EP0329939A2 - Procédé et appareil pour la fabrication d'un dispositif pour appliquer des liquides via des soies - Google Patents

Procédé et appareil pour la fabrication d'un dispositif pour appliquer des liquides via des soies Download PDF

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Publication number
EP0329939A2
EP0329939A2 EP89100566A EP89100566A EP0329939A2 EP 0329939 A2 EP0329939 A2 EP 0329939A2 EP 89100566 A EP89100566 A EP 89100566A EP 89100566 A EP89100566 A EP 89100566A EP 0329939 A2 EP0329939 A2 EP 0329939A2
Authority
EP
European Patent Office
Prior art keywords
bristles
bristle
bristle carrier
bundle
melt
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
EP89100566A
Other languages
German (de)
English (en)
Other versions
EP0329939B1 (fr
EP0329939A3 (en
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
Priority to AT89100566T priority Critical patent/ATE83364T1/de
Publication of EP0329939A2 publication Critical patent/EP0329939A2/fr
Publication of EP0329939A3 publication Critical patent/EP0329939A3/de
Application granted granted Critical
Publication of EP0329939B1 publication Critical patent/EP0329939B1/fr
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
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water

Definitions

  • the invention relates to a method for producing devices for applying fluid media by means of plastic bristles, which are arranged in bundles on a bristle carrier made of plastic by means of a thermal fusion connection such that at least one channel tapering towards the bristle ends is formed within the bundle. which extends an outlet opening arranged in the bristle carrier for the medium into the region of the bristle ends. Furthermore, the invention relates to a device suitable for carrying out the method.
  • Devices for applying fluid media are known in a large number of embodiments.
  • the invention is concerned only with devices in which there is at least one opening in the bristle carrier through which the fluid medium can exit directly into the bristle bundle.
  • the bristles form to transport the medium to the bristle ends a channel extending from the outlet opening to the bristle ends and tapering in this direction. Due to the conical positioning of the bristles, they lie close together at their end on the use side and thus close off the channel against undesired outflow of the medium.
  • the bristles made of plastic are on a thin plastic disc as a bristle carrier by thermal melting, for. B. fixed by welding.
  • the disc has the openings necessary for the media to pass through. These openings are aligned with corresponding openings on a closure for the container containing the medium.
  • the disk-shaped bristle carrier with the bristles is inserted into the closure.
  • the manufacture of such a device is only possible in several operations and is therefore extremely costly.
  • the attachment of the bristles to the thin, disc-shaped bristle carrier is not always reliable and, above all, due to the type of attachment by welding, the bristle closure at the end of the media-guiding channel is not guaranteed to be of a constant quality, so that the medium, in particular when pressed the bristles can emerge from the side of the application area.
  • the handle is designed as a container for liquid soap, on which the brush head is placed as a closure.
  • the brush head has a bristle holder in the form of a screw cap with a central opening and a riser pipe connected in one piece, which opens out in the center of the bristle bundle.
  • a bristle holder in the form of a screw cap with a central opening and a riser pipe connected in one piece, which opens out in the center of the bristle bundle.
  • There is one channel in the bristle bundle and one missing Bristle closure in the area of the bristle ends so that the medium escapes to the side and cannot be applied in a targeted manner.
  • the screw cap carrying the bristles is only provided with a central opening, while the riser pipe forms the upper end of the container and penetrates into the bristle bundle when the brush head is screwed on.
  • the bristles are left out in the center. From a functional point of view, however, the same disadvantages apply here as in the previously described embodiment.
  • the invention has for its object to further develop the method mentioned in such a way that the device can be manufactured in no more than two working stages and a secure hold of the bristles on the one hand and a reliable bristle closure at the end of the channel on the other hand is ensured.
  • this object is achieved in that a riser tube which adjoins the outlet opening and projects into the channel in the bristle bundle is produced by thermal melting and reshaping of the bristles and / or the bristle carrier.
  • the melt or the plastically deformable mass is displaced into the bristle bundle, either in the channel already provided by appropriate adjustment of the bristles, or the channel is only created within the bristle bundle on the basis of this displacement process.
