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EP1318735B1 - Procede pour produire des articles de brosserie - Google Patents

Procede pour produire des articles de brosserie Download PDF

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Publication number
EP1318735B1
EP1318735B1 EP01980341A EP01980341A EP1318735B1 EP 1318735 B1 EP1318735 B1 EP 1318735B1 EP 01980341 A EP01980341 A EP 01980341A EP 01980341 A EP01980341 A EP 01980341A EP 1318735 B1 EP1318735 B1 EP 1318735B1
Authority
EP
European Patent Office
Prior art keywords
bristles
bristle
envelope
free ends
structured
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
EP01980341A
Other languages
German (de)
English (en)
Other versions
EP1318735A1 (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 EP1318735A1 publication Critical patent/EP1318735A1/fr
Application granted granted Critical
Publication of EP1318735B1 publication Critical patent/EP1318735B1/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
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/08—Preparing uniform tufts of bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D9/00—Machines for finishing brushes
    • A46D9/02—Cutting; Trimming
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • the invention relates to a method for producing Bristle goods, either individually or in groups Bristles in a predetermined arrangement with formation the desired bristle trim attached to a carrier be, with at least part of the bristles of the bristle stock structured on her coat by processing become.
  • the invention relates to a method for manufacturing of bristle goods, by individual or in groups summarized bristles in a specific arrangement below Formation of the desired bristle attachment attached to a carrier be, the free ends of at least one Part of the bristles can be shortened by machining.
  • Bristle goods usually consist of one or more less regular bristle trim, in which the ones forming it Bristles have a smooth surface on their coat, while the free bristle ends in a flat or in a continuously or discontinuously curved Envelope surface.
  • the bristle ends primarily meet the task of cleaning, grinding or polishing by mechanical attack on the surface, while the coat of the bristles primarily a wiping effect Fulfills.
  • the need for a variety of bristles to provide within a bristle stock results derive essentially from the demand for an effective and above all flat cleaning.
  • the coat is the bristles essentially only so far during the brushing process Properly effective as it is in the bristle trim bristles on the outside, while the bristles on the inside Bristles essentially only for support the bristles with each other and the additional Fulfill the task, order media or media for the Brush effect are significant in the narrow capillaries between to hold the bristles.
  • the invention has for its object.
  • a method for Propose production of bristle goods, with the help of which the coat of the bristles before or after their attachment on the bristle carrier in any, but reproducible Way can be structured.
  • the bristle ends should also to form any, but reproducible envelope surfaces the bristle ends can be shortened.
  • the first part of the invention task is solved that at least part of the bristles on the given arrangement or on the attached bristle trim using laser beams is structured without contact.
  • Today's laser technology gives the possibility of the effects to locate the laser beam very precisely and the Effect on the smallest areas down to individual points or Focus lines. It also gives the opportunity an adaptation to the material to be treated and allowed an exact adjustment of the depth effect depending of the material.
  • laser energy can therefore be seen on the mantle of the Bristles of a bristle stock defined and regular Generate structures in a preferably geometric arrangement.
  • the mechanical effect of the structures can also be seen through exact control of the depth effect of the laser beams influence. Since the process works without contact, reproducible structures can be independent of the flexibility of the bristles. This is especially true for plastic bristles, even if the invention is not limited to this material.
  • the laser technology also gives the possibility to structure the structures according to type and Adapt the arrangement to the application. The structures also improve the absorption capacity for cleaning or application media, due to the smooth surface of the structures be handed over perfectly and also washed out without any problems can be.
  • the structures also increase with toothbrushes and body brushes the massage effect and with technical brushes with abrasives in the bristles the abrasive effect on the structural edges.
  • the method according to the invention can be used that the bristles at their free ends using laser beams can be shortened without contact.
  • the laser source is controlled that the bristles at their free ends occasionally laser treatment rounded by thermal stress become. While structuring essentially through Evaporation or gasification of the plastic by means of the introduced Laser energy has been surprisingly found shown that when shortening the bristles from the free bristle end forth the bristle end - as always desired - rounded like a dome is. The reason is probably that in the bristle due to the monofilament production of linearly oriented molecules thermally at the point exposed to laser beams are claimed and thereby the molecules in their reorganize reorganized ball shape.
  • the laser source is also dependent on the particular Material, preferably a plastic designed so that the bristles on their coat by material removal profiled due to thermal decomposition of the plastic become.
  • a plastic designed so that the bristles on their coat by material removal profiled due to thermal decomposition of the plastic become.
  • Mechanical machining always leaves worn Remnants of material on the bristles that a subsequent Require cleaning and cleaning process without this 100% success is guaranteed. Also Such cleaning can be done in the method according to the invention omitted.
