EP1567702A1 - Process for hydrodynamic inclusion of a multitude of three-dimensional products of finite dimensions by water jets - Google Patents

Process for hydrodynamic inclusion of a multitude of three-dimensional products of finite dimensions by water jets

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Publication number
EP1567702A1
EP1567702A1 EP03812181A EP03812181A EP1567702A1 EP 1567702 A1 EP1567702 A1 EP 1567702A1 EP 03812181 A EP03812181 A EP 03812181A EP 03812181 A EP03812181 A EP 03812181A EP 1567702 A1 EP1567702 A1 EP 1567702A1
Authority
EP
European Patent Office
Prior art keywords
fleece
finite
hydrodynamic
covering
goods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03812181A
Other languages
German (de)
French (fr)
Other versions
EP1567702B1 (en
Inventor
Alfred Watzl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler Nonwovens GmbH
Original Assignee
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
Publication of EP1567702A1 publication Critical patent/EP1567702A1/en
Application granted granted Critical
Publication of EP1567702B1 publication Critical patent/EP1567702B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • D04H1/40—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
    • D04H1/498—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 entanglement of layered webs
    • 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

Definitions

  • the invention has for its object to find a method with which even finite goods such as prefabricated cushion and / or absorbent pads for diapers, wound dressings, compresses, pillows, possibly also plasters or the like. Finished products can be packaged continuously, without the products losing inadmissible volume and the cover fleeces connecting to the products during packaging needling.
  • the invention consists in that the middle layer later covering fleece first solidified with water jets, on this solidified fleece the middle layer to be enclosed, the finite, three-dimensional material applied, then these two layers are covered with another fleece, which was pre-consolidated in the same way, and all together to connect the hydrodynamic needles, in turn, are applied to the two covering fleeces lying on top of one another evenly over the working width.
  • the pre-consolidated cover fleeces have a density, load-bearing capacity and strength which do not adversely affect the products after the cover fleeces have been connected by means of the hydrodynamic needling.
  • the products can remain voluminous and in particular do not combine with the surface of the nonwovens that is already solidified in the structure of the nonwovens. It is a particular advantage that the cover fleeces have their own strength and do not roughen when in use, i.e. they have sufficient abrasion resistance.
  • the pre-consolidated nonwovens are provided with a perforated structure during consolidation, which occurs when the hydrodynamic consolidation takes place with a hole spacing in the nozzle strip of 5-20 hpi and a water pressure of at least 100 bar. This ensures good integration of the fibers of the cover fleece. If these so pre-consolidated nonwovens are placed on top of one another and provided with the finite products in between, and the further connection of the nonwovens for the final packaging of the products is preferably also carried out with a nozzle bar, the nozzle strips of which have holes of 5-20 hpi and the water pressure does not increase than 200 bar, then bond, then the fibers of the cover fleece intertwine in the areas around the products, but the products remain essentially unchanged in volume, each

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Sealing Material Composition (AREA)
  • Packages (AREA)
  • Physical Water Treatments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Finite goods are continuously packed between two non-wovens by means of hydrodynamic needling and are fully sealed. When used, said wovens should not nap and should not become linked to the goods during packing. When packed, the volume of the goods should, wherever possible, remain unchanged. In order to achieve said aims, the covering non-wovens are prefixed by means of hydrodynamic needling. Particularly good results are achieved if perforated non-wovens are used to cover the finite products, the number of said perforations being approximately 5-20 perforations per inch, and when said non-wovens are joined to each other by means of water needling.

Description

Verfahren zum hydrodynamischen Einschließen einer Vielzahl von endlichen, dreidimensionalen Produkten mit WasserstrahlenProcess for hydrodynamically enclosing a variety of finite three-dimensional products with water jets

Durch die WO 00/63479 ist es bekannt, auch dreidimensionale Güter wie auch Voroder Zwischenprodukte zwischen zwei Warenbahnen wie Vliese zu lagern, durch hydrodynamische Vernadelung die Vliese durch Verfilzen derer Fasern zu verbinden, zu verfestigen und dadurch die Güter auch einzuschließen.From WO 00/63479 it is known to store three-dimensional goods as well as preliminary or intermediate products between two webs such as nonwovens, to connect the nonwovens by felting their fibers by means of hydrodynamic needling, to solidify them and thereby also to enclose the goods.

