EP1103645A2 - Method and device for producing coloured patterns on a fabric by hydrodynamic treatment - Google Patents

Method and device for producing coloured patterns on a fabric by hydrodynamic treatment Download PDF

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Publication number
EP1103645A2
EP1103645A2 EP00119533A EP00119533A EP1103645A2 EP 1103645 A2 EP1103645 A2 EP 1103645A2 EP 00119533 A EP00119533 A EP 00119533A EP 00119533 A EP00119533 A EP 00119533A EP 1103645 A2 EP1103645 A2 EP 1103645A2
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European Patent Office
Prior art keywords
layer
nonwoven
pattern
fibers
web
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EP00119533A
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German (de)
French (fr)
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EP1103645B1 (en
EP1103645A3 (en
Inventor
Gerold Fleissner
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Truetzschler Nonwovens GmbH
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Fleissner GmbH
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C23/00—Making patterns or designs on fabrics

Definitions

  • the invention relates to a method for color patterning a web Nonwoven or a composite of a nonwoven and a fabric or Knitted fabric by means of hydrodynamic needling, which is why the web is on a base lying past a nozzle bar arranged transversely to the transport direction and is hit by the water jets.
  • a method of this type is known from WO 89/09850. According to this writing a colored web over a plane with a three-dimensional pattern guided and thereby subjected to water jets to a washout effect on the to achieve false color first.
  • a pattern without coloring is possible using the hydrodynamic treatment, when according to US Pat. No. 4,691,417 or EP-A-0 400 349 the water jets over a sheet with a perforated pattern on the web like nonwoven reach.
  • the water jets hit only partially over their surface onto the fibers of the material web and only move them there in a pattern similar a watermark.
  • the invention has for its object a method for achieving a color To find samples of a web in which by means of a hydrodynamic Treatment creates a pattern that has any colors, pattern types and sizes, without having to pay attention to washout effects.
  • the invention provides a solution the task presented that as an upper layer of two layers one with one or multi-colored, optionally colored or printed nonwoven selected, this on a second, possibly a different color nonwoven or woven laid and both layers subjected to the water jets shifting the fibers with the colored fibers of the first layer being shifted to the second layer are used to achieve a pattern on the underside of the second layer.
  • the nonwoven of the first layer can come directly from a card and has fine fibers of one or different colors.
  • This Fibers with the water jets move them into and through the second layer. So it is not only the well-known consolidation of the tracks that takes place alone and together instead, but the fibers of the first nonwoven are down to the bottom of the second Goods web arrive and there by their own color a kind of pattern produce. This pattern can be influenced in many different ways.
  • a color pattern according to the invention can also be generated in that instead of dyed fibers of the first fleece the second web with z. B. produces dyed fibers is and then z. B. white fibers of the first fleece by water needling penetrate to the back of the colored second fleece and thus there on the Create a pattern of some kind on the underside. This pattern can also be applied to the different kinds of be influenced.
  • the fibers of the first fleece are very important for the fibers of the first fleece to pass through the water jets easy to move, that is to say with a fine titer like 1 - 6 dtex in diameter and one have a finite length of 20 to 100 mm.
  • the first nonwoven is still unsolidified, it is a light carding fleece.
  • the second course can also a nonwoven, which is already pre-consolidated - possibly by mechanical needling can be, or a woven or knitted fabric, which by its inner thread structure imposing a definable direction on the fibers penetrating from the first nonwoven, which is then typical of the pattern that can be achieved on the underside. It is also from The meaning of the threads from which the second path is made depends on their path Thickness, on their properties and also on the strength of the thread structure of the second lane.
  • a device for performing the method according to the invention is in the Drawing shown as an example. It consists only of device details known per se. The figure shows a continuous system for producing a patterned Nonwoven with final drying.
  • the light nonwoven on top is made of polyester fibers and / or Manufacture polypropylene fibers and / or from natural fibers. It serves here a fleece laying device 1 - 4.
  • the card consists of a Box feeder 1 with a shaker chute 2 arranged underneath, which the evenly Fibers spread out across the width with the scraper and tear rollers 3 passes.
  • the following endless belt 4 passes the loosely formed nonwoven 5 the endless belt 6.
  • the needling station 10 thus becomes a composite of two superimposed Lanes 5 and 8 fed.
  • To by the water jets from the beam 11 To be able to produce color samples on the underside of the web 8 is either that Nonwoven 5 from dyed fibers and / or the web 8 from such, but then should have a different color.
  • the pattern can be white or colored, depending on the the colors in lanes 5 or 8 must be selected.
  • the first train is definitely a nonwoven 5, the second web 8 can be one, but it can also be a woven fabric or knitted.
  • the fibers of the Nonwoven moved by the second web 8, up to that on the belt 6 lying back.
  • the design is particularly good of the pattern if an element is used for this, which is the water jets directs.
  • This can be the illustrated endless belt 12, which is arranged accordingly Drum, the design of the endless belt 6 or a layer that is inside of the composite remains.
  • the endless belt 12 or the corresponding drum can be a braided fabric or formed from a sheet metal with a desired Pattern is perforated.

