Classifications

• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B9/00—Arrangements of the bristles in the brush body
  • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
  • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
  • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
  • A45D40/264—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like movable within the container
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B9/00—Arrangements of the bristles in the brush body
  • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • 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
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D1/00—Bristles; Selection of materials for bristles
  • A46D1/02—Bristles details
  • A46D1/0253—Bristles having a shape which is not a straight line, e.g. curved, "S", hook, loop
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B2200/00—Brushes characterized by their functions, uses or applications
  • A46B2200/10—For human or animal care
  • A46B2200/1046—Brush used for applying cosmetics
  • A46B2200/1053—Cosmetics applicator specifically for mascara

Definitions

• the invention relates to the field of applicators for applying a fluid or pasty product on keratin fibers such as eyelashes or eyebrows.
• the applicators of the invention allow to apply a cosmetic product, makeup or care on the hair, eyelashes or eyebrows. It can also be used to apply a cosmetic product to the skin of an individual.
• these applicators essentially comprise two elements: an elongated core on which is disposed at least one row of teeth or pins or protuberances. This is the simplest form of realization of this type of applicators.
• a makeup brush having a support on which are individually and regularly implanted bristles.
• the support and the bristles come from injection of the same moldable material.
• the document FR 2 850 549 discloses an applicator brush for a product on keratinous fibers, comprising a bristle-supporting core of which at least a portion extend in a curved manner. Also known from FR 2 902 984 an applicator having a core and at least two rows of teeth each oriented differently vis-à-vis an outer face of the core. This type of applicator aims to improve the application of a product in particular in terms of penetration of the teeth between the eyelashes or other, smoothing the product on the eyelashes, and separation thereof.
• EP1 593 320 which describes a mascara applicator consisting of several moving parts relative to each other and in particular a support member in which can slide axially an adjusting element.
• This mobility makes it possible to act on the distance between the two ends of a deformable portion of the support element. It is the user himself who modifies the distance between the two ends and therefore the external volume of the applicator which comprises radially deformable parts under the action of the adjustment element.
• this prior art does not reveal at least one flexible rod blocking with the longitudinal core and embedded in at least two points on the longitudinal core.
• the prior art also comprises the European patent application EP 1 1817345 which describes an applicator device of a fluid or pasty product on keratin fibers, comprising an elongated core extending along a longitudinal axis XX, which is produced in a plastic material and is obtained by injection into one piece; this device further comprises at least one flexible and flexible rod oriented longitudinally and embedded in at least a first and a second point on said longitudinal core, so as to provide at least one flexural zone perpendicular to the longitudinal axis XX. Spikes or protuberances may advantageously be provided on the core and / or the flexible rods.
• the flexion obtained with this applicator is interesting; however, only the difference in geometry makes it possible here to vary this flexion because this device is made of the same plastic material, injection-molded.
• patent application EP 2 676 781 A1 shows an applicator having a core consisting of two materials, on which are spiked spikes consisting of the same two materials.
• the claimed manufacturing method is relatively complex so that only specific and determined shapes and geometries can be made with such a method. In any case, it is not possible to envisage making flexible rods, as in the application EP 1 1817345, with such a method.
• the invention aims to overcome the disadvantages of the state of the art and in particular to provide a multi-material applicator according to which the core is made of a first plastic material, and flexible rods consist of one or more other materials.
• the invention therefore relates to an applicator device of a fluid and / or pasty product on keratinous fibers, comprising an elongated core extending along a longitudinal axis XX and at least one flexible and flexible rod oriented longitudinally and recessed into at least a first point on the longitudinal core, the core and said at least one rod being obtained by injection into one piece.
• the core is made of a first plastic material and said at least one rod is made of at least a second plastic material.
