JPH08182694A - Toothbrush and its manufacture - Google Patents
Toothbrush and its manufactureInfo
- Publication number
- JPH08182694A JPH08182694A JP33750794A JP33750794A JPH08182694A JP H08182694 A JPH08182694 A JP H08182694A JP 33750794 A JP33750794 A JP 33750794A JP 33750794 A JP33750794 A JP 33750794A JP H08182694 A JPH08182694 A JP H08182694A
- Authority
- JP
- Japan
- Prior art keywords
- tip
- toothbrush
- monofilament
- brush
- flat portion
- 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.)
- Granted
Links
Landscapes
- Brushes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、口腔清掃用の歯ブラ
シ、特に歯垢、食べカスがたまり易く除去しにくい細か
い隙間に毛先がよく届き、歯間部の歯垢除去及び歯牙の
咬合面、平滑面などの清掃を効果的にできる歯ブラシ、
およびその製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toothbrush for cleaning the oral cavity, particularly plaque and food waste, which easily reach the fine gaps which are hard to be removed, and which cause plaque removal in the interdental part and occlusal surface of teeth. , A toothbrush that can effectively clean smooth surfaces,
And a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来、歯間部清掃効果を高めるために、
ブラシ毛の先端を削って丸めたり、テーパー状に細くし
たりすことが知られている（特開昭５８−５４９０５
号、特開平３−１９８８０８号、特開平４−９６７０９
号等）が、細かい隙間に毛先が入りやすくなっていて
も、まだ十分とは言えず満足できるものではななかっ
た。また、刷毛を先鋭化して細かい隙間に毛先を入りや
すくしたものも実開平２−１９３１８号、実開平１−５
９４２１号、実開昭５７−１２９３４号などで提案さ
れ、さらにブラシ毛の先端部に凹凸または球状の形成部
を備えたものを用いることも、実開平４−４３１２９、
実開平５−９３２８号、実開平３−７２７２４号、特開
平５−４９５１２号などで知られている。2. Description of the Related Art Conventionally, in order to enhance an interdental portion cleaning effect,
It is known to sharpen the tip of the brush bristles to make them round or to make them thinner in a taper shape (JP-A-58-54905).
JP-A-3-198808, JP-A-4-96709
However, even though the tips of the hair tended to enter the small gaps, it was still not sufficient and not satisfactory. In addition, the brushes that are sharpened to make it easier to insert the brush tips into the fine gaps are also available in Japanese Utility Model Laid-Open Nos. 2-19318 and 1-5.
No. 9421, Japanese Utility Model Laid-Open No. 57-12934, etc., and use of a brush having a concavo-convex or spherical forming portion at the tip portion is also used.
It is known from Japanese Utility Model Laid-Open No. 5-9328, Japanese Utility Model Laid-Open No. 3-72724, and Japanese Patent Laid-Open No. 5-49512.
【０００３】[0003]
【発明が解決しようとする課題】ところが、細かい隙間
に毛先が入りやすくした刷毛を削って細かくしただけで
は、食べカスやプラークを掻き取る力が弱く、問題があ
り、また、刷毛の先端部に凹凸または球状物をつける
と、細かい隙間への毛先の侵入が妨げられてしまい、細
かい隙間の食べカスやプラークを掻き取る頻度が低下し
てしまう。即ち、刷毛先端が歯間部に入れなくなって歯
垢除去効果が小さくなる欠点があった。SUMMARY OF THE INVENTION However, there is a problem in that the force of scraping off food scraps and plaque is weak only by shaving the brush that makes it easier to insert the bristles into the fine gaps, and there is a problem. If irregularities or spherical objects are attached to the hairs, the hair tips will be prevented from entering the fine gaps, and the frequency of scraping off food scraps or plaques in the fine gaps will decrease. That is, there is a drawback that the tip of the brush cannot enter the interdental part and the effect of removing plaque is reduced.
【０００４】本発明は、これら従来の問題点を排除し、
歯みがき操作の如何を問わず、歯垢の付着し易い部位の
清掃効果と、歯の咬合面、平滑面などの清掃効果とを大
巾に向上でき、刷掃部位や刷掃方法が限定されることな
く、個人差のある歯間部でも歯垢の除去が効果的に行え
る歯ブラシを提供することを目的としたものである。The present invention eliminates these conventional problems,
Regardless of the tooth brushing operation, the cleaning effect on the part where plaque is likely to adhere and the cleaning effect on the occlusal surface and smooth surface of the tooth can be greatly improved, and the cleaning part and the cleaning method are limited. It is an object of the present invention to provide a toothbrush that can effectively remove dental plaque even in an interdental area that differs between individuals.