Abstract

Application of pattern to a textile web, uses hydrodynamic needling. The web moves past beam of water jets across the line of travel. The upper of two layers is a nonwoven in one or more colors or is dyed or printed laid over a second fabric of different color. The material passing through the water jets causes fibers from the first layer to be dispersed into the second layer forming a pattern. The upper layer can be a nonwoven which is not dyed or has white fibers, laid over a woven or nonwoven layer with dyed fibers. The water jet streams disperse the white fibers of the upper layer into the dyed lower layer to form a pattern on the under side of the second layer. The second, bottom layer, is fixed before joining the upper layer such as by a mechanical needling action. The colored pattern is affected by the structure of the second layer, and the composition of the fibers, the fiber types and characteristics in the upper and/or lower layers. The pattern is structured by the shape of the unit which distributes the water jet streams on to the web, which is in front of or between the two layers, and also by the system which carries the web through the spray station. The water jet streams are delivered with a high energy, such as pressures ≥ 150 bar and preferably 250-600 bar, to strike the fibers of the upper nonwoven layer. The water pressure energy is set according to the weight of the upper nonwoven layer. Lower water pressures of up to 150 bar are used with lighter nonwovens of 30-100 g/m<2>. An Independent claim is included for an assembly to pattern textile web materials, with a patterning unit such as a continuous woven or perforated belt between the jet beam (11) and the web layers (5,8) to be processed. Or it can be a drum with pattern perforations.

Description

Die Erfindung bezieht sich auf ein Verfahren zum farblichen Mustern eines bahnförmigen Nonwoven oder einem Komposit aus einem Nonwoven und einem Gewebe oder Gewirke mittels hydrodynamischer Vernadelung, wozu die Bahn auf einer Unterlage liegend an einem quer zur Transportrichtung angeordneten Düsenbalken vorbeibewegt und von den Wasserstrahlen beaufschlagt wird.The invention relates to a method for color patterning a web Nonwoven or a composite of a nonwoven and a fabric or Knitted fabric by means of hydrodynamic needling, which is why the web is on a base lying past a nozzle bar arranged transversely to the transport direction and is hit by the water jets.

Ein Verfahren dieser Art ist aus der WO 89/09850 bekannt. Nach dieser Schrift wird eine gefärbte Bahn über eine mit einem dreidimensionalen Muster versehene Ebene geführt und dabei mit Wasserstrahlen beaufschlagt, um einen Auswascheffekt an der noch zunächst farbunechten Einfärbung zu erzielen.A method of this type is known from WO 89/09850. According to this writing a colored web over a plane with a three-dimensional pattern guided and thereby subjected to water jets to a washout effect on the to achieve false color first.

Ein Muster ohne Einfärbung ist mittels der hydrodynamischen Behandlung möglich, wenn gemäß der US-PS 4 691 417 oder der EP-A-0 400 349 die Wasserstrahlen über ein mit einem perforierten Muster versehenes Blech auf die Warenbahn wie Nonwoven gelangen. Die Wasserstrahlen treffen dabei über deren Fläche gesehen nur teilweise auf die Fasern der Warenbahn und verschieben sie nur dort zu einem Muster ähnlich einem Wasserzeichen.A pattern without coloring is possible using the hydrodynamic treatment, when according to US Pat. No. 4,691,417 or EP-A-0 400 349 the water jets over a sheet with a perforated pattern on the web like nonwoven reach. The water jets hit only partially over their surface onto the fibers of the material web and only move them there in a pattern similar a watermark.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Erzielung einer farblichen Bemusterung einer Warenbahn zu finden, bei dem mittels einer hydrodynamischen Behandlung ein Muster entsteht, das beliebige Farben, Musterarten und -größen aufweist, ohne auf Auswascheffekte achten zu müssen.The invention has for its object a method for achieving a color To find samples of a web in which by means of a hydrodynamic Treatment creates a pattern that has any colors, pattern types and sizes, without having to pay attention to washout effects.

