EP1424425A1 - Process of making geotextiles from spunbonded filaments - Google Patents

Process of making geotextiles from spunbonded filaments Download PDF

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Publication number
EP1424425A1
EP1424425A1 EP02026435A EP02026435A EP1424425A1 EP 1424425 A1 EP1424425 A1 EP 1424425A1 EP 02026435 A EP02026435 A EP 02026435A EP 02026435 A EP02026435 A EP 02026435A EP 1424425 A1 EP1424425 A1 EP 1424425A1
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EP
European Patent Office
Prior art keywords
belt
filaments
consolidation
melt
geotextiles
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.)
Withdrawn
Application number
EP02026435A
Other languages
German (de)
French (fr)
Inventor
Uwe Bornmann
Albert Mittermayr
Alois Punkenhofer
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.)
Polyfelt GmbH
Original Assignee
Polyfelt 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 Polyfelt GmbH filed Critical Polyfelt GmbH
Priority to EP02026435A priority Critical patent/EP1424425A1/en
Priority to ZA200504985A priority patent/ZA200504985B/en
Priority to PCT/EP2003/013310 priority patent/WO2004048667A1/en
Priority to CNB200380104395XA priority patent/CN100465366C/en
Priority to AU2003289897A priority patent/AU2003289897B2/en
Priority to KR1020057009321A priority patent/KR20050084689A/en
Priority to BR0316678-3A priority patent/BR0316678A/en
Priority to TR2005/01977T priority patent/TR200501977T2/en
Priority to US10/533,881 priority patent/US20060150377A1/en
Priority to JP2004554490A priority patent/JP4518953B2/en
Priority to RU2005120021/12A priority patent/RU2298599C2/en
Priority to CA002507605A priority patent/CA2507605A1/en
Priority to EP03782231A priority patent/EP1565604A1/en
Publication of EP1424425A1 publication Critical patent/EP1424425A1/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • 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

Definitions

  • the invention relates to a method for producing geotextiles melt-spun fibers, the melt-spun continuous fibers on a sieve belt continuously and trouble-free over all consolidation and After-treatment zones are transported.
  • DE 196 27 256 describes a process for the hydromechanical interlacing of fibers of a fiber web, in which multiple needling takes place with reciprocal web guidance and the transfer from one to the other transport device takes place by constant and stretch-free support of the fiber web.
  • the fibrous web is supported during the transport from one support surface to the other by a continuous endless web.
  • EP 0 859 076 describes a device for hydrodynamic Gobbling fibers of a fibrous web is known, being stronger Solidification in the first needling unit and the fiber web transporting endless belt an oppositely guided endless belt is assigned, and the fiber web in the between the endless belts emerging conical gap is increasingly compressed.
  • the first disturbances in the fiber web already occur after the The fibers are deposited during transport to the first consolidation zone.
  • the object of the invention was to provide a method for storing and subsequent hydrodynamic entanglement of the fibers, which also a disruption of the fiber web immediately after the fibers have been deposited before the first solidification zone is avoided.
  • the invention therefore relates to a method for producing Geotextiles from melt-spun filaments through hydrodynamic Devouring, characterized in that the melt-spun Filaments are placed on an endless screen belt on this Sieve belt are transported through the first consolidation stage, the Filaments additionally through suction zones during the entire process fixed to the sieve belt and thus already in the first consolidation stage is sufficiently solidified that a trouble-free transport without Conveyor belt is possible.
  • the melt-spun filaments are thus initially in the usual way the endless sieve belt and on this sieve belt to the first Solidification stage transported.
  • the deposited filaments are thereby fixed during the transport on the belt by suction zones so that No disturbances can occur when transporting the unconsolidated filaments.
  • the air speed of the intake air is 1-15 m / s.
  • the water jets act through the sieve belt and / or the sieve belt serves as a base.
  • the screen belt has a mesh size of 1-8 cm -1 , preferably 2-5 cm -1 .
  • the screen belt is used as a base, has the screen belt has a mesh width of 10-100 cm -1, preferably 20 - 60 cm -1.
  • the geotextile After hardening in the first hardening stage, the geotextile is sufficiently hardened so that it can be guided without disturbing the structure, even without the support of a conveyor belt. If necessary, the sieve belt can also be passed through any further consolidation stages.
  • the geotextiles produced in this way are characterized by large Homogeneity and uniformity.
  • melt-spinnable raw materials can be considered as filaments, for example polyolefins, such as polypropylene, polyamides or polyesters.
  • Another object of the invention is a device for the production of Geotextiles made from melt-spun filaments, characterized in that that a sieve belt is guided under the storage device to the suction zones are created and the sieve belt is guided to the first consolidation device becomes.

