JP2001286341A - Tooth brush - Google Patents
Tooth brushInfo
- Publication number
- JP2001286341A JP2001286341A JP2000103477A JP2000103477A JP2001286341A JP 2001286341 A JP2001286341 A JP 2001286341A JP 2000103477 A JP2000103477 A JP 2000103477A JP 2000103477 A JP2000103477 A JP 2000103477A JP 2001286341 A JP2001286341 A JP 2001286341A
- Authority
- JP
- Japan
- Prior art keywords
- hair
- shape
- bundle
- view
- plan
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、毛先がフィットし
にくい奥歯や歯の裏側、歯間部などの複雑な面形状をし
た部分にも確実にフィットする歯ブラシに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush which can surely fit a complicated surface-shaped portion such as a back tooth, a back side of a tooth, and an interdental portion where a bristle tip is difficult to fit.
【０００２】[0002]
【従来の技術】通常、毛束の断面形状は円形が一般的で
あるが、それ以外にも、種々の断面形状をした毛束を組
み合わせてひとまとまりのブロックパターンを形成する
ようにしたもの（特開２０００−４９４５号公報）、ヘ
ッド部の幅方向に向かう２辺が凹状をした毛束を埋め込
んだもの（特開平１１−７５９４０号公報）などが知ら
れている。2. Description of the Related Art In general, the cross section of a hair bundle is generally circular, but other than that, a bundle of hairs having various cross sections is combined to form a block pattern ( Japanese Patent Application Laid-Open No. 2000-4945) and a device in which a hair bundle with two concave sides extending in the width direction of the head portion is embedded (Japanese Patent Application Laid-Open No. 11-75940) are known.
【０００３】また、ヘッド部先端側に、略円形や多角形
に配列された毛束または平面視略円形をした単一の毛
束、または平面視Ｃ字形状あるいはＵ字形状をした毛束
を配し、この毛束の手前側に位置して、歯ブラシ軸に略
平行な方向に長い寸法を有する毛束を配列した歯ブラシ
（特表平９−５０２１１０号公報）も知られている。[0003] A hair bundle arranged in a substantially circular or polygonal shape, a single hair bundle having a substantially circular shape in plan view, or a hair bundle having a C-shape or U-shape in plan view is provided on the head end side. There is also known a toothbrush (Japanese Patent Publication No. 9-502110) in which a hair bundle having a long dimension arranged in a direction substantially parallel to the toothbrush axis is arranged in front of the hair bundle.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記した従来
の歯ブラシは、それぞれ一長一短があり、歯牙表面の清
掃力に優れていたり、歯頸部にフィットしやすかったり
はするものの、プラークや食物残さなどの汚れを落とし
にくい奥歯や歯の裏側、歯間部を刷掃するには不十分
で、毛先が複雑な面形状にうまくフィットしにくいとい
う欠点があった。However, the above-mentioned conventional toothbrushes each have advantages and disadvantages, and are excellent in cleaning ability of the tooth surface and easily fit on the cervical region, but have plaque and food residue. There is a defect that it is insufficient to brush back teeth, the backside of teeth, and interdental portions, which are difficult to remove, and that it is difficult for hair tips to fit well into complicated surface shapes.
【０００５】本発明は、上記のような問題を解決するた
めになされたもので、毛先がフィットしにくい奥歯や歯
の裏側、歯間部などの複雑な面形状をした部分にも確実
にフィットし、優れた刷掃効果をあげることができる歯
ブラシを提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to surely fix a complicated surface-shaped portion such as a back tooth, a back side of a tooth, and an interdental portion where a bristle tip is difficult to fit. An object of the present invention is to provide a toothbrush that can be fitted and has an excellent brushing effect.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するた
め、請求項１記載の歯ブラシは、ヘッド部の植毛面先端
側に位置して、平面視略Ｃ字形状をした単一の毛束、ま
たは複数の毛束によって平面視略Ｃ字形状に配列された
毛束群を有し、該平面視略Ｃ字形状をした単一の毛束ま
たは毛束群の外縁に沿った外周線と略Ｃ字形状の開口部
を閉じる直線とで囲まれる領域内に、少なくとも１つ以
上の内側毛束を有する歯ブラシとしたものである。According to a first aspect of the present invention, there is provided a toothbrush according to the first aspect, wherein the toothbrush is a single bristle bundle having a substantially C-shape in a plan view, which is located at a leading end side of a flocking surface of a head portion. Or, a hair bundle group arranged in a substantially C-shape in plan view by a plurality of hair bundles, and a single hair bundle having a substantially C-shape in plan view or an outer peripheral line along the outer edge of the hair bundle group. The toothbrush has at least one inner bristle bundle in a region surrounded by a straight line closing the C-shaped opening.
【０００７】この請求項１記載の歯ブラシは、ヘッド部
の植毛面先端側に位置して、平面視略Ｃ字形状をした単
一の毛束、または複数の毛束によって平面視略Ｃ字形状
に配列された毛束群を配したので、プラークや食物残さ
などの汚れを落としにくい奥歯や歯の裏側を毛先で包み
込むように刷掃することができる。さらに、この平面視
略Ｃ字形状をした単一の毛束または毛束群の外縁に沿っ
た外周線と略Ｃ字形状の開口部を閉じる直線とで囲まれ
る領域内に、少なくとも１つ以上の内側毛束を配置した
ので、歯牙表面の汚れを効果的に掻き取る作用を付与す
ることができるとともに、ヘッド部先端側の植毛密度を
高めて効率よく刷掃できるようになる。The toothbrush according to the first aspect is located at the leading end side of the flocked surface of the head portion, and is a single bristle bundle having a substantially C-shape in plan view or a substantially C-shape in plan view by a plurality of bristle bundles. Since the hair bundles are arranged in such a manner, it is possible to brush the back teeth and the back side of the teeth, which are difficult to remove dirt such as plaque and food residue, so as to wrap the hair tips. Further, at least one or more of the single hair bundle or the group of hair bundles having a substantially C-shape in plan view and an outer peripheral line along the outer edge thereof and a straight line closing the substantially C-shaped opening are provided. Since the inner hair bundle is arranged, the effect of effectively scraping the dirt on the tooth surface can be imparted, and the density of the implanted hair on the tip end side of the head portion can be increased so that the brush can be efficiently cleaned.
【０００８】なお、本発明でいう略Ｃ字形とは、文字通
りの「Ｃ」字形だけでなく、それに類似した形状をも含
むもので、例えば、Ｕ字形状、Ｖ字形状、三日月形状、
コ字形状などもその範疇に入るものである。In the present invention, the substantially C-shape includes not only a literal "C" shape but also a shape similar thereto, for example, a U-shape, a V-shape, a crescent shape,
A U-shape is also included in the category.
【０００９】また、この平面視略Ｃ字形状をした単一の
毛束または毛束群の開口部の向きは、特に限定されるも
のではないが、毛束外縁部がヘッド部の外周に沿うよう
な曲率からなる平面視略Ｃ字形状とし、該平面視略Ｃ字
形状の開口部をヘッド部後端側（首部側）に向けるとと
もに、歯ブラシ軸方向（ハンドルの長手方向）に対して
線対称となるように配置することが好ましい。The direction of the opening of the single hair bundle or group of hair bundles having a substantially C-shape in plan view is not particularly limited, but the outer edge of the hair bundle extends along the outer periphery of the head portion. It has a substantially C-shape in plan view having such a curvature, and the opening of the substantially C-shape in plan view is directed toward the rear end side (neck side) of the head portion, and is lined with respect to the toothbrush axial direction (longitudinal direction of the handle). It is preferable to arrange them symmetrically.
【００１０】このような配置とすれば、毛束の植毛され
るヘッド部の先端部分を先細形状としやすく、口腔内の
狭い隙間に先端部を到達させやすくなり、奥歯や歯の裏
を包み込む効果や汚れの掻き取り効果をより向上させる
ことができる。また、前記平面視略Ｃ字形状をした単一
の毛束または毛束群は１つだけに限定されるものではな
く、ヘッド部の先端側に位置して複数個設けてもよいも
のである。With such an arrangement, the tip of the head portion on which the hair bundle is implanted can be easily tapered, and the tip can easily reach a narrow gap in the oral cavity, thereby wrapping the back teeth and the back of the teeth. And the effect of scraping off dirt can be further improved. Further, the single hair bundle or hair bundle group having a substantially C-shape in plan view is not limited to one, and a plurality of hair bundles or a plurality of hair bundles may be provided at the tip side of the head portion. .
