EP0472857B1 - Verfahren zum Verbinden von Borstenbündeln mit einem Borstenträger aus Kunststoff und Vorrichtung hierfür - Google Patents

Verfahren zum Verbinden von Borstenbündeln mit einem Borstenträger aus Kunststoff und Vorrichtung hierfür Download PDF

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Publication number
EP0472857B1
EP0472857B1 EP91110916A EP91110916A EP0472857B1 EP 0472857 B1 EP0472857 B1 EP 0472857B1 EP 91110916 A EP91110916 A EP 91110916A EP 91110916 A EP91110916 A EP 91110916A EP 0472857 B1 EP0472857 B1 EP 0472857B1
Authority
EP
European Patent Office
Prior art keywords
bristle
bundles
bristle carrier
carrier
bundle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91110916A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0472857A1 (de
Inventor
Georg Weihrauch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coronet Werke GmbH
Original Assignee
Coronet Werke 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 Coronet Werke GmbH filed Critical Coronet Werke GmbH
Publication of EP0472857A1 publication Critical patent/EP0472857A1/de
Application granted granted Critical
Publication of EP0472857B1 publication Critical patent/EP0472857B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/805—Comb or brush

Definitions

  • the invention relates to a method for connecting bristle bundles to a plastic bristle carrier, by melting the bristles of each bundle at their fastening-side ends to form a thickening, providing the bristle carrier with holes on the bristle receiving side and / or at least in the thickening receiving areas is melted, the bristle bundle with the thickening is pressed into the holes or in the melted areas of the bristle carrier with thermal deformation, and then the mass rising as it is pressed in is reshaped.
  • Connecting bristles and bristle carriers made of the same or different plastics in the molten state is a kind of thermal joining process. It is known (EP-A-149 996) to melt the bristle ends into a thickening and to form the bristle bundle into preformed holes on the bristle carrier while the thickening is still plastic.
  • the plastic thickening should be provided with undercuts Fill in holes. The irregularities on the surface caused by the ascending melt should be remedied, among other things, by first forming the holes without undercuts, introducing the thickenings into the holes and then molding the surrounding material onto the thickenings.
  • the bristle carrier has ring-like elevations in the region of the holes, which are then molded on by plasticizing the bristle carrier material.
  • the flatness or unevenness of the bristle carrier surface in turn largely depends on the behavior of the melt in the holes.
  • the bristles within the bundle are fused together at their attachment-side end to form a thickened portion, and in a preferably solidified state these are pressed into the bristle carrier, which in turn is melted locally, for example in the form of holes, until the melt of the bristle carrier flows together again behind the thickening due to molecular reorientation.
  • the melt rises and forms a bead of melt, which is then leveled by a smoothing or post-forming tool or shaped to a concrete increase. For the reasons already described above (DD-A-221 633), this method too cannot be completely satisfactory.
  • the invention has for its object to improve the method mentioned in such a way that a flawless, flat surface on the bristle carrier is obtained while ensuring a firm integration of the bristle bundle in the bristle carrier.
  • This object is achieved in that the space above the bristle receiving side and between the bristle bundles is sealed in a ring surrounding the bristle field formed by them against the bristle carrier, and that the mass rising when the bristle bundles are pressed in is displaced and compressed to fill the sealed space using pressure .
  • the space immediately above the bristle carrier between the bristle bundles on the one hand and the bristle carrier outside the bristle field on the other hand is sealed and the mass that has risen between the bristle bundles used, for example the melt during molten work or the thermoelastically displaced mass during hot forming, is defined therein Space displaced and compacted at the same time. In this way it is possible to achieve a flat surface on the bristle carrier over the entire bristle field and, furthermore, to improve the hold of the bristle bundles in the bristle carrier by the additional compression.
  • the space is preferably elastically sealed at the edge.
  • the measure serves the same purpose in that the pressure which displaces and compresses the rising mass is applied elastically.
  • Sealing the bristle field and displacing the rising mass with simultaneous compression can take place immediately after the joining process and the plasticity or thermoelasticity still present can be used for the forming process.
