CN105263359B - Head for oral care implement - Google Patents
Head for oral care implement Download PDFInfo
- Publication number
- CN105263359B CN105263359B CN201480032098.7A CN201480032098A CN105263359B CN 105263359 B CN105263359 B CN 105263359B CN 201480032098 A CN201480032098 A CN 201480032098A CN 105263359 B CN105263359 B CN 105263359B
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- China
- Prior art keywords
- long filament
- group
- head
- cluster
- lateral areas
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Links
- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000005452 bending Methods 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000004040 coloring Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000009732 tufting Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 210000003128 head Anatomy 0.000 description 87
- 229920001707 polybutylene terephthalate Polymers 0.000 description 12
- 239000004677 Nylon Substances 0.000 description 8
- 230000001680 brushing effect Effects 0.000 description 8
- 229920001778 nylon Polymers 0.000 description 8
- 239000003082 abrasive agent Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 7
- 210000000214 mouth Anatomy 0.000 description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 208000002064 Dental Plaque Diseases 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- -1 Polybutylene terephthalate Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011086 high cleaning Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000003699 hair surface Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000007937 lozenge Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000004357 third molar Anatomy 0.000 description 1
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
- A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
-
- 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
- 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
- A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Brushes (AREA)
Abstract
The invention discloses a kind of head for oral care implement, which includes at least one cluster for extending and having outside area from the installation surface on head.The cluster has first group of long filament for limiting the first lateral areas and limits at least second group of long filament of the second lateral areas.First group of long filament has the first length, and second group of long filament has the second length, wherein the first length is different from the second length.The outside area of the cluster is made of at least part of the first lateral areas and at least part of the second lateral areas.
Description
Technical field
This disclosure relates to a kind of head for oral care implement, and more particularly to different types of including having
Such head of at least one cluster of long filament.
Background technology
It is well known that the cluster being made of plurality of threads for oral care implement such as manual toothbrush and electric toothbrush.One
As for, cluster is attached to the installation surface on the head for being intended to be inserted into user oral cavity.Grip end is typically attached to head, the shank
It is held by user during brushing teeth.Head is permanently connected to or can be attached to repeatedly shank and can be dismantled from shank.
The known long filament for forming a cluster usually has basically the same size and characteristic.Although including these type clusters
Toothbrush be sufficiently cleaned with the outer buccal surface of tooth, but they be not fully compatible for the gingival margin from oral area, between cog area, lingual surface with
And other regions for being difficult to touch fully remove dental plaque and residue.
The cluster known in the art being made of two distinct types of long filament, cluster in so-called cluster.In general, each type
Long filament arrange in groups, wherein in group substantially co-axially encapsulated by outer group and form cluster.For example, as it is known that toothbrush head has brush
Hair surface, including the cluster of multiple long filaments extend on direction filament from bristle surface.Each cluster includes shorter long filament and longer
Silk, the cross section that shorter long filament has will not be tapered towards their upper end from their lower end, long filament from they
Lower end towards they upper end it is tapered.Longer bristles compared with short bristles by surrounding.
Cluster in cluster known in the art is especially located at the long filament of the center of cluster, shows substantially respectively to same
The bending stiffness of property.However, in one aspect, relatively low bending stiffness causes the efficiency of between cog clean-up performance to reduce, and
And on the other hand, in the case where bending stiffness is relatively high, it may occur that the risk of harm users gum.
The disclosure is designed to provide a kind of head for oral care implement, provides improved spatter property
Matter, the between cog especially with respect to tooth and gingival margin region.It includes such head that the purpose of the disclosure, which is also resided in and provided a kind of,
Oral care implement.
Invention content
According on one side, a kind of head for oral care implement is provided, which includes：
Extend and have at least one cluster of outside area from the installation surface on head,
Cluster includes at least second group of long filament for the second lateral areas of first group of long filament and restriction for limiting the first lateral areas,
- the first group long filament has the first length, and there is second group of long filament the second length, the first length to be different from second
Length, wherein
The outside area of cluster is made of at least part of the first lateral areas and at least part of the second lateral areas.
According on one side, a kind of oral care implement including such head is provided.
Description of the drawings
The present invention is more fully described below with reference to each embodiment and attached drawing, wherein：
Fig. 1 shows the vertical view of the first exemplary embodiment of cluster；
Fig. 2 shows the vertical views of the second exemplary embodiment of cluster；
Fig. 3 shows the vertical view of the third exemplary embodiment of cluster；
Fig. 4 shows the vertical view of the 4th exemplary embodiment of cluster；
Fig. 5 shows the vertical view of the 5th exemplary embodiment of cluster；
Fig. 6 shows the perspective view of the cluster of Fig. 1；
Fig. 7 shows the side view of a cluster of Fig. 1 to Fig. 4；
Fig. 8 shows the side view of a cluster of Fig. 1 to Fig. 4；
Fig. 9 shows the side view of a cluster of Fig. 1 to Fig. 4；
Figure 10 shows the perspective view of the cluster of Fig. 1；
Figure 11 shows the schematic plan of the first embodiment of oral care implement；
Figure 12 shows the schematic plan of the second embodiment of oral care implement；
Figure 13 shows the schematic plan of the 3rd embodiment of oral care implement；
Figure 14 shows the front schematic view of the oral care implement of Figure 13；
Figure 15 shows the schematic side elevation of the oral care implement of Figure 13；
Figure 16 shows the perspective schematic view of the oral care implement of Figure 13；And
Figure 17 shows the thin portion I of Figure 16.
