EP3370571B1 - Procédé d'appointissage mécanique de poils et dispositif de meulage - Google Patents

Procédé d'appointissage mécanique de poils et dispositif de meulage Download PDF

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Publication number
EP3370571B1
EP3370571B1 EP16785450.4A EP16785450A EP3370571B1 EP 3370571 B1 EP3370571 B1 EP 3370571B1 EP 16785450 A EP16785450 A EP 16785450A EP 3370571 B1 EP3370571 B1 EP 3370571B1
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EP
European Patent Office
Prior art keywords
tuft
grinding
bristle
holder
axis
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EP16785450.4A
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German (de)
English (en)
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EP3370571A1 (fr
Inventor
Bart Gerard Boucherie
Henk Vandenbussche
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GB Boucherie NV
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GB Boucherie NV
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Publication of EP3370571A1 publication Critical patent/EP3370571A1/fr
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/04—Preparing bristles
    • A46D1/05—Splitting; Pointing
    • 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
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/04—Preparing bristles
    • A46D1/055—Combing; Mixing; Sorting
    • 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

Definitions

  • the invention relates to a method for mechanically sharpening bristles and a grinding device for mechanically sharpening bristles.
  • Pointed bristles are used in various brushes, in particular toothbrushes, since these have an advantageous effect on the cleaning properties of the brush.
  • a chemical method for sharpening bristles is known, with which the quality of the bristle tips can be improved.
  • the bristle ends are immersed in a strongly basic or acidic solution and pulled out of the solution over a period of about 30 minutes. At the point where the bristles are in contact with the solution, the surface of the bristles dissolves and thus leads to a gradually decreasing diameter and thus to the bristle ends.
  • the disadvantage of the chemical process is the environmentally harmful properties of the solution used. Not only are the employees and the environment endangered by the solution, but also the operating resources, for example due to corrosion, are damaged. This leads to a shorter service life of the machines and tools and is therefore disadvantageous from an economic point of view.
  • the BE 1 013 968 A3 also shows a device by means of which bristles, which are fastened in a brush head, can be provided with a contour.
  • the object of the invention is to provide a method and a device for sharpening bristles which ensures a high quality of the bristle tips without resorting to environmentally harmful chemical solvents.
  • one or more grinding rollers are used for grinding, which preferably have a circular cylindrical or conical outer surface on which the grinding process is carried out. Furthermore, the tuft holder rotates during grinding about an axis of rotation which is parallel to the longitudinal direction of the clamped bristles and at an angle of at least 80 ° to the axis of rotation of the grinding roller. This relative movement favors the sharpening of the bristle ends.
  • the ratio (R / r) of the radius of the grinding roller to the distance of the clamped bristle tuft furthest from the axis of rotation of the tuft holder from the axis of rotation is 1 to 4, in particular 1 to 3. This ratio has an advantageous effect on the quality of the bristle tips.
  • the present invention gives a completely different specification from the prior art as to how far the bristle tuft should protrude from the holder if the bristles have a tip of a predetermined length should have over which they taper. If, for example, the bristle tuft is ground so that the individual bristles have or should have a tipped length of 4 mm, the bristle tuft is clamped in the tuft holder in such a way that the freely projecting length of the bristle tuft is at least 12 mm at the start of the grinding process.
  • the holder is to be understood as the point of the tuft holder that is closest to the just ground end of the bristle tuft but has contact with the bristle tuft.
  • the tufts of bristles were always clamped in such a way that their free length was significantly below this ratio.
  • the free length of the clamped tufts of bristles to be ground was preferably less than half of the total length.
  • the relatively short, free length was considered advantageous because it was believed to improve the positional stability of the bristles and the predictability of the grinding process, which was considered advantageous.
  • the invention ensures that the tufts are sharpened at a more acute angle and much more precisely because of the extreme elasticity of the bristle tufts protruding long.
  • the bristles have a tapered tip.
  • This method is also suitable for brushes with bristles fastened without anchors, in which the bristles which have been pointed on one side are fastened, in particular glued or welded, with their non-sharpened end in the brush head, and are also used for bristle tufts which are fastened via an anchor or a wire loop.
