CN105828746A - Toothbrush and electric toothbrush - Google Patents
Toothbrush and electric toothbrush Download PDFInfo
- Publication number
- CN105828746A CN105828746A CN201480068711.0A CN201480068711A CN105828746A CN 105828746 A CN105828746 A CN 105828746A CN 201480068711 A CN201480068711 A CN 201480068711A CN 105828746 A CN105828746 A CN 105828746A
- Authority
- CN
- China
- Prior art keywords
- toothbrush
- pieces
- outside
- hair
- bristle
- 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
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
-
- 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
- A46D1/0238—Bristles with non-round cross-section
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
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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
The invention discloses a toothbrush and en electric toothbrush. The present invention provides a toothbrush in which bristle bundles are anchored in a plurality of bristle-anchoring holes formed in an bristle-anchoring surface of a head section, wherein the toothbrush is characterized by the following: the bristle-anchoring surface is provided with a middle bristle bundle group consisting of a plurality of middle bristle bundles disposed in parallel in the length direction of the head section, and outside bristle bundle groups consisting of outside bristle bundles that are located on both sides in the width direction of the head section and are located on both sides in the width direction of the middle bristle bundle group; the outside bristle bundles that constitute the outside bristle bundle groups are formed of tapered bristles; the anchored bristle density is at least 3,000 bristles/cm2; the width of each of the outside bristle bundle groups on both sides in the width direction of the head section is 20 to 30% with respect to the breadth of the head section; the use-bristles that constitute the middle bristle bundles and the tapered bristles that constitute the outside bristle bundles both have a height of 8.5 mm or less; and the anchored bristle density of the middle bristle bundle group is 400 to 1,000 bristles/cm2.
Description
Technical field
The present invention relates to toothbrush and possess the electric toothbrush of described toothbrush.
The present invention at the Patent 2013-270313 CLAIM OF PRIORITY of Japanese publication, is hereby incorporated its content based on December in 2013 26 days.
Background technology
In recent years, the people brushed teeth in place of going out increases, and is attracted attention with the PocketDoltz (Co., Ltd. of Panasonic trade name) the peddling of portable (electronic) toothbrush less with lid and diameter as representative.Now, owing to needing the height of head containing bristle, width to be together accommodated in lid, thinning and the shortening of staple length (height of hair) of head is needed.The thinning of head the most still comes into question (clinicaadvantage toothbrush (Lion Corporation's trade name) etc.), but the shortening about the height of hair does not discuss fully.If reducing merely the height of hair, the hardness of hair becomes strong, and tiny place cleans difficulty, uses sense to reduce, injures gingiva.To this end, present situation is, in order to reduce the height of hair, portable toothbrush is had to use the pieces arrangement with the toothbrush for children (Lion Corporation's trade name) the most basic toothbrush as representative.
When brushing teeth, for efficiently removing spot, compare the foam of major diameter, it more desirable to fine and smooth foam, but use general mao portion's style (including arrangement, the kind of bristle) of planting to be difficult to produce fine and smooth foam.
As the technology making the foaming characteristic of toothpaste improve, it is known to arrange and plant gross density 900～3000/cm2High density plant territory, hair-fields (with reference to patent documentation 1), or reduce the radical of pieces, and then by the technology (with reference to patent documentation 2) of profile optimization.
But, arbitrary prior art also cannot fully reach the sophistication of foam.Additionally, during the height reduction of hair, the limitation of movement of hairiness end, the problem that the entrance of the air required for foaming is the most insufficient.
Additionally, keep beautiful tooth the most important on inter personal contact, it is also required in place of going out except the higher toothbrush of stain effect.In order to except the raising of stain effect, need stronger bristle rigidity, but in general toothbrush, if reducing the height of hair for the bristle of the bristle rigidity stronger up to one-tenth, then the bending deformation of hair end obtains insufficient.For guaranteeing the flexure of mao end, it is considered to cross and make to plant pore arrangement sparse (increasing pitch-row (planting the interval of pore)), but now, have and plant the minimizing of Rhizoma Imperatae number, the problem that cannot play except stain power.
[background technology document]
[patent documentation]
[patent documentation 1] Japanese Unexamined Patent Publication 2013-042776 publication
[patent documentation 2] Japanese Unexamined Patent Publication 2003-250632 publication
Summary of the invention
[inventing problem to be solved]
The present invention is to solve above-mentioned problem, it is therefore intended that, it is provided that the height of hair also can fine and smooth bubble when below 8.5mm, and outward appearance is good, true feeling swept by brush and then removes the toothbrush that stain is excellent.
It is further an object that, it is provided that shank is provided with the electric toothbrush of toothbrush as characterized above.
[solving the means of problem]
For reaching above-mentioned purpose, the present invention uses following structure.
[1] a kind of toothbrush, the front end of cervical region is provided with head, and multiple the planting formed on hair side of planting at described head implants pieces in pore, wherein,
Described hair side of planting is provided with: the central pieces group that multiple central authorities pieces of spread configuration is constituted on the length direction of described head, the outside pieces group constituted with the outside pieces being positioned at the width both sides of described head the width both sides that are positioned at described central authorities pieces group
The outside pieces constituting described outside pieces group is made up of taper hair, and planting gross density is 3000/cm2Above, the width of each outside pieces group of the width both sides of described head is more than 20%, less than 30% relative to the width of described head,
The height of the bristle constituting described central authorities pieces and the described taper hair constituting described outside pieces is below 8.5mm,
The gross density of planting of described central authorities pieces group is 400/cm2Above, 1000/cm2Below.
[2] toothbrush recorded according to [1], the ratio always planting Rhizoma Imperatae number of the described taper hair always planting Rhizoma Imperatae number and described outside pieces group of the bristle of described central authorities pieces group is more than 0.05, less than 0.25.
[3] toothbrush recorded according to [1] or [2], the height of outside pieces group described in the aspect ratio of described central authorities pieces group is low.
[4] according to the toothbrush recorded any one of [1]～[3], the cross section of described bristle is irregular tee section.
[5] according to the toothbrush recorded any one of [1]～[4], what the hair end of described central authorities pieces group was trimmed to is shaped as waveform.
[6] according to the toothbrush recorded any one of [1]～[5], planting in pore at 1, the outside of described outside pieces is shorter than inner side, and its staple length difference is 0.5～1.5mm.
