CN102273812A - Brush body and toothbrush including brush body - Google Patents
Brush body and toothbrush including brush body Download PDFInfo
- Publication number
- CN102273812A CN102273812A CN2011101597745A CN201110159774A CN102273812A CN 102273812 A CN102273812 A CN 102273812A CN 2011101597745 A CN2011101597745 A CN 2011101597745A CN 201110159774 A CN201110159774 A CN 201110159774A CN 102273812 A CN102273812 A CN 102273812A
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- CN
- China
- Prior art keywords
- bristle tuft
- core
- brush body
- base end
- end part
- 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
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
- A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
- A46B15/0022—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with an electrical means
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/023—Bristles with at least a core and at least a partial sheath
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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 present invention provides a brush body capable of inhibitting declining of electrical conductivity of a bristle bundle formed by a plurality of filaments constructed by a core sheath, and a toothbrush including the brush body. A brush body (20) of a toothbrush (1) includes bristle bundles (30), each formed by a plurality of filaments (40). Each filament (40) includes a core, which contains a conductive material, and an insulative sheath, which covers a side of the core. Each bristle bundle (30) includes a basal portion (31) at which basal ends of the cores are fused, solidified, and integrated with one another. The bristle bundle (30) also includes a distal portion (32), which is formed by a distal end of each core. A ratio of the conductive material at the basal portion (31) is equal to a ratio of the conductive material at the distal portion (32).
Description
Technical field
The toothbrush that the present invention relates to brush body and possess this brush body.
Background technology
In Japanese kokai publication sho 63-249507 communique (patent documentation 1), DYN dynamic electronic tooth brush has been proposed.Cleaning effect in the oral cavity when brushing teeth in order to improve, described electronic tooth brush are flowed through dc pulse current to comprise the circuit of tooth and bristle.
Proposed at Japanese kokai publication hei 6-90824 communique (patent documentation 2), be used to the organic acids such as lactic acid that decompose tartar, deposit pigment and become the immediate cause of tooth decalcification, and the electric toothbrush that the bacterium that causes generating the carious tooth of tartar, organic acid and toxin etc. or becoming the reason of alveolysis is killed.In addition, in patent documentation 2, record following structure, promptly plant on mao portion or the grip part or the two is provided with the N-type semiconductor that contacts with moisture such as intraoral salivas, and this N-type semiconductor is connected with the positive electrode of dc source.The electric toothbrush brush of patent documentation 2 is by at the surperficial evaporation metal titanium of filament, and to the surface of this Titanium carry out oxidation and form thickness the titanium dioxide layer of thin anatase titanium dioxide obtain.
The device that when brushing teeth the lip-deep tartar of tooth or artificial tooth is detected has been proposed in Japanese Unexamined Patent Application Publication 2000-504605 communique (patent documentation 3).Described device has electrode, and this electrode has the outer surface of insulating properties and is placed on the lip-deep electric conductivity front end of tooth.Described electrode is the filament of elastic insulating material system, and this filament possesses the core of flexible conducting material system.
The toothbrush of electrode has been proposed to be provided with in brushhead in TOHKEMY 2006-102095 communique (patent documentation 4) and TOHKEMY 2006-180953 communique (patent documentation 5).When described electrode is energized, makes intraoral chlorion become effective chlorine and carry out sterilization and clean.In patent documentation 4, propose following structure, electrode has been configured near the outer surface of the brushhead the bristle, perhaps electrode has been embedded in the inside of brushhead with the form that contacts with the bristle of electric conductivity.Use electric conductivity brush has been proposed in patent documentation 5.
The manufacture method of the toothbrush of being put down in writing in TOHKEMY 2003-9947 communique (patent documentation 6) is as follows: filaments made of insulating material such as nylon are tied up the formation bristle tuft, on each bristle tuft, the base end part of filament is carried out melting and solidification and form burning ball, and should burn ball and be embedded in and plant Mao Tainei.
When brushing teeth with toothbrush, be difficult to bacterium easily the tartar in the fine gap of breeding (for example, being called as slit diastema or oral pocket, between tooth and the gum) remove fully.In order to kill the bacterium in such slit, known have comprise toothpaste or the mouthwass to the effective effective component of sterilization such as cetylpyridinium chloride (CPC).
Because the effective component of CPC etc. is an electrolyte, thus when brushing teeth, can be ionized, and in whole oral cavity, spread.Yet effective component preferably concentrates on inflammation part or disease location.Therefore, as described in above-mentioned patent documentation 4, preferably constitute, the bristle that directly contacts with intraoral desired area has electric conductivity, and to this bristle energising.
