WO2016199853A1 - Brosse à dents - Google Patents

Brosse à dents Download PDF

Info

Publication number
WO2016199853A1
WO2016199853A1 PCT/JP2016/067219 JP2016067219W WO2016199853A1 WO 2016199853 A1 WO2016199853 A1 WO 2016199853A1 JP 2016067219 W JP2016067219 W JP 2016067219W WO 2016199853 A1 WO2016199853 A1 WO 2016199853A1
Authority
WO
WIPO (PCT)
Prior art keywords
hair
bundle
hair bundle
bristle
toothbrush
Prior art date
Application number
PCT/JP2016/067219
Other languages
English (en)
Japanese (ja)
Inventor
徹弥 阿部
Original Assignee
ライオン株式会社
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
Application filed by ライオン株式会社 filed Critical ライオン株式会社
Priority to CN201680033780.7A priority Critical patent/CN107635432B/zh
Priority to JP2017523695A priority patent/JP6868557B2/ja
Priority to KR1020177023207A priority patent/KR102654074B1/ko
Priority to MYPI2017704641A priority patent/MY189015A/en
Publication of WO2016199853A1 publication Critical patent/WO2016199853A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • the present invention relates to a toothbrush.
  • This application claims priority on June 12, 2015 based on Japanese Patent Application No. 2015-119231 for which it applied to Japan, and uses the content here.
  • Patent Document 1 a toothbrush provided with a one-tuft hair bundle on the tip side of the flocked portion and a general assembly of a plurality of hair bundles on the rear side is also disclosed (Patent Document 2).
  • the brush portion is composed of only one bristle bundle, so that the “pressure on the gums” of the bristle bundle is inevitably applied locally as compared with a general toothbrush.
  • those suffering from periodontal disease tend to prefer a toothbrush that is as comfortable as possible so as not to irritate the gums as much as possible in order to avoid pain and bleeding during cleaning.
  • the one-tuft toothbrush is less likely to interfere with the oral cavity due to its compact head part, so it is hard to perceive where the brush (hair bundle) hits the head part during operation as compared to a general toothbrush. For this reason, it is very difficult to accurately apply the “pointed brush” to the cleaning site without worrying about the pain of the gums.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a toothbrush that can accurately clean the space between the teeth without worrying about the pain of the gums during operation.
  • the toothbrush in one mode of the present invention has a head portion in which a plurality of hair bundles are implanted on the flocked surface, and a handle body extending from the head portion, and the first follicle bundle is provided on the flocked surface.
  • a plurality of second hair bundles arranged around the first hair bundle and having a diameter larger than that of the first hair bundle, and having a circular shape in a plan view,
  • the tip is projected from the tip of the plurality of second hair bundles.
  • the plan view circular shape means a substantially perfect circle that does not include an elliptical shape, and includes a shape that is not a perfect perfect circle due to the influence of processing accuracy.
  • the plurality of second hair bundles are arranged concentrically around the first hair bundle, and the plurality of second hairs with respect to a normal direction of the flocked surface.
  • the bundle may be inclined toward the first hair bundle.
  • the toothbrush according to an aspect of the present invention may have a configuration in which an inclination angle of the second hair bundle with respect to a normal line direction of the flocked surface is set to 10 degrees or less.
  • the toothbrush according to an aspect of the present invention may be configured such that the second hair bundle has a hair length gradually increasing from the outside of the head portion toward the first hair bundle.
  • the first hair bundle is implanted by driving a flat wire sandwiched between two folded hair bundles into a first flock hole provided in the flocked surface
  • the second hair bundle is planted by driving a flat line sandwiched between two folded hair bundles into a second flock hole provided in the flocked surface, and the first hair bundle and the second hair bundle.
  • the toothbrush according to an aspect of the present invention may have a configuration in which the diameter of the second flocking hole is 2 mm or more and 3.5 mm or less.
  • a distance between hole edges of flocked holes that are closest to each other is set to 0.4 mm or more and 0.7 mm or less. It is good also as a structure.
  • the toothbrush according to an aspect of the present invention may have a configuration in which a difference in bristle length between the first half bristle bundle and the second half bristle bundle is in a range of 1 mm to 3 mm.
  • the toothbrush according to one aspect of the present invention may have a configuration in which the second hair bundle is provided in the range of 5 to 8 inclusive.
  • the toothbrush according to an aspect of the present invention may be configured such that the first hair bundle is composed of ST bristle.
  • the ST hair is super tapered hair, and is a hair having a tapered tip.
  • the toothbrush according to one aspect of the present invention may be configured such that the head length of the head portion and the head width dimension in the direction intersecting the head length are both 9 mm or more and 16 mm or less.
