EP1342822A1 - Highly elastic knitted fabric - Google Patents

Highly elastic knitted fabric Download PDF

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Publication number
EP1342822A1
EP1342822A1 EP03003312A EP03003312A EP1342822A1 EP 1342822 A1 EP1342822 A1 EP 1342822A1 EP 03003312 A EP03003312 A EP 03003312A EP 03003312 A EP03003312 A EP 03003312A EP 1342822 A1 EP1342822 A1 EP 1342822A1
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EP
European Patent Office
Prior art keywords
thread
knitted fabric
highly elastic
yarn
fabric according
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Granted
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EP03003312A
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German (de)
French (fr)
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EP1342822B1 (en
Inventor
Josef Ing. Metzler
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Wolford AG
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Wolford AG
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft 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 goods of particular configuration
    • D04B1/24—Weft 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 goods of particular configuration wearing apparel
    • D04B1/246—Upper torso garments, e.g. sweaters, shirts, leotards

Definitions

  • the invention relates to a highly elastic fabric having an elastic elongation of at least 200% in the direction of the courses and at least 150% in the direction of the wales measured with a force of 10 N and which has a basis weight of at most 220g / m 2 , wherein at least every second Mesh of the knitted fabric is formed by a yarn having a wound with at least one polyamide thread elastane thread and further at least one cellulosic thread.
  • Highly elastic knitted fabrics with the elongation values given above are used in particular in the fine stocking sector, but also in the laundry sector, for example underwear and shirts.
  • a yarn is used at least in every second course of the knitted fabric, which is usually formed by a wound elastane thread.
  • a polyamide thread is usually used as the sheath thread, and other sheath threads such as polyester threads are conceivable and possible.
  • every other row of stitches consists of a wound elastane thread. But it is also partially all the courses formed from such a wound elastane thread.
  • a double-wound by means of a Umwindemaschine elastane thread is also shown in DE 40 27 279 A1.
  • the elastane thread runs between a coil and a delivery mechanism, which pulls the elastane thread from the spool and which is followed by a Aufwickelstelle. Between the spool and the delivery mechanism, the thread passes through two successively arranged rotary hollow spindles, the disc spools with the supply of each thread to be wrapped wear.
  • the inner sheath thread of the taught in DE 40 27 279 A1 combination yarn is made of a soluble, such as PVA-hot water-soluble thread and the outer sheath thread is formed by a textile thread, such as viscose, polyamide or polyester.
  • An elastic core thread is passed through a Umwirbelungsdüse together with one or more sheath threads and vortexed.
  • the sheath thread may, for example, consist of polyester, polyamide, viscose filament yarn, cotton or a combination of several yarns.
  • the elastane yarn swirled with the sheath thread is subsequently guided through a hollow spindle and wound around by another sheath thread. It can be used in this case the same sheath threads as for the reeled sheath thread or other sheath threads.
  • a knitted fabric of the type mentioned is apparent from DE 195 06 227 A1.
  • a knit fabric or knitted fabric is known from a yarn having a central textile thread and at least one cellulose triacetate thread wound around the textile thread.
  • a textile thread is preferably a nylon thread or an elastic polyurethane thread, so elastane thread provided.
  • the central textile thread is wound twice.
  • the first sheath may be formed, for example, by a nylon thread or polyamide thread, and the second sheath by a cellulose triacetate thread. In such a double wrap, which conventionally takes place in a single production step, the two lap threads have different directions of rotation about the central thread.
  • the object of the invention is to provide a highly elastic fabric of the type mentioned, with a thin design and a good durability and a pleasant wearing comfort has a high natural fiber content. According to the invention, this is achieved by a knit fabric having the features of claim 1.
  • viscose or cotton can be used as the cellulosic thread.
  • other threads made of cellulosic fibers such as linen, flax, hemp or jute. All such cellulosic fibers are referred to in this document as "natural plant fibers".
  • These cellulosic fibers may be staple fibers or continuous fibers.
  • the number of revolutions of the sheath yarn produced in Umwindemaschinen is usually much higher than the twist rotation generated in a twisting machine.
  • the number of revolutions of the polyamide around the spandex in the range between 1500 and 2000 revolutions per meter and the twist of the twist between the wound elastane thread and the cellulosic thread may range between 250 and 450 revolutions per minute.
  • Fig. 1 is shown as a knitted fabric 1, for example, a shirt. Further preferred embodiments of the knitted fabric are fine stockings and pantyhose, underwear, bodysuits, leggings, etc.
  • the courses shown in FIG. 2 are present, of which at least every other row of stitches is made of an elastic yarn 3 is formed. Intermediate courses can be formed from an inelastic polyamide yarn. But it can also all courses 2 consist of an elastic yarn, whereby a particularly high elasticity of the fabric 1 can be achieved.
  • the elastic elongation of the knitted fabric is at least 200% in the transverse direction, ie in the direction of the courses 2, and at least 150% in the longitudinal direction, ie in the direction of the wales 7, measured with a force of 10 N.
  • a knitted fabric according to the invention is made relatively thin and has a basis weight of at most 220 g / m 2 .
  • the knitted fabric can be made transparent, in particular in the fine-stocking region, a highly transparent formation of the knitted fabric is preferred.
  • the elastic yarn 3 shown schematically in FIG. 3 has an elastane thread 4.
  • elastane threads or elastic polyurethane threads are commercially available, inter alia, under the name Lycra or Dorlastan.
  • the elastane thread is wound by a Umwindemaschine, which may be formed in a conventional manner, by a polyamide thread 5, wherein the Umwindungsiere or revolution number in the range between 800 and 3000 revolutions per meter.
  • a preferred range of the number of revolutions is between 1,000 and 2,500 revolutions per meter.
  • the elastane thread 4 wrapped with the polyamide thread 5 and a cellulosic thread 6 are twisted together by means of a twisting machine.
  • a twisting machine is in particular the ring twisting machine, which corresponds to a ring spinning machine without upstream drafting.
  • the twist is a maximum of 1,000 revolutions per meter, with a range between 200 and 800 revolutions per meter is preferred.
  • a particularly preferred range in which good experimental results have been achieved is between 250 and 450 revolutions per meter.
  • this yarn 3 is thus carried out in a two-stage manufacturing process, namely by winding on a Umwindemaschine and then by twisting on a twisting machine.
  • the direction of rotation of the polyamide thread around the elastane thread and the direction of rotation between the cellulosic thread and the elastane thread wrapped with the polyamide thread may be the same or opposite.
  • the titer of the elastane thread amounts to a maximum of 105 dtex in the support laundry area, for example.
  • the titer of the elastane yarn is at most 44 dtex.
  • An inventive knit fabric can advantageously also have a very low denier of the elastane yarn, which can be, for example, 10 dtex or 8 dtex.
  • the denier of the polyamide yarn in the laundry area is preferably at most 150 dtex, in the fine stocking region at a maximum of 78 dtex, while the denier of the cellulose yarn in the laundry area is preferably at most 150 dtex and in the fine stocking region is at most 100 dtex.
  • the polyamide thread 5 and the existing of a cellulosic fiber thread 6 are preferably formed multifilament, although a monofilament training would be conceivable and possible in principle.
  • the elastane thread 4 is stretched in the yarn 3, for example by a factor of at least 1.5. This factor can also be higher, for example in the range between 2 and 4.
  • the elastane thread has 17 dtex, the polyamide thread 11 dtex and the cellulosic thread 33 dtex.
  • a cellulosic thread for example, cupro, a viscous-like material can be used.