【００１１】また、前記平面視略Ｃ字形状をした単一の
毛束または毛束群によって囲まれた内側毛束の平面視形
状は、特に限定しないが、単一で、あるいは複数個で略
Ｃ字形、好ましくは角度の浅い三日月状とすると、この
三日月状をした毛束と、その外側を囲む平面視略Ｃ字形
状をした単一の毛束または毛束群との相乗作用によって
汚れを掻き取る効果が向上し、より好ましいものとな
る。The plan view of the inner bristle bundle surrounded by a single bristle bundle or a bristle group having a substantially C-shape in plan view is not particularly limited, but may be a single bristle bundle or a plurality of bristle bundles. Assuming a C-shape, preferably a crescent with a shallow angle, the dirt is formed by a synergistic action of the crescent-shaped hair bundle and a single hair bundle or a group of hair bundles having a substantially C-shape in plan view surrounding the outside thereof. The scraping effect is improved, which is more preferable.
【００１２】請求項２記載の歯ブラシは、前記請求項１
記載の歯ブラシにおいて、ヘッド部の植毛面後端側に位
置して、歯ブラシ軸に平行な方向よりも歯ブラシ軸に垂
直または略垂直な方向の寸法を大きくされた単一の毛
束、または複数の毛束によって歯ブラシ軸に平行な方向
よりも歯ブラシ軸に垂直または略垂直な方向の寸法が大
きくなるように配列された毛束群を有する歯ブラシとし
たものである。According to a second aspect of the present invention, there is provided the toothbrush according to the first aspect.
In the toothbrush described, a single bristle bundle or a plurality of bristles positioned on the rear end side of the hair implantation surface of the head portion, the dimension of which is larger in a direction perpendicular or substantially perpendicular to the toothbrush axis than in a direction parallel to the toothbrush axis. This is a toothbrush having a group of bristle bundles arranged so that the size in the direction perpendicular or substantially perpendicular to the toothbrush axis is larger than the direction parallel to the toothbrush axis by the bristle bundle.
【００１３】この請求項２記載の歯ブラシは、歯ブラシ
軸に平行な方向よりも歯ブラシ軸に垂直または略垂直な
方向の寸法を大きくされた単一の毛束または毛束群を有
しているので、毛先の届きにくい歯間部にうまくフィッ
トするようになり、先端部の平面視略Ｃ字形状をした単
一の毛束または毛束群との相乗作用による奥歯や歯の裏
の清掃効果が得られる。The toothbrush according to the second aspect has a single bristle bundle or a group of bristle bundles whose dimension in the direction perpendicular or substantially perpendicular to the toothbrush axis is larger than that in the direction parallel to the toothbrush axis. Cleans back teeth and back of teeth by synergistic action with a single bristle bundle or bristle bundle that has a substantially C-shape in plan view at the tip because it fits well between teeth that are difficult to reach. Is obtained.
【００１４】なお、歯ブラシ軸に垂直または略垂直な方
向に大きな寸法となるような単一の毛束または毛束群
は、前記歯ブラシ軸に垂直な軸に対して４５度以内の角
度で傾斜が付けられているものまで含むものとする。ま
た、これら毛束または毛束群は、ヘッド部の植毛面後端
側に複数列あってもよく、また、これら複数列の毛束ま
たは毛束群の角度をすべて同じに揃えてもよいし、０度
から４５度の範囲の傾斜角のものを組み合わせてもよ
い。A single bristle bundle or group of bristle bundles having a large dimension in a direction perpendicular or substantially perpendicular to the toothbrush axis is inclined at an angle of 45 degrees or less with respect to the axis perpendicular to the toothbrush axis. It shall include the ones attached. In addition, these hair bundles or hair bundle groups may be arranged in a plurality of rows on the rear end side of the head portion on the flocking surface, and the angles of the hair bundles or the hair bundle groups in the plurality of rows may be all the same. , 0 ° to 45 ° may be combined.
【００１５】また、上記単一の毛束または毛束群の幅は
必ずしも均一な幅とする必要はないが、おおむね０．３
〜４．０ｍｍ、好ましくは０．３〜３．０ｍｍまでの範
囲とするとよい。狭い方が歯間の奥まで入りやすいが、
幅を狭くすると毛腰が弱くなり、掻き取り効果が小さく
なり、逆に、幅を広くすると毛腰が強くなり、掻き取り
効果をが大きくなる。なお、ヘッド部後端側の毛束また
は毛束群のすべてを歯ブラシ軸に垂直または略垂直な方
向に大きな寸法とする必要はなく、部分的に他の形状の
毛束と組み合わせてもよい。The width of the single hair bundle or the group of hair bundles does not necessarily have to be a uniform width, but is generally about 0.3.
It is good to make it into the range of -4.0 mm, preferably 0.3-3.0 mm. The narrower one is easier to get into the gap between teeth,
When the width is reduced, the hair becomes weaker and the scraping effect is reduced. Conversely, when the width is increased, the hair is strengthened and the scraping effect is increased. It is not necessary that all of the bristle bundles or bristle bundles on the rear end side of the head portion have a large size in a direction perpendicular or substantially perpendicular to the toothbrush axis, and may be partially combined with a bristle bundle of another shape.
【００１６】請求項３記載の歯ブラシは、前記請求項１
または２記載の歯ブラシにおいて、前記平面視略Ｃ字形
状をした単一の毛束または毛束群がヘッド部の植毛面先
端から２／３以内にあるようにしたものである。According to a third aspect of the present invention, there is provided the toothbrush according to the first aspect.
Or the toothbrush according to 2, wherein the single bristle bundle or the bristle bundle having a substantially C-shape in a plan view is located within 2/3 from the tip of the flocked surface of the head portion.
【００１７】この請求項３記載の歯ブラシは、平面視略
Ｃ字形状をした単一の毛束または毛束群がヘッド部の植
毛面先端から２／３以内にあるようにしたので、歯ブラ
シ先端部と後端部の刷掃力のバランスがとれた使いやす
い歯ブラシとなる。なお、ヘッド部の植毛面先端から１
／２以内とすれば、より好ましい。In the toothbrush according to the third aspect of the present invention, a single bristle bundle or a group of bristle bundles having a substantially C-shape in plan view is located within 2/3 of the leading end of the flocked surface of the head. It is an easy-to-use toothbrush that balances the cleaning force of the part and the rear end. In addition, 1
/ 2 is more preferable.
【００１８】また、奥歯の刷掃を考慮して、例えば藤田
著「歯の解剖学」（金原出版株式会社）などに記載の文
献値を参照して、臼歯部など、特に上下顎の解剖学的な
幅や長さ（奥行き）、高さ（例えば歯冠長）に合わせ
て、平面視略Ｃ字形状をした単一の毛束または毛束群の
サイズを設定してもよい。あるいはまた、ヘッド部後端
側の歯ブラシ軸に垂直または略垂直な方向に大きな寸法
をした単一の毛束または毛束群の配列ピッチを、歯間部
の間隔、すなわち上下顎の小臼歯や前歯の解剖学的な長
さ（奥行き）に合わせて形成することも好ましい。In consideration of the brushing of the posterior teeth, the anatomy of the molars, especially the upper and lower jaws, is referred to by referring to literature values described in, for example, Fujita's “Tooth Anatomy” (Kanehara Publishing Co., Ltd.). The size of a single hair bundle or a group of hair bundles having a substantially C-shape in plan view may be set in accordance with the target width, length (depth), and height (for example, crown length). Alternatively, the arrangement pitch of a single bristle bundle or a bristle bundle having a large dimension in a direction perpendicular or substantially perpendicular to the toothbrush axis on the rear end side of the head portion is determined by changing the interval between the interdental portions, that is, the upper and lower jaw premolars It is also preferable to form it in accordance with the anatomical length (depth) of the front teeth.
