Classifications

• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • 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
  • A46B1/00—Brush bodies and bristles moulded as a unit
• • 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
  • A46B—BRUSHES
  • A46B9/00—Arrangements of the bristles in the brush body
  • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B2200/00—Brushes characterized by their functions, uses or applications
  • A46B2200/10—For human or animal care
  • A46B2200/1046—Brush used for applying cosmetics
  • A46B2200/1053—Cosmetics applicator specifically for mascara

Definitions

• Applicator for cosmetic product in particular for mascara and associated applicator assembly
• the invention relates to an applicator for a cosmetic product, in particular for mascara and an associated applicator assembly.
• twisted brushes They can be obtained from fibrous elements held between the longitudinal parts of a twisted metal pin; they are then commonly called “twisted brushes”. They can also be injection molded plastic, they are then commonly called “plastic brushes”.
• the invention proposes to make a plastic brush whose protuberances, at their ends, form a complex envelope, having advantageous characteristics in terms of makeup.
• the invention relates to an applicator for a cosmetic product, in particular for mascara, comprising a core extending in a main direction of longitudinal extension, called the extension axis, and protuberances protruding from said core in substantially radial directions to the axis of extension, the protuberances being molded with the soul.
• the free ends of the protuberances form at least two envelopes nested along the extension axis, a first helical envelope formed by a first plurality of protuberances, and a second envelope formed by a second plurality of protuberances, the second envelope having, from the axis of extension, a radial extension which is smaller than the radial extension of the first envelope.
• the plastic brush of the invention thus proposes a particular arrangement of protuberances which offers specific advantages for the distribution of mascara, all along the brush, for example concerning functions such as loading or combing.
• This arrangement enhances the effects of eyelash thickening, eyelash lengthening and / or eyelash separation induced by the application of mascara using the brush of the invention.
• said core has a distal end and a proximal end
• the protuberances are distributed over the entire periphery of said core,
• the protuberances are distributed over a substantial part of its length from the distal end
• the proximal end is a sleeve without protuberances
• the first and second envelopes extend from the distal end to the proximal end
• the protuberances of said first and second envelopes form a chamfer in the vicinity of the distal end
• the core is made of plastic material
• the protuberances are made of plastic material
• the core and the protuberances are molded in continuity of material in the same material
• said casings have a screw-like shape, around the axis of extension, in the form of a helix of circular cross-section,
• each radial row is spaced apart from each other along the core
• a plurality of rows, called mixed rows, of said radial rows comprises protuberances of each of the envelopes
• said mixed rows comprise as many protuberances with the smallest radial extension as with the largest radial extension protuberances
• the protuberances have a semicircular section
• the protuberances each have a flat surface
• the protuberances are positioned so that plane surfaces of two adjacent protuberances are oriented in the same direction of rotation, the protuberances each extend along a normal to the axis of the core,
• the protuberances are rectilinear
• the core is of constant cross section
• the applicator forms a brush.
• the invention also relates, advantageously, to an applicator assembly for a cosmetic product, comprising a container comprising a body forming a reservoir intended to contain the cosmetic product, and an applicator as described above, adapted to be fixed on the container, of so that the applicator is housed inside the tank.
• FIG. 1 illustrates a facial drawing of an exemplary embodiment of an applicator according to the invention
• Figure 2 illustrates a sectional view along the axis A-A identified in Figure 1.
• the invention relates to an applicator 10 for a cosmetic product, especially for mascara, comprising a core 12 extending in a main direction of longitudinal extension, called the extension axis and marked X in FIG.
• the core 12 has a first end, said proximal end 13 adapted to be fixed to an applicator rod by a sleeve 14 extending said core 12, and a second free end, said distal end 1 6.
• Said sleeve 14 allows the fixation of the applicator 10 on a rod (not shown).
• the applicator 10 further comprises a plurality of protuberances 30 which protrude from the core 12 in directions substantially radial to the extension axis X.
