EP2509463B1 - Zahnbürste - Google Patents

Zahnbürste Download PDF

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Publication number
EP2509463B1
EP2509463B1 EP10809185.1A EP10809185A EP2509463B1 EP 2509463 B1 EP2509463 B1 EP 2509463B1 EP 10809185 A EP10809185 A EP 10809185A EP 2509463 B1 EP2509463 B1 EP 2509463B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
elastomer
cleaning elements
head
zone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10809185.1A
Other languages
English (en)
French (fr)
Other versions
EP2509463A1 (de
EP2509463B8 (de
Inventor
Martin Vitt
Tilmann Winkler
Kathrin Schichtel
Kathi Ballmaier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
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
Priority claimed from DE200910057483 external-priority patent/DE102009057483A1/de
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP2509463A1 publication Critical patent/EP2509463A1/de
Application granted granted Critical
Publication of EP2509463B1 publication Critical patent/EP2509463B1/de
Publication of EP2509463B8 publication Critical patent/EP2509463B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/22—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier rubber bristles being fixed in or on brush bodies
    • 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
    • A46B15/0081—Brushes with a scraper, e.g. tongue scraper
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/005—Arrangements of the bristles in the brush body where the brushing material is not made of bristles, e.g. sponge, rubber or paper
    • 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
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1026—Gum massaging brush, i.e. specifically designed for massaging the gums

