EP2229840B1 - Applicator for applying a cosmetic, makeup or care product, and method for making the same - Google Patents

Applicator for applying a cosmetic, makeup or care product, and method for making the same Download PDF

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Publication number
EP2229840B1
EP2229840B1 EP10156829.3A EP10156829A EP2229840B1 EP 2229840 B1 EP2229840 B1 EP 2229840B1 EP 10156829 A EP10156829 A EP 10156829A EP 2229840 B1 EP2229840 B1 EP 2229840B1
Authority
EP
European Patent Office
Prior art keywords
core
applicator
corkscrewed
cross
applicator according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10156829.3A
Other languages
German (de)
French (fr)
Other versions
EP2229840A1 (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
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP2229840A1 publication Critical patent/EP2229840A1/en
Application granted granted 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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • 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
    • 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

Definitions

  • the present invention relates to an applicator for applying a cosmetic, makeup or care product, for example mascara, to the eyelashes and / or eyebrows.
  • a packaging and application device comprising such an applicator.
  • the invention also relates to a method of manufacturing such an applicator.
  • the mascara is usually removed by means of a brush mounted at the end of a stem in a container which is provided with a wiper member to remove the excess mascara present on the stem and on the stem. brush.
  • This wiper member comprises for example a lip made of an elastomeric material, defining a wick of circular section, whose diameter substantially corresponds to that of the rod.
  • Requirement GB 2,170,996 describes a mascara brush having at least three rows of short hairs and three rows of long hairs, the rows being longitudinal or spiral.
  • the bristles of the applicator are arranged in helical rows, the bristles being centered on the corresponding faces of a central core.
  • US 5,551,456 discloses a method of making a helical brush whose cross section rotates between 90 ° and 360 °.
  • US 5,335,465 also discloses a twisted applicator whose angular offset between the cross sections is between a quarter turn and a turn.
  • US 5,595,198 discloses a mascara applicator having an angular offset of between 180 ° and 400 °.
  • the invention aims in particular to meet this need.
  • the subject of the invention is an applicator according to claim 1.
  • the largest transverse dimension may in particular be greater than 9 mm and the thickness of the twisted portion of the brush may be between 2 and 6.5 mm.
  • the largest transverse dimension may be encountered at a distance from the proximal and / or distal ends greater than 1 ⁇ 4 of the total length of the portion of the applicator member for application, for example the portion carrying bristles in the case of a twisted core brush.
  • the major axes of the proximal and distal cross sections of the twisted portion are angularly offset by less than a quarter turn.
  • the container containing the product to be applied may comprise a wiper member defining a wiper orifice traversed by the applicator member when it is extracted from the container, the diameter of the wiper orifice being preferably included between 2.5 and 5.5 mm.
  • the application member according to the invention makes it possible to obtain a satisfactory makeup, thanks to the fact that it has a profile that varies when it is rotated about the longitudinal axis of the rod.
  • the twisted portion has an angular offset between its distal and proximal ends which may be relatively small.
  • angular offset is meant the angle at which the major axis of the cross-section between said ends rotates. This angular offset may be approximately equal to the angle at which the user rotates the applicator on itself at the time of makeup. Due to this slight offset, the application member, by a slight pivoting of the hand, can gradually raise the eyelash fringe in a natural way.
  • the angular offset between the distal end and the proximal end of the twisted part may be between 20 ° and 80 °, better be less than 35 °, even better be between 25 ° and 35 °, or even be 30 °.
  • the twisted portion may extend over at least half the length of the applicator member, more preferably at least three quarters, or over substantially its entire length.
  • the twisted portion can thus extend over a length of between 20 and 35 mm, for example.
  • the length of the applicator member is defined herein as the length of the portion of the core carrying projecting members useful for application, for example bristles or teeth.
  • the application member may not be twisted over its entire length.
  • the applicator member may be twisted only on a distal portion, for example the distal half.
  • the angle of the major axis of the cross section of the applicator member, at a point of the longitudinal axis of the core, with a reference direction, may vary continuously as one moves along the longitudinal axis of the soul.
  • An end of said major axis may describe a helix with a regular pitch around the longitudinal axis of the core. Alternatively, the angle may vary non-continuously.
  • An end of said major axis may form a variable pitch helix around the longitudinal axis of the core, the pitch being able for example to increase towards a distal end of the applicator or to decrease in the direction of this distal end, or further increase then decrease, or decrease and then increase.
  • the reference direction may be parallel to the major axis of the proximal cross section of the twisted portion.
  • the twisted portion may be clockwise or counterclockwise.
  • the twisted portion may be at least 30% wider than it is thick, in cross-section.
  • the largest width of the cross section of the applicator member may be at least 1.3 times the thickness thereof.
  • the twisted portion of the applicator member may be between 30% and 100% wider than it is thick, better between 35% and 55% wider than it is thick.
  • the cross section of the applicator member may be for example rectangular, oval, oblong, diamond-shaped or kidney-shaped.
  • the width of the twisted portion is defined as the largest width of a cross section of the twisted portion.
  • the thickness of the twisted portion is measured in a section plane perpendicular to the longitudinal axis of the core in a direction perpendicular to the greatest width.
  • the largest transverse dimension of the twisted portion may be between 6 and 14 mm, better 8 and 16 mm as indicated above.
  • the width of the twisted portion may be at least 3 mm greater than its thickness.
  • the thickness of the twisted portion may be between 3 and 7 mm, more preferably 3 and 6 mm.
  • the applicator member may have two opposite main faces, the difference between them defines the thickness of the applicator member. These main faces can be parallel to each other.
  • the applicator member may have two lateral faces, for example convex towards the outside in cross section.
  • the soul can be centered or eccentric, rectilinear or not.
  • the longitudinal axis of the core can be confused with the longitudinal axis of the rod.
  • the longitudinal axis of the core may also not be aligned with the longitudinal axis of the stem.
  • the soul can be curved.
  • the core may be a twisted core, for example having two branches of a wire, twisted together, so other than a core of thermoplastic material.
  • hair means any salient individualizable element carried by the soul.
  • the terms “hair”, “protruding element” or “tooth” are interchangeable, although the term “hair” is usually used to designate the salient elements reported on a core, for example in the case of a twisted core brush, and the term “tooth” is often used to designate the application members of a molding application member.
  • the envelope surface is defined as the surface which rests on the free ends of the projecting elements.
  • the applicator member may be used to apply a product contained in a container having a wiper member.
  • the crossing of the wiper member can take place without excessive compression of the projecting elements over the entire periphery of the applicator member, and the applicator member can oppose relatively little resistance to cross the wiper member.
  • the phenomenon of depression-related swiveling created by the withdrawal of the rod can have limited effects, thanks to the air intake that can occur due to the shape of the application member.
  • the applicator member makes it possible to obtain a non-uniform wringing, leading to zones that are unequally loaded with product.
  • the longest protruding elements of the application member can be very dewatered.
  • the shortest salient elements can be relatively loaded.
  • the user can have on the applicator member a larger amount of product, allowing to add locally on the eyelashes of the product if this is necessary during makeup, without having to plunge the organ in the container.
  • the user has salient elements less loaded product, which can advantageously be used to separate the eyelashes, including small eyelashes at the end of the eyelid.
  • the stem may comprise an elastically deformable distal portion.
  • This distal portion is for example formed by a tip attached to the rest of the rod, which can be made of a more rigid material.
  • the tip may have one or more annular grooves giving it more flexibility.
  • the rod may comprise at a second end opposite the first a gripping member of the applicator, which may constitute a sealing cap of the container.
  • the applicator member may have an envelope surface of decreasing cross-section towards the proximal and distal ends of the applicator member.
  • the envelope surface is frustoconical at the proximal and distal ends.
  • the soul can be a twisted soul.
  • the soul may be stepping left or right, in particular not left as described in the French patent application FR-A-2,701,198 .
  • the branches of the core are twisted by turning to the left to form turns which, viewed along the axis of the core from the end fixed in the stem, rotate clockwise when we move from the stem to the free end of the brush.
  • the angle between the proximal and distal sections of the twisted portion may be in the same direction as the pitch of the core, for example clockwise and not to the left.
  • the bristles When the projecting elements are bristles held by a twisted core, the bristles may be natural or synthetic, and their ends may undergo any type of known treatment, for example to form rounded heads or forks.
  • the applicator member may comprise a mixture of bristles.
  • the bristles used may be of any kind, in particular be bristles with solid section, circular, or hollow bristles, with capillary grooves, flat or twisted, or with preferential deformation zone.
  • the angle between the proximal and distal sections of the twisted portion may be oriented in the opposite direction to the pitch of the core, for example anti-clockwise and not to the left or clockwise and not to the right .
  • the brush is made from a straight twisted core blank, cylindrical envelope surface of revolution.
  • a brush according to the invention can be obtained by twisting after flat cutting. The blank is machined to give the envelope surface a flattened shape and then the core is twisted on itself to give the brush a helical shape.
  • the blank may be a flat brush having a width of 6 to 14 mm, a thickness of 3 to 7 mm and a length of 22 to 35 mm.
  • the core can be twisted into a wire of 0.40 to 1 mm.
  • the invention further relates to a method of manufacturing a brush for such an applicator, according to claim 14.
  • the starting brush may be larger than the final brush.
  • the blank obtained in step b) can be at least 30% wider than thick in cross section
  • the angle ( ⁇ ) can be between 20 ° and 85 °, better be less than 45 °, even better be between 25 ° and 35 °, or even 30 °.
  • the blank can be between 30% and 100% wider than it is thick, better between 35% and 55% wider than it is thick.
  • the cross section of the blank is for example rectangular, oval, oblong, diamond-shaped or kidney-shaped.
  • the longitudinal axis of the soul can be rectilinear.
  • At least one facet or notch can be made on the blank before twisting the core, in step b) above.
  • the blank made in step a) may be left or right.
  • the applicator may comprise an applicator member comprising a core and rows of molded teeth made by molding material, also called “comb” or "injected brush”.
  • the twisted configuration of the applicator member may be obtained by the shape of the mold used for molding, or alternatively the core may be deformed at the moment of application. demolding, by a twist exerted on it especially when the material is still hot.
  • the angular offset can be measured between the elongation directions of the extreme teeth of a helical row.
  • the applicator core may be of polygonal cross-section, for example in the form of a regular polygon or not, for example triangular, square, rectangular, pentagonal, hexagonal, heptagonal, or octagonal.
  • the faces of the soul may be flat or slightly concave or slightly convex.
  • the core may comprise between 3 and 8 longitudinal faces, or even between 3 and 6 longitudinal faces.
  • the longitudinal faces of the core may be separated by ridges.
  • One or more of the edges, even all the edges, can be twisted.
  • Teeth can have any shape.
  • a device for packaging and application comprising a container containing the product to be applied to the eyelashes or eyebrows and an applicator as defined above, brush or comb.
  • the device may comprise a wiper member of the applicator member at its outlet from the container, for example arranged on a neck of the container.
  • the wiper member may be of any type suitable, being flexible or rigid, single stage or double stage.
  • the wiper member may have an inlet diameter which is less than or equal to the largest transverse dimension of the applicator member.
  • the inlet diameter is that through which the wiper member opens out of the container.
  • the diameter of the wiper orifice may be between 2.5 and 5.5 mm, better between 2.5 and 4.5 mm.
  • the gripper of the applicator can serve as closing cap of the container.
  • the container and the closure cap may be configured to seal the closure of the container. They can for example cooperate by screwing.
  • a method of makeup eyelashes or eyebrows comprising the step of applying a product on the eyelashes or eyebrows using an applicator as defined above.
  • the product contained in the container is for example a product which tends not to load the eyelashes, for which it may be interesting to brush as little as possible eyelashes to avoid removing the previously deposited product. Thanks to the large contact area linked to the main faces of the brush, the brush makes it possible to make up the eyelashes while reducing the risk of product withdrawal.
  • the device 10 for packaging and application represented at figure 1 comprises a container 2 containing a product P to be applied to the eyelashes or eyebrows and an applicator 3 which, in the example in question, can be fixed removably on the container 2.
  • the applicator 3 comprises a rod 5 of longitudinal axis Z, provided at one end with an applicator member 8 and at the other end with a gripping member 11 also constituting a sealing cap of the container 2.
  • the latter comprises a body 13 provided superiorly with a threaded neck 14, on which the gripping member 11 can be screwed to close the container 2.
  • the attachment of the applicator on the container can be done otherwise.
  • the neck 14 can accommodate, as illustrated, a wiper member 20 which is for example attached to the container.
  • This wiper member 20 may comprise, as illustrated, a lip 26 defining a wiper orifice 22 of diameter adapted to that of the rod 5.
  • the applicator member 8 can be fixed by any means adapted to the rod 5, for example to be received in a housing provided at the distal end of the rod.
  • the applicator member 8 comprises a twisted metal core 40.
  • the diameter of the rod 5 can decrease, as shown, on a distal portion 64 of the rod 5 adjacent to its distal end 66, and remain substantially constant over most of the rod to the gripping member 3.
  • the rod 5 may have, in the portion that comes to be positioned opposite the wiper orifice when the applicator is in place on the container, an annular narrowing, to avoid constraining the lip d spin 26 during storage.
  • the core 40 carries bristles 41, which may be natural or synthetic, mixed or not, flocked or not.
  • the core 40 is formed by two branches of a U-folded wire, the bristles 41 being caught between the turns of the core.
  • the diameter of the wire metal is for example 0.1 to 1 mm.
  • the diameter of the bristles is, for example, from 0.06 to 0.35 mm.
  • the envelope surface E defined by the free ends of the bristles 41, has two opposite main faces 50.
  • the core 40 is rectilinear in the example described, for example of longitudinal axis coinciding with that of the rod 5.
  • the main faces 50 are connected by two lateral faces 51, which are for example convex towards the outside, as illustrated .
  • the width / thickness ratio l / e may vary in a relatively large manner depending on the application members, as illustrated in these figures.
  • the applicator member may have a rectangular cross section and side faces 51 that are parallel, as shown in FIG. figure 7 .
  • the main faces 50 may be parallel, as illustrated on the Figures 2 to 7 , or convex outward, as illustrated in figure 8 .
  • the lateral faces 51 may be parallel, as shown in FIG. figure 8 , or in a variant not shown, to be convex outwards, for example with a radius of curvature smaller than that of the main faces.
  • the main faces 50 can still, as illustrated in FIG. figure 9 to be concave towards the outside, this concavity being for example defined by a portion of a circle or by faces forming a dihedral returning between them.
  • the applicator member may have, in cross section, an asymmetrical shape, for example with two main faces having different shapes.
  • the angular offset ⁇ between the major axes M of the transverse sections at the proximal and distal ends of the twisted portion of the applicator member can assume various values according to the exemplary embodiments, as mentioned above.
  • the side faces 51 are corrugated and pass for example by a relative minimum width substantially mid-length of the portion of the 40 soul carrying the hair.
  • the core 40 of the applicator member may also be eccentric, in cross-section, as illustrated in FIG. figure 11 .
  • the blank 80 used to manufacture the applicator member 8 may have, as can be seen in FIG. figure 12 , side faces 51 which are not parallel and rectilinear for at least a portion of the length of the applicator member. These lateral faces 51 are for example concave towards the outside on a portion 90 of the blank which extends for example between distal and proximal portions 92, which are for example each of decreasing width towards the adjacent end of the implementing body.
  • the core 40 can be twisted in one direction and then in the other, for example twisted left over half of its length and twisted right on the remaining half.
  • the applicator member 8 comprises a core 40 molded with teeth.
  • the core 40 has, for example, over most of its length a polygonal cross section, the sides of which define longitudinal faces 15.
  • the longitudinal faces 15 are for example four in number, the cross section of the core being for example substantially square as illustrated.
  • each of these longitudinal faces 15 is connected in the illustrated example a single row 17 of teeth 18, which have for example aligned bases 19.
  • each row 17 extends along a longitudinal axis of the row which is twisted, as can be seen on the figure 17 the faces 15 of the core 40 are themselves twisted.
  • the core 40 can be extended, as in the example in question, from its proximal side, by a cylindrical endpiece which allows it to be fixed to the rod 5.
  • the fixing can be done by force fitting, latching, gluing, welding or crimping in a housing provided at the end of the rod.
  • the rod can be inserted into a housing provided in the core.
  • the core 40 can also be made in one piece by molding material with the rod 5 or with a housing in which the rod 5 is inserted.
  • the core 40 may be deformed at the time of demolding or alternatively be molded with its final shape.
  • the teeth 18 are made in the example considered in one piece by molding thermoplastic material with the core 40.
  • Use may in particular materials known under the trademark Hytrel ®, ® Cariflexe, Alixine ®, Santoprene ®, Pebax ®, this list is not exhaustive.
  • the applicator member 8 can also, if necessary, be produced by molding, stamping or machining a metallic material.
  • the teeth and the soul can be made in different materials, if any.
  • the applicator member 8 may comprise, at its distal end 12, a head which is tapered forwards in order to facilitate the retraction of the applicator 3 into the receptacle 2.
  • the height of the teeth 18 may decrease in proximity to the head 12, along a distal portion, as illustrated on the figure 14 .
  • the height of the teeth 18 may also decrease along a proximal transition portion, in the direction of the rod 5, so as to facilitate the crossing of the wiper member 20 by the applicator member 8 during removal. of the applicator 3.
  • the core may comprise any number of longitudinal faces, all the characteristics described above being applicable independently of the number of longitudinal faces.
  • the wiper member may have a portion of constant inner diameter, as illustrated in FIG. figure 15 .
  • the displacement of the twisted portion of the applicator member in contact with the cylindrical inner surface of the wiper member may promote the mixing of the product with the twisted portion of the applicator member acting as a turbine.
  • the rod 5 may be provided at the end, as illustrated in FIG. figure 16 , an elastically deformable tip 180 which serves as a support for the core of the brush and which allows a certain angular movement during removal of the brush from the container or during application, as illustrated in FIG. figure 17 .
  • This tip comprises for example a groove 181.
  • the tip is for example as described in EP 1 917 883 A2 and can be produced at least partially from a material from the following list: elastomer, thermoplastic, thermoplastic elastomer, LDPE, PVC, PU, polyester thermoplastic elastomers, especially terephthalate butene copolymers and polytetramethylene esterified glycol, HYTREL ®, EPDM, PDM, EVA, SIS, SEBS, SBS, latex, silicone, nitrile, butyl, polyurethane, polyether amide block, polyester, this list not being limiting.
  • the tip may be made of a material whose hardness is for example between 25 Shore A and 80 Shore D, or even between 40 Shore A and 70 Shore D.
  • the rigid part or parts of the rod may be made of a thermoplastic material , in particular one of the materials selected from the following list: HDPE, LDPE, linear PE, PT, PP, POM, PA, PET, PBT, this list not being
  • the bristles may be natural or synthetic and for example be made of a material selected from: PE, PA, in particular PA6, PA6 / 6, PA 6/10 or PA-6/12, HYTREL ®, PEBAX ®, silicone, PU, this list n not being limiting.
  • the brush may comprise bristles having elastic properties, especially bristles made of elastomer. Hair with magnetic properties can be used.
  • the brush can be flocked.
  • the bristles may be treated to have forks, balls or hooks at their ends. The hairs can be treated to be slippery.
  • the bristles may have a solid circular, hollow circular, hollow polygonal, for example triangular hollow section.
  • the bristles may also have a star-shaped hollow section, a multilobed section, which may be solid, a flattened, oval, angled, H, dumbbell section, a full triangular, square, pentagonal polygonal shape. , semicircular, trapezoidal or tile-shaped.
  • the bristles may have at least one capillary groove.
  • the brush may be vibrated, either by a generator mounted in the applicator, in particular on the gripping member, removably or not, or by an external vibrating element mounted on a finger of the user, for example.
  • a vibration generator is described in the French patent application FR 2 882 506 .
  • the wiper member may be rigid, for example made of non-elastomeric thermoplastic material.
  • the wiper member may be flexible, for example made of elastomer.
  • the brush may be twisted only on a distal portion, for example the distal half, as shown in FIG. figure 18 .
  • the core of the brush once twisted, can be curved about an axis at least, for example an axis perpendicular to the soul.

