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WO2002024026A1 - Procede pour produire des articles de brosserie - Google Patents

Procede pour produire des articles de brosserie Download PDF

Info

Publication number
WO2002024026A1
WO2002024026A1 PCT/EP2001/010218 EP0110218W WO0224026A1 WO 2002024026 A1 WO2002024026 A1 WO 2002024026A1 EP 0110218 W EP0110218 W EP 0110218W WO 0224026 A1 WO0224026 A1 WO 0224026A1
Authority
WO
WIPO (PCT)
Prior art keywords
bristles
bristle
structured
shortened
jacket
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.)
Ceased
Application number
PCT/EP2001/010218
Other languages
German (de)
English (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
Priority to CA002422001A priority Critical patent/CA2422001A1/fr
Priority to SK328-2003A priority patent/SK3282003A3/sk
Priority to HU0302267A priority patent/HUP0302267A3/hu
Priority to IL15475701A priority patent/IL154757A0/xx
Priority to DE50103033T priority patent/DE50103033D1/de
Priority to AT01980341T priority patent/ATE271807T1/de
Priority to JP2002528071A priority patent/JP2004508863A/ja
Priority to KR10-2003-7003904A priority patent/KR20030032040A/ko
Priority to MXPA03002336A priority patent/MXPA03002336A/es
Application filed by Coronet Werke GmbH filed Critical Coronet Werke GmbH
Priority to BR0113947-9A priority patent/BR0113947A/pt
Priority to EP01980341A priority patent/EP1318735B1/fr
Priority to AU2002212206A priority patent/AU2002212206A1/en
Priority to PL36054501A priority patent/PL360545A1/xx
Publication of WO2002024026A1 publication Critical patent/WO2002024026A1/fr
Priority to NO20031229A priority patent/NO20031229L/no
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/08—Preparing uniform tufts of bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • 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 process for the production of bristle goods, in which individual or grouped bristles are fastened to a carrier in a predetermined arrangement to form the desired bristle trimmings, at least some of the bristles of the bristle trimmings being structured on their jacket by machining ,
  • the invention relates to a method for the production of bristle goods, in which individual or grouped bristles are attached to a carrier in a specific arrangement to form the desired bristle stock, the free ends of at least some of the bristles being shortened by machining.
  • Bristle goods usually consist of a more or less regular bristle stock, in which they form the bristles have a smooth surface on their jacket, while the free bristle ends lie in a flat or in a continuously or discontinuously curved envelope surface.
  • the bristle ends primarily fulfill the task of producing a cleaning, grinding or polishing effect by mechanical attack on the surface, while the sheath of the bristles primarily fulfills a wiping effect.
  • the need to provide a large number of bristles within a bristle stock essentially results from the requirement for effective and, above all, flat cleaning.
  • the sheath of the bristles is essentially only effective as intended during the brushing process, as it concerns the bristles lying on the outside in the bristle stock, while the inside bristles essentially only provide a supporting effect for the bristles with one another and fulfill the additional task of application media or media that are important for the brushing effect in the narrow capillaries between the bristles.
  • the monofilaments are then gathered into strands.
  • the bristles are cut to length from the strand as desired. Since the monofilaments move axially to one another when they are brought together to form the strand, no locally defined structure can be produced on the bristles assembled to form bristles.
  • the bristles which are somewhat rough due to their structure, are difficult to handle in the usual division into groups, for example bundles. As a result, the number of bristles in a bundle fluctuates greatly. With this method, it is also not possible to arrange the structured bristles only in the outer region of a bristle stock, where they have the greatest effect. In contrast, the internal bristles with their structure are less effective or even ineffective. In this respect, unnecessarily much material is structured and possibly also weakened in monofilament treatment. In addition, the production process in the manufacture of monofilaments is slowed down by laser processing.
  • the invention is based on the object of proposing a method for producing bristle products with the aid of which the sheath of the bristles can be structured in any, but reproducible, manner before or after they are attached to the bristle carrier. Furthermore, it should be possible to shorten the bristle ends to form any, but reproducible, envelope surfaces of the bristle ends.
  • the first part of the object of the invention is achieved in that at least some of the bristles are structured in a contactless manner by means of laser beams on the predetermined arrangement or on the attached bristle stock.
  • Today's laser technology enables the effects of the laser beam to be localized very precisely and the effect on the smallest areas down to individual points or Focus lines. Furthermore, it gives the possibility of an adaptation to the material to be treated and allows an exact adjustment of the depth effect depending on the material.
  • the use of laser energy according to the invention consequently enables defined and regular structures, preferably in a geometric arrangement, to be produced on the sheath of the bristles of a bristle set.
  • the mechanical effect of the structures can also be influenced by precise control of the depth effect of the laser beams. Since the process works without contact, reproducible structures can be created regardless of the flexibility of the bristles. This applies in particular to bristles made of plastic, even if the invention is not limited to this material.
  • Laser technology also gives the possibility of structuring the type and
  • the structures also improve the absorption capacity for cleaning or application media, which are emitted perfectly due to the smooth surface of the structures and can also be washed out without any problems.
  • the structures also increase the effect of massage on toothbrushes and body brushes and on technical brushes with abrasive substances in the bristles the abrasive effect on the structure edges.
  • the method according to the invention can also be used for the formation of "topographies" of the bristle stock in that the bristles are shortened at their free ends by means of laser beams without contact.
  • the finest structures for example punctiform or linear depressions
  • the envelope surface Has steps of any kind that have an additional scraping or scratching effect when brushing.
  • the laser source is controlled in such a way that the bristles are rounded at their free ends during the laser treatment by thermal stress. While the structuring takes place essentially by evaporation or gasification of the plastic by means of the laser energy introduced, it has surprisingly been found that when the bristles are shortened from the free bristle end, the bristle end is - as always desired - rounded like a dome. The reason for this is that the molecules in the bristle, which are linearly oriented due to the monofilament production, are thermally stressed at the point exposed to laser beams and the molecules reorient themselves into their rearranged shape.
  • the laser source is also designed depending on the respective material, preferably a plastic, in such a way that the bristles on their jacket are profiled by material removal due to thermal decomposition of the plastic.
  • a plastic preferably a plastic
  • This has the advantage over all mechanical processing methods that no frayed structures that lead to material tears when using the bristle goods, which in turn can lead to incompatibilities with hygienic brushes, especially toothbrushes, with foreign brush inclusions and irregularities in the application layer.
  • machining always removed material residues remain on the bristles, which require a subsequent cleaning and cleaning process without is there ⁇ guaranteed by a one hundred percent success.
  • Such a cleaning can also be omitted in the method according to the invention.
  • the bristles are structured on their jacket by foaming the plastic. Practical tests have shown that the laser treatment in the plastic leads to the formation of bubbles, which shows up as bumps on the surface of the mantle of the bristle. This foaming can be controlled by fillers, laser guidance, etc.
  • Two- or multi-component bristles consist of a core and a shell. They are used in particular to display consumption, in that the core and shell are of different colors and the initially single-colored bristles reveal a different color effect with increasing wear at the bristle end, which is representative of the degree of wear.
  • the shell is structured by the laser beams. The shell can be structured down to the core by locally removing the shell material.
  • the invention provides that the bristles are structured on their jacket only to a depth of up to 10% of the bristle cross section.
  • the depth and the local arrangement of the structures within the bristle stock can be selected so that the static properties of the individual bristle and of the entire bristle stock are retained to the extent required in each case.
  • the free ends of the bristles can be in a substantially linear shape Patterns are cut.
  • This linear pattern can be adapted to the usual directions of movement for the respective bristle product in order to bring the "topography” to optimum effect.
  • the method according to the invention can be carried out on the prepared bristle arrangement or on the attached bristle stock. Only external bristles can be structured on their jacket.
  • bristles lying further inside by dividing and laterally deflecting bristles (DE 198 32 436, EP 0 736 270) and to structure these on their jacket.
  • bristles Even if the majority of the plastics suitable for bristles can be structured to a greater or lesser extent by laser radiation, it may be advisable to use bristles with fillers which absorb laser beams, as a result of which the structuring can be controlled more easily and in a more targeted manner.
  • the fillers can also be provided only in certain cross-sectional areas of the bristles, for example close to the jacket, or in the case of bristles with a profiled cross-section in the outer profile areas. This results in particular with polygonal cross cut shapes in connection with the structuring according to the invention in the area of the polygon edges particularly intensive mechanical effects when brushing.
  • the structuring generated during the laser treatment can be carried out simultaneously. discoloration of the plastic, the structure can be visualized. Instead or in addition, the structure generated during laser treatment can be visualized by fillers in the plastic of the bristles that react to laser beams with a color change.
