JP2007167297A - Cosmetic brush composed of mixed bristle material - Google Patents
Cosmetic brush composed of mixed bristle material Download PDFInfo
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本発明は、PTT毛材と獣毛の混合により獣毛単独使用の場合より肌の感触と化粧料塗布性を向上させる相乗効果を有する化粧用ブラシに関する。
更に詳しくは、本発明は、PTTを素材として特定する繊度、ヤング率、伸張回復率に設定して、微細な凹凸を設けたテーパー部を有する毛材を用いて、獣毛と混合することにより、獣毛単独のものより肌の感触と化粧料塗布性の改善された化粧用ブラシに関する。
The present invention relates to a cosmetic brush having a synergistic effect of improving skin feel and cosmetic applicability by using animal hair alone by mixing PTT hair material and animal hair.
More specifically, the present invention sets the fineness, Young's modulus, and stretch recovery rate to specify PTT as a raw material, and mixes with animal hair using a hair material having a tapered portion provided with fine irregularities. The present invention relates to a cosmetic brush with improved skin feel and cosmetic applicability compared to animal hair alone.
従来からPETやPBT等のポリエステルのモノフィラメントがブラシ素材に用いられており、ブラシの風合を改良するために、獣毛のしなやかさを追求してモノフィラメント先端部にテ−パーを設けることが知られている。例えば、PETのモノフィラメント束の先端を熱アルカリ浴に浸漬して先端にテーパーを設ける技術が、特開昭51-116298号公報及び特開昭58-76517号公報により知られているが、PETのヤング率1100〜2000kgf/mm2と獣毛のヤング率300〜500 kgf/mm2とでは混合による物性の馴染みがなく、PETによる硬さが獣毛独特の感触を弱めていた。合繊と獣毛の混合については周知で、例えば特開2005-130916号公報、特公平5-74479号公報等に提案されているが、静電気の発生を防止するために合繊素材を利用した技術や、獣毛の嵩増し材としての混合技術であり、獣毛使用効果を高めるものではなかった。 Conventionally, polyester monofilaments such as PET and PBT have been used for brush materials, and in order to improve the feel of the brush, it is known that a taper is provided at the end of the monofilament to pursue the suppleness of animal hair. It has been. For example, a technique in which the tip of a PET monofilament bundle is dipped in a hot alkaline bath to provide a taper at the tip is known from Japanese Patent Laid-Open Nos. 51-116298 and 58-76517. without the familiar properties by mixing the Young's modulus 300~500 kgf / mm 2 Young's modulus 1100~2000kgf / mm 2 and animal hair, hardness by PET had weakened animal hair unique feel. The mixing of synthetic fibers and animal hair is well known, and for example, proposed in Japanese Patent Application Laid-Open No. 2005-130916, Japanese Patent Publication No. 5-74479, etc. This is a mixing technique as a bulking material for animal hair, and does not enhance the effect of using animal hair.
PETやPBT等のポリエステル繊維に限らず、従来の合繊のヤング率及び弾性回復率は、一般に獣毛の持つヤング率を大きく上回るので、繊度及びテーパー部が獣毛に近似していても、合繊独特の硬さにより獣毛の優れた肌の感触及び化粧料塗布性を損ねることとなっていた。獣毛は、リス毛、コリンスキー毛、狸毛、鹿毛、馬毛、山羊毛、山馬毛、貂毛、牛毛、羊毛、兎毛、猿毛、猫毛、狐毛、豚毛、狼毛、ムササビ毛等数多く知られており、特にリス毛のように貴重で独特の柔軟感触を重宝されているものがあるが、従来の毛材の混合では、これら獣毛のその優れた柔軟感触の物性が合繊の使用によっては改善できず、獣毛と合繊の混合毛材の化粧用ブラシに対する消費者の評価は高いものではなかった。このように、従来技術では、獣毛と合繊を混合使用して、獣毛独特の柔軟感触をさらに改善するものはなかった。 Not only polyester fibers such as PET and PBT, the Young's modulus and elastic recovery rate of conventional synthetic fibers are generally much higher than the Young's modulus of animal hair, so even if the fineness and taper are close to animal hair, synthetic fibers The unique hardness impairs the excellent skin feel and coatability of animal hair. Animal hair is squirrel hair, Korinsky hair, eyelash hair, deer hair, horse hair, goat hair, mountain horse hair, eyelash hair, cow hair, wool hair, eyelash hair, monkey hair, cat hair, eyelash hair, pig hair, wolf hair, There is a lot of known mussels hair, especially squirrel hair, which has a valuable and unique soft touch, but with the mixing of conventional hair materials, the physical properties of these excellent soft touches of these animal hairs However, it cannot be improved by the use of synthetic fibers, and consumers' evaluation of cosmetic brushes with mixed hair materials of animal hair and synthetic fibers has not been high. As described above, none of the conventional techniques further improves the softness unique to animal hair using a mixture of animal hair and synthetic fiber.
