CN101686752A - Toothbrush with long tapered bristles and short non-tapered bristles - Google Patents
Toothbrush with long tapered bristles and short non-tapered bristles Download PDFInfo
- Publication number
- CN101686752A CN101686752A CN200880022481A CN200880022481A CN101686752A CN 101686752 A CN101686752 A CN 101686752A CN 200880022481 A CN200880022481 A CN 200880022481A CN 200880022481 A CN200880022481 A CN 200880022481A CN 101686752 A CN101686752 A CN 101686752A
- Authority
- CN
- China
- Prior art keywords
- bristle
- bunch
- long
- short
- face
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0276—Bristles having pointed ends
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
- A46B15/0069—Brushes fitted with a interdental devices, e.g. toothpick
- A46B15/0071—Toothbrushes with flossing arrangements
-
- 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
Toothbrush heads with bristle tufts comprised of longer tapered bristles and shorter non-tapered bristles in respective embodiments comprising tufts which include both tapered and non-tapered bristles, and comprising an outer ring of tufts of non-tapered bristles round an inner region of tufts of longer tapered bristles.
Description
Technical field
The present invention relates to toothbrush, relate in particular to the bristle configuration of toothbrush.The present invention relates to comprise the toothbrush bristle structure of the improvement of tapered bristles filament particularly.
Background technology
Toothbrush is well-known article, and it generally includes the head of the mouth that is used for inserting the user, and be held during use grasp handle, and neck shape zone is often arranged between the two.Toothbrush head has the surface that is referred to herein as " bristle face " usually, and bristle extends to the upper end away from this bristle face from the lower end of close bristle face from this surface.Toothbrush bristle also is well-known article, generally includes rigidity but the filament of pliable and tough material, be arranged to many filaments extending from this bristle face bunch.Polyamide nylon is through being often used as the toothbrush bristle material.
Although bristle filaments has identical cross section along its whole length from its lower end to its upper end in most of toothbrush, also known use tapered bristles, this bristle reduces towards its upper end cross section.Thinner in the top tapered bristles has and different bending and the flexibility characteristics of non-convergent shape filament.The effect of tapered bristles aspect the interdental gap that enters so-called " between the neighbour " gap is especially known.For example especially at EP-A-1234525, EP-A-1415572, US-A-6,546,586, WO-A-97/42853, WO-A-97/42854, WO-A-01/32053, WO-A-82741, disclosed this type of bristle among the EP-A-0596633.
The specific positioned opposite of tapered bristles also is known on the bristle face.US-A-6 for example, 546,586 disclose a kind of toothbrush head, and wherein each bunch comprises the bristle filaments that polybutylene terephthalate is made, and is short filament with identical cross-section and towards the shape of long filament of its upper end convergent.Also known that will grow with short bristle filaments makes up cluster from other is open, US-A-3 for example, 103,679, WO-A-96/16571 and DE-A-3528596.
Two kinds of methods of producing this type of tapered bristles are arranged usually.A kind of is the end of chemically corroding bristle filaments; Another kind is mechanically they to be denuded into convergent shape.Have been found that at toothbrush head very difficult in accurately abrasion bristle filaments of original place.Known disclosed a kind of known this type of toothbrush in WO-A-96/16571 is because bad mouthfeel and commercial and unsuccessful.
Summary of the invention
The toothbrush head that the purpose of this invention is to provide a kind of improvement, it is in conjunction with the tapered bristles filament, and this bristle filaments is especially sentenced at the gum edge in the gap between the neighbour and is entered (subgingivalaccess) under the gum cleaning of teeth for example is provided, and has the advantage in the manufacturing.Other purpose of the present invention and advantage will become obvious from following description.
According to a first aspect of the invention, a kind of toothbrush head is provided, it has bristle face, comprise bunch extending along bristle direction of many bristles from this bristle face, each bunch comprises short bristle and long bristle, short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of long bristle begins in the upper end of short bristle, and wherein be positioned at short bristle upper end long bristle length for from 4mm until 7mm.
Have been found that the upper end at short bristle has the helping by making this toothbrush head to carrying out abrasion than the upper end of long bristle than toothbrush head long, tapered bristles until 7mm length from 4mm, especially when bristle filaments by preferred polyamide (for example nylon, especially Tynex
TMUnder the situation about material) making.This be especially owing to can denude into the end of bristle filaments the current optimal state of the available machinery of convergent profile, and such as Tynex
TMThe bristle filaments properties of materials.
Preferably the length of long bristle of the upper end of short bristle be from greater than 4mm until 7mm.The length that typically short bristle extends from bristle face is 9 ± 1mm, and the length that long bristle extends from bristle face is 13 ± 1mm.
Typically the cross section of filament can be circle, typically is 0.1-0.25mm, for example maximum 0.15-0.20mm.This is typical standard size for toothbrush bristle filaments.Typically long bristle can be at its convergent on the whole length of the upper end of short bristle.
According to a second aspect of the invention, a kind of toothbrush head is provided, it has bristle face, comprise bunch extending along bristle direction of many bristles from this bristle face, each bunch comprises short bristle and long bristle, short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of long bristle begins in the upper end of short bristle, and wherein each described bunch is placed in bunch seat, and bunch seat has longitudinal direction across bristle filaments and is in minimum dimension in the 1.7-2.4mm scope.
