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EP2012615B1 - Instrument for applying a product to superficial epidermal derivatives and its method of manufacture - Google Patents

Instrument for applying a product to superficial epidermal derivatives and its method of manufacture Download PDF

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Publication number
EP2012615B1
EP2012615B1 EP07731375.7A EP07731375A EP2012615B1 EP 2012615 B1 EP2012615 B1 EP 2012615B1 EP 07731375 A EP07731375 A EP 07731375A EP 2012615 B1 EP2012615 B1 EP 2012615B1
Authority
EP
European Patent Office
Prior art keywords
core
nucleus
instrument
application
product
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
EP07731375.7A
Other languages
German (de)
French (fr)
Other versions
EP2012615A2 (en
Inventor
Michel Maurice Camille VANDROMME
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.)
Yves Saint Laurent Parfums SA
Original Assignee
Yves Saint Laurent Parfums SA
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.)
Filing date
Publication date
Application filed by Yves Saint Laurent Parfums SA filed Critical Yves Saint Laurent Parfums SA
Publication of EP2012615A2 publication Critical patent/EP2012615A2/en
Application granted granted Critical
Publication of EP2012615B1 publication Critical patent/EP2012615B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
    • 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
    • A45D40/265—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
    • 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 present invention relates to the general technical field of devices for applying products, in particular cosmetic products, to an area of the human body, preferably consisting of superficial body growths, and in particular filiform and keratinized integers such as eyelashes.
  • the present invention relates more particularly to an instrument for applying a product to superficial body growths, comprising on the one hand an elongate core and on the other hand at least one core carrying means for applying said product, said core passing through said core, core and the core being bonded to substantially prevent the core from pivoting freely on the core.
  • the instrument according to the invention is a mascara applicator for eyelashes, intended to collect a quantity of mascara in a container, and to carry this amount to the eyelashes to deposit it on them.
  • Mascara applicators are already known in the form of brushes.
  • Such brushes conventionally comprise a gripping member, which can act as a stopper for a container containing the mascara to be applied, and a rod extending from the gripping member between a proximal end and a distal end.
  • a multitude of bristles extend radially from the stem at the distal end thereof, thereby forming an application head.
  • the document WO96 / 08180 discloses an example of such a known applicator.
  • mascara brushes are known whose application head is formed of a rectilinear axis disposed towards the distal end of the rod, in the extension of the latter, and on which are slidably threaded, one behind the other, identical washers pierced with a central hole.
  • Each washer is provided with teeth extending radially in a ring, said teeth forming the bristles of the brush, ie the means for applying the brush.
  • the central hole in each washer and in which is threaded the axis, has a non-circular section, the sections of the hole in each washer on the one hand and the axis on the other hand being conjugated in order to avoid the free rotation of the washers on the axis.
  • the washers are all identical to each other (for economic reasons in particular), and they can not rotate on the axis, their teeth are therefore all aligned along the axis and form rectilinear rows extending parallel to the axis.
  • the document US 4422986 describes a miniature brush formed by elements threaded on a rod.
  • the object of the invention is therefore to remedy the various disadvantages listed above, and to propose a new instrument for applying a product to superficial body growths which is of particularly simple and economical construction while allowing an improved expansion of its application means.
  • Another object of the invention is to propose a new instrument for applying a product on integuments particularly easy to manufacture.
  • Another object of the invention is to propose a new instrument for applying a product to integuments whose construction is based on mechanical principles that are particularly simple and easy to implement.
  • Another object of the invention is to propose a new instrument for applying a product to particularly inexpensive integuments.
  • Another object of the invention is to propose a new instrument for applying a product to superficial integuments allowing a plentiful but regular and controlled distribution of the application means.
  • Another object of the invention is to propose a novel method of manufacturing an instrument for applying a product to superficial integuments whose implementation is particularly simple and inexpensive while allowing to obtain an instrument whose means of application presents an optimized proliferation.
  • Another object of the invention is to propose a new method of manufacturing an instrument for applying a product to integuments of which the steps are particularly suitable for automation.
  • Another object of the invention is to propose a new method of manufacturing an instrument for applying a product on superficial integuments whose implementation is particularly fast and cheap, easy to industrialize.
  • the invention relates to an instrument 1 for applying a product, preferably liquid, semi-liquid (for example pasty) or powder, on superficial body growths, and in particular on fibrous keratinous superficial body growths such as hair (for example: eyelashes, eyebrows). , beard, mustache) or hair.
  • a product preferably liquid, semi-liquid (for example pasty) or powder
  • superficial body growths and in particular on fibrous keratinous superficial body growths
  • hair for example: eyelashes, eyebrows).
  • beard, mustache or hair.
  • the product to be applied is a cosmetic product, so that the instrument 1 constitutes in this case a cosmetic instrument.
  • the product to be applied is mascara for the eyelashes
  • the instrument 1 then constituting a mascara applicator for the eyelashes.
  • the invention is not limited to the application of a product having a necessarily cosmetic nature, nor the application of a product necessarily having a consistency identical to that of a mascara .
  • the instrument 1 may thus possibly be used to apply any product, regardless of its consistency, said product may for example to be very fluid, have conversely a very viscous and / or pasty, or to be in the form of a powder.
  • the instrument 1 comprises a gripping member 2 designed to be grasped and manipulated manually by a user, for example between two or three fingers.
  • the instrument 1 therefore presents, in a conventional manner, a portable character and is intended for manual use.
  • the gripping member 2 may also be shaped to serve as a cap for a container (not shown) containing a product stock to be applied, which is preferably mascara for the eyelashes.
  • a product stock to be applied which is preferably mascara for the eyelashes.
  • the instrument 1 comprises a rod 3 extending substantially rectilinear, in an axial direction X-X ', from the gripping member 2 between a proximal end 3A and a distal end 3B.
  • the instrument 1 comprises a core 4.
  • the core 4 is preferably positioned towards the distal end 3B of the stem 3, and even more preferably, as illustrated in FIGS. extends substantially rectilinearly, from the distal end 3B, in the extension of the rod 3, along the axis X-X ', between a first end 4A connected to the distal end 3B, and a second end 4B free.
  • the core 4 is distinct from the rod 3, and is fixed thereto, for example by crimping. It is however quite possible that the core 4 is directly formed by the rod 3 itself. It is also conceivable that the instrument 1 has no rod 3, the core 4 being directly connected to the gripping member 2. It is also possible that the core 4, and more particularly its first end 4A, is shaped to constitute itself by itself the gripping member 2, without departing from the scope of the invention.
  • the core 4 does not extend in a strictly rectilinear manner, as is illustrated in the figures, but alternatively has a slightly curved shape (not shown), for example, conjugated to the average profile of the implantation of lashes.
  • the axial direction X-X ' is obviously not defined by a straight line, but by a curved line which follows the extension contour of the core 4.
  • the core 4 has an elongated, slender shape.
  • the core 4 has a long, thin, threadlike shape.
  • the core 4 can thus be described as elongated, that is to say that it extends mainly in a single direction of space, in this case the axial direction X-X '.
  • the soul 4 is predominantly one-dimensional.
  • the instrument 1 also comprises at least one core 5 carrying an application means 6 of the product to be applied to the integuments.
  • the core 5 thus forms a support for the application means 6, the latter being mounted on the core 5.
  • the application means 6 comes from material with said core 5, that is to say that it forms with the latter a unitary piece and monobloc.
  • the application means 6 may be distinct and independent of the core 5 and be fixed on the latter by any appropriate means, for example by gluing, flocking, heat sealing, crimping or mechanical assembly.
  • the instrument 1 preferably comprises a plurality of distinct nuclei (cf. figure 2 in particular) each carrying a corresponding means of application.
  • the instrument 1 comprises a single core 5 carrying a single unitary application means 6.
  • the application means 6 carried by the core 5 is designed to collect the product (for example mascara) and apply it on the integuments (for example the eyelashes).
  • the application means 6 is therefore preferably specifically designed to take the product to be applied, for example by being immersed in a reserve of the latter, and to retain and contain this amount of product taken until released on the integuments, performed preferably by contacting and rubbing the application means 6 with and against the integuments.
  • the application means 6 also makes it possible, simultaneously with the coating of the eyelashes by mascara, to perform a combing and combing function. separation of the eyelashes.
  • the application means 6 preferably comprises protrusions 6A protruding from the core 5, preferably radially relative to the axis X-X '.
  • the application means 6 is prominent relative to the core 5, and advantageously forms a multitude of protuberances from said core 5.
  • the protuberances 6A thus form combing teeth, that is to say bristles which make it possible to coat the eyelashes with mascara while concomitantly painting said eyelashes.
  • the core 5 and the application means 6 that it carries are both formed by a single piece having substantially a star shape, the central core of the star being formed by the core 5 while the branches of the star are formed respectively by the radial protuberances 6A of the application means 6, which extend from radial and centrifugal manner relative to the axis X-X ', from the core 5.
  • the invention is not limited to a particular structure of the (or) means (s) of application, the latter being essentially dictated by the consistency of the product to be applied, the nature of the receiving medium (for example: eyelashes or nails), and the desired make-up effect.
  • the core 4 passes through the core 5, that is to say it passes through each core 5 in the case where the instrument 1 comprises a plurality of cores, as is illustrated in FIGS. .
  • the core 4 and the core 5 are furthermore bonded so as to substantially prevent the core 5 from pivoting freely on the core 4.
  • the core 4 and the core 5 are mechanically bonded to substantially prevent the core 5 from pivoting freely on the core 4, ie the mechanical connection between the core 5 and the core 4 is such that any relative rotation of the core 5 around the core is substantially prohibited.
  • the core 4 passes through the core 5 so that the interface between the core 4 and the core 5 makes it possible to prevent the core 5 from freely rotating on the elongated core 4, and vice versa to prevent the core elongated core 4 to rotate freely within the core 5.
  • each core 5 is pierced throughout its thickness by at least two distinct holes 5A, 5B, while the core 4 comprises at least two integral branches of each other intended to be threaded respectively into said holes 5A, 5B.
  • Such a technical measure thus allows anchoring of the core 5 on the core 4 at two distinct points, which de facto prohibits the free rotation of the core 5 on the core 4, whatever the shape of the holes 5A , 5B and corresponding branches of the core 4.
  • each core 5 with a single through hole 5A having a non-circular shape, such as a faceted shape, said orifice cooperating with a core 4 monocorps whose section is of a shape conjugate to that of the port 5A.
  • the single orifice 5A has a square section just like the core 4, so that the core 4 once threaded into the hole 5A can rotate freely inside the latter.
  • the core 4 is twisted, that is to say that it is spirally twisted in spiral, along its axis of extension X-X '.
  • the twisted character of the soul 4 can of course be obtained in different ways.
  • the core 4 initially has a non-twisted, straight and rectilinear character, as illustrated in FIGS. Figures 3 and 6 .
  • This non-twisted core 4 which may be described as the primary core, is subjected to twisting, for example by printing at one of its parts a rotational movement around the axis XX '(for example according to clockwise) while the other parts remain fixed, or are subject to a movement in the opposite direction (for example anti-clockwise).
  • This torsion force is made in such a way as to impart a plastic deformation to the core 4, so that the latter adopts its twisted form in a stable and permanent manner.
  • the angular position of the core 5 and the application means 6 which it carries is conditioned, along the axis X-X ', by the helical twisted profile of the core 4.
  • Said application means 6 thus preferably has a helical profile.
  • the instrument 1 comprises a plurality of cores 5 distinct from each other and each carrying a corresponding application means 6.
  • the cores 5 are substantially identical to each other.
  • the application means 6 carried by the cores 5 are also identical to each other.
  • each core 5 forms with the application means 6 that it carries a piece in one piece. More specifically, each core 5 used in these three embodiments has a plate shape, that is to say that each of said cores 5 has a very small thickness compared with its other dimensions, and for example a thickness between 0.05 and 1 mm, said thickness being preferably of the order of 0.2 mm.
  • the core 5 has a substantially oval, solid shape, pierced with two orifices 5A, 5B of circular section, identical. From the periphery of the core 5 extend radial lamellae forming the protuberances 6A, said radial lamellae having an elongated substantially rectangular shape and being distributed over the entire perimeter of the core 5 in a regular angular distribution.
  • the radial lamellae forming the protuberances 6A are twelve in number, it being understood that the invention is not limited to a particular number of protuberances 6A.
  • the integral part forming both the core 5 and the application means 6 has a star shape with five branches, each of these five branches being substantially triangular.
  • the core 5 is this time pierced with a single hole 5A of square section.
  • the integral piece forming both the core 5 and the application means 6 has a shape substantially identical to that illustrated in FIGS. Figures 1 to 5 , with the difference that the radial lamellae forming the protuberances 6A are not rectilinear, but curvilinear, ie curved in the extension plane of the core 5 and that said lamellae are fifteen in number.
  • This curved shape of the slats makes it possible to improve the contact between eyelashes / brush during makeup, in particular by providing a soft " touch ".
  • the core 4 advantageously comprises, as is particularly illustrated in FIGS. Figures 3, 5 and 9 at least one U-shaped pin 7 with two longitudinal branches 7A, 7B extending in two substantially parallel directions of extension.
  • the two longitudinal branches 7A, 7B are connected by a transverse arm 7C, which advantageously has a curved shape and extends in the extension of the branches 7A, 7B.
  • Such a U-shaped pin is sometimes referred to in the technical field to which the invention relates by the name " stirrup ".
  • the transverse branches 7A, 7B are threaded respectively into the two orifices 5A, 5B passing right through, throughout its thickness, the core 5 illustrated in FIG. figure 4 .
  • the core 5 is pierced with two orifices 5A, 5B in which are respectively threaded the longitudinal branches 7A, 7B.
  • the pin 7 is made of a plastically deformable material, for example a metal material of the steel kind. Of preferred way, the pin 7 is made by simply folding a rectilinear metal wire monobloc.
  • the instrument 1 comprises a plurality of distinct and independent cores 5 formed by parts all identical to each other, said cores 5 being stacked against each other, such that this is illustrated at the figure 1 .
  • Each core 5 is thus traversed by the core 4.
  • each core 5 is slidably threaded on the pin 7, that is to say on the branches 7A, 7B via its two orifices 5A, 5B, while the core 4 is the pin 7 in this case, is not yet twisted (as illustrated in figures 5 and 9 ).
  • the pieces forming the core 5 and the application means 6 are thus threaded one after the other on the pin 7 so as to cover substantially the entire length of said pin 7, with the exception of a marginal fraction, by example in the vicinity of the first end 4A, intended to be secured to the rod 3.
  • the plurality of cores 5 thus forms a stack along the axis X-X '.
  • a twisting force is then exerted along the axis XX 'on the pin 7, so as to deform the longitudinal branches 7A, 7B and ensure that they each adopt a substantially helical profile around the axis X-X .
  • This torsion force can be located on at least two cores or preferably be exerted on all the nuclei stacked along the core 4.
  • the twisted character of the core 4 thus allows expansion of the lamellae carried by each core 5, that is to say a better angular distribution of said lamellae, in particular to prevent the formation of longitudinal zones completely devoid of lamellae.
  • This expansion which advantageously leads to the formation of intertwined layers of protuberances 6A extending in a spiral around the axis X-X ', makes it possible in particular to optimize the effect of combing and bending of the eyelashes, as well as the quality of makeup.
  • the principle of construction and obtaining of the instrument 1 is similar to that implemented in the embodiments of the Figures 1 to 5 and 8 to 10 , to the extent that the core 4 is this time formed of a bar 8 of square cross section conjugate to the section of the hole 5A, the cores 5 being threaded onto the bar 8 via their single square hole 5A.
  • the bar 8 initially not twisted, then undergoes a torsional force.
  • the square section of the bar 8 allows a control of the same nature, and therefore an angular offset, along the axis X-X ' , protuberances 6A so that the latter form helical plies along the axis X-X '.
  • the torsion of the core applies only to a portion of the nuclei stacked on the core, namely at least two cores.
  • the torsion of said portion of the core then causes the twisting of the cores carried by said portion of the core and therefore the expansion of the application means they carry.
  • the invention also relates to a method of manufacturing an instrument 1 for applying a product to superficial body growths, and in particular an instrument 1 according to the one just described in the foregoing.
  • the method according to the invention is a method of manufacturing a mascara applicator for the eyelashes.
  • the method according to the invention comprises a first supply step, during which an elongated core 4 is manufactured or an elongate core 4 already manufactured is obtained.
  • the method according to the invention also comprises a second supply step, during which at least one core 5 is made carrying a means 6 for applying said product to be applied, or in the course of which at least one core is obtained. 5 (bearing means for applying said product) already manufactured.
  • the method according to the invention also comprises an assembly step, during which the core 4 and the core 5 are assembled so that the core 4 passes through the core 5, the core 4 and the core 5 being linked so as to substantially prevent the core 5 from pivoting freely on the core 4.
  • the core 4 and the core 5 are, during the assembly step, mechanically bonded to substantially prevent the core 5 from pivoting freely on the core 4.
  • the method according to the invention comprises a twisting step during which the elongate core 4 is twisted.
  • this twisting step is advantageously performed after the assembly step.
  • the cores 5 are first threaded onto the core 4, then the latter is twisted to cause an angular offset of the cores 5 relative to each other.
  • it is a relative angular offset of at least two cores 5 carrying the application means 6, and preferably all of the cores, along the core 4 and the 'X-X axis'.
  • the cores 5 advantageously remain substantially centered on the X-X 'axis, so that the direction of extension general of the instrument 1 remains unchanged between the assembly step and the twisting step.
  • a plurality of cores 5 each carrying a corresponding application means 6 is manufactured.
  • a plate preferably laser, is cut into a single piece forming both the core 5 and the application means 6 carried by said core 5.
  • the one-piece parts in question are cut from a silicone or polytetrafluoroethylene (PTFE) plate using a laser cutting tool.
  • the cores 5 are stacked on each other, each core 5 being traversed by the core 4, as already described in the foregoing.
  • a U-shaped pin 7 is produced or provided with two longitudinal branches 7A, 7B connected by a transverse arm 7C.
  • At least one core 5 carrying a means 6 for applying the product to be applied is made or obtained, said core 5 being pierced with two orifices 5A, 5B.
  • the orifices 5A, 5B may be preformed in the core 5, that is to say that they may for example be made during the manufacture of the core 5, by cutting and removal of material.
  • the orifices 5A, 5B are directly made by the core 4 when the latter crosses the core 5, the core 4 then directly perforating the core 5 to arrange by itself the orifices 5A, 5B.
  • each core 5 of the stack illustrated for example at figure 2 free fibers, such that said fibers pass through the interstitial space delimited by the two longitudinal branches 7A, 7B.
  • the cores 5 will be angularly offset, which will cause the formation of helical sheets of protrusion 6A, but said fibers will also flourish under the effect of the twisting of the core 4, allowing thus obtaining a " mixed " application head comprising protuberances 6A and fibers.
  • the overall profile of the application head of the instrument 1 is modified by machining, that is to say by removal of material in the helical layers formed by the protuberances 6A.
  • the invention finds its industrial application in the design and manufacture of an instrument for applying a product to superficial body growths, in particular a mascara brush.

