WO2011030939A1 - Procede de fabrication de brosse a dents et brosse a dents ainsi fabriquee - Google Patents

Procede de fabrication de brosse a dents et brosse a dents ainsi fabriquee Download PDF

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Publication number
WO2011030939A1
WO2011030939A1 PCT/KR2009/005154 KR2009005154W WO2011030939A1 WO 2011030939 A1 WO2011030939 A1 WO 2011030939A1 KR 2009005154 W KR2009005154 W KR 2009005154W WO 2011030939 A1 WO2011030939 A1 WO 2011030939A1
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WO
WIPO (PCT)
Prior art keywords
bristle
bristles
toothbrush
tuft
hair
Prior art date
Application number
PCT/KR2009/005154
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English (en)
Korean (ko)
Inventor
정태상
Original Assignee
Chung Tae Sang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chung Tae Sang filed Critical Chung Tae Sang
Priority to KR1020097019240A priority Critical patent/KR20120056311A/ko
Priority to PCT/KR2009/005154 priority patent/WO2011030939A1/fr
Priority to CN2009801623577A priority patent/CN102791165A/zh
Publication of WO2011030939A1 publication Critical patent/WO2011030939A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/04—Preparing bristles
    • A46D1/06—Machines or apparatus for cutting bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies

Definitions

  • the present invention relates to a method of manufacturing a toothbrush using an anchorless method of planting bristles without using an anchor, and a toothbrush manufactured by the method.
  • the bristles that fix the bristles to the toothbrush heads using metal anchors are more brittle than the anchorless method without anchors, and it is difficult to vary the shape of the bristles (length, thickness, color, etc.) Therefore, in recent years, most of the related industries manufacture toothbrushes using an anchorless method.
  • a toothbrush manufactured by the anchorless method includes a toothbrush having a bristles, a flat bristle member (generally referred to as a head insert) on which the bristles are to be planted, and a toothbrush head to which the bristles are coupled.
  • the bristles member has a plurality of bristles strands inserted into the tuft hole, respectively, the bristles of the bristles are inserted into the tuft holes from the base of the bristles in the upper side of the tufts, and thus the bristles are inserted.
  • the bristle strand is positioned at the bottom of the tuft member. Thereafter, the bristle strand thus inserted is fused with its root portion and bonded to the tuft member.
  • the conventional toothbrush manufacturing method using such an anchorless method has to insert the bristles strands into the hair transplant hole during planting one by one, it is difficult to manually work, so considerable time and manpower is required, and quality cannot be guaranteed. Therefore, in recent years, automation equipment is used, but since the automation is a very difficult task, the structure of the equipment is inevitably complicated and expensive. In particular, since the automation equipment is designed to suit a toothbrush of any design, when a toothbrush of a new design was developed, part or all of the equipment had to be improved or newly designed and manufactured accordingly, which may not be a huge loss. There was no.
  • An object of the present invention is to provide a method for achieving a toothbrush manufactured at a relatively simple and low cost and a toothbrush made by the method.
  • a bridging step of dense a plurality of bristles strands side by side comprising a step of adhering one end of the dense bristle strands together to form a bundle of the dense bristle strands.
  • the hair bonding step may be bonded to each other by fusing one end of the dense bristle strands.
  • the fusion may be made by hardening the cut surface formed by cutting one end of the dense bristle strand with a heated cutter.
  • the bristle manufacturing step of making a bristle bundle having a cross-sectional area or more by a predetermined area by the bristle manufacturing method A bristle cutting step of cutting the adhesive portions of the bristle bundles so that the manufactured bristle bundles are divided into a plurality of bundles, thereby providing a unit bristle bundle having a cross section corresponding to a tuft hole of the tufts member; Inserting the non-bonded portion of the unit bristle bundle into the tuft hole to position the bonding portion of the unit bristle bundle on the bottom of the tufting member, and then fusion bonding the adhesive portion to fix the unit bristle bundle to the tufting member.
  • the unit bristle bundle may be inserted into the planting hole through a jig having a guide hole corresponding to the planting hole.
  • the guide hole of the jig is preferably formed such that the size of the outlet facing the tuft hole is the same as or larger than the adhesive portion of the unit bristle bundle.
  • the guide hole of the jig can be extended to the entrance in which the unit bristle bundle is inserted.
  • the tuft hole may have a structure in which the bottom side open portion of the tuft member of the both sides is extended, according to this structure can be operated without the jig when the unit bristle bundle is inserted into the tuft hole.
  • the fusion in the planting step may be made by curing the liquid thermoplastic resin by coating the liquid thermoplastic resin on the bottom surface of the planting member.