Abstract

Melt-spun filaments are deposited onto an endless sieve belt, on which they are transported thorough the first stage of consolidation. During the entire process, the filaments are additionally fixed onto the band by suction zones. The filaments become so consolidated together, that trouble-free transport without a conveying belt is enabled. An Independent claim is included for the geotextile made as described.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung von Geotextilien aus schmelzgesponnenen Fasern, wobei die schmelzgesponnenen Endlosfasern auf einem Siebband kontinuierlich und störungsfrei über alle Verfestigungs- und Nachbehandlungszonen transportiert werden.The invention relates to a method for producing geotextiles melt-spun fibers, the melt-spun continuous fibers on a sieve belt continuously and trouble-free over all consolidation and After-treatment zones are transported.

Aus der DE 196 27 256 ist ein Verfahren zum hydromechanischen Verschlingen von Fasern einer Faserbahn beschrieben, bei dem eine mehrfache Vernadelung bei wechselseitiger Warenbahnführung erfolgt und die Übergabe von einer zur anderen Transportvorrichtung durch ständige und dehnungsfreie Unterstützung der Faserbahn erfolgt.
Dazu wird die Faserbahn während des Transports von einer Auflagefläche zur anderen durch ein mitlaufendes Endlosbahn unterstützt.DE 196 27 256 describes a process for the hydromechanical interlacing of fibers of a fiber web, in which multiple needling takes place with reciprocal web guidance and the transfer from one to the other transport device takes place by constant and stretch-free support of the fiber web.
For this purpose, the fibrous web is supported during the transport from one support surface to the other by a continuous endless web.

Aus der EP 0 859 076 ist eine Vorrichtung zum hydrodynamischen Verschlingen von Fasern einer Faserbahn bekannt, wobei zur stärkeren Verfestigung in der ersten Vernadelungseinheit ein dem die Faserbahn transportierenden Endlosband ein gegenläufig geführtes Endlosband zugeordnet ist, und die Faserbahn in dem zwischen den Endlosbändern entstehenden konischen Spalt zunehmend verdichtet wird.EP 0 859 076 describes a device for hydrodynamic Gobbling fibers of a fibrous web is known, being stronger Solidification in the first needling unit and the fiber web transporting endless belt an oppositely guided endless belt is assigned, and the fiber web in the between the endless belts emerging conical gap is increasingly compressed.

Beide Verfahren sollen Störungen in der noch nicht ausreichend verfestigten Faserbahn vermieden werden.Both methods are said to have not yet sufficiently solidified disruptions Fiber web can be avoided.

Allerdings treten die ersten Störungen in der Faserbahn bereits nach der Ablage der Fasern beim Transport zur ersten Verfestigungszone auf.However, the first disturbances in the fiber web already occur after the The fibers are deposited during transport to the first consolidation zone.

Aufgabe der Erfindung war die Bereitstellung eines Verfahrens zur Ablage und anschließenden hydrodynamischen Verschlingung der Fasern, bei dem auch eine Störung der Faserbahn unmittelbar nach der Ablage der Fasern vor der ersten Verfestigungszone vermieden wird. The object of the invention was to provide a method for storing and subsequent hydrodynamic entanglement of the fibers, which also a disruption of the fiber web immediately after the fibers have been deposited before the first solidification zone is avoided.

