applicator according to an embodiment variant,
  • - the figure 17 is a view similar to the figure 2 an alternative embodiment,
  • - the figure 18 is a longitudinal section, schematic and partial, of the application organ of the figure 17 ,
  • - the figure 19 is a view similar to the figure 18 an alternative embodiment,
  • - the figure 20 is a cross section, schematic and partial, according to XX-XX of the figure 19 ,
  • - the figure 21 is a perspective view of an alternative embodiment,
  • - the figure 22 is a view similar to the figure 2 another variant,
  • - the Figures 23 and 24 schematically represent enveloping surfaces of other embodiments,
  • - the figure 25 is a longitudinal section, schematic and partial, of an alternative embodiment of the wiper member,
  • - the Figures 26 to 28 illustrate alternative embodiments of the teeth,
  • - the figure 29 is a partial cross section similar to the figure 3 , an embodiment variant,
  • - the figure 30 is a view similar to the figure 2 an alternative embodiment of the application member,
  • - the figure 31 is an axial view according to XXXI of the figure 30 ,
  • - the figure 32 is a longitudinal section according to XXXII-XXXII of the figure 31 ,
  • - the figure 33 represents a detail XXXIII of the figure 32 ,
  • - the figure 34 is a cross section according to XXXIV-XXXIV of the figure 30 ,
  • - the figure 35 is a cross section according to XXXV-XXXV of the figure 30 ,
  • - the figure 36 is a cross section according to XXXVI-XXXVI of the figure 30 ,
  • - the figure 37 is a cross section of the base of a tooth, and
  • - the Figures 38 to 42 schematically represent enveloping surfaces of other embodiments,
  • - the Figures 43 and 44 represent details of alternative embodiments of the rod.

On a représenté à la figure 1 un dispositif de conditionnement et d'application réalisé conformément à l'invention, comportant un applicateur 2 et un récipient associé 3 contenant un produit P à appliquer sur les cils et/ou les sourcils, par exemple du mascara ou un produit de soin.We have shown 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.

Le récipient 3 comporte, dans l'exemple considéré, un col fileté 4 et l'applicateur 2 comporte un capuchon de fermeture 5 agencé pour se fixer sur le col 4 afin de fermer le récipient 3 de manière étanche en l'absence d'utilisation, le capuchon de fermeture 5 constituant également un élément de préhension pour l'applicateur 2.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.

L'applicateur 2 comporte une tige 7 d'axe longitudinal Y, qui se raccorde à son extrémité supérieure au capuchon de fermeture 5 et, à son extrémité inférieure, à un organe d'application 8.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.

Le récipient 3 comporte également un organe d'essorage 6, inséré dans le col 4.The container 3 also comprises a wiper member 6, inserted in the neck 4.

Cet organe d'essorage 6, qui peut être quelconque, comporte dans l'exemple considéré une lèvre 9 agencée pour essorer la tige 7 et l'organe d'application 8 lorsque l'applicateur 2 est retiré du récipient 3.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.

Dans l'exemple illustré, la tige 7 présente une section transversale circulaire mais on ne sort pas du cadre de la présente invention lorsque la tige 7 présente une section autre, la fixation du capuchon 5 sur le récipient 3 pouvant alors être effectuée autrement que par vissage, si nécessaire. L'organe d'essorage 6 pourra être adapté à la forme de la tige 7 et à celle de l'organe d'application 8, le cas échéant.In the example shown, 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.

Dans l'exemple considéré, l'axe longitudinal Y de la tige 7 est rectiligne et confondu avec l'axe longitudinal du récipient 3 lorsque l'applicateur 2 est en place sur celui-ci, mais on ne sort pas du cadre de la présente invention lorsque la tige 7 est non rectiligne, formant par exemple un coude.In the example considered, 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.

La tige 7 peut comporter, le cas échéant, un rétreint annulaire sur sa portion qui vient se positionner en regard de la lèvre 9 de l'organe d'essorage 6, de façon à ne pas solliciter mécaniquement celle-ci outre mesure pendant le stockage.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 .

En se reportant aux figures 2 à 4, on peut voir que l'organe d'application 8 comporte une âme 10 de forme allongée, s'étendant selon un axe longitudinal X.Referring to Figures 2 to 4 it can be seen that the applicator member 8 comprises a core 10 of elongate shape, extending along a longitudinal axis X.

Dans l'exemple considéré, l'âme 10 présente sur la majorité de sa longueur une section transversale polygonale, dont les côtés définissent des faces longitudinales 15 sensiblement planes. L'axe longitudinal X est central.In the example considered, 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.

Sur chacune de ces faces longitudinales 15 se raccorde dans l'exemple illustré une unique rangée 17 de dents 18.On each of these longitudinal faces 15 is connected in the illustrated example a single row 17 of teeth 18.

Les dents 18 sont réalisées dans l'exemple considéré d'un seul tenant par moulage de matière thermoplastique avec l'âme 10.The teeth 18 are made in the example considered in one piece by molding thermoplastic material with the core 10.

On peut utiliser pour mouler l'organe d'application 8 une matière thermoplastique relativement rigide ou non, par exemple du SEBS, un silicone, du butyle, de l'EPDM, un nitrile, un élastomère thermoplastique, un élastomère de polyester, de polyamide, de polyéthylène ou de vinyle, mais aussi une polyoléfine telle que du PE ou PP, du PVC, du PS, du PET, du POM, du PA ou du PMMA. On peut notamment utiliser les matériaux connus sous les marques Hytrel®, Cariflex®, Alixine®, Santoprène®, Pebax®, cette liste n'étant pas limitative.Can be used to mold the applicator member 8 a relatively rigid thermoplastic material or not, 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. In particular, materials known as Hytrel®, Cariflex®, Alixine®, Santoprene®, Pebax® can be used, this list not being limiting.

L'organe d'application 8 peut encore, le cas échéant, être réalisé par moulage d'un matériau métallique ou par usinage.The applicator member 8 can also, if necessary, be made by molding a metal material or by machining.

Les dents et l'âme peuvent être réalisées dans des matières différentes.The teeth and the soul can be made in different materials.

