CN103052338B - Toothbrush - Google Patents
Toothbrush Download PDFInfo
- Publication number
- CN103052338B CN103052338B CN201180038360.5A CN201180038360A CN103052338B CN 103052338 B CN103052338 B CN 103052338B CN 201180038360 A CN201180038360 A CN 201180038360A CN 103052338 B CN103052338 B CN 103052338B
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- CN
- China
- Prior art keywords
- pieces
- outside
- bristle
- central
- planting
- 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.)
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Classifications
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- 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
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- 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
- A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
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- 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
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0276—Bristles having pointed ends
Abstract
The present invention provides a toothbrush comprising, in a bristle implanting surface, a central bristle bundle group formed from two or more central bristle bundles positioned substantially centrally on the bristle implanting surface, a first outside bristle bundle group formed from two or more outside bristle bundles with the central bristle bundle group interposed therebetween, and a second outside bristle bundle group. A region encircled by an annular line that joins the outer edge of implanted bristle holes positioned on the outermost periphery of the central bristle bundle group and wherein the central bristle bundles are implanted shall be a central implanted bristle region, the value obtained by dividing the total number of bristles in the central bristle bundle group by the area of the central implanted bristle region shall be the central implanted bristle density, the region for the first outside bristle bundle group shall be the first outside implanted bristle region, the region for the second outside bristle bundle group shall be the second outside implanted bristle region, the value obtained by dividing the total number of bristles in the first and second outside bristle bundle groups by the sum of the area of the first outside implanted bristle region and the area of the second outside implanted bristle region shall be the outside implanted bristle density, and the implanted bristle density ratio indicated by the outside implanted bristle density/the central implanted bristle density shall be 1.6-6.0. The present invention provides a toothbrush that can provide both a gentle sensation on the gums and highly effective cleaning of the tooth cervix.
Description
Technical field
The present invention relates to a kind of toothbrush.
The application at the Patent 2010-177779 CLAIM OF PRIORITY of Japanese publication, quotes its content at this based on August 6th, 2010.
Background technology
In the toothbrush as oral cavity tool for cleaning inside, in order to improve the tartar removing effect as needing most function, the assortment of the pieces tied up by bristle is descended the time.As the assortment of the pieces in basic toothbrush, the pieces that there will be a known a kind of homogeneous diameter is planted into checkerboard grid shape or staggered technology.
In recent years, along with the raising of health purpose, require that toothbrush improves the removing effect of tartar further, for such requirement, propose the toothbrush combined by the pieces of different-diameter, the toothbrush combined by the pieces of different staple length.
Such as, in patent document 1, propose a kind of toothbrush, this toothbrush has: territory, hair-fields is planted in the front being roughly configured with to U-shaped heavy caliber pieces near the front end of brushhead along the edge of planting hair side; And the rear end side being configured with small-bore pieces near the rear end of brushhead plants territory, hair-fields, and make front plant territory, hair-fields plant gross density than rear end side plant territory, hair-fields to plant gross density high.
By this toothbrush, the occlusal surface of intraoral each several part, particularly molar can obtain higher brush and sweep power.
In addition, in patent document 2, to propose a kind of toothbrush, this toothbrush has: the length direction along brushhead central authorities, internal diameter be 2.0 ~ 2.8mm plant the central pieces row that implanting in pore has bristle; And outside two of described central pieces row, internal diameter be 1.2 ~ 1.6mm plant the outside pieces row that implanting in pore has bristle, and make the gross area of planting pore of central pieces row and the ratio of planting the gross area of pore of outside pieces row is 1:0.6 ~ 1:2.8.By this toothbrush, high efficiency scrubbing brush can be carried out to thinner positions such as the flank of tooth, neck portion and between cog portions and sweep.
A kind of toothbrush is proposed in patent document 3, thin and the central pieces that staple length is longer than the staple length of described outside pieces and the center tuft row of the pieces diameter of the outside pieces that the pieces diameter of this toothbrush arranges than outermost are arranged on the inner side of outside pieces, the staple length of central authorities' pieces is the longest, the pieces of the staple length row laterally of pieces shortens successively, and the pieces diameter of central pieces, center tuft and outside pieces expands successively according to this order.By this toothbrush, excellent clean true feeling can be obtained and to the insertion true feeling between intraoral gap.
A kind of toothbrush is proposed in patent document 4, this toothbrush to plant hair side be the width parallel with the axis of toothbrush by zoning is the central belt-like zone of 3mm and the pair of outside region in its both sides, the height of the outside main bristle pieces of the aspect ratio exterior lateral area of central authorities' main bristle pieces of central authorities' belt-like zone is high, and outside the hardness ratio of central main bristle pieces entirety, the hardness of main bristle pieces entirety is large.By this toothbrush, between cog portion can be swept by high efficiency scrubbing brush.
Or, also proposed the toothbrush of the i.e. so-called taper hair of a kind of use by the high-quality green tea end sharpening of bristle.
Such as, in patent document 5, propose a kind of toothbrush, the hair of the needle-like of the possibly tapered of this toothbrush is formed with the protuberance of the height height 1mm ~ 10mm of the hair of the needle-like than other positions.By this toothbrush, as required the hair of needle-like partly, intensively can penetrate into tooth gap between or the fine and closely woven position of periphery of the tooth such as oral pocket, easily can remove swill.
In addition, in patent document 6 ~ 7, propose a kind of toothbrush, this toothbrush plants the pieces having staple length different, and the top ends forming the bristle pieces of described pieces is taper.By this toothbrush, excellent brush can be obtained and sweep true feeling and to the insertion true feeling between intraoral gap.
Patent document 1: Japanese Unexamined Patent Publication 2007-229065 publication
Patent document 2: Japanese Unexamined Patent Publication 2008-154808 publication
Patent document 3: Japan Patent No. 3583346 publication
Patent document 4: Japan Patent No. 4076403 publication
Patent document 5: Japanese Unexamined Patent Publication 2002-85159 publication
Patent document 6: Japan Patent No. 3585811 publication
Patent document 7: Japanese Unexamined Patent Publication 2001-346632 publication
The problem that invention will solve
But when suffering from periodontosis, in order to avoid pain when brush is swept, hemorrhage etc., tendency hobby does not produce brushing teeth of the contiguous sense of stimulation to gum as far as possible.Stimulate to not produce gum, the bristle of the softness generally bristle hair footpath being attenuated and the low bristle of so-called bristle stiffness or increase bristle plant gross density, disperse brush to sweep pressure.
