WO2009112015A1 - Procédé et dispositif de fabrication d'un non-tissé - Google Patents

Procédé et dispositif de fabrication d'un non-tissé Download PDF

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Publication number
WO2009112015A1
WO2009112015A1 PCT/DE2009/000319 DE2009000319W WO2009112015A1 WO 2009112015 A1 WO2009112015 A1 WO 2009112015A1 DE 2009000319 W DE2009000319 W DE 2009000319W WO 2009112015 A1 WO2009112015 A1 WO 2009112015A1
Authority
WO
WIPO (PCT)
Prior art keywords
pile
wasserstrahlbeaufschlagung
nonwoven
web
fleece
Prior art date
Application number
PCT/DE2009/000319
Other languages
German (de)
English (en)
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
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 DE200810061679 external-priority patent/DE102008061679A1/de
Priority claimed from DE200810061678 external-priority patent/DE102008061678A1/de
Application filed by Fleissner Gmbh filed Critical Fleissner Gmbh
Publication of WO2009112015A1 publication Critical patent/WO2009112015A1/fr

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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
    • D04H3/12—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 an apparatus for producing 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 pre-consolidation of a Flores based on the water jet needling in which the pile is solidified by one or more Wasserstrahlvernadelungs adopteden (water bars - DE 102 05 151) and then dried.
  • Another way of preconsolidation is e.g. the calendering.
  • This results in a very high initial strength - also results in a very closed structure in which to be introduced into the nonwoven agent is difficult to penetrate.
  • 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 as an agent influencing the properties of the nonwoven, which is thus 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.
  • Object of the present invention is to improve a method and an apparatus for performing the method according to the preamble of the method or device claim.
  • a pile consisting of fibers and / or filaments is provided on an endlessly circulating support, the pile is fed by means of the circulating support to a first hydrodynamic impingement,
  • the pile is pre-consolidated by means of the first hydrodynamic admission to a fleece
  • the nonwoven is conveyed to a device for introducing an intrinsic properties of the nonwoven influencing agent and in this
  • this is a thermally activatable binder, which is introduced into the pre-bonded nonwoven and solidified by a subsequent temperature exposure, the web.
  • the nonwoven web is passed through a hot air dryer or an oven.
  • Further training measures include:
  • the properties influencing the agent is supplied to the nonwoven liquid.
  • this can be done by an immersion bath, through which the web of the pre-consolidated nonwoven is conveyed through.
  • the fleece is passed through a medium-containing liquid or a foam. This can be done in particular with a foam padder.
  • the fleece a means is supplied, which is activated in a subsequent treatment step and thus gives the fleece the intended property.
  • the nonwoven fabric is preferably supplied with a thermally activatable binder which is subsequently activated in a dryer operated with hot air or an oven
  • a drying device may also be arranged upstream of the padder, through which an intended amount of moisture is removed from the web is so that this then has the optimum residual moisture content for the introduction of the binder.
  • the drying device can be a device which operates with radiation and / or flowing air, with which the nonwoven fabric is adjusted to the optimum moisture value for the binder feed in the padder.
  • An oven for activating the binder introduced in the padder can be designed as a drying device which conducts the material web of the nonwoven around one or more drums. It is also possible to pass the material web through a belt furnace - the web is here preferably carried by a sieve pad. The thermal energy input is made by hot air or radiant heater (infrared). Ultimately, the nature of the binder is critical to the type of furnace to be used.
  • the device for Wasserstrahlvernadelung 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 device for introducing a the properties of the nonwoven influencing agent is arranged downstream of a furnace or a dryer.
  • the first means for Wasserstrahlbeetzschung is assigned to the endless circulating pad on which the pile is conveyed.
  • the first device for Wasserstrahlbeetzschung acts by a Kompaktierband on the pile.
  • Conveyor belt arranged, opposing sieve belt is konnpaktiert the Flor, pressed. In this pressed state, the first water jet is applied, that nets of the pile together with a slight pre-solidification.
  • the device for the first Wasserstrahlbeetzschung upstream of a device for compression of the pile may be a preferably perforated board roller, which acts on the pile by its own weight or via a predetermined force and thus causes a precompacting. Also, in this way, air in the pile is squeezed out.
  • a pair of press rollers - in the manner of a calender (without heating) -.
  • the second device for Wasserstrahlbeetzschlagung acts on the back of the web.
  • the first water jet is applied thus on the top of lying on the screen backing fleece, the second Wasserstrahlbeetzschlagung on the back.
  • the second device for the application of water jet cooperates with a needling drum, by means of which the nonwoven fabric, which has been preconsolidated at least by means of a water jet, is removed from the endlessly circulating base.
  • a Wasserstrahlbeaufschlagung associated suction is arranged.
  • the Vemadelungstrommel contains in addition to the Wasserstrahlbeaufschlagung associated suction another suction to expel moisture from the web.
  • the amount of moisture to be expelled from the fleece is controllable. It may thus be preferable to set the negative pressure in the suction of the needling drum larger (in terms of amount) than the negative pressure in the first application of water jet.
  • 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. It is a pile with a basis weight less than 100 g / m 2 processed.
  • the processing speed is more than 100 m / min.
  • the water pressure of Wasserstrahlbeetzschung is less than 100 bar.
  • the height of the water pressure depends here preferably on the fiber or filament thickness, the titer. This is how a water pressure of 20 - 40 bar set at 1.7 dtex. For 6 dtex fibers / filaments, the water pressure to be set is preferably 40-80 bar.
  • the respective lower pressure value shall be used at basis weights of up to approx. 30 g / m 2 , the upper pressure value shall apply to fiber and / or fi lament pile fabrics in which the basis weight is up to 100 g / m 2 .
  • the pile is placed on a perforation serving pad, preferably a band serving the perforation, a screen belt and subjected to the water jet. This makes it possible to produce both closed and perforated nonwovens.
  • the first Wasserstrahlbeetzleyung the pile on a perforation serving screen belt takes place.
  • the preferably used screen belt has a mesh thickness of 25-50 wires per cm (weft and warp wires).
  • the transmittance of the screen fabric (open area) 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.
  • the first hydrodynamic loading of the pile directly, ie without a web compacting the pile takes place.
  • the pile is transported on the base designed as a sieve belt and subjected to the application of water jet.
  • the device for applying water jet is positioned at a large distance from the pad supporting the web. As a distance according to this embodiment, the free path of a water jet between the outlet of the water bar and the pad supporting the pile is understood.
  • the distance here is greater than the distance that is selected in a conventional water jet needling, in particular more than twice the value.
  • the distance is between 15 - 100 mm.
  • a clearance is chosen so that airflow generated by the water jets in communication with the suction located below the pad penetrates into and through the web substantially perpendicular to the direction of movement of the web.
  • the invention is designed 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 from the preconsolidated 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.
  • 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 on the belt 2 by a first station for Wasserstrahlbeaufschlagung, consisting of a water bar 3 with a plurality of water outlet nozzles and located on the underside of the belt 2 suction 4, promoted.
  • the water bar 3 is in this embodiment within a
  • the non-woven V thus pre-bonded is removed from the belt 2 by means of a needling drum VT and subjected to a second application of water jet by means of a further jet bar 3.1 for further solidification.
  • the nozzle bar 3.1 is assigned an extraction 4.1.
  • the suction 4.1 is arranged downstream of the needle drum V in the conveying direction of the web V a further suction 5. This suction serves to remove excess water in the web V.
  • the web V solidified by the water jet application stations 3, 4, 3.1, 4.1 will have a squeeze roll 6, 7 Foulard fed.
  • the web V is here passed through the pressure against each other employed rollers 6, 7.
  • a foam supply Above the contact of the two rollers 6, 7 is 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. 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).
  • the first Wasserstrahlbeetzschung without a compacting belt The nozzle beam is arranged in this embodiment at a distance a above the Flor F-carrying belt 2.
  • FIG. 4 shows the arrangement of water bars 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 which is greater than the distance when the water bar 3 is used for a customary hydroentanglement, in particular in conjunction with a compacting belt.
  • 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 plane of the belt 2 extending part of the underside of the water bar 3 is to be evaluated.
  • the flow situation indicated in FIG. 4 results from the selected distance a of the water bar 3 in relation to the width b of the water bar 3.
  • the air flow would be flatter through a water bar 3 positioned at a smaller distance a relative to the belt 2 and the suction 4, then that flow components parallel to the plane of the belt 2, the Flors F arise.
  • the embodiment of Figure 7 additionally shows a dryer 10, the nacher in the conveying path of the web V the water bar 3.1 and the padder 6, 7, 8 upstream.
  • the dryer 10, which is indicated in principle in FIG. 7, can be a drying device operating with radiation and / or flowing air.
  • a squeegee 11 cooperating with the nonwoven and cooperating with a counter-roller 12 is provided for dewatering.
  • This pair of rollers 11, 12 serves to remove excess water from the web V and is downstream of the water bar 3.1 in the conveying path of the web V and the padder 6, 7, 8 upstream.
  • a suction can be provided, which is not shown in the figure 8.
  • the first station for supplying water jet (water bar 3, suction 4) is preceded by a compact animal bar 14.
  • a compact animal bar 14 of the pile F is compressed and pressed out the air therein.
  • the compacting roller is preferably perforated and is pressed against the pile F or the belt 2 carrying the nap with an adjustable force.
  • the band 2 can be supported at this point in particular by means of a counter-pressure roller (not shown).
  • FIG. 5 shows a section through a belt 2 designed as a perforated screen belt, with which in a processing step a web F can be solidified and perforated in order to then feed 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.
  • the perforation screen belt shown in FIGS. 5 and 6 can be used in the embodiments according to FIGS. 1-3 and 7-9.

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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 de fabrication d'un non-tissé à partir de fibres et/ou de filaments, procédé dans lequel on met à disposition un voile sur un support à circulation sans fin, le voile, à l'aide du support circulant, est envoyé à un premier système à action hydrodynamique, on présolidifie le voile à l'aide du premier système à action hydrodynamique, pour donner un non-tissé, et le non-tissé est envoyé à un dispositif destiné à introduire un agent influant sur les propriétés du non-tissé, et est pourvu de cet agent dans ce dispositif. Le dispositif selon l'invention est constitué d'un dispositif de production (1) d'un voile (F) constitué de fibres et/ou de filaments, d'un support circulant sans fin (2), sur lequel le voile (F) est mis à disposition et transporté, d'un premier dispositif (3, 4) pour envoi de jet d'eau sur le voile (F), d'un dispositif (6, 7, 8), monté en aval du système d'envoi du jet d'eau, pour introduire un agent influant sur les propriétés du non-tissé (V).
PCT/DE2009/000319 2008-03-12 2009-03-06 Procédé et dispositif de fabrication d'un non-tissé WO2009112015A1 (fr)

Applications Claiming Priority (12)

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

Publications (1)

Publication Number Publication Date
WO2009112015A1 true WO2009112015A1 (fr) 2009-09-17

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Family Applications (2)

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

Family Applications Before (1)

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

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WO (2) WO2009112008A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013041403A3 (fr) * 2011-09-20 2013-07-25 Trützschler Nonwovens Gmbh Procédé et dispositif de perforation d'un non-tissé au moyen d'un aiguilletage hydrodynamique
US20220307176A1 (en) * 2021-03-29 2022-09-29 Andritz Kuesters Gmbh System for bonding layers comprising fibers to form a nonwoven web
US20220307177A1 (en) * 2021-03-29 2022-09-29 Andritz Kuesters Gmbh Apparatus and method for bonding layers comprising fibers to form a non-woven web
EP4067550A1 (fr) * 2021-03-29 2022-10-05 Andritz Küsters GmbH Installation de renforcement d'au moins une couche fibreuse déposée à l'état humide ou sec en une bande non tissée

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010012193A1 (de) * 2010-03-19 2011-09-22 Carl Freudenberg Kg Reinigungstuch aus Vliesstoff und Verfahren zu seiner Herstellung
CN103397474B (zh) * 2013-08-01 2016-01-13 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

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