EP3282888B1 - Dispositif applicateur d'un produit de type fluide ou pateux sur des fibres keratiniques - Google Patents

Dispositif applicateur d'un produit de type fluide ou pateux sur des fibres keratiniques Download PDF

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Publication number
EP3282888B1
EP3282888B1 EP16723408.7A EP16723408A EP3282888B1 EP 3282888 B1 EP3282888 B1 EP 3282888B1 EP 16723408 A EP16723408 A EP 16723408A EP 3282888 B1 EP3282888 B1 EP 3282888B1
Authority
EP
European Patent Office
Prior art keywords
pins
core
bristles
pin
view
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.)
Active
Application number
EP16723408.7A
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German (de)
English (en)
French (fr)
Other versions
EP3282888A1 (fr
Inventor
Eric DE BARDONNECHE
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.)
Societe Industrielle de Matieres Plastiques
Original Assignee
Societe Industrielle de Matieres Plastiques
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication of EP3282888A1 publication Critical patent/EP3282888A1/fr
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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
    • 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
    • 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

  • the invention relates to the field of applicators for a fluid or pasty cosmetic product, of the mascara type.
  • the invention relates more specifically to the device or means for applying the cosmetic product.
  • the application device itself may for example be a brush of elongated shape, provided with a central core from which a set of bristles or spikes are raised.
  • the bristles are part of an old technology: a twisted metal wire retains the hairs which are bristling transversely.
  • An example of application is illustrated in the US patent US 5,611,361 .
  • the application device is in the form of a brush comprising a series of pins embedded on the longitudinal core of the brush.
  • the assembly is molded in plastic.
  • An application device thus forms, with an appropriate reservoir into which it can be inserted, a dispenser of cosmetic product.
  • Requests FR 2 810 860 and WO 2011/045770 show some examples of applicators from this concept.
  • the drawbacks of the application devices, or brushes, of the prior art are that the pins do not allow the correct transfer of the cosmetic product from the reservoir onto the pins, and an appropriate application of the product to the keratin fibers, for them. lengthen, thicken and / or separate them.
  • a solution envisaged by the prior art for improving the mascara charge of the brushes consists in using pins having a flat face to collect the mascara while the non-flat face participates in the separation of the eyelashes.
  • the document EP 1 872 682 describes such a brush; the pins are arranged according to rows parallel to the longitudinal axis of the brush and all the pins in a row have their planar faces on the same side: the planar faces are aligned while the non-planar faces are on the same side of the line. The user of the brush therefore causes the brush to move in a direction perpendicular to the longitudinal axis of the brush, while causing the latter to rotate.
  • Brushes of this type do not exhibit maximum efficiency because the flat faces do not participate in the separation of the eyelashes and the non-flat faces do not participate in the mascara load. With this type of brush, the user is therefore forced to perform several passes over her eyelashes while reversing the movement of the brush to ensure that a sufficient charge of mascara is recovered.
  • the patent application EP 1611 817 discloses a mascara application device comprising a longitudinal support, a first and a second row of pins made monolithically with the support, embedded on the same side of the support and extending over more than a quarter of the length of the support.
  • the teeth extend on either side of a so-called separating geometric surface formed in two directions and non-parallel surfaces.
  • the pins are erected from a flat face of the support, and they are staggered on either side of the separation surface.
  • a cosmetic product applicator device comprising a longitudinal core supporting several rows of pins having a planar face and projecting radially from the core.
  • the pins are distributed in at least one row parallel to the longitudinal axis of the core, so that on the same row the pins are positioned alternately on either side of a central line (or plane) of the core. row, with their flat face facing the inside of the row.
  • the flat faces of the pins of the same row extend perpendicular to the web and are aligned, and they face in both directions gyrating around the web.
  • each pin must contribute to improving, alone or in combination with other pins, both the load of product and the separation of the eyelashes or keratin fibers.
  • the invention aims to remedy the drawbacks of the state of the art and in particular to provide an application device capable of capturing a volume. maximum cosmetic product when in contact with it, while keeping this product even after the passage (s) through the wringer; the wringer is a small part placed on the mouth of the container, capable of removing the surplus of cosmetic product picked up by the applicator itself.
  • a device for applying a product of fluid or pasty type to keratin fibers comprising a central core of elongated shape which extends along a longitudinal axis XX, at least one row of elongated pins comprising a first end embedded on the core and a second free end, the pins and the core being formed, more precisely from molding, in a single piece.