• the free ends of the protuberances 30 form at least two envelopes E1, E2 nested along the extension axis X, a first helical envelope E1 formed by a first plurality of protuberances 31, and a second helical envelope E2 formed by a second a plurality of protuberances 32, the second envelope E2 having, from the extension axis X, a radial extension which is smaller than the radial extension of the first envelope E1.
• Radial extension of an envelope E1, E2, and hence protuberances 31, 32 which compose it, is the distance between the axis of extension X and the free end of said protuberance 31, 32.
• the first and second envelopes E1, E2 preferably extend from the distal end 16 to the proximal end 13 of the core.
• the applicator according to the invention has protrusions 31, 32, of respective radial extension L31 and L32, which comply with the following formula:
• some of the protuberances 31 which form the envelope E1 have a radial extension L31 substantially equal, for example, to 4.75 mm.
• Some of the protuberances 32 which form the envelope E2 have, for their part, a radial extension L32 substantially equal, for example, to 3.3 mm.
• the presence of protuberances 31 ', 32' of intermediate radial extension (see Figure 2).
• radial row of protuberances 30 a row of protuberances 30 disposed around the core 12, in the same plane orthogonal to the core, said plane cutting the core in a direction which is here substantially circular.
• a parallel row of protuberances 30 will be understood to mean a row of protuberances 30 disposed along the core 12, on the same line, said line being substantially parallel to the axis of extension X.
• the helical envelopes E1, E2 are nested one inside the other. In the exemplary embodiment illustrated here, they are defined by the angular offset of the protuberances 31, 32 which form them.
• a radial row of protuberances 30 includes both protrusions belonging to the plurality of protuberances 31 forming the envelope E1 and to the plurality of protuberances 32 forming the envelope E2.
• two successive radial rows comprise the same number of protuberances and are angularly offset, relative to one another, along the extension axis X. It is this angular offset that allows here the formation helical envelopes E1, E2.
• two successive radial rows are the image of one another by rotation around the axis of extension X. This is the case either on the whole of the core 12 between its proximal end 13 and its end.
• the casing formed by the protuberances present on the remainder of the core 12 then optionally having a shape of chamfer or frustoconical.
• the following succession is observed along the extension axis X: two radial rows presenting the same angular setting around the core 12, then two other rows radial radial calluses angularly to each other but offset from the first two radial rows, then two other radial rows angularly angularly interposed and angularly offset from the two previous and the first two, the protuberances 30 of the last two rows being here aligned, in the direction of the soul, with the protuberances 30 of the first two rows.
• the number of two radial rows called together but offset from the directly adjacent rows may vary; thus, according to other non-illustrated exemplary embodiments, the following successions are possible along the extension axis X: ⁇ radial rows having the same angular setting around the core 12, then other radial squared rows angularly to each other but offset from the ⁇ first radial rows, then again x other radial rows angularly angularly interposed, angularly offset relative to the previous y and with respect to the first x , with a possible alignment in the direction of the soul; x and y respecting the formula: 1 ⁇ x > y ⁇ 5 .
• a parallel row of protuberances 30 also includes both protrusions belonging to the plurality of protuberances 31 forming the envelope E1 and to the plurality of protuberances 32 forming the envelope E2.
• mixed row will be called a radial row which comprises protuberances 30 of each of the envelopes E1, E2.
• the section shown in FIG. 2 illustrates such a mixed row.
• Said mixed row comprises an alternation of protuberances 31 of the first type with protuberances 32 of the second type. More precisely, it can be seen that three protuberances 31, 31 'of the first type alternate, here, with three protuberances 32, 32' of the second type and that this alternation is sequential.
• each group of three protuberances 31, 32 comprises a protrusion 31 ', 32' of intermediate radial extension, said protuberance 31 ', 32' being flanked by two protuberances 31, 32 of the same type.
• These protuberances 31 ', 32', said intermediate, form surface tanks of cosmetic product within their envelope E1, E2; these shallow reservoirs extending along the main axis X.
• the envelope E2 forms a helical groove inside the envelope E1, helical too.
• the envelopes E1, E2 each comprise a central groove, helical, formed by the protuberances 31 ', 32' of intermediate radial extension. Said central groove is less visible relative to its envelope E1, E2 than can be the groove formed by the second envelope E2 relative to the first envelope E1.
