CN105491912A - Tooth brush - Google Patents
Tooth brush Download PDFInfo
- Publication number
- CN105491912A CN105491912A CN201480048058.1A CN201480048058A CN105491912A CN 105491912 A CN105491912 A CN 105491912A CN 201480048058 A CN201480048058 A CN 201480048058A CN 105491912 A CN105491912 A CN 105491912A
- Authority
- CN
- China
- Prior art keywords
- flow region
- contraction flow
- cross
- toothbrush
- shank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
-
- 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
- Brushes (AREA)
Abstract
Provided is a tooth brush comprising a handle, a neck that extends out from the handle, and a head disposed at the end of the neck. A plurality of bristle bundles are implanted into a bristle implanting surface of the head. The tooth brush is characterized in that in at least two places on the handle, formed are narrowed portions configured so that the diameter of the narrowed portion cross-section orthogonal to the extension direction of the handle is gradually reduced and then expanded from the back end going towards the neck.
Description
Technical field
The present invention relates to toothbrush.The application at the Patent 2013-190862 CLAIM OF PRIORITY of Japanese publication, quotes its content at this based on September 13rd, 2013.
Background technology
Generally, as the hold of toothbrush, known pen gripping type and holding.
Pen gripping type, as shown in Figure 3, is similar to the hold of pen when recording the note etc.Pen gripping type is adapted at accurate operation brush portion in oral cavity.
As the toothbrush of applicable pen gripping type, such toothbrush was proposed: in the close position with the junction surface of head, namely the planting hair side side, rear side and two sides this be provided with the depression of overlooking ovalize, long hole shape or round rectangle everywhere of the outer peripheral face in handshake part, be formed with the cross sectional shape of the handshake part of the part of this depression for approximate fillet quadrangle (such as, patent document 1).
Holding as shown in Figure 4, is encase shank with palm and finger, simultaneously by thumb by holding method on shank.Holding, easily holds shank brute force, easily applies stronger wiping and sweep power during oral cavity cleaning.Such as, most of infant catches shank in the mode being similar to holding, operate toothbrush.
As the toothbrush of applicable holding, such toothbrush was proposed: close to the position, handshake part of the bonding part of head plant in hair side side and rear side, cave in each place that is provided with opposite to each other, simultaneously, on the both sides face of handshake part, also be respectively provided with place's depression opposite to each other, the direction of rear end, handshake part, relative to the center of aforementioned depression, is more partial in Shi Qi center.These concave shape are any one (such as, patent document 2) of overlooking in oval in shape, long hole shape or round rectangle shape.
Such as, for the jejune infant of intraoral clean technologies, cleanly in its oral cavity mostly be to be captured by infant oneself, hold and after operating child toothbrush, adult (such as the head of a family) operates this child toothbrush with pen gripping type holding again, carries out the rounding-off work of brushing teeth.
Due to the varying in size of hand of adult and infant, and hold is different, and therefore child toothbrush is for both one of them, is unworkable.
For this problem, the toothbrush of the cross sectional shape forming handle part entirety was as follows proposed: make the cross sectional shape near handle part central authorities for approximate octagon, with the width of planting the level face of the parallel upper and lower surface of hair side of head in this octagonal cross-section, from the either side of handle part front end or handle part rear end towards opposite side, continuously and slowly expand (such as, patent document 3).
[background technology document]
[patent document]
[patent document 1] Japanese Patent Laid-Open 2000-125937 publication
[patent document 2] Japanese Patent Laid-Open 2000-189250 publication
[patent document 3] Japanese Patent Laid-Open 2000-262329 publication
Summary of the invention
[inventing the problem that will solve]
But people are still finding for adult and infant's both more maneuverable toothbrush for childrens.That is, people are seeking no matter to be for the jejune user of clean technologies in self oral cavity, or other are completed to the user of rounding-off work of brushing teeth, maneuverable toothbrush.
Therefore, the object of the invention is to, no matter provide is for the jejune user of clean technologies in self oral cavity, or other are completed to the user of rounding-off work of brushing teeth, all maneuverable toothbrush.
[solving the means of problem]
Toothbrush of the present invention, the head that there is shank, the neck that described shank extends and arrange in the front end of described neck, the implantation on hair side of planting of described shank has many pieces, it is characterized in that, on described shank, be formed with the contraction flow region of more than 2, described contraction flow region refers to, the cross section vertical with the bearing of trend of described shank is from rear end towards the described neck part that first undergauge is then expanding gradually.