  • the plasticity or thermoelasticity still present can be used for the forming process.
  • the bristle carrier is provided on the bristle receiving side with a depression which extends over the entire bristle field and into which the ascended mass is displaced when the pressure is applied.
  • the depression provided on the bristle receiving side and extending over the entire bristle field which can also be partially interrupted by elevations, for example in the area of the bristle bundle, is also able to absorb a larger melt mass without causing a change in the contour of the bristle carrier surface to lead.
  • the extent of the deepening can depend on the specific application, for example the size or extent of the melting pool or pools, melt volume, etc., displaced by the thickening or the bristle bundles.
  • the bristle carrier on the bristle receiving side is provided with elevations surrounding the holes or a part thereof, that the elevations are melted at least to a certain depth and are ring-shaped together with the rising mass in the outside of the elevations sealed space is displaced.
  • cross-sections and height-defined elevations are provided on the bristle receiving side, which are completely or partially leveled during the subsequent compression process.
  • the bristle carrier is provided with individual small depressions next to the holes receiving the bundle, which serve as deforming displacement spaces when the bristle bundles are pressed in and the rising mass is displaced.
  • the additional depressions create free displacement spaces into which the mass displaced during leveling and compaction can escape.
  • the depressions can be designed as holes with a small diameter, which are closed and deformed, in particular reduced, when the holes for the bundles are thermally formed and / or when the ascending melt is leveled.
  • the holes in the bristle carrier which receive the bundles are provided with a profile which is formed, for example, from webs, ribs or the like and which is leveled out when the hole walls are melted.
  • This embodiment also offers the possibility of not only minimizing the melting mass, but also reproducibly fixing it by melting the profile and the near-surface hole wall.
  • the ribs, webs should be thin-walled, so that they melt and collapse even with little heat input, without the surrounding material of the bristle carrier being melted.
  • the cause of the irregularities in the formation of the melt should be, among other things, that in the known clamping method, in which all bristle bundles are acted upon by a single clamping plate, different clamping forces on the individual bristle bundles are given with the As a result, individual bundles can dodge or recede more than others during the joining process.
  • the cause is to be presumed in different bundle cross-sections and different bristle packs within the bundle due to the necessarily existing diameter tolerances in the bristle monofilaments.
  • each bristle bundle provided by the fluid pressure or spring force according to the invention, it is ensured that an equal clamping force acts on each bristle bundle regardless of cross-section and bristle pack, with the result that none of the bristle bundles or individual bristles within a bundle can move backwards.
  • This ensures that the bristle protrusion above the guide plate when melting the bristle ends is always the same, and it is also ensured during the joining process that all bristle bundles are inserted into the melt on the bristle carrier with the same pressure or the same immersion depth due to the lack of possibility of evasion. This in turn minimizes the melt rising during the joining process, on the other hand it is evened out during successive joining processes.
  • the aforementioned negative effect can also be largely eliminated by clamping the bristle bundles between the spaced-apart guide plates under the action of a plate-parallel clamping force acting in the intermediate space according to the principle of cable friction.
  • the inventive deflection of the bristle bundle according to the principle of rope friction can exert such a clamping force that the Frictional forces between the bristles of a bundle prevent individual bristles from escaping.
  • the invention is based on a known device (for example EP 0 149 996), which has a receptacle for the bristle carrier, at least two guide plates arranged at a distance from one another and parallel to one another with aligned channels with aligned channels for feeding the bristle bundles, at least one Bristle bundle at least during the connection to the bristle carrier in the channels fixing clamping device and at least one of the bristle protruding beyond the channels and the bristle body on the bristle receiving side melting device.
  • a known device for example EP 0 149 996
