FR3034661A1 - LYMPHATIC DRAINAGE DEVICE AND ASSOCIATED METHOD - Google Patents

Abstract

A lymphatic drainage device (1) for application to a user's body surface (36) comprising: - an applicator (5) comprising a support (19) and a rolling member (21), rotatably mounted on the support (19) about at least one axis of rotation and configured to roll on the application surface (36) in a rolling direction. The applicator (5) further comprises a locking member (35), deformable between an application configuration, away from the rolling member (21), and a locking configuration, in contact with the rolling member (21), the locking member (35) preventing, in the lock configuration, the rolling of the rolling member (21) on the application surface (36) in a direction (R ') opposite to the rolling direction.

Description

The present invention relates to a lymphatic drainage device intended to be applied to a body surface of a user's application, comprising an applicator comprising a support and a rolling member, rotatably mounted on the support around at least one axis of rotation and configured to roll on the application surface in a rolling direction. Such a device is intended for lymphatic drainage of a body area of the user, including the drainage of the stagnant lymph under the eyes of the user.

For example, FR 2 999 075, FR 2 909 866 or FR 2 717 378 are known for facial massage devices comprising a rolling member mounted on a support and free to roll on the face of the user according to a plurality of devices. directions. Such devices are unsatisfactory with regard to lymphatic drainage. Indeed, they allow the user to go back and forth on the skin during the massage. However, an effective evacuation of the lymph requires a massage in one direction. For example, for the elimination of stagnant lymph in bags under the eyes, the massage must be from the inside to the outside of the eye only. However, the typical user, not necessarily knowing this principle, will tend to use known devices in all possible directions of movement, not only in one direction. It will not get a proper drainage of the lymph. An object of the invention is to provide a simple drainage device and inexpensive to manufacture, and facilitating the implementation of a proper gesture of lymphatic drainage.

For this purpose, the invention relates to a drainage device as defined above, wherein the applicator further comprises a locking member, deformable between an application configuration, away from the rolling member , and a locking configuration, in contact with the rolling member, the locking member preventing, in the locking configuration, the rolling of the rolling member on the application surface in a direction opposite to the direction rolling. The drainage device according to the invention may also comprise one or more of the following characteristics, taken separately or in any combination (s) technically possible (s): - the locking member is configured to to deform to its blocking configuration when the rolling member is rolled on the application surface in the direction opposite to the rolling direction and the locking member occupies its application configuration when the member rolling is rolled on the application surface according to the rolling direction; the locking member is configured to be at least partially applied against the rolling member in the locking configuration so as to block the rolling of the rolling member in the direction opposite to the rolling direction; the blocking member comprises a locking tab made of an elastically deformable material, in particular an elastomeric material or a silicone material, said locking tongue being deformable between the application configuration and the blocking configuration; - The locking tongue is disposed at the rear of the rolling member according to the rolling direction; - The locking tongue comprises an end connected to the support and a free end, opposite to the bonded end; In the locking configuration, the locking tongue is wound on the rolling member, the free end of the locking tongue being applied against the rolling member; in the application configuration, the free end of the locking tongue extends away from the rolling member, behind it; The rolling member comprises a portion projecting in the direction of the application surface with respect to a plane passing through the connected end of the locking tongue, and the locking tongue having a height, taken between the free end and the bonded end such that it is able to be applied against the rolling member over a length at least equal to half the circumference of its projecting portion; The rolling member comprises a roller; - The rolling member has a smooth outer surface; - The rolling member comprises reliefs on its outer surface; - The device further comprises a container for containing a cosmetic product to be applied to the user's body surface application.

The invention also relates to a lymphatic drainage method comprising: providing a device as defined above; and - the rolling movement of the rolling member on a body surface of the user application according to the rolling direction.

