Classifications

• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B9/00—Arrangements of the bristles in the brush body
  • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
  • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
  • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
• • 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
• • 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
  • A46B3/005—Bristle carriers and bristles moulded as a unit
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B7/00—Bristle carriers arranged in the brush body
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
  • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
  • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
  • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • 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 cosmetic product applicators.
• An article of mascara, or "mascara”, conventionally includes a mascara reservoir and an applicator.
• applicators there are two types of applicators, those of brush type and those injected.
• a brush-type applicator forms a brush that includes bristles formed by fibers trapped in a twisted wire forming the core of the applicator.
• An injected applicator is in one piece and has plastic bristles or teeth.
• Such applicators give satisfactory results for the user. But the latter is always looking for new or better makeup effects, as well as a better application comfort.
• the improvements one can note the search for a better separation of the eyelashes, a better effect lengthening and / or curling eyelashes, or a different makeup effect depending on the location of the eyelash in a row of lashes.
• An object of the invention is therefore to improve the applicators of cosmetic product.
• a cosmetic product applicator for the eyelashes which comprises a core having a cavity and lateral orifices placing the cavity in communication with the outside of the core, the orifices being arranged in staggered rows.
• the orifices and the cavity can be loaded with makeup product when the applicator is immersed in a reservoir provided for this purpose. Then, during makeup, the product covering the applicator is deposited on the eyelashes. But the product is also gradually discharged from the orifices. This can occur under the effect of the passage of the eyelashes against the orifices. This can also result, if necessary, the bending and / or compression of the soul which then behaves a bit like a sponge. In fact, the orifices reduce the rigidity of the soul and give it greater flexibility. Naturally, this flexibility depends on the dimensions and the material chosen for the soul.
• the soul has a cylindrical shape.
• the core is advantageous to give the core a cylindrical shape. Indeed, such a shape ensures a good regularity of loading makeup product along the applicator and facilitates obtaining a uniform makeup through a good distribution of the product on the row of eyelashes.
• the soul has a shape such as any section of the soul in a plane perpendicular to a main axis of the applicator is convex.
• At least some of the orifices have a larger axis parallel to the main axis of the applicator.
• the orifices form crowns extending in planes perpendicular to the main axis of the applicator, at least some of the orifices having high and low peaks along their largest axis, the top top of at least one of the orifices being closer to a distal end of the applicator than the bottom apex of at least one orifice of a successive upper ring.
• the soul has a symmetrical shape of revolution.
• the orifices form crowns extending in planes perpendicular to a main axis of the applicator, a distance between two orifices of a ring being smaller than a larger dimension of one of the two orifices along the plane of the crowned.
• the orifices form rows parallel to a main axis of the applicator, a distance between two orifices of a row being smaller than a larger dimension of one of the two orifices along the main axis.
• At least some of the orifices have a polygon shape.
• at least some of the orifices have a diamond shape.
• This shape is particularly conducive to an arrangement of staggered holes since it optimizes the arrangement of the orifices on the wall of the soul.
• At least some of the orifices are identical, preferably all orifices being identical.
• each orifice having a smaller section having a normal direction oriented towards the cavity the set of smaller sections of orifices occupying less than half of an area of a wall of the core.
• the orifices extend over a portion of the applicator forming less than half a length of the applicator.
• the applicator comprises protuberances on more than half the length of the applicator.
• each orifice extends over less than 20% of a turn of the core, preferably less than 15% of a turn, for example less than 10% of a turn.
• At least some of the orifices have an external chamfer.
• this chamfer facilitates the exit of the product out of the orifices and its contact with the eyelashes during makeup.
• the applicator comprises protuberances, all the protuberances extend integrally out of the orifices.
