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
  • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
  • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
  • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
  • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B1/00—Brush bodies and bristles moulded as a unit
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
  • A46B3/005—Bristle carriers and bristles moulded as a unit
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B9/00—Arrangements of the bristles in the brush body
  • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B9/00—Arrangements of the bristles in the brush body
  • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B2200/00—Brushes characterized by their functions, uses or applications
  • A46B2200/10—For human or animal care
  • A46B2200/1046—Brush used for applying cosmetics
  • A46B2200/1053—Cosmetics applicator specifically for mascara

Definitions

• the present invention relates to an applicator for applying a cosmetic product to the eyelashes and / or the eyebrows, as well as a packaging and application device comprising such an applicator and a container containing the product to be applied.
• the applications FR 2 962 015 and FR 2 943 226 also describe applicators comprising a twisted core. These applicators may be difficult to make directly by molding, and may require post-molding operation of twisting of the core.
• the invention aims to respond with an applicator for applying a cosmetic product, makeup or care, on the eyelashes and / or the eyebrows, comprising:
• the applicator member having at least one helical band extending over more than half a revolution about the longitudinal axis of the core, devoid of application elements and delimited by two consecutive helical rows of application elements extending parallel to each other,
• the spacing between these two consecutive helical rows of application elements being greater than the average spacing between the application elements within these helical rows.
• non-twisted soul it should be understood that the soul is of circular section or of section not rotating on itself along its longitudinal axis.
• helical row or band is meant a row or strip that follows the path of a helix around the longitudinal axis of the core.
• Each helical row of application elements and each helical band devoid of application elements advantageously extends over more than one revolution about the longitudinal axis of the core.
• the average spacing between the helical row application members is measured between the adjacent flanks of all consecutive application element pairs of that row at the core connection.
• the spacing between two consecutive parallel helical rows, over a portion of given length of the core, is measured in a direction perpendicular to the helices of these rows, and corresponds to the measured distance, at the core, between the lines pressing on the sides of the application elements of the two rows delimiting the strip devoid of application elements.
• the invention makes it possible to obtain, on the applicator member, between two helical adjacent parallel rows of application elements, a reservoir zone, devoid of an application element, which, after spinning, produces a surplus of product. on the soul.
• This reserve of product makes it possible, from the first application, a significant instantaneous load in the product of eyelashes and / or eyebrows.
• the distribution of the product reservoir zone or zones is relatively homogeneous over the length of the core, and a resultant make-up result in terms of load is obtained.
• the helical arrangement of the application elements can promote the engagement of the eyelashes therebetween.
• the helical strip or strips without application elements preferably have the same pitch of the helix as the rows of adjacent application elements and the helix according to which they extend forms the same angle with the longitudinal axis of the core as said adjacent rows.
• the application elements may be arranged on the core not only so as to create helical rows but also longitudinal rows, that is to say that the application elements may also be arranged along lines parallel to the longitudinal axis of the soul.
• the helices in which the helical row application elements are implanted are shifted from one another by an integer multiple of the spacing, along the longitudinal axis of the web, between the application elements of the helical rows. two adjacent longitudinal rows.
• the medial helix of the helical strip or bands may also be shifted, relative to the helix of implantation of a helical row of application elements, by an integer multiple of this spacing.
• the applicator member is advantageously made by molding thermoplastic material, in particular elastomer, for example SEBS, a silicone, latex, butyl, EPDM, a nitrile, a thermoplastic elastomer, a polyester elastomer, polyamide, polyethylene or vinyl, a polyolefin such as PE or PP, PVC, EVA, PS, PET, POM, PA or PMMA.
• elastomer for example SEBS, a silicone, latex, butyl, EPDM, a nitrile
• a thermoplastic elastomer for example SEBS, a silicone, latex, butyl, EPDM, a nitrile
• a thermoplastic elastomer for example SEBS, a silicone, latex, butyl, EPDM, a nitrile
• a thermoplastic elastomer for example SEBS, a silicone, latex, butyl, EPDM, a nitrile
• the applicator member may be constituted by an insert on the rod of the applicator.
• the applicator member may alternatively be made by molding in one piece with the applicator rod.
• the apparent length of the application member can be between
• the core preferably has a circular cross section.
• the core has a cross section of any other shape, for example triangular, rectangular or ovoid.
• the core may have longitudinal faces separated by edges parallel to the longitudinal axis of the core.
• the soul is preferably monolithic.
• the core is preferably rectilinear longitudinal axis, but it can still be curvilinear.
• the thickness of the core may be between 2 mm and 5 mm, better between 2.5 mm and 3 mm.
• the thickness of the core corresponds to its diameter when the core has a circular cross section. When the soul is of polygonal section, the thickness corresponds to the diameter of the circle circumscribed to the soul.
• the rod is connected, at its end opposite the applicator member, to a gripping member.
• the applicator member may have a single helical strip devoid of application elements.
• a plurality of helical strips without application elements is provided between helical rows of application elements.
• the applicator according to the invention may have an alternation of helical rows of application elements and helical strips devoid of application elements, as one progresses along the longitudinal axis of the core.
• the helical rows of application elements and the helical strips devoid of application elements each follow the path of a helix which may be left or right, especially not left.
• the rows and the helical strips form turns which, seen along the axis of the core from its end fixed in the rod, turn in the counter-clockwise direction as one progresses from the rod towards the free end of the soul.
• the angle of the helix with respect to the longitudinal axis of the core can be between 30 ° and 60 °.
• the angle is preferably constant for the entire helix.
• the diameter of the helix, measured at the surface of the core, can be constant.
• the number of helical strips devoid of application elements can be between 4 and 10.
• Each helical row may have between 25 and 40 application elements.
• the application member may comprise in all between 100 and 400 application elements. In particular, there may be no other application element than those arranged along said helical rows.
• the application elements may be constituted by spikes, for example of conical shape, preferably of circular section at their base.
• the spacing between two consecutive helical rows of application elements delimiting a helical band devoid of application elements may be between 1.1 to 1.8 times the spacing between the application elements within these elements. rows, better between 1.3 and 1.6 times, being in particular equal to 1.4 times said spacing.
• the spacing between two consecutive helical rows of application elements may be between 0.5 mm and 1.5 mm.
• the spacing between two consecutive helical rows of application elements delimiting a helical band devoid of application elements is advantageously constant at all points of the core.
• the diameter of the helix, measured on the surface of the core, that follows a row or a helical band is then constant. In a variant, this spacing varies.
• the spacing between two consecutive helical rows may be greater than the largest transverse dimension of the application elements of these rows.
• the spacing between two consecutive application elements of a helical row is advantageously constant, being in particular the same for all the helical rows of application elements.
• this spacing varies within the same row and / or row to row. For example, the gap may become smaller at the ends of the row, where the application elements may be smaller.
• the spacing between at least two consecutive application elements of a helical row may be smaller than the largest transverse dimension of the application elements.
• the spacing between two consecutive application elements of a helical row is compared to the largest transverse dimension of the application elements between which the spacing is measured.
• the small spacing between the application elements within a helical row makes it possible to separate the eyelashes and / or the eyebrows during the application of the product and to smooth the product on their surface.
• the spacing between two consecutive application elements of a helical row may be between 0.3 and 0.9 times the largest transverse dimension of the application elements, especially their diameter at their base, better between 0.5 and 0.8 times, being for example equal to 0.7 times said largest transverse dimension.
• the spacing between two consecutive application elements of a helical row may be between 0.2 mm and 0.8 mm.
• the largest transverse dimension of an application element which is its diameter at its base in the case of a tapered pin, can be between 0.5 mm and 1 mm.
• the application elements advantageously all have the same transverse dimension at their base.
• the transverse dimension of the application elements at their base varies from one element to another, for example within the same helical row of application elements and / or from one row to the other. other.
• the transverse dimension of the application elements preferably decreases from their base towards their free end.
• the transverse dimension of the half-height application elements in particular their diameter, can be between 0.3 mm and 1 mm.
• the radius of curvature of the application elements at their free end may be between 0.4 mm and 0.7 mm.
• the height of the application elements can be between 0.5 mm and
• the height of the application elements may vary depending on their location on the core.
• the applicator member may in particular comprise lower-height application elements near its proximal and distal ends.
