US20150354098A1 - Plastic monofilament and toothbrush bristle made of a corresponding monofilament - Google Patents

Plastic monofilament and toothbrush bristle made of a corresponding monofilament Download PDF

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Publication number
US20150354098A1
US20150354098A1 US14/763,232 US201414763232A US2015354098A1 US 20150354098 A1 US20150354098 A1 US 20150354098A1 US 201414763232 A US201414763232 A US 201414763232A US 2015354098 A1 US2015354098 A1 US 2015354098A1
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US
United States
Prior art keywords
monofilament
matrix
area
accordance
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.)
Abandoned
Application number
US14/763,232
Other languages
English (en)
Inventor
Holger Meid
Florian Kisling
Michael Müller
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.)
Pedex GmbH
Original Assignee
Pedex 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
Application filed by Pedex GmbH filed Critical Pedex GmbH
Assigned to PEDEX GMBH reassignment PEDEX GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MEID, HOLGER, Müller, Michael, KISLING, Florian
Publication of US20150354098A1 publication Critical patent/US20150354098A1/en
Abandoned legal-status Critical Current

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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 present invention pertains to a plastic monofilament and to a toothbrush bristle manufactured from a corresponding monofilament.
  • the cleaning action of a bristle depends essentially on the geometry of the individual bristles and the material of which the bristles consist. In particular, it 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 formed integrally at their radially inner end with a core forming the matrix, are known from EP 0 850 004 B1 or EP 0 874 925 B1.
  • the core and the rib may consist of different plastics in order to adapt the strength and bending properties of the bristle, on the one hand, and the cleaning action by the rib to the desired intended use, on the other hand If the bristle is used in a toothbrush, it shall, moreover, be ensured by selecting the material that the user cannot be injured.
  • a basic object of the present invention is to create a monofilament for manufacturing a bristle or a toothbrush bristle manufactured therefrom, in which the possibilities of selecting and combining the materials for the rib and the matrix are improved.
  • a monofilament comprising a matrix of a first plastic material at least in a first area and at least one rib, which extends in the longitudinal direction of the monofilament and which is comprised of a second plastic material and which is held in the first area of the matrix in a positive-locking manner.
  • the materials and the parameters with which the monofilament is extruded are selected to be such that the rib is also welded to the first area of the matrix in addition to the positive-locking connection.
  • provisions may, however, also be made for the rib to be bonded to the first area of the matrix in addition to the positive-locking connection.
  • the rib to have a radially outwardly tapering cross section, for example, a triangular or drop-shaped cross section, so that it tapers to a tip in its radially outer cross-sectional area.
  • the rib should be provided with undercuts at its radially inner end area embedded into the first area of the matrix. Provisions are preferably made for a broadened foot, around which the first plastic material of the first area of the matrix extends, to be provided in the radially inner end area of the rib.
  • the monofilament may have a single rib or a plurality of ribs, and the ribs should be preferably distributed uniformly over the circumference of the monofilament in case a plurality of ribs are arranged.
  • the rib or ribs may also extend straight axially parallel in the longitudinal direction of the monofilament, but it is also possible that the ribs extend around the matrix in the manner of a coil. This can be achieved especially if the monofilament is twisted in the known manner after the extrusion.
  • the twisting is preferably performed at 50 to 400 revolutions per running meter.
  • the first area may be made in a possible embodiment of the present invention for the first area to form the entire matrix, i.e., the matrix consists exclusively of the first plastic material, in which the rib or ribs is/are held in a positive-locking manner.
  • first area of the matrix may have a ring-shaped cross section and to surround at least an inner, second area of the matrix, which area consists of a third plastic material.
  • the use properties of the monofilament or of the bristle manufactured from same can be adapted in this manner even better to the desired intended use.
  • the ribs may be connected to one another by means of the inner, second area of the matrix.
