EP3131428A1 - Applicateur de produit cosmetique et procede de production associé - Google Patents

Applicateur de produit cosmetique et procede de production associé

Info

Publication number
EP3131428A1
EP3131428A1 EP15718197.5A EP15718197A EP3131428A1 EP 3131428 A1 EP3131428 A1 EP 3131428A1 EP 15718197 A EP15718197 A EP 15718197A EP 3131428 A1 EP3131428 A1 EP 3131428A1
Authority
EP
European Patent Office
Prior art keywords
tubular sleeve
rod
brush
sleeve
applicator
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.)
Withdrawn
Application number
EP15718197.5A
Other languages
German (de)
English (en)
Inventor
Noémie CHAILLET-PIQUAND
Alain BEHRAULT
Davide Manici
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.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR1453552A external-priority patent/FR3019975B1/fr
Priority claimed from FR1453559A external-priority patent/FR3019976B1/fr
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP3131428A1 publication Critical patent/EP3131428A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • 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
    • 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
    • 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
    • A46B2200/106—Cosmetics applicator specifically for mascara including comb like element

Definitions

  • This invention relates to a cosmetic product applicator.
  • Such an applicator is intended for applying a cosmetic product on keratin fibers of a user, in particular the eyelashes or the eyebrows.
  • Cosmetic product means advantageously, in the sense of this invention, a product such as defined in EC Regulation no. 1223/2009 of the European Parliament and of the Council of November 30, 2009 relating to cosmetic products.
  • the cosmetic product is for example a care product or a makeup product, particularly a mascara.
  • mascara brushes are generally used. These brushes comprise a core formed by two twisted metal strands defining turns, between which the bristles of the brush are taken.
  • WO 2006/121519 describes a mascara brush comprising a perforated rod delimiting a plurality of through openings.
  • the brush is mounted inside the perforated rod.
  • the bristles of the brush project transversally through the through openings outside of the perforated rod. Such a brush modifies the performance characteristics of the applicator.
  • FR 2 916 328 describes a brush that has improved functions, comprising both bristles and points made of elastomer.
  • One aim of the invention is that of obtaining a cosmetic product applicator that has improved functions and an improved outside appearance, while being simple to manufacture.
  • the invention relates to an applicator comprising:
  • a brush mounted at the end of the rod, the brush comprising a core and bristles protruding from the core;
  • the applicator further comprising: - a tubular sleeve mounted on the rod outside the brush, the tubular sleeve delimiting a plurality of passage openings for bristles opening into an outer surface of the tubular sleeve, the bristles of the brush protruding through the passage openings,
  • the total area of the passage openings being less than 50%, in particular less than 40% of the total area of the outer surface of the tubular sleeve.
  • the applicator according to the invention may include one or more of the following features, taken alone or in any technically possible combination:
  • the maximum length of each passage opening, taken longitudinally with respect to the brush is less than half, in particularly less than one-third, possibly less than one- tenth of the length of the tubular sleeve, taken with respect to a central axis of the tubular sleeve.
  • the angular span of each passage opening, taken with respect to a central axis of the tubular sleeve, is less than 30°, in particular less than 10°.
  • the tubular sleeve delimits a longitudinal central hole receiving the core of the brush, each passage opening opening inwards into the central hole.
  • the tubular sleeve comprises a free distal end, the central hole being closed longitudinally at the free distal end of the tubular sleeve.
  • the central hole comprises a central segment receiving the core, and an empty end segment, located opposite the rod, able to accommodate the core during a displacement of the tubular sleeve toward the rod.
  • the applicator comprising a cover mounted on the tubular sleeve to close off the central hole at the free distal end of the tubular sleeve.
  • the tubular sleeve has a proximal portion located longitudinally facing a distal region of the rod, the proximal portion of the tubular sleeve being able to slide in two opposite directions with respect to the distal region of the rod over a travel at least equal to the maximum radial span of a bristle, before attachment of the tubular sleeve on the rod.
  • the rod has a proximal region, the cross-section of the proximal region being greater than the minimum cross-section of the distal region;
  • the applicator is intended for applying a cosmetic product on the eyelashes or the eyebrows of a user.
  • the invention also relates to a method for producing a cosmetic product applicator, comprising the following steps: supplying of a brush, the brush comprising a core and bristles protruding from the core,