Have been found that bunch seat (typically be circle and make its diameter this scope in) of use in this size range is for being favourable in will being combined in than short and long bristle pack bunch.It is believed that this is because such size makes packing density become possibility, this packing density makes short bristle can support long bristle for favourable cleaning of teeth effect, and long filament to apply the short filament of force rate more pliable and tougher for identical.Bunch discovery situation for the toothbrush head of a first aspect of the present invention is especially true.
Typically toothbrush tuft has the standard depth of 3.4-3.8mm.Bunch seat degree of depth that has been found that 3.6mm bunch is suitable for the toothbrush head of first aspect present invention.
According to a third aspect of the invention we, a kind of toothbrush head is provided, it has bristle face, comprise bunch extending along bristle direction of many bristles from this bristle face, each bunch comprises short bristle and long bristle, and short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of long bristle begins in the upper end of short bristle, and each bunch comprises the long filament that the 2-12 root extends from this bristle face.Short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from this bristle face preferably arranged.
This number range of bristle filaments can be favourable acceptable mouthfeel being provided and the bristle of growing being entered aspect interdental in finding bunch.Long bristle filaments may make the user feel under the weather very little, and is too many then may make and be not easy to make more that the filament of growing of big figure enters between the tooth.
Have been found that for optimum efficiency, the filament that the 5-7 root is long, preferably short filament and the long filament of 5-7 root of 26-28 root is suitable number.
Therefore in a fourth aspect of the present invention, in toothbrush head, combine first and the third aspect, and provide toothbrush head, it has bristle face, comprise bunch extending along bristle direction of many bristles from this bristle face, each bunch comprises short bristle and long bristle, short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of long bristle begins in the upper end of short bristle, and wherein be positioned at short bristle upper end long bristle length for from 4mm until 7mm, and wherein each bunch comprises the long filament that the 2-12 root extends from this bristle face.
In this fourth aspect, short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from this bristle face arranged preferably.
In a fifth aspect of the present invention, in toothbrush, combine aspect above-mentioned whole three.
Therefore provide a kind of toothbrush head in the 5th aspect, it has bristle face, comprise bunch extending along bristle direction of many bristles from this bristle face, each bunch comprises short bristle and long bristle, short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of long bristle begins in the upper end of short bristle, and the length than long bristle that wherein is positioned at the upper end of short bristle is until 7mm from 4mm, wherein each described bunch is placed in bunch seat, bunch seat has the minimum dimension that is in the 1.7-2.4mm scope, and wherein each bunch comprises short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from this bristle face.
In described brushing cluster, short and long bristle filaments can disposed in various ways.For example long bunch can be arranged among the short bristle filaments randomly.Alternatively, long bristle can around bunch center axis arranged up and down, for example be arranged to mainly or fully comprise central area than long brush hairs.
In toothbrush head of the present invention, described bunch can be on bristle face with otherwise be generally conventional graphical layout.
Yet in a preferred embodiment, described bunch can be arranged to such figure on bristle face, this figure is included on each vertical side by only comprising described described bunch inside clump of bunch side joint of short bristle filaments, described bunch comprises short bristle and long bristle, short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of long bristle begins in the upper end of short bristle.In addition, can be described in this figure bunch inside clump by only comprising the described bunch encirclement of short bristle filaments on all sides.
On the bristle face of toothbrush head of the present invention, for example also can have by such as nylon (Tynex for example
TM) the brushing cluster of the known type made of known materials.The tooth or the gums sanitary element that extend from this bristle face also can be arranged, for example the elastic material component of known type.
A sixth aspect of the present invention provides another dependency structure of convergent and non-tapered bristles filament.
According to this 6th aspect of the present invention, a kind of toothbrush head is provided, it has bristle face, comprise bunch extending along bristle direction of many bristles from this bristle face, bunch on this bristle face, be arranged to figure, this figure comprises relatively a plurality of bunches interior clump, and each bunch comprises from its lower end to the relatively long bristle of its upper end convergent, and this figure also comprises a plurality of relative outer bunch of relatively short bristle.
Bunch can form by the relatively bristle of length of convergent fully in relatively interior clump.
A plurality of relatively outer bunch can along bunch two or more outsides of figure be arranged to neighboring bunch.For example this a plurality of relatively outer bunch can be arranged to along the outer tufts of two horizontal opposite sides of bunch figure.For example outer tufts can be arranged to the ring around the periphery of all sides of relatively interior bunch bunch.From the end of toothbrush handles bunch figure farthest, " distal end " of outer bunch end can be arranged in the surface, and for example in the plane, this plane increases the distance apart from this bristle face along with the fore-and-aft distance of distance handle.For example, one clump of outer tufts can be arranged at the distal end place of head, the polygon of outer tufts for example, and their upper end is in such surface.
This a plurality of relatively outer bunch can comprise along their lower-upper length have non-tapered cross section bunch.This a plurality of relatively outer bunch can be fully by bunch constituting that the lower-upper length along them has that the bristle of uniform cross sections forms.
Difference between the length that relatively long bristle and relatively short bristle extend out separately from bristle face can be 2-7mm, typically is 2-4mm.It is long that typically short outer tufts can be 9-11mm.Whole bristle filaments on the toothbrush head of this 5th aspect of the present invention can be by polyamide (for example nylon, especially Tynex
TMMaterial) makes.
The handle and the other parts that are provided with the toothbrush of head of the present invention can be conventional in addition, and can be made by conventional material, such as the known polypropylene material that is used for toothbrush.
