EP2181621A1 - Brosse à dents - Google Patents

Brosse à dents Download PDF

Info

Publication number
EP2181621A1
EP2181621A1 EP08018786A EP08018786A EP2181621A1 EP 2181621 A1 EP2181621 A1 EP 2181621A1 EP 08018786 A EP08018786 A EP 08018786A EP 08018786 A EP08018786 A EP 08018786A EP 2181621 A1 EP2181621 A1 EP 2181621A1
Authority
EP
European Patent Office
Prior art keywords
handle
toothbrush
recess
toothbrush according
recesses
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.)
Withdrawn
Application number
EP08018786A
Other languages
German (de)
English (en)
Inventor
Kathi Ballmaier
Tilmann Winkler
Sören Wasow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braun GmbH filed Critical Braun GmbH
Priority to EP08018786A priority Critical patent/EP2181621A1/fr
Priority to BRPI0920835A priority patent/BRPI0920835A2/pt
Priority to CN2009801417211A priority patent/CN102186375A/zh
Priority to PCT/IB2009/054791 priority patent/WO2010049901A2/fr
Publication of EP2181621A1 publication Critical patent/EP2181621A1/fr
Priority to US12/828,690 priority patent/US20100263149A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • 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
    • A46B5/021—Grips or handles specially adapted to conform to the hand
    • 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