The invention also relates to a method for lymphatic drainage and to the application of a cosmetic product to a body surface of a user, comprising: providing a device as defined above, the container containing a cosmetic product to be applied; and applying the cosmetic product to the body surface of application by rolling the rolling member on this body surface in the direction of travel. The invention will be better understood on reading the description which will follow, given solely by way of example, and with reference to the appended drawings, in which: FIG. 1 is a perspective view of an applicator; according to a first embodiment of the invention, the rolling member having been removed; - Figure 2 is a sectional view along a plane A-A of a drainage device 15 containing the applicator of Figure 1; - Figure 3 is a sectional view along a plane B-B of the drainage device of Figure 2; - Figures 4 to 6 are schematic views illustrating the principle of operation of the drainage device according to the invention; Figures 7 to 12 are schematic cross-sectional views of various rolling members; and - Figures 13 and 14 are schematic top views of different rolling members. Throughout the description, the front and rear terms are used in reference to the rolling direction R of the running member on the user's body surface of application. Figures 1 to 3 illustrate a lymphatic drainage device 1 according to a first embodiment of the invention. The lymphatic drainage device 1 extends along an axis of elongation L 30 shown vertically in FIGS. 1 to 3. It is intended for lymphatic drainage of a body area of application of the user, and in particular for the drainage of the stagnant lymph under the eyes of the user. In the example shown in FIGS. 1 to 3, the device 1 comprises a container 3 intended to contain a cosmetic product and an applicator 5.

The cosmetic product is intended to be applied to an application surface, in particular to a body surface of the user. In particular, it is intended to be applied to the face, and more particularly below the eyes. Alternatively, it is applied to any other area of the body, in which it is desired to achieve lymphatic drainage, especially on the legs of the user. The cosmetic product is for example a cosmetic makeup or care product, for example a care cream, a tinted cream, a moisturizing product, an anticellulite composition or a heavy anti-leg composition. More generally, the cosmetic product is a product as defined in Regulation EC No. 1223/2009 of the European Parliament and of the Council, dated November 30, 2003, relating to cosmetic products.

The container 3 is for example a tube, a bottle or an aerosol. It comprises, for example, a bottom 7 and a side wall 9 delimiting the interior volume of the container 3. At its end opposite the bottom 7, the container 3 comprises a neck 11 defining an opening 13 for dispensing the cosmetic product out of the container 3.

The applicator 5 is integral with the container 3. In the example shown, it is mounted on the neck 11 of the container 3. More particularly, in this example, the neck 11 is provided with securing means 15 configured to cooperate with complementary securing means 17 provided on the applicator 5 in order to fix the applicator 5 on the container 3. In the example shown, the securing means 15 comprise, for example, a thread cooperating with a complementary tapping formed on the applicator 5. However, any other suitable means of securing is possible, including a fastening by clipping. The applicator 5 comprises a support 19 and a rolling member 21 rotatably mounted on the support 19 around at least one axis of rotation.

The support 19 comprises a side wall 23. This side wall 23 comprises a lower portion 25 surrounding the neck 11 of the container 3. This lower portion 25 is provided on its inner face, complementary securing means 17 mentioned above. The support 19 further comprises a housing 27 receiving the rolling member 30 freely in rotation along the or each axis of rotation. This housing 27 is delimited laterally by an upper portion of the side wall 23 of the support 19, and inferiorly by a bottom 29. In the example shown, the bottom 29 has an upwardly concave shape of the cylinder portion. The bottom 29 of the housing 27 comprises a hole 31 for the passage of cosmetic product opening under the rolling member 21. This orifice 31 communicates with the dispensing opening 13 of the container 3.

In the example shown, the support 19 comprises an inner skirt 33 connecting the through hole 31 to the dispensing opening 13. The inner skirt 33 comprises a lower part inserted in the neck 11 of the container 3. It participates to the seal between the container 3 and the applicator 5.

Optionally, the applicator 5 further comprises a seal 34, surrounding the orifice 31, and arranged, in the longitudinal direction, between the bottom 29 and the rolling member 21. This seal 34 is for example made of an elastomeric material. The support 19 is for example formed in one piece, in particular by molding, and for example by injection molding. The support 19 is in particular made of a rigid plastic material, such as polypropylene (PP), polyoxymethylene (POM), acrylonitrile butadiene styrene (ABS) or polybutylene terephthalate (PBT). The rolling member 21 is intended to roll on an application body surface 36 of the user in a rolling direction in order to achieve lymphatic drainage in this area. In the example shown in Figures 1 to 3, it comprises a cylindrical roller rotatably mounted on the support 19 about an axis of rotation I. It has a circular cross section.

