EP2420157B1 - Brosse à dents dotée d'une topographie particulière des soies - Google Patents

Brosse à dents dotée d'une topographie particulière des soies Download PDF

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Publication number
EP2420157B1
EP2420157B1 EP10008600.8A EP10008600A EP2420157B1 EP 2420157 B1 EP2420157 B1 EP 2420157B1 EP 10008600 A EP10008600 A EP 10008600A EP 2420157 B1 EP2420157 B1 EP 2420157B1
Authority
EP
European Patent Office
Prior art keywords
bristle
bristles
profiled
bundle
pins
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.)
Not-in-force
Application number
EP10008600.8A
Other languages
German (de)
English (en)
Other versions
EP2420157A1 (fr
Inventor
Walter Hess
Oskar Trevisan
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
Priority to EP10008600.8A priority Critical patent/EP2420157B1/fr
Application filed by Trisa Holding AG filed Critical Trisa Holding AG
Priority to CN201610166719.1A priority patent/CN105831967B/zh
Priority to CA2808212A priority patent/CA2808212C/fr
Priority to MX2013001821A priority patent/MX2013001821A/es
Priority to RU2013111852/12A priority patent/RU2576012C2/ru
Priority to BR112013003586-2A priority patent/BR112013003586B1/pt
Priority to EP11738977.5A priority patent/EP2605683B1/fr
Priority to AU2011291060A priority patent/AU2011291060B2/en
Priority to MYPI2013000475A priority patent/MY165941A/en
Priority to KR1020137006878A priority patent/KR20140006772A/ko
Priority to CN201180046840.6A priority patent/CN103140148B/zh
Priority to EP19182319.4A priority patent/EP3610757A1/fr
Priority to US13/816,843 priority patent/US9066579B2/en
Priority to PCT/EP2011/003858 priority patent/WO2012022431A1/fr
Publication of EP2420157A1 publication Critical patent/EP2420157A1/fr
Priority to CO13051791A priority patent/CO6690772A2/es
Priority to US14/715,034 priority patent/US10076181B2/en
Publication of EP2420157B1 publication Critical patent/EP2420157B1/fr
Application granted granted Critical
Priority to US16/100,914 priority patent/US20180344018A1/en
Priority to US18/238,711 priority patent/US20240023701A1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
    • 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
    • A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
    • 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
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • 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
    • A46D1/02—Bristles details
    • A46D1/0276—Bristles having pointed ends
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S15/00—Brushing, scrubbing, and general cleaning
    • Y10S15/05—Varied length bristle