The front end of neck refers to, in neck, the part of contrary with the side that there is shank side.
Described contraction flow region is preferably coated by soft resin.In addition, between arbitrary described contraction flow region and the contraction flow region being adjacent to this contraction flow region, not coated by described soft resin region is preferably formed with.
[effect of invention]
No matter toothbrush of the present invention is for the jejune user of clean technologies in self oral cavity, or other are completed to the user of rounding-off work of brushing teeth, and is all easy to operation.
Accompanying drawing explanation
When the toothbrush relating to the first embodiment of the present invention leaves standstill to plant hair side by [Fig. 1] upward, from the plane that vertical direction is observed.
When the toothbrush relating to the first embodiment of the present invention leaves standstill to plant hair side by [Fig. 2] upward, from the side view that horizontal direction is observed.
The schematic diagram of [Fig. 3] pen gripping type toothbrush hold.
The schematic diagram of [Fig. 4] holding toothbrush hold.
[explanation of symbol]
1 toothbrush
2 heads
4 necks
6 shanks
8 rear ends
20 plant hair side
22 pieces
62 first contraction flow regions
64 wide diameter portions
66 second contraction flow regions
70 covering portion
72 exposed divisions
Detailed description of the invention
Toothbrush of the present invention, is formed with contraction flow region more than 2 places of shank.
About the toothbrush that an embodiment of the invention relate to, with reference to the explanation of following Fig. 1 ~ 2.
The toothbrush 1 of Fig. 1 ~ 2, has by the shank 6 of long ruler-like, the neck 4 that shank 6 extends and the integrated handle body of head 2 in the setting of the front end of neck 4, and the many pieces 22 of planting implantation on hair side 20 of head 2.
Head 2 is overlooked and is rectangle, and it is longer at the bearing of trend of handle body.Rectangle in this description refers to, the concept of shape comprising rectangle and formed by curve or straight line chamfering on rectangular four angles.Plant on hair side 20, do up many bristles and 16 pieces 22 formed are implanted to plover shape.In this description, the direction overlooked refers to, will plant hair side 20 upward leave standstill toothbrush time, from the direction that vertical direction is observed.
Shank 6, from rear end 8 towards neck 4, quadrate part 60, first contraction flow region 62, wide diameter portion 64, second contraction flow region 66 and front part 68 after being formed successively.
The border of the first contraction flow region 62 and rear quadrate part 60 refers to, such as, when maximum gauge is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in portion 60 in the wings, closest to the position of the first contraction flow region.The border of the first contraction flow region 62 and wide diameter portion 64 refers to, such as, position during minimum diameter is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in the first contraction flow region 62, the centre position of position when getting maximum gauge with cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in wide diameter portion 64.
The border of the second contraction flow region 66 and wide diameter portion 64 refers to, such as, position during minimum diameter is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in the second contraction flow region 66, the centre position of position when getting maximum gauge with cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in wide diameter portion 64.
The border of the second contraction flow region 66 and front part 68 refers to, such as, position during maximum gauge is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in front part 68.
Rear quadrate part 60 is, what the cross section (cross section) vertical with the bearing of trend of shank 6 was sub-circular is cylindric, and its rear end 8 is by rounding.Sub-circular refers to, is not limited to positive circle, ellipse, comprises the shape that the curve that only expanded to the periphery by the profile of cross section is formed, and a circular part is formed with the concept of the shape of straight line.In present embodiment, the surface (planting the face of hair side 20 side) of rear quadrate part 60 and the back side (planting the face of the opposition side of hair side 20) are formed with planar portions 60a.That is, on the cross section of rear quadrate part 60, and the surface of handle body is corresponded to and the part at the back side is straight line.By forming planar portions 60a, can prevent toothbrush 1 from rotating, and the mark of character etc. can be pasted non-warpingly.
On the side of rear quadrate part 60, be formed with the jut 61 that side-looking is rectangle.This jut 61 has anti-skidding effect.The side of rear quadrate part 60 refers to, will plant hair side 20 upward leave standstill toothbrush time, from horizontal direction observe toothbrush time appreciable, except rear end 8.
First contraction flow region 62, vertical with the bearing of trend of shank 6 cross section (also can be described as cross section), enlarged diameter after reducing diameter from the front end of rear quadrate part 60 gradually towards neck 4.The cross section of the first contraction flow region 62 is the circle such as positive circular, oval, overlooks with in side-looking, such as, is caving in arc-shaped.On the side of the first contraction flow region 62, be formed with the jut 63 that side-looking is rectangle.This jut 63 has anti-skidding effect.In addition, the cross section of the first contraction flow region 62 is preferably positive circular.
Wide diameter portion 64 is from the part after the first contraction flow region 62 enlarged diameter, is the approximate columned part between the first contraction flow region 62 and the second contraction flow region 66.In present embodiment, on the back side (planting the face of hair side 20 opposition side) of wide diameter portion 64, be formed with planar portions 64a.By forming planar portions 64a, can prevent toothbrush 1 from rotating.
Second contraction flow region 66, vertical with the bearing of trend of shank 6 cross section (also can be described as cross section), enlarged diameter after reducing diameter from wide diameter portion 64 gradually towards neck 4.The cross section of the second contraction flow region 66 is circular, overlooks with in side-looking, such as, is caving in arc-shaped.On the side of the second contraction flow region 66, be formed with the jut 67 that side-looking is rectangle.
This jut 67 has anti-skidding effect.In present embodiment, the cross section of the second contraction flow region 66 and the cross section of the first contraction flow region 62 are preferably similar or identical shape.
Front part 68, from the front end of the second contraction flow region 66 towards neck 4, extends with same diameter and then reduces diameter gradually, arrive neck 4.In present embodiment, the cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 of front part 68 is preferably similar or identical shape with the cross section of the first contraction flow region 62.
Neck 4, from the front end of front part 68 headward 2, on the cross section (also can be described as cross section) vertical with the bearing of trend of neck 4, such as, extends with substantially identical diameter and arrives head 2.In present embodiment, the cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 of neck 4, is preferably similar or identical shape with the cross section of front part 68.
In present embodiment, handle body has the matrix that is made up of hard resin and by covering portion 70 coated for this matrix soft resin.From the first contraction flow region 62 to the second contraction flow region 66, form covering portion 70.That is, the first contraction flow region 62 and the second contraction flow region 66 coated by soft resin.In present embodiment, covering portion 70 on the first contraction flow region 62 and the second contraction flow region 66 around formation.
Wide diameter portion 64 exposes matrix, forms the exposed division 72 overlooking ovalize.This exposed division 72, gets on the region of the position of maximum gauge comprising cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in wide diameter portion 64, is formed at the positive and negative of handle body.
As base material, can enumerate the modulus of elasticity in static bending (JISK7203) is the hard resin of 500 ~ 3000MPa.
As hard resin, polycyclohexylene's diformazan alcohol ester (PCT), PET (PET), polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), Merlon (PC), acrylonitritrile-styrene resin resin (AS), polyarylate, polypropylene (PP), polyformaldehyde (POM), polybutylene terephthalate (PBT) (PBT) etc. can be enumerated.These hard resins can a kind be used alone, also can two or more combinationally use.
The material of covering portion 70 is soft resin.Soft resin, preferably can armrest refer to pressing force distortion, such as, preferred shore hardness A is the resin of less than 90, and more preferably shore hardness A is the resin of 50 ~ 80.As soft resin, elastomer (such as, olefin-based elastomer, styrene series elastomer, polyester-based elastomer, polyurethane series thermoplastic elastomer (TPE) etc.), polysiloxanes can be enumerated.Shore hardness refers to, the experiment loading changed the corresponding cup depth of test portion load with pressure head, the value obtained by the cup depth h produced, the method recorded according to JISK7215 measures.
In addition, soft resin as required can containing adhesion modifier or plasticiser.
The large I of head 2 suitably determines according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, the size such as preferable width 8 ~ 11mm of head 2, length 13 ~ 22mm.The distance being positioned at the rear end of the pieces of rearmost end side from the front end of head 2 to pieces 22 such as preferred 12 ~ 20mm.
The thickness of head 2 suitably can determine according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, the thickness of head 2 such as preferred 2.6 ~ 5mm.
The width of head 2 refers to, head 2 is with the maximum length in the horizontal direction of planting when hair side leaves standstill toothbrush upward and on the direction vertical with the bearing of trend of shank 6.From the front end of head 2, being positioned at the distance of the rear end of the pieces of rearmost end side in pieces 22, is head 2 with the maximum length in the horizontal direction of planting when hair side leaves standstill toothbrush upward and on the direction parallel with the bearing of trend of shank 6.
The length of toothbrush 1, the i.e. length of handle body, suitably can determine according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, the length of handle body such as preferably 140 ~ 170mm, more preferably 140 ~ 160mm, most preferably 140 ~ 150mm.The length of toothbrush 1 refers to, the ultimate range of the rear end 8 from the front end of head 2 to shank 6.
Pieces 22 can be cylindric, also can be prism-shaped.
From planting the length of hair side 20 to the front end of pieces 22 (bristle lengths), the decisions such as the bristle rigidity that pieces 22 is sought can be considered, such as, preferably 6 ~ 13mm.
Plant the thickness (pieces diameter) of the pieces 22 on hair side 20, the decisions such as the bristle rigidity that pieces 22 is sought can be considered, such as, preferably 1 ~ 2mm.When pieces 22 is prism-shaped, pieces diameter is, the cross section of pieces 22, the external diameter of a circle in namely parallel with the bearing of trend of shank 6 cross section.
As forming the bristle of pieces 22, can illustrate as, reduce its diameter gradually towards hair end, the bristle (taper hair) of hair end sharpening, from planting hair side 20 towards the substantially identical bristle (straight shape hair) etc. of the diameter of hair end.As straight shape hair, can enumerate the face that hair end forms is that be roughly parallel to the plane of planting hair side 20 and that hair end is formed face is such as turned to hemispheric by circle.
Refer to from planting the length of hair side 20 to the front end of pieces 22 (bristle lengths), from the implanted face of the pieces 22 of planting hair side 20 to the ultimate range of the front end of pieces.
The material of bristle can illustrate as, the polyester such as the polyamide such as 6-12 nylon (6-12NY), 6-10 nylon (6-10NY), PET, PBT, PTT (PTT), PEN (PEN), poly-naphthalenedicarboxylic acid fourth diester (PBN), the polyolefin such as PP, olefin-based elastomer, the elastomer resins etc. such as styrene series elastomer.These resin materials can one kind or two or morely separately combinationally use.
In addition, as bristle, can enumerate the polyester bristle with multiple cored structure, described multiple cored structure has core and is arranged at the sheath portion of more than at least 1 layer in outside of this core.
The cross section of bristle, the shape in namely parallel with the bearing of trend of shank 6 cross section is not particularly limited, and can be the circles such as positive circle, ellipse, polygon, star, cloverleaf pattern, bunge bedstraw herb shape etc.The shape of cross section of all bristles can be identical, also can be different.
The thickness of bristle can consider the decisions such as material, when cross section is circular, such as, and preferably 6 ~ 9mil (1mil=1/1000 inch=0.025mm).In addition, consider use sense, brush and sweep sense, cleaning effect, durability etc., many different for thickness bristles any combination can be used.
In present embodiment, the maximum gauge of each cross section in rear quadrate part 60, wide diameter portion 64 and front part 68 is preferably identical.Identically to refer to, within different diameters ± 1%.
The maximum gauge R1 of the cross section of rear quadrate part 60 suitably can determine according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, maximum gauge R1 preferably 10 ~ 14mm, more preferably 11 ~ 12mm.If more than above-mentioned lower limit, infant easily holds shank 6, if below above-mentioned higher limit, adult is easy to the operate toothbrush 1 with pen gripping type holding shank 6.
In addition, the cross section of handle body is in the situation outside positive circle, and the maximum gauge of the minimum diameter of cross section of the maximum gauge of the minimum diameter of the cross section of neck 4, the cross section of front part 68, the first contraction flow region 62 and the second contraction flow region 66, the maximum gauge of the cross section of wide diameter portion 64, the cross section of rear quadrate part 60 is the external diameter of a circle of cross section.
The minimum diameter R2 of the cross section on the first contraction flow region 62, suitably can determine according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, minimum diameter R2 preferably 8 ~ 12mm, more preferably 9 ~ 10mm.If in above-mentioned scope, adult is easy to hold shank 6, operate toothbrush 1 with pen gripping type.
The preferable range of the minimum diameter of the cross section on the second contraction flow region 66 is identical with the minimum diameter of the cross section of the first contraction flow region 62.In present embodiment, the minimum diameter R2 of the first contraction flow region 62 and the minimum diameter of the second contraction flow region 66 can be the same or different, from more maneuverable viewpoint, preferably identical.
The shrinkage degree of the first contraction flow region 62, the degree of depth D1 of the contraction namely represented by (R1-R2)/2, suitably can determine according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, degree of depth D1 is 1 ~ 2mm preferably.If in above-mentioned scope, time adult holds with pen gripping type, finger indefatigability.
The constriction of the first contraction flow region 62 is the shapes formed with the radius of curvature of R25 ~ 55mm, or the two or more among the radius of curvature of combination R25 ~ 55mm and the shape that forms.As a side of the present invention, the constriction of the first contraction flow region 62 is the shapes radius of curvature of R51mm and R53mm being combined continuously and form.
In addition, position during minimum diameter is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 from the first contraction flow region 62, the beeline preferably 5 ~ 25mm of position when maximum gauge is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in wide diameter portion 64, more preferably 10 ~ 20mm.Position during minimum diameter is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 from the first contraction flow region 62, the beeline preferably 5 ~ 25mm of position when maximum gauge is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in front part 68, more preferably 10 ~ 20mm.
The shrinkage degree of the second contraction flow region 66 can be identical with the shrinkage degree of the first contraction flow region 62, also can be different, but preferably identical with the shrinkage degree of the first contraction flow region 62.
That is, the constriction of the second contraction flow region 66 is the shapes formed with the radius of curvature of R25 ~ 55mm, or the two or more among the radius of curvature of combination R25 ~ 55mm and the shape that forms.As a side of the present invention, the constriction of the second contraction flow region 66 is the shapes radius of curvature of R25mm and R48mm being combined continuously and form.
In addition, position during minimum diameter is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 from the second contraction flow region 66, the beeline preferably 5 ~ 25mm of position when maximum gauge is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in wide diameter portion 64, more preferably 10 ~ 20mm.Position during minimum diameter is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 from the second contraction flow region 66, the beeline preferably 5 ~ 25mm of position when maximum gauge is got in cross section (also can be described as cross section) vertical with the bearing of trend of shank 6 in rear quadrate part 60, more preferably 10 ~ 20mm.
The shrinkage degree of the first contraction flow region 62 and the shrinkage degree of the second contraction flow region 66 can be the same or different, from more maneuverable viewpoint, preferably identical.
The distance L1 of the position of the minimum diameter of the cross section in the position of the minimum diameter of the cross section in the first contraction flow region 62 and the second contraction flow region 66, suitably can determine according to the object in toothbrush 1 oral cavity cleaning.As 1 side of the present invention, if toothbrush 1 children's used time, distance L1 is 10 ~ 20mm.In addition, if toothbrush 1 children's used time, as another side of the present invention, distance L1 is 10 ~ 30mm, and as another side of the present invention, distance L1 is 20 ~ 30mm.If in above-mentioned scope, infant easily holds wide diameter portion 64 by capturing.
Distance L2 from the front end of head 2 to the center of wide diameter portion 64, suitably can determine according to the object in toothbrush 1 oral cavity cleaning.If toothbrush 1 children's used time, distance L2 is 80 ~ 120mm preferably, more preferably 80 ~ 100mm, most preferably 80 ~ 90mm.If in above-mentioned scope, infant easily holds wide diameter portion 64, operate toothbrush 1 by capturing.Distance L2 from the front end of head 2 to the center of wide diameter portion 64 refers to, the face that cross-sectional diameter is maximum from wide diameter portion 64 is to the distance of the front end of head 2.
The minimum diameter R3 of the cross section in neck 4 is not particularly limited, such as, and preferably 3 ~ 5mm.
Toothbrush 1 obtains by known manufacture method.Below an example of the manufacture method of toothbrush 1 is described.
The manufacture method of this example has, in the first mould, injection forms the resin of matrix, obtain the first molding procedure of matrix, configure above-mentioned matrix in a second mold, be injected to the second molding procedure in the second mould by forming the resin of covering portion 70 in this case, and plant at head 2 implantation operation hair side 20 being implanted pieces 22.
In above-mentioned first molding procedure, applicable known injection molding method, obtains the matrix of the recess being formed with corresponding covering portion 70.
In second molding procedure, matrix is configured in the second mould, then, the resin forming covering portion 70 is injected in the second mould, forms covering portion 70, obtain handle body.Now, by adopting the structure forming exposed division 72, matrix well can be fixed in the second mould.
Then, by implanting pieces 22 planting on hair side 20 of the handle body obtained, toothbrush 1 is obtained.As the method implanting pieces 22, can illustrate as, by being two by pieces one folding, the lenticular wire sandwiched between it is squeezed into and plants pore thus the flat wire type implantation of implanting pieces, the lower end of pieces is pressed into hot melt attachment method in the molten resin of planting mao portion thus fixing, and the lower end of pieces is heated, formed after molten mass, in mould, inject molten resin thus form the Mo Neifa etc. in mao portion of planting.
Then, about the using method of toothbrush 1, illustrate with the intraoral situation of clean infant.
First, infant, by capturing, holds the optional position of shank 6, in oneself oral cavity clean.Now, by centered by wide diameter portion 64, hold shank 6, shank 6 brute force can hold on by infant, operate toothbrush 1.In addition, on wide diameter portion 64, owing to being formed with the exposed division 72 exposing hard resin, the holding shank 6 that infant can be more powerful.
Next, when adult completes and brushes teeth in oral cavity of baby, the first contraction flow region 62 or the second contraction flow region 66 place finger, hold shank 6 with pen gripping type.First contraction flow region 62 and the second contraction flow region 66, owing to reducing diameter, is easy to hold shank 6 with pen gripping type.In addition, owing to shank 6 being formed with the first contraction flow region 62 and the second contraction flow region 66, according to the cleaning such as front tooth, molar position, the holding position be suitable for can be selected.Further, due to the first contraction flow region 62 and the second contraction flow region 66 being formed with covering portion 70, hold the finger indefatigability of shank 6, and finger not easily skids.
As mentioned above, the toothbrush 1 of present embodiment, owing to shank 6 being formed with the first contraction flow region 62 and the second contraction flow region 66, wide diameter portion 64 is provided with between first contraction flow region 62 and the second contraction flow region 66, no matter for the jejune user of intraoral clean technologies of self, still help other people to complete the user brushed teeth, all easily operate.
The toothbrush 1 of present embodiment, is suitable as the toothbrush of children's use, particularly infant.
The invention is not restricted to above-mentioned embodiment.
In above-mentioned embodiment, 2 places of shank are formed with contraction flow region, but the present invention also can form the contraction flow region at more than 2 places.If but contraction flow region is too much, what have the length of toothbrush to become is long, be difficult to operation, the distance between contraction flow region is too short, is difficult to the possibility held by crawl.Therefore, contraction flow region preferably 2 ~ 3 places.
In above-mentioned embodiment, the maximum gauge of the cross section of front part, wide diameter portion and rear quadrate part is mutually equal, but the present invention is not limited thereto, and the maximum gauge of front part, wide diameter portion and rear quadrate part can be different mutually.But from passing through to capture or holding, the viewpoint of more powerful holding shank is set out, preferably at least the maximum gauge of the cross section of wide diameter portion is the maximum gauge of the cross section of shank, and more preferably the maximum gauge of the cross section of front part, wide diameter portion and rear quadrate part is mutually equal.
In above-mentioned embodiment, the cross section of shank is sub-circular, but the present invention is not limited thereto, and the cross section of shank can be approximate polygon.Approximate polygon refers to, comprises the chamfering each top being formed with curve, or the limit of a part is formed the concept of circular arc.
In above-mentioned embodiment, the cross section of neck, front part, wide diameter portion, contraction flow region and rear quadrate part is all sub-circular, but the present invention is not limited thereto.Such as, the cross section of any one of neck, front part, wide diameter portion, contraction flow region and rear quadrate part can be approximate polygon.
In above-mentioned embodiment, the positive and negative of rear quadrate part is formed with planar portions, but the present invention is not limited thereto, any one of the only positive and negative in portion in the wings can form planar portions, also can not form planar portions.
In above-mentioned embodiment, the back side of wide diameter portion is formed with planar portions, but the present invention is not limited thereto, only can form planar portions on the surface of wide diameter portion, also on the positive and negative of wide diameter portion, all can form planar portions, planar portions can also do not formed on wide diameter portion.
In above-mentioned embodiment, contraction flow region is coated by soft resin, is formed with covering portion, but the present invention is not limited thereto, and can not form covering portion, also can form covering portion beyond contraction flow region.When holding shank with holding, in order to make finger more indefatigability, finger more not easily skids, and preferably on the region comprising contraction flow region, forms covering portion.
In above-mentioned embodiment, first and second contraction flow region both on be all formed with jut, but to the present invention is not limited thereto, can only first and second contraction flow region any one on form jut, also can not form jut on first and second contraction flow region.
In above-mentioned embodiment, rear quadrate part is formed with jut, but the present invention is not limited thereto, rear quadrate part also can not form jut.
In above-mentioned embodiment, wide diameter portion is formed with exposed division, but the present invention is not limited thereto, wide diameter portion also can not form exposed division.
In above-mentioned embodiment, planting hair side implants has 16 pieces, but the present invention is not limited thereto, and the quantity of pieces can below 15, also can more than 17.Pieces preferably 10 ~ 28.
In above-mentioned embodiment, pieces is arranged as plover shape, but the present invention is not limited thereto, and the figure of pieces arrangement can be arbitrary.
[utilizability in industry]
Toothbrush of the present invention, no matter for the jejune user of clean technologies in self oral cavity, still helps other people to complete the user brushed teeth, and is all easy to operation.Therefore, the present invention can utilize well as " toothbrush ", industrially of crucial importance.
Claims (8)
1. a toothbrush, has shank, the neck that described shank extends and is located at the head of described neck front end, planting hair side implants and have many pieces at described head,
It is characterized in that, described shank is formed the contraction flow region of more than 2, and described contraction flow region refers to, the cross section vertical with the bearing of trend of described shank is from rear end towards the described neck part that first undergauge is then expanding gradually.
2. toothbrush according to claim 1, is characterized in that, described contraction flow region is coated by soft resin.
3. toothbrush according to claim 2, is characterized in that, between arbitrary described contraction flow region and the contraction flow region being adjacent to this contraction flow region, is formed with not coated by described soft resin region.
4. according to the toothbrush that claims 1 to 3 is recorded, the constriction of the first contraction flow region 62 is the shapes formed with the radius of curvature of R25 ~ 55mm, or the two or more among the radius of curvature combining R25 ~ 55mm and the shape that forms.
5. according to the toothbrush that Claims 1 to 4 is recorded, from the first contraction flow region 62, the position of minimum diameter is got in the cross section vertical with the bearing of trend of shank 6, and in wide diameter portion 64, the beeline of the position of maximum gauge is got in the cross section vertical with the bearing of trend of shank 6 is 10 ~ 20mm.
6., according to the toothbrush that Claims 1 to 5 is recorded, the degree of depth of the contraction of the first contraction flow region is 1 ~ 2mm.
7. according to the toothbrush that claim 1 ~ 6 is recorded, described contraction flow region has 2 places, the position of the minimum diameter in cross section vertical with the bearing of trend of described shank in the first contraction flow region is 10 ~ 30mm with the distance of the position of the minimum diameter in cross section vertical with the bearing of trend of described shank in the second contraction flow region.
8., according to the toothbrush that claim 1 ~ 7 is recorded, the face of the largest diameter in cross section vertical with the bearing of trend of described shank from wide diameter portion, the distance to the front end of described head is 80 ~ 120mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-190862 | 2013-09-13 | ||
| JP2013190862A JP6364641B2 (en) | 2013-09-13 | 2013-09-13 | toothbrush |
| PCT/JP2014/073207 WO2015037495A1 (en) | 2013-09-13 | 2014-09-03 | Tooth brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105491912A true CN105491912A (en) | 2016-04-13 |
Family
ID=52665601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480048058.1A Pending CN105491912A (en) | 2013-09-13 | 2014-09-03 | Tooth brush |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6364641B2 (en) |
| KR (1) | KR102237310B1 (en) |
| CN (1) | CN105491912A (en) |
| WO (1) | WO2015037495A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042229A (en) * | 2017-11-28 | 2018-05-18 | 广州皓醒湾科技有限公司 | Children electric toothbrush and its application method |
| CN110267566A (en) * | 2017-07-31 | 2019-09-20 | 狮王株式会社 | Toothbrush |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016198388A (en) * | 2015-04-13 | 2016-12-01 | 花王株式会社 | toothbrush |
| JP2017029428A (en) * | 2015-07-31 | 2017-02-09 | 株式会社モルテン | Oral cavity washing tool |
| KR102384895B1 (en) * | 2016-03-09 | 2022-04-11 | 라이온 가부시키가이샤 | Toothbrush |
| CN113208262B (en) * | 2016-10-28 | 2023-01-13 | 狮王株式会社 | Tooth brush |
| KR101937739B1 (en) * | 2017-01-11 | 2019-01-11 | 주식회사 엘지생활건강 | Toothbrush |
| JP6722621B2 (en) * | 2017-06-30 | 2020-07-15 | サンスター株式会社 | toothbrush |
| KR101907516B1 (en) * | 2017-11-15 | 2018-10-12 | 박미라 | Functional toothbrush handle and manufacturing method thereof |
| JP2021065261A (en) * | 2019-10-17 | 2021-04-30 | サンスター株式会社 | toothbrush |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3010131A (en) * | 1960-05-23 | 1961-11-28 | Kisky Christian | Toothbrush |
| US6546583B1 (en) * | 2000-07-11 | 2003-04-15 | Bamed Ag | Toothbrush |
| JP2003265232A (en) * | 2002-03-19 | 2003-09-24 | Sunstar Inc | Tooth brush |
| JP2005185649A (en) * | 2003-12-26 | 2005-07-14 | Lion Corp | Toothbrush handle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4990367U (en) * | 1972-11-25 | 1974-08-06 | ||
| JP3162573B2 (en) * | 1994-06-10 | 2001-05-08 | サンスター株式会社 | toothbrush |
| JP2000125937A (en) | 1998-10-21 | 2000-05-09 | Lion Corp | Tooth brush |
| JP2000189250A (en) | 1998-12-25 | 2000-07-11 | Lion Corp | Toothbrush |
| JP2000262329A (en) | 1999-03-12 | 2000-09-26 | Lion Corp | Toothbrush |
| JP3096084U (en) * | 2003-02-25 | 2003-08-29 | 賢三郎 前薗 | Removable toothbrush |
-
2013
- 2013-09-13 JP JP2013190862A patent/JP6364641B2/en active Active
-
2014
- 2014-09-03 WO PCT/JP2014/073207 patent/WO2015037495A1/en active Application Filing
- 2014-09-03 CN CN201480048058.1A patent/CN105491912A/en active Pending
- 2014-09-03 KR KR1020167006045A patent/KR102237310B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3010131A (en) * | 1960-05-23 | 1961-11-28 | Kisky Christian | Toothbrush |
| US6546583B1 (en) * | 2000-07-11 | 2003-04-15 | Bamed Ag | Toothbrush |
| JP2003265232A (en) * | 2002-03-19 | 2003-09-24 | Sunstar Inc | Tooth brush |
| JP2005185649A (en) * | 2003-12-26 | 2005-07-14 | Lion Corp | Toothbrush handle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267566A (en) * | 2017-07-31 | 2019-09-20 | 狮王株式会社 | Toothbrush |
| CN110267566B (en) * | 2017-07-31 | 2022-03-22 | 狮王株式会社 | Tooth brush |
| TWI763892B (en) * | 2017-07-31 | 2022-05-11 | 日商獅子股份有限公司 | Toothbrush |
| CN108042229A (en) * | 2017-11-28 | 2018-05-18 | 广州皓醒湾科技有限公司 | Children electric toothbrush and its application method |
| CN108042229B (en) * | 2017-11-28 | 2023-11-07 | 广州星际悦动股份有限公司 | Child electric toothbrush and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6364641B2 (en) | 2018-08-01 |
| KR20160055144A (en) | 2016-05-17 |
| WO2015037495A1 (en) | 2015-03-19 |
| JP2015054209A (en) | 2015-03-23 |
| KR102237310B1 (en) | 2021-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105491912A (en) | Tooth brush | |
| US20190246778A1 (en) | Method for producing brushes, in particular interdental brushes, and brush, in particular interdental brush, and product group comprising a plurality of brushes | |
| JP5269351B2 (en) | toothbrush | |
| KR102577531B1 (en) | Toothbrush | |
| JP2008006282A5 (en) | ||
| JP2008006281A (en) | Toothbrush handle | |
| CN103402395A (en) | Tooth brush | |
| KR20190057427A (en) | Toothbrush | |
| CN203776358U (en) | Bristle and toothbrush | |
| US20110088188A1 (en) | Hair brush | |
| CN105101838A (en) | Toothbrush | |
| JP6499615B2 (en) | Interdental brush | |
| CN206079549U (en) | Novel brush of moulding plastics of structure | |
| KR102638892B1 (en) | toothbrush | |
| JP5550131B2 (en) | toothbrush | |
| JP6478384B2 (en) | Toothbrush handle body and toothbrush | |
| JP3192545U (en) | Toothbrush with one tuft | |
| WO2017170126A1 (en) | Toothbrush | |
| JP2018033510A (en) | Manufacturing method of toothbrush | |
| JP3165491U (en) | Toothbrush that brushes across the dentition | |
| JP6842905B2 (en) | Toothbrush and how to make a toothbrush | |
| KR102697852B1 (en) | toothbrush | |
| KR20200051640A (en) | toothbrush | |
| JP6452220B2 (en) | toothbrush | |
| CN107205541A (en) | Toothbrush |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
|
| WD01 | Invention patent application deemed withdrawn after publication |