EP1967628B2 - Procédé et dispositif de fabrication d'un textile non-tissé filé-lié - Google Patents

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

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Publication number
EP1967628B2
EP1967628B2 EP07004747.7A EP07004747A EP1967628B2 EP 1967628 B2 EP1967628 B2 EP 1967628B2 EP 07004747 A EP07004747 A EP 07004747A EP 1967628 B2 EP1967628 B2 EP 1967628B2
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EP
European Patent Office
Prior art keywords
woven fabric
fabric web
nonwoven web
unit
filaments
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.)
Active
Application number
EP07004747.7A
Other languages
German (de)
English (en)
Other versions
EP1967628A1 (fr
EP1967628B1 (fr
Inventor
Sebastian Sommer
Willi Liebscher
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.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Truetzschler Nonwovens GmbH
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Truetzschler Nonwovens 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
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Application filed by Reifenhaeuser GmbH and Co KG Maschinenenfabrik, Truetzschler Nonwovens GmbH filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority to EP07004747.7A priority Critical patent/EP1967628B2/fr
Priority to ES07004747T priority patent/ES2343547T5/es
Priority to AT07004747T priority patent/ATE466124T1/de
Priority to PL07004747T priority patent/PL1967628T5/pl
Priority to DK07004747.7T priority patent/DK1967628T4/da
Priority to DE502007003585T priority patent/DE502007003585D1/de
Priority to ARP080100839A priority patent/AR065526A1/es
Priority to IL189823A priority patent/IL189823A/en
Priority to US12/043,283 priority patent/US7981357B2/en
Priority to MX2008003204A priority patent/MX2008003204A/es
Priority to RU2008108854/12A priority patent/RU2401333C2/ru
Priority to CN2008100837097A priority patent/CN101260596B/zh
Priority to CA2625245A priority patent/CA2625245C/fr
Priority to JP2008057133A priority patent/JP5008589B2/ja
Priority to BRPI0800455-2A priority patent/BRPI0800455B1/pt
Priority to KR1020080021456A priority patent/KR101036221B1/ko
Publication of EP1967628A1 publication Critical patent/EP1967628A1/fr
Publication of EP1967628B1 publication Critical patent/EP1967628B1/fr
Application granted granted Critical
Publication of EP1967628B2 publication Critical patent/EP1967628B2/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
    • D04H3/16—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 thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • 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
    • 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 for producing a spunbonded non-woven of filaments, which filaments consist in particular of thermoplastic material.
  • the invention further relates to a device for carrying out this method.
  • Filaments means in the context of the invention, in particular endless filaments. Endless filaments differ because of their quasi-endless length of staple fibers, which have much smaller lengths of, for example, 10 to 60 mm.
  • nonwoven web which is typically produced by depositing the filaments on a storage belt.
  • the tray is usually solidified by means of a thermal calender. This results in nonwovens with good strength and small thickness. Heavier or more voluminous Filamentablagen are more difficult to solidify, since the energy input is limited in the middle of the product in the time available and in particular for heating up to the vicinity of the melting point of the plastic is no longer sufficient. If heavier or more voluminous nonwovens are to be produced, other solidification processes are expedient, in particular mechanical needling and hydraulic needling or thermobonding (preferably by means of hot air).
  • the invention is based on the technical problem of specifying a method of the aforementioned type, in which a functionally reliable preconsolidation and / or final consolidation without affecting the quality of the filament / nonwoven web, in particular without affecting the uniformity of Filamentablage / nonwoven web.
  • the invention is further based on the technical problem of specifying a device for carrying out this method.
  • the invention teaches a method for producing a spunbonded filament, in particular of thermoplastic material, wherein the filaments are spun from at least one spinnerette, wherein the filaments are then cooled in a cooling chamber and then aerodynamically in a drawing unit be stretched, the filaments are then passed through at least one diffuser and then stored on a storage tape to the nonwoven web, wherein the nonwoven web is guided with the depositing belt through a moistening device in which the nonwoven web is pre-moistened (without solidification), wherein the nonwoven web is led out of the moistening device and then pre-consolidated by high-pressure water jet treatment on the deposition belt, and wherein the nonwoven web is subsequently removed from the storage belt and fed to the further treatment.
  • the storage belt is a wire belt or a storage belt.
  • Such a screen belt / Ablagesiebband is permeable to air and at least in the filing of the filaments is sucked from below air through the Ablagesiebband to stabilize the Filamentablage / nonwoven web.