Gegenstand der Erfindung ist daher ein Verfahren zur Herstellung von Geotextilien aus schmelzgesponnenen Filamenten durch hydrodynamische Verschlingung, dadurch gekennzeichnet, dass die schmelzgesponnen Filamente auf einem endlosen Siebband abgelegt werden, auf diesem Siebband durch die erste Verfestigungsstufe transportiert werden, wobei die Filamente zusätzlich während des gesamten Vorgangs durch Saugzonen auf dem Siebband fixiert werden und so bereits in der ersten Verfestigungsstufe ausreichend verfestigt wird, dass ein störungsfreier Transport ohne Transportband möglich ist.The invention therefore relates to a method for producing Geotextiles from melt-spun filaments through hydrodynamic Devouring, characterized in that the melt-spun Filaments are placed on an endless screen belt on this Sieve belt are transported through the first consolidation stage, the Filaments additionally through suction zones during the entire process fixed to the sieve belt and thus already in the first consolidation stage is sufficiently solidified that a trouble-free transport without Conveyor belt is possible.

Die schmelzgesponnenen Filamente werden also vorerst auf übliche Weise auf dem endlosen Siebband abgelegt und auf diesem Siebband zur ersten Verfestigungsstufe transportiert. Die abgelegten Filamente werden dabei während des Transports auf dem Siebband durch Saugzonen fixiert, sodass keine Störungen beim Transport der unverfestigten Filamente auftreten können. Die Luftgeschwindigkeit der angesaugten Luft beträgt dabei 1-15 m/s.The melt-spun filaments are thus initially in the usual way the endless sieve belt and on this sieve belt to the first Solidification stage transported. The deposited filaments are thereby fixed during the transport on the belt by suction zones so that No disturbances can occur when transporting the unconsolidated filaments. The air speed of the intake air is 1-15 m / s.

In der ersten Verfestigungsstufe wirken die Wasserstrahlen je nach Anordnung der Verfestigungseinrichtung durch das Siebband und/oder das Siebband dient als Unterlage.
Für die Ausführungsvariante der Verfestigung durch das Siebband, weist das Siebband eine Maschenweite von 1 - 8 cm -1 , vorzugsweise 2 - 5 cm-1 auf.
Dient das Siebband als Unterlage, weist das Siebband eine Maschenweite von 10-100 cm -1 , vorzugsweise 20 - 60 cm-1 auf.In the first consolidation stage, depending on the arrangement of the consolidation device, the water jets act through the sieve belt and / or the sieve belt serves as a base.
For the embodiment variant of the consolidation by the screen belt, the screen belt has a mesh size of 1-8 cm -1 , preferably 2-5 cm -1 .
The screen belt is used as a base, has the screen belt has a mesh width of 10-100 cm -1, preferably 20 - 60 cm -1.

Nach der Verfestigung in der ersten Verfestigungsstufe ist das Geotextil ausreichend verfestigt, sodass es ohne Störungen der Struktur auch ohne Unterstützung eines Transportbandes geführt werden kann.
Gegebenenfalls kann das Siebband aber auch durch etwaige weitere Verfestigungsstufen geführt werden. After hardening in the first hardening stage, the geotextile is sufficiently hardened so that it can be guided without disturbing the structure, even without the support of a conveyor belt.
If necessary, the sieve belt can also be passed through any further consolidation stages.

Auf dem Siebband findet also sowohl die Vliesbildung als auch die Verfestigung statt.Both the fleece formation and the consolidation take place on the sieve belt instead of.

Durch dieses Verfahren ist es mögliche jede Störung in der Struktur des noch unverfestigten Geotextils nach der Ablage zu vermeiden.
Es können daher aufwendige Verfahrensführungen wie beispielsweise eine wechselseitige Führung vermieden werden.With this method it is possible to avoid any disturbance in the structure of the still unconsolidated geotextile after it has been deposited.
Complex procedures, such as mutual guidance, can therefore be avoided.

Die auf diese Weise hergestellten Geotextilien zeichnen sich durch große Homogenität und Gleichmäßigkeit aus.The geotextiles produced in this way are characterized by large Homogeneity and uniformity.