【０００５】[0005]
【課題を解決するための手段】本発明は、歯ブラシのヘ
ッド部に毛束を植設するのに、先鋭テーパー部を形成し
た合成繊維のモノフィラメントを植毛した歯ブラシにお
いて、先鋭化した刷毛の先端に扁平部を形成したモノフ
ィラメントを植毛したものである。DISCLOSURE OF THE INVENTION According to the present invention, a toothbrush in which a monofilament of synthetic fiber having a sharp taper portion is planted for implanting a bunch of hair in the head portion of the toothbrush, the tip of the sharpened brush is provided. A monofilament having a flat portion is transplanted.
【０００６】[0006]
【作用】高度テーパー化した刷毛の先端に、扁平な円形
・ばち状・多角異形体等の扁平部があるため、細かい隙
間への毛先の侵入を容易にし、毛先がポケットや歯間等
の細かい隙間にも確実に届き、しかも先端に付与した扁
平部により、効率的に食べカスやプラーク等の汚れを掻
き取ることができる。また刷毛先端の扁平物はブラッシ
ング時の使用感も良好である。また、高度テーパー化し
た刷毛の先端に扁平部を形成する方法として、刷毛の先
端部に撥水剤（ワックス、シリコーン）を予めコーティ
ングしておき、該コーティング部分を下にして所定長さ
加水分解液に浸漬し、徐々に引き上げテーパー状に形成
した後、十分に水洗する。その後、コーティング剤を溶
剤等で除去し、加水分解されなかった先端部を、加温し
た圧子等で圧力をかけながら所定形状に扁平部を形成さ
せてブラシ毛とし、該ブラシ毛を植毛して歯ブラシとす
ることができる。[Function] Since the tip of the highly tapered brush has a flat portion such as a flat circular shape, a drum shape, or a polygonal shape, it is easy for the tip of the brush to enter a fine gap, and the tip of the brush has a pocket or a space between teeth. Even small gaps such as the above can be reliably reached, and the flat portion provided at the tip can efficiently scrape off dirt such as food scraps and plaque. In addition, the flat object at the tip of the brush has a good feeling during brushing. In addition, as a method of forming a flat portion on the tip of a highly tapered brush, a water repellent (wax, silicone) is pre-coated on the tip of the brush, and the coated portion faces downward to hydrolyze for a predetermined length. After being immersed in the liquid, gradually pulled up to form a taper shape, it is thoroughly washed with water. After that, the coating agent is removed with a solvent or the like, and the tip portion that has not been hydrolyzed is formed into a bristle by forming a flat portion in a predetermined shape while applying pressure with a heated indenter or the like, and the bristles are planted. It can be a toothbrush.
【０００７】[0007]
【実施例】本発明の実施例を図１乃至図３の例で説明す
ると、先鋭テーパー部２を形成した合成繊維のモノフィ
ラメントを植毛した歯ブラシにおいて、先鋭化した刷毛
の先鋭テーパー部２の先端に扁平部３を形成したモノフ
ィラメント１をヘッド部４に植毛して植毛部５とした歯
ブラシである。EXAMPLE An example of the present invention will be described with reference to FIGS. 1 to 3. In a toothbrush in which a monofilament of synthetic fiber having a sharp taper portion 2 is planted, the tip of the sharp taper portion 2 of the sharpened brush is attached. The toothbrush is a toothbrush 5 in which the monofilament 1 having the flat portion 3 is transplanted to the head portion 4 to form the bristle portion 5.