On the other hand, when using the low bristle of bristle stiffness, that easily causes tartar to remove is insufficient, bristle plant gross density when increasing, limit the action of each pieces needed for the gap in order to make bristle tips enter between tooth and gum.I.e. " spatter property in neck portion " such toothbrush can not meet the basic problem of reply periodontosis.For patients with periodontal disease, need a kind of can bringing not to the reassurance of gum applying burden, and suitably can clean the toothbrush in neck portion.
In addition, the toothbrush of above-mentioned patent document 1 ~ 7 is the inventions made from the high efficiency viewpoint except denude, and its consideration to patients with periodontal disease is not enough.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of toothbrush taken into account the contiguous sense of the gentleness of gum and the high spatter property in neck portion.
The means of dealing with problems
Invention people carry out the result of conscientiously careful research, obtain following opinion: in order to the pieces making to be positioned at outside the width of planting hair side easily contacts with gum, the pressure to gum produced by the pieces of being correlated with by mitigation can realize the contiguous sense to gum gentleness.In addition, find out the pieces by making to be positioned at the substantial middle of planting hair side plant gross density and be positioned at the outside of planting hair side pieces plant gross density in certain scope, can take into account the contiguous sense of the gentleness of gum and the spatter property to neck portion thus, until complete the present invention.
Namely, toothbrush of the present invention, there is the handle body being provided with brushhead on top, the pieces of bristle is had in the implanting in pore of planting of more than 2 of planting on hair side being formed at described brushhead, in this toothbrush, described in plant hair side and have: by spread configuration on the axis direction of described handle body and the central pieces group that forms of the central pieces of more than 2 of planting the substantial middle of hair side described in being positioned at; and the pair of outside pieces group to be made up of the outside pieces of more than 2 clamp described central pieces group on the direction of the intersect vertical axis with described handle body planted, implanting is had to be positioned at the region that ringed line that the outward flange of planting pore described in the described central pieces of the most peripheral of described central pieces group couples together surrounds be that territory, hair-fields is planted by central authorities, the total radical forming the bristle of described central pieces group is that gross density is planted by central authorities divided by the numerical value that the area that territory, hair-fields is planted by described central authorities obtains, the region surrounded by the ringed line that implanting has the outward flange of planting pore described in the described outside pieces of the most peripheral of the described outside pieces group being positioned at a side to couple together is plant territory, hair-fields outside first, the region surrounded by the ringed line that implanting has the outward flange of planting pore described in the described outside pieces of the most peripheral of the described outside pieces group being positioned at the opposing party to couple together is plant territory, hair-fields outside second, the total radical of bristle forming described pair of outside pieces group is that gross density is planted in outside divided by planting the numerical value that the area sum of planting territory, hair-fields outside the area and described second in territory, hair-fields obtains outside described first, outside is planted gross density and is planted gross density divided by central authorities and represent the ratio of planting gross density, this ratio of planting gross density is 1.6 ~ 6.0.
Preferably, the diameter in the cross section intersected vertically with its length direction of described central pieces is 1.0 ~ 1.6mm, and the numerical value that the sectional area of the described central pieces that the sectional area of the described outside pieces intersected vertically with the length direction of described outside pieces intersects vertically divided by the length direction with described central pieces obtains is more than 1.8; Preferably, the length of planting described in described central pieces on hair side is longer than the length of planting on hair side described in the pieces of described outside; Preferably, the bristle that the both sides in described central pieces and described outside pieces or wherein a side diminish gradually containing oriented bristle tips diameter.
Invention effect:
By toothbrush of the present invention, plant hair side and have: by spread configuration on the axis direction of handle body and the central pieces group that forms of the central pieces of more than 2 of planting the substantial middle of hair side described in being positioned at; and the pair of outside pieces group to be made up of the outside pieces of more than 2 clamp described central pieces group on the direction of the intersect vertical axis with described handle body planted, implanting is had to be positioned at the region that ringed line that the outward flange of planting pore described in the described central pieces of the most peripheral of described central pieces group couples together surrounds be that territory, hair-fields is planted by central authorities, the total radical forming the bristle of described central pieces group is that gross density is planted by central authorities divided by the numerical value that the area that territory, hair-fields is planted by described central authorities obtains, the region surrounded by the ringed line that implanting has the outward flange of planting pore described in the described outside pieces of the most peripheral of the described outside pieces group being positioned at a side to couple together is plant territory, hair-fields outside first, the region surrounded by the ringed line that implanting has the outward flange of planting pore described in the described outside pieces of the most peripheral of the described outside pieces group being positioned at the opposing party to couple together is plant territory, hair-fields outside second, the total radical of bristle forming described pair of outside pieces group is that gross density is planted in outside divided by planting the numerical value that the area sum of planting territory, hair-fields outside the area and described second in territory, hair-fields obtains outside described first, outside is planted gross density and is planted gross density divided by central authorities and represent the ratio of planting gross density, this ratio of planting gross density is 1.6 ~ 6.0, therefore, the high spatter property in contiguous sense to the gentleness of gum and neck portion can be taken into account.
By toothbrush of the present invention, because the diameter in the cross section intersected vertically with its length direction of described central pieces is 1.0 ~ 1.6mm, the numerical value that the sectional area of the described central pieces that the sectional area of the described outside pieces intersected vertically with the length direction of described outside pieces intersects vertically divided by the length direction with described central pieces obtains is more than 1.8, therefore, the while of making better to the contiguous sense of gum, the spatter property in neck portion can be improved further.
By toothbrush of the present invention, because the length of planting described in described central pieces on hair side is longer than the length of planting on hair side described in the pieces of described outside, therefore, the top of described central pieces becomes and easily enters oral pocket, between cog portion, can improve the spatter property in neck portion further.
The bristle that both sides in described central pieces and described outside pieces or wherein a side diminish gradually containing oriented bristle tips diameter, therefore, the top forming the bristle of described central pieces or described outside pieces becomes and easily enters oral pocket, between cog portion, can improve the spatter property in neck portion further.
