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EP1912532B2 - Brosse a dents pourvue de poils inclines et tailles en pointe - Google Patents
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EP1912532B2 - Brosse a dents pourvue de poils inclines et tailles en pointe - Google Patents

Brosse a dents pourvue de poils inclines et tailles en pointe Download PDF

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Publication number
EP1912532B2
EP1912532B2 EP06761256A EP06761256A EP1912532B2 EP 1912532 B2 EP1912532 B2 EP 1912532B2 EP 06761256 A EP06761256 A EP 06761256A EP 06761256 A EP06761256 A EP 06761256A EP 1912532 B2 EP1912532 B2 EP 1912532B2
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EP
European Patent Office
Prior art keywords
tufts
row
bristles
brush head
distance
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.)
Active
Application number
EP06761256A
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German (de)
English (en)
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EP1912532A1 (fr
EP1912532B1 (fr
EP1912532B8 (fr
Inventor
Christine Garbers
André BRUNELLA
Peter Gross
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Gaba International Holding AG
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Gaba International AG
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Publication date
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Application filed by Gaba International AG filed Critical Gaba International AG
Priority to PL06761256T priority Critical patent/PL1912532T5/pl
Priority to SI200630614T priority patent/SI1912532T2/sl
Publication of EP1912532A1 publication Critical patent/EP1912532A1/fr
Publication of EP1912532B1 publication Critical patent/EP1912532B1/fr
Publication of EP1912532B2 publication Critical patent/EP1912532B2/fr
Application granted granted Critical
Publication of EP1912532B8 publication Critical patent/EP1912532B8/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles

Definitions

  • the present invention relates to brush heads for toothbrushes in which a part of the tufts are tilted.
  • Toothbrushes with a mixed stocking perpendicular to the bristle carrier towering tufts on the one hand and inclined, cross-shaped x-shaped tufts are from the EP-A-0 885 573 known.
  • the Applicant of the present application sells three toothbrushes of this type in Europe under the names Elmex Inter X, Elmex Inter X sensitive and Elmex Inter X junior. These toothbrushes are distinguished from a brush with exclusively vertical or exclusively x-shaped crossed tufts by a good cleaning performance both in the tooth surfaces and in the interdental spaces.
  • toothbrushes after their completion whether with vertical tufts, with x-shaped tufts or with the above-mentioned mixed stocking, usually trimmed to a uniform height within a tuft. If desired, the trimmed bristle ends are then mechanically rounded to reduce the risk of injury to the gums.
  • FR 683,311 discloses a toothbrush having rows of vertical tufts and rows of sloping tufts whose ends cross each other in pairs so that the ends form a single active area.
  • JP 2004-129683 A discloses a toothbrush with rows of vertical tufts and rows of inclined, mutually inclined tufts. The ends of all tufts are cut in a sawtooth shape, with the ends of the vertical tufts forming a serration on their own and the ends of the mutually inclined tufts forming a sawtooth in pairs. As starting material, pointed bristles are used; the ends of the bristles are largely cut off by sawtooth cutting.
  • the not pre-published EP 1 827 164 discloses brush heads for toothbrushes.
  • paragraphs 21-25 and Figures 1-5 Two possible shapes of the bristle profile (cylindrical or tapered) are disclosed, and in paragraph 34 and Figs. 5A and 5B, two possible forms of tuft orientation (vertical or inclined) are disclosed. In addition, a mixed vertical / inclined tufts are not disclosed.
  • Object of the present invention was a further improvement of the brush heads for toothbrushes.
  • inclined in the context of the present application means that an inclined tuft is inclined at an acute angle to an imaginary line perpendicular to the bristle face, this imaginary line passing through the center of the hole in the bristle carrier associated with said tuft.
  • This acute angle is 1 to 10 °, preferably about 7 to 9 ° and more preferably about 8 °.
  • An inclined tuft can thus be inclined in the said acute angle about forward, backward or to one side.
  • All inclined tufts are tilted forward or backward.