• the skilled person chooses the plastic material, or thermoplastic polymer, the most adapted to the needs, and which has good behavior during the injection and molding phases.
• it can adapt the chemical nature and the hardness of the plastic material to the cosmetic composition envisaged to be applied to the keratinous fibers, or even the skin of the user.
• said at least one flexible rod is embedded near a first end of the core and / or near a second end of the core.
• the device comprises at least a first flexible rod formed of a second plastic material and at least a second flexible rod formed of a third plastic material.
• the applicator device further comprises protuberances (or pins) provided and from the core and / or said at least one rod.
• the applicator according to the invention may have pins made of different material and respectively from the core and the flexible rods.
• the constituent plastics of the device according to the invention have a direct relationship with the capacity of the associated cosmetic composition whose behavior is thus differentiated.
• the protuberances have an elongate shape and are oriented substantially radially vis-à-vis the longitudinal axis XX.
• said at least one flexible rod is formed of two elongated portions belonging to the same longitudinal plane, the two parts being curved, substantially parallel to each other and recessed on the core, together in at least one point. Stems longitudinally 'reinforced' are thus provided.
• said two elongated portions of the flexible rod are recessed together at two points near each end of the core.
• said protuberances may be provided on at least one of said rods and have a petal shape in front view.
• one of the ends of the core may be provided with protuberances consisting of a second plastic material.
• the minimum difference in hardness between the constituent material of the core and the constituent material or materials of said at least one rod is 5 shore A or 5 shore D.
• the core has substantially an elongated pen shape along the axis XX, and said rod is able to spread a cosmetic composition on the skin thanks to an external longitudinal edge.
• the core and the rod being disposed substantially in the same longitudinal plane.
• the outer edge of the stem allows in particular to spread a composition on the skin of a user; the stem here serves as an eyeliner; the core here comprises protuberances bristling from its outer surface, preferably perpendicular to this surface.
• the protuberances are capable of spreading an appropriate composition on keratinous fibers such as eyelashes.
• a device fulfilling at least two functions is provided: spreading at least one composition on the skin and on keratinous fibers.
• said at least one flexible rod is embedded in its two ends, has a convex shape and is provided with a concave reinforcement belonging to the same longitudinal plane.
• said at least one rod may have a wavy shape.
• One or more waves (or waves) can constitute said undulating form.
• Linear segments juxtaposed and oriented in at least two directions may constitute at least one of said flexible rods.
• FIG. 1 a perspective view of an applicator device according to a first embodiment of the invention
• Figure 1A a front view of the device of Figure 1;
• Figure 2 is a perspective view according to a second embodiment of the invention.
• FIG. 2A a front view of the device according to FIG. 2;
• Figure 3 is a side view of the device according to a third embodiment
• Figures 4 to 10 are diagrams showing side views of applicator devices provided with elongated rods having different shapes
• Figure 1 1 is a side view of a bi-material applicator comprising a single flexible elongate shaft, formed of a double arch;
• FIG. 12 is a perspective view of a tri-material applicator comprising a plurality of elongated rods of the double arch type;
• Figure 13 is a variant of Figure 12, which shows several rods double arch type, each bi-material;
• Figure 14 is a view of a bi-material applicator having a plurality of flexible rods with petal-shaped pins;
• Figure 14A is a front view of the applicator of Figure 14;
• Figure 15 is a perspective view of an alternative embodiment of Figure 14;
• FIG. 16 and 17 relate to a variant of an applicator substantially in the form of a pen along its length.
• the applicator device comprises a core 1, for example cylindrical, elongate along a longitudinal axis XX, and a rod 2 flexible and flexible longitudinally oriented.
• the rod 2 is here embedded in two points on the core 1: at a first point near a first end 10 of the core 1, and at a second point near the second end 1 1 of the core 1.
• the first end may be called the 'proximal end' in this text, while the second end 1 1 of the core 1 may be called 'distal end'.
• the applicator according to FIG. 1 further comprises spikes 13, 23 elongated and spiked from the core 1 and also from the spindle 2.
• the spikes 13, 23 are preferably oriented radially vis-à-vis the core 1; their number is chosen by the skilled person as well as their density and length. These parameters are chosen in particular according to the nature of the cosmetic composition (or fluid and / or pasty product) to be applied.
