CN105188475A - Plastics monofilament and toothbrush bristle produced from a corresponding monofilament - Google Patents

Plastics monofilament and toothbrush bristle produced from a corresponding monofilament Download PDF

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Publication number
CN105188475A
CN105188475A CN201480025042.9A CN201480025042A CN105188475A CN 105188475 A CN105188475 A CN 105188475A CN 201480025042 A CN201480025042 A CN 201480025042A CN 105188475 A CN105188475 A CN 105188475A
Authority
CN
China
Prior art keywords
monofilament
rib
matrix
area
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
Application number
CN201480025042.9A
Other languages
Chinese (zh)
Other versions
CN105188475B (en
Inventor
H.迈德
F.基斯林
M.米勒
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
Publication of CN105188475A publication Critical patent/CN105188475A/en
Application granted granted Critical
Publication of CN105188475B publication Critical patent/CN105188475B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

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)

Abstract

The invention concerns a plastics monofilament comprising a matrix which consists at least in a first region of a first plastics material, and at least one rib which extends in the longitudinal direction of the monofilament, consists of a second plastics material, and is held in formfitting manner in the first region of the matrix.

Description

The monofilament be made of plastics and the bristles be made up of corresponding monofilament
The present invention relates to a kind of monofilament of being made of plastics and a kind of bristles be made up of corresponding monofilament.
The cleaning action of brush is fundamentally relevant with the material making bristle with the shape of single bristle.Especially be proved to be advantageously, by the outer surface structure of bristle or shaping, had scraping action to make bristle.
From EP0850004B1 or EP0874925B1 known bristle respectively, it has the parallel rib of multiple axis and the longitudinal end of rib is formed on the core of formation matrix.At this, core and rib can be made up of different plastics, on the one hand in order to adapt to the intensity of bristle and bending character and can adjust the cleaning action of rib to adapt to expection application target on the other hand.When bristle is used for toothbrush time, also to guarantee not damage user by Material selec-tion.
Already proved, and on the one hand for rib, on the other hand the Material selec-tion of matrix was subject to the strong restriction of following aspect, namely when manufacturing corresponding monofilament, bi-material must be formed and firmly connects, and comes off from matrix to stop the rib when using bristle.This restriction on Material selec-tion is very disadvantageous, makes almost can not reach best cleaning effect.
The technical problem to be solved in the present invention is, the bristles providing a kind of monofilament for the manufacture of bristle or manufacture thus, and wherein, the material for rib and matrix gives the selection of improvement and the possibility of combination.
According to the present invention, this technical problem is solved by the monofilament with feature described in claim 1.Monofilament has matrix, described matrix is at least made up of the first plastic material in first area, and there is at least one along monofilament rib extending longitudinally, described rib be made up of the second plastic material and form fit keep or be fixed in the first area of matrix.
Due to the form fit between rib and matrix first area, rib in the base reliable fixing can be realized and and the connection whether being additionally provided with material engagement type and/or friction fit between first plastic material and the second plastic material of rib of the first area of matrix have nothing to do.Can rib be remained in the first area of matrix separately through form fit on the one hand, the connection of material joint or friction fit alternatively also can be additionally especially set between described material.In favourable form of implementation of the present invention, when monofilament extruded, such selection material and parameter, make the first area of rib and matrix also additionally soldered except form fit.But also can specify alternatively or additionally, the first area of rib and matrix is additionally bonding except form fit for this reason.
Specify in a kind of possible form of implementation of the present invention, rib has and is radially tapered or the cross section of constriction, and the cross section of such as triangle or droplet profile, therefore rib shrinks gradually and comes to a point in the transverse cross-sectional area of its radially outer.
In order to ensure there being good form fit to connect between rib and the first area of matrix, rib its inner radial, be equipped with undercut in the end regions that embeds matrix first area.Preferably specify, be at rib the bottom being designed with in the end regions of inner radial and broadening, described bottom is surrounded by the first plastic material of the first area of matrix.
According to different use fields, monofilament can have unique rib or multiple rib, wherein, when arranging multiple rib in the described rib girth that is preferably evenly distributed in monofilament or circumference.
