EP1593321A1 - Brush head - Google Patents

Brush head Download PDF

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Publication number
EP1593321A1
EP1593321A1 EP04010962A EP04010962A EP1593321A1 EP 1593321 A1 EP1593321 A1 EP 1593321A1 EP 04010962 A EP04010962 A EP 04010962A EP 04010962 A EP04010962 A EP 04010962A EP 1593321 A1 EP1593321 A1 EP 1593321A1
Authority
EP
European Patent Office
Prior art keywords
brush head
support ring
bristle
bristle bundle
elastic material
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
EP04010962A
Other languages
German (de)
French (fr)
Other versions
EP1593321B1 (en
Inventor
Hans Krämer
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.)
GlaxoSmithKline Consumer Healthcare GmbH and Co KG
Original Assignee
GlaxoSmithKline Consumer Healthcare GmbH and Co KG
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
Priority to ES04010962T priority Critical patent/ES2280859T3/en
Application filed by GlaxoSmithKline Consumer Healthcare GmbH and Co KG filed Critical GlaxoSmithKline Consumer Healthcare GmbH and Co KG
Priority to EP04010962A priority patent/EP1593321B1/en
Priority to AT04010962T priority patent/ATE352225T1/en
Priority to DE502004002768T priority patent/DE502004002768D1/en
Priority to PCT/EP2005/004959 priority patent/WO2005107522A1/en
Priority to US11/568,675 priority patent/US8069524B2/en
Priority to CN200580014335A priority patent/CN100581411C/en
Publication of EP1593321A1 publication Critical patent/EP1593321A1/en
Application granted granted Critical
Publication of EP1593321B1 publication Critical patent/EP1593321B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/08—Supports or guides for bristles
    • A46B9/12—Non-adjustable supports
    • 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
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
    • 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
    • A46B3/20—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed or joined in rubber bodies, e.g. in soft rubber

Definitions

  • the present invention relates to a brush head of a brush, in particular one Toothbrush, with a base support formed of a soft elastic material, in the plurality of bristle bundles carrying and separate connecting elements are embedded, which each comprise individual bristle bundles on the mounting side.
  • Such a brush head is known from EP-0 923 326 B1.
  • Prior art are in the from the soft elastic material formed base support embedded individual bristle bundles surrounding sleeves, which the bristle bundles completely surrounded end.
  • the fasteners are the secure connection of the bristle bundles serve in the base support, as to Representation of EP-0 923 326 in a known from WO-A-96/02165 Brush head, in which the bristle bundles directly into the soft elastic material embedded, has resulted in an insufficient pull-out strength.
  • EP-0 923 326 B1 proposes that anchor anchoring ends of the bristle bundles in the sleeves. Under Anchoring is regularly used in the manufacture of toothbrushes attaching the Bundles of bristles through a metallic clip inserted in the brush head, the like understood anchor. This will be halfway along with the Bristle bundle forming filaments in receiving openings, i. the openings of the Pods, introduced. The bristle bundles are placed around the clip and guided aligned parallel to each other through the wall.
  • the sleeves provided for anchoring the bristle bundles in EP-0 923 326 B1 must be closed to introduce the anchor bottom side and in terms of a secure abutment of the metallic anchor a certain thickness respectively. In addition, it is for axis-parallel alignment of the individual Bristle bundles required that the sleeve has a certain axial length.
  • the present invention is based on the problem, a brush head of to improve the above-mentioned type while avoiding the above problems.
  • the present invention is based on the problem, a Brush head of the type mentioned above, the low height and an arrangement of bundles of bristles allowed in a confined space.
  • a brush head with proposed the features of claim 1. This one is different from that generic forming brush head in that the connecting element by a Support ring is formed, which is penetrated by the bristle bundle, and that the Bristle bundles by positive locking between the mounting end of the Bristle bundle and the front end of the support ring against extract from the Support ring is secured.
  • each with a continuous Opening provided cylindrical member to be understood.
  • a support ring can also be understood a component which has a greater axial than radial Has extension.
  • a component which has a greater axial than radial Has extension is embedded.
  • the brush head can be formed with low height become.
  • the connecting elements at one on the bristle bundles act acting pull-out force as a stop, the fasteners with be formed less wall thickness, so that in the inventive Brush head the individual bristle bundles can be placed closer together.
  • the brush head according to the invention provides those of the prior art known advantages, namely that held in the individual support rings Bristle bundles relatively free due to the soft elastic properties of the base support can be pivoted to each other. This free pivoting results in that the connecting elements are separated from each other in the base carrier are embedded.
  • the brush head according to the invention offers the possibility of a low height with a high flexibility of the individual bristle bundles too combine.
  • EP-0 159 940 as well as originating from the same inventor FR 2 570 940 only disclose the elastic support of the bundles of bristles Compressive stress along the longitudinal axis of individual bristle bundles. This is according to the proposed solution of FR 2 570 940 on the back of a unitary, a plurality of channels for each having a bristle bundle retaining plate a gel pad deposited, which between the holding plate and a rear wall of the brush head is clamped.
  • the brush head up to the Interior reaching ventilation ducts, through which the compression of the Gelkissens or deformation of the membrane resulting volume change in the interior of the brush head to be compensated.
  • these ventilation channels prevent proper training of the previously known toothbrush under Consideration of hygienic requirements.
  • the brush head consists of a Base carrier 1, made of a soft elastic material, in particular a thermoplastic elastomer (TPE) is formed.
  • TPE thermoplastic elastomer
  • teethbrush is this base carrier with the Neck region of a toothbrush handle handle, not shown connected.
  • support rings 2 arranged distributed in the base support 1 and in this embedded. Each of the support rings 2 is a separate component in the base support. 1 intended.
  • the support rings 2 are formed as cylindrical components of any cross-section and form a cylindrical recess 3, which is a round, polygonal or can have rectangular cross-sectional shape.
  • the support rings 2 are preferably made Polypropylene (PP) formed and each take a bristle bundle 4, which in in itself known manner consists of polyamide filaments, in on.
  • a the support ring 2 At the end protruding end of the bristle bundles has a by melting the Polyamide filaments trained and all individual filaments with each other connecting thickening 5 on. The thickening has a diameter larger than the one of the recess 3 of the support ring 2 is.
  • the individual support rings 2 are the back of the soft elastic material of the Base carrier 1 covered. Accordingly, the soft elastic material of the forms Base carrier 1, the rear outside of the brush head shown. This is perfectly even. However, the brush head has a height that only insignificant higher than the embedment depth of the individual bristle bundles 4, i. that of the Base carrier 1 surrounded longitudinal portion of the bristle bundle 4 including the Thickening is 5. Due to the elastic properties of the soft-elastic Material, as well as the small wall thickness of the base support 1 between the back outer surface and the attachment side end of the bristle bundle 4, this can be moved in limits in the axial direction relative to the support ring 2 become.