Abstract

The knitted fabric has a high elastic stretch performance in a maximum fabric weight of 220 g/m2>, of at least 200% along the rows of stitches and at least 150% along the wales measured with a force of 10 N. At least every second row of stitches in the fabric uses a yarn (3) with an elastane thread (4) within a winding of a polyamide thread (5) together with at least one cellulose thread. The cellulose thread is twisted together with the cladded elastane thread, in a yarn with a maximum of 1000 twists/m, and preferably 250-450 twists/m. The fabric has a high transparency.

Description

Die Erfindung betrifft ein hochelastisches Gestrick, welches eine elastische Dehnung von mindestens 200% in Richtung der Maschenreihen und mindestens 150% in Richtung der Maschenstäbchen gemessen mit einer Kraft von 10 N und welches ein Flächengewicht von höchstens 220g/m2 aufweist, wobei mindestens jede zweite Maschenreihe des Gestricks von einem Garn gebildet wird, welches einen mit mindestens einem Polyamidfaden umwundenen Elastanfaden und weiters mindestens einen zellulosischen Faden aufweist .The invention relates to a highly elastic fabric having an elastic elongation of at least 200% in the direction of the courses and at least 150% in the direction of the wales measured with a force of 10 N and which has a basis weight of at most 220g / m 2 , wherein at least every second Mesh of the knitted fabric is formed by a yarn having a wound with at least one polyamide thread elastane thread and further at least one cellulosic thread.

