CN103391730A - Toothbrush - Google Patents
Toothbrush Download PDFInfo
- Publication number
- CN103391730A CN103391730A CN2012800103702A CN201280010370A CN103391730A CN 103391730 A CN103391730 A CN 103391730A CN 2012800103702 A CN2012800103702 A CN 2012800103702A CN 201280010370 A CN201280010370 A CN 201280010370A CN 103391730 A CN103391730 A CN 103391730A
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- China
- Prior art keywords
- pieces
- toothbrush
- bristle
- brushhead
- length
- 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
- A46B9/028—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
- 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
- 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
Abstract
Provided is a toothbrush that can satisfactorily clean an interdental region and a tooth cervix as well as a tooth surface and an occlusal surface of a molar. A toothbrush (1) has two or more bristle bundles implanted in an implantation surface (20) of a head part (2), each of which bristle bundles comprising two or more bristles. The toothbrush (1) is provided with a first bristle bundle cluster (30) and a second bristle bundle cluster (40). The first bristle bundle cluster (30) has at least one implanted first bristle bundle (32); and the second bristle bundle cluster (40) has a second bristle bundle (42) implanted around the first bristle bundle cluster (30), and opening toward a distal end or a proximal end of the head part (1). The length of the first bristle bundle (32) is shorter than the length of the second bristle bundle (42), and the buckling strength of the first bristle bundle (32) is lower than the buckling strength of the second bristle (42).
Description
Technical field
The present invention relates to a kind of toothbrush.
The application, based on advocating priority in the 2011-040060 patent application that Japan applies on February 25th, 2011, quotes its content here.
Background technology
The position (easily producing the position of corrosion) that easily produces decayed tooth is considered to molar, between cog section, tooth neck.For the cleaning molar, pay attention to occlusal surface and the flank of tooth are applied larger pressure, have high rigidity and highdensity pieces so be suitable for.On the other hand, for cleaning between cog section, tooth neck, attention can be inserted pieces the narrow and small positions such as between cog or oral pocket and soft sense of touch, the low pieces of rigidity so be suitable for thin.So, the specification of toothbrush that is applicable to clean molar, between cog section, tooth neck is different, so, in order suitably to clean these positions, need to use the toothbrush with the pieces that is applicable to respectively these positions.
, in order with a toothbrush, suitably to clean molar, between cog section, tooth neck, use the toothbrush that has made up bristle or the pieces of different-diameter or made up the pieces of different staple lengths all the time.
Such toothbrush is generally: enter the pieces that between cog or tooth neck use and form with long and soft bristle; The occlusal surface of cleaning molar and the pieces of the flank of tooth form with short and hard bristle.
For example propose to have a kind of toothbrush in patent documentation 1, the pieces that the bristle that it is not sharp-pointed cone-shaped that the tip side of its toothbrush head section and/or rear end side implantation have by top forms, the pieces that the bristle that it is sharp-pointed cone-shaped that other parts implantation have by top forms.
In addition, proposing in patent documentation 2 has a kind of toothbrush, and this toothbrush has: be configured to be U font and two heavy caliber pieces side by side at the front end near brushhead along the periphery of planting hair side; With the small-bore pieces near the backend arrangement of brushhead, the front that is enclosed in the periphery of planting mao scope of heavy caliber pieces plant the territory, hair-fields plant gross density than the front of the periphery of planting mao scope that is enclosed in small-bore pieces plant the territory, hair-fields to plant gross density large.
Proposing in patent documentation 3 has a kind of toothbrush, and it consists of the long brush hairs more than certain-length and the short bristles below certain-length, and the diameter of the tip side at least of long brush hairs forms less than the diameter of short bristles.
Propose to have a kind of toothbrush in patent documentation 4, the central portion of implanting face at brush arranges whisk broom, around described whisk broom, long brush is set, and brush integral body is spill.
The prior art document
Patent documentation 1: Japanese kokai publication hei 11-169232 communique
Patent documentation 2: TOHKEMY 2007-229065 communique
Patent documentation 3: Japanese kokai publication hei 7-143915 communique
Patent documentation 4: TOHKEMY 2000-308523 communique
Invent problem to be solved
But, in the technology of patent documentation 1～4, also fail to meet the cleaning to occlusal surface and the flank of tooth of between cog section, tooth neck and molar.
Summary of the invention
Therefore, the purpose of this invention is to provide and a kind ofly can clean well the occlusal surface of between cog section, tooth neck and molar and the toothbrush of the flank of tooth.
Be used for solving the means of problem
A kind of toothbrush, at the pieces that plants more than 2 of planting on hair side of brushhead, described pieces is tied up and is formed by the bristle more than 2, and this toothbrush has: plant the first pieces group that the first pieces more than 1 forms; And to top orientation or the proximal direction of described brushhead, plant the second pieces group that the second pieces forms with opening and surround described the first pieces group, the length of described the second pieces of the Length Ratio of described the first pieces is short, and the buckling strength of described the first pieces is lower than the buckling strength of described the second pieces.
The hair top that described the first pieces has a bristle by sharpening bristle, and the diameter of this bristle is planted hair side and is reduced gradually as the top of the position below the above 5mm of the 0mm of starting point towards bristle from using.
Described the second pieces group only forms near the ground, top of described brushhead.
Plant in described the second pieces group's the outside than the 3rd long pieces of described the second pieces, the hair top that described the 3rd pieces has a bristle by sharpening bristle, and the diameter of this bristle is planted hair side and is reduced gradually as the top of the position below the above 5mm of the 0mm of starting point towards bristle from using.
Described the second pieces by the hair top not the bristle of sharpening form.
The diameter of described the second pieces starts to the top of bristle identical from planting hair side.
The top of the bristle of described the second pieces is the plane parallel with planting hair side.
The top of the bristle of described the second pieces is rounded at hemispherical.
The staple length of the length of the length of described the second pieces and described the first pieces is poor is below the above 3mm of 0.3mm.
The buckling strength ratio that is expressed as [(buckling strength of described the first pieces)/(buckling strength of described the second pieces)] is more than 0.4 below 0.9.
The staple length of the length of the length of described the 3rd pieces and described the second pieces is poor is below the above 1.5mm of 0.2mm.
Be expressed as [(buckling strength of the pieces of the 3rd pieces)/(buckling strength of the second pieces) ］ the buckling strength ratio be more than 0.4 below 0.9.
Described the second pieces mass-planting is located at surpassing of length from the brushhead top to the brushhead cardinal extremity and is planted the territory, hair-fields below 0% and 50%.