  • the bristles on their coat by foaming of the plastic structured Have practical trials namely shown that due to laser treatment in Plastic comes to blistering that is on the surface of the coat of the bristle shows as bumps. This Foaming can be done by fillers, laser guidance etc. control.
  • Two- or multi-component bristles consist of consist of a core and a shell. You will be particular used to display consumption by the core and shell are different colors and the initially single-colored bristles a different color effect with increasing wear at the bristle end reveal that is representative of the degree of wear is.
  • bristle products with such bristles is according to an embodiment of the invention provided that only Shell is structured by the laser beams. It can the shell down to the core by local removal of the shell material be structured.
  • the free ends are side by side Bristles forming a stepped Envelope surface can be shortened.
  • the method according to the invention can be used the prepared bristle arrangement or attached Bristle trim can be carried out. It can only be external Bristles can be structured on their coat. Instead of or in addition, it is also possible to divide and lateral deflection of bristles (DE 198 32 436, EP 0 736 270) expose bristles lying further inside and to structure them on their coat.
  • the structure can be visualized.
  • the laser treatment generated structure by using laser beams with a Color-changing fillers in the plastic of the bristles be visualized.
  • toothbrush 1 forms a carrier for bristles 3, which in the exemplary embodiments according to FIGS 12 only attached to support 2 standing upright are, so that the bristle 4 from a relatively dense Pack of bristles with narrow capillaries between them.
  • structures 5 in the form of parallel lines created by removing material from the bristle jacket Service.
  • the structuring according to FIG. 1 results in particular beneficial effects with the so-called red and white cleaning method.
  • the structures are 5 on the outer bristles of the bristle stocking 4 in the manner of oblique hatching and in the exemplary embodiment according to Figure 4 incorporated in the manner of cross hatching.
  • the exemplary embodiments according to FIGS. 2 to 4 are for any toothbrush method suitable.
  • FIG. 5 shows structures 5 the outer bristles in the form of circular, flat Depressions, while Fig.6 structures 5 in the form of Shows circular lines.
  • the bristles are 3 the bristle trim 4 of different lengths, namely in the area of the front end of the brush head 2 longer than in remaining area of the bristle trim, so that a "Topography" formed with a step in the front area becomes.
  • Structures 5 are only similar in this front area the Fig.1 incorporated into the jacket of the exposed bristles.
  • the bristle trim has 4 shows a "topography" in which the ends of a Part of the bristles 3 in one plane and the ends of the other Part of the bristles, each forming a group 6, in a higher level than the bristle carrier 2.
  • the protruding ones Group 6 bristles are provided with linear structures.
  • 9 to 11 is a toothbrush head 2 with the bristle trim 4 each in a top view of the free ends of the Bristles 3 shown.
  • the outer contour of the bristle trim 4 follows approximately the contour of the toothbrush head 2.
  • 9 are by means of laser beams Bristles only in the area of the front end of the brush head shortened, namely on concentric lines 7 of a polygon.
  • 10 are the Bristles 3 in a regular pattern like a Cross hatch 8 shortened while in the embodiment 11 are shortened along line 9.
  • FIG. 12 shows a perspective view of a toothbrush head 2, with the outer bristles on their Coat in turn have a structure 5 of parallel lines and at the same time the bristles in the area of the front end Heads are shortened in the form of cross hatching.
  • the bristle trim 4 from groups 9 of bristles, which are formed as round bundles are.
  • the brush head 2 Groups 10 and 11, where the free bristle ends have been shortened to different extents using laser beams are so that groups 10 and 11 are different at their free ends taper.
  • Fig. 15 to 17 is a top view of the bristle trim 4 of round head brushes, such as those used especially for electric toothbrushes used.
  • the bristles 3 are shortened along concentric rings 13, whereas in the embodiment according to FIG. 16 the bristles 3 are shortened in such a way that a spiral topography arises.
  • the working examples 16 and 17 support in particular the effect of the free bristle ends when circulating the Brush head around its central axis.
  • Fig.18 shows a toothbrush head 2 similar to Fig.13 and 14, the bristle trim 4 from groups 9 of bristles, the are designed as round bundles, and one on the front End arranged bristle group 12 is formed.
  • the front one Bristle group 12 consists of individual bristle strips, which are arranged in a star shape, with the individual strips have parallel structures 5 which are essentially are arranged perpendicular to the bristle axis.
  • the individual structures 5, which are on the jacket of the outside Bristles of the bristle stock 4 generated by laser beams have been, irregularly, in the statistical distribution over the entire side surface of the bristle trim however arranged regularly.
  • the jacket in structured in the same way as for an entire bristle stock or one for bristle groups such trimming has been described.
  • the jacket of the bristle 3 is with provided oblique structures 5, while at 23 shows a zigzag-shaped line structure 5 is reproduced.
  • Fig. 25 shows a round brush with a cylindrical carrier 1. This can be, for example, the head of one Hairbrush to a technical brush or the like act.
  • a cylindrical carrier 1 At the carrier 1 are cylindrical cylindrical Groups 16 of bristles attached by their free end forth with parallel structures 5 are provided.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Brushes (AREA)

Claims (18)

  1. Procédé de fabrication d'articles de brosserie (1) dans lequel des poils (3) individuels ou des groupes (9) de poils sont fixés à un support (2) selon une disposition prédéfinie pour former la garniture de poils souhaités, une partie au moins des poils de la garniture de poils étant traités au moyen de rayons lasers, caractérisé en ce que dans la disposition prédéfinie ou dans la garniture de poils (4) montée, est structurée au moins une partie des poils (3) au niveau de leur enveloppe par des rayons lasers sans contact.
  2. Procédé selon la revendication 1, caractérisé en ce que les poils sont structurés de manière régulière.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les extrémités libres d'au moins une partie des poils sont raccourcies par des rayons lasers en enlevant sans contact de la matière aux extrémités libres des poils (3) de la disposition prédéfinie ou de la garniture de poils en place.
  4. Procédé selon la revendication 3, caractérisé en ce que les poils (3) raccourcis sont arrondis à leurs extrémités libres par une contrainte thermique au moment du traitement au laser.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les poils (3) sont profilés au niveau de leur enveloppe ou raccourcis à leurs extrémités par enlèvement de matière en raison de la décomposition thermique de la matière synthétique.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les poils (3) sont structurés au niveau de leur enveloppe par moussage de la matière synthétique.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que dans le cas de poils à deux composants, formés d'au moins un noyau et d'une gaine entourant concentriquement celui-ci, seule la gaine est structurée par les rayons lasers.
  8. Procédé selon la revendication 7, caractérisé en ce que la gaine est structurée jusqu'au noyau par enlèvement localisé de la matière dont est formée l'enveloppe.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les poils sont structurés au niveau de leur enveloppe jusqu'à une profondeur d'environ 10 % de la section transversale du poil.
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que sont raccourcies les extrémités libres des poils (3) situés sensiblement sur des lignes (7,8,9,13,14,15) de la surface de la disposition prédéfinie ou de la garniture de poils en place.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que sont raccourcies les extrémités libres de poils (3) contigus en formant une surface enveloppe (6) en gradins des extrémités de poils.
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que les extrémités libres de groupes (6) individuels de poils (3) sont raccourcies.
  13. Procédé selon l'une quelconque des revendications 1 à 12, caractérisé en ce que sont raccourcies les extrémités libres des poils (3) d'un groupe individuel (10, 11) en formant une surface enveloppe se différenciant d'un plan.
  14. Procédé selon l'une quelconque des revendications 1 à 13, caractérisé en ce que dans la disposition prédéfinie ou dans la garniture de poils en place seuls les poils situés à l'extérieur sont structurés au niveau de leur enveloppe.
  15. Procédé selon l'une quelconque des revendications 1 à 14, caractérisé en ce que dans la disposition prédéfinie ou dans la garniture de poils en place on dégage des poils situés à l'intérieur en divisant et en déviant sur le côté des poils et en ce que l'on structure ces poils au niveau de leur enveloppe.
  16. Procédé selon l'une quelconque des revendications 1 à 15, caractérisé en ce que pour fabriquer l'article de brosserie on utilise des poils (3) comportant des produits de remplissage absorbant les rayons lasers.
  17. Procédé selon l'une quelconque des revendications 1 à 16, caractérisé en ce que la structure (5) obtenue par le traitement au laser est visualisée par un changement de couleur de la matière synthétique.
  18. Procédé selon l'une quelconque des revendications 1 à 16, caractérisé en ce que la structure (5) obtenue par le traitement au laser est visualisée dans la matière synthétique des poils (3) par des produits de remplissage réagissant aux rayons lasers par un changement de couleur.
EP01980341A 2000-09-19 2001-09-05 Procede pour produire des articles de brosserie Expired - Lifetime EP1318735B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10046536 2000-09-19
DE10046536A DE10046536A1 (de) 2000-09-19 2000-09-19 Verfahren zur Herstellung von Borstenwaren
PCT/EP2001/010218 WO2002024026A1 (fr) 2000-09-19 2001-09-05 Procede pour produire des articles de brosserie

Publications (2)

Publication Number Publication Date
EP1318735A1 EP1318735A1 (fr) 2003-06-18
EP1318735B1 true EP1318735B1 (fr) 2004-07-28

Family

ID=7656924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01980341A Expired - Lifetime EP1318735B1 (fr) 2000-09-19 2001-09-05 Procede pour produire des articles de brosserie

Country Status (23)