Solange der Verfestigungsvorgang fortlaufend über die Länge der vorlaufenden Sandwichbahn erfolgen soll - gleichgütig ob nun die dreidimensionalen Güter parallel zur Transportrichtung der Warenbahn verlaufen oder senkrecht dazu - besteht kein Unterschied zum vorbekannten Verfestigungsverfahren mittels der Vernadelung nach z. B. der US-A-3 508 308. Sind jedoch die Güter endlich und sollen sie nur rundum verpackt, verschlossen werden, so können die Güter mit den vorbekannten Verfahren mit der kontinuierlichen Wasservernadelung nicht nur teilweise über die Fläche verfestigt oder eingepackt werden.As long as the consolidation process is to take place continuously over the length of the leading sandwich web - regardless of whether the three-dimensional goods run parallel to the transport direction of the web or perpendicular to it - there is no difference to the previously known consolidation process by means of needling according to e.g. B. US-A-3 508 308. However, if the goods are finite and should only be packed all around, be closed, the goods can not only be partially solidified or packed over the surface using the previously known methods with continuous water needling.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu finden, mit dem auch solche endliche Güter wie bereits vorgefertigte Polster- und/oder Saugeinlagen für Windeln, Wundauflagen, Kompressen, Kissen, evtl. auch Pflaster od. dgl. Fertigprodukte kontinuierlich verpackt werden können, ohne dass die Produkte unzulässig an Volumen verlieren und die Abdeckvliese sich beim verpackenden Vernadeln mit den Produkten verbinden.The invention has for its object to find a method with which even finite goods such as prefabricated cushion and / or absorbent pads for diapers, wound dressings, compresses, pillows, possibly also plasters or the like. Finished products can be packaged continuously, without the products losing inadmissible volume and the cover fleeces connecting to the products during packaging needling.

Ausgehend von einem Verfahren zum hydrodynamischen Einschließen einer Schicht aus einer Vielzahl von dreidimensionalen endlichen Produkten von zumindest zwei, teilweise drei oder mehr aufeinander liegenden Vliesen, Tissue, evtl. zusätzlichen Geweben oder Gewirken mittels kontinuierlich und gleichmäßig über eine Arbeitsbreite Proceeding from a method for hydrodynamically enclosing a layer of a multitude of three-dimensional finite products of at least two, sometimes three or more nonwovens, tissue, possibly additional fabrics or knitted fabrics by means of continuously and evenly over a working width

aus einem Düsenbalken austretenden Fiüssigkeitsstrahlen, indem mit Druck eine Flüssigkeit aus feinen, in Reihe angeordneten Düsenöffnungen aus zumindest einem über die Arbeitsbreite sich erstreckenden Düsenstreifen zumindest eines Düsenbalkens gegen die gegenüber dem Düsenbalken vorlaufende Warenbahn gespritzt wird, besteht die Erfindung darin, dass ein die mittlere Schicht später abdeckendes Vlies zunächst vollflächig mit Wasserstrahlen verfestigt, auf dieses verfestigte Vlies die einzuschließende mittlere Schicht, das endliche, dreidimensional auftragende Material gelegt, dann diese beiden Schichten mit einem weiteren Vlies, das auf gleiche Weise vorverfestigt wurde, abgedeckt wird und alles zusammen zum Verbinden der beiden aufeinanderliegenden Abdeckvliese wiederum mit hydrodynamischen Nadeln gleichmäßig über die Arbeitsbreite beaufschlagt wird.Liquid jets emerging from a nozzle bar, by spraying a liquid from fine nozzle openings arranged in series from at least one nozzle strip extending over the working width of at least one nozzle bar against the web of material advancing relative to the nozzle bar, the invention consists in that the middle layer later covering fleece first solidified with water jets, on this solidified fleece the middle layer to be enclosed, the finite, three-dimensional material applied, then these two layers are covered with another fleece, which was pre-consolidated in the same way, and all together to connect the hydrodynamic needles, in turn, are applied to the two covering fleeces lying on top of one another evenly over the working width.