従来、合繊によるブラシ素材として代表的なものとしてポリエステル(PET)モノフィラメントがあるが、ブラシ素材に使用されるPETのヤング率は1100〜2000 kgf/mm2、20％伸張回復率は30％程度のものである。一方、獣毛のヤング率は300〜500 kgf/mm2、20％伸張回復率60〜70％程度であって、両毛材を混合してブラシ素材として使用すると、PETの粗剛な物性が獣毛よりも勝って肌を刺激して感触はチクチク感がある。粉末に使用すると粉の飛散が大きく周囲を汚す欠点がある。貴重な獣毛の独特の柔軟感触と化粧料塗布性を悪くしていた。 Conventionally, polyester (PET) monofilament is a typical brush material made of synthetic fiber, but the Young's modulus of PET used for the brush material is 1100-2000 kgf / mm 2 , 20% stretch recovery rate is about 30%. Is. On the other hand, the Young's modulus of animal hair is 300-500 kgf / mm 2 , 20% stretch recovery rate is about 60-70%. When both hair materials are mixed and used as a brush material, the rough physical properties of PET It has a tingling sensation that stimulates the skin over hair. When used as a powder, there is a drawback that the powder is greatly scattered and the surroundings are soiled. The unique softness and preciousness of precious animal hair were deteriorated.
古来より獣毛がブラシ素材として使用されているのは、獣毛のもつ独特の柔軟感触と化粧料塗布性を活用するためであり、このような柔軟感触と化粧料塗布性等が得られなくては貴重な獣毛を用いる理由がなくなる。
PETをはじめ従来の合繊と獣毛の混合ブラシは、上述するように獣毛本来の使用物性が活用できず、混合ブラシは消費者が満足できるものでなく、合繊は獣毛の嵩増し材としての使用用途の傾向が強かった。そして、従来技術では、各種の獣毛の物性に対して、獣毛が引き立つように合繊の物性を合わせる発想はなかった。
本発明では、獣毛と合繊の混合ブラシにおける獣毛の使用感を損ねている課題の解決を図ろうとするもので、合繊としてはPTTを用い、その物性を獣毛の本来物性に合わせるように機能調節して、獣毛と混合することにより、獣毛単独使用の場合よりも、さらに肌の感触及び化粧料塗布性を向上させるという、いわば相乗効果を発揮せしめる混合ブラシを得ようとするものである。
Animal hair has been used as a brush material since ancient times in order to take advantage of the unique soft feel and cosmetic applicability of animal hair, and such soft feel and cosmetic applicability cannot be obtained. The reason for using precious animal hair is lost.
Conventional synthetic fiber and animal hair mixing brushes such as PET cannot utilize the original physical properties of animal hair as described above, and mixing brushes are not satisfactory for consumers, and synthetic fibers are used as a bulking material for animal hair. There was a strong tendency of usage. And in the prior art, there was no idea to match the physical properties of synthetic fibers so that the animal hairs stand out against the physical properties of various animal hairs.
In the present invention, it is intended to solve the problem that impairs the feeling of use of animal hair in a mixed brush of animal hair and synthetic fiber, and PTT is used as synthetic fiber so that its physical properties are matched to the original physical properties of animal hair. By adjusting the function and mixing with animal hair, it is intended to obtain a mixed brush that exhibits a synergistic effect, further improving the skin feel and cosmetic applicability than when using animal hair alone. It is.
本発明は、次の構成を基本とするものである。
（１）繊度50〜110dtx、ヤング率150〜200kgf/mm2、20％伸張回復率70〜90％に設定され、かつ、先端方向に微細な凹凸を設けたテ−パー部を有するポリトリメチレンテレフタレート（PTT）毛材と獣毛とが混合されてなる、獣毛単独使用の場合より肌の感触及び化粧料塗布性を改善されてなることを特徴とする化粧用ブラシ。
（２）PTTと獣毛の混合率が、PTT20〜80％及び獣毛80〜20％、であることを特徴とする（１）に記載の化粧用ブラシ。
The present invention is based on the following configuration.
