EP2078472A1 - Stempel zum Pressen von Faserbündeln - Google Patents
Stempel zum Pressen von Faserbündeln Download PDFInfo
- Publication number
- EP2078472A1 EP2078472A1 EP09075002A EP09075002A EP2078472A1 EP 2078472 A1 EP2078472 A1 EP 2078472A1 EP 09075002 A EP09075002 A EP 09075002A EP 09075002 A EP09075002 A EP 09075002A EP 2078472 A1 EP2078472 A1 EP 2078472A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stamp
- fibres
- bundles
- holder
- contact surface
- 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
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
- A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
-
- 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
- A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
-
- 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 present invention concerns a stamp for pressing synthetic bundles of fibres on a holder, in particular for bundles of fibres of brushes.
- a brush is formed of a body to which a number of bundles of fibres are fixed.
- the bundles of fibres are usually fixed to a holder which is partially or entirely part of the brush body, or in some cases it may be the brush body itself.
- the holder contains holes in a certain pattern, whereby the diameter of the holes depends on the thickness of the fibre bundles, whereby holes of different diameters may be provided.
- Bundles of fibres are hereby put in a holder by means of a device, and the holder is carried to what is called a fusion module via a revolving table in order to fasten the bundles of fibres by fusing the far ends of the bundles of fibres that protrude from the holder.
- This fusing module can use different techniques, such as ultrasonic welding of the bundles of fibres.
- Another, simpler technique consists of mechanically pressing the bundles of fibres in or on the holder by means of a heated stamp.
- the far ends of the bundles of fibres are locally fused. If the far ends are long enough, a molten film can even be created between the heated stamp and the holder as the far ends of different bundles of fibres melt together. Next, the stamp is withdrawn and the molten far ends start to cure.
- stamps are typically rather thin.
- the stamps are heated up to a temperature which is dependent of the melting temperature of the material out of which the bundles of fibres are made, for example up to a temperature of 300°C, by sending a big electric current through them for a short duration, after which the stamps quickly cool down again.
- This technique is described in EP 1,136,017 .
- a disadvantage of this technique is that, due to the local melting, molten material may stick to the stamp and not to the holder as was intended, when the latter is withdrawn after the pressing. Thus, the bundles of fibres cannot be fixed that well to the holder. This disadvantage is all the more important as the holders get larger, and at present it bars this technique for household brushes.
- Another disadvantage is that the surface of the fused fibres is not entirely flat, such that covering with a cover plate or any other further processing, for example filling with injection moulding material, may be desirable or necessary.
- a further disadvantage is that microscopically small holes and pores may still be present in the mass of the fused fibres, which may cause the injection moulding material to leak during any further processing.
- the present invention aims to remedy one or several of the above-mentioned or other disadvantages.
- the invention concerns a stamp for melting and locally pressing bundles of fibres, whereby the stamp can be heated, characterised in that the stamp is at least partially formed of at least one layer of carbon on the contact surface where the stamp presses the bundles of fibres onto a holder.
- An advantage of a stamp according to the invention is that the stamp with the aforesaid layer of carbon can press the bundles of fibres on to a holder, after which the stamp can be withdrawn without any fibre bundle material sticking on the stamp.
- brushes can be manufactured in a more efficient and cheaper way with this stamp, whereby less energy is consumed and the stamps have a longer lifetime.
- the layer of carbon with which the stamp is provided is commonly more known as a layer of graphite.
- Graphite is a form of carbon element carbon and one of the softest materials.
- the crystalline structure is hexagonal. From an atomic point of view, it is formed of layers which can easily slide off one another. That is why it is also used as a dry lubricant.
- Figure 1 schematically represents the stamp 1 according to the invention, which in this case is made of solid graphite.
- a layer of graphite with a certain thickness will be provided on the contact surface 2 of a stamp 1 which is part of a mechanical pressing device.
- graphite containing copper provides very good results.