Hochelastische Gestricke mit den vorstehend angegebenen Dehnungswerten werden insbesondere im Feinstrumpfbereich, aber auch im Wäschebereich, beispielsweise bei Unterwäsche und Shirts verwendet. Zur Erzielung der hohen Elastizität wird zumindest in jeder zweiten Maschenreihe des Gestricks ein Garn eingesetzt, das üblicherweise von einem umwundenen Elastanfaden gebildet wird. Im Feinstrumpfbereich wird als Hüllfaden üblicherweise ein Polyamidfaden verwendet, auch andere Hüllfäden wie Polyesterfäden sind denkbar und möglich. In einer verbreiteten Ausführungsform besteht jede zweite Maschenreihe aus einem umwundenen Elastanfaden. Es werden aber teilweise auch alle Maschenreihen aus einem solchen umwundenen Elastanfaden ausgebildet.Highly elastic knitted fabrics with the elongation values given above are used in particular in the fine stocking sector, but also in the laundry sector, for example underwear and shirts. To achieve the high elasticity, a yarn is used at least in every second course of the knitted fabric, which is usually formed by a wound elastane thread. In the fine hosiery area, a polyamide thread is usually used as the sheath thread, and other sheath threads such as polyester threads are conceivable and possible. In a common embodiment, every other row of stitches consists of a wound elastane thread. But it is also partially all the courses formed from such a wound elastane thread.

Anstelle eines einfach umwundenen Elastanfadens wurde herkömmlicherweise auch bereits ein doppelt umwundener Elastanfaden eingesetzt, wobei die Umwindungsrichtungen der beiden Mantelkomponenten gegenläufig sind. Dies hat den Vorteil einer erhöhten Haltbarkeit, wobei die Elastizität des Garns und somit des Gestricks allerdings herabgesetzt wird und die Garnkosten wesentlich höher sind.Instead of a simply wound elastane thread, a double-wound elastane thread has traditionally also been used, the directions of the two jacket components being in opposite directions. This has the advantage of increased durability, whereby the elasticity of the yarn and thus of the knitted fabric is reduced and the yarn costs are considerably higher.

Ein mittels einer Umwindemaschine doppelt umwundener Elastanfaden ist auch in der DE 40 27 279 A1 gezeigt. Der Elastanfaden verläuft zwischen einer Spule und einem Lieferwerk, welches den Elastanfaden von der Spule abzieht und dem eine Aufwickelstelle nachgeschaltet ist. Zwischen der Spule und dem Lieferwerk verläuft der Faden durch zwei hintereinander angeordnete rotierende Hohlspindeln, die Scheibenspulen mit dem Vorrat an dem jeweils zu umwindenden Faden tragen. Der innere Hüllfaden des in der DE 40 27 279 A1 gelehrten Kombinations-Garnes wird von einem löslichen, beispielsweise PVA-heißwasserlöslichen Faden und der äußere Hüllfaden wird von einem textilen Faden, beispielsweise Viskose, Polyamid oder Polyester gebildet.A double-wound by means of a Umwindemaschine elastane thread is also shown in DE 40 27 279 A1. The elastane thread runs between a coil and a delivery mechanism, which pulls the elastane thread from the spool and which is followed by a Aufwickelstelle. Between the spool and the delivery mechanism, the thread passes through two successively arranged rotary hollow spindles, the disc spools with the supply of each thread to be wrapped wear. The inner sheath thread of the taught in DE 40 27 279 A1 combination yarn is made of a soluble, such as PVA-hot water-soluble thread and the outer sheath thread is formed by a textile thread, such as viscose, polyamide or polyester.

Aus der DE 196 51 333 A1 ist weiters ein Verfahren zu Herstellung eines elastischen Garns bekannt. Ein elastischer Kernfaden wird zusammen mit einem oder mehreren Mantelfäden durch eine Umwirbelungsdüse geführt und umwirbelt. Der Mantelfaden kann beispielsweise aus Polyester, Polyamid, Viskose-Filamentgarn, Baumwolle oder aus einer Kombination mehrerer Garne bestehen. Das mit dem Mantelfaden umwirbelte Elastangarn wird in der Folge durch eine Hohlspindel geführt und von einem weiteren Mantelfaden umwunden. Es können hierbei die gleichen Mantelfäden wie für den umwirbelten Mantelfaden oder andere Mantelfäden eingesetzt werden.From DE 196 51 333 A1 further a method for producing an elastic yarn is known. An elastic core thread is passed through a Umwirbelungsdüse together with one or more sheath threads and vortexed. The sheath thread may, for example, consist of polyester, polyamide, viscose filament yarn, cotton or a combination of several yarns. The elastane yarn swirled with the sheath thread is subsequently guided through a hollow spindle and wound around by another sheath thread. It can be used in this case the same sheath threads as for the reeled sheath thread or other sheath threads.

