EP0444436A2 - Traitement des soies - Google Patents

Traitement des soies Download PDF

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Publication number
EP0444436A2
EP0444436A2 EP91101482A EP91101482A EP0444436A2 EP 0444436 A2 EP0444436 A2 EP 0444436A2 EP 91101482 A EP91101482 A EP 91101482A EP 91101482 A EP91101482 A EP 91101482A EP 0444436 A2 EP0444436 A2 EP 0444436A2
Authority
EP
European Patent Office
Prior art keywords
bristles
bristle
grinding surface
support
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.)
Granted
Application number
EP91101482A
Other languages
German (de)
English (en)
Other versions
EP0444436A3 (en
EP0444436B1 (fr
Inventor
Georg Weihrauch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coronet Werke GmbH
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 EP0444436A2 publication Critical patent/EP0444436A2/fr
Publication of EP0444436A3 publication Critical patent/EP0444436A3/de
Application granted granted Critical
Publication of EP0444436B1 publication Critical patent/EP0444436B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D9/00—Machines for finishing brushes
    • A46D9/02—Cutting; Trimming

Definitions

  • the bristle ends are either immersed in a solvent at a defined speed and then pulled out again, and the solvent bath is subjected to an ultrasonic vibration (DE-A-30 07 761) or a plastic monofilament is used immersed in a viscous liquid and coated with a correspondingly tapered jacket at the end by pulling out the corresponding speed profile (US Pat. No. 2,207,158).
  • Another type of process for the production of conical bristles is based on an endless monofilament which, after extrusion, is intermittently tapered by changing the drawing speed (DE-C-8 41 483, US-A-2 341 823) and cut into bristles in the area of the taper , or hollow monofilaments are produced (US-A-3 184 822) and these are thermally compressed to the end after cutting.
  • bristles are known in which the bristle jacket is profiled (US-A-2 317 485) and / or roughened (US-A-2 862 284) to improve the cleaning effect.
  • the invention is concerned exclusively with a mechanical Method.
  • planing, milling and grinding possibly also in combination with one another, are known.
  • the longer bristles are first pushed outwards in rows by wedge-shaped inserts, the shorter bristles are gripped laterally, cut and ground at their ends, after removal of the inserts, the longer bristles are sanded (EP -0 078 569).
  • US-A-2 227 126) with combined milling and grinding machining the toothbrushes or their bristles are guided over the outer surface of a plurality of rotating disk tools, the outer surface of which is recessed and differently profiled.
  • the bristle ends are machined by a flat grinding surface rotating about two axes.
  • the grinding surface is arranged perpendicular to the bristles. Due to the circular movement of each point on the grinding surface, the bristles should be pressed accordingly to ensure that each bristle is rounded evenly at its end.
  • the pressure can be varied (DE-C-9 58 016) by the holder fixing the brush being adjustable by means of threaded spindles and threaded nuts, initially started with a stronger pressure and accordingly greater deflection of the bristles and then the holder is moved away from the grinding surface.
  • the invention has for its object to further develop the aforementioned method in such a way that a flawless end machining with any brush contour and, if necessary, machining of the bristle jacket is possible in a zone extending from the bristle end in the direction of clamping. Furthermore, the object of the invention is to propose a device suitable for carrying out the method.
  • the procedural part of the object of the invention is achieved in that the bristles are supported, optionally in bundles, between their clamping and their ends on the usage side to influence the machining result in a variable, but always the same distance from the grinding surface for all bristles.
  • the bristles are clamped in as short cuts or as part of endless monofilaments with a distance from the bristle ends approximately corresponding to the final length.
  • This can be a clamping device used in the production process for brush production, which fixes the bristles in the configuration relevant for the finished brush, or it can be the brush body or a part of the same, in which the bristles are inserted during the production process have been.
  • the bristles are then cut to the desired length after being clamped and then processed at the ends by grinding, in particular rounded.
  • the grinding pressure required for the end machining is preferably generated by adjusting the grinding surface in the direction of the bristle ends, the grinding pressure possibly being varied during the machining.