La configuration des dents peut faciliter le moulage au moyen d'un moule comportant une pluralité de coquilles respectivement associées aux différentes faces longitudinales 15, ces coquilles pouvant s'écarter les unes des autres en se déplaçant radialement vers l'extérieur lors du démoulage.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.

L'utilisation de telles coquilles peut permettre d'éviter une trop forte sollicitation mécanique des dents lors du démoulage et peut faciliter l'emploi, pour réaliser l'organe d'application, d'une matière thermoplastique relativement rigide. L'emploi d'une telle matière peut être souhaité pour accroître la charge de produit et/ou mieux lisser le produit sur les cils.The use of such shells can avoid too much mechanical stress of the teeth during demolding and can facilitate the use, to achieve the applicator member, 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.

L'organe d'application 8 peut comporter, à son extrémité distale 12, une tête effilée vers l'avant, afin de faciliter la rentrée de l'applicateur 2 dans le récipient 3. La tête effilée vers l'avant peut encore permettre d'éviter l'encrassage de l'organe d'application 8. La hauteur des dents 18 peut diminuer en rapprochement de la tête 12, le long d'une portion de transition distale 13a, comme illustré sur la figure 2.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 .

La hauteur des dents 18 peut également diminuer le long d'une portion de transition proximale 13b en direction de la tige 7, de façon à faciliter le franchissement de l'organe d'essorage 6 par l'organe d'application 8 lors du retrait de l'applicateur 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.

La tête 12 peut être à symétrie de révolution ou comporter des ailettes radiales, comme illustré sur la figure 2.The head 12 may be symmetrical in revolution or may comprise radial fins, as shown in FIG. figure 2 .

L'âme 10 est prolongée, dans l'exemple considéré, de son côté proximal, par un embout cylindrique 14 qui permet sa fixation sur la tige 7. La fixation peut notamment se faire par encliquetage, collage, soudage ou sertissage. L'âme 10 peut encore être réalisée d'un seul tenant par moulage de matière avec la tige 7 ou avec un logement dans lequel est insérée la tige 7.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.

Les faces longitudinales 15 sont dans l'exemple décrit au nombre de quatre, comme on peut le voir sur les figures 3 et 4, la section transversale de l'âme étant sensiblement carrée.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.

Chaque rangée 17 de dents 18 comporte un premier ensemble 20 de premières dents se raccordant en faisant un angle αZ1 avec la normale à la face correspondante 15 de l'âme 10, et un deuxième ensemble 30 de deuxièmes dents se raccordant obliquement à cette face 15 en faisant un angle αZ2 avec cette normale. Les angles αZ1 et αZ2 sont mesurés dans le plan de la section transversale qui passe par le milieu de la base de la dent concernée. Ce plan est perpendiculaire à l'axe longitudinal de l'âme en ce point lorsque rectiligne et, lorsque cet axe est curviligne, à la tangente à l'axe en ce point.Each row 17 of teeth 18 comprises a first set 20 of first teeth connecting at an angle α 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 α Z2 with this normal. The angles α Z1 and α 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.

Les dents 18 du premier ensemble de dents 20 sont droites, s'étendant selon une direction Z1 sensiblement perpendiculaire à la face 15, l'angle αZ1 étant relativement faible, par exemple inférieur à 10°, voire 5°.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 α Z1 being relatively small, for example less than 10 °, or even 5 °.

Les dents 18 du deuxième ensemble de dents 30 sont également droites dans l'exemple considéré, s'étendant selon une direction Z2 formant un angle α avec la direction Z1.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 α with the direction Z 1 .

L'angle α peut par exemple être compris entre 20 et 80°.The angle α may for example be between 20 and 80 °.

On peut voir sur les figures 3 et 4 que chaque rangée comporte des dents ayant une surface se raccordant perpendiculairement à la face longitudinale correspondante 15.We can see on Figures 3 and 4 each row comprises teeth having a surface connecting perpendicular to the corresponding longitudinal face 15.

Dans l'exemple décrit, les dents 18 de chaque rangée 17 sont disposées en quinconce. Deux dents consécutives 18 de chaque rangée 17 sont décalées alternativement de part et d'autre d'une surface géométrique de séparation S, cette surface S étant par exemple un plan bissecteur de l'angle a.In the example described, 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.

Les dents du premier ensemble 20 sont disposées d'un côté de cette surface géométrique de séparation S tandis que celles du deuxième ensemble 30 sont disposées de l'autre côté de celle-ci, lorsque l'âme 10 est observée selon son axe longitudinal.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.

Au sein de chaque rangée 17, les bases des dents du premier ensemble 20 et du deuxième ensemble 30 sont non alignées, car situées respectivement entièrement de part et d'autre de la surface géométrique de séparation S.Within each row 17, 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.

Les dents du premier ensemble 20 et du deuxième ensemble 30 ne se chevauchent pas, dans l'exemple illustré, lorsque l'organe d'application est observé de côté, dans une direction perpendiculaire à l'axe X, comme illustré sur la figure 2.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 .

Lorsque l'âme est observée selon son axe longitudinal, comme sur la figure 3, les extrémités libres 18a des dents du premier ensemble de dents 20 sont disposées au-delà d'un cercle moyen C centré sur l'axe X longitudinal de l'âme, tandis que les extrémités libres 18b des dents du deuxième ensemble 30 sont disposées à l'intérieur de ce cercle. Ainsi, les extrémités libres des dents de l'organe d'application 8 ne sont pas toutes à la même distance de l'axe longitudinal de l'organe d'application.When the soul is observed along its longitudinal axis, as on the figure 3 , 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. Thus, 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.

Une telle configuration peut permettre d'améliorer la pénétration des dents 18 dans les cils ou sourcils et peut améliorer ou faciliter le maquillage.Such a configuration can improve the penetration of the teeth 18 in the eyelashes or eyebrows and can improve or facilitate the makeup.

Par ailleurs, les directions Z1 et Z2 des dents 18 des premier 20 et deuxième 30 ensembles de dents ne coupent pas l'axe longitudinal X de l'âme, les dents étant excentrées par rapport à cet axe.On the other hand, 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.

