EP2934234A1 - Plastics monofilament and toothbrush bristle produced from a corresponding monofilament - Google Patents
Plastics monofilament and toothbrush bristle produced from a corresponding monofilamentInfo
- Publication number
- EP2934234A1 EP2934234A1 EP14724307.5A EP14724307A EP2934234A1 EP 2934234 A1 EP2934234 A1 EP 2934234A1 EP 14724307 A EP14724307 A EP 14724307A EP 2934234 A1 EP2934234 A1 EP 2934234A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- matrix
- monofilament
- region
- rib
- plastic material
- 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
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/023—Bristles with at least a core and at least a partial sheath
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0238—Bristles with non-round cross-section
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0253—Bristles having a shape which is not a straight line, e.g. curved, "S", hook, loop
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0269—Monofilament bristles
-
- 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
-
- 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
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
-
- 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
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
- Y10T428/2924—Composite
Definitions
- the invention relates to a plastic monofilament and a toothbrush bristle made from a corresponding monofilament.
- the cleaning effect of a brush depends essentially on the geometry of the individual bristles and the material of which the bristles are made. In particular, it has proved to be advantageous to structure or profile the bristles on their lateral surface so that the bristles have a scraping action.
- bristles which have a plurality of axially parallel ribs, which are integrally formed at their radially inner end on a core forming the matrix.
- the core and the rib may be made of different plastics, on the one hand to adapt the strength and bending property of the bristle and on the other hand, the cleaning effect by the rib to the desired application.
- the bristle is used on a toothbrush, the choice of materials should ensure that the user can not be injured.
- the invention has for its object to provide a monofilament for producing a bristle or a toothbrush bristle produced therefrom, in which for the material of the rib and the matrix improved selection and
- the monofilament has a matrix which consists of a plastic material at least in a first region and at least one in
- the materials and the parameters in the extrusion of the monofilament are chosen so that the rib is also welded to the first region of the matrix in addition to the positive connection.
- the materials and the parameters in the extrusion of the monofilament are chosen so that the rib is also welded to the first region of the matrix in addition to the positive connection.
- Form-fitting is glued.
- the rib has a radially outwardly tapering cross-section, for example a triangular or drop-shaped cross-section, so that it tapers in its radially outer cross-sectional area.
- the rib In order to ensure a good positive connection between the rib and the first region of the matrix, the rib should be provided with undercuts at its radially inner end region embedded in the first region of the matrix. It is preferably provided that in the radially inner end region of the rib a common foot
- the monofilament may have a single rib or a plurality of ribs, and if several ribs are arranged, they should preferably be distributed equally over the U of the monofilament.
- the rib or ribs can become straight
- the ribs in the form of a Spiral around the matrix can be achieved in particular if the monofilament is twisted after the extrusion in a manner known per se. Preferably, the twisting is done with 50 to 400 revolutions per meter.
- the 1st area forms the entire matrix, i. the matrix consists solely of the 1st plastic material in which the rib or ribs
- the first area of the matrix has an annular cross-section and
- the ribs are connected to one another by means of the inner, second region of the matrix.
- the plastic materials can be chosen largely freely due to the positive connection.
- the 1st plastic material of the first region of the matrix is a rigid one
- thermoplastic polyester and in particular PBT
- the first plastic material of the first region of the matrix is a soft thermoplastic Plastic and in particular a thermoplastic elastomer.
- the second plastic material of the rib can also be a rigid thermoplastic polyester and in particular PBT
- thermoplastic plastic and in particular a
- thermoplastic elastomer be thermoplastic elastomer
- Range of the matrix can be freely selected within wide limits. If the ribs are connected together at their radially inner ends by means of the second region of the matrix, it is preferably provided that the third plastic material of the second region of the matrix is equal to the second plastic material of the ribs.
- bristles can be prepared in the usual way, preferably as
- Toothbrush bristle find use.
- Fig. 2 shows a modification of the embodiment according to FIG.
- Fig. 3 shows the cross section of a second embodiment of the monofilament
- Fig. 4 shows a modification of the embodiment according to FIG.
- FIG. 1 shows a cross-section through a plastic monofilament 10 which has a matrix 11 consisting of a first area 13 with a circular cross-section made entirely of a first plastic material
- the monofilament 10 has three ribs 12 projecting longitudinally, i.e. perpendicular to the plane of the drawing, on the outside radially from the matrix 11.
- Each rib 12 has a triangular, radially outward
- the second plastic material of the ribs 12 is a soft thermoplastic.
- the ribs 12 may be held in the matrix 11 by means of gluing or welding in addition to the positive locking.
- Figure 2 shows a figure 1 similar embodiment and differs from this only in that in the radially inner end region of the ribs 12 each have a common foot 15 is provided, which is the over the
- FIG. 3 shows a further exemplary embodiment of the invention
- the monofilament 10 according to the invention has a first region 13 made of a first plastic material which has an annular cross-section. Within the 1.
- annular region 13 a second region 14 of the matrix is arranged, which consists of a third plastic material.
- the ribs 12 are in a form-fitting manner in the
- annular first area 13 of the matrix 11 are located with their radially inner ends on the inside
- the ribs 12 are connected to the inner second region 14 of the matrix 11 by gluing or welding.