【０００８】前記、扁平部３としては、円形、バチ形、
星形、多角異形状、その他の形状に成形し、最大巾ａと
最小巾ｂとの比ｂ／ａが０．１〜０．８の範囲のもの
で、中心部の厚みｃ、扁平部の根本直径ｄとしたとき、
ｃ／ｄを０．５〜１．１に、またａ／ｄを１．５〜５．
０の範囲のもので、扁平部３の付け根部分から１ｍｍ、
３ｍｍ、５ｍｍ、８ｍｍの各部位における刷毛径また
は、厚みが基部の刷毛径に対し、２５〜３５％、５５〜
７０％、８０〜９０％、９０〜１００％で、それぞれ特
定される高度テーパー形状のブリッスルとするのがよ
く、先鋭化されたブラシ毛の毛先が細かい隙間に容易に
侵入し、ポケットなどの深い隙間にも確実に届き、しか
も先端に付与した扁平部３により、効率的に汚れ（食べ
カスやプラーク）を掻き取ることができるようにするの
がよい。The flat portion 3 has a circular shape, a dovetail shape,
It is formed into a star shape, polygonal shape, or other shape, and the ratio b / a of the maximum width a and the minimum width b is in the range of 0.1 to 0.8. When the root diameter is d,
c / d to 0.5 to 1.1 and a / d to 1.5 to 5.
In the range of 0, 1 mm from the base of the flat portion 3,
The brush diameter or thickness at each part of 3 mm, 5 mm, and 8 mm is 25 to 35%, 55 to 55% of the brush diameter of the base portion.
70%, 80-90%, 90-100%, it is good to use a highly tapered bristle that is specified respectively, and the tips of sharpened brush bristles easily penetrate into fine gaps, such as pockets. It is preferable that the deep gap can be surely reached, and that the flat portion 3 provided at the tip can efficiently scrape dirt (eating waste or plaque).
【０００９】なお、前記扁平部３のあるモノフィラメン
ト１とするには、モノフィラメント１の先端部にワック
ス、シリコーン等の撥水剤を予め塗布または浸漬した刷
毛をコーティング部分を下にして所定時間加水分解液に
浸漬し、撥水剤との境界部を先鋭テーパー部２に形成し
たのちに、徐々に引き上げて水洗し、さらに撥水剤を溶
剤で除去すると共に、テーパー状に形成されなかった先
端部を加温した圧子やローラで圧力をかけながら、所定
形状の扁平部３に成形してモノフィラメントとする。こ
の場合、扁平部３の成形条件として温度、圧力が、それ
ぞれ１８０〜２５０℃、５００ｇ〜１ｋｇｆ／ｃｍ2 の
範囲で扁平部を形成し、その刷毛をヘッド部４に植毛し
て歯ブラシとするのがよい。In order to obtain the monofilament 1 having the flat portion 3, a brush in which a water repellent such as wax or silicone is previously applied or dipped on the tip of the monofilament 1 is hydrolyzed for a predetermined time with the coated portion facing down. After immersing in the liquid and forming the boundary with the water repellent into the sharp taper part 2, it is gradually pulled up and washed with water, and the water repellent is removed with a solvent, and the tip part which is not tapered is formed. While applying pressure with a heated indenter or roller, the flat portion 3 having a predetermined shape is formed into a monofilament. In this case, as the molding conditions for the flat portion 3, the flat portion is formed in a temperature and pressure range of 180 to 250 ° C. and 500 g to 1 kgf / cm 2 , respectively, and the brush is planted on the head portion 4 to form a toothbrush. Is good.
【００１０】また、前記扁平部３を成形するのに、予め
前記モノフィラメント１の先端部を加温圧子、ローラな
どで加圧して扁平部３を形成し、該扁平部３に撥水剤を
塗布または浸漬した刷毛を加水分解液に浸漬し、扁平部
３との境界部を先鋭テーパー部２に形成したのち引き上
げ、水洗後に前記撥水剤を溶剤で除去したモノフィラメ
ント１として植毛することもできる。In forming the flat portion 3, the tip portion of the monofilament 1 is previously pressed by a heating indenter, a roller or the like to form the flat portion 3, and the flat portion 3 is coated with a water repellent. Alternatively, the dipped brush may be dipped in a hydrolyzing solution to form a sharp taper portion 2 at the boundary with the flat portion 3 and then pulled up, and after washing with water, the monofilament 1 may be transplanted as a monofilament 1 with the water repellent agent removed by a solvent.
【００１１】図３に示すように、前記扁平部３を種々な
形状に成形することができ、例えば、角形〔図３(a)
〕、星形〔図３(b) 〕、扇形〔図３(c) 〕やバチ形
〔図３(d)〕とするほか、その他細かい隙間に侵入しや
すく、食べカスなど汚れ除去が効率よく行える形態に成
形することが考慮されている。As shown in FIG. 3, the flat portion 3 can be formed into various shapes, for example, a rectangular shape (see FIG. 3 (a)).