Ausgehend von dem Verfahren anfangs genannter Art sieht die Erfindung zur Lösung der gestellten Aufgabe vor, dass als Oberschicht von zwei Schichten ein mit einer oder mehreren Farben versehenes, ggf. eingefärbtes oder bedrucktes Nonwoven gewählt, dieses auf ein zweites, ggf. eine andere Farbe aufweisendes Nonwoven oder Woven gelegt und beide Schichten den die Fasern verlagernden Wasserstrahlen unterworfen werden, wobei die gefärbten Fasern der ersten Schicht in die zweite Schicht verlagert werden zur Erzielung eines Musters auf der Unterseite der zweiten Schicht.Based on the method initially mentioned, the invention provides a solution the task presented that as an upper layer of two layers one with one or multi-colored, optionally colored or printed nonwoven selected, this on a second, possibly a different color nonwoven or woven laid and both layers subjected to the water jets shifting the fibers with the colored fibers of the first layer being shifted to the second layer are used to achieve a pattern on the underside of the second layer.

Das Nonwoven der ersten Schicht kann unmittelbar von einer Krempel kommen und weist feine Fasern einer oder verschiedener Farben auf. Bei der Beaufschlagung dieser Fasern mit den Wasserstrahlen werden sie in und durch die zweite Schicht bewegt. Es findet also nicht nur die bekannte Verfestigung der Bahnen allein und miteinander statt, sondern die Fasern des ersten Nonwoven werden bis zur Unterseite der zweiten Warenbahn gelangen und dort durch ihre eigene Farbe ein irgendwie geartetes Muster erzeugen. Dieses Muster kann auf die unterschiedlichste Art beeinflusst werden.The nonwoven of the first layer can come directly from a card and has fine fibers of one or different colors. When applying this Fibers with the water jets move them into and through the second layer. So it is not only the well-known consolidation of the tracks that takes place alone and together instead, but the fibers of the first nonwoven are down to the bottom of the second Goods web arrive and there by their own color a kind of pattern produce. This pattern can be influenced in many different ways.

Ein Farbmuster nach der Erfindung kann auch dadurch erzeugt werden, dass statt der gefärbten Fasern des ersten Vlieses die zweite Bahn mit z. B. gefärbten Fasern produziert ist und dann z. B. weiße Fasern des ersten Vlieses durch die Wasservernadelung bis zur Rückseite des farbigen zweiten Vlieses dringen und damit dort auf der Unterseite ein irgendwie geartetes Muster erzeugen. Auch dieses Muster kann auf die unterschiedlichste Art beeinflusst werden.A color pattern according to the invention can also be generated in that instead of dyed fibers of the first fleece the second web with z. B. produces dyed fibers is and then z. B. white fibers of the first fleece by water needling penetrate to the back of the colored second fleece and thus there on the Create a pattern of some kind on the underside. This pattern can also be applied to the different kinds of be influenced.