Definitions

  • the present invention relates to a toothbrush having an upper side and an opposite lower side, with a head, on the upper side tooth cleaning elements are provided, with a handle having a recess and with a neck connecting the head to the handle, wherein a longitudinal direction the toothbrush extends from a free end of the handle to the free end of the head.
  • the toothbrush has a recess which is formed such that an at least finger-wide recessed grip is formed by the wall sections bounding the recess to the outside.
  • the recessed grip is thus not formed by the recess inwardly bounding wall sections, but by the formed in cooperation with the other cross-sectional shape of the outer handle portion outer limiting wall sections of the recess.
  • the recessed grip thus formed is formed at least finger width, so that despite reduced material usage through the recess improved handling of the toothbrush is provided by the recessed grip.
  • the recessed grip has two raised flanks or abutment shoulders for the finger arranged opposite one another in the longitudinal direction of the toothbrush.
  • at least one raised flank or contact shoulder is provided.
  • the distance between the flank high points is at least 1 cm.
  • At least two, three or four recessed grips are formed by the recesses on the handle.
  • the recesses can be delimited from one another by partitions or blended seamlessly without partitions and thus form a common large recess.
  • four grips is made possible that the thumb can be safely stored on one side of the toothbrush handle and the remaining four fingers also find around the recess around recessed handles over which the toothbrush can be safely detected by the entire hand.
  • the recessed grip is not formed by the inner depth extension of the recess, but by the outwardly bounding wall sections of the recess, in particular in cooperation with the other handle shape.
  • the at least one recess is arranged on the side of the handle opposite to the side with the tooth cleaning elements and open only to the underside of the handle, so that the at least one recess limiting grip walls or wall sections in the cross-sectional view, ie 90 ° transverse to the longitudinal direction of the toothbrush, forming an inverted U. Due to the recess on the underside of the toothbrush, which is surrounded on three sides seen in section by walls, a good mold release from the injection mold is unchanged given. Furthermore, the U-structure forms a mechanically rigid structure in the section of the wall sections around the recess, so that the overall strength of the toothbrush is sufficiently strong. So z. B. in recesses that form a mutual breakthrough by the toothbrush head, the flexural rigidity deteriorates greatly, as far as to the same extent as present material in the grip area is saved.
  • the side cheeks of the handle form a sidecut.
  • the sidecut in combination with the recessed grips thus forms a further improvement of the ergonomics of the toothbrush and variability of the possibilities of use of the toothbrush especially for Asian users.
  • the sidecut provides for further material savings even in the outer region of the handle, because only in the end regions of the handle, a cross-sectional widening is provided; - So in the places where the enlarged outer cross section of the handle to improve ergonomics contributes.
  • the handle on the top and on the underside adjacent to the neck ever a thumb rest on.
  • the thumb rest is formed on the underside in the present case by the recessed grip of the recess.
  • the thumb rest has at its edge regions, in particular in the longitudinal direction of the toothbrush on a raised investment structure, so that between these raised flanks or investment structures or shoulders of the thumb rests securely on both sides of the toothbrush and does not slip in use or immersed in the recess.
  • the top of the handle on a plurality of finger wide recesses is therefore not smooth but structured with light (a few mm) wells provided, so that even on the top of the handle all fingers, depending on the brushing technique of the user, find a secure support.
  • the recesses are in this case made small, because on the back of the wells, the recess is formed in the handle.
  • the outline of the underside of the handle describes a concave curvature.
  • the end portions of the underside of the handle describe the lowest points of the arc curvature and the approximately central region of the handle underside in side view of the toothbrush describes the high point of the bow curvature.
  • the U-shaped handle walls to the top of the handle out, so the handle wall connecting the two U-legs has a thinner wall thickness than the side walls or side legs of the U-section.
  • the at least one recess is formed by a cavity in elliptical shape.
  • the recesses In a plane parallel to the receiving surface for the tooth cleaning elements on the head, the recesses have an elliptical shape.
  • the at least one elliptical cavity is aligned in the handle such that the narrow side adjacent to the side cheeks and the longitudinal sides of the ellipses are aligned with the free ends of the toothbrush.
  • a plurality of elliptical cavities are formed by the recesses and open to each other in the longitudinal direction, ie delimited without partitions, so that the individual elliptical cavities or recesses form a common large recess.
  • the formation of the recess as an elliptical cavity facilitates the advantageous provision of recessed grips around the recesses around.
  • the toothbrush is made of polypropylene.
  • the toothbrush is very easy to produce by injection molding.
  • the toothbrush can be produced by a one-component injection molding.
  • the toothbrush in multi-component injection molding can be produced and possibly also provided with soft components, such as thermoplastic elastomers.
  • Fig. 1 shows a perspective view of the top of a toothbrush with a head 1, an adjoining neck 2 and in turn adjoining the neck handle 3.
  • the top of the toothbrush has in the region of the head 1 tooth cleaning elements in the form of bristle tufts 4.
  • the top of the handle 3 has a thumb rest 5, which is formed as a recess in the surface structure.
  • the thumb rest 5 in particular has a contact shoulder 6 in the longitudinal direction of the toothbrush towards the head and a contact shoulder 7 in the longitudinal direction of the toothbrush towards the free end 8 of the handle.
  • the thumb rest is, as in particular from the top view of the toothbrush in Fig. 2 emerges elliptical and provided with concentric elliptical corrugations, which also increase the grip in the area of the thumb rest.