(1) Polytrimethylene having a taper portion with fineness of 50 to 110 dtx, Young's modulus of 150 to 200 kgf / mm 2 , 20% stretch recovery rate of 70 to 90%, and fine irregularities in the tip direction A cosmetic brush comprising a mixture of terephthalate (PTT) hair material and animal hair, wherein the skin feel and cosmetic coating properties are improved compared to the case of using animal hair alone.
(2) The cosmetic brush according to (1), wherein the mixing ratio of PTT and animal hair is 20 to 80% PTT and 80 to 20% animal hair.
PTTの繊度は、50〜110dtxのセミダルのモノフィラメントが好ましい。
ヤング率は紡糸時の延伸条件の調節によって150〜200kgf/mm2、20％伸張回復率70〜90％に設定する。PTTはゴム状弾性を有しており、変形に対して回復の優れていることに特徴がある。
獣毛のヤング率は、300〜500kgf/mm2の範囲にあり、リス毛では低く、山羊毛では高い。20％伸張回復率は60〜70％である。PTTのヤング率は獣毛よりやや低めにし、更に20％伸張回復率は高めに設定することが重要である。PTTの普通紡糸の延伸率では230kgf/mm2であり、普通の延伸率より低くすることで150〜200 kgf/mm2が得られるので、獣毛の種類により調節することが好ましい。
なお、本発明において、獣毛としてはリス毛、コリンスキー毛、狸毛、鹿毛、馬毛、山羊毛、山馬毛、貂毛、牛毛、羊毛、兎毛、猿毛、猫毛、狐毛、豚毛、狼毛、ムササビ毛等を使用することができる。
The fineness of PTT is preferably a semi-dal monofilament of 50 to 110 dtx.
The Young's modulus is set to 150 to 200 kgf / mm 2 and 20% stretch recovery rate 70 to 90% by adjusting the drawing conditions during spinning. PTT has rubber-like elasticity and is characterized by excellent recovery from deformation.
The Young's modulus of animal hair is in the range of 300 to 500 kgf / mm 2 and is low for squirrel hair and high for goat hair. The 20% stretch recovery rate is 60-70%. It is important to set the Young's modulus of PTT slightly lower than that of animal hair and to set a higher 20% stretch recovery rate. The stretch ratio of the PTT ordinary spinning was 230 kgf / mm 2, since the ordinary is 150 to 200 kgf / mm 2 by lowering than the stretching ratio is obtained, it is preferable to adjust the type of animal hair.
In the present invention, as animal hair, squirrel hair, Korinsky hair, eyelash hair, deer hair, horse hair, goat hair, mountain horse hair, eyelash hair, cow hair, wool hair, eyelash hair, monkey hair, cat hair, eyelash hair, Pig hair, wolf hair, flying squirrel hair, etc. can be used.
本発明の混合毛材ブラシでは、横に屈曲した状態からの復元性を、20％延伸回復率の補強により改善するものである。
すなわち、獣毛より柔軟で弾性回復率に優れたPTTは、各種獣毛と混合使用することにより、用いた獣毛本来の感触を損ねることなく肌の感触及び化粧料塗布性において顕著な効果を発揮することができる。
PTT毛材の使用に当たっては、PTTモノフィラメントの先端方向に微細な凹凸を設けたテーパー部は、粉末化粧料塗布性の捕捉性に有効であり、獣毛単独使用よりパウダー捕捉性が向上する。同じポリエステル繊維であっても、PETモノフィラメントでは加水分解速度が速くて微細な凹凸を設けることが困難であるが、PTTモノフィラメントでは微細な凹凸を有するテーパー部を設けることが出来るという違いがあり、本発明では後者のPTTを使用する。
In the mixed bristle brush of the present invention, the resilience from the laterally bent state is improved by reinforcing the 20% stretch recovery rate.
In other words, PTT, which is softer than animal hair and excellent in elastic recovery, can be used in combination with various animal hairs to have a remarkable effect on skin feel and cosmetic applicability without impairing the original feel of the animal hair used. It can be demonstrated.
