WO2008141598A1 - Apparatus for spunlacing, structuring, and/or perforating fleeces - Google Patents

Apparatus for spunlacing, structuring, and/or perforating fleeces Download PDF

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Publication number
WO2008141598A1
WO2008141598A1 PCT/DE2008/000659 DE2008000659W WO2008141598A1 WO 2008141598 A1 WO2008141598 A1 WO 2008141598A1 DE 2008000659 W DE2008000659 W DE 2008000659W WO 2008141598 A1 WO2008141598 A1 WO 2008141598A1
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WO
WIPO (PCT)
Prior art keywords
perforation
drum
belt
suction
guided
Prior art date
Application number
PCT/DE2008/000659
Other languages
German (de)
French (fr)
Inventor
Ullrich MÜNSTERMANN
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 WO2008141598A1 publication Critical patent/WO2008141598A1/en

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. 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
    • 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
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets

Definitions

  • the invention relates to a device for water needling, structuring and / or perforation of a nonwoven fabric or filaments formed from filaments and / or fibers according to the preamble of claim 1.
  • a device for water needling, structuring and / or perforation of a nonwoven or a web product by means of water needling devices and a drum is already known (WO 01/68966 A2), on which either a structure and / or perforation device can be applied or an endless belt as a structure - And / or perforation device is guided, which is further guided over two or more guide rollers.
  • WO 01/68966 A2 A device for water needling, structuring and / or perforation of a nonwoven or a web product by means of water needling devices and a drum is already known (WO 01/68966 A2), on which either a structure and / or perforation device can be applied or an endless belt as a structure - And / or perforation device is guided, which is further guided over two or more guide rollers.
  • the invention has the object of providing such a device in such a way that in a simple manner a conversion between a patterning drum and a perforating or Strukturierband can be done without impairing the function of the subsequent suction belt.
  • the object is achieved by the features of claim 1.
  • the device according to the invention is provided between a compacting device and a suction belt, where the coming of the compacting device fleece is transferred.
  • the entire system can be converted without great expenditure of time without having to make structural or structural changes to the system. Since the structural band between a compactor Direction and a suction belt is provided, it can be easily used either as a perforation tape or a Strukturierschale. In this way, different tasks can be fulfilled with a single system.
  • the drum is designed as a smooth perforated plate or spun lacquer drum, over which a belt guided with supporting fabric and perforating fabric is guided further over at least two, in particular, over four deflecting rollers.
  • the drum is advantageous for the drum to be provided with a structure or perforation shell, wherein either the perforation band or the structuring band can be used depending on the work insert and for this purpose can be passed around the spun lacer drum so that different tasks are fulfilled with a single apparatus can.
  • the suction belt associated with one or more suction devices wherein the perforated plate or Spunlacetrommel one or more water needling devices are assigned, which can be used optionally.
  • the drum, on which either a structure and / or perforation device can be applied or the endless belt is guided as a perforation device is assigned above or below at least one further drum as a suction drum with one or more water needling devices such that the web or the nonwoven S-arc is guided over it.
  • water bars can be saved compared to the known arrangement, since the previously used second working stage does not have to be carried out by a separately arranged perforation belt with two water treatment devices.
  • the structuring or perforation of the fleece can be carried out in a working stage with a working belt on the perforated metal drum or spunlace drum.
  • the device is advantageous for the device to be preceded by the compacting device with an endless belt and a needling belt which cooperates therewith and has a water-needling device as well as a further water-dispensing device.
  • the device for water needling, structuring and / or perforation of a fleece or a web formed from filaments and / or fibers by means of at least one water-needling device and a drum on which either a structure and / or perforation can be applied or an endless belt is performed as a perforation device, which is further guided over two or more guide rollers, wherein the device downstream of the compacting device and two adjacent or under each other, at least one water vemadelungs observed having suction drum and upstream of the suction belt on which the is deposited by the structure and / or perforation fleece.
  • a device with the following features is advantageous: a) a compacting device with an endless belt and a needle-punching belt cooperating therewith and having at least one water-needling device, b) two suction drums provided adjacent or to one another, at least one respective water-needling device, which are connected downstream of the compacting device,
  • the downstream drum for water needling, structuring and / or perforation of a web formed from filaments or a web product, which is provided between the juxtaposed or under each other provided, at least one each Wasservernadelungs observed having suction drums and the suction belt.
  • FIG. 1 shows a schematic representation of the device for water needling, structuring and / or perforation of a fleece with the aid of a water needling device, the device being provided between a compacting device and a suction belt,
  • FIG. 2 shows a variant of the device for water treatment according to FIG. 1, wherein the drum between the compacting device and the suction belt is equipped with a structural shell instead of a perforating belt
  • 3 shows a further embodiment of the device for water treatment similar to that in FIG. 1, wherein two drums arranged one above the other are provided between the compacting device and the suction belt and thereafter another drum with a peripheral perforating belt,
  • Fig. 4 shows a variant of the device for water treatment similar to in Fig. 3, wherein between the compacting device and the suction belt, the two superposed drums and then a further drum are provided with a structural shell.
  • FIG. 1 a device 1.1 for water needling, structuring and / or perforation of a web 1.2 with at least one water needling device 7, 8 is shown in FIG.
  • the device 1.1 comprises a drum 1, on which either a structure and / or perforation device or structural shell 6 (FIG. 2) or an endless belt 3 (FIG. 1) can be applied, which serves as a perforation device is formed and guided over at least two, here over three guide rollers 2.1, 2.2, 2.3.
