WO2017179812A1 - Filament en spirale et brosse à dents l'utilisant - Google Patents

Filament en spirale et brosse à dents l'utilisant Download PDF

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Publication number
WO2017179812A1
WO2017179812A1 PCT/KR2017/001955 KR2017001955W WO2017179812A1 WO 2017179812 A1 WO2017179812 A1 WO 2017179812A1 KR 2017001955 W KR2017001955 W KR 2017001955W WO 2017179812 A1 WO2017179812 A1 WO 2017179812A1
Authority
WO
WIPO (PCT)
Prior art keywords
spiral filament
monofilament
spiral
filament
teeth
Prior art date
Application number
PCT/KR2017/001955
Other languages
English (en)
Korean (ko)
Inventor
강기태
김성진
황소희
Original Assignee
비비씨 주식회사
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 비비씨 주식회사 filed Critical 비비씨 주식회사
Publication of WO2017179812A1 publication Critical patent/WO2017179812A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
    • A46B15/0069—Brushes fitted with a interdental devices, e.g. toothpick
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0238—Bristles with non-round cross-section
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0269—Monofilament bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0276—Bristles having pointed ends
    • 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

Definitions

  • the present invention relates to a spiral filament and a toothbrush using the same, and more particularly, to a spiral filament and a toothbrush using the same that can effectively remove the plaque between the teeth and between the teeth and the gums.
  • Plaque removal is important for maintaining healthy teeth. To effectively remove plaque, the bristles must reach all areas within the oral cavity, particularly with proper friction between the teeth and the bristles.
  • the filament constituting the general bristle is made of a synthetic resin monofilament in the shape of a rod having a circular cross section.
  • Such monofilaments are formed with smooth curved surfaces on the outer circumference thereof, and thus cannot obtain proper lateral friction when brushing teeth. In other words, when brushing teeth, effective friction force is generated only at the end of the monofilament.
  • the plaque formed on the surface of the tooth may be removed, but the plaque between the teeth and between the teeth and the gums is not easily removed. Therefore, people are brushed with excessive force, excessive brushing will stimulate the gums and cause gum disease. In particular, the force applied when brushing teeth deforms the bristles and lowers the cleaning power.
  • Korean Unexamined Patent Publication No. 2014-0109055 (2014.09.15.) Discloses bristles having a friction jaw formed on the surface of a monofilament to improve side frictional force.
  • the bristle is attached to the upper side of the conical shape is formed in contact with the teeth in the standing state to remove the foreign matter, and the friction jaw formed in the circumferential direction on the lower side of the conical shape to contact the teeth in the curved state
  • Unit formed with a plurality of secondary side brush to remove the foreign side brush to remove the foreign side while the main side brush to remove, and the cylindrical shape of the upper and lower light is connected to the main side brush, the friction jaw in the circumferential direction is formed and contact with the teeth in the bent state Contains brush heads.
  • the bristle of the above-described structure is improved in the side friction force due to a plurality of friction jaw formed along the unit bristle, it can be easily removed plaque of the interdental and alveolar.
  • foreign matters caught in the rubbing jaw is not easily removed, there is a risk of corruption, and due to the rubbing jaw is difficult to remove the moisture, there is a fear that the microorganism or bacteria breed.
  • the present invention has been made to solve the above-mentioned problems of the prior art, and an object thereof is to provide a spiral filament that can effectively remove plaque between teeth and between teeth and gums.
  • an object of the present invention is to provide a spiral filament that can improve the durability of the bristles do not easily open even if excessive force is applied when brushing teeth.
  • the present invention further provides a toothbrush using a spiral filament.
  • Spiral filament according to the present invention for achieving the above object is a monofilament constituting the bristle, the monofilament is a polygonal cross-sectional shape, has a twisted shape so that each corner of the polygon is spiral.
  • the monofilament may have a rectangular cross-sectional shape and may have a tapered shape in which the cross-sectional area decreases toward the end.
  • At least one of the edges of the monofilament may have a different color.
  • each corner of the polygon has a twisted shape to form a spiral
  • spiral grooves are repeated at regular intervals on the side of the filament. Therefore, when brushing teeth, the lateral frictional force is increased by the spiral groove, so that the plaque between the teeth and the teeth and between the teeth and the gums can be effectively removed.
  • the spiral filament of the present invention is twisted to form each corner spiral, even if excessive force is applied when brushing the teeth can be easily bent or open to improve the durability of the bristles.
  • FIG. 1 is a perspective view of a spiral filament according to an embodiment of the present invention.
  • FIG 2 is an enlarged view of a portion of a spiral filament according to an embodiment of the present invention.
  • 3 and 4 are enlarged pictures under a microscope of a portion of the spiral filament according to an embodiment of the present invention.
  • 5 and 6 are views showing a modification of the spiral filament according to an embodiment of the present invention.
  • the toothbrush 1 includes a head 20 into which the bristle 10 is planted, and a handle 30 serving as a handle.
  • the head 20 and the handle 30 are made of polypropylene, polyethylene, polyethylene terephthalate, polycyclohexylenedimethylene terephthalate, saturated polyester resin, polymethyl methacrylate, cellulose propionate, polyurethane, polyamide, ABS ( Acrylonitrile butadiene styrene).
  • a resin such as an elastomer (elastomer) is applied to the handle 30 partly or entirely, slippage can be prevented and gripping properties can be improved.
  • the bristle 10 is composed of a plurality of filaments 100 planted on the planting surface 22 of the head 20.
  • the filament 100 constituting the bristle 10 is planted in a bundle of bundles, as shown in Figure 1 can be planted in a circle, or can be planted in an oval, long hole, polygonal.
  • the filament 100 may be bent in a U shape and then fixed to the seedling surface 22 by a fixing piece (not shown) or directly to the seedling surface 22 through heat fusion.
  • the material of the filament 100 may be one or two or more selected from polybutylene terephthalate, polyethylene terephthalate, polytrimethylene terephthalate, and polycyclohexanedimethylene terephthalate.
  • the resin may be one or two or more selected from olefinic thermoplastic elastomers, styrene-based thermoplastic elastomers, and urethane-based thermoplastic elastomers.
  • the filament 100 of the polyterephthalate-based material described above is excellent in rigidity, thereby improving cleaning power, and the thermoplastic elastomer-based material is excellent in elasticity, thereby preventing gums from being damaged.
  • the filament 100 may be made of any one material of nylon resin, silicone resin, rubber resin, biodegradable resin.
  • the spiral filament 100 has a rectangular cross-sectional shape and has a twisted shape so that four corners spiral.
  • a spiral groove 110 is formed between each edge of the spiral filament 100, the spiral groove 110 is repeated at regular intervals along the spiral filament (100). At this time, the spiral filament 100 is formed with a length of 0.1 ⁇ 0.31mm.
  • the spiral groove 110 formed in the spiral filament 100 increases the lateral friction force so that the plaque between the teeth and the teeth and between the teeth and the gums can be effectively removed when brushing teeth.
  • the torsional stress of the spiral filament 100 absorbs the force applied when brushing the teeth to prevent the spiral filament 100 from easily bent or spread.
  • the cross-sectional shape of the spiral filament 100 is illustrated as a quadrangle, but is not necessarily limited thereto, and may be formed as a polygon including a triangle.
  • the spiral filament 100 of this embodiment is formed such that four corners are twisted 2 to 4 times (preferably 2.5 times) per cm (see FIGS. 3 and 4).
  • the torsion of the spiral filament 100 is less than two times, durability increases, but the plaque cannot be effectively removed, and when the torsion is more than four times, the removal efficiency of the plaque is excellent but the torsion limit is vulnerable to external force.
  • the spiral filament 100 may be tapered at an end portion thereof. That is, the cross-sectional area of the spiral filament 100 may be formed in a shape in which the cross-sectional area decreases toward the upper end and / or the lower end. At this time, the tapered length of the spiral filament 100 is preferably 4 ⁇ 12mm.
  • one end (or both ends) of the spiral filament 100 may be immersed in an alkaline or acidic solution and processed into a tapered form.
  • the spiral filament 100 may have a different color at least one of each corner of the rectangle.
  • the pigment is mixed into one corner of the spiral filament 100 to have a different color, the user may cause an aesthetic feeling.
  • the use of pigments that change color depending on temperature can stimulate children's curiosity and help them enjoy brushing their teeth.
  • the durability of the bristles composed of spiral filaments according to this embodiment was measured by the following method.
  • the bristles' durability is the wearing test that measures the filament's spread (A). That is, the toothbrush in which the spiral filament (100 in FIG. 1) according to the present embodiment was implanted was reciprocated at a rate of twice per second to a tooth-like unevenness, and then calculated by Equation 1 below. 1 is shown.
  • the spiral filament of Example 1 was made of polybutylene terephthalate and had a square cross section, and each corner was processed to be twisted 2.5 times per cm. At this time, the end of the spiral filament has a shape as shown in FIG.
  • the spiral filament of Example 2 was made of polybutylene terephthalate and had a square cross section, and each corner was processed to twist 2.5 times per cm. At this time, the end of the spiral filament has a tapered shape as shown in FIG.
  • the filament of Comparative Example 1 is a general filament having a cylindrical shape made of polybutylene terephthalate.
  • Example 1 10,000 0 20,000 1.3 50,000 10.2
  • Example 2 10,000 0 20,000 1.5 50,000 12.3
  • Comparative Example 1 10,000 0 20,000 18.2 50,000 42.6

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Brushes (AREA)

Abstract

La présente invention concerne un filament en spirale capable d'éliminer efficacement la plaque entre les dents et entre les dents et les gencives, et présentant une section transversale polygonale et étant formé de façon à être torsadé de telle sorte que chaque coin de sa forme polygonale présente une forme en spirale. Le filament en spirale de l'invention présente une forme dans laquelle chaque coin de sa forme polygonale est torsadé de 2 à 4 fois par centimètre, et au moins un des coins respectifs de sa forme polygonale est formé de façon à présenter une couleur différente. De plus, le filament en spirale présente une forme effilée dont la section transversale diminue progressivement en direction de sa partie d'extrémité.
PCT/KR2017/001955 2016-04-12 2017-02-22 Filament en spirale et brosse à dents l'utilisant WO2017179812A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0044706 2016-04-12
KR1020160044706A KR20170117258A (ko) 2016-04-12 2016-04-12 스파이럴 필라멘트 및 이를 이용한 칫솔

Publications (1)

Publication Number Publication Date
WO2017179812A1 true WO2017179812A1 (fr) 2017-10-19

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ID=60042148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/001955 WO2017179812A1 (fr) 2016-04-12 2017-02-22 Filament en spirale et brosse à dents l'utilisant

Country Status (2)

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KR (1) KR20170117258A (fr)
WO (1) WO2017179812A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11470957B2 (en) 2019-08-19 2022-10-18 The Procter & Gamble Company Cell of a brush making device
US11576482B2 (en) 2019-06-05 2023-02-14 The Procter & Gamble Company Head for an oral care implement and oral care implement
US11633037B2 (en) 2019-06-05 2023-04-25 The Procter & Gamble Company Head for an oral care implement and oral care implement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102197602B1 (ko) 2019-09-04 2020-12-31 주식회사 케이앤케이 이형 단면을 갖는 필라멘트 제조용 방사구금 및 이에 의해 제조된 필라멘트

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06233709A (ja) * 1991-12-17 1994-08-23 Hiroshi Takasugi 多角毛を植えた歯ブラシ
KR200429535Y1 (ko) * 2006-08-16 2006-10-24 (주)아모레퍼시픽 조립식 칫솔모 유닛을 가진 칫솔
KR20100118916A (ko) * 2009-04-29 2010-11-08 (주)실빅스 헬리칼 형상 항균성 칫솔모
JP2012229500A (ja) * 2011-04-25 2012-11-22 Toray Monofilament Co Ltd 歯ブラシ用毛材およびその製造方法、並びに歯ブラシ
KR20130089352A (ko) * 2012-02-02 2013-08-12 비비씨 주식회사 칫솔모 및 그를 이용한 칫솔

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06233709A (ja) * 1991-12-17 1994-08-23 Hiroshi Takasugi 多角毛を植えた歯ブラシ
KR200429535Y1 (ko) * 2006-08-16 2006-10-24 (주)아모레퍼시픽 조립식 칫솔모 유닛을 가진 칫솔
KR20100118916A (ko) * 2009-04-29 2010-11-08 (주)실빅스 헬리칼 형상 항균성 칫솔모
JP2012229500A (ja) * 2011-04-25 2012-11-22 Toray Monofilament Co Ltd 歯ブラシ用毛材およびその製造方法、並びに歯ブラシ
KR20130089352A (ko) * 2012-02-02 2013-08-12 비비씨 주식회사 칫솔모 및 그를 이용한 칫솔

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11576482B2 (en) 2019-06-05 2023-02-14 The Procter & Gamble Company Head for an oral care implement and oral care implement
US11633037B2 (en) 2019-06-05 2023-04-25 The Procter & Gamble Company Head for an oral care implement and oral care implement
US11470957B2 (en) 2019-08-19 2022-10-18 The Procter & Gamble Company Cell of a brush making device

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KR20170117258A (ko) 2017-10-23

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