This toothbrush head for example can be provided as and integrally be attached on the toothbrush handles by the whole neck in centre, perhaps can be attached on the toothbrush handles replaceably.This toothbrush handles of the present invention can be provided as and be used for manual toothbrush or electric toothbrush.
This toothbrush head of the present invention can be by following technology manufacturing, wherein be the short bristle of non-convergent state and long bristle with long bristle in the state that the upper end of short bristle is extended inserts bunch seat hole in the toothbrush head, and mechanically the upper end of the bristle of length wear into the convergent shape.The machinery that can carry out this type of mechanical wear is known in the toothbrush manufacturing.
Alternatively, bristle filaments can be to be the tapered shape buying.This type of that two kinds of main types are arranged can the commercial tapered bristles that obtains.
Double ended bristle filaments is convergents all at two ends, and are installed in the toothbrush bristle face by they are converted into " U " font in the centre usually, and use the zone line that collapses that conventional " deadman " will be somebody's turn to do " U " font to be placed in the hole in the bristle face.In toothbrush head of the present invention, the bristle filaments of convergent and non-convergent can comprise this type of double end filament, and this double end filament is converted into routinely that " U " font and kink that should " U " font insert the seat hole and the metal anchors earnest by routine remains on wherein.In this structure, the length of each " U " font filament provides two sections bristles that extend from bristle face.
The single head bristle filaments is convergent at one end only, and usually by collapsing " J " font to be installed in the toothbrush bristle face near non-tapered end them, and use the end regions that collapses that conventional " deadman " will be somebody's turn to do " J " font to be placed in the hole in the bristle face.
Alternatively, the brushing cluster of toothbrush head of the present invention can use known " no deadman " or " in-mould injection (inmould) " process Installation in bristle face, the part that wherein will be placed in the bristle in the head is closed in the injection mould, and the plastic material of head injected in this mould, thereby bristle filaments is embedded in this head.
Bunch can these conventional modes being installed in the toothbrush head of the present invention of convergent.
In the toothbrush head of a sixth aspect of the present invention, this single ended filaments is preferred, because it provides preferred bristle density in long bunch.
Description of drawings
Now will be in the mode of example only by describing the present invention with reference to the accompanying drawings, accompanying drawing has shown:
Fig. 1 is the perspective view of toothbrush head of the present invention.
Fig. 2 is the sectional view of the part of toothbrush head of the present invention.
Fig. 3 cuts the viewgraph of cross-section of seeing the brushing cluster of the head by Fig. 2 along the direction of arrow at the line A-A place of Fig. 2.
Fig. 4 is the side view of another toothbrush head of the present invention.
Fig. 5 is the side view of another toothbrush head of the present invention.
Fig. 6 is the plane of bristle face of the toothbrush head of Fig. 5.
The specific embodiment
With reference to figure 1,2 and 3, shown the integral body of toothbrush head 10, it has bristle face 11, and bunches 12 stretch out along bristle direction " B " from this bristle face 11, and bunch 12 (usually) comprise many bristle filaments, and bristle direction " B " is usually perpendicular to bristle face.Bristle filaments is by nylon material Tynex
TMMake.The contiguous bristle face in the lower end of each bunch 12; Opposite upper end is away from bristle face.
Each bunch 12 comprises short bristle 13 and long bristle 14, and short bristle 13 has not from their lower end to the cross section of their upper end convergent, and long bristle 14 from their lower end to their upper end convergent.As finding more clearly in Fig. 2, with common conical shape convergent, the convergent of long bristle 14 begins in the upper end of short bristle 13 long bristle 14 to their upper end.The length that shows among Fig. 2 " d " is about 6mm, and this length is the length that long bristle 14 extends in the upper end of short bristle 13.Short bristle 13 is about 9mm from the extended length of bristle face, and long bristle 14 is about 13mm from the extended length of bristle face.The bristle filaments 13 of weak point, and long bristle filaments 14 is on the length below the upper end of short bristle, and its cross section is circular, and diameter is 0.15-0.20mm, is typical standard size for toothbrush bristle filaments.
Each bunch 12 is installed in the corresponding bunch of seat 15, and bunch seat 15 has the minimum dimension in the 1.7-2.4mm scope perpendicular to the length direction of bristle.The total depth in bunch seat hole 15 is 3.6mm, is the cylindrical of the 3.3mm degree of depth and shallow taper shape thereunder.This is standard depth and profile.Each bunch 12 comprises the double ended bristle filaments that is folded into " U " font, and is somebody's turn to do the kink insertion bunch seat 15 of " U " font and metal " deadman " 16 fix in position by being used for Tooth-brush structure routinely in this hole 15.In this structure, be converted into each bristle filaments of such " U " font thereby two bristle filaments 13,14 of extending from bristle face 11 are provided.
Each bunch 12 comprises short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from bristle face 11.In bunches 12 shown in Fig. 1-3, long bristle 14 is axis arranged up and down around the center of this bunch 12, random arrangement for example, perhaps be arranged in as shown in Figure 3 by the external collar of short bristle 13 around the central area that is mainly long bristle 14 in.
Toothbrush head 10 of the present invention has formed neck 17, and head is connected to integratedly by this neck and grasps on the handle (not shown).Be the portion that flexibly connects 18 with known structure between neck 17 and head 10, it comprises the zone by the attenuation of the spherical neck 17 that surrounds of elastomer.
As described below, by above toothbrush according to Fig. 1 to 3 being compared with two commercial toothbrushes that do not have tapered bristles and it having been carried out experimental evaluation.