The known bristle tuft that the electric conductivity that filament by so-called core sheath structure constitutes is arranged.The filament of core sheath structure possesses the core of electric conductivity and the sheath portion of insulating properties that the whole side of this core is covered.
Yet, when the base end part of the bristle tuft that the filament by core sheath structure is constituted according to the manufacture method of patent documentation 6 carries out melting and solidification, can be mixed with the insulation composition of sheath portion in the formed burning ball.Therefore, the problem of the bristle tuft with required electric conductivity can appear forming.
Summary of the invention
The objective of the invention is to, brush body that the electric conductivity that can suppress the bristle tuft that the filament by core sheath structure constitutes descends and the toothbrush that possesses this brush body are provided.
A form of the present invention is a kind of brush body, and it possesses the bristle tuft that is made of a plurality of filaments.Each filament possesses: the core that contains conductive material; With the sheath portion of insulating properties, it covers the side of this core.The front and base end side of described core is outstanding along its length from described sheath portion.The base end part of described bristle tuft is that the described cardinal extremity of described core of described a plurality of filaments is by melting and solidification and by incorporate position.The leading section of described bristle tuft comprises the front end separately of the described core of described a plurality of filaments.The ratio of the described conductive material of the described base end part of described bristle tuft equates with the ratio of the described conductive material of the described leading section of described bristle tuft.
Preferably, the external diameter of the described base end part of described bristle tuft is bigger than the external diameter of the bundle of a plurality of described sheath portion of described bristle tuft.
Preferably, described bristle tuft is 1 in a plurality of bristle tuft, and the base end part of described a plurality of bristle tuft is by integrated and interconnect.
Preferably, described bristle tuft is 1 in a plurality of bristle tuft, and the base end part of described a plurality of bristle tuft interconnects by conductive component, and the specific insulation of described conductive component is littler than the specific insulation of described base end part.
Preferably, described conductive component is for inserting the base station of described a plurality of bristle tuft.
Preferably, the base end part of described a plurality of bristle tuft by integrated on described base station.
In an example, the described base end part of described bristle tuft is to have only the cardinal extremity of described core to be melted and incorporate position.
In an example, described core is formed by described conductive material and insulating properties mixtures of material, and described ratio is the ratio of the described conductive material in the described mixture.
Toothbrush of the present invention possesses above-mentioned brush body.
Preferably, above-mentioned toothbrush possesses the vibratory driver that makes described brush body vibration.
Other forms of the present invention are a kind of brush body, and it possesses the bristle tuft that is made of a plurality of filaments.Each filament possesses: the core that contains conductive material; With the sheath portion of insulating properties, it covers the side of this core.Described bristle tuft comprises the molten resin end, and this molten resin end is by carrying out fusion at following the described core to described a plurality of filaments of situation that the sheath portion of described insulating properties is not carried out fusion and making that this core is integrated to be formed.
Another other forms of the present invention provide a kind of manufacture method of brush body.This method possesses: a plurality of filaments are tied up and formed the operation of bristle tuft, each filament comprises the core of the electric conductivity with front end protuberance and cardinal extremity protuberance and the sheath portion of insulating properties that the side of the described core except described front end protuberance and described cardinal extremity protuberance is covered; By carrying out under the situation of fusion, the described cardinal extremity protuberance of the described core of described a plurality of filaments is carried out fusion and makes this cardinal extremity protuberance integrated and form the operation of the molten resin end of described bristle tuft in sheath portion not to described insulating properties; Be electrically connected operation on the brushhead of brush body with described molten resin end with described bristle tuft.
In an example, the described cardinal extremity protuberance of described core is longer than described front end protuberance.
Based on the present invention, can provide brush body that the electric conductivity that can suppress the bristle tuft that a plurality of filaments by core sheath structure constitute descends and the toothbrush that possesses this brush body.
Description of drawings
Fig. 1 (a) is the cutaway view of the toothbrush of the 1st embodiment of the present invention.
Fig. 1 (b) is the amplification view of brush body.
Fig. 2 is the exploded perspective view of brush body.
Fig. 3 (a)～(c) shows the manufacturing process of bristle tuft.
Fig. 4 (a)～(d) shows the assembling procedure of toothbrush.
Fig. 5 (a) is the cutaway view of the toothbrush of the 2nd embodiment of the present invention.
Fig. 5 (b) is the amplification view of brush body.
Fig. 6 (a) and (b) show that bristle tuft with the toothbrush of Fig. 5 is fixed on the operation on the brushhead.
