JP2009273760A - Toothbrush - Google Patents

Toothbrush Download PDF

Info

Publication number
JP2009273760A
JP2009273760A JP2008129474A JP2008129474A JP2009273760A JP 2009273760 A JP2009273760 A JP 2009273760A JP 2008129474 A JP2008129474 A JP 2008129474A JP 2008129474 A JP2008129474 A JP 2008129474A JP 2009273760 A JP2009273760 A JP 2009273760A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
portion
toothbrush
part
small ridges
oyama
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
Application number
JP2008129474A
Other languages
Japanese (ja)
Other versions
JP5160955B2 (en )
Inventor
Takehiko Ikeda
健彦 池田
Original Assignee
Kao Corp
花王株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Images

Abstract

PROBLEM TO BE SOLVED: To provide a toothbrush capable of highly efficiently brushing teeth while holding a state of pushing the bristle ends at the tip of a brush part against a considerable contact area from an interdental part of a tooth face to a smooth part without applying so much force thereto when brushing especially anterior teeth.
SOLUTION: When viewing a brush part 16 from the side, this toothbrush is formed with a small crest part 17 where a ridge line (s) formed by connecting the tips of bristle bundles 15a and 15b is disposed at the tip part of the brush part 16, and a large crest part 18 that continues rearward the small crest part 17, and having the length L2 in the brush part longitudinal direction X larger than that of the small crest part 17, wherein the height of the large crest part 18 from the bristle-filling base 11 is gradually formed higher from a trough bottom part formed between itself and the small crest part 17, toward a top portion 18a. The top portion 17a of the small crest part 17 is formed higher than the top portion 18a of the large crest part 18 and the length of a line segment L formed by connecting the top portion 17a of the small crest part 17 to the top portion 18a of the large crest part 18 is defined to 4.3-9.2 mm. The length of a perpendicular drawn from the trough bottom part 19 to the line segment L is defined to 0.8-1.6 mm.
COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、歯ブラシに関し、特に複数本のブリッスルを束ねてなる毛束を植毛台に複数植設してブラシ部が形成された歯ブラシに関する。 The present invention relates to toothbrushes, it relates toothbrush brush portion is formed by a plurality implanted hair bundle flocking stand particularly by bundling a plurality of bristles.

歯ブラシは、複数本のブリッスルを束ねてなる毛束を、例えば植毛台に設けられた複数の植毛穴に平線を打ち込んだり、熱で融着させる方法等によって植設固定することにより、複数の毛束からなるブラシ部を形成して得られるものである。 Toothbrush, the bristle bundle formed by bundling a plurality of bristles, eg Dari implanting Tairasen a plurality of bristles hole provided in the bristle base, by implanting fixed by way fusing by heat or the like, a plurality of it is obtained by forming a brush portion consisting of tufts. また、歯ブラシは、歯面の歯間部と平滑部、歯面の頬側と舌側等の歯の部位や、前歯、奥歯等の歯の種類に応じた適切な刷掃を効率良く行うことができるように、毛束の配置やブラシ部の全体の形状、ブリッスルの形状等に種々の工夫がなされている。 Further, toothbrush, gullet and the smoothing of the tooth surface, and buccal and teeth lingual such as site of the tooth surfaces, anterior, efficiently performing the appropriate brushing in accordance with the type of tooth, such as molars as can, overall shape of the arrangement and the brush portion of the tufts, various contrivances in shape of bristles have been made.

例えば、ブラシ部を側面から見たときに、毛束の先端を結んだ先端線の稜線の形状が、連設する山形や波形となるようにブラシ部を形成して、歯間部や歯の舌側(裏側)の凹状部等、特に奥歯の歯間に対する歯垢除去機能を向上させた歯ブラシが開発されている(例えば、特許文献1、特許文献2参照)。 For example, when viewing the brush portion from the side, the shape of the ridge connecting it tip line the tip of the hair bundle, to form a brush portion such that the angled or waveform continuously provided, the gullet and teeth concave portion or the like of the lingual (back side), toothbrush, particularly with improved plaque removal capability for inter-posterior teeth of the teeth have been developed (e.g., see Patent Document 1, Patent Document 2).
実開昭62−102431号公報 Japanese Utility Model Publication No. 62-102431 特開2006−130012号公報 JP 2006-130012 JP

一方、効果的な歯の手入れの仕方として、ブラシ部の先端の毛先を歯面に押し当てながら、小さく細かな振動を与えてブラッシングを行う、スクラッビング法やバス法といった磨き方が知られている。 On the other hand, as a method effective dental care, while pressing the bristle tips of the brush tip portion to the tooth surface, performs brushing giving small fine vibration, it is known how polished such scrubbing method and Bass method there. このような磨き方では、あまり力を入れずにブラシ部の先端の毛先を歯面に押し当てた状態でも、歯面に対してできるだけ大きな接触面積を確保できるようにすることが望ましい。 In such polishing way, even when pressed against so the bristles of the brush tip portion without focus on tooth surfaces, it is desirable to be able to ensure a largest possible contact area with respect to the tooth surface.

また、例えば、前歯を綺麗に見せるために着色除去性能に優れた歯磨き剤が種々開発されており、これらの歯磨き剤を用いて着色除去を目的とした歯の手入れを行う場合には、前歯の歯面の歯間部から平滑部に亘って、相当の接触面積でブラシ部の先端の毛先を押し当てた状態を保持して、効率良く前歯のブラッシングを行えるようにすることが望ましい。 Further, for example, excellent dentifrice colored removal performance to show clean the front teeth has been developed, in the case of the dental care for the purpose of coloring is removed using these dentifrice, the front teeth over the smooth portion from the interdental portion of the tooth surface, holds pressed against the bristles of the brush tip portion in substantial contact area, it is desirable to allow the brushing efficiently front teeth.

本発明は、奥歯と奥歯の歯間を磨きやすくするとともに、前歯に対してブラッシングを行う際に、あまり力を入れずに、歯間部から平滑部に亘って相当の接触面積でブラシ部の先端の毛先を押し当てた状態を保持して、効率良くブラッシングを行うことのできる歯ブラシを提供することを目的とする。 The present invention is to easily polish between the teeth of the back teeth and posterior teeth, when performing brushing against front teeth, without putting too much force, the interdental brush portion in the contact area of ​​the corresponding across smoothing unit holds pressed against the tip of the bristles, and to provide efficient toothbrush that can perform brushing.

本発明は、植毛台に植毛された複数の毛束からなるブラシ部を有する歯ブラシであって、該ブラシ部を側面から見たときに、毛束の先端を結んだ稜線が、ブラシ部の長手方向の先端部分に配置される小山部と、谷底部を挟んで前記小山部の後方に連続し、前記小山部よりもブラシ部の長手方向長さの長い大山部とを含む形状を備え、前記大山部は、前記小山部との間の谷底部から頂部まで植毛台からの高さが徐々に高く形成され、前記小山部の頂部の植毛台からの高さは、前記大山部の頂部の植毛台からの高さよりも高く、前記小山部の頂部と前記大山部の頂部とを結んだ線分の長さが4.3〜9.2mmで、前記谷底部から前記小山部の頂部と前記大山部の頂部とを結んだ線分に降ろした垂線の長さが0.8〜1.6mmである歯ブラシを The present invention provides a toothbrush having a brush portion comprising a plurality of tufts has been planted in the bristle base, when viewed the brush portion from the side edge line connecting the tip of the hair bundle, longitudinal brush portion a small ridges which are positioned at the distal end portion of the direction, across the valley portion continuous to the rear of the small ridges, provided with a shape including a long Oyama portion of the longitudinal length of the brush portion than the small ridges, the Oyama unit, the height from the bristle base from the valley bottom to top between the small ridges is gradually formed higher height from bristle base of the top of the small ridges is flocked top of the Oyama portion higher than the height from the platform, the length of the line segment connecting the top of the Oyama portion and the top portion of the small ridges is 4.3~9.2Mm, the Oyama with the top of the small ridges from the root portion the length of the perpendicular dropped to the line connecting the top of the part is a toothbrush is 0.8~1.6mm 供することにより、上記目的を達成したものである。 By subjecting, in which to achieve the above objects.

本発明の歯ブラシによれば、歯間部を効率よく磨くことを可能にしつつ、前歯に対してブラッシングを行う際に、あまり力を入れずに、歯間部から平滑部に亘って相当の接触面積でブラシ部の先端の毛先を押し当てた状態を保持して、効率良くブラッシングを行うことができる。 According to the toothbrush of the present invention, while allowing to brush efficiently gullet, when performing brushing against front teeth, without putting too much force, the contact of the corresponding across smoothing unit from gullet holds pressed against the bristles of the brush tip portion in the area, it can be efficiently performed brushing.