The invention effect
, according to toothbrush of the present invention, have: plant the first pieces group that the first pieces more than 1 forms; And to top orientation or the proximal direction of brushhead, plant the second pieces group that the second pieces forms with opening and surround described the first pieces group, the length of described the second pieces of the Length Ratio of described the first pieces is short, the buckling strength of described the first pieces is lower than the buckling strength of described the second pieces, so can clean well occlusal surface and the flank of tooth of between cog section, tooth neck and molar.
According to toothbrush of the present invention, due to described the first pieces have towards its diameter of top orientation of bristle reduce gradually and the hair top by sharpening bristle, so can clean more well between cog section, tooth neck.
According to toothbrush of the present invention, because described the second pieces group only forms near the ground, top of described brushhead, so can clean more well occlusal surface and the flank of tooth of molar.
According to toothbrush of the present invention, plant three pieces longer than the length of described the second pieces in the described second pieces group outside, described the 3rd pieces have towards its diameter of top orientation of bristle reduce gradually and the hair top by sharpening bristle, so can clean more well between cog section, tooth neck.
According to toothbrush of the present invention, because described the second pieces is the not bristle of sharpening of high-quality green tea, that is, and from plant hair side start to its diameter of top of bristle identical, so can clean more well occlusal surface and the flank of tooth of molar.Here, from planting hair side, start identical the referring to of its diameter of top to bristle, the diameter of the horizontal cross-section of each bristle of described the second pieces,, from planting hair side to the whichever horizontal cross-section on the top of bristle, be identical basically.Substantially the same referring to,, due to the reason of machining accuracy etc., allow ± 10% with interior deviation.
Description of drawings
Figure 1A is the top view of the toothbrush that relates to of the first embodiment of the present invention.
Figure 1B is the side view of the toothbrush that relates to of the first embodiment of the present invention.
Fig. 2 A is the top view of the toothbrush that relates to of the second embodiment of the present invention.
Fig. 2 B is the side view of the toothbrush that relates to of the second embodiment of the present invention.
Fig. 3 A is the top view of the toothbrush that relates to of the 3rd embodiment of the present invention.
Fig. 3 B is the side view of the toothbrush that relates to of the 3rd embodiment of the present invention.
Fig. 4 A is the top view of the toothbrush that relates to of the 4th embodiment of the present invention.
Fig. 4 B is the side view of the toothbrush that relates to of the 4th embodiment of the present invention.
Fig. 5 A is the top view of the toothbrush that relates to of the 5th embodiment of the present invention.
Fig. 5 B is the side view of the toothbrush that relates to of the 5th embodiment of the present invention.
Fig. 6 A is the top view of the toothbrush that relates to of the 6th embodiment of the present invention.
Fig. 6 B is the side view of the toothbrush that relates to of the 6th embodiment of the present invention.
Fig. 7 A is the top view for the toothbrush of comparative example.
Fig. 7 B is the side view for the toothbrush of comparative example.
Fig. 8 A is the top view for the toothbrush of comparative example.
Fig. 8 B is the side view for the toothbrush of comparative example.
Fig. 9 A is the top view for the toothbrush of comparative example.
Fig. 9 B is the side view for the toothbrush of comparative example.
Figure 10 A is the top view for the toothbrush of comparative example.
Figure 10 B is the side view for the toothbrush of comparative example.
Figure 11 A is the top view for the toothbrush of comparative example.
Figure 11 B is the side view for the toothbrush of comparative example.
Symbol description
1,100,200,300,400,500 toothbrushes
2 brushhead
3 handle portion
20 plant hair side
21 brushhead tops
30,130,230,232,330,332 first pieces groups
32 first pieces
40,140,240,242,340,342,440 second pieces groups
42,442 second pieces
452 the 3rd pieces
The specific embodiment
The first embodiment:
Referring to Figure 1A and Figure 1B, the toothbrush that the first embodiment of the present invention relates to is described.
Toothbrush 1 shown in Figure 1A and Figure 1B, have brushhead 2 and prolongation is arranged at the strip handle 3 of brushhead 2, and planting on hair side 20 of brushhead 2, have the first pieces group 30 and the second pieces group 40.In Figure 1A and Figure 1B, a side's of the width of symbol 22 expression brushhead 2 lateral margin, the opposing party's of the width of symbol 24 expression brushhead 2 lateral margin.In addition, the width of brushhead 2 is, with from brushhead top 21 towards brushhead 2 with the direction of the direction quadrature of the boundary (brushhead cardinal extremity) of handle portion 3.
The first pieces group 30 is arranged at the substantial middle of planting hair side 20, and 21 start towards the brushhead cardinal extremity from the brushhead top, and with 1 of the 1st row (1 * 1 row), the mode of the 2nd～6 2 of row (2 * 5 row) has planted the first pieces 32.
The second pieces group 40, by from the brushhead top, 21 starting 7 the second pieces 42 that plant along lateral margin 22 and 21 7 the second pieces 42 that start to plant along lateral margin 24 form from the brushhead top.That is, the second pieces group 40 plants into the second pieces 42 along the periphery of brushhead 2 and surrounds the first pieces group 30 in the part except the brushhead base end side, and this second pieces group 40 is the open plane of brushhead base end side and sees roughly U word shape.Below, the part of the opening in the second pieces group is called opening portion.
In the present embodiment, between the zone with second pieces group 40 and brushhead cardinal extremity, 3 the first pieces 32 have been planted.
In addition, distance L 2 from second pieces 42 on the most close brushhead top 21 to the second pieces 42 of the most close brushhead cardinal extremity is, 7/8 distance of the distance L 1 from second pieces 42 on the most close brushhead top 21 to the first pieces 32 of the most close brushhead cardinal extremity.
The length of the first pieces 32, namely from the length of length T 1 to the second pieces 42 on the top of planting hair side 20 to first pieces 32, namely short from the length T 2 on the top of planting hair side 20 to second pieces 42.
In toothbrush 1, brushhead 2 and handle portion 3 are one-body molded as a whole for strip (following integrated brushhead 2 and handle portion 3 are called handle body), for example resin can be obtained by ejection formation as material.
The resin that forms handle body can be considered the rigidity of toothbrush 1 requirement, mechanical property etc. and determine, for example, can enumerate the high hardness resin of crooked elastic rate (JIS K7203) in the scope of 500～3000MPa., as such high hardness resin, can enumerate: such as polypropylene (PP), PET (PET), polybutylene terephthalate (PBT), polycaprolactam (PCT), polyformaldehyde (POM), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer resin (ABS), cellulose propionate (CP), polyarylate, Merlon and acrylonitrile-styrene copolymerized resin (AS) etc.Can use independent a kind or appropriate combination in these resins more than 2 kinds.