  • the device 1.1 (marked by a clamp in FIGS. 1 to 4) is provided according to FIG. 1 between a compacting device 16 and a suction belt 21, on which the fleece coming from the structure and / or perforation device is deposited.
  • the suction belt 21 is associated with one or more suction devices 15.
  • the suction drum 10.3 are assigned one or more water needling devices 7, 8, which can be used optionally.
  • the individual filaments are fed via an unillustrated feeding device to an endless belt, in this case needling belt 16.1, of the compacting device 16, which cooperates with an endless belt 16.2.
  • the Needling belt 16.1 is associated with at least one Wasservemadelungseinrich- device 17 with suction drum, of which the web or the web 1.2 to two juxtaposed or stacked drums 1, 10.2 S-arc is guided.
  • the upper perforated metal drum 1 is guided over a perforation belt 3 and assigned to two water needling devices 7, 8.
  • the lower drum is designed as a suction drum 10.2 and also equipped with two Wasservemadelungs wornen 19, 20.
  • the Wasservemadelungs painen mentioned in the description can also be designed as Dampfvemadelungs pain.
  • an endless belt or perforation belt or according to FIG. 2 a structural shell can be used on the drum 1.
  • the spunlace drum according to FIG. 1 is driven in a clockwise direction and the fleece 1.2 is moved in the direction of the arrow 5.
  • the fleece is supported to the deflection roller 2.1 by the endless belt 3.
  • FIGS. 3 and 4 show a further exemplary embodiment of the device for water needling, structuring and / or perforation of a fleece.
  • the apparatus of FIG. 2 differs from the embodiment in Fig. 1 only in that instead of the endless belt 3 on the drum 1, a structure or perforation 9 is mounted and the web or the web 1.2 of the compacting 16 S arcuate over the drum 10.2 and the drum 1 and then passed over the guide roller 2 to the suction belt 21.
  • the two suction drums 10.2 and 10.3 are each equipped with two needling devices 7, 8 and 19, 20. Due to the advantageous arrangement of the individual rollers and drums, the device according to FIG. 1 can be converted very quickly to the device according to FIG.
  • the superimposed suction drums 10. 2, 10. 3 and the associated needling devices 17, 19, 20 are connected upstream of the device 1.1 for water needling, structuring and / or perforation.
  • the nonwoven or the web product 1.2 is guided via two deflecting rollers 22, 23, which are designed here as tensioning rollers, to the endless belt 3, which is designed here as a perforation belt.
  • the endless belt 3 is dispensed with and the structural shell 9 is mounted on the drum 10.4.
  • the guide rollers 2.1 to 2.3 remain installed in the system, but they take over after this example, no function.
  • the fleece 1.2 reaches the suction belt 21.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

Disclosed is an apparatus (1.1) for spunlacing, structuring, and/or perforating a fleece formed from filaments and/or fibers or a web material (1.2) with the help of at least one spunlacing device (17, 19) and a drum (1) to which a structuring and/or perforating jacket can be applied or on which a continuous belt (3) is guided as a structuring and/or perforating device, said continuous belt (3) being further guided across two or more deflection rolls. The apparatus (1.1) is disposed between a compacting device (16) and a suction belt (21) on which the fleece is placed when being discharged from the structuring and/or perforating device.

Description

Vorrichtung zur Wasservernadelung, Strukturierung und / oder Perforation von Vliesen Device for water needling, structuring and / or perforation of nonwovens
Die Erfindung betrifft eine Vorrichtung zur Wasservernadelung, Strukturierung und/oder Perforierung eines aus Filamenten und/ oder Fasern gebildeten Vlieses oder einer Bahnware gemäß dem Oberbegriff von Anspruch 1.The invention relates to a device for water needling, structuring and / or perforation of a nonwoven fabric or filaments formed from filaments and / or fibers according to the preamble of claim 1.
Es ist bereits eine Vorrichtung zur Wasservernadelung, Strukturierung und/oder Perforierung eines Vlieses oder einer Bahnware mit Hilfe von Wasservernadelungseinrichtungen und einer Trommel bekannt (WO 01/68966 A2), auf der entweder eine Struktur- und/oder Perforationseinrichtung aufbringbar oder ein Endlosband als Struktur- und/oder Perforationseinrichtung geführt ist, das weiter über zwei oder mehrere Umlenkwalzen geführt ist. Eine derartige Vorrichtung bzw. Anlage hat aber den Nachteil, dass bei Verwendung eines durchgehenden Endlosbandes ein Kompromiss zwischen einem idealen Strukturier- oder Perforierband und einem idealen Entwässerungsband für das nachfolgende Saugband gewählt werden muss.A device for water needling, structuring and / or perforation of a nonwoven or a web product by means of water needling devices and a drum is already known (WO 01/68966 A2), on which either a structure and / or perforation device can be applied or an endless belt as a structure - And / or perforation device is guided, which is further guided over two or more guide rollers. However, such a device or system has the disadvantage that when using a continuous endless belt a compromise between an ideal patterning or perforating and an ideal dewatering belt for the subsequent suction belt must be selected.
Der Erfindung liegt die Aufgabe zugrunde, eine derartige Vorrichtung so auszubilden, dass auf einfache Art und Weise eine Umrüstung zwischen einer Strukturiertrommel und einem Perforier- oder Strukturierband erfolgen kann, ohne die Funktion des nachfolgenden Saugbandes zu beinträchtigen.The invention has the object of providing such a device in such a way that in a simple manner a conversion between a patterning drum and a perforating or Strukturierband can be done without impairing the function of the subsequent suction belt.