Als Filamente kommen alle schmelzspinnbaren Rohstoffe in Frage, beispielsweise Polyolefine, wie Polypropylen, Polyamide oder Polyester.All melt-spinnable raw materials can be considered as filaments, for example polyolefins, such as polypropylene, polyamides or polyesters.

Ein weiterer Gegenstand der Erfindung ist eine Vorrichtung zur Herstellung von Geotextilien aus schmelzgesponnenen Filamenten, dadurch gekennzeichnet, dass unter der Ablagevorrichtung ein Siebband geführt wird, an das Saugzonen angelegt sind und das Siebband bis zur ersten Verfestigungseinrichtung geführt wird.Another object of the invention is a device for the production of Geotextiles made from melt-spun filaments, characterized in that that a sieve belt is guided under the storage device to the suction zones are created and the sieve belt is guided to the first consolidation device becomes.

In Fig. 1 und Fig. 2 sind derartige Vorrichtungen dargestellt:
Darin bedeuten

  • 1 - Filamentschleier
  • 2 - unverfestigtes Vlies
  • 3 - Transportzone mit Absaugung
  • 4 - Kompaktierband
  • 5 - Wasserstrahlverfestigungseinheit
  • 6 - Absaugung
  • 7 - Spinnband
  • 8 - verfestigtes Geotextil
    • Such devices are shown in FIGS. 1 and 2:
    Mean in it
  • 1 - filament veil
  • 2 - unconsolidated fleece
  • 3 - Transport zone with suction
  • 4 - compacting belt
  • 5 - hydroentangling unit
  • 6 - suction
  • 7 - spinning belt
  • 8 - solidified geotextile

    • Claims (7)

    Verfahren zur Herstellung von Geotextilien aus schmelzgesponnenen Filamenten durch hydrodynamische Verschlingung, dadurch gekennzeichnet, dass die schmelzgesponnen Filamente auf einem endlosen Siebband abgelegt werden, auf diesem Siebband durch die erste Verfestigungsstufe transportiert werden, wobei die Filamente zusätzlich während des gesamten Vorgangs durch Saugzonen auf dem Siebband fixiert werden und so bereits in der ersten Verfestigungsstufe ausreichend verfestigt wird, dass ein störungsfreier Transport ohne Transportband möglich ist.Process for the production of geotextiles from melt-spun filaments by hydrodynamic entanglement, characterized in that the melt-spun filaments are deposited on an endless sieve belt, are transported on this sieve belt through the first consolidation stage, the filaments additionally being fixed on the sieve belt by suction zones during the entire process and is already sufficiently solidified in the first consolidation stage so that trouble-free transport without a conveyor belt is possible. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Siebband durch alle Verfestigungsstufen geführt wird.A method according to claim 1, characterized in that the screen belt is passed through all consolidation stages. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass in den Saugzonen ein Unterdruck von 1 bis 100 mbar angelegt wird.Method according to one of claims 1 or 2, characterized in that a negative pressure of 1 to 100 mbar is applied in the suction zones. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Maschenweite des Siebbandes 1 - 8 cm-1 beträgt, wenn die Verfestigung durch das Siebband hindurch erfolgt.Method according to one of claims 1 to 3, characterized in that the mesh size of the screen belt is 1-8 cm -1 when the solidification takes place through the screen belt. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Maschenweite des Siebbandes 10 - 100 cm-1 beträgt, wenn das Siebband als Unterlage dient.Method according to one of claims 1 to 3, characterized in that the mesh size of the screen belt is 10-100 cm -1 if the screen belt serves as a base. Vorrichtung zur Herstellung von Geotextilien aus schmelzgesponnenen Filamenten, dadurch gekennzeichnet, dass unter der Ablagevorrichtung ein Siebband geführt wird, an das Saugzonen angelegt sind und das Siebband bis zur ersten Verfestigungseinrichtung geführt wird. Device for the production of geotextiles from melt-spun filaments, characterized in that a sieve belt is guided under the depositing device, to which suction zones are applied and the sieve belt is guided to the first consolidation device. Geotextilien hergestellt nach einem Verfahren gemäß den Ansprüchen 1 - 4.Geotextiles produced by a process according to claims 1 - 4th
    EP02026435A 2002-11-27 2002-11-27 Process of making geotextiles from spunbonded filaments Withdrawn EP1424425A1 (en)

