WO2021083874A1 - Corps de support pour un insert de poils, brosse et procédé de fabrication d'une brosse - Google Patents

Corps de support pour un insert de poils, brosse et procédé de fabrication d'une brosse Download PDF

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Publication number
WO2021083874A1
WO2021083874A1 PCT/EP2020/080150 EP2020080150W WO2021083874A1 WO 2021083874 A1 WO2021083874 A1 WO 2021083874A1 EP 2020080150 W EP2020080150 W EP 2020080150W WO 2021083874 A1 WO2021083874 A1 WO 2021083874A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier body
section
anchoring section
guide opening
embedding surface
Prior art date
Application number
PCT/EP2020/080150
Other languages
German (de)
English (en)
Inventor
Bart Gerard Boucherie
Chris DEPICKERE
Original Assignee
Gb Boucherie Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gb Boucherie Nv filed Critical Gb Boucherie Nv
Priority to EP20799664.6A priority Critical patent/EP4051054B1/fr
Publication of WO2021083874A1 publication Critical patent/WO2021083874A1/fr

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Classifications

    • 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
    • A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
    • 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
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara
    • 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
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically

Definitions

  • the invention relates to a carrier body for a bristle insert, a brush which has such a carrier body and a bristle insert, and a method for producing such a brush.
  • the brush consists of filigree brushes such as cosmetic brushes, mascara brushes or interdental brushes, the common feature of which is that they have a bristle insert, the supporting structure of which consists of a wire that is bent in the middle by 180 ° and the two sections of which are twisted together, a plurality of bristles being clamped between the two twisted-together sections along a portion of the wire.
  • the part of the wire provided with the bristles forms a bristle section, and a part which is not provided with bristles forms an anchoring section which is fastened on or in the carrier body.
  • the anchoring section is heated and pressed into the material of the carrier body in order to be anchored there after it and the material heated by it have cooled down again.
  • the disadvantage of this Method also consists in a very limited clock rate as it takes some time to warm up the anchoring section and then to let it cool down again.
  • Another method consists in providing a receiving socket for the anchoring section in the carrier body, heating the material of the receiving socket to a softening temperature and then pressing the socket together from two sides after the anchoring section has been inserted into the receiving socket. This method enables high clock rates to be achieved.
  • the object of the invention is to create a brush of the cosmetic brush, mascara brush, interdental brush or similar type which can be manufactured at a high cycle rate and in which the bristle insert is reliably anchored on the carrier body.
  • the object of the invention is also to provide a method for producing such a brush.
  • a carrier body for a bristle insert is created, the bristle insert being formed from two wire sections twisted together, the carrier body having a guide opening whose cross section is larger than the cross section of the twisted wire of the bristles to be attached to the carrier body, and an embedding surface which is accessible in a direction that is lateral to the longitudinal direction of the guide opening, in particular perpendicular to the guide opening, a natural material being used as the material for the carrier body.
  • a brush with such a carrier body is also required to solve this problem and a bristle insert is provided which is fastened in the carrier body, the bristle insert having two wire sections twisted together, which clamp a plurality of bristles between them in a bristle section and form an anchoring section in a section free of bristles, which is received in the carrier body and fastened there is, characterized in that the anchoring section has a bending section in which it extends in at least one direction deviating from the longitudinal direction.
  • a method is finally provided in which such a carrier body is first provided. The anchoring section of the bristle insert is then inserted through the guide opening of the carrier body until it lies opposite the embedding surface. A sonotrode is then activated and pressed onto the anchoring section, so that the anchoring section is pressed into the carrier body by the sonotrode and firmly connected to it, the anchoring section being plastically deformed by the sonotrode to form the bending section.
  • the invention is based on the basic concept of connecting the anchoring section firmly to the carrier body by so-called ultrasonic embedding and thereby plastically deforming the anchoring section in such a way that it no longer has a continuously straight course.
  • “Firmly connect” means that the material of the carrier body is locally deformed in the area of contact with the anchoring area of the bristle insert under the effect of the vibration energy coupled in by the sonotrode and the pressure applied and burns into the anchoring area.
  • Wood or bamboo is particularly suitable as the material for the carrier body.