Ein Gestrick der eingangs genannten Art geht aus der DE 195 06 227 A1 hervor. In dieser Schrift ist ein Gestrick, Gewebe oder Gewirk aus einem Garn bekannt, welches einen zentralen Textilfaden und mindestens einen Cellulosetriacetatfaden aufweist, der um den Textilfaden gewunden ist. Als Textilfaden ist bevorzugterweise ein Nylonfaden oder ein elastischer Polyurethanfaden, also Elastanfaden vorgesehen. Bei einer der gezeigten Ausführungsformen ist der zentrale Textilfaden doppelt umwunden. Die erste Ummantelung kann beispielsweise von einem Nylonfaden oder Polyamidfaden und die zweite Ummantelung von einem Cellulosetriacetatfaden gebildet werden. Bei einer solchen doppelten Umwindung, die herkömmlicherweise in einem einzelnen Verfahrensschritt der Herstellung erfolgt, weisen die beiden Umwindungsfäden unterschiedliche Drehrichtungen um den zentralen Faden auf. Eine Umwindung mit einem Naturgarn wie einem Cellulosetriacetatfaden ist mittels einer herkömmlichen Umwindungsmaschine aber kaum möglich, da solche Naturgarne der damit verbundenen Belastung nicht standhalten können und reißen. Die übliche Umdrehungsgeschwindigkeit einer Spindel einer Umwindungsmaschine liegt im Bereich von 20 000 Umdrehungen pro Minute. Die Herstellung eines solchen Garns ist daher in der industriellen Massenproduktion praktisch nicht möglich und ein solches Garn hat keinen Einzug in die Praxis gefunden.A knitted fabric of the type mentioned is apparent from DE 195 06 227 A1. In this document, a knit fabric or knitted fabric is known from a yarn having a central textile thread and at least one cellulose triacetate thread wound around the textile thread. As a textile thread is preferably a nylon thread or an elastic polyurethane thread, so elastane thread provided. In one of the embodiments shown, the central textile thread is wound twice. The first sheath may be formed, for example, by a nylon thread or polyamide thread, and the second sheath by a cellulose triacetate thread. In such a double wrap, which conventionally takes place in a single production step, the two lap threads have different directions of rotation about the central thread. However, it is scarcely possible to wrap around with a natural yarn, such as a cellulose triacetate thread, by means of a conventional wrapping machine, since such natural yarns can not withstand the associated load and tear. The usual rotational speed of a spindle of a wrapping machine is in the range of 20,000 revolutions per minute. The production of such a yarn is therefore practically impossible in industrial mass production and such a yarn has not found its way into practice.

Aufgabe der Erfindung ist es, ein hochelastisches Gestrick der eingangs genannten Art bereitzustellen, das bei einer dünnen Ausbildung und einer guten Haltbarkeit sowie einem angenehmen Tragekomfort einen hohen pflanzlichen Naturfaseranteil aufweist. Erfindungsgemäß gelingt dies durch ein Gestrick mit den Merkmalen des Anspruchs 1.The object of the invention is to provide a highly elastic fabric of the type mentioned, with a thin design and a good durability and a pleasant wearing comfort has a high natural fiber content. According to the invention, this is achieved by a knit fabric having the features of claim 1.

Durch die Verzwirnung des mit dem Polyamidfaden umwundenen Elastanfadens mit einem zellulosischen Faden wird im Gegensatz zu einem doppelt umwundenen Elastanfaden eine wesentlich offenere Struktur des Garns ausgebildet, wodurch ein wesentlich weicherer Griff erreicht wird. Auch eine höhere Dehnbarkeit des Garns und damit des Gestricks ist erfindungsgemäß erzielbar. Dennoch wurde in Abriebversuchen eine gute Haltbarkeit des Gestricks festgestellt. Auch kann ein erfindungsgemäßes Gestrick sehr dünn und mit einer hohen Transparenz ausgebildet werden.Due to the twisting of the elastane thread wrapped with the polyamide thread with a cellulosic thread, in contrast to a double-wrapped elastane thread, a substantially more open structure of the yarn is formed, as a result of which a considerably softer feel is achieved. Also, a higher extensibility of the yarn and thus of the knitted fabric can be achieved according to the invention. Nevertheless, a good durability of the knitwear was found in abrasion tests. Also, an inventive knit fabric can be made very thin and with a high transparency.

