EP0346646B1 - Dispositif et procédé pour fabriquer des brosses - Google Patents

Dispositif et procédé pour fabriquer des brosses Download PDF

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Publication number
EP0346646B1
EP0346646B1 EP89109137A EP89109137A EP0346646B1 EP 0346646 B1 EP0346646 B1 EP 0346646B1 EP 89109137 A EP89109137 A EP 89109137A EP 89109137 A EP89109137 A EP 89109137A EP 0346646 B1 EP0346646 B1 EP 0346646B1
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EP
European Patent Office
Prior art keywords
bristles
bristle
utilization
clamping
clamping device
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.)
Expired - Lifetime
Application number
EP89109137A
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German (de)
English (en)
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EP0346646B2 (fr
EP0346646A2 (fr
EP0346646A3 (fr
Inventor
Georg Weihrauch
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.)
Coronet Werke GmbH
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Coronet Werke GmbH
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Publication date
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Application filed by Coronet Werke GmbH filed Critical Coronet Werke GmbH
Publication of EP0346646A2 publication Critical patent/EP0346646A2/fr
Publication of EP0346646A3 publication Critical patent/EP0346646A3/fr
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Publication of EP0346646B1 publication Critical patent/EP0346646B1/fr
Publication of EP0346646B2 publication Critical patent/EP0346646B2/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • 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
    • 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

Definitions

  • the invention relates to a method for producing bristle goods according to the preamble of claim 1 and a device according to the preamble of claim 9 for performing the method.
  • bristle products particularly those commonly used in personal care, e.g. Toothbrushes, fine hand brushes, cosmetic brushes or the like, and those which serve for the fine application of media, such as brushes or the like, have special requirements for the quality of the bristles and the bristle stocking.
  • the free ends of the bristles on the use side should not have any sharp edges, fissures or the like, since these lead to skin injuries - in the case of toothbrushes in particular to mucous membrane injuries - or to an uneven application.
  • bristles with a sharp-edged and irregular end of use wear out, break out, etc.
  • the rounding of the ends of the bristles on the usage side is generally carried out to date by a type of grinding process on the finished brush (US Pat. No. 2,227,126), the grinding tool and / or the bristles being guided in such a way that all the bristles of a bundle or of an entire bristle stock is recorded and rounded evenly. In the known case, this is done by multi-stage grinding with shape grinding tools of different contours. Likewise, the individual bristle bundles of the entire bristle stock are contoured by means of complex shaping tools and a no less complex guidance of the brush.
  • a round or conical grinding tool is also known for rounding the bristle ends, which moves over the bristle stock in different directions of movement, possibly also with a wobble movement.
  • a uniform rounding of the bristle ends can only be achieved in this way if the bristle ends are aligned exactly in one plane and also all bristles are aligned parallel to one another.
  • the first requirement is attempted to be met by trimming the free-standing ends of the bristles attached to the bristle holder with rotating knives.
  • a parallel position of all bristles cannot be achieved in many cases, because for technical reasons, e.g. V-shaped, bristles are desired. Both circumstances lead to the fact that the bristles do not have rotationally symmetrically shaped ends, but rather flat cuts, bevel cuts or the like.
  • a thermal method is also known for rounding the ends of the bristles on the usage side and for contouring individual bundles or the entire bristle stock (US Pat. No. 2,426,328).
  • the individual bristles are melted and rounded at their ends by touching a heating surface.
  • thickening occurs, which are often undesirable.
  • These thickenings are to be removed by the known method, but again no perfect, spherical bristle end can be obtained.
  • individual bristle bundles are to be contoured in that they are pushed onto appropriately contoured, heated tools.
  • the creation of a defined contour is largely left to chance and, above all, the problem of the formation of thickenings etc. is not solved.
  • the bristle bundle contoured at the end on the use side is then connected to the bristle carrier at the opposite end, which can be done by adhesive bonding (US Pat. No. 764,898) or by thermal melting of the bristle ends (US Pat. No. 2,664,316).
  • adhesive bonding US Pat. No. 764,898
  • thermal melting of the bristle ends US Pat. No. 2,664,316.
  • a largely mechanized process sequence is possible in that the bristle bundle is inserted into a guide channel which is closed at its end by a negative shape corresponding to the desired contour.
