EP0411647B1 - Method for producing by needling an ornamental patterned textile velour - Google Patents

Method for producing by needling an ornamental patterned textile velour Download PDF

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Publication number
EP0411647B1
EP0411647B1 EP90114899A EP90114899A EP0411647B1 EP 0411647 B1 EP0411647 B1 EP 0411647B1 EP 90114899 A EP90114899 A EP 90114899A EP 90114899 A EP90114899 A EP 90114899A EP 0411647 B1 EP0411647 B1 EP 0411647B1
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EP
European Patent Office
Prior art keywords
web
fibres
needling
support
fibers
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EP90114899A
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German (de)
French (fr)
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EP0411647A1 (en
Inventor
Johann Philipp Dilo
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Oskar Dilo Maschinenfabrik KG
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Oskar Dilo Maschinenfabrik KG
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Classifications

    • 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
    • D04H11/00—Non-woven pile fabrics
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • 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
    • D04H11/00—Non-woven pile fabrics
    • D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
    • 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
    • D04H13/00—Other non-woven fabrics
    • 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
    • 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
    • D04H18/02—Needling machines with needles

Definitions

  • the invention relates to a method for producing a needled, structured and patterned textile velor web according to the preamble of claim 1. Such a method is known from US-A-4 047 269.
  • the fibers In order to optimally obtain the desired patterning of the end product, the fibers have the like in the nonwovens applied to the carrier web or the like. flat fiber structures or their sections have an orientation that is transverse to the main orientation of the fibers in the carrier web. As a result, the fibers effecting the pattern are optimally grasped by the fork needles and pressed through the carrier web on the underside thereof, which is later the top side of the end product.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

To produce patterned needled non-woven materials, a single or multi-layer needled material is formed into a velour web using crown and/or fork needles. At least one layer of textile fibres is overlaid to give at least one pattern, esp. using staple fibres, using fibres which are different from the carrier web in terms of colour and/or shape and/or material and/or thickness and/or orientation, wholly or partially over the surface. The combined material is further neddle bonded, so that the fibres on one side are passed through to be visible on the other side, to form piles generally on the under side of the web. - Pref. the preneedled non woven is of randomly laid fibres, or of oriented fibres aling the web length or laterally. The patterning fibre layer is laid wholly over the carrier web, or as one or more strips, or a number of shaped fibre sections, and the patterning fibres are oriented across the fibres in the carrier we. Staple fibres can be delievred to the carrier weby by a continuous or intermittent air stream, through a mouthpiece extending wholly or partially across the carrier web width, and a number of mouthpieces can be used to deliver fibre-charged air streams.

Description

Die Erfindung bezieht sich auf ein Verfahren zum Herstellen einer genadelten, strukturierten und gemusterten textilen Velourbahn nach dem Oberbegriff des Anspruchs 1. Ein solches Verfahren ist aus der US-A-4 047 269 bekannt.The invention relates to a method for producing a needled, structured and patterned textile velor web according to the preamble of claim 1. Such a method is known from US-A-4 047 269.

Diese Druckschrift beschreibt ein Verfahren, bei dem auf eine Trägerbahn mit Hilfe von Blasdüsen, die entsprechend einem zu bildenden Muster bewegt werden, Stapelfasern aufgelegt werden, die anschließend mit der Trägerbahn durch Nadelung verbunden werden, wobei die Fasern, die sich in der Farbe von denen der Trägerbahn unterscheiden, bis zur Unterseite der Trägerbahn durchgedrückt werden, die auf einer Unterlage liegt und später im Gebrauch die Oberseite der Materialbahn bildet. Die Unterlage wird bei diesem Verfahren von einer Platte mit Löchern oder Schlitzen gebildet, durch die die Nadeln beim Nadelvorgang hindurchtreten können. Jene vom Luftstrom aufgelegte Fasern, die beim Nadelungsvorgang von den Nadeln ergriffen worden sind, werden anschließend abgesaugt, und anschließend wird eine weitere Nadelung ausgeführt, um die Materialbahn zu verfestigen.This document describes a method in which staple fibers are placed on a carrier web with the aid of blowing nozzles which are moved in accordance with a pattern to be formed, which are then connected to the carrier web by needling, the fibers differing in color from those distinguish the carrier web, are pushed through to the underside of the carrier web, which lies on a support and later forms the top of the material web in use. In this method, the base is formed by a plate with holes or slots through which the needles can pass during the needle operation. Those fibers laid on by the air flow, which were seized by the needles during the needling process, are then suctioned off, and then another needling is carried out in order to solidify the material web.