- This composition which contains for example 20% of copper, is less brittle than pure graphite.
- said contact surface 2 is provided with a embossed pattern, but this is not necessarily so and, in most cases, a flat contact surface 2 is preferred.
- Figures 1 to 3 show that the stamp 1 is close to a holder 3 in which has been provided an amount of fibre bundles 4 through the holder 3 and whereby the far ends 5 of the bundles of fibres 4 protrude on the side of the stamp 1.
- the bundles of fibres 4 are hereby kept in place by a positioning device 6 and a device with pens 7.
- stamp 1 The functioning of a stamp 1 according to the invention is simple and as follows.
- Figure 1 shows that the stamp 1 is brought towards the holder 3 in a direction A in order to press the bundles of fibres 4 on the holder 3 with its contact surface 2, as shown in figure 2 .
- the stamp 3 is preferably heated, such that the far ends 5 of the bundles of fibres will locally fuse while the latter are being pressed on. Thus, the bundles of fibres 4 will be pressed onto the holder 3 in a more efficient way.
- the stamp 3 may for example be heated by means of electric heating elements which are not represented in the figures and which are provided in or under the stamp.
- the bundles of fibres 4 are formed for example of polyethylene terephthalate, polyvinyl chloride, polypropylene or nylon, and the bundles of fibres are either or not locally fused when at least their respective melting temperatures are reached.
- the stamp 1 is withdrawn in a direction B and removed from the holder 3, as shown in figure 2 .
- Figure 3 also shows that, thanks to the embossed pattern on the contact surface 2, the bundles of fibres 4 can be pressed on in a cleaner way as they fuse locally in the cavities of the relief pattern.
- the far ends 5 of the fibres of individual bundles of fibres 4 are hereby fused. It is also clear that the embossed pattern may have different shapes, depending on the desired pattern for the pressed-on material.
- Figure 4 shows how the holder 3 with pressed-on bundles of fibres 4 can subsequently be covered with a cover plate 8, whereby the holder 3 may be part of a brush body or may be the brush body itself.
- the cover plate 8 may be a separate part which is connected to the holder 3 by means of mounting, welding, gluing or other techniques, as is described for example in EP 0,972,464 .
- the cover plate 8 is directly provided on the holder 3 by means of injection moulding, as described in EP 0,972,465 .
- Figures 5 to 9 included schematically represent the successive steps of a method in which the stamp according to the invention is used, followed by a final pressing with a second stamp at a lower temperature.
- Figure 5 shows how the stamp 1 is brought to the holder 3 in a direction A so as to press the bundles of fibres 4 on the holder 3 with its contact surface 2, as shown in figure 6 .
- the stamp 1 is preferably heated, such that the far ends 5 of the bundles of fibres are locally fused while the stamp is being pressed on. As a result, the bundles of fibres 4 are pressed on the holder 3 more efficiently.
- the stamp 1 will be withdrawn in a direction B and removed from the holder 3, as shown in figure 7 .
- a colder stamp 16 is used for the final pressing, as represented in figures 7 to 9 .
- the method according to this alternative embodiment is as follows.
- the fusion by means of the heated stamp 1 is followed by a final pressing with a cold stamp 16.
- a cold stamp for example made of a metal such as steel or copper, either or not cooled externally, and against which the fibre mass then cools down.
- a further advantage is that, by pressing with the stamp 16, a smoother and more even surface of the solidified melt is obtained than if this was not the case.
- Another advantage is that, by pressing with the stamp 16, the fibre melt is compressed and is made more compact during the solidifying process. As a result, microscopically small holes and pores that might still be present in the melt are filled. This in turn results in a more homogenous fibre layer, so that there will be less leakage problems while injection moulding.
- Figure 5 shows a top view of material that has been pressed onto holder 3 and figure 6 also shows the bundles of fibres 4 in perspective. A specific pattern is used thereby which concentrates the bundles of fibres 4 on the outer side of the holder 3.