• an applicator 10 may be formed by an axial succession of mixed rows, each of said mixed rows comprising a higher number of protuberances 31 defining the first helical envelope E1 than of protuberances 32 defining the second helical envelope E2, this without departing from the scope of the invention.
• the associated applicator assembly includes a container.
• Said container generally comprises a wiper fixed inside its neck to limit the amount of product on the protuberances 30, in particular those of the longest radial extensions, namely the protuberances 31. The latter then serve to comb the eyelashes, while the protuberances 32, of smaller radial extension, which will be only spun, serve to load the eyelashes cosmetic product.
• said envelopes E1, E2 have a screw shape, around the extension axis X.
• the envelopes E1, E2 have a helical shape, of circular cross section, with a step which goes to the right , or left, in particular from the proximal end 13 to the distal end 1 6. This has the advantage of adding a guiding effect to the combing of the eyelashes.
• the effect associated with the alternation of two types of envelopes E1, E2 around a core 12 is particularly advantageous. It allows the user to benefit, in a simple gesture of rotation of the applicator 10 around its axis of extension X, areas of loads, namely the zones created by the envelope E2, and combing zones eyelashes, namely the zones created by the envelope E1.
• the charging and combing areas follow each other around the core 12 of the applicator 10 in the form of envelopes E1, E2 imbricated one in the other, and this over its entire length.
• the charging and combing zones succeed each other, axially and angularly, along and around the axis X of the applicator 10, while guiding the eyelashes of a user without the latter having to translate.
• the protuberances 30 are molded with the core 12.
• the protuberances 30 may be made from material with the core 12 or molded onto the core 12.
• the protuberances 30 may have a semicircular section. In this way, they preferably each have a flat surface. Said protuberances 30 are here positioned so that the flat surfaces of two adjacent protuberances are oriented in the same direction of rotation around the core 12. In addition, always to facilitate the manufacturing operations, the protuberances 30 will preferably rectilinear and will extend, each, along a normal to the axis of the soul 12.
• the protuberances 30 will preferably come from material of the core 12.
• the core 12 and the protuberances 30 may be molded from a material based on LDPE (low density polyethylene).
• LDPE low density polyethylene
• Other materials may still be used, namely the "EXACT” material of ExxonMobil or the “HYTREL” material of Dupont, or a mixture of these materials.
• the applicator 10 forms, advantageously, a brush.
• the core 12 is preferably of constant section, at least in its shape, whose cross section is substantially circular. This form may, however, be polygonal, or even ellipsoidal, without this outside the scope of the invention.
• the invention also relates to an applicator assembly for a cosmetic product, comprising a container (not shown) comprising a body forming a reservoir containing the cosmetic product, and an applicator 10 as previously described, adapted to be fixed on the container, so that the applicator is housed inside the tank.
• Said applicator 10 is fixed, for example, to the end of a rod (not shown), itself attached to a plug (not shown) advantageously screwed to the container.
• the sleeve 14 is located in the rod and the proximal end 13 of the core forms the visible proximal end of the applicator.
• protuberances 31, 32 of said first and second envelopes E1, E2 form a chamfer in the vicinity of the distal end 1 6; this in order to facilitate the reinsertion of the applicator 10 according to the invention, towards the inside of the tank, after use. It should also be noted that variant embodiments are of course possible.
• the applicator 10 of the invention comprises a number of envelopes other than two; that is, a smaller number - for example a single helical envelope nested with a cylindrical envelope - or a higher number - for example three interlocked helical envelopes, hence three pluralities of protuberances each defining one of the three helical envelopes, each having protuberances having a radial extension different from the other two.

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• Physics & Mathematics (AREA)
• Geometry (AREA)
• Brushes (AREA)
• Closures For Containers (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=50513322

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Citations (2)

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• 2014
  • 2014-02-24 FR FR1451462A patent/FR3017783B1/fr active Active
• 2015
  • 2015-02-11 BR BR212016019437U patent/BR212016019437U2/pt not_active IP Right Cessation
  • 2015-02-11 EP EP15705259.8A patent/EP3110287B1/de active Active
  • 2015-02-11 WO PCT/EP2015/052870 patent/WO2015124479A1/fr active Application Filing
  • 2015-02-11 CN CN201590000313.5U patent/CN206303400U/zh active Active
  • 2015-02-11 US US15/120,985 patent/US20160360859A1/en not_active Abandoned

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