本発明の好ましい一実施形態に係る歯ブラシ10は、図1(a),(b)に示すように、把持部(図示せず)と植毛台11とこれらの間に位置する首部12とからなる。 Toothbrush 10 according to a preferred embodiment of the present invention, FIG. 1 (a), consists of a neck portion 12 which is located between these and the flocking stage 11 and (b), the gripper (not shown) . 歯ブラシ10は、歯ブラシ本体の植毛台11に形成した複数の植毛穴13(13a,13b)に、複数本のブリッスル14(14a、14b)を束ねてなる毛束(タフト)15(15a,15b)を各々植毛(植設)することによって構成される。 Toothbrush 10 includes a plurality of bristles holes 13 formed in flocking stage 11 of the toothbrush body (13a, 13b), the bristle bundle (tufts) 15 formed by bundling a plurality of bristles 14 (14a, 14b) (15a, 15b) each constructed by flocking (implanted) a. ここで、本実施形態によれば、第1植毛穴13aは、例えば直径が1〜2.5mmの大きな直径の円形の植毛穴となっており、この第1植毛穴13aには、ひし形断面ブリッスル14aを束ねたひし形毛束15aが植設されている。 Here, according to the present embodiment, the first planting pores 13a, for example diameter has a circular bristle holes of large diameter of 1 to 2.5 mm, in the first planting pores 13a is rhombus cross section bristles diamond hair bundles 15a are implanted a bundle of 14a. また、第2植毛穴13bは、例えば直径が1〜2.0mmの、第1植毛穴13aと同じ、好ましくは第1植毛孔13aと比較して小さな直径の円形の植毛穴となっており、この第2植毛穴13bには、円形断面ブリッスル14bを束ねた円形毛束15bが植設されている。 The second planting pores 13b, for example a diameter of 1~2.0Mm, same as the first planting pores 13a, preferably has a circular bristle holes of small diameter relative to the first bristle holes 13a, this second planting pores 13b, a circular tuft 15b a bundle of circular cross-section bristles 14b are implanted.

そして、本実施形態の歯ブラシ10は、複数の毛束15a,15bからなるブラシ部16を有し、ブラシ部16を側面から見たときに、毛束15a,15bの先端(歯ブラシ10の短手方向Yで最も高い毛束の先端)を結んだ稜線sが、ブラシ部16の長手方向Xの先端部分に配置される小山部17と、谷底部19を挟んで小山部17の後方に連続し、小山部17よりもブラシ部16の長手方向Xの長さL2が大きな大山部18とを含んだ形状を備えている。 The toothbrush 10 of the present embodiment has a plurality of bristle tufts 15a, the brush portion 16 consisting 15b, when viewed brush portion 16 from the side, the shorter tufts 15a, 15b of the tip (toothbrush 10 the highest hair bundle tip) the connecting it ridgeline s in the direction Y is a small ridges 17 that are positioned at the distal end portion of the longitudinal direction X of the brush portion 16, across the valley portion 19 continuous to the rear of the small ridges 17 , than small ridges 17 longitudinal direction X of the length L2 of the brush portion 16 is provided with the inclusive form a large Oyama portion 18. ここで、小山部17と大山部18の間の谷底部19とは、稜線sが描く小山部17と大山部18の間の最も低い位置を意味する。 Here, the root portion 19 between the small ridges 17 and Oyama unit 18 refers to the lowest position between the small ridges 17 Daisen portion 18 drawn by the ridge line s. そして、大山部18は、谷底部19から当該大山部18の頂部18aまで植毛台11からの高さが徐々に高くなっている。 Then, Oyama unit 18, the height from the bristle base 11 from the valley portion 19 to the top portion 18a of the Oyama portion 18 is gradually increased. また、大山部18の稜線18bは、谷底部19と大山部18の頂部18aとを結んだ直線の植毛台11の表面に対する傾きが、小山部17の稜線17bの谷底部19と小山部17の頂部17aとを結んだ直線の植毛台11の表面に対する傾きよりも小さくなっている。 Further, the ridge line 18b of Oyama section 18 of the valley portion 19 and the Oyama section 18 tilt with respect to the surface of the flocked base 11 of a straight line connecting the apex portion 18a, the ridge line 17b of small ridges 17 trough bottom 19 and the small ridges 17 It is smaller than the slope of a straight line connecting the apex portion 17a to the surface of the flocked base 11.

本実施形態の歯ブラシ10は、小山部17の頂部17aの植毛台11からの高さが、大山部18の頂部18aの植毛台11からの高さよりも高く、小山部17の頂部17aと大山部18の頂部18aとを結んだ線分Lの長さが4.3〜9.2mmとなっており、谷底部19から小山部17の頂部17aと大山部18の頂部18aとを結んだ線分Lに降ろした垂線Dの長さが0.8〜1.6mmとなっている。 Toothbrush 10 of the present embodiment, the height from the bristle base 11 of the top portion 17a of the small ridges 17 is higher than the height from the bristle base 11 of the top portion 18a of the Oyama portion 18, the top portion 17a of the small ridges 17 Daisen portion 18 the length of the connecting I segment L and a top 18a of has become a 4.3~9.2Mm, line segment connecting the top portion 18a of the top portion 17a and the Oyama portion 18 from the valley portion 19 small ridges 17 the length of the perpendicular line D, which was down to L has become a 0.8~1.6mm.

また、本実施形態では、毛束15a,15bの先端を結んだ稜線sは、大山部18の後方に谷底部20を挟んで連続し、小山部17と略対称形状の後方小山部21を含んだ形状を備えている。 Further, in the present embodiment, the hair bundle 15a, the ridge line s connecting the tip of 15b is continuous across the valley portion 20 at the rear of Oyama portion 18, includes a small ridges 17 and substantially symmetrical shape of the rear small ridges 21 it has a shape.

本実施形態では、歯ブラシ本体は、例えばポリプロピレン、ポリエステル、ABS樹脂(アクリロニトリルブタジエンスチレン共重合体)等の合成樹脂からなり、その植毛台11の平坦な表面には、長手方向Xの先端部分に3箇所の第1植毛穴13aが開口形成され、これらの第1植毛穴13aの後方部分には、ブラシ部16の巾方向Yに3列、合計8箇所の第2植毛穴13bが開口形成されている。 In this embodiment, the toothbrush body, such as polypropylene, polyester, ABS resin (acrylonitrile butadiene styrene copolymer) made of a synthetic resin such as, in the flat surface of the bristle base 11, the tip portion of the longitudinal direction X 3 the first planting pores 13a places are opened and formed in the rear portion of the first planting pores 13a, 3 rows in the width direction Y of the brush portion 16, the second planting pores 13b in total eight is opened and formed there. またこれらの第2植毛穴13bの後方部分には、ブラシ部16の巾方向Yに1列、2箇所の第1植毛穴13aが開口形成されており、さらにこれらの第1植毛穴13aの後方部分には、ブラシ部16の巾方向Yに2列、合計6箇所の第2植毛穴13bが開口形成されている。 Also in the rear portion of the second planting pores 13b, 1 line in the width direction Y of the brush portion 16, the first planting pores 13a of the two portions are opened and formed, further rearward of the first planting pores 13a in part, two rows in the width direction Y of the brush portion 16, the second planting pores 13b in total six is ​​opened and formed. そして、これらの第2植毛穴13bの後方部分には、ブラシ部16の長手方向Xの後端部分に位置して、ブラシ部16の巾方向Yに1列、2箇所の第1植毛穴13aが開口形成されている。 And these in the rear portion of the second planting pores 13b, located at the rear end portion in the longitudinal direction X of the brush unit 16, a row in the width direction Y of the brush portion 16, of the two positions the first planting pores 13a There are openings formed.

これらの植毛穴13a,13bは、各々が1.5〜4.5mm程度の深さを有しており、各植毛穴13a,13bには、ひし形毛束15a、或いは円形毛束15bが、平線を打ち込む方法や熱で融着させる方法等によって、植毛台11の表面から7〜15mmの毛丈で植設されている。 These flocking holes 13a, 13b, each have a depth of about 1.5 to 4.5 mm, the flocking holes 13a, the 13b, diamonds tufts 15a, or circular tufts 15b is flat by a method such as fusing by way or heat implanting lines, it is implanted in the bristle length of 7~15mm from the surface of the bristle base 11. 先端部分の3箇所の第1植毛穴13aには、ひし形毛束15aが植設されている。 The first planting pores 13a of three of the tip portion, diamond tufts 15a are implanted. そして、これらのひし形毛束15aの後方の8箇所の第2植毛穴13bには、円形毛束15bが植設され、その後方の2箇所の第1植毛穴13aにひし形毛束15a、さらにその後方の6箇所の第2植毛穴13bに円形毛束15b、その後方の2箇所の第1植毛穴13aにひし形毛束15aが植設され、これがブラシ部16の後端に位置する。 Then, in the second planting pores 13b of eight of the rear of these diamonds tufts 15a, circular tufts 15b is implanted, diamonds tufts 15a in the first planting pores 13a of the two locations of the rear Thereafter second planting pores 13b in a circular tufts 15b of six of square, rhomboid tufts 15a is embedded in the first planting pores 13a of the two locations of the rear, which is located at the rear end of the brush portion 16.

なお、本実施形態において、ひし形毛束15aとは全ブリッスル中の80〜100%がひし形断面ブリッスルとなっている毛束であり、円形毛束15bとは円形又は6角形以上の正多角形断面ブリッスルからなる毛束である。 In the present embodiment, the diamond-shaped tufts 15a are tufts has a 80% to 100% Gahishigata sectional bristles in all bristles, round or hexagonal or regular polygonal cross-section and circular tufts 15b it is a hair bundle of bristles.

