EP3869998B1 - Dispositif et procédé pour la formation de faisceaux de poils, machine de fabrication de brosses, utilisation d'un dispositif pour la formation de faisceaux de poils, brosse, programme informatique ainsi que support lisible par ordinateur - Google Patents

Dispositif et procédé pour la formation de faisceaux de poils, machine de fabrication de brosses, utilisation d'un dispositif pour la formation de faisceaux de poils, brosse, programme informatique ainsi que support lisible par ordinateur Download PDF

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Publication number
EP3869998B1
EP3869998B1 EP19794127.1A EP19794127A EP3869998B1 EP 3869998 B1 EP3869998 B1 EP 3869998B1 EP 19794127 A EP19794127 A EP 19794127A EP 3869998 B1 EP3869998 B1 EP 3869998B1
Authority
EP
European Patent Office
Prior art keywords
bundle
pocket
bristle
bristle bundles
bundles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19794127.1A
Other languages
German (de)
English (en)
Other versions
EP3869998A2 (fr
Inventor
Marc König
Ingo Kumpf
Florian Kiefer
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.)
Zahoransky AG
Original Assignee
Zahoransky AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zahoransky AG filed Critical Zahoransky AG
Priority to EP22189727.5A priority Critical patent/EP4151122A1/fr
Priority claimed from PCT/EP2019/078604 external-priority patent/WO2020083848A2/fr
Publication of EP3869998A2 publication Critical patent/EP3869998A2/fr
Application granted granted Critical
Publication of EP3869998B1 publication Critical patent/EP3869998B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0253—Bristles having a shape which is not a straight line, e.g. curved, "S", hook, loop
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/08—Preparing uniform tufts of bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/08—Parts of brush-making machines
    • 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 device for forming bundles of bristles and a brush manufacturing machine with such a device.
  • a device having the features of the preamble of claim 1 is known from the document DE 10 2016 004 500 A1 previously known.
  • the pamphlet EP 2 420 157 A1 discloses a method for manufacturing anchorless toothbrushes with bristles, in which a bristle bundle with cylindrical bristles and/or pointed bristles is introduced into a receiving recess of a tool of a bristle-covering machine and, by means of a profile pin guided in the receiving recess, onto the end of the bristles of the bristle bundle facing the pin Alignment is applied.
  • the bristles of the bristle bundle are aligned by means of an end face of the profile pin and thereby receive the topography that is complementary to the topography of the end face of the profile pin.
  • the profile pin has a non-continuous surface on the end face acting on the bristles, which forms several levels.
  • Brushes e.g. toothbrushes
  • the brushes offered stand out from each other significantly due to their design.
  • the design can also affect technical aspects of the brushes, which can positively influence the properties of the brushes. Consequently, it is not least the design of the brushes that represents a key purchase criterion from the consumer's point of view.
  • brush manufacturers are increasingly striving to improve the brushes they offer by means of complex designs individualize to make the brushes more attractive to consumers.
  • the object of the invention is therefore to expand the previously available design options for customizing brushes.
  • a device for forming bundles of bristles which has the means and features of the independent claim directed to such a device.
  • a device for shaping bristle bundles of a bristle facing of a brush which comprises at least two bristle bundles, the device having at least one bundle pocket with at least two bundle receptacles formed therein and a heating device with which the bristle bundles introduced into the bundle receptacles can be heated are.
  • the bundle receptacles are bundle-forming and designed to reshape bundles of bristles introduced into the bundle receptacles compared to their shape before insertion into the bundle receptacles under the action of heat emitted by the heating device in order to achieve the shape specified by the bundle receptacles to fix bristle bundles.
  • the bundle pocket has at least two bundle receptacles, which open into a common bundle receptacle section.
  • the bundle pocket can have at least one bundle receptacle which is designed to receive at least two bristle bundles and includes a common bundle receptacle section for at least two bristle bundles. In this way it is possible to create a brush with a set of bristles which has at least two bundles of bristles which are combined in a common bundle section.
  • the heating device can be set up to heat the at least one bundle pocket.
  • the bundle pocket is provided with an insertion opening for a bundle of bristles and with at least one lateral opening. At least one bundle of bristles can be inserted into the bundle pocket through the insertion opening of the bundle pocket.
  • a displacement means of the device for profiling a bundle of bristles introduced into the bundle pocket can be introduced into the bundle pocket through the lateral opening of the bundle pocket.
  • the device is set up by means of the bundle pocket to reshape a bristle bundle inserted into the bundle pocket, starting from an undeformed initial shape, into a desired target shape under the action of heat, which is emitted from the heating device to the bundle pocket and thus also to the bristle bundle located therein .
  • a device for shaping bundles of bristles which allows individualization of bundles of bristles and thus ultimately the design options for individualizing brushes, which are equipped with the formed bundles of bristles, expanded.
  • the device according to the invention also offers the possibility of improving the effectiveness of bristle bundles by impressing them with a technically effective shape. Depending on the application, it is conceivable to bring the bundles of bristles into a wide variety of shapes.
  • bristle bundles whose bristle filaments follow a helix or also bristle bundles which have a first cross-sectional shape at one end and a second cross-sectional shape at their second end, while the cross-section of the bristle bundle changes in the course of the first end fluently changed towards the second end.
  • the shape specified by the bundle pocket is impressed on the bundle of bristles introduced into the bundle pocket of the device.
  • the as yet undeformed bundle of bristles can have, for example, a cylindrical or slightly conical initial shape. If the bundle pocket, in particular a receptacle of the bundle pocket into which the bristle bundle is inserted, has a shape that deviates from this initial shape, the bristle bundle adapts its shape or shape when it is inserted into the bundle pocket to the shape specified by the bundle pocket.
  • the heat of the heating device emitted via the bundle pocket to the at least one bundle of bristles located therein can be fixed in the form specified by the bundle pocket, which the bundle of bristles located in the bundle pocket has assumed.
  • the heat given off by the heating device causes a kind of stress-relief annealing of the bristle bundle held deformed in the bundle pocket.
  • the bristle filaments of the bristle bundle held deformed by and/or in the bundle pocket can be deformed under the effect of heat change their structure accordingly, which ultimately allows the changed shape of the bristle bundle to be fixed.
  • the displacement means can be introduced into the bundle pocket via the side opening of the bundle pocket and thereby between bristle filaments of the at least one bristle bundle located in the bundle pocket. Bristle filaments of the bristle bundle are laterally displaced by the displacement means.
  • the bundle of bristles located in the bundle pocket can be provided with a recess formed within the bundle of bristles.
  • the heat emitted by the heating device has the effect that the recess created by the displacement means within the bundle of bristles is retained after the bundle of bristles has been removed from the bundle pocket. It can be advantageous here to leave the displacement means in its displacement position within the bundle pocket, while the bundle pocket and the bundle of bristles located therein are heated by the heating device.
  • the displacement means can be and/or can be inserted into the bundle pocket transversely or at right angles to a direction of insertion of a bristle bundle.
  • bundles of bristles with a particularly complex design can be produced in this way, which enable a high degree of individualization of brushes equipped with them.
  • the bundle pocket can have two opposing side openings.
  • the two openings can be arranged on the bundle pocket in such a way that a receiving space of the bundle pocket, into which the at least one bundle of bristles can be inserted, lies between the two openings.
  • the displacement means of the device can pass through the receiving space of the bundle pocket through one opening are plugged in and emerge from this through the other breakout of the bundle pocket. This ensures that the displacement means projects completely through the bundle pocket, in particular its receiving space, and thereby creates the desired recess within the bristle bundle by displacing the bristle filaments of a bristle bundle located in the bundle pocket.
  • the at least one break in the bundle pocket can be so large that it creates a recess in the bristle bundle, which is formed on the one hand by a first closed bundle section that lies between the recess and a free end of the bristle bundle, and on the other hand by a second closed bundle section that lies between of the recess and an end of the bristle bundle on the bristle carrier side.
  • the closed bundle section which is arranged adjacent to the free end of the bristle bundle, can, like the closed bundle section, which is arranged adjacent to the end of the bristle bundle on the bristle carrier side, can have a length, for example, which is 5% of the total length of the bristle bundle, measured in the longitudinal direction of the bristle filaments of the bristle bundle.
