EP1890570A2 - Tete de brosse a dents et son procede de production - Google Patents

Tete de brosse a dents et son procede de production

Info

Publication number
EP1890570A2
EP1890570A2 EP06743117A EP06743117A EP1890570A2 EP 1890570 A2 EP1890570 A2 EP 1890570A2 EP 06743117 A EP06743117 A EP 06743117A EP 06743117 A EP06743117 A EP 06743117A EP 1890570 A2 EP1890570 A2 EP 1890570A2
Authority
EP
European Patent Office
Prior art keywords
film
toothbrush head
film strips
strips
strip
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
EP06743117A
Other languages
German (de)
English (en)
Other versions
EP1890570B1 (fr
Inventor
Uwe Bielfeldt
Silvia Olt
Ulrich STÖRKEL
Frank Gliemroth
Ralph Macho
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 EP1890570A2 publication Critical patent/EP1890570A2/fr
Application granted granted Critical
Publication of EP1890570B1 publication Critical patent/EP1890570B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0207—Bristles characterised by the choice of material, e.g. metal
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0238—Bristles with non-round cross-section

Definitions

  • the present invention relates to a toothbrush head with a plurality of substantially stem-shaped, elastic cleaning elements, which are fastened to a plaster element carrier preferably combined to form tufts and protrude from this.
  • the invention further relates to a method for producing such a toothbrush head.
  • the bristles or tufts directed mechanical properties.
  • the bristle tuft heads can only be trimmed in a limited number of shapes, or more complicated head shapes of the bristle tufts are difficult to achieve.
  • the heads of the bristles themselves can only be rounded regularly.
  • WO 01/12013 A1 discloses a toothbrush and a method for the production thereof in which the filaments serving as bristles are first glued or welded in series with their base sections on a band. By rolling the tape with the attached bristles a bristle tuft is generated, the then attached to a bristle carrier. It is advantageous here that targeted properties of the resulting bristle tufts can be achieved by stringing different length and / or different solid bristles. However, it is also difficult in this case to obtain ultimately actually directed mechanical properties of the bristle tuft; in particular, the mechanical properties of the bristles themselves can not be changed in a direction-oriented manner in the desired manner.
  • the present invention has the object to provide an improved toothbrush head and an improved method for its production, avoid the disadvantages of the prior art and further develop the latter in an advantageous manner.
  • a simple producible toothbrush head is to be created, the cleaning elements and Putzettibüscheln the desired direction-dependent different mechanical properties can be given in a simple manner.
  • toothbrush head according to claim 1.
  • stated object is achieved by a method according to claim 20.
  • Preferred embodiments of the invention are the subject of the dependent claims.
  • the present invention proposes to use as cleaning elements film strips, which are made by a suitable separating forming process from a sheet of film.
  • Such film strips can be given the desired mechanical, in particular directional properties by suitable choice of the starting film, in particular its thickness and material composition, as well as a suitable choice of the geometry.
  • a thin film material can be used as the starting material for the production of the film strip and a blank can be given to the film strip that the individual cleaning elements have a rectangular cross section whose length is preferably a multiple of its width.
  • a film having a thickness in the range of 10 .mu.m to 500 .mu.m, preferably about 50 .mu.m to 250 .mu.m can be used as a starting material.
  • the film strips are preferably made of such a film in a strip width which corresponds at least ten times, preferably at least fifty times, the thickness of the film.
  • foil strips can be produced with a strip width of 1 to 5 mm.
  • cleaning elements consisting of film strips, more particularly their rectangular cross-section with a large ratio of its length to its width in comparison with conventional bristles with round cross-section in the improved toothpaste order on the teeth to be cleaned.
  • the abrasive elements of the toothpaste due to the convex base surfaces of conventional bristles relatively quickly outside the cleaning range of bristle tufts, the flat or sheet film strips can hold the toothpaste and its abrasive elements better and longer at the top of the Tutzettischels and thus wipe over the tooth surface to be cleaned, which is beneficial for plaque removal.
  • the production of film strips from a foil sheet can fall back on various separating forming process.
  • the film strips are punched out of the film sheet.
  • cutting methods such as laser cutting can also be used in the production of the film strips.
  • cuts can be made in the starting film with the aid of cutting tools and in this way individual cleaning elements in the form of film strips can be produced from the originally coherent film.
  • the advantage of this method lies in the simple production process, but in this case no arbitrarily shaped structures can be produced.
  • the plaster elements can be given a variety of forms on their the tooth surface processing heads.
  • the heads of the film strips have a plurality of tips, whereby the cleaning effect of the individual plaster Elements can not be significantly improved, since their cleaning effect emanates mainly from the tips.
  • the cleaning elements are made of a plastic film.
  • they can be made of a multilayer film.
  • the cleaning elements can also be formed from a mixture of plastic and another non-plastic material, in particular a plastic-paper mixed film, a so-called plastic paper blend.
  • plastic paper blends in which the paper content can be variably adjusted, in particular the ability of the paper for receiving various liquids, especially water can be used.
  • such applicators can also be applied to the film strips by means of a surface coating, which is simpler in the case of films as starting form for the cleaning elements than when using individual filaments or bristles.
  • the film strips can be arranged individually on the cleaning element carrier and attached thereto.
  • the cleaning elements consisting of film strips are combined into tufts and fastened in tufts together on the plaster element carrier.
  • at least some of the combined to form a tuft cleaning elements are connected to each other at its base, preferably integrally formed integrally with each other, the cleaning elements are then attached with their interconnected base to the cleaning element carrier.
  • the film strip tufts may be formed by stacking a plurality of such film strip assemblies joined together by a common base.
  • a foil tuft By joining the stacked base sections, for example by means of gluing or joining by heating with infrared light or by welding, a foil tuft can be formed in a simple manner. It is particularly advantageous that also foil strips made of different starting films with different material properties can be stacked on each other in order to control the properties of the foil strip tuft targeted. Also, film strips with different geometries and / or orientations can be stacked on one another in order to control the mechanical properties of the resulting film strip tuft.
  • alternating foil strip tapes with foil strips inclined towards the left can be stacked over foil strip tapes with film strips inclined to the right, so that a high bending stiffness results in both cleaning directions.
  • the individual rows of film strips with the film strips can be arranged in rows lying one above the other offset from one another, resulting in a very dense plaster element arrangement.
  • film strips of different height and / or different width and / or different thickness can be stacked on top of each other.
  • the attachment of the film strips in particular summarized to foil strip tufts on the plaster element carrier can basically be done in various ways.
  • the foil strips can be stuffed with its base into a recess in the cleaning element carrier and anchored there by means of an armature element extending transversely over the base section of the respective foil strips.
  • the corresponding anchoring element can be shot into the plaster element carrier so that its end sections extend into the walls of the plaster element carrier surrounding the recess and are fixed there.
  • This type of attachment may be particularly advantageous if in the aforementioned manner film associations with juxtaposed film strips which are integrally connected to one another at its base, are used.
  • the respective anchor element can here extend transversely over the band-shaped base portion of the foil strip row.
  • the film strips can also be attached to the plaster element carrier in a materially bonded manner, in particular cast into it.
  • the film strips combined into foil strip tufts can be introduced with their base sections into the corresponding injection mold before the cleaning element carrier is injection-molded.
  • the introduced into the injection mold material encloses the base portions of the film strips so that they are poured. It may be particularly advantageous if in the einzugannoenden base portions of the film strips recesses are introduced, which are filled when pouring into the cleaning element carrier of the casting material, so that in addition to the force or material connection also a positive connection is made.
  • FIG. 1 is a schematic side view of a toothbrush head according to a first embodiment of the invention, showing the arrangement of the cleaning strips in the form of film strips,
  • FIG. 1 is a plan view of the brush head of Fig. 1,
  • FIG. 3 is a schematic fragmentary side view of a toothbrush head according to a further preferred embodiment of the invention, showing the arrangement of the cleaning elements in the form of film strips,
  • FIG. 4 is a plan view of the toothbrush head of Fig. 3,
  • FIG. 5 shows a schematic side view of a toothbrush head according to a further embodiment of the invention, showing the arrangement of the cleaning strips in the form of film strips
  • 6 is a plan view of the brush head of FIG. 5
  • FIG. 7 shows a schematic side view of a toothbrush head according to a further embodiment of the invention, showing the arrangement of the cleaning strips in the form of foil strips,
  • FIG. 8 is a plan view of the brush head of FIG. 7,
  • FIG. 9 shows a schematic side view of a toothbrush head according to a further embodiment of the invention, showing the arrangement of the cleaning strips in the form of film strips,
  • FIG. 10 is a plan view of the brush head of FIG. 9,
  • FIG. 11 is an overall perspective view of a toothbrush with cleaning elements in the form of film strips, wherein the arrangement of the film strips is similar to FIG. 1,
  • FIG. 13 is a schematic perspective enlarged view of a cleaning element bundle formed from a plurality of rows of foil strips stacked one above the other, and FIG. 13
  • Fig. 14 is an enlarged partial plan view of a toothbrush head of a preferred embodiment of the invention, showing the arrangement of the individual foil strips in the cleaning tufts.
  • the toothbrush heads 1 shown in the figures basically consist of a cleaning element carrier 2, which may be injection molded from plastic, as well as a plurality of elongated, roughly bristle-shaped cleaning elements 3, all of which are fastened to the said cleaning element carrier 2 and protrude therefrom.
  • At least part of said cleaning elements 3 consists of film strips 4, which are fastened with their base to the cleaning element carrier 2 and project from it.
  • the film strips 4 are all formed elastically, but advantageously formed by their geometry and their material structure with different mechanical properties in different directions.
  • the film strips 4 are combined in a similar manner as in conventional toothbrushes to Putzimplantationbüscheln.
  • a Tutzimplantationbüschel 5 with the head of the toothbrush inclined foil strip, a centrally arranged Tutzimplantationbüschel 6 with perpendicularly spaced from the cleaning element carrier 2 foil strip and a Tutzimplantationbüschel 7 with the back to the stem 8 of the toothbrush inclined Foil strips provided.
  • a total of four rows of Putzettischeln are provided, wherein in the illustrated embodiment, each row 9, 10, 11 and 12 consists of the aforementioned three groups of different inclined Tutzimplantationbüschel.
  • the cleaning elements tufts 5, 6 and 7 each consist of stacked film strips. More specifically, each foil tuft 5, 6 and 7 consists of a plurality of stacked film strip assemblies 13, as exemplified by Fig. 12 shows. A plurality of film strips 4 are arranged in a row lined up and connected integrally with their base portion 14 integrally with each other.
  • the film strip association 13 forms, as it were, a comb, from the base section 14, lined up in succession, a multiplicity of film strips 4 protrude.
  • These film strip assemblies 13 can be produced in particular by punching or cutting from a film sheet which serves as starting material, wherein in the aforementioned manner various films such as multilayer composite films comprising plastic layers and paper layers can be used.
  • a plurality of the foil strip bandages 13 shown in FIG. 12 are stacked on top of each other and connected to each other at the base portion 14. This can be done, for example, non-positively by gluing or cohesively by welding. Alternatively or additionally, a stacking of the film strips 4 also take place in that a film strip association 13, as shown in FIG. 12, is folded or wound up, so that several film strips come to lie one above the other.
  • geometrically identically shaped film strips 4 can be superimposed congruently in different ways and / or geometrically identically formed film strips in the longitudinal direction of the base portion 14 and / or stacked in the longitudinal direction of the film strips 4 stacked one above the other be and / or geometrically differently formed film strips 4 are stacked. It is also possible to stack film strips 4 with different material properties on top of each other in order to determine the mechanical properties of the film strip tuft in different directions optionally different.
  • the film strips 4 After the film strips 4 are stacked in the manner mentioned above and connected to each other, they can be fixed in the manner described above to the cleaning element carrier 2, in particular by pouring, encapsulation, but also by a conventional per se anchor plug method.
  • the film strips 4 of each film strip tufts 5, 6 and 7 are each stacked congruently one above the other.
  • the film strips 4 differ in their orientations from film strip tufts to film strip tufts, in the same film strip tufts 5, 6 or 7, the film strips 4 have the same geometric configuration and are stacked congruently one above the other.
  • three film strip assemblies 13 per film strip tuft 5, 6 or 7 can be stacked on top of each other.
  • the film strips 4 may advantageously be punched or cut at their free end with two tips 15 and 16, whereby the cleaning effect can be noticeably improved.
  • the toothbrush head 1 comprises external cleaning tufts 5, 6 and 7, which form each cleaning element tufts rows 9 and 10 (see Fig .. 6). Between these two Tutzimplantationbüschel Holo 9 and 10 conventional bristle tufts 17 are attached to the cleaning element carrier 2.
  • the Tutzensebüschel consisting of film strips 4 5, 6 and 7 are characterized in this embodiment by their different geometry and, where appropriate, different material properties.
  • curved film strips 4 are arranged, which are curved towards the head of the toothbrush.
  • the centrally arranged film strip tufts 6 consist of vertically projecting film strips 4 of small width (compare Fig. 5).
  • the foil strips 4 arranged towards the stem 8, which form the foil tuft 7, have a considerably greater width.
  • they are each provided with a plurality of tips 15, 16.
  • the film strip tufts 5, which consist of film strips 4, are distributed in a star shape on the plaster element carrier 2, wherein each film strip tuft 5 as a whole has a rectangular cross section.
  • Each film strip tuft 5 is in this case constructed in the manner described above from a plurality of film strip assemblies 13 connected in series with one another film strips connected by a common base portion 14, which were stacked on top of each other.
  • the film strips 4 may be arranged offset to one another, so that a dense packing of film strip 4 is formed.
  • a bristle tufts 17 of conventional bristles or filaments In the center of the star-shaped Folienbüschelanord- tion sits a bristle tufts 17 of conventional bristles or filaments.
  • the cleaning elements 3 formed from film strips 4 may have a considerably shorter length than the conventional tufts 17.
  • the film strip 4 By punching the film strips 4 made of plastic or composite film, the film strip 4 can be given almost any shape, as shown in FIG. 9.
  • the film strip tufts 5 lying at the head of the rendering element carrier 2 consists here of film strips 4 with a serrated contour, while the film strip tuft 6 arranged on the strip 8 is formed of film strips 4 with film strips 4 tapering towards the tip approximately volcanically.
  • a plurality of film strip assemblies 13 are stacked on top of each other.

Abstract

La présente invention concerne une tête de brosse à dents comprenant une pluralité d'éléments de nettoyage élastiques en forme de tiges qui sont fixés à un support d'éléments de nettoyage, de préférence, par touffes et en saillie sur ce support. L'invention concerne également un procédé de production d'une telle tête de brosse à dents. Selon l'invention, on utilise comme éléments de nettoyage aucun poil ou filament classique ayant, comme forme initiale, des fibres de matière plastique régulières qui sont coupées à la longueur nécessaire des poils et sont réunies en touffes. A la place de ces poils ou filaments aux propriétés mécaniques identiques non orientées, c'est-à-dire dans toutes les directions transversales à l'axe longitudinal, l'invention propose d'utiliser comme éléments de nettoyage des bandes de films qui sont réalisées dans une feuille de film par séparation appropriée du procédé de transformation. On peut obtenir de telles bandes de films aux propriétés mécaniques, notamment orientées souhaitées par le choix approprié du film initial, notamment son épaisseur et sa composition de matériau ainsi que le choix approprié de la géométrie. L'invention permet notamment d'obtenir de manière simple des bandes de films ayant différentes propriétés mécaniques comme l'effort de flexion, l'élasticité, la force de rappel, la courbe de flexion etc dans différentes directions transversales à son axe longitudinal.
EP06743117A 2005-06-16 2006-06-07 Tete de brosse a dents et son procede de production Not-in-force EP1890570B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005027981A DE102005027981A1 (de) 2005-06-16 2005-06-16 Zahnbrüstenkopf sowie Verfahren zu seiner Herstellung
PCT/EP2006/005404 WO2006133832A2 (fr) 2005-06-16 2006-06-07 Tete de brosse a dents et son procede de production

Publications (2)

Publication Number Publication Date
EP1890570A2 true EP1890570A2 (fr) 2008-02-27
EP1890570B1 EP1890570B1 (fr) 2012-06-06

Family

ID=37246458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06743117A Not-in-force EP1890570B1 (fr) 2005-06-16 2006-06-07 Tete de brosse a dents et son procede de production

Country Status (10)

Country Link
US (1) US20090151101A1 (fr)
EP (1) EP1890570B1 (fr)
CN (1) CN101198265A (fr)
BR (1) BRPI0612044A2 (fr)
CA (1) CA2612499A1 (fr)
DE (1) DE102005027981A1 (fr)
DK (1) DK1890570T3 (fr)
ES (1) ES2386459T3 (fr)
RU (1) RU2007146774A (fr)
WO (1) WO2006133832A2 (fr)

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
US20090113648A1 (en) * 2007-11-07 2009-05-07 Vaynberg Victoria Brush with an internal compartment
US8185999B2 (en) * 2008-06-20 2012-05-29 Colgate-Palmolive Company Oral care implement having tissue cleaning elements with directional cleaning
US8776302B2 (en) 2008-08-29 2014-07-15 Colgate-Palmolive Company Oral care implement
USD654696S1 (en) 2009-12-18 2012-02-28 Colgate-Palmolive Company Toothbrush handle with tissue cleaner
US8863345B2 (en) * 2009-12-18 2014-10-21 Colgate-Palmolive Company Oral care implement having a closed-loop arrangement of cleaning elements
USD654270S1 (en) 2009-12-18 2012-02-21 Colgate-Palmolive Company Toothbrush handle
USD675830S1 (en) 2009-12-18 2013-02-12 Colgate-Palmolive Company Toothbrush
USD654695S1 (en) 2009-12-18 2012-02-28 Colgate-Palmolive Company Toothbrush
EP2797551A1 (fr) * 2011-12-27 2014-11-05 Koninklijke Philips N.V. Embout buccal de nettoyage des dents, composé de couches alternées de composants de base et de soies
USD724324S1 (en) * 2012-06-20 2015-03-17 Braun Gmbh Toothbrush head with tongue cleaner
CN105768527A (zh) * 2014-12-29 2016-07-20 邹钰 一种高效清洁的牙刷
CN104522995B (zh) * 2014-12-29 2016-08-31 叶雨玲 一种高效的牙刷

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GB214701A (en) * 1923-01-19 1924-04-22 Morland Micholl Dessau Improvements in or relating to articles of or containing rubber as a substitute for bristles, fibres and the like, such as brushes, mats, floor coverings, grips and the like
US2171591A (en) * 1935-09-05 1939-09-05 Henry D Minich Brush
US2265102A (en) * 1940-05-21 1941-12-02 John L Grove Toothbrush
US2548255A (en) * 1947-01-06 1951-04-10 Edward P Cressler Single-use toothbrush
US2860011A (en) * 1953-03-25 1958-11-11 James F Dunn Method of making disposable tooth-brushes
GB9423421D0 (en) * 1994-11-19 1995-01-11 Smithkline Beecham Plc Novel device
US6041467A (en) * 1997-07-03 2000-03-28 Gillette Canada Inc. Toothbrush
US6210514B1 (en) * 1998-02-11 2001-04-03 Xerox Corporation Thin film structure machining and attachment
US5967617A (en) * 1998-03-02 1999-10-19 Zapanta; Gary Filament tape for cleaning and dental application
AU6775000A (en) 1999-08-17 2001-03-13 Gillette Canada Company Toothbrush and method for making a tuft of bristles usable in a toothbrush
ATE290804T1 (de) * 1999-09-20 2005-04-15 Kerrhawe Sa Bürste für die anwendung in der zahnrestauration
US6336242B1 (en) * 2000-03-15 2002-01-08 Chun-Lin Tseng Card type paper toothbrush
DE10164336A1 (de) * 2001-12-28 2003-07-17 Trisa Holding Ag Triengen Zahnbürste und Verfahren zur Herstellung einer solchen Zahnbürste
DE10212701B4 (de) * 2002-03-21 2015-05-13 Geka Gmbh Borste, Verfahren und Vorrichtung zu ihrer Herstellung sowie Borstenware
AR043336A1 (es) * 2003-01-20 2005-07-27 Glaxosmithkline Consumer Healt Cabeza de cepillo de dientes con cerdas triangulares y ondulantes

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Also Published As

Publication number Publication date
BRPI0612044A2 (pt) 2010-08-17
CN101198265A (zh) 2008-06-11
WO2006133832A2 (fr) 2006-12-21
CA2612499A1 (fr) 2006-12-21
WO2006133832A3 (fr) 2007-02-22
EP1890570B1 (fr) 2012-06-06
DK1890570T3 (da) 2012-09-10
DE102005027981A1 (de) 2006-12-28
ES2386459T3 (es) 2012-08-21
RU2007146774A (ru) 2009-06-20
US20090151101A1 (en) 2009-06-18

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