  • the use of renewable raw materials results in a good ecological balance.
  • the anchoring section is surprisingly firmly connected to the carrier body when the two parts with the sonotrode are firmly pressed against one another.
  • the anchoring section seems to burn itself into the wood / bamboo material of the carrier body, although no traces of fire are visible.
  • the anchoring section is fastened more firmly to the carrier body, the deeper it is pressed or embedded into the material of the anchoring section.
  • the anchoring section is preferably embedded in the material of the carrier body in such a way that more than 20% and preferably more than 50% of the cross section of the anchoring section is below the level of the embedding surface.
  • An embedding surface is characterized by the fact that it is present on the carrier body before the bristle insert is attached (i.e. not first molded in subsequently injected material) and that it is plastically deformed by the anchoring area so that it is embedded in the material of the carrier body (and is not only slightly deformed locally as a result of mechanical pressure exerted by the anchoring area on a surface of the carrier body).
  • the deformation of the anchoring section creates an anti-twist protection which ensures that the wire can no longer be “unscrewed” from the carrier body.
  • the remaining, undeformed part of the anchoring section then forms a protection against being pulled out. Since a large part of the cross-section or even the entire cross-section of the anchoring section is embedded in the carrier body, overall high holding forces result.
  • the embedding surface can be flat, and the bending section of the anchoring section can be designed as a concave “dent”, which is pressed into the material of the carrier body by the sonotrode.
  • the sonotrode preferably has a projection that the Anchoring section locally deformed into a bending section which is embedded in the material of the carrier body.
  • the embedding surface of the carrier body can be designed without an undercut. It can also be provided that the embedding surface has a concave depression. The anchoring section is deformed into this recess by the sonotrode when it is pressed onto the anchoring section.
  • the advantage of this design is that no material of the carrier body has to be displaced in order to accommodate the bending section (apart from the small amount of material that has to be displaced when embedding the anchoring section).
  • the embedding surface has at least one section extending obliquely to the longitudinal direction of the guide opening, in particular such that the embedding surface is arranged offset from the guide opening.
  • the bending section of the anchoring section is produced in that the anchoring section is displaced overall by more that is the embedment depth relative to the plane in which it is guided by the guide opening.
  • the anchoring section is preferably displaced by a distance which is more than 200% of the diameter of the anchoring section with respect to the position which is predetermined by the guide opening.
  • the embedding surface is the bottom of a narrow slot.
  • the side walls of the slot guide the anchoring section so that the sonotrode can be pressed reliably through the slot onto the anchoring section, even if the sonotrode has a very small width.
  • the slot can extend straight in the same direction as the guide opening. This makes it easier to push the anchoring section into the slot and onto the embedding surface. It can also be provided that the slot is curved.
  • the anchoring section is deformed in relation to its straight initial shape before it is pressed into the embedding surface by the sonotrode. It is due to the curved course of the anchoring section no longer necessary to deform it locally in order to obtain the desired protection against unscrewing.
  • the slot preferably has a width of less than 2 mm, particularly preferably less than 1 mm. With this small width, it is not absolutely necessary to subsequently close the slot, since the narrow slot does not impair the usability of the brush.
  • the embedding surface is the bottom of a shaft. This enables a wider sonotrode to be used to press the anchoring section into the embedding surface. If necessary, a closure part must then be attached in order to close off the carrier body from the outside.
  • the embedding surface is arranged below several separate access openings.
  • the embedding surface is not or almost not visible from the outside; the access openings can be made so small that they are perceived as part of the design.
  • the guide opening preferably has a circular cross section so that the anchoring section of the bristle insert can be reliably guided. In principle, however, other cross-sections are also possible.
  • the guide opening could also be designed as a slot which guides the anchoring section laterally in such a way that it comes to rest at the desired location on the embedding surface.
  • a closed guide opening there is the advantage that the guide section keeps all loads away from the anchoring section which attempt to pull the anchoring section “upwards” out of the embedding surface.
  • the guide opening is designed as a slot, precautions are preferably taken to prevent peeling forces from acting on the anchoring section.