  • the top of the handle 3 has further only a few millimeters in the structure of the surface of the handle reaching into depressions 9, 10, 11 and 12, which adjoin the thumb rest to the free end 13 and how the thumb rest are formed about finger width in the longitudinal direction.
  • the recesses 9, 10, 11 and 12 are also formed substantially elliptical, so that in each case oblique bearing shoulders for the fingers are given to the wells. Notwithstanding the presented elliptical formation of the recesses, these can also have a different geometric shape.
  • a significant sidecut 14 of the handle 3 is provided in a plane which is approximately parallel to Borstenbestopfungsebene 17 of the head 1. In this plane, an enlarged outline cross-section 15 is thus provided around the thumb rest 5 and, at the other end of the grip adjacent to the free end 13, an enlarged cross section of the grip 16 is given.
  • FIG. 3 A side view of the toothbrush, shows the waist is slightly pronounced in the approximately central area in the side view of the toothbrush.
  • the toothbrush has from its handle-side free end 13 to the head-side free end 20 has an approximately s-shaped basic shape.
  • the toothbrush top 18 has several abutment shoulders or high points, which delimit the individual ellipses or the finger depressions 5, 9, 10, 11, 12, which are understood therein.
  • the toothbrush base 19 has a concave or arcuate curvature towards the center of the handle in the grip area.
  • This stronger curvature of the underside of the handle is reproduced by the upper side of the handle less visible to the outside in side view.
  • the underside of the handle is curved not only arcuately concave towards the toothbrush interior, but the outline is further formed in side view slightly wavy structured in outline.
  • This waveform 23 is due to the different recessed grips on the bottom 19 of the handle 3, because the recessed grips are delimited on the bottom by flanks or shoulders and finally by high points to each other.
  • a first recessed grip is formed opposite to the thumb rest 5 on the upper side at the same end adjacent to the neck also on the lower side 19. The thumb or forefinger can thus be received in the grip 24 adjacent to the neck on the underside 19.
  • the recessed grip 24 has two oppositely disposed, raised flanks 29, 30 which extend in the longitudinal direction of the toothbrush, in particular along the longitudinal axis AA in FIG Fig. 2 are arranged opposite one another.
  • the one flank 29 of the recessed grip 24 is thus arranged adjacent to the neck and prevents slippage of the finger received in the recessed grip towards the neck and the other shoulder or flank 30 of the recessed grip 24 is arranged facing the free end 13.
  • further recessed grips 25, 26, 27 and 28 are formed on the underside 19 of the handle 3.
  • this handle thus provides five finger recesses on the top of the handle and five corresponding recessed grips on the bottom of the handle. Alternatively, fewer depressions or recessed grips are formed. Due to the large number of recessed grips and the resulting undulating outline structure along the underside of the handle, a particularly good grip of the toothbrush and handling is ensured.
  • Fig. 4 shows a longitudinal sectional view through the toothbrush along the line AA in Fig. 2
  • recesses 31, 32, 33, 34 and 35 are provided, which are not separated from each other by partitions in this embodiment and thus form a common large recess.
  • These recesses 31 to 35 are bounded in the transverse direction by three walls, namely the side cheeks 36 and 37 (see Fig. 5 ) and the inner back 38 of the top of the handle portion 3.
  • These three walls form an untwisted U in a sectional plane the perpendicular and transverse to the section line AA in Fig. 2 lies.
  • the recesses thus extend over the entire grip area of the toothbrush.
  • Fig. 5 and Fig. 6 is formed by the recessed grips 24 to 28 on the underside of the handle not only a waveform with flank high points and concave depressions in the respective recesses around the recess around, but also a waveform in plan view of the recesses 31 to 35, which is due to the respective elliptical shape of the cavity of the recesses.
  • the resulting from the shape of the recesses notch is taken from the bottom of the handle so that the outwardly bounding wall sections form fingerumble recessed grips.
  • Finger width means in this case approximately at least 1 cm wide in the longitudinal direction of the toothbrush of the recessed grip.
  • the length of the recessed grip from one flank high point to the next flank high point of the adjacent recessed grip in the longitudinal direction of the handle varies for the different grip recesses between 10 and 40 mm.
  • Each grip on the underside of the handle is designed differently sized, because different amounts of space for the different fingers is needed and the sidecut of the toothbrush handle anyway affects the handle recess width and length.
  • the wall thickness of the top of the handle which coincides with the side of the tooth cleaning elements, is thinner in this variant than the wall thickness of the side cheeks 36 and 37 of the handle, so that a certain flexibility of the handle and the brush body in the plane through the section AA in the Fig. 2 is given and a reduced flexibility of the toothbrush in the lateral direction is possible.
  • the thinner design of the top of the handle allows the realization of other decorative structures that appear when using a transparent or translucent plastic as a base material for the toothbrush body with a different, lighter density than the other walls of the toothbrush.
  • the toothbrush further comprises a tongue cleaner 40 on the head bottom, which is formed by ribs.
  • the handle structure shown here can be combined with any desired bristle pattern or tongue cleaner pattern or even without tongue cleaner pattern on the back of the head.
  • fewer recessed grips can be formed on the underside of the handle.
  • openings are also provided on the upper side of the handle, as long as the associated destabilization of the handle structure is desired.
  • the toothbrush is made of polypropylene, but could also be made of a different plastic material. This toothbrush is injected from a plastic component by injection molding. Alternatively, further plastic components, in particular elastomeric plastics can be formed on the head, on the neck or on the grip area according to the multi-component injection molding process.