On peut comprendre à l'examen de la figure 3 notamment que l'invention peut permettre d'avoir des dents ayant des extrémités libres non toutes situées à la même distance de l'axe longitudinal ainsi que des dents relativement longues, si cela est souhaité, ce qui peut être avantageux pour lisser les cils et favoriser le chargement de l'applicateur en produit.It can be understood by examining the figure 3 in particular that 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.

On peut voir sur les figures 2 à 4 que dans l'exemple illustré, à chaque dent 18 du premier ensemble 20 d'une rangée 17 peut être associée une dent respective du premier ensemble 20 d'une autre rangée 17, occupant sensiblement la même position axiale le long de l'axe X de l'âme, le passage d'une dent à l'autre s'effectuant par une rotation autour de l'axe X d'un sous-multiple de 360°, en l'espèce 90°. Il en est de même pour chaque dent 18 du deuxième ensemble 30.We can see on Figures 2 to 4 that in the illustrated example, to 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.

Les dents obliques 18 des différentes rangées sont orientées dans le même sens giratoire autour de l'âme, à savoir le sens horaire sur les figures 3 et 4. Dans l'exemple considéré, chaque dent 18 comporte une première face longitudinale 40 de forme plane et une deuxième face longitudinale 41 de forme arrondie, notamment convexe, comme on peut le voir sur la figure 5.The oblique teeth 18 of the different rows are oriented in the same direction of rotation around the soul, namely the clockwise direction on the Figures 3 and 4 . In the example considered, 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 .

Au moins deux dents 18 consécutives d'une rangée 17, et dans l'exemple décrit toutes les dents de chaque rangée 17, ont leurs premières faces 40 de même forme et leurs deuxièmes faces 41 de même forme, toutes les premières faces 40 étant orientées dans le même sens giratoire autour de l'âme 10, à savoir le sens anti-horaire sur les figures 3 et 4.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 .

Les premières faces 40 des dents du premier ensemble 20 de chaque rangée 17 s'étendent dans l'exemple décrit dans le plan d'une face 15 adjacente de l'âme. De plus, ces premières faces 40 s'étendent perpendiculairement à la face 15 à laquelle se raccordent les dents en question.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.

L'angle δ entre les faces 40 et 41 de deux dents consécutives d'une même rangée 17 est par exemple de l'ordre de 38°, lorsque l'âme est observée selon son axe longitudinal, comme sur la figure 4.The angle δ 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 .

En vue de côté, les extrémités libres 18a, 18b des dents 18 de chaque ensemble peuvent se projeter en vue de dessus sur la face longitudinale 15 correspondante, à proximité de la face 15 adjacente, comme on peut le voir sur la figure 2.In side view, 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 .

Les extrémités libres 18a et 18b des dents d'une rangée 17 peuvent se situer sensiblement à la même hauteur, relativement à la face longitudinale 15 correspondante.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.

Par ailleurs, les bases des dents consécutives de chaque rangée 17 peuvent se toucher ou non lorsque l'organe d'application est observé de côté. Dans l'exemple considéré, ces bases sont faiblement écartées.Moreover, 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.

L'âme peut comporter un nombre quelconque de faces longitudinales, toutes les caractéristiques décrites ci-dessus pouvant s'appliquer indépendamment du nombre de faces longitudinales.The core may comprise any number of longitudinal faces, all the characteristics described above being applicable independently of the number of longitudinal faces.

A titre d'exemple, on a illustré aux figures 7 à 10 une variante de réalisation dans laquelle l'âme 10 est de section transversale hexagonale et comporte six faces longitudinales 15, une rangée unique 17 de dents 18 se raccordant à chacune des faces longitudinales 15, de sorte que l'applicateur comporte en tout six rangées 17.For example, we illustrated to Figures 7 to 10 an alternative embodiment in which 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 .

Cet exemple de réalisation diffère en outre de celui illustré aux figures 1 à 6 par le fait que les dents 18 du premier ensemble de dents 20 comportent chacune une face plane 40 qui s'étend perpendiculairement à la face 15 longitudinale correspondante de l'âme, mais qui ne s'étend pas dans le plan d'une face longitudinale 15 adjacente.This embodiment also differs from that illustrated in Figures 1 to 6 in that the 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.

Dans l'exemple des figures 7 à 10, chaque rangée 17 comporte des dents ayant des faces planes 40 qui sont orientées perpendiculairement à la face longitudinale 15 correspondante de l'âme 10.In the example of Figures 7 to 10 each row 17 has teeth having flat faces 40 which are oriented perpendicular to the corresponding longitudinal face of the web 10.

Les extrémités libres des dents ne se situent pas à une même distance de l'axe longitudinal X de l'âme 10, les extrémités libres des dents orientées obliquement relativement à la face longitudinale correspondante étant par exemple plus éloignées de l'axe X que celles des autres dents.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.

On a illustré à la figure 11 une variante de réalisation dans laquelle l'âme 10 comporte seulement deux faces longitudinales opposées 15 à partir desquelles s'étendent des rangées respectives de dents 17. L'âme présente dans cet exemple une section transversale carrée. Les deux rangées sont symétriques l'une de l'autre par rapport à l'axe longitudinal X.We illustrated at the figure 11 an alternative embodiment in which 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.

Dans l'exemple de la figure 12, la section transversale de l'âme 10 est triangulaire, l'âme 10 présentant trois faces longitudinales 15 et trois rangées correspondantes 17 de dents 18.In the example of the figure 12 , 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.

Un organe d'application 8 selon l'invention peut comporter plus de deux dents apparentes par face longitudinale lorsque l'âme est observée selon son axe longitudinal, comme illustré à la figure 13.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 .

Dans cet exemple, l'organe d'application 8 comporte, outre les premières et deuxièmes dents 18 des ensembles 20 et 30, une ou plusieurs dents additionnelles 18 faisant par exemple un angle β supérieur à α avec la direction Z1.In this example, 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 β greater than α with the direction Z 1 .