• the orifices are completely free to receive the product and then unload during makeup. And the protuberances that contribute largely to the coating of the eyelashes with the product do not interfere with the orifices.
• At least some of the orifices having a diamond shape are surrounded by eight protuberances: four protuberances extending opposite the four apices of the orifice and four protuberances extending opposite the media on each side of the orifices.
• the protuberances form rows parallel to a main axis of the applicator, at least some of the rows having different numbers of protuberances from each other.
• the protuberances form crowns perpendicular to a main axis of the applicator, at least some of the crowns having different numbers of protuberances from each other.
• the applicator is in one piece.
• This may include an applicator manufactured by additive synthesis as explained below.
• the invention also provides a cosmetic article comprising a cosmetic product reservoir and an applicator according to the invention.
• an additive synthesis manufacturing process comprising steps of:
• an electronic recording medium comprising in recorded form data for implementing such a method.
• the invention provides a method of making available such a file for download on a telecommunication network.
• FIG. 1 is a longitudinal sectional view of a cosmetic article according to one embodiment of the invention
• FIG. 2 is a side view of an applicator of the article of FIG. 1 with its stem and the cap of the reservoir,
• FIGS. 3 to 6 are views on a larger scale of the applicator of FIG. 2,
• FIG. 7 is an end view of the applicator of FIG. 3,
• FIG. 8 is a view of the core of the applicator of FIG. 3 unwound on a plane
• Figure 9 is a view similar to Figure 3 showing an alternative embodiment of the applicator according to the invention.
• Article 2 comprises a bottle 4 having a reservoir for a cosmetic product 6 which is in this case mascara.
• the bottle has in the upper part a neck 8 whose diameter is smaller than the largest transverse dimension of the bottle 4.
• the article comprises an applicator 12 attached to the end of a rod 14 which carries at its other end a cap 16.
• the article is configured so that the cap 16 can be screwed onto the neck 8 in a position in which the distal end portion of the rod 14 and the entirety of the applicator 12 soak in the product 6. This is the configuration which is illustrated in Figure 1.
• the article is closed.
• the applicator 12 has a longitudinal axis 18 which coincides with that of the rod 14, the plug 16 and the entire article 2.
• the applicator comprises a core or body 20.
• the core has a generally symmetrical shape about the axis 18.
• the core comprises a wall having an outer face 22 which is here cylindrical.
• the soul is formed so that any section of the soul in a plane perpendicular to the axis is convex.
• the outer face 22 has a section perpendicular to the axis of generally circular shape.
• the core thus has a general shape of sleeve and tube.
• Soul 20 is hollow.
• the wall has an inner face also cylindrical in shape with a circular section in a plane perpendicular to the axis 18.
• the core thus delimits a cavity. This cavity is closed at the two axial ends of the core as seen in particular in FIG.
• the wall of the soul is perforated. It thus has openings or orifices 24 which are through so that they each put in communication the cavity of the soul with the outside of the soul.
• All the orifices are identical in this case. Here they have a shape of polygon, quadrilateral, and even rhombus.
• the rhombus is arranged so that its largest diagonal is parallel to the axis 18 so that its shortest diagonal extends in the circumferential direction of the core.
• each orifice is chamfered. It thus has a first chamfer, external chamfer or main chamfer 26 contiguous to the outer face 22 of the soul. This chamfer is itself extended towards the inside of the orifice by a second chamfer 26 or internal chamfer.
• the portion of the orifice that follows the second chamfer is the one that has the smallest section among the different sections of the orifice. This section is taken in a plane perpendicular to the radial direction to the axis 18. This last direction is oriented towards the cavity. In other words, this section has a normal direction oriented towards the cavity and the axis.
• the number of orifices 24 and their dimensions are chosen so that the assembly these smaller sections occupy less than half of a total area of the outer surface of the soul. This is observed for example in Figure 8 on which the soul was fictitiously unrolled in a plane. In other words, the lateral zone of the core is occupied mainly by the solid parts of the face 22 and not by the orifices 24.
• each orifice are chosen such that it extends over less than 20% of a revolution of the core, preferably less than 15% of a revolution, for example less than 10% of 'a lap.
• the small diagonal of the rhombus which constitutes its largest dimension in the circumferential direction is in a ratio of 4 to 45 with respect to the total dimension of the circumference of the core, so that this dimension s' extends on 8.89% of a soul turn.