Damit wird der Wunsch, derartige dreidimensional in ihrer Höhe und in ihren Produkteigenschaften empfindlichen Produkte kontinuierliche zu verpacken, gelöst. Die vorverfestigen Abdeckvliese haben eine Dichte, Tr gfähigkeit und Festigkeit, die die Produkte nach dem Verbinden der Abdeckvliese mittels der hydrodynamischen Vernadelung nicht nachteilig beeinflusst. Die Produkte können voluminös bleiben und verbinden sich insbesondere nicht mit der bereits in der Struktur der Vliese verfestigen Oberfläche der Vliese. Es ist der besondere Vorteil, dass die Abdeckvliese eine eigene Festigkeit haben und nicht bei Gebrauch aufrauen, also eine genügende Abriebfestigkeit haben.This solves the desire to continuously pack such products that are sensitive three-dimensionally in height and in their product properties. The pre-consolidated cover fleeces have a density, load-bearing capacity and strength which do not adversely affect the products after the cover fleeces have been connected by means of the hydrodynamic needling. The products can remain voluminous and in particular do not combine with the surface of the nonwovens that is already solidified in the structure of the nonwovens. It is a particular advantage that the cover fleeces have their own strength and do not roughen when in use, i.e. they have sufficient abrasion resistance.

Dies alles gilt insbesondere, wenn die vorverfestigten Vliese beim Verfestigen mit einer Lochstruktur versehen werden, die entsteht, wenn die hydrodynamische Verfestigung mit einem Lochabstand in dem Düsenstreifen vom 5 - 20 hpi und einem Wasserdruck von mindestens 100 bar erfolgt. Damit ist eine gute Einbindung der Fasern der Abdeckvliese erreicht. Wenn jetzt diese so vorverfestigten Vliese aufeinandergelegt und mit den endlichen Produkten dazwischen versehen werden, und nunmehr die weitere Verbindung der Vliese zum endgültigen Verpacken der Produkte vorzugsweise ebenfalls mit einem Düsenbalken erfolgt, dessen Düsenstreifen mit Löchern von 5 - 20 hpi versehen und der Wasserdruck nicht höher als 200 bar ist, dann verbinden sich zwar, dann verflechten sich die Fasern der Abdeckvliese in den Bereichen rund um die Produkte, aber die Produkte bleiben im wesentlichen unverändert im Volumen, jeden- All this applies in particular if the pre-consolidated nonwovens are provided with a perforated structure during consolidation, which occurs when the hydrodynamic consolidation takes place with a hole spacing in the nozzle strip of 5-20 hpi and a water pressure of at least 100 bar. This ensures good integration of the fibers of the cover fleece. If these so pre-consolidated nonwovens are placed on top of one another and provided with the finite products in between, and the further connection of the nonwovens for the final packaging of the products is preferably also carried out with a nozzle bar, the nozzle strips of which have holes of 5-20 hpi and the water pressure does not increase than 200 bar, then bond, then the fibers of the cover fleece intertwine in the areas around the products, but the products remain essentially unchanged in volume, each

falls verbinden sie sich nicht bei der verpackenden Wasservernadelung mit den Vliesen. if they do not bind to the fleeces during the packaging water needling.

