CN1386456A - Toothbrush with single embedded bristles - Google Patents
Toothbrush with single embedded bristles Download PDFInfo
- Publication number
- CN1386456A CN1386456A CN02120455.1A CN02120455A CN1386456A CN 1386456 A CN1386456 A CN 1386456A CN 02120455 A CN02120455 A CN 02120455A CN 1386456 A CN1386456 A CN 1386456A
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- China
- Prior art keywords
- bristle
- toothbrush
- millimeter
- class
- diameter
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Classifications
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
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- 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
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- 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
- A46B15/0032—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with protrusion for polishing teeth
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/005—Arrangements of the bristles in the brush body where the brushing material is not made of bristles, e.g. sponge, rubber or paper
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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
- A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- 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
An improved toothbrush is disclosed. The toothbrush contains bristles which are individually embedded in a toothbrush head and mutually spaced apart from one another by a distance from 0.5 times to 10 times the diameter of the bristles. The bristles may include first type bristles having a diameter of from about 0.25 mm to about 0.60 mm; second type bristles having a diameter of from about 0.08 mm to about 0.35 mm and a free length of from about 7 mm to about 16 mm; third type bristles having a diameter of from about 0.15 mm to about 0.40 mm and a free length of from about 5 mm to about 14 mm; fourth type bristles having a diameter of from about 0.15 mm to about 1.0 mm and a free length of from about 9 mm to about 15 mm; and a dense tuft of bristles at the end of the toothbrush head distal from the handle.
Description
This is the application No.09/461 that is filed on December 15th, 1999,891 part continuation application.
Technical field
The present invention relates to toothbrush.Toothbrush is characterised in that upright plastics bristle embeds the head of toothbrush individually with small distance each other.In singly the head of toothbrush, there are several different bristle settings, every kind of setting all has the purpose of unique oral cavity function.
Background technology
Make traditional toothbrush by the plastic head that bristle pack (" bunch ") is attached to toothbrush.Can come bonding bunch with several different methods.In a kind of well-known method, each bunch is made of many independent bristles that are folded into the U-shaped structure.Bunch insertion that will fold then is arranged on hole or the chamber in the toothbrush head.By a small pieces metal (being called " reed " or " bail ") is inserted in the chamber, make each folding bunch to be held in place in its corresponding chamber, the bottom that causes U-shaped bunch and be fixed between the bottom and bail in chamber.Sometimes each is a folding bunch part that is fixed in its corresponding chamber is called " bristle root ".For example see the U.S. 3,590,438, this paper will quote it and disclose as a reference.Each bunch is made up of the independent bristle of 2-60 root of any position, and according to the design and the toothbrush kind of manufacturer, described bristle has about 0.15 length to about 0.25 millimeter diameter and 7 to 13 millimeters usually.For example, compare with " medium " bristle toothbrush, " soft " bristle toothbrush has different length and diameter.
In another manufacture method, each bunch comprises many independent bristles again.Many brushing clusters (each bunch comprises many independent bristles) are inserted corresponding hole in first molded element so that bunch length from the side extending projection of molded element, this molded element will be formed for the inner surface of the molding cavity of toothbrush body subsequently.At least a portion with the projection length of each bunch fuses into one then, and the cross section of this group is greater than the hole of the inboard of first molded element.First molded element is matched with second molded element, being defined for the molding cavity of toothbrush body, and moulding material is injected in the chamber to form final toothbrush product.For example see the U.S. 4,635,313, this paper will quote it and disclose as a reference.
This method considers and forms complicated and asymmetric bunch of pattern, this pattern than standard, with bail peg bunch more intensive.
Disclosed another among the WO 93/12690 brushing cluster is anchored on the method for brush carrier, this paper will quote it and disclose as a reference.
A problem relevant with the toothbrush that uses the cluster bristle to make be incorporated into the bristle of clustering architecture can not freely independent bending and warpage.Thereby the cluster bristle can't clean the bristle of irregular contour efficiently as freely independently deferring to along the structure of tooth.In addition, bunch structural limitations the freely-movable of independent bristle, particularly above tip, groove and other different shape of tooth structure.In addition, passage is subjected to the restriction of the huge diameter of the intensive brushing cluster of filling out envelope between the neighbour of bristle.
Another problem relevant with the toothbrush that uses the cluster bristle to make is after using, and toothbrush can not fully parch before using usually next time.Reason is that the bristle in conjunction with bunchy produces capillary between bristle.Can keep one long period in the capillary of moisture between bristle that uses toothbrush to produce.Moisture provides the condition that makes bacterium and growth of microorganism.The expert of ivory section recommend like that, if use twice toothbrush every day at least, use blanking time curtailment so that its drying.Should be specifically noted that this problem near the head toothbrushes of attached bristle the zone.Remain in the capillary and the dust particle that can't fully remove or remaining applicating medium (being toothpaste) have additionally promoted this effect again.When using the afterflush toothbrush, the quite dense space of the bristle in the root area can cause the incomplete removal of toothpaste remnants.
Therefore, need provide a kind of toothbrush of effective cleaning teeth, himself is easy to clean, and at relatively short time inner drying.
International patent application No.WO 96/27308 has narrated a kind of article that comprise that brush carrier and bristle are covered.Bristle is covered and is comprised the independent plastics bristle that can not be in contact with one another.Reference shows that the bending stiffness of bristle is very crucial to the validity of toothbrush.Not only pass through to select different bristle size (diameter, length) and bristle material, and, can make the stiffness change of whole bristle cover plate by selecting the space of varied slightly between the bristle.According to the space between the outside adjacently situated surfaces of bristle, bristle is separated into about 0.5 times to 4 times, particularly 1.5 to 2 times of bristle diameter.Bristle also can have different rigidity, for example different diameters and/or space, and wherein bristle pack has identical rigidity in one group, but different with the rigidity of another bristle pack.Bristle can have different length from brush carrier to the bristle free end.Can be with bristle configuration, assemble or be coated on their surface.Equally, can the formalize free end of bristle.
As employed here, term " free end " is meant the bristle ends away from the attachment point of bristle and head toothbrushes.
In traditional toothbrush, rigidity basically by bunch length and bunch in bristle fill out envelope density and separately the diameter of bristle determine.Because the bristle in bunch supports mutually, consequently bunch bending stiffness is than big several times of independent bristle, and therefore back one factor has less influence.Because the separation distance between the bristle in the WO 96/27308 described article, bristle diameter are when role is much larger than the bristle cluster in determining rigidity.WO 96/27308 is two kinds of most important factors of the definite bristle rigidity of narration not: suitable bristle lengths or diameter.
International patent application No.WO 99/07252 has narrated a kind of toothbrush with a plastic bruss burr portion and upright plastics bristle, and described plastics bristle is embedded in the bristle head individually.Bristle reciprocally separates a small distance.This distance is only filled out envelope density by bristle and is limited, and it is that centimetre there are 400 to 800 bristles on every plane on the head toothbrushes that described bristle is filled out envelope density.Reference discloses every plane, and centimetre the bristle density of 600 bristles to be arranged be best.Reference also discloses the diameter of bristle between about 0.095 millimeter and about 0.225 millimeter.Reference shows: the drift of bristle is short more, for keeping the selected diameter of rigidity more little; The whole height of the toothbrush in the zone of bristle head is between 6.5 millimeters and 11 millimeters; The thickness of bristle head is between 1.5 millimeters and 3 millimeters; The drift of bristle is 5 millimeters to 9.5 millimeters.Because separately the bending stiffness of bristle is significantly less than the bending stiffness of the brushing cluster that comprises many equal heights and diameter, so this application has disclosed and has had the use than short bristles identical with the diameter of traditional cluster bristle.Toothbrush with independent bristle can also pass through to change the space of bristle with accurate Change of Class bending stiffness.
WO 99/07252 has also set forth independent bristle formula toothbrush can provide gapless surface, and this surface is comparatively desirable aspect cleaning.This is an advantage of independent bristle technology.Because every bristle can self-movement, therefore more, less irregular dirt in the cleaning teeth structure simultaneously.The whole surface of toothbrush bristle can be used to more effectively clean, to provide than tradition bunch formula toothbrush better overall cleaning.Although the bristle sum on the traditional toothbrush roughly equates with bristle sum on the novel independent bristle formula toothbrush, realize that novel toothbrush has and surpass 1000 clean surfaces (independent bristle), and have only on the traditional toothbrush 40 to 50 clean surfaces (bunch).
In bunch formula toothbrush of softness, bristle have usually about 0.15 millimeter to about 0.25 millimeter diameter, and from about 8 millimeters to about 12 millimeters drift.The size of using in size that discloses in above-mentioned reference and the tradition bunch formula toothbrush is quite similar, but because the bristle in the reference is to embed separately, therefore bending stiffness is basically less than the bending stiffness of traditional toothbrush, and the independent brushing cluster of traditional toothbrush comprises many bristles.Therefore, for consumers, there are some problems in the independent bristle that having described in the above-mentioned reference is embedded in the head.A problem is, although some good bending ground in the bristle is fit to the profile of irregular tooth structure, excessive bending does not have benefit, if bristle is too soft, and cleaning teeth fully.Bristle intensity in the toothbrush will be not enough to clear away bacterial plaque, food debris etc.Although a people does not need to make bristle so hard certainly, so that damage is soft or hard oral cavity tissue, but still needs rigidity to a certain degree is to finish the cleaning action of toothbrush.
Second problem relevant with the toothbrush that discloses in the above-mentioned reference is that the consumer feels that they are soft excessively, and can't resemble and clean the harder slightly toothbrush.Although make the degree of the hard lesion ports cavity tissue of attending the meeting of toothbrush unsatisfactory, the rigidity that needs minimum degree is to provide actual cleaning and find the sensation that has realized cleaning in consumer's mind.The consumer may believe that soft toothbrush can't remove bacterial plaque, food debris etc. from tooth.The individual bristle of using in bunch formula toothbrush bending stiffness when using separately is low excessively.So that can not provide the sensation that in fact plays cleaning action for the consumer.
Three problem relevant with the toothbrush that discloses in the above-mentioned reference be since separately the bending stiffness of bristle much smaller than comprise many identical bristles bunch, and owing to not supporting bristle so that bristle is back to stand up position later in deflection around the periphery, therefore independent bristle might no longer appear at after use uprightly, the position of approximate vertical.The substitute is, after access times obviously were less than bunch formula toothbrush, bristle is (" inclination ") from head toothbrushes along all directions bending.The toothbrush that tilts is regarded as wearing and tearing and used by the consumer.Clinical research in the document shows also that the toothbrush of these inclinations can not resemble and cleans the identical toothbrush that contains new, upright bristle.