Description

La présente invention concerne un applicateur pour appliquer un produit cosmétique, de maquillage ou de soin, par exemple du mascara, sur les cils et/ou sourcils. Il est décrit aussi un dispositif de conditionnement et d'application comportant un tel applicateur.The present invention relates to an applicator for applying a cosmetic, makeup or care product, for example mascara, to the eyelashes and / or eyebrows. There is also described a packaging and application device comprising such an applicator.

L'invention concerne également un procédé de fabrication d'un tel applicateur.The invention also relates to a method of manufacturing such an applicator.

Le prélèvement du mascara s'effectue généralement au moyen d'une brosse montée à l'extrémité d'une tige dans un récipient qui est pourvu d'un organe d'essorage pour retirer l'excès de mascara présent sur la tige et sur la brosse. Cet organe d'essorage comporte par exemple une lèvre réalisée dans un matériau élastomère, définissant un orifice d'essorage de section circulaire, dont le diamètre correspond sensiblement à celui de la tige.The mascara is usually removed by means of a brush mounted at the end of a stem in a container which is provided with a wiper member to remove the excess mascara present on the stem and on the stem. brush. This wiper member comprises for example a lip made of an elastomeric material, defining a wick of circular section, whose diameter substantially corresponds to that of the rod.

Il existe des brosses plates dont le pouvoir recourbant est limité par des arêtes droites. D'autre part, au passage de l'organe d'essorage, le produit est lissé tout le long de la brosse de la même manière, ce qui donne une brosse avec des faces imprégnées de mascara de la même façon, sans zones privilégiées.There are flat brushes whose curling power is limited by straight edges. On the other hand, the passage of the wiper member, the product is smoothed all along the brush in the same way, which gives a brush with mascara impregnated faces in the same way, without privileged areas.

Il existe aussi des applicateurs comportant des brosses ayant des arêtes hélicoïdales.There are also applicators with brushes having helical edges.

La demande GB 2 170 996 décrit une brosse à mascara comportant au moins trois rangées de poils courts et trois rangées de poils longs, les rangées étant longitudinales ou spirales.Requirement GB 2,170,996 describes a mascara brush having at least three rows of short hairs and three rows of long hairs, the rows being longitudinal or spiral.

Dans la demande de brevet FR 2 913 572 , les poils de l'applicateur sont disposés en rangées hélicoïdales, les poils étant centrés sur les faces correspondantes d'une âme centrale.In the patent application FR 2 913 572 , the bristles of the applicator are arranged in helical rows, the bristles being centered on the corresponding faces of a central core.

La demande WO 2001/41599 décrit une ébauche de brosse usinée pour créer des gorges hélicoïdales.Requirement WO 2001/41599 describes a brush blank machined to create helical grooves.

US 5 551 456 divulgue un procédé de fabrication de brosse hélicoïdale dont la section transversale tourne d'une valeur comprise entre 90° et 360°. US 5,551,456 discloses a method of making a helical brush whose cross section rotates between 90 ° and 360 °.

US 5 335 465 divulgue également un applicateur vrillé dont le décalage angulaire entre les sections transversales est compris entre un quart de tour et un tour. US 5,335,465 also discloses a twisted applicator whose angular offset between the cross sections is between a quarter turn and a turn.

US 5 595 198 divulgue un applicateur à mascara présentant un décalage angulaire compris entre 180° et 400°. US 5,595,198 discloses a mascara applicator having an angular offset of between 180 ° and 400 °.

Il existe un besoin pour perfectionner encore les applicateurs pour l'application d'un produit sur les fibres kératiniques, afin notamment de conférer à l'organe d'application un pouvoir recourbant progressif et de favoriser la création de zones plus chargées en produit.There is a need to further improve the applicators for the application of a product on keratinous fibers, in particular to confer on the organ progressive bending power and to favor the creation of more product-laden areas.

L'invention vise notamment à répondre à ce besoin.The invention aims in particular to meet this need.

A cet effet, l'invention a pour objet un applicateur selon la revendication 1.For this purpose, the subject of the invention is an applicator according to claim 1.

La plus grande dimension transversale peut notamment être supérieure à 9 mm et l'épaisseur de la partie vrillée de la brosse peut être comprise entre 2 et 6,5 mm.The largest transverse dimension may in particular be greater than 9 mm and the thickness of the twisted portion of the brush may be between 2 and 6.5 mm.

La plus grande dimension transversale peut se rencontrer à une distance des extrémités proximale et/ou distale supérieure à ¼ de la longueur totale de la partie de l'organe d'application servant à l'application, par exemple la portion portant des poils dans le cas d'une brosse à âme torsadée.The largest transverse dimension may be encountered at a distance from the proximal and / or distal ends greater than ¼ of the total length of the portion of the applicator member for application, for example the portion carrying bristles in the case of a twisted core brush.

Les grands axes des sections transversales proximale et distale de la portion vrillée sont décalés angulairement de moins d'un quart de tour.The major axes of the proximal and distal cross sections of the twisted portion are angularly offset by less than a quarter turn.

Le récipient contenant le produit à appliquer peut comporter un organe d'essorage définissant un orifice d'essorage traversé par l'organe d'application lorsque celui-ci est extrait du récipient, le diamètre de l'orifice d'essorage étant de préférence compris entre 2,5 et 5,5 mm.The container containing the product to be applied may comprise a wiper member defining a wiper orifice traversed by the applicator member when it is extracted from the container, the diameter of the wiper orifice being preferably included between 2.5 and 5.5 mm.

L'organe d'application selon l'invention permet d'obtenir un maquillage satisfaisant, grâce au fait qu'il présente un profil qui varie lorsqu'il est entraîné en rotation autour de l'axe longitudinal de la tige.The application member according to the invention makes it possible to obtain a satisfactory makeup, thanks to the fact that it has a profile that varies when it is rotated about the longitudinal axis of the rod.

La portion vrillée présente un décalage angulaire entre ses extrémités distale et proximale qui peut être relativement peu important. Par "décalage angulaire", on entend l'angle dont tourne le grand axe de la section transversale entre lesdites extrémités. Ce décalage angulaire peut être à peu près égal à l'angle dont l'utilisateur fait tourner l'applicateur sur lui-même au moment du maquillage. Grâce à ce faible décalage, l'organe d'application, par un léger pivotement de la main, peut progressivement relever la frange des cils de manière naturelle.The twisted portion has an angular offset between its distal and proximal ends which may be relatively small. By "angular offset" is meant the angle at which the major axis of the cross-section between said ends rotates. This angular offset may be approximately equal to the angle at which the user rotates the applicator on itself at the time of makeup. Due to this slight offset, the application member, by a slight pivoting of the hand, can gradually raise the eyelash fringe in a natural way.

Le décalage angulaire entre l'extrémité distale et l'extrémité proximale de la partie vrillée peut être compris entre 20° et 80°, mieux être inférieur à 35°, encore mieux être compris entre 25° et 35°, voire être égal à 30°environ.The angular offset between the distal end and the proximal end of the twisted part may be between 20 ° and 80 °, better be less than 35 °, even better be between 25 ° and 35 °, or even be 30 °.

La portion vrillée peut s'étendre sur au moins la moitié de la longueur de l'organe d'application, mieux au moins les trois quarts, voire sur sensiblement toute sa longueur. La portion vrillée peut ainsi s'étendre sur une longueur comprise entre 20 et 35 mm, par exemple. La longueur de l'organe d'application est définie ici comme étant la longueur de la partie de l'âme portant des éléments saillants utiles à l'application, par exemple les poils ou des dents.The twisted portion may extend over at least half the length of the applicator member, more preferably at least three quarters, or over substantially its entire length. The twisted portion can thus extend over a length of between 20 and 35 mm, for example. The length of the applicator member is defined herein as the length of the portion of the core carrying projecting members useful for application, for example bristles or teeth.

L'organe d'application peut ne pas être vrillé sur toute sa longueur.The application member may not be twisted over its entire length.

L'organe d'application peut être vrillé seulement sur une partie distale, par exemple la moitié distale.The applicator member may be twisted only on a distal portion, for example the distal half.

L'angle du grand axe de la section transversale de l'organe d'application, en un point de l'axe longitudinal de l'âme, avec une direction de référence, peut varier continûment lorsque l'on se déplace le long de l'axe longitudinal de l'âme. Une extrémité dudit grand axe peut décrire une hélice à pas régulier autour de l'axe longitudinal de l'âme. En variante, l'angle peut varier de manière non continue. Une extrémité dudit grand axe peut former une hélice à pas variable autour de l'axe longitudinal de l'âme, le pas pouvant par exemple augmenter en direction d'une extrémité distale de l'applicateur ou diminuer en direction de cette extrémité distale, ou encore augmenter puis diminuer, ou diminuer puis augmenter. La direction de référence peut être parallèle au grand axe de la section transversale proximale de la portion vrillée.The angle of the major axis of the cross section of the applicator member, at a point of the longitudinal axis of the core, with a reference direction, may vary continuously as one moves along the longitudinal axis of the soul. An end of said major axis may describe a helix with a regular pitch around the longitudinal axis of the core. Alternatively, the angle may vary non-continuously. An end of said major axis may form a variable pitch helix around the longitudinal axis of the core, the pitch being able for example to increase towards a distal end of the applicator or to decrease in the direction of this distal end, or further increase then decrease, or decrease and then increase. The reference direction may be parallel to the major axis of the proximal cross section of the twisted portion.

La portion vrillée peut l'être dans le sens horaire ou anti-horaire.The twisted portion may be clockwise or counterclockwise.