The rolling member 21 is advantageously made of a cold-touch material, for example metal or metal alloy, such as stainless steel, zamac, aluminum, or glass or enameled ceramic. The embodiment of the rolling member 21 in such a material has the advantage of activating the microcirculation and further improving the feeling felt by the user when using the drainage device 1. The applicator 5 further comprises a locking member 35 of the rolling member 21. The locking member 35 is configured to allow rolling of the rolling member 21, and thus the applicator 5, on the application surface 36 of the user 30 in a rolling direction R and to oppose the rolling of the rolling member 21 on the application surface 36 in a direction R 'opposite to the rolling direction R. Thus, the locking member 35 prevents reciprocating movements of the applicator 5 on the application surface 36. More particularly, the locking member 35 allows the rotation of the rolling member 21 relative to the support 5 in a direction S corresponding to a displacement of the applicator 5 s on the application surface 36 according to the rolling direction R and 3034661 6 opposes the rotation of the rolling member 21 relative to the support 19 in the opposite direction S ', which corresponds to a displacement of the applicator 5 according to the rolling direction R '. More particularly, the locking member 35 is deformable between a locking configuration, shown schematically in FIG. 6, and an application configuration, shown schematically in FIG. 5. The locking member 35 occupies its configuration of FIG. application when the rolling member 21 is rolled on the application surface 36 according to the rolling direction R. In the application configuration, the locking member 35 extends away from the member 10 The blocking member 35 is configured to deform to its locking configuration when the rolling member 21 is rolled onto the application surface 36 in the rolling direction R 'opposite to the rolling direction. R, the locking member 35 preventing rolling of the rolling member 21 in the direction R 'in the locking configuration. More particularly, in the locking configuration, the locking member 35 is applied against the rolling member 21 and prevents rolling of the rolling member 21 in the direction R '. The locking member 35 also has a rest configuration, shown schematically in FIG. 4, which it occupies in the absence of any stress, in particular when the rolling member 21 is not applied to any surface. In the idle configuration, the locking member 35 has no effect on the rolling member 21. In this configuration, the rolling member 21 is free to pivot about the or each axis of rotation. Preferably, the locking member 35 is integral with the support 19.

In the example shown, the locking member 35 comprises a flexible locking tab 37. The locking tongue 37 is made of an elastically deformable material. It is for example made of silicone or an elastomer, chosen for example from santoprene, styrene-butadiene-styrene (SBS), polystyrene-poly (ethylene-butylene) -polystyrene (SEBS) or Exact. The locking tab 37 is disposed at the rear of the rolling member 21 in the rolling direction R. It comprises a first end 39 connected to the support 19 and a second end 41 free, opposite the first end 39. In the example shown, the linked end 39 is disposed at the edge of the housing 27 for receiving the rolling member 21.

In the idle configuration, shown in FIG. 4, the locking tongue 37 extends substantially axially away from the support 19. It extends, for example, in the axial extension of the side wall 23 of the support 19. In this configuration, the tongue 37 is for example substantially flat. It advantageously extends in a plane containing an axis parallel to an axis of rotation of the rolling member 21. In the application configuration, shown in FIG. 5, the locking tongue 37 is flexed towards the rear , away from the rolling member 21. It is curved with a concavity oriented away from the rolling member 21. The free end 41 of the locking tongue 37 extends at a distance from the bearing member 21, at the rear thereof, bearing on the application surface 36. In the locking configuration, shown in FIG. 6, the locking tongue 37 is applied at least in part against the rolling member 21 so as to prevent the rotation of the rolling member 21 relative to the support 19 in the direction S ', corresponding to a displacement in the direction R'. It is applied against the rolling member 21 by its inner surface, oriented towards the rolling member 21. In the example shown, in the locking configuration, the locking tongue 37 is applied to the rolling member 21 over substantially its entire length. More particularly, in the locking configuration, it is wound on the rolling member 21 so that its free end 41 is applied against the rolling member 21. By "wound" is meant that the locking tongue 37 is applied on the rolling member 21 by marrying its curvature. This term does not imply that the locking tab 37 necessarily performs at least one turn of the rolling member 21 or more. Furthermore, in the locking configuration, the locking tongue 37 is jammed, by its free end 41, between the application surface 36 and the rolling member 21. This jamming of the locking tongue 37 ensures the application of the locking tongue 37 against the rolling member 21 sufficiently to allow locking of the rolling member 21. The locking tongue 37 is dimensioned so as to be applied against the rolling member 21 of the sufficiently to prevent rolling of the rolling member 21 on the application surface 36 in the direction R 'in the locking configuration. For this purpose, in the example shown, it is dimensioned so as to jam in the locking configuration between the application surface 36 and the rolling member 21 so as to be applied against the member 21 behind the jamming zone, and in particular over substantially its entire length from its end 39 connected to the wedging zone. In particular, the distance between the locking tongue 37 and the rolling member 21, as well as the length of the locking tongue 37, taken between its linked end 39 and its free end 41, are chosen so that the locking tongue 37 is adapted to adopt the locking configuration when the rolling member 21 is rolled on the application surface 36 in the direction R '. The thickness of the locking tongue 37 is chosen such that it has sufficient flexibility to allow its application on the rolling member 21 to adopt the locking configuration and its flexion away from the body 21 to adopt the application configuration. The skilled person is able to determine, depending on the material chosen for the locking tongue 37 and the diameter of the rolling member 21, the dimensions, in particular the width, the length and the thickness of the tongue of blocking 37, adapted to obtain the desired behavior, namely the deformation between the application configuration and the blocking configuration. In particular, and as illustrated schematically in FIG. 4, the height H of the locking tongue 37, taken between its linked end 39 and its free end 41, is chosen so that the locking tongue 37 is suitable for applying against the rolling member 21 a length at least equal to half the circumference of the portion 38 of the rolling member 21 projecting towards the application surface 36 from a plane N normal to the longitudinal direction L and passing through the connected end 39 of the locking tongue 37. The circumference of the portion 38 is the circumference of this portion 38, taken in section along a plane containing the direction of displacement R. The person skilled in the art is able to choose the height H of the locking tongue 37 making it possible to satisfy the above condition, in particular as a function of the distance between the connected end 39 of the locking tongue 37 and the org bearing ring 21.

