JP2010253045A - Cosmetic applicator - Google Patents

Cosmetic applicator Download PDF

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Publication number
JP2010253045A
JP2010253045A JP2009106740A JP2009106740A JP2010253045A JP 2010253045 A JP2010253045 A JP 2010253045A JP 2009106740 A JP2009106740 A JP 2009106740A JP 2009106740 A JP2009106740 A JP 2009106740A JP 2010253045 A JP2010253045 A JP 2010253045A
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Japan
Prior art keywords
brush
resin
applicator
thin
tip
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JP2009106740A
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JP2010253045A5 (en
Inventor
Akihiro Tanaka
章浩 田中
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SHINWA ELEC WORKS
Shinwa Seisakusho Co Ltd
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SHINWA ELEC WORKS
Shinwa Seisakusho Co Ltd
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Application filed by SHINWA ELEC WORKS, Shinwa Seisakusho Co Ltd filed Critical SHINWA ELEC WORKS
Priority to JP2009106740A priority Critical patent/JP2010253045A/en
Priority to PCT/JP2009/060238 priority patent/WO2010122681A1/en
Priority to US13/259,243 priority patent/US20120011674A1/en
Priority to EP09843675A priority patent/EP2422643A4/en
Publication of JP2010253045A publication Critical patent/JP2010253045A/en
Publication of JP2010253045A5 publication Critical patent/JP2010253045A5/ja
Pending legal-status Critical Current

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    • 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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
    • A46B15/0061—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors with a container for accessories, e.g. pills, polish, condoms, cells
    • 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
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0095—Removable or interchangeable brush heads
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cosmetic applicator with which a cosmetic material is easily applied and which does not damage a surface to be applied by making each bristle of a resin brush part thin, making the surface and tip round, and making the whole brush part not too hard and not too soft but proper. <P>SOLUTION: The cosmetic applicator is obtained by attaching a second resin brush part 40 to the tip of a first resin brush shaft 30. The brush part 40 is constituted of an integrated resin molding of a base end part 42 attached to the tip of the brush shaft 30 and a plurality of bristles 44 extended forward from the front end face of the base end part 42. Each bristle 44 has a nearly circular cross section, is tapered, and has around tip end. Thick bristles 44a and thin bristles 44b are mixed. The whole brush part 40, when applying the cosmetic material, is not too hard but has proper softness and excellent operability, never damaging the lips, the skin, etc. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、筆軸の先端に筆毛部が取着一体化された構造で、リップグロス塗布具，液体口紅塗布具，アイライナー，エナメル塗布具等の液体化粧料を塗布する化粧料塗布具に係り、特に、多数本の筆毛を備えた筆毛部が樹脂の一体成形体で構成された化粧料塗布具に関する。   The present invention relates to a cosmetic applicator for applying a liquid cosmetic such as a lip gloss applicator, a liquid lipstick applicator, an eyeliner, an enamel applicator, etc. In particular, the present invention relates to a cosmetic applicator in which a brush portion provided with a large number of brushes is formed of an integrally molded body of resin.

下記特許文献１には、リップグロス塗布具として、筆軸の先端に、ブリッスルと称される非常に細い樹脂製の筆毛を結束一体化した筆毛部を口金によってカシメ固定した構造が開示されている。   The following Patent Document 1 discloses a structure as a lip gloss applicator, in which a brush portion obtained by binding and integrating a very thin resin brush called a bristle at the tip of a brush shaft is fixed by a base. ing.

また、下記特許文献２，３には、エナメルなどの液体化粧料を塗布するための化粧料塗布具として、樹脂製の筆軸の先端に、多数本の筆毛からなる筆毛部を一体成形した構造が開示されている。   Also, in Patent Documents 2 and 3 below, as a cosmetic applicator for applying liquid cosmetics such as enamel, a brush portion consisting of a large number of brushes is integrally formed at the tip of a resin brush shaft. Such a structure is disclosed.

特開２００３−１６９７１３JP2003-169713 実開平６−１３７１４Japanese Utility Model 6-13714 特開２００４−１９６３７１JP 2004-196371 A

しかし、前記特許文献１では、筆毛を製造する工程、筆毛を結束一体化して筆毛部を製造する工程が必要な分、どうしても化粧料塗布具が高価格となるという問題（第１の問題）があった。   However, in the said patent document 1, since the process which manufactures a brush, and the process which binds and integrates a brush and manufactures a brush part is required, the problem that a cosmetic applicator is inevitably expensive (1st There was a problem).

また、前記特許文献２，３では、筆軸先端に筆毛部を樹脂で一体成形したので、材料費および製造工程数の低減により、化粧料塗布具を低価格で提供できるものの、主にエナメルを爪に塗布するための塗布具として説明されているため、ある程度の腰の強さを必要とする筆毛部（筆毛）を比較的硬い樹脂で構成する筆軸に一体成形する意義がある。しかし、リップグロスを塗布する筆毛部（筆毛）としては、腰が硬すぎるし、筆毛は、非常に太く、横断面矩形や三角形で構成され、さらに各筆毛の先端部が角張っている。このため、リップグロスを塗布する際に唇を傷つけるおそれがあるという別の問題（第２の問題）があって、到底採用できるものではない。   Further, in Patent Documents 2 and 3, since the brush part is integrally formed with the resin at the tip of the brush shaft, the cosmetic applicator can be provided at a low price by reducing the material cost and the number of manufacturing processes, but mainly enamel. Since it is described as an applicator for applying to the nail, it is meaningful to integrally form a brush portion (brush) that requires a certain level of waist strength with a brush shaft made of a relatively hard resin. . However, as the brush part to apply lip gloss (brush), the waist is too stiff, the brush is very thick, is composed of a rectangular or triangular cross section, and the tip of each brush is square Yes. For this reason, there exists another problem (2nd problem) that there exists a possibility of damaging a lip when apply | coating a lip gloss, and it cannot employ | adopt at all.

そこで、発明者は、比較的軟らかい樹脂で成形した筆毛部を、比較的硬い樹脂で構成した筆軸の先端に取着すれば、材料費が安価で、筆毛の製造工程が簡略化される分、塗布具を低価格化できる（第１の問題点を解消できる）し、軟らかい樹脂製の筆毛は唇を傷めないし、筆軸は比較的硬い樹脂で構成するので、塗布具としての良好な操作性を保持できると考えた。さらに、筆毛部を構成する各筆毛を、特許文献２，３の場合よりも細くて、しかも横断面略円形で先端を丸く構成すれば、塗布する際に唇を傷めるおそれが確実に回避される（第２の問題を解消できる）と考えた。   Therefore, if the inventor attaches the brush portion formed of a relatively soft resin to the tip of the brush shaft made of a relatively hard resin, the material cost is low and the brush manufacturing process is simplified. As a result, the applicator can be reduced in price (can solve the first problem), the soft resin brush does not damage the lips, and the brush shaft is made of a relatively hard resin. It was thought that good operability could be maintained. Furthermore, if each of the brushes constituting the brush part is made thinner than those of Patent Documents 2 and 3 and the tip is rounded with a substantially circular cross section, the possibility of damaging the lips during application is surely avoided. (The second problem can be solved).

そして、発明者は、試作品を作り、その効果を検証した結果、前記した第１，第２の問題に対して有効であることが確認された。   As a result of making a prototype and verifying its effect, the inventor was confirmed to be effective for the first and second problems described above.