【００１９】請求項４記載の歯ブラシは、前記請求項１
〜３のいずれかに記載の歯ブラシにおいて、前記平面視
略Ｃ字形状をした単一の毛束または毛束群の外縁に沿っ
た外周線と略Ｃ字形状の開口部を閉じる直線とで囲まれ
る領域内で、前記平面視略Ｃ字形状をした単一の毛束ま
たは毛束群と、内側毛束とが占める面積の割合を２０〜
８０％としたものである。According to a fourth aspect of the present invention, there is provided the toothbrush according to the first aspect.
4. The toothbrush according to any one of claims 1 to 3, wherein the single bristle bundle or the bristle bundle group having a substantially C-shape in plan view is surrounded by an outer peripheral line along an outer edge and a straight line closing the substantially C-shaped opening. In the region to be set, the single hair bundle or the hair bundle group having a substantially C-shape in plan view and the ratio of the area occupied by the inner hair bundle are 20 to
80%.
【００２０】一般に、歯ブラシにおけるヘッド部長さ
は、１０ｍｍから３０ｍｍ、好ましくは１５ｍｍから２
８ｍｍであって、ヘッド部最大幅が５ｍｍから２０ｍ
ｍ、好ましくは７ｍｍから１５ｍｍとされるが、平面視
略Ｃ字形状をした単一の毛束または毛束群の外縁に沿っ
た外周線と略Ｃ字形状の開口部を閉じる直線とで囲まれ
る領域内で、前記平面視略Ｃ字形状をした単一の毛束ま
たは毛束群と内側毛束とが占める面積の割合を２０〜８
０％、好ましくは３０〜７０％とすると、十分な毛束密
度となり、毛束が適度にたわむ余裕が生まれる。このた
め、歯面をうまく包み込むことができ、十分な刷掃力が
得られ、しかも使用感が硬くならず、歯ブラシとして好
ましいものとなる。In general, the head of the toothbrush has a length of 10 mm to 30 mm, preferably 15 mm to 2 mm.
8mm and the maximum head width is 5mm to 20m
m, preferably 7 mm to 15 mm, but is surrounded by an outer peripheral line along the outer edge of a single hair bundle or a group of hair bundles having a substantially C-shape in plan view and a straight line closing the substantially C-shaped opening. Within the region to be occupied, the ratio of the area occupied by the single bristle bundle or bristle bundle having a substantially C-shape in plan view and the inner bristle bundle is 20 to 8
When the content is 0%, preferably 30 to 70%, the hair bundle density becomes sufficient, and the hair bundle has a margin to bend appropriately. For this reason, the tooth surface can be wrapped well, sufficient brushing force can be obtained, and the feeling of use does not become hard, which is preferable as a toothbrush.
【００２１】以上述べた構成になる本発明の歯ブラシに
おいては、ヘッド部の植毛面は側方からみて平面状でも
よいし、首部側からヘッド先端側に向かって曲率半径３
００ｍｍ以下、好ましくは２００ｍｍ以下の略凹状、ま
たは４５度以下、好ましくは３０度以下の１つ以上の屈
曲角を有するようにすると、歯の裏や奥歯の奥などの毛
先が届きにくい部位での先端部分の刷毛による歯垢の掻
き取り効果を向上させることができ、さらにフィット性
も向上させることができる。In the toothbrush of the present invention having the above-described structure, the flocked surface of the head portion may be flat when viewed from the side, or may have a radius of curvature of 3 from the neck toward the head tip.
00mm or less, preferably 200mm or less substantially concave, or 45 degrees or less, preferably 30 degrees or less to have one or more bending angles, at the site where the hair tips such as the back of the teeth and the back of the back teeth are difficult to reach Can improve the effect of scraping plaque by the brush at the tip portion, and can also improve the fit.
【００２２】ヘッド部の硬質樹脂部の一部を薄肉状ある
いは細い柱状などに構成し、さらに必要に応じて軟質樹
脂を充填するか、あるいは軟質樹脂のみで連結すること
で、ヘッド部を可動構造としてもよいし、また、ヘッド
部を全体的に、あるいは部分的に硬質樹脂と軟質樹脂の
積層構造とし、ヘッド部が幅のある領域で撓む構造とし
てもよい。これにより、複雑な凹凸のある歯面に毛先が
うまく追随してフィットし、良好な刷掃効果が得られ
る。By forming a part of the hard resin portion of the head portion into a thin wall shape or a thin columnar shape, and filling it with a soft resin as required, or by connecting only with the soft resin, the head portion has a movable structure. Alternatively, the head portion may be entirely or partially formed of a laminated structure of a hard resin and a soft resin, and the head portion may be bent in a wide region. Thereby, the bristle tip follows and fits the tooth surface with complicated unevenness well, and a good brushing effect can be obtained.
【００２３】軟質樹脂部は、連結や可動（可撓）部に限
定することなく、植毛面や背面側で面積的広がりを持た
せてもよい。この場合、軟質樹脂部と硬質樹脂部の接触
面積が増大するほか、力の加わり方が分散され、剥離強
度が向上する。また、ヘッド部の周囲も軟質樹脂で被覆
すれば、口腔内への当たり心地がよりソフトになり、よ
り好ましい。The soft resin portion is not limited to the connection portion or the movable (flexible) portion, but may have a wider area on the flocking surface or on the back side. In this case, the contact area between the soft resin portion and the hard resin portion increases, and the manner in which the force is applied is dispersed, thereby improving the peel strength. Further, it is more preferable that the periphery of the head portion is covered with a soft resin, so that the comfort of the oral cavity becomes softer.
【００２４】また、軟質樹脂部は、それぞれの部位を独
立に隔離して形成し、それぞれの部位毎に射出ゲートを
設けて成形してもよいが、これらの部位を接続するよう
な流路を、ヘッド部の植毛面や背面の表面およびヘッド
部を貫通するように設定すると、射出ゲートを１ヵ所と
して一度の射出成形操作で被覆することができ、効率的
である。さらに、歯ブラシハンドルのヘッド部、首部、
握り部の軟質樹脂部を接続するようにしてもよい。The soft resin part may be formed by independently isolating each part and providing an injection gate for each part. However, a flow path connecting these parts may be formed. If it is set so as to penetrate the flocked surface and the back surface of the head portion and the head portion, the injection gate can be covered by one injection molding operation with one injection gate, which is efficient. In addition, the head and neck of the toothbrush handle,
You may make it connect the soft resin part of a grip part.
【００２５】歯ブラシハンドル全体の構成として、例え
ば、握り部と略同軸上に首部およびヘッド部を構成し、
全体としてストレートタイプのハンドルとしてもよい
し、全体に緩やかなＳ字状になるようなハンドル形状と
してもよいし、首部を植毛面側または反対側に角度付け
したり、湾曲したり、ヘッド部が握り部中心軸に対して
オフセットするような位置関係としてもよい。As a configuration of the entire toothbrush handle, for example, a neck portion and a head portion are formed substantially coaxially with the grip portion,
The handle may be a straight type handle as a whole, a handle shape that becomes a gentle S-shape as a whole, or the neck may be angled or curved to the flocked side or the opposite side, or the head may be gripped The positional relationship may be offset from the center axis of the section.
