EP2131690A1 - Artificial hair and its manufacturing method - Google Patents

Artificial hair and its manufacturing method

Info

Publication number
EP2131690A1
EP2131690A1 EP08719346A EP08719346A EP2131690A1 EP 2131690 A1 EP2131690 A1 EP 2131690A1 EP 08719346 A EP08719346 A EP 08719346A EP 08719346 A EP08719346 A EP 08719346A EP 2131690 A1 EP2131690 A1 EP 2131690A1
Authority
EP
European Patent Office
Prior art keywords
artificial hair
filaments
compound
hair according
twined
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Withdrawn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
EP08719346A
Other languages
German (de)
French (fr)
Inventor
Reinhart Cornelis Van Rooij
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.)
Protein Hair Coating Factory SIA
Original Assignee
Protein Hair Coating Factory SIA
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 Protein Hair Coating Factory SIA filed Critical Protein Hair Coating Factory SIA
Publication of EP2131690A1 publication Critical patent/EP2131690A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • A41G3/0083—Filaments for making wigs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
    • D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/507—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/59—Polyamides; Polyimides

Definitions

  • the present invention concerns artificial hair, in particular hair that can be applied to manufacture wigs, to produce hair extensions, to be used as doll's hair or the like.
  • artificial hair consists of a single filament made of synthetic material.
  • the filament are usually- dispersed pigments that determine the color of the filament and as a consequence of the artificial hair.
  • the filament of known artificial hair is a monofilament that is obtained by means of extrusion of a synthetic material such as for example polyester, nylon or fashion acrylic (Nomex®) .
  • the thickness of known artificial hair varies between 0.025 mm and 0.09 mm, depending on for what application the artificial hair has been made.
  • Artificial hair for dolls may have a diameter of 0.025 mm or more, whereas artificial hair for human use should have a diameter of at least 0.06 mm in order to have sufficient mechanical strength.
  • artificial hair with a diameter of 0.05 mm or less appears to be insufficiently strong and entails a risk of breaking off while the hair is being combed.
  • Another disadvantage of the known artificial hair is that, in particular when the monofilament is made of polyamide or a co-polyamide, the pigments will migrate from the monofilament under particular conditions or when using specific conditioners, as a result of which the artificial hair will lose its color or as a result of which color differences may occur in the artificial hair.
  • Another disadvantage of known artificial hair is that it has what is called a false light reflection for an incidence of light at a certain angle.
  • dark artificial hair may have an orange glow due to such a false reflection, which is highly undesirable.
  • the aforesaid false reflection is particularly observed with artificial hair whose monofilament is made on the basis of polyester or nylon.
  • the present invention aims to remedy one or several of the above-mentioned and other disadvantages.
  • the invention concerns artificial hair which mainly comprises two or several filaments that are mutually twined or plaited and/or that are provided with a common coating.
  • An advantage of the present invention is that the fibers can be made relatively thin. For, by twining or plaiting the filaments of the artificial hair, an artificial hair is obtained that is stronger in the coaxial direction than known artificial hair with a comparable diameter.
  • artificial hair according to the invention can be made with a diameter that is equal to or smaller than 0.05 millimeter and with a strength that is comparable to or greater than the strength of natural human hair of the head.
  • the fibers are preferably mutually twined or plaited, and there is a common coating round these fibers.
  • ⁇ n advantage of this preferred embodiment is that the structure of the artificial hair strongly resembles that of natural hair which, as is known, is built of several spirally twined keratin fibers surrounded by plates. Tests have proven that the behavior of artificial hair according to the invention strongly resembles that of natural hair of the head.
  • Pigments are preferably provided in the coating that co- determine the color of the artificial hair.
  • Tests have proven that providing pigments in the coating of the artificial hair, and consequently close to the outer surface of the artificial hair, cause little or no false reflection, as a result of which the artificial hair will always look naturally.
  • Another advantage of providing pigments in the coating is that the pigments can be dispersed in the coating in a stable manner, whereby the risk of migration or flow of the pigments is strongly limited.
  • figure 1 shows an artificial hair according to the invention in perspective; figure 2 represents a variant of figure 1; figure 3 represents another variant of figure 1.
  • Figure 1 represents an artificial hair 1 according to the invention that is composed of at least two and in this case three filaments 2 that are mutually twined.
  • the filaments 2 are preferably made of monopolymer or a copolymer of one or several of the following synthetic materials: polyester (PE), nylon (PA), polyethylene terefthalate (PET), fashion acryl (Nomex®) , polybutyl terefthalate (PBT), polyethylene, polyoxymethylene (POM), polytetra fluorethylene (PTFE), aromatic polyamide (aramid, for example Kevlar®) , whereby pigments may be either or not dispersed in the synthetic filaments 2.
  • polyester PET
  • PET polyethylene terefthalate
  • Nomex® fashion acryl
  • PBT polybutyl terefthalate
  • POM polyoxymethylene
  • PTFE polytetra fluorethylene
  • aromatic polyamide aromatic polyamide
  • the filaments 2 contain a nylon (PA)
  • PA nylon
  • this is preferably a PA of one of the following types: PA6, PA6.6, PAIl, PA12, PA6/12, PA 6.10, PA 4.6, PA 6/6.6, PA6.12, PA 66 or PE.
  • an artificial hair 1 is obtained that is stronger in a coaxial direction than an artificial hair that would have the same filaments 2 in a non-twined or non-twisted shape, as a result of which the thickness of the artificial hair 1 according to the invention can be restricted to less than 0.06 mm and preferably to less than 0.05 mm, without the artificial hair being less strong in a coaxial direction than natural human hair of the head.
  • twined must be understood broadly in the case of the present invention and thus may also be interpreted as twisted, turned, spirally wound and the like.
  • the filaments 2 can also be mutually plaited.
  • filaments 2 can preferably be provided in an artificial hair 1 according to the invention, which filaments 2 can be commonly twined or plaited or in which two or more filaments are mutually twined or plaited so as to form a fiber and whereby several such fibers are subsequently mutually twined or plaited.
  • the filaments 2 may have a circular cross section as well as a cross section in the shape of an oval, a double round shape or the like.
  • Figure 2 represents a variant in which two or more filaments 2 are encapsulated in a common coating 3 over at least a part of their length.
  • the coating 3 may be either or not provided pigments which determine the color of the artificial hair 1.
  • the coating 3 is preferably made on the basis of one of the following components: a chemical polyurethane compound, a viscose polyurethane compound, an acrylic compound, a vinyl compound, a Teflon compound, a viscose nylon compound, a viscose polyester compound.
  • a common coating 3 is meant that the coating 3 is provided round the filaments as if the different filaments 2 together form a single bundle that is coated.
  • pigments are provided in the coating 3 to color the artificial hair 1, it is clear that these pigments are situated at or in the immediate vicinity of the surface of the artificial hair 1, as a result of which false reflection effects are avoided.
  • figure 3 represents another variant of an artificial hair according to the invention, whereby different filaments 2 that are mutually twined or turned are provided with the above-described common coating 3.
  • filaments 2 can be commonly twined or plaited or in between which two or more filaments are mutually twined or plaited so as to form a fiber and whereby several of such fibers are subsequently mutually twined or plaited.
  • the filaments 2 may have a round cross section as well as a cross section in the shape of an oval, a double round shape or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials For Medical Uses (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Prostheses (AREA)
  • Artificial Filaments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Artificial hair, characterized in that it mainly comprises two or more filaments (2) that are mutually twined or plaited and/or that are provided with a common coating (3).

Description

Artificial hair and its manufacturing method.
The present invention concerns artificial hair, in particular hair that can be applied to manufacture wigs, to produce hair extensions, to be used as doll's hair or the like.
As is known, artificial hair consists of a single filament made of synthetic material. In the filament are usually- dispersed pigments that determine the color of the filament and as a consequence of the artificial hair.
The filament of known artificial hair is a monofilament that is obtained by means of extrusion of a synthetic material such as for example polyester, nylon or fashion acrylic (Nomex®) .
The thickness of known artificial hair varies between 0.025 mm and 0.09 mm, depending on for what application the artificial hair has been made. Artificial hair for dolls may have a diameter of 0.025 mm or more, whereas artificial hair for human use should have a diameter of at least 0.06 mm in order to have sufficient mechanical strength. For, artificial hair with a diameter of 0.05 mm or less appears to be insufficiently strong and entails a risk of breaking off while the hair is being combed.
As natural human hair of the European race usually has a diameter of some 0.05 mm and the known artificial hair for human use is usually thicker, the behavior of natural human hair and of artificial hair will be different, which of •course is undesirable.
Another disadvantage of the known artificial hair is that, in particular when the monofilament is made of polyamide or a co-polyamide, the pigments will migrate from the monofilament under particular conditions or when using specific conditioners, as a result of which the artificial hair will lose its color or as a result of which color differences may occur in the artificial hair.
Another disadvantage of known artificial hair is that it has what is called a false light reflection for an incidence of light at a certain angle. In particular dark artificial hair may have an orange glow due to such a false reflection, which is highly undesirable. The aforesaid false reflection is particularly observed with artificial hair whose monofilament is made on the basis of polyester or nylon.
The present invention aims to remedy one or several of the above-mentioned and other disadvantages.
To this end, the invention concerns artificial hair which mainly comprises two or several filaments that are mutually twined or plaited and/or that are provided with a common coating.
An advantage of the present invention is that the fibers can be made relatively thin. For, by twining or plaiting the filaments of the artificial hair, an artificial hair is obtained that is stronger in the coaxial direction than known artificial hair with a comparable diameter.
The same effect is obtained when different fibers are encapsulated together in a common coating.
Thus, artificial hair according to the invention can be made with a diameter that is equal to or smaller than 0.05 millimeter and with a strength that is comparable to or greater than the strength of natural human hair of the head.
The fibers are preferably mutually twined or plaited, and there is a common coating round these fibers.
Αn advantage of this preferred embodiment is that the structure of the artificial hair strongly resembles that of natural hair which, as is known, is built of several spirally twined keratin fibers surrounded by plates. Tests have proven that the behavior of artificial hair according to the invention strongly resembles that of natural hair of the head.
Pigments are preferably provided in the coating that co- determine the color of the artificial hair.
Tests have proven that providing pigments in the coating of the artificial hair, and consequently close to the outer surface of the artificial hair, cause little or no false reflection, as a result of which the artificial hair will always look naturally. Another advantage of providing pigments in the coating is that the pigments can be dispersed in the coating in a stable manner, whereby the risk of migration or flow of the pigments is strongly limited.
In order to better explain the characteristics of the present invention, the following preferred embodiments of artificial hair according to the invention are described as an example only without being limitative in any way, with reference to the accompanying drawings, in which:
figure 1 shows an artificial hair according to the invention in perspective; figure 2 represents a variant of figure 1; figure 3 represents another variant of figure 1.
Figure 1 represents an artificial hair 1 according to the invention that is composed of at least two and in this case three filaments 2 that are mutually twined.
The filaments 2 are preferably made of monopolymer or a copolymer of one or several of the following synthetic materials: polyester (PE), nylon (PA), polyethylene terefthalate (PET), fashion acryl (Nomex®) , polybutyl terefthalate (PBT), polyethylene, polyoxymethylene (POM), polytetra fluorethylene (PTFE), aromatic polyamide (aramid, for example Kevlar®) , whereby pigments may be either or not dispersed in the synthetic filaments 2.
In the case where the filaments 2 contain a nylon (PA) , this is preferably a PA of one of the following types: PA6, PA6.6, PAIl, PA12, PA6/12, PA 6.10, PA 4.6, PA 6/6.6, PA6.12, PA 66 or PE.
It is clear that, by twining the filaments 2, an artificial hair 1 is obtained that is stronger in a coaxial direction than an artificial hair that would have the same filaments 2 in a non-twined or non-twisted shape, as a result of which the thickness of the artificial hair 1 according to the invention can be restricted to less than 0.06 mm and preferably to less than 0.05 mm, without the artificial hair being less strong in a coaxial direction than natural human hair of the head.
Further, it is clear that the term twined must be understood broadly in the case of the present invention and thus may also be interpreted as twisted, turned, spirally wound and the like.
Moreover, the filaments 2 can also be mutually plaited.
It should be noted that between thirty-three and thirty- four filaments 2 can preferably be provided in an artificial hair 1 according to the invention, which filaments 2 can be commonly twined or plaited or in which two or more filaments are mutually twined or plaited so as to form a fiber and whereby several such fibers are subsequently mutually twined or plaited.
As far as the shape of the filaments 2 is concerned, it should be noted that that they may have a circular cross section as well as a cross section in the shape of an oval, a double round shape or the like.
Figure 2 represents a variant in which two or more filaments 2 are encapsulated in a common coating 3 over at least a part of their length.
In this coating 3 may be either or not provided pigments which determine the color of the artificial hair 1. The coating 3 is preferably made on the basis of one of the following components: a chemical polyurethane compound, a viscose polyurethane compound, an acrylic compound, a vinyl compound, a Teflon compound, a viscose nylon compound, a viscose polyester compound.
It should be noted that by a common coating 3 is meant that the coating 3 is provided round the filaments as if the different filaments 2 together form a single bundle that is coated.
As pigments are provided in the coating 3 to color the artificial hair 1, it is clear that these pigments are situated at or in the immediate vicinity of the surface of the artificial hair 1, as a result of which false reflection effects are avoided.
Finally, figure 3 ^represents another variant of an artificial hair according to the invention, whereby different filaments 2 that are mutually twined or turned are provided with the above-described common coating 3. It should be noted that, in an artificial hair 1 according to this variant, between three and thirty-four filaments 2 are preferably provided, which filaments 2 can be commonly twined or plaited or in between which two or more filaments are mutually twined or plaited so as to form a fiber and whereby several of such fibers are subsequently mutually twined or plaited.
As far as the shape of the filaments 2 is concerned, it should be noted that they may have a round cross section as well as a cross section in the shape of an oval, a double round shape or the like.
The present invention is by no means restricted to the above- described embodiment represented in the sole figure; on the contrary, such an artificial hair according to the invention can be made in all sorts of variants while still remaining within the scope of the invention.

Claims

Claims .
1.- Artificial hair, characterized in that it mainly comprises two or more filaments (2) that are mutually- twined or plaited and/or that are provided with a common coating (3) .
2.- Artificial hair according to claim 1, characterized in that the aforesaid filaments (2) are mutually twined or plaited and are provided with a common coating (3) .
3.- Artificial hair according to claim 1 or 2, characterized in that it comprises three to thirty-four mutually plaited or twined filaments (2) .
4.- Artificial hair according to any one of the preceding claims, characterized in that pigments are provided in the coating (3) .
5.- Artificial hair according to any one of the preceding claims, characterized in that the filaments (2) are made of a synthetic material.
6,- Artificial hair according to claim 5, characterized in that the aforesaid synthetic material is formed of a monopolymer or co-polymer of one or several of the following components: polyester (PE), nylon (PA, polyethylene terefthalate (PET), fashion acryl (Nomex®) , polybutyl terefthalate (PBT), polyethylene, polyoxymethylene (POM) , polytetra fluorethylene (PTFE) or an aromatic polyamide (aramid) .
7. - Artificial hair according to any one of the preceding claims , characterized in that the coating ( 3) comprises one of the following components : a chemical polyurethane compound, a viscose polyurethane compound, an acrylic compound, a vinyl compound, a Teflon compound, a viscose nylon compound, a viscose polyester compound.
8. - Artificial hair according to any one of the preceding claims, characterized in that it has a thickness of less than 0. 06 mm and preferably less than 0. 05 mm.
EP08719346A 2007-03-22 2008-03-20 Artificial hair and its manufacturing method Withdrawn EP2131690A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2007/0142A BE1017523A3 (en) 2007-03-22 2007-03-22 ARTIFICIAL HAIR AND METHOD FOR MANUFACTURING IT
PCT/IB2008/000666 WO2008114135A1 (en) 2007-03-22 2008-03-20 Artificial hair and its manufacturing method.