Fig. 7 (a) is the cutaway view of the toothbrush of the 3rd embodiment of the present invention.
Fig. 7 (b) is the amplification view of brush body.
Fig. 8 is the exploded perspective view of brush body of the toothbrush of Fig. 7.
Fig. 9 (a)～(c) shows the assembling procedure of the toothbrush of Fig. 7.
Figure 10 (a) and (b) show that bristle tuft with the toothbrush of Fig. 7 is fixed on the operation on the brushhead.
Figure 11 (a) is the cutaway view of the toothbrush of the 4th embodiment of the present invention.
Figure 11 (b) is the amplification view of brush body.
Figure 12 is the exploded perspective view of brush body of the toothbrush of Figure 11.
Figure 13 (a)～(c) shows the manufacturing process of the bristle tuft of comparative example.
The specific embodiment
(the 1st embodiment)
With reference to Fig. 1～Fig. 4, the 1st embodiment of the present invention is illustrated.
Shown in Fig. 1 (a), toothbrush 1 is for possessing the electric toothbrush of brush body 20, and this brush body 20 is installed on the handle 10.The vibratory driver 14 that brush body 20 is set at the inside of handle 10 vibrates.Brush body 20 can unload from handle 10.
Be provided with the line part 13 that the power supply unit 12 of power supply and 14 power supplies of subtend vibratory driver etc. are controlled in the inside of handle 10.According to the operation of the switch (not illustrating) that toothbrush 1 is possessed, line part 13 is electrically connected power supply unit 12 and vibratory driver 14.
Be provided with guide plate 21 in the inside of brush holder 20a.Guide plate 21 is a conductive component, and the metal material of electric conductivity forms by for example having.When brush body 20 was connected on the handle 10, guide plate 21 was connected with output shaft 14a.
As Fig. 1 (b) and shown in Figure 2, be provided with in the inside of brushhead 20b and plant mao platform 22 and pressing component 23, this is planted mao platform 22 and implants bristle tuft 30 is arranged, and this pressing component 23 is planted bristle tuft 30 elasticity on mao platform 22 by being pressed in.
Brushhead 20b is an insulating materials system.On brushhead 20b, be formed with a plurality of through hole 20c.A plurality of bristle tuft 30 are inserted into respectively among a plurality of through hole 20c.Each bristle tuft 30 is outstanding to foreign side from brush body 20.
The lid 24 that brush body 20 comprises guide plate 21, plants mao platform 22 and cover pressing component 23.Preferably, lid 24 can not break away from from brush holder 20a and brushhead 20b.Preferably, lid 24 is with the inner sealing of fluid-tight form with brush holder 20a and brushhead 20b.
Each bristle tuft 30 is the bundle of a plurality of filaments 40.Each bristle tuft 30 has base end part 31 and leading section 32.The base end part 31 of bristle tuft 30 is supported in plants on mao platform 22.Planting mao platform 22 is electrically connected the base end part 31 of a plurality of bristle tuft 30 mutually.
With reference to Fig. 3 (a), the structure of filament 40 is described.Filament 40 with core sheath structure possesses: core 41, and it contains conductive material; With the sheath portion 42 of insulating properties, it covers the side of core 41.Core 41 comprises the front and base end side of giving prominence to along the length direction of sheath portion 42 from the two ends of sheath portion 42.That is to say that the two ends at the length direction of filament 40 are extruded with core 41 from sheath portion 42.The front and base end side of core 41 is also referred to as front end protuberance and cardinal extremity protuberance.
The sheath portion 42 of filament 40 is formed by the insulating properties material.The insulating properties material can be for example polyamide or saturated polyester resin resins such as (polybutylene terephthalate (PBT)s).Preferably, sheath portion 42 does not contain conductive material.Core 41 contains conductive material.
That is to say, in core 41, in the above-mentioned insulating properties material that forms sheath portion 42, be mixed with conductive material with predetermined ratio.The conductive material that core 41 is contained is, for example metallics such as carbon granule, charcoal long fibre short fiber, silver particles.
In the present embodiment, the sheath portion 42 of filament 40 by polyamide, be that nylon 6 forms.The specific insulation value of sheath portion 42 is 1 * 10
7～1 * 10
13(Ω cm).In core 41, with respect to main material, be that nylon 6 is mixed with conductive material, is carbon granule.The mass ratio of carbon granule in the core 41 is 30%.That is to say that the conductive material ratio of core 41 is 30%, the insulating properties material ratios of core 41 is 70%.