Accompanying drawing explanation
Figure 1A is the top view of the brushhead of the toothbrush representing one embodiment of the present invention.
Figure 1B is the side view of the brushhead of the toothbrush representing one embodiment of the present invention.
Fig. 2 is the side view of the bristle that the toothbrush of Figure 1A and Figure 1B uses.
Symbol description:
1 toothbrush
2 handle bodies
4 brushhead
5 plant hair side
Pore is planted by 10 central authorities
Territory, hair-fields is planted by 11 central authorities
12 central pieces
13 central bristle
14 central pieces groups
Pore is planted outside 20
Territory, hair-fields is planted outside 21a first
Territory, hair-fields is planted outside 21b second
Pieces outside 22
Bristle outside 23
Pieces group outside 24a first
Pieces group outside 24b second
O axis
Detailed description of the invention
Below, with reference to accompanying drawing, toothbrush of the present invention is described.Figure 1A is the top view of the brushhead of the toothbrush 1 represented involved by one embodiment of the present invention, and Figure 1B is the side view of the brushhead of toothbrush 1 involved by one embodiment of the present invention.
As shown in Figure 1A and 1B, toothbrush 1 has handle body 2, and handle body 2 schematic configuration is comprise the grip part (not shown) of elongate and be arranged on the brushhead 4 on top of described grip part.In Figure 1A, symbol O refers to the axis of handle body 2, is namely the line at the center on the length direction of handle body 2 and by handle body 2.
Roughly rectangular shape when brushhead 4 makes that to be long limit overlook with axes O direction, what the arbitrary face of brushhead 4 became implanting pieces plants hair side 5.Planting on hair side 5, in axes O and along axes O be formed with 23 staggered bottomed cylindricals central authorities plant pore 10, this more than 2 plant in pore 10, implanting has more than 2 pricked by central bristle 13 to restraint into roughly columned central pieces 12, thus forms central pieces group 14.
In addition, planting on hair side 5, namely on the direction intersected vertically with axes O, be clamped with central authorities in its width direction and plant pore 10, and be formed with 12 along axes O and have the outside of bottom tube-like to plant pore 20, outside this, plant implanting in pore 20 has more than 2 pricked by outside bristle 23 to restraint into roughly columned outside pieces 22.Further, planting on hair side 5, pieces group 24a outside forming first by 6 the outside pieces 22 arranged along the lateral edges 6 of brushhead 4, pieces group 24b outside forming second by 6 the outside pieces 22 arranged along the lateral edges 7 of brushhead 4.
The staple length tl planting the length on hair side 5 as central pieces 12 is longer than the staple length t2 planting the length on hair side 5 as outside pieces 22.
Represent that territory, hair-fields 11 is planted by the central authorities being provided with the region of central pieces group 14 planting hair side 5 is formed with, it is by the region that will plant ringed line that the outward flange that has the central authorities of the central pieces 12 of the most peripheral being positioned at central pieces group 14 to plant pore 10 couples together and surround that territory, hair-fields 11 is planted by central authorities.In addition, this ringed line forms adjacent central authorities and plants common tangent between pore 10.
Plant hair side 5 is formed represent be provided with the region of pieces group 24a outside first first outside plant territory, hair-fields 21a, planting territory, hair-fields 21a outside first is the region that will plant ringed line that the outward flange that has the outside of the pieces 22 in the outside of pieces group 24a outside formation first to plant pore 20 couples together and surround.
In addition, this ringed line is formed in outside adjacent in pieces group 24a outside first and plants common tangent between pore 20.
In addition, plant hair side 5 is formed represent be provided with the region of pieces group 24b outside second second outside plant territory, hair-fields 21b, planting territory, hair-fields 21b outside second is the region that will plant ringed line that the outward flange that has the outside of the outside pieces 22 of pieces group 24b outside formation second to plant pore 20 couples together and surround.In addition, this ringed line is formed in outside adjacent in pieces group 24b outside second and plants common tangent between pore 20.
The material of handle body 2 can consider that toughness, mechanical property etc. required by toothbrush 1 decide, and such as, by using crooked elastic rate (JIS K7203) high hardness resin within the scope of 500 ~ 3000MPa, can obtain the mechanical property required for toothbrush 1.As such high hardness resin, list such as polypropylene (PP), PET (PET), polycaprolactam (PCT), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), cellulose propionate (CP), polyarylate, Merlon and acrylonitrile-styrene (AS) etc., what can use in these is one kind or two or more.
The size of brushhead 4 can be considered in decisions such as intraoral operability, and such as making width W is 10 ~ 15mm, and thickness T is 4 ~ 8mm.
The diameter R1 that pore 10 is planted by central authorities can decide according to the diameter in the cross section intersected vertically with length direction of the diameter of central pieces 12, i.e. central pieces 12, such as, make 1.0 ~ 1.6mm.In the present embodiment, the diameter R1 that pore 10 is planted by whole central authorities is roughly equal to.Roughly equivalent refer to whole diameter R1 be comprised in ± scope of 5% in.
In addition, the diameter R2 that pore 20 is planted in outside can decide according to the diameter of outside pieces 22, such as, make 1.8 ~ 2.4mm.In the present embodiment, the diameter R2 that pore 20 is planted in whole outsides is roughly equal to.Roughly equivalent refer to whole diameter R2 be comprised in ± scope of 5% in.
In Figure 1A, although the quantity that pore 10 is planted by central authorities is 23, the present invention is not limited thereto.The quantity that pore 10 is planted by central authorities can decide according to the shape of planting hair side, is preferably 18 ~ 28.
In addition, in figure ia, although the quantity that pore 20 is planted in outside is 12, the present invention is not limited thereto.The quantity that pore 20 is planted in outside can determine according to the shape of planting hair side, is preferably 8 ~ 16.
The staple length tl of central authorities' pieces 12 can consider the decisions such as the material of central bristle 13 and thickness, such as, make 6 ~ 15mm.
The diameter in the cross section intersected vertically with length direction of pieces diameter r1, the i.e. central pieces 12 of central authorities' pieces 12 is not particularly limited, preferably 1.0 ~ 1.6mm, more preferably 1.2 ~ 1.4mm.The pieces diameter r1 of central authorities' pieces 12 is when more than 1.0mm, bristle stiffness as central pieces 12 uprises, the spatter property in neck portion improves, the pieces diameter r1 of central authorities' pieces 12 is when below 1.6mm, the top ends of central authorities' pieces 12 becomes easily that fine fraction invades to oral pocket, between cog portion etc., and spatter property improves.