  • Such a known device is characterized according to the invention in that the guide plate facing the receptacle or a form plate placed in front of it has a sealing zone which surrounds the bristle field in an annular manner and which has a corresponding annular sealing zone on the bristle carrier or on its receptacle when the guide plate or the form plate is moved together and the recording interacts.
  • the sealing zone becomes effective when the bristle holder receptacle and guide plate or mold plate are moved together and forms a closed space above the bristle side, enclosing the bristle field, into which the melt that has risen during the joining process is displaced during further moving together.
  • the annular sealing zone is formed by a groove and a rib engaging in it, one of which is arranged on the guide or form plate, the other on the bristle carrier or on its receptacle.
  • the annular sealing zone can be formed by interlocking steps on the guide or molding plate on the one hand and on the bristle carrier or its receptacle on the other hand.
  • the annular sealing zone can also be formed by an elastic ring or such an elastic ring can be assigned to the sealing zone.
  • the two aforementioned embodiments guarantee, on the one hand, an integrity seal, on the one hand, as well as a space-filling displacement of the melt, even when the mold plate and bristle holder receptacle have different feed paths.
  • an elastic material layer with channels for the bristle bundles is arranged in the space sealed between the guide or molded plate on the one hand and the bristle carrier on the other hand, which rests on the bristle carrier and deforms elastically when the pressure is applied.
  • the sealing itself can again take place via a step or the like, while the forming pressure when the melt is displaced always remains the same, even with different melt volumes due to the elasticity of the pressure surface, or the space available automatically adjusts to the volume of the mass to be displaced adjusts.
  • the guide plate or the molding plate can be heated in order to ensure a constant viscosity in the area to be formed.
  • a further embodiment of the device according to the invention is characterized in that at least one of the guide plates has a cavity or a cavity is formed between two adjacent guide plates, and that channels which pass through the cavity are provided for guiding the bundles of bristles, the walls of which are wholly or partly under the Fluid pressure in the cavity against the bristle bundles are deformable.
  • each guide channel has a recess into which a spring-loaded clamping body acting against the bristle bundle engages.
  • the device can be designed such that two adjacent guide plates are arranged at a distance and between them a clamping plate with bores for the bristle bundles can be displaced parallel to the plates, the distance of the clamping plate from the two guide plates and the displacement path being selected so that that the rope friction angle is reached between the individual bristles of the bundle.
  • the bristle bundles are thus displaced into the intermediate space between the guide plates arranged at a distance to form a deflection.
  • the extent of the deflection is chosen so that the bundles or the bristles of a single bundle cannot deflect.
  • the clamping body or the clamping plate is rounded on its surface acting on the bristle bundle without edges.
  • the device according to FIG. 1 has a two-part receptacle 1 for a bristle carrier 2, for example produced by injection molding, which is fixed in the receptacle.
  • a bristle carrier 2 for example produced by injection molding
  • guide plates 3, 4 and 5 are arranged in parallel.
  • a clamping plate 6 is located between the guide plates 3 and 4.
  • the guide plates 3, 4 and 5 have aligned channels 7 for feeding the bristle bundles 8.
  • the device also has a cutting device 9 (FIG. 1 a) and e)) and a heating element 10 (FIG. 1 b) and c)) which can be inserted between the bristle holder receptacle 1 and the guide plates 3, 4 and 5.
  • the operation of the device is as follows:
  • the bristle bundles 8 are unwound from a spool, for example as an endless strand.
  • the bristle carrier 2 is fixed in the receptacle 1, for example by clamping.
  • the bristle bundles 8 are introduced as so-called short cuts or as an endless strand of coils in the channels 7 of the guide plates 3, 4 and 5, which initially lie directly on top of one another.
  • the guide plate 5 is then moved to just before the free ends of the bristle bundles 8. In this position it serves as a cutting surface for the cutting device 9, which cuts the protruding ends of the bristle bundles 8 to the same final dimension.
  • the heating element 10 is then inserted between the bristle ends and the bristle carrier 2.
  • the heating element 10 has the shown Exemplary embodiment on the side facing the bristle receiving side of the bristle holder 2 heated pins 11 and on the opposite side a heating mirror 11a.