Four problem relevant with the toothbrush that discloses in the above-mentioned reference is the inspection by the consumer, and it is long to think that duration of toothbrush does not resemble bunch formula toothbrush.Perceive the toothbrush that contains the independent bristle that separates and do not possess and bunch identical elasticity of formula toothbrush, thereby need change in the near future.Its main cause is to feel other bristle that does not help every bristle to be kept upright.Tilting action hints that also consumer's toothbrush needs to change, owing to feel that the life-span of product is shorter, does not therefore want to buy this product.
Therefore, although the announcement of above-mentioned reference is arranged, a kind ofly provide effective cleaning of teeth, be easy to be cleaned and can be at the toothbrush of relatively short time inner drying but constantly require to have.We are surprised to find and adopt that diameter is bigger, in length and bunch formula toothbrush bunch the toothbrush of the similar bristle of length will solve or significantly reduce the problems referred to above.Length not only provides bigger rigidity as toothbrush to using at the similar thick bristle of the bristle of tradition in bunch formula toothbrush, thereby for the user provides the more sentient sensation of scrubbing, but also keep arriving between the tooth and the regional required bristle lengths of gums below.Thicker bristle has intrinsic bigger structure support and tilts with resistance, and the bristle less with respect to diameter, that length is identical can make its upright shape keep the longer time.
Summary of the invention
In one embodiment, the invention provides a kind of toothbrush, it has: a brush holder; One head toothbrushes at the brush holder far-end; And many first kind bristles, every bristle have from about 0.25 millimeter to about 0.60 millimeter diameter; Wherein first kind bristle is fixed individually, for example is embedded in the head toothbrushes; Bristle separates a distance each other, and this distance is from about 0.5 times to about 10 times of bristle diameter.
Can toothbrush handles (1) and head toothbrushes (2) be made into one by injection molding.Head toothbrushes (2) is at the far-end of toothbrush handles (1).Toothbrush handles (1) and head toothbrushes (2) usable polymers are made, such as but not limited to polyethylene, polypropylene and Merlon.
First kind bristle (3) and any other bristle of using in the present invention can be made by a kind of material of selecting in the elastomeric material, such as but not limited to rubber and the polymer selected from the cohort that nylon, polyamide, polyester, polybutylene terephthalate, polypropylene, acetal resin, fluoropolymer, polyacrylate, polysulfones constitute.First kind bristle and any other bristle of using in the present invention can be constructed, assemble or be coated on their surf zone.First kind bristle and any other bristle of using in the present invention can comprise additive, such as but not limited to grinding agent, polishing agent; Mothproofing agent, for example sodium fluoride; Antiseptic and combination thereof.
In the first embodiment of the present invention, first kind bristle (3) preferably all has identical drift.As employed here, term " drift " is meant that inner surface (9) from head toothbrushes is to the free-ended bristle lengths of bristle.Space between the outer surface of adjacent first kind bristle (4) and the diameter of first kind bristle is variable, to obtain filling out envelope density from every square centimeter 50 to every square centimeter 1000 first kind bristle.Every first kind bristle (3) is embedded in the head of toothbrush (2) individually.By the known technology of any present technique (comprising technology mentioned above) or by using adhesive that bristle is attached to the adhesive bonding method of head toothbrushes, any other bristle that first kind bristle (3) and this paper are used is fixed in head toothbrushes (2).
First kind bristle diameter is from about 0.25 millimeter to about 0.60 millimeter, space between the closely adjacent bristle approximately is 0.5 times to about 10 times of diameter of first kind bristle (3), preferably from about 0.5 times to about 4 times, make up above-mentioned first kind bristle (3) or application any other bristle in the present invention can be used to provide different sensations for the different piece of mouth.For example, with first kind bristle (3) be arranged at least a portion that makes head toothbrushes (2) comprise diameter from about 0.35 millimeter to about 0.60 millimeter first kind bristle (3), make simultaneously at least a portion of head toothbrushes (2) comprise diameter from about 0.25 millimeter to about 0.35 millimeter first kind bristle (3).
Toothbrush also can comprise at least one intensive brushing cluster (8).The masterful technique workman recognizes and can intensive brushing cluster (8) be fixed in head toothbrushes (2) by the known method of present technique (such as but not limited to fusion or bail technology).Bristle in this bunch have from about 0.08 millimeter to about 0.40 millimeter diameter and from about 7 millimeters to about 15 millimeters drift.Intensive brushing cluster (8) can be arranged on any position on the head toothbrushes (2).Preferably make intensive brushing cluster (8) be positioned at the far-end of toothbrush handles (1).When dense cluster (8) was positioned at the far-end of toothbrush handles, it is longer that the length of dense cluster cans be compared to the bristle that constitutes this toothbrush most.
In the second embodiment of the present invention, toothbrush comprises: a brush holder; One head toothbrushes at the brush holder far-end; At least one second class bristle, this bristle have from about 0.08 millimeter to about 0.35 millimeter diameter, and from about 7 millimeters to about 16 millimeters drift; And at least one the 3rd class bristle, this bristle have from about 0.15 millimeter to about 0.40 millimeter diameter, and from about 5 millimeters to about 14 millimeters drift; Wherein, the adjustment difference between the second class bristle and the 3rd class bristle is from about 0.5 millimeter to about 3 millimeters.This toothbrush is considered to provide the clean-up performance of enhancing.
The second class bristle (5) must have enough big diameter, has enough bristles of inherent rigidity to provide, and when can in use keep being enough to deferring to the flexibility of profile of oral surfaces, removes bacterial plaque, food debris etc. from tooth.In order to realize this purpose, the second class bristle (5) have from about 0.08 millimeter to about 0.35 millimeter, preferably from about 0.13 millimeter to about 0.35 millimeter diameter, and from about 7 millimeters to about 16 millimeters, preferably from about 9 millimeters to about 14 millimeters drift.The second class bristle (5) can be used between the cleaning teeth and the gum below.
The 3rd class bristle (6) can be the purpose service of teeth surfaces.The 3rd class bristle (6) have from about 0.15 millimeter to about 0.40 millimeter, preferably from about 0.20 millimeter to about 0.40 millimeter diameter, and from about 5 millimeters to about 14 millimeters, preferably from about 7 millimeters to about 12 millimeters drift.Recommend adjustment difference between the drift of the second class bristle (5) and the 3rd class bristle (6) from about 0.5 millimeter to about 3 millimeters, to guarantee between the tooth and the best cleaning of gum below.As employed here, term " it is poor to adjust " is meant the difference of the drift between different types of bristle.
The drift of giving the bristle in the certain portions of toothbrush is variable, so that provide improved cleaning impression by vision and haptic stimulus.For example, the cutting of a saw cut or a zigzag can increase consumer's interdental cleaning impression.Can use such as but not limited to other patterns such as waveform, arcs and replace saw cut or zigzag cutting.
In one embodiment of this invention, comprise the alternating segments of second class (5) and the 3rd class (6) bristle in the toothbrush, to strengthen the cleaning efficacy between the neighbour.In this embodiment, the second class bristle (5) replaces with the 3rd class bristle (6), the described second class bristle have from about 0.08 millimeter to about 0.35 millimeter, preferably from about 0.13 millimeter to about 0.35 millimeter diameter, and from about 7 millimeters to about 16 millimeters, preferably from about 9 millimeters to about 14 millimeters drift, described the 3rd class bristle have from about 0.15 millimeter to about 0.40 millimeter, preferably from about 0.20 millimeter to about 0.40 millimeter diameter, and from about 5 millimeters to about 14 millimeters, preferably from about 7 millimeters to about 12 millimeters drift.First comprises the second class bristle, and second portion comprises the 3rd class bristle.Described part has 1 to 7 row dark.If each part is separated 2.15 times of diameter of every adjacent bristle, and transition is separated in abutting connection with 2.15 times of the average diameter of bristle, the density of the 3rd class bristle part is every square centimeter of 380-600 root bristle, and the density of the second class bristle is every square centimeter of 100-350 root bristle.Owing to allow to use the thicker bristle of diameter, so the low-density of bristle is best, and described bristle can be the consumer bigger cleaning impression is provided.
Except the row who replaces, other pattern also can be used for the length bristle different with diameter, and they include but not limited to: alternating waves, around than short bristles along a row circle than long brush hairs, than hexagonal around the short bristles than long brush hairs etc.
In another embodiment of the present invention, at least one the 4th class bristle (7) is included in periphery at least a portion on every side of head toothbrushes (2).As employed here, " periphery " is meant the outer rim of the end face of head toothbrushes.Be particularly suitable as the building material of the 4th class bristle such as but not limited to the elastomeric material of rubber.The diameter of the 4th class bristle (7) from about 0.15 millimeter to about 1.0 millimeters, preferably from about 0.30 millimeter to about 0.50 millimeter, drift from about 9 millimeters to about 15 millimeters, preferably from about 10 millimeters to about 13 millimeters.In a preferred embodiment, many 4th class bristles (7) are arranged in around the periphery of head toothbrushes.The drift of the 4th class bristle (7) also can replace along the periphery of head toothbrushes, produces various shapes.Feasible shape includes but not limited to arc, zigzag or waveform.Identical with repeating pattern, the combination of these baric topographies also is feasible, for example along a series of small arcuate of periphery or have the sawtooth of arc center line.
The present invention also provides a kind of toothbrush that has multiple bristle diameter and bristle space (4) in head toothbrushes (2), so that provide different sensations for the different piece of mouth.Space (4) according to using between the ratio of the employed different bristles of each diameter and bristle can make the bristle density on the head toothbrushes (2) change in 50 to 1000 every square centimeter.Bristle density also can change along the zones of different of head toothbrushes (2), so that a zone has the bristle density different with another zone, for the consumer provides required sense of touch and visual cues.
Toothbrush also comprises at least one intensive brushing cluster (8).Bristle in bunch have from about 0.08 millimeter to about 0.40 millimeter diameter, and from about 7 millimeters to about 15 millimeters drift.Intensive brushing cluster (8) can be arranged on any position on the head toothbrushes (2).In one embodiment, toothbrush comprises: at least one has first kind bristle; The second class bristle; The 3rd class bristle; The 4th class bristle; Or the intensive brushing cluster of its combination.Dense cluster can be an Any shape.In plan view from above, dense cluster can be the pattern such as circle, square, ellipse, triangle, elongated rectangle, polygon, semilune, the shape of a hoof, rod, star, arc and combination thereof.Intensive brushing cluster (8) preferably is positioned at the free-ended tip of brush of toothbrush, to assist the tooth of cleaning back.
In a preferred embodiment, the invention provides a kind of toothbrush, wherein, head toothbrushes (2) comprising: the second class bristle (5) that spreads all over head toothbrushes (2), this bristle have from about 0.08 millimeter to about 0.35 millimeter, preferably from about 0.13 millimeter to about 0.35 millimeter diameter, and from about 7 millimeters to about 16 millimeters, preferably from about 9 millimeters to about 14 millimeters drift; The 3rd class bristle (6), this bristle have from about 0.15 millimeter to about 0.40 millimeter, preferably from about 0.20 millimeter to about 0.40 millimeter diameter, and from about 5 millimeters to about 14 millimeters, preferably from about 7 millimeters to about 12 millimeters drift; And along the 4th class bristle (7) of head toothbrushes (2) periphery, this bristle have from about 0.15 millimeter to about 1.0 millimeters, preferably from about 0.30 millimeter to about 0.50 millimeter diameter, and from about 9 millimeters to about 15 millimeters, preferably from about 10 millimeters to about 13 millimeters drift.Head toothbrushes comprises a periphery and a far-end.The far-end of head toothbrushes (2) is one to be used to clean the intensive brushing cluster (8) of the back of tooth and gum.Bristle in the dense cluster (8) have from about 0.08 millimeter to about 0.40 millimeter diameter, and from about 7 millimeters to about 15 millimeters drift.Use the different bristle patterns in this toothbrush, the consumer not only obtains the better cleaning of its whole oral cavity (dental surface, gum, inter-proximal areas etc.), and can experience the better cleaning sensation by the sensation hint of transmitting by Tooth-brush structure (vision and sense of touch).
Description of drawings
To narrate accompanying drawing below.Specification will illustrate many aspects of the present invention, limit the scope of the invention but can not be construed to.
Fig. 1 has shown a kind ofly have brush holder (1) and at the toothbrush of the head toothbrushes (2) of toothbrush handles far-end.The first kind bristle (3) that many length are identical with diameter is embedded in the head toothbrushes (2).First kind bristle (3) separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.
Figure 1A is the plan view from above of toothbrush shown in Figure 1.
Fig. 2 has shown a kind of the have second class bristle (5) that is embedded in the head toothbrushes (2) and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.The second class bristle (5) is arranged in hexagon around the 3rd class bristle (6).
Fig. 3 has shown a kind of the have second class bristle (5) that is embedded in the head toothbrushes (2), alternately embarks on journey and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.
Fig. 3 A is the plan view from above of toothbrush shown in Figure 3.
Fig. 4 has shown a kind of the have second class bristle (5) that is embedded in the head toothbrushes (2), alternately embarks on journey and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.Along the periphery of head toothbrushes (2) is the 4th class bristle (7) that is embedded in the head toothbrushes (2).
Fig. 4 A is the plan view from above of toothbrush shown in Figure 4.
Fig. 5 has shown a kind of the have second class bristle (5) that is embedded in the head toothbrushes (2) and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.The second class bristle (5) is arranged in hexagon on every side at the 3rd class bristle (6).End at the head toothbrushes (2) of brush holder (1) far-end is an intensive brushing cluster (8).
Fig. 5 A is the vertical view of toothbrush shown in Figure 5.
Fig. 6 has shown a kind of the have second class bristle (5) that is embedded in the head toothbrushes (2) and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.The second class bristle (5) is arranged in hexagon on every side at the 3rd class bristle (6).End at the head toothbrushes (2) of brush holder (1) far-end is an intensive brushing cluster (8).Along the periphery of head toothbrushes (2) is the 4th class bristle (7) that is embedded in the head toothbrushes (2).
Fig. 6 A is the vertical view of toothbrush shown in Figure 6.
Fig. 7 has shown a kind of the have second class bristle (5) that is embedded in the head toothbrushes (2), alternately embarks on journey and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.End at the head toothbrushes (2) of brush holder (1) far-end is an intensive brushing cluster (8).Along the periphery of head toothbrushes (2) is the 4th class bristle (7) that is embedded in the head toothbrushes (2).
Fig. 7 A is the vertical view of toothbrush shown in Figure 7.
Fig. 8 shown a kind of have be embedded in the head toothbrushes (2), the second class bristle (5) of random distribution and the toothbrush of the 3rd class bristle (6).Bristle separates a distance (4) each other, and this distance is from 0.5 times to 10 times of bristle diameter.End at the head toothbrushes (2) of brush holder (1) far-end is an intensive brushing cluster (8).Along the periphery of head toothbrushes (2) is the 4th class bristle (7) that is embedded in the head toothbrushes (2).
Fig. 8 A is the vertical view of toothbrush shown in Figure 8.
Fig. 9 has shown a kind of first kind bristle (3) and multiple stereogram that is embedded in the toothbrush of the intensive brushing cluster (8) in the head toothbrushes (2) with multiple independent embedding.
Fig. 9 A is the plan view from above of toothbrush shown in Figure 9.
Figure 10 and 11 is stereograms of the different embodiment of a kind of first kind bristle (3) with multiple independent embedding and the multiple toothbrush that is embedded in the intensive brushing cluster (8) in the head toothbrushes (2).
Figure 10 A and 11A are respectively the plan view from above of the toothbrush shown in Figure 10 and 11.
To set forth several example of the present invention below, so that character of the present invention and embodiment are shown further.Yet, not will be understood that the present invention is limited in its details.
The specific embodiment
Example 1
Make a kind of toothbrush according to design shown in Figure 8.The bristle of the toothbrush of Fig. 8 has following diameter: the second class bristle (5): 0.18 millimeter; The 3rd class bristle (6): 0.23 millimeter; The 4th class bristle (7): 0.2 millimeter; And intensive brushing cluster (8): 0.25 millimeter.The height of bristle is as described below: the second class bristle: 9-10 millimeter; The 3rd class bristle: 10.5 millimeters; The 4th class bristle: 10-11.25 millimeter; And intensive brushing cluster: 12.5 millimeters.Space between the outside adjacently situated surfaces of the second class bristle (5) is about 0.021 millimeter; Respective voids between the outer surface of the 3rd class bristle (6) is about 0.0197 millimeter; Space between the outside adjacently situated surfaces of the 4th class bristle (7) is about 0.018 millimeter; And the space that constitutes between the outer surface of independent bristle of intensive brushing cluster (8) is about 0.020 millimeter.
Make two kinds of toothbrushes according to design shown in Figure 11.First kind of toothbrush (example 11A) has the bristle of following diameter: first kind bristle (3): 0.20 millimeter; The intensive brushing cluster (8) that spreads all over head toothbrushes: 0.20 millimeter; And the intensive brushing cluster of far-end (8): 0.20 millimeter.The height of bristle is as described below: first kind bristle (3): 11 millimeters; The intensive brushing cluster that spreads all over head toothbrushes: 9 millimeters; And the intensive brushing cluster of far-end (8): 12.5 millimeters.Second kind of toothbrush (example 11B) has following bristle diameter: first kind bristle (3): 0.20 millimeter; The intensive brushing cluster (8) that spreads all over head toothbrushes: 0.18 millimeter; And the intensive brushing cluster of far-end (8): 0.20 millimeter.The height of bristle is as described below: first kind bristle (3): 11 millimeters; The intensive brushing cluster (8) that spreads all over head toothbrushes: 9 millimeters; And the intensive brushing cluster of far-end (8): 12.5 millimeters.In each example 11A, 11B, first kind bristle (3) is embedded in the head toothbrushes 2 individually.
According to " arriving dental surface between the neighbour " (people such as Nygaard-Ostby by design of different bristle and toothbrush rigidity, Scand.J.Dent Res.1979,87, program 424-430) is tested the cleaning efficacy of above-mentioned three kinds of toothbrushes between tooth, and this paper will quote above announcement as a reference.Table 1 has been reported test result.
Table 1
| Example | Between cog passage (millimeter) |
| Fig. 8 | ????12 |
| ????11A | ????11.8 |
| ????11B | ????12.6 |
| Oral cavity B cross action | ????10.8 |
| Oral cavity B indicator | ????7.7 |
Above digital proof toothbrush of the present invention be better than the toothbrush of selling on the market in the cleaning of between cog.
Example 2
Come the toothbrush and the oral cavity B of resolution chart 8 by clinical testing
*The effect of indicator toothbrush.The adult of 70 health is carried out unwitting, at random the intersection clinical research of examiner.Use the Rustogi of naval's plaque index to revise the bacterial plaque that (" RMNPI ") assesses the one minute front and back of brushing teeth.Distribute object to use a kind of in two kinds of test toothbrushes, i.e. oral cavity B randomly
*Indicator toothbrush or according to the toothbrush that manufactures and designs shown in Figure 8.After initial inquiry was brushed teeth, object returned after two weeks, used two kinds of another kinds in the test toothbrush to repeat this program.Use RMNPI when twice investigation, to finish the assessment of bacterial plaque.Provide whole RNMPI score of opening one's mouth: the back of position, marginal position, terminal molar, anterior locations, back location between the neighbour.Relatively two kinds of toothbrushes change from the bacterial plaque after brush teeth before brushing teeth.The result has been shown in the table 2.
Table 2
* the toothbrush of Fig. 8
| The bacterial plaque score | ||||||
| The present invention * | Oral cavity B indicator | |||||
| Tooth position | Before | After | ????Δ | Before | After | ????Δ |
| Whole opening one's mouth | ????0.64 | ????0.30 | ????52.8 | ????0.64 | ????0.36 | ????44.1 |
| The edge | ????1 | ????0.63 | ????37.1 | ????1 | ????0.71 | ????28.9 |
| Between the neighbour | ????1 | ????0.38 | ????61.9 | ????1 | ????0.47 | ????52.9 |
| Terminal molar | ????0.58 | ????0.23 | ????60 | ????0.57 | ????0.31 | ????45.8 |
| The front | ????0.65 | ????0.30 | ????54 | ????0.65 | ????0.34 | ????48 |
| The back | ????0.64 | ????0.31 | ????51.8 | ????0.64 | ????0.38 | ????40.7 |
The report score is group's average of participant.Term " Δ " is meant every group of percentage that the bacterial plaque after brush teeth reduces before brush teeth.Use statistical technique, can conclude that toothbrush of the present invention from the toothbrush of wholely opening one's mouth, the bacterial plaque of removing later of surface and terminal molar is obviously sold more than market between gingival edge, neighbour, exceeds 20%, 28%, 17% and 31% respectively.
Toothbrush of the present invention provides effective cleaning of teeth, and it is easy to clean, and can be at relatively short time inner drying.
Claims (25)
1. toothbrush, it comprises:
One brush holder;
One head toothbrushes at described brush holder far-end; And
Many first kind bristles, every described bristle have from about 0.25 millimeter to about 0.60 millimeter diameter, and be embedded in individually in the described head toothbrushes; Described bristle separates a distance each other, and this distance is from about 0.5 times to about 10 times of described bristle diameter.
2. toothbrush as claimed in claim 1 is characterized in that, it also comprises at least one intensive brushing cluster.
3. toothbrush as claimed in claim 1 is characterized in that:
Described first kind bristle comprise at least one diameter from about 0.35 millimeter to about 0.60 millimeter bristle and at least one diameter from about 0.25 millimeter to about 0.35 millimeter bristle.
4. toothbrush as claimed in claim 3 is characterized in that described head toothbrushes also comprises several portions, wherein:
With described bristle arrangements become to make at least a portion of described head toothbrushes comprise diameter from about 0.35 millimeter to about 0.60 millimeter bristle, make simultaneously at least a portion of described head toothbrushes comprise diameter from about 0.25 millimeter to about 0.35 millimeter first kind bristle.
5. toothbrush, it comprises:
One brush holder;
One head toothbrushes at described brush holder far-end;
At least one second class bristle that embeds separately, described bristle have from about 0.08 millimeter to about 0.35 millimeter diameter, and from about 7 millimeters to about 16 millimeters drift; And
At least one the 3rd class bristle, described bristle have from about 0.15 millimeter to about 0.40 millimeter diameter, and from about 5 millimeters to about 14 millimeters drift; Wherein, the adjustment difference between described second class bristle and described the 3rd class bristle is from about 0.5 millimeter to about 3 millimeters.
6. toothbrush as claimed in claim 5 is characterized in that it also comprises at least one part, wherein:
The drift of the described bristle at least one part of described toothbrush is variable, for example forms a zigzag cutting profile.
7. toothbrush as claimed in claim 5 is characterized in that it also comprises at least one part, wherein:
The drift of the described bristle at least one part of described toothbrush is variable, for example forms a waveform cutting profile.
8. toothbrush as claimed in claim 5 is characterized in that it also comprises at least one part, wherein:
The drift of the described bristle at least one part of described toothbrush is variable, for example forms an arc cutting profile.
9. toothbrush as claimed in claim 5 is characterized in that it also comprises first and second portion, wherein:
Described first comprises the second class bristle, and described second portion comprises the 3rd class bristle, and each described first and second part comprises 1 to 7 row brush hair.
10. toothbrush as claimed in claim 9 is characterized in that:
Described first alternately separates with described second portion.
11. toothbrush as claimed in claim 5 is characterized in that:
Become to produce wave pattern alternately with described second with the 3rd class bristle arrangements.
12. toothbrush as claimed in claim 5 is characterized in that:
The circumference pattern of the second class bristle will be produced along a row ground around the described second and the 3rd class bristle arrangements Cheng Zaidi three class bristles.
13. toothbrush as claimed in claim 5 is characterized in that:
The described second and the 3rd class toothbrush is arranged in the hexagon pattern that around the 3rd class bristle, produces the second class bristle.
14. toothbrush as claimed in claim 5 is characterized in that:
The 4th class bristle around at least one periphery that is arranged in described head toothbrushes, described bristle have from about 0.15 millimeter to about 1.0 millimeters diameter, and from about 9 millimeters to about 15 millimeters drift.
15. toothbrush as claimed in claim 14 is characterized in that:
Described toothbrush comprises many 4th class bristles of arranging along the periphery of described head toothbrushes; And
The height of described the 4th class bristle alternately changes along the periphery of described head toothbrushes, to form an arc pattern.
16. toothbrush as claimed in claim 14 is characterized in that:
Described toothbrush comprises many 4th class bristles of arranging along the periphery of described head toothbrushes; And
The height of described the 4th class bristle alternately changes along the periphery of described head toothbrushes, to form a saw-tooth pattern.
17. toothbrush as claimed in claim 14 is characterized in that:
Described toothbrush comprises many 4th class bristles of arranging along the periphery of described head toothbrushes; And
The height of described the 4th class bristle alternately changes along the periphery of described head toothbrushes, to form a waveform pattern.
18. toothbrush as claimed in claim 5 is characterized in that:
Described toothbrush comprises multiple bristle diameter in described head toothbrushes.
19. toothbrush as claimed in claim 5 is characterized in that:
Described toothbrush comprises multiple bristle spacing in described head toothbrushes.
20. toothbrush as claimed in claim 5 is characterized in that, it also comprises:
At least one intensive brushing cluster.
21. a toothbrush, it comprises:
One brush holder;
One head toothbrushes at described brush holder far-end, described head toothbrushes comprises a periphery and a far-end; And
Bristle, described bristle is embedded in the described head toothbrushes individually, and separates a distance each other, and described distance is from about 0.5 times to about 10 times of described bristle diameter;
Wherein, described bristle comprises: diameter from about 0.08 millimeter to about 0.35 millimeter, drift from about 7 millimeters to the second about 16 millimeters class bristle; Diameter from about 0.15 millimeter to about 0.40 millimeter, drift from the 3rd about 5 millimeters to 14 millimeters class bristle; The diameter of arranging along the periphery of described head toothbrushes from about 0.15 to about 1.0 millimeters, drift from about 9 millimeters to the 4th about 15 millimeters class bristle; And at the intensive brushing cluster of far-end.
22. a toothbrush, it comprises:
One brush holder;
One head toothbrushes at described brush holder far-end;
Many first kind bristles, each described bristle have from about 0.25 millimeter to about 0.60 millimeter diameter, and be embedded in individually in the described head toothbrushes; Described bristle separates a distance each other, and described distance is from about 0.5 times to about 10 times of described bristle diameter; And
At least one intensive brushing cluster.
23. toothbrush as claimed in claim 22 is characterized in that:
Described first kind bristle comprises at least one diameter from about 0.35 millimeter to 0.60 millimeter bristle, and at least one diameter from about 0.25 millimeter to about 0.35 millimeter bristle.
24. toothbrush as claimed in claim 22, it is characterized in that intensive brushing cluster has the shape of selecting from following group: circle, square, ellipse, triangle, elongated rectangle, polygon, semilune, the shape of a hoof, rod, star, arc and combination thereof.
25. toothbrush as claimed in claim 24 is characterized in that, also comprises the intensive brushing cluster of a far-end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/863,773 | 2001-05-23 | ||
| US09/863,773 US20020004964A1 (en) | 1999-12-15 | 2001-05-23 | Toothbrush with individually embedded bristles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1386456A true CN1386456A (en) | 2002-12-25 |
| CN100512713C CN100512713C (en) | 2009-07-15 |
Family
ID=25341750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021204551A Expired - Fee Related CN100512713C (en) | 2001-05-23 | 2002-05-23 | Toothbrush with single embedded bristles |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20020004964A1 (en) |
| JP (1) | JP2003009948A (en) |
| CN (1) | CN100512713C (en) |
| AU (1) | AU4068202A (en) |
| BR (1) | BR0201916A (en) |
| CA (1) | CA2386572A1 (en) |
| CO (1) | CO5360638A1 (en) |
| GB (1) | GB2375705B (en) |
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-
2002
- 2002-05-15 CA CA002386572A patent/CA2386572A1/en not_active Abandoned
- 2002-05-16 AU AU40682/02A patent/AU4068202A/en not_active Abandoned
- 2002-05-17 CO CO02042325A patent/CO5360638A1/en not_active Application Discontinuation
- 2002-05-22 JP JP2002148195A patent/JP2003009948A/en active Pending
- 2002-05-22 BR BR0201916-7A patent/BR0201916A/en not_active IP Right Cessation
- 2002-05-23 GB GB0211826A patent/GB2375705B/en not_active Expired - Fee Related
- 2002-05-23 CN CNB021204551A patent/CN100512713C/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617890B (en) * | 2003-09-19 | 2014-03-26 | 吉莱特公司 | Toothbrush heads |
| CN101472503B (en) * | 2006-06-21 | 2012-02-22 | 高露洁-棕榄公司 | Toothbrush with brushing and elastomer element |
| USD655916S1 (en) | 2008-08-29 | 2012-03-20 | Colgate-Palmolive Company | Toothbrush |
| USD642802S1 (en) | 2008-08-29 | 2011-08-09 | Colgate-Palmolive Company | Toothbrush |
| USD642803S1 (en) | 2008-08-29 | 2011-08-09 | Colgate-Palmolive Company | Toothbrush |
| US9549607B2 (en) | 2008-08-29 | 2017-01-24 | Colgate-Palmolive Company | Oral care implement |
| USD632084S1 (en) | 2008-08-29 | 2011-02-08 | Colgate-Palmolive Company | Toothbrush |
| US8776302B2 (en) | 2008-08-29 | 2014-07-15 | Colgate-Palmolive Company | Oral care implement |
| USD642804S1 (en) | 2009-12-15 | 2011-08-09 | Colgate-Palmolive Company | Toothbrush |
| USD655918S1 (en) | 2009-12-15 | 2012-03-20 | Colgate-Palmolive Company | Toothbrush |
| USD655917S1 (en) | 2009-12-15 | 2012-03-20 | Colgate-Palmolive Company | Toothbrush |
| USD671325S1 (en) | 2009-12-15 | 2012-11-27 | Colgate-Palmolive Company | Toothbrush |
| USD631257S1 (en) | 2009-12-15 | 2011-01-25 | Colgate-Palmolive Company | Toothbrush |
| CN104582531A (en) * | 2012-08-21 | 2015-04-29 | 博朗有限公司 | Brush implement for a skin treatment device |
| CN105101838A (en) * | 2013-04-01 | 2015-11-25 | 狮王株式会社 | Toothbrush |
| CN105050451A (en) * | 2013-04-01 | 2015-11-11 | 狮王株式会社 | Toothbrush |
| CN105050451B (en) * | 2013-04-01 | 2017-05-24 | 狮王株式会社 | Toothbrush |
| CN106255440A (en) * | 2014-04-29 | 2016-12-21 | Elc 管理有限责任公司 | Powered skin care device |
| CN106255440B (en) * | 2014-04-29 | 2019-08-16 | Elc 管理有限责任公司 | Powered skin care device |
| CN106998899A (en) * | 2014-11-19 | 2017-08-01 | 吉列有限公司 | Head for oral care implement |
| CN106998898A (en) * | 2014-11-19 | 2017-08-01 | 吉列有限公司 | Head for oral care implement |
| CN106998899B (en) * | 2014-11-19 | 2019-12-17 | 吉列有限责任公司 | Head for an oral care implement |
| CN109152467A (en) * | 2016-04-20 | 2019-01-04 | 特里萨控股股份公司 | brush product and manufacturing method |
| CN110461188A (en) * | 2017-03-31 | 2019-11-15 | 吉列有限责任公司 | For the head of oral care implement, oral care implement and method for manufacturing such head |
| CN110545693A (en) * | 2017-04-26 | 2019-12-06 | 逸铎产品股份有限公司 | tableware cleaning brush |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0201916A (en) | 2003-04-22 |
| CN100512713C (en) | 2009-07-15 |
| CA2386572A1 (en) | 2002-11-23 |
| GB0211826D0 (en) | 2002-07-03 |
| GB2375705B (en) | 2005-01-12 |
| CO5360638A1 (en) | 2004-01-30 |
| US20020004964A1 (en) | 2002-01-17 |
| GB2375705A (en) | 2002-11-27 |
| JP2003009948A (en) | 2003-01-14 |
| AU4068202A (en) | 2002-11-28 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20100523 |