WO2018135150A1 - Brosse à dents - Google Patents

Brosse à dents Download PDF

Info

Publication number
WO2018135150A1
WO2018135150A1 PCT/JP2017/043066 JP2017043066W WO2018135150A1 WO 2018135150 A1 WO2018135150 A1 WO 2018135150A1 JP 2017043066 W JP2017043066 W JP 2017043066W WO 2018135150 A1 WO2018135150 A1 WO 2018135150A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
toothbrush
head portion
flat wire
holes
Prior art date
Application number
PCT/JP2017/043066
Other languages
English (en)
Japanese (ja)
Inventor
紗弥 野澤
金丸　直史
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 KR1020197003390A priority Critical patent/KR20190102171A/ko
Priority to CN201780079816.XA priority patent/CN110113963B/zh
Priority to KR1020237004014A priority patent/KR20230027311A/ko
Priority to MYPI2019003646A priority patent/MY194816A/en
Publication of WO2018135150A1 publication Critical patent/WO2018135150A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/16—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by wires or other anchoring means, specially for U-shaped bristle tufts
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • 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
    • 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 based on Japanese Patent Application No. 2017-005804 filed in Japan on January 17, 2017, the contents of which are incorporated herein by reference.
  • the head portion may be made thin in order to improve operability and allow the entire oral cavity to be cleaned.
  • the ratio of the flat wire to the head portion resin is relatively increased, so that the head portion is likely to be warped, whitened or cracked.
  • the number of flat wires driven into the head increases, and warp, whitening, and cracks are likely to occur. It was impossible to realize.
  • the present inventors have found that the warpage of the head portion is closely related to the inner diameter of the flocked hole, the flocked hole density, the depth of implantation of the flat line with respect to the flocked hole, and the like. I found it.
  • the present invention has been made in consideration of the above points, and does not cause warping, resin whitening, or cracking in the head portion of the flat-wire-type flocking method, ensuring sufficient flocking strength,
  • An object of the present invention is to provide a toothbrush excellent in internal operability.
  • a toothbrush includes a head portion having a plurality of flocking holes provided on a flocked surface, and a bundling bundle of a plurality of hairs is flattened.
  • the thickness of the head portion is 2.0 mm or more and 4.0 mm or less, and the area of the portion where the outside of the flocking hole is connected by a straight line is flocked
  • the flocked hole density expressed by the total number of flocked holes (holes) / flocked area (cm 2 ) is 25 holes / cm 2 or more
  • the inner diameter of the flocked holes is X
  • the thickness of the wire is d and X is 0.9 mm or more and 1.3 mm or less, the relationship of 0.37 mm ⁇ (X ⁇ d) /2 ⁇ 0.55 mm is satisfied.
  • the buried volume of the flat wire with respect to the flocked hole (the volume of a pair of buried portions buried in the head portion of the flat wire on the radially outer side of the flocked hole) is 0. 06mm 3 more than 0.20mm 3 may be less than or equal to.
  • the buried volume of the flat wire corresponds to the volume of a pair of buried portions buried in the head portion on the radially outer side of the flock hole in the flat wire.
  • the flat wire may have a plurality of grooves on both side surfaces.
  • the head portion may be formed of a resin having a flexural modulus of 1000 MPa or more and 2800 MPa or less.
  • the toothbrush of the present invention does not cause warping, whitening of resin, or cracks in the head portion of the flat-wire-type flocking method, ensures sufficient flocking strength, excellent in intraoral operability, and up to the tooth neck of the back teeth I can polish it well.
  • FIGS. 1A and 1B are figures showing toothbrush 1 concerning this embodiment, (a) a top view and (b) a side view.
  • the toothbrush 1 includes a head portion 10 in which the bristles 11 of the bristles 11a are implanted, a neck portion 20 that extends from the rear end side of the head portion 10, and a handle that extends from the rear end side of the neck portion 20.
  • Unit 30 The toothbrush 1 includes a head portion 10 in which the bristles 11 of the bristles 11a are implanted, a neck portion 20 that extends from the rear end side of the head portion 10, and a handle that extends from the rear end side of the neck portion 20.
  • the head portion 10, the neck portion 20, and the handle portion 30 are collectively referred to as a handle body 40.
  • the head unit 10 is a distal end portion of the handle body 40.
  • the neck portion 20 is a portion of the handle body 40 that is continuous with the rear end side of the head portion 10.
  • the handle portion 30 is a portion of the handle body 40 opposite to the head portion 10 and is a portion up to the finger rest portion 35.
  • the longitudinal direction of the head unit 10 (the left-right direction in FIGS. 1A and 1B) is referred to as the longitudinal direction.
  • the short side direction (vertical direction in FIG. 1A) of the head unit 10 is referred to as horizontal.
  • the thickness direction of the head portion 10 (vertical direction in FIG. 1B) is referred to as height or thickness.
  • the handle body 40 is integrally formed in a long shape as a whole, and is obtained, for example, by injection molding using a resin as a material.
