EP3722471A1 - Procédé de fabrication de bandes de tissus coupées à froid - Google Patents

Procédé de fabrication de bandes de tissus coupées à froid Download PDF

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Publication number
EP3722471A1
EP3722471A1 EP19168492.7A EP19168492A EP3722471A1 EP 3722471 A1 EP3722471 A1 EP 3722471A1 EP 19168492 A EP19168492 A EP 19168492A EP 3722471 A1 EP3722471 A1 EP 3722471A1
Authority
EP
European Patent Office
Prior art keywords
threads
laying
thread
cutting
fabric
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.)
Pending
Application number
EP19168492.7A
Other languages
German (de)
English (en)
Inventor
Erfindernennung liegt noch nicht vor Die
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
Priority to EP19168492.7A priority Critical patent/EP3722471A1/fr
Priority to CN202080038260.1A priority patent/CN113874569B/zh
Priority to EP20722471.8A priority patent/EP3953510B1/fr
Priority to US17/602,144 priority patent/US11932974B2/en
Priority to JP2021560089A priority patent/JP7465892B2/ja
Priority to PCT/EP2020/059944 priority patent/WO2020208047A1/fr
Priority to TW109112021A priority patent/TW202043575A/zh
Publication of EP3722471A1 publication Critical patent/EP3722471A1/fr
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D21/00—Lappet- or swivel-woven fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/06—Auxiliary apparatus combined with or associated with looms for treating fabric
    • D03J1/08—Auxiliary apparatus combined with or associated with looms for treating fabric for slitting fabric
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/49—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads textured; curled; crimped
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/587—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads adhesive; fusible
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D35/00—Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/40—Forming selvedges
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/70—Devices for cutting weft threads