  • the heated pins 11 penetrate into the bristle receiving side of the bristle carrier 2 and form depressions there, while at the same time the free ends of the bristle bundles 8 are melted, so that thickenings 12 form there.
  • the guide plates 3 to 5 and the receptacle 1 are then moved apart again, as can be seen in FIG. 1 d), and the heating element is extended. The entire unit is then moved together again, as shown in FIG. 1e).
  • the bristle bundles 8 penetrate with their thickening 12 into the melted depressions 13 on the bristle carrier 2.
  • the clamping plate 6 has been displaced relative to the guide plates 3, 4 in accordance with the direction arrow, so that the bundles are clamped in the channels 7.
  • the melt of the bristle carrier 2 flows behind the thickenings on the bristle bundles 8. If sufficient tear-out strength has been achieved after the melt has solidified, the package of guide plates 3 to 5 is raised again, as in FIG. 1 f) shown. The lower guide plate 5 runs into a predetermined position and the bundles of bristles are then cut to length by means of the cutting device 9 at their ends on the use side.
  • a brush manufactured according to the aforementioned method is indicated schematically in FIG. 2.
  • burrs 14 can rise above ascending melt form the surface of the bristle carrier and in the region of the bristle bundle 8.
  • craters 15 and, in addition, cavities can form in the area of the attachment point of the bristle bundle and finally there is a risk that the bristle carrier 2 will generally be deformed on the bristle receiving side, as indicated at 16 .
  • FIG. 3 shows an ideal configuration in comparison with this, which is the aim of the invention to achieve.
  • FIGS. 4 to 7 show a first procedural measure to correct the irregularities described in connection with FIG. 2.
  • a form plate 17 is placed in front of the guide plate 5 or instead of this, below which a space 18 is formed with a sealing zone 19 which surrounds the bristle field in a ring.
  • the mold plate 17 moves downward, so that the space 18 above the bristle receiving side of the bristle carrier 2 is completely closed by the sealing zone 19 with the bristle carrier 2 interacts.
  • the sealing zone is formed by a groove 20 in the mold plate 17 and a web-like elevation 21 on the bristle receiving side of the bristle carrier 2.
  • the space located above the bristle receiving side is sealed to the outside in the annular sealing zone 19.
  • the melt displaced by the molding plate is evenly distributed in the space and at the same time compressed.
  • Figure 1 c) shows the final process product, in which due to the forming process on the bristle receiving side of the bristle carrier 2 a flat depression 22 is formed with a flat surface.
  • the sealing zone 19 (see FIG. 5 b)) is formed by a step 23 on the mold plate 17 and the outer contour of the bristle carrier 2, which also acts as a step 24.
  • the bristle receiving side is slightly increased compared to the edge contour of the bristle carrier 2.
  • the shaped plate 17 is formed in two parts by consisting of an outer frame part 25 and a plate 26 which can be moved separately. From the starting position shown in Figure 5 a), the mold plate 17 is moved down until the frame part 25 with its step 23 seals against the step 24 of the bristle carrier.
  • the plate 26, which may be under an elastic force, remains when moving together and takes over the balancing and compression of the melt, which is distributed up to the sealing step.
  • a low and barely perceptible, but in particular not disadvantageous step 27 arises on the bristle receiving side of the bristle carrier.
  • the bristle carrier 2 is configured similarly to the exemplary embodiment according to FIG. 5.
  • the molding plate 17 is provided with an elastic sealing ring 28 which interacts with the receptacle 1 of the bristle carrier 2.
  • the sealing zone 19 is in turn formed by a gap seal, as in FIG. 5.
  • the elastic seal 28 ensures a balancing pressure distribution when displacing the melt on the bristle receiving side of the bristle carrier 2.
  • the product produced in this way can be seen in FIG. 6 c). It has an absolutely smooth surface on the bristle receiving side of the bristle carrier 2.
  • the molding surface of the molding plate 17 is essentially formed by an elastic material layer 29, which can be compressed when the receptacle 1 and molding plate 17 move together, as shown in FIG. 7b).
  • the sealing zone 19 is again formed by steps or by a gap seal.
  • the elastic material layer 29 in turn ensures a uniform pressure distribution on the bristle receiving side of the bristle carrier 2.
  • FIGS. 8 to 10 show further process variants for producing a brush in the form idealized in FIG. 3.
  • the bristle carrier 2 is provided with a depression 30 which extends over the entire bristle field and into which the holes 13 are formed by means of the heated pins 11 of the heating element 10.