• the orifices 24 are arranged so that they form rectilinear rows parallel to the axis 18. In addition, they are arranged so that they form rings of orifices around the axis 18, the orifices of a same crown extending in the same plane. In addition, the orifices are arranged in staggered rows. Thus, the orifices of a row are shifted by half a unit in the direction of the axis relative to those of the two adjacent rows, the unit being defined as the distance separating the centers of two adjacent orifices of a row. same row. Similarly, the orifices of a crown are offset by one half-unit in the circumferential direction relative to those of the two adjacent crowns, the unit being defined as the distance separating the centers of two adjacent orifices of the same crown. .
• all the rows comprise seven orifices 24. And the number of rows is equal to 10.
• the number of crowns is equal to 14 and each crown comprises five orifices. The number of orifices is therefore 70.
• the number of orifices is more generally between 15 and 280, or even between 30 and 140, or even between 60 and 90.
• the arrangement of the rows and rings and the dimensions of the orifices 24 are chosen so that the diamonds also form helical rows. Moreover, in each helical row, two opposite sides of the lozenges are collinear with each other. And if we consider any group of four orifices closest to each other, their centers form a rhombus which has the same proportions as the rhombus of each orifice.
• the orifices form a lattice and a mesh. It will be possible for example to give diamonds diagonals length 0.9 mm x 0.4 mm.
• the applicator also comprises protuberances 30 forming in this case bristles. All the protuberances extend from the outer face 22 and none extends into one of the orifices 24, not even from one of the chamfers. Apart from a distal end zone of the applicator in which the protuberances have a reduced length, all the protuberances of the applicator have the same length. This length is worth in this case more than 80% of the diameter of the core and more generally is greater than 50% of this diameter.
• the protuberances 30 all extend in a direction radial to the axis 18 being perpendicular to this axis.
• the protuberances are arranged in the following manner.
• a protrusion 30 extends between each pair of consecutive diamonds in the row. But the protuberance extends away from the ends of these lozenges. On the other hand, it is contiguous with the ends of the adjacent lozenges of the two adjacent rows.
• rows 5, 6, 9 and 10 the arrangement is identical to that of rows 1 and 2.
• rows 7 and 8 the arrangement is identical to that of rows 3 and 4.
• protuberances 30 which we will call here intermediate protuberances, are arranged between the opposite sides of the adjacent diamonds of two rows. Thus, for each pair of sides considered, there is a protrusion contiguous to these two sides.
• These secondary protuberances form crowns of protuberances extending in the same plane perpendicular to the axis 18 and not including any other protuberances.
• the protuberances thus form rectilinear rows parallel to the axis 18, some rows having the same number of protuberances and others not.
• the rows number 1 and 2 there are seven protuberances.
• each ring of intermediate protuberances comprises 10 protuberances. In the other crowns there are sometimes two, sometimes three protuberances. And here there are in total 42 rows of protuberances 30.
• This applicator is in one piece. It is for example made of plastic.
• the article is used for makeup of eyelashes or eyebrows. At rest, the article is in the configuration of Figure 1, with the applicator 12 immersed in the mascara 6 of the reservoir. The cavity of the applicator is filled with mascara and the orifices 24.
• the user unscrews the cap 16 and then extracts the applicator 12 from the reservoir. During this extraction, the applicator is wrung out through the wiper 10 to remove excess mascara. This spin eliminates the excess product on the protuberances 30 but largely preserves that which is in the orifices 24 and in the cavity.
• the product that coats the protuberances is therefore progressively transferred to the eyelashes.
• a portion of the product housed in the orifices is transferred by capillarity on the face 22 and on the protuberances.
• the eyelashes can be brought to the surface of the holes to be loaded directly mascara. Since the dimensions of the applicator and its material are chosen to give it a certain flexibility, the applicator experiences reflexion and contraction movements of its section which also lead to the release of more product so that it passes from the cavity to the orifices, then to the outside of the soul. It is therefore not necessary to frequently recharge the mascara applicator by dipping it in the tank.
• the orifices 24 and the cavity in fact contribute to feed progressively the protuberances 30 and the eyelashes mascara as it is deposited on the eyelashes.
• the applicator behaves a bit like a sponge and rejects mascara out of its orifices as and when makeup.
• the rows of protuberances also ensure combing and separation of the eyelashes to avoid the formation of packages. They promote a regular lash coating with mascara to help give them an effect of lengthening and volume.