上述のようにして、ひし形毛束15a、及び円形毛束15bが歯ブラシ10の植毛台11に植設されることにより、ひし形毛束15aは、面積比で、ブラシ部16を構成する全毛束15a,15bの面積の総和の25〜75%の面積を占めている。 As described above, by diamonds tufts 15a, and circular tufts 15b is implanted in flocking stage 11 of the toothbrush 10, diamond tufts 15a is an area ratio, constituting the brush portion 16 Zenketaba 15a, it occupies 25-75% of the area of ​​the total area of ​​15b. ここで、各毛束15a,15bの面積は、各毛束15a,15bの根本部における断面積に相当し、これらが植設される第1植毛穴13a、第2植毛穴13bの開口面積を介して計算されるものである。 Here, the capillary bundles 15a, the area of ​​the 15b, each tuft 15a, corresponds to the cross-sectional area at the base portion of the 15b, the first planting pores 13a in which they are implanted, the opening area of ​​the second planting pores 13b are those calculated through. 本実施形態によれば、ひし形毛束15aは、ブラシ部16を構成する複数の毛束15a,15b内に面積比で25〜50%含まれていることが好ましく、30〜45%含まれていることがさらに好ましい。 According to this embodiment, diamond tufts 15a, a plurality of tufts 15a constituting the brush portion 16, preferably contained 25-50% by area within 15b, contains 30% to 45% it is further preferred that there. ひし形毛束15aが全毛束15a,15b内に面積比で25〜75%含まれていることにより、歯垢除去に有効であるという利点が得られる。 Diamonds tufts 15a is Zenketaba 15a, by which is included 25 to 75% by area in 15b, advantage is effective in plaque removal is obtained.

ひし形毛束15aを構成するひし形断面ブリッスル14aは、ナイロン等の合成樹脂からなるフィラメント材であって、図3(a)に示すように、ひし形或いはひし形に近似する平行四辺形の断面形状を備えている。 Rhombic cross section bristles 14a that constitutes the rhombus tufts 15a is a filament material made of a synthetic resin such as nylon, as shown in FIG. 3 (a), provided with a parallelogram cross-sectional shape that approximates a diamond or rhombus ing. また、ひし形断面ブリッスル14aは、その毛径として、例えば断面二次半径の2倍が、6〜10mil(0.15〜0.25mm)の太さを有し、これを例えば十数本〜数十本束ねることによって、上述の第1植毛穴13aの開口形状に相当し、例えば1.0〜2.5mmの束径のひし形毛束15aが形成される。 Also, rhombic cross-section bristles 14a as its bristle diameter, for example, twice the cross-sectional secondary radius has a thickness of 6~10mil (0.15~0.25mm), which for example ten several to several by bundling ten corresponds to the shape of the opening of the first planting pores 13a described above, for example, rhombus tufts 15a of flux diameter of 1.0~2.5mm is formed.

ここで、ひし形断面ブリッスル14aの断面形状は、ひし形又は平行四辺形形状の2本の対角線において、短い対角線に対する長い対角線の比(長い対角線/短い対角線)が1.2〜1.9となっていることが好ましい。 Here, the cross-sectional shape of the rhombic cross-section bristles 14a, in two diagonal lines of the rhombus or a parallelogram shape, the long diagonal of the ratio (long diagonal line / short diagonal line) becomes the 1.2 to 1.9 for the short diagonal it is preferable to have. 短い対角線に対する長い対角線の比が1.2〜1.9となっていることにより、ブリッスルが歯間部位に入りやすくなると共に歯面の平滑部に対するブリッスルの接触面積が大きくなる利点が得られる。 Short by long diagonal of the ratio diagonal is in the 1.2 to 1.9, bristles advantage that increases the contact area of ​​the bristles with respect to the smooth portion of the tooth surface with easily enter the interdental site obtained. また、ひし形毛束15aは、当該毛束15aを構成するブリッスル中にひし形断面ブリッスル14aが80〜100%含まれていれば、ひし形毛束15aとしての機能を十分に発揮することが可能になる。 Also, diamonds tufts 15a is if it contains 80% to 100% diamond-shaped cross-section bristles 14a are in bristles constituting the bristle bundle 15a, it is possible to sufficiently exhibit the function as diamonds tufts 15a . なお、本実施形態によれば、各ひし形断面ブリッスル14aの先端の毛先には、ラウンド加工が施されている他、テーパー形状に加工することもできる。 Incidentally, according to this embodiment, the bristle tips of the tip of each diamond-shaped cross-section bristles 14a, except that the round processing is given, can be processed into a tapered shape.

円形毛束15bを構成する円形断面ブリッスル14bは、ナイロン等の合成樹脂や、豚毛などの天然素材からなるフィラメント材であって、図3(b)に示すように、円形断面或いは6角形以上の正多角形断面を有している。 Circular section bristles 14b constituting the circular tufts 15b is, synthetic resin such as nylon, a filament material made of natural materials such as pig hair, as shown in FIG. 3 (b), a circular cross section or hexagonal or It has a regular polygonal cross-section. また、円形断面ブリッスル14bは、その毛径として、直径が例えば6〜10mil(0.15〜0.25mm)の太さを有しており、これを例えば十数本〜数十本束ねることによって、上述の第2植毛穴13bの開口形状に相当する、例えば1.0〜2.0mmの束径の円形毛束15bが形成されることになる。 Moreover, the circular cross-section bristles 14b as its bristle diameter, has a thickness of a diameter for example 6~10mil (0.15~0.25mm), by bundling this example ten several to several tens of corresponds to the shape of the opening of the second planting pores 13b described above, for example, be circular tufts 15b of beam diameter of 1.0~2.0mm is formed. また、本実施形態によれば、各円形断面ブリッスル14bの先端の毛先には、例えばラウンド加工を施すことができる他、テーパー形状や球状等に加工することもできる。 Further, according to this embodiment, the bristle tips of the tip of each circular section bristles 14b, other amenable to example round processing can be processed into a tapered shape or spherical shape.

そして、本実施形態の歯ブラシ10によれば、図1(b)及び図2に示すように、ブラシ部16を側面から見たときに、毛束15a,15bの先端(ブラシ部16の短手方向Yにおいて植毛台11からの高さが最も高い先端)を結んだ稜線sが、ブラシ部16の長手方向Xの先端部分に配置される小山部17と、谷底部19を挟んで小山部17の後方に連続する大山部18とを含む形状を備え、大山部18は、小山部17よりブラシ部16の長手方向Xの長さL2が長く、稜線18bの植毛台11表面に対する傾きが小山部17よりも小さくなっている。 Then, according to the toothbrush 10 of the present embodiment, the short of FIG. 1 (b) and as shown in FIG. 2, when viewed brush portion 16 from the side tufts 15a, 15b of the tip (the brush portion 16 direction Y ridge s connecting the height highest tip) from flocking stage 11 in the, small ridges 17 and the small ridges 17 that are positioned at the distal end portion of the longitudinal direction X of the brush portion 16, across the valley portion 19 of including a shape including Daisen portion 18 continuous to the rear, Oyama portion 18, small ridges longer longitudinal direction X of the length L2 of the brush portion 16 than 17, the inclination is small ridges for flocking stage 11 the surface of the ridge line 18b It is smaller than 17. また、本実施形態によれば、ブラシ部16は、その巾方向Y(ブラシ部16の短手方向)に沿った各列の毛束15a,15bの先端による稜線が凹凸を成すものであっても良いが、毛束15a,15bの先端を同じ高さとして、巾方向Yに各列の毛束の先端を結んだ稜線を概ね水平に形成することが効率的なブラッシングの観点から好ましい。 Further, according to this embodiment, the brush unit 16, be those tufts 15a of each column along its width direction Y (lateral direction of the brush unit 16), the ridge by the tip of 15b forms an uneven may, but tufts 15a, the tip of 15b as the same height, it is preferable from the viewpoint of efficient brushing of generally horizontally form a ridge line connecting the tips of tufts of each row in the width direction Y. ここで、巾方向Yに各列の毛束の先端を結んだ稜線が概ね水平にある場合は、毛束を構成するブリッスル又は各毛束の高さの差があっても、当該差が0.3mmの範囲内、好ましくは0.1mmの範囲内にある。 Here, if the edge line connecting the tips of tufts of each row in the width direction Y is generally horizontal, even if there is a difference in height of the bristles or the bristle bundles constituting the tufts, the difference is 0 in the range of .3Mm, preferably in the range of 0.1 mm. また、側面から見た稜線sが、中央の大山部18を挟んだ両側に、谷底部19,20を介して先端に小山部17、後端に後方小山部21が連続する、大山部18の中央を中心として略対称な形状を備えることが好ましい。 Further, ridge s viewed from the side is, on both sides of the center of Oyama portion 18, small ridges 17 on the tip through the valley portions 19 and 20, the rear small ridges 21 are continuous to the rear end, Oyama 18 preferably comprises a substantially symmetrical shape about a center.