  • the plastic materials may be selected extensively freely based on the positive-locking connection. Provisions may be made in a first possible embodiment for the first plastic material of the first area of the matrix to be a rigid thermoplastic polyester and especially PBT (polybutylene terephthalate). However, provisions may also be made, as an alternative, for the first plastic material of the first area of the matrix to be a soft thermoplastic plastic and especially a thermoplastic elastomer.
  • the second plastic material of the rib may also be a rigid thermoplastic polyester and especially PBT (polybutylene terephthalate) or a soft thermoplastic plastic and especially a thermoplastic elastomer.
  • the third plastic material of the inner, second area of the matrix may be selected freely within broad limits. If the ribs are connected to one another at their radially inner ends by means of the second area of the matrix, provisions are preferably made for the third plastic material of the second area of the matrix to be identical to the second plastic material of the ribs.
  • Provisions are made in a preferred embodiment of the present invention for at least one rib to be dyed and to be distinguished thereby in color from the rest of the monofilament. It is possible in this manner to visualize to the user the fact that the monofilament is twisted in order to thereby avoid confusion in the use of the monofilament.
  • Bristles which are preferably used as toothbrush bristle, can be manufactured from the monofilament according to the present invention in the usual manner.
  • FIG. 1 is the cross sectional view of a first embodiment of the monofilament according to the present invention
  • FIG. 2 is the cross sectional view of a variant of the embodiment according to FIG. 1 ;
  • FIG. 3 is the cross sectional view of a second embodiment of the monofilament according to the present invention.
  • FIG. 4 is a variant of the embodiment according to FIG. 3 .
  • FIG. 1 shows a cross section through a plastic monofilament 10 , which has a matrix 11 comprising a first area 13 with a round cross section, which consists entirely of a first plastic material, for example, a rigid thermoplastic polyester.
  • the monofilament 10 has three ribs 12 , which project radially from the matrix 11 on the outside in the longitudinal direction, i.e., at right angles to the drawing plane.
  • Each rib 12 has a triangular, radially outwardly tapering cross section and is held with its radially inner, broad end area in the matrix 11 in a positive-locking manner.
  • the material of the ribs 12 can be selected freely, i.e., it does not depend on the type of the first plastic material of the matrix 11 .
  • the second plastic material of the ribs 12 is preferably a soft thermoplastic plastic.
  • the ribs 12 may also be held in the matrix 11 by means of bonding or welding in addition to the positive-locking connection.
  • FIG. 2 shows an exemplary embodiment very similar to that in FIG. 1 and differs from this only in that a broadened foot 15 each, which substantially improves the holding force that can be achieved by means of the positive-locking connection, is provided in the radially inner end area of the ribs 12 .
  • FIG. 3 shows another exemplary embodiment of the monofilament 10 according to the present invention.
  • the matrix 11 has a first area 13 consisting of a first plastic material, which area has a ring-shaped cross section.
  • a second area 14 of the matrix which area consists of a third plastic material, is arranged within the first, ring-shaped area 13 .
  • the ribs 12 are held in the ring-shaped first area 13 of the matrix 11 in a positive-locking manner and are in contact by their radially inner ends with the inner, second area 14 of the matrix 11 .
  • the ribs 12 are preferably connected to the inner, second area 14 of the matrix 11 by bonding or welding.
  • FIG. 4 shows an embodiment corresponding to the exemplary embodiment according to FIG. 3 , which differs from the latter only in that the ribs 12 and the inner, second area 14 of the matrix consist of a uniform material and are designed as a monolithic body.

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)
  • Multicomponent Fibers (AREA)
US14/763,232 2013-05-08 2014-05-06 Plastic monofilament and toothbrush bristle made of a corresponding monofilament Abandoned US20150354098A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013007870.9 2013-05-08
DE102013007870.9A DE102013007870A1 (de) 2013-05-08 2013-05-08 Monofil aus Kunststoff und Zahnbürsten-Borste aus einem entsprechenden Monofil
PCT/EP2014/001200 WO2014180560A1 (de) 2013-05-08 2014-05-06 Monofil aus kunststoff und zahnbürsten-borste aus einem entsprechenden monofil

Publications (1)

Publication Number Publication Date
US20150354098A1 true US20150354098A1 (en) 2015-12-10

Family

ID=50732092

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/763,232 Abandoned US20150354098A1 (en) 2013-05-08 2014-05-06 Plastic monofilament and toothbrush bristle made of a corresponding monofilament

Country Status (7)