  • Examples of the material of the integrally formed handle body 40 include resins having a flexural modulus (JIS 7171) of 1000 MPa or more and 2800 MPa or less.
  • resins having a flexural modulus JIS 7171
  • PP polypropylene resin
  • POM polyacetal resin
  • PCTA saturated polyester resin
  • PS Polystyrene resin
  • PET polyethylene terephthalate resin
  • PBT polybutylene terephthalate resin
  • ABS acrylonitrile butadiene styrene resin
  • poreylate resin polycarbonate resin
  • AS acrylonitrile styrene resin
  • polypropylene resin is preferable in that the cost can be suppressed.
  • the polypropylene resin has a flexural modulus of 1500 MPa or more and 2000 MPa or less, warping or the like is likely to occur when the head portion 10 is thinned.
  • a resin having a relatively low bending elastic modulus such as polypropylene can also be used.
  • the handle body 40 may be partially or wholly covered with a flexible resin such as an elastomer in order to improve the gripping property.
  • the bending elastic modulus (JIS7171) of the handle body 40 that is, the bending elastic modulus of the resin used as the material of the handle body 40 is preferably 1000 MPa or more and 2800 MPa or less, more preferably 1200 MPa or more and 2500 MPa or less, and 1500 MPa. As mentioned above, it is still more preferable that it is 2000 MPa or less.
  • the handle body 40 is integrally formed as a whole.
  • the present invention is not limited to the case where the head portion 10, the neck portion 20, and the handle portion 30 are integrally formed.
  • at least one of the head unit 10, the neck unit 20, and the handle unit 30 may be manufactured from different materials and joined to each other.
  • the head portion 10, the neck portion 20, and the handle portion 30 are manufactured from different materials, at least the material described above is applied as the material of the head portion 10.
  • at least the flexural modulus (JIS7171) of the head portion 10 is preferably 1000 MPa or more and 2800 MPa or less, more preferably 1200 MPa or more and 2500 MPa or less, and further preferably 1500 MPa or more and 2000 MPa or less.
  • the overall length of the handle body 40 can be determined with respect to operability and the like.
  • the overall length of the handle body 40 is, for example, about 150 to 200 mm.
  • the head unit 10 has a substantially quadrangular flat plate shape in which four apexes are cut off by a curve in plan view.
  • the dimensions of the head unit 10 are determined in consideration of characteristics such as intraoral operability. If the width of the head portion 10 is too large, the operability in the oral cavity is lowered, and if it is too small, the number of hair bundles 11 to be implanted becomes too small and the cleaning effect tends to be impaired. For this reason, the maximum width of the head portion 10 is set to, for example, about 5 mm to 16 mm, and is preferably 11 mm or less from the viewpoint of insertion into the oral cavity.
  • the length of the head portion 10 is set in a range of 10 mm to 33 mm, for example.
  • the thickness (height) t of the head portion 10 is preferably in the range of 2.0 mm to 4.0 mm, and more preferably in the range of 2.5 mm to 3.5 mm. As shown in FIG. 1B, the operability of the toothbrush 1 in the oral cavity can be improved if the thickness t of the head portion 10 is less than or equal to this upper limit value. Moreover, if the minimum thickness of the head part 10 is more than this lower limit, the strength reduction of the head part 10 can be prevented.
  • a plurality of flocked holes 13 are formed on the flocked surface 12 that is the surface of the head portion 10.
  • the inner diameter X of the flocking hole 13 is preferably in the range of 0.9 mm to 1.3 mm. By being in this range, the flock hole 13 becomes a small hole, and the outer diameter of the hair bundle 11 becomes thin.
  • the inner diameter X of the flocking hole 13 is more preferably in the range of 1.0 mm to 1.3 mm, and still more preferably 1.1 mm to 1.3 mm.
  • the hair bundle 11 is implanted in each flock hole 13.
  • the bristles 11a constituting the hair bundle 11 are bristles (taper hairs) whose diameter gradually decreases toward the bristles, and bristles (straight bristles) having substantially the same outer diameter except for the rounded portions of the bristles. ), Hair for which the hair tip has a shape such as a spatula shape, a spherical shape, or a tip crack shape can be used.
  • Examples of the material of the hair 11a include polyamide (eg, 6-12 nylon, 6-10 nylon), polyester (eg, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate), polyolefin (eg, polypropylene), elastomer Examples thereof include synthetic resin materials such as olefins and styrenes. These resin materials may be used alone or in combination of two or more.
  • the bristles 11a are also preferably polyester bristles having a multi-core sheath structure (double-core-sheath structure) having a core portion and at least one or more layers of sheath portions provided outside the core portion.
  • a multi-core sheath structure double core-sheath structure
  • different polyesters can be used for the core portion and the sheath portion, so that the mechanical properties can be easily adjusted. For this reason, it is possible to easily obtain hair having a strong stiffness and a higher plaque scraping property.
  • PBT polybutylene terephthalate
  • PET polyethylene terephthalate
  • hair having a double core sheath structure (double core sheath ST hair) in which the core portion is made of polybutylene terephthalate resin (PBT) and the sheath portion is made of polyethylene terephthalate resin (PET). Is used. For this reason, it is possible to easily obtain hair with strong stiffness and higher plaque scraping ability.
