DE10316746A1 - Process and plant for the uniform consolidation of a nonwoven fabric - Google Patents

Process and plant for the uniform consolidation of a nonwoven fabric Download PDF

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Publication number
DE10316746A1
DE10316746A1 DE10316746A DE10316746A DE10316746A1 DE 10316746 A1 DE10316746 A1 DE 10316746A1 DE 10316746 A DE10316746 A DE 10316746A DE 10316746 A DE10316746 A DE 10316746A DE 10316746 A1 DE10316746 A1 DE 10316746A1
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Germany
Prior art keywords
fleece
width
fibers
needling
evenly
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE10316746A
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German (de)
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Truetzschler Nonwovens GmbH
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Fleissner GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fleissner GmbH filed Critical Fleissner GmbH
Priority to DE10316746A priority Critical patent/DE10316746A1/en
Priority to US10/536,733 priority patent/US20060090315A1/en
Priority to EP03811783A priority patent/EP1567701A1/en
Priority to PCT/EP2003/050861 priority patent/WO2004048660A1/en
Priority to TW092132873A priority patent/TWI254755B/en
Publication of DE10316746A1 publication Critical patent/DE10316746A1/en
Withdrawn legal-status Critical Current

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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
    • 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
    • D04H1/492—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 by fluid jet
    • 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
    • D04H1/492—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 by fluid jet
    • D04H1/495—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 by fluid jet for formation of patterns, e.g. drilling or rearrangement
    • 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
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
    • D04H3/037—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random reorientation by liquid
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet

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

Abstract

Ein von einer Krempel gebildetes Stapelfaservlies oder auch andere aus Endlosfasern gebildete Vliese weisen aufgrund der längsorientierten Faserlängen nach der z. B. hydrodynamischen Vernadelung in Längsrichtung eine höhere Festigkeit auf als in Querrichtung. Diese Tatsache kann verbessert werden, wenn das vorverfestigte Vlies einer Neuorientierung der Fasern ausgesetzt wird, wie z. B. bei einer seitlichen Reckbehandlung. Dabei werden die im Vlies bereits verschlungenen Fasern zumindest teilweise umorientiert, wie z. B. in Querrichtung. In dieser neuen Lage wird dann eine weitere hydrodynamische Verfestigungsbehandlung erfolgen, um diese neue Lage zu fixieren. Damit erhält das Vlies insgesamt eine höhere Festigkeit als es ohne diese Umorientierung der Fasern möglich wäre.A staple fiber fleece formed by a card or other nonwovens formed from continuous fibers have due to the longitudinal fiber lengths according to the z. B. hydrodynamic needling in the longitudinal direction to a higher strength than in the transverse direction. This fact can be improved if the pre-consolidated nonwoven is subjected to a reorientation of the fibers, e.g. B. in a lateral stretching treatment. The fibers already tangled in the fleece are at least partially reoriented, such as. B. in the transverse direction. A further hydrodynamic hardening treatment will then take place in this new layer in order to fix this new layer. This gives the fleece a higher overall strength than would be possible without this reorientation of the fibers.

Description

Ein Faservlies aus Stapelfasern und/oder Endlosfasern wie auch Spunbondfasern und/oder vermischt mit natürlichen Fasern wie auch Pulp hat aufgrund der Herstellungsbedingungen keine gleichmäßige Verteilung der Fasern in Längs- und Querrichtung. Die Fasern liegen im wesentlichen in Längsrichtung des Vlieses gestreckt, so dass in Querrichtung eine geringere Festigkeit nach z. B einer hydrodynamischen Vernadelung entsteht.A nonwoven fabric made from staple fibers and / or continuous fibers as well as spunbond fibers and / or mixed with natural Fibers and pulp have none due to the manufacturing conditions even distribution of fibers in longitudinal and cross direction. The fibers lie essentially in the longitudinal direction of the fleece stretched, so that a lower strength in the transverse direction after z. B hydrodynamic needling arises.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu finden, wie über die Fläche in den beiden Richtungen MD und CD ein gleichmäßiger verfestigtes Vlies und damit ein insgesamt erhöht verfestigtes Vlies zu erhalten ist.The invention is based on the object Procedures to find how about the area in the two directions MD and CD an evenly consolidated fleece and thus an overall increased solidification Fleece is available.

Die Lösung dieser Aufgabe wird darin gesehen, dass dem Vlies vor, während und/oder nach einer ersten hydrodynamischen Vernadelung und/oder einer folgenden hydrodynamischen Vernadelung über die Breite zumindest teilweise eine Neuorientierung der Fasern aufgezwungen und dann das Vlies einer weiteren Wasserstrahlbehandlung ausgesetzt wird. Die Neuorientierung der Fasern kann entstehen beim seitlichen Recken, beim Pressen und/oder nur Obertlächenbehandeln wie Bürsten oder mit seitlich schräg versetzt ausgerichteten oder changierenden Wasserstrahlen. Damit erhält das Vlies insgesamt eine höhere Festigkeit als es ohne diese Umorientierung der Fasern möglich wäre.The solution to this problem is in it seen that before the fleece and / or after a first hydrodynamic needling and / or one following hydrodynamic needling across the width at least partially a reorientation of the fibers and then the fleece one exposed to further water jet treatment. The reorientation the fibers can arise during lateral stretching, pressing and / or treat surface only like brushes or with angled sideways offset or alternating water jets. In order to receives the fleece overall is higher Strength than would be possible without this reorientation of the fibers.

