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EP3895579B1 - Mechanism for a container for applying a cosmetic product and container comprising such a mechanism - Google Patents

Mechanism for a container for applying a cosmetic product and container comprising such a mechanism Download PDF

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Publication number
EP3895579B1
EP3895579B1 EP21167548.3A EP21167548A EP3895579B1 EP 3895579 B1 EP3895579 B1 EP 3895579B1 EP 21167548 A EP21167548 A EP 21167548A EP 3895579 B1 EP3895579 B1 EP 3895579B1
Authority
EP
European Patent Office
Prior art keywords
sheath
envelope
cosmetic product
mechanism according
base
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
EP21167548.3A
Other languages
German (de)
French (fr)
Other versions
EP3895579A1 (en
Inventor
Mark Edmondson
Marc Jourdain
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.)
Albea Services SAS
Original Assignee
Albea Services SAS
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 Albea Services SAS filed Critical Albea Services SAS
Publication of EP3895579A1 publication Critical patent/EP3895579A1/en
Application granted granted Critical
Publication of EP3895579B1 publication Critical patent/EP3895579B1/en
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/06—Casings wherein movement of the lipstick or like solid is a screwing movement
    • 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
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • 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
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • 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
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/023—Casings wherein movement of the lipstick or like solid is a sliding movement with self-contained covering means
    • 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
    • A45D40/06—Casings wherein movement of the lipstick or like solid is a screwing movement
    • A45D40/065—Casings wherein movement of the lipstick or like solid is a screwing movement with self-contained covering means
    • 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
    • A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
    • A45D40/205—Holders for stick-shaped cosmetics whereby the stick can move axially relative to the holder
    • A45D2040/208—Holders for stick-shaped cosmetics whereby the stick can move axially relative to the holder the relative movement being made by a rotating action, e.g. effected by a screw