Specific implementation mode
The head for oral care implement according to the disclosure includes extending from the installation surface on head and having outside
At least one cluster in area.In the context of the disclosure, term " outside area " refers to other than substrate/bottom of cluster and top surface
Cluster outer surface.Cluster can have round or non-circular cross sections (length extension of the cross section perpendicular to cluster) and by outside it
Lateral areas limits.For example, cross-sectional shape can be ellipse, square, rectangle, triangle, cross or its can be with flat
The oblong of long side, but it is also possible to consider other shapes.The cross section of cluster can with about 2mm to about 4mm width and about 2mm extremely
The depth of about 4mm.
Cluster includes first group of long filament with the first lateral areas and second group of long filament with the second lateral areas.It is first group long
Silk and second group of long filament are arranged in the following manner：At least part of the outside area of every group of formation cluster, that is, two groups all respectively will
Their the first lateral areas and the second lateral areas are exposed to the outer surface of cluster.Therefore, at least one portion of the first lateral areas and second
At least one portion of lateral areas forms at least part of the outside area of cluster.In other words, first group of long filament is by second group of long filament
Partially around or partly abut against on second group of long filament.First group of long filament or second group of long filament be not complete by corresponding another group
It surrounds entirely.
First group of long filament has the first length, and second group of long filament has the second length different from the first length.It is long
The length of silk is limited by the extension of long filament, and be fixed on the lower end from the installation surface on head from it carries out to free end thereon
It measures.
In other words, cluster is made of independence/single or individual long filament of at least two types, these long filaments are in length side
Face is different and is arranged in corresponding group.In the context of the disclosure, " long filament group " refers to having substantially the same length
The single long filament of at least ten.In some embodiments, the long filament group number of filaments that includes with short length be have it is larger
At least three times of other groups of number of filaments of length.
In the present context, term " substantially " is although refer to theoretically it is expected to show accurate correspondence or behavior reality
The element arrangement or feature structure for showing slightly inaccurate on border.Therefore, volume value, measurement or other related expressions carry out table
Show degree term can in the case where not causing basic function just in main topic of discussion to change and from the reference of elaboration into
Row changes.
Larger/long filament for increasing length can ensure that and touches narrow space, and can penetrate interdental gap and more
It is effectively removed dental plaque and other residues.
In order to effectively clean tooth during brushing teeth, it is necessary to provide appropriate contact between the free end of cluster and tooth
Pressure.In general, contact depends on the displacement of bending stiffness and long filament, and the bending stiffness of single long filament depends on length
Length, the diameter of long filament and the Young's modulus of filamentary material of silk.The bending stiffness C of single long filamentFBy defined below：
Wherein E=Young's modulus, J=the moment of inertias, l=filament lengths, and for cylindrical long filament
For the entire cluster with n long filament, the bending stiffness C of clusterTSubstantially by the bending stiffness of the long filament of cluster
Summation provides：
In general, compared with the long filament with short length, the long filament with greater depth shows lower bending resistance
Rigidity.In order to compensate for the reduction of bending stiffness, it is possible to increase the diameter of long filament.However, relatively long and relatively thick length
Silk can injure gum or can be damaged to the soft tissue in oral cavity.
In order to overcome the defect, long filament group is with increase/larger lengths but with phase possessed by the cluster according to the disclosure
Same diameter (in the case where using cylindrical long filament) is so that the long filament is preferably penetrated between tooth in space.In order to give these
Long filament at least provides enough bending stiffnesses in one direction, and the long filament group with greater depth is abutted against with short length
Other long filament groups on.Larger long filament group abuts on the direction of shorter long filament group wherein, the bending stiffness of larger long filament group compared with
Height, and vice versa, that is, and shorter long filament group is without surrounding/abutting on the direction of long filament group, larger long filament group wherein
Bending stiffness it is relatively low.In other words, on the direction supported by shorter long filament group, larger long filament group shows higher bending resistance
Rigidity, because when long filament is when the side towards shorter long filament is bent upwards, shorter long filament must be bent away --- shorter length
Silk group is used as reaction force.In the case of the direction bending that long filament group does not abut shorter long filament group along wherein described group,
Shorter long filament group does not support longer long filament.Shorter long filament group is not used as reaction force, thus the bending stiffness on the direction compared with
It is low.
(long filament abuts against shorter long filament to x to the gained bending stiffness of long filament group with greater depth in a first direction
On) and on second direction y (long filament does not abut against on shorter long filament) by defined below：
And index i indicates long filament, and index o indicates shorter long filament.
In other words, the long filament group with greater depth shows anisotropic bending stiffness.By by different long filaments
Individual bending stiffnesses of group are added to the total bending stiffness of gained of cluster, and different long filaments are used as nail leaf spring.Therefore, regular or thin thin
Silk can be used in the inside of cluster to go forward in the occlusal surface, buccal surface and lingual surface of tooth when the head of oral care implement
Space between narrow tooth is touched and cleaned when moving afterwards.It, can due to the anisotropy bending stiffness of the long filament group with greater depth
Better cleaning effect is provided.
In some embodiments, cluster can be arranged in the installation surface on head in the following manner：Wherein to the wound of gum
It is provided on the relatively low direction of brushing teeth of evil risk compared with high bending stiffness, the direction in the similar longitudinally projecting portion for being parallel to head
On, so as at back-and-forth motion (directions x) with more energetically clean tooth occlusal surface, buccal surface and lingual surface.Vertical with head
Relatively low bending stiffness can be provided on the orthogonal direction of extension (directions y) to be carried when head is moved to gum from tooth
For brushing teeth for milder, and vice versa.In other words, on the direction x along the occlusal surface of tooth, buccal surface and lingual surface
Bending stiffness it is higher, and when cluster moves between tooth and gum on lateral y, bending stiffness is relatively low, and anti-
It is as the same.Relatively low bending stiffness on lateral y, which can reduce, damages other soft tissues of gum and/or oral cavity
Risk.In other words, the cluster for the head of oral care implement can ensure that for the high cleaning performance being moved forward and backward, and lateral
Relatively low bending stiffness on the y of direction can protect gum.