The specific insulation value of the core 41 that forms with above-mentioned form is 1 * 10
2～1 * 10
6(Ω cm), the core 41 of comparing with sheath portion 42 has higher electric conductivity.In addition, the value of specific insulation value for the specific insulation of object is shown.So-called specific insulation is not the resistivity of object surfaces, but the resistivity of the inside of object.
With reference to Fig. 3, the manufacturing process of bristle tuft 30 is described.Shown in Fig. 3 (a), form the filament 40 that is extruded with core 41 from an end of sheath portion 42 more longways.In preferred example, core 41 has from the front and base end side of sheath portion 42 outstanding along its length respectively front end protuberance and cardinal extremity protuberance, and the cardinal extremity protuberance of core 41 is longer than the front end protuberance of core 41.In infinite example, the front end protuberance of core 41 goes out 2mm from a distal process of sheath portion 42, and the cardinal extremity protuberance of core 41 is from the outstanding 5mm of the cardinal extremity of sheath portion 42.Core 41 can for, external diameter is the cylindric of for example 0.05mm.Sheath portion 42 can for, external diameter is the cylindric of for example 0.18mm.
Shown in Fig. 3 (b), a plurality of filaments 40 are tied up, also will be pressed on the hot plate 9 that is heated to predetermined temperature from the outstanding core 41 of the cardinal extremity of sheath portion 42.Hot plate 9 is heated to the insulating properties material that forms filament 40, is the degree of the melt temperature of resin.Under the situation that filament 40 is formed by nylon 6, hot plate 9 is heated to 260 ℃.If the core 41 of the bundle of filament 40 is crushed on the hot plate 9, core 41 will fusion and is become one.
Shown in Fig. 3 (c), solidify by making incorporate core 41, can obtain having the bristle tuft 30 of base end part 31.That is to say, the base end part 31 of bristle tuft 30 for a plurality of cores 41 by melting and solidification by integrated position.Base end part 31 is also referred to as molten resin end (a fused resin terminal).The leading section 32 of bristle tuft 30 is the front end separately of the core 41 of a plurality of filaments 40.Leading section 32 is the entire front end protuberance of a plurality of cores 41.
The base end part 31 of bristle tuft 30 has the maximum outside diameter R1 of this bristle tuft 30.That is to say that the external diameter R1 of the base end part 31 of bristle tuft 30 is than the external diameter R2 of the bundle 30A of a plurality of sheath portion 42, promptly the external diameter of the middle part of the bristle tuft 30 except base end part 31 and leading section 32 is big.
When forming the base end part 31 of bristle tuft 30, sheath portion 42 can not be melted.Therefore, the conductive material ratio of base end part 31 equates with the conductive material ratio of leading section 32.In the formation operation of base end part 31, the length of the cardinal extremity protuberance of the radical of the filament 40 of the bristle tuft 30 of adjustment formation in advance, the external diameter of core 41 and core 41 is so that only form base end parts 31 at core 41.
With reference to Figure 13, the manufacturing process of the bristle tuft 130 of comparative example is described.
Shown in Figure 13 (a), filament 140 has core sheath structure, and this core sheath structure comprises the core 141 of electric conductivity and the sheath portion 142 of insulating properties.Not outstanding or under the situation of giving prominence to, in order to form integrated base end part 131 (with reference to Figure 13 (c)), core 141 and sheath portion 142 all can be melted shown in Figure 13 (b) shortly at the cardinal extremity of core 141 from sheath portion 142.In this case, because the sneaking into of the sheath portion 142 of insulating properties, so that the conductive material ratio of integrated base end part 131 becomes is lower than the conductive material ratio of leading section 132.Therefore, the specific insulation of integrated base end part 131 becomes bigger than the specific insulation of core 141.In addition, the distribution of the conductive material by fusion sheath portion 142 integrated base end parts 131 can become inhomogeneous, thereby the electric current that a plurality of filaments 140 can occur leading to produces the problem of deviation mutually.
With reference to Fig. 4, the assembling of brush body 20 is described.
Shown in Fig. 4 (a), at first,, will plant mao platform 22 and be configured on the brushhead 20b with through hole 20c and the form that the through hole 22a that plants mao platform 22 is connected of brushhead 20b.
Then, shown in Fig. 4 (b), bristle tuft 30 is inserted into through hole 22a, the 20c from planting mao platform 22 sides.Because the external diameter R1 of the base end part 31 of bristle tuft 30 is bigger than the bore of through hole 22a, 20c, can and not be planted mao platform 22 and come off downwards from brushhead 20b so be inserted into bristle tuft 30 through hole 22a, the 20c from the top.