  • Fig. 7 u. 8 shows a toothbrush head in side view with structures on the bristle jacket and a topography in the bristle ends;
  • FIGS. 12 to 14 are perspective views of a toothbrush head with different structures or "topographies";
  • 22 to 24 are each a view of a structured
  • 25 is a perspective view of a round brush.
  • the toothbrush 1 reproduced in detail in the drawings forms with its head 2 a carrier for bristles 3 which, in the exemplary embodiments according to FIGS. 1 to 12, are only attached to the carrier 2 standing individually, so that the bristle stock 4 consists of a relatively dense pack of bristles with narrow capillaries between them.
  • structures 5 in the form of parallel lines have been produced by means of laser beams by removing material from the bristle shell.
  • the structuring according to Fig.l results in particularly favorable effects with the so-called red and white cleaning method.
  • FIG. 2 which likewise shows a bristle stocking 4 consisting of individually standing bristles 3
  • structures 5 in the form of wavy lines are incorporated by means of laser beams, which have a smaller width than in FIG.
  • the structures 5 are incorporated on the outer bristles of the bristle trimmings 4 in the manner of oblique hatching and in the exemplary embodiment in accordance with FIG. 4 in the manner of cross hatching.
  • the exemplary embodiments according to FIGS. 2 to 4 are suitable for any tooth brushing method.
  • FIG. 5 shows structures 5 on the external bristles in the form of circular, flat depressions
  • FIG. 6 shows structures 5 in the form of circular lines.
  • the bristles 3 of the bristle trimmings 4 are of different lengths, namely longer in the region of the front end of the brush head 2 than in the remaining region of the bristle trimmings, so that a "topography" with a step in the front region is formed , Structures 5, similar to FIG. 1, are worked into the jacket of the exposed bristles only in this front area.
  • the bristle stock 4 has a "topography", in which the ends of part of the bristles 3 in one plane and the ends of the other part of the bristles, which each form a group 6, in one opposite the bristle carrier 2 are higher level.
  • the projecting bristles of group 6 are provided with linear structures.
  • FIG. 9 to 11 show a toothbrush head 2 with the bristle trim 4 each in a top view of the free ends of the bristles 3.
  • the outer contour of the bristle stock 4 roughly follows the contour of the toothbrush head 2.
  • the bristles 3 are shortened in a regular pattern in the manner of a cross hatch for 8, while in the embodiment according to FIG. 11 they are shortened along the line 9.
  • FIG. 12 shows a perspective view of a toothbrush head 2, in which the outer bristles in turn have a structure 5 of parallel lines on their jacket and at the same time the bristles in the region of the front end of the head are shortened in the form of a cross hatch.
  • the bristle trim 4 consists of groups 9 of bristles which are designed as round bundles.
  • the brush head has two groups 10 and 11, in which the free bristle ends have been shortened to different extents by means of laser beams, so that the groups 10 and 11 taper differently at their free ends.
  • the bristles lying on the conical surface can also be structured on their jacket.
  • the bristle stock 1 again consists of groups 9 of bristles in the form of cylindrical bundles, while a group 12 of individually standing bristles is arranged in the front region of the bristle head.
  • a group 12 of individually standing bristles is arranged in the front region of the bristle head.
  • only the bristles 3 of this group 12 are provided with linear structures 5 which run parallel to one another.
  • 15 to 17 show the top view of the bristle trimmings 4 of round-head brushes, such as are used in particular for electric toothbrushes.
  • the bristles 3 are shortened along concentric rings 13, while in the exemplary embodiment according to FIG. 16 the bristles 3 are shortened in such a way that a spiral topography arises.
  • the bristles are shortened along radial 15.
  • the exemplary embodiments according to FIGS. 16 and 17 particularly support the effect of the free bristle ends when the brush head rotates about its central axis.
  • FIGS. 13 and 14 show a toothbrush head 2 similar to FIGS. 13 and 14, the bristle trim 4 of which is formed from groups 9 of bristles, which are designed as round bundles, and a bristle group 12 arranged at the front end.
  • the front bristle group 12 consists of individual bristle strips which are arranged in a star shape, the individual strips having parallel structures 5 which are arranged essentially perpendicular to the bristle axis.
  • the individual structures 5, which have been produced on the jacket of the outer bristles of the bristle set 4 by laser beams, are irregular, but are regularly arranged in the statistical distribution over the entire side surface of the bristle set.
  • the sheath can be structured in the same way as has been described above for an entire bristle stock or for bristle groups of such a stock.
  • the jacket of the bristle 3 is provided with obliquely running structures 5, while in the exemplary embodiment according to FIG. 23 a zigzag-shaped line structure 5 is shown.
  • the bristle 3 can be structured in a cross hatch. 25 shows a round brush with a cylindrical carrier 1. This can be, for example, the head of a hairbrush, a technical brush or the like.
  • Radial cylindrical groups 16 of bristles are attached to the carrier 1 and are provided with parallel structures 5 from their free end.