Each group in different long filament groups can have specific shape/geometric form at its free end, that is, upper part top surface
Shape, the shape can be shaped to most preferably be suitble to contour.For example, at least one set of long filament can have in one or two direction
It is upper in inclined-plane or circle, point or be formed as linear pattern, i.e. upper top surface.
Long filament can by the nylon of the abrasive material with and without such as kaolinton, with and without abrasive material such as kaolinton
Polybutylene terephthalate (PBT) (PBT) and/or be made in the nylon indicator material of outer surface coloring.It pushes away at any time
It moves and uses long filament, the coloring on nylon indicator material slowly subsides to indicate degree that long filament is worn.
Optionally, may also include for cleaning and/or massaging tooth and/or oral cavity for the head of oral care implement
At least one thermoplastic elastomer member of soft tissue.Thermoplastic elastomer member can be by integral structure or many minor structure structures
At.For example, thermoplastic elastomer member may include big integrated bristle, i.e. convex block or many smaller bristles.Thermoplastic elastomer (TPE)
Element may also include fin, cupule, such as trophy or curved wall or straight wall.
In some embodiments, the first length of first group of long filament is more than the second length of second group of long filament.First length
And the second length difference between length can be about 1mm to about 3mm, optionally about 1mm is to about 2mm, optionally further about
1.5mm.The length for the shorter long filament that upper free end from installation surface to long filament measures can be about 8mm to about 12mm, optionally
About 10mm to about 11mm, optionally further about 10.5mm.
In some embodiments, cluster further includes at least third group long filament for having third lateral areas.Therefore, cluster includes at least three
Group long filament, wherein at least first group of long filament and second group of long filament are different in terms of length.The length etc. that third group long filament can have
It is different from the first length and the second length in the third length that the first length or the second length or third group long filament can have.
First group of long filament is not also encapsulated by third group long filament completely by the encapsulating completely of second group of long filament.This provide for have band compared with
The cluster on the head for oral care implement of the long filament group of long length, and the bending stiffness of the group can carry out in different directions
Adjustment.For example, can be provided compared with high bending stiffness in the direction of brushing teeth along the longitudinally projecting portion on head, that is, for scrubbing tooth
Occlusal surface, buccal surface and the lingual surface of tooth, and relatively low bending stiffness is provided on orthogonal to that direction, that is, for from tooth
It brushes teeth on tooth to the lateral of gum, vice versa.
In some embodiments, the outside area of cluster by first group of long filament the first lateral areas at least one portion, second group
At least one portion of second lateral areas of long filament and at least one portion of the third lateral areas of third group long filament composition.One
In a little embodiments, first group of long filament with long filament is clipped between second group of long filament and third group long filament.Term " is clipped in "
Should refer to that first group of long filament is located at center and forms the outer surface of cluster at two opposite sides.In some embodiments,
Three groups of long filaments have the third length for the second length for being substantially equal to second group of long filament.First group with greater depth forms
Wiping element, the wiping element can be aligned across the width on head with the longitudinal direction for being orthogonal to head.Above and below the disclosure
Wen Zhong, " wiping element " refer to outstanding first above the upper top surface of second group of shorter long filament and the shorter long filament of third group
The part of group long filament.The protrusion can in different directions be swung during the process of brushing teeth, and thus be wiped on tooth.One
In a little embodiments, wiping element has rectangle or elliptical cross sectional shape, is penetrated into the areas Ya Jian with convenient long filament.
Although wiping element is designed to be deep into the areas Ya Jian, shorter long filament group is designed to when the head for being used for oral care implement
Portion is moved forward and backward, i.e., when being moved on the x of forward and reverse direction, cleans the occlusal surface, buccal surface and lingual surface of tooth.It is described just
To on inverse direction x, long filament is abutted against respectively on second group and the outer long filament of third group.Therefore, work as oral care implement
When longitudinally being moved axially along it, the long filament group with greater depth is shown compared with high bending stiffness, and works as oral care work
Tool lateral movement shows relatively low bending stiffness when being orthogonal to longitudinal axis movement.
Optionally, centrally located first group of long filament will not extend completely through the cross section of entire cluster.In other words, cluster
Outside area by a coupling part of the first lateral areas for first group of long filament, the second lateral areas of second group of long filament an interconnecting piece
Divide and a part of the third lateral areas of third group long filament forms.This long filament arrangement provides increase in a plurality of directions
Anisotropic bending stiffness.
In addition to this or optionally, the long filament group with greater depth in a first direction on x can with the first bending stiffness,
And there can be the second bending stiffness on second direction y, first direction x is substantially normal to second direction y, and first is anti-
Curved rigidity is higher than bending stiffness.In addition, the first direction x of the first bending stiffness can be arranged essentially parallel to the longitudinally projecting of head
Portion.
In some embodiments, cross section (perpendicular to cross section of the length extension of the long filament group) tool of first group of long filament
There is about 2mm to about 4mm, optionally the width of about 3.5mm, and about 0.6mm is to about 0.8mm, optionally the depth of about 0.7mm.It should
Relatively small depth can ensure that the narrow region for being difficult to touch between long filament is deeply penetrated into tooth, and relatively large width
It can ensure that tooth of the long filament in their the clean inter-proximal areas of width supernatant.
