EP0874925A1 - Verfahren zur herstellung spiraliger borsten - Google Patents
Verfahren zur herstellung spiraliger borstenInfo
- Publication number
- EP0874925A1 EP0874925A1 EP96931013A EP96931013A EP0874925A1 EP 0874925 A1 EP0874925 A1 EP 0874925A1 EP 96931013 A EP96931013 A EP 96931013A EP 96931013 A EP96931013 A EP 96931013A EP 0874925 A1 EP0874925 A1 EP 0874925A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- monofilament
- cross
- bristles
- extruded
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 230000001680 brushing effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
Definitions
- the invention relates to a method for producing spiral bristles from plastic by extruding monofilaments.
- Bristles for brush goods of any kind develop their brushing effect first and foremost through the free ends of the bristles, which tear open the soiled surface and remove the dirt by scratching and scraping. When the pressure is increased, the bristles fold over and become effective with their outer surface. They slide more smoothly and pushingly over the surface with a gentler effect.
- profiled bristles are also known, in which the profile edges have a more abrasive effect when the bristle is folded over.
- bristles for car wash brushes with a spiral profile are known (DE-U-93 19 214, DE-A-1 140 901) with a very large pitch of the spiral. This, in turn, is intended to reduce the strong scraping effect of profiled bristles by locally engaging only part of the helix.
- Such a bristle with a steep spiral should pass through Twisting a monofilament with an essentially star-shaped cross section can be obtained. How this happens in detail and in particular should lead to a stable bristle with good straightening ability remains open with this prior art.
- the invention is based on the object of proposing a method by means of which spiral bristles of the same and predeterminable quality as conventional bristles can be produced inexpensively.
- this task is fertilized by extruding a monofilament with a cross-section deviating from the circular shape and pre-stretching it while reducing it, then stretching it further, then twisting it over at least part of its length to form a spiral bristle material and stabilizing it after the twisting by thermal shrinking .
- the pre-stretching takes place immediately when the monofilament is drawn off on the extruder, while the further stretching after cooling, e.g. after passing the monofilament through a water bath.
- a profiled bristle with strength properties is obtained, as are known from conventional, non-profiled bristles.
- a spiral-shaped or helical bristle material is obtained from the monofilament due to its cross-section deviating from the circular shape.
- the resulting spiral is obtained from the profile of the monofilament projecting beyond the circular shape and can either extend over the entire length of the bristle or can be formed only over part of its length.
- Stabilization after twisting can be carried out in a known manner by exposure to an elevated temperature or by
- the coiled, spiral bristle material is stored at room temperature or at a higher temperature in order to fix the bristle material in the desired shape.
- the monofilament is preferably pre-stabilized by thermal shrinkage after further stretching and before twisting. During this pre-stabilization, the monofilament is subjected to heat and then cooled, so that the monofilament shrinks. In connection with the further stabilization after twisting ensures that the twist of the monofilament is permanently fixed.
- the monofilament produced by extrusion can have an oval or polygonal cross section.
- a bristle material with two coils running over the surface is produced.
- the number of coils corresponds to the number of corners.
- a rectangular, in particular square, cross section is preferably selected, so that four coils are formed on the jacket.
- a monofilament with a core and at least one axially parallel rib can also be extruded and twisted.
- a bristle material with helices is created, the height of which can be selected in accordance with the height of the ribs, so that comparatively deep channels are formed on the bristle.
- the at least one rib or at least one edge of the polygonal cross-section differs in color from the core of the monofilament by extruding different-colored plastics, for example a white or transparent bristle with a helix in one in the core Signal color. If pigments are used for coloring, the helix has a harder and at the same time abrasive surface.
- the core and the at least one rib or at least one edge of the polygonal cross section are preferably made of different plastics.
- the resulting spiral can thus be adapted to certain operating conditions, in particular its hardness.
- ribs made of relatively soft material dirt can be gently removed from carpets, for example.
- a relatively hard material for the rib or ribs enables efficient cleaning of the teeth, for example in dental care.
- An intensive brushing effect, for example for removing rust, can be achieved with ribs made of abrasive material.
- the user can be given an indication of the brush properties of the respective brush by a different color design of the core and the ribs.
- the bristles must have a predetermined stiffness.
- an adaptation of the rigidity can be achieved if the monofilament is extruded from a core, a jacket surrounding it, from different plastics. Due to the choice of material, the core, for example, can have typical properties of a bristle with regard to its bending capacity, while the jacket has the properties that are most suitable for the intended purpose.
- the ribs running on the jacket can either consist of its material or a different material.
- Another solution of the invention is based on the extrusion of monofilaments with, for example, a circular cross section.
- Such a process is characterized by the fact that at least two monofilaments are pre-stretched and subsequently stretched further, while reducing their cross-sections, any bristle material are twisted together and stabilized after the twisting by thermal shrinking.
