EP1738894A1 - Applicator as well as package and application apparatus comprising such an applicator - Google Patents

Applicator as well as package and application apparatus comprising such an applicator Download PDF

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Publication number
EP1738894A1
EP1738894A1 EP06291068A EP06291068A EP1738894A1 EP 1738894 A1 EP1738894 A1 EP 1738894A1 EP 06291068 A EP06291068 A EP 06291068A EP 06291068 A EP06291068 A EP 06291068A EP 1738894 A1 EP1738894 A1 EP 1738894A1
Authority
EP
European Patent Office
Prior art keywords
rod
applicator
applicator according
stamped
stamped portion
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.)
Granted
Application number
EP06291068A
Other languages
German (de)
French (fr)
Other versions
EP1738894B1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1738894A1 publication Critical patent/EP1738894A1/en
Application granted granted Critical
Publication of EP1738894B1 publication Critical patent/EP1738894B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • 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
    • 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
    • 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
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics

Definitions

  • the present invention relates to the applicators of cosmetic or dermatological product, for example makeup or care, including a product such as a nail polish, and packaging and application devices comprising such applicators.
  • applicators comprise an applicator member, for example a bundle of bristles, attached to the end of a rod for the application of the product to a surface of the human body, in particular the skin, the lips or the integuments, for example. for example, fingernails or feet.
  • an applicator member for example a bundle of bristles, attached to the end of a rod for the application of the product to a surface of the human body, in particular the skin, the lips or the integuments, for example. for example, fingernails or feet.
  • Patent applications are known French FR-A-2,722,380 and FR-A-2,722,381 applicators whose rod has a flexibility close to that of the applicator member, the rod being over a large part of its length of smaller section than the rest of the rod.
  • Stems of this type can be molded. It may be necessary for each type of applicator to change the length of the part of smaller section, which may lead to several molds and lead to relatively high costs.
  • Fixing the applicator member in a flexible rod for example the implantation in the rod of a bundle of bristles, a flocked tip, a felt or a foam, can be made more difficult in that the stem can bend more easily. To avoid this problem, it is possible to maintain the rod during the operation, but this complicates the assembly.
  • the present invention aims in particular to meet all or part of these needs.
  • the rod of the applicator can advantageously be deformed once molded and extracted from the mold used for its molding.
  • the material of the stem flows under the pressure of the matrix.
  • the latter can be configured, if necessary, so as to guide the deformation generated by the creep to form a relief for regulating the flow of the product along the rod.
  • the stamped portion can substantially retain the deformation acquired during the stamping without returning to its original shape during the life of the applicator.
  • the thickness of the rod is for example reduced, according to the desired flexibility and the nature of the rod, by at least 50%, or even for example by at least 97%, in the direction of application of the rod. the pressure to make the material flow.
  • the thickness of the rod before creep is for example 3.5 mm and the minimum thickness of the stamped portion is for example less than or equal to 0.1 mm, these values being in no way limiting of the invention.
  • the joint can create a hinge and / or weakness zone allowing two adjacent rod sections to change orientation relative to each other.
  • the stamped portion forming articulation is not used for fixing the applicator member on the rod.
  • the invention makes it possible to create a large variety of rods having at least one joint, without requiring the manufacture of specific molds. It is thus possible to give the rod, at least during use, a non-rectilinear shape.
  • the invention can reduce the pressure of the applicator member on the treated surface, thanks to the deformation of the rod.
  • the applicator can allow the user to have during the application a better gesture, more flexible, more comfortable or more precise.
  • the rod may comprise at least one boss coming from the stamping and projecting laterally on the rod.
  • the rod may comprise at least two stamped portions each forming a hinge, or even three or more, these stamped portions being for example made simultaneously with the same matrix or successively by moving the rod relative to the matrix.
  • the or each stamped portion may be non-symmetrical of revolution, to promote the creation of a hinge about a predefined hinge axis.
  • the stamped portion may in particular comprise a material bridge having a flattened shape in cross section.
  • the applicator may be symmetrical with respect to a median plane, in particular a plane perpendicular to a hinge axis defined by a stamped portion. At least one stamped portion may be located in the lower half of the rod.
  • the rod may comprise at least one stamped portion comprising at least one aperture, in particular at least one aperture arranged between two branches connecting sections of the rod located on either side of the stamped portion. Such a journey is for example formed during the stamping operation, by cutting.
  • the bottom of the or each stamped portion extends substantially perpendicular to the longitudinal axis of the rod.
  • the bottom of at least one stamped portion extends non-perpendicularly to the longitudinal axis of the rod, the orientation of the stamped portion or portions being chosen according to the manner in which it is desired for the rod to deform .
  • the rod may for example comprise at least two portions extending in non-parallel lines.
  • the rod may comprise at least two stamped portions having different shapes, for example resulting from the application of two form matrices different or of the same matrix but with different pressures and / or on regions of the stem having different shapes and / or different initial orientations.
  • the rod may comprise at least two stamped portions of the same shape, for example from the use of the same matrix.
  • the rod may comprise at least two stamped portions having the same profile when the rod is observed in a direction perpendicular to its longitudinal axis.
  • the two stamped portions may be symmetrical or non-symmetrical with respect to a plane, for example a plane extending perpendicularly to the longitudinal axis of the rod.
  • At least one stamped portion may comprise at least one material protrusion located on at least one side of a rod section connected to the stamped portion. This protrusion can be formed during the stamping operation by giving the die a corresponding shape. The outgrowth may correspond to a part of the material displaced by the creep.
  • the rod may comprise at least two flanks located on either side of the stamped portion, inclined with respect to the longitudinal axis of the rod, or substantially substantially perpendicular to it. Where appropriate, the shape of the stamped portion may be chosen so as to define the maximum pivot angle of the adjacent rod sections, by abutting one flank against the other. The stamped portion can thus be configured to limit the rotation relative to each other of the rod sections located on either side of the stamped portion.
  • the stamped portion may extend over a variable length, depending for example on whether a more or less localized hinge is desired.
  • the length of the stamped portion may be, for example, up to 25 mm, although a smaller distance is preferred in exemplary embodiments.
  • At least one stamped portion may have a longitudinal section of generally rectangular, triangular, or at least partially circular, oval or elliptical, for example according to the shape of the matrix used.
  • the stem may have a shape cross-section selected from the following list: circular, non-circular, oblong, oval, elliptical, polygonal, square, rectangular, kidney-shaped, crenellated, star-shaped, and where appropriate one or more gorges.
  • the rod may have, before stamping, a constant cross section or not, and be full or hollow, along its length or portions, for example.
  • the rod may for example be full in a stamped portion forming articulation and be hollow elsewhere.
  • the diameter of the rod is for example less than about 10 mm.
  • the rod may be made of a thermoplastic material, in particular one of the materials selected from the group consisting of: HDPE, LDPE, linear PE, PP, POM, PA, PET, PBT, or a mixture of these materials.
  • Linear PE can provide better resistance to pressure and the forces exerted during stamping.
  • the applicator member may comprise at least one of the following elements: bundle of bristles, in particular forming a brush, comb, brush, felt, flocking coating or foam.
  • the applicator member may for example comprise a flocked tip, for example a flocked tip.
  • At least two hairs of the bundle may each comprise at least one periodic pattern having at least one undulation, at least two periodic patterns being different.
  • periodic pattern refers to a portion of the hair which reproduces substantially periodically along the hair.
  • the bundle of bristles may comprise at least two hairs of different lengths and / or diameters and / or sections and / or materials.
  • the bristles may be made of synthetic material, for example made of a thermoplastic material, in particular thermoplastic elastomer. At least one hair can be in a natural material.
  • the bristles may have a solid or hollow cross section, circular or not, the cross sections being constant or not along the bristles, passing for example alternately by sections of large and small diameters.
  • the bristles may optionally comprise a flocking coating.
  • the bristles may also comprise, over their entire length, or only a part thereof, a filler, for example a magnetic compound, a moisture-absorbing compound, a compound intended to create the hair surface roughness or to promote sliding. This charge can be divided to create a periodic pattern.
  • a filler for example a magnetic compound, a moisture-absorbing compound, a compound intended to create the hair surface roughness or to promote sliding. This charge can be divided to create a periodic pattern.
  • the bundle of bristles can be fixed in a housing provided at the first end of the rod, the bristles being able to be fixed in the housing by gluing, stapling, stamping the rod, melting or overmolding.
  • the dwelling may have a oblong transverse section, elongated along an axis of greater length, to form a flat beam.
  • the axis of greater length of the section of the housing is for example substantially parallel to an axis of articulation defined by a stamped portion.
  • the housing may have a cross section decreasing closer to its bottom, this reduction being effected according to the desired divergence for the bristles.
  • the bottom of the housing may comprise a recess in which the bristles are fixed and which opens into a part of the housing flaring towards the opening thereof, this flared portion allowing the bristles to move away more easily. others to give the beam an expanded form.
  • the housing may be arranged such that the bristles extend outside the housing a distance greater than the depth of the housing.
  • the rod and the applicator member may alternatively be made in one piece, in particular by injection molding or bi-injection molding.
  • the rod can still be overmolded on the applicator member.
  • the applicator may comprise a gripping member attached to a second end of the rod, opposite to the first.
  • the gripping member of the applicator may also constitute a closure cap of a container containing the product to be applied.
  • the rod may comprise at its second end, opposite to the first, a fixing member on the gripping member.
  • the fixing member may comprise a tip intended to be inserted by force and / or snapped into the gripping member.
  • the tip may include a tubular skirt with a collar at its base.
  • the flange may be configured to bear against the upper surface of the neck of a container containing the product, ensuring for example the sealing of the closure of the container.
  • the sealing of the closure of the container can be provided by other means.
  • the gripping member may comprise fixing means on a container, for example a thread.
  • the gripping member may have a non-symmetrical shape of revolution favoring the gripping of the applicator with a predefined orientation.
  • the gripping member may comprise at least one receiving zone of a finger, in particular a flat or a cell extending substantially parallel to a hinge axis defined by a stamped portion.
  • the invention further relates, independently or in combination with the foregoing, to a device for packaging and applying a cosmetic product, comprising an applicator as defined above and a container containing the product to be applied.
  • the latter may be a product to be applied to the nails, for example a nail polish or a care product for the nails.
  • the product may alternatively be an eyeliner, an eye shadow or a lip product, for example a lipstick or a gloss.
  • the device may further comprise a dewatering member for dewatering the applicator member when it leaves the container.
  • the device advantageously comprises means for sealing the container.
  • the subject of the invention is also, independently or in combination with the foregoing, a method of manufacturing an applicator as defined above, comprising the step of: stamping at least a portion of a rod comprising a d application for forming at least one joint.
  • stamped portions may be formed simultaneously.
  • several portions of the rod may be successively die-cast, for example using the same die, with relative movement of the rod and die between the die-in operations.
  • the invention further relates, independently or in combination with the foregoing, to a manufacturing machine arranged to receive a rod and a die for stamping the rod to form a hinge on the rod.
  • the rod may have been provided with an applicator member prior to the stamping operation.
  • the matrix may comprise a housing adapted to receive and hold the rod during the stamping operation.