Definitions

  • the invention relates to a mechanism for a receptacle for applying a cosmetic product, in particular a lipstick, and a receptacle comprising such a mechanism.
  • the receptacles for applying a cosmetic product comprise a mechanism making it possible to move the cosmetic product between a retracted position and an application position in which the cosmetic product is capable of being removed. be applied by friction.
  • the actuation of the mechanism is generally controlled manually by applying a rotational movement to the base of the receptacle, which rotational movement is transmitted to the mechanism to cause the axial movement of a cup containing the cosmetic product.
  • This type of mechanism generally comprises at least one envelope, also called a sleeve, fitted onto a sheath participating in the movement of the cosmetic product.
  • the envelope is a visible aesthetic part, since it extends outside the base of the receptacle inside which the rest of the mechanism is housed.
  • EP 0 943 262 A2 discloses a mechanism for a receptacle for applying a cosmetic product, the mechanism being designed to bring out the cosmetic product by at least one rotational movement, said mechanism comprising at least one sheath internally comprising at least one helical groove, a guide mounted in rotation in the sheath, a cup carrying the cosmetic product, said cup being mounted in the guide, an outer envelope surrounding the sheath, the sheath and the envelope being integral in rotation and in translation.
  • a metallic material such as anodized aluminum
  • a plastic material is chosen for the sheath of the mechanism.
  • the metallic material of the envelope makes it possible to mount it on the sheath by crimping, punching or gluing which are techniques having the advantage of simultaneously ensuring an axial connection and a rotational connection between the envelope and the sheath.
  • the aim of the invention is in particular to propose a new design of mechanism making it possible to resolve at least part of the disadvantages of the state of the art.
  • the invention relates to a mechanism according to claim 1.
  • the plastic parts can be easily obtained by injection and lead to a lightweight mechanism.
  • plastic materials can be tinted, thus guaranteeing aesthetic quality.
  • plastic materials in particular similar plastic materials for the entire mechanism 20 makes recycling easier.
  • polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.
  • the invention also relates to a receptacle for applying a cosmetic product comprising a cover, an actuation base which comprises a mechanism as described below, the actuation base allowing entry and/or exit of the product cosmetic.
  • the cover is made of plastic material chosen from polypropylene and/or polyethylene terephthalate and/or the base is made of plastic material chosen from polypropylene and/or polyethylene terephthalate.
  • a mechanism comprising an assembly point as described below is obtained by a method of obtaining it comprising a step in which the at least one assembly point is obtained by welding.
  • welding is obtained by thermal punching.
  • the “axial” direction corresponds to that of main extension of the receptacle, illustrated by the axis A in the figures and the “radial” direction is orthogonal to the axial direction.
  • FIG. 1 an example of a receptacle 10, also called a case, for a cosmetic product 10.
  • the cosmetic product is a stick 12 of cosmetic product and more particularly, the stick 12 of cosmetic product is a stick of lipstick intended to be applied by rubbing, alternatively a lip care balm.
  • the receptacle 10 comprises at least one cover 14 which is associated with an actuation base 16 having a complementary shape, the base 16 and the cover 14 together defining an external contour of the receptacle 10.
  • the receptacle 10 further comprises a mechanism 20 for dispensing the stick 12 of cosmetic product.
  • the cover 14, the base 16 of the receptacle 10 and the mechanism 20 have a cylindrical shape of circular section.
  • the cover 14 is removable.
  • the cover 14 is capable of occupying at least one open position in which the cover 14 is separated from the base 16 with a view in particular to allowing the application of the cosmetic product and a closed position in which the cover 14 is integral with base 16 ( figure 1 ).
  • the lower part of the cover 14 comprises inside at least one annular bead 18 which is intended to cooperate with an external cylindrical surface of the mechanism 20.
  • the annular bead 18 ensures that the cover 14 is maintained in the closed position and contributes to obtaining an airtight closure in order to guarantee good conservation of the stick 12 of cosmetic product, during use of the mechanism 20.
  • the cover 14 comprises a lower edge 19 which is capable of abutting against an upper edge 17 of the actuation base 16 in the closed position.
  • the base 16 may comprise a shoulder which extends radially at the level of the connection of the upper part of the base 16 with a lower part of larger diameter. The lower edge of the cover 14 is then likely to abut against said shoulder in the closed position.
  • FIG. 2 An exemplary embodiment of the mechanism 20 is illustrated in figure 2 .
  • the mechanism 20 has a main axis which extends in the axial direction, merging with the main axis A of the receptacle 10.
  • the mechanism 20 is intended to be mounted removable or not on an actuation base 16, for example the actuation base 16 of the receptacle 10 for cosmetic product described above.
  • the mechanism 20 and its entry and/or exit mechanism of the cosmetic product stick 12 described below are given only by way of non-limiting example.
  • the mechanism 20 comprises an internal guide 22 whose rotation relative to an external sheath 24 causes an axial movement of a cup 26 carrying the stick 12 of cosmetic product allowing entry and/or a exit of the stick 12 of cosmetic product.
  • the guide 22 is mounted in rotation in the sheath 24.
  • the cup 26 is mounted in the guide 22.
  • the cup 26 comprises at least one lug (not visible), preferably two diametrically opposed lugs.
  • Each slide 25 advantageously comprises, at each of its upper and lower ends, an angular notch 25a forming an end stop for the lugs of the cup 26.
  • the sheath 24 surrounds the guide 22.
  • the sheath 24 internally comprises two helical grooves 27 with which the free end of the lugs cooperate respectively, each lug passing radially through the associated slide 25 of the guide 22 to engage in a groove 27.
  • the mechanism 20 here again comprises an envelope 28, also called a sleeve or even a shirt.
  • the envelope 28 surrounds the sheath 24.
  • the envelope 28 and the sheath 24 are made of plastic.
  • the plastic material of the envelope 28 and the plastic material of the sheath 24 can be chosen from polypropylene and/or polyethylene terephthalate.
  • the envelope 28 and the sheath 24 can be in the same plastic material or in two different plastic materials.
  • the envelope 28 and the sheath 24 are made of the same plastic material.
  • the cup 26 and/or the guide 22 are also provided in plastic material chosen from polypropylene and/or polyethylene terephthalate.
  • all the parts of the mechanism 20 are made of plastic material chosen from polypropylene and/or polyethylene terephthalate.
  • the plastic parts can be easily obtained by injection and lead to a lightweight mechanism.
  • plastic materials can be tinted, thus guaranteeing aesthetic quality.
  • plastic materials in particular similar plastic materials for the entire mechanism 20 makes recycling easier.
  • polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.
  • the cover 14 and/or the base 16 are also made of plastic material chosen from polypropylene and/or polyethylene terephthalate.
  • the cover 14 and the base 16 can be in the same plastic material or in two different plastic materials.
  • the cover 14 and the base 16 are made of the same plastic material.
  • the entire receptacle 10, that is to say the entire mechanism 20, as well as the cover 14 and the base 16 are made of plastic material chosen from polypropylene and/or polyethylene terephthalate, particularly in the same plastic material.
  • plastic materials in particular similar plastic materials for the entire receptacle 10 makes it easier to obtain parts which can be easily obtained by injection and lead to a light receptacle 10.
  • plastic materials can be tinted and thus guarantee aesthetic quality.
  • plastic materials in particular similar plastic materials for the entire mechanism 20 makes recycling easier.
  • polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.
  • the guide 22 includes a wheel 30.
  • the wheel 30 is located axially at the lower end of the guide 22.
  • the wheel 30 is intended to allow the rotation of the guide 22 causing, depending on the direction of rotation, an axial upward or downward movement of the cup 26 and thus of the stick 12 of cosmetic product.
  • the wheel 30 is a separate part attached to the guide 22.
  • the wheel 30 is made integrally, in a single piece, with the guide 22 of the mechanism 20
  • the wheel 30 of the mechanism 20 is actuated, after having previously removed the cover 14, via the base 16.
  • the envelope 28 and/or the sheath 24 are extended axially beyond the wheel, this in order to prevent or at least make difficult access to said wheel 30.
  • Such a configuration makes it possible to limit the actuation of the mechanism 20 by a user even before said mechanism 20 has been associated with the corresponding base 16.
  • the wheel 30 and the base 16 must on the one hand be axially connected together and, on the other hand, be linked in rotation to ensure the transmission to the wheel 30 of the mechanism 20 of any rotational movement applied to the base 16.
  • the actuation base 16 comprises fixing means for axially linking the actuation base 16 with the wheel 30 of the mechanism 20.
  • the fixing means comprise four tabs 32 which extend axially upwards from a lower part of the actuation base 16.
  • the four legs 32 of the actuation base 16 are angularly distributed in a regular manner, i.e. at 90°.
  • the tabs 32 are inserted into a complementary orifice which is provided centrally in the wheel 30 of the mechanism 20.
  • the tabs 32 are flexible.
  • each tab 32 is configured to form a hook 34 which cooperates with an upper edge 36 of the orifice of the wheel 30 in order to axially block the actuation base 16.
  • the fixing tabs 32 make it possible to axially connect the actuation base 16 to the wheel 30 of the mechanism 20.
  • the rotation of the wheel 30 and the base is blocked by complementary notching of the wheel 30 and the tabs 32, that is to say a set of grooves 38 which extend axially, parallel to each other. on an internal surface of the wheel 30 and on the external surface of the legs 32 of the base 16.
  • the envelope 28 and the sheath 24 are integral in rotation and in translation.
  • the envelope 28 is also held on the sheath 24 by means of at least one extra thickness 50 of material located between the sheath 24 and the envelope 28 so that the sheath 24 and the envelope 28 are united at least in translation.
  • the extra thickness 50 of material ensures a forceful assembly of the envelope 28 around the sheath 24 making it possible to improve their maintenance, in particular upon tearing and rotation relative to the other. Furthermore, the use of an extra thickness 50 of material between the envelope 28 and the sheath 24, in other words in an internal zone of the mechanism 20, makes it possible to maintain a good visual aesthetic of the mechanism 20.
  • the extra thickness 50 of material can be located on an internal surface 52 of the envelope 28 (embodiment shown here) or on the external surface 46 of the sheath 24 (not shown) or even on the internal surface 52 of the envelope 28 and on the external surface 46 of the sheath 24 (not shown). It may be, for example, a single extra thickness 50.
  • it is, for example, an extra thickness 50 which extends over the entire periphery of the internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24, such as a bead.
  • the mechanism 20 can also include a plurality of extra thicknesses 50 of material distributed on the internal surface 52 of the envelope 28 and/or on the external surface 46 of the sheath 24.
  • the extra thicknesses 50 of materials can be discrete points distributed over the entire internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24.
  • the extra thicknesses 50 of material can also be discrete points distributed over the entire periphery of the internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24, so as to form, for example, a discontinuous bead.
  • the at least one extra thickness 50 of material is two beads 50 of material arranged around the periphery of the internal surface 52 of the envelope 28 at the level of the lower portion of the envelope 28 and the sheath 24 where there are two assembly points 40 mentioned below.
  • the envelope 28 and the sheath 24 both being made of plastic material, they are also fused at at least one point, called assembly point 40, so as to be integral in rotation and in translation.
  • the envelope and the sheath now form only one single piece and are connected, permanently united at at least one assembly point. This is made possible in particular by mixing the plastic materials of the envelope and the sheath at the assembly point.
  • the mechanism 20 comprises two diametrically opposed assembly points 40.
  • the two assembly points 40 are arranged on a lower portion of the envelope 28 and the sheath 24 opposite an upper portion comprising an opening 42 through which the cosmetic product can exit.
  • the two assembly points 40 are visible on an external surface 44 of the envelope 28.
  • each of the assembly points 40 is arranged both on the external surface 44 of the envelope 28 and on an external surface 46 of the sheath 24.
  • the assembly point 40 is in the form of a hollow triangle having a rounded upper vertex 48 (that is to say a vertex directed towards the upper portion comprising the opening).
  • the at least one assembly point 40 is obtained by a method of obtaining it comprising a step in which the at least one assembly point 40 is obtained by welding, such as for example thermal punching.
  • Thermal punching can be obtained by applying, striking at least one thermally regulated punch on the external and/or internal surfaces of the envelope 28 and/or the sheath 24.
  • the application time of the(s) punch(s) is defined as a function of the size of the mechanism 20, the type of plastic material, the thickness of the envelope 28 and/or the sheath 24, the final level of fusion between the envelope 28 and the sheath 24 desired.
  • the envelope 28 and the sheath 24 are fused by heating and pressure of a zone forming the assembly point 40.
  • the plastic materials of the envelope 28 and the sheath 24 melt under heat and mix to form the assembly point 40, particularly once the area has cooled.
  • the pressure exerted during punching makes it possible to create a mark forming the assembly point 40.
  • the fusion of the envelope 28 and the sheath 24 can be detected by a mixture of the materials of the sheath 24 and the envelope 28.
  • the assembly point 40 may present a difference in color compared to the rest of the envelope 28 and the sheath 24 due to the mixture of the two materials plastics.
  • the assembly point 40 can thus be visualized. This change in color is particularly visible when the assembly point 40 is located on the external surfaces 44, 46 of the envelope 28 and the sheath 24. This difference in color is particularly visible in the area of the adjacent envelope 28 to the sheath 24 and in the area of the sheath 24 adjacent to the envelope 28.
  • the assembly point 40 can also be visualized by a hollow-shaped mark left by the punching on the external surface 44 of the envelope 28 and/or on the external surface 46 of the sheath 24.
  • the at least one assembly point 40 can represent a pattern, such as a logo, a letter, a text, or any other suitable pattern.
  • a plurality of assembly points 40 these can be distributed around the periphery of the envelope 28, as shown here with two assembly points 40.
  • the assembly points 40 can also be distributed over the entire height of the envelope 28 (not shown).
  • the distribution can be regular or random.
  • the mechanism 20 can also include a single assembly point 40.
  • the presence of an extra thickness between the envelope and the sheath and/or the fusion between these two parts allows a connection between the envelope and the sheath which is advantageously simple, reliable and economical.
  • the assembly of the two parts can be done by tightening but very often this is not sufficient, particularly at the level of the axial connection.
  • Another solution for assembling the two pieces is the gluing technique.
  • glue when the two parts are assembled by gluing creates risks of pollution of the cosmetic product by the glue, the quantity and distribution of which is difficult to control with great precision during assembly.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention concerne un mécanisme pour un réceptacle d'application d'un produit cosmétique, notamment un raisin de rouge à lèvres, et un réceptacle comportant un tel mécanisme.The invention relates to a mechanism for a receptacle for applying a cosmetic product, in particular a lipstick, and a receptacle comprising such a mechanism.