When using the PTT hair material, the tapered portion provided with fine irregularities in the tip direction of the PTT monofilament is effective for capturing powder cosmetic coating properties, and improves the powder capturing property than using animal hair alone. Even with the same polyester fiber, PET monofilament has a high hydrolysis rate and it is difficult to provide fine irregularities, but PTT monofilament has a difference that it can provide a tapered part with fine irregularities. In the invention, the latter PTT is used.
本発明の化粧用ブラシにおいて、獣毛及びPTTにおいてそれぞれ設定される物性は、獣毛のヤング率が300〜500 kgf/mm2、PTTのヤング率が150〜200kgf/mm2の範囲のものである。獣毛のヤング率よりPTTのヤング率を低くすることにより、肌への感触、使用時の粉飛散の改善が得られる。また、PTTの20％伸張回復率は一般に70〜90％の範囲で、獣毛の20％伸張回復率60〜70％より高いので、横に屈曲した変形に対して獣毛の回復性を補強することができる。PTT素材の先端に微細な凹凸を有するテーパー部を設けることは必要である。 In cosmetic brush of the present invention, physical properties are set respectively in the animal hair and PTT are those Young's modulus of the animal hair is 300 to 500 kgf / mm 2, PTT Young's modulus in the range of 150~200kgf / mm 2 is there. By making the Young's modulus of PTT lower than the Young's modulus of animal hair, it is possible to improve skin feel and powder scattering during use. In addition, the 20% stretch recovery rate of PTT is generally in the range of 70-90%, and the 20% stretch recovery rate of animal hair is higher than 60-70%. can do. It is necessary to provide a tapered portion having fine irregularities at the tip of the PTT material.
本発明のPTTブラシ毛材において、モノフィラメントの先端テーパー部に微細な凹凸を設けるのは、PTT毛材の粉末化粧料塗布性の捕捉性と放出性に優れた効果を発揮させるためである。また、本発明で用いるPTTモノフィラメント毛材は、各種獣毛との混合によって獣毛単独使用の場合よりも肌の感触及び化粧料塗布性を向上させる効果を有する。
本発明におけるPTT毛材と獣毛の混合率は、PTT20〜80％、獣毛80〜20％が好ましい。混合する獣毛の硬さは、リス毛が最も柔軟で、コリンスキー毛、狸毛、鹿毛、馬毛（腋毛）、山羊毛の順に硬くなっていくので、PTTの物性は使用する獣毛の種類によりPTTの紡糸条件を調節して目的とする物性に設定する。
In the PTT brush bristle material of the present invention, the fine irregularities are provided at the tip tapered portion of the monofilament in order to exert an excellent effect of capturing and releasing the powder cosmetic application property of the PTT bristle material. In addition, the PTT monofilament hair material used in the present invention has an effect of improving skin feel and cosmetic applicability by mixing with various animal hairs compared to the case of using animal hair alone.
In the present invention, the mixing ratio of the PTT hair material and animal hair is preferably 20 to 80% PTT and 80 to 20% animal hair. As for the hardness of the animal hair to be mixed, the squirrel hair is the most flexible, and the physical properties of PTT are the kind of animal hair to be used because it becomes harder in the order of Korinsky hair, eyelashes, deer hair, horse hair (lash hair), goat hair. Adjust the spinning conditions for PTT to set the desired physical properties.
本発明による混合ブラシは、獣毛のヤング率に対して、PTTのヤング率をやや下目に設定するので、PTTの物性が獣毛の塗布感触を損ねることがない。PTTのゴム弾性が作用して獣毛の物性を引き立たせる相乗効果を発揮するのである。PTTはブライトでは獣毛と混合して光沢による違和感があり、セミダルが好ましい。PTTに特定する物性は獣毛の種類により調節するのが好ましい。PTT毛材に設けた微細な凹凸を有するテーパー部は感触を獣毛に近似するだけでなく、PTTに設定するヤング率と弾性回復性が相互作用して、獣毛単独の毛材よりも肌の感触及び化粧料塗布性に優れることになる。
また、本発明では獣毛という安定供給の難しい毛材に対して、PTTという安定供給で、且つ経済性の高いブラシ毛材を使用するので、製品の安定供給の上でも利益がある。
In the mixing brush according to the present invention, the Young's modulus of PTT is set slightly below the Young's modulus of animal hair, so the physical properties of PTT do not impair the feel of animal hair application. The rubber elasticity of PTT acts to exert a synergistic effect that enhances the physical properties of animal hair. PTT is mixed with animal hair in Bright and has a sense of incongruity due to luster. Semidal is preferred. The physical properties specified for PTT are preferably adjusted according to the type of animal hair. The tapered part with fine irregularities provided on the PTT hair material not only approximates the feel of animal hair, but also interacts with the Young's modulus set in PTT and elastic recovery, making it more skin than animal hair alone. It is excellent in touch and cosmetics applicability.