Diese Behandlung kann auch mehrfach hintereinander erfolgen. Dabei ist darauf zu achten, dass das Vlies über die Breite gleichmäßig z. B. gereckt wird, was jedenfalls erfolgt, wenn das Vlies beim Recken, Bürsten oder Pressen vollflächig unterstützt ist und die auf das Vlies wirkenden Kräfte überall gleichmäßig über die Breite am Vlies angreifen. Vorrichtungen dazu sind auf dem Textilgebiet zur Behandlung von Geweben und Gewirken bekannt.This treatment can also be repeated in a row. It is important to ensure that the fleece over the Width evenly z. B. is stretched, which happens when the fleece is stretched, to brush or pressing over the entire surface supports is and the forces acting on the fleece everywhere evenly over the Touch the width of the fleece. Devices for this are in the textile field known for the treatment of fabrics and knitted fabrics.

Claims (12)

Verfahren zur gleichmäßigen Verfestigung eines Faservlieses aus Stapel- und/oder Endlosfasern wie auch unmittelbar vorher kontinuierlich abgelegten Kunstfasern ggf. vermischt mit natürlichen Fasern wie auch Pulp, das z. B. mittels einer Krempel oder nach dem Luftlegeverfahren und/oder mittels des Spunbond-Verfahrens gebildet ist und dessen Fasern dann mittels der hydrodynamischen Vernadelung miteinander verschlungen werden, indem das Vlies ein- oder beidseitig einer Reihe von Wasserstrahlverfestigungsbehandlungen ausgesetzt wird, dadurch gekennzeichnet, dass dem Vlies vor, während und/oder nach einer ersten hydrodynamischen Vernadelung und/oder einer folgenden hydrodynamischen Vernadelung über die Breite zumindest teilweise eine Neuorientierung der Fasern aufgezwungen und dann das Vlies einer weiteren Wasserstrahlbehandlung ausgesetzt wird.Process for the uniform consolidation of a nonwoven fabric made of staple and / or continuous fibers as well as synthetic fibers which have been continuously deposited immediately beforehand, optionally mixed with natural fibers as well as pulp, which, for. B. is formed by means of a card or by the air laying process and / or by means of the spunbond process and the fibers of which are then intertwined by means of the hydrodynamic needling by the fleece being subjected to one or both sides of a series of hydroentanglement treatments, characterized in that the Nonwoven before, during and / or after a first hydrodynamic needling and / or a subsequent hydrodynamic needling across the width is at least partially forced to reorient the fibers and then the nonwoven is subjected to a further water jet treatment. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Vlies zur teilweisen Neuorientierung der Fasern über die Breite gereckt wird.A method according to claim 1, characterized in that the fleece for the partial reorientation of the fibers over the Width is stretched. Verfahren nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, dass das Vlies nach einer hydrodynamischen Vernadelung gleichmäßig über die Breite gepresst wird.A method according to claim 1 and / or 2, characterized in that that the fleece after hydrodynamic needling evenly across the width is pressed. Verfahren nach Anspruch 1 und/oder 2 und/oder 3, dadurch gekennzeichnet, dass das Vlies nach einer hydrodynamischen Vernadelung gleichmäßig über die Breite in Richtung quer zur Transportrichtung z. B gebürstet wird.Method according to claim 1 and / or 2 and / or 3, characterized in that the fleece after a hydrodynamic Needling evenly over the Width in the direction transverse to the transport direction z. B is brushed. Verfahren nach Anspruch 1 und/oder 2 – 4, dadurch gekennzeichnet, dass das Vlies nach einer hydrodynamischen Vernadelung gleichmäßig über die Breite in Richtung quer zur Transportrichtung mit Wasserstrahlen beaufschlagt wird.The method of claim 1 and / or 2-4, characterized characterized that the fleece after hydrodynamic needling evenly across the width in the direction transverse to the direction of transport with water jets becomes. Verfahren nach Anspruch 1 und/oder 2 – 5, dadurch gekennzeichnet, dass das Vlies nach einer hydrodynamischen Vernadelung senkrecht zur Vliesebene mit quer zur Transportrichtung changierenden Wasserstrahlen beaufschlagt wird.Method according to claim 1 and / or 2-5, characterized characterized that the fleece after hydrodynamic needling perpendicular to the fleece level with water jets that change across the transport direction is applied. Verfahren nach Anspruch 1 bis 6, dadurch gekennzeichnet, dass das Vlies mehrfach hintereinander hydrodynamisch vernadelt und dann in der Breite gereckt und/oder gepresst und/oder gebürstet und dann wieder vernadelt wird.Method according to claims 1 to 6, characterized in that that the fleece is needled hydrodynamically several times in succession and then stretched and / or pressed and / or brushed in width and then is needled again. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Reck- oder Bürstvorgang bei über die Breite vollständig unterstütztem Vlies gleichmäßig über die Breite des Vlieses durchgeführt wird.Method according to one of claims 1 to 7, characterized in that that the stretching or brushing process at over the width completely supported fleece evenly over the Width of the fleece carried out becomes. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dem so vorverfestigten Vlies ein anderes Vlies zugeführt und beide miteinander verfestigt werden.Method according to one of the preceding claims, characterized characterized that the pre-consolidated fleece is another fleece supplied and both are solidified together. Anlage zur Verfestigung eines Faservlieses zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Vorrichtung zur Wasservernadelung kombiniert ist mit einer folgenden Reckvorrichtung, die das vorverfestigte Vlies gleichmäßig über die Breite verzieht.Plant for consolidating a nonwoven fabric for carrying out the Method according to one of the preceding claims, characterized in that that a device for water needling is combined with a following stretching device that the pre-consolidated fleece evenly across the width disfiguration. Anlage nach Anspruch 10, dadurch gekennzeichnet, dass der Reckvorrichtung wieder eine Wasservernadelungsvorrichtung und so weiter folgt.Installation according to claim 10, characterized in that the stretching device is again a water needling device and so on follows. Anlage zur Verfestigung eines Faservlieses zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Vorrichtung zur Wasservernadelung kombiniert ist mit einer folgenden Pressund/oder Bürstvorrichtung und/oder hydrodynamischen Vernadelungsvorrichtung, die das vorverfestigte Vlies gleichmäßig über die Breite in der Faserorientierung seitlich verändert.Plant for consolidating a nonwoven fabric for carrying out the method according to one of the preceding claims, characterized in that a device for water needling is combined with a following pressing and / or brushing device and / or hydrodynamic needling device which changes the pre-consolidated fleece laterally evenly across the width in the fiber orientation.
DE10316746A 2002-11-27 2003-04-10 Process and plant for the uniform consolidation of a nonwoven fabric Withdrawn DE10316746A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE10316746A DE10316746A1 (en) 2002-11-27 2003-04-10 Process and plant for the uniform consolidation of a nonwoven fabric
US10/536,733 US20060090315A1 (en) 2002-11-27 2003-11-21 Method and device for the uniform bonding of a nonwoven
EP03811783A EP1567701A1 (en) 2002-11-27 2003-11-21 Method and device for the uniform bonding of a nonwoven
PCT/EP2003/050861 WO2004048660A1 (en) 2002-11-27 2003-11-21 Method and device for the uniform bonding of a nonwoven
TW092132873A TWI254755B (en) 2002-11-27 2003-11-24 A method and an installation for the uniform bonding of nonwovens

