EP2198744A1 - Bristle tuft and toothbrush with bristle tuft - Google Patents
Bristle tuft and toothbrush with bristle tuft Download PDFInfo
- Publication number
- EP2198744A1 EP2198744A1 EP08022101A EP08022101A EP2198744A1 EP 2198744 A1 EP2198744 A1 EP 2198744A1 EP 08022101 A EP08022101 A EP 08022101A EP 08022101 A EP08022101 A EP 08022101A EP 2198744 A1 EP2198744 A1 EP 2198744A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bristles
- type
- tuft
- toothbrush
- bristle
- 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
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
- A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
- A46B15/001—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with means indicating the remaining useful life of brush
-
- 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
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
Definitions
- the invention relates to a bristle tuft for a toothbrush with a number of bristles of a first type and a number of bristles of a second type, wherein the bristles of the first type have a wear behavior that differs from the wear behavior of the bristles of the second kind.
- the invention further relates to a toothbrush with such a bristle tufts.
- bristle tufts known, which is formed of bristles with different diameters from each other.
- the cleaning effect of the toothbrush is to be improved, since thinner bristles can penetrate more easily into interdental spaces, while the thick bristles serve to clean the easily accessible tooth areas.
- each toothbrushes are known in which the bristles of the toothbrush consist of so-called indicator filaments.
- the indicator filaments have a colored area, and the use of the toothbrush causes the color in that colored area to change with continued use of the toothbrush.
- the change of color serves as an indicator of the wear of the toothbrush.
- the invention has for its object to provide a bristle tufts for toothbrushes, in which the wear of the toothbrush to the user is particularly clearly displayed.
- the bristles of the first type preferably have a different mechanical wear behavior than the bristles of the second type. This may be due to different bristle geometries, cross-sectional shapes or surface structuring. Also, the cross-sectional area of the bristles of the second type may be smaller than the cross-sectional area of the bristles of the first type.
- the mechanical change of the bristles of the second kind may be a deformation, wherein the deformation may be a bending of the bristles of the second kind.
- the free ends of the bristles of the second type may also have at least one predetermined breaking point, wherein the continuous mechanical stressing of the bristles of the second type causes splitting of the free ends of the bristles of the second type.
- the bristles of the second type can have a color-changeable wear indicator.
- Fig. 1a shows a first embodiment of a bristle tufts 1 in a perspective view.
- the bristle tufts 1 consists of a number of bristles, wherein a number of bristles of the first type 2 and a number of bristles of the second type 3 are present.
- the bristles of the first type 2 each have a color-changeable wear indicator 5 at the free end.
- the color-changeable wear indicator 5 is characterized essentially by the fact that the color of the wear indicator changes with continuous use of the toothbrush, so that upon reaching a predetermined color of the wear indicator, for example the color white, the user is signaled that the recommended service life of the wear indicator Toothbrush is reached, or the bristles are worn.
- the bristles of the second type 3 are arranged substantially in the inner region of the bristle tufts 1.
- the bristles of the second type 3 have a smaller cross-sectional area or diameter in relation to the bristles of the first type 2.
- the smaller diameter of the bristles 3 causes them to wear mechanically with increasing useful life of the toothbrush in a different way than the much thicker bristles first type 2.
- the mechanical wear causes, for example, that the bristles of the second type 3 towards the end of the recommended service life of Toothbrush bend.
- the user of the toothbrush hereby receives, in addition to the color indication of the wear indicator 5, a further indication of the end of the recommended service life of the toothbrush.
- Fig. 1b illustrates this in Fig. 1a shown bristle tufts 1 in cross section.
- the thick bristles of the first type 2 are arranged in the outer region of the tuft 1, while the thin bristles of the second type 3 are arranged in the inner region of the tuft 1.
- the arrangement of the bristles of the first type 2 and the bristles of the second type 3 in a tuft of bristles may also be deviating therefrom.
- the thick bristles 2 may be arranged so that they are surrounded by a number of thin bristles 3.
- a random arrangement of the thick bristles 2 and the thin bristles 3 within the bristle tufts 1 is possible.
- Fig. 2a shows a further embodiment of a bristle tufts 1.
- the bristle tufts 1 consists of a number of first bristles 2, each having a color wear indicator 5, as already in Fig. 1a shown, and a number of second bristles 4, which are arranged in the interior of the bristle tufts 1 and thus surrounded by the bristles 2 of the first kind.
- the bristles 4 of the second type also have a smaller diameter than the bristles 2 of the first kind.
- the bristles 4 of the second type are spliceable at the free end in the longitudinal direction.
- a bristle tufts 1 the user, as in the embodiment according to Fig. 1a ,
- the bristles of the first type 2 provided color-changeable wear indicators a first indication of the recommended end of the useful life.
- Another indication of the end of the recommended period of use is given to the user by the bristles 4 of the second type.
- the bristles of the second type 4 are designed such that the free end of these bristles splices towards the end of the recommended service life.
- Fig. 2b shows a cross section through the in Fig. 2a bristle tufts shown.
- the thin spliceable bristles 4 of the second type are here arranged so that they are surrounded by the thick bristles provided with color wear indicators 5.
- Another arrangement of the bristles of the first type 2 and the bristles 4 of the second type is also possible here.
- the bristles 4 of the second type are thinner in diameter than the bristles 2 of the first type. This makes it possible, in addition to the indication of the mechanical wear of the bristles 4 second type by splicing the free end of these bristles in addition to the display of wear, for example, by bending, as in the embodiment to Fig. 1a shown to provide.
- the diameter of the bristles of the second type 4 in the non-spliced state can also correspond to the diameter of the bristles 2 of the first type.
- a cross section through such a bristle tufts with spliceable bristles 4 of the second kind is shown in FIG Fig. 3 shown.
- Fig. 4a a further embodiment of a spliceable bristle 4 in cross-section, wherein the bristle has a substantially cloverleaf-shaped cross-sectional area.
- the upper part of the free end of the splittable bristle 4 essentially consists of three bristle segments 4a, 4b, 4c which are uniformly shaped in the longitudinal direction, wherein the three bristle segments are first firmly connected to one another in the longitudinal direction.
- the bristle 4 has at the top of three predetermined breaking points 6, to which the bristle 4 is splittable.
- the predetermined breaking points 6 are designed such that splicing takes place as close as possible to the end of the recommended service life of the toothbrush or the bristle frayes over time along the predetermined breaking points.
- Fig. 4b is the splittable bristle 4 off Fig. 4a in spliced condition shown in cross-section.
- the three bristle segments 4a, 4b, 4c have detached from each other along the predetermined breaking points 6.
- Fig. 5 is a splittable bristle 4 in the spliced state shown in a perspective view.
- the circular segment-shaped bristle segments 4a, 4b, 4c shown here have detached from one another along the predetermined breaking points and thus form clearly visible protruding tips of the bristle for the user of the toothbrush.
- the bristle tufts described can be used both in manual toothbrushes and in electric toothbrushes.
- the free ends of the bristles are rounded (not shown in the figures) in order to avoid injury to the gums during cleaning as possible.
Abstract
Description
Die Erfindung betrifft ein Borstenbüschel für eine Zahnbürste mit einer Anzahl von Borsten einer ersten Art und einer Anzahl von Borsten einer zweiten Art, wobei die Borsten erster Art ein Verschleißverhalten aufweisen das vom Verschleißverhalten der Borsten zweiter Art abweicht. Die Erfindung betrifft weiterhin auch eine Zahnbürste mit einem derartigen Borstenbüschel.The invention relates to a bristle tuft for a toothbrush with a number of bristles of a first type and a number of bristles of a second type, wherein the bristles of the first type have a wear behavior that differs from the wear behavior of the bristles of the second kind. The invention further relates to a toothbrush with such a bristle tufts.
Aus der
Aus der
Der Erfindung liegt die Aufgabe zugrunde, ein Borstenbüschel für Zahnbürsten bereitzustellen, bei welchem der Verschleiß der Zahnbürste dem Anwender besonders deutlich angezeigt wird.The invention has for its object to provide a bristle tufts for toothbrushes, in which the wear of the toothbrush to the user is particularly clearly displayed.
Die Lösung dieser Aufgabe gelingt mit einem Borstenbüschel der eingangs genannten Art, bei dem Borsten erster Art bei fortlaufender Benutzung einer Farbänderung und Borsten zweiter Art bei fortlaufender Benutzung einer sichtbaren mechanischen Veränderung unterliegen.The solution to this problem is achieved with a bristle tufts of the type mentioned, in the bristles of the first kind with continuous use of a color change and bristles second type subject to continuous use of a visible mechanical change.
Durch die Verwendung verschiedener Abnutzungsindikatoren innerhalb eines Borstenbüschels wird der Verschleiß noch deutlicher und genauer sichtbar. Das Ende der empfohlenen Nutzungsdauer der Zahnbürste kann dadurch dem Verwender der Zahnbürste noch präziser angezeigt werden. Zusätzlich wird verhindert, dass ein unterschiedliches Putzverhalten bzw. eine unterschiedliche Putztechnik die Anzeige des Verschleißes und damit auch das tatsächliche Ende der empfohlenen Nutzungsdauer verfälschen.The use of different wear indicators within a bristle tuft makes the wear even more visible and more visible. The end of the recommended service life of the toothbrush can thereby be displayed more precisely to the user of the toothbrush. In addition, it is prevented that a different cleaning behavior or a different cleaning technique distort the display of wear and thus the actual end of the recommended service life.
Vorzugsweise besitzen die Borsten erster Art ein anderes Verhalten bezüglich mechanischen Verschleißes als die Borsten zweiter Art. Dies kann durch unterschiedliche Borstengeometrien, -querschnittsformen oder Oberflächenstrukturierungen bedingt sein. Auch kann die Querschnittsfläche der Borsten zweiter Art kleiner sein als die Querschnittsfläche der Borsten erster Art.The bristles of the first type preferably have a different mechanical wear behavior than the bristles of the second type. This may be due to different bristle geometries, cross-sectional shapes or surface structuring. Also, the cross-sectional area of the bristles of the second type may be smaller than the cross-sectional area of the bristles of the first type.
Beispielsweise kann die mechanische Veränderung der Borsten zweiter Art eine Verformung sein, wobei die Verformung ein Verbiegen der Borsten zweiter Art sein kann. Es können jedoch die freien Enden der Borsten zweiter Art auch mindestens eine Sollbruchstelle aufweisen, wobei die fortlaufende mechanische Beanspruchung der Borsten zweiter Art ein Aufspleißen der freien Enden der Borsten zweiter Art bewirkt. Zusätzlich können die Borsten zweiter Art einen farblich veränderbaren Verschleißindikator aufweisen.For example, the mechanical change of the bristles of the second kind may be a deformation, wherein the deformation may be a bending of the bristles of the second kind. However, the free ends of the bristles of the second type may also have at least one predetermined breaking point, wherein the continuous mechanical stressing of the bristles of the second type causes splitting of the free ends of the bristles of the second type. In addition, the bristles of the second type can have a color-changeable wear indicator.
Weitere Merkmale, Anwendungsmöglichkeiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen, die in den Figuren dargestellt sind:
- Fig. 1a
- zeigt ein Borstenbüschel mit dicken Borsten erster Art mit farblichem Verschleißindikator und dünnen Borsten zweiter Art;
- Fig. 1b
- zeigt eine Draufsicht auf das Borstenbüschel nach
Fig. 1a ; - Fig. 2a
- zeigt ein Borstenbüschel mit dicken Borsten erster Art mit farblichem Verschleißindikator und dünnen aufspleißbaren Borsten zweiter Art;
- Fig. 2b
- zeigt eine Draufsicht auf das Borstenbüschel nach
Fig. 2a ; - Fig. 3
- zeigt eine alternative Variante eines Borstenbüschels nach
Fig. 2a in der Draufsicht, wobei die aufspleißbaren Borsten zweiter Art denselben Durchmesser aufweisen wie die Borsten erster Art; - Fig. 4a
- zeigt eine weitere Variante einer aufspleißbaren Borste im Querschnitt;
- Fig. 4b
- zeigt die aufspleißbare Borste nach
Fig. 4a im aufgespleißten Zustand; und - Fig. 5
- zeigt eine schematische Darstellung einer aufgespleißten Borste.
- Fig. 1a
- shows a bristle tufts with thick bristles of the first type with colored wear indicator and thin bristles of the second kind;
- Fig. 1b
- shows a top view of the bristle tuft after
Fig. 1a ; - Fig. 2a
- shows a bristle tufts with thick bristles of the first kind with colored wear indicator and thin spliceable bristles of the second kind;
- Fig. 2b
- shows a top view of the bristle tuft after
Fig. 2a ; - Fig. 3
- shows an alternative variant of a bristle tuft after
Fig. 2a in plan view, wherein the splittable bristles of the second type have the same diameter as the bristles of the first type; - Fig. 4a
- shows a further variant of a splittable bristle in cross section;
- Fig. 4b
- indicates the splittable bristle
Fig. 4a in spliced condition; and - Fig. 5
- shows a schematic representation of a spliced bristle.
Die Borsten zweiter Art 3 sind im Wesentlichen im inneren Bereich des Borstenbüschels 1 angeordnet. Die Borsten zweiter Art 3 weisen eine im Verhältnis zu den Borsten erster Art 2 geringere Querschnittsfläche bzw. Durchmesser auf. Der geringere Durchmesser der Borsten 3 führt dazu, dass sich diese bei zunehmender Nutzungsdauer der Zahnbürste mechanisch in anderer Weise abnutzen als die wesentlich dickeren Borsten erster Art 2. Die mechanische Abnutzung bewirkt beispielsweise, dass sich die Borsten zweiter Art 3 gegen Ende der empfohlenen Nutzungsdauer der Zahnbürste verbiegen. Der Benutzer der Zahnbürste erhält hiermit zusätzlich zur farblichen Anzeige des Verschleißindikators 5 einen weiteren Hinweis auf das Ende der empfohlenen Nutzungsdauer der Zahnbürste.The bristles of the
Durch die Verwendung unterschiedlicher Borsten in einem Borstenbüschel, welche jeweils auf unterschiedliche Art und Weise einem Verschleiß unterliegen, kann der Verschleiß der Borsten und damit die empfohlene Nutzungsdauer einer Zahnbürste dem Benutzer noch deutlicher und noch genauer angezeigt werden.By using different bristles in a bristle tufts, which in each case are subject to wear in different ways, the wear of the bristles and thus the recommended service life of a toothbrush can be displayed to the user even more clearly and more accurately.
Bei diesem Ausführungsbeispiel eines Borstenbüschels 1 erhält der Benutzer, wie auch im Ausführungsbeispiel nach
Der Durchmesser der Borsten zweiter Art 4 im nicht-aufgespleißten Zustand kann aber auch dem Durchmesser der Borsten 2 erster Art entsprechen. Ein Querschnitt durch ein derartiges Borstenbüschel mit aufspleißbaren Borsten 4 zweiter Art ist in
Während in den
In
In
Die beschriebenen Borstenbüschel sind sowohl in Handzahnbürsten als auch in elektrischen Zahnbürsten einsetzbar. Vorzugsweise sind die freien Enden der Borsten abgerundet (in den Figuren nicht dargestellt), um Verletzungen des Zahnfleischs beim Putzen möglichst zu vermeiden.The bristle tufts described can be used both in manual toothbrushes and in electric toothbrushes. Preferably, the free ends of the bristles are rounded (not shown in the figures) in order to avoid injury to the gums during cleaning as possible.
Claims (12)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08022101A EP2198744B1 (en) | 2008-12-19 | 2008-12-19 | Bristle tuft and toothbrush with bristle tuft |
US12/642,203 US8448286B2 (en) | 2008-12-19 | 2009-12-18 | Bristle tufts and toothbrush with bristle tufts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08022101A EP2198744B1 (en) | 2008-12-19 | 2008-12-19 | Bristle tuft and toothbrush with bristle tuft |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2198744A1 true EP2198744A1 (en) | 2010-06-23 |
EP2198744B1 EP2198744B1 (en) | 2011-11-09 |
Family
ID=40873763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08022101A Active EP2198744B1 (en) | 2008-12-19 | 2008-12-19 | Bristle tuft and toothbrush with bristle tuft |
Country Status (2)
Country | Link |
---|---|
US (1) | US8448286B2 (en) |
EP (1) | EP2198744B1 (en) |
Cited By (1)
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US11011080B2 (en) | 2015-05-13 | 2021-05-18 | Johannes Engl | Arrangement for indicating an intended end of the period of use of a textile product |
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EP2409598B1 (en) * | 2010-07-22 | 2018-09-26 | Braun GmbH | Method for producing a toothbrush head |
US9307827B2 (en) * | 2014-06-13 | 2016-04-12 | L'oreal | Replacement indicating workpiece |
US10021964B2 (en) | 2014-06-13 | 2018-07-17 | L'oreal | Replacement indicating brush |
CN107847043B (en) * | 2015-07-07 | 2020-06-16 | 高露洁-棕榄公司 | Oral care implement and monofilament bristles for use therewith |
WO2017182355A1 (en) * | 2016-04-20 | 2017-10-26 | Trisa Holding Ag | Brush product and method for the production thereof |
US10278485B2 (en) | 2016-09-01 | 2019-05-07 | Colgate-Palmolive Company | Oral care implement and filament therefor |
USD816274S1 (en) * | 2016-12-09 | 2018-04-24 | Ruben Eli Sanchez | Back scrubber |
CN106510881B (en) * | 2016-12-16 | 2018-05-04 | 广州薇美姿实业有限公司 | Brush for electric toothbrush replaces indicating means and the electric toothbrush with brushhead replacement instruction |
US10736413B2 (en) | 2017-07-31 | 2020-08-11 | L'oreal | Systems, devices, and methods of a self-activation use odometer for a skin care brush |
US11134771B2 (en) | 2019-05-06 | 2021-10-05 | L'oreal | Skin care brush systems having cleansing agent-infused elements |
EP3747309B1 (en) * | 2019-06-05 | 2023-12-06 | The Procter & Gamble Company | Head for an oral care implement and oral care implement |
EP4349214A2 (en) * | 2019-06-05 | 2024-04-10 | The Procter & Gamble Company | Head for an oral care implement and oral care implement |
EP3782510A1 (en) | 2019-08-19 | 2021-02-24 | The Procter & Gamble Company | Cell of a brush making device |
US11707130B2 (en) | 2019-12-26 | 2023-07-25 | L'oreal | Fluid-filled cleaning head |
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-
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DE19829943A1 (en) * | 1998-07-04 | 2000-01-05 | Coronet Werke Gmbh | Process for the manufacture of bristle articles and bristle articles produced thereafter |
US6496999B1 (en) * | 2000-02-02 | 2002-12-24 | John O. Butler Company | Toothbrush with bristle configuration adapted for cleaning tooth surfaces and interproximal areas |
GB2375705A (en) * | 2001-05-23 | 2002-11-27 | Mcneil Ppc Inc | Toothbrush with individually embedded bristles |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11011080B2 (en) | 2015-05-13 | 2021-05-18 | Johannes Engl | Arrangement for indicating an intended end of the period of use of a textile product |
Also Published As
Publication number | Publication date |
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US20100293734A1 (en) | 2010-11-25 |
US8448286B2 (en) | 2013-05-28 |
EP2198744B1 (en) | 2011-11-09 |
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