In addition, handle portion 3 also can be partly or integrally is coated with such as soft resins such as synthetic rubber.
The size of brushhead 2 can consider to determine in intraoral operability, and for example width is below the above 15mm of 10mm, and thickness is below the above 8mm of 4mm.
The buckling strength of the first pieces 32 gets final product than the buckling strength of the second pieces 42 described later is low, and is for example preferably below the above 5N of 0.5N, better below the above 3N of 1N.If not enough 0.5N, hair hardness (bounce) is too soft, and fully Sao goes out the dirt of between cog section, tooth neck.If surpass 5N, the second pieces 32 may be difficult to enter between cog section or tooth neck.
In this original text, the buckling strength of pieces is, take JIS S3016(5.3(2.2)) be standard,, by compression test, try to achieve the peak load of the pieces of physical length with pieces unit.
The length T 1 of the first pieces 32 can be considered the buckling strength of the first pieces 32 requirements, the material that forms the bristle of the first pieces 32, thickness etc. and determine, for example preferably below the above 11mm of 6mm.The length T 1 that forms the first pieces 32 of the first pieces group 30 can be all identical, also can be mutually different.In addition, the length of first pieces 32 is the length of bristle the longest in the bristle that forms the first pieces 32.
The thickness of the first pieces 32 (pieces footpath) R1 can consider the buckling strength that the first pieces 32 requires, the material that forms the bristle of the first pieces 32, thickness and determine, for example preferably below the above 2mm of 1mm.The pieces footpath R1 that forms the first pieces 32 of the first pieces group 30 can be all identical, also can be mutually different.In addition, the pieces footpath R1 of the first pieces 32 is the diameters of planting the first pieces 32 in hair side 20.
As the bristle that forms the first pieces 32, such as enumerating: from use plant hair side 20 as the above 5mm of 0mm of starting point (0mm) with upper/lower positions start towards the top end diameter of bristle diminish gradually and the hair top of described bristle by sharpening bristle (taper hair), start to the identical bristle (broad wool) of its diameter of top of bristle etc. from planting hair side 20, taper hair preferably wherein.Here, from planting hair side, start identical the referring to of its diameter of top to bristle, the diameter of the horizontal cross-section of each bristle of described the second pieces,, from planting hair side to the whichever horizontal cross-section on the top of bristle, be identical basically.Substantially the same referring to,, due to the reason of machining accuracy etc., allow ± 10% with interior deviation.
The taper hair is used for entering between cog section or tooth neck, and easily Sao goes out the dirt of between cog section or tooth neck.Described taper hair refers to, the shape in the cross section on the top direction vertical with planting hair side, that pass bristle is the bristle of shapes such as parabola, triangle.
In addition, the hair top refers to start from the position below the top 1mm of bristle the top to bristle.
, as broad wool, can enumerate: the top of bristle is that the bristle that is parallel to the plane of planting hair side 20, the top of bristle are rounded at hemispheric bristle.
At this, the top of bristle is to be parallel to the plane of planting hair side to refer to, the opposite side in the cross section of the horizontal direction on the top of each bristle is arranged essentially parallel to the opposite side of planting hair side.Substantially parallel referring to,, due to the reason of machining accuracy etc., allow ± 10% with interior deviation.
The material that forms the bristle of the first pieces 32 can be used, such as: the polyamide such as 6-12 nylon (6-12NY), 6-10 nylon (6-10NY); The polyester such as PET, PBT, PTT (PTT), PEN (PEN), PBN (PBN); The polyolefin such as PP; And the synthetic resin material of the elastomer of TPO synthetic rubber, vinyl synthetic rubber etc. etc.
Also can use these resin materials in multiple combination ground, wherein,, for easily making a mao hardness hardening, improve the getting property of Sao of tartar, preferably the mixture of multiple polyester.
In addition,, as bristle, can enumerate a kind of polyester bristle with multiple cored structure, described multiple cored structure has: core; And the few sheath section more than 1 layer that is arranged at the outside of described core.Owing to having multiple cored structure, can use different polyester at core and sheath section, so easily adjust mechanical property.Therefore, can obtain easily that mao hardness is hard, the higher bristle of getting property of Sao of tartar.
The shape of cross section of bristle that forms the first pieces 32 is preferably circular, but might not be defined in circle, can be the arbitrary shape that adapts to the purpose purposes of toothbrush 1.Such as oval, polygon (such as triangle, quadrangle, pentagon, hexagon etc.), the abnormity (such as the cloverleaf pattern of star, three leaves, the cloverleaf pattern of four leaves etc.) etc.
Thickness to the bristle that forms the first pieces 32, be not particularly limited, and for example, if cross section is circular, thereby for making a mao hardness hardening further improve Sao, gets the effect of tartar, preferably below the above 12mil of 6mil.But,, as bristle, if use bristle with multiple cored structure, bristle that polyester mixture forms, make a mao hardness hardening, even also obtaining higher Sao, not enough 6mil gets effect.
In addition, consider and use sense, sweeping sense, cleaning effect, durability etc., also can carry out any combination use by the bristle more than two that thickness is different.
The buckling strength of the second pieces 42 gets final product than the buckling strength of the first pieces 32 is high, and is for example preferably below the above 6N of 1N, better below the above 3.5N of 1.5N.If not enough 1N, hair hardness is too soft, likely produces the flank of tooth or occlusal clean feel is insufficient, if surpass 6N, the second pieces 42 is difficult to bending, and the first pieces 32 is difficult to arrive between cog section or tooth neck.
Be expressed as the buckling strength ratio of [(buckling strength of the first pieces)/(buckling strength of the second pieces)], can determine according to the function that toothbrush 1 requires, for example preferably more than 0.4 below 0.9, better below 0.8 more than 0.5., if the hair hardness of less than 0.4, the first pieces 32 is too soft, may not fully clean between cog section or tooth neck., if it is too hard to surpass the hair hardness of 0.9, the first pieces 32, may be difficult to enter between cog section or tooth neck.
The length T 1 of length T 2 to the first pieces 32 of the second pieces 42 is long to be got final product, and can consider to form the material, thickness of the bristle of the second pieces 42 and determines, for example preferably below the above 13mm of 8mm.
