EP1051093A1 - Zahnburste mit stäbe zur massage des zahnfleisches - Google Patents

Zahnburste mit stäbe zur massage des zahnfleisches

Info

Publication number: EP1051093A1
Authority: EP; European Patent Office
Prior art keywords: rods; filaments; toothbrush according; head body; head
Prior art date: 1998-01-26
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

EP99900978A

Other languages

English (en)

French (fr)

Other versions

EP1051093B1 (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.)

1998-01-26

Filing date

1999-01-21

Publication date

2000-11-15

1999-01-21 Application filed by Sanofi Synthelabo SA filed Critical Sanofi Synthelabo SA

1999-01-21 Priority to SI9930107T priority Critical patent/SI1051093T1/xx

2000-11-15 Publication of EP1051093A1 publication Critical patent/EP1051093A1/de

2002-09-11 Application granted granted Critical

2002-09-11 Publication of EP1051093B1 publication Critical patent/EP1051093B1/de

2019-01-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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 massage rods for the gums.
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 parallel brushing filaments, and of the type in which the brush comprises a series of rods of elastomeric massage material 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
the toothbrush comprises, on each of the longitudinal edges of the head, massage filaments made of thermoplastic elastomeric material which have the same height as that of the brushing filaments made of non-elastomeric plastic material.
the object of the invention is therefore to propose a new design of a toothbrush which makes it possible to carry out both effective brushing of the teeth and a massage of the 2
each row of rods comprises high rods which are arranged longitudinally substantially in the center of the row and which are of length greater than the length of the adjacent filaments, and low stems which are arranged at the ends of the row and which are shorter than the length of the adjacent filaments.
the toothbrush has high rods of different lengths and low rods of different lengths;
the tallest stems have a height which is less than the height of the adjacent filaments increased by 25%; - the lowest stems have a height which is at least 10% lower than the height of the adjacent filaments;
the upper ends of the rods are arranged in a curve with the concavity facing down;
the rods are cylindrical in shape
the rods have a diameter substantially between 1 and 2.5 millimeters
the brush comprises at least one low rod arranged in the longitudinal extension of the bouquet of filaments;
each rod is fixed to the head by a lower anchoring foot which is received in an anchoring hole arranged in a head body, the anchoring hole opens at its two ends into upper and lower faces of the body head, and the rod anchoring foot protrudes below the underside of the head body and is shaped so as to cooperate with the underside to prevent the rod from being drawn up;
- upper and lower ends of the anchoring foot are arranged respectively above and below the upper and lower faces of the head body, the ends of the anchoring foot are connected by a bridge of material which extends outside of the anchoring hole around an external lateral edge of the head body, and at the lower and upper ends of the anchoring foot, the material bridge is in abutment against the lower and upper faces of the head body to ensure fixing the rod on the head;
the assembly of the rods is produced by molding in a single piece, and the connecting bridges of the rods form a protective bead of elastomeric material around the external lateral edge of the head body;
the protective bead is formed in a hollow imprint arranged in the head body so that the bead is flush with the same level as the external faces of the head body;
the underside of the head body is covered by a veil of elastomeric material which is made integrally with the rods; - the rods are made of elastomeric silicone.
FIG. 1 is a side view of the head of a toothbrush according to the teachings of the invention, side view;
FIG. 1 is a top view of the head of the toothbrush of Figure 1;
FIG. 3 is a cross-sectional view along line 3-3 of Figure 2.
the head 10 of a toothbrush which is arranged at a front longitudinal end 12 of a handle 14 of the brush.
the head 10 comprises 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 carries a bouquet of parallel filaments 18 which extend perpendicular to the plane of the head body.
These filaments, intended for brushing teeth, may for example be made of a thermoplastic material of the polyamide or polyethylene type, but they may also be made of natural bristles.
These filaments can be fixed to the head body 16 in different ways. They can for example be grouped by tufts of filaments folded in half and locked in receptacles arranged in the upper face of the head body 16 using metal inserts. The filaments can also, for example, be fixed by embedding their lower end in the head body 16.
the filaments 18 all have the same height, that is to say that they all extend the same distance above the upper face of the head body 16.
the body head 16 has edges 5 external lateral 30 whose contour can be substantially assimilated to that of a racket, and it comprises two upper and lower faces 26 substantially parallel.
the filaments 18 are grouped substantially at the center of the upper face of the head, the edges of the latter being occupied by rods 20 of elastomeric material which extend parallel to the filaments 18 and which are more particularly intended for massaging 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 upper end in the form of a spherical cap.
the rods 20 are thus distributed regularly along the lateral edges of the upper face of the head body 16.
the head body 16 here having a relatively elongated shape, the lateral edges 30 of the head 1 0 have only a relatively curvature weak 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 rods 20 therefore form, on each side of the central bouquet of filaments 18, two longitudinal rows arranged as close as possible to the corresponding edge of the head 10.
the front end 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 the height of the filaments 1 8 adjacent.
the head 10 comprises, in each of the two rows which longitudinally frame the filaments 18, three rods 6
the rods 20a which are the tallest are arranged longitudinally in the center of each row and their height does not exceed that of the filaments by more than 25%.
this group of three rods When looking at a row seen from the side, in a direction perpendicular to the longitudinal direction of the brush and the direction of the filaments, 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 greater height 20a.
the rods 20b are themselves surrounded by rods 20c whose height is substantially equal to that of the filaments
the upper ends of the rods 20 arranged on the same longitudinal side of the head 10 are arranged on a substantially symmetrical curve whose curvature is turned downwards.
the toothbrush illustrated in the figures comprises a rod 20e arranged at the front end of the head 1 0, in the longitudinal plane of symmetry of the brush, and whose length is less than that of the rods 20d.
the length of the lowest rods 20 will preferably be more than 10% less than that of the adjacent filaments 18.
the total number of rods 20 may be less than or greater than that of the example of embodiment illustrated in the figures and, similarly, the curve joining the 7
vertices of the ends of the rods may have a greater or lesser curvature, this curve however being above the upper end of the filaments 18 at the center of the head and below at the longitudinal ends of the head.
the tallest rods 20a, 20b are arranged on either side. other teeth and therefore do not disturb the action of the filaments 18 which can thus clean the surface of the teeth and penetrate inside the inter-dental interstices.
the rods 20 are preferably made of elastomeric silicone, but they can also be made of a vulcanized rubbery material or using a thermoplastic elastomeric material.
Another aspect of the invention resides in the means for fixing the rods 20 to the head body 16. Indeed, as can be seen in particular in the figure
the rods 20 comprise an anchoring foot 22 which extends inside a cylindrical anchoring hole 24 drilled in the 8
Each anchor hole 24 opens into both the upper and lower faces of the head body so that the lower end of the anchor foot 22 of the rod extends below the lower face 26 of the head body 1 6.
the lower end of the anchoring foot 22 which projects below the lower face 26 has a cross section greater than that of the anchoring hole 24 so as to prevent any withdrawal of the rod 20 upwards.
the rods 20 are produced by molding and it is intended that, coming integrally with each rod 20, a material bridge 28 joins the lower and upper ends of the anchoring foot 22 of the rod 20 by circumventing from the outside the external lateral edge 30 outside of the head body 16.
the material bridge 28 is in abutment, at its junctions with the ends of the anchoring foot 22, against the upper and lower faces of the head body 16.
the material bridge ensures perfect fixing of the rod 20 in its anchoring hole 24.
all of the rods 20 are produced simultaneously by molding and they are produced integrally in one piece, connected together by their respective connecting bridge 28.
the bead 32 thus formed to extend into recesses formed in the upper and lower faces as well as in the lateral edges of the head body 16 so that the external surface of the bead 32 is in the alignment of the outer faces of the head body 16 and of the handle 14.
the bead is of a greater thickness at the level of the front end of the head and that it thus forms a protrusion to reinforce still protecting teeth and gums.

Landscapes

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

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 true EP1051093A1 (de)	2000-11-15
EP1051093B1 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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1998
- 1998-01-26 FR FR9800797A patent/FR2773962B1/fr not_active Expired - Fee Related
1999
- 1999-01-18 MY MYPI99000196A patent/MY123014A/en unknown
- 1999-01-21 CA CA002315368A patent/CA2315368C/fr not_active Expired - Lifetime
- 1999-01-21 JP JP2000528185A patent/JP4259756B2/ja not_active Expired - Fee Related
- 1999-01-21 AT AT99900978T patent/ATE223668T1/de active
- 1999-01-21 PL PL99341936A patent/PL190202B1/pl unknown
- 1999-01-21 PT PT99900978T patent/PT1051093E/pt unknown
- 1999-01-21 WO PCT/FR1999/000121 patent/WO1999037181A1/fr not_active Ceased
- 1999-01-21 AU AU20614/99A patent/AU2061499A/en not_active Abandoned
- 1999-01-21 DE DE69902881T patent/DE69902881T2/de not_active Expired - Lifetime
- 1999-01-21 CZ CZ20002617A patent/CZ296913B6/cs not_active IP Right Cessation
- 1999-01-21 RU RU2000122433/12A patent/RU2197161C2/ru not_active IP Right Cessation
- 1999-01-21 US US09/601,039 patent/US6311358B1/en not_active Expired - Fee Related
- 1999-01-21 BR BR9907247-5A patent/BR9907247A/pt not_active IP Right Cessation
- 1999-01-21 SI SI9930107T patent/SI1051093T1/xx unknown
- 1999-01-21 SK SK1088-2000A patent/SK285385B6/sk not_active IP Right Cessation
- 1999-01-21 ES ES99900978T patent/ES2183502T3/es not_active Expired - Lifetime
- 1999-01-21 EP EP99900978A patent/EP1051093B1/de not_active Expired - Lifetime
- 1999-01-21 DK DK99900978T patent/DK1051093T3/da active
- 1999-01-21 HU HU0101301A patent/HU223831B1/hu not_active IP Right Cessation
- 1999-01-25 TW TW088101060A patent/TW374702B/zh not_active IP Right Cessation
- 1999-04-14 SA SA99191306A patent/SA99191306B1/ar unknown
2000
- 2000-06-15 NO NO20003098A patent/NO325211B1/no not_active IP Right Cessation

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Also Published As

Publication number	Publication date
PL341936A1 (en)	2001-05-07
ES2183502T3 (es)	2003-03-16
PT1051093E (pt)	2002-12-31
SI1051093T1 (en)	2002-12-31
MY123014A (en)	2006-05-31
WO1999037181A1 (fr)	1999-07-29
BR9907247A (pt)	2000-10-31
NO20003098L (no)	2000-09-20
CZ20002617A3 (cs)	2001-03-14
TW374702B (en)	1999-11-21
CZ296913B6 (cs)	2006-07-12
FR2773962B1 (fr)	2000-03-03
SK10882000A3 (sk)	2001-04-09
HUP0101301A3 (en)	2002-01-28
DK1051093T3 (da)	2003-01-13
SA99191306B1 (ar)	2006-07-03
HU223831B1 (hu)	2005-02-28
AU2061499A (en)	1999-08-09
JP4259756B2 (ja)	2009-04-30
CA2315368A1 (fr)	1999-07-29
RU2197161C2 (ru)	2003-01-27
ATE223668T1 (de)	2002-09-15
NO20003098D0 (no)	2000-06-15
FR2773962A1 (fr)	1999-07-30
SK285385B6 (sk)	2006-12-07
NO325211B1 (no)	2008-02-25
JP2002500903A (ja)	2002-01-15
PL190202B1 (pl)	2005-11-30
CA2315368C (fr)	2006-09-05
DE69902881D1 (de)	2002-10-17
HUP0101301A2 (hu)	2001-08-28
DE69902881T2 (de)	2003-05-15
EP1051093B1 (de)	2002-09-11
US6311358B1 (en)	2001-11-06

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