Les dents additionnelles 18 constituent un troisième ensemble 130 de dents et peuvent par exemple alterner avec les dents du premier 20 et/ou du deuxième 30 ensemble de dents, le long de la rangée 17. En variante, les dents additionnelles 18 peuvent constituer une rangée supplémentaire s'étendant parallèlement à la rangée 17.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.

Les dents du troisième ensemble 130 de dents peuvent s'étendre dans le même sens giratoire, autour de l'axe longitudinal de l'âme 10, que les dents des deuxièmes ensembles 30 des différentes rangées, comme illustré.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.

Des dents de l'organe d'application peuvent, en variante encore, ne pas être orientées dans le même sens giratoire autour de l'âme.Teeth of the applicator member may alternatively not be oriented in the same direction of rotation around the core.

A titre d'exemple, on a illustré à la figure 13A un organe d'application comportant l'un des deuxièmes ensembles de dents 30 s'étendant dans un sens giratoire contraire des autres deuxièmes ensembles de dents autour de l'âme 10.For example, we illustrated at the figure 13A 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.

On ne sort pas du cadre de la présente invention si les dents du deuxième ensemble 30 de dents ne sont pas inclinées par rapport à la face longitudinale 15 de l'âme à laquelle elles se raccordent, comme c'est le cas dans la variante illustrée à la figure 14.It is not beyond the scope of the present invention if 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 .

Dans cet exemple, les directions Z1 et Z2 sont parallèles pour chaque rangée 17. La longueur des dents du premier ensemble 20 est proche de celle des dents du deuxième ensemble 30. Néanmoins, compte tenu du fait que les dents du premier ensemble 20 sont décalées latéralement par rapport aux dents du deuxième ensemble 30 et que les dents sont disposées non symétriquement par rapport à un plan médian contenant l'axe X, les extrémités 18a des dents du premier ensemble 20 de dents sont plus éloignées de l'axe X que celles 18b des dents du deuxième ensemble 30.In this example, 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.

Les dents du deuxième ensemble sont par exemple suffisamment décalées relativement à celles du premier ensemble pour que leurs extrémités libres 18b soient éloignées angulairement de celles 18a des autres dents de la rangée d'un angle ε autour de l'axe X, l'angle ε pouvant être strictement non nul, étant par exemple supérieur à 1° ou 5° ou 10°, voire 15°.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 ε about the axis X, the angle ε can be strictly non-zero, being for example greater than 1 ° or 5 ° or 10 °, or even 15 °.

Dans une variante non illustrée, les dents des premiers ensembles 20 de la figure 14 peuvent être remplacées par celles des premiers ensembles 20 de la figure 13.In a variant not illustrated, 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 .

En variante encore, toutes les dents, aussi bien celles du premier ensemble 20 que celles du deuxième ensemble 30, peuvent s'étendre avec des surfaces non perpendiculaires à la face longitudinale 15 à laquelle elles se raccordent, comme illustré à la figure 15, l'âme présentant dans cet exemple une section transversale hexagonale. Les dents peuvent être orientées dans le même sens giratoire, en l'espèce le sens horaire sur la figure 15.In another variant, all the teeth, both those of the first assembly 20 and those of the second assembly 30, 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 .

Dans les exemples qui viennent d'être décrits, l'axe longitudinal X de l'âme constitue un axe de symétrie de l'âme 10, compte tenu du fait que l'âme a une section transversale polygonale régulière, notamment carrée, hexagonale ou triangulaire.In the examples just described, 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.

Toujours dans les exemples qui viennent d'être décrits, les dents des premier 20 et deuxième 30 ensembles de dents 18 sont disposées en quinconce, leurs bases n'étant pas alignées.Still in the examples which have just been described, the teeth of the first 20 and second sets of teeth 18 are arranged in staggered rows, their bases not being aligned.

Il peut en être autrement et les bases des dents 18 peuvent être alignées, comme illustré à la figure 16, une même ligne parallèle à l'axe longitudinal X de l'âme 10 intersectant toutes les bases des dents alignées de la rangée.It may be otherwise and 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.

Les faces longitudinales 15 de l'âme 10 peuvent être non planes, étant par exemple concaves ou convexes sur au moins une portion de leur longueur.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.

A titre d'exemple, on a illustré aux figures 17 à 20 des exemples de réalisation dans lesquels l'âme 10 comporte des faces longitudinales 15 au moins partiellement concaves, la concavité étant par exemple centrée sur un plan médian de l'âme 10 coupant celle-ci sensiblement à mi-longueur.For example, we illustrated to Figures 17 to 20 examples of embodiments in which the core 10 has longitudinal faces 15 at least partially concave, the concavity being for example centered on a median plane of the core 10 cutting it substantially mid-length.

Dans l'exemple illustré aux figures 17 et 18, les dents 18 s'étendent perpendiculairement à l'axe longitudinal X de l'âme 10 lorsque l'organe d'application 8 est observé perpendiculairement à ce dernier, et dans l'exemple de réalisation des figures 19 et 20, les dents 18 s'étendent non pas perpendiculairement à l'axe X de l'âme 10, mais perpendiculairement à la face longitudinale 15 correspondante.In the example shown in Figures 17 and 18 , 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.

La concavité des faces longitudinales 15 peut être formée par un rétrécissement de la section transversale de l'âme 10.The concavity of the longitudinal faces 15 may be formed by a narrowing of the cross section of the core 10.

Dans une variante de réalisation, les faces longitudinales 15 de l'âme 10 sont vrillées, comme illustré à la figure 21, c'est-à-dire que le côté correspondant effectue au moins une rotation en direction de l'extrémité distale de l'âme.In an alternative embodiment, 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.

L'âme 10 peut être déformée au moment du démoulage par une rotation de l'embout 14, ou en variante dans le moule.The core 10 may be deformed at the time of demolding by a rotation of the tip 14, or alternatively in the mold.