], Star [Fig. 3 (b)], fan [Fig. 3 (c)], and dovetail [Fig. 3 (d)]. It is considered to be formed into a form that can be performed.
【００１２】本発明の実施例のブラシ毛で、清掃力の評
価を図４の如き歯肉縁下モデルで、実験した結果を示す
と、次の通りである。 （実験１）歯肉縁下モデルでの歯ブラシ毛の侵入度およ
び清掃力の評価 ＜実験方法＞ 歯肉縁下のモデル アクリル板（厚さ約５ｍｍ、幅４０ｍｍ、長さ２０ｍ
ｍ）を、深さ３ｍｍ、最大離開幅０．５ｍｍのテーパー
状の溝となるように加工したものを歯肉モデルとする。
さらにアクリル板（厚さ約５ｍｍ、幅４０ｍｍ、長さ３
０ｍｍ）を歯牙モデルとし、歯肉モデルと張り合わせた
ものを作製し、歯肉縁下のモデルとした。歯肉モデルの
上端を歯肉辺縁とし、そこから溝の底部までを歯肉縁下
とした。また、歯肉辺縁から歯肉縁下まで目盛った（図
４）。 本実験品ブラシ毛の作成 ポリエステルモノフィラメントの先端に、ワックスを塗
布してコーティングした後、水酸化ナトリウム水溶液等
の加水分解性溶液に浸漬し、部分溶解除去して高度テー
パー部を形成させ、直ちに水洗する。さらに、先端部の
コーティング剤を除去し、加熱・圧縮により図１のごと
き扁平形状の先端部を形成させたフィラメントを植毛し
て歯ブラシを作製した。 侵入度の評価 歯肉縁下モデルを用いて、各種の歯ブラシでブラッシン
グをする。ブラッシング圧は、歯ブラシの首部に貼付し
たストレインゲージにより、確認しながら約３００ｇで
行い、数ストロークさせた。この時、歯ブラシ毛の先端
がどの程度まで入っているかを、歯肉辺縁から歯肉縁下
の目盛りで読みとり、下記の基準で侵入度を評価した。 ×：歯肉縁下の１ｍｍ未満まで毛先が入ったもの △：歯肉縁下の１ｍｍ以上、２ｍｍ未満まで毛先が入っ
たもの ○：歯肉縁下の２ｍｍ以上まで毛先が入ったもの 清掃力の評価 オクルード（パスカル社製）を歯垢モデルとし、歯肉縁
下モデルの歯牙モデルのアクリル板に歯肉辺縁の位置か
ら歯肉縁下までスプレー着色した。侵入度の評価と同じ
ブラッシング圧で、ストローク幅１０ｍｍ、１０ストロ
ークのブラッシングを行った。清掃力は、ストローク幅
（１０ｍｍ）の範囲のオクルードの除去された面積を、
下記の評価基準に従って評価した。 ×：歯肉縁下の４０％未満までの歯垢が除去できたもの △：歯肉縁下の４０％以上７０％未満までの歯垢が除去
できたもの ○：歯肉縁下の７０％以上の歯垢が除去できたものWith respect to the brush bristles of the embodiment of the present invention, the evaluation results of the cleaning force by the subgingival model as shown in FIG. 4 are as follows. (Experiment 1) Evaluation of toothbrush bristle penetration and cleaning power in a subgingival model <Experimental method> A subgingival model acrylic plate (thickness: about 5 mm, width: 40 mm, length: 20 m)
m) is processed into a tapered groove having a depth of 3 mm and a maximum separation width of 0.5 mm, which is used as a gingival model.