Further, in the present invention, since the bristle material of animal hair, which is difficult to stably supply, is used, a brush hair material having a stable supply of PTT and high economic efficiency is used.
〔実施例〕
実施例により本発明を具体的に説明する。
PTTの60dtxと80dtxnの２種類を、ヤング率190kgf/mm2、20％伸張回復率85％に設定したモノフィラメントを紡糸した。
次にモノフィラメントには、クリンプを付与して直径５cmの束に収束した。収束体を長さ７cmにカットし、長さ７cmの一端から２cmを、アルカリ浴に120℃で100分間、浸漬して微細な凹凸を有するテーパー部を設けた。
アルカリ浴の組成は、水酸化ナトリウム10重量％、加水分解促進剤としてDYK-1125(第4級アンモニウム系、一方社油脂工業株式会社製品)0.2重量％、浸透剤としてネオレートNA-30(日華化学工業株式会社製品)10重量％、オリゴマー溶解剤としてマーボンPS-K（松本油脂株式会社製品）4重量％、残量は水よりなる処理液を用いた。
テーパー処理した後に顕微鏡で観察したところ、図１に示すようにテーパー部の表面に1〜20μｍの多数の凹凸が生成していることを確認した。次いで染色を行って、該PTT60dtxと80dtxの同量を混合してPTT毛材とした。
獣毛との混合毛材の使用効果を確認するために、PTT毛材とリス毛の混合率を変化して、パウダー用化粧ブラシを作成して、肌の感触とパウダー捕捉性を評価した。
表１に本発明の混合毛材を、表２にPETのみによる比較例を示す。
実施例１、２、３により、リス毛100％のものより本発明による混合ブラシ30〜70重量％の方が肌の感触及びパウダーの捕捉性に優れている、これは混合による相乗効果によるものである。
〔Example〕
The present invention will be specifically described with reference to examples.
Two types of PTT 60dtx and 80dtxn were spun monofilaments with Young's modulus set to 190kgf / mm 2 , 20% stretch recovery rate 85%.
Next, the monofilament was crimped to converge into a bundle having a diameter of 5 cm. The convergent body was cut into a length of 7 cm, and 2 cm from one end of the length of 7 cm was immersed in an alkaline bath at 120 ° C. for 100 minutes to provide a tapered portion having fine irregularities.
The composition of the alkaline bath is 10% by weight of sodium hydroxide, 0.2% by weight of DYK-1125 (a quaternary ammonium-based product, manufactured by Yushi Kogyo Co., Ltd.) as a hydrolysis accelerator, and Neolate NA-30 (Nikka) as a penetrant. Chemical Industry Co., Ltd. product) 10% by weight, Marbon PS-K (Matsumoto Yushi Co., Ltd. product) 4% by weight as the oligomer solubilizer, and the remaining amount was a treatment solution comprising water.
Observation with a microscope after the taper treatment confirmed that a large number of irregularities of 1 to 20 μm were formed on the surface of the tapered portion as shown in FIG. Next, dyeing was performed, and the same amount of PTT60dtx and 80dtx was mixed to obtain a PTT hair material.
In order to confirm the use effect of the mixed hair material with animal hair, the mixing ratio of the PTT hair material and the squirrel hair was changed to create a powder makeup brush, and the skin feel and the powder capturing property were evaluated.
Table 1 shows the mixed hair material of the present invention, and Table 2 shows a comparative example using only PET.
According to Examples 1, 2, and 3, 30 to 70% by weight of the mixed brush according to the present invention is superior in skin feel and powder capturing ability than that of 100% squirrel hair, which is due to the synergistic effect of mixing. It is.
