• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an applicator (10) for a cosmetic product, in particular mascara, comprising a twisted core (12) and fibers which extend from the core (12) while being held by said core (12), said core (12) having a distal end (16) and a proximal end (14), said fibers forming an envelope (E) with their free end, characterized in that said envelope (E) has curved faces (F1-F4 ) having at least one slope, or inclination, of said distal end (16) at said proximal end (14), said slope or inclination changing from one face (F1, F3) to another (F2, F4) so that said envelope (E) has recesses alternating with reliefs around said core (12). The invention also relates to a method for the manufacture of an applicator (10) for a cosmetic product, comprising a step of positioning a plurality of fibers between longitudinal portions of a pin, a first step of twisting said pin, then a step cuts fibers.
    公开号:FR3019017A1
    申请号:FR1452518
    申请日:2014-03-25
    公开日:2015-10-02
    发明作者:Camille Schreiber；Anne Rutigliano；Patrick Lhoyer
    申请人:Albea Services SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to an applicator for a cosmetic product, in particular mascara. The invention further relates to a method for the manufacture of such an applicator. The applicators for mascara can be injection molded of plastic, they are then commonly called "plastic brushes". They can also be obtained from fibrous elements held between the longitudinal portions of a twisted metal pin; they are then commonly called "twisted brushes". Applicators for a cosmetic product have a core, or central portion, and spikes extending radially around said core. The ends of said spikes usually form elongated envelopes in a direction of longitudinal extension of said applicator. The spikes of twisted brushes are commonly called "fibers". The plastic brushes of the prior art have pin distributions around the core that allow the realization of complex envelopes favoring makeup. With regard to twisted brushes, such characteristics seem more difficult to obtain, unless fiber-cutting operations are used along paths that are difficult to implement. The invention proposes to improve the situation and relates to an applicator for a cosmetic product, in particular mascara, comprising a twisted core and fibers which extend from the core while being held by said core, said core having one end distal and a proximal end, said fibers forming an envelope with their free end. According to the invention, said envelope has curved faces having at least one slope, or inclination, of said distal end to said proximal end, said slope or inclination changing direction from one face to another so that said envelope presents hollows alternating with reliefs around said core, that is to say by turning around said core in a plane orthogonal thereto and this, advantageously, all along the soul from its distal end to its proximal end. "Curved faces" means non-planar faces.
    [0002] Faces with simple surface ripples are also not understood as curved. The applicator of the invention proposes a particular arrangement of fibers which offers specific advantages for the mascara distribution, for example concerning functions such as loading or combing. This arrangement improves the effects of thickening of the eyelashes, elongation of the eyelashes and / or separation of the eyelashes induced by the application of mascara using the applicator of the invention, this with choices of profiles which remain relatively easy to obtain. In addition, the use of a twisted brush, such as the applicator of the invention, allows a greater density of fibers than with the pins of the plastic brushes. According to various embodiments of the invention, which may be taken together or separately: said fibers are distributed around said core over a substantial part of its length from the distal end, said proximal end is extended by a rod devoid of fibers, - said faces are delimited by disjointed lateral edges, that is to say edges having no common point, including at their longitudinal ends, - the direction of said slope, or inclination , alternately reverse around said core, from one face to the other, - said envelope comprises at least two pairs of faces, - each face belonging to one said pair is opposed to the other face of said pair relative at the core of the brush, the two faces of the same pair have slopes, or opposite inclinations, the direction of said slopes, or inclinations, reverse direction from one pair of faces to the other, the faces of the same pair are symmetrical with respect to a median plane comprising the core, the envelope comprises a pair of substantially convex curved faces from the distal end to the proximal end of the core, and a pair of substantially concave curved faces from the distal end to the proximal end of the core; the core has a level located between its distal and proximal ends, said intermediate level, in particular substantially equidistant from said distal and proximal ends; the casing comprises a pair of curved faces having a concave corrugation from the distal end to said intermediate level and a convex corrugation of said intermediate level to the proximal