  • the bristle bundle, which is tightly guided in the guide channel is pushed into the negative shape with a piston, the effective piston surface of which in turn has the positive shape of the later contouring.
  • the invention is directed to the production of bristle goods in which both the bristles are rounded at their end on the use side and also all bristle ends lie on an envelope surface deviating from a flat plane, which means either the envelope surface of individual bristle bundles and / or the envelope surface of an entire bristle stock .
  • a flat plane which means either the envelope surface of individual bristle bundles and / or the envelope surface of an entire bristle stock .
  • the invention has for its object to enable a perfect rounding of the bristle ends with consistent and reproducible quality and to contour individual bristle bundles or the entire bristle stock, in which the bristle ends are rounded.
  • the object according to the invention is achieved in terms of process technology in that the bristles are clamped with their ends on the use side lying in a plane at a distance from these ends and on their ends on the usage side are rounded off by mechanical or chemical processing, then released from the clamping, then axially displaced relative to one another and finally fastened to the bristle carrier with the opposite ends.
  • the ends of the bristles on the use side are processed in the invention before they are attached to the bristle carrier in order to achieve a rotationally symmetrical design of the bristle ends. This eliminates all quality-reducing influences that result from a previous attachment of the bristles to the bristle carrier due to manufacturing tolerances (bristle length) and bristle position.
  • the bristles which can be processed in the form of short cuts or from the endless strand, are provided in such a way that their ends on the use side are located on a flat envelope surface. In this state, the bristles are clamped at a distance from their end on the use side and then rounded at these ends. This can be done in a conventional manner by grinding, but also by chemical etching processes or the like. Due to the fact that all bristles lie in one plane, the ends on the usage side can be rounded perfectly and evenly.
  • the bristles machined at their ends on the usage side are then released from the clamping and axially displaced relative to one another in order to produce any contour at the ends on the usage side.
  • the bristles are only attached to the bristle carrier after rounding and contouring.
  • the bristle ends lie on a flat envelope surface before processing. This can be achieved that the bristles with these ends are butted on a flat surface, but preferably it is provided that the bristles are cut flat after the clamping at a distance from the clamping to form the ends on the use side and then processed at these ends. This ensures that absolutely identical processing conditions are present for each individual bristle.
  • the bristles can be contoured after they have been released from the clamping, for example by axially displacing them against a negative shape with the desired contour.
  • the bristles can then be attached to the bristle carrier at their opposite ends using one of the known technologies. In this method, the quality of the rounded ends is completely preserved during contouring, so that a contoured bristle trim, possibly also only contoured individual bundles, or a combined contouring of bundles and bristle trim in any shape of the usable area is achieved.
  • all the bristles forming the bristle stock of a bristle article are clamped at a distance from their ends on a plane, use-side ends, their use-side ends are mechanically or chemically processed, then released from the clamping and then countered the negative shape is contoured.
  • the entire bristle fillet can be rounded in one operation and then contoured and then by one of the known methods, for. B. welding, joining, gluing, injection or foaming, attach to the bristle carrier.
  • the bristle product to be produced consists of a plurality of bristles combined into multifilament groups, e.g. B. bundles, strips or packages
  • the groups of bristles are individually or in groups with their ends on the usage side against the negative shape contoured after processing the usage ends and releasing from the clamping.
  • one or more bundles, strips or packets can have a greater length or height within a bristle trim. It is also possible to combine round bristle bundles with narrow bristle strips or with bristle packs within a stock and to contour them differently, so that a multitude of cleaning options are possible and an optimal adaptation to a specific cleaning task is possible.
  • the method according to the invention can be carried out both in the case of so-called short cuts, that is to say bristles, brushes or the like cut to the length of use, and also when processing from the endless strand.
  • short cuts that is to say bristles, brushes or the like cut to the length of use
  • processing from the endless strand In the latter type of processing, the endless strand is fed to the processing station in cycles in accordance with the bristle length to be processed in each cycle.
  • the method according to the invention can be transferred in a particularly advantageous manner in that the bristles are clamped at the leading end of the endless strand, cut off at a distance from this end from the endless strand to form the ends on the use side, mechanically or chemically processed at these ends, after loosening contoured against the negative form against the feed device of the endless strand, clamped at a distance from the opposite ends and cut to form the ends on the fastening side.
  • a short cut is thus formed from the endless strand in the usual way, the leading end forming the fastening-side ends of the bristles or bundles, while the end resulting from the processing station by cutting forms the ends on the usage side. These are then rounded mechanically or chemically and contoured against the negative shape by moving against the feed direction of the endless strand. Because of the contouring, the attachment-side ends are on an envelope surface that deviates from a flat plane, so that the bristles at these ends are advantageously cut back into a common plane in order to then attach them to the bristle carrier in a conventional manner.
  • the procedure is preferably such that the bristles or bristle units are released from the clamping at the fastening-side ends after being cut, are moved with these ends beforehand into a position in which they are fastened to the bristle carrier, and are clamped again.
  • the invention is based on a device according to the preamble of claim 1 (U.S.-A-2,227,126).
  • the holder takes up the bristle carrier with the bristles and the ends of the bristles are guided over grinding tools.
  • a device designed according to the invention is characterized in that a clamping device is provided, by means of which the bristles can be clamped individually or in groups at a distance from their ends on one side on the processing side at the processing point and initially in operative position with the processing device and after releasing the Clamping device and axial displacement of the bristles against each other can be brought into an active position with the fastening device.
  • the clamping device is at a distance assigned a cutting device by means of which the bristles can be cut flat to form the ends on the use side.
  • Another known device which is suitable for contouring the bristles (US-A-2 488 873, 2 664 316) consists of a device which closely guides the bristles in a channel, a device which is displaceable in the channel, on the fastening-side end of the bristles acting piston, a negative shape associated with the guide device, corresponding to the contour of the bristles at their usage ends, into which the bristles are displaced by means of the piston, and a device for fastening the bristles to the bristle carrier after the piston has been withdrawn.
  • This device is adapted to the invention in that after machining and releasing the clamping device, the piston can be moved into the channel in order to move the bristles against the negative shape.
  • each bristle group is assigned a piston with a flat thrust surface, the cross section of which - as well as the cross section of the Guide channel - corresponds to that of the bristle group.
  • the piston can have a correspondingly contoured thrust surface, e.g. similar to a reducing piston. It should also be pointed out that after rounding and contouring, the bristle groups can be attached to the bristle carrier not only in parallel position but also in any angular position. It is always guaranteed that the contour is maintained and that the bristle ends are evenly rounded within each contour.
  • the different protrusion of individual bristles or bristle groups within a bristle stock which is generated by the displacement by means of the pistons, can be achieved either by different piston strokes or by all pistons being seated on a common carrier and correspondingly different in length.
  • the device according to the invention is designed such that, in alignment with the conveying device, the clamping device is arranged with a number of channels corresponding to the number of endless strands that after the leading ends have been introduced of the endless strands in the channels, the clamping device can be closed, and that a cutting device for cutting the bristles from the endless strand and for forming the bristle ends on the user side is arranged in the conveying direction in front of the clamping device, the device for rounding the ends on the user side being movable in front of them and the clamping device. It is particularly advantageous for optimum rounding that the simultaneous cutting of the individually clamped bristle strands in a flat plane achieves an exact flushness of the bristle ends in a flat envelope surface.
  • bristles can be cut from the endless strand in cycles in a single work station and trimmed at their ends on the use side.
  • the individual work steps, such as cutting and dressing and the subsequent work steps can also be carried out on a closed movement path with individual processing stations in order to obtain shorter cycle times.
  • the guide device in the feed direction of the bristles is arranged behind the clamping device and behind this a carrier with the pistons, and that a pushing device acting on the processed bristle ends is arranged in front of the clamping device, by means of which the bristles enter the channels of the guide device can be pushed in until the ends on the use side are flush with the end face of the clamping device near them.
  • the bristles or bristle groups cover the exact paths for their contouring. This is possible, for example, if the negative shape is in front of the end face the clamping device can be moved and then the pistons on the carrier can be moved into the channels of the guide device.
  • a cutting device is arranged on the end face of the clamping device facing away from the negative form, which, after the guide device has moved away, cuts off the ends of the bristles projecting beyond this end face to form the ends on the fastening side. With the cutting device, the ends protruding due to the contouring are trimmed in such a way that the fastening-side ends that arise lie in a flat plane.