  • tubular sleeve delimiting a plurality of passage openings for bristles, the bristles of the brush protruding through the passage openings,
  • the total area of the passage openings being less than 50%, in particular less than 40% of the total area of the outer surface of the tubular sleeve.
  • the method according to the invention can include one or more of the following features, considered alone or in any technically possible combination:
  • the step of mounting the tubular sleeve comprises a first displacement of the tubular sleeve on the brush in a first direction, and a second displacement of the tubular sleeve on the brush in a second direction opposite the first direction, the bristles of the brush then protruding through the passage openings.
  • the first displacement comprises the pressing of at least one bristle against the core away from a passage opening, the second displacement comprising the placing of said bristle facing a passage opening so that the bristle protrudes radially through the passage opening.
  • the step of mounting the tubular sleeve comprises a third displacement of the tubular sleeve in the first direction after the second displacement.
  • the tubular sleeve delimits a longitudinal central hole receiving the core, each passage opening opening inwards into the central hole, the core being received in an end segment of the central hole or protruding outside the tubular sleeve at the end of the first displacement, the end segment being empty or the core being entirely received in the tubular sleeve at the end of the second displacement.
  • the mounting of the brush at the end of the rod is implemented after the mounting of the tubular sleeve outside the brush, the method further comprising the attaching of the tubular sleeve on the rod by means of at least one intermediate member.
  • the intermediate member is formed by an axial retention projection of the sleeve on the rod connected with one of the sleeve and of the rod, the other of the sleeve and of the rod defining a housing for receiving the projection, with the attaching of the sleeve on the rod comprising the insertion of the axial retention projection into the housing.
  • the intermediate member comprises a connection bar between the rod and the sleeve
  • the step of mounting the brush comprising inserting the intermediate member into the rod
  • the step of attaching comprising attaching the sleeve around the intermediate member
  • the intermediate member delimits an additional axial housing for attaching the brush, said additional axial housing receiving the core of the brush.
  • the rod has a proximal region, the cross-section of the proximal region being greater than the minimum cross-section of the distal region, the intermediate member protruding radially from the distal region.
  • the tubular sleeve comprises a free distal end, the central hole being closed longitudinally at the free distal end of the tubular sleeve;
  • the central hole comprises a central segment receiving the core, and an empty end segment, located opposite the rod, able to accommodate the core during a displacement of the tubular sleeve toward the rod;
  • the applicator comprising a cover mounted on the tubular sleeve to close off the central hole at the free distal end of the tubular sleeve.
  • the invention also relates to a method for manufacturing a cosmetic applicator, comprising the following steps:
  • the brush comprising a core and bristles protruding from the core
  • tubular sleeve delimiting a plurality of passage openings for bristles
  • the mounting the tubular sleeve comprising a first displacement of the tubular sleeve with respect to the brush in a first direction, and a second displacement of the tubular sleeve with respect to the brush in a second direction opposite the first direction, the bristles of the brush then protruding through the passage openings,
  • Such a method constitutes a simple method for manufacturing a cosmetic product applicator that has functions and an improved outside appearance.
  • the method according to the invention can include one or more of the following features, considered alone or in any technically possible combination:
  • the first displacement comprises the pressing of at least one bristle against the core away from a passage opening, the second displacement comprising the placing of said bristle facing a passage opening so that the bristle protrudes radially through the passage opening.
  • the step of mounting the tubular sleeve comprises a third displacement of the tubular sleeve in a first direction after the second displacement.
  • the intermediate member is formed by an axial retention projection of the sleeve on the rod connected with one of the sleeve and of the rod, the other of the sleeve and of the rod defining a housing for receiving the projection, with the attaching of the sleeve on the rod comprising the insertion of the axial retention projection into the housing.
  • the intermediate member comprises a connection bar between the rod and the sleeve
  • the step of mounting the brush comprising inserting the intermediate member into the rod
  • the step of attaching comprising attaching the sleeve around the intermediate member
