EP1119272B1 - Tooth brush - Google Patents

Tooth brush Download PDF

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Publication number
EP1119272B1
EP1119272B1 EP99919023A EP99919023A EP1119272B1 EP 1119272 B1 EP1119272 B1 EP 1119272B1 EP 99919023 A EP99919023 A EP 99919023A EP 99919023 A EP99919023 A EP 99919023A EP 1119272 B1 EP1119272 B1 EP 1119272B1
Authority
EP
European Patent Office
Prior art keywords
toothbrush according
handle
toothbrush
handle parts
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99919023A
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German (de)
French (fr)
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EP1119272A1 (en
Inventor
Peter Gross
Peter WALDISPÜHL
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.)
Trisa Holding AG
Original Assignee
Trisa Holding AG
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Filing date
Publication date
Application filed by Trisa Holding AG filed Critical Trisa Holding AG
Publication of EP1119272A1 publication Critical patent/EP1119272A1/en
Application granted granted Critical
Publication of EP1119272B1 publication Critical patent/EP1119272B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A46B5/026—Grips or handles having a nonslip section
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand

Definitions

  • the invention relates to a toothbrush according to the Preamble of claim 1.
  • Toothbrushes of this type come in many different types For configurations known see CH 615 329 A and WO 97 29663 A. Conventional toothbrush handles are often uncomfortable to use, especially when hands are wet. Especially consumers with Joint problems often have trouble cleaning of the teeth necessary movements safely and correctly perform.
  • the present invention is based on the object to create an aesthetic toothbrush that a improved handling enables and inexpensive can be produced.
  • the handle By having the toothbrush handle over at least part of its length in two extends in the longitudinal direction of the Toothbrush extending parts is divided that are interconnected and together form a cavity enclose, the handle can be relatively wide be designed, what better grip with it brings without the toothbrush becoming too massive.
  • Fig. 1 and 2 has a manual toothbrush 1, the Longitudinal axis in Fig. 1 is designated L, a front bristle-bearing head part 2 and a rear handle 3 on. Of the head part 2 is only one in FIGS. 1 and 2 Bristle carrier 4 can be seen, with a number of Wells 5 is provided, which is known per se Anchoring tufts of bristles are provided.
  • the handle 3 is over at least part of it Length in two along the length of the toothbrush extending parts 6, 7 divided.
  • the lower part 6 of the Handle 3 is optionally with the head part 2 connected or in one piece to the bristle carrier 4 educated.
  • the second part of the handle 3 forms a upper lid part 7. However, instead of the lower one Part 6 and the upper handle part 7 in one piece the bristle holder.
  • the upper cover part 7 is preferably with a Provide thumb rest forming recess 9.
  • the two in Fig. 3 individually shown handle parts 6, 7th are connected to each other, preferably welded, the two parts 6, 7 being one in the longitudinal direction enclose the toothbrush 1 extending cavity 8 (see Figs. 4, 5 and 6). For this purpose, at least points one of the two parts 6, 7 a bowl-shaped Cross section on.
  • the invention over at least part of it Length in two parts 6, 7 enclosing a cavity 8 divided handle 3 can be made relatively wide what brings a better grip without that the toothbrush is too massive.
  • the grip can additionally by choosing a suitable material for the two parts 6, 7 are improved.
  • the lower part 6 and the cover part 7 can also be made of different Materials are made.
  • the lower part 6 of a harder material than that Cover part 7.
  • the cover part 7 or the lower part 6 in whole or in part from one be made of resilient material. In this case, it is also possible to use a cavity 8 fill elastic material.
  • Two Handle parts 6, 7 optically from one differentiating material (for example different colors of both parts, which is the same material or different materials can act).
  • One or both parts can also be partial or be completely transparent or translucent.
  • the Cavity 8 with decorations or game items such as e.g. Snowflakes or figures can be filled.
  • the Cavity 8 can also be filled with a liquid be, for example, hovering objects can contain (then of course there is one Sealing of the cavity 8 essential in a described below).
  • the cavity 8 can also be filled with a gas.
  • cover part 7 transparent form and the surface of the lower one visible from above Part 6 with an illustration or lettering provided, e.g. to print on.
  • the Cavity 8 also include a metal fill.
  • the cover part 7, but also the lower part 6, can with Advantage from a multi-component material, for example are manufactured by injection molding. This solution not only offers decorative opportunities for improvement the aesthetic impact, but also allows Optimization of those important for better grip Elastic properties.
  • FIG. 7 to 10 is another embodiment a manual toothbrush 1 'shown, the handle 3 again a lower part 6 and an upper part Cover part 7 comprises.
  • This variant is for Provided thumb rest 9 preferably with filled with a soft thermoplastic elastomer.
  • the upper cover part 7 is in this area with one or more, possibly with six after below directed cam 11 equipped when Joining the two handle parts 6, 7 in corresponding openings 12 of the lower part 6 are pushed in, this in the end position according to Fig. 8 protrude sealingly and on the lower outside protrude easily.
  • the preferably made of rubber-like, soft elastomer existing cams 11 serve together with the soft thumb rest to improve the Grip.
  • cams 11 on one of the two handle parts 7 or 6 and several openings 12 in the other part 6 or 7 could for example in the area of the thumb rest on a part 7 or 6 a single cam or pin be attached, the cross section of which e.g. the teardrop shape of the recess 9 of FIG. 7, and in a hole same cross-section protrudes in the other part 7 or 6 and extends to the outside of it.
  • the handle parts 6, 7 can also be at least one of the two handle parts 6, 7 with a hole opening into the cavity 8 (for example the teardrop cross section in the Shape of the recess 9 according to FIG. 7), the through a membrane made of rubber-like material is preferably sealed.
  • the handle in the designated in Fig. 2 with B. Level, for example, that shown in FIG. 11 Have cross-sectional shape.
  • the membrane 13 also causes improved elasticity.
  • the Material of the membrane and its dimension influenced decisive here is the flexibility of the handle.
  • the elasticity of the upper cover part 7 can be improved in that this part 7 a transverse to the longitudinal axis L. wedge-shaped recess 14 formed and with a rubber-like material, for example one thermoplastic elastomer, is filled, creating a Art joint arises (designated in Fig. 7 to 9 with 15).
  • the two handle parts 6, 7 preferably at the contact lines with each other welded, the cavity 8 on the weld lines is sealed.
  • the overlapping outer edge can also be created a skin of rubber, which is not only brings additional sealing, but also a hygienic improvement means that the Welding lines cannot collect impurities.
  • the two handle parts 6, 7 can also be of type a snap connection that is preferably undetachable by hand be put together, the snap connection also acts as a seal.
  • the connection of the two handle parts 6, 7 can also be done by gluing.
  • FIG. 12 to 15 A variant in which the cavity 8 by welding can be reliably sealed at all points, too if on one of the two handle parts 6, 7 the Cavity 8 and the other handle part 7, 6 protruding cam 11 or pin made of soft Material, for example an elastically compliant thermoplastic elastomer are attached, is shown in Fig. 12 to 15 are shown.
  • the upper cover part 7 is in its rear area with a downward facing Longitudinal direction of the handle 3 extending provided sleeve-shaped projection 20 of an outer wall 21 and an inner wall 22 and in cross section is oval-shaped. Encloses the inner wall 22 a cover part 7 perpendicular to its longitudinal axis protruding interior that with the elastic compliant, a grip pad 24 forming material is filled.
  • the cover part provided with the projection 20 7 and the grip cushion 24 are, for example, in the Multi-component injection molding process.
  • the Handle cushion 24 has an upper grip surface 25 and one lower grip surface 26.
  • the lower part 6 is provided with an opening 27 which in its cross section of the outer shape or the outer wall 21 corresponds to the projection 20.
  • the ones from FIG. 8 can also be used and 9 already known cams 11 made of soft material in corresponding sleeve-shaped projections 30 (see FIG. 14) of a handle part 7, which in assigned openings 12 of the other handle part 6 used and welded to it, whereby here also the sealing of the cavity 8 is ensured is.
  • the toothbrush according to the invention is in production simple and inexpensive.
  • the hollow shape of the handle 3 means material savings.
  • the upper cover part 7 and / or the lower part 6 can be in one, two or Multi-component processes are injected. Since it is the two handle parts 6, 7 around thin-walled parts can be used in the production by injection molding the time for the injection molding process can be reduced.
  • the handle according to the invention can of course can also be used with other toothbrush types, as shown in the drawing, e.g. for toothbrushes whose Headboard with one or two interchangeable brush heads Is provided.