Publications (1)

Publication Number Publication Date
EP2131690A1 true EP2131690A1 (en) 2009-12-16

Family

ID=38521293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08719346A Withdrawn EP2131690A1 (en) 2007-03-22 2008-03-20 Artificial hair and its manufacturing method

Country Status (5)

Country Link
EP (1) EP2131690A1 (en)
JP (1) JP2010522278A (en)
CN (1) CN101677641A (en)
BE (1) BE1017523A3 (en)
WO (1) WO2008114135A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018380A3 (en) * 2008-12-23 2010-09-07 Protein Hair Coating Factory Sia METHOD FOR MANUFACTURING ARTIFICIAL HAIR AND ARTIFICIAL HAIR MANUFACTURED
ITVI20090282A1 (en) * 2009-11-25 2011-05-26 Marcella Ermenegilda Pan PERFECTED HAIRSTYLING INCLUDING ORNAMENTAL ELEMENTS
BE1021634B1 (en) * 2013-03-20 2015-12-21 N.O.M. Coatings S.I.A. COMPOSITION OF ARTIFICIAL STRENGTHS AND ITS METHOD OF PRODUCTION
JP6446430B2 (en) 2013-03-20 2018-12-26 グッドウェル シノ トレーディング リミテッド Artificial hair composition and method for producing the same
BE1022251B1 (en) * 2014-01-15 2016-03-04 Antwerps Octrooi- En Merkenbureau M.F.J. Bockstael COMPOSITION OF ARTIFICIAL HAIR FIBER AND PRODUCTION METHOD
CN103222703B (en) * 2013-05-20 2016-04-27 青岛海森林进出口有限公司 The preparation method of antibacterial flexible glue head hair extension beam
CN104695048A (en) * 2013-12-07 2015-06-10 招远鲁娃婴幼儿用品有限公司 Fiber for toll hair
CN104404651A (en) * 2014-11-10 2015-03-11 莆田市金汉发品有限公司 Flame-retardant modified polyester wig fiber textile and manufacturing method thereof
CN109537081A (en) * 2018-11-26 2019-03-29 合肥卓汇新材料科技有限公司 A kind of antibacterial emulation wig fiber

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EP1010784A1 (en) * 1998-12-14 2000-06-21 The Pilot Ink Co., Ltd. Core/sheath type temperature-sensitive shape-transformable composite filaments
JP2005009049A (en) * 2003-06-20 2005-01-13 Fuji Spinning Co Ltd Artificial hair
EP1696055A1 (en) * 2005-02-24 2006-08-30 Easy Hair Group Holding Limited Artificial hair or doll's hair and method for manufacturing it
EP1696072A1 (en) * 2005-02-24 2006-08-30 Easy Hair Group Holding Limited Artificial hair or doll's hair

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Publication number Priority date Publication date Assignee Title
US5208132A (en) * 1990-06-18 1993-05-04 Matsui Shikiso Chemical Co., Ltd. Photochromic materials
EP1010784A1 (en) * 1998-12-14 2000-06-21 The Pilot Ink Co., Ltd. Core/sheath type temperature-sensitive shape-transformable composite filaments
JP2005009049A (en) * 2003-06-20 2005-01-13 Fuji Spinning Co Ltd Artificial hair
EP1696055A1 (en) * 2005-02-24 2006-08-30 Easy Hair Group Holding Limited Artificial hair or doll's hair and method for manufacturing it
EP1696072A1 (en) * 2005-02-24 2006-08-30 Easy Hair Group Holding Limited Artificial hair or doll's hair

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Also Published As

Publication number Publication date
WO2008114135A1 (en) 2008-09-25
BE1017523A3 (en) 2008-11-04
JP2010522278A (en) 2010-07-01
CN101677641A (en) 2010-03-24

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