Aus der CH-A-401 893 sind drei verschiedene Verfahren zum Herstellen eines mit einer Musterung versehenen Nadelverbundstoffs bekannt. Bei dem einen Verfahren werden vorgefertigte Flächenmuster in bestimmter Anordnung auf die Sichtseite eines flächenförmigen Gebildes aufgebracht und mit ihm durch einen Nadelprozess verbunden. Bei dem zweiten Verfahren wird auf ein flächenförmiges Gebildes ein zweites flächenförmiges Gebilde aufgelegt und durch Nadelung mit dem ersten flächenförmigen Gebilde derart verbunden, daß auf der Rückseite desselben die in vorbestimmter Anordnung durchgestochenen faserförmigen Gebilde die gewünschte Musterung ergeben. Bei dem dritten Verfahren werden faserförmige Gebilde, wie beispielsweise Lunten, auf ein flächenförmiges Gebilde aufgebracht und mit demselben durch Vernadelung verbunden. In welcher Weise die Trägerbahn beim Nadelvorgang abgestützt wird, ist nicht beschrieben.CH-A-401 893 discloses three different methods for producing a patterned needle composite. In one method, prefabricated surface patterns are applied in a specific arrangement to the visible side of a flat structure and connected to it by a needle process. In the second method, a second sheet-like structure is placed on a sheet-like structure and connected to the first sheet-like structure by needling in such a way that the fibrous structures pierced in a predetermined arrangement result in the desired pattern on the back of the same. In the third method, fibrous structures, such as slivers, applied to a sheet-like structure and connected to it by needling. The manner in which the carrier web is supported during the needle operation is not described.

Aus der DE-A-34 44 763 ist eine Anlage zum Herstellen von strukturierten Textilen mit Velournadelfilzbahnen bekannt, die aus einer mechanisch bzw. einer aerodynamischen arbeitenden Vlieslegemaschine, einer Vornadelmaschine und einer Velournadelmaschine besteht, bei der wenigstens die Velournadelmaschine mit einem das zu nadelnde Vlies tragenden und als Stichunterlage dienenden endlosen Bürstenband ausgerüstet ist, das aus einer Vielzahl die Borstenbüschel tragenden Bürstenplatten zusammengesetzt ist. Zur dreidimensionalen Strukturierung des vorgenadelten Faservlieses finden dabei Kronennadeln Anwendung.From DE-A-34 44 763 a system for the production of structured textiles with velor needle felt webs is known, which consists of a mechanically or aerodynamically operating fleece laying machine, a pre-needle machine and a velor needle machine, in which at least the velor needle machine with one of the fleece to be needled carrying and serving as a stitch pad endless brush tape, which is composed of a plurality of brush plates carrying the tufts of bristles. Crown needles are used for the three-dimensional structuring of the pre-needled fiber fleece.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren anzugeben, mit dem es in einfacher Weise bei geringstmöglichem apparativem Aufwand möglich ist, vielseitig und auch unterschiedlich gemusterte textile Nadelvliesvelourbahnen herzustellen.The invention has for its object to provide a method with which it is possible in a simple manner with the least possible outlay on equipment to produce versatile and also differently patterned textile nonwoven velor webs.

Diese Aufgabe wird durch die im Anspruch 1 angegebenen Merkmale gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved by the features specified in claim 1. Advantageous embodiments of the invention are the subject of the dependent claims.

Vorzugsweise wird man zur Herstellung der strukturierten Velourbahnen Gabelnadeln verwenden. Man kann jedoch auch oder zusätzlich zu den Gabelnade in Kronennadeln verwenden, wenn die gewünschte Strukturierung der Trägerbahn dies erfordert. In den meisten Fällen genügt es, für die Strukturierung ein einziges Nadelaggregat, das gegebenenfalls mit zwei einander parallelen Nadelbalken ausgerüstet ist, einzusetzen.It is preferable to use fork needles to produce the structured velor sheets. However, one can also or in addition to the fork in crown needles if the desired structuring of the carrier web requires this. In most cases, it is sufficient to use a single needle unit for the structuring, which may be equipped with two parallel needle bars.