Landscapes

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

Abstract

L'invention concerne un procédé pour produire des articles de brosserie. Selon ce procédé, des poils en matière synthétique, individuels ou regroupés, sont fixés sur un support selon un agencement prédéfini, de manière à former la garniture de poils souhaitée. Au moins une partie des poils de l'agencement prédéfini ou de la garniture fixée est structurée sans contact au moyen de rayons laser et de préférence de manière régulière. Au niveau de leurs extrémités libres, les poils sont raccourcis sans contact au moyen des rayons laser. Ce procédé permet de créer, de manière reproductible, des structures facilitant l'action nettoyante de la garniture de poils à l'extérieur et au sommet de cette dernière.
PCT/EP2001/010218 2000-09-19 2001-09-05 Procede pour produire des articles de brosserie Ceased WO2002024026A1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
MXPA03002336A MXPA03002336A (es) 2000-09-19 2001-09-05 Procedimiento para la confeccion de articulos con cerdas.
HU0302267A HUP0302267A3 (en) 2000-09-19 2001-09-05 Method for producing bristle products
IL15475701A IL154757A0 (en) 2000-09-19 2001-09-05 Method for producing bristle products
DE50103033T DE50103033D1 (de) 2000-09-19 2001-09-05 Verfahren zur herstellung von borstenwaren
AT01980341T ATE271807T1 (de) 2000-09-19 2001-09-05 Verfahren zur herstellung von borstenwaren
JP2002528071A JP2004508863A (ja) 2000-09-19 2001-09-05 ブラシ製品の製造方法
KR10-2003-7003904A KR20030032040A (ko) 2000-09-19 2001-09-05 강모제품들을 생산하는 방법
CA002422001A CA2422001A1 (fr) 2000-09-19 2001-09-05 Procede pour produire des articles de brosserie
BR0113947-9A BR0113947A (pt) 2000-09-19 2001-09-05 Método para a produção de escovas
SK328-2003A SK3282003A3 (en) 2000-09-19 2001-09-05 Method for producing bristle products
EP01980341A EP1318735B1 (fr) 2000-09-19 2001-09-05 Procede pour produire des articles de brosserie
AU2002212206A AU2002212206A1 (en) 2000-09-19 2001-09-05 Method for producing bristle products
PL36054501A PL360545A1 (en) 2000-09-19 2001-09-05 Method for producing bristle products
NO20031229A NO20031229L (no) 2000-09-19 2003-03-17 Fremgangsmåte for fremstilling av börstevarer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10046536.6 2000-09-19
DE10046536A DE10046536A1 (de) 2000-09-19 2000-09-19 Verfahren zur Herstellung von Borstenwaren

Publications (1)

Publication Number Publication Date
WO2002024026A1 true WO2002024026A1 (fr) 2002-03-28