  • the melt that rises to the top reduces the depth of the depression 30 in some areas.
  • the melt escaping upwards and to the side is displaced into the remaining depressions 31 of the depression 30, so that in turn a smooth surface on the bristle receiving side is obtained. This is shown in Figure 8 c).
  • FIG. 9 shows an exemplary embodiment in which the bristle carrier 2 has prefabricated holes 13 '(FIG. 9a), which are only melted onto the hole wall and thereby formed into the holes 13 (FIG. 9b). This minimizes the melt mass and equalizes it in the manner already described (FIG. 9c).
  • this has preformed holes 32 with a the bottom of the recess 30 projecting collar 33.
  • the molding plate 17 has a depression 35 in the region of each channel 34 of a bristle bundle 8.
  • each bristle bundle 8 or the hole 13 assigned to it (FIG. 11b) is assigned, in addition to the depression 30 which extends over the entire bristle field, smaller depressions 30 'which extend deeper in the bristle carrier 2 than the bundles when fastened. These small depressions 30 'are closed and, at the same time, reduced in size when the holes 13 (FIG. 11b) are formed.
  • the melt mass is minimized in that the bristle carrier 2 has prefabricated holes 13 'with inwardly projecting ribs 13''- 4 pieces in a diametrical arrangement in the exemplary embodiment shown. Only these ribs and the near-surface hole wall are melted, so that, as FIG. 12 b shows, only a little melt mass is displaced upwards when the bundles 8 are melted and inserted.
  • the subsequent compression can optionally be carried out in such a way that each bristle bundle 8 is surrounded by a narrow collar on the surface of the bristle carrier.
  • FIG. 13 A further variant for the sealing zone 19 is shown in FIG. After the melting on the bristle side 3 and the formation of the holes 13, the bristle carrier 2 again has an irregular surface due to the melt of the bristle carrier rising.
  • the mold plate 17 is provided with a web 37 which surrounds the bristle field in an annular manner and which penetrates into the bristle carrier 2 when the receptacle 1 and mold plate 17 move together and thus forms the sealing zone 19, as can be seen from FIG. 13 b).
  • the product produced in this way and shown in FIG. 13 c) has on the bristle receiving side of the bristle carrier 2 a groove 38 which surrounds the bristle field in a shallow manner and which does not impair the product in terms of use or hygiene.
  • FIGS. 14 to 17 show process variants for the defined clamping of the bristle bundles 8.
  • the guide plates 3, 4 with the channels 7 for guiding the bundles 8 are arranged at a greater distance from one another, at least in the clamping positions.
  • the clamping plate 6 is displaceable, the bores 39 of which are very rounded.
  • FIG. 15 shows a modified version.
  • a guide plate 40 is provided which has a cavity 41 which is penetrated by sleeves 42, which in turn form the channels for the bristle bundles 8.
  • the sleeves 42 have at least a recess 43 and are surrounded by an elastic tube 44.
  • the cavity 41 can be pressurized hydraulically or pneumatically, so that the tube is deformed into the recess 43 of the sleeves 42, as shown in FIG. 15 b). Due to the fluid pressure and the hose section 45 penetrating into the recess of the sleeve 42, the bristle bundle 8 is jammed within the sleeve 42.
  • a constant clamping force is guaranteed within the bundle for each bristle bundle.
  • FIG. 15 can also be embodied according to FIG. 16 in a purely mechanical embodiment, in that the sleeve 42 again has a recess 43, but inside the guide plate there are clamping bodies 46 which, for example, by means of spring force from the one in FIG Figure 16 b) shown clamping position are movable. Instead of this, these clamping bodies 46 can of course also be acted upon by means of a fluid with appropriate guidance and sealing.
  • the guide plate 40 in turn has a cavity 41, as in the embodiment according to FIG. 15.
  • a multi-chamber membrane 47 is inserted into the cavity 41, which according to the previously described embodiments has passages 48 in the guide plates 3, 4 and 5 through which the bristle bundles 8 are fed.
  • the membrane 47 is again pressurized by means of a fluid, so that its wall bulges in the area of the passages 48, as shown in FIG. 17 b). Due to the hydrostatic pressure conditions within the membrane 47, the same clamping force acts on each bundle of bristles 8.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Brushes (AREA)
  • Treatment Of Fiber Materials (AREA)
EP91110916A 1990-08-28 1991-07-02 Verfahren zum Verbinden von Borstenbündeln mit einem Borstenträger aus Kunststoff und Vorrichtung hierfür Expired - Lifetime EP0472857B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027108A DE4027108A1 (de) 1990-08-28 1990-08-28 Verfahren zum verbinden von borstenbuendeln mit einem borstentraeger aus kunststoff und vorrichtung hierfuer
DE4027108 1990-08-28