【００２６】毛束を構成する刷毛（フィラメント）につ
いては特に限定はないが、歯ブラシの設計仕様に応じて
適宜選択して組み合わせることが好ましい。例えば、刷
毛径としては、３〜１２ミル（０．０７６〜０．３０５
ｍｍ）、好ましくは６〜１１ミル（０．１５２ｍｍ〜
０．２７９ｍｍ）のものを用いることができる。また、
例えば、レギュラー硬さの毛束とするには、６〜９ミル
（０．１５２〜０．２２９ｍｍ）の刷毛や高度テーパー
毛あるいは毛先が球状やへら状、先割れ状となっている
ものを必要に応じて組み合わせればよい。刷毛材質は、
通常はナイロン（６−１２ナイロンあるいは６−１０ナ
イロン）ないしＰＢＴ（ポリブチレンテレフタレート）
であるが、必要に応じて天然毛と組み合わせてもよい。The brush (filament) constituting the bristle bundle is not particularly limited, but it is preferable to appropriately select and combine them according to the design specifications of the toothbrush. For example, a brush diameter of 3 to 12 mils (0.076 to 0.305)
mm), preferably 6-11 mils (0.152 mm-
0.279 mm) can be used. Also,
For example, in order to obtain a hair bundle of regular hardness, a brush of 6 to 9 mils (0.152 to 0.229 mm), a highly tapered hair, or a hair with a spherical, spatula-shaped, or cracked tip is used. What is necessary is just to combine as needed. Brush material is
Usually nylon (6-12 nylon or 6-10 nylon) or PBT (polybutylene terephthalate)
However, it may be combined with natural hair if necessary.
【００２７】毛束先端の刷掃面（毛切りあるいはプロフ
ィル；形付け）形状と刷毛長（例えば７〜１３ｍｍ）を
任意に設定することにより、単一平面状としたり、山切
り形状としたり、凹状および／または凸状の湾曲形状と
することができる。さらに、複数の毛束で１つのまとま
った形状とし、外側と内側、植毛面の先端側と後端側で
異なった形状としたり、あるいは毛束列毎で異なった構
成（刷掃面形状や刷毛長、刷毛径）としてもよい。By arbitrarily setting the shape of the brush surface (hair cutting or profile; shaping) at the tip of the hair bundle and the brush length (for example, 7 to 13 mm), a single plane shape or a mountain cutting shape can be obtained. It may have a concave and / or convex curved shape. Furthermore, a plurality of bristle bundles may be formed into a single shape, the outer side and the inner side, the leading side and the trailing end side of the flocked surface may have different shapes, or the bristle row may have a different configuration (such as a cleaning surface shape or a brush). Long, brush diameter).
【００２８】例えば、植毛面先端側の平面視略Ｃ字形状
をした単一の毛束または毛束群およびこれらの内側領域
に植毛された内側毛束で構成される毛束全体の毛先のな
す刷掃面は、水平面形状だけでなく、例えばヘッド側面
からみて、直線的傾斜面または曲線的傾斜面（好ましく
は先端側から後端側へ向けて刷毛長を短した傾斜面）、
あるいは途中に刷毛長が極大および／または極小値をと
るような曲線やジグザグ折れ線形状としてもよい（高低
差０．５ｍｍ〜３．０ｍｍ）。また、これらと立体的な
凹凸面（高低さ０．５ｍｍ〜３．０ｍｍ）とを組み合わ
せてもよい。For example, a single bristle bundle or a bristle bundle having a substantially C-shape in plan view at the leading end side of the flocking surface and the inner bristle bundle planted in the inner region of the bristle bundle and the hair tips of the whole bristle bundle The cleaning surface to be formed is not only a horizontal plane shape, but also a linear inclined surface or a curved inclined surface (preferably, an inclined surface having a shorter brush length from the front end to the rear end), for example, as viewed from the side of the head.
Alternatively, a curve or a zigzag broken line shape in which the brush length takes a maximum value and / or a minimum value on the way may be used (height difference: 0.5 mm to 3.0 mm). Further, these may be combined with a three-dimensional uneven surface (height: 0.5 mm to 3.0 mm).
【００２９】また、植毛面後端側の歯ブラシ軸に垂直ま
たは略垂直な方向に大きな寸法をした単一の毛束または
毛束群については、毛束先端を水平面状のいわゆる平切
りの刷掃面とするほか、先端側または後端側、あるいは
左右いずれかの端部へ向けた直線的または曲線的傾斜面
形状としてよいし（高低差０．５ｍｍ〜３．０ｍｍ程
度）、ヘッド側面から見て、いわゆる山切り形状のよう
に、毛束内に点状、線状あるいは面状に刷毛長が極大値
および／または最小値をとるような刷掃面形状としても
よい（高低差０．５ｍｍ〜〜３．０ｍｍ程度）。For a single bristle bundle or a bristle bundle having a large dimension in a direction perpendicular or substantially perpendicular to the toothbrush axis on the rear end side of the flocking surface, the leading end of the bristle bundle is a so-called flat-section brush having a horizontal surface. In addition to the surface, it may be a linear or curved inclined surface shape toward the front end or rear end, or the left or right end (height difference: about 0.5 mm to 3.0 mm), and viewed from the side of the head. Alternatively, the brush length may be a point-like, line-like or plane-like brush surface having a maximum value and / or a minimum value within a bristle bundle, such as a so-called mountain-cut shape (a height difference of 0.5 mm). ~~ 3.0mm).
【００３０】同一ヘッド部内におけるヘッド部全体から
みたときの刷毛長の最大と最小の差は４ｍｍ以内、より
好ましくは３ｍｍ以内とすると、毛切り形状による刷掃
力と使用性とのバランスが良好となる。When the difference between the maximum and the minimum of the brush length in the same head portion as viewed from the entire head portion is within 4 mm, more preferably within 3 mm, the balance between the brushing force and the usability by the hair cutting shape is good. Become.
【００３１】毛束の１束の刷毛本数は、刷毛径と毛束断
面積で異なり、通常、充填率５０〜８０％の間で適宜決
定されるが、刷毛（フィラメント）を束ねた毛束のよう
な形態をとらず、刷毛１本１本を独立して植毛したり、
あるいは、例えば２〜１０本程度の極少本数の刷毛を集
積した状態で植毛する形態であってもよい。The number of brushes in one bundle differs depending on the diameter of the brush and the cross-sectional area of the bristle, and is usually determined appropriately between a filling rate of 50 to 80%. Instead of taking such a form, you can implant each brush independently,
Alternatively, for example, a mode in which hair is implanted in a state in which a very small number of brushes of about 2 to 10 are accumulated.
【００３２】歯ブラシハンドルを構成する硬質樹脂（一
次材料）としては、曲げ弾性率５００〜３０００MPa(JI
S K7203)の熱可塑性樹脂が好ましく、具体的には、ポリ
オレフィン（ポリプロピレン、ポリエチレンなど）、ポ
リエステル（ポリエチレンテレフタレート、ポリブチレ
ンテレフタレートなど）、ポリカーボネート（ポリエス
テルとのブレンドを含む）、ポリアリレート（ポリエス
テルとのブレンドを含む）、ポリオキシメチレン、ＡＳ
樹脂、ＡＢＳ樹脂、セルロースプロピオネート、ポリア
ミド、ポリウレタン、ＰＭＭＡ樹脂などを用いることが
できる。As the hard resin (primary material) constituting the toothbrush handle, a bending elastic modulus of 500 to 3000 MPa (JI
S K7203) is preferable. Specific examples thereof include polyolefin (polypropylene, polyethylene, etc.), polyester (polyethylene terephthalate, polybutylene terephthalate, etc.), polycarbonate (including a blend with polyester), and polyarylate (polyester). Blends), polyoxymethylene, AS
Resin, ABS resin, cellulose propionate, polyamide, polyurethane, PMMA resin, and the like can be used.
【００３３】また、必要に応じて用いる軟質樹脂（二次
材料）としては、曲げ弾性率１〜５００MPa 、より好ま
しくは１〜１５０MPa 、硬さはＪＩＳ Ｋ６２５３硬さ
試験、試験条件ＪＩＳ Ａで５〜１００、好ましくは２
０〜８０のものがよく、ポリオレフィン系ＴＰＥ（ＴＰ
Ｅ：熱可塑性エラストマー）、ポリスチレン系ＴＰＥ、
ポリウレタン系ＴＰＥ、ポリエステル系ＴＰＥ、1,2-ポ
リブタジェン系ＴＰＥ、エチレン−酢酸ビニル系ＴＰ
Ｅ、ポリ塩化ビニル系ＴＰＥ、天然ゴム系ＴＰＥ、フッ
素系ゴムＴＰＥ、トランス−ポリイソプレン系ＴＰＥな
ど、さまざまなＴＰＥを用いることができる。The soft resin (secondary material) used as necessary may have a flexural modulus of 1 to 500 MPa, more preferably 1 to 150 MPa, and a hardness of 5 to JIS K6253 hardness test and JIS A test conditions. 100, preferably 2
0-80 is preferred, and polyolefin-based TPE (TP
E: thermoplastic elastomer), polystyrene-based TPE,
Polyurethane TPE, polyester TPE, 1,2-polybutadiene TPE, ethylene-vinyl acetate TP
Various TPEs such as E, polyvinyl chloride-based TPE, natural rubber-based TPE, fluorine-based rubber TPE, and trans-polyisoprene-based TPE can be used.