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  • Brushes (AREA)
EP08018786A 2008-10-28 2008-10-28 Brosse à dents Withdrawn EP2181621A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08018786A EP2181621A1 (fr) 2008-10-28 2008-10-28 Brosse à dents
BRPI0920835A BRPI0920835A2 (pt) 2008-10-28 2009-10-28 escova de dentes
CN2009801417211A CN102186375A (zh) 2008-10-28 2009-10-28 牙刷
PCT/IB2009/054791 WO2010049901A2 (fr) 2008-10-28 2009-10-28 Brosse à dent
US12/828,690 US20100263149A1 (en) 2008-10-28 2010-07-01 Toothbrush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08018786A EP2181621A1 (fr) 2008-10-28 2008-10-28 Brosse à dents

Publications (1)

Publication Number Publication Date
EP2181621A1 true EP2181621A1 (fr) 2010-05-05

Family

ID=40512237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08018786A Withdrawn EP2181621A1 (fr) 2008-10-28 2008-10-28 Brosse à dents

Country Status (5)

Country Link
US (1) US20100263149A1 (fr)
EP (1) EP2181621A1 (fr)
CN (1) CN102186375A (fr)
BR (1) BRPI0920835A2 (fr)
WO (1) WO2010049901A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3804560A1 (fr) * 2019-10-09 2021-04-14 Trisa Holding AG Produit d'hygiène buccale

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011034982A2 (fr) * 2009-09-17 2011-03-24 Brattesani Steven J Appareil indicateur de nuance de dent et procédé d'évaluation de nuance de dent
CA2784060C (fr) * 2009-12-18 2015-02-03 Colgate-Palmolive Company Outil de soin buccal dote d'un corps dispose a l'interieur de la poignee
USD676245S1 (en) * 2010-03-30 2013-02-19 Colgate-Palmolive Company Oral care implement
PL2642886T3 (pl) * 2010-11-22 2017-12-29 Braun Gmbh Szczoteczka do zębów
JP2012152497A (ja) * 2011-01-28 2012-08-16 Shiiai Medical:Kk 歯ブラシ
US20140230256A1 (en) * 2013-02-20 2014-08-21 The Gillette Company Hand held device
EP3023028B1 (fr) 2014-11-19 2023-11-15 The Gillette Company LLC Tête pour un instrument de soin buccal
EP3023030B1 (fr) * 2014-11-19 2023-11-22 The Gillette Company LLC Tête pour un instrument de soin buccal
EP3023029B1 (fr) * 2014-11-19 2023-10-11 The Gillette Company LLC Tête pour un instrument de soin buccal
WO2016105372A1 (fr) 2014-12-23 2016-06-30 Colgate-Palmolive Company Accessoire de soins buccaux
CN110432643B (zh) 2014-12-23 2021-07-16 高露洁-棕榄公司 口腔护理器具
CN111067240B (zh) 2014-12-23 2022-05-27 高露洁-棕榄公司 具有多部件柄部的口腔护理器具
CN110547589B (zh) 2014-12-23 2021-07-16 高露洁-棕榄公司 口腔护理器具
EP3223652B1 (fr) 2014-12-23 2021-07-21 Colgate-Palmolive Company Ustensile pour l'hygiène bucco-dentaire comportant un manche à éléments multiples
CN113303584A (zh) 2014-12-23 2021-08-27 高露洁-棕榄公司 口腔护理器具
CA2970622C (fr) 2014-12-23 2022-05-24 Colgate-Palmolive Company Ustensile de soin buccal
USD780457S1 (en) 2014-12-23 2017-03-07 Colgate-Palmolive Company Oral care implement
EP3622853B1 (fr) 2014-12-23 2021-08-04 Colgate-Palmolive Company Instrument de soin buccal
US11291293B2 (en) 2014-12-23 2022-04-05 Colgate-Palmolive Company Oral care implement
WO2016105368A1 (fr) 2014-12-23 2016-06-30 Colgate-Palmolive Company Instrument de soin buccal ayant un manche à multiples éléments
EP3223658B1 (fr) 2014-12-23 2022-09-07 Colgate-Palmolive Company Instrument de soin buccal
TWD176249S (zh) * 2015-03-27 2016-06-11 美國棕欖公司 口腔保健用具
TWD176556S (zh) * 2015-06-30 2016-06-21 韓國迪奧科技有限公司 牙刷
US20170007013A1 (en) 2015-07-08 2017-01-12 Marielle Pariseau Oral hygiene instrument and method
USD776937S1 (en) 2015-07-23 2017-01-24 Colgate-Palmolive Company Oral care implement
USD777446S1 (en) 2015-07-23 2017-01-31 Colgate-Palmolive Company Oral care implement handle
USD778062S1 (en) * 2015-08-06 2017-02-07 The Gillette Company Llc Toothbrush
EP3387946B1 (fr) * 2017-04-10 2023-05-24 The Gillette Company LLC Instrument d'hygiène buccale et procédé de fabrication d'un tel instrument d'hygiène buccale
USD882271S1 (en) 2017-05-17 2020-04-28 The Gillette Company Llc Toothbrush head
US10709533B2 (en) 2017-12-12 2020-07-14 Colgate-Palmolive Company Oral care implement and handle and refill head thereof
US10631964B2 (en) 2017-12-12 2020-04-28 Colgate-Palmolive Company Oral care implement
USD846883S1 (en) 2017-12-12 2019-04-30 Colgate-Palmolive Company Handle of an oral care implement
USD891784S1 (en) 2018-12-18 2020-08-04 Colgate-Palmolive Company Electric toothbrush handle
EP3827700A1 (fr) * 2019-11-27 2021-06-02 Trisa Holding AG Outil de soin buccal
US11350729B2 (en) 2019-12-03 2022-06-07 Colgate-Palmolive Company Oral care implement
USD960582S1 (en) 2020-12-10 2022-08-16 Colgate-Palmolive Company Oral care refill head
US11877608B1 (en) * 2022-12-07 2024-01-23 Carl Stuckey Hand protecting device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351358A (en) 1992-08-27 1994-10-04 Larrimore Babatu Toothbrush
US5908038A (en) 1997-06-16 1999-06-01 Chesebrough-Pond's Usa Co. Unitarily molded toothbrush
WO2004026162A2 (fr) 2002-09-20 2004-04-01 Colgate-Palmolive Company Brosse a dent avec zone prehension
EP1621105A1 (fr) 2004-07-31 2006-02-01 Trisa Holding AG Brosse a dant avec cavités
WO2007025752A1 (fr) 2005-08-31 2007-03-08 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Brosse à dent
WO2007030958A1 (fr) 2005-09-16 2007-03-22 Trisa Holding Ag Poignee de brosse, notamment de brosse a dents