Advantageously, the linked end 39 of the locking tongue 37 is disposed close to the rolling member 21. By way of example, the distance between the linked end 39 of the locking tongue 37 and the member 21 is less than or equal to 5 mm, and preferably between 0.1 mm and 3 mm. The locking tongue 37 advantageously has a height H, taken between its bonded end 39 and its free end 41, greater than or equal to half the circumference of the part 38 defined above. By way of example, the height H is between 0.8D and 1.57D, where D is the diameter of the rolling member 21. For example, the height of the locking tongue 37 is between 3 mm and 10 mm, and the diameter of the rolling member 21 is for example between 3 mm and 15 mm, and preferably between 5 mm and 10 mm, the height H and the diameter of the rolling member 21 and / or the circumference c also respecting at least one of the relationships described above. In the rest configuration, the locking tongue 37 protrudes beyond the rolling member 21 in the longitudinal direction. In other words, the height H 10 of the locking tongue 37 is strictly greater than the maximum height of the projecting portion 38 of the rolling member 21, taken along the longitudinal direction L. The application of the rolling member 21 on the application surface 36 then results in a deflection of the locking tongue 37. Preferably, the locking tongue 37 is made by bi-material molding 15 with the support 19. According to variants, it is performed by overmolding on the support 19 or by mechanical assembly therewith. The drainage device 1 may also comprise a cover (not shown), movable between a storage position, in which it is removably attached to the applicator 5 or the container 3 and surrounds the housing 27 for receiving the organ 21, and the bearing member 21 received in this housing 27, and a position of use, in which it is disposed away from the applicator 5. According to one embodiment, the hood and the support 19 comprise complementary means for detachably fastening the cover to the support 19, such as, for example, snap-on protrusions or complementary threads. Preferably, the cover is dimensioned such that the locking member 35 occupies its rest configuration when the cover is in the storage position. Advantageously, in the storage position of the cover, the cover rests on the rolling member 21 so as to press against the orifice 31 for the passage of cosmetic product formed in the bottom 29 of the support 19. When the applicator 5 comprises a seal 34 as described above, this seal 34 is then compressed between the rolling member 21 and the bottom 29, which further improves the sealing of the device 1 in the storage position. In this case, in the configuration of use, the cover no longer bears on the rolling member 21. There is then a longitudinal gap between the orifice 31 and the rolling member 21, allowing the flow of 35 cosmetic product through the orifice 31 on the wall of the rolling member 21, and thus the distribution of the cosmetic product on the application surface 36.

By way of example, and as illustrated in FIG. 1, the gasket 34 is integrally formed with the locking tongue 37. It extends in the form of a strip from the tongue 37, along the side wall of the housing 27 to the bottom 29 where it is disposed on the periphery of the passage opening 31.

The operation of the drainage device 1 according to the invention will now be explained with reference to Figures 4 to 6. Initially, the hood occupies the storage position. After moving the cover to the position of use, the drainage device 1 is ready for use. The locking member 35 occupies its rest configuration.