• Figure 1A shows in front view, from the distal end 1 1, such an applicator device.
• This figure also allows to see that the distal end 1 1 is here somehow covered by a spherical continuation 20 on which are derived pins.
• the presence of spikes on the sphere 20 is optional, as is the presence of spikes 13 on the core 1.
• At least spikes 23 coming from stem 2 are provided.
• the core 1 and said rod 2 consist of different plastics, and are obtained by injection in one piece.
• a thermoplastic polymer having good behavior during the injection and demolding phases is advantageously chosen by those skilled in the art. This characteristic makes it possible to adapt the chemical nature and the hardness of the polymer to the behavior of the cosmetic composition to be applied.
• the behavior of wettability and adhesion of the composition or formula on the core and the pins different depending on the chemical nature of the applicator.
• Each type of chemical formula having particular viscosity and specific surface tension, it has a given behavior vis-à-vis a given plastic material.
• the material used to manufacture the applicator by molding has a dependency and a direct effect on the ability of the chemical composition to "wet” and "adhere" to its surface.
• the chemical composition is more or less retained on the surface of the applicator, depending on the nature of this surface. This effect is very important when it is known that the applicator is intended to pass regularly through a wiper, a kind of ring placed on the neck of the container of the chemical composition. At each pass, a certain amount of composition remains attached to the applicator while another quantity is trapped in the container.
• the first plastic used for the core 1 is a TPE (elastomer thermoplastic) material of the SEBS (polystyrene-b-poly (ethylene-butylene) -b-polystyrene) or PP / EPDM type ( ethylene-propylene-diene-monomer);
• the second plastic material used for the flexible rod is a TPE of the Hytrel (TM) type or of the PE (polyethylene) family.
• the pins 13 from the core 1 consist of the first material
• the pins 23 from the flexible rod 2 consist of the second material. It is thus possible to provide different pin geometries for the flexible rod 2 and for the core 1.
• the pins have an elongated shape; multiple forms can be envisaged without departing from the scope of the invention.
• the pins are not necessarily straight; they can be curved, all curved in the same direction or not. They may optionally have the form of hooks.
• the difference in hardness between the first plastic material, used for the core 1 and the second plastic material, used for the flexible rod 2, is between 5 shore A and 5 shore D.
• the first material plastic has a hardness of 70 Shore A and the second plastic has a hardness of 90 Shore A.
• FIG. 2 illustrates an embodiment that differs from that of FIG. 1 in the number of flexible rods 2 provided: two flexible rods are provided here arranged in the same longitudinal plane, that is to say angularly spaced apart from each other. 180 °. According to this example, the two rods have the same shape and the same dimension.
• Figure 2A illustrates this symmetrical arrangement vis-à-vis a longitudinal plane. Each rod 2 is in the same material, different from that of the core 1.
• Figure 3 illustrates an embodiment according to which two rods 2 of convex shape, each recessed near an end 10, 1 1 of the core is provided.
• the stems belong to a longitudinal plane.
• Straight pins 13 come from the core 1 while barbs 23 curves are derived from each flexible rod 2.
• the right pins 13 may further have a flat face located in a common longitudinal plane.
• FIGs 4 to 10 schematically illustrate variants of flexible rods 2; thus it is understood that the flexible rods can be embedded not only at both ends of the core, but also in one or two additional points.
• Figure 4 shows two rods 2: one 2A embedded at both ends and at an intermediate point; the second 2B recessed at both ends and at two intermediate points.
• Figure 5 illustrates an example where a single rod 2C is present, recessed substantially at each end.
• the rod 2C has a wavy shape, with three undulations according to its length.
• Figure 6 shows an embodiment with two rods 2D, 2E which extend in the same longitudinal plane, angularly offset by 180 °.
• Each rod 2D, 2E has a main straight portion that extends substantially along the axis XX, and two portions that extend substantially perpendicular to the main portion.
• the advantage of this embodiment is that ..
• FIG. 7 illustrates a single flexible rod 2F having a substantially longitudinal principal portion, and two perpendicular portions which each fit close to an end 10, 1 1 of the core 1.
• Figure 8 relates to an applicator provided with two flexible rods 2G, 2H, substantially in the same longitudinal plane;
• the rod 2G has a corrugated portion which extends parallel to the longitudinal axis XX, and two perpendicular portions or tabs which are connected to each end of the corrugated part and each are embedded on the core 1.
• the rod 2H has a convex curvature and is embedded substantially at the same points as the rod 2G.
• Figure 9 shows an applicator provided with flexible rods 21 each recessed at a point on the core 1; more precisely each rod 21 is here fixed near an end 10, 1 1 of the core; each flexible rod is otherwise free at its second end. More flexibility than in the previous examples is created here, because of the ends of each rod 21 left free.
• a longitudinal space more or less important is provided; the skilled person determines this dimensional parameter according to the circumstances. This longitudinal space can be of the order of 10% of the length of the core 1.
• Figure 10 illustrates an example which differs from that of Figure 9 by the longitudinal arrangement of flexible rods 2J: three flexible rods 2J are embedded in a single point on the core 1, and free at their second end. Another flexible rod is embedded at both ends. It is anticipated recesses near each end 10, 1 1 of the core and intermediate recesses.
• Figure 1 1 shows an embodiment according to which a flexible rod 2 is formed of two elongate portions 21, 22 belonging to the same longitudinal plane.
• the two elongate portions extend substantially parallel to the longitudinal axis XX, are substantially parallel to each other and they are recessed together at two points.
• the two embedding points are close to each end 10, 1 1 of the core 1.
• a double arch mechanically reinforced compared to a simple arch. This arrangement is interesting when one wishes to create an intermediate cavity under the arches that will allow to imprison the formula (or composition). This makes it possible to manage the load capacity of the applicator as a function of the viscosity of the formula.
• the core 1 consists of a first material and the rods 2 of at least a second material.
• Figure 12 relates to an embodiment which differs from that of Figure 1 1 by the largest number of elongated portions 21, 22 or pairs.
• the soul is made of a first plastic material; three pairs of elongate portions are made of a second plastic material while three pairs of elongated portions are of a third plastic material. It is thus possible to obtain effects and therefore different technical functions around the applicator.
• the user during the makeup gesture rotates the applicator along the axis XX when it comes into contact with the eyelash fringe.
• the eyelashes alternately meet pins having a different hardness and touch.
• the flexible elongated portions 21, 22 which form a pair, that is to say substantially superposed in a longitudinal plane, here are formed respectively a second plastic material and a third plastic material.
• the number of pairs is variable, chosen by those skilled in the art.
• Figure 14 relates to an embodiment according to which the core 1 is provided with pins 13 oriented radially and longitudinally distributed over several rows. This is not mandatory.
• the applicator of Figure 14 further comprises two flexible rods 2 each recessed near an end 10, 1 1 of the soul I.
• the flexible rods 2 are curved and convex. They are further provided with a concave longitudinal reinforcement 25 belonging to the same plane.
• the flexible rods 2 are here provided with protuberances 23 in the shape of a petal in front view.
• Figure 14A clearly shows this arrangement, by this front view. It is understood that the two flexible rods 2 are arranged diametrically opposite, and provided with protuberances 23 shaped petal.
• Figure 15 is a variant of Figure 14 in that it shows an alternating angular rows of flexible rods 2 provided with petals 23 and rows of pins 13. A generally more rigid applicator is here obtained. There are here four rows of pins 23 in the form of petals, associated with four rows of pins 13 from the core 1.
• Figure 16 characterizes an alternative according to which there is provided a flexible rod 2 not provided with protuberances; in addition, an elongated core 1 is provided along the longitudinal axis XX, substantially in the form of a feather. The rod 2 and more precisely its outer edge 26 can spread a cosmetic product on the skin of the user, like a 'liner'.
• Protuberances or pins 13 are provided on the core 1; the pins 13 are preferably oriented perpendicularly to the outer surface of the core 1.
• the rod 2 and the core 1 are provided in the same longitudinal plane as shown in the perspective view of Figure 17, with a generally elongated and flat shape of the applicator.

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• Physics & Mathematics (AREA)
• Geometry (AREA)
• Brushes (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=55236815

Family Applications (1)

Country Status (6)

Families Citing this family (18)

Family Cites Families (33)

• 2015
  • 2015-12-30 WO PCT/FR2015/053772 patent/WO2017115022A1/fr active Application Filing
  • 2015-12-30 US US16/067,305 patent/US20190014895A1/en not_active Abandoned
  • 2015-12-30 JP JP2018534739A patent/JP2019503772A/ja active Pending
  • 2015-12-30 KR KR1020187018750A patent/KR20180102079A/ko not_active Application Discontinuation
  • 2015-12-30 CN CN201580085680.4A patent/CN108697232B/zh active Active
  • 2015-12-30 EP EP15828655.9A patent/EP3397111A1/de not_active Withdrawn

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