Country Link
US (1) US20150354098A1 (enrdf_load_stackoverflow)
EP (1) EP2934234B1 (enrdf_load_stackoverflow)
JP (1) JP2016524481A (enrdf_load_stackoverflow)
KR (1) KR20160006661A (enrdf_load_stackoverflow)
CN (1) CN105188475B (enrdf_load_stackoverflow)
DE (1) DE102013007870A1 (enrdf_load_stackoverflow)
WO (1) WO2014180560A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111227494A (zh) * 2015-12-14 2020-06-05 高露洁-棕榄公司 口腔护理器具

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015205265A1 (de) * 2015-03-24 2016-09-29 Pedex Gmbh Filament aus Kunststoff
CN107041622A (zh) * 2017-05-23 2017-08-15 湖北瑞特威日化有限公司 一种塑料牙刷毛及其制造方法
DE102018000663A1 (de) * 2018-01-29 2019-08-01 Pedex Gmbh Filament und Zahnbürste mit zumindest einem entsprechenden Filament
KR102197602B1 (ko) 2019-09-04 2020-12-31 주식회사 케이앤케이 이형 단면을 갖는 필라멘트 제조용 방사구금 및 이에 의해 제조된 필라멘트

Citations (3)

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US6161243A (en) * 1995-09-13 2000-12-19 Coronet-Werke Gmbh Toothbrush and method for its manufacture
US20080221618A1 (en) * 2007-03-09 2008-09-11 Gaoyuan Chen Co-extruded tissue grasping monofilament
US20090064435A1 (en) * 2006-04-21 2009-03-12 Sunstar Inc. Toothbrush

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US4457973B1 (en) * 1980-06-06 1995-05-09 Kanebo Synthetic Fibert Ltd Conductive composite filaments and methods for producing said composite filaments
JPS62170509A (ja) * 1986-01-20 1987-07-27 Teijin Ltd 伸縮性合成繊維糸条およびその製造方法
DE19533816A1 (de) 1995-09-13 1997-03-20 Coronet Werke Gmbh Verfahren zur Herstellung spiraliger Borsten
US5707735A (en) * 1996-03-18 1998-01-13 Midkiff; David Grant Multilobal conjugate fibers and fabrics
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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 (de) * 1999-07-13 2001-02-08 Pedex & Co Gmbh Verfahren zur Herstellung von mehrschichtigem Borstenmaterial, mehrschichtige Borste und deren Verwendung
WO2002027082A1 (en) * 2000-09-29 2002-04-04 E.I. Du Pont De Nemours And Company Stretchable fibers of polymers, spinnerets useful to form the fibers, and articles produced therefrom
JP4816037B2 (ja) * 2005-12-02 2011-11-16 サンスター株式会社 歯ブラシ
JP5338233B2 (ja) * 2008-09-30 2013-11-13 サンスター株式会社 歯ブラシ用フィラメント及びこれを植設した歯ブラシ
JP5387352B2 (ja) * 2009-11-13 2014-01-15 東レ・モノフィラメント株式会社 歯ブラシ用モノフィラメント
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Publication number Priority date Publication date Assignee Title
US6161243A (en) * 1995-09-13 2000-12-19 Coronet-Werke Gmbh Toothbrush and method for its manufacture
US20090064435A1 (en) * 2006-04-21 2009-03-12 Sunstar Inc. Toothbrush
US20080221618A1 (en) * 2007-03-09 2008-09-11 Gaoyuan Chen Co-extruded tissue grasping monofilament

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111227494A (zh) * 2015-12-14 2020-06-05 高露洁-棕榄公司 口腔护理器具

Also Published As

Publication number Publication date
EP2934234A1 (de) 2015-10-28
WO2014180560A1 (de) 2014-11-13
CN105188475A (zh) 2015-12-23
EP2934234B1 (de) 2016-06-15
CN105188475B (zh) 2017-07-04
DE102013007870A1 (de) 2014-11-13
JP2016524481A (ja) 2016-08-18
KR20160006661A (ko) 2016-01-19

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AS Assignment

Owner name: PEDEX GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MEID, HOLGER;KISLING, FLORIAN;MUELLER, MICHAEL;SIGNING DATES FROM 20150601 TO 20150615;REEL/FRAME:036170/0161

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION