WO2004060103A2 - Brosse applicateur de produit cosmétique - Google Patents

Brosse applicateur de produit cosmétique Download PDF

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Publication number
WO2004060103A2
WO2004060103A2 PCT/US2003/041371 US0341371W WO2004060103A2 WO 2004060103 A2 WO2004060103 A2 WO 2004060103A2 US 0341371 W US0341371 W US 0341371W WO 2004060103 A2 WO2004060103 A2 WO 2004060103A2
Authority
WO
WIPO (PCT)
Prior art keywords
bristles
zone
brush
per turn
brash
Prior art date
Application number
PCT/US2003/041371
Other languages
English (en)
Other versions
WO2004060103A3 (fr
Inventor
John Kurek
Original Assignee
Avon Products, Inc.
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 Avon Products, Inc. filed Critical Avon Products, Inc.
Priority to AU2003299964A priority Critical patent/AU2003299964A1/en
Publication of WO2004060103A2 publication Critical patent/WO2004060103A2/fr
Publication of WO2004060103A3 publication Critical patent/WO2004060103A3/fr

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
    • 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
    • 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

  • This invention relates to a brush for applying a cosmetic product.
  • the invention particularly relates to a mascara brush having desirable application characteristics for applying mascara to the eyelashes.
  • the brush has at least two distinct zones, more preferably it has at least three distinct zones.
  • the invention additionally relates to a process for producing such brushes and to a novel picker bar utilized in the process.
  • Eye makeup applicator brushes particularly brushes for applying mascara to the eyelashes
  • such brushes are well known in the art.
  • Such brushes are produced by first bending a wire to form a U-shaped loop.
  • Brush bristles retained within the grooves of a picker bar are then transferred to and disposed within and normal to the legs of the U- shaped wire loop.
  • the base, i.e., the open ends, of the U-shaped wire With the base, i.e., the open ends, of the U-shaped wire in fixed position, e.g., secured in a brush handle, the legs of the U-shaped wire are twisted to secure the bristles in place. Any excess bristle material is then trimmed.
  • prior art brushes comprise rows of bristles disposed around an axial core or support in a helical pattern, for example, the helix (or spiral) formed by the twisting of the wire as described above.
  • the known brushes have various bristle configurations.
  • brushes having bristles of different lengths homogeneously disposed along the axial core, or brushes with the bristles of different lengths forming a specific geometric configuration, e.g., a cone, elliptical or other shaped brush, are known.
  • US Patent No. 5,482,059 discloses a mascara brush comprising a twisted wire core extending longitudinally and a plurality of bristles mounted to the twisted wire core.
  • the plurality of bristles comprise a middle cylindrical section containing a plurality of at least first and second different bristle types of relatively uniform length randomly intermingled throughout the length of the middle section.
  • the brush also contains two end sections that contain a third type of bristle.
  • the middle section is more densely packed than that of the two end sections.
  • US Patent No. 5,709,230 discloses a mascara brush comprising a twisted wire core that extends longitudinally and a plurality of bristles mounted to the twisted wire core.
  • the plurality of bristles comprise a middle cylindrical section containing a plurality of at least first and second different bristle types of relatively uniform length intermingled throughout the length of the middle section and two end sections containing a plurality of bristles comprising one of the first or second bristle types.
  • the middle section is less densely packed than at least one of the end sections.
  • the '059 and '230 patents disclose mascara brushes containing multiple distinct sections or zones throughout the length of the brush.
  • the sections are distinguished by the diameter, length, stiffness, and density of the bristles found in each section. This results in a variation in overall effective stiffness from zone to zone.
  • More than one type of bristle is employed in the mascara brushes of the '059 and '230 patents.
  • the middle section of the brushes of the '059 and '230 patents each incorporate stiff (or large diameter) bristles of irregular cross-section and soft (or small diameter) bristles of circular cross-sections. The stiffness of the stiff bristles in the middle section of these brushes results in a non-spiral arrangement of the stiff bristles projecting from the wire.
  • US Patent No. 6,394,678 discloses a brush for applying mascara comprising an axially elongated twisted wire core having a proximal end, a distal end and a length therebetween, and a brush body that projects outwardly around the core over a substantial part of the length of the core.
  • the brush body comprises at least one zone of fibers for combing eyelashes, such fibers being substantially non-absorptive to mascara, and at least one zone of material substantially absorptive to mascara.
