EP1941090A1 - Dispositif et procédé de dépose de fibres synthétiques sur un non-tissé - Google Patents

Dispositif et procédé de dépose de fibres synthétiques sur un non-tissé

Info

Publication number
EP1941090A1
EP1941090A1 EP06792442A EP06792442A EP1941090A1 EP 1941090 A1 EP1941090 A1 EP 1941090A1 EP 06792442 A EP06792442 A EP 06792442A EP 06792442 A EP06792442 A EP 06792442A EP 1941090 A1 EP1941090 A1 EP 1941090A1
Authority
EP
European Patent Office
Prior art keywords
belt
roller
storage belt
guide means
nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06792442A
Other languages
German (de)
English (en)
Inventor
Anton Mooshammer
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP1941090A1 publication Critical patent/EP1941090A1/fr
Withdrawn legal-status Critical Current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
    • D04H3/02—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
    • D04H3/02—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
    • D04H3/04—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 in rectilinear paths, e.g. crossing at right angles

Definitions

  • the invention relates to a device for depositing synthetic fibers into a nonwoven according to the preamble of claim 1 and to a method for depositing a plurality of fibers into a nonwoven according to the preamble of claim 15.
  • a plurality of extraded filament strands must be deposited as evenly as possible to form a fabric.
  • the filament strands are more or less withdrawn after extrading and cooling by a conveying fluid and guided to a storage belt.
  • methods and devices have proven particularly useful in which the draw-off nozzle conveys the filament strands into an open system.
  • a draw-off nozzle is used to pull the synthetic fibers after extruding from a spinning device to stretch and deposit.
  • the draw-off nozzle has a guide channel which has a slot-shaped fiber inlet on an upper side.
  • the invention has set itself the task of providing a device and a method for depositing synthetic fibers to a nonwoven of the generic type, in which or even at higher spinning speeds uniform and controlled deposition of the fibers are possible to form a nonwoven.
  • a further object of the invention is to improve a device for depositing synthetic fibers into a nonwoven in such a way that a nonwoven fabric is produced on the deposition belt which has a substantially constant nonwoven thickness over the entire width.
  • the invention has the advantage that the fibers can be guided free of environmental influences in a protected space for storage.
  • the fiber stream generated by the draw-off nozzle is blown out of the free space in an open fiber inlet gap formed by the guide means in order to be guided to the storage belt within a guide section formed between the guide means.
  • the guide means form a spatially limited area above the storage belt, in which the fibers are laid to the fleece.
  • the development of the invention has proven particularly useful, in which the arranged on the belt discharge side guide means is formed by a rotatably mounted roller, which with the deposit belt forming a gap for Fleece forms.
  • the fiber inlet as well as for the fiber deposition favorable guide contour within created the guide section through which a particularly advantageous storage of the fiber is achieved on the storage belt.
  • the fiber incidence angles can be influenced in such a way that the fibers can impinge on the deposit belt at an angle of ⁇ 90 °. This ensures a gentle and gentle storage of the fibers on the storage belt even at high speeds of the guided fibers.
  • the kinetic energy entrained in the impact of the fibers can be advantageously included in the web formation.
  • the web receives a substantially uniform thick structure over the entire width of the storage belt without being damaged in the forming gap between the storage belt and the roller.
  • the development of the device according to the invention is preferably used, in which the arranged on the tape inlet side guide means is formed by a second rotatably mounted roller, which is held in contact with the storage belt.
  • the arranged on the tape inlet side guide means is formed by a second rotatably mounted roller, which is held in contact with the storage belt.
  • the leadership of the fibers within the guide portion and the filing of the fibers in the lower region of the guide portion can be influenced in a desired manner by the inventive development of the device such that at least one of the rollers has a perforated roll shell, which is internally formed with a pressure chamber connected is.
  • a pressure chamber By connecting the pressure chamber with a pressure source or a suction additional air flows can be generated within the guide section.
  • pulsating compressed air changes within the pressure chamber can be formed, so that special effects are produced during the deposition of the nonwoven.
  • the drive of the rollers is preferably carried out by the conveying movement of the storage belt, so that the rollers are held with frictional contact to the storage belt. However, it is also possible to assign the rollers at least one electric drive.
  • the development of the device according to the invention in which at least one of the rollers is associated with a ferromagnetic means which cooperates with a arranged on a bottom of the storage belt magnet, preferably an electromagnet such that between the roller and the storage belt a pressing force acts, is particularly in the Forming a shaping gap between the roller and the storage belt advantageous.
  • This makes it possible to fine-tune, so that depending on the Fiia- ment strength of the fibers and the basis weight of the web each have an optimal contact force between the roller and the storage belt acts.
  • the influencing of the pressing force between the roller and the storage belt also allows an optimal sealing function relative to the environment, so that, for example, an intake of external air or generation of air vortices is avoided at the sealing points.
  • the development of the invention leads to a special flexibility, in which the arranged on the wall drain side guide means or the storage belt is assigned a height adjustment, by which a formed between the guide means and the storage belt forming gap changeable is.
  • a further optimization for guiding and depositing the fibers is given by the fact that at least one of the guide means is held transversely to the suction nozzle adjustable to change the formed between the guide means guide portion.
  • an adjustable suction opening is formed below the storage belt, through which a suction device with the underside of the storage bandes is connected.
  • the size of the mammal opening between two cover plates held relative to each other can be changed so that, depending on the filing of the fibers, an optimized and uniform absorption and removal of the conveying fluid takes place.
  • a further improvement of the flexibility of the device according to the invention is given by the fact that the guide means and the storage belt are held on a lifting table, which is movable to change a storage height between the discharge nozzle and the storage belt.
  • the guide means By connecting the guide means to the storage belt, the entire space between the guide means and the exhaust nozzle is available for adjustment.
  • the trigger nozzle could also be made adjustable in height.
  • the outlet opening of the draw-off nozzle is assigned at least one guide means, which is held at a distance from the guide means below the draw-off nozzle. This allows adjustment of further fiber guidance relevant for web formation.
  • the inventive method for depositing a plurality of fibers into a nonwoven combines the particular advantages of an open system in which the fiber stream is blown directly into a free space, with a controlled and reproducible and safe deposition of the fibers into a nonwoven.
  • Environmental influences due to, for example, external air are reduced to a minimum during storage, despite the open system.
  • the device according to the invention with the features of claim 19 forms an advantageous embodiment to produce a force acting between a roller and a storage belt pressing force with magnetic means.
  • the magnet is preferably bar-shaped and arranged on an underside of the storage belt.
  • the magnetic force means cooperating with the magnet are associated with the roller, so that an attraction force determined by the magnet acts on the roller.
  • Such a design also has the advantage that the roller assumes a substantially unchanged position on the storage belt.
  • the ferromagnetic means can be formed directly by a roll shell or alternatively by an iron roll, which is arranged freely rotatable in the interior of the roll.
  • a second roller with contact to the deposit belt is preferably also freely rotatably supported on the inlet side of the discharge nozzle, which has a ferromagnetic means and with a second magnet cooperates on the underside of the storage belt.
  • the magnet is preferably formed by a controllable electromagnet, so that the intensity and thus the size of the pressing force is variable by the energization of the electric motor.
  • the device according to the invention and the method according to the invention are characterized by a stable and reproducible deposition of the fibers into a nonwoven, with high spinning and production speeds being possible. In this case, depending on the fiber type, fiber material and nonwoven request any desired setting can be made. It is also possible to carry out the settings by means of controllable actuators, which are automatically controlled, for example, by means of a control device according to specification of process or product parameters.
  • Fig. 1 shows schematically a view of a first embodiment of the device according to the invention
  • FIG. 2 is a schematic cross-sectional view of another embodiment of the device according to the invention.
  • a first embodiment of the device according to the invention for depositing synthetic fibers to a nonwoven fabric and for carrying out the method according to the invention is shown schematically.
  • Fig.l shows a rectangular discharge nozzle 1, which is usually arranged below a spinning device.
  • Nozzles are well known and explained in more detail, for example, in US 6,183,684 Bl. In that regard, reference is made to the cited document and mentions below only the essential components.