The poor D1 of staple length that is expressed as the length T 1 of the length T 2 of the second pieces 42 of [T2-T1] and the first pieces 32 is not particularly limited, and is for example preferably below the above 3mm of 0.3mm, better below the above 2mm of 0.5mm.If not enough 0.3mm, be difficult to obtain the first pieces 32 to the second short effects of pieces 42, if surpass 3mm, the first pieces 32 is difficult to arrive between cog section or tooth neck.
The pieces footpath R2 of the second pieces 42 is identical with the pieces footpath R1 of the first pieces 32.
As the bristle that forms the second pieces 42, for example can enumerate taper hair, broad wool, wherein best is broad wool, the top of bristle is better by the broad wool of sphering.The second pieces 42 consists of broad wool, so can clean more well occlusal surface, the flank of tooth of molar.
The material of bristle that forms the second pieces 42 is identical with the material of the bristle that forms the first pieces 32.
The shape of cross section of bristle that forms the second pieces 42 is identical with the shape of cross section of the bristle that forms the first pieces 32.
Next, the using method of the toothbrush 1 of present embodiment described.
In oral cavity, on the direction that links brushhead top 21 and brushhead cardinal extremity, toothbrush 1 is moved back and forth.For example, during the occlusal surface of cleaning molar, while the second pieces group 40 wraps into molar, slide on tooth, the second pieces 42 Sao that buckling strength is higher get the dirt that is attached to occlusal surface and the flank of tooth.And, the first pieces group 30 and occlusal surface butt, the first pieces 32 that buckling strength is lower enters occlusal tiny recess, between cog section goes out dirt Sao.In addition, during the flank of tooth of cleaning cheek side (outside) or tongue side (inboard), with brushhead 2 when operating in oral cavity with pulling out, because the second pieces group's 40 brushhead cardinal extremity is open, thus the first pieces 32 preferentially with the tooth butt.Then, the first pieces 32 is because buckling strength is lower, thus easily bending, thus enter between cog section or tooth neck, and Sao goes out dirt.In addition, when brushhead 2 is inserted intraoral inner ground operation, the second pieces 42 preferentially with the tooth butt.Then, 42 pairs of flank of tooth of the second pieces that buckling strength is higher apply strong pressure, thereby Sao gets dirt well.
, according to present embodiment, have: planted the first pieces group 30 who forms by the first pieces 32; And planted the second pieces group 40 who forms by the second pieces 42, this the second pieces group 40 opens and surrounds the first pieces group 30 to the direction on brushhead top 21 or the direction of brushhead cardinal extremity, because the length of Length Ratio second pieces 42 of the first pieces 32 is short, the buckling strength of the first pieces 32 is lower than the buckling strength of the second pieces 42, so can clean well occlusal surface and the flank of tooth of between cog section, tooth neck and molar.
And, are taper hairs if form the bristle of the first pieces 32, can clean more well the recess of between cog section, tooth neck or bite.
Further, are broad wool if form the bristle of the second pieces 42, the second pieces 42 can apply stronger pressure to occlusal surface, the flank of tooth, thus Sao gets dirt more well.
The second embodiment:
Referring to Fig. 2 A and Fig. 2 B, the toothbrush that the second embodiment of the present invention relates to is described.
In addition, for the identical symbol of the structure tag identical with the first embodiment and the description thereof will be omitted, mainly the point different from the first embodiment described.
In toothbrush 100, distance L 3 from second pieces 42 on the most close brushhead top 21 to the second pieces 42 of the most close brushhead cardinal extremity is, the distance below 1/2 from second pieces 42 on the most close brushhead top 21 to the distance L 1 of the first pieces 32 of the most close brushhead cardinal extremity.And between the zone with second pieces group 140 and brushhead cardinal extremity, the first pieces 32 starts to be listed as with 4 * 3 successively from brushhead top 21 sides, and the mode of 3 * 1 row plants.
Namely, in the present embodiment, the second pieces group 140 only is formed at from brushhead top 21 towards the zone below 50% of the length of planting the territory, hair-fields of brushhead cardinal extremity,, in the zone more than 50% of the length of planting the territory, hair-fields from the brushhead cardinal extremity towards brushhead top 21, only plants the first pieces 32.
Namely, with respect to the length from brushhead top 21 to the brushhead cardinal extremity, surpassing 0% and planting in the territory, hair-fields below 50%, only be formed with the second pieces group 140,, with respect to the length from brushhead top 21 to the brushhead cardinal extremity, planting in the territory, hair-fields below 100% more than 50%, only planted the first pieces 32.
In addition, 50% plant in the territory, hair-fields in the length from brushhead top 21 to the brushhead cardinal extremity, plant any one party of described the second pieces or described the first pieces, perhaps described the second pieces and described the first bundle.
The toothbrush 100 of present embodiment, owing to only near brushhead top 21, the second pieces group 140 being set, so can be by occlusal surface, the flank of tooth of higher pressure cleaning molar.And, due to the zone more than 50% of planting the territory, hair-fields from the brushhead cardinal extremity towards brushhead top 21, namely in the length from brushhead top 21 to the brushhead cardinal extremity, plant the territory, hair-fields more than 50% below 100%, only plant the first soft pieces 32 of hairiness hardness, so be fit to cleaning between cog section or tooth neck.
The 3rd embodiment:
Referring to Fig. 3 A and Fig. 3 B, the toothbrush that the 3rd embodiment of the present invention relates to is described.
In addition, for the identical symbol of the structure tag identical with the first embodiment and the description thereof will be omitted, mainly the point different from the first embodiment described.
The first pieces group 230, be arranged at from brushhead top 21 towards the zone below 50% of planting the territory, hair-fields of brushhead cardinal extremity, namely the length from brushhead top 21 to the brushhead cardinal extremity surpasses 0% and planting the territory, hair-fields below 50%, 21 start to be listed as with 1 * 1 successively from the brushhead top, and the modes of 2 * 2 row have planted the first pieces 32.The second pieces group 240 is set to, and opens to the brushhead base end side, and surrounds the first pieces group 230, and 21 start to have planted 4 the second pieces 42 along lateral margin 22 from the brushhead top, and 21 start to have planted 4 the second pieces 42 along lateral margin 24 from the brushhead top.