La portion vrillée peut être au moins 30 % plus large qu'épaisse, en section transversale. Autrement dit, la plus grande largeur de la section transversale de l'organe d'application peut valoir au moins 1,3 fois l'épaisseur de celle-ci. La portion vrillée de l'organe d'application peut être entre 30 % et 100 % plus large qu'épaisse, mieux entre 35 % et 55 % plus large qu'épaisse. La section transversale de l'organe d'application peut être par exemple rectangulaire, ovale, oblongue, en forme de losange ou réniforme.The twisted portion may be at least 30% wider than it is thick, in cross-section. In other words, the largest width of the cross section of the applicator member may be at least 1.3 times the thickness thereof. The twisted portion of the applicator member may be between 30% and 100% wider than it is thick, better between 35% and 55% wider than it is thick. The cross section of the applicator member may be for example rectangular, oval, oblong, diamond-shaped or kidney-shaped.

La largeur de la portion vrillée est définie comme la plus grande largeur d'une section transversale de la portion vrillée. L'épaisseur de la portion vrillée est mesurée dans un plan de coupe perpendiculaire à l'axe longitudinal de l'âme dans une direction perpendiculaire à la plus grande largeur.The width of the twisted portion is defined as the largest width of a cross section of the twisted portion. The thickness of the twisted portion is measured in a section plane perpendicular to the longitudinal axis of the core in a direction perpendicular to the greatest width.

La plus grande dimension transversale de la portion vrillée peut être comprise entre 6 et 14 mm, mieux 8 et 16 mm comme indiqué plus haut. La largeur de la portion vrillée peut être supérieure d'au moins 3 mm à son épaisseur. L'épaisseur de la portion vrillée peut être comprise entre de 3 et 7 mm, mieux 3 et 6 mm.The largest transverse dimension of the twisted portion may be between 6 and 14 mm, better 8 and 16 mm as indicated above. The width of the twisted portion may be at least 3 mm greater than its thickness. The thickness of the twisted portion may be between 3 and 7 mm, more preferably 3 and 6 mm.

L'organe d'application peut présenter deux faces principales opposées, dont l'écart entre elles définit l'épaisseur de l'organe d'application. Ces faces principales peuvent être parallèles entre elles.The applicator member may have two opposite main faces, the difference between them defines the thickness of the applicator member. These main faces can be parallel to each other.

L'organe d'application peut présenter deux faces latérales, par exemple convexes vers l'extérieur en section transversale.The applicator member may have two lateral faces, for example convex towards the outside in cross section.

L'âme peut être centrée ou excentrée, rectiligne ou non. L'axe longitudinal de l'âme peut être confondu avec l'axe longitudinal de la tige. L'axe longitudinal de l'âme peut aussi ne pas être aligné avec l'axe longitudinal de la tige. L'âme peut être courbe.The soul can be centered or eccentric, rectilinear or not. The longitudinal axis of the core can be confused with the longitudinal axis of the rod. The longitudinal axis of the core may also not be aligned with the longitudinal axis of the stem. The soul can be curved.

L'âme peut être une âme torsadée, par exemple comportant deux branches d'un fil métallique, torsadées ensemble, donc autre qu'une âme en matière thermoplastique.The core may be a twisted core, for example having two branches of a wire, twisted together, so other than a core of thermoplastic material.

Au sens de la présente invention, il faut comprendre par « poil » tout élément saillant individualisable porté par l'âme. Les termes « poil », « élément saillant » ou « dent » sont interchangeables, même si le terme « poil » est habituellement utilisé pour désigner les éléments saillants rapportés sur une âme, par exemple dans le cas d'une brosse à âme torsadée, et le terme « dent » est souvent utilisé pour désigner les éléments d'application d'un organe d'application réalisé par moulage.For the purposes of the present invention, "hair" means any salient individualizable element carried by the soul. The terms "hair", "protruding element" or "tooth" are interchangeable, although the term "hair" is usually used to designate the salient elements reported on a core, for example in the case of a twisted core brush, and the term "tooth" is often used to designate the application members of a molding application member.

La surface enveloppe est définie comme étant la surface qui s'appuie sur les extrémités libres des éléments saillants.The envelope surface is defined as the surface which rests on the free ends of the projecting elements.

L'organe d'application peut être utilisé pour appliquer un produit contenu dans un récipient comportant un organe d'essorage.The applicator member may be used to apply a product contained in a container having a wiper member.

Grâce à la forme vrillée et aplatie en section transversale de l'organe d'application, le franchissement de l'organe d'essorage peut s'effectuer sans compression excessive des éléments saillants sur toute la périphérie de l'organe d'application, et l'organe d'application peut opposer relativement peu de résistance pour franchir l'organe d'essorage.Thanks to the twisted and flattened cross-sectional shape of the applicator member, the crossing of the wiper member can take place without excessive compression of the projecting elements over the entire periphery of the applicator member, and the applicator member can oppose relatively little resistance to cross the wiper member.

De plus, le phénomène de pistonnage lié à la dépression créée par le retrait de la tige peut avoir des effets limités, grâce à la reprise d'air qui peut s'opérer du fait de la forme de l'organe d'application.In addition, the phenomenon of depression-related swiveling created by the withdrawal of the rod can have limited effects, thanks to the air intake that can occur due to the shape of the application member.

L'organe d'application permet d'obtenir un essorage non uniforme, conduisant à des zones chargées inégalement en produit.The applicator member makes it possible to obtain a non-uniform wringing, leading to zones that are unequally loaded with product.

Les plus longs éléments saillants de l'organe d'application peuvent être très essorés. Les éléments saillants les plus courts peuvent être relativement chargés.The longest protruding elements of the application member can be very dewatered. The shortest salient elements can be relatively loaded.

Ainsi, l'utilisateur peut disposer sur l'organe d'application d'une quantité plus importante de produit, permettant d'ajouter localement sur les cils du produit si cela s'avère nécessaire lors du maquillage, sans avoir à replonger l'organe d'application dans le récipient. D'autre part, l'utilisateur dispose d'éléments saillants moins chargés en produit, pouvant avantageusement être utilisés pour séparer les cils, notamment les petits cils à l'extrémité de la paupière.Thus, the user can have on the applicator member a larger amount of product, allowing to add locally on the eyelashes of the product if this is necessary during makeup, without having to plunge the organ in the container. On the other hand, the user has salient elements less loaded product, which can advantageously be used to separate the eyelashes, including small eyelashes at the end of the eyelid.

La tige peut comporter une portion distale élastiquement déformable. Cette portion distale est par exemple formée par un embout rapporté sur le reste de la tige, laquelle peut être réalisée dans une matière plus rigide. L'embout peut comporter une ou plusieurs gorges annulaires lui conférant plus de flexibilité.The stem may comprise an elastically deformable distal portion. This distal portion is for example formed by a tip attached to the rest of the rod, which can be made of a more rigid material. The tip may have one or more annular grooves giving it more flexibility.

La tige peut comporter à une deuxième extrémité opposée à la première un organe de préhension de l'applicateur, pouvant constituer un capuchon de fermeture étanche du récipient.The rod may comprise at a second end opposite the first a gripping member of the applicator, which may constitute a sealing cap of the container.

L'organe d'application peut présenter une surface enveloppe de section transversale diminuant en rapprochement des extrémités proximale et distale de l'organe d'application. Par exemple, la surface enveloppe est tronconique aux extrémités proximale et distale.The applicator member may have an envelope surface of decreasing cross-section towards the proximal and distal ends of the applicator member. For example, the envelope surface is frustoconical at the proximal and distal ends.

Brosses à âme torsadéeTwisted core brushes

L'âme peut être une âme torsadée.The soul can be a twisted soul.

L'âme peut être à pas à gauche ou à droite, notamment à pas à gauche comme décrit dans la demande de brevet français FR-A-2 701 198 . Dans une brosse à pas à gauche, les branches de l'âme sont torsadées en tournant à gauche pour former des spires qui, vues suivant l'axe de l'âme depuis l'extrémité fixée dans la tige, tournent dans le sens horaire quand on progresse de la tige vers l'extrémité libre de la brosse. L'angle entre les sections proximale et distale de la partie vrillée peut être dans le même sens que le pas de l'âme, par exemple angle dans le sens horaire et pas à gauche.The soul may be stepping left or right, in particular not left as described in the French patent application FR-A-2,701,198 . In a left-handed brush, the branches of the core are twisted by turning to the left to form turns which, viewed along the axis of the core from the end fixed in the stem, rotate clockwise when we move from the stem to the free end of the brush. The angle between the proximal and distal sections of the twisted portion may be in the same direction as the pitch of the core, for example clockwise and not to the left.

Lorsque les éléments saillants sont des poils maintenus par une âme torsadée, les poils peuvent être naturels ou synthétiques, et leurs extrémités peuvent subir tout type de traitement connu, afin par exemple de former des têtes arrondies ou des fourches. L'organe d'application peut comporter un mélange de poils. Les poils utilisés peuvent être de toute nature, notamment être des poils à section pleine, circulaire, ou des poils creux, à rainure capillaire, plats ou vrillés, ou encore à zone de déformation préférentielle.When the projecting elements are bristles held by a twisted core, the bristles may be natural or synthetic, and their ends may undergo any type of known treatment, for example to form rounded heads or forks. The applicator member may comprise a mixture of bristles. The bristles used may be of any kind, in particular be bristles with solid section, circular, or hollow bristles, with capillary grooves, flat or twisted, or with preferential deformation zone.

L'angle entre les sections proximale et distale de la partie vrillée peut être orienté dans le sens opposé au pas de l'âme, par exemple angle dans le sens anti-horaire et pas à gauche ou angle dans le sens horaire et pas à droite.The angle between the proximal and distal sections of the twisted portion may be oriented in the opposite direction to the pitch of the core, for example anti-clockwise and not to the left or clockwise and not to the right .