The space existing between the rolling member 21 and the passage opening 31 in the position of use allows the flow, for example by gravity, of the cosmetic product contained in the reservoir 3 on the wall of the organ. 21 The user then applies the rolling member 21 on the application surface 36 15 selected and rolls the rolling member 21 on the surface 36. The displacement of the rolling member 21 in the rolling direction R on the application surface 36 causes a deformation of the locking member 35 to its application configuration shown in Figure 5. During such a displacement, the locking tongue 37 is arranged at the rear of the rolling member 21, in the direction of rolling R. As the applicator 5 moves along the rolling direction R, the locking tab 37 is drawn on the application surface 36 by the movement of the rolling member 21, its free end 41 bearing on the application surface 36, which has the effect of stretching and smoothing the skin in this region. In addition, the rolling of the rolling member 21 on the application surface 36 25 causes the stagnant fluids to move under the application surface 36 in the rolling direction R. A bearing of the rolling member 21 on the application surface 36 in the direction R 'opposite to the rolling direction R causes the deformation of the locking member 35 to its blocking configuration.

During such a movement, the locking tongue 37 is arranged at the front of the applicator 5 in the direction of displacement R '. The rolling of the rolling member 21 in the direction R 'has the effect of pushing the locking tongue 37 in the direction R', the free end 41 bearing on the application surface 36. Due to the characteristics of surface of the skin, such a thrust generates a blocking of the free end 41 of the tongue 37 against the application surface 36, for example in a fold of the skin or the simple fact of the friction of the tongue 37 against the skin. In this configuration, the further movement in the direction R 'causes the application of the locking tongue 37 against the rolling member 21 and its jamming between the application surface 36 and the rolling member 21. The locking member 35 is then in its locking configuration, in which the rolling member 21 is locked against the bearing in the direction R '. A bearing of the rolling member 21 on the application surface 36 in the direction R 'over a distance corresponding to a small fraction of its circumference, in particular equal to a quarter of its circumference, or 0.8 times its diameter is sufficient to deform the locking member 35 to its blocking configuration. Thus, the drainage device 1 does not allow any significant displacement of the rolling member 21 in the direction R '. A rolling of the rolling member 21 on the application surface 36 according to the rolling direction R from the locking configuration causes the deformation of the locking member 35 towards its application configuration.

The spacing of the applicator 5 from the application surface 36 generates the elastic return of the locking member 35 to its rest configuration. Optionally, and in particular if the user has previously acted on the reservoir 3 to bring the cosmetic product to the opening 31, for example by pressing on the tube if the reservoir 3 is in the form of a tube, the bearing of the rolling member 21 on the application surface 36 in the rolling direction R also causes the spreading of a film of cosmetic product on the application surface 36. In addition, the movement of the tongue of blocking 37 on the application surface 36 along the direction R generates the smoothing of this film of cosmetic product. Such a drainage device 1 is particularly useful for lymphatic drainage of body parts, and especially for evacuating the stagnant lymph under the eyes of the user. Indeed, and as explained above, to properly perform such drainage, it is essential to massage the application area in one direction, from the inside to the outside of the eye in the case of the drainage device. 1 according to the invention allowing significant movement of the rolling member 21 only in a rolling direction R, it prevents the reciprocation of the rolling member 21 on the skin, and therefore guarantees a satisfactory drainage gesture, even for novice users. In addition, this drainage device 1 is easy and inexpensive to manufacture. The rolling member 21 shown in FIGS. 1 to 6 has a substantially smooth rolling surface.

Alternatively, the rolling member 21 comprises reliefs 43 at its periphery to further perform a massage capable of activating the blood circulation. The presence of such reliefs 43 allows a massage of the body area concerned, generating a kneading of this area.

Examples of possible reliefs are illustrated in FIGS. 7 to 12, which illustrate the rolling member 21 in cross-section. Thus, the rolling member 21 has a cross section in the form of a star, for example with five branches (FIG. 7) or with seven branches (FIGS. 9 and 10), a cross section of pentagonal shape, in particular in the form of a pentagon. regular (Figure 8).

FIG. 11 shows a rolling member 21 having a solid cross-section consisting of a disk provided with triangular-shaped reliefs regularly distributed over its entire circumference. The rolling member 21 illustrated in FIG. 12 has a solid cross-section constituted by a square provided at each of its sides with a triangular point projecting outwardly from the respective side of the square. Optionally (not shown), the locking tab 37 is provided with reliefs on its outer surface oriented away from the rolling member 21. Such reliefs increase the unpleasant feeling after locking of the rolling member 21 if the user tries to force the movement of the device in the direction R '. The drainage device 1 shown in FIGS. 1 to 6 comprises a single rolling member 21 constituted by a single roll of axis of rotation I perpendicular to the rolling direction R. According to a variant illustrated in FIG. 13, the device drainage device comprises, as rolling member 21, a ball rotatably mounted on the support 19 according to a plurality of axes of rotation (FIG. 13). According to the variant illustrated in FIG. 14, the drainage device comprises several rolling members 21. More particularly, it comprises two rolling members 21. The rolling members 21 are formed by two rollers of axes of rotation inclined relative to each other. to the rolling direction R, symmetrical to one another with respect to a plane containing the rolling direction R. According to other variants, not shown, the locking tongue 37 is made of several tongues or several sections so that the locking tab 37 has, for example, a crenellated shape or a comb shape or includes a central notch.

In the examples described, the lymphatic drainage device 1 comprises a reservoir 3 intended to contain a cosmetic product. This tank 3 is optional. Alternatively, the lymphatic drainage device 1 is not intended for the application of a cosmetic product, and does not include a reservoir 3 of cosmetic product. In this case, the applicator 5 is for example fixed on a handle, the handle extending in the longitudinal direction L.

Claims (13)

1. A device (1) for lymphatic drainage intended to be applied to a user's body surface (36) for application, comprising: an applicator (5) comprising a support (19) and a rolling member (21); ), rotatably mounted on the support (19) around at least one axis of rotation and configured to roll on the application surface (36) in a rolling direction (R), characterized in that the applicator (5) further comprises a locking member (35), deformable between an application configuration, away from the rolling member (21), and a locking configuration, in contact with the rolling member (21), the locking member (35) preventing, in the locking configuration, the rolling of the rolling member (21) on the application surface (36) in a direction (R ') opposite to the running direction (R). 2.- Device (1) according to claim 1, wherein the locking member (35) is configured to deform to its locking configuration when the rolling member (21) is rolled on the surface of application (36) in the direction (R ') opposite to the rolling direction (R) and in which the locking member (35) occupies its application configuration when the rolling member (21) is rolled on the application surface (36) according to the rolling direction (R). 3.- Device (1) according to any one of claims 1 and 2, wherein the locking member (35) is configured to be at least partially applied against the running member (21) in the blocking configuration so as to block the rolling of the rolling member (21) in the direction (R ') opposite to the rolling direction (R). 4.- Device according to any one of the preceding claims, wherein the locking member (35) comprises a locking tongue (37) made of an elastically deformable material, in particular elastomeric material or silicone, said tongue blocking device (37) being deformable between the application configuration and the blocking configuration. 5.- Device (1) according to claim 4, wherein the locking tongue (37) is disposed at the rear of the rolling member (21) according to the rolling direction (R). 6.- Device (1) according to one of claims 4 and 5, wherein the locking tongue (37) comprises an end (39) connected to the support (19) and a free end (41), opposite to the linked end (39). 7.- Device (1) according to claim 6, wherein, in the locking configuration, the locking tongue (37) is wound on the rolling member (21), the free end (41) of the locking tongue (37) being applied against the rolling member (21). 8.- Device (1) according to one of claims 6 and 7, wherein in the application configuration, the free end (41) of the locking tongue (37) extends away from the rolling member (21), behind it. 9.- Device (1) according to one of claims 6 to 8, wherein the rolling member (21) comprises a portion (38) projecting in the direction of the application surface (36) by relative to a plane passing through the connected end (39) of the locking tongue (37), and the locking tongue (37) has a height (H), taken between the free end (41) and the linked end (39) such that it is adapted to be applied against the rolling member (21) over a length at least equal to half the circumference of its projecting portion (38). 10.- Device (1) according to any one of the preceding claims, wherein the rolling member (21) comprises a roller. 15 11.- Device (1) according to any one of the preceding claims, wherein the rolling member (21) has a smooth outer surface. 12.- Device (1) according to any one of claims 1 to 10, wherein the rolling member (21) comprises reliefs (43) on its outer surface. 13. The device (1) according to any one of claims 1 to 12, which further comprises a container (3) for containing a cosmetic product intended to be applied to the application surface (36) of the body. 'user.