  • the intermediate member delimits an additional axial housing for attaching the brush, said additional axial housing receiving the core of the brush.
  • the tubular sleeve delimits a longitudinal central hole receiving the core, each passage opening opening inwards into the central hole, the core being received in an end segment of the central hole or protruding outside the tubular sleeve at the end of the first displacement, the end segment being empty or the core being entirely received in the tubular sleeve at the end of the second displacement.
  • the rod has a proximal region, the cross-section of the proximal region being greater than the minimum cross-section of the distal region, the intermediate member protruding radially from the distal region.
  • the tubular sleeve comprises a free distal end, the central hole being closed longitudinally at the free distal end of the tubular sleeve;
  • the central hole comprises a central segment receiving the core, and an empty end segment, located opposite the rod, able to accommodate the core during a displacement of the tubular sleeve toward the rod;
  • the central hole opens at the free end of the tubular sleeve, the applicator comprising a cover mounted on the tubular sleeve to close off the central hole at the free distal end of the tubular sleeve.
  • FIG. 1 is a sectional view along a medial axial plane of an application assembly, comprising a first cosmetic product applicator according to the invention
  • FIG. 1 is a side view of the end of the first applicator according to the invention.
  • FIG. 3 to 6 are side views, partially sectional, of the first applicator according to the invention, during its assembly;
  • FIG. 7 is a view, taken as a partial section, of the interface between the tubular sleeve and the rod of a second applicator according to the invention.
  • figure 8 is an equivalent view to figure 7 of a third applicator according to the invention.
  • FIG. 9 is a view, taken as a section along a medial axial plane, of the tubular sleeve of a fourth applicator according to the invention.
  • FIG. 16 illustrates possible transverse sections of rods and tubular sleeves for variants of applicators according to the invention
  • FIG. 17 to 18 are side views, taken as a partial section, of variants of applicators according to the invention.
  • proximal is generally understood to mean closer to the hand of the user gripping the applicator.
  • distal is generally understood to mean further from the hand of the user gripping the applicator.
  • a first cosmetic product packaging and application device 10 is illustrated in figure
  • the cosmetic product is for example a care product or a makeup product, particularly a mascara.
  • the product is intended to be applied on the keratin fibers of a user, such as the eyelashes and the eyebrows.
  • the device 10 comprises a container 12, an applicator 14 according to the invention, and a gripping member 16, mounted at an end of the applicator 14 to close the container 12.
  • the container 12 defines an inner volume 18 for containing the cosmetic product.
  • the inner volume 18 opens outwards at a neck 20 of the container 12.
  • the container 12 comprises a wiping member 22, mounted in the neck 20.
  • the wiping member 22 consists for example of a part made of elastomer. It can be conventional or not, and even be adjustable. It defines a wiping orifice with a section corresponding substantially to that of the applicator 14 at its rod.
  • the gripping member 16 is arranged to create a sealed closure of the container 12 at the neck 20, for example by screwing. It is removably mounted onto the container 12.
  • the applicator 14 comprises a rod 30, and a brush 32 fixed to a distal end of the rod 30.
  • the applicator 14 further comprises a perforated tubular sleeve 34, mounted on the rod 30 in order to cover the brush 32.
  • the rod 30 has a circular cross-section.
  • the rod 30 has other cross-sections, such as a polygonal cross-section, for example triangular, rectangular, square, lozenge, or an elongate cross-section, for example oval, elliptic.
  • the rod 30 extends advantageously linearly, along an axis A-A' of insertion in the container 12, between a proximal end fixed on the gripping member 16 and a free distal end, receiving the brush 32.
  • FIG 3 it thus comprises a proximal region 38 and a distal region 40, with the distal region 40 having a cross-section with area less than the cross-section of the proximal region 38.
  • the distal region 40 has a cross-section with area decreasing towards the axis A-A' in the direction of the distal free end of the rod 30.
  • the rod 30 defines internally an axial housing 42 for attaching the brush 32.
  • the axial housing 42 opens distally at the distal free end of the rod 30.
  • the length of the distal region 40, taken along the axis A-A', is less than the length of the brush 32 projecting outside the rod 30, taken along the same axis.
  • the brush 32 illustrated in figure 3 before it is inserted into the sleeve 34, comprises a core 50 and a plurality of bristles 52 projecting radially from the core 50.
  • the core 50 is partially inserted into the axial housing 42. It is for example formed by two twisted strands, advantageously made of metal.