• the diameter of the circle passing through the free ends of the application elements of smaller height may be between 4 mm and 5 mm.
• the diameter of the circle passing through the free ends of the application elements of greater height may be between 5 mm and 15 mm.
• the implantation of the application elements may be such that the angle ⁇ about the longitudinal axis of the core, between two consecutive crowns of application elements, formed by the helical row application elements, is between 10 ° and 20 °.
• the distance between two consecutive application elements of the same longitudinal row, measured between their free ends, can be between 2 mm and 3.5 mm.
• the distance between two consecutive application elements of the same longitudinal row, measured between the adjacent flanks of the latter at the core, may be between 2 mm and 3 mm.
• the height of the application elements can increase and then decrease toward the free end of the core.
• three application elements belonging to different longitudinal rows may be present between two consecutive application elements of the same longitudinal row.
• the helical rows of application elements are advantageously all identical, and are images of one another by a rotation around the longitudinal axis of the core of 360 n, where n is the number of rows.
• the applicator member has at least two helical strips devoid of application elements, these are advantageously all identical, and are images of one another by a rotation about the axis. longitudinal length of 3607m, where m is the number of bands.
• the core may have at least one cavity, better a plurality of cavities, each of axis transverse to the longitudinal axis of the core. The amount of product remaining on the applicator member after spinning is thus increased.
• the cavity or cavities are preferably arranged along the helical strip or strips without application elements, in particular half-width of said helical strips devoid of application elements.
• the cavities are advantageously arranged in at least one helical row of cavities within the helical band devoid of application elements.
• the cavity or cavities are preferably of semicircular section, observed in a section plane perpendicular to the core, being in particular constituted by hemispherical cells.
• the cavity or cavities advantageously open each on the core by an opening whose largest dimension, which is the diameter of the opening in the case where it is circular in shape, is equal to the greatest transverse dimension of the elements. application.
• the largest dimension of the opening is different from the largest transverse dimension of the application elements, being it greater or smaller.
• the cavities can all have the same opening dimension.
• the opening dimension of the cavities varies from one cavity to another, in particular within a helical row of cavities and / or from one row of cavities to the other.
• the spacing between two cavities within a helical row of cavities may be constant and may be the same for each row of cavities. In a variant, this spacing is variable within the same helical row of cavities and / or from one row to another.
• the core has at least one cavity in the form of a continuous helical groove, arranged along the helical strip devoid of application elements and between two helical rows of application elements.
• the width of the groove is preferably equal to the largest transverse dimension of the application elements of the helical rows which surround it.
• the invention further relates to a device for packaging and applying a cosmetic product, makeup or care, on the eyelashes and / or the eyebrows, comprising an applicator according to the invention and a container containing the product to apply.
• the applicator gripping member preferably constitutes a sealing cap of the container.
• the container preferably comprises an applicator wiper member.
• FIG. 1 represents, in schematic longitudinal section, an exemplary packaging and application device produced according to the invention
• FIG. 2 represents in isolation the applicator member of FIG. 1
• FIG. 2A is a detail of the applicator member of FIG. 2
• FIG. 3 is a section on III-III of the member of FIG. application of the figure
• FIG. 3A is a detail of the applicator member of FIG. 3
• FIG. 4 is a cross section along IV-IV of the applicator of FIG. 2
• FIG. 5 is a flat developed view illustrating the arrangement of a portion of the application elements on the surface of the core of an applicator according to the invention
• FIG. 6 is a view, similar to FIG. 5, of an alternative embodiment of an applicator according to the invention.
• FIG. 7 is a developed view illustrating the arrangement of a portion of the application elements on the surface of the core of an applicator according to the prior art
• FIG. 8 represents in perspective the applicator member of FIG. 2;
• FIGS. 9 and 10 are views, similar to FIG. 8, of an alternative embodiment of an applicator according to the invention;
• FIG. 11 is a cross-section along X-X of the core of the applicator of FIG. 9, and
• Figure 12 is a developed view of an alternative embodiment of an applicator according to the invention.
• the device 1 for packaging and application represented in FIG. 1, comprises a container 2 containing a product P to be applied to the eyelashes and / or the eyebrows and an applicator 3 that can be fixed removably on the container 2.
• the applicator 3 comprises a rod 8 of longitudinal axis Y, provided at one end with an applicator member 10, which will be described in detail hereinafter, and at the other end with a gripping member 9 constituting also a sealing cap of the container 2.
• the latter comprises a body 7 provided superiorly with a collar threaded 5, on which the gripping member 9 can be screwed to sealingly close the container 2.
• the attachment of the applicator 3 on the container 2 can be done otherwise.
• the neck 5 can accommodate, as illustrated, a wiper member 6 which is for example reported in the neck 5.
• This wiper member 6 comprises for example a lip defining a wiper orifice of diameter adapted to that of the rod 8.
• the wiper member 6 can be of any type, attached to the container 2 or molded therewith. The wiper member 6 can still be adjustable.
• the neck 5 of the container 2 can be reported, alternatively.
• the rod 8 has a straight longitudinal axis Y, but it is not beyond the scope of the present invention when the rod 8 is non-rectilinear.
• the rod 8 may comprise a flexible portion at its distal end, optionally provided with an annular groove, the applicator member 10 then connecting to this flexible portion.
• the product P is intended for application to eyelashes and / or eyebrows. It may comprise iron oxide, among other pigments, and an aqueous or organic solvent, depending on the formulations.
• FIGS. 2 to 6 and 8 show, in isolation, all or part of the applicator member 10.
• the applicator member 10 is made by molding thermoplastic material in the example described.
• the applicator member 10 comprises a core 11 extending along a longitudinal axis X, which is rectilinear in the example described, but which could still be curvilinear.
• the core has a circular cross section, but could have a cross section of any other shape, for example triangular, rectangular or ovoid.
• the thickness E of the core 11 is between 2 mm and 5 mm, being for example equal to 3 mm in the example in question.
• the applicator member 10 comprises a tip 4 molded in one piece with the core 11, this endpiece 4 serving to fix the applicator member 10 in the rod 8.
• the length L e of the tip 4 may be between 5 mm and 8 mm, being for example equal to 7 mm.
• the apparent length L of the applicator member 10, which corresponds to the length of the core 11 carrying the application elements 12, is between 20 mm and 30 mm, better still between 23 mm and 27 mm, being example equal to 25 mm in the example of the considered.
• the total length L T of the applicator member 10, corresponding to the core 1 1 and to the endpiece 4, is between 23 mm and 40 mm, being for example equal to about 32 mm in the example of FIGS. Figures 1 to 4.
• the core 11 carries application elements 12 arranged in a plurality of helical rows around the longitudinal axis X of the core 11, the implantation helices extending parallel to one another, with a constant distance between them.
• the application member 10 furthermore has, in the example of FIGS. 1 to 5 and 8, a plurality of helical strips 25 devoid of application elements and each delimited by two consecutive helical rows of application elements. 12.
• the applicator member 10 has, in the example under consideration, an alternation of helical rows of application elements 12 and helical strips 25 devoid of application elements, as one progresses along the longitudinal axis X of the core (11).
• Each helical row of application elements 12 and each helical band 25 devoid of application elements advantageously extends over more than one revolution about the longitudinal axis X of the core 11.
• the helical rows of application elements 12 and the helical strips 25 devoid of application elements each follow the path of a left-handed helix.
• the propeller could be stepping right.
• the angle of the helix with respect to the longitudinal axis X of the core 11 is preferably comprised, as illustrated, between 30 ° and 60 °, being for example equal to 45 °.
• the angle of the helix is that which the implantation helix makes with the longitudinal axis of the core when the applicator member is observed from the side, as in FIG.
• FIG. 5 shows the developed surface of the core 1 1 of an applicator member 10 of an applicator according to the invention, and the bases 19 of the application elements 12 have been materialized in this figure. by which they are connected to the core 1 1.
• the helical rows 26, 27 of the application elements 12 and the helical strips 25 devoid of application elements each extend along a line Z whose angle with the longitudinal axis X of the core 11 corresponds to the helix angle.
• the spacing e r between two consecutive helical rows 26, 27 of application elements which is measured in a direction perpendicular to the orientation of the rows, and corresponds to the difference measured, at the core 11, between the lines bearing on the flanks 12a of the application elements 12 of the two rows 26, 27 delimiting a strip 25 devoid of application elements, is greater than the average spacing e e between the application elements 12 within these helical rows, this spacing e e being here the same for all the application elements of the row.
• the spacing e r between two consecutive helical rows 26, 27 of application elements is also greater than the largest transverse dimension D e of the application elements 12.
• the spacing e r is preferably between 1.1 to 1.8 times the spacing e e between two application elements 12 of a helical row, better still between 1.3 and 1.6 times, being equal to 1.4 times the spacing e e between two application elements 12 of a helical row in the example described.
• the spacing e r is preferably between 0.5 mm and 1.5 mm, being for example equal to 0.7 mm.
• the spacing between two consecutive application elements 12 of a helical row 26, measured between the adjacent flanks 12a of the latter at the core 11, is also smaller than the largest transverse dimension D e of the elements. application 12, namely here the diameter at their base 19, over the entire length L of the core 11.
• the spacing is preferably between 0.3 and 0.9 times the largest transverse dimension D e application elements, better between 0.5 and 0.8 times, being equal to 0.7 times said larger transverse dimension D e in the example under consideration.
• the spacing is preferably between 0.2 mm and 0.8 mm, being for example equal to 0.4 mm.
• the spacing e e between two consecutive application elements 12 of a helical row 26 is preferably constant, being the same for each helical row of application elements, all the elements of application 12 having for example the same diameter at their base 19.
• the spacing e r between two helical rows delimiting a helical band is also constant at any point of the core 11.
• the spacings e e and e r are variable.
• the spacing e e between two consecutive application elements 12 may vary within the same row and / or may vary from row to row.
• the spacing e r may vary between certain helical rows.
• the number of helical strips 25 devoid of application elements is preferably between 1 and 10, being equal to 6 in the example described.
• the helical rows of application elements 12 are, in the example described, all identical and are images of one another by a rotation around the longitudinal axis X of the core 11 of 360 ° / n , where n is the number of rows, ie for example
• Each helical row of application elements 12 has between 25 and 40 application elements, for example about 35.
• the applicator member 10 preferably comprises between 100 and 400 application elements 12, for example approximately 200.
• the application member 10 may comprise no other application element 12 than those arranged along the helical rows, as illustrated.
• a plurality of helical strips 25 devoid of application elements is formed between helical rows of application elements 12.
• a plurality of helical strips 25 devoid of application elements is formed between helical rows of application elements 12.
• a single helical band 25 without application elements is formed between helical rows of application elements 12.
• FIG. 7 shows the developed surface of the core 111 of an applicator member 110 of an applicator according to the prior art, and the bases 119 of the application elements 112 have been materialized in this figure. by which they are connected to the core 111.
• the helical rows 126, 127 of application elements 112 each extend along a line Z '.
• This applicator member 110 has a spacing e r 'between two consecutive helical rows 126, 127, which is measured in a direction perpendicular to the orientation of the rows, and corresponds to the difference measured at the web 1 11, between the lines pressing on the flanks 112a of the application elements 112 of the two rows 126, 127.
• This spacing e r ' is smaller than the spacing e e ' between two consecutive application elements of these rows, and at the greatest transverse dimension D e 'of the application elements 112. The possibility of obtaining product reservoir areas P after wringing of the applicator member 110 is then restricted.
• the application elements 12 have a height h which varies according to their location on the core 11.
• the application elements 12 of a ring 16, formed by the application elements 12 occupying the same axial position on the longitudinal axis X may have a height h greater than or equal to that of the application elements 12 of the crown consecutive 17, towards the free end of the soul, from a certain rank from the proximal end of the soul.
• the application elements 12 all have the same height h.
• the application elements 12 have a height h which varies differently along the core 11, the envelope surface of the applicator member 10 can have any shape, in particular cylindrical, cylindroconic, biconical, ovoid , shaped like fish, peanut, ball, ogive, etc.
• the largest diameter ⁇ of the circle passing through the free ends of the application elements 12 of the ring gear 16 may be between 5 mm and 15 mm, for example equal to 8 mm.
• the angular offset around the longitudinal axis X of the core 11 between two consecutive rings 16 and 17 may be between 10 ° and 20 °, being for example equal to 15 °, as in the example shown in FIG. 4.
• the applicator member 10 may comprise application elements 12 of smaller height near its proximal and distal ends 20 and 21.
• the height h of the application elements 12 can increase and then decrease towards the free end of the soul 13.
• the height h of the application elements 12 is for example between 0.5 mm and 5 mm.
• the transverse dimension of the application elements 12 can decrease from their base 19 towards their free end 22.
• the radius of curvature r e of the application elements 12 at their free end 22 is preferably between 0.4 mm and 0.7 mm, being for example equal to 0.5 mm.
• the distance d e between two application members 12 consecutive of the same longitudinal row 36, measured between their free ends 22, can be between 2 mm and 3.5 mm, being e.g. equal to 3 mm.
• the distance 3 ⁇ 4 between two consecutive application elements 12 of the same longitudinal row, measured between the adjacent flanks 12a of the latter at the core 11, may be between 2 mm and 3 mm, being for example equal to at 2.5 mm.
• three application elements 12 belonging to different longitudinal rows may be present, in projection, between two consecutive application elements of the same longitudinal row 36.
• the application elements 12 are constituted in the example illustrated by conical shaped pins of circular section at their base.
• the invention is not limited to application elements in the form of conical pins, and other forms of pins are possible, for example of flattened cross section.
• the core 11 has a plurality of cavities 13, each having an axis transverse to the longitudinal axis of the core 11.
• the cavities 13 are arranged along the helical strips 25 devoid of application elements, thus being arranged in a plurality of helical rows of cavities.
• each row of cavities is arranged at the mid-width of a helical strip 25 devoid of application elements.
• the cavities consisting of hemispherical cells, are of section, in a sectional plane perpendicular to the axis of the core 11, semicircular, but the invention is not limited. to a particular form of cavity.
• the cavities 13 open onto the core 11 through an opening 14 whose largest dimension D g , which is the diameter of the opening, is equal to the largest transverse dimension D e of the elements.
• the largest dimension D g of the opening 14 is different from the largest transverse dimension D e of the application elements 12.
• the largest dimension D g of the openings 14 varies within a helical row of cavities and / or from one row to another.
• the gap e g between two cavities 13 within a helical row of cavities 28 is constant in the example described, and it is the same for all rows of cavities.
• the spacing e g between two cavities 13 of a helical row of cavities is variable within the same row and / or row to row.
• the core 11 has at least one cavity in the form of a continuous helical groove 15, arranged along a helical strip 25 devoid of application elements and between two helical rows
• the largest transverse dimension D g of the groove is its width at the core 11, and it is equal to the largest transverse dimension D e of the application elements 12 of the helical rows who frame it.
• the application elements 12 all have the same larger transverse dimension D e .
• the largest transverse dimension D e of the application elements 12 varies from one element to another, for example within the same helical row of application elements and / or a row to another.
• the application elements 12 may comprise a material with bacteriostatic properties and / or promoting sliding and / or magnetic.
• the applicator 3 may be subjected to vibrations during use, and / or be heated, that is to say comprise a heating element, and / or be rotatable. It is also possible that the applicator member 10 is vibrating and heating or only vibrating or heating only or only rotating. In the case where the applicator is rotatable, the gripping member 9 can house an electric motor to drive the rod in rotation.

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• Physics & Mathematics (AREA)
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• Coating Apparatus (AREA)
• Brushes (AREA)
• Cosmetics (AREA)

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• 2013
  • 2013-06-26 FR FR1356128A patent/FR3007629B1/fr not_active Expired - Fee Related
• 2014
  • 2014-06-25 CN CN201480037149.5A patent/CN105338852B/zh active Active
  • 2014-06-25 ES ES14744180T patent/ES2874251T3/es active Active
  • 2014-06-25 KR KR1020167001971A patent/KR20160024390A/ko not_active Application Discontinuation
  • 2014-06-25 EP EP14744180.2A patent/EP3013175B1/de active Active
  • 2014-06-25 US US14/901,652 patent/US9907386B2/en active Active
  • 2014-06-25 JP JP2016522931A patent/JP6587611B2/ja active Active
  • 2014-06-25 WO PCT/IB2014/062588 patent/WO2014207673A1/fr active Application Filing

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