Gelöst wird die Aufgabe durch die Merkmale von Anspruch 1. Die erfindungsgemäße Vorrichtung ist zwischen einer Kompaktiereinrichtung und einem Saugband vorgesehen, wohin das von der Kompaktiereinrichtung kommende Vlies übergeben wird. Durch die erfindungsgemäße Ausbildung lässt sich die Gesamtanlage ohne großen Zeitaufwand umrüsten, ohne dass an der Anlage bauliche bzw. konstruktive Veränderungen vorgenommen werden müssen. Da das Strukturband zwischen einer Kompaktierein- richtung und einem Saugband vorgesehen ist, lässt es sich einfach entweder als ein Perforationsband oder eine Strukturierschale einsetzen. Auf diese Weise können mit einer einzigen Anlage unterschiedliche Aufgabenstellungen erfüllt werden.The object is achieved by the features of claim 1. The device according to the invention is provided between a compacting device and a suction belt, where the coming of the compacting device fleece is transferred. As a result of the construction according to the invention, the entire system can be converted without great expenditure of time without having to make structural or structural changes to the system. Since the structural band between a compactor Direction and a suction belt is provided, it can be easily used either as a perforation tape or a Strukturierschale. In this way, different tasks can be fulfilled with a single system.
Es ist sogar möglich, bestehende Anlagen mit einer solchen Vorrichtung nachzurüsten, wobei je nach zur Verfügung stehendem Raum eine der beiden in den Figuren dargestellten Varianten verwendet werden kann.It is even possible to retrofit existing systems with such a device, wherein depending on the available space one of the two variants shown in the figures can be used.
Hierzu ist es vorteilhaft, dass die Trommel als glatte Lochblech- oder Spun- lacetrommel ausgebildet ist, über die ein mit Stützgewebe und Perforiergewebe geführtes Band weiter über mindestens zwei insbesondere über vier Umlenkwalzen geführt ist.For this purpose, it is advantageous that the drum is designed as a smooth perforated plate or spun lacquer drum, over which a belt guided with supporting fabric and perforating fabric is guided further over at least two, in particular, over four deflecting rollers.
Ferner ist es vorteilhaft, dass die Trommel mit einer Struktur- oder Perforationsschale versehen ist, wobei je nach Arbeitseinsatz entweder das Perforationsband oder das Strukturierband eingesetzt und hierzu, um die Spun- lacetrommel geleitet werden kann, so dass mit einer einzigen Vorrichtung unterschiedliche Aufgaben erfüllt werden können.Furthermore, it is advantageous for the drum to be provided with a structure or perforation shell, wherein either the perforation band or the structuring band can be used depending on the work insert and for this purpose can be passed around the spun lacer drum so that different tasks are fulfilled with a single apparatus can.
Nach einem zweiten Ausführungsbeispiel der Erfindung ist es vorteilhaft, dem Saugband eine oder mehrere Absaugvorrichtungen zugeordnet sind, wobei der Lochblech- oder Spunlacetrommel eine oder mehrere Wasser- vernadelungseinrichtungen zugeordnet sind, die wahlweise einsetzbar sind.According to a second embodiment of the invention, it is advantageous, the suction belt associated with one or more suction devices, wherein the perforated plate or Spunlacetrommel one or more water needling devices are assigned, which can be used optionally.
Nach einem anderen Ausführungsbeispiel ist es vorteilhaft, dass der Trommel, auf der entweder eine Struktur- und/oder Perforationseinrichtung aufbringbar oder das Endlosband als Perforationseinrichtung geführt ist, oberhalb oder unterhalb mindestens eine weitere Trommel als Saugtrommel mit einer oder mehreren Wasservernadelungseinrichtungen derart zugeordnet ist, dass die Bahnware oder das Vlies S-bogenförmig darüber geführt wird. Hierdurch können gegenüber der bekannten Anordnung Wasserbalken eingespart werden, da die bisher eingesetzte zweite Arbeitsstufe nicht von einem separat angeordneten Perforationsband mit zwei Wasservemade- lungseinrichtungen durchgeführt werden muss. Die Strukturierung oder Per- forierung des Vlieses kann in einer Arbeitsstufe mit einem Arbeitsband auf der Lochblechtrommel oder Spunlacetrommel durchgeführt werden.According to another exemplary embodiment, it is advantageous that the drum, on which either a structure and / or perforation device can be applied or the endless belt is guided as a perforation device, is assigned above or below at least one further drum as a suction drum with one or more water needling devices such that the web or the nonwoven S-arc is guided over it. As a result, water bars can be saved compared to the known arrangement, since the previously used second working stage does not have to be carried out by a separately arranged perforation belt with two water treatment devices. The structuring or perforation of the fleece can be carried out in a working stage with a working belt on the perforated metal drum or spunlace drum.
Hierzu ist es vorteilhaft, dass über die Lochblechtrommel entweder das Perforationsband oder das Strukturierband geführt ist und die Wasservernade- lungseinrichtungen ausschließlich der Lochblechtrommel zugeordnet sind.For this purpose, it is advantageous that either the perforation belt or the structuring belt is guided over the perforated metal drum and the water immersion devices are exclusively associated with the perforated metal drum.
Ferner ist es vorteilhaft, dass der Vorrichtung die Kompaktiereinrichtung mit einem Endlosband und einem mit diesem zusammenwirkenden, eine Was- servernadelungseinrichtung aufweisenden Vernadelungsband sowie eine weitere Wasservemadelungseinrichtung vorgeschaltet sind.Furthermore, it is advantageous for the device to be preceded by the compacting device with an endless belt and a needling belt which cooperates therewith and has a water-needling device as well as a further water-dispensing device.