Dans une réalisation particulière, la brosse est réalisée à partir d'une ébauche à âme torsadée rectiligne, de surface enveloppe cylindrique de révolution. On peut obtenir une brosse suivant l'invention par vrillage après coupe plate. L'ébauche est usinée pour donner à la surface enveloppe une forme aplatie puis l'âme est vrillée sur elle-même afin de donner à la brosse une forme d'hélice.In a particular embodiment, the brush is made from a straight twisted core blank, cylindrical envelope surface of revolution. A brush according to the invention can be obtained by twisting after flat cutting. The blank is machined to give the envelope surface a flattened shape and then the core is twisted on itself to give the brush a helical shape.

L'ébauche peut être une brosse plate ayant une largeur comprise entre 6 et 14 mm, une épaisseur de 3 à 7 mm et une longueur de 22 à 35 mm.The blank may be a flat brush having a width of 6 to 14 mm, a thickness of 3 to 7 mm and a length of 22 to 35 mm.

L'âme peut être torsadée dans un fil de fer de 0,40 à 1 mm.The core can be twisted into a wire of 0.40 to 1 mm.

En partant d'une brosse torsadée conforme à l'invention, on peut revenir pour les besoins de l'observation à l'ébauche de section transversale aplatie avec deux faces planes et parallèles en la vrillant dans le sens opposé jusqu'à annuler l'angle entre les grands axes de sections transversales aux extrémités distale et proximale de la partie vrillée.Starting from a twisted brush according to the invention, it is possible to return for the purposes of observation to the flattened cross-section blank with two flat and parallel faces by twisting it in the opposite direction until it is canceled. angle between the major axes of cross sections at the distal and proximal ends of the twisted portion.

L'invention a encore pour objet un procédé de fabrication d'une brosse pour un tel applicateur, selon la revendication 14.The invention further relates to a method of manufacturing a brush for such an applicator, according to claim 14.

La brosse de départ peut être plus grande que la brosse finale.The starting brush may be larger than the final brush.

L'ébauche obtenue à l'étape b) peut être au moins 30 % plus large qu'épaisse en section transversale,The blank obtained in step b) can be at least 30% wider than thick in cross section,

L'angle (β) peut être compris entre 20° et 85°, mieux être inférieur à 45°, encore mieux être compris entre 25° et 35°, voire égal à 30°. L'ébauche peut être entre 30 % et 100 % plus large qu'épaisse, mieux entre 35 % et 55 % plus large qu'épaisse. La section transversale de l'ébauche est par exemple rectangulaire, ovale, oblongue, en forme de losange ou réniforme.The angle (β) can be between 20 ° and 85 °, better be less than 45 °, even better be between 25 ° and 35 °, or even 30 °. The blank can be between 30% and 100% wider than it is thick, better between 35% and 55% wider than it is thick. The cross section of the blank is for example rectangular, oval, oblong, diamond-shaped or kidney-shaped.

L'axe longitudinal de l'âme peut être rectiligne.The longitudinal axis of the soul can be rectilinear.

Au moins une facette ou encoche peut être réalisée sur l'ébauche avant de torsader l'âme, à l'étape b) ci-dessus.At least one facet or notch can be made on the blank before twisting the core, in step b) above.

L'ébauche réalisée à l'étape a) peut être à pas à gauche ou à droite.The blank made in step a) may be left or right.

Dans une autre variante, on peut obtenir une brosse suivant l'invention, par coupe à l'aide d'une fraise par exemple, en imprimant une rotation relative à la fraise ou à la brosse soit en une passe, soit en deux passes. Les étapes de fabrication peuvent être alors :

  1. a) réaliser une brosse de surface enveloppe cylindrique, à âme torsadée,
  2. b) usiner l'ébauche, afin d'obtenir une brosse comportant une portion de section transversale aplatie suivant un grand axe (X) sur au moins une partie de sa longueur, les grands axes (Xp) et (Xd) des sections transversales proximale et distale de la portion aplatie définissant entre eux un angle (β) strictement inférieur à un quart de tour.
In another variant, it is possible to obtain a brush according to the invention, for example by cutting with a milling cutter, by printing a relative rotation to the milling cutter or the brush either in one pass or in two passes. The manufacturing steps can then be:
  1. a) producing a cylindrical envelope surface brush with a twisted core,
  2. b) machining the blank to obtain a brush having a cross-section portion flattened along a major axis (X) over at least a portion of its length, the major axes (Xp) and (Xd) of the proximal cross-sections and distal of the flattened portion defining between them an angle (β) strictly less than a quarter of a turn.

Peignescombs

L'applicateur peut comporter un organe d'application comportant une âme et des rangées de dents moulées réalisées par moulage de matière, encore appelée « peigne » ou « brosse injectée ».The applicator may comprise an applicator member comprising a core and rows of molded teeth made by molding material, also called "comb" or "injected brush".

La configuration vrillée de l'organe d'application peut être obtenue par la forme du moule servant au moulage ou en variante l'âme peut être déformée au moment du démoulage, par une torsion exercée sur celle-ci notamment alors que la matière est encore chaude.The twisted configuration of the applicator member may be obtained by the shape of the mold used for molding, or alternatively the core may be deformed at the moment of application. demolding, by a twist exerted on it especially when the material is still hot.

Le décalage angulaire peut être mesuré entre les directions d'élongation des dents extrêmes d'une rangée en hélice.The angular offset can be measured between the elongation directions of the extreme teeth of a helical row.

L'âme de l'applicateur peut être de section transversale polygonale, par exemple en forme de polygone régulier ou non, par exemple triangulaire, carrée, rectangulaire, pentagonale, hexagonale, heptagonale, ou octogonale. Les faces de l'âme peuvent être planes ou légèrement concaves ou légèrement convexes.The applicator core may be of polygonal cross-section, for example in the form of a regular polygon or not, for example triangular, square, rectangular, pentagonal, hexagonal, heptagonal, or octagonal. The faces of the soul may be flat or slightly concave or slightly convex.

L'âme peut comporter entre 3 et 8 faces longitudinales, voire entre 3 et 6 faces longitudinales.The core may comprise between 3 and 8 longitudinal faces, or even between 3 and 6 longitudinal faces.

Les faces longitudinales de l'âme peuvent être séparées par des arêtes. L'une ou plusieurs des arêtes, voire toutes les arêtes, peuvent être vrillées.The longitudinal faces of the core may be separated by ridges. One or more of the edges, even all the edges, can be twisted.

La section transversale de l'organe d'application, au moins sur sa portion vrillée, est aplatie. Les dents peuvent avoir toutes formes.The cross section of the applicator member, at least on its twisted portion, is flattened. Teeth can have any shape.

Dispositifsfeatures

Il est décrit un dispositif de conditionnement et d'application comportant un récipient contenant le produit à appliquer sur les cils ou sourcils et un applicateur tel que défini plus haut, brosse ou peigne.There is described a device for packaging and application comprising a container containing the product to be applied to the eyelashes or eyebrows and an applicator as defined above, brush or comb.

Le dispositif peut comporter un organe d'essorage de l'organe d'application à sa sortie du récipient, par exemple disposé sur un col du récipient. L'organe d'essorage peut être de tout type adapté, étant flexible ou rigide, à simple étage ou à double étage.The device may comprise a wiper member of the applicator member at its outlet from the container, for example arranged on a neck of the container. The wiper member may be of any type suitable, being flexible or rigid, single stage or double stage.

L'organe d'essorage peut avoir un diamètre d'entrée qui est inférieur ou égal à la plus grande dimension transversale de l'organe d'application. Le diamètre d'entrée est celui par lequel l'organe d'essorage débouche à l'extérieur du récipient. Le diamètre de l'orifice d'essorage peut être compris entre 2,5 et 5,5 mm, mieux entre 2,5 et 4,5 mm. Par « diamètre de l'orifice d'essorage » il faut comprendre celui du plus grand cercle inscrit dans l'orifice d'essorage. L'orifice d'essorage peut être circulaire ou non.The wiper member may have an inlet diameter which is less than or equal to the largest transverse dimension of the applicator member. The inlet diameter is that through which the wiper member opens out of the container. The diameter of the wiper orifice may be between 2.5 and 5.5 mm, better between 2.5 and 4.5 mm. By "diameter of the wiping orifice" it is necessary to understand that of the largest circle inscribed in the wiping orifice. The wiping orifice may be circular or not.

L'organe de préhension de l'applicateur peut servir de capuchon de fermeture du récipient. Le récipient et le capuchon de fermeture peuvent être configurés de manière à assurer l'étanchéité de la fermeture du récipient. Ils peuvent par exemple coopérer par vissage.The gripper of the applicator can serve as closing cap of the container. The container and the closure cap may be configured to seal the closure of the container. They can for example cooperate by screwing.

Il est décrit aussi, un procédé de maquillage des cils ou des sourcils, comportant l'étape consistant à appliquer un produit sur les cils ou sourcils à l'aide d'un applicateur tel que défini précédemment.It is also described, a method of makeup eyelashes or eyebrows, comprising the step of applying a product on the eyelashes or eyebrows using an applicator as defined above.

Le produit contenu dans le récipient est par exemple un produit qui a tendance à ne pas charger les cils, pour lequel il peut être intéressant de brosser le moins possible les cils pour éviter de retirer le produit préalablement déposé. Grâce à la grande surface de contact liée aux faces principales de la brosse, la brosse permet de maquiller les cils tout en réduisant le risque de retrait de produit.The product contained in the container is for example a product which tends not to load the eyelashes, for which it may be interesting to brush as little as possible eyelashes to avoid removing the previously deposited product. Thanks to the large contact area linked to the main faces of the brush, the brush makes it possible to make up the eyelashes while reducing the risk of product withdrawal.

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

  • la figure 1 représente en coupe longitudinale, schématique, un exemple de dispositif de conditionnement et d'application avec un applicateur réalisé conformément à l'invention,
  • la figure 2 est une vue en perspective schématique et partielle d'un exemple de réalisation d'organe d'application selon l'invention,
  • la figure 3 représente l'organe d'application de la figure 2 en vue de face, selon III,
  • la figure 4 est une vue de coupe transversale selon IV-IV de la figure 2,
  • la figure 5 est une vue de coupe transversale selon V-V de la figure 2,
  • les figures 6 à 9 sont des vues analogues à la figure 4, de variantes de réalisation,
  • les figures 10 et Il représentent de manière schématique, en perspective, la surface enveloppe d'exemples d'ébauches de brosses réalisées conformément à l'invention,
  • la figure 12 est une vue de face de variante de réalisation d'ébauche de brosse,
  • la figure 13 est une vue de coté de variante de réalisation d'ébauche de brosse,
  • la figure 14 est une vue en perspective d'un exemple de réalisation d'organe d'application selon l'invention,
  • la figure 15 représente un détail du récipient de la figure 1, applicateur enlevé,
  • les figures 16 et 17 illustrent la possibilité de réaliser la tige avec une portion distale flexible, et
  • la figure 18 représente en perspective un autre exemple de brosse selon l'invention.
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 longitudinal section, schematic, an example of a device for packaging and application with an applicator made according to the invention,
  • the figure 2 is a schematic and partial perspective view of an exemplary embodiment of an applicator member according to the invention,
  • the figure 3 represents the enforcement body of the figure 2 in front view, according to III,
  • the figure 4 is a cross-sectional view along IV-IV of the figure 2 ,
  • the figure 5 is a cross-sectional view along VV of the figure 2 ,
  • the Figures 6 to 9 are similar views to the figure 4 , variants,
  • the figures 10 and show schematically, in perspective, the envelope surface of examples of brush blanks made according to the invention,
  • the figure 12 is a front view of a variant embodiment of a brush blank,
  • the figure 13 is a side view of a variant embodiment of a brush blank,
  • the figure 14 is a perspective view of an exemplary embodiment of an application member according to the invention,
  • the figure 15 represents a detail of the container of the figure 1 , applicator removed,
  • the Figures 16 and 17 illustrate the possibility of making the stem with a flexible distal portion, and
  • the figure 18 represents in perspective another example of a brush according to the invention.

Le dispositif 10 de conditionnement et d'application représenté à la figure 1 comporte un récipient 2 contenant un produit P à appliquer sur les cils ou les sourcils et un applicateur 3 pouvant, dans l'exemple considéré, se fixer de façon amovible sur le récipient 2.The device 10 for packaging and application represented at figure 1 comprises a container 2 containing a product P to be applied to the eyelashes or eyebrows and an applicator 3 which, in the example in question, can be fixed removably on the container 2.

L'applicateur 3 comporte une tige 5 d'axe longitudinal Z, munie à une extrémité d'un organe d'application 8 et à l'autre extrémité d'un organe de préhension 11 constituant également un capuchon de fermeture étanche du récipient 2. Ce dernier comporte un corps 13 pourvu supérieurement d'un col fileté 14, sur lequel l'organe de préhension 11 peut se visser pour fermer le récipient 2. En variante, la fixation de l'applicateur sur le récipient peut s'effectuer autrement.The applicator 3 comprises a rod 5 of longitudinal axis Z, provided at one end with an applicator member 8 and at the other end with a gripping member 11 also constituting a sealing cap of the container 2. The latter comprises a body 13 provided superiorly with a threaded neck 14, on which the gripping member 11 can be screwed to close the container 2. Alternatively, the attachment of the applicator on the container can be done otherwise.

Le col 14 peut accueillir, comme illustré, un organe d'essorage 20 qui est par exemple rapporté sur le récipient.The neck 14 can accommodate, as illustrated, a wiper member 20 which is for example attached to the container.

Cet organe d'essorage 20 peut comporter, comme illustré, une lèvre 26 définissant un orifice d'essorage 22 de diamètre adapté à celui de la tige 5.This wiper member 20 may comprise, as illustrated, a lip 26 defining a wiper orifice 22 of diameter adapted to that of the rod 5.

L'organe d'application 8 peut être fixé par tout moyen adapté à la tige 5, par exemple être reçu dans un logement prévu à l'extrémité distale de la tige.The applicator member 8 can be fixed by any means adapted to the rod 5, for example to be received in a housing provided at the distal end of the rod.

L'organe d'application 8 comporte, dans l'exemple considéré, une âme métallique torsadée 40.In the example under consideration, the applicator member 8 comprises a twisted metal core 40.

Le diamètre de la tige 5 peut diminuer, comme représenté, sur une portion distale 64 de la tige 5 adjacente à son extrémité distale 66, et rester sensiblement constant sur la plus grande partie de la tige jusqu'à l'organe de préhension 3.The diameter of the rod 5 can decrease, as shown, on a distal portion 64 of the rod 5 adjacent to its distal end 66, and remain substantially constant over most of the rod to the gripping member 3.

Le cas échéant, la tige 5 peut présenter, dans la portion qui vient se positionner en regard de l'orifice d'essorage lorsque l'applicateur est en place sur le récipient, un rétreint annulaire, afin d'éviter de contraindre la lèvre d'essorage 26 pendant le stockage.If necessary, the rod 5 may have, in the portion that comes to be positioned opposite the wiper orifice when the applicator is in place on the container, an annular narrowing, to avoid constraining the lip d spin 26 during storage.

L'âme 40 porte des poils 41, qui peuvent être naturels ou synthétiques, mélangés ou non, floqués ou non.The core 40 carries bristles 41, which may be natural or synthetic, mixed or not, flocked or not.

Dans l'exemple considéré, l'âme 40 est formée par deux branches d'un fil métallique replié en U, les poils 41 étant pris entre les spires de l'âme. Le diamètre du fil métallique va par exemple de 0,1 à 1 mm. Le diamètre des poils va par exemple de 0,06 à 0,35 mm.In the example considered, the core 40 is formed by two branches of a U-folded wire, the bristles 41 being caught between the turns of the core. The diameter of the wire metal is for example 0.1 to 1 mm. The diameter of the bristles is, for example, from 0.06 to 0.35 mm.

La surface enveloppe E, définie par les extrémités libres des poils 41, présente deux faces principales 50 opposées.The envelope surface E, defined by the free ends of the bristles 41, has two opposite main faces 50.

L'âme 40 est rectiligne dans l'exemple décrit, par exemple d'axe longitudinal confondu avec celui de la tige 5. Les faces principales 50 sont reliées par deux faces latérales 51, qui sont par exemple convexes vers l'extérieur, comme illustré.The core 40 is rectilinear in the example described, for example of longitudinal axis coinciding with that of the rod 5. The main faces 50 are connected by two lateral faces 51, which are for example convex towards the outside, as illustrated .

On a représenté, à titre d'exemples, quelques sections transversales possibles pour l'organe d'application sur les figures 6 à 9.By way of examples, there are shown a few possible cross-sections for the application member on the Figures 6 to 9 .

Le ratio largeur/épaisseur l/e peut varier d'une manière relativement importante selon les organes d'application, comme illustré sur ces figures.The width / thickness ratio l / e may vary in a relatively large manner depending on the application members, as illustrated in these figures.

L'organe d'application peut avoir une section transversale rectangulaire et des faces latérales 51 qui sont parallèles, comme illustré à la figure 7.The applicator member may have a rectangular cross section and side faces 51 that are parallel, as shown in FIG. figure 7 .

Les faces principales 50 peuvent être parallèles, comme illustré sur les figures 2 à 7, ou convexes vers l'extérieur, comme illustré à la figure 8.The main faces 50 may be parallel, as illustrated on the Figures 2 to 7 , or convex outward, as illustrated in figure 8 .

Lorsque les faces principales 50 sont convexes vers l'extérieur, les faces latérales 51 peuvent être parallèles, comme illustré à la figure 8, ou dans une variante non illustrée, être convexes vers l'extérieur, par exemple avec un rayon de courbure plus petit que celui des faces principales.When the main faces 50 are outwardly convex, the lateral faces 51 may be parallel, as shown in FIG. figure 8 , or in a variant not shown, to be convex outwards, for example with a radius of curvature smaller than that of the main faces.

Les faces principales 50 peuvent encore, comme illustré à la figure 9, être concaves vers l'extérieur, cette concavité étant par exemple définie par une portion de cercle ou par des faces formant un dièdre rentrant entre elles.The main faces 50 can still, as illustrated in FIG. figure 9 to be concave towards the outside, this concavity being for example defined by a portion of a circle or by faces forming a dihedral returning between them.

Dans une variante non illustrée, l'organe d'application peut présenter, en section transversale, une forme dissymétrique, par exemple avec deux faces principales ayant des formes différentes.In a variant not illustrated, the applicator member may have, in cross section, an asymmetrical shape, for example with two main faces having different shapes.

Le décalage angulaire β entre les grands axes M des sections transversales aux extrémités proximale et distale de la portion vrillée de l'organe d'application peut prendre diverses valeurs suivant les exemples de réalisation, comme mentionné plus haut.The angular offset β between the major axes M of the transverse sections at the proximal and distal ends of the twisted portion of the applicator member can assume various values according to the exemplary embodiments, as mentioned above.

Sur la figure 10, on a représenté une variante d'ébauche de l'organe d'application avant vrillage de l'âme 40 dont les faces latérales 51 sont ondulées et passent par exemple par un minimum relatif de largeur sensiblement à mi-longueur de la portion de l'âme 40 portant les poils.On the figure 10 , there is shown an alternative embodiment of the application member before twisting of the core 40, the side faces 51 are corrugated and pass for example by a relative minimum width substantially mid-length of the portion of the 40 soul carrying the hair.

L'âme 40 de l'organe d'application peut encore être excentrée, en section transversale, comme illustré à la figure 11.The core 40 of the applicator member may also be eccentric, in cross-section, as illustrated in FIG. figure 11 .

Lorsqu'observée perpendiculairement aux faces principales, l'ébauche 80 servant à fabriquer l'organe d'application 8 peut présenter, comme on le voit sur la figure 12, des faces latérales 51 qui ne sont pas parallèles et rectilignes pour au moins une portion de la longueur de l'organe d'application. Ces faces latérales 51 sont par exemple concaves vers l'extérieur sur une portion 90 de l'ébauche qui s'étend par exemple entre des portions 92 distales et proximales, lesquelles sont par exemple chacune de largeur décroissante vers l'extrémité adjacente de l'organe d'application.When observed perpendicularly to the main faces, the blank 80 used to manufacture the applicator member 8 may have, as can be seen in FIG. figure 12 , side faces 51 which are not parallel and rectilinear for at least a portion of the length of the applicator member. These lateral faces 51 are for example concave towards the outside on a portion 90 of the blank which extends for example between distal and proximal portions 92, which are for example each of decreasing width towards the adjacent end of the implementing body.

Sur la figure 13, on a illustré la possibilité d'avoir une âme qui est rectiligne sur sa portion portant les poils et qui fait un angle γ avec l'axe longitudinal de la tige Z, l'âme étant par exemple coudée autour d'un axe qui est par exemple parallèle au plan des faces principales 50.On the figure 13 the possibility of having a core which is rectilinear on its portion carrying the bristles and which is at an angle γ with the longitudinal axis of the rod Z is illustrated, the core being for example bent around an axis which is for example parallel to the plane of the main faces 50.

L'âme 40 peut être torsadée dans un sens puis dans l'autre, par exemple torsadée à gauche sur une moitié de sa longueur puis torsadée à droite sur la moitié restante.The core 40 can be twisted in one direction and then in the other, for example twisted left over half of its length and twisted right on the remaining half.

Sur la figure 14 l'organe d'application 8 comporte une âme 40 moulée avec des dents.On the figure 14 the applicator member 8 comprises a core 40 molded with teeth.

L'âme 40 présente par exemple sur la majorité de sa longueur une section transversale polygonale, dont les côtés définissent des faces longitudinales 15.The core 40 has, for example, over most of its length a polygonal cross section, the sides of which define longitudinal faces 15.

Les faces longitudinales 15 sont par exemple au nombre de quatre, la section transversale de l'âme étant par exemple sensiblement carrée comme illustré.The longitudinal faces 15 are for example four in number, the cross section of the core being for example substantially square as illustrated.

Sur chacune de ces faces longitudinales 15 se raccorde dans l'exemple illustré une unique rangée 17 de dents 18, lesquelles ont par exemple des bases 19 alignées.On each of these longitudinal faces 15 is connected in the illustrated example a single row 17 of teeth 18, which have for example aligned bases 19.

D'autre part, les dents 18 de chaque rangée 17 s'étendent selon un axe longitudinal de la rangée qui est vrillé, comme on peut le voir sur la figure 17, les faces 15 de l'âme 40 étant elles-mêmes vrillées.On the other hand, the teeth 18 of each row 17 extend along a longitudinal axis of the row which is twisted, as can be seen on the figure 17 the faces 15 of the core 40 are themselves twisted.

L'âme 40 peut être prolongée, comme dans l'exemple considéré, de son côté proximal, par un embout cylindrique qui permet sa fixation sur la tige 5. La fixation peut notamment se faire par montage à force, encliquetage, collage, soudage ou sertissage dans un logement prévu à l'extrémité de la tige. En variante, la tige peut être insérée dans un logement prévu dans l'âme.The core 40 can be extended, as in the example in question, from its proximal side, by a cylindrical endpiece which allows it to be fixed to the rod 5. The fixing can be done by force fitting, latching, gluing, welding or crimping in a housing provided at the end of the rod. Alternatively, the rod can be inserted into a housing provided in the core.

L'âme 40 peut encore être réalisée d'un seul tenant par moulage de matière avec la tige 5 ou avec un logement dans lequel est insérée la tige 5.The core 40 can also be made in one piece by molding material with the rod 5 or with a housing in which the rod 5 is inserted.

L'âme 40 peut être déformée au moment du démoulage ou en variante être moulée avec sa forme définitive.The core 40 may be deformed at the time of demolding or alternatively be molded with its final shape.

Les dents 18 sont réalisées dans l'exemple considéré d'un seul tenant par moulage de matière thermoplastique avec l'âme 40.The teeth 18 are made in the example considered in one piece by molding thermoplastic material with the core 40.

On peut utiliser pour mouler l'organe d'application 8 une matière thermoplastique relativement rigide ou non, par exemple du SEBS, PU, un silicone, du latex, du butyle, de l'EPDM, un nitrile, nitrile butyle, un polymère à base d'acétate, un polymère à base de styrène SIS, un élastomère thermoplastique, un élastomère de polyester, de polyamide, de polyéthylène ou de vinyle, une polyoléfine telle que du PE ou PP, du PVC, de l'EVA, du PS, du PET, du POM, du PA ou du PMMA, un élastomère de PA. On peut notamment utiliser les matériaux connus sous les marques Hytrel®, Cariflexe®, 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, PU, silicone, latex, butyl, EPDM, a nitrile, butyl nitrile, a polymer to acetate base, a styrene-based polymer SIS, a thermoplastic elastomer, a polyester, polyamide, polyethylene or vinyl elastomer, a polyolefin such as PE or PP, PVC, EVA, PS , PET, POM, PA or PMMA, an elastomer of PA. Use may in particular materials known under the trademark Hytrel ®, ® Cariflexe, Alixine ®, Santoprene ®, Pebax ®, this list is not exhaustive.

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

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

L'organe d'application 8 peut comporter, à son extrémité distale 12, une tête qui est effilée vers l'avant afin de faciliter la rentrée de l'applicateur 3 dans le récipient 2. La hauteur des dents 18 peut diminuer en rapprochement de la tête 12, le long d'une portion distale, comme illustré sur la figure 14.The applicator member 8 may comprise, at its distal end 12, a head which is tapered forwards in order to facilitate the retraction of the applicator 3 into the receptacle 2. The height of the teeth 18 may decrease in proximity to the head 12, along a distal portion, as illustrated on the figure 14 .

La hauteur des dents 18 peut également diminuer le long d'une portion de transition proximale, en direction de la tige 5, de façon à faciliter le franchissement de l'organe d'essorage 20 par l'organe d'application 8 lors du retrait de l'applicateur 3.The height of the teeth 18 may also decrease along a proximal transition portion, in the direction of the rod 5, so as to facilitate the crossing of the wiper member 20 by the applicator member 8 during removal. of the applicator 3.

D'une façon générale, 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.In general, the core may comprise any number of longitudinal faces, all the characteristics described above being applicable independently of the number of longitudinal faces.

L'organe d'essorage peut avoir une portion de diamètre intérieur constant, comme illustré à la figure 15.The wiper member may have a portion of constant inner diameter, as illustrated in FIG. figure 15 .

Le déplacement de la portion vrillée de l'organe d'application au contact de la surface intérieure cylindrique de l'organe d'essorage peut favoriser le malaxage du produit avec la portion vrillée de l'organe d'application agissant comme une turbine.The displacement of the twisted portion of the applicator member in contact with the cylindrical inner surface of the wiper member may promote the mixing of the product with the twisted portion of the applicator member acting as a turbine.

La tige 5 peut être munie en extrémité, comme illustré à la figure 16, d'un embout 180 élastiquement déformable qui sert de support à l'âme de la brosse et qui autorise un certain débattement angulaire lors du retrait de la brosse du récipient ou lors de l'application, comme illustré à la figure 17. Cet embout comporte par exemple une gorge 181. L'embout est par exemple tel que décrit dans EP 1 917 883 A2 et peut être réalisé au moins partiellement dans un matériau de la liste suivante : matériau élastomère, thermoplastique, thermoplastique élastomère, PEBD, PVC, PU, les polyesters élastomères thermoplastiques, notamment les copolymères de téréphtalate de butène et de polytétraméthylèneoxyde glycol estérifié, HYTREL®, EPDM, PDM, EVA, SIS, SEBS, SBS, latex, silicone, nitrile, butyl, polyuréthane, polyéther bloc amide, polyester, cette liste n'étant pas limitative. L'embout peut être réalisé avec un matériau dont la dureté est par exemple comprise entre 25 Shore A et 80 Shore D, voire entre 40 Shore A et 70 Shore D. La ou les parties rigides de la tige peuvent être réalisées dans un matériau thermoplastique, notamment l'un des matériaux choisis dans la liste suivante : PEHD, PEBD, PE linéaire, PT, PP, POM, PA, PET, PBT, cette liste n'étant pas exhaustive.The rod 5 may be provided at the end, as illustrated in FIG. figure 16 , an elastically deformable tip 180 which serves as a support for the core of the brush and which allows a certain angular movement during removal of the brush from the container or during application, as illustrated in FIG. figure 17 . This tip comprises for example a groove 181. The tip is for example as described in EP 1 917 883 A2 and can be produced at least partially from a material from the following list: elastomer, thermoplastic, thermoplastic elastomer, LDPE, PVC, PU, polyester thermoplastic elastomers, especially terephthalate butene copolymers and polytetramethylene esterified glycol, HYTREL ®, EPDM, PDM, EVA, SIS, SEBS, SBS, latex, silicone, nitrile, butyl, polyurethane, polyether amide block, polyester, this list not being limiting. The tip may be made of a material whose hardness is for example between 25 Shore A and 80 Shore D, or even between 40 Shore A and 70 Shore D. The rigid part or parts of the rod may be made of a thermoplastic material , in particular one of the materials selected from the following list: HDPE, LDPE, linear PE, PT, PP, POM, PA, PET, PBT, this list not being exhaustive.

Les poils peuvent être naturels ou synthétiques et par exemple être fabriqués dans une matière choisie parmi : PE, PA, notamment PA6, PA6/6, PA6/10 ou PA6/12, HYTREL®, PEBAX®, silicone, PU, cette liste n'étant pas limitative. La brosse peut comporter des poils présentant des propriétés élastiques, notamment des poils réalisés en élastomère. On peut utiliser des poils présentant des propriétés magnétiques. La brosse peut être floquée. Les poils peuvent être traités de façon à présenter des fourches, boules ou crochets à leurs extrémités. Les poils peuvent être traités pour être glissants.The bristles may be natural or synthetic and for example be made of a material selected from: PE, PA, in particular PA6, PA6 / 6, PA 6/10 or PA-6/12, HYTREL ®, PEBAX ®, silicone, PU, this list n not being limiting. The brush may comprise bristles having elastic properties, especially bristles made of elastomer. Hair with magnetic properties can be used. The brush can be flocked. The bristles may be treated to have forks, balls or hooks at their ends. The hairs can be treated to be slippery.