Die Trägerbahn kann aus unterschiedlichsten Vormaterialien hergestellt werden, und zwar entweder aus einem vorgenadelten Wirrfaservlies oder einer vorgenadelten Faservliesbahn mit im wesentlichen in Bahnlängs- oder Bahnquerrichtung orientierten Fasern. Das Vormaterial kann ein- oder mehrlagig sein. Auch ist es möglich, daß die einzelnen Lagen Fasern enthalten, die in ganz spezifischen Richtungen innerhalb der Bahn orientiert sind. Die Herstellung solcher Vormaterialien erfolgt in an sich bekannter Weise mit Hilfe an sich bekannter Maschinen bzw. Apparate.The carrier web can be produced from a wide variety of primary materials, either from a pre-needled non-woven fabric or a pre-needled nonwoven web with fibers oriented essentially in the longitudinal or transverse direction of the web. The primary material can be single or multiple layers. It is also possible that the individual layers Contain fibers that are oriented in very specific directions within the web. Such materials are produced in a manner known per se with the aid of machines or apparatus known per se.

Das Aufbringen des für die Musterung der textilen Nadelvelourbahnen benötigten Fasermaterials kann dadurch geschehen, daß man eine weitere aus einem Vlies bestehende Fasermaterialbahn ganzflächig oder teilflächig in Streifenform auf die Trägerbahn auflegt und diese dann, wie bereits angegeben, weiterbehandelt. Anstelle großflächiger oder streifenförmiger Vliesbahnen kann man auch, je nach der gewünschten Musterung, eine Vielzahl flächiger Teilstücke einer Faservliesbahn mit gewünschter geometrischer Form auf die Trägerbahn auflegen, welche diese dann stellenweise bedecken.The application of the fiber material required for the patterning of the textile needle velor webs can be done by placing a full or partial surface of a further fiber material web in strip form on the carrier web and then further treating it, as already stated. Instead of large-area or strip-shaped nonwoven webs, depending on the desired pattern, a large number of flat sections of a nonwoven web of the desired geometric shape can be placed on the carrier web, which then cover them in places.

Stanzt man aus einer Faservliesbahn regelmäßig im Rapport oder unregelmäßig Teilstücke beliebiger geometrischer Form aus, so kann man einerseits die ausgestanzten Teilstücke oder die Vliesbahn, aus welcher diese ausgestanzt wurden, auf die Trägerbahn aufbringen.If you regularly punch out a nonwoven web in repeat or irregular sections of any geometric shape, you can firstly apply the punched sections or the nonwoven web from which these were punched out to the carrier web.

Um die erwünschte Musterung des Endprodukts in optimaler Weise zu erhalten, haben die Fasern in den auf die Trägerbahn aufgebrachten Faservliesen od.dgl. flächigen Fasergebilden oder deren Teilstücken eine Orientierung, die quer zur Hauptorientierung der Fasern in der Trägerbahn verläuft. Dadurch werden die die Musterung bewirkenden Fasern von den Gabelnadeln optimal erfaßt und durch die Trägerbahn auf deren Unterseite, die dann später die Oberseite des Endprodukts ist, hindurchgedrückt.In order to optimally obtain the desired patterning of the end product, the fibers have the like in the nonwovens applied to the carrier web or the like. flat fiber structures or their sections have an orientation that is transverse to the main orientation of the fibers in the carrier web. As a result, the fibers effecting the pattern are optimally grasped by the fork needles and pressed through the carrier web on the underside thereof, which is later the top side of the end product.