- Figure 12 shows how the holder 3 of figure 11 is covered with a cover plate 8 containing a connecting opening 9 for a brush handle.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE200800020A BE1017930A6 (nl) | 2008-01-10 | 2008-01-10 | Stempel voor het aandrukken van vezelbundels. |
BE200800178A BE1018061A6 (nl) | 2008-01-10 | 2008-03-25 | Stempel voor het aandrukken van vezelbundels. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2078472A1 true EP2078472A1 (de) | 2009-07-15 |
EP2078472B1 EP2078472B1 (de) | 2010-02-24 |
Family
ID=40651528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090075002 Not-in-force EP2078472B1 (de) | 2008-01-10 | 2009-01-05 | Stempel zum Pressen von Faserbündeln |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2078472B1 (de) |
DE (1) | DE602009000006D1 (de) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2215923A1 (de) * | 2009-02-04 | 2010-08-11 | GB Boucherie, naamloze vennootschap | Verfahren zur Herstellung von ankerlosen Bürsten, ganz besonders Zahnbürsten |
CN102273812A (zh) * | 2010-06-14 | 2011-12-14 | 松下电工株式会社 | 刷体以及具备该刷体的牙刷 |
CN103315517A (zh) * | 2012-03-19 | 2013-09-25 | 沙郎斯基股份公司 | 用于制造刷或者刷毛制品的设备以及刷或者刷毛制品 |
EP2674061A1 (de) * | 2012-06-12 | 2013-12-18 | Braun GmbH | Bürstenkopf und Verfahren und Werkzeug zu seiner Herstellung |
WO2013186674A1 (en) * | 2012-06-12 | 2013-12-19 | Braun Gmbh | Brush head and method and tool for producing the same |
BE1023148B1 (nl) * | 2015-07-13 | 2016-12-01 | Bart Gerard Boucherie | Verfahren und Vorrichtung zum Herstellen einer Bürste |
WO2017009353A1 (de) * | 2015-07-13 | 2017-01-19 | Gb Boucherie Nv | Verfahren und vorrichtung zum herstellen einer bürste |
BE1023625B1 (de) * | 2016-01-12 | 2017-05-19 | Bart Gerard Boucherie | Verfahren und Vorrichtung zum Herstellen einer Bürste |
US9681740B2 (en) | 2012-12-10 | 2017-06-20 | Colgate-Palmolive Company | Oral care implement |
EP2587959B1 (de) | 2010-07-02 | 2017-10-25 | GB Boucherie NV | Verfahren und vorrichtung zum herstellen von bürsten |
WO2017186371A1 (de) * | 2016-04-26 | 2017-11-02 | Gb Boucherie Nv | Verfahren und vorrichtung zum herstellen einer buerste |
US20200375349A1 (en) * | 2017-12-12 | 2020-12-03 | Koninklijke Philips N.V. | Brush head assembly and methods of manufacture |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3700388A1 (de) | 2017-10-24 | 2020-09-02 | Koninklijke Philips N.V. | Verfahren und vorrichtung zur herstellung eines bürstenkopfes |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0972464A1 (de) | 1998-07-14 | 2000-01-19 | Firma G.B. BOUCHERIE, naamloze vennootschap | Verfahren zum Herstellen von Bürsten sowie Bürstenherstellungsmaschine zur Durchführung dieses Verfahrens |
EP1136017A1 (de) | 2000-03-21 | 2001-09-26 | G.B. Boucherie, N.V. | Verfahren und Vorrichtung zum Verschmelzen von Faserenden |