Für die Erzeugung eines Musters auf der Rückseite der zweiten Warenbahn mit den Fasern des ersten Vlieses ist es zunächst wichtig, dass diese durch die Wasserstrahlen leicht bewegbar, also feintitrig wie 1 - 6 dtex in ihrem Durchmesser sind und eine endliche Länge von 20 bis 100 mm aufweisen. Jedenfalls ist das erste Nonwoven noch unverfestigt, es ist ein leichtes Krempelvlies. Die zweite Bahn dagegen kann ebenfalls ein Nonwoven, das aber bereits - ggf. durch mechanische Vernadelung - vorverfestigt sein kann, oder ein Gewebe oder Gewirke sein, das durch seine innere Fadenstruktur den vom ersten Nonwoven eindringenden Fasern eine definierbare Richtung aufzwingt, die dann typisch für das auf der Unterseite erzielbare Muster ist. Dabei ist es auch von Bedeutung, aus welchen Fäden die zweite Bahn erzeugt ist, es kommt auf deren Dicke, auf deren Eigenschaften und auch auf die Festigkeit der Fadenstruktur der zweiten Bahn an.For creating a pattern on the back of the second web with the First of all, it is important for the fibers of the first fleece to pass through the water jets easy to move, that is to say with a fine titer like 1 - 6 dtex in diameter and one have a finite length of 20 to 100 mm. In any case, the first nonwoven is still unsolidified, it is a light carding fleece. The second course, however, can also a nonwoven, which is already pre-consolidated - possibly by mechanical needling can be, or a woven or knitted fabric, which by its inner thread structure imposing a definable direction on the fibers penetrating from the first nonwoven, which is then typical of the pattern that can be achieved on the underside. It is also from The meaning of the threads from which the second path is made depends on their path Thickness, on their properties and also on the strength of the thread structure of the second lane.

Ganz andere Farbmuster sind erzielbar, wenn man ein drittes Mittel zur Lenkung der Wasserstrahlen in eine gewünschte Richtung hinzunimmt. Dieses Mittel kann vor, zwischen den beiden Schichten oder auch unterhalb der zweiten Bahn angeordnet sein. Im Falle der Anordnung des Elementes zwischen den Bahnen ist es selbstverständlich, dass es in dem Gesamtprodukt auf Dauer verbleibt. Anders ist es, wenn z. B. mittels eines mit einem Muster durchlässigen Endlosbandes oder Trommel, die unmittelbar auf dem Nonwoven abrollt, die Wasserstrahlen auf das erste Vlies gelenkt werden. Damit werden nur partiell die z. B. gefärbten Fasern des ersten Vlieses durch die zweite Bahn befördert, so dass nur an diesen Stellen eine Verfärbung der Rückseite der zweiten Bahn, eine Mustergebung erfolgt.Completely different color patterns can be achieved if you use a third means to control the Water jets in a desired direction. This means can be between be arranged in the two layers or below the second track. If the element is arranged between the sheets, it goes without saying that it remains in the overall product in the long run. It is different if, for. B. means one with a pattern permeable endless belt or drum that opens immediately the nonwoven rolls off, the water jets are directed onto the first fleece. In order to are only partially the z. B. dyed fibers of the first fleece through the second Conveyed so that only at these points discoloration of the back of the second lane, a patterning takes place.

Eine Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens ist in der Zeichnung beispielhaft dargestellt. Sie besteht nur aus an sich bekannten Vorrichtungsdetails. Die Figur zeigt eine Kontinueanlage zur Herstellung eines gemusterten Nonwoven mit abschließender Trocknung.A device for performing the method according to the invention is in the Drawing shown as an example. It consists only of device details known per se. The figure shows a continuous system for producing a patterned Nonwoven with final drying.

Zunächst ist das oben aufliegende, leichte Nonwoven aus Polyesterfasern und/oder Polypropylenfasern und/oder auch aus natürlichen Fasern herzustellen. Dazu dient hier als Vlieslegeeinrichtung eine Krempel 1 - 4. Die Krempel besteht aus einem Kastenspeiser 1 mit einer darunter angeordneten Schüttelrutsche 2, die die gleichmäßig über die Breite ausgebreiteten Fasern der Krempel mit den Kratz- und Reißwalzen 3 übergibt. Das folgende Endlosband 4 übergibt das locker gebildete Nonwoven 5 an das Endlosband 6. Auf diesem liegt bereits ein von der Rolle 7 abgezogenes, mit 8 bezeichnetes Nonwoven oder Gewebe oder Gewirke, das sich zusammen mit dem Endlosband 6 in Richtung des Pfeils 9 zur Vernadelungsstation 10 bewegt.First of all, the light nonwoven on top is made of polyester fibers and / or Manufacture polypropylene fibers and / or from natural fibers. It serves here a fleece laying device 1 - 4. The card consists of a Box feeder 1 with a shaker chute 2 arranged underneath, which the evenly Fibers spread out across the width with the scraper and tear rollers 3 passes. The following endless belt 4 passes the loosely formed nonwoven 5 the endless belt 6. There is already a belt 8 drawn off the roll 7 on this designated nonwoven or woven or knitted fabric, which together with the Endless belt 6 moved in the direction of arrow 9 to the needling station 10.