Auch ist es von Vorteil, dass die Vorrichtung zur Wasservernadelung, Strukturierung und/oder Perforierung eines aus Filamenten und/oder Fasern gebildeten Vlieses oder einer Bahnware mit Hilfe mindestens einer Wasser- vemadelungseinrichtung und einer Trommel, auf der entweder eine Struktur- und/oder Perforationseinrichtung aufbringbar oder ein Endlosband als Perforationseinrichtung geführt ist, das weiter über zwei oder mehrere Umlenkwalzen geführt ist, wobei der Vorrichtung die Kompaktiereinrichtung und zwei neben- oder untereinander vorgesehene, zumindest je eine Wasser- vemadelungseinrichtung aufweisende Saugtrommel nachgeschaltet und dem Saugband vorgeschaltet ist, auf dem das von der Struktur- und/oder Perforationseinrichtung kommende Vlies abgelegt wird.It is also advantageous that the device for water needling, structuring and / or perforation of a fleece or a web formed from filaments and / or fibers by means of at least one water-needling device and a drum on which either a structure and / or perforation can be applied or an endless belt is performed as a perforation device, which is further guided over two or more guide rollers, wherein the device downstream of the compacting device and two adjacent or under each other, at least one water vemadelungseinrichtung having suction drum and upstream of the suction belt on which the is deposited by the structure and / or perforation fleece.
Ferner ist eine Vorrichtung mit folgenden Merkmalen vorteilhaft: a) eine Kompaktiereinrichtung mit einem Endlosband und einem mit diesem zusammenwirkenden, mindestens eine Wasservemadelungseinrichtung aufweisenden Vernadelungsband, b) zwei neben- oder untereinander vorgesehene, mindestens je eine Was- servernadelungseinrichtung aufweisende Saugtrommeln, die der Kompak- tiereinrichtung nachgeschaltet sind,Furthermore, a device with the following features is advantageous: a) a compacting device with an endless belt and a needle-punching belt cooperating therewith and having at least one water-needling device, b) two suction drums provided adjacent or to one another, at least one respective water-needling device, which are connected downstream of the compacting device,
c) eine der Saugtrommeln nachgeschaltete Trommel, auf der entweder eine Struktur- und/oder Perforationseinrichtung aufbringbar oder ein Endlosband als Perforationseinrichtung geführt ist,c) a drum arranged downstream of the suction drums, on which either a structure and / or perforation device can be applied or an endless belt is guided as a perforation device,
d) ein den Trommeln nachgeschaltes Saugband, auf dem das von der Trommel kommende Vlies abgelegt wird,d) a suction belt downstream of the drums, on which the web coming from the drum is deposited,
e) die nachgeschaltete Trommel zur Wasservernadelung, Strukturierung und/oder Perforierung eines aus Filamenten gebildeten Vlieses oder einer Bahnware, die zwischen den neben- oder untereinander vorgesehenen, zumindest je eine Wasservernadelungseinrichtung aufweisenden Saugtrommeln und dem Saugband vorgesehen ist.e) the downstream drum for water needling, structuring and / or perforation of a web formed from filaments or a web product, which is provided between the juxtaposed or under each other provided, at least one each Wasservernadelungseinrichtung having suction drums and the suction belt.
Weitere Vorteile und Einzelheiten der Erfindung sind in den Patentansprüchen und in der Beschreibung erläutert und in den Figuren dargestellt.Further advantages and details of the invention are explained in the patent claims and in the description and illustrated in the figures.
Es zeigen:Show it:
Fig. 1 eine schematische Darstellung der Vorrichtung zur Wasservernadelung, Strukturierung und/oder Perforierung eines Vlieses mit Hilfe ei- ner Wasservernadelungseinrichtung, wobei die Vorrichtung zwischen einer Kompaktiereinrichtung und einem Saugband vorgesehen ist,1 shows a schematic representation of the device for water needling, structuring and / or perforation of a fleece with the aid of a water needling device, the device being provided between a compacting device and a suction belt,
Fig. 2 eine Variante der Vorrichtung zur Wasserbehandlung gemäß in Fig. 1 , wobei die Trommel zwischen der Kompaktiereinrichtung und dem Saugband mit einer Strukturschale statt einem Perforierband bestückt ist, Fig. 3 ein weiteres Ausführungsbeispiel der Vorrichtung zur Wasserbehandlung ähnlich wie in Fig. 1 , wobei zwischen der Kompaktiereinrichtung und dem Saugband zwei übereinander angeordnete Trommeln und danach eine weitere Trommel mit einem umlaufenden Perforierband vorgesehen sind,2 shows a variant of the device for water treatment according to FIG. 1, wherein the drum between the compacting device and the suction belt is equipped with a structural shell instead of a perforating belt, 3 shows a further embodiment of the device for water treatment similar to that in FIG. 1, wherein two drums arranged one above the other are provided between the compacting device and the suction belt and thereafter another drum with a peripheral perforating belt,
Fig. 4 eine Variante der Vorrichtung zur Wasserbehandlung ähnlich wie in Fig. 3, wobei zwischen der Kompaktiereinrichtung und dem Saugband die beiden übereinander angeordneten Trommeln und danach eine weitere Trommel mit einer Strukturschale vorgesehen sind.Fig. 4 shows a variant of the device for water treatment similar to in Fig. 3, wherein between the compacting device and the suction belt, the two superposed drums and then a further drum are provided with a structural shell.