  • the head length of the head portion is a length along the extending direction of the handle body
  • the head width is a length in a direction intersecting the extending direction of the handle body.
  • the rear view of the toothbrush shown in FIG. The figure which looked at the toothbrush shown in FIG. 2 in B.
  • region A among the toothbrushes shown in FIG. FIG. 5 is a cross-sectional view taken along the line A-A ′ of FIG. 4.
  • FIG. 1 is a plan view of a toothbrush according to a first embodiment of the present invention.
  • FIG. 2 is a rear view of the toothbrush shown in FIG.
  • FIG. 3 is a view of the toothbrush shown in FIG.
  • the X direction shown in FIGS. 1 to 3 indicates the extending direction of the handle portion 17 constituting the handle body 11. 1 and 2 indicate the width direction of the toothbrush 10.
  • the Z direction shown in FIG. 3 indicates the extending direction of the hair bundle 14. 1 to 3, the same components are denoted by the same reference numerals.
  • a one-tuft brush is taken as an example of the toothbrush 10 according to the present invention, and the following description will be given.
  • the toothbrush 10 in the present embodiment has a handle body 11 and a hair bundle 14.
  • the head portion 16 is a member having a substantially cylindrical shape in plan view that extends in the Z direction (or a direction slightly inclined with respect to the Z direction).
  • the circular shape in plan view means a substantially perfect circle, and includes a shape that is not a perfect perfect circle due to the influence of processing accuracy.
  • the handle body 11 is a surface on the side from which the hair bundle 14 protrudes, and has a flat surface (planted surface) 16a.
  • the handle portion 17 is a portion that is held by hand when the toothbrush 10 is used, and extends in the X direction.
  • the neck portion 18 is a member that extends in a direction slightly inclined with respect to the X direction, and is configured such that its thickness is thinner than that of the handle portion 17.
  • the neck portion 18 has one end integrated with the head portion 16 and the other end integrated with the handle portion 17. That is, the neck portion 18 connects the head portion 16 and the handle portion 17.
  • FIG. 4 is an enlarged front view of a portion surrounded by the region A in the toothbrush shown in FIG.
  • FIG. 5 is a cross-sectional view taken along line AA ′ of FIG.
  • FIG. 5 corresponds to an enlarged view of the portion of the toothbrush shown in FIG. 4 and 5, the same components as those shown in FIGS. 1 to 3 are denoted by the same reference numerals.
  • the head portion 16 is provided with a plurality of flocking holes 19 for flocking hair bundles in a flocking region provided on the one surface 16a side.
  • the plurality of flocking holes 19 includes a first flocking hole 19A located in the center of the head portion 16, and a plurality of second flocking holes 19B arranged concentrically so as to surround the first flocking hole 19A.
  • six second flocking holes 19B are provided around the central first flocking hole 19A.
  • the first flocking hole 19A has a diameter ⁇ 1 of 1.4 mm
  • the second flocking hole 19B has a diameter ⁇ 2 of 2.2 mm
  • the surrounding second flocking hole 19B is larger than the central first flocking hole 19A.
  • the diameter ⁇ 1 of the first flocking hole 19A is not limited to the above-described 1.4 mm, and can be set as appropriate within a range of 1 to 2 mm.
  • the diameter ⁇ 2 of the second flocking hole 19B is not limited to 2.2 mm and can be set as appropriate within a range of 2 to 3.5 mm.
  • the difference between the diameter ⁇ 1 of the first flocking hole 19A and the diameter ⁇ 2 of the second flocking hole 19B is preferably 0.3 mm or more, and more preferably 0.5 mm or more and 1.5 mm or less.
  • the depth d of each flocked hole 19 in the Z direction with respect to the one surface 16a can be set as appropriate within a range of, for example, 3.0 to 6.0 mm.
  • the handle body 11 having the above configuration is manufactured by integral molding.
  • the material of the handle body 11 can be determined in consideration of the rigidity and mechanical characteristics required for the handle body 11, for example, a hard material whose bending elastic modulus (JIS K7203) is in the range of 500 to 3000 MPa. Resin can be used.
  • Examples of such a hard resin include polypropylene (PP), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polycyclohexylenedimethylene terephthalate (PCT), polyacetal (POM), polystyrene (PS), acrylonitrile.
  • PP polypropylene
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PCT polycyclohexylenedimethylene terephthalate
  • POM polyacetal
  • PS polystyrene
  • PS acrylonitrile
  • ABS butadiene / styrene resin
  • ABS butadiene / styrene resin
  • CP cellulose propionate
  • AS acrylonitrile / styrene copolymer resin
  • AS acrylonitrile / styrene copolymer resin
  • the hair bundle 14 is a plurality of hairs implanted in each of the center hair bundle (first hair bundle) 14 ⁇ / b> A planted in the first flocked hole 19 ⁇ / b> A and the plurality of second planted holes 19 ⁇ / b> B. 6) outer peripheral hair bundles (second hair bundles) 14B.
  • the outer peripheral hair bundle 14B is a thick hair bundle having a diameter larger than that of the central hair bundle 14A.
  • the number of outer peripheral hair bundles 14B is not limited to six, and may be five or seven or more.
  • the number of outer peripheral hair bundles 14B is also set according to the size of the straight hair surface 16a, and is preferably 5 or more and 8 or less.
  • the central bristle bundle 14A and each outer bristle bundle 14B extend perpendicular to the one surface 16a of the head portion 16.
  • the central hair bundle 14A has an embedded portion 14a and a columnar portion 14b.
  • the outer peripheral hair bundle 14B has the embedding part 14a, the columnar part 14b, and the inclination part 14c.
  • the embedded part 14 a is a part accommodated in the flock hole 19.
  • the outer circumferential hair bundle 14B has a larger diameter than the central hair bundle 14A.
  • the diameter of the central hair bundle 14A is preferably 1 mm or more and 2 mm or less.
  • the diameter of the outer peripheral hair bundle 14B is preferably 2 mm or more and 3.5 mm or less. In the present embodiment, the diameter of each hair bundle corresponds to the diameter of a flock hole to be straightened.
  • the center bristle bundle 14A is longer than the outer bristle bundle group (peripheral bristle bundles 14B, 14B...), And the bristle end surface 1a is substantially parallel to the one surface 16a.
  • bristle bundle end surface 1b inclines with respect to each extension direction and one surface 16a.
  • This “inclination” includes not only a configuration in which the end face 1b of the hair bundle is linear as shown in FIG. 5, but also a curved shape that is recessed and a curved shape that protrudes.
  • the hair bundle end surface 1a of the center hair bundle 14A has a substantially circular shape in plan view
  • the hair bundle end surface 1b of the outer peripheral hair bundle 14B has an elliptical shape in plan view.
  • the bristles constituting the central hair bundle 14A are ST mils (super tapered hairs) having a thickness of 6 mils with a tapered tip.
  • the bristles constituting the outer peripheral hair bundle 14B are 4 mil thick straight hairs having the same diameter up to the tip.
  • the hair length L1 of the center hair bundle 14A is 8 mm.
  • the outer peripheral hair bundle 14B is configured by bundling a plurality of hairs having different hair lengths. Specifically, the hair lengths L2 to L3 of the hairs gradually increase from the outer side of the concentric circle toward the center (central hair bundle 14A), and are composed of hairs in the range of hair lengths from 5 mm to 7 mm. Yes.
  • the entire bristle bundle 14 forms a dome shape with the central bristle bundle 14A protruding.
  • the head portion 16 has a substantially circular shape in plan view, the head width W in the Y direction is 12 mm, and the head length L in the X direction is 15 mm.
  • the head length of the head portion is a length along the extending direction of the handle body, and the head width is a length in a direction intersecting the extending direction of the handle body.
  • the head length of the head portion 16 and the head width dimension in the direction crossing the head length are both 9 mm or more and 16 mm or less.
  • the toothbrush 10 has a bristles 14 in which outer diameter bristles 14B having larger diameters softer than the center bristles 14A are concentrically arranged around the center bristles 14A.
  • the protruding central hair bundle 14A cleans the gum part, and the outer peripheral hair bundle 14B gently wipes the surrounding gums.
  • the “softness” of the outer peripheral hair bundle 14B depends on the diameter, length, material, hair shape, etc. of the hair bundle, and will be described later. Appropriate selection is made so as to ensure an “appropriate bristle waist”.
  • the toothbrush 10 of the present embodiment constitutes a brush (bristle bundle 14) with a plurality of bristle bundles, so that it is difficult to apply pressure locally to the cleaning site. . That is, among the plurality of hair bundles constituting the hair bundle 14, the outer circumferential hair bundle 14B has a larger diameter than the central hair bundle 14A. For this reason, there is no boundary between the hair bundles at the bristle portion of the brush, and there is a bending behavior as “one large hair bundle” with “a plurality of hair bundles” including the central hair bundle 14A located at the center.
  • the protruding central hair bundle 14A plays a role in “cleaning power for a narrow area” necessary for partial polishing. Since the central hair bundle 14A is supported by the plurality of outer peripheral hair bundles 14B, the hair tips do not escape from a narrow area and have “appropriate bristle waist for scraping dirt”.
  • the toothbrush 10 of the present embodiment is advantageous as compared with a normal one-tuft brush.
  • the normal one-tuft brush specification makes it difficult for the head portion 16 to interfere in the oral cavity, and it is difficult to perceive where the brush portion hits during operation. Therefore, it is difficult for the user to accurately apply the “pointed brush portion” to the cleaning site without worrying about pain. In addition, it is difficult to adjust the “adjustment of force” during cleaning.