  • At least one of the pins has a flattened shape in a plane substantially perpendicular to the axis XX, said at least one pin being defined in front view by a first continuously convex or concave edge. from its base embedded in the web to the second free end, and by a second edge having at least two curvatures separated by an inflection point from its base embedded in the web to the second free end of the spike , the first and second ridges meeting at the free end.
  • said spikes have a slot in their thickness capable of defining a first and a second lateral flanks arranged vis-à-vis.
  • the volume of product retained is different between the foot and the free end of the pin: more product is retained near the free end, where the eyelashes are in almost certain contact with the pins.
  • the characteristic shape of the spikes allows maximum bending when passing through the wiper while retaining a maximum volume of cosmetic product. It is advantageously a matter of capturing a maximum volume of cosmetic product by virtue of the specific shape of the pins, of keeping this volume when passing through the wiper, then of restoring the volume once outside the product.
  • the brush according to the invention acts like a sponge which absorbs or captures product and then releases it when the eyelashes are in contact with the pins.
  • 'front view' is meant the view from one end of the elongated core.
  • said slot is provided over the entire height of the pin concerned.
  • height is meant the largest dimension of the pin, which corresponds substantially to a radial dimension of the applicator.
  • first and the second flanks have more than 5% of their surfaces facing each other. It is meant here that the sidewalls, which are arranged opposite one another, separated by the slot, have facing surfaces which represent more than 5% of the substantially planar surface of one of the flanks.
  • one of said first or second flanks has in front view a cutout (opening) substantially in the form of a semi-circle, the diameter of which corresponds substantially to a part of said second edge.
  • the first and the second sidewalls have a cutout (opening) defined from the second edge and placed at a different height from the pin.
  • the barycenter of said opening is located between one tenth and nine tenths of the total height H of the pin measured in a direction radial to the axis XX.
  • This characteristic means that said opening can be provided at a variable height on the pin, defined by a person skilled in the art depending on the case of application.
  • the pins are arranged in rows oriented along the longitudinal axis XX of the application device.
  • the shape and / or the arrangement of two pins successively implanted on the axis XX is capable of creating at least one distal opening between them.
  • At least one of the pins comprises at least one protuberance resulting from a bulge and / or from a convexity.
  • said pins together form a substantially cylindrical outer shape (or envelope).
  • the figure 1 shows a perspective of a cosmetic product applicator device, in particular mascara; this applicator comprises a central core 1 of elongated shape which extends along an axis XX.
  • the cross section of the core 1 may or may not be constant over its length; it can be circular, oval, polygonal or other.
  • a set of elongated pins 2 or positive reliefs are erected.
  • the core 1 and the pins 2 are obtained from molding.
  • the pins 2 preferably extend substantially radially around the core 1, and they are arranged in rows parallel to the longitudinal axis XX, although this arrangement is in no way limiting.
  • the figure 1A shows in more detail the implantation of the pins 2 on the core 1, implantation of the embedding type.
  • the pins are therefore embedded on the core at their base 20, while their second end 21 is free.
  • the pins are therefore flexible; their flexibility is determined by several parameters including in particular their size, shape and material.
  • the present invention provides an interesting and characteristic shape of pins 2, available in several embodiments.
  • the pins 2 have a flattened shape in a plane which is generally substantially perpendicular to the longitudinal axis XX. 'Flattened' means that the pins have a dimension along an axis of the trihedron markedly smaller than the other two. So the figure 2 and section 2A show a pin in its thickness e, of the order of mm; the figures 3 and 4 represent the same pin, on the same scale, in front view and it is clearly seen that the dimensions are several times larger.
  • the height H of this pin can be mm.
  • the pin In front view, that is to say from the end of the applicator, the pin is defined by a first edge 25 which is continuously convex from the base 20 of the pin to its free end 21.
  • the first edge corresponds favorably. to a portion of a circle.
  • the pin 2 comprises a second edge 26 successively concave and convex from the base 20 of the pin to its end 21.
  • the first edge 25 and the second edge 26 meet at the free end 21.
  • the figures 3 and 4 illustrate this characteristic shape.
  • the pins have a slot 24 located at their thickness e so as to define two flanks, themselves flattened. Section AA clearly shows the slot 24 which delimits the two flanks 22, 23 in the thickness e of the pin.
  • the thickness e is not constant here: it is large at the level of the base of the two sides, and smaller at the end of the sides. Those skilled in the art are able to finely define these dimensions.
  • the two flanks 22, 23 are called lateral flanks in the remainder of this text. They exhibit good flexibility, in particular near their convex edge 26 and / or the free end 21.
  • the slot 24 therefore constitutes a volume in which the cosmetic product is retained; the volume of product actually retained varies as a function of the pressure exerted on the lateral flanks 22, 23, as will be explained below.
  • the figure 5 shows a perspective from the embedding 20 of the pin, the characteristic shape thereof, according to the first embodiment of the invention.