Arrière-plan techniqueTechnical background

De façon classique, les réceptacles d'application d'un produit cosmétique, notamment un raisin de rouge à lèvres, comprennent un mécanisme permettant de déplacer le produit cosmétique entre une position escamotée et une position d'application dans laquelle le produit cosmétique est susceptible d'être appliqué par frottement.Conventionally, the receptacles for applying a cosmetic product, in particular a lipstick, comprise a mechanism making it possible to move the cosmetic product between a retracted position and an application position in which the cosmetic product is capable of being removed. be applied by friction.

L'actionnement du mécanisme est généralement commandé manuellement en appliquant un mouvement de rotation à la base du réceptacle, lequel mouvement de rotation est transmis au mécanisme pour provoquer le déplacement axial d'une cupule comportant le produit cosmétique.The actuation of the mechanism is generally controlled manually by applying a rotational movement to the base of the receptacle, which rotational movement is transmitted to the mechanism to cause the axial movement of a cup containing the cosmetic product.

Ce type de mécanisme comporte généralement au moins une enveloppe, appelée aussi manchon, emmanchée sur une gaine participant au déplacement du produit cosmétique. L'enveloppe est une pièce esthétique visible, puisque s'étendant hors de la base du réceptacle à l'intérieur de laquelle le reste du mécanisme est logé.This type of mechanism generally comprises at least one envelope, also called a sleeve, fitted onto a sheath participating in the movement of the cosmetic product. The envelope is a visible aesthetic part, since it extends outside the base of the receptacle inside which the rest of the mechanism is housed.

Classiquement, l'enveloppe et la gaine sont réalisées sous la forme de deux pièces distinctes pour lesquelles il est possible de choisir librement le matériau. Dans une telle conception, les deux pièces doivent être liées solidairement l'une à l'autre. EP 0 943 262 A2 divulgue un mécanisme pour un réceptacle d'application d'un produit cosmétique, le mécanisme étant conçu pour faire sortir le produit cosmétique par au moins un mouvement de rotation, ledit mécanisme comportant au moins une gaine comprenant intérieurement au moins une rainure hélicoïdale,un guide monté en rotation dans la gaine, une cupule portant le produit cosmétique, ladite cupule étant montée dans le guide, une enveloppe, extérieure entourant la gaine, la gaine et l'enveloppe étant solidaires en rotation et en translation.Conventionally, the envelope and the sheath are made in the form of two separate parts for which it is possible to freely choose the material. In such a design, the two parts must be securely linked to each other. EP 0 943 262 A2 discloses a mechanism for a receptacle for applying a cosmetic product, the mechanism being designed to bring out the cosmetic product by at least one rotational movement, said mechanism comprising at least one sheath internally comprising at least one helical groove, a guide mounted in rotation in the sheath, a cup carrying the cosmetic product, said cup being mounted in the guide, an outer envelope surrounding the sheath, the sheath and the envelope being integral in rotation and in translation.

Typiquement un matériau métallique, tel que de l'aluminium anodisé, est choisi pour l'enveloppe et un matériau plastique est choisi pour la gaine du mécanisme.Typically a metallic material, such as anodized aluminum, is chosen for the casing and a plastic material is chosen for the sheath of the mechanism.

La matière métallique de l'enveloppe permet de monter celle-ci sur la gaine par sertissage, poinçonnage ou collage qui sont des techniques ayant l'avantage d'assurer simultanément une liaison axiale et une liaison en rotation entre l'enveloppe et la gaine.The metallic material of the envelope makes it possible to mount it on the sheath by crimping, punching or gluing which are techniques having the advantage of simultaneously ensuring an axial connection and a rotational connection between the envelope and the sheath.

En revanche, la présence de deux matériaux différents, métallique et plastique, présente des inconvénients, notamment lors du recyclage où les deux pièces doivent être séparées.On the other hand, the presence of two different materials, metallic and plastic, presents disadvantages, particularly during recycling where the two parts must be separated.

Le but de l'invention est notamment de proposer une nouvelle conception de mécanisme permettant de résoudre au moins une partie des inconvénients de l'état de la techniqueThe aim of the invention is in particular to propose a new design of mechanism making it possible to resolve at least part of the disadvantages of the state of the art.

Résumé de l'inventionSummary of the invention

Ainsi, l'invention concerne un mécanisme selon la revendication 1.Thus, the invention relates to a mechanism according to claim 1.

Les pièces en matière plastique peuvent être facilement obtenues par injection et conduisent à un mécanisme léger.The plastic parts can be easily obtained by injection and lead to a lightweight mechanism.

De plus, les matières plastiques peuvent être teintées garantissant ainsi la qualité esthétique.In addition, plastic materials can be tinted, thus guaranteeing aesthetic quality.

Par ailleurs, l'utilisation de matières plastiques, en particulier de matières plastiques similaires pour l'ensemble du mécanisme 20 permet de faciliter le recyclage. En particulier, le polypropylène et le polyéthylène téréphtalate sont deux matières plastiques dont le cycle de recyclage est bien connu.Furthermore, the use of plastic materials, in particular similar plastic materials for the entire mechanism 20 makes recycling easier. In particular, polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.

Selon différents modes de réalisation de l'invention, qui pourront être pris ensemble ou séparément :

  • le guide est entouré par la gaine,
  • la mise en rotation du guide par rapport à la gaine provoque un mouvement axial de la cupule,
  • la cupule est en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate,
  • le guide est en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate,
  • toutes les pièces du mécanisme sont en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate,
  • l'enveloppe est maintenue sur la gaine par l'intermédiaire d'au moins une surépaisseur de matière située entre la gaine et l'enveloppe de manière à ce que la gaine et l'enveloppe soient solidaires au moins en translation,
  • la surépaisseur de matière permet en outre que la gaine et l'enveloppe soient solidaires en rotation,
  • la au moins une surépaisseur de matière assure un montage en force de l'enveloppe autour de la gaine,
  • la au moins une surépaisseur de matière est située sur une surface interne de l'enveloppe,
  • la au moins une surépaisseur de matière est située sur une surface externe de la gaine,
  • le mécanisme comprend une pluralité de surépaisseurs de matière réparties sur la surface interne de l'enveloppe,
  • le mécanisme comprend une pluralité de surépaisseurs de matière réparties sur la surface externe de la gaine,
  • la au moins une surépaisseur de matière est un bourrelet de matière agencé sur le pourtour de la surface interne de l'enveloppe,
  • la au moins une surépaisseur de matière est un bourrelet de matière agencé sur le pourtour de la surface externe de la gaine,
  • la au moins une surépaisseur de matière est deux bourrelets de matière agencés sur le pourtour de la surface interne de l'enveloppe,
  • la au moins une surépaisseur de matière est agencée sur une portion inférieure de l'enveloppe et/ou de la gaine opposée à une portion supérieure comprenant une ouverture par laquelle le produit cosmétique peut sortir,
  • l'enveloppe et la gaine sont fusionnées en au moins un point, dit point d'assemblage, de manière à être solidaires en rotation et en translation,
  • l'enveloppe présente une surface externe sur laquelle le au moins point d'assemblage est visible,
  • le mécanisme comprend une pluralité de points d'assemblage,
  • la pluralité de points d'assemblage est répartie sur le pourtour de l'enveloppe,
  • la pluralité de points d'assemblage est régulièrement répartie sur le pourtour de l'enveloppe,
  • la pluralité de points d'assemblage est répartie sur toute la hauteur de l'enveloppe,
  • la pluralité de points d'assemblage est régulièrement répartie sur toute la hauteur de l'enveloppe,
  • le au moins un point d'assemblage est un motif, tel qu'un logo, une lettre, un texte.
According to different embodiments of the invention, which can be taken together or separately:
  • the guide is surrounded by the sheath,
  • rotating the guide relative to the sheath causes an axial movement of the cup,
  • the cup is made of plastic material chosen from polypropylene and/or polyethylene terephthalate,
  • the guide is made of plastic material chosen from polypropylene and/or polyethylene terephthalate,
  • all the parts of the mechanism are made of plastic chosen from polypropylene and/or polyethylene terephthalate,
  • the envelope is held on the sheath by means of at least one extra thickness of material located between the sheath and the envelope so that the sheath and the envelope are integral at least in translation,
  • the extra thickness of the material also allows the sheath and the envelope to be united in rotation,
  • the at least one extra thickness of material ensures forceful assembly of the envelope around the sheath,
  • the at least one extra thickness of material is located on an internal surface of the envelope,
  • the at least one extra thickness of material is located on an external surface of the sheath,
  • the mechanism comprises a plurality of extra thicknesses of material distributed over the internal surface of the envelope,
  • the mechanism comprises a plurality of extra thicknesses of material distributed over the external surface of the sheath,
  • the at least one extra thickness of material is a bead of material arranged around the periphery of the internal surface of the envelope,
  • the at least one extra thickness of material is a bead of material arranged around the periphery of the external surface of the sheath,
  • the at least one extra thickness of material is two beads of material arranged around the periphery of the internal surface of the envelope,
  • the at least one extra thickness of material is arranged on a lower portion of the envelope and/or the sheath opposite an upper portion comprising an opening through which the cosmetic product can exit,
  • the envelope and the sheath are fused at least one point, called the assembly point, so as to be integral in rotation and in translation,
  • the envelope has an external surface on which the at least assembly point is visible,
  • the mechanism comprises a plurality of assembly points,
  • the plurality of assembly points is distributed around the perimeter of the envelope,
  • the plurality of assembly points is regularly distributed around the perimeter of the envelope,
  • the plurality of assembly points is distributed over the entire height of the envelope,
  • the plurality of assembly points is regularly distributed over the entire height of the envelope,
  • the at least one assemblage point is a pattern, such as a logo, a letter, a text.