Definitions

  • the present invention relates to a toothbrush having a bristle field design and to a method for the production thereof.
  • Toothbrushes usually have a brush head with a bristle field formed from bristle bundles. Such toothbrushes are known from the prior art.
  • the bristle fields of the toothbrushes have been diversified over time to improve their application, that is, on the one hand the cleaning effect and on the other hand the handling for the user.
  • One of these developments relates to the use of profiled bristle fields and bristle bundles with bristles of different heights.
  • US 5,926,897 discloses a toothbrush having a bristle field composed of bristle bundles. This bristle field is designed profiled and the individual bristle bundles have a number of higher standing bristles, which form a higher end surface.
  • DE 198 32 436 describes a method for making brushes, in particular toothbrushes.
  • the method shows the processing of bristle bundles with different lengths bristles, wherein the processing of the bristles is performed in different steps by means of lateral deflection.
  • US Design 425,306 shows an ornamental bristle field with substantially triangular bristle bundles, at the corners of rising bristles are arranged.
  • EP 1 425 989 discloses toothbrushes with pointed bristles and a method of making the same.
  • the bristles can have two identical pointed ends or different, ie, one not pointed and one pointed end.
  • WO 2009/000903 describes a toothbrush with bristle bundles, these bristle bundles on the one hand have shorter non-pointed bristles and on the other hand longer pointed bristles.
  • the longer bristles may be randomly distributed in bristle bundling or centrally located in an inner region of the bristle bundle.
  • EP 1 449 458 A1 such as EP 0 972 465 A1 disclose method for making anchorless bristled toothbrushes with a bristle support plate in which a bristle bundle is inserted into a receiving recess of a tool of a bristle machine and acted on by a guided in the receiving recess profile pin on the pin facing the end of the bristles of the bristle bundle to their orientation, wherein the Bristles of the bristle bundle are aligned by means of an end face of the profiled pin, thereby obtaining the topography of the end face of the profiled pin complementary topography.
  • the object underlying the present invention is to provide a toothbrush which is easy to produce and which has a very good cleaning effect and is easy to handle.
  • Bristle bundles with cylindrical bristles and / or pointed bristles are introduced into receiving recesses of a tool of a bristling machine.
  • profile pins is acted on the pin facing the ends of the bristles of the bristle bundles to their orientation, so that the bristles of the bristle bundles are aligned by means of a front side of the profiled pins and thereby receive the topography of the front side of the profiled pins complementary topography, wherein the profile pins on the end face acting on the bristles have a non-continuous surface which forms several levels.
  • the profile pins all have a straight, groove-shaped recess which extends through the center of the respective profile pin, wherein both the receiving recesses and the corresponding profile pins along an arcuate line are arranged in such a way that the straight, groove-shaped recesses of the individual profile pins a continuous Well, or the profile pins all have a groove-shaped recess, which is not necessarily through the center of the circular profile pin, wherein both the receiving recesses and the corresponding profile pins are arranged along a straight line, wherein the groove-shaped recesses are arranged such that a slightly meandering line is created.
  • the bristles of the bundles of bristles with their blunt end opposite the free end are pushed through passages in the bristle support plate, so that the bristles project with an end region over the upper underside of the bristle support plate and the end regions of the bristles are fused to the bristles on the bristle support platelet to fix.
  • An apparatus for carrying out the method according to the invention for producing a toothbrush comprises a die with profile pins guided therein, wherein the profile pins have a highly polished or lapped surface.
  • the toothbrush is made of plastic and comprises at least one hard component and / or one or more soft components.
  • the main body of the toothbrush comprising a head part, a grip part and a neck part connecting the head part and the grip part comprises a carrier element, preferably in the form of a carrier plate.
  • the bristle field formed from bristle bundles is arranged on the carrier element.
  • Both the head, the neck, the handle part and also the carrier element comprise at least one hard component and / or at least one soft component.
  • the head part or the interface to the carrier element and the carrier element itself are made of the same hard component.
  • thermoplastics are preferably used as hard components: styrene polymers, eg styrene acrylonitrile (SAN), polystyrene (PS) acrylonitrile butadiene styrene (ABS), styromethyl methacrylates (SMMA) and styrene butadiene; Polyolefins such as polypropylene (PP) or polyethylene (PE), both in the form of high density polyethylene (HDPE) and in the form of low density polyethylene (LDPE); Polyester, eg Polyethylene terephthalate (PET) in the form of acid modified polyethylene terephthalate (PETA) or in the form of glycol modified polyethylene terephthalate (PETG), polybutylene terephthalate (PBT), acid modified polycyclohexylenedimethylene terephthalate (PCT-A) and glycol modified polycyclohexylenedimethylene ether terephthalate (PCT-G
  • thermoplastic elastomers are preferably used: thermoplastic polyurethanes (TPE-U); thermoplastic styrene elastomers (TPE-S), e.g. Styrene-ethylene-butylene-styrene copolymer (SEBS) or styrene-butadiene-styrene copolymer (SBS); thermoplastic polyamide elastomers (TPE-A); thermoplastic polyolefin elastomers (TPE-O); thermoplastic polyester elastomers (TPE-E).
  • the thermoplastics polyurethanes (PUR) and polyethylenes (PE) can also be used as a soft component.
  • a TPE-S is used.
  • the Shore A hardness of the soft components used is preferably less than 90 Shore A.
  • the hard and soft components used are preferably in two- or multi-component injection molding processed. This forms a material or positive connection between the components.
  • bristles refers to the individual filaments of which bundles of bristles are made up.
  • the terms bristle, bristle filament or filament are used synonymously and all refer to the above-mentioned individual filaments of a bristle bundle.
  • Bristles can be made of different materials.
  • polyamides (PA) or polyesters (PBT) are used.
  • An example of a polyamide used is PA6.12.
  • polyamides are preferably used for cylindrical bristles, while polyesters are preferably used for one-sided or double-sided sharpened bristles.
  • the bristles can have different diameters. As a rule, bristles have a cylindrical shape.
  • the cross section is at least approximately circular cylindrical and constant over the length of the bristle, in this way a circular cylinder is formed.
  • Other cross-sectional shapes are possible, for example, square, rectangular or diamond-shaped.
  • Tapered bristles have on the one hand a cylindrical part in which they have a constant cross-section, on the other hand, these bristles taper over a certain range to at least one payload end.
  • the area of the sharpened bristles which adjoins the pointed area and thus faces the free end has a cylindrical cross-section.
  • bristles may have different types of ends.
  • the bristle end of cylindrical bristles is usually on the one hand at least approximately hemispherical, while on the other hand, the bristle end of pointed bristles leaking to a point.
  • the bristle ends of cylindrical bristles are usually machined to avoid any sharp edges at the bristle end, which may for example result from cutting. Machining means that the ends of the cylindrical bristles are rounded, for example, after being cut to a length for further processing. This breaks sharp edges of the bristle ends of the cylindrical bristles and achieves an at least approximately hemispherical bristle end.
  • the bristles may be at least partially colored. Polyester (PBT) bristles are dyed chemically. If the bristles are made of polyamide (PA), food colors can also be used for coloring. For example, aluminum lake of 3,3'-dioxo-2,2'-diindolinydene-5,5'-disulfonic acid for a blue color, aluminum lake of 5-hydroxy-1- (4-sulfophenyl) -4- (4- sulfophenylazo) -3-pyrazolecarboxylic acid for yellow staining or aluminum lake of 6-hydroxy-5- (4-sulfophenylazo) -2-naphthalenesulfonic acid also used for yellow staining.
  • Wholly or partially colored bristles must be painted in order to ensure their machinability. For example, to reduce the friction between the bristles and the machine parts.
  • the bristle bundles comprise bristles of at least two different lengths. That is, the free ends of the bristles are at different heights from the bristle-carrying top of the head and up in the case of bristle bundles with bristles of two different lengths two different areas.
  • the portion of the bundle of bristles which contains all the bristles in cross-section is called the bundle of bristles.