Country Link
US (2) US20030178885A1 (fr)
EP (1) EP1318735B1 (fr)
JP (1) JP2004508863A (fr)
KR (1) KR20030032040A (fr)
CN (1) CN1461191A (fr)
AR (1) AR041492A1 (fr)
AT (1) ATE271807T1 (fr)
AU (1) AU2002212206A1 (fr)
BR (1) BR0113947A (fr)
CA (1) CA2422001A1 (fr)
DE (2) DE10046536A1 (fr)
EG (1) EG23017A (fr)
ES (1) ES2225618T3 (fr)
HU (1) HUP0302267A3 (fr)
IL (1) IL154757A0 (fr)
MX (1) MXPA03002336A (fr)
NO (1) NO20031229L (fr)
PL (1) PL360545A1 (fr)
RU (1) RU2283607C2 (fr)
SK (1) SK3282003A3 (fr)
WO (1) WO2002024026A1 (fr)
YU (1) YU19403A (fr)
ZA (1) ZA200301747B (fr)

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EP3223653B1 (fr) 2014-12-23 2021-02-24 Colgate-Palmolive Company Instrument de soin buccal ayant un manche à multiples éléments
CN110338553B (zh) 2014-12-23 2021-06-22 高露洁-棕榄公司 具有多部件柄部的口腔护理器具
AU2014414825B2 (en) 2014-12-23 2018-04-12 Colgate-Palmolive Company Oral care implement
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MX385119B (es) 2014-12-23 2025-03-14 Colgate Palmolive Co Implemento para el cuidado bucal.
USD780457S1 (en) 2014-12-23 2017-03-07 Colgate-Palmolive Company Oral care implement
US10687610B2 (en) 2014-12-23 2020-06-23 Colgate-Palmolive Company Oral care implement
CA2970677C (fr) 2014-12-23 2022-05-24 Colgate-Palmolive Company Accessoire de soins buccaux
MX393731B (es) 2014-12-23 2025-03-24 Colgate Palmolive Co Implemento para el cuidado bucal.
CA2970625C (fr) 2014-12-23 2023-08-15 Colgate-Palmolive Company Accessoire de soins bucco-dentaires comportant un manche a composants multiples
AU2014414808B2 (en) 2014-12-23 2018-04-12 Colgate-Palmolive Company Oral care implement
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US10631964B2 (en) 2017-12-12 2020-04-28 Colgate-Palmolive Company Oral care implement
USD846883S1 (en) 2017-12-12 2019-04-30 Colgate-Palmolive Company Handle of an oral care implement
US10709533B2 (en) 2017-12-12 2020-07-14 Colgate-Palmolive Company Oral care implement and handle and refill head thereof
EP3598920A1 (fr) * 2018-07-26 2020-01-29 Trisa Holding AG Étiquetage / impression d'éléments d'application et / ou de nettoyage
EP3656250A1 (fr) * 2018-11-21 2020-05-27 Curaden AG Tête de brosse à dents
USD891784S1 (en) 2018-12-18 2020-08-04 Colgate-Palmolive Company Electric toothbrush handle
USD960582S1 (en) 2020-12-10 2022-08-16 Colgate-Palmolive Company Oral care refill head
EP4652895A1 (fr) * 2024-05-22 2025-11-26 The Procter & Gamble Company Tête pour instrument de soins buccaux et instrument de soins buccaux
EP4652894A1 (fr) * 2024-05-22 2025-11-26 The Procter & Gamble Company Tête pour instrument de soins buccaux et instrument de soins buccaux

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Also Published As

Publication number Publication date
CA2422001A1 (fr) 2003-03-12
NO20031229D0 (no) 2003-03-17
AU2002212206A1 (en) 2002-04-02
EP1318735A1 (fr) 2003-06-18
HUP0302267A3 (en) 2005-01-28
EG23017A (en) 2003-12-31
CN1461191A (zh) 2003-12-10
HUP0302267A2 (hu) 2003-10-28
YU19403A (sh) 2004-09-03
ZA200301747B (en) 2004-03-03
BR0113947A (pt) 2003-07-29
US20030178885A1 (en) 2003-09-25
DE10046536A1 (de) 2002-03-28
DE50103033D1 (de) 2004-09-02
MXPA03002336A (es) 2003-06-24
SK3282003A3 (en) 2003-07-01
ES2225618T3 (es) 2005-03-16
KR20030032040A (ko) 2003-04-23
WO2002024026A1 (fr) 2002-03-28
AR041492A1 (es) 2005-05-18
US20060186725A1 (en) 2006-08-24
NO20031229L (no) 2003-03-17
IL154757A0 (en) 2003-10-31
JP2004508863A (ja) 2004-03-25
PL360545A1 (en) 2004-09-06
RU2283607C2 (ru) 2006-09-20
ATE271807T1 (de) 2004-08-15

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