  • PBT polybutylene terephthalate resin
  • PET polyethylene terephthalate resin
  • the cross-sectional shape of the bristles 11a is preferably circular, but is not necessarily limited to a circular shape, and may be any shape depending on the intended use of the toothbrush 1.
  • the shape may be an ellipse, a polygon (for example, a triangle, a quadrangle, a pentagon, a hexagon, or the like), an irregular shape (for example, a star shape, a three-leaf clover shape, a four-leaf clover shape, or the like).
  • the hairs 11a constituting the hair bundle 11 may all have the same thickness, or two or more types of hairs 11a having different thicknesses may be combined. Moreover, it is preferable to shorten the hair length of the hair 11a, so that the diameter of the selected hair 11a is small from the point of the usability in a mouth, and a usability
  • the length of the neck portion 20 is preferably 25 to 70 mm, for example, so that the neck portion 20 touches the lips when the head portion 10 is inserted into the oral cavity.
  • the neck portion 20 in the present embodiment is formed so as to gradually increase from the position 21 at which the width becomes the minimum value toward the rear end side.
  • the width of the neck portion 20 can be determined in consideration of the material and the like.
  • the minimum width of the neck portion 20 is preferably 3.5 mm or more and 4.5 mm or less, and more preferably 3.7 mm or more and 4.3 mm or less. If it is more than the above lower limit value, the strength of the neck portion 20 can be further increased, and if it is not more than the above upper limit value, the lips can be easily closed and reachability to the back teeth can be improved, and operability in the oral cavity is further improved. Enhanced.
  • FIG. 2A shows the flock hole 13 and is a cross-sectional view along the vertical and horizontal directions.
  • FIG. 2B is a cross-sectional view along the height direction.
  • FIG. 3 is a side view showing the flat wire 15.
  • the longitudinal direction of the flat wire 15 (the left-right direction in FIGS. 2A and 3) is referred to as the longitudinal direction.
  • the short direction of the flat wire 15 (vertical direction in FIG. 2A) is referred to as horizontal or thickness.
  • the thickness direction of the flat wire 15 (vertical direction in FIGS. 2B and 3) is referred to as height.
  • the method of planting the hair bundle 11 is a flat wire type in which the hair bundle 11 is planted in the flock hole 13 by folding the hair bundle of the hair 11a in half and driving the flat wire 15 sandwiched therebetween into the flock hole 13.
  • the planting strength is preferably 8N or more, more preferably 10N or more, and particularly preferably 15N or more.
  • the flat wire 15 is placed in the flock hole 13 so as to pass through the center of the flock hole 13 and straddle the flock hole 13.
  • Examples of the material of the flat wire 15 include metal pieces such as brass and stainless steel, and other examples include hard plastic and biodegradable plastic.
  • the thickness d of the flat wire 15 is preferably 0.15 mm to 0.30 mm, more preferably 0.18 mm to 0.25 mm, and 0.18 mm to 0.22 mm. More preferably it is.
  • the height H of the flat wire 15 is preferably 1.0 mm to 1.5 mm, and more preferably 1.0 mm to 1.3 mm.
  • the length L1 of the flat wire 15 is preferably 1.4 mm to 1.8 mm.
  • the flat wire 15 preferably has a plurality of grooves 16 formed on the side surfaces 15a and 15a, respectively.
  • the width W1 of the groove 16 is 0.1 to 0.3 mm, and the height h1 is 0.03 to 0.075 mm.
  • the shape and number of the grooves 16 are not limited to those illustrated. Moreover, although the thing with a groove
  • a plurality of flocked holes 13 are formed on the flocked surface 12 of the head portion 10, but the arrangement pattern is not particularly limited.
  • the flock holes 13 may be arranged in 3 to 5 rows in the width direction of the head portion 10 and 10 to 12 rows in the length direction of the head portion 10.
  • a U-shaped arrangement surrounding a part of the non-planted region may be used.
  • the total number of flock holes 13 (holes) when the area of the flocked area 13A of the portion where the outside (tangent) of the flock holes 13 is connected by a straight line is defined as the flocked area (cm 2 ).
  • the flocked hole density (number of flocked holes per unit area) represented by the flocked area (cm 2 ) is preferably 25 holes / cm 2 or more, more preferably 28 holes / cm 2 or more. More preferably, it is 30 holes / cm 2 or more. Moreover, it is preferable that it is 40 holes / cm ⁇ 2 > or less, and it is more preferable that it is 37 holes / cm ⁇ 2 >.
  • the hole depth M of the flocking hole 13 is preferably in the range of 2.2 to 3.5 mm.
  • the back surface thickness of the head part 10 is preferable.
  • the flock hole pitch is preferably 1.2 to 2.4 mm.
  • the ratio of the total hair area B in the total area A of the actual hair obtained by subtracting the area of the flat wire 15 from the area of the single hair hole 13 is defined as a packing factor (B / A ⁇ 100%).
  • the value of (X ⁇ d) / 2 is related to the thickness of the hair bundle 11, which is an index indicating the distance from the hole bottom 13 b of the flocked hole 13 to the bottom surface 15 c of the flat wire 15, and the driving depth of the flat wire 15 It also serves as an index to indicate safety.
  • the head portion 10 is likely to warp.
  • the head portion 10 is thinned, if the flat wire 15 is driven shallowly into the flock hole 13, the head portion 10 is warped. This is considered to be because the flocked surface 12 expands due to the resin near the opening of the flocked hole 13 being pushed away so as to expand the hole diameter. Therefore, as the flock hole density of the flock holes 13 is higher, the number of driving of the flat wires 15 is increased, so that warping of the head portion 10 is likely to be remarkable.
  • the head portion 10 is unlikely to warp.
  • the resin is pushed out to the bottom side of the flocked hole 13 by deeply pushing the flat wire 15 into the flocked hole 13, the hole diameter on the opening side of the flocked hole 13 is less likely to change. This is probably because Therefore, it is estimated that the flocked surface 12 does not expand and it is difficult for the head portion 10 to warp.
  • the toothbrush 1 in which the head portion 10 is thinned as in the present embodiment by setting conditions so as to be within the range of the formula (1), warping of the head portion 10, whitening of the resin, cracks Is prevented from occurring.
  • the driving depth of the flat wire 15 into the flocked hole 13 is 0.45 mm or more because good flocking strength is obtained.
  • the driving depth of the flat wire 15 into the flock hole 13 is 0.55 mm or less because the strength of the head portion 10 can be further maintained.
  • the implantation depth of the flat wire 15 with respect to the flocked hole 13 is in the above range, the flocked hole 13 is reduced and the hair bundle diameter is reduced, so that it is possible to enhance the penetration into the narrow gap of the teeth.
  • the buried volume of the flat wire 15 with respect to the flock hole 13 is in the range of 0.06 mm 3 or more and 0.20 mm 3 or less, particularly preferably 0.08 mm 3 or more and 0.13 mm 3 or less.
  • the flock hole 13 has an inner diameter X of 0.9 mm to 1.3 mm.
  • the flat wire 15 is embedded in the resin of the head portion 10 in a range of 0.2 mm to 0.25 mm from both ends in the longitudinal direction.
  • the buried volume of the flat wire 15 corresponds to the volume of the pair of buried portions 15b and 15b buried in the head portion 10 on the radially outer side of the flock hole 13 in the flat wire 15.
  • the toothbrush 1 since the buried volume of the flat wire 15 with respect to the flock hole 13 is set small, the amount of resin pushed away by the flat wire 15 is reduced. Therefore, warping of the head portion 10 is prevented.
  • the flat wire 15 is a grooved flat wire having a plurality of grooves 16 on both side surfaces 15a and 15a
  • the amount of resin pushed away by the flat wire 15 is suppressed by the resin entering the grooves 16, so that the head portion Ten warpage is further prevented.
  • the grooved flat wire 15 is more preferable than the grooveless flat wire.
  • the head unit 10 of the present embodiment is made of a resin having a flexural modulus of 1000 MPa or more and 2800 MPa or less. That is, the cost of the toothbrush 1 can be suppressed by using a general-purpose resin such as a polypropylene resin.
  • a general-purpose resin such as a polypropylene resin.
  • the flat line 15 with respect to the flocking hole 13 is set by setting the back surface thickness N of the head portion 10 to 0.7 mm or less.
  • the head portion 10 is unlikely to warp even when the bottom is touched, and sufficient flocking strength can be ensured.
  • the packing factor (B / A ⁇ 100%) is preferably 70 to 90%, more preferably 75 to 85%.
  • the distance from the hole bottom 13b of the flocked hole 13 to the bottom surface 15c of the flat wire 15 is set within the range of the above-described formula (1) with a packing factor within this range, the above-mentioned good flocking strength can be obtained. Further, since whitening of the resin does not occur in the head portion 10, it is more preferable.
  • the arrangement pattern of the flock holes 13 is not limited to the above-described pattern, and may be a so-called lattice shape, staggered shape, or the like. Any arrangement pattern may be used as long as the flocked hole density is 25 holes / cm 2 or more and 40 holes / cm 2 or less.
  • FIG. 4 is a diagram showing the specifications of Examples and Comparative Examples and their evaluation.
  • Examples 1 to 3 Comparative Examples 1 and 2
  • the handle body 40 shown in FIGS. 1A and 1B is manufactured by injection molding, the hair bundle 11 of the bristles 11a is folded in two, and the flat wire 15 sandwiched therebetween is driven into the flock hole 13. In this way, the hair bundle 11 was implanted in the flock hole 13.
  • each toothbrush 1 was performed with respect to the cleaning effect of the back neck of the tooth, the warpage of the head portion 10, the occurrence of whitening and cracking of the resin, and the flocking strength as intraoral operability.
  • the thickness t of the head portion 10 is in the range of 2.0 mm to 4.0 mm, the flocked hole density is 25 holes / cm 2 or more, X Is 0.9 mm or more and 1.3 mm or less, and satisfies the formula (1). Therefore, good results were obtained in each evaluation of intraoral operability, warpage of the head part 10, occurrence of resin whitening / cracking, and flocking strength. It was confirmed that
  • the buried volume of the flat wire 15 with respect to the flock hole 13 was 0.06 mm 3 or more and 0.20 mm 3 or less.
  • the distance from the hole bottom 13b of the flocked hole 13 to the bottom surface 15c of the flat wire 15 was 0.5 mm or less. If it is 0.5 mm or less, since the flat wire 15 is driven deeply, an effect of preventing the head portion 10 from warping was obtained.