  • the draw-off nozzle 1 has a central delivery channel 5, which is bounded on an upper side of the draw-off nozzle 1 by a fiber inlet 2 and on the underside of the draw-off nozzle 1 by a fiber outlet 3.
  • the delivery channel 5 is slit-shaped and extends substantially over the entire length of the cuboid nozzle 1.
  • On the longitudinal sides of the conveyor channel 5 a plurality of fluid inlets, not shown here, are formed, which are connected to a fluid port 4. Through the fluid connection 4, a delivery fluid is supplied, which has an overpressure relative to the atmosphere in the delivery channel 5.
  • the draw-off nozzle 1 is arranged at a distance above a storage belt 6.
  • the storage belt 6 has a bandwidth which extends over the entire length of the draw-off nozzle 1.
  • the storage belt 6 is preferably guided as an endless belt over several conveyor rollers and directed directed transversely to the longitudinal side of the haul-off nozzle 1.
  • the storage belt 6 thus moves continuously in a guide direction, which is marked in the figure with an arrow.
  • the Abiba-band 6 is formed permeable to air, wherein in a vertically below the discharge nozzle 1 formed storage area, a suction device 31 is disposed on the underside of the storage belt 6.
  • a path is formed which is divided by a free space 17 formed directly below the draw-off nozzle 1 and a guide portion 9 assigned to the storage belt 6.
  • the guide section 9 is formed by the guide means 7.1 and 7.2, which form a fiber inlet gap 8 on an upper side opposite to the drawing-off nozzle 1.
  • the guide means 7.1 is arranged on a belt outlet side 10 and the guide means 7.2 on the opposite belt inlet side 11.
  • the guide means 7.1 and 7.2 are thereby replaced by because a rotatably mounted roller 12.1 and 12.2 formed.
  • the roller 12.1 on the belt discharge side 10 and the roller 12.2 on the belt inlet side 11 are each in frictional contact with the storage belt 6, so that the rotational movement of the rollers 12.1 and 12.2 is generated by friction by means of the conveying movement of the storage belt 6.
  • the roller 12.2 lies directly on the surface of the storage belt 6 on or on a support material.
  • the roller 12.1 on the belt discharge side 10 forms with the top of the storage belt 6 a forming gap 19, through which a non-woven 21 is deposited and formed.
  • the formed on the top of the rollers 12.1 and 12.2 fiber inlet gap 8 is compared to the space 17 through the roller shells of the rollers 12.1 and
  • the intermediate space between the rollers 12.1 and 12.2 forms the guide section 9, in which the fiber stream blown in via the fiber inlet gap 8 is guided onto the storage belt 6 for depositing.
  • the guide portion 9 extends to the top of the storage belt 6, wherein the rollers 12.1 and 12.2 each make a shield against the environment. Due to the direct frictional contact between the rollers 12.1 and 12.2 and the storage belt 6 and the fleece Oberfizze the nonwovens 21, a seal against external air is achieved.
  • the rollers 12.1 and 12.2 each have a perforated roll shell 13 which is gas-permeable.
  • a pressure chamber is provided in each case, which is connected via an air connection 15 with a suction source 16 or a pressure source 18.
  • the inner pressure chamber 14 of the roller 12.2 is coupled to the suction source 16.
  • a suction effect which is uniform on the roll shell 13 is produced, which leads to the deflection and guidance of the fibers 20 within the guide section 9.
  • the deflection of the fibers 20 within the guide section 9 is also increased by the fact that the pressure chamber of the roller 12.2 is coupled to a pressure source 18. This can be on the roll shell 13 of the roller 12.2 produce a uniform blowing flow.
  • the discharge nozzle 1 is supplied with a delivery fluid.
  • a conveying fluid preferably a compressed air source of compressed air is used, which flows with an overpressure in the range of 0.1 to 5 bar preferably in a range of 0.5 to 3 bar pressure in the delivery channel 5.
  • the fiber strands 20 threaded into the conveying channel 5 via the fiber inlet 2 are continuously drawn off from a spinning device not shown here.
  • the spinning device the fibers are previously melt-spun from a polymer material in a row-like arrangement and subsequently cooled.