  • the slot should either extend in a direction that prevents the anchoring section from being pulled out of the embedding surface (for example, parallel to the embedding surface), or the slot is subsequently provided with a cover or the like closed, so that a closed guide opening results.
  • the cross section of the guide opening is preferably adapted to the cross section of the anchoring section; the guide opening has a slightly larger cross-section.
  • the cross-sectional area is preferably less than 2 mm 2 and in particular less than 1 mm 2 .
  • FIG. 1a shows a top view of a carrier body according to a first embodiment with a bristle insert to be attached thereto;
  • FIG. 1 b shows a top view of a carrier body according to a second embodiment with a bristle insert to be attached thereto;
  • FIG. 2a shows the carrier body and the bristle insert from FIG. 1a in a perspective sectional view
  • FIG. 2b shows the carrier body and the bristle insert from FIG. 1b in a perspective view
  • FIG. 3 shows a sectional view of a carrier body according to a third embodiment with a bristle insert to be attached thereto;
  • FIGS. 4a to 4e schematically show different steps of attaching a set of bristles to a carrier body and an enlarged section through the carrier body with an anchoring section embedded therein;
  • FIGS. 5a to 5c show various steps for attaching a bristle insert to a carrier body which is designed in a manner similar to the carrier body of FIG. 3;
  • FIGS. 6a and 6b schematically the attachment of a bristle insert to a carrier body according to an alternative embodiment
  • FIGS. 7a and 7b schematically show the attachment of a bristle insert to a carrier body according to a further embodiment
  • FIGS. 8a and 8b show two steps for attaching a closure part to the carrier body of FIG. 5;
  • FIGS. 9a and 9b show two steps for attaching a closure part to the carrier body of FIG. 7;
  • FIGS. 10a to 10d show, in a side view and a top view, the attachment of a closure part to a carrier body according to a further embodiment and the finished brush;
  • FIG. 11 shows schematically the attachment of a bristle insert with a sonotrode according to a further embodiment
  • FIG. 12 shows schematically the attachment of a bristle insert with a sonotrode in accordance with yet another further embodiment
  • FIG. 13 shows a sectional view of a carrier body according to a further embodiment
  • FIG. 14 shows a side view of a bristle insert in a state in which it is anchored in the carrier body of FIG. 13;
  • FIG. 15 shows a sonotrode of the type used to fasten the set of bristles from FIG. 14 in the carrier body from FIG. 13;
  • FIGS. 16a to 16d show, in a side view, two schematic views and a sectional view, various steps of fastening a bristle insert in a carrier body similar to the embodiment of FIG. 13;
  • FIGS. 17a to 17d show different variants of a brush according to a further embodiment, the carrier body being based on the embodiment according to FIG. .
  • a bristle insert 10 and a carrier body 20 are shown which, when they are joined together, form a brush. It is a cosmetic brush, a mascara brush or an interdental brush.
  • the bristle set 10 consists of a piece of wire that is bent in the middle so that two sections of equal length are obtained. These are twisted together. In this case, a large number of bristles are introduced between the two wire sections that are twisted together in one area, so that the bristles are clamped between the wire sections.
  • the bristles form a bristle section 12. Outside of the bristle section 12, the twisted wire sections are free of bristles.
  • the end of the twisted wire opposite the bristle section 12 forms an anchoring section 14 which is intended to be fixedly connected to the carrier body 20.
  • the carrier body 20 consists of a renewable raw material, in particular wood or bamboo, and has a handle section 22 and a guide section 24.
  • a slot 26 is provided in the handle section 22, which, viewed here in a plan view, is curved several times, that is to say in an undulating manner.
  • the slot 26 merges into a guide opening 28 which extends through the guide section 24.
  • the slot 26 extends from an outside of the handle section into the interior of the carrier body 20.
  • the bottom surface of the slot 26 forms an embedding surface 30. Due to the slot 26, the embedding surface 30 is accessible laterally (based on the longitudinal direction of the guide opening 28), in particular in a direction perpendicular to the longitudinal direction of the guide opening 28.
  • the embedding surface 30 is at the same level as the guide opening 28 (more precisely like the part of the wall of the guide opening 28 which is remote from the side of the carrier body 20 on which the slot 26 opens out).
  • the guide opening 28 therefore merges directly and evenly into the embedding surface 30.
  • the anchoring section 14 of the bristle insert 10 When the anchoring section 14 of the bristle insert 10 is pushed into the guide opening 28, it enters the slot 26 Further insertion, it slides along the embedding surface 30, the anchoring section assuming the wave-like shape of the slot 26.
  • FIGS. 1b and 2b A second embodiment of the carrier element 20 is shown in FIGS. 1b and 2b.
  • the same reference numerals are used for the components known from the previous embodiment, and in this respect reference is made to the explanations above.
  • a recess 32 is provided between the embedding surface 30 and the guide opening 28.