- the spiral-profiled lateral surface of the bristle is obtained by at least two monofilaments of any cross-section type twisted together. They obtain their stability from the type of manufacture customary for bristles.
- the monofilaments can be stabilized by thermal shrinkage after further stretching and before twisting.
- This stabilization can also be carried out by the action of elevated temperature or by storing the wound-up bristle material at room temperature or a temperature which is higher than that.
- the brushing effect depends, among other things, on the degree of twisting in relation to the effective length of a bristle or of the bristle material, i.e. on the pitch of the helix formed as a result of the twisting. It has been shown that the pitch of the helix should not be greater than twice the useful length of the bristle, so that a helix rotating around 180 ° is present along the useful length. However, the helix preferably has a smaller pitch, which can be up to the size of the diameter of the bristle material. For toothbrushes, a slope has proven to be favorable in which there are at least two, preferably three to five turns per cm of bristle length.
- the monofilament or the monofilaments consist of an elastic plastic.
- the bristles made from the bristle material can be stretched in the longitudinal direction, which in turn reduces their diameter brings, so that they can be inserted into a toothbrush when used in toothbrushes or as an interdental cleaner, but cannot get stuck in it.
- the bristle stretches when pulled out and can also twist open.
- the bristle material produced according to the invention can be used with a variety of brushes with particular advantages.
- the deepened spaces present between the spirals running on the surface are particularly suitable for picking up and storing the dirt loosened during brushing and only releasing it at the end of the brush section.
- This advantageous effect is effective, for example, with carpet brushes, vacuum cleaner brushes, polishing brushes, etc.
- these spaces formed between the coils can serve to hold media that are to be applied. This is the case, for example, with hair brushes, painter brushes, cosmetic brushes, etc.
- the different cleaning effects of the bristle ends and the flanks of the coils can advantageously be combined with one another. This applies, for example, to toothbrushes, massage brushes, brooms, sweeping rollers, rust removal brushes, etc.
- individual or bundled spiral bristles can be used in a particularly advantageous manner as interdental brushes, which are much better due to reciprocation in the interdental spaces Develop cleaning effect, since constantly changing cross-sections come into effect. Even if such an interdenal cleaner jams in tight gaps, it will not tear off, but can be pulled out easily by being twisted open. Finally, very gentle care treatment can also be achieved if the spiral cross section is rounded accordingly.
- An interdental cleaner has further advantages if it is twisted only in a partial area of its length.
- the untwisted portion has smaller cross-sectional dimensions and is therefore easier to insert into an interdental space. This introduction can be made even easier if the undrilled portion has at least one section, for example a cross section flattened by pressing.
- spiral bristles can be combined with bristles of a different configuration and processed together.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Brushes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19533816 | 1995-09-13 | ||
DE19533816A DE19533816A1 (de) | 1995-09-13 | 1995-09-13 | Verfahren zur Herstellung spiraliger Borsten |
PCT/EP1996/003874 WO1997010374A1 (de) | 1995-09-13 | 1996-09-04 | Verfahren zur herstellung spiraliger borsten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0874925A1 true EP0874925A1 (de) | 1998-11-04 |
EP0874925B1 EP0874925B1 (de) | 1999-12-08 |
