CN210008654U - Clamp for planting bristles with pointed ends - Google Patents

Abstract

The utility model discloses an anchor clamps for planting have most advanced brush hair. The clamp comprises a first mould, a second mould, a third mould and a fourth mould; the first die is provided with at least one first die cavity; the second die is provided with at least one second die cavity for mounting the bristle fixing plate; a plurality of first bristle planting through holes are formed in the bristle fixing plate; the third die is provided with at least one third die cavity; any one of the first die and the fourth die can be buckled with one end of the second die, and when the first die is buckled with the second die, the open end of the first die cavity can be communicated with the second die cavity; the third mould can be buckled with the other end of the second mould, and the open end of the third mould cavity can be communicated with the second mould cavity. The utility model discloses in need not to use the sheetmetal in order to be fixed in first planting the hair through-hole with the brush hair, thereby avoid the sheetmetal to rust and the sheetmetal technology groove to hide dirty breed bacterium influence the health with oxygen in the air or vapor long-term contact after.

Description

Clamp for planting bristles with pointed ends

Technical Field

The utility model relates to a brush head processing technology field, in particular to an anchor clamps for planting have most advanced brush hair.

Background

Toothbrushes are widely and long-term used as personal daily necessities for cleaning teeth and oral cavities, and a conventional toothbrush generally comprises a toothbrush handle and a toothbrush plate connected with the toothbrush handle into a whole, wherein a plurality of bristle planting through holes are arranged on the front surface of the toothbrush plate, and bristles are planted in the bristle planting through holes. Needle-shaped bristles, which generally have tapered ends, have superior flexibility compared to conventional bristles so as to penetrate into gaps between teeth or into periodontal pockets, and thus many high-quality toothbrushes employ needle-shaped bristles.

In the existing toothbrush head, bristles are fixed in the bristle planting through holes through metal sheets, and after the metal sheets are in long-term contact with oxygen or water vapor in the air, oxidation can be generated, so that metal ions are generated, and the metal ions can enter the mouth cavity along with the action of tooth brushing, so that the use of the existing toothbrush can have harmful influence on human health.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps for planting have most advanced brush hair can solve one or more among the above-mentioned prior art problem.

According to one aspect of the utility model, a clamp for planting the bristle with the sharp end is provided, which comprises a first mould, a second mould, a third mould and a fourth mould;

the first die is provided with at least one first die cavity, and one end of the first die cavity is provided with an opening;

the second die is provided with at least one second die cavity for mounting the bristle fixing plate;

a plurality of first bristle planting through holes are formed in the bristle fixing plate;

the third die is provided with at least one third die cavity, and one end of the third die cavity is provided with an opening;

any one of the first die and the fourth die can be buckled with one end of the second die, and when the first die is buckled with the second die, the open end of the first die cavity can be communicated with the second die cavity;

the third mould can be buckled with the other end of the second mould, and the open end of the third mould cavity can be communicated with the second mould cavity.

The beneficial effects of the utility model reside in that: when the clamp provided by the utility model is used for bristle planting, firstly, a first mould is placed on a platform, the open end of a first mould cavity is arranged upwards, then a proper amount of bristles with the tip end as one end are taken by a bristle taking device and placed in the first mould cavity, the tip ends of the bristles are placed downwards, then a second mould is buckled on the first mould, then a bristle fixing plate is embedded into the second mould cavity, a third mould is buckled on the second mould, the open end of the third mould is placed downwards, then the combined clamp is turned over to enable the first mould to be positioned at the top, then the clamp is wholly shaken to enable the bristles to fall into a first bristle planting through hole in the bristle fixing plate, then the first mould positioned at the top is taken down, the bristles which do not fall into the bristle fixing plate are cleaned, then a fourth mould is buckled on the second mould, and the combined clamp is turned over, make the third mould be located the top, whole shake anchor clamps once more for the pointed end of brush hair contacts with the fourth mould, then takes off the third mould again, thereby will take away the anchor clamps of third mould again and put into the tufter and carry out the hot cutting and scald the brush hair upwards stretch out the part of brush hair fixed plate and hot melt one-tenth an organic whole, thereby make the brush hair firmly implanted in the brush hair fixed plate. The utility model discloses need not the rethread and use the sheetmetal in order to be fixed in the first hair through hole of planting with the brush hair to thereby rust and the sheetmetal technology groove hides dirty dirt and breeds the bacterium and influence the health after avoiding the long-term contact of oxygen in sheetmetal and the air or vapor.