また、本実施形態では、小山部17の頂部17aを挟んだ両側の稜線17bは外側に凸の湾曲形状であって、曲率半径が2.0〜4.0mmとなっていると共に、後方小山部21の頂部21aを挟んだ両側の稜線21bもまた外側に凸の湾曲形状であって、曲率半径が2.0〜4.5mmとなっている。 Further, in the present embodiment, the ridge line 17b of the opposite sides of the top portion 17a of the small ridges 17 is a curved convex shape on the outside, with radius of curvature is in the 2.0 to 4.0 mm, the rear small ridges both sides of the ridge line 21b sandwiching the top portion 21a of 21 also have a curved shape convex outwardly, the radius of curvature is in the 2.0~4.5Mm. そして、大山部18の稜線18bも外側に凸の湾曲形状であって、小山部17と後方小山部21の稜線17b,21bよりも曲率半径が大きく、曲率半径が10〜25mmとなっている。 Then, a ridge 18b of the Oyama unit 18 also a curved shape convex outwardly, ridgeline 17b of small ridges 17 and the rear small ridges 21, a large radius of curvature than 21b, the radius of curvature is in the 10 to 25 mm.

さらに、本実施形態では、小山部17の頂部17aの植毛台11からの高さが、大山部18の頂部18aの植毛台11からの高さよりも高く、好ましくは0.2〜2.0mm、さらに好ましくは0.3〜0.7mm高い。 Furthermore, in the present embodiment, the height from the bristle base 11 of the top portion 17a of the small ridges 17 is higher than the height from the bristle base 11 of the top portion 18a of the Oyama portion 18, preferably 0.2 to 2.0 mm, more preferably 0.3~0.7mm high. 小山部17の頂部17aの植毛台11からの高さが、大山部18の頂部18aの植毛台11からの高さよりも0.2〜2.0mm高くなっていることにより、小山部17を歯間に入れた状態で大山部18の歯面の平滑部への接触面積を大きくすることができる。 By the height from bristle base 11 of the top portion 17a of the small ridges 17, 0.2 to 2.0 mm is higher than the height from the bristle base 11 of the top portion 18a of the Oyama portion 18, teeth small ridges 17 it is possible to increase the contact area of ​​the smooth portion of the tooth surface of the Oyama portion 18 in a state placed between.

そして、本実施形態では、小山部17の頂部17aと大山部18の頂部18aとを結んだ線分Lの長さが4.3〜9.2mmとなっており、5.0〜7.8mmとすることがさらに好ましい。 In the present embodiment, the line segment length of L that connects a top 18a of the top portion 17a and the Oyama portion 18 of small ridges 17 has a 4.3~9.2mm, 5.0~7.8mm more preferably in the. この線分Lの長さを4.3〜9.2mmとすることにより、小山部17を歯間に入れた状態で大山部18の歯面の平滑部への接触面積を大きくすることができる。 By the length of the line segment L and 4.3~9.2Mm, it is possible to increase the contact area of ​​the smooth portion of the tooth surface of the Oyama portion 18 in a state where the small ridges 17 placed between the teeth . . .

また、谷底部19から小山部17の頂部17aと大山部18の頂部18aとを結んだ線分Lに降ろした垂線Dの長さは、0.8〜1.6mmとすることが好ましく、0.9〜1.3mmとすることがさらに好ましい。 The length of the perpendicular line D that down to the line segment L that connects a top 18a of the top portion 17a and the Oyama portion 18 from the valley portion 19 small ridges 17, preferably in the 0.8~1.6Mm, 0 and even more preferably to a .9~1.3Mm. 谷底部19から線分Lに降ろした垂線Dの長さを0.8〜1.6mmとすることにより、小山部17を歯間に入れた状態で、大山部18が歯面の平滑部に接触しやすくなり、特に前歯の歯面への接触面積を大きくすることができる。 By the length of a perpendicular D dropping off from the valley portion 19 to the line segment L and 0.8~1.6Mm, the small ridges 17 in a state placed in between the teeth, Oyama portion 18 to the smooth portion of the tooth surface contact easily, in particular to increase the contact area of ​​the tooth surface of the front teeth. . .

さらに、本実施形態では、小山部17のブラシ部16の長手方向Xの長さL1は、4.0〜4.7mmであることが好ましく、4.3〜4.7mmであることがさらに好ましい。 Furthermore, in the present embodiment, the longitudinal direction X of the length L1 of the brush portion 16 of the small ridges 17 is preferably 4.0~4.7Mm, more preferably from 4.3~4.7mm . 小山部17の長手方向Xの長さL1が、4.0〜4.7mmとなっていることにより、小山部17を歯間に入れた状態で、小山部17の山裾部の領域が歯面の平滑部に当たりにくくなり、谷底部19が歯面の歯間部に続く角部に位置しやすくなり、大山部18の平滑部への接触面積を大きくすることができる。 Longitudinal direction X of the length L1 of the small ridges 17, by which a 4.0~4.7Mm, the small ridges 17 in a state placed in between the teeth, the area of ​​the foot of the mountain part of the small ridges 17 tooth surface the less likely it hits the smooth portion can be valley portion 19 is easily located in the corner portion following the interdental portion of the teeth surfaces, to increase the contact area of ​​the smooth portion of the Oyama portion 18.

さらに、本実施形態では、大山部18のブラシ部16の長手方向Xの長さL2は、5.8〜10.5mmとなっていることが好ましい。 Furthermore, in the present embodiment, the length L2 in the longitudinal direction X of the brush portion 16 of the Oyama portion 18 is preferably has a 5.8~10.5Mm. 大山部18の長手方向Xの長さL2が、5.8〜10.5mmとなっていることにより、大山部18を構成する毛束の先端による稜線18bは、植毛台11からの高さが谷底部19から頂部18aに徐々に高く形成され、小山部17を歯間に入れた状態で大山部18の歯面の平滑部への接触面積を大きくすることができる。 Longitudinal direction X of the length L2 of the Oyama portion 18, by which a 5.8~10.5Mm, ridgeline 18b by the tip of the hair bundle constituting the Oyama unit 18, the height from the bristle base 11 is gradually increased form the valley portion 19 at the top 18a, the small ridges 17 can increase the contact area between the smooth portion of the tooth surface of the Oyama portion 18 in a state placed in between the teeth.

そして、上述の構成を備える本実施形態の歯ブラシ10によれば、小山部17によって歯間を効率良くブラッシングできると共に、大山部18によって歯面を効率よくブラッシング可能とし、特に前歯に対してブラッシングを行う際に、あまり力を入れずに、歯面の歯間部から平滑部に亘って相当の接触面積でブラシ部16の先端の毛先を押し当てた状態を保持して、効率良くブラッシングを行うことが可能になる。 Then, according to the toothbrush 10 of the present embodiment having the configuration described above, it is possible to efficiently brushing the interdental by small ridges 17, the tooth surface and can efficiently brushing the Oyama unit 18, a brushing especially for front teeth when performing, without putting too much force, it holds pressed against the bristles of the brush tip portion 16 at the contact area of ​​the corresponding across smoothing unit from interdental tooth surfaces, efficiently brushing it is possible to perform.

すなわち、本実施形態によれば、毛束15a,15bの先端を結んだ稜線sが、植毛台11の先端部分に配置される小山部17の稜線17bと、谷底部19を挟んで小山部17の後方に連続し、小山部17よりもブラシ部16の長手方向長さの長い大山部18の稜線18bとを含んだ形状を備えており、且つ小山部17の頂部17aが大山部18の頂部18aよりも高く、小山部17の頂部17aと大山部18の頂部18aとを結んだ線分Lの長さが4.3〜9.2mm、谷底部19から線分Lに降ろした垂線Dの長さが0.8〜1.6mmとなっている。 That is, according to this embodiment, bristle tufts 15a, small ridges 17 ridgeline s connecting the tip of 15b includes a ridge line 17b of small ridges 17 disposed on the tip portion of the bristle base 11, across the valley portion 19 the continuous backward, than the small ridges 17 includes laden shape and ridge 18b of the long Oyama portion 18 of the longitudinal length of the brush portion 16, and the top portion 17a of the small ridges 17 top of Oyama 18 higher than 18a, the length of the top portion 17a and the line segment L that connects a top 18a of the Oyama portion 18 of small ridges 17 4.3~9.2Mm, the perpendicular line D drawn from valley portions 19 to the line segment L length has become a 0.8~1.6mm. したがって、小山部17によって歯間を効率よくブラッシングできるとともに、図4に示すように、ブラシ部16の先端の毛先を歯面に押し当てながら、小さく細かな振動を与えてスクラッビング法やバス法によって前歯22のブラッシングを行う際に、小山部17の頂部17aを前歯22の歯間部22aに挿入すれば、小山部17と大山部18との間の谷底部19が、前歯22の平滑部22bの角部分に近接して配置されると共に、大山部18の稜線18bを形成する毛束の毛先が前歯22の平滑部22bの広い領域に亘って当接することになるので、前歯22の歯間部22aと平滑部22bとを、同時に広い範囲に亘って効率良くブラッシングすることが可能になる。 Therefore, the efficiency can better brushing between the teeth by small ridges 17, as shown in FIG. 4, while the bristles of the brush tip portion 16 against the tooth surface, scrubbing method or Bass method giving small fine vibrations by in performing brushing front teeth 22, by inserting the top portion 17a of the small ridges 17 between teeth 22a of the front teeth 22, the root portion 19 between the small ridges 17 and Oyama portion 18, the smooth portion of the front teeth 22 together are arranged close to the corner portion of the 22b, since the bristles of the tufts forming the ridge 18b of Oyama portion 18 makes contact over a wide area of ​​the smooth portion 22b of the front teeth 22, the front teeth 22 and a gullet 22a and the smoothing portion 22b, it is possible to brushing efficiently over a wide range at the same time.