Publications (2)

Publication Number Publication Date
EP0472857A1 EP0472857A1 (de) 1992-03-04
EP0472857B1 true EP0472857B1 (de) 1996-05-08

Family

ID=6413033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91110916A Expired - Lifetime EP0472857B1 (de) 1990-08-28 1991-07-02 Verfahren zum Verbinden von Borstenbündeln mit einem Borstenträger aus Kunststoff und Vorrichtung hierfür

Country Status (6)

Country Link
US (1) US5622411A (ja)
EP (1) EP0472857B1 (ja)
JP (1) JP3226569B2 (ja)
AT (1) ATE137644T1 (ja)
DE (2) DE4027108A1 (ja)
ES (1) ES2088444T3 (ja)

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DE102015111312A1 (de) * 2015-07-13 2017-01-19 Gb Boucherie Nv Verfahren und Vorrichtung zum Herstellen einer Bürste
WO2018177592A1 (de) 2017-03-27 2018-10-04 Gb Boucherie Nv Verfahren und vorrichtung sowie spritzgussformhälftenteil zum herstellen einer bürste
TWI849206B (zh) 2019-10-17 2024-07-21 德商維愛爾機器股份有限公司 刷子製造裝置

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CN101444363A (zh) * 2008-12-09 2009-06-03 于海宽 一种刷头及其制造装置
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US8308246B2 (en) * 2010-03-19 2012-11-13 Chung Tae Sang Method for manufacturing toothbrush and toothbrush manufactured by the method
JP5818308B2 (ja) 2011-03-17 2015-11-18 富士重工業株式会社 ハイブリッド車両の動力伝達装置
EP2674061B1 (en) * 2012-06-12 2017-07-19 Braun GmbH Method and tool for producing a brush head
DE102016107759A1 (de) * 2015-07-13 2017-01-19 Gb Boucherie Nv Verfahren und Vorrichtung zum Herstellen einer Bürste
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CN105433590A (zh) * 2015-12-02 2016-03-30 上海力玛赫机电制造有限公司 用于刷毛与手柄连接的装置、连接方法及采用该装置制成的刷子
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DE102015111312B4 (de) 2015-07-13 2017-03-30 Gb Boucherie Nv Verfahren und Vorrichtung zum Herstellen einer Bürste
DE102015111312C5 (de) 2015-07-13 2020-06-25 Gb Boucherie Nv Verfahren und Vorrichtung zum Herstellen einer Bürste
WO2018177592A1 (de) 2017-03-27 2018-10-04 Gb Boucherie Nv Verfahren und vorrichtung sowie spritzgussformhälftenteil zum herstellen einer bürste
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TWI849206B (zh) 2019-10-17 2024-07-21 德商維愛爾機器股份有限公司 刷子製造裝置

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DE59107786D1 (de) 1996-06-13
JP3226569B2 (ja) 2001-11-05
ATE137644T1 (de) 1996-05-15
JPH04226610A (ja) 1992-08-17
ES2088444T3 (es) 1996-08-16
EP0472857A1 (de) 1992-03-04
DE4027108A1 (de) 1992-03-05
US5622411A (en) 1997-04-22

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