また、発明者が新たな化粧料塗布具（筆毛部）の開発を進める課程で、比較的軟らかい樹脂で筆毛部を成形したとしても、筆毛部の各筆毛を全て同一の太さに構成した場合には、以下の新たな問題が提起された。即ち、各筆毛が太すぎると、筆毛部全体の腰が硬すぎてリップグロスの塗布はし易いが、唇を傷めるおそれがある。逆に、各筆毛が細すぎると、筆毛部全体の腰が軟らかすぎて、唇を傷めることは無くなるものの、リップグロスの塗布がし難いという、相反する問題（第３の問題）が発生した。   Even if the inventor forms a brush part with a relatively soft resin in the course of developing a new cosmetic applicator (brush part), all the brushes in the brush part have the same thickness. In this case, the following new problems were raised. That is, if each brush is too thick, the entire brush portion is too hard and easy to apply lip gloss, but it may damage the lips. On the other hand, if each brush is too thin, the entire brush will be too soft and will not damage the lips, but there will be a conflicting problem (third problem) that it is difficult to apply lip gloss. did.

そこで、発明者は、細い筆毛と太い筆毛を混在させれば、リップグロスの塗布がし易くかつ唇を傷めることもない、適切な筆毛部の腰の強さが得られる（第３の問題を解消できる）のではないか、と考えた。   Therefore, if the inventor mixes thin brush hair and thick brush hair, it is easy to apply lip gloss and does not damage the lips. I thought that the problem could be solved).

そして、発明者は、試作品を作り、その効果を検証した結果、前記した第３の問題に対して有効であることが確認されたので、このたびの出願に至ったものである。   And since the inventor made the prototype and verified the effect, it was confirmed that it was effective with respect to the above-mentioned third problem, and thus the present application has been completed.

本発明は、前記した従来技術の問題点および発明者の前記した知見に鑑みてなされたもので、その第１の目的は、筆軸先端に取着される樹脂製の筆毛部を構成する各筆毛の表面および先端を丸く形成することで、化粧料を塗布する際に塗布面を傷めることのない化粧料塗布具を提供することである。また、その第２の目的は、筆毛部に太い筆毛と細い筆毛とを混在させることで、筆毛部全体の腰の強さが硬すぎずかつ柔らかすぎない適正なものとなって、液体化粧料を塗布し易くかつ塗布面を傷めることもない化粧料塗布具を提供することである。   The present invention has been made in view of the above-described problems of the prior art and the above-mentioned knowledge of the inventor. The first object of the present invention is to configure a resin brush portion attached to the tip of the brush shaft. It is intended to provide a cosmetic applicator that does not damage the application surface when applying the cosmetic by forming the surface and tip of each brush round. In addition, the second purpose is to mix thick brush hair and thin brush hair in the brush portion, so that the waist strength of the entire brush portion is not too hard and not too soft. An object of the present invention is to provide a cosmetic applicator that is easy to apply liquid cosmetics and that does not damage the application surface.

前記第１の目的を達成するために、請求項１に係る化粧料塗布具においては、 第１の樹脂製の筆軸の先端に、該筆軸と同軸状に前記第１の樹脂より軟らかい第２の樹脂製の筆毛部が取着一体化された化粧料塗布具であって、前記筆毛部を、前記筆軸先端部に取着される基端部と、前記基端部の前端面から前方に延出する複数本の筆毛とを備えた樹脂の一体成形体として構成するとともに、前記各筆毛を、横断面略円形で、先端側ほど細いテーパ形状で、先端に丸みを設けた形状に構成した。   In order to achieve the first object, in the cosmetic applicator according to claim 1, the tip of the first resin brush shaft is softer than the first resin coaxially with the brush shaft. 2 is a cosmetic applicator in which a resin brush portion is attached and integrated, and the brush portion is attached to a tip end portion of the brush shaft, and a front end of the base end portion. It is configured as an integral molded body of resin with a plurality of brushes extending forward from the surface, and each of the brushes has a substantially circular cross section and a tapered shape that is thinner toward the tip side, and the tip is rounded. It was configured in the provided shape.

（作用）基端部と筆毛を備えた筆毛部を樹脂で成形することは容易で、筆毛部を筆軸の先端に取着する作業も容易で、材料費が安価な上に、筆毛の製造工程も簡略化される分、塗布具を低価格化できる。即ち、前記した第１の問題が解消される。   (Effect) It is easy to mold the brush part with the base end part and the brush with resin, the work of attaching the brush part to the tip of the brush shaft is easy, and the material cost is low, Because the brush manufacturing process is simplified, the cost of the applicator can be reduced. That is, the first problem described above is solved.

また、柄の部分である筆軸は、ある程度硬い樹脂で構成されている方が、塗布具を操作する上で望ましい。一方、唇や皮膚等に化粧料を塗布する部位である筆毛部（筆毛）は、唇や皮膚等を傷つけないためには、ある程度軟らかい樹脂で構成されている方が望ましい。このため、筆軸は、ポリプロピレン，ＰＢＴ，ＰＯＭ，比較的硬いＰＡ（ナイロン）等のある程度硬い樹脂（第１の樹脂）で構成し、筆毛部（筆毛）は、ポリエチレン，比較的軟らかいＰＡ（ナイロン），ＰＥＴ，エラストマー等のある程度軟らかい樹脂（第２の樹脂）で構成することが望ましい。   In addition, it is desirable that the brush shaft, which is the handle portion, be made of a resin that is hard to some extent when operating the applicator. On the other hand, it is desirable that the brush portion (brush), which is a part where cosmetics are applied to the lips and the skin, is made of a soft resin to some extent so as not to damage the lips and the skin. For this reason, the brush shaft is made of a somewhat hard resin (first resin) such as polypropylene, PBT, POM, or relatively hard PA (nylon), and the brush portion (brush) is made of polyethylene or relatively soft PA. It is desirable to use a resin (second resin) that is soft to some extent, such as (nylon), PET, or elastomer.

そして、ある程度軟らかい樹脂で構成された筆毛部における筆毛は、単に細いだけではなく、横断面略円形で、先端側ほど細いテーパ形状で、先端に丸みが設けられているので、使用者の唇や皮膚等を傷つけることがない。即ち、前記した第２の問題が解消される。なお、筆毛部（筆毛）がある程度軟らかい樹脂で構成されているとしても、筆軸がある程度硬い樹脂で構成されることで、塗布具の操作性が低下することもない。   And the brush in the brush part composed of a resin that is soft to some extent is not only thin, but also has a substantially circular cross section and a tapered shape that is thinner toward the tip side, and the tip is rounded. Does not hurt lips or skin. That is, the second problem described above is solved. Even if the brush portion (brush) is made of a resin that is soft to some extent, the operability of the applicator is not lowered by making the brush shaft of a resin that is hard to some extent.

前記第２の目的を達成するために、請求項２においては、請求項１に記載の化粧料塗布具において、前記筆毛部には、太い筆毛と細い筆毛とが混在するように構成した。   In order to achieve the second object, in claim 2, in the cosmetic applicator according to claim 1, the brush portion is configured such that thick brush hair and thin brush hair are mixed. did.

（作用）細い筆毛は、腰が軟らかいため、輪郭を描き難い等、化粧料を塗布しにくい（操作性に劣る）が、唇や皮膚等の塗布面を傷めない。一方、太い筆毛は、腰が硬いため、唇や皮膚等の塗布面を傷めるおそれがあるが、輪郭を描き難い等、化粧料を塗布し易い。このため、筆毛部における筆毛としては、太い筆毛と細い筆毛とを混在させ、しかもその割合を調整することで、筆毛部（筆毛全体）の腰の強さを変えることができる。即ち、化粧料を塗布する塗布具の操作性と、唇や皮膚等の塗布面を傷めない優しさとのいずれを主とするかによって、混在させる太い筆毛と細い筆毛の割合いを調整して、筆毛全体の腰の強さを適切なものにできる。即ち、前記した第３の問題が解消される。   (Action) The thin brush has a soft waist and is difficult to draw a contour because it is difficult to draw a contour (inferior in operability), but does not damage the application surface such as lips and skin. On the other hand, a thick brush has a low waist and may damage the application surface such as the lips and skin, but it is difficult to draw a contour and is easy to apply cosmetics. For this reason, as the brush in the brush portion, it is possible to change the waist strength of the brush portion (whole brush) by mixing thick brush hair and thin brush hair and adjusting the ratio thereof. it can. In other words, the ratio of thick and thin brushes to be mixed is adjusted depending on whether operability of the applicator for applying cosmetics or gentleness that does not damage the application surface such as lips and skin is the main. Thus, the waist strength of the entire brush can be made appropriate. That is, the third problem described above is solved.