  • the depth of the recess 32 is more than 100% of the diameter of the anchoring section 14 of the bristle insert 10.
  • the width of the recess 32 (measured perpendicular to the insertion direction and perpendicular to the depth direction) corresponds to the width of the slot 26 adjoining the recess and the width of the embedding surface 30th
  • a bevel 34 is provided at the transition to the embedding surface 30.
  • the bristle insert 10 with its anchoring section is pushed into the carrier body (Figure 4a), more precisely through the guide opening 28 into the slot, so that the anchoring section 14 lies on the embedding surface 30 ( Figures 4b and 4c).
  • a sonotrode 60 is then pushed into the slot from the outside (FIG. 4d) and moved until it rests on the anchoring section 14.
  • the shape and the dimensions of the sonotrode 60 correspond to the shape and dimensions of the slot 26 (or the dimensions are slightly smaller), so that the sonotrode is guided onto the anchoring section 14 of the bristle insert 10.
  • the sonotrode 60 is activated in such a way that it transmits ultrasonic vibrations to the anchoring section 14. Due to the friction with the material of the carrier body 20, these lead to the material being heated. Due to the mechanical pressure that the sonotrode 60 exerts on the anchoring section 14, the anchoring section 14 is pressed into the heated material of the carrier body 20 and connects to it.
  • This embedding process can be continued so far that the two wire sections of the anchoring section 14 (at least almost) completely sink into the carrier body.
  • the anchoring section then lies (at least almost) completely below the embedding surface 30 after it is embedded in the material of the carrier body (see FIG. 4e).
  • the anchoring section can also only be partially pressed into the embedding surface. It has been found that in such a case, too, a surprisingly high and in any case sufficient pull-out force results.
  • FIGS. 5a to 5c it is explained below how the anchoring section 14 is fastened to a carrier body which has the recess 32 known from FIGS. 1b and 2b.
  • the cross-sectional shape of the recess 32 here differs slightly from FIG. 3, namely V-shaped.
  • the bristle insert 10 is pushed into the carrier body 20 in the same way as described with reference to FIGS. 4a to 4c.
  • the foremost area of the anchoring section is cantilevered over the recess 32.
  • the sonotrode 60 used here is provided with a deformation projection 62 which, when the sonotrode 60 is pressed onto the anchoring section 14, presses it locally into the recess 32. Through this, a concave bending section 16 is formed on the anchoring section 14. The bending section 16 is pressed into the material of the carrier body 20 by the sonotrode in the same way as the remaining (straight) part of the anchoring section 14.
  • the bending section 16 improves the anchoring force which the material of the carrier body 20 exerts on the anchoring section 14. In particular, the bending section 16 prevents the anchoring section 14 from being screwed out of the material of the carrier body 20.
  • the slot 26 is very narrow, it does not have to be closed. Since it is very much deeper than it is wide, the anchoring section 14 cannot or can hardly be seen at the bottom of the slot.
  • the sonotrode deforms the anchoring section 14 during embedding
  • the anchoring section is pushed onto the embedding surface, then deformed by means of a stamp and then pressed into the embedding surface by means of the sonotrode.
  • FIGS. 6a and 6b An alternative embodiment of the carrier body 20 and the connection of a bristle insert 10 to this carrier body 20 are described with reference to FIGS. 6a and 6b.
  • the same reference numerals are used for the components known from the previous embodiments, and in this respect reference is made to the explanations above.
  • the embedding surface 30 merges into the guide opening 28 flat here and without a depression or the like.
  • the sonotrode 60 is provided with a deformation projection 62.
  • the anchoring section 14 is deformed in such a way that it penetrates deep into the material of the carrier body 20 and thereby assumes the negative of the contour of the deformation projection 62.
  • the deformation projection 62 is shown here in the vicinity of the guide opening 28. However, it is also possible to attach the deformation projection 62 at a greater distance from the guide opening 28.
  • FIGS. 7a and 7b A further embodiment of the carrier body 20 and a resulting, slightly different type of fastening of the connecting section to the carrier body is explained with reference to FIGS. 7a and 7b.
  • the same reference numerals are used for the components known from the previous embodiments, and in this respect reference is made to the explanations above.
  • the embedding surface 30 is at a level that is below the level of the guide opening 28.
  • the anchoring section 14 is pushed through the guide opening 28, it is initially exposed above the embedding surface 30.
  • the sonotrode 60 When the sonotrode 60 is pressed onto the anchoring section 14, it first presses it down onto the embedding surface. In this case, the wire is bent at the transition to the region of the bristle insert 10 which is located in the guide opening 28, so that a bending section 17 is formed there. In contrast to the previous embodiments, in which the bending section 16 is concave, the bending section 17 is only inclined in one direction, since it has to bridge the flea offset between the guide opening 28 and the embedding surface.