  • the bristles have either been previously attached to the bristle carrier by thermal methods or that the bristle carrier and riser tube are formed when the bristle material melts and a separate fastening process is thus omitted, devices of the type mentioned can always be reproducibly of the same quality, in particular achieve a consistently good bristle seal at the ends of the bristles on the usage side.
  • the overall production is considerably simplified, because if the bristle carrier and riser tube are produced from the bristle material itself, only a single operation is necessary, in the other case that the bristles are first attached to a bristle carrier and then this is formed, to a maximum two operations are required.
  • the attachment-side ends of the bristles are melted and the melt is formed into the bristle carrier with the outlet opening and riser pipe.
  • the above-mentioned embodiment can be implemented in practical terms in that the attachment-side ends of the bristles are first melted to a disk-shaped or plate-shaped bristle carrier, shortening their length, and simultaneously or immediately thereafter by melting the bristle carrier and, if appropriate, the bristles lying inside the bundle, the outlet opening and the riser tube are molded into the bristle holder. It is particularly advantageous if the inner bristles are also melted, so that a firm bond is given.
  • the method according to the invention also gives the possibility that when the melt of the bristle carrier and possibly the bristles are formed into the riser tube, the bristles are displaced outwards to form the channel.
  • the production of the media-carrying channel in the bristle bundle is possible in two ways, either by preparing the bristles in the bundle with appropriate angular positioning and then melting and reshaping them at their fastening-side ends, but the method according to the invention also gives the possibility of bristles in the area of their end on the use side and to form the riser pipe into the bundle, so that the channel also forms within the bundle during this molding process.
  • Another advantageous variant of the method is characterized in that the bristles are introduced into an opening of the container containing the fluid medium or a closure for the latter and then melted from the inserted end, and that the melt is attached to the wall of the opening for anchoring the Bristle carrier is displaced.
  • This variant of the method has the advantage that, on the occasion of the formation of the bristle carrier and the riser tube, the unit consisting of bristles, bristle carrier and riser tube is immediately attached to the container containing the fluid medium or to a closure closing this container.
  • the opening of the container or of the closure has projections or undercuts on or into which the molten bristle material is formed.
  • the projections can be designed, for example, in the form of ribs, and the undercuts in the form of grooves.
  • the riser pipe can also be produced only from the prefabricated bristle carrier in accordance with the alternative mentioned at the beginning. This is advantageously done in such a way that the attachment-side ends of the bristles are attached to the bristle carrier by thermal melting and then the bristle carrier is at least partially melted and the melt is displaced into the bristle bundle to form the riser tube.
  • the procedure is advantageously such that when the melt of the bristle carrier is displaced to form the riser tube, the bristles are displaced outwards to form the channel, so that the channel is simultaneously generated within the bundle.
  • this presupposes that the bristles of a bundle are closely spaced from the bristle carrier, at least during melting and reshaping.
  • the method according to the invention also gives the possibility that the bristle carrier is produced in the form of a closure for the container containing the fluid medium.
  • a first heatable molding tool with a first molding surface for forming a depression in the melt of bristles and / or bristle carriers and a second heatable molding tool with a mandrel penetrating into the depression to form the Riser pipe is provided.
  • a narrow guide is provided for the bristles at a distance from the bristle carrier, so that when the riser tube is molded in, the mandrel also forms the channel within the bundle.
  • bristle bundle 1 and 2 each show a bristle bundle 1, the bristles 2 of which are set at an angle such that the bundle 1 tapers conically towards its free end 3.
  • a channel 4 Inside the bristle bundle 1 there is a channel 4, which also tapers conically towards the bundle end 3 and is free of bristles. The individual bristles 2 are adjusted so that they close together towards the end of the bundle 3 and close the channel 4.
  • the channel 4 continues an opening 5 in the bristle carrier 6, a riser pipe 7 adjoining the opening 5, which projects into the channel 4 of the bristle bundle 1.
  • the riser pipe 7 is formed in that the bristles 2 on their BEFE Melting end melted and formed into the bristle carrier 6 with the riser 7.
  • the bristle carrier 6 is fastened in a cap or a closure 8 of a container containing the fluid medium.
  • the attachment can be positive, for example, by the closure on the inside of its opening having a rib 9 onto which the bristle carrier 6 is bounced with a correspondingly designed groove.
  • the bristle carrier 6 can also be molded onto the rib 9 within the opening of the closure 8 on the occasion of its manufacture.
  • the bristle carrier 10 directly forms the upper end of a container containing the fluid.
  • the riser tube 11 is made from the material of the bristle carrier 10 by melting and reshaping.
  • the bristles 2 of the bundle 1 are either welded onto the end face of the bristle carrier 10 or else an annular disk 12 is formed by melting the attachment-side end of the bristles, which is mechanically inserted into the bristle carrier 10.
  • FIGS. 3 to 5 show an exemplary embodiment for producing the embodiment according to FIG. 1.
  • bristles 2 cut to length and combined to form a bundle 1 are introduced from above into a sleeve 13 which, for example, forms the upper end of the container containing the fluid. If necessary, the bristles 2 can be connected to one another at their insertion end by melting and forming a thin plate 6.
  • the sleeve 13 has a rib 14 on the inside and walls 15 inclined inward in its upper region.
  • a first heatable molding tool 16 can be inserted into the sleeve 13 from below, which has a flat end face 17 and a shaping surface in the form of a cone tip 18.
  • the bristles 2 are melted at their end and the melt is displaced upward, so that it fills the entire cross section of the sleeve 13 and is simultaneously molded onto the rib 14.
  • a central indentation 19 is created by the cone tip 19.
  • the melt in the central region is displaced outward, so that the bristles 2 also migrate outward at their roots and thereby open up their entire length incline so that the channel 4 is formed in the center.
  • the bristles at the end of the bundle 3 shorten from the inside out.
  • a heatable mold 20 with a central mandrel 21 is inserted into the sleeve 13, which is also heated.
  • the mandrel 21 moves into the recess 19, melts the material of the bristle carrier, but above all also the bristles lying on the inside, and forms the riser pipe 7 from the melt thus formed (FIG. 5).
  • the channel 4 is shaped even more. In this way, the bristle carrier 6 and its connection to the bristles 2, as well as the riser pipe 7 and the connection between the bristle carrier 6 and the sleeve 13 are produced in successive melting and forming processes.
  • the bristle bundle 1 can be tapered at its end 3 in order to enable a fine application of the fluid medium.
  • a guide 22 which closely surrounds the bristles, is fed to the closure 8.
  • the end 8 in turn has a rib 14 on the inside of its opening.
  • the endless strand 23 is fed into the closure 8 to such an extent that its leading end 24 lies beyond the rib 14 in the feed direction.
  • a heatable molding tool 16 then moves in again from below in accordance with the tool shown in FIG.
  • the bristle strand 23 is melted from its leading end 24 until a bristle carrier 6 is again formed, which is molded onto the rib 14 of the closure 8.
  • the guide 22 can be lowered to form the upper end for the melted and formed material with its front face.
  • the guide 22 dips into the closure 8 so that its collar 26 surrounds the bristle bundle 1 on the outside.
  • the embodiment according to FIG. 1 can be produced.
  • the embodiment according to FIG. 2 can be produced in a similar manner by the bristles 2 being thermally fastened on the disk 12 or by the bristles being thermally melted.
  • the disc 12 is then inserted into the bristle carrier 10, which initially has a flat, closed end wall on which the disc 12 rests.
  • the opening 5 and the riser pipe 11 are produced by melting and reshaping, the bristles being displaced outwards at the bottom and inclined towards one another at the top.
  • the guide 22 is then raised and the closure 8 is lowered, if necessary.
  • the molding tool 20 with the mandrel 21, which corresponds to that shown in FIG. 5 moves into the closure 8 from below and the riser tube 7 becomes by means of the mandrel 21 by melting and reshaping the bristle carrier 6 and / or in the center lying bristles 2 generated.
  • the channel 4 is simultaneously formed in the center of the endless strand 23.
  • a bundle is cut to length from the endless strand 23 by means of a transverse knife 25 and, as shown in FIG. 9, this is then possibly sharpened.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Brushes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP89100566A 1988-02-20 1989-01-13 Procédé et appareil pour la fabrication d'un dispositif pour appliquer des liquides via des soies Expired - Lifetime EP0329939B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89100566T ATE83364T1 (de) 1988-02-20 1989-01-13 Verfahren und vorrichtung zur herstellung von geraeten zum auftragen fluider medien mittels borsten.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3805316 1988-02-20
DE3805316 1988-02-20
DE3807685 1988-03-09
DE3807685A DE3807685C1 (fr) 1988-02-20 1988-03-09

Publications (3)

Publication Number Publication Date
EP0329939A2 true EP0329939A2 (fr) 1989-08-30
EP0329939A3 EP0329939A3 (en) 1990-07-11
EP0329939B1 EP0329939B1 (fr) 1992-12-16

Family

ID=25865055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100566A Expired - Lifetime EP0329939B1 (fr) 1988-02-20 1989-01-13 Procédé et appareil pour la fabrication d'un dispositif pour appliquer des liquides via des soies

Country Status (4)

Country Link
EP (1) EP0329939B1 (fr)
JP (1) JP2732880B2 (fr)
DE (2) DE3807685C1 (fr)
ES (1) ES2037286T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553441A1 (fr) * 1992-01-28 1993-08-04 CORONET-Werke Gesellschaft mit beschränkter Haftung Appareil pour appliquer un liquide
WO1995031917A1 (fr) * 1994-05-20 1995-11-30 Ingenieurbüro A. Maurer & Partner Procede de fabrication de pinceaux et de brosses
US20120023692A1 (en) * 2009-03-27 2012-02-02 Bart Gerard Boucherie Bristle insert, brush with such bristle insert, and method for manufacturing such bristle insert

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907841A (en) * 1988-07-22 1990-03-13 Photofinish Cosmetics, Inc. Method of making a molded brush
JPH1190367A (ja) * 1997-09-18 1999-04-06 Seibu Electric & Mach Co Ltd 清掃具
ITMI20110515A1 (it) * 2011-03-30 2012-10-01 Chromavis Spa Pennello da smalto per unghie

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698770A (en) * 1972-01-03 1972-10-17 Int Silver Co Brush making apparatus
DE2841265A1 (de) * 1978-09-22 1980-04-03 Richter Werke Heinrich Pinsel aus einem oder mehreren borstenbunden oder aus haar-, borsten- bzw. nylonbuendeln (puppen) und verfahren zur herstellung derselben
DE8705998U1 (de) * 1987-04-23 1987-06-25 Hans P. Maier GmbH, 8500 Nürnberg Pinsel mit Flüssigkeitendurchlaß
DE3712962A1 (de) * 1987-04-16 1988-11-03 Schlerf Coronet Werke Verfahren zur herstellung von borstenwaren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798699A (en) * 1971-06-17 1974-03-26 Tucel Industries Synthetic tufted constructions
DE3242757C1 (de) * 1982-11-19 1984-08-30 Coronet - Werke Heinrich Schlerf Gmbh, 6948 Wald-Michelbach Verfahren zur Herstellung von borstenbestzten Geraeten zum Auftragen fluider Medien
ES287275Y (es) * 1985-06-07 1988-07-01 Munoz Saiz Manuel Brocha de afeitar
JPH0426339Y2 (fr) * 1985-07-11 1992-06-24

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698770A (en) * 1972-01-03 1972-10-17 Int Silver Co Brush making apparatus
DE2841265A1 (de) * 1978-09-22 1980-04-03 Richter Werke Heinrich Pinsel aus einem oder mehreren borstenbunden oder aus haar-, borsten- bzw. nylonbuendeln (puppen) und verfahren zur herstellung derselben
DE3712962A1 (de) * 1987-04-16 1988-11-03 Schlerf Coronet Werke Verfahren zur herstellung von borstenwaren
DE8705998U1 (de) * 1987-04-23 1987-06-25 Hans P. Maier GmbH, 8500 Nürnberg Pinsel mit Flüssigkeitendurchlaß

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553441A1 (fr) * 1992-01-28 1993-08-04 CORONET-Werke Gesellschaft mit beschränkter Haftung Appareil pour appliquer un liquide
WO1995031917A1 (fr) * 1994-05-20 1995-11-30 Ingenieurbüro A. Maurer & Partner Procede de fabrication de pinceaux et de brosses
US5964508A (en) * 1994-05-20 1999-10-12 Ingenieurburo A. Maurer & Partner Method for producing brushes with flexible bristles and brushes with stiff bristles
US20120023692A1 (en) * 2009-03-27 2012-02-02 Bart Gerard Boucherie Bristle insert, brush with such bristle insert, and method for manufacturing such bristle insert
US10426256B2 (en) * 2009-03-27 2019-10-01 Bart Gerard Boucherie Bristle insert, brush with such bristle insert, and method for manufacturing such bristle insert

Also Published As

Publication number Publication date
JPH01249009A (ja) 1989-10-04
ES2037286T3 (es) 1993-06-16
EP0329939B1 (fr) 1992-12-16
EP0329939A3 (en) 1990-07-11
JP2732880B2 (ja) 1998-03-30
DE3807685C1 (fr) 1988-11-17
DE58902983D1 (de) 1993-01-28

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