EP3267835A1 - Dispositif d'alimentation d'une cassette de filaments de poils en charges de filaments de poils - Google Patents

Dispositif d'alimentation d'une cassette de filaments de poils en charges de filaments de poils

Info

Publication number
EP3267835A1
EP3267835A1 EP16715846.8A EP16715846A EP3267835A1 EP 3267835 A1 EP3267835 A1 EP 3267835A1 EP 16715846 A EP16715846 A EP 16715846A EP 3267835 A1 EP3267835 A1 EP 3267835A1
Authority
EP
European Patent Office
Prior art keywords
bristle
bristle filament
filament
batch
charge
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.)
Granted
Application number
EP16715846.8A
Other languages
German (de)
English (en)
Other versions
EP3267835B1 (fr
Inventor
Küros Schiffer
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.)
M&C Schiffer GmbH
Original Assignee
M&C Schiffer GmbH
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 M&C Schiffer GmbH filed Critical M&C Schiffer GmbH
Publication of EP3267835A1 publication Critical patent/EP3267835A1/fr
Application granted granted Critical
Publication of EP3267835B1 publication Critical patent/EP3267835B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/08—Parts of brush-making machines
    • A46D3/082—Magazines for bristles; Feeding bristles to magazines; Knot picking
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • Feeding device for feeding bristle filament batches to a
  • the present invention relates to a feeding device for supplying bristle filament batches to a bristle filament cassette with the preamble features of claim 1.
  • a generic feeding device is known, for example, from EP 0 184 866 A1.
  • EP 0 184 866 A1 describes a bristle device for brushes with a vertical magazine, in which prefabricated bundles of bristle filaments are held. Each bristle filament batch is enclosed by a paper band and thus held together as a kind of prefabricated bundle. These so prefabricated bristle filament batches are stacked in the vertical direction between two vertically extending and side by side parallel extending walls of a vertical magazine, so that the individual bristle filaments each have a bristle orientation in the horizontal direction in the bristle filament batches held together by the paper banderoles.
  • the vertical magazine has an opening on the underside, from which the bristle filament batches held together by the banderole can be dispensed individually.
  • a blade In a receiving space, on the bottom of a blade is arranged to fall the individual prefabricated bristle charges, the blade cuts the corresponding paper band, so that the bristle filaments are also held aligned in the horizontal direction in this receiving space.
  • a gripper comprises the bristle filaments of the charge located in the receiving space, takes them out of the receiving space and transfers them into a bristle filament cassette.
  • the bristles held by the gripper are rotated together with the gripper by 90 °, so that they are vertically aligned (in the vertical direction) of the bristle filament cassette supplied. There, the bristle filaments are pushed in an opening provided on the back of the bristle filament cassette.
  • bristle filament cassette can then be removed or separated individual bristle bundles and attached to a brush body.
  • An apparatus for separating individual bristle bundles from such a bristle filament cassette is known, for example, from DE 197 34 615 A1.
  • bristle filament charges such as e.g. a larger composite of bristle filaments held in a reusable, circumferentially closed batch holder.
  • a magazine may preferably be seen in which the bristle filament batches taken in the batch holder are vertically held one above the other, with the individual bristle filaments of each batch having a horizontal orientation.
  • the above-described vertical magazine known from EP 0 184 866 A1 is made by this reference to the disclosure of the present application and forms an example of a vertical magazine.
  • the present invention preferably means the container for intermediate storage of bristle filaments, from which bristle filaments forming a predetermined number of individual bristle bundles are divided, which are subsequently fixed directly or indirectly in or on a brush body.
  • the batch holder may be formed by a frame open on both sides in the horizontal direction, which is designed such that essentially the entire bristle filament batch can be introduced into this frame on one side and can be brought out of this frame on the opposite side.
  • such a frame preferably has, on opposite sides, in each case an opening and an inner peripheral surface which leads out of it without offset, so that the bristle filament charge is exerted as soon as pressure is exerted on the corresponding bristle ends of the charge, ie on the charge boundary surface, from the side of the one opening. the entire bristle filament charge is squeezed out of this frame without leaving substantial amounts of bristle filaments in the batch holder.
  • the frame can be held in a holding device and, for example, by means of compressed air supply to this previously designated opening, essentially squeezes out the complete bristle filament charge from this frame and subsequently removes it.
  • the bristle filament cassette are fed directly or indirectly.
  • the frame can be formed by a ring.
  • a ring has essentially a round or slightly oval configuration.
  • the individual bristle filaments in the bristle filament batches are held very uniformly within the batch holder and can not get stuck in corners during a later transfer.
  • annular configuration of the batch holders requires that they be damaged by acting forces during storage, transport and / or return after the bristle filament batches are ejected, not as easily as if they were formed angular.
  • the frame may have a thickness which substantially corresponds to a length of the filaments contained in the bristle filament charge.
  • the frame may be formed substantially only by a wall whose extension in the vertical direction corresponds to the length of the bristle filaments of the filaments contained in the bristle filament charge, that is, substantially the thickness (in vertical orientation) of the bristle filament charge.
  • the respective ends of the bristle filaments are provided substantially immediately at the height of the openings bounding the frame in the vertical direction.
  • the end surfaces of the charge formed by the respective ends of the prefabricated bristle bundles of the charge thus terminate flush with the thickness limiting edges of the charge holder. In this way, the most compact possible arrangement is provided. Also, the removal of the bristles from the batch holder is facilitated.
  • the frame may have a substantially uniform wall thickness in its circumferential direction.
  • the wall thickness in the circumferential direction is substantially the same, a simple process procedure for producing the corresponding batch holder can be achieved.
  • a uniform wall thickness in the circumferential direction does not exclude that the wall thickness is different in the thickness direction on the frame or within the frame.
  • this wall thickness should be the same except for retaining flanges on the frame but also in the thickness direction.
  • the frame may be an injection molded part.
  • an injection molded part is to be understood as a plastic injection molded part made of a thermoplastic material. Accordingly, this injection-molded part can be produced easily and thus offers a uniform batch holder.
  • the entire batch holder is therefore preferably designed as a unitary injection-molded part and has such a configuration that, when the bristle filament charge is removed from this batch holder, it has a certain dimensional stability, so that it does not substantially change its shape.
  • the frame may comprise an alignment-type identification means, via which the frame can be aligned in the vertical magazine so that the filaments of the bristle filament charge disposed therein are always positioned in a predetermined orientation with respect to the bristle filament cassette in the vertical magazine.
  • Such an orientation identification means can prevent the batch-prefiltered bristle filaments from being introduced into the vertical magazine in an orientation other than that required for bristling.
  • this orientation identification means which end of the filaments, for example, the utilization-side end or the attachment-side end, forms the respective end surface on both sides or horizontal openings of the frame.
  • the alignment identification means can be formed by a flange which externally surrounds at least one of the two horizontal openings of the frame.
  • Such a flange is in particular a type of thickening, which is for example, during the injection molding of the frame integrally attached thereto.
  • This flange may serve as a type of guide element which guides the batch holder along the walls of the vertical magazine and / or also during the supply from the vertical magazine to the bristle filament cassette.
  • This guide can be ensured in particular by interaction of the flange with a groove on the walls of the vertical magazine. In order to ensure a predetermined positioning of the frame always with the respective predetermined bristle orientation, therefore, this flange is provided.
  • the flange may additionally or alternatively also serve as a holding means, on which a gripper acts to bring the batch holder from one position to the other position.
  • the flange and the ring are preferably rotationally symmetrical.
  • the inner wall of the frame can hold the bristle filament charge under tension. Specifically, thereafter, the bristle filament charge under tension is pressed into the charge holder, for example, through one of the openings bounding the frame in the thickness direction, so that this bristle filament charge can not be forced out of the charge holder without exerting a pressure on the respective boundary surfaces of the bristle filament charge ,
  • the present invention provides a bristle device having the features of claim 10.
  • This bristle device may comprise at least the aforementioned feeder, a bristle filament cassette, and a transfer means provided between the bristle filament cassette and the feeder.
  • the transfer agent is usually designed such that the bristle filament batches are fed to the bristle filament cassette while maintaining the horizontal bristle filament axis orientation. This can be prevented in particular that individual bristle filaments are pushed out during the transfer to the bristle filament cassette from the composite.
  • the bristles are thus kept arranged in the horizontal direction.
  • bristle bundle compartment device described in DE 100 623 98 A1 or in EP 1 522 234 A2 is made the disclosure content of the present application by this reference and forms an example of a bristle bundle compartment device.
  • the bristle filament cassette should preferably be seen as a receiving space for bristle filaments from which bristle bundles are immediately removed in the appropriate required amount, as they are later used as a bundle on the brush head, and then fed directly or indirectly to the brush head to be in this to be attached.
  • such a transfer means may be a type of slide on which the batch holders with the prefabricated bristle filament batches are guided from the vertical magazine to a filling opening of the bristle filament cassettes before the corresponding bristle filament batch is removed from the batch holder there, in particular directly in front of the filling opening, and the Bristle filament cassette, eg is supplied by a slider.
  • Any transfer agent that transfers a bristle filament charge with or without the batch holder from the vertical magazine to the bristle filament cassette in one or more steps may be considered as such a transfer agent, but preferably Bristle Filamentchargen with batch holder transferred to the filling opening of the bristle filament cassette.
  • the transfer means may be assigned an ejection device which ejects the bristle filament charge from the charge holder by means of compressed air and which supplies the bristle filament cassette.
  • the batch holder are brought with the bristle filament charge contained in these from the vertical magazine in the vicinity of the bristle filament cassette and are pushed out there by means of compressed air from the batch holder.
  • the transfer means may be assigned a batch retainer which transfers the emptied batch holder to a collection point.
  • the reusable batch holder after the reusable batch holder is emptied, it should preferably be re-collected and the batch holders thus collected returned to a station where they are loaded with respective bristle filament batches.
  • the batch holder recirculation device can be formed by the transfer means itself or by a separate device, such as a separate gripper or a separate channel structure, through which the emptied batch holders are brought to a collection point.
  • the severed bristle bundle can be supplied to the brush head while maintaining the bristle filament orientation.
  • the horizontal alignment of the filaments of the individual bristle filament batches e is maintained by the introduction of individual bristle filament batches in the vertical magazine to the attachment of the bristle bundles in or on the brush head.
  • the above-described feed device according to the invention as well as the above-described bristling device can be used in this method.
  • this method is used to equip a toothbrush with corresponding bristle bundles.
  • the bristle filaments held in the batch holder are horizontally aligned in the bor- row element batches in the vertical tray, and the reusable batch holder described above is used.
  • the horizontal alignment of the bristle filaments in the individual batches in the vertical magazine in combination with the reusable batch holder provides a more ecological waste prevention procedure whereby the bristle filaments in the individual bristle filament batches are not so easily extruded from their composite.
  • the bristle filament charge may retain its bristle filament axis orientation during transfer.
  • This feature may instead form the reusable batch holder in the characterizing part of claim 14 also form an inventive embodiment of the method.
  • bristle bundles can be separated from the bristle filament cassette and fed to a brush head to which they are attached, wherein the bristle bundles retain their bristle filament axis orientation during removal from the bristle filament cassette and the supply to the brush head.
  • the bristle filament axis alignment can be maintained from the supply of the bristle filament charges held in the batch holder to the vertical magazine until the supply to the brush head.
  • the bristle filament batches held in the batch holder can be ejected from the batch holder by means of compressed air and supplied to the bristle filament cassette.
  • a stream of compressed air may act on an open side of the batch holder and substantially transfer the entire bristle filament batch in a unit on the other side out of the batch holder.
  • the emptied batch holder can be transferred to a collection point.
  • this method reference is made to the device claim 12 discussed above.
  • the reusable batch holder described in claim 1 alone can describe the invention without the need for the vertical magazine.
  • the present invention also provides a bristle filament charge bundled in a circumferentially closed batch holder, the batch holder being a reusable batch holder.
  • FIG. 1 shows examples of bristle filament batches held in a reusable, circumferentially closed batch holder
  • Figure 2 is a cross-sectional view of the batch holder according to the invention with two different examples of held in these bristle filament types and
  • Figure 3 is a schematic view of a bristle device for brushes.
  • FIG. 1 shows two batch holders 1, each containing a batch of prefabricated bristle filaments, that is to say a bristle filament batch 2.
  • its thickness d corresponds essentially to the length of a longitudinal extent of the bristle filaments combined in the bristle filament charge 2 and the thickness or height h of the bristle filament charge 2.
  • the individual bristle filament batches 2 held in the batch holder 1 are sorted vertically above one another in a vertical magazine 200 (see FIG. 3), so that the orientation of the bristle filaments in the bristle filament batch 2 is the horizontal direction.
  • the lower right batch holder 1 lies in such a way that the bristle filaments not to be recognized in detail are aligned in the bristle filament batch in the vertical direction.
  • the batch holder 1 has a frame open on both sides, whose openings 3, 3 'delimit these on both sides.
  • the openings 3, 3 'of the frame are provided opposite to each other in the batch holder in a direction called a thickness direction.
  • This thickness direction is also referred to as horizontal direction, since the batch holder 1 is held upright in the vertical magazine 200.
  • the batch holder 1 has at the opening 3 'a peripheral flange 4 projecting from the outer wall, by means of which the batch holder is guided, for example, along vertical walls 200 in the vertical magazine 200 explained later.
  • the batch holder may have a diameter D of between 20 to 60 mm. Other preferred diameters are 30, 40, 50 mm. The aforementioned values can each form upper and lower limits of a diameter range.
  • the thickness of the batch holder can be between 10 and 30 mm. In particular, the following thicknesses are advantageous 15, 25 mm. These values can also form upper and lower limits of the thickness range for each. All filaments of a bristle filament batch preferably have the same length.
  • the bristle filament charge 1 has two planar end surfaces in which lie the respective ends of the bristle filaments.
  • the individual bristle filaments 6, 6 ' can be sharpened on one side or rounded off on one side and be provided in particular under crimping pressure within the batch holder 1.
  • the diameter of the filaments between 0.05 and 0.3 mm is preferably 0.1, 0.15, 0.2, 0.25 mm. These values can also form upper and lower limits.
  • the charge holder has, as it is clear from Fig. 1 in conjunction with Fig. 2, in particular a uniform circumferential wall thickness.
  • the batch holder as in the present example in the manner of a frame, in particular a ring may be formed and made by injection molding of plastic.
  • the batch holder 1 In contrast to the non-reusable paper band, the batch holder 1 has a certain structural rigidity.
  • Such a batch holder 1 is, for example, as shown in Fig. 3, introduced from above into a guide between two vertical walls 201 of the vertical magazine 200.
  • five vertical walls 201 oriented vertically in the vertical direction form four vertical magazines 200 or a plurality of vertical magazines.
  • each vertical magazine 200 the bristle filament batches 2 prefabricated in the batch holders 1 are introduced one after the other in the vertical direction.
  • the vertical magazines 200 each have a threading opening on the upper side, so that the batch holders 1 can be introduced between the corresponding vertical walls 201.
  • the threading openings are, for example, immediately adjacent to trays, not shown in the figure. On such trays is supplied a plurality of batch holders with the bristle filament batches contained therein. Individually, the batch holders are then introduced into the vertical magazine, for example.
  • any other configuration can be provided, so that the corresponding batch holders are each held edgewise in the vertical magazine, so that the bristle filaments in the bristle filament charge 2 are aligned horizontally.
  • each with its own feed opening 202 for example, different types of prefabricated bristle filament batches with pointed, non-sharpened, differently long, differently thick, differently colored bristles can be provided.
  • a transfer device 203 shown schematically as a box in FIG. 3 can transfer the individual batch holders 1 with the bristle filament batches 2 contained therein from the vertical magazine 2 into the vicinity of an associated bristle filament cassette 204 or its filling opening 206.
  • each vertical magazine 200 For this purpose, for example, at the corresponding outlet opening of each vertical magazine 200, the batch holders 1 are released one after the other and, as shown in the embodiment of FIG. 3, taken out of the vertical magazine 200 and while maintaining an orientation in which the bristle filaments are aligned in the horizontal position are brought near the bristle filament cassette 204.
  • the transfer device 203 may be a movable gripper that grips each batch holder individually and / or a type of chute in which walls are arranged such that the individual batch holders are transferred by gravity on a predetermined path and / or by a ducting system, for example be formed in the manner of a pneumatic tube, in which the batch holders are transferred in particular by means of suction / compressed air.
  • the bristle filament charge received in the batch holder 1 is ejected by an ejector 207 so that the bristle filament charge passes through the opening of the batch holder is ejected and the thus emptied batch holder is returned by means of a also shown schematically in Fig. 3 as a box batch holder return device 208 in a collecting container 209.
  • the ejector 207 preferably operates on the compressed air principle, so that compressed air is applied to one side of the batch holder or the bristle filament charge and the bristle filament charge is discharged on the other side of the batch holder 1, in a receiving space associated with the filling opening 206 of the bristle filament cassette 204.
  • the bristles While maintaining their horizontal orientation, as shown schematically for the rights of the four Brstenfilamentkassetten 204 in Fig. 3, with a slider S between the respective Begrenzungswandungen, the bristle filament cassette 204, which is formed in the manner of an elongated box-shaped box, are pressed into this.
  • an empty bristle filament cassette 204 is filled with the respective bristle filament batches at substantially the same time, and no bundles of bristles 217 are removed in this case. Accordingly, during the backfilling of the bristle filament cassette 204, a front bristle bundle removal opening 21 1 is preferably closed by a further slide, not shown in FIG. 3.
  • bristle bundles 217 are removed by means of a bristle bundle separator 212 having a circular arc configuration, another one of the four bristle filament cassettes 204, the left cassette shown in FIG.
  • the batch return device 208 can also be any means with which the empty batch holders 1 are transferred into the collection container 209 after being emptied into position A.
  • This can be formed both by a movable gripper, which engages each batch holder individually and / or by a kind of slide, in which walls are arranged such that the individual batch holders are returned under their gravity, and / or by a conduit system, for example in the manner of a Tube post are formed, in which the batch holders are returned in particular by means of suction / compressed air.
  • Both the batch returner 208, the transfer means 203, and the ejector 207 may be configured as a machine unit disposed between the vertical magazines 200 and the bristle filament cassettes 204. Alternatively, these devices may also be designed as separate units.
  • bristle filament cassettes 204 are aligned substantially along a circular arc in an obliquely vertical direction, so that in each case two types of bristles for the production of different bristle bundles can be removed and then two different types of bristle filaments can also be refilled.
  • the bristle filament cassettes and the vertical magazines can be provided in any number.
  • the bristle filaments are respectively kept under tension in the bristle filament cassettes 204 in such a way that they come out of the bristle bundle removal opening 21 1 toward and against an outer circumferential surface of the bristle bundle compartment means
  • Such a kinematics for separating individual bristle bundles is known, for example, from DE 100 623 98 A1 or EP 1 522 234 A2.
  • the bristle bundle compartment device described in DE 100 623 98 A1 or in EP 1 522 234 A2 is made the disclosure content of the present application by this reference and forms an example of a bristle bundle compartment device.
  • the circular disc of the bristle bundle separator 212 formed on its outer circumference with one or more bristle receiving holes 218 for forming a bundle of bristles 217 rotates clockwise between a receiving position and an output position.
  • the bundle of bristles may be directly attached to a brush head 219 or transferred to an intermediate template in which a plurality of bundles of bristles are arranged before being attached to the brush head.
  • the fastening of the bundles of bristles in the brush head can take place by means of the so-called anchor technique or the in-mold technique, as are known, for example, from EP 1 181 144 B1 and EP 0 759 71 1 B1.