  • this can mean that a first closed or eruption-free section of the bundle pocket, which is arranged between the opening and the insertion opening of the bundle pocket, and a second closed or eruption-free section of the bundle pocket, which is located between the opening and one of the insertion opening of the bundle pocket is arranged opposite end of the bundle pocket, a length of at least 5% of a total length of the bundle pocket.
  • the at least one opening in the bundle pocket can have a length, measured between the insertion opening of the bundle pocket and an end of the bundle pocket located opposite the insertion opening of the bundle pocket, which is between 10% and 90% or 95%, in particular between 50% and 90% % of the total bundle pocket length measured in the same direction.
  • the device has at least one closing means.
  • the closure means of the device can be set up to at least temporarily close the at least one lateral opening of the at least one bundle pocket.
  • the closure means can effectively prevent bristle filaments of a bristle bundle introduced into the bundle pocket from being accidentally pushed out or getting out of the opening in the bundle pocket.
  • a device for forming bundles of bristles of a bristle trimming of a brush which has the means and features of the independent claim for protection directed to such a device.
  • a device for forming bundles of bristles of a bristle covering of a brush which comprises at least two bundles of bristles, is proposed in particular, which has at least one bundle pocket with at least two bundle receptacles formed therein and a heating device. Bristle bundles introduced into the bundle receptacles can be heated with the heating device.
  • the bundle recordings are bundle-forming and set up to compared to bristle bundles introduced into the bundle recordings their shape before being inserted into the bundle receptacles under the action of heat emitted by the heating device in order to fix the shape of the bristle bundles introduced into the bundle receptacles that is predetermined by the bundle receptacles.
  • the bundle holes can be combined in at least one group, with a group comprising a number of bundle receptacles, which corresponds to a number of bristle bundles of a bristle facing whose bristle bundles are to be shaped with the device. In this way, all the bristle bundles of the bristle facing of a brush can be reshaped in one work step with the device for individualizing the brush.
  • the bundle receptacles are expediently arranged within a group in the same way as the bristle bundles in the bristle facing of the brush to be processed.
  • At least one bundle receptacle of the bundle pocket of the device can have at least two cross-sections which are spaced apart axially with respect to a longitudinal axis of the bundle receptacles and differ from one another in terms of shape and/or size. In this way, a device is created that allows a diverse individualization of brushes.
  • a bundle receptacle of the bundle pocket has an insertion channel, which opens into at least two channels of the bundle receptacles downstream of the insertion channel.
  • bundles of bristles can be formed, which spread apart as they progress.
  • the downstream channels of the bundle receptacles can have longitudinal axes which are at a defined angle to one another, in particular at an acute angle angles are aligned.
  • a bundle of bristles can be formed that has a Y-shape.
  • At least one bundle receptacle of the bundle pocket has a bundle receptacle section that is defined by lateral surfaces of two cones or truncated cones.
  • the longitudinal center axes of the cones or truncated cones can be congruent.
  • the cones or truncated cones can have different radii.
  • a bristle bundle with a cup-shaped bundle section can be produced with such a device.
  • At least one bundle receptacle of the bundle pocket can fan out or spread out, in particular starting from a cross section of the bundle receptacles, preferably cup-shaped and/or conical.
  • the bundle pocket of the device according to the invention has at least two bundle receptacles which open into a common bundle receptacle section.
  • the bundle pocket can additionally or alternatively also have at least one bundle receptacle that is designed to receive at least two bristle bundles and that includes a common bundle receptacle section for at least two bristle bundles.
  • the at least one bundle pocket can have at least have a heat exchange element that promotes heat exchange.
  • the bundle pocket can be brought more quickly by the heating device to the temperature required for shaping the bristle bundle.
  • the at least one heat exchange element of the bundle pocket can accelerate cooling of the bundle pocket and a bristle bundle located therein.
  • a cooling and/or heating fin and/or a cooling and/or heating fin can serve as the heat exchange element.
  • the bundle pocket can have a surface structure that promotes heat exchange.
  • a surface structure that promotes heat exchange.
  • both the at least one bundle gripper and the at least one bundle pocket gripper can be movable between an initial position and a processing position.
  • the at least one bundle pocket gripper and/or the at least one bundle gripper can have a vibrator be assigned.
  • the bundle pocket and/or a bundle of bristles held with the bundle gripper can be made to vibrate with the aid of the at least one vibrator. The vibrations allow the bristle filaments of the at least one bristle bundle to slide more easily into the bundle pocket.
  • the device can have a guide for a bundle gripper, for example for the already mentioned bundle gripper, a guide for the at least one displacement means and/or a guide for the at least one already mentioned closing means of the device.
  • the at least one bund pocket can have a wall with a constant and preferably as thin a wall thickness as possible.
  • An inner contour of the bundle pocket can be matched to an outer contour of the bundle pocket.
  • An outer contour of the bundle pocket can be the same as an inner contour of the bundle pocket.
  • the insertion of bristle bundles into the bundle pocket is made easier if the insertion opening of the at least one bundle pocket is provided with an insertion funnel.
  • the bundle pocket can also form or be a monolithic unit, preferably one that is homogeneous in terms of material. A particularly high level of design freedom with regard to the shape of the bundle pocket can be achieved if the bundle pocket is 3D printed. In this way, the bundle pockets can have particularly complex internal structures. Bundle pockets are conceivable, for example, which have a helical inner structure for accommodating a bundle of bristles and which, due to their shape, can be shaped therein arranged bundles of bristles impress a helical target shape.
  • the at least one bundle pocket of the device can have an outlet opening, which is preferably arranged in or on a side of the bundle pocket opposite the insertion opening of the bundle pocket. Free filament ends of a bristle bundle arranged in the bundle pocket can protrude from this outlet opening and be accessible for post-processing, for example for milling and/or grinding.
  • the device has at least one processing means for processing a bundle of bristles, in particular a milling cutter and/or a grinder.
  • the device can also have a cooling device.
  • the heating device extends over an area that covers a circular ring segment with an angular range of between 180° and 270°.
  • a cooling device of the device can extend over an area that covers a circular ring segment with an angular range between 180° and 90°.
  • the heating device has a heating plate, preferably which extends over an area which has a circular ring segment covers an angular range between 180° and 270°, for example.
  • a cooling device of the device for example the one already mentioned above, can have a cooling plate, preferably which extends over an area that covers a circular ring segment with an angular range, for example between 180° and 90°.
  • This type of heating device and cooling device is particularly suitable for use in a brush manufacturing machine, as will be described in more detail below, and which has a rotary indexing table, by means of which bundle pockets and bristle bundles located therein can be transported between different stations of the brush manufacturing machine.
  • the device has a bundle spreading device.
  • the bundle spreading device is set up to spread adjacent bristle bundles in particular before they are inserted into the bundle pocket, in particular into the bundle receptacles. This can simplify the insertion of the bristle bundles into the bundle pocket. By spreading the bundles of bristles, a distance between two adjacent bundles can be increased.
  • the device can also have a moistening device for moistening and/or steaming the bristle bundles.
  • a moistening device for moistening and/or steaming the bristle bundles.
  • bristle filaments that make up the bristle bundles can be held together.
  • the bundles of bristles can thus assume a more compact shape, at least temporarily. This favors the insertion of the bristle bundles into the bundle pocket, in particular into the bundle receptacles of the bundle pocket.
  • the device can have a control unit, for example the one already mentioned above, which is set up to control the heating device in such a way that the bundles of bristles in the bundle pocket are heated according to defined heat progression curves.
  • the heating device and/or the bundle pocket, here in particular the bundle holders, can be set up to heat the bristle bundles by thermal conduction using mechanical contact, by induction and/or convection, preferably by means of a temperature-controlled fluid, and/or by means of thermal radiation.
  • a cooling device of the device can be set up to cool the bundles of bristles by means of a temperature-controlled fluid, in particular by means of compressed air and/or by means of nitrogen.
  • the cooling device can comprise, for example, a cold air gun, a vortex tube and/or a vortex tube.
  • the bundle pocket can be produced by eroding and/or by 3D printing and/or by milling and/or from thin layers and/or plates that are subsequently connected to one another.
  • the bundle holders of the bundle pocket can have a maximum surface roughness of 6.3 ⁇ m. This can promote the insertion of the bristle bundles into the bundle receptacles.