【００３４】実際の歯ブラシハンドルは、これらの一次
材料や二次材料を必要に応じて適宜組み合わせて作られ
るが、歯ブラシ用材料として求められる物性や価格、材
料相互の相溶性を考慮して、一次材料としてはポリプロ
ピレン、二次材料としてはポリオレフィン系ＴＰＥまた
はポリスチレン系ＴＰＥを用いることが好ましい。例え
ば、ポリオレフィン系ＴＰＥは、ゴム成分としてＥＰＤ
Ｍ（エチレン−プロピレン−ジエン３元共重合体）、硬
成分としてポリプロピレンを用い、これらをブレンドし
て一部あるいは全部を架橋したものが用いられる。さら
には、熱可塑性エラストマーの代わりに、２剤混合射出
成形を行なう熱硬化性シリコン樹脂を使用してもよい。An actual toothbrush handle is made by appropriately combining these primary materials and secondary materials as needed. However, in consideration of physical properties and price required as a material for the toothbrush and compatibility between the materials, the primary toothbrush handle is made. It is preferable to use polypropylene as the material and polyolefin-based TPE or polystyrene-based TPE as the secondary material. For example, polyolefin-based TPE is EPD as a rubber component.
M (ethylene-propylene-diene terpolymer) and polypropylene as a hard component are used, which are blended and partially or entirely crosslinked. Further, instead of the thermoplastic elastomer, a thermosetting silicone resin which performs two-component injection molding may be used.
【００３５】本発明の歯ブラシの製造方法としては、従
来と同様に、一次材料と必要に応じて二次材料を用いて
射出成形によって歯ブラシハンドルを作製するととも
に、樹脂片または金属片を用いた平線式植毛法、特開昭
６０−２４１４０４号公報に示されるような熱融着法、
あるいは特開昭６１−２６８２０８号公報、特表平９−
５１２７２４号公報に示されるようなインモールド法な
どによって毛束を植毛すればよい。The method of manufacturing the toothbrush of the present invention is similar to that of the prior art, in that a toothbrush handle is manufactured by injection molding using a primary material and, if necessary, a secondary material, and a flat brush using a resin piece or a metal piece. Wire flocking method, heat fusing method as shown in JP-A-60-241404,
Alternatively, Japanese Patent Application Laid-Open No. Sho 61-268208, Japanese Translation of PCT Application No.
The hair bundle may be implanted by an in-mold method or the like as disclosed in Japanese Patent No. 512724.
【００３６】特に、平面視略Ｃ字形状をした単一の毛束
および歯ブラシ軸に垂直または略垂直な方向の寸法を大
きくされた単一の毛束については、熱融着法やインモー
ルド法によって植毛するとよい。また、複数の毛束によ
って平面視略Ｃ字形状に配列された毛束群および複数の
毛束によって歯ブラシ軸に垂直または略垂直な方向に寸
法が大きくなるように配列された毛束群については、熱
融着法やインモールド法で植毛してもよいし、例えば特
開平１０−１５５５４７号公報に示されるような隣り合
う植毛穴を隔てる隔壁を薄壁とし、必要に応じて平線角
度を変えながら平線式植毛法によって植毛することもで
きる。In particular, for a single bristle bundle having a substantially C-shape in plan view and a single bristle bundle whose dimension in a direction perpendicular or substantially perpendicular to the toothbrush axis is increased, a heat fusion method or an in-mold method is used. It is good to plant hair. In addition, a group of hair bundles arranged in a substantially C-shape in plan view by a plurality of hair bundles and a group of hair bundles arranged by the plurality of hair bundles to increase in size in a direction perpendicular or substantially perpendicular to the toothbrush axis are described. Alternatively, the hair may be implanted by a heat fusion method or an in-mold method, or a partition wall that separates adjacent flocking holes as shown in Japanese Patent Application Laid-Open No. H10-15547 may be formed as a thin wall. The hair can be implanted by the flat-line hair implantation method while changing.
【００３７】[0037]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照して説明する。図１〜図３に、本発明に係
る歯ブラシの第１の実施の形態を示す。図１（ａ）はヘ
ッド部分の平面図、図１（ｂ）はヘッド部分の側面図、
図１（ｃ）はヘッド部分の正面図、図１（ｄ）はヘッド
部分の背面図、図２は平面視略Ｃ字形状をした毛束とそ
の内側毛束の毛束先端面の傾斜方向の説明図、図３は平
面視略Ｃ字形状をした毛束とその内側毛束の占有面積の
説明図である。Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of a toothbrush according to the present invention. FIG. 1A is a plan view of a head portion, FIG. 1B is a side view of a head portion,
FIG. 1C is a front view of the head portion, FIG. 1D is a rear view of the head portion, and FIG. 2 is a hair bundle having a substantially C-shape in plan view and the inclination direction of the hair bundle tip surface of the inside hair bundle. FIG. 3 is an explanatory view of a hair bundle having a substantially C-shape in plan view and an occupied area of the hair bundle inside the hair bundle.
【００３８】この第１の実施の形態に係る歯ブラシは、
ヘッド部１の植毛面先端側に位置して、平面視略Ｃ字形
状をした毛束２を、その開口部が植毛面後端側に向くよ
うに歯ブラシ軸Ｘ−Ｘ（歯ブラシ中心線）上に植毛する
とともに、この平面視略Ｃ字形状をした毛束２の内側に
位置して、平面視略三日月状をした２つの内側毛束３
ａ，３ｂを毛束２によって包み込むように植毛し、さら
にヘッド部１の植毛面後端側に、歯ブラシ軸Ｘ−Ｘに垂
直な方向に向かって長い形状の４個の毛束４ａ〜４ｄを
一定間隔で植毛したものである。The toothbrush according to the first embodiment is
The bristle bundle 2 having a substantially C-shape in plan view is positioned on the toothbrush axis XX (toothbrush center line) such that the opening thereof is directed to the rear end side of the hair-planting surface. And two inner hair bundles 3 each having a substantially crescent shape in a plan view, positioned inside the hair bundle 2 having a substantially C-shape in plan view.
a, 3b are implanted so as to be wrapped by the hair bundle 2, and four hair bundles 4a to 4d having a long shape in a direction perpendicular to the toothbrush axis XX are provided on the rear end side of the hair implantation surface of the head portion 1. The hair was planted at regular intervals.
【００３９】図示例の場合、前記平面視略Ｃ字形状をし
た毛束２の位置は、図１（ａ）に示すように、ヘッド部
１の植毛面先端から9.7mm/23.1mm≒42％以内とされてい
るとともに、図３に示すように、平面視略Ｃ字形状をし
た毛束２の外縁に沿った外周線ｍと略Ｃ字形状の開口部
を閉じる直線ｎとで囲まれる領域内（図３のハッチング
した部分）で、前記平面視略Ｃ字形状をした毛束２と、
内側毛束３ａ，３ｂとが占める面積の割合を約５３％と
したものである。In the case of the illustrated example, the position of the bristle bundle 2 having a substantially C-shape in a plan view is, as shown in FIG. As shown in FIG. 3, a region surrounded by an outer peripheral line m along the outer edge of the hair bundle 2 having a substantially C-shape in plan view and a straight line n closing the substantially C-shaped opening as shown in FIG. Inside (a hatched portion in FIG. 3), the hair bundle 2 having a substantially C-shape in plan view;
The ratio of the area occupied by the inner hair bundles 3a and 3b is about 53%.