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  • Brushes (AREA)
  • Pens And Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

The bristle head has a bristle carrying base (1) made of a thermoplastic elastomer. A multitude of support rings (2) is distributed across the base (1) creating recesses (3) in their centers. The rings (2) can be circular, square or polygonal and are made of polypropylene. The lower ends of each of the bristle bunches (4) are guided through the rings (2) and melted into wide disks (5) locked underneath the rings (2). A soft layer covers the base (1) at the back.

Description

Die vorliegende Erfindung betrifft einen Bürstenkopf einer Bürste, insbesondere einer Zahnbürste, mit einem aus einem weichelastischen Werkstoff gebildeten Basisträger, in dem mehrere Borstenbündel tragende und voneinander getrennte Verbindungselemente eingebettet sind, welche jeweils einzelne Borstenbündel befestigungsseitig umfassen.The present invention relates to a brush head of a brush, in particular one Toothbrush, with a base support formed of a soft elastic material, in the plurality of bristle bundles carrying and separate connecting elements are embedded, which each comprise individual bristle bundles on the mounting side.

Ein derartiger Bürstenkopf ist aus der EP-0 923 326 B1 bekannt. Bei diesem vorbekannten Stand der Technik sind in dem aus dem weichelastischen Werkstoff gebildeten Basisträger einzelne Borstenbündel umgebende Hülsen eingebettet, welche die Borstenbündel endseitig vollständig umgeben. Die Verbindungselemente sollen der sicheren Verbindung der Borstenbündel in dem Basisträger dienen, da sich nach Darstellung der EP-0 923 326 bei einem aus der WO-A-96/02165 bekannten Bürstenkopf, bei dem die Borstenbündel unmittelbar in den weichelastischen Werkstoff eingebettet sind, eine unzureichende Auszugsfestigkeit ergeben hat.Such a brush head is known from EP-0 923 326 B1. In this Prior art are in the from the soft elastic material formed base support embedded individual bristle bundles surrounding sleeves, which the bristle bundles completely surrounded end. The fasteners are the secure connection of the bristle bundles serve in the base support, as to Representation of EP-0 923 326 in a known from WO-A-96/02165 Brush head, in which the bristle bundles directly into the soft elastic material embedded, has resulted in an insufficient pull-out strength.

Im Hinblick darauf wird mit der EP-0 923 326 B1 vorgeschlagen, die befestigungsseitigen Enden der Borstenbündel in den Hülsen zu verankern. Unter Verankern wird regelmäßig bei der Herstellung von Zahnbürsten die Befestigung der Borstenbündel durch eine in den Bürstenkopf eingebrachte metallische Klammer, den so genannten Anker verstanden. Dieser wird auf halber Länge zusammen mit den das Borstenbündel bildenden Filamenten in Aufnahmeöffnungen, d.h. die Öffnungen der Hülsen, eingebracht. Die Borstenbündel werden um die Klammer gelegt und geführt durch die Wandung parallel zueinander ausgerichtet.In view of this, EP-0 923 326 B1 proposes that anchor anchoring ends of the bristle bundles in the sleeves. Under Anchoring is regularly used in the manufacture of toothbrushes attaching the Bundles of bristles through a metallic clip inserted in the brush head, the like understood anchor. This will be halfway along with the Bristle bundle forming filaments in receiving openings, i. the openings of the Pods, introduced. The bristle bundles are placed around the clip and guided aligned parallel to each other through the wall.

Die zum Verankern der Borstenbündel bei der EP-0 923 326 B1 vorgesehenen Hülsen müssen zum Einbringen des Ankers bodenseitig geschlossen sein und im Hinblick auf eine sichere Widerlagerung der metallischen Anker eine gewisse Materialstärke aufweisen. Darüber hinaus ist es zur achsparallelen Ausrichtung der einzelnen Borstenbündel erforderlich, dass die Hülse eine gewisse axiale Länge hat. Diese Randbedingungen führen zu gewissen Beschränkungen bei der Ausbildung des Bürstenkopfes, die sich insbesondere bei der Ausbildung des Bürstenkopfes für eine Zahnbürste als nachteilig erweisen. Bei Zahnbürsten werden üblicherweise Borstenbündel eng nebeneinander an dem Bürstenkopf vorgesehen. Ferner soll der Bürstenkopf im Hinblick auf den Einsatz im Mundraum eine möglichst geringe Bauhöhe haben.The sleeves provided for anchoring the bristle bundles in EP-0 923 326 B1 must be closed to introduce the anchor bottom side and in terms of a secure abutment of the metallic anchor a certain thickness respectively. In addition, it is for axis-parallel alignment of the individual Bristle bundles required that the sleeve has a certain axial length. These Boundary conditions lead to certain limitations in the training of the Brush head, especially in the formation of the brush head for a Toothbrush prove disadvantageous. In toothbrushes are usually Bristle bundles are provided close to each other on the brush head. Furthermore, the Brush head with a view to use in the oral cavity as low as possible to have.

Der vorliegenden Erfindung liegt nun das Problem zugrunde, einen Bürstenkopf der eingangs genannten Art unter Vermeidung der obigen Probleme zu verbessern. Insbesondere liegt der vorliegenden Erfindung das Problem zugrunde, einen Bürstenkopf der eingangs genannten Art anzugeben, der eine geringe Bauhöhe und eine Anordnung von Borstenbündeln auf engstem Raum erlaubt.The present invention is based on the problem, a brush head of to improve the above-mentioned type while avoiding the above problems. In particular, the present invention is based on the problem, a Brush head of the type mentioned above, the low height and an arrangement of bundles of bristles allowed in a confined space.

Zur Lösung dieses Problems wird mit der vorliegenden Erfindung ein Bürstenkopf mit den Merkmalen von Anspruch 1 vorgeschlagen. Dieser unterscheidet sich von dem gattungsbildenden Bürstenkopf dadurch, dass das Verbindungselement durch einen Stützring gebildet ist, der von dem Borstenbündel durchragt ist, und dass das Borstenbündel durch Formschluss zwischen dem befestigungsseitigen Ende des Borstenbündels und dem stirnseitigen Ende des Stützringes gegen Auszug aus dem Stützring gesichert ist.To solve this problem with the present invention, a brush head with proposed the features of claim 1. This one is different from that generic forming brush head in that the connecting element by a Support ring is formed, which is penetrated by the bristle bundle, and that the Bristle bundles by positive locking between the mounting end of the Bristle bundle and the front end of the support ring against extract from the Support ring is secured.

In Abkehr von dem gattungsbildenden Stand der Technik wird mit der vorliegenden Erfindung dementsprechend als Verbindungselement keine Hülse, sondern ein in axialer Richtung durchgängiger Stützring vorgeschlagen. Das befestigungsseitige Ende des Borstenbündels befindet sich nicht in dem Verbindungselement, sondern auf der der von den Borstenbündeln durchragten Oberseite des Bürstenkopfes abgewandten Rückseite der Stützringe. Im Hinblick auf die notwendige Auszugsfestigkeit der Borstenbündel sind diese jeweils an dem rückseitigen, stirnseitigen Ende der Stützringe durch Formschluss gehalten. Dieser Formschluss wird vorzugsweise dadurch erzielt, dass die Borstenbündel an ihrem befestigungsseitigen Ende mit einer Verdickung versehen werden, die die an dem Stützring ausgeformte Ausnehmung radial überragt und somit gegen die Stirnseite des Stützringes angelegt werden kann. Diese Verdickung wird vorzugsweise durch Anschmelzen der befestigungsseitigen Enden der Borstenbündel ausgeformt.In departure from the generic state of the art is with the present Invention accordingly as a connecting element no sleeve, but in axial Direction continuous support ring proposed. The mounting end of the Bristle bundle is not in the connector, but on the of the bristle bundles projected through the upper side of the brush head facing away from the back the support rings. With regard to the necessary pull-out strength of the bristle bundles These each at the back, front end of the support rings by positive engagement held. This positive connection is preferably achieved in that the Bristle bundles provided at its mounting end with a thickening be projected radially beyond the recess formed on the support ring and thus can be created against the front side of the support ring. This thickening will preferably by melting the attachment-side ends of the bristle bundles formed.

Als Stützring im Sinne der vorliegenden Erfindung kann jedes mit einer durchgängigen Öffnung versehenes zylinderförmiges Bauteil verstanden werden. Als Stützring kann auch ein Bauteil verstanden werden, welches eine größere axiale als radiale Erstreckung aufweist. Im Hinblick auf eine möglichst geringe Bauhöhe werden jedoch plattenförmige Stützringe zu bevorzugen sein, die gegebenenfalls vollständig in dem weichelastischen Werkstoff eingebettet sind.As a support ring according to the present invention, each with a continuous Opening provided cylindrical member to be understood. As a support ring can Also be understood a component which has a greater axial than radial Has extension. However, in terms of the lowest possible height plate-shaped support rings to be preferred, which may be completely in the soft elastic material are embedded.

Da das befestigungsseitige Ende des Borstenbündels außerhalb des Verbindungselementes liegt, kann der Bürstenkopf mit geringer Bauhöhe ausgeformt werden. Da im Übrigen die Verbindungselemente bei einer auf die Borstenbündel wirkenden Auszugskraft als Anschlag wirken, können die Verbindungselemente mit geringerer Wandstärke ausgeformt werden, so dass bei dem erfindungsgemäßen Bürstenkopf die einzelnen Borstenbündel enger nebeneinander gesetzt werden können.Since the attachment-side end of the bristle bundle outside the Connecting element is, the brush head can be formed with low height become. Incidentally, the connecting elements at one on the bristle bundles act acting pull-out force as a stop, the fasteners with be formed less wall thickness, so that in the inventive Brush head the individual bristle bundles can be placed closer together.

Im Übrigen bietet der erfindungsgemäße Bürstenkopf die aus dem Stand der Technik bekannten Vorteile, dass nämlich die in den einzelnen Stützringen gehaltenen Borstenbündel aufgrund der weichelastischen Eigenschaften des Basisträgers relativ frei zueinander verschwenkt werden können. Diese freie Verschwenkbarkeit ergibt sich dadurch, dass die Verbindungselemente getrennt voneinander in dem Basisträger eingebettet sind.Incidentally, the brush head according to the invention provides those of the prior art known advantages, namely that held in the individual support rings Bristle bundles relatively free due to the soft elastic properties of the base support can be pivoted to each other. This free pivoting results in that the connecting elements are separated from each other in the base carrier are embedded.

In Abkehr von den aus der EP-0 159 940 bzw. FR 2 570 940 bekannten Lösungsvorschlägen, bietet der erfindungsgemäße Bürstenkopf die Möglichkeit, eine geringe Bauhöhe mit einer hohen Flexibilität der einzelnen Borstenbündel zu kombinieren. Die EP-0 159 940 sowie die auf den gleichen Erfinder zurückgehende FR 2 570 940 offenbaren lediglich die elastische Lagerung der Borstenbündel bei Druckbeanspruchung entlang der Längsachse einzelner Borstenbündel. Hierzu ist gemäß dem Lösungsvorschlag der FR 2 570 940 auf der Rückseite einer einheitlichen, mehrere Kanäle für jeweils ein Borstenbündel aufweisenden Halteplatte ein Gelkissen hinterlegt, welches zwischen der Halteplatte und einer Rückwand des Bürstenkopfes geklemmt ist. Aufgrund der Elastizität des Gelkissens, können die einzelnen Borstenbündel entlang der Achse der Kanäle bei übermäßiger axialer Beanspruchung in Richtung auf den Bürstenkopf einsinken. Bei der Ausgestaltung gemäß der EP-0 159 940 ist die Halteplatte unter Zwischenlage einer elastischen Membran in einem Bürstenkopf geklemmt. Zwischen der Membran und der Rückwand des Bürstenkopfes befindet sich ein Freiraum, in welchen die einzelnen Borstenbündel einfedern. Beide vorbekannten Lösungsvorschläge haben sich aufgrund der erheblichen Bauhöhe der Bürsten und der komplizierten Anordnung nicht durchsetzen können. Darüber hinaus zeigen sich aufgrund der verschiedenen in dem Bürstenkopf angeordneten Schichten hygienische Probleme, die darin begründet liegen, dass sich Keime und insbesondere Feuchtigkeit an den Phasengrenzen zwischen den einzelnen Schichten festsetzen. Darüber hinaus weist der Bürstenkopf bei beiden Ausführungsformen bis zu dem Innenraum reichenden Lüftungskanäle auf, durch welche die sich bei Kompression des Gelkissens bzw. Verformung der Membran ergebenden Volumenänderung im Inneren des Bürstenkopfes kompensiert werden sollen. Insbesondere diese Entlüftungskanäle verhindern eine angemessene Ausbildung der vorbekannten Zahnbürste unter Berücksichtigung der hygienischen Anforderungen.In departure from those known from EP-0 159 940 and FR 2 570 940 Proposed solutions, the brush head according to the invention offers the possibility of a low height with a high flexibility of the individual bristle bundles too combine. EP-0 159 940 as well as originating from the same inventor FR 2 570 940 only disclose the elastic support of the bundles of bristles Compressive stress along the longitudinal axis of individual bristle bundles. This is according to the proposed solution of FR 2 570 940 on the back of a unitary, a plurality of channels for each having a bristle bundle retaining plate a gel pad deposited, which between the holding plate and a rear wall of the brush head is clamped. Due to the elasticity of the gel pad, the individual can Bristle bundles along the axis of the channels in case of excessive axial stress in Sinking direction on the brush head. In the embodiment according to EP-0 159 940 is the holding plate with the interposition of an elastic membrane in one Brush head clamped. Between the membrane and the back wall of the brush head there is a free space in which the individual bundles of bristles collapse. Both Known solution proposals have due to the considerable height of the Brushes and the complicated arrangement can not enforce. Furthermore show up due to the different arranged in the brush head layers hygienic problems that are due to germs and in particular Moisture at the phase boundaries between each layer. Moreover, in both embodiments, the brush head up to the Interior reaching ventilation ducts, through which the compression of the Gelkissens or deformation of the membrane resulting volume change in the interior of the brush head to be compensated. In particular, these ventilation channels prevent proper training of the previously known toothbrush under Consideration of hygienic requirements.

Die vorliegende Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnung näher erläutert. In dieser zeigen:

Figur 1
eine Querschnittsansicht durch einen Teil eines Ausführungsbeispiels eines erfindungsgemäßen Bürstenkopfes in einer Ausgangsstellung; und
Figur 2
den in Figur 1 gezeigten Ausschnitt bei einer axialen Beanspruchung eines Borstenbündels.
The present invention will be explained in more detail with reference to the drawing. In this show:
FIG. 1
a cross-sectional view through part of an embodiment of a brush head according to the invention in an initial position; and
FIG. 2
the detail shown in Figure 1 at an axial stress of a bristle bundle.

In Figur 1 sind die wesentlichen Teile eines Ausführungsbeispiels eines erfindungsgemäßen Bürstenkopfes zu sehen. Der Bürstenkopf besteht aus einem Basisträger 1, der aus einem weichelastischen Werkstoff, insbesondere einem thermoplastischen Elastomer (TPE), gebildet ist. Bei dem hier insbesondere interessierenden Anwendungsbeispiel "Zahnbürste" ist dieser Basisträger mit dem Halsbereich eines nicht dargestellten Zahnbürstengriffstieles verbunden. Abhängig von den individuellen Anforderungen an die Putzcharakteristik der Zahnbürste, sind eine Vielzahl von Stützringe 2 in dem Basisträger 1 verteilt angeordnet und in diesen eingebettet. Jeder der Stützringe 2 ist als separates Bauteil in dem Basisträger 1 vorgesehen. In Figure 1, the essential parts of an embodiment of a To see brush head according to the invention. The brush head consists of a Base carrier 1, made of a soft elastic material, in particular a thermoplastic elastomer (TPE) is formed. In particular here example of use "toothbrush" is this base carrier with the Neck region of a toothbrush handle handle, not shown connected. Depending on the individual requirements for the cleaning characteristics of the toothbrush, are one Variety of support rings 2 arranged distributed in the base support 1 and in this embedded. Each of the support rings 2 is a separate component in the base support. 1 intended.

Die Stützringe 2 sind als zylindrische Bauteile mit beliebigem Querschnitt ausgeformt und bilden eine zylindrische Ausnehmung 3 aus, die eine runde, polygonale oder rechteckige Querschnittsform haben kann. Die Stützringe 2 sind vorzugsweise aus Polypropylen (PP) gebildet und nehmen jeweils ein Borstenbündel 4, welches in an sich bekannter Weise aus Polyamid-Filamenten besteht, in sich auf. Ein den Stützring 2 endseitig überragendes Ende der Borstenbündel weist eine durch Anschmelzen der Polyamid-Filamente ausgebildete und sämtliche Einzelfilamente miteinander verbindende Verdickung 5 auf. Die Verdickung hat einen Durchmesser, der größer als derjenige der Ausnehmung 3 des Stützringes 2 ist.The support rings 2 are formed as cylindrical components of any cross-section and form a cylindrical recess 3, which is a round, polygonal or can have rectangular cross-sectional shape. The support rings 2 are preferably made Polypropylene (PP) formed and each take a bristle bundle 4, which in in itself known manner consists of polyamide filaments, in on. A the support ring 2 At the end protruding end of the bristle bundles has a by melting the Polyamide filaments trained and all individual filaments with each other connecting thickening 5 on. The thickening has a diameter larger than the one of the recess 3 of the support ring 2 is.

Die einzelnen Stützringe 2 sind rückseitig von dem weichelastischen Werkstoff des Basisträgers 1 bedeckt. Dementsprechend bildet der weichelastische Werkstoff des Basisträgers 1 die rückwärtige Außenseite des gezeigten Bürstenkopfes. Diese ist vollkommen eben. Der Bürstenkopf hat jedoch eine Bauhöhe, die nur unwesentlich höher als die Einbettungstiefe der einzelnen Borstenbündel 4, d.h. dem von dem Basisträger 1 umgebenen Längenabschnitt des Borstenbündels 4 einschließlich der Verdickung 5 ist. Aufgrund der elastischen Eigenschaften des weichelastischen Werkstoffs, wie auch der geringen Wandstärke des Basisträgers 1 zwischen der rückseitigen Außenfläche und dem befestigungsseitigen Ende des Borstenbündels 4, kann dieses in Grenzen in axialer Richtung relativ zu dem Stützring 2 verschoben werden. Dieser Fall, bei dem eine axiale Kraft in Richtung des eingezeichneten Pfeils auf das Borstenbündel 4 wirkt, ist in Figur 2 dargestellt. Aufgrund der wirkenden axialen Beanspruchung hat sich das Borstenbündel 4 gegenüber dem Stützring 2 verschoben. Dementsprechend wurde die Verdickung 5 von einem stirnseitigen Ende 6 des Stützringes 2 abgehoben. Der an der Rückseite der Verdickung 5 befindliche weichelastische Kunststoff des Basisträgers 1 bildet bei diesem Lastfall an der Rückseite des Bürstenkopfes eine leichte Wölbung aus. The individual support rings 2 are the back of the soft elastic material of the Base carrier 1 covered. Accordingly, the soft elastic material of the forms Base carrier 1, the rear outside of the brush head shown. This is perfectly even. However, the brush head has a height that only insignificant higher than the embedment depth of the individual bristle bundles 4, i. that of the Base carrier 1 surrounded longitudinal portion of the bristle bundle 4 including the Thickening is 5. Due to the elastic properties of the soft-elastic Material, as well as the small wall thickness of the base support 1 between the back outer surface and the attachment side end of the bristle bundle 4, this can be moved in limits in the axial direction relative to the support ring 2 become. This case in which an axial force in the direction of the arrow acts on the bristle bundle 4 is shown in Figure 2. Due to the acting axial Stress has shifted the bristle bundle 4 relative to the support ring 2. Accordingly, the thickening 5 from a front end 6 of the Support ring 2 lifted off. The located at the back of the thickening 5 soft elastic plastic of the base support 1 forms in this load case on the Back of the brush head from a slight curvature.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Basisträgerbase support
22
Stützringsupport ring
33
Ausnehmungrecess
44
Borstenbündelbristle bundles
55
Verdickungthickening
66
stirnseitiges Endefrontal end

Claims (6)

Bürstenkopf einer Bürste, insbesondere Zahnbürste, mit einem aus einem weichelastischen Werkstoff gebildeten Basisträger (1), in dem mehrere Borstenbündel (4) tragende und voneinander getrennte Verbindungselemente (2) eingebettet sind, welche jeweils einzelne Bostenbündel (4) befestigungsseitig umfassen,
dadurch gekennzeichnet, dass das Verbindungselement durch einen Stützring (2) gebildet ist, der von dem Borstenbündel (4) durchragt ist, und dass das Borstenbündel (4) durch Formschluss zwischen dem befestigungsseitigen Ende des Borstenbündels (4) und dem stirnseitigen Ende (6) des Stützringes (2) gegen Auszug aus dem Stützring (2) gesichert ist.Brush head of a brush, in particular a toothbrush, with a base support (1) formed of a soft elastic material, in which a plurality of bristle bundles (4) supporting and separate connecting elements (2) are embedded, each of which comprise individual Bostenbündel (4) fixing side,
characterized in that the connecting element is formed by a support ring (2), which is penetrated by the bristle bundle (4), and in that the bristle bundle (4) by positive engagement between the attachment-side end of the bristle bundle (4) and the front end (6) of the support ring (2) against extract from the support ring (2) is secured. Bürstenkopf nach Anspruch 1, dadurch gekennzeichnet, dass der weichelastische Werkstoff stoffschlüssig mit dem Stützring (2) verbunden ist und das befestigungsseitige Ende des Borstenbündels (4) stirnseitig bedeckt.Brush head according to claim 1, characterized in that the soft elastic material is materially connected to the support ring (2) and the attachment-side end of the bristle bundle (4) is covered frontally. Bürstenkopf nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der die Stirnseite des Borstenbündels (4) überdeckende weichelastische Werkstoff die Außenseite des Bürstenkopfes bildet.Brush head according to claim 1 or 2, characterized in that the soft elastic material covering the end face of the bristle bundle (4) forms the outside of the brush head. Bürstenkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Borstenbündel (4) in durch die Elastizität des weichelastischen Werkstoffs vorgegebenen Grenzen in axialer Richtung relativ zu dem Stützring (2) beweglich ist.Brush head according to one of the preceding claims, characterized in that the bristle bundle (4) is movable in the axial direction relative to the support ring (2) in limits predetermined by the elasticity of the soft elastic material. Bürstenkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Borstenbündel (4) eine die Ausnehmung (3) des Stützringes (2) radial überragende Verdickung (5) aufweist, die an die Mündung des Stützringes (2) anlegbar ist.Brush head according to one of the preceding claims, characterized in that the bristle bundles (4) has a recess (3) of the support ring (2) radially superior thickening (5), which at the mouth of the support ring (2) can be applied. Bürstenkopf nach Anspruch 5, dadurch gekennzeichnet, dass die Verdickung (5) durch Anschmelzen des Borstenbündels (4) ausgeformt ist.Brush head according to claim 5, characterized in that the thickening (5) is formed by fusing the bristle bundle (4).
EP04010962A 2004-05-07 2004-05-07 Brush head Expired - Lifetime EP1593321B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP04010962A EP1593321B1 (en) 2004-05-07 2004-05-07 Brush head
AT04010962T ATE352225T1 (en) 2004-05-07 2004-05-07 BRUSH HEAD
DE502004002768T DE502004002768D1 (en) 2004-05-07 2004-05-07 brush head
ES04010962T ES2280859T3 (en) 2004-05-07 2004-05-07 BRUSH HEAD
PCT/EP2005/004959 WO2005107522A1 (en) 2004-05-07 2005-05-04 Toothbrush
US11/568,675 US8069524B2 (en) 2004-05-07 2005-05-04 Toothbrush
CN200580014335A CN100581411C (en) 2004-05-07 2005-05-04 Toothbrush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04010962A EP1593321B1 (en) 2004-05-07 2004-05-07 Brush head

Publications (2)

Publication Number Publication Date
EP1593321A1 true EP1593321A1 (en) 2005-11-09
EP1593321B1 EP1593321B1 (en) 2007-01-24

Family

ID=34924913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04010962A Expired - Lifetime EP1593321B1 (en) 2004-05-07 2004-05-07 Brush head

Country Status (7)

Country Link
US (1) US8069524B2 (en)
EP (1) EP1593321B1 (en)
CN (1) CN100581411C (en)
AT (1) ATE352225T1 (en)
DE (1) DE502004002768D1 (en)
ES (1) ES2280859T3 (en)
WO (1) WO2005107522A1 (en)

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DE102005024082A1 (en) * 2005-05-25 2006-11-30 M + C Schiffer Gmbh Brush and method for its manufacture
US8220102B2 (en) 2004-03-09 2012-07-17 Glaxosmithkline Consumer Healthcare Gmbh & Co. Kg Toothbrush
EP2438886A4 (en) * 2009-06-04 2015-08-05 Sunstar Inc Oral care instrument
US9119462B2 (en) 2011-07-23 2015-09-01 Braun Gmbh Oral cleaning implement having a plastic staple comprising a cavity
US20160022026A1 (en) * 2008-12-09 2016-01-28 Hoipo Yu Brush Head and Its Producing Device
US10376349B2 (en) 2015-05-14 2019-08-13 Koninklijke Philips N.V. Brush head assembly
US10500024B2 (en) 2015-05-14 2019-12-10 Koninklijke Philips N.V. Brush head assembly and methods of manufacture
US10575627B2 (en) 2015-05-14 2020-03-03 Koninklijke Philips N.V. Brush head assembly and methods of manufacture
US10750847B2 (en) 2015-05-14 2020-08-25 Koninklijke Philips N.V. Brush head arrangements
US11160361B2 (en) 2019-06-28 2021-11-02 Koninklijke Philips N.V. Brush head assembly

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GB0603570D0 (en) 2006-02-22 2006-04-05 Glaxosmithkline Consumer Healt Novel device
EP2048987B1 (en) 2006-08-11 2017-03-29 GlaxoSmithKline Consumer Healthcare GmbH & Co.KG. Toothbrush
GB0618750D0 (en) 2006-09-22 2006-11-01 Glaxosmithkline Consumer Healt Novel device
US11051604B2 (en) * 2007-06-26 2021-07-06 Live-Right, Llc Infant toothbrush
GB2476282A (en) * 2009-12-18 2011-06-22 Dyson Technology Ltd A brush bar for a surface treating appliance
EP2534973B1 (en) * 2011-06-15 2015-04-08 Braun GmbH Method and tool for producing a brush head
JP2017508536A (en) * 2014-03-25 2017-03-30 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Brush head configuration
US11291293B2 (en) 2014-12-23 2022-04-05 Colgate-Palmolive Company Oral care implement
EP3622853B1 (en) * 2014-12-23 2021-08-04 Colgate-Palmolive Company Oral care implement
IT201600074568A1 (en) * 2016-07-15 2018-01-15 Pennelli Faro S R L BRUSH FOR THE APPLICATION OF COSMETIC PRODUCTS
US11540621B2 (en) 2017-07-12 2023-01-03 Koninklijke Philips N.V. Brush head arrangements
EP3651612B1 (en) 2017-07-12 2024-04-03 Koninklijke Philips N.V. Stamped brush heads and brush head stamping manufacturing methods
US11553780B2 (en) 2017-07-12 2023-01-17 Koninklijke Philips N.V. Brush head manufacturing method
WO2019081073A1 (en) 2017-10-24 2019-05-02 Koninklijke Philips N.V. Brush head manufacturing methods using a molded tuft carrier and base plate
JP7384790B2 (en) 2017-10-24 2023-11-21 コーニンクレッカ フィリップス エヌ ヴェ Brush head manufacturing method and device
CN108497687A (en) * 2018-05-30 2018-09-07 中山尚洋科技股份有限公司 A kind of interchangeable no glue adornment brush of brush handle
US10646028B1 (en) 2019-03-12 2020-05-12 Nathan Quang Huynh Brush assemblies
WO2020215306A1 (en) * 2019-04-26 2020-10-29 龙昌日用品工业（南宁）有限公司 Toothbrush
JP7348623B2 (en) * 2019-05-28 2023-09-21 アイオン株式会社 Board cleaning brush

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8220102B2 (en) 2004-03-09 2012-07-17 Glaxosmithkline Consumer Healthcare Gmbh & Co. Kg Toothbrush
DE102005024082A1 (en) * 2005-05-25 2006-11-30 M + C Schiffer Gmbh Brush and method for its manufacture
US20160022026A1 (en) * 2008-12-09 2016-01-28 Hoipo Yu Brush Head and Its Producing Device
US10201222B2 (en) * 2008-12-09 2019-02-12 Hoipo Yu Brush head and its producing device
EP2438886A4 (en) * 2009-06-04 2015-08-05 Sunstar Inc Oral care instrument
US9119462B2 (en) 2011-07-23 2015-09-01 Braun Gmbh Oral cleaning implement having a plastic staple comprising a cavity
US10376349B2 (en) 2015-05-14 2019-08-13 Koninklijke Philips N.V. Brush head assembly
US10500024B2 (en) 2015-05-14 2019-12-10 Koninklijke Philips N.V. Brush head assembly and methods of manufacture
US10575627B2 (en) 2015-05-14 2020-03-03 Koninklijke Philips N.V. Brush head assembly and methods of manufacture
US10750847B2 (en) 2015-05-14 2020-08-25 Koninklijke Philips N.V. Brush head arrangements
US11147658B2 (en) 2015-05-14 2021-10-19 Koninklijke Philips N.V. Brush head assembly and methods of manufacture
US11224281B2 (en) 2015-05-14 2022-01-18 Koninklijke Philips N.V. Brush head arrangements
US11160361B2 (en) 2019-06-28 2021-11-02 Koninklijke Philips N.V. Brush head assembly

Also Published As

Publication number Publication date
WO2005107522A1 (en) 2005-11-17
DE502004002768D1 (en) 2007-03-15
ATE352225T1 (en) 2007-02-15
US20080168613A1 (en) 2008-07-17
CN100581411C (en) 2010-01-20
ES2280859T3 (en) 2007-09-16
CN1953683A (en) 2007-04-25
US8069524B2 (en) 2011-12-06
EP1593321B1 (en) 2007-01-24

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