Rib can extend along monofilament longitudinal axes parallel point-blank, but rib also can be made to extend around matrix with spiral-shaped.This especially can realize when strand turns or reverses in a manner known per se after extruded at monofilament.Preferably, with every meter or often run one meter 50 to 400 turns and carry out strand turn.
Can may specify in form of implementation of the present invention, whole matrix is made up of first area, and that is matrix is only made up of the first plastic material, remains on wherein to rib form fit.
Alternatively can specify, the first area of matrix have annular cross section and surround matrix at least one be in inner second area, described second area is made up of the 3rd plastic material.The serviceability of bristle that is that can make monofilament by this way or that manufactured by it is adaptive with the application target expected better.
In order to strengthen rib fixing or maintenance in the base, can specify in expansion design of the present invention, rib is connected to each other by the inner second area that is positioned at of matrix.
Due to form fit, freely plastic material can be selected to a great extent.Can specify in the form of implementation that the first is possible, the first plastic material of matrix first area is hard thermoplastic polyester and especially PBT (polybutylene terephthalate (PBT)).But alternatively also can specify, the first plastic material of matrix first area is soft thermoplastic and especially thermoplastic elastomer (TPE).
Second plastic material of rib also can be hard thermoplastic polyester and especially PBT (polybutylene terephthalate (PBT)) or soft thermoplastic and especially thermoplastic elastomer (TPE).
The 3rd plastic material being positioned at inner second area of matrix also can unrestricted choice widely.If the end that rib is in inner radial at it is connected to each other by the second area of matrix, then preferably specify, the 3rd plastic material of matrix second area is identical with the second plastic material of rib.
Specify in the preferred embodiment of the present invention, at least one rib is colored at least range selector and distinguishes with the remainder of monofilament in color thus.Can allow in this way user find out monofilament twisted turn or reverse, by this avoid use monofilament time produce obscure.
Can manufacture bristle by according to monofilament of the present invention by common mode, described bristle uses preferably as bristles.
Other details of the present invention and feature draw by referring to the explanation of accompanying drawing to embodiment.In the accompanying drawings:
Fig. 1 illustrates the cross section of the first form of implementation according to monofilament of the present invention,
Fig. 2 illustrates the flexible program of the form of implementation according to Fig. 1,
Fig. 3 cross section according to the second form of implementation of monofilament of the present invention is shown and
Fig. 4 illustrates the flexible program of the form of implementation according to Fig. 3.
Fig. 1 shows the cross section that monofilament 10 that cutting is made of plastics obtains, and described monofilament 10 has the matrix 11 of the band circular cross-section be made up of first area 13, and described matrix 11 is made up of the first plastic material, thermoplastic polyester as hard completely.Monofilament 10 have three that namely extend perpendicular to plotting planes in the vertical, from outside radially from the rib 12 that matrix 11 is outstanding.Each rib 12 has the triangular cross section that radially attenuates and fixes or remain on matrix 11 with its wider end regions being positioned at inner radial in the mode of form fit.Because form fit formula connects, can the material of unrestricted choice rib 12, this is irrelevant with the type of the first plastic material of matrix 11 in other words.Preferably, the second plastic material of rib 12 is soft thermoplastics.
Rib 12 can also or be welded and fixed or remain on additionally by bonding in matrix 11 except form fit formula connects.
Fig. 2 shows the embodiment of type identical with Fig. 1, and it is only with the difference of Fig. 1, is respectively equipped with the bottom 15 widened in the end regions of rib 12 inner radial, and this significantly improves the confining force needed by form fit formula connection realization.
Fig. 3 shows another embodiment according to monofilament 10 of the present invention.Matrix 11 has the first area 13 of being made up of the first plastic material, and described first area 13 has annular cross section.The second area 14 be made up of the 3rd plastic material of matrix is had in the first annular region 13 internal placement.Rib 12 to be fixed in the first annular region 13 of matrix 11 in the mode of form fit and to abut in being positioned on inner second area 14 of matrix 11 with the end of its inner radial.Preferably, rib 12 is positioned at inner second area 14 by bonding or being welded to connect at this and matrix 11.
Fig. 4 display is corresponding to the form of implementation of the embodiment according to Fig. 3, and it is only with the difference of Fig. 3, and the second area 14 being positioned at inside of rib 12 and matrix is made up of identical material and is designed to monolithic entity.

Claims (15)

1. the monofilament (10) with matrix (11) be made of plastics, described matrix (11) is at least made up of the first plastic material in first area (13), and described monofilament (10) has at least one rib (12) extending longitudinally along monofilament (10), described rib (12) be made up of the second plastic material and form fit remain in the first area (13) of matrix (11).
2. according to monofilament according to claim 1, it is characterized in that, the first area (13) of rib (12) and matrix (11) is additionally soldered.
3. according to the monofilament described in claim 1 or 2, it is characterized in that, rib (12) has radially tapered cross section.
4. according to monofilament according to claim 3, it is characterized in that, rib has the cross section of triangle or droplet-shaped.
5. according to the monofilament one of Claims 1-4 Suo Shu, it is characterized in that, be in the end regions of inner radial at rib (12) bottom (15) being designed with and widening.
6. according to the monofilament one of claim 1 to 5 Suo Shu, it is characterized in that, be provided with the rib (12) in multiple circumference being distributed in monofilament (10).
7. according to the monofilament one of claim 1 to 6 Suo Shu, it is characterized in that, first area (13) form whole matrix (11).
8. according to the monofilament one of claim 1 to 6 Suo Shu, it is characterized in that, the first area (13) of matrix (11) there is annular cross section and surround matrix (11) at least one be in inner second area (14), described second area (14) is made up of the 3rd plastic material.
9. according to monofilament according to claim 8, it is characterized in that, rib (12) is connected to each other by the second area (14) of matrix (11).
10. according to the monofilament one of claim 1 to 9 Suo Shu, it is characterized in that, the first plastic material of the first area (13) of matrix (11) is hard thermoplastic polyester and especially PBT (polybutylene terephthalate (PBT)).
11., according to the monofilament one of claim 1 to 9 Suo Shu, is characterized in that, the first plastic material of the first area (13) of matrix (11) is soft thermoplastic and especially thermoplastic elastomer (TPE).
12., according to the monofilament one of claim 1 to 11 Suo Shu, is characterized in that, the second plastic material of rib (12) is soft thermoplastic and especially thermoplastic elastomer (TPE).
13., according to the monofilament one of claim 1 to 11 Suo Shu, is characterized in that, the second plastic material of rib (12) is hard thermoplastic polyester and especially PBT (polybutylene terephthalate (PBT)).
14., according to the monofilament one of claim 8 to 13 Suo Shu, is characterized in that, the 3rd plastic material of second area (14) and the second plastic material of rib (12) are identical.
15. 1 kinds by the bristles made according to the monofilament one of claim 1 to 14 Suo Shu.
CN201480025042.9A 2013-05-08 2014-05-06 The monofilament being made of plastics and the bristles being made up of corresponding monofilament Active CN105188475B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013007870.9 2013-05-08
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
CN105188475A true CN105188475A (en) 2015-12-23
CN105188475B CN105188475B (en) 2017-07-04

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CN201480025042.9A Active CN105188475B (en) 2013-05-08 2014-05-06 The monofilament being made of plastics and the bristles being made up of 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)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
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

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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
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

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JP2010082094A (en) * 2008-09-30 2010-04-15 Sunstar Inc Toothbrush filament and toothbrush provided with the same
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CN1360474A (en) * 1999-07-13 2002-07-24 佩得克斯有限公司 Method of producing multi-layered bristle material, multi-layered bristle and its use
US20080221618A1 (en) * 2007-03-09 2008-09-11 Gaoyuan Chen Co-extruded tissue grasping monofilament
JP2010082094A (en) * 2008-09-30 2010-04-15 Sunstar Inc Toothbrush filament and toothbrush provided with the same
JP2011104012A (en) * 2009-11-13 2011-06-02 Toray Monofilament Co Ltd Monofilament for toothbrush

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Also Published As

Publication number Publication date
EP2934234A1 (en) 2015-10-28
KR20160006661A (en) 2016-01-19
CN105188475B (en) 2017-07-04
US20150354098A1 (en) 2015-12-10
JP2016524481A (en) 2016-08-18
EP2934234B1 (en) 2016-06-15
DE102013007870A1 (en) 2014-11-13
WO2014180560A1 (en) 2014-11-13

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