end, and a pair of curved faces having a convex end corrugation distal to said intermediate level and a concave corrugation from said intermediate level to the proximal end, - each of the curved faces es is generated by a straight line, said generator line, said generator line being orthogonal to the core and orthogonal to the plane of symmetry of said face, the envelope has a cross section in a plane substantially orthogonal to the core, the shape is a polygon, all along said soul, from said end distal to said proximal end, - said shape is in particular a quadrilateral, or even a rectangle, - said envelope has chamfers at all or part of its faces, at the distal end of said core, said envelope comprises at least two opposite faces with chamfers symmetrical with respect to said core, said envelope is a helical envelope, said core consists of a twisted rod, the core is right. The invention also relates to a method for the manufacture of an applicator for a cosmetic product, in particular mascara, said method comprising: a step of positioning a plurality of fibers between longitudinal portions of a spindle, and then a first step twisting said pin to form a twisted pin having fibers extending radially around it, the ends of said fibers forming a cylindrical shell extending in a direction of longitudinal extension around said pin, then - a step cutting fibers, so that said fibers form an envelope with their free end, said envelope having curved faces having at least one slope, or inclination, of said distal end to said proximal end, said slope or inclination changing direction from one face to the other so that said envelope has recesses alternating with reliefs around the adite soul, including an envelope such as that mentioned above. The applicator thus manufactured has the advantage of having a distribution of fibers whose ends form a complex envelope around its core by using an operation which remains simple to implement, namely, here, a cutting step . According to various embodiments of the invention, which may be taken together or separately: said method comprises a second step of twisting said pin after said step of cutting fibers, said cutout being digitally controlled. The invention also relates to a receptacle for a cosmetic product, in particular mascara, capable of containing an applicator as described above. The invention will be better understood, and other objects, details, features and advantages thereof will become more clearly apparent from the following detailed explanatory description of at least one embodiment of the given invention. by way of purely illustrative and non-limiting example, with reference to the accompanying schematic drawings. In these drawings: FIG. 1 is a front view of a first embodiment of an applicator according to the invention; FIG. 2 represents the applicator of FIG. 1 after it has been rotated; a quarter turn around its longitudinal axis, - Figure 3 is a front view of a second embodiment of an applicator according to the invention, - Figure 4 shows the applicator of Figure 3 after that it has been rotated a quarter turn around its longitudinal axis. The invention relates to an applicator 10 for a cosmetic product, in particular mascara, comprising a twisted core 12 and fibers which extend from the core 12 while being held by said core 12. The core 12 is here formed by a metal rod, or pin, comprising two branches, or longitudinal portions, optionally interconnected by a curved portion. Said metal rod is, for example, folded in two so as to form a "U", the branches of the U is then twisted together. The fibers extend radially from the core 12 between a distal end 16 and a proximal end 14 of the core 12. The fibers each have a free end and form an envelope E with. Figures 1 to 4 illustrate in particular two embodiments of envelope E according to the invention. Envelope printing will of course be more or less present depending on the density of the fibers. The applicator 10 extends in a main direction of longitudinal extension, or main axis, which is marked X in FIGS. 1 to 4. This axis X is also advantageously the axis of the core 12. The core 12 will therefore be advantageously straight. Thus, the fibers extend radially from the core 12, that is to say transversely to the X axis, to form different envelopes E with their free end, between the distal end 16 and proximal end 14. 12. These ends 14, 16 are opposite to the X axis and are spaced along said X axis by a distance marked H in FIGS. 1 and 3. Said distance H is comprised by example, between 22mm and 30mm, and substantially equal, for example, to 26mm or 27mm. It should be noted that the proximal end 14 is here extended by a portion of the stem devoid of fibers. As illustrated in FIGS. 1 to 4, the envelope E has curved faces F1-F4 having at least one slope, or inclination, of said distal end 16 at said proximal end 14. Said slopes or inclinations change direction from one face F1, F3 to the other F2, F4 so that said envelope E has recesses alternating with reliefs around said core 12, that is to say by turning around said core in an orthogonal plane to this and this, advantageously, all along the core 12, from its distal end 16 to its proximal end 14.