Claims

P a t e n t a n s p r ü c h e : Patent claims: 1. Verfahren zum hydrodynamischen Einschließen einer Schicht aus einer Vielzahl von dreidimensionalen endlichen Produkten von zumindest zwei, teilweise drei oder mehr aufeinander liegenden Vliesen, Tissue, evtl. zusätzlichen Geweben oder Gewirken mittels kontinuierlich und gleichmäßig über eine Arbeitsbreite aus einem Düsenbalken austretenden Flüssigkeitsstrahlen, indem mit Druck eine Flüssigkeit aus feinen, in Reihe angeordneten Düsenöffnungen aus zumindest einem über die Arbeitsbreite sich erstreckenden Düsenstreifen zumindest eines Düsenbalkens gegen die gegenüber dem Düsenbalken vorlaufende Warenbahn gespritzt wird, dadurch gekennzeichnet, dass ein die mittlere Schicht später abdeckendes Vlies zunächst vollflächig mit Wasserstrahlen verfestigt, auf dieses verfestigte Vlies die einzuschließende mittlere Schicht, das endliche, dreidimensional auftragende Material gelegt, dann diese beiden Schichten mit einem weiteren Vlies, das auf gleiche Weise vorverfestigt wurde, abgedeckt wird und alles zusammen zum Verbinden der beiden aufeinanderliegenden Abdeckvliese wiederum mit hydrodynamischen Nadeln gleichmäßig über die Arbeitsbreite beaufschlagt wird.1. A method for hydrodynamically enclosing a layer of a multitude of three-dimensional finite products of at least two, sometimes three or more superposed nonwovens, tissue, possibly additional fabrics or knitted fabrics by means of liquid jets emerging continuously and uniformly over a working width from a nozzle bar by using Pressure a liquid is sprayed from fine nozzle openings arranged in a row from at least one nozzle strip extending over the working width of at least one nozzle bar against the web of material advancing opposite the nozzle bar, characterized in that a fleece covering the middle layer later is first solidified with water jets This solidified fleece laid the middle layer to be enclosed, the finite, three-dimensional material, then these two layers with another fleece, which was pre-consolidated in the same way , is covered and everything together to connect the two superimposed nonwovens is in turn applied with hydrodynamic needles evenly across the working width. 2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass das oder die Abdeckvliese bei der vorgelagerten hydrodynamischen Verfestigung mit durch die Wasserstrahlen erzeugten feinen Löchern perforiert wird.2. The method according to claim 1, characterized in that the or the cover fleece is perforated in the upstream hydrodynamic consolidation with fine holes generated by the water jets. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Anzahl der aus dem Düsenbalken auf das Abdeckvlies auftreffenden Wasserstrahlen etwa 5 - 20, vorzugsweise 10 Strahlen pro inch beträgt. 3. The method according to claim 1 or 2, characterized in that the number of water jets impinging on the covering fleece from the nozzle bar is approximately 5-20, preferably 10 jets per inch. 4. Verfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass der Wasserdruck beim perforierenden Vorverfestigen der Abdeckvliese etwa 100 bis 200, vorzugsweise 150 bar ist.4. The method according to claim 1 to 3, characterized in that the water pressure during perforating pre-consolidation of the cover fleece is about 100 to 200, preferably 150 bar. 5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das hydrodynamische Verbinden der Abdeckvliese ebenfalls mit Wasserstrahlen erfolgt, die mit größerem Abstand von etwa 5 - 20, vorzugsweise 10 Strahlen pro inch auf das Sandwichvlies treffen.5. The method according to any one of the preceding claims, characterized in that the hydrodynamic connection of the covering nonwovens is also carried out with water jets which hit the sandwich nonwoven at a greater distance of approximately 5-20, preferably 10, jets per inch. 6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wasserdruck beim Verbinden der aufeinander liegenden Abdeckvliese zwischen 100 bis 200, vorzugsweise 120 bis 150 bar liegt.6. The method according to any one of the preceding claims, characterized in that the water pressure when connecting the covering fleeces lying one on top of the other is between 100 and 200, preferably 120 to 150 bar. 7. Verfahren nach Anspruch 1 - 6, dadurch gekennzeichnet, dass die Abdeckvliese beidseitig zum Verfestigen vernadelt werden.7. The method according to claim 1-6, characterized in that the cover nonwovens are needled on both sides for consolidation. 8. Sandwichvlies mit einer mittleren Schicht aus endlichen, dreidimensionalen Gütern und diese beidseitig abdeckenden wasservemadelten Vliesen, dadurch gekennzeichnet, dass die Vliese mit feinen Löchern, die einen Abstand von etwa 5 bis 20, vorzugsweise 10 hpi aufweisen, versehen sind und die Vliese rund um die mittlere Schicht fest aneinander haften, während die Güter der mittleren Schicht im wesentlichen unverändert dreidimensional verblieben sind.8. Sandwich fleece with a middle layer of finite, three-dimensional goods and water-needled fleeces covering these on both sides, characterized in that the fleeces are provided with fine holes which are spaced from about 5 to 20, preferably 10 hpi, and the fleeces all around the middle layer adheres firmly to one another, while the goods of the middle layer remain essentially unchanged in three dimensions. 9. Sandwichvlies nach Anspruch 8, dadurch gekennzeichnet, dass die endlichen, dreidimensionalen Güter aus kissenähnlichen Produkten, wie Hygienegebrauchsgüter bestehen. 9. Sandwich fleece according to claim 8, characterized in that the finite, three-dimensional goods consist of pillow-like products, such as hygiene consumer goods.
EP03812181A 2002-11-29 2003-11-21 Process for hydrodynamic inclusion of a multitude of three-dimensional products of finite dimensions by water jets Expired - Lifetime EP1567702B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10256138 2002-11-29
DE10256138A DE10256138A1 (en) 2002-11-29 2002-11-29 Process for hydrodynamically enclosing a variety of finite, three-dimensional products with water jets
PCT/EP2003/050862 WO2004050977A1 (en) 2002-11-29 2003-11-21 Process for hydrodynamic inclusion of a multitude of three-dimensional products of finite dimensions by water jets