L'axe longitudinal X de l'âme 10 peut être confondu avec l'axe longitudinal Y de la tige 7, mais on ne sort pas du cadre de la présente invention s'il en est autrement, et à titre d'exemple, on a illustré à la figure 22 une variante de réalisation dans laquelle l'axe longitudinal X de l'âme 10 forme un angle γ1 avec l'axe longitudinal Y de la tige. Une telle configuration peut améliorer l'application en facilitant la manipulation de l'applicateur.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 γ 1 with the longitudinal axis Y of the rod. Such a configuration can improve the application by facilitating the handling of the applicator.

L'âme peut s'étendre selon un axe longitudinal X non rectiligne. On a illustré à la figure 23 une variante de réalisation dans laquelle l'âme s'étend selon un axe longitudinal X courbe. Lorsqu'observée en coupe longitudinale, comme sur la figure 23, la surface enveloppe E peut présenter d'un côté de l'axe X un premier contour 54 s'étendant sensiblement dans la même direction que l'axe X, et du côté opposé de l'axe X un deuxième contour 55 pouvant présenter une courbure identique ou différente.The core may extend along a non-rectilinear longitudinal axis X. We illustrated at the figure 23 an alternative embodiment in which the core extends along a longitudinal axis X curve. When observed in longitudinal section, as on the figure 23 , 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.

Dans la variante illustrée à la figure 38, la surface enveloppe E peut présenter deux contours 54 et 55 opposés dont l'un peut comporter une encoche.In the variant illustrated in figure 38 , the envelope surface E may have two opposite contours 54 and 55, one of which may comprise a notch.

Dans une autre variante, illustrée à la figure 39, la surface enveloppe E présente une section transversale qui passe par un minimum. L'axe X est confondu avec l'axe Y.In another variant, illustrated in figure 39 , the envelope surface E has a cross section that passes through a minimum. The X axis coincides with the Y axis.

Dans la variante illustrée à la figure 40, l'axe longitudinal X de l'âme 10 est rectiligne et la surface enveloppe E présente une forme ovoïde.In the variant illustrated in figure 40 the longitudinal axis X of the core 10 is rectilinear and the envelope surface E has an ovoid shape.

Dans une autre variante, illustrée à la figure 24, l'extrémité libre des dents 18 définit une surface enveloppe E qui s'étend généralement selon un axe longitudinal W formant un angle γ2 avec l'axe longitudinal X de l'âme 10, l'applicateur pouvant être qualifié d'excentré.In another variant, illustrated in figure 24 , the free end of the teeth 18 defines an envelope surface E which extends generally along a longitudinal axis W forming an angle γ 2 with the longitudinal axis X of the core 10, the applicator may be described as eccentric.

La variante de la figure 41 diffère de celle de la figure 24 par la forme de la surface enveloppe E, laquelle présente une section transversale qui passe par un minimum.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.

L'axe longitudinal X de l'âme 10 peut être rectiligne et faire un angle avec l'axe longitudinal Y de la tige 7, comme illustrée sur la figure 42, la surface enveloppe E ayant par exemple une section transversale non constante, par exemple passant par un 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.

Pour utiliser le dispositif 1, l'utilisateur peut dévisser le capuchon de fermeture 5 et extraire l'organe d'application 8 du récipient 3.To use the device 1, the user can unscrew the closure cap 5 and extract the applicator member 8 from the container 3.

Après traversée par l'organe d'application 8 de l'organe d'essorage 6, une certaine quantité de produit demeure entre les rangées 17 et entre les dents 18 de ces rangées et peut être appliquée sur les cils ou les sourcils par l'utilisateur. Le nombre relativement élevé de dents ainsi que leur disposition sur l'organe d'application permet un maquillage soigné. Une rotation de l'organe d'application autour de l'axe X peut accompagner le geste de maquillage des cils ou sourcils. Les dents orientées obliquement peuvent être orientées vers les cils au moment du maquillage.After passing through the applicator member 8 of the wiper member 6, 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.

Les figures 30 à 37 concernent une variante de réalisation de l'organe d'application.The Figures 30 to 37 relate to an alternative embodiment of the application member.

Dans cet exemple, l'âme 10 présente une section transversale hexagonale qui varie de manière homothétique.In this example, the core 10 has a hexagonal cross section that varies homothetically.

La section augmente sur une première portion l1 depuis la tête 12 vers l'extrémité proximale, cette première portion l1 ayant par exemple une longueur comprise entre 3 mm et 5 mm, par exemple voisine de 4,3 mm, la distance entre deux faces 15 opposées passant par exemple de 1,9 mm à 2,9 mm.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.

La section transversale décroît et croît en passant par un minimum sur une deuxième portion l2, chaque face 15 présentant en coupe longitudinale sur cette portion un profil en arc de cercle, comme on peut le voir sur la figure 32, la longueur de la portion l2 étant par exemple comprise entre 18 mm et 19 mm, par exemple voisine de 18,6 mm. Le minimum de la section transversale est par exemple sensiblement à mi-longueur de la portion l2.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 .

Puis l'âme 10 décroît depuis l'extrémité proximale de la portion l2 jusqu'à l'embout 14, la longueur de cette portion l3 étant par exemple comprise entre 2 mm et 3 mm, par exemple voisine de 2,5 mm.Then 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 .

La distance entre deux faces 15 opposées de l'âme 10 à la jonction entre les portions l2 et l3 est par exemple comprise entre 2 mm et 3 mm, par exemple égale à 2,9 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.

La variation angulaire v1 de la direction de l'axe longitudinal des dents sur la portion l2 représentée sur la figure 32 est par exemple, entre deux dents successives d'un même ensemble, de 0,8° ± 1' d'arc et entre deux dents adjacentes appartenant respectivement aux deuxième et premier ensembles de dents, égale à v2, v2 étant par exemple de 0,5° ± 1' d'arc.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.

Le rayon de courbure R des faces longitudinales 15 sur la portion l2 est par exemple compris entre 80 mm et 95 mm, par exemple voisin de 87 mm.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.

La hauteur des dents varie sur la portion l1, avec des hauteurs comprises par exemple entre 1 et 2 mm, avec la hauteur H1 étant de 1 mm par exemple pour les dents adjacentes à la tête 12 et passant par exemple à des hauteurs H2 de 1,1 mm, H3 de 1,1 mm, H4 de 1,4 mm, H5 de 1,6 mm, H6 de 1,8 mm et H7 de 2 mm pour les dents suivantes situées dans la portion l1, comme représenté sur la figure 30.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 .

Pour la portion l3, la hauteur des dents décroît, par exemple de la hauteur H11 égale à 1,8 mm à la hauteur H8 égale à 1 mm, les hauteurs des dents intermédiaires H10 et H9 étant respectivement égales à 1,45 mm et 1,25 mm par exemple.For the portion 1 3 , 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.

L'embout 14 présente par exemple un diamètre compris entre 2 mm et 3 mm, par exemple de 2,2 mm et une longueur comprise par exemple entre 6 mm et 8 mm, par exemple de 7 mm, le diamètre de l'embout 14 étant par exemple de 2,2 mm à son extrémité proximale et de 2,4 mm à son extrémité distale.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.

Le sommet des dents adjacentes à l'embout 14 se situe par exemple à une distance d'environ 0,375 mm de l'embout 14.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.

L'organe d'application peut comporter par exemple six rangées de 42 dents chacune, chaque rangée incluant les dents des deux ensembles qui alternent, les dents au sein d'une rangée étant successivement avec un flan 18d perpendiculaire à la face correspondante de l'âme comme on peut le voir sur la figure 34 et avec un flan 18e faisant un angle α'Z2 avec la face correspondante de l'âme, comme on peut le voir sur la figure 35. Cet angle α'Z2 est par exemple compris entre 25 et 30 °, étant de 27,9° environ dans l'exemple illustré.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 α ' Z2 with the corresponding face of the soul, as can be seen on the figure 35 . This angle α ' Z2 is for example between 25 and 30 °, being approximately 27.9 ° in the illustrated example.

Sur la figure 34, la hauteur HZ1 des dents 18a est par exemple comprise entre 2 mm et 3 mm étant par exemple de 2,15 mm, et la hauteur HZ2 des dents 18b sur la figure 35 est par exemple comprise entre 2mm et 3 mm étant par exemple de 2,2 mm.On the figure 34 , the height H Z1 of the teeth 18a is for example between 2 mm and 3 mm being for example 2.15 mm, and 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.

Les dents 18b qui s'étendent obliquement par rapport à la normale à la face correspondante de l'âme correspondante présentent par exemple une hauteur plus grande que les dents 18a qui se raccordent à la face avec un angle moindre.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.

Si l'on se reporte à la figure 37, on peut voir que la base d'une dent 18 s'étend par exemple axialement sur une distance n comprise entre 0,5 mm et 0,6 mm, par exemple de l'ordre de 0,55 mm et dans le sens circonférentiel sur une distance c comprise entre 0,5 mm et 0,6 mm, par exemple de l'ordre de 0,55 mm.If we go back to figure 37 it can be seen that 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.

Une dent 18 présente par exemple une face longitudinale plane 18d ou 18e qui s'étend jusqu'à proximité de son extrémité libre, et du côté opposé, une face convexe avec une section transversale sensiblement semi-elliptique.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.

L'extrémité d'une dent peut être arrondie avec par exemple un rayon de courbure r de 0,1 mm lorsque l'organe d'application est observé dans une direction perpendiculaire à son axe longitudinal, comme sur la figure 33, et avec un rayon de courbure r' qui est par exemple de 0,2 mm lorsque la dent est observée en section transversale comme sur les figures 34 et 35.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 .

Le pas axial p1 entre deux dents adjacentes sur la portion l1 est par exemple de 0,6 mm et ce pas peut être le même sur la portion l3.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 .

Le diamètre du cercle C enveloppant l'organe d'application, comme représenté sur la figure 31, est par exemple compris, là où il est maximal, entre 7 mm et 8 mm, étant par exemple de l'ordre de 7,6 mm.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.

Bien entendu, l'invention n'est pas limitée aux exemples de réalisation qui viennent d'être décrits, dont les caractéristiques peuvent se combiner au sein de variantes non illustrées.Of course, the invention is not limited to the embodiments which have just been described, the characteristics of which can be combined within non-illustrated variants.

Les dents de l'une au moins des rangées peuvent présenter des hauteurs différentes, passant par exemple par un extremum entre les dents extrêmes de la rangée.The teeth of at least one row may have different heights, for example through an extremum between the extreme teeth of the row.

L'une au moins des dents 18 des rangées 17 peut présenter un état de surface non lisse, par exemple des stries venues de moulage ou des aspérités liées par exemple à la présence d'une charge dans la matière plastique.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.

L'organe d'application peut être réalisé avec une matière plastique comportant des particules magnétiques. Le champ magnétique créé par de telles particules, qui peuvent être magnétisables et/ou magnétisées, peut exercer par exemple un effet sur les cils et/ou interagir avec des fibres magnétiques ou pigments qui seraient présents dans le produit.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.

L'organe d'application peut être réalisé avec un flocage, ce dernier s'étendant par exemple sur les dents seulement.The applicator member may be made with flocking, the latter extending for example on the teeth only.

Les dents peuvent présenter, au niveau de leur extrémité libre, un relief ou une forme particulière, par exemple une fourche, une boule ou un crochet, comme illustré aux figures 26 à 28. Le crochet peut s'étendre par exemple transversalement, parallèlement ou obliquement par rapport à l'axe longitudinal X de l'âme.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.

Les rangées 17 peuvent comporter des nombres de dents différents, l'une des rangées étant par exemple plus courte qu'une autre rangée.The rows 17 may comprise different numbers of teeth, one of the rows being for example shorter than another row.

Au sein de chaque rangée, les dents peuvent être rassemblées par groupes de dents, par exemple par paires. On peut bien entendu regrouper les dents autrement que par paires, l'espacement entre les groupes de dents au sein d'une même rangée étant régulier ou non, et notamment supérieur à l'espacement moyen entre les dents au sein d'un groupe.Within each row, the teeth can be gathered in groups of teeth, for example in pairs. Of course, 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.

Les dents peuvent toutes se raccorder à l'âme selon une direction contenue dans un plan perpendiculaire à l'axe X. Il peut en être autrement, et des dents peuvent être inclinées en direction de l'extrémité distale ou proximale.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.