Landscapes

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

Abstract

L'invention concerne un dispositif d'alimentation d'une cassette de filaments de poils (204) en charges de filaments de poils (2), le dispositif d'alimentation comprenant un magasin vertical (200) et au moins une charge de filaments de poils (2) disposée dans celui-ci. Pour éviter que certaines filaments de poils (6) ne soient repoussés hors de la charge de filaments de poils (2) et fournir un dispositif optimisé du point de vue écologique, la charge de filaments de poils (2) est maintenue dans un support de charge (1) réutilisable et fermé sur son pourtour. Un aspect secondaire de l'invention concerne un dispositif de pose de poils comprenant le dispositif d'alimentation d'une cassette de filaments de poils de l'invention, ainsi qu'un moyen de transfert entre la cassette de filaments de poils et le dispositif d'alimentation. L'invention concerne également un procédé correspondant permettant d'équiper une brosse.
EP16715846.8A 2016-04-08 2016-04-08 Dispositif d'alimentation d'une cassette de filaments de poils en charges de filaments de poils Active EP3267835B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/057784 WO2017174152A1 (fr) 2016-04-08 2016-04-08 Dispositif d'alimentation d'une cassette de filaments de poils en charges de filaments de poils

Publications (2)

Publication Number Publication Date
EP3267835A1 true EP3267835A1 (fr) 2018-01-17
EP3267835B1 EP3267835B1 (fr) 2022-08-03

Family

ID=55745772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16715846.8A Active EP3267835B1 (fr) 2016-04-08 2016-04-08 Dispositif d'alimentation d'une cassette de filaments de poils en charges de filaments de poils

Country Status (4)

Country Link
US (1) US10646031B2 (fr)
EP (1) EP3267835B1 (fr)
KR (1) KR102104378B1 (fr)
WO (1) WO2017174152A1 (fr)

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US10888201B2 (en) 2014-11-11 2021-01-12 ZeroBrush, Inc. Systems, devices, and methods for providing customized oral care agents
US20210315676A1 (en) * 2014-11-11 2021-10-14 ZeroBrush, Inc. Methods of Designing and Fabricating Customized Dental Care for Particular Users
US10869541B2 (en) 2014-11-11 2020-12-22 ZeroBrush, Inc. Systems, devices, and methods for customized dental care
US11058523B2 (en) * 2014-11-11 2021-07-13 ZeroBrush, Inc. Methods of designing and fabricating customized dental care for particular users
DE202020104713U1 (de) * 2020-08-13 2020-11-19 Gb Boucherie Nv Borstentransportverpackung, Borstentransporteinheit sowie Beborstungsmaschine

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DE3402050A1 (de) * 1983-11-29 1985-06-05 Fa. Anton Zahoransky, 7868 Todtnau Verfahren zum herstellen von buersten sowie buerstenherstellungsmaschine zur durchfuehrung des verfahrens
DE3477345D1 (en) * 1983-11-29 1989-04-27 Zahoransky Anton Fa Method and apparatus for manufacturing brushes
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Also Published As

Publication number Publication date
KR102104378B1 (ko) 2020-04-27
WO2017174152A1 (fr) 2017-10-12
KR20180004220A (ko) 2018-01-10
US20180153299A1 (en) 2018-06-07
US10646031B2 (en) 2020-05-12
EP3267835B1 (fr) 2022-08-03

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