Der Vernadelungsstation 10 wird also ein Komposit aus zwei übereinander liegenden Bahnen 5 und 8 zugeführt. Um durch die Wasserstrahlen von dem Balken 11 ein Farbmuster auf der Unterseite der Bahn 8 erzeugen zu können, besteht entweder das Nonwoven 5 aus gefärbten Fasern und/oder die Bahn 8 aus solchen, die dann aber eine andere Farbe haben sollten. Das Muster kann weiß oder farbig sein, je nach dem sind die Farben in den Bahnen 5 oder 8 auszuwählen. Die erste Bahn ist auf jeden Fall ein Nonwoven 5, die zweite Bahn 8 kann ein solches sein, sie kann aber auch ein Gewebe oder Gewirke sein.The needling station 10 thus becomes a composite of two superimposed Lanes 5 and 8 fed. To by the water jets from the beam 11 To be able to produce color samples on the underside of the web 8 is either that Nonwoven 5 from dyed fibers and / or the web 8 from such, but then should have a different color. The pattern can be white or colored, depending on the the colors in lanes 5 or 8 must be selected. The first train is definitely a nonwoven 5, the second web 8 can be one, but it can also be a woven fabric or knitted.

Durch die Wasserstrahlen vom Balken 11, die mit größerer Energie wie z. B. über 200 bar, vorzugsweise 350 bar, auf das Nonwoven 5 treffen sollten, werden die Fasern des Nonwoven durch die zweite Bahn 8 bewegt, und zwar bis zu deren auf dem Band 6 liegenden Rückseite. Je nach der Struktur der Bahn 8 oder des Endlosbandes 6 oder der Lenkung der Wasserstrahlen oberhalb der Bahn 8 oder Bahn 5 entsteht ein anderes Farbmuster auf der Rückseite der Bahn 8. Besonders gut kann man die Gestaltung des Musters beeinflussen, wenn dazu ein Element benutzt wird, das die Wasserstrahlen lenkt. Dies kann das dargestellte Endlosband 12, eine entsprechend angeordnete Trommel, die Gestaltung des Endlosbandes 6 oder auch eine Schicht sein, die innerhalb des Komposits verbleibt. Das Endlosband 12 oder die entsprechende Trommel kann ein geflochtenes Gewebe oder aus einem Blech gebildet sein, das mit einem gewünschten Muster perforiert ist. Nur an den für den Durchtritt des Wassers offenen Löchern im Endlosband 12 oder in der Trommel wird eine Bewegung der Fasern des Nonwoven 5 in die Bahn 8 erfolgen. Folglich wird auch nur an diesen Stellen auf der Rückseite der Bahn 8 eine Veränderung der Faserzusammensetzung erfolgen, die das gewünschte Muster bringt.By the water jets from the beam 11, which with greater energy such. B. over 200 bar, preferably 350 bar, should hit the nonwoven 5, the fibers of the Nonwoven moved by the second web 8, up to that on the belt 6 lying back. Depending on the structure of the web 8 or the endless belt 6 or the direction of the water jets above path 8 or path 5 creates another Color samples on the back of the web 8. The design is particularly good of the pattern if an element is used for this, which is the water jets directs. This can be the illustrated endless belt 12, which is arranged accordingly Drum, the design of the endless belt 6 or a layer that is inside of the composite remains. The endless belt 12 or the corresponding drum can be a braided fabric or formed from a sheet metal with a desired Pattern is perforated. Only on those open for water to pass through Holes in the endless belt 12 or in the drum will cause movement of the fibers of the Nonwoven 5 in the web 8. Consequently, only at these points on the Back of the web 8, a change in the fiber composition take place that the brings the desired pattern.

Nach einer Entwässerung durch die Absaugung 13, die auch hinter der Vernadelungsstation 10 erfolgen kann, wird die Bahn durch das Endlosband 14 in den Siebtrommeltrockner 15 geführt.After drainage through the suction 13, which is also behind the needling station 10 can take place, the web is through the endless belt 14 into the drum dryer 15 led.