L'organe d'essorage peut être réalisé autrement, par exemple comporter un bloc de mousse, qui peut être fendu. L'organe d'essorage peut par exemple être tel que décrit dans les demandes de brevet FR 2 856 559 , EP-A-1 046 358 , EP-A-1 050 231 , EP-A-1 481 607 et EP-A-1 561 394 .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 .

L'organe d'essorage peut encore être tel que décrit dans la demande WO 2007/004156 , comportant au moins une lèvre d'essorage ondulée, ayant un bord libre radialement intérieur définissant un orifice de passage 122 de l'organe d'application, comme illustré sur la figure 25. L'organe d'essorage peut être souple et apte à se déformer en allongement ou en torsion. La lèvre d'essorage 9 peut comporter des ondulations 120 s'étendant autour de l'orifice 122. La lèvre d'essorage 9 peut comporter un nombre d'ondulations 120 compris entre 3 et 12, par exemple.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.

La lèvre d'essorage 9 peut s'étendre généralement selon un cône convergeant en direction du fond du récipient, de génératrice G faisant un angle i avec l'axe K du récipient. En variante, la lèvre d'essorage 9 peut s'étendre généralement selon un plan médian perpendiculaire à l'axe K ou encore généralement selon un cône convergent en direction de la sortie du récipient.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.

L'organe d'essorage peut encore être réglable, le cas échéant.The wiper member can still be adjustable, if necessary.

Dans une variante, l'âme 10 comporte des nervures longitudinales 50, comme illustré à la figure 29, qui permettent de la rigidifier. Cela peut permettre d'utiliser, par exemple, une matière relativement souple pour réaliser l'organe d'application.In a variant, 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.

Des dents souples peuvent permettre, après le passage de l'organe d'application 8 dans l'organe d'essorage 6, un stockage moins important de produit sur l'organe d'application, tandis que des dents plus rigides peuvent permettre un stockage plus important. Le choix de la souplesse des dents peut permettre de contrôler le niveau de chargement en produit de l'organe d'application, quelle que soit la nature de l'organe d'essorage et du produit lui-même.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.

Dans des variantes de mise en oeuvre de l'invention, les extrémités libres des dents d'une rangée au moins se situent à la même distance de l'axe longitudinal de l'âme. De telles variantes prennent par exemple les arrangements de dents et les formes d'âme des figures précédemment décrites, les longueurs ou inclinaisons des dents étant différentes de façon à avoir des extrémités libres situées à la même distance de l'axe longitudinal.In alternative embodiments of the invention, 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.

La tige 7 à laquelle est fixée l'âme peut être au moins partiellement, notamment entièrement, flexible. La tige peut par exemple comporter au moins un élément flexible 80 comme illustré à la figure 43, ou par exemple au moins élément en élastomère, ou présenter une forme conférant de la flexibilité, par exemple au moins une encoche 81 comme illustré à la figure 44.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 .

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

L'expression « compris entre » s'entend bornes incluses.The expression "between" means included limits.

Claims (49)

  1. A packaging and applicator device, comprising:
    - an applicator (2) for applying a composition to the eyelashes or the eyebrows, comprising:
    • a core (10) that extends along a longitudinal axis (X) and that presents a plurality of longitudinal faces (15); and
    • a single row (17) of teeth (18) that extend from each of at least two longitudinal faces (15) of the core, in particular from each longitudinal face of the core (10), the single row of teeth comprising a succession of teeth following one another when one progresses along the core, the bases of the teeth of a row being aligned or arranged in a staggered row, consecutive teeth of the row being offset at least partially, or even completely, alternating on either side of a geometric separating surface in the case of an arrangement in a staggered row;
    • at least one first set (20) of first teeth of said row having a surface that is connected obliquely or perpendicularly to the corresponding longitudinal face of the core, and at least one second set (30) of second teeth of said row having a surface that is connected obliquely to the same longitudinal face of the core, when said core is observed along its longitudinal axis (X), at least one first tooth and at least one second tooth being connected to the corresponding longitudinal face of the core in different directions (Z1, Z2),
    - a receptacle (3) containing the product,
    at least one first tooth of the first set and at least one second tooth of the second set of each of the two rows having free ends (18a, 18b) that are situated at different distances from the longitudinal axis (X) of the core.
  2. The device according to the preceding claim, wherein the first teeth are connected obliquely to the corresponding longitudinal face of the core.
  3. The device according to claim 1, wherein the first teeth are connected perpendicularly to the corresponding longitudinal face of the core.
  4. The device according to any one of the preceding claims, wherein
    • the first set (20) of first teeth (18) are connected to the corresponding longitudinal face of the core and form a first angle (αZ1) with the normal; and
    • the second set (30) of second teeth are connected to the corresponding longitudinal face of the core and form a second angle (αZ2) with the normal, the core being observed along its longitudinal axis (X);
    - the second angle (αZ2) being greater than the first angle (αZ1) ;
    and/or
    • at least one first tooth of the first set (20) and one second tooth of the second set (30) having free ends (18a, 18b) that are situated at different distances from the longitudinal axis (X) of the core.
  5. The device according to claim 4, wherein the second angle (αZ2) is greater than the first angle (αZ1).
  6. The device according to any one of claims 4 or 5, at least a second tooth of the second set being offset laterally on the core relative to at least one first tooth of the first set, such that their respective free ends (18a, 18b) are spaced apart angularly by an angle (ε) that is strictly greater than 0°, about the longitudinal axis (X) of the core.
  7. The device according to the preceding claim, the angle (ε) being greater than 1°, better 5°, still better 10° .
  8. The device according to any one of the preceding claims, wherein the teeth (18) of at least one row (17) are connected to the longitudinal face of the corresponding core on the same side of a middle longitudinal line of the longitudinal face of the core.
  9. The device according to any one of the preceding claims, wherein the teeth (18) of the first and/or second set (20 and/or 30) of teeth are substantially straight.
  10. The device according to any one of the preceding claims, wherein the bases of the teeth (18) in at least one row (17) are disposed in a staggered configuration.
  11. The device according to the preceding claim, wherein the teeth (18) of the first set (20) and the teeth (18) of the second set (30) are disposed in alternation within at least one row (17).
  12. The device according to any one of the preceding claims, wherein at least two consecutive teeth (18) of a row (17) have first faces (40) both having a common first shape, and second faces (41) both having a common second shape, the first faces (40) all facing in the same direction around the core.
  13. The device according to the preceding claim, wherein the first faces (40) are plane.
  14. The device according to the preceding claim, wherein the first faces (40) extend substantially flush with a longitudinal face (15) of the core (10), which longitudinal face is adjacent to the longitudinal face to which the teeth are connected.
  15. The device according to any one of claims 12 to 14, wherein the first faces (40) extend substantially perpendicularly to the corresponding longitudinal face (15) of the core.
  16. The device according to any one of the preceding claims, wherein at least one tooth (18) of a row (17) presents a surface that extends substantially perpendicularly to the face (15) of the core to which the tooth is connected.
  17. The device according to any one of the preceding claims, wherein the core (10) includes a plurality of longitudinal faces (15), and the applicator includes rows (17) of teeth (18) on the core, each row of teeth extending from one of the longitudinal faces (15).
  18. The device according to any one of the preceding claims, including 2 to 10 rows (17).
  19. The device according to any one of the preceding claims, wherein the teeth are attached to the core such that all of the teeth are oriented relative to the core in a same gyrational direction when the core is observed along its longitudinal axis (X).
  20. The device according to any one of the preceding claims, wherein the bases of adjacent teeth in each row touch.
  21. The device according to any one of the preceding claims, wherein the core (10) extends along a longitudinal axis (X) that forms an angle (γ1) with a longitudinal axis (Y) of a stem (7) to which the core is fastened.
  22. The device according to the preceding claim, wherein the core (10) is bent where it connects to the stem (7).
  23. The device according to any one of claims 1 to 17, wherein the ends of the teeth (18) define an envelope surface (E) that extends along a longitudinal axis (W) that forms a non-zero angle (γ2) with the longitudinal axis (X) of the core (10).
  24. The device according to any one of the preceding claims, wherein the core (10) includes at least one longitudinal face (15) that is plane.
  25. The device according to any one of the preceding claims, wherein the core (10) includes at least one longitudinal face (15) that is not plane, in particular being concave or convex at least in part.
  26. The device according to the preceding claim, characterized in that that the core (10) presents at least one longitudinal face (15) that is twisted.
  27. The device according to any one of the preceding claims, including teeth (18) of different heights.
  28. The device according to any one of the preceding claims, wherein the teeth (18) are made integrally with the core by molding, in particular by molding plastics material.
  29. The device according to any one of the preceding claims, wherein the teeth (18) are made of a material that is more rigid than a material that is used to make a stem (7) of the applicator to which the core is connected.
  30. The device according to any one of claims 1 to 28, wherein the teeth (18) are made of a material that is less rigid than a material that is used to make a stem (7) of the applicator to which the core is connected.
  31. The device according to any one of the preceding claims, wherein the core (10) is made of a plastics material that is more flexible than the plastics material that is used to make a stem (7) of the applicator to which the core is connected.
  32. The device according to any one of claims 1 to 29, wherein the core (10) is made of a plastics material that is harder than the plastics material that is used to make a stem (7) of the applicator to which the core is connected.
  33. The device according to any one of the preceding claims, wherein the core (10) is fastened to a first end of a stem (7) that is connected at a second end, remote from the first, to a handle (5).
  34. The device according to any one of the preceding claims, the first angle (αZ1) lying in the range 0 to 10°.
  35. The device according to any one of the preceding claims, the angle (α) between the directions (Z1, Z2) along which the first and second teeth are connected to the core lying in the range 5° to 80°.
  36. The device according to any one of the preceding claims, the first teeth having a surface that extends in the plane of an adjacent longitudinal face of the core.
  37. The device according to any one of claims 1 to 35, the first and second teeth not having a surface that extends parallel to an adjacent longitudinal face of the core, when said core is observed along its longitudinal axis.
  38. The device according to any one of the preceding claims, the second teeth having a height (HZ2) that is greater than the height (HZ1) of the first teeth.
  39. The device according to any one of the preceding claims, two successive teeth of the first set of first teeth and/or of the second set of second teeth having heights that are different.
  40. The device according to any one of the preceding claims, the core (10) having a cross-section that varies in geometrically similar manner along its longitudinal axis (X).
  41. The device according to claim 40, the core having a cross-section that increases over a first portion (ℓ1) of the core (10), from a head (12) towards a proximal end of the core (10), then decreases and increases over a second portion (ℓ2) of the core, passing through a minimum, and decreases once again over a third portion (ℓ3) of the core (10) from the proximal end of the second portion to an endpiece (14).
  42. The device according to any one of the preceding claims, the core (10) having a cross-section of polygonal shape.
  43. The device according to any one of the preceding claims, the applicator including 30 to 60 teeth on each of its longitudinal faces.
  44. The device according to any one of the preceding claims, the second teeth (18b) having a face that forms an angle (α'Z2) with the normal to the face to which the tooth is connected that lies in the range 25° to 30°.
  45. The device according to any one of the preceding claims, the cross-section of the core being hexagonal.
  46. The device according to any one of the preceding claims, including, at a location along the longitudinal axis of the core, 10 to 15 teeth over 360° about the longitudinal axis of the core.
  47. The device according to the preceding claim, wherein the receptacle includes a wiper member (6).
  48. The device according to the preceding claim, the wiping member including an undulating lip.
  49. The device according to claim 23, the envelope surface (E) of the applicator comprising a frustoconical or pyramidal proximal or distal portion.
EP07301151.2A 2006-06-28 2007-06-26 Device for the application of a product on eyelashes or eyebrows Active EP1872682B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0605831A FR2902984B1 (en) 2006-06-28 2006-06-28 DEVICE FOR APPLYING A PRODUCT ON LACQUERS OR EYEILS.

Publications (2)

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

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

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Also Published As

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

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