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WO2009112008A1 - Procédé et dispositif pour la présolidification d'un non-tissé - Google Patents

Procédé et dispositif pour la présolidification d'un non-tissé Download PDF

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Publication number
WO2009112008A1
WO2009112008A1 PCT/DE2009/000283 DE2009000283W WO2009112008A1 WO 2009112008 A1 WO2009112008 A1 WO 2009112008A1 DE 2009000283 W DE2009000283 W DE 2009000283W WO 2009112008 A1 WO2009112008 A1 WO 2009112008A1
Authority
WO
WIPO (PCT)
Prior art keywords
pile
water jet
pad
water
perforation
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.)
Ceased
Application number
PCT/DE2009/000283
Other languages
German (de)
English (en)
Inventor
Ullrich MÜNSTERMANN
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
Priority claimed from DE200810013817 external-priority patent/DE102008013817A1/de
Priority claimed from DE200820004900 external-priority patent/DE202008004900U1/de
Priority claimed from DE200810018976 external-priority patent/DE102008018976A1/de
Priority claimed from DE200810061678 external-priority patent/DE102008061678A1/de
Priority claimed from DE200810061679 external-priority patent/DE102008061679A1/de
Application filed by Fleissner GmbH filed Critical Fleissner GmbH
Publication of WO2009112008A1 publication Critical patent/WO2009112008A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • D04H3/12—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 filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
    • 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
    • D04H1/48—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 in combination with at least one other method of consolidation
    • 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
    • D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • 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
    • D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/655—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions characterised by the apparatus for applying bonding agents
    • 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
    • D04H3/08—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

Definitions

  • the invention relates to a method and a device for the preconsolidation of a nonwoven according to the preamble of the method and the device claim.
  • a pile produced by means of a carding machine or a spunbonded installation must be preconsolidated depending on the type of further processing. This is especially the case when the pile is to be treated by means of a pad with a foam or a liquid.
  • Known methods of preconsolidating a pile are based on water-jet needling, in which the pile lying on a conveyor belt is compressed under another endless belt (compacting belt) and processed through these belts by one or more water-jet recycling devices (water beam - DE 102 05 151) becomes.
  • Other possibilities of preconsolidation are calendering or thermally hot-air bonding methods. However, this requires component costs.
  • a pile consisting of finely long fibers and / or infinitely long filaments can also be driven directly, ie without preconsolidation by a padder, but in order not to destroy the pile, only very low processing speeds can be achieved.
  • a production process for a nonwoven fabric is known in which a fleece (pile) provided by a pile producer (eg carding machine) is passed through a foam pad in the form of a material web.
  • a binder is dissolved, which is introduced into the pre-fleece.
  • the binder is activated in the pre-fleece - to the material web is passed through a hot air dryer or an oven.
  • the device for water jet netting is positioned at a great distance from the pad supporting the web.
  • the distance is greater than the distance that is chosen in a water-jet solidification, in particular more than twice the value.
  • the distance is between 15 - 100 mm.
  • a pile with a basis weight of less than 100 g / m 2 is processed.
  • the processing speed is more than 100 m / min.
  • the water pressure of the waterjet needling is less than 100 bar.
  • the pile is placed on a perforation serving pad, preferably a band serving the perforation, a screen belt and subjected to water jet needling.
  • a perforation serving pad preferably a band serving the perforation, a screen belt and subjected to water jet needling.
  • a binder is introduced into the preconsolidated nonwoven by impregnating the nonwoven with a fluid containing the binder.
  • the pre-consolidated fleece is passed through a foam padder.
  • the nonwoven has, after preconsolidation, a specific tensile strength F s pez less than or equal to 0.08 [N / 50mm] / [g / m 2 ], the specific tensile strength being defined as the tensile strength in N / 50mm divided by the nonwoven weight in g / m 2 .
  • the nonwoven has a density less than or equal to 0.05 g / cm 3 after preconsolidation.
  • the preconsolidated nonwoven is further processed into a nonwoven fabric using the steps:
  • the apparatus for carrying out the method consists of a generator for a consisting of fibers and / or filaments pile, which is placed on a movable relative to a device for Wasserstrahlbeetzschung pad, and one of the means for Wasserstrahlbeaufschlagung assigned and on the opposite side of the Pile supporting pad Neten exhaustion.
  • the device for water jet needling is positioned at a great distance from the pad supporting the pile.
  • the device for water jet needling is a device for dyeing, impregnating downstream in particular in the form of a padder.
  • the pad supporting the pile is designed as a sieve band.
  • the pad supporting the pile has the perforation serving structures, body and is preferably a perforation serving band.
  • the pad supporting the web is a screen belt with perforation structures or perforation bodies located thereon.
  • the perforation bodies are made of a plastic.
  • the means for activating the binder is designed as a furnace.
  • the device for water jet needling be positioned at a large distance from the pad supporting the pile.
  • the pad supporting the pile is preferably an endlessly circulating wire.
  • the distance of the device for water jet needling to the pile-supporting pad is greater than in a conventional Wasserstrahlvemadelung, ie greater than 15mm.
  • the Distance between 25 and 100 mm - more preferably a value between 30 and 80 mm is selected.
  • the distance according to the present invention is understood to mean the free path of a water jet between the outlet of the water bar and the pad supporting the nap.
  • such a distance from the water beam to the pad supporting the web is essential so that, due to the water jets emerging at the underside of the water beam, a drag flow results, which is essentially vertical in relation to the suction located below the base and penetrates through the pile.
  • a pile with a weight per unit area of less than 100 g / m 2 is processed.
  • the water pressure of the water jet needling is less than 100 bar.
  • the height of the water pressure depends here preferably on the fiber or filament thickness, the titer.
  • a water pressure of 20 - 40 bar is set at 1.7 dtex.
  • the water pressure to be set is preferably 40-80 bar.
  • the lower pressure value shall be used for weights per unit area up to approx. 30 g / m 2
  • the upper pressure value shall apply to fiber or filament webs where the basis weight is up to 100 g / m 2 .
  • the water jet needling of the unconsolidated pile takes place on a perforated screen belt (perforation screen belt).
  • the preferably used screen belt has a mesh thickness of 25- 50 wires per cm (weft and warp wires).
  • the permeable degree of sifting is less than 20%, preferably less than 15%.
  • the perforation serving body on the Siebober configuration consist of a plastic material and preferably have a convex shape in the manner of water droplets.
  • Such a screen material with perforation bodies is known from US 5,115,544 and therefore need not be described in detail.
  • a web can be pre-consolidated and perforated simultaneously without any preconsolidation, in order to subsequently apply it preferably for further processing Foulard feed.
  • the fleece provided by a pile producer - consisting of fibers and / or filaments - is subjected to water jet application for preconsolidation.
  • the thus pre-bonded web is provided with a preferably thermally activable binder.
  • the activation of the binder is then carried out in a conventional manner by means of an oven or a dryer.
  • Too much preconsolidation creates a very closed nonwoven structure into which the binder dissolved in a foam or a liquid can not penetrate optimally. Also, after activating the binder, the properties of the nonwoven (the final Ducts) predominantly by the entanglement of the fibers, the filaments determined.
  • the properties of the nonwoven fabric are determined predominantly by binder bonding if the precursor is not sufficiently consolidated by the binder introduced and its activation. The corresponding nonwoven fabric becomes stiff.
  • a device for Wasserstrahlbeetzschung provided by means of the material web (the pile) is pre-consolidated.
  • the at least one water bar, with which the water jet is applied for preconsolidation, is positioned at a great distance from the substrate carrying the material web, in particular more than 15 mm.
  • the distance between 25 and 100 mm - preferably a value between 30 and 80 mm is selected.
  • the nonwoven fabric has a specific tensile strength F spe z of less than or equal to 0.08 [N / 50 mm] / [g / m 2 ] after the preconsolidation and before the introduction of the binder through the padder, the specific tensile strength being defined is the tensile strength in N with respect to a 50 mm wide strip divided by the web weight in g / m 2 .
  • the density of the nonwoven is preferably less than or equal to 0.05 g / cm 3 .
  • the invention is preferably embodied when the device for water jet needling is followed by a device for removing moisture from the pre-bonded nonwoven. It can be provided that the device for removing moisture the pre-consolidated web is formed as a suction.
  • the apparatus for removing moisture from the preconsolidated nonwoven fabric may be formed as a dryer or as a nip roll acting on the nonwoven.
  • the oven for activating the binder may be formed as a drying device which guides the material web of the nonwoven around one or more drums. It is also possible to guide the web through a belt furnace - the web is here preferably supported by a sieve pad.
  • the thermal energy input is made by hot air or radiant heater (infrared).
  • the nature of the binder is critical to the type of furnace to be used.
  • a pre-fleece is provided as a pile F of fibers and / or filaments by means of a pile fabricator 1 (carding machine, spin-layer) and deposited on a belt 2 designed as a sieve and circulating endlessly around rolls.
  • the still unsolidified pile F is conveyed through a solidification station, consisting of a water bar 3 with a plurality of water outlet nozzles and located on the underside of the belt 2 suction 4.
  • the solidification station 3, 4 is downstream of a further suction 5 in the conveying direction of the web V. This suction serves to remove the excess water in the fleece V.
  • the nonwoven fabric V pre-consolidated by the solidification station 3, 4 is fed to a padder having two pinch rolls 6, 7.
  • the fleece V is passed through the waist 6, 7, which are pressed against each other with pressure.
  • a foam supply which is provided by a foam supply 8 and maintained at a predetermined stock value.
  • a thermal energy (heat) activatable binder is dissolved in the foam. This binder thus enters the volume of the web V.
  • a roller 6 of the padder has an engraving, the other roller has a smooth surface. This ensures that the fleece V conveyed through the nip and impregnated with foam (the binder) remains in contact with the roller 7 and can thus be conveyed further in the intended direction to the oven 13 downstream of the foam padder 6, 7, 8. In this takes place by heat input, the activation of the binder (hardening).
  • FIG. 2 shows the arrangement of water bar 3 and suction 4 in detail.
  • the water bar 3 is set according to the invention in such a manner relative to the resting on the belt 2 Flor F, so that the distance a of the bottom to the pile top is about 15 to 80 mm. This corresponds to a distance greater than the distance when the water bar 3 is used for conventional hydroentangling.
  • the distance a at which the water beam 3 is adjusted with respect to the pile F located on the belt 2 can be defined as a ratio to the width b of the underside of the water beam 3. Accordingly, the distance a should be at least half the width b of the water bar underside.
  • the width b of the water bar 3 of the substantially parallel to the level of the belt 2 extending part of the underside of the water bar 3 is to be evaluated.
  • the embodiment of Figure 3 additionally shows a dryer 10, the water bar 3 nach- in the conveying path of the web V and the padding 6, 7, 8 upstream.
  • the dryer 10, which is indicated in principle in FIG. 3, can be a drying device operating with radiation and / or flowing air.
  • a nip roller 11 which cooperates with the nonwoven and cooperates with a counter-roller 12.
  • This roller pair 11, 12 serves to remove excess water from the nonwoven V and is downstream of the water bar 3 in the conveying path of the nonwoven V and precedes the padder 6, 7, 8.
  • FIG. 5 shows an embodiment of the invention in which the water Beam exposure of the pile F for pre-consolidation takes place on a first band 2.1.
  • the screening fineness of the band 2.1 designed as a sieve is adapted to the water jet application in an optimized way.
  • the preconsolidated nonwoven V is transferred to a second belt 2.2, which is likewise designed as a sieve.
  • the dewatering of the web V by means of the suction takes place 5. Accordingly, the screening fineness is chosen so that there is the desired degree of drainage.
  • a first band 2.1 may also be provided a water-permeable drum, which cooperates with a water bar. Inside the drum, a suction is arranged in a conventional manner. Again, the fineness of the drum surface is adapted to the pre-consolidation by means of water jets.
  • the inventive distance of the water bar to the surface of the drum corresponds to the distance Wasserbalken - band of the other embodiments.
  • the fleece is transferred to a belt and dewatered there by suction and optionally dried and / or treated by rollers.
  • FIG. 6 shows a section through a belt 2 designed as a perforated screen belt, with which in a processing step a web F can be consolidated and perforated, in order subsequently to supply it to a padder for application with a binder.
  • the preferably used screen belt has a mesh size of about 30 wires per cm (average weft and warp wires).
  • the permeability of the screen mesh is less than 15%.
  • FIG. 6 shows a detail of the surface of the perforation screen belt with the belt 2 formed as a screen and the transparent perforation bodies PK situated thereon.
  • I pile producer carding, spunbond, meltblown
  • 2 band endless belt, sieve, sieve belt, perforation screen belt