Publications (2)

Publication Number Publication Date
EP1567702A1 true EP1567702A1 (en) 2005-08-31
EP1567702B1 EP1567702B1 (en) 2007-10-17

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EP03812181A Expired - Lifetime EP1567702B1 (en) 2002-11-29 2003-11-21 Process for hydrodynamic inclusion of a multitude of three-dimensional products of finite dimensions by water jets

Country Status (11)

Country Link
US (1) US7398583B2 (en)
EP (1) EP1567702B1 (en)
JP (1) JP2006508275A (en)
CN (1) CN100564639C (en)
AT (1) ATE376088T1 (en)
BR (1) BR0316543A (en)
CA (1) CA2502203A1 (en)
DE (2) DE10256138A1 (en)
EA (1) EA007021B1 (en)
ES (1) ES2293097T3 (en)
WO (1) WO2004050977A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508308A (en) * 1962-07-06 1970-04-28 Du Pont Jet-treatment process for producing nonpatterned and line-entangled nonwoven fabrics
US4808467A (en) * 1987-09-15 1989-02-28 James River Corporation Of Virginia High strength hydroentangled nonwoven fabric
FR2645180B1 (en) * 1989-03-31 1991-10-25 Picardie Lainiere
US6314627B1 (en) * 1998-06-30 2001-11-13 Polymer Group, Inc. Hydroentangled fabric having structured surfaces
FR2781818B1 (en) * 1998-07-31 2000-09-01 Icbt Perfojet Sa PROCESS FOR THE PRODUCTION OF A COMPLEX NON-WOVEN MATERIAL AND NEW TYPE OF MATERIAL THUS OBTAINED
US6177370B1 (en) * 1998-09-29 2001-01-23 Kimberly-Clark Worldwide, Inc. Fabric
DE10008746A1 (en) * 2000-02-24 2001-08-30 Fleissner Maschf Gmbh Co Method and device for producing composite nonwovens by means of hydrodynamic needling
EP1292729B1 (en) * 2000-04-18 2004-07-14 Lohmann GmbH & Co. KG Non woven textile structure incorporating stabilized filament assemblies
DE10064687A1 (en) * 2000-12-22 2002-07-04 Fleissner Maschf Gmbh Co Process for the hydrodynamic application of a product web, also provided with finite products, with water jets and a nozzle device for producing liquid jets

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004050977A1 *

Also Published As

Publication number Publication date
ES2293097T3 (en) 2008-03-16
BR0316543A (en) 2005-10-04
US7398583B2 (en) 2008-07-15
DE10256138A1 (en) 2004-06-17
ATE376088T1 (en) 2007-11-15
DE50308432D1 (en) 2007-11-29
EA200500890A1 (en) 2005-10-27
CA2502203A1 (en) 2004-06-17
CN100564639C (en) 2009-12-02
CN1705780A (en) 2005-12-07
WO2004050977A1 (en) 2004-06-17
JP2006508275A (en) 2006-03-09
EA007021B1 (en) 2006-06-30
EP1567702B1 (en) 2007-10-17
US20060064858A1 (en) 2006-03-30

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