【００４０】また、前記平面視略Ｃ字形状をした毛束２
は、正面中央部の高さが１２．０ｍｍ、左右両端部の高
さが９．５ｍｍとなるなだらかな山形に盛り上がった毛
束先端形状とされており（図１（ｃ）参照）、この毛束
２内に植毛された内側毛束３ａ，３ｂの毛束高さもこの
毛束２の先端形状に沿わせたものとされている。さら
に、この実施例の場合、毛束２と内側毛束３ａ，３ｂ
は、図２中に矢印で示すように、その毛束先端の刷掃面
が歯ブラシ中央部に向かって所定の角度で下降していく
傾斜面（斜面の高低差２．０〜０．５ｍｍ）とされてい
る。The hair bundle 2 is substantially C-shaped in plan view.
Has a hair bundle tip shape with a gentle mountain shape with a height of 12.0 mm at the front center and 9.5 mm at the right and left ends (see FIG. 1 (c)). The height of the inner hair bundles 3a and 3b implanted in the bundle 2 is also set in accordance with the tip shape of the hair bundle 2. Further, in the case of this embodiment, the hair bundle 2 and the inner hair bundles 3a, 3b
As shown by an arrow in FIG. 2, the brush surface at the tip of the bristle bundle is inclined at a predetermined angle toward the center of the toothbrush (a height difference of the slope is 2.0 to 0.5 mm). It has been.
【００４１】一方、歯ブラシ軸Ｘ−Ｘに垂直な方向に向
かって植毛された４つの毛束４ａ〜４ｄは、歯ブラシ側
面から見て、毛束先端をそれぞれ山切り形状にカットさ
れているとともに、一つおきに段差を与えて植毛されて
いる（段差１．５ｍｍ）。On the other hand, the four bristle bundles 4a to 4d implanted in a direction perpendicular to the toothbrush axis XX have their bristle tips cut into mountain cuts when viewed from the side of the toothbrush. Hairs are implanted with every other step (1.5 mm step).
【００４２】上記構成になる第１の実施の形態の歯ブラ
シの場合、ヘッド部１の先端側に配置した平面視略Ｃ字
形状をした毛束２によって、プラークや食物残さなどの
汚れを落としにくい奥歯や歯の裏側を包み込むように刷
掃することができる。また、この平面視略Ｃ字形状をし
た毛束２の内側領域に、２つの内側毛束３ａ，３ｂを配
置したので、これによっても歯牙表面の汚れを効果的に
掻き取ることができるとともに、ヘッド部１の先端部分
の植毛密度を高め、効率よく刷掃できるようになる。In the case of the toothbrush according to the first embodiment having the above-described structure, the hair bundle 2 having a substantially C-shape in plan view disposed on the tip side of the head portion 1 makes it difficult to remove dirt such as plaque and food residue. It can be brushed to cover the back teeth and the back of the teeth. In addition, since the two inner hair bundles 3a and 3b are arranged in the inner region of the hair bundle 2 having a substantially C-shape in plan view, the dirt on the tooth surface can be effectively scraped off by this. The flocked density at the tip of the head portion 1 is increased, so that the brush can be efficiently cleaned.
【００４３】さらに、ヘッド部１の植毛面後端側に、歯
ブラシ軸Ｘ−Ｘに垂直な方向に向かって長い形状の４個
の毛束４ａ〜４ｄを植毛しているので、毛先の届きにく
い歯間部にもうまくフィットでき、前記平面視略Ｃ字形
状の毛束２による奥歯や歯の裏の清掃効果と相まって優
れた刷掃効果を上げることができる。Further, since the four bristle bundles 4a to 4d having a long shape in the direction perpendicular to the toothbrush axis XX are implanted at the rear end side of the implanted surface of the head portion 1, the hair ends reach. An excellent brushing effect can be achieved in combination with the effect of cleaning the back teeth and the back of the teeth by the bristle bundle 2 having a substantially C-shape in plan view.
【００４４】図４に、本発明に係る歯ブラシの第２の実
施の形態を示す。図４（ａ）はヘッド部分の平面図、図
４（ｂ）はヘッド部分の側面図、図４（ｃ）はヘッド部
分の正面図、図４（ｄ）はヘッド部分の背面図である。FIG. 4 shows a second embodiment of the toothbrush according to the present invention. 4A is a plan view of the head portion, FIG. 4B is a side view of the head portion, FIG. 4C is a front view of the head portion, and FIG. 4D is a rear view of the head portion.
【００４５】この第２の実施の形態に係る歯ブラシは、
ヘッド部１の植毛面先端側に位置して、平面視略Ｖ字形
状をした毛束１２を、その開口部が植毛面後端側に向く
ように歯ブラシ軸Ｘ−Ｘ（歯ブラシ中心線）上に植毛す
るとともに、この平面視略Ｖ字形状をした毛束１２の内
側に位置して、平面視円形をした１個の内側毛束１３を
毛束１２によって包み込むように植毛し、さらにヘッド
部１の植毛面後端側の中央位置に、歯ブラシ軸Ｘ−Ｘに
垂直な方向に向かって長い形状とされた１個の毛束１４
を植毛するとともに、この毛束１４の前後位置に、歯ブ
ラシ軸Ｘ−Ｘに対して前後方向にそれぞれ６０度と７５
度の２つの角度に傾斜させた８個の毛束１５を、ブラシ
軸Ｘ−Ｘに対して線対称になるように２個づつ対称配置
したものである。The toothbrush according to the second embodiment is
The bristle bundle 12 having a substantially V-shape in plan view is positioned on the toothbrush axis XX (toothbrush center line) such that the opening thereof is directed to the rear end side of the hair-planting surface. In addition, the inner hair bundle 13 having a circular shape in a plan view is positioned inside the hair bundle 12 having a substantially V-shape in plan view, and is implanted so as to be wrapped by the hair bundle 12. One bristle bundle 14 having a long shape extending in a direction perpendicular to the toothbrush axis XX at a central position on the rear end side of the one flocking surface.
And 60 degrees and 75 degrees in the front-rear direction with respect to the toothbrush axis XX, respectively.
The eight hair bundles 15 inclined at two angles of degrees are symmetrically arranged two by two so as to be line-symmetric with respect to the brush axis XX.
【００４６】図示例の場合、前記平面視略Ｖ字形状をし
た毛束１２の位置は、図４（ａ）に示すように、ヘッド
部１の植毛面先端から7.3mm/23.1mm≒32％以内とされて
いるとともに、平面視略Ｖ字形状をした毛束１２の外縁
に沿った外周線と略Ｃ字形状の開口部を閉じる直線とで
囲まれる領域内で、前記平面視略Ｖ字形状をした毛束１
２と、内側毛束１３とが占める面積の割合を約６０％と
したものである。In the illustrated example, the position of the bristle bundle 12 having a substantially V-shape in plan view is 7.3 mm / 23.1 mm ≒ 32% from the leading end of the flocked surface of the head portion 1 as shown in FIG. And within a region surrounded by an outer peripheral line along the outer edge of the hair bundle 12 having a substantially V-shape in plan view and a straight line closing an opening in the substantially C-shape. Hair bundle 1 shaped
2 and the ratio of the area occupied by the inner bristle bundle 13 is about 60%.
【００４７】また、前記平面視略Ｃ字形状をした毛束１
２は、正面中央部の高さが１１．５ｍｍ、左右両端部の
高さが９．５ｍｍからなるなだらかな山形に盛り上がっ
た毛束先端形状とされており、この毛束１２内に植毛さ
れた内側毛束１３の毛束高さもこの毛束１２の先端形状
に沿わせたものとされている。さらに、毛束１２と内側
毛束１３は、その毛束先端面が歯ブラシの中央部に向か
って傾斜していく凹状の傾斜面（斜面の高低差１．５ｍ
ｍ）とされている。The hair bundle 1 having a substantially C-shape in plan view.
