EP1173081A1 - Brosse a dents - Google Patents

Brosse a dents

Info

Publication number
EP1173081A1
EP1173081A1 EP00922648A EP00922648A EP1173081A1 EP 1173081 A1 EP1173081 A1 EP 1173081A1 EP 00922648 A EP00922648 A EP 00922648A EP 00922648 A EP00922648 A EP 00922648A EP 1173081 A1 EP1173081 A1 EP 1173081A1
Authority
EP
European Patent Office
Prior art keywords
bristle
bundles
bed
length
bristles
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.)
Granted
Application number
EP00922648A
Other languages
German (de)
English (en)
Other versions
EP1173081B1 (fr
Inventor
Peter Wülknitz
Susanne Heddergott
Rüdiger VETTER
Yvette Kosmetatou
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1173081A1 publication Critical patent/EP1173081A1/fr
Application granted granted Critical
Publication of EP1173081B1 publication Critical patent/EP1173081B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0292—Bristles having split ends
    • 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
    • A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously

Definitions

  • the invention relates to a toothbrush consisting of a brush head with bristle bundles arranged in an elongated bristle bed and a handle which is connected to the bristle bed via a connecting part, the bristle bundles having a length which varies in the longitudinal direction of the bristle bed.
  • EP 0 619 711 B1 therefore discloses a sinusoidal profile of the bristle bundles of a toothbrush running in the longitudinal direction of the bristle bed, in which the points of maximum amplitude essentially coincide with the gaps formed between the teeth of the user. All bristles have rounded ends to prevent damage to teeth and gums from sharp edges. This improves the cleaning performance in the interdental area because the raised bristles can penetrate better into the recesses between the teeth.
  • the object of the invention is to develop a toothbrush with improved cleaning performance, in particular for the interdental spaces, but also for the gumline.
  • first bristle bundles are arranged on the two outer sides of the bristle bed, spliced bristle ends and have essentially the same length and that second bristle bundles are arranged between the two outer sides of the bristle bed, one have a wave-like length in the longitudinal direction of the bristle bed.
  • the gumline Due to the outer first bristle bundle with spliced bristle ends, the gumline is stressed considerably less, so that the user is not afraid to brush with increased pressure, so that a thorough cleaning of the outside of the teeth and especially the interdental spaces is achieved by means of the wave-shaped inner bristles .
  • the spliced bristle ends of the outside bristle bundles clean the gumline particularly gently and thoroughly due to the large number of fine filament ends and distribute the toothpaste particularly effectively on the surface of the tooth and gums.
  • What is essential in the invention is therefore the combination of inner bristles with a wave-like varying length with outer bristles, the ends of which are frayed, that is to say spliced.
  • the first and the second bristle bundles consist of the same or a comparable material, namely of high-quality plastics, in particular of nylon 66 or the like.
  • the diameter of the bristles (filaments) is preferably 0.1 to 0.25 mm, in particular 0.15 to 0.225 mm.
  • Each bristle bundle comprises 40 to 60 bristles, 20 to 30 bristles being preferred in the so-called anchor method.
  • the upper ends of the outer first bristle bundles are arranged above the lowest ends of the inner second bristle bundles.
  • the upper ends of the outer first bristle bundles exceed the highest ends of the inner (short) second bristle bundles by at most 1 mm and in particular extend at most to the highest ends of the inner (long) bristle bundles.
  • the external bristles are short enough to allow the internal bristles to work to clean the interdental areas and the outside of the teeth. If the outer bristles were too long, a "stilt effect” would occur, so that the ends of the inner bristles would no longer have any contact with the outside of the teeth and in particular with the interdental spaces.
  • the outer bristles are long enough to prevent the inner bristles from coming into contact with the gum line.
  • outer bristles with such a minimum length limit the "troughs" formed by the inner bristles, so that the toothpaste applied to the inner bristles is available for longer to improve cleaning performance and does not leave the bristle field as quickly as with conventional toothbrushes.
  • the splicing depth of the outer first bristle bundle is up to 4 mm, in particular up to 2 mm. It is also advantageous if 5 to 10 external bristle bundles are provided per row of bundles.