  • the cutting device for cutting the bristles to length from the endless strand can simultaneously form the cutting device for cutting off the ends projecting beyond the end face of the clamping device.
  • the cut-off bristles can be displaced by means of the negative form with the clamping device open until they are in a plane plane lying attachment-side ends project beyond the face of the clamping device facing away from the negative shape with a length necessary for its attachment to the bristle holder.
  • the negative form thus also serves as a push element for moving the bristles into a fastening position.
  • the contour previously given to the bristles remains exactly the same.
  • the clamping device can serve for axially securing the bristles during the fastening of the bristles to the bristle carrier, so that it fulfills a diverse function. If the individual work steps take place at different work stations, the clamping device is moved with the bristles and moves from work station to work station. In this way of working, a number of clamping devices corresponding to the number of work stations must then be present.
  • FIG. 1 and Figure 1 the processing of the bristles from the endless strand is shown schematically.
  • three endless strands 1 are shown, which are fed from coils by means of a conveyor.
  • This conveyor device includes two clamping devices 2 arranged one behind the other, which have guide channels 3 for the endless strands 1 and a slide 4 each, which narrows the cross-section of the channels 3 in a diaphragm-like manner and in this way fixes the endless strands 1.
  • the first tensioning device 2 (shown on the right in the drawing) can optionally be moved back and forth in the conveying direction and advance the endless strands 1 cyclically by tensioning and then moving in the conveying direction with the second tensioning device 2 open at the same time.
  • the pulling-off can also be carried out by means of a clamping device 5 arranged behind the second tensioning device 2, which likewise has a slide 6 which acts like an aperture and by means of which the channels 7 provided in the clamping device 5 can be narrowed.
  • a clamping device 5 arranged behind the second tensioning device 2, which likewise has a slide 6 which acts like an aperture and by means of which the channels 7 provided in the clamping device 5 can be narrowed.
  • FIGS. 1 and 1 The last-mentioned embodiment is shown in FIGS. 1 and 1.
  • the slide 6 After insertion of the endless strands 1 into the channels 7 of the clamping device 5, the slide 6 is moved into the closed position, so that the endless strands 1 are clamped at their leading end. Then, as can be seen from the comparison of FIGS. 1 a and 1 b, the clamping device 5 is shifted to the left by approximately the necessary bristle length. A cutting device 8 then moves in front of the front end face 9 of the front tensioning device 2 and separates the individual bundles 10 from the endless strands 1. The ends 11 of the bundles 10 which later serve for fastening terminate approximately with the front end of the clamping device 5, while the ends 12 on the use side are free.
  • a conical grinding tool 13 is inserted in front of the ends 12 on the use side, which grinds over the ends on the use side in a translatory and a rotational movement. If necessary, a movement that is perpendicular to the plane of the drawing or a wobbling movement can also be superimposed.
  • a guide device 14 is inserted in front of the clamping device 5 (FIG. 1 d), which is one of the channels 7 in FIG Clamping device has a corresponding number of aligned guide channels 15. Between the clamping device 5 and the guide device 14, a cutting plate 16 may also be inserted, the task of which will be explained later. By lifting the slide 6, the bristle bundles 10 are released in the clamping device 5.
  • a pushing device 16 in the form of a plate then acts on the ends 12 of the bristle bundles 10 on the usage side, which pushes the bristle bundles 10 into the guide channels 15 of the guiding device 14 until they end flush with the ends 12 on the usage side with the rear end face 17 of the clamping device 5.
  • a negative mold 18 is moved in front of the rear end face 17 of the clamping device 5 (FIG. 1e), which has a blind hole 19 for each bundle of bristles 10, the blind holes 19 with the channels 7 in the clamping device 5 and Channels 15 in the guide device 14 are aligned.
  • the blind holes 19 have different depths. The bottom of the blind holes forms the later contour of the bristle bundle on the finished bristle product.
  • a carrier 20 is arranged with a number of pistons 21 corresponding to the number of guide channels 15, which differ in length in the same way as the blind holes 19 in depth.
  • the carrier 20 with the pistons 21 is moved towards the guide device 14, so that the pistons 21 penetrate into the guide channels 15 and move the bristles 10 therein until they abut the bottom of the blind holes 19, so that the ends 12 on the use side Bristle bundles 10 lie in the desired contour, as shown in FIG. 1f.
  • a spacer plate 23 can additionally be provided, which can be inserted between the clamping device 5 and the negative mold 18.
  • the bristle bundles 10 are moved in the direction of their use-side end 12 when the clamping device 5 is open, in that when the clamping device 5 and the guide device 14 are fixed, the carrier 20 with the pistons 21 and the negative mold 18 are moved synchronously (to the right in FIG. 1). .
  • This has recesses, for. B. slots or the like.
  • the cutting knife 22 is cut to length.
  • FIGS. 2a to 2e a single bristle bundle 25 is shown on the basis of three individual bristles 26 lying in the plane of the drawing.
  • the pre-cut bristles 26 (FIG. 2a), which are combined into a bundle 25, are first clamped and trimmed at their ends 27 by rounding (FIG. 2b).
  • the individual bristles 26 are then contoured by moving them against a negative shape in a guide channel by means of a contoured piston, so that, for example, the middle bristle 26 or a larger number of bristles in the central region of the bundle 25 end 28 towering over other bristles (Figure 2c).
  • the dashed line in FIG. 2c indicates the cut for producing the ends 29 on the fastening side and with 30, 31 the waste of different lengths that occurs when cutting to length.
  • the position of the bristles 26 within the bundle 25 can be fixed in that the bristles 26 are melted to a thickening 32 at their fastening-side end (FIG. 2d).
  • This thickening 29 can then be used in a subsequent work step for fastening within the bristle carrier 33, for example by injecting, foaming or inserting (FIG. 2e).
  • FIG. 3 shows the method according to the invention using a finished bristle article in the form of a toothbrush 34, the back 36 of which is integral with the handle 35 and made of plastic. It has bristle bundles 37 and 38 of different lengths, the ends 39 and 40 of which on the use side lie in a contoured envelope surface and which in turn are contoured.
  • the bristle bundles 37 and 38 can - similar to that described in Figures 2d and 2e - by means of thickenings 41 and 42 in Back 36 of the toothbrush 34 must be anchored.
  • FIG. 4 shows a round brush 43, as is also used, for example, for dental care and is placed on a drive shaft (not shown) by means of an axial bearing 44.
  • the round brush 43 has an outer bristle ring made up of bundles 45 which are convexly contoured at their ends 46 on the use side.
  • the round brush 43 has an inner bristle ring made up of bundles 47 which are concavely contoured at their ends 48 on the use side.

Claims (20)

1. Procédé de fabrication de brosses en matière synthétique à filaments, dont les extrémités utiles sont arrondies et situées dans une forme s'éloignant de la surface du support de brosse et dont les extrémités opposées sont fixées à un support de brosse, caractérisé en ce que les filaments sont maintenus serrés par la partie éloignée de leurs extrémités utiles, celles-ci étant situées dans un même plan, en ce que ces dernières sont arrondies par un procédé mécanique ou chimique, et en ce que les filaments sont ensuite desserrés, puis décalés axialement les uns par rapport aux autres et finalement fixés au support de brosse par leur extrémité opposée.
2. Procédé selon la revendication 1, caractérisé en ce que, après le maintien avec serrage, les filaments sont coupés à plat à distance de leur extrémité enserrée pour la conformation de l'extrémité utile, celle-ci étant ensuite travaillée.
3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce qu'après avoir été arrondis, les filaments sont desserrés et profilés contre un masque par décalage axial et finalement fixés au support de brosse par leur extrémité opposée.
4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'ensemble des filaments composant la garniture de poils d'une brosse sont mis sous tension par les parties éloignées de leurs extrémités utiles, celles-ci étant situées dans un même plan, que ces dernières sont conformées par un procédé mécanique ou chimique, et que les filaments sont ensuite desserrés puis profilés contre un masque.
5. Procédé selon l'une des revendications 1 à 3 pour la fabrication de brosses du type comprenant une pluralité de filaments assemblés en groupes multifilaments, par exemple faisceaux, bandes ou paquets, caractérisé en ce que les groupes de filaments sont profilés contre le masque par leur extrémité utile, individuellement ou en groupe, après conformation de leur extrémité utile et libération du dispositif de serrage.