In the present embodiment, the pieces diameter rl of whole central pieces 12 is roughly equal to.Roughly equivalent refer to whole diameter rl be comprised in ± scope of 5% in.
The radical of the central bristle 13 of every 1 central pieces 12 can consider that the bristle diameter etc. of central bristle 13 decides, such as, make 10 ~ 30.
In addition, the pieces diameter r1 of central pieces 12 is the diameters with the interface of planting hair side 5, and the diameter R1 that pore 10 is planted by the pieces diameter r1 of central pieces 12 and central authorities is roughly equivalent.Roughly be equal to and refer to the difference in ± 5%.
Central authorities' pieces group 14 plant gross density, value (gross density is planted by central authorities) that total radical of namely forming the central bristle 13 of central pieces group 14 obtains divided by the area that territory, hair-fields 11 is planted by central authorities is not particularly limited, such as, be preferably 4 ~ 11/mm
2, be preferably 6 ~ 9/mm
2.When gross density is planted less than 4/mm by central authorities
2time, cannot mutually support between central authorities' pieces 14 when brush is swept, the hardness of bristle reduces and the spatter property in neck portion is declined.Gross density is planted more than 11/mm by central authorities
2time, the interference between the central pieces 14 adjacent when brush is swept becomes large, and the actions such as the flexure of central pieces 14, by extra-inhibitory, hinder central bristle 13 and enter neck portion.
As shown in Figure 2, central bristle 13 is roughly cylindric, and it is the so-called taper hair that the diameter of top ends diminishes gradually from base portion 13b to top 13a.
The material of central bristle 13 is not particularly limited, and can use the such as polyamide such as 6-12 nylon and 6-10 nylon; The polyester such as PET, polybutylene terephthalate (PBT) (PBT) and PTT (PTT); The polyolefin such as PP; And the synthetic resin material such as polyolefin elastomer and ethene based elastomers.In addition, also these resin materials of more than 2 can be carried out combining using, such as, also can adopt different resin materials as core sheath structure etc. is this at core and sheath portion.
The bristle diameter of central bristle 13 can consider the decisions such as the material of central bristle 13, such as, make 6 ~ 9mil(1mil=1/1000inch=0.025mm).If at more than 6mil, just guarantee to clean well the bristle stiffness in neck portion, if at below 9mil, just guarantee to relax the flexibility to the stimulation of gum etc.In addition, the bristle diameter of taper hair be just before diminishing gradually to top 13a diameter, i.e. the diameter of the base portion 13b of top ends.
Planting length on hair side 5 and staple length t2 and can considering that the material of outside bristle 23 and thickness etc. decide of outside pieces 22, such as, make 6 ~ 13mm.
The staple length difference t3 of the staple length tl of central pieces 12 represented by following (1) formula and the staple length t2 of outside pieces 22 is preferably more than 0.3mm below 2.0mm, is more preferably 0.5 ~ 1.5mm.As long as tl > is t2, just can realize improving the spatter property in neck portion and the contiguous sense to gum further.
Staple length difference t3(mm)=staple length tl(mm)-staple length t2(mm) ... (1)
Although the pieces diameter r2 of outside pieces 22, the i.e. diameter in the cross section intersected vertically with length direction of outside pieces 22 are not particularly limited, preferably 1.8 ~ 2.4mm, more preferably 2.0 ~ 2.2mm.When the pieces diameter r2 of outside pieces 22 is less than 1.8mm, when brush is swept, can not disperse, from the top of outside pieces 22 to the pressure of gum, to the stimulation grow of gum, to decline to the contiguous sense of gum.When the pieces diameter r2 of outside pieces 22 is more than 2.4mm, outside bristle 23 with form identical outside pieces 22 other outside the interference of bristle 23 become excessive, the free degree of action is impaired, and gentle contiguous sense is reduced.
In the present embodiment, the pieces diameter r2 of whole outside pieces 22 is roughly equal to.Roughly equivalent refer to whole diameter r2 be comprised in ± scope of 5% in.
The radical of the outside bristle 23 of every 1 outside pieces 22 can consider that the bristle diameter etc. of outside bristle 23 decides, such as, be 50 ~ 200.
In addition, the pieces diameter r2 of outside pieces 22 is the diameters with the interface of planting hair side 5, and the diameter R2 that pore 20 is planted in the pieces diameter r2 of outside pieces 22 and outside is roughly equivalent.
The ratio of the sectional area (central pieces sectional area) intersected vertically with length direction of the sectional area (outside pieces sectional area) intersected vertically with length direction of outside pieces 22 and central pieces 12, be namely preferably more than 1.8 with the pieces sectional area ratio that ［ outside pieces sectional area ］/［ central pieces sectional area ］ represents, more preferential 1.8 ~ 5.0, particularly preferably 2.5 ~ 4.0.When for more than 1.8 time, the pieces diameter of outside pieces 22 can not be too small, can fully disperse from the top of outside pieces 22 to gum applied pressure, improve contiguous sense.In addition, the pieces diameter of central pieces 12 can not be excessive, and the top ends of central pieces 12 becomes and easily enters oral pocket, between cog portion, improves the spatter property in neck portion.When for less than 5.0 time, the pieces diameter of central pieces 12 compares the pieces diameter of outside pieces 22 can not be too small, and the bristle stiffness of central pieces 12 uprises and improves the spatter property in neck portion.In addition, outside pieces 22 can not be excessive, and the intensity of the operability broadening brought by the width of brushhead and brushhead improves.
In addition, central pieces sectional area is the sectional area of central pieces 12 and the junction section of planting hair side 5, and the aperture area that pore 10 is planted by central pieces sectional area and central authorities is roughly equivalent.Outside pieces sectional area is outside pieces 22 and the sectional area of planting the junction section between hair side, and the aperture area that pore 20 is planted in outside pieces sectional area and outside is roughly equivalent.