また、本実施形態によれば、毛束15a,15bの先端を結んだ稜線sが、大山部18の後方に小山部17と略対称形状の後方小山部21を含んだ形状となっているので、前歯22に対する歯ブラシ本体のブラッシング角度を換えて、後方小山部21の頂部21aを歯間に挿入可能とし、さらに、後方小山部21を前歯22の歯間部22aに挿入すれば、後方小山部21と大山部18との間の谷底部20が、前歯22の平滑部22bの角部分に近接して配置されると共に、大山部18の稜線18bを形成する毛束の毛先が前歯22の平滑部22bの広い領域に亘って当接することになるので、上述と同様に、前歯22の歯間部22aと平滑部22bとを、同時に広い範囲に亘って効率良くブラッシングすることが可能になる。 Further, according to this embodiment, the hair bundle 15a, the ridge line s connecting the tip of 15b is, since a inclusive shape small ridges 17 and substantially symmetrical shape of the rear small ridges 21 on the rear of the Oyama 18 , instead brushing angle of the toothbrush body for front teeth 22, the top portion 21a of the rear small ridges 21 can be inserted between the teeth, further, by inserting the rear small ridges 21 on the interdental portion 22a of the front teeth 22, the rear small ridges 21 and valley bottom 20 between the Oyama portion 18, while being disposed close to the corner portion of the smooth portion 22b of the front teeth 22, bristle tips of tufts forming the ridge 18b of Oyama portion 18 of the front teeth 22 it means that contact over a wide area of ​​smooth section 22b, similarly to the above, the interdental portion 22a and the smoothing portion 22b of the front teeth 22, it is possible to brushing efficiently over a wide range at the same time .

さらに、本実施形態によれば、小山部17の稜線17bと大山部18の稜線18bとが湾曲凸面となっているので、小山部17を構成する毛束の先端は歯間部22aにおける歯面に当接しやすくなり、大山部18の稜線18bを構成する毛束の先端は、前歯22の平滑部22bに当接する面積を増やすことができる。 Further, according to this embodiment, since the ridge line 18b of the ridgeline 17b Daisen portion 18 of small ridges 17 has a curved convex surface, the tip of the hair bundle constituting the small ridges 17 tooth surface in interdental portions 22a easily in contact with the tip of the hair bundle constituting the ridge 18b of the Oyama unit 18 can increase the contact with the area to the smoothing portion 22b of the front teeth 22.

図5(a),(b)は、本発明の好ましい他の実施形態に係る歯ブラシ30を示すものである。 Figure 5 (a), (b) shows a toothbrush 30 according to another preferred embodiment of the present invention. 図5(a),(b)に示す歯ブラシ30では、植毛台11の巾方向Yの長さが、後端側から先端に向けて徐々に小さくなった先細形状に形成され、植毛穴13a、13bの数が歯ブラシ10よりも少ない。 FIG. 5 (a), the the toothbrush 30 (b), the length of the width direction Y of the flocked base 11 is formed in a tapered shape that gradually decreases toward the distal end from the rear end side, planting pores 13a, the number of 13b is less than the toothbrush 10. また、歯ブラシ30は、ひし形毛束15aが植設される第1植毛穴13a、及び円形毛束15bが植設され第2植毛穴13bは、1.7〜2.5mmの同じ内径で形成されている。 Furthermore, the toothbrush 30 is first planted pores 13a, and circular tufts 15b is implanted second planting pores 13b which diamonds tufts 15a is implanted is formed in the same inner diameter of the 1.7~2.5mm ing. そして、植毛台11の長手方向Xの先端部分の3箇所の第1植毛穴13aには、ひし形毛束15aが植設されている。 Then, the first planting pores 13a of three of the tip portion in the longitudinal direction X of the bristle base 11, a diamond tufts 15a are implanted. これらのひし形毛束15aの後方の、3列合計15箇所の第1植毛穴13aや第2植毛穴13bには、中央列の先端側から1番目、3番目、及び4番目の第1植毛穴13aにひし形毛束15aが植設されており、その他の12箇所の第2植毛穴13bに円形毛束15bが植設されている。 The rear of these diamonds tufts 15a, the first planting pores 13a and second planting pores 13b of three columns a total of 15 points is first from the front end side of the middle row, third, and fourth first planting pores 13a and diamonds tufts 15a is embedded in a circular tuft 15b are implanted in the second planting pores 13b other 12 places.

さらに、図5(a),(b)に示す歯ブラシ30では、毛束15a,15bの先端(短手方向Yにおいて植毛台11から最も高い毛束の先端)を結んだ稜線sが、植毛台11の先端部分に配置される小山部17と、小山部17の後方に連続する稜線18bを構成する大山部18とを含んだ形状を備えている。 Furthermore, the toothbrush 30 shown in FIG. 5 (a), (b), tufts 15a, 15b of the front edge s of connecting (short-side direction Y most tip of the high tufts of bristles stand 11 in) is flocked base a small ridges 17 disposed at the distal end portion 11, and a inclusive shape Daisen portion 18 constituting the ridge 18b that is continuous with the rear of the small ridges 17. そして、大山部18の稜線18bは、小山部17よりも谷底部19から頂部18aまでの傾きが小さく形成されている。 The ridge line 18b of the Oyama unit 18, the inclination of the trough bottom 19 than the small ridges 17 to the top portion 18a is formed smaller. さらに、小山部17の頂部17aは大山部18の頂部18aよりも高くなっており、小山部17の頂部17aと大山部18の頂部18aとを結んだ線分Lの長さが4.3〜9.2mm、谷底部19から線分Lに降ろした垂線Dの長さが0.8〜1.6mmとなっている。 Further, the top 17a of the mound part 17 is higher than the top portion 18a of the Oyama portion 18, the length of the line segment L that connects a top 18a of the top portion 17a and the Oyama portion 18 of small ridges 17 4.3~ 9.2 mm, length of a perpendicular D dropping off from the valley portion 19 to the line segment L has become 0.8~1.6Mm. このような構成を有することにより、図5(a),(b)に示す歯ブラシ30は、上記実施形態の歯ブラシ10と同様の作用効果を奏することになる。 By having such a configuration, the toothbrush 30 shown in FIG. 5 (a), (b) would achieve the same effects as toothbrush 10 of the above embodiment.

なお、本発明は、上記各実施形態に限定されることなく種々の変更が可能である。 The present invention can be variously modified without being limited to the above embodiments. 例えば、小山部や大山部の稜線は湾曲形状となっている必要は必ずしもなく、直線状の山型となっていても、頂点を挟んで一方側のみ直線状となっていても良い。 For example, small ridges or ridge of Oyama portion need not necessarily have a curved shape, even though a linear chevron, may become a across the apex one side only linearly. また、大山部の後方に先端側の小山部と概ね対称形状の後方小山部が設けられている必要は必ずしも無く、後方小山部は、省略されていても、小山部と非対称の形状であっても良い。 Moreover, the need to rear small ridges of substantially symmetrical shape as the rear on the distal end side of the small ridges Oyama portion is provided not necessarily, the rear small ridges can be omitted, in the form of a mound portion and asymmetric it may be. さらに、ブラシ部を構成する複数の毛束にひし形毛束が含まれている必要は必ずしもない。 Furthermore, it is not always necessary to contain the diamonds tufts to multiple tufts that constitutes the brush portion.

以下、実施例及び比較例により、本発明の歯ブラシをさらに詳細に説明するが、本発明はこれらに限定されるものではない。 Hereinafter, examples and comparative examples, but illustrating the toothbrush of the present invention in more detail, the present invention is not limited thereto.

〔実施例1,2〕 [Examples 1 and 2]
上記実施形態の歯ブラシ10と同様の構成を有する歯ブラシを実施例1の歯ブラシとした。 The toothbrush has the same configuration as the toothbrush 10 of the above embodiment was toothbrush of Example 1. 上記他の実施形態の歯ブラシ30と同様の構成を有する歯ブラシを実施例2の歯ブラシとした。 The toothbrush has the same configuration as the toothbrush 30 of the other embodiments the toothbrush of Example 2. 実施例1,2の歯ブラシについて、小山部の頂部と大山部の頂部とを結んだ線分Lを計測すると共に、谷底部から線分Lに降ろした垂線Dの長さを計測した。 The toothbrush of Examples 1 and 2, with measuring the line segment L that connects a top of the top and Oyama portion of the small ridges and measuring the length of a perpendicular line D that down to the line segment L from valley portion. また、実施例1の歯ブラシのブラシ部の先端の毛先を、約200gの刷掃圧力で、図6(a)に示すような状態で額模型モデルの前歯の部分に押し当てた際の、歯ブラシの側面視で歯の平滑面への当該平滑面に沿った毛先の接触長さを測定した。 Further, the tip of the bristles of the brush portion of the toothbrush of Example 1, in printing 掃圧 force of about 200 g, when pressed against the portion of the front teeth of the forehead model model in a state shown in FIG. 6 (a), the side view in hair contact length along the smooth surface of the smooth surface of the teeth of a toothbrush were measured. さらに、実施例2の歯ブラシのブラシ部先端の毛先を、約200gの刷掃圧力で、図6(b)に示すような状態で額模型モデルの前歯の部分に押し当てた際の、歯ブラシの側面視で歯の平滑面への当該平滑面に沿った毛先の接触長さを測定した。 Furthermore, the bristles of the brush tip of a toothbrush of Example 2, in printing 掃圧 force of about 200 g, when pressed against the portion of the front teeth of the state amounts models model as shown in FIG. 6 (b), Toothbrush was measured bristles contact length along the smooth surface of the smooth surface of the teeth in a side view of the. 計測した線分L及び垂線Dの長さ、及び測定した接触長さを各々表1に示す。 The measured line L and perpendicular length and D, and are shown in each Table 1 the measured contact length.