Further acrylic plate (thickness about 5mm, width 40mm, length 3
0 mm) was used as a tooth model, and a gingival model was attached to the tooth model to prepare a subgingival model. The upper edge of the gingival model was the gingival margin, and the area from the gingival margin to the bottom of the groove was the gingival margin. Moreover, the scale was measured from the gingival margin to the subgingival margin (FIG. 4). Preparation of this experimental product Brush bristles After applying wax to the tip of the polyester monofilament to coat it, dip it in a hydrolyzable solution such as an aqueous solution of sodium hydroxide to partially dissolve it to form a highly tapered portion, and immediately wash it with water. To do. Further, the coating agent on the tip was removed, and the filament having the flat tip as shown in FIG. 1 was planted by heating and compression to prepare a toothbrush. Evaluation of penetration level Brushing with various toothbrushes using a subgingival model. The brushing pressure was about 300 g while checking with a strain gauge attached to the neck portion of the toothbrush, and several strokes were performed. At this time, the extent to which the tip of the toothbrush bristles was inserted was read from the gingival margin to the subgingival scale, and the penetration level was evaluated according to the following criteria. X: Hair tips with a length of less than 1 mm below the gingival margin B: Hair tips with a length of 1 mm or more and less than 2 mm below the gum edge ○: Hair with a tip of 2 mm or more below the gum edge Cleaning power The occlude (manufactured by Pascal) was used as a plaque model, and the acrylic plate of the subgingival model tooth model was spray-colored from the position of the gingival margin to the subgingival margin. Brushing was performed with a stroke width of 10 mm and a stroke of 10 strokes at the same brushing pressure as the evaluation of the penetration degree. The cleaning power is calculated by removing the occluded area within the stroke width (10 mm).
It evaluated according to the following evaluation criteria. ×: Less than 40% of subgingival plaque could be removed Δ: Less than 40% and less than 70% of subgingival plaque could be removed ○: More than 70% of subgingival teeth Dust removed
【００１３】＜実験結果＞ 刷毛先端の扁平物厚み／根本径の影響 太さ８ミルのポリエステルモノフィラメントを用い、前
述の方法に従い、先鋭化後種々の厚みの扁平物を持つ刷
毛を作成し、植毛後、歯肉縁下への侵入度および清掃力
を評価したところ、表１の通りであった。なお、扁平部
形状は、図１のものを使用した。扁平部の最大幅を０．
１２ｍｍに、扁平物の根本径を０．０６ｍｍに設定し
た。侵入度、清掃力ともに満足できるのは、厚みａ／根
本径ｂが０．５〜１．１の範囲だった。 刷毛先端の扁平部最大幅／根本径の影響 太さ８ミルのポリエステルモノフィラメントを用い、前
述の方法に従い、先鋭化後種々の厚みの扁平部を持つ刷
毛を作成し、植毛後、歯肉縁下への侵入度を評価したと
ころ、表２の結果となっている。なお、扁平部の厚みを
０．０６ｍｍに、扁平物の根本径を０．０６ｍｍに設定
した。なお、侵入度、清掃度ともに満足できるのは、最
大幅／根本径が１．５〜５．０の範囲だった。 市販歯ブラシとの比較 歯ブラシ番号１１から１４は市販品で、歯肉縁下への侵
入度を評価したところ、表３の如くなった。なお、浸入
度、清掃度ともに満足できるのは、厚みａ／根本径ｂ
が、０．５〜１．１、かつ最大幅／根本径が、１．５〜
５．０の範囲に入る本発明品だけだった。<Experimental Results> Effect of Flat Thickness / Root Diameter of Brush Tip Using a polyester monofilament having a thickness of 8 mils, brushes having flat materials of various thicknesses after sharpening were prepared according to the above-mentioned method, and flocking was performed. After that, the degree of invasion under the gingiva and the cleaning power were evaluated, and the results are shown in Table 1. The shape of the flat portion used was that shown in FIG. The maximum width of the flat part is 0.
The base diameter of the flat object was set to 12 mm and 0.06 mm. Both the penetration level and the cleaning power were satisfactory when the thickness a / root diameter b was in the range of 0.5 to 1.1. Influence of the maximum width of the flat part of the brush tip / root diameter Using a polyester monofilament with a thickness of 8 mils, according to the method described above, brushes with flat parts of various thickness after sharpening were made, and after brushing, to the subgingival region The invasion degree of No. 1 was evaluated, and the results are shown in Table 2. The thickness of the flat portion was set to 0.06 mm and the base diameter of the flat article was set to 0.06 mm. The maximum width / root diameter was within the range of 1.5 to 5.0, which was satisfactory for both the penetration level and the cleaning level. Comparison with commercially available toothbrushes Toothbrush Nos. 11 to 14 are commercially available products, and the degree of penetration under the gingival margin was evaluated. It should be noted that the degree of penetration and the degree of cleaning can be satisfied only in thickness a / root diameter b
Is 0.5 to 1.1, and the maximum width / root diameter is 1.5 to
It was only the product of the present invention that falls within the range of 5.0.
