EP0930030A2 - Tête de brosse à dents flexible - Google Patents

Tête de brosse à dents flexible Download PDF

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Publication number
EP0930030A2
EP0930030A2 EP98121937A EP98121937A EP0930030A2 EP 0930030 A2 EP0930030 A2 EP 0930030A2 EP 98121937 A EP98121937 A EP 98121937A EP 98121937 A EP98121937 A EP 98121937A EP 0930030 A2 EP0930030 A2 EP 0930030A2
Authority
EP
European Patent Office
Prior art keywords
brush head
bristle
bristle carrier
tunnel
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.)
Granted
Application number
EP98121937A
Other languages
German (de)
English (en)
Other versions
EP0930030B1 (fr
EP0930030A3 (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.
  • the object of the present invention is to provide a flexible, to create adaptable brush head that one better cleaning of the teeth allowed.
  • the brush head according to the invention is due to its Construction very flexible. He has a bristle holder from a first, hard but elastic plastic, through at least one recess that the bristle carrier transverse to the longitudinal axis of the brush head in the form of a Penetrates tunnels in at least two along the Longitudinal segments of the brush head is divided.
  • the segments of the bristle carrier and preferably also the Tunnels extend across the entire width of the brush head, the tunnel preferably having a second, in relation to the first plastic of the bristle holder much softer, rubbery elastic plastic is filled in so that there is no risk that Fix contaminants in the tunnel.
  • the individual segments can be constructed deflect the bristle holder against each other, what in a Flexibility of the brush head results. There one Bending the brush head by one across it Longitudinal axis can be an adjustment both on the outside and on the inside of the teeth possible what a more thorough cleaning of 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 carrier 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 area 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 bundles of bristles 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 around 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 side 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.
  • the one-piece connection between the brush handle 12 and Brush head 14 and the connection of the tunnels 20 to one another enables via the side groove 30 of the bristle carrier 16 together with the connection of side groove 30 and Griffnut 26 a very simple manufacture of the whole Toothbrush with the brush head 14 according to the invention Two-component injection molding process.
  • 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.
  • 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 entirely 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-carrying Side of the brush head 14 as a trough-like recessed Grooves appear (Fig. 2a).
  • Under at Use occurring strain these stretch slightly curved areas 22 of the bristle carrier 16 (FIG. 2d) and put another in a fully tensioned state Bending the bristle carrier 16 a resistance contrary (Fig. 2e).
  • 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 you use 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 intermediate tunnel area is reached (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-like 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.
  • the middle segment 17 and the one opposite the brush handle 12 Segment 17 '' of the bristle carrier 16 are in this embodiment by 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 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 dispensed with 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 be. As shown in Figures 2a-2e and 3a-3g Described embodiment, 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 towards their center improved 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 folded accordion-like configuration.
  • 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 21st 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)
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
CH9098 1998-01-16
CH00090/98A CH692376A5 (de) 1998-01-16 1998-01-16 Flexibler Bürstenkopf für eine Zahnbürste.
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 true EP0930030A2 (fr) 1999-07-21
EP0930030A3 EP0930030A3 (fr) 1999-08-25
EP0930030B1 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)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000074522A1 (fr) * 1999-06-03 2000-12-14 Unilever N.V. Brosse electrique
WO2007009276A1 (fr) * 2005-07-19 2007-01-25 Trisa Holding Ag Tete de brosse a dents
US7841041B2 (en) 2002-08-09 2010-11-30 Colgate-Palmolive Company Oral care implement
US7845042B2 (en) * 2002-08-09 2010-12-07 Colgate-Palmolive Company Oral care implement
US8151397B2 (en) 2002-08-09 2012-04-10 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8281448B2 (en) 2005-10-24 2012-10-09 Colgate-Palmolive Company Oral care implement having one or more moving sections
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
CN104135892A (zh) * 2012-03-01 2014-11-05 高露洁-棕榄公司 口腔护理器具
DE10303548B4 (de) * 2003-01-29 2016-10-20 M + C Schiffer Gmbh Bürste und Verfahren zu deren Herstellung
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6886207B1 (en) * 1999-06-14 2005-05-03 The Procter & Gamble Company Toothbrush
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US7614111B2 (en) 2002-08-09 2009-11-10 Colgate-Palmolive Company Oral care implement
US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
RU2314775C2 (ru) * 2003-04-23 2008-01-20 Дзе Проктер Энд Гэмбл Компани Электрическая зубная щетка
US20060075588A1 (en) * 2004-10-12 2006-04-13 Amador Aaron S Multi-purpose adjustable toothbrush
US20060283473A1 (en) * 2005-06-16 2006-12-21 Goody Products, Inc. Ouchless comb
USD637003S1 (en) * 2006-05-08 2011-05-03 Colgate-Palmolive Company Toothbrush
USD637400S1 (en) * 2006-05-08 2011-05-10 Colgate-Palmolive Company Toothbrush
US20070267333A1 (en) * 2006-05-18 2007-11-22 Aspen Pet Products, Inc. Waste scoop
CA2677180C (fr) 2007-02-02 2012-07-03 The Gillette Company Dispositifs d'hygiene orale ayant des elements flexibles et leurs procedes de fabrication
US20110030160A1 (en) * 2009-08-06 2011-02-10 Mcneil-Ppc, Inc. Bristle configuration
GB0919564D0 (en) * 2009-11-09 2009-12-23 Bugbrush Ltd Infant toothbrush
US20140359955A1 (en) * 2013-06-05 2014-12-11 Acumen Co., Ltd. Toothbrush
CN104510153B (zh) * 2014-12-29 2016-03-09 宁波丹龙电器制造有限公司 可调节刷毛作用范围的刷头

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002165A1 (fr) * 1994-07-13 1996-02-01 The Procter & Gamble Company Brosse a dents a tete souple, elastique, pourvue de poils
WO1997025899A1 (fr) * 1996-01-18 1997-07-24 The Procter & Gamble Company Brosse a dents a tete souple pourvue de charges elastomeres

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US1928328A (en) * 1931-11-25 1933-09-26 Erik Dempster Lindegren Toothbrush
US2443297A (en) * 1947-02-08 1948-06-15 Louis R Bressler Toothbrush
US2676350A (en) 1953-03-16 1954-04-27 Stanley Home Products Inc Toothbrush with a flexible head
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FR1524055A (fr) 1966-05-18 1968-05-10 Leclerc Sa Des Ets Perfectionnements apportés à la réalisation des têtes de brosses et en particulier des têtes de brosses à dents
US3683442A (en) * 1971-04-05 1972-08-15 Hollymatic Corp Toothbrush
US4502497A (en) * 1983-01-28 1985-03-05 Joseph Siahou Toothbrush for polarizing the active ingredients of toothpaste
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CA2064828C (fr) 1990-06-15 2002-04-09 Victor Alfred Humphries Brosse a dents
GB9106511D0 (en) 1991-03-27 1991-05-15 Lingner & Fischer Gmbh Novel article
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US5524319A (en) * 1995-05-31 1996-06-11 Avidor; Joseph Toothbrush having spring-mounted bristle holders
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US5946759A (en) 1996-01-18 1999-09-07 The Procter & Gamble Company Brush head
US5673452A (en) * 1996-08-12 1997-10-07 Chang; Ching-Min Toothbrush
US5839149A (en) * 1996-08-26 1998-11-24 Scheier; Paul A. Toothbrush with resilient flexible bristle support
US6514445B1 (en) 1996-12-24 2003-02-04 The Procter & Gamble Company Brush making
US5946758A (en) * 1997-06-24 1999-09-07 Colgate-Palmolive Company Toothbrush having contouring multi-component head with peel-resistant joint and limited flexibility

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002165A1 (fr) * 1994-07-13 1996-02-01 The Procter & Gamble Company Brosse a dents a tete souple, elastique, pourvue de poils
WO1997025899A1 (fr) * 1996-01-18 1997-07-24 The Procter & Gamble Company Brosse a dents a tete souple pourvue de charges elastomeres

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000074522A1 (fr) * 1999-06-03 2000-12-14 Unilever N.V. Brosse electrique
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US7975346B2 (en) 2002-08-09 2011-07-12 Colgate-Palmolive Company Oral care implement
US8151397B2 (en) 2002-08-09 2012-04-10 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US7841041B2 (en) 2002-08-09 2010-11-30 Colgate-Palmolive Company Oral care implement
US8561247B2 (en) 2002-08-09 2013-10-22 Colgate-Palmolive Company Oral care implement
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush
US7845042B2 (en) * 2002-08-09 2010-12-07 Colgate-Palmolive Company Oral care implement
US10512323B2 (en) 2002-08-09 2019-12-24 Colgate-Palmolive Company Oral care implement
DE10303548B4 (de) * 2003-01-29 2016-10-20 M + C Schiffer Gmbh Bürste und Verfahren zu deren Herstellung
WO2007009276A1 (fr) * 2005-07-19 2007-01-25 Trisa Holding Ag Tete de brosse a dents
US8281448B2 (en) 2005-10-24 2012-10-09 Colgate-Palmolive Company Oral care implement having one or more moving sections
US9271564B2 (en) 2005-10-24 2016-03-01 Colgate-Palmolive Company Oral care implement having one or more moving sections
US8578546B2 (en) 2005-10-24 2013-11-12 Colgate-Palmolive Company Oral care implement having one or more moving pieces
US8857919B2 (en) 2005-10-24 2014-10-14 Colgate-Palmolive Company Oral care implement having one or more moving sections
CN104135892A (zh) * 2012-03-01 2014-11-05 高露洁-棕榄公司 口腔护理器具
CN104135892B (zh) * 2012-03-01 2016-06-01 高露洁-棕榄公司 口腔护理器具
AU2012371679B2 (en) * 2012-03-01 2015-01-29 Colgate-Palmolive Company Oral care implement
US9486059B2 (en) 2012-03-01 2016-11-08 Colgate-Palmolive Company Oral care implement
US10244855B2 (en) 2012-03-01 2019-04-02 Colgate-Palmolive Company Oral care implement

Also Published As

Publication number Publication date
TW419362B (en) 2001-01-21
EP0930030B1 (fr) 2003-05-07
BR9900048A (pt) 2001-04-17
US6708364B1 (en) 2004-03-23
CH692376A5 (de) 2002-05-31
EP0930030A3 (fr) 1999-08-25
DE59808258D1 (de) 2003-06-12

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