Experiment 1: enter effect between the neighbour, IAE
Method.
Estimated three toothbrush product in this research, a toothbrush is provided with the toothbrush head of Fig. 1 to 3, and this toothbrush can commercial acquisition be " Dr Best Zwischenzahn now
TM" toothbrush (this paper claims " experiment toothbrush "), and two other toothbrushes, be Oral-B Cross Action 40
TMToothbrush (this paper claims " toothbrush A ") and Oral-B Indicator 35
TMToothbrush (this paper claims " toothbrush B "), two toothbrushes all have neutral material bristle.All experiment toothbrushes are by the GlaxoSmithKlinc Consumer Healthcare GmbH ﹠amp of German Buchl; Co.KG provides.Six toothbrushes from each product group (promptly testing toothbrush and toothbrush A and toothbrush B) are tested four times to carry out 24 experiments altogether to every kind of toothbrush design.Toothbrush is being preserved more than 48 hours under 67-70 the temperature in the laboratory before experiment.Employed laboratory equipment is according to Nygaard Ostby, and Edvardsen and Spydevold manufacture and design.Toothbrushing technique relates to the independent assessment of every toothbrush in vertical and level are brushed teeth motion, teeth patterning simulation front tooth and back tooth, and the brushing pressure of 250g (brushing weight).Tooth brushing device is arranged to stroke brush 15 seconds each seconds two, and stroke is 50mm.The Breadth Maximum of the artificial dental plaque of being removed (enters effect, IAE) uses slide measure to be unit record with cm between the neighbour.Carry out all evaluations by same inspector.Carry out variance analysis (ANOVA) for every toothbrush product with average mark.Use the notable difference between the two sample t test differentiation toothbrush.
Purpose
Assessment toothbrush bristle ability employed a kind of main method is to thrust between the tooth of simulation and remove artificial dental plaque at the process toothbrush bristle of brushing teeth in the laboratory, promptly enters effect (IAE) between the neighbour.On the front tooth shape of simulation and back odontoid, estimate the motion of brushing teeth of vertical and level.Then with the overall efficacy of result combinations with definite toothbrush product of being estimated.Overall efficacy during IAE analyzes is removed with clinical dental plaque to be associated.The purpose of this research is evaluation experimental toothbrush and toothbrush A and the effect of B in the IAE process.
Having illustrated in following form 1 brushes teeth for level enters effect between neighbour on front tooth shape or back profile of tooth tooth.For the experiment toothbrush, average IAE (p＜0.001) significantly is higher than toothbrush A and B.
The result.
In following form 2, illustrated for entering effect between the neighbour who vertically brushes teeth on front tooth shape or back profile of tooth tooth.For vertically brushing teeth in front tooth shape and back profile of tooth on the two, for the experiment toothbrush, average IAE is higher than (p＜0.001) toothbrush A and B significantly.
Form 2
In form 3, illustrated in conjunction with the overall performance of all brush teeth motion and teeth patternings average.For the experiment toothbrush, whole IAE mean value statistics ground (p＜0.001) is higher than the ensemble average value to toothbrush A and B.
Form 3
In performed whole IAE analyzed, the experiment toothbrush was higher than (p＜0.001) toothbrush A and B significantly.The experiment toothbrush is estimated to remove more effective than toothbrush A and B for dental plaque between clinical neighbour.
Experiment 2: gum edge cleaning.
Develop two kinds of laboratory methods and measured toothbrush effect in these anatomical area under gum edge and gum.Gum edge clean method (GMC) utilizes the pressure-sensitive paper of the wet covering dental plaque on the back tooth be placed on simulation, removes the ability of artificial dental plaque in simulation gingival tissues junction with toothbrush product relatively.Entering effect (SAE) method under second kind of gum has utilized the pressure-sensitive substrate that covers artificial dental plaque to estimate toothbrush bristle to thrust around the gum edge tissue of the simulation of back odontoid down and the ability of removing artificial dental plaque under the moistening condition of brushing teeth.The depth capacity of removed dental plaque also is defined as and enters effect (SAE) under the gum.
The purpose of these researchs is to entering effect under experiment toothbrush and toothbrush A and B evaluation gum edge cleaning and the gum.
Method and material.
The product of experiment is experiment toothbrush and toothbrush A and the B that as above determines in this analyzes.Six products from each group are tested four times in each analysis separately, estimate to carry out 24 times altogether.Laboratory equipment is according to Nygaard Ostby, and Edvardsen and Spydevold manufacture and design.The gums of simulation is prepared by the self-curing dental acrylic.Gum edge tissue uses dentistry textbook guide to form.Gap between acrylic resin gums and the teeth patterning is 0.2mm.Toothbrushing technique is the level motion of brushing teeth, the brushing pressure of simulation back tooth and 500g.
Gum edge cleaning.
Toothbrushing technique relates to the independent assessment of every toothbrush in level is brushed teeth motion, the brushing pressure of teeth patterning simulation back tooth and 500g.The toothbrush of testing aligns with the mastoid process of gum edge, and tooth brushing device is arranged to stroke brush 60 seconds each seconds two, and stroke is 15mm.For the cleaning (GMC) at gum edge place, write down the length of removed artificial dental plaque in the junction of simulation gums and pressure-sensitive paper.Reading is the unit measurement with mm by an investigator and amplifies 3 times.Suppose that variance does not wait, use the t test that the statistical significance between three groups is carried out data analysis.Enter under the gum.
Every toothbrush testing aligns with the mastoid process of gum edge, and tooth brushing device is arranged to stroke brush 30 seconds each seconds two, and haul distance is 15mm.After also centering on, writes down the gums that places simulation the depth capacity (SAE) of the dental plaque of being removed in the substrate of the artificial dental plaque of covering of odontoid tooth.Reading is the unit measurement with the millimeter by an investigator and amplifies 3 times.The toothbrush of being tested is calculated descriptive statistics (mean value and standard deviation).Suppose that variance does not wait, use the average SAE of two sample t test execution relatively.
The result
As shown in following form 4 and 5, compare with B with toothbrush A, find that the experiment toothbrush statistically will height (p＜0.001) aspect GMC and SAE.
Form 4
Form 5
Conclusion.
Carry out gum edge cleaning (GMC) effect and the artificial dental plaque that these laboratory researches estimate between toothbrush of the present invention and the three kinds of toothbrush product and remove the degree of depth.In these laboratory researches, find to compare Dr Best Zwischenzahn with B with toothbrush A
TMToothbrush for enter under gum edge cleaning and the gum effect significantly (p＜0.001) more effective.
With reference to figure 4,5 and 6, shown the integral body of another kind of toothbrush head 20, it has bristle face 21, and bunches 22 extend from this bristle face (usually) along bristle direction " B ".Head 20 integrally longitudinal extension for head is connected to the neck area 23 that grasps on the handle 24.Head 20, neck 23 and shank 24 are made by plastic material, have rubbery grip pad 25.Fig. 4, the toothbrush shown in 5 and 6 is a manual toothbrush.
Short outer tufts 27 is that about 10mm is long, and the inner tuft 26 of length is that about 13mm is long. Bunches 26,27 bristle filaments by polyamide material nylon (typically with title Tynex
TMSell) make, and typically diameter is 0.1-0.25mm.
Long tapered bristles filament 26 is single ended tapered filaments.
Fig. 5 has shown toothbrush head, wherein from the end of toothbrush handle part 24 bunch figure farthest, promptly is arranged in " distal end " of upper end of the outer tufts 28 on plane, and it increases its distance apart from bristle face 21 along with the fore-and-aft distance of distance shank 24.These bunches 28 are arranged to the polygon of outer tufts 28.
Claims (15)
1. toothbrush head, has bristle face, comprise bunch extending along bristle direction of many bristles from described bristle face, each bunch comprises short bristle and long bristle, short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and long bristle from its lower end to its upper end convergent, the convergent of described long bristle begins in the described upper end of short bristle, it is characterized in that the described length than long bristle that is positioned at the upper end of described short bristle is until 7mm from 4mm.
2. toothbrush head according to claim 1 is characterized in that, the length that described short bristle extends from described bristle face is 9 ± 1mm, and the length that described long bristle extends from described bristle face is 13 ± 1mm.
3. toothbrush head, has bristle face, comprise bunch extending along bristle direction of many bristles from described bristle face, each bunch comprises short bristle and long bristle, described short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and described long bristle from its lower end to its upper end convergent, the convergent of described long bristle begins in the described upper end of short bristle, and wherein each described bunch is placed in bunch seat, and bunch seat has longitudinal direction across bristle filaments and is in minimum dimension in the 1.7-2.4mm scope.
4. toothbrush head, has bristle face, comprise bunch extending along bristle direction of many bristles from described bristle face, each bunch comprises short bristle and long bristle, described short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and described long bristle from its lower end to its upper end convergent, the convergent of described long bristle begins in the upper end of short bristle, each bunch comprises the long filament that the 2-12 root extends from described bristle face.
5. toothbrush head according to claim 4 is characterized in that, short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from described bristle face arranged.
6. according to claim 4 or 5 described toothbrush heads, it is characterized in that the long filament of 5-7 root is arranged.
7. toothbrush head, has bristle face, comprise bunch extending along bristle direction of many bristles from described bristle face, each bunch comprises short bristle and long bristle, described short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and described long bristle from its lower end to its upper end convergent, the convergent of described long bristle begins in the described upper end of short bristle, it is characterized in that, be positioned at described short bristle upper end described long bristle length for from 4mm until 7mm, and each bunch comprises the long filament that the 2-12 root extends from described bristle face.
8. toothbrush head according to claim 7 is characterized in that, short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from described bristle face arranged.
9. toothbrush head, has bristle face, comprise bunch extending along bristle direction of many bristles from described bristle face, each bunch comprises short bristle and long bristle, described short bristle has not from the lower end of bristle to the cross section of the upper end of bristle convergent, and described long bristle from its lower end to its upper end convergent, the convergent of described long bristle begins in the described upper end of short bristle, and the described length than long bristle that wherein is positioned at the upper end of described short bristle is until 7mm from 4mm, wherein each described bunch is placed in bunch seat, bunch seat has the minimum dimension that is in the 1.7-2.4mm scope, and wherein each bunch comprises short bristle filaments and the long filament of 2-12 root of 20-30 root that extends from described bristle face.
10. toothbrush head, has bristle face, comprise bunch extending along bristle direction of many bristles from described bristle face, described bunch is arranged to figure on described bristle face, this figure comprises a plurality of bunches interior clump relatively, each bunch comprises from its lower end the relatively long bristle to its upper end convergent, and this figure also comprises a plurality of outer relatively bunch of relatively short bristle.