  • the toothbrush 10 of this embodiment can moderate the anxiety at the time of cleaning as described above because the soft outer bristle bundle 14B appropriately contacts the surroundings (tooth, gingiva) of the place to be polished. . Further, since the outer peripheral hair bundle 14B appropriately contacts the teeth and gums, it serves as a guide for guiding the central hair bundle 14A to the place to be polished.
  • the center hair bundle 14A does not bend excessively and the cleaning power can be secured by blocking the deflection of the center hair bundle 14A.
  • the hair bundle shape and the shape of the flock holes are not particularly limited.
  • a plurality of outer peripheral hair bundles 14B are arranged on the center of the central hair bundle 14A, and the outer peripheral hair bundle 14B is formed in a substantially triangular or substantially fan shape so It is also effective to reduce the distance.
  • FIG. 6 is a diagram illustrating a head portion of the toothbrush according to the second embodiment.
  • FIG. 7 is a perspective view illustrating a configuration of a bristle bundle of the toothbrush according to the second embodiment.
  • the toothbrush 20 of the present embodiment has a plurality of outer peripheral hair bundles (second hair bundles) 24B provided around the central hair bundle (first hair bundle) 24A. It has the hair
  • the difference in hair length between the central hair bundle 24A and the plurality of hairs having different hair lengths constituting the outer peripheral hair bundle 24B is in the range of 1 mm to 3 mm.
  • the “hair length difference” refers to a difference in hair length between each of the hairs constituting the outer peripheral hair bundle 24B and the hair of the central hair bundle 24A.
  • the hair length difference between the nearest inner hair and the hair of the center hair bundle 24A is 1 mm or more, and the outer hair furthest from the center hair bundle 24A and the center hair bundle 24A of the outer hair bundle 24B are used. It is preferable that the hair height difference with hair is 3 mm or less.
  • toothbrush 20 of the present embodiment it is possible to achieve both hair bundle penetration into a narrower cleaning site and gentle contact comfort to the gums.
  • the inclination angle ⁇ of each outer peripheral hair bundle 24B with respect to the one surface 16a is preferably up to 10 degrees.
  • a method of inserting a flocking needle perpendicular to the flocked surface (one surface 16a) is common. Therefore, when the inclination of the hair bundle with respect to the normal direction of the flocked surface is 10 degrees or more, the flocking work becomes difficult. The same applies to in-mold flocking that does not use a flat wire.
  • FIG. 8 is a diagram illustrating a head portion of the toothbrush according to the third embodiment.
  • FIG. 9 is a diagram showing the structure of the outer peripheral hair bundle.
  • the toothbrush 30 of the present embodiment includes a plurality of outer peripheral hair bundles (second hair bundles) 34 ⁇ / b> B provided around the central hair bundle (first hair bundle) 34 ⁇ / b> A with respect to the head portion 16. Offset flocking. That is, each outer peripheral hair bundle 34B is implanted so that the first half hair bundle 34a on the side of the center hair bundle 34A has a hair length longer than the second half hair bundle 34b.
  • the outer peripheral hair bundle 34 ⁇ / b> B is implanted by the flat wire 35 sandwiched between the two folded hair bundles being driven into the first flocking hole 19 ⁇ / b> A.
  • a hair height difference M is provided between the first half hair bundle 34a and the second half hair bundle 34b formed by being sandwiched.
  • the toothbrush 30 of the present embodiment it is not necessary to perform a hair cutting step for adjusting the hair length of the outer peripheral hair bundle 34B, so that the manufacturing process can be simplified. Even if such a hair cutting step is not performed, a dome-shaped brush having the central hair bundle 34A as a convex can be formed as in the previous embodiment. This is effective when the outer peripheral hair bundle 34B is composed of ST hair.
  • the hair height difference M between the first half hair bundle 34a and the second half hair bundle 34b due to the offset is set within a range of 1 mm to 3 mm. Is desirable. When the hair length difference is within 1 mm, it is difficult to realize the effect of offset flocking. In addition, when the hair length difference exceeds 3 mm, the level difference in the outer peripheral hair bundle 34B becomes clear, so that the contact feeling against the gums is reduced.
  • toothbrushes C1 to C6 of Examples 1 to 6 were produced as the toothbrushes shown in FIGS. Further, toothbrushes D1 to D3 of Comparative Examples 1 to 3 were produced under the conditions shown in Table 2.
  • Example 4 straight hair was used as the central hair bundle.
  • the diameter of the outer peripheral hair bundle was set to 1.7 mm which is 2.0 mm or less.
  • the diameter was set to 2.0 mm or more in both the central hair bundle and the outer circumferential hair bundle.
  • the diameter of the central hair bundle was made larger than the diameter of the outer peripheral hair bundle.
  • the ends of the outer peripheral hair bundle were made flat like the central hair bundle.
  • two central hair bundles were provided, and a plurality of outer peripheral hair bundles were provided so as to surround them.
  • Example 1 As shown in Table 1, in the case of a brush configuration in which an outer peripheral hair bundle is arranged around the central hair bundle, the conditions shown in Example 1 indicate that the partial polishing is actually a cleaning feeling, gentle contact with the gums, and operation in the oral cavity. It was found that good results were obtained with respect to the properties.
  • Example 2 the density of the hair in the hair tip portion was increased by adopting a configuration in which the outer peripheral hair bundle was inclined toward the central hair bundle, and the contact feeling on the gums was improved as compared with Example 1.
  • Example 3 by offset-flocking the outer peripheral hair bundle, the hair tip can be inclined while using ST hair in the outer peripheral hair bundle, and the central convex dome shape can be formed as in the first embodiment. Therefore, it was found that the cleaning feeling of partial polishing and the feeling of hitting the gums were improved as compared with Example 1.
  • Example 4 it was found that when 6 mil straight hair was used as the bristles for the central hair bundle, the cleaning feeling as partial polishing and the gentle contact feeling on the gums were slightly reduced.
  • the diameter of the outer peripheral hair bundle is 1.7 mm, which is smaller than that of the example, and compared with Example 1, the gentle contact feeling on the gums is slightly inferior.
  • Example 6 since the diameter of the central hair bundle and the diameter of the outer peripheral hair bundle are both larger than those of the other examples, it is excellent in gentle contact with the gums, but the tip of the brush, particularly the central hair bundle, is in the cleaning portion. Hard to get in.
  • the size of the head part is 18 mm in head length and 15 mm in head width, which is larger than that in the first embodiment. For this reason, it turned out that it is a little inferior to Example 1 in the point of the cleaning actual feeling and operability as partial polishing.
  • Comparative Example 1 the diameter of the central bristle bundle is larger than that of the outer bristle bundle, so the tip of the brush is less likely to enter the cleaning part. It turns out that it is greatly inferior compared with Example 1.
  • Comparative Example 2 it is understood that the center hair bundle and the outer peripheral hair bundle have the same hair length and have a flat hair bundle shape as a whole, and are not suitable for partial polishing, and almost no actual feeling of cleaning is obtained.
  • Comparative Example 3 the outer peripheral hair bundle is provided in an elliptical shape around the two central hair bundles, and the tip of the brush is less likely to enter the cleaning portion. Further, the head length in the head portion is 17 mm, which is larger than that in the first embodiment. For this reason, it turns out that the actual feeling of cleaning, a hit feeling, and operativity are greatly inferior compared with Example 1.
  • FIG. 1 the diameter of the central bristle bundle is larger than that of the outer bristle bundle, so the tip of the brush is less likely to enter the cleaning part. It turns out that
  • the thickness of the outer peripheral hair bundle is 2.0 mm or more.
  • the thickness of the outer peripheral hair bundle is not particularly limited as long as it is larger than the thickness of the central hair bundle, but a diameter of 1.4 mm or more is preferable in order to ensure a comfortable contact with the gums. Also in this case, it is necessary to provide a large number of hair bundles to be arranged so that the distance between the outer hair bundles does not increase.
  • the distance between the hair bundles is the distance between hole edges of adjacent flock holes adjacent to each other, and is preferably 0.4 mm or more and 0.7 mm or less. If the distance between the hole edges is less than 0.4 mm, the head portion is uneasy in terms of strength. Further, when the distance between the hole edges is larger than 0.7 mm, it is difficult to bend the integrated hair bundle.
  • the thickness of the hair constituting the hair bundle can be selected as appropriate in order to adjust the hardness of the brush according to the symptoms of the user's gums as in the case of a general toothbrush.
  • the thickness of the outer peripheral hair bundle is preferably in the range of 3 mil to 6 mil.
  • the thickness of the hair is less than 3 mils, the self-supporting and durability of the hair bundle is deteriorated.
  • the thickness of the hair is 6 mil or more, it is difficult to ensure the contact comfort.
  • the thickness of the hair constituting the central hair bundle is preferably 4 mil or more because a certain amount of hair is needed to ensure the cleaning of the gums.
  • the head length and the head width of the head part are both preferably 16 mm or less.
  • the configuration in which the outer peripheral hair bundle is provided in a single layer around the central hair bundle is exemplified, but the outer peripheral hair bundle may be provided in multiple.
  • a method of flocking the hair bundle in addition to the flat wire type flocking method, a heat fusion method in which the lower end of the hair bundle is press-fitted into the molten resin as the head portion and fixed, Examples thereof include an in-mold method of injecting a molten resin into a mold and forming a flocked portion after forming.
  • L Head length
  • M Hair length difference
  • W Head width, 10, 20, 30 ... Toothbrush

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Brushes (AREA)

Abstract

La présente invention concerne une brosse à dents apte à nettoyer de façon appropriée entre les dents, sans problème de douleur des gencives pendant le fonctionnement. Une brosse à dents (10) selon la présente invention est caractérisée en ce qu'elle comprend : une tête (16) qui est circulaire dans une vue en plan et comporte, sur une surface de poils (16a), un premier trou de poils (19A) et une pluralité de seconds trous de poils (19B, 19B), qui sont plus grands que le premier trou de poils (19A) et sont situés autour de sa circonférence ; une première touffe de poils (14A) montée dans le premier trou de poils (19A) ; et une seconde touffe de poils (14B) montée dans chacun de la pluralité de seconds trous de poils (19B, 19B). La brosse à dents (10) est en outre caractérisée par le fait que l'extrémité de la première touffe de poils (14A) fait saillie plus loin que les extrémités de la pluralité de secondes touffes de poils (14B).
PCT/JP2016/067219 2015-06-12 2016-06-09 Brosse à dents WO2016199853A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680033780.7A CN107635432B (zh) 2015-06-12 2016-06-09 牙刷
JP2017523695A JP6868557B2 (ja) 2015-06-12 2016-06-09 歯ブラシ
KR1020177023207A KR102654074B1 (ko) 2015-06-12 2016-06-09 칫솔
MYPI2017704641A MY189015A (en) 2015-06-12 2016-06-09 Toothbrush

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015119231 2015-06-12
JP2015-119231 2015-06-12

Publications (1)

Publication Number Publication Date
WO2016199853A1 true WO2016199853A1 (fr) 2016-12-15

Family

ID=57504016

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/067219 WO2016199853A1 (fr) 2015-06-12 2016-06-09 Brosse à dents

Country Status (5)

Country Link
JP (1) JP6868557B2 (fr)
KR (1) KR102654074B1 (fr)
CN (1) CN107635432B (fr)
MY (1) MY189015A (fr)
WO (1) WO2016199853A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021106870A1 (fr) * 2019-11-29 2021-06-03 ライオン株式会社 Brosse à dents

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018452759B2 (en) * 2018-12-13 2022-10-13 Colgate-Palmolive Company Oral care implement
USD883677S1 (en) 2018-12-13 2020-05-12 Colgate-Palmolive Company Toothbrush
USD1024571S1 (en) 2022-06-17 2024-04-30 Colgate-Palmolive Company Oral care implement
USD1024572S1 (en) 2022-06-24 2024-04-30 Colgate-Palmolive Company Oral care implement