Claims (13)

Verfahren zum farblichen Mustern eines bahnförmigen Nonwoven oder einem Komposit aus einem Nonwoven und einem Gewebe oder Gewirke mittels hydrodynamischer Vernadelung, wozu die Bahn auf einer Unterlage liegend an einem quer zur Transportrichtung angeordneten Düsenbalken vorbeibewegt und von den Wasserstrahlen beaufschlagt wird, dadurch gekennzeichnet, dass als Oberschicht von zwei Schichten ein mit einer oder mehreren Farben versehenes, ggf. eingefärbtes oder bedrucktes Nonwoven gewählt, dieses auf ein zweites, ggf. eine andere Farbe aufweisendes Nonwoven oder Woven gelegt und beide Schichten den die Fasern verlagernden Wasserstrahlen unterworfen werden, wobei die gefärbten Fasern der ersten Schicht in die zweite Schicht verlagert werden zur Erzielung eines Musters auf der Unterseite der zweiten Schicht.Process for the color patterning of a web-shaped nonwoven or a Composite of a nonwoven and a woven or knitted fabric using hydrodynamic Needling, which is why the web lies on a mat on one nozzle bars arranged transversely to the transport direction are moved past and by the Water jets are applied, characterized in that as an upper layer of two layers one with one or more colors, possibly dyed or printed nonwoven selected, this on a second, if necessary a different color nonwoven or woven, and both Layers are subjected to the water jets displacing the fibers, whereby the colored fibers of the first layer are shifted to the second layer to achieve a pattern on the underside of the second layer. Verfahren zum farblichen Mustern eines bahnförmigen Nonwoven oder einem Komposit aus einem Nonwoven und einem Gewebe oder Gewirke mittels hydrodynamischer Vernadelung, wozu die Bahn auf einer Unterlage liegend an einem quer zur Transportrichtung angeordneten Düsenbalken vorbeibewegt und von den Wasserstrahlen beaufschlagt wird, dadurch gekennzeichnet, dass als Oberschicht von zwei Schichten ein ungefärbtes, ggf. aus weißen Fasern bestehendes Nonwoven gewählt, dieses auf ein zweites, aus anderen ggf. eingefärbten Fasern zusammengesetztes Nonwoven oder Woven gelegt und beide Schichten den die Fasern verlagernden Wasserstrahlen unterworfen werden, wobei die ungefärbten, ggf. weißen Fasern der ersten Schicht in die zweite gefärbte Schicht verlagert werden zur Erzielung eines Musters auf der Unterseite der zweiten Schicht.Process for the color patterning of a web-shaped nonwoven or a Composite of a nonwoven and a woven or knitted fabric using hydrodynamic Needling, which is why the web lies on a mat on one nozzle bars arranged transversely to the transport direction are moved past and by the Water jets are applied, characterized in that as an upper layer of two layers an undyed, possibly made of white fibers Nonwoven selected, this on a second, from other possibly colored fibers composite nonwoven or woven and both layers den Water-displacing fibers are subjected, the undyed, if necessary, white fibers of the first layer are shifted into the second colored layer are used to achieve a pattern on the underside of the second layer. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das zweite Nonwoven vor der Vereinigung mit der ersten Schicht vorverfestigt ggf. mechanisch vorvernadelt wird. A method according to claim 1 or 2, characterized in that the second Nonwoven before consolidation with the first layer may be mechanically pre-consolidated is needled. Verfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass das Farbmuster durch den Aufbau der zweiten Schicht beeinflusst wird.A method according to claim 1 to 3, characterized in that the color pattern is influenced by the structure of the second layer. Verfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass das Farbmuster durch die Zusammensetzung der Fasern, durch die Art, die Eigenschaften der Fasern der ersten und/oder der zweiten Schicht beeinflusst wird.A method according to claim 1 to 3, characterized in that the color pattern by the composition of the fibers, by the type, the properties of the Fibers of the first and / or the second layer is influenced. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Muster durch die Gestaltung eines die Verteilung der Wasserstrahlen auf die Bahn bestimmendes Element erzeugt wird.Method according to one of claims 1 to 5, characterized in that the Pattern by designing the distribution of water jets on the Path determining element is generated. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass das Element vor oder zwischen den beiden Bahnen zur Wirkung kommt.A method according to claim 6, characterized in that the element before or comes into effect between the two tracks. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Muster durch die Gestaltung eines die Bahn tragenden Transportorgans beeinflusst wird.Method according to one of claims 1 to 7, characterized in that the Pattern influenced by the design of a transport organ carrying the train becomes. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Wasserstrahlen mit hoher Energie, z. B. mit Drücken über 150 bar, vorzugsweise 250 bis 600 bar, auf die Fasern des ersten Nonwoven treffen.Method according to one of claims 1 to 8, characterized in that the High energy water jets, e.g. B. with pressures above 150 bar, preferably 250 to 600 bar, meet the fibers of the first nonwoven. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Energie des Wasserdrucks in Abhängigkeit des Gewichtes des ersten Nonwoven bemessen wird, also bei leichteren Nonwoven (30 bis 100 gr/m2) mit niedrigeren Drücken (bis 150 bar).Method according to one of claims 1 to 8, characterized in that the energy of the water pressure is measured as a function of the weight of the first nonwoven, that is to say with lighter nonwovens (30 to 100 gr / m 2 ) with lower pressures (up to 150 bar). Vorrichtung zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche mit einem Endlosband zum Transport der Bahn und einem zugeordneten Düsenbalken, dadurch gekennzeichnet, dass zwischen dem Düsenbalken (11) und den zu verändernden Bahnen (5, 8) ein Musterungselement, wie gewobenes oder perforiertes Endlosband (12) oder Trommel aus einem mit einem Muster perforierten Blech angeordnet ist. Device for carrying out the method according to one of the preceding Claims with an endless belt for transporting the web and an associated one Nozzle bar, characterized in that between the nozzle bar (11) and the webs to be changed (5, 8) a pattern element, such as woven or perforated endless belt (12) or drum made of one with one Pattern perforated sheet is arranged. Vorrichtung zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche mit einem Endlosband zum Transport der Bahn und einem zugeordneten Düsenbalken, dadurch gekennzeichnet, dass das Endlosband (6) oder auch eine als Unterlage dienende Trommel mit einem Muster perforiert ist.Device for carrying out the method according to one of the preceding Claims with an endless belt for transporting the web and an associated one Nozzle bar, characterized in that the endless belt (6) or a drum serving as a base is perforated with a pattern. Vorrichtung nach einem der Ansprüche 11 - 12, dadurch gekennzeichnet, durch eine Kontinueanlage bestehend aus einer Krempel (1 - 4) für das Nonwoven (5) der ersten Schicht, eine Vorlage (7) für die Zuführung der zweiten Schicht (8), einem Transportorgan wie Trommel oder Endlosband (6) für das Komposit (5, 8) unter den Wasserbalken (11), dieser Wasserbalken (11) und eine Absaugeinrichtung (13) für aufgegebene Flüssigkeit und eine Trockeneinrichtung, wie insbesondere Siebtrommeleinrichtung (15).Device according to one of claims 11-12, characterized by a continuous system consisting of a card (1 - 4) for the nonwoven (5) the first layer, a template (7) for feeding the second layer (8), a transport element such as a drum or endless belt (6) for the composite (5, 8) under the water bar (11), this water bar (11) and a suction device (13) for charged liquid and a drying device, such as in particular Sieve drum device (15).
EP00119533A 1999-11-24 2000-09-07 Method for producing coloured patterns on a fabric by hydrodynamic treatment Expired - Lifetime EP1103645B1 (en)

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DE19956571A DE19956571A1 (en) 1999-11-24 1999-11-24 Method and device for color patterning a web by means of hydrodynamic treatment
DE19956571 1999-11-24

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US6557224B2 (en) 2003-05-06
DE50009908D1 (en) 2005-05-04
US20030101557A1 (en) 2003-06-05
DE19956571A1 (en) 2001-05-31
US6735834B2 (en) 2004-05-18
EP1103645B1 (en) 2005-03-30
US6487762B1 (en) 2002-12-03
EP1103645A3 (en) 2002-12-18
US20020148085A1 (en) 2002-10-17

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