  • the machining result itself namely the type of rounding
  • the machining result itself namely the type of rounding
  • the bristles or the bristle bundles are not arranged perpendicular to the clamping plane on the brush body, but extend at angles which deviate from 90 degrees. It is often the case that the bristles or
  • the invention further provides that the bristles are laterally supported at a distance from the clamping plane and laterally displaced by means of the support so that they are perpendicular to the clamping plane or between the support and the bristle ends Grinding surface run, and then the grinding surface is delivered.
  • the bristles or bundles of bristles are not only supported laterally according to the aforementioned exemplary embodiment within the scope of their predetermined angular position, but are also brought into a position perpendicular to the grinding surface by lateral displacement of the support, that is to say bent relative to the clamping plane at the complementary angle, so that all bristles be acted upon by the grinding surface in the same position. After grinding and after the lateral support has ceased, the bristles return to their originally specified angular position over their entire length.
  • the aforementioned method variant can be combined with the cutting process in such a way that the bristle ends are first cut to desired dimensions immediately after the lateral displacement immediately above the support, then the support is moved parallel to the bristles while increasing the distance to the bristle ends and the grinding surface is then delivered.
  • the bristles or the bristle bundles have different free lengths in order to form a contoured brush surface
  • a uniform processing result for all bristles is ensured according to a further embodiment of the invention in that the bristles depending on their length between the clamping plane and the lateral support perpendicular to their extension laterally deflected until the ends of all bristles lie in one plane, and then the grinding surface is delivered.
  • the method according to the invention also allows processing of the bristle jacket in the region of the bristle ends, for example in order to roughen the bristles, to sharpen them or the like, for example by advancing the grinding surface, preferably suddenly, to such an extent that the bristles are bent in one direction and with it Bristle jacket of the grinding surface adjoining the bristle end.
  • the length of the bristle jacket lying against the grinding surface and thus the machined length of the bristle can in turn be influenced by the lateral support of the bristles. The smaller the distance of the support from the grinding surface, the smaller the bent bristle length.
  • the grinding surface and the clamping plane are shifted parallel to each other from a position in which the grinding surface is located on the side of all the bristles and the distance between the two is smaller than the bristle length such that the bristles are bent against the direction of displacement and align with the area to be machined of their jacket on the grinding surface.
  • the machining length on the bristle jacket can be preset very precisely.
  • the separate and variable-variable support of the bristles can optionally be dispensed with.
  • the invention is based on a known device (DE-C-9 58 016) which fixes the bristles, optionally in bundles, fixing, a cutting device for cutting the bristles to the desired size and a grinding element which has a substantially has a grinding surface arranged perpendicular to the bristle extension and is driven by means of an eccentric such that each point of the grinding surface moves on a circular path of the same diameter.
  • the known device has a device for changing the distance between the clamping and the grinding surface.
  • such a device is characterized in that, at a distance from the clamping, a support that largely encompasses the bristles or individual bristle bundles is provided in a plane that is parallel to the grinding surface and that can be moved parallel to the bristles. If necessary, the procedure can be such that the grinding member has a feed drive which forms the device for changing the distance.
  • the support can also serve as a shear surface for the cutting device.
  • the support is first brought into the position which is intended for cutting the bristle ends, and then the cutting device is guided over the support and the bristles are cut in the process. The support is then moved away from the bristle ends until there is a certain free bristle length. The grinding wheel is then fed in and the machining process begins.
