EP1459647B1 - Brush and device for storing and applying comprising such a brush - Google Patents

Brush and device for storing and applying comprising such a brush Download PDF

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Publication number
EP1459647B1
EP1459647B1 EP04290752A EP04290752A EP1459647B1 EP 1459647 B1 EP1459647 B1 EP 1459647B1 EP 04290752 A EP04290752 A EP 04290752A EP 04290752 A EP04290752 A EP 04290752A EP 1459647 B1 EP1459647 B1 EP 1459647B1
Authority
EP
European Patent Office
Prior art keywords
brush
bristles
fact
deformed
core
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.)
Expired - Fee Related
Application number
EP04290752A
Other languages
German (de)
French (fr)
Other versions
EP1459647A1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
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Publication of EP1459647A1 publication Critical patent/EP1459647A1/en
Application granted granted Critical
Publication of EP1459647B1 publication Critical patent/EP1459647B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0238—Bristles with non-round cross-section
    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/04—Preparing bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D9/00—Machines for finishing brushes
    • A46D9/02—Cutting; Trimming
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara
    • A46B2200/106—Cosmetics applicator specifically for mascara including comb like element

Definitions

  • the present invention relates to applicators intended for applying a product to keratinous fibers, in particular eyelashes or eyebrows, and more particularly, but not exclusively, mascara brushes.
  • Conventional mascara brushes comprise a core formed by two twisted metal strands, defining turns between which are taken the bristles of the brush.
  • a disadvantage of these brushes is that they may have a turn effect, that is to say that the ends of the bristles extend in a substantially helical distribution. Such a distribution of the hairs may interfere to a certain extent the penetration of the eyelashes between the bristles of the brush.
  • it may be desirable to promote the penetration of the eyelashes between the bristles so as to be able to load them with a relatively large amount of product as well as to spread the product on the eyelashes and lengthen or bend them.
  • No. 5,657,778 discloses a mascara brush comprising V-shaped transverse bristles, which can be abraded at their free end.
  • bristles having particular cross-sections so as to obtain, when tightening the bristles by the strands of the core, a more even distribution of the bristles over the envelope surface of the brush.
  • the homogenization extends to the entire brush.
  • the use of bristles having particular cross sections is likely to limit the materials that can be used to make the bristles or forms of hair that can be used.
  • a brush according to the invention can have a distribution of the bristles different from that of conventional brushes, thanks to the presence of deformed bristles, while being able to be manufactured with a twisted core and ordinary bristles if desired.
  • the presence of the deformed hairs may make it possible to make the distribution of the ends of the bristles more homogeneous by creating a clutter, and in particular to make it possible to attenuate the twisting effect associated with the use of a twisted core.
  • the brush can also further charge the eyelashes.
  • the soul can be twisted to the left, that is to say that the branches of the soul form turns which, when the brush is observed being vertical with its end fixed in the stem, that is to say say its proximal end, located at the bottom and its free end, that is to say the distal end, located at the top, rise from left to right.
  • the invention also applies to brushes having a twisted core on the right.
  • the portion of the brush having deformed bristles may correspond, at the limit, to the entire brush. This portion may also not correspond to the entire brush and for example correspond only to a portion extending from one end of the brush on for example less than half the length thereof and / or particular regions of the brush, these regions defining for example ridges or notches.
  • the brush may comprise at least 5% of its bristles which are deformed, even at least 20 or 30% or more than 50%, better at least 70%, for example at least 80%, and substantially all the bristles of the brush may be deformed, possibly.
  • the brush may comprise for example between 5 and 80 hairs per turn, and better between 10 and 50 hairs per turn.
  • the number of hairs per turn corresponds to the number of hair ends counted by a fixed observer during a rotation of 180 ° of the brush around his soul.
  • the bristles may be of synthetic or natural material, being made for example in a thermoplastic material.
  • the bristles may for example be stretchable.
  • the section of the bristles is preferably solid and may be circular or not.
  • the brush may however have at least one hair which is hollow.
  • the bristles may optionally be coated with a flocking.
  • the bristles may have a capillary groove and have a cross-sectional shape of a bean. The hairs can still be hollow.
  • the bristles may also comprise a filler, for example a magnetic compound, bacteriostatic or moisture absorber, or a compound for creating on the surface of the hair roughness or to promote the sliding of the eyelashes on the bristles.
  • a filler for example a magnetic compound, bacteriostatic or moisture absorber, or a compound for creating on the surface of the hair roughness or to promote the sliding of the eyelashes on the bristles.
  • the diameter of the bristles may be for example between 5/100 mm and 40/100 mm.
  • diameter of a hair is meant the diameter of the circle circumscribed to the largest cross section of the hair, when it is not circular.
  • the length of the bristles from the core to the free end may be for example between 1 and 7 mm, in particular between 2 and 5 mm.
  • the brush may comprise a mixture of bristles having different lengths, or even different natures.
  • the brush comprises a mixture of bristles having different lengths, only for example the bristles of a certain length may be deformed.
  • the envelope surface of the brush may have various shapes and in particular circular, oval, prismatic or other cross sections, with one or more notches or notches.
  • the core may or may not be centered in a cross-section of the envelope surface.
  • the brush may comprise at least one ridge or one notch.
  • the majority of deformed bristles of the brush, or substantially all deformed bristles of the brush, may be bristles belonging to at least one ridge or defining at least one notch.
  • the cross section of the envelope surface may be constant or not over at least a portion of the length of the brush, and the brush may for example have a cross section passing through an extremum between its two axial ends, this extremum being for example a maximum or a minimum.
  • the brush can thus have, in side view, a general shape of hourglass or rugby ball.
  • the core may be rectilinear or not, in particular be curved, with a curvature distributed over its entire length or located only in a region close to that used for fixing the brush on a rod of an applicator.
  • the brush may, if necessary, be curved around at least two non-coplanar axes.
  • the invention also relates to a packaging device and application comprising such a brush.
  • Such a device may comprise a container and a wiper member for squeezing the brush as it leaves the container.
  • the brush may be attached to the end of a rod provided at its opposite end with a gripping member also constituting a closure member of the container.
  • the treatment member may be at room temperature so as to mechanically deform the cold bristles.
  • Deformed hairs may show evidence of material removal or crushing.
  • the treatment can have many effects on the brush that is treated.
  • the treatment makes it possible to destructure the brush by modifying the orientations of the bristles and in particular to attenuate the effect of turn in the case where the brush which is treated has a helical distribution of the free ends of the bristles.
  • the deformed bristles may also have more flexibility and cushioning effect, because these hairs can bend more easily, having been beaten at least one point of their length, which could create a kind of hinge. This may make it possible to use larger or stiffer hairs.
  • the bristles that are treated lose their radial orientation and may assume an oblique orientation relative to the longitudinal axis of the brush core which may facilitate the penetration of the eyelashes between the bristles of the brush.
  • Another advantage of the method is to allow the use of a brush which initially has a relatively large spacing between the tufts of bristles which are clamped between the turns, since at the end of the treatment the spacing between the ends of the bristles is reduced by changing the orientation of the hairs.
  • the starting brush may be any and including or not comprise a twisted core.
  • the bristles may in particular be fixed by stapling or stamping on the core, and it may be overmolded on the bristles.
  • the aforementioned relative displacement can be caused at least by a rotation drive of the brush about its axis and / or by at least a rotational drive of the treatment member about an axis of rotation.
  • Both the brush and the treatment member can be rotated.
  • the treatment member may have a surface adapted to come into contact with the bristles of the brush which extends for example over a length greater than or equal to half the length of the portion of the brush carrying the bristles.
  • the relative displacement and the respective positions of the brush and the treatment member may be chosen such that at the end of the treatment only part of the bristles of the brush has come into contact with the treatment member.
  • the treatment may generate elbows on at least a portion of the bristles and the elbows thus formed may all be spaced a predetermined distance from the core. At least a portion of the treated bristles may be treated at a point that is closer to the core than their free end.
  • the brush may have at least two regions of its circumference defined by bristles of different lengths, and the region with the largest bristles may be treated without treating the region with the shortest bristles.
  • the aforementioned elbows in one embodiment of the invention among others, may be at a distance from the core greater than the length of the shortest hairs.
  • the surface state of the treatment member may be chosen depending on the treatment that is desired.
  • the surface can be smooth or slightly rough, for example.
  • the surface condition will be chosen so as not to completely cut the bristles.
  • the treatment member may thus be devoid of cutting edge.
  • the bristles of the brush may have, before treatment, a constant section, for example circular or bean-shaped.
  • the bristles may have a capillary groove.
  • the brush that is treated may be a twisted core brush, having between 5 and 80 bristles per turn, preferably between 10 and 50 bristles per turn.
  • the brush may have, before treatment, a turn effect and no longer have this turn effect after treatment.
  • the relative movement between the bristles of the brush and the treatment member may be a rotational movement of the brush about its longitudinal axis in the counterclockwise direction, when the brush is observed along its longitudinal axis from the right to the left and that the stem is on the left.
  • the machine may be capable of causing material removal, stretching of material, or crushing at least one point of the length of the bristles.
  • the drive means may for example comprise at least one motor for rotating the brush about its axis and / or driving the treatment member in rotation, and if necessary to drive in axial displacement the brush and / or the treatment organ.
  • the drive means may further enable the brush to be moved closer to or away from the treatment member.
  • the brush and the treatment member may be driven simultaneously in rotation, in the same direction or in opposite directions, around parallel axes or not.
  • the relative movements of the brush and the treatment member can be controlled by a digital controller.
  • the processing member may be rotated at a rotational speed of between 1500 and 6000 rpm, for example.
  • the packaging and application device 1 shown in FIG. 1 comprises a container 2 containing a product P to be applied to the eyelashes or eyebrows, for example example of the mascara, and an applicator 3 having a rod 4 of longitudinal axis X, provided at one end 4a of a brush 5 and at the opposite end of a gripping member 6 also serving to close the container 2.
  • the latter comprises a neck 7 which is threaded externally, so as to allow screwing of the gripping member 6.
  • a wiper member 8 is fixed inside the neck 7 to dewater the rod 4 and the brush 5 at their outlet from the container.
  • This wiper member 8 comprises a flexible lip 9 defining a circular orifice whose diameter corresponds substantially to that of the rod 4.
  • wiping members comprising a block of foam and / or defining one or more slots, flocked or not.
  • the rod 4 is rectilinear but it could be curved without departing from the scope of the present invention.
  • rod 4 is shown as being fixed relative to the gripping member 6, but it could be movable relative to the latter, for example by means of an articulated connection, in particular a ball joint.
  • the brush 5 comprises in the example in question a core 10 conventionally formed by two twisted metal strands, this core 10 being fixed at one end in a housing of the rod 4, for example being forcibly inserted in this housing.
  • the brush 5 also comprises bristles 11 which are clamped between the twisted strands of the core 10, as can be seen in FIG. 2.
  • the brush 5 comprises deformed bristles 12.
  • a deformed hair 12 may comprise for example two rectilinear portions, namely a proximal portion 12a connected to the core and a distal portion 12b, the two portions 12a and 12b being joined by a bend 12c.
  • the bend 12c is due to a deformation of the cross section of the pile 12, and the bend 12c can behave as a kind of hinge.
  • the distal portions 12b may extend in random directions.
  • At least two deformed bristles 12 can be taken between two adjacent turns 10a and 10b of the core 10, defining the pitch p of the core 10, as can be seen in FIG.
  • a processing member 20 shown schematically in FIG. 3 is used, this treatment member 20 being arranged to beat the bristles 11 of the brush in order to locally deform their section. transverse in at least one point of their length.
  • the processing member 20 may for example comprise at least one blade 21, for example three blades 21 in the case of Figure 3, these blades 21 being rotated about an axis which is in the example of Figure 3 parallel to the longitudinal axis of the brush.
  • the bristles 11 of the brush can be treated so that the elbows 12c are at a predefined distance from the core.
  • the orientation of the bristles can be modified to change them from a radial orientation shown in dashed lines in FIG. 4 to an orientation extending obliquely with respect to the longitudinal axis of the core, for example towards the proximal end or towards the distal end of the brush.
  • the bristles of the brush are beaten at respectively greater and greater distances from the core.
  • the hair has been deformed at two locations along its length, which has formed two bends with respective angles ⁇ 1 and ⁇ 2 different.
  • the action of the treatment member 20 on a pile may result in a crushing as illustrated in FIGS. 9 to 11. It can be seen in FIG. 10 that the pile may present, at a different section, than at the level of the deformed portion. circular. We see on the Figure 11 that the material has flowed at the deformed portion, and that the deformation has occurred essentially on one side of the pile, namely that which struck the treatment member.
  • the action of the treatment member 20 can also result in a removal of material as illustrated in FIG. 12 or 13.
  • the removal of material is in the form of a notch 12d formed in FIG. the hair.
  • the removal of material is in the form of a destructuration of the pile fiber, the latter having lost for example a portion 12 of its thickness, the fiber being somehow planed on a part of its length.
  • the action of the treatment unit can still result in a stretching of material, for example in the case where the bristles of the brush are stretchable.
  • the blade (s) 21 may extend over only a portion of the length of the brush, as illustrated in FIG. 16. In this case, it is possible, if desired, to move the treatment member 20 in parallel with the treatment. the brush 5, so as to treat all or part of the length thereof. It can be seen in FIG. 16 that the rotation of the brush can be carried out using a mandrel 31 enclosing the core of the brush, which can be driven by an electric motor or the like.
  • the treatment member 20 may also be rotated about an axis of rotation which is not parallel to the longitudinal axis of the brush and in particular around an axis of rotation which is perpendicular to the longitudinal axis. of the brush, as shown in Figure 18.
  • the brush may have an envelope surface, defined by the free ends of the bristles, of non-circular cross section.
  • FIGS. 22 to 32 various examples of cross sections are shown in FIGS. 22 to 32.
  • the brush may have, before or after the treatment by the treatment member 20, a cross section of substantially polygonal shape, as illustrated in Figures 22 to 25.
  • the brush may comprise at least a portion of its length which has a substantially triangular, or square, cross-sectional envelope surface as shown in FIG. 23, or else pentagonal as illustrated in FIG. 24, or even octagonal as shown in Figure 25.
  • the brush may also be made so as to present on at least a portion of its length an envelope surface of oblong cross section, as shown in FIG. 26.
  • the brush may also be made with at least one notch 41 over a portion of its length, as illustrated in FIGS. 27 or 28.
  • This notch 41 may have, if necessary, a depth that varies as one moves along the brush and / or a width that varies as one moves along the brush.
  • the brush may include at least one notch 41 whose depth passes through a single extremum between its ends.
  • the brush may also be made, as illustrated in FIG. 29, with at least one substantially flat facet 42.
  • the brush may also be made with one or more notches, as shown in FIGS. 30 to 32.
  • FIG. 30 there is shown the brush with three notches 43, in FIG. 31 with two notches 43 and in FIG. 32 with a single notch 43.
  • the core 10 of the brush 5 may be centered or not with respect to the envelope surface.
  • the cross section of the brush may vary along the brush and in particular pass through an extremum, as illustrated in FIG. 34.
  • the envelope surface of the brush can define for example two truncated cones joining at their base in a region 45 of larger diameter than the brush.
  • the brush may also have a soul that is not rectilinear.
  • the brush when the core is straightened and made rectilinear for the purposes of observation, the brush may have as illustrated in Figure 35 a cross section passing through at least one extremum, which may be a maximum or a minimum.
  • the brush has both a cross section through a maximum 46 and a minimum 47.
  • the core may be curved so as for example to straighten an edge 48 of the brush, as illustrated in FIGS. 35 and 36.
  • the brush 5 may further comprise, as illustrated in Figure 37, a bend 49 near the distal end 4a of the rod, the portion of the core carrying the bristles may be rectilinear or curved.
  • bristles having a solid cross-section are used, but the bristles may also be hollow.
  • the bristle shown in Figure 38 has a general bean shape, defining a capillary groove 60.
  • the bristles may comprise a flat part.
  • the bristles may also comprise a polygonal cross section, for example square as illustrated in FIG. 39, hexagonal as illustrated in FIG. 41 or triangular as illustrated in FIG. 42.
  • the bristles may also have an oblong cross-section, as shown in FIG. 43.
  • the bristles can be subjected to before and / or after threshing by means of the treatment member 20 in order to confer particular properties on their free end, for example in order to form a ball 61 as illustrated in FIG. forks 62 as shown in Figure 46.
  • Such forks 62 can be obtained by bringing the ends of the bristles into contact with an abrasive member.
  • the bristles may be flocked as shown in Fig. 47 or have a charge of particles 63 as shown in Fig. 48.
  • These particles may be for example particles of a compound for imparting a microrelief on the surface of the bristles, imparting magnetic or bacteriological or other properties, including properties promoting sliding.
  • the bristles can be made of synthetic or natural materials, in particular synthetic materials chosen for example from polyethylene, polyamides including PA6, PA6 / 6, PA6 / 10 or PA6 / 12, PA11, in particular RILSAN®, a HYTREL® polymer. -PEBAX® and other thermoplastic polymers.
  • the hairs can be stretchable.
  • the core may be made differently, for example using a double core formed of two elementary cores 10 'and 10 "twisted together, as illustrated in FIG. 49. Each elementary core 10' or 10" of this FIG. strands twisted together and gripping the hairs.
  • the diameter of the metal strands is for example between 0.3 and 0.9 mm.

Description

La présente invention concerne les applicateurs destinés à l'application d'un produit sur les fibres kératiniques, notamment les cils ou les sourcils, et plus particulièrement mais non exclusivement les brosses à mascara.The present invention relates to applicators intended for applying a product to keratinous fibers, in particular eyelashes or eyebrows, and more particularly, but not exclusively, mascara brushes.

Les brosses à mascara conventionnelles comportent une âme formée par deux brins métalliques torsadés, définissant des spires entre lesquels sont pris les poils de la brosse. Un inconvénient de ces brosses est qu'elles peuvent présenter un effet de spire, c'est-à-dire que les extrémités des poils s'étendent suivant une distribution sensiblement hélicoïdale. Une telle répartition des poils peut gêner dans une certaine mesure la pénétration des cils entre les poils de la brosse. Or, il peut être souhaitable de favoriser la pénétration des cils entre les poils de façon à pouvoir les charger avec une quantité relativement importante de produit ainsi que pour étaler le produit sur les cils et allonger ou recourber ceux-ci.Conventional mascara brushes comprise a core formed by two twisted metal strands, defining turns between which are taken the bristles of the brush. A disadvantage of these brushes is that they may have a turn effect, that is to say that the ends of the bristles extend in a substantially helical distribution. Such a distribution of the hairs may interfere to a certain extent the penetration of the eyelashes between the bristles of the brush. However, it may be desirable to promote the penetration of the eyelashes between the bristles so as to be able to load them with a relatively large amount of product as well as to spread the product on the eyelashes and lengthen or bend them.

Le brevet US 5 657 778 divulgue une brosse à mascara comportant des poils de action transversale en V, qui peuvent être abrasés à leur extrémité libre.No. 5,657,778 discloses a mascara brush comprising V-shaped transverse bristles, which can be abraded at their free end.

Il est connu de traiter mécaniquement les poils d'une brosse pour abraser leur extrémité et former des fourches. Toutefois, un tel traitement est limité à l'extrémité des poils et ne permet pas de modifier leur répartition.It is known to mechanically treat the bristles of a brush to abrade their ends and form forks. However, such treatment is limited to the end of the hairs and does not allow to change their distribution.

Il est également connu d'utiliser des poils ayant des sections transversales particulières de façon à obtenir lors du serrage des poils par les brins de l'âme une répartition des poils plus homogène sur la surface enveloppe de la brosse. Toutefois, l'homogénéisation s'étend à l'ensemble de la brosse. Or, il pourrait être souhaitable pour obtenir de nouveaux effets de maquillage que l'homogénéisation soit limitée à certaines portions seulement de la brosse, par exemple à des crans ou crêtes de celle-ci. En outre, l'utilisation de poils ayant des sections transversales particulières est susceptible de limiter les matériaux pouvant servir à réaliser les poils ou les formes de poils pouvant être utilisés.It is also known to use bristles having particular cross-sections so as to obtain, when tightening the bristles by the strands of the core, a more even distribution of the bristles over the envelope surface of the brush. However, the homogenization extends to the entire brush. However, it may be desirable to obtain new makeup effects that the homogenization is limited to only portions of the brush, for example notches or ridges thereof. In addition, the use of bristles having particular cross sections is likely to limit the materials that can be used to make the bristles or forms of hair that can be used.

Il existe un besoin pour bénéficier d'une brosse ayant une nouvelle distribution des poils.There is a need to benefit from a brush having a new hair distribution.

Il existe également un besoin pour bénéficier d'une telle brosse sans pour autant compliquer outre mesure sa fabrication.There is also a need to benefit from such a brush without unduly complicating its manufacture.

L'invention a pour objet, selon un premier de ses aspects parmi d'autres, une brosse pour l'application d'un produit sur les fibres kératiniques, comportant :

  • une âme torsadée définissant des spires
  • des poils s'étendant à partir de l'âme et pris entre les spires de celle-ci, cette brosse pouvant se caractériser par le fait qu'elle comporte au moins deux poils déformés pris entre deux spires adjacentes, ces poils déformés présentant un enlèvement ou un étirement de matière ou un écrasement en au moins un point de leur longueur et s'étendant non radialement vers l'extérieur à partir de ce point.
The subject of the invention is, according to one of its aspects among others, a brush for applying a product to keratin fibers, comprising:
  • a twisted core defining turns
  • bristles extending from the core and caught between the turns thereof, this brush being characterized by the fact that it comprises at least two deformed bristles taken between two adjacent turns, these deformed hairs having a removal or stretching or crushing at least one point of their length and extending non-radially outwardly therefrom.

Une brosse selon l'invention peut présenter une répartition des poils différente de celle des brosses conventionnelles, grâce à la présence des poils déformés, tout en pouvant être fabriquée avec une âme torsadée et des poils ordinaires si on le souhaite.A brush according to the invention can have a distribution of the bristles different from that of conventional brushes, thanks to the presence of deformed bristles, while being able to be manufactured with a twisted core and ordinary bristles if desired.

La présence des poils déformés peut permettre de rendre plus homogène la répartition des extrémités des poils en créant un fouillis, et notamment permettre d'atténuer l'effet de spire lié à l'emploi d'une âme torsadée. La brosse peut également charger davantage en produit les cils.The presence of the deformed hairs may make it possible to make the distribution of the ends of the bristles more homogeneous by creating a clutter, and in particular to make it possible to attenuate the twisting effect associated with the use of a twisted core. The brush can also further charge the eyelashes.

L'âme peut être torsadée à gauche, c'est-à-dire que les branches de l'âme forment des spires qui, lorsque la brosse est observée en étant verticale avec son extrémité fixée dans la tige, c'est-à-dire son extrémité proximale, située en bas et son extrémité libre, c'est-à-dire l'extrémité distale, située en haut, montent de gauche à droite. L'invention s'applique également aux brosses comportant une âme torsadée à droite.The soul can be twisted to the left, that is to say that the branches of the soul form turns which, when the brush is observed being vertical with its end fixed in the stem, that is to say say its proximal end, located at the bottom and its free end, that is to say the distal end, located at the top, rise from left to right. The invention also applies to brushes having a twisted core on the right.

Au niveau de la section déformée, l'enlèvement de matière ou l'écrasement ne peut affecter qu'un côté seulement du poil.At the deformed section, material removal or crushing can affect only one side of the pile.

La portion de la brosse comportant des poils déformés peut correspondre, à la limite, à l'ensemble de la brosse. Cette portion peut aussi ne pas correspondre à la totalité de la brosse et par exemple correspondre seulement à une portion s'étendant à partir d'une extrémité de la brosse sur par exemple moins de la moitié de la longueur de celle-ci et/ou à des régions particulières de la brosse, ces régions définissant par exemple des crêtes ou des crans.The portion of the brush having deformed bristles may correspond, at the limit, to the entire brush. This portion may also not correspond to the entire brush and for example correspond only to a portion extending from one end of the brush on for example less than half the length thereof and / or particular regions of the brush, these regions defining for example ridges or notches.

La brosse peut comporter au moins 5 % de ses poils qui sont déformés, voire au moins 20 ou 30 %, voire plus de 50 %, mieux au moins 70 %, par exemple au moins 80 %, et sensiblement tous les poils de la brosse peuvent être déformés, éventuellement.The brush may comprise at least 5% of its bristles which are deformed, even at least 20 or 30% or more than 50%, better at least 70%, for example at least 80%, and substantially all the bristles of the brush may be deformed, possibly.

La brosse peut comporter par exemple entre 5 et 80 poils par spire, et mieux entre 10 et 50 poils par spire. Le nombre de poils par spire correspond au nombre d'extrémités de poils dénombrées par un observateur fixe au cours d'une rotation de 180° de la brosse autour de son âme.The brush may comprise for example between 5 and 80 hairs per turn, and better between 10 and 50 hairs per turn. The number of hairs per turn corresponds to the number of hair ends counted by a fixed observer during a rotation of 180 ° of the brush around his soul.

Les poils peuvent être en matière synthétique ou naturelle, étant réalisés par exemple dans une matière thermoplastique.The bristles may be of synthetic or natural material, being made for example in a thermoplastic material.

Les poils peuvent par exemple être étirables.The bristles may for example be stretchable.

La section des poils est de préférence pleine et peut être circulaire ou non. La brosse peut cependant comporter au moins un poil qui est creux. Les poils peuvent éventuellement être revêtus d'un flocage. Les poils peuvent comporter une rainure capillaire et présenter en section transversale une forme de haricot. Les poils peuvent encore être creux.The section of the bristles is preferably solid and may be circular or not. The brush may however have at least one hair which is hollow. The bristles may optionally be coated with a flocking. The bristles may have a capillary groove and have a cross-sectional shape of a bean. The hairs can still be hollow.

Les poils peuvent aussi comporter une charge, par exemple d'un composé magnétique, bactériostatique ou absorbeur d'humidité, ou encore un composé destiné à créer à la surface du poil une rugosité ou à favoriser le glissement des cils sur les poils.The bristles may also comprise a filler, for example a magnetic compound, bacteriostatic or moisture absorber, or a compound for creating on the surface of the hair roughness or to promote the sliding of the eyelashes on the bristles.

Le diamètre des poils peut être compris par exemple entre 5/100 mm et 40/100 mm. Par diamètre d'un poil, on désigne le diamètre du cercle circonscrit à la plus grande section transversale du poil, lorsque celle-ci n'est pas circulaire.The diameter of the bristles may be for example between 5/100 mm and 40/100 mm. By diameter of a hair is meant the diameter of the circle circumscribed to the largest cross section of the hair, when it is not circular.

La longueur des poils depuis l'âme jusqu'à l'extrémité libre peut être comprise par exemple entre 1 et 7 mm, notamment entre 2 et 5 mm.The length of the bristles from the core to the free end may be for example between 1 and 7 mm, in particular between 2 and 5 mm.

La brosse peut comporter un mélange de poils ayant des longueurs différentes, voire des natures différentes.The brush may comprise a mixture of bristles having different lengths, or even different natures.

Lorsque la brosse comporte un mélange de poils ayant différentes longueurs, seuls par exemple les poils d'une certaine longueur peuvent être déformés.When the brush comprises a mixture of bristles having different lengths, only for example the bristles of a certain length may be deformed.

La surface enveloppe de la brosse peut présenter diverses formes et notamment des sections transversales circulaires, ovales, prismatiques ou autres, avec une ou plusieurs encoches ou crans.The envelope surface of the brush may have various shapes and in particular circular, oval, prismatic or other cross sections, with one or more notches or notches.

L'âme peut être centrée ou non dans une section transversale de la surface enveloppe.The core may or may not be centered in a cross-section of the envelope surface.

La brosse peut comporter au moins une crête ou un cran. La majorité des poils déformés de la brosse, voire sensiblement tous les poils déformés de la brosse, peuvent être des poils appartenant à au moins une crête ou définissant au moins un cran.The brush may comprise at least one ridge or one notch. The majority of deformed bristles of the brush, or substantially all deformed bristles of the brush, may be bristles belonging to at least one ridge or defining at least one notch.

La section transversale de la surface enveloppe peut être constante ou non sur au moins une partie de la longueur de la brosse, et la brosse peut par exemple présenter une section transversale passant par un extremum entre ses deux extrémités axiales, cet extremum étant par exemple un maximum ou un minimum. La brosse peut ainsi présenter, en vue de côté, une forme générale de sablier ou de ballon de rugby.The cross section of the envelope surface may be constant or not over at least a portion of the length of the brush, and the brush may for example have a cross section passing through an extremum between its two axial ends, this extremum being for example a maximum or a minimum. The brush can thus have, in side view, a general shape of hourglass or rugby ball.

L'âme peut être rectiligne ou non, notamment être courbe, avec une courbure répartie sur toute sa longueur ou localisée seulement dans une région proche de celle servant à la fixation de la brosse sur une tige d'un applicateur.The core may be rectilinear or not, in particular be curved, with a curvature distributed over its entire length or located only in a region close to that used for fixing the brush on a rod of an applicator.

La brosse peut, le cas échéant, être courbe autour d'au moins deux axes non coplanaires.The brush may, if necessary, be curved around at least two non-coplanar axes.

L'invention a encore pour objet un dispositif de conditionnement et d'application comportant une telle brosse.The invention also relates to a packaging device and application comprising such a brush.

Un tel dispositif peut comporter un récipient et un organe d'essorage pour essorer la brosse à sa sortie du récipient.Such a device may comprise a container and a wiper member for squeezing the brush as it leaves the container.

La brosse peut être fixée à l'extrémité d'une tige munie à son extrémité opposée d'un organe de préhension constituant également un organe de fermeture du récipient.The brush may be attached to the end of a rod provided at its opposite end with a gripping member also constituting a closure member of the container.

L'invention a encore pour objet, selon un autre de ses aspects, une brosse pour l'application d'un produit sur les fibres kératiniques, comportant :

  • des poils s'étendant à partir d'une âme, cette brosse pouvant se caractériser par le fait qu'elle comporte des poils ayant subi une déformation de leur section en au moins un point de leur longueur, cette déformation étant limitée à un côté du poil seulement ; autrement dit, la déformation ne s'étend pas à toute la circonférence du poil.
The invention further relates, in another of its aspects, to a brush for applying a product to keratin fibers, comprising:
  • bristles extending from a core, this brush being characterized by the fact that it comprises bristles having undergone deformation of their section in at least one point of their length, this deformation being limited to one side of the hair only; in other words, the deformation does not extend to the entire circumference of the hair.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, une brosse pour l'application d'un produit sur les fibres kératiniques, comportant :

  • une âme torsadée définissant des spires, et
  • des poils s'étendant à partir de l'âme torsadée, les poils étant pris entre les spires de l'âme torsadée,
les poils comportant au moins deux poils déformés pris entre deux spires adjacentes de l'âme torsadée, chacun des deux poils déformés ayant une longueur, lesdits au moins deux poils déformés comportant en au moins un point de leur longueur :
  • un enlèvement de matière en au moins ce point, ou
  • un étirement de matière en au moins ce point, ou
  • un écrasement en au moins ce point, et
chacun desdits au moins deux poils déformés s'étendant vers l'extérieur à partir dudit point de manière non radiale par rapport à l'âme torsadée.The invention further relates, independently or in combination with the foregoing, to a brush for applying a product to keratin fibers, comprising:
  • a twisted core defining turns, and
  • bristles extending from the twisted core, the bristles being caught between the turns of the twisted core,
the bristles having at least two deformed bristles caught between two adjacent turns of the twisted core, each of the two deformed bristles having a length, said at least two deformed bristles having at least one point of their length:
  • a removal of material in at least this point, or
  • a stretch of material in at least this point, or
  • a crush in at least this point, and
each of said at least two deformed bristles extending outwardly from said point non-radially with respect to the twisted core.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, un procédé de fabrication d'une brosse pour l'application d'un produit sur les fibres kératiniques, le procédé comportant :

  • fournir une brosse initiale comportant :
    • une âme torsadée définissant des spires, et
    • des poils s'étendant à partir de l'âme torsadée, les poils étant pris entre les spires de l'âme torsadée, et
  • provoquer un déplacement relatif l'un par rapport à l'autre entre au moins un organe de traitement et les poils de la brosse initiale de telle sorte que ledit au moins un organe de traitement heurte au moins certains des poils et modifie de manière sensiblement permanente, les orientations d'au moins une partie desdits poils de manière à former au moins deux poils déformés pris entre deux spires adjacentes de l'âme torsadée, chacun desdits au moins deux poils déformés ayant une longueur,
chacun desdits au moins deux poils déformés comportant en au moins un point de sa longueur :
  • un enlèvement de matière en au moins ce point, ou
  • un étirement de matière en au moins ce point, ou
  • un écrasement en au moins ce point, et
chacun desdits au moins deux poils déformés s'étendant vers l'extérieur depuis ledit point d'une manière non radiale par rapport à l'âme torsadée.The invention further relates, independently or in combination with the above, to a method of manufacturing a brush for applying a product to keratinous fibers, the process comprising:
  • provide an initial brush comprising:
    • a twisted core defining turns, and
    • bristles extending from the twisted core, the bristles being caught between the turns of the twisted core, and
  • causing relative movement relative to one another between at least one treatment member and the bristles of the initial brush so that said at least one treatment member strikes at least some of the bristles and substantially permanently modifies the orientations of at least a portion of said bristles so as to form at least two deformed bristles taken between two adjacent turns of the twisted core, each of said at least two deformed bristles having a length,
each of said at least two deformed bristles having at least one point of its length:
  • a removal of material in at least this point, or
  • a stretch of material in at least this point, or
  • a crush in at least this point, and
each of said at least two deformed bristles extending outwardly from said point in a non-radial manner with respect to the twisted core.

L'invention a encore pour objet, selon un autre de ses aspects, un procédé de fabrication d'une brosse pour l'application d'un produit sur les fibres kératiniques, notamment les cils ou les sourcils, comportant l'étape suivante :

  • provoquer un déplacement relatif entre au moins un organe de traitement et des poils de la brosse, de manière à ce que l'organe de traitement heurte des poils de la brosse et modifie de manière permanente les orientations d'au moins une partie des poils de la brosse.
Another subject of the invention, according to another of its aspects, is a method of manufacturing a brush for applying a product to the keratinous fibers, in particular the eyelashes or the eyebrows, comprising the following step:
  • cause relative movement between at least one treatment member and bristles of the brush, so that the treatment member strikes bristles of the brush and permanently modifies the orientations of at least a portion of the bristles; the brush.

Dans un tel procédé, l'organe de traitement peut être à température ambiante de façon à déformer mécaniquement les poils à froid.In such a method, the treatment member may be at room temperature so as to mechanically deform the cold bristles.

Les poils déformés peuvent présenter la trace d'un enlèvement de matière ou d'un écrasement.Deformed hairs may show evidence of material removal or crushing.

Le traitement peut avoir de nombreux effets sur la brosse qui est traitée.The treatment can have many effects on the brush that is treated.

Tout d'abord, le traitement permet de déstructurer la brosse en modifiant les orientations des poils et notamment d'atténuer l'effet de spire dans le cas où la brosse qui est traitée présente une distribution hélicoïdale des extrémités libres des poils.Firstly, the treatment makes it possible to destructure the brush by modifying the orientations of the bristles and in particular to attenuate the effect of turn in the case where the brush which is treated has a helical distribution of the free ends of the bristles.

Les poils déformés peuvent présenter en outre plus de souplesse et d'effet amortisseur, car ces poils peuvent fléchir plus facilement, ayant été battus en au moins un point de leur longueur, ce qui a pu créer une sorte de charnière. Cela peut permettre d'utiliser des poils plus gros ou plus rigides.The deformed bristles may also have more flexibility and cushioning effect, because these hairs can bend more easily, having been beaten at least one point of their length, which could create a kind of hinge. This may make it possible to use larger or stiffer hairs.

Les poils qui sont traités perdent leur orientation radiale et peuvent prendre une orientation oblique relativement à l'axe longitudinal de l'âme de la brosse qui peut faciliter la pénétration des cils entre les poils de la brosse.The bristles that are treated lose their radial orientation and may assume an oblique orientation relative to the longitudinal axis of the brush core which may facilitate the penetration of the eyelashes between the bristles of the brush.

Un autre avantage du procédé est de permettre d'utiliser une brosse qui au départ présente un écartement relativement important entre les touffes de poils qui sont serrées entre les spires, puisqu'à l'issue du traitement l'écartement entre les extrémités des poils est réduit grâce à la modification de l'orientation des poils.Another advantage of the method is to allow the use of a brush which initially has a relatively large spacing between the tufts of bristles which are clamped between the turns, since at the end of the treatment the spacing between the ends of the bristles is reduced by changing the orientation of the hairs.

Dans un tel procédé, la brosse de départ peut être quelconque et notamment comporter ou non une âme torsadée.In such a method, the starting brush may be any and including or not comprise a twisted core.

Les poils peuvent notamment être fixés par agrafage ou matriçage sur l'âme, et celle-ci peut encore être surmoulée sur les poils.The bristles may in particular be fixed by stapling or stamping on the core, and it may be overmolded on the bristles.

Le déplacement relatif précité peut être provoqué au moins par un entraînement en rotation de la brosse autour de son axe et/ou par au moins un entraînement en rotation de l'organe de traitement autour d'un axe de rotation.The aforementioned relative displacement can be caused at least by a rotation drive of the brush about its axis and / or by at least a rotational drive of the treatment member about an axis of rotation.

La brosse et l'organe de traitement peuvent encore être entraînés tous les deux en rotation.Both the brush and the treatment member can be rotated.

L'organe de traitement peut présenter une surface apte à venir en contact avec les poils de la brosse qui s'étend par exemple sur une longueur supérieure ou égale à la moitié de la longueur de la portion de la brosse portant les poils.The treatment member may have a surface adapted to come into contact with the bristles of the brush which extends for example over a length greater than or equal to half the length of the portion of the brush carrying the bristles.

Le déplacement relatif et les positions respectives de la brosse et de l'organe de traitement peuvent être choisis de telle sorte qu'à la fin du traitement une partie seulement des poils de la brosse soit venue en contact avec l'organe de traitement.The relative displacement and the respective positions of the brush and the treatment member may be chosen such that at the end of the treatment only part of the bristles of the brush has come into contact with the treatment member.

Le traitement peut générer la formation de coudes sur au moins une parties des poils et les coudes ainsi formés peuvent être tous éloignés d'une distance prédéfinie de l'âme. Au moins une partie des poils traités peuvent être traités en un point qui est plus proche de l'âme que de leur extrémité libre.The treatment may generate elbows on at least a portion of the bristles and the elbows thus formed may all be spaced a predetermined distance from the core. At least a portion of the treated bristles may be treated at a point that is closer to the core than their free end.

Seule une portion de la circonférence de la brosse peut être traitée.Only a portion of the circumference of the brush can be processed.

La brosse peut comporter au moins deux régions de sa circonférence définies par des poils ayant des longueurs différentes et l'on peut traiter la région comportant les poils de longueur la plus élevée sans traiter la région comportant les poils les plus courts.The brush may have at least two regions of its circumference defined by bristles of different lengths, and the region with the largest bristles may be treated without treating the region with the shortest bristles.

Les coudes précités, dans un exemple de mise en oeuvre de l'invention parmi d'autres, peuvent se situer à une distance de l'âme supérieure à la longueur des poils les plus courts.The aforementioned elbows, in one embodiment of the invention among others, may be at a distance from the core greater than the length of the shortest hairs.

L'état de surface de l'organe de traitement peut être choisi en fonction du traitement que l'on souhaite réaliser. La surface peut ainsi être lisse ou légèrement rugueuse, par exemple. L'état de surface sera choisi de manière à ne pas couper entièrement les poils. L'organe de traitement pourra ainsi être dépourvu d'arête coupante.The surface state of the treatment member may be chosen depending on the treatment that is desired. The surface can be smooth or slightly rough, for example. The surface condition will be chosen so as not to completely cut the bristles. The treatment member may thus be devoid of cutting edge.

Les poils de la brosse peuvent présenter, avant le traitement, une section constante, par exemple circulaire ou en forme de haricot. Les poils peuvent présenter une rainure capillaire.The bristles of the brush may have, before treatment, a constant section, for example circular or bean-shaped. The bristles may have a capillary groove.

La brosse qui est traitée peut être une brosse à âme torsadée, comportant entre 5 et 80 poils par spire, de préférence entre 10 et 50 poils par spire.The brush that is treated may be a twisted core brush, having between 5 and 80 bristles per turn, preferably between 10 and 50 bristles per turn.

La brosse peut présenter, avant traitement, un effet de spire et ne plus présenter cet effet de spire après le traitement.The brush may have, before treatment, a turn effect and no longer have this turn effect after treatment.

Dans le cas où la brosse est torsadée à gauche, le mouvement relatif entre les poils de la brosse et l'organe de traitement peut être un mouvement de rotation de la brosse autour de son axe longitudinal dans le sens anti-horaire, lorsque la brosse est observée selon son axe longitudinal de la droite vers la gauche et que la tige se situe à gauche.In the case where the brush is twisted to the left, the relative movement between the bristles of the brush and the treatment member may be a rotational movement of the brush about its longitudinal axis in the counterclockwise direction, when the brush is observed along its longitudinal axis from the right to the left and that the stem is on the left.

L'invention a encore pour objet, selon un autre de ses aspects, une machine de fabrication d'une brosse pour l'application d'un produit sur les fibres kératiniques, cette machine pouvant servir à la mise en oeuvre du procédé défini plus haut, cette machine comportant :

  • un support agencé pour supporter au moins une brosse,
  • un organe de traitement d'au moins cette brosse, et
  • des moyens pour produire un déplacement relatif du support et de l'organe de traitement afin de battre des poils de la brosse avec l'organe de traitement et modifier de manière permanente les orientations d'au moins une partie des poils.
Another subject of the invention, according to another of its aspects, is a machine for manufacturing a brush for applying a product to keratinous fibers, this machine being able to be used for carrying out the method defined above. , this machine comprising:
  • a support arranged to support at least one brush,
  • a treatment member of at least this brush, and
  • means for producing relative movement of the support and the treatment member to beat bristles of the brush with the treatment member and permanently alter the orientations of at least a portion of the bristles.

La machine peut permettre de provoquer un enlèvement de matière, un étirement de matière, ou un écrasement en au moins un point de la longueur des poils.The machine may be capable of causing material removal, stretching of material, or crushing at least one point of the length of the bristles.

Les moyens d'entraînement peuvent par exemple comporter au moins un moteur permettant d'entraîner en rotation la brosse autour de son axe et/ou d'entraîner l'organe de traitement en rotation, et le cas échéant d'entraîner en déplacement axial la brosse et/ou l'organe de traitement. Les moyens d'entraînement peuvent encore permettre de rapprocher ou d'éloigner la brosse de l'organe de traitement. La brosse et l'organe de traitement peuvent être entraînés simultanément en rotation, dans le même sens ou dans des sens contraires, autour d'axes parallèles ou non. Les déplacements relatifs de la brosse et de l'organe de traitement peuvent être contrôlés par un dispositif de commande numérique. L'organe de traitement peut être entraîné en rotation à une vitesse de rotation comprise entre 1500 et 6000 tr/min, par exemple.The drive means may for example comprise at least one motor for rotating the brush about its axis and / or driving the treatment member in rotation, and if necessary to drive in axial displacement the brush and / or the treatment organ. The drive means may further enable the brush to be moved closer to or away from the treatment member. The brush and the treatment member may be driven simultaneously in rotation, in the same direction or in opposite directions, around parallel axes or not. The relative movements of the brush and the treatment member can be controlled by a digital controller. The processing member may be rotated at a rotational speed of between 1500 and 6000 rpm, for example.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, une machine de fabrication d'une brosse pour l'application d'un produit sur les fibres kératiniques, cette machine comportant :

  • un support agencé pour supporter au moins une brosse initiale comportant des poils,
  • un organe de traitement pour traiter ladite au moins une brosse initiale, et
  • des moyens pour produire un déplacement relatif entre le support et l'organe de traitement de manière à heurter au moins certains des poils de la brosse initiale avec ledit au moins un organe de traitement et provoquer :
  • un enlèvement de matière en au moins un point de la longueur d'au moins certains des poils, ou
  • un écrasement de matière en au moins un point de la longueur d'au moins certains des poils, ou
  • un écrasement en au moins un point de la longueur d'au moins certains des poils,
l'orientation d'une partie au moins desdits au moins certains des poils étant modifiée d'une manière sensiblement permanente.The subject of the invention is, independently or in combination with the foregoing, a machine for manufacturing a brush for applying a product to keratinous fibers, this machine comprising:
  • a support arranged to support at least one initial brush comprising bristles,
  • a treatment member for treating said at least one initial brush, and
  • means for producing a relative displacement between the support and the treatment member so as to strike at least some of the bristles of the initial brush with said at least one treatment member and cause:
  • a removal of material in at least one point of the length of at least some of the bristles, or
  • a crushing of material in at least one point of the length of at least some of the bristles, or
  • crushing at least one point of the length of at least some of the bristles,
the orientation of at least a portion of said at least some of the bristles being modified in a substantially permanent manner.

L'invention a encore pour objet, indépendamment ou en combinaison avec ce qui précède, une machine de fabrication d'une brosse pour l'application d'un produit sur les fibres kératiniques, la machine comportant :

  • un support agencé pour supporter au moins une brosse initiale comportant des poils,
  • un organe de traitement pour traiter ladite au moins une brosse initiale, et
  • un moteur configuré pour au moins l'un de :
    • entraîner en rotation ladite au moins une brosse initiale autour de son axe,
    • entraîner en rotation ladite au moins une brosse initiale autrement qu'autour de son axe, et
    • déplacer axialement l'un au moins de ladite au moins une brosse et de l'organe de traitement,
le moteur provoquant le déplacement relatif entre le support et l'organe de traitement de manière à heurter au moins certains des poils de la brosse initiale avec ledit au moins un organe de traitement et provoquer :
  • un enlèvement de matière en au moins un point de la longueur desdits au moins certains des poils, ou
  • un étirement de matière en au moins un point de la longueur desdits au moins certains des poils, ou
  • un écrasement en au moins un point de la longueur desdits au moins certains poils,
    l'orientation d'au moins une partie desdits au moins certains des poils étant modifiée d'une manière sensiblement permanente.
The invention also relates, independently or in combination with the foregoing, to a machine for manufacturing a brush for applying a product to keratinous fibers, the machine comprising:
  • a support arranged to support at least one initial brush comprising bristles,
  • a treatment member for treating said at least one initial brush, and
  • an engine configured for at least one of:
    • rotate said at least one initial brush about its axis,
    • rotating said at least one initial brush other than around its axis, and
    • axially moving at least one of said at least one brush and the treatment member,
the motor causing relative movement between the support and the treatment member so as to strike at least some of the bristles of the initial brush with said at least one treatment member and cause:
  • a removal of material in at least one point of the length of said at least some of the bristles, or
  • a stretch of material in at least one point of the length of said at least some of the bristles, or
  • crushing in at least one point of the length of said at least some bristles,
    the orientation of at least a portion of said at least some of the bristles being modified in a substantially permanent manner.

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 d'un dispositif de conditionnement et d'application comportant une brosse selon l'invention,
  • la figure 2 est une vue schématique et partielle à échelle agrandie de la brosse du dispositif de la figure 1,
  • la figure 3 illustre de manière schématique le battage d'une brosse,
  • les figures 4 à 8 illustrent différentes possibilités, parmi d'autres, de modifier l'orientation d'un poil par battage,
  • les figures 9, 12 et 13 représentent de manière schématique trois exemples de déformation des poils engendrée par le battage,
  • les figures 10 et 11 sont des sections transversales respectivement selon X-X et XI-XI de la figure 9,
  • les figures 14 et 15 sont des vues schématiques, dans l'axe de la brosse, illustrant différentes manières de battre les poils,
  • la figure 16 représente schématiquement et partiellement, en perspective, un exemple de machine pouvant être utilisée pour battre les poils,
  • la figure 17 est une vue analogue à la figure 16 d'une variante de réalisation,
  • la figure 18 illustre une autre façon encore de battre les poils,
  • la figure 19 illustre la possibilité de ne battre que des crêtes de la brosse,
  • la figure 20 illustre la possibilité de ne traiter qu'un secteur angulaire seulement de la brosse,
  • la figure 21 illustre la possibilité de ne traiter la brosse que sur une partie de sa longueur,
  • les figures 22 à 33 représentent en section transversale l'enveloppe de différentes brosses pouvant comporter des poils déformés,
  • les figures 34 à 36 représentent différents exemples d'évolutions de la section transversale de la brosse, parmi d'autres,
  • la figure 37 illustre la possibilité d'avoir une âme non entièrement située dans l'axe de la tige,
  • les figures 38 à 44 sont des coupes transversales de diverses formes de poils possibles, parmi d'autres,
  • les figures 45 et 46 représentent des exemples de traitement des extrémités des poils,
  • les figures 47 et 48 représentent des exemples d'état de surface des poils, et
  • la figure 49 représente de manière schématique une âme double.
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 schematic view in axial section of a packaging and application device comprising a brush according to the invention,
  • FIG. 2 is a schematic and partial view on an enlarged scale of the brush of the device of FIG. 1,
  • FIG. 3 schematically illustrates the threshing of a brush,
  • Figures 4 to 8 illustrate various possibilities, among others, to change the orientation of a pile pile,
  • FIGS. 9, 12 and 13 schematically represent three examples of deformation of the bristles generated by threshing,
  • FIGS. 10 and 11 are transverse sections respectively along XX and XI-XI of FIG. 9,
  • Figures 14 and 15 are schematic views, in the axis of the brush, illustrating different ways of beating the hair,
  • FIG. 16 schematically and partially, in perspective, an example of a machine that can be used to beat the hairs,
  • FIG. 17 is a view similar to FIG. 16 of an alternative embodiment;
  • Figure 18 illustrates yet another way of beating the hair,
  • FIG. 19 illustrates the possibility of beating only peaks of the brush,
  • FIG. 20 illustrates the possibility of treating only one angular sector of the brush,
  • FIG. 21 illustrates the possibility of treating the brush only over part of its length,
  • FIGS. 22 to 33 represent in cross-section the envelope of different brushes that may comprise deformed bristles,
  • Figures 34 to 36 show various examples of changes in the cross section of the brush, among others,
  • FIG. 37 illustrates the possibility of having a soul not entirely located in the axis of the stem,
  • Figures 38 to 44 are cross-sections of various possible hair shapes, among others,
  • Figures 45 and 46 show examples of treatment of the ends of the bristles,
  • FIGS. 47 and 48 show examples of the surface state of the bristles, and
  • Figure 49 schematically shows a double core.

Le dispositif de conditionnement et d'application 1 représenté à la figure 1 comporte un récipient 2 contenant un produit P à appliquer sur les cils ou les sourcils, par exemple du mascara, et un applicateur 3 comportant une tige 4 d'axe longitudinal X, pourvue à une extrémité 4a d'une brosse 5 et à l'extrémité opposée d'un organe de préhension 6 servant également à la fermeture du récipient 2. Ce dernier comporte un col 7 qui est fileté extérieurement, de façon à permettre le vissage de l'organe de préhension 6.The packaging and application device 1 shown in FIG. 1 comprises a container 2 containing a product P to be applied to the eyelashes or eyebrows, for example example of the mascara, and an applicator 3 having a rod 4 of longitudinal axis X, provided at one end 4a of a brush 5 and at the opposite end of a gripping member 6 also serving to close the container 2. The latter comprises a neck 7 which is threaded externally, so as to allow screwing of the gripping member 6.

Un organe d'essorage 8 est fixé à l'intérieur du col 7 pour essorer la tige 4 et la brosse 5 à leur sortie du récipient. Cet organe d'essorage 8 comporte une lèvre souple 9 définissant un orifice circulaire dont le diamètre correspond sensiblement à celui de la tige 4.A wiper member 8 is fixed inside the neck 7 to dewater the rod 4 and the brush 5 at their outlet from the container. This wiper member 8 comprises a flexible lip 9 defining a circular orifice whose diameter corresponds substantially to that of the rod 4.

Bien entendu, l'invention n'est pas limitée à l'utilisation d'un organe d'essorage particulier et d'autres organes d'essorage peuvent être utilisés, par exemple des organes d'essorage comportant un bloc de mousse et/ou définissant une ou plusieurs fentes, floquées ou non.Of course, the invention is not limited to the use of a particular wiper member and other wiping members may be used, for example wiping members comprising a block of foam and / or defining one or more slots, flocked or not.

Dans l'exemple illustré, la tige 4 est rectiligne mais elle pourrait être courbe sans que l'on sorte du cadre de la présente invention.In the example illustrated, the rod 4 is rectilinear but it could be curved without departing from the scope of the present invention.

En outre, la tige 4 est représentée comme étant fixe par rapport à l'organe de préhension 6 mais elle pourrait être mobile par rapport à ce dernier, par exemple grâce à une liaison articulée, notamment une rotule.In addition, the rod 4 is shown as being fixed relative to the gripping member 6, but it could be movable relative to the latter, for example by means of an articulated connection, in particular a ball joint.

La brosse 5 comporte dans l'exemple considéré une âme 10 formée de manière conventionnelle par deux brins métalliques torsadés, cette âme 10 étant fixée à une extrémité dans un logement de la tige 4, étant par exemple insérée à force dans ce logement.The brush 5 comprises in the example in question a core 10 conventionally formed by two twisted metal strands, this core 10 being fixed at one end in a housing of the rod 4, for example being forcibly inserted in this housing.

La brosse 5 comporte également des poils 11 qui sont maintenus par serrage entre les brins torsadés de l'âme 10, comme on peut le voir sur la figure 2.The brush 5 also comprises bristles 11 which are clamped between the twisted strands of the core 10, as can be seen in FIG. 2.

Conformément à l'invention, la brosse 5 comporte des poils déformés 12.According to the invention, the brush 5 comprises deformed bristles 12.

Un poil déformé 12 peut comporter par exemple deux portions rectilignes, à savoir une portion proximale 12a raccordée à l'âme et une portion distale 12b, les deux portions 12a et 12b étant réunies par un coude 12c.A deformed hair 12 may comprise for example two rectilinear portions, namely a proximal portion 12a connected to the core and a distal portion 12b, the two portions 12a and 12b being joined by a bend 12c.

Le coude 12c est dû à une déformation de la section transversale du poil 12, et le coude 12c peut se comporter comme une sorte de charnière.The bend 12c is due to a deformation of the cross section of the pile 12, and the bend 12c can behave as a kind of hinge.

Les portions distales 12b peuvent s'étendre dans des directions aléatoires.The distal portions 12b may extend in random directions.

Au moins deux poils déformés 12 peuvent être pris entre deux spires adjacentes 10a et 10b de l'âme 10, définissant le pas p de l'âme 10, comme on peut le voir sur la figure 2.At least two deformed bristles 12 can be taken between two adjacent turns 10a and 10b of the core 10, defining the pitch p of the core 10, as can be seen in FIG.

Pour réaliser une brosse avec des poils déformés 12, on utilise conformément à l'invention un organe de traitement 20 représenté schématiquement à la figure 3, cet organe de traitement 20 étant agencé pour battre les poils 11 de la brosse afin de déformer localement leur section transversale en au moins un point de leur longueur.To produce a brush with deformed bristles 12, according to the invention a processing member 20 shown schematically in FIG. 3 is used, this treatment member 20 being arranged to beat the bristles 11 of the brush in order to locally deform their section. transverse in at least one point of their length.

L'organe de traitement 20 peut par exemple comporter au moins une pale 21, par exemple trois pales 21 dans le cas de la figure 3, ces pales 21 étant entraînées en rotation autour d'un axe qui est dans l'exemple de la figure 3 parallèle à l'axe longitudinal de la brosse.The processing member 20 may for example comprise at least one blade 21, for example three blades 21 in the case of Figure 3, these blades 21 being rotated about an axis which is in the example of Figure 3 parallel to the longitudinal axis of the brush.

En heurtant les poils 11 de la brosse, les pales 21 génèrent des poils déformés 12.By striking the bristles 11 of the brush, the blades 21 generate deformed bristles 12.

En choisissant la distance entre l'axe de la brosse 5 et celui de l'organe de traitement 20, on peut traiter les poils 11 de la brosse de manière à ce que les coudes 12c se situent à une distance prédéfinie de l'âme.By choosing the distance between the axis of the brush 5 and that of the treatment member 20, the bristles 11 of the brush can be treated so that the elbows 12c are at a predefined distance from the core.

Selon la vitesse avec laquelle le choc entre l'organe de traitement 20 et les poils 11 a lieu, on peut endommager plus ou moins fortement les poils et obtenir un plus ou moins grand nombre de poils déformés 12. La vitesse du choc est toutefois suffisamment faible pour ne pas couper tous les poils.Depending on the speed with which the shock between the treatment unit 20 and the bristles 11 takes place, it is possible to damage the bristles more or less strongly and to obtain a greater or lesser number of deformed bristles 12. The speed of the impact is, however, sufficiently weak not to cut all the hair.

Si l'on bat les poils très près de l'âme, on peut modifier l'orientation de ceux-ci pour les faire passer d'une orientation radiale représentée en pointillés sur la figure 4 à une orientation s'étendant obliquement par rapport à l'axe longitudinal de l'âme, par exemple vers l'extrémité proximale ou vers l'extrémité distale de la brosse.If the bristles are beaten very close to the core, the orientation of the bristles can be modified to change them from a radial orientation shown in dashed lines in FIG. 4 to an orientation extending obliquely with respect to the longitudinal axis of the core, for example towards the proximal end or towards the distal end of the brush.

Dans les exemples des figures 5 à 7, les poils de la brosse sont battus à des distances respectives de plus en plus grandes de l'âme.In the examples of FIGS. 5 to 7, the bristles of the brush are beaten at respectively greater and greater distances from the core.

Dans l'exemple de la figure 8, le poil a été déformé en deux emplacements de sa longueur, ce qui a formé deux coudes d'angles respectifs α1 et α2 différents.In the example of Figure 8, the hair has been deformed at two locations along its length, which has formed two bends with respective angles α 1 and α 2 different.

L'action de l'organe de traitement 20 sur un poil peut se traduire par un écrasement comme illustré sur les figures 9 à 11. On voit sur la figure 10 que le poil peut présenter ailleurs qu'au niveau de la portion déformée une section circulaire. On voit sur la figure 11 que la matière a flué au niveau de la portion déformée, et que la déformation a eu lieu essentiellement d'un côté du poil, à savoir celui qui a heurté l'organe de traitement.The action of the treatment member 20 on a pile may result in a crushing as illustrated in FIGS. 9 to 11. It can be seen in FIG. 10 that the pile may present, at a different section, than at the level of the deformed portion. circular. We see on the Figure 11 that the material has flowed at the deformed portion, and that the deformation has occurred essentially on one side of the pile, namely that which struck the treatment member.

L'action de l'organe de traitement 20 peut se traduire également par un enlèvement de matière comme illustré sur les figures 12 ou 13. Sur la figure 12, l'enlèvement de matière se présente sous la forme d'une encoche 12d formée dans le poil. Sur la figure 13, l'enlèvement de matière se présente sous la forme d'une déstructuration de la fibre du poil, celle-ci ayant perdue par exemple une partie 12 de son épaisseur, la fibre étant en quelque sorte rabotée sur une partie de sa longueur.The action of the treatment member 20 can also result in a removal of material as illustrated in FIG. 12 or 13. In FIG. 12, the removal of material is in the form of a notch 12d formed in FIG. the hair. In Figure 13, the removal of material is in the form of a destructuration of the pile fiber, the latter having lost for example a portion 12 of its thickness, the fiber being somehow planed on a part of its length.

L'action de l'organe de traitement peut encore se traduire par un étirement de matière, par exemple dans le cas où les poils de la brosse sont étirables.The action of the treatment unit can still result in a stretching of material, for example in the case where the bristles of the brush are stretchable.

Dans l'exemple de la figure 3, seul l'organe de traitement 20 est entraîné en rotation mais on ne sort pas du cadre de la présente invention lorsqu'à la fois l'organe de traitement 20 et la brosse 5 sont entraînés en rotation, comme illustré sur les figures 14 et 15.In the example of FIG. 3, only the treatment member 20 is rotated, but it is not beyond the scope of the present invention when both the treatment member 20 and the brush 5 are rotated. as shown in Figures 14 and 15.

On voit sur la figure 14 que la brosse 5 et l'organe de traitement 20 peuvent être contrarotatifs, et sur la figure 15 que l'organe de traitement et la brosse peuvent tourner dans le même sens.It can be seen in FIG. 14 that the brush 5 and the treatment member 20 can be counter-rotating, and in FIG. 15 that the treatment member and the brush can rotate in the same direction.

La ou les pales 21 peuvent s'étendre sur une portion seulement de la longueur de la brosse, comme illustré à la figure 16. Dans ce cas, on peut si on le souhaite déplacer au cours du traitement l'organe de traitement 20 parallèlement à la brosse 5, de façon à traiter tout ou partie de la longueur de celle-ci. On voit sur la figure 16 que l'entraînement en rotation de la brosse peut s'effectuer à l'aide d'un mandrin 31 enserrant l'âme de la brosse, lequel peut être entraîné par un moteur électrique ou autre.The blade (s) 21 may extend over only a portion of the length of the brush, as illustrated in FIG. 16. In this case, it is possible, if desired, to move the treatment member 20 in parallel with the treatment. the brush 5, so as to treat all or part of the length thereof. It can be seen in FIG. 16 that the rotation of the brush can be carried out using a mandrel 31 enclosing the core of the brush, which can be driven by an electric motor or the like.

Sur la figure 17, on a illustré la possibilité pour la ou les pales 21 de s'étendre sur toute la longueur de la brosse.In Figure 17, there is illustrated the possibility for the blade or blades 21 to extend over the entire length of the brush.

L'organe de traitement 20 peut encore être entraîné en rotation autour d'un axe de rotation qui n'est pas parallèle à l'axe longitudinal de la brosse et notamment autour d'un axe de rotation qui est perpendiculaire à l'axe longitudinal de la brosse, comme illustré sur la figure 18.The treatment member 20 may also be rotated about an axis of rotation which is not parallel to the longitudinal axis of the brush and in particular around an axis of rotation which is perpendicular to the longitudinal axis. of the brush, as shown in Figure 18.

On peut traiter avec l'organe de traitement 20 certaines régions seulement de la brosse, par exemple uniquement des zones de crêtes 40 comme illustré sur la figure 19. Dans ce cas, on pourra par exemple garder la brosse fixe et positionner l'organe de traitement 20 de manière à ce que les pales 21 ne viennent battre que la portion des poils 11 constituant les crêtes 20.It is possible to treat with the treatment member 20 only certain regions of the brush, for example only peak areas 40 as illustrated in FIG. 19. In this case, it will be possible, for example, to keep the brush stationary and position the treatment 20 so that the blades 21 beat only the portion of the bristles 11 constituting the ridges 20.

On peut aussi ne traiter par exemple qu'un secteur angulaire s prédéfini de la brosse, comme illustré sur la figure 20.It also can be treated by such a s predefined angular sector of the brush as shown in Figure 20.

On peut encore ne traiter, comme illustré sur la figure 21, qu'une partie proximale ou une partie distale de la brosse, la partie proximale étant par exemple traitée sur une longueur l' ou la partie distale sur une longueur l". It is still possible to treat, as illustrated in FIG. 21, only a proximal portion or a distal portion of the brush, the proximal portion being for example treated over a length of the distal portion over a length l " .

La brosse peut présenter une surface enveloppe, définie par les extrémités libres des poils, de section transversale non circulaire.The brush may have an envelope surface, defined by the free ends of the bristles, of non-circular cross section.

A titre d'exemple, on a représenté différents exemples de sections transversales sur les figures 22 à 32.By way of example, various examples of cross sections are shown in FIGS. 22 to 32.

La brosse peut présenter, avant ou après le traitement par l'organe de traitement 20, une section transversale de forme sensiblement polygonale, comme illustré sur les figures 22 à 25.The brush may have, before or after the treatment by the treatment member 20, a cross section of substantially polygonal shape, as illustrated in Figures 22 to 25.

Sur la figure 22 on voit que la brosse peut comporter au moins une portion de sa longueur qui présente une surface enveloppe de section transversale sensiblement triangulaire, ou carrée comme illustré sur la figure 23, ou encore pentagonale comme illustré sur la figure 24, voire octogonale comme illustré sur la figure 25.In FIG. 22 it can be seen that the brush may comprise at least a portion of its length which has a substantially triangular, or square, cross-sectional envelope surface as shown in FIG. 23, or else pentagonal as illustrated in FIG. 24, or even octagonal as shown in Figure 25.

La brosse peut encore être réalisée de manière à présenter sur au moins une portion de sa longueur une surface enveloppe de section transversale oblongue, comme illustré sur la figure 26.The brush may also be made so as to present on at least a portion of its length an envelope surface of oblong cross section, as shown in FIG. 26.

La brosse peut encore être réalisée avec au moins une encoche 41 sur une portion de sa longueur, comme illustré sur les figures 27 ou 28.The brush may also be made with at least one notch 41 over a portion of its length, as illustrated in FIGS. 27 or 28.

Cette encoche 41 peut présenter, le cas échéant, une profondeur qui varie lorsque l'on se déplace le long de la brosse et/ou une largeur qui varie lorsque l'on se déplace le long de la brosse. La brosse peut notamment comporter au moins une encoche 41 dont la profondeur passe par un seul extremum entre ses extrémités.This notch 41 may have, if necessary, a depth that varies as one moves along the brush and / or a width that varies as one moves along the brush. The brush may include at least one notch 41 whose depth passes through a single extremum between its ends.

La brosse peut encore être réalisée, comme illustré sur la figure 29, avec au moins une facette sensiblement plane 42.The brush may also be made, as illustrated in FIG. 29, with at least one substantially flat facet 42.

La brosse peut aussi être réalisée avec un ou plusieurs crans, comme illustré sur les figures 30 à 32.The brush may also be made with one or more notches, as shown in FIGS. 30 to 32.

Sur la figure 30, on a représenté la brosse avec trois crans 43, sur la figure 31 avec deux crans 43 et sur la figure 32 avec un seul cran 43.In FIG. 30, there is shown the brush with three notches 43, in FIG. 31 with two notches 43 and in FIG. 32 with a single notch 43.

L'âme 10 de la brosse 5 peut être centrée ou non par rapport à la surface enveloppe.The core 10 of the brush 5 may be centered or not with respect to the envelope surface.

Sur la figure 33, on a représenté une brosse ayant une âme 10 excentrée.In Figure 33, there is shown a brush having an eccentric core.

La section transversale de la brosse peut varier le long de la brosse et notamment passer par un extremum, comme illustré sur la figure 34.The cross section of the brush may vary along the brush and in particular pass through an extremum, as illustrated in FIG. 34.

Sur cette figure, on voit que la surface enveloppe de la brosse peut définir par exemple deux troncs de cônes se rejoignant par leur base dans une région 45 de plus grand diamètre que la brosse.In this figure, it can be seen that the envelope surface of the brush can define for example two truncated cones joining at their base in a region 45 of larger diameter than the brush.

La brosse peut également présenter une âme qui n'est pas rectiligne.The brush may also have a soul that is not rectilinear.

Dans ce cas, lorsque l'âme est redressée et rendue rectiligne pour les besoins de l'observation, la brosse peut présenter comme illustré sur la figure 35 une section transversale passant par au moins un extremum, lequel peut être un maximum ou un minimum.In this case, when the core is straightened and made rectilinear for the purposes of observation, the brush may have as illustrated in Figure 35 a cross section passing through at least one extremum, which may be a maximum or a minimum.

Dans l'exemple de la figure 35, la brosse présente à la fois une section transversale passant par un maximum 46 et par un minimum 47.In the example of Figure 35, the brush has both a cross section through a maximum 46 and a minimum 47.

L'âme peut être incurvée de manière à par exemple redresser un bord 48 de la brosse, comme illustré sur les figures 35 et 36.The core may be curved so as for example to straighten an edge 48 of the brush, as illustrated in FIGS. 35 and 36.

La brosse 5 peut encore comporter, comme illustré sur la figure 37, un coude 49 à proximité de l'extrémité distale 4a de la tige, la portion de l'âme portant les poils pouvant être rectiligne ou courbe.The brush 5 may further comprise, as illustrated in Figure 37, a bend 49 near the distal end 4a of the rod, the portion of the core carrying the bristles may be rectilinear or curved.

De préférence, on utilise des poils présentant une section transversale pleine, mais les poils peuvent aussi être creux.Preferably, bristles having a solid cross-section are used, but the bristles may also be hollow.

On a représenté aux figures 38 à 44 différents exemples de sections transversales de poils, parmi d'autres.Various examples of cross sections of bristles, among others, are shown in Figures 38 to 44.

Le poil représenté sur la figure 38 présente une forme générale de haricot, définissant une rainure capillaire 60.The bristle shown in Figure 38 has a general bean shape, defining a capillary groove 60.

On voit sur la figure 40 que les poils peuvent comporter un méplat.It can be seen in FIG. 40 that the bristles may comprise a flat part.

Les poils peuvent encore comporter une section transversale polygonale, par exemple carré comme illustré sur la figure 39, hexagonale comme illustré sur la figure 41 ou triangulaire comme illustré sur la figure 42.The bristles may also comprise a polygonal cross section, for example square as illustrated in FIG. 39, hexagonal as illustrated in FIG. 41 or triangular as illustrated in FIG. 42.

Les poils peuvent également présenter une section transversale oblongue, comme illustré sur la figure 43.The bristles may also have an oblong cross-section, as shown in FIG. 43.

On peut faire subir aux poils avant et/ou après battage au moyen de l'organe de traitement 20 un traitement visant à conférer des propriétés particulières à leur extrémité libre, par exemple afin de former une boule 61 comme illustré à la figure 45 ou des fourches 62 comme illustré à la figure 46. De telles fourches 62 peuvent être obtenues en amenant les extrémités des poils au contact d'un organe abrasif.The bristles can be subjected to before and / or after threshing by means of the treatment member 20 in order to confer particular properties on their free end, for example in order to form a ball 61 as illustrated in FIG. forks 62 as shown in Figure 46. Such forks 62 can be obtained by bringing the ends of the bristles into contact with an abrasive member.

Les poils peuvent être floqués comme illustré sur la figure 47 ou comporter une charge de particules 63, comme illustré sur la figure 48.The bristles may be flocked as shown in Fig. 47 or have a charge of particles 63 as shown in Fig. 48.

Ces particules peuvent être par exemple des particules d'un composé destiné à conférer un microrelief à la surface des poils, leur conférer des propriétés magnétiques ou bactériologiques ou autres, notamment des propriétés favorisant le glissement.These particles may be for example particles of a compound for imparting a microrelief on the surface of the bristles, imparting magnetic or bacteriological or other properties, including properties promoting sliding.