  • the bristles 52 are maintained by clamping between the turns of the core 50. They extend radially from the core 50 over a maximum radial span ER, taken perpendicularly to the axis A-A'. Before the insertion of the sleeve 34, the bristles 52 of the brush 32 are distributed in such a way as to form a circumferential surface of substantially cylindrical or frustoconical shape of revolution about the axis A-A'.
  • the bristles 52 advantageously have a maximum transverse dimension, taken in cross-section with respect to their axis, less than 0.5 mm, and in particular between 0.01 mm and 0.4 mm.
  • each bristle 52 taken between the core 50 and a free end is for example less than 8 mm and is in particular between 1 .5 mm and 6 mm, advantageously between 2 mm et 4 mm.
  • the sleeve 34 is mounted at the distal end of the rod 30 in order to cover the brush 32.
  • the sleeve 34 comprises a proximal peripheral wall 64 and a distal head 66 distally closing off the inner hole 60.
  • the length of the sleeve 34, taken along the axis A-A', is greater than the length of the brush 32 projecting outside the rod 30 along the axis A-A'.
  • the proximal peripheral wall 64 forms a volume of revolution about the axis A-A'. It delimits a central segment 68 of the hole 60.
  • the passage openings 62 are formed through the wall 64.
  • the maximum thickness of the wall 64, taken radially with respect to the axis A-A', is less than the maximum width of the central segment 68, taken perpendicularly with respect to the axis A-A'.
  • the head 66 delimits an end segment 70 of the hole 60, with a cross-section less than that of the central segment 68. It has a rounded shape that converges towards the distal end of the sleeve 34.
  • the inner hole 60 opens axially proximally through an axial opening 72 for inserting the brush.
  • the inner hole 60 is axially closed off distally by the head 66.
  • the head 66 and the wall 64 are made in a single piece from the same material.
  • the sleeve 34 is preferably made of a flexible material so as to be deformable to the touch.
  • This material is for example a thermoplastic elastomer which makes it possible to have a gripping effect and having more rebound on the keratin fibers. This increases the elongating effect on the fibers, in particular on the eyelashes.
  • the sleeve 34 is made of a rigid material. It is for example injected from a thermoplastic material, or made from metal. This makes it possible to increase the smoothing power.
  • the sleeve 34 has an outer surface 74 which, in this example is smooth.
  • the surface does not have protrusions with a size exceeding the maximum radial span of the openings 62.
  • the outer surface 74 is micro-textured or ribbed, advantageously by organized grooves having a comb effect.
  • the microstructures also form cosmetic product reserves that make it possible to accentuate the loading with cosmetic product.
  • the surface 74 is covered with protrusions, such as points, teeth, nipples allowing for an attaching of the keratin fibers, and better retention of the cosmetic product.
  • the surface 74 is alveolate in order to ensure an increased retention of the cosmetic product.
  • the total area of the passage openings is less than 50%, in particular less than 40%, in particular less than 30% of the total area of the outer surface 74 of the sleeve.
  • the total area of the outer surface 74 of the sleeve 34 is to be understood as the sum of the area of the solid regions of the sleeve 34 located around the openings 62 and of the area of the openings 62 on the surface 74.
  • the maximum area of each opening 62 is less than 10%, in particular less than 5% of the total area of the outer surface 74 of the sleeve 34.
  • the maximum length of each opening 62, taken along the axis A- A' is less than 50%, preferably less than 30% of the length of the sleeve 34, taken along the axis A-A'.
  • the maximum angular span of each opening 62, taken perpendicularly to the axis A-A' about the axis A-A', is less than 180°, preferably less than 90°, advantageously less than 45°.
  • Each opening 62 radially passes through the wall 64 of the sleeve 34.
  • At least one opening 62 has for example a geometric shape, such as a circle, square, spiral, lozenge, cross, triangle, stick, ellipse, star, rectangle, hexagon, or any other polygonal shape.
  • At least one opening 62 has a fancy shape, for example the shape of a heart, the shape of a star, the shape of skull and cross bones, the shape of a flower, the shape of a panther print, the shape of an animal head, in particular a cat, the shape of a spot, the shape of a lightning bolt.
  • a fancy shape for example the shape of a heart, the shape of a star, the shape of skull and cross bones, the shape of a flower, the shape of a panther print, the shape of an animal head, in particular a cat, the shape of a spot, the shape of a lightning bolt.
  • all of the openings 62 of the sleeve 34 have the same shape. In an alternative embodiment, the shapes of at least two openings 62 of the sleeve 34 are different.
  • the openings 62 are distributed in a homogeneous manner over the outer surface 74.
  • the distribution is not homogeneous, and depends for example on the surface of the sleeve 34, or on the particular region of the sleeve 34.
  • the outer surface 74 possibly has openings 62 with shapes producing a shading effect.
  • the sleeve 34 substantially entirely covers the brush 32.