Als zellulosischer Faden kann insbesondere Viskose oder Baumwolle verwendet werden. Denkbar und möglich wäre aber auch die Verwendung von anderen Fäden aus zellulosischen Fasern wie Leinen, Flachs, Hanf oder Jute. Alle solche zellulosischen Fasern werden im Rahmen dieser Schrift als "pflanzliche Naturfasern" bezeichnet. Es kann sich bei diesen zellulosischen Fasern um Stapelfasern oder Endlosfasern handeln.In particular viscose or cotton can be used as the cellulosic thread. However, it would also be conceivable and possible to use other threads made of cellulosic fibers such as linen, flax, hemp or jute. All such cellulosic fibers are referred to in this document as "natural plant fibers". These cellulosic fibers may be staple fibers or continuous fibers.

Die bei Umwindemaschinen erzeugte Umdrehungszahl des Hüllfadens liegt üblicherweise deutlich höher als die bei einer Zwirnmaschine erzeugte Zwirndrehung. Beispielsweise kann die Umdrehungszahl des Polyamids um das Elastan im Bereich zwischen 1 500 und 2 000 Umdrehungen pro Meter und die Zwirndrehung zwischen dem umwundenen Elastanfaden und dem zellulosischen Faden im Bereich zwischen 250 und 450 Umdrehungen pro Minute liegen.The number of revolutions of the sheath yarn produced in Umwindemaschinen is usually much higher than the twist rotation generated in a twisting machine. For example, the number of revolutions of the polyamide around the spandex in the range between 1500 and 2000 revolutions per meter and the twist of the twist between the wound elastane thread and the cellulosic thread may range between 250 and 450 revolutions per minute.

Weitere Vorteile und Einzelheiten der Erfindung werden im folgenden anhand der beiliegenden Zeichnung erläutert. In dieser zeigen:

Fig. 1
eine schematische Darstellung eines Ausführungsbeispiels für ein erfindungsgemäßes Gestrick;
Fig. 2
ein vergrößerter Ausschnitt des Gestricks und
Fig. 3
eine schematische Darstellung eines Abschnittes des elastischen Garns, aus welchem mindestens jede zweite Maschenreihe des Gestricks besteht.
Further advantages and details of the invention are explained below with reference to the accompanying drawings. In this show:
Fig. 1
a schematic representation of an embodiment of an inventive knit fabric;
Fig. 2
an enlarged section of the knitted fabric and
Fig. 3
a schematic representation of a portion of the elastic yarn, which consists of at least every other row of stitches of the knitted fabric.

In Fig. 1 ist als Gestrick 1 beispielsweise ein Shirt dargestellt. Weitere bevorzugte Ausführungsbeispiele des Gestricks sind Feinstrümpfe und Feinstrumpfhosen, Unterwäsche, Bodys, Leggings usw. Bei dem insbesondere auf einer Einzylinderrundstrickmaschine hergestellten Rechts-Links-Gestrick sind die in Fig. 2 dargestellten Maschenreihen 2 vorhanden, von denen mindestens jede zweite Maschenreihe aus einem elastischen Garn 3 gebildet ist. Dazwischenliegende Maschenreihen können aus einem unelastischen Polyamidgarn gebildet sein. Es können aber auch alle Maschenreihen 2 aus einem elastischen Garn bestehen, wodurch eine besonders hohe Elastizität des Gestricks 1 erreicht werden kann.In Fig. 1 is shown as a knitted fabric 1, for example, a shirt. Further preferred embodiments of the knitted fabric are fine stockings and pantyhose, underwear, bodysuits, leggings, etc. In the right-left knitted fabric produced in particular on a single-cylinder circular knitting machine, the courses shown in FIG. 2 are present, of which at least every other row of stitches is made of an elastic yarn 3 is formed. Intermediate courses can be formed from an inelastic polyamide yarn. But it can also all courses 2 consist of an elastic yarn, whereby a particularly high elasticity of the fabric 1 can be achieved.

Die elastische Dehnung des Gestricks beträgt in Querrichtung, d. h. in Richtung der Maschenreihen 2, mindestens 200% und in Längsrichtung, d. h. in Richtung der Maschenstäbchen 7, mindestens 150%, dies gemessen mit einer Kraft von 10 N. Ein erfindungsgemäßes Gestrick ist relativ dünn ausgebildet und weist ein Flächengewicht von höchstens 220g/m2 auf. Das Gestrick kann transparent ausgebildet sein, insbesondere im Feinstrumpfbereich ist eine hochtransparente Ausbildung des Gestricks bevorzugt.The elastic elongation of the knitted fabric is at least 200% in the transverse direction, ie in the direction of the courses 2, and at least 150% in the longitudinal direction, ie in the direction of the wales 7, measured with a force of 10 N. A knitted fabric according to the invention is made relatively thin and has a basis weight of at most 220 g / m 2 . The knitted fabric can be made transparent, in particular in the fine-stocking region, a highly transparent formation of the knitted fabric is preferred.

