EP1051093B1 - Zahnburste mit stäbe zur massage des zahnfleisches - Google Patents

Zahnburste mit stäbe zur massage des zahnfleisches Download PDF

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Publication number
EP1051093B1
EP1051093B1 EP99900978A EP99900978A EP1051093B1 EP 1051093 B1 EP1051093 B1 EP 1051093B1 EP 99900978 A EP99900978 A EP 99900978A EP 99900978 A EP99900978 A EP 99900978A EP 1051093 B1 EP1051093 B1 EP 1051093B1
Authority
EP
European Patent Office
Prior art keywords
rods
filaments
head body
toothbrush according
head
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
EP99900978A
Other languages
English (en)
French (fr)
Other versions
EP1051093A1 (de
Inventor
Lode Soetewey
Lydie Beaugendre
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.)
Sanofi Aventis France
Original Assignee
Sanofi Synthelabo SA
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 Sanofi Synthelabo SA filed Critical Sanofi Synthelabo SA
Priority to SI9930107T priority Critical patent/SI1051093T1/xx
Publication of EP1051093A1 publication Critical patent/EP1051093A1/de
Application granted granted Critical
Publication of EP1051093B1 publication Critical patent/EP1051093B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber

Definitions

  • the invention relates to a toothbrush comprising gum massage rods.
  • the invention relates more particularly to a toothbrush, of the type comprising a head which is arranged at a front longitudinal end of a handle and which is provided, on an upper face, with a bouquet of filaments brushing parallels, and the type in which the brush includes a series of rods made of elastomer material massage which each extend substantially parallel to the filaments and which are arranged substantially in two longitudinal rows on either side of the bouquet of filaments.
  • a brush of this type is disclosed in the document WO-A-97/16995.
  • the toothbrush has, on each of the longitudinal edges of the head, massage filaments made of thermoplastic elastomer material which have the same height as that of the filaments of brushing in non-elastomeric plastic.
  • the object of the invention is therefore to propose a new design of a toothbrush that allows you to perform effective tooth brushing and massage gums, while limiting the possibility of contact pressure between the filaments of non-elastomeric material and the gum on the one hand, but also by limiting the contact pressure of these filaments with teeth.
  • each row of rods has tall rods which are arranged longitudinally substantially in the center of the row and which are longer than the length of the filaments adjacent, and low stems which are arranged at ends of the row and which are shorter than the length of adjacent filaments.
  • the head 10 of a brush is shown in the figures with teeth which is arranged at a longitudinal end before 12 of a handle 14 of the brush.
  • the head 10 includes a head body 16, for example made of a thermoplastic material such as a polyamide.
  • the head body 16 has substantially a plate shape extending in a longitudinal plane and carrying a bouquet of parallel filaments 18 which extend perpendicular to the head body shot. These filaments, intended to ensure the brushing teeth, can for example be carried out in a polyamide or polyethylene type thermoplastic material but they can also be made of natural bristles.
  • filaments can be fixed on the head body 16 in different ways. They can for example be grouped by tufts of filaments folded in half and blocked in receptacles arranged in the upper face of the head body 16 using metal inserts. Filaments can also for example be fixed by embedding their end lower in the head body 16.
  • the filaments 18 all have the same height, i.e. they extend all the same distance above the upper face of the head body 16.
  • Head body 16 has edges lateral lateral 30 whose outline can be substantially assimilated to that of a racket, and it has two sides upper and lower 26 substantially parallel.
  • the filaments 18 are grouped substantially at the center of the face upper part of the head, the edges thereof being occupied by rods 20 of elastomeric material which extend parallel to the filaments 18 and which are more particularly intended to ensure the massage of the gums.
  • the rods 20 are for example made in the form of cylinders with a diameter substantially between 1 and 2.5 mm and they have a rounded top end of spherical cap.