Outside first pieces group 24a plant gross density, the numerical value that the total radical namely forming the outside bristle 23 of pieces group 24a outside first obtains divided by the area of planting territory, hair-fields 21a outside first is preferably 10/mm
2above, more preferred 15/mm
2above.Outside first, pieces group 24a's plants gross density less than 10/mm
2time, be difficult to the top of dispersion from outside pieces 22 when brushing and sweeping to gum applied pressure.
Outside second pieces group 24b plant gross density, outside the numerical value and first that the total radical namely forming the outside bristle 23 of pieces group 24b outside second obtains divided by the area of planting territory, hair-fields 21b outside second pieces group 24a to plant gross density identical.
Outside first, the gross density of planting of pieces group 24a can be identical with the gross density of planting of pieces group 24b outside second, also can be different.But, when brush is swept, from for intraoral up and down the gum of either party all guarantee the viewpoint of gentle contiguous sense, be preferably pieces group 24a outside first plant gross density and pieces group 24b outside second to plant gross density roughly the same.In addition, roughly equivalently refer to that the ratio with ［ outside first, pieces group plants gross density ］/［ outside second, pieces group plants gross density ］ represents is 0.95 ~ 1.05.
The total radical forming the outside bristle 23 of pieces group 24b outside second is identical with total radical of the outside bristle 23 forming pieces group 24a outside first.
The total radical forming the outside bristle 23 of pieces group 24a outside first can be identical with total radical of the outside bristle 23 forming pieces group 24b outside second, also can be different.But, when brush is swept, from guarantee for intraoral up and down the gum of either party all guarantee the viewpoint of gentle contiguous sense, the total radical being preferably the outside bristle 23 of pieces group 24b outside total radical of the outside bristle 23 of pieces group 24a outside formation first and formation second is roughly the same.
In addition, roughly equivalently refer to that the ratio that represents with ［ forming total radical of the outside bristle of pieces group outside first ］/［ forming total radical of the outside bristle of pieces group outside second ］ is for 0.95 ~ 1.05.
Total radical of the total radical forming the outside bristle 23 of pieces group 24a outside first and the outside bristle 23 forming pieces group 24b outside second and divided by plant the area of territory, hair-fields 21b outside the area and second of planting territory, hair-fields 21a outside first with obtained numerical value (gross density is planted in outside) preferably such as 10/mm
2above, more 15/mm is preferably
2above.Gross density is planted less than 10/mm in outside
2time, be difficult to the top of dispersion from outside pieces 22 when brushing and sweeping to gum applied pressure.
Be 1.6 ~ 6.0 with the ratio of planting gross density that ［ gross density is planted in outside ］/［ gross density is planted by central authorities ］ represents, be preferably 1.8 ~ 4.0, be more preferably 2.0 ~ 3.5.When the ratio of planting gross density is more than 1.6, improve gentle contiguous sense due to the pressure drop dispersion of outside pieces group, the density due to central pieces too much improves the spatter property in neck portion.When the ratio of planting gross density is below 6.0, the bristle stiffness of central pieces group 14 uprises, and the spatter property in neck portion improves.That is, as long as in above-mentioned scope, taking into account the contiguous sense of the gentleness of gum and the good spatter property in neck portion can just be realized.
Outside bristle 23 is identical with central bristle 13, and its top ends is the taper hair that close diameter diminishes gradually to top.
The material of outside bristle 23 is identical with the material of central bristle 13.
In addition, the material of central bristle 13 can be identical with the material of outside bristle 23, also can be different.
The bristle diameter of outside bristle 23 can consider the decisions such as the material of outside bristle 23, such as, make 4 ~ 7mil.If more than 4mil, just can obtain sufficient independence, if at below 7mil, just fully can relax the stimulation to gum.
In addition, the bristle diameter of outside bristle 23 is preferably less than the bristle diameter of central bristle 13.By this formation, in brush is swept, relax the stimulation to gum by the outside bristle 23 easily contacting gum, and improve the spatter property to neck portion by central bristle 13.
The manufacture method of toothbrush 1 of the present invention can use known method, include, for example following method: be two by bristle one folding, the lenticular wire be sandwiched between it is thrown into plant pore plant hair using the flat wire type planting pieces, the lower end of pieces is pressed into as plant fix in the molten resin in mao portion hot fusing method, the lower end of pieces is added thermosetting molten mass rear inject molten resin to be shaped in mould plant mao in-molded method etc. in portion.
Pass through present embodiment, the substantial middle of planting hair side is provided with central pieces group, and the both sides of central pieces group are provided with pair of outside pieces group, and because the ratio of planting gross density makes 1.6 ~ 6.0, so, plant the higher outside pieces group contact gum of gross density when brushing and sweeping and while giving soft contiguous sense, neck portion can be cleaned well by forming the central bristle of planting the lower central pieces group of gross density.This is that outside pieces group owing to easily contacting gum when brush is swept has and higher plants gross density, so disperseed from the top of outside pieces gum applied pressure, can relax the stimulation to gum.
In addition, due to central pieces group, to plant gross density compared with the pieces group of outside lower, so ensure that the free degree of the action of each central bristle, central bristle expressly can enter oral pocket, between cog portion and carry out good cleaning to neck portion.In addition, because the action of central bristle is by pair of outside pieces group moderate control, so central bristle ensure that except the bristle stiffness needed for denude, neck portion can be cleaned well.
By present embodiment, because central pieces is longer than the staple length of outside pieces, therefore, easily enter oral pocket, between cog portion, the spatter property in neck portion can be improved further.
By present embodiment, because central bristle and outside bristle are taper hairs, therefore, central bristle or outside bristle easily enter oral pocket, between cog portion, can improve the spatter property in neck portion further.
The invention is not restricted to above-mentioned embodiment.In the above-described embodiment, central pieces is made roughly cylindric, and such as, being oval oval column when can be and overlook, be the polygon column of triangle, quadrangle and pentagon etc. when also can be and overlook.In addition, when the shape of central pieces be roughly cylindric beyond shape, its pieces diameter is the positive diameter of a circle circumscribed with shape when overlooking.
In addition, equally, being oval oval column when can be and overlook, be the polygon columns such as triangle, quadrangle and pentagon when also can be and overlook for outside pieces and central pieces.
In the above-described embodiment, it is bottomed cylindrical that pore is planted by central authorities, but, the shape that pore is planted by central authorities can determine according to the shape of central pieces, it is oval have bottom tube-like that such as central authorities plant when pore can be and overlook, when also can be and overlook be triangle, quadrangle and pentagon etc. have the polygon tubular in the end etc.
In addition, pore and central authorities are planted in outside, and to plant pore same, and when can be and overlook being oval has bottom tube-like, is that triangle, quadrangle and pentagon etc. have the polygon tubular in the end etc. when also can be and overlook.
In the above-described embodiment, although the diameter that pore is planted by whole central authorities is roughly equal, but the present invention is not limited thereto, it is mutually different to be that the diameter of pore is planted by whole central authorities, it is different with the diameter that pore is planted by other central authorities also can be that the diameter of pore is planted by the central authorities of a part.
In addition, in the above-described embodiment, although the diameter that pore is planted in whole outsides is roughly equal, the present invention is not limited thereto, it is mutually different to be that the diameter of pore is planted in whole outsides, and it is different with the diameter that pore is planted in other outside also can be that the diameter of pore is planted in the outside of a part.
In the above-described embodiment, although central bristle is taper hair, the present invention is not limited thereto, such as central bristle can be the hair along its length direction uniform diameter, also top can be made hemisphere face or the face parallel with planting hair side.But from the viewpoint easily making it enter oral pocket or between cog portion, the central bristle being preferably a part for central pieces is taper hair, and the whole central bristle being more preferably central pieces is taper hair.
In addition, outside bristle and central bristle equally, can being the hairs along its length direction uniform diameter, also top can being made hemisphere face or the face parallel with planting hair side.But from the viewpoint of the contiguous sense gentleness made gum, the outside bristle being preferably a part for outside pieces is taper hair, and the whole outside bristle being more preferably outside pieces is taper hair.
In addition, also can be that either party in central bristle or outside bristle is made up of taper hair.
In the above-described embodiment, although central bristle and outside bristle are roughly columned taper hair, are oval oval column when central bristle and outside bristle also can be and overlook, are the polygon columns etc. such as triangle, quadrangle and pentagon when overlooking.In addition, central bristle or outside bristle be roughly cylindric beyond shape time, its bristle diameter is the circumscribed true diameter of a circle of shape when overlooking with it.
In the above-described embodiment, although the staple length of central pieces is longer than the staple length of outside pieces, can be such as that the staple length of central pieces is identical with the staple length of outside pieces, namely staple length difference is 0mm, also can be that the staple length of central pieces is shorter than the staple length of outside pieces.In addition, also the staple length of central pieces and outside pieces can be set to: the shape connecting the top of this pieces is on the axis direction of handle body, repeat the male and fomale(M&F) of peak portion and valley.
But from the clean viewpoint of carrying out neck portion well, the staple length being preferably central pieces is longer than the staple length of outside pieces.
In the above-described embodiment, although central pieces group is central pieces planted into staggered pieces group, such as it also can be that central pieces is planted into the pieces group of checkerboard grid shape.In addition, central pieces group is made up of 23 central pieces, but the quantity forming the central pieces of central pieces group can below 22, also can more than 24.
In the above-described embodiment, outside first or second, pieces group is made up of 6 outside pieces, but the outside pieces such as forming pieces group outside first or second can below 5, also can more than 7.
In addition, the quantity forming the outside pieces of pieces group outside first can be identical with the quantity of the outside pieces forming pieces group outside second, also can be different.
In the above-described embodiment, outside first and second, pieces group is pieces group pieces spread configuration on the axis direction of handle body in outside being become 1 row, such as, but the present invention is not limited thereto, outside first or second, pieces group also can be that outside pieces is planted as checkerboard grid shape, staggered pieces group.But, from increase as far as possible pieces group outside formation first and second outside pieces pieces diameter, improve the viewpoint of the contiguous sense to gum, preferably, pieces group is the pieces group that pieces spread configuration on the axis direction of handle body in outside becomes 1 row outside first and second.
In the above-described embodiment, although the outside implanting of planting territory, hair-fields in central authorities has outside pieces, as long as outside pieces clamps central pieces and arranges, such as, its part is positioned at central authorities to plant territory, hair-fields also passable.
In the above-described embodiment, although the pieces diameter of whole central pieces is roughly equal to, the pieces diameter of such as central pieces also can be mutual difference.But from the suitable viewpoint controlling the bristle stiffness of central pieces, the pieces diameter being preferably whole central pieces is roughly the same.
In addition, in the above-described embodiment, although the pieces diameter of whole outside pieces is roughly equal to, such as the mutual difference of pieces diameter of outside pieces is also fine.But from making viewed from even on the pieces of each outside to gum applied pressure by the top of outside pieces, the to make outside pieces group entirety viewpoint of contiguous sense gentleness, preferably, the pieces diameter of whole outside pieces is roughly the same.
Embodiment:
Evaluation method:
About the toothbrush of each embodiment, with the spatter property in following method evaluation contiguous sense and neck portion.In addition, the spatter property in neck portion is evaluated by " neck portion inserts true feeling " and " neck portion cleans true feeling ".
The evaluation > of < contiguous sense
Contiguous sense is the toothbrush being used each embodiment by 10 experimental subjects, evaluates with the contiguous sense of following evaluation criterion to gum.The average mark of 10 experimental subjects is more than 2.5 points " A ", and average mark is more than 2.0 points and be divided into " B " lower than 2.5, and average mark is more than 1.5 points and be divided into " C " lower than 2.0, and average mark is divided into " D " lower than 1.5.
Metewand:
3 points: do not have gum pain, contiguous sense is very good.
2 points: do not have gum pain, contiguous sense is good.
1 point: gum feels faint pain.
0 point: gum feels strong pain.
< neck portion inserts the evaluation > of true feeling
It is the toothbrush being used each embodiment by 10 experimental subjects that neck portion inserts true feeling, evaluates with the insertion true feeling of following evaluation criterion to neck portion.The average mark of 10 experimental subjects is more than 2.5 points " A ", and average mark is more than 2.0 points and be divided into " B " lower than 2.5, and average mark is more than 1.5 points and be divided into " C " lower than 2.0, and average mark is divided into " D " lower than 1.5.
Metewand:
3 points: strongly feel that bristle tips touches the sense of touch between the gap of tooth and gum.
2 points: feel that bristle tips touches the sense of touch between the gap of tooth and gum.
1 point: not too feel that bristle tips touches the sense of touch between the gap of tooth and gum.
0 point: imperceptible bristle tips touches the sense of touch between the gap of tooth and gum.
< neck portion cleans the evaluation > of true feeling
It is the toothbrush being used each embodiment by 10 experimental subjects that neck portion cleans true feeling, evaluates with the clean true feeling of following evaluation criterion to neck portion.The average mark of 10 experimental subjects is more than 2.5 points " A ", and average mark is more than 2.0 points and be divided into " B " lower than 2.5, and average mark is more than 1.5 points and be divided into " C " lower than 2.0, and average mark is divided into " D " lower than 1.5.
Metewand:
3 points: the sensation that the dirt between the gap of strongly feeling tooth and gum drops.
2 points: the sensation that the dirt between the gap of feeling tooth and gum drops.
1 point: the sensation that the dirt between the gap of not too feeling tooth and gum drops.
0 point: the sensation that the dirt between the gap of imperceptible tooth and gum drops.
Embodiment 1 ~ 5, comparative example 1 ~ 2:
According to the specification shown in table 1, and the toothbrush 1 of Figure 1A and Figure 1B similarly, makes the toothbrush that implanting has taper hair (PBT system).This toothbrush have by plant into staggered central pieces the central pieces group that forms and the central pieces group of clamping by outside pieces form pair of outside pieces group.Outside first, outside pieces group and second, pieces group is made up of the outside pieces of equal amount respectively.
In table, " the central bristle quantity of each central pieces " refers to the quantity of the central bristle of formation 1 central pieces, and " the outside brush amount of each outside pieces " refers to the quantity of the outside bristle of formation 1 outside pieces.The specification of outside pieces group records as the combination of pieces group outside pieces group and second outside first.
About the toothbrush of obtained each embodiment, evaluate contiguous sense, neck portion inserts true feeling and neck portion cleans true feeling, its result represents in Table 1.
Table 1:
As shown in table 1, be suitable for embodiments of the invention 1 ~ 5, contiguous sense, the evaluation that neck portion inserts true feeling, neck portion cleans true feeling are all " A " or " B ".On the other hand, the ratio of planting gross density is in the comparative example 1 of 1.2, and the evaluation that contiguous sense, neck portion insertion true feeling and neck portion clean true feeling is " C ".In addition, the ratio of planting gross density is in the comparative example 2 of 6.1, and the evaluation of contiguous sense is " A ", but the evaluation that neck portion insertion true feeling and neck portion clean true feeling is " C ".
Can judge from this result, by applicable the present invention, can realize taking into account the contiguous sense of the gentleness of gum and the spatter property in neck portion.
Industrial utilizability
By adopting the present invention, a kind of toothbrush making that the contiguous sense of gum gentleness and the high spatter property in neck portion are taken into account can be provided.
Claims (5)
1. a toothbrush, has the handle body being provided with brushhead on top, and have the pieces of bristle in the implanting in pore of planting of more than 2 of planting on hair side being formed at described brushhead, the feature of this toothbrush is,
Described hair side of planting has: by spread configuration on the axis direction of described handle body and the central pieces group that forms of the central pieces of more than 2 of planting the substantial middle of hair side described in being positioned at; And the pair of outside pieces group to be made up of the outside pieces of more than 2 clamp described central pieces group on the direction of the intersect vertical axis with described handle body planted,
Implanting is had to be positioned at the region that ringed line that the outward flange of planting pore described in the described central pieces of the most peripheral of described central pieces group couples together surrounds be that territory, hair-fields is planted by central authorities, the total radical forming the bristle of described central pieces group is that gross density is planted by central authorities divided by the numerical value that the area that territory, hair-fields is planted by described central authorities obtains
The region surrounded by the ringed line that implanting has the outward flange of planting pore described in the described outside pieces of the most peripheral of the described outside pieces group being positioned at a side to couple together is plant territory, hair-fields outside first, the region surrounded by the ringed line that implanting has the outward flange of planting pore described in the described outside pieces of the most peripheral of the described outside pieces group being positioned at the opposing party to couple together is plant territory, hair-fields outside second, the total radical of bristle forming described pair of outside pieces group is that gross density is planted in outside divided by planting the numerical value that the area sum of planting territory, hair-fields outside the area and described second in territory, hair-fields obtains outside described first,
Outside is planted gross density and is planted gross density divided by central authorities and represent the ratio of planting gross density, and this ratio of planting gross density is 1.6 ~ 6.0.
2. toothbrush according to claim 1, is characterized in that,
The diameter in the cross section intersected vertically with its length direction of described central pieces is 1.0 ~ 1.6mm,
The numerical value that the sectional area of the described central pieces that the sectional area of the described outside pieces intersected vertically with the length direction of described outside pieces intersects vertically divided by the length direction with described central pieces obtains is more than 1.8.
3. toothbrush according to claim 2, it is characterized in that, the numerical value that sectional area obtains of the described central pieces that the sectional area of the described outside pieces intersected vertically with the length direction of described outside pieces intersects vertically divided by the length direction with described central pieces is 1.8 ~ 5.0.
4. the toothbrush according to any one of claim 1-3, is characterized in that, the length of planting described in described central pieces on hair side is longer than the length of planting on hair side described in the pieces of described outside.