Das in Fig. 3 schematisch dargestellte elastische Garn 3 weist einen Elastanfaden 4 auf. Solche Elastanfäden bzw. elastische Polyurethanfäden werden im Handel unter anderem unter der Bezeichnung Lycra oder Dorlastan angeboten.The elastic yarn 3 shown schematically in FIG. 3 has an elastane thread 4. Such elastane threads or elastic polyurethane threads are commercially available, inter alia, under the name Lycra or Dorlastan.

Der Elastanfaden ist mittels einer Umwindemaschine, die in herkömmlicher Weise ausgebildet sein kann, von einem Polyamidfaden 5 umwunden, wobei die Umwindungszahl bzw. Umdrehungszahl im Bereich zwischen 800 und 3 000 Umdrehungen pro Meter liegt. Ein bevorzugter Bereich der Umdrehungszahl ist zwischen 1 000 und 2 500 Umdrehungen pro Meter.The elastane thread is wound by a Umwindemaschine, which may be formed in a conventional manner, by a polyamide thread 5, wherein the Umwindungszahl or revolution number in the range between 800 and 3000 revolutions per meter. A preferred range of the number of revolutions is between 1,000 and 2,500 revolutions per meter.

Der mit dem Polyamidfaden 5 umwundene Elastanfaden 4 und ein zellulosischer Faden 6 sind mittels einer Zwirnmaschine miteinander verzwirnt. Eine übliche Ausführungsform einer Zwirnmaschine ist insbesondere die Ringzwirnmaschine, die einer Ringspinnmaschine ohne vorgeschaltetem Streckwerk entspricht. Die Zwirndrehung beträgt maximal 1 000 Umdrehungen pro Meter, wobei ein Bereich zwischen 200 und 800 Umdrehungen pro Meter bevorzugt ist. Ein besonders bevorzugter Bereich, bei dem gute Versuchsergebnisse erzielt wurden, liegt zwischen 250 und 450 Umdrehungen pro Meter.The elastane thread 4 wrapped with the polyamide thread 5 and a cellulosic thread 6 are twisted together by means of a twisting machine. A common embodiment of a twisting machine is in particular the ring twisting machine, which corresponds to a ring spinning machine without upstream drafting. The twist is a maximum of 1,000 revolutions per meter, with a range between 200 and 800 revolutions per meter is preferred. A particularly preferred range in which good experimental results have been achieved is between 250 and 450 revolutions per meter.

Die Herstellung dieses Garns 3 erfolgt somit in einem zweistufigen Herstellungsprozeß, nämlich durch Umwinden auf einer Umwindemaschine und anschließend durch Verzwirnen auf einer Zwirnmaschine. Die Umdrehungsrichtung des Polyamidfadens um den Elastanfaden und die Umdrehungsrichtung zwischen dem zellulosischem Faden und dem mit dem Polyamidfaden umwundenen Elastanfaden können gleich oder entgegengesetzt sein.The production of this yarn 3 is thus carried out in a two-stage manufacturing process, namely by winding on a Umwindemaschine and then by twisting on a twisting machine. The direction of rotation of the polyamide thread around the elastane thread and the direction of rotation between the cellulosic thread and the elastane thread wrapped with the polyamide thread may be the same or opposite.

Der Titer des Elastanfadens beträgt beispielsweise im Stützwäschebereich maximal 105 dtex. Bei Feinstrumpf- und Wäscheanwendungen liegt der Titer des Elastanfadens bei maximal 44 dtex. Ein erfindungsgemäßes Gestrick kann vorteilhafterweise auch einen sehr geringen Titer des Elastanfadens aufweisen, der beispielsweise bei 10 dtex oder 8 dtex liegen kann.The titer of the elastane thread amounts to a maximum of 105 dtex in the support laundry area, for example. In fine sock and wash applications, the titer of the elastane yarn is at most 44 dtex. An inventive knit fabric can advantageously also have a very low denier of the elastane yarn, which can be, for example, 10 dtex or 8 dtex.

Der Titer des Polyamidfadens liegt im Wäschebereich bevorzugterweise bei maximal 150 dtex, im Feinstrumpfbereich bei maximal 78 dtex, während der Titer des Cellulosefadens im Wäschebereich bei vorzugsweise maximal 150 dtex und im Feinstrumpfbereich bei maximal 100 dtex liegt.The denier of the polyamide yarn in the laundry area is preferably at most 150 dtex, in the fine stocking region at a maximum of 78 dtex, while the denier of the cellulose yarn in the laundry area is preferably at most 150 dtex and in the fine stocking region is at most 100 dtex.