  • tilted backwards in the context of the present application means that a tucked-back tuft is inclined in the longitudinal direction of the bristle carrier at the acute angle to the handle part
  • tiltted forward means in the context of the present application, in that a forwardly inclined tuft, viewed in the longitudinal direction of the bristle carrier, is inclined away from the handle part at the acute angle.
  • the brush head of the invention has a surface which may be flat or curved, and which has imaginary holes for receiving the tufts.
  • the bristle tufts protrude from this surface in the finished brush head. This surface is called a "bristle face”.
  • the brush heads according to the invention comprise, in addition to inclined tufts, a series of tufts protruding vertically from the bristle face, which are not inclined with respect to an imaginary line perpendicular to the bristle face passing through the center of the hole in the bristle carrier associated with the tuft.
  • These tufts protruding perpendicularly from the bristle surface preferably contain only non-pointed bristles.
  • the tufts of the inventive brush head are arranged in transverse to its longitudinal transverse rows, in each transverse row either only forward slanted tufts with tapered bristles, or only backward inclined tufts with tapered bristles, or only perpendicular from the bristle surface protruding bristle tufts are present wherein at least one transverse row of forwardly or rearwardly inclined tufts with pointed bristles and at least one transverse row of tufts protruding perpendicularly from the bristle face with non-pointed bristles is provided.
  • the tufts of the brush head according to the invention preferably have a circular cross-section.
  • pointed bristle is common in the art and refers to a particular cylindrical bristle, the ends of which are reduced by chemical etching (eg with sulfuric acid or sodium hydroxide solution) or by mechanical tapering in diameter such that the bristle is tapered towards its end, such as receives conical profile. If both ends of the bristle are treated in this way, one speaks of a "two-sided sharpened bristle", otherwise of a “one-sided sharpened bristle”. Details of pointed bristle manufacturing techniques are described in various patent publications; it will be exemplary on the EP-A-1 234 525 , Korean Patent No. 130932 and the US-A-2004/0070258 pointed. Sharpened bristles suitable for the present invention are also available on the market, such as from the manufacturers Sogo, Hylon, Best Whasung, Cheil Jedang, Lion and Whessen.
  • the pointed ends of the bristles taper towards their tapered end, rotationally symmetric about a central axis of the bristle.
  • the sharpened bristles particularly preferably have a profile (ie a diameter of the body of revolution as a function of the distance from the pointed end) which corresponds approximately to the numerical values from one of the following Tables 1 to 4.
  • Tables 1 to 4 the average diameters of the bristles are listed as a function of the distance from the pointed end.
  • the "diameter range" given in these tables is a typical standard deviation of the diameter determined from several copies of the bristle; this standard deviation can also be considered as range limits of the diameter for these four particularly preferred profiles according to the invention.
  • the pointed bristles may be made of any material commonly used for pointed toothbrush bristles.
  • the bristles are made of a polyester, in particular a poly (C 2 -C 8 ) alkylene terephthalate, wherein the (C 2 -C 8 ) alkylene is unbranched.
  • Rather preferred as bristle materials are polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate and polypentylene terephthalate; Particularly preferred is polybutylene terephthalate.
  • the non-tapered portion of the sharpened bristles when cylindrical, may have a diameter of about 0.15 to 0.25, preferably about 0.17 to 0.20 mm.
  • the non-tapered bristles may be made of any material commonly used for toothbrush bristles.
  • the non-sharpened bristles are preferably made of a polyamide, in particular of a polyamide, which is produced from an unbranched (C 2 -C 8 ) -1, ⁇ -diamine and an unbranched (C 4 -C 14 ) -1, ⁇ -dicarboxylic acid , Rather preferred as the bristle materials for the non-tapered bristles Polydimethylenadipinamid, Polytrimethylenadipinamid, Polytetramethylenadipinamid, Polypentamethylenadipinamid, Polyhexamethylenadipinamid, Polydimethylendodecanamid, Polytrimethylendodecanamid, Polytetramethylendodecanamid, Polypentamethylendodecanamid and Polyhexamethylendodecanamid. Particularly preferred is polyhexamethylenedodecanamide.