  • two or more supports can also be provided which can be moved parallel to the bristles independently of one another and of which the support close to the bristle ends forms the shear surface and which together form the support during grinding.
  • a device is provided between the clamping and the support, which engages between the bristles or individual bristle bundles and can be displaced transversely to them, for deflecting the bristles from their extended position. Since the differences in brushes with different bristle lengths are generally only within narrow limits, the bundle spacing is generally sufficient to have enough space between the bundles for the necessary deflection.
  • the device is further characterized in that the grinding member can be moved parallel to the support into the grinding position from a position next to the bristles fixed by the clamping, in which its distance from the support is smaller than the free length of the bristles.
  • the bristles can be bent off the grinding surface when the grinding member is moved into the grinding position, that they rest with part of their jacket on the grinding surface and can be processed on the jacket side in this way.
  • the support can be formed from strips which engage between the bristles or the bristle bundles in the manner of a comb.
  • the strips are preferably arranged at a short distance from one another and have these laterally encompassing recesses on the sides facing one another and in the grid predetermined by the arrangement of the bristles or bristle bundles.
  • the strips can be inserted from the side between the bristles or bundles of bristles, with each bundle of a row of bundles being supported laterally in all directions between two adjacent strips.
  • the ledges are tapered at their leading ends.
  • the design can also be such that the support is formed from bars which engage between the bristles or the bristle bundles in the manner of a comb.
  • the bristles are supported in a sufficiently stable manner essentially only in two directions existing perpendicular to one another. All-round support can be achieved by providing two groups of bars which engage in a comb-like manner between the bristles or the bristle bundles and run perpendicular to one another, with adjacent bars of both groups each comprising a bristle or a bristle bundle.
  • the embodiment with the comb-like arranged rods is particularly recommended with a narrow bristle spacing then the side support between the bristle bundles can be retracted from the side.
  • the device for deflecting the bristles can likewise consist of individual rods which can be inserted from the side between the bristles or the bristle bundles and between the clamping plane and the support and displaceable transversely to the bristles.
  • the arrangement of two or more supports, between which the rods of the deflection device are arranged, is recommended.
  • the supports and the rods of the deflection device move in simultaneously or in succession between the bristle bundles.
  • the rods of the deflection device only engage in the area of the longer bristle bundles and initially deflect them by transverse displacement between the two supports until all bristle ends lie approximately in one plane. Only then is the grinding member moved in and the ends are machined.
  • the device according to FIG. 1 has a grinding member 1 with a grinding support 2.
  • the grinding carrier 2 in turn has a flat grinding surface 3, which is applied as a covering to the grinding carrier 2.
  • the grinding member 1 is moved in a circular movement about an axis 5 by three eccentrics 4 (see FIG. 3).
  • the eccentrics 4 is driven.
  • the grinding surface consequently executes the circular movement indicated in FIG. 3 with directional arrows, in which each point of the grinding surface 3 moves on a circle of the same diameter.
  • the grinding member 1 can also be advanced in the direction of the double arrow 6 (see FIG. 1).
  • the infeed movement can be carried out by a hydraulic or spindle drive.
  • the device can also have a clamping 7, which has a plurality of through holes 8, which are arranged in a grid corresponding to the grid of the bundle arrangement on the finished brush and have a diameter which corresponds approximately to the bundle diameter.
  • This tension can be designed in the form of a clamping device so that the bristle bundles 9 inserted into the through holes 8 are optionally additionally tightly tensioned.
  • this can also be formed directly by the bristle carrier of the brush, to which the bristle bundles 9 are already attached.
  • the device also has a lateral support 10 which laterally supports the bristle bundles 9 at a distance from the plane predetermined by the clamping 7.
