EP0700259A1 - Head for a toothbrush - Google Patents
Head for a toothbrushInfo
- Publication number
- EP0700259A1 EP0700259A1 EP94915131A EP94915131A EP0700259A1 EP 0700259 A1 EP0700259 A1 EP 0700259A1 EP 94915131 A EP94915131 A EP 94915131A EP 94915131 A EP94915131 A EP 94915131A EP 0700259 A1 EP0700259 A1 EP 0700259A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- silver
- bristles
- separate means
- toothbrush
- toothbrush according
- 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
Links
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 holder and bristles fixed thereon, the brush part being provided with components as a material with an oligodynamic effect.
- Such a brush part is already known from DE 31 05 544 AI.
- the bristle carrier of this brush part is coated with a silver layer by means of an electro-galvanic process.
- the silvering of the bristle carrier is intended to prevent dirt from adhering and, above all, the formation of bacteria.
- 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 an 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, especially a growth-inhibiting or killing effect of heavy metal traces on microorganisms, the oligodynamic effect of the metals decreasing correspondingly according to the following series: cadmium - silver - brass - copper - mercury. Cadmium has the greatest, mercury the least oligodynamic effect. This oligodynamic effect is and was mainly 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 centers 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 introduced into the bore in a U-shape / curve and are held in the bores by inserting (inserting) the anchor plate.
- the bristles in the Bristle carriers can be fixed with anchor plates.
- 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 slowly between uses, so that this area acts as a source for the development of germs or applies to the accumulation and multiplication of bacteria.
- the oligodynamic effect of the material of the anchor plate 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 an upper content of approximately 70% and one Titanium content of about 30%.
- These alloys can be used without any problems for the production process and, in addition to the required addition of 500 m / mm 500 s / mm, 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 anchor wire and the oligodynamic effect by the silver coating. Because 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 the economical use of materials.
- the separate agents advantageously consist of silver with a degree of purity of more than about 99%, which ensures an extremely high oligodynamic effect.
- special treatment of the silver material e.g.
- the strength values and processing properties required for the process are achieved by cooling with nitrogen and the fixing of the bristles in the bristle carrier is made possible 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.
- FIG. 1 shows a brush part according to the invention in longitudinal section.
- Fig. 2 shows the brush part of FIG. 1 1m cross section.
- 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 by means of ready 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 being pulled 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. Then the anchor plate 30 is 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 and 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 in the areas 38, water collects during use, which rarely dries from one use of the toothbrush for the next use, these areas 38 are a source of bacteria.
- the anchor plates 30 Due to the material of the anchor plates 30, which is at least partially made of silver, silver ions dissolve on contact with the water during and after 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 which could possibly accumulate in the area of the bores 32 between or on the bristles 24. Due to the properties of the 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 detrimental 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 of a material with an oligodynamic effect, for example an anchor wire provided with a silver coating, and remains in the critical area between the bristles 24 or in despite the persistent moisture the areas 38 between the bristles 24 and the bores 32.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4317407A DE4317407C1 (en) | 1993-05-26 | 1993-05-26 | Brush part for a toothbrush |
DE4317407 | 1993-05-26 | ||
PCT/EP1994/001326 WO1994027467A1 (en) | 1993-05-26 | 1994-04-27 | Head for a toothbrush |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0700259A1 true EP0700259A1 (en) | 1996-03-13 |
EP0700259B1 EP0700259B1 (en) | 1997-06-11 |
Family
ID=6488885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94915131A Expired - Lifetime EP0700259B1 (en) | 1993-05-26 | 1994-04-27 | Head for a toothbrush |
Country Status (11)
Country | Link |
---|---|
US (1) | US6009589A (en) |
EP (1) | EP0700259B1 (en) |
JP (1) | JPH08511180A (en) |
AT (1) | ATE154212T1 (en) |
AU (1) | AU6649394A (en) |
CA (1) | CA2163367C (en) |
DE (2) | DE4317407C1 (en) |
DK (1) | DK0700259T3 (en) |
ES (1) | ES2105709T3 (en) |
HK (1) | HK1000345A1 (en) |
WO (1) | WO1994027467A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999055194A1 (en) * | 1998-04-24 | 1999-11-04 | F.A. Rueb Holding Gmbh | Method for producing a plastic toothbrush |
US6957468B2 (en) | 2001-05-12 | 2005-10-25 | Braun Gmbh | Toothbrush head with anchor-free bristle tufting |
US20180096753A1 (en) * | 2015-06-05 | 2018-04-05 | Leoni Kabel Gmbh | Data cable |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69621338T2 (en) * | 1995-06-12 | 2002-11-14 | Moll Ind Inc | BRUSH WITH IMPROVED BRISTLE RESTRAINT AND ANCHORING WIRE THEREFOR |
EP0888072B1 (en) * | 1996-06-27 | 1999-12-08 | M + C SCHIFFER GmbH | Brushes and process for producing the same |
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 (en) * | 1998-11-02 | 2004-04-15 | Hofmann, Raimund, Dipl.-Ing. | Brush part for electric toothbrush |
US6447293B1 (en) * | 1999-08-13 | 2002-09-10 | Water Pik, Inc. | Drive mechanism for interproximal flossing device |
DE10015062B4 (en) * | 2000-03-25 | 2010-05-12 | Braun Gmbh | Brush head and method of making such a brush head |
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 |
AU2002320505A1 (en) | 2001-07-12 | 2003-01-29 | Water Pik, Inc. | Dual motor oral hygiene device |
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 (en) * | 2005-03-11 | 2007-01-09 | 권영준 | Toothbrush with pressure relief device and manufacturing method thereof |
BRPI0710643A2 (en) * | 2006-04-07 | 2011-08-23 | Procter & Gamble | oral treatment regimens and kits |
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 (en) | 2008-03-06 | 2009-11-06 | 이하우 | Manufacturing method of flat wire for fixing toothbrush and flat wire for fixing toothbrush thereof |
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 |
WO2012151259A1 (en) | 2011-05-02 | 2012-11-08 | Water Pik, Inc. | Mechanically-driven, sonic toothbrush |
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 |
KR102358287B1 (en) | 2013-03-15 | 2022-02-08 | 워터 피크 인코포레이티드 | Mechanically driven, sonic toothbrush and water flosser |
USD764804S1 (en) | 2013-11-05 | 2016-08-30 | Colgate-Palmolive Company | Oral care implement |
CN105744856B (en) | 2013-11-05 | 2018-04-20 | 高露洁-棕榄公司 | Oral care implement |
USD749855S1 (en) | 2013-11-05 | 2016-02-23 | Colgate-Palmolive Company | Oral care implement |
USD751295S1 (en) | 2013-11-05 | 2016-03-15 | Colgate-Palmolive Company | Oral care implement |
MX2016005474A (en) | 2013-11-05 | 2016-08-03 | Colgate Palmolive Co | Oral care implement. |
WO2015069221A1 (en) | 2013-11-05 | 2015-05-14 | Colgate-Palmolive Company | Oral care implement |
US11291293B2 (en) | 2014-12-23 | 2022-04-05 | Colgate-Palmolive Company | Oral care implement |
RU2656207C1 (en) * | 2014-12-23 | 2018-05-31 | Колгейт-Палмолив Компани | Oral care device |
CN205568226U (en) | 2015-07-08 | 2016-09-14 | 洁碧有限公司 | Device of brushing teeth |
US10561480B2 (en) | 2016-05-09 | 2020-02-18 | Water Pik, Inc. | Load sensing for oral devices |
USD844997S1 (en) | 2016-12-15 | 2019-04-09 | Water Pik, Inc. | Toothbrush handle |
AU2017378474B2 (en) | 2016-12-15 | 2022-06-02 | Water Pik, Inc. | Brushing device with illumination features |
USD845636S1 (en) | 2016-12-15 | 2019-04-16 | Water Pik, Inc. | Toothbrush handle |
IT202000003446A1 (en) * | 2020-02-20 | 2021-08-20 | Fimm Italia S P A | MECHANICAL FASTENING SYSTEM OF FIBER BLADES IN BRUSHES, BROOMS OR SIMILAR WITHOUT THE USE OF METALLIC ELEMENTS. |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US423506A (en) * | 1890-03-18 | Brush | ||
US2130244A (en) * | 1936-03-18 | 1938-09-13 | Nishio Torazo | Method of making a tooth brush |
US2289313A (en) * | 1938-07-14 | 1942-07-07 | Fuller Brush Co | Brush |
US2303470A (en) * | 1942-01-26 | 1942-12-01 | Toledo Automatic Brush Machine | Brush |
US3857134A (en) * | 1973-04-19 | 1974-12-31 | Ppg Industries Inc | Tufted style brush |
JPS5121043B2 (en) * | 1973-08-16 | 1976-06-30 | ||
IT1134586B (en) * | 1980-12-04 | 1986-08-13 | Renato Braga | TOOTHBRUSH WITH SILVER BRISTLE HEAD |
GB2135193B (en) * | 1983-02-17 | 1986-09-17 | Shiken Ltd | Dental hygiene device |
BE1000359A4 (en) * | 1987-03-03 | 1988-11-08 | Boucherie Nv G B | Drum for the introduction AND CONFIRM BRISTLES THROUGH ANCHOR PLATES. |
CN87101867A (en) * | 1987-03-09 | 1988-09-21 | 王龄 | Miniature ionic oral therapeutic device |
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 (en) * | 1991-01-19 | 1992-07-23 | Henkel Kgaa | ETHERSULFATES FOR MOUTH AND TOOTH CARE |
-
1993
- 1993-05-26 DE DE4317407A patent/DE4317407C1/en not_active Expired - Fee Related
-
1994
- 1994-04-27 DE DE59403128T patent/DE59403128D1/en not_active Expired - Fee Related
- 1994-04-27 WO PCT/EP1994/001326 patent/WO1994027467A1/en active IP Right Grant
- 1994-04-27 CA CA002163367A patent/CA2163367C/en not_active Expired - Fee Related
- 1994-04-27 AT AT94915131T patent/ATE154212T1/en not_active IP Right Cessation
- 1994-04-27 DK DK94915131.0T patent/DK0700259T3/en active
- 1994-04-27 AU AU66493/94A patent/AU6649394A/en not_active Abandoned
- 1994-04-27 EP EP94915131A patent/EP0700259B1/en not_active Expired - Lifetime
- 1994-04-27 JP JP7500146A patent/JPH08511180A/en active Pending
- 1994-04-27 ES ES94915131T patent/ES2105709T3/en not_active Expired - Lifetime
-
1996
- 1996-04-27 US US08/553,603 patent/US6009589A/en not_active Expired - Fee Related
-
1997
- 1997-10-07 HK HK97101902A patent/HK1000345A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9427467A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999055194A1 (en) * | 1998-04-24 | 1999-11-04 | F.A. Rueb Holding Gmbh | Method for producing a plastic toothbrush |
US6957468B2 (en) | 2001-05-12 | 2005-10-25 | Braun Gmbh | Toothbrush head with anchor-free bristle tufting |
US20180096753A1 (en) * | 2015-06-05 | 2018-04-05 | Leoni Kabel Gmbh | Data cable |
Also Published As
Publication number | Publication date |
---|---|
JPH08511180A (en) | 1996-11-26 |
ES2105709T3 (en) | 1997-10-16 |
EP0700259B1 (en) | 1997-06-11 |
DE4317407C1 (en) | 1994-08-18 |
DE59403128D1 (en) | 1997-07-17 |
AU6649394A (en) | 1994-12-20 |
ATE154212T1 (en) | 1997-06-15 |
US6009589A (en) | 2000-01-04 |
CA2163367A1 (en) | 1994-12-08 |
DK0700259T3 (en) | 1998-01-05 |
CA2163367C (en) | 2000-01-18 |
WO1994027467A1 (en) | 1994-12-08 |
HK1000345A1 (en) | 1998-03-06 |
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