CN102883677A

CN102883677A - Flexible flat toothpick

Info

Publication number: CN102883677A
Application number: CN2011800222603A
Authority: CN
Inventors: 保拉·维莉蒂安娜·洛埃拉普利多
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-31
Filing date: 2011-06-09
Publication date: 2013-01-16

Abstract

The invention relates to a toothpick made of a flexible flat material, which is non-toxic, not brittle, and will not splinter, which takes the form of a substantially rectangular, elongate strip of said material which is pointed at each end, the points forming the tips of the toothpick. Said ends may be triangular, trapezoidal or hook-shaped. Furthermore, at the centre, the toothpick has a non-slip surface so that the user can get a better grip.

Description

Flexible flat toothpick

The brief overview of invention

The present invention relates to a kind of toothpick of being made by flexible material, this toothpick is flat to be allowed for the cleaning of tooth, thereby arrive a darker infiltration in interdental slit, can avoid the injury of gingiva simultaneously and do not have so that this toothpick splitting or any risk of breaking.In addition, because described toothpick is the fact of a flat strips, when it was introduced between the tooth, it had avoided causing other teeth space.

Background of invention

The toothpicks that much formed by a rod are arranged on the market, this root rod by different materials make, be shaped as cross section with a circle or rectangle, at one end or two ends by sharpening.In its use procedure, some models are coated with chlorophyll or other multiple pigments with fresh breath.Most toothpick is made by timber, and it is easily fracture or cracked, thereby leaves over fragment between tooth, and gingiva is damaged.Other toothpicks are made by plastic material, and this plastic toothpick is stiff and frangible, the injury gingiva.These toothpicks can not sufficiently penetrate between these teeth, and this is because the tip (when being columniform) of their cone shape and the tip (when being rectangle) of wedge shape.The position that they arrive is subject to the restriction of this length at their tips, when the slit between tooth reduces, becomes invalid.If one of these toothpicks are incorporated in the middle of these teeth with excessive power, then may cause diastema owing to the thickness of this toothpick.Another problem is because the firmness of these toothpicks, shape and size thereby careful to use these toothpicks be difficult, this causes user to make with mouth indecency movement and this toothpick of handy handgrip being placed on correct position, being stuck in interdental food particle with arrival.

Brief Description Of Drawings

Fig. 1 shows the flat toothpick with a kind of flexibility of a trapezoidal end.

Fig. 2 shows the flat toothpick with a kind of flexibility of two trapezoidal ends.

Fig. 3 shows the flat toothpick with a kind of flexibility of a triangle shaped ends.

Fig. 4 shows the flat toothpick of a kind of flexibility that at one end is hook shape.

Fig. 5 shows the flat toothpick of a kind of flexibility of being with the nonskid coating that is useful on the hands gripping.

Detailed description of the invention

One embodiment of the invention are a kind of toothpick (1), this toothpick by one haply thin of rectangle consist of, preferably made by flexible plastic material or other flexible materials.Except flexible, this material must be avirulent, non-friable, easily splitting.Described toothpick is formed by a long elements, and the length that this long elements has is between 4.5cm and 5.5cm, and is preferably accurately long for 5cm, because this length is suitable for the size of common people's mouth.The width that meets the bar of this toothpick be between 1mm between the 5mm, be preferably accurately 3mm, grip described toothpick to allow this user with thumb and forefinger.Described thickness is between 0.254mm and 0.381mm.Described width and thickness allow described toothpick to possess certain rigidity or flexing resistance.Described two ends all have a summit (5).In the described summit (5) on described the two ends each be by sharpening, thereby formed these tips (2) of this toothpick (1), and wherein said tip is introduced in interdental slit to remove food particle.The described tip (2) of this toothpick (1) is level and smooth, to avoid taking notice of external injury to gingiva when contacting gingiva.The bending radius at described tip (2) is between 0.4mm and 1mm, is preferably accurately 0.6mm.

Described summit on these ends of described is to be formed by the oblique line otch (3) on these turnings of this rectangular strip.Each oblique line otch (3) begins and making than the long side surface end at the rectangle that meets this from a turning of described, described than long side surface with meet described the described otch of beginning the turning be opposite than long side surface, therefore formed a trapezoidal end (4), wherein the angle of summit (5) is between 10 ° and 15 °, is preferably accurately 12.5 °.Above-mentioned situation from Fig. 1 and 2 as seen.Another embodiment of this toothpick (1) is comprised of the oblique line otch (3) on two contiguous turnings locating in this each end, described the short side of meeting of described turning and rectangle is adjacent, described like this oblique line otch (3) joins each other and this summit (5) is shaped, thereby formed the tip (2) of this toothpick (1), made a triangle shaped ends (6).This embodiment as can be seen from Fig. 3.

Again another embodiment of this toothpick (1) comprises an end with hook (7) shape, this hook extends towards a side of this toothpick (1), wherein bending is between 90 ° and 180 °, be preferably accurately 150 °, thereby allow user to be placed into this hook (7) in the interdental slit and in the opposite direction pulling.This embodiment in Fig. 4 as seen.

This toothpick (1) can have in one or two end tip (2), and described end can all be leg-of-mutton (6), all be trapezoidal (4), also or an end be trapezoidal (4) and an end is leg-of-mutton (6).In addition, one of these tips (2) of described toothpick (1) can be substituted by the end of a hook (7) shape.

An other feature of this toothpick (1) is that it is coated with a nonskid coating on two sides of heart part (8) therein, and user can be realized better gripping firmly grasping like this.Another option is this toothpick (1) round plastic spare (9) that can to have a diameter be the anti-slip material of 1.5cm, this round plastic spare is attached to when the core (8) of this toothpick is upper to grip this toothpick (1) with box lunch and reaches a more comfortable promptly state, as shown in Figure 5.This of above-mentioned a plurality of features has been combined to form the toothpick (1) of the series of advantages that has, and comprises that it can not break or splitting, and it can not make tooth separately, it be meet human engineering and it can more easily penetrate in the slit between tooth.Another advantage of the present invention is, it can be used for removing the food particle that is stuck in the Dentition correcting carriage, reach carriage because it is easy to bending and thereby interdental these stains remove these food particles, because its hook (7) and flexible and need not promote these carriages or exert pressure to these carriages.

Claims (according to the modification of the 19th of treaty)

The applicant's invention has been described in sufficient mode, the applicant think it have novelty and therefore the applicant require with regard to the content of the following claims property as the applicant:

1. toothpick, the elongated shape, flat bar that comprises a thin flexibility, this is rectangle haply, made by a kind of nontoxic, non-friable and material not splitting, this length that has be between between 4.5cm and the 5.5cm, the width that has be between between 1mm and the 5mm, the thickness that has is between 0.254mm and 0.381mm; Wherein said is coated with anti-slip material on two sides of heart part (8) therein; These ends of wherein said have one by the summit of sharpening (5), thereby have formed these tips (2) of this toothpick (1), wherein said tip (2) be level and smooth, have a bending radius between 0.4mm and 1mm; To be formed by a plurality of oblique line otch (3) on these turnings that are positioned at described rectangular strip described the described of place, these ends by the summit of sharpening (5) wherein, each oblique line otch (3) begins and making than the long side surface end at the rectangle that is consistent with this from a turning of described, it is described that what be consistent than long side surface and the turning of described the described otch of beginning is opposite than long side surface, therefore, formed a trapezoidal end (4), wherein the angle of summit (5) is between 10 ° and 15 °.

2. toothpick, the elongated shape, flat bar that comprises a thin flexibility, this is rectangle haply, made by a kind of nontoxic, non-friable and material not splitting, this length that has be between between 4.5cm and the 5.5cm, the width that has be between between 1mm and the 5mm, the thickness that has is between 0.254mm and 0.381mm; Wherein said is coated with anti-slip material on two sides of heart part (8) therein; These ends of wherein said have one by the summit of sharpening (5), thereby have formed these tips (2) of this toothpick (1), wherein said tip (2) be level and smooth, have a bending radius between 0.4mm and 1mm; Described summit (5) on two ends of wherein said is to be formed by two the oblique line otch (3) on two contiguous turnings of described, described turning is adjacent with a short side of rectangle that meets described, described so a plurality of oblique line otch (3) join each other and this summit (5) are shaped, thereby formed the tip (2) of this toothpick (1), made a triangle shaped ends (6).

3. toothpick, the elongated shape, flat bar that comprises a thin flexibility, this is rectangle haply, made by a kind of nontoxic, non-friable and material not splitting, this length that has be between between 4.5cm and the 5.5cm, the width that has be between between 1mm and the 5mm, the thickness that has is between 0.254mm and 0.381mm; Wherein said is coated with anti-slip material on two sides of heart part (8) therein; These ends of wherein said have one by the summit of sharpening (5), thereby have formed these tips (2) of this toothpick (1), wherein said tip (2) be level and smooth, have a bending radius between 0.4mm and 1mm; Wherein the end of this toothpick (1) is comprised of a hook (7) that extends towards a side of described toothpick (1), and this hook has the bending between 90 ° and 180 °.

4. such as the described toothpick of claim 1 to 3, the diameter that is included in the core of described toothpick (1) is the circular Antislip plastic materials and parts (9) of 1.5cm.

5. such as the described toothpick of claim 1 to 4, be included in the tip (2) on one or two end.

6. toothpick as claimed in claim 5 is included in the triangle most advanced and sophisticated (6) on each end of described toothpick (1).

7. toothpick as claimed in claim 5 is included in the trapezoidal tip (4) on each end of described toothpick (1).

8. toothpick as claimed in claim 5 is included in trapezoidal tip (4) and the triangle on another end of described toothpick most advanced and sophisticated (6) on the end of described toothpick (1).

9. toothpick as claimed in claim 5 is included in the hook (7) on each end of described toothpick (1).

Illustrate or state (according to the modification of the 19th of treaty)

The statement of doing according to treaty 19.1

Answer to International Searching Authority (ISA) written comment.

Written comment is as follows to the suggestion of independent claims 1 to 3: these independent claims do not possess creativeness, because pass through in conjunction with those skilled in the art's common practise and the disclosure of documents 1, these independent claims are apparent to those skilled in the art.To this, the applicant does following statement:

Although a) documents 1 seems and has described a kind of toothpick with a plurality of flat sides; yet can find out with reference to the accompanying drawings and shown in other parts of disclosure content is really not so; in other parts of accompanying drawing and disclosure content, know and see that the tip of this toothpick is columniform; its diameter is the thickness that equals the body of this toothpick; wherein said body has " a plurality of depression " (a plurality of depression) and " narrower a plurality of flanges " (narrower a plurality of flanges) in its relative flat sides; but be not to be flat; this is different from invention required for protection, and the toothpick body is that the thickness that has is thin between 0.254mm and 0.381mm in invention required for protection.

B) on the other hand; invention required for protection is flexible generally and can springs back to its original shape; and the toothpick of documents 1 to mention it be to be made by a kind of rigid plastics; this rigid plastics keeps its shape and can not spring back to fast its original shape when curved being subjected to; this is different from invention required for protection; invention required for protection can spring back to fast its original shape and, become a very thin slice, the tension force that adds is used for the use of control toothpick.

It should be noted, just seeming obvious invention in fact may be creative.When having expressed a new concept, what usually can show in theory is how to be easy to step and to reach this idea by a series of seeming from known things.The auditor answers that careful attention is this recalls the formula analysis.When in conjunction with a plurality of file of quoting in search report, the auditor should engrave all the time the file that produces on one's mind and must obtain by the precognition that consists of the so-called things of inventing in this retrieval.

Therefore, claims 1 to 3 is revised as comprises the characteristic that is formed by the following: be flat and be flexible.For the foregoing reasons, think that the toothpick of documents 1 and invention required for protection do not have similarity, and must consider these reasons and carry out creationary judgement.And, should be based on regulation and the criterion that each unit should grant patent about creationary existence whether evaluation.

About claim 4 to 5, the applicant thinks that this written comment is pertinent, and according to described suggestion these claim is revised.

About dependent claims 6 to 9, the applicant thinks that the suggestion that proposes in the suggestion can limit the scope of these claim, therefore these claim is revised, and keeps only being subordinated to claim 5.

Claims

The applicant's invention has been described in sufficient mode, the applicant think it have novelty and therefore the applicant require with regard to the content of the following claims property as the applicant:

1. flexible flat toothpick, comprise a haply thin long strips of rectangle, this is flexible, nontoxic, non-friable and non-brittle material, this length that has be between between 4.5cm and the 5.5cm, the width that has be between between 1mm and the 5mm, the thickness that has is between 0.254mm and 0.381mm; Wherein said is coated with anti-slip material on two sides of heart part (8) therein; These ends of wherein said have one by the summit of sharpening (5), thereby have formed these tips (2) of this toothpick (1), wherein said tip (2) be level and smooth, have a bending radius between 0.4mm and 1mm; The described summit (5) of wherein locating these ends of described is to be formed by a plurality of oblique line otch (3) on these turnings that are positioned at this rectangular strip, each oblique line otch (3) begins and making than the long side surface end at the rectangle that is consistent with this from a turning of described, it is described that what be consistent than long side surface and the turning of described the described otch of beginning is opposite than long side surface, therefore, formed a trapezoidal end (4), wherein the angle of summit (5) is between 10 ° and 15 °.
2. flexible flat toothpick, comprise a haply thin long strips of rectangle, this is flexible, nontoxic, non-friable and is non-brittle, this length that has be between between 4.5cm and the 5.5cm, the width that has be between between 1mm and the 5mm, the thickness that has is between 0.254mm and 0.381mm; Wherein said is coated with anti-slip material on two sides of heart part (8) therein; These ends of wherein said have one by the summit of sharpening (5), thereby have formed these tips (2) of this toothpick (1), wherein said tip (2) be level and smooth, have a bending radius between 0.4mm and 1mm; Summit (5) on two ends of wherein said is to be formed by two the oblique line otch (3) on two contiguous turnings of described, described turning is adjacent with a short side of rectangle that meets described, described so a plurality of oblique line otch (3) join each other and this summit (5) are shaped, thereby formed the tip (2) of this toothpick (1), made a triangle shaped ends (6).
3. flexible flat toothpick, comprise a haply thin long strips of rectangle, this thin long strips is flexible, nontoxic, non-friable and is non-brittle, this length that has be between between 4.5cm and the 5.5cm, the width that has be between between 1mm and the 5mm, the thickness that has is between 0.254mm and 0.381mm; Wherein said is coated with anti-slip material on two sides of heart part (8) therein; These ends of wherein said have one by the summit of sharpening (5), thereby have formed these tips (2) of this toothpick (1), wherein said tip (2) be level and smooth, have a bending radius between 0.4mm and 1mm; Wherein the end of this toothpick (1) is comprised of a hook (7) that extends towards a side of described toothpick (1), and this hook has the bending between 90 ° and 180 °.
4. such as the flat toothpick of the described flexibility of claim 1 to 3, the diameter that is included in the core of described toothpick (1) is the circular Antislip plastic materials and parts (9) of 1.5cm.
5. such as the flat toothpick of the described flexibility of claim 1 to 4, be included in the tip (2) on one or two end.
6. such as the flat toothpick of the described flexibility of claim 1 to 5, be included in the triangle most advanced and sophisticated (6) on each end of described toothpick (1).
7. such as the flat toothpick of the described flexibility of claim 1 to 5, be included in the trapezoidal tip (4) on each end of described toothpick (1).
8. such as the flat toothpick of the described flexibility of claim 1 to 5, be included in trapezoidal tip (4) and the triangle on another end of described toothpick most advanced and sophisticated (6) on the end of described toothpick (1).
9. such as the flat toothpick of the described flexibility of claim 1 to 5, be included in the hook (7) on each end of described toothpick (1).