Les poils peuvent être réalisés dans des matières synthétiques ou naturelles, notamment des matières synthétiques choisies par exemple parmi le polyéthylène, les polyamides notamment PA6, PA6/6, PA6/10 ou PA6/12, PA11, notamment RILSAN® , un polymère HYTREL® -PEBAX® et d'autres polymères thermoplastiques encore.The bristles can be made of synthetic or natural materials, in particular synthetic materials chosen for example from polyethylene, polyamides including PA6, PA6 / 6, PA6 / 10 or PA6 / 12, PA11, in particular RILSAN®, a HYTREL® polymer. -PEBAX® and other thermoplastic polymers.

Les poils peuvent être étirables.The hairs can be stretchable.

Bien entendu, l'invention n'est pas limitée aux exemples qui viennent d'être décrits.Of course, the invention is not limited to the examples which have just been described.

On peut notamment réaliser l'âme autrement, par exemple utiliser une âme double, formée de deux âmes élémentaires 10' et 10" torsadées entre elles, comme illustré à la figure 49. Chaque âme 10' ou 10" élémentaire de cette figure comporte deux brins torsadés ensemble et enserrant les poils.In particular, the core may be made differently, for example using a double core formed of two elementary cores 10 'and 10 "twisted together, as illustrated in FIG. 49. Each elementary core 10' or 10" of this FIG. strands twisted together and gripping the hairs.

On peut utiliser pour réaliser l'âme des brins métalliques de section circulaire ou non, gainés ou non. Le diamètre des brins métalliques est par exemple compris entre 0,3 et 0,9 mm.It is possible to use for making the core metal strands of circular section or not, sheathed or not. The diameter of the metal strands is for example between 0.3 and 0.9 mm.

On peut combiner entre elles les caractéristiques des différents modes de réalisation qui viennent d'être décrits.The characteristics of the different embodiments that have just been described can be combined with one another.

Dans toute la description, y compris les revendications, l'expression « comportant un » doit être comprise comme étant synonyme de « comportant au moins un », sauf si le contraire est spécifié.Throughout the description, including the claims, the phrase "having one" should be understood as being synonymous with "having at least one", unless the opposite is specified.

Claims (38)

  1. A brush (5) for applying a substance to keratinous fibers, the brush comprising:
    - a twisted core (10) defining turns; and
    - bristles (11) extending from the core (10) and clamped between the turns thereof, the brush comprising at least two deformed bristles (12) clamped between two adjacent turns (10a, 10b), the brush being characterized by the fact that the deformed bristles present removal or stretching of material or flattening at least one point along their length and extend outwards in non-radial manner from said point.
  2. A brush according to claim 1, characterized by the fact that each deformed bristle (12) comprises two rectilinear portions (12a, 12b) forming a bend (12c) between each other.
  3. A brush according to claim 2, characterized by the fact that the two rectilinear portions (12a, 12b) are of the same cross-section.
  4. A brush according to any preceding claim, characterized by the fact that it comprises deformed bristles (12) defining bends (12c) that are all situated at substantially a same distance from the core.
  5. A brush according to any preceding claim, characterized by the fact that the deformed bristles (12) are of solid cross-section.
  6. A brush according to any preceding claim, characterized by the fact that the deformed bristles (12) comprise respective capillary grooves (60).
  7. A brush according to any preceding claim, characterized by the fact that it comprises at least 5% of deformed bristles (12), preferably at least 30%, better at least 70%.
  8. A brush according to any preceding claim, characterized by the fact that it comprises five to 80 bristles per turn, preferably ten to 50 bristles per turn.
  9. A brush according to any preceding claim, characterized by the fact that it comprises bristles (11, 12) having a diameter lying in the range 5/100 ths of a millimeter to 40/100ths of a millimeter.
  10. A brush according to any preceding claim, characterized by the fact that it comprises bristles made of synthetic material.
  11. A brush according to any one of claims 1 to 9, characterized by the fact that it comprises bristles made of natural material.
  12. A brush according to any preceding claim, characterized by the fact that it has a destructured appearance.
  13. A brush according to any preceding claim, characterized by the fact that the removal of material (12d; 12e) or the flattening extends over one side only of the bristles.
  14. A brush according to any preceding claim, characterized by the fact that the core is twisted to the left.
  15. A brush according to any preceding claim, characterized by the fact that it comprises at least one bristle presenting a section that is deformed at at least two points along its length.
  16. A brush according to claim 15, characterized by the fact that it comprises a bend (12c) at each deformed section, the bend defining an angle, with the angles (α1, α2) of the two bends being different.
  17. A brush according to any preceding claim, characterized by the fact that in at least one direction of observation of the brush perpendicular to its longitudinal axis, the brush comprises at least two bristles which cross each other.
  18. A brush according to claim 1, characterized by the fact that it comprises at least one hollow bristle.
  19. A brush according to any preceding claim, wherein the bristles present removal of material or flattening at at least one point along their length.
  20. A device for conditioning and applying a substance for application to the eyelashes or the eyebrows, the device being characterized by the fact that it comprises a brush (5) as defined in any one of claims 1 to 19 and a receptacle (2) containing the substance to be applied.
  21. A device according to the preceding claim, characterized by the fact that the receptacle (2) is provided with a wiper member (8).
  22. A device according to the preceding claim, characterized by the fact that the brush (5) is fixed to one end of a stem (14) provided at its opposite end with a handle member (6) also constituting a closure member for the receptacle.
  23. A method of manufacturing a brush as defined in any one of claims 1 to 19, the method comprising:
    - causing relative displacement to take place between at least one treatment member (20) and the bristles (11) of the brush in such a manner that the treatment member strikes the bristles of the brush and permanently modifies the orientations of at least a portion of the bristles of the brush.
  24. A method according to the preceding claim, characterized by the fact that the treatment member is at ambient temperature.
  25. A method according to either one of the two immediately preceding claims, characterized by the fact that the relative displacement is caused at least by rotating the brush about its own axis.
  26. A method according to any one of the three immediately preceding claims, characterized by the fact that the relative displacement is caused at least by rotating the treatment member (20).
  27. A method according to any one of claims 23 to 26, characterized by the fact that the relative displacement and the respective positions of the brush (5) and of the treatment member (20) are selected in such a manner that, at the end of treatment, the treatment member (20) has come into contact with a portion only of the bristles of the brush.
  28. A method according to any one of claims 23 to 27, characterized by the fact that the treatment causes bends to be formed in at least a portion of the bristles of the brush and by the fact that the bends (12c) formed in this way are all spaced apart from the core (10) of the brush by a predefined distance.
  29. A method according to any one of claims 23 to 28, characterized by the fact that, prior to contact with the treatment member (20), the brush (5) comprises an envelope surface of cross-section that is non-circular over at least a portion of its length.
  30. A method according to any one of claims 23 to 29, characterized by the fact that the brush comprises a twisted core (10).
  31. A method according to any one of claims 23 to 30, in which the brush has bristles extending from a core (10) all around it, characterized by the fact that only a portion (s) of a circumference of the brush is treated.
  32. A method according to any one of claims 23 to 31, the brush having a circumference and at least two regions of its circumference defined by bristles of different lengths, the method being characterized by the fact that only the region (40) having the longer bristles is treated.
  33. A method according to any one of claims 23 to 32, characterized by the fact that only a portion of the length of the brush is treated.
  34. A method according to any one of claims 23 to 33, characterized by the fact that, prior to treatment of the brush, the bristles of the brush comprise constant cross-section.
  35. A method according to any one of claims 23 to 34, characterized by the fact that the brush comprises a twisted core supporting five to 80 bristles per turn, preferably ten to 50 bristles per turn.
  36. A method according to any one of claims 23 to 35, characterized by the fact that, prior to treatment, the brush comprises bristles each having a free end, the free ends following a substantially helical distribution, and by the fact that the free ends no longer present this distribution after treatment.
  37. A method according to any one of claims 23 to 36, characterized by the fact that the brush has bristles of non-circular cross-section, in particular bristles including respective capillary grooves.
  38. A machine for manufacturing a brush for applying a substance to keratinous fibers, the machine comprising:
    - a support (31) arranged to support at least one brush;
    - a treatment member (21) for treating at least said brush; and
    - means for producing relative displacement between the support and the treatment member in such a manner as to beat the bristles of the brush with the treatment member and cause material to be removed or stretched or flattening at least one point along the length of the bristles and modify in permanent manner the orientations of at least a portion of the bristles.
EP04290752A 2003-03-20 2004-03-19 Brush and device for storing and applying comprising such a brush Expired - Fee Related EP1459647B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0303448A FR2852500B1 (en) 2003-03-20 2003-03-20 BRUSH AND DEVICE FOR PACKAGING AND APPLICATION COMPRISING SUCH A BRUSH
FR0303448 2003-03-20

Publications (2)

Publication Number Publication Date
EP1459647A1 EP1459647A1 (en) 2004-09-22
EP1459647B1 true EP1459647B1 (en) 2006-06-21

Family

ID=32799702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04290752A Expired - Fee Related EP1459647B1 (en) 2003-03-20 2004-03-19 Brush and device for storing and applying comprising such a brush

Country Status (9)

Country Link
US (1) US7125188B2 (en)
EP (1) EP1459647B1 (en)
JP (2) JP4644432B2 (en)
KR (1) KR100576634B1 (en)
CN (1) CN1589697B (en)
BR (1) BRPI0400289B1 (en)
DE (1) DE602004001252T2 (en)
ES (1) ES2265622T3 (en)
FR (1) FR2852500B1 (en)

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Also Published As

Publication number Publication date
JP2008012357A (en) 2008-01-24
BRPI0400289B1 (en) 2012-12-25
FR2852500B1 (en) 2007-02-23
JP4644432B2 (en) 2011-03-02
KR100576634B1 (en) 2006-05-04
CN1589697B (en) 2010-08-11
DE602004001252T2 (en) 2007-05-03
EP1459647A1 (en) 2004-09-22
KR20040082985A (en) 2004-09-30
JP4845844B2 (en) 2011-12-28
BRPI0400289A (en) 2004-11-03
FR2852500A1 (en) 2004-09-24
ES2265622T3 (en) 2007-02-16
CN1589697A (en) 2005-03-09
US7125188B2 (en) 2006-10-24
US20040240926A1 (en) 2004-12-02
JP2004283593A (en) 2004-10-14
DE602004001252D1 (en) 2006-08-03

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