  • the core 50 is inserted into the central hole 60.
  • At least a portion of the bristles 52 of the brush 32 protrude outside the sleeve 34 through the openings 62, by extending radially away from the surface 74.
  • the sleeve 34 has a proximal portion 80 located longitudinally facing the distal region 40 of the rod 30, once assembled on the rod 30.
  • the proximal portion 80 of the sleeve 34 is able to slide in two opposite directions D1 , D2 along the axis A-A' with respect to the distal region 40 of the rod 30 on a travel at least equal to the transverse span of a bristle 52, before attachment of the sleeve 34 on the rod 30.
  • the sleeve 34 has a radial span, taken in cross-section from its central axis, less than the length of the bristles 52, taken from the core 50.
  • This radial span is for example less than 4 mm and is advantageously between 1 mm and 3 mm.
  • a brush 32 is assembled at the end of the rod 30.
  • the core 50 is partially inserted into the axial housing 42 at the distal end of the rod 30.
  • the brush 32 partially protrudes axially along the axis A-A' with respect to the rod 30.
  • the sleeve 34 is engaged around the brush 32, by displacing the sleeve 34 according to a first direction D1 along the axis A-A' towards the proximal end of the rod 30.
  • the brush 32 is inserted into the central hole 60 through the axial opening 72.
  • At least a portion of the bristles 52 then exit the hole 60 through the openings 62 in order to protrude radially beyond the outer surface 74.
  • the sleeve 34 is displaced according to a second direction D2 along the axis A-A', opposite the direction D1 , away from the proximal end of the rod 30, as illustrated in figure 5.
  • the sleeve 34 is again displaced in the direction D1 .
  • the proximal portion 80 is engaged again around the distal region 40.
  • the distal end of the core 50 enters into the end segment 70 and is fixed therein via wedging.
  • the proximal portion 80 is then advantageously radially crimped around the distal region 40.
  • the sleeve 34 is then solidly fixed on the rod 30.
  • the bristles 52 then protrude as separate tufts through each opening 62.
  • the user grasps the gripping member 16, and extracts the rod 30, then the brush 32 covered by the sleeve 34 out of the container 12, advantageously through the wiping member 22.
  • Cosmetic product is then retained on the tufts of bristles 52, and advantageously on the outer surface 74 of the sleeve 34. Then, the user displaces the sleeve 34 and the tufts of bristles 52 towards the keratin fibers whereon the product is to be applied.
  • the distal region 40 of the rod 30 of a second applicator 14 according to the invention is illustrated in figure 7.
  • the distal region 40 comprises a first converging segment 90 and a second segment 92 with a constant cross-section.
  • the proximal portion 80 of the sleeve 34 is preferably crimped on the second segment 92.
  • the distal region 40 of the rod 30 of a third applicator 14 according to the invention is illustrated in figure 8. Unlike the one illustrated in figure 3, the distal region 40 has a constant cross-section that is substantially equal to that of the proximal region 38.
  • the proximal portion 80 of the sleeve 34 remains crimped on the distal region 40.
  • the sleeve 34 of a fourth applicator 14 according to the invention is illustrated in figure 9. Unlike the one illustrated in figure 3, the sleeve 34 does not have a head 66.
  • the central hole 60 opens axially by a distal axial opening 94.
  • the axial opening 94 enables the relative displacement of the sleeve 34 with respect to the rod 30 along the axis A-A' according to the opposite directions D1 and D2, between a first position, away from the proximal end of the rod 30, wherein the distal end of the core 50 is entirely received in the hole 60, and a second position, close to the proximal end of the rod 30, wherein the distal end of the core 50 protrudes axially outside of the hole 60 through the opening 94.
  • the applicator 14 further comprises a cover 96, force-fitted onto the sleeve 34 in the opening 94, in order to cover the distal end of the core 50.
  • the cover 96 has a proximal segment 97 inserted into the hole 60.
  • the proximal segment 97 defines a housing 98 receiving the distal end of the core 50.
  • the sleeve 14 has passage openings 62 which are elongated along the axis A-A'.
  • the length of the passage openings 62, taken along the axis A-A', is greater than their width.
  • the openings 62 extend parallel to the axis A-A'. In an alternative embodiment, they are inclined, for example by an angle less than 45°, with respect to the axis A-A'.
  • the sleeve 34 of a seventh applicator 14 according to the invention is shown in figure 1 1 .
  • the sleeve 34 comprises a first surface 100 that has openings 62 in the form of transverse slots, and an opposite surface 101 that has openings 62 with shapes different from those of the openings 62 of the first surface 100, for example circular shapes.
  • the presence of the first surface 100 and of the opposite surface 101 makes it possible to successively use each one of the surfaces 100, 101 in contact with the keratin fibers, in order to obtain a shaping effect and product application that is different according to the surface 100, 101 .