In addition to this or optionally, the long filament of greater depth can be the cuspidated tapered filaments of tool.Tapered filaments can be
It is realized during brushing teeth in two interdental regions and the optimal penetration of gum recess, and improved spatter property can be provided
Matter.In some embodiments, tapered filaments can have extends the total length of about 10mm to 16mm on a mounting surface, and from length
Silk tip measures the conical section of about 5mm to 10mm.Tip can be aciculiform, it may include crack or featheredge end.Conical section can
It is produced by chemistry and/or mechanical taper chemical industry skill.
In addition to this or optionally, first group of long filament and second group of long filament can also at least in following characteristic a characteristic
It is upper mutually different：Diameter, bending stiffness, material, texture, cross-sectional shape, coloring and combination thereof.Long filament can be volume
It is bent, jagged, dimpled, flocking or for example may include a series of ribs.The long filament of veining tends to enhancing pair
The cleaning effect of tooth.Long filament can have round or non-circular cross sections, and specifically long filament can have lozenge shape cross-section, triangle
Cross section can be described as the cross section with the oblong for putting down long side.In addition, long filament can be labeled in their free end
Or can also be hollow.Long filament can by the nylon of the abrasive material with and without such as kaolinton, by with and without such as kaolinite
The polybutylene terephthalate (PBT) (PBT) of the abrasive material of clay is made by the nylon indicator material coloured in outer surface
At.Long filament is used over time, and the coloring on nylon indicator material is slowly subsided to indicate that the degree that long filament is worn is long
Silk can be with about 0.1 to about 0.3mm, the diameter of optionally about 0.15mm to about 0.2mm.Optionally, third group long filament can also be with
First group of long filament and/or second group of long filament are different in a characteristic at least in above-mentioned characteristic.
In addition to this or alternatively, at least one cluster can be tilted relative to the installation surface on head.In other words, at least one
A cluster is at an angle of α from the part of the installation surface on the head that it extends relative to the cluster and is orientated.Cluster is relative to being tangential to head
The installation surface in portion is angled with the coplanar dotted line of the installation surface on head, and cluster is fixed to head by a dotted line.It is at least one
Cluster can be in the longitudinally projecting portion that is arranged essentially parallel to head and/or orthogonal with the longitudinally projecting portion on head i.e. across the width on head
Side α angled up be orientated.In some embodiments, one or more clusters are in the longitudinally projecting portion for being arranged essentially parallel to head
Direction on tilt.At least one inclination cluster can have better cleaning properties, especially for region between tooth, because cluster inclines
Region between cleaning tooth in interdental small gap, while shorter long filament cleanable tooth are tiltedly slided into conducive to long filament
Occlusal surface, buccal surface and lingual surface.In some embodiments, head includes multiple clusters, and wherein at least one cluster is towards shank
Side is angled up, and at least one cluster is angled up in the side far from shank.If continuously arranging a line or more
Angled cluster, cleaning efficiency are even further improved.In addition, cluster can be also orientated at two or more different angles α, and
It can also be at an angle of in different directions, such as along the length on head, between the width on head or the length on head and width
Part.
Inclined angle alpha between cluster and the installation surface on head can be about 45 ° to about 89 °, optionally about 60 degree to about 85 °,
More optionally about 65 ° to about 83 °, even more optionally about 70 ° to about 80 °, even more optionally about 72 ° to about 78 °, even more
Optionally about 74 °, about 75 ° or about 76 °.
In addition to this or alternatively, hot tufting process can be used to be attached to head for cluster.A kind of manufacture oral care implement
Method may include following steps：In the first step, cluster is formed by providing required amount of long filament.In the second step,
Cluster is placed in mold cavity so that the end that should be attached to the long filament on head extends in the chamber.Institute is not extended to
The opposed end for stating the long filament in chamber can be that end circle or non-end are round.For example, being the cuspidated taper of tool in long filament
In the case of long filament, long filament can be with right and wrong end circle.In third step, head or the oral care including head and shank
Tool body is formed in the long filament end perimeter extended in mold cavity by Shooting Technique, and thus cluster is anchored in head.
Alternatively, the first component on the formation head before the remaining part for forming oral care implement can be passed through --- it is so-called " close
Sealing plate " --- cluster to be anchored to the long filament end perimeter extended in mold cavity by Shooting Technique.Starting Shooting Technique
Before, the end for extending to the cluster of mold cavity optionally melts or merges and bonds the components together in long filament in melt or sphere,
Therefore melt or sphere are located at intracavitary.Cluster can be maintained in mold cavity by the molding rod with blind hole, the blind hole corresponds to
In the desired locations of the cluster on the finished product head of oral care implement.In other words, it is attached to head using hot tufting process
Cluster is not superimposed in the middle section along the length of cluster, and without being mounted in head using anchor/nail.Use no anchor
Cluster is mounted on head by tufting process.
Oral care implement can be the toothbrush for including shank and head according to any one of above-described embodiment.Head
Portion from shank extend and can be attached to repeatedly shank and can from shank dismantle or head can be non-collapsible be connected to handle
Portion.Toothbrush can be electric toothbrush or manual toothbrush.
Be hereafter to the non-limiting discussion according to the exemplary embodiment of the cluster and oral care implement of the disclosure, wherein
With reference to attached drawing.
Fig. 1 shows the head for being used for oral care implement 14,15,17 as shown in Figure 11 and Figure 13 to Figure 17
The vertical view of first exemplary embodiment of 12,13,19 cluster 10.Cluster 10 include three groups of long filaments 16,18,20, wherein first group
16 to the second group long filament 18 of long filament and third group long filament 20 are long.It is clipped between second group 18 and third group 20 for first group 16.First
Group 16 has the first lateral areas 24, and second group 18 has the second lateral areas 26, and third group 20 has third lateral areas 28.Outside cluster 10
Lateral areas 22 is by two parts 72 of first group 16 of the first lateral areas 24, a part 76 of 74, second group 18 of the second lateral areas 26,
An and part 78 composition of the third lateral areas 28 of third group 20.The part 80 of second lateral areas 26 of second group of long filament 18 abuts
On the part 82 of the first lateral areas 24 of first group of long filament 16, and the part 84 of the third lateral areas 38 of third group long filament 20 abuts against
On another part 86 of first lateral areas 24 of first group of long filament 16.The cross-sectional shape of cluster 10 is the ellipse for having flat side.This
A little flat sides are provided by the rectangular shape of first group of long filament 16, and second group 18 and third group 20 have semi-circular shape.This long filament
Be arranged as first group of long filament 16 provide show above-mentioned advantage have anisotropy bending stiffness property.Cluster 10 in the side x
Upward bending stiffness is indicated by arrow 56, and bending stiffness in y-direction is indicated by arrow 58.As shown in fig. 1, exist
Bending stiffness on the directions x (long filament abuts against on shorter long filament) is higher than in the directions y, (long filament does not abut against shorter length
On silk) on bending stiffness.
Fig. 2 shows the second exemplary embodiments of cluster 30, are with the difference of the first exemplary embodiment of cluster 10
The cross-sectional width that first group of long filament 16 has is wider than the cross-sectional width of the first exemplary embodiment of cluster 10.First group of long filament
16 width extends beyond the width of the transverse cross-sectional area of second group 18 and third group 20.First group 16 of cross-sectional shape has
Less than the depth of the diameter of standard cluster and the width bigger than standard cluster.The relatively small depth can ensure that long filament is deeply worn
Thoroughly to the region for being difficult to reach narrow between tooth, and relatively large width can ensure that long filament cleans the teeth in their width supernatant
Between tooth in region.
Fig. 3 shows the third exemplary embodiment of cluster 32, is with the difference of the first exemplary embodiment of cluster 10
The cross-sectional shape of cluster 32 is rectangle.
Fig. 4 shows the 4th exemplary embodiment of cluster 34, is similar to the first exemplary embodiment of cluster 10.However,
First group of long filament 16 will not pass completely through the cross section of entire cluster 34.Therefore, the outside area 22 of cluster 34 is by first group of long filament 16
One part 72 of the first lateral areas 24, a part 76 of the second lateral areas 26 of second group of long filament 18 and third group long filament 20
Third lateral areas 28 a part 78 composition.The anisotropy bending resistance that this long filament arrangement also enhances first group of long filament 16 is rigid
Degree behavior.Bending stiffness in the+x direction is indicated by arrow 60, in the+y-direction by 62 instructions, and in the opposite directions-y
On indicated by arrow 64.As shown in Figure 4, bending stiffness in the+y-direction is less than the bending stiffness on opposite direction-y, and
Bending stiffness in the+x direction is higher than the bending stiffness on the directions+y.This kind of cluster can be arranged in toothbrush at the exterior domain of cluster field
On head.
Fig. 5 shows the 5th exemplary embodiment of cluster 36, is with the difference of the third exemplary embodiment of cluster 32
Cluster 36 only includes first group of long filament 16 and second group of long filament 18, and two groups all form rectangular cross-sectional shape.This arrangement establishes
The strong anisotropy bending stiffness property of first group of long filament 16.First group of long filament 16 only in one direction, i.e., in side
It is abutted against in the opposite direction of x on second group of shorter long filament 18.Bending stiffness in the+x direction is indicated by arrow 66, in phase
It is indicated by arrow 68 on the anti-directions-x, and in the+y-direction by 70 instructions.Bending stiffness ratio in the+x direction is opposite
It is low on the-x of direction.Bending stiffness in the+y-direction is higher than the bending stiffness on the directions+x and less than anti-on opposite direction-x
Curved rigidity.If cluster 36 moves in the+x direction, long filament will be supported by shorter long filament.Compared with high bending stiffness force compared with
Long filament is penetrated between tooth in gap and other narrow spaces.If cluster 36 moves on-x in the opposite direction, longer silk table
Reveal lower bending stiffness because its not by shorter long filament support, therefore long filament can mildly move on tooth surfaces and
Desultory effect is not generated.
Fig. 6 and Figure 10 shows two kinds of different geometries of the first group of long filament 16 that can be executed in the cluster 10 of Fig. 1.First
Group long filament 16 can be with the form of wiping element 38 as shown in Figure 6, or can have the shape of fin 40 as shown in Figure 10
Formula.Second group of long filament 18 and third group long filament 20 can be with equal lengths and can be with semi-circular cross-section.These clusters 10 can fit
In contour.
Fig. 7 to Fig. 9 shows the side view of the cluster 10,30,32,34 of Fig. 1 to Fig. 4.According to Fig. 7, first group 16 by having
The long filament of greater depth is constituted, and second group 18 and third group 20 are made of the shorter long filament respectively with equal length.According to Fig. 8
Cluster be similar to cluster shown in fig. 7, however second group 18 and third group 20 are in inclined-plane at the outskirt of cluster.According to the cluster of Fig. 9
It is also similar to that cluster shown in fig. 7, however second group of long filament 18 is bigger than third group long filament 20.In addition, second group 18 of top top
Surface shows slight curving profile in the outskirt of cluster, and the upper top surface of third group 20 is tilted in the outskirt of cluster.This
A little clusters 10,30,32,34 may be adapted to contour.
Figure 11 shows oral care implement 14, the oral care implement can be include the manual of shank 42 and head 12 or
Electric toothbrush 14, head 12 extend from shank 42 in a longitudinal direction.Multiple clusters 10,34 are fixed to the end using hot tufting process
Portion 12.Cluster 10,34 extends from the installation surface 44 on head 12.Head 12 includes two different exemplary embodiments of cluster, i.e. Fig. 1
Shown in cluster 10 the first exemplary embodiment and Fig. 4 in the 4th exemplary embodiment of cluster 34 that is drawn with profile.Cluster 10
The first exemplary embodiment be arranged in the central part of installation surface 44, and the 4th exemplary embodiment of cluster 34 along
The outer longitudinal edge of the installation surface 44 on head 12 is arranged.Cluster 10 is fixed to installation surface 44 so that first group of long filament 16 is stretched
It is orthogonal with the longitudinally projecting portion 46 on head 12 to go out portion.Therefore, the side in the longitudinally projecting portion 46 on head 12 of first group of long filament 16
Upward bending stiffness is higher than the bending stiffness on the direction orthogonal with the longitudinally projecting portion 46 on head 12.
Other mode of the cluster 34 fixed to installation surface 44 makes the longitudinal direction of the extension and head 12 of first group of long filament 16
Extension 46 is orthogonal.In addition, 72 face of part of the first lateral areas 24 of first group of long filament 16 included by outside area 22 by cluster 34
To the central module of installation surface 44, i.e. the part 72 of the first lateral areas 24 is towards cluster 10.
The toothbrush 14 arranged with this cluster 10,34 can provide high interproximal cleaning performance.When toothbrush 14 is moved forward and backward,
First group of long filament 16 is penetrated between tooth in space.In general, first group of long filament 16 will not reach gum, however
In the case of contact, they can be bent away due to the bending stiffness for brushing teeth the reduction on direction from tooth to gum.Gum
It is protected with other soft tissues without being injured by long filament.
The head 13 of toothbrush 15 shown in Figure 12 includes five different types being fixed in the installation surface on head 13
Cluster 36,48,50,52,54.
In the head 13 distally tailer i.e. farthest away from shank 42, a half moon-shaped cluster 48 is attached to head 13.Newly
The cluster 48 of month shape and be tangential to head 13 installation surface 44 or the dotted line coplanar with the installation surface 44 on head 13 at about 81 °
Angle, half moon-shaped cluster 48 are fixed to head 13 by a dotted line.Half moon-shaped cluster 48 is tilted far from shank 42.Half moon-shaped cluster 48 prolongs
The end on the head 13 of toothbrush 15 is extended through, therefore (such as the wisdom tooth of the molar in the rear portion of oral cavity can be cleaned in a more effective manner
And second molar teeth).In some embodiments, the long filament that half moon-shaped cluster 48 is formed by the PBT with abrasive material is constituted, such as entirely
Kaolinton particle is mixed in PBT.In some embodiments, the cross section that half moon-shaped cluster 48 has at least is fixed to the end
Four times of any other cluster 36,50,52,54 in portion 13.
Two kinds of another type of clusters 50,52 are arranged along the outer longitudinal edge on head 13 in an alternating manner.These types
Cluster 50,52 is relative to 44 tangent of installation surface on head 13 or the dotted line coplanar with the installation surface 44 on head 13 and towards handle
Portion 42 is angled.Cluster 50 has the rectangular cross-sectional shape with rounded ends.Cluster 50 includes the length that there is the PBT of abrasive material to be formed
Thread, it is mixed with kaolinton particle in such as entire PBT.There are six the installations that head 13 is fixed on to the cluster 50 between 12
Surface 44.Cluster 52 has circular cross sectional shape and includes the long filament that can be made of nylon indicator material.In some embodiments
In, these long filaments are painted to blue on their outside surface.Toothbrush is used over time, on nylon indicator material
Coloring slowly subsides to indicate degree that long filament is worn.There are six the installations that head 13 is fixed on to the cluster 52 between 12
Surface 44.
In addition, three clusters 36 to six Fig. 5 are arranged in along the longitudinally projecting portion 46 on head 13 in the form of central row
Between cluster 50 and 52.Cluster 36 it is angled up in the side far from shank 42 and be arranged such that first group of long filament 16 relative to
The longitudinally projecting portion 46 on head 13 is orthogonal orientation.In some embodiments, the length that these clusters 36 are formed by the PBT with abrasive material
Silk is constituted, and kaolinton particle is mixed in such as entire PBT.Between half moon-shaped cluster 48 and cluster 36, single other cluster
54 are fixed in installation surface 44.The cluster 54 is similar to cluster 36, however cluster 54 is only made of the long filament with equal length, with
Just the long filament of cluster 48 and 36 is avoided mutually to tangle in the period that moves forward and backward of toothbrush 15.
The cluster 36,48,50,52,54 for being attached to the head 13 of Figure 12 can be in respective cluster 36,48,50,52,54 and head 13
Installation surface 44 between have about 45 ° to about 89 °, optionally about 60 ° to about 85 °, more optionally about 65 ° to about 83 °, even
More optionally about 70 ° to about 80 °, even more optionally about 72 ° to about 78 °, even more optionally about 74 °, about 75 ° or about 76 °
Inclined angle alpha.
When toothbrush 15 travels forward, first group of long filament 16 of cluster 36 is supported by second group of shorter long filament 18, is caused
Higher bending stiffness.Higher bending stiffness helps that first group of long filament 16 is made to be deep into narrow space.It is transporting backward
When dynamic, the bending stiffness of long filament is relatively low, thus first group of long filament 16 can leniently move on tooth surfaces without
Generate desultory effect.
According to the toothbrush of Figure 12 can improve from gingival margin, between cog area, lingual surface, outer buccal surface and rear portion molar remove dental plaque and
Residue.
Include three kinds of different types of clusters 10,48,52 according to the head 19 of the toothbrush 17 of Figure 13 to Figure 17.In Fig. 1 and Fig. 6
Illustrate the cluster 10 (the first exemplary embodiment) of the first type.Another type of cluster 48,52, i.e., half moon-shaped 48 He of cluster
Cluster 52 is identical as the cluster described about Figure 12.Half moon-shaped cluster 48 is fixed in the tail region of the distal end on head 19, i.e., farthest
From shank 42.The central module of installation surface 44 is arranged in the first row of the first exemplary embodiment of 52 alternate cluster 10 of cluster
In.Whole clusters 10,52 of the first row are angled towards shank 42.With the of the first exemplary embodiment of 52 alternate cluster 10 of cluster
Two rows and the third line are arranged on every side of the first row, and are at an angle of in the opposite direction, i.e., far from shank 42.The first row
Each cluster 10 replaces with a cluster 52.Each cluster 10 of the second row and the third line replaces with two clusters 52, in addition to only with one
Cluster 52 is alternately close to except the last cluster 10 of shank 42.
First exemplary embodiment of cluster 10 is arranged such that first group of long filament 16 in the installation surface 44 on head 19
Extend with being orthogonal with the longitudinally projecting portion 46 on head 19.Therefore, when toothbrush 17 is moved along its longitudinally projecting portion, first group
Long filament 16 shows higher bending stiffness, and is to be moved to tooth from tooth when toothbrush 17 is orthogonally mobile with longitudinally projecting portion
When gum, lower bending stiffness is shown, vice versa.Relatively high cleaning performance when this can ensure to move forward and backward, and in side
Relatively low bending stiffness on direction ensures the protection to gum.
The cluster 10,48,52 for being attached to the head 19 of Figure 13 to Figure 17 can be in the installation of respective cluster 10,48,52 and head 19
With about 45 ° to about 89 °, optionally about 60 ° to about 85 °, more optionally about 65 ° to about 83 ° between surface 44, even more optionally
About 70 ° to about 80 ° of ground, even more optionally about 72 ° to about 78 °, even more optionally about 74 °, about 75 ° or about 76 ° of inclination
Angle α.
It is to be appreciated that dimension disclosed herein and value, which are not intended to, is strictly limited to cited exact value.On the contrary, unless another
It indicates outside, otherwise each such dimension is intended to indicate that described value and around the functionally equivalent range of the value.For example, open
It is intended to indicate that " about 40mm " for the dimension of " 40mm ".
Claims (14)
1. one kind being used for the head (12,13,19) of oral care implement (14,15,17), including：
From the installation surface (44) of the head (12,13,19) extend and with outside area (22) at least one cluster (10,
30,32,34,36),
The cluster (10,30,32,34,36) includes limiting first group of long filament (16) of the first lateral areas (24) and limiting the
At least second group of long filament (18) of two lateral areas (26),
First group of long filament (16) has the first length, and second group of long filament (18) has the second length, and described the
One length is more than second length, wherein at least one by first lateral areas (24) of the outside area (22) of the cluster
Divide at least part (76) of (72) and second lateral areas (26) composition；Wherein, first group of long filament (16) is in first party
There is the first bending stiffness on (x), and there is the second bending stiffness, first direction (x) base in second direction (y)
It is orthogonal to the second direction (y) on this, and first bending stiffness is higher than second bending stiffness, and described the
The first direction (x) of one bending stiffness is arranged essentially parallel to the longitudinally projecting portion (46) on the head (12,13,19)；
Wherein, the cross section of first group of long filament is rectangular shape, and the width of the transverse cross-sectional area of first group of long filament
Degree extends beyond the width of the transverse cross-sectional area of second group of long filament.
2. head (12,13,19) according to claim 1, wherein at least part of first lateral areas (24)
(82) at least part (80) of adjacent second lateral areas (26).
3. head (12,13,19) according to claim 1, wherein the cluster (10,30,32,34) further includes limit
Determine at least third group long filament (20) of third lateral areas (28).
4. head (12,13,19) according to claim 3, wherein the cluster (10,30,32,34) is described outer
Lateral areas (22) is by least one portion (72) of first lateral areas (24), at least one portion of second lateral areas (26)
(76) and at least one portion of the third lateral areas (28) (78) forms.
5. head (12,13,19) according to claim 3, wherein the third group long filament (20) has equal to described
The third length of second length.
6. head (12,13,19) according to claim 3, wherein first group of long filament (16) is clipped in described second
Between group long filament (18) and the third group long filament (20).
7. head (12,13,19) according to claim 1, wherein first group of long filament (16) is that tool is cuspidated
Tapered filaments.
8. head (12,13,19) according to claim 1, wherein first group of long filament (16) and second group described
Long filament (18) is mutually different in a characteristic also at least in following characteristic：Diameter, bending stiffness, material, texture, cross section
Shape, coloring and combination thereof.
9. head (12,13,19) according to claim 1, wherein the cluster (10,30,32,34,36) is opposite
Installation surface (44) in head (12,13,19) tilts.
10. head (12,13,19) according to claim 9, wherein be limited to the cluster (10,30,32,34,
36) inclination angle (α) between the installation surface of the head (12,13,19) (44) is 45 ° to 89 °.
11. head (12,13,19) according to claim 10, wherein the inclination angle (α) is 70 ° to 80 °.
12. head (12,13,19) according to claim 10, wherein the inclination angle (α) is 74 ° to 76 °.
13. head (12,13,19) according to any one of the preceding claims, wherein the cluster (10,30,32,
34,36) head (12,13,19) is attached to using hot tufting process.
14. a kind of oral care implement (14,15,17), including head according to any one of the preceding claims
(12, 13, 19)。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13170759.8A EP2810580B1 (en) | 2013-06-06 | 2013-06-06 | Head for an oral care implement |
| EP13170759.8 | 2013-06-06 | ||
| PCT/US2014/040128 WO2014197291A1 (en) | 2013-06-06 | 2014-05-30 | Head for an oral care implement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105263359A CN105263359A (en) | 2016-01-20 |
| CN105263359B true CN105263359B (en) | 2018-08-14 |
Family
ID=48569986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480032098.7A Active CN105263359B (en) | 2013-06-06 | 2014-05-30 | Head for oral care implement |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP2810580B1 (en) |
| KR (2) | KR20160009604A (en) |
| CN (1) | CN105263359B (en) |
| AU (1) | AU2014275263B2 (en) |
| BR (1) | BR112015029919B1 (en) |
| CA (1) | CA2914480A1 (en) |
| ES (1) | ES2720880T3 (en) |
| HK (1) | HK1217884A1 (en) |
| MX (1) | MX367886B (en) |
| PL (1) | PL2810580T3 (en) |
| WO (1) | WO2014197291A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645917B (en) * | 2015-05-14 | 2020-12-04 | 皇家飞利浦有限公司 | Brush head assembly and method of making same |
| EP3381404B1 (en) | 2017-03-31 | 2020-10-14 | Trisa Holding AG | Electrical body care brush |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055472A (en) * | 1990-03-29 | 1991-10-23 | 科尔加特·帕尔莫利弗公司 | Plaque removing toothbrush |
| CN1342048A (en) * | 1999-03-04 | 2002-03-27 | 科伦特工厂有限公司 | Method and device for producing brushware and brushware obtained with same |
| CN103140148A (en) * | 2010-08-18 | 2013-06-05 | 特里萨控股股份公司 | Toothbrush having a bristle area design |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4444926A1 (en) * | 1994-12-16 | 1996-06-27 | Coronet Werke Gmbh | Brush for dental and personal care |
| CN2244346Y (en) * | 1995-02-25 | 1997-01-08 | 李玉贤 | Health toothbrush with multiple high bristle |
| AU2003252861A1 (en) * | 2003-10-07 | 2005-04-21 | Gillette Canada Inc. | Cleaning Device |
| TW200936077A (en) * | 2007-06-28 | 2009-09-01 | Glaxosmithkline Consumer Healt | Novel device |
| US20100115724A1 (en) * | 2008-11-13 | 2010-05-13 | Acumen Co., Ltd. | Brush head of a toothbrush |
| TW201034600A (en) * | 2008-12-15 | 2010-10-01 | Glaxosmithkline Consumer Healt | Novel device |
-
2013
- 2013-06-06 ES ES13170759T patent/ES2720880T3/en active Active
- 2013-06-06 EP EP13170759.8A patent/EP2810580B1/en active Active
- 2013-06-06 PL PL13170759T patent/PL2810580T3/en unknown
-
2014
- 2014-05-30 AU AU2014275263A patent/AU2014275263B2/en active Active
- 2014-05-30 CA CA2914480A patent/CA2914480A1/en not_active Abandoned
- 2014-05-30 KR KR1020157034667A patent/KR20160009604A/en active Search and Examination
- 2014-05-30 WO PCT/US2014/040128 patent/WO2014197291A1/en active Application Filing
- 2014-05-30 CN CN201480032098.7A patent/CN105263359B/en active Active
- 2014-05-30 MX MX2015016604A patent/MX367886B/en active IP Right Grant
- 2014-05-30 BR BR112015029919-9A patent/BR112015029919B1/en active IP Right Grant
- 2014-05-30 KR KR1020177027460A patent/KR101896895B1/en active IP Right Grant
-
2016
- 2016-05-23 HK HK16105854.6A patent/HK1217884A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055472A (en) * | 1990-03-29 | 1991-10-23 | 科尔加特·帕尔莫利弗公司 | Plaque removing toothbrush |
| CN1342048A (en) * | 1999-03-04 | 2002-03-27 | 科伦特工厂有限公司 | Method and device for producing brushware and brushware obtained with same |
| CN103140148A (en) * | 2010-08-18 | 2013-06-05 | 特里萨控股股份公司 | Toothbrush having a bristle area design |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2014275263A1 (en) | 2015-12-03 |
| KR20160009604A (en) | 2016-01-26 |
| CA2914480A1 (en) | 2014-12-11 |
| MX367886B (en) | 2019-07-30 |
| HK1217884A1 (en) | 2017-01-27 |
| ES2720880T3 (en) | 2019-07-25 |
| BR112015029919B1 (en) | 2021-10-19 |
| MX2015016604A (en) | 2016-03-16 |
| BR112015029919A2 (en) | 2017-07-25 |
| WO2014197291A1 (en) | 2014-12-11 |
| EP2810580B1 (en) | 2019-02-13 |
| PL2810580T3 (en) | 2019-07-31 |
| EP2810580A1 (en) | 2014-12-10 |
| AU2014275263B2 (en) | 2017-07-20 |
| KR20170116205A (en) | 2017-10-18 |
| KR101896895B1 (en) | 2018-09-10 |
| CN105263359A (en) | 2016-01-20 |
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