L'invention concerne aussi un réceptacle d'application d'un produit cosmétique comportant un capot, une base d'actionnement qui comporte un mécanisme tel que décrit ci-dessous, la base d'actionnement permettant une entrée et/ou une sortie du produit cosmétique.The invention also relates to a receptacle for applying a cosmetic product comprising a cover, an actuation base which comprises a mechanism as described below, the actuation base allowing entry and/or exit of the product cosmetic.

De façon avantageuse, le capot est en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate et/ou la base est en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate.Advantageously, the cover is made of plastic material chosen from polypropylene and/or polyethylene terephthalate and/or the base is made of plastic material chosen from polypropylene and/or polyethylene terephthalate.

De façon avantageuse, un mécanisme comprenant un point d'assemblage tel que décrit ci-dessous est obtenu par un procédé d'obtention comprenant une étape dans laquelle le au moins un point d'assemblage est obtenu par soudage.Advantageously, a mechanism comprising an assembly point as described below is obtained by a method of obtaining it comprising a step in which the at least one assembly point is obtained by welding.

Avantageusement, le soudage est obtenu par poinçonnage thermique.Advantageously, welding is obtained by thermal punching.

Brève description des figuresBrief description of the figures

L'invention sera mieux comprise, et d'autres caractéristiques et avantages de celle-ci apparaîtront au cours de la lecture de la description détaillée qui va suivre, d'au moins un mode de réalisation de l'invention donné à titre d'exemple purement illustratif et non limitatif, en référence aux dessins schématiques annexés dans lesquels :

  • [Fig.1] la figure 1 est une vue en coupe axiale qui représente un réceptacle après montage d'un mécanisme selon l'invention sur une base d'actionnement du réceptacle ;
  • [Fig.2] la figure 2 est une vue en coupe axiale qui représente le mécanisme de la figure 1 ;
  • [Fig.3] la figure 3 est une vue en perspective d'un ensemble d'une gaine et d'une enveloppe composant le mécanisme de la figure 2 ;
  • [Fig.4] la figure 4 est une vue en coupe axiale de l'ensemble de la figure 3 ; [Fig.5] la figure 5 est une vue en grossissement de la figure 4 ;
  • [Fig.6] la figure 6 est une vue en perspective de l'enveloppe de l'ensemble de la figure 2.
The invention will be better understood, and other characteristics and advantages thereof will appear during reading of the detailed description which follows, of at least one embodiment of the invention given by way of example. purely illustrative and non-limiting, with reference to the appended schematic drawings in which:
  • [ Fig.1 ] there figure 1 is an axial sectional view which represents a receptacle after mounting a mechanism according to the invention on a base for actuating the receptacle;
  • [ Fig.2 ] there figure 2 is an axial sectional view which represents the mechanism of the figure 1 ;
  • [ Fig.3 ] there Figure 3 is a perspective view of a set of a sheath and an envelope making up the mechanism of the figure 2 ;
  • [ Fig.4 ] there figure 4 is an axial sectional view of the entire Figure 3 ; [ Fig.5 ] there figure 5 is a magnified view of the figure 4 ;
  • [ Fig.6 ] there Figure 6 is a perspective view of the envelope of the entire figure 2 .

Description détaillée de l'inventionDetailed description of the invention

Par convention, la direction « axiale » correspond à celle d'extension principale du réceptacle, illustré par l'axe A sur les figures et la direction « radiale » est orthogonale à la direction axiale.By convention, the “axial” direction corresponds to that of main extension of the receptacle, illustrated by the axis A in the figures and the “radial” direction is orthogonal to the axial direction.

Dans la description détaillée des figures qui suit, on utilisera de manière non limitative les termes « supérieur » et « inférieur » ou encore « haut » et « bas » en référence à la direction axiale.In the detailed description of the figures which follows, the terms “upper” and “lower” or “top” and “bottom” will be used in a non-limiting manner with reference to the axial direction.

De la même manière, les termes « extérieur ou externe » et « intérieur ou interne » sont utilisés en référence à la direction radiale, un élément extérieur étant radialement plus éloigné de l'axe A qu'un élément intérieur.Likewise, the terms "exterior or external" and "interior or internal" are used with reference to the radial direction, an exterior element being radially further from the axis A than an interior element.

Dans la suite de la description, des éléments présentant une structure identique ou des fonctions analogues seront désignés par des mêmes références.In the remainder of the description, elements having an identical structure or similar functions will be designated by the same references.

On a représenté sur la figure 1, un exemple de réalisation d'un réceptacle 10, appelé aussi étui, d'un produit cosmétique 10.We represented on the figure 1 , an example of a receptacle 10, also called a case, for a cosmetic product 10.

Dans l'exemple de réalisation, le produit cosmétique est un bâton 12 de produit cosmétique et plus particulièrement, le bâton 12 de produit cosmétique est un bâton de rouge à lèvres destiné à être appliqué par frottement, en variante un baume de soin labial.In the exemplary embodiment, the cosmetic product is a stick 12 of cosmetic product and more particularly, the stick 12 of cosmetic product is a stick of lipstick intended to be applied by rubbing, alternatively a lip care balm.

Le réceptacle 10 comprend au moins un capot 14 qui est associé à une base 16 d'actionnement présentant une forme complémentaire, la base 16 et le capot 14 définissant ensemble un contour externe du réceptacle 10.The receptacle 10 comprises at least one cover 14 which is associated with an actuation base 16 having a complementary shape, the base 16 and the cover 14 together defining an external contour of the receptacle 10.

Le réceptacle 10 comporte en outre un mécanisme 20 pour la distribution du bâton 12 de produit cosmétique.The receptacle 10 further comprises a mechanism 20 for dispensing the stick 12 of cosmetic product.

De manière non limitative, le capot 14, la base 16 du réceptacle 10 et le mécanisme 20 présentent une forme cylindrique de section circulaire.In a non-limiting manner, the cover 14, the base 16 of the receptacle 10 and the mechanism 20 have a cylindrical shape of circular section.

De préférence, le capot 14 est amovible. Le capot 14 est susceptible d'occuper au moins une position d'ouverture dans laquelle le capot 14 est séparé de la base 16 en vue notamment de permettre l'application du produit cosmétique et une position de fermeture dans laquelle le capot 14 est solidaire de la base 16 (figure 1).Preferably, the cover 14 is removable. The cover 14 is capable of occupying at least one open position in which the cover 14 is separated from the base 16 with a view in particular to allowing the application of the cosmetic product and a closed position in which the cover 14 is integral with base 16 ( figure 1 ).

La partie inférieure du capot 14 comprend à l'intérieur au moins un bourrelet 18 annulaire qui est destiné à coopérer avec une surface cylindrique externe du mécanisme 20.The lower part of the cover 14 comprises inside at least one annular bead 18 which is intended to cooperate with an external cylindrical surface of the mechanism 20.

Avantageusement, le bourrelet 18 annulaire assure le maintien du capot 14 en position de fermeture et participe à l'obtention d'une fermeture étanche à l'air afin de garantir une bonne conservation du bâton 12 de produit cosmétique, en cours d'utilisation du mécanisme 20.Advantageously, the annular bead 18 ensures that the cover 14 is maintained in the closed position and contributes to obtaining an airtight closure in order to guarantee good conservation of the stick 12 of cosmetic product, during use of the mechanism 20.

Le capot 14 comprend un bord 19 inférieur qui est susceptible de venir en butée contre un bord supérieur 17 de la base 16 d'actionnement en position de fermeture.The cover 14 comprises a lower edge 19 which is capable of abutting against an upper edge 17 of the actuation base 16 in the closed position.

Dans un mode de réalisation, non représenté, la base 16 peut comprendre un épaulement qui s'étend radialement au niveau du raccordement de la partie supérieure de la base 16 avec une partie inférieure de plus grand diamètre. Le bord inférieur du capot 14 est alors susceptible de venir en butée contre ledit épaulement en position de fermeture.In one embodiment, not shown, the base 16 may comprise a shoulder which extends radially at the level of the connection of the upper part of the base 16 with a lower part of larger diameter. The lower edge of the cover 14 is then likely to abut against said shoulder in the closed position.

Un exemple de réalisation du mécanisme 20 est illustré à la figure 2.An exemplary embodiment of the mechanism 20 is illustrated in figure 2 .

Le mécanisme 20 présente un axe principal qui s'étend selon la direction axiale, confondu avec l'axe A principal du réceptacle 10.The mechanism 20 has a main axis which extends in the axial direction, merging with the main axis A of the receptacle 10.

Le mécanisme 20 est destinée à être montée amovible ou non sur une base 16 d'actionnement, par exemple la base 16 d'actionnement du réceptacle 10 pour produit cosmétique décrit ci-dessus.The mechanism 20 is intended to be mounted removable or not on an actuation base 16, for example the actuation base 16 of the receptacle 10 for cosmetic product described above.

Dans le cas d'un mécanisme 20 amovible, celui-ci est destiné à pouvoir être changé, notamment mais non exclusivement après l'utilisation complète du bâton 12 de produit cosmétique.In the case of a removable mechanism 20, this is intended to be able to be changed, in particular but not exclusively after the complete use of the stick 12 of cosmetic product.

Le mécanisme 20 et son mécanisme d'entrée et/ou de sortie du bâton 12 de produit cosmétique décrits ci-dessous ne sont donnés qu'à titre d'exemple non limitatif.The mechanism 20 and its entry and/or exit mechanism of the cosmetic product stick 12 described below are given only by way of non-limiting example.

Dans l'exemple de réalisation, le mécanisme 20 comprend un guide 22 interne dont la mise en rotation par rapport à une gaine 24 externe provoque un mouvement axial d'une cupule 26 portant le bâton 12 de produit cosmétique permettant une entrée et/ou une sortie du bâton 12 de produit cosmétique. Autrement dit, le guide 22 est monté en rotation dans la gaine 24. La cupule 26 est montée dans le guide 22.In the exemplary embodiment, the mechanism 20 comprises an internal guide 22 whose rotation relative to an external sheath 24 causes an axial movement of a cup 26 carrying the stick 12 of cosmetic product allowing entry and/or a exit of the stick 12 of cosmetic product. In other words, the guide 22 is mounted in rotation in the sheath 24. The cup 26 is mounted in the guide 22.

La cupule 26 comprend au moins un ergot (non visible), de préférence deux ergots diamétralement opposés.The cup 26 comprises at least one lug (not visible), preferably two diametrically opposed lugs.

Les ergots coopèrent respectivement avec des glissières 25 du guide 22, lesdites glissières 25 s'étendant axialement de manière rectiligne. Chaque glissière 25 comprend avantageusement, à chacune de ses extrémités supérieure et inférieure, une échancrure angulaire 25a formant une butée de fin de course pour les ergots de la cupule 26.The lugs cooperate respectively with slides 25 of the guide 22, said slides 25 extending axially in a rectilinear manner. Each slide 25 advantageously comprises, at each of its upper and lower ends, an angular notch 25a forming an end stop for the lugs of the cup 26.

La gaine 24 entoure le guide 22. La gaine 24 comprend intérieurement deux rainures 27 hélicoïdales avec lesquelles coopèrent respectivement l'extrémité libre des ergots, chaque ergot traversant radialement la glissière 25 associée du guide 22 pour s'engager dans une rainure 27.The sheath 24 surrounds the guide 22. The sheath 24 internally comprises two helical grooves 27 with which the free end of the lugs cooperate respectively, each lug passing radially through the associated slide 25 of the guide 22 to engage in a groove 27.

Le mécanisme 20 comprend encore ici une enveloppe 28, appelée aussi manchon ou encore chemise. L'enveloppe 28 entoure la gaine 24.The mechanism 20 here again comprises an envelope 28, also called a sleeve or even a shirt. The envelope 28 surrounds the sheath 24.

Selon l'invention, l'enveloppe 28 et la gaine 24 sont en matière plastique.According to the invention, the envelope 28 and the sheath 24 are made of plastic.

La matière plastique de l'enveloppe 28 et la matière plastique de la gaine 24 peuvent être choisies parmi le polypropylène et/ou le polyéthylène téréphtalate. L'enveloppe 28 et la gaine 24 peuvent être dans la même matière plastique ou dans deux matières plastiques différentes. De préférence, l'enveloppe 28 et la gaine 24 sont dans la même matière plastique.The plastic material of the envelope 28 and the plastic material of the sheath 24 can be chosen from polypropylene and/or polyethylene terephthalate. The envelope 28 and the sheath 24 can be in the same plastic material or in two different plastic materials. Preferably, the envelope 28 and the sheath 24 are made of the same plastic material.

De façon avantageuse, la cupule 26 et/ou le guide 22 sont aussi prévues en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate.Advantageously, the cup 26 and/or the guide 22 are also provided in plastic material chosen from polypropylene and/or polyethylene terephthalate.

Ainsi, de façon avantageuse, toutes les pièces du mécanisme 20 sont en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate.Thus, advantageously, all the parts of the mechanism 20 are made of plastic material chosen from polypropylene and/or polyethylene terephthalate.

Les pièces en matière plastique peuvent être facilement obtenues par injection et conduisent à un mécanisme 20 léger.The plastic parts can be easily obtained by injection and lead to a lightweight mechanism.

De plus, les matières plastiques peuvent être teintées garantissant ainsi la qualité esthétique.In addition, plastic materials can be tinted, thus guaranteeing aesthetic quality.

Par ailleurs, l'utilisation de matières plastiques, en particulier de matières plastiques similaires pour l'ensemble du mécanisme 20 permet de faciliter le recyclage. En particulier, le polypropylène et le polyéthylène téréphtalate sont deux matières plastiques dont le cycle de recyclage est bien connu.Furthermore, the use of plastic materials, in particular similar plastic materials for the entire mechanism 20 makes recycling easier. In particular, polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.

De façon avantageuse, le capot 14 et/ou la base 16 sont aussi en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate. Le capot 14 et la base 16 peuvent être dans la même matière plastique ou dans deux matières plastiques différentes. De préférence, le capot 14 et la base 16 sont dans la même matière plastique.Advantageously, the cover 14 and/or the base 16 are also made of plastic material chosen from polypropylene and/or polyethylene terephthalate. The cover 14 and the base 16 can be in the same plastic material or in two different plastic materials. Preferably, the cover 14 and the base 16 are made of the same plastic material.

De façon avantageuse, l'ensemble du réceptacle 10 c'est-à-dire l'ensemble du mécanisme 20, ainsi que le capot 14 et la base 16 sont en matière plastique choisie parmi le polypropylène et/ou le polyéthylène téréphtalate, notamment dans la même matière plastique.Advantageously, the entire receptacle 10, that is to say the entire mechanism 20, as well as the cover 14 and the base 16 are made of plastic material chosen from polypropylene and/or polyethylene terephthalate, particularly in the same plastic material.

Là encore, l'utilisation de matières plastiques, en particulier de matières plastiques similaires pour l'ensemble du réceptacle 10 permet de faciliter l'obtention des pièces qui peuvent être facilement obtenues par injection et conduisent à un réceptacle 10 léger.Here again, the use of plastic materials, in particular similar plastic materials for the entire receptacle 10 makes it easier to obtain parts which can be easily obtained by injection and lead to a light receptacle 10.

De plus, les matières plastiques peuvent être teintées et garantissent ainsi une qualité esthétique.In addition, plastic materials can be tinted and thus guarantee aesthetic quality.

Par ailleurs, l'utilisation de matières plastiques, en particulier de matières plastiques similaires pour l'ensemble du mécanisme 20 permet de faciliter le recyclage. En particulier, le polypropylène et le polyéthylène téréphtalate sont deux matières plastiques dont le cycle de recyclage est bien connu.Furthermore, the use of plastic materials, in particular similar plastic materials for the entire mechanism 20 makes recycling easier. In particular, polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.

Le guide 22 comprend une molette 30. La molette 30 est située axialement à l'extrémité inférieure du guide 22.The guide 22 includes a wheel 30. The wheel 30 is located axially at the lower end of the guide 22.

La molette 30 est destinée à permettre la mise en rotation du guide 22 provoquant, selon le sens de rotation, un mouvement axial de montée ou de descente de la cupule 26 et ce faisant du bâton 12 de produit cosmétique. Dans ce mode de réalisation, la molette 30 est une pièce distincte rapportée à fixation sur le guide 22. En variante, la molette 30 est réalisée venue de matière, en une seule pièce, avec le guide 22 du mécanisme 20The wheel 30 is intended to allow the rotation of the guide 22 causing, depending on the direction of rotation, an axial upward or downward movement of the cup 26 and thus of the stick 12 of cosmetic product. In this embodiment, the wheel 30 is a separate part attached to the guide 22. Alternatively, the wheel 30 is made integrally, in a single piece, with the guide 22 of the mechanism 20

Dans un tel réceptacle 10, la molette 30 du mécanisme 20 est actionnée, après avoir préalablement ôté le capot 14, par l'intermédiaire de la base 16.In such a receptacle 10, the wheel 30 of the mechanism 20 is actuated, after having previously removed the cover 14, via the base 16.

Dans une variante de réalisation, l'enveloppe 28 et/ou la gaine 24 sont prolongées axialement au-delà de la molette, ceci afin d'empêcher ou à tout le moins de rendre difficile l'accès à ladite molette 30. Une telle configuration permet de limiter l'actionnement du mécanisme 20 par un utilisateur avant même que ledit mécanisme 20 ait été associé à la base 16 correspondante.In a variant embodiment, the envelope 28 and/or the sheath 24 are extended axially beyond the wheel, this in order to prevent or at least make difficult access to said wheel 30. Such a configuration makes it possible to limit the actuation of the mechanism 20 by a user even before said mechanism 20 has been associated with the corresponding base 16.

Par conséquent, la molette 30 et la base 16 doivent d'une part être reliées axialement ensemble et, d'autre part, être liées en rotation pour assurer la transmission à la molette 30 du mécanisme 20 de tout mouvement de rotation appliqué à la base 16.Consequently, the wheel 30 and the base 16 must on the one hand be axially connected together and, on the other hand, be linked in rotation to ensure the transmission to the wheel 30 of the mechanism 20 of any rotational movement applied to the base 16.

Pour cela la base 16 d'actionnement comprend des moyens de fixation pour lier axialement la base 16 d'actionnement avec la molette 30 du mécanisme 20. Les moyens de fixation comportent quatre pattes 32 qui s'étendent axialement vers le haut à partir d'une partie basse de la base 16 d'actionnement.For this, the actuation base 16 comprises fixing means for axially linking the actuation base 16 with the wheel 30 of the mechanism 20. The fixing means comprise four tabs 32 which extend axially upwards from a lower part of the actuation base 16.

Les quatre pattes 32 de la base 16 d'actionnement sont réparties angulairement de manière régulière, soit à 90°. Les pattes 32 sont insérées dans un orifice complémentaire qui est ménagé centralement dans la molette 30 du mécanisme 20. Avantageusement les pattes 32 sont flexibles.The four legs 32 of the actuation base 16 are angularly distributed in a regular manner, i.e. at 90°. The tabs 32 are inserted into a complementary orifice which is provided centrally in the wheel 30 of the mechanism 20. Advantageously the tabs 32 are flexible.

L'extrémité libre de chaque patte 32 est configurée pour former un crochet 34 qui vient coopérer avec un bord 36 supérieur de l'orifice de la molette 30 afin de bloquer axialement la base 16 d'actionnement.The free end of each tab 32 is configured to form a hook 34 which cooperates with an upper edge 36 of the orifice of the wheel 30 in order to axially block the actuation base 16.

Les pattes 32 de fixation permettent de lier axialement la base 16 d'actionnement à la molette 30 du mécanisme 20.The fixing tabs 32 make it possible to axially connect the actuation base 16 to the wheel 30 of the mechanism 20.

Le blocage en rotation de la molette 30 et de la base est réalisé par un crantage complémentaire de la molette 30 et des pattes 32, c'est-à-dire un ensemble de stries 38 qui s'étendent axialement, parallèlement les unes aux autres sur une surface interne de de la molette 30 et sur la surface externe des pattes 32 de la base 16.The rotation of the wheel 30 and the base is blocked by complementary notching of the wheel 30 and the tabs 32, that is to say a set of grooves 38 which extend axially, parallel to each other. on an internal surface of the wheel 30 and on the external surface of the legs 32 of the base 16.

Dans un tel mécanisme 20, l'enveloppe 28 et la gaine 24 sont solidaires en rotation et en translation.In such a mechanism 20, the envelope 28 and the sheath 24 are integral in rotation and in translation.

Pour cela, l'enveloppe 28 est en outre maintenue sur la gaine 24 par l'intermédiaire d'au moins une surépaisseur 50 de matière située entre la gaine 24 et l'enveloppe 28 de manière à ce que la gaine 24 et l'enveloppe 28 soient solidaires au moins en translation.For this, the envelope 28 is also held on the sheath 24 by means of at least one extra thickness 50 of material located between the sheath 24 and the envelope 28 so that the sheath 24 and the envelope 28 are united at least in translation.

En d'autres termes, la surépaisseur 50 de matière assure un montage en force de l'enveloppe 28 autour de la gaine 24 permettant d'améliorer leur maintien, notamment à l'arrachement et à la rotation l'une par rapport à l'autre. Par ailleurs l'utilisation d'une surépaisseur 50 de matière entre l'enveloppe 28 et la gaine 24, autrement dit dans une zone interne du mécanisme 20 permet de conserver un bon esthétique visuel du mécanisme 20.In other words, the extra thickness 50 of material ensures a forceful assembly of the envelope 28 around the sheath 24 making it possible to improve their maintenance, in particular upon tearing and rotation relative to the other. Furthermore, the use of an extra thickness 50 of material between the envelope 28 and the sheath 24, in other words in an internal zone of the mechanism 20, makes it possible to maintain a good visual aesthetic of the mechanism 20.