  • the bundle receptacles can also be ground, in particular flow-ground, and/or polished in the insertion direction of the bristle bundles. This can also reduce resistance when inserting the bristle bundles and promote targeted insertion of the bristle bundles into the bundle receptacles. Furthermore, it is possible for the bundle receptacles to have a surface coating in order to reduce their surface roughness.
  • the device can have a suction device with which a negative pressure can be applied to the bundle pocket, in particular to the bundle receptacles. This can also promote the introduction of the bristle bundles into the bundle pocket, in particular into the bundle receptacles. Due to the negative pressure applied, the bundles of bristles can be sucked into the bundle receptacles of the bundle pockets.
  • the bundle pocket can be perforated, in particular on the side. This can promote heat exchange when the bristle bundles are heated and then cooled via the bundle pocket. Furthermore, the bundle pocket can have at least one flow channel. It is thus possible, for example, to feed a heated and/or a cooled fluid through the bundle pocket for heat input and/or for cooling the bristle bundles.
  • the device can also have a discharge device, via which fluid heated with the heating device, in particular warm air, can be discharged into the environment.
  • a discharge device via which fluid heated with the heating device, in particular warm air, can be discharged into the environment.
  • the device, in particular the heating device is to be operated in circulating air mode, it can be advantageous if the device, in particular the heating device, has a closed system, in particular a circulating air system, in which fluid heated by the heating device, in particular heated air, can circulate.
  • a closed system for example an air circulation system, can help to save energy when heating the bundle pocket and the bristle bundles located therein.
  • the device can have a control unit, for example the previously mentioned control unit and/or a regulating unit.
  • the device can have at least one temperature sensor with which a temperature of the bundle pocket can be determined.
  • at least one temperature sensor with which a temperature of the bundle pocket can be determined.
  • several temperature sensors are provided, with which the temperature of the bundle pocket can be determined at different points.
  • a more precise temperature distribution on and/or at least indirectly also in the bundle pocket can be determined with several temperature sensors.
  • a temperature-controlled fluid is to be used to heat the bristle bundles in the bundle pocket, it can be expedient if the device has at least one temperature sensor on the heating device and/or in or on an inflow channel and/or in or on an outflow channel.
  • All of the previously mentioned temperature sensors can be used by the control unit and/or the control unit of the device when monitoring the heat input into the bundle pocket.
  • a cross-sectional area of a bundle receptacle can be at least 20% larger than a total cross-sectional area of individual bristle filaments that are to be introduced into this bundle receptacle.
  • the bundle receptacle is therefore oversized in relation to the bristle bundles, as a result of which the bristle bundles can be inserted more easily into the bundle receptacle.
  • At least part of the heating device is integrated into the bundle pocket of the device. This can promote efficient heating of bristle bundles located in the bundle pocket.
  • a method for forming bundles of bristles which is not the subject of Invention is and has the following means and features.
  • a method for forming bundles of bristles of a bristle facing of a brush comprising at least two bundles of bristles is proposed, with at least two bundles of bristles being combined in a common bundle section.
  • the bristle bundles can be combined in particular at their free ends in a common bundle section.
  • At least one bundle of bristles can be formed into a desired target shape starting from an undeformed initial shape, with bristle filaments of the bundle of bristles being displaced, preferably laterally, using a displacement means to create a recess in the bundle of bristles.
  • the bundle of bristles is then heated in order to fix the target shape of the bundle of bristles and thus the recess produced in the bundle of bristles.
  • a bristle bundle can be created that is individualized on the one hand because of its changed shape and on the other hand because of the recess created within the bristle bundle, which means that brushes that are equipped with such a bristle bundle have a special appearance.
  • a recess can be produced within the bristle bundle, which is arranged between a first closed bundle section and a second closed bundle section of the bristle bundle.
  • the first closed bundle section of the bristle bundle can adjoin a free end of the bristle bundle.
  • the second closed bundle section of the bristle bundle can adjoin an end of the bristle bundle on the bristle carrier side and/or on the handle side.
  • a recess can be produced in the bundle of bristles, which has a closed, of Bristle filaments of the bristle bundle defined and / or bordered cross-section and / or is defined and limited by bristle filaments of the bristle bundle.
  • the claimed device for forming a bundle of bristles which is described in detail above and claimed in the claims for protection directed to such a device, can be used.
  • At least one of the bristle bundles of the bristle facing of a brush is reshaped in such a way that it has two bundle cross-sections which are axially spaced apart from one another with respect to its longitudinal axis and differ from one another in terms of shape and/or size.
  • At least one bundle of bristles can be given a helical, conical, frustoconical or goblet shape.
  • At least one bundle of bristles can be spread open by the shaping.
  • the bristle bundles are introduced into bundle receptacles of a bundle pocket, in particular a bundle pocket of the device according to one of the claims relating to the device, wherein the bristle bundles are preferably spread and/or steamed and/or moistened before being pushed in .
  • the spreading of the bristle bundles before they are pushed into the bundle receptacles can promote their being pushed into the bundle receptacles.
  • the bundle of bristles can thus be given a more compact shape, at least temporarily, by steaming and/or moistening, which can promote insertion into the bundle receptacles of the bundle pocket.
  • the bristle bundles of the bristle facing are deformed step by step and/or in groups, this can reduce the cycle time and/or increase the quality of the deformation. For example, it is possible to first deform the inner bundles and then to deform the outer bundles. Both can be done, for example, with two bundle pockets and/or bundle receptacles used one after the other.
  • the bristle bundles can be deformed in such a way that they, in particular together with their bristle filaments, represent a logo and/or image in the bristle facing.
  • the bundles of bristles can be heated according to defined heat progression curves, which can favor a reshaping of the bundles of bristles and also their fixation.
  • the bundles of bristles can be heated by means of a heating device integrated into the bundle pocket. Furthermore, it is possible to heat the bristle bundles by means of thermal conduction, induction and/or convection, preferably by means of a temperature-controlled fluid, and/or by means of thermal radiation. In this context, it can be expedient if the device already explained in detail above has a heating device, at least part of which is integrated into the bundle pocket of the device.
  • the bundles of bristles can be cooled using a temperature-controlled fluid, in particular using compressed air, using nitrogen and/or using ambient air.
  • a cold air gun also referred to as a cold gun, a vortex tube and/or a vortex tube can be used to cool the bristle bundles.
  • the bundle receptacles of the bundle pocket can be subjected to negative pressure.
  • the bristle bundles can then be sucked into the bundle receptacles of the bundle pocket by means of negative pressure.
  • the heat input for heating the bundle of bristles can take place via heat-conducting formations, preferably on an outside of the bundle pocket.
  • the previously mentioned at least one heat exchange element of the bundle pocket can be used as heat-conducting formations of the bundle pocket.
  • a heated fluid in particular air
  • a cooled fluid in particular air
  • a fluid for example the previously mentioned fluid, in particular air, for introducing the heat is released into the environment after the bristle bundles have been heated.
  • a fluid for example the previously mentioned fluid, in particular air
  • a heat input for heating the bristle bundles can be monitored by means of a regulating unit or a control unit.
  • a bundle pocket for example the previously mentioned bundle pocket, which is used for shaping the bristle bundles, is heated to a basic heat above the ambient temperature before the bristle bundles are introduced into the bundle pocket.
  • the bristle bundles can also be pulled out of a bundle pocket, for example the previously mentioned bundle pocket used to shape the bristle bundles, before they have reached their final cooling temperature. This allows the cycle times to be reduced when carrying out the method.
  • bristle bundles with bristle filaments made of PE, PBT, PA6.10, PA6.12, PA10.10, PA4.10 and/or a mixture and/or a composite of the materials mentioned can be used.
  • a brush manufacturing machine which has the means and features of the independent claim directed to such a brush manufacturing machine.
  • a brush manufacturing machine is proposed in particular, which has at least one device for forming bundles of bristles according to one of the claims directed to such a device.
  • the brush manufacturing machine can have a rotary indexing table for receiving and transporting bristle bundles Have bundle pockets.
  • the rotary indexing table preferably has four arms which are each offset by 90° to one another.
  • the brush manufacturing machine can also have an input station for the input of bundle pockets equipped with bristle bundles, a bundle profiling station, preferably at which the device for shaping bristle bundles is arranged, and/or a bundle melting station, at which the anchoring or fastening heads of the bristle bundles are melted on Bristle bundles can be generated have.
  • the brush manufacturing machine can be equipped with a removal station for removing bundle pockets and/or at least with a further processing station. All of the aforementioned stations can be distributed on or around the indexing table.
  • bundle pockets equipped with bundles of bristles can be transported in a clocked manner to the individual stations of the brush manufacturing machine and the bundles of bristles located therein can be processed at these stations.
  • the aforementioned object is also achieved through the use of a device for forming bundles of bristles in the manufacture of brushes.
  • a brush with a set of bristles that includes at least two bundles of bristles, with at least two of the bundles of bristles being combined in a common bundle section.
  • the brush can also have at least one bundle of bristles which is provided with at least one recess.
  • the recess in the at least one bristle bundle of the brush can have a closed cross-section defined by bristle filaments of the bristle bundle.
  • the recess in the at least one bundle of bristles of the brush can be arranged between a first closed bundle section and a second closed bundle section of the bristle bundle.
  • the first closed bundle section can adjoin a free end of the bristle bundle.
  • the second closed bundle section can adjoin an end of the bristle bundle on the bristle carrier side or on the handle side.
  • the recess can be delimited on the one hand by the first closed bundle section and on the other hand by the second closed bundle section of the bristle bundle.
  • the recess can ultimately be defined and delimited laterally by bristle filaments of the bristle bundle, which surround the recess, preferably in a closed ring.
  • the recess in the bundle of bristles can also be referred to as a window or cut-out formed within the bundle of bristles.
  • the recess can be laterally surrounded by a closed ring or frame made of bristle filaments of the bristle bundle and thereby delimited.
  • the first closed bundle section can lie between the recess and a free end of the bristle bundle.
  • the second closed bundle section of the bristle bundle can be arranged between the recess and an end of the bristle bundle on the bristle carrier side or on the handle side.
  • a length of the first closed bundle section and/or a length of the second closed bundle section can each be at least 5% of a total length of the bristle bundle measured in the longitudinal direction of the bristle bundle.
  • the at least one bristle bundle of the brush can be connected to a bristle carrier of the brush.
  • the brush can also have a handle which, in one embodiment of the brush, can be connected to the bristle carrier of the brush, in particular in one piece.
  • the at least one bundle of bristles of the brush can be formed by means of a device and/or according to a method as already explained in detail above and claimed in one of the claims directed to such a device or such a method.
  • the bristle facing of the brush can comprise at least one bundle of bristles which has two cross-sections which are spaced apart axially with respect to its longitudinal axis and which differ from one another in terms of shape and/or size.
  • a common bundle section can be formed at the free ends of the bristle bundles combined with one another.
  • the bristle bundles can have a section which borders on the common bundle section and in which they are separated from one another, ie remain recognizable as separate bristle bundles.
  • the bristle facing can have a helical, conical, truncated cone-shaped and/or cup-shaped bundle of bristles.
  • the bristle bundles can have bristle filaments made of PE, PBT, PA6.10, PA6.12, PA10.10, PA4.10 or of a mixture and/or of a composite of the materials mentioned.
  • a computer-readable medium on which this computer program is stored is also disclosed.
  • the computer-readable medium can be a data carrier provided to the end user.
  • the computer-readable medium can also be a data store in a cloud. It is thus possible to keep the computer program in the cloud up to date, to adapt it if necessary and to read it in from there.
  • the computer-readable medium can thus be cloud-based and/or a data store that is held in the cloud and/or is accessible via a cloud.
  • the device and/or the brush manufacturing machine can have a preferably wireless data interface.
  • the device and/or the brush manufacturing machine can use this preferably wireless data interface to set up a data connection to a computer-readable medium on which the computer program is stored, in order to read in the computer program. It is then possible to carry out the method, as described above, preferably automatically and/or autonomously on the brush manufacturing machine and/or on the device.
  • the brush manufacturing machine and/or the device is/are set up, preferably automatically or autonomously, to establish a data connection to a computer-readable medium, in particular to a cloud-based data storage device, which then functions as a computer-readable medium in the sense of the previous statements .
  • a computer-readable medium in particular to a cloud-based data storage device, which then functions as a computer-readable medium in the sense of the previous statements .
  • the communication with the cloud and the cloud-based data storage can take place via a network, for example via the Internet, take place.
  • the Figures 1 to 17 and 19 show at least parts of different embodiments of a device for forming bundles of bristles 2, denoted as a whole by 1.
  • the device 1 comprises at least one bundle pocket 3.
  • the bundle pocket 3 serves to hold at least one bundle of bristles 2.
  • the bundle pocket 3 has at least one bundle receptacle 40 to hold a bundle of bristles 2.
  • the device 1 further comprises a heating device 4, which is shown in FIG figure 14 marked area is shown in a highly schematic manner. The heating device 4 is used to heat the at least one bundle pocket 3 and a bundle of bristles 2 positioned in the bundle pocket 3.
  • a bundle of bristles 2 can be inserted into the bundle pocket 3 through an insertion opening 5 of the bundle pocket 3 .
  • the bundle bag 3 in the Figures 1 to 12 Device 1 shown has two lateral breakouts 6 .
  • a displacement means 7 of the device 1 for profiling a bundle of bristles 2 introduced into the bundle pocket 3 can be introduced into the bundle pocket 3 through the lateral openings 6 .
  • the Figures 6 to 9 illustrate the use of the displacer 7.
  • the device 1 is set up by the bundle pocket 3 to an introduced into the bundle pocket 3 bristle bundle 2 starting from an undeformed initial shape in the Figures 1 to 3 it can be seen, under the action of heat, which is given off by the heating device 4 to the bundle pocket 2 and the bundle of bristles 2 arranged therein, into a deformed, desired target shape.
  • the result of the forming process is a bundle of bristles 2, as is shown, for example, in figure 13 is shown.
  • the two openings 6 of the bundle pocket 3 are opposite one another, so that the displacement means 7 can be pushed through the bundle pocket 3 to create a recess 29 within the bristle bundle 2 (see FIG figures 6 till 9 ).
  • the bundle of bristles 2 is profiled or deformed accordingly and the recess 29 is created, which fits particularly well in figure 13 can be seen.
  • the device 1 has two closure means 8 .
  • the two side openings 6 of the bundle pocket 3 can be temporarily closed with the aid of the two closure means 8 .
  • the Figures 1 and 2 show the two closure means 8 in their initial position.
  • a comparison of Figures 1, 2 and 3 illustrates how the two closure means 8 are moved from their starting position to their closed position on the bundle pocket 3 in order to temporarily close the two lateral openings 6 .
  • the two closure means 8 are designed as profile pins, each having an end face 8a.
  • the end faces 8a are adapted to the cross section of the openings 6 of the bundle pocket 3 so that in the closed position of the closing means 8 on the bundle pocket 3 together with the inner surfaces of the bundle pocket 3 they form an almost offset-free surface. This facilitates the introduction of the bundle of bristles 2 into the bundle pocket 3.
  • the bundle pocket 3 shown in the figures has several heat exchange elements 9.
  • the heat exchange elements 9 promote heat absorption during the heating phase and heat emission during a cooling phase.
  • the heat exchange elements 9 are designed as cooling-heating ribs.
  • the heat exchange elements function as heat-conducting formations on the outside of the bundle pocket 3 shown.
  • the device 1 also has a bundle gripper 10 and a bundle pocket gripper 11 . Both the bundle gripper 10 and the bundle pocket gripper 11 can be moved between an initial position and a processing position.
  • the bundle gripper 10 is used to pick up a bristle bundle 2 from the starting position (cf Figures 1 to 3 ) to move into a processing position and to introduce the bundle of bristles 2 into the bundle pocket 3 .
  • the bundle bag gripper 11 can be used to hold the bundle bag 3 and move it if necessary.
  • a vibrator 12 is assigned to both the bundle gripper 10 and the bundle pocket gripper 11 .
  • the vibrators 12 are used to cause the bundle pocket 3 on the one hand and a bristle bundle 2 on the other hand to vibrate when the bristle bundle 2 is inserted into the bundle pocket 3 . This makes it easier for the bundle of bristles 2 to slide into the bundle pocket 3.
  • figure 2 shows a sectional view of the bundle pocket 3.
  • the sectional view makes it clear that the bundle pocket 3 has a wall 13 with an approximately constant wall thickness.
  • An inner contour of the bundle pocket 3 is matched to an outer contour of the bundle pocket 3 .
  • the sectional view of the bundle pocket 3 according to figure 2 also shows that the insertion opening 5 of the bundle pocket 3 is provided with an insertion funnel 14 .
  • the insertion funnel 14 facilitates the insertion of bristle bundles 2 into the interior of the bundle pocket 3.
  • the bundle pocket 3 of the device 1 shown in the figures is present as a materially homogeneous, monolithic unit that is 3D printed. Bundle pockets 3 with comparatively complex pocket geometries can be produced with the aid of a 3D printing process.