Eine weitere Variante des erfindungsgemäßen Verfahrens besteht darin, daß man auf der Trägerbahn Fasern in Form eines Garns oder mehrerer Garne oder Vorgarne oder Faserlunten od.dgl. ablegt, deren Fasern jedoch in ihrem Verbund so locker eingebunden sind, daß sie zu Musterungszwecken mit Hilfe der Nadeln durch die Trägerbahn hindurchgestoßen werden können. Es kann sich bei den Garnen, Vorgarnen, Faserlunten od.dgl. um endlose Fasergebilde oder um endliche Stücke derselben handeln, die entweder wirr und unregelmäßig oder gegebenenfalls auch nach einem vorbestimmten Muster auf der Trägerbahn abgelegt werden.A further variant of the method according to the invention consists in that fibers or the like are formed on the carrier web in the form of a yarn or several yarns or rovings or slivers. deposits, but the fibers are so loosely integrated in their composite that they can be pushed through the carrier web with the help of the needles for patterning purposes. It may be the case with the yarns, rovings, fiber slivers or the like. are endless fiber structures or finite pieces of the same, which are deposited either tangled and irregularly or, if appropriate, also on the carrier web according to a predetermined pattern.

Die Garne oder Garnstücke od.dgl. können auf Spulen aufgewickelt sein, die in einem über der Trägerbahn bewegbaren Gatter gelagert sind. Sie werden zum Zwecke der Ablage von der Spule in zweckentsprechender Weise abgezogen und, wie erwähnt, wirr oder mustergemäß auf die Trägerbahn aufgelegt. Dies kann mit Hilfe eines Luftstroms oder gegebenenfalls mit Hilfe mechanischer Abwurf- oder Ablageeinrichtungen geschehen. Auch ist es möglich, für den erwähnten Zweck numerisch gesteuerte und über der Trägerbahn bewegbare Tragarme vorzusehen, an denen die Spulen der aufgewickelten Garne bzw. Garnstücke od.dgl. gelagert sind.The yarns or pieces of yarn or the like. can be wound on spools which are mounted in a movable gate over the carrier web. They are deducted for the purpose of storage from the coil in an appropriate manner and how mentioned, confused or patterned on the carrier web. This can be done with the help of an air stream or, if necessary, with the help of mechanical throwing or depositing devices. It is also possible to provide for the mentioned purpose numerically controlled and movable over the carrier web support arms on which the bobbins of the wound yarn or pieces of yarn or the like. are stored.

Spezielle bzw. zusätzliche Struktureffekte lassen sich dadurch erzielen, daß man anstatt von oder zusätzlich zu lockeren Garnen u.dgl. fester gedrehte Garne oder Garnstücke verwendet, die schlingenbildend durch die Trägerbahn hindurch gestoßen werden.Special or additional structural effects can be achieved in that instead of or in addition to loose yarns and the like. more tightly twisted yarns or pieces of yarn are used, which are pushed through the carrier web to form loops.

Anstelle einzelner Garne, Vorgarne oder Faserlunten od.dgl. ist es auch möglich, aus diesen bestehende flächige Gebilde auf die Trägerbahn aufzulegen, die beispielsweise lockere Gewebe in Gitterform oder lockere Gewirke od.dgl. sein können, in denen die Garne usw. geradlinig oder in Kurvenform angeordnet sind.Instead of individual yarns, rovings or slivers or the like. it is also possible to place existing sheet-like structures on the carrier web which, for example, have loose fabrics in the form of a grid or loose knitted fabrics or the like. can be in which the yarns etc. are arranged in a straight line or in a curve.

Es kann von Vorteil sein, die auf die Trägerbahn aufgebrachten Fasern, in welcher Form und in welchem Verbund auch immer, mit einer weiteren Faservliesbahn abzudecken. Dies kann sowohl vor der einzigen oder einer zweiten Vernadelungsstufe geschehen. Dadurch wird erreicht, daß die der Musterung dienenden Fasern von der Rückseite her beim fertigen Produkt nicht mehr als solche erkennbar sind.It can be advantageous to cover the fibers applied to the carrier web, in whatever form and in whatever composite, with a further nonwoven web. This can be done before the single or a second needling stage. This ensures that the fibers used for the pattern are no longer recognizable as such from the back of the finished product.