  • the jaws of the matrix can both be mobile or one can be fixed.
  • FIG. 1 shows a device 1 for packaging and application comprising a receptacle 2 containing a product P to be applied, for example a nail polish, and an applicator 3 comprising a rod 4 carrying at one end an organ application 6 and engaged at a second end 8 in a gripping member 9 which is also, in the example, a closure cap of the container 2, which can be screwed thereon.
  • a receptacle 2 containing a product P to be applied, for example a nail polish
  • an applicator 3 comprising a rod 4 carrying at one end an organ application 6 and engaged at a second end 8 in a gripping member 9 which is also, in the example, a closure cap of the container 2, which can be screwed thereon.
  • the rod 4 of the applicator 3 is shown in isolation in FIGS. 2 and 3.
  • the rod 4 comprises at least one stamped portion 10 forming a hinge, in this case two such stamped portions 10 in the illustrated example.
  • each stamped portion 10 has two bosses 11 on two opposite sides of the rod.
  • the rod 4 is thus widened in a first direction of observation perpendicular to its longitudinal axis, as can be seen in FIG.
  • the rod 4 In a second direction of observation perpendicular to the longitudinal axis X and in the first direction, the rod 4 is, on the contrary, thinned, as illustrated in FIG. 3, and forms a hinge favoring the deformation of the rod 4 around a geometric axis of articulation W.
  • Each stamped portion 10 is thus non-symmetrical of revolution, having a smaller flattened cross section, of large axis parallel to the hinge axis W.
  • Each stamped portion 10 may nevertheless be substantially symmetrical with respect to a median plane, containing the longitudinal axis of the rod X and perpendicular to the corresponding hinge axis W.
  • At least one stamped portion 10 may be located, as illustrated, in the lower half of the rod 4, so as to promote the deformation of the rod near the applicator member 6, to give flexibility during the 'application.
  • At least one stamped portion may still be located near the end 8 of the rod, for example in the upper half of the rod.
  • the application member 6 comprises in the example described a tuft of bristles so as to form a brush.
  • the rod 4 has at its first end 5 a housing 23 within which are fixed the bristles, for example by stapling, gluing, melting material or overmolding.
  • the housing 23 has for example a section opening rectangular cross section, elongated along a major axis perpendicular to the longitudinal axis X of the rod 4 and parallel to the hinge pins W.
  • the housing 23 may have, as can be seen in Figures 2 and 3, a cross section which decreases towards the bottom 24 of the housing.
  • the bristles can move away when the brush is applied to the nail, as can be seen in Figure 4. According to the shape given to the housing 23, one can obtain a more or less wide hair bundle.
  • the rod 4 has at its second end 8 a fixing endpiece in the gripping member 9.
  • This endpiece comprises a tubular skirt 27 and a flange 29 made at its base to bear against the upper edge of the neck 28 when the applicator is in place on the container 2.
  • the rod 4 comprises under the flange 29 a conical portion 30 may contribute to sealing the closure of the container 2 when the applicator 3 is in place on the latter.
  • the rod 4 may be attached still further to the gripping member 9, and in particular be made in one piece with it or attached thereto by gluing, welding or force, or by means of a fastening element attached to the gripping member and / or the rod.
  • the rod 4 can be made for example of a thermoplastic material such as a polyolefin, for example polyethylene or polypropylene, or other plastics such as for example POM, PA, PET or PBT.
  • a thermoplastic material such as a polyolefin, for example polyethylene or polypropylene, or other plastics such as for example POM, PA, PET or PBT.
  • each stamped portion 10 allows the adjacent rod sections to pivot relative to each other, as illustrated in FIG. 4, which may result in a smoother application by example.
  • the shape of each stamped portion 10 may optionally be chosen so as to limit the angle of rotation of the adjacent sections. This angle can for example be determined by the length l of the stamped portion, measured between the adjacent sections, as can be seen in FIG. 3, and by the shape of the flanks facing the sections.
  • each stamped portion 10 may tend more or less, by elasticity, depending on the material used to make the rod, to bring back the first end 5 and the applicator member 6 in alignment with the second end 8.
  • the rod may, after application, not return to its original shape.
  • the rod 4 comprises two stamped portions 10.
  • the rod 4 comprises a different number of stamped portions, in particular a single, as illustrated in Figure 7, or more, as shown in Figures 5 and 6.
  • the rod 4 can deform during application almost continuously, each rod portion adjacent to a stamped portion being for example inclined at a relatively low angle compared to the other adjacent section.
  • a stamped portion 10 may have a longitudinal section, of substantially triangular shape over at least a portion of its length, as illustrated in FIG. 8, which may allow, depending on the angle formed between the flanks facing the adjacent rod sections of define a maximum or alternatively substantially rectangular or trapezoidal angle of rotation as shown in Figure 9, which may allow greater pivoting.
  • the length a of the material bridge 13 of a stamped portion 10, measured along the longitudinal axis of the rod, is for example between 0.1 and 25 mm.
  • the minimum thickness b of the material bridge 13 of a stamped portion 10 is, for example, 0.1 mm.
  • the diameter of the circle in which the section of the rod is part, before stamping, is for example less than or equal to about 10 mm.
  • a stamped portion 10 may comprise a material bridge 13 connecting two adjacent sections 14, 15 of rod which is provided with at least one notch 18, as shown in Figure 10, so as to further facilitate pivoting. This notch 18 is advantageously formed during the stamping.
  • the material bridge 13 may for example be placed on the longitudinal axis of the rod X, as illustrated in FIGS. 8 to 10 or, alternatively, be offset relative to the longitudinal axis X, as illustrated in FIG. 11.
  • the material bridge 13 may, in another variant, have a side placed substantially in the extension of the sections 14 and 15 which it connects, as illustrated in FIG. 12, and possibly comprise a slight projection on the opposite side to the recess stamping, as shown in Figure 13.
  • the material bridge 13 may be solid, or, alternatively, include an aperture, made for example by cutting during the stamping operation.
  • Figures 14 and 15 there is shown in Figures 14 and 15 a rod having at least one stamped portion 10 having at least one aperture 16, disposed between two branches 17 connecting the sections 14 and 15. These branches can be straight or not, concentric or not.
  • the rod 4 may comprise all identical die-stamped portions, for example having the same profile when the rod is observed perpendicular to its longitudinal axis X, or stamped portions having the same profile in a first direction perpendicular to the longitudinal axis X and different profiles when observed in a second direction perpendicular to the longitudinal axis X and for example perpendicular to the first.
  • the rod may comprise at least two stamped portions having a different profile regardless of the direction of observation of the rod.
  • the rod may comprise at least two stamped portions 10 having different shapes, as shown in Figure 16, where a stamped portion has a material bridge 13 longer than the other. This may allow for example to further control how the sections tend to rotate relative to each other during use.
  • the illustrated stamped portions are symmetrical with respect to a median plane for the portion and perpendicular to the longitudinal axis X of the rod. It is of course not beyond the scope of the present invention if it is otherwise.
  • FIGS. 17 to 19 illustrate exemplary embodiments of stamped portions extending in a non-symmetrical manner with respect to a plane perpendicular to the longitudinal axis X of the rod.
  • the stamped portion defines a hinge axis W that is not perpendicular to the longitudinal axis X of the adjacent rod section.
  • the stamped portion is substantially trapezoidal, having two asymmetrical bosses 11 disposed on either side of the rod.
  • the rod 4 comprises two stamped portions 10 extending obliquely while being symmetrical to one another with respect to a plane perpendicular to the longitudinal axis X of the rod. .
  • FIGS. 20 and 21 show exemplary embodiments of bent matrix portions.
  • At least one stamped portion may comprise at least one material protrusion located on at least one of the flanks of the adjacent rod sections.
  • FIG. 22 illustrates a rod 4 having a stamped portion 10 connecting two sections 14 and 15 of the rod having on their side 20 two material protrusions 19 located on either side of the bridge. 13. These growths may be used if necessary to limit the pivoting of one section relative to the other and / or act on the flow of the product along the rod during application.
  • the first end 5 of the rod can be made with different cross sections at the housing 23 for receiving the applicator member 6.
  • FIGS. 23 to 31 show various examples of cross section, among others. This may in particular be circular as illustrated in FIG. 23, oblong as illustrated in FIG. 24, in particular oval or elliptical, polygonal as illustrated in FIGS. 25 and 26, in particular square or rectangular, kidney shaped as illustrated in FIG. 27, starred as shown in Figure 28 or crenellated as shown in Figure 29.
  • the rod 4 may comprise at least one longitudinal groove 30 opening for example at the mid-length of a large side of the housing containing the bristles, as shown in FIGS. 30 and 31.
  • transverse of the rod is concentric with the cross section of the housing, and the thickness of the rod is substantially constant over the entire circumference of the housing.
  • the bristles of the applicator member 6 can be very diverse in nature and it is possible in particular to use bristles having one of the cross-sections illustrated in FIGS. 37 to 43, for example a solid cross section with a circular contour. as shown in FIG. 37, a hollow cross-section, for example a circular contour as illustrated in FIG. 38, a polygonal cross-section, for example square, as illustrated in FIG. 39, triangular as illustrated in FIG. 40, rectangular as illustrated in Figure 41 or an oblong cross section, for example of elliptical contour as shown in Figure 42.
  • the bristles may also include at least one capillary groove, as shown in Figure 43.
  • the bundle of bristles may comprise a mixture of bristles, as indicated above.
  • the bundle of bristles 6 can be given any shape, for example by cutting the bundle while the bristles are in place on the rod.
  • the free end of the bristles may be cut so that the end of the applicator is rectilinear, as illustrated in FIG. 32, being perpendicular to the axis of the rod 4, or having a curved, concave shape as illustrated in FIG. 33 or convex as illustrated in Figure 34, beveled as shown in Figure 35, or cut tip as shown in Figure 36.
  • the invention is not limited to an applicator member 6 constituted by a bundle of bristles, and the applicator member may for example be constituted by a flocked tip, as shown in FIG. a flocked tip, as shown in Figure 44.
  • the latter may for example be intended for the application of product on the skin, mucous membranes or integuments, for example lips, eyelids or nails.
  • the applicator member 6 can also be constituted by any other applicator member such as, for example, a foam, a brush, a felt, a comb, a capillary applicator, possibly made in one piece with the first end. 5 of the rod 4, or reported therein, depending on the nature of the product and the surface to be treated.
  • any other applicator member such as, for example, a foam, a brush, a felt, a comb, a capillary applicator, possibly made in one piece with the first end. 5 of the rod 4, or reported therein, depending on the nature of the product and the surface to be treated.
  • the gripping member can be realized with a shape leading the user to grip it in a predetermined manner, in connection with the orientation of the cross section of the stamped portion 10.
  • the gripping member may in particular comprise on two opposite sides of each other recesses 33 or flats for receiving the fingers of the user, as shown in FIG. 46.
  • the one or more stamped portions 10 and the gripping member may have generally flattened shapes in a same plane substantially parallel to at least one of the hinge axes W, the rod 4 being able to deform perpendicularly to this plane.
  • the device is devoid of wiper member, and the applicator member 6 may for example be wrung on the neck 28 of the container 2 when the applicator 3 is removed from the container.
  • the device may comprise a wiper member 34 disposed in the neck 28 of the container 2.
  • This wiper member 34 may, for example, comprise a passage orifice for the application member. 6, of diameter substantially equal to the diameter of the rod 4.
  • the applicator which has just been described can be manufactured by means of a matrix 40 comprising two jaws 41 and 42, movable with respect to each other and able to move closer to stamp the rod, as shown in FIG. 48.
  • FIG. 49 shows schematically the rod received in the fixed lower jaw 42, comprising a recess 43.
  • the upper jaw 41 comprises a protuberance 44 having for example the profile that is to be made hollow on the rod, as illustrated schematically in FIG. 49.
  • the area of the lower jaw 42 on which the movable jaw 41 is carried is flat.
  • the jaw 42 may also include a protrusion 44, as shown in Figure 50.
  • the jaws 41 and 42 may be configured to impart to the rod, during stamping, a non-rectilinear shape.
  • the jaws 41 and 42 may be for example, as illustrated in Figure 51, of generally curved shape, one being concave and the other convex.
  • the rod may already be provided with the applicator member during the stamping operation.
  • the establishment of the application member can thus be performed more easily, on a straight rod and relatively rigid.
  • the invention is not limited to the embodiments which have just been described. In particular, it is possible to combine characteristics of the various embodiments with one another.