【００１４】[0014]
【表１】 [Table 1]
【００１５】[0015]
【表２】 [Table 2]
【００１６】[0016]
【表３】 [Table 3]
【００１７】（実験２）各種テスト歯ブラシ毛の歯肉当
たりへの影響 ＜実験方法＞１５人の被験者に市販品および本発明の歯
ブラシを２日間毎に順に交換して、合計１０日間使用さ
せ、テスト歯ブラシの毛先の歯肉当たりについて刺激の
有無を調査した。ブラッシング方法は規制せずに、被験
者が通常使用している方法でおこなった。評価基準は以
下のとおりとする。 ×：刺激有りの人数─６人以上／１５人 △：刺激有りの人数─１〜５人／１５人 ○：刺激有りの人数─０人／１５人 ＜実験結果＞本発明の歯ブラシの歯肉当たりの評価結果
は、表４の通りで、他の市販歯ブラシと同等であり、扁
平部を付与したことによる歯肉に対する刺激は認められ
なかった。(Experiment 2) Effects of various test toothbrush bristles on gingiva <Experimental method> A test was conducted by allowing 15 subjects to sequentially replace the commercial product and the toothbrush of the present invention every 2 days for a total of 10 days. The presence or absence of irritation was investigated for the gingival contact of the tip of the toothbrush. The brushing method was not regulated, and was carried out by the method that the subject normally uses. The evaluation criteria are as follows. X: Number of people with stimulation -6 or more / 15 people △: Number of people with stimulation -1 to 5 people / 15 people ○: Number of people with stimulation -0 people / 15 people <Experimental results> Per gingiva of the toothbrush of the present invention The evaluation result of is shown in Table 4, and is equivalent to other commercially available toothbrushes, and irritation to the gingiva due to the addition of the flat portion was not recognized.
【００１８】[0018]
【表４】 [Table 4]
【００１９】（実験３）刷毛先端の扁平部形成条件 １）成形温度の影響 ＜実験方法＞刷毛先端を圧縮成形して扁平部を形成する
ときの温度条件を検討した。素材はポリブチレンテレフ
タレート（ＰＢＴ）を用い、加重５００ｇ、圧縮時間は
０．２秒で行った。評価基準は以下のとおり。 ○：形成良好 △：形成不十分 ×：形成不可能 ＜実験結果＞扁平部の成形温度は、表５に示すように１
８０〜２６０℃のときに良好だった。１８０℃未満で
は、ＰＢＴが十分溶解せず扁平な形状にならなかった。
また２６０℃を越えると扁平部が薄くなり、形状が制御
できなかった。(Experiment 3) Condition for forming flat portion of brush tip 1) Effect of molding temperature <Experimental method> The temperature condition for forming the flat portion by compression molding of the brush tip was examined. Polybutylene terephthalate (PBT) was used as the material, and the weight was 500 g and the compression time was 0.2 seconds. The evaluation criteria are as follows. ○: Good formation △: Insufficient formation ×: Impossible formation <Experimental result> As shown in Table 5, the molding temperature of the flat portion is 1
It was good at 80 to 260 ° C. Below 180 ° C., PBT was not sufficiently melted to form a flat shape.
On the other hand, if the temperature exceeds 260 ° C, the flat portion becomes thin and the shape cannot be controlled.
【００２０】[0020]
【表５】 [Table 5]
【００２１】２）成形加重の影響 ＜実験方法＞刷毛先端を圧縮成形して扁平部を形成する
ときの温度条件を検討した。素材は、ポリブチレンテレ
フタレート（ＰＢＴ）を用い、温度を２２０℃、圧縮時
間は０．２秒で行った。評価基準は成形温度の影響と同
じとした。 ＜実験結果＞扁平部の成形加重は、表６に示すように、
５００〜１０００ｇのときに良好だった。５００ｇ未満
では、所定の扁平な形状にならなかった。また１０００
ｇを越えると扁平部が薄くなりすぎ、形状が制御できな
かった。2) Effect of molding load <Experimental method> The temperature conditions were examined when the flat end was formed by compression molding the brush tip. Polybutylene terephthalate (PBT) was used as the material, and the temperature was 220 ° C. and the compression time was 0.2 seconds. The evaluation criteria were the same as the effect of molding temperature. <Experimental results> As shown in Table 6, the molding load of the flat portion is
It was good when it was 500 to 1000 g. When it was less than 500 g, the flat shape was not obtained. Again 1000
If it exceeds g, the flat portion becomes too thin and the shape cannot be controlled.
【００２２】[0022]
【表６】 [Table 6]
【００２３】なお、前記扁平部３を毛先に形成したモノ
フィラメントは、すべての植毛穴に植毛してあるが、同
じ植毛穴に先鋭テーパー部を形成したモノフィラメン
ト、或いは毛先を丸めた常用されているモノフィラメン
トと混在させて植毛してもよい。この場合、扁平部３の
あるモノフィラメントの混在本数は、少ないとそれに相
当して清掃力やマッサージ効果が減少するので、例えば
１０％以上１００％未満、好ましくは４０％以上とする
のがよい。さらに扁平部３のあるモノフィラメント１の
み、或いは混在して植毛した毛束をヘッド部４の植毛部
５に配列する場合には、市松模様状，千鳥模様状に配列
したり、或いは植毛部５の毛束配列の両側列だけ、また
は中央列の一列、或いは複列に配列することもできる
し、普通のフィラメント、或いは先端化フィラメントを
植毛した毛束との関係でヘッド部４の長手方向、或いは
巾方向に交互に配列することもできる。The monofilaments having the flattened portions 3 formed on the tips of the hairs are implanted in all the hair-implanted holes. However, the mono-filaments having the sharp taper portions formed in the same hair-implanted holes or the commonly used hairs having rounded hair tips are used. The hair may be mixed with the existing monofilaments and transplanted. In this case, if the number of monofilaments mixed with the flat portion 3 is small, the cleaning power and the massage effect are correspondingly reduced, so that it is preferably 10% or more and less than 100%, preferably 40% or more. Further, when arranging only the monofilament 1 having the flat portion 3 or a hair bundle in which hair is mixed and transplanted is arranged in the hair-implanting portion 5 of the head portion 4, it may be arranged in a checkered pattern, a zigzag pattern, or It is also possible to arrange only in both rows of the hair bundle arrangement, in one row in the central row, or in multiple rows, and in the longitudinal direction of the head portion 4 in relation to the hair bundle in which ordinary filaments or tip filaments are implanted, or It can also be arranged alternately in the width direction.
【００２４】[0024]
【発明の効果】本発明は、先鋭テーパー部を形成した合
成繊維モノフィラメントを植毛した歯ブラシにおいて、
先鋭化した刷毛の先端に扁平部を形成したモノフィラメ
ントを植毛したことにより、細かい隙間や歯間部に対し
て刷毛先端部分が容易に当たることができるので、歯間
部の歯垢除去が適確で、効果的な清掃が可能であり、し
かも歯ブラシをどの方向に動かして刷掃しても対応でき
るし、刷毛を歯間部の最深部にとどきやすくし、歯間部
および咬合面の刷掃をより効果的に行うことができ、清
掃効果、並びに耐久性の良好な歯ブラシとできるし、ま
た毛先が細かい隙間に浸入されやすく、刷毛の先端形状
が薄いために、ポケットのような深い隙間にも毛先が浸
入でき、しかも毛先の力が強く、汚れの除去が容易であ
り、毛先の扁平部で汚れの掻き取りができて、食べカス
やプラークの排除が十分でき、効率も大巾に向上でき
る。EFFECTS OF THE INVENTION The present invention provides a toothbrush in which synthetic fiber monofilaments having sharp taper portions are implanted,
By implanting a monofilament with a flattened part at the tip of the sharpened brush, the tip of the brush can easily hit the fine gaps and the interdental part, so plaque removal at the interdental part is accurate. , Effective cleaning is possible, and even if you move the toothbrush in any direction to brush it, it is easy to reach the deepest part of the interdental part and the interdental part and the occlusal surface are cleaned. The toothbrush can be performed more effectively, has a good cleaning effect and durability, and the bristle tips easily penetrate into the gaps, and the tip shape of the brush is thin, so it can be used in deep gaps such as pockets. The tip of the hair can penetrate, the force of the tip of the hair is strong, and the dirt can be easily removed.The dirt can be scraped off at the flat part of the hair tip, the food residue and plaque can be removed sufficiently, and the efficiency is also great. The width can be improved.
【図１】本発明の実施例の刷毛先端部の拡大図で、
（ａ）は側面図、（ｂ）はその正面図である。FIG. 1 is an enlarged view of a brush tip portion according to an embodiment of the present invention,
(A) is a side view and (b) is a front view thereof.