Ainsi, la surépaisseur 50 de matière peut être située sur une surface interne 52 de l'enveloppe 28 (mode de réalisation représenté ici) ou sur la surface externe 46 de la gaine 24 (non représenté) ou encore sur la surface interne 52 de l'enveloppe 28 et sur la surface externe 46 de la gaine 24 (non représenté). Il peut s'agir par exemple, d'une surépaisseur 50 unique. De façon avantageuse, il s'agit dans ce cas, par exemple d'une surépaisseur 50 qui s'étend sur tout le pourtour de la surface interne 52 de l'enveloppe 28 et/ ou de la surface externe 46 de la gaine 24, tel qu'un bourrelet.Thus, the extra thickness 50 of material can be located on an internal surface 52 of the envelope 28 (embodiment shown here) or on the external surface 46 of the sheath 24 (not shown) or even on the internal surface 52 of the envelope 28 and on the external surface 46 of the sheath 24 (not shown). It may be, for example, a single extra thickness 50. Advantageously, in this case it is, for example, an extra thickness 50 which extends over the entire periphery of the internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24, such as a bead.

Le mécanisme 20 peut aussi comprendre une pluralité de surépaisseurs 50 de matière réparties sur la surface interne 52 de l'enveloppe 28 et/ou sur la surface externe 46 de la gaine 24.The mechanism 20 can also include a plurality of extra thicknesses 50 of material distributed on the internal surface 52 of the envelope 28 and/or on the external surface 46 of the sheath 24.

Les surépaisseurs 50 de matières peuvent être des points discrets répartis sur toute la surface interne 52 de l'enveloppe 28 et/ou de la surface externe 46 de la gaine 24.The extra thicknesses 50 of materials can be discrete points distributed over the entire internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24.

Les surépaisseurs 50 de matière peuvent encore être des points discrets répartis sur tout le pourtour de la surface interne 52 de l'enveloppe 28 et/ou de la surface externe 46 de la gaine 24, de manière à former par exemple un bourrelet discontinu.The extra thicknesses 50 of material can also be discrete points distributed over the entire periphery of the internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24, so as to form, for example, a discontinuous bead.

Il peut aussi s'agir de surépaisseurs 50 s'étendant sur tout le pourtour de la surface interne 52 de l'enveloppe 28 et/ ou de la surface externe 46 de la gaine 24, tel que des bourrelets.It may also be extra thicknesses 50 extending over the entire periphery of the internal surface 52 of the envelope 28 and/or the external surface 46 of the sheath 24, such as beads.

Dans le mode de réalisation représenté ici, la au moins une surépaisseur 50 de matière est deux bourrelets 50 de matière agencés sur le pourtour de la surface interne 52 de l'enveloppe 28 au niveau de la portion inférieure de l'enveloppe 28 et de la gaine 24 où se trouve deux points d'assemblage 40 mentionnés ci-dessous.In the embodiment shown here, the at least one extra thickness 50 of material is two beads 50 of material arranged around the periphery of the internal surface 52 of the envelope 28 at the level of the lower portion of the envelope 28 and the sheath 24 where there are two assembly points 40 mentioned below.

Dans le mode de réalisation représenté ici, l'enveloppe 28 et la gaine 24 étant toutes les deux en matière plastique, elles sont en outre fusionnées en au moins un point, dit point d'assemblage 40, de manière à être solidaires en rotation et en translation.In the embodiment shown here, the envelope 28 and the sheath 24 both being made of plastic material, they are also fused at at least one point, called assembly point 40, so as to be integral in rotation and in translation.

L'enveloppe et la gaine jusque-là deux pièces distinctes ne forment plus qu'une seule pièce unique et sont reliées, unies de manière définitive au niveau du au moins un point d'assemblage. Cela est notamment permis par un mélange des matières plastiques de l'enveloppe et de la gaine au niveau du point d'assemblage.The envelope and the sheath, previously two separate pieces, now form only one single piece and are connected, permanently united at at least one assembly point. This is made possible in particular by mixing the plastic materials of the envelope and the sheath at the assembly point.

De façon avantageuse, dans le mode de réalisation représenté ici, le mécanisme 20 comprend deux points d'assemblage 40 diamétralement opposés.Advantageously, in the embodiment shown here, the mechanism 20 comprises two diametrically opposed assembly points 40.

Les deux points d'assemblage 40 sont agencés sur une portion inférieure de l'enveloppe 28 et de la gaine 24 opposée à une portion supérieure comprenant une ouverture 42 par laquelle le produit cosmétique peut sortir.The two assembly points 40 are arranged on a lower portion of the envelope 28 and the sheath 24 opposite an upper portion comprising an opening 42 through which the cosmetic product can exit.

Ainsi, les deux points d'assemblage 40 sont visibles sur une surface externe 44 de l'enveloppe 28.Thus, the two assembly points 40 are visible on an external surface 44 of the envelope 28.

Notamment, dans le mode de réalisation représenté ici, chacun des points d'assemblage 40 est disposé à la fois sur la surface externe 44 de l'enveloppe 28 et sur une surface externe 46 de la gaine 24.In particular, in the embodiment shown here, each of the assembly points 40 is arranged both on the external surface 44 of the envelope 28 and on an external surface 46 of the sheath 24.

Le point d'assemblage 40 est sous la forme d'un triangle en creux ayant un sommet 48 supérieur (c'est-à-dire un sommet dirigé vers la portion supérieure comprenant l'ouverture) arrondi.The assembly point 40 is in the form of a hollow triangle having a rounded upper vertex 48 (that is to say a vertex directed towards the upper portion comprising the opening).

De façon avantageuse, le au moins un point d'assemblage 40 est obtenu par un procédé d'obtention comprenant une étape dans laquelle le au moins un point d'assemblage 40 est obtenu par soudage, tel que par exemple un poinçonnage thermique.Advantageously, the at least one assembly point 40 is obtained by a method of obtaining it comprising a step in which the at least one assembly point 40 is obtained by welding, such as for example thermal punching.

Le poinçonnage thermique peut être obtenu par l'application, la frappe d'au moins un poinçon régulé thermiquement sur les surfaces externe et/ou interne de l'enveloppe 28 et/ou de la gaine 24. Le temps d'application du/des poinçon(s) est défini en fonction de la taille du mécanisme 20, du type de matière plastique, de l'épaisseur de l'enveloppe 28 et/ou de la gaine 24, du niveau final de fusion entre l'enveloppe 28 et la gaine 24 souhaité.Thermal punching can be obtained by applying, striking at least one thermally regulated punch on the external and/or internal surfaces of the envelope 28 and/or the sheath 24. The application time of the(s) punch(s) is defined as a function of the size of the mechanism 20, the type of plastic material, the thickness of the envelope 28 and/or the sheath 24, the final level of fusion between the envelope 28 and the sheath 24 desired.

Pour obtenir le mode de réalisation représenté, deux poinçons diamétralement opposés en forme de triangle ont été frappés sur les surfaces externes 44, 46 de l'enveloppe 28 et de la gaine 24.To obtain the embodiment shown, two diametrically opposed triangle-shaped punches were struck on the external surfaces 44, 46 of the envelope 28 and the sheath 24.

Ainsi, l'enveloppe 28 et la gaine 24 sont fusionnées par chauffage et pression d'une zone formant le point d'assemblage 40. Autrement dit, dans cette zone, les matières plastiques de l'enveloppe 28 et de la gaine 24 fondent sous la chaleur et se mélangent pour former le point d'assemblage 40, en particulier une fois la zone refroidie. La pression exercée lors du poinçonnage permet de créer une marque formant le point d'assemblage 40.Thus, the envelope 28 and the sheath 24 are fused by heating and pressure of a zone forming the assembly point 40. In other words, in this zone, the plastic materials of the envelope 28 and the sheath 24 melt under heat and mix to form the assembly point 40, particularly once the area has cooled. The pressure exerted during punching makes it possible to create a mark forming the assembly point 40.