The first pieces group 232, be arranged at the zone below 50% of planting the territory, hair-fields from the brushhead cardinal extremity towards brushhead top 21, namely the length from brushhead top 21 to the brushhead cardinal extremity plant the territory, hair-fields below 100% more than 50%, start to have planted the first pieces 32 in the modes of 2 * 2 row from the brushhead cardinal extremity.The second pieces group 242 is set to, and opens to brushhead top 21 sides, and surrounds the first pieces group 232, near the brushhead cardinal extremity, has planted 3 the second pieces 42, along lateral margin 22, has planted 2 the second pieces 42, along lateral margin 24, has planted 2 the second pieces 42.
In the present embodiment, the second pieces group's 240 opening portion and the second pieces group's 242 opening portion over against.
In addition, in the zone with second pieces group 240 and have between the second pieces group's 242 zone, the first pieces 32 plants in the mode of 4 * 1 row.
According to present embodiment, the second pieces group 240 who arranges near brushhead top 21 and near the second pieces group's 242 of brushhead cardinal extremity setting opening portion separately be set to over against.Therefore, be no matter with brushhead 2 from oral cavity during operation or while inserting intraoral inner ground operation with pulling out, tooth is always wrapped into by the second pieces group 240 or the second pieces group 242.Its result, can be more well by 32 pairs of between cog sections of the first pieces or the tooth neck cleans and by 42 pairs of occlusal surfaces of the second pieces or the flank of tooth, clean.
The 4th embodiment:
Referring to Fig. 4 A and Fig. 4 B, the toothbrush that the 4th embodiment of the present invention relates to is described.
In addition, for the identical symbol of the structure tag identical with the first embodiment and the description thereof will be omitted, mainly the point different from the first embodiment described.
The first pieces group 330, be arranged at from brushhead top 21 towards the zone below 50% of planting the territory, hair-fields of brushhead cardinal extremity, namely the length from brushhead top 21 to the brushhead cardinal extremity surpasses 0% and in mao scope of planting below 50%, 21 start to be listed as with 1 * 1 successively from the brushhead top, and the mode of 2 * 1 row has planted the first pieces 32.The second pieces group 340 is set to, and opens to the brushhead base end side, and surrounds the first pieces group 330, and 21 start to have planted 3 the second pieces 42 along lateral margin 22 from the brushhead top, and 21 start to have planted 3 the second pieces 42 along lateral margin 24 from the brushhead top.
The first pieces group 332, be arranged at the zone below 50% of planting the territory, hair-fields from the brushhead cardinal extremity towards brushhead top 21, namely the length from brushhead top 21 to the brushhead cardinal extremity plants the territory, hair-fields below 100% more than 50%, start with 1 * 1 row from the brushhead cardinal extremity, the mode of 2 * 1 row has planted the first pieces 32.The second pieces group 342 is set to, and opens to the brushhead base end side, and surrounds the first pieces group 332, near brushhead top 21, in 4 * 1 mode that is listed as, has planted the second pieces 42, has respectively planted 2 the second pieces 42 in the first pieces group's 332 both sides.
In the present embodiment, the second pieces group's 340 opening portion and the second pieces group's 342 opening portion all is formed at the brushhead base end side.
In addition, in the zone with second pieces group 340 and have between the second pieces group's 342 zone, the first pieces 32 plants in the modes of 4 * 2 row.
According to present embodiment, the second pieces group 342 that the second pieces group 340 who no matter near brushhead top 21, arranges still arranges near the brushhead cardinal extremity, opening portion is all towards the brushhead cardinal extremity.Therefore, with brushhead 2 from oral cavity during operation with pulling out, can be more well by 32 pairs of between cog sections of the first pieces or the tooth neck cleans and by 42 pairs of occlusal surfaces of the second pieces or the flank of tooth, clean.
The 5th embodiment:
Referring to Fig. 5 A and Fig. 5 B, the toothbrush that the 5th embodiment of the present invention relates to is described.
In addition, for the identical symbol of the structure tag identical with the first or the 4th embodiment and the description thereof will be omitted, mainly the point different from the first and the 4th embodiment described.
The second pieces group 440 of present embodiment is set to, open to the brushhead base end side, and surround the first pieces group 330, and 21 start to have planted 3 the second pieces 442 along lateral margin 22 from the brushhead top, and 21 start to have planted 3 the second pieces 442 along lateral margin 24 from the brushhead top.
As shown in Figure 5 B, the second pieces group's 440 upper surface is for moving closer to the inclined plane of planting hair side from brushhead top 21 towards the brushhead cardinal extremity.
Between the zone with second pieces group 440 and brushhead cardinal extremity, 21 start to plant successively from the brushhead top: the first pieces 32 of 4 * 1 row, the 3rd pieces 452 of 4 * 1 row, the first pieces 32 of 4 * 1 row, the first pieces 32 of the 3rd pieces 452,3 * 1 row of 4 * 1 row.
The second pieces group 440 on the most close brushhead top 21 plants height on hair side 20, and namely the length T 3 of second pieces 442 on the most close brushhead top 21, equate with the length T 2 of the second pieces 42.
The second pieces group 440 of the most close brushhead cardinal extremity plants height on hair side 20, that is, in the bristle that forms the second pieces 442, the length T 4 of the bristle of the most close brushhead cardinal extremity, shorter than length T 3.In addition, length T 4 preferably with length T 1, equate or more than, long better than length T 1.
As the second pieces 442, can enumerate taper hair, broad wool, wherein best is broad wool, the top of bristle is better by the broad wool of sphering.
The pieces footpath of the second pieces 442 is identical with the pieces footpath R2 of the second pieces 42.
The material of bristle that forms the second pieces 442 is identical with the material of the bristle that forms the second pieces 42, and the shape of cross section of bristle that forms the second pieces 442 is identical with the shape of cross section of the bristle of formation the second pieces 42.The thickness of bristle that forms the second pieces 442 is identical with the bristle that forms the second pieces 42.
The 3rd pieces 452 is not particularly limited, and preferably its buckling strength is lower than the second pieces 442.
Be expressed as the buckling strength ratio of [(buckling strength of the pieces of the 3rd pieces)/(buckling strength of the second pieces)], can determine according to the function that toothbrush 400 requires, for example preferably more than 0.4 below 0.9, better below 0.8 more than 0.5., if the hair hardness of less than 0.4, the three pieces 452 is too soft, may not fully clean between cog section or tooth neck., if it is too hard to surpass the hair hardness of 0.9, the three pieces 452, may be difficult to enter between cog section or tooth neck.
Making the buckling strength of the 3rd pieces 452 lower than the second pieces 442, is in order to make the 3rd pieces 452 more easily enter between cog section or tooth neck.