  • the sleeve 34 of an eighth applicator 14 according to the invention is illustrated in figure 12.
  • the openings 62 are formed by shapes elongated transversally with respect to the axis A-A' of extension of the sleeve 34.
  • the outer cross-section of the sleeve 34 decreases progressively along the axis A-A', until the rounded distal end of the sleeve 34.
  • the sleeve 34 of a ninth applicator 14 comprises a proximal portion 102 with a substantially constant cross-section and a distal portion 104 with a cross-section decreasing towards the rounded distal end of the sleeve 34.
  • the sleeves 34 of the applicators 14 illustrated in figures 14 and 15 differ from the one represented in figure 13 in that the proximal portion 102 has a cross-section increasing towards the distal end of the sleeve 34.
  • the sleeve 34 represented in figure 14 has an angular transition 106 between the portions 102, 104 and a general lozenge shape.
  • the sleeve 34 represented in figure 15 comprises a gentle transition 106 and a general goatskin shape.
  • a variant applicator 14 according to the invention is shown in figure 17.
  • the rod 30 has a proximal region 38 and a distal region 40 which delimit between them a transverse shoulder 200.
  • the distal region 40 thus has a cross-section with an area less than that of the cross-section of the proximal region 38.
  • the distal region 40 externally comprises an axial retention protrusion 202 of the sleeve 34.
  • the protrusion 202 is formed by an annular bead that radially protrudes from the distal region 40.
  • the proximal portion 80 of the sleeve 34 defines an inner housing 204 for receiving the protrusion 202.
  • the housing 204 is preferably of a shape complementary to that of the protrusion 202.
  • the assembling of the applicator 14 described in figure 17 differs from the assembling of the applicator 14 described in figure 2 in that the brush 32 is introduced into the sleeve 34 before attaching the brush 32 on the rod 30.
  • the brush 32 carries out a first relative displacement with respect to the sleeve 34 towards the bottom of the sleeve 34 then a second displacement in the opposite direction in order to extract the bristles 52 outside of the openings 62.
  • a third displacement towards the bottom of the sleeve 34 is then advantageously carried out.
  • a unit in a single piece comprising the sleeve 34 and the brush 32 mounted in the sleeve 34 is thus obtained.
  • the assembly comprises a final step of inserting the core into the axial housing 42 and of inserting the protrusion 202 into the housing 204.
  • the sleeve 34 is then wedged against the shoulder 200, in contact with the latter.
  • the external peripheral surfaces of the rod 30 and of the sleeve 34 are flush.
  • a radial die stamping is then advantageously carried out in order to maintain the sleeve 34 and the brush 32 fixed on the rod 30.
  • FIG. 1 Another variant applicator 14 according to the invention is illustrated in figure 18.
  • tubular sleeve 34 is mounted on the rod 30 by an intermediate member 220 inserted into the axial housing 42 located at the end of the rod 30.
  • the intermediate member 220 is for example formed by a bar. It has a distal portion 222 which protrudes axially outside of the housing 42 beyond the end of the rod 30.
  • the distal portion 222 delimits an additional axial housing 224 for attaching the brush 32.
  • the core 50 of the brush 32 is inserted into the inner axial housing 224.
  • the intermediate member 220 is maintained by radial clamping in the axial housing 42.
  • the core 50 of the brush 32 is blocked in the additional axial housing 224 by radial clamping of the proximal portion 80 of the sleeve, through an edge protruding radially towards the central axis of the sleeve 34.
  • the method for assembling the applicator 14 represented in figure 18 differs from that represented in figure 3 in that the brush 32 is first of all mounted on the intermediate member 220.
  • the brush 32 is then inserted into the sleeve 34, in order to extract its bristles 52 radially through the passage openings 62.
  • the tubular sleeve 34 is displaced relatively on the brush 32 in a first direction, then in a second direction opposite the first direction, and possibly again in the first direction.
  • the sleeve 34 is fixed by clamping on the intermediate member 222.
  • a rod 30 is then provided.
  • a proximal portion 226 of the intermediate member 220 is introduced into the axial housing 42 at the end of the rod 30, advantageously until the proximal portion 80 of the sleeve abuts against the distal end of the rod 30.
  • the intermediate member 220 is then firmly fixed in the rod 30 by radial clamping.
  • the sleeve 34 is firmly fixed on the intermediate member by radial clamping.
  • the mounting of the sleeve 34 around the brush 32 is therefore simplified, since the relative displacement of the brush 32 with respect to the sleeve 34 in order to extract the bristles 52 through the passage openings 62 is carried out without moving the rod 30, advantageously prior to the supplying of a rod 30, for example separately in two different production units.
  • the unit formed by the sleeve 34 mounted around the brush 32 is then assembled onto the rod 30 by means of the intermediate member 220.