    Priority Applications (13)

    Application Number Priority Date Filing Date Title
    EP02026435A EP1424425A1 (en) 2002-11-27 2002-11-27 Process of making geotextiles from spunbonded filaments
    ZA200504985A ZA200504985B (en) 2002-11-27 2003-11-20 Method for the production of geotextiles from melt-spun fibers
    PCT/EP2003/013310 WO2004048667A1 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers
    CNB200380104395XA CN100465366C (en) 2002-11-27 2003-11-26 Process of making geotextiles from spunbonded filaments
    AU2003289897A AU2003289897B2 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers
    KR1020057009321A KR20050084689A (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers
    BR0316678-3A BR0316678A (en) 2002-11-27 2003-11-26 Process for the manufacture of melt-spun fiber geotextiles
    TR2005/01977T TR200501977T2 (en) 2002-11-27 2003-11-26 Method of manufacturing geotextiles from melt spun yarns
    US10/533,881 US20060150377A1 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers
    JP2004554490A JP4518953B2 (en) 2002-11-27 2003-11-26 Method for producing geotextiles from melt-spun fibers
    RU2005120021/12A RU2298599C2 (en) 2002-11-27 2003-11-26 Method for manufacture of geotextile from filaments formed of melt
    CA002507605A CA2507605A1 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers
    EP03782231A EP1565604A1 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP02026435A EP1424425A1 (en) 2002-11-27 2002-11-27 Process of making geotextiles from spunbonded filaments

    Publications (1)

    Publication Number Publication Date
    EP1424425A1 true EP1424425A1 (en) 2004-06-02

    Family

    ID=32241281

    Family Applications (2)

    Application Number Title Priority Date Filing Date
    EP02026435A Withdrawn EP1424425A1 (en) 2002-11-27 2002-11-27 Process of making geotextiles from spunbonded filaments
    EP03782231A Withdrawn EP1565604A1 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers

    Family Applications After (1)

    Application Number Title Priority Date Filing Date
    EP03782231A Withdrawn EP1565604A1 (en) 2002-11-27 2003-11-26 Method for the production of geotextiles from melt-spun fibers

    Country Status (12)

    Country Link
    US (1) US20060150377A1 (en)
    EP (2) EP1424425A1 (en)
    JP (1) JP4518953B2 (en)
    KR (1) KR20050084689A (en)
    CN (1) CN100465366C (en)
    AU (1) AU2003289897B2 (en)
    BR (1) BR0316678A (en)
    CA (1) CA2507605A1 (en)
    RU (1) RU2298599C2 (en)
    TR (1) TR200501977T2 (en)
    WO (1) WO2004048667A1 (en)
    ZA (1) ZA200504985B (en)

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    WO2008110134A1 (en) * 2007-03-09 2008-09-18 Fleissner Gmbh Device for the compaction of stable fibers or a non-woven material comprised of filaments

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    Publication number Priority date Publication date Assignee Title
    KR20180081931A (en) * 2017-01-09 2018-07-18 전북대학교산학협력단 Mass production apparatus for manufacturing filter laminating nano-fiber

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    JP2006508264A (en) 2006-03-09
    BR0316678A (en) 2005-10-11
    WO2004048667A1 (en) 2004-06-10
    US20060150377A1 (en) 2006-07-13
    RU2298599C2 (en) 2007-05-10
    JP4518953B2 (en) 2010-08-04
    AU2003289897A1 (en) 2004-06-18
    CN100465366C (en) 2009-03-04
    KR20050084689A (en) 2005-08-26
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    AU2003289897B2 (en) 2009-09-24
    CN1717515A (en) 2006-01-04

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