Classifications

• • 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
  • 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
  • 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
  • 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
  • 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 keratinous 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 keratinous fibers.
• This applicator device comprises a rod, an applicator member attached to one end of the rod and a rigid core extending in the extension of the rod. The soul is attached to the stem or made monolithically with the stem.
• the applicator device also comprises an outer envelope with a fixing zone and an application zone.
• the outer envelope defines an interior cavity into which the core is inserted.
• the outer shell is attached to one end of the rod by the attachment area and is free relative to the core, at least over a portion of the application area.
• the area of attachment of the outer shell is attached to the shaft and the core so as to be sandwiched between the shaft and the core.
• the core may be flexible so as to provide flexibility in the application of the product.
• US-A-2008 107 470 discloses an applicator device with an applicator element, a rigid rod and a flexible part between the applicator element and the rigid rod.
• the applicator element has 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 application WO-A-2013/034 638 describes a device substantially identical to the applicator device of the application US-A-2008 107 470, intended to ensure the attachment of 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 piece.
• the core of the applicator element is fixed in a housing of the holding element, a portion of the flexible part being overmolded around the holding element.
• the assembly proposed in the latter application is however complex and therefore induces a high manufacturing cost.
• An object of the invention is to provide an applicator device not having at least some of the disadvantages 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 invention provides an applicator device for a cosmetic product on keratin materials, in particular keratin fibers such as eyelashes or eyebrows, comprising:
• 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 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 adapted to apply the cosmetic product,
• the core comprises a free portion extending freely between the rod and the application portion of the applicator element, the free portion of the core having a length of at least 2 mm, preferably at least 3 mm, more preferably at least 5 mm, the core allowing a maximum bending of the applicator element relative to the rod such as a maximum bending angle between the longitudinal direction of the flexed applicator element and the direction longitudinal axis of the applicator element rest is at least 1 °, even at least 2 °, preferably at least 5 °, more preferably at least 10 °.
• 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.
• a known container can be used.
• the applicator device thus induces no additional packaging cost and / or its assembly process.
• the proposed solution also obviates any constraints on the choice of materials of the applicator element, depending on the product to be applied.
• the applicator device according to the invention comprises one or more of the following characteristics, taken alone or in combination:
• the stem is rigid
• the maximum bending angle is at most 30 °, preferably at most 20 °;
• the core has a cross-section, the cross-section of the core has a diameter,
• the stem has a cross-section, the cross-section of the stem has a diameter, the cross-sectional diameter of the core being less than or equal to , preferably strictly inferior to the diameter of the cross section of the rod;
• the rod has a housing extending in the longitudinal direction of the rod between a bottom of the housing and an outlet of the housing at the second end of the rod, the application portion of the applicator element protruding from the housing; the soul extending into the housing with a transverse clearance;
• the core is fixed in a hole opening at the bottom of the housing, the core being preferably tight 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 being preferably between 2 and 10 mm and / or the diameter of the housing being preferably 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 being preferably between 1 and 5 mm;
• the core comprises, preferably consists of a twisted wire, the application portion being formed by tufts of bristles gripped by the twisted wire;
• 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 tufts of bristles have a longitudinal position on the core and a length measured transversely to the longitudinal direction of the applicator element, the length of the tufts of bristles being a function of the longitudinal position on the core, the length of the tufts of bristles being in particular a decreasing function on at least a portion of the core, located outside the housing and the hole, where appropriate;
• the core has a puckered portion, preferably received in the housing, said empoilée portion being distinct from the application portion of the applicator element, said empoilée portion having in particular tufts of hair of less than the length of the tufts of hair of the application portion, more preferably of such length that a game is maintained between the tufts of hair of the empoilated portion and the housing or walls of the housing in the rod;
• 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 pins and / or flocked; the applicator element has a base portion contiguous to the application portion, preferably integral with the application portion, the base portion preferably being 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 core has a diameter greater than 0.3 mm, preferably greater than 0.4 mm;
• the core has a diameter 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 invention also relates to a device for packaging and applying a cosmetic product to be applied to keratin materials, in particular keratinous fibers such as eyelashes or eyebrows, comprising an applicator device as described above in all its combinations, and a container for containing 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 seal 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 adapted to be screwed onto the threaded neck of the container.
• Figure 1 is a partially cutaway view of a device for packaging and applying a cosmetic product with a mascara applicator device
• FIG. 2 schematically represents in longitudinal section an end of a first example of a cosmetic product applicator device that can be implemented in the packaging and application device of FIG. 1;
• Figure 3 is a view similar to Figure 2 showing the flexion of the applicator element relative to the rod;
• FIGS. 4 and 5 are views similar to Figures 2 and 3, a second example of a cosmetic product applicator device that can be implemented in the packaging device and application of Figure 1;
• FIGS. 6 and 7 are views similar to FIGS. 2 and 3 of a third example of a cosmetic product applicator device that can be implemented in the packaging and application device of FIG. 1;
• Figure 8 partially shows in longitudinal section, a fourth example of a cosmetic product applicator device that can be implemented in the packaging device and application of Figure 1;
• FIGS. 9 and 10 partially show in longitudinal section, a fifth example of a cosmetic product applicator device that can be implemented in the packaging and application device of FIG. 1, at rest and in product application position, respectively.
• FIGS. 11 and 12 partially show in longitudinal section, a sixth example of a cosmetic product applicator device that can be implemented in the packaging and application device of FIG. 1, at rest and in the application position of FIG. cosmetic product ; and
• FIGS. 13 and 14 are views similar to FIGS. 6 and 7, of a variant of the third example of a cosmetic product applicator device that can be implemented in the packaging and application device of FIG.
• FIG. 1 illustrates a device 10 for packaging and applying a cosmetic product 12 to be applied to keratinous fibers, in particular 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 rod 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 Xo of the rod is common to the longitudinal direction X of the container 14, a gripping member 20 of the applicator device 16, and the longitudinal direction Xi of an applicator element 22 of the applicator device 16 in the position in which this applicator element 22 is shown. The position shown in FIG.
• the gripping member 20 is fixed at the first end 18a of the rod 18.
• the applicator element 22 is mounted at the second end 18b of the rod 18, that is to say in the vicinity of this second end 18b of the rod 18.
• the gripping member 20 is substantially cylindrical.
• the cross section of the gripping member 20 may in particular be oval, round or polygonal, for example triangular, square or rectangular.
• the gripping member 20 allows, in addition to gripping the applicator device 16, the attachment of this applicator device 16 to the container 14.
• the container 14 for example of tubular shape X axis, present at the level of a neck 24 adapted to allow the passage of the applicator element 22 and the rod 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 extracting part of it when removing the application device 16.
• the container 14 also comprises, in the neck 24, a spin ring 28, mounted here tightly in the neck 24.
• This spin ring 28 is intended to come into contact with the applicator element 22 when it is removed from the interior of the container 14, to eliminate the surplus of cosmetic product 12 whose applicator element 22 could be soaked or covered.
• This spin ring 28 is however optional.
• the method of attachment of the applicator device 16 by screwing the gripping member 20 on 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.
• Figures 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 on the keratin fibers.
• the applicator element 22 is for example made of plastic, or any other material making it possible to obtain an applicator element 22 which is more flexible or more rigid with respect to the rod 18.
• the application portion 30 can have any desired shape, allowing a satisfactory application of cosmetic product, especially mascara.
• the application portion 30 defines three contiguous zones:
• a first zone 30a closest to the first end 18a of the stem 18, of frustoconical shape, with the smallest 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, frustoconical in shape, substantially identical to that of the first zone 30a, but with the smaller base oriented opposite the first end 18a of the rod 18, that is to say towards the free end 22e of the applicator element 22;
• the third zone 30c is substantially cylindrical here, diameter D 3 o.