6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que les filaments sont appliqués contre le masque par un mouvement de pression axiale, extrémités utiles sorties.
7. Procédé selon l'une des revendications 1 à 6, dans lequel les filaments ou groupes de filaments sont conformés à partir d'un cordon continu guidé en avance cadencée, caractérisé en ce que les filaments sont serrés par l'extrémité aval du cordon, coupés à distance de cette extrémité du cordon sous la forme des extrémités utiles, travaillés par un procédé mécanique ou chimique à ces extrémités et profilés, après desserrage, contre le masque dans le sens opposé au sens d'avance du cordon, serrés à distance des extrémités opposées et découpés pour former les extrémités de fixation.
8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que les filaments ou unités de filaments sont libérés du serrage après l'opération de coupe du côté des extrémités de fixation et, par ces extrémités émergentes, décalés dans une position dans laquelle ils sont fixés au support de brosse et resserrés.
9. Installation de fabrication de brosses en matière synthétique formées d'un support de brosse et de filaments qui y sont fixés, les extrémités utiles de ceux-ci étant arrondies et dont le profil est différent de la surface de fixation du support, comprenant une bride pour le maintien des filaments à un poste de conformatian, un dispositif pour arrondir les extrémités utiles agissant sur celles-ci et un dispositif de fixation des extrémités opposées des filaments au support, caractérisée en ce qu'il est prévu un dispositif de serrage (5), au moyen duquel les filaments (10) sont mis sous tension, individuellement ou en groupe, au niveau du poste de conformation, par la partie éloignée de leurs extrémités utiles (12) situées dans un même plan, et ensuite mis en contact actif avec l'installation de conformation (13) et, après libération du dispositif de serrage et décalage axial des filaments l'un par rapport à l'autre, mis en contact actif avec le dispositif de fixation.
10. Installation selon la revendication 9, caractérisée en ce qu'à distance du dispositif de serrage (5) est associé à celui-ci un dispositif de coupe, au moyen duquel les filaments sont coupés en vue de la formation des extrémités utiles.
11. Installation selon l'une quelconque des revendications 9 ou 10, comprenant un dispositif de guidage sans jeu des filaments dans un canal, un piston déplaçable dans le canal, agissant sur l'extrémité de fixation des filaments, et un masque associé au dispositif de guidage, correspondant au profil des filaments à leurs extrémités utiles, dans lequel les filaments sont introduits décalés au moyen du piston, caractérisée en ce qu'après desserrage du dispositif de serrage (5), le piston (21) est introduit dans le canal (15) pour décaler les filaments (10) en contact avec le masque (18).
12. Installation selon la revendication 11, caractérisée en ce que le dispositif de guidage (14) présente plusieurs canaux de guidage (15) correspondant chacun à un groupe (10) de filaments, par exemple faisceaux, bandes ou paquets, en ce que pour chaque canal de guidage (15) est prévu un piston (12) et que les pistons sont de longueur variable en fonction des distances variables salon le décalage des unités de filaments (10) jusqu'au point de contact avec le masque (18).
13. Installation selon l'une des revendications 9 à 12 comprenant un dispositif d'avance guidée selon une cadence donnée des filaments ou groupes de filaments sous forme de cordons continus, caractérisée en ce que le dispositif de serrage (5) comportant un nombre de canaux (7) correspondant au nombre de cordons continus (1) est disposé dans l'alignement du dispositif d'avance, en ce qu'après introduction des extrémités en aval (11) des cordons continus (1) dans les canaux, le dispositif de serrage (5) est verrouillé, et en ce qu'un dispositif de coupe (8) pour la réduction de longueur des filaments (10) du cordon (1) et la conformation des extrémités utiles (12) des filaments est disposé devant le dispositif de serrage (5) dans la direction d'avance.
14. Installation selon l'une des revendications 9 à 13, caractérisée en ce que le dispositif (13) de conformation des extrémités (12) utiles peut être déplacé devant celles-ci et le dispositif de serrage (5).
15. Installation selon l'une des revendications 9 à 14, caractérisée en ce que le dispositif d'avance guidée (14) est disposé dans la direction d'introduction des filaments (10) derrière le dispositif de serrage (5), un support (20) portant les pistons (21) étant disposé derrière ce dispositif (5), et en ce que devant le dispositif de serrage (5) est disposé un dispositif de décalage (16) agissant sur les extrémités de filaments (12) traitées, par lequel les filaments (10) sont introduits dans les canaux (15) du dispositif d'avance (14) jusqu'à ce que les extrémités utiles (12) viennent en contact avec la face frontale (17) proche du dispositif de serrage (5) pour les réunir.
16. Installation selon l'une des revendications 9 à 15, caractérisée en ce que le masque (18) est déplacé devant la face frontale (17) du dispositif de serrage (5) et qu'ensuite les pistons reliés au support (20) sont introduits dans les canaux (15) du dispositif de guidage (14).
17. Installation selon l'une des revendications 9 à 16, caractérisée en ce qu'un dispositif de coupe est disposé à la face frontale du dispositif de serrage (5) opposée au masque (18), dispositif qui coupe les extrémités des filaments (10) en saillie au-delà de cette face frontale, formant ainsi les extrémités de fixation (24), après le retour du dispositif de guidage (14).
18. Installation selon l'une des revendications 9 à 17, caractérisée en ce que le dispositif de coupe (8) pour l'égalisation en longueur des filaments (10) à partir du cordon continu (1) correspond simultanément au dispositif de coupe (22) pour trancher les extrémités dépassant la face frontale du dispositif de serrage (5).
19. Installation selon l'une des revendications 9 à 18, caractérisée en ce que les filaments (10) tranchés sont décalés au moyen du masque (18) dans le dispositif de serrage (5), celui-ci étant desserré, jusqu'à ce que leurs extrémités de fixation (24) disposées dans un même plan dépassent de la face frontale du dispositif de serrage (5) opposée au masque (18) d'une longueur nécessaire à leur fixation sur le support de brosse.
20. Installation selon l'une des revendications 9 à 19, caractérisée en ce que le dispositif de serrage (5) sert à l'immobilisation axiale des filaments lors de leur fixation sur le support de brosse.
EP89109137A 1988-06-15 1989-05-20 Dispositif et procédé pour fabriquer des brosses Expired - Lifetime EP0346646B2 (fr)

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DE3820372A DE3820372C2 (de) 1988-06-15 1988-06-15 Verfahren und Vorrichtung zur Herstellung von Borstenwaren
DE3820372 1988-06-15

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EP0346646A2 EP0346646A2 (fr) 1989-12-20
EP0346646A3 EP0346646A3 (fr) 1991-03-27
EP0346646B1 true EP0346646B1 (fr) 1994-09-21
EP0346646B2 EP0346646B2 (fr) 2002-04-24

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EP (1) EP0346646B2 (fr)
JP (1) JP2771255B2 (fr)
KR (1) KR970000804B1 (fr)
CN (1) CN1045528C (fr)
AR (1) AR245353A1 (fr)
AT (1) ATE111701T1 (fr)
AU (1) AU633489B2 (fr)
BR (1) BR8902894A (fr)
CA (1) CA1328548C (fr)
DD (1) DD284591A5 (fr)
DE (2) DE3820372C2 (fr)
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IE (1) IE64302B1 (fr)
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US4693519A (en) * 1986-02-04 1987-09-15 Tucel Industries Inc. Filament stock box
US4696519A (en) * 1986-03-11 1987-09-29 Tucel Industries Inc. Filament stock box and picking apparatus
DE3673410D1 (de) * 1986-05-28 1990-09-13 Kao Corp Zahnbuerste.