Man verwendet zur Durchführung des erfindungsgemäßen Verfahrens als Unterlage für die Materialbahn zum Zwecke ihrer Bearbeitung während aller Verfahrensschritte ein Bürstenband mit möglichst homogener, von den Spitzen der Borsten gebildeten Oberfläche, so daß eine bestmögliche Abstützung der Materialbahn erfolgt. Ein derartiges Bürstenband ist aus der DE-OS 34 44 763 bekanntgeworden. Es hat sich in der Praxis bereits hervorragend bewährt und ist daher auch für das vorliegende in Betracht kommende Verfahren optimal geeignet, da in der Oberfläche des Bürstenbandes keine Lücken oder Stellen mit geringererer oder dichtererer Borstenbesetzung vorhanden sind. Je nach den speziellen Anforderungen an das Endprodukt kann man das oder die Vorprodukte, die zur Bildung der Faservliesbahn zum Zwecke deren Strukturierung gebildet worden sind, in an sich bekannter Weise in Abhängigkeit von der Orientierung der im Vlies enthaltenen Fasern oder auch in anderen Richtungen recken. Dieses Verfahren ist an sich bekannt und bedarf daher keiner weiteren Erläuterung.To carry out the method according to the invention, a brush belt with the most homogeneous possible, from the tips of the Bristles formed surface so that the best possible support of the material web is carried out. Such a brush belt has become known from DE-OS 34 44 763. It has already proven itself extremely well in practice and is therefore also optimally suitable for the method in question, since there are no gaps or spots in the surface of the brush strip with a smaller or denser bristle population. Depending on the special requirements for the end product, the preliminary product or products that were formed to form the nonwoven web for the purpose of structuring it can be stretched in a manner known per se depending on the orientation of the fibers contained in the nonwoven or in other directions. This method is known per se and therefore requires no further explanation.

Wie bereits erwähnt, verwendet man für das abschließende Vernadeln der Materialbahn zur Herstellung des Endprodukts Gabelnadeln, bei denen die Ebenen, in welchen sich die Gabeln befinden, quer zur Richtung derjenigen Fasern liegen, die von den Gabe In in Form von Polschlingen durch die Trägerbahn hindurchgedrückt werden sollen. Je nach den spezifischen Anforderungen an das Endprodukt kann man gegebenenfalls zusätzlich zu den Gabelnadeln auch noch Kronen- oder gegebenenfalls anders geformte Nadeln verwenden.As already mentioned, for the final needling of the material web for the production of the end product, fork needles are used, in which the planes in which the forks are located lie transversely to the direction of those fibers which are pushed through the carrier web in the form of pile loops by the gift in should be. Depending on the specific requirements of the end product, crown needles or optionally other shaped needles can also be used in addition to the fork needles.

Zum Vernadeln der Materialbahn in der letzten Vernadelungsstufe ist es vorteilhaft, die hier zum Einsatz gelangenden Nadeln gruppenweise an einem oder an mehreren auf und nieder bewegbaren Nadelbalken anzubringen, wobei die einzelnen Nadelbalken gemeinsam im Takt und synchron oder aber auch asynchron zueinander oder aber auch einzeln und unabhängig voneinander bewegbar sind. Maßgebend für die Bewegung der einzelnen Nadelbalken ist insbesondere die gewünschte Musterung. Wesentlich ist hierbei, in der letzten Vernadelungsstufe die Distanz zwischen den Nadeln und der Ebene des zu vernadelnden Vlieses bzw. der Auflagefläche der Trägerbahn auch während des Betriebs zu verändern, und zwar in Abhängigkeit von der zu erzeugenden Musterung. Die Verstellung der Nadelaggregate und bzw. oder der Trägerbahn bzw. deren Auflage in der zuvor angegebenen Weise kann mechanisch oder elektrisch oder auch hydraulisch erfolgen.For needling the material web in the last needling stage, it is advantageous to attach the needles used here in groups to one or more needle bars that can be moved up and down, the individual needle bars together in time and synchronously or else asynchronously with one another or also individually and are independently movable. Decisive for the movement of the individual needle bar is in particular the desired pattern. It is important to change the distance between the needles and the plane of the fleece to be needled or the support surface of the carrier web during operation in the last needling stage, depending on the pattern to be generated. The needle units and / or the carrier web or their support can be adjusted mechanically or electrically or also hydraulically in the manner specified above.

In diesem Zusammenhang kann man auch vorsehen, die Nadelbalken nicht über ihre ganze Breite mit Nadeln zu besetzen, sondern nur stellen- oder bereichsweise, so daß der Vielfalt der erzeugbaren Musterungen praktisch keine Grenzen gesetzt sind.In this context, it can also be provided that the needle bars are not filled with needles over their entire width, but only in places or areas, so that there are practically no limits to the variety of patterns that can be generated.