• the first, second and third zones 30a, 30b, 30c may in particular be provided with pins - not visible in FIGS. 2 and 3 - to allow a satisfactory application of cosmetic product.
• the applicator element 22 is here fixed at 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 with respect to the rod 18. More precisely, here, the applicator element 22 is overmolded on the core 34.
• the core 34 is integral 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 relative to the rod 18, rigid.
• the flexible core 34 has a cross section, the cross section of the flexible core has a diameter d 4 ;
• 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 to, preferably less than, the diameter d 18 of the cross-section of the rod 18.
• the diameter d 18 of the rod 18 may be at least twice the diameter d 4 of the core 34, preferably at least five times greater.
• the rod 18 thus has a shoulder 19 from which extends the core 34.
• the rod 18 and the core 34 are, for example and without limitation, made of copolyester, polyethylene (PE), polypropylene (PP) or polyoxymethylene (POM).
• the diameter d 4 of the flexible core 34 is for example greater than 0.3 mm, preferably greater than 0.4 mm.
• This diameter d 34 may 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 4 of the core 34 is equal to 0.5 mm.
• the core 34 extends from ⁇ shoulder 19 of the rod 18 to the second end 18b of the same rod 18. In addition, the core 34 extends freely over a length L measured between shoulder 19 of the rod 18 and the application portion 30 of the applicator element 22.
• the length L on 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 flexion between the longitudinal direction Xi of the applicator element at rest and the longitudinal direction X 2 of the applicator element 22 bent, measured in a longitudinal plane of the applicator device 16 including the longitudinal direction Xi of the rod 18 and the longitudinal direction X 2 of the element applicator 22, is at least 1 °, even at least 2 °, even at least 5 °, or even at least 10 °.
• the applicator element 22 is subjected only to its weight and to the reaction of the core 34.
• 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 displacement of the applicator element 22 with respect to the stem 18.
• the core 34 being more flexible than the stem 18, rigid, is the core 34. which deforms and not the rod 18, in case of application of a force on the applicator element 22. This deformation makes it possible to compensate for excessive pressure on the applicator element 22, which pressure could be painful without this deformation. This deformation thus induces a greater comfort of application.
• this deformation also makes it possible to use an applicator element 22 whose spikes are more rigid, the stiffness 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 rod 18, obtained by elastic deformation of the core 34 is preferably limited.
• the maximum angle of flexion of the applicator element 22, obtained by elastic deformation of the core 34 is at most 30 °, preferably at most 20 °.
• a maximum bending angle too large can indeed affect the accuracy of the makeup.
• a maximum bending angle too large can also induce a pressure necessary for the application, very important making the delicate makeup operation.
• the second example 50 of the applicator device shown in FIGS. 4 and 5 differs from the first example 16 by three main points.
• the core 34 is not integral with the rod 18, but with the applicator element 22.
• the mounting of the applicator device 50 can then be achieved in two stages: first carries out the applicator element 22 with the core 34, then the whole is fixed on the rod 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, of diameter 32 smaller than the diameter d 3 o of the smallest base of the first zone 30a of the application portion 30.
• the cylindrical surface of the base 32 is set back compared to the surface of the application portion 30, so that the base 32 can not be in contact with the keratin material on which the cosmetic product is to be applied. This prevents the base 32 is implemented to apply the cosmetic product, which would affect the accuracy of the application of the cosmetic product.
• the base 32 is thus distinct from the application portion 30 of the applicator element 22.
• the diameter d 32 of the base 32 is, for example, at least two times smaller than the diameter d 0 of the smallest base of the first zone 30a.
• the maximum diameter D 0 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 three times larger than the diameter d 32 of the base 32.
• the length of the application portion 30 of the applicator element 22 is equal to or greater than the length 32 of the base 32, preferably at least twice as large, more preferably at least five times greater than the length of the the base 32, these lengths being measured along the longitudinal direction Xi of the applicator element 22 at rest.
• the rod 18 forms a housing 52.
• the housing 52 is substantially tubular.
• the housing 52 extends in the longitudinal direction Xo of the rod 18 between a bottom 54 of the housing 52 and an outlet 56 of the housing 52 at 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.
• the housing 52 also has a diameter d 52 , measured in a plane transverse to the length of the housing 52.
• the diameter ds 2 of the housing 52 is preferably between 1 and 3 mm, preferably equal to 2.5 mm.
• the base 32 of the applicator element 22 is completely received in the housing 52, making the base 32 inaccessible from outside the housing 52.
• the base 32 can not be implemented to apply cosmetic product on keratin material of a user, so that the base 32 is distinct 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 bottom 54 of the housing 52.
• the diameter of the hole 58 is equal to or substantially less than 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 simply and effectively fix the core 34, and therefore the applicator element 22, on 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 tightly 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 clearance 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 able to be displaced in flexion with respect to the stem 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 thereof to the base 32 of the applicator element, and the length I32 of the base 32, which may, 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.
• length L is still at least 2 mm, or even at least 3 mm, preferably at least 5 mm.
• the core 34 is shaped to allow a maximum bending angle obtained by elastic deformation of the core 34, identical to that of the first example 16.
• this maximum bending angle can be defined using the side wall 60 of the housing 52 and the base 32 of the applicator element 22.
• the base 32 of the applicator element 22 is deformed by abutting on the side wall 60 to the angle of maximum bending desired.
• the base 32 comprises, for example, pins capable of deforming in order to damp the bending of the core 34, to further improve the comfort of use of the applicator element 22.
• the applicator element 22 may be made of one or more thermoplastic materials, in particular one or more elastomeric thermoplastic materials.
• the base 32 may 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.
• the base 32 is distinct from the application portion in that this base 32 can not be used to apply the cosmetic product, unlike the application portion 30.
• the base 32 and the application portion 30 are cylindrical of the same section, the base 32 is then formed by the portion of the applicator element 22 which is not accessible to the keratinous material on which the cosmetic product is to be applied. This part of the applicator element 22 may for example correspond to the portion of the applicator element 22 received in the housing 52.
• FIGS. 6 and 7 illustrate a third example 70 of an application device that can be implemented in the device 10 for packaging and applying a cosmetic product of FIG. 1.
• the core 34 is made of material neither with the rod 18 nor with the applicator element 22.
• the core 34 is here a separate part of the rod 18 and distinct from the applicator element 22.
• the applicator element 22 is overmolded on the core 34. Other modes of attachment of the applicator element 22 on the core 34 are however possible.
• the core 34 may be made of thermoplastic material or metal.
• the core 34 is fixed to the rod 18 as described with reference to the second example 50 of FIGS. 4 and 5.
• the length L of the core 34 on which it extends freely also comprises 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 different here 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 diameter D30, is oriented towards the second end 18b of the rod 18.
• Other forms of the element applicator and other sections of this applicator element can be imagined.
• FIG. 8 illustrates a variant 80 of the applicator device 70, whose application portion 30 of the applicator element 22 is formed by tufts of bristles 82 gripped by one or more twisted wires 84, the twisted wire or wires 84 forming the 'soul 34.
• the twisted son or son are for example stainless steel.
• the tufts of bristles 82 extend transversely to the longitudinal direction Xi of the applicator element 22, at rest.
• the tufts of bristles 82 have a longitudinal position on the core 34 and a length i 3 ⁇ 42 measured transversely to the longitudinal direction Xi of the applicator element 22, the length! 3 ⁇ 42 tufts of bristles 82 depending on their longitudinal position on the core 34.
• the length! 3 ⁇ 42 tufts of bristles 82 may in particular be a decreasing function on at least a portion of the core 34, located outside the housing 52 and the hole 58, where appropriate.
• the cross-section of the applicator element 22 is centered with respect to the core 34.
• the core 34 may also be eccentric with respect to the cross-section of the envelope surface in at least one embodiment. point of the application portion.
• the cross section of the application portion 30 may be square, rectangular or oblong, in particular. Whatever its shape, the cross section of the application portion 30 may be centered or eccentric with respect to the core 34.
• the diameter of the wire - that is to say the diameter of the strand or twisted to form the twisted wire - is for example greater than 0.3 mm, preferably greater than 0.4 mm. This diameter of the wire may 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.
• a portion 86 of the core 34 is empoilée.
• This emptied portion 86 is preferably contiguous with the application portion 30 of the applicator element 22.
• This empoilated portion 86 is preferably received in the housing 52.
• the tufts of hair of this empoilated portion 86 are preferably of shorter length. or equal to the length 1 82 of the tuft of bristles of the application portion.
• the length of the tufts of bristles of this empoilated portion 86 is still, preferably, less than or equal to the diameter of the housing 52, in order to maintain a transverse clearance between the tufts of hair of the empoilated portion 86 and the side wall 60 of the housing 52.
• the empoilée portion is not intended to be implemented to apply the cosmetic product.
• the empoilated portion 86 of the core 34 is distinct from this application portion 30, in that the empoilated portion can not be used to apply cosmetic product on keratin material.
• the keratin material is not accessible to the empoilée portion 86, in this case, because the latter is received in the dwelling 52.
• the empoilée portion 86 received in the housing 52, makes it possible to define the maximum bending angle a by contact with the side wall 60 of the housing.
• the tufts of bristles of the emptied portion 86 are preferably rigid, that is to say, more rigid than the tufts of bristles 82 of the application portion 30.
• the maximum bending angle can thus be defined by the quality, in particular the stiffness, and / or the density of the tufts of hair of the empoilated zone 86.
• the pile tufts of the emptied portion 86 are more flexible than the tufts of bristles 82 of the application portion 30.
• the empoilated portion 86 thus makes it possible to define the maximum bending angle.
• this empoilated portion 86 makes it possible to ensure the control of the bending of the core, by the damping induced by the contact of the bristles of the portion empoilée on the side wall 60 of the housing 52.
• the quality, in particular the stiffness, of the tufts of hair 82 of the application portion 30 may be different from the quality of the tufts of hair of the empoilated zone 86.
• the stiffness of the tufts of hair 82 may, however, be chosen relatively large also, this for example to comb the eyelashes during the application of a mascara, the comfort of application being then 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 soul allowing the bending of the applicator element 22 with respect to the rod 18. No other part intermediate is not necessary.
• the core 34 is constituted by a twisted wire 84, in which the bristles are held.
• the strands of the core 34 may be twisted left or right.
• the soul 34 can still be a double soul, formed by two elementary souls twisted together. Each elementary soul may comprise two strands twisted together and enclosing hairs.
• the two elementary cores may each be constituted by a branch of a single twisted core folded U-shaped, the two branches being twisted together. It is also possible to use in an application element according to the invention all kinds of bristles, and in particular bristles having a circular or other circular cross section. In particular, it is possible to use a mixture of bristles of different natures or a mixture of bristles of different lengths, of the same nature or not.
• the hairs may have a diameter of between 6.5 hundredths of a millimeter and 40 hundredths of a millimeter.
• the cross section of the bristles may in particular be round, oval, polygonal, circular with a flat, star-shaped, cross-shaped, U-shaped, H-shaped, T-shaped, V-shaped.
• the bristles that are retained between the twisted strands of the core may have, before placement between the strands of the soul, a rectilinear shape or not, for example a wavy shape.
• the bristles may be treated to form balls or forks at their ends.
• the hairs can be flocked.
• the bristles may be made by extruding a plastic material having a particle charge, for example particles of a moisture-absorbing material, to impart micro-relief to the surface of the bristles or to give them magnetic or other properties .
• the bristles may 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.
• FIGS. 9 and 10 illustrate a variant 90 of the embodiment of FIG. 8.
• the longitudinal direction Xi of the applicator element 22 at rest and the longitudinal direction Xo of the rod 18 are not not confused or parallel.