  • suction means for generating a corresponding negative pressure or vacuum are known.
  • the pre-moistening of the nonwoven web according to the invention is expediently carried out with water.
  • the moistening device the nonwoven web is only moistened / pre-moistened and not already solidified.
  • the pre-moistening or the moistening device is to be distinguished from a hydraulic pre-consolidation or from a corresponding pre-consolidation device, in which a preconsolidation of the non-woven web takes place.
  • the filaments emerging from the spinnerette or spinnerette are in a very preferred embodiment of the invention according to the REICOFIL III method ( DE-PS 196 20 379 ) or after the REICOFIL IV procedure ( EP-A 1 340 843 ).
  • the transition region between the cooling chamber and the drafting unit is formed closed and that no air is supplied except for the supply of cooling air in the cooling chamber in this transition region.
  • a closed cooling chamber is used. Closed cooling chamber here means that the cooling chamber is formed with the exception of the supply of cooling air and to the introduction of the filaments with corresponding air fractions relative to the environment.
  • the cooling chamber expediently corresponding walls.
  • the filaments are cooled and drawn with the same air or cooling air.
  • essentially the cooling air supplied in the cooling chamber is also used for the drawing of the filaments in the drawing unit.
  • a particularly preferred embodiment of the invention is characterized in that the entire unit of the cooling chamber and drawing unit is designed to be closed and, except for the supply of cooling air in the cooling chamber, no further air is supplied to this unit.
  • the entire unit of the cooling chamber and drawing unit is designed to be closed and, except for the supply of cooling air in the cooling chamber, no further air is supplied to this unit.
  • the filaments - usually from above - are introduced into the cooling chamber and it goes without saying that certain air fractions enter the cooling chamber with these filaments.
  • a further air supply does not take place according to this very preferred embodiment of the invention in the aggregate of cooling chamber and drawing unit.
  • the nonwoven web is guided in the conveying direction before the moistening device by at least one compacting device, in which the nonwoven web is compacted or slightly pre-consolidated.
  • this compacting device therefore, only compacting or slight preconsolidation takes place and still no actual preconsolidation, as in the case of hydraulic preconsolidation or in the case of high-pressure water jet treatment or as in the case of preconsolidation with a calender.
  • the compacting or light pre-consolidation is carried out with the proviso that no bonding points or substantially no bonding points between the filaments arise and / or that no "wanted" entanglement of the filaments as in the high-pressure water jet treatment is generated.
  • all or even substantially all filaments should be able to be detached from one another after compaction.
  • the compacting device has at least one outlet roller arranged above the depositing belt, preferably a heated outlet roller, and the outlet roller acts on the nonwoven web when passing through the compacting device from above.
  • the nonwoven web is compacted or slightly pre-consolidated.
  • the thickness of the Filamentablage / nonwoven web in the conveying direction in front of the outlet roller is higher than the distance gap between the outlet roller and storage belt.
  • the discharge roll seals the suction region in the storage area of the filaments. Suction area here means the area of the tray in which air is sucked from below through the storage belt / storage belt.
  • the surface temperature of the delivery roller between room temperature and 5 ° C below the melting point of the filament material or arranged on the outside of the filaments filament material.
  • the surface temperature of the outlet roller is at least 30 ° C, preferably at least 35 ° C.
  • two outlet rollers are provided, wherein an outlet roller is disposed above the storage belt or forming a gap gap over the storage belt and wherein the second discharge roller is arranged below the storage belt. The resting on the storage belt nonwoven web is carried out between the two outlet rollers.
  • the discharge roll arranged above the deposit belt is the discharge roll already described above, and the described preferred embodiments also apply to this discharge roll in the embodiment with two discharge rolls.
  • the lower outlet roller may also be heated.
  • the upper outlet roller and the lower outlet roller expediently have the same temperature or essentially the same temperature.
  • the invention is based on the finding that the use of the outlet roller or the outlet rollers increases the resistance of the nonwoven web against displacements by air movements.
  • the suction region is sealed in the region of the filament deposit and so a simple and defined control of the air movements in this area becomes possible.
  • the nonwoven web is pre-moistened in at least one moistening device before the preconsolidation. If a compacting device described above is present, it is recommended that the nonwoven web is first led out of the compacting device and then introduced into the at least one moistening device. According to one embodiment of the invention, two or more moistening devices can also be provided, which are expediently arranged one behind the other and are preferably all provided prior to preconsolidation. It is furthermore within the scope of the invention that during prewetting a fluid medium, preferably water, is applied to the nonwoven web. Preferably, the fluid medium / water is applied to the nonwoven web from above. Conveniently, the water penetrating the nonwoven web and the Ablagesiebband is collected below the Ablagesiebbandes. It is recommended that below the filament filter belt sucking this fluid Medium / water takes place.
  • a fluid medium preferably water
  • a preferred embodiment is characterized in that the nonwoven web is pre-moistened in the moistening device with a fluid medium which consists of a plurality of nozzles with a pressure of 2 to 40 bar, preferably with a pressure of 2 to 20 bar and preferably with a pressure of 3 to 10 bar, exit.
  • the fluid medium is in particular water.
  • the pre-moistening thus takes place with the aid of water jets which emerge at relatively low pressure (in comparison to hydroentanglement) and impinge on the nonwoven web.
  • the nozzles are provided on at least one water jet beam, which is arranged transversely or substantially transversely to the longitudinal direction or to the transport direction of the nonwoven web. Several water jet beams can be arranged one behind the other.
  • the aforementioned water jet beams are similar to the high-pressure water jet beams for the pre-consolidation, so that there is a flexible interchangeability of wearing parts here.
  • the humidifier operates at significantly lower pressures than the hydroentanglement.
  • the nozzles in the moistening device can be designed more easily.
  • the fluid medium / water is forced through the nonwoven web and through the Ablagesiebband in a arranged under the Ablagesiebband drain hole, preferably in a drain slot. At this at least one drain opening or at this at least one drain slot a vacuum or vacuum is suitably applied.
  • the nozzles / low-pressure nozzles at a distance of 10 to 400 mm, in particular 30 to 400 mm, preferably 60 to 400 mm, preferably 100 to 400 mm and very preferably 125 to 250 mm above the nonwoven web or are arranged above the nonwoven web surface.
  • the distance here refers to the distance of the nozzle openings to the nonwoven web surface.
  • the high pressure water jet nozzles of the preconsolidation are arranged relatively close to the nonwoven web, preferably at a distance of 5 to 20 mm from the nonwoven web surface.
  • the moistening device In the moistening device, the water jets burst due to the long jet path, resulting in droplet rain. This is in contrast to the solidification approach, where measures are taken to keep the water jets stable until impacting the web.
  • the moistening device As a result of the low pressure of the fluid medium and the relatively large distance between the nozzles and the nonwoven web surface, a "soft" contact of the fluid medium / water with the nonwoven web is realized.
  • the invention is based on the finding that in this way a particularly uniform introduction of the fluid medium / water into the nonwoven web is possible. Due to the gentle moistening of the nonwoven web disturbing air movements and their negative effect on the uniformity of the tray can be avoided.
  • a fluid medium - preferably water - is expelled in the moistening device as mist and the nonwoven web is then pre-moistened with this mist.
  • the fluid medium / water is expediently atomized or compressed by compressed-air blow molding strips or spray bars.
  • the pre-moistening with the mist is expediently carried out from above onto the nonwoven web.
  • the fluid medium / water then passes through the nonwoven web and partially through the Ablagesiebband and is suitably collected in at least one drain opening or in at least one drain slot under the Ablagesiebband.
  • the at least one drain opening or the at least one drain slot is either arranged directly or approximately directly under the blow bars or in the conveying direction of the nonwoven web behind the blow bars.
  • the distance to the blowing strips is then in particular 2 to 150 cm, preferably 5 to 100 cm.
  • a negative pressure is applied to the drain opening or is expediently a negative pressure of 50 to 200 mbar, preferably from 50 to 150 mbar.
  • the mist pre-moistening applied to the drain opening or at the discharge slot vacuum is very beneficial for the function of the pre-moistening.
  • the fluid medium / water is sucked into the nonwoven web.
  • the fluid medium / water for pre-moistening the nonwoven web could also be provided by an overflow weir.
  • the pre-moistening of the nonwoven web takes place both by the described water jet pre-moistening and by the described mist pre-moistening.
  • the invention is based on the finding that the fluid medium / water introduced between the filaments modifies the filament-filament coefficients of friction and insofar as it acts as an adhesive.
  • the fluid medium / water introduced into the nonwoven web reduces displacements of the filament deposit / nonwoven web or in the filament deposit / nonwoven web.
  • the pre-moistening with the fluid medium / water does not hinder the looping of the filaments during the later pre-consolidation by high pressure water jet treatment.
  • the preconsolidation of the nonwoven web with the high pressure water jets at a water pressure of 60 to 150 bar, preferably from 60 to 120 bar and very preferably from 70 to 100 bar is performed.
  • the water pressure of the high-pressure water jets is around 100 bar. It is advisable to set the water pressure as a function of the line speed and / or the nonwoven weight and / or the denier and / or the raw material of the filaments and / or the desired / required degree of preconsolidation.
  • one or even a plurality of high-pressure water jet beams can be provided and expediently oriented transversely or essentially transversely to the longitudinal direction / transport direction of the nonwoven web.
  • the distance of the high-pressure water jet nozzles to the nonwoven web surface is in particular 5 to 50 mm, preferably 5 to 25 mm and preferably 10 to 20 mm.
  • the distance here refers to the distance of the high-pressure water jet nozzle openings to the nonwoven web surface. It is within the scope of the invention that the high-pressure water jet nozzles are arranged above the nonwoven web.
  • the nonwoven web is dewatered after the preconsolidation on the storage belt.
  • the hydraulically pre-bonded nonwoven web has a relatively high water content, which is reduced / minimized during said dewatering.
  • This dewatering is preferably carried out by suction (below the storage screen belt) or by blowing through the nonwoven web and the Ablagesiebbandes with air, expediently with warm air. It is within the scope of the invention that the drainage is carried out on the Ablagesiebband that effectively supports the nonwoven web.
  • the preconsolidated and preferably dewatered nonwoven web is then removed from the Ablagesiebband and fed to the further treatment.
  • Further treatment means in particular a final consolidation of the nonwoven web.
  • the further treatment or final solidification can be carried out in an inline process (continuous) or in an off-line (discontinuous) process.
  • the nonwoven web can in particular initially be wound onto a winder for further processing.
  • Further treatment of the nonwoven web means, for example, also the drying of the (pre-) solidified nonwoven, for example in a drum dryer or the like.
  • the invention further teaches an apparatus for performing the method according to the invention, wherein at least one spinning device for producing the filaments is provided, wherein in the direction of movement of the spun filaments successively a cooling chamber, a drawing unit and a laying unit are arranged, wherein a storage belt for the filing of the filaments to the nonwoven web is provided, wherein at least one moistening device is present for pre-moistening the nonwoven web guided on the deposition belt, in which the nonwoven web is pre-moistened without solidification.
  • At least one preconsolidating device for hydraulic pre-consolidation of the nonwoven web received on the depositing belt is arranged with high-pressure water jets, wherein a device for removing the preconsolidated nonwoven web is provided by the storage belt and wherein at least one further treatment device for further treatment of the stripped nonwoven web is present.
  • the laying unit of the device according to the invention has at least one diffuser.
  • the emerging from the at least one diffuser filaments are deposited on the storage belt to the nonwoven web.
  • the further treatment device is, in particular, a final consolidation device for the stripped nonwoven web.
  • the spunbonded nonwovens produced according to the invention can consist of monocomponent filaments or multicomponent filaments or bicomponent filaments.
  • a spunbond fabric produced according to the invention may also comprise a mixture of monocomponent filaments and multicomponent filaments / bicomponent filaments.
  • a multilayer spunbonded fabric can be produced without problems.
  • the spunbonded webs assigned to each layer of the spunbonded web are arranged one behind the other, and in the conveying direction behind the last spinneret, the inventive treatment of the nonwoven filing takes place, in particular the pre-moistening of the nonwoven filing according to the invention and the subsequent hydraulic preconsolidation.
  • the invention is based on the finding that with the inventive measures both a functionally reliable hydraulic pre-consolidation and a functionally reliable feeding of the nonwoven web for final consolidation without quality impairments of the nonwoven web is ensured.
  • With the treatment measures according to the invention remains a uniform nonwoven web with uniform filament distribution and arrangement receive. In particular, undesirable and uniformity affecting shifts of the nonwoven web are avoided.
  • the invention nonetheless ensures low-cost production of the spunbonded nonwovens and, in comparison to previously known methods / apparatuses, the energy expenditure required in ongoing production can be effectively minimized.
  • the figures show an apparatus for producing a spunbonded nonwoven fabric from filaments of thermoplastic material.
  • the filaments are spun with a spinnerette 1 and are then introduced into a cooling chamber 2 in which the filaments are cooled with cooling air.
  • the cooling chamber 2 is divided in the embodiment into two cooling sections 2a and 2b.
  • an air supply cabin 8 is arranged, which is divided into an upper cabin section 8a and a lower cabin section 8b. From the two cabin sections 8a, 8b expediently cooling air is supplied with different, convective heat dissipation. Preferably, cooling air of different temperature can be supplied from the two cabin sections 8a and 8b.
  • the filaments in the two cooling sections 2a and 2b can each be exposed to cooling air of different temperature and / or different amount and / or different air humidity.
  • the Unterziehkanal 5 includes the laying unit 6, which has a first diffuser 13 and an adjoining second diffuser 14 in the embodiment. Between the first diffuser 13 and the second diffuser 14, an ambient air inlet gap 15 is provided. Below the laying unit 6, a continuously moving Ablagesiebband 7 for filing the filaments to the nonwoven web 11 is arranged. In the Fig.
  • the emerging from the second diffuser 14 filaments are deposited on the Ablagesiebband 7 to the nonwoven web 11.
  • a suction device 19 In this storage area for the filaments is located under the air-permeable Ablagesiebband 7 in the embodiment, a suction device 19, the air sucks from below through the Ablagesiebband 7.
  • the upper discharge roller 10 is disposed over the nonwoven web 11 and the Ablagesiebband 7 and the lower discharge roller 12 is provided directly under the Ablagesiebband 7.
  • the nonwoven web 11 is passed between the two heated discharge rollers 10, 12 and thereby compacted or slightly pre-consolidated.
  • the compacting device 9 or the outlet rollers 10, 12 seal the suction area in the depositing area of the filaments.
  • Fig. 2 shows that in the conveying direction of the nonwoven web 11 behind the compacting device 9, a first moistening device 16 and a second moistening device 17 for pre-moistening the nonwoven web 11 is arranged.
  • the first moistening device 16 has a spray bar 18 arranged transversely to the nonwoven web 11 above the nonwoven web 11 or above the filing web belt 7. With this spray bar 18 of the first moistening device 16 water is emptied as fog and the nonwoven web is pre-moistened with this mist.
  • Is in Fig. 2 indicated schematically.
  • the Ablagesiebbandes 7 designed as a suction 20 suction opening for sucking the applied water in this pre-moistening.
  • a corresponding negative pressure is applied to the suction slot 20. With the help of this suction slot 20, water can be effectively sucked into the nonwoven web 11.
  • the nonwoven web 11 is then inserted into the second moistening device 17, in which the nonwoven web is pre-moistened with water emerging from a plurality of low pressure nozzles. So there is a pre-moistening with the help of water jets.
  • a low pressure water jet bar 21 arranged transversely to the nonwoven web is shown.
  • a plurality of such low-pressure water jet beams 21 can be arranged one behind the other in the conveying direction of the nonwoven web 11.
  • the low-pressure water jet bar 21 is arranged at a relatively large distance above the nonwoven web 11.
  • a suction slot 22 formed suction opening, in which the pressed through the nonwoven web 11 and the Ablagesiebband 7 water is pressed.
  • a negative pressure vacuum
  • a pre-consolidation device 23 adjoins, in which the pre-moistened nonwoven web 11 is pre-consolidated by high-pressure water jet treatment on the support screen belt 7.
  • high-pressure water jets emerge from a plurality of high-pressure water jet nozzles with a higher water pressure than the water jets in the second humidifier 17
  • Fig. 2 is a transversely to the nonwoven web 11 arranged high pressure water jet bar 24 shown, from which emerge said high pressure water jets and act on the nonwoven web 11 or preconsolidate.
  • the high-pressure water jet bar 24 is arranged at a significantly smaller distance above the nonwoven web 11 than the low-pressure water jet bar 21 of the second wetting device 17. It is within the scope of the invention that a plurality of high-pressure water jet bars 24 are arranged one behind the other in the conveying direction of the nonwoven web 11. Below the storage screen belt 7 takes place in the Vorverfest Trents issued 23 an extraction of the applied water via a suction slot 25th
  • the nonwoven web 11 is withdrawn from the Ablagesiebband 7 and fed to the further treatment.
  • the further treatment device 27 is a solidification device for solidifying the nonwoven web 11 with high-pressure water jets. Below the nonwoven web 11, a suction can be seen here as well. The solidification or final solidification can also be carried out here on a drum, not shown.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Gasket Seals (AREA)

Claims (12)

  1. Procédé de fabrication d'un textile non-tissé à partir de filaments, en particulier à partir de matière thermoplastique,
    dans lequel les filaments sont filés à partir d'au moins un dispositif de filage, les filaments étant ensuite refroidis dans une chambre réfrigérante (2) puis étirés dans une unité d'étirage (4), les filaments étant ensuite conduits dans au moins un diffuseur (13, 14) puis déposés sur une bande de dépôt pour former la bande non tissée (11),
    la bande non tissée (11) étant conduite avec la bande de dépôt dans un dispositif d'humidification (16, 17) dans lequel la bande non tissée (11) est pré-humidifiée sans solidification,
    la bande non tissée (11) étant sortie du dispositif d'humidification (16, 17) puis solidifiée sur la bande de dépôt par traitement au jet d'eau à haute pression
    et la bande non tissée (11) étant ensuite retirée de la bande de dépôt et subissant un traitement ultérieur.
  2. Procédé selon la revendication 1, dans lequel la zone de transition entre la chambre réfrigérante (2) et l'unité d'étirage (4) a une configuration fermée et aucun air supplémentaire n'est conduit dans cette zone de transition à part l'apport d'air de refroidissement dans la chambre réfrigérante (2).
  3. Procédé selon une des revendications 1 ou 2, dans lequel l'agrégat constitué de la chambre réfrigérante (2) et de l'unité d'étirage (4) a une configuration fermée et aucun air supplémentaire n'y est conduit à part l'apport d'air de refroidissement dans la chambre réfrigérante (2).
  4. Procédé selon une des revendications 1 à 3, dans lequel la bande non tissée (11) est conduite en amont du dispositif d'humidification (16, 17) dans un dispositif de compactage (9) dans lequel la bande non tissée (11) est compactée ou légèrement pré-solidifiée.
  5. Procédé selon la revendication 4, dans lequel le dispositif de compactage (9) présente au moins un cylindre de sortie (10, 12) disposé au-dessus de la bande de dépôt, de préférence un cylindre de sortie chauffé (10, 12) et le cylindre de sortie (10, 12) touche la bande non tissée (11) par le haut en la conduisant dans le dispositif de compactage (9).
  6. Procédé selon une des revendications 1 à 5, dans lequel la bande non tissée (11) est pré-humidifiée dans le dispositif d'humidification (16, 17) avec un fluide qui sort d'une pluralité de buses à une pression de 2 à 40 bars, de préférence à une pression de 2 à 20 bars, préférentiellement à une pression de 3 à 10 bars.
  7. Procédé selon la revendication 6, dans lequel les buses sont disposées à une distance de 10 à 400 mm, de préférence 30 à 350 mm et préférentiellement 100 à 250 mm au-dessus de la bande non tissée (11).
  8. Procédé selon une des revendications 1 à 7, dans lequel, dans le dispositif d'humidification (16, 17), un produit fluide est projeté sous forme de brouillard et la bande non tissée (11) est pré-humidifiée par ce brouillard.
  9. Procédé selon une des revendications 1 à 8, dans lequel la solidification de la bande non tissée (11) est réalisée à l'aide de jets d'eau à haute pression avec une pression d'eau de 60 à 150 bars, de préférence 60 à 120 bars et préférentiellement 70 à 100 bars.
  10. Procédé selon une des revendications 1 à 9, dans lequel la distance entre les buses de jet d'eau à haute pression et la bande non tissée (11) est de 5 à 50 mm, de préférence 5 à 25 mm et préférentiellement 10 à 20 mm.
  11. Procédé selon une des revendications 1 à 10, dans lequel la bande non tissée (11) est déshydratée après pré-solidification sur la bande de dépôt.
  12. Dispositif de réalisation du procédé selon une des revendications 1 à 11, dans lequel il est prévu au moins un dispositif de filage pour produire les filaments,
    dans le sens de mouvement des filaments sont disposés successivement une chambre réfrigérante (2), une unité d'étirage (4) et une unité de dépôt (6) comportant au moins un diffuseur (13, 14),
    il est prévu une bande de dépôt pour le dépôt des filaments en formant une bande non tissée (11),
    au moins un dispositif d'humidification (16, 17) est disponible pour préhumidifier la bande non tissée (11) conduite sur la bande de dépôt, dispositif d'humidification dans lequel la bande non tissée (11) est pré-humidifiée sans solidification,
    dans le sens de transport de la bande non tissée (11), derrière le dispositif d'humidification (16, 17), au moins un dispositif de pré-solidification (23) est disposé pour la pré-solidification hydraulique à l'aide de jets d'eau à haute pression de la bande non tissée (11) reçue sur la bande de dépôt,
    il est prévu un dispositif de retrait de la bande non tissée (11) pré-solidifiée de la bande de dépôt et
    au moins un dispositif de traitement ultérieur (26, 27) est disponible pour le traitement ultérieur de la bande non tissée (11) extraite.
EP07004747.7A 2007-03-08 2007-03-08 Procédé et dispositif de fabrication d'un textile non-tissé filé-lié Active EP1967628B2 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
EP07004747.7A EP1967628B2 (fr) 2007-03-08 2007-03-08 Procédé et dispositif de fabrication d'un textile non-tissé filé-lié
ES07004747T ES2343547T5 (es) 2007-03-08 2007-03-08 Procedimiento y dispositivo de fabricación de un velo de hilatura
AT07004747T ATE466124T1 (de) 2007-03-08 2007-03-08 Verfahren und vorrichtung zur herstellung eines spinnvlieses
PL07004747T PL1967628T5 (pl) 2007-03-08 2007-03-08 Sposób i urządzenie do wytwarzania włókniny metodą "spod filiery"
DK07004747.7T DK1967628T4 (da) 2007-03-08 2007-03-08 Fremgangsmåde og indretning til fremstilling af et spunbond materiale
DE502007003585T DE502007003585D1 (de) 2007-03-08 2007-03-08 Verfahren und Vorrichtung zur Herstellung eines Spinnvlieses
ARP080100839A AR065526A1 (es) 2007-03-08 2008-02-28 Procedimiento y dispositivo para producir un material textil no tejido constituido por filamentos
IL189823A IL189823A (en) 2007-03-08 2008-02-28 Method and apparatus for making a spunbond web
RU2008108854/12A RU2401333C2 (ru) 2007-03-08 2008-03-06 Способ и устройство для изготовления фильерного нетканого материала
MX2008003204A MX2008003204A (es) 2007-03-08 2008-03-06 Metodo y dispositivo para producir un vellon hilado.
US12/043,283 US7981357B2 (en) 2007-03-08 2008-03-06 Method of making a spunbond
KR1020080021456A KR101036221B1 (ko) 2007-03-08 2008-03-07 스펀본드 웹을 제조하는 방법 및 장치
CA2625245A CA2625245C (fr) 2007-03-08 2008-03-07 Procede et appareil permettant de fabriquer un nontisse par filage direct
JP2008057133A JP5008589B2 (ja) 2007-03-08 2008-03-07 スパンボンド不織布を製造する方法と装置
BRPI0800455-2A BRPI0800455B1 (pt) 2007-03-08 2008-03-07 Processo e dispositivo para produção de um velo fiado
CN2008100837097A CN101260596B (zh) 2007-03-08 2008-03-07 用于制造纺粘型非织造物的方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07004747.7A EP1967628B2 (fr) 2007-03-08 2007-03-08 Procédé et dispositif de fabrication d'un textile non-tissé filé-lié

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EP1967628A1 EP1967628A1 (fr) 2008-09-10
EP1967628B1 EP1967628B1 (fr) 2010-04-28
EP1967628B2 true EP1967628B2 (fr) 2013-07-17

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US (1) US7981357B2 (fr)
EP (1) EP1967628B2 (fr)
JP (1) JP5008589B2 (fr)
KR (1) KR101036221B1 (fr)
CN (1) CN101260596B (fr)
AR (1) AR065526A1 (fr)
AT (1) ATE466124T1 (fr)
BR (1) BRPI0800455B1 (fr)
CA (1) CA2625245C (fr)
DE (1) DE502007003585D1 (fr)
DK (1) DK1967628T4 (fr)
ES (1) ES2343547T5 (fr)
IL (1) IL189823A (fr)
MX (1) MX2008003204A (fr)
PL (1) PL1967628T5 (fr)
RU (1) RU2401333C2 (fr)

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DE102009032343A1 (de) * 2009-07-09 2011-01-20 Fleissner Gmbh Und Co. Vorrichtung zum Verfestigen einer Materialbahn
DE102010009275A1 (de) * 2010-02-25 2011-08-25 Trützschler Nonwovens GmbH, 63329 Vorrichtung zum Verfestigen einer Materialbahn
FR2986177B1 (fr) * 2012-01-30 2016-05-06 Astrium Sas Procede de drapage sur forme de materiaux composites et materiau adapte a ce procede
DE102013107237A1 (de) 2013-07-09 2015-01-15 TRüTZSCHLER GMBH & CO. KG Vorrichtung und Verfahren zum hydrodynamischen Verfestigen von Vliesen, Geweben und Gewirken
JP6425023B2 (ja) 2015-01-14 2018-11-21 パナソニックＩｐマネジメント株式会社 極細繊維生成方法及び生成装置
US11826230B2 (en) 2015-07-31 2023-11-28 The Procter & Gamble Company Package of absorbent articles utilizing a shaped nonwoven
CA2991934C (fr) 2015-07-31 2020-01-07 The Procter & Gamble Company Courroie de formation pour nontisse forme
DK3192910T3 (da) * 2016-01-15 2019-10-14 Reifenhaeuser Masch Fremgangsmåde til fremstilling af et laminat og laminat
EP3239378B1 (fr) * 2016-04-29 2019-02-13 Reifenhäuser GmbH & Co. KG Maschinenfabrik Procede et dispositif destines a la fabrication de tissus non-tisses a partir de filaments continus
ES2794010T3 (es) 2016-05-18 2020-11-17 Fibertex Personal Care As Método para hacer una banda no tejida de curvatura alta
EP3382080B1 (fr) * 2017-03-28 2019-08-07 Reifenhäuser GmbH & Co. KG Maschinenfabrik Procédé et dispositif de fabrication d'un non-tissé à partir de fibres
DK3382081T3 (da) * 2017-03-31 2019-11-11 Reifenhaeuser Masch Indretning til fremstilling af filterduge af endeløse filamenter
SI3382082T1 (sl) * 2017-03-31 2019-11-29 Reifenhaeuser Masch Naprava za proizvodnjo tkanih polsti iz brezkončnih filamentov
DE102017129300A1 (de) 2017-12-08 2019-06-13 Trützschler GmbH & Co Kommanditgesellschaft Anlage und Verfahren zur Erzeugung eines Spinnvlieses
EP3575469B1 (fr) * 2018-05-28 2020-08-05 Reifenhäuser GmbH & Co. KG Maschinenfabrik Procédé et dispositif destinés à la fabrication de tissus non-tissés à partir de filaments continus
PL3628765T3 (pl) * 2018-09-28 2021-09-06 Reifenhäuser GmbH & Co. KG Maschinenfabrik Sposób i urządzenie do wytwarzania wstęgi włókniny z włókien
CN112251917A (zh) * 2020-11-02 2021-01-22 黄淑珠 一种纺织无纺布生产设备

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Publication number Publication date
CN101260596B (zh) 2011-06-08
CA2625245C (fr) 2013-05-07
BRPI0800455B1 (pt) 2018-03-06
MX2008003204A (es) 2009-02-11
ATE466124T1 (de) 2010-05-15
IL189823A0 (en) 2008-12-29
EP1967628A1 (fr) 2008-09-10
CN101260596A (zh) 2008-09-10
JP2008223214A (ja) 2008-09-25
BRPI0800455A (pt) 2008-10-21
PL1967628T3 (pl) 2010-10-29
JP5008589B2 (ja) 2012-08-22
DE502007003585D1 (de) 2010-06-10
EP1967628B1 (fr) 2010-04-28
KR20080082523A (ko) 2008-09-11
IL189823A (en) 2011-12-29
PL1967628T5 (pl) 2014-04-30
US20080220161A1 (en) 2008-09-11
ES2343547T3 (es) 2010-08-03
RU2401333C2 (ru) 2010-10-10
US7981357B2 (en) 2011-07-19
CA2625245A1 (fr) 2008-09-08
DK1967628T4 (da) 2013-10-28
RU2008108854A (ru) 2009-09-20
ES2343547T5 (es) 2013-11-27
AR065526A1 (es) 2009-06-10
KR101036221B1 (ko) 2011-05-20
DK1967628T3 (da) 2010-08-09

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