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  • Brushes (AREA)

Abstract

L'invention concerne un applicateur de produit cosmétique et un procédé de production associé. L'applicateur de produit cosmétique comprend : une tige (30) ; une brosse (32) montée à l'extrémité de la tige (30), ladite brosse (32) comprenant une partie centrale (50) et des poils (52) faisant saille depuis la partie centrale (50). L'applicateur comprend en outre : un manchon tubulaire (34) monté sur la tige (30) en dehors de la brosse (32), le manchon tubulaire (34) délimitant une pluralité d'ouvertures de passage (62) pour les poils (52), qui débouchent dans une surface extérieure du manchon tubulaire (34), les poils (52) de la brosse (32) faisant saillie à travers les ouvertures de passage (62), et la surface totale des ouvertures de passage (62) étant inférieure à 50%, en particulier inférieure à 40% de la superficie totale de la surface extérieure du manchon tubulaire (34).
EP15718197.5A 2014-04-18 2015-04-17 Applicateur de produit cosmetique et procede de production associé Withdrawn EP3131428A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1453552A FR3019975B1 (fr) 2014-04-18 2014-04-18 Applicateur de produit cosmetique, et procede de fabrication associe
FR1453559A FR3019976B1 (fr) 2014-04-18 2014-04-18 Procede de fabrication d'un applicateur de produit cosmetique
PCT/EP2015/058422 WO2015158909A1 (fr) 2014-04-18 2015-04-17 Applicateur de produit cosmetique et procede de production associé

Publications (1)

Publication Number Publication Date
EP3131428A1 true EP3131428A1 (fr) 2017-02-22

Family

ID=52998132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15718197.5A Withdrawn EP3131428A1 (fr) 2014-04-18 2015-04-17 Applicateur de produit cosmetique et procede de production associé

Country Status (2)

Country Link
EP (1) EP3131428A1 (fr)
WO (1) WO2015158909A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3060956B1 (fr) * 2016-12-22 2020-12-25 Chanel Parfums Beaute Applicateur de produit cosmetique presentant des orifices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8437528U1 (de) * 1984-12-21 1985-03-28 Kiefner, Georg, 5000 Köln Haarbuerste
DE3602052A1 (de) * 1986-01-24 1987-07-30 Trisa Buerstenfabrik Ag Rundbuerste
JPS62123722U (fr) * 1986-01-29 1987-08-06
US7909043B2 (en) * 2005-05-06 2011-03-22 Avon Products, Inc. Brush for applying a cosmetic product
FR2939289B1 (fr) * 2008-12-10 2012-12-14 Oreal Dispositif de conditionnement et de distribution d'un produit cosmetique.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2015158909A1 *

Also Published As

Publication number Publication date
WO2015158909A1 (fr) 2015-10-22

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