Abstract

The invention comprises a toothbrush having improved manipulative and aesthetic features. The toothbrush includes a joined two-piece construction having a hollow or tubular interior cavity, and wherein the two pieces may be of differing configurations, differing plastic material, differing colors, partially or wholly translucent, and wherein ornamental objects may occupy the cavity when the toothbrush includes transparent portions. The handle also may include soft protuberances to facilitate gripping the toothbrush.

Description

Die Erfindung betrifft eine Zahnbürste gemäss dem Oberbegriff des Anspruches 1.The invention relates to a toothbrush according to the Preamble of claim 1.

Zahnbürsten dieser Art sind in den verschiedensten Ausgestaltungen bekannt siehe CH 615 329 A und WO 97 29663 A. Konventionelle Zahnbürsten-Handgriffe sind oft unbequem zu handhaben, besonders wenn die Hände nass sind. Insbesondere Verbraucher mit Gelenkbeschwerden haben oft Mühe, die für die Reinigung der Zähne notwendigen Bewegungen sicher und korrekt auszuführen.Toothbrushes of this type come in many different types For configurations known see CH 615 329 A and WO 97 29663 A. Conventional toothbrush handles are often uncomfortable to use, especially when hands are wet. Especially consumers with Joint problems often have trouble cleaning of the teeth necessary movements safely and correctly perform.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde eine ästhetisch wirkende Zahnbürste zu schaffen, die eine verbesserte Handhabung ermöglicht und kostengünstig herstellbar ist.The present invention is based on the object to create an aesthetic toothbrush that a improved handling enables and inexpensive can be produced.