DE3643202C1 (de) * 1986-12-18 1988-03-24 Schlerf Coronet Werke Verfahren zur Herstellung von Borstenwaren
US4776055A (en) * 1987-02-20 1988-10-11 Nelson Stanley E Dental instrument
US4776054A (en) * 1987-03-04 1988-10-11 Samuel Rauch Toothbrush
US4766633A (en) * 1987-05-18 1988-08-30 Clark Quentin S Tooth and sulcus brush
US4802255A (en) * 1987-08-10 1989-02-07 Gillette Canada Inc. Novel brush filaments
US4800608A (en) * 1987-10-05 1989-01-31 Key John R Toothbrush

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU693595B2 (en) * 1990-06-19 1998-07-02 Procter & Gamble Company, The Tootbrush exhibiting three-dimensional bristle profile and end rounded bristles for improved interproximal cleaning without increasing gum irritation
WO1991019437A1 (fr) * 1990-06-19 1991-12-26 The Procter & Gamble Company Brosse a dents comportant des soies a profil tridimensionnel et a bouts arrondis permettant un nettoyage interdentaire ameliore sans augmenter l'irritation des gencives
EP0568055A1 (fr) * 1992-04-28 1993-11-03 G.B. Boucherie, N.V. Procédé pour fabriquer des brosses à dents
EP0567672A1 (fr) * 1992-04-28 1993-11-03 G.B. Boucherie, N.V. Procédé pour fabriquer des brosses à dents
WO1993021796A1 (fr) * 1992-04-28 1993-11-11 G.B. Boucherie N.V. Procede de production de brosses a dents
AU659943B2 (en) * 1992-04-28 1995-06-01 G.B. Boucherie N.V. Method of producing toothbrushes
US6199242B1 (en) * 1995-02-01 2001-03-13 Gillette Canada Company Tooth polishing brush
US5722106A (en) * 1995-02-01 1998-03-03 Gillette Canada Inc. Tooth polishing brush
US6220672B1 (en) 1996-04-23 2001-04-24 Coronet-Werke Gmbh Method for the production of bristle goods
AU710801B2 (en) * 1996-04-23 1999-09-30 Coronet-Werke Gmbh Method for the manufacture of brushes
AU744909B2 (en) * 1997-08-12 2002-03-07 G.B. Boucherie N.V. A method of endrounding loose fibres
WO1999007255A1 (fr) 1997-08-12 1999-02-18 G.B. Boucherie N.V. Procede d'arrondissage d'extremites de fibres laches
US6372163B1 (en) * 1997-08-12 2002-04-16 G. B. Boucherie N. V. Method of endrounding loose fibers
WO1999011156A1 (fr) 1997-09-02 1999-03-11 F.A. Rueb Holding Gmbh Procede et dispositif de production de zones de filaments et les zones de filaments ainsi produites
CN108430265A (zh) * 2015-11-06 2018-08-21 Gb保捷利公众有限公司 用于机械地削尖刷毛的方法和磨削设备
TWI698197B (zh) * 2015-11-06 2020-07-11 比利時商Ｇｂ保捷利股份有限公司 用於機械式地削尖刷毛的方法及磨削設備

Also Published As

Publication number Publication date
EP0346646B2 (fr) 2002-04-24
FI90390B (fi) 1993-10-29
JPH02111305A (ja) 1990-04-24
CN1038580A (zh) 1990-01-10
DD284591A5 (de) 1990-11-21
FI892944A0 (fi) 1989-06-15
NO179502C (no) 1996-10-23
UA7837A1 (uk) 1995-12-26
BR8902894A (pt) 1990-02-01
DK292189A (da) 1989-12-16
CA1328548C (fr) 1994-04-19
ES2060694T5 (es) 2002-12-01
NO892473L (no) 1989-12-18
AU3646889A (en) 1989-12-21
KR970000804B1 (en) 1997-01-20
NO892473D0 (no) 1989-06-14
IE891924L (en) 1989-12-15
AR245353A1 (es) 1994-01-31
DE3820372A1 (de) 1989-12-21
MX170137B (es) 1993-08-09
DK292189D0 (da) 1989-06-14
FI892944A (fi) 1989-12-16
EP0346646A2 (fr) 1989-12-20
DE58908382D1 (de) 1994-10-27
FI90390C (fi) 1994-02-10
NZ229553A (en) 1992-11-25
NO179502B (no) 1996-07-15
ES2060694T3 (es) 1994-12-01
DK172097B1 (da) 1997-10-27
IE64302B1 (en) 1995-07-26
CN1045528C (zh) 1999-10-13
DE3820372C2 (de) 1997-07-24
MY104447A (en) 1994-03-31
AU633489B2 (en) 1993-02-04
SU1724003A3 (ru) 1992-03-30
JP2771255B2 (ja) 1998-07-02
HK1007477A1 (en) 1999-04-16
EP0346646A3 (fr) 1991-03-27
US4979782A (en) 1990-12-25
ATE111701T1 (de) 1994-10-15

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