In der Zeichnung ist in Fig. 1 eine Vorrichtung 1.1 zur Wasservernadelung, Strukturierung und/oder Perforierung einer Bahnware 1.2 mit mindestens einer Wasservernadelungseinrichtung 7, 8 dargestellt.In the drawing, a device 1.1 for water needling, structuring and / or perforation of a web 1.2 with at least one water needling device 7, 8 is shown in FIG.
Wie aus dem ersten Ausführungsbeispiel hervorgeht, gehört zu der Vorrichtung 1.1 eine Trommel 1 , auf der entweder eine Struktur- und/oder Perforationseinrichtung bzw. Strukturschale 6 (Fig. 2) oder ein Endlosband 3 (Fig. 1) aufbringbar ist, das als Perforationseinrichtung ausgebildet und über mindestens zwei, hier über drei Umlenkwalzen 2.1 , 2.2, 2,3 geführt ist.As can be seen from the first embodiment, the device 1.1 comprises a drum 1, on which either a structure and / or perforation device or structural shell 6 (FIG. 2) or an endless belt 3 (FIG. 1) can be applied, which serves as a perforation device is formed and guided over at least two, here over three guide rollers 2.1, 2.2, 2.3.
Die Vorrichtung 1.1 (in Fig. 1 bis 4 durch eine Klammer gekennzeichnet) ist gemäß Fig. 1 zwischen einer Kompaktiereinrichtung 16 und einem Saugband 21 vorgesehen, auf dem das von der Struktur- und/oder Perforations- einrichtung kommende Vlies abgelegt wird. Dem Saugband 21 sind eine oder mehrere Absaugvorrichtungen 15 zugeordnet. Der Saugtrommel 10.3 sind eine oder mehrere Wasservernadelungseinrichtungen 7, 8 zugeordnet, die wahlweise einsetzbar sind.The device 1.1 (marked by a clamp in FIGS. 1 to 4) is provided according to FIG. 1 between a compacting device 16 and a suction belt 21, on which the fleece coming from the structure and / or perforation device is deposited. The suction belt 21 is associated with one or more suction devices 15. The suction drum 10.3 are assigned one or more water needling devices 7, 8, which can be used optionally.
Die einzelnen Filamente werden über eine nicht dargestellte Zuführvorrichtung auf ein Endlosband, hier Vernadelungsband 16.1 , der Kompaktiereinrichtung 16 gegeben, das mit einem Endlosband 16.2 zusammenwirkt. Dem Vernadelungsband 16.1 ist mindestens eine Wasservemadelungseinrich- tung 17 mit Saugtrommel zugeordnet, von der das Vlies oder die Bahnware 1.2 zu zwei neben- oder übereinander angeordneten Trommeln 1 , 10.2 S- bogenförmig geführt wird. Die obere Lochblechtrommel 1 ist über ein Perfo- rationsband 3 geführt und zwei Wasservernadelungseinrichtungen 7, 8 zugeordnet. Die untere Trommel ist als Saugtrommel 10.2 ausgebildet und ebenfalls mit zwei Wasservemadelungseinrichtungen 19, 20 ausgestattet.The individual filaments are fed via an unillustrated feeding device to an endless belt, in this case needling belt 16.1, of the compacting device 16, which cooperates with an endless belt 16.2. the Needling belt 16.1 is associated with at least one Wasservemadelungseinrich- device 17 with suction drum, of which the web or the web 1.2 to two juxtaposed or stacked drums 1, 10.2 S-arc is guided. The upper perforated metal drum 1 is guided over a perforation belt 3 and assigned to two water needling devices 7, 8. The lower drum is designed as a suction drum 10.2 and also equipped with two Wasservemadelungseinrichtungen 19, 20.
Die in der Beschreibung erwähnten Wasservemadelungseinrichtungen können auch als Dampfvemadelungseinrichtung ausgebildet sein.The Wasservemadelungseinrichtungen mentioned in the description can also be designed as Dampfvemadelungseinrichtung.
In Figur 1 ist lediglich eine einfache Bearbeitung des Vlieses 1.2 dargestellt. Zu dieser Verarbeitungsstufe gehört die glatte Lochblechtrommel oder Spunlacetrommel 1 mit einem in der Zeichnung nicht dargestellten Stütz- gewebe und Perforiergewebe, das vorzugsweise aus Metall hergestellt sein kann und das fest auf die Trommel aufgezogen ist. Das Endlosband 3, das als Perforationsband ausgebildet ist, wird über die Spunlacetrommel 1 und die Umlenkwalzen 2.1 bis 2.3 geführt. Die Umlenkwalze 2 wird bei der Verwendung eines Endlosbandes 3 nicht benötigt.In Figure 1, only a simple processing of the web 1.2 is shown. To this processing stage belongs the smooth perforated metal drum or Spunlazetrommel 1 with a support fabric and perforation fabric, not shown in the drawing, which may preferably be made of metal and which is firmly mounted on the drum. The endless belt 3, which is formed as a perforation, is guided over the Spunlacetrommel 1 and the guide rollers 2.1 to 2.3. The guide roller 2 is not required when using an endless belt 3.
Je nach Aufgabenstellung kann gemäß Fig. 1 ein Endlosband bzw. Perforationsband oder gemäß Fig. 2 eine Strukturschale auf die Trommel 1 eingesetzt werden.Depending on the task, according to FIG. 1 an endless belt or perforation belt or according to FIG. 2 a structural shell can be used on the drum 1.