Then, shown in Fig. 4 (c), guide plate 21 is fixed on plants on mao platform 22.For example, the projection 22b (with reference to Fig. 4 (b)) that is formed on the end of planting mao platform 22 is inserted among the through hole 21a (with reference to Fig. 1 (b)) that is formed on the guide plate 21, then, makes the front end distortion of projection 22b by hot riveting.
The switch (not illustrating) of user's operate toothbrush 1 when brushing teeth, line part 13 will grip electrode 11 by power supply unit 12 and bristle tuft 30 is electrically connected thus.That is to say, when brushing teeth, can form tissues such as gum, bristle tuft 30 with power supply unit 12, the hand that grips electrode 11, user, user, plant mao platform 22, guide plate 21, output shaft 14a the closed circuit that is linked in sequence, be circuit.
In order to improve energising efficient in the foregoing circuit, from power supply unit 12 to bristle tuft till 30, above-mentioned guide plate 21 and plant the conductive material (for example, silver) that mao platform 22 contained by core 41 and form.That is to say guide plate 21 and to plant the specific insulation value of mao platform 22 littler than the specific insulation value of base end part 31.
Based on present embodiment, can obtain following effect.
(1) brush body 20 possesses the bristle tuft 30 that is made of a plurality of filaments 40.Each filament 40 possesses core 41 and sheath portion 42.The front and base end side of core 41 is outstanding along its length from sheath portion 42 respectively.The base end part 31 of bristle tuft 30 passes through melting and solidification by incorporate position for the cardinal extremity of a plurality of cores 41, and the leading section 32 of bristle tuft 30 comprises the front end separately of a plurality of cores 41.The conductive material ratio of base end part 31 equates with the conductive material ratio of leading section 32.Therefore, compare, can improve from the electrical efficiency of base end part 31 forward end 32 with the situation that the conductive material ratio of base end part 31 is lower than the conductive material ratio of leading section 32.Therefore, can suppress to descend by the electric conductivity of a plurality of thin 40 bristle tuft that constitute 30 of core sheath structure.In addition, the electric current that can also suppress to lead to a plurality of filaments 40 produces deviation mutually.
(2) the external diameter R1 of the base end part 31 of bristle tuft 30 is bigger than the external diameter R2 of the bundle 30A of a plurality of sheath portion 42 of bristle tuft 30.Therefore, when the bundle 30A with a plurality of sheath portion 42 is inserted among the through hole 22a, can limit bristle tuft 30 moving by base end part 31 and the butt of planting mao platform 22 towards a direction.That is to say, can positively suppress bristle tuft 30 and come off from through hole 22a.
(3) by as conductive component plant mao platform 22, the base end part 31 of a plurality of bristle tuft 30 is interconnected.The specific insulation of planting mao platform 22 is littler than the specific insulation of base end part 31.So,, can suppress to plant mao platform 22 heatings etc. and can improve energising efficient by planting mao platform 22 under the situation of bristle tuft 30 energisings.
(4) plant the effect that mao platform 22 plays the base station that inserts a plurality of bristle tuft 30, further, play effect the base end part 31 interconnective conductive components of a plurality of bristle tuft 30.So, can make base end part 31 in mao platform 22 and plant mao platform 22 and contact by bristle tuft 30 being inserted into plant, thus can be by planting mao platform 22 to a plurality of bristle tuft 30 energisings.
(5) because toothbrush 1 possesses the brush body 20 of above-mentioned formation, so can obtain above-mentioned action effect.Therefore, can reduce and be used for to the required performance of the power supply unit 12 of bristle tuft 30 energising, from constituting small-sized power supply unit 12.
(6) toothbrush 1 possesses the vibratory driver 14 that makes brush body 20 vibrations.So, can also expect to improve by vibration brush head 20b and wipe sweeping property and the massage effect of gum.
(the 2nd embodiment)
With reference to Fig. 5 and Fig. 6, the 2nd embodiment of the present invention is illustrated.In addition, the formation identical with the 1st embodiment enclosed identical symbol, and the explanation of described repetition is omitted or simplified illustration.
As Fig. 5 (a) and (b), in the present embodiment, under the situation of not using pressing component 23, bristle tuft 30 is fixed on plants on mao platform 22.Specifically, the base end part 31 of melting and solidification is fixed on and plants on mao platform 22.
Planting on mao platform 22 and around each through hole 22a, be formed with perisporium 22c.Between the edge of each perisporium 22c and through hole 22a, be formed with projection, be weld portion 22d (with reference to Fig. 6 (a)).By fusion the base end part 31 of bristle tuft 30 weld portion 22d is covered, and base end part 31 is solidified, base end part 31 is with to plant mao platform 22 integrated thus.
With reference to Fig. 6, the assembling of brush body 20 is described.
Shown in Fig. 6 (a), the same with above-mentioned the 1st embodiment, bristle tuft 30 is inserted into through hole 22a, the 20c from planting mao platform 22 sides.
Then, shown in Fig. 6 (b), using anchor clamps (not illustrating) bristle tuft 30 to be fixed under the state of planting in mao platform 22, base end part 31 is not heated and pressurizeing by (not illustrating) such as hot plates, thereby make base end part 31 fusion once more.Fusion base end part 31 in perisporium 22c, flow and weld portion 22d covered the back and solidify.Like this, base end part 31 is fixed on and plants on mao platform 22.
Then, make by ultrasonic fusing etc. and to cover 24 integratedly, can obtain brush body shown in Figure 5 20 thus with brushhead 20b and brush holder 20a.Because directly being fixed on, the base end part 31 of bristle tuft 30 plants on mao platform 22, so do not need bristle tuft 30 to planting the pressing component 23 that mao platform 22 is pushed.Further, also can form the floor with bristle tuft 30 butts, come auxiliary fixing to base end part 31 in lid 24 inboard.
Based on present embodiment, except can obtaining the described effect in above-mentioned (1)～(6), can also obtain following effect.
(7) base end part 31 with as base station to plant mao platform 22 integrated.So, make base end part 31 in the operation that is electrically connected, bristle tuft 30 can be fixed on and plant on mao platform 22 with planting that mao platform 22 contacts, thus can be positively with base end part 31 with plant mao platform 22 and be electrically connected.
(the 3rd embodiment)
With reference to Fig. 7～Figure 10, the 3rd embodiment of the present invention is illustrated.In addition, the formation identical with above-mentioned embodiment enclosed identical symbol, and the explanation of described repetition is omitted or simplified illustration.
As Fig. 7 (a) and (b), in the present embodiment, bristle tuft 30 is fixed not using pressing component 23 and plant under the situation of mao platform 22.Specifically, a plurality of base end parts 31 are by integrated.Guide plate 21 makes base end part 31 push to brushhead 20b.
As Fig. 7 (b) and shown in Figure 8, brushhead 20b plays the effect of the base station that inserts bristle tuft 30.
The base end part 31 of a plurality of bristle tuft 30 is melted and by integrated and interconnect.Therefore, the leading section 32 of a plurality of bristle tuft 30 and 1 base end part 31 are electrically connected.
With reference to Fig. 9 and Figure 10, the assembling of brush body 20 is illustrated.
Shown in Fig. 9 (a), form the brush body 20 of planting mao platform 22 is not set.Then, shown in Fig. 9 (b) and Figure 10 (a), a plurality of bristle tuft 30 are inserted into respectively among a plurality of through hole 20c of brush body 20.
Then, shown in Fig. 9 (c) and Figure 10 (b), using anchor clamps (not illustrating) bristle tuft 30 to be fixed under the state on the brushhead 20b, a plurality of base end parts 31 are not heated and pressurizeing by (not illustrating) such as hot plates, thereby make base end part 31 fusion once more.Fusion a plurality of base end parts 31 be mixed into one mutually.After curing, can obtain incorporate single base end part 31.
Then, configuration guide plate 21 on incorporate base end part 31.Make by ultrasonic fusing etc. and to cover 24 integratedly, can obtain brush body shown in Figure 7 20 thus with brushhead 20b and brush holder 20a.Preferably, guide plate 21 tegmentums 24 are pushed to base end part 31.
Based on present embodiment, except can obtaining above-mentioned (1), (2), (5) and (6) described effect, can also obtain following effect.
(8) base end part 31 of a plurality of bristle tuft 30 is by integrated and interconnect.So, can simplify the formation that is used for to a plurality of bristle tuft 30 energisings.
(the 4th embodiment)
With reference to Figure 11 and Figure 12, the 4th embodiment of the present invention is illustrated.In addition, the formation identical with above-mentioned embodiment enclosed identical symbol, and the explanation of described repetition is omitted or simplified illustration.
As Figure 11 (a) and (b), in the present embodiment, bristle tuft 30 is fixed not using under the situation of planting mao platform 22.Specifically, be pressed parts 23 and guide plate 21 of each base end part 31 pushed to the brushhead 20b as base station.
As Figure 11 (b) and shown in Figure 12, in fact guide plate 21 can comprise the front end-plate that the base end part 31 with a plurality of bristle tuft 30 covers.On guide plate 21, be formed with and a plurality of base end part 31 corresponding a plurality of protruding 21b.The protruding 21b of guide plate 21 pushes corresponding base end part 31.Guide plate 21 directly and positively is electrically connected with the base end part 31 of bristle tuft 30.
In the present embodiment, when assembling brush body 20, bristle tuft 30 is inserted among the through hole 20c with the form the same with above-mentioned the 3rd embodiment.Then, configuration guide plate 21 on base end part 31.Pressing component 23 is set on guide plate 21, and makes by ultrasonic fusing etc. and to cover 24 integratedly, can obtain brush body 20 as shown in figure 11 thus with brushhead 20b and brush holder 20a.
Based on present embodiment, except can obtaining above-mentioned (1), (2), (5), (6) described effect, can also obtain following effect.
(9) by conductive component, be guide plate 21, the base end part 31 of a plurality of bristle tuft 30 is interconnected.The specific insulation of guide plate 21 is littler than the specific insulation of base end part 31.So, by guide plate 21 under the situation of bristle tuft 30 energising, can suppress the heating etc. of guide plate 21 and can improve energising efficient.
Illustrated embodiment also can change to following form.
In the 3rd embodiment, guide plate 21 also can possess the pressing component that elasticity is pushed base end part 31.Described pressing component also can be arranged with guide plate in 21 minutes.
Bristle tuft 30 is not limited in above-mentioned embodiment to the fixing mode of base station (22,20b).For example, in above-mentioned the 1st embodiment, lid 24 also can make base end part 31 push to planting mao platform 22.In addition, in above-mentioned the 4th embodiment, lid 24 also can make base end part 31 push to brushhead 20b.
Form the material of filament 40 and the conductive material that core 41 is contained and be not limited in the described material of above-mentioned embodiment.In addition, to the brushhead 20b, the guide plate 21 that constitute brush body 20, plant the material that mao platform 22 etc. forms and also be not limited in the described material of above-mentioned embodiment.For example, guide plate 21 also can be formed by metal materials such as different with the contained conductive material of core 41, stainless steel alloies.For example, planting mao platform 22 also can be formed by the electroconductive resin material that contains conductive material.
Though brush body 20 is installed on the handle 10 with the form that can load and unload, brush body 20 also can form as one with handle 10.
Though in the toothbrush 1 of above-mentioned embodiment, the brushhead 20b of brush body 20 has the function of vibration, also can omit this function.
Claims (13)
1. a brush body possesses the bristle tuft that is made of a plurality of filaments, and each filament possesses: the core that contains conductive material; Sheath portion with insulating properties, it covers the side of this core, the front and base end side of described core is outstanding along its length from described sheath portion, the base end part of described bristle tuft is that the described cardinal extremity of described core of described a plurality of filaments is by melting and solidification and by incorporate position, the leading section of described bristle tuft comprises the front end separately of the described core of described a plurality of filaments
It is characterized in that the ratio of the described conductive material of the described base end part of described bristle tuft equates with the ratio of the described conductive material of the described leading section of described bristle tuft.
2. brush body according to claim 1 is characterized in that,
The external diameter of the described base end part of described bristle tuft is bigger than the external diameter of the bundle of a plurality of described sheath portion of described bristle tuft.
3. brush body according to claim 1 is characterized in that,
Described bristle tuft is 1 in a plurality of bristle tuft, and the base end part of described a plurality of bristle tuft is by integrated and interconnect.
4. according to any described brush body in the claim 1～3, it is characterized in that,
Described bristle tuft is 1 in a plurality of bristle tuft,
The base end part of described a plurality of bristle tuft interconnects by conductive component,
The specific insulation of described conductive component is littler than the specific insulation of described base end part.
5. brush body according to claim 4 is characterized in that,
Described conductive component is for inserting the base station of described a plurality of bristle tuft.
6. brush body according to claim 5 is characterized in that,
The base end part of described a plurality of bristle tuft by integrated on described base station.
7. brush body according to claim 1 is characterized in that,
The described base end part of described bristle tuft is to have only the cardinal extremity of described core to be melted and incorporate position.
8. brush body according to claim 7 is characterized in that,
Described core is formed by described conductive material and insulating properties mixtures of material, and described ratio is the ratio of the described conductive material in the described mixture.
9. a toothbrush is characterized in that, possesses any described brush body in the claim 1～8.
10. toothbrush according to claim 9 is characterized in that,
Further possesses the vibratory driver that makes described brush body vibration.
11. a brush body possesses the bristle tuft that is made of a plurality of filaments, each filament possesses: the core that contains conductive material; With the sheath portion of insulating properties, it covers the side of this core,
It is characterized in that described bristle tuft comprises the molten resin end, this molten resin end is by carrying out fusion at following the described core to described a plurality of filaments of situation that the sheath portion of described insulating properties is not carried out fusion and making that this core is integrated to be formed.
12. the manufacture method of a brush body is characterized in that, possesses:
A plurality of filaments are tied up and form the operation of bristle tuft, each filament comprises the core of the electric conductivity with front end protuberance and cardinal extremity protuberance and the sheath portion of insulating properties that the side of the described core except described front end protuberance and described cardinal extremity protuberance is covered;
By carrying out under the situation of fusion, the described cardinal extremity protuberance of the described core of described a plurality of filaments is carried out fusion and makes this cardinal extremity protuberance integrated and form the operation of the molten resin end of described bristle tuft in sheath portion not to described insulating properties; With
The described molten resin end of described bristle tuft is electrically connected operation on the brushhead of brush body.
13. manufacture method according to claim 12 is characterized in that,
The described cardinal extremity protuberance of described core is longer than described front end protuberance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-135323 | 2010-06-14 | ||
| JP2010135323A JP2012000148A (en) | 2010-06-14 | 2010-06-14 | Brush body and toothbrush including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102273812A true CN102273812A (en) | 2011-12-14 |
Family
ID=44510024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101597745A Pending CN102273812A (en) | 2010-06-14 | 2011-06-03 | Brush body and toothbrush including brush body |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110304194A1 (en) |
| EP (1) | EP2394530B1 (en) |
| JP (1) | JP2012000148A (en) |
| CN (1) | CN102273812A (en) |
Cited By (1)
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|---|---|---|---|---|
| CN108366667A (en) * | 2015-12-14 | 2018-08-03 | 高露洁-棕榄公司 | Light-emitting oral care implement and forming method thereof |
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| JP5189188B2 (en) * | 2011-07-11 | 2013-04-24 | 日本蚕毛染色株式会社 | Brush fiber, brush using the brush fiber, and method for producing brush fiber |
| EP2965654B1 (en) * | 2014-07-11 | 2021-04-28 | The Procter & Gamble Company | Head for an oral care implement |
| JP6087983B2 (en) * | 2015-05-26 | 2017-03-01 | 合資会社三和歯ブラシ工業所 | Tongue brush manufacturing method |
| AU2015401762B2 (en) | 2015-07-07 | 2019-03-14 | Colgate-Palmolive Company | Oral care implement and monofilament bristle for use with the same |
| EP3397112B1 (en) * | 2015-12-28 | 2020-03-04 | Colgate-Palmolive Company | Brush with fluid delivery |
| EP3262974A1 (en) | 2016-06-27 | 2018-01-03 | The Procter & Gamble Company | Toothbrush heads comprising a two-component-cleaning element and method for producing the same |
| EP3262975B1 (en) * | 2016-06-28 | 2019-02-20 | The Procter and Gamble Company | Method of making brush |
| JP2018157876A (en) * | 2017-03-22 | 2018-10-11 | ルネサスエレクトロニクス株式会社 | Heartbeat measuring system and heartbeat measuring method |
| CN111712158B (en) * | 2017-12-12 | 2023-04-14 | 皇家飞利浦有限公司 | Brush head assembly and method of manufacture |
| CN112203715A (en) * | 2018-06-11 | 2021-01-08 | 高露洁-棕榄公司 | Oral care device |
| EP3753449A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Hole perforation plate for manufacturing of a toothbrush head and part thereof |
| EP3753448A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Method for producing a toothbrush head |
| EP3753447A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Method for producing a toothbrush head or a part thereof |
| EP3753446A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Cleaning element carrier and toothbrush head comprising it |
| USD956426S1 (en) * | 2019-11-25 | 2022-07-05 | Colgate-Palmolive Company | Refill head for a toothbrush |
| USD967633S1 (en) | 2020-08-03 | 2022-10-25 | Colgate-Palmolive Company | Refill head for a toothbrush |
| KR102392323B1 (en) | 2020-10-23 | 2022-04-29 | 주식회사 프록시헬스케어 | Electric toothbrush including conductive bristle |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2394530A2 (en) | 2011-12-14 |
| JP2012000148A (en) | 2012-01-05 |
| US20110304194A1 (en) | 2011-12-15 |
| EP2394530B1 (en) | 2013-07-24 |
| EP2394530A3 (en) | 2012-09-26 |
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