US20070134488A1 (en) * | 2005-12-14 | 2007-06-14 | Osamu Hayakawa | Non-stick coating composition comprising diamond particles and substrate having the composition applied thereto |
-
2009
- 2009-01-05 EP EP20090075002 patent/EP2078472B1/de not_active Not-in-force
- 2009-01-05 DE DE200960000006 patent/DE602009000006D1/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0972464A1 (de) | 1998-07-14 | 2000-01-19 | Firma G.B. BOUCHERIE, naamloze vennootschap | Verfahren zum Herstellen von Bürsten sowie Bürstenherstellungsmaschine zur Durchführung dieses Verfahrens |
EP0972465A1 (de) | 1998-07-14 | 2000-01-19 | Firma G.B. BOUCHERIE, naamloze vennootschap | Verfahren zum Herstellen von Bürsten sowie Bürstenherstellungsmaschine zur Durchführung dieses Verfahrens |
EP1136017A1 (de) | 2000-03-21 | 2001-09-26 | G.B. Boucherie, N.V. | Verfahren und Vorrichtung zum Verschmelzen von Faserenden |
US20070134488A1 (en) * | 2005-12-14 | 2007-06-14 | Osamu Hayakawa | Non-stick coating composition comprising diamond particles and substrate having the composition applied thereto |
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1018439A3 (nl) * | 2009-02-04 | 2010-11-09 | Gb Boucherie Nv | Methode voor het produceren van ankerloze borstels, meer bepaald tandenborstels. |
EP2215923A1 (de) * | 2009-02-04 | 2010-08-11 | GB Boucherie, naamloze vennootschap | Verfahren zur Herstellung von ankerlosen Bürsten, ganz besonders Zahnbürsten |
CN102273812A (zh) * | 2010-06-14 | 2011-12-14 | 松下电工株式会社 | 刷体以及具备该刷体的牙刷 |
EP2587959B2 (de) † | 2010-07-02 | 2020-05-27 | GB Boucherie NV | Verfahren und vorrichtung zum herstellen von bürsten |
EP2587959B1 (de) | 2010-07-02 | 2017-10-25 | GB Boucherie NV | Verfahren und vorrichtung zum herstellen von bürsten |
CN103315517A (zh) * | 2012-03-19 | 2013-09-25 | 沙郎斯基股份公司 | 用于制造刷或者刷毛制品的设备以及刷或者刷毛制品 |
US9375077B2 (en) | 2012-03-19 | 2016-06-28 | Zahoransky Ag | Apparatus for the production of brushes or bristled-wares and brush or bristled-wares |
CN103315517B (zh) * | 2012-03-19 | 2017-08-25 | 沙郎斯基股份公司 | 用于制造刷或者刷毛制品的设备以及刷或者刷毛制品 |
CN104363791A (zh) * | 2012-06-12 | 2015-02-18 | 博朗有限公司 | 刷头以及用于制备所述刷头的方法和工具 |
CN104363791B (zh) * | 2012-06-12 | 2016-09-14 | 博朗有限公司 | 刷头以及用于制备所述刷头的方法和工具 |
WO2013186674A1 (en) * | 2012-06-12 | 2013-12-19 | Braun Gmbh | Brush head and method and tool for producing the same |
EP2674061A1 (de) * | 2012-06-12 | 2013-12-18 | Braun GmbH | Bürstenkopf und Verfahren und Werkzeug zu seiner Herstellung |
US9681740B2 (en) | 2012-12-10 | 2017-06-20 | Colgate-Palmolive Company | Oral care implement |
KR20180030869A (ko) * | 2015-07-13 | 2018-03-26 | 지비 부쉐리 엔브이 | 브러시 제조 방법 및 디바이스 |
CN111329227A (zh) * | 2015-07-13 | 2020-06-26 | Gb布舍里股份有限公司 | 用于制造刷子的方法及设备 |