Der Polyamidfaden 5 und der aus einer zellulosischen Faser bestehende Faden 6 sind bevorzugterweise multifil ausgebildet, obwohl auch eine monofile Ausbildung prinzipiell denkbar und möglich wäre. Der Elastanfaden 4 ist im Garn 3 verstreckt, beispielsweise um einen Faktor von mindestens 1,5. Dieser Faktor kann auch höher liegen, beispielsweise im Bereich zwischen 2 und 4.The polyamide thread 5 and the existing of a cellulosic fiber thread 6 are preferably formed multifilament, although a monofilament training would be conceivable and possible in principle. The elastane thread 4 is stretched in the yarn 3, for example by a factor of at least 1.5. This factor can also be higher, for example in the range between 2 and 4.

Als Beispiel für die Titer des Garns 3 besitzt der Elastanfaden 17 dtex, der Polyamidfaden 11 dtex und der zellulosische Faden 33 dtex. Als zellulosischer Faden kann beispielsweise Cupro, ein viskoseähnliches Material eingesetzt werden.As an example of the denier of the yarn 3, the elastane thread has 17 dtex, the polyamide thread 11 dtex and the cellulosic thread 33 dtex. As a cellulosic thread, for example, cupro, a viscous-like material can be used.

Anstelle einer Umwindung des Elastanfadens mit einem einzelnen Polyamidfaden ("single-covered") könnte prinzipiell auch eine doppelte Umwindung des Elastanfadens mit einem Polyamidfaden vorgesehen sein ("double-covered"). Anstelle eines einzelnen zellulosischen Fadens könnten prinzipiell auch mehrere zellulosische Fäden vorgesehen sein, die zusammen mit dem Elastanfaden verzwirnt sind.Instead of wrapping the elastane thread with a single polyamide thread ("single-covered") could in principle be provided a double wrap the Elastanfadens with a polyamide thread ("double-covered"). Instead of a single cellulosic thread, in principle, several cellulosic threads could be provided, which are twisted together with the elastane thread.

LegendeLegend zu den Hinweisziffern:to the reference numbers:

11
Gestrickknitted
22
Maschenreihewale
33
Garnyarn
44
Elastanfadenelastane
55
Polyamidfadenpolyamide thread
66
Zellulosischer FaderCellulosic fader
77
Maschenstäbchenwales

Claims (12)