  • the in the Figures 11 and 12 The embodiment shown of a bundle pocket 3 has an outlet opening 15 on its side opposite the insertion opening 5 into the bundle pocket 3 . Free ends 31 of bristle filaments of a bristle bundle 2 inserted into the bundle pocket 3 can protrude from this outlet opening 15 (see FIG 12 ). Although the bristle bundle 2 is then arranged within the bundle pocket 3, the free ends of the bristle filaments are accessible in this way for further processing.
  • the device 1 is equipped with at least one processing means 16 for processing the bristle filaments of a bristle bundle 2 located in the bundle pocket 3 .
  • the processing means 16 shown in a highly schematic manner is a cutter 16 with which the bristle filaments can be trimmed at their free ends 31 .
  • the pictogram shown indicates that the device 1 also has a cooling device 17 in addition to its heating device 4 .
  • the bundle pocket 3 and the bundle of bristles 2 located therein can be actively cooled with the aid of the cooling device 17 . This is with the aim of cooling the bristle bundle 2 as quickly as possible to a temperature required for its further processing after successful reshaping.
  • the device 1 also has a plurality of guides 30, the adjustment paths for the displacement means 7, the closure means 8, the bundle body 10 and the processing means 16 specify.
  • the guides 30 are shown in greatly simplified form as guide slots 30 .
  • FIG 5 now shows the device 1 after the bundle of bristles 2 has been introduced into the bundle pocket 3 .
  • the displacement means 7 here a profiled displacement pin, can be seen.
  • the displacement means 7 is first introduced into the bundle pocket 3 through the first opening 6 .
  • the bristle filaments of the bristle bundle 2 located in the bundle pocket 3 are displaced laterally.
  • the displacement means 7 is pushed further into the bundle pocket 3 until it emerges from the bundle pocket 3 through the second opening 6 (see Fig figure 7 ).
  • the heating device 4 can be deactivated and the cooling device 17 of the device 1 can be switched on in order to actively cool the bundle pocket 3 and the bristle bundle 2 located therein (see FIG figure 9 ).
  • the displacement means 7 is then pulled out of the bundle pocket 3 and the deformed bristle bundle 2 is removed from the bundle pocket 3 .
  • the bundle body 10 is moved back to its starting position along its guide 30 (see figure 10 ).
  • the recess created in the bundle of bristles 2 with the aid of the displacement means 7 is clear here 29 to recognize.
  • the device 1 is set up to the bristle bundle 2 starting from an undeformed initial shape, for example in the Figures 1 to 3 can be seen to transform into a desired target shape.
  • bristle filaments of the bristle bundle 2 are displaced, in particular laterally, to produce the recess 29 with the aid of the displacement means 7 .
  • the bundle of bristles 2 is then heated in order to fix the target shape of the bundle of bristles 2 and thus the recess 29 produced in the bundle of bristles 2 .
  • FIG 13 finally shows a brush 32, the only bundle of bristles 2 with in the Figures 1 to 12 device 1 shown was formed.
  • the recess 29 produced within the bristle bundle 2 during the reshaping of the bristle bundle 2 can be clearly seen.
  • the bundle of bristles 2 is connected to a bristle carrier 33 of the brush 32, which also acts as a handle 34 of the brush 32.
  • the brush 32 can also be referred to as a brush, since it has only one bundle of bristles 2 .
  • FIG. 1 also shows that the bristle bundle 2 has a first closed bundle section 35 and a second closed bundle section 36, between which the recess 29 formed in the bristle bundle 2 is arranged.
  • the first closed bundle section 35 of the bristle bundle 2 lies between the recess 29 and a free end 37 of the bristle bundle 2, on which the free ends 31 of the bristle filaments of the bristle bundle 2 are arranged.
  • the second closed bundle section 36 of the bristle bundle 2 lies between the recess 29 and an end 38 of the bristle bundle 2 on the bristle carrier side or on the handle side.
  • the first closed bundle section 35 and the second closed bundle section 36 of the bristle bundle 2 each have a length that corresponds to at least 5% of the total length of the bristle bundle 2 .
  • the total length of the bristle bundle 2 can be the length of the bristle bundle 2 that can be measured between the bristle carrier 33 and the free end 37 of the bristle bundle 2 .
  • the recess 29 thus forms a section or a window within the bristle bundle 2, which is surrounded laterally by a ring or frame made of bristle filaments of the bristle bundle 2 and is thus delimited.
  • the Figures 15 to 17 and 19 show bundle pockets 3 of a device 1, which are suitable for forming bundles of bristles 2 of a whole bristle facing 39 of a brush 32.
  • a brush 32 namely a toothbrush, the bundle of bristles 2 with the in the Figures 15 to 17 shown bundle pocket 3 was formed, is in figure 18 shown.
  • These bundle pockets 3 have a plurality of bundle receptacles 40 into which the bristle bundles 2 of the bristle facing 39 of the brush 32 are inserted in order to reshape the bristle bundles 2 to individualize the brush 32 .
  • the device 1, with the in the Figures 15 to 17 and 19 Bundle bags 3 shown can be used, also has a heating device 4 .
  • the Figures 15 to 17 and 19 bundle bag shown 3 can be used on a device 1, as in the Figures 1 to 12 is shown.
  • the bundle shots 40 of these bundle pockets 3 are designed to form bundles and set up to reshape the bundles of bristles 2 of the bristle covering 39 introduced into the bundle receptacles 40 in comparison to their shape before being inserted into the bundle receptacles 40 under the action of the heat emitted by the heating device 4 .
  • the purpose of this is to fix the shape of the bundle of bristles 2 introduced into the bundle receptacles 40 , which shape is predetermined by the bundle receptacles 40 .
  • each bundle pocket 3 shown has a group 41 of bundle receptacles 40 .
  • the bundle receptacles 40 of the bundle pocket 3 are arranged like the bristle bundles 2 in the bristle facing 39 in FIG figure 19 shown brush 32.
  • At least two of the bundle receptacles 40 of the bundle pockets 3 each have two cross-sections 42 and 43 which are spaced apart axially with respect to a longitudinal axis of the respective bundle receptacle 40 and differ from one another in terms of shape and/or size.
  • the bundle pocket 3 shown has a bristle carrier receptacle 44 on the back.
  • a bristle carrier 33 of a brush 32, on which the bristle facing 39 of the brush 32 is formed, can be positioned in this bristle carrier receptacle 44 for shaping the bristle bundles 2 of the bristle facing 39.
  • a bundle receptacle 40c of the bundle pocket 3 has a bundle receptacle section 46 which is defined by lateral surfaces of two cones or truncated cones.
  • the longitudinal center axes of the cones or truncated cones are congruent, but the cones or truncated cones point different radii. This results in a cup-shaped bundle receptacle 40c on the bundle pocket 3, which fans out like a cup starting from its insertion section 44.
  • the bundle pocket 3 shown also has five bundle receptacles 40b, the longitudinal center axes of which are helical.
  • the result of the reshaping of bristle bundles 2 with the aid of these helical bundle receptacles 40 are correspondingly helical bristle bundles 2b, as they are on the bristle carrier 33 in FIG figure 18 shown brush 32 can be seen.
  • the last of the seven bundle shots 40 of the bundle pocket 3, which are in the Figures 15 to 17 shown is a frustoconical bundle receptacle 40a with which frustoconical bundles of bristles 2a can be formed.
  • the brush 32 shown is a toothbrush and has a total of seven individual bristle bundles 2, of which five bristle bundles 2b have a longitudinal axis which is wound along a helix, ie can be referred to as helical bristle bundles 2b.
  • One of the seven bundles of bristles 2 is a conical bundle of bristles 2a.
  • Another bunch of bristles 2 of the bristle facing 39 is a goblet-shaped bunch of bristles 2c. When forming the cup-shaped bundle of bristles 2c, this is spread out from its undeformed initial shape towards the cup shape shown in the figures.
  • Multiple bundle receptacles 40 are provided in the bundle pocket 3 shown, which receive two or more bundles of bristles 2 together and combine them in a common bundle receptacle section 50 .
  • These bundle receptacles 40 bring at least two separate bristle bundles 2 together and unite them in the area of their free ends.
  • the bristle bundles 2 are also at their ends 38 on the bristle carrier side in the finished formed bristle facing 39, they can still be seen separately from one another as separate bundles of bristles.
  • At least one of the bristle bundles 2 of the bristle facing 39 of a brush 32 is reshaped in such a way that it has two bundle cross-sections 47 and 48 that are axially spaced apart from one another with respect to its longitudinal axis. These two bundle cross sections 47 and 48 differ from one another in terms of shape and/or size.
  • the bundle recordings 40 in the Figures 15 to 18 bundle pocket 3 shown are equipped with insertion funnels 14 at their insertion openings 5 for the bristle bundles 2 . These insertion funnels 14 facilitate careful insertion of the bristle bundles 2 into the bundle receptacles 40 of the bundle pocket 3.
  • sectional view of the bundle pocket 3 according to figure 17 1 shows that the frustoconical bundle receptacle 40a is provided with outlet openings 15, from which free ends of bristle filaments can emerge and are therefore accessible for further processing.
  • the in the Figures 1 to 12 and 15 to 17 and 19 devices 1, shown at least in parts, for forming Bristle bundles 2 can be attached to a brush manufacturing machine 18, as shown in figure 14 is shown in a highly schematic manner.
  • the brush manufacturing machine 18 shown comprises a rotary indexing table 19 with a total of four arms 20, each offset by 90° to one another.
  • Each of the arms 20 is designed to hold a number of cassettes 21, which in turn can hold a number of bundle pockets 3.
  • the arms 20 are moved from station to station of the brush manufacturing machine 18 in a clocked manner.
  • the cassettes 21 and/or individual bundle pockets 3 can be transported between the arms 21 and the individual stations of the brush manufacturing machine 18 with the aid of handling devices that are not shown in detail.
  • the brush manufacturing machine 18 has different stations at which bristle bundles 2 can be processed or handled.
  • One of the stations of the brush manufacturing machine 18 is an input station 22.
  • bundle pockets 3 equipped with bristle bundles 2 are fed to the arms 20 of the rotary indexing table 19. It should be expressly mentioned that both the bundle bags 3 in the Figures 1 to 12 are shown, as well as the bundle bags 3 in the Figures 15 to 17 19 and 19 may be used on the brush manufacturing machine 18.
  • the brush manufacturing machine 18 has a bundle profiling station 23 .
  • the in the Figures 1 to 12 The device 1 shown for forming bundles of bristles 2 is arranged at the bundle profiling station 23 of the brush manufacturing machine 18 .
  • the brush manufacturing machine 18 has a bundle melting station 24 .
  • the formed bristle bundles 2 are melted on one side to produce fastening heads.
  • the bristle bundles 2 can later be attached to a bristle carrier of a brush with the aid of the attachment heads.
  • a removal station 25 of the brush manufacturing machine 18 is arranged offset 90° to the bundle melting station 24 . With the aid of the removal station 25 , processed bundles of bristles 2 can be fed to a further processing station 26 of the brush manufacturing machine that is arranged downstream of the removal station 25 .
  • FIG 14 shows a heating plate 27 of the heating device 4, which has the shape of a circular ring segment and is highlighted with zigzag hatching.
  • the heating plate 27 in the form of a circular ring segment covers an angular range of 270°.
  • the annular segment-shaped heating plate 27 of the heating device 4 is followed by a comparatively smaller, annular segment-shaped cooling plate 28 of the previously mentioned cooling device 17 of the device 1 .
  • the cooling plate 28 in the form of a segment of a circular ring can cover an angular range of approximately 90°.
  • All of the devices 1 shown can be provided with a bundle spreading device which is adapted to the bristle bundles 2 before insertion into the To spread bundle recordings 40 of the respective bundle pocket 3.
  • All of the devices 1 shown can have a moistening device for moistening and/or steaming the bundles of bristles 2 .
  • All of the devices 1 shown can have a control unit, for example the control unit 54, which is set up to control the heating device 4 in such a way that the bristle bundles 2 in the bundle pocket 3 are heated according to defined heat progression curves.
  • figure 21 shows a time-temperature diagram with such a heat progression curve.
  • a temperature is plotted against a contact surface for bristle bundles 2 within a bundle pocket 3 over time. Accordingly, the bristle bundles 2 are heated to a temperature of approximately 174° C. within approximately 13.5 seconds. For a period of about 12 seconds, the temperature of the contact surface hardly decreases, whereby the bristle bundles 2 are heated.
  • the contact surface then cools down to a temperature of 40° C. within approx. 18 seconds and the thermal forming of the bristle bundles 2 is complete.
  • the bundle pockets 3 shown are set up by their bundle receptacles 40 to heat the bristle bundles 2 by thermal conduction by means of mechanical contact, by induction and/or convection, preferably by means of a temperature-controlled fluid, and/or by means of thermal radiation.
  • the cooling device 17 of the device 1 is set up to cool the bristle bundles 2 by means of a temperature-controlled fluid, in particular by means of compressed air and/or by means of nitrogen.
  • a temperature-controlled fluid in particular by means of compressed air and/or by means of nitrogen.
  • the Cooling device 17 is then equipped, for example, with a cold air gun, with a vortex tube and/or with a vortex tube.
  • the bundle pockets 3 can be produced by eroding and/or by 3D printing and/or by milling and/or from thin layers and/or plates that are subsequently connected to one another.
  • the bundle receptacles 40 have a surface roughness of at most 6.3 ⁇ m. Furthermore, the bundle receptacles 40 are ground in the direction of insertion of the bristle bundles 2, namely flow-ground and polished. If required, they can be given a surface coating to further reduce their surface roughness.
  • the devices 1 shown can be equipped with a suction device with which a negative pressure can be applied to the bundle pockets 3, in particular to the bundle receptacles 40, in order to make it easier to insert the bristle bundles 2.
  • the bundle receptacles 40 of the bundle pockets 3 are subjected to negative pressure, as a result of which the bristle bundles 2 are sucked into bundle receptacles 40 by means of negative pressure.
  • the bundle pockets 3 can be perforated on the side and/or have at least one flow channel 56 in order to accelerate heat exchange via the bundle pockets 3 .
  • a heated fluid, but also a cooled fluid, can be passed through the flow channel 56 in order to temper the respective bundle pocket 3 and the bristle bundle 2 located therein.
  • at least part of the heating device 4 can be integrated into the bundle pockets 3 shown.
  • a discharge device When using heated fluid for tempering in the Bunch pockets 3 located bristle bundles can be provided a discharge device, via the heated with the heater 4 fluid, particularly warm air, can be discharged.
  • the device 1 has a closed system, in particular a circulating air system, in which the fluid heated by the heating device 4, in particular heated air, circulates.
  • the control unit 54 and/or a control unit of the device 1 can be used to monitor a heat input into the bundle pockets 3 .
  • the devices 1 shown in the figures can have one or more temperature sensors with which a temperature of the bundle pockets 3 can be determined.
  • the temperature sensors can be arranged at different positions on the bundle pockets 3 in order to determine the temperatures of the bundle pockets 3 at different points.
  • the devices 1 can also have at least one temperature sensor on their respective heating device 4 and/or in or on an inflow channel and/or in or on an outflow channel through which temperature-controlled fluid is conducted for heat exchange.
  • the bundle receptacles 40 are at least 20% larger than a total cross-sectional area of individual bristle filaments to be inserted into these bundle receptacles 40 .
  • the bristle bundles 2 of the bristle facing 39 can be deformed step by step and/or in groups. In this case, first inner bristle bundles 2 and then outer bristle bundles 2 of the bristle facing 39 can be deformed.
  • the bristle bundles 2 can be spread and/or steamed and/or moistened before being inserted into the bundle receptacles 40 .
  • the bundles of bristles 2 can be deformed in such a way that together they represent a logo and/or image.
  • the control unit 54 and/or the heating device 4 of the device 1 can be set in such a way that the bristle bundles 2 are heated using the heating device 4 according to a defined heat progression curve.
  • the bristle bundles 2 can also be cooled using a temperature-controlled fluid.
  • the bundles of bristles 2 can be cooled in particular by means of compressed air and/or by means of nitrogen and/or by means of ambient air and/or by means of a cold air gun and/or a vortex tube and/or a vortex tube.
  • a heated fluid in particular air
  • flow channels 56 of the bundle pockets 3 can also be used to cool down the bundles of bristles 2 located within the bundle pockets 3 .
  • a cooled fluid, in particular air is then passed through the flow channels 56 of the bundle pocket 3 .
  • the fluid, in particular the air, for introducing the heat can be discharged into the environment after the bristle bundles 2 have been heated and/or guided in a closed system, in particular in a circulating air or circulation system, of the respective device 1 .
  • a heat input into the bundle pockets 3 for heating the bristle bundle 2 can be done by means of the control unit 54 and corresponding temperature sensors 3 are monitored.
  • the bundle pockets 3 are heated to a basic heat above ambient temperature before the bristle bundles 2 are introduced into the bundle receptacles 40 . This helps to reduce cycle times.
  • the bristle bundles 2 can be pulled out of the bundle pockets 3 even before they have reached their final cooling temperature. This can speed up the process.
  • the bristle bundles 2 have bristle filaments that can consist of PE, PBT, PA6.1O, PA6.12, PA1O.1O, PA4.1O and/or a mixture and/or a composite of the materials mentioned.
  • the brush manufacturing machine 18 as well as the device 1 for forming bundles of bristles 2 are used to manufacture brushes 32 .
  • FIG. 1 shows that the brush manufacturing machine 18 can establish a data connection to a computer-readable medium 51 .
  • a computer program is stored on the computer-readable medium 51 and comprises instructions which cause the device 1 and/or the brush manufacture 18 to carry out the method described in detail above.
  • the computer-readable medium 51 is in accordance with FIG figure 14 a data memory 52 in a cloud 53.
  • the brush manufacturing machine 18 has a control unit 54, which is equipped with a preferably wireless data interface 55. Via the data interface 55, the brush manufacturing machine 18 set up a data connection to the cloud 53 via a network, for example the Internet, in order to address the data memory 52 held there and to read out the computer program from it.
  • a network for example the Internet
  • a device 1 for forming bundles of bristles 2 is proposed as an improvement, among other things.
  • the device 1 comprises at least one bundle pocket 3, which is intended for receiving a bundle of bristles 2 to be reshaped.
  • the bundle pocket 3 has at least one opening 6 on the side.
  • a displacement means 7 of the device 1 can be introduced into the bundle pocket 3 through this opening 6 in order to produce a recess 29 within a bristle bundle 2 to be reshaped.
  • the bundle pocket 3 and the bundle of bristles 2 located therein are heated by means of the heating device 4 of the device 1 in order to fix the shape of the bundle of bristles 2 predetermined by the bundle pocket 3 and the displacement means 7 .