Family
ID=7771987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96931013A Expired - Lifetime EP0874925B1 (de) | 1995-09-13 | 1996-09-04 | Verfahren zur herstellung spiraliger borsten |
Country Status (29)
Country | Link |
---|---|
US (1) | US5985192A (de) |
EP (1) | EP0874925B1 (de) |
JP (1) | JP3792721B2 (de) |
KR (1) | KR100666766B1 (de) |
CN (1) | CN1077154C (de) |
AR (1) | AR003562A1 (de) |
AT (1) | ATE187506T1 (de) |
AU (1) | AU700069B2 (de) |
BR (1) | BR9610578A (de) |
CA (1) | CA2230799C (de) |
CZ (1) | CZ287818B6 (de) |
DE (2) | DE19533816A1 (de) |
ES (1) | ES2140130T3 (de) |
GR (1) | GR3032901T3 (de) |
HU (1) | HU220740B1 (de) |
IL (1) | IL123387A (de) |
IN (1) | IN188936B (de) |
NO (1) | NO310664B1 (de) |
NZ (1) | NZ330177A (de) |
PL (1) | PL182726B1 (de) |
PT (1) | PT874925E (de) |
RO (1) | RO119370B1 (de) |
RU (1) | RU2145367C1 (de) |
SK (1) | SK281340B6 (de) |
TR (1) | TR199800456T1 (de) |
TW (1) | TW379262B (de) |
UA (1) | UA51674C2 (de) |
WO (1) | WO1997010374A1 (de) |
ZA (1) | ZA967702B (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19640853A1 (de) * | 1996-10-02 | 1998-04-16 | Braun Ag | Borste für eine Zahnbürste |
DE19932368A1 (de) * | 1999-07-13 | 2001-02-08 | Pedex & Co Gmbh | Verfahren zur Herstellung von mehrschichtigem Borstenmaterial, mehrschichtige Borste und deren Verwendung |
FR2796532B1 (fr) | 1999-07-22 | 2002-02-01 | Oreal | Dispositif d'application d'un produit liquide, pateux ou pulverulent comportant des fibres torsadees, et ensemble d'application ainsi equipe |
FR2796531B1 (fr) | 1999-07-22 | 2001-09-28 | Oreal | Applicateur de produit liquide, pateux ou pulverulent comportant des fibres torsadees, et ensemble d'application ainsi equipe |
CA2289272A1 (fr) * | 1999-10-07 | 2001-04-07 | Raul Ioan Risco | Appareil de brossage |
DE10017167A1 (de) * | 2000-04-07 | 2001-10-11 | Pedex & Co Gmbh | Verfahren und Vorrichtung zur Herstellung von Filamenten aus Kunststoff, insbesondere Kunststoffborsten, und danach hergestellte Borste |
PT1170406E (pt) * | 2000-07-04 | 2008-04-07 | Klaus Bloch | Método para a realização de um monofilamento e uso do mesmo |
JP4720025B2 (ja) * | 2001-06-06 | 2011-07-13 | サンスター株式会社 | 歯ブラシ |
DE102013007870A1 (de) | 2013-05-08 | 2014-11-13 | Pedex Gmbh | Monofil aus Kunststoff und Zahnbürsten-Borste aus einem entsprechenden Monofil |
US10477958B2 (en) | 2013-12-12 | 2019-11-19 | Colgate-Palmolive Company | Multi-component bristle having components with different oral care additives, and oral care implement comprising the same |
EP3068263B1 (de) | 2013-12-12 | 2019-02-27 | Colgate-Palmolive Company | Mehrkomponentige borste mit komponenten mit unterschiedlichen mundpflegeadditiven und mundpflegevorrichtung damit |
JP2016539729A (ja) | 2013-12-12 | 2016-12-22 | コルゲート・パーモリブ・カンパニーColgate−Palmolive Company | 異なる口腔ケア添加物を含むストランド構成部を有する螺旋ブラシ毛、及びその螺旋ブラシ毛を備える口腔ケア器具 |
USD765986S1 (en) | 2013-12-16 | 2016-09-13 | Colgate-Palmolive Company | Toothbrush |
USD753922S1 (en) | 2013-12-16 | 2016-04-19 | Colgate-Palmolive Company | Toothbrush |
USD764175S1 (en) | 2013-12-16 | 2016-08-23 | Colgate-Palmolive Company | Toothbrush |
USD760499S1 (en) | 2013-12-16 | 2016-07-05 | Colgate-Palmolive Company | Toothbrush |
USD765983S1 (en) | 2013-12-16 | 2016-09-13 | Colgate-Palmolive Company | Toothbrush |
USD764805S1 (en) | 2013-12-16 | 2016-08-30 | Colgate-Palmolive Company | Toothbrush |
USD765985S1 (en) | 2013-12-16 | 2016-09-13 | Colgate-Palmolive Company | Toothbrush |
USD765984S1 (en) | 2013-12-16 | 2016-09-13 | Colgate-Palmolive Company | Toothbrush |
DE202015006204U1 (de) * | 2015-03-04 | 2015-11-06 | Pedex Gmbh | Spiralige Filmente und deren Herstellung |
CN104825242A (zh) * | 2015-05-16 | 2015-08-12 | 张平洲 | 一种牙刷 |
WO2017004791A1 (en) | 2015-07-07 | 2017-01-12 | Colgate-Palmolive Company | Oral care implement and monofilament bristle for use with the same |