  • the fiber strands 20 are accelerated by the conveying fluid and blown out through the fiber outlet 3 as a fiber flow into the free space 17.
  • the fiber stream which is composed of the fibers and the conveying fluid, is thereby blown vertically through the fiber outlet 3 in the direction of the storage belt 6.
  • the fiber stream with the fiber strands 20 is blown into the fiber inlet gap 8 formed by the guide means 7.1 and 7.2. Due to the shape and design of the guide section 9 and the guide means 7.1 and 7.2, the fiber flow is guided in the direction of storage belt 6.
  • the fiber strands 20 impinge on the depositing belt 6 with an angle of incidence desired by influencing the fiber flow and form on the surface of the depositing belt 6 the fleece 21 which is continuously removed from the depositing belt 6 in the conveying direction.
  • the device according to the invention as well as the method according to the invention thus make possible a uniform and reproducible web deposition, which can be controlled even at high fiber speeds.
  • the advantages of the high stretching, which are known by the blowing out of the fiber stream into a free space, as well as the storage mechanisms which are known per se only in closed systems, are advantageously combined by the invention.
  • FIG. 2 a further embodiment of the device according to the invention is shown.
  • the embodiment according to FIG. 2 is essentially identical to the exemplary embodiment described above, so that reference is made to the aforementioned description and only the differences are explained below.
  • the storage belt 6 associated guide means 7.1 and 7.2 are formed on the belt discharge side 10 by a roller 12.1 and on the wall inlet side 11 by a partition wall 27.
  • the adjusting wall 27 has in the lower region a flexible sealing lip 32, which rests with a free end on the surface of the storage belt 6 or a support material.
  • the partition wall 27 is pivotally supported on a support 28, wherein the pivoting movement of the partition wall 27 can be performed by an actuator 29.
  • the guide means 7.1 arranged on the opposite wall run-off side 10 is formed by the roller 12.1, which is designed substantially identical to the roller shown in FIG.
  • the Roller 12.1 is rotatably mounted on a bearing carrier 25.
  • the bearing carrier 25 is held by a holder 26, wherein the bearing carrier 25 is formed on the holder 26 both vertically and horizontally adjustable.
  • the size of the shaping gap 19 between the depositing belt 6 and the roller 12.1 and on the other hand, the guide portion 9 between the partition wall 27 and the roller 12.1 change.
  • the draw-off nozzle 1 are arranged directly on the side of the fiber outlet 3 on each side of a respective guide 33.1 and 33.2.
  • the guide means 33.1 and 33.2 are in this case formed by pivotable guide strips which are pivotally held on the underside of the drawing-off nozzle.
  • a suction device 31 is arranged on the underside of the storage belt 6.
  • the suction effect of the suction device 31 is limited to the storage area of the guide section 9.
  • the suction device 31 has an adjustable mammal opening 34, which is assigned directly to the storage area on the storage belt 6.
  • the mammal opening 34 is in this case formed between two slidably arranged cover plates 35.1 and 35.2. Each of the cover plates 35.1 and 35.2 can be moved horizontally relative to each other.
  • the pressure chamber 14 is also connected within the roller 12.2 with a suction source, so that prevails on the roll shell 13, a suction flow.
  • a suction flow This can be a deflection of the fiber flow in the direction of the roller 12.1 produce, so that a gentle deposition of the fibers occurs even at very high fiber speeds.
  • Fig. 3 a further exemplary embodiment of the device according to the invention is shown schematically in a cross-sectional view. The structure and function of the exemplary embodiment is substantially identical to the exemplary embodiment according to FIG. 1, so that reference is made to the aforementioned description and only the differences will be explained at this point.
  • the guide means 7.1 and 7.2 associated with the storage belt 6 for forming the guide section 9 are each formed by a rotatable roller 12.1 and 12.2.
  • Each of the rollers 12.1 and 12.2 is held by a bearing carrier 25 and a holder 26.
  • the bearing carrier 25 is 6 adjustable in each case on the holder 26 in the conveying direction of the storage belt 6 and against the conveying direction of the storage belt.