  • the sonotrode is then activated and the anchoring section 14 is pressed into the material of the carrier body 20.
  • the deformation of the bending section 17 increases because it now also has to bridge the embedment depth.
  • the carrier body In the area in which the bending section 17 is produced, the carrier body then has a bevel. Alternatively, the bending section 17 forms its own path under the action of the sonotrode 60.
  • a closure part 40 can be used (see FIGS. 8a and 8b), which is fixedly attached to the carrier body 20 in any suitable manner (a press ram 70 is shown here). This corresponds to the embodiment of FIG. 5 here.
  • a closure part 40 can also be used in the case of a carrier body 20 in which the embedding surface 30 is offset relative to the guide opening 28, as is known from FIG. This is shown in Figures 9a and 9b.
  • FIGS. 10a to 10d An alternative embodiment of the carrier body 20 is shown in FIGS. 10a to 10d.
  • the same reference numerals are used for the components known from the previous embodiments, and in this respect reference is made to the explanations above.
  • the closure part is designed in the form of a plate here.
  • FIG. 6 Another embodiment of the sonotrode 60 is shown in FIG. The difference to the sonotrode, as it is known from FIG. 6, is that a deformation projection 63 is used which is not V-shaped or pointed, but rather has a rounded contour.
  • FIG. 11 A further variant of the sonotrode 60 is shown in FIG.
  • the difference from FIG. 11 is that three pointed deformation projections 62 are provided here, so that three bending sections are formed which are embedded deeply in the material of the carrier body 20.
  • FIGS. 13 and 14 a carrier body 20 and a bristle insert 10 according to a further embodiment are shown.
  • the same reference numerals are used for the components known from the previous embodiments, and reference is made to the above explanations.
  • the difference between the embodiment of the carrier body 20 from FIG. 13 and the carrier bodies from the other embodiments is that, in the embodiment of FIG. 13, access to the embedding surface 30 is not via a single slot, but via a plurality of separate, i.e. separate ones Access openings 27. These extend similar to ventilation shafts in a mine, which lead to a tunnel; the embedding surface 30 is arranged at the bottom of the tunnel to be ventilated.
  • the anchoring section 14 of the bristle insert 10 pressed into the embedding surface 30 and fastened there can be seen in FIG.
  • the anchoring section 14 Corresponding to the two depressions 32 of the anchoring surface, the anchoring section 14 has two “dents”. In the initial state, that is, before the anchoring section 14 is pushed into the carrier body and connected to it, the anchoring section extends in a straight line.
  • FIG. 6 An example of a sonotrode 60, with which the anchoring section 14 is deformed and connected to the embedding surface 30 in a carrier body 10 with a plurality of access openings 27, can be seen in FIG.
  • the sonotrode 60 has a plurality of pins 61 which each extend through one of the access openings into the carrier body 20 and there press on the anchoring section 14.
  • the pins 61 are designed with suitable lengths, that is to say longer where a recess 32 is provided.
  • FIGS. 16 a to 16 d it can be seen how a bristle insert 10 is connected to a carrier body 20 which has several separate access openings 27.
  • the bristle insert 10 is pushed into the guide opening 28 with a straight anchoring section 14, so that the anchoring section 14 lies on the embedding surface 30 (FIGS. 16a and 16b).
  • the anchoring section 14 is then heated by means of a sonotrode 60, as shown in FIG. 15, and pressed against the material of the carrier body 20, the anchoring section being plastically deformed according to the presence of a recess 32 (see FIGS. 16c and 16d).
  • a bending section 17 is formed which bridges the height offset between the guide opening 28 and the embedding surface 30.
  • the access openings 27 have a very small cross section, it is not necessary to close them with a separate closure part.
  • FIGS. 17a to 17d different variants of a brush are shown in which, in addition to several access openings 27, a large number of small recesses 80 are present.
  • the recesses serve to increase the grip.
  • Each of the recesses 80 has a cross section that corresponds to the cross section of the access openings 27. Therefore, the access openings 27 differ from the recesses 80 only because of their depth; The anchoring section 14 is visible at the bottom of the recesses.
  • the cross section of the access openings is quite small, it is not necessary to close the access openings; they can hardly be identified as such in the set of recesses 80.
  • the particular advantage of the support bodies and brushes according to the invention is that the renewable raw material (in particular wood or bamboo) used for the support body results in a good ecological balance and a high level of sustainability. Also don't need any adhesives or other chemical products used; a mechanically firm connection between the anchoring section 14 of the bristle insert 10 and the material of the carrier body 20 results only as a result of the pressure applied and the heat generated.
  • the renewable raw material in particular wood or bamboo

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)

Abstract

La présente invention concerne un corps de support (20) pour un insert de poils (10), qui est formé à partir de deux parties de fil torsadées ensemble, le corps de support (20) comprenant une ouverture de guidage (28), dont la section transversale est plus grande que la section transversale du fil torsadé de l'insert de poils (10) devant être fixé au corps de support (20), et une surface d'encastrement (30) qui est accessible dans une direction latérale à la direction longitudinale de l'ouverture de guidage (28), en particulier perpendiculairement à la direction longitudinale de l'ouverture de guidage. L'invention concerne en outre une brosse comprenant un corps de support (20) de ce type et comprenant un insert de poils (10), qui est fixé dans le corps de support (20), l'insert de poils (10) comprenant deux parties de fil torsadées ensemble, qui serrent une pluralité de poils entre lesdites parties de fil dans une partie de poil (12) et forment une partie d'ancrage (14) dans une partie exempte de poils, ladite partie d'ancrage étant reçue dans le corps de support (20) et fixée à ce dernier, caractérisé en ce que la partie d'ancrage (14) comprend une partie de courbure (16 ; 17), dans laquelle la partie d'ancrage s'étend dans au moins une direction s'écartant de la direction longitudinale. L'invention concerne enfin un procédé de production d'une brosse de ce type.
PCT/EP2020/080150 2019-10-30 2020-10-27 Corps de support pour un insert de poils, brosse et procédé de fabrication d'une brosse WO2021083874A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20799664.6A EP4051054B1 (fr) 2019-10-30 2020-10-27 Corps de support pour un insert de poils, brosse et procédé de fabrication d'une brosse

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Application Number Priority Date Filing Date Title
DE102019129284.0 2019-10-30
DE102019129284.0A DE102019129284A1 (de) 2019-10-30 2019-10-30 Trägerkörper für einen Borsteneinsatz, Bürste und Verfahren zur Herstellung einer Bürste

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WO2021083874A1 true WO2021083874A1 (fr) 2021-05-06

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EP (1) EP4051054B1 (fr)
DE (1) DE102019129284A1 (fr)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021180512A1 (fr) * 2020-03-11 2021-09-16 Gb Boucherie Nv Brosse et procédé de production de ladite brosse
WO2021185988A1 (fr) * 2020-03-20 2021-09-23 Gb Boucherie Nv Support de poils, brosse et procédé de production du support de poils et de la brosse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10155546A (ja) * 1996-11-27 1998-06-16 Nisshin Kinzoku Kk 歯間ブラシ
WO2000056185A1 (fr) * 1999-03-22 2000-09-28 John O. Butler Company Dispositif d'hygiene dentaire pourvu d'un element d'hygiene dentaire pouvant etre facilement monte et identifie
US20110314624A1 (en) * 2009-07-02 2011-12-29 Kabushiki Kaisha Ufc Supply Interdental brush and method of producing the same
WO2020089278A1 (fr) * 2018-10-31 2020-05-07 Gb Boucherie Nv Corps porteur pour un insert de crins de brosserie, brosse et procédé de fabrication d'une brosse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10155546A (ja) * 1996-11-27 1998-06-16 Nisshin Kinzoku Kk 歯間ブラシ
WO2000056185A1 (fr) * 1999-03-22 2000-09-28 John O. Butler Company Dispositif d'hygiene dentaire pourvu d'un element d'hygiene dentaire pouvant etre facilement monte et identifie
US20110314624A1 (en) * 2009-07-02 2011-12-29 Kabushiki Kaisha Ufc Supply Interdental brush and method of producing the same
WO2020089278A1 (fr) * 2018-10-31 2020-05-07 Gb Boucherie Nv Corps porteur pour un insert de crins de brosserie, brosse et procédé de fabrication d'une brosse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021180512A1 (fr) * 2020-03-11 2021-09-16 Gb Boucherie Nv Brosse et procédé de production de ladite brosse
WO2021185988A1 (fr) * 2020-03-20 2021-09-23 Gb Boucherie Nv Support de poils, brosse et procédé de production du support de poils et de la brosse

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