- FIG. 4 shows a design corresponding to the exemplary embodiment according to FIG. 3, which only differs therefrom in that the ribs 12 and the inner second region 14 of the matrix consist of a uniform material and are formed as a monolithic body.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013007870.9A DE102013007870A1 (en) | 2013-05-08 | 2013-05-08 | Monofilament of plastic and toothbrush bristle of a corresponding monofilament |
PCT/EP2014/001200 WO2014180560A1 (en) | 2013-05-08 | 2014-05-06 | Plastics monofilament and toothbrush bristle produced from a corresponding monofilament |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2934234A1 true EP2934234A1 (en) | 2015-10-28 |
EP2934234B1 EP2934234B1 (en) | 2016-06-15 |
Family
ID=50732092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14724307.5A Active EP2934234B1 (en) | 2013-05-08 | 2014-05-06 | Plastics monofilament and toothbrush bristle produced from a corresponding monofilament |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150354098A1 (en) |
EP (1) | EP2934234B1 (en) |
JP (1) | JP2016524481A (en) |
KR (1) | KR20160006661A (en) |
CN (1) | CN105188475B (en) |
DE (1) | DE102013007870A1 (en) |
WO (1) | WO2014180560A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015205265A1 (en) * | 2015-03-24 | 2016-09-29 | Pedex Gmbh | Plastic filament |
US10136723B2 (en) * | 2015-12-14 | 2018-11-27 | Colgate-Palmolive Company | Oral care implement |
CN107041622A (en) * | 2017-05-23 | 2017-08-15 | 湖北瑞特威日化有限公司 | A kind of acrylic resin tooth bristle and its manufacture method |
DE102018000663A1 (en) * | 2018-01-29 | 2019-08-01 | Pedex Gmbh | Filament and toothbrush with at least one corresponding filament |
KR102197602B1 (en) | 2019-09-04 | 2020-12-31 | 주식회사 케이앤케이 | Spinneret to manufacture filaments with modified cross-section and filaments by this |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2317485A (en) * | 1940-04-27 | 1943-04-27 | Pepsodent Co | Brush |
US3209402A (en) * | 1962-03-07 | 1965-10-05 | Celanese Corp | Apparatus for producing multicom-ponent filaments and yarns |
US4457973B1 (en) * | 1980-06-06 | 1995-05-09 | Kanebo Synthetic Fibert Ltd | Conductive composite filaments and methods for producing said composite filaments |
JPS62170509A (en) * | 1986-01-20 | 1987-07-27 | Teijin Ltd | Stretchable synthetic filament yarn and production thereof |
DE19533815A1 (en) | 1995-09-13 | 1997-03-20 | Coronet Werke Gmbh | Toothbrush and process for its manufacture |
DE19533816A1 (en) | 1995-09-13 | 1997-03-20 | Coronet Werke Gmbh | Process for the production of spiral bristles |
US5707735A (en) * | 1996-03-18 | 1998-01-13 | Midkiff; David Grant | Multilobal conjugate fibers and fabrics |
WO1998009010A1 (en) * | 1996-08-27 | 1998-03-05 | Chisso Corporation | A non-woven fabric and an absorbent article using thereof |
US5879801A (en) * | 1997-01-10 | 1999-03-09 | Basf Corporation | Multiple domain fibers having inter-domain boundary compatibilizing layer and methods and apparatus for making the same |
DE19932368A1 (en) * | 1999-07-13 | 2001-02-08 | Pedex & Co Gmbh | Process for the production of multilayer bristle material, multilayer bristle and their use |
ATE302865T1 (en) * | 2000-09-29 | 2005-09-15 | Invista Tech Sarl | STRETCHABLE POLYMER FIBERS, SPINNING NUTS FOR THE PRODUCTION THEREOF AND ARTICLES MADE THEREFROM |
JP4816037B2 (en) * | 2005-12-02 | 2011-11-16 | サンスター株式会社 | toothbrush |
JP4992285B2 (en) * | 2006-04-21 | 2012-08-08 | サンスター株式会社 | toothbrush |
US20080221618A1 (en) * | 2007-03-09 | 2008-09-11 | Gaoyuan Chen | Co-extruded tissue grasping monofilament |
JP5338233B2 (en) * | 2008-09-30 | 2013-11-13 | サンスター株式会社 | Toothbrush filament and toothbrush in which the filament is implanted |
JP5387352B2 (en) * | 2009-11-13 | 2014-01-15 | 東レ・モノフィラメント株式会社 | Monofilament for toothbrush |
MY194080A (en) * | 2012-09-25 | 2022-11-11 | Lion Corp | Tapered bristles, method for manufacturing same, and toothbrush provided with tapered bristles |
-
2013
- 2013-05-08 DE DE102013007870.9A patent/DE102013007870A1/en not_active Withdrawn
-
2014
- 2014-05-06 KR KR1020157021099A patent/KR20160006661A/en not_active Application Discontinuation
- 2014-05-06 US US14/763,232 patent/US20150354098A1/en not_active Abandoned
- 2014-05-06 JP JP2016512244A patent/JP2016524481A/en active Pending
- 2014-05-06 WO PCT/EP2014/001200 patent/WO2014180560A1/en active Application Filing
- 2014-05-06 EP EP14724307.5A patent/EP2934234B1/en active Active
- 2014-05-06 CN CN201480025042.9A patent/CN105188475B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014180560A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014180560A1 (en) | 2014-11-13 |
CN105188475A (en) | 2015-12-23 |
CN105188475B (en) | 2017-07-04 |
KR20160006661A (en) | 2016-01-19 |
DE102013007870A1 (en) | 2014-11-13 |
US20150354098A1 (en) | 2015-12-10 |
JP2016524481A (en) | 2016-08-18 |
EP2934234B1 (en) | 2016-06-15 |
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