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  • Brushes (AREA)
  • Materials For Medical Uses (AREA)
  • Cosmetics (AREA)

Description

DOMAINE TECHNIQUETECHNICAL AREA

La présente invention se rapporte au domaine technique général des dispositifs d'application de produits, en particulier de produits cosmétiques, sur une zone du corps humain, constituée de préférence par des phanères, et en particulier des phanères filiformes et kératinisés tels que les cils.The present invention relates to the general technical field of devices for applying products, in particular cosmetic products, to an area of the human body, preferably consisting of superficial body growths, and in particular filiform and keratinized integers such as eyelashes.

La présente invention concerne plus particulièrement un instrument pour appliquer un produit sur des phanères, comprenant d'une part une âme allongée et d'autre part au moins un noyau portant un moyen d'application dudit produit, ladite âme traversant ledit noyau, l'âme et le noyau étant liés de manière à empêcher sensiblement le noyau de pivoter librement sur l'âme.The present invention relates more particularly to an instrument for applying a product to superficial body growths, comprising on the one hand an elongate core and on the other hand at least one core carrying means for applying said product, said core passing through said core, core and the core being bonded to substantially prevent the core from pivoting freely on the core.

La présente invention concerne également un procédé de fabrication d'un instrument pour appliquer un produit sur des phanères, comprenant :

  • une première étape de fourniture, au cours de laquelle on fabrique une âme allongée, ou on se procure une âme allongée déjà fabriquée,
  • une deuxième étape de fourniture, au cours de laquelle on fabrique au moins un noyau portant un moyen d'application dudit produit, ou on se procure au moins un noyau portant un moyen d'application dudit produit déjà fabriqué,
  • une étape d'assemblage, au cours de laquelle on assemble lesdits âme et noyau de façon que l'âme traverse le noyau, l'âme et le noyau étant liés de manière à empêcher sensiblement le noyau de pivoter librement sur l'âme.
The present invention also relates to a method of manufacturing an instrument for applying a product to superficial body growths, comprising:
  • a first supply step, during which an elongated core is manufactured, or an elongate core already manufactured is obtained,
  • a second supply step, during which at least one core carrying means for applying said product is manufactured, or at least one core carrying means for applying said product already manufactured is provided,
  • an assembly step, during which said soul and core are assembled so that the soul passes through the core, the core and the core being bound so as to substantially prevent the core from pivoting freely on the core.

Dans son application préférentielle, l'instrument conforme à l'invention constitue un applicateur à mascara pour les cils, destiné à prélever une quantité de mascara dans un récipient, et à transporter cette quantité jusqu'aux cils pour la déposer sur ces derniers.In its preferred application, the instrument according to the invention is a mascara applicator for eyelashes, intended to collect a quantity of mascara in a container, and to carry this amount to the eyelashes to deposit it on them.

TECHNIQUE ANTERIEUREPRIOR ART

On connaît déjà des applicateurs à mascara se présentant sous la forme de brosses. De telles brosses comprennent classiquement un organe de préhension, pouvant faire office de bouchon pour un récipient contenant le mascara à appliquer, ainsi qu'une tige s'étendant à partir de l'organe de préhension entre une extrémité proximale et une extrémité distale.
Une multitude de poils s'étendent radialement à partir de la tige, au niveau de l'extrémité distale de cette dernière, formant ainsi une tête d'application. Le document WO96/08180 divulgue un exemple d'un tel applicateur connu.Mascara applicators are already known in the form of brushes. Such brushes conventionally comprise a gripping member, which can act as a stopper for a container containing the mascara to be applied, and a rod extending from the gripping member between a proximal end and a distal end.
A multitude of bristles extend radially from the stem at the distal end thereof, thereby forming an application head. The document WO96 / 08180 discloses an example of such a known applicator.

Ces brosses de l'art antérieur sont destinées à être utilisées de la façon suivante.
L'utilisateur trempe la brosse dans un récipient contenant du mascara, ce qui a pour effet d'enduire de mascara les poils et la tige. L'utilisateur effectue ensuite une action de brossage des cils à l'aide de la brosse, ce qui a pour effet de transférer du mascara de la brosse vers et sur les cils, tout en peignant ces derniers.
On connaît en particulier des brosses à mascara dont la tête d'application est formée d'un axe rectiligne disposé vers l'extrémité distale de la tige, dans le prolongement de cette dernière, et sur lequel sont enfilées à coulissement, les unes derrière les autres, des rondelles identiques percées d'un trou central. Chaque rondelle est pourvue de dents s'étendant radialement en couronne, lesdites dents formant les poils de la brosse, c'est à dire le moyen d'application de la brosse.These brushes of the prior art are intended to be used in the following manner.
The user soaks the brush in a container containing mascara, which has the effect of mascara coat the bristles and the stem. The user then performs an action of brushing the eyelashes using the brush, which has the effect of transferring mascara from the brush to and on the eyelashes, while painting them.
In particular, mascara brushes are known whose application head is formed of a rectilinear axis disposed towards the distal end of the rod, in the extension of the latter, and on which are slidably threaded, one behind the other, identical washers pierced with a central hole. Each washer is provided with teeth extending radially in a ring, said teeth forming the bristles of the brush, ie the means for applying the brush.

Afin d'interdire la rotation des rondelles sur l'axe, le trou central ménagé dans chaque rondelle, et dans lequel est enfilé l'axe, présente une section non circulaire, les sections du trou ménagé dans chaque rondelle d'une part et de l'axe d'autre part étant conjuguées afin d'éviter la rotation libre des rondelles sur l'axe.To prevent the rotation of the washers on the axis, the central hole in each washer, and in which is threaded the axis, has a non-circular section, the sections of the hole in each washer on the one hand and the axis on the other hand being conjugated in order to avoid the free rotation of the washers on the axis.

Une telle construction de la tête d'application se prête bien à une fabrication automatisée permettant d'obtenir des brosses originales et bon marché, dans la mesure où cette construction repose sur un assemblage mécanique très simple (par enfilement) de rondelles toutes identiques et d'un axe.Such a construction of the application head lends itself well to automated manufacturing making it possible to obtain original and inexpensive brushes, insofar as this construction rests on a very simple mechanical assembly (by threading) of all identical washers and 'an axe.

Une telle construction de brosse n'est cependant pas exempte d'inconvénients.Such a brush construction, however, is not free of drawbacks.

En particulier, du fait que les rondelles sont toutes identiques les unes aux autres (pour des raisons économiques en particulier), et qu'elles ne peuvent pivoter sur l'axe, leurs dents sont par conséquent toutes alignées le long de l'axe et forment des rangées rectilignes s'étendant parallèlement à l'axe.In particular, because the washers are all identical to each other (for economic reasons in particular), and they can not rotate on the axis, their teeth are therefore all aligned along the axis and form rectilinear rows extending parallel to the axis.

Or, il peut être au contraire intéressant, notamment du point de vue du résultat de maquillage, d'obtenir un « foisonnement » des dents formant les poils, c'est-à-dire une distribution des poils le long de l'axe qui, sans être nécessairement désordonnée ou aléatoire, évite en tout cas la formation de zones dépourvues de poils sur toute la longueur de l'axe, comme le sont les zones séparant chaque rangée longitudinale de dents des brosses de l'art antérieur.However, it may be on the contrary interesting, particularly from the point of view of the makeup result, to obtain a " swelling " of the teeth forming the bristles, that is to say a distribution of the hair along the axis that , without necessarily being disordered or random, avoids in any case the formation of areas without bristles along the entire length of the axis, as are the areas separating each longitudinal row of teeth brushes of the prior art.

Le document US-4,422,986 décrit une brosse miniature formée par des éléments enfilés sur une tige.The document US 4422986 describes a miniature brush formed by elements threaded on a rod.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention a en conséquence pour objet de remédier aux différents inconvénients énumérés précédemment, et de proposer un nouvel instrument pour appliquer un produit sur des phanères qui soit de construction particulièrement simple et économique tout en permettant un foisonnement amélioré de son moyen d'application.The object of the invention is therefore to remedy the various disadvantages listed above, and to propose a new instrument for applying a product to superficial body growths which is of particularly simple and economical construction while allowing an improved expansion of its application means.

Un autre objet de l'invention vise à proposer un nouvel instrument pour appliquer un produit sur des phanères particulièrement facile à fabriquer.Another object of the invention is to propose a new instrument for applying a product on integuments particularly easy to manufacture.

Un autre objet de l'invention vise à proposer un nouvel instrument pour appliquer un produit sur des phanères dont la construction repose sur des principes mécaniques particulièrement simples et faciles à mettre en oeuvre.Another object of the invention is to propose a new instrument for applying a product to integuments whose construction is based on mechanical principles that are particularly simple and easy to implement.

Un autre objet de l'invention vise à proposer un nouvel instrument pour appliquer un produit sur des phanères particulièrement bon marché.Another object of the invention is to propose a new instrument for applying a product to particularly inexpensive integuments.

Un autre objet de l'invention vise à proposer un nouvel instrument pour appliquer un produit sur des phanères permettant une distribution foisonnante mais régulière et contrôlée du moyen d'application.Another object of the invention is to propose a new instrument for applying a product to superficial integuments allowing a plentiful but regular and controlled distribution of the application means.

Un autre objet de l'invention vise à proposer un nouveau procédé de fabrication d'un instrument pour appliquer un produit sur des phanères dont la mise en oeuvre est particulièrement simple et bon marché tout en permettant d'obtenir un instrument dont le moyen d'application présente un foisonnement optimisé.Another object of the invention is to propose a novel method of manufacturing an instrument for applying a product to superficial integuments whose implementation is particularly simple and inexpensive while allowing to obtain an instrument whose means of application presents an optimized proliferation.

Un autre objet de l'invention vise à proposer un nouveau procédé de fabrication d'un instrument pour appliquer un produit sur des phanères dont les étapes se prêtent particulièrement bien à une automatisation. Un autre objet de l'invention vise à proposer un nouveau procédé de fabrication d'un instrument pour appliquer un produit sur des phanères dont la mise en oeuvre est particulièrement rapide et bon marché, facile à industrialiser.Another object of the invention is to propose a new method of manufacturing an instrument for applying a product to integuments of which the steps are particularly suitable for automation. Another object of the invention is to propose a new method of manufacturing an instrument for applying a product on superficial integuments whose implementation is particularly fast and cheap, easy to industrialize.

Les objets assignés à l'invention sont atteints à l'aide d'un instrument pour appliquer un produit sur des phanères conforme à l'objet de la revendication 1.The objects assigned to the invention are achieved with the aid of an instrument for applying a product to integuments according to the subject of claim 1.

Les objets assignés à l'invention sont également atteints à l'aide d'un procédé de fabrication d'un instrument pour appliquer un produit sur des phanères conforme à l'objet de la revendication 8.The objects assigned to the invention are also achieved by means of a method of manufacturing an instrument for applying a product to integuments according to the subject of claim 8.

DESCRIPTIF SOMMAIRE DES DESSINSSUMMARY DESCRIPTION OF THE DRAWINGS

D'autres avantages et objets de l'invention apparaîtront plus en détails à la lecture de la description qui suit, et à l'aide des dessins annexés fournis à titre purement explicatif et non limitatif, dans lesquels :

  • la figure 1 illustre, selon une vue générale de côté, un instrument conforme à l'invention, destiné à l'application de mascara sur les cils.
  • La figure 2 illustre, selon une vue en perspective, un détail de réalisation de l'instrument illustré à la figure 1, et plus particulièrement un empilement de noyaux portant des moyens d'application, l'âme n'étant pas représentée.
  • La figure 3 illustre, selon une vue schématique en perspective, l'âme de l'instrument illustrée aux figures 1 et 2 avant qu'elle ne soit torsadée.
  • La figure 4 illustre, selon une vue de face, un noyau portant un moyen d'application, mis en oeuvre dans la construction de l'instrument illustré aux figures 1 à 3.
  • La figure 5 illustre, selon une vue en perspective, la coopération du noyau portant un moyen d'application illustré à la figure 4 et de l'âme non encore torsadée illustrée à la figure 3.
  • La figure 6 illustre, selon une vue en perspective, un second mode de réalisation de l'âme d'un instrument conforme à l'invention, avant qu'elle ne soit torsadée.
  • La figure 7 illustre, selon une vue de face, un second mode de réalisation d'un noyau portant un moyen d'application et mis en oeuvre dans la construction de l'instrument pourvu de l'âme illustrée à la figure 6.
  • La figure 8 illustre, selon une vue de face, un troisième mode de réalisation d'un noyau portant un moyen d'application.
  • La figure 9 illustre, selon une vue en perspective, la coopération du noyau portant un moyen d'application illustré à la figure 8 et de l'âme non encore torsadée illustrée à la figure 3.
  • La figure 10 est identique à la figure 9, à la différence près qu'une pluralité de noyaux conformes au troisième mode de réalisation est enfilée sur l'âme et que cette dernière est torsadée.
Other advantages and objects of the invention will appear in more detail on reading the description which follows, and with the aid of the accompanying drawings provided for purely explanatory and non-limiting purposes, in which:
  • the figure 1 illustrates, in a general side view, an instrument according to the invention for the application of mascara on the eyelashes.
  • The figure 2 illustrates, in a perspective view, a detail of embodiment of the instrument illustrated in FIG. figure 1 , and more particularly a stack of cores bearing application means, the core not being represented.
  • The figure 3 illustrates, in a schematic perspective view, the soul of the instrument illustrated in Figures 1 and 2 before it is twisted.
  • The figure 4 illustrates, in a front view, a core carrying an application means, implemented in the construction of the instrument illustrated in FIGS. Figures 1 to 3 .
  • The figure 5 illustrates, in a perspective view, the cooperation of the core carrying a means of application illustrated in FIG. figure 4 and the not yet twisted soul illustrated in the figure 3 .
  • The figure 6 illustrates, in a perspective view, a second embodiment of the core of an instrument according to the invention, before it is twisted.
  • The figure 7 illustrates, according to a front view, a second embodiment of a core carrying an application means and implemented in the construction of the instrument provided with the core illustrated in FIG. figure 6 .
  • The figure 8 illustrates, in a front view, a third embodiment of a core carrying an application means.
  • The figure 9 illustrates, in a perspective view, the cooperation of the core carrying a means of application illustrated in FIG. figure 8 and the not yet twisted soul illustrated in the figure 3 .
  • The figure 10 is identical to the figure 9 , with the difference that a plurality of cores according to the third embodiment is threaded onto the core and the latter is twisted.

MEILLEURE MANIERE DE REALISER L'INVENTIONBEST MODE OF REALIZING THE INVENTION

L'invention concerne un instrument 1 pour appliquer un produit, de préférence liquide, semi-liquide (par exemple pâteux) ou pulvérulent, sur des phanères, et en particulier sur des phanères kératiniques fibreux tels que les poils (par exemple : cils, sourcils, barbe, moustache) ou les cheveux.The invention relates to an instrument 1 for applying a product, preferably liquid, semi-liquid (for example pasty) or powder, on superficial body growths, and in particular on fibrous keratinous superficial body growths such as hair (for example: eyelashes, eyebrows). , beard, mustache) or hair.

Avantageusement, le produit à appliquer est un produit cosmétique, de sorte que l'instrument 1 constitue dans ce cas un instrument cosmétique.Advantageously, the product to be applied is a cosmetic product, so that the instrument 1 constitutes in this case a cosmetic instrument.

Selon l'invention, le produit à appliquer est du mascara pour les cils, l'instrument 1 constituant alors un applicateur à mascara pour les cils.According to the invention, the product to be applied is mascara for the eyelashes, the instrument 1 then constituting a mascara applicator for the eyelashes.

Dans un souci de simplicité de description, il sera exclusivement fait référence dans ce qui suit à un tel applicateur à mascara. Selon un mode de réalisation non revendiqué, l'invention n'est pas limitée à l'application d'un produit présentant une nature nécessairement cosmétique, ni à l'application d'un produit présentant nécessairement une consistance identique à celle d'un mascara. L'instrument 1 pourra ainsi être éventuellement utilisé pour appliquer tout produit, quelle que soit sa consistance, ledit produit pouvant par exemple être très fluide, présenter à l'inverse un caractère très visqueux et/ou pâteux, ou encore se présenter sous la forme d'une poudre.For the sake of simplicity of description, reference will be made hereinafter exclusively to such a mascara applicator. According to an embodiment not claimed, the invention is not limited to the application of a product having a necessarily cosmetic nature, nor the application of a product necessarily having a consistency identical to that of a mascara . The instrument 1 may thus possibly be used to apply any product, regardless of its consistency, said product may for example to be very fluid, have conversely a very viscous and / or pasty, or to be in the form of a powder.

De manière connue en soi, l'instrument 1 comporte un organe de préhension 2 conçu pour être saisi et manipulé manuellement par un utilisateur, par exemple entre deux ou trois doigts. L'instrument 1 présente donc, de manière classique, un caractère portable et est destiné à une utilisation manuelle. De façon préférentielle, l'organe de préhension 2 peut également être conformé pour faire office de bouchon pour un récipient (non représenté) contenant un stock de produit à appliquer, lequel est de préférence du mascara pour les cils. Un tel agencement est classique, et ne sera donc pas décrit en détails plus avant.In a manner known per se, the instrument 1 comprises a gripping member 2 designed to be grasped and manipulated manually by a user, for example between two or three fingers. The instrument 1 therefore presents, in a conventional manner, a portable character and is intended for manual use. Preferably, the gripping member 2 may also be shaped to serve as a cap for a container (not shown) containing a product stock to be applied, which is preferably mascara for the eyelashes. Such an arrangement is conventional, and will not be described in detail further.

De préférence, l'instrument 1 comprend une tige 3 s'étendant de façon sensiblement rectiligne, selon une direction axiale X-X', à partir de l'organe de préhension 2 entre une extrémité proximale 3A et une extrémité distale 3B.Preferably, the instrument 1 comprises a rod 3 extending substantially rectilinear, in an axial direction X-X ', from the gripping member 2 between a proximal end 3A and a distal end 3B.

Conformément à l'invention, l'instrument 1 comprend une âme 4. L'âme 4 est de préférence positionnée vers l'extrémité distale 3B de la tige 3, et de façon encore plus préférentielle, tel que cela est illustré aux figures, s'étend de façon sensiblement rectiligne, à partir de l'extrémité distale 3B, dans le prolongement de la tige 3, selon l'axe X-X', entre une première extrémité 4A reliée à l'extrémité distale 3B, et une deuxième extrémité 4B libre.According to the invention, the instrument 1 comprises a core 4. The core 4 is preferably positioned towards the distal end 3B of the stem 3, and even more preferably, as illustrated in FIGS. extends substantially rectilinearly, from the distal end 3B, in the extension of the rod 3, along the axis X-X ', between a first end 4A connected to the distal end 3B, and a second end 4B free.

Dans les exemples illustrés aux figures, l'âme 4 est distincte de la tige 3, et est fixée à cette dernière, par exemple par sertissage. Il est cependant tout à fait envisageable que l'âme 4 soit directement formée par la tige 3 elle-même. Il est également envisageable que l'instrument 1 ne comporte pas de tige 3, l'âme 4 étant directement connectée à l'organe de préhension 2. Il est également possible que l'âme 4, et plus particulièrement sa première extrémité 4A, soit conformée pour constituer directement par elle-même l'organe de préhension 2, sans pour autant que l'on sorte du cadre de l'invention.In the examples illustrated in the figures, the core 4 is distinct from the rod 3, and is fixed thereto, for example by crimping. It is however quite possible that the core 4 is directly formed by the rod 3 itself. It is also conceivable that the instrument 1 has no rod 3, the core 4 being directly connected to the gripping member 2. It is also possible that the core 4, and more particularly its first end 4A, is shaped to constitute itself by itself the gripping member 2, without departing from the scope of the invention.

Il est également envisageable que l'âme 4 ne s'étende pas de façon strictement rectiligne, tel que cela est illustré aux figures, mais présente alternativement plutôt une forme légèrement courbe (non représentée), par exemple conjuguée au profil moyen d'implantation des cils. Dans ce cas, la direction axiale X-X' n'est bien évidemment pas définie par une ligne droite, mais par une ligne courbe qui suit le contour d'extension de l'âme 4.It is also conceivable that the core 4 does not extend in a strictly rectilinear manner, as is illustrated in the figures, but alternatively has a slightly curved shape (not shown), for example, conjugated to the average profile of the implantation of lashes. In this case, the axial direction X-X 'is obviously not defined by a straight line, but by a curved line which follows the extension contour of the core 4.

Conformément au mode de réalisation illustré aux figures, l'âme 4 présente une forme allongée, élancée. En d'autres termes, l'âme 4 présente une forme longue et mince, filiforme. L'âme 4 peut ainsi être qualifiée de longiligne, c'est-à-dire qu'elle s'étend majoritairement selon une seule direction de l'espace, en l'occurrence la direction axiale X-X'. En cela, l'âme 4 est majoritairement monodimensionnelle.According to the embodiment illustrated in the figures, the core 4 has an elongated, slender shape. In other words, the core 4 has a long, thin, threadlike shape. The core 4 can thus be described as elongated, that is to say that it extends mainly in a single direction of space, in this case the axial direction X-X '. In this, the soul 4 is predominantly one-dimensional.

Conformément à l'invention, l'instrument 1 comprend également au moins un noyau 5 portant un moyen d'application 6 du produit à appliquer sur les phanères. Le noyau 5 forme ainsi un support pour le moyen d'application 6, ce dernier étant monté sur le noyau 5. De préférence, tel que cela est en particulier illustré aux figures 2, 4 et 7, le moyen d'application 6 vient de matière avec ledit noyau 5, c'est-à-dire qu'il forme avec ce dernier une pièce unitaire et monobloc. Bien entendu, le moyen d'application 6 peut être distinct et indépendant du noyau 5 et être fixé sur ce dernier par tout moyen approprié, et par exemple par collage, flocage, thermosoudure, sertissage ou assemblage mécanique.According to the invention, the instrument 1 also comprises at least one core 5 carrying an application means 6 of the product to be applied to the integuments. The core 5 thus forms a support for the application means 6, the latter being mounted on the core 5. Preferably, as is particularly illustrated in FIGS. Figures 2, 4 and 7 , the application means 6 comes from material with said core 5, that is to say that it forms with the latter a unitary piece and monobloc. Of course, the application means 6 may be distinct and independent of the core 5 and be fixed on the latter by any appropriate means, for example by gluing, flocking, heat sealing, crimping or mechanical assembly.

Dans les exemples de réalisation illustrés aux figures et qui vont être décrits plus en détails dans ce qui suit, l'instrument 1 comprend de préférence une pluralité de noyaux 5 distincts (cf. figure 2 notamment) portant chacun un moyen d'application correspondant.In the exemplary embodiments illustrated in the figures and which will be described in more detail in the following, the instrument 1 preferably comprises a plurality of distinct nuclei (cf. figure 2 in particular) each carrying a corresponding means of application.

Il est cependant tout à fait envisageable, sans pour autant que l'on sorte du cadre de l'invention, que l'instrument 1 ne comprenne qu'un unique noyau 5 portant un unique moyen d'application 6 unitaire.However, it is quite possible, without departing from the scope of the invention, that the instrument 1 comprises a single core 5 carrying a single unitary application means 6.

Le moyen d'application 6 porté par le noyau 5 est conçu pour collecter du produit (par exemple du mascara) et l'appliquer sur les phanères (par exemple les cils). Le moyen d'application 6 est donc préférentiellement spécifiquement conçu pour prélever du produit à appliquer, par exemple en étant immergé dans une réserve de ce dernier, et pour retenir et contenir cette quantité de produit prélevée jusqu'à son relâchement sur les phanères, effectuée de préférence par mise en contact et frottement du moyen d'application 6 avec et contre les phanères.The application means 6 carried by the core 5 is designed to collect the product (for example mascara) and apply it on the integuments (for example the eyelashes). The application means 6 is therefore preferably specifically designed to take the product to be applied, for example by being immersed in a reserve of the latter, and to retain and contain this amount of product taken until released on the integuments, performed preferably by contacting and rubbing the application means 6 with and against the integuments.

Dans les exemples illustrés aux figures où l'instrument 1 constitue un applicateur à mascara pour les cils, le moyen d'application 6 permet en outre, simultanément à l'enduction des cils par du mascara, d'assurer une fonction de peignage et de séparation des cils. A cette fin, le moyen d'application 6 comprend préférentiellement des excroissances 6A faisant saillie à partir du noyau 5, de préférence radialement relativement à l'axe X-X'. En d'autres termes, le moyen d'application 6 est proéminent relativement au noyau 5, et forme avantageusement une multitude de protubérances à partir dudit noyau 5. Dans l'exemple illustré aux figures, les excroissances 6A forment ainsi des dents de peignage, c'est à dire des poils de brosse qui permettent d'enduire les cils de mascara tout en peignant concomitamment lesdits cils.In the examples illustrated in the figures, in which the instrument 1 constitutes a mascara applicator for the eyelashes, the application means 6 also makes it possible, simultaneously with the coating of the eyelashes by mascara, to perform a combing and combing function. separation of the eyelashes. To this end, the application means 6 preferably comprises protrusions 6A protruding from the core 5, preferably radially relative to the axis X-X '. In other words, the application means 6 is prominent relative to the core 5, and advantageously forms a multitude of protuberances from said core 5. In the example illustrated in the figures, the protuberances 6A thus form combing teeth, that is to say bristles which make it possible to coat the eyelashes with mascara while concomitantly painting said eyelashes.

De manière préférentielle, tel que cela est illustré aux figures 3, 7 et 8, le noyau 5 et le moyen d'application 6 qu'il porte sont tous deux formés par une pièce unique présentant sensiblement une forme en étoile, le coeur central de l'étoile étant formé par le noyau 5 tandis que les branches de l'étoile sont formées respectivement par les excroissances radiaires 6A du moyen d'application 6, lesquelles s'étendent de manière radiale et centrifuge relativement à l'axe X-X', à partir du noyau 5.Preferably, as illustrated in Figures 3, 7 and 8 , the core 5 and the application means 6 that it carries are both formed by a single piece having substantially a star shape, the central core of the star being formed by the core 5 while the branches of the star are formed respectively by the radial protuberances 6A of the application means 6, which extend from radial and centrifugal manner relative to the axis X-X ', from the core 5.

Bien évidemment, l'invention n'est pas limitée à une structure particulière du (ou des) moyen(s) d'application, cette dernière étant essentiellement dictée par la consistance du produit à appliquer, la nature du support récepteur (par exemple : cils ou ongles), et l'effet de maquillage recherché.Obviously, the invention is not limited to a particular structure of the (or) means (s) of application, the latter being essentially dictated by the consistency of the product to be applied, the nature of the receiving medium (for example: eyelashes or nails), and the desired make-up effect.

Conformément à l'invention, l'âme 4 traverse le noyau 5, c'est-à-dire qu'elle traverse chaque noyau 5 dans le cas où l'instrument 1 comprend une pluralité de noyaux, tel que cela est illustré aux figures.According to the invention, the core 4 passes through the core 5, that is to say it passes through each core 5 in the case where the instrument 1 comprises a plurality of cores, as is illustrated in FIGS. .

L'âme 4 et le noyau 5 sont en outre liés de manière à empêcher sensiblement le noyau 5 de pivoter librement sur l'âme 4.The core 4 and the core 5 are furthermore bonded so as to substantially prevent the core 5 from pivoting freely on the core 4.

En d'autres termes, l'âme 4 et le noyau 5 sont liés mécaniquement pour empêcher sensiblement le noyau 5 de pivoter librement sur l'âme 4, c'est à dire que la liaison mécanique entre le noyau 5 et l'âme 4 est telle que toute rotation relative du noyau 5 autour de l'âme est sensiblement interdite.In other words, the core 4 and the core 5 are mechanically bonded to substantially prevent the core 5 from pivoting freely on the core 4, ie the mechanical connection between the core 5 and the core 4 is such that any relative rotation of the core 5 around the core is substantially prohibited.

Ainsi, l'âme 4 passe au travers du noyau 5 de façon que l'interface entre l'âme 4 et le noyau 5 permette d'empêcher le noyau 5 de tourner librement sur l'âme allongée 4, et réciproquement d'empêcher l'âme allongée 4 de tourner librement au sein du noyau 5.Thus, the core 4 passes through the core 5 so that the interface between the core 4 and the core 5 makes it possible to prevent the core 5 from freely rotating on the elongated core 4, and vice versa to prevent the core elongated core 4 to rotate freely within the core 5.

Bien évidemment, cette fonction de blocage en rotation du noyau 5 relativement à l'âme 4 peut être réalisée de multiples manières, l'invention n'étant limitée à aucune d'entre elles en particulier. Ainsi, dans l'exemple illustré aux figures 1 à 5, chaque noyau 5 est percé dans toute son épaisseur d'au moins deux trous distincts 5A, 5B, tandis que l'âme 4 comprend au moins deux branches solidaires l'une de l'autre destinées à être enfilées respectivement dans lesdits trous 5A, 5B. Une telle mesure technique permet ainsi un ancrage du noyau 5 sur l'âme 4 en deux points distincts, qui interdit de facto la rotation libre du noyau 5 sur l'âme 4, et ce quelle que soit d'ailleurs la forme des trous 5A, 5B et des branches correspondantes de l'âme 4.Of course, this rotational locking function of the core 5 relative to the core 4 can be achieved in many ways, the invention being not limited to any of them in particular. So, in the example illustrated at Figures 1 to 5 each core 5 is pierced throughout its thickness by at least two distinct holes 5A, 5B, while the core 4 comprises at least two integral branches of each other intended to be threaded respectively into said holes 5A, 5B. Such a technical measure thus allows anchoring of the core 5 on the core 4 at two distinct points, which de facto prohibits the free rotation of the core 5 on the core 4, whatever the shape of the holes 5A , 5B and corresponding branches of the core 4.

De manière alternative, tel que cela est illustré aux figures 6 et 7, il est également envisageable de pourvoir chaque noyau 5 d'un orifice traversant 5A unique présentant une forme non circulaire, telle qu'une forme à facettes, ledit orifice coopérant avec une âme 4 monocorps dont la section est de forme conjuguée à celle de l'orifice 5A. Par exemple, selon le mode de réalisation illustré aux figures 6 et 7, l'orifice unique 5A présente une section carrée tout comme l'âme 4, de sorte que l'âme 4 une fois enfilée dans le trou 5A ne peut tourner librement à l'intérieur de ce dernier.Alternatively, as illustrated in Figures 6 and 7 it is also conceivable to provide each core 5 with a single through hole 5A having a non-circular shape, such as a faceted shape, said orifice cooperating with a core 4 monocorps whose section is of a shape conjugate to that of the port 5A. For example, according to the embodiment illustrated in Figures 6 and 7 , the single orifice 5A has a square section just like the core 4, so that the core 4 once threaded into the hole 5A can rotate freely inside the latter.

Conformément à une caractéristique importante de l'invention, l'âme 4 est torsadée, c'est-à-dire qu'elle est tordue en hélice, en spirale, selon son axe d'extension X-X'. Le caractère torsadé de l'âme 4 peut bien entendu être obtenu de différentes manières.According to an important characteristic of the invention, the core 4 is twisted, that is to say that it is spirally twisted in spiral, along its axis of extension X-X '. The twisted character of the soul 4 can of course be obtained in different ways.

Par exemple, dans les modes de réalisation illustrés aux figures, l'âme 4 présente initialement un caractère non torsadé, droit et rectiligne, tel que cela est illustré aux figures 3 et 6. Cette âme 4 non torsadée, que l'on peut qualifier d'âme primaire, est soumise à une torsion, réalisée par exemple en imprimant à l'une de ses parties un mouvement de rotation autour de l'axe X-X' (par exemple selon le sens horaire) alors que les autres parties restent fixes, voire sont soumises à un mouvement de sens contraire (par exemple anti-horaire). Cet effort de torsion est réalisé de façon à impartir une déformation plastique à l'âme 4, de sorte que cette dernière adopte sa forme torsadée de manière stable et définitive.For example, in the embodiments illustrated in the figures, the core 4 initially has a non-twisted, straight and rectilinear character, as illustrated in FIGS. Figures 3 and 6 . This non-twisted core 4, which may be described as the primary core, is subjected to twisting, for example by printing at one of its parts a rotational movement around the axis XX '(for example according to clockwise) while the other parts remain fixed, or are subject to a movement in the opposite direction (for example anti-clockwise). This torsion force is made in such a way as to impart a plastic deformation to the core 4, so that the latter adopts its twisted form in a stable and permanent manner.

Alternativement, selon un mode de réalisation non revendiqué, il est envisageable d'obtenir l'âme 4 torsadée directement, sans étape de torsion, par exemple par moulage dans un moule présentant lui-même une forme torsadée.Alternatively, according to an embodiment not claimed, it is conceivable to obtain the core 4 twisted directly without torsion step, for example by molding in a mold having itself a twisted shape.

Grâce à la liaison entre l'âme 4 et le noyau 5, qui empêche le noyau 5 de pivoter librement sur l'âme 4 et réciproquement, la position angulaire du noyau 5 et du moyen d'application 6 qu'il porte est conditionnée, le long de l'axe X-X', par le profil hélicoïdal, torsadé, de l'âme 4. Cela conduit, comme cela va être expliqué plus en détails dans ce qui suit, à un foisonnement du moyen d'application 6, c'est à dire à un décalage angulaire, le long de l'âme 4 et de l'axe X-X', des organes (en l'occurrence les excroissances 6A) formant le moyen d'application 6. En d'autres termes, cela conduit à un décalage angulaire relatif d'au moins deux noyaux portant le moyen d'application 6 (en l'occurrence les excroissances 6A), préférentiellement de l'ensemble des noyaux, le long de l'âme 4 et de l'axe X-X'. Ledit moyen d'application 6 présente ainsi préférentiellement un profil hélicoïdal.Thanks to the connection between the core 4 and the core 5, which prevents the core 5 from pivoting freely on the core 4 and vice versa, the angular position of the core 5 and the application means 6 which it carries is conditioned, along the axis X-X ', by the helical twisted profile of the core 4. This leads, as will be explained in more detail in the following, to a proliferation of the application means 6, that is to say at an angular offset, along the core 4 and the axis X-X ', organs (in this case the protuberances 6A) forming the application means 6. In other In other words, this leads to a relative angular displacement of at least two cores carrying the application means 6 (in this case the protuberances 6A), preferably all of the cores, along the core 4 and the core. 'X-X axis'. Said application means 6 thus preferably has a helical profile.

Les trois modes de réalisation de l'invention illustrés respectivement aux figures 1 à 5, 6 et 7, et 8 à 10 vont être décrits plus en détails dans ce qui suit.The three embodiments of the invention illustrated respectively with the Figures 1 to 5, 6 and 7 , and 8 to 10 will be described in more detail in the following.

Dans chacun de ces trois modes de réalisation, l'instrument 1 comprend une pluralité de noyaux 5 distincts les uns des autres et portant chacun un moyen d'application 6 correspondant.In each of these three embodiments, the instrument 1 comprises a plurality of cores 5 distinct from each other and each carrying a corresponding application means 6.

Plus précisément, les noyaux 5 sont sensiblement identiques les uns aux autres. De la même manière, les moyens d'application 6 portés par les noyaux 5 sont également identiques les uns aux autres.More specifically, the cores 5 are substantially identical to each other. In the same way, the application means 6 carried by the cores 5 are also identical to each other.

Dans chacun de ces trois modes de réalisation, chaque noyau 5 forme avec le moyen d'application 6 qu'il porte une pièce d'un seul tenant. Plus précisément, chaque noyau 5 mis en oeuvre dans ces trois modes de réalisation présente une forme de plaque, c'est-à-dire que chacun desdits noyaux 5 présente une épaisseur très faible en regard de ses autres dimensions, et par exemple une épaisseur comprise entre 0,05 et 1 mm, ladite épaisseur étant préférentiellement de l'ordre de 0,2 mm.In each of these three embodiments, each core 5 forms with the application means 6 that it carries a piece in one piece. More specifically, each core 5 used in these three embodiments has a plate shape, that is to say that each of said cores 5 has a very small thickness compared with its other dimensions, and for example a thickness between 0.05 and 1 mm, said thickness being preferably of the order of 0.2 mm.

Dans le mode de réalisation illustré aux figures 1 à 5, le noyau 5 présente une forme sensiblement ovale, pleine, percée de deux orifices 5A, 5B de section circulaire, identiques. A partir de la périphérie du noyau 5 s'étendent des lamelles radiaires formant les excroissances 6A, lesdites lamelles radiaires présentant une forme sensiblement rectangulaire allongée et étant réparties sur tout le périmètre du noyau 5 selon une distribution angulaire régulière. Ces lamelles, qui forment les excroissances 6A du mode de réalisation des figures 1 à 5, s'étendent de manière rectiligne, sensiblement radialement relativement à l'axe X-X' dans le même plan d'extension que celui du noyau 5, ce plan d'extension commun étant sensiblement perpendiculaire à l'axe X-X'.In the embodiment illustrated in Figures 1 to 5 , the core 5 has a substantially oval, solid shape, pierced with two orifices 5A, 5B of circular section, identical. From the periphery of the core 5 extend radial lamellae forming the protuberances 6A, said radial lamellae having an elongated substantially rectangular shape and being distributed over the entire perimeter of the core 5 in a regular angular distribution. These slats, which form the protuberances 6A of the embodiment of the Figures 1 to 5 , extending rectilinearly, substantially radially relative to the axis XX 'in the same plane of extension as that of the core 5, this common extension plane being substantially perpendicular to the axis X-X'.

Dans l'exemple des figures 1 à 5, les lamelles radiaires formant les excroissances 6A sont au nombre de douze, étant entendu que l'invention n'est nullement limitée à un nombre particulier d'excroissances 6A.In the example of Figures 1 to 5 , the radial lamellae forming the protuberances 6A are twelve in number, it being understood that the invention is not limited to a particular number of protuberances 6A.

Dans le mode de réalisation illustré aux figures 6 et 7, la pièce d'un seul tenant formant à la fois le noyau 5 et le moyen d'application 6 présente une forme d'étoile à cinq branches, chacune de ces cinq branches étant sensiblement triangulaire. Le noyau 5 est cette fois percé d'un trou unique 5A de section carrée.In the embodiment illustrated in Figures 6 and 7 the integral part forming both the core 5 and the application means 6 has a star shape with five branches, each of these five branches being substantially triangular. The core 5 is this time pierced with a single hole 5A of square section.

Dans le mode de réalisation illustré aux figures 8 à 10, la pièce d'un seul tenant formant à la fois le noyau 5 et le moyen d'application 6 présente une forme sensiblement identique à celle illustrée aux figures 1 à 5, à la différence près que les lamelles radiaires formant les excroissances 6A ne sont pas rectilignes, mais curvilignes, c'est à dire courbées dans le plan d'extension du noyau 5 et que lesdites lamelles sont au nombre de quinze.In the embodiment illustrated in Figures 8 to 10 the integral piece forming both the core 5 and the application means 6 has a shape substantially identical to that illustrated in FIGS. Figures 1 to 5 , with the difference that the radial lamellae forming the protuberances 6A are not rectilinear, but curvilinear, ie curved in the extension plane of the core 5 and that said lamellae are fifteen in number.

Cette forme courbe des lamelles permet d'améliorer le contact cils/brosse lors du maquillage, en procurant en particulier un « toucher » doux.This curved shape of the slats makes it possible to improve the contact between eyelashes / brush during makeup, in particular by providing a soft " touch ".

Dans les modes de réalisation des figures 1 à 5 d'une part, et 8 à 10 d'autre part, l'âme 4 comprend avantageusement, tel que cela est notamment illustré aux figures 3, 5 et 9, au moins une épingle 7 en U avec deux branches longitudinales 7A, 7B s'étendant selon deux directions d'extension sensiblement parallèles. Les deux branches longitudinales 7A, 7B sont reliées par un bras transversal 7C, qui présente avantageusement une forme courbe et s'étend dans le prolongement des branches 7A, 7B. Une telle épingle en U est parfois désignée dans le domaine technique dont relève l'invention par l'appellation « étrier ».In the embodiments of Figures 1 to 5 on the one hand, and 8 to 10 on the other hand, the core 4 advantageously comprises, as is particularly illustrated in FIGS. Figures 3, 5 and 9 at least one U-shaped pin 7 with two longitudinal branches 7A, 7B extending in two substantially parallel directions of extension. The two longitudinal branches 7A, 7B are connected by a transverse arm 7C, which advantageously has a curved shape and extends in the extension of the branches 7A, 7B. Such a U-shaped pin is sometimes referred to in the technical field to which the invention relates by the name " stirrup ".

Les branches transversales 7A, 7B sont enfilées respectivement dans les deux orifices 5A, 5B traversant de part en part, dans toute son épaisseur, le noyau 5 illustré à la figure 4. En d'autres termes, dans ce mode de réalisation préféré, le noyau 5 est percé de deux orifices 5A, 5B dans lesquels sont enfilées respectivement les branches longitudinales 7A, 7B. De préférence, l'épingle 7 est réalisée en un matériau déformable plastiquement, par exemple en un matériau métallique du genre acier. De façon préférée, l'épingle 7 est réalisée par simple pliage d'un fil métallique rectiligne monobloc.The transverse branches 7A, 7B are threaded respectively into the two orifices 5A, 5B passing right through, throughout its thickness, the core 5 illustrated in FIG. figure 4 . In other words, in this preferred embodiment, the core 5 is pierced with two orifices 5A, 5B in which are respectively threaded the longitudinal branches 7A, 7B. Preferably, the pin 7 is made of a plastically deformable material, for example a metal material of the steel kind. Of preferred way, the pin 7 is made by simply folding a rectilinear metal wire monobloc.

Dans les modes de réalisation illustrés aux figures 1 à 5 d'une part, et 8 à 10 d'autre part, l'instrument 1 comprend une pluralité de noyaux 5 distincts et indépendants formés par des pièces toutes identiques les unes aux autres, lesdits noyaux 5 étant empilés les uns contre les autres, tel que cela est illustré à la figure 1. Chaque noyau 5 est ainsi traversé par l'âme 4.In the embodiments illustrated in Figures 1 to 5 on the one hand, and 8 to 10 on the other hand, the instrument 1 comprises a plurality of distinct and independent cores 5 formed by parts all identical to each other, said cores 5 being stacked against each other, such that this is illustrated at the figure 1 . Each core 5 is thus traversed by the core 4.

Avantageusement, chaque noyau 5 est enfilé à coulissement sur l'épingle 7, c'est-à-dire sur les branches 7A, 7B par l'intermédiaire de ses deux orifices 5A, 5B, alors que l'âme 4, c'est-à-dire l'épingle 7 en l'occurrence, n'est pas encore torsadée (tel que cela est illustré aux figures 5 et 9). Les pièces formant le noyau 5 et le moyen d'application 6 sont ainsi enfilées les unes après les autres sur l'épingle 7 de manière à couvrir sensiblement toute la longueur de ladite épingle 7, à l'exception d'une fraction marginale, par exemple au voisinage de la première extrémité 4A, destinée à être solidarisée à la tige 3. La pluralité de noyaux 5 forme ainsi un empilement selon l'axe X-X'.Advantageously, each core 5 is slidably threaded on the pin 7, that is to say on the branches 7A, 7B via its two orifices 5A, 5B, while the core 4 is the pin 7 in this case, is not yet twisted (as illustrated in figures 5 and 9 ). The pieces forming the core 5 and the application means 6 are thus threaded one after the other on the pin 7 so as to cover substantially the entire length of said pin 7, with the exception of a marginal fraction, by example in the vicinity of the first end 4A, intended to be secured to the rod 3. The plurality of cores 5 thus forms a stack along the axis X-X '.

Un effort de torsion est ensuite exercé selon l'axe X-X' sur l'épingle 7, de manière à déformer les branches longitudinales 7A, 7B et faire en sorte qu'elles adoptent chacune un profil sensiblement hélicoïdal autour de l'axe X-X'. Cet effort de torsion peut être localisé sur au moins deux noyaux ou préférentiellement être exercé sur l'ensemble des noyaux empilés le long de l'âme 4.A twisting force is then exerted along the axis XX 'on the pin 7, so as to deform the longitudinal branches 7A, 7B and ensure that they each adopt a substantially helical profile around the axis X-X . This torsion force can be located on at least two cores or preferably be exerted on all the nuclei stacked along the core 4.

Cela engendre simultanément la modification de la position angulaire de chaque noyau 5 et donc des lamelles formant excroissance 6A portée par lesdits noyaux 5. Plus précisément, avant que l'effort de torsion ne soit appliqué sur l'épingle 7, les lamelles formant les excroissances 6A étaient alignées selon des rangées rectilignes sensiblement parallèles à l'axe X-X', étant donné que les pièces d'un seul tenant formant noyau 5 et moyen d'application 6 sont toutes identiques. A l'issue de l'application de l'effort de torsion sur l'épingle 7, les lamelles formant les excroissances 6A sont toutes décalées, de préférence en hélice les unes par rapport aux autres le long de l'axe X-X', de sorte qu'en lieu et place des rangées de lamelles initiales s'étendent maintenant des nappes hélicoïdales de lamelles, tel que cela est illustré aux figures 2 et 10.This simultaneously causes the modification of the angular position of each core 5 and thus of the protruding lamellae 6A carried by said cores 5. More precisely, before the torsion force is applied to the pin 7, the lamellae forming the protuberances 6A were aligned in straight rows substantially parallel to the X-X 'axis, since the integral pieces forming the core 5 and the application means 6 are all identical. At the end of the application of the torsion force on the pin 7, the strips forming the protuberances 6A are all offset, preferably helically relative to each other along the axis X-X ' , so that in place of the rows of initial lamellae now extend helical layers of lamellae, as is illustrated in FIGS. figures 2 and 10 .

Le caractère torsadé de l'âme 4 permet ainsi un foisonnement des lamelles portées par chaque noyau 5, c'est-à-dire une meilleure répartition angulaire desdites lamelles, permettant notamment d'éviter la formation de zones longitudinales entièrement dépourvues de lamelles. Ce foisonnement, qui conduit avantageusement à la formation de nappes entrelacées d'excroissances 6A s'étendant en colimaçon autour de l'axe X-X', permet en particulier d'optimiser l'effet de peignage et de courbage des cils, ainsi que la qualité du maquillage.The twisted character of the core 4 thus allows expansion of the lamellae carried by each core 5, that is to say a better angular distribution of said lamellae, in particular to prevent the formation of longitudinal zones completely devoid of lamellae. This expansion, which advantageously leads to the formation of intertwined layers of protuberances 6A extending in a spiral around the axis X-X ', makes it possible in particular to optimize the effect of combing and bending of the eyelashes, as well as the quality of makeup.