Family

ID=7656924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/010218 Ceased WO2002024026A1 (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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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

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WO2008125987A2 (fr) * 2007-04-12 2008-10-23 Alcan Packaging Beauty Services Brosse d'application cosmetique et procede de fabrication associe
DE102007047066B4 (de) * 2007-10-01 2016-08-11 Zahoransky Ag Bürstenherstellungsmaschine
DE102010014928A1 (de) * 2010-04-14 2011-10-20 Synpart Ag Zahnbürste
PL2810583T5 (pl) 2013-06-06 2025-09-08 The Procter And Gamble Company Główka przyrządu do higieny jamy ustnej
US9636197B2 (en) * 2014-11-06 2017-05-02 Gurmeet KHANGURA Apparatus for user having teeth
MX2017007850A (es) 2014-12-23 2017-09-19 Colgate Palmolive Co Implemento para el cuidado bucal.
RU2647813C1 (ru) 2014-12-23 2018-03-19 Колгейт-Палмолив Компани Приспособление для ухода за полостью рта, содержащее многокомпонентную ручку
USD780457S1 (en) 2014-12-23 2017-03-07 Colgate-Palmolive Company Oral care implement
CN107105873B (zh) 2014-12-23 2020-01-14 高露洁-棕榄公司 具有多部件柄部的口腔护理器具
US10687610B2 (en) 2014-12-23 2020-06-23 Colgate-Palmolive Company Oral care implement
EP3223657B1 (fr) 2014-12-23 2022-12-07 Colgate-Palmolive Company Accessoire de soins buccaux
CA2970708C (fr) 2014-12-23 2022-05-24 Colgate-Palmolive Company Instrument de soin buccal
BR112017010357A2 (pt) 2014-12-23 2018-07-03 Colgate Palmolive Co instrumento para higiene bucal tendo cabo com múltiplos componentes
CN107105876A (zh) 2014-12-23 2017-08-29 高露洁-棕榄公司 口腔护理器具
EP3223660B1 (fr) 2014-12-23 2019-08-07 Colgate-Palmolive Company Instrument de soin buccal
US11291293B2 (en) 2014-12-23 2022-04-05 Colgate-Palmolive Company Oral care implement
US10182644B2 (en) 2014-12-23 2019-01-22 Colgate-Palmolive Company Oral care implement
SE542303C2 (en) * 2017-08-17 2020-04-07 Tepe Munhygienprodukter Ab Method and apparatus for end rounding bristles
USD846883S1 (en) 2017-12-12 2019-04-30 Colgate-Palmolive Company Handle of an oral care implement
US10631964B2 (en) 2017-12-12 2020-04-28 Colgate-Palmolive Company Oral care implement
US10709533B2 (en) 2017-12-12 2020-07-14 Colgate-Palmolive Company Oral care implement and handle and refill head thereof
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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WO2020020793A3 (fr) * 2018-07-26 2020-04-23 Trisa Holding Ag Marquage/impression d'éléments d'applications et/ou de nettoyage
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DE50103033D1 (de) 2004-09-02
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HUP0302267A2 (hu) 2003-10-28
JP2004508863A (ja) 2004-03-25
MXPA03002336A (es) 2003-06-24
CA2422001A1 (fr) 2003-03-12
US20030178885A1 (en) 2003-09-25
RU2283607C2 (ru) 2006-09-20
HUP0302267A3 (en) 2005-01-28
SK3282003A3 (en) 2003-07-01
AR041492A1 (es) 2005-05-18
EP1318735B1 (fr) 2004-07-28
NO20031229D0 (no) 2003-03-17
DE10046536A1 (de) 2002-03-28
CN1461191A (zh) 2003-12-10
US20060186725A1 (en) 2006-08-24
EG23017A (en) 2003-12-31
EP1318735A1 (fr) 2003-06-18
PL360545A1 (en) 2004-09-06
ES2225618T3 (es) 2005-03-16
ATE271807T1 (de) 2004-08-15
NO20031229L (no) 2003-03-17
YU19403A (sh) 2004-09-03
AU2002212206A1 (en) 2002-04-02
BR0113947A (pt) 2003-07-29
KR20030032040A (ko) 2003-04-23

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