    [0003] Thus, in FIG. 1, the hollows are located in the vicinity of an intermediate line 15 situated between the distal and proximal ends 14. Said intermediate line 15 belongs to a plane substantially orthogonal to the axis X which comprises an intermediate point of the axis X, said point being advantageously equidistant from said ends 14, 16. The distance h15 separating the proximal end 14 of this intermediate line 15, along said axis X, is substantially equal, for example, to 13mm. This intermediate line 15 is an imaginary line which follows the periphery of the envelope E. Conversely, when the applicator 10 is viewed from the side, as illustrated in FIG. 2, the depressions are close to the distal and proximal ends 14, 16 and the reliefs, close to the intermediate line 15. The envelope E of the embodiment illustrated in FIGS. 1 and 2 therefore comprises a pair of substantially convex curved faces F2, F4 from the distal end 16 to the proximal end 14 of the soul 12. It should be noted that FIG. 1 illustrates the face F2 by its outlines, in a plane (that of the sheet); however, the curvature in the space of said face F2 is visible in Figure 2 because it is shown in profile. The envelope E of the embodiment illustrated in FIGS. 1 and 2 further comprises a pair of substantially concave curved faces F1, F3 from the distal end 16 to the proximal end 14 of the core 12 (illustrated in FIG. Figure 2 but whose curvature in space is visible in Figure 1). Figures 3 and 4 illustrate another embodiment of an applicator 10 according to the invention. Thus, in FIG. 3, the recesses are situated between the distal end 16 and the intermediate line 15 and in the vicinity of the proximal end 14, while the reliefs are situated in the vicinity of the proximal end 16, as well as between the intermediate line 15 and the proximal end 14. Conversely, when the applicator 10 is viewed from the side, as illustrated in FIG. 4, the recesses are situated in the vicinity of the distal end 16 as well as between the intermediate line 15 and the proximal end 14, while the reliefs are located between the distal end 16 and the intermediate line 15 and in the vicinity of the proximal end 14. The envelope E of the embodiment of FIGS. and 4 therefore comprises a pair of curved faces F1, F3 which have a concave corrugation of the distal end 16 to said intermediate line 15 and a convex corrugation of said intermediate line 15 to the proximal end 14; the contour of these faces F1, F3 is shown in Figure 4 but their curvature in space is visible only in Figure 3, said faces F1, F3 being seen in profile. The envelope E of the embodiment of FIGS. 3 and 4 further comprises a pair of curved faces F2, F4 which have a convex corrugation of the distal end 16 to said intermediate line 15 and a concave corrugation of said intermediate line. At the proximal end 14; the contour of these faces F2, F4 is represented in FIG. 3, their curvature in space being visible in FIG. 4.
    [0004] By way of example, the concave curvatures mentioned above will advantageously have a radius of curvature, designated Rmin in FIGS. 3 and 4, which is between 15 and 20 mm and which is substantially equal to 17 mm, preferably 17.3 mm. . Similarly, the convex curvatures mentioned above will advantageously have a radius of curvature Rmax between 17.5 and 22.5mm and substantially equal to 20mm. The envelopes E of the embodiments which have just been described each comprise two pairs of faces F1, F3 and F2, F4 symmetrical two by two with respect to a median plane comprising the core 12. These two embodiments are not not limiting and the applicator 10 may have three or four, or six pairs of symmetrical faces in pairs, this without departing from the scope of the invention. Each face belonging to one of said pairs is opposed to the other face of said pair with respect to the core of the brush, or even symmetrical with respect to a median plane passing through the core, and the two faces of the same pair will have the same slopes, or inclinations, to the nearest sign, slopes or inclinations changing direction from one pair of faces to another. More precisely, said slopes, or inclinations, reverse direction from one pair of faces to another.
    [0005] Thus, when the applicator 10 of the invention is seen from the front and then the observer rotates it around the axis of symmetry X of its core 12, it sees alternating F1-F4 faces with changing slopes, and more particularly, faces with slopes that reverse, this alternately and all along the axis X.
    [0006] This alternation of slopes around and along the core 12 advantageously allows alternating combing surfaces and load surfaces around and along the applicator 10. It should be noted that said F1-F4 faces are advantageously generated by a straight line, said generator line, orthogonal to the core 12 and orthogonal to the plane of symmetry of each of said F1-F4 faces. Thus, the envelope has a cross section in a plane substantially orthogonal to said axis X, whose shape is a polygon, all along said core 12, from said distal end 16 to said proximal end 14, said shape being in particular a quadrilateral or even a rectangle, in particular at the intermediate line 15. The faces F1-F4 are further delimited by disjointed lateral edges. In other words, the F1-F4 faces are delimited by edges - the lateral edges which are curves set in a three-dimensional orthonormal Cartesian coordinate system, one of said dimensions being coincident with the direction of said X axis, the coordinates of said parameterized curves. evolving in the three directions of said Cartesian coordinate system and said parametric curves being merged at no point between said distal end 16 and proximal ends 14. Said edges therefore have a complex path although obtained with faces that remain easy to achieve. This pattern is particularly advantageous for hanging eyelashes and lengthen them. To facilitate the return of the brush 10 in its receptacle, the envelope of the applicator 10 may have chamfers 20 at some of its faces, at the distal end 16 of