Definitions

  • the invention relates to a method for producing cold-cut fabric webs.
  • the cutting of the individual webs of fabric takes place according to the prior art by melting the fabric material.
  • the warp and weft threads merge and the sheath edge can be prevented from fraying.
  • resistance wires or heating wires are usually used as cutting elements, and in some cases also hot knives.
  • Ultrasonic cutting which ultimately causes the melting process during cutting, is also known.
  • the prior art in this regard is the DE 2132853 A pointed out.
  • the hot cutting described above is limited to those fabric materials in which both the warp and the weft consist of thermoplastic threads that can be hot-cut. However, this is of course not the case in all applications, so that all of the above-described hot cutting processes can only be used with restrictions.
  • the object of the invention is to propose a manufacturing method for fabric webs in which hot cutting can be dispensed with because of the disadvantages and restrictions set out above, but in which the cutting edge is nevertheless soft and secure against fraying
  • the object is achieved by a manufacturing method according to claim 1.
  • the measures of the invention initially have the consequence that through the incorporation of zigzag structures prevents later fraying from the outset and that in a further step the webs of fabric are first cut with a cold knife or an equivalent tool.
  • the warp threads which, after cutting, lie loosely between the zigzag structure of the laying threads or effect threads and the cutting edge in the fabric, are then simply pulled off.
  • the warp threads which are located between the cutting-side laying points of said laying threads and the cutting edge, are pulled off downwards before the cutting process, these warp threads being constantly arranged in the deep shed during the weaving process and the pulling-off between the reed and the cutting device he follows.
  • the warp threads which are located between the cutting-side laying points of said laying threads and the cutting edge, are drawn off upwards or downwards before the shed, that is, they are not woven in at all.
  • the length of the weft thread tails at the fabric edge depends on the distance between the two adjacent zigzag structures, that is, on the number of warp threads lying loosely between the zigzag structure and the cutting edge.
  • a velvety soft edge is achieved by the weft thread tails described above.
  • thermoplastic threads as weft threads, as warp threads, also as individual warp threads in the area of the intended edges of the individual fabric webs, and / or as the zigzag-shaped effect threads - it can be advantageous to melt the fabric before cold cutting and thereby mechanically to fix. It can also be advantageous to fuse the zigzag threads with the weft threads on the underside of the fabric by means of a heating element.
  • thermoplastic threads as weft threads, as warp threads, also as individual warp threads in the area of the intended edges of the individual fabric webs, and / or as the zigzag-shaped effect threads - it can be advantageous to melt the fabric before cold cutting and thereby mechanically to fix. It can also be advantageous to fuse the zigzag threads with the weft threads on the underside of the fabric by means of a heating element.
  • thermoplastic threads in contrast to the methods using hot cutting - the thermoplastic threads are only melted, but not melted through.
  • a variant of the method according to the invention is particularly advantageous in which, in addition to the zigzag thread, a further laying thread is introduced which is connected to the zigzag thread in such a way that it prevents the zigzag thread from fraying.
  • This additional laying thread is practically in the direction of the warp thread and can - even with relatively short weft tails - prevent the zigzag thread from being detached from the weft thread tails. It is of course possible to combine this particularly advantageous embodiment of the invention with the above measures of gluing or melting. However, it has been found that this measure alone is an effective remedy against fraying.
  • the additional laying thread can also be thermally fusible or provided with a hot-melt adhesive layer and then the above-mentioned thermal fixation is also carried out, with the weft threads, the zigzag laying threads and / or individual or several warp threads also being fused on or with a hot-melt adhesive layer can be connected.
  • FIG. 1 to 5 shows a first, simple embodiment of the invention.
  • the weft thread 24 enters weft by weft into the respective open warp thread compartment 28, wherein in the embodiment example the weft thread guide 40 - in Figure 1 not shown - transfers to a transfer gripper and thus - produces the base fabric 20 by means of the beating through the reed 10.
  • laying threads or fancy threads 30, 34 are introduced in a zigzag shape by means of a multiplicity of feed needles or pricks 34, 36.
  • One of the known methods or facilities is used. The introduction of such laying or effect threads 30, 34 is already in the CH 490541 A described.
  • the effect threads 30, 32 are introduced into the shed or warp thread shed 28 from above by feed needles or pricks 32, 36 in such a way that they are pierced by the weft insertion element 40 and thereby bound into the fabric 20.
  • the feed needles 32, 36 are arranged between the reed stop and the reed 10.
  • the reed 10 is closed at the top as usual.
  • the zigzag pattern can also be used as in the WO 2011/095262 A1 be carried out, wherein the feed needles are not arranged between the reed stop and the reed 10, but between the reed 10 and the shedding device and the reed 10 has upwardly open reed teeth.
  • the two feed needles 32 and 36 shown here which in the overall device only form an illustrative section, are used in the exemplary embodiment for laying a zigzag arrangement - together with the further feed needle, not shown here, is guided back and forth synchronously in and against the weft insertion direction, as in FIG Figures 2 and 3 shown.
  • the cutting tool is also shown.
  • the cold cutting tool 50 namely a simple cutting knife in the present exemplary embodiment
  • the woven material 20 is cut into a plurality of woven fabric strips 22 in the area of the fabric take-off, wherein in Figure 3 only the interface between two of these fabric tapes 22 is shown.
  • the cutting process is carried out centrally between the two end points of the zigzag arrangement facing the cutting knife 50.
  • the respectively exposed four warp threads 60 are then pulled off laterally at an angle so that the remaining weft thread areas - in the exemplary embodiment approx. 1 mm long weft thread tails 25, which on the one hand already prevent the additional laying threads 30, 34 from fraying because they are held in tension and which, on the other hand, form a velvety finish of the respective fabric webs 22.
  • this is made possible by the fact that these warp threads remain in the deep shed during the entire weaving process and therefore never get over the weft threads. All other steps of the method - in particular the steps relating to the laying threads - are carried out exactly as in the first exemplary embodiment.
  • the laying threads 30, 34 can also be inserted under such high tension that the warp threads tied by them contract in the weft direction in such a way that a kind of cutting path is created and no excess warp threads have to be pulled off.
  • the cutting device 50 is so far removed from the nearest warp threads through the resulting cutting lane that they cannot be damaged.
  • weft thread tails 25 are formed by pulling together the warp threads.
  • a thermally fixable thread is used for at least one of the threads used, i.e. the laying thread, the weft thread or the warp thread, thermally fixed in the area of the fabric edge, for example by slightly melting it on its surface and thereby with the others Threads is mechanically fixed.
  • the laying thread 30, 32 is fused with the weft threads on the underside of the fabric by means of a heating element. Fusible laying threads and weft threads and, if necessary, warp threads are used and connected by melting to form an even more secure fabric edge. It should be emphasized that, unlike the state of the art, it is separated by means of hot cutting. the threads themselves are not damaged, but only melted on their surface. With careful handling, this also does not result in the disadvantages of hot cutting described.
  • At least one of the threads used is used with a hot-melt adhesive coating and the zigzag structure is created at temperatures below the melting point of the threads by means of a heating element - if fusible threads are used, which is not necessary in this embodiment example Zigzag structure hot-glued at the point of the fabric edge.
  • this additional laying thread 70 has the effect that the respective zigzag thread 30 or 34 is tied off relative to the weft thread 24 or relative to the weft thread tail 25 and is thus secured.
  • the additional laying thread 70 lies in the warp thread direction practically between the last remaining warp thread and the first loose warp thread 60 and thus forms the end of the fabric edge 26.
  • the additional laying thread can also assume a zigzag arrangement and need not necessarily form the end of the fabric edge. Its essential function, however, is that it additionally secures (“knots") the tie points between the laying thread 30, 34 and the weft thread 24 in order to prevent the zigzag thread 30, 34 from slipping off.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)
EP19168492.7A 2019-04-10 2019-04-10 Procédé de fabrication de bandes de tissus coupées à froid Pending EP3722471A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP19168492.7A EP3722471A1 (fr) 2019-04-10 2019-04-10 Procédé de fabrication de bandes de tissus coupées à froid
CN202080038260.1A CN113874569B (zh) 2019-04-10 2020-04-07 用于制造冷切织物幅的方法
EP20722471.8A EP3953510B1 (fr) 2019-04-10 2020-04-07 Procédé de fabrication de bandes de tissus coupées à froid
US17/602,144 US11932974B2 (en) 2019-04-10 2020-04-07 Method for producing cold cut textile webs
JP2021560089A JP7465892B2 (ja) 2019-04-10 2020-04-07 冷却切断織布片を製造する方法
PCT/EP2020/059944 WO2020208047A1 (fr) 2019-04-10 2020-04-07 Procédé de fabrication de bandes de tissu découpées à froid
TW109112021A TW202043575A (zh) 2019-04-10 2020-04-09 冷切織物網之製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19168492.7A EP3722471A1 (fr) 2019-04-10 2019-04-10 Procédé de fabrication de bandes de tissus coupées à froid

Publications (1)

Publication Number Publication Date
EP3722471A1 true EP3722471A1 (fr) 2020-10-14

Family

ID=66105099

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19168492.7A Pending EP3722471A1 (fr) 2019-04-10 2019-04-10 Procédé de fabrication de bandes de tissus coupées à froid
EP20722471.8A Active EP3953510B1 (fr) 2019-04-10 2020-04-07 Procédé de fabrication de bandes de tissus coupées à froid

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20722471.8A Active EP3953510B1 (fr) 2019-04-10 2020-04-07 Procédé de fabrication de bandes de tissus coupées à froid

Country Status (6)

Country Link
US (1) US11932974B2 (fr)
EP (2) EP3722471A1 (fr)
JP (1) JP7465892B2 (fr)
CN (1) CN113874569B (fr)
TW (1) TW202043575A (fr)
WO (1) WO2020208047A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4092174A1 (fr) * 2021-05-21 2022-11-23 Jacob Müller AG Frick Machine à tisser permettant de fabriquer des bandes de tissu découpées

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117758429B (zh) * 2024-02-21 2024-05-31 海阳科技股份有限公司 一种密度渐变式锦纶帘子布生产用织布机

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CH358760A (de) * 1956-06-04 1961-11-30 Kitahara Kiyoshi Anlage zur Herstellung von Textilbändern
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WO2007030954A1 (fr) * 2005-09-15 2007-03-22 Textilma Ag Procede pour fabriquer une bande de tissu, en particulier un tissu etroit, presentant un bord de velours et dispositif permettant la mise en oeuvre du procede
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Publication number Priority date Publication date Assignee Title
US572674A (en) * 1896-12-08 browning-
CH358760A (de) * 1956-06-04 1961-11-30 Kitahara Kiyoshi Anlage zur Herstellung von Textilbändern
CH490541A (de) 1969-05-05 1970-05-15 Mueller Jakob Verfahren und Vorrichtung zur Anbringung mindestens eines Effektfadens und/oder mindestens eines Befestigungsfadens für Gegenstände an Geweben, insbesondere Bandgeweben, während des Webvorganges
DE2132853A1 (de) 1970-07-03 1972-01-20 So Para Elektrisch heizbares Schneidgeraet(Brennmesser)
DE2315333A1 (de) 1973-03-28 1974-10-10 Seidenweberei Reutlingen Gerst Vorrichtung zum beschneiden der raender von textilbahnen
DE3919218A1 (de) 1989-06-13 1990-12-20 Autoflug Gmbh Traegheitssensor fuer blockiergeraete von sicherheitsgurtanordnungen
DE19510818C1 (de) 1995-03-24 1996-07-04 Volker Keith Widerstandsbeheizte Trennvorrichtung für textile Bahnen
WO2004070103A1 (fr) 2003-02-06 2004-08-19 Textilma Ag Dispositif de coupe servant au decoupage thermique d'une bande textile en mouvement, notamment a motifs
WO2007030954A1 (fr) * 2005-09-15 2007-03-22 Textilma Ag Procede pour fabriquer une bande de tissu, en particulier un tissu etroit, presentant un bord de velours et dispositif permettant la mise en oeuvre du procede
WO2011095262A1 (fr) 2010-02-06 2011-08-11 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Procédé et métier à tisser pour la production de tissus à effets trame supplémentaires

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4092174A1 (fr) * 2021-05-21 2022-11-23 Jacob Müller AG Frick Machine à tisser permettant de fabriquer des bandes de tissu découpées

Also Published As

Publication number Publication date
TW202043575A (zh) 2020-12-01
JP7465892B2 (ja) 2024-04-11
CN113874569A (zh) 2021-12-31
EP3953510A1 (fr) 2022-02-16
CN113874569B (zh) 2023-05-30
JP2022527617A (ja) 2022-06-02
US11932974B2 (en) 2024-03-19
EP3953510B1 (fr) 2023-08-02
WO2020208047A1 (fr) 2020-10-15
US20220235499A1 (en) 2022-07-28

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