The hair bundle 2 has a hair bundle tip shape with a height of 11.5 mm at the front center and a height of 9.5 mm at the right and left ends, and is raised into a gentle mountain shape. The height of the inner hair bundle 13 is also set in accordance with the tip shape of the hair bundle 12. Further, the bristle bundle 12 and the inner bristle bundle 13 each have a concave inclined surface (the height difference of the inclined surface is 1.5 m) in which the bristle tip surface is inclined toward the center of the toothbrush.
m).
【００４８】一方、歯ブラシ軸Ｘ−Ｘに対して垂直また
は略垂直な方向に植毛した毛束１４，１５は、それぞれ
毛束先端を山切り状にカットされているとともに、一つ
おきに段差を与えて植毛されている（段差１．５ｍ
ｍ）。On the other hand, the bristle bundles 14 and 15 implanted in a direction perpendicular or substantially perpendicular to the toothbrush axis XX have the ends of the bristle bundles cut in a mountain-cut shape, and have every other step. Given and planted (1.5m step
m).
【００４９】上記構成になる第２の実施の形態の歯ブラ
シの場合も、前述した第１の実施の形態に係る歯ブラシ
の場合と同様にして、優れた刷掃効果を発揮できる。特
に、毛束１５は、歯ブラシ軸Ｘ−Ｘに対して７５度と６
０度に傾斜させて配置しているため、さらに優れた刷掃
効果を上げることができる。In the case of the toothbrush according to the second embodiment having the above-described structure, an excellent brushing effect can be exhibited similarly to the case of the toothbrush according to the above-described first embodiment. In particular, the bristle bundle 15 is at 75 degrees and 6 degrees with respect to the toothbrush axis XX.
Since it is arranged to be inclined at 0 degrees, it is possible to further enhance the cleaning effect.
【００５０】[0050]
【実施例】本発明に係る歯ブラシの具体的な寸法例を図
５および図６に示す。図５（ａ）（ｂ）は前記第１の実
施の形態（図１）に係る歯ブラシの具体的な寸法例を、
また、図６（ａ）（ｂ）は前記第２の実施の形態（図
４）に係る歯ブラシの具体的な寸法例をそれぞれ示すも
のである。なお、図５および図６の各図とも、（ａ）
（ｂ）の２つの図面に分けて描いてあるが、これは１図
中にすべての寸法値と寸法線を書き込めないために２図
に分けたものであり、各図における（ａ）（ｂ）はそれ
ぞれ同じ形状の歯ブラシである。なお、図中の寸法単位
はｍｍである。5 and 6 show specific examples of the dimensions of a toothbrush according to the present invention. FIGS. 5A and 5B show examples of specific dimensions of the toothbrush according to the first embodiment (FIG. 1).
FIGS. 6A and 6B show specific examples of the dimensions of the toothbrush according to the second embodiment (FIG. 4). In each of FIGS. 5 and 6, (a)
Although the drawing is divided into two drawings (b), this drawing is divided into two drawings because all dimension values and dimension lines cannot be written in one drawing. ) Are toothbrushes having the same shape. In addition, the dimension unit in a figure is mm.
【００５１】[0051]
【発明の効果】以上説明したように、請求項１記載の歯
ブラシによれば、ヘッド部の植毛面先端側に位置して、
平面視略Ｃ字形状をした単一の毛束、または複数の毛束
によって平面視略Ｃ字形状に配列された毛束群を配した
ので、プラークや食物残さなどの汚れを落としにくい奥
歯や歯の裏側を毛先で包み込むように刷掃することがで
きる。また、この平面視略Ｃ字形状をした単一の毛束ま
たは毛束群の内側領域に、少なくとも１つ以上の内側毛
束を配置したので、歯牙表面の汚れを効果的に掻き取る
作用を付与することができるとともに、ヘッド部先端側
の植毛密度を高め、効率よく刷掃できるようになる。As described above, according to the toothbrush of the first aspect, the toothbrush is located at the tip end side of the flocking surface of the head portion.
Since a single hair bundle having a substantially C shape in plan view or a group of hair bundles arranged in a substantially C shape in plan view by a plurality of hair bundles is provided, it is difficult to remove dirt such as plaque and food residue. The back of the tooth can be brushed to wrap around the tip. Also, since at least one or more inner hair bundles are arranged in the inner region of the single hair bundle or the hair bundle group having a substantially C-shape in plan view, an effect of effectively scraping dirt on the tooth surface is provided. In addition to the above, the density of the flocking on the tip end side of the head portion can be increased, and the brush can be efficiently cleaned.
【００５２】請求項２記載の歯ブラシによれば、歯ブラ
シ軸に平行な方向よりも歯ブラシ軸に垂直または略垂直
な方向の寸法を大きくされた単一の毛束または毛束群を
有しているので、毛先の届きにくい歯間部にうまくフィ
ットするようになり、ヘッド部先端側の平面視略Ｃ字形
状をした単一の毛束または毛束群との相乗作用によって
奥歯や歯の裏の清掃効果を上げることができる。According to the second aspect of the present invention, the toothbrush has a single bristle bundle or a group of bristle bundles whose dimension in the direction perpendicular or substantially perpendicular to the toothbrush axis is larger than that in the direction parallel to the toothbrush axis. As a result, it fits well into the interdental areas where hair tips are difficult to reach, and synergistic action with a single hair bundle or a group of hair bundles having a substantially C-shape in plan view at the head end side, the back teeth and back of teeth Cleaning effect can be improved.
【００５３】請求項３記載の歯ブラシによれば、平面視
略Ｃ字形状をした単一の毛束または毛束群をヘッド部の
植毛面先端から２／３以内に配置したので、歯ブラシ先
端部と後端部の刷掃力のバランスがとれ、使いやすい歯
ブラシとなる。According to the toothbrush of the present invention, a single bristle bundle or a bristle bundle having a substantially C-shape in plan view is arranged within two-thirds of the leading end of the flocked surface of the head. The balance of the brushing force at the rear end and the rear end makes the toothbrush easy to use.
【００５４】請求項４記載の歯ブラシによれば、平面視
略Ｃ字形状をした単一の毛束または毛束群の外縁に沿っ
た外周線と略Ｃ字形状の開口部を閉じる直線とで囲まれ
る領域内で、平面視略Ｃ字形状をした単一の毛束または
毛束群と内側毛束とが占める面積の割合を２０〜８０％
としたので、十分な毛束密度となり、毛束が適度にたわ
む余裕が生まれ、歯面をうまく包み込むことができる。
このため、十分な刷掃力を得ることができ、しかも使用
感が硬くならず、歯ブラシとして好ましいものとなる。According to the toothbrush of the fourth aspect, an outer peripheral line along the outer edge of a single bristle bundle or a bristle bundle having a substantially C-shape in plan view and a straight line closing the substantially C-shaped opening are provided. In the enclosed region, the ratio of the area occupied by the single hair bundle or the hair bundle group having a substantially C-shape in plan view and the inner hair bundle is 20 to 80%.
As a result, a sufficient hair bundle density is obtained, and the hair bundle has a margin to bend appropriately, so that the tooth surface can be wrapped well.
For this reason, a sufficient brushing force can be obtained, and the feeling of use does not become hard, which is preferable as a toothbrush.
【図１】本発明に係る歯ブラシの第１の実施の形態を示
すもので、（ａ）はヘッド部分の平面図、（ｂ）はヘッ
ド部分の側面図、（ｃ）はヘッド部分の正面図、（ｄ）
はヘッド部分の背面図である。FIG. 1 shows a first embodiment of a toothbrush according to the present invention, wherein (a) is a plan view of a head portion, (b) is a side view of the head portion, and (c) is a front view of the head portion. , (D)
Is a rear view of the head portion.
【図２】第１の実施の形態における平面視略Ｃ字形状を
した毛束とその内側毛束の毛束先端面の傾斜方向の説明
図である。FIG. 2 is an explanatory view of a hair bundle having a substantially C-shape in plan view and an inclination direction of a hair bundle tip end surface of the hair bundle in the first embodiment.
【図３】第１の実施の形態における平面視略Ｃ字形状を
した毛束とその内側毛束の占有面積の説明図である。FIG. 3 is an explanatory diagram of a hair bundle having a substantially C-shape in plan view and an occupied area of the inner hair bundle in the first embodiment.