BE1023452B1 (de) * | 2015-07-13 | 2017-03-23 | Bart Gerard Boucherie | Verfahren und Vorrichtung zum Herstellen einer Bürste |
WO2017009354A1 (de) * | 2015-07-13 | 2017-01-19 | Gb Boucherie Nv | Verfahren und vorrichtung zum herstellen einer bürste |
TWI714608B (zh) * | 2015-07-13 | 2021-01-01 | 比利時商Gb保捷利股份有限公司 | 用於製造刷子的方法及設備(一) |
WO2017009353A1 (de) * | 2015-07-13 | 2017-01-19 | Gb Boucherie Nv | Verfahren und vorrichtung zum herstellen einer bürste |
CN108024623A (zh) * | 2015-07-13 | 2018-05-11 | Gb布舍里股份有限公司 | 用于制造刷子的方法及设备 |
CN108024624A (zh) * | 2015-07-13 | 2018-05-11 | Gb布舍里股份有限公司 | 用于制造刷子的方法及设备 |
US20180199703A1 (en) * | 2015-07-13 | 2018-07-19 | Gb Boucherie Nv | Method and device for producing a brush |
US20180199702A1 (en) * | 2015-07-13 | 2018-07-19 | Gb Boucherie Nv | Method and device for producing a brush |
JP2018519924A (ja) * | 2015-07-13 | 2018-07-26 | ヘーベー・ブシュリー・ナムローゼ・フェンノートシャップGB Boucherie NV | ブラシを製造する方法および装置 |
JP2018519928A (ja) * | 2015-07-13 | 2018-07-26 | ヘーベー・ブシュリー・ナムローゼ・フェンノートシャップGB Boucherie NV | ブラシを製造する方法および装置 |
TWI697301B (zh) * | 2015-07-13 | 2020-07-01 | 比利時商Gb保捷利股份有限公司 | 用於製造刷子的方法及設備(二) |
BE1023148B1 (nl) * | 2015-07-13 | 2016-12-01 | Bart Gerard Boucherie | Verfahren und Vorrichtung zum Herstellen einer Bürste |
US10660431B2 (en) | 2015-07-13 | 2020-05-26 | Gb Boucherie Nv | Method and device for producing a brush |
EP3552517A1 (de) * | 2015-07-13 | 2019-10-16 | GB Boucherie NV | Verfahren und vorrichtung zum herstellen einer bürste |
US10646030B2 (en) | 2015-07-13 | 2020-05-12 | Gb Boucherie Nv | Method and device for producing a brush |
BE1023625B1 (de) * | 2016-01-12 | 2017-05-19 | Bart Gerard Boucherie | Verfahren und Vorrichtung zum Herstellen einer Bürste |
JP2019514530A (ja) * | 2016-04-26 | 2019-06-06 | ヘーベー・ブシュリー・ナムローゼ・フェンノートシャップGB Boucherie NV | ブラシを製造する方法と装置 |
CN109414110A (zh) * | 2016-04-26 | 2019-03-01 | Gb布舍里股份有限公司 | 用于制造刷子的方法和设备 |
KR20180136527A (ko) * | 2016-04-26 | 2018-12-24 | 지비 부쉐리 엔브이 | 브러시 제조 방법 및 디바이스 |
US10849423B2 (en) | 2016-04-26 | 2020-12-01 | Gb Boucherie Nv | Method and apparartus for producing a brush |
WO2017186371A1 (de) * | 2016-04-26 | 2017-11-02 | Gb Boucherie Nv | Verfahren und vorrichtung zum herstellen einer buerste |
US20200375349A1 (en) * | 2017-12-12 | 2020-12-03 | Koninklijke Philips N.V. | Brush head assembly and methods of manufacture |
JP2021505305A (ja) * | 2017-12-12 | 2021-02-18 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | ブラシヘッド・アセンブリ及びこの製造方法 |
US11723453B2 (en) * | 2017-12-12 | 2023-08-15 | Koninklijke Philips N.V. | Brush head assembly and methods of manufacture |
Also Published As
Publication number | Publication date |
---|---|
EP2078472B1 (de) | 2010-02-24 |
DE602009000006D1 (de) | 2010-04-08 |
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