[7] a kind of electric toothbrush, the front of its shank is provided with the toothbrush recorded any one of [1]～[6].
For reaching above-mentioned purpose, other modes of the present invention use following structure.
The toothbrush of the present invention is characterised by, the front end of cervical region is provided with head, formed on hair side multiple of planting at described head plant in pore in the toothbrush of implanted pieces, described hair side of planting is provided with the central pieces group that multiple central authorities pieces of spread configuration on the length direction of described head is constituted, the outside pieces group constituted with the outside pieces of both sides being positioned at the width both sides of described head and the width that is positioned at described central authorities pieces group, the hair height of any bristle constituting described central authorities pieces group and described outside pieces group is below 8.5mm, the bristle of described outside pieces group is taper hair, it is 3000 cm2Above high density plants hair, and the width of each outside pieces group of the width both sides of described head is more than 20%, less than 30% relative to the width of described head, and the gross density of planting of described central authorities pieces group is 400/cm2Above, 1000/cm2Below.
In the toothbrush of the present invention, the ratio always planting Rhizoma Imperatae number always planting Rhizoma Imperatae number and described taper hair of the bristle of the most described central authorities pieces group is less than more than 0.05 0.25.
In the toothbrush of the present invention, described in the aspect ratio of the most described central authorities pieces group, the height of outside pieces group is low one section.
In the toothbrush of the present invention, described central authorities pieces can use the bristle of irregular tee section.
In the toothbrush of the present invention, the shape that the hair end of described central authorities pieces group is trimmed to can be waveform.
In the toothbrush of the present invention, planting in pore at 1, the outside of described outside pieces is shorter than inner side, and its staple length difference can be 0.5～1.5mm.
The electric toothbrush of the present invention is characterised by, the front of shank is provided with the arbitrary toothbrush recorded before.
[effect of invention]
According to the present invention, it is possible to provide a kind of toothbrush, it is that outside constituting the bristle of central authorities' pieces and constituting, the height of the taper hair of pieces is below 8.5mm, the portable toothbrush shorter than general toothbrush, is taper hair and 3000/cm by making outside pieces group2Above high density plants hair, and the foaming of toothpaste while staple length shortens, can be made to bubble for exquisiteness.
Further, it is 20～30% relative to head width by making the width being made up of, being positioned at each outside pieces group of the width both sides of head taper hair, can ensure that the necessary width as outside pieces group, become the toothbrush that contact sense is good, the width not making outside pieces group can be provided excessive, the motion smoothing of taper hair, the toothbrush that the motion easness of hair is excellent.
Additionally, be 400/cm by making the gross density of planting of central authorities pieces group2Above, 1000/cm2Below, it is possible to provide while staple length shortens, possess sufficiently except the toothbrush of stain power.
In the toothbrush of the present invention, by making the low single order of height of pieces group outside the aspect ratio of central authorities pieces group, contact sense can be made good.
In the toothbrush of the present invention, it is irregular tee section by making the cross section of the bristle of central authorities pieces group, can improve except stain power.Herein, the meaning in " cross section " is, cross section when cutting off from the vertical direction in relative length direction.
In the toothbrush of the present invention, by planting in pore at 1, the outside of outside pieces is shorter than inner side, and its staple length difference is 0.5～1.5mm, and the motion easness of hair end improves further, is improved the effect of entering to gingiva portion.
The toothbrush of the present invention, is suitable as electric toothbrush use, by being provided with above-mentioned toothbrush on the front end of shank, it is possible to provide as being suitable to the electric toothbrush carried, makes the foaming of toothpaste bubble for exquisiteness, the electric toothbrush that foaming characteristic is good while shortening staple length.Additionally, as electric toothbrush, when using the structure that can assemble lid on brush part, can be when shortening staple length, assembling lid, it is provided that the electric toothbrush that portability is good.
Accompanying drawing explanation
[Fig. 1] shows the oblique view of a part for the toothbrush of the first embodiment that the present invention relates to.
The plane graph of the part of [Fig. 2] same toothbrush.
[Fig. 3] shows the side view of an example of the shape that the central pieces group in same toothbrush is trimmed to.
[Fig. 4] shows the side view of an example of the upper set taper hair of outside pieces group of same toothbrush.
[Fig. 5] shows the oblique view of an example of the upper set bristle of central pieces group of same toothbrush.
[Fig. 6] shows the side view of the structure of an example of the electric toothbrush being provided with same toothbrush.
[Fig. 7] shows the plane graph of an example of the toothbrush used in embodiment.
[explanation of symbol]
1 ... toothbrush, 2 ... cervical region, 3 ... head, 3A ... plant hair side, 5 ... outside plant pore, 6 ... central authorities plant pore, 7 ... outside pieces group, 8 ... central authorities pieces group, 10 ... taper hair, 11 ... outside pieces, 12 ... bristle, 13 ... central authorities' pieces, 20 ... electric toothbrush, 30 ... lid.
Detailed description of the invention
Hereinafter, referring to the drawings, first embodiment of the present invention is described in detail.
In this specification, the meaning of length direction is the direction parallel with axis L, and the meaning of width is the direction vertical with axis L.
Fig. 1 and Fig. 2 illustrates the toothbrush of present embodiment.The toothbrush 1 of present embodiment is provided with the plate head portion 3 of narrower width on the front of cervical region 2.
Head 3 is the generally rectangular tabular of the axis L extension along cervical region 2, its one side side plant on hair side 3A, length direction (direction parallel with axis L) along head is formed multiple plants pore 5,6, and these are planted in pore 5,6 and implant bristle, define pieces group 7,8.
As an example of head 3, it is formed as length 15mm above below 20mm left and right, more than thickness 2.0mm, below 4.0mm left and right, the size of more than width 7.5mm, below 10.5mm left and right.The length (that is, the hair line of front is to the length of the hair line of cervical region side) preferably 15～20mm planting territory, hair-fields on head.Additionally, the width (that is, the distance of the hair line of both end sides) preferably 6.0～9.5mm planting territory, hair-fields on head.By within the range, it can be ensured that sufficient pieces.
Constituting the material of cervical region 2 and head 3 is to consider that rigidity and mechanical property etc. that toothbrush 1 sought select, and such as, the modulus of elasticity in static bending (JISK7203) is the high hardness resin of more than 500MPa below 3000MPa.As such high hardness resin, can illustrate such as, polypropylene (PP), polyethylene terephthalate (PET), cyclohexanedimethanol support dimethylene ester (PCT), polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), cellulose propionate (CP), polyarylate, Merlon and acrylonitritrile-styrene resin resin (AS), polyformaldehyde (POM) etc..Wherein, preferably POM.These resins can be individually a kind of, it is also possible to appropriately combined two or more uses.