  • the tuft member is provided with a groove in which the tuft holes are arranged on the bottom, and the liquid thermoplastic resin is filled in the groove of the tuft member to be coated on the bottom of the tuft member.
  • the bristles manufacturing step of making a bristle bundle having a cross section corresponding to the tuft hole of the tufts by the bristle manufacturing method Inserting an unbonded portion of the prepared bristle bundle into the tuft hole to position the bonding portion of the bristle bundle on the bottom of the tufting member, and then fusing the adhesive portion to fix the bristle bundle to the tufting member.
  • a toothbrush manufacturing method comprising a bristle member coupling step of coupling the bristle member in which the bristle bundle is planted to a toothbrush head.
  • a toothbrush manufacturing method comprising a bristle member coupling step of coupling the bristle member in which the bristles are planted on a toothbrush head.
  • a bristle a bristle member in which the bristle is planted, and a toothbrush head in which the bristle member is coupled, and a toothbrush manufactured by the toothbrush manufacturing method described above is provided.
  • the toothbrush head may have a receiving groove into which the tuft member is fitted in an interference fit manner. At this time, the toothbrush head and the tuft member received in the toothbrush head may be bonded to each other.
  • the bottom of the receiving groove may be provided with a coupling groove along an edge, the coupling member may be provided with a coupling jaw fitted into the coupling groove.
  • FIG. 1 is a flow chart illustrating a toothbrush manufacturing method according to the present invention.
  • Figure 2 shows an example of a toothbrush manufactured by a toothbrush manufacturing method according to the present invention
  • (A) is a perspective view of the entire toothbrush
  • (B) is a perspective view of the tufting member of the toothbrush
  • (C) is A toothbrush head of a toothbrush is a perspective view shown.
  • FIG. 3 to 9 is a view showing a toothbrush manufacturing method according to the present invention step by step
  • Figures 3 to 5 is a bristle manufacturing step
  • Figure 6 is a bristle cutting step
  • Figures 7 and 8 are a hair transplant step
  • 9 shows the hair-stall binding step, respectively.
  • FIG. 10 is a perspective view showing other examples of the toothbrush manufactured by the toothbrush manufacturing method according to the present invention.
  • 11 and 12 show a planting step of the toothbrush manufacturing method by the type of planting member different from that shown in FIG.
  • the toothbrush manufacturing method according to the invention is the bristles manufacturing step (see S10) to make a plurality of bristles (see reference numeral 1 in Figure 3), the bristle bundles (see Figure 5 and A bristle cutting step (see S20) for cutting and dividing a unit bristle bundle (see reference numerals 10 in FIGS. 2 and 6 to 9) having a desired cross section by cutting and dividing the reference numeral 5 in FIG.
  • FIG 2 is a perspective view showing an example of a toothbrush manufactured by a toothbrush manufacturing method according to the present invention.
  • the toothbrush manufactured according to the above step is a bristle, which is a set of unit bristle bundle 10, the flat bristle member 20, the bristle is planted, the bristle member 20 is coupled Toothbrush head having toothbrush head 30.
  • the tuft member 20 is provided with the groove
  • the grooves 22 of the tufting member 20 are formed with a plurality of tuft holes 24 for planting the unit bristle bundles 10 one by one.
  • the tuft holes 24 are all circular and have the same size and the grooves ( 22) so that they are spaced apart throughout.
  • the toothbrush head 30 has a receiving groove 32 to which the tuft member 20 is fitted and engaged. At this time, the tuft member 20 is fitted with its bottom face facing the bottom of the receiving groove 32.
  • FIG. 3 to 9 show each step of the toothbrush manufacturing method according to the present invention.
  • FIG. 3 to 9 by looking at the process of manufacturing a toothbrush in the shape of the bristles as shown in Figure 2 in the toothbrush manufacturing method according to the present invention, each step of the toothbrush manufacturing method according to the present invention in detail Explain.
  • the bristles manufacturing step S10 includes a wool processing step (see S11), a hair dense step (see S12), and a hair bonding step (see S13).
  • the tip of bristles of constant length (1) is processed to be effective in removing tartar and plaque and preventing gum damage when brushing by processing such as grinding or dipping.
  • 3 illustrates a processed bristle strand.
  • (A) of FIG. 3 shows the bristle strand processed to be round, and
  • FIG. 3 (B) shows the bristle strand processed to have a taper.
  • a dense mold having holes or grooves may be used instead of the paper band 50 for the densities of the processed bristle strands 1, when the bristle strands 1 are used as holes or grooves in the mold. It is inserted tightly into the and is densely packed.