  • the bearing carrier 25 of the roller 12.1 is additionally designed to be adjustable in the vertical direction for setting a shaping gap 19 between the roller 12.1 and the storage belt 6.
  • each roller 12.1 and 12.2 respectively ferromagnetic means 22 and a magnet 23 are assigned.
  • the design of the ferromagnetic means 22 and the magnet 23 is identical to each roller 12.1 and 12.2, so that the embodiment is explained in more detail using the example of the roller 12.1.
  • the ferromagnetic means 22 is formed directly by the roll shell 13, which consists of a ferromagnetic material.
  • a magnetic carrier 36 which extends substantially over the entire bandwidth and which carries the beam-shaped magnet 23.
  • the magnet 23 is preferably formed by an electromagnet, which by magnetization magnetization and thus an attraction force against the roll shell 13 exerts.
  • the roll shell 13 of the roller 12.1 is thus tightened in the direction of the storage belt 6.
  • a pressing force acting between the roller 12.1 and the depositing belt 6 builds up, which acts directly on the nonwoven 21 in the forming gap 19. acts.
  • the energization of the electromagnet 23 is chosen such that on the one hand a sufficient seal against outside air and on the other hand no damage to the web 21 occur.
  • the roller 12.2 is attracted in the same manner by a jacket 13 formed of ferromagnetic material and the second arranged on the bottom of the storage belt 6 magnet 23, so that the roll shell 13 is held directly on the surface of the storage belt 6 and leads to a sealing of the guide section 9 between the rollers 12.1 and 12.2.
  • the pressure chamber 14 formed in the roller 12.1 is connected to a pressure source and the pressure chamber formed in the roller 12.2 is connected to a suction source.
  • a substantially vertical storage of the fiber strands 20 on the storage belt 6 is achieved.
  • two guide means 33.1 and 33.2 are directly associated with the fiber outlet 3 of the draw-off nozzle 1, wherein the guide means 33.1 and 33.2 are each formed by freely rotatable rollers which are adjustable in their position in and counter to the conveying direction of the storage belt.
  • FIG. 4 shows a further alternative to the device shown in FIG. 3, wherein the holder of the rollers 12.1 and 12.2 is not shown in greater detail.
  • the ferromagnetic means 22 are each formed by an iron roller 37, which in the interior of the roller 12.1 or the
  • Roller 12.2 is rotatably arranged. Through the on the bottom of the filing 6 arranged magnet 23, the iron roller 37 is tightened in the direction of the storage belt 6 and leads to the secure installation of the roller 12.1 at the top of the web 21 and a secure system of the roller 12.2 at the top of the storage belt 6.
  • the roller 12.1 on the Band drain page 10 associated magnet is designed as an electromagnet 23 which is controlled via a control unit 38 and a control device 39.
  • the control device 39 can be given process data such as fiber cross sections and basis weight or web thickness.
  • a current variable is determined from the process parameters, which is specified via the control unit 38 for energizing the electromagnet 23.
  • the energization of the electromagnet 23 leads to an attractive force and thus to a pressing force between the roller 12.1 and the storage belt 6, which is adapted to the respective process parameters.
  • the storage belt 6 and the guide means 7.1 and 7.2 are arranged together on a lifting table 30.
  • a conveyor roller 40 of the storage belt 6 is supported on the lifting table 30 via a roller carrier 41.
  • the lifting table 30 is designed to be height-adjustable in the direction of the draw-off nozzle 1, so that the storage height, which extends between the draw-off nozzle 1 and the storage belt 6, is variable.
  • the path formed by the free space 17 can be used to adjust the installation height.
  • plant heights in the range of 50 to 500 mm are set in the device according to the invention.
  • the trigger nozzle could be made height adjustable.
  • FIGS. 1 to 4 are exemplary in the construction and arrangement of the guide means. It is essential here that the fibers are guided shortly before impinging on the storage belt by a guide section closed from the storage belt.
  • Suitable guide means which allows a stable and reproducible guidance and storage of fiber strands.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L’invention concerne un dispositif et un procédé de dépose de fibres synthétiques sur un non-tissé, les fibres synthétiques étant soufflées à travers une buse de décharