EP3986207A1 - Applicateur doté de moyens spéciaux pour le stockage et l'application de masse - Google Patents

Applicateur doté de moyens spéciaux pour le stockage et l'application de masse

Info

Publication number
EP3986207A1
EP3986207A1 EP20732634.9A EP20732634A EP3986207A1 EP 3986207 A1 EP3986207 A1 EP 3986207A1 EP 20732634 A EP20732634 A EP 20732634A EP 3986207 A1 EP3986207 A1 EP 3986207A1
Authority
EP
European Patent Office
Prior art keywords
rod
core
cosmetic applicator
pins
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Withdrawn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
EP20732634.9A
Other languages
German (de)
English (en)
Inventor
Florian LÖSCH
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.)
Geka GmbH
Original Assignee
Geka GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geka GmbH filed Critical Geka GmbH
Publication of EP3986207A1 publication Critical patent/EP3986207A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
    • 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
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • 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
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing

Definitions

  • the invention concerns an applicator according to the preamble of claim 1.
  • This mass storing capacity is an important benchmark for cosmetic applicators.
  • the problem to be solved is to make an applicator organ available which has a clearly enhanced mass storing capacity compared to known applicators and its organs .
  • a cosmetic applicator for applying cosmetics to keratin fibers with a core extending along a longitudinal axis.
  • This core carries at least one and preferably more
  • Said application bodies to form together with it the application organ.
  • Said application bodies are formed, each, by a rod carrying pins.
  • Said rod extends from the core - that means that those portions of the rod, which are apart from the anchoring point (s) of the rod, are distant to the core of the applicator organ. It can be said for most cases that the major length of the or of each rod's longitudinal axis extends crookedly (in German: "windschief" ) to the longitudinal axis of the core.
  • the rod carries a number of pins extending, preferably straight, away from the rod. All or preferably at least a part of said pins directly protrude into the interstice between the rod and the core.
  • said rod takes, at least section-wise, a position which is distant and opposite from the core.
  • section pins are provided, that extend from the rod in radial inward direction and not in radial outward direction as usual when being implanted in or fixed to a conventional core.
  • the pins - carried by one or more of said rods used for improving mass storage capacity - are grouped that way that they form one or more crowns .
  • a crown is formed by a set of pins which are positioned all in one and same geometrical plane and which extend from a common center into all directions of said plane - in a fashion like the rays of a planar straw star do. Even if this is not the preferred arrangement, the pins can theoretically be modified that way that there is an offset between neighbored pins in this straw-star-like arrangement. That would mean in the end that the longitudinal axes of the set of pins forming a crown are
  • Such a crown-like arrangement has the advantage that the pins do not only protrude into the interstice between the rod and the core. Instead, every crown provides a number of pins, too, that protrude essentially in radial outward direction. Said pins can directly be used for applying cosmetics to the application area or - for example - to separate lashes. It has turned out as a considerable advantage to suspend such a crown as a whole flexibly. That way it is possible to bring, for example, those pins that protrude in radial outward direction in contact with the application area. That way it is possible to move the whole crown into radial inward direction. This movement - even if it may be rather small in the individual case - releases at once a certain amount of the cosmetic mass stored in the interspace between the rod and the core.
  • each crown is preferably formed by a plurality of preferably at least 4 or better 8 to 24 pins which extend into different directions away from the rod, preferably from each rod.
  • each crown is preferably formed by a plurality of preferably at least 4 or better 8 to 24 pins which extend into different directions away from the rod, preferably from each rod.
  • the crowns are preferably positioned equidistantly along the rod, preferably along each rod.
  • a rod is section-wise straight, whereas preferably all rods are straight that way. This rule will in particular apply if the core of the applicator has a polygonal cross-section or a cross-section of triangular or rectangular shape .
  • the rod is - preferably
  • all rods are curved that way. If the rods show such a curvature, the bending capacity in direction to the longitudinal axis of the core is in most cases extremely good. Moreover, such rods show a considerable bending capacity in radial inward direction while the rod is not too soft in that regard.
  • the applicator is designed that way that the longitudinal axis of a rod is curved along a line extending partially or fully around the core. However, in most cases an only partial curving around the core is clearly
  • said line of curvature is preferably a helical line or at least a line extending oblique (and not rectangular) to the longitudinal axis of the applicators core. That way a particular application behavior can be awarded to the applicator, as follows. This especially applies if the applicator is a mascara applicator. If such an applicator is positioned with its core axis exactly in front of the lashes bow - essentially parallel to it the lashes cannot easily intrude into the interspaces between the neighbored rods, since these interspaces are essentially oblique to the longitudinal axis of the individual lashes.
  • the cosmetic applicator carries only such rods which have a mean diameter that is smaller than the mean diameter of the core.
  • the mean diameter of the pins carried by the rods is smaller than the mean diameter of the rods. That way the required flexing
  • each rod is flexible in an extent that it can be moved, at least along the majority of its length, at least 1 mm, often at least 1.5 mm, in radial inward direction, i.e. toward the core without being deprived from its ability to freely move back into its unbiased position after release.
  • the manufacturing of the inventive applicator is most effective if the core, the rod, and the pins are integrally made out of a polymer material.
  • the preferred manufacturing method is an additive manufacturing method.
  • the pins forming the crowns are in most cases somewhat shorter than well-known pins made by injection moulding.
  • the application tests have turned out that the bending behavior of the pins despite their short design can be optimized by providing the pins with a conical shape of its jacket.
  • the core is curved, preferably constantly. If the core itself is curved, and in particular if the inventive rods are provided on the convex side of the core's jacket, than the squeezing out of stored cosmetic mass works particularly good - since it is very easy to deform the set of rods only locally and not along the whole or a major length of the applicator organ.
  • the core has at least two opposite lateral sides that are flat. This is particularly beneficial if the flat sides are embodied and dimensioned that way that they can be used like a spatula, for example for the purpose of even distribution of cosmetic mass over a bigger application surface area.
  • each rod is interconnected at its both longitudinal ends with the core.
  • the core carries - in addition to said rods and its pins - at least one field of straight bristles extending directly from the core in radial outward direction.
  • Figure 1 shows a first embodiment of an inventive applicator, seen frontally from its lateral side.
  • Figure 2 shows the applicator according to Figure 1 with a view onto its left-hand side, essentially along the longitudinal axis.
  • Figure 3 shows the applicator according to Figure 1, seen from the front of the distal end along the longitudinal axis.
  • Figure 4 shows the applicator according to Figure 1 with a view onto its right-hand side, essentially along the longitudinal axis .
  • Figure 5 shows an enlarged cutout of the distal end of the applicator according to Figure 1.
  • Figure 6 shows an enlarged cutout of a middle portion of the applicator shown by Figure 1.
  • Figure 7 shows a second embodiment of an inventive applicator, seen frontally from its lateral side.
  • Figure 8 shows an enlarged cutout of the distal end of the applicator according to Figure 7.
  • Fig. 9 shows a front view of the applicator according to Figure
  • Figure 1 gives the best overview over the first inventive embodiment .
  • the applicator 1 possesses a core 2 which is carrying at least one and usually several application bodies 3, 4.
  • the core 2 extends along a longitudinal axis L.
  • each of the application bodies 3, 4 is formed by a rod 3 which itself carries pins 4.
  • this embodiment has a core 2 with a longitudinal axis that is curved, preferably continuously curved in one direction.
  • the core 2 is preferably integrally connected with a coupling element 5. In other cases the core can directly merge into a stem (not
  • each of the rods 3 being a part of the application body 3, 4 are curved in one direction. In most cases the rods are continuously curving. That is clearly preferred since it grants an even application result. However, for some applications it is also possible that each of the rods 3 comprises at least one straight section, or that each of the rods 3 is formed by a number of straight sections being associated with each other, for example like a whereas an integral association is preferred.
  • each of the rods 3 fully wraps the core 2 and none of the rods coils at least one time fully around the core 2.
  • each of the rods 3 begins here with its one end at the first lateral flank of the core 2, whereas the second end of the rod terminates at the essentially or fully opposite second lateral flank of the core 2, see for example Figure 3.
  • the core 2 may show an essentially or fully polygonal or - preferred - a rectangular cross section. This makes the design most effective. However, minor demanding versions can also have a core 2 with a circular or an oval cross-section. In most cases both ends of the rod 3 are connected to the core 2.
  • Particular embodiments may use - rather seldom - a rod 3 or rods 3 having only one end that is fixed to the core 2, while the other end is free.
  • the rods 3 and the core 2 are interconnected to each other, they are made (preferred) integrally from one single or, maybe, integrally from different polymer materials.
  • the core 2 is essentially stiff.
  • the core can have a substantial elasticity.
  • the elasticity is tuned that way that the distal tip of the core can be moved for at least 3 mm in one direction of the arrow B, under the impact of the regular application forces and without
  • the inventive rods 3 are typically flexible. In most cases the rods can reversibly flex under the influence of the regular application forces laterally back and forth in direction of the core's longitudinal axis L, see Figure 5, double arrow C.
  • this flexing in direction of the longitudinal axis amounts to at least 1 mm, better up to at least 2 mm in one single direction of the arrow C.
  • the rods can reversibly flex in radial inward direction of the arrow E that is shown by Figure 6 - in most cases additionally to the flexing in longitudinal direction illustrated by Figure 5. That means that the two bending activities in longitudinal and in radial direction can supersede each other.
  • the reversible, fully elastic flexing in radial inward direction is so pronounced that those pins 4 of the outermost crown, which point in radial direction toward the core 2, can be brought into contact with the core 2 by elastically flexing the rod 3 carrying this crown.
  • the flexing of the rod 3 pointed out to this point easily allows to squeeze out cosmetic mass, into a position easy to apply, by doing no more than flexing the rods 3. That means stored cosmetic mass can be made available by flexing those rods which store the cosmetic mass in the interstice between them and the core 2 of the applicator.
  • the rods 3 have a longitudinal axis LL (see Figures 5 and 6) that is oblique and not parallel to the longitudinal axis L of the core 2. In most cases the longitudinal axis LL of the rods forms a part of a helical line that locally extends around a portion of the core 2.
  • the majority of the rods 3 and in most cases all rods 3 are designed that way that they carry the pins 4, which are assigned to it, in the shape of crowns 7.
  • a crown 7 is characterized in that it is formed by pins 4 whose roots are positioned along one and the same circular line around the jacket of the carrying rod 3. This is shown by Figs 5 and 6.
  • each of the crowns 7 comprises at least 6 pins that extend radially from the rod 3 in different directions. It is a very effective solution if the number of pins per crown 7 is
  • each of the pins 4 has the shape of a cone with a diameter steadily increasing from the free end of the pin to the root of the pin.
  • inventive type carries a number of pins 4 which extend away, preferably in radial direction, from the rod 3 directly into the interstice 6 between the rod 3 and the core 2.
  • These pins 4 form obstacles that extend into the interstice 6 between the rod 3 and the core 2. That way the pins 4 contribute to increase the amount of cosmetic mass that can firmly be held back "ready for use” between the concerned rod 3 and the core 2 until it is squeezed out for application.
  • outside distance H is the distance two crowns 7 have at the outermost circumference of a rod 3.
  • FIG. 3 A very special design option is illustrated by Fig. 3.
  • each of the crowns 7 formed by the set of pins 4 of the next following rod 3 has a lateral offset to the accordingly positioned crown carried by the preceding rod 3. If one looks at such an embodiment of the inventive applicator, one sees that crowns 7 being positioned subsequently in longitudinal direction of the core 2 form a helical line S extending around the
  • grooves 8 are formed that extend helically around the core. Preferably, these grooves extend essentially orthogonally along the longitudinal axis LL of the rods 3.
  • bristles 9 extend preferably in substantially radial direction away from the core's longitudinal axis L.
  • the bristles 9 are preferably injection moulded bristles. With this bristle covering it is possible to pick up and to apply that cosmetic mass that has been squeezed out and transported out of the storage area formed by the inventive rods 3 carrying the pins 4, or the crowns 7 of pins 4.
  • the separation area 10 can be designed that way that it steadily broadens from the proximal end of the applicator 1 towards the free distal end of the applicator.
  • the core has a free distal end face which carries preferably a number of rows of conventional bristles 9 which extend parallel to the core's longitudinal axis L, or come close with the longitudinal axis of the core, with an angle of less than 25°.
  • additional bristle covering offers the option to perform locally restricted application operations, for example in the sense of correcting or completing the
  • the second embodiment essentially is identical to the first embodiment so that all details discussed and described for the first embodiment apply for this second embodiment accordingly.
  • the core 2 is provided with a very particular design.
  • the core as such has an elongated flat design which comes very close to the design of the spatula.
  • Such a core has two capital flanks 11 and two ancillary flanks 12, all extending along the longitudinal axis of the core.
  • Said elongated flat design of the core can be called "sword-like.
  • one ancillary flank 12 forms a concave area. This concave area is overspanned by a number of rods 3 which start on one first capital flank 11, and which terminate at the opposite second capital flank 11.
  • the second and opposite ancillary flank 12 carries a number of bristle rows, preferably 2 or 3 bristle rows.
  • Said second ancillary flank 12 can also have at least a slightly concave shape.
  • the core is waisted that way that it has its smallest average diameter approximately half way between its free distal end and its proximal end transitioning into the coupling 5. It can be an advantage, if the core is designed that way that it can be bent around the bending axis lying in the plane (or parallel thereto) of one of the capital flanks 11, while it cannot be bent around the bending axis lying in the plane of an ancillary flank 12 (or parallel thereto) .
  • the distal front is also covered by bristles since the bristle rows covering the second ancillary flank 12 are continued around the distal front, which is preferably fully rounded for that purpose so that it can have the shape of a semi-circle.
  • the separation area 10 can be comfortably be used as a spatula for distributing the cosmetic mass over a bigger area.
  • the maximum average diameter of the core is at least 6 times bigger than the maximum average diameter of a rod, whose maximum average diameter is at least 4 times bigger than the maximum average diameter of a pin .
  • each of the rods 3 encircles the core 2 more than 180°.
  • the construction claimed by now can be improved that way that the curvature radius of the constantly curved rod 3 is equal or bigger than the distance H between two neighbored rods .

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne un applicateur cosmétique permettant d'appliquer des produits cosmétiques sur des fibres de kératine. Un noyau s'étend le long d'un axe longitudinal et un ou, de préférence, plusieurs corps d'application sont chacun formés par une tige portant des broches. Ladite tige s'étend à partir du noyau, et l'applicateur est conçu de telle sorte que ladite tige porte un certain nombre de broches s'étendant à l'opposé de la tige directement dans l'interstice entre la tige et le noyau.
EP20732634.9A 2019-06-24 2020-06-18 Applicateur doté de moyens spéciaux pour le stockage et l'application de masse Withdrawn EP3986207A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19182092 2019-06-24
PCT/EP2020/067016 WO2020260135A1 (fr) 2019-06-24 2020-06-18 Applicateur doté de moyens spéciaux pour le stockage et l'application de masse

Publications (1)

Publication Number Publication Date
EP3986207A1 true EP3986207A1 (fr) 2022-04-27

Family

ID=67003329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20732634.9A Withdrawn EP3986207A1 (fr) 2019-06-24 2020-06-18 Applicateur doté de moyens spéciaux pour le stockage et l'application de masse

Country Status (2)

Country Link
EP (1) EP3986207A1 (fr)
WO (1) WO2020260135A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100820076B1 (ko) * 2007-01-28 2008-04-07 (주)씨피아이케이알 마스카라 브러시
JP5354644B2 (ja) * 2008-06-04 2013-11-27 東京パーツ株式会社 液塗布具
KR20100043532A (ko) * 2008-10-20 2010-04-29 (주)장업시스템 마스카라 어플리케이터
FR2958130B1 (fr) * 2010-03-30 2012-06-08 Oreal Applicateur pour appliquer un produit sur les cils et/ou sourcils.
FR3053581B1 (fr) * 2016-07-07 2019-08-02 Chanel Parfums Beaute Applicateur de produit cosmetique
FR3070842B1 (fr) * 2017-09-12 2021-07-16 Oreal Applicateur cosmetique

Also Published As

Publication number Publication date
WO2020260135A1 (fr) 2020-12-30

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