  • the non-sharpened bristles are preferably cylindrical and then preferably have a diameter of from about 0.15 to about 0.20, preferably from about 0.17 to about 0.19 mm.
  • the inventive brush head can be used for a manual toothbrush or for an electric toothbrush.
  • the bristles mounted on the brush head are set in motion either by hand movements, by motor drive or by sound waves.
  • the production of the brush heads according to the invention can be carried out analogously to the production of previously known brush heads.
  • one-sided or two-sided sharpened bristles may be used.
  • the holes of the bristle carrier which serve to receive the tufts, may have previously been drilled at any angle ⁇ or ⁇ in the bristle carrier, preferably they can also be produced directly in the manufacture of the bristle carrier by injection molding using punch punches.
  • the holes are preferably circular in cross section to allow the preferred circular tuft cross section.
  • the tuft is preferably anchored by means of an anchor plate or a loop in a hole of the bristle carrier.
  • all the bristles of the forming tufts are bent U-shaped within the hole, so that both ends of each bristle protrude from the hole.
  • the holes are usually not consistent here.
  • the proportion of the pointed ends of the tuft here is just equal to the proportion of double-pointed bristles used.
  • the tuft may be anchored in the hole as previously described or fabricated using the known AFT (anchor-free tufting) process.
  • AFT anchor-free tufting
  • the bristles are inserted into a support plate having through holes, and the bristles of each tuft are welded together at the back hole opening with each other by means of a heating punch.
  • the bristles then protrude from the front hole opening of the carrier plate.
  • the tufts provided with the tufts can then be poured or welded into a brush head. Details of this procedure are approximately in the EP-A-0 405 204 described.
  • Tufts containing only non-pointed bristles are preferably trimmed according to the invention to a uniform height. Tufts containing pointed and non-pointed bristles, or only pointed bristles, are preferably not trimmed according to the invention.
  • the selective trimming of the tufts can most easily be carried out with a small, pointed pair of scissors, for example a microscope scissors.
  • the steps of planting the tufts with non-tapered bristles, trimming and optionally rounding the bristles of these tufts, and finally planting the inclined tufts, wholly or partially made up of pointed bristles, may be placed in separate successive rows Operations are performed. The machinery and procedural details for each step are known to those skilled in the art.
  • gaps between tufts are understood to be measured at the height of the bristle surface of the bristle carrier between the central axes of the two tufts.
  • “Lengths of the brush head” are understood to mean distances between two transverse rows of tufts such that at the level of the bristle surface of the bristle carrier in the longitudinal direction, the distance between a first line connecting the center axes of the tufts of the first transverse row and a second line the central axes of the tufts of the second transverse row connects, is measured. This concerns eg in the FIG. 1 shown distance d x . In the figures, the central axes of the tufts are indicated by dashed lines.
  • the distance "in the longitudinal direction of the brush head” between any transverse row of tufts and a double row of X-shaped crossed tufts is the average of a) the distance "in the longitudinal direction of the brush head” between the arbitrary transverse row and the transverse row forming a double row, and b) the distance "in the longitudinal direction of the brush head” between the arbitrary transverse row and the second transverse row forming the double row.
  • the distance d xx shown is the average of a) the distance between the forward slanted transverse row represented by its tuft 302 and the rearwardly slanted transverse row represented by its tuft 303, and b) the distance between rearwardly slanted transverse row represented by its tuft 301 and the forward slanted transverse row represented by its tuft 304.
  • FIGS. 1 . 4 and 5 illustrate the definition of some of the above metrics.
  • the height h s it should be noted that it may be of medium height, as the tufts with pointed bristles preferably are not trimmed and therefore the individual bristles contained therein may have different heights.
  • This scattering of bristle height is in FIG. 1 Not shown.
  • This figure also shows that brush heads according to the invention need not necessarily have the inclined tufts in the form of an X-shaped crossed arrangement; the slanted rows of tufts may also be present either slanted forward or backward.
  • the brush heads comprise one or two double rows of x-shaped crossing tufts with pointed bristles. These double rows are each from a first transverse row of inclined backwards tufts with pointed bristles and a to this first transverse row in the direction of the handle portion at a distance d x adjacent second transverse row of forward slanted, compared to the tufts of the first transverse row offset in the transverse direction tufts pointed bristles formed ( Figures 2 and 3 ).
  • the distance d x between the forward and backward slanted tufts is 0.7 to 1.3 mm, more preferably 0.9 to 1.1 mm, and most preferably about 1.0 mm.
  • the height h s of the inclined tufts is 13.0 to 14.0 mm and preferably about 13.5 mm.
  • the brush head additionally comprises transverse rows of tufts protruding perpendicularly from the bristle surface with non-tapered bristles, such that each double row of x-shaped crossed tufts each have a vertical transverse row in the longitudinal direction of the handle portion and a further vertical transverse row in the longitudinal direction Headboard is adjacent.
  • X-shaped crossed tufts ( FIG. 2 ) are preferably at a distance d xx in the longitudinal direction of about 8.0 to 10.0 mm, more preferably 8.5 to 9.5 mm and more preferably about 8.9 mm apart.
  • d xx in the longitudinal direction of about 8.0 to 10.0 mm, more preferably 8.5 to 9.5 mm and more preferably about 8.9 mm apart.
  • two of them lie between the double rows in the form of a first and second middle transverse row, and the other two lie outside the two double rows and form an inner transverse row (in the direction of the handle part 11) and an outer transverse row (in the direction of the head part 12).
  • the distance d a between the double rows of X-crossed bristles and the middle transverse rows is preferably 2.5 to 4.0 mm, more preferably 3.0 to 3.5 mm, and particularly preferably about 3.2 mm.
  • the preferably trimmed height h a of the tufts of said middle transverse rows is preferably 9.0 to 11.0 mm, more preferably 9.5 to 10.5 mm and particularly preferably about 10.0 mm.
  • the distance d b of the said inner and outer transverse rows from the respective double row is preferably 2.5 to 3.5 mm, more preferably 2.7 to 3.3 mm and particularly preferably about 3.0 mm.
  • the preferably trimmed height h b of the tufts of the said inner and outer transverse rows is preferably 9.0 to 11.0 mm, more preferably 9.5 to 10.5 mm and particularly preferably about 10.0 mm.
  • said two transverse rows of vertical tufts adjoining the double row form an inner transverse row spaced apart from the double row by a distance d e in the direction of the handle portion 11 and an outer transverse row extending towards the head portion 12 in FIG a distance d f is spaced from the double row.
  • the distances d e and d f are preferably 3.0 to 4.5 mm and more preferably 3.0 to 4.0 mm. More preferably, d e is about 3.2 mm and d f is about 3.1 mm.
  • the preferably trimmed height h ef of the tufts of the inner and outer transverse row is preferably 9.0 to 11.0, more preferably 9.0 to 10.0, and particularly preferably about 10.0 mm.
  • a first particularly preferred embodiment of the brush head of the invention has a first double row of inclined, X-shaped crossed bristle tufts, the bristles of which are pointed and not trimmed. It is formed by a first transverse row of tufts of bristles tipped backwards (represented by its foremost tuft 301) and a second transverse row of two tufts inclined forwardly (represented by its foremost tuft 302).
  • the distance d x is about 1 mm.
  • the height h s of the slanted Tufts are about 13.5 mm, and the angles ⁇ and ⁇ , respectively, in which the tufts inclined forwardly and rearwardly are inclined, are about + 8 ° and about -8 °, respectively (definitions of d x , h s , ⁇ and ⁇ according to FIG. 1 ).
  • a second, identical double row of x-shaped crossed tufts is arranged.
  • a third transverse row of two backward slanted tufts (represented by their foremost tuft 303) and a fourth transverse row of three forward tipped tufts (represented by their foremost tuft 304).
  • the distances between the tufts in the transverse direction are about 4.5 mm.
  • a second middle transverse row of four vertical tufts with non-pointed bristles and trimmed to uniform height h a bristles present is a second middle transverse row of four vertical tufts with non-pointed bristles and trimmed to uniform height h a bristles present.
  • the widths of the tufts in the transverse direction are about 2.9 mm and the height h a is about 10.0 mm.
  • All bristles have a circular cross section over their entire length; the sharpened parts of the pointed bristles are thus rotational bodies.
  • the diameter D n of all non-sharpened bristles and the maximum diameter D z of all pointed bristles is about 0.175 mm.
  • All tufts are of circular cross-section; the diameter of all tufts is about 1.7 mm.
  • This brush head has a first double row of slanted and pointed bristle tufts crossing over in an X-shape as described in the first embodiment (represented by the foremost tufts 301, 302).
  • the rearwardly slanted transverse row (tuft 301) has two tufts spaced transversely of about 4.6 mm and the forward slanted row (tuft 302) has three tufts at a transverse spacing of about 4.6 mm each ,
  • the distance d x between the backward and the forward slanted transverse row in the longitudinal direction of the brush head is about 1 mm.
  • the height h s of the inclined tufts is about 13.5 mm, and the angles ⁇ and ⁇ , respectively, in which the tufts inclined forwardly and rearwardly are inclined, are about + 8 ° and about -8 °, respectively (definitions of d x , h s , ⁇ and ⁇ according to FIG. 1 ).
  • d e of about 3.2 mm in the longitudinal direction of the handle part 11 from the first double row, an inner transverse row of four tufts with non-pointed, h ef trimmed to a uniform height hef bristles arranged.
  • an outer transverse row of four tufts with non-pointed, h ef trimmed bristles is arranged.
  • the distances between the tufts in the transverse direction are approximately 2.9 mm and the heights h ef approximately 10 mm.
  • a further inner transverse row of four tufts with non-pointed bristles trimmed to a uniform height h gh is arranged.
  • a further outer transverse row of four tufts with non-pointed bristles trimmed to a uniform height h gh is arranged.
  • I the other inner transverse row and the other outer transverse row are the distances of the tufts in the transverse direction about 2.9 mm and the height h gh about 11 mm.
  • d i of about 8.2 mm in the longitudinal direction of the handle part 11 from the first double row
  • an innermost transverse row of three tufts with non-pointed bristles trimmed to a uniform height h ij is arranged.
  • an outermost transverse row of three tufts with non-pointed bristles trimmed to a uniform height h ij is arranged.
  • the distances between the tufts in the transverse direction amount to about 2.4 mm and the height h ij about 11.5 mm.
  • FIGS. 6 . 7 and Fig. 8 are the cleaning performances achieved with different brush heads in horizontal, vertical and circular cleaning movement, respectively.
  • the teeth of a maxillary sextant model (with 3 molars, 2 prebend teeth and 1 incisor) were first stained black and then whitewashed with a titanium dioxide paste (25g / v in 26% ethanol). After a standardized brushing process with the brush heads to be tested of 1 minute duration with 2.45 newtons of contact force, the percentage of tooth surfaces freed from the titanium dioxide paste was determined.
  • the standardized brushing process consisted of 60 reciprocating motions with an amplitude of 30 mm; in vertical cleaning it consisted of 60 up and down movements with an amplitude of 8 mm; and in the circular cleaning it consisted of 60 circles of radius 4 mm with 16 horizontal reciprocating movements with amplitude of 30 mm at the same time.

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Claims (18)

  1. Tête de brosse (1) pour une brosse à dents, qui comprend une partie de poignée (11), une partie de tête (12) et une surface de poils dans laquelle sont introduits des faisceaux de poils (201, 202, 203, 204, 301, 302, 303, 304, 401, 402, 501, 502, 601, 602, 701, 702) disposés en rangées transversales qui s'étendent transversalement par rapport au sens longitudinal de la surface de poils, caractérisée en ce que dans chaque rangée transversale de faisceaux, ou il n'y a que des faisceaux inclinés vers l'avant (302, 304) avec uniquement des poils taillés en pointe, ou il n'y a que des faisceaux inclinés vers l'arrière (301, 303) avec uniquement des poils taillés en pointe, ou il n'y a que des faisceaux de poils qui dépassent perpendiculairement de la surface de poils, une double rangée ou deux double rangées de faisceaux croisés en x étant présentes, chacune d'elles étant formées par une première rangée transversale de faisceaux inclinés vers l'arrière (301, 303) avec uniquement des poils taillés en pointe avec une hauteur hs de 13,0 à 14,0 mm, et par une deuxième rangée transversale de faisceaux inclinés vers l'avant (302, 304) avec uniquement des poils taillés en pointe avec une hauteur hs de 13,0 à 14,0 mm et déplacés en direction transversale par rapport aux faisceaux de la première rangée transversale, étant disposée de cette première rangée en direction de la partie de poignée (11) dans le sens longitudinal de la tête de brosse à une distance dx de 0,7 à 1,3 mm, de manière que les faisceaux de la première et deuxième rangée transversale forment la double rangée de faisceaux croisés en x, les faisceaux de la rangée transversale avec des faisceaux inclinés vers l'avant étant inclinés vers l'avant suivant un angle α de +1 à +10° par rapport à une ligne perpendiculaire à la surface de poils; ou les faisceaux de la rangée transversale avec des faisceaux inclinés vers l'arrière étant inclinés vers l'arrière suivant un angle β de -1 à - 10°, et en ce qu'il est prévu au moins une rangée transversale de faisceaux avec des poils non taillés en pointe (201, 202, 203, 204, 401, 402, 501, 502, 601, 602, 701, 702) qui dépassent perpendiculairement de la surface de poils.
  2. Tête de brosse selon la revendication 1, caractérisée en ce que les faisceaux de la rangée transversale avec des faisceaux inclinés vers l'avant sont inclinés vers l'avant suivant un angle α de +7 à +9°, plus préféré d'environ +8°, par rapport à une ligne perpendiculaire à la surface de poils; ou en ce que les faisceaux de la rangée transversale avec des faisceaux inclinés vers l'arrière sont inclinés vers l'arrière suivant un angle de -7 à -9°, plus préféré d'environ -8°, par rapport à une ligne perpendiculaire à la surface de poils.
  3. Tête de brosse selon la revendication 1 ou 2, caractérisée en ce qu'elle présente deux double rangées de faisceaux croisés en x en forme d'une première double rangée et d'une deuxième double rangée, ladite deuxième double rangée étant disposée de ladite première rangée en direction de la partie de tête (12) dans le sens longitudinal de la tête de brosse à une distance dxx, cette distance dxx étant de préférence de 8,0 à 10,0 mm, plus préféré de 8,5 à 9,5 mm et particulièrement préféré d'environ 8,9 mm.
  4. Tête de brosse selon la revendication 3, caractérisée en ce qu'elle présente une première rangée transversale centrale de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, avec des poils égalisés à une hauteur unique ha, qui est disposée à une distance da de ladite première double rangée, en direction de la partie de tête (12) dans le sens longitudinal de la tête de brosse, et une seconde rangée transversale centrale de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, avec des poils égalisés à une hauteur unique ha, qui est disposée à une distance da de ladite seconde double rangée, en direction de la partie de poignée (11) dans le sens longitudinal de la tête de brosse, la distance da étant de préférence de 2,5 à 4,0 mm, plus préféré de 3,0 à 3,5 mm et particulièrement préféré est environ 3,2 mm.
  5. Tête de brosse selon la revendication 4, caractérisée en ce que la hauteur ha des faisceaux desdites rangées transversales centrales est de 9,0 à 11,0 mm et de préférence de 9,5 à 10,5 mm.
  6. Tête de brosse selon l'une des revendications 3 à 5, caractérisée en ce qu'elle présente une rangée transversale intérieure de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, avec des poils égalisés à une hauteur unique hb, qui est disposée à une distance db de la première double rangée, en direction de la partie de poignée (11) dans le sens longitudinal de la tête de brosse, et une rangée transversale extérieure de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, avec des poils égalisés à une hauteur unique hb, qui est disposée à une distance db de ladite seconde double rangée, en direction de la partie de tête (12) dans le sens longitudinal du support de poils, la distance db étant de préférence de 2,5 à 3,5 mm, plus préféré de 2,7 à 3,3 mm et particulièrement préféré est environ 3,0 mm.
  7. Tête de brosse selon la revendication 6, caractérisée en ce que la hauteur hb des faisceaux desdites rangées transversales intérieure et extérieure est de 9,0 à 11,0 mm, de préférence de 9,5 à 10,5 mm et plus préféré d'environ 10,0 mm.
  8. Tête de brosse selon la revendication 6 ou 7, caractérisée en ce qu'elle présente une rangée transversale plus intérieure de faisceaux dépassant perpendiculairement de la surface de poils, avec des poils taillés en pointe ou non taillés en pointe, qui est disposée à une distance dc de ladite première double rangée, en direction de la partie de poignée (11) dans le sens longitudinal du support de poils, la distance dc étant de préférence de 5,0 à 6,0 mm, plus préféré de 5,3 à 5,7 mm et particulièrement préféré d'environ 5,5 mm; et une rangée transversale plus extérieure de faisceaux dépassant perpendiculairement de la surface de poils, avec des poils taillés en pointe ou non taillés en pointe, qui est disposée à une distance dd de ladite seconde double rangée, en direction de la partie de tête (12) dans le sens longitudinal du support de poils, la distance dd étant de préférence de 5,0 à 6,0 mm, plus préféré de 5,2 à 5,6 mm et particulièrement préféré est environ 5,4 mm.
  9. Tête de brosse selon la revendication 8, caractérisée en ce que les poils des faisceaux desdites rangées transversales plus intérieure et plus extérieure ne sont pas taillés en pointe et la hauteur hcd des faisceaux est de 10,0 à 12,0 mm et de préférence de 10,5 à 11,5 mm.
  10. Tête de brosse selon la revendication 8, caractérisée en ce que les poils des faisceaux desdites rangées transversales plus intérieure et plus extérieure sont taillés en pointe et la hauteur hcd des faisceaux est de 10,5 à 12,5 mm et de préférence de 11,0 à 12,0 mm.
  11. Tête de brosse selon la revendication 1, caractérisée en ce qu'elle présente une double rangée de faisceaux croisés en x et une rangée transversale intérieure de faisceaux dépassant perpendiculairement de la surface de poils, avec des poils non taillés en pointe, qui est disposée à une distance de de ladite double rangée en direction de la partie de poignée (11), dans le sens longitudinal de la tête de brosse, et une rangée transversale extérieure de faisceaux dépassant perpendiculairement de la surface de poils, avec des poils non taillés en pointe, qui est disposée à une distance df de ladite double rangée en direction de la partie de tête (12), dans le sens longitudinal de la tête de brosse, les distances de et df étant de préférence de 3,0 à 4,5 mm et plus préféré de 3,0 à 4,0 mm, et de étant particulièrement préféré environ 3,2 mm et df étant particulièrement préféré environ 3,1 mm.
  12. Tête de brosse selon la revendication 11, caractérisée en ce que les faisceaux desdites rangées transversales intérieure et extérieure sont égalisés à une hauteur unique hef de 9,0 à 11,0 mm et de préférence de 9,0 à 10,0 mm.
  13. Tête de brosse selon la revendication 11 ou 12, caractérisée en ce qu'elle présente en plus une rangée transversale intérieure de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, qui est disposée à une distance dg de ladite première double rangée en direction de la partie de poignée (11), dans le sens longitudinal du support de poils, et en plus une rangée transversale extérieure de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, qui est disposée à une distance dh de ladite première double rangée en direction de la partie de tête (12), dans le sens longitudinal du support de poils, les distances dg et dh étant de préférence de 5,0 à 6,5 mm et plus préféré de 5,5 à 6,0 mm, et dg étant particulièrement préféré environ 5,7 mm et dh étant particulièrement préféré environ 5,6 mm.
  14. Tête de brosse selon la revendication 13, caractérisée en ce que les faisceaux des rangées transversales intérieure en plus et extérieure en plus sont égalisés à une hauteur unique hgh de 10,0 à 12,0 mm et de préférence de 10,0 à 11,0 mm.
  15. Tête de brosse selon la revendication 13 ou 14, caractérisée en ce qu'elle présente une rangée transversale plus intérieure de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, qui est disposée à une distance di de ladite première double rangée en direction de la partie de poignée (11), dans le sens du support de poils, et une rangée transversale plus extérieure de faisceaux non taillés en pointe et dépassant perpendiculairement de la surface de poils, qui est disposée à une distance dj de ladite première double rangée en direction de la partie de tête (12), dans le sens longitudinal du support de poils, les distances di et dj étant de préférence de 7,5 à 9,0 mm et plus préféré de 8,0 à 8,5 mm, et di étant particulièrement préféré environ 8,2 mm et dj étant particulièrement préféré environ 8,0 mm.
  16. Tête de brosse selon la revendication 15, caractérisée en ce que les faisceaux desdites rangées transversales plus intérieure et plus extérieure sont égalisés à une hauteur unique hij de 10,5 à 12,5 mm et de préférence de 10,5 à 11,5 mm.
  17. Tête de brosse selon l'une des revendications 1 à 16, caractérisée en ce que tous les poils taillés en pointe sont d'un poly(alkylène en C2-C8) téréphtalate, en particulier de polybutylènetéréphtalate; et en ce que tous les poils non taillés en pointe sont d'un polyamide préparé à partir d'une 1,ω-diamine en C2-C8 non ramifiée et d'un acide 1,ω-dicarboxylique en C4-C14 non ramifié, en particulier de polyhexaméthylènedodécanamide.
  18. Brosse à dents contenant une tête de brosse selon l'une des revendications 1 à 17.
EP06761256A 2005-08-08 2006-08-03 Brosse a dents pourvue de poils inclines et tailles en pointe Active EP1912532B8 (fr)

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PL06761256T PL1912532T5 (pl) 2005-08-08 2006-08-03 Szczoteczka do zębów z ustawionym skośnie i zaostrzonym włosiem
SI200630614T SI1912532T2 (sl) 2005-08-08 2006-08-03 Zobna krtačka s poševnimi in koničastimi ščetinami

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CH13072005 2005-08-08
PCT/CH2006/000405 WO2007016802A1 (fr) 2005-08-08 2006-08-03 Brosse a dents pourvue de poils inclines et tailles en pointe

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EP1912532B1 EP1912532B1 (fr) 2010-01-06
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DE (2) DE202006020598U1 (fr)
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PT (1) PT1912532E (fr)
RU (1) RU2401030C2 (fr)
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US8239996B2 (en) 2012-08-14
SI1912532T2 (sl) 2013-06-28
PL1912532T3 (pl) 2010-10-29
CN101299943A (zh) 2008-11-05
SI1912532T1 (sl) 2010-09-30
BRPI0614152B1 (pt) 2018-01-09
IL188246A (en) 2011-12-29
CN101299943B (zh) 2012-12-05
EP1912532A1 (fr) 2008-04-23
BRPI0614152A2 (pt) 2012-11-20
PT1912532E (pt) 2010-04-14
PL1912532T5 (pl) 2013-09-30
WO2007016802A1 (fr) 2007-02-15
CA2618383C (fr) 2014-04-22
US20080271276A1 (en) 2008-11-06
EP1912532B1 (fr) 2010-01-06
IL188246A0 (en) 2008-04-13
ES2339385T5 (es) 2013-05-06
DE202006020598U1 (de) 2009-02-26
RU2401030C2 (ru) 2010-10-10
EP1912532B8 (fr) 2013-02-20
CA2618383A1 (fr) 2007-02-15
DE502006005864D1 (de) 2010-02-25
ES2339385T3 (es) 2010-05-19
ATE454060T1 (de) 2010-01-15
RU2008109020A (ru) 2009-10-10

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