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153937U (fr) * 1979-04-24 1980-11-06
JP2001309819A (ja) * 2000-04-28 2001-11-06 Kao Corp 歯ブラシ
JP2003533254A (ja) * 2000-05-18 2003-11-11 コルゲート・パーモリブ・カンパニー 効果的な毛房パターンを有する歯ブラシ
JP2005160498A (ja) * 2003-11-28 2005-06-23 Lion Corp 電動歯ブラシ
JP2008142371A (ja) * 2006-12-12 2008-06-26 Sunstar Inc 歯ブラシ
WO2008081697A1 (fr) * 2006-12-28 2008-07-10 Lion Corporation Brosse à dents
JP2012034844A (ja) * 2010-08-06 2012-02-23 Lion Corp 歯ブラシ
JP3192545U (ja) * 2014-06-09 2014-08-21 ファミリー・サービス・エイコー株式会社 ワンタフト付歯ブラシ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19936637A1 (de) * 1999-01-12 2001-02-15 Braun Gmbh Vorrichtung zur Beseitigung von Plaques und zur Reinigung von Zahnzwischenräumen
JP5211074B2 (ja) * 2007-12-27 2013-06-12 ライオン株式会社 歯ブラシ
JP5550131B2 (ja) 2009-10-16 2014-07-16 株式会社歯愛メディカル 歯ブラシ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153937U (fr) * 1979-04-24 1980-11-06
JP2001309819A (ja) * 2000-04-28 2001-11-06 Kao Corp 歯ブラシ
JP2003533254A (ja) * 2000-05-18 2003-11-11 コルゲート・パーモリブ・カンパニー 効果的な毛房パターンを有する歯ブラシ
JP2005160498A (ja) * 2003-11-28 2005-06-23 Lion Corp 電動歯ブラシ
JP2008142371A (ja) * 2006-12-12 2008-06-26 Sunstar Inc 歯ブラシ
WO2008081697A1 (fr) * 2006-12-28 2008-07-10 Lion Corporation Brosse à dents
JP2012034844A (ja) * 2010-08-06 2012-02-23 Lion Corp 歯ブラシ
JP3192545U (ja) * 2014-06-09 2014-08-21 ファミリー・サービス・エイコー株式会社 ワンタフト付歯ブラシ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021106870A1 (fr) * 2019-11-29 2021-06-03 ライオン株式会社 Brosse à dents

Also Published As

Publication number Publication date
CN107635432A (zh) 2018-01-26
JP6868557B2 (ja) 2021-05-12
CN107635432B (zh) 2021-09-21
KR102654074B1 (ko) 2024-04-03
KR20180018477A (ko) 2018-02-21
JPWO2016199853A1 (ja) 2018-03-29
MY189015A (en) 2022-01-19

Similar Documents

Publication Publication Date Title
WO2016199853A1 (fr) Brosse à dents
JP5806922B2 (ja) 歯ブラシ
WO2012099230A1 (fr) Brosse à dents
JP5779413B2 (ja) 歯ブラシ
JP2023026519A (ja) 歯ブラシ
JP7086002B2 (ja) 歯ブラシ
JP6712120B2 (ja) 歯ブラシ
JP5690523B2 (ja) 歯ブラシ
JPWO2005060788A1 (ja) 歯ブラシ
JP5851115B2 (ja) 歯ブラシ
JP2020074983A (ja) 歯ブラシ
JP6478384B2 (ja) 歯ブラシ用ハンドル体及び歯ブラシ
JP3192545U (ja) ワンタフト付歯ブラシ
JPWO2016167191A1 (ja) 歯間ブラシ
WO2017170126A1 (fr) Brosse à dents
JP7433310B2 (ja) 歯ブラシ
JP6598383B2 (ja) 歯ブラシ
JP5690525B2 (ja) 歯ブラシ
JP6858123B2 (ja) 歯ブラシ
WO2020262341A1 (fr) Brosse à dents
JP7378472B2 (ja) 歯ブラシ
JP6452220B2 (ja) 歯ブラシ
JP7162409B2 (ja) 歯ブラシ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16807559

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2017523695

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20177023207

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16807559

Country of ref document: EP

Kind code of ref document: A1