Die Spunlacetrommel gemäß Fig. 1 wird rechtsdrehend angetrieben und das Vlies 1.2 in Pfeilrichtung 5 bewegt. Hierbei wird das Vlies bis zur Umlenkwalze 2.1 durch das Endlosband 3 unterstützt.The spunlace drum according to FIG. 1 is driven in a clockwise direction and the fleece 1.2 is moved in the direction of the arrow 5. Here, the fleece is supported to the deflection roller 2.1 by the endless belt 3.
In den Figuren 3 und 4 ist ein weiteres Ausführungsbeispiel der Vorrichtung zur Wasservemadelung, Strukturierung und/oder Perforierung eines Vlieses dargestellt. Die Vorrichtung gemäß Fig. 2 unterscheidet sich gegenüber dem Ausführungsbeispiel in Fig. 1 lediglich dadurch, dass anstelle des Endlosbandes 3 auf der Trommel 1 eine Struktur- oder Perforationsschale 9 aufgezogen ist und das Vlies oder die Bahnware 1.2 von der Kompaktiereinrichtung 16 S- bogenförmig über die Trommel 10.2 und die Trommel 1 und anschließend über die Umlenkwalze 2 zum Saugband 21 geleitet wird. Die beiden Saugtrommeln 10.2 und 10.3 sind mit je zwei Vernadelungseinrichtungen 7, 8 und 19, 20 ausgestattet. Durch die vorteilhafte Anordnung der einzelnen Walzen und Trommeln kann die Vorrichtung gemäß Fig. 1 sehr schnell zu der Vorrichtung gemäß Fig. 2 umgerüstet werden.FIGS. 3 and 4 show a further exemplary embodiment of the device for water needling, structuring and / or perforation of a fleece. The apparatus of FIG. 2 differs from the embodiment in Fig. 1 only in that instead of the endless belt 3 on the drum 1, a structure or perforation 9 is mounted and the web or the web 1.2 of the compacting 16 S arcuate over the drum 10.2 and the drum 1 and then passed over the guide roller 2 to the suction belt 21. The two suction drums 10.2 and 10.3 are each equipped with two needling devices 7, 8 and 19, 20. Due to the advantageous arrangement of the individual rollers and drums, the device according to FIG. 1 can be converted very quickly to the device according to FIG.
Im Ausführungsbeispiel gemäß Fig. 3 und 4 sind die übereinander liegenden Saugtrommeln 10.2, 10,3 und die zugehörigen Vernadelungseinrichtungen 17, 19, 20 der Vorrichtung 1.1 zur Wasservernadelung, Strukturie- rung und/oder Perforierung vorgeschaltet. Gemäß Fig. 3 wird das Vlies oder die Bahnware 1.2 über zwei Umlenkwalzen 22, 23, die hier als Spannwalzen ausgebildet sind, zu dem Endlosband 3 geführt, das hier als Perforationsband ausgebildet ist.In the exemplary embodiment according to FIGS. 3 and 4, the superimposed suction drums 10. 2, 10. 3 and the associated needling devices 17, 19, 20 are connected upstream of the device 1.1 for water needling, structuring and / or perforation. According to FIG. 3, the nonwoven or the web product 1.2 is guided via two deflecting rollers 22, 23, which are designed here as tensioning rollers, to the endless belt 3, which is designed here as a perforation belt.
Gemäß Fig. 4 entfällt das Endlosband 3 und auf die Trommel 10.4 wird die Strukturschale 9 aufgezogen. Die Umlenkwalzen 2.1 bis 2.3 bleiben in der Anlage eingebaut, sie übernehmen aber nach diesem Beispiel keine Funktion.According to FIG. 4, the endless belt 3 is dispensed with and the structural shell 9 is mounted on the drum 10.4. The guide rollers 2.1 to 2.3 remain installed in the system, but they take over after this example, no function.