【図２】本発明の使用状態の一部の側面図である。FIG. 2 is a side view of a part of the use state of the present invention.
【図３】（ａ）〜（ｄ）は、それぞれ、本発明の他の実
施例の刷毛先端部の拡大正面図である。3 (a) to 3 (d) are enlarged front views of the tip of a brush according to another embodiment of the present invention.
【図４】歯肉縁下モデルの拡大縦断面図である。FIG. 4 is an enlarged vertical cross-sectional view of a subgingival model.
１ モノフィラメント ２ 先鋭テーパー部 ３ 扁平部 ４ ヘッド部 ５ 植毛部 1 Monofilament 2 Sharp taper part 3 Flat part 4 Head part 5 Flocking part
Claims (3)
ノフィラメントを植毛した歯ブラシにおいて、先鋭化し
た刷毛の先端に扁平部を形成したモノフィラメントを植
毛したことを特徴とする歯ブラシ。1. A toothbrush in which a monofilament of synthetic fibers having a sharp taper portion is transplanted, wherein a monofilament having a flat portion is formed at the tip of a sharpened brush.
比ｂ／ａが０．１〜０．８の範囲のもので、中心部の厚
みｃ、扁平部の根元直径ｄとしたとき、ｃ／ｄを０．５
〜１．１に、また、ａ／ｄを１．５〜５．０の範囲のも
のである請求項１記載の歯ブラシ。2. The flat portion has a ratio b / a of the maximum width a and the minimum width b in the range of 0.1 to 0.8, a thickness c of the central portion, and a root diameter d of the flat portion. C / d is 0.5
2. The toothbrush according to claim 1, wherein the toothbrush has an a / d of 1.5 to 5.0 and an a / d of 1.5 to 5.0.
め塗布または浸漬するコーティング工程と、該コーティ
ング部位を下にして加水分解液に浸漬して、徐々に引け
上げてフィラメントにテーパー部分を形成して、水洗す
るテーパー成形工程と、フィラメントの先端部を加温圧
子、ローラで加圧して扁平部を形成する扁平成形工程
と、前記コーティング部の撥水剤を溶剤にて除去する洗
浄工程とから構成されるモノフィラメントを植毛するこ
とを特徴とする歯ブラシの製造方法。3. A coating step in which a water repellent agent is applied or dipped in advance on the tip of a monofilament, and the coating portion is dipped into a hydrolyzed solution and gradually pulled up to form a taper portion on the filament. A taper forming step of washing with water, a flattened shape step of pressing the tip of the filament with a heating indenter and a roller to form a flat portion, and a washing step of removing the water repellent agent of the coating portion with a solvent. A method for producing a toothbrush, which comprises implanting bristles of a monofilament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33750794A JP3523925B2 (en) | 1994-12-28 | 1994-12-28 | Toothbrush and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33750794A JP3523925B2 (en) | 1994-12-28 | 1994-12-28 | Toothbrush and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08182694A true JPH08182694A (en) | 1996-07-16 |
| JP3523925B2 JP3523925B2 (en) | 2004-04-26 |
Family
ID=18309310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33750794A Expired - Fee Related JP3523925B2 (en) | 1994-12-28 | 1994-12-28 | Toothbrush and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3523925B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013052110A (en) * | 2011-09-05 | 2013-03-21 | Sunstar Inc | Single tuft brush |
| WO2014112769A1 (en) * | 2013-01-15 | 2014-07-24 | 주식회사 엘지생활건강 | Toothbrush bristle having water-repellent properties, and toothbrush comprising same |
-
1994
- 1994-12-28 JP JP33750794A patent/JP3523925B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013052110A (en) * | 2011-09-05 | 2013-03-21 | Sunstar Inc | Single tuft brush |
| WO2014112769A1 (en) * | 2013-01-15 | 2014-07-24 | 주식회사 엘지생활건강 | Toothbrush bristle having water-repellent properties, and toothbrush comprising same |
| CN104936480A (en) * | 2013-01-15 | 2015-09-23 | 株式会社Lg生活健康 | Toothbrush bristle having water-repellent properties, and toothbrush comprising same |
| JP2016502907A (en) * | 2013-01-15 | 2016-02-01 | エルジー ハウスホールド アンド ヘルスケア リミテッド | Toothbrush bristle having water repellency and toothbrush including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3523925B2 (en) | 2004-04-26 |
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