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Claims (25)

  1. Dispositif (1) pour la formation de faisceaux de poils (2) d'une garniture de poils (39) d'une brosse (2) qui comprend au moins deux faisceaux de poils (2), lequel dispositif (1) comporte au moins une poche à faisceaux (3) avec au moins deux réceptacles de faisceaux (40) formés à l'intérieur et un dispositif de chauffage (4), caractérisé en ce que le dispositif de chauffage (4) est équipé pour chauffer l'au moins une poche à faisceaux (3) et les faisceaux de poils (2) introduits dans les réceptacles de faisceaux (40), dans lequel les réceptacles de faisceaux (40) forment des faisceaux et sont équipés pour remodeler les faisceaux de poils (2) introduits dans les réceptacles de faisceaux (40) par rapport à leur forme existante avant leur introduction dans les réceptacles de faisceaux (40) sous l'action du dispositif de chauffage (4) sur la poche à faisceaux (3), et donc de la chaleur dégagée sur les faisceaux de poils (2) se trouvant à l'intérieur de celle-ci, afin de fixer le formage des faisceaux de poils (2) introduits dans les réceptacles de faisceaux (40) prédéfini par les réceptacles de faisceaux (40), et dans lequel la poche à faisceaux (3) comporte au moins deux réceptacles de faisceaux (40) qui débouchent dans une section de réceptacles de faisceaux commune (50) et/ou dans lequel la poche à faisceaux (3) comporte au moins un réceptacle de faisceaux (40) qui est équipé pour la réception d'au moins deux faisceaux de poils (2) et comprend une section de réceptacles de faisceaux commune (50) pour au moins deux faisceaux de poils (2).
  2. Dispositif (1) selon la revendication 1, dans lequel les réceptacles de faisceaux (40) sont réunis dans au moins un groupe (41), lequel groupe (41) comprend un certain nombre de réceptacles de faisceaux (40) qui correspond à un nombre de faisceaux de poils (2) d'une garniture de poils (39), dont les faisceaux de poils (2) doivent être déformés avec le dispositif (1), et/ou dans lequel les réceptacles de faisceaux (40) sont agencés à l'intérieur du groupe (41) comme les faisceaux de poils (2) dans la garniture de poils (39).
  3. Dispositif (1) selon la revendication 1 ou 2, dans lequel au moins un réceptacle de faisceaux (40) de la poche à faisceaux (3) présente au moins deux sections transversales (42, 43) espacées entre elles axialement par rapport à l'axe longitudinal du réceptacle de faisceaux (40) qui se différencient entre elles du point de vue de la forme et/ou de la taille.
  4. Dispositif (1) selon une des revendications précédentes, dans lequel l'au moins une poche à faisceaux (3) comporte un élément d'échange thermique (9) favorisant un échange thermique, en particulier une ailette de refroidissement et/ou de chauffage (9) et/ou une lamelle de refroidissement et/ou de chauffage, et/ou est dotée d'une structure superficielle favorisant un échange thermique, en particulier dans lequel la poche à faisceaux (3) présente sur sa face extérieure une rugosité de surface Ra de 1,6 µm à 50 µm.
  5. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte au moins un préhenseur à faisceau (10), de préférence mobile entre une position initiale et une position de traitement, et/ou au moins un préhenseur à poche à faisceaux (11), de préférence mobile entre une position initiale et une position de traitement.
  6. Dispositif (1) selon une des revendications précédentes, dans lequel à l'au moins une poche à faisceaux (3), en particulier à un ou à l'au moins un préhenseur à poche à faisceaux (11) et/ou à un ou au préhenseur à faisceau (10), est associé à chacun un vibreur (12).
  7. Dispositif (1) selon une des revendications précédentes, dans lequel l'au moins une poche à faisceaux (3) présente une paroi (13) avec une épaisseur de paroi constante et/ou dans lequel un contour intérieur de la poche à faisceaux (3) est apparié à un contour extérieur de la poche à faisceaux (3).
  8. Dispositif (1) selon une des revendications précédentes, dans lequel l'ouverture d'introduction (5) est dotée d'un entonnoir d'introduction (14) et/ou dans lequel la poche à faisceaux (3) forme ou est une unité monolithique, de préférence matériellement homogène, en particulier est imprimée en 3D.
  9. Dispositif (1) selon une des revendications précédentes, dans lequel l'au moins une poche à faisceaux (3) présente une ouverture de sortie (15), en particulier qui est disposée dans ou sur une face de la poche à faisceaux (3) opposée à l'ouverture d'introduction (5) de la poche à faisceaux (3).
  10. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte un dispositif de refroidissement (17) pour le refroidissement de l'au moins une poche à faisceaux (3), et/ou lequel dispositif (1) comporte une interface de données (55), de préférence sans fil, grâce à laquelle le dispositif (1) est équipé pour établir une liaison de données avec un support lisible par ordinateur (51) qui est en particulier une mémoire de données (52) dans un cloud (53).
  11. Dispositif (1) selon une des revendications précédentes, dans lequel le dispositif de chauffage (4) du dispositif (1), en particulier une plaque de chauffage (27) du dispositif de chauffage (4), s'étend sur une zone qui couvre un segment de couronne avec une plage angulaire de 180° à 270°, et/ou dans lequel un ou le dispositif de refroidissement (17) du dispositif (1), en particulier une plaque de refroidissement (28) du dispositif de refroidissement (17), s'étend sur une plage qui couvre un segment de couronne avec une plage angulaire de 90° à 180°.
  12. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) est équipé, au moyen de la poche à faisceaux (3), pour former un faisceau de poils (2) introduit dans la poche à faisceaux (3) à partir d'une forme initiale non façonnée dans une forme cible souhaitée sous l'action de la chaleur qui est dégagée par le dispositif de chauffage (4) sur la poche à faisceaux (3).
  13. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte un dispositif d'écartement de faisceaux qui est équipé pour écarter les faisceaux de poils (2) avant leur introduction dans la poche à faisceaux (3), en particulier dans les réceptacles de faisceaux (40).
  14. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte un dispositif d'humidification pour l'humidification et/ou la vaporisation des faisceaux de poils (2).
  15. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte une unité de commande (54) qui est équipée pour contrôler le dispositif de chauffage (4) de sorte que les faisceaux de poils (2) dans la poche à faisceaux (3) soient chauffés conformément à des courbes de chauffage définies.
  16. Dispositif (1) selon une des revendications précédentes, dans lequel le dispositif de chauffage (4) et/ou la poche à faisceaux (3), en particulier dans les réceptacles de faisceaux (40), est/sont équipés pour chauffer les faisceaux de poils (2) par conductivité thermique au moyen d'un contact mécanique, par induction et/ou convection, de préférence au moyen d'un fluide tempéré et/ou par rayonnement thermique.
  17. Dispositif (1) selon une des revendications précédentes, dans lequel un ou le dispositif de refroidissement (17) du dispositif (1) est équipé pour refroidir les faisceaux de poils (2) au moyen d'un fluide tempéré, en particulier d'air comprimé et/ou au moyen d'azote, le dispositif de refroidissement (17) comprenant de préférence un pistolet à air froid, un tuyau à vortex et/ou un tuyau à turbulence.
  18. Dispositif (1) selon une des revendications précédentes, dans lequel la poche à faisceaux (3) est fabriquée par érosion et/ou par impression 3D et/ou par fraisage et/ou à partir de couches et/ou de plaques minces reliées ultérieurement les unes aux autres.
  19. Dispositif (1) selon une des revendications précédentes, dans lequel les réceptacles de faisceaux (40) présentent une rugosité de surface de 6,3 µm maximum et/ou dans lequel les réceptacles de faisceaux (40) sont poncés, en particulier poncés par écoulement, et/ou polis dans le sens d'insertion des faisceaux de poils (2), et/ou dans lequel les réceptacles de faisceaux (40) présentent un revêtement de surface pour réduire leur rugosité de surface.
  20. Dispositif (1) selon une des revendications précédentes, dans lequel la poche à faisceaux (3) est percée, en particulier latéralement, et/ou comporte au moins un canal d'écoulement, et/ou dans lequel au moins une partie du dispositif de chauffage (4) est intégrée dans la poche à faisceaux (3).
  21. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte un dispositif d'évacuation par lequel le fluide chauffé avec le dispositif de chauffage (4), en particulier de l'air chaud, peut être évacué, et/ou lequel dispositif (1), en particulier le dispositif de chauffage (4), comporte un système fermé, en particulier un système de circulation d'air, dans lequel le fluide chauffé dans le système de chauffage (4), en particulier de l'air chauffé, circule.
  22. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte une ou l'unité de commande (24) et/ou une unité de régulation pour la surveillance d'un apport de chaleur dans la poche à faisceaux (3).
  23. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte au moins un capteur de température, en particulier avec lequel une température de la poche à faisceaux (3) peut être déterminée, plusieurs capteurs de température étant de préférence prévus pour déterminer la température de la poche à faisceaux (3) à différents endroits.
  24. Dispositif (1) selon une des revendications précédentes, lequel dispositif (1) comporte au moins un capteur de température sur le dispositif de chauffage (4) et/ou dans ou sur un canal d'admission et/ou dans ou sur un canal d'évacuation.
  25. Machine de fabrication de brosses (18) avec au moins un dispositif (1) pour la formation de faisceaux de poils (2) selon une des revendications précédentes.
EP19794127.1A 2018-10-22 2019-10-21 Dispositif et procédé pour la formation de faisceaux de poils, machine de fabrication de brosses, utilisation d'un dispositif pour la formation de faisceaux de poils, brosse, programme informatique ainsi que support lisible par ordinateur Active EP3869998B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22189727.5A EP4151122A1 (fr) 2018-10-22 2019-10-21 Procédé de formage de faisceaux de poils et brosse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018126202 2018-10-22
PCT/EP2019/078604 WO2020083848A2 (fr) 2018-10-22 2019-10-21 Dispositif et procédé pour la formation de faisceaux de poils, machine de fabrication de brosses, utilisation d'un dispositif pour la formation de faisceaux de poils, brosse, programme informatique ainsi que support lisible par ordinateur