In the head 3 of present embodiment, on the both sides (close to the position on long limit (end) of both sides of head 3) of its width, with the interval specified, the length direction along head 3 is formed with multiple (in the example of Fig. 1 being 5) outside and plants pore 5.Plant on pore 5 outside these, by planting a mao means implantation toper hair 10 with lenticular wire etc., plant in pore 5 outside each, it is formed with the outside pieces 11 being made up of the aggregation of taper hair 10, by 5 outside pieces 11, on the both sides of the width of head 3, respectively constitute outside pieces group 7.Outside pieces 11 can be 1 row in the longitudinal direction, it is also possible to is more than 2 row.
The diameter of pore 5 is planted in the outside formed on the both sides of the width of head 3, relative to the width of head 3, and preferably more than 20%, the scope of less than 30%, more preferably more than 25%, the scope of less than 28%.
In other words, in the toothbrush 1 of present embodiment, the width of each outside pieces 11, relative to the width of head 3, preferably more than 20%, the scope of less than 30%.This be the height of the outside pieces 11 due to the aggregation as taper hair 10 be more than 4.5mm, below 8.5mm, it is the staple length more shorter than general toothbrush, be in order to make the contact sense excellence to gingiva while, it is ensured that the brush of gingiva sweeps fine and smooth foaming of sense, toothpaste etc. and necessary scope.
When the diameter of pore 5 is planted relative to the short of width 20% of head 3 in outside, the contact sense to gingiva is poor.Outside plant the diameter of pore 5 excessive more than 30% time, the motion of the hair that the taper hair 10 implanted in pore is planted in outside is poor.
The one of taper hair 10 is such as shown in Fig. 4.The taper hair 10 of Fig. 4 is generally a cylindrical shape, is towards its leading section 10b, the shape that its diameter is gradually reduced from base portion 10a.In present embodiment, it is the most isometric from the length (staple length) of the prominent taper hair 10 of the peristome respectively planting pore 5.
On head 3, region between the pieces 11,11 of outside, i.e. on the width of head 3, in the region (hereinafter also referred to " center side of width ") that pieces 11,11 is sandwiched, on the length direction of head 3, it is formed with multiple row (being 3 row in the example of Fig. 1) central authorities with the interval specified and plants pore 6.Centre is planted in pore 6 in these, implants, by using lenticular wire etc. to plant mao means, the bristle 12 being made up of the straight hair with irregular sections such as star cross-sectional shapes, in pore 6 is planted by each central authorities, is formed with the central pieces 13 being made up of the aggregation of bristle 12.Straight hair refers to, except the bristle that the circular portion (part of the angle chamfering of leading section) of front end, its cross sectional shape and sectional area are roughly the same.The meaning of irregular tee section is that the cross sectional shape of bristle 12 is the shape beyond circle.Fig. 5 illustrates an example of the bristle 12 being made up of the straight hair of star cross section.In present embodiment, constitute central authorities pieces group 8 by arranging the central pieces 13 of formation in the center side of the width of head 3.
Central authorities' pieces 13 can be more than 3 row, it is also possible to arranges less than 3.When 3 row are above, preferred arrangement is plover shape.
The cross sectional shape of bristle 12, it is desirable to be the irregular section shapes such as star, cloverleaf pattern, Herba Galii Bungei shape but it also may be circular, oval, polygon (such as triangle, tetragon, pentagon, hexagon etc.) prismatic shapes.In addition it is also possible to be taper hair.About taper hair, the identical thing cited with in the explanation of outside pieces 11 can be used.
As taper hair 10 or the constituent material of bristle 12, can illustrate such as, the synthetic resin material such as polyamide (example: 6-12 nylon, 6-10 nylon), polyester (example: polyethylene terephthalate, polybutylene terephthalate (PBT), PTT), polyolefin (example: polypropylene), elastomer (example: olefin-based, polystyrene).These synthetic resin materials, can be used alone or in combination of two kinds or more with a kind.Additionally, taper hair 10 or bristle 12 can be the multiple cored structures in sheath portion with core and arrange in the outside of described core more than at least 1 layer.
Though the thickness of the thickest part of taper hair 10 is not particularly limited, but based on the more preferable point of contact sense to gingiva, the thinnest.For example, it is preferable to the scope that more than 3mil, 5mil (1mil=1/1000 inch=0.025mm) are below.Taper hair less than 3mil, the closeness of hair is too high, and taper Maonans is with motion.The thickness taper hair more than 5mil, it is difficult to realize high density described later and plant hair.If the thickness of taper hair 10 is in the scope of 3～5mil, making the contact sense to gingiva more preferable while, 1 outside can be made to plant implantable radical in pore 5 more, it is easy to high density plants hair.Herein, high density is planted hair and is referred to, 3000/cm2～12000/cm2Plant hairy state.
Constitute the bristle of pieces, can be with all identical thicknesses, it is also possible to combine the bristle of different thicknesses of more than two kinds.
The thickness of bristle 12, though being not particularly limited, but based on except stain with gingiva contacts the good point of sense, preferably thickness is the scope of more than 7mil, below 9mil.In the thickness being made up of above-mentioned resin material, if in the range of 7～9mil, then can obtain except the bristle 12 of stain effective bristle rigid.
The staple length of taper hair 10 (from the length that the peristome planting pore 5 is prominent), it is considered to portability and be formed the scope of more than 4.5mm, below 8.5mm, the scope of more preferably more than 5.0mm below 7.5mm.As an example of the staple length of taper hair 10,6.0mm can be used.
The staple length of bristle 12, staple length that can be identical with taper hair 10 or more shorter than taper hair 10.Make bristle 12 than taper hair 10 more in short-term, can below 8.5mm, more than 4.5mm scope in, select the value shorter than taper hair 10.
In taper hair 10 and bristle 12, if staple length is less than 4.5mm, the motion of hair is deteriorated with contacting sense, thus wishes to select above-mentioned scope.During additionally, staple length is less than 4.5mm, and the balance between the thickness of head 3 is poor, and outward appearance is bad.