  • the figure 6 shows more particularly the second flank 23 which here has a shape similar to the first flank.
  • a symmetry along a plane P is therefore provided in this embodiment of the invention.
  • the first and the second flanks here present 100% of their respective internal surfaces, facing each other.
  • the height of the slot 24 that is to say its largest dimension, measured substantially along a radius of the applicator device, corresponds to the total height H of the picot.
  • the height of the slot 24 could be less than the total height H of the slot.
  • the figures 7 to 10 illustrate a second embodiment of the invention which differs from the first by the shape of one of the side flanks 22 or 23.
  • the first 22 or the second 23 flank here has a cutout 27 substantially in the shape of a semicircle the diameter of which corresponds substantially to part of the second edge 26 of the pin.
  • the cutout 27 therefore comes from the second edge 26 of the pin; its shape is substantially semi-circular, but any similar shape falls within the scope of the invention.
  • the volume of product enclosed inside the slot 24 is less than in the first embodiment of the invention, but the pin is more flexible, which can be advantageous.
  • the eyelash C as shown on figure 10 , is directly in contact with the surface corresponding to the cutout 27 so that it is more easily loaded with product at this level; this constitutes an advantageous characteristic of the invention.
  • the first 22 and the second 23 flanks have approximately 50% of their solid surfaces facing each other.
  • each side 22, 23 has a cutout. More precisely and as notably visible on the figures 12, 13 and 14 the cutout is defined from the second edge 26.
  • the cutout on one of the sides is placed at a height H1 while the cutout provided on the other side is located at a height H2 different from the height H1.
  • the height H1 or H2 of the cutout can be defined as the distance between the embedding of the pin on the core and the barycenter of this cutout, distance measured radially to the longitudinal axis XX.
  • This embodiment of the invention allows a greater load of cosmetic product insofar as the eyelash comes into contact with the cosmetic product present on the inner face of the pin 2 on both one and the other of its faces flattened.
  • the embodiment of figures 7 to 10 allows a load via one of the faces of the pin.
  • the barycenter of the cutout 27 or 28 is located between one tenth and nine tenths of the total height H of the pin, measured in a direction radial to the axis XX.
  • the figure 14 illustrates, from a perspective from the embedding zone of the pin, a pin according to the third embodiment of the invention.
  • the first edges 25 of the pins are all oriented in the same direction, from the front, as illustrated by figure 1A .
  • the figure 15 illustrates a device in front view of a fourth embodiment of the invention; we see pins 2 aligned along the length of the arrangement; the pins each have a first curved edge 25 and a second edge 26 successively convex then concave, from the first recessed end 20 to their second free end 21. A slight overlap at the level of the bases 20 of the pins is made possible by the offset angular between two successive pins along the length of the device.
  • the figure 16 specifies the shape of the pins, in space; these pins, while being flattened, that is to say of small dimension in a side view, however have a slight curvature visible in the side view. A relief is thus created, promoting the capture of cosmetic product.
  • the figure 17 shows from a general perspective the implantation of pins, organized in rows, with a slight offset along the length, allowing the offset of the bases 20 visible on the figure 15 .
  • the figure 18 shows different views of the pins, which differ from those shown on the figure 16 by the additional presence of lugs 29 oriented according to their thickness.
  • the ergot 29 increases the capture surface of the cosmetic product, and improves contact with the eyelashes.
  • the geometry of these pins is more sophisticated than the previous ones, their manufacture by molding remains possible.
  • the figures 19, 20 and 20A illustrate an embodiment where the pins are aligned along the length of the device, with pins whose first edge 25 is curved in the same direction of curvature in front view.
  • the pins 2 are grouped in pairs to form a front view of kinds of curved petals, characteristic of the invention.
  • the pins In side view, and as visible more precisely on the figures 20 and 20A , the pins have a curvature such that two pins longitudinally juxtaposed together form a loop 30.
  • Such a loop 30 represents a reservoir of cosmetic product, moreover flexible in view of the dimensions and shapes envisaged.
  • This aspect corresponds perfectly to the objective of the invention: sponge effect, capable of capturing a maximum of product, of trapping it during passage through the wiper, then of restoring it during contact with the eyelashes.
  • the figures 21 and 22 illustrate an embodiment close to that of the figure 15 , but which differs from it by the implantation of the pins 2 on the core 1: the alignments of pins 2 (along the longitudinal axis XX) consist of an alternation of pins whose first edge 25 is curved in one direction then in the other, with the same curvature. These alignments are more especially visible on the figure 21 ; the figure 22 illustrates these same alignments, in perspective.
  • the figures 23 to 25 highlight the continuous curvature Co of the first edge 25 of the pins.
  • the circle associated with the front view of the figure 25 clearly marks the curvature in which the first edge 25 of the pins is inscribed.
  • the pins are not shown precisely, but it is important to see the circle Co on which the first edges 25 of the pins rest.

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Brushes (AREA)
EP16723408.7A 2015-04-14 2016-04-12 Dispositif applicateur d'un produit de type fluide ou pateux sur des fibres keratiniques Active EP3282888B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1553258A FR3034969B1 (fr) 2015-04-14 2015-04-14 Dispositif applicateur d'un produit de type fluide ou pateux sur des fibres keratiniques
PCT/FR2016/050840 WO2016166462A1 (fr) 2015-04-14 2016-04-12 Dispositif applicateur d'un produit de type fluide ou pateux sur des fibres keratiniques

Publications (2)

Publication Number Publication Date
EP3282888A1 EP3282888A1 (fr) 2018-02-21
EP3282888B1 true EP3282888B1 (fr) 2021-12-22

Family

ID=53366147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16723408.7A Active EP3282888B1 (fr) 2015-04-14 2016-04-12 Dispositif applicateur d'un produit de type fluide ou pateux sur des fibres keratiniques

Country Status (5)

Country Link
US (1) US10849415B2 (ja)
EP (1) EP3282888B1 (ja)
JP (1) JP6974902B2 (ja)
FR (1) FR3034969B1 (ja)
WO (1) WO2016166462A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3075017B1 (fr) * 2017-12-20 2020-01-10 L'oreal Utilisation d'un applicateur en libre rotation pour le demaquillage de mascara
WO2020058583A1 (fr) * 2018-09-19 2020-03-26 Societe Industrielle De Matieres Plastiques Dispositif applicateur d'un produit fluide
FR3088180B1 (fr) * 2018-11-09 2021-10-01 Albea Services Applicateur pour produit cosmetique, notamment du mascara, ensemble applicateur associe et procede de fabrication d'un tel applicateur
USD974772S1 (en) 2019-10-11 2023-01-10 Orveon Global Us Llc Cosmetic applicator
USD938736S1 (en) * 2019-11-06 2021-12-21 Simp Mascara brush
CN116507243A (zh) 2020-09-04 2023-07-28 马蒂埃尔斯塑胶工业公司 改进的用于流体产品或者糊状产品的施用器装置
USD984812S1 (en) * 2021-08-17 2023-05-02 Yutaka Hagiwara Hair brush pin

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070465B1 (fr) * 1999-07-21 2014-02-26 L'Oréal Dispositif de conditionnement et d'application d'un produit sur les cils ou les sourcils

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2796528B1 (fr) * 1999-07-21 2001-09-21 Oreal Dispositif de conditionnement et d'application d'un produit sur les cils ou les sourcils
FR2796527B1 (fr) 1999-07-21 2001-09-28 Oreal Dispositif de conditionnement et d'application d'un produit sur les cils ou les sourcils
EP1115303B1 (fr) * 1999-07-21 2014-10-08 L'Oréal Dispositif pour l'application d'un produit sur les fibres keratiniques
FR2890837B1 (fr) * 2005-09-21 2007-12-28 Saint Laurent Parfums Instrument d'application a parois d'un produit sur les cils ou les sourcils
FR2951359B1 (fr) * 2009-10-15 2019-12-27 L'oreal Dispositif pour appliquer un produit sur les cils ou les sourcils.
FR2961669B1 (fr) 2010-06-29 2012-08-03 Oreal Dispositif pour l'application d'un produit sur les fibres keratiniques.
DE202010017159U1 (de) * 2010-12-30 2012-04-03 Geka Gmbh Applikatoreinrichtung, insbesondere für einen Mascaraapplikator, Kosmetikapplikator, insbesondere Mascaraapplikator aufweisend die Applikatoreinrichtung und Applikationseinheit aufweisend die Applikatoreinrichtung
FR3004905B1 (fr) * 2013-04-26 2016-02-12 Oreal Applicateur pour appliquer un produit sur les cils et/ou les sourcils
FR3006566B1 (fr) * 2013-06-06 2018-04-27 L'oreal Applicateur pour appliquer un produit sur les cils et/ou les sourcils

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070465B1 (fr) * 1999-07-21 2014-02-26 L'Oréal Dispositif de conditionnement et d'application d'un produit sur les cils ou les sourcils

Also Published As

Publication number Publication date
JP6974902B2 (ja) 2021-12-01
EP3282888A1 (fr) 2018-02-21
US10849415B2 (en) 2020-12-01
US20180116388A1 (en) 2018-05-03
JP2018514274A (ja) 2018-06-07
FR3034969A1 (fr) 2016-10-21
WO2016166462A1 (fr) 2016-10-20
FR3034969B1 (fr) 2018-09-07

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