  • the inner second bristle bundles preferably have a length (cutting height), measured from the base of the bristle to the ends, of 8 to 14 mm, in particular 9 to 12.5 mm. To achieve a particularly good cleaning performance, it is proposed that the difference in length of the second bristle bundle is 1 to 2 mm. In contrast to the spliced ends of the first bristles, the ends of the second bristles are not spliced, but are rounded in order to ensure additional security against injury to the gums.
  • the inner second bristle bundles are arranged in rows running transversely to the longitudinal axis of the bristle bed, 1 to 2 rows of bristle bundles with short bristles, in particular with the same bristle length, with 1 to 2 rows of bristle bundles with long bristles, in particular with same bristle length, alternate.
  • the area of the short bristles, measured in the longitudinal direction of the bristle bed between the adjacent long bristles, should have a length of 6 to 10 mm.
  • the distance between the centers of adjacent bristle bundles, measured at the bristle base, should be 1.5 to 3.5 mm, in particular 2.0 to 3.0 mm. With this distance, such a flexibility of the bristle bundles is achieved when brushing the teeth, which further improves the cleaning performance. It is also preferred that 20 to 30 inner bristle bundles, in particular 23 to 28 bristle bundles, are provided.
  • the ergonomics of the toothbrush is also important for a good cleaning result. This applies in particular to the cleaning of the teeth in the back of the mouth, i.e. the cheek and wisdom teeth.
  • the connecting part between the bristle bed and the handle which is also called the web, should therefore have a diameter of no more than 10 mm.
  • a web with an oval cross section is preferred, the longer axis lying in the plane of the bristle bed and should have a length of 5 to 7 mm.
  • the shorter axis perpendicular to it advantageously has a length of 4 to 6 mm.
  • the ratio of the long to the short axis should be about 1.1 to 1.5 to 1. Since the longer axis lies in the plane of the bristle bed, lateral deflection of the bristle bed when brushing the teeth is hindered, but it is easier for the bristle bed to give way perpendicularly to this plane, so that excessive pressure on the toothbrush is compensated for.
  • the connecting part (the web) can taper from the handle attachment to the attachment of the bristle bed up to 60% of the original diameter.
  • the angle between the bristle bed and the web, on the one hand, and the handle, on the other hand, should be 3 ° to 10 °, in particular 5 ° to 9 °, in terms of the ergonomics of the toothbrush, so that in particular the molars can be reached much more easily.
  • the plane formed by the bristle bed, the web and the handle is preferably perpendicular to the plane of the bristle bed.
  • FIG. 1 shows a top view of a toothbrush according to the invention
  • FIG. 2 shows a side view of the toothbrush according to FIG. 1,
  • FIG. 3 shows an enlarged top view of the bristle bed of the toothbrush according to FIGS. 1 and 2 and equipped with bristles
  • FIG. 4 shows a section IV-IV in FIG. 3.
  • the toothbrush consists in a known manner essentially of four parts, namely an elongated flat bristle bed 1, which is equipped with 40 bristle bundles 2, 3, 4 and is connected to the handle 6 via a connecting part (web) 5.
  • the connecting part 5 which is integral with the bristle bed 1 and is injection-molded from plastic is anchored within the handle 6 which is injection-molded from a transparent plastic.
  • the angle already mentioned between the bristle bed 1 and the web 5 on the one hand and the handle 6 on the other hand can be seen clearly in FIG.
  • the bristle bundles are only shown schematically there, by the way.
  • the height of the bristle bundles 2, 3, 4 made of polyamide and their arrangement on the bristle bed 1 can best be seen from FIGS. 3 and 4.
  • the inner long bristle bundles (second bristle bundles) 3 are dashed in Figure 3, the inner short bristle bundles (second bristle bundles) 4 with a small circle and the outer spliced bristle bundles (first bristle bundles) 2 with a zigzag line.
  • the length differences of the bristle bundles are particularly clear in Figure 4.
  • the outer bristle bundles 2 protrude in this illustration beyond the front short bristle bundles 4 and are therefore visible at all in FIG. 4.
  • the ends of the outer bristles are spliced with a splice depth of approximately 1 mm. It is also important that the area of the short bristle bundles 4, measured in the longitudinal direction of the bristle bed 1 between the adjacent long bristle bundles 3, has a length a of 8 mm (FIG. 3).
  • the bristle bundles 2, 3, 4 are anchored in bores 8 which have a diameter of 1.7 mm and a distance of 2.5 mm measured from center to center of adjacent bristle bundles.
  • Bristle bed outer bristle bundle outer bristle bundle, first bristle bundle inner long bristle bundle, second bristle bundle inner short bristle bundle, second bristle bundle connecting part (bridge) handle bristle base hole

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne une brosse à dents comprenant une tête avec des faisceaux de poils (2,3,4) disposés sur un banc de poils oblong (1) et un manche (6) relié au banc de poils (1) par l'intermédiaire d'une partie de jonction (5). Les faisceaux de poils (3,4) présentent une longueur variant en ondulations dans le sens longitudinal du banc de poils (1). De premiers faisceaux de poils (2) sont disposés sur les deux faces extérieures du banc de poils (1) et présentent des extrémités de poils épissés et ont sensiblement la même longueur. De seconds faisceaux de poils (3,4) sont disposés entre les deux faces extérieures du banc de poils (1) et présentent une longueur variant en ondulations dans le sens longitudinal du banc de poils (1). Cette brosse à dents présente une meilleure capacité de nettoyage, notamment pour les espaces interdentaires, mais également pour la limite gingivale.
EP00922648A 1999-04-28 2000-04-19 Brosse a dents Expired - Lifetime EP1173081B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19919196A DE19919196C1 (de) 1999-04-28 1999-04-28 Zahnbürste
DE19919196 1999-04-28
PCT/EP2000/003535 WO2000065954A1 (fr) 1999-04-28 2000-04-19 Brosse a dents

Publications (2)

Publication Number Publication Date
EP1173081A1 true EP1173081A1 (fr) 2002-01-23
EP1173081B1 EP1173081B1 (fr) 2003-11-19

Family

ID=7906078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00922648A Expired - Lifetime EP1173081B1 (fr) 1999-04-28 2000-04-19 Brosse a dents

Country Status (17)

Country Link
US (1) US6810550B1 (fr)
EP (1) EP1173081B1 (fr)
JP (1) JP2004506452A (fr)
KR (1) KR20020005014A (fr)
CN (1) CN1164221C (fr)
AT (1) ATE254415T1 (fr)
AU (1) AU749875B2 (fr)
CA (1) CA2372050A1 (fr)
CZ (1) CZ20013853A3 (fr)
DE (2) DE19919196C1 (fr)
ES (1) ES2211534T3 (fr)
HK (1) HK1043519B (fr)
HU (1) HU225548B1 (fr)
NO (1) NO20015256D0 (fr)
PL (1) PL350449A1 (fr)
SK (1) SK285786B6 (fr)
WO (1) WO2000065954A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7886397B2 (en) * 2003-03-03 2011-02-15 L'oreal S.A. Applicator and application device including the applicator
USD645252S1 (en) 2008-08-15 2011-09-20 Mcneil-Ppc, Inc. Toothbrush
USD658885S1 (en) 2008-09-30 2012-05-08 Mcneil-Ppc, Inc. Toothbrush handle
ES2642315T3 (es) 2010-11-22 2017-11-16 Braun Gmbh Cepillo dental
WO2012151259A1 (fr) 2011-05-02 2012-11-08 Water Pik, Inc. Brosse à dents sonique à entraînement mécanique
CA3187603A1 (fr) 2013-03-15 2014-09-18 Water Pik, Inc. Pointe de brosse comprenant des structures de transfert du mouvement et de fixation
US9468511B2 (en) 2013-03-15 2016-10-18 Water Pik, Inc. Electronic toothbrush with vibration dampening
KR20150136466A (ko) * 2013-04-01 2015-12-07 라이온 가부시키가이샤 칫솔
EP2918191B1 (fr) 2014-03-11 2024-01-24 The Procter & Gamble Company Tête pour un instrument de soin buccal
USD780458S1 (en) * 2015-01-16 2017-03-07 Radius Corporation Toothbrush
CN205568226U (zh) 2015-07-08 2016-09-14 洁碧有限公司 刷牙装置
US10561480B2 (en) 2016-05-09 2020-02-18 Water Pik, Inc. Load sensing for oral devices
EP3251548B1 (fr) 2016-06-03 2024-02-14 The Procter & Gamble Company Filament pour un instrument de soins buccaux et ledit instrument
EP3251550B1 (fr) * 2016-06-03 2020-01-01 The Procter and Gamble Company Tête pour un instrument de soins buccaux et instrument pour soins buccaux
USD844997S1 (en) 2016-12-15 2019-04-09 Water Pik, Inc. Toothbrush handle
CN110267622B (zh) 2016-12-15 2021-08-13 洁碧有限公司 带有照亮特征的刷洗设备
USD845636S1 (en) 2016-12-15 2019-04-16 Water Pik, Inc. Toothbrush handle
EP3381321A1 (fr) * 2017-03-31 2018-10-03 The Gillette Company LLC Tête pour un instrument d'hygiène buccale, instrument d'hygiène buccale et procédé de fabrication d'une telle tête
US10251470B1 (en) 2017-10-10 2019-04-09 The Procter & Gamble Company Head for an oral care implement and oral care implement
US11219302B2 (en) 2017-10-10 2022-01-11 The Procter & Gamble Company Head for an oral care implement and oral care implement

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US74560A (en) * 1868-02-18 Improved tooth-bkush
US2797424A (en) * 1954-10-20 1957-07-02 Olson Alfred Toothbrush
DE1213909B (de) * 1963-12-13 1966-04-07 Philips Patentverwaltung Anordnung zur Zuendung gittergesteuerter Gasentladungsroehren oder steuerbarer Halbleiterzellen mittels Impulse
US3188673A (en) * 1964-03-04 1965-06-15 Prophylactic Brush Co Toothbrush
US3295156A (en) * 1965-04-14 1967-01-03 Colgate Palmolive Co Toothbrush
US3624667A (en) * 1970-04-01 1971-11-30 Indiana University Foundation Toothbrush
GB2092437A (en) 1981-02-06 1982-08-18 Wu William Biltun Toothbrushes and dental hygiene kit
US4672706A (en) * 1985-12-27 1987-06-16 Stratford Laboratories Toothbrush
ES2074496T3 (es) 1990-05-31 1995-09-16 Boucherie Nv G B Dispositivo para cortar cerdas de cepillos de dientes a distintas longitudes en distintas zonas elegidas de un modelo de haz.
US5305489A (en) * 1990-08-28 1994-04-26 Lage Gregg L Ergonomic topographic toothbrush
DE4138777C2 (de) 1991-11-26 2003-06-18 Zahoransky Anton Gmbh & Co Verfahren und Vorrichtung zum Bearbeiten profilierter Borstenfelder
US5165761A (en) * 1991-12-30 1992-11-24 The Procter & Gamble Company Method of making improved toothbrush having multi-level tufts with substantially uniformly rounded bristle ends in each tuft
BR9302945A (pt) 1993-07-21 1995-03-01 Johnson & Johnson Dispositivo para a separação seletiva de cerdas de uma escova de dentes e dispositivo para o corte seletivo de cerdas de uma escova de dentes
JP2002512540A (ja) * 1997-03-06 2002-04-23 スミスクライン・ビーチャム・コンシューマー・ヘルスケア・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 歯ブラシ
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AU9327398A (en) * 1997-12-22 1999-07-15 Johnson & Johnson Consumer Companies, Inc. Toothbrush and method of making the same
US6496999B1 (en) * 2000-02-02 2002-12-24 John O. Butler Company Toothbrush with bristle configuration adapted for cleaning tooth surfaces and interproximal areas

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Also Published As

Publication number Publication date
CN1164221C (zh) 2004-09-01
HUP0200857A2 (en) 2002-11-28
CA2372050A1 (fr) 2000-11-09
DE50004504D1 (de) 2003-12-24
NO20015256L (no) 2001-10-26
HU225548B1 (en) 2007-03-28
PL350449A1 (en) 2002-12-16
NO20015256D0 (no) 2001-10-26
DE19919196C1 (de) 2000-12-14
CZ20013853A3 (cs) 2002-06-12
HK1043519B (zh) 2005-03-18
US6810550B1 (en) 2004-11-02
AU4296600A (en) 2000-11-17
WO2000065954A1 (fr) 2000-11-09
HK1043519A1 (en) 2002-09-20
KR20020005014A (ko) 2002-01-16
ES2211534T3 (es) 2004-07-16
JP2004506452A (ja) 2004-03-04
SK15492001A3 (sk) 2002-04-04
SK285786B6 (sk) 2007-08-02
AU749875B2 (en) 2002-07-04
EP1173081B1 (fr) 2003-11-19
CN1349389A (zh) 2002-05-15
ATE254415T1 (de) 2003-12-15

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