The aspect ratio of taper hair 10 and bristle 12 is expressed as [height of taper hair]/[height of bristle 12], preferably 1.0～2.0, more preferably 1.0～1.2.
The pieces of taper hair 10 is planted in pore at 1, and outside is shorter than inner side, by making its staple length difference be 0.5～1.5mm, and the motion easness of hair end, the entering raising to gingiva portion.The outside of pieces refers to, when being 100 area % with the sectional area of pieces, accounting for the part of pieces in region of 0～50% from the edge part of pieces, the inner side of pieces refers to, when being 100 area % with the sectional area of pieces, from the central part of pieces, account for the part of pieces in region of 0～50%.
Taper hair 10 plant gross density (the planting gross density of outside pieces 11), in order to obtain the fine and smooth foaming of toothpaste, need 3000/cm2Above high density plants hair, preferably 3500/cm2Above high density plants hair.Additionally, the upper limit planting gross density of taper hair 10 preferably 12000/cm2.If it is too high to plant gross density, the motion of taper hair 10 becomes difficulty, and the feature carrying out the taper untrimmed books such as the entering in gingiva portion may be impaired.Plant gross density less than 3000/cm2Time, it is difficult to fine and smooth foaming.
Additionally, central authorities pieces group's 8 plants gross density preferably 400/cm2Above, 1000/cm2Below.If central authorities pieces group 8 plants gross density less than 400/cm2Time, except stain power is not enough, more than 1000/cm2When planting gross density, contact sense be deteriorated.
Central authorities pieces group 8 plants gross density more preferably 700/cm2Above, 1000/cm2Below.
The calculating planting gross density is calculated by following two formula, and central authorities plant gross density=central authorities and always plant that the area in territory, hair-fields is planted by Rhizoma Imperatae number/central authorities, outside is planted gross density=outside and always planted Rhizoma Imperatae number/outside and plant the area in territory, hair-fields.
The meaning of the area that territory, hair-fields is planted by central authorities be central authorities pieces group 8 plant gross area, be to constitute central authorities' central pieces 13 of pieces group 8 for surrounding and draw the area in the region that tangent line links in the periphery planting pore.In other words, it is to be planted the area of pore 6 by central authorities and the area in region that the area of periphery that pore 6 is planted by central authorities is constituted.The area in territory, hair-fields is planted by central authorities, with plant the gross area of hair side 3A be 100 area % time, preferably 30～50 area %.The meaning of area that territory, hair-fields is planted in outside be outside pieces group 7 plant gross area, plant the summation of the area of pore 5 outside being, refer to draw the summation of the area in the region that tangent line links in the periphery planting pore for surrounding the outside pieces 11 constituting each outside pieces group 7.In other words, it is to be planted the area of pore 5 by outside and the area in region that the area of periphery that pore 5 is planted in outside is constituted.The area in territory, hair-fields is planted in outside, with plant the gross area of hair side 3A be 100 area % time, preferably 50～65 area %.
In the toothbrush 1 of present embodiment, the ratio always planting Rhizoma Imperatae number always planting the Rhizoma Imperatae number straight hair 10 with outside pieces group 7 of the bristle 12 of central authorities pieces group 8 is expressed as, [always the planting Rhizoma Imperatae number of the bristle 12 of central authorities pieces group 8]/[always the planting Rhizoma Imperatae number of the taper hair 10 of outside pieces group 7], preferably more than 0.05, less than 0.25.It is to plant Rhizoma Imperatae number ratio=inner side always to plant Rhizoma Imperatae number/outside and always plant the relation of Rhizoma Imperatae number.
By meeting this relation, can obtain and gingiva be contacted the advantage of sense and except stain power.Feeling more preferable scope as contact, the ratio always planting Rhizoma Imperatae number is more than 0.05, less than 0.15, and as except the more preferable scope of stain power, the scope that ratio is more than 0.09, less than 0.20 always planting Rhizoma Imperatae number is preferred.
In the toothbrush 1 of present embodiment, the gross area ratio of planting planting gross area and outside pieces group 7 of central authorities pieces group 8 is expressed as [central authorities pieces group 8 plants gross area]/[outside pieces group 7 plants gross area], the scope of preferably less than 0.9.Based on guaranteeing the viewpoint except stain, the scope of preferably 0.50～0.90, the scope of more preferably 0.70～0.90.Planting gross area ratio during less than 0.5, can not get sufficiently except stain, during more than 0.90, contact sense is deteriorated.
Longitudinal section about central authorities' pieces 13, i.e. along axis L cut off in vertical direction time the shape (hereinafter also referred to hair end prune shape) in cross section, as it is shown on figure 3, preferably triangle wave mode (hereinafter also referred to " wave mode ").It is triangle wave mode by making the longitudinal section of central authorities pieces group 8, can further improve except stain effect.Now, the difference of preferably staple length is the highest bristle and the minimum bristle of staple length is 0.5～2.0mm.The angle of vertex of a triangle preferably 80～120 °.Preferably on a head, vertex of a triangle is configured to 3～8.
Make the longitudinal section of central authorities pieces group 8 when being waveform, the difference preferably 1～3mm of the height of the hair of the bristle in bristle (bristle of protuberance) the highest in central authorities pieces group 8 and outside pieces group 7, the difference preferably 1.5～4mm of the height of the hair of the bristle in bristle (bristle of recess) minimum in central authorities pieces group 8 and outside pieces group 7.
Additionally, make the longitudinal section of central authorities pieces group 8 when being waveform, the shape of the preferred chamfering of shape on the top of the bristle 12 in central authorities pieces group 8.
As known methods such as taper hair 10, the fur planting method of bristle 12, the applicable method squeezing into lenticular wire in planting pore, hot fusing methods.
In the method squeezing into lenticular wire, many for bristle are done up, doubling, plant pore by sandwiching the holding appliance being referred to as lenticular wire in-between to squeeze into, pieces is implanted and respectively plants in pore.
Lenticular wire is driven into when planting in pore, by planting the central part of pore, and across planting pore.As the material of lenticular wire, can illustrate such as, the metal such as pyrite or rustless steel, other can enumerate rigid plastics or biodegradable plastic etc..