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  • Closures For Containers (AREA)
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Abstract

The applicator has a rod with stamped portions forming articulations, and an application unit (6) arranged at an end (5) of the rod, where the rod is previously provided with the unit during a stamping operation. The unit has a tuft of bristles, a felt and a flocking or foam covering. One of the portions is arranged in the lower half of the rod in order to deform the rod near the unit. The rod is formed of a thermoplastic material and has another end (8) with a fixing tip in a gripping unit (9). Independent claims are also included for the following: (1) a cosmetic product packing and application device having an applicator (2) a method for fabricating an applicator (3) a machine for fabricating a cosmetic product applicator.

Description

La présente invention concerne les applicateurs de produit cosmétique ou dermatologique, par exemple de maquillage ou de soin, notamment un produit tel qu'un vernis à ongles, et les dispositifs de conditionnement et d'application comportant de tels applicateurs.The present invention relates to the applicators of cosmetic or dermatological product, for example makeup or care, including a product such as a nail polish, and packaging and application devices comprising such applicators.

De nombreux applicateurs comportent un organe d'application, par exemple un faisceau de poils, fixé à l'extrémité d'une tige pour l'application du produit sur une surface du corps humain, notamment la peau, les lèvres ou les phanères, par exemple les ongles des mains ou des pieds.Many applicators comprise an applicator member, for example a bundle of bristles, attached to the end of a rod for the application of the product to a surface of the human body, in particular the skin, the lips or the integuments, for example. for example, fingernails or feet.

On connaît par les demandes de brevet français FR-A-2 722 380 et FR-A-2 722 381 des applicateurs dont la tige présente une flexibilité voisine de celle de l'organe d'application, la tige étant sur une grande partie de sa longueur de plus faible section que le reste de la tige.Patent applications are known French FR-A-2,722,380 and FR-A-2,722,381 applicators whose rod has a flexibility close to that of the applicator member, the rod being over a large part of its length of smaller section than the rest of the rod.

Des tiges de ce type peuvent être moulées. Il peut être nécessaire pour chaque type d'applicateur de modifier la longueur de la partie de plus faible section, ce qui peut amener à réaliser plusieurs moules et entraîner des frais correspondants relativement élevés.Stems of this type can be molded. It may be necessary for each type of applicator to change the length of the part of smaller section, which may lead to several molds and lead to relatively high costs.

On connaît par la demande de brevet EP-A-1 504 691 un applicateur comportant une tige ayant une partie flexible à mémoire de forme et une moitié inférieure sensiblement non flexible.It is known from the patent application EP-A-1,504,691 an applicator having a shaft having a shape memory flexible portion and a substantially non-flexible bottom half.

La fixation de l'organe d'application dans une tige flexible, par exemple l'implantation dans la tige d'un faisceau de poils, d'un embout floqué, d'un feutre ou d'une mousse, peut être rendue plus difficile par le fait que la tige peut se plier plus facilement. Pour éviter ce problème, il est possible de maintenir la tige lors de l'opération, mais cela complique le montage.Fixing the applicator member in a flexible rod, for example the implantation in the rod of a bundle of bristles, a flocked tip, a felt or a foam, can be made more difficult in that the stem can bend more easily. To avoid this problem, it is possible to maintain the rod during the operation, but this complicates the assembly.

Il existe un besoin pour disposer d'un applicateur permettant d'obtenir un maquillage précis tout en étant confortable à utiliser.There is a need for an applicator to achieve accurate makeup while being comfortable to use.

Il existe également un besoin pour faciliter la fabrication d'un applicateur ayant des caractéristiques de déformabilité de la tige souhaitées tout en évitant l'utilisation de moules coûteux.There is also a need to facilitate the manufacture of an applicator having desired deformability characteristics of the rod while avoiding the use of expensive molds.

Il existe encore un besoin pour permettre une implantation aisée de l'organe d'application dans la tige.There is still a need to allow easy implantation of the applicator member in the stem.

La présente invention vise notamment à répondre à tout ou partie de ces besoins.The present invention aims in particular to meet all or part of these needs.

Elle y parvient grâce à un applicateur de produit cosmétique ou dermatologique, comportant :

  • une tige comportant au moins une portion matricée formant une articulation, et
  • un organe d'application disposé à une première extrémité de la tige.
It achieves this through a cosmetic or dermatological product applicator, comprising:
  • a rod comprising at least one stamped portion forming a joint, and
  • an applicator member disposed at a first end of the rod.

Par « portion matricée », il faut comprendre une portion de la tige déformée à chaud ou à froid en étant soumise à la pression d'une matrice. La tige de l'applicateur peut avantageusement être déformée une fois moulée et extraite du moule utilisé pour son moulage.By "stamped portion", it is necessary to understand a portion of the stem deformed hot or cold while being subjected to the pressure of a matrix. The rod of the applicator can advantageously be deformed once molded and extracted from the mold used for its molding.

Il est ainsi possible d'utiliser des tiges standards sans qu'il soit nécessaire de réaliser des moules spécifiques.It is thus possible to use standard rods without the need to produce specific molds.

Le matériau de la tige flue sous la pression de la matrice. Cette dernière peut être configurée, le cas échéant, de manière à orienter la déformation engendrée par le fluage afin de former un relief permettant de réguler l'écoulement du produit le long de la tige.The material of the stem flows under the pressure of the matrix. The latter can be configured, if necessary, so as to guide the deformation generated by the creep to form a relief for regulating the flow of the product along the rod.

La portion matricée peut conserver sensiblement la déformation acquise durant le matriçage sans revenir à sa forme initiale pendant la durée de vie de l'applicateur.The stamped portion can substantially retain the deformation acquired during the stamping without returning to its original shape during the life of the applicator.

Lors du matriçage, l'épaisseur de la tige est par exemple réduite, selon la flexibilité recherchée et la nature de la tige, d'au moins 50 %, voire par exemple d'au moins 97 %, dans la direction d'application de la pression destinée à faire fluer la matière.During stamping, the thickness of the rod is for example reduced, according to the desired flexibility and the nature of the rod, by at least 50%, or even for example by at least 97%, in the direction of application of the rod. the pressure to make the material flow.

L'épaisseur de la tige avant fluage est par exemple de 3,5 mm et l'épaisseur minimale de la portion matricée est par exemple inférieure ou égale à 0,1 mm, ces valeurs n'étant nullement limitatives de l'invention.The thickness of the rod before creep is for example 3.5 mm and the minimum thickness of the stamped portion is for example less than or equal to 0.1 mm, these values being in no way limiting of the invention.

L'articulation peut permettre de créer une charnière et/ou une zone de faiblesse permettant à deux tronçons de tige adjacentes de changer d'orientation l'un relativement à l'autre. La portion matricée formant articulation ne sert pas à la fixation de l'organe d'application sur la tige.The joint can create a hinge and / or weakness zone allowing two adjacent rod sections to change orientation relative to each other. The stamped portion forming articulation is not used for fixing the applicator member on the rod.

L'invention permet de créer une grande variété de tiges ayant au moins une articulation, sans nécessiter la fabrication de moules spécifiques. On peut ainsi donner à la tige, au moins lors de l'utilisation, une forme non rectiligne.The invention makes it possible to create a large variety of rods having at least one joint, without requiring the manufacture of specific molds. It is thus possible to give the rod, at least during use, a non-rectilinear shape.

L'invention peut permettre de réduire la pression de l'organe d'application sur la surface traitée, grâce à la déformation de la tige. L'applicateur peut permettre à l'utilisateur d'avoir lors de l'application une meilleure gestuelle, plus souple, plus confortable ou plus précise.The invention can reduce the pressure of the applicator member on the treated surface, thanks to the deformation of the rod. The applicator can allow the user to have during the application a better gesture, more flexible, more comfortable or more precise.

La tige peut comporter au moins un bossage venu du matriçage et formant saillie latéralement sur la tige.The rod may comprise at least one boss coming from the stamping and projecting laterally on the rod.

La tige peut comporter au moins deux portions matricées formant chacune une articulation, voire trois ou plus encore, ces portions matricées étant par exemple réalisées simultanément avec une même matrice ou successivement en déplaçant la tige relativement à la matrice.The rod may comprise at least two stamped portions each forming a hinge, or even three or more, these stamped portions being for example made simultaneously with the same matrix or successively by moving the rod relative to the matrix.

La ou chaque portion matricée peut être non symétrique de révolution, afin de favoriser la création d'une articulation autour d'un axe d'articulation prédéfini. La portion matricée peut notamment comporter un pont de matière présentant une forme aplatie en section transversale.The or each stamped portion may be non-symmetrical of revolution, to promote the creation of a hinge about a predefined hinge axis. The stamped portion may in particular comprise a material bridge having a flattened shape in cross section.

L'applicateur peut être symétrique par rapport à un plan médian, notamment un plan perpendiculaire à un axe d'articulation défini par une portion matricée. Au moins une portion matricée peut être située dans la moitié inférieure de la tige.The applicator may be symmetrical with respect to a median plane, in particular a plane perpendicular to a hinge axis defined by a stamped portion. At least one stamped portion may be located in the lower half of the rod.

La tige peut comporter au moins une portion matricée comportant au moins un ajour, notamment au moins un ajour disposé entre deux branches reliant des tronçons de la tige situés de part et d'autre de la portion matricée. Un tel ajour est par exemple formé lors de l'opération de matriçage, par découpe.The rod may comprise at least one stamped portion comprising at least one aperture, in particular at least one aperture arranged between two branches connecting sections of the rod located on either side of the stamped portion. Such ajour is for example formed during the stamping operation, by cutting.

De préférence, le fond de la ou de chaque portion matricée s'étend sensiblement perpendiculairement à l'axe longitudinal de la tige. En variante, le fond d'au moins une portion matricée s'étend non perpendiculairement à l'axe longitudinal de la tige, l'orientation de la ou des portions matricées étant choisie en fonction de la manière dont on souhaite que la tige se déforme. La tige peut par exemple comporter au moins deux portions s'étendant selon des lignes non parallèles.Preferably, the bottom of the or each stamped portion extends substantially perpendicular to the longitudinal axis of the rod. In a variant, the bottom of at least one stamped portion extends non-perpendicularly to the longitudinal axis of the rod, the orientation of the stamped portion or portions being chosen according to the manner in which it is desired for the rod to deform . The rod may for example comprise at least two portions extending in non-parallel lines.

La tige peut comporter au moins deux portions matricées ayant des formes différentes, car résultant par exemple de l'application de deux matrices de formes différentes ou d'une même matrice mais avec des pressions différentes et/ou sur des régions de la tige ayant des formes et/ou des orientations initiales différentes.The rod may comprise at least two stamped portions having different shapes, for example resulting from the application of two form matrices different or of the same matrix but with different pressures and / or on regions of the stem having different shapes and / or different initial orientations.

La tige peut comporter au moins deux portions matricées de même forme, provenant par exemple de l'emploi d'une même matrice.The rod may comprise at least two stamped portions of the same shape, for example from the use of the same matrix.

La tige peut comporter au moins deux portions matricées ayant même profil lorsque la tige est observée dans une direction perpendiculaire à son axe longitudinal. Les deux portions matricées peuvent être symétriques ou non l'une de l'autre par rapport à un plan, par exemple un plan s'étendant perpendiculairement à l'axe longitudinal de la tige.The rod may comprise at least two stamped portions having the same profile when the rod is observed in a direction perpendicular to its longitudinal axis. The two stamped portions may be symmetrical or non-symmetrical with respect to a plane, for example a plane extending perpendicularly to the longitudinal axis of the rod.

Au moins une portion matricée peut comporter au moins une excroissance de matière située sur au moins un flanc d'un tronçon de tige relié à la portion matricée. Cette excroissance peut être formée lors de l'opération de matriçage en donnant à la matrice une forme correspondante. L'excroissance peut correspondre à une partie de la matière déplacée par le fluage. La tige peut comporter au moins deux flancs situés de part et d'autre de la portion matricée, inclinés par rapport à l'axe longitudinal de la tige, voire sensiblement perpendiculaires à celui-ci. Le cas échéant, la forme de la portion matricée peut être choisie de manière à définir l'angle de pivotement maximal des tronçons de tige adjacents, par venue en butée d'un flanc contre l'autre. La portion matricée peut ainsi être configurée pour limiter la rotation l'un par rapport à l'autre des tronçons de tige situés de part et d'autre de la portion matricée.At least one stamped portion may comprise at least one material protrusion located on at least one side of a rod section connected to the stamped portion. This protrusion can be formed during the stamping operation by giving the die a corresponding shape. The outgrowth may correspond to a part of the material displaced by the creep. The rod may comprise at least two flanks located on either side of the stamped portion, inclined with respect to the longitudinal axis of the rod, or substantially substantially perpendicular to it. Where appropriate, the shape of the stamped portion may be chosen so as to define the maximum pivot angle of the adjacent rod sections, by abutting one flank against the other. The stamped portion can thus be configured to limit the rotation relative to each other of the rod sections located on either side of the stamped portion.

La portion matricée peut s'étendre sur une longueur variable, selon par exemple que l'on souhaite une charnière plus ou moins localisée. La longueur de la portion matricée peut aller par exemple jusqu'à 25 mm, bien qu'une distance inférieure soit préférée dans des exemples de réalisation.The stamped portion may extend over a variable length, depending for example on whether a more or less localized hinge is desired. The length of the stamped portion may be, for example, up to 25 mm, although a smaller distance is preferred in exemplary embodiments.

Au moins une portion matricée peut présenter une section longitudinale de forme générale rectangulaire, triangulaire, ou encore au moins partiellement circulaire, ovale ou elliptique, selon par exemple la forme de la matrice utilisée.At least one stamped portion may have a longitudinal section of generally rectangular, triangular, or at least partially circular, oval or elliptical, for example according to the shape of the matrix used.

La tige peut avoir une section transversale de forme choisie dans la liste suivante : circulaire, non circulaire, oblongue, ovale, elliptique, polygonale, carrée, rectangulaire, réniforme, crénelée, en forme d'étoile, et avec le cas échéant une ou plusieurs gorges. La tige peut présenter, avant matriçage, une section transversale constante ou non, et être pleine ou creuse, sur toute sa longueur ou par portions par exemple. La tige peut par exemple être pleine dans une portion matricée formant articulation et être creuse ailleurs. Le diamètre de la tige est par exemple inférieur à 10 mm environ.The stem may have a shape cross-section selected from the following list: circular, non-circular, oblong, oval, elliptical, polygonal, square, rectangular, kidney-shaped, crenellated, star-shaped, and where appropriate one or more gorges. The rod may have, before stamping, a constant cross section or not, and be full or hollow, along its length or portions, for example. The rod may for example be full in a stamped portion forming articulation and be hollow elsewhere. The diameter of the rod is for example less than about 10 mm.

La tige peut être réalisée dans un matériau thermoplastique, notamment l'un des matériaux choisis dans le groupe constitué par : PEHD, PEBD, PE linéaire, PP, POM, PA, PET, PBT, ou un mélange de ces matériaux. Le PE linéaire peut apporter une meilleure résistance à la pression et aux forces exercées lors du matriçage.The rod may be made of a thermoplastic material, in particular one of the materials selected from the group consisting of: HDPE, LDPE, linear PE, PP, POM, PA, PET, PBT, or a mixture of these materials. Linear PE can provide better resistance to pressure and the forces exerted during stamping.

L'organe d'application peut comporter l'un au moins des éléments suivants : faisceau de poils, notamment formant un pinceau, peigne, brosse, feutre, revêtement de flocage ou mousse. L'organe d'application peut par exemple comporter un embout floqué, par exemple une pointe floquée.The applicator member may comprise at least one of the following elements: bundle of bristles, in particular forming a brush, comb, brush, felt, flocking coating or foam. The applicator member may for example comprise a flocked tip, for example a flocked tip.

Lorsque l'organe d'application comporte un faisceau de poils, au moins deux poils du faisceau peuvent comporter chacun au moins un motif périodique présentant au moins une ondulation, au moins deux motifs périodiques étant différents. L'expression «motif périodique» désigne une partie du poil qui se reproduit sensiblement périodiquement le long de ce dernier.When the applicator member comprises a bundle of bristles, at least two hairs of the bundle may each comprise at least one periodic pattern having at least one undulation, at least two periodic patterns being different. The term "periodic pattern" refers to a portion of the hair which reproduces substantially periodically along the hair.

Le faisceau de poils peut comporter au moins deux poils de longueurs et/ou diamètres et/ou sections et/ou matériaux différents.The bundle of bristles may comprise at least two hairs of different lengths and / or diameters and / or sections and / or materials.

Les poils peuvent être en matière synthétique, étant réalisés par exemple dans une matière thermoplastique, notamment thermoplastique élastomère. Au moins un poil peut être dans une matière naturelle.The bristles may be made of synthetic material, for example made of a thermoplastic material, in particular thermoplastic elastomer. At least one hair can be in a natural material.

Les poils peuvent présenter une section transversale pleine ou creuse, circulaire ou non, les sections transversales étant constantes ou non le long des poils, passant par exemple alternativement par des sections de grand et de petit diamètres. Les poils peuvent éventuellement comporter un revêtement de flocage.The bristles may have a solid or hollow cross section, circular or not, the cross sections being constant or not along the bristles, passing for example alternately by sections of large and small diameters. The bristles may optionally comprise a flocking coating.

Les poils peuvent également comporter, sur toute leur longueur, ou sur une partie seulement de celle-ci, une charge, par exemple d'un composé magnétique, d'un composé absorbeur d'humidité, d'un composé destiné à créer à la surface du poil une rugosité ou encore à favoriser le glissement. Cette charge peut être répartie de façon à créer un motif périodique.The bristles may also comprise, over their entire length, or only a part thereof, a filler, for example a magnetic compound, a moisture-absorbing compound, a compound intended to create the hair surface roughness or to promote sliding. This charge can be divided to create a periodic pattern.

Le faisceau de poils peut être fixé dans un logement ménagé à la première extrémité de la tige, les poils pouvant notamment être fixés dans le logement par collage, agrafage, matriçage de la tige, fusion ou surmoulage. Le logement peut présenter une section transversale oblongue, allongée selon un axe de plus grande longueur, afin de former un faisceau plat. L'axe de plus grande longueur de la section du logement est par exemple sensiblement parallèle à un axe d'articulation défini par une portion matricée.The bundle of bristles can be fixed in a housing provided at the first end of the rod, the bristles being able to be fixed in the housing by gluing, stapling, stamping the rod, melting or overmolding. The dwelling may have a oblong transverse section, elongated along an axis of greater length, to form a flat beam. The axis of greater length of the section of the housing is for example substantially parallel to an axis of articulation defined by a stamped portion.

Le logement peut présenter une section transversale diminuant en rapprochement de son fond, cette diminution pouvant s'effectuer selon la divergence souhaitée pour les poils. Le fond du logement peut comporter un renfoncement dans lequel les poils sont fixés et qui débouche dans une partie du logement s'évasant en direction de l'ouverture de celui-ci, cette partie évasée permettant aux poils de s'écarter plus facilement les uns des autres pour conférer au faisceau une forme élargie.The housing may have a cross section decreasing closer to its bottom, this reduction being effected according to the desired divergence for the bristles. The bottom of the housing may comprise a recess in which the bristles are fixed and which opens into a part of the housing flaring towards the opening thereof, this flared portion allowing the bristles to move away more easily. others to give the beam an expanded form.

Le logement peut être agencé de telle sorte que les poils s'étendent à l'extérieur du logement sur une distance supérieure à la profondeur du logement.The housing may be arranged such that the bristles extend outside the housing a distance greater than the depth of the housing.

La tige et l'organe d'application peuvent en variante être réalisés d'une seule pièce, notamment par moulage par injection ou bi-injection.The rod and the applicator member may alternatively be made in one piece, in particular by injection molding or bi-injection molding.

La tige peut encore être surmoulée sur l'organe d'application.The rod can still be overmolded on the applicator member.

L'applicateur peut comporter un organe de préhension fixé à une deuxième extrémité de la tige, opposée à la première. L'organe de préhension de l'applicateur peut constituer également un capuchon de fermeture d'un récipient contenant le produit à appliquer.The applicator may comprise a gripping member attached to a second end of the rod, opposite to the first. The gripping member of the applicator may also constitute a closure cap of a container containing the product to be applied.

La tige peut comporter à sa deuxième extrémité, opposée à la première, un organe de fixation sur l'organe de préhension. L'organe de fixation peut comporter un embout destiné à être inséré à force et/ou encliqueté dans l'organe de préhension. L'embout peut comporter une jupe tubulaire avec une collerette à sa base. La collerette peut être configurée pour venir en appui contre la surface supérieure du col d'un récipient contenant le produit, assurant par exemple l'étanchéité de la fermeture du récipient. En variante, l'étanchéité de la fermeture du récipient peut être assurée par d'autres moyens.The rod may comprise at its second end, opposite to the first, a fixing member on the gripping member. The fixing member may comprise a tip intended to be inserted by force and / or snapped into the gripping member. The tip may include a tubular skirt with a collar at its base. The flange may be configured to bear against the upper surface of the neck of a container containing the product, ensuring for example the sealing of the closure of the container. Alternatively, the sealing of the closure of the container can be provided by other means.

L'organe de préhension peut comporter des moyens de fixation sur un récipient, par exemple un filetage.The gripping member may comprise fixing means on a container, for example a thread.