Dans le mode de réalisation illustré aux figures 6 et 7, le principe de construction et d'obtention de l'instrument 1 est similaire à celui mis en oeuvre dans les modes de réalisation des figures 1 à 5 et 8 à 10, dans la mesure où l'âme 4 est cette fois formée d'une barre 8 de section transversale carrée conjuguée à la section du trou 5A, les noyaux 5 étant enfilés sur la barre 8 par l'intermédiaire de leur orifice carré unique 5A. La barre 8, initialement non torsadée, subit ensuite un effort de torsion. De la même manière que les deux branches 7A, 7B contrôlent la position angulaire de chaque noyau 5, la section carrée de la barre 8 permet un contrôle de même nature, et donc un décalage angulaire, le long de l'axe X-X', des excroissances 6A de sorte que ces dernières forment des nappes hélicoïdales le long de l'axe X-X'.In the embodiment illustrated in Figures 6 and 7 , the principle of construction and obtaining of the instrument 1 is similar to that implemented in the embodiments of the Figures 1 to 5 and 8 to 10 , to the extent that the core 4 is this time formed of a bar 8 of square cross section conjugate to the section of the hole 5A, the cores 5 being threaded onto the bar 8 via their single square hole 5A. The bar 8, initially not twisted, then undergoes a torsional force. In the same way that the two branches 7A, 7B control the angular position of each core 5, the square section of the bar 8 allows a control of the same nature, and therefore an angular offset, along the axis X-X ' , protuberances 6A so that the latter form helical plies along the axis X-X '.

Dans ce qui précède, on a décrit des modes de réalisation mettant en oeuvre une pluralité de noyaux distincts, mais l'invention peut tout à fait mettre en oeuvre un unique noyau souple (non représenté) portant initialement des rangées rectilignes d'excroissances formant le moyen d'application, ce noyau unique s'étendant longitudinalement sur une longueur correspondant sensiblement à celle de l'âme 4. Dans ce cas, la torsion de l'âme génère une torsion du noyau le long de l'axe X-X' et donc un foisonnement des excroissances portées par ce noyau unique.In the foregoing, embodiments have been described employing a plurality of distinct nuclei, but the invention can very well implement a single flexible core (not shown) initially carrying rectilinear rows of excrescences forming the application means, this single core extending longitudinally over a length substantially corresponding to that of the core 4. In this case, the torsion of the core generates a twist of the core along the axis XX 'and therefore a proliferation of growths carried by this unique nucleus.

Il est également envisageable que l'âme vienne de matière avec le noyau, la torsion de l'âme entraînant, compte-tenu de la liaison d'encastrement existant entre le noyau et l'âme, le torsadage du noyau et donc le foisonnement du moyen d'application qu'il porte.It is also conceivable that the soul comes from material with the core, the torsion of the soul causing, taking into account the embedding connection between the core and the soul, the twist of the core and therefore the proliferation of means of application that it carries.

Dans un autre mode de réalisation de la présente invention, il est en outre concevable que la torsion de l'âme ne s'applique qu'à une partie des noyaux empilés sur l'âme, savoir au moins deux noyaux. La torsion de ladite partie de l'âme entraîne alors le torsadage des noyaux portés par ladite partie de l'âme et donc le foisonnement des moyens d'application qu'ils portent.In another embodiment of the present invention, it is further conceivable that the torsion of the core applies only to a portion of the nuclei stacked on the core, namely at least two cores. The torsion of said portion of the core then causes the twisting of the cores carried by said portion of the core and therefore the expansion of the application means they carry.

L'invention concerne également un procédé de fabrication d'un instrument 1 pour appliquer un produit sur des phanères, et en particulier d'un instrument 1 conforme à celui qui vient d'être décrit dans ce qui précède.The invention also relates to a method of manufacturing an instrument 1 for applying a product to superficial body growths, and in particular an instrument 1 according to the one just described in the foregoing.

Le procédé conforme à l'invention constitue un procédé de fabrication d'un applicateur à mascara pour les cils.
Le procédé conforme à l'invention comprend une première étape de fourniture, au cours de laquelle on fabrique une âme allongée 4 ou on se procure une âme allongée 4 déjà fabriquée.The method according to the invention is a method of manufacturing a mascara applicator for the eyelashes.
The method according to the invention comprises a first supply step, during which an elongated core 4 is manufactured or an elongate core 4 already manufactured is obtained.

Le procédé conforme à l'invention comprend également une deuxième étape de fourniture, au cours de laquelle on fabrique au moins un noyau 5 portant un moyen d'application 6 dudit produit à appliquer, ou au cours de laquelle on se procure au moins un noyau 5 (portant un moyen d'application dudit produit) déjà fabriqué.The method according to the invention also comprises a second supply step, during which at least one core 5 is made carrying a means 6 for applying said product to be applied, or in the course of which at least one core is obtained. 5 (bearing means for applying said product) already manufactured.

Le procédé conforme à l'invention comprend également une étape d'assemblage, au cours de laquelle on assemble l'âme 4 et le noyau 5 de façon que l'âme 4 traverse le noyau 5, l'âme 4 et le noyau 5 étant liés de manière à empêcher sensiblement le noyau 5 de pivoter librement sur l'âme 4.The method according to the invention also comprises an assembly step, during which the core 4 and the core 5 are assembled so that the core 4 passes through the core 5, the core 4 and the core 5 being linked so as to substantially prevent the core 5 from pivoting freely on the core 4.

En d'autres termes, l'âme 4 et le noyau 5 sont, au cours de l'étape d'assemblage, liés mécaniquement pour empêcher sensiblement le noyau 5 de pivoter librement sur l'âme 4.In other words, the core 4 and the core 5 are, during the assembly step, mechanically bonded to substantially prevent the core 5 from pivoting freely on the core 4.

Enfin, le procédé conforme à l'invention comprend une étape de torsadage au cours de laquelle on torsade l'âme allongée 4.Finally, the method according to the invention comprises a twisting step during which the elongate core 4 is twisted.

Comme on l'a évoqué dans ce qui précède, cette étape de torsadage est avantageusement effectuée après l'étape d'assemblage. Ainsi, dans les modes de réalisation illustrés aux figures, les noyaux 5 sont tout d'abord enfilés sur l'âme 4, puis cette dernière est torsadée pour entraîner un décalage angulaire des noyaux 5 les uns relativement aux autres. En d'autres termes, il s'agit d'un décalage angulaire relatif d'au moins deux noyaux 5 portant le moyen d'application 6, et préférentiellement de l'ensemble des noyaux, le long de l'âme 4 et de l'axe X-X'.As mentioned above, this twisting step is advantageously performed after the assembly step. Thus, in the embodiments illustrated in the figures, the cores 5 are first threaded onto the core 4, then the latter is twisted to cause an angular offset of the cores 5 relative to each other. In other words, it is a relative angular offset of at least two cores 5 carrying the application means 6, and preferably all of the cores, along the core 4 and the 'X-X axis'.

Au cours de l'étape de torsadage, les noyaux 5 restent avantageusement sensiblement centrés sur l'axe X-X', de sorte que la direction d'extension générale de l'instrument 1 reste inchangée entre l'étape d'assemblage et l'étape de torsadage.During the twisting step, the cores 5 advantageously remain substantially centered on the X-X 'axis, so that the direction of extension general of the instrument 1 remains unchanged between the assembly step and the twisting step.

Avantageusement, au cours de la deuxième étape de fourniture, on fabrique une pluralité de noyaux 5 portant chacun un moyen d'application 6 correspondant. De préférence, au cours de cette deuxième étape de fourniture, on découpe dans une plaque, de préférence au laser, une pièce d'un seul tenant formant à la fois le noyau 5 et le moyen d'application 6 porté par ledit noyau 5. Par exemple, les pièces d'un seul tenant en question sont découpées dans une plaque en silicone ou en polytétrafluoroéthylène (PTFE) à l'aide d'un outil de découpe laser. Cette façon de procéder permet d'obtenir de manière très rapide et industrielle, à faible coût et avec une bonne répétabilité, un grand nombre de pièces monobloc semblables à celle illustrée à la figure 4 et décrite auparavant.Advantageously, during the second supply step, a plurality of cores 5 each carrying a corresponding application means 6 is manufactured. Preferably, during this second supplying step, a plate, preferably laser, is cut into a single piece forming both the core 5 and the application means 6 carried by said core 5. For example, the one-piece parts in question are cut from a silicone or polytetrafluoroethylene (PTFE) plate using a laser cutting tool. This way of proceeding makes it possible to obtain in a very fast and industrial manner, at low cost and with good repeatability, a large number of monoblock pieces similar to that illustrated in FIG. figure 4 and described previously.

Avantageusement, au cours de l'étape d'assemblage, on empile les noyaux 5 les uns sur les autres, chaque noyau 5 étant traversé par l'âme 4, comme cela a déjà été décrit dans ce qui précède.Advantageously, during the assembly step, the cores 5 are stacked on each other, each core 5 being traversed by the core 4, as already described in the foregoing.

Avantageusement, comme on l'a déjà évoqué précédemment, au cours de la première étape de fourniture, on fabrique ou on se procure une épingle 7 en U avec deux branches longitudinales 7A, 7B reliées par un bras transversal 7C.Advantageously, as already mentioned above, during the first supply step, a U-shaped pin 7 is produced or provided with two longitudinal branches 7A, 7B connected by a transverse arm 7C.

Avantageusement, au cours de la deuxième étape de fourniture, on fabrique ou on se procure au moins un noyau 5 portant un moyen d'application 6 du produit à appliquer, ledit noyau 5 étant percé de deux orifices 5A, 5B. Les orifices 5A, 5B peuvent être préformés dans le noyau 5, c'est-à-dire qu'ils peuvent être par exemple réalisés lors de la fabrication du noyau 5, par découpe et enlèvement de matière. Il est cependant envisageable que les orifices 5A, 5B soient directement réalisés par l'âme 4 lorsque cette dernière traverse le noyau 5, l'âme 4 perforant alors directement le noyau 5 pour ménager par elle-même les orifices 5A, 5B.Advantageously, during the second supply step, at least one core 5 carrying a means 6 for applying the product to be applied is made or obtained, said core 5 being pierced with two orifices 5A, 5B. The orifices 5A, 5B may be preformed in the core 5, that is to say that they may for example be made during the manufacture of the core 5, by cutting and removal of material. However, it is conceivable that the orifices 5A, 5B are directly made by the core 4 when the latter crosses the core 5, the core 4 then directly perforating the core 5 to arrange by itself the orifices 5A, 5B.

Avantageusement, au cours de l'étape d'assemblage, on enfile ainsi les branches longitudinales 7A, 7B de l'épingle 7 respectivement dans les orifices 5A, 5B.Advantageously, during the assembly step, thus threads the longitudinal branches 7A, 7B of the pin 7 respectively in the orifices 5A, 5B.

Dans ce qui précède, on a décrit la mise en oeuvre d'un étrier simple (formé par l'épingle 7), pourvu de seulement deux branches longitudinales. Il est bien évidemment envisageable de mettre en oeuvre l'invention avec un étrier double présentant quatre branches longitudinales, en coopération avec un noyau 5 percé de quatre trous.In the above, it has been described the implementation of a simple stirrup (formed by the pin 7), provided with only two longitudinal branches. It is of course conceivable to implement the invention with a double stirrup having four longitudinal branches, in cooperation with a core 5 pierced with four holes.