  • the curved surface of the grinding rollers has an advantageous effect on the quality of the bristle tips.
  • the aforementioned ratio L / I is at least 4 and / or is less than or equal to 7, in particular less than or equal to 6.5.
  • a further embodiment of the method according to the invention provides in step a) above to clamp bristle tufts in a tuft holder such that the free length of the bristle tufts from the holder to the free, tapered first end is at least 12 mm and / or more than 40% of the total length of the uncut Tufts of bristles.
  • the bristles are pointed at both ends of the bristles, the large free length of the bristles being achieved by changing the position of the bristle tuft in the tuft holder, which is necessary to ensure a particularly high quality of the bristle tips.
  • the method for sharpening bristles on both sides is particularly suitable for brushes in which the bristles are folded and fastened in the brush head with a metal anchor or a wire loop.
  • These bristles are preferably used in small brushes, in particular toothbrushes, the bristles of which protrude approximately 10 mm to 15 mm from the brush head.
  • step b) and before step d) the tuft holder is rotated by 180 ° about an axis which is orthogonal to the longitudinal direction of the clamped bristles, around the bristle ends on the other side of the tuft holder in to bring a position for editing.
  • the unsanded bristle tufts preferably have a length of 26 mm to 32 mm and are ideal for toothbrushes with folded bristles due to this property.
  • the invention further relates in a further solution to a method for mechanically sharpening bristles for brushes, in particular toothbrushes, by grinding bristle tufts on a grinding surface of a rotating tool, which is characterized in that the bristle tufts progressively further in the direction during the ongoing grinding process are fed to the tool-side grinding surface and the relative speed between the grinding surface and the bristle tufts is increasingly reduced.
  • This solution can of course also be combined with the previously mentioned solution.
  • the tips of the bristles are first sharpened at a high grinding speed.
  • the bristles are then moved further and further towards the grinding surface, so that an increasingly larger section of the bristle ends can come into contact with the grinding surface.
  • the bristle end is also ground over an increasingly larger axial section.
  • the grinding speed relative speed between the tufts of bristles and the grinding surface
  • the bristle tufts moving further towards the grinding surface and the grinding speed being reduced continuously.
  • the grinding quality is extremely improved, as extensive test series have shown.
  • bristles can now be mechanically ground from materials that were previously not considered to be mechanically sharpenable, for example from nylon or PBT.
  • the tuft holder is preferably moved substantially in the longitudinal direction along the lateral surface during the grinding process.
  • the direction of travel of the tuft holder is in particular not parallel to the axis of rotation of the grinding roller.
  • the distance between the tuft holder and the lateral surface and / or axis of rotation is increasingly reduced during the method.
  • This arrangement of the bristles in relation to the grinding rollers also has a favorable effect on the sharpening of the bristle ends because they are increasingly sharpened over a greater length.
  • all the tufts of bristles of the tuft holder lie within the outer edges delimiting the lateral surface.
  • the tuft holder is preferably brought so close to the surface of the abrasive body that the most distant bristles rest against the abrasive body over their entire rotational path.
  • the smallest distance from the holder in the tuft holder to the grinding surface is in the range from 5 mm to 12 mm. This is to ensure that all bristles come into contact with the grinding wheel and are sharpened.
  • individual bristles it is of course possible for individual bristles to lie on top of one another at times and thus not all of the bristles have continuous contact with the grinding wheel.
  • a grinding device is also provided to achieve the above-mentioned object.
  • This grinder for mechanical Pointing bristles for brushes comprises at least one tuft holder with at least one receptacle for a tuft of bristles and at least one abrasive body with a grinding surface.
  • the tuft holder is designed with a holding unit which, in a closed position, allows the at least one bristle tuft to be clamped at different points on the bristle tuft over its length and in an open position to move the bristle tuft in the non-clamping position of the tuft holder relative to the tuft holder.
  • the grinding body is here a grinding roller with an outer surface designed as a grinding surface, which is preferably circular cylindrical or conical in shape. Furthermore, the tuft holder rotates about an axis of rotation during grinding.
  • the axis of rotation rotates parallel to the longitudinal direction of the clamped tufts of bristles and is at an angle of at least 80 ° to the axis of rotation of the grinding roller, and the ratio of the radius of the grinding roller to the distance of the tufts of bristles furthest from the axis of rotation of the tuft holder from the axis of rotation is between 1 and 4.
  • the tuft holder serves as a tool and later does not form part of the finished brush head.
  • the tuft holder enables the free length of the bristles to be set by its holding unit, which is necessary to achieve a particularly high quality of the bristle tips. Furthermore, the tuft holder allows grinding at both free ends, since the tufts have to be reclamped for this purpose, because their excessive length does not allow the tuft holder to be simply pivoted. Then the free length of the tuft not yet ground would not reach the minimum length free according to the invention.
  • the curved surface of the grinding rollers has an advantageous effect on the quality of the bristle tips.
  • the free length of the bristles from the holder to the free, tapered first end is preferably at least 12 mm and / or more than 40% of the total length of the unpolished bristle tuft. This ensures the necessary free length of the bristles for a high quality of the bristle tips.
  • the tuft holder has a plurality of receptacles for a plurality of tufts of bristles which can be pointed together in this way.
  • the holding unit preferably comprises pressure elements and at least one elastic element arranged between the pressure elements.
  • the elastic element surrounds a receiving opening for the bristle tuft and can reduce the cross section of the receiving opening by compression in order to hold the bristle tuft in the receiving. This structure enables one compact design and simple control of the holding unit.
  • the elastic element can be designed, for example, in the form of an O-ring or as a layer with a plurality of receiving openings. If O-rings are provided, there must of course be an O-ring on each holder.
  • the tuft holder can be rotated by 180 ° in order to sharpen both opposite bristle ends about an axis which is orthogonal to the longitudinal direction of the clamped bristles, in order to sharpen both ends.
  • the tuft holder rotates during grinding about an axis of rotation which is parallel to the longitudinal direction of the clamped bristles and at an angle of at least 80 ° to the axis of rotation of the grinding roller.
  • the bristle ends are favorably pointed by this relative movement.
  • the tuft holder is preferably mounted so as to be movable along the lateral surface essentially in the longitudinal direction.
  • the direction of travel of the tuft holder in particular does not run parallel to the axis of rotation of the grinding roller and / or the distance between the tuft holder and the lateral surface and / or axis of rotation is increasingly reduced during the method.
  • this has the advantage that the proportion of bristles in contact with the abrasive body increases with increasing travel distance and thus the bristles are processed more and more, which in turn has an advantageous effect on the bristles.
  • the ratio (R / r) of the radius of the grinding roller to the distance of the clamped bristle tuft furthest from the axis of rotation of the tuft holder from the axis of rotation is approximately between 1 and 4, in particular 1 to 3.
  • all the tufts of bristles of the tuft holder lie within the outer edges delimiting the lateral surface in plan view. This design ensures that all bristle ends are machined evenly and that they are sharply sharpened after the grinding process.
  • the tufts of bristles 12 are removed from a magazine 16 by a tuft separator 14, via a tuft holder 18 brought into position and pushed into the tuft holder 18 by a slide 20.
  • the bristle tufts 12 clamped in the tuft holder 18 are moved over the grinding body 22 and sharpened on their side that comes into contact with the grinding body 22.
  • the tuft holder 18 is rotated through 180 °.
  • the fourth step is followed by a grinding process analogous to the second step, this time sharpening the opposite bristle ends 24.
  • the bristle tufts 12 which are pointed on both sides, are emptied from the tuft holder 18 into a bristle container 26.
  • Figure 2 is the first step out Figure 1 shown in a perspective view.
  • the bristle tufts 12 with a length of approx. 26 mm to 32 mm (corresponds to the bristle length) and a diameter of approx. 1.5 mm to 3 mm, are removed from a magazine 16 by a tuft separator 14, via a tuft holder 18 in position brought and pushed by a slide 20 in the receptacles 28 of the tuft holder 18.
  • the bristle tufts 12 are arranged such that they have a relatively large free length L at the end to be processed in the following step, measured from the holder, more precisely from the stop of the holder closest to the end to be pointed (see Figure 10b ).
  • an upper limit can also be provided, namely less than or equal to 7, in particular less than or equal to 6.5.
  • the bristle tuft 12 is clamped in such a way that the free length of the end to be machined is at least 12 mm or more than 40% of the total length of the unpolished bristle tuft 12 is based on the holder.