  • the rods 20 are thus distributed regularly along lateral edges of the upper face of the head body 16.
  • the head body 16 having here a relatively shape elongated, the lateral edges 30 of the head 10 do not have a relatively small curvature in the plane of the head, except of course at their front end, which is substantially in the shape of an arc of a circle.
  • the stems 20 therefore form, on each side of the bouquet central filaments 18, two longitudinal rows arranged closest to the corresponding edge of the head 10.
  • the end front of the head 10 also carries rods 20.
  • the rods 20 do not all have the same height and, in particular, they have a variable height relative to at the height of the adjacent filaments 18.
  • this group of three rods 20a is framed on each side of rods 20b whose height is between that of the filaments 18 and that of the rods of greatest height 20a.
  • the rods 20b are themselves surrounded by rods 20c whose height is substantially equal to that of the filaments 18.
  • the assembly formed by the rods 20a, 20b, 20c is itself framed by 20d rods whose height is lower than that of adjacent filaments 18.
  • the upper ends of rods 20 arranged on the same side longitudinal of the head 10 are arranged on a curve substantially symmetrical with the curvature turned towards the low.
  • the toothbrush illustrated in the figures has a 20th rod arranged at the front end of the head 10, in the longitudinal plane of symmetry of the brush, and of which the length is less than that of the rods 20d.
  • the length of the 20 most bass will preferably be more than 10% lower than that adjacent filaments 18.
  • the total number of rods 20 can be lower or higher than that of the exemplary embodiment illustrated in the figures and, similarly, the curve joining the vertices of the ends of the stems may have a curvature more or less important, this curve being however at above the upper end of the filaments 18 in the center of the head and below at the longitudinal ends of the head.
  • the tallest rods 20a, 20b are are arranged on either side of the teeth and do not therefore do not disturb the action of the filaments 18 which can thus clean the surface of the teeth and get inside the inter-dental interstices.
  • the rods 20 are preferably made of silicone elastomer but can also be made of a material rubberised vulcanized or using an elastomeric material thermoplastic.
  • Another aspect of the invention resides in the means of fixing the rods 20 to the head body 16.
  • the rods 20 comprise an anchoring foot 22 which extends to the interior of a cylindrical anchor hole 24 drilled in the head body 16.
  • Each anchoring hole 24 opens at the same time in the upper and lower faces of the head body of so that the lower end of the anchor foot 22 of the rod extends below the underside 26 of the head body 16.
  • the lower end of the anchoring foot 22 which protrudes below the lower face 26 has a section greater than that of the anchor hole 24 so as to prevent any withdrawal of the rod 20 upwards.
  • the rods 20 are produced by molding and it is provided that, integrally with each rod 20, a bridge of material 28 joins the lower and upper ends of the anchor foot 22 of rod 20 bypassing from the outside the external lateral edge 30 of the head body 16.
  • the material bridge 28 is in support, at its junctions with the ends of the anchoring foot 22, against the upper and lower faces of the head body 16. Thus, forming an integral part of the rod 20, the material bridge ensures perfect fixation of the rod 20 in its hole anchor 24.
  • all of the rods 20 are made simultaneously by molding and they are produced from material in one piece, connected together by their bridge respective link 28.
  • All of the connecting bridges 28 then form a continuous bead 32 of elastomeric material which surrounds completely the outline of the head body 16 and which aims absorb the shocks between the head body 16 and either the teeth, either the gum.
  • the bead 32 thus formed extends into intaglio prints formed in the upper and lower faces as well as in the edges side of the head body 16 so that the surface outer of the bead 32 either in alignment with the faces outside of the head body 16 and of the handle 14.
  • the bead is of a thickness above the level of the front end of the head and that it thus forms a growth to further strengthen the protection of teeth and gums.

Landscapes

  • Brushes (AREA)
  • Massaging Devices (AREA)
  • Cosmetics (AREA)

Claims (15)

  1. Zahnbürste des Typs, der folgendes aufweist: einen Kopf (10), der an einem Längsende vor einem Griffstab (14) angebracht ist und auf seiner oberen Fläche mit einem System von parallelen Filamenten (18) ausgestattet ist, und des Typs, wobei die Bürste eine Reihe von Stengeln (20) aus elastomerem Material aufweist, die jeweils im wesentlichen parallel zu den Filamenten verlaufen und die im wesentlichen entsprechend zwei Längsbereichen beiderseits des Systems von parallelen Filamenten (18)angeordnet sind,
    dadurch gekennzeichnet, daß jede Reihe von Stengeln (20) lange Stengel (20a), die in Längsrichtung im wesentlichen in der Mitte der Reihe angeordnet sind und im Vergleich zur Länge der daneben liegenden Filamente (18) von größerer Länge sind, und kurze Stengel (20d), die an den Enden der Reihen angeordnet sind und im Vergleich zur Länge der daneben liegenden Filamente (18) von geringerer Länge sind, aufweist.
  2. Zahnbürste nach Anspruch 1, dadurch gekennzeichnet, daß sie lange Stengel (20a, 20b) von unterschiedlicher Länge und kurze Stengel (20d, 20e) von unterschiedlicher Länge aufweist.
  3. Zahnbürste nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die längeren Stengel (20a) eine Höhe aufweisen, die unter 125 % der Länge der daneben liegenden Filamente (18) liegt.
  4. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die kürzeren Stengel (20e) eine Höhe aufweisen, die mindestens 10 % unter der Höhe der daneben liegenden Filamente (18) liegt.
  5. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in einer Reihe die höheren Enden der Stengel (20) entsprechend einer Kurve mit einer nach unten gedrehten Konkavität angeordnet sind.
  6. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Stengel (20) zylindrisch geformt sind.
  7. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Stengel einen Durchmesser aufweisen, der im wesentlichen zwischen 1 und 2,5 mm liegt.
  8. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Reihen von Stengeln (20) nach vorne über die Gruppe der Filamente (18) hinaus verlaufen.
  9. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Bürste mindestens einen kurzen Stengel (20e) aufweist, der in Längsverlängerung der Gruppe von Filamenten (18) angeordnet ist.
  10. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß jede Reihe (20) am Kopf (10) über einen unteren Verankerungsfuß (22) befestigt ist, der in einem Verankerungsloch (24) aufgenommen ist, das in einem Kopfkörper von Kopf (16) angeordnet ist, dadurch, daß das Verankerungsloch (24) an seinen beiden äußeren Enden in die oberen und unteren Fläche (26) des Kopfkörpers (16) einmündet und dadurch, daß der Verankerungsfuß (24) des Stengels (20) unter die untere Fläche des Kopfkörpers (16) hinausgeht und so bemessen ist, daß er mit der unteren Fläche (26) zusammenwirkt, um zu verhindern, daß der Stengel (20) nicht nach oben herausgezogen werden kann.
  11. Zahnbürste nach Anspruch 10, dadurch gekennzeichnet, daß die oberen und unteren Enden des Verankerungsfußes (22) jeweils oberhalb und unterhalb der oberen und unteren Fläche des Kopfkörpers (16) angeordnet sind, dadurch daß die Enden des Verankerungsfußes über eine Materialbrücke (28) verbunden sind, die sich über das Verankerungsloch (24) hinaus um eine seitliche Außenkante (30) des Kopfkörpers (16) ausdehnt und dadurch daß die Materialbrücke (28) auf dem Niveau des unteren und oberen Endes des Verankerungsfußes (22) unter Gewährleistung der Befestigung des Stengels (20) auf dem Kopf (10) gegen die untere und obere Fläche des Kopfkörpers (16) drückt.
  12. Zahnbürste nach Anspruch 11, dadurch gekennzeichnet, daß die Gesamtheit von Stengeln (20) durch Formen in einem einzigen Stück durchgeführt wird und dadurch, daß die Verbindungsbrücken (28) der Stengel (20) einen Schutzwulst (32) aus elastomerem Material um die äußere Seitenkante (30) des Kopfkörpers (16) bilden.
  13. Zahnbürste nach Anspruch 12, dadurch gekennzeichnet, daß der Schutzwulst (32) in einer Hohlprägung ausgebildet ist, die im Kopfkörper (16) so angeordnet ist, daß der Wulst (32) auf dem gleichen Niveau wie die Außenflächen des Kopfkörpers (16) ansetzt.
  14. Zahnbürste nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, daß die untere Fläche (26) des Kopfkörpers (16) mit einem Überzug aus elastomerem Material bedeckt ist, der mit den Stengeln (20) aus einem Stück hergestellt ist.
  15. Zahnbürste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Stengel (20) aus elastomerem Silicon hergestellt sind.
EP99900978A 1998-01-26 1999-01-21 Zahnburste mit stäbe zur massage des zahnfleisches Expired - Lifetime EP1051093B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930107T SI1051093T1 (en) 1998-01-26 1999-01-21 Toothbrush comprising gum-massaging sticks

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9800797 1998-01-26
FR9800797A FR2773962B1 (fr) 1998-01-26 1998-01-26 Brosse a dents comportant des tiges de massage des gencives
PCT/FR1999/000121 WO1999037181A1 (fr) 1998-01-26 1999-01-21 Brosse a dents comportant des tiges de massage des gencives

Publications (2)

Publication Number Publication Date
EP1051093A1 EP1051093A1 (de) 2000-11-15
EP1051093B1 true EP1051093B1 (de) 2002-09-11

Family

ID=9522159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99900978A Expired - Lifetime EP1051093B1 (de) 1998-01-26 1999-01-21 Zahnburste mit stäbe zur massage des zahnfleisches

Country Status (23)

Country Link
US (1) US6311358B1 (de)
EP (1) EP1051093B1 (de)
JP (1) JP4259756B2 (de)
AT (1) ATE223668T1 (de)
AU (1) AU2061499A (de)
BR (1) BR9907247A (de)
CA (1) CA2315368C (de)
CZ (1) CZ296913B6 (de)
DE (1) DE69902881T2 (de)
DK (1) DK1051093T3 (de)
ES (1) ES2183502T3 (de)
FR (1) FR2773962B1 (de)
HU (1) HU223831B1 (de)
MY (1) MY123014A (de)
NO (1) NO325211B1 (de)
PL (1) PL190202B1 (de)
PT (1) PT1051093E (de)
RU (1) RU2197161C2 (de)
SA (1) SA99191306B1 (de)
SI (1) SI1051093T1 (de)
SK (1) SK285385B6 (de)
TW (1) TW374702B (de)
WO (1) WO1999037181A1 (de)

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PL341936A1 (en) 2001-05-07
HUP0101301A2 (hu) 2001-08-28
EP1051093A1 (de) 2000-11-15
DK1051093T3 (da) 2003-01-13
DE69902881D1 (de) 2002-10-17
CA2315368A1 (fr) 1999-07-29
ATE223668T1 (de) 2002-09-15
PL190202B1 (pl) 2005-11-30
CA2315368C (fr) 2006-09-05
NO20003098L (no) 2000-09-20
ES2183502T3 (es) 2003-03-16
WO1999037181A1 (fr) 1999-07-29
US6311358B1 (en) 2001-11-06
MY123014A (en) 2006-05-31
PT1051093E (pt) 2002-12-31
SK285385B6 (sk) 2006-12-07
SI1051093T1 (en) 2002-12-31
FR2773962A1 (fr) 1999-07-30
DE69902881T2 (de) 2003-05-15
NO325211B1 (no) 2008-02-25
CZ20002617A3 (cs) 2001-03-14
JP2002500903A (ja) 2002-01-15
FR2773962B1 (fr) 2000-03-03
HUP0101301A3 (en) 2002-01-28
HU223831B1 (hu) 2005-02-28
RU2197161C2 (ru) 2003-01-27
JP4259756B2 (ja) 2009-04-30
BR9907247A (pt) 2000-10-31
SA99191306B1 (ar) 2006-07-03
CZ296913B6 (cs) 2006-07-12
SK10882000A3 (sk) 2001-04-09
TW374702B (en) 1999-11-21
NO20003098D0 (no) 2000-06-15
AU2061499A (en) 1999-08-09

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