L'organe de préhension peut avoir une forme non symétrique de révolution favorisant la préhension de l'applicateur avec une orientation prédéfinie. L'organe de préhension peut comporter au moins une zone de réception d'un doigt, notamment un méplat ou une alvéole s'étendant sensiblement parallèlement à un axe d'articulation défini par une portion matricée.The gripping member may have a non-symmetrical shape of revolution favoring the gripping of the applicator with a predefined orientation. The gripping member may comprise at least one receiving zone of a finger, in particular a flat or a cell extending substantially parallel to a hinge axis defined by a stamped portion.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, un dispositif de conditionnement et d'application d'un produit cosmétique, comportant un applicateur tel que défini plus haut et un récipient contenant le produit à appliquer.The invention further relates, independently or in combination with the foregoing, to a device for packaging and applying a cosmetic product, comprising an applicator as defined above and a container containing the product to be applied.

Ce dernier peut être un produit à appliquer sur les ongles, par exemple un vernis à ongles ou un produit de soin pour les ongles. Le produit peut en variante être un eye-liner, une ombre à paupières ou un produit pour les lèvres, par exemple un rouge à lèvres ou un gloss.The latter may be a product to be applied to the nails, for example a nail polish or a care product for the nails. The product may alternatively be an eyeliner, an eye shadow or a lip product, for example a lipstick or a gloss.

Le dispositif peut en outre comporter un organe d'essorage pour essorer l'organe d'application à sa sortie du récipient.The device may further comprise a dewatering member for dewatering the applicator member when it leaves the container.

Le dispositif comporte avantageusement des moyens pour assurer la fermeture étanche du récipient.The device advantageously comprises means for sealing the container.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, un procédé de fabrication d'un applicateur tel que défini plus haut, comportant l'étape suivante : matricer au moins une portion d'une tige comportant un organe d'application pour former au moins une articulation.The subject of the invention is also, independently or in combination with the foregoing, a method of manufacturing an applicator as defined above, comprising the step of: stamping at least a portion of a rod comprising a d application for forming at least one joint.

On peut matricer la portion de la tige à température ambiante, c'est-à-dire à froid, sans chauffage particulier, ou en variante à chaud.We can stamp the portion of the rod at room temperature, that is to say cold, without special heating, or alternatively hot.

Plusieurs portions matricées peuvent être formées simultanément. En variante, plusieurs portions de la tige peuvent être matricées successivement, par exemple en utilisant la même matrice, avec un déplacement relatif de la tige et de la matrice entre les opérations de matriçage.Several stamped portions may be formed simultaneously. Alternatively, several portions of the rod may be successively die-cast, for example using the same die, with relative movement of the rod and die between the die-in operations.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, une machine de fabrication agencée pour recevoir une tige et une matrice pour matricer la tige afin de former une articulation sur la tige.The invention further relates, independently or in combination with the foregoing, to a manufacturing machine arranged to receive a rod and a die for stamping the rod to form a hinge on the rod.

La tige peut avoir été munie d'un organe d'application préalablement à l'opération de matriçage. La matrice peut comporter un logement adapté à recevoir et maintenir la tige lors de l'opération de matriçage. Les mâchoires de la matrice peuvent être toutes les deux mobiles ou l'une peut être fixe.The rod may have been provided with an applicator member prior to the stamping operation. The matrix may comprise a housing adapted to receive and hold the rod during the stamping operation. The jaws of the matrix can both be mobile or one can be fixed.

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

  • la figure 1 est une vue schématique, en coupe axiale longitudinale, d'un dispositif pour l'application d'un produit sur les ongles,
  • les figures 2 et 3 représentent de manière schématique, en coupe axiale partielle, la tige et l'organe d'application du dispositif de la figure 1,
  • la figure 4 illustre de manière schématique, en coupe axiale partielle, l'utilisation de l'applicateur de la figure 1,
  • la figure 5 représente à échelle agrandie un détail d'une variante de réalisation de la tige,
  • la figure 6 est une vue de côté, partielle, de l'applicateur de la figure 5,
  • la figure 7 est une vue analogue à la figure 2 d'une variante de mise en oeuvre de l'invention,
  • les figures 8 à 14 et 16 à 21 sont des vues, schématiques, analogues à la figure 5, de variantes de réalisation de la tige,
  • la figure 15 est une coupe longitudinale selon XV-XV de l'applicateur de la figure 14,
  • la figure 22 est une vue schématique et partielle, en perspective, d'une variante de réalisation de la tige,
  • les figures 23 à 31 représentent en coupe transversale des exemples de sections de la tige au niveau de l'organe d'application,
  • les figures 32 à 36 illustrent de manière schématique des variantes de réalisation d'organes d'application,
  • les figures 37 à 43 représentent, de manière schématique, des exemples de sections transversales de poils pouvant former l'organe d'application,
  • la figure 44 représente de manière schématique et partielle, en coupe longitudinale, une variante de réalisation de l'organe d'application,
  • la figure 45 illustre une variante de réalisation d'organe d'application,
  • la figure 46 représente de manière schématique, en perspective, une autre variante de réalisation de l'applicateur,
  • la figure 47 est une coupe longitudinale partielle, d'une autre variante de réalisation, et
  • les figures 48 à 51 illustrent des exemples de réalisation de matrices permettant de déformer la tige d'un applicateur conforme à l'invention.
The invention will be better understood on reading the following detailed description, non-limiting examples of implementation thereof, and on examining the appended drawing, in which:
  • FIG. 1 is a diagrammatic view, in longitudinal axial section, of a device for applying a product to the nails,
  • FIGS. 2 and 3 show schematically, in partial axial section, the rod and the applicator member of the device of FIG.
  • FIG. 4 schematically illustrates, in partial axial section, the use of the applicator of FIG.
  • FIG. 5 represents on an enlarged scale a detail of an embodiment variant of the rod,
  • FIG. 6 is a partial side view of the applicator of FIG. 5;
  • FIG. 7 is a view similar to FIG. 2 of an alternative embodiment of the invention,
  • FIGS. 8 to 14 and 16 to 21 are schematic views, similar to FIG. 5, of alternative embodiments of the rod,
  • FIG. 15 is a longitudinal section along XV-XV of the applicator of FIG. 14,
  • FIG. 22 is a schematic partial view, in perspective, of an embodiment variant of the rod,
  • FIGS. 23 to 31 show, in cross-section, examples of sections of the rod at the level of the applicator member,
  • FIGS. 32 to 36 schematically illustrate variant embodiments of application members,
  • FIGS. 37 to 43 show schematically examples of transverse sections of bristles that can form the applicator member;
  • FIG. 44 schematically and partially shows, in longitudinal section, an alternative embodiment of the applicator member;
  • FIG. 45 illustrates an embodiment variant of an application member,
  • FIG. 46 schematically represents, in perspective, another variant embodiment of the applicator,
  • FIG. 47 is a partial longitudinal section, of another embodiment variant, and
  • FIGS. 48 to 51 illustrate exemplary embodiments of dies for deforming the rod of an applicator according to the invention.

On a représenté à la figure 1 un dispositif 1 de conditionnement et d'application comportant un récipient 2 contenant un produit P à appliquer, par exemple un vernis à ongles, et un applicateur 3 comprenant une tige 4 portant à une première extrémité 5 un organe d'application 6 et engagée à une deuxième extrémité 8 dans un organe de préhension 9 qui constitue également, dans l'exemple considéré, un capuchon de fermeture du récipient 2, pouvant se visser sur celui-ci.FIG. 1 shows a device 1 for packaging and application comprising a receptacle 2 containing a product P to be applied, for example a nail polish, and an applicator 3 comprising a rod 4 carrying at one end an organ application 6 and engaged at a second end 8 in a gripping member 9 which is also, in the example, a closure cap of the container 2, which can be screwed thereon.

La tige 4 de l'applicateur 3 est représentée isolément aux figures 2 et 3.The rod 4 of the applicator 3 is shown in isolation in FIGS. 2 and 3.

Conformément à un aspect de l'invention, la tige 4 comporte au moins une portion matricée 10 formant une articulation, en l'espèce deux telles portions matricées 10 dans l'exemple illustré.According to one aspect of the invention, the rod 4 comprises at least one stamped portion 10 forming a hinge, in this case two such stamped portions 10 in the illustrated example.

Dans l'exemple considéré, chaque portion matricée 10 comporte deux bossages 11 sur deux côtés opposés de la tige. La tige 4 est ainsi élargie dans une première direction d'observation perpendiculaire à son axe longitudinal, comme on peut le voir sur la figure 2.In the example considered, each stamped portion 10 has two bosses 11 on two opposite sides of the rod. The rod 4 is thus widened in a first direction of observation perpendicular to its longitudinal axis, as can be seen in FIG.

Dans une deuxième direction d'observation perpendiculaire à l'axe longitudinal X et à la première direction, la tige 4 est au contraire amincie, comme illustré à la figure 3, et forme une articulation favorisant la déformation de la tige 4 autour d'un axe géométrique d'articulation W.In a second direction of observation perpendicular to the longitudinal axis X and in the first direction, the rod 4 is, on the contrary, thinned, as illustrated in FIG. 3, and forms a hinge favoring the deformation of the rod 4 around a geometric axis of articulation W.

Chaque portion matricée 10 est ainsi non symétrique de révolution, présentant une plus petite section transversale aplatie, de grand axe parallèle à l'axe d'articulation W.Each stamped portion 10 is thus non-symmetrical of revolution, having a smaller flattened cross section, of large axis parallel to the hinge axis W.

Chaque portion matricée 10 peut néanmoins être sensiblement symétrique par rapport à un plan médian, contenant l'axe longitudinal de la tige X et perpendiculaire à l'axe d'articulation W correspondant.Each stamped portion 10 may nevertheless be substantially symmetrical with respect to a median plane, containing the longitudinal axis of the rod X and perpendicular to the corresponding hinge axis W.

Au moins une portion matricée 10 peut être située, comme illustré, dans la moitié inférieure de la tige 4, de manière à favoriser la déformation de la tige à proximité de l'organe d'application 6, pour donner de la souplesse lors de l'application.At least one stamped portion 10 may be located, as illustrated, in the lower half of the rod 4, so as to promote the deformation of the rod near the applicator member 6, to give flexibility during the 'application.

Au moins une portion matricée peut encore être située à proximité de l'extrémité 8 de la tige, par exemple dans la moitié supérieure de la tige.At least one stamped portion may still be located near the end 8 of the rod, for example in the upper half of the rod.

L'organe d'application 6 comporte dans l'exemple décrit une touffe de poils de manière à former un pinceau. La tige 4 comporte à sa première extrémité 5 un logement 23 à l'intérieur duquel sont fixés les poils, par exemple par agrafage, collage, fusion de matière ou surmoulage. Le logement 23 présente par exemple une ouverture de section transversale rectangulaire, de forme allongée selon un grand axe perpendiculaire à l'axe longitudinal X de la tige 4 et parallèle aux axes d'articulation W.The application member 6 comprises in the example described a tuft of bristles so as to form a brush. The rod 4 has at its first end 5 a housing 23 within which are fixed the bristles, for example by stapling, gluing, melting material or overmolding. The housing 23 has for example a section opening rectangular cross section, elongated along a major axis perpendicular to the longitudinal axis X of the rod 4 and parallel to the hinge pins W.

Le logement 23 peut présenter, comme on peut le voir sur les figures 2 et 3, une section transversale qui décroît en direction du fond 24 du logement. Les poils peuvent s'écarter lorsque le pinceau est appliqué sur l'ongle, comme on peut le voir sur la figure 4. Selon la forme donnée au logement 23, on peut obtenir un faisceau de poils plus ou moins large.The housing 23 may have, as can be seen in Figures 2 and 3, a cross section which decreases towards the bottom 24 of the housing. The bristles can move away when the brush is applied to the nail, as can be seen in Figure 4. According to the shape given to the housing 23, one can obtain a more or less wide hair bundle.

La tige 4 comporte à sa deuxième extrémité 8 un embout de fixation dans l'organe de préhension 9. Cet embout comporte une jupe tubulaire 27 et une collerette 29 réalisée à sa base pour venir en appui contre la tranche supérieure du col 28 lorsque l'applicateur est en place sur le récipient 2. La tige 4 comporte sous la collerette 29 une partie conique 30 pouvant contribuer à l'étanchéité de la fermeture du récipient 2 lorsque l'applicateur 3 est en place sur ce dernier.The rod 4 has at its second end 8 a fixing endpiece in the gripping member 9. This endpiece comprises a tubular skirt 27 and a flange 29 made at its base to bear against the upper edge of the neck 28 when the applicator is in place on the container 2. The rod 4 comprises under the flange 29 a conical portion 30 may contribute to sealing the closure of the container 2 when the applicator 3 is in place on the latter.

Bien entendu, la tige 4 peut être fixée autrement encore sur l'organe de préhension 9, et notamment être réalisée d'un seul tenant avec celui-ci ou fixée à celui-ci par collage, soudure ou à force, ou au moyen d'un élément de fixation rapporté sur l'organe de préhension et/ou sur la tige.Of course, the rod 4 may be attached still further to the gripping member 9, and in particular be made in one piece with it or attached thereto by gluing, welding or force, or by means of a fastening element attached to the gripping member and / or the rod.

La tige 4 peut être réalisée par exemple dans une matière thermoplastique telle qu'une polyoléfine, par exemple du polyéthylène ou du polypropylène, ou d'autres matières plastiques telles que par exemple du POM, du PA, du PET ou du PBT.The rod 4 can be made for example of a thermoplastic material such as a polyolefin, for example polyethylene or polypropylene, or other plastics such as for example POM, PA, PET or PBT.

Lors de l'utilisation, au moins une portion matricée 10 permet aux tronçons de tige adjacents de pivoter l'un par rapport à l'autre, comme illustré sur la figure 4, ce qui peut permettre d'obtenir une application plus douce, par exemple. La forme de chaque portion matricée 10 peut le cas échéant être choisie de façon à limiter l'angle de rotation des tronçons adjacents. Cet angle peut par exemple être déterminé par la longueur l de la portion matricée, mesurée entre les tronçons adjacents, comme on peut le voir sur la figure 3, et par la forme des flancs en regard des tronçons.In use, at least one stamped portion 10 allows the adjacent rod sections to pivot relative to each other, as illustrated in FIG. 4, which may result in a smoother application by example. The shape of each stamped portion 10 may optionally be chosen so as to limit the angle of rotation of the adjacent sections. This angle can for example be determined by the length l of the stamped portion, measured between the adjacent sections, as can be seen in FIG. 3, and by the shape of the flanks facing the sections.

Lorsque l'utilisateur cesse d'appliquer l'organe d'application 6 sur la surface à traiter, chaque portion matricée 10 peut tendre plus ou moins, par élasticité, selon la matière utilisée pour réaliser la tige, à ramener la première extrémité 5 et l'organe d'application 6 dans l'alignement de la deuxième extrémité 8.When the user stops applying the applicator member 6 on the surface to be treated, each stamped portion 10 may tend more or less, by elasticity, depending on the material used to make the rod, to bring back the first end 5 and the applicator member 6 in alignment with the second end 8.

En variante, la tige peut, après l'application, ne pas reprendre sa forme initiale.In a variant, the rod may, after application, not return to its original shape.

Dans l'exemple illustré aux figures 1 à 4, la tige 4 comporte deux portions matricées 10. Bien entendu, on ne sort pas du cadre de la présente invention si la tige 4 comporte un nombre différent de portions matricées, notamment une seule, comme illustré à la figure 7, ou plus, comme illustré aux figures 5 et 6.In the example illustrated in FIGS. 1 to 4, the rod 4 comprises two stamped portions 10. Of course, it is not beyond the scope of the present invention if the rod 4 comprises a different number of stamped portions, in particular a single, as illustrated in Figure 7, or more, as shown in Figures 5 and 6.

Dans le cas où la tige 4 comporte un grand nombre de portions matricées, la tige 4 peut se déformer lors de l'application de manière presque continue, chaque tronçon de tige adjacent à une portion matricée étant par exemple incliné d'un angle relativement faible par rapport à l'autre tronçon adjacent.In the case where the rod 4 has a large number of stamped portions, the rod 4 can deform during application almost continuously, each rod portion adjacent to a stamped portion being for example inclined at a relatively low angle compared to the other adjacent section.

Une portion matricée 10 peut présenter une section longitudinale, de forme sensiblement triangulaire sur au moins une partie de sa longueur, comme illustré à la figure 8, ce qui peut permettre selon l'angle formé entre les flancs en regard des tronçons de tige adjacents de définir un angle de pivotement maximal ou en variante de forme sensiblement rectangulaire ou trapézoïdale comme illustré à la figure 9, ce qui peut autoriser un pivotement plus important.A stamped portion 10 may have a longitudinal section, of substantially triangular shape over at least a portion of its length, as illustrated in FIG. 8, which may allow, depending on the angle formed between the flanks facing the adjacent rod sections of define a maximum or alternatively substantially rectangular or trapezoidal angle of rotation as shown in Figure 9, which may allow greater pivoting.

La longueur a du pont de matière 13 d'une portion matricée 10, mesurée selon l'axe longitudinal de la tige, est par exemple comprise entre 0,1 et 25 mm.The length a of the material bridge 13 of a stamped portion 10, measured along the longitudinal axis of the rod, is for example between 0.1 and 25 mm.

L'épaisseur b minimale du pont de matière 13 d'une portion matricée 10 est par exemple de 0,1 mm.The minimum thickness b of the material bridge 13 of a stamped portion 10 is, for example, 0.1 mm.

Le diamètre du cercle dans lequel s'inscrit la section de la tige, avant matriçage, est par exemple inférieur ou égal à 10 mm environ.The diameter of the circle in which the section of the rod is part, before stamping, is for example less than or equal to about 10 mm.

Une portion matricée 10 peut comporter un pont de matière 13 reliant deux tronçons 14, 15 adjacents de tige qui est pourvu d'au moins une entaille 18, comme illustré à la figure 10, de manière à faciliter encore le pivotement. Cette entaille 18 est avantageusement formée lors du matriçage.A stamped portion 10 may comprise a material bridge 13 connecting two adjacent sections 14, 15 of rod which is provided with at least one notch 18, as shown in Figure 10, so as to further facilitate pivoting. This notch 18 is advantageously formed during the stamping.

Le pont de matière 13 peut par exemple être placé sur l'axe longitudinal de la tige X, comme illustré aux figures 8 à 10 ou, en variante, être décalé par rapport à l'axe longitudinal X, comme illustré à la figure 11.The material bridge 13 may for example be placed on the longitudinal axis of the rod X, as illustrated in FIGS. 8 to 10 or, alternatively, be offset relative to the longitudinal axis X, as illustrated in FIG. 11.

Le pont de matière 13 peut, en variante encore, avoir un côté placé sensiblement dans le prolongement des tronçons 14 et 15 qu'il relie, comme illustré à la figure 12, et éventuellement comporter une légère saillie du côté opposé à l'évidement venu du matriçage, comme illustré à la figure 13.The material bridge 13 may, in another variant, have a side placed substantially in the extension of the sections 14 and 15 which it connects, as illustrated in FIG. 12, and possibly comprise a slight projection on the opposite side to the recess stamping, as shown in Figure 13.

Le pont de matière 13 peut être plein, ou, en variante, comporter un ajour, réalisé par exemple par découpe lors de l'opération de matriçage.The material bridge 13 may be solid, or, alternatively, include an aperture, made for example by cutting during the stamping operation.

A titre d'exemple, on a représenté aux figures 14 et 15 une tige comportant au moins une portion matricée 10 comportant au moins un ajour 16, disposé entre deux branches 17 reliant les tronçons 14 et 15. Ces branches peuvent être rectilignes ou non, concentriques ou non.For example, there is shown in Figures 14 and 15 a rod having at least one stamped portion 10 having at least one aperture 16, disposed between two branches 17 connecting the sections 14 and 15. These branches can be straight or not, concentric or not.

La tige 4 peut comporter des portions matricées toutes identiques, par exemple ayant un même profil lorsque la tige est observée perpendiculairement à son axe longitudinal X, ou des portions matricées ayant un même profil dans une première direction perpendiculaire à l'axe longitudinal X et des profils différents lorsqu'observés dans une deuxième direction perpendiculaire à l'axe longitudinal X et par exemple perpendiculaire également à la première. En variante encore, la tige peut comporter au moins deux portions matricées ayant un profil différent quelle que soit la direction d'observation de la tige.The rod 4 may comprise all identical die-stamped portions, for example having the same profile when the rod is observed perpendicular to its longitudinal axis X, or stamped portions having the same profile in a first direction perpendicular to the longitudinal axis X and different profiles when observed in a second direction perpendicular to the longitudinal axis X and for example perpendicular to the first. In another variant, the rod may comprise at least two stamped portions having a different profile regardless of the direction of observation of the rod.

La tige peut comporter au moins deux portions matricées 10 ayant des formes différentes, comme illustré à la figure 16, où une portion matricée comporte un pont de matière 13 plus long que l'autre. Cela peut permettre par exemple de contrôler davantage la manière dont les tronçons ont tendance à pivoter les uns relativement aux autres lors de l'utilisation.The rod may comprise at least two stamped portions 10 having different shapes, as shown in Figure 16, where a stamped portion has a material bridge 13 longer than the other. This may allow for example to further control how the sections tend to rotate relative to each other during use.

Dans tous les exemples de réalisation qui viennent d'être décrits, les portions matricées illustrées sont symétriques par rapport à un plan médian pour la portion et perpendiculaires à l'axe longitudinal X de la tige. On ne sort bien entendu pas du cadre de la présente invention s'il en est autrement.In all the embodiments which have just been described, the illustrated stamped portions are symmetrical with respect to a median plane for the portion and perpendicular to the longitudinal axis X of the rod. It is of course not beyond the scope of the present invention if it is otherwise.

A titre d'exemple, on a illustré aux figures 17 à 19 des exemples de réalisation de portions matricées s'étendant de manière non symétrique par rapport à un plan perpendiculaire à l'axe longitudinal X de la tige.By way of example, FIGS. 17 to 19 illustrate exemplary embodiments of stamped portions extending in a non-symmetrical manner with respect to a plane perpendicular to the longitudinal axis X of the rod.

Dans l'exemple de la figure 17, la portion matricée définit un axe d'articulation W non perpendiculaire à l'axe longitudinal X du tronçon de tige adjacent.In the example of FIG. 17, the stamped portion defines a hinge axis W that is not perpendicular to the longitudinal axis X of the adjacent rod section.

Dans l'exemple de réalisation de la figure 18, la portion matricée est sensiblement trapézoïdale, comportant deux bossages 11 asymétriques disposés de part et d'autre de la tige.In the embodiment of Figure 18, the stamped portion is substantially trapezoidal, having two asymmetrical bosses 11 disposed on either side of the rod.

Dans l'exemple de réalisation illustré à la figure 19, la tige 4 comporte deux portions matricées 10 s'étendant obliquement tout en étant symétriques l'une de l'autre par rapport à un plan perpendiculaire à l'axe longitudinal X de la tige.In the exemplary embodiment illustrated in FIG. 19, the rod 4 comprises two stamped portions 10 extending obliquely while being symmetrical to one another with respect to a plane perpendicular to the longitudinal axis X of the rod. .

Dans les exemples qui viennent d'être décrits, le fond de la ou des portions matricées s'étend selon une ligne rectiligne, par exemple perpendiculaire à l'axe longitudinal de la tige, mais on ne sort pas du cadre de la présente invention s'il en est autrement. A titre d'exemple, on a représenté aux figures 20 et 21 des exemples de réalisation de portions matricées coudées.In the examples which have just been described, the bottom of the stamped portion or portions extends along a rectilinear line, for example perpendicular to the longitudinal axis of the rod, but it is not beyond the scope of the present invention s it is otherwise. By way of example, FIGS. 20 and 21 show exemplary embodiments of bent matrix portions.

Au moins une portion matricée 10 peut comporter au moins une excroissance de matière située sur l'un au moins des flancs des tronçons de tige adjacents.At least one stamped portion may comprise at least one material protrusion located on at least one of the flanks of the adjacent rod sections.

A titre d'exemple, on a illustré à la figure 22 une tige 4 ayant une portion matricée 10 reliant deux tronçons 14 et 15 de la tige comportant sur leur flanc 20 deux excroissances de matière 19 situées de part et d'autre du pont de matière 13. Ces excroissances peuvent le cas échéant servir à limiter le pivotement d'un tronçon relativement à l'autre et/ou agir sur l'écoulement du produit le long de la tige lors de l'application.By way of example, FIG. 22 illustrates a rod 4 having a stamped portion 10 connecting two sections 14 and 15 of the rod having on their side 20 two material protrusions 19 located on either side of the bridge. 13. These growths may be used if necessary to limit the pivoting of one section relative to the other and / or act on the flow of the product along the rod during application.

La première extrémité 5 de la tige peut être réalisée avec différentes sections transversales au niveau du logement 23 destiné à recevoir l'organe d'application 6.The first end 5 of the rod can be made with different cross sections at the housing 23 for receiving the applicator member 6.

On a représenté aux figures 23 à 31 différents exemples de section transversale, parmi d'autres. Celle-ci peut notamment être circulaire comme illustré à la figure 23, oblongue comme illustré à la figure 24, notamment ovale ou elliptique, polygonale comme illustré aux figures 25 et 26, notamment carrée ou rectangulaire, réniforme comme illustré à la figure 27, étoilée comme illustré à la figure 28 ou crénelée comme illustré à la figure 29.FIGS. 23 to 31 show various examples of cross section, among others. This may in particular be circular as illustrated in FIG. 23, oblong as illustrated in FIG. 24, in particular oval or elliptical, polygonal as illustrated in FIGS. 25 and 26, in particular square or rectangular, kidney shaped as illustrated in FIG. 27, starred as shown in Figure 28 or crenellated as shown in Figure 29.

La tige 4 peut comporter au moins une gorge longitudinale 30 débouchant par exemple à mi-longueur d'un grand côté du logement contenant les poils, comme illustré aux figures 30 et 31. Dans l'exemple de réalisation de la figure 31, la section transversale de la tige est concentrique avec la section transversale du logement, et l'épaisseur de la tige est sensiblement constante sur toute la circonférence du logement.The rod 4 may comprise at least one longitudinal groove 30 opening for example at the mid-length of a large side of the housing containing the bristles, as shown in FIGS. 30 and 31. In the embodiment of FIG. transverse of the rod is concentric with the cross section of the housing, and the thickness of the rod is substantially constant over the entire circumference of the housing.

Les poils de l'organe d'application 6 peuvent être de natures très diverses et l'on peut notamment utiliser des poils présentant l'une des sections transversales illustrées aux figures 37 à 43, par exemple une section transversale pleine et de contour circulaire comme représenté sur la figure 37, une section transversale creuse, par exemple de contour circulaire comme illustré sur la figure 38, une section transversale polygonale, par exemple carrée, comme illustré à la figure 39, triangulaire comme illustré à la figure 40, rectangulaire comme illustré à la figure 41 ou encore une section transversale oblongue, par exemple de contour elliptique comme illustré à la figure 42. Les poils peuvent encore comporter au moins une rainure capillaire, comme représenté à la figure 43.The bristles of the applicator member 6 can be very diverse in nature and it is possible in particular to use bristles having one of the cross-sections illustrated in FIGS. 37 to 43, for example a solid cross section with a circular contour. as shown in FIG. 37, a hollow cross-section, for example a circular contour as illustrated in FIG. 38, a polygonal cross-section, for example square, as illustrated in FIG. 39, triangular as illustrated in FIG. 40, rectangular as illustrated in Figure 41 or an oblong cross section, for example of elliptical contour as shown in Figure 42. The bristles may also include at least one capillary groove, as shown in Figure 43.

Le faisceau de poils peut comporter un mélange de poils, comme indiqué plus haut.The bundle of bristles may comprise a mixture of bristles, as indicated above.

On peut donner au faisceau de poils 6 une forme quelconque, par exemple en taillant le faisceau alors que les poils sont en place sur la tige. L'extrémité libre des poils peut être taillée de sorte que l'extrémité de l'applicateur soit rectiligne, comme illustré à la figure 32, étant perpendiculaire à l'axe de la tige 4, ou ayant une forme courbe, concave comme illustré à la figure 33 ou convexe comme illustré à la figure 34, en biseau comme illustré à la figure 35, ou encore taillée en pointe comme illustré à la figure 36.The bundle of bristles 6 can be given any shape, for example by cutting the bundle while the bristles are in place on the rod. The free end of the bristles may be cut so that the end of the applicator is rectilinear, as illustrated in FIG. 32, being perpendicular to the axis of the rod 4, or having a curved, concave shape as illustrated in FIG. 33 or convex as illustrated in Figure 34, beveled as shown in Figure 35, or cut tip as shown in Figure 36.

Bien entendu, l'invention n'est pas limitée à un organe d'application 6 constitué par un faisceau de poils, et l'organe d'application peut par exemple être constitué par un embout floqué, comme illustré à la figure 45, ou une pointe floquée, comme illustré à la figure 44. Cette dernière peut par exemple être destinée à l'application de produit sur la peau, les muqueuses ou les phanères, par exemple les lèvres, les paupières ou les ongles.Of course, the invention is not limited to an applicator member 6 constituted by a bundle of bristles, and the applicator member may for example be constituted by a flocked tip, as shown in FIG. a flocked tip, as shown in Figure 44. The latter may for example be intended for the application of product on the skin, mucous membranes or integuments, for example lips, eyelids or nails.

L'organe d'application 6 peut encore être constitué par tout autre organe d'application tel que par exemple une mousse, une brosse, un feutre, un peigne, un applicateur à capillarité, éventuellement réalisé d'un seul tenant avec la première extrémité 5 de la tige 4, ou rapporté dans celle-ci, en fonction de la nature du produit et de la surface à traiter.The applicator member 6 can also be constituted by any other applicator member such as, for example, a foam, a brush, a felt, a comb, a capillary applicator, possibly made in one piece with the first end. 5 of the rod 4, or reported therein, depending on the nature of the product and the surface to be treated.

Lorsqu'au moins une partie matricée 10 est réalisée avec une section transversale non symétrique de révolution, conférant ainsi à la tige 4 au moins une direction préférentielle de déformation autour d'un axe d'articulation W, l'organe de préhension peut être réalisé avec une forme conduisant l'utilisateur à le saisir d'une manière prédéterminée, en liaison avec l'orientation de la section transversale de la portion matricée 10.When at least one stamped part 10 is made with a non-symmetrical cross section of revolution, thus conferring on the rod 4 at least one preferential direction of deformation about a hinge axis W, the gripping member can be realized with a shape leading the user to grip it in a predetermined manner, in connection with the orientation of the cross section of the stamped portion 10.

L'organe de préhension peut notamment comporter sur deux côtés à l'opposé l'un de l'autre des renfoncements 33 ou des méplats servant à recevoir les doigts de l'utilisateur, comme illustré à la figure 46.The gripping member may in particular comprise on two opposite sides of each other recesses 33 or flats for receiving the fingers of the user, as shown in FIG. 46.

La ou les portions matricées 10 et l'organe de préhension peuvent présenter des formes généralement aplaties selon un même plan sensiblement parallèle à l'un au moins des axes d'articulation W, la tige 4 pouvant se déformer perpendiculairement à ce plan.The one or more stamped portions 10 and the gripping member may have generally flattened shapes in a same plane substantially parallel to at least one of the hinge axes W, the rod 4 being able to deform perpendicularly to this plane.

Dans l'exemple de réalisation de la figure 1, le dispositif est dépourvu d'organe d'essorage, et l'organe d'application 6 peut par exemple être essoré sur le col 28 du récipient 2 lorsque l'applicateur 3 est retiré du récipient.In the embodiment of Figure 1, the device is devoid of wiper member, and the applicator member 6 may for example be wrung on the neck 28 of the container 2 when the applicator 3 is removed from the container.

En variante, comme illustré à la figure 47, le dispositif peut comporter un organe d'essorage 34 disposé dans le col 28 du récipient 2. Cet organe d'essorage 34 peut par exemple comporter un orifice de passage de l'organe d'application 6, de diamètre sensiblement égal au diamètre de la tige 4.As a variant, as illustrated in FIG. 47, the device may comprise a wiper member 34 disposed in the neck 28 of the container 2. This wiper member 34 may, for example, comprise a passage orifice for the application member. 6, of diameter substantially equal to the diameter of the rod 4.

L'applicateur qui vient d'être décrit peut être fabriqué au moyen d'une matrice 40 comportant deux mâchoires 41 et 42, mobiles l'une par rapport à l'autre et pouvant se rapprocher pour matricer la tige, comme représenté à la figure 48.The applicator which has just been described can be manufactured by means of a matrix 40 comprising two jaws 41 and 42, movable with respect to each other and able to move closer to stamp the rod, as shown in FIG. 48.

On a représenté sur cette figure de manière schématique la tige reçue dans la mâchoire inférieure 42, fixe, comportant un renfoncement 43. La mâchoire supérieure 41 comporte une excroissance 44 ayant par exemple le profil que l'on souhaite réaliser en creux sur la tige, comme illustré de manière schématique à la figure 49.This figure shows schematically the rod received in the fixed lower jaw 42, comprising a recess 43. The upper jaw 41 comprises a protuberance 44 having for example the profile that is to be made hollow on the rod, as illustrated schematically in FIG. 49.

Dans l'exemple des figures 48 et 49, la zone de la mâchoire inférieure 42 sur laquelle vient porter la mâchoire mobile 41 est plane. En variante, la mâchoire 42 peut également comporter une excroissance 44, comme illustré à la figure 50. En variante encore, les mâchoires 41 et 42 peuvent être configurées pour conférer à la tige, lors du matriçage, une forme non rectiligne. Les mâchoires 41 et 42 peuvent être par exemple, comme illustré sur la figure 51, de forme générale courbe, l'une étant concave et l'autre convexe.In the example of FIGS. 48 and 49, the area of the lower jaw 42 on which the movable jaw 41 is carried is flat. Alternatively, the jaw 42 may also include a protrusion 44, as shown in Figure 50. Alternatively, the jaws 41 and 42 may be configured to impart to the rod, during stamping, a non-rectilinear shape. The jaws 41 and 42 may be for example, as illustrated in Figure 51, of generally curved shape, one being concave and the other convex.

La tige peut déjà être pourvue de l'organe d'application lors de l'opération de matriçage. La mise en place de l'organe d'application peut ainsi s'effectuer plus facilement, sur une tige droite et relativement rigide.The rod may already be provided with the applicator member during the stamping operation. The establishment of the application member can thus be performed more easily, on a straight rod and relatively rigid.

L'invention n'est pas limitée aux exemples de réalisation qui viennent d'être décrits. On peut notamment combiner entre elles des caractéristiques des différents modes de réalisation.The invention is not limited to the embodiments which have just been described. In particular, it is possible to combine characteristics of the various embodiments with one another.

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

Claims (32)

Applicateur de produit cosmétique ou dermatologique, comportant : - une tige (4) comportant au moins une portion matricée (10) formant une articulation, et - un organe d'application (6) disposé à une première extrémité (5) de la tige. Applicator for a cosmetic or dermatological product, comprising: a rod (4) comprising at least one stamped portion (10) forming a hinge, and - an applicator member (6) disposed at a first end (5) of the rod. Applicateur selon la revendication précédente, dans lequel la tige (4) comporte au moins deux portions matricées (10) formant charnière.Applicator according to the preceding claim, wherein the rod (4) comprises at least two stamped portions (10) forming a hinge. Applicateur selon l'une des revendications précédentes, dans lequel ladite portion matricée (10) est non symétrique de révolution.Applicator according to one of the preceding claims, wherein said stamped portion (10) is non-symmetrical of revolution. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige est symétrique par rapport à un plan médian.An applicator according to any one of the preceding claims, wherein the rod is symmetrical with respect to a median plane. Applicateur selon l'une quelconque des revendications précédentes, dans lequel au moins une portion matricée (10) est située dans la moitié inférieure de la tige.An applicator according to any one of the preceding claims, wherein at least one stamped portion (10) is located in the lower half of the rod. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige (4) comporte au moins un bossage (11) venu de matriçage et formant une légère saillie latéralement sur la tige.Applicator according to any one of the preceding claims, wherein the rod (4) comprises at least one boss (11) matte coming and forming a slight projection laterally on the rod. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige (4) comporte au moins une portion matricée (10) comportant au moins un ajour (16), notamment au moins un ajour disposé entre deux branches (17) reliant des tronçons de tige situés de part et d'autre de la portion matricée.Applicator according to any one of the preceding claims, wherein the rod (4) comprises at least one stamped portion (10) having at least one aperture (16), in particular at least one aperture arranged between two branches (17) connecting sections rods on either side of the stamped portion. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la portion matricée présente un fond s'étendant selon une ligne non perpendiculaire à l'axe longitudinal de la tige.Applicator according to any one of the preceding claims, wherein the stamped portion has a bottom extending along a line not perpendicular to the longitudinal axis of the rod. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige (4) comporte au moins deux portions matricées (10) ayant des formes différentes.Applicator according to any one of the preceding claims, wherein the rod (4) comprises at least two stamped portions (10) having different shapes. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige comporte au moins deux portions matricées (10) ayant des fonds s'étendant selon des lignes non parallèles.Applicator according to any one of the preceding claims, wherein the rod comprises at least two stamped portions (10) having funds extending in non-parallel lines. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige (4) comporte au moins deux portions matricées (10) ayant même profil lorsque la tige est observée dans une direction perpendiculaire à son axe longitudinal (X).Applicator according to any one of the preceding claims, wherein the rod (4) comprises at least two stamped portions (10) having the same profile when the rod is observed in a direction perpendicular to its longitudinal axis (X). Applicateur selon l'une quelconque des revendications précédentes, dans lequel au moins une portion matricée (10) comporte au moins une excroissance de matière (19) située sur au moins un flanc (20) d'un tronçon de tige (14, 15) relié à la portion matricée.Applicator according to any one of the preceding claims, in which at least one stamped portion (10) comprises at least one material protrusion (19) located on at least one side (20) of a rod section (14, 15). connected to the stamped portion. Applicateur selon l'une quelconque des revendications précédentes, dans lequel au moins une portion matricée (10) présente une section longitudinale de forme générale rectangulaire.Applicator according to any one of the preceding claims, wherein at least one stamped portion (10) has a longitudinal section of generally rectangular shape. Applicateur selon l'une quelconque des revendications précédentes, dans lequel au moins une portion matricée (10) présente une section longitudinale de forme générale triangulaire.Applicator according to any one of the preceding claims, wherein at least one stamped portion (10) has a longitudinal section of generally triangular shape. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige (4) a une section transversale de forme choisie dans la liste suivante : circulaire, non circulaire, oblongue, ovale, elliptique, polygonale, carrée, rectangulaire, réniforme, crénelée, en forme d'étoile, avec une ou plusieurs gorges.Applicator according to any one of the preceding claims, in which the shank (4) has a cross-section of a shape chosen from the following list: circular, non-circular, oblong, oval, elliptical, polygonal, square, rectangular, reniform, crenellated, star-shaped, with one or more grooves. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la tige (4) est réalisée dans un matériau thermoplastique, notamment l'un des matériaux choisis dans le groupe constitué par : PEHD, PEBD, PE linéaire, PP, POM, PA, PET, PBT.Applicator according to any one of the preceding claims, wherein the rod (4) is made of a thermoplastic material, in particular one of the materials selected from the group consisting of: HDPE, LDPE, linear PE, PP, POM, PA, PET, PBT. Applicateur selon l'une quelconque des revendications précédentes, dans lequel l'organe d'application (6) comporte l'un au moins des éléments suivants : faisceau de poils, feutre, revêtement de flocage, mousse.Applicator according to any one of the preceding claims, wherein the applicator member (6) comprises at least one of the following elements: hair bundle, felt, flocking coating, foam. Applicateur selon l'une quelconque des revendications précédentes, dans lequel l'organe d'application (6) comporte un faisceau de poils.Applicator according to any one of the preceding claims, wherein the applicator member (6) comprises a bundle of bristles. Applicateur selon l'une quelconque des revendications 1 à 17, dans lequel l'organe d'application (6) comporte un embout floqué.Applicator according to any one of claims 1 to 17, wherein the applicator member (6) comprises a flocked tip. Applicateur selon l'une quelconque des revendications précédentes, comportant un organe de préhension (9) fixé à une deuxième extrémité (8) de la tige (4).Applicator according to any one of the preceding claims, comprising a gripping member (9) fixed to a second end (8) of the rod (4). Applicateur selon la revendication précédente, dans lequel l'organe de préhension (9) a une forme non symétrique de révolution favorisant la préhension de l'applicateur avec une orientation prédéfinie.Applicator according to the preceding claim, wherein the gripping member (9) has a non-symmetrical shape of revolution favoring the gripping of the applicator with a predefined orientation. Applicateur selon la revendication précédente, dans lequel l'organe de préhension comporte au moins une zone de réception (33) d'un doigt, notamment un méplat ou une alvéole, qui s'étend d'une manière générale sensiblement parallèlement à un axe de plus grande dimension d'une section transversale de la portion matricée.Applicator according to the preceding claim, wherein the gripping member comprises at least one receiving zone (33) of a finger, in particular a flat or a cell, which extends generally substantially parallel to an axis of larger dimension of a cross section of the stamped portion. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la portion matricée est configurée pour limiter la rotation l'un par rapport à l'autre des tronçons de tige situés de part et d'autre de la portion matricée.Applicator according to any one of the preceding claims, wherein the stamped portion is configured to limit the rotation relative to each other of the rod sections located on either side of the stamped portion. Dispositif de conditionnement et d'application d'un produit cosmétique, caractérisé par le fait qu'il comporte un applicateur (3) selon l'une quelconque des revendications précédentes et un récipient (2) contenant le produit à appliquer.Device for packaging and applying a cosmetic product, characterized in that it comprises an applicator (3) according to any one of the preceding claims and a container (2) containing the product to be applied. Dispositif selon la revendication précédente, dans lequel le récipient contient un produit à appliquer sur les ongles.Device according to the preceding claim, wherein the container contains a product to be applied to the nails. Dispositif selon la revendication 24, dans lequel le produit est un eye-liner, une ombre à paupières ou un produit pour les lèvres.The device of claim 24, wherein the product is an eyeliner, an eye shadow or a lip product. Dispositif selon l'une quelconque des revendications 24 à 26, comportant en outre un organe d'essorage.Device according to any one of claims 24 to 26, further comprising a wiper member. Dispositif selon l'une quelconque des revendications 24 à 27, dans lequel le récipient ferme de manière étanche.Apparatus according to any one of claims 24 to 27, wherein the container seals tightly. Procédé de fabrication d'un applicateur tel que défini dans l'une quelconque des revendications 1 à 20 comportant l'étape suivante : - matricer au moins une portion (10) d'une tige (4) comportant un organe d'application (6) pour former au moins une articulation. A method of manufacturing an applicator as defined in any one of claims 1 to 20 comprising the following step: forging at least a portion (10) of a rod (4) comprising an applicator member (6) to form at least one articulation. Procédé selon la revendication précédente, dans lequel on matrice la tige à température ambiante.Method according to the preceding claim, wherein the rod is matrixed at room temperature. Procédé selon la revendication 29, dans lequel on matrice la tige à chaud.The method of claim 29, wherein the hot rod is molded. Machine de fabrication d'un applicateur de produit cosmétique, agencée pour recevoir une tige et comportant une matrice agencée pour matricer la tige afin de former une articulation sur celle-ci.Apparatus for manufacturing a cosmetic product applicator, arranged to receive a rod and having a matrix arranged to stamp the rod to form a hinge thereon.
EP06291068A 2005-06-29 2006-06-28 Applicator as well as package and application apparatus comprising such an applicator Active EP1738894B1 (en)

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FR0551825A FR2887751B1 (en) 2005-06-29 2005-06-29 APPLICATOR AND DEVICE FOR PACKAGING AND APPLICATION COMPRISING SUCH AN APPLICATOR.

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EP (1) EP1738894B1 (en)
JP (1) JP2007007431A (en)
CN (1) CN100502718C (en)
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BRPI0602363A (en) 2007-02-21
FR2887751A1 (en) 2007-01-05
ES2366374T3 (en) 2011-10-19
US20100007193A1 (en) 2010-01-14
JP2007007431A (en) 2007-01-18
EP1738894B1 (en) 2011-05-18
ATE509759T1 (en) 2011-06-15
US20070000513A1 (en) 2007-01-04
FR2887751B1 (en) 2007-09-14
BRPI0602363B1 (en) 2018-06-12
CN1891101A (en) 2007-01-10
US8454097B2 (en) 2013-06-04
CN100502718C (en) 2009-06-24

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