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour la présolidification d'un voile à partir de fibres et/ou de filaments, le voile étant transporté sur un support, par utilisation d'un dispositif d'aiguilletage à jet d'eau. Selon l'invention, il est prévu que le dispositif (3) d'aiguilletage au jet d'eau soit positionné à une grande distance du support (2) portant le voile. De préférence, l'aiguilletage au jet d'eau s'effectue sur une bande perforée servant à la perforation, comportant des structures de perforation ou des corps de perforation. Il est en outre prévu d'introduire un liant dans le voile tissé (V) présolidifié, et que soient fixés le liant soit activé par un four (13), de telle sorte que les entrelacements des fibres et/ou des filaments produits par l'action du jet d'eau.
PCT/DE2009/000283 2008-03-12 2009-02-26 Procédé et dispositif pour la présolidification d'un non-tissé Ceased WO2009112008A1 (fr)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
DE102008013817.7 2008-03-12
DE200810013817 DE102008013817A1 (de) 2008-03-12 2008-03-12 Verfahren und Vorrichtung zur Vorverfestigung eines Vlieses
DE202008004623.8 2008-04-04
DE202008004623U DE202008004623U1 (de) 2008-03-12 2008-04-04 Vorrichtung zur Vorverfestigung eines Vlieses
DE200820004900 DE202008004900U1 (de) 2008-04-09 2008-04-09 Vorrichtung zur Vorverfestigung eines Vlieses
DE202008004900.8 2008-04-09
DE102008018976.6 2008-04-14
DE200810018976 DE102008018976A1 (de) 2008-04-14 2008-04-14 Verfahren und Vorrichtung zur Herstellung eines Vliesstoffes
DE200810061678 DE102008061678A1 (de) 2008-12-11 2008-12-11 Verfahren und Vorrichtung zur Herstellung eines Vliesstoffes
DE200810061679 DE102008061679A1 (de) 2008-12-11 2008-12-11 Verfahren und Vorrichtung zur Vorverfestigung eines Vlieses
DE102008061679.6 2008-12-11
DE102008061678.8 2008-12-11