Auf diese Art und Weise hat man hinsichtlich der Musterung jedwede nur denkbare Variationsmöglichkeit.In this way you have every conceivable variation with regard to the pattern.

Claims (14)

  1. A method of producing a needled, structured and patterned velour web from a textile support web and a textile fiber material which differs from the fibers of the support web by color and/or shape and/or material and/or degree of fineness and/or orientation of its fibers and is applied to the rear side of the support web located on a support and is pressed by needling through the support web until they become visible on the front face located on said support, characterized in that the textile fiber material is applied on a pre-needled fiber web as at least a layer effecting a pattern as a fleece with the whole surface or in parts or as a yarn, pre-yarn or fiber rove, and that the web prepared in this manner is restin on a brush band with a homogeneous surface formed by the tips of the bristles is subjected to a needling process for the purpose of forming a pattern and for structuring, wherein the fibers applied to the velour web are punched therethrough to the lower side of the velour web formed thereby until becoming visible there, wherein the poles thereof are essentially located on the level of the lower surface of the velour web.
  2. A method according to claim 1, characterized in that the support web is manufactured by needling a tangled fiber fleece.
  3. A method according to claim 2, characterized in that the support web consists of a pre-needled fiber fleece web with fibers oriented essentially in the longitudinal direction of the web.
  4. A method according to claim 2, characterized in that the support web consists of a pre-needled fiber fleece web with fibers oriented essentially in the lateral direction of the web.
  5. A method according to one or a plurality of claim 1 to 4, characterized in that the fiber material applied on the support web is covered by means of a fiber fleece web.
  6. A method according to one or a plurality of claims 1 to 5, characterized in that the fibers serving for the patterning are applied to the support web prior to one single needling step.
  7. A method according to one or a plurality of claims 1 to 5, characterized in that the fibers serving for the patterning are applied to the support web prior to both a first and a second needling step.
  8. A method according to one or a plurality of claims 1 to 7, characterized in that the fiber material applied onto the support web is tacked or fixed thereto by needling or by a vacuum below the support web.
  9. A method according to one or a plurality of claims 1 to 8, characterized in that the pre-needled fiber fleece web prior to structuring is stretched in a manner known per se.
  10. A method according to one or a plurality of claims 1 to 9, characterized in that fork needles are used for needling the web, with the fork needles being oriented so that the planes of the forks are located transverse to the direction of those fibers which are to be punched through the support web in the form of pile loops.
  11. A method according to claim 10, characterized in that for the needling of the web crown needles are also used in addition to fork needles.
  12. A method according to one or a plurality of claims 1 to 11, characterized in that the needles are attached by groups or areas to one or more vertically reciprocal needle beams.
  13. A method according to claim 12, characterized in that the needles are arranged on the needle beam of a needle aggregate according to a scheme corresponding to the desired patterning.
  14. A method according to one or a plurality of claims 1 to 13, characterized in that the distance between the needles and the plane of the supporting surface of the support web is mechanically, electrically or hydraulically variable even during operation in accordance with a control program.
EP90114899A 1989-08-03 1990-08-02 Method for producing by needling an ornamental patterned textile velour Expired - Lifetime EP0411647B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3925757 1989-08-03
DE3925757 1989-08-03
DE4022891 1990-07-18
DE4022891A DE4022891A1 (en) 1989-08-03 1990-07-18 Patterned needled nonwoven material prepn. - by forming needled material into velour web and overlaying layer(s) of textile fibres

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EP0411647A1 EP0411647A1 (en) 1991-02-06
EP0411647B1 true EP0411647B1 (en) 1995-05-10

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EP (1) EP0411647B1 (en)
JP (1) JP2989867B2 (en)
AT (1) ATE122411T1 (en)
DE (2) DE4022891A1 (en)

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Publication number Publication date
EP0411647A1 (en) 1991-02-06
DE59009053D1 (en) 1995-06-14
ATE122411T1 (en) 1995-05-15
JP2989867B2 (en) 1999-12-13
JPH03220359A (en) 1991-09-27
DE4022891A1 (en) 1991-02-07
US5144730A (en) 1992-09-08

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