  • the zones are disposed in succession along the length of the core.
  • Patentees teach that the absorptive material can be soft cotton fiber densely aggregated together.
  • the absorptive zone can have a substantially higher density or number of fibers per turn of the core wire than the number of fibers in the non-absorptive zone or zones.
  • US Patent No. 5,853,011 discloses a brush for application of a cosmetic product to keratinous fibers.
  • the brush comprises an elongated core and bristles extending substantially radially from the core.
  • the bristles define a part of a cylindrical envelope with a central axis. Bristles within the axial limits of the cylindrical envelope form at least one concave cutback and at least one crest zone on the cylindrical envelope.
  • the width of the concave cutback varies along the length of the brush and the concave cutback has a single maximum width.
  • Patentee discloses that the concave cutback can be situated in a zone with a low density of bristles while the end zones of the brush and the at least one crest zone can have a higher density of bristles.
  • PCT WO 95/17837 discloses a cosmetic product applicator brush that has a product application region and a lash separation region.
  • the brush comprises an elongate stem having a distal end, a handle attached at the opposite end of the stem and a plurality of bristles extending generally radially from near the distal end of the stem, preferably at the distal end of the stem.
  • the bristles of the brush in the product deposition section have a relatively low average bristle density, as compared to the average bristle density of the lash separation section.
  • the average bristle length of the bristles within the product deposition section is relatively small, as compared to the average bristle length of the bristles in the lash separation section.
  • US Patent No. 4,887,622 discloses a brush for the application of mascara to the eyelashes.
  • the brush comprises a center core formed from a twisted wire holding a helical array of regularly disposed bristles, with a bristle diameter of from 0.10 to 0.25 mm and with from approximately 10 to 40 bristles per turn of the helix.
  • Patentee discloses that the bristles of the free end of the brush can be more densely arranged for making up the lashes of the lower eyelid.
  • the patentee asserts that even deposition of the mascara on the eyelashes is obtained by reducing the number of fibers from the typically employed 50 to 60 bristles per turn, to 10 to 40 bristles per turn.
  • the brush of the present invention comprises a handle, a central core that is a spirally wound U-shaped wire having a plurality of turns, the wire having free ends attached to the handle and a tip end distal of the handle, and a plurality of bristles of a single type held within and extending substantially radially from the central core, the bristles being arranged to provide at least two zones: a first zone having a predetermined range of bristles per turn and a second zone having a predetermined range of bristles per turn, wherein the predetermined range of bristles per turn in the first zone is greater than the predetermined range of bristles per turn in the second zone, and wherein the second zone is most distal to the handle.
  • single type is meant that substantially all of the fibers are approximately uniform in width and, preferably, in length as well.
  • the brush of the present invention further comprises a third zone having a predetermined range of bristles that is less than or more than the predetermined range of bristles in the first zone, and which is proximate the handle. That is, the first zone of bristles is a middle zone situated between the second zone (distal the handle) and the third zone (proximate the handle). In a preferred embodiment, the first and third bristle zones have the same predetermined range of bristles per turn. In an alternative embodiment, each of the three zones has a different predetermined range of bristles per turn.
  • the present invention also comprises a unique picker bar comprising an elongated end having a front surface, a rear surface, and a top surface.
  • the top surface comprises at least two zones, each zone having one or more grooves (or channels) adapted to receive bristles, each zone of the picker bar corresponding to a bristle zone of the brush of the present invention.
  • Each groove of the picker bar zone corresponding to the first zone of the brush i.e., the zone of the brush of greater range of bristles per turn
  • the picker bar may have a third zone (and additional zones) corresponding to the third bristle zone (and additional bristle zones) of the brush.
  • the process of making the brush of the present invention comprises placing a plurality of bristles of a single type within grooves of the picker bar of the present invention normal to the front surface thereof; providing a U-shaped wire having a closed end and two free ends, each of closed end and the free ends being held; transferring the bristles from the picker bar of the present invention to within the space defined by the U- shaped wire, and twisting the wire, whereby the bristles are held within the wire and extend substantially radially therefrom.
  • Figure 1 is a side view of a mascara brush produced in accordance with the present invention through use of the picker bar of Figure 2.
  • Figure 2 is a side view of a picker bar of the present invention used in producing the brush of Figure 1.
  • Figures 3 and 4 are side views of different embodiments of picker bars used in producing the brush of the present invention.
  • the brush 10 of the present invention shown generally in Figure 1 comprises handle 15, a central core that is a spirally wound U-shaped wire 20 having a plurality of turns 22, the wire having free ends 23 attached to the handle and a tip end 24 distal of the handle, and a multiplicity of bristles 25.
  • the bristles 25 extend substantially radially from the wire 20. That is, the bristles 25 are generally normal to the wire 20.
  • bristles contained in the brush of the present invention are arranged in at least two zones.
  • the brush 10 has bristles 25 arranged in three zones 30, 40, 50.
  • bristle zone 40 is characterized as having a greater range of bristles 25 per turn than bristle zone 30 located at the tip 24 of wire 20.
  • bristle zone 30 may have a greater range of bristles per turn than bristle zone 50, preferably it is a smaller or an equal range of bristles per turn. Most preferably the range of bristles per turn in zone 30 is the same as present in zone 50.
  • the range of bristles per turn of the wire 20 in bristle zone 40 is from about 50 to about 120 bristles, preferably from about 70 bristles to about 90 bristles, and most preferably from about 80 bristles to about 90 bristles, per turn. More than one bristle zone of high density may be incorporated into the brush 10 of the present invention. As explained below, it is permissible for each bristle zone, here the bristle zone 40 of high bristle density, to have variations in the number of bristles in each turn of the wire, provided that the number of bristles in each turn is within the predetermined range for that bristle zone. These turn-to-turn variations may be inherent in the manufacturing process, but can also be built into the manufacturing process by proper design of the picker bar 100.
  • Bristle zones 30 and 50 of brush 10 preferably have essentially the same range of bristles per turn, as a consequence of the design of the picker bar 100, described below. However, the range of bristles per turn in bristle zones 30 and 50 may differ. In the embodiment of the brush 10 shown in Figure 1, the range of bristles 25 in the bristle zones 30 and 50 is less than the range of bristles 25 present in bristle zone 40. Thus, bristle zones 30 and 50 are zones of less bristle density.
  • the range of bristles 25 in each of bristle zones 30 and 50 is from about 20 to about 80 bristles, preferably from about 40 bristles to about 65 bristles, and most preferably from about 50 bristles to about 60 bristles, per turn.
  • Each zone of the brush generally has from 1 to 20, preferably 4 to 10, and especially 5 to 8, turns 22 of the wire 20.
  • the brush 10 generally has 10 per 25 turns per linear inch, preferably 15 to 20 turns per linear inch.
  • handle is intended to encompass any device or implement adapted to hold the mascara brush and to enable the user to manipulate it for application of mascara to the eyelashes.
  • the brush can be affixed to the closure for a container adapted to hold mascara.
  • Twisted wire, fiber mascara brushes of the present invention may be manufactured as follows: A spool of stainless steel wire generally having a diameter of 0.0240" to 0.0320" is bent and thereafter cut to form a "U"-shaped wire having two free ends and a closed tip end. The U-shaped wire is also referred to as a clip.
  • the U-shaped wire clip is received by collets that hold the open ends and the closed end of the U-shaped wire clip in such manner that the clip maintains an open configuration, i.e., an open space between the legs of the U-shaped wire clip.
  • the open configuration is approximately 1/4" at the open end and 1/16" at the closed or bent end.
  • the brush bristles or fibers are stored in a fiber tower.
  • the fibers are conventionally supplied in hank-form, i.e., the fibers are wrapped in a paper or plastic wrap with the hank diameter being approximately 1 3/4".
  • the hank is manually cut into smaller sections or "pucks" which are approximately 1" in length.
  • the pucks are loaded into the fiber tower and the wrapping material is removed leaving the fiber in the fiber tower in a flat horizontally stacked configuration.
  • a "picker bar” or “rake” is slid across the base of the fiber tower.
  • a suitable picker bar for use in the process of making the brush of the present invention is picker bar 100 shown in Figure 2, which is a hardened steel bar approximately 11" long, 1/4" wide and 7/16" in diameter.
  • the picker bar has a series of rectangular grooves or channels cut into one side of the bar. Conventionally, the grooves are equidistant in spacing and equal in width and depth.
  • the picker bar 100 however, has grooves of different bristle fill capacity as described in more detail below.
  • the grooves then fill with bristles, the bristles being positioned in the grooves normal to the front surface of the bar.
  • the fibers are collected on the picker bar along its length, the distribution of fibers being related to the rill capacity of the grooves.
  • the collection of fibers is then anchored in place captured with a fiber clip or clamp.
  • the fiber clip then transfers the collection of fibers and inserts them into open space between the legs of the wire clip.
  • this fiber clip may be designed to replicate the fiber density differential along the length of the picker bar of this invention.
  • the fiber clip may also have corresponding grooves that coincide with the groove configuration of the picker bar. The fibers are then released from the fiber clip.
  • the collets holding the wire clip are rotated in opposing directions at speeds of approximately 100 to 250 rpm.
  • the wire clip is turned in a helical configuration, which captures the fibers and distributes them across a specified number of helical wire turns, with the fibers extending substantially radially from the wire.
  • a cutter blade may extend to symmetrically shape the brush and cut the bristles ends. The brush is ejected from the collets and the process is repeated to produce further brushes.
  • a picker bar of the present invention is shown in Figure 2.
  • Picker bar 100 is an elongated metal, typically steel, bar having a front surface 110, a rear surface (not shown) that is a mirror image of the front surface and a top surface 115.
  • a plurality of tooth-like grooves, generally identified by the numeral 120 that are uniform in depth through the width of the picker bar (from front surface 100 to the rear surface) are cut into the top surface 115.
  • the picker bar 100 can also be configured so that the tooth-like grooves are divided into two zones wherein at least one of the dimensions of width and depth of the grooves in one zone differs from that of the other zone.
  • the picker bar 100 can be divided into three groove zones; a middle zone 140 and two end zones 130 and 150.
  • the groove zones 130, 140 and 150 of picker bar 100 correspond to the bristle zones 30, 40 and 50, respectively, provided in brash 10 shown in Figure 1.
  • each of the grooves 120b in groove zone 140 have a greater cross-sectional area than each of the grooves 120a and 120c in the groove zones 130 and 150, respectively. That is, the larger grooves 120b have a greater bristle fill capacity than the smaller grooves 120a and 120c.
  • Figure 1 illustrates a brash 10 produced utilizing the picker bar 100 of Figure 2.
  • Bristle zones 30, 40 and 50 of the brush 10 shown in Figure 1 are produced by and correspond to the groove zones 130, 140 and 150 of picker bar 100 of Figure 2.
  • a brush By varying the width, depth and/or shape of the grooves in the picker bar across the length of the picker bar or in one or more zones on the picker bar, a brush can be produced that has one or more zones across the length of the brush, each zone having a desired predetermined bristle density. This is because wider or deeper grooves in the picker bar hold more bristles than narrower or shallower grooves. It is thus possible to vary the width, depth and/or shape of the grooves in the picker bar of this invention so that each picker bar groove will fill with the requisite number of bristles to form a brash having the desired predetermined configuration of bristle zones.
  • grooves 120a, 120b and 120c vary in width, but have the same depth.
  • the grooves 120e are both wider and deeper than grooves 120d and 120f.
  • grooves 120i are deeper than grooves 120h and 120g, and narrower than grooves 120h.
  • the grooves 120h are wider than grooves 120g and 120i.
  • anchoring means can optionally be employed so that when the U-shaped wire, with bristles inserted, is twisted through use of a first torque so as to produce a first predetermined number of turns, the twisted portion of the U-shaped wire is then anchored in position whereupon the remaining untwisted portion of the U-shaped wire is then subjected to a second torque, to produce a second predetermined number of turns using a second torque different from the first torque.
  • a second torque to produce a second predetermined number of turns using a second torque different from the first torque.
  • the bristles employed in the production of the brash of the present invention are composed of the same material across throughout the brash.
  • Preferred bristles are made of nylon and/or polypropylene. Other thermoplastic and elastomeric materials may also be used, as is known in the art.
  • the bristles typically have a diameter of about 0.01 mm to about 0.50 mm, preferably about 0.10 mm to about 0.25 mm. Preferably, the bristles have substantially the same diameter. Substantially all of the fibers are absorptive to mascara.

Landscapes

  • Brushes (AREA)

Abstract

L'invention concerne une brosse comprenant une partie centrale dotée d'une extrémité proximale conçue pour être fixée à des moyens de poignée et d'une extrémité distale définissant une pointe, un fil torsadé supportant un réseau hélicoïdal de poils disposés. Ladite partie centrale comprend au moins deux zones, et de préférence trois zones, l'une au moins des zones étant différente de l'autre ou des autres zone(s) par rapport à la plage de poils par tour l'hélice. On utilise un type de poil sur la longueur de la brosse, lesdits poils présentant de préférence un diamètre sensiblement uniforme sur la longueur de la brosse. Une barre de collecte à zones permet de produire des brosses présentant une configuration à zones prédéterminées.
PCT/US2003/041371 2002-12-31 2003-12-23 Brosse applicateur de produit cosmétique WO2004060103A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003299964A AU2003299964A1 (en) 2002-12-31 2003-12-23 Applicator brush for a cosmetic product

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43731902P 2002-12-31 2002-12-31
US60/437,319 2002-12-31

Publications (2)

Publication Number Publication Date
WO2004060103A2 true WO2004060103A2 (fr) 2004-07-22
WO2004060103A3 WO2004060103A3 (fr) 2004-11-04

Family

ID=32713168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/041371 WO2004060103A2 (fr) 2002-12-31 2003-12-23 Brosse applicateur de produit cosmétique

Country Status (2)

Country Link
AU (1) AU2003299964A1 (fr)
WO (1) WO2004060103A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172127A1 (fr) * 2008-10-06 2010-04-07 L'oreal Instrument pour appliquer un produit sur des phanères et procédé de fabrication afférent
EP2329744A1 (fr) 2009-12-02 2011-06-08 Alcan Packaging Beauty Services Brosse d'applicateur cosmétique
CN105451600A (zh) * 2013-08-02 2016-03-30 阿贝尔服务 用于化妆品的涂敷器以及相关的涂敷器组件
CN110248569A (zh) * 2017-01-31 2019-09-17 Elc 管理有限责任公司 包括螺线形段的模制刷毛刷

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404977A (en) * 1981-09-14 1983-09-20 The Bridgeport Metal Goods Manufacturing Company Cosmetics brush
US4598723A (en) * 1984-05-23 1986-07-08 Cole Rodney D Material applicator
US5357987A (en) * 1991-04-29 1994-10-25 Henlopen Manufacturing Co., Inc. Cosmetics brush with discontinous bristle face
US5709230A (en) * 1995-04-03 1998-01-20 E-L Management Corporation Triple zone mascara brush
US5722436A (en) * 1994-09-12 1998-03-03 Sanofi Applicator assembly for a cosmetic product, such as mascara, and corresponding applicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404977A (en) * 1981-09-14 1983-09-20 The Bridgeport Metal Goods Manufacturing Company Cosmetics brush
US4598723A (en) * 1984-05-23 1986-07-08 Cole Rodney D Material applicator
US5357987A (en) * 1991-04-29 1994-10-25 Henlopen Manufacturing Co., Inc. Cosmetics brush with discontinous bristle face
US5722436A (en) * 1994-09-12 1998-03-03 Sanofi Applicator assembly for a cosmetic product, such as mascara, and corresponding applicator
US5709230A (en) * 1995-04-03 1998-01-20 E-L Management Corporation Triple zone mascara brush

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172127A1 (fr) * 2008-10-06 2010-04-07 L'oreal Instrument pour appliquer un produit sur des phanères et procédé de fabrication afférent
FR2936691A1 (fr) * 2008-10-06 2010-04-09 Oreal Instrument pour appliquer un produit sur des phaneres et procede de fabrication afferent
US8636013B2 (en) 2008-10-06 2014-01-28 L'oreal Instrument for applying a composition to hair or the nails and a related method of manufacture
EP2329744A1 (fr) 2009-12-02 2011-06-08 Alcan Packaging Beauty Services Brosse d'applicateur cosmétique
US20110154597A1 (en) * 2009-12-02 2011-06-30 Davide Manici Cosmetic Applicator Brush
US8794713B2 (en) 2009-12-02 2014-08-05 Albea Services Cosmetic applicator brush
CN105451600A (zh) * 2013-08-02 2016-03-30 阿贝尔服务 用于化妆品的涂敷器以及相关的涂敷器组件
CN105451600B (zh) * 2013-08-02 2018-03-13 阿贝尔服务 用于化妆品的涂敷器以及相关的涂敷器组件
CN110248569A (zh) * 2017-01-31 2019-09-17 Elc 管理有限责任公司 包括螺线形段的模制刷毛刷

Also Published As

Publication number Publication date
AU2003299964A1 (en) 2004-07-29
AU2003299964A8 (en) 2004-07-29
WO2004060103A3 (fr) 2004-11-04

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