請求項３においては、請求項２に記載の化粧料塗布具において、前記筆毛部には、太い筆毛と細い筆毛とが略均等に分布するように構成した。   According to a third aspect of the present invention, in the cosmetic applicator according to the second aspect of the present invention, the thick brush and the thin brush are distributed substantially uniformly in the brush portion.

（作用）腰の軟らかい細い筆毛と腰の硬い太い筆毛が略均等に分布するので、筆毛部（筆毛全体）の腰の強さが、軟らかすぎることも硬すぎることもない適度なものとなる。   (Action) Since the thin brush with soft waist and the thick brush with hard waist are distributed almost evenly, the strength of the waist of the brush part (whole brush) is not too soft or too hard. It will be a thing.

請求項４においては、請求項２に記載の化粧料塗布具において、前記筆毛部の外側寄りに太い筆毛を配置し、その内側寄りに細い筆毛を配置するように構成した。   According to a fourth aspect of the present invention, the cosmetic applicator according to the second aspect is configured such that a thick brush is disposed closer to the outer side of the brush part and a thinner brush is disposed closer to the inner side.

（作用）筆毛部（筆毛全体）の外側寄りが腰の強い筆毛（太い筆毛）で構成されているため、化粧料を塗布する際には、筆毛部（筆毛全体）を塗布面に押し付けても筆毛部（筆毛全体）は必要以上に変形しない。   (Effects) Because the outer side of the brush part (whole brush) is composed of strong brush (thick brush), when applying cosmetics, the brush part (whole brush) Even when pressed against the coated surface, the brush portion (the entire brush) does not deform more than necessary.

請求項５においては、請求項２に記載の化粧料塗布具において、前記筆毛部の外側寄りに細い筆毛を配置し、その内側寄りに太い筆毛を配置するように構成した。   According to a fifth aspect of the present invention, in the cosmetic applicator according to the second aspect, a thin brush is disposed near the outside of the brush portion, and a thick brush is disposed near the inside.

（作用）筆毛部（筆毛全体）の外側寄りが腰の弱い筆毛（細い筆毛）で構成されているため、化粧料を塗布する際には、主に筆毛部（筆毛全体）の外側寄りの腰の軟らかい筆毛が唇や皮膚の等の塗布面に当たる。   (Effect) The brush part (whole brush) is made up of weak brushes (thin brushes) that are close to the outside, so when applying cosmetics, the brush part (whole brush) ) The soft brush of the waist near the outside of the struck the application surface such as lips and skin.

以上の説明から明らかなように，請求項１に関わる化粧料塗布具によれば，材料費が安価で、筆毛の製造工程が簡略化される分、塗布具を低価格で提供できる。   As is apparent from the above description, according to the cosmetic applicator according to claim 1, the material cost is low, and the applicator can be provided at a low price because the manufacturing process of the brush is simplified.

また、軟らかい樹脂製の筆毛を単に細いだけでなく、横断面略円形の先細テーパ形でしかも先端を丸くしたので、塗布する際に唇や皮膚等の塗布面を傷めるおそれが確実に回避されるし、筆軸を比較的硬い樹脂で構成することで、塗布具としての操作性にも優れ、スムーズな化粧料の塗布も可能となる。   In addition, the soft resin brush is not only thin, but it has a tapered taper shape with a substantially circular cross section and a rounded tip, which ensures that the application surface such as lips and skin is not damaged during application. In addition, since the brush shaft is made of a relatively hard resin, the operability as an applicator is excellent, and smooth cosmetic application is possible.

請求項２によれば、混在させる太い筆毛と細い筆毛の割合いを調整して、筆毛全体の腰の強さを変えることができるので、塗布具の操作性と唇や皮膚等を傷めない優しさの双方の特性を考慮した望ましい筆毛全体の腰の強さを選択することで、使用者の種々のニーズに合致する化粧料塗布具を提供できる。   According to claim 2, the ratio of the thick brush hair and the thin brush hair to be mixed can be adjusted to change the waist strength of the entire brush brush. A cosmetic applicator that meets the various needs of the user can be provided by selecting the desired waist strength of the entire brush in consideration of the characteristics of both gentleness and harmlessness.

請求項３によれば、筆毛全体の腰の強さが軟らかすぎることも硬すぎることもない適度なものとなって、化粧料を塗布する塗布具の操作性と唇や皮膚等の塗布面を傷めるおそれのない優しさの双方の特性を併せ持つ化粧料塗布具が得られる。   According to claim 3, the strength of the entire brush is not too soft or too hard, and the operability of the applicator for applying the cosmetic and the application surface of the lips, skin, etc. A cosmetic applicator having both characteristics of gentleness without damaging the skin is obtained.

請求項４によれば、化粧料を塗布する際に、筆毛全体が塗布面に倣った形状に適度に変形するものの、必要以上に変形しないため、それだけ輪郭を描きやすい等、化粧料の塗布が容易となる。   According to claim 4, when the cosmetic is applied, the entire brush is appropriately deformed into a shape that follows the application surface, but it is not deformed more than necessary, so that it is easy to draw a contour, etc. Becomes easy.

請求項５によれば、化粧料を塗布する際に、主に筆毛全体の外側寄りの腰の軟らかい筆毛が唇や皮膚等の塗布面に当たるため、それだけ唇や皮膚が傷つきにくい。   According to the fifth aspect, when applying the cosmetic, since the soft brush on the lower side of the entire brush mainly hits the application surface such as the lips and the skin, the lips and the skin are hardly damaged.

本発明に係る化粧料塗布具であるリップグロス塗布具の第１の実施例の縦断面図である。It is a longitudinal cross-sectional view of the 1st Example of the lip gloss applicator which is a cosmetic applicator which concerns on this invention. 同リップグロス塗布具の要部分解断面図である。It is a principal part disassembled sectional view of the lip gloss applicator. 同リップグロス塗布具の要部である筆毛部の側面図である。It is a side view of the brush part which is the principal part of the lip gloss applicator. 同筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an enlarged bottom view (figure which looked at the brush part from the front) of the brush part. 同筆毛部を射出成形する金型の縦断面図である。It is a longitudinal cross-sectional view of the metal mold | die which injection-molds the same brush part. 同筆毛部の筆毛成形用分割金型（可動側金型）の断面図（図５に示す線ＶＩ−ＶＩに沿う断面図）である。It is sectional drawing (sectional drawing in alignment with line VI-VI shown in FIG. 5) of the split mold for brush shaping | molding (movable side metal mold | die) of the same brush part. 本発明に係る化粧料塗布具であるリップグロス塗布具の第２の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an enlarged bottom view (figure which looked at the brush part from the front) which is the principal part of the 2nd example of the lip gloss applicator which is a cosmetics applicator concerning the present invention. 本発明に係る化粧料塗布具であるリップグロス塗布具の第３の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an expanded bottom view (figure which looked at the brush part from the front) which is the principal part of the 3rd Example of the lip gloss applicator which is a cosmetic applicator which concerns on this invention. 本発明に係る化粧料塗布具であるリップグロス塗布具の第４の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an expanded bottom view (figure which looked at the brush part from the front) which is the principal part of the 4th Example of the lip gloss applicator which is a cosmetics applicator which concerns on this invention. 本発明に係る化粧料塗布具であるリップグロス塗布具の第５の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an enlarged bottom view (figure which looked at the brush part from the front) which is the principal part of the 5th Example of the lip gloss applicator which is a cosmetics applicator concerning the present invention. 本発明に係る化粧料塗布具であるリップグロス塗布具の第６の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an enlarged bottom view (figure which looked at the brush part from the front) which is the principal part of the 6th Example of the lip gloss applicator which is a cosmetics applicator which concerns on this invention. 本発明に係る化粧料塗布具であるリップグロス塗布具の第７の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an expanded bottom view (figure which looked at the brush part from the front) which is the principal part of the 7th Example of the lip gloss applicator which is a cosmetic applicator which concerns on this invention. 本発明に係る化粧料塗布具であるリップグロス塗布具の第８の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。It is an expanded bottom view (figure which looked at the brush part from the front) which is the principal part of the 8th Example of the lip gloss applicator which is a cosmetics applicator which concerns on this invention.

以下、本発明の実施の形態を実施例に基づいて説明する。   Hereinafter, embodiments of the present invention will be described based on examples.

図１〜６は、本発明に係る化粧料塗布具の第１の実施例を示し、図１は、化粧料塗布具であるリップグロス塗布具の第１の実施例の縦断面図、図２は同リップグロス塗布具の要部分解断面図、図３は同リップグロス塗布具の要部である筆毛部の側面図、図４は同筆毛部の拡大底面図（筆毛部を正面から見た図）、図５は同筆毛部を射出成形する金型の縦断面図、図６は筆毛部の筆毛成形用分割金型（可動側金型）の断面図（図５に示す線ＶＩ−ＶＩに沿う断面図）である。   1 to 6 show a first embodiment of a cosmetic applicator according to the present invention, and FIG. 1 is a longitudinal sectional view of a first embodiment of a lip gloss applicator that is a cosmetic applicator, FIG. Is an exploded cross-sectional view of the main part of the lip gloss applicator, FIG. 3 is a side view of the brush part which is the main part of the lip gloss applicator, and FIG. 4 is an enlarged bottom view of the brush part (front side of the brush part). FIG. 5 is a longitudinal sectional view of a mold for injection molding the brush portion, and FIG. 6 is a sectional view of a divided mold for molding the brush portion (movable mold) (FIG. 5). FIG. 6 is a cross-sectional view taken along line VI-VI shown in FIG.

これらの図、特に図１，２において、符号１０は、内部にリップグロス液Ｌが収容された円筒形状の細長い化粧料容器で、その上方には、容器１０の内径より小さい内径の筆軸挿入用の口部１２が設けられ、口部１２の外周には、雄ねじ部１３が形成されて、筆軸３０後端部に一体化したキャップ３２の雌ねじ部３３が螺合できるように構成されている。   In these drawings, particularly in FIGS. 1 and 2, reference numeral 10 denotes a cylindrical elongated cosmetic container in which the lip gloss liquid L is accommodated, and a brush shaft having an inner diameter smaller than the inner diameter of the container 10 is inserted above the container. A mouth portion 12 is provided, and a male screw portion 13 is formed on the outer periphery of the mouth portion 12 so that a female screw portion 33 of a cap 32 integrated with a rear end portion of the writing shaft 30 can be screwed together. Yes.

ポリプロピレン製の筆軸３０の軸部３６先端には、前方に開口する穴３７が設けられ、この穴３７にポリエチレン製の筆毛部４０が取着一体化されている。   A hole 37 that opens forward is provided at the tip of the shaft portion 36 of the polypropylene brush shaft 30, and a brush portion 40 made of polyethylene is integrally attached to the hole 37.

筆毛部４０は、略円柱形状の基端部４２と、基端部４２の前端面４２ａから平行に前方に延出する多数本の細い筆毛４４が、ポリエチレン樹脂の一体成形体として構成されている。そして、筆軸３０の軸部３６先端の穴３７に筆毛部４０の基端部４２を挿入した後、筆軸３０（軸部３６）先端部の周方向複数箇所を半径方向内側に塑性変形させるダボカシメ３８により、筆毛部４０（の基端部４２）が筆軸３０に固定されている。   The brush portion 40 includes a substantially cylindrical base end portion 42 and a large number of thin brush tips 44 extending in parallel from the front end face 42a of the base end portion 42 as an integrally molded body of polyethylene resin. ing. And after inserting the base end part 42 of the brush part 40 in the hole 37 at the front-end | tip part of the axial part 36 of the brush shaft 30, plastic deformation of the circumferential direction several places of the front-end | tip part of the brush axis 30 (shaft part 36) is carried out plastically. The brush portion 40 (the base end portion 42 thereof) is fixed to the brush shaft 30 by the dowel caulking 38 to be performed.

このように、柄の部分である筆軸３０は、塗布具の操作性を考慮して、ある程度硬い樹脂（ポリプロピレン）で構成され、一方、唇にリップグロスを塗布する部位である筆毛部４０（筆毛４４）は、唇を傷つけないように、ある程度軟らかい樹脂（ポリエチレン）で構成されている。   In this way, the brush shaft 30 that is the handle portion is made of a resin (polypropylene) that is hard to some extent in consideration of the operability of the applicator, and on the other hand, the brush portion 40 that is a part that applies lip gloss to the lips. (Brush 44) is made of a resin (polyethylene) that is soft to some extent so as not to damage the lips.

なお、符号４３は、基端部４２の外周面に周設されているリング状の凹条部で、後で詳しく説明するが、図５に示すように、後述する筆毛部成形用の金型５０ＡのキャビティＣ１の内周面に設けられているリング状の凸条部５２と軸方向に係合して、射出成形後の型開きの際に、筆毛部４０（の基端部４２）をキャビティＣ１に対し抜け止め保持して、成形された筆毛４４の可動側金型５０Ｂ（のキャビティＣ２）からの離型を確保するために機能する。   Reference numeral 43 is a ring-shaped concave strip provided on the outer peripheral surface of the base end portion 42, which will be described in detail later. As shown in FIG. When the mold is opened after injection molding by engaging with a ring-shaped protruding portion 52 provided on the inner peripheral surface of the cavity C1 of the mold 50A in the axial direction, ) With respect to the cavity C1, and functions to secure the release of the molded brush 44 from the movable mold 50B (the cavity C2 thereof).

また、符号１４は、容器１０の口部１２に嵌着された可撓性に富む合成樹脂製の円筒形状の中栓１４で、容器１０内に突出する中栓１４の内側下端部寄りには、容器１０から筆軸３０を抜き出す際に筆軸３０の軸部３６や筆毛４４に付着した余分のリップグロス液Ｌを掻き落として清掃するワイパー１５が形成されている。   Reference numeral 14 denotes a flexible plastic-made cylindrical inner plug 14 fitted in the mouth portion 12 of the container 10, near the inner lower end of the inner plug 14 protruding into the container 10. The wiper 15 is formed by scraping off and cleaning the excess lip gloss liquid L adhering to the shaft portion 36 and the brush 44 of the brush shaft 30 when the brush shaft 30 is extracted from the container 10.

また、筆毛部４０の筆毛４４は、図３，４に拡大して示すように、略等間隔に配置された全２７本で構成されているが、何れの筆毛４４も、横断面略円形で、先端側ほど細いテーパ形状（付け根側の外径０．４ｍｍ，先端側の外径０．２ｍｍ，延出長さ１１ｍｍ）で、先端には丸みが設けられている。   Moreover, the brush 44 of the brush part 40 is comprised by all 27 pieces arrange | positioned at substantially equal intervals, as expanded and shown to FIG. It is substantially circular and has a tapered shape (the outer diameter on the base side is 0.4 mm, the outer diameter on the front end side is 0.2 mm, the extension length is 11 mm), and the tip is rounded.

また、各筆毛４４は、図３，４に示すように、全長９ｍｍの基端部４２の前端面（外径３．４ｍｍ）４２ａに左右方向等ピッチ（例えば、０．７ｍｍピッチ）に配置されて、上下方向等間隔（例えば、０．５ｍｍ間隔）に５列配置されている。そして、左右方向等ピッチで５本の筆毛が配置された上下方向上から１，３，５列目と、左右方向等ピッチで６本の筆毛が配置された上下方向上から２，４列目とは、筆毛４４が左右方向に半ピッチ（０．３５ｍｍ）ずれて配置されている。   Further, as shown in FIGS. 3 and 4, each brush 44 is arranged on the front end surface (outer diameter 3.4 mm) 42 a of the base end portion 42 having a total length of 9 mm at the same pitch in the left-right direction (for example, 0.7 mm pitch). Thus, five rows are arranged at equal intervals in the vertical direction (for example, 0.5 mm intervals). The first, third, and fifth rows from the top and bottom in which five brushes are arranged at equal pitches in the left and right direction and the second and fourth from the top and bottom in which six brushes are arranged at equal pitches in the left and right direction. In the row, the brush 44 is arranged with a half-pitch (0.35 mm) shift in the left-right direction.

このように、比較的軟らかい樹脂で構成された筆毛部４０における筆毛４４は、単に細いだけでなく、横断面略円形で、先端側ほど細いテーパ形状で、しかも先端には丸みが設けられているので、リップグロスを塗布する際に使用者の唇やを傷つけることがない。   As described above, the brush 44 in the brush portion 40 made of a relatively soft resin is not only thin, but also has a substantially circular cross section and a tapered shape that is thinner toward the tip side, and the tip is rounded. Therefore, it does not hurt the user's lips when applying the lip gloss.

また、筆毛部４０の筆毛４４を成形するためには、成形用の金型に非常に細い高精度の穴（筆毛を成形するための穴）を設ける必要があるが、金型に高精度の穴を穿設する加工が非常に難しいため、図５，６に示す分割金型構造が採用されている。   In addition, in order to mold the brush 44 of the brush portion 40, it is necessary to provide a very thin high-precision hole (a hole for molding the brush) in the molding die. Since it is very difficult to drill a hole with high accuracy, the split mold structure shown in FIGS.

即ち、図５，６の符号５０は、筆毛部４０を射出成形する金型で、固定側金型５０Ａと、固定側金型５０Ａに対し接近離反動作（左右方向に摺動）可能な可動側金型５０Ｂで構成されている。固定側金型５０Ａ内には、筆毛部４０の基端部４２成形用の１個の円柱形状キャビティＣ１が設けられ、可動側金型５０Ｂ内には、キャビティＣ１に連通する、筆毛部４０の各筆毛４４成形用の２７個の細長いキャビティＣ２がほぼ等間隔に設けられている。固定側金型５０Ａには、樹脂注入口５１が設けられており、金型５０Ａ，５０Ｂを型締めした状態で、図５矢印に示すように、樹脂注入口５１から注入された溶融樹脂が、金型５０（５０Ａ，５０Ｂ）内のキャビティＣ１，Ｃ２に充填されるように構成されている。   That is, reference numeral 50 in FIGS. 5 and 6 is a mold for injection-molding the brush portion 40, and is movable and can move toward and away from the fixed mold 50A and the fixed mold 50A (sliding in the left-right direction). It is comprised by the side metal mold | die 50B. In the fixed mold 50A, one cylindrical cavity C1 for forming the base end 42 of the brush section 40 is provided, and in the movable mold 50B, the brush section that communicates with the cavity C1. Twenty-seven elongated cavities C2 for molding 40 brushes 44 are provided at approximately equal intervals. The fixed mold 50A is provided with a resin injection port 51. With the molds 50A and 50B being clamped, the molten resin injected from the resin injection port 51 as shown by the arrows in FIG. The cavities C1 and C2 in the mold 50 (50A and 50B) are filled.

図５におけるＰＬは、金型５０（５０Ａ，５０Ｂ）のパーティングラインを示す。金型５０内の射出成形品である筆毛部４０が冷えた段階で、可動側金型５０Ｂを固定側金型５０Ａから離間させて、成形された筆毛４４を可動側金型５０Ｂ（キャビティＣ２）から分離させる型開きを行う。成形された基端部４２側の凹条部４３がキャビティＣ１の内周面に形成されているリング状凸条部５２に係合しているため、型開きの際には、筆毛部４０（の基端部４２）が固定側金型５０Ａに抜け止め保持されて、成形された筆毛４４を可動側金型５０Ｂ（のキャビティＣ２）から確実に分離できる。その後、固定側金型５０Ａに設けられている突き出しピン（図示せず）を駆動して、筆毛部４０（の基端部４２）を金型５０Ａの開口側（図５左方向）に突き出すことで、固定側金型５０Ａから筆毛部４０（の基端部４２）を分離できる。   PL in FIG. 5 indicates a parting line of the mold 50 (50A, 50B). When the brush portion 40 which is an injection molded product in the mold 50 is cooled, the movable side mold 50B is separated from the fixed side mold 50A, and the molded brush 44 is moved to the movable side mold 50B (cavity). Open the mold to be separated from C2). Since the formed concave strip 43 on the base end portion 42 side is engaged with the ring-shaped convex strip 52 formed on the inner peripheral surface of the cavity C1, the brush portion 40 is opened when the mold is opened. (The base end portion 42) is retained by the fixed mold 50A to prevent the molded brush 44 from being separated from the movable mold 50B (the cavity C2). Thereafter, a protrusion pin (not shown) provided on the fixed-side mold 50A is driven to protrude the brush portion 40 (the base end portion 42) toward the opening side (left direction in FIG. 5) of the mold 50A. Thus, the brush part 40 (the base end part 42) can be separated from the fixed mold 50A.

なお、可動側金型５０Ｂは、図５，６に示すように、上下方向に積層一体化された６段の分割金型５４Ａ〜５４Ｆで構成されている。分割金型５４Ａ〜５４Ｆの互いに密着する上下の側面には、それぞれ筆毛４４を縦割りした形状に整合する細い凹溝５５が形成されており、上下に対応する一対の凹溝５５，５５によって、筆毛成形用のキャビティＣ２が画成されている。即ち、分割金型５４Ａ，５４Ｂによって、図４上下方向上から１列目の５本の筆毛４４を成形する５個のキャビティＣ２１が画成され、分割金型５４Ｂ，５４Ｃによって、図４上下方向上から２列目の６本の筆毛４４を成形する６個のキャビティＣ２２が画成され、分割金型５４Ｃ，５４Ｄによって、図４上下方向上から３列目の５本の筆毛４４を成形する５個のキャビティＣ２３が画成され、分割金型５４Ｄ，５４Ｅによって、図４上下方向上から４列目の６本の筆毛４４を成形する６個のキャビティＣ２４が画成され、分割金型５４Ｅ，５４Ｆによって、図４上下方向上から５列目の５本の筆毛４４を成形する５個のキャビティＣ２５が画成されている。   As shown in FIGS. 5 and 6, the movable side mold 50 </ b> B is composed of six stages of divided molds 54 </ b> A to 54 </ b> F stacked and integrated in the vertical direction. On the upper and lower side surfaces of the divided molds 54A to 54F that are in close contact with each other, there are formed thin concave grooves 55 that match the shape of the brush 44 divided vertically, and the pair of concave grooves 55, 55 corresponding to the upper and lower sides. A brush forming cavity C2 is defined. That is, five cavities C21 for molding the five brushes 44 in the first row from the top in the vertical direction of FIG. 4 are defined by the divided molds 54A and 54B. Six cavities C22 for molding the six brushes 44 in the second row from the top are defined, and the five brushes 44 in the third row from the top in the vertical direction in FIG. 4 are formed by the divided molds 54C and 54D. 5 cavities C23 are formed, and six cavities C24 for forming the six brushes 44 in the fourth row from the top and bottom in FIG. 4 are defined by the divided molds 54D and 54E. The divided molds 54E and 54F define five cavities C25 for molding the five brushes 44 in the fifth row from the top in the vertical direction in FIG.

図７〜１３は、本発明に係る化粧料塗布具の第２〜第６の実施例を示し、いずれの実施例においても、筆毛部の筆毛が、太い筆毛と細い筆毛とが混在するように構成されている。   FIGS. 7 to 13 show second to sixth examples of the cosmetic applicator according to the present invention. In any of the examples, the brush part has a thick brush and a thin brush. It is configured to be mixed.

まず、図７は、リップグロス塗布具の第２の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）で、請求項４に対応する実施例である。   First, FIG. 7 is an enlarged bottom view of the brush portion that is a main part of the second embodiment of the lip gloss applicator (a view of the brush portion as viewed from the front), and is an embodiment corresponding to claim 4. is there.

この実施例では、筆毛部４０Ａの筆毛が、外側寄りに配置された太い筆毛４４ａと、内側寄りに配置された細い筆毛４４ｂで構成されている。   In this embodiment, the brush of the brush portion 40A is composed of a thick brush 44a arranged on the outer side and a thin brush 44b arranged on the inner side.

細い筆毛４４ｂは、前記した第１の実施例における筆毛４４と同様、横断面略円形で、先端側ほど細いテーパ形状（付け根側の外径０．４ｍｍ，先端側の外径０．２ｍｍ，延出長さ１１ｍｍ）で、先端には丸みが設けられている。   The thin brush 44b, like the brush 44 in the first embodiment described above, has a substantially circular cross section and a tapered shape that is thinner toward the tip side (outer diameter 0.4mm on the base side, outer diameter 0.2mm on the tip side). , Extending length 11 mm), and the tip is rounded.

一方、太い筆毛４４ａは、横断面略円形で、先端側ほど細いテーパ形状（付け根側の外径０．５ｍｍ，先端側の外径０．３ｍｍ，延出長さ１１ｍｍ）で、先端には丸みが設けられている。   On the other hand, the thick brush 44a has a substantially circular cross section and has a tapered shape (the outer diameter on the base side is 0.5 mm, the outer diameter on the front side is 0.3 mm, and the extension length is 11 mm). A roundness is provided.

その他の構成は、前記第１の実施例と同様であり、同一の符号を付すことで、その重複した説明は省略する。   Other configurations are the same as those of the first embodiment, and the same reference numerals are given, and the duplicated explanation is omitted.

この第２の実施例の塗布具では、筆毛部４０Ａを構成する筆毛全体の外側寄りが腰の強い太い筆毛４４ａで構成されていることから、リップグロスを塗布する際には、筆毛全体を塗布面に押し付けても筆毛全体が塗布面に倣った形状に適度に変形するものの、必要以上に変形しないため、それだけ輪郭を描きやすい等、スムーズにリップグロスを塗布できる。   In the applicator of the second embodiment, the outer side of the entire brush constituting the brush portion 40A is composed of the thick brush 44a having a strong waist, so when applying lip gloss, Even if the entire bristles are pressed against the application surface, the entire brush will be appropriately deformed into a shape following the application surface, but it will not be deformed more than necessary, so that the lip gloss can be applied smoothly.

図８は、リップグロス塗布具の第３の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）で、請求項５に対応する実施例である。   FIG. 8 is an enlarged bottom view of the brush portion (a view of the brush portion as viewed from the front), which is the main part of the third embodiment of the lip gloss applicator, and is an embodiment corresponding to claim 5.

この実施例の塗布具では、筆毛部４０Ｂの筆毛が、外側寄り配置された細い筆毛４４ｂと、内側寄りに配置された太い筆毛４４ａで構成されている。その他の構成は、前記第１の実施例と同様であり、同一の符号を付すことで、その重複した説明は省略する。   In the applicator of this embodiment, the brush of the brush portion 40B is composed of the thin brush 44b disposed closer to the outer side and the thick brush 44a disposed closer to the inner side. Other configurations are the same as those of the first embodiment, and the same reference numerals are given, and the duplicated explanation is omitted.

この第３の実施例の塗布具では、筆毛部４０Ｂを構成する筆毛全体の外側寄りが腰の弱い細い筆毛４４ｂで構成されているため、リップグロスを塗布する際には、主に筆毛全体の外側寄りの腰の軟らかい細い筆毛４４ｂが唇の塗布面に当たり、それだけ唇が傷つきにくい。   In the applicator of the third embodiment, since the outer side of the entire brush constituting the brush portion 40B is composed of thin brush 44b having a weak waist, when applying lip gloss, The soft, thin brush 44b near the outer side of the entire brush hits the application surface of the lips, and the lips are less likely to be damaged.

図９，１０は、リップグロス塗布具の第４，５の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。   9 and 10 are enlarged bottom views (views of the brush portion viewed from the front) of the brush portion, which is a main part of the fourth and fifth embodiments of the lip gloss applicator.

筆毛部４０Ｃ，４０Ｄを正面視する図９，１０において、筆毛は、上下方向に５列平行に配置されているが、図９に示す第４の実施例では、上下方向上から１，３，５列目に太い筆毛４４ａが配置され、上下方向上から２，４列目に細い筆毛４４ｂが配置されている。即ち、太い筆毛４４ａの列（１，３，５列目）の間に細い筆毛４４ｂの列（２，４列目）が挟まれて配置されている。   In FIGS. 9 and 10 in which the brush portions 40C and 40D are viewed from the front, the brushes are arranged in parallel in five rows in the vertical direction, but in the fourth embodiment shown in FIG. The thick brush 44a is arranged in the third and fifth rows, and the thin brush 44b is arranged in the second and fourth rows from the top and bottom. That is, the thin brush brush 44b (second and fourth rows) is arranged between the thick brush brush 44a (first, third and fifth rows).

その他の構成は、前記第１の実施例と同様であり、同一の符号を付すことで、その重複した説明は省略する。   Other configurations are the same as those of the first embodiment, and the same reference numerals are given, and the duplicated explanation is omitted.

第４の実施例では、筆毛部４０Ｃを構成する筆毛全体の幅広の側面（上下の側面）に腰の硬い太い筆毛４４ａが配置されているため、図９矢印方向に筆軸３０（筆毛部４０Ｃ）を動かしてリップグロスを塗布する際には、筆毛全体を塗布面に押し付けても筆毛部４０Ｃ先端側が塗布面に倣った形状に適度に変形するものの、必要以上に変形せず、それだけ輪郭を描きやすい等、スムーズにリップグロスを塗布できる。   In the fourth embodiment, since the thick brush 44a having a stiff waist is arranged on the wide side (upper and lower sides) of the entire brush constituting the brush part 40C, the brush shaft 30 ( When applying the lip gloss by moving the brush part 40C), the tip of the brush part 40C is appropriately deformed to follow the application surface even if the entire brush is pressed against the application surface, but it deforms more than necessary. The lip gloss can be applied smoothly.

一方、図１０に示す第５の実施例では、上下方向上から１，３，５列目に細い筆毛が配置され、上下方向上から２，４列目に太い筆毛が配置されている。即ち、細い筆毛４４ｂの列（１，３，５列目）の間に太い筆毛４４ｂの列（２，４列目）が挟まれて配置されている。   On the other hand, in the fifth embodiment shown in FIG. 10, thin brushes are arranged in the first, third and fifth rows from the top and bottom, and thick brushes are arranged in the second and fourth rows from the top and bottom. . That is, the rows of thick brush 44b (second and fourth rows) are arranged between the rows of thin brush 44b (first, third and fifth rows).

その他の構成は、前記第１の実施例と同様であり、同一の符号を付すことで、その重複した説明は省略する。   Other configurations are the same as those of the first embodiment, and the same reference numerals are given, and the duplicated explanation is omitted.

第５の実施例では、筆毛部４０Ｄを構成する筆毛全体の幅広の側面（上下の側面）に腰の軟らかい細い筆毛４４ｂが配置されているため、図１０矢印方向に筆軸（筆毛部４０Ｄ）を動かしてリップグロスを塗布する際には、主に筆毛全体の外側寄りの腰の軟らかい細い筆毛４４ｂが唇（の塗布面）に当たり、それだけ唇が傷つきにくい。   In the fifth embodiment, the thin brush 44b with soft waist is arranged on the wide side (upper and lower sides) of the entire brush constituting the brush part 40D. When the lip gloss is applied by moving the hair 40D), the soft thin brush 44b on the outer side of the entire brush mainly hits the lips (application surface thereof), and the lips are hardly damaged.

また、腰の弱い細い筆毛４４ｂの列の間（２，４列目）に配置されている腰の強い太い筆毛４４ａが筆毛部４０Ｄ先端側（筆毛全体）の必要以上の変形を阻止するので、輪郭を描き易く、スムーズにリップグロスを塗布できる。   Moreover, the thick brush 44a with strong waist arranged between the rows of thin brush 44b with weak waist (second and fourth rows) deforms more than necessary on the tip side of the brush portion 40D (the entire brush). Since it prevents it, it is easy to draw a contour and lip gloss can be applied smoothly.

図１１は、化粧料塗布具であるリップグロス塗布具の第６の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）で、請求項３に対応する実施例ある。   FIG. 11 is an enlarged bottom view of the brush portion (a view of the brush portion as viewed from the front), which is a main part of the sixth embodiment of the lip gloss applicator that is a cosmetic applicator, and corresponds to claim 3. There is an example to do.

この実施例では、上下方向５列に配置された筆毛が、太い筆毛４４ａと細い筆毛４４ｂとが左右方向交互となるように配置されて、１５本の腰が硬い太い筆毛４４ａと１２本の腰の軟らかい細い筆毛４４ｂとがほぼ均等に分布した構造で、筆毛部４０Ｅを構成する筆毛全体の腰の強さが、リップグロスを塗布する塗布具の操作性の上でも、また唇を傷めない優しさの上でも、硬すぎることも柔らかすぎることもない適切なものとなっている。   In this embodiment, the brushes arranged in five rows in the vertical direction are arranged so that the thick brush 44a and the thin brush 44b alternate in the left-right direction, and the fifteen thick brushes 44a having a stiff waist The twelve soft and thin brushes 44b have a structure in which the brushes 44b are distributed almost evenly. In addition, it is suitable for the kindness that does not damage the lips, and it is neither too hard nor too soft.

その他の構成は、前記第１の実施例と同様であり、同一の符号を付すことで、その重複した説明は省略する。   Other configurations are the same as those of the first embodiment, and the same reference numerals are given, and the duplicated explanation is omitted.

図１２，１３は、化粧料塗布具であるリップグロス塗布具の第７，第８の実施例の要部である筆毛部の拡大底面図（筆毛部を正面から見た図）である。   12 and 13 are enlarged bottom views (views of the brush portion viewed from the front) of the brush portion, which is a main part of the seventh and eighth embodiments of the lip gloss applicator that is a cosmetic applicator. .

図１２に示す第７の実施例の筆毛部４０Ｆでは、図６に示す第２の実施例の筆毛部４０Ａにおける横断面円形の太い筆毛４４ａが横断面楕円形で先細テーパ形状の太い筆毛４４ｃで構成されている点、図１３に示す第８の実施例の筆毛部４０Ｇでは、図７に示す第３の実施例の筆毛部４０Ｃにおける横断面円形の太い筆毛４４ａが横断面楕円形で先細テーパ形状の太い筆毛４４ｃで構成されている点が、第２，第３の実施例とそれぞれ異なっている。その他は、前記第２，第３の実施例とそれぞれ同様であり、同一の符号を付すことで、その重複した説明は省略する。   In the brush portion 40F of the seventh embodiment shown in FIG. 12, the thick brush 44a having a circular cross section in the brush portion 40A of the second embodiment shown in FIG. 6 is elliptical in cross section and thick in a tapered shape. In the brush portion 40G of the eighth embodiment shown in FIG. 13, the thick brush hair 44a having a circular cross section in the brush portion 40C of the third embodiment shown in FIG. The second embodiment is different from the second and third embodiments in that the brush brush 44c has an elliptical cross section and a tapered shape. Others are the same as those in the second and third embodiments, respectively, and the same reference numerals are given to omit redundant description.

前記した第２，第３の実施例では、それぞれ太い筆毛４４ａが横断面円形に構成されているため、図７，８の上下左右斜めの如何なる方向に対しての筆毛４４ａの可撓性は同じである。このため、図７（図８）の上下左右斜めの何れの方向に筆毛部４０Ａ（４０Ｂ）を動かしても、筆毛部４０Ａ（４０Ｂ）における腰の強さにそれほど大きな差が無いが、第７，第８の実施例では、太い筆毛４４ｃを横断面楕円形に構成したことで、筆毛部４０Ｆ，４０Ｇを動かす方向によって筆毛全体の腰の強さが大きく違うという特徴がある。   In the second and third embodiments described above, the thick brush 44a has a circular cross section, and therefore the flexibility of the brush 44a in any of the oblique directions of FIGS. Are the same. For this reason, even if the brush part 40A (40B) is moved in any of the upper, lower, left, and right diagonal directions in FIG. 7 (FIG. 8), there is no great difference in the strength of the waist in the brush part 40A (40B). In the seventh and eighth embodiments, since the thick brush 44c is formed in an elliptical cross section, the waist strength of the entire brush differs greatly depending on the direction in which the brush portions 40F and 40G are moved. .

即ち、第７（第８）の実施例では、筆毛部４０Ｆ，４０Ｇを構成する筆毛全体の幅広の側面を構成する（幅広の側面に沿って配置された）横断面楕円形状の筆毛４４ｃは、いずれも図１２，１３の左右方向よりも上下方向に変形し易い（上下方向よりも左右方向に変形し難い）ため、筆毛部４０Ｆ，４０Ｇを構成する筆毛全体が、図１２，１３の上下方向に変形し易く、左右方向には変形しにくい。したがって、輪郭を描くには、ある程度の腰の強さが機能する方向（図１１，１２の左右方向）に筆毛部４０Ｆ，４０Ｇを動かし、広範囲の塗布には、腰が軟らかくなる方向（図１２，１３の上下方向）に筆毛部４０Ｆ，４０Ｇを動かすことで、用途に応じて筆毛部４０Ｆ，４０Ｇの筆毛全体の腰の強さを使い分けることができる。   That is, in the seventh (eighth) embodiment, the brush having the elliptical cross section that forms the wide side surface (arranged along the wide side surface) of the entire brush constituting the brush portions 40F and 40G. 44c is more easily deformed in the vertical direction than the horizontal direction in FIGS. 12 and 13 (it is more difficult to deform in the horizontal direction than in the vertical direction), so that the entire brushes constituting the brush portions 40F and 40G are as shown in FIG. , 13 is easily deformed in the vertical direction and is difficult to deform in the left-right direction. Therefore, in order to draw a contour, the brush portions 40F and 40G are moved in a direction in which a certain level of waist strength functions (the left and right directions in FIGS. 11 and 12). By moving the brush portions 40F, 40G in the vertical direction (12, 13), the strength of the entire brush of the brush portions 40F, 40G can be used properly according to the application.

