EP2298122B1 - Verfahren zur Herstellung von Bürsten, insbesondere Zahnbürsten - Google Patents

Verfahren zur Herstellung von Bürsten, insbesondere Zahnbürsten Download PDF

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Publication number
EP2298122B1
EP2298122B1 EP10007873.2A EP10007873A EP2298122B1 EP 2298122 B1 EP2298122 B1 EP 2298122B1 EP 10007873 A EP10007873 A EP 10007873A EP 2298122 B1 EP2298122 B1 EP 2298122B1
Authority
EP
European Patent Office
Prior art keywords
fiber bundles
soft
carrier platelet
carrier
platelet
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.)
Active
Application number
EP10007873.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2298122A2 (de
EP2298122A3 (de
Inventor
Bart Gérard Boucherie
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.)
GB Boucherie NV
Original Assignee
GB Boucherie NV
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 GB Boucherie NV filed Critical GB Boucherie NV
Publication of EP2298122A2 publication Critical patent/EP2298122A2/de
Publication of EP2298122A3 publication Critical patent/EP2298122A3/de
Application granted granted Critical
Publication of EP2298122B1 publication Critical patent/EP2298122B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B3/00Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/04Brushes 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
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B3/00Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/22Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier rubber bristles being fixed in or on brush bodies
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/06Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B2200/00Brushes characterized by their functions, uses or applications
    • A46B2200/10For human or animal care
    • A46B2200/1066Toothbrush for cleaning the teeth or dentures

Definitions

  • the invention relates to a method for producing brushes, in particular toothbrushes.
  • the WO 2010/025820 A2 shows a method for producing a brush, in which after the bristles of a carrier plate soft elastic elements are molded onto the carrier plate.
  • FIG. 1 a is the top view of a carrier plate 10 made of a relatively hard plastic having a generally oval shape corresponding to the head of a toothbrush. It is integrally formed in a two-component injection molding tool with soft-elastic pin-shaped elements 12 made of an elastomeric material and with a group of bundle holes 14 whose arrangement corresponds to a desired bristle image.
  • Fig. 2a is a corresponding perspective view.
  • the carrier plate 10 is introduced with the molded soft elastic elements 12 in an anchorless bristle tool.
  • There fiber bundles 16 are inserted into the bundle holes 14 and secured to the carrier plate 10 by the pushed ends of the fiber bundles 16 are melted on the back of the carrier plate by the action of heat.
  • the carrier plate 10 is introduced with the soft elastic elements 12 and the attached fiber bundles 16 in a cavity of an injection mold in which a brush body 18 or a part thereof is molded onto the carrier plate 10.
  • the brush body 18 may surround the carrier plate 10 at its outer edge, so that it is partially encapsulated with the plastic mass of the brush body.
  • This third manufacturing step can be carried out in multi-component injection molding be so that, for example, brush handles or brush handles can be provided with embedded decorative elements, lettering or functional parts.
  • the pin-shaped soft elastic elements 12 are arranged in two groups to four elements at the outer longitudinal edges of the carrier plate 10.
  • a single generally cross-shaped soft-elastic element 22 made of elastomeric material is formed on the carrier plate 20, which is surrounded by fiber bundles 26 inserted into bundle holes 24. Otherwise, the manufacturing steps are the same as in the Figures 1 and 2 and therefore will not be described again.
  • the carrier plate 110 is provided with a raised outer edge 110a and has as in the embodiment according to Fig. 1 and Fig. 2 Through holes for pin-shaped elements 112 made of elastomeric material and continuous bundle holes 114 for fiber bundles 116.
  • the elastomeric mass of the elements 112 on the back of the carrier plate 110 forms a continuous strand of material 112 a, which connects the attachment ends of the elements 112.
  • Fig. 6 additionally shows the fiber bundles 116 inserted into the bundle holes 114, the attachment ends of which then follow as in FIG Fig. 7 are merged and form a continuous mass layer 116a on the back side of the carrier plate 110.
  • a mass layer 120 introduced in the outside of the raised outer edge 110a of the carrier plate and the bottom side through the ground layer 116a and the material strand 112a limited volume is then according to Fig. 8 .
  • the ground layer 120 functions as a barrier against the passage of plasticized mass in the subsequent manufacturing step, in which a brush handle 118 is molded onto the carrier plate 110 or this is encapsulated with the mass of the brush handle.
  • the injection pressure required in this production step can-without the barrier through a mass layer 120-cause plasticized mass to penetrate into any free spaces remaining between fiber bundles 116 and bundle holes 114 and possibly even escape on the outside of the carrier plate.
  • the sprayed at moderate pressure mass layer 120 which may consist of a non-critical material, reliably prevents the passage of sprayed mass in the bundle holes when spraying the brush handle so that this manufacturing step can be done with optimally adjusted injection pressure.
  • the ground layer 120 is completely encapsulated by the mass of the brush handle 118 and thus hidden inside the brush head.
  • one or more surface areas of the ground layer 120 are not covered by the brush handle and appear visible and possibly also haptic in appearance, for example, the ground layer 120 is specially colored or shaped or consists of a special material such as elastomer.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Brushes (AREA)
EP10007873.2A 2009-08-31 2010-07-28 Verfahren zur Herstellung von Bürsten, insbesondere Zahnbürsten Active EP2298122B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910039514 DE102009039514A1 (de) 2009-08-31 2009-08-31 Verfahren zur Herstellung von Bürsten, insbesondere Zahnbürsten