Publications (1)

Publication Number Publication Date
WO2009112008A1 true WO2009112008A1 (fr) 2009-09-17

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/DE2009/000283 Ceased WO2009112008A1 (fr) 2008-03-12 2009-02-26 Procédé et dispositif pour la présolidification d'un non-tissé
PCT/DE2009/000319 Ceased WO2009112015A1 (fr) 2008-03-12 2009-03-06 Procédé et dispositif de fabrication d'un non-tissé

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/DE2009/000319 Ceased WO2009112015A1 (fr) 2008-03-12 2009-03-06 Procédé et dispositif de fabrication d'un non-tissé

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WO (2) WO2009112008A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011113462A1 (fr) * 2010-03-19 2011-09-22 Carl Freudenberg Kg Chiffon de nettoyage en non-tissé et son procédé de production
CN103397474A (zh) * 2013-08-01 2013-11-20 杭州诺邦无纺股份有限公司 可冲散全降解水刺无纺布及制作方法和生产线

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011113672A1 (de) * 2011-09-20 2013-03-21 Trützschler Nonwovens Gmbh Verfahren und Vorrichtung zum Perforieren eines Vlieses mittels hydrodynamischer Vernadelung
DE102021107902A1 (de) 2021-03-29 2022-09-29 Andritz Küsters Gmbh Anlage zur Verfestigung mindestens einer nass- oder trockengelegten Faserlage zu einer Vliesbahn, mit einem Förderer, der ein umlaufendes Band mit einem oberen Trum umfasst, auf welches die mindestens eine Faserlage ablegbar und in einer Produktionsrichtung verlagerbar ist
DE102021107900B4 (de) * 2021-03-29 2023-02-02 Andritz Küsters Gmbh Anlage zum Verfestigen von Fasern umfassenden Lagen zu einer Vliesbahn
DE102021107901A1 (de) * 2021-03-29 2022-09-29 Andritz Küsters Gmbh Anlage und Verfahren zum Verfestigen von Fasern umfassenden Lagen zu einer Vliesbahn

Citations (8)

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Publication number Priority date Publication date Assignee Title
US3485706A (en) * 1968-01-18 1969-12-23 Du Pont Textile-like patterned nonwoven fabrics and their production
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