  • the portion of the bundle of bristles, which in cross-section only comprises the bristles with the bristle ends projecting upwards, is referred to as a reduced part of the bristle bundle.
  • the above-mentioned two effective surfaces are formed on the one hand by the bristle ends of the bristles of shorter length and on the other hand by the bristle ends of the bristles of greater length, that is, with the higher bristle ends.
  • the bristle bundle trunk preferably has a height of 6 mm to 11 mm, particularly preferably 8 mm to 10 mm.
  • the height of the reduced portion of the bristle bundle is preferably 9 mm to 15 mm, particularly preferably 10 mm to 12 mm. The height is measured in each case from the top of the head part or the support element, actually from the exit point of the bristle from the surface.
  • the distance of the end surface of the bristle bundle trunk to the end surface of the reduced part is preferably between 0.5 mm and 5 mm, between 2 mm and 3 mm.
  • bristle bundles comprise bristles with bristle ends of different height which form two usable surfaces. The bristles can also have different bristle ends.
  • the bristle ends may be rounded, as has been described for cylindrical bristles, on the other hand, bristles may have a tapering region towards their free end, which has a sharpened bristle end. In one embodiment, all bristles have pointed bristle ends. In a preferred variant, only bristles with a higher bristle end have a sharpened bristle end. This means that only the reduced part of a bundle of bristles has bristles sharpened bristle end. The remaining bristles of this bristle bundle with a lower bristle end are cylindrical bristles with a rounded bristle end.
  • the higher usable area is formed by bristles with pointed bristle ends
  • the lower lying useful area is formed by bristles with a rounded bristle end.
  • it is the other way around.
  • the bristles with higher bristle ends have rounded bristle ends.
  • the remaining bristles with a lower bristle end have pointed bristle ends. Consequently, in this embodiment, the higher usable space is formed by free, rounded bristle ends and the lower effective area is formed by free, pointed bristle ends.
  • Both cylindrical bristles with a rounded bristle end and bristles with a sharpened bristle end may wholly or preferably only be partially colored.
  • the colored area of a bristle extends over a length of 2 mm to 10 mm, preferably 3 mm to 8 mm.
  • the colored part of the bristles preferably extends toward the free bristle ends thereof.
  • only bristles having a lower bristle end have a colored area, which area preferably extends toward the free bristle ends.
  • the at least partial coloring of the bristles may have other advantages in addition to design and aesthetic aspects to bring oneself.
  • An embodiment of the coloring or of the color itself entails that the fading of the colored area of a bristle or the washing out of the color as the use period progresses are used by the user as an efficient indicator of the shorter life of a toothbrush according to the invention. This gives the user an advantageous consumption display.
  • the bristle field is formed by the bristle bundles arranged on the carrier element.
  • the bristle bundles can be arranged in a grid on the support element.
  • the bristle field may be formed by one or preferably two or more different types of bristle bundles.
  • bristle bundles with cylindrical bristles or bristle bundles with bristles having a sharpened free end or bristle bundles consisting of a combination of cylindrical and sharpened bristles may also be present.
  • the bristle bundles with bristles of bristles of different heights can be arranged exclusively in the outermost regions, while in the interior of the bristle field bristle bundles are formed, which are shaped according to the known state of the art.
  • cylindrical bristles with a height of bristle ends may be attached, which may be configured shorter in their bristle length than the bristle bundles with bristles having at least two bristle ends of different height.
  • alternating longitudinal or transverse areas of the above different types of bristle bundles are also possible.
  • the bundles of bristles can generally, that is to say also the bristle bundles with bristles, which have at least two bristle ends of different heights, be designed in the most varied cross sections. Examples of these are circular, approximately circular, curved, angular or free-form structures.
  • the bristle bundles and also the higher bristle ends in the bundle of bristles are preferably arranged substantially vertically.
  • An inclination relative to the carrier plate can also be realized.
  • the higher ends protrude at an angle relative to the support plate from the bristle bundle.
  • the orientation of the inclination is not limited, the bristles that are affected by the skew can take any angle in the projection perpendicular to the support plate relative to the longitudinal axis of the toothbrush.
  • Bristle bundles with inclined bristles can be combined in the same bristle field with vertical bristle bundles.
  • the lengths of the lower-lying bristle ends and also the lengths of the higher-lying bristle ends can be varied in a bristle field. In a bristle field, it is therefore possible to vary with one length or the other length or with both lengths.
  • the bristle bundles can be combined with additional soft elastic structures arranged on the carrier element or directly on the head part, wherein the soft elastic structures consist of at least one of the soft components described above consist.
  • Such soft elastic structures are preferably designed as soft-elastic cleaning or massage elements.
  • the soft-elastic cleaning or massage elements can have very different shapes due to the great freedom of design.
  • the cleaning or massage elements can also be present as corner-mounted wing-like or pin-shaped configured cleaning or massage elements. Also possible are scraper-like in their plan view wavy designed cleaning or massage elements or curved, possibly approximately circular curved cleaning or massage elements.
  • the approximately circular cleaning or massage elements may form a closed circle or be arranged in segments in a circle.
  • the soft-elastic cleaning or massage elements complement the cleaning effect of the bristles by enhancing the removal of dental plaque and the polishing of the tooth surface or effect.
  • soft-elastic structures, in particular the soft-elastic cleaning or massage elements also serve to dampen cleaning movements and not least the massage of the gums. Analogous to how the different types of bundles of bristles can be combined or arranged with each other, the anchorless bursting of the toothbrush by means of the support element allows a very great design freedom in the arrangement of flexible structures, in particular the cleaning or massage elements.
  • scraper-like, curved in plan view and arranged on a circle soft elastic cleaning or Massage elements enclose one or more bristle bundles, wherein the weichelastiachen cleaning elements are in turn surrounded by bristle bundles or can be.
  • the AFT method allows the realization of bristle bundles with an example arcuate cross-section, since no anchor is necessary which limits the width of the bristle bundle.
  • the bristle bundles comprise bristles of at least two different lengths.
  • the bristles with the higher bristle ends form a (second) effective area.
  • This useful surface may be a plane extending substantially parallel to the top of the head part.
  • the effective area may also be a plane inclined with respect to the top of the head or the effective area may be a, e.g. have wave-shaped, roof-shaped or serrated profile.
  • the bristle-carrying head portion may comprise a bristle field formed of different types of bristle tufts.
  • a bristle field formed of different types of bristle tufts.
  • soft-elastic structures e.g. in the form of soft-elastic cleaning and massage elements, be present.
  • the soft-elastic structures can be formed directly on the head part or on a carrier element which is inserted into the head part and connected to it.
  • the bristles or bundles of bristles become unaided Ankers on the head part or on a support element, such as a bristle support plate attached.
  • a support element such as a bristle support plate attached.
  • the bristles are thereby guided in bundles with their blunt end opposite the free use end through passages in the carrier element, so that an end region of the bristle bundles protrudes beyond the underside of the carrier element.
  • the support member projecting end portion of the bristles they are fixed by melting, gluing or welding.
  • a tool consisting of a block-like main body, also called a die, and a funnel plate is used in a bristle machine.
  • a receiving recess Duzch the die of the tool passes through in the vertical direction, a receiving recess.
  • the cross section of this receiving recess is constant over the entire length of the rectilinear receiving recess in the die.
  • a pin In the receiving recess is a pin, a so-called profile pin, guided in sliding fit.
  • the profiled pins In the region in which they come into contact with bristles, that is to say the profiled pins have on their front side a scratch-free polished, preferably a lapped surface or highly polished. Depending on the shape of the end face of the profiled pin existing recesses must have sharp and burr-free edges, otherwise there is a risk that the bristle filaments when inserting into the hole or in subsequent processing or jam. In addition, it is advantageous if the diameter at the bristle end, which rests on the profile pin is not smaller than the tolerance range between the profile pin and the Receiving recess. The diameter of the depression in the profile pin implies that between 3 and 8 bristles occupy the corresponding profile.
  • the stated number of bristles is higher in the bundle of bristles than in the rest.
  • the final bristle bundle between 5% and 25%, preferably between 10% and 15%, of the bristle ends are higher than the remainder.
  • the bristle ends standing higher are preferably arranged centrically in the bristle bundle.
  • the arrangement at the edge of the contour of the bristle bundle is another possibility of the arrangement.
  • the depth of the recess is between 0.5 mm and 5 mm, preferably between 2 mm and 3 mm.
  • the die or its receiving recesses are filled with the associated pins by a circular arc of the bristle machine with bundles of cylindrical or pointed bristles.
  • a finished bristle bundle may comprise bristles of only one passage as well as of several passes of the circular arc. Furthermore, there is the possibility of using a variable circular arc. This allows the number of bristles fed per pass to be adjusted. In this way a variability of +/- 34% can be achieved starting from an initial burst amount (100%). Accordingly, different sized receiving recesses may be arranged in a die, which leads to the toothbrush to different sized bristle bundles. After filling, the funnel plate is placed on the matrix in another station of the bristle machine.
  • the sliding fit between the die and the profiled pins is designed such that the tips of the sharpened bristles have a larger diameter than the tolerance range of the sliding fit.
  • the movement of the profile pins is limited so that they are movable only within the die.
  • the profiled pin is provided, for example, with a blind hole-like depression to give the respective bristle bundle, in the final form, a topography, in which a part of the bristles a has higher bristle end.
  • the final shape of the bundles of bristles is decisively influenced by the shape of the face of the profile pin. Instead of a blind hole-like depression, however, other arbitrary topographies of the end face of the profile pin are possible.
  • the funnel plate is placed on the die and thereon, if this is provided in the method, a bristle carrier plate such that the bristle carrier plate associated with this bristle bundle is aligned with the corresponding guide passage in the funnel plate.
  • the upper side of the bristle carrying plate comes to rest on the funnel plate, so that the underside of the bristle carrying plate is exposed upwards.
  • this guide passage of the funnel plate on the other hand also corresponds to the receiving recess.
  • a heating stamp is lowered onto the bristles or in the vicinity thereof so that the end region of the bristles melts and forms on the underside a bristle mat 21 which at least partially covers the underside and thereby fixes the bristles to one another and to the bristle support plate.
  • the die of the tool can have a further receiving recess with profile pins guided therein.
  • bristles e.g. cylindrical bristles introduced; These come with their possibly previously mechanically machined ends on the front side of the other profile pins to the plant.
  • a topography that is, a bristle field with different upstanding bristle ends generated.
  • the further profile pins are displaced to push the respective bristle bundles through the further passages of the bristle carrying plate until the bristle bundles project with one end section over the underside of the bristle carrying plate.
  • the melting of the end sections takes place as described above.
  • this bristle mat 21 may consist of polyester (pointed bristles) and polyamide (cylindrical bristle). Since these two types of plastic do not combine in the bristle melt, it is preferable to ensure that groups of bundles of bristles are formed with the individual materials, in which case the bristle melt can combine within a group.
  • the similar bristle bundles are placed in this regard preferably in groups with immediate proximity. In this case, therefore, preferably the bristle bundles of tapered bristles or cylindrical bristles are introduced into receiving recesses or further receiving recesses, which are arranged adjacent to one another and form a group.
  • the present invention can be used for bristle fields of different products.
  • manual toothbrushes, electric toothbrushes with rotating, oscillating, pivoting or translational movement (as sideways or longitudinal movement, vibratory movement or a combination of these movements can be equipped with bristle bundles having bristles with at least two bristle ends of different heights.
  • FIG. 1 is a possible carrier element in the form of a bristle carrying plate 10 in a perspective view obliquely from above. From the top 12 to the bottom 14, a number of passages 16 extend.
  • the passages may also have a circular or any other cross section in the form of a closed contour.
  • From the bottom 14 is in the direction towards below a ring-shaped Zentri mecanicswulst 18, which extends at a small distance from the side edge of the bristle carrier plate 10 along this and is preferably formed wedge-shaped tapering towards the free end.
  • a circumferential and along the side edge extending welding edge 19 is attached. This serves in the process of connecting bristle carrier plate 10 and toothbrush body 28.
  • the welding edge 19 can of course also be provided at any other location laterally or on the underside of the bristle carrier plate 10. In particular, it is also possible to attach the welding edge to the centering bead 18. Of course, these alternative arrangements of the welding edge necessitate adjustments to the counter-geometry of the bristle carrying plate 10, that is, to the recess 32.
  • FIG. 2 shows in the same representation as FIG. 1 the bristle support plate 10, which is provided with a schematically indicated bristle facing 20.
  • the bristle stocking 20 consists of bundles of bristles 22, that is, a bundle of bristles 22 per passage 16.
  • Each of the bristle bundles 22 consists of a plurality of bristles; these are described in detail below.
  • FIG. 3 shows a head portion 24 and a portion of an adjoining neck portion 26 of a toothbrush body 28.
  • the neck portion 26 connects at the side facing away from the head portion 24 in a well-known manner, the handle portion.
  • the head area 24 is of his in the FIG. 3 upper side 30 ago provided with a recess 32 which corresponds to the shape of the bristle carrying plate 10 and is limited by a bottom 34 substantially.
  • the side wall of this recess 32 has a circumferential shoulder, which forms a welding shoulder 35.
  • the back 36 of the toothbrush body 28 is located on the opposite side of the front 30 and is lying in the view shown below.
  • FIG. 4 shows the bristle carrier plate 10 provided with the bristle stock 20 inserted into the recess 32. The insertion is facilitated by the Zentri mecanicswulst 18.
  • the upper surface 12 of the bristle carrier plate 10 is aligned in the finished state of the toothbrush in a preferred manner with the front side 30 of the toothbrush body 28.
  • the bristle carrier plate 10 is firmly connected to the toothbrush body 28, preferably by means of ultrasonic welding. In this case, a weld is performed in the region of the welding edge 19 and the welding paragraph 35.
  • the bristle facing 20 projects beyond the top 12.
  • FIG. 4 thus shows the head portion and a portion of the neck portion of a toothbrush 28. Of course, at this point, other methods for bristle or Brstentragplättchenverank für be used.
  • the bristle support plate 10 is preferably made of a hard component, as described earlier.
  • the head region 24 and the neck region 26 of the toothbrush body 28 are also made from one of these hard components.
  • the same hard component is used for the bristle carrier plate 10 and the toothbrush body 28, at least in the contact area of the two parts.
  • both the bristle carrier plate 10 and the toothbrush body 28 can be produced in a multi-component injection molding process.
  • both the bristle carrier plate 10 and the toothbrush body 28 may each be composed of one or more hard components and / or of one or more soft components.
  • An extract of possible hard and soft components is listed earlier in the text. If the bristle carrier plate 10 consists of one or more hard components and one or more soft components, the passages 16 are preferably arranged in the hard component.
  • the soft component can be used both for the formation of additional soft-elastic cleaning elements on the bristle carrier plate 10 or on the head region 24 or attached to the toothbrush body 28 for functional or decorative purposes.
  • FIG. 5 shows a longitudinal section along a central longitudinal plane, wherein this central longitudinal plane is perpendicular to the front side 30 of the head part 24.
  • the central longitudinal plane or the sectional plane runs doing so by the five in FIG. 4
  • the bristles are arranged in the longitudinal direction of the toothbrush centrally arranged bristle bundles 22.
  • the bristles are not individually detailed, but shown schematically in bundles as area or volume.
  • the reflowed end regions 70 form a readily discernable bristle feltsheet 21, which in the embodiment shown extends over virtually the entire underside 14 of the bristle carrier lamina 10.
  • the bristle carrier plate 10 is connected via its welding edge 19 fixed to the welding shoulder 35 of the head part 24.
  • the welding area is in the Fig. 5 shown schematically with a line as a delimitation. Adjacent to the head part 24 and fixedly connected thereto, the neck part 26 of the toothbrush body 28 is arranged.
  • FIG. 6a shows a way to equip a bristle carrier plate 10 with a bristle bundle 22 having both pointed bristles 40 and cylindrical bristles 39.
  • the die 62 has a receiving recess 64, in which pointed bristles 40 are inserted, and close to a further receiving recess 64 ', in which cylindrical bristles 39 are introduced or have become, on.
  • the guide passages 69 and 69 'of the funnel plate 63 associated with these receiving recesses 64 and 64' converge toward each other in the direction of the bristle carrier plates 10 arranged on the funnel plate 63 so that they form a single common outlet for the bristles 40 and 39 at the downstream end.
  • the two passages 69 and 69 ' still form separate outlets, but which lie directly next to each other.
  • the outlet or the directly adjacent outlets are aligned
  • the bundle 22 becomes sharpened and the bundle 22 of cylindrical bristles 40, 39 pass through the common passage of the bristle carrying plate 10 pushed through until their end portions 70, 70 'protrude beyond the bottom 14 of the bristle carrying plate 10.
  • the bristles 40, 39 are fastened to the bristle carrier plate 10, forming a bristle melt carpet 21.
  • the bristle carrier plate 10 provided with the bristle trim 20 is removed from the tool 60 and brought together with the toothbrush body 28 in a manner known from the prior art and fastened there.
  • the bristles 40, 39 instead of through the bristle carrier plate 10 passed through into a mold cavity. Plastic is then injected into the mold cavity around the brush head form and anchor the bristles 40, 39 in this way.
  • FIG. 6b shows a plan view of a section of the die 62 with the receiving recesses 64 and 64 '.
  • the guide recesses 69 and 69 'associated receiving recesses 64 and 64' unite to the bristle carrier plate 10 facing side of the funnel plate 63 to a single common outlet 65 as in FIG. 6c shown. It is so that the sum of the cross-sectional areas of Fig. 6b , which together form a bundle of bristles 22 equal to the cross-sectional area of the common outlet 65.
  • the Figures 7a-c, 8a-c and 9a-c each show a possible manufactured bristle bundle 22 with bristles, which have a higher bristle end and thus form two different useable areas.
  • the bristle bundles 22 shown are formed by bristles from a plurality of receiving recesses 64.
  • the bristle bundles 22 or their higher-lying parts are each formed by a receiving recess 64 or a single profiled pin 66. That is, all bristles which originate from a receiving recess 64 have the same length in the final product.
  • the Figures 7a, 8a and 9a the corresponding arrangement of the receiving recesses 64 of the die is shown. In FIG.
  • FIG. 7b will be seen a plan view of the finished bristle bundle 22, wherein the part of the bristle bundle 22, the bristles having higher bristle ends has shown gray.
  • the bundle of bristles has the shape of an equilateral triangle in its plan view, with the higher part of the bristle bundle 22 extending toward a tip of the triangle.
  • FIG. 7c is a side view of the bristle bundle 22 FIG. 7b shown.
  • FIG. 8b is a substantially circular bristle bundle 22 shown with a gray, centrally arranged higher standing bristle bundle part.
  • the FIG. 8c shows a side view of the in FIG. 8b illustrated bristle bundle.
  • FIG. 9b Another possible embodiment of a bristle bundle 22 is shown in FIG. 9b shown.
  • the bristle bundle 22 has a square shape. In this case, three of the four of the bundles of bristles divided into quadrants have bristles with a higher bristle end.
  • FIG. 9c shows a side view of the in FIG. 9b illustrated bristle bundle. In the Figs. 7a-c and 8a-c Bristle bundles 22 are shown in which the smaller proportion of the total cross-section is higher. In Fig. 9a-c the opposite situation is shown. The larger proportion of the cross section is higher and a smaller proportion is lower.
  • Fig. 7a-c and Fig. 8a-c another detail is highlighted.
  • the higher-standing parts of the bristle bundles 22 can be arranged both at the edge of the bristle bundle 22, as well as in the middle of lower-lying bristles surrounded in the bristle bundle 22nd
  • FIG. 10a a further possible embodiment of a single bristle bundle 22 is shown, which is made of bristles which originate from only one receiving recess 64.
  • the FIG. 10a shows the receiving recess 64 of the die. That in the FIG. 10b shown bristle bundles 22 has in plan view a circular shape with a gray, centrally arranged elevated bristle bundle part. The corresponding side view of the bristle bundle is in FIG. 10d displayed.
  • FIG. 10c is a plan view of the bristle bundle corresponding profiled pin 66. As shown in FIG. 10e it can be seen, the profiled pin 66 has a recess 68 corresponding to the raised bundle part.
  • the circular shape of the recess 68 has a diameter of 0.3 mm to 0.8 mm, preferably 0.5 mm.
  • This embodiment shows the variant in which the higher bristle bundle part is completely surrounded by the lower bristle bundle part.
  • FIGS. 11a-e a further possible embodiment of a single bristle bundle 22 is shown, which is made of bristles which originate from only one receiving recess 64.
  • the FIG. 11a shows the receiving recess 64 of the die. That in the FIG. 11b shown bristle bundles 22 has in plan view again a circular shape with a gray, circular segment-shaped raised bristle bundle part. The raised bristle bundle part is bounded on the one hand by the circular arc of the circumference of the bristle bundle 22 and on the other hand by a secant.
  • the corresponding side view of the bristle bundle is in FIG. 11d displayed.
  • FIG. 11c is a plan view of the bristle bundle corresponding profiled pin 66. As shown in FIG.
  • the profiled pin 66 has a recess 68 corresponding to the raised bundle part.
  • This embodiment shows the variant in which the higher-lying bristle bundle part lies partly on the edge of the bristle bundle and on the other hand is surrounded by the lower-lying bristle bundle part.
  • FIG. 12a shows the receiving recess 64 of the die. That in the FIG. 12b illustrated bristle bundles 22 has in plan view a circular shape with a raised bristle bundle part shown in gray. In contrast to the embodiments shown above, that in the FIGS. 12b and 12d in bristle bundles shown in plan view or side view not only one but two higher bristle bundle parts in the same bundle of bristles.
  • the two higher-order bristle bundle parts like the bundle of bristles 22 themselves, have a circular shape and are arranged symmetrically on a diameter line of the bristle bundle.
  • FIG. 12c is a plan view of the bristle bundle corresponding profiled pin 66 is shown. Like from the FIG. 12e it can be seen, the profiled pin 66 has two recesses 68 corresponding to the raised bundle part.
  • the example is intended to show that in a bristle bundle 22 a plurality of elevated bristle bundle parts can be formed.
  • the higher bristle bundle parts may have different bristle lengths within the same higher-standing bristle bundle part.
  • the higher bristle bundle parts can have a total of different bristle lengths.
  • FIGS. 13, 14 and 15 show further exemplary embodiments of profile pins 66, each with a different shaped recess 68.
  • profile pin 66 according to FIG. 13 has a groove-shaped, along a diameter line of the circular profiled pin 66 extending recess 68, has the in figure 14 Profile pin shown a cross-shaped recess 68.
  • the in FIG. 15 illustrated profiled pin 66 has a centrally disposed triangular recess 68.
  • the Figures 16a-d show a further embodiment of a bristle bundle 22 with bristles, of which at least one part has a higher bristle end.
  • the four receiving recesses 64 of the die 62 corresponding to the bristle bundle 22 are shown.
  • profile pins 66 have two a centrally disposed recess 68.
  • FIG. 16c shown top view of the finished bristle bundle 22 two gray areas shown on a diagonal of the square bristle bundle with higher standing bristle ends.
  • the FIG. 16d shows the finished bristle bundle 22 in side view.
  • the higher-standing parts of the bristle bundle 22 are achieved in this embodiment by a plurality of profiled pins 66. Depending on a recess in the profile pin 66 is assigned to a higher part.
  • FIGS. 17a-d show a further embodiment of a bristle bundle 22 with bristles, of which at least one part has a higher bristle end.
  • the three receiving recesses 64 of the die 62 corresponding to the bristle bundle 22 are shown.
  • profile pins 66 all have one circular-sector-shaped in each case the other two profiled pins 66 facing recess 68.
  • FIG. 17c shown top view of the finished bristle bundle 22 to see a gray-shaped, triangular region of the bristle bundle 22 with higher bristle ends.
  • the triangular higher part of the bristle bundle 22 is arranged centrally in the likewise triangular bristle bundle 22.
  • the FIG. 17d shows the finished bristle bundle 22 in side view.
  • the higher part of the bristle bundle 22 is achieved in this embodiment by a plurality of profile pins 66.
  • the circular sector-shaped indentations of the individual profile pins 66 each represent only one part, which as a whole ultimately forms the raised part of the bristle bundle 22.
  • the Figures 18a-d represent a further embodiment of a bristle bundle 22 with bristles, of which at least one part has a higher bristle end.
  • the four receiving recesses 64 of the die corresponding to the bristle bundle 22 are shown.
  • profile pins 66 have two a groove-shaped extending through a diameter line recess 68, whereas the recesses of the other two profile pins 66 are each circular segment-shaped.
  • top view of the finished bristle bundle 22 result in the recesses of the profile pins 66 complementary raised portions of the bristle bundle 22 a diagonally across the square bristle bundle 22 extending comb.
  • the FIG. 18d shows the finished bristle bundle in side view.
  • the higher-standing parts of the finished bristle bundle 22 are achieved in this embodiment by the combination of the recesses of a plurality of profile pins 66.
  • FIG. 19a show a possible embodiment of an elongated bristle bundle 22.
  • the receiving recesses 64 of the die 62 can be seen.
  • the profile recesses 64 associated with the receiving recesses 64 are in the FIG. 19b shown.
  • the profile pins 66 all have a straight, groove-shaped recess 68 which extends through the center of the respective profile pin 66.
  • Both the receiving recesses and the corresponding profile pins 66 are arranged along an arcuate line in such a way that the straight, groove-shaped depressions 68 of the individual profile pins 66 form a continuous recess 68.
  • the FIG. 19c shows a plan view of the corresponding, elongated bristle bundle 22.
  • the elevated portion of the bristle bundle 22 is shown in turn gray.
  • the combination of the straight, groove-shaped recesses 68 of the individual profile pins 66 in the finished bundle of bristles 22, a centrally disposed continuous higher part of the bristle bundle 22 is achieved in the form of a comb.
  • the Figure 19d shows a side view of the finished bristle bundle 22 according to the FIG. 19c , In the Figure 19e is a cross section along the line AA in Figure 19d shown.
  • One of the ways that can be used in connection with this embodiment is that although the profile pins 66 are provided with straight recesses 66 in the final product but a circular arc-shaped contour should be created. In the process, it is possible to make the transition continuous by the funnel plate 63 is designed accordingly. With her The transition from straight to round and continuous can be created easily.
  • FIG. 20a shows a further possible embodiment of an elongated bristle bundle 22.
  • the receiving recesses 64 of the die 62 can be seen.
  • the profile recesses 64 associated with the receiving recesses 64 are in the FIG. 20b shown.
  • the profile pins 66 all have a groove-shaped recess 68, which does not necessarily pass through the center of the circular profile pin 66.
  • Both the receiving recesses 64 and the corresponding profile pins 66 are arranged along a straight line.
  • the groove-shaped recesses 68 are arranged such that a slightly meandering line is formed.
  • the FIG. 20c shows a plan view of the corresponding, elongated bristle bundle 22.
  • the elevated portion of the bristle bundle 22 is shown in turn gray.
  • a continuous, higher-lying part of the bristle bundle 22 in the form of a meandering comb is achieved.
  • the FIG. 20d shows a side view of the finished bristle bundle 22 according to the FIG. 20c , In the FIG. 20e is a cross section along the line BB in FIG. 20d shown. Good to see the higher in the form of a comb part of the bristle bundle 22nd
  • the bristle length of the higher-standing part of the bristle bundle can vary. In this way, a height profile can be realized in the designed comb.
  • the higher-order bristle bundle parts formed in this way preferably form a continuous, stepless contour. Next, it is also possible to make the contour interrupted or even unsteady.
  • the arrangement of the profile pins 66 e.g. along a curved line, and on the other hand by the shape and arrangement of the recesses 68 in the individual profile pins 66 achieve a "composite" shape of the part raised in the finished bundle of bristles.
  • bristle types can be used.
  • cylindrical bristles 39 or pointed bristles 40 are used.
  • Fig. 21a shows the bristle end of a cylindrical bristle.
  • the cylindrical bristles are preferably made of polyamide (PA). They have over the bristle length a substantially constant nominal diameter ⁇ nenn (diameter at the thickest point of the bristle), which is for example 0.15 to 0.25 mm, on.
  • the tip 22a of the bristle is rounded in the final state in the brush.
  • the cross section of the cylindrical bristle is preferably circular. But there are also other cross-sectional shapes possible, for example, square, rectangular or diamond-shaped.
  • Topped bristles 40 are in Fig. 21b outlined. Topped bristles 40 are preferably made of polyester (PBT) and also have a constant diameter over a range of their length, eg also a nominal diameter of 0.15-0.25 mm. Toward the tip 40a, the bristle 40 tapers, beginning at a distance a from the tip 40a. Measured from the top 40a corresponds to the diameter at the appropriate location, for example, the following values: Distance (mm) % of the nominal diameter Mittetwert Toteranz Scheme 0.1 8th% 5-15% 1 25% 15-35% 2 45% 30-60% 3 60% 50-80% 4 75% 60-90% 5 80% 70-90% 6 85% > 75% 7 90% > 80%
  • the tapering process is based on the reduction of the diameter by means of a chemical process. Depending on the length of the stay of the bristle in the chemical substance, the plastic degrades and reduces the diameter. The shape of the tip is so influenceable.
  • the taper is dimensioned in both cases as stated above.
  • the one-sided sharpened bristles have a taper at one end and at the other end they are cylindrically shaped and can be rounded off.
  • the bristles, which are sharpened on both sides, are designed with a sharpening at both ends.
  • the pointed bristles can be made the same as the cylindrical bristles.
  • the nominal diameter is left over 75% over a major part of the length.
  • the above table shows that the tapering of the filaments is predominantly on the last 4 to 5 mm. With this configuration, the tip 23a can optimally achieve the smallest fissures and the interdental spaces with sufficient filament stability.
  • cylindrical or unilaterally tapered bristles are used.
  • a length, starting from the brush head is selected between 7 mm and 13 mm.
  • the bristles may be completely or partially colored. Accordingly, in the case of partially colored bristles, for example, only the bristle ends or only one bristle end or else all but the bristle ends can be colored.
  • the coloration itself may be used as an indicator color, i.e. the color wears away in use and thus serves as a usage indicator or as a permanent coloration.
  • the cylindrical bristles which are made of polyamide, for example, be colored with food colors and be provided on the paint with a paint.
  • Possible food colors that can be used are, for example, blue "aluminum lake of 3,3'-dioxo-2,2'-diindolinyidenes-5,5'-disulfonic acid", for yellow " Aluminum Lake of 5-hydroxy-1- (4-sulfophenyl) -4- (4-sulfophenylazo) -3-pyrazolecarboxylic acid "or” aluminum lake of 6-hydroxy-5- (4-sulfophenylazo) -2-naphthalenesulfonic acid acid.
  • Topped bristles which are made of polyester, can not be colored in this way.
  • the coloring of these bristles requires a chemical process, which is not discussed here.
  • the advantage of coloring may be that the technical aspect of different lengths of bristles can be made visible, for example, when only the higher standing bristle ends are colored, or when only the lower-lying bristle ends are colored.
  • the use of the indication of use can be created by the design as an indicator game for the customer.
  • the part of the bristles is colored, which comprises the higher-standing bristle ends.
  • the coloring of the two-sided ends is still possible.
  • the coloring has, if it concerns only the bristle tips, on the finished toothbrush a length of 2 mm to 10 mm, preferably between 3 mm and 8 mm. Due to the processing, the coloration on the unprocessed bristles is longer or adapted, since at most certain parts of the coloring are ground away or cut away. Accordingly, the coloration in the raw material need not be the same length at both ends of the bristles as it may vary in the final product. Preferably, the coloration in the final product is the same length at both bristle ends, if both bristle ends are colored.
  • design variants shown in this document are exemplary and the individual forms and elements of these design variants can be combined with other design variants without departing from the scope of this invention.

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Claims (14)

  1. Méthode pour la fabrication de brosses à dents garnies sans ancrage de poils avec une plaquette de support de poils, dans laquelle des faisceaux de poils avec des poils cylindriques (39) et/ou des poils rétrécis (40) sont introduits dans des évidements de réception (64) d'un outil (60) d'une machine de garnissage de poils et des tiges profilées (66) guidées dans les évidements de réception (64) agissent sur les extrémités orientées vers la tige (66) des poils (39, 40) des faisceaux de poils pour leur alignement, de telle sorte que les poils (39, 40) des faisceaux de poils sont alignés au moyen d'une face frontale des tiges profilées (66) et, de ce fait, obtiennent la topographie complémentaire de la topographie de la face frontale des tiges profilées (66), dans laquelle les tiges profilées (66) présentent une surface discontinue qui forme des niveaux multiples sur la face frontale qui agit sur les poils (39, 40), dans laquelle les tiges profilées (66) présentent toutes un creux (68) droit en forme de rainure, qui passe par le point milieu des tiges profilées (66) respectives, dans laquelle tant les évidements de réception que les tiges profilées (66) correspondantes sont disposés le long d'une ligne arquée de telle sorte que les creux (68) droits en forme de rainure des tiges profilées (66) respectives forment un creux (68) continu, ou dans laquelle toutes les tiges profilées (66) présentent un creux (68) en forme de rainure, ce dernier ne passant pas nécessairement par le point milieu des tiges profilées circulaires (66), dans laquelle tant les évidements de réception que les tiges profilées (66) correspondantes sont disposées le long d'une ligne droite, les creux (68) en forme de rainure étant disposés de telle sorte qu'une ligne avec de légers méandres est formée; et dans laquelle les poils (39, 40) des faisceaux de poils sont poussés avec leur extrémité émoussée opposée à l'extrémité libre pour l'utilisation à travers des passages (16) dans la plaquette de support de poils (10) au moyen des tiges profilées (66), de telle sorte que les poils (39, 40) sont en saillie avec une zone d'extrémité (70) au-delà de la face inférieure (14) située au-dessus de la plaquette de support de poils (10) et les zones d'extrémité (70) des poils (39, 40) sont fondus de façon à fixer les poils (39, 40) sur la plaquette de support de poils (10).
  2. Méthode selon la revendication 1, caractérisée en ce que la face frontale présente un ou plusieurs creux.
  3. Méthode selon la revendication 1 à 2, caractérisée en ce que deux ou plusieurs niveaux d'extrémités de poils sont créés par la surface discontinue de la face frontale de la tige profilée (66).
  4. Méthode selon les revendications 1 à 3, caractérisée en ce que les parties continues de la surface de la tige profilée (66) sont exemptes de rayures, c'est-à-dire polies, polies miroir ou rodées.
  5. Méthode selon les revendications 1 à 4, caractérisée en ce que les transitions discontinues dans la surface de la tige profilée sont formées de bords vifs.
  6. Brosse à dents fabriquée avec la méthode selon l'une des revendications 1 à 5, caractérisée en ce que le faisceau de poils fini (22) présente des poils avec des extrémités de poils plus hautes par rapport aux autres poils et en ce que les extrémités de poils plus hautes du faisceau de poils fini (22) forment un contour continu, en forme de peigne continu arqué disposé centralement ou en forme de peigne continu avec des méandres, qui a été formé par plusieurs tiges profilées (66).
  7. Brosse à dents selon la revendication 6, caractérisée en ce que la distance des extrémités de poils plus hautes par rapport aux extrémités de poils plus basses est entre 0.5 mm et 5 mm, préférablement entre 2 mm et 3 mm.
  8. Brosse à dents selon la revendication 6 ou 7, caractérisée en ce que 5% à 25%, préférablement 10% à 15%, des extrémités de poils dans un faisceau de poils sont plus hautes que le reste des extrémités de poils du faisceau de poils.
  9. Brosse à dents selon l'une des revendications 7 à 8, caractérisée en ce que les extrémités de poils plus hautes sont entourées par les extrémités de poils plus basses.
  10. Dispositif pour la mise en oeuvre de la méthode selon la revendication 1 pour la fabrication d'une brosse à dents selon la revendication 6, comprenant une matrice avec des tiges profilées guidées dedans, caractérisée en ce que les tiges profilées présentent une surface polie miroir ou rodée.
  11. Dispositif selon la revendication 10, caractérisée en ce que les transitions discontinues dans la surface sont formées de bords vifs.
  12. Dispositif selon la revendication 10 ou 11, caractérisée en ce que les transitions discontinues mènent à un creux.
  13. Dispositif selon la revendication 12, caractérisée en ce que le creux présente une profondeur entre 0.5 mm et 5 mm, préférablement entre 2 mm et 3 mm.
  14. Dispositif selon la revendication 12, caractérisée en ce que le creux présente un diamètre de 0.3 mm à 0.8 mm, préférablement 0.5 mm.
EP10008600.8A 2010-08-18 2010-08-18 Brosse à dents dotée d'une topographie particulière des soies Not-in-force EP2420157B1 (fr)

Priority Applications (18)

Application Number Priority Date Filing Date Title
EP10008600.8A EP2420157B1 (fr) 2010-08-18 2010-08-18 Brosse à dents dotée d'une topographie particulière des soies
US13/816,843 US9066579B2 (en) 2010-08-18 2011-08-01 Process for producing a toothbrush having a bristle area design
CA2808212A CA2808212C (fr) 2010-08-18 2011-08-01 Brosse a dents configuree en zones de brossage
RU2013111852/12A RU2576012C2 (ru) 2010-08-18 2011-08-01 Зубная щетка со структурированным щеточным полем
BR112013003586-2A BR112013003586B1 (pt) 2010-08-18 2011-08-01 Processo para produzir escovas de dentes
EP11738977.5A EP2605683B1 (fr) 2010-08-18 2011-08-01 Brosse à dents dotée d'une topographie particulière des soies
AU2011291060A AU2011291060B2 (en) 2010-08-18 2011-08-01 Toothbrush having a bristle area design
MYPI2013000475A MY165941A (en) 2010-08-18 2011-08-01 Toothbrush with bristle area configuration
PCT/EP2011/003858 WO2012022431A1 (fr) 2010-08-18 2011-08-01 Brosse à dents configurée en zones de brossage
CN201180046840.6A CN103140148B (zh) 2010-08-18 2011-08-01 具有刷毛区造型的牙刷
CN201610166719.1A CN105831967B (zh) 2010-08-18 2011-08-01 具有刷毛区造型的牙刷
MX2013001821A MX2013001821A (es) 2010-08-18 2011-08-01 Cepillo dental con un diseño de area de cerdas
KR1020137006878A KR20140006772A (ko) 2010-08-18 2011-08-01 강모 영역 형상부를 구비한 칫솔
EP19182319.4A EP3610757A1 (fr) 2010-08-18 2011-08-01 Brosse à dents à configuration en champ de soies
CO13051791A CO6690772A2 (es) 2010-08-18 2013-03-15 Cepillo de dientes con configuración del área de las cerdas
US14/715,034 US10076181B2 (en) 2010-08-18 2015-05-18 Toothbrush having a bristle area design
US16/100,914 US20180344018A1 (en) 2010-08-18 2018-08-10 Process for producing a toothbrush having a bristle area design
US18/238,711 US20240023701A1 (en) 2010-08-18 2023-08-28 Process for producing a toothbrush having a bristle area design

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10008600.8A EP2420157B1 (fr) 2010-08-18 2010-08-18 Brosse à dents dotée d'une topographie particulière des soies

Publications (2)

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EP2420157A1 EP2420157A1 (fr) 2012-02-22
EP2420157B1 true EP2420157B1 (fr) 2016-03-30

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EP10008600.8A Not-in-force EP2420157B1 (fr) 2010-08-18 2010-08-18 Brosse à dents dotée d'une topographie particulière des soies
EP11738977.5A Active EP2605683B1 (fr) 2010-08-18 2011-08-01 Brosse à dents dotée d'une topographie particulière des soies
EP19182319.4A Pending EP3610757A1 (fr) 2010-08-18 2011-08-01 Brosse à dents à configuration en champ de soies

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EP11738977.5A Active EP2605683B1 (fr) 2010-08-18 2011-08-01 Brosse à dents dotée d'une topographie particulière des soies
EP19182319.4A Pending EP3610757A1 (fr) 2010-08-18 2011-08-01 Brosse à dents à configuration en champ de soies

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US (4) US9066579B2 (fr)
EP (3) EP2420157B1 (fr)
KR (1) KR20140006772A (fr)
CN (2) CN103140148B (fr)
AU (1) AU2011291060B2 (fr)
BR (1) BR112013003586B1 (fr)
CA (1) CA2808212C (fr)
CO (1) CO6690772A2 (fr)
MX (1) MX2013001821A (fr)
MY (1) MY165941A (fr)
RU (1) RU2576012C2 (fr)
WO (1) WO2012022431A1 (fr)

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US20150313351A1 (en) 2015-11-05
CN103140148A (zh) 2013-06-05
RU2013111852A (ru) 2014-09-27
RU2576012C2 (ru) 2016-02-27
US20240023701A1 (en) 2024-01-25
CN103140148B (zh) 2016-04-20
BR112013003586A2 (pt) 2016-06-07
MX2013001821A (es) 2013-05-30
CA2808212A1 (fr) 2012-02-23
MY165941A (en) 2018-05-18
CO6690772A2 (es) 2013-06-17
WO2012022431A1 (fr) 2012-02-23
US9066579B2 (en) 2015-06-30
KR20140006772A (ko) 2014-01-16
CN105831967A (zh) 2016-08-10
CA2808212C (fr) 2020-10-27
CN105831967B (zh) 2019-05-07
EP2605683A1 (fr) 2013-06-26
AU2011291060A1 (en) 2013-04-04
EP2605683B1 (fr) 2019-09-18
US10076181B2 (en) 2018-09-18
BR112013003586B1 (pt) 2020-09-08
AU2011291060B2 (en) 2016-02-04
US20130139338A1 (en) 2013-06-06
US20180344018A1 (en) 2018-12-06
EP3610757A1 (fr) 2020-02-19
EP2420157A1 (fr) 2012-02-22

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