Diese Aufgabe wird erfindungsgemäss durch eine Zahnbürste mit den Merkmalen des Anspruches 1 gelöst.According to the invention, this object is achieved by a toothbrush solved with the features of claim 1.

Dadurch, dass der Zahnbürsten-Handgriff über mindestens einen Teil seiner Länge in zwei sich in Längsrichtung der Zahnbürste erstreckende Teile unterteilt ist, die miteinander verbunden sind und zusammen einen Hohlraum umschliessen, kann der Handgriff relativ breit ausgestaltet werden, was eine bessere Griffigkeit mit sich bringt, ohne dass die Zahnbürste zu massiv wird.By having the toothbrush handle over at least part of its length in two extends in the longitudinal direction of the Toothbrush extending parts is divided that are interconnected and together form a cavity enclose, the handle can be relatively wide be designed, what better grip with it brings without the toothbrush becoming too massive.

Bevorzugte Weiterausgestaltungen der erfindungsgemässen Zahnbürste, bei welchen die Griffigkeit zusätzlich verbessert und /oder eine besonders ästhetische Wirkung erzielt wird, bilden den Gegenstand der abhängigen Ansprüche.Preferred further developments of the inventive Toothbrush, where the grip is additional improved and / or a particularly aesthetic effect is achieved form the subject of the dependent Expectations.

Die Erfindung wird im folgenden anhand der Zeichnung näher erläutert.The invention will now be described with reference to the drawing explained.

Es zeigen:

Fig. 1
ein erstes Ausführungsbeispiel einer Zahnbürste in Draufsicht;
Fig. 2
die Zahnbürste nach Fig. 1 in Ansicht;
Fig. 3
in Ansicht zwei Zahnbürstenteile voneinander getrennt;
Fig. 4
einen Handgriff-Querschnitt der Zahnbürste in einer Ebene A nach Fig. 2;
Fig. 5
einen Handgriff-Querschnitt der Zahnbürste in einer Ebene B nach Fig. 2;
Fig. 6
einen Handgriff-Querschnitt der Zahnbürste in einer Ebene C nach Fig. 2;
Fig. 7
ein zweites Ausführungsbeispiel einer Zahnbürste in Draufsicht;
Fig. 8
die Zahnbürste nach Fig. 7 in Ansicht;
Fig. 9
in Ansicht zwei Zahnbürstenteile voneinander getrennt;
Fig. 10
die Zahnbürste nach Fig. 7 in Untersicht;
Fig. 11
einen weiteren möglichen Handgriff-Querschnitt der Zahnbürste in einer Ebene B nach Fig. 2;
Fig. 12
ein drittes Ausführungsbeispiel einer Zahnbürste in Draufsicht;
Fig. 13
die Zahnbürste nach Fig. 12 in Ansicht;
Fig. 14
in Ansicht zwei Zahnbürstenteile voneinander getrennt; und
Fig. 15
die Zahnbürste nach Fig. 12 in Untersicht.
Show it:
Fig. 1
a first embodiment of a toothbrush in plan view;
Fig. 2
the toothbrush of Figure 1 in view.
Fig. 3
in view two toothbrush parts separated from each other;
Fig. 4
a handle cross-section of the toothbrush in a plane A of FIG. 2;
Fig. 5
a handle cross-section of the toothbrush in a plane B of FIG. 2;
Fig. 6
a handle cross-section of the toothbrush in a plane C of FIG. 2;
Fig. 7
a second embodiment of a toothbrush in plan view;
Fig. 8
the toothbrush of Figure 7 in view.
Fig. 9
in view two toothbrush parts separated from each other;
Fig. 10
the toothbrush of Figure 7 in bottom view.
Fig. 11
another possible handle cross-section of the toothbrush in a plane B of FIG. 2;
Fig. 12
a third embodiment of a toothbrush in plan view;
Fig. 13
the toothbrush of Figure 12 in view.
Fig. 14
in view two toothbrush parts separated from each other; and
Fig. 15
the toothbrush according to Fig. 12 in bottom view.

Gemäss Fig. 1 und 2 weist eine Handzahnbürste 1, deren Längsachse in Fig. 1 mit L bezeichnet ist, einen vorderen borstentragenden Kopfteil 2 und einen hinteren Handgriff 3 auf. Vom Kopfteil 2 ist in Fig. 1 und 2 lediglich ein Borstenträger 4 ersichtlich, der mit einer Anzahl von Vertiefungen 5 versehen ist, die zur an sich bekannten Verankerung von Borstenbüscheln vorgesehen sind.1 and 2 has a manual toothbrush 1, the Longitudinal axis in Fig. 1 is designated L, a front bristle-bearing head part 2 and a rear handle 3 on. Of the head part 2 is only one in FIGS. 1 and 2 Bristle carrier 4 can be seen, with a number of Wells 5 is provided, which is known per se Anchoring tufts of bristles are provided.

Der Handgriff 3 ist über mindestens einen Teil seiner Länge in zwei sich in Längsrichtung der Zahnbürste erstreckende Teile 6, 7 unterteilt. Der untere Teil 6 des Handgriffes 3 ist gegebenenfalls mit dem Kopfteil 2 verbunden bzw. einstückig mit dem Borstenträger 4 ausgebildet. Den zweiten Teil des Handgriffes 3 bildet ein oberer Deckelteil 7. Allerdings könnte statt des unteren Teiles 6 auch der obere Handgriff-Teil 7 einstückig mit dem Borstenträger ausgestaltet sein.The handle 3 is over at least part of it Length in two along the length of the toothbrush extending parts 6, 7 divided. The lower part 6 of the Handle 3 is optionally with the head part 2 connected or in one piece to the bristle carrier 4 educated. The second part of the handle 3 forms a upper lid part 7. However, instead of the lower one Part 6 and the upper handle part 7 in one piece the bristle holder.

Der obere Deckelteil 7 ist vorzugsweise mit einer eine Daumenauflage bildenden Vertiefung 9 versehen. Die beiden in Fig. 3 einzeln dargestellten Handgriff-Teile 6, 7 werden miteinander verbunden, vorzugssweise verschweisst, wobei die beiden Teile 6, 7 einen sich in Längsrichtung der Zahnbürste 1 erstreckenden Hohlraum 8 umschliessen (vgl. Fig. 4, 5 und 6). Zu diesem Zweck weist mindestens einer der beiden Teile 6, 7 einen schalenförmigen Querschnitt auf.The upper cover part 7 is preferably with a Provide thumb rest forming recess 9. The two in Fig. 3 individually shown handle parts 6, 7th are connected to each other, preferably welded, the two parts 6, 7 being one in the longitudinal direction enclose the toothbrush 1 extending cavity 8 (see Figs. 4, 5 and 6). For this purpose, at least points one of the two parts 6, 7 a bowl-shaped Cross section on.

In Fig. 1 bis 6 ist eine mögliche, ästhetisch wirkende Ausgestaltung des Handgriffes 3 dargestellt, bei welcher sich der Hohlraum 8 praktisch über die ganze Handgrifflänge erstreckt. Eine andere Form wäre jedoch durchaus möglich.1 to 6 is a possible, aesthetically pleasing Shown embodiment of the handle 3, in which the cavity 8 practically all over Handle length extends. Another form would be quite possible.

Der erfindungsgemässe, über mindestens einen Teil seiner Länge in zwei einen Hohlraum 8 umschliessende Teile 6, 7 unterteilte Handgriff 3 kann relativ breit ausgestaltet werden, was eine bessere Griffigkeit mit sich bringt, ohne dass die Zahnbürste zu massiv wird. Die Griffigkeit kann zusätzlich durch die Wahl eines geeigneten Materials für die beiden Teile 6, 7 verbessert werden. Der untere Teil 6 und der Deckelteil 7 können auch aus verschiedenen Materialien hergestellt werden. Beispielswese kann der untere Teil 6 aus einem härteren Material sein als der Deckelteil 7. Zur besseren Handhabung kann der Deckelteil 7 oder der untere Teil 6 ganz oder teilweise aus einem elastisch nachgiebigen Material angefertigt sein. In diesem Fall ist es auch möglich, den Hohlraum 8 mit einem elastischen Material zu füllen.The invention, over at least part of it Length in two parts 6, 7 enclosing a cavity 8 divided handle 3 can be made relatively wide what brings a better grip without that the toothbrush is too massive. The grip can additionally by choosing a suitable material for the two parts 6, 7 are improved. The lower part 6 and the cover part 7 can also be made of different Materials are made. For example, the lower part 6 of a harder material than that Cover part 7. For better handling, the cover part 7 or the lower part 6 in whole or in part from one be made of resilient material. In In this case, it is also possible to use a cavity 8 fill elastic material.

Eine weitere Möglichkeit besteht darin, die beiden Handgriff-Teile 6, 7 aus einem sich optisch unterscheidenden Material herzustellen (beispielsweise verschiedene Farben beider Teile, wobei es sich um das gleiche Material oder um unterschiedliche Materialien handeln kann). Ein oder beide Teile können auch teilweise oder ganz transparent oder transluszent sein.Another option is to use the two Handle parts 6, 7 optically from one differentiating material (for example different colors of both parts, which is the same material or different materials can act). One or both parts can also be partial or be completely transparent or translucent.

Wird mindestens einer der beiden Handgriff-Teile 6, 7 aus einem transparentem Material angefertigt, so kann der Hohlraum 8 mit Verzierungs- oder Spielgegenständen wie z.B. Schneeflocken oder Figuren gefüllt werden. Der Hohlraum 8 kann aber auch mit einer Flüssigkeit gefüllt werden, die beispielsweise auch Schwebegegenstände beinhalten kann (selbstverständlich ist dann eine Abdichtung des Hohlraumes 8 unerlässlich, die in einer weiter unten beschriebenen Weise erfolgt).Will at least one of the two handle parts 6, 7 made of a transparent material, so the Cavity 8 with decorations or game items such as e.g. Snowflakes or figures can be filled. The Cavity 8 can also be filled with a liquid be, for example, hovering objects can contain (then of course there is one Sealing of the cavity 8 essential in a described below).

Der Hohlraum 8 kann auch mit einem Gas gefüllt werden.The cavity 8 can also be filled with a gas.

Es ist auch möglich, den Deckelteil 7 transparent auszubilden und die von oben sichtbare Fläche des unteren Teiles 6 mit einer Abbildung oder einer Beschriftung zu versehen, z.B. zu bedrucken.It is also possible to make the cover part 7 transparent form and the surface of the lower one visible from above Part 6 with an illustration or lettering provided, e.g. to print on.

Zwecks Gewichtserhöhung des Handgriffes 3 kann der Hohlraum 8 auch eine Metallfüllung beinhalten.In order to increase the weight of the handle 3, the Cavity 8 also include a metal fill.

Der Deckelteil 7, aber auch der untere Teil 6, können mit Vorteil aus einem Mehrkomponenten-Material beispielsweise im Spritzgussverfahren hergestellt werden. Diese Lösung bietet nicht nur dekorative Möglichkeiten zur Verbesserung der ästhetischen Wirkung, sondern ermöglicht auch Optimierung der für eine bessere Griffigkeit wichtigen Elastizitätseigenschaften. The cover part 7, but also the lower part 6, can with Advantage from a multi-component material, for example are manufactured by injection molding. This solution not only offers decorative opportunities for improvement the aesthetic impact, but also allows Optimization of those important for better grip Elastic properties.

In Fig. 7 bis 10 ist ein weiteres Ausführungsbeispiel einer Handzahnbürste 1' dargestellt, deren Handgriff 3 wiederum einen unteren Teil 6 sowie einen oberen Deckelteil 7 umfasst. Bei dieser Variante ist die für die Daumenauflage vorgesehene Vertiefung 9 vorzugsweise mit einem weichen thermoplastischen Elastomer gefüllt. Gleichzeitig ist in diesem Bereich der obere Deckelteil 7 mit einem oder mehreren, gegebenenfalls mit sechs nach unten gerichteten Nocken 11 ausgestattet, die beim Zusammenfügen der beiden Handgriff-Teile 6, 7 in entsprechende Öffnungen 12 des unteren Teiles 6 hineingedrückt werden, diesen in der Endstellung nach Fig. 8 dichtend hindurchragen und auf der unteren Aussenseite leicht vorstehen. Die vorzugsweise aus gummiartigem, weichen Elastomer bestehenden Nocken 11 dienen zusammen mit der weichen Daumenauflage zur Verbesserung der Griffigkeit.7 to 10 is another embodiment a manual toothbrush 1 'shown, the handle 3 again a lower part 6 and an upper part Cover part 7 comprises. This variant is for Provided thumb rest 9 preferably with filled with a soft thermoplastic elastomer. At the same time, the upper cover part 7 is in this area with one or more, possibly with six after below directed cam 11 equipped when Joining the two handle parts 6, 7 in corresponding openings 12 of the lower part 6 are pushed in, this in the end position according to Fig. 8 protrude sealingly and on the lower outside protrude easily. The preferably made of rubber-like, soft elastomer existing cams 11 serve together with the soft thumb rest to improve the Grip.

Statt mehrerer Nocken 11 an einem der beiden Handgriff-Teile 7 bzw. 6 und mehrerer Öffnungen 12 im anderen Teil 6 bzw. 7 könnte beispielsweise im Bereich der Daumenauflage an einem Teil 7 bzw. 6 ein einziger Nocken bzw. Zapfen angebracht sein, dessen Querschnitt z.B. die Tropfenform der Vertiefung 9 nach Fig. 7 aufweist, und der in ein Loch gleichen Querschnitts im anderen Teil 7 bzw. 6 hineinragt und sich bis zur Aussenseite desselben erstreckt.Instead of several cams 11 on one of the two handle parts 7 or 6 and several openings 12 in the other part 6 or 7 could for example in the area of the thumb rest on a part 7 or 6 a single cam or pin be attached, the cross section of which e.g. the teardrop shape of the recess 9 of FIG. 7, and in a hole same cross-section protrudes in the other part 7 or 6 and extends to the outside of it.

Es kann aber auch mindestens einer der beiden Handgriff-Teile 6, 7 mit einem in den Hohlraum 8 mündenden Loch (beispielsweise des tropfenförmigen Querschnitts in der Form der Vertiefung 9 nach Fig. 7) ausgestattet sein, das durch eine Membrane aus gummiähnlichem Material vorzugsweise dichtend abgeschlossen ist. In diesem Fall kann der Handgriff in der in Fig. 2 mit B bezeichneten Ebene beispielsweise die in Fig. 11 dargestellte Querschnittsform aufweisen. Bei diesem Ausführungsbeispiel ist im oberen Deckelteil 7 ein Loch 10 vorhanden, und der Hohlraum 8 ist von einer Membrane 13 abgeschlossen, die - ähnlich wie die vorstehend beschriebenen Nocken bzw. Zapfen - zur angenehmen Handhabung beiträgt. Die Membrane 13 bewirkt ausserdem eine verbesserte Elastizität. Das Material der Membrane und deren Dimension beeinflusst dabei massgebend die Flexibilität des Handgriffes.But it can also be at least one of the two handle parts 6, 7 with a hole opening into the cavity 8 (for example the teardrop cross section in the Shape of the recess 9 according to FIG. 7), the through a membrane made of rubber-like material is preferably sealed. In this case can the handle in the designated in Fig. 2 with B. Level, for example, that shown in FIG. 11 Have cross-sectional shape. In this embodiment there is a hole 10 in the upper cover part 7, and the Cavity 8 is closed by a membrane 13 which - similar to the cams or Cones - contributes to pleasant handling. The membrane 13 also causes improved elasticity. The Material of the membrane and its dimension influenced decisive here is the flexibility of the handle.

Wie aus Fig. 7 bis 9 ersichtlich kann die Elastizität des oberen Deckelteiles 7 dadurch verbessert werden, dass in diesem Teil 7 eine quer zur Längsachse L verlaufende keilartige Ausnehmung 14 ausgebildet und mit einem gummiähnlichem Material, beispielsweise einem thermoplastischen Elastomer, gefüllt wird, wodurch eine Art Gelenk entsteht (in Fig. 7 bis 9 mit 15 bezeichnet).As can be seen from FIGS. 7 to 9, the elasticity of the upper cover part 7 can be improved in that this part 7 a transverse to the longitudinal axis L. wedge-shaped recess 14 formed and with a rubber-like material, for example one thermoplastic elastomer, is filled, creating a Art joint arises (designated in Fig. 7 to 9 with 15).

Wie bereits erwähnt, werden die beiden Handgriffteile 6, 7 an den Berührungslinien vorzugsweise miteinander verschweisst, wobei der Hohlraum 8 an den Schweisslinien abgedichtet wird. Die beim Schweissvorgang durch Überlappung entstehende aussen liegende Kante kann mit einer Haut aus Gummi überdeckt werden, was nicht nur zusätzliche Abdichtung mit sich bringt, sondern auch eine hygienische Verbesserung bedeutet, da sich an den Schweisslinien keine Unreinheiten ansammeln können. Die beiden Handgriff-Teile 6, 7 können aber auch in der Art einer vorzugsweise von Hand unlösbaren Schnappverbindung zusammengefügt werden, wobei die Schnappverbindung ebenfalls dichtend wirkt. So kann beispielsweise der obere Deckelteil 7 mit einer Dichtkante 17 aus thermoplastischem Elastomer ausgestattet sein, wie in Fig. 8 und 9 dargestellt. Die Verbindung der beiden Handgriff-Teile 6, 7 kann aber auch durch Kleben erfolgen.As already mentioned, the two handle parts 6, 7 preferably at the contact lines with each other welded, the cavity 8 on the weld lines is sealed. The during the welding process The overlapping outer edge can also be created a skin of rubber, which is not only brings additional sealing, but also a hygienic improvement means that the Welding lines cannot collect impurities. The two handle parts 6, 7 can also be of type a snap connection that is preferably undetachable by hand be put together, the snap connection also acts as a seal. For example, the top one Cover part 7 with a sealing edge 17 made of thermoplastic Be equipped with an elastomer, as in FIGS. 8 and 9 shown. The connection of the two handle parts 6, 7 can also be done by gluing.

Eine Variante, bei der der Hohlraum 8 durch Verschweissen an allen Stellen zuverlässig abgedichtet werden kann, auch wenn an einem der beiden Handgriff-Teile 6, 7 die den Hohlraum 8 und den anderen Handgriff-Teil 7, 6 hindurchragenden Nocken 11 oder Zapfen aus weichem Material, beispielsweise einem elastisch nachgiebigen thermoplastischen Elastomer angebracht sind, wird in Fig. 12 bis 15 gezeigt.A variant in which the cavity 8 by welding can be reliably sealed at all points, too if on one of the two handle parts 6, 7 the Cavity 8 and the other handle part 7, 6 protruding cam 11 or pin made of soft Material, for example an elastically compliant thermoplastic elastomer are attached, is shown in Fig. 12 to 15 are shown.

Bei diser Variante ist der obere Deckelteil 7 in seinem hinteren Bereich mit einem nach unten gerichteten, sich in Längsrichtung des Handgriffes 3 erstreckenden, hülsenförmigen Vorsprung 20 versehen, der eine Aussenwand 21 und eine Innenwand 22 aufweist und im Querschnitt ovalförmig ausgebildet ist. Die Innenwand 22 umschliesst einen den Deckelteil 7 rechtwinklig zu seiner Längsachse hindurchragenden Innenraum, der mit dem elastisch nachgiebigen, ein Griffkissen 24 bildenden Material gefüllt ist. Der mit dem Vorsprung 20 versehene Deckelteil 7 und das Griffkissen 24 werden beispielsweise im Mehrkomponenten-Spritzgiessverfahren hergestellt. Das Griffkissen 24 weist eine obere Griffläche 25 und eine untere Griffläche 26 auf.In this variant, the upper cover part 7 is in its rear area with a downward facing Longitudinal direction of the handle 3 extending provided sleeve-shaped projection 20 of an outer wall 21 and an inner wall 22 and in cross section is oval-shaped. Encloses the inner wall 22 a cover part 7 perpendicular to its longitudinal axis protruding interior that with the elastic compliant, a grip pad 24 forming material is filled. The cover part provided with the projection 20 7 and the grip cushion 24 are, for example, in the Multi-component injection molding process. The Handle cushion 24 has an upper grip surface 25 and one lower grip surface 26.

Der untere Teil 6 ist mit einer Öffnung 27 versehen, die in ihrem Querschnitt der Aussenform bzw. der Aussenwand 21 des Vorsprungs 20 entspricht. The lower part 6 is provided with an opening 27 which in its cross section of the outer shape or the outer wall 21 corresponds to the projection 20.

Beim Zusammenschweisen der beiden Handgriffteile 6, 7 wird auch der in die Öffnung 27 eingeführte, mit dem Griffkissen 24 aus weicherem Material gefüllte Vorsprung 20 mit dem unteren Teil 6 verschweisst, wodurch der Hohlraum 8 auch an dieser Stelle abgedichtet wird.When welding the two handle parts 6, 7 together also the one inserted into the opening 27, with the Handle cushion 24 made of softer material filled projection 20 welded to the lower part 6, whereby the Cavity 8 is also sealed at this point.

Wie aus Fig. 13 ersichtlich sind die beiden Grifflächen 25, 26 der Aussenform des Handgriffes 3 ästhetisch angepasst.As can be seen from Fig. 13, the two gripping surfaces 25, 26 the outer shape of the handle 3 aesthetically customized.

Ähnlich wie das Griffkissen 24 können auch die aus Fig. 8 und 9 bereits bekannten Nocken 11 aus weichem Material in entsprechenden hülsenförmigen Vorsprüngen 30 (vgl. Fig. 14) des einen Handgriff-Teils 7 untergebracht werden, die in zugeordnete Öffnungen 12 des anderen Handgriff-Teils 6 eingesetzt und mit diesem verschweisst werden, wodurch auch hier die Abdichtung des Hohlraumes 8 gewährleistet ist.Similar to the grip cushion 24, the ones from FIG. 8 can also be used and 9 already known cams 11 made of soft material in corresponding sleeve-shaped projections 30 (see FIG. 14) of a handle part 7, which in assigned openings 12 of the other handle part 6 used and welded to it, whereby here also the sealing of the cavity 8 is ensured is.

Die erfindungsgemässe Zahnbürste ist in der Herstellung einfach und kostengünstig. Die hohle Form des Handgriffes 3 bedeutet Materialersparnis. Der obere Deckelteil 7 und /oder der untere Teil 6 können im Ein-, Zwei- oder Mehrkomponentenverfahren gespritzt werden. Da es sich bei den beiden Handgriff-Teilen 6, 7 um dünnwandige Teile handelt, kann bei der Herstellung im Spritzgussverfahren die Zeit für den Spritzgiessprozess herabgesetzt werden.The toothbrush according to the invention is in production simple and inexpensive. The hollow shape of the handle 3 means material savings. The upper cover part 7 and / or the lower part 6 can be in one, two or Multi-component processes are injected. Since it is the two handle parts 6, 7 around thin-walled parts can be used in the production by injection molding the time for the injection molding process can be reduced.

Der erfindungsgemässe Handgriff kann selbstverständlich auch bei anderen Zahnbürstentypen Verwendung finden, als in der Zeichnung dargestellt, z.B. bei Zahnbürsten, deren Kopfteil mit einem oder zwei auswechselbaren Bürstenköpfen ausgestattet ist.The handle according to the invention can of course can also be used with other toothbrush types, as shown in the drawing, e.g. for toothbrushes whose Headboard with one or two interchangeable brush heads Is provided.

Claims (23)

  1. Toothbrush having a bristle-carrying head part (2) and a handle (3), characterized in that the handle (3) is subdivided, over at least part of its length, into two parts (6, 7) which extend in the longitudinal direction of the toothbrush, are connected to one another and, together, enclose a cavity (8), and in that at least one of the two handle parts (6, 7) consists at least partially of an elastically compliant material.
  2. Toothbrush according to Claim 1, characterized in that the handle (3) has a bottom part (6), which is connected to the head part (2), and a top cover part (7), at least one of the two handle parts (6, 7) being of shell-like design.
  3. Toothbrush according to Claim 1, characterized in that the handle (3) has a top cover part (7), which is connected to the head part (2), and a bottom part (6), at least one of the two handle parts (6, 7) being of shell-like design.
  4. Toothbrush according to one of Claims 1 to 3, characterized in that the two handle parts (6, 7) are produced from different materials.
  5. Toothbrush according to one of Claims 1 to 4, characterized in that the two handle parts (6, 7) look different from one another.
  6. Toothbrush according to one of Claims 2 to 5, characterized in that the top cover part (7) and/or the bottom part (6) are/is produced by multi-component injection molding.
  7. Toothbrush according to one of Claims 1 to 6, characterized in that the cavity (8) is filled with an elastic material.
  8. Toothbrush according to one of Claims 1 to 6, characterized in that at least one of the two handle parts (6, 7) is at least partially transparent.
  9. Toothbrush according to one of Claims 2 to 6, characterized in that the top cover part (7) is at least partially transparent and that surface of the bottom part (6) which is visible from above is provided with an image or text.
  10. Toothbrush according to one of Claims 1 to 9, characterized in that the cavity (8), which is enclosed by the two handle parts (6; 7), is sealed off at the connecting location of the two parts (6, 7).
  11. Toothbrush according to Claims 8 and 10, characterized in that the cavity (8), which is enclosed by the two handle parts (6; 7), is filled with objects such as snowflakes, figures or other playthings.
  12. Toothbrush according to Claims 8 and 10, characterized in that the cavity (8), which is enclosed by the two handle parts (6; 7), is filled with a liquid preferably containing floating objects.
  13. Toothbrush according to Claim 10, characterized in that the cavity (8), which is enclosed by the two handle parts (6; 7), is filled with a gas.
  14. Toothbrush according to one of Claims 1 to 13, characterized in that the two handle parts (6; 7) are welded to one another, the outer edge produced during the welding operation being covered preferably wholly or partially with elastic rubber material.
  15. Toothbrush according to one of Claims 1 to 13, characterized in that the two handle parts (6; 7) are connected to one another in the manner of a snap-in connection which preferably cannot be detached by hand.
  16. Toothbrush according to Claim 15, characterized in that one of the two handle parts (6; 7) is provided with a sealing edge (17) preferably made of a thermoplastic elastomer.
  17. Toothbrush according to one of Claims 1 to 16, characterized in that the cavity (8), which is enclosed by the two handle parts (6; 7), extends essentially over the entire handle length.
  18. Toothbrush according to one of Claims 1 to 17, characterized in that one of the two handle parts (6; 7) is provided with an indentation (9) which serves as a thumb rest and is filled with an elastically compliant material, preferably an elastomer.
  19. Toothbrush according to one of Claims 1 to 18, characterized in that one of the two handle parts (7, 6) is provided with at least one, preferably more than one, protuberance (11), and the protuberances project with sealing action through associated openings (12) in the other part (6, 7).
  20. Toothbrush according to one of Claims 1 to 17, characterized in that at least one of the two handle parts (6, 7) is provided with a hole (10) which opens out into the cavity (8) and is preferably sealed off in the outward direction by a membrane (13) made of elastically compliant material.
  21. Toothbrush according to one of Claims 1 to 20, characterized in that a wedge-shaped recess (14) running transversely to the longitudinal direction of the toothbrush is formed in one of the two handle parts (6, 7) and is filled with an elastically compliant material.
  22. Toothbrush according to one of Claims 1 to 20, characterized in that one of the two handle parts (7, 6) is provided with at least one, preferably more than one, sleeve-like protrusion (20; 30), the protrusions being arranged transversely to the longitudinal direction of the toothbrush, being filled with an elastically compliant material, projecting through associated openings (12; 27) in the other part (6, 7) and being welded to the latter.
  23. Toothbrush according to Claim 22, characterized in that at least one of the protrusions (20) has an inner wall (22) which encloses an inner space which projects through the handle (3) and is filled with the elastically compliant material, which forms a grip pad (24).
EP99919023A 1998-10-08 1999-05-20 Tooth brush Expired - Lifetime EP1119272B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29817994U 1998-10-08
DE29817994U DE29817994U1 (en) 1998-10-08 1998-10-08 toothbrush
PCT/CH1999/000217 WO2000021405A1 (en) 1998-10-08 1999-05-20 Tooth brush

Publications (2)

Publication Number Publication Date
EP1119272A1 EP1119272A1 (en) 2001-08-01
EP1119272B1 true EP1119272B1 (en) 2002-12-04

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ID=8063668

Family Applications (1)

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EP99919023A Expired - Lifetime EP1119272B1 (en) 1998-10-08 1999-05-20 Tooth brush

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US (1) US6687940B1 (en)
EP (1) EP1119272B1 (en)
AT (1) ATE228789T1 (en)
AU (1) AU3697399A (en)
BR (1) BR9913375A (en)
DE (2) DE29817994U1 (en)
NO (1) NO20011774L (en)
WO (1) WO2000021405A1 (en)

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US9549607B2 (en) 2008-08-29 2017-01-24 Colgate-Palmolive Company Oral care implement
USD631257S1 (en) 2009-12-15 2011-01-25 Colgate-Palmolive Company Toothbrush
USD642804S1 (en) 2009-12-15 2011-08-09 Colgate-Palmolive Company Toothbrush
USD655917S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD655918S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD671325S1 (en) 2009-12-15 2012-11-27 Colgate-Palmolive Company Toothbrush

Also Published As

Publication number Publication date
BR9913375A (en) 2001-11-06
AU3697399A (en) 2000-05-01
WO2000021405A1 (en) 2000-04-20
NO20011774L (en) 2001-06-08
EP1119272A1 (en) 2001-08-01
ATE228789T1 (en) 2002-12-15
NO20011774D0 (en) 2001-04-06
DE29817994U1 (en) 1999-04-22
US6687940B1 (en) 2004-02-10
DE59903681D1 (en) 2003-01-16

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