The length of lenticular wire or width, thickness, be suitable for pieces or plant pore and arbitrarily adjust, but generally, the length of lenticular wire is more than the diameter planting pore, and the width of lenticular wire is less than the degree of depth planting pore.Additionally, by the thickness regulating lenticular wire, pieces can be fixedly secured in planting pore, reduce space.Additionally, in order to prevent from planting pore abjection, the total of the length of the part that lenticular wire stretches out from the both sides planting pore is preferably 0.3～0.6mm.
In addition, toothbrush 1 shown in Fig. 1 is the oblique view of the model of the summary showing toothbrush, although the taper hair 10 of pieces 11, the bristle 12 of composition central authorities pieces 12 are all drawn as identical length outside Gou Chenging, but according to using the fur planting method etc. of lenticular wire, planting between the taper hair 10 after hair, can not be the staple length of complete and homogeneous between bristle 12, length can have some uneven.Additionally, after planting hair, taper hair 10 and bristle 12 need not all be exactly perpendicularly to plant hair side 3A, the some pores 5,6 of planting of Mao Weicong can be planted gently towards outer expandable.
The toothbrush 1 of the result shown in Fig. 1, is that the hair height of any bristle making central authorities pieces group 8 and outside pieces group 7 is below 8.5mm, the portable toothbrush 1 more shorter than general toothbrush, by making outside pieces group 7 be made up of taper hair 10, carry out 3000/cm2Above high density plants hair, and the foaming of toothpaste can be made to bubble for exquisiteness.
By making the height of pieces group outside the aspect ratio of central authorities pieces group low, contact sense can be made good.
Further, by making outside pieces group 7 be made up of taper hair 10, make to be positioned at the width of each outside pieces group 7 of the both sides of the width of head 3, the scope that width is 20～30% relative to head 3, can ensure that the necessary width as outside pieces group 7, become the toothbrush 1 that contact sense is good, the motion smoothing of taper hair 10 can be made.
From the end of the width of head to the distance preferably 0.5～1.0mm of each outside pieces group 7.
In the toothbrush of the present invention, the ratio always planting Rhizoma Imperatae number always planting the Rhizoma Imperatae number taper hair 10 with outside pieces group 7 of the bristle 12 in central authorities pieces group 8 is expressed as [always the planting Rhizoma Imperatae number of bristle 12]/[always the planting Rhizoma Imperatae number of taper hair 10], it is more than 0.05, less than 0.25 by being allowed to, can ensure that the quantity of the bristle 12 of central authorities pieces group 8, it is provided that effectively except the toothbrush of stain.
The size of pore 5 is planted in outside, each can be the same or different.The most a diameter of 2.0～2.6mm.
The size of pore 6 is planted by central authorities, each can be the same or different.The most a diameter of 1.0～1.4mm.
The ratio of the diameter that the diameter of pore 6 is planted by central authorities and pore 5 is planted in outside is expressed as [diameter that pore 6 is planted by the central authorities]/diameter of pore 5 [outside plant], preferably 0.4～0.7.
From the central part of central authorities' pieces 13 to the distance preferably 1.0～2.0mm of the central part of immediate central authorities pieces 13.
Distance preferably 2.0～3.0mm from the central part of central authorities' pieces 13 to the central part of immediate outside pieces 11.
The ratio of total bundle number of the outside pieces 11 in total bundle number of the central pieces 13 in central authorities pieces group 8 and outside pieces group 7 is expressed as [always the restrainting number of central authorities' pieces 13]/[always the restrainting number of outside pieces 11], preferably 1.0～2.0.
The toothbrush 1 of present embodiment, is applicable to by electric toothbrush that is electrically driven and that shake.Such as, the brush part of DENTORSYSTEMA (デ Application タ mono-シ ス テ マ) the sound wave auxiliary toothbrushes of Lion Corporation uses the toothbrush of embodiment 1～7, in the case of using while being shaken by electric drive, bubble faster, foam diameter is less simultaneously, and foaming characteristic improves further.Further, improve except stain effect.
As electric toothbrush 20, as one such as shown in Fig. 6, can enumerate as an example, inside at the shank 21 of cartridge type, hide the control circuit (diagram is slightly) of the driving in battery 25 and each portion of control waterproofly, in the inside of the front of shank 21, hide the oscillator 27 producing the vibrations such as vibration of ultrasonic wave and acoustic wave vibrations, the side, open rearward end portion of shank 21 is provided with the lid A28 of battery disassembly and assembly, and a part for shank 21 is provided with the electric toothbrush of operation button.Further, it is contemplated that the lid B30 of portability, the preferably cartridge type shown in Fig. 6 is assemblied in the structure of the front of shank 21 detachably.
Battery 25, can be one-shot battery (such as, No. 5 or No. 7 aneroid battery), it is also possible to be secondary cell (such as, nickel-cadmium cell, Ni-MH battery, lithium ion battery).
Control circuit is connected with battery 25, when user operation setting operation button on shank 21, generates control signal according to this operation, based on this control signal, controls the power supply of aftermentioned oscillator, and the driving of oscillator.
Oscillator 27 is electrically connected with the control circuit in above-mentioned shank 21 by distribution, vibrations during supply electric power.
Additionally, electric toothbrush 20 can not also possess above-mentioned control circuit, such as, electric power, drive vibrator can be directly fed from battery to oscillator when user operation operation button.
It is formed with front portion on the front of shank 21 and narrows the connecting portion 21a of shape, on the leading section of this connecting portion 21a, be formed with the metal connecting pin 21b of the cardinal extremity 2b of cervical region 2 for connecting toothbrush 1.Being formed with the insertion hole for inserting described connecting pin 21b on the lower surface of described cardinal extremity 2b, by this insertion connecting pin 21b that inserts in the hole, toothbrush 1 is removably installed on shank 21.
Previously described toothbrush 1 is the toothbrush 1 of the action effect having reached above-mentioned various excellence, thus, as shown in Figure 6, it is adaptable to during electric toothbrush 20, in Portable electric toothbrush 20, by making outside pieces group 7 be made up of taper hair 10, carry out 3000/cm2Above high density plants hair, and the foaming of toothpaste can be made to bubble for exquisiteness.When staple length is shortened to below 8.5mm, it is possible to provide the electric toothbrush 20 that true feeling is excellent swept by the gingiva portion brush to the entering excellence in gingiva portion brought by taper hair 10.
Further, by making the width of outside pieces group 7 that taper hair 10 constitutes be 20～30% relative to the width of head 3, can ensure that the necessary width of outside pieces group 7, become the electric toothbrush 20 not producing the sparse sense of bristle, the width making outside pieces group 7 will not be excessive, make the motion smoothing of taper hair 10, it is possible to provide gingiva portion is contacted the electric toothbrush 20 that temperature-sensitive soft gingiva cleaning property is excellent.Especially in electric toothbrush 20, when making outside pieces 13 contact with gingiva portion while vibrations, during compared with manual operation, the brush that outside pieces 13 brings is swept sense and is become strong, even if thus when using as electric toothbrush 20, the motion smoothing of taper hair 10, does not hinder the contact to gingiva portion, thus sense is swept by available good gingiva portion brush.
Formed less than pore 5 is planted in outside additionally, the central authorities constituting central authorities' pieces 13 to be planted pore 6, thus the contact sense taking into account gingiva portion can be provided good and the electric toothbrush 20 of cleaning raising in gingiva portion.
Further, the ratio always planting Rhizoma Imperatae number always planting the Rhizoma Imperatae number taper hair 10 with outside pieces group 7 of the bristle of central authorities pieces group 8 is expressed as [always the planting Rhizoma Imperatae number of the bristle of central authorities pieces group 8]/[always the planting Rhizoma Imperatae number of the taper hair 10 of outside pieces group 7], it is more than 0.05, less than 0.25 by being allowed to, can ensure that the quantity of the bristle 12 of central authorities pieces group 7, it is provided that effectively except the electric toothbrush 20 of stain.
In electric toothbrush 20, by being assemblied on shank 21 by lid 30, hiding toothbrush 1 can be covered, accordingly, state that can be excellent in Portability.Such as, when being contained in handbag or bag, cosmetic case etc., toothbrush 1 can be prevented to be contaminated.
Additionally, in order to Portability is excellent, when lid is cylindric, it is desirable to the diameter (diameter measured from the outside of lid) of lid 30 is the least.
Such as, if assuming together to be contained in cosmetic case by cosmetics such as women and lipsticks, it is contemplated that without compromising on Portability compared with the diameter of lipstick etc., it is desirable to a diameter of φ 14～φ about 20mm of lid 30.Therefore, if considering, the thickness of the head 3 of the diameter of lid 30, the outer wall thickness of lid 30, toothbrush 1 is about 3mm, it is desirable to the staple length of taper hair 10 is, the scope of more than 4.5mm below the 8.5mm as described in the explanation of toothbrush 1.
Additionally, as stated previously, can obtain by being provided with the effect that toothbrush 1 is obtained.
Additionally, when being shaped as cubic of lid, preferable width is 9.0～20mm, and the degree of depth is 12～20mm.
[embodiment]
The way recorded according to table 1, the toothbrush of shape shown in trial-production Fig. 7.
In the toothbrush of trial-production, pore is planted in the outside making the diameter shown in table 1, the both sides of head (long 18.95mm, wide 8.7mm, thick 3.5mm) it is the most each 5, adjacent outside is planted and is spaced apart 3.20 (distance between centers) mm between pore, is formed and amounts to 10 or 12 (embodiment 7) outside and plants pore.Planting outside these in pore, to plant gross density shown in table 1, with lenticular wire implantation toper hair (ST described in table 1), making staple length is 6mm.Table 1 describes bristle diameter, the area in territory, hair-fields is planted in outside, gross density is planted in outside, hair end prunes shape (profile).The profile 1mm of embodiment 8 refers to, plants in pore, and outside is shorter than inner side, its staple length is poor is 1mm.
[table 1]
In addition, pore is planted as central authorities, on the center side of head, the length direction of head, pore total 17 is planted by the central authorities of diameter shown in formation table 1, and pore 6 is planted by the central authorities being respectively outside, pore 5 is planted by the central authorities of inner side, pore 6 is planted by the central authorities in outside, is formed as plover shape.The meaning of plover shape is, on the position of the center that the spacing of pore is planted by the central authorities in the specific row arranged in the direction of the axisl, pore is planted by the central authorities of the adjacent row that are arranged.When being configured to plover shape, on the length direction of head, the spacing between pore is planted by the adjacent central authorities of arrangement is 1.6mm, and on the width of head, the column pitch of pore is planted by the central authorities of configuration is 0.9mm.Outside along the width of head is planted the interval (distance between centers) of pore and is set to 4.90mm, and 2 central authorities of the front position arrangement of head plant the spacing distance of pore and head front center and are set to 2.35mm.
Centre is planted in pore in these, to plant gross density shown in table 1, implants straight hair (cross section five blade profile: star) staple length 5mm with lenticular wire.Table 1 has been recorded central authorities plant the diameter of pore, bristle diameter, the area in territory, hair-fields is planted by central authorities, gross density is planted by central authorities, hair end prune shape (profile).In table, (the longest staple length (to the length at top of ripple) is 5mm to the triangle wave mode that is shaped as that hair end prunes that represents of " insertion waves ", undercoat length (to the length of bottom of ripple) is 1.0～1.5mm with the staple length difference of the longest staple length), the meaning of " plane " is, the shape that hair end is pruned is level.
As comparative example, make toothbrush based on each way shown in table 2.With toothbrush and the toothbrush of comparative example of embodiment, carry out following evaluation experimental, each experimental result record in the lump with in Tables 1 and 2.
<the sophistication evaluation experimental of bubble>
Brush in Lion Corporation is swept and is installed each embodiment and the toothbrush of each comparative example on machine, and then sweeps toothpaste and the water of 2 multiple doses loading onto 1g on plate at brush, and brushing force=200g, brush sweeps 60 times.After having brushed, reclaim foam, measure the diameter of 20 bubbles with optical microscope at random.The diameter of bubble is the least, and the foam of generation is the finest and the smoothest.The diameter (mm) of the numeric representation bubble in table.
Metewand is as follows.
The average diameter of ◎: 20 bubbles is less than 0.12mm
The average diameter of zero: 20 bubble is more than 0.12mm, less than 0.16mm
The average diameter of △: 20 bubbles is more than 0.16mm, less than 0.20mm
×: the average diameter of 20 bubbles is more than 0.20mm
[table 2]
<evaluation experimental of the motion easness of hair>
The organoleptic test evaluation made by expert group 10 people.The motion easness of the hair of toothbrush is according to following benchmark evaluation.
4 points: the hair of toothbrush fully bends, the very kinesthesia of hairiness.
3 points: the hair flexure of toothbrush, the kinesthesia of hairiness.
2 points: the Maonans of toothbrush is with flexure, it is difficult to feel that hair moves.
1 point: the hair of toothbrush does not bends, it is impossible to feel that hair moves.
The evaluation result of 10 people is average, according to following benchmark, will ensure that the toothbrush of the motion easness of the hair of ◎ and zero, it is judged that for the toothbrush that the motion easness of hair is good.
More than ◎: 3.5 points less than 4.0 points
More than zero: 3.0 point less than 3.5 points
More than △: 2.0 points less than 3.0 points
×: less than 2.0 points
<except stain evaluation experimental>
1. the manufacture method of spot attachment HAP
By hydroapatite particles (HAP) surface (HOYA Corp.'s system, diameter 7mm × thickness 3.5mm) with after blasting treatment, in neutral lotion aqueous solution, clean with sonic washing machine.Phosphate aqueous solution with 30% etches surface (10 minutes), washing, natural drying.For above-mentioned HAP, with ferric citrate (III) aqueous ammonium of albumin aqueous solution → tannic acid extracting solution → 0.6% of 0.5%, the repeated impregnations of each 1 hour is operated and repeats 50 times, carry out at normal temperatures 1 day air-drying, clean with flowing water, then air-dry, make the HAP of spot attachment.
In addition, tannic acid extracting solution is in the ion exchange water 1200mL of boiling, put into Japan tea (trade mark: Lao Song) 50g, black tea (Amada Co., Ltd. of Uniliver system, BRISK tea bag) five bags, instant coffee (trade name Nescafe, Amada Co., Ltd. of nest system) 12g, place an evening, Japan tea and black tea are filtered to remove and make.The color on the surface of the HAP of the spot attachment made is measured, using its value as L1 with beam splitting type colour difference meter (Japan electricity Se Industrial Co., Ltd system, model: SE-2000).
2. test except stain
The dentifrice composition of 1g is diluted in the pure water of 2 times amount, makes toothpaste dispersion liquid.The hydroapatite particles that the ferric tannate spot made in aforementioned manners is adhered to be impregnated in toothpaste dispersion liquid, to each embodiment and the toothbrush of each comparative example, with following method evaluation.
Brush in Lion Corporation is swept and is installed each embodiment and the toothbrush of each comparative example on machine, brushing force=200g, measures brush and sweeps the Lab value (L2) of the HAP after 20 times.Based on lower note formula, calculate except stain amount.
Ferric tannate spot removal amount=L2-L1
According to except stain amount, according to the benchmark of lower note, evaluate except stain effect.Numeric representation in table removes stain amount.
Metewand except stain effect
◎: except stain amount more than 12
Zero: except stain amount more than 9, less than 12
△: except stain amount more than 6, less than 9
×: except stain amount is less than 6
<contact sense evaluation experimental>
The organoleptic test evaluation made by expert group 10 people.Gingiva is contacted by toothbrush the following benchmark evaluation of sense.
4 points: the most bitterly, contact sense is the best for gingiva.
3 points: gingiva the most bitterly, feel by contact.
2 points: gingiva feels a little pain.
1 point: gingiva feels very pain.
The evaluation result of 10 people is average, according to following benchmark, will ensure that the contact sense of ◎ and zero, it is judged that for the toothbrush that contact sense is good.
More than ◎: 3.5 points less than 4.0 points
More than zero: 3.0 point less than 3.5 points
More than △: 2.0 points less than 3.0 points
×: less than 2.0 points
<overall merit>
◎: all ◎.
Be worst evaluation at zero: zero.
△: △ is worst evaluation.
×: if having 1 × when occurring.
Based on the result shown in table 1, possess in the toothbrush of the central pieces group of multiple bristles composition of spread configuration on the length direction of head and the outside pieces group of taper hair composition, when the height (staple length) of the hair constituting any bristle of central authorities pieces group and outside pieces group is below 8.5mm, taper hair is 3000/cm2Above high density plants hair, is 20～30% at the width of outside pieces group relative to the width of head, and the gross density of planting of central authorities pieces group is 400/cm2Above, 1000/cm2Following toothbrush has following characteristics.I.e., can provide the motion easness excellence of the fine and smooth foaming characteristic of toothpaste, hair end, the taper hair that head both sides are arranged exists with necessary sufficient ratio, thus outside pieces group does not has the sensation that bristle is sparse, excellent appearance, by the existence of central authorities pieces group except the toothbrush that stain is excellent.
On the other hand, the toothbrush of comparative example 1, it is 2496/cm that gross density is planted in the outside of taper hair2, less than 3000/cm2, thus the fine and smooth aspect bubbled is the most not enough.
The toothbrush of comparative example 2, be outside plant that the diameter of pore is less, 1 outside pieces faciation for ratio is less than 20% the 18.4% of the width of head toothbrush, but owing to the width of outside pieces group is less, with the sensation that bristle is sparse, the good aspect of outward appearance is poor.That is, even if gross density is planted more than 3000/cm in the outside of taper hair2, also can be less because of the width of outside pieces group, with the sparse sense of bristle during observation toothbrush entirety.Additionally, due to the width of outside pieces group is less, the contact sense of toothbrush is poor.
The toothbrush of comparative example 3, is to make outside plant the diameter of pore to increase to the example of 34.5% relative to head width, but relative to the width of head, outside 1 group, the width of pieces group is excessive, produces the motion easness of taper hair and limits.Additionally, central authorities to plant gross density less, except stain power is not enough.
The toothbrush of comparative example 4 is, staple length is all foreshortened to the sample of 4.0mm by central authorities' bristle of pieces and the taper hair of outside pieces.When staple length is too short, even if being expected value relative to the width of the outside pieces of the width of head, and planting Rhizoma Imperatae number ratio for expected value, also can lose the motion easness of hair, infringement outward appearance good, contact sense is also deteriorated.
The toothbrush of comparative example 5 is, gross density is planted more than 1000/cm by central authorities2Excessive example, the motion easness of hair is impaired, except stain amount is the most not enough.
[industrial applicability]
According to the present invention, it is possible to provide a kind of toothbrush, being that the height of the hair of any bristle of central authorities pieces group and outside pieces group is below 8.5mm, the portable toothbrush shorter than general toothbrush, by making outside pieces group be taper hair, carry out 3000/cm2Above high density plants hair, and the foaming of toothpaste while staple length shortens, can be made to bubble for exquisiteness.
Further, it is 20～30% relative to head width by making the width being made up of, being positioned at each outside pieces group of the width both sides of head taper hair, the necessary width guaranteed as outside pieces group can be become, the toothbrush that contact sense is good, the width that will not make outside pieces group can be provided excessive, make the motion smoothing of taper hair, the toothbrush that the motion easness of hair is excellent.
Additionally, be 400/cm by making the gross density of planting of central authorities pieces group2Above, 1000/cm2Below, it is possible to provide while staple length shortens, possess sufficiently except the toothbrush of stain power.
Claims (7)
1. a toothbrush, the front end of cervical region is provided with head, and multiple the planting formed on hair side of planting at described head is implanted with pieces in pore, wherein,
Described hair side of planting is provided with: the central pieces group that multiple central authorities pieces of spread configuration is constituted on the length direction of described head, the outside pieces group constituted with the outside pieces being positioned at the width both sides of described head the width both sides that are positioned at described central authorities pieces group
The outside pieces constituting described outside pieces group is made up of taper hair, and planting gross density is 3000/cm2Above, the width of each outside pieces group of the width both sides of described head is more than 20%, less than 30% relative to the width of described head,
The height of the bristle constituting described central authorities pieces and the described taper hair constituting described outside pieces is below 8.5mm,
The gross density of planting of described central authorities pieces group is 400/cm2Above, 1000/cm2Below.
Toothbrush the most according to claim 1, the ratio always planting Rhizoma Imperatae number always planting Rhizoma Imperatae number and the described taper hair of described outside pieces group of the bristle of described central authorities pieces group is more than 0.05, less than 0.25.
3., according to the toothbrush of claim 1 or 2 record, described in the aspect ratio of described central authorities pieces group, the height of outside pieces group is low.
4., according to the toothbrush recorded any one of claims 1 to 3, the cross section of described bristle is irregular tee section.
5., according to the toothbrush recorded any one of Claims 1 to 4, what the hair end of described central authorities pieces group was trimmed to is shaped as waveform.
6. according to the toothbrush recorded any one of Claims 1 to 5, planting in pore at 1, the outside of described outside pieces is shorter than inner side, and its staple length difference is 0.5～1.5mm.
7. an electric toothbrush, the front of its shank is provided with the toothbrush recorded any one of claim 1～6.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013270313A JP6170835B2 (en) | 2013-12-26 | 2013-12-26 | Toothbrush and electric toothbrush |
| JP2013-270313 | 2013-12-26 | ||
| PCT/JP2014/083557 WO2015098695A1 (en) | 2013-12-26 | 2014-12-18 | Toothbrush and electric toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105828746A true CN105828746A (en) | 2016-08-03 |
| CN105828746B CN105828746B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480068711.0A Active CN105828746B (en) | 2013-12-26 | 2014-12-18 | Toothbrush and electric toothbrush |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6170835B2 (en) |
| KR (1) | KR20160103982A (en) |
| CN (1) | CN105828746B (en) |
| WO (1) | WO2015098695A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD883677S1 (en) | 2018-12-13 | 2020-05-12 | Colgate-Palmolive Company | Toothbrush |
| CN112972040A (en) * | 2021-02-08 | 2021-06-18 | 好维股份有限公司 | Electric toothbrush head and manufacturing method thereof |
| US11266226B2 (en) | 2018-12-13 | 2022-03-08 | Colgate-Palmolive Company | Oral care implement |
| USD961269S1 (en) | 2020-07-31 | 2022-08-23 | Colgate-Palmolive Company | Oral care implement |
| US11622618B2 (en) | 2018-12-13 | 2023-04-11 | Colgate-Palmolive Company | Oral care implement |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2918191B1 (en) | 2014-03-11 | 2024-01-24 | The Procter & Gamble Company | Head for an oral care implement |
| JP6973900B2 (en) * | 2016-05-31 | 2021-12-01 | 花王株式会社 | toothbrush |
| EP3251548B1 (en) | 2016-06-03 | 2024-02-14 | The Procter & Gamble Company | Filament for an oral care implement and oral care implement |
| ES2795427T3 (en) * | 2016-06-03 | 2020-11-23 | Procter & Gamble | Head for an oral care utensil and oral care utensil |
| EP3488940A4 (en) * | 2016-07-19 | 2020-03-04 | Sharp Kabushiki Kaisha | Cleaning device |
| US10251470B1 (en) | 2017-10-10 | 2019-04-09 | The Procter & Gamble Company | Head for an oral care implement and oral care implement |
| US10869546B2 (en) | 2017-10-10 | 2020-12-22 | The Procter & Gamble Company | Tuft and head for an oral care implement and oral care implement |
| US10869545B2 (en) | 2017-10-10 | 2020-12-22 | The Procter & Gamble Company | Filament for an oral care implement and oral care implement |
| US11219302B2 (en) | 2017-10-10 | 2022-01-11 | The Procter & Gamble Company | Head for an oral care implement and oral care implement |
| US20210068526A1 (en) * | 2018-03-29 | 2021-03-11 | Sangsi Co., Ltd. | Toothbrush |
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- 2014-12-18 KR KR1020167014740A patent/KR20160103982A/en not_active IP Right Cessation
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| JP2003250632A (en) * | 2002-02-28 | 2003-09-09 | Lion Corp | Toothbrush |
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| USD883677S1 (en) | 2018-12-13 | 2020-05-12 | Colgate-Palmolive Company | Toothbrush |
| USD943283S1 (en) | 2018-12-13 | 2022-02-15 | Colgate-Palmolive Company | Toothbrush |
| US11266226B2 (en) | 2018-12-13 | 2022-03-08 | Colgate-Palmolive Company | Oral care implement |
| US11622618B2 (en) | 2018-12-13 | 2023-04-11 | Colgate-Palmolive Company | Oral care implement |
| USD961269S1 (en) | 2020-07-31 | 2022-08-23 | Colgate-Palmolive Company | Oral care implement |
| CN112972040A (en) * | 2021-02-08 | 2021-06-18 | 好维股份有限公司 | Electric toothbrush head and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105828746B (en) | 2017-10-24 |
| WO2015098695A1 (en) | 2015-07-02 |
| JP6170835B2 (en) | 2017-07-26 |
| KR20160103982A (en) | 2016-09-02 |
| JP2015123245A (en) | 2015-07-06 |
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