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4558384B2 (ja) * 2004-06-15 2010-10-06 ライオン株式会社 歯ブラシ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351358A (en) 1992-08-27 1994-10-04 Larrimore Babatu Toothbrush
US5908038A (en) 1997-06-16 1999-06-01 Chesebrough-Pond's Usa Co. Unitarily molded toothbrush
WO2004026162A2 (fr) 2002-09-20 2004-04-01 Colgate-Palmolive Company Brosse a dent avec zone prehension
EP1621105A1 (fr) 2004-07-31 2006-02-01 Trisa Holding AG Brosse a dant avec cavités
WO2007025752A1 (fr) 2005-08-31 2007-03-08 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Brosse à dent
WO2007030958A1 (fr) 2005-09-16 2007-03-22 Trisa Holding Ag Poignee de brosse, notamment de brosse a dents

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3804560A1 (fr) * 2019-10-09 2021-04-14 Trisa Holding AG Produit d'hygiène buccale
WO2021069693A3 (fr) * 2019-10-09 2021-07-01 Trisa Holding Ag Produit d'hygiène bucco-dentaire

Also Published As

Publication number Publication date
BRPI0920835A2 (pt) 2015-12-22
US20100263149A1 (en) 2010-10-21
CN102186375A (zh) 2011-09-14
WO2010049901A3 (fr) 2010-07-15
WO2010049901A2 (fr) 2010-05-06

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