The length T 3 of length T 5 to the second pieces 442 of the 3rd pieces 452 is long.
, by making length T 5 longer than length T 3, make the 3rd pieces 452 easily enter between cog section or tooth neck.
Be expressed as the poor D2 of staple length of [T5-T3], for example, preferably below the above 1.5mm of 0.2mm.If not enough 0.2mm, be difficult to obtain planting the effect of the 3rd pieces 452, if, over 1.5mm, may damage in intraoral operability.
The thickness of the 3rd pieces 452 (pieces footpath) R3 can consider the buckling strength that the 3rd pieces 452 requires, the material that forms the bristle of the 3rd pieces 452, thickness and determine, for example preferably below the above 2mm of 1mm.The pieces footpath R3 of the 3rd pieces 452 is the diameters of planting the 3rd pieces 452 in hair side 20.
The bristle that forms the 3rd pieces 452 is the taper hair., by making the 3rd pieces 452 be the taper hair, can clean more well between cog section or tooth neck.
The material of bristle that forms the 3rd pieces 452 is identical with the material of the bristle that forms the first pieces 32, and the shape of cross section of bristle that forms the 3rd pieces 452 is identical with the shape of cross section of the bristle of formation the first pieces 32.The thickness of bristle that forms the 3rd pieces 452 is identical with the bristle that forms the first pieces 32.
According to present embodiment, owing to than the second pieces 442, growing and by the 3rd pieces 452 that the taper hair forms, being planted in the second pieces group's 440 the outside, so can clean more well between cog section or tooth neck.
The 6th embodiment:
Referring to Fig. 6 A and Fig. 6 B, the toothbrush that the 6th embodiment of the present invention relates to is described.
In addition, for the identical symbol of the structure tag identical with the first, the 4th or the 5th embodiment and the description thereof will be omitted, mainly the point different from the first, the 4th and the 5th embodiment described.
Have between the second pieces group's 440 zone and brushhead cardinal extremity, 21 start to have planted successively from the brushhead top: first row, 2 the 3rd pieces 452 with and each first pieces 32 of 1 of both sides; Secondary series, 4 the first pieces 32; The 3rd row, 2 the 3rd pieces 452 with and each first pieces 32 of 1 of both sides; The 4th row, 4 the first pieces 32; The 5th row, 1 the 3rd pieces 452 with and each first pieces 32 of 1 of both sides.
According to present embodiment, owing to than the second pieces 442, growing and by the 3rd pieces 452 that the taper hair forms, being planted in the second pieces group's 440 the outside, so can clean more well between cog section or tooth neck.
Other embodiment:
The present invention is not limited to above-mentioned embodiment.
In the first～the 4th embodiment, the first pieces only plants in the second pieces group's the outside, but plant in the pieces in the second pieces group's the outside, is not limited to the first pieces.But, be adjacent to the second pieces group opening portion pieces (for example, in the first embodiment, plant 4 the first pieces between the zone that is provided with the second pieces group and brushhead cardinal extremity) buckling strength, preferably with the buckling strength of the second pieces that forms the second pieces group, equate or below, further equal in length or following better.If it is higher than the buckling strength of the second pieces that forms the pieces group to be adjacent to the second pieces group's the pieces of opening portion, the first pieces that forms the first pieces group is difficult to touch tooth, and is likely insufficient between cog section or tooth neck cleaning.
In the second, the 5th～the 6th embodiment, only near the brushhead top, the second pieces group is set, but the present invention is not limited to this, also can only near the brushhead cardinal extremity, the second pieces group be set.But,, from improving the viewpoint of spatter property, preferably only near the brushhead top, the second pieces group is set.This is in intraoral cleaning, and to the occlusal surface of molar, when the flank of tooth cleans, operate toothbrush is in order to go out dirt by the pieces Sao that implants near the brushhead top.
In first～the 6th embodiment, pieces is arranged in row on the width of brushhead, but the present invention is not limited to this, at pieces adjacent on the width of brushhead, also can mutually stagger on the direction from the brushhead top towards the brushhead cardinal extremity.
Embodiment:
Below, embodiment is shown, and the present invention is described in detail, but the present invention is not limited to following record.
Embodiment 1:
, according to the specification that table 1 is put down in writing, produce the toothbrush identical with the toothbrush 1 of Figure 1A and Figure 1B.The handle body of this toothbrush is the PET system., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.In addition, " taper " on " bristle types " hurdle in table means the taper hair, and " directly " means that top is by the broad wool of sphering (lower same).
Embodiment 2:
Except making the toothbrush identical with the toothbrush 100 of Fig. 2 A and Fig. 2 B, with embodiment 1, obtain in the same manner toothbrush., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Embodiment 3:
Except making the toothbrush identical with the toothbrush 200 of Fig. 3 A and Fig. 3 B, with embodiment 1, obtain in the same manner toothbrush., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Embodiment 4:
Except making the toothbrush identical with the toothbrush 300 of Fig. 4 A and Fig. 4 B, with embodiment 1, obtain in the same manner toothbrush., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Embodiment 5:
Except making the toothbrush identical with the toothbrush 400 of Fig. 5 A and Fig. 5 B, with embodiment 1, obtain in the same manner toothbrush., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.In addition, in table, the length of the second pieces " 10.5-9 " means that the length T 3 of Fig. 5 A and Fig. 5 B is 10.5mm, and length T 4 is 9mm.In addition, the buckling strength of the second pieces (N) " 2.4-2.7 " means the buckling strength (lower same) below the above 2.7N of 2.4N of 3 kind of second pieces that length is different.