In some embodiments, a supporting table for supporting the bristle fixing plate is arranged in the second mold cavity, and a plurality of second bristle planting through holes corresponding to the first bristle planting through holes are formed in the supporting table. Therefore, the supporting table is arranged in the second die cavity, so that the brush fixing plate can be more conveniently installed and taken out. In addition, through set up a plurality of second planting hair through-holes that correspond the setting with first planting hair through-hole on a supporting bench, can be so that when turning over anchor clamps, can carry on spacingly to the direction of motion of brush hair for the brush hair moves along vertical direction, thereby improves the planting hair effect.

In some embodiments, the bristle fixing plate includes a fixing plate body and a first support plate disposed at the bottom of the fixing plate body, the first support plate protrudes outward relative to the fixing plate body, the first bristle-implanting through hole is disposed on the fixing plate body and penetrates through the first support plate, and the first support plate can be set up on the support table. From this, the accessible is set up first backup pad on the brace table to with brush hair fixed plate embedding second die cavity, the installation and the dismantlement of brush hair fixed plate of can more being convenient for of this kind of setting can be seen.

In some embodiments, the fixture further includes a positioning plate disposed between the second mold and the third mold, one end of the bristle fixing plate near the positioning plate extends out of the second mold cavity, the positioning plate is provided with at least one positioning through hole corresponding to the bristle fixing plate, and the bristle fixing plate is located inside the positioning through hole. From this, through setting up the locating plate, can further play the fastening to the brush hair fixed plate to prevent when the shake anchor clamps, take place to rock because of the brush hair fixed plate and influence the effect of planting hair. In the planting process of the bristles, after the bristle fixing plate is embedded into the second die cavity, the positioning plate is buckled on the second die, the third die is buckled on the positioning plate, and then subsequent operation is carried out.

In some embodiments, one end of the positioning through hole, which is far away from the second die, protrudes upwards relative to the positioning plate and forms a step part, the top end of the step part is higher than the top end of the bristle fixing plate, and the open end of the third die cavity is provided with a flared part matched with the step part. From this, when putting into anchor clamps and carry out the in-process that the brush hair hot cut in the tufter, because positioning hole's top is equipped with the step portion, and the top place height that highly is higher than the top place height of brush hair fixed plate of step portion, from this, at the hot cut in-process of brush hair, the hot cut piece can not directly contact with the brush hair fixed plate to can separate and remove certain heat, prevent that the brush hair fixed plate from being scalded badly, and then improve the finished product quality of brush head. In addition, the opening end of the third die is provided with the flaring part matched with the step part, so that the positioning plate can be more conveniently connected with the third die.

In some embodiments, the positioning plate includes a first boss and a second supporting plate disposed at the bottom of the first boss, the second supporting plate is disposed to protrude outward relative to the first boss, the positioning through hole is disposed on the first boss and penetrates through the second supporting plate, and a first groove matched with the first boss is disposed at an end of the third mold close to the positioning plate. From this, through the first boss and the first recess of mutually supporting, can be convenient for more be connected between locating plate and the third mould, easily realize the utility model provides a fast assembly and the dismantlement of anchor clamps, simultaneously, this kind of setting can also improve the stability of being connected between third mould and the locating plate.

In some embodiments, one end of the second mold cavity, which is close to the positioning plate, is arranged to protrude upwards relative to the second mold, the positioning through hole comprises a first hole body and a second hole body which are connected, the inner diameter of the first hole body is smaller than that of the second hole body, the first hole body is matched with the bristle fixing plate, and the second hole body is matched with the second mold cavity. From this, the accessible stretches out the one end of second mould with the second die cavity and inserts in positioning hole's the second hole body to on being fixed in the second mould with the locating plate, thereby be convenient for more be connected between locating plate and the second mould, this kind of setting also can improve the stability of being connected between locating plate and the second mould simultaneously.

In some embodiments, a second groove is formed in the second mold, a second boss capable of being matched with the second groove is formed in the first mold, and a third boss capable of being matched with the second groove is formed in the fourth mold. From this, through the second recess and the second boss of mutually supporting, can be convenient for more be connected between first mould and the second mould for can realize fast assembly and dismantlement between second mould and the first mould, this kind of setting can also improve the stability of being connected between second mould and the first mould simultaneously. In a similar way, through the second recess and the third boss of mutually supporting, can be convenient for be connected between fourth mould and the second mould more for can realize fast assembly and dismantle between fourth mould and the second mould, this kind of setting also can improve the stability of being connected between second mould and the fourth mould simultaneously.

In some embodiments, the fourth mold is provided with at least one fourth mold cavity corresponding to the second mold cavity, the fourth mold cavity is provided with a plurality of third grooves corresponding to the first flocking through holes, and the bottoms of the third grooves are arranged in a wave shape. Through set up a plurality of fourth die cavitys on the fourth mould, and set up a plurality ofly in the fourth die cavity and correspond the third recess that sets up with first planting hair through-hole, therefore, when the anchor clamps are invertd in order to make the pointed end of brush hair contact with the fourth mould for the second time, the pointed end of brush hair can with third recess looks butt, because the bottom of third recess is the wave setting, the bottom height of third recess is uneven promptly, can make the pointed end of a plurality of brush hairs that lie in same first planting hair through-hole arrange according to certain height position from this, thereby the tip that can make a plurality of brush hairs is the brush head that the wave set up.

In some embodiments, the first mold cavity, the second mold cavity, and the third mold cavity are each a plurality. From this, this kind of setting can make the utility model provides an anchor clamps can plant the hair to a plurality of brush hair fixed plates simultaneously to improve planting hair efficiency greatly.

Drawings

FIG. 1 is an exploded view of a holder for planting tipless bristles according to an embodiment of the present invention;

FIG. 2 is a schematic structural view illustrating the first mold, the second mold, the positioning plate and the third mold of the holder for planting tipless bristles of FIG. 1 in cooperation with each other;

FIG. 3 is a schematic structural view illustrating the cooperation among a fourth mold, a second mold, a positioning plate, and a third mold in the holder for planting untipped bristles shown in FIG. 1;

FIG. 4 is a schematic structural view illustrating the alignment plate and the bristle fixing plate of the holder for planting untipped bristles of FIG. 1, which are engaged with each other;

FIG. 5 is a schematic view illustrating the structure of a bristle fixing plate and a second mold in the holder for planting untipped bristles of FIG. 1, which are engaged with each other;

FIG. 6 is a schematic structural view of a second mold in the jig for planting untipped bristles shown in FIG. 1;

FIG. 7 is a schematic structural view of a third mold in the jig for planting untipped bristles shown in FIG. 1;

FIG. 8 is a schematic view showing the structure of a positioning plate in the jig for planting untipped bristles shown in FIG. 1;

fig. 9 is a schematic view illustrating a bristle fixing plate in the jig for planting untipped bristles shown in fig. 1.

Wherein the reference numbers are as follows:

a first mold-100; a second mold-200; a third mold-300; fourth mold-400; a first mold cavity-110; a second mold cavity-210; a bristle holder-500; a first tufting via-510; a third mold cavity-310; a support table-211; a second tufting via-212; a fixed plate body-520; a first support plate-530; positioning plate-600; a positioning through hole-610; a step-620; a flared portion-311; a first boss-630; a second support plate-640; a first recess-320; a first porous body-611; a second bore-612; a second groove-220; a second boss-120; a third boss-410; a fourth mold cavity-420; a third groove-421.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Fig. 1 to 9 schematically show a jig for planting pointed bristles according to an embodiment of the present invention. As shown, the jig for planting pointed bristles includes a first mold 100, a second mold 200, a third mold 300, and a fourth mold 400.

Wherein, be equipped with at least one first die cavity 110 on the first mould 100, the one end of first die cavity 110 is equipped with the opening, be equipped with at least one second die cavity 210 that is used for installing brush hair fixed plate 500 on the second mould 200, be equipped with a plurality of first planting hair through-holes 510 on the brush hair fixed plate 500, be equipped with at least one third die cavity 310 on the third mould 300, the one end of third die cavity 310 is equipped with the opening, any one in first mould 100 and the fourth mould 400 can be buckled with the one end of second mould 200 mutually, when first mould 100 was buckled with second mould 200 mutually, the open end of first die cavity 110 can be linked together with second die cavity 210, third mould 300 can be buckled with the other end of second mould 200, the open end of third die cavity 310 can be linked together with second die cavity 210.

In order to improve the working efficiency of the clamp provided by the present invention, the first mold cavity 110, the second mold cavity 210 and the third mold cavity 310 may be a plurality. From this, this kind of setting can make the utility model provides an anchor clamps can plant the hair to a plurality of brush hair fixed plates 500 simultaneously to improve greatly and plant hair efficiency.

When the clamp provided by the utility model is used for bristle planting, firstly, the first mould 100 is placed on a platform, so that the open end of the first mould cavity 110 is arranged upwards, then a proper amount of bristles with the tip end at one end are taken by a bristle taking device and placed in the first mould cavity 110, wherein the tip end of the bristles is placed downwards, then the second mould 200 is buckled on the first mould 100, then the bristle fixing plate 500 is embedded into the second mould cavity 210, then the third mould 300 is buckled on the second mould 200, the open end of the third mould 300 is placed downwards, then the combined clamp is turned over so that the first mould 100 is positioned at the top, then the clamp is shaken integrally, so that the bristles fall into the first bristle planting through holes 510 in the bristle fixing plate 500, then the first mould 100 positioned at the top is taken down, the bristles which do not fall into the bristle fixing plate 500 are buckled, then the fourth mould 400 is buckled on the second mould 200, the combined clamps are turned upside down again, so that the third mold 300 is positioned at the top, the clamps are integrally shaken again, so that the tips of the bristles are in contact with the fourth mold 400, then the third mold 300 is taken down, and then the clamps taken away from the third mold 300 are placed into a bristle planting machine for hot cutting, so that the parts of the bristles, which upwardly extend out of the bristle fixing plate 500, are ironed and fused into a whole, so that the bristles can be stably planted into the bristle fixing plate 500. The utility model discloses need not the rethread and use the sheetmetal in order to be fixed in first planting hair through-hole 510 with the brush hair to thereby rust and the sheetmetal technology groove hides dirty dirt and breeds the bacterium and influence the health after avoiding the long-term contact of oxygen in sheetmetal and the air or vapor.

In order to facilitate the installation and removal of the bristle fixing plate 500, a supporting table 211 for supporting the bristle fixing plate 500 may be disposed in the second cavity 210, and a plurality of second bristle through holes 212 corresponding to the first bristle through holes 510 are disposed on the supporting table 211. Thus, the bristle fixing plate 500 can be more easily mounted and removed by providing the support base 211 in the second cavity 210. In addition, through set up a plurality of second flocking through-holes 212 that correspond the setting with first flocking through-hole 510 on a supporting bench 211, can be so that when turning over anchor clamps, can carry on spacingly to the direction of motion of brush hair for the brush hair moves along vertical direction, thereby improves the flocking effect.

Further, the bristle fixing plate 500 may include a fixing plate body 520 and a first support plate 530 disposed at the bottom of the fixing plate body 520, the first support plate 530 is disposed to protrude outward relative to the fixing plate body 520, the first bristle through hole 510 is disposed on the fixing plate body 520 and penetrates the first support plate 530, and the first support plate 530 may be disposed on the support table 211. Thus, the bristle holder 500 can be inserted into the second cavity 210 by mounting the first support plate 530 on the support base 211, which can further facilitate the mounting and dismounting of the bristle holder 500.

Preferably, the clamping apparatus may further include a positioning plate 600, the positioning plate 600 is disposed between the second mold 200 and the third mold 300, one end of the bristle fixing plate 500 close to the positioning plate 600 extends out of the second mold cavity 210, the positioning plate 600 is provided with at least one positioning through hole 610 corresponding to the bristle fixing plate 500, and the bristle fixing plate 500 is located inside the positioning through hole 610. From this, through setting up locating plate 600, can further play the fastening to brush hair fixed plate 500 to prevent when the shake anchor clamps, take place to rock because of brush hair fixed plate 500 and influence the effect of planting hair. In the process of planting the bristles, after the bristle fixing plate 500 is inserted into the second cavity 210, the positioning plate 600 is fastened to the second mold 200, the third mold 300 is fastened to the positioning plate 600, and then the subsequent operations are performed.

One end of the positioning through hole 610, which is far away from the second mold 200, protrudes upward relative to the positioning plate 600 and forms a step 620, the top end of the step 620 is higher than the top end of the bristle fixing plate 500, and the open end of the third cavity 310 is provided with a flared portion 311 which is matched with the step 620. From this, when putting into anchor clamps and carry out the in-process that the brush hair hot cut was carried out in the tufter, because the top of positioning hole 610 is equipped with step portion 620, and the top of step portion 620 is highly higher than the top of brush hair fixed plate 500 and is located the height, from this, at the hot cut in-process of brush hair, the hot cut piece can not directly contact with brush hair fixed plate 500 to can separate certain heat, prevent that brush hair fixed plate 500 from being scalded badly, and then improve the finished product quality of brush head. In addition, by providing the flared portion 311 fitted to the stepped portion 620 at the open end of the third mold 300, the connection between the positioning plate 600 and the third mold 300 may be more facilitated.

The positioning plate 600 may include a first boss 630 and a second supporting plate 640 disposed at the bottom of the first boss 630, the second supporting plate 640 protrudes outward relative to the first boss 630, the positioning through hole 610 is disposed on the first boss 630 and penetrates through the second supporting plate 640, and a first groove 320 matched with the first boss 630 is disposed at an end of the third mold 300 close to the positioning plate 600. From this, through the first boss 630 and the first recess 320 of mutually supporting, can be convenient for more be connected between locating plate 600 and the third mould 300, easily realize the utility model provides a quick assembly and the dismantlement of anchor clamps, simultaneously, this kind of setting can also improve the stability of being connected between third mould 300 and the locating plate 600.

One end of the second cavity 210 near the location of the positioning plate 600 may be protruded upward relative to the second mold 200, the positioning through hole 610 includes a first hole 611 and a second hole 612 connected to each other, the inner diameter of the first hole 611 is smaller than the inner diameter of the second hole 612, the first hole 611 is matched with the bristle fixing plate 500, and the second hole 612 is matched with the second cavity 210. Therefore, the end of the second cavity 210 extending out of the second mold 200 can be inserted into the second hole 612 of the positioning through hole 610 to fix the positioning plate 600 on the second mold 200, so that the connection between the positioning plate 600 and the second mold 200 is more convenient, and at the same time, the stability of the connection between the positioning plate 600 and the second mold 200 can be improved.

In order to further simplify the installation process of the present invention, the second mold 200 may have a second groove 220 thereon, the first mold 100 has a second boss 120 capable of cooperating with the second groove 220, and the fourth mold 400 has a third boss 410 capable of cooperating with the second groove 220. From this, through the second recess 220 and the second boss 120 of mutually supporting, can be convenient for more be connected between first mould 100 and the second mould 200 for can realize fast assembly and dismantlement between second mould 200 and the first mould 100, this kind of setting can also improve the stability of being connected between second mould 200 and the first mould 100 simultaneously. In a similar way, through the second groove 220 and the third boss 410 which are matched with each other, the connection between the fourth mold 400 and the second mold 200 can be more convenient, so that the fourth mold 400 and the second mold 200 can be quickly assembled and disassembled, and meanwhile, the stability of connection between the second mold 200 and the fourth mold 400 can also be improved due to the arrangement.

In order to arrange the tips of the bristles implanted into the bristle fixing plate 500 at a certain height to form a specific wave shape, at least one fourth cavity 420 corresponding to the second cavity 210 is formed in the fourth mold 400, when the third protrusion 410 is formed in the fourth mold 400, the fourth cavity 420 may be formed in the third protrusion 410, a plurality of third grooves 421 corresponding to the first bristle-implanting through holes 510 are formed in the fourth cavity 420, and the bottoms of the third grooves 421 are arranged in a wave shape. Through setting up a plurality of fourth die cavitys 420 on fourth mould 400 to set up a plurality of third recesses 421 that correspond the setting with first planting hair through-hole 510 in fourth die cavity 420, therefore, when the anchor clamps are invertd for the second time so that the pointed end of brush hair and fourth mould 400 contact, the pointed end of brush hair can with third recess 421 looks butt, because the bottom of third recess 421 is the wave setting, the bottom of third recess 421 is the level unevenness promptly, can make the pointed end of a plurality of brush hairs that are located same first planting hair through-hole 510 arrange according to certain height position from this, thereby can make the tip of a plurality of brush hairs be the brush head that the wave set up.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. A jig for planting tipped bristles, comprising a first mold (100), a second mold (200), a third mold (300) and a fourth mold (400);

at least one first die cavity (110) is arranged on the first die (100), and an opening is formed in one end of the first die cavity (110);

the second die (200) is provided with at least one second die cavity (210) for mounting a bristle fixing plate (500);

a plurality of first bristle planting through holes (510) are formed in the bristle fixing plate (500);

at least one third die cavity (310) is arranged on the third die (300), and an opening is formed in one end of the third die cavity (310);

either one of the first mold (100) and the fourth mold (400) is capable of being engaged with one end of the second mold (200), and when the first mold (100) is engaged with the second mold (200), the open end of the first mold cavity (110) is capable of communicating with the second mold cavity (210);

the third mold (300) can be buckled with the other end of the second mold (200), and the open end of the third mold cavity (310) can be communicated with the second mold cavity (210).

2. The jig for planting tipped bristles according to claim 1, wherein a support table (211) for supporting the bristle fixing plate (500) is provided in the second cavity (210), and a plurality of second bristle through holes (212) corresponding to the first bristle through holes (510) are provided in the support table (211).

3. The jig for implanted with pointed bristles according to claim 2, wherein the bristle fixing plate (500) comprises a fixing plate body (520) and a first support plate (530) disposed at the bottom of the fixing plate body (520), the first support plate (530) is outwardly protruded with respect to the fixing plate body (520), the first bristle through-holes (510) are disposed on the fixing plate body (520) and penetrate through the first support plate (530), and the first support plate (530) can be erected on the supporting table (211).

4. The fixture for planting tipped bristles according to claim 1, further comprising a positioning plate (600), wherein the positioning plate (600) is disposed between the second mold (200) and the third mold (300), one end of the bristle fixing plate (500) close to the positioning plate (600) extends out of the second mold cavity (210), at least one positioning through hole (610) corresponding to the bristle fixing plate (500) is formed in the positioning plate (600), and the bristle fixing plate (500) is located inside the positioning through hole (610).

5. The jig for planting tipped bristles according to claim 4, wherein one end of the positioning through hole (610) remote from the second mold (200) is upwardly protruded with respect to the positioning plate (600) and forms a stepped portion (620), the top end of the stepped portion (620) is located at a height higher than the top end of the bristle fixing plate (500), and the open end of the third cavity (310) is provided with a flared portion (311) which is matched with the stepped portion (620).

6. The fixture for implanting bristle with pointed end as claimed in claim 4, wherein said positioning plate (600) comprises a first boss (630) and a second supporting plate (640) disposed at the bottom of said first boss (630), said second supporting plate (640) is disposed to protrude outward relative to said first boss (630), said positioning through hole (610) is disposed on said first boss (630) and penetrates through said second supporting plate (640), and one end of said third mold (300) near said positioning plate (600) is provided with a first groove (320) matching with said first boss (630).

7. The holder for planting tipped bristles according to claim 6, wherein one end of the second mold cavity (210) near the location of the positioning plate (600) is upwardly protruded with respect to the second mold (200), the positioning through hole (610) comprises a first hole body (611) and a second hole body (612) which are connected, the inner diameter of the first hole body (611) is smaller than the inner diameter of the second hole body (612), the first hole body (611) is matched with the bristle fixing plate (500), and the second hole body (612) is matched with the second mold cavity (210).

8. The jig for planting tipped bristles according to claim 1, wherein a second groove (220) is formed on the second mold (200), a second boss (120) capable of being matched with the second groove (220) is formed on the first mold (100), and a third boss (410) capable of being matched with the second groove (220) is formed on the fourth mold (400).

9. The jig for planting tipped bristles according to claim 1, wherein at least one fourth mold cavity (420) corresponding to the second mold cavity (210) is formed in the fourth mold (400), a plurality of third grooves (421) corresponding to the first bristle planting through holes (510) are formed in the fourth mold cavity (420), and the bottoms of the third grooves (421) are arranged in a wave shape.

10. The holder for implanted pointed bristles according to claim 1, wherein said first cavity (110), said second cavity (210) and said third cavity (310) are each plural.

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