Hochelastisches Gestrick, welches eine elastische Dehnung von mindestens 200% in Richtung der Maschenreihen (2) und mindestens 150% in Richtung der Maschenstäbchen (7) gemessen mit einer Kraft von 10 N und welches ein Flächengewicht von höchstens 220g/m2 aufweist, wobei mindestens jede zweite Maschenreihe (2) des Gestricks (1) von einem Garn (3) gebildet wird, welches einen mit mindestens einem Polyamidfaden (5) umwundenen Elastanfaden (4) und weiters mindestens einen zellulosischen Faden (6) aufweist, dadurch gekennzeichnet, daß der mit mindestens einem Polyamidfaden (5) umwundene Elastanfaden (4) und der mindestens eine zellulosische Faden (6) miteinander verzwirnt sind.Highly elastic knitted fabric having an elastic elongation of at least 200% in the direction of the courses (2) and at least 150% in the direction of the wales (7) measured with a force of 10 N and which has a basis weight of at most 220 g / m 2 , wherein at least every other row of stitches (2) of the knitted fabric (1) is formed by a yarn (3) which has an elastane thread (4) wrapped with at least one polyamide thread (5) and at least one cellulosic thread (6), characterized in that Elastic thread (4) wound around at least one polyamide thread (5) and the at least one cellulosic thread (6) are twisted together. Hochelastisches Gestrick nach Anspruch 1, dadurch gekennzeichnet, daß die Zwirndrehung maximal 1 000 Umdrehungen pro Meter beträgt.Highly elastic knitted fabric according to claim 1, characterized in that the twisting of the thread amounts to a maximum of 1 000 revolutions per meter. Hochelastisches Gestrick nach Anspruch 2, dadurch gekennzeichnet, daß Zwirndrehung im Bereich zwischen 200 und 800 Umdrehungen pro Meter, vorzugsweise im Bereich zwischen 250 und 450 Umdrehungen pro Meter liegt.Highly elastic knitted fabric according to claim 2, characterized in that twisting is in the range between 200 and 800 revolutions per meter, preferably in the range between 250 and 450 revolutions per meter. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Umwindungszahl des den Elastanfaden (4) umwindenden Polyamidfadens (5) im Bereich zwischen 800 und 3 000 Umdrehungen pro Meter, vorzugsweise im Bereich zwischen 1 000 und 2 500 Umdrehungen pro Meter liegt.Highly elastic knitted fabric according to one of claims 1 to 3, characterized in that the Umwindungszahl of the elastane yarn (4) wrapping polyamide thread (5) in the range between 800 and 3,000 revolutions per meter, preferably in the range between 1 000 and 2 500 revolutions per meter lies. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Titer des Elastanfadens (4) maximal 105 dtex, vorzugsweise maximal 44 dtex beträgt.Highly elastic knitted fabric according to one of claims 1 to 4, characterized in that the denier of the elastane yarn (4) is at most 105 dtex, preferably at most 44 dtex. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Titer des Polyamidfadens (5) maximal 150 dtex beträgt.Highly elastic knitted fabric according to one of claims 1 to 5, characterized in that the titer of the polyamide thread (5) is at most 150 dtex. Hochelastisches Gestrick nach Anspruch 6, dadurch gekennzeichnet, daß der Titer des Polyamidfadens maximal 78 dtex beträgt, wobei das Gestrick vorzugsweise eine Feinstrumpfhose ist.Highly elastic knitted fabric according to claim 6, characterized in that the denier of the polyamide yarn amounts to a maximum of 78 dtex, the fabric preferably being a tights. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Titer des zellulosischen Fadens maximal 150 dtex beträgt.Highly elastic knitted fabric according to one of claims 1 to 7, characterized in that the denier of the cellulosic thread is at most 150 dtex. Hochelastisches Gestrick nach Anspruch 8, dadurch gekennzeichnet, daß der Titer des zellulosischen Fadens maximal 100 dtex beträgt, wobei das Gestrick vorzugsweise eine Feinstrumpfhose ist.Highly elastic knitted fabric according to claim 8, characterized in that the denier of the cellulosic thread amounts to a maximum of 100 dtex, wherein the knit fabric is preferably a pantyhose. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Elastanfaden (4) im Garn (3) mindestens um einen Faktor 1,5, vorzugsweise mindestens um einen Faktor 2 gedehnt ist.Highly elastic knitted fabric according to one of Claims 1 to 9, characterized in that the elastane yarn (4) in the yarn (3) is stretched at least by a factor of 1.5, preferably by at least a factor of 2. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der zellulosische Faden ein Baumwoll-, Viskose-, Cupro-, Leinen-, Flachs-, Hanf- oder Jutefaden ist.A highly elastic fabric according to any one of claims 1 to 10, characterized in that the cellulosic thread is a cotton, viscose, cupro, linen, flax, hemp or jute thread. Hochelastisches Gestrick nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß das Gestrick hochtransparent ist.Highly elastic knitted fabric according to one of claims 1 to 11, characterized in that the fabric is highly transparent.
EP03003312A 2002-03-07 2003-02-13 Highly elastic knitted fabric Expired - Lifetime EP1342822B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT03003312T ATE276391T1 (en) 2002-03-07 2003-02-13 HIGHLY ELASTIC KNITTED

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AT3572002 2002-03-07
AT0035702A AT411365B (en) 2002-03-07 2002-03-07 HIGH-ELASTIC KNITTING

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EP1342822A1 true EP1342822A1 (en) 2003-09-10
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DE (1) DE50300074D1 (en)

Cited By (1)

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CN103469425A (en) * 2013-09-10 2013-12-25 苏州艺汇纺织有限公司 Polyester ethylene fabric

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DE102006035997B4 (en) * 2006-08-02 2008-12-24 Kunert Werke Gmbh Fine hosiery items, for example, fine stocking

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DE19506227A1 (en) * 1994-02-22 1996-03-07 Repp Marilyn Carla Light, durable, stretchable, air permeable fabric retains no moisture
AT407468B (en) * 1996-06-13 2001-03-26 Wolford Ag CLOTHING
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JPH06272140A (en) * 1993-03-19 1994-09-27 Asahi Chem Ind Co Ltd Knitted fabric

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CN103469425A (en) * 2013-09-10 2013-12-25 苏州艺汇纺织有限公司 Polyester ethylene fabric

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ATA3572002A (en) 2003-05-15
DE50300074D1 (en) 2004-10-21
EP1342822B1 (en) 2004-09-15
AT411365B (en) 2003-12-29
ATE276391T1 (en) 2004-10-15

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