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EP0930030B1 - Tête de brosse à dents flexible - Google Patents

Tête de brosse à dents flexible Download PDF

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Publication number
EP0930030B1
EP0930030B1 EP98121937A EP98121937A EP0930030B1 EP 0930030 B1 EP0930030 B1 EP 0930030B1 EP 98121937 A EP98121937 A EP 98121937A EP 98121937 A EP98121937 A EP 98121937A EP 0930030 B1 EP0930030 B1 EP 0930030B1
Authority
EP
European Patent Office
Prior art keywords
brush head
bristle carrier
bristle
tunnels
brush
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
EP98121937A
Other languages
German (de)
English (en)
Other versions
EP0930030A3 (fr
EP0930030A2 (fr
Inventor
Beat Huber
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
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 Trisa Holding AG filed Critical Trisa Holding AG
Priority claimed from PCT/CH1999/000125 external-priority patent/WO2000056186A1/fr
Publication of EP0930030A2 publication Critical patent/EP0930030A2/fr
Publication of EP0930030A3 publication Critical patent/EP0930030A3/fr
Application granted granted Critical
Publication of EP0930030B1 publication Critical patent/EP0930030B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0025—Brushes with elastically deformable heads that change shape during use
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use

Definitions

  • the invention relates to a flexible brush head for a toothbrush.
  • a flexible brush head is this Described type, which has a bristle carrier in which Bristles are anchored by the bristle-bearing, protrude and close the upper side of the bristle holder Bristle bundles are combined.
  • the bristle holder is through recesses that are transverse to the longitudinal axis of the Brush head extend, divided into segments that over Crosspieces are connected to each other.
  • the Recesses are formed as grooves that are used for bristle-bearing, upper side of the bristle carrier or this bristle-bearing side opposite, lower Side are open.
  • the connecting webs enforce the Grooves and are between the top and bottom of the bristle holder, about halfway up the Bristle carrier arranged.
  • the grooves are with one Filled with an elastomer that encloses the connecting webs.
  • the elastomer thus lies on both the bristle-bearing upper side of the bristle holder as well as on the opposite, lower side free. With one through Elastic deflection of the Bristle carrier can therefore the elastomer from the grooves be pushed out.
  • the flexibility of the brush head is by appropriate choice of the depth and width of the grooves established.
  • the present invention is based on the object a flexible, adaptable brush head to create the type mentioned, in which the extent the flexibility of the bristle holder on constructive can be controlled more effectively in a simple manner.
  • the brush head In the brush head according to the invention, they are transverse running recesses in the bristle carrier that this in Subdivide segments, designed as tunnels, both on the bristle-bearing top as well as on the Bottom of the bristle carrier through areas of the Bristle carrier, each between adjacent Extend segments are limited.
  • the tunnels are thus towards the top and bottom of the bristle holder completed.
  • the design of the tunnels bounding areas determines and influences that Bending behavior of the bristle carrier. Too big Deflection is avoided because the areas mentioned Movement of neighboring segments relative to each other limit.
  • the tunnels also lend the bristle carrier already without filling with a rubber-elastic material some flexibility.
  • the segments of the bristle carrier and preferably also the Tunnels span the entire width of the Brush head, the tunnel preferably with a second, in relation to the first plastic of the Bristle carrier much softer, rubbery elastic Plastic is filled so there is no danger that dirt gets stuck in the tunnel.
  • the construction described can be the individual Deflect segments of the bristle holder against each other, what results in flexibility of the brush head. There a bending of the brush head by one transverse to it Longitudinal axis can be done is a Adaptation to both the external teeth and the Inside of teeth possible, which means more thorough cleaning the teeth, the interdental spaces and the gum line allowed.
  • the brush head has more than just two segments and accordingly more than one tunnel, so flexibility increases the brush head and the effects described are reinforced.
  • the flexibility of the brush head can be further increased if the areas of the bristle holder that the Tunnel on the bristle-bearing or on that of the bristle-bearing Opposite side of the bristle holder Page limit be designed so that they are in Longitudinal direction of the brush head stretchable or compressible are. For greater stability of the brush head it is advisable to keep these areas only at a time on one side and advantageously on the bristle-bearing Design page in the stretchable form described.
  • An embodiment in is particularly suitable Shape of a bridge folded like an accordion. An easy one or by stretching the tunnel region of the bristle carrier delimiting on the sides mentioned yields elastically up to its elastic limit and thus acts as a bending limitation.
  • FIG. 1a-g show a toothbrush 10 with one part a brush handle 12 and a brush head 14 with a Bristle holder 16.
  • the bristle holder 16 from a first, hard but elastic plastic is through tunnel 20, which penetrate the bristle carrier 16 over its entire width, divided into five segments 17 (Fig. 1a, 1d), in which have different numbers of rows from to bristle bundles 18 combined bristles are anchored.
  • the segments 17 of the bristle carrier 16 extend like the tunnels 20 each across the entire width b of the brush head 14 (Fig. 1f, 1g).
  • the tunnels 20 between the segments 17th of the bristle carrier 16 (FIGS.
  • the bristle carrier 16 has the side in the middle of it Edge of the brush head 14 forming sides Side groove 30, which is the same height as the tunnel 20 has (Fig. 1b, 1e, 1f). About the more or less around the Whole brush head 14 side groove 30 running also with the second, soft, rubber-like elastic Plastic is filled, the tunnels 20 are together connected.
  • Brush head 14 and brush handle 12 are about the brush handle 12 adjacent segment 17 'of the bristle carrier 16 connected in one piece, the brush handle 12 also made of hard but elastic plastic of the bristle carrier 16 (Fig. 1a to 1d).
  • the Brush handle 12 has a grip groove 26 which is on the bristle-bearing side of the toothbrush 10 along the Longitudinal axis 24 of the toothbrush 10 extends (Fig. 1a). Short in front of the brush head 14 this grip groove 26 (FIG. 1a) and runs on the sides of the brush handle 12 obliquely towards the brush head 14 and goes into the side groove 30 over (Fig. 1b).
  • the grip groove 26 is like that Side groove 30 with the second, soft, rubber-like elastic Plastic filled.
  • FIGS. 2a to 2e shows a toothbrush 10 with a further embodiment of the brush head 14 and with a short section a brush handle 12.
  • the brush head 14, the one bristle carrier divided into three segments 17 by tunnel 20 16, is integral with the brush handle 12 molded (Fig. 2a).
  • the first one adjacent to the brush handle 12 Segment 17 'of the bristle carrier 16, in which also a number of bristle bundles 18 are anchored forms a transition area 32 to the brush handle 12.
  • FIGS. 1a to 1g are also between the segments 17 of the bristle carrier 16, which extends over the entire width of the brush head 14 extend, tunnel 20, which also over the entire width of the brush head 14 extend (Fig. 2a, 2b, 2d, 2e) and with the second, filled in soft, rubber-like elastic plastic are.
  • a side groove embedded in the side of the bristle carrier 16 30 that with the soft, elastic plastic is filled, as in the one in FIGS. 1a to 1g Embodiment shown, the tunnels 20 together.
  • the molded brush handle 12 on both side surfaces a groove 26 which in the transition area 32 in the Groove 30 of bristle carrier 16 merges (Fig. 2b, 2d and 2e) and with the second, soft, rubber-like elastic Plastic is filled.
  • the tunnels 20 are all of the first, hard, elastic Surround the plastic of the bristle carrier 16.
  • the areas 22 of the bristle carrier 16, the tunnel 20 on limit the bristle-bearing side of the toothbrush 10 (Fig. 2b, 2d, 2e), are very thin and slightly curved formed (Fig. 2b, 2c) so that they are on the bristle-bearing Side of the brush head 14 as a trough-like recessed Grooves appear (Fig. 2a).
  • the so shaped ones work Areas 22 of the bristle carrier 16 on the one hand increase flexibility and on the other hand as a bending limitation, which prevents excessive bending of the brush head.
  • the areas 22 'of the bristle carrier 16 which the tunnels 20th on the opposite side of the bristle-bearing side Side limit are also thin and elastic, so that when using the toothbrush Bending of the bristle carrier 16, as shown in Fig. 2e is shown to be elastically compressed.
  • the bristle bundles designated 18 'in FIGS. 2b, 2d and 2e, the rows adjacent to the tunnel 20 belong, are inclined.
  • the inclination is such that the respective bristle bundles 18 ′ arranged on both sides of a tunnel 20 are inclined towards each other, creating an overlap of the tunnel area in between (Fig. 2b and 2d).
  • FIGS. 3a to 3g has the same basic construction as that in the Fig. 2a-2e shown brush head 14. However, expand the tunnels 20 towards the edge of the brush head 14 trumpet-shaped (Fig. 3a).
  • the areas 22 of the bristle carrier 16, the tunnel 20 on the bristle-bearing Limit the side of the toothbrush 10 (Fig. 3c, 3f, 3g) also thin and slightly curved, so that also against the bristle-bearing side together with the edges of the segments 17 of the bristle carrier 16 transversely recessed trough-like recessed over the brush head 14 Form channels (Fig. 3a).
  • the channels formed by the areas 22 also appear on the bristle-bearing side of the brush head 14 in the top view in one against the edge of the brush head 14 trumpet-shaped expanding shape (Fig. 3a). How the areas 22 of the bristle carrier 16 in the in 2a to 2e described embodiment, act here too the areas 22 of the bristle carrier 16 increase flexibility and as a bend limit.
  • a space 34 which extends over the entire width of the brush head 14 (Fig. 3c, 3e), divided into two parts 17a, 17b.
  • This intermediate space 34 connects the tunnels 20 to one another, and is also with the second, soft, elastic Plastic filled (Fig. 3d).
  • the gap 34 with its soft, rubber-like elastic filling it that the segments 17 of the bristle carrier 16 along and across the longitudinal axis 24 of the brush head 14 can tilt.
  • Brush head 14 The basic construction of that shown in Figs. 4a to 4g Brush head 14 is the same as that in FIGS. 1a to 1g shown brush head 14. Both have one bristle carrier divided into five segments 17 by tunnel 20 16 made of hard, elastic plastic.
  • the brush handle 12 on the bristle-carrying Side opposite back of the toothbrush 10 has a grip groove 26 in the area of the brush head 14 into the groove 28 along the central longitudinal axis 24 ' the brush head 14 passes. Both grooves 26 and 28 are filled with the soft, rubber-like elastic plastic (Fig. 4c, 4d, 4e).
  • the tunnel 20 It is also possible to fill the tunnel 20 with the second, soft, elastic plastic.
  • the side groove 30 or the groove 28 and the grip groove 26 are omitted become.
  • segments 17 divided bristle holder 16 and the brush handle 12 of such an embodiment from only one Material, namely the first, hard, elastic plastic.
  • the brush head 14 designed according to the invention can not just used for a manual toothbrush as shown but also for slip-on toothbrushes, such as for Electric toothbrushes can be used.
  • slip-on toothbrush is the brush head according to the invention 16 connected with a plug-on part.
  • the brush head 14 in one piece with the brush handle 12 or the push-on part can form the brush head 14 also interchangeable with the brush handle 12 or the Plug-on part can be connected.
  • the configuration of the bristles or bristle bundles 18 can can also be varied, as shown in Fig. 3b by the different length of the bristle bundle 18 and the Partly cut brush surfaces already indicated is. As mentioned, it is also possible to intersecting bristles or bristle bundles 18, as in 2b and 2d, be useful and still also contribute to better cleaning of the dentition.
  • Those areas 22 of the bristle carrier 16 that the Tunnels 20 can be configured in different ways his. As in that shown in Figures 2a-2e and 3a-3g Embodiment described, the flexibility of the Brush head 14 are increased when the areas 22 of the Bristle carrier 16 designed thin and slightly curved become. The extensibility of these areas 22 in the longitudinal direction of the brush head 14 can e.g. also by a Dilution of the areas 22 improved towards their center become. A very advantageous because it is very stretchy The shape of these areas 22 is thin, in the longitudinal direction of the brush head 14 configuration folded like an accordion.
  • FIGS. 2a to 2es show a toothbrush 10 with a brush head 14, which is constructed analogously to that The embodiment shown in FIGS. 2a to 2es. Indeed are of the thin areas 22 and 22 ', which cover the tunnels 20, in the embodiment shown here the areas 22 on the bristle-bearing side of the brush head 14 through one over the entire Width of the brush head 14 extending parting plane 21 divided into two sections 22a and 22b, which are in the Normal state, as shown in Fig. 5a, closing touch. The parting plane widens under bending stress 21 to a gap 21 ', as shown in Fig.

Landscapes

  • Brushes (AREA)

Claims (17)

  1. Tête de brosse flexible pour brosses à dents (10), comprenant un support de poils (16) formé d'une première matière plastique dure élastique, dans lequel sont ancrés des poils regroupés en touffes de poils (18) qui dépassent d'un côté supérieur, supportant les poils, du support de poils (16), et qui est subdivisée en segments (17) reliés entre eux et disposés les uns derrière les autres dans l'axe longitudinal (24) de la tête de brosse (14), la subdivision du support de poils (16) en segments (17) étant assurée par un évidement (20) dans le support de poils (16) prévu à chaque fois entre des segments adjacents (17) et s'étendant transversalement à l'axe longitudinal (24) de la tête de brosse (14), caractérisée en ce que chaque évidement est réalisé sous forme de tunnel (20), qui est délimité par une zone (22, 22') du support de poils (16) s'étendant entre des segments adjacents (17), aussi bien sur le côté supérieur du support de poils (16) que sur le côté inférieur, en vis-à-vis de ce dernier, du support de poils (16), des segments adjacents (17) étant reliés entre eux sur le côté inférieur du support de poils (16) par la zone (22') délimitant le tunnel (20) situé entre ceux-ci.
  2. Tête de brosse suivant la revendication 1, caractérisée en ce que des segments adjacents (17) sont également reliés entre eux sur le côté supérieur du support de poils (16) par la zone (22) délimitant le tunnel (20) situé entre ceux-ci.
  3. Tête de brosse suivant l'une des revendications 1 et 2, caractérisée en ce que chaque tunnel (20) traverse le support de poils (16) sur toute la largeur de ce dernier.
  4. Tête de brosse suivant l'une des revendications 1 à 3, caractérisée en ce que les zones (22) du support de poils (16) qui délimitent les tunnels (20) sur le côté supportant les poils du support de poils (16) sont minces est extensibles dans la direction de l'axe longitudinal (24) de la tête de brosse (14).
  5. Tête de brosse suivant la revendication 4, caractérisée en ce que les zones (22) délimitant les tunnels (20) sur le côté supportant les poils du support de poils (16) sont pliées en accordéon dans la direction longitudinale de la tête de brosse (14).
  6. Tête de brosse suivant l'une des revendications 4 et 5, caractérisée en ce que les zones (22) délimitant les tunnels (20) sur le côté supportant les poils du support de poils (16) sont subdivisées en deux sections jointives (22a, 22b) par un plan de partage (21) s'étendant sur toute la largeur du support de poils (16).
  7. Tête de brosse suivant l'une des revendications 1 à 6, caractérisée en ce que les zones (22') du support de poils (16) qui délimitent les tunnels (20) sur le côté inférieur du support de poils (16) sont minces et compressibles élastiquement dans la direction de l'axe longitudinal (24) de la tête de brosse (14).
  8. Tête de brosse suivant la revendication 7, caractérisée en ce que les zones (22') délimitant les tunnels (20) sur le côté inférieur du support de poils (16) sont pliées en accordéon dans la direction longitudinale de la tête de brosse (14).
  9. Tête de brosse suivant l'une des revendications 1 à 8, caractérisée en ce que le support de poils (16) est subdivisé par au moins deux tunnels (20) en au moins trois segments (17), les tunnels (20) étant reliés entre eux.
  10. Tête de brosse suivant l'une des revendications 1 à 9, caractérisée en ce que chaque tunnel (20) est rempli d'une seconde matière plastique souple élastique.
  11. Tête de brosse suivant les revendications 9 et 10, caractérisée en ce que le support de poils (16) présente latéralement une rainure latérale (30), par l'intermédiaire de laquelle les tunnels (20) sont reliés entre eux et qui est remplie d'une seconde matière plastique souple élastique.
  12. Tête de brosse suivant les revendications 9 et 10, caractérisée par une rainure (28) disposée sur le côté inférieur du support de poils (16), s'étendant le long de l'axe longitudinal médian (24') de la tête de brosse (14), qui traverse le support de poils (16) en reliant entre eux les tunnels (20), et est remplie d'une seconde matière plastique souple élastique.
  13. Tête de brosse suivant les revendications 9 et 10, caractérisée par un espace intermédiaire (34), qui s'étend sur toute la largeur du support de poils (16) et sépare au moins une partie des segments (17, 17', 17'') du support de poils (16) à peu près à mi-hauteur (h) du support de poils (16), et qui relie entre eux au moins certains des tunnels (20) et est rempli de la seconde matière plastique souple à élasticité de caoutchouc.
  14. Tête de brosse suivant la revendication 13, caractérisée en ce que l'espace intermédiaire (34) s'étend jusque dans le segment (17'') faisant face à un manche de brosse (12), la partie supportant les poils (17a'') et la partie (17b'') du segment (17'') faisant face à la partie (17a'') étant reliées entre elles au moins en un endroit.
  15. Brosse à dents comprenant un manche (12) et une tête de brosse (14) reliée à ce dernier, ou un insert et une tête de brosse (14) reliée à ce dernier, caractérisée en ce que la tête de brosse (14) est agencée conformément à l'une des revendications 1 à 14.
  16. Brosse à dents suivant la revendication 15, caractérisée en ce que la tête de brosse (14) est conformée d'une seule pièce sur le manche (12) ou sur l'insert.
  17. Brosse à dents suivant la revendication 15, caractérisée en ce que la tête de brosse (14) est fixée de façon amovible sur le manche (12) ou sur l'insert.
EP98121937A 1998-01-16 1998-11-19 Tête de brosse à dents flexible Expired - Lifetime EP0930030B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH00090/98A CH692376A5 (de) 1998-01-16 1998-01-16 Flexibler Bürstenkopf für eine Zahnbürste.
CH9098 1998-01-16
PCT/CH1999/000125 WO2000056186A1 (fr) 1998-01-16 1999-03-23 Tete flexible pour une brosse a dents

Publications (3)

Publication Number Publication Date
EP0930030A2 EP0930030A2 (fr) 1999-07-21
EP0930030A3 EP0930030A3 (fr) 1999-08-25
EP0930030B1 true EP0930030B1 (fr) 2003-05-07

Family

ID=4179038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121937A Expired - Lifetime EP0930030B1 (fr) 1998-01-16 1998-11-19 Tête de brosse à dents flexible

Country Status (6)

Country Link
US (1) US6708364B1 (fr)
EP (1) EP0930030B1 (fr)
BR (1) BR9900048A (fr)
CH (1) CH692376A5 (fr)
DE (1) DE59808258D1 (fr)
TW (1) TW419362B (fr)

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US8393042B2 (en) 2002-08-09 2013-03-12 Colgate-Palmolive Company Oral care implement
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8839481B2 (en) 2002-08-09 2014-09-23 Colgate-Palmolive Company Oral care implement
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush

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CN104135892B (zh) * 2012-03-01 2016-06-01 高露洁-棕榄公司 口腔护理器具
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CN114431597A (zh) * 2020-11-05 2022-05-06 好维股份有限公司 一种具有单一产品多种刷毛面规格的高效清洁牙刷

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8393042B2 (en) 2002-08-09 2013-03-12 Colgate-Palmolive Company Oral care implement
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8839481B2 (en) 2002-08-09 2014-09-23 Colgate-Palmolive Company Oral care implement
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
US9167888B2 (en) 2002-08-09 2015-10-27 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US9545148B2 (en) 2002-08-09 2017-01-17 Colgate-Palmolive Company Oral care implement

Also Published As

Publication number Publication date
EP0930030A3 (fr) 1999-08-25
US6708364B1 (en) 2004-03-23
TW419362B (en) 2001-01-21
BR9900048A (pt) 2001-04-17
CH692376A5 (de) 2002-05-31
EP0930030A2 (fr) 1999-07-21
DE59808258D1 (de) 2003-06-12

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