また、図１２に示す第７の実施例では、内側の細い筆毛４４ｂの外側に、横断面楕円形の太い筆毛４４ｃが配置され、リップグロスを塗布する際に、筆毛部４０Ｆを構成する筆毛全体が塗布面に倣った形状に適度に変形するものの、必要以上に変形しないため、それだけ輪郭を描きやすい等、スムーズにリップグロスを塗布できることは、前記第２の実施例（図７参照）と同様である。   In addition, in the seventh embodiment shown in FIG. 12, a thick brush 44c having an elliptical cross section is arranged on the outside of the thin brush 44b on the inside, and the brush portion 40F is formed when applying lip gloss. Although the entire brush brush is appropriately deformed into a shape following the application surface, it does not deform more than necessary, so that the lip gloss can be applied smoothly, such as easy to draw a contour, as described in the second embodiment (FIG. 7). See).

また、図１３に示す第８の実施例では、内側の横断面楕円形の太い筆毛４４ｃの外側に細い筆毛４４ｂが配置されており、リップグロスを塗布する際には、主に筆毛部４０Ｇを構成する筆毛全体の外側寄りの腰の軟らかい細い筆毛４４ｂが唇（の塗布面）に当たるため、それだけ唇が傷つきにくいことは、前記第３実施例（図８参照）と同様である。   Further, in the eighth embodiment shown in FIG. 13, the thin brush 44b is arranged outside the thick brush 44c having an elliptical cross section on the inner side, and when applying lip gloss, the brush is mainly used. Similar to the third embodiment (see FIG. 8), since the soft thin brush 44b near the outside of the entire brush constituting the part 40G hits the lips (application surface thereof), the lips are not easily damaged. is there.

なお、前記した種々の実施例では、筆軸３０がポリプロピレン樹脂で構成され、筆毛部４０がポリエチレン樹脂で構成されているが、筆軸３０としては、ポリプロピレン樹脂以外のある程度硬い樹脂（例えばＰＢＴ，ＰＯＭ，比較的硬いＰＡ（ナイロン）等）で構成してもよいし、筆毛部４０としては、ポリエチレン以外のある程度軟らかい樹脂（例えば、ＰＥＴ，比較的軟らかいＰＡ（ナイロン），エラストマー等）で構成してもよい。   In the various embodiments described above, the brush shaft 30 is made of polypropylene resin and the brush portion 40 is made of polyethylene resin. However, the brush shaft 30 may be made of a resin that is hard to some extent other than polypropylene resin (for example, PBT). , POM, relatively hard PA (nylon), etc., and the brush portion 40 is made of a soft resin other than polyethylene (for example, PET, relatively soft PA (nylon), elastomer, etc.). It may be configured.

また、前記した実施例では、筆軸３０の先端に筆毛部４０（の基端部４２）を取着する方法の一例として、ダボカシメを説明したが、これに限られるものではなく、溶着や接着その他の公知の取着方法であってもよい。   Further, in the above-described embodiment, as an example of a method for attaching the brush portion 40 (the base end portion 42) to the tip of the brush shaft 30, the dowel crimping has been described. However, the present invention is not limited to this. Adhesion or other known attachment methods may be used.

また、前記した実施例では、本発明に係る化粧料塗布具をリップグロス塗布具として説明したが、液体口紅塗布具，アイライナー，エナメル塗布具等の液体化粧料を塗布する化粧料塗布具であってもよい。   In the above-described embodiments, the cosmetic applicator according to the present invention has been described as a lip gloss applicator. However, the cosmetic applicator for applying liquid cosmetics such as a liquid lipstick applicator, an eyeliner, and an enamel applicator. There may be.

リップグロス塗布具，液体口紅塗布具，アイライナー，エナメル塗布具のように、唇や皮膚等の傷つき易い塗布面に化粧料を塗布する化粧料塗布具に広く適用できる。   It can be widely applied to cosmetic applicators such as lip gloss applicators, liquid lipstick applicators, eyeliners, and enamel applicators that apply cosmetics to sensitive surfaces such as lips and skin.

３０ 筆軸
４０，４０Ａ，４０Ｂ，４０Ｃ，４０Ｄ，４０Ｅ，４０Ｆ，４０Ｇ 筆毛部
４２ 基端部
４４ 筆毛
４４ａ 太い筆毛
４４ｂ 細い筆毛
４４ｃ 横断面楕円形の太い筆毛
５０ 筆毛部成形用の金型
５０Ａ 筆毛部の基端部成形用の金型（固定側金型）
５０Ｂ 筆毛部の筆毛成形用の金型（可動側金型） 30 Brush shaft 40, 40A, 40B, 40C, 40D, 40E, 40F, 40G Brush portion 42 Base end portion 44 Brush 44a Thick brush 44b Thin brush 44c Thick brush 50 having an elliptical cross section Brush portion molding 50A mold for molding the base end of the brush part (fixed side mold)
50B Brush mold for the brush part (movable side mold)

Claims (5)

第１の樹脂製の筆軸の先端に、該筆軸と同軸状に前記第１の樹脂より軟らかい第２の樹脂製の筆毛部が取着一体化された化粧料塗布具であって、前記筆毛部は、前記筆軸先端に取着される基端部と、前記基端部の前端面から前方に延出する複数本の筆毛とを備えた樹脂の一体成形体として構成されるとともに、前記各筆毛は、横断面略円形で、先端側ほど細いテーパ形状で、先端に丸みが設けられたことを特徴とする化粧料塗布具。   A cosmetic applicator in which a brush portion made of a second resin that is softer than the first resin is attached to and integrated with a tip of a first resin brush shaft coaxially with the brush shaft, The brush portion is configured as an integrally molded resin body including a base end portion attached to the tip of the brush shaft and a plurality of brush brushes extending forward from a front end surface of the base end portion. In addition, each of the brushes has a substantially circular cross section, a tapered shape that is thinner toward the tip side, and a rounded tip. 前記筆毛部には、太い筆毛と細い筆毛とが混在することを特徴とする請求項１に記載の化粧料塗布具。 The cosmetic applicator according to claim 1, wherein a thick brush and a thin brush are mixed in the brush portion. 前記筆毛部には、太い筆毛と細い筆毛とが略均等に分布することを特徴とする請求項２に記載の化粧料塗布具。 The cosmetic applicator according to claim 2, wherein thick brush hairs and thin brush hairs are distributed substantially uniformly in the brush portion. 前記筆毛部の外側寄りに太い筆毛が配置され、その内側寄りに細い筆毛が配置されたことを特徴とする請求項２に記載の化粧料塗布具。 The cosmetic applicator according to claim 2, wherein a thick brush is disposed near the outside of the brush portion, and a thin brush is disposed near the inside. 前記筆毛部の外側寄りに細い筆毛が配置され、その内側寄りに太い筆毛が配置されたことを特徴とする請求項２に記載の化粧料塗布具。 The cosmetic applicator according to claim 2, wherein a thin brush is disposed near the outside of the brush portion, and a thick brush is disposed near the inside.
JP2009106740A 2009-04-24 2009-04-24 Cosmetic applicator Pending JP2010253045A (en)

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JP2009106740A JP2010253045A (en) 2009-04-24 2009-04-24 Cosmetic applicator
PCT/JP2009/060238 WO2010122681A1 (en) 2009-04-24 2009-06-04 Tool for applying cosmetics
US13/259,243 US20120011674A1 (en) 2009-04-24 2009-06-04 Cosmetic applicator
EP09843675A EP2422643A4 (en) 2009-04-24 2009-06-04 Tool for applying cosmetics

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