Landscapes

  • Brushes (AREA)

Abstract

La présente invention concerne une brosse à dents qui a une section de tête implantée à plaque plate dans laquelle un gauchissement, un blanchissement de résine et des fissures sont empêchés, assure une résistance de poil implantés suffisante, et est facile à manipuler dans la bouche. Cette brosse à dents est pourvue d'une section de tête (10) ayant une pluralité de trous d'implantation de poils (13) sur la surface d'implantation de poils (12), et des groupes d'une pluralité de poils sont pliés en deux parties et implantés dans les trous d'implantation de poils (13) à l'aide de plaques plates (15). L'épaisseur de la section de tête (10) est de 2,0 à 4,0 mm, la densité de trou d'implantation de poils des trous d'implantation de poils (13) est de 25 trous/cm2 ou plus, et la brosse à dents satisfait la relation : 0,37 mm ≤ (X - d)/2 ≤ 0,55 mm, où X est le diamètre interne des trous d'implantation de poils, d est l'épaisseur des plaques plates, et X est de 0,9 à 1,3 mm.
PCT/JP2017/043066 2017-01-17 2017-11-30 Brosse à dents WO2018135150A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020197003390A KR20190102171A (ko) 2017-01-17 2017-11-30 칫솔
CN201780079816.XA CN110113963B (zh) 2017-01-17 2017-11-30 牙刷
KR1020237004014A KR20230027311A (ko) 2017-01-17 2017-11-30 칫솔
MYPI2019003646A MY194816A (en) 2017-01-17 2017-11-30 Toothbrush