Definitions

  • toothbrushes include a head and a handle.
  • the head includes a plurality of bristle tufts which extend from a top surface of the head.
  • the bristle tufts generally consist of a plurality of filaments which are attached to the head in a suitable fashion.
  • some toothbrushes available on the market also provide elastomeric elements in an effort to achieve benefits such as gum massaging, tongue cleaning, etc.
  • the use of elastomers at various points on toothbrush heads is known.
  • the elastomer in toothbrushes can be provided at the bottom side of the head or the lateral surface as a soft surface.
  • US 2004/0025275 A1 discloses a toothbrush having an elongated head.
  • the head has a longitudinally central portion. Shelf-like protrusions extend laterally outwardly from each side of the central portion.
  • the shelf-like protrusions are covered with an elastomer and cleaning elements are flexibly mounted to the shelf-like protrusions.
  • WO 98/37788 discloses a toothbrush head comprising a substantially rigid base region adjoining a toothbrush neck and extending form a base end of the head to a resiliently flexible link situated between the base and a tip end of the head. A tip region extending between the tip end to the link is flexibly and resiliently linked at the link to the base region.
  • a toothbrush constructed in accordance with the present invention can facilitate the removal of plaque and/or undesired substances from the bristle field.
  • Foam removal, plaque removal, and/or undesired particle removal may be accomplished by utilization of lateral surfaces having a curvature that deviates from a straight line.
  • An elastomer region at the lateral surface can be provided either with a constriction or a flat portion or a convex curvature, and the provision of a section at the lateral surface that consists of hard plastic and that is provided with an outward bulge or a convex curvature can facilitate this removal.
  • second cleaning elements have second bristle tufts with a circular cross-section and/or elastomer cleaning elements.
  • first bristle tufts are designed to be longer than the second bristle tufts and/or that the first bristle tufts enclose the second bristle tufts or the elastomer cleaning elements.
  • the toothbrush head 1 made of hard material or of a first component 2 is provided with a lateral surface or an outside edge 3, which is interrupted by a single or several elastomer regions that can be designed as a constriction 4.
  • the constrictions in some embodiments, can be an overmolded soft material layer or a second component made of elastomer plastic 5.
  • the width b 1 of the constriction corresponds to 55%-85% of the width b 2 of the remaining widest outside edge line 6 of the head when viewed from above in the center 7 of the constriction.
  • a brush head 910 constructed in accordance with the present invention may comprise a pre-cleaning zone 900A adjacent a distal end 920 and a pre-cleaning zone 900A adjacent a proximal end 930.
  • a cleaning zone 900B may be disposed between the pre-cleaning zones 900A.
  • a gap 945 may be present between the pre-cleaning zones 900A and the cleaning zone 900B. This gap 945 may facilitate the removal of the foam 20 (shown in Figure 1 ) from the cleaning element field toward a constriction as described previously.
  • Cleaning elements 913 of an outer zone 900D may be positioned between a first set of cleaning elements 912 and a second set of cleaning elements 912.
  • the cleaning elements 913 may be oriented in any suitable shape. As shown, the cleaning elements 913 may be arranged such that the cleaning elements 913 form a diamond shape on the head 910. Within the diamond shape of the cleaning elements 913, cleaning elements 914 of a holding zone 900C may be disposed.
  • the cleaning elements 914 may similarly be configured in a diamond shape. As shown, the cleaning elements 913 and the cleaning elements 914 may be configured such that they form an outer diamond and an inner diamond shape. Additionally, the cleaning elements 913 may have a height which is less than the height of the cleaning elements 914.
  • a toothbrush head 1510 may comprise an elastomeric element described in Figures 12A-14B .
  • toothbrush head 1510 may comprise elastomeric element 1226C.
  • the elastomeric element 1226C may be disposed generally in a center of the brush head 1510.
  • the elastomeric element 1226C may be surrounded, at least in part, by a plurality of cleaning elements 1512.
  • the elastomeric element 1226C may have a height which is less than that of the cleaning elements 1512 such that a holding zone is created similar to zones 700D, 800D, and 900C.
  • a toothbrush head 1910 may comprise a plurality of cleaning elements which does not include an elastomeric elements arranged at an angle with respect to a longitudinal axis 29 of the head 1910.
  • the head 1910 may comprise a first plurality of cleaning elements 1928 attached in elongated openings of the head 1910 and can have various width to depth proportions. In horizontal cross-section, each of the first plurality of cleaning elements 1928 can be approximately rectangular.
  • the first plurality of cleaning elements 1728 can be arranged at an angle to a longitudinal axis of the head. In some embodiments, the first plurality of cleaning elements 1728 can form an angle delta of between 30 to 60 degrees with the longitudinal axis 29.
  • the soft plastic at the lateral surfaces 107 and 108 may also be the base for lateral soft massaging fingers 103, which are arranged adjacent to the bristle area.
  • Two pairs of massaging fingers 103 for massaging the gums can be provided on each side of the head.
  • the number of massaging fingers 103 can optionally vary.
  • the length of the massaging fingers 103 can be shorter than that of the adjacent bristles.
  • the neck and handle can be designed in any way. In one variant, the head, neck, and handle are each provided with a hard plastic component and at least one soft plastic component.
  • the shape of the head 100 is designed in such a way that the head 100 tapers with regard to the width both towards the free end 104 and the opposing end 105 that borders the neck 102.
  • a middle region 106 on the top side 2475 of the head 100 can be designed to have the greatest width.
  • the lateral surfaces 107 and 108 can be convexly curved.
  • the lateral surfaces 107, 108 comprise a hard plastic, then, in the base region of the first pair of massaging fingers 103 of soft plastic.
  • the lateral surfaces 107 and 108 may comprise hard plastic, and continuing in the direction of the neck, each lateral surface 107, 108 of the base region of each second pair of massaging fingers consists of soft plastic, and further in the direction of the neck follows again a hard plastic region at each lateral surface 107 and 108.
  • Hard and soft sections thus alternate repeatedly at each lateral surface 107, 108.
  • there are alternating sections at the lateral surfaces 107 and 108 which have slightly adhesive properties and distribute the toothpaste foam in the mouth, and regions along which the toothpaste foam is not transported as readily with the lateral surfaces. This may create an effect that is comparable to that achieved by means of constrictions, as shown in Figures 1 to 3 .
  • the nonlinear shape of the head 100 having convex bulges is likewise suitable to exert a positive influence on removing foam.
  • Figures 24C and 24D demonstrate that the free ends of the cleaning elements, with the exception of the protruding bristle tufts used for interdental cleaning 2400E and the recessed tufts in the toothpaste holding zone 2400C, form an approximately double concave curve along the longitudinal center axis 110.
  • the interruption of the topography of this double concave curve by protruding bristle tufts in the interdental zone 2400E increases the interdental cleaning effect because immediately adjacent tufts are especially short, making deep interdental penetration possible.
  • the toothbrush has: a toothbrush head having a first and a second component, at each of which cleaning elements are arranged for cleaning teeth, wherein the second component has a partly spherical or ball-shaped geometry, wherein each of the first and the second component has a flat top side at which the cleaning elements are arranged and both of these top sides are arranged to be inclined toward one another, wherein the second component is movably mounted relative to the first component, wherein of the first and the second component are made of material having different properties, in particular having different hardnesses, wherein the second component forms a raised platform relative to the top side of the first component.
  • An advantageous further design provides that the region of the lateral surface, which is arranged adjacent to the constriction, is provided with the hard component - and not with the elastomer.
  • An advantageous further design provides that the lateral surfaces are arranged along the longitudinal side of the toothbrush head, are convexly curved to the outside, and are provided with the hard component.
  • a further advantage of the constrictions is better removal of dirt particles that were taken up by the foam from the toothbrush bristle area. The convex curve adjacent to the constriction achieves that the dirt-binding foam is continuously removed from the brushing area, and dirt particles thus cannot damage the tooth during the ongoing brushing and polishing process.
  • An advantageous further design provides that the platform extends away vertically from the top side between 10% to 90%, in particular from 10 to 50%, in particular from 10 to 30% of the total longitudinal extension of the platform having elastomer cleaning elements. This leads to a positive wiping behavior of the cleaning elements and good producibility the same time.

Landscapes

  • Brushes (AREA)

Claims (5)

  1. Zahnbürste mit einem Zahnbürstenkopf (100; 910; 1010) mit einer Oberseite (2475), an der die Elemente (17A; 17B; 17C; 17D; 911; 912; 913; 914; 1011; 1012; 1013; 1014; 1017A; 1017B) zur Reinigung von Zähnen angeordnet sind, mit einer Unterseite (2476), die gegenüber der Oberseite (2475) angeordnet ist und die mit Seitenflächen (107; 108) die Oberseite mit der Unterseite verbindet, wobei mindestens eine Seitenfläche (107; 108) eine Krümmung aufweist, und wobei der Zahnbürstenkopf eine Elastomerkomponente (127; 129) und eine Hartplastikkomponente (126; 128; 130) aufweist, wobei die Oberfläche der Seitenfläche (107; 108), die die Krümmung aufweist, teilweise mit dem Elastomer und teilweise mit der harten Komponente bedeckt ist, und wobei jede Seitenfläche (107; 108) so konstruiert ist, dass harter Kunststoff (126), Elastomer (127), harter Kunststoff (128), Elastomer (129), und harter Kunststoff (130) abwechseln, wobei ein Elastomer-Zungenschaber (109) auf der Unterseite sich in einen Bereich mit Elastomer an der Seitenfläche (107; 108) und weiter in längliche Massagefinger (103; 17A; 17B; 17C; 17D; 1017A; 1017B) aus demselben Elastomer entwickelt.
  2. Zahnbürste nach Anspruch 1, dadurch gekennzeichnet, dass die Seitenflächen (107; 108) entlang der Längsseite des Zahnbürstenkopfes (100; 910; 1010) angeordnet sind und nach außen konvex gekrümmt oder mit einer Auswölbung versehen sind und mit einer Hartplastikkomponente versehen sind.
  3. Zahnbürste nach Anspruch 2, wobei der Bereich der Seitenflächen (107; 108), der an die konvexe Krümmung angrenzt, beidseitig mit Elastomer versehen ist.
  4. Zahnbürste nach mindestens einem der vorstehenden Ansprüche, wobei die Seitenflächen (107; 108) teilweise mit Elastomer (127; 129) und teilweise mit einer Hartplastikkomponente (126; 128; 130) über die gesamte Höhe, die sich von der Unterseite zur Oberseite (2475) erstreckt, versehen sind.
  5. Zahnbürste nach mindestens einem der vorstehenden Ansprüche, wobei die Seitenflächen (107; 108) einen Ausschnitt nahe der Oberfläche relativ zu der Hartplastikkomponente aufweisen, der mit dem Elastomer gefüllt ist.
EP10809185.1A 2009-12-10 2010-12-10 Zahnbürste Active EP2509463B8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200910057483 DE102009057483A1 (de) 2009-12-10 2009-12-10 Zahnbürste
DE102010051877 2010-11-22
PCT/IB2010/055759 WO2011070550A1 (en) 2009-12-10 2010-12-10 Toothbrush

Publications (3)

Publication Number Publication Date
EP2509463A1 EP2509463A1 (de) 2012-10-17
EP2509463B1 true EP2509463B1 (de) 2019-03-20
EP2509463B8 EP2509463B8 (de) 2019-09-04

Family

ID=44145163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10809185.1A Active EP2509463B8 (de) 2009-12-10 2010-12-10 Zahnbürste

Country Status (10)

Country Link
US (2) US20110219558A1 (de)
EP (1) EP2509463B8 (de)
KR (1) KR101424365B1 (de)
CN (1) CN102892328B (de)
AU (1) AU2010329479B2 (de)
CA (1) CA2784176C (de)
HK (1) HK1177120A1 (de)
IN (1) IN2012DN05090A (de)
MX (1) MX2012006557A (de)
WO (1) WO2011070550A1 (de)

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AU2014414812B2 (en) 2014-12-23 2018-07-19 Colgate-Palmolive Company Oral care implement
EP3622853B1 (de) 2014-12-23 2021-08-04 Colgate-Palmolive Company Mundpflegevorrichtung
US11291293B2 (en) 2014-12-23 2022-04-05 Colgate-Palmolive Company Oral care implement
EP3223658B1 (de) 2014-12-23 2022-09-07 Colgate-Palmolive Company Mundpflegevorrichtung
BR112017010946A2 (pt) 2014-12-23 2018-07-03 Colgate Palmolive Co instrumento para higiene bucal com cabo de múltiplos componentes
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EP3574799B1 (de) 2014-12-23 2021-03-17 Colgate-Palmolive Company Mundpflegevorrichtung
MX2017007842A (es) 2014-12-23 2017-09-19 Colgate Palmolive Co Implemento para el cuidado bucal con un mango de componentes multiples.
USD780457S1 (en) 2014-12-23 2017-03-07 Colgate-Palmolive Company Oral care implement
CN113197418A (zh) 2014-12-23 2021-08-03 高露洁-棕榄公司 口腔护理器具
MX2017007626A (es) 2014-12-23 2017-09-18 Colgate Palmolive Co Implemento para el cuidado bucal.
MY191767A (en) * 2015-01-29 2022-07-14 Lion Corp Toothbrush
CN104886916A (zh) * 2015-06-08 2015-09-09 马玉荣 一种汽车打蜡刷
US20170188696A1 (en) * 2015-12-31 2017-07-06 Landmann Usa Surface Cleaning Brush
USD799836S1 (en) * 2016-06-01 2017-10-17 The Gillette Company Llc Toothbrush
USD798062S1 (en) * 2016-06-01 2017-09-26 The Gillette Company Llc Toothbrush
USD818274S1 (en) * 2016-06-01 2018-05-22 The Gillette Company Llc Toothbrush
US9961988B2 (en) * 2016-07-25 2018-05-08 Felisa Wedlock Hair brush with dual shaped head for managing baby and mature hair
CA182564S (en) 2017-03-22 2018-08-23 Gillette Co Llc Toothbrush
USD882271S1 (en) * 2017-05-17 2020-04-28 The Gillette Company Llc Toothbrush head
KR101865043B1 (ko) * 2017-06-13 2018-06-07 류성민 칫솔
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US10631964B2 (en) 2017-12-12 2020-04-28 Colgate-Palmolive Company Oral care implement
US20200077781A1 (en) * 2018-09-06 2020-03-12 Dr Bobs Inc Tongue brush having bristles emanating from one surface and a tongue scraper emanating from an opposing surface
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USD960582S1 (en) 2020-12-10 2022-08-16 Colgate-Palmolive Company Oral care refill head

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WO2006071652A2 (en) * 2004-12-23 2006-07-06 Colgate-Palmolive Company Oral care implement

Also Published As

Publication number Publication date
HK1177120A1 (en) 2013-08-16
AU2010329479A1 (en) 2012-07-05
WO2011070550A1 (en) 2011-06-16
EP2509463A1 (de) 2012-10-17
MX2012006557A (es) 2012-10-09
US20110219558A1 (en) 2011-09-15
AU2010329479B2 (en) 2015-05-07
CN102892328B (zh) 2015-04-15
EP2509463B8 (de) 2019-09-04
CN102892328A (zh) 2013-01-23
IN2012DN05090A (de) 2015-10-09
CA2784176A1 (en) 2011-06-16
CA2784176C (en) 2016-02-02
KR20120081242A (ko) 2012-07-18
KR101424365B1 (ko) 2014-07-31
USD762391S1 (en) 2016-08-02

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