〔比較例1〜4〕 Comparative Example 1-4]
図7(a)のようなブラシ部を側面から見た形状を有する市販品Aを比較例1の歯ブラシとした。 7 was toothbrush Comparative Example 1 A commercially available product A having a shape as viewed from the side of a brush part as in (a). 図8(a)のようなブラシ部を側面から見た形状を有する市販品Bを比較例2の歯ブラシとした。 8 was a commercial product B toothbrushes of Comparative Example 2 having a shape viewed from the side brush unit such as (a). 図9(a)のようなブラシ部を側面から見た形状を有する市販品Cを比較例3の歯ブラシとした。 9 was toothbrush Comparative Example 3 A commercially available product C having a shape as viewed from the side of a brush part as in (a). 図10(a)のようなブラシ部を側面から見た形状を有する市販品Dを比較例4の歯ブラシとした。 Figure 10 is a toothbrush Comparative Example 4 A commercially available product D that such a shape viewed from the side brush unit as in (a).

比較例1〜4の各歯ブラシについて、ブラシ部の先端の山部の頂部とこれに後続する山部の頂部とを結んだ線分Lを測定すると共に、これらの山部間の谷底部から線分Lに降ろした垂線Dの長さを測定した。 Each toothbrush of Comparative Examples 1-4, as well as measuring the line segment L that connects a top of the top and crest subsequent thereto the mountain portion of the tip of the brush part, the line from the valley bottom between these crest the length of a perpendicular D that down to a separatory L was measured. 測定結果を表1に示す. The measurement results are shown in Table 1.

比較例1〜4についても、歯ブラシのブラシ部の先端の毛先を、約200gの刷掃圧力で、各々図7(b)、図8(b)、図9(b)、図10(b)に示す状態で額模型モデルの前歯部分に押し当てた際の、歯ブラシの側面視で歯の平滑面への当該平滑面に沿った毛束の接触長さを計測した。 Comparative Examples 1 to 4 also, the bristle tips of the brush tip portion of the toothbrush, in printing 掃圧 force of about 200 g, respectively, of FIG 7 (b), FIG. 8 (b), the FIG. 9 (b), the FIG. 10 (b when pressed against the front teeth part of the forehead model models in the state shown in) were measured contact length of the tufts along the smooth surface of the smooth surface of the teeth in side view of the toothbrush.

比較例1〜4の各歯ブラシについて、上記モデルにおいてブラシ部先端の毛先が前歯の平滑面に接触した長さの計測結果を表1に示す。 Each toothbrush of Comparative Examples 1-4 are shown in Table 1 the brush tip measurement result bristles of a length in contact with the smooth surface of the front teeth of the above models.

図6(a)、図6(b)、図7(b)、図8(b)、図9(b)、図10(b)に示す、実施例1,2及び比較例1〜4の歯ブラシの、ブラシ部の前歯の平滑面への接触状況、及び表1に示す接触長さの計測結果によれば、本発明にかかる実施例1,2の歯ブラシは、歯面の歯間部から平滑部に亘って前歯の平滑部との間に大きな空隙を生じることなく、比較例1〜4の歯ブラシと比較して、前歯の歯面の平滑部と相当の大きさの接触領域を保持できることが判明した。 FIG. 6 (a), the FIG. 6 (b), the FIG. 7 (b), the FIG. 8 (b), the shown in FIG. 9 (b), FIG. 10 (b), the of Examples 1 and 2 and Comparative Examples 1 to 4 toothbrushes, contact status to the smooth surface of the front tooth of the brush unit, and according to the length of contact measurement results shown in Table 1, the toothbrush of examples 1 and 2 according to the present invention, the interdental portion of the teeth surface without causing a significant gap between the smooth portion of the anterior teeth across the smoothing part, compared to the toothbrush of Comparative examples 1-4, it can hold the size of the contact area of ​​the corresponding smooth portion of the tooth surface of the front tooth There was found.

〔比較例5、実施例3〕 Comparative Example 5, Example 3]
比較例5の歯ブラシを図11に、実施例3の歯ブラシを図12に示す。 Figure 11 a toothbrush in Comparative Example 5, showing a toothbrush of the third embodiment in FIG. 12. 比較例5、実施例3の歯ブラシは、図11(a)、図12(a)に示すように、実施例1と同じように植毛台11に植毛穴13a、13bが開口形成されている。 Comparative Example 5, the toothbrush of the third embodiment, FIG. 11 (a), the 12 (a), the flocking holes 13a in flocking stage 11 in the same manner as in Example 1, 13b is opened and formed. 比較例5の歯ブラシは、実施例1と同じように第1植毛穴13aにはひし形毛束15aが植設され、第2植毛穴13bには円形毛束15bが植設されているが、図11(b)に示すように、ブラシ部を側面からみた形状は、毛束15a、15bの植毛台からの高さが概ね均一で平切り形状である。 Toothbrush of Comparative Example 5, the first planting pores 13a in the same manner as in Example 1 is implanted diamonds tufts 15a, the second planting pores 13b is circular tufts 15b are implanted, Fig. as shown in 11 (b), the shape viewed brush portion from the side surface is a flat cutting shape tuft 15a, generally uniform height from 15b flocked stand. 実施例3の歯ブラシは、図12(b)に示すように、ブラシ部側面からみた形状は実施例1の歯ブラシと同じであるが、図12(a)に示すように、植毛穴13aと植毛穴13bのいずれにもひし形毛束15aが植設されている。 Toothbrush of Example 3, as shown in FIG. 12 (b), the shape viewed from the brush section side is the same as the toothbrush of Example 1, as shown in FIG. 12 (a), planting pores 13a and planting diamonds tufts 15a are implanted into any pores 13b. 尚、比較例5、実施例3の植毛穴13aの径は1.8mm、植毛穴13bの径は1.6mmで形成されている。 In Comparative Example 5, the diameter of the bristle hole 13a of Example 3 1.8 mm, the diameter of the planting pores 13b are formed in 1.6 mm.
また、以下の歯垢又は汚れ除去の評価、使用感の評価において、実施例1の歯ブラシは、植毛穴13aの径を1.8mm、植毛穴13bの径を1.6mmのものを用いた。 Further, the following evaluation of plaque or stain removal, in the evaluation of feeling, toothbrushes Example 1, 1.8 mm diameter of the planting pores 13a, the diameter of the planting pores 13b was used for 1.6 mm.
そして、実施例1、実施例3、比較例5の歯ブラシの最も外周側にある植毛穴の外縁を結んだ植毛総面積は、137.4mm 2であって、植毛穴の面積の総和は45.9mm 2であった。 Then, Example 1, Example 3, flocking total area connecting the outer edge of the bristle hole most to the outer peripheral side of the toothbrush of Comparative Example 5 is a 137.4Mm 2, the total area of the planting pores 45. It was a 9mm 2.

実施例1、3及び比較例5の歯ブラシを用いて、歯垢又は汚れ除去効果を評価するために、以下の評価モデルにより評価した。 Using toothbrush of Examples 1, 3 and Comparative Example 5, in order to evaluate the plaque or stain removing effect was evaluated by the following evaluation model. 歯垢または汚れ除去の評価モデルを以下に示す。 The evaluation model of plaque or stain removal is shown below.
(方法) (Method)
(1)図13(a)に示すように、角部にR(曲率半径)が2.5mmの曲面を備える角型のアルミブロックの曲面同士を向き合わせて並置した歯モデルを作成する。 (1) As shown in FIG. 13 (a), creating a dental model R (curvature radius) at the corner portion is juxtaposed opposed curved ends of prismatic aluminum block with a 2.5mm curved surface.
(2)(1)の歯モデルの歯面の歯垢又は着色汚れモデルとして、ビデオテープ(西友プライベートブランドの「S'RIBBON」スタンダードタイプ(120分、型番3T120SR))を取り付け、これをビデオテープ磁性層とする。 (2) as a plaque or stain model tooth surface of the tooth model (1), ( "S'RIBBON" standard type Seiyu private brand (120 minutes, model number 3T120SR)) video tape attached to, it videotape and the magnetic layer.
(3)作成した着色汚れモデルを取り付けた歯モデル(アルミブロック)を試験台に装着し、ブラッシングマシーンを用い、各歯ブラシによる刷掃を行う(図13(a))。 (3) teeth model fitted with stain model created mounted on a test stand (the aluminum block), using a brushing machine, performs brushing by each toothbrush (Fig 13 (a)).
(4)刷掃条件は、荷重300g、振幅30mm、速度120rpm、刷掃回数120(往復)として、歯磨剤0.5g(クリアクリーンプラスホワイトニング(花王製))を使用した。 (4) brushing conditions, load 300 g, amplitude 30 mm, as the speed 120 rpm, printing 掃回 number 120 (roundtrip) was used dentifrice 0.5 g (Clear Clean Plus Whitening (Kao)).
(5)歯モデルの評価領域は、図13(b)に示すように、歯間部(アルミブロックのRが形成された領域)を除く歯間部を挟んだ両側の平滑面の領域とし、この評価領域においてビデオテープ磁性層の磁性層が剥がれてテープのベースが露出した(白くなった)部分の面積(mm 2 )を画像解析により算出し、汚れ除去面積とした。 (5) evaluation region of a tooth model, as shown in FIG. 13 (b), the area of ​​the smooth surface of both sides of the interdental portion except the gullet (region R is formed of aluminum block), in this evaluation area magnetic layer of a video tape magnetic layer is exposed based tape peeling (becomes white) area of a portion (mm 2) was calculated by image analysis, and the soil removal area.