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017005804A JP6906313B2 (ja) 2017-01-17 2017-01-17 歯ブラシ
JP2017-005804 2017-01-17

Publications (1)

Publication Number Publication Date
WO2018135150A1 true WO2018135150A1 (fr) 2018-07-26

Family

ID=62908516

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/043066 WO2018135150A1 (fr) 2017-01-17 2017-11-30 Brosse à dents

Country Status (5)

Country Link
JP (1) JP6906313B2 (fr)
KR (2) KR20230027311A (fr)
CN (1) CN110113963B (fr)
MY (1) MY194816A (fr)
WO (1) WO2018135150A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021253261A1 (fr) 2020-06-17 2021-12-23 Colgate-Palmolive Company Brosse à dents et fil d'ancrage associé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4082389A4 (fr) * 2019-12-25 2023-12-06 Sunstar Inc. Brosse à dents

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001309818A (ja) * 2000-04-28 2001-11-06 Lion Corp ブラシ
JP2011024839A (ja) * 2009-07-28 2011-02-10 Kao Corp 歯ブラシ
JP2016193073A (ja) * 2015-03-31 2016-11-17 ライオン株式会社 歯ブラシ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101165264B1 (ko) * 2003-12-24 2012-07-19 라이온 가부시키가이샤 칫솔
JP2005177377A (ja) 2003-12-24 2005-07-07 Lion Corp 歯ブラシ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001309818A (ja) * 2000-04-28 2001-11-06 Lion Corp ブラシ
JP2011024839A (ja) * 2009-07-28 2011-02-10 Kao Corp 歯ブラシ
JP2016193073A (ja) * 2015-03-31 2016-11-17 ライオン株式会社 歯ブラシ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021253261A1 (fr) 2020-06-17 2021-12-23 Colgate-Palmolive Company Brosse à dents et fil d'ancrage associé
EP4030963A4 (fr) * 2020-06-17 2023-02-22 Colgate-Palmolive Company Brosse à dents et fil d'ancrage associé

Also Published As

Publication number Publication date
KR20230027311A (ko) 2023-02-27
CN110113963A (zh) 2019-08-09
KR20190102171A (ko) 2019-09-03
JP6906313B2 (ja) 2021-07-21
CN110113963B (zh) 2021-10-22
JP2018114063A (ja) 2018-07-26
MY194816A (en) 2022-12-16

Similar Documents

Publication Publication Date Title
JP5947480B2 (ja) 歯ブラシ
JP5948019B2 (ja) 歯ブラシ
JP5427486B2 (ja) 歯ブラシ
WO2016158526A1 (fr) Brosse à dents
JP5909192B2 (ja) 歯ブラシ
WO2013164986A1 (fr) Brosse à dents
JP5779413B2 (ja) 歯ブラシ
KR102654074B1 (ko) 칫솔
WO2018135150A1 (fr) Brosse à dents
JP5690523B2 (ja) 歯ブラシ
WO2005060788A1 (fr) Brosse a dents
WO2018198772A1 (fr) Brosse à dents
JP3148931U (ja) 歯ブラシ
JP3129537U (ja) 歯ブラシ
JP5779383B2 (ja) 歯ブラシ
JP5690525B2 (ja) 歯ブラシ
JP6207808B2 (ja) 歯ブラシ
TWI734760B (zh) 牙刷
JP7382927B2 (ja) 歯ブラシ
JP6429359B2 (ja) 歯ブラシ
JP4689295B2 (ja) 歯ブラシ
JP6928472B2 (ja) 歯ブラシ
JP6452220B2 (ja) 歯ブラシ
KR102622532B1 (ko) 칫솔
KR20210018187A (ko) 칫솔

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: 17893421

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20197003390

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: 17893421

Country of ref document: EP

Kind code of ref document: A1