EP3558056B1 - Applicator device for cosmetic product with flexible applicator element - Google Patents

Applicator device for cosmetic product with flexible applicator element Download PDF

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Publication number
EP3558056B1
EP3558056B1 EP17828986.4A EP17828986A EP3558056B1 EP 3558056 B1 EP3558056 B1 EP 3558056B1 EP 17828986 A EP17828986 A EP 17828986A EP 3558056 B1 EP3558056 B1 EP 3558056B1
Authority
EP
European Patent Office
Prior art keywords
core
housing
rod
applicator element
applicator
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
EP17828986.4A
Other languages
German (de)
French (fr)
Other versions
EP3558056A1 (en
Inventor
Marc Chevalier
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.)
LVMH Recherche GIE
Original Assignee
LVMH Recherche GIE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LVMH Recherche GIE filed Critical LVMH Recherche GIE
Publication of EP3558056A1 publication Critical patent/EP3558056A1/en
Application granted granted Critical
Publication of EP3558056B1 publication Critical patent/EP3558056B1/en
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
    • A46B5/0066—Flexible resilience by elastic deformation of the material
    • 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
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/264—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like movable within the container
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/16—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by wires or other anchoring means, specially for U-shaped bristle tufts
    • 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
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/10—Details of applicators
    • 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 device and to a device for packaging and applying a cosmetic product to keratin materials, in particular keratin fibers such as eyelashes or eyebrows.
  • the cosmetic product is in particular a mascara.
  • EP-A-1 935 279 describes an example of an applicator device for applying a product to keratin fibres.
  • This applicator device comprises a stem, an applicator member fixed to one end of the stem and a rigid core extending in the extension of the stem.
  • the core is attached to the rod or made monolithically with the rod.
  • the applicator device further comprises an outer casing with an attachment zone and an application zone.
  • the outer shell defines an inner cavity into which the core is inserted.
  • the outer casing is attached to one end of the upper by the attachment zone and is free relative to the core, at least over part of the application zone.
  • the attachment zone of the outer shell is attached to the upper and to the core so as to be sandwiched between the upper and the core.
  • the core may be flexible so as to provide flexibility in the application of the product.
  • US-A-2008 107,470 describes an applicator device with an applicator element, a rigid rod and a flexible piece between the applicator element and the rigid rod.
  • the applicator element comprises a rigid twisted core and transversely extending bristles.
  • the rigid twisted core of the applicator element is fixed in a housing of the flexible part, which is in turn fixed in a housing formed at one end of the rod.
  • the flexible part is elastically deformable. This assembly is also complex and not very robust.
  • the international request WO-A-2013/034638 describes a device substantially identical to the applicator device of the application US-A-2008 107,470 , aimed at securing the rigid core of the applicator element.
  • the core of the applicator element is fixed in a housing of the flexible part and held in position by a holding element surrounding a part of the flexible part.
  • the core of the applicator element is fixed in a housing of the holding element, a part of the flexible part being molded around the holding element.
  • the assembly proposed in this last application is however complex and therefore induces a high manufacturing cost.
  • European demand EP0811336 discloses a brush in particular for applying mascara comprising a straight rod defining a main axis, a flexible core, comprising a first and a second end, the first end being integral with this rod, bristles implanted radially in this core, the end of the bristles defining the surface of the brush, this surface comprising a first face, the intersection of any meridian plane passing through the main axis with the surface of the brush defining two ridge lines having a determined curvature.
  • the core may be curved
  • the ridge lines may be convex
  • the first face substantially straight and parallel to the main axis.
  • An object of the invention is to provide an applicator device that does not have at least some of the drawbacks indicated above.
  • the invention aims to provide an applicator device comprising a flexible applicator element, which is of simple and robust design.
  • the applicator device according to the invention can be used to apply any type of cosmetic product.
  • the applicator device according to the invention has a flexible applicator element improving the comfort of use, without loss of precision of this application.
  • the applicator device according to the invention is of simpler design.
  • the applicator device may in particular have dimensions substantially identical to those of known applicator devices.
  • it is not necessary to provide a cosmetic product container of specially adapted shape, a known container being able to be used.
  • the applicator device thus does not induce any additional cost of packaging and/or of its assembly method.
  • the proposed solution also overcomes all constraints of choice of materials for the applicator element, depending on the product to be applied.
  • the invention also relates to a device for packaging and applying a cosmetic product to be applied to keratin materials, in particular keratin fibers such as eyelashes or eyebrows, comprising an applicator device as described above in all its combinations, and a container intended to contain the product to be applied, the applicator device being able to be fixed on the container so that the applicator element is received inside the container, in contact with the cosmetic product.
  • the container has an opening and the gripping member is adapted to be fixed on the container to close the opening of the container.
  • the gripping member has a threaded skirt
  • the container has a threaded neck
  • the threaded skirt of the gripping member being capable of being screwed onto the threaded neck of the container.
  • FIG 1 illustrates a device 10 for packaging and applying a cosmetic product 12 to be applied to keratin fibres, in particular the eyelashes or eyebrows.
  • the cosmetic product 12 is for example mascara.
  • This packaging and application device 10 essentially comprises a container 14 containing the cosmetic product 12 to be applied and an applicator device 16.
  • the applicator device 16 comprises a stem 18, having a first 18a and a second end 18b.
  • the rod 18 extends in a longitudinal direction X 0 between the first end 18a and the second end 18b of the rod 18.
  • the longitudinal direction X 0 of the rod is common to the longitudinal direction X of the container 14, of a gripping member 20 of the applicator device 16, and to the longitudinal direction X 1 of an applicator element 22 of the applicator device 16 in the position in which this applicator element 22 is shown.
  • the position depicted in figure 1 of the applicator element 22 is a so-called “at rest” position, a position in which the applicator element is not used to apply a cosmetic product to a keratin material.
  • the gripping member 20 is fixed at the level of the first end 18a of the rod 18.
  • the applicator element 22 is mounted at the level of the second end 18b of the rod 18, that is to say in the vicinity of this second end 18b of rod 18.
  • gripping member 20 is substantially cylindrical.
  • the cross section of the gripping member 20 can in particular be oval, round or polygonal, for example triangular, square or rectangular.
  • the gripping member 20 allows, in addition to the gripping of the applicator device 16, the attachment of this applicator device 16 to the container 14.
  • the container 14 for example of tubular shape with an axis X, has at the level of a neck 24 adapted to allow the passage of the applicator element 22 and the stem 18, a threaded neck 26.
  • the gripping member 20 is provided with a threaded skirt 27, adapted to be screwed onto the threaded neck 26. This attachment thus also makes it possible to close the neck 24.
  • the rod 18 allows the applicator element 22 to be received in the cosmetic product 12, thus allowing extract part of it when removing the application device 16.
  • the container 14 also comprises, in the neck 24, a wiper ring 28, mounted here tightly in the neck 24.
  • This wiper ring 28 is intended to come into contact with the applicator element 22 when it is removed from inside the container 14, to eliminate the surplus of cosmetic product 12 with which the applicator element 22 could be soaked or covered.
  • This wiper ring 28 is however optional.
  • the method of fixing the applicator device 16 by screwing the gripping member 20 onto a threaded neck 26 of the container 14 is only one example among other embodiments that can be envisaged by those skilled in the art.
  • figure 2 And 3 illustrate in longitudinal section, a detail of the second end 18b of the rod 18, at which the applicator element 22 is fixed.
  • the applicator element 22 is a molded applicator and has an application portion 30, intended to allow the application of the cosmetic product 12 to the keratin fibers.
  • the applicator element 22 is for example made of plastic, or of any other material making it possible to obtain an applicator element 22 that is more flexible or more rigid with respect to the stem 18.
  • the first, second and third zones 30a, 30b, 30c can in particular be provided with pins - not visible on the figure 2 And 3 - to allow a satisfactory application of cosmetic product.
  • the applicator element 22 is here fixed at the level of the second end 18b of the rod 18 by means of a flexible, deformable core 34 elastically to allow the bending of the applicator element 22 relative to the rod 18. More specifically, here, the applicator element 22 is molded onto the core 34.
  • this core 34 is made in one piece with the rod 18.
  • the core 34 and the rod 18 form a single piece.
  • the diameter d 18 of the rod 18 is chosen greater than the diameter d 34 of the core 34 so that the core 34 is flexible with respect to the rod 18, which is rigid.
  • the flexible core 34 has a cross section, the cross section of the flexible core has a diameter d 34 ;
  • the rod 18 has a cross section, the cross section of the rod 18 has a diameter d 18 ;
  • the diameter d 34 of the cross section of the flexible core 34 is less than or equal, preferably strictly less, than the diameter d 18 of the cross section of the rod 18.
  • the diameter d 18 of the rod 18 can be at least twice greater than the diameter d 34 of the core 34, preferably at least five times greater.
  • the rod 18 thus has a shoulder 19 from which the core 34 extends.
  • the rod 18 and the core 34 are, for example and in a non-limiting manner, made of copolyester, polyethylene (PE), polypropylene (PP) or polyoxymethylene (POM).
  • PE polyethylene
  • PP polypropylene
  • POM polyoxymethylene
  • the diameter d 34 of the flexible core 34 is for example greater than 0.3 mm, preferably greater than 0.4 mm.
  • This diameter d 34 can also or alternatively be less than 2.5 mm, preferably less than 1.5 mm, more preferably less than 0.7 mm, more preferably less than or equal to 0.6 mm.
  • the diameter d 34 of the core 34 is equal to 0.5 mm.
  • the core 34 extends from the shoulder 19 of the rod 18 to the second end 18b of this same rod 18. In addition, the core 34 extends freely over a length L measured between the shoulder 19 of the stem 18 and the application portion 30 of the applicator element 22.
  • the length L over which the core 34 extends freely is at least 2 mm, or even at least 3 mm, preferably at least 5 mm.
  • the core 34 is shaped to allow maximum bending of the applicator element 22 relative to the rod 18, by elastic deformation of the core 34, such that a maximum angle ⁇ of bending between the longitudinal direction X 1 of the applicator element at rest and the longitudinal direction X 2 of the applicator element 22 flexed, measured in a longitudinal plane of the applicator device 16 including the longitudinal direction X 1 of the stem 18 and the longitudinal direction X 2 of the applicator element 22, is at least 1°, or even of at least 2°, or even of at least 5°, or even of at least 10°.
  • the applicator element 22 in the position at rest, the applicator element 22 is subjected solely to its weight and to the reaction of the core 34. In the bent position, an additional external force is applied to the applicator element, for example by the material keratin on which the cosmetic product is applied.
  • the core 34 allows a relative movement of the applicator element 22 with respect to the rod 18. It should be noted here that the core 34 being more flexible than the rigid rod 18, it is the core 34 which deforms and not the stem 18, in the event of application of a force to the applicator element 22. This deformation makes it possible to compensate for excessive pressure on the applicator element 22, pressure which could be painful without this deformation. This deformation thus induces greater comfort of application. In addition, this deformation also makes it possible to use an applicator element 22 whose spikes are more rigid, the rigidity of the spikes being particularly advantageous for combing the eyelashes or the eyebrows on which the cosmetic product is applied.
  • the maximum bending between the applicator element 22 and the stem 18, obtained by elastic deformation of the core 34, is limited.
  • the maximum bending angle ⁇ of the applicator element 22, obtained by elastic deformation of the core 34, is at most 30°, preferably at most 20°. Too great a maximum angle of flexion ⁇ can in fact impair the precision of the make-up. Too great a maximum angle of flexion ⁇ can also induce a pressure necessary for the application, which is very high, making the makeup operation tricky.
  • the first example 50 of an applicator device according to the invention shown in figures 4 and 5 differs from example 16 in three main points.
  • the core 34 is not made in one piece with the rod 18, but with the applicator element 22.
  • the assembly of the applicator device 50 can then be carried out in two stages: first the applicator element 22 with the core 34, then the whole thing is fixed on the stem 18.
  • the applicator element 22 comprises, in addition to the application portion 30, a base 32.
  • This base 32 has a substantially cylindrical shape.
  • the base 32 may in particular be of round section, with a diameter d 32 less than the diameter d 30 of the smallest base of the first zone 30a of the application portion 30.
  • the cylindrical surface of the base 32 is recessed by relation to the surface of the application portion 30, so that the base 32 cannot be in contact with the keratin material on which the cosmetic product is to be applied. This prevents the base 32 from being used to apply the cosmetic product, which would harm the precision of the application of the cosmetic product.
  • the base 32 is thus separate from the application portion 30 of the applicator element 22.
  • the diameter d 32 of the base 32 is for example at least twice smaller than the diameter d 30 of the smallest base of the first zone 30a.
  • the maximum diameter D 30 of the application portion 30 is for example equal to or greater than the diameter d 32 of the base 32, for example at least two or even three times greater than the diameter d 32 of the base 32.
  • length of the application portion 30 of the applicator element 22 is equal to or greater than the length l 32 of the base 32, preferably at least twice as great, more preferably at least five times greater than the length of the base 32, these lengths being measured along the longitudinal direction X 1 of the applicator element 22 at rest.
  • the rod 18 forms a housing 52.
  • the housing 52 is substantially tubular.
  • the housing 52 extends along the longitudinal direction X 0 of the rod 18 between a bottom 54 of the housing 52 and an outlet 56 of the housing 52 at the level of the second end 18 of the rod 18.
  • the housing 52 has a length, measured between the bottom 54 of the housing 52 and the outlet 56 of the housing 52.
  • the length of the housing 52 is for example between 2 and 10 mm, preferably equal to 4 mm.
  • Housing 52 also has a diameter d 52 , measured in a plane transverse to the length of housing 52. Diameter d 52 of housing 52 is preferably between 1 and 3 mm, preferably equal to 2.5 mm.
  • the base 32 of the applicator element 22 is entirely received in the housing 52, making the base 32 inaccessible from outside the housing 52.
  • the base 32 cannot be used to apply of the cosmetic product on the keratin material of a user, so that the base 32 is separate from the application portion 30 of the applicator element.
  • a hole 58 is made in the rod 18, coaxial with the rod 18.
  • the hole 58 opens at the level of the bottom 54 of the housing 52.
  • the diameter of the hole 58 is equal to or even substantially less than the diameter of the core 34, in order to be able to mount the core 34 clamped in the hole 58. It is thus possible to fix the core 34, and therefore the applicator element 22, in a simple and effective manner, on the rod 18.
  • other assembly techniques known to those skilled in the art can also be implemented.
  • the length of the hole is for example between 4 and 10 mm, and preferably equal to 6 mm.
  • the core 34 received tight in the hole 58, the application portion 30 of the applicator element 22 projects out of the housing 52.
  • a transverse clearance is maintained between the core 34 and the side wall 60 of the housing. 52.
  • a transverse play is also maintained between the base 32 of the applicator element, received in the housing 52, and the side wall 60 of the housing 52.
  • the applicator element 22 is capable of being moved in bending relative to rod 18.
  • the length L of the core 34 extending freely in this second example 50 thus comprises the length of the core 34 passing through the housing 52 between the bottom 54 of the latter as far as the base 32 of the applicator element, and the length l 32 of the base 32, which can, in this case, be considered as a portion of the core 34, since it is not part of the application portion 30 of the applicator element 22.
  • This length L is also at least equal to 2 mm, or even at least equal to 3 mm, preferably at least equal to 5 mm.
  • the core 34 is shaped to allow a maximum angle of bending ⁇ obtained by elastic deformation of the core 34, identical to that of example 16.
  • this maximum angle of bending ⁇ can be defined using of the side wall 60 of the housing 52 and of the base 32 of the applicator element 22.
  • the base 32 of the applicator element 22 is deformed by abutting against the side wall 60 up to the bending angle desired maximum.
  • the base 32 includes, for example, spikes capable of deforming in order to dampen the bending of the core 34, to further improve the comfort of use of the applicator element 22.
  • the applicator element 22 can be made from one or more thermoplastic materials, in particular from one or more elastomeric thermoplastic materials.
  • the base 32 can be in the extension of the application portion 30, the base 32 and the application portion 30 being for example cylindrical, of the same cross-section, and contiguous or not. Also in this case, the base 32 is distinct from the application portion in that this base 32 cannot be used to apply the cosmetic product, unlike the application portion 30. In this case, where the base 32 and application portion 30 are cylindrical with the same section, base 32 is then formed by the part of applicator element 22 which is not accessible to the keratin material on which the cosmetic product is to be applied. This part of the applicator element 22 can for example correspond to the part of the applicator element 22 received in the housing 52.
  • THE figures 6 and 7 illustrate a second example 70 of an applicator device according to the invention that can be implemented in the device 10 for packaging and applying a cosmetic product of the figure 1 .
  • the core 34 is not made in one piece either with the stem 18 or with the applicator element 22.
  • the core 34 is here a separate part from the stem 18 and separate from the applicator element 22
  • the applicator element 22 is molded over the core 34. Other methods of fixing the applicator element 22 to the core 34 are however possible.
  • the core 34 can be made of thermoplastic material or of metal.
  • the core 34 is fixed to the rod 18 as described with regard to the second example 50 of the figures 4 and 5 .
  • the length L of the core 34 over which it extends freely therefore also includes the length of the core 34 passing through the housing 52, outside the applicator element 22, and the portion of the core 34 passing through the base 32 of the applicator element 22.
  • the geometry of the applicator element 22 is here different from that of the first two examples.
  • the application portion 30 here comprises only the frustoconical portion 30c of the first examples, the largest base of which, with a diameter D 30 , is oriented towards the second end 18b of the stem 18.
  • Other shapes of the applicator element and other sections of this applicator element can be imagined.
  • FIG 8 illustrates a variant 80 of the applicator device 70, of which the application portion 30 of the applicator element 22 is formed by tufts of bristles 82 enclosed by one or more twisted threads 84, the twisted thread or threads 84 forming the core 34.
  • the twisted wire or wires are for example made of stainless steel.
  • the tufts of bristles 82 extend transversely to the longitudinal direction X 1 of the applicator element 22, at rest.
  • the tufts of bristles 82 have a longitudinal position on the core 34 and a length l 82 measured transversely to the longitudinal direction X 1 of the applicator element 22, the length l 82 of the tufts of bristles 82 being a function of their position longitudinal on the core 34.
  • the length l 82 of the tufts of bristles 82 can in particular be a decreasing function on at least a portion of the core 34, located outside the housing 52 and the hole 58, if necessary.
  • the cross section of the applicator element 22 is centered with respect to the core 34.
  • the core 34 can also be offset with respect to the cross section of the envelope surface in at least one point of the application portion.
  • the cross section of the application portion 30 can be square, rectangular or oblong, in particular. Whatever its shape, the cross-section of the application portion 30 can be centered or eccentric with respect to the core 34.
  • the diameter of the wire that is to say the diameter of the twisted strand(s) to form the twisted wire—is for example greater than 0.3 mm, preferably greater than 0.4 mm.
  • This wire diameter can also or alternatively be less than 0.7 mm, preferably less than 0.6 mm.
  • the diameter of the wire is equal to 0.5 mm.
  • a portion 86 of core 34 is piled.
  • This bristle portion 86 is preferably contiguous to the application portion 30 of the applicator element 22.
  • This bristle portion 86 is preferably received in the housing 52.
  • the tufts of bristles of this bristle portion 86 are preferably of shorter length or equal to the length l 82 of the tufts of bristles of the application portion.
  • the length of the tufts of bristles of this piled portion 86 is again, preferably, less than or equal to the diameter of the housing 52, in order to maintain a transverse clearance between the tufts of bristles of the piled portion 86 and the side wall 60 of the housing 52 Indeed, the hairy portion is not intended to be used for applying cosmetic product.
  • the bristled portion 86 of the core 34 is distinct from this application portion 30, in that the bristled portion cannot be used to apply cosmetic product on keratin material. Indeed, the keratin material is not accessible to the hairy portion 86, in this case, because the latter is received in the housing 52.
  • the bristled portion 86 received in the housing 52, makes it possible to define the maximum bending angle ⁇ by contact with the side wall 60 of the housing.
  • the tufts of bristles of the hairy portion 86 are preferably rigid, that is to say, in particular, more rigid than the tufts of bristles 82 of the application portion 30.
  • maximum bending angle can thus be defined by the quality, in particular the stiffness, and/or the density of the tufts of hair in the hairy zone 86.
  • the bristle tufts of the hairy portion 86 are more flexible than the bristle tufts 82 of the application portion 30.
  • the bristled portion 86 thus makes it possible to define the maximum angle of flexion.
  • this bristle portion 86 makes it possible to ensure control of the bending of the core, by the damping induced by the contact of the bristles of the bristle portion on the side wall 60 of the housing 52.
  • the quality, in particular the stiffness, of the tufts of bristles 82 of the application portion 30 can be different from the quality of the tufts of bristles of the hairy zone 86.
  • the stiffness of the tufts of bristles 82 can however be chosen also relatively large, this allowing for example to comb the eyelashes during the application of a mascara, the comfort of application then being ensured by the possible bending of the applicator element 22.
  • This last embodiment is of particularly simple design, the twisted wire necessary for fixing the tufts of bristles being implemented as a core allowing the bending of the applicator element 22 with respect to the rod 18. No other part intermediary is not necessary.
  • the core 34 consists of a twisted metal wire 84, in which the bristles are held.
  • the core strands 34 can be twisted left or right.
  • Core 34 can also be a double core, formed by two elementary cores twisted together. Each elementary core can comprise two strands twisted together and enclosing hairs.
  • the two elementary cores can each be constituted by a branch of a single twisted core folded in the shape of a U, the two branches being twisted together.
  • bristles and in particular bristles having a circular or other than circular cross-section. It is possible in particular to use a mixture of bristles of different kinds or a mixture of bristles of different lengths, of the same kind or not.
  • the bristles can have a diameter of between 6.5 hundredths of a millimeter and 40 hundredths of a millimeter.
  • the cross-section of the bristles can in particular be round, oval, polygonal, circular with a flattened part, star-shaped, cross-shaped, U-shaped, H-shaped, T-shaped, V-shaped.
  • the bristles which are retained between the twisted strands of the core may have, before being placed between the strands of the core, a rectilinear shape or not, for example a wavy shape.
  • the bristles can be subjected to a treatment making it possible to form balls or forks at their ends.
  • the bristles may be flocked.
  • the bristles can be made by extruding a plastic material comprising a filler of particles, for example particles of a moisture-absorbing material, in order to impart a microrelief to the surface of the bristles or to give them magnetic or other properties. .
  • the bristles can be natural or synthetic, for example be made of a material chosen from: PE, PA, in particular PA6, PA6/6, PA6/10 or PA6/12, HYTREL ® , PEBAS ® , silicone, PU, this list n not being limiting.
  • FIG. 9 And 10 illustrate a variant 90 of the embodiment of the figure 8 .
  • the longitudinal direction X 1 of the applicator element 22 at rest and the longitudinal direction X 0 of the rod 18 are not coincident, nor parallel.
  • the longitudinal direction X 1 of the applicator element 22 forms, even at rest, a non-flat angle with the longitudinal direction X 0 of the rod 18.
  • This can allow a particular use of the applicator element 22, in particular by favoring a particular face of the application portion rather than another.
  • the core 34 is bent.
  • the core 34 has two substantially rectilinear sections extending in two directions forming a non-flat angle.
  • core 34 may be curved over at least a portion of its length.
  • the applicator element 22 can bend in the event of use and the longitudinal direction X 2 of the applicator element 22 flexed forms an angle with the longitudinal direction X 1 of the applicator element 22, at rest, as described previously .
  • the deflection can be carried out locally at the level of the elbow formed at rest by the core 34 and/or over all or part of the core extending between the hole 58 and the elbow and/or over all or part of the core extending between the elbow and the free end of the web 34.
  • the longitudinal direction X 2 of the bent applicator element 22 may optionally be aligned with the longitudinal direction X 0 of the stem 18 or, as illustrated in the figure 10 , form an angle with this longitudinal direction X 0 of the rod 18 greater than the angle formed by the longitudinal direction X 1 of the applicator element 22 at rest, with respect to this longitudinal direction X 0 of the rod 18.
  • the figure 11 And 12 illustrate a variant 100 of the embodiment of the figure 8 .
  • the core 34 is here devoid of bristled portion 86, received in the housing 52.
  • all the bristles enclosed in the core 34 are here part of the application portion 30 of the applicator element 22.
  • the maximum flexion of the applicator element 22 with respect to its position at rest can be defined by the core 34 coming into abutment on the end of the side wall 60 of the housing 52.
  • example 110 of figures 13 and 14 differs from example 70 of figures 6 and 7 essentially in that the housing 52 at the end of the rod 18 is tapered.
  • a frustoconical shape makes it easier to mount the applicator element 30.
  • such a frustoconical housing 52 makes it possible to guide the core 34 towards the hole 58 in the stem 18.
  • the diameter of the housing 52 measured at its end into which the hole 58 opens, is substantially equal to the diameter of the hole 58.
  • the length L of the tapered housing 52, measured along the longitudinal direction X 0 of the rod 18, corresponds to the length of the core 34 extending freely. This length L can be within the value ranges indicated previously.
  • the length of the tapered housing 52 can be 10 mm.
  • the diameter d 52 of the housing 52 which corresponds, in the case of a housing 52 tapered to the maximum diameter of housing 52, measured at the end of rod 18, may be between 1 and 3 mm, preferably be equal to 2.5 mm.
  • the frustoconical shape of the housing 52 can be implemented in all the previous examples where the rod 18 has a housing 52, independently of the nature of the applicator element 30 and/or of the core 34.
  • the diameter d 18 of the rod 18 is for example, in example 110 figures 13 and 14 , between 3 mm and 4 mm. This value of the diameter d 18 of the rod 18 can also be applied to the other examples described above.
  • the applicator element can be of any suitable type and/or of any geometry suitable for the application of cosmetic product on keratin materials, in particular keratin fibers such as the eyelashes or the eyebrows.
  • the applicator can be a flocked applicator.
  • the rod 18 is substantially cylindrical.
  • the rod 18 is not flared at its second end 18b where the housing 52 opens out.
  • Such a flare does not appear necessary, which can make the applicator device 50 more difficult to introduce into its container 14.
  • such a flare may also be provided in certain embodiments that are not illustrated.
  • the principle of bending of the core 34 is applicable to any section of this core 34, oval, polygonal or other.
  • the shape of the section of the core can make it possible to favor bending planes of the core with respect to others, which can contribute to making the application of the cosmetic product more precise.
  • the housing 52 is, in the examples described, tubular, of substantially circular cross-section.
  • the cross section of the housing 52 can take any other shape, in particular a shape of ellipse, polygon, in particular square or diamond.
  • the invention can also be implemented for applicators other than mascara applicators, for example for eye shadow applicators, blushers, eyebrow applicators, product applicators on the lips.

Landscapes

  • Brushes (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Coating Apparatus (AREA)

Description

La présente invention se rapporte à un dispositif applicateur et à un dispositif de conditionnement et d'application d'un produit cosmétique sur des matières kératiniques, notamment des fibres kératiniques telles que des cils ou des sourcils. Le produit cosmétique est notamment un mascara.The present invention relates to an applicator device and to a device for packaging and applying a cosmetic product to keratin materials, in particular keratin fibers such as eyelashes or eyebrows. The cosmetic product is in particular a mascara.

La demande EP-A-1 935 279 décrit un exemple de dispositif applicateur pour appliquer un produit sur des fibres kératiniques. Ce dispositif applicateur comporte une tige, un organe d'application fixé à une extrémité de la tige et une âme rigide s'étendant dans le prolongement de la tige. L'âme est fixée à la tige ou réalisée de façon monolithique avec la tige. Le dispositif applicateur comporte encore une enveloppe externe avec une zone de fixation et une zone d'application. L'enveloppe externe définit une cavité intérieure dans laquelle est insérée l'âme. L'enveloppe externe est fixée à une extrémité de la tige par la zone de fixation et est libre relativement à l'âme, au moins sur une partie de la zone d'application. La zone de fixation de l'enveloppe externe est fixée à la tige et à l'âme de manière à être prise en sandwich entre la tige et l'âme. L'âme peut être flexible de manière à conférer de la souplesse à l'application du produit.Requirement EP-A-1 935 279 describes an example of an applicator device for applying a product to keratin fibres. This applicator device comprises a stem, an applicator member fixed to one end of the stem and a rigid core extending in the extension of the stem. The core is attached to the rod or made monolithically with the rod. The applicator device further comprises an outer casing with an attachment zone and an application zone. The outer shell defines an inner cavity into which the core is inserted. The outer casing is attached to one end of the upper by the attachment zone and is free relative to the core, at least over part of the application zone. The attachment zone of the outer shell is attached to the upper and to the core so as to be sandwiched between the upper and the core. The core may be flexible so as to provide flexibility in the application of the product.

Le montage proposé dans cette demande EP-A-1 935 279 est cependant complexe et peu robuste.The assembly proposed in this application EP-A-1 935 279 is however complex and weak.

La demande US-A-2008 107 470 décrit un dispositif applicateur avec un élément applicateur, une tige rigide et une pièce flexible entre l'élément applicateur et la tige rigide. L'élément applicateur comporte une âme torsadée rigide et des poils s'étendant transversalement. L'âme torsadée rigide de l'élément applicateur est fixée dans un logement de la pièce flexible, laquelle est fixée à son tour dans un logement formé à une extrémité de la tige. La pièce flexible est déformable élastiquement. Ce montage est également complexe et peu robuste.Requirement US-A-2008 107,470 describes an applicator device with an applicator element, a rigid rod and a flexible piece between the applicator element and the rigid rod. The applicator element comprises a rigid twisted core and transversely extending bristles. The rigid twisted core of the applicator element is fixed in a housing of the flexible part, which is in turn fixed in a housing formed at one end of the rod. The flexible part is elastically deformable. This assembly is also complex and not very robust.

La demande internationale WO-A-2013/034 638 décrit un dispositif sensiblement identique au dispositif applicateur de la demande US-A-2008 107 470 , visant à assurer la fixation de l'âme rigide de l'élément applicateur. À cet effet, selon un premier exemple, l'âme de l'élément applicateur est fixée dans un logement de la pièce flexible et maintenue en position par un élément de maintien entourant une partie de la pièce flexible. Selon un deuxième exemple, l'âme de l'élément applicateur est fixée dans un logement de l'élément de maintien, une partie de la pièce flexible étant surmoulée autour de l'élément de maintien.The international request WO-A-2013/034638 describes a device substantially identical to the applicator device of the application US-A-2008 107,470 , aimed at securing the rigid core of the applicator element. To this end, according to a first example, the core of the applicator element is fixed in a housing of the flexible part and held in position by a holding element surrounding a part of the flexible part. According to a second example, the core of the applicator element is fixed in a housing of the holding element, a part of the flexible part being molded around the holding element.

Le montage proposé dans cette dernière demande est cependant complexe et induit donc un coût de fabrication élevé.The assembly proposed in this last application is however complex and therefore induces a high manufacturing cost.

La demande européenne EP0811336 divulgue une brosse notamment pour appliquer du mascara comprenant une tige droite définissant un axe principal, une âme flexible, comportant une première et une deuxième extrémité, la première extrémité étant solidaire de cette tige, des poils implantés radialement dans cette âme, l'extrémité des poils définissant la surface de la brosse, cette surface comportant une première face, l'intersection de tout plan méridien passant par l'axe principal avec la surface de la brosse définissant deux lignes de crête ayant une courbure déterminée. Dans cette brosse, l'âme peut être courbe, les lignes de crêtes peuvent être convexes, et la première face sensiblement droite et parallèle à l'axe principal.European demand EP0811336 discloses a brush in particular for applying mascara comprising a straight rod defining a main axis, a flexible core, comprising a first and a second end, the first end being integral with this rod, bristles implanted radially in this core, the end of the bristles defining the surface of the brush, this surface comprising a first face, the intersection of any meridian plane passing through the main axis with the surface of the brush defining two ridge lines having a determined curvature. In this brush, the core may be curved, the ridge lines may be convex, and the first face substantially straight and parallel to the main axis.

Un but de l'invention est de proposer un dispositif applicateur ne présentant pas au moins certains inconvénients indiqués précédemment. Notamment, l'invention vise à fournir un dispositif applicateur comprenant un élément applicateur flexible, qui soit de conception simple et robuste. Avantageusement, le dispositif applicateur selon l'invention peut être utilisé pour appliquer tout type de produit cosmétique.An object of the invention is to provide an applicator device that does not have at least some of the drawbacks indicated above. In particular, the invention aims to provide an applicator device comprising a flexible applicator element, which is of simple and robust design. Advantageously, the applicator device according to the invention can be used to apply any type of cosmetic product.

À cette fin, l'invention propose un dispositif applicateur d'un produit cosmétique sur des matières kératiniques, notamment des fibres kératiniques telles que des cils ou des sourcils, comprenant :

  • une tige, la tige présentant une première et une deuxième extrémité, la tige s'étendant selon une direction longitudinale de la tige entre les première et deuxième extrémités de la tige, la tige étant rigide,
  • un organe de préhension, l'organe de préhension étant situé à la première extrémité de la tige,
  • un élément applicateur, au voisinage de la deuxième extrémité de la tige, l'élément applicateur définissant une direction longitudinale de l'élément applicateur au repos, l'élément applicateur ayant une portion d'application adaptée à appliquer du produit cosmétique,
  • une âme flexible, déformable élastiquement, l'âme reliant l'élément applicateur à la tige,
dans lequel :
  • l'âme comporte une portion libre s'étendant librement entre la tige et la portion d'application de l'élément applicateur, la portion libre de l'âme ayant une longueur d'au moins 2 mm, de préférence d'au moins 3 mm, de préférence encore d'au moins 5 mm, l'âme autorisant une flexion maximale de l'élément applicateur par rapport à la tige telle qu'un angle maximal de flexion entre la direction longitudinale de l'élément applicateur fléchi et la direction longitudinale de l'élément applicateur au repos est d'au moins 1°, voire d'au moins 2°, de préférence d'au moins 5°, de préférence encore d'au moins 10°, l'angle maximal de flexion étant de préférence d'au plus 30°, de préférence encore d'au plus 20°, et
  • la tige a un logement s'étendant selon la direction longitudinale de la tige entre un fond du logement et un débouché du logement au niveau de la deuxième extrémité de la tige, la portion d'application de l'élément applicateur faisant saillie hors du logement, l'âme s'étendant dans le logement avec un jeu transversal, l'angle maximal de flexion entre la direction longitudinale de l'élément applicateur fléchi et la direction longitudinale de l'élément applicateur au repos est défini par butée de l'un parmi l'élément applicateur et l'âme avec une paroi latérale du logement.
To this end, the invention proposes a device for applying a cosmetic product to keratin materials, in particular keratin fibers such as eyelashes or eyebrows, comprising:
  • a rod, the rod having a first and a second end, the rod extending in a longitudinal direction of the rod between the first and second ends of the rod, the rod being rigid,
  • a gripping member, the gripping member being located at the first end of the rod,
  • an applicator element, in the vicinity of the second end of the rod, the applicator element defining a longitudinal direction of the applicator element at rest, the applicator element having an application portion suitable for applying cosmetic product,
  • a flexible, elastically deformable core, the core connecting the applicator element to the stem,
in which :
  • the core comprises a free portion extending freely between the stem and the application portion of the applicator element, the free portion of the core having a length of at least 2 mm, preferably of at least 3 mm, more preferably at least 5 mm, the core allowing maximum flexion of the applicator element relative to the stem such as a maximum angle of flexion between the longitudinal direction of the bent applicator element and the direction longitudinal from the applicator element to the rest is at least 1°, or even at least 2°, preferably at least 5°, more preferably at least 10°, the maximum angle of flexion preferably being at most 30 °, more preferably by at most 20°, and
  • the rod has a housing extending along the longitudinal direction of the rod between a bottom of the housing and an opening of the housing at the level of the second end of the rod, the application portion of the applicator element projecting out of the housing , the core extending in the housing with a transverse clearance, the maximum angle of flexion between the longitudinal direction of the applicator element bent and the longitudinal direction of the applicator element at rest is defined by abutment of one among the applicator element and the core with a side wall of the housing.

Ainsi, avantageusement, le dispositif applicateur selon l'invention présente un élément applicateur flexible améliorant le confort d'utilisation, sans perte de précision de cette application.Thus, advantageously, the applicator device according to the invention has a flexible applicator element improving the comfort of use, without loss of precision of this application.

En outre, le dispositif applicateur selon l'invention est de conception plus simple. Le dispositif applicateur peut notamment présenter des dimensions sensiblement identiques à celles des dispositifs applicateurs connus. Ainsi, il n'est pas nécessaire de prévoir un récipient de produit cosmétique de forme spécialement adaptée, un récipient connu pouvant être utilisé. Le dispositif applicateur n'induit ainsi aucun surcoût de conditionnement et/ou de son procédé d'assemblage.Furthermore, the applicator device according to the invention is of simpler design. The applicator device may in particular have dimensions substantially identical to those of known applicator devices. Thus, it is not necessary to provide a cosmetic product container of specially adapted shape, a known container being able to be used. The applicator device thus does not induce any additional cost of packaging and/or of its assembly method.

La solution proposée s'affranchit également de toutes contraintes de choix de matériaux de l'élément applicateur, en fonction du produit à appliquer.The proposed solution also overcomes all constraints of choice of materials for the applicator element, depending on the product to be applied.

Selon des modes de réalisation préférés, le dispositif applicateur selon l'invention comporte une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison :

  • l'âme a une section transversale, la section transversale de l'âme a un diamètre, la tige a une section transversale, la section transversale de la tige a un diamètre, le diamètre de la section transversale de l'âme étant inférieur ou égal, de préférence strictement inférieur, au diamètre de la section transversale de la tige ;
  • l'âme est fixée dans un trou débouchant au niveau du fond du logement, l'âme étant de préférence serrée dans le trou ;
  • le logement est tubulaire, le logement ayant une longueur, mesurée entre le fond du logement et le débouché du logement, et un diamètre, mesurée dans un plan transversal à la longueur, la longueur du logement étant de préférence comprise entre 2 et 10 mm et/ou le diamètre du logement étant de préférence compris entre 1 et 5 mm ;
  • le logement est tronconique, le logement ayant une longueur et un diamètre maximal, mesuré dans un plan transversal à la longueur, à l'extrémité de la tige, la longueur du logement étant de préférence comprise entre 2 et 10 mm et/ou le diamètre maximal du logement étant de préférence compris entre 1 et 5 mm ;
  • l'âme comporte, de préférence consiste, en un fil torsadé, la portion d'application étant formée par des touffes de poils enserrées par le fil torsadé ;
  • l'âme s'étend selon une direction longitudinale de l'élément applicateur au repos et les touffes de poils s'étendent transversalement à la direction longitudinale de l'élément applicateur au repos ;
  • les touffes de poils ont une position longitudinale sur l'âme et une longueur mesurée transversalement à la direction longitudinale de l'élément applicateur, la longueur des touffes de poils étant fonction de la position longitudinale sur l'âme, la longueur des touffes de poils étant notamment une fonction décroissante sur au moins une portion de l'âme, située hors du logement et du trou, le cas échéant ;
  • l'âme a une portion empoilée, de préférence reçue dans le logement, ladite portion empoilée étant distincte de la portion d'application de l'élément applicateur, ladite portion empoilée présentant notamment des touffes de poils de longueur inférieur aux touffes de poils de la portion d'application, de préférence encore de longueur telle qu'un jeu est maintenu entre les touffes de poils de la portion empoilée et la ou les parois du logement dans la tige ;
  • le fil a un diamètre supérieur ou égal à 0,3 mm, de préférence supérieur ou égal à 0,4 mm, et/ou inférieur ou égal à 0,7 mm, de préférence inférieur ou égal à 0,6 mm ;
  • l'élément applicateur a une portion d'application munie de picots et/ou floquée ;
  • l'élément applicateur a une portion de base contigüe à la portion d'application, de préférence venue de matière avec la portion d'application, la portion de base étant de préférence reçue dans le logement, de préférence encore avec un jeu transversal ;
  • l'élément applicateur, notamment la portion d'application, est en matériau souple, notamment en matériau plastique ;
  • l'âme est venue de matière avec la tige ;
  • l'âme est venue de matière avec l'élément applicateur ;
  • l'âme est distincte de la tige et de l'élément applicateur ;
  • l'âme a un diamètre supérieur à 0,3 mm, de préférence supérieur à 0,4 mm ; et
  • l'âme a un diamètre inférieur à 2,5 mm, de préférence inférieur à 1,5 mm, de préférence encore inférieur à 0,7 mm, de manière plus préférée inférieur ou égal à 0,6 mm.
According to preferred embodiments, the applicator device according to the invention comprises one or more of the following characteristics, taken alone or in combination:
  • the web has a cross section, the cross section of the web has a diameter, the rod has a cross section, the cross section of the rod has a diameter, the diameter of the cross section of the web being less than or equal , preferably strictly less than the diameter of the cross section of the rod;
  • the core is fixed in a hole opening at the bottom of the housing, the core being preferably clamped in the hole;
  • the housing is tubular, the housing having a length, measured between the bottom of the housing and the outlet of the housing, and a diameter, measured in a plane transverse to the length, the length of the housing preferably being between 2 and 10 mm and/or the diameter of the housing preferably being between 1 and 5 mm;
  • the housing is frustoconical, the housing having a length and a maximum diameter, measured in a plane transverse to the length, at the end of the rod, the length of the housing being preferably between 2 and 10 mm and/or the diameter maximum of the housing preferably being between 1 and 5 mm;
  • the core comprises, preferably consists, of a twisted yarn, the application portion being formed by tufts of bristles enclosed by the twisted yarn;
  • the core extends in a longitudinal direction of the applicator element at rest and the tufts of bristles extend transversely to the longitudinal direction of the applicator element at rest;
  • the bristle tufts have a longitudinal position on the core and a length measured transversely to the longitudinal direction of the applicator element, the length of the bristle tufts being a function of the longitudinal position on the core, the length of the bristle tufts being in particular a decreasing function on at least a portion of the core, located outside the housing and the hole, if applicable;
  • the core has a bristle portion, preferably received in the housing, said bristle portion being distinct from the application portion of the applicator element, said bristle portion in particular having tufts of bristles of shorter length than the tufts of bristles of the application portion, more preferably of a length such that a clearance is maintained between the tufts of bristles of the bristle portion and the wall(s) of the housing in the upper;
  • the wire has a diameter greater than or equal to 0.3 mm, preferably greater than or equal to 0.4 mm, and/or less than or equal to 0.7 mm, preferably less than or equal to 0.6 mm;
  • the applicator element has an application portion provided with spikes and/or flocked;
  • the applicator element has a base portion contiguous to the application portion, preferably integral with the application portion, the base portion being preferably received in the housing, more preferably with a transverse clearance;
  • the applicator element, in particular the application portion, is made of a flexible material, in particular a plastic material;
  • the soul came from matter with the stem;
  • the core is integral with the applicator element;
  • the core is separate from the stem and from the applicator element;
  • the core has a diameter greater than 0.3 mm, preferably greater than 0.4 mm; And
  • the core has a diameter of less than 2.5 mm, preferably less than 1.5 mm, more preferably less than 0.7 mm, more preferably less than or equal to 0.6 mm.

L'invention se rapporte également à un dispositif de conditionnement et d'application d'un produit cosmétique à appliquer sur des matières kératiniques, notamment des fibres kératiniques telles que des cils ou des sourcils, comportant un dispositif applicateur tel que décrit ci-avant dans toutes ses combinaisons, et un récipient destiné à contenir le produit à appliquer, le dispositif applicateur étant apte à être fixé sur le récipient de manière que l'élément applicateur soit reçu à l'intérieur du récipient, au contact du produit cosmétique.The invention also relates to a device for packaging and applying a cosmetic product to be applied to keratin materials, in particular keratin fibers such as eyelashes or eyebrows, comprising an applicator device as described above in all its combinations, and a container intended to contain the product to be applied, the applicator device being able to be fixed on the container so that the applicator element is received inside the container, in contact with the cosmetic product.

De manière préférée, le récipient a une ouverture et l'organe de préhension est adapté à être fixé sur le récipient pour obturer l'ouverture du récipient.Preferably, the container has an opening and the gripping member is adapted to be fixed on the container to close the opening of the container.

De préférence, l'organe de préhension a une jupe taraudée, le récipient a un col fileté, la jupe taraudée de l'organe de préhension étant apte à être vissée sur le col fileté du récipient.Preferably, the gripping member has a threaded skirt, the container has a threaded neck, the threaded skirt of the gripping member being capable of being screwed onto the threaded neck of the container.

L'invention sera mieux comprise de la description qui suit, faite au regard des dessins ci-annexés, parmi lesquels :

  • la figure 1 est une vue partiellement arrachée d'un dispositif de conditionnement et d'application d'un produit cosmétique avec un dispositif applicateur de mascara ;
  • la figure 2 représente schématiquement en coupe longitudinale une extrémité d'un exemple, non-revendiqué, de dispositif applicateur de produit cosmétique pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1 ;
  • la figure 3 est une vue analogue à la figure 2 montrant la flexion de l'élément applicateur par rapport à la tige ;
  • les figures 4 et 5 sont des vues analogues aux figures 2 et 3, d'un premier exemple de dispositif applicateur de produit cosmétique selon l'invention pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1 ;
  • les figures 6 et 7 sont des vues analogues aux figures 2 et 3, d'un deuxième exemple de dispositif applicateur de produit cosmétique selon l'invention pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1 ; et
  • la figure 8 représente partiellement en coupe longitudinale, un troisième exemple de dispositif applicateur de produit cosmétique selon l'invention pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1 ;
  • les figures 9 et 10 représentent partiellement en coupe longitudinale, un quatrième exemple de dispositif applicateur de produit cosmétique selon l'invention pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1, respectivement au repos et en position d'application de produit cosmétique ;
  • les figures 11 et 12 représentent partiellement en coupe longitudinale, un cinquième exemple de dispositif applicateur de produit cosmétique selon l'invention pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1, respectivement au repos et en position d'application de produit cosmétique ; et
  • les figures 13 et 14 sont des vues analogues aux figures 6 et 7, d'une variante du deuxième exemple de dispositif applicateur de produit cosmétique pouvant être mis en oeuvre dans le dispositif de conditionnement et d'application de la figure 1.
The invention will be better understood from the description which follows, made with regard to the attached drawings, among which:
  • there figure 1 is a partially cut-away view of a device for packaging and applying a cosmetic product with a mascara applicator device;
  • there picture 2 schematically shows in longitudinal section one end of an example, not claimed, of a cosmetic product applicator device that can be used in the device for packaging and applying the figure 1 ;
  • there picture 3 is a view analogous to figure 2 showing the bending of the applicator element relative to the stem;
  • THE figures 4 and 5 are views analogous to figure 2 And 3 , of a first example of a cosmetic product applicator device according to the invention that can be used in the device for packaging and applying the figure 1 ;
  • THE figures 6 and 7 are views analogous to figure 2 And 3 , of a second example of a cosmetic product applicator device according to the invention that can be used in the device for packaging and applying the figure 1 ; And
  • there figure 8 shows partially in longitudinal section, a third example of a cosmetic product applicator device according to the invention that can be used in the device for packaging and applying the figure 1 ;
  • THE figure 9 And 10 show partially in longitudinal section, a fourth example of a cosmetic product applicator device according to the invention that can be used in the device for packaging and applying the figure 1 , respectively at rest and in the cosmetic product application position;
  • THE figure 11 And 12 show partially in longitudinal section, a fifth example of a cosmetic product applicator device according to the invention that can be used in the device for packaging and applying the figure 1 , respectively at rest and in the cosmetic product application position; And
  • THE figures 13 and 14 are views analogous to figures 6 and 7 , of a variant of the second example of a cosmetic product applicator device that can be used in the device for packaging and applying the figure 1 .

Dans la suite de la description, les éléments identiques ou de fonction identique portent le même signe de référence. À fin de concision de la présente description, ces éléments ne sont pas décrits dans le cadre de chaque mode de réalisation. Au contraire, seules les différences entre les modes de réalisation sont décrites.In the rest of the description, identical elements or identical functions bear the same reference sign. For the purpose of conciseness of this description, these elements are not described within the framework of each embodiment. On the contrary, only the differences between the embodiments are described.

La figure 1 illustre un dispositif 10 de conditionnement et d'application d'un produit cosmétique 12 à appliquer sur des fibres kératiniques, notamment des cils ou des sourcils. Le produit cosmétique 12 est par exemple du mascara.There figure 1 illustrates a device 10 for packaging and applying a cosmetic product 12 to be applied to keratin fibres, in particular the eyelashes or eyebrows. The cosmetic product 12 is for example mascara.

Ce dispositif de conditionnement et d'application 10 comporte essentiellement un récipient 14 contenant le produit cosmétique 12 à appliquer et un dispositif applicateur 16. Le dispositif applicateur 16 comporte une tige 18, présentant une première 18a et une deuxième extrémité 18b. La tige 18 s'étend selon une direction longitudinale X0 entre la première extrémité 18a et la deuxième extrémité 18b de la tige 18. Sur la figure 1, la direction longitudinale X0 de la tige est commune à la direction longitudinale X du récipient 14, d'un organe de préhension 20 du dispositif applicateur 16, et à la direction longitudinale X1 d'un élément applicateur 22 du dispositif applicateur 16 dans la position dans laquelle cet élément applicateur 22 est représenté. La position représentée à la figure 1 de l'élément applicateur 22 est une position dite « au repos », position dans laquelle l'élément applicateur n'est pas mis en oeuvre pour appliquer un produit cosmétique sur une matière kératinique. L'organe de préhension 20 est fixé au niveau de la première extrémité 18a de la tige 18. L'élément applicateur 22 est monté au niveau de la deuxième extrémité 18b de la tige 18, c'est-à-dire au voisinage de cette deuxième extrémité 18b de la tige 18. Ici, l'organe de préhension 20 est sensiblement cylindrique. La section transversale de l'organe de préhension 20 peut notamment être ovale, ronde ou polygonale, par exemple triangulaire, carrée ou rectangulaire. L'organe de préhension 20 permet, outre la préhension du dispositif applicateur 16, la fixation de ce dispositif applicateur 16 sur le récipient 14. Pour ce faire, le récipient 14, par exemple de forme tubulaire d'axe X, présente au niveau d'un goulot 24 adapté à permettre le passage de l'élément applicateur 22 et de la tige 18, un col fileté 26. L'organe de préhension 20 est lui muni d'une jupe taraudée 27, adaptée à être vissée sur le col fileté 26. Cette fixation permet ainsi également d'obturer le goulot 24. Dans cette position de l'organe de préhension 20 sur le récipient 14, la tige 18 permet que l'élément applicateur 22 soit reçu dans le produit cosmétique 12, permettant ainsi d'en extraire une partie lors du retrait du dispositif d'application 16.This packaging and application device 10 essentially comprises a container 14 containing the cosmetic product 12 to be applied and an applicator device 16. The applicator device 16 comprises a stem 18, having a first 18a and a second end 18b. The rod 18 extends in a longitudinal direction X 0 between the first end 18a and the second end 18b of the rod 18. On the figure 1 , the longitudinal direction X 0 of the rod is common to the longitudinal direction X of the container 14, of a gripping member 20 of the applicator device 16, and to the longitudinal direction X 1 of an applicator element 22 of the applicator device 16 in the position in which this applicator element 22 is shown. The position depicted in figure 1 of the applicator element 22 is a so-called “at rest” position, a position in which the applicator element is not used to apply a cosmetic product to a keratin material. The gripping member 20 is fixed at the level of the first end 18a of the rod 18. The applicator element 22 is mounted at the level of the second end 18b of the rod 18, that is to say in the vicinity of this second end 18b of rod 18. Here, gripping member 20 is substantially cylindrical. The cross section of the gripping member 20 can in particular be oval, round or polygonal, for example triangular, square or rectangular. The gripping member 20 allows, in addition to the gripping of the applicator device 16, the attachment of this applicator device 16 to the container 14. To do this, the container 14, for example of tubular shape with an axis X, has at the level of a neck 24 adapted to allow the passage of the applicator element 22 and the stem 18, a threaded neck 26. The gripping member 20 is provided with a threaded skirt 27, adapted to be screwed onto the threaded neck 26. This attachment thus also makes it possible to close the neck 24. In this position of the gripping member 20 on the container 14, the rod 18 allows the applicator element 22 to be received in the cosmetic product 12, thus allowing extract part of it when removing the application device 16.

Dans l'exemple illustré, le récipient 14 comprend également, dans le goulot 24, une bague d'essorage 28, montée ici serrée dans le goulot 24. Cette bague d'essorage 28 est destinée à venir en contact de l'élément applicateur 22 lorsque celui-ci est retiré de l'intérieur du récipient 14, pour éliminer le surplus de produit cosmétique 12 dont l'élément applicateur 22 pourrait être imbibé ou recouvert.In the example illustrated, the container 14 also comprises, in the neck 24, a wiper ring 28, mounted here tightly in the neck 24. This wiper ring 28 is intended to come into contact with the applicator element 22 when it is removed from inside the container 14, to eliminate the surplus of cosmetic product 12 with which the applicator element 22 could be soaked or covered.

Cette bague d'essorage 28 est cependant facultative. De même, le mode de fixation du dispositif applicateur 16 par vissage de l'organe de préhension 20 sur un col fileté 26 du récipient 14 n'est qu'un exemple parmi d'autres modes de réalisation envisageables par l'homme du métier.This wiper ring 28 is however optional. Similarly, the method of fixing the applicator device 16 by screwing the gripping member 20 onto a threaded neck 26 of the container 14 is only one example among other embodiments that can be envisaged by those skilled in the art.

Cependant, les figures 2 et 3 illustrent en coupe longitudinale, un détail de la deuxième extrémité 18b de la tige 18, au niveau de laquelle est fixé l'élément applicateur 22.However, the figure 2 And 3 illustrate in longitudinal section, a detail of the second end 18b of the rod 18, at which the applicator element 22 is fixed.

Comme illustré à la figure 2, l'élément applicateur 22 est un applicateur moulé et présente une portion d'application 30, destinée à permettre l'application du produit cosmétique 12 sur les fibres kératiniques. L'élément applicateur 22 est par exemple en plastique, ou en tout autre matériau permettant d'obtenir un élément applicateur 22 plus souple ou plus rigide par rapport à la tige 18.As shown in figure 2 , the applicator element 22 is a molded applicator and has an application portion 30, intended to allow the application of the cosmetic product 12 to the keratin fibers. The applicator element 22 is for example made of plastic, or of any other material making it possible to obtain an applicator element 22 that is more flexible or more rigid with respect to the stem 18.

La portion d'application 30 peut avoir toute forme souhaitée, permettant une application satisfaisante de produit cosmétique, notamment de mascara. Ici, par exemple, la portion d'application 30 définit trois zones contigües :

  • une première zone 30a, la plus proche de la première extrémité 18a de la tige 18, de forme tronconique, avec la plus petite base orientée vers cette première extrémité 18a de la tige 18, le diamètre de cette plus petite base étant noté d30 ;
  • une deuxième zone 30b, la plus éloignée de la première extrémité 18a de la tige 18, de forme tronconique, sensiblement identique à celle de la première zone 30a, mais avec la plus petite base orientée à l'opposé de la première extrémité 18a de la tige 18, c'est-à-dire vers l'extrémité libre 22e de l'élément applicateur 22 ; et
  • une troisième zone 30c, s'étendant entre les première et deuxième zones 30a, 30b, la troisième zone 30c étant ici sensiblement cylindrique, de diamètre D30.
The application portion 30 can have any desired shape, allowing satisfactory application of a cosmetic product, in particular of mascara. Here, for example, the application portion 30 defines three contiguous zones:
  • a first zone 30a, closest to the first end 18a of the rod 18, of frustoconical shape, with the smaller base oriented towards this first end 18a of the rod 18, the diameter of this smaller base being denoted d 30 ;
  • a second zone 30b, furthest from the first end 18a of the rod 18, of frustoconical shape, substantially identical to that of the first zone 30a, but with the smaller base oriented away from the first end 18a of the rod 18, that is to say towards the free end 22 of the applicator element 22; And
  • a third zone 30c, extending between the first and second zones 30a, 30b, the third zone 30c here being substantially cylindrical, of diameter D 30 .

Les première, deuxième et troisième zones 30a, 30b, 30c peuvent notamment être munies de picots - non visibles sur les figures 2 et 3 - pour permettre une application satisfaisante de produit cosmétique.The first, second and third zones 30a, 30b, 30c can in particular be provided with pins - not visible on the figure 2 And 3 - to allow a satisfactory application of cosmetic product.

De manière remarquable, l'élément applicateur 22 est ici fixé au niveau de la deuxième extrémité 18b de la tige 18 au moyen d'une âme 34 flexible, déformable élastiquement pour permettre la flexion de l'élément applicateur 22 par rapport à la tige 18. Plus précisément, ici, l'élément applicateur 22 est surmoulé sur l'âme 34.Remarkably, the applicator element 22 is here fixed at the level of the second end 18b of the rod 18 by means of a flexible, deformable core 34 elastically to allow the bending of the applicator element 22 relative to the rod 18. More specifically, here, the applicator element 22 is molded onto the core 34.

Selon l'exemple des figures 2 et 3, cette âme 34 est venue de matière avec la tige 18. En d'autres termes, l'âme 34 et la tige 18 forment une seule pièce. Cependant, le diamètre d18 de la tige 18 est choisi supérieur au diamètre d34 de l'âme 34 afin que l'âme 34 soit flexible par rapport à la tige 18, rigide. Plus précisément, l'âme 34 flexible a une section transversale, la section transversale de l'âme flexible a un diamètre d34 ; la tige 18 a une section transversale, la section transversale de la tige 18 a un diamètre d18 ; et le diamètre d34 de la section transversale de l'âme 34 flexible est inférieur ou égal, de préférence strictement inférieur, au diamètre d18 de la section transversale de la tige 18. Notamment, le diamètre d18 de la tige 18 peut être au moins deux fois supérieur au diamètre d34 de l'âme 34, de préférence au moins cinq fois supérieur. La tige 18 présente ainsi un épaulement 19 depuis lequel s'étend l'âme 34.According to the example of figure 2 And 3 , this core 34 is made in one piece with the rod 18. In other words, the core 34 and the rod 18 form a single piece. However, the diameter d 18 of the rod 18 is chosen greater than the diameter d 34 of the core 34 so that the core 34 is flexible with respect to the rod 18, which is rigid. More specifically, the flexible core 34 has a cross section, the cross section of the flexible core has a diameter d 34 ; the rod 18 has a cross section, the cross section of the rod 18 has a diameter d 18 ; and the diameter d 34 of the cross section of the flexible core 34 is less than or equal, preferably strictly less, than the diameter d 18 of the cross section of the rod 18. In particular, the diameter d 18 of the rod 18 can be at least twice greater than the diameter d 34 of the core 34, preferably at least five times greater. The rod 18 thus has a shoulder 19 from which the core 34 extends.

La tige 18 et l'âme 34 sont, par exemple et de manière non limitative, réalisés en copolyester, polyéthylène (PE), polypropylène (PP) ou en polyoxyméthylène (POM).The rod 18 and the core 34 are, for example and in a non-limiting manner, made of copolyester, polyethylene (PE), polypropylene (PP) or polyoxymethylene (POM).

Le diamètre d34 de l'âme 34 flexible est par exemple supérieur à 0,3 mm, de préférence supérieur à 0,4 mm. Ce diamètre d34 peut également ou en variante être inférieur à 2,5 mm, de préférence inférieur à 1,5 mm, de préférence encore inférieur à 0,7 mm, de manière plus préférée inférieur ou égal à 0,6 mm. Notamment le diamètre d34 de l'âme 34 est égal à 0,5 mm.The diameter d 34 of the flexible core 34 is for example greater than 0.3 mm, preferably greater than 0.4 mm. This diameter d 34 can also or alternatively be less than 2.5 mm, preferably less than 1.5 mm, more preferably less than 0.7 mm, more preferably less than or equal to 0.6 mm. In particular the diameter d 34 of the core 34 is equal to 0.5 mm.

L'âme 34 s'étend depuis l'épaulement 19 de la tige 18 jusqu'à la deuxième extrémité 18b de cette même tige 18. En outre, l'âme 34 s'étend librement sur une longueur L mesurée entre l'épaulement 19 de la tige 18 et la portion d'application 30 de l'élément applicateur 22.The core 34 extends from the shoulder 19 of the rod 18 to the second end 18b of this same rod 18. In addition, the core 34 extends freely over a length L measured between the shoulder 19 of the stem 18 and the application portion 30 of the applicator element 22.

La longueur L sur laquelle l'âme 34 s'étend librement, est d'au moins 2 mm, voire d'au moins 3 mm, de préférence d'au moins 5 mm. En outre, l'âme 34 est conformée pour autoriser une flexion maximale de l'élément applicateur 22 par rapport à la tige 18, par déformation élastique de l'âme 34, telle, qu'un angle maximal α de flexion entre la direction longitudinale X1 de l'élément applicateur au repos et la direction longitudinale X2 de l'élément applicateur 22 fléchi, mesuré dans un plan longitudinal du dispositif applicateur 16 incluant la direction longitudinale X1 de la tige 18 et la direction longitudinale X2 de l'élément applicateur 22, est d'au moins 1°, voire d'au moins 2°, voire d'au moins 5°, voire encore d'au moins 10°. Ici, dans la position au repos, l'élément applicateur 22 est soumis uniquement à son poids et à la réaction de l'âme 34. En position fléchie, une force extérieure supplémentaire est appliquée sur l'élément applicateur, par exemple par la matière kératinique sur laquelle le produit cosmétique est appliqué.The length L over which the core 34 extends freely is at least 2 mm, or even at least 3 mm, preferably at least 5 mm. In addition, the core 34 is shaped to allow maximum bending of the applicator element 22 relative to the rod 18, by elastic deformation of the core 34, such that a maximum angle α of bending between the longitudinal direction X 1 of the applicator element at rest and the longitudinal direction X 2 of the applicator element 22 flexed, measured in a longitudinal plane of the applicator device 16 including the longitudinal direction X 1 of the stem 18 and the longitudinal direction X 2 of the applicator element 22, is at least 1°, or even of at least 2°, or even of at least 5°, or even of at least 10°. Here, in the position at rest, the applicator element 22 is subjected solely to its weight and to the reaction of the core 34. In the bent position, an additional external force is applied to the applicator element, for example by the material keratin on which the cosmetic product is applied.

Ainsi, l'âme 34 permet un déplacement relatif de l'élément applicateur 22 par rapport à la tige 18. Il est à noter ici que l'âme 34 étant plus flexible que la tige 18, rigide, c'est l'âme 34 qui se déforme et non la tige 18, en cas d'application d'un effort sur l'élément applicateur 22. Cette déformation permet de compenser une pression trop importante sur l'élément applicateur 22, pression qui pourrait être douloureuse sans cette déformation. Cette déformation induit ainsi un plus grand confort d'application. En outre, cette déformation permet aussi d'utiliser un élément applicateur 22 dont les picots sont plus rigides, la rigidité des picots étant particulièrement intéressante pour peigner les cils ou les sourcils sur lesquels le produit cosmétique est appliqué.Thus, the core 34 allows a relative movement of the applicator element 22 with respect to the rod 18. It should be noted here that the core 34 being more flexible than the rigid rod 18, it is the core 34 which deforms and not the stem 18, in the event of application of a force to the applicator element 22. This deformation makes it possible to compensate for excessive pressure on the applicator element 22, pressure which could be painful without this deformation. This deformation thus induces greater comfort of application. In addition, this deformation also makes it possible to use an applicator element 22 whose spikes are more rigid, the rigidity of the spikes being particularly advantageous for combing the eyelashes or the eyebrows on which the cosmetic product is applied.

La flexion maximale entre l'élément applicateur 22 et la tige 18, obtenue par déformation élastique de l'âme 34, est limitée. L'angle maximal α de flexion de l'élément applicateur 22, obtenue par déformation élastique de l'âme 34, est d'au plus 30°, de préférence d'au plus 20°. Un angle maximal de flexion α trop grand peut en effet nuire à la précision du maquillage. Un angle maximal de flexion α trop grand peut également induire une pression nécessaire à l'application, très importante rendant l'opération de maquillage délicate.The maximum bending between the applicator element 22 and the stem 18, obtained by elastic deformation of the core 34, is limited. The maximum bending angle α of the applicator element 22, obtained by elastic deformation of the core 34, is at most 30°, preferably at most 20°. Too great a maximum angle of flexion α can in fact impair the precision of the make-up. Too great a maximum angle of flexion α can also induce a pressure necessary for the application, which is very high, making the makeup operation tricky.

Le premier exemple 50 de dispositif applicateur selon l'invention représenté aux figures 4 et 5 se distingue de l'exemple 16 par trois points principaux.The first example 50 of an applicator device according to the invention shown in figures 4 and 5 differs from example 16 in three main points.

Tout d'abord, dans cet exemple 50, l'âme 34 n'est pas venue de matière avec la tige 18, mais avec l'élément applicateur 22. Le montage du dispositif applicateur 50 peut alors être réalisé en deux temps : on réalise d'abord l'élément applicateur 22 avec l'âme 34, puis on fixe le tout sur la tige 18.First of all, in this example 50, the core 34 is not made in one piece with the rod 18, but with the applicator element 22. The assembly of the applicator device 50 can then be carried out in two stages: first the applicator element 22 with the core 34, then the whole thing is fixed on the stem 18.

En outre, tel qu'illustré sur les figures, l'élément applicateur 22 comprend, outre la portion d'application 30, une base 32. Cette base 32, telle qu'illustrée, a une forme sensiblement cylindrique. La base 32 peut notamment être de section ronde, de diamètre d32 inférieur au diamètre d30 de la plus petite base de la première zone 30a de la portion d'application 30. Ainsi, la surface cylindrique de la base 32 est en retrait par rapport à la surface de la portion d'application 30, de sorte que la base 32 ne peut pas être en contact avec la matière kératinique sur laquelle le produit cosmétique est à appliquer. On évite ainsi que la base 32 soit mise en oeuvre pour appliquer le produit cosmétique, ce qui nuirait à la précision de l'application du produit cosmétique. La base 32 est ainsi distincte de la portion d'application 30 de l'élément applicateur 22.Furthermore, as illustrated in the figures, the applicator element 22 comprises, in addition to the application portion 30, a base 32. This base 32, as illustrated, has a substantially cylindrical shape. The base 32 may in particular be of round section, with a diameter d 32 less than the diameter d 30 of the smallest base of the first zone 30a of the application portion 30. Thus, the cylindrical surface of the base 32 is recessed by relation to the surface of the application portion 30, so that the base 32 cannot be in contact with the keratin material on which the cosmetic product is to be applied. This prevents the base 32 from being used to apply the cosmetic product, which would harm the precision of the application of the cosmetic product. The base 32 is thus separate from the application portion 30 of the applicator element 22.

Selon l'exemple des figures 4 et 5, le diamètre d32 de la base 32 est par exemple au moins deux fois plus petit que le diamètre d30 de la plus petite base de la première zone 30a. Le diamètre maximum D30 de la portion d'application 30 est par exemple égale ou supérieure au diamètre d32 de la base 32, par exemple au moins deux voire trois fois plus grand que le diamètre d32 de la base 32. En outre la longueur de la portion d'application 30 de l'élément applicateur 22 est égale ou supérieure à la longueur ℓ32 de la base 32, de préférence au moins deux fois plus grande, de préférence encore au moins cinq fois plus grande que la longueur de la base 32, ces longueurs étant mesurées selon la direction longitudinale X1 de l'élément applicateur 22 au repos.According to the example of figures 4 and 5 , the diameter d 32 of the base 32 is for example at least twice smaller than the diameter d 30 of the smallest base of the first zone 30a. The maximum diameter D 30 of the application portion 30 is for example equal to or greater than the diameter d 32 of the base 32, for example at least two or even three times greater than the diameter d 32 of the base 32. length of the application portion 30 of the applicator element 22 is equal to or greater than the length ℓ 32 of the base 32, preferably at least twice as great, more preferably at least five times greater than the length of the base 32, these lengths being measured along the longitudinal direction X 1 of the applicator element 22 at rest.

Enfin, la tige 18 forme un logement 52. Le logement 52 est sensiblement tubulaire. Le logement 52 s'étend selon la direction longitudinale X0 de la tige 18 entre un fond 54 du logement 52 et un débouché 56 du logement 52 au niveau de la deuxième extrémité 18 de la tige 18. Le logement 52 a une longueur, mesurée entre le fond 54 du logement 52 et le débouché 56 du logement 52. La longueur du logement 52 est par exemple comprise entre 2 et 10 mm, de préférence égale à 4 mm. Le logement 52 a également un diamètre d52, mesurée dans un plan transversal à la longueur du logement 52. Le diamètre d52 du logement 52 est de préférence compris entre 1 et 3 mm, de préférence égal à 2,5 mm. Dans l'exemple illustré, la base 32 de l'élément applicateur 22 est entièrement reçue dans le logement 52, rendant la base 32 inaccessible depuis l'extérieur du logement 52. Ainsi, la base 32 ne peut pas être mise en oeuvre pour appliquer du produit cosmétique sur de la matière kératinique d'un utilisateur, de sorte que la base 32 est distincte de la portion d'application 30 de l'élément applicateur.Finally, the rod 18 forms a housing 52. The housing 52 is substantially tubular. The housing 52 extends along the longitudinal direction X 0 of the rod 18 between a bottom 54 of the housing 52 and an outlet 56 of the housing 52 at the level of the second end 18 of the rod 18. The housing 52 has a length, measured between the bottom 54 of the housing 52 and the outlet 56 of the housing 52. The length of the housing 52 is for example between 2 and 10 mm, preferably equal to 4 mm. Housing 52 also has a diameter d 52 , measured in a plane transverse to the length of housing 52. Diameter d 52 of housing 52 is preferably between 1 and 3 mm, preferably equal to 2.5 mm. In the example illustrated, the base 32 of the applicator element 22 is entirely received in the housing 52, making the base 32 inaccessible from outside the housing 52. Thus, the base 32 cannot be used to apply of the cosmetic product on the keratin material of a user, so that the base 32 is separate from the application portion 30 of the applicator element.

Un trou 58 est réalisé dans la tige 18, coaxial avec la tige 18. Le trou 58 débouche au niveau du fond 54 du logement 52. Conformément aux connaissances de l'homme du métier, le diamètre du trou 58 est égal voire sensiblement inférieur au diamètre de l'âme 34, afin de pouvoir monter l'âme 34 serrée dans le trou 58. On peut ainsi fixer de manière simple et efficace l'âme 34, et donc l'élément applicateur 22, sur la tige 18. Bien entendu, d'autres techniques d'assemblage connues de l'homme du métier peuvent également être mises en oeuvre.A hole 58 is made in the rod 18, coaxial with the rod 18. The hole 58 opens at the level of the bottom 54 of the housing 52. In accordance with the knowledge of those skilled in the art, the diameter of the hole 58 is equal to or even substantially less than the diameter of the core 34, in order to be able to mount the core 34 clamped in the hole 58. It is thus possible to fix the core 34, and therefore the applicator element 22, in a simple and effective manner, on the rod 18. Of course, other assembly techniques known to those skilled in the art can also be implemented.

La longueur du trou est par exemple comprise entre 4 et 10 mm, et de préférence égale à 6 mm. L'âme 34 reçue serrée dans le trou 58, la portion d'application 30 de l'élément applicateur 22 fait saillie hors du logement 52. En outre, un jeu transversal est maintenu entre l'âme 34 et la paroi latérale 60 du logement 52. Un jeu transversal est également maintenu entre la base 32 de l'élément applicateur, reçu dans le logement 52, et la paroi latérale 60 du logement 52. Ainsi, l'élément applicateur 22 est apte à être déplacé en flexion par rapport à la tige 18.The length of the hole is for example between 4 and 10 mm, and preferably equal to 6 mm. The core 34 received tight in the hole 58, the application portion 30 of the applicator element 22 projects out of the housing 52. In addition, a transverse clearance is maintained between the core 34 and the side wall 60 of the housing. 52. A transverse play is also maintained between the base 32 of the applicator element, received in the housing 52, and the side wall 60 of the housing 52. Thus, the applicator element 22 is capable of being moved in bending relative to rod 18.

Il est à noter ici que la portion de l'âme 34 reçue serrée dans le trou 58 n'est pas considérée comme s'étendant librement. La longueur L de l'âme 34 s'étendant librement dans ce deuxième exemple 50 comporte ainsi la longueur de l'âme 34 traversant le logement 52 entre le fond 54 de celui-ci jusqu'à la base 32 de l'élément applicateur, et la longueur ℓ32 de la base 32, qui peut, dans ce cas de figure être considérée comme une portion de l'âme 34, puisqu'elle ne fait pas partie de la portion d'application 30 de l'élément applicateur 22. Cette longueur L est encore au moins égale à 2mm, voire au moins égale à 3 mm, de préférence au moins égale à 5 mm.It should be noted here that the portion of web 34 received clamped in hole 58 is not considered to be free extending. The length L of the core 34 extending freely in this second example 50 thus comprises the length of the core 34 passing through the housing 52 between the bottom 54 of the latter as far as the base 32 of the applicator element, and the length ℓ 32 of the base 32, which can, in this case, be considered as a portion of the core 34, since it is not part of the application portion 30 of the applicator element 22. This length L is also at least equal to 2 mm, or even at least equal to 3 mm, preferably at least equal to 5 mm.

En outre l'âme 34 est conformée pour permettre un angle maximal de flexion α obtenue par déformation élastique de l'âme 34, identique à celui de l' exemple 16. Ici, cet angle maximal de flexion α peut être défini à l'aide de la paroi latérale 60 du logement 52 et de la base 32 de l'élément applicateur 22. En effet, la base 32 de l'élément applicateur 22 vient se déformer en butant sur la paroi latérale 60 jusqu'à l'angle de flexion maximal souhaité. La base 32 comporte par exemple des picots aptes à se déformer afin d'amortir la flexion de l'âme 34, pour améliorer encore le confort d'utilisation de l'élément applicateur 22.In addition, the core 34 is shaped to allow a maximum angle of bending α obtained by elastic deformation of the core 34, identical to that of example 16. Here, this maximum angle of bending α can be defined using of the side wall 60 of the housing 52 and of the base 32 of the applicator element 22. In fact, the base 32 of the applicator element 22 is deformed by abutting against the side wall 60 up to the bending angle desired maximum. The base 32 includes, for example, spikes capable of deforming in order to dampen the bending of the core 34, to further improve the comfort of use of the applicator element 22.

Des variantes de cet exemple peuvent bien entendu être envisagées.Variations of this example can of course be envisaged.

Par exemple, l'élément applicateur 22 peut être réalisé en un ou plusieurs matériaux thermoplastiques, notamment en un ou plusieurs matériaux thermoplastiques élastomères.For example, the applicator element 22 can be made from one or more thermoplastic materials, in particular from one or more elastomeric thermoplastic materials.

Par ailleurs, d'autres formes de la section de la base 32 peuvent être envisagées, notamment une forme ovale, qui permet une flexion différente selon l'orientation de l'élément applicateur. Également, selon une autre variante, la base 32 peut être dans le prolongement de la portion d'application 30, la base 32 et la portion d'application 30 étant par exemple cylindriques, de même section transversale, et contigües ou non. Dans ce cas également, la base 32 est distincte de la portion d'application en ce que cette base 32 ne peut pas être mise en oeuvre pour appliquer du produit cosmétique, contrairement à la portion d'application 30. Dans ce cas, où la base 32 et la portion d'application 30 sont cylindriques de même section, la base 32 est alors formée par la partie de l'élément applicateur 22 qui n'est pas accessibles à de la matière kératinique sur laquelle du produit cosmétique est à appliquer. Cette partie de l'élément applicateur 22 peut par exemple correspondre à la partie de l'élément applicateur 22 reçue dans le logement 52.Furthermore, other shapes of the section of the base 32 can be envisaged, in particular an oval shape, which allows different bending depending on the orientation of the applicator element. Also, according to another variant, the base 32 can be in the extension of the application portion 30, the base 32 and the application portion 30 being for example cylindrical, of the same cross-section, and contiguous or not. Also in this case, the base 32 is distinct from the application portion in that this base 32 cannot be used to apply the cosmetic product, unlike the application portion 30. In this case, where the base 32 and application portion 30 are cylindrical with the same section, base 32 is then formed by the part of applicator element 22 which is not accessible to the keratin material on which the cosmetic product is to be applied. This part of the applicator element 22 can for example correspond to the part of the applicator element 22 received in the housing 52.

Les figures 6 et 7 illustrent un deuxième exemple 70 de dispositif d'applicatior selon l'invention pouvant être mis en oeuvre dans le dispositif 10 de conditionnement et d'application d'un produit cosmétique de la figure 1.THE figures 6 and 7 illustrate a second example 70 of an applicator device according to the invention that can be implemented in the device 10 for packaging and applying a cosmetic product of the figure 1 .

Dans cet exemple 70, l'âme 34 n'est venue de matière ni avec la tige 18, ni avec l'élément applicateur 22. L'âme 34 est ici une pièce distincte de la tige 18 et distincte de l'élément applicateur 22. L'élément applicateur 22 est surmoulé sur l'âme 34. D'autres modes de fixation de l'élément applicateur 22 sur l'âme 34 sont cependant envisageables.In this example 70, the core 34 is not made in one piece either with the stem 18 or with the applicator element 22. The core 34 is here a separate part from the stem 18 and separate from the applicator element 22 The applicator element 22 is molded over the core 34. Other methods of fixing the applicator element 22 to the core 34 are however possible.

L'âme 34 peut être réalisée en matériau thermoplastique ou en métal.The core 34 can be made of thermoplastic material or of metal.

L'âme 34 est fixée à la tige 18 comme décrit en regard du deuxième exemple 50 des figures 4 et 5. La longueur L de l'âme 34 sur laquelle celle-ci s'étend librement comprend donc également la longueur de l'âme 34 traversant le logement 52, en dehors de l'élément applicateur 22, et la portion de l'âme 34 traversant la base 32 de l'élément applicateur 22.The core 34 is fixed to the rod 18 as described with regard to the second example 50 of the figures 4 and 5 . The length L of the core 34 over which it extends freely therefore also includes the length of the core 34 passing through the housing 52, outside the applicator element 22, and the portion of the core 34 passing through the base 32 of the applicator element 22.

Il peut être noté que la géométrie de l'élément applicateur 22 est ici différente de celle des deux premiers exemples. En effet, la portion d'application 30 comporte ici uniquement la portion tronconique 30c des premiers exemples, dont la plus grande base, de diamètre D30, est orientée vers la deuxième extrémité 18b de la tige 18. D'autres formes de l'élément applicateur et d'autres sections de cet élément applicateur peuvent être imaginées.It can be noted that the geometry of the applicator element 22 is here different from that of the first two examples. Indeed, the application portion 30 here comprises only the frustoconical portion 30c of the first examples, the largest base of which, with a diameter D 30 , is oriented towards the second end 18b of the stem 18. Other shapes of the applicator element and other sections of this applicator element can be imagined.

La figure 8 illustre une variante 80 du dispositif applicateur 70, dont la portion d'application 30 de l'élément applicateur 22 est formée par des touffes de poils 82 enserrées par un ou plusieurs fils torsadés 84, le ou les fils torsadés 84 formant l'âme 34. Le ou les fils torsadés sont par exemple en acier inoxydable. Les touffes de poils 82 s'étendent transversalement à la direction longitudinale X1 de l'élément applicateur 22, au repos. Avantageusement, les touffes de poils 82 ont une position longitudinale sur l'âme 34 et une longueur ℓ82 mesurée transversalement à la direction longitudinale X1 de l'élément applicateur 22, la longueur ℓ82 des touffes de poils 82 étant fonction de leur position longitudinale sur l'âme 34. La longueur ℓ82 des touffes de poils 82 peut notamment être une fonction décroissante sur au moins une portion de l'âme 34, située à l'extérieur du logement 52 et du trou 58, le cas échéant.There figure 8 illustrates a variant 80 of the applicator device 70, of which the application portion 30 of the applicator element 22 is formed by tufts of bristles 82 enclosed by one or more twisted threads 84, the twisted thread or threads 84 forming the core 34. The twisted wire or wires are for example made of stainless steel. The tufts of bristles 82 extend transversely to the longitudinal direction X 1 of the applicator element 22, at rest. Advantageously, the tufts of bristles 82 have a longitudinal position on the core 34 and a length ℓ 82 measured transversely to the longitudinal direction X 1 of the applicator element 22, the length ℓ 82 of the tufts of bristles 82 being a function of their position longitudinal on the core 34. The length ℓ 82 of the tufts of bristles 82 can in particular be a decreasing function on at least a portion of the core 34, located outside the housing 52 and the hole 58, if necessary.

Dans l'exemple illustré, la section transversale de l'élément applicateur 22 est centrée par rapport à l'âme 34. En variante, l'âme 34 peut aussi être excentrée par rapport à la section transversale de la surface enveloppe en au moins un point de la portion d'application. La section transversale de la portion d'application 30 peut être de forme carrée, rectangulaire ou oblongue, notamment. Quelle que soit sa forme, la section transversale de la portion d'application 30 peut être centrée ou excentrée par rapport à l'âme 34.In the example illustrated, the cross section of the applicator element 22 is centered with respect to the core 34. Alternatively, the core 34 can also be offset with respect to the cross section of the envelope surface in at least one point of the application portion. The cross section of the application portion 30 can be square, rectangular or oblong, in particular. Whatever its shape, the cross-section of the application portion 30 can be centered or eccentric with respect to the core 34.

Le diamètre du fil - c'est-à-dire le diamètre du ou des brins torsadés pour former le fil torsadé - est par exemple supérieur à 0,3 mm, de préférence supérieur à 0,4 mm. Ce diamètre du fil peut également ou en variante être inférieur à 0,7 mm, de préférence inférieur à 0,6 mm. Notamment le diamètre du fil est égal à 0,5 mm.The diameter of the wire—that is to say the diameter of the twisted strand(s) to form the twisted wire—is for example greater than 0.3 mm, preferably greater than 0.4 mm. This wire diameter can also or alternatively be less than 0.7 mm, preferably less than 0.6 mm. In particular, the diameter of the wire is equal to 0.5 mm.

Telle qu'illustré, une portion 86 de l'âme 34 est empoilée. Cette portion empoilée 86 est de préférence contigüe à la portion d'application 30 de l'élément applicateur 22. Cette portion empoilée 86 est de préférence reçue dans le logement 52. Les touffes de poils de cette portion empoilée 86 sont de préférence de longueur inférieure ou égale à la longueur l82 des touffes de poils de la portion d'application. La longueur des touffes de poils de cette portion empoilée 86 est encore, de préférence, inférieure ou égale au diamètre du logement 52, afin de maintenir un jeu transversal entre les touffes de poils de la portion empoilée 86 et la paroi latérale 60 du logement 52. En effet, la portion empoilée n'est pas destinée à être mise en oeuvre pour appliquer du produit cosmétique. Ainsi, bien que contiguë à la portion d'application 30, la portion empoilée 86 de l'âme 34 est distincte de cette portion d'application 30, en ce que la portion empoilée ne peut pas être mise en oeuvre pour appliquer du produit cosmétique sur de la matière kératinique. En effet, la matière kératinique n'est pas accessible à la portion empoilée 86, en l'espèce, du fait que cette dernière est reçue dans le logement 52.As shown, a portion 86 of core 34 is piled. This bristle portion 86 is preferably contiguous to the application portion 30 of the applicator element 22. This bristle portion 86 is preferably received in the housing 52. The tufts of bristles of this bristle portion 86 are preferably of shorter length or equal to the length l 82 of the tufts of bristles of the application portion. The length of the tufts of bristles of this piled portion 86 is again, preferably, less than or equal to the diameter of the housing 52, in order to maintain a transverse clearance between the tufts of bristles of the piled portion 86 and the side wall 60 of the housing 52 Indeed, the hairy portion is not intended to be used for applying cosmetic product. Thus, although contiguous to the application portion 30, the bristled portion 86 of the core 34 is distinct from this application portion 30, in that the bristled portion cannot be used to apply cosmetic product on keratin material. Indeed, the keratin material is not accessible to the hairy portion 86, in this case, because the latter is received in the housing 52.

La portion empoilée 86, reçue dans le logement 52, permet de définir l'angle maximal de flexion α par contact avec la paroi latérale 60 du logement. Pour que cette définition soit plus précise, les touffes de poils de la portion empoilée 86 sont de préférence rigides, c'est-à-dire, notamment, plus rigides que les touffes de poils 82 de la portion d'application 30. L'angle maximal de flexion peut ainsi être défini par la qualité, notamment la raideur, et/ou la densité des touffes de poils de la zone empoilée 86.The bristled portion 86, received in the housing 52, makes it possible to define the maximum bending angle α by contact with the side wall 60 of the housing. For this definition to be more precise, the tufts of bristles of the hairy portion 86 are preferably rigid, that is to say, in particular, more rigid than the tufts of bristles 82 of the application portion 30. maximum bending angle can thus be defined by the quality, in particular the stiffness, and/or the density of the tufts of hair in the hairy zone 86.

En variante, les touffes de poils de la portion empoilée 86 sont plus souples que les touffes de poils 82 de la portion d'application 30.Alternatively, the bristle tufts of the hairy portion 86 are more flexible than the bristle tufts 82 of the application portion 30.

La portion empoilée 86 permet ainsi de définir l'angle de flexion maximal. En outre, cette portion empoilée 86 permet d'assurer la maitrise de la flexion de l'âme, par l'amortissement induit par le contact des poils de la portion empoilée sur la paroi latérale 60 du logement 52.The bristled portion 86 thus makes it possible to define the maximum angle of flexion. In addition, this bristle portion 86 makes it possible to ensure control of the bending of the core, by the damping induced by the contact of the bristles of the bristle portion on the side wall 60 of the housing 52.

Comme décrit précédemment, la qualité, notamment la raideur, des touffes de poils 82 de la portion d'application 30 peut être différente de la qualité des touffes de poils de la zone empoilée 86. La raideur des touffes de poils 82 peut cependant être choisie relativement grande également, ceci permettant par exemple de peigner les cils lors de l'application d'un mascara, le confort d'application étant alors assuré par la flexion possible de l'élément applicateur 22.As described previously, the quality, in particular the stiffness, of the tufts of bristles 82 of the application portion 30 can be different from the quality of the tufts of bristles of the hairy zone 86. The stiffness of the tufts of bristles 82 can however be chosen also relatively large, this allowing for example to comb the eyelashes during the application of a mascara, the comfort of application then being ensured by the possible bending of the applicator element 22.

Ce dernier mode de réalisation est de conception particulièrement simple, le fil torsadé nécessaire à la fixation des touffes de poils étant mis en oeuvre en tant qu'âme permettant la flexion de l'élément applicateur 22 par rapport à la tige 18. Aucune autre pièce intermédiaire n'est nécessaire.This last embodiment is of particularly simple design, the twisted wire necessary for fixing the tufts of bristles being implemented as a core allowing the bending of the applicator element 22 with respect to the rod 18. No other part intermediary is not necessary.

Dans l'exemple décrit, l'âme 34 est constituée par un fil métallique 84 torsadé, dans lequel sont maintenus les poils. Les brins de l'âme 34 peuvent être torsadés à gauche ou à droite. L'âme 34 peut encore être une âme double, formée par deux âmes élémentaires torsadées entre elles. Chaque âme élémentaire peut comporter deux brins torsadés ensemble et enserrant des poils. Les deux âmes élémentaires peuvent être chacune constituée par une branche d'une seule âme torsadée repliée en forme de U, les deux branches étant torsadées ensemble.In the example described, the core 34 consists of a twisted metal wire 84, in which the bristles are held. The core strands 34 can be twisted left or right. Core 34 can also be a double core, formed by two elementary cores twisted together. Each elementary core can comprise two strands twisted together and enclosing hairs. The two elementary cores can each be constituted by a branch of a single twisted core folded in the shape of a U, the two branches being twisted together.

On peut par ailleurs utiliser dans un élément d'application conforme à l'invention toutes sortes de poils, et notamment des poils présentant une section transversale circulaire ou autre que circulaire. On peut notamment utiliser un mélange de poils de différentes natures ou un mélange de poils de longueurs différentes, de même nature ou non.It is also possible to use in an applicator element according to the invention all kinds of bristles, and in particular bristles having a circular or other than circular cross-section. It is possible in particular to use a mixture of bristles of different kinds or a mixture of bristles of different lengths, of the same kind or not.

Les poils peuvent présenter un diamètre compris entre 6,5 centièmes de millimètre et 40 centièmes de millimètre. La section transversale des poils peut notamment être ronde, ovale, polygonale, circulaire avec un méplat, étoilée, en forme de croix, en forme de U, en forme de H, en forme de T, en forme de V.The bristles can have a diameter of between 6.5 hundredths of a millimeter and 40 hundredths of a millimeter. The cross-section of the bristles can in particular be round, oval, polygonal, circular with a flattened part, star-shaped, cross-shaped, U-shaped, H-shaped, T-shaped, V-shaped.

Les poils qui sont retenus entre les brins torsadés de l'âme peuvent présenter, avant mise en place entre les brins de l'âme, une forme rectiligne ou non, par exemple une forme ondulée. On peut faire subir aux poils un traitement permettant de former à leurs extrémités des boules ou des fourches.The bristles which are retained between the twisted strands of the core may have, before being placed between the strands of the core, a rectilinear shape or not, for example a wavy shape. The bristles can be subjected to a treatment making it possible to form balls or forks at their ends.

Les poils peuvent être floqués. Les poils peuvent être réalisés par extrusion d'une matière plastique comportant une charges de particules, par exemple de particules d'un matériau absorbant l'humidité, afin de conférer un microrelief à la surface des poils ou de leur donner des propriétés magnétiques ou autres.The bristles may be flocked. The bristles can be made by extruding a plastic material comprising a filler of particles, for example particles of a moisture-absorbing material, in order to impart a microrelief to the surface of the bristles or to give them magnetic or other properties. .

Les poils peuvent être naturels ou synthétiques, par exemple être fabriqués dans une matière choisie parmi : PE, PA, notamment PA6, PA6/6, PA6/10 ou PA6/12, HYTREL®, PEBAS®, silicone, PU, cette liste n'étant pas limitative.The bristles can be natural or synthetic, for example be made of a material chosen from: PE, PA, in particular PA6, PA6/6, PA6/10 or PA6/12, HYTREL ® , PEBAS ® , silicone, PU, this list n not being limiting.

Les figures 9 et 10 illustrent une variante 90 du mode de réalisation de la figure 8. Telle qu'illustrée sur la figure 9, la direction longitudinale X1 de l'élément applicateur 22 au repos et la direction longitudinale X0 de la tige 18 ne sont pas confondues, ni parallèles. Au contraire, ici, la direction longitudinale X1 de l'élément applicateur 22 forme, même au repos, un angle non plat avec la direction longitudinale X0 de la tige 18. Ceci peut permettre une utilisation particulière de l'élément applicateur 22, notamment en privilégiant une face particulière de la portion d'application plutôt qu'une autre. Pour obtenir un angle non plat entre la direction longitudinale X0 de la tige 18 et la direction longitudinale X1 de l'élément applicateur 22, au repos, l'âme 34 est coudée. En d'autres termes, au repos, l'âme 34 présente deux tronçons sensiblement rectilignes s'étendant selon deux directions formant un angle non plat. En variante, l'âme 34 peut être courbée sur au moins une portion de sa longueur.THE figure 9 And 10 illustrate a variant 90 of the embodiment of the figure 8 . As illustrated on the figure 9 , the longitudinal direction X 1 of the applicator element 22 at rest and the longitudinal direction X 0 of the rod 18 are not coincident, nor parallel. On the contrary, here, the longitudinal direction X 1 of the applicator element 22 forms, even at rest, a non-flat angle with the longitudinal direction X 0 of the rod 18. This can allow a particular use of the applicator element 22, in particular by favoring a particular face of the application portion rather than another. To obtain a non-flat angle between the longitudinal direction X 0 of the rod 18 and the longitudinal direction X 1 of the applicator element 22, at rest, the core 34 is bent. In other words, at rest, the core 34 has two substantially rectilinear sections extending in two directions forming a non-flat angle. Alternatively, core 34 may be curved over at least a portion of its length.

Dans le cas des figures 9 et 10 également, l'élément applicateur 22 peut fléchir en cas d'utilisation et la direction longitudinale X2 de l'élément applicateur 22 fléchi forme un angle avec la direction longitudinale X1 de l'élément applicateur 22, au repos, tel que décrit précédemment. Le fléchissement peut être réalisé localement au niveau du coude formé au repos par l'âme 34 et/ou sur tout ou partie de l'âme s'étendant entre le trou 58 et le coude et/ou sur tout ou partie de l'âme s'étendant entre le coude et l'extrémité libre de l'âme 34.In the case of figure 9 And 10 also, the applicator element 22 can bend in the event of use and the longitudinal direction X 2 of the applicator element 22 flexed forms an angle with the longitudinal direction X 1 of the applicator element 22, at rest, as described previously . The deflection can be carried out locally at the level of the elbow formed at rest by the core 34 and/or over all or part of the core extending between the hole 58 and the elbow and/or over all or part of the core extending between the elbow and the free end of the web 34.

Il est à noter que, dans le cas de l'exemple 90 des figures 9 et 10, la direction longitudinale X2 de l'élément applicateur 22 fléchi peut éventuellement être alignée avec la direction longitudinale X0 de la tige 18 ou, comme illustré sur la figure 10, former un angle avec cette direction longitudinale X0 de la tige 18 supérieur à l'angle formé par la direction longitudinale X1 de l'élément applicateur 22 au repos, par rapport à cette direction longitudinale X0 de la tige 18.It should be noted that, in the case of example 90 of the figure 9 And 10 , the longitudinal direction X 2 of the bent applicator element 22 may optionally be aligned with the longitudinal direction X 0 of the stem 18 or, as illustrated in the figure 10 , form an angle with this longitudinal direction X 0 of the rod 18 greater than the angle formed by the longitudinal direction X 1 of the applicator element 22 at rest, with respect to this longitudinal direction X 0 of the rod 18.

Enfin, les figures 11 et 12 illustrent une variante 100 du mode de réalisation de la figure 8. Tel qu'illustré sur la figure 11, et contrairement au mode de réalisation de la figure 8, l'âme 34 est ici dépourvue de portion empoilée 86, reçue dans le logement 52. Ainsi, tous les poils enserrés dans l'âme 34 font ici partie de la portion d'application 30 de l'élément applicateur 22.Finally, the figure 11 And 12 illustrate a variant 100 of the embodiment of the figure 8 . As shown on the figure 11 , and unlike the embodiment of the figure 8 , the core 34 is here devoid of bristled portion 86, received in the housing 52. Thus, all the bristles enclosed in the core 34 are here part of the application portion 30 of the applicator element 22.

Dans ce cas, comme le montre la figure 12, la flexion maximale de l'élément applicateur 22 par rapport à sa position au repos peut être définie par l'âme 34 venant en butée sur l'extrémité de la paroi latérale 60 du logement 52.In this case, as shown in figure 12 , the maximum flexion of the applicator element 22 with respect to its position at rest can be defined by the core 34 coming into abutment on the end of the side wall 60 of the housing 52.

Enfin, l'exemple 110 des figures 13 et 14 diffère de l'exemple 70 des figures 6 et 7 essentiellement en ce que le logement 52 à l'extrémité de la tige 18 est tronconique. Une telle forme tronconique permet de faciliter le montage de l'élément applicateur 30. En effet, un tel logement 52 tronconique permet de guider l'âme 34 vers le trou 58 dans la tige 18. Pour ce faire, il est particulièrement intéressant que le diamètre du logement 52, mesuré à son extrémité dans laquelle débouche le trou 58, soit sensiblement égal au diamètre du trou 58. La longueur L du logement 52 tronconique, mesurée selon la direction longitudinale X0 de la tige 18, correspond à la longueur de l'âme 34 s'étendant librement. Cette longueur L peut être comprise dans les plages de valeur indiquées précédemment. Notamment, la longueur du logement 52 tronconique peut être de 10 mm. Enfin, le diamètre d52 du logement 52, qui correspond, dans le cas d'un logement 52 tronconique au diamètre maximal du logement 52, mesuré à l'extrémité de la tige 18, peut être compris entre 1 et 3 mm, de préférence être égal à 2,5 mm.Finally, example 110 of figures 13 and 14 differs from example 70 of figures 6 and 7 essentially in that the housing 52 at the end of the rod 18 is tapered. Such a frustoconical shape makes it easier to mount the applicator element 30. In fact, such a frustoconical housing 52 makes it possible to guide the core 34 towards the hole 58 in the stem 18. To do this, it is particularly interesting that the diameter of the housing 52, measured at its end into which the hole 58 opens, is substantially equal to the diameter of the hole 58. The length L of the tapered housing 52, measured along the longitudinal direction X 0 of the rod 18, corresponds to the length of the core 34 extending freely. This length L can be within the value ranges indicated previously. In particular, the length of the tapered housing 52 can be 10 mm. Finally, the diameter d 52 of the housing 52, which corresponds, in the case of a housing 52 tapered to the maximum diameter of housing 52, measured at the end of rod 18, may be between 1 and 3 mm, preferably be equal to 2.5 mm.

Bien entendu, la forme tronconique du logement 52 peut être mise en oeuvre dans tous les exemples précédents où la tige 18 a un logement 52, indépendamment de la nature de l'élément applicateur 30 et/ou de l'âme 34.Of course, the frustoconical shape of the housing 52 can be implemented in all the previous examples where the rod 18 has a housing 52, independently of the nature of the applicator element 30 and/or of the core 34.

En outre, le diamètre d18 de la tige 18 est par exemple, dans l'exemple 110 des figures 13 et 14, compris entre 3 mm et 4 mm. Cette valeur du diamètre d18 de la tige 18 peut également s'appliquer aux autres exemples décrits précédemment.In addition, the diameter d 18 of the rod 18 is for example, in example 110 figures 13 and 14 , between 3 mm and 4 mm. This value of the diameter d 18 of the rod 18 can also be applied to the other examples described above.

L'invention ne se limite pas aux seuls modes de réalisation décrits ci-avant en regard des figures, mais est, au contraire, susceptible de nombreuses variantes accessibles à l'homme de l'art, tout en faisant partie, toutefois, de l'étendue de protection telle que définie par les revendications ci-après.The invention is not limited only to the embodiments described above with regard to the figures, but is, on the contrary, susceptible of numerous variants accessible to those skilled in the art, while forming part, however, of the scope of protection as defined by the claims below.

Par ailleurs, l'élément applicateur peut être de tout type adapté et/ou de toute géométrie adaptée à l'application de produit cosmétique sur des matières kératiniques, notamment des fibres kératiniques telles que les cils ou les sourcils. Ainsi, l'applicateur peut être un applicateur floqué.Furthermore, the applicator element can be of any suitable type and/or of any geometry suitable for the application of cosmetic product on keratin materials, in particular keratin fibers such as the eyelashes or the eyebrows. Thus, the applicator can be a flocked applicator.

Également, dans les exemples décrits, la tige 18 est sensiblement cylindrique. Notamment, la tige 18 n'est pas évasée au niveau de sa deuxième extrémité 18b où le logement 52 débouche. Un tel évasement n'apparait pas nécessaire, qui peut rendre le dispositif applicateur 50 plus difficile à introduire dans son récipient 14. Cependant, un tel évasement peut également être prévu dans certains modes de réalisation non illustrés.Also, in the examples described, the rod 18 is substantially cylindrical. In particular, the rod 18 is not flared at its second end 18b where the housing 52 opens out. Such a flare does not appear necessary, which can make the applicator device 50 more difficult to introduce into its container 14. However, such a flare may also be provided in certain embodiments that are not illustrated.

Le principe de flexion de l'âme 34 est applicable à toute section de cette âme 34, ovale, polygonale ou autre. La forme de la section de l'âme peut permettre de favoriser des plans de flexion de l'âme par rapport à d'autres, ce qui peut contribuer à rendre l'application de produit cosmétique plus précise.The principle of bending of the core 34 is applicable to any section of this core 34, oval, polygonal or other. The shape of the section of the core can make it possible to favor bending planes of the core with respect to others, which can contribute to making the application of the cosmetic product more precise.

Le logement 52 est, dans les exemples décrits, tubulaire, de section transversale sensiblement circulaire. En variante, cependant, la section transversale du logement 52 peut prendre toute autre forme, notamment une forme d'ellipse, de polygone, notamment de carré ou de losange. En fonction de la forme de la section transversale du logement 52, il est possible de régler une flexion maximale de l'élément applicateur 30, différente, selon des orientations différentes de la tige.The housing 52 is, in the examples described, tubular, of substantially circular cross-section. As a variant, however, the cross section of the housing 52 can take any other shape, in particular a shape of ellipse, polygon, in particular square or diamond. Depending on the shape of the cross section of the housing 52, it is possible to adjust a maximum bending of the applicator element 30, different, according to different orientations of the stem.

L'invention peut également être mise en oeuvre pour des applicateurs autres que des applicateurs de mascara, par exemple pour des applicateurs d'ombres à paupière, de fards à joue, des applicateurs à sourcils, des applicateurs de produits sur les lèvres.The invention can also be implemented for applicators other than mascara applicators, for example for eye shadow applicators, blushers, eyebrow applicators, product applicators on the lips.

Claims (15)

  1. Applicator device (16; 50; 70; 80; 90; 100; 110) for applying a cosmetic product onto keratinous materials, in particular keratinous fibers such as eyelashes or eyebrows, comprising:
    - a rod (18), the rod (18) having a first (18a) and a second (18b) end, the rod (18) extending in a longitudinal direction (X0) of the rod (18) between the first and second ends (18a, 18b) of the rod (18), the rod (18) being rigid,
    - a gripping member (20), the gripping member (20) being located at the first end (18a) of the rod (18),
    - an applicator element (22) near the second end (18b) of the rod (18), the applicator element (22) defining a longitudinal direction (X1) of the applicator element (22) at rest, the applicator element (22) having an application portion (30) suitable for applying the cosmetic product,
    - a flexible, elastically deformable core (34), the core connecting the applicator element (22) to the rod (18),
    wherein:
    - the core (34) comprises a free portion extending freely between the rod (18) and the application portion of the applicator element (22), the free portion of the core (34) having a length of at least 2 mm, preferably at least 3 mm, more preferably at least 5 mm, the core (34) allowing maximum bending of the applicator element (22) relative to the rod (18) such that a maximum bending angle (α) between the longitudinal direction (X2) of the bent applicator element (22) and the longitudinal direction (X1) of the applicator element (22) at rest is at least 1°, or even at least 2°, preferably at least 5°, more preferably at least 10°, the maximum bending angle (α) being preferably at most 30°, more preferably at most 20°, and
    - the rod (18) has a housing (52) extending in the longitudinal direction (X0) of the rod (18) between a bottom (54) of the housing (52) and an outlet (56) of the housing (52) at the second end (18b) of the rod (18), the application portion (30) of the applicator element (22) protruding from the housing (52), the core (34) extending into the housing (52) with transverse clearance, the maximum bending angle (α) between the longitudinal direction (X2) of the bent applicator element (22) and the longitudinal direction (X1) of the applicator element (22) at rest being defined by abutment of one of the applicator element (22) and the core (34) against a side wall (60) of the housing (52).
  2. Applicator device according to claim 1, wherein the core (34) has a cross-section, the cross-section of the core (34) has a diameter (d34), the rod (18) has a cross-section, the cross-section of the rod (18) has a diameter (dis), the diameter (d34) of the cross-section of the core (34) being less than or equal to, preferably strictly less than, the diameter (dis) of the cross-section of the rod (18).
  3. Applicator device according to claim 1 or 2, wherein the core (34) is fixed in a hole (58) that opens at the bottom (54) of the housing (52), the core (34) preferably being gripped in the hole (58).
  4. Applicator device according to one of claims 1 to 3, wherein the housing (52) is tubular, the housing having a length (l52) measured between the bottom (54) of the housing (52) and the outlet (56) of the housing (52), and a diameter (d52) measured in a plane transverse to the length (l52), the length (l52) of the housing (52) preferably being between 2 and 10 mm and/or the diameter (d52) of the housing (52) preferably being between 1 and 5 mm.
  5. Applicator device according to one of claims 1 to 3, wherein the housing (52) is frustoconical, the housing having a length (l52) and a maximum diameter (d52), measured in a plane transverse to the length (l52), at the end of the rod (18), the length (l52) of the housing (52) preferably being between 2 and 10 mm and/or the maximum diameter (d52) of the housing (52) being preferably between 1 and 5 mm.
  6. Applicator device according to any one of the preceding claims, wherein the core (34) comprises, preferably consists of, a twisted wire (84), the application portion (30) being formed by tufts of bristles (82) gripped by the twisted wire (84),, wherein the core (34) preferably extends in a longitudinal direction (X1) of the applicator element (22) at rest and the tufts of bristles (82) extend transversely to the longitudinal direction (X1) of the applicator element (22) at rest.
  7. Applicator device according to claim 6, wherein the tufts of bristles (82) have a longitudinal position on the core (34) and a length (l82) measured transversely to the longitudinal direction (X1) of the applicator element (22), the length (l82) of the tufts of bristles (82) being a function of the longitudinal position on the core (34), the length (l82) of the tufts of bristles (82) being in particular a decreasing function on at least a portion of the core (34), located outside the housing (52) and the hole (58), when there are such.
  8. Applicator device according to claim 6 or 7, wherein the core (34) has a short-bristled portion (86), preferably received in the housing (52), said short-bristled portion (86) being distinct from the application portion (30) of the applicator element (22), said short-bristled portion (86) in particular having tufts of bristles shorter than the tufts of bristles (82) of the application portion (30), more preferably of a length such that clearance is maintained between the tufts of bristles of the short-bristled portion (86) and the wall or walls (60) of the housing (52) in the rod (18).
  9. Applicator device according to any one of claims 6 to 8, wherein the wire has a diameter greater than or equal to 0.3 mm, preferably greater than or equal to 0.4 mm, and/or less than or equal to 0.7 mm, preferably less than or equal to 0.6 mm.
  10. Applicator device according to one of claims 1 to 5, wherein the applicator element (22) has an application portion (30) provided with spikes and/or flocked, wherein the applicator element (22) preferably has a base portion (32) contiguous with the application portion (30), preferably one piece with the application portion (30), the base portion (32) preferably being received in the housing (52), more preferably with transverse clearance.
  11. Applicator device according to claim 10, wherein the applicator element (22), in particular the application portion (30), is of flexible material, in particular plastic material.
  12. Applicator device according to claim 10 or 11, wherein the core (34) is one piece with one among the rod (18) and the applicator element (22).
  13. Applicator device according to claim 10 or 11, wherein the core (34) is distinct from the rod (18) and from the applicator element (22).
  14. Applicator device according to any one of the preceding claims, wherein the core (34) has a diameter greater than 0.3 mm, preferably greater than 0.4 mm, and/or the core (34) has a diameter less than 2.5 mm, preferably less than 1.5 mm, more preferably less than 0.7 mm, even more preferably less than or equal to 0.6 mm.
  15. Device (10) for packaging and application of a cosmetic product (12) to be applied to keratinous materials, in particular keratinous fibers such as eyelashes or eyebrows, comprising an applicator device (16; 50; 70; 80; 90; 100; 110) according to any one of the preceding claims, and a container (14) for containing the product (12) to be applied, the applicator device (16; 50; 70; 80; 90; 100) being suitable for fixing to the container (14) such that the applicator element (22) is received inside the container (14), in contact with the cosmetic product (12), wherein the container (14) preferably has an opening (24) and the gripping member (20) is suitable to be fixed on the container (14) in order to close the opening (24) of the container (14).
EP17828986.4A 2016-12-21 2017-12-20 Applicator device for cosmetic product with flexible applicator element Active EP3558056B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1663088A FR3060278B1 (en) 2016-12-21 2016-12-21 COSMETIC PRODUCT APPLICATOR DEVICE WITH FLEXIBLE APPLICATOR ELEMENT
PCT/FR2017/053748 WO2018115752A1 (en) 2016-12-21 2017-12-20 Applicator device for cosmetic product with flexible applicator element

Publications (2)

Publication Number Publication Date
EP3558056A1 EP3558056A1 (en) 2019-10-30
EP3558056B1 true EP3558056B1 (en) 2023-07-19

Family

ID=58054342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17828986.4A Active EP3558056B1 (en) 2016-12-21 2017-12-20 Applicator device for cosmetic product with flexible applicator element

Country Status (8)

Country Link
US (1) US11653741B2 (en)
EP (1) EP3558056B1 (en)
JP (1) JP7136781B2 (en)
KR (1) KR102529178B1 (en)
CN (1) CN110300528A (en)
ES (1) ES2954265T3 (en)
FR (1) FR3060278B1 (en)
WO (1) WO2018115752A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12011078B2 (en) 2020-02-12 2024-06-18 Toly Management Ltd. Cosmetic applicator with rotatable application surface
US11412832B2 (en) 2020-02-12 2022-08-16 Toly Management Ltd. Cosmetic applicator with rotatable application surface

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749489B1 (en) * 1996-06-07 1998-08-07 Oreal PLAN-CONVEX PROFILE BRUSH
FR2852500B1 (en) * 2003-03-20 2007-02-23 Oreal BRUSH AND DEVICE FOR PACKAGING AND APPLICATION COMPRISING SUCH A BRUSH
JP4362813B2 (en) * 2003-07-31 2009-11-11 株式会社コーセー Mascara container
JP2006305191A (en) * 2005-04-28 2006-11-09 Kao Corp Mascara cosmetic equipment
FR2908018B1 (en) * 2006-11-02 2009-10-30 Oreal APPLICATOR FOR APPLYING A PRODUCT ON LACQUERS OR EYEBROWS
FR2910255B1 (en) * 2006-12-21 2009-08-21 Oreal APPLICATOR FOR APPLYING A COSMETIC PRODUCT ON KERATINIC MATERIALS
FR2945417B1 (en) * 2009-05-15 2011-08-26 Oreal APPLICATION CONDITIONING DEVICE FOR APPLYING A PRODUCT TO LACQUERS AND / OR EYEILS.
KR200456833Y1 (en) * 2010-04-09 2011-11-23 (주)아모레퍼시픽 Mascara brush
FR2979807B1 (en) 2011-09-09 2015-03-27 Oreal APPLICATOR FOR APPLYING A PRODUCT ON LACQUERS OR EYEBROWS
JP2014140724A (en) * 2012-12-29 2014-08-07 Kao Corp Cosmetic applicator
FR3004627B1 (en) * 2013-04-19 2015-08-07 Oreal APPLICATOR TO APPLY A PRODUCT ON THE LASHES.
FR3007629B1 (en) * 2013-06-26 2015-08-07 Oreal DEVICE FOR APPLYING A COSMETIC PRODUCT

Also Published As

Publication number Publication date
CN110300528A (en) 2019-10-01
KR20190097168A (en) 2019-08-20
WO2018115752A1 (en) 2018-06-28
US20210127814A1 (en) 2021-05-06
FR3060278B1 (en) 2019-09-27
JP2020501801A (en) 2020-01-23
JP7136781B2 (en) 2022-09-13
ES2954265T3 (en) 2023-11-21
EP3558056A1 (en) 2019-10-30
KR102529178B1 (en) 2023-05-08
US11653741B2 (en) 2023-05-23
FR3060278A1 (en) 2018-06-22

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