EP0700259B1 - Tete de brosse a dents - Google Patents

Tete de brosse a dents Download PDF

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Publication number
EP0700259B1
EP0700259B1 EP94915131A EP94915131A EP0700259B1 EP 0700259 B1 EP0700259 B1 EP 0700259B1 EP 94915131 A EP94915131 A EP 94915131A EP 94915131 A EP94915131 A EP 94915131A EP 0700259 B1 EP0700259 B1 EP 0700259B1
Authority
EP
European Patent Office
Prior art keywords
silver
toothbrush
bristles
separate means
approximately
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.)
Expired - Lifetime
Application number
EP94915131A
Other languages
German (de)
English (en)
Other versions
EP0700259A1 (fr
Inventor
Georges Driesen
Peter Hilfinger
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
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP0700259A1 publication Critical patent/EP0700259A1/fr
Application granted granted Critical
Publication of EP0700259B1 publication Critical patent/EP0700259B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • 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
    • A46B3/16—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by wires or other anchoring means, specially for U-shaped bristle tufts
    • 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 invention is based on a toothbrush with a brush part which has a bristle carrier and bristles fixed thereon, the brush part being provided with components made of a material with an oligodynamic effect.
  • Such a brush part is already known from DE 31 05 544 A1.
  • the bristle carrier of this brush part is coated with a silver layer by means of an electro-galvanic process before the bristles are inserted.
  • the silvering of the bristle carrier is intended to prevent dirt from adhering and, above all, to prevent bacteria from forming.
  • the disadvantage here is that the surface coating of the bristle carrier does not give rise to the desired germicidal effect of the silver in any case in the bristle section which is arranged in the bristle carrier. Due to the capillary action, moisture is practically always present there, which is very difficult to dry. In addition, silvering of the entire bristle carrier is costly and labor-intensive.
  • a toothbrush is also known from EP 0 357 852, in which the attachment area of the bristles is designed in such a way that ion flow can take place in this area.
  • the ion flow is generated by means of a battery housed in the toothbrush.
  • the invention is therefore based on the problem of further developing the known toothbrush in such a way that the toothbrush is essentially free of bacteria / germs and remains in use without additional manufacturing outlay.
  • Oligodynamics is generally understood to mean the effectiveness of the smallest amounts of metal ions, specifically a growth-inhibiting or killing effect of heavy metal traces on microorganisms, the oligodynamic effect of the metals decreasing in accordance with the following series: cadmium - silver - brass - copper - mercury. Cadmium has the greatest oligodynamic effect, mercury the least. This oligodynamic effect is and was primarily used for the disinfection and preservation of liquids, especially for the disinfection of drinking, bathing and process water. Silver and its compounds are particularly suitable. The silver ions, which are relatively difficult to dissolve on contact with water, attach themselves to the negative charge carriers of the bacterial cells as positive ions.
  • the separate means for fixing the bristles in bores of the bristle carrier are advantageously designed as anchor plates, in particular arranged approximately centrally between the bristles of a bristle tuft and anchored in regions of the bristle carrier adjacent to the bores.
  • the bristles are fixed in the bores by the anchor plates using a method known per se. In this method (see, for example, EP 0 289 059 B1), the bristle carriers of the toothbrushes are equipped with bristles using a tamping machine. The tufts of bristles are bent into a U-shape and inserted into the hole by inserting (inserting) the anchor plate into the hole.
  • the material the anchor plate acts directly in the particularly critical area of the toothbrush, in which the bacteria accumulate and multiply particularly easily, ie between the individual bristles in the bore. Due to the capillary action, the bristles in the area of the bore are completely wetted with water after and after use of the toothbrush, which can only dry out slowly between uses, so that this area acts as a focus for the development of germs or for the accumulation and multiplication of Bacteria applies.
  • the oligodynamic effect of the anchor plate material kills the bacteria in this area and thus ensures a germ-free brush.
  • the separate means consist of a material enriched with silver, preferably of a silver alloy with a silver content of more than about 70%.
  • the separate agents particularly advantageously consist of a silver-copper alloy with a silver content of approximately 90% to 97% and a copper content of approximately 10% to 3%, or a silver-titanium alloy with a silver content of approximately 70% and a titanium content of about 30%.
  • These alloys can be used without problems for the production process and, in addition to the required tensile strength of more than 500 N / mm 2, also have a sufficient oligodynamic effect.
  • the separate means are provided with a coating of essentially pure silver.
  • the separate means for example the armature wire, are galvanically provided with the silver coating, so that the procedural strength values of the material for the anchor plates are ensured by the base material of the armature wire and the oligodynamic effect by the silver coating.
  • the silver coating has a thickness of 5 to 50, in particular 5 to 20, micrometers, the desired oligodynamic effect of the silver is achieved, taking into account an economical use of materials.
  • the separate agents are advantageously made of silver with a purity of more than about 99%, which ensures an extremely high oligodynamic effect.
  • special treatment of the silver material e.g. cooling with nitrogen achieves the strength values and processing properties required for the process and enables the bristles to be fixed in the bristle carrier with an anchor plate made of silver.
  • the required strength values can also be achieved by cold working the anchor material.
  • the separate means consist of stainless steel or titanium. In addition to the required strength values, these materials also have an albeit weaker fungicidal and bactericidal action.
  • a brush part 20 for toothbrushes has bristles 24 which are arranged in a bristle carrier 22 individually or in the form of tufts of bristles 26.
  • the bristles of the bristle tufts 26 are each bent into a U-shape and inserted into a bore 32.
  • the bristle tufts 26 are fixed in the bores 32 via separate ones Means 28, which at least partially consist of silver and are preferably designed as anchor plates 30.
  • These anchor plates 30 are each arranged centrally in the U-shaped region 36 of the bristle tufts 26 and anchored, in particular clamped, in regions 34 which in each case adjoin the bores 32. The bristle tufts 26 are thus secured in their position against slipping out or pulling out.
  • the bristles 24 are inserted into the bores 32 in the bristle carrier 22 in a U-shaped manner by means of a tamping machine.
  • the anchor plate 30 is then inserted centrally into the bent bristle 24 or the bristle tuft 26. Areas 38 remain between the bristles 24 or the bristles 24 and the bore 32, which are not completely filled by the bristles 24 or tufts 26. Since, due to the capillary action between the individual bristles 24 or between the bristles 24 and the bores 32, water collects in the areas 38 during use, which only rarely dries from one use of the toothbrush for the next use, these areas 38 are a source for bacteria.
  • the anchor plate 30 Due to the material of the anchor plate 30, which is at least partially made of silver, silver ions dissolve on contact with the water during and after the use of the toothbrush. These silver ions impair the metabolism of the bacteria and lead to the death of the bacteria with the breakdown of the metabolism. In addition, these silver ions also have a fungicidal action, ie they also destroy molds that could possibly accumulate in the area of the bores 32 between or on the bristles 24. Due to the properties of silver that it is difficult to release ions in solution, there is a natural limitation of the number of ions in the solution, but this is sufficient for a bactericidal effect.
  • the solution does not have a harmful effect on the flora of useful bacteria present in the oral cavity, since the positive silver ions react almost completely with the negative ions of toothpaste or saliva.
  • the positive silver ions combine in part with the negative ions of the toothpaste or saliva to form silver salts, which precipitate out of the solution and are rinsed out of the oral cavity with the rinsing water while brushing the teeth.
  • the brush part 20 of the toothbrush is germ-free through the use of anchor plates 30 made from a material with an oligodynamic effect, for example from an anchor wire provided with a silver coating, and remains in spite of the persistent moisture in the critical area between the bristles 24 and in the areas 38 the bristles 24 and the holes 32.

Claims (9)

  1. Brosse à dents comprenant une partie de brosse (20), qui présente un support de poils (22) et des poils (24) fixés dessus, la partie de brosse (20) étant pourvue d'éléments en une matière à action oligodynamique, caractérisée en ce que, pour la fixation des poils (24) dans le support de poils (22), des moyens séparés (28) sont prévus et en ce que ces moyens séparés (28) sont constitués d'une matière à action oligodynamique.
  2. Brosse à dents suivant la revendication 1, caractérisée en ce que les moyens séparés (28) pour la fixation des poils (24) dans des trous (32) du support de poils (22), réalisés sous la forme de plaquettes d'ancrage (30), sont agencés en particulier approximativement au centre entre les poils (24) d'un faisceau de poils (26) et sont ancrés dans des zones (34) du support de poils (22) qui respectivement sont adjacentes aux trous (32).
  3. Brosse à dents suivant l'une des revendications 1 et 2, caractérisée en ce que les moyens séparés (28) sont constitués d'une matière enrichie en argent, de préférence d'un alliage à base d'argent présentant une fraction d'argent supérieure à environ 70 %.
  4. Brosse à dents suivant l'une des revendications précédentes, caractérisée en ce que les moyens séparés (28) sont constitués d'un alliage à base d'argent-cuivre présentant une fraction d'argent d'environ 90 % à 97 % et d'une fraction de cuivre d'environ 10 % à 3 % ou d'un alliage à base d'argent-titane présentant une fraction d'argent d'environ 70 % et une fraction de titane d'environ 30 %.
  5. Brosse à dents suivant l'une des revendications 1 et 2, caractérisée en ce que les moyens séparés (28) sont pourvus d'un revêtement d'argent sensiblement pur.
  6. Brosse à dents suivant la revendication 5, caractérisée en ce que le revêtement d'argent présente une épaisseur de 5 à 50 micromètres, en particulier de 5 à 20 micromètres.
  7. Brosse à dents suivant l'une des revendications 1 et 2, caractérisée en ce que les moyens séparés (28) sont constitués d'argent ayant un degré de pureté supérieur à environ 99 %.
  8. Brosse à dents suivant l'une des revendications 1 et 2, caractérisée en ce que les moyens séparés (28) sont constitués d'acier inoxydable ou de titane.
  9. Brosse à dents suivant l'une des revendications précédentes, caractérisée en ce que les moyens séparés (28) présentent une résistance à la traction d'environ 500 N/mm2 ou davantage.
EP94915131A 1993-05-26 1994-04-27 Tete de brosse a dents Expired - Lifetime EP0700259B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4317407 1993-05-26
DE4317407A DE4317407C1 (de) 1993-05-26 1993-05-26 Bürstenteil für eine Zahnbürste
PCT/EP1994/001326 WO1994027467A1 (fr) 1993-05-26 1994-04-27 Tete de brosse a dents

Publications (2)

Publication Number Publication Date
EP0700259A1 EP0700259A1 (fr) 1996-03-13
EP0700259B1 true EP0700259B1 (fr) 1997-06-11

Family

ID=6488885

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94915131A Expired - Lifetime EP0700259B1 (fr) 1993-05-26 1994-04-27 Tete de brosse a dents

Country Status (11)

Country Link
US (1) US6009589A (fr)
EP (1) EP0700259B1 (fr)
JP (1) JPH08511180A (fr)
AT (1) ATE154212T1 (fr)
AU (1) AU6649394A (fr)
CA (1) CA2163367C (fr)
DE (2) DE4317407C1 (fr)
DK (1) DK0700259T3 (fr)
ES (1) ES2105709T3 (fr)
HK (1) HK1000345A1 (fr)
WO (1) WO1994027467A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818553C1 (de) * 1998-04-24 1999-08-05 Rueb F A Holding Gmbh Verfahren zur Herstellung einer Zahnbürste aus Kunststoff
EP1138222A2 (fr) 2000-03-25 2001-10-04 Braun GmbH Tête de brosse et procédé pour la fabrication de cette tête de brosse

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ATE217770T1 (de) * 1995-06-12 2002-06-15 Moll Ind Inc Bürste mit verbesserte borstenrückhaltung und verankerungsdraht dafür
DE59603890D1 (de) * 1996-06-27 2000-01-13 Schiffer Fa M & C Bürste und verfahren zu deren herstellung
US6247354B1 (en) * 1998-05-13 2001-06-19 The United States Of America As Represented By The Secretary Of The Army Techniques for sensing the properties of fluids with resonators
DE19920471B4 (de) * 1998-11-02 2004-04-15 Hofmann, Raimund, Dipl.-Ing. Bürstenteil für elektrische Zahnbürste
US6447293B1 (en) * 1999-08-13 2002-09-10 Water Pik, Inc. Drive mechanism for interproximal flossing device
US20050008986A1 (en) * 2000-08-10 2005-01-13 Gary Sokol Multi-directional motion flosser
USD484311S1 (en) 2001-01-12 2003-12-30 Water Pik, Inc. Disposable toothbrush
US6735804B2 (en) 2001-01-12 2004-05-18 Conair Corporation Toothbrush bristle disk
US6581234B2 (en) 2001-04-02 2003-06-24 Jin Po Lee Dental brush unit comprising gear connections
DE10123258A1 (de) * 2001-05-12 2002-11-21 Braun Gmbh Zahnbürstenkopf
WO2003005924A2 (fr) 2001-07-12 2003-01-23 Water Pik, Inc. Dispositif d'hygiene buccale a deux moteurs
US6799346B2 (en) * 2002-01-04 2004-10-05 Atico International Usa, Inc. Toothbrush with oppositely reciprocating brush heads
USD487349S1 (en) 2002-02-01 2004-03-09 Water Pik, Inc. Dental device
US7198487B2 (en) * 2002-12-31 2007-04-03 Water Pik, Inc. Whitening tip for dental flossing device
US20050071940A1 (en) * 2003-10-02 2005-04-07 Colgate-Palmolive Company Toothbrush having a uniform, smooth and continuous wall of bristles
KR100666458B1 (ko) * 2005-03-11 2007-01-09 권영준 압력완화부재가 내장된 칫솔 및 그 제조방법
BRPI0710643A2 (pt) * 2006-04-07 2011-08-23 Procter & Gamble regimes e kits para tratamento bucal
US7897266B2 (en) * 2007-02-09 2011-03-01 Rovcal, Inc. Personal grooming device having a tarnish resistant, hypoallergenic and/or antimicrobial silver alloy coating thereon
KR100925228B1 (ko) 2008-03-06 2009-11-06 이하우 칫솔모 고정용 평선의 제조방법 및 이에 의한 칫솔모고정용 평선
US8402591B2 (en) * 2009-07-01 2013-03-26 Colgate-Palmolive Company Toothbrush having improved tuft retention and anchor wire
US8745804B2 (en) * 2009-08-27 2014-06-10 Steven Jaksha Stainless steel toothbrush with thermochromic display
ES2666363T3 (es) 2011-05-02 2018-05-04 Water Pik, Inc. Cepillo de dientes sónico accionado mecánicamente
US9827082B2 (en) 2013-02-26 2017-11-28 Orthoaccel Technologies, Inc. Fluoride releasing bite plate
US9468511B2 (en) 2013-03-15 2016-10-18 Water Pik, Inc. Electronic toothbrush with vibration dampening
CN107661153B (zh) 2013-03-15 2021-01-12 洁碧有限公司 机械驱动式声波牙刷和水牙线
MX2016005478A (es) 2013-11-05 2016-08-03 Colgate Palmolive Co Implemento para el cuidado bucal.
EP3057466B1 (fr) 2013-11-05 2018-04-11 Colgate-Palmolive Company Accessoire pour soins buccaux
USD749855S1 (en) 2013-11-05 2016-02-23 Colgate-Palmolive Company Oral care implement
USD764804S1 (en) 2013-11-05 2016-08-30 Colgate-Palmolive Company Oral care implement
USD751295S1 (en) 2013-11-05 2016-03-15 Colgate-Palmolive Company Oral care implement
WO2015069220A1 (fr) 2013-11-05 2015-05-14 Colgate-Palmolive Company Outil de soin buccal
MX2017007843A (es) * 2014-12-23 2017-09-19 Colgate Palmolive Co Implemento para el cuidado bucal.
US11291293B2 (en) 2014-12-23 2022-04-05 Colgate-Palmolive Company Oral care implement
DE102015210389A1 (de) * 2015-06-05 2016-12-08 Leoni Kabel Holding Gmbh Datenkabel
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
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
USD844997S1 (en) 2016-12-15 2019-04-09 Water Pik, Inc. Toothbrush handle
IT202000003446A1 (it) * 2020-02-20 2021-08-20 Fimm Italia S P A Sistema di fissaggio meccanico di ciuffetti di fibre in spazzole, scope o simili senza impiego di elementi metallici.

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NZ239172A (en) * 1990-08-16 1995-05-26 Johnson & Johnson Consumer Bristled article with tuft cavities having a lower portion cross-sectional area less than the cross-sectional area of an upper portion
DE4101515A1 (de) * 1991-01-19 1992-07-23 Henkel Kgaa Ethersulfate fuer mund- und zahnpflegemittel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818553C1 (de) * 1998-04-24 1999-08-05 Rueb F A Holding Gmbh Verfahren zur Herstellung einer Zahnbürste aus Kunststoff
WO1999055194A1 (fr) 1998-04-24 1999-11-04 F.A. Rueb Holding Gmbh Procede pour la fabrication d'une brosse a dents en plastique
EP1138222A2 (fr) 2000-03-25 2001-10-04 Braun GmbH Tête de brosse et procédé pour la fabrication de cette tête de brosse
DE10015062A1 (de) * 2000-03-25 2001-10-04 Braun Gmbh Bürstenkopf und Verfahren zur Herstellung eines solchen Bürstenkopfs
US6665901B2 (en) * 2000-03-25 2003-12-23 Braun Gmbh Brush head and method of manufacturing such a brush head
US6786558B2 (en) 2000-03-25 2004-09-07 Braun Gmbh Brush head and method of manufacturing such a brush head
DE10015062B4 (de) * 2000-03-25 2010-05-12 Braun Gmbh Bürstenkopf und Verfahren zur Herstellung eines solchen Bürstenkopfs

Also Published As

Publication number Publication date
HK1000345A1 (en) 1998-03-06
ES2105709T3 (es) 1997-10-16
CA2163367A1 (fr) 1994-12-08
WO1994027467A1 (fr) 1994-12-08
DE59403128D1 (de) 1997-07-17
AU6649394A (en) 1994-12-20
EP0700259A1 (fr) 1996-03-13
CA2163367C (fr) 2000-01-18
DE4317407C1 (de) 1994-08-18
US6009589A (en) 2000-01-04
JPH08511180A (ja) 1996-11-26
ATE154212T1 (de) 1997-06-15
DK0700259T3 (da) 1998-01-05

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