CN1809299A

CN1809299A - Toothbrush

Info

Publication number: CN1809299A
Application number: CNA2004800170454A
Authority: CN
Inventors: D·J·霍尔贝因
Original assignee: Colgate Palmolive Co
Current assignee: Colgate Palmolive Co
Priority date: 2003-06-20
Filing date: 2004-06-18
Publication date: 2006-07-26
Anticipated expiration: 2024-06-18
Also published as: CN1809301B; MXPA05012998A; MY144162A; CN101480296B; KR101122892B1; KR20110101251A; KR20060019592A; CO5630014A2; CN100471417C; MY169521A; US20040255416A1; CN1809301A; KR101217422B1; AU2010249146A1; KR20060033731A; CO5650211A2; CN101480296A; BRPI0411546A; BRPI0411546B1; KR101185653B1

Abstract

Disclosed is a toothbrush which comprises a brush head and a plurality of cleaning pieces used for reinforcing the cleaning of the teeth. The tooth cleaning piece comprises cleaning pieces which are arranged annularly and are used for maintaining tooth powder or tooth paste; a central cleaning piece is arranged in the center of the annular arrangement; two arc cleaning pieces are arranged on both sides of the annular arrangement; a peripheral cleaning piece is provided with a stepped and inclined structure; a remote cleaning piece and a near end cleaning piece are slender.

Description

A kind of toothbrush

Technical field

The present invention relates to a kind of toothbrush, it has the cleaning brush of reinforcement.

Background technology

Toothbrush is by coming cleaning teeth from dental surface removing dental plaque and residue.Traditional toothbrush is provided with the bristle edging on plane, has so just limited the ability of its suitable tooth curved surface, is difficult to enter between interdental tooth the district and removes dental plaque and residue and clear up along the gum line.In addition, such toothbrush only has the ability that limited maintenance tooth powder or toothpaste carry out cleaning of teeth.In the process of brushing teeth, tooth powder or toothpaste slide by bristle tuft usually, break away from bristle and interdental contact zone.Consequently, tooth powder or toothpaste are dispersed in the oral cavity usually, rather than focus on the contact zone of bristle and tooth.Therefore, the efficient of cleaning course reduces.

Summary of the invention

The present invention relates to a kind of toothbrush, it has novel cleaning device arranges, and the cleaning of teeth of reinforcement can be provided.

In one aspect of the invention, toothbrush comprises brush, has a plurality of tooth cleaning members that extend from matrix surface.Tooth cleaning member forms annular arrangement, to keep tooth powder or toothpaste better, near bristle and interdental contact zone, carries out more effective cleaning.In a preferred structure, each ring-type is made up of a plurality of independently flexible cleaning devices, can make the user feel comfortable, and improved cleaning of teeth is provided.

In another aspect of this invention, other cleaning devices are arranged in the cleaning device that forms ring-type.In this structure, these center cleaning devices are crucial settings, can make the tooth powder of maintenance or the cleaning efficiency of toothpaste maximize.

In another aspect of this invention, tooth cleaning member is along the periphery setting of brush.In a preferred embodiment, these peripheral cleaning devices have step and inclination, can clean along the gum line, and arrive between interdental tooth and distinguish.

The invention still further relates to the combination that is positioned at different types of cleaning device on the single brush, common formation can improve the pattern of cleaning of teeth, comprises and cleans backteeth (rear teeth) effectively, distinguishes the tongue side of gum line and tooth and face side surface between interdental tooth.

Description of drawings

By with reference to the explanation of doing below in conjunction with accompanying drawing, can more fully understanding be arranged to the present invention and advantage thereof, the identical feature of similar mark representative in the accompanying drawing, in the accompanying drawing:

Fig. 1 is the perspective view according to the toothbrush of one or more aspects of shown embodiment;

Fig. 2 is the amplification front elevation of the brushhead portion of Fig. 1 toothbrush;

Fig. 3 is the enlarged side view of the brushhead portion of Fig. 1 toothbrush;

Fig. 4 is the sectional view along the brushhead portion of the section 4-4 of Fig. 2;

Fig. 5 is the partial section of the brushhead portion of similar Fig. 4, is clearly shown that the tooth cleaning member of keeping apart;

Fig. 6 is the partial section that is similar to the brushhead portion of Fig. 4, has clearly illustrated another tooth cleaning member of keeping apart;

Fig. 7 is the distal end view of the brushhead portion of toothbrush shown in Figure 1.

The specific embodiment

Fig. 1 to 7 shows the toothbrush 100 with supporting mass 101, and supporting mass comprises handle 103 and brush 105, and the tooth cleaning member 200 of cleaning user tooth.Handle 103 makes the user hold easily and handles toothbrush 100 that handle can form many different shapes and various different structure.Brush 105 is ends of supporting mass, is provided with tooth cleaning member 200 on it.Tooth cleaning member can be connected to the matrix surface 109 of brush 105 by any known mode.

In preferred structure, matrix surface 109 is provided with at least one group of cleaning device 209, forms circulus 214 jointly, can keep tooth powder or toothpaste better among tooth cleaning member 200, especially between the contact zone of cleaning device and tooth.Although loop configuration is preferably circular, also can have various closed circular, include but not limited to oval, square and irregularly shaped.Believe that the interior concave wall surfaces of using in the ring-type can keep better and mobile tooth powder or toothpaste in tooth, especially move when brushing teeth with the roundlet of hope when toothbrush.In addition, can also use other shapes.Ring-type can form basic closing structure simply, to keep tooth powder or toothpaste.

In order to keep tooth powder or toothpaste better, each circulus is preferably formed by the cleaning device that elastomeric wall members is formed.Although circulus can form by the elongated bristle tuft of close installation, compare with elastomeric wall members, it is more to be arranged so that like this tooth powder or toothpaste break away from.In addition, preferably closed substantially although circulus can be complete closing structure, form by a plurality of independently flexible piece 209a-d.In this way, cleaning device can provide limited and controlled tooth powder or toothpaste to flow in outer cleaning device, and keeps enough flexibilities, makes the user feel more comfortable, improves the cleaning action of cleaning device 209.In a preferred embodiment, as shown in Figure 2, each circulus is formed by four elastomeric wall members 209a-d, and each wall shape spare forms the arcuation part, is similar to 1/4 circle.As mentioned above, the arcuation part of closing on is spaced apart, forms gap 212, allows the limited ground of tooth powder or toothpaste outwards to flow out, and allows each wall shape spare independently to carry out deflection.The gap also can be flow through ring-type by water and helps clean cleaning device 209.It is tiny that but the gap preferably keeps, with the disengaging of restriction tooth powder or toothpaste.Although demonstrated four parts that form ring-type, other quantity also can adopt.The available any known elastomeric material that can be used as tooth cleaning member of wall shape spare forms.At last, though arch section cleaning device independently preferably, ring-type can also be formed by single-piece, but groove is set to form the cleaning device 209a-d of gap 212 and independent deflection on it.

Know demonstration as Fig. 2, preferred embodiment comprises three ring-type 214a-c, is provided with from front to back along longitudinal axis a-a respectively.Can keep major part to be applied to the tooth powder or the toothpaste of tooth cleaning member in this way, with cleaning user's tooth.Yet, can use one, two or more than three ring-types.In addition, ring-type can other pattern setting, comprise that non-alignment is arranged or off-axis a-a is provided with.

In preferred construction, center cleaning device 207 is arranged on the center of each ring-type 214.Although also can when using big ring-type, be arranged on each ring center place more than a center cleaning device 207.By such setting, tooth powder or toothpaste carry out effective cleaning be retained in the end of cleaning device 207 in the operating period of brushing teeth near.In preferred structure, the concave nature of the inner surface of cleaning device 209a-d at the brush of brush 105 during the moving or vibration guiding tooth powder or toothpaste to cleaning device 207a-c.

Center cleaning device 207 is preferably formed by bristle tuft, with cleaning teeth effectively.But can use one or more elastic components to form distal cleaning elements, additionally be provided with or replace the use bristle.

The bristle of cleaning device 203 and the most handy nylon material of other bristle tuft that below will discuss are made, and can buy the nylon material of commodity Brilliance by name from Dupont company.But, also can use other materials.The bristle of toothbrush 100 preferably has circular section shape, also other cross sectional shapes can be arranged.Circular bristle can use the nylon material that can be called TYNEX from the commodity that Dupont company has bought.The diameter of circular bristle is preferably 0.007 inch to 0.008 inch, or has other sizes, and this depends on the bristle cleaning action of hope.Tooth cleaning member uses the manufacture method of known oral care product to be connected to toothbrush.

With reference to figure 1 and Fig. 2, additional outer

ring cleaning device

211a, 211b is arranged on the central region of brush 105, is arranged to the arc setting around the cleaning device 209a-d of more intermediate annular 214b usually.These outer arcuate cleaning devices 211a-d is preferably formed by two relative arc cleaning devices, and arcuate member generally is symmetrical, is positioned at the both sides of the longitudinal axis a-a of brush 105.As shown in Figure 2, outer cleaning device 211a-b is around the ring-type cleaning device 209a-d of brush 105 centers, to use this space of brush effectively.In a preferred embodiment, general concentric being arranged among the outer cleaning device 211a-b of the ring-type cleaning device 209a-d of center.The tooth powder or the toothpaste that flow through the gap 212 on the ring-type 214b side will be utilized by outer cleaning device 211.And outer arcuate cleaning device 211a, the most handy elongated bristle tuft of b forms, with cleaning teeth effectively.Can replace bristle or form with one or more elastic components extraly.

Fig. 4 to 6 is sectional views of brush 105, has shown cleaning device 207,209 and 211 preferred length characteristic.In this preferred construction, being shorter in length than of

center cleaning device

207a and 207c forms ring-type 214a, and the cleaning device 209 of 214c can help to keep ring-type 214a, and tooth powder among the c or toothpaste are strengthened the cleaning to the lingual surface and the face of tooth.Cleaning device 207a, first height H 1 of c is preferably in about 0.20-2.0 millimeter with the difference in height of second height H 2 of cleaning device 209, also other variations can be arranged.The aspect ratio of center cleaning device 207b forms cleaning device 209 height of center ring-type 214b, the bizet that can help to clean between cog better and clean molar.Difference in height between the 3rd height H 3 of cleaning device 207b and second height H 2 of cleaning device 209 preferably is approximately 0.20 to 2.0 millimeter, also can adopt other variations.Although this structure is preferred,, if desired, also can adopt other height change of cleaning device can optimize the cleaning on each surface in the oral cavity.For example, center cleaning device 207 can have equal height mutually, and has equal height with ring-type cleaning device 209, or it is higher or lower than the ring-type cleaning device highly by different way.In another example, in the staple structure of toothbrush 100, the height of center cleaning device 209 can be higher than ring-type cleaning device 209.

Brush 105 also comprises the distal cleaning elements 203a-b that is positioned at free end 107.In preferred construction, two adjacent

distal cleaning elements

203a, 203b strides across longitudinal axis a-a, although also can or form more than two cleaning devices by one.Distal cleaning elements 203a-b surpasses the end of other toothbrush cleaning devices from matrix surface 109 outstanding height.The end of each bristle tuft 203a-b forms outermost clean surface 204 jointly, and the matrix surface 109 of its relative brush 105 tilts.In by way of example, the preferably relative matrix surface 109 of cleaning face 204 forms about 30 degree angle φ, also can be in the scopes of 10 to 50 degree.Will be appreciated that, can form other angle.The extension of the clean surface 204 of distal cleaning elements 203a-b and angle preferably make user's tooth of oral cavity cleaning back better.Cleaning device 203a-b can also be used to enter between the tooth space and enter the molar bizet.At last, as shown in Figure 7, the clean surface 204 of outermost is preferably to side downward-sloping (forming crown surface), to help from the cleaning of teeth residue.

Periphery cleaning device 205a-c is positioned near the free end, along each side 108 of brush 105.These peripheral cleaning device 205a-c are preferably formed by a plurality of bristle tuft, and the usually relative longitudinal axis a-a of bristle tuft is symmetrical arranged.Cleaning device 205a-c is positioned at back and the side of distal cleaning elements 203a-b.Similarly, peripheral cleaning device 215a-c also is that relative axis a-a is symmetrical arranged, near the near-end 111 of brush 105 and along each side 108.Two groups of cleaning device 205a-c, 215a-c become mirror image usually mutually, but also can have other structures.Far-end and proximal end perimeter cleaning device 205a-c, the structure of 215a-c can make the user clean and clean at interdental space along the gum line usually.In shown embodiment, each organizes peripheral cleaning device 205a-c, and 215a-c has three bristle tuft.But these groups also can be used some more or less bristle tuft.In addition, one or more elastic components also can be used to form peripheral cleaning device, replace bristle or therewith use.

As shown in Figure 3, the end of peripheral cleaning device 205a-c and 215a-c surpasses the length of cleaning inside spare 207,209,211 from matrix surface 109 outstanding length.In a preferred embodiment, two groups of periphery cleaning devices 205,215 are provided with along the both sides 108 of brush 105.Each is organized peripheral cleaning device and comprises that three are generally concordant bristle tuft, although the bristle tuft of other quantity also can be used.Each organizes the center tuft cleaning device 205b of peripheral bristle tuft, and 215b is from outwards outstanding

other pieces

205a, 205c, 215a, the 215c of surpassing of matrix surface 109.Be provided with like this and make

cleaning device

205b, 215b can darker joint facing along the gum line, uses cleaning device 205a simultaneously, 205c, and 215a, 215c stimulates gum.In addition, each pieces has the end 206,216 of inclination, to improve between tooth the district and along the cleaning of gum line.

Near-end cleaning device 213a-b is positioned near the near-end 111 of brush 105.A pair of bristle tuft preferably strides across longitudinal axis a-a, but one or more than two cleaning devices also can be formed at the near-end of brush.These near-end cleaning devices 213a, b is preferably formed by bristle tuft, but also can comprise or form one or more elastic components.

The feature of each side of the present invention can be applicable to manual toothbrush or electric toothbrush.In the operation, the feature of introducing previously can be individually and/or is improved the clean-up performance of toothbrush with compound mode.These advantages also can realize by various cleaning devices and synergistic effect.Although the various feature actings in conjunction of toothbrush 100 can realize will be appreciated that the advantage introduced previously that single feature and these combination of features can be used for obtaining some above-mentioned advantage, and needn't adopt all features.The specific combination of element can realize abnormal cleaning effect in the head space of miniaturization.

Although the present invention introduces with reference to specific embodiment, wherein specific embodiment comprises enforcement preference pattern of the present invention, and the those skilled in the art can make various changes and modifications to system and the technology of introducing above.Therefore, the spirit and scope of the present invention will be understood that it is broad sense, limit as claims.

Claims

1. toothbrush comprises:

Handle;

Brush is connected to described handle; With

A plurality of tooth cleaning members extend from described brush, and described tooth cleaning member comprises elastomeric wall members, forms the ring-type of at least one base closed jointly.

2. toothbrush according to claim 1 is characterized in that, forms between the adjacent elastomeric wall members of described ring-type and forms the gap.

3. toothbrush according to claim 2 is characterized in that described tooth cleaning member also comprises the center cleaning device, is arranged on the ring center place that described elastomeric wall members forms.

4. toothbrush according to claim 3 is characterized in that, described center cleaning device forms first height from described brush, and described elastomeric wall members has second height that forms from described brush respectively, described first height and second highly inequality.

5. toothbrush according to claim 4 is characterized in that, described first highly is higher than second height.

6. toothbrush according to claim 4 is characterized in that, described first highly is lower than second height.

7. brush part according to claim 1 is characterized in that, forms a plurality of ring-types on the described brush.

8. toothbrush according to claim 1 is characterized in that, general concentric each side that is positioned at described ring-type of described outer arcuate cleaning device.

9. toothbrush according to claim 8 is characterized in that, described outer arcuate cleaning device is formed by the bristle tuft of elongated bending.

10. toothbrush according to claim 1 is characterized in that, described tooth cleaning member also comprises at least one group of periphery cleaning device along described brush dual-side.

11. toothbrush according to claim 10 is characterized in that, described each peripheral cleaning device is the bristle tuft that has inclined end portion.

12. toothbrush according to claim 10 is characterized in that, describedly respectively organizes peripheral cleaning device and comprises at least three adjacent peripheral cleaning devices, wherein the length that surpasses its both sides from the outstanding length of described brush in the centre of adjacent peripheral cleaning device.

13. toothbrush according to claim 12 is characterized in that, described each peripheral cleaning device is the bristle tuft that has inclined end portion.

14. toothbrush according to claim 1 is characterized in that, described tooth cleaning member also comprises at least one distal cleaning elements, is positioned at the free end of brush, and described distal cleaning elements surpasses described elastomeric wall members from the length that described brush extends.

15. toothbrush according to claim 14 is characterized in that, described distal cleaning elements forms outer clean surface, faces described brush outside, and wherein said outer clean surface and described brush form acute angle.

16. toothbrush according to claim 15 is characterized in that, described outer clean surface from the longitudinal axis of described brush to laterally inclined.

17. toothbrush according to claim 14 is characterized in that, described distal cleaning elements forms outer clean surface, faces described brush outside, wherein said outer clean surface from the longitudinal axis of described brush to laterally inclined.

18. a toothbrush comprises:

Handle;

Brush is connected to described handle; With

A plurality of tooth cleaning members that extend from described brush, described tooth cleaning member comprises a pair of arc cleaning device, has the concave surface that faces one another; With the center cleaning device that is provided with at arc cleaning device center.

19. toothbrush according to claim 18 is characterized in that, described arc tooth cleaning member is an elastomeric wall members.

20. toothbrush according to claim 19 is characterized in that, described arc tooth cleaning member forms the ring-type of base closed around the center cleaning device.

21. toothbrush according to claim 18 is characterized in that, described arc tooth cleaning member is continuous bristle tuft.

22. toothbrush according to claim 18 is characterized in that, described tooth cleaning member also comprises at least one group of periphery cleaning device along each limit of described brush.

23. toothbrush according to claim 22 is characterized in that, described each peripheral cleaning device is the bristle tuft that has inclined end portion.

24. toothbrush according to claim 23 is characterized in that, describedly respectively organizes peripheral cleaning device and comprises at least three adjacent peripheral cleaning devices, wherein the length that surpasses its both sides from the outstanding length of described brush in the centre of adjacent peripheral cleaning device.

25. a toothbrush comprises:

Handle;

Brush is connected to described handle, and it comprises longitudinal axis, matrix surface and a pair of opposed side edges; With

A plurality of tooth cleaning members, stretch out from described matrix surface, comprise inner tooth cleaning member, at least one group of periphery tooth cleaning member, described side along described brush, each described peripheral tooth cleaning member surpasses cleaning inside spare from the distance that described matrix surface extends, and each peripheral tooth cleaning member of described group comprises at least three adjacent peripheral cleaning devices, a development length that surpasses both sides from the development length of matrix surface in the middle of the adjacent peripheral tooth cleaning member.

26. toothbrush according to claim 25 is characterized in that, described each peripheral cleaning device is formed by bristle tuft.

27. toothbrush according to claim 26 is characterized in that, each described peripheral cleaning device has the end of inclination.

28. toothbrush according to claim 25 is characterized in that, described tooth cleaning member also comprises at least one distal cleaning elements, is positioned at the free end of brush, and described distal cleaning elements surpasses peripheral cleaning device from the distance that matrix surface extends.

29. toothbrush according to claim 28 is characterized in that, described far-end tooth cleaning member is formed by bristle tuft.

30. toothbrush according to claim 28 is characterized in that, described far-end tooth cleaning member comprises that wherein said outer clean surface and described matrix surface form acute angle in the face of the outer clean surface of described matrix surface outside.

31. toothbrush according to claim 25 is characterized in that, described tooth cleaning member also comprises a plurality of elastomeric wall members, forms the ring-type of at least one base closed jointly.

32. toothbrush according to claim 31 is characterized in that, forms between the adjacent elastic wall of described ring-type and forms the gap.

33. toothbrush according to claim 32 is characterized in that, described tooth cleaning member also comprises the center cleaning device, is arranged on the ring center place that described elastomeric wall members forms.