  • the Figures 3 and 4th show the second step out Figure 1 in a perspective view.
  • the bristle tufts 12 held, for example clamped, in the tuft holder 18 are moved over the rotating grinding body 22, which in this embodiment is a grinding roller, on the circular cylindrical or conical lateral surface 30 (grinding surface) of which the grinding process is carried out.
  • the tuft holder 18 additionally rotates about an axis of rotation A, which is parallel to the longitudinal direction of the clamped tufts 12.
  • the tuft holder is along a linear path B, which in plan view is parallel to the axis of rotation X of the grinding roller or coincides with it.
  • the smallest distance a of the holder in the tuft holder 18 from the grinding surface is in the range from 5 mm to 10 mm.
  • the distance between the tuft holder 18 and the grinding body 22 can also be reduced by shaping the grinding body 22 in this way, for example in a conical manner Figure 5 that the distance between the tuft holder 18 and the surface of the grinding body 22 is reduced.
  • the ratio (R / r) of the radius of the grinding roller to the distance of the bristle tuft 12 held most distant to the axis of rotation A of the tuft holder 18 from the axis of rotation A in this embodiment is between 1 and 4, but can also be between 1 and 3.
  • all of the bristle tufts 12 of the tuft holder 18 are additionally located within the linear outer edges 40 of the grinding roller which delimit the lateral surface in plan view.
  • a cone angle ⁇ of the grinding body 22 is also shown.
  • the grinding process begins at the section of the grinding wheel 22 at which the lateral surface has a greater peripheral speed than in the end with the smaller diameter.
  • FIG. 5 shows five tuft holders 18 arranged side by side, which take up numerous tufts of bristles and rotate about their axes A.
  • the distance T3 of the tuft holder 18 from the axis of rotation R is still relatively large, so that only the axial end sections of the bristles are ground.
  • the grinding speed is relatively high because the grinding body 22 rotates quickly at the speed n1.
  • the speed of rotation and the speed of rotation are then reduced in steps or continuously from n2 to n1, and at the same time the distance of the tuft holder 18 from the axis of rotation R is reduced via T1 to T1.
  • the tuft holders 18 are not moved along a path B running transverse to the axis of rotation A, but only rotated and delivered in the direction of its axis of rotation A, which therefore represents the path B.
  • the rollers can of course also be fed in the direction of the tuft holder.
  • Figure 7 shows which different sections of the later finished bristle tip with which speeds and at what distance were generated.
  • Figure 8 shows different courses from speed change to distance change along which the grinding process is carried out.
  • the Figures 4 and 5 already show bristles pointed on one side, which are pointed at the second end.
  • the tufts of bristles are shown symbolically tapering.
  • the tufts of bristles look like the enlarged view in Figure 9 , bottom left, in which the individual bristles themselves are shown pointed.
  • Figure 9 is the third step out Figure 1 shown in a side view.
  • the tuft holder 18 is rotated by 180 ° in order to grind the other bristle ends 24 about an axis which is orthogonal to the longitudinal direction of the clamped bristle tufts 12.
  • the bristle tufts 12 are axially displaced within the tuft holder 18 (see arrow in Figure 9 ), e.g. B. with a slide 20 after the tuft holder 18 from a holding, for example clamping position ( Figure 10b ) in a non-holding, e.g. non-clamping position ( Figure 10a ) was brought.
  • the bristle tufts 12 have a free length L of at least 12 mm or more than 40% of the total length of the unpolished bristle tufts 12 at their not yet pointed end.
  • the ratio L / I of the free length L to the length l of the tapered tip to be produced is greater than or equal to 3, in particular greater than or equal to 4. This means that the corresponding ratio L / I also becomes when grinding the second end of the bristle tuft 12 set so that the two ends have the same tip shapes and tip lengths on their bristles.
  • FIGS. 10a and 10b show a tuft holder 18 with two receptacles 28 and each holding units 32 arranged therein, with the help of which the bristle tufts 12 can be attached over their length at different locations and moving the bristle tuft 12 in the non-clamping position of the tuft holder 18 relative to the tuft holder 18 is possible.
  • Figure 10a shows the open position of the holding unit 32, in which two plate-like pressure elements 34 are in an open, distant position and the elastic elements 36 arranged in between in the form of O-rings are in a non-clamping position.
  • FIG 10b the closed position of the holding unit 32 is shown, in which the two pressure elements 34 are in a closed, approximated position and the elastic elements 36 arranged between them are in a clamping, squeezed position.
  • the receiving openings surrounding the bristle tufts 12 are reduced in cross section by compression of the elastic elements 36 and thus clamp the bristle tufts 12 in the receptacles 28.

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  • Brushes (AREA)

Claims (14)

  1. Procédé d'appointage mécanique de poils pour brosses, en particulier pour brosses à dents, par meulage, comprenant les étapes suivantes :
    a) maintien de touffes de poils (12) dans un support de touffes (18) de sorte que le rapport (L/I) entre la longueur libre (L) de la touffe de poils, mesurée de la fixation à l'extrémité libre à appointer, et la longueur (I) de la pointe conique à produire des poils est supérieure ou égal à 3, et
    b) meulage des extrémités de poils (24) à la première extrémité libre,
    caractérisé en ce que pour le meulage, un ou plusieurs rouleaux de meulage présentant une surface latérale (30) cylindrique circulaire ou conique sur laquelle le processus de meulage est effectué sont utilisés,
    le support de touffes (18) tournant autour d'un axe de rotation (A) pendant le meulage,
    l'axe de rotation (A) étant parallèle au sens longitudinal de la touffe de poils (12) enserrée et étant agencé selon un angle (α) d'au moins 80° par rapport à l'axe de rotation (X) du rouleau de meulage,
    et le rapport (R/r) du rayon du rouleau de meulage (R) à la distance (r) de la touffe de poils (12) maintenue la plus éloignée de l'axe de rotation (A) du support de touffes (18), de l'axe de rotation (A) étant compris entre 1 et 4.
  2. Procédé selon la revendication 1, caractérisé en ce que le rapport (L/I) est supérieur ou égal à 4 et/ou en ce que le rapport (L/I) est inférieur ou égal à 7, en particulier inférieur ou égal à 6,5.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le procédé comprend les étapes supplémentaires suivantes après l'étape b) :
    c) modification de la position de la touffe de poils (12) dans le support de touffes (18) de sorte que le même rapport (L/I) que celui qui a été fixé pour l'appointage de l'extrémité déjà appointée est fixé pour la deuxième extrémité libre pas encore meulée, et
    d) meulage des extrémités de poils (24) à la deuxième extrémité libre.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'à l'étape b), la longueur libre (L) des touffes de poils (12), mesurée de la fixation à la première extrémité libre à appointée, est d'au moins 12 mm et/ou supérieure à 40% de la longueur totale de la touffe de poils (12) non meulée.
  5. Procédé selon la revendication 4, caractérisé en ce que le procédé comprend les étapes supplémentaires suivantes après l'étape b) :
    e) modification de la position de la touffe de poils (12) dans le support de touffes (18) de sorte que la longueur libre (L) de la touffe de poils (12), de la fixation à l'extrémité opposée libre de la touffe de poils (12), est d'au moins 12 mm et/ou supérieure à 40% de la longueur totale de la touffe de poils (12) non meulée ; et
    f) meulage des extrémités de poils (24) à la deuxième extrémité libre.
  6. Procédé selon la revendication 3 ou 5, caractérisé en ce qu'après l'étape b) et avant l'étape d), le support de touffes (18) est tourné de 180° autour d'un axe orthogonal au sens longitudinal de la touffe de poils (12) enserrée.
  7. Procédé, en particulier selon l'une des revendications précédentes, d'appointage mécanique de poils pour brosses, en particulier pour brosses à dents, par meulage de touffes de poils sur une surface de meulage d'un outil rotatif, caractérisé en ce que pendant le processus de meulage, les touffes de poils (12) sont de plus en plus avancées en direction de la surface de meulage côté outil et la vitesse relative entre la surface de meulage et les touffes de poils (12) est de plus en plus réduite.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que le sens de déplacement du support de touffes (18) n'est pas parallèle à l'axe de rotation (X) du rouleau de meulage et/ou en ce que la distance (a) du support de touffes (18) par rapport à la surface latérale (30) est de plus en plus réduite pendant le déplacement.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que pour le meulage, un ou plusieurs rouleaux de meulage présentant une surface latérale (30) sur laquelle le processus de meulage est effectué sont utilisés, et en ce que dans une vue en direction de l'axe de rotation (A) du support de touffes (18), toutes les touffes de poils (12) du support de touffes (18) se trouvent à l'intérieur des bords extérieurs du rouleau de meulage délimitant la surface latérale.
  10. Dispositif de meulage (10) pour l'appointage mécanique de poils pour brosses, en particulier pour brosses à dents, comprenant au moins un support de touffes (18) présentant au moins un logement (28) pour une touffe de poils (12) et au moins un corps de meulage (22) présentant une surface de meulage, le support de touffes (18) étant réalisé avec une unité de maintien (32) qui, dans une position fermée, permet un maintien, en particulier un serrage, de ladite au moins une touffe de poils (12) en différents points de la touffe de poils (12) sur la longueur de celle-ci et, dans une position ouverte, permet un déplacement de la touffe de poils (12) dans une position de non maintien, notamment de non serrage, du support de touffes (18) par rapport au support de touffes (18), caractérisé en ce que le corps de meulage (22) est un rouleau de meulage présentant une surface latérale (30) qui est réalisée sous forme de surface de meulage et qui est de forme circulaire cylindrique ou conique, le support de touffes (18) tournant autour d'un axe de rotation (A) pendant le meulage, l'axe de rotation (A) étant parallèle au sens longitudinal de la touffe de poils (12) enserrée et étant agencé selon un angle (α) d'au moins 80° par rapport à l'axe de rotation (X) du rouleau de meulage, et le rapport (R/r) du rayon du rouleau de meulage (R) à la distance (r) de la touffe de poils (12) maintenue la plus éloignée de l'axe de rotation (A) du support de touffes (18), de l'axe de rotation (A) étant compris entre 1 et 4 .
  11. Dispositif de meulage (10) selon la revendication 10, caractérisé en ce que la longueur libre (L) des touffes de poils (12), de la fixation à la première extrémité libre à appointée, est d'au moins 12 mm et/ou supérieure à 40% de la longueur totale de la touffe de poils (12) non meulée.
  12. Dispositif de meulage (10) selon la revendication 10 ou 11, caractérisé en ce que l'unité de maintien (32) comprend des éléments de pression (34) et au moins un élément élastique (36) agencé entre les éléments de pression (34), l'élément élastique (36) entourant une ouverture de logement pour la touffe de poils (12) et étant apte à réduire la section transversale de l'ouverture de logement par compression de l'élément élastique (36) pour maintenir ou serrer la touffe de poils (12) dans le logement (28).
  13. Dispositif de meulage (10) selon l'une des revendications 10 à 12, caractérisé en ce que le support de touffes (18) est apte à être tourné de 180° autour d'un axe orthogonal au sens longitudinal de la touffe de poils (12) enserrée pour appointer les deux extrémités de poils (24) opposées.
  14. Dispositif de meulage (10) selon l'une des revendications 10 à 13, caractérisé en ce que le support de touffes (18) est monté de manière à pouvoir être déplacé sensiblement dans le sens longitudinal le long de la surface latérale (30).
EP16785450.4A 2015-11-06 2016-10-21 Procédé d'appointissage mécanique de poils et dispositif de meulage Active EP3370571B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2015/5725A BE1023106B1 (de) 2015-11-06 2015-11-06 Verfahren zum mechanischen Anspitzen von Borsten und Schleifvorrichtung
PCT/EP2016/075334 WO2017076660A1 (fr) 2015-11-06 2016-10-21 Procédé d'appointissage mécanique de poils et dispositif de meulage