パウダー捕捉性とは、ブラシに対する粉付きを示すもので、この値がよいものほど粉末を良くキャッチして塗布性に優れる。パウダー取れの評価では、使用時にブラシより肌に粉末の移行を示すもので、粉が取れても、毛材の剛性により粉の飛散が大きいものは、使用性が悪く嫌われるので、パウダー取れ評価は悪いとされている。本発明により粉飛びについても改善されている。
なお、実施例は柔軟で定評の高いリス毛についての例であるが、コリンスキー毛、狸毛、鹿毛、山羊毛、馬毛等においても同様の結果が得られている。
The powder trapping property indicates powdering with respect to the brush, and the better this value, the better the powder is caught and the better the coating property. In the evaluation of powder removal, it shows the transfer of powder from the brush to the skin at the time of use. Even if the powder is removed, if the powder scattering is large due to the rigidity of the hair material, the usability is badly disliked. Is considered bad. The present invention also improves powder skipping.
In addition, although an Example is an example about a squirrel hair which is flexible and has a good reputation, the same result is obtained also in Korinsky hair, eyelash, deer hair, goat hair, horse hair, etc.
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| JP2005368214A JP4748667B2 (en) | 2005-12-21 | 2005-12-21 | Cosmetic brush made of mixed hair |
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| JP2005368214A JP4748667B2 (en) | 2005-12-21 | 2005-12-21 | Cosmetic brush made of mixed hair |
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| JP2007167297A true JP2007167297A (en) | 2007-07-05 |
| JP4748667B2 JP4748667B2 (en) | 2011-08-17 |
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| JP2005368214A Expired - Fee Related JP4748667B2 (en) | 2005-12-21 | 2005-12-21 | Cosmetic brush made of mixed hair |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011072495A (en) * | 2009-09-30 | 2011-04-14 | Shiseido Co Ltd | Mixed hair cosmetic brush |
| US20140020197A1 (en) * | 2011-04-07 | 2014-01-23 | Kenji Nakamura | Cosmetic filament, cosmetic brush bristle material using same filament, and cosmetic brush using same bristle material |
| JP2017118939A (en) * | 2015-12-28 | 2017-07-06 | 花王株式会社 | Bristle for brush |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0574479B2 (en) * | 1986-10-20 | 1993-10-18 | Teijin Ltd | |
| JPH0644428U (en) * | 1992-11-24 | 1994-06-14 | 日本蚕毛染色株式会社 | Makeup brush |
| WO2001075200A1 (en) * | 2000-03-30 | 2001-10-11 | Asahi Kasei Kabushiki Kaisha | Monofilament yarn and process for producing the same |
| WO2005039355A1 (en) * | 2003-10-29 | 2005-05-06 | Lion Corporation | Toothbrush |
| JP2005218555A (en) * | 2004-02-04 | 2005-08-18 | Yamato Esuron Kk | Brush formed of blended bristles |
| JP2006141991A (en) * | 2004-10-21 | 2006-06-08 | Kenji Nakamura | Brush bristle material |
-
2005
- 2005-12-21 JP JP2005368214A patent/JP4748667B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0574479B2 (en) * | 1986-10-20 | 1993-10-18 | Teijin Ltd | |
| JPH0644428U (en) * | 1992-11-24 | 1994-06-14 | 日本蚕毛染色株式会社 | Makeup brush |
| WO2001075200A1 (en) * | 2000-03-30 | 2001-10-11 | Asahi Kasei Kabushiki Kaisha | Monofilament yarn and process for producing the same |
| WO2005039355A1 (en) * | 2003-10-29 | 2005-05-06 | Lion Corporation | Toothbrush |
| JP2005218555A (en) * | 2004-02-04 | 2005-08-18 | Yamato Esuron Kk | Brush formed of blended bristles |
| JP2006141991A (en) * | 2004-10-21 | 2006-06-08 | Kenji Nakamura | Brush bristle material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011072495A (en) * | 2009-09-30 | 2011-04-14 | Shiseido Co Ltd | Mixed hair cosmetic brush |
| US20140020197A1 (en) * | 2011-04-07 | 2014-01-23 | Kenji Nakamura | Cosmetic filament, cosmetic brush bristle material using same filament, and cosmetic brush using same bristle material |
| US9949560B2 (en) * | 2011-04-07 | 2018-04-24 | Kenji Nakamura | Cosmetic filament, cosmetic brush bristle material using same filament, and cosmetic brush using same bristle material |
| JP2017118939A (en) * | 2015-12-28 | 2017-07-06 | 花王株式会社 | Bristle for brush |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4748667B2 (en) | 2011-08-17 |
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