(結果) (result)
実施例1、3、比較例5の歯ブラシについて行った汚れ除去効果の評価結果を表2に示す。 Example 1 and 3, evaluation of soil removal effect performed on toothbrush Comparative Example 5 The results shown in Table 2. 表2には、各歯ブラシの評価モデルによる刷掃後の磁性層の写真と、汚れ除去面積、及び比較例5の歯ブラシによる汚れ除去面積を100%としたときの、実施例1、3の歯ブラシによる汚れ除去面積の相対評価を示した。 Table 2 of the photo-magnetic layer of the printing 掃後 by the evaluation model of each toothbrush, soil removal area, and when the soil removal area by the toothbrush of Comparative Example 5 is 100%, the toothbrush of Example 1 and 3 It shows the relative evaluation of soil removal area by. さらに、表2には、女性3名の被験者による使用感も併せて示した。 In addition, Table 2 also shows the feeling of use by the subject of the three women.

表2から明らかなように、比較例5の平切りの歯ブラシでは、歯間に歯ブラシが届き難いだけでなく、汚れ除去面積も小さく、同じ高さの毛束が全体として歯面、特に平滑部に突っ張るため、使用感はやや硬い磨き心地という評価であった。 As is evident from Table 2, the toothbrush flat cutting of Comparative Example 5, not only the toothbrush hardly reach between the teeth, soil removal area is small, the tooth surface as a whole tufts of the same height, especially smooth portion since the thrusting, the feeling was rated as slightly hard Shine comfort.
実施例1、3のように本願発明の毛束先端の稜線形状を備える歯ブラシでは、比較例5のような毛束の高さが概ね均一な平切り形状に比べて、実施例1は約2.4倍、実施例3は約1.8倍の高い汚れ除去面積の結果が得られた。 The toothbrush comprises a ridge-shaped tufts tip of the present invention as in Examples 1 and 3, as compared to the generally uniform planar cutting shape height tufts as in Comparative Example 5, Examples 1 to about 2 .4 times, example 3 as a result of high soil removal area of ​​about 1.8 times was obtained. 一方、実施例3のように、毛束の全てがひし形毛束である歯ブラシでは、汚れ除去面積は大きいが、実施例1に比べて剛性感があり、使用感では毛先が硬く感じられる評価であった。 On the other hand, as in Example 3, the toothbrush all tufts is rhombic tufts, but soil removal area is large, there is a feeling of rigidity as compared with Example 1, the hair is felt hard in feeling evaluation Met. 従って、実施例1は、実施例3よりもさらに歯垢又は汚れ除去の効果が高く、使用感においても高い評価を得た。 Accordingly, Example 1, Example 3 Further highly effective plaque or stain removal than to obtain a high reputation in the feeling of use.

本発明の好ましい一実施形態に係る歯ブラシの要部の構成を説明する、(a)は平面図、(b)は側面図である。 Illustrating the configuration of a main part of the toothbrush according to a preferred embodiment of the present invention, (a) is a plan view, (b) is a side view. 本発明の好ましい一実施形態に係る歯ブラシのブラシ部の先端部分の拡大側面図である。 It is an enlarged side view of a distal portion of the brush portion of the toothbrush according to a preferred embodiment of the present invention. (a)はひし形断面ブリッスルの説明図、(b)は円形断面ブリッスルの説明図である。 (A) is an explanatory view of a diamond-shaped cross-section bristles, (b) is an explanatory view of a circular cross-section bristles. 本発明の好ましい一実施形態に係る歯ブラシを用いて前歯をブラッシングする状況の説明図である。 It is an explanatory view of a situation for brushing the front teeth with a toothbrush according to a preferred embodiment of the present invention. 本発明の好ましい他の実施形態に係る歯ブラシの要部の構成を説明する、(a)は平面図、(b)は側面図である。 Illustrating the configuration of a main part of the toothbrush according to another preferred embodiment of the present invention, (a) is a plan view, (b) is a side view. (a)は実施例1の歯ブラシを用いて前歯をブラッシングする状況の説明図、(b)は実施例2の歯ブラシを用いて前歯をブラッシングする状況の説明図である。 (A) is an explanatory view of a situation for brushing the front teeth with a toothbrush of Example 1 is an explanatory view of a situation for brushing the front teeth with (b) the second embodiment toothbrush. (a)は比較例1の歯ブラシのブラシ部の側面図、(b)は比較例1の歯ブラシを用いて前歯をブラッシングする状況の説明図である。 (A) is a side view of the brush portion of the toothbrush of Comparative Example 1, (b) is an explanatory view of a situation for brushing the front teeth with a toothbrush of Comparative Example 1. (a)は比較例2の歯ブラシのブラシ部の側面図、(b)は比較例2の歯ブラシを用いて前歯をブラッシングする状況の説明図である。 (A) is a side view of the brush portion of the toothbrush of Comparative Example 2, (b) is an explanatory view of a situation for brushing the front teeth with a toothbrush in Comparative Example 2. (a)は比較例3の歯ブラシのブラシ部の側面図、(b)は比較例3の歯ブラシを用いて前歯をブラッシングする状況の説明図である。 (A) is a side view of the brush portion of the toothbrush of Comparative Example 3, (b) is an explanatory view of a situation for brushing the front teeth with a toothbrush of Comparative Example 3. (a)は比較例4の歯ブラシのブラシ部の側面図、(b)は比較例4の歯ブラシを用いて前歯をブラッシングする状況の説明図である。 (A) is a side view of the brush portion of the toothbrush of Comparative Example 4, (b) is an explanatory view of a situation for brushing the front teeth with a toothbrush in Comparative Example 4. (a)は比較例5の歯ブラシのブラシ部の平面図、(b)は側面図である。 (A) is a plan view of the brush portion of the toothbrush of Comparative Example 5, (b) is a side view. (a)は実施例3の歯ブラシのブラシ部の平面図、(b)は側面図である。 (A) is a plan view of the brush portion of the toothbrush of Example 3, (b) is a side view. (a)は着色汚れモデルを取り付けた歯モデルの説明図、(b)は歯モデルの評価領域の説明図である。 (A) is an explanatory view of a tooth model fitted with a stain model, (b) is an explanatory view of the evaluation region of the tooth model.

符号の説明 DESCRIPTION OF SYMBOLS

10,30 歯ブラシ11 植毛台12 首部13a 第1植毛穴13b 第2植毛穴14a ひし形断面ブリッスル14b 円形断面ブリッスル15a ひし形毛束15b 円形毛束16 ブラシ部17 小山部17a 小山部の頂部17b 小山部の稜線18 大山部18a 大山部の頂部18b 大山部の稜線19,20 谷底部21 後方小山部21a 後方小山部の頂部21b 後方小山部の稜線22 前歯22a 前歯の歯面の歯間部22b 前歯の歯面の平滑部s 毛束の先端を結んだ稜線X ブラシ部の長手方向Y ブラシ部の巾方向L 小山部の頂部と大山部の頂部とを結んだ線分L1 小山部のブラシ部長手方向の長さL2 大山部のブラシ部長手方向の長さD 谷底部から線分Lに降ろした垂線の長さ 10, 30 Toothbrush 11 bristles stand 12 neck 13a first planted pores 13b second planting pores 14a rhombic cross bristles 14b circular cross bristles 15a rhombic tufts 15b circular tufts 16 brush part 17 small ridges 17a Koyama portion top 17b small ridges of ridge 18 Oyama portion 18a Oyama portion teeth interdental portion 22b front teeth of the tooth surface of the top portion 18b Oyama portion ridgeline 19 valley portion 21 rearward Koyama portion 21a rearward Koyama portion ridgeline 22 anterior teeth 22a anterior apex 21b behind small ridges of the ridge X brush portion connecting the distal end of smooth portion s tufts surface longitudinal Y brush portion of a width direction L small ridges top and Oyama unit segment L1 Koyama portion of connecting the top of the brush the longitudinal direction of the length of the perpendicular dropped to the line segment L from the brush the longitudinal direction of the length D valley portion of the length L2 Oyama portion

Claims (6)

  1. 植毛台に植毛された複数の毛束からなるブラシ部を有する歯ブラシであって、 A toothbrush having a brush portion comprising a plurality of tufts has been planted in the planting base,
    該ブラシ部を側面から見たときに、毛束の先端を結んだ稜線が、ブラシ部の長手方向の先端部分に配置される小山部と、谷底部を挟んで前記小山部の後方に連続し前記小山部よりもブラシ部の長手方向長さの長い大山部とを含む形状を備え、 When viewed the brush portion from the side edge line connecting the leading end of the hair bundle, and the small ridges are disposed longitudinally of the distal end portion of the brush portion, across the valley portion continuous to the rear of the small ridges wherein comprises a shape including a long Oyama portion of the longitudinal length of the brush portion than small ridges,
    前記大山部は、前記小山部との間の谷底部から頂部まで植毛台からの高さが徐々に高く形成され、 The Oyama portion has a height from the bristle base from the valley bottom to top between the small ridges is gradually formed high,
    前記小山部の頂部の植毛台からの高さが、前記大山部の頂部の植毛台からの高さよりも高く、 Height from bristle base of the top of the small ridges is higher than the height from the bristle base of the top of the Oyama unit,
    前記小山部の頂部と前記大山部の頂部とを結んだ線分の長さが4.3〜9.2mmであり、前記谷底部から前記小山部の頂部と前記大山部の頂部とを結んだ線分に降ろした垂線の長さが0.8〜1.6mmである歯ブラシ。 Length of a line connecting the top of the Oyama portion with the top of the small ridges is 4.3~9.2Mm, connecting the top of the Oyama portion with the top of the small ridges from the root portion toothbrush length of perpendicular dropped to the line segment is 0.8~1.6Mm.
  2. 前記小山部と前記大山部は、前記谷底部を挟んだ領域において外側に凸の湾曲した形状を備えている請求項1記載の歯ブラシ。 Wherein Oyama portion and the small ridges, said valley bottom Claim 1 toothbrush according to has a convex curved shape of the outer in the region across the.
  3. 前記毛束の先端を結んだ稜線が、前記大山部の後方に谷底部を挟んで連続し、前記小山部と略対称形状の後方小山部を含んだ形状を備える請求項1又は2に記載の歯ブラシ。 The ridge line connecting the tip of the hair bundle, continuous across the valley portion behind the Oyama unit, according to claim 1 or 2 comprising the small ridges and shape including the rear small ridges of substantially symmetrical toothbrush.
  4. 前記小山部の頂部の植毛台からの高さが、前記大山部の頂部の植毛台からの高さよりも0.2〜2.0mm高い請求項1〜3のいずれかに記載の歯ブラシ。 The height from the bristle base of the top of the small ridges is, toothbrush according to any one of 0.2~2.0mm higher claims 1-3 than the height from the bristle base of the top of the Oyama unit.
  5. 前記小山部の前記ブラシ部の長手方向長さが、4.3〜4.7mmである請求項1〜4のいずれかに記載の歯ブラシ。 The longitudinal length of the brush portion of the small ridges is, toothbrush according to a is any of claims 1~4 4.3~4.7mm.
  6. 前記複数の毛束が、ひし形断面ブリッスルを束ねたひし形毛束を含む請求項1〜5のいずれかに記載の歯ブラシ。 Wherein the plurality of bristle tufts is, toothbrush according to claim 1 comprising a rhombus hair bundle obtained by bundling a rhombic cross-section bristles.
JP2008129474A 2008-05-16 2008-05-16 toothbrush Active JP5160955B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008129474A JP5160955B2 (en) 2008-05-16 2008-05-16 toothbrush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008129474A JP5160955B2 (en) 2008-05-16 2008-05-16 toothbrush

Publications (2)

Publication Number Publication Date
JP2009273760A true true JP2009273760A (en) 2009-11-26
JP5160955B2 JP5160955B2 (en) 2013-03-13

Family

ID=41439721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008129474A Active JP5160955B2 (en) 2008-05-16 2008-05-16 toothbrush

Country Status (1)

Country Link
JP (1) JP5160955B2 (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011084116A1 (en) * 2009-12-18 2011-07-14 Colgate-Palmolive Company Toothbrush having a closed-loop arrangement of cleaning elements
WO2012057157A1 (en) * 2010-10-29 2012-05-03 ライオン株式会社 Toothbrush
USD669689S1 (en) 2009-12-18 2012-10-30 Colgate-Palmolive Company Toothbrush handle with tissue cleaner
USD669688S1 (en) 2009-12-18 2012-10-30 Colgate-Palmolive Company Head portion of a toothbrush
USD671326S1 (en) 2009-12-18 2012-11-27 Colgate-Palmolive Company Toothbrush handle
USD675830S1 (en) 2009-12-18 2013-02-12 Colgate-Palmolive Company Toothbrush
US8863345B2 (en) 2009-12-18 2014-10-21 Colgate-Palmolive Company Oral care implement having a closed-loop arrangement of cleaning elements
USD753922S1 (en) 2013-12-16 2016-04-19 Colgate-Palmolive Company Toothbrush
USD760499S1 (en) 2013-12-16 2016-07-05 Colgate-Palmolive Company Toothbrush
USD764175S1 (en) 2013-12-16 2016-08-23 Colgate-Palmolive Company Toothbrush
USD764805S1 (en) 2013-12-16 2016-08-30 Colgate-Palmolive Company Toothbrush
USD765986S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD765983S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD765984S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD765985S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3107546U (en) * 2004-09-02 2005-02-03 有限会社プラスペリティ toothbrush
JP2008515569A (en) * 2004-10-20 2008-05-15 ザ プロクター アンド ギャンブル カンパニー toothbrush

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3107546U (en) * 2004-09-02 2005-02-03 有限会社プラスペリティ toothbrush
JP2008515569A (en) * 2004-10-20 2008-05-15 ザ プロクター アンド ギャンブル カンパニー toothbrush

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8863345B2 (en) 2009-12-18 2014-10-21 Colgate-Palmolive Company Oral care implement having a closed-loop arrangement of cleaning elements
WO2011084116A1 (en) * 2009-12-18 2011-07-14 Colgate-Palmolive Company Toothbrush having a closed-loop arrangement of cleaning elements
USD669689S1 (en) 2009-12-18 2012-10-30 Colgate-Palmolive Company Toothbrush handle with tissue cleaner
USD669688S1 (en) 2009-12-18 2012-10-30 Colgate-Palmolive Company Head portion of a toothbrush
USD670503S1 (en) 2009-12-18 2012-11-13 Colgate-Palmolive Company Head portion of a toothbrush
USD670505S1 (en) 2009-12-18 2012-11-13 Colgate-Palmolive Company Toothbrush handle with tissue cleaner
USD671326S1 (en) 2009-12-18 2012-11-27 Colgate-Palmolive Company Toothbrush handle
USD675830S1 (en) 2009-12-18 2013-02-12 Colgate-Palmolive Company Toothbrush
USD821755S1 (en) 2009-12-18 2018-07-03 Colgate-Palmolive Company Toothbrush
CN103179876A (en) * 2010-10-29 2013-06-26 狮王株式会社 toothbrush
WO2012057157A1 (en) * 2010-10-29 2012-05-03 ライオン株式会社 Toothbrush
JP5909192B2 (en) * 2010-10-29 2016-04-26 ライオン株式会社 toothbrush
USD760499S1 (en) 2013-12-16 2016-07-05 Colgate-Palmolive Company Toothbrush
USD764175S1 (en) 2013-12-16 2016-08-23 Colgate-Palmolive Company Toothbrush
USD764805S1 (en) 2013-12-16 2016-08-30 Colgate-Palmolive Company Toothbrush
USD765986S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD765983S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD765984S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD765985S1 (en) 2013-12-16 2016-09-13 Colgate-Palmolive Company Toothbrush
USD753922S1 (en) 2013-12-16 2016-04-19 Colgate-Palmolive Company Toothbrush

Also Published As

Publication number Publication date Type
JP5160955B2 (en) 2013-03-13 grant

Similar Documents

Publication Publication Date Title
US5802656A (en) Toothbrush with flexibly mounted bristles
US5742972A (en) Toothbrush
US4150457A (en) Toothbrush
US5799353A (en) Toothbrush
US20010042280A1 (en) Toothbrush having an efficacious bristle pattern
US5392483A (en) Multi-level bristle tuft toothbrush
US6496999B1 (en) Toothbrush with bristle configuration adapted for cleaning tooth surfaces and interproximal areas
US6108851A (en) Toothbrush
US3742549A (en) Contoured toothbrush
US5991959A (en) Toothbrush with flexibly mounted bristles
US5926897A (en) Toothbrush having bristles for interproximal cleaning
US6564416B1 (en) Toothbrush
US20040255416A1 (en) Toothbrush with tongue cleaning member
US5446940A (en) Toothbrush
US20020004964A1 (en) Toothbrush with individually embedded bristles
US20100306941A1 (en) Toothbrush
US5046213A (en) Plaque removing toothbrush
US5335389A (en) Plaque removing toothbrush
EP0475314A1 (en) Periodontal device
WO1994009678A1 (en) Toothbrush
JP2008154808A (en) Toothbrush
US20030221272A1 (en) Toothbrush
JP2000000118A (en) Tooth brush
JP2002325632A (en) Toothbrush
JPH1175939A (en) Toothbrush

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110302

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121211

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20121213

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20151221

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250