5. the toothbrush according to any one of claim 1-3, is characterized in that, the bristle that the both sides in described central pieces and described outside pieces or wherein a side diminish gradually containing oriented bristle tips diameter.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010177779A JP5947480B2 (en) | 2010-08-06 | 2010-08-06 | toothbrush |
| JP2010-177779 | 2010-08-06 | ||
| PCT/JP2011/067345 WO2012017923A1 (en) | 2010-08-06 | 2011-07-28 | Toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103052338A CN103052338A (en) | 2013-04-17 |
| CN103052338B true CN103052338B (en) | 2015-06-10 |
Family
ID=45559424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180038360.5A Active CN103052338B (en) | 2010-08-06 | 2011-07-28 | Toothbrush |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP5947480B2 (en) |
| KR (1) | KR101786155B1 (en) |
| CN (1) | CN103052338B (en) |
| MY (1) | MY164124A (en) |
| TW (1) | TWI516226B (en) |
| WO (1) | WO2012017923A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU210390U1 (en) * | 2021-10-12 | 2022-04-14 | Анастасия Николаевна Борисова | TOOTHBRUSH |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013164986A1 (en) * | 2012-05-01 | 2013-11-07 | ライオン株式会社 | Toothbrush |
| JP6170835B2 (en) * | 2013-12-26 | 2017-07-26 | ライオン株式会社 | Toothbrush and electric toothbrush |
| USD754443S1 (en) | 2014-06-11 | 2016-04-26 | Colgate-Palmolive Company | Oral care implement |
| JP6511229B2 (en) * | 2014-06-27 | 2019-05-15 | 小林製薬株式会社 | toothbrush |
| JP6472956B2 (en) * | 2014-07-01 | 2019-02-20 | 小林製薬株式会社 | toothbrush |
| CA2970625C (en) | 2014-12-23 | 2023-08-15 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
| US11291293B2 (en) | 2014-12-23 | 2022-04-05 | Colgate-Palmolive Company | Oral care implement |
| CN110432643B (en) | 2014-12-23 | 2021-07-16 | 高露洁-棕榄公司 | Oral care implement |
| WO2016105356A1 (en) | 2014-12-23 | 2016-06-30 | Colgate-Palmolive Company | Oral care implement |
| CN110338553B (en) | 2014-12-23 | 2021-06-22 | 高露洁-棕榄公司 | Oral care implement having a multi-component handle |
| RU2674724C1 (en) | 2014-12-23 | 2018-12-12 | Колгейт-Палмолив Компани | Oral care implement |
| AU2014414819B2 (en) | 2014-12-23 | 2018-03-15 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
| AU2014414808B2 (en) | 2014-12-23 | 2018-04-12 | Colgate-Palmolive Company | Oral care implement |
| CA2970676A1 (en) | 2014-12-23 | 2016-06-30 | Colgate-Palmolive Company | Oral care implement |
| US11229281B2 (en) | 2014-12-23 | 2022-01-25 | Colgate-Palmolive Company | Oral care implement |
| US10743646B2 (en) | 2014-12-23 | 2020-08-18 | Colgate-Palmolive Company | Oral care implement |
| USD780457S1 (en) | 2014-12-23 | 2017-03-07 | Colgate-Palmolive Company | Oral care implement |
| JP2016209097A (en) * | 2015-04-30 | 2016-12-15 | ライオン株式会社 | toothbrush |
| JP7162409B2 (en) * | 2016-05-23 | 2022-10-28 | ライオン株式会社 | toothbrush |
| JP7199139B2 (en) * | 2016-08-03 | 2023-01-05 | ライオン株式会社 | toothbrush |
| US10631964B2 (en) | 2017-12-12 | 2020-04-28 | Colgate-Palmolive Company | Oral care implement |
| US10709533B2 (en) | 2017-12-12 | 2020-07-14 | Colgate-Palmolive Company | Oral care implement and handle and refill head thereof |
| USD891784S1 (en) | 2018-12-18 | 2020-08-04 | Colgate-Palmolive Company | Electric toothbrush handle |
| WO2020215308A1 (en) * | 2019-04-26 | 2020-10-29 | 龙昌日用品工业（南宁）有限公司 | Toothbrush of dual-layer bristle structure |
| USD960582S1 (en) | 2020-12-10 | 2022-08-16 | Colgate-Palmolive Company | Oral care refill head |
| CN112972040A (en) * | 2021-02-08 | 2021-06-18 | 好维股份有限公司 | Electric toothbrush head and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274680A1 (en) * | 1986-12-11 | 1988-07-20 | Sunstar Kabushiki Kaisha | Toothbrush |
| JP3142875U (en) * | 2008-03-25 | 2008-07-03 | 利夫 西野 | Toothbrush that brushes across the dentition |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5289257U (en) * | 1975-12-26 | 1977-07-04 | ||
| JPS60145826U (en) * | 1984-03-06 | 1985-09-27 | ライオン株式会社 | toothbrush |
| JPH1057149A (en) * | 1996-08-23 | 1998-03-03 | Kao Corp | Tooth brush |
| JP3583346B2 (en) * | 2000-04-28 | 2004-11-04 | 花王株式会社 | toothbrush |
| JP3585811B2 (en) * | 2000-06-07 | 2004-11-04 | 花王株式会社 | toothbrush |
| JP2001346632A (en) * | 2000-06-07 | 2001-12-18 | Kao Corp | Tooth brush |
| JP4076403B2 (en) * | 2002-08-30 | 2008-04-16 | 花王株式会社 | toothbrush |
| JP2005046232A (en) * | 2003-07-30 | 2005-02-24 | Kao Corp | Toothbrush and its design method |
-
2010
- 2010-08-06 JP JP2010177779A patent/JP5947480B2/en active Active
-
2011
- 2011-07-28 MY MYPI2013000358A patent/MY164124A/en unknown
- 2011-07-28 CN CN201180038360.5A patent/CN103052338B/en active Active
- 2011-07-28 KR KR1020137002089A patent/KR101786155B1/en active IP Right Grant
- 2011-07-28 WO PCT/JP2011/067345 patent/WO2012017923A1/en active Application Filing
- 2011-08-03 TW TW100127571A patent/TWI516226B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274680A1 (en) * | 1986-12-11 | 1988-07-20 | Sunstar Kabushiki Kaisha | Toothbrush |
| JP3142875U (en) * | 2008-03-25 | 2008-07-03 | 利夫 西野 | Toothbrush that brushes across the dentition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU210390U1 (en) * | 2021-10-12 | 2022-04-14 | Анастасия Николаевна Борисова | TOOTHBRUSH |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201210530A (en) | 2012-03-16 |
| MY164124A (en) | 2017-11-30 |
| TWI516226B (en) | 2016-01-11 |
| JP5947480B2 (en) | 2016-07-06 |
| WO2012017923A1 (en) | 2012-02-09 |
| KR20130061712A (en) | 2013-06-11 |
| JP2012034845A (en) | 2012-02-23 |
| KR101786155B1 (en) | 2017-10-17 |
| CN103052338A (en) | 2013-04-17 |
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