Von der Vorrichtung 1.1 gelangt das Vlies 1.2 auf das Saugband 21. From the device 1.1, the fleece 1.2 reaches the suction belt 21.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Lochblechtrommel, Spunlacetrommel1 perforated metal drum, spunlace drum
1.1 Vorrichtung zur Wasservernadelung, Strukturierung und/oder Perfo- rierung eines aus Filamenten gebildeten Vlieses,1.1 Apparatus for water needling, structuring and / or perforation of a fleece formed from filaments,
1.2 Vlies, Bahnware1.2 nonwoven, web goods
2 Umlenkwalze2 deflecting roller
2.1 Umlenkwalze, Steuerwalze2.1 Guide roller, control roller
2.2 Umlenkwalze, Spannwalze 2.3 Umlenkwalze2.2 Guide roller, tension roller 2.3 Guide roller
3 Endlosband, Perforationsband, Strukturierband, Struktureinrichtung3 endless belt, perforation belt, structuring belt, structural device
4 Pfeilrichtung4 arrow direction
5 Pfeilrichtung5 arrow direction
6 Struktur- oder Perforationsschale, Struktur- / Perforationseinrichtung 7 vierte Wasservemadelungseinrichtung6 structure or perforation shell, structure / perforation 7 fourth water needling device
8 fünfte Wasservemadelungseinrichtung8 fifth watering needling device
9 Struktur- oder Perforationsschale, Struktur- / Perforationseinrichtung9 structure or perforation shell, structure / perforation device
10.1 Saugtrommel10.1 Suction drum
10.2 Saugtrommel 10.3 Saugtrommel10.2 Suction drum 10.3 Suction drum
10.4 Saugtrommel10.4 suction drum
15 Absaugvorrichtung15 suction device
16 Kompaktiereinrichtung 16.1 Vernadelungsband 16.2 Endlosband16 compacting device 16.1 needling belt 16.2 endless belt
17 erste Wasservemadelungseinrichtung17 first watering device
19 zweite Wasservemadelungseinrichtung19 second watering device
20 dritte Wasservemadelungseinrichtung20 third watering device
21 Saugband 22 Umlenkwalze21 suction belt 22 deflection roller
23 Umlenkwalze 23 deflecting roller

Claims

Patentansprüche claims
1. Vorrichtung zur Wasservemadelung, Strukturierung und/oder Perforierung eines aus Filamenten und / oder Fasern gebildeten Vlieses oder einer Bahnware (1.2)1. An apparatus for water needling, structuring and / or perforation of a nonwoven fabric or web material formed from filaments and / or fibers (1.2)
- mit Hilfe mindestens einer Wasservernadelungseinrichtung (7, 8) und einer Trommel (1), - wobei auf der Trommel (1) entweder eine Struktur- und / oder Perforationsschale (6) aufbringbar- With the help of at least one water needling device (7, 8) and a drum (1), - wherein on the drum (1) either a structural and / or perforation shell (6) can be applied
- oder um die Trommel (1) ein Endlosband (3) als Struktur- und/oder Perforationseinrichtung geführt ist, das weiter über zwei oder mehrere Umlenkwalzen (2.1 , 2.2, 2.3) geführt ist, - wobei die vorgenannte Vorrichtung (1.1) zwischen einer Kompaktie- reinrichtung (16) und einem Saugband (21) vorgesehen ist, auf dem das von der Struktur- und/oder Perforationseinrichtung kommende Vlies abgelegt wird.- Or around the drum (1) an endless belt (3) is guided as a structure and / or perforation, which is further guided over two or more guide rollers (2.1, 2.2, 2.3), - wherein the aforementioned device (1.1) between a Compacting device (16) and a suction belt (21) is provided, on which the fleece coming from the structure and / or perforation is deposited.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Trommel (1) als glatte Lochblech- oder Spunlacetrommel ausgebildet ist, über die ein mit Stützgewebe und Perforiergewebe geführtes Band (3) weiter über mindestens zwei insbesondere über drei Umlenkwalzen (2.1 , 2.2, 2.3) geführt ist.2. Apparatus according to claim 1, characterized in that the drum (1) is designed as a smooth perforated plate or Spunlacetrommel over which a guided with support fabric and perforating belt (3) further over at least two, in particular three guide rollers (2.1, 2.2, 2.3) is guided.
3. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Trommel (1) mit einer Struktur- oder Perforationsschale (6) versehen ist. 3. Apparatus according to claim 1, characterized in that the drum (1) is provided with a structure or perforation shell (6).
4. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass dem Saugband (21) eine oder mehrere Absaugvorrichtungen (15) zugeordnet sind, wobei der Lochblech- oder Spunlacetrommel (1) eine oder mehrere Wasservemadelungseinrichtungen (7, 8) zugeordnet sind, die wahlweise einsetzbar sind.4. The device according to claim 1, characterized in that the suction belt (21) are associated with one or more suction devices (15), wherein the perforated plate or Spunlacetrommel (1) one or more Wasservemadelungseinrichtungen (7, 8) are assigned, which can be used selectively are.
5. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Trommel (1), auf der entweder eine Struktur- und/oder Perforations- einrichtung aufbringbar oder das Endlosband (3) als Perforationseinrichtung geführt ist, oberhalb oder unterhalb eine weitere Trommel als Saugtrommel (10.2) mit einer oder mehreren Wasservemadelungseinrichtungen (19, 20) derart zugeordnet ist, dass die Bahnware oder das Vlies (1.2) S-bogenförmig darüber geführt wird.5. Apparatus according to claim 1, characterized in that the drum (1) on which either a structure and / or perforation device can be applied or the endless belt (3) is guided as a perforation, above or below another drum as a suction drum ( 10.2) is associated with one or more Wasservemadelungseinrichtungen (19, 20) such that the web or the web (1.2) S-arc is guided over it.
6. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass über die Lochblechtrommel (1) entweder das Perforationsband oder das Strukturierband (3) geführt ist und die Wasservemadelungseinrichtungen (7, 8) ausschließlich der Lochblechtrommel (1) zugeordnet sind.6. Apparatus according to claim 1 or 2, characterized in that on the perforated metal drum (1) either the perforation belt or the structuring belt (3) is guided and the Wasservemadelungseinrichtungen (7, 8) are associated exclusively with the perforated metal drum (1).
7. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Vorrichtung (1.1) zur Wasservemadelung, Strukturierung und/oder Perforierung eines aus Filamenten und / oder Fasern gebildeten Vlie- ses oder einer Bahnware (1.2) mit Hilfe mindestens einer Wasser- vernadelungseinrichtung (7, 8, 19, 20) und einer Struktur- und/oder Perforationseinrichtung (1 , 6, 9) eine Kompaktiereinrichtung (16) mit einem Endlosband (16.2) und einem mit diesem zusammenwirkenden, eine Wasservernadelungseinrichtung (17) aufweisenden Verna- delungsband (16.1) sowie eine weitere Wasservernadelungseinrichtung (19, 20) vorgeschaltet ist. 7. Apparatus according to claim 1, characterized in that the apparatus (1.1) for water needling, structuring and / or perforation of a web or filaments (1.2) formed from filaments and / or fibers by means of at least one water needling device (7 , 8, 19, 20) and a structure and / or perforation device (1, 6, 9) a compacting device (16) with an endless belt (16.2) and a cooperating therewith, a water needling device (17) having Vernadelungsband (16.1 ) and a further water needling device (19, 20) is connected upstream.
8. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Vorrichtung (1.1) zur Wasservemadelung, Strukturierung und/oder Perforierung eines aus Filamenten und / oder Fasern gebildeten Vlieses oder einer Bahnware (1.2) mit Hilfe mindestens einer Was- servernadelungseinrichtung (17, 19) und einer Trommel (1), auf der entweder eine Struktur- und/oder Perforationseinrichtung aufbringbar oder ein Endlosband (3) als Perforationseinrichtung geführt ist, das weiter über zwei oder mehrere Umlenkwalzen geführt ist eine Kom- paktiereinrichtung (16) und zwei neben- oder untereinander vorgese- hene, zumindest je eine Wasservernadelungseinrichtung (7, 8, 19,8. The device according to claim 1, characterized in that the device (1.1) for Wasservemadelung, structuring and / or perforation of a non-woven fabric or filaments (1.2) formed from filaments and / or fibers with the aid of at least one water-servernadelungseinrichtung (17, 19 ) and a drum (1) on which either a structure and / or perforation device can be applied or an endless belt (3) is guided as a perforation device, which is further guided over two or more deflection rollers, a compacting device (16) and two adjacent or one below the other, at least one water needling device (7, 8, 19,
20) aufweisende Saugtrommeln (10.2, 10.3) nachgeschaltet und dem Saugband (21) vorgeschaltet sind, auf dem das von der Struktur- und/oder Perforationseinrichtung kommende Vlies abgelegt wird.20) having suction drums (10.2, 10.3) downstream and upstream of the suction belt (21) on which the fleece coming from the structure and / or perforation device is deposited.
9. Vorrichtung nach Anspruch 1 mit folgenden Merkmalen:9. Device according to claim 1 with the following features:
a) eine Kompaktiereinrichtung (16) mit einem Endlosband (16.2) und einem mit diesem zusammenwirkenden, mindestens eine Wasser- vemadelungseinrichtung (17) aufweisenden Vernadelungsbanda) a compacting device (16) with an endless belt (16.2) and a Vernadelungsband having cooperating therewith, at least one water-vemadelungseinrichtung (17)
(16.1),(16.1)
b) zwei neben- oder untereinander vorgesehene, mindestens je eine Wasservernadelungseinrichtung (7, 8, 19, 20) aufweisende Saugtrommelnn (10.2, 10.3), die der Kompaktiereinrichtung (16) nachgeschaltet sind,b) two suction drums (10.2, 10.3) provided adjacent or to one another, at least one respective water needling device (7, 8, 19, 20), which are connected downstream of the compacting device (16),
c) eine den beiden Saugtrommeln (10.2, 10.3) nachgeschaltete Trommel (1 , 10.4), auf der entweder eine Struktur- und/oder Perfora- tionseinrichtung (6, 9) aufbringbar oder ein Endlosband (3) als Perforationseinrichtung geführt ist, d) ein den Trommeln (1 oder 10.4) nachgeschaltes Saugband (21), auf dem das von der Trommel (1 oder 10.4) kommende Vlies abgelegt wird,c) a drum (1, 10.4) connected downstream of the two suction drums (10.2, 10.3), on which either a structure and / or perforation device (6, 9) can be applied or an endless belt (3) is guided as a perforation device, d) a suction belt (21) connected downstream of the drums (1 or 10.4) and on which the fleece coming from the drum (1 or 10.4) is deposited,
e) die nachgeschaltete Trommel (1 oder 10.4) zur Wasservemade- lung, Strukturierung und/oder Perforierung eines aus Filamenten gebildeten Vlieses oder einer Bahnware (1.2), die zwischen den neben- oder untereinander vorgesehenen, zumindest je eine Wasservema- delungseinrichtung (7, 8, 19, 20) aufweisenden Saugtrommeln (10.2, e) the downstream drum (1 or 10.4) for water supply, structuring and / or perforation of a fleece or web (1.2) formed from filaments, which between the juxtaposed or underneath provided, at least one water cutting device (7, 8, 19, 20) having suction drums (10.2,
10.3) und dem Saugband (21) vorgesehen ist. 10.3) and the suction belt (21) is provided.
PCT/DE2008/000659 2007-05-18 2008-04-15 Apparatus for spunlacing, structuring, and/or perforating fleeces WO2008141598A1 (en)

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US8535483B2 (en) 2010-06-21 2013-09-17 The Procter & Gamble Company Apparatus for uniquely perforating a web material
US8757058B2 (en) 2010-06-21 2014-06-24 The Procter & Gamble Company Process for perforating a web
US8763523B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Method of perforating a web material
US8763526B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Apparatus for perforating a web material
US9259848B2 (en) 2010-06-21 2016-02-16 The Procter & Gamble Company Method for providing a web with unique lines of weakness
CN112368436A (en) * 2018-08-13 2021-02-12 特吕茨施勒有限及两合公司 Device for reinforcing and/or structuring a nonwoven and structured casing
CN114672930A (en) * 2022-02-11 2022-06-28 杭州优纺新材料有限公司 Spunlace nonwoven fabric production line
CN114672930B (en) * 2022-02-11 2024-02-23 杭州优纺新材料有限公司 Water thorn non-woven fabrics production line

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