11. toothbrush head according to claim 10 is characterized in that, bunch complete relatively long bristle by convergent in interior relatively clump being formed.
12. according to claim 10 or 11 described toothbrush heads, it is characterized in that, described a plurality of relatively outer bunch along bunch two or more outsides of figure be arranged to neighboring bunch.
13. toothbrush head according to claim 12 is characterized in that, described a plurality of relatively outer bunch of rings that are arranged to around the periphery of all described interior relatively bunch sides bunch.
14., it is characterized in that the difference between the length that described relatively long bristle and described relatively short bristle extend out separately from described bristle face is 2-7mm according to each described toothbrush head in the claim 10 to 13.
15. toothbrush head according to claim 14 is characterized in that, the difference between the length that described relatively long bristle and described relatively short bristle extend out separately from described bristle face is 2-4mm.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0712642.8 | 2007-06-28 | ||
| GB0712646A GB0712646D0 (en) | 2007-06-28 | 2007-06-28 | Toothbrush |
| GB0712642A GB0712642D0 (en) | 2007-06-28 | 2007-06-28 | Toothbrush |
| GB0712646.9 | 2007-06-28 | ||
| PCT/EP2008/058213 WO2009000903A1 (en) | 2007-06-28 | 2008-06-26 | Toothbrush with long tapered bristles and short non-tapered bristles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101686752A true CN101686752A (en) | 2010-03-31 |
Family
ID=39760875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880022481A Pending CN101686752A (en) | 2007-06-28 | 2008-06-26 | Toothbrush with long tapered bristles and short non-tapered bristles |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US20090013489A1 (en) |
| EP (1) | EP2164362A1 (en) |
| JP (1) | JP5378370B2 (en) |
| KR (1) | KR20100042267A (en) |
| CN (1) | CN101686752A (en) |
| AR (1) | AR067350A1 (en) |
| AU (1) | AU2008267192A1 (en) |
| BR (1) | BRPI0813967A2 (en) |
| CA (1) | CA2690711A1 (en) |
| CO (1) | CO6280598A2 (en) |
| MX (1) | MX2009013951A (en) |
| TW (1) | TW200936077A (en) |
| WO (1) | WO2009000903A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103298369A (en) * | 2011-01-12 | 2013-09-11 | 高露洁-棕榄公司 | Oral care implement |
Families Citing this family (64)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164336A1 (en) | 2001-12-28 | 2003-07-17 | Trisa Holding Ag Triengen | Toothbrush and method of making such a toothbrush |
| DE10259723A1 (en) | 2002-12-19 | 2004-07-01 | Trisa Holding Ag | Toothbrush and process for making it |
| FR2933587B1 (en) * | 2008-07-09 | 2011-10-21 | Oreal | BRUSH FOR APPLYING A COSMETIC COMPOSITION WITH SYNTHETIC HAIR |
| USD645252S1 (en) | 2008-08-15 | 2011-09-20 | Mcneil-Ppc, Inc. | Toothbrush |
| USD680747S1 (en) | 2008-09-30 | 2013-04-30 | Dr. Fresh, Llc | Toothbrush feature |
| TW201034600A (en) * | 2008-12-15 | 2010-10-01 | Glaxosmithkline Consumer Healt | Novel device |
| GB0822855D0 (en) * | 2008-12-15 | 2009-01-21 | Glaxosmithkline Consumer Health | Novel device |
| USD658884S1 (en) | 2009-05-27 | 2012-05-08 | Mcneil-Ppc, Inc. | Toothbrush |
| US20110030160A1 (en) * | 2009-08-06 | 2011-02-10 | Mcneil-Ppc, Inc. | Bristle configuration |
| US20110138559A1 (en) * | 2009-12-10 | 2011-06-16 | Ronald Plotka | Toothbrush With Multi-Tiered Bristles |
| EP2420156A1 (en) | 2010-08-18 | 2012-02-22 | Trisa Holding AG | Toothbrush with brush bundles having bristles of different length and device for applying bristles to such a toothbrush |
| EP2420157B1 (en) | 2010-08-18 | 2016-03-30 | Trisa Holding AG | Toothbrush with brush topography structuring |
| PL2810583T3 (en) | 2013-06-06 | 2018-11-30 | Procter & Gamble | Head for an oral care implement |
| ES2720880T3 (en) * | 2013-06-06 | 2019-07-25 | Gillette Co Llc | Head for an oral care tool |
| ES2674939T3 (en) * | 2013-06-06 | 2018-07-05 | The Gillette Company Llc | Head for an oral care tool |
| CN103845132B (en) * | 2013-10-01 | 2016-07-06 | 深圳市亿恒工业技术有限公司 | A kind of automatic tooth-brush |
| USD749855S1 (en) | 2013-11-05 | 2016-02-23 | Colgate-Palmolive Company | Oral care implement |
| US10743645B2 (en) | 2013-11-05 | 2020-08-18 | Colgate-Palmolive Company | Oral care implement |
| USD751295S1 (en) | 2013-11-05 | 2016-03-15 | Colgate-Palmolive Company | Oral care implement |
| MX2016005479A (en) | 2013-11-05 | 2016-08-03 | Colgate Palmolive Co | Oral care implement. |
| MX2016005478A (en) | 2013-11-05 | 2016-08-03 | Colgate Palmolive Co | Oral care implement. |
| USD764804S1 (en) | 2013-11-05 | 2016-08-30 | Colgate-Palmolive Company | Oral care implement |
| ES2707385T3 (en) | 2014-04-11 | 2019-04-03 | Procter & Gamble | Head for an oral care tool |
| RU2017106760A (en) | 2014-09-03 | 2018-10-03 | Колгейт-Палмолив Компани | DENTAL BRUSH WITH INCREASED CLEANING EFFICIENCY |
| AU2014414823B2 (en) | 2014-12-23 | 2018-04-05 | Colgate-Palmolive Company | Oral care implement |
| WO2016105359A1 (en) | 2014-12-23 | 2016-06-30 | Colgate-Palmolive Company | Oral care implement |
| US10226118B2 (en) | 2014-12-23 | 2019-03-12 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
| MX2017007850A (en) | 2014-12-23 | 2017-09-19 | Colgate Palmolive Co | Oral care implement. |
| BR112017010946A2 (en) | 2014-12-23 | 2018-07-03 | Colgate Palmolive Co | mouthwash instrument with multi-component handle |
| US11291293B2 (en) | 2014-12-23 | 2022-04-05 | Colgate-Palmolive Company | Oral care implement |
| BR112017012632A2 (en) | 2014-12-23 | 2018-05-15 | Colgate-Palmolive Company | oral hygiene instrument |
| US10182644B2 (en) | 2014-12-23 | 2019-01-22 | Colgate-Palmolive Company | Oral care implement |
| CN110547589B (en) | 2014-12-23 | 2021-07-16 | 高露洁-棕榄公司 | Oral care implement |
| CN107105873B (en) | 2014-12-23 | 2020-01-14 | 高露洁-棕榄公司 | Oral care implement having a multi-component handle |
| USD780457S1 (en) | 2014-12-23 | 2017-03-07 | Colgate-Palmolive Company | Oral care implement |
| BR112017010947A2 (en) | 2014-12-23 | 2018-07-03 | Colgate Palmolive Co | oral hygiene instrument |
| WO2017004791A1 (en) | 2015-07-07 | 2017-01-12 | Colgate-Palmolive Company | Oral care implement and monofilament bristle for use with the same |
| EP3319477B1 (en) * | 2015-07-07 | 2023-03-01 | Colgate-Palmolive Company | Oral care implement and monofilament bristle for use with the same |
| JP3201692U (en) * | 2015-10-09 | 2015-12-24 | 株式会社レーベン販売 | Toothbrush with bristles of different length |
| RU2678630C1 (en) | 2015-11-03 | 2019-01-30 | Колгейт-Палмолив Компани | Bristle and containing it toothbrush |
| GB201600846D0 (en) * | 2016-01-18 | 2016-03-02 | Glaxosmithkline Consumer Healt | Novel device |
| USD828039S1 (en) * | 2016-01-22 | 2018-09-11 | Glaxosmithkline Consumer Healthcare Gmbh & Co. Kg | Toothbrush |
| MX2018012073A (en) | 2016-04-20 | 2019-05-22 | Trisa Holding Ag | Brush product and method for the production thereof. |
| CA3021410C (en) * | 2017-10-27 | 2023-12-12 | Sunstar Americas, Inc. | Powered toothbrush bristle head |
| CA187606S (en) | 2017-11-02 | 2020-05-25 | Braun Gmbh | Head for electric toothbrush |
| USD893881S1 (en) | 2017-11-17 | 2020-08-25 | Colgate-Palmolive Company | Oral care apparatus |
| USD858105S1 (en) | 2017-11-17 | 2019-09-03 | Colgate-Palmolive Company | Oral care implement |
| USD858997S1 (en) | 2017-11-17 | 2019-09-10 | Colgate-Palmolive Company | Tracking module for an oral care implement |
| 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 |
| USD960581S1 (en) | 2018-02-09 | 2022-08-16 | The Gillette Company Llc | Toothbrush head |
| USD912988S1 (en) | 2018-02-09 | 2021-03-16 | The Gillette Company Llc | Toothbrush handle |
| USD931617S1 (en) | 2018-09-03 | 2021-09-28 | The Gillette Company Llc | Toothbrush head |
| US11622618B2 (en) | 2018-12-13 | 2023-04-11 | Colgate-Palmolive Company | Oral care implement |
| USD883677S1 (en) | 2018-12-13 | 2020-05-12 | Colgate-Palmolive Company | Toothbrush |
| USD891784S1 (en) | 2018-12-18 | 2020-08-04 | Colgate-Palmolive Company | Electric toothbrush handle |
| KR102047823B1 (en) * | 2019-02-01 | 2019-11-22 | 정용채 | Assembled toothbrush for both sides penetration |
| USD953744S1 (en) | 2019-02-08 | 2022-06-07 | Braun Gmbh | Head for electric toothbrush |
| USD901183S1 (en) | 2019-03-22 | 2020-11-10 | The Gillette Company Llc | Toothbrush |
| USD1014095S1 (en) | 2020-07-02 | 2024-02-13 | The Gillette Company Llc. | Toothbrush |
| USD957135S1 (en) | 2020-07-02 | 2022-07-12 | The Gillette Company Llc | Toothbrush head |
| USD994341S1 (en) | 2020-11-06 | 2023-08-08 | The Gillette Company Llc | Toothbrush |
| CA220562S (en) | 2020-12-02 | 2023-04-17 | Braun Gmbh | Head for electric toothbrush |