La fusion de l'enveloppe 28 et de la gaine 24 peut être détectée par un mélange des matières de la gaine 24 et de l'enveloppe 28.The fusion of the envelope 28 and the sheath 24 can be detected by a mixture of the materials of the sheath 24 and the envelope 28.

Dans le cas d'une enveloppe 28 et d'une gaine 24 de couleurs différentes, le point d'assemblage 40 peut présenter une différence de teinte par rapport au reste de l'enveloppe 28 et de la gaine 24 due au mélange des deux matières plastiques. Le point d'assemblage 40 est ainsi visualisable. Ce changement de teinte est particulièrement visible lorsque le point d'assemblage 40 est situé sur les surfaces externes 44, 46 de l'enveloppe 28 et de la gaine 24. Cette différence de teinte est notamment visible dans la zone de l'enveloppe 28 adjacente à la gaine 24 et dans la zone de la gaine 24 adjacente à l'enveloppe 28.In the case of an envelope 28 and a sheath 24 of different colors, the assembly point 40 may present a difference in color compared to the rest of the envelope 28 and the sheath 24 due to the mixture of the two materials plastics. The assembly point 40 can thus be visualized. This change in color is particularly visible when the assembly point 40 is located on the external surfaces 44, 46 of the envelope 28 and the sheath 24. This difference in color is particularly visible in the area of the adjacent envelope 28 to the sheath 24 and in the area of the sheath 24 adjacent to the envelope 28.

Le point d'assemblage 40 est aussi visualisable par une marque en forme de creux laissée par le poinçonnage à la surface externe 44 de l'enveloppe 28 et/ou à la surface externe 46 de la gaine 24.The assembly point 40 can also be visualized by a hollow-shaped mark left by the punching on the external surface 44 of the envelope 28 and/or on the external surface 46 of the sheath 24.

De façon avantageuse, le au moins un point d'assemblage 40 peut représenter un motif, tel qu'un logo, une lettre, un texte, ou tout autre motif adéquat. Dans le cas d'une pluralité de points d'assemblage 40, ceux-ci peuvent être répartis sur le pourtour de l'enveloppe 28, comme cela est représenté ici avec deux points d'assemblage 40.Advantageously, the at least one assembly point 40 can represent a pattern, such as a logo, a letter, a text, or any other suitable pattern. In the case of a plurality of assembly points 40, these can be distributed around the periphery of the envelope 28, as shown here with two assembly points 40.

Les points d'assemblage 40 peuvent aussi être répartis sur toute la hauteur de l'enveloppe 28 (non représenté).The assembly points 40 can also be distributed over the entire height of the envelope 28 (not shown).

La répartition peut être régulière ou aléatoire.The distribution can be regular or random.

Dans un autre mode de réalisation non représenté, le mécanisme 20 peut aussi comprendre un point d'assemblage 40 unique.In another embodiment not shown, the mechanism 20 can also include a single assembly point 40.

Contrairement aux techniques connues, telles que le serrage ou le collage, la présence d'une surépaisseur entre l'enveloppe et la gaine et/ou la fusion entre ces deux pièces permet une liaison entre l'enveloppe et la gaine qui soit avantageusement simple, fiable et économique.Unlike known techniques, such as tightening or gluing, the presence of an extra thickness between the envelope and the sheath and/or the fusion between these two parts allows a connection between the envelope and the sheath which is advantageously simple, reliable and economical.

En effet, l'assemblage des deux pièces peut se faire par serrage mais très souvent cela n'est pas suffisant, notamment au niveau de la liaison axiale.Indeed, the assembly of the two parts can be done by tightening but very often this is not sufficient, particularly at the level of the axial connection.

Une autre solution pour assembler les deux pièces est la technique du collage. Cependant, l'utilisation de colle lorsque les deux pièces sont assemblées par collage, induit des risques de pollution du produit cosmétique par la colle dont il est difficile de maîtriser avec une grande précision la quantité et la répartition lors de l'assemblage.Another solution for assembling the two pieces is the gluing technique. However, the use of glue when the two parts are assembled by gluing creates risks of pollution of the cosmetic product by the glue, the quantity and distribution of which is difficult to control with great precision during assembly.

Claims (12)

  1. Mechanism (20) for a container for applying a cosmetic product (12), the mechanism being designed to cause the cosmetic product (12) to exit by at least one rotation movement, said mechanism comprising at least:
    - a sheath (24) internally comprising at least one helical groove (27);
    - a guide (22) rotatably mounted in the sheath (24);
    - a cup (26) carrying the cosmetic product (12), said cup being mounted in the guide (22);
    - an outer envelope (28) surrounding the sheath (24);
    the sheath (24) and the envelope (28) being integral in rotation and in translation, and made of a plastic material selected from among polypropylene and/or polyethylene terephthalate.
  2. Mechanism according to the preceding claim, wherein the envelope (28) is held on the sheath (24) by way of at least one thickened portion (50) of material located between the sheath (24) and the envelope (28) such that the sheath (24) and the envelope (28) are integral at least in translation.
  3. Mechanism according to the preceding claim, wherein the at least one thickened portion (50) of material ensures a force fitting of the envelope (28) around the sheath (24).
  4. Mechanism according to the preceding claim, wherein the at least one thickened portion (50) of material is located on an inner surface (52) of the envelope (28) and/or on an outer surface (46) of the sheath (24).
  5. Mechanism according to the preceding claim, wherein the mechanism comprises a plurality of thickened portion (50) of material distributed over the inner surface (52) of the envelope (28) and/or over the outer surface (46) of the sheath (24).
  6. Mechanism according to any one of claims 4 or 5, wherein the at least one thickened portion (50) of material is a bead of material arranged over the perimeter of the inner surface (52) of the envelope (28) and/or of the outer surface (46) of the sheath (24).
  7. Mechanism according to claim 6, wherein the at least one thickened portion (50) of material is two beads of material arranged over the perimeter of the inner surface (52) of the envelope (28).
  8. Mechanism according to any one of the preceding claims, wherein the at least one thickened portion (50) of material is arranged on a lower portion of the envelope (28) and/or of the sheath (24) opposite an upper portion comprising an opening (42) through which the cosmetic product can exit.
  9. Mechanism according to any one of the preceding claims, wherein the cup (26) is made of plastic material selected from polypropylene and/or polyethylene terephthalate.
  10. Mechanism according to any one of the preceding claims, wherein the envelope (28) and the sheath (24) are combined in at least one point, referred to as assembly point (40), so as to be integral in rotation and in translation.
  11. Container (10) for applying a cosmetic product comprising a cap (14), an actuation base (16) which comprises a mechanism (20) according to any one of the preceding claims, the actuation base (16) enabling an entry and/or an exit of the cosmetic product (12).
  12. Application container according to the preceding claim, wherein the cap (14) is made of plastic material selected from polypropylene and/or polyethylene terephthalate and/or the base (16) is made of plastic material selected from polypropylene and/or polyethylene terephthalate.
EP21167548.3A 2020-04-17 2021-04-09 Mechanism for a container for applying a cosmetic product and container comprising such a mechanism Active EP3895579B1 (en)

Applications Claiming Priority (1)

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FR2003876A FR3109285B1 (en) 2020-04-17 2020-04-17 Mechanism for a receptacle for applying a cosmetic product and receptacle comprising such a mechanism

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EP3895579A1 EP3895579A1 (en) 2021-10-20
EP3895579B1 true EP3895579B1 (en) 2024-01-17

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EP (1) EP3895579B1 (en)
CN (1) CN113520021A (en)
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US20210321746A1 (en) 2021-10-21
US20240292936A1 (en) 2024-09-05
CN113520021A (en) 2021-10-22
FR3109285A1 (en) 2021-10-22
US12022931B2 (en) 2024-07-02
FR3109285B1 (en) 2024-03-29
EP3895579A1 (en) 2021-10-20

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