【図４】本発明に係る歯ブラシの第２の実施の形態を示
すもので、（ａ）はヘッド部分の平面図、（ｂ）はヘッ
ド部分の側面図、（ｃ）はヘッド部分の正面図、（ｄ）
はヘッド部分の背面図である。FIG. 4 shows a second embodiment of the toothbrush according to the present invention, wherein (a) is a plan view of a head portion, (b) is a side view of the head portion, and (c) is a front view of the head portion. , (D)
Is a rear view of the head portion.
【図５】（ａ）（ｂ）は第１の実施の形態に係る歯ブラ
シの具体的な寸法例を示す図である。FIGS. 5A and 5B are diagrams illustrating specific examples of dimensions of the toothbrush according to the first embodiment.
【図６】（ａ）（ｂ）は第２の実施の形態に係る歯ブラ
シの具体的な寸法例を示す図である。FIGS. 6A and 6B are diagrams showing specific dimensions of a toothbrush according to a second embodiment.
１ ヘッド部 ２ 平面視略Ｃ字形状をした毛束 ３ 内側毛束 ４ａ〜４ｂ 歯ブラシ軸に垂直な方向に植毛された毛束 １２ 平面視略Ｖ字形状をした毛束 １３ 内側毛束 １４ 歯ブラシ軸に垂直な方向に植毛された毛束 １５ 歯ブラシ軸に略垂直な方向に植毛された毛束 Ｘ−Ｘ 歯ブラシ軸 ｍ 平面視略Ｃ字形状の毛束の外縁に沿った外周線 ｎ 平面視略Ｃ字形状の開口部を閉じる直線 DESCRIPTION OF SYMBOLS 1 Head part 2 Hair bundle which was substantially C-shaped in plan view 3 Inner hair bundle 4a-4b Hair bundle planted in the direction perpendicular to the toothbrush axis 12 Hair bundle which was substantially V-shaped in plan view 13 Inner hair bundle 14 Toothbrush A bristle bundle planted in a direction perpendicular to the axis 15 A bristle bundle planted in a direction substantially perpendicular to the toothbrush axis XX Toothbrush axis m An outer peripheral line along an outer edge of a substantially C-shaped bristle bundle n in a plan view A straight line closing the substantially C-shaped opening
───────────────────────────────────────────────────── フロントページの続き (72)発明者 加藤 孝夫 東京都墨田区本所一丁目３番７号 ライオ ン株式会社内 Ｆターム(参考） 3B202 AA06 BA02 BB04 CA02 EA01 EF02 EF03 EF06 EG01 EG03 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takao Kato 1-3-7 Honjo, Sumida-ku, Tokyo F-term in Lion Corporation (reference) 3B202 AA06 BA02 BB04 CA02 EA01 EF02 EF03 EF06 EG01 EG03
Claims (4)
面視略Ｃ字形状をした単一の毛束、または複数の毛束に
よって平面視略Ｃ字形状に配列された毛束群を有し、 該平面視略Ｃ字形状をした単一の毛束または毛束群の外
縁に沿った外周線と略Ｃ字形状の開口部を閉じる直線と
で囲まれる領域内に、少なくとも１つ以上の内側毛束を
有することを特徴とする歯ブラシ。1. A single hair bundle having a substantially C-shape in plan view, or a group of hair bundles arranged in a substantially C-shape in plan view by a plurality of hair bundles, which is located on the leading end side of the hair implantation surface of the head portion. Having at least one region surrounded by an outer peripheral line along an outer edge of a single hair bundle or a group of hair bundles having a substantially C-shape in plan view and a straight line closing an opening of the substantially C-shape. A toothbrush having at least one inner bristle bundle.
ブラシ軸に平行な方向よりも歯ブラシ軸に垂直または略
垂直な方向の寸法を大きくされた単一の毛束、または複
数の毛束によって歯ブラシ軸に平行な方向よりも歯ブラ
シ軸に垂直または略垂直な方向の寸法が大きくなるよう
に配列された毛束群を有することを特徴とする請求項１
記載の歯ブラシ。2. A single bristle bundle, which is located on the rear end side of the hair implantation surface of the head portion and has a dimension larger in a direction perpendicular or substantially perpendicular to the toothbrush axis than in a direction parallel to the toothbrush axis, or a plurality of hair bundles. 2. A hair bundle group arranged so that the size of the hair bundle in the direction perpendicular or substantially perpendicular to the toothbrush axis is larger than that in the direction parallel to the toothbrush axis.
The toothbrush as described.
または毛束群がヘッド部の植毛面先端から２／３以内に
あることを特徴とする請求項１または２記載の歯ブラ
シ。3. The toothbrush according to claim 1, wherein the single bristle bundle or the bristle bundle having a substantially C-shape in a plan view is within か ら of the front end of the flocking surface of the head portion. .
または毛束群の外縁に沿った外周線と略Ｃ字形状の開口
部を閉じる直線とで囲まれる領域内で、前記平面視略Ｃ
字形状をした単一の毛束または毛束群と、内側毛束とが
占める面積の割合が２０〜８０％であることを特徴とす
る請求項１〜３のいずれかに記載の歯ブラシ。4. An area surrounded by an outer peripheral line along an outer edge of a single hair bundle or a group of hair bundles having a substantially C-shape in plan view and a straight line closing an opening of the substantially C-shape. C in plan view
The toothbrush according to any one of claims 1 to 3, wherein the ratio of the area occupied by the single bristle bundle or bristle bundle having a character shape and the inner bristle bundle is 20 to 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000103477A JP2001286341A (en) | 2000-04-05 | 2000-04-05 | Tooth brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000103477A JP2001286341A (en) | 2000-04-05 | 2000-04-05 | Tooth brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001286341A true JP2001286341A (en) | 2001-10-16 |
Family
ID=18617182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000103477A Pending JP2001286341A (en) | 2000-04-05 | 2000-04-05 | Tooth brush |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001286341A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6957469B2 (en) * | 2002-03-14 | 2005-10-25 | Church & Dwight Co., Inc. | Toothbrush |
| WO2006018927A1 (en) * | 2004-08-20 | 2006-02-23 | Lion Corporation | Tooth brush |
| JP2009219903A (en) * | 2003-09-19 | 2009-10-01 | Gillette Co | Electromotive toothbrush |
| JP2012176084A (en) * | 2011-02-25 | 2012-09-13 | Lion Corp | Toothbrush |
| JP2013528474A (en) * | 2010-06-17 | 2013-07-11 | マクニール−ピーピーシー・インコーポレーテツド | Hair composition |
| JP2021078726A (en) * | 2019-11-19 | 2021-05-27 | 村田機械株式会社 | Manufacturing method of brush, jig for manufacturing brush, and brush |
-
2000
- 2000-04-05 JP JP2000103477A patent/JP2001286341A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6957469B2 (en) * | 2002-03-14 | 2005-10-25 | Church & Dwight Co., Inc. | Toothbrush |
| JP2009219903A (en) * | 2003-09-19 | 2009-10-01 | Gillette Co | Electromotive toothbrush |
| WO2006018927A1 (en) * | 2004-08-20 | 2006-02-23 | Lion Corporation | Tooth brush |
| KR101196648B1 (en) | 2004-08-20 | 2012-11-02 | 라이온 가부시키가이샤 | Tooth brush |
| JP2013528474A (en) * | 2010-06-17 | 2013-07-11 | マクニール−ピーピーシー・インコーポレーテツド | Hair composition |
| EP2582265B1 (en) * | 2010-06-17 | 2019-05-15 | Johnson & Johnson Consumer Inc. | Bristle configuration |
| JP2012176084A (en) * | 2011-02-25 | 2012-09-13 | Lion Corp | Toothbrush |
| JP2021078726A (en) * | 2019-11-19 | 2021-05-27 | 村田機械株式会社 | Manufacturing method of brush, jig for manufacturing brush, and brush |
| JP7415472B2 (en) | 2019-11-19 | 2024-01-17 | 村田機械株式会社 | Brush manufacturing method, brush manufacturing jig, and brush |
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