Dans ce qui précède, on a également décrit un instrument 1 dans lequel les pièces d'un seul tenant formant le noyau 5 et le moyen d'application 6 sont toutes identiques. Il est bien évidemment envisageable de réaliser un instrument 1 avec des pièces d'épaisseurs, de formes, de dimensions et de consistances différentes (et donc des noyaux et des moyens d'application différents) que l'on empile par familles ou de façon aléatoire, sans pour autant que l'on sorte du cadre de l'invention.In the foregoing, there is also described an instrument 1 in which the single pieces forming the core 5 and the application means 6 are all identical. It is of course conceivable to make an instrument 1 with pieces of different thicknesses, shapes, dimensions and consistencies (and thus different cores and means of application) that are stacked by families or randomly without going beyond the scope of the invention.

Il est également envisageable d'insérer, entre chaque noyau 5 de l'empilement illustré par exemple à la figure 2, des fibres libres, de telle sorte que lesdites fibres passent à travers l'espace interstitiel délimité par les deux branches longitudinales 7A, 7B. Ainsi, lors de l'étape de torsadage, non seulement les noyaux 5 seront décalés angulairement, ce qui engendrera la formation de nappes hélicoïdales d'excroissance 6A, mais lesdites fibres foisonneront également sous l'effet du torsadage de l'âme 4, permettant ainsi l'obtention d'une tête d'application « mixte » comprenant des excroissances 6A et des fibres.It is also possible to insert, between each core 5 of the stack illustrated for example at figure 2 free fibers, such that said fibers pass through the interstitial space delimited by the two longitudinal branches 7A, 7B. Thus, during the twisting step, not only the cores 5 will be angularly offset, which will cause the formation of helical sheets of protrusion 6A, but said fibers will also flourish under the effect of the twisting of the core 4, allowing thus obtaining a " mixed " application head comprising protuberances 6A and fibers.

Il est également envisageable qu'à l'issue de l'étape de torsadage de l'âme 4, le profil général de la tête d'application de l'instrument 1 soit modifié par usinage, c'est-à-dire par enlèvement de matière dans les nappes hélicoïdales formées par les excroissances 6A.It is also conceivable that after the step of twisting the core 4, the overall profile of the application head of the instrument 1 is modified by machining, that is to say by removal of material in the helical layers formed by the protuberances 6A.

POSSIBILITE D'APPLICATION INDUSTRIELLEPOSSIBILITY OF INDUSTRIAL APPLICATION

L'invention trouve son application industrielle dans la conception et la fabrication d'un instrument pour l'application d'un produit sur des phanères, en particulier une brosse à mascara.The invention finds its industrial application in the design and manufacture of an instrument for applying a product to superficial body growths, in particular a mascara brush.

Claims (11)

  1. Instrument (1) for applying a product to epidermal derivatives, said instrument constituting a mascara applicator for eyelashes, designed to pick up a quantity of mascara in a container and transport this quantity to the eyelashes to deposit it on them, said instrument (1) comprising on the one hand an elongated core (4) and on the other at least one nucleus (5) supporting a means of application (6) of said product, said core (4) passing through said nucleus (5), the core (4) and the nucleus(5) being connected to basically prevent the nucleus (5) from pivoting freely on the core (4), characterised in that the core (4) is twisted in a stable and permanent manner by plastic deformation.
  2. Instrument (1) according to claim 1 characterised in that it comprises a plurality of distinct nuclei (5) each supporting a corresponding means of application (6), said nuclei (5) being stacked against each other, each nucleus (5) being passed through by the core (4).
  3. Instrument (1) according to claim 2 characterised in that the nuclei (5) are basically identical to each other.
  4. Instrument (1) according to one of claims 1 to 3 characterised in that the means of application (6) comprises protuberances (6A) protruding from the nucleus (5).
  5. Instrument (1) according to one of claims 1 to 4 characterised in that the means of application (6) is one with the nucleus (5).
  6. Instrument (1) according to one of claims 1 to 5 characterised in that the nucleus (5) takes the form of a plate.
  7. Instrument (1) according to one of claims 1 to 6 characterised in that the core (4) comprises at least one U-shaped pin (7) with two longitudinal branches (7A, 7B) connected by a transverse arm (7C), the nucleus (5) having two holes (5A, 5B) in which said longitudinal branches (7A, 7B) are inserted respectively.
  8. Method of manufacturing of an instrument (1) for applying a product to epidermal derivatives, said instrument constituting a mascara applicator for eyelashes, designed to pick up a quantity of mascara in a container and transport this quantity to the eyelashes to deposit it on them, said method comprising:
    - a first supply step, in the course of which an elongated core (4) is manufactured, or an already manufactured elongated core (4) is procured,
    - a second supply step, in the course of which at least one nucleus (5) supporting a means of application (6) of said product is manufactured, or at least one already manufactured nucleus (5) supporting a means of application (6) of said product is procured,
    - an assembly step, in the course of which said core (4) and nucleus (5) are assembled in such a manner that the core (4) passes through the nucleus (5), the core (4) and the nucleus (5) being connected to basically prevent the nucleus (5) from pivoting freely on the core (4),
    characterised in that it comprises a twisting step in the course of which the core (4) is twisted, the twisting step being carried out after the assembly step.
  9. Method according to claim 8 characterised in that in the course of the second supply step, a plurality of nuclei (5) each supporting a corresponding means of application (6) are manufactured, and in that in the course of the assembly step, said nuclei (5) are stacked on each other, each nucleus (5) being passed through by the core (4).
  10. Method according to one of claims 8 or 9 characterised in that in the course of the first supply step, a U-shaped pin (7) with two longitudinal branches (7A, 7B) connected by a transverse arm (7C) is manufactured or procured, in that in the course of the second supply step, at least one nucleus (5) supporting a means of application (6) of said product is manufactured or procured, said nucleus (5) having two holes (5A, 5B), and in that in the course of the assembly step said longitudinal branches (7A, 7B) are inserted in the two holes (5A, 5B) respectively.
  11. Method according to one of claims 8 to 10 characterised in that in the course of the second supply step a one-piece part forming the nucleus (5) and the means of application (6) supported by said nucleus (5) are cut in a plate, preferably with a laser.
EP07731375.7A 2006-04-28 2007-04-27 Instrument for applying a product to superficial epidermal derivatives and its method of manufacture Active EP2012615B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0603868A FR2900319B1 (en) 2006-04-28 2006-04-28 INSTRUMENT FOR APPLYING A PRODUCT TO PHANES AND METHOD OF MAKING SAME
PCT/FR2007/000721 WO2007125207A2 (en) 2006-04-28 2007-04-27 Instrument for applying a product to superficial epidermal derivatives and its method of manufacture

Publications (2)

Publication Number Publication Date
EP2012615A2 EP2012615A2 (en) 2009-01-14
EP2012615B1 true EP2012615B1 (en) 2019-01-16

Family

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Application Number Title Priority Date Filing Date
EP07731375.7A Active EP2012615B1 (en) 2006-04-28 2007-04-27 Instrument for applying a product to superficial epidermal derivatives and its method of manufacture

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US (1) US8899241B2 (en)
EP (1) EP2012615B1 (en)
JP (1) JP5263976B2 (en)
ES (1) ES2714570T3 (en)
FR (1) FR2900319B1 (en)
WO (1) WO2007125207A2 (en)

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FR2936691B1 (en) * 2008-10-06 2012-12-07 Oreal INSTRUMENT FOR APPLYING A PRODUCT TO PHANES AND METHOD OF MANUFACTURING THE SAME
ITMI20082197A1 (en) * 2008-12-12 2010-06-13 Laffon Spa APPLICABLE DEVICE FOR VISCOSE OR PASTE LIQUID PRODUCTS, IN PARTICULAR FOR APPLICATIONS IN DECORATIVE COSMETICS, MORE PARTICULARLY FOR THE APPLICATION OF THE MASCARA TO THE CIGLIA, AND CONTAINER OF COSMETIC PRODUCTS PROVIDED WITH THIS DISP.
FR2946847B1 (en) 2009-06-23 2011-08-19 Oreal APPLICATOR WITH HOT TORSADEE HEAD
USD616608S1 (en) 2009-10-26 2010-05-25 Mary Kay Inc. Mascara container
FR2953379B1 (en) * 2009-12-08 2012-02-10 Oreal APPLICATOR FOR APPLYING A PRODUCT ON THE LASHES AND / OR THE EYE
FR2958130B1 (en) 2010-03-30 2012-06-08 Oreal APPLICATOR FOR APPLYING A PRODUCT ON LASHES AND / OR EYEILS.
FR2958134B1 (en) * 2010-04-06 2012-10-26 Oreal MIXED APPLICATOR FOR PRODUCT APPLICATION ON LACQUERS
FR2999886B1 (en) * 2012-12-26 2015-03-20 Lvmh Rech APPLICATOR DEVICE AND SYSTEM FOR PACKAGING AND APPLYING COSMETIC PRODUCT, AND USE THEREOF
US20150327663A1 (en) * 2015-04-08 2015-11-19 Aa R&D Llc Straight comb technology on twisted molded/wired brush
US9591916B2 (en) * 2015-05-01 2017-03-14 Aa R&D Llc Assembly technology for any shape disk brush
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FR3066367B1 (en) 2017-05-16 2019-07-05 L'oreal APPLICATOR FOR APPLYING A PRODUCT ON THE LASHES
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FR3070842B1 (en) * 2017-09-12 2021-07-16 Oreal COSMETIC APPLICATOR
FR3070843B1 (en) * 2017-09-12 2021-07-30 Oreal COSMETIC APPLICATOR
FR3070839A1 (en) 2017-09-12 2019-03-15 L'oreal COSMETIC APPLICATOR
FR3070840B1 (en) * 2017-09-12 2021-11-12 Oreal COSMETIC APPLICATOR
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FR3087326B1 (en) 2018-10-17 2020-11-06 Oreal APPLICATION BODY OF A PRODUCT HAS TWO TYPES OF INTERCAL APPLICATION ELEMENTS, PACKAGING AND APPLICATION DEVICE INCLUDING SUCH APPLICATION BODY AND MANUFACTURING PROCESS OF SAID APPLICATION UNIT
FR3089766B1 (en) 2018-12-18 2021-09-24 Oreal Application unit for a product and manufacturing process for said application unit
FR3089773B1 (en) 2018-12-18 2021-01-22 Oreal Application unit for a product and manufacturing process for said application unit
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WO2024033431A1 (en) 2022-08-12 2024-02-15 L'oreal Applicator for applying a cosmetic composition to the eyelashes or eyebrows
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Also Published As

Publication number Publication date
US8899241B2 (en) 2014-12-02
JP5263976B2 (en) 2013-08-14
WO2007125207A2 (en) 2007-11-08
EP2012615A2 (en) 2009-01-14
FR2900319A1 (en) 2007-11-02
WO2007125207A3 (en) 2008-01-24
FR2900319B1 (en) 2008-07-11
US20090194128A1 (en) 2009-08-06
JP2009535078A (en) 2009-10-01
ES2714570T3 (en) 2019-05-29

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