EP0820542A1 - Installation de fabrication d'au moins une bande de tricot avec insertion de fils elastiques crochetes - Google Patents

Installation de fabrication d'au moins une bande de tricot avec insertion de fils elastiques crochetes

Info

Publication number
EP0820542A1
EP0820542A1 EP96919523A EP96919523A EP0820542A1 EP 0820542 A1 EP0820542 A1 EP 0820542A1 EP 96919523 A EP96919523 A EP 96919523A EP 96919523 A EP96919523 A EP 96919523A EP 0820542 A1 EP0820542 A1 EP 0820542A1
Authority
EP
European Patent Office
Prior art keywords
knitting
crochet
thread
rubber
band
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
EP96919523A
Other languages
German (de)
English (en)
Other versions
EP0820542B1 (fr
Inventor
Francisco Speich
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.)
Textilma AG
Original Assignee
Textilma AG
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 Textilma AG filed Critical Textilma AG
Publication of EP0820542A1 publication Critical patent/EP0820542A1/fr
Application granted granted Critical
Publication of EP0820542B1 publication Critical patent/EP0820542B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/18—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines
    • D04B23/06—Flat warp knitting machines for producing fabrics consisting of, or incorporating, elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/20—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration
    • D04B21/202—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration warp knitted yarns
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/03—Shape features
    • D10B2403/031—Narrow fabric of constant width
    • D10B2403/0311—Small thickness fabric, e.g. ribbons, tapes or straps