Embodiment 6:
Except making the toothbrush identical with the toothbrush 500 of Fig. 6 A and Fig. 6 B, with embodiment 1, obtain in the same manner toothbrush., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Comparative example 1:
Except making the identical toothbrush of the toothbrush 900 that represents with Fig. 7 A and Fig. 7 B, with embodiment 1, obtain in the same manner toothbrush.Toothbrush 900 is with toothbrush 200(Fig. 3 A and Fig. 3 B) in 4 the first pieces 32 be changed to the second pieces 42 and obtain, described 4 the first pieces 32 plant in the zone with second pieces group 240 and have between the second pieces group's 242 zone.That is, brushhead top 21 directions of toothbrush 900 and brushhead proximal direction are all surrounded by the second pieces 42., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Comparative example 2:
Except making the identical toothbrush of the toothbrush 901 that represents with Fig. 8 A and Fig. 8 B, with embodiment 1, obtain in the same manner toothbrush.Toothbrush 901 is with toothbrush 1(Figure 1A and Figure 1B) in 2 the second pieces 42 be changed to the first pieces 32 and obtain, described the second pieces 42 21 ground, the most close brushhead top in the second pieces group 40 plant.That is, toothbrush 901 is opened to the direction on brushhead top 21 and the direction of brushhead cardinal extremity, and surrounds the first pieces 32., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Comparative example 3:
Except making the identical toothbrush of the toothbrush 902 that represents with Fig. 9 A and Fig. 9 B, with embodiment 1, obtain in the same manner toothbrush.Toothbrush 902 is with toothbrush 1(Figure 1A and Figure 1B) in the second whole pieces 42 be changed to the first pieces 32 and obtain., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Comparative example 4:
Except making the identical toothbrush of the toothbrush 903 that represents with Figure 10 A and Figure 10 B, with embodiment 1, obtain in the same manner toothbrush.Toothbrush 903 is with toothbrush 1(Figure 1A and Figure 1B) in the first whole pieces 32 be changed to the second pieces 42 and obtain., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Comparative example 5:
Except making the identical toothbrush of the toothbrush 904 that represents with Figure 11 A and Figure 11 B, with embodiment 2, obtain in the same manner toothbrush.Toothbrush 904 is with toothbrush 100(Fig. 2 A and Fig. 2 B) in whole the first bundles 32 be changed to the first pieces 932, the second whole pieces 42 is changed to second pieces 942 shorter than the first pieces 932 and obtains., to the toothbrush that obtains, estimate its molar cleaning power, between cog cleaning power and tooth parcel true feeling, and its result is represented in table.
Table 1:
Evaluation method:
Molar cleaning power:
Use each routine toothbrush, implement following simulation cleaning power test.At first, prepare one and be coated with adult's maxilla model (500AU, Nisshin Co., Ltd's system) of encrimson (#19 is red for oriental cherry blank marking pen, Sakura Co's soft wax pen system) as the simulation tartar on the flank of tooth of the first molar of right side cheek side.To having formed the tooth of simulation tartar, with the load of 200g vertically press toothbrush on one side, carry out 10 reciprocating motions in the direction that links brushhead top and brushhead cardinal extremity with the stroke of 20mm on one side, clean.After cleaning, measure tartar by following method and remove rate.
Tartar is removed the mensuration of rate:
Measure the occupied area of simulation tartar of the flank of tooth of first molar by image analysis before cleaning power test, again measure the occupied area of the simulation tartar at same position after cleaning power is tested, calculate tartar by following (1) formula and remove rate.By following judgment standard, the tartar of calculating is removed the rate classification, and estimate molar cleaning power.
Tartar is removed rate (%)=((the tartar occupied area after the tartar occupied area before the test of cleaning power-cleaning power test)/(the tartar occupied area before the test of cleaning power)) * 100(1)
Judgment standard:
More than A:70%
Above and the less than 70% of B:50%
Above and the less than 50% of C:30%
D: less than 30%
Between cog cleaning power:
Except the between cog section coating Red coating of the first molar in right side cheek side and second molar teeth, other are identical with molar cleaning power, estimate between cog cleaning power.
Tooth parcel true feeling:
10 experiencers use in each routine toothbrush oral cavity cleaning, and following commentary valency benchmark evaluation intraoral sense of touch at that time.Experiencer 10 people's average mark be more than 4.0 minutes for " A ", average mark is more than 3.0 minutes and being of less than 4.0 minutes " B ", average mark is more than 2.0 minutes and being of less than 3.0 minutes " C ", average mark less than 2.0 minutes be " D ".
Metewand:
5 minutes: feel very consumingly sense of touch that ground is wrapped into of tooth.
4 minutes: feel consumingly sense of touch that ground is wrapped into of tooth.
3 minutes: can feel sense of touch that ground is wrapped into of tooth.
2 minutes: less can feel sense of touch that ground is wrapped into of tooth.
1 minute: sense of touch that ground is wrapped into of complete imperceptible tooth.
As shown in table 1, applied embodiments of the invention 1～6, whichever molar cleaning power, between cog cleaning power and tooth parcel true feeling are all " B " or " A ".Except this, the molar cleaning power and the between cog cleaning power that have planted the embodiment 5～6 of the 3rd pieces in the second pieces group's the outside are improved.
On the other hand, brushhead top orientation and brushhead proximal direction are all " C " by the molar cleaning power of the comparative example 1 of the second pieces encirclement, between cog cleaning power and tooth parcel true feeling.In addition, the molar cleaning power of the comparative example 2 all opened of brushhead top orientation and brushhead proximal direction is " D ".
In addition, the first pieces being made than the tooth parcel true feeling of the comparative example 5 of the pieces of the second pieces length is " D ".
Judge with these results, applied toothbrush of the present invention and can clean well occlusal surface and the flank of tooth of between cog section, tooth neck and molar.
Utilize possibility on industry
, according to the present invention, can provide a kind of and can clean well the occlusal surface of between cog section, tooth neck and molar and the toothbrush of the flank of tooth.
Claims (13)
1. toothbrush, at the pieces that plants more than 2 of planting on hair side of brushhead, described pieces is tied up and is formed by the bristle more than 2, and this toothbrush is characterised in that to have:
Plant the first pieces group that the first pieces more than 1 forms; And to top orientation or the proximal direction of described brushhead, plant the second pieces group that the second pieces forms with opening and surround described the first pieces group,
The length of described the second pieces of the Length Ratio of described the first pieces is short,
The buckling strength of described the first pieces is lower than the buckling strength of described the second pieces.
2. toothbrush as claimed in claim 1, it is characterized in that, the hair top that described the first pieces has a bristle by sharpening bristle, and the diameter of this bristle is planted hair side and is reduced gradually as the top of the position below the above 5mm of the 0mm of starting point towards bristle from using.
3. toothbrush as claimed in claim 1 or 2, is characterized in that, described the second pieces group only forms near the ground, top of described brushhead.
4. toothbrush as described in any one in claim 1～3, it is characterized in that, plant in described the second pieces group's the outside than the 3rd long pieces of described the second pieces, the hair top that described the 3rd pieces has a bristle by sharpening bristle, and the diameter of this bristle is planted hair side and is reduced gradually as the top of the position below the above 5mm of the 0mm of starting point towards bristle from using.
5. toothbrush as described in any one in claim 1～4, is characterized in that, described the second pieces by the hair top not the bristle of sharpening form.