• the applicator 20 differs from that of Figure 3 only in that the orifices are present only in reduced portions of the applicator.
• the applicator has no holes on more than half its length, the orifices extending only in the distal end section.
• This section has a length 11 which is less than half of the total length L of the applicator.
• the lower part of the applicator in Figure 9 is not taken into account for this total length because it is plugged into the end of the rod and therefore does not contribute to makeup.
• the orifices 24 do not extend over the entire circumference of the applicator.
• the orifices are arranged on a reduced number of cylinder sectors, which are in this case four in number and regularly distributed around the axis 18. On the sector which is visible in Figure 9, there are thus nine holes 24
• the applicator therefore comprises only 36 orifices in this case. More generally, such an applicator may comprise a number of orifices of between 15 and 140 for example.
• the arrangement and the number of protuberances on the other hand is unchanged. Naturally, however, it would be possible to also modify the number and / or the arrangement of the protuberances.
• the product reloading effect provided by the orifices 24 and the cavity is thus reserved for the distal end portion of the applicator while the applicator comprises protuberances 30 over most of its total length. L.
• An applicator is thus obtained, which is more loaded with mascara at the outlet of the reservoir and during makeup on the distal end portion provided with orifices than on the remainder of the applicator, which also has protuberances 30, but not orifices 24.
• the applicators presented here are made in one piece. More particularly, these applicators are here produced by additive synthesis, also called three-dimensional printing.
• any suitable material is suitable for making these applicators.
• This may be a plastic material, for example a polyamide, especially a polyamide 1102, a PEBA 2301, or an ABS type resin, or a powder metal such as stainless steel or titanium.
• polyamide 11 polyundecanamide, nylon 11, PA 11, sometimes referred to as "French nylon” which is a thermoplastic polymer of the family of aliphatic polyamides may be chosen.
• the material may be rigid but will preferably be elastically flexible. It is preferable that the material, in combination with the shape characteristics of the applicator, gives him some flexibility.
• a mascara applicator generally has a length of less than 20 mm.
• the applicator is initially designed on computer-aided design software (CAD).
• CAD computer-aided design software
• An STL file including the design data of the designed applicator is then exported. These data determine the shape of the applicator.
• Other standard file formats for additive synthesis can be used.
• This file is then processed by software provided by the manufacturer of the machine used to perform the additive synthesis.
• This software cuts the file into sections in the form of a hundred digital images in SLI or BFF format, each of them corresponding to a layer of the model to be printed, that is to say to a section of the applicator taken in a plane perpendicular to the longitudinal axis of the applicator.
• This data is then sent to the printer to produce the applicator.
• treatments can be applied to the applicator, for example to improve the appearance.
• the applicator may be given a shape that is not cylindrical, the section of which is not circular and / or which is not a symmetrical shape of revolution.
• the section of the applicator could for example have an ellipse shape.
• the orifices 24 will not necessarily have a quadrilateral shape or even a polygon. They could for example have a circular or square shape. Some of the orifices of the same applicator according to the invention may have different shapes from each other.
• the applicators illustrated here have a generally rectilinear shape, it is possible to give them a non-rectilinear shape, for example a curved or wavy shape.
• applicators have been shown to comprise identical bristle-forming protuberances, it is also possible to provide that these protuberances form teeth or that the applicator comprises protuberances forming bristles and others forming teeth.

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• Brushes (AREA)
• Cosmetics (AREA)

Priority Applications (4)

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Publications (1)

Family

ID=59649745

Family Applications (1)

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Cited By (4)

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Citations (4)

Family Cites Families (7)

• 2016
  • 2016-12-22 FR FR1663182A patent/FR3060956B1/fr active Active
• 2017
  • 2017-12-21 JP JP2019532771A patent/JP7065096B2/ja active Active
  • 2017-12-21 KR KR1020197021212A patent/KR102619299B1/ko active Active
  • 2017-12-21 US US16/473,084 patent/US11832716B2/en active Active
  • 2017-12-21 WO PCT/FR2017/053784 patent/WO2018115770A1/fr not_active Ceased
  • 2017-12-21 EP EP17832274.9A patent/EP3558055A1/fr active Pending

Patent Citations (4)

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