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP22189727.5A Division-Into EP4151122A1 (fr) 2018-10-22 2019-10-21 Procédé de formage de faisceaux de poils et brosse
EP22189727.5A Division EP4151122A1 (fr) 2018-10-22 2019-10-21 Procédé de formage de faisceaux de poils et brosse

Publications (2)

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EP3869998A2 EP3869998A2 (fr) 2021-09-01
EP3869998B1 true EP3869998B1 (fr) 2023-03-08

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP19794128.9A Pending EP3869997A1 (fr) 2018-10-22 2019-10-21 Dispositif et procédé de formation de faisceaux de soies, machine de production de brosses, utilisation d'un dispositif de formation de faisceaux de soies, brosse, programme informatique et support lisible par ordinateur
EP22189727.5A Pending EP4151122A1 (fr) 2018-10-22 2019-10-21 Procédé de formage de faisceaux de poils et brosse
EP19794127.1A Active EP3869998B1 (fr) 2018-10-22 2019-10-21 Dispositif et procédé pour la formation de faisceaux de poils, machine de fabrication de brosses, utilisation d'un dispositif pour la formation de faisceaux de poils, brosse, programme informatique ainsi que support lisible par ordinateur

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP19794128.9A Pending EP3869997A1 (fr) 2018-10-22 2019-10-21 Dispositif et procédé de formation de faisceaux de soies, machine de production de brosses, utilisation d'un dispositif de formation de faisceaux de soies, brosse, programme informatique et support lisible par ordinateur
EP22189727.5A Pending EP4151122A1 (fr) 2018-10-22 2019-10-21 Procédé de formage de faisceaux de poils et brosse

Country Status (5)

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US (2) US20210337962A1 (fr)
EP (3) EP3869997A1 (fr)
CN (2) CN112867416B (fr)
DE (1) DE102019128360A1 (fr)
WO (1) WO2020083849A1 (fr)

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US11553783B2 (en) * 2019-11-08 2023-01-17 Jacob Koby Ohayon Interchangeable broom bristle with releasable agent

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Also Published As

Publication number Publication date
CN112867417B (zh) 2022-11-29
EP3869998A2 (fr) 2021-09-01
EP3869997A1 (fr) 2021-09-01
CN112867417A (zh) 2021-05-28
CN112867416A (zh) 2021-05-28
US20210337962A1 (en) 2021-11-04
CN112867416B (zh) 2022-11-01
US20210353047A1 (en) 2021-11-18
WO2020083849A1 (fr) 2020-04-30
EP4151122A1 (fr) 2023-03-22
DE102019128360A1 (de) 2020-04-23

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