6. toothbrush as described in any one in claim 1～4, is characterized in that, the diameter of described the second pieces starts to the hair top identical from planting hair side.
7. toothbrush as described in any one in claim 1～4, is characterized in that, the top of the bristle of described the second pieces is the plane parallel with planting hair side.
8. toothbrush as described in any one in claim 1～4, is characterized in that, the top of the bristle of described the second pieces is rounded at hemispherical.
9. toothbrush as claimed in claim 1, is characterized in that, the staple length of the length of the length of described the second pieces and described the first pieces is poor is below the above 3mm of 0.3mm.
10. toothbrush as claimed in claim 1, is characterized in that, the buckling strength ratio that is expressed as [(buckling strength of described the first pieces)/(buckling strength of described the second pieces)] is more than 0.4 below 0.9.
11. toothbrush as claimed in claim 4, is characterized in that, the staple length of the length of the length of described the 3rd pieces and described the second pieces is poor is below the above 1.5mm of 0.2mm.
12. toothbrush as claimed in claim 4, is characterized in that, be expressed as [(buckling strength of the pieces of the 3rd pieces)/(buckling strength of the second pieces) ］ the buckling strength ratio be more than 0.4 below 0.9.
13. toothbrush as described in any one in claim 1～12, is characterized in that, described the second pieces mass-planting is located at surpassing of length from the brushhead top to the brushhead cardinal extremity and is planted the territory, hair-fields below 0% and 50%.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011040060A JP5948019B2 (en) | 2011-02-25 | 2011-02-25 | toothbrush |
| JP2011-040060 | 2011-02-25 | ||
| PCT/JP2012/053957 WO2012115035A1 (en) | 2011-02-25 | 2012-02-20 | Toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103391730A true CN103391730A (en) | 2013-11-13 |
| CN103391730B CN103391730B (en) | 2015-11-25 |
Family
ID=46720812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280010370.2A Active CN103391730B (en) | 2011-02-25 | 2012-02-20 | Toothbrush |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5948019B2 (en) |
| KR (1) | KR20140009292A (en) |
| CN (1) | CN103391730B (en) |
| WO (1) | WO2012115035A1 (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6429359B2 (en) * | 2014-03-19 | 2018-11-28 | ライオン株式会社 | toothbrush |
| USD754443S1 (en) | 2014-06-11 | 2016-04-26 | Colgate-Palmolive Company | Oral care implement |
| US10660430B2 (en) | 2014-12-23 | 2020-05-26 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
| RU2669740C1 (en) | 2014-12-23 | 2018-10-15 | Колгейт-Палмолив Компани | Oral care implement |
| CA2970674C (en) | 2014-12-23 | 2022-05-10 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
| US11291293B2 (en) | 2014-12-23 | 2022-04-05 | Colgate-Palmolive Company | Oral care implement |
| EP3223657B1 (en) | 2014-12-23 | 2022-12-07 | Colgate-Palmolive Company | Oral care implement |
| MX2017007626A (en) | 2014-12-23 | 2017-09-18 | Colgate Palmolive Co | Oral care implement. |
| US10743646B2 (en) | 2014-12-23 | 2020-08-18 | Colgate-Palmolive Company | Oral care implement |
| MX2017007857A (en) | 2014-12-23 | 2017-09-19 | Colgate Palmolive Co | Oral care implement. |
| WO2016105367A1 (en) | 2014-12-23 | 2016-06-30 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
| CA2970676A1 (en) | 2014-12-23 | 2016-06-30 | Colgate-Palmolive Company | Oral care implement |
| MX2017007843A (en) | 2014-12-23 | 2017-09-19 | Colgate Palmolive Co | Oral care implement. |
| USD780457S1 (en) | 2014-12-23 | 2017-03-07 | Colgate-Palmolive Company | Oral care implement |
| JP2016198388A (en) * | 2015-04-13 | 2016-12-01 | 花王株式会社 | toothbrush |
| JP6928472B2 (en) * | 2017-04-03 | 2021-09-01 | サンスター株式会社 | 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 |
| US20210068526A1 (en) * | 2018-03-29 | 2021-03-11 | Sangsi Co., Ltd. | Toothbrush |
| USD891784S1 (en) | 2018-12-18 | 2020-08-04 | Colgate-Palmolive Company | Electric toothbrush handle |
| USD960582S1 (en) | 2020-12-10 | 2022-08-16 | Colgate-Palmolive Company | Oral care refill head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002360342A (en) * | 2001-06-06 | 2002-12-17 | Sunstar Inc | Toothbrush |
| JP2003289943A (en) * | 2002-04-04 | 2003-10-14 | Kao Corp | Toothbrush |
| CN101175424A (en) * | 2006-03-16 | 2008-05-07 | 布劳恩股份有限公司 | Toothbrush and toothbrush head for said toothbrush |
| JP4397057B2 (en) * | 1997-09-08 | 2010-01-13 | 花王株式会社 | toothbrush |
| JP2010200889A (en) * | 2009-03-02 | 2010-09-16 | Sunstar Inc | Toothbrush |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001286341A (en) * | 2000-04-05 | 2001-10-16 | Lion Corp | Tooth brush |
| JP2002325632A (en) * | 2001-04-27 | 2002-11-12 | Lion Corp | Toothbrush |
-
2011
- 2011-02-25 JP JP2011040060A patent/JP5948019B2/en active Active
-
2012
- 2012-02-20 WO PCT/JP2012/053957 patent/WO2012115035A1/en active Application Filing
- 2012-02-20 CN CN201280010370.2A patent/CN103391730B/en active Active
- 2012-02-20 KR KR1020137019300A patent/KR20140009292A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4397057B2 (en) * | 1997-09-08 | 2010-01-13 | 花王株式会社 | toothbrush |
| JP2002360342A (en) * | 2001-06-06 | 2002-12-17 | Sunstar Inc | Toothbrush |
| JP2003289943A (en) * | 2002-04-04 | 2003-10-14 | Kao Corp | Toothbrush |
| CN101175424A (en) * | 2006-03-16 | 2008-05-07 | 布劳恩股份有限公司 | Toothbrush and toothbrush head for said toothbrush |
| JP2010200889A (en) * | 2009-03-02 | 2010-09-16 | Sunstar Inc | Toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103391730B (en) | 2015-11-25 |
| WO2012115035A1 (en) | 2012-08-30 |
| JP2012176084A (en) | 2012-09-13 |
| JP5948019B2 (en) | 2016-07-06 |
| KR20140009292A (en) | 2014-01-22 |
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