MX2018006913A (es) * | 2015-12-14 | 2018-08-24 | Colgate Palmolive Co | Implemento para el cuidado bucal y cerda en espiral para uso con este. |
CN105534010A (zh) * | 2015-12-22 | 2016-05-04 | 郑州人造金刚石及制品工程技术研究中心有限公司 | 一种含有纳米碳晶的牙刷丝及制作方法 |
CN109371480B (zh) * | 2018-10-15 | 2021-05-25 | 广州东资达实业有限公司 | 一种密曲无压伤刷丝及其制备方法 |
US11553783B2 (en) | 2019-11-08 | 2023-01-17 | Jacob Koby Ohayon | Interchangeable broom bristle with releasable agent |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1222888B (de) * | 1964-10-29 | 1966-08-18 | Osborn Mfg Co | Buerste |
DE1140901B (de) * | 1961-09-16 | 1962-12-13 | Walter Herdling | Buerstenborste |
US3567569A (en) * | 1965-08-09 | 1971-03-02 | Toyo Rayon Co Ltd | Synthetic fibers having novel shape |
DE3205641C2 (de) * | 1982-02-17 | 1991-03-28 | Pedex & Co. GmbH, 6948 Wald-Michelbach | Verfahren und Vorrichtung zur Herstellung von Borstenbündeln oder Einzelborsten aus Kunststoff |
DE8522986U1 (de) * | 1985-08-09 | 1985-09-26 | Schmitz, Wolfgang, 5000 Köln | Gerät zum partiellen Einfärben von Haaren (Bürste) |
JPH03289906A (ja) * | 1990-04-05 | 1991-12-19 | Mitsuo Ishikawa | 歯ブラシ |
DE4022890A1 (de) * | 1990-07-18 | 1992-01-23 | Geka Brush Georg Karl Gmbh | Buerste, insbesondere mascara-buerste |
DE4114136A1 (de) * | 1991-04-30 | 1992-11-05 | Schlerf Coronet Werke | Borstenwaren und verfahren zu ihrer herstellung |
DE4139257A1 (de) * | 1991-11-29 | 1993-06-03 | Basf Ag | Recycling-kunststofformmasse |
JP2854207B2 (ja) * | 1992-11-05 | 1999-02-03 | 帝人株式会社 | 異型断面剛毛 |
DE9319214U1 (de) * | 1993-12-15 | 1994-11-10 | Wap Reinigungssysteme Gmbh & Co, 89287 Bellenberg | Bürste für eine Bürstenwaschanlage für Fahrzeuge |
-
1995
- 1995-09-13 DE DE19533816A patent/DE19533816A1/de not_active Ceased
-
1996
- 1996-04-09 UA UA98041878A patent/UA51674C2/uk unknown
- 1996-09-04 IL IL12338796A patent/IL123387A/en not_active IP Right Cessation
- 1996-09-04 HU HU9901181A patent/HU220740B1/hu not_active IP Right Cessation
- 1996-09-04 PT PT96931013T patent/PT874925E/pt unknown
- 1996-09-04 KR KR1019980701623A patent/KR100666766B1/ko not_active IP Right Cessation
- 1996-09-04 NZ NZ330177A patent/NZ330177A/xx unknown
- 1996-09-04 EP EP96931013A patent/EP0874925B1/de not_active Expired - Lifetime
- 1996-09-04 SK SK249-98A patent/SK281340B6/sk unknown
- 1996-09-04 WO PCT/EP1996/003874 patent/WO1997010374A1/de not_active Application Discontinuation
- 1996-09-04 RU RU98107323A patent/RU2145367C1/ru not_active IP Right Cessation
- 1996-09-04 CN CN96196937A patent/CN1077154C/zh not_active Expired - Lifetime
- 1996-09-04 DE DE59603889T patent/DE59603889D1/de not_active Expired - Lifetime
- 1996-09-04 US US09/029,899 patent/US5985192A/en not_active Expired - Lifetime
- 1996-09-04 CZ CZ1998703A patent/CZ287818B6/cs not_active IP Right Cessation
- 1996-09-04 ES ES96931013T patent/ES2140130T3/es not_active Expired - Lifetime
- 1996-09-04 JP JP53282596A patent/JP3792721B2/ja not_active Expired - Lifetime
- 1996-09-04 RO RO98-00611A patent/RO119370B1/ro unknown
- 1996-09-04 CA CA002230799A patent/CA2230799C/en not_active Expired - Fee Related
- 1996-09-04 PL PL96325522A patent/PL182726B1/pl not_active IP Right Cessation
- 1996-09-04 AU AU69867/96A patent/AU700069B2/en not_active Ceased
- 1996-09-04 TR TR1998/00456T patent/TR199800456T1/xx unknown
- 1996-09-04 AT AT96931013T patent/ATE187506T1/de not_active IP Right Cessation
- 1996-09-04 BR BR9610578A patent/BR9610578A/pt not_active IP Right Cessation
- 1996-09-06 IN IN1587CA1996 patent/IN188936B/en unknown
- 1996-09-07 TW TW085110958A patent/TW379262B/zh not_active IP Right Cessation
- 1996-09-11 AR ARP960104320A patent/AR003562A1/es active IP Right Grant
- 1996-09-12 ZA ZA967702A patent/ZA967702B/xx unknown
-
1998
- 1998-03-12 NO NO19981084A patent/NO310664B1/no unknown
-
2000
- 2000-03-08 GR GR20000400596T patent/GR3032901T3/el not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9710374A1 * |
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