| USD960582S1 (en) | 2020-12-10 | 2022-08-16 | Colgate-Palmolive Company | Oral care refill head |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797424A (en) * | 1954-10-20 | 1957-07-02 | Olson Alfred | Toothbrush |
| US3103679A (en) * | 1961-11-01 | 1963-09-17 | George S Clemens | Toothbrush |
| US3229318A (en) * | 1964-05-15 | 1966-01-18 | Sunbeam Corp | Toothbrush |
| DE3528596A1 (en) * | 1985-08-09 | 1987-02-19 | Braun Ag | Tooth brush |
| US5459899A (en) * | 1993-05-24 | 1995-10-24 | Bauer; Jerome | Interstitial flossing toothbrush |
| US5419001A (en) * | 1994-03-29 | 1995-05-30 | Wan; John C. | Toothbrush |
| WO1996016571A1 (en) * | 1994-12-01 | 1996-06-06 | The Procter & Gamble Company | Toothbrush having extended bristles |
| US5535474A (en) * | 1995-03-23 | 1996-07-16 | Salazar; Alfred | Brush for cleaning and polishing teeth while stimulating gums |
| JP2942191B2 (en) * | 1996-05-14 | 1999-08-30 | 花王株式会社 | toothbrush |
| TW364841B (en) * | 1996-05-14 | 1999-07-21 | Kao Corp | Toothbrush |
| DE19931156A1 (en) * | 1999-01-12 | 2001-01-11 | Dieter Paffrath | Electric toothbrush for cleaning plaque and interdental spaces; has rotating bristle support disc with central tuft of longer bristles and eccentric peripheral ring of tufts of shorter bristles |
| JP3583346B2 (en) * | 2000-04-28 | 2004-11-04 | 花王株式会社 | toothbrush |
| US6546586B2 (en) * | 2001-05-02 | 2003-04-15 | Spencer Y. Cho | Toothbrush with flossing functionality |
| KR100456100B1 (en) * | 2002-10-31 | 2004-11-16 | 권영준 | Toothbrush Having Soft And Hard Bristles Together |
| EP3305245B1 (en) * | 2003-04-22 | 2023-02-15 | Trisa Holding AG | Brush head for an electric toothbrush |
-
2008
- 2008-06-26 BR BRPI0813967-9A2A patent/BRPI0813967A2/en not_active IP Right Cessation
- 2008-06-26 TW TW097123979A patent/TW200936077A/en unknown
- 2008-06-26 CN CN200880022481A patent/CN101686752A/en active Pending
- 2008-06-26 KR KR1020107002020A patent/KR20100042267A/en not_active Application Discontinuation
- 2008-06-26 AU AU2008267192A patent/AU2008267192A1/en not_active Abandoned
- 2008-06-26 JP JP2010513924A patent/JP5378370B2/en not_active Expired - Fee Related
- 2008-06-26 US US12/147,143 patent/US20090013489A1/en not_active Abandoned
- 2008-06-26 WO PCT/EP2008/058213 patent/WO2009000903A1/en active Application Filing
- 2008-06-26 US US12/665,928 patent/US20100180392A1/en not_active Abandoned
- 2008-06-26 CA CA2690711A patent/CA2690711A1/en not_active Abandoned
- 2008-06-26 MX MX2009013951A patent/MX2009013951A/en not_active Application Discontinuation
- 2008-06-26 EP EP08774385A patent/EP2164362A1/en not_active Withdrawn
- 2008-06-27 AR ARP080102797A patent/AR067350A1/en active IP Right Grant
-
2010
- 2010-01-14 CO CO10003242A patent/CO6280598A2/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103298369A (en) * | 2011-01-12 | 2013-09-11 | 高露洁-棕榄公司 | Oral care implement |
| CN103298369B (en) * | 2011-01-12 | 2016-06-01 | 高露洁-棕榄公司 | Oral care implement |
| US9445660B2 (en) | 2011-01-12 | 2016-09-20 | Colgate-Palmolive Company | Oral care implement |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2008267192A1 (en) | 2008-12-31 |
| TW200936077A (en) | 2009-09-01 |
| WO2009000903A1 (en) | 2008-12-31 |
| JP2010531181A (en) | 2010-09-24 |
| AR067350A1 (en) | 2009-10-07 |
| JP5378370B2 (en) | 2013-12-25 |
| MX2009013951A (en) | 2010-03-10 |
| CO6280598A2 (en) | 2011-05-20 |
| KR20100042267A (en) | 2010-04-23 |
| US20090013489A1 (en) | 2009-01-15 |
| BRPI0813967A2 (en) | 2015-01-06 |
| CA2690711A1 (en) | 2008-12-31 |
| EP2164362A1 (en) | 2010-03-24 |
| US20100180392A1 (en) | 2010-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101686752A (en) | Toothbrush with long tapered bristles and short non-tapered bristles | |
| US11641932B2 (en) | Head for an oral care implement | |
| US10376039B2 (en) | Head for an oral care implement | |
| US10694839B2 (en) | Head for an oral care implement, oral care implement and method for manufacturing such head | |
| US10702053B2 (en) | Head for an oral care implement, oral care implement and method for manufacturing such head | |
| CA3057700C (en) | Head for an oral care implement, oral care implement and method for manufacturing such head | |
| US10702051B2 (en) | Head for an oral care implement, oral care implement and method for manufacturing such head | |
| CN108366665B (en) | Oral care implement | |
| JP3585811B2 (en) | toothbrush |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100331 |