Publications (3)

Publication Number Publication Date
EP2298122A2 EP2298122A2 (de) 2011-03-23
EP2298122A3 EP2298122A3 (de) 2012-06-06
EP2298122B1 true EP2298122B1 (de) 2016-08-31

Family

ID=43227989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10007873.2A Active EP2298122B1 (de) 2009-08-31 2010-07-28 Verfahren zur Herstellung von Bürsten, insbesondere Zahnbürsten

Country Status (3)

Country Link
EP (1) EP2298122B1 (zh)
CN (1) CN101999798B (zh)
DE (1) DE102009039514A1 (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2865007A1 (en) * 2012-03-09 2013-09-12 Robert Moskovich Method of forming a head plate and formation of oral care implement using the same
US20150150367A1 (en) * 2012-06-20 2015-06-04 Colgate-Palmolive Company Oral care implement and method of forming the same
CN105326202A (zh) * 2014-08-07 2016-02-17 张波 一种带有新型刷头的能储存牙膏的牙刷
EP3262974B1 (en) 2016-06-27 2024-06-12 The Procter & Gamble Company Method for producing toothbrush heads comprising a two-component-cleaning element
EP3262975B1 (en) 2016-06-28 2019-02-20 The Procter and Gamble Company Method of making brush
EP3753447A1 (en) 2019-06-21 2020-12-23 The Procter & Gamble Company Method for producing a toothbrush head or a part thereof
EP3753449A1 (en) 2019-06-21 2020-12-23 The Procter & Gamble Company Hole perforation plate for manufacturing of a toothbrush head and part thereof
EP3753448A1 (en) 2019-06-21 2020-12-23 The Procter & Gamble Company Method for producing a toothbrush head
EP3753446A1 (en) 2019-06-21 2020-12-23 The Procter & Gamble Company Cleaning element carrier and toothbrush head comprising it
CN112438480A (zh) * 2019-09-03 2021-03-05 广州皓醒湾科技有限公司 刷头及其制造方法
WO2021042635A1 (zh) * 2019-09-03 2021-03-11 广州皓醒湾科技有限公司 刷头及其制造方法及牙刷
CN113149425B (zh) * 2021-04-22 2022-11-11 重庆国际复合材料股份有限公司 一种玻璃纤维集束装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1259874C (zh) * 2001-08-24 2006-06-21 花王株式会社 牙刷的制造方法
DE10259723A1 (de) * 2002-12-19 2004-07-01 Trisa Holding Ag Zahnbürste und Verfahren zu deren Herstellung
DE102005024082A1 (de) * 2005-05-25 2006-11-30 M + C Schiffer Gmbh Bürste und Verfahren zu deren Herstellung
DE102006025043A1 (de) * 2006-05-26 2008-02-21 M + C Schiffer Gmbh Bürste und Verfahren zu deren Herstellung
DE102008039778A1 (de) * 2008-08-26 2010-03-04 Firma G.B. Boucherie N.V. Verfahren zur Herstellung von Bürsten, insbesondere Zahnbürsten

Also Published As

Publication number Publication date
CN101999798A (zh) 2011-04-06
EP2298122A2 (de) 2011-03-23
EP2298122A3 (de) 2012-06-06
CN101999798B (zh) 2015-02-18
DE102009039514A1 (de) 2011-03-03

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