• the longitudinal direction Xi of the applicator element 22 forms, even at rest, a non-flat angle with the longitudinal direction Xo of the rod 18. This may allow a particular use of the applicator element 22, especially in favoring a particular side 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.
• the core 34 may be bent over at least a portion of its length.
• the applicator element 22 can bend in case of use and the longitudinal direction X 2 of the bent applicator element 22 forms an angle with the longitudinal direction Xi of the applicator element 22, at rest, as described above.
• the deflection can be performed locally at the elbow formed at rest by the core 34 and / or all or part of the core extending between the hole 58 and the elbow and / or all or part of the core extending between the elbow and the free end of the soul 34.
• the longitudinal direction X 2 of the bent applicator element 22 may possibly be aligned with the longitudinal direction Xo of the rod 18 or, as illustrated in FIG. FIG. 10, forming an angle with this longitudinal direction X 0 of the rod 18 greater than the angle formed by the longitudinal direction Xi of the applicator element 22 at rest, with respect to this longitudinal direction X 0 of the rod 18.
• Figures 11 and 12 illustrate a variant 100 of the embodiment of Figure 8.
• the core 34 is here devoid of empoilée portion 86, received in the housing 52.
• all the bristles gripped in the core 34 are here part of the application portion 30 of the applicator element 22.
• the maximum bending of the applicator element 22 with respect to its rest position can be defined by the web 34 abutting the end of the side wall 60 of the housing 52. .
• the example 110 of Figures 13 and 14 differs from the example 70 of Figures 6 and 7 essentially in that the housing 52 at the end of the rod 18 is frustoconical.
• a frustoconical shape makes it easier to assemble the applicator element 30.
• a frustoconical housing 52 makes it possible to guide the core 34 towards the hole 58 in the rod 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 frustoconical housing 52, measured in the longitudinal direction X 0 of the rod 18, corresponds to the length of the soul 34 extending freely. This length L can be within the value ranges indicated above.
• the length of the frustoconical housing 52 can be 10 mm.
• the diameter ds 2 of the housing 52 which corresponds, in the case of a frustoconical housing 52 to the maximum diameter of the housing 52, measured at the end of the 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 preceding examples where the rod 18 has a housing 52, regardless of the nature of the applicator element 30 and / or the core 34.
• the diameter d 18 of the rod 18 is for example, in example 110 of 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.
• applicator element may be of any suitable type and / or of any geometry adapted to the application of cosmetic product to keratin materials, in particular keratinous fibers such as eyelashes or eyebrows.
• 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. Such flaring does not appear necessary, which may make the applicator device 50 more difficult to introduce into its container 14. However, such flaring may also be provided in some embodiments not shown.
• the principle of flexion 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 promote bending planes of the soul relative to others, which can help make the application of cosmetic product more accurate.
• the housing 52 is, in the examples described, tubular, of substantially circular cross section.
• the cross section of the housing 52 may take any other form, including a shape of ellipse, polygon, including square or rhombus.
• the invention can also be implemented for applicators other than mascara applicators, for example for eyelid applicators, blushers, eyebrow applicators, applicators for products on the lips.

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• 2016
  • 2016-12-21 FR FR1663088A patent/FR3060278B1/fr active Active
• 2017
  • 2017-12-20 JP JP2019533520A patent/JP7136781B2/ja active Active
  • 2017-12-20 CN CN201780086678.8A patent/CN110300528A/zh active Pending
  • 2017-12-20 US US16/472,729 patent/US11653741B2/en active Active
  • 2017-12-20 WO PCT/FR2017/053748 patent/WO2018115752A1/fr unknown
  • 2017-12-20 KR KR1020197020649A patent/KR102529178B1/ko active IP Right Grant
  • 2017-12-20 EP EP17828986.4A patent/EP3558056B1/de active Active
  • 2017-12-20 ES ES17828986T patent/ES2954265T3/es active Active

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