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10255505 2002-11-27
DE10255505.2 2002-11-27
DE10316746A DE10316746A1 (en) 2002-11-27 2003-04-10 Process and plant for the uniform consolidation of a nonwoven fabric

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DE10316746A1 true DE10316746A1 (en) 2004-06-24

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DE10316746A Withdrawn DE10316746A1 (en) 2002-11-27 2003-04-10 Process and plant for the uniform consolidation of a nonwoven fabric

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2023139A1 (en) * 1969-05-13 1970-11-19 Kurashiki Rayon Co Process for the production of fiber fleece by means of Fluidumjet
US5151320A (en) * 1992-02-25 1992-09-29 The Dexter Corporation Hydroentangled spunbonded composite fabric and process
DE69600069T2 (en) * 1995-03-02 1998-02-05 Icbt Perfojet Sa DEVICE FOR PRODUCING FLEECE MATERIALS FROM WHICH THE COHESION IS PRODUCED BY LIQUID JET
DE10006763A1 (en) * 2000-02-15 2001-08-16 Fleissner Gerold Hydrodynamic consolidation of non-woven involves fluid jet treatment of non-woven while held between continuous conveying bands
US20020088099A1 (en) * 2000-12-18 2002-07-11 Hannu Ahoniemi Method of producing a nonwoven material
DE10108092A1 (en) * 2001-02-19 2002-09-26 Freudenberg Carl Kg Tufting carrier and process for its manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2023139A1 (en) * 1969-05-13 1970-11-19 Kurashiki Rayon Co Process for the production of fiber fleece by means of Fluidumjet
US5151320A (en) * 1992-02-25 1992-09-29 The Dexter Corporation Hydroentangled spunbonded composite fabric and process
DE69600069T2 (en) * 1995-03-02 1998-02-05 Icbt Perfojet Sa DEVICE FOR PRODUCING FLEECE MATERIALS FROM WHICH THE COHESION IS PRODUCED BY LIQUID JET
DE10006763A1 (en) * 2000-02-15 2001-08-16 Fleissner Gerold Hydrodynamic consolidation of non-woven involves fluid jet treatment of non-woven while held between continuous conveying bands
US20020088099A1 (en) * 2000-12-18 2002-07-11 Hannu Ahoniemi Method of producing a nonwoven material
DE10108092A1 (en) * 2001-02-19 2002-09-26 Freudenberg Carl Kg Tufting carrier and process for its manufacture

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Owner name: FLEISSNER GMBH, 63329 EGELSBACH, DE

8130 Withdrawal