the core 12. In fact, the Distal end 16 is usually the one through which contact with the receptacle is made when the user tidies the applicator 10 after use. Preferably, the envelope comprises at least two opposite faces F1, F3, with chamfers 20 symmetrical with respect to a median plane passing through said core 12. The height of these chamfers 20 will be between 0 (absence of chamfers) and 5mm . It is interesting to note that the width of the envelope E is functionally related to the advantages of the applicator 10; said width varies along the axis X, between extremes, said extremes being marked dmax, dmin in FIGS. 1 to 4. dmax, dmin correspond, moreover, to the diameters of the envelope in the vicinity of the vertices of the reliefs for dmax and hollows for dmin. Thus, the following formula will be advantageously respected: 0.125 <dmin / dmax <0.625. For example, dmax will be between 6 and 8mm and dmin will be between 3 and 4.5mm. The invention also relates to a process for the manufacture of an applicator for a cosmetic product, in particular mascara, for example that which has just been described. This method first comprises a step of positioning a plurality of fibers between longitudinal portions of a spindle (not shown). The fibers are distributed in such a way that said longitudinal portions pass substantially in the middle of each of said fibers. The next step of said method is a first step of twisting said pin to form a twisted pin having fibers extending radially around it. The ends of said fibers then form a cylindrical envelope extending in a direction of longitudinal extension around said pin. The fibers are distributed as fiber turns because of the twisting of the spindle. The following step is a step of cutting the fibers, so that said fibers form an envelope E with their free end, said envelope E having curved faces F1-F4 having at least one slope, or inclination, of said distal end at said proximal end, said slope or inclination changing direction of a face F1, F3 to another F2, F4 so that said envelope E has recesses alternating with reliefs around said core 12, in particular an envelope E as mentioned above. Said cutting may be numerically controlled. Advantageously, the portion of the fiber-free spindle which extends the proximal end 14 will be intended to be fixed inside a hollow rod, itself linked to a handle by which the user will manipulate said applicator. It is twisted or not. It should be noted that the applicator of the invention advantageously forms a twisted brush. It should also be noted that the embodiments illustrated in FIGS. 1 to 4 can advantageously be combined in order to combine the effects of makeup, or even to obtain new ones.
    [0007] It should also be noted that variant embodiments are of course possible. In particular, it is also conceivable, in an embodiment not illustrated here, to provide the envelope E in a helical form. In other words, the edges of the faces described above can follow a helix from the proximal end 14 to the distal end 16 of the applicator 10, for example by a second step of twisting the method according to the invention.
    权利要求:
    Claims (14)
    [0001]
    REVENDICATIONS1. Applicator (10) for a cosmetic product, in particular mascara, comprising a twisted core (12) and fibers which extend from the core (12) while being held by said core (12), said core (12) having a distal end (16) and a proximal end (14), said fibers forming an envelope (E) with their free end, characterized in that said envelope (E) has curved faces (F1-F4) having at least one slope, or inclination, of said distal end (16) to said proximal end (14), said slope or inclination changing direction from one face (F1, F3) to another (F2, F4) so that said envelope (E) has recesses alternating with reliefs around said core (12).
    [0002]
    2. Applicator (10) according to the preceding claim, wherein said faces (F1-F4) are delimited by disjointed lateral edges.
    [0003]
    3. Applicator (10) according to any one of claims 1 or 2, wherein the direction of said slope, or inclination, is alternately reversed around said core (12), a face (F1, F3) to the other (F2, F4).
    [0004]
    An applicator (10) according to any one of the preceding claims, wherein the envelope (E) has a pair of substantially convex curved faces (F2, F4) from the distal end (16) to the proximal end ( 14) of the core, and a pair of substantially concave curved faces (F1, F3) from the distal end (16) to the proximal end (14) of the core (12).
    [0005]
    5. Applicator (10) according to any one of claims 1 to 3, wherein the core (12) has a level located between its distal ends (16) and proximal (14), said intermediate level, including substantially equidistant from said distal (16) and proximal (14) ends, the envelope (E) having a pair of curved faces (F1, F3) having a concave corrugation of the distal end (16) to said intermediate level and a convex undulation of said level at the proximal end (14), and a pair of curved faces (F2, F4) which have a convex corrugation of the distal end (16) at said intermediate level and a concave undulation of said intermediate level at the proximal end (14). ).
    [0006]
    6. Applicator (10) according to any one of the preceding claims, wherein each of the curved faces (F1-F4) is generated by a straight line, said generating line, said generating line being orthogonal to the core (12) and orthogonal at a plane of symmetry of said face (F1-F4).
    [0007]
    An applicator (10) according to any one of the preceding claims, wherein the envelope (E) has a cross section in a plane substantially orthogonal to the core (12), the shape of which is a polygon, all along said core (12), said distal end (16) at said proximal end (14).
    [0008]
    8. Applicator (10) according to the preceding claim, wherein said shape is a quadrilateral.
    [0009]
    9. Applicator (10) according to any one of the preceding claims, wherein said casing (E) has chamfers (20) at all or part of its faces (F1-F4), at the distal end (16). ) of said core (12).
    [0010]
    10.Applicateur (10) according to the preceding claim, wherein said casing (E) comprises at least two faces (F1, F3) opposite with chamfers (20) symmetrical with respect to said core (12).
    [0011]
    The applicator (10) according to any one of the preceding claims, wherein said envelope (E) is a helical envelope.
    [0012]
    12. A method for manufacturing an applicator (10) for a cosmetic product, in particular mascara, said method comprising: a step of positioning a plurality of fibers between longitudinal portions of a spindle, then a first step of twisting said pin to form a twisted pin having fibers extending radially around it, the ends of said fibers forming a cylindrical shell extending in a direction of longitudinal extension around said pin, and then - a cutting step fibers, so that said fibers form an envelope (E) with their free end, said envelope (E) having curved faces (F1-F4) having at least one slope, or inclination, of said distal end (16). ) at said proximal end (14), said slope or inclination changing direction from one face (F1, F3) to another (F2, F4) so that said envelope (E) has alternating valleys with ec reliefs around said soul (12).
    [0013]
    13.Appliquer (10) for cosmetic product, in particular mascara, obtained by the method according to the preceding claim.
    [0014]
    14. Receptacle for cosmetic product, in particular mascara, adapted to contain an applicator (10) according to any one of claims 1 to 11 or according to the preceding claim.
    类似技术:
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    同族专利:
    公开号 | 公开日
    CN104939486B|2019-10-18|
    US20150272302A1|2015-10-01|
    FR3019017B1|2018-03-16|
    CN104939486A|2015-09-30|
    BR102015006680A2|2018-05-29|
    EP2923599A1|2015-09-30|
    US9468281B2|2016-10-18|
    EP2923599B1|2021-10-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR2811525A1|2000-07-12|2002-01-18|Oreal|Device for packaging and/or applying cosmetic product such as mascara comprising magnetic or magnetizable fibers|
    WO2009153761A2|2008-06-20|2009-12-23|L'oreal|Mascara brush|
    FR2991560A1|2012-06-07|2013-12-13|Oreal|Applicator for application of cosmetic product or care product such as mascara on keratinous fibers such as eyelashes, has longitudinal notches, where edge and notches are not parallel to longitudinal axis of core|
    US20060260633A1|2005-05-19|2006-11-23|Wyatt Peter J|Cosmetic composition system with thickening benefits|
    FR2898782B1|2006-03-22|2008-08-08|Oreal|MASCARA BRUSH|USD782202S1|2015-02-06|2017-03-28|Worth Beauty, Llc|Makeup brush|
    USD787190S1|2015-09-29|2017-05-23|Worth Beauty, Llc|Makeup brush|
    US10881194B2|2015-10-02|2021-01-05|Worth Beauty, Llc|Computerized cosmetics brushes|
    US10624448B2|2015-10-02|2020-04-21|Worth Beauty, Llc|Computerized cosmetics brushes|
    法律状态:
    2015-03-31| PLFP| Fee payment|Year of fee payment: 2 |
    2016-03-31| PLFP| Fee payment|Year of fee payment: 3 |
    2017-03-27| PLFP| Fee payment|Year of fee payment: 4 |
    2018-03-26| PLFP| Fee payment|Year of fee payment: 5 |
    2019-03-25| PLFP| Fee payment|Year of fee payment: 6 |
    2020-03-25| PLFP| Fee payment|Year of fee payment: 7 |
    2021-03-30| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1452518|2014-03-25|
    FR1452518A|FR3019017B1|2014-03-25|2014-03-25|APPLICATOR FOR COSMETIC PRODUCT, IN PARTICULAR MASCARA AND METHOD FOR MANUFACTURING SUCH APPLICATOR|FR1452518A| FR3019017B1|2014-03-25|2014-03-25|APPLICATOR FOR COSMETIC PRODUCT, IN PARTICULAR MASCARA AND METHOD FOR MANUFACTURING SUCH APPLICATOR|
    EP15160190.3A| EP2923599B1|2014-03-25|2015-03-20|Applicator for a cosmetic product, in particular mascara, and method for manufacturing such an applicator|
    US14/667,047| US9468281B2|2014-03-25|2015-03-24|Applicator for a cosmetic product, in particularly mascara, and method of manufacturing such an applicator|
    BR102015006680-5A| BR102015006680A2|2014-03-25|2015-03-25|APPLICATOR FOR A COSMETIC PRODUCT, IN PARTICULAR MASTER, AND METHOD FOR MANUFACTURING THE APPLICABLE|
    CN201510132798.XA| CN104939486B|2014-03-25|2015-03-25|The method of the applicator and this applicator of manufacture of cosmetics|
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