Publications (2)

Publication Number Publication Date
EP3370571A1 EP3370571A1 (fr) 2018-09-12
EP3370571B1 true EP3370571B1 (fr) 2020-07-15

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EP0346646A2 (fr) * 1988-06-15 1989-12-20 CORONET-Werke Gesellschaft mit beschränkter Haftung Dispositif et procédé pour fabriquer des brosses

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US4037818A (en) * 1975-08-26 1977-07-26 International Telephone And Telegraph Corporation Control valve
DE4006325A1 (de) * 1990-03-01 1991-09-05 Schlerf Coronet Werke Borstenbearbeitung
JPH0975136A (ja) * 1995-09-14 1997-03-25 Akada Hake Kogyo Kk 清掃用ブラシおよびその製造方法
JP2824238B2 (ja) * 1996-07-01 1998-11-11 花王株式会社 ブラシの毛先研削方法及び装置
BE1013968A3 (nl) * 2001-02-13 2003-01-14 Boucherie Nv G B Werkwijze voor het vervaardigen van borstels en inrichting voor het snijden van borstelvezels hierbij aangewend.
DE102006030413B4 (de) * 2006-06-29 2016-05-12 Zahoransky Ag Verfahren und Vorrichtung zum Herstellen von Bürsten
CN204306288U (zh) * 2014-11-06 2015-05-06 桐乡市高桥兴伟制刷机械厂 一种毛刷磨毛机构

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EP0346646A2 (fr) * 1988-06-15 1989-12-20 CORONET-Werke Gesellschaft mit beschränkter Haftung Dispositif et procédé pour fabriquer des brosses

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ES2813554T3 (es) 2021-03-24
JP6853827B2 (ja) 2021-03-31
JP2018532539A (ja) 2018-11-08
CN108430265A (zh) 2018-08-21
KR102598742B1 (ko) 2023-11-03
KR20180081098A (ko) 2018-07-13
WO2017076660A1 (fr) 2017-05-11
TWI698197B (zh) 2020-07-11
EP3370571A1 (fr) 2018-09-12
TW201729722A (zh) 2017-09-01
CN108430265B (zh) 2021-03-23

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