  • the support 10 can be moved parallel to the bristles in the direction of the double arrow 11.
  • the device can also have a cutting device 12 in the form of a cutting knife extending over the entire bristle field.
  • the support 10 consists of parallel strips 13 which can be inserted from the side between the bristle bundles 9 and, for this purpose, taper to a point at their ends 14.
  • the strips 13 are arranged next to one another at a short distance and have partially circular recesses 15 on the sides facing one another, so that opposing recesses approximately complement each other to form a circular shape and each comprise a bristle bundle 9 on all sides in the retracted position.
  • the support can also be formed by simple straight-line rods, in which case two groups of mutually perpendicular rods are provided, each of which is inserted like a comb between the bristle bundles 9 can be so that a bristle bundle is supported laterally between each adjacent and crossing bars.
  • a single bristle 16 initially has the shape shown in FIG. 4a. For example, it is cylindrical and has cuts 17 running perpendicular to its axis at both ends. Such a bristle 16 can only be rounded at its end, as indicated at the end 18 in FIG. 4b. In addition, the bristle 16 can be roughened on its section 19 close to the rounded end 18 (FIG. 4c). Instead, it is possible to sharpen the bristle 16 towards the end of the section 20 in order to obtain greater flexibility in the area of the end (FIG. 4d), it also being possible to round the tip 21 at the end of the tapered section 20 ( Figure 4e).
  • FIG. 5a shows the usual machining process when rounding the bristle ends.
  • the support 10 is arranged at a predetermined distance from the clamping 7, so that the bristle bundles 9 protrude beyond the support 10 with a length that allows the desired degree of deflection.
  • the grinding member 1 is fed down in the direction of the double arrow 6 until the bristle bundles 9 bend to a small extent.
  • the bristle ends are ground in this position.
  • the grinding member 1 can be advanced continuously or in stages in order to achieve a perfectly rounded transition from the bristle end to the bristle jacket or to contour the bristle end in a certain way (FIG. 5b).
  • the bristle bundles can be bent even more strongly, as is shown in FIG.
  • the bristle bundles 9 are in turn held by the clamping 7.
  • the support 10 initially serves as a shear surface for the cutting device 12.
  • the support 10 is first moved upwards towards the bristle end after it has been inserted between the bristle bundles.
  • the cutting device 12 moves over the support 10 and brings the bristles to the same length, as shown in FIG. 6b.
  • the support 10 then moves down into its position specified for the grinding process and the grinding member 1 is fed. After grinding, the bristle bundles 9 are rounded at their ends, as shown in FIG. 6c.
  • FIG. 7a shows a clamping 7 in which the bristle bundles 9 are held in a position deviating from 90 degrees.
  • two supports 10, 22 are provided which are moved into contact with one another between the bristle bundles 9.
  • the supports 10, 22 are then moved transversely to the bristle bundles 9, as shown in FIG. 7b. So that the bristle bundles are aligned with the clamping 7 in the vertical.
  • the upper support 10 again moves up to near the bristle ends and there forms a shear surface for the cutting device 12.
  • the support 10 is again brought down into contact with the support 22, so that the bristle sections projecting upwards above the support 10 continue to be used stand perpendicular to the flat grinding surface 3.
  • the grinding member 1 is fed and the bristle ends are processed.
  • the bristle bundles 9 again take the ones shown in FIG. 7d shown angular position for clamping 7. The ends of all the bristles of the bundle 9 are rounded evenly.
  • FIGS. 8a to 8d show the processing of a bristle arrangement within which the bristle bundles have different lengths. This is the case, for example, with brushes in which the bristle ends lie on a contoured surface.
  • the bristle bundles 9 are in turn fixed in a clamping 7.
  • the device again has two supports 10, 22, which are arranged at a distance from the clamping 7, but also at a distance from one another.
  • a device 24 engages between the two supports 10, 22, which in the exemplary embodiment shown is formed by two parallel rods 24, which are arranged at a distance from one another which corresponds approximately to the diameter of the bristle bundle 9, and fix the bristle bundle 23 between them.
  • the rods 24 can be displaced transversely to the bristle extension, as indicated by the arrow 24 in FIG.

Landscapes

  • Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Pens And Brushes (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
EP91101482A 1990-03-01 1991-02-05 Traitement des soies Expired - Lifetime EP0444436B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4006325A DE4006325A1 (de) 1990-03-01 1990-03-01 Borstenbearbeitung
DE4006325 1990-03-01

Publications (3)

Publication Number Publication Date
EP0444436A2 true EP0444436A2 (fr) 1991-09-04
EP0444436A3 EP0444436A3 (en) 1991-10-09
EP0444436B1 EP0444436B1 (fr) 1995-12-27

Family

ID=6401138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101482A Expired - Lifetime EP0444436B1 (fr) 1990-03-01 1991-02-05 Traitement des soies

Country Status (8)

Country Link
US (1) US5176427A (fr)
EP (1) EP0444436B1 (fr)
JP (1) JPH05228021A (fr)
AT (1) ATE132017T1 (fr)
DE (2) DE4006325A1 (fr)
DK (1) DK0444436T3 (fr)
ES (1) ES2083471T3 (fr)
RU (1) RU1833175C (fr)

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WO2000010425A1 (fr) 1998-08-19 2000-03-02 Coronet-Werke Gmbh Procede de test de qualite de poils de brosserie et utilisation desdits poils
WO2001003544A1 (fr) 1999-07-13 2001-01-18 Coronet-Werke Gmbh Poil de brosse, procede de fabrication dudit poil de brosse et brosse comportant de tels poils de brosse
RU2201122C2 (ru) * 1997-08-12 2003-03-27 Ж.Б. Бушери Н.В. Способ закругления концов незакрепленных волокон
EP2409598A3 (fr) * 2010-07-22 2012-03-21 Braun GmbH Procédé de fabrication d'une tête de brosse à dents
BE1023106B1 (de) * 2015-11-06 2016-11-23 Bart Gerard Boucherie Verfahren zum mechanischen Anspitzen von Borsten und Schleifvorrichtung
EP1449458B1 (fr) * 2003-02-21 2017-08-09 FIRMA G.B. BOUCHERIE, naamloze vennootschap Procédé et dispositif pour la fabrication des brosses
CN107915034A (zh) * 2017-10-12 2018-04-17 安徽省无为县永昌鬃刷制造有限公司 一种自动下料的振动式鬃毛高效磨根机
CN108371395A (zh) * 2018-01-22 2018-08-07 赵梦洁 一种化妆刷刷毛修剪设备
EP3701833A1 (fr) * 2015-10-15 2020-09-02 The Boeing Company Procédés de fabrication de brosses de fourniture de substance gluante à une pièce de fabrication depuis un effecteur terminal
US11123761B2 (en) 2015-10-15 2021-09-21 The Boeing Company Methods for loading and unloading brushes to and from end-effector
US11172756B2 (en) 2015-10-15 2021-11-16 The Boeing Company Brushes for delivering glutinous substance to workpiece from end-effector and methods for using the same

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US8151397B2 (en) 2002-08-09 2012-04-10 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
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RU2315536C2 (ru) * 2002-12-03 2008-01-27 Йоунг-Джун КВОН Зубная щетка со щетинками иглообразной формы, суженными на одном конце, и способ ее производства
EP1661485A3 (fr) * 2004-11-19 2012-07-11 FIRMA G.B. BOUCHERIE, naamloze vennootschap Brosse à dents
US8281448B2 (en) 2005-10-24 2012-10-09 Colgate-Palmolive Company Oral care implement having one or more moving sections
US8523888B2 (en) * 2006-12-18 2013-09-03 Colgate-Palmolive Company Oral care implement
US8201298B2 (en) 2007-02-09 2012-06-19 Colgate-Palmolive Company Toothbrush with low profile head
EP3100639B1 (fr) * 2015-06-05 2018-06-27 The Procter and Gamble Company Dispositif pour arrondir les extrémités de filaments et procédé servant à arrondir les extrémités des filaments de brosses (à dents)
JP6791847B2 (ja) * 2016-06-22 2020-11-25 株式会社新和製作所 化粧用ブラシ及びその製造方法
SE542303C2 (en) 2017-08-17 2020-04-07 Tepe Munhygienprodukter Ab Method and apparatus for end rounding bristles
CA3021410C (fr) * 2017-10-27 2023-12-12 Sunstar Americas, Inc. Tete a soies destinee a une brosse a dents electrique
CN116458724A (zh) * 2023-06-05 2023-07-21 安徽力洁刷业有限公司 一种刷毛修剪装置及其修剪方法

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BE1000374A4 (nl) * 1987-03-13 1988-11-16 Boucherie Nv G B Borstelvervaardigingsmachine.
WO1989005706A1 (fr) * 1987-12-22 1989-06-29 Blendax Gmbh Procede d'arrondissement de l'extremite des soies de brosses
BE1001372A6 (nl) * 1988-01-21 1989-10-10 Boucherie Nv G B Inrichting voor het bewerken van in een borstellichaam bevestigde vezelbundels.
DE3820372C2 (de) * 1988-06-15 1997-07-24 Coronet Werke Gmbh Verfahren und Vorrichtung zur Herstellung von Borstenwaren

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RU2201122C2 (ru) * 1997-08-12 2003-03-27 Ж.Б. Бушери Н.В. Способ закругления концов незакрепленных волокон
WO2000010425A1 (fr) 1998-08-19 2000-03-02 Coronet-Werke Gmbh Procede de test de qualite de poils de brosserie et utilisation desdits poils
WO2001003544A1 (fr) 1999-07-13 2001-01-18 Coronet-Werke Gmbh Poil de brosse, procede de fabrication dudit poil de brosse et brosse comportant de tels poils de brosse
DE19932376A1 (de) * 1999-07-13 2001-01-18 Coronet Werke Gmbh Borste für Zahnbürsten und Zahnbürste mit solchen Borsten
US6772467B1 (en) 1999-07-13 2004-08-10 Coronet-Werkc Gmbh Brush bristle, method of making same and brush comprising such brush bristles
EP1449458B1 (fr) * 2003-02-21 2017-08-09 FIRMA G.B. BOUCHERIE, naamloze vennootschap Procédé et dispositif pour la fabrication des brosses
WO2012011084A3 (fr) * 2010-07-22 2012-04-12 Braun Gmbh Procédé de production d'une tête de brosse à dents
US8651582B2 (en) 2010-07-22 2014-02-18 Braun Gmbh Method for producing a toothbrush head
EP2409598A3 (fr) * 2010-07-22 2012-03-21 Braun GmbH Procédé de fabrication d'une tête de brosse à dents
EP3701833A1 (fr) * 2015-10-15 2020-09-02 The Boeing Company Procédés de fabrication de brosses de fourniture de substance gluante à une pièce de fabrication depuis un effecteur terminal
US11172756B2 (en) 2015-10-15 2021-11-16 The Boeing Company Brushes for delivering glutinous substance to workpiece from end-effector and methods for using the same
US11129467B2 (en) 2015-10-15 2021-09-28 The Boeing Company Brushes for delivering glutinous substance to workpiece from end-effector and methods for making and using the same
US11123761B2 (en) 2015-10-15 2021-09-21 The Boeing Company Methods for loading and unloading brushes to and from end-effector
BE1023106B1 (de) * 2015-11-06 2016-11-23 Bart Gerard Boucherie Verfahren zum mechanischen Anspitzen von Borsten und Schleifvorrichtung
CN108430265A (zh) * 2015-11-06 2018-08-21 Gb保捷利公众有限公司 用于机械地削尖刷毛的方法和磨削设备
WO2017076660A1 (fr) * 2015-11-06 2017-05-11 Gb Boucherie Nv Procédé d'appointissage mécanique de poils et dispositif de meulage
CN107915034B (zh) * 2017-10-12 2019-07-02 安徽省无为县永昌鬃刷制造有限公司 一种自动下料的振动式鬃毛高效磨根机
CN107915034A (zh) * 2017-10-12 2018-04-17 安徽省无为县永昌鬃刷制造有限公司 一种自动下料的振动式鬃毛高效磨根机
CN108371395A (zh) * 2018-01-22 2018-08-07 赵梦洁 一种化妆刷刷毛修剪设备

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ES2083471T3 (es) 1996-04-16
DE59107136D1 (de) 1996-02-08
US5176427A (en) 1993-01-05
JPH05228021A (ja) 1993-09-07
DE4006325A1 (de) 1991-09-05
RU1833175C (en) 1993-08-07
EP0444436A3 (en) 1991-10-09
ATE132017T1 (de) 1996-01-15
DK0444436T3 (da) 1996-08-05
EP0444436B1 (fr) 1995-12-27

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