Definitions

  • the invention relates to a system for producing at least one knitted belt with crocheted rubber threads according to the preamble of claim 1.
  • a bare rubber thread is spun on a wrapping machine. It is a cost-intensive process that is carried out on expensive and noisy machines. Another method is to crochet a bare rubber thread using a separate crochet machine. Although this method is somewhat cheaper than the spinning process, it is nevertheless cost-intensive in terms of the method and the device.
  • a major disadvantage of the crochet process is that the number of stitches per unit length of the pre-crocheted Rubber thread should be coordinated with the corresponding number of stitches of the finished knitted band, which is difficult to achieve due to the elasticity of the rubber thread. Since the knitting tape and the crocheted rubber thread are produced separately in terms of time and location, there are also problems with the color matching of the crocheting thread and the thread of the warp fringes of the knitting tape.
  • a third possibility is that knitting ribbons are made with bare rubber threads and at the same time a melting thread is knitted over the width of the ribbon.
  • the disadvantages of this method include the high price of the additional melt thread, the additional melt treatment and the fact that an additional weft rod is required to guide the melt thread.
  • the object of the invention is to design a system of the type mentioned at the outset in such a way that the disadvantages mentioned are avoided.
  • the object is achieved in the installation of the type mentioned by the characterizing features of claim 1.
  • a crochet device with enveloping needles, sheath thread layers and gui thread layers is assigned to the belt knitting device at the same time means that the crocheting of the rubber threads is carried out on-line in synchronism with the production of the knitted belt on the same system.
  • the rubber threads are made available in the quantity and make-up required for the knitting of the knitting band, and the guiding of the crocheted rubber threads to the band knitting device takes place very precisely, so that the knitting band is of high quality in a simple and inexpensive manner can be made.
  • the knitted tape produced in this way has an optimal quality, since it keeps the crocheted rubber thread non-slip, in particular through its own crocheting of the rubber thread and through the additional connecting fringes.
  • the rubber thread When cutting the knitted tape produced, the rubber thread also does not jump inward, but essentially remains in its position.
  • the system is also particularly simple, since the same principles are used for wrapping and working the strip, so that the components and drives can be combined with one another in a simple manner.
  • the system can be designed such that only one knitting belt is produced on it, but the usual embodiment according to claim 2 is more advantageous, according to which a plurality of belt knitting devices are present on a system, which produce a corresponding number of knitting bands at the same time.
  • Claim 3 describes a particularly simple solution, according to which, in addition to the band knitting device, a crochet device for producing the crocheted rubber threads is arranged at the same time, the rubber threads emerging from the crochet device being fed via a deflection device to the band knitting device, so that corresponding tools in the same way with the band knitting device Work step on the one hand the crocheted rubber thread and on the other hand the knitted bands can be produced.
  • the crocheted rubber threads and the knitting bands are therefore produced synchronously, with only the crocheted feed being fed Rubber thread to the belt knitting device offset by the deflection takes place.
  • the use of the same laying bars for the tools of the crochet device and of the knitting device results not only in a simple structure of the device but in particular also in an exactly synchronous production of the crocheted rubber threads in relation to the production of the knitted band.
  • the rubber thread guide of the crochet device can be arranged on a separate laying bar or, according to claim 4, on the same laying bar as the rubber thread guide of the band knitting device, so that both thread guides execute exactly the same movements.
  • a separate take-off device can be provided.
  • a configuration according to claim 5 is particularly advantageous, according to which the same take-off device is used for the band knitting device and the crochet device.
  • Claim 6 describes a further advantageous embodiment of the system, according to which the crochet device is arranged upstream of the tape knitting device. Both devices can be provided with separate drives, but preferably have a common drive.
  • the drive can be designed in such a way that the crochet device and the knitting device work exactly synchronously and thus produce the same number of stitches per cm. If necessary, however, the transmission ratio of the drive to the wrapping device can be changed, so that the crocheting has a different number of stitches per cm than the knitted fabric produced.
  • the crocheted rubber threads can be fed to the band knitting device in a direct connection or preferably by means of a transport device according to claim 7. This allows the crocheted rubber threads to be fed to the tape knitting device controlled more precisely and preferably the pretension of the rubber thread can be set separately.
  • the crochet device is advantageously arranged over the knitting device according to claim 9.
  • An embodiment of the system according to claim 10 is particularly advantageous, according to which the crochet device is assigned a rubber thread feed device with preferably adjustable belt tension, so that the rubber thread can be given a pretension suitable for the knitting process at the belt knitting station.
  • the warp threads for the band knitting device and the covering threads for the crochet device can be fed by means of separate thread feeders.
  • an embodiment according to claim 11 is particularly advantageous, according to which the threads are arranged on a common warp beam.
  • Figure 2 shows the crocheted rubber thread of the figure
  • Figure 3 shows a knitting tape in cross section to the
  • Figure 4 shows a tape knitting device Plant for the production of a knitting tape, in vertical section
  • FIG. 5 shows a crochet device of the system according to FIG. 4, in vertical section
  • FIGS. 4 and 5 shows a warp beam for the system according to FIGS. 4 and 5;
  • FIG. 7 shows a further system for producing a knitting tape, in which a tape knitting device is preceded by a wrapping device, in vertical section.
  • Figures 1 and 2 show a rubber thread 2, which may consist of natural or synthetic rubber material.
  • the rubber thread 2 is crocheted with a hooking thread 4.
  • the covering thread 4 forms a fringe, the stitches 6 of which enclose the rubber thread 2.
  • the rubber thread 2 crocheted in this way is designated as a whole by 8.
  • FIG. 3 shows a knitted band 10 made of crocheted rubber threads 8 from FIGS. 1 and 2 in the detail and in cross section.
  • the crocheted rubber threads 8 are connected to one another by means of weft threads 12, 14, connecting fringes 16 made of warp threads 18 producing the connection between the weft threads 12, 14 on the individual crocheted rubber threads 8.
  • a belt knitting device 20 shown in FIG. 4 and one in FIG. 5 of the crocheting device each form part of a system for producing a knitting tape 10 with integrated crocheted rubber threads 8.
  • the tape knitting device 20 and the crocheting device 22 are arranged side by side in pairs.
  • a system can be designed for the production of a single knitting band 10, in which case only one band knitting device 20 and one wrapping device 22 are present, or for the simultaneous production of several knitting bands, so that a corresponding number of band knitting devices 20 and crocheting devices 22 arranged in pairs are arranged side by side , as indicated in FIG. 6 using the example of a warp beam 24, which is used for the simultaneous production of five knitting bands 10, 10a, 10b, 10c, 10d.
  • the warp beam 24 provides the respective warp knitting devices 20 and crocheting devices 22 arranged in pairs with warp threads 18 for the production of the connecting fringes 16 and crochet threads 4 for the crocheting of the rubber threads 2 according to FIGS. 1 to 3 for the production of the warp knitting bands.
  • the band knitting device 20 shown in FIG. 4 is of a conventional type and contains a reciprocating bar 26 to which knitting needles 28 are fastened, which are supported on a knock-off bar 30.
  • rubber thread layers 46 are arranged on a laying bar 44 and feed crocheted rubber threads 8 to a knitting point 47.
  • Weft thread layers 48, 50 also feed the weft threads 12, 14 to the knitting point at which the threads are bound by means of the warp threads 18 mentioned.
  • warp thread layers 52 are used, which are driven Laying bar 54 are fastened and put the warp threads 18 coming from the warp beam 24 around the knitting needles 28, so that when the knitting needles are withdrawn corresponding stitches are knocked off on the knock-off beam 30.
  • warp thread monitors 56 which scan the warp thread between two guides 58.
  • the laying bar 44 for the rubber thread layer 46 and the laying bar 51 for the weft thread layer 48, 50 are guided back and forth in a bearing block 60, the bearing block also executing an up and down movement.
  • Corresponding drives are known in large numbers, for example from DE-30 34 253 A1 or CH-661 305, so that in the present context these drives no longer need to be discussed in detail.
  • the crocheted rubber thread 8 fed to the band knitting device 20 is now produced in the same system with the crocheting device 22 arranged next to the band knitting device, which is shown in FIG. 5, so that the same parts are provided with the same reference numerals.
  • a bare rubber thread 2 is fed by means of a feed device 61, the rubber thread 2 being removed from a storage container 62 by means of a first transport device 64 from rollers 66 and being fed to a second transport device 68, which is also out Rollers 70 is formed.
  • the drive between the two transport devices 64, 68 can be set in such a way that the bare rubber thread 2 is fed with a certain pretension.
  • the pre-tensioned rubber thread then runs via a thread monitor 72 and a deflection roller 74 to the crochet point 76, a rubber thread layer 46a feeding the rubber thread to the enveloping needles 28a.
  • the rubber thread layer 46a is in turn arranged on the laying rod 44, which is mounted in the bearing block 60, as already described above. 1 to 3 are already used for crocheting described hooking threads 4, which are drawn off from the warp beam 24 and fed to the knitting needles 28a by means of a sheath warp thread layer 52a, which then each form the enveloping fringe on the bare rubber thread 2.
  • the crocheted rubber threads 8 are drawn off by the same take-off device 36, which also pulls the knitting bands 10 out of the knitting point. However, the crocheted rubber threads 8 are not fed like the knitting belt 10 to a winding device 42 but via a deflecting device 78 with deflecting rollers 80 to the knitting point 47 of the associated knitting device 20, as can be seen in FIG.
  • FIG. 7 shows a further system for producing a knitting band of the type shown in FIG. 3, this system having a band knitting device 20 of the type shown in FIG. 4, to which a crochet device 82 is not connected as in the system of FIGS. 4 and 5 but upstream .
  • the crochet device 82 of FIG. 7 is constructed analogously to the tape knitting device 20 and in turn contains enveloping needles 86 arranged on a bar 84, which are guided to and fro in a knock-off bar 88.
  • a guide bar 90 is arranged in front of the knock-off bar 88, with which it forms a guide gap 92 for removing the crocheted rubber thread 8.
  • the bare rubber thread 2 is in turn fed through a feed device 94, which can be designed analogously to that of FIG.
  • the rubber thread 2 is fed to the crochet point 102 via rubber thread layers 96, which are arranged on laying rods 98, which are in turn guided back and forth on a bearing block 100 and up and down.
  • Wrapping thread layers 104 are arranged on a laying bar 106 and in each case insert the wrapping thread 4, which is fed in a known manner via corresponding thread monitors 108, into the enveloping needles 86.
  • a common drive 110 with a schematic is used to drive the belt knitting device 20 and the crochet device 82 indicated branch 112 for the knitting machine 20 and a likewise schematically indicated branch 114 for the crochet device 82. This ensures a synchronous drive between the knitting device 20 and the sheathing device 22.
  • a control gear (not shown in more detail) can also be arranged in the branch 114 in order to provide the crochet device 82 with a drive speed which differs from the belt knitting device 20 and thereby the number of stitches per unit length compared to the number of stitches per unit length to change the tape knitting device 20.
  • the crocheted rubber threads 8 produced by the crochet device 82 can either be fed directly to the belt knitting device 20 or via a separate transport device 116 which, for example, has two rollers 118 over which the crocheted rubber threads are guided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Knitting Machines (AREA)

Abstract

L'invention concerne une installation de production d'au moins une bande de tricot (10) avec insertion de fils élastiques crochetés (8). Cette installation comporte au moins un dispositif de tricotage de bande (20) doté d'aiguilles de tricotage (28), de guides de fil de trame (48,50), de guides de fil élastique (46) et de guides de fil de chaîne (52), reposant sur les barres correspondantes (44,51,54). Afin de permettre une fabrication et un façonnage particulièrement faciles, économiques et sûrs des fils élastiques crochetés (8), l'invention intègre à l'installation un dispositif de crochetage (82) où les fils élastiques nus (2) sont crochetés avec la laine (4) au moyen d'aiguilles de tricotage (86) et de guides de laine (104) de telle façon que chaque fil élastique (8) soit produit directement en ligne et amené directement au dispositif de tricotage de bande (20).
EP96919523A 1995-06-20 1996-06-13 Installation de fabrication d'au moins une bande de tricot avec insertion de fils elastiques crochetes Expired - Lifetime EP0820542B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29509993U 1995-06-20
DE29509993U DE29509993U1 (de) 1995-06-20 1995-06-20 Anlage zur Herstellung mindestens eines Wirkbandes mit umhäkelten Gummifäden
PCT/CH1996/000226 WO1997000987A1 (fr) 1995-06-20 1996-06-13 Installation de fabrication d'au moins une bande de tricot avec insertion de fils elastiques crochetes

Publications (2)

Publication Number Publication Date
EP0820542A1 true EP0820542A1 (fr) 1998-01-28
EP0820542B1 EP0820542B1 (fr) 1999-08-25

Family

ID=8009509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96919523A Expired - Lifetime EP0820542B1 (fr) 1995-06-20 1996-06-13 Installation de fabrication d'au moins une bande de tricot avec insertion de fils elastiques crochetes

Country Status (6)

Country Link
EP (1) EP0820542B1 (fr)
KR (1) KR100380390B1 (fr)
DE (2) DE29509993U1 (fr)
ES (1) ES2135906T3 (fr)
TR (1) TR199701652T1 (fr)
WO (1) WO1997000987A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607182C2 (de) * 1996-02-27 1999-11-11 Wilhelm Langendorf Gmbh I K Elastisches Band
DE19621382C2 (de) * 1996-05-28 2002-02-14 Berger Gmbh Elastisches Band und Vorrichtung an einer Kettenwirkmaschine zur Herstellung des Bandes
EP1354064A2 (fr) 2000-12-01 2003-10-22 Visigen Biotechnologies, Inc. Synthese d'acides nucleiques d'enzymes, et compositions et methodes modifiant la fidelite d'incorporation de monomeres
US6755051B2 (en) 2002-10-07 2004-06-29 Delta Galil Industries, Ltd. Knitted garments and methods of fabrication thereof
DE10317163A1 (de) * 2003-04-14 2004-11-25 Berger Gmbh Verfahren zur Herstellung eines längselastischen gewirkten Bandes
KR100998250B1 (ko) 2008-07-15 2010-12-03 (주)동성코메즈 탄력성을 갖는 밴드
KR101827566B1 (ko) 2014-06-13 2018-02-08 타이완 파이호 리미티드 탄성 직물
KR102202124B1 (ko) 2020-07-31 2021-01-12 오영우 탄성끈 직조장치
KR102466327B1 (ko) * 2021-12-10 2022-11-14 최영운 망사 테이프 원단 제조 장치

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Publication number Priority date Publication date Assignee Title
AT17264B (de) * 1901-05-06 1904-08-10 Cosmopolitan Power Co Verfahren zur Kondensation von Dampf.
DE1032464B (de) * 1955-10-22 1958-06-19 Halstenbach & Co Verfahren zum Umhaekeln eines oder mehrerer elastischer, aus Gummi, Latex od. dgl. bestehenden Fadens oder bestehender Faeden
US3258941A (en) * 1963-05-21 1966-07-05 Rimoldi C Spa Virginio Resilient knitted band
BE793456A (fr) * 1972-01-04 1973-04-16 Cheynet & Ses Fils S A Ets Procede de tissage utilisant des fils guipes, et notamment des fils elastiques guipes directement sur les metiers a tisser, les moyens de miseen oeuvre de ce procede et les rubans, tissus et articles tisses resultant
FR2182402A5 (en) * 1972-04-26 1973-12-07 Texel Sa Elasticated tape - having untensioned rubber yarn forming relief anti-slip pattern on one surface
DE4307917C2 (de) * 1993-03-12 1995-11-09 Malimo Maschinenbau Maschinensystem zur Herstellung eines Vliesstoffes mit beiderseits durch Fasermaschen verfestigten Oberflächen
DE4328951A1 (de) * 1993-08-27 1995-03-02 Muenchberger Band & Gurt Elastisches Band, insbesondere Polsterband

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9700987A1 *

Also Published As

Publication number Publication date
KR100380390B1 (ko) 2003-07-18
TR199701652T1 (xx) 1998-04-21
DE59602878D1 (de) 1999-09-30
WO1997000987A1 (fr) 1997-01-09
ES2135906T3 (es) 1999-11-01
DE29509993U1 (de) 1995-09-14
EP0820542B1 (fr) 1999-08-25
KR19990022956A (ko) 1999-03-25

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