  • Using such a framework is more advantageous for setting the densities of the bristle strands 1 as compared to using the paper band 50. This is because the shape of the dense bristle strand 1 is determined according to the shape of the frame or the groove (for example, if the shape of the hole or the groove of the frame is circular, the shape of the dense bristle strand is also circular).
  • Such a densely packed step (S12) may include a wool setting process.
  • the hair setting process means that the ends of the dense bristle strands 1 have a specific shape.
  • this process can be made by pressing against the base of the bristle bristle (1) dense on the setting plate is formed on the top surface irregularities. At this time, the dense bristle strands 1 have the same shape as the top of the setting plate.
  • the dense bristle bristle strands 1 are bundled into one bundle by adhering the root portions of the bristle bristle strands 1 in the densely packed step S12.
  • the base part adhesion here is made by cutting the base part of the dense bristle strand 1 with the cutter (for example, the cutter with a built-in heating wire) heated to a predetermined temperature. At this time, the cutting of the bristle bristle strand 1 is made with the paper band 50 which maintains the dense form of the bristle bristle strand 1, and the root part of the bristle bristle strand 1 is attached to the cutter 60.
  • the bristle bristle strands 1 are adhered to each other by hardening of the molten cut surface, after being melted by heat at the same time as being cut.
  • the sole portion is bonded by fusion, and a bristle bristle (bristle bristle bundle 5) of the shape is manufactured.
  • a bristle bristle bristle bristle bundle 5
  • the bristles are formed in the specific shape if the end has been subjected to the hair setting process in the hair cluster step (S12) above.
  • the bristle bundle 5 manufactured in the bristle manufacturing step S10 above is divided into a plurality of unit bristle bundles 10 having a cross section of an area corresponding to the tuft hole 24.
  • a cutting mechanism 70 including a work table 72 and a plurality of cutters 74 provided in a row on the upper surface of the work table 72 is used to divide the bristle bundle 5.
  • the bristle bundle 5 When the adhesive portion (base portion) of the bristle bundle 5 is placed on the work table 72 of the cutting mechanism 70 and then pushed toward the cutter 74 side, the bristle bundle 5 has the adhesive portion of the cutter 74. It is cut
  • the planting step S30 includes a bristles insertion step (see S31) and a bristle fixing step (see S32).
  • the hair-planting member 20 is placed on the hair-planting stage 80, and the top surface of the hair-planting member 20 abuts against the hair-planting stage 80 so that the bottom surface of the hair-planting member 20 faces upward.
  • the jig 85 is placed on the bottom face of the tuft member 20.
  • the jig 85 has guide holes 86 that coincide with the seedling holes 24 when the jig 85 is located on the bottom surface of the seedling member 20.
  • An outlet (at the bottom, in the figure) facing the 24 is formed to be the same as the adhesive portion of the unit bristle bundle 10 or slightly larger than the adhesive portion of the unit bristle bundle 10.
  • the inlet (see bottom view) of the guide hole 86 is formed to have an expanding structure.
  • an end portion (non-bonded portion) of the unit bristle bundle 10 is inserted into the inlet of the guide hole 86 and through the guide hole 86 to the tuft hole 24 corresponding to the guide hole 86.
  • Each of the unit bristle bundles 10 is inserted to position the adhesive portion of the unit bristle bundle 10 in the groove 22 of the tufting member 20.
  • the unit bristle bundle 10 is easily inserted.
  • the unit bristle bundle 10 thus inserted is naturally inserted into the hair transplant hole 24 along the inner wall of the guide hole 86. Therefore, the insertion work of the unit bristle bundle 10 can be performed quickly and accurately.
  • the liquid thermoplastic resin R is filled in the grooves 22 of the tuft member 20 in which the unit bristle bundle 10 is inserted.
  • the liquid thermoplastic resin R filled in the grooves 22 of the tuft member 20 is cured.
  • the thermoplastic resin is cured, the unit bristle bundle 10 inserted into the tuft hole 24 is fixed to the tuft member 20. That is, by the hardened thermoplastic resin, the bonding part 20, the adhesive part of the unit bristle bundle 10, and the thermoplastic resin are integrally formed.
  • the bottom surface of the tuft member 20 may be coated with a constant thickness instead of filling the liquid thermoplastic resin R.
  • the fixing method of the unit bristle bundle 10 inserted into the tuft hole 24 is not using a liquid thermoplastic resin (R), the heat plate is inserted into the groove 22 of the tuft member 20 by heat and pressure It is also possible to fuse the adhesive portion of the unit bristle bundle 10 by adding. Of course, even in this case, when the fusion is completed, the tuft member 20 and the unit bristle bundle 10 is bonded to each other.
  • R liquid thermoplastic resin
  • the tufting member 20 and the toothbrush head 30 may be configured as follows to improve the bonding force (adhesive force) between each other at the time of coupling.
  • the receiving groove 32 of the toothbrush head 30 is formed to a size to which the tuft member 20 is fitted in an interference fit manner.
  • the toothbrush head 30 is provided with a coupling groove 34 at the bottom of the receiving groove 32 along the edge of the receiving groove 32, and the tuft member 20 is a coupling groove 34 at the edge of the bottom face. It is provided with a coupling jaw 26 is fitted to be coupled to.
  • the tuft member 20 is forcibly fitted to the receiving groove 32, and when the fitting jaw 26 is fitted to the coupling groove 34 when it is thus inserted, the tuft member 20 with The adhesion between the toothbrush head 30 can be increased, and the contact area can be increased, and the coupling force between the tuft member 20 and the toothbrush head 30 is improved.
  • FIG. 10 is a perspective view showing other examples of the toothbrush manufactured by the toothbrush manufacturing method according to the present invention.
  • the toothbrush manufacturing method according to the present invention in addition to the uniform shape of the bristles like the toothbrush shown in Figure 2, as shown in Figure 10 it is possible to manufacture a toothbrush in a variety of shapes of the bristles simply and at a low cost.
  • the toothbrush shown in FIG. 10 may also be manufactured in the same manner as described above, but a bristle bundle 5 having a cross section of a predetermined area is made, and the bristle bundle 5 is cut and divided to form a plurality of unit bristles.
  • the bristles manufacturing step (S10) to create a bristle bundle having a cross-section corresponding to the tuft hole 24, and after planting the bristle bundles thus prepared is planted in the toothbrush head 30 It may also proceed in such a manner as to couple the tuft member 20.
  • the mold mentioned in the hair clustering step S12 may be used.
  • a toothbrush since the planting of the bundle of bristles of the sole part is implanted, it is possible to ensure the quality of the manufactured toothbrush and to easily diversify the shape of the bristles.
  • the bristle strands 1 having different thicknesses, colors, shapes, etc. are concentrated in the hair clustering step S12, a toothbrush in which several kinds of bristle strands 1 are mixed in one tuft hole 24 may be manufactured. It may be.
  • FIG. 11 shows a planting step of the toothbrush manufacturing method by the type of planting member different from that shown in FIGS. 2, 7 to 9.
  • the tuft hole 24A of the tuft member 20A shown in FIG. 11 is formed so that the bottom side opening part of the tuft member 20A among them may have a structure which gradually expands toward the bottom side of this tuft member 20A.
  • the hair growth hole 24A thus formed serves as a guide hole 86 of the jig 85, and the jig 85 inserts the unit bristle bundle 10 into the hair growth hole 24A. It can be done without. That is, the insertion work of the unit bristle bundle 10 is convenient.
  • the unit bristles inserted into the tuft hole 24A because the adhesive portion of the unit bristle bundle 10 inserted in the tuft hole 24A is accommodated in the extension part of the tuft hole 24A.
  • An improved binding force on the bundle 10 can be expected.
  • Figure 12 shows the planting step of the toothbrush manufacturing method by another type of planting member.
  • the tuft hole 24B of the tuft member 20B shown in FIG. 12 has a constant angle inclined shape, not vertical.
  • neighboring tuft holes 24B are inclined in opposite directions to each other.
  • the unit bristle tufts 10 inserted in the tuft hole 24B constitute bristles having a form in which they cross each other.
  • the heating plate was used to fix the unit bristle bundle 10 inserted into the tuft hole 24B. That is, after the insertion is completed, heat and pressure are applied to the adhesive portion of the unit bristle bundle 10 to fuse the adhesive portion of the unit bristle bundle 10 to the bottom surface of the tuft member 20.
  • the hair processing step S11 of the bristles manufacturing step S10 is performed before the hair dense step S12, but the hair processing step S11 may be performed after the hair dense step S12. It may be. In other words, it may be extremely at the end of toothbrush manufacturing.
  • the bristle insertion method using a jig in the bristles insertion step (S31) of the hair transplant step (S30) and the bristle fixing method according to the coating of the thermoplastic resin in the bristle fixing step (S32) without the bristle strands strands as it is stranded can also be applied to a method of preparing a toothbrush by planting.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une brosse à dents, consistant : à fabriquer les poils de la brosse à dents ; à implanter les poils obtenus sur un élément implant ; et à coupler l'élément implant totalement implanté avec une tête de brosse à dents. L'invention concerne également une brosse à dents ainsi fabriquée. L'étape de fabrication des poils consiste : à collecter un brin constitué par une pluralité de poils alignés ; et à coller la partie inférieure du brin collecté pour obtenir un faisceau.
PCT/KR2009/005154 2009-09-11 2009-09-11 Procede de fabrication de brosse a dents et brosse a dents ainsi fabriquee WO2011030939A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020097019240A KR20120056311A (ko) 2009-09-11 2009-09-11 칫솔 제조 방법 및 이 방법으로 제조된 칫솔
PCT/KR2009/005154 WO2011030939A1 (fr) 2009-09-11 2009-09-11 Procede de fabrication de brosse a dents et brosse a dents ainsi fabriquee
CN2009801623577A CN102791165A (zh) 2009-09-11 2009-09-11 制造牙刷的方法以及由该方法制造的牙刷

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2009/005154 WO2011030939A1 (fr) 2009-09-11 2009-09-11 Procede de fabrication de brosse a dents et brosse a dents ainsi fabriquee

Publications (1)

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WO2011030939A1 true WO2011030939A1 (fr) 2011-03-17

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PCT/KR2009/005154 WO2011030939A1 (fr) 2009-09-11 2009-09-11 Procede de fabrication de brosse a dents et brosse a dents ainsi fabriquee

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KR (1) KR20120056311A (fr)
CN (1) CN102791165A (fr)
WO (1) WO2011030939A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11540621B2 (en) 2017-07-12 2023-01-03 Koninklijke Philips N.V. Brush head arrangements

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6967549B2 (ja) * 2015-09-28 2021-11-17 三菱鉛筆株式会社 ブラシの製造方法
CN105496002B (zh) * 2015-12-02 2018-01-02 上海力玛赫机电制造有限公司 刷毛与手柄围框连接的方法、装置及采用该方法制成的刷子
KR102143857B1 (ko) * 2018-09-12 2020-08-12 (주)해미르 칫솔 제조방법
KR20220125940A (ko) 2021-03-08 2022-09-15 주식회사 제이앤케이헬스앤뷰티 칫솔

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1042954A (ja) * 1996-08-08 1998-02-17 Lion Corp 剛毛束の溶融方法
JPH1052316A (ja) * 1996-08-12 1998-02-24 Lion Corp ブラシの製造方法
JP2001286343A (ja) * 2000-04-05 2001-10-16 Lion Corp 歯ブラシ
JP2004024756A (ja) * 2002-06-28 2004-01-29 Lion Corp 口腔清掃用具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1042954A (ja) * 1996-08-08 1998-02-17 Lion Corp 剛毛束の溶融方法
JPH1052316A (ja) * 1996-08-12 1998-02-24 Lion Corp ブラシの製造方法
JP2001286343A (ja) * 2000-04-05 2001-10-16 Lion Corp 歯ブラシ
JP2004024756A (ja) * 2002-06-28 2004-01-29 Lion Corp 口腔清掃用具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11540621B2 (en) 2017-07-12 2023-01-03 Koninklijke Philips N.V. Brush head arrangements

Also Published As

Publication number Publication date
KR20120056311A (ko) 2012-06-04
CN102791165A (zh) 2012-11-21

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