Les poils peuvent présenter une section circulaire pleine, circulaire creuse, polygonale creuse, par exemple triangulaire creuse. Les poils peuvent encore présenter une section creuse en forme d'étoile, une section multilobée, qui peut être pleine, une section aplatie, ovale, en forme d'équerre, de H, de haltère, une forme polygonale pleine triangulaire, carrée, pentagonale, demi-circulaire, trapézoïdale ou encore en forme de tuile. Les poils peuvent présenter au moins une rainure capillaire.The bristles may have a solid circular, hollow circular, hollow polygonal, for example triangular hollow section. The bristles may also have a star-shaped hollow section, a multilobed section, which may be solid, a flattened, oval, angled, H, dumbbell section, a full triangular, square, pentagonal polygonal shape. , semicircular, trapezoidal or tile-shaped. The bristles may have at least one capillary groove.

La brosse peut être mise en vibration, soit par un générateur monté dans l'applicateur, notamment sur l'organe de préhension, de manière amovible ou non, soit par un élément vibrant extérieur monté sur un doigt de l'utilisateur, par exemple.The brush may be vibrated, either by a generator mounted in the applicator, in particular on the gripping member, removably or not, or by an external vibrating element mounted on a finger of the user, for example.

Un générateur de vibrations est décrit dans la demande de brevet français FR 2 882 506 .A vibration generator is described in the French patent application FR 2 882 506 .

On peut utiliser, dans une variante, pour réaliser l'âme, un double fil de fer qui est lui-même torsadé pour enserrer les poils, ce qui peut permettre de rendre la distribution des extrémités libres des poils plus aléatoire. On peut encore former la brosse en torsadant entre elles deux âmes torsadées portant chacune des poils.It is possible to use, in a variant, to make the core, a double wire which is itself twisted to grip the hairs, which can make the distribution of the free ends of the hairs more random. One can still form the brush by twisting between them two twisted cores each carrying bristles.

On peut utiliser un organe d'essorage dont l'orifice d'essorage est défini par une lèvre ondulée. L'organe d'essorage peut être rigide, par exemple réalisé en matière thermoplastique non élastomère. Dans une autre variante, l'organe d'essorage peut être flexible, par exemple réalisé en élastomère.It is possible to use a wiper member whose wiper orifice is defined by a wavy lip. The wiper member may be rigid, for example made of non-elastomeric thermoplastic material. In another variant, the wiper member may be flexible, for example made of elastomer.

La brosse peut être vrillée seulement sur une partie distale, par exemple la moitié distale, comme illustré à la figure 18.The brush may be twisted only on a distal portion, for example the distal half, as shown in FIG. figure 18 .

L'âme de la brosse, une fois vrillée, peut être incurvée autour d'un axe au moins, par exemple un axe perpendiculaire à l'âme.The core of the brush, once twisted, can be curved about an axis at least, for example an axis perpendicular to the soul.

L'expression "comportant un" doit être comprise comme étant synonyme de "comportant au moins".The phrase "with one" should be understood as being synonymous with "comprising at least".

Claims (14)

  1. An applicator (3) comprising a stem (5) and an applicator member (8) at an end of the stem, the applicator member comprising:
    • a core (40); and
    • projecting elements (41, 18) that extend from the core (40), the applicator member including a corkscrewed portion having an envelope surface with a flat cross-section,
    characterized in that
    the greatest transverse dimension (ℓ) of the corkscrewed portion lies in the range 8 mm to 16 mm and the long axes (Xp, Xd) of the proximal and distal cross-sections of the corkscrewed portion are angularly offset around the longitudinal axis of the core by less than 90°.
  2. The applicator according to claim 1, the thickness of the corkscrewed portion lying in the range of 2 mm to 6.5 mm.
  3. The applicator according to any one of claims 1 or 2, the corkscrewed portion extending over at least half the length of the applicator member.
  4. The applicator according to any preceding claim, the long axes (Xp) and (Xd) of the proximal and distal cross-sections of the corkscrewed portion being angularly offset by an angle (β) that lies in the range of 20° to 80°.
  5. The applicator according to any preceding claims, the angle (β) lying in the range of 25 and 35°.
  6. The applicator according to any preceding claims, the largest width of a cross-section of the corkscrewed portion being at least 30% wider than the thickness (e) of the corkscrewed portion measured in a cutting plane perpendicular to the longitudinal axis of the core in a direction perpendicular to the largest width.
  7. The applicator according to any preceding claim, the longitudinal axis of the core (40) being straight.
  8. The applicator according to any preceding claim, the largest width (ℓ) of a cross-section of the corkscrewed portion being at least 3 mm greater than its thickness (e).
  9. The applicator according to any preceding claim, the corkscrewed portion presenting two opposite main faces (50) that are parallel to each other.
  10. The applicator according to any one of claims 1 to 9, the corkscrewed portion being at constant pitch.
  11. The applicator according to any preceding claim, the core being twisted.
  12. The applicator according to any one of claims 5 and 6, with ℓ/e ≥ 1.3, for at least one cross-section of the core.
  13. The applicator according to claim 1, the applicator member and the protruding elements being molded.
  14. A method of manufacturing a brush for an applicator according to any one of claims 1 to 13, the method comprising the following steps:
    a)making a blank of a twisted-core brush of envelope surface that is circularly cylindrical, and of diameter lying in the range 8 mm to 16 mm;
    b) machining the brush over at least a portion of its length, so as to obtain a blank with a flat cross-section; and
    c1) corkscrewing the core through an angle (β) that is strictly less than 90°; or
    c2) machining the blank, while turning the brush relative to the machining tool, so as to obtain a brush that presents a portion with a cross-section that is flat over at least a fraction of its length, the long axes (Xp) and (Xd) of the proximal and distal cross-sections of the machined portion defining an angle (β) that is strictly less than 90°.
EP10156829.3A 2009-03-20 2010-03-18 Applicator for applying a cosmetic, makeup or care product, and method for making the same Active EP2229840B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0951794A FR2943226B1 (en) 2009-03-20 2009-03-20 APPLICATOR FOR APPLYING A COSMETIC, MAKE-UP OR CARE PRODUCT, AND METHOD OF MANUFACTURE

Publications (2)

Publication Number Publication Date
EP2229840A1 EP2229840A1 (en) 2010-09-22
EP2229840B1 true EP2229840B1 (en) 2015-06-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10156829.3A Active EP2229840B1 (en) 2009-03-20 2010-03-18 Applicator for applying a cosmetic, makeup or care product, and method for making the same

Country Status (7)

Country Link
US (1) US20100294299A1 (en)
EP (1) EP2229840B1 (en)
JP (1) JP2010221040A (en)
CN (1) CN101878990B (en)
BR (1) BRPI1002532B1 (en)
ES (1) ES2546292T3 (en)
FR (1) FR2943226B1 (en)

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FR2969127B1 (en) * 2010-12-21 2014-04-18 Oreal DEVICE FOR PACKAGING A PRODUCT, ESPECIALLY COSMETIC, WITH A SEALING DEVICE
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FR3007629B1 (en) 2013-06-26 2015-08-07 Oreal DEVICE FOR APPLYING A COSMETIC PRODUCT
FR3014656B1 (en) 2013-12-17 2017-04-28 Oreal APPLICATOR OF A COSMETIC, MAKE-UP OR CARE PRODUCT, ON LASHES AND / OR EYEBROWS
CN105899100B (en) * 2013-12-26 2019-09-17 花王株式会社 Cosmetic material application apparatus
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FR3019014B1 (en) * 2014-03-25 2017-05-12 Albea Services APPLICATOR FOR COSMETIC PRODUCT, IN PARTICULAR MASCARA AND METHOD FOR MANUFACTURING SUCH APPLICATOR
FR3020254B1 (en) 2014-04-29 2017-09-08 Oreal APPLICATOR OF COSMETIC OR CARE PRODUCT ON THE LASHES AND / OR THE EYE
JP2016521193A (en) * 2014-05-09 2016-07-21 エーエー アールアンドディー エルエルシー Cosmetic torsion brush
FR3026283B1 (en) * 2014-09-30 2016-12-09 Oreal APPLICATOR OF A COSMETIC, MAKE-UP OR CARE PRODUCT, ON LASHES AND / OR EYEBROWS
US9907387B2 (en) * 2015-01-13 2018-03-06 Aa R&D Llc Straw-type adjustable cosmetic applicator
FR3040606B1 (en) * 2015-09-09 2019-11-29 Albea Services APPLICATOR FOR COSMETIC PRODUCT, METHOD FOR OBTAINING APPLICATOR, AND ASSOCIATED APPLICATOR ASSEMBLY
FR3059877B1 (en) * 2016-12-08 2020-12-11 Albea Services "APPLICATOR FOR COSMETIC PRODUCT AND ASSOCIATED APPLICATOR SET"
JP6832162B2 (en) * 2017-01-10 2021-02-24 株式会社 資生堂 Cosmetic application tool
FR3065627B1 (en) * 2017-04-26 2019-04-19 L'oreal CAPILLARY APPLICATOR WITH ERGONOMIC MEPLATES
JP6254316B1 (en) * 2017-05-30 2017-12-27 株式会社新和製作所 Cosmetic applicator
FR3111774B1 (en) 2020-06-26 2022-07-29 Oreal Hybrid Twist Brush Applicator

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Also Published As

Publication number Publication date
BRPI1002532A2 (en) 2012-03-13
ES2546292T3 (en) 2015-09-22
CN101878990B (en) 2014-04-02
FR2943226A1 (en) 2010-09-24
CN101878990A (en) 2010-11-10
EP2229840A1 (en) 2010-09-22
BRPI1002532B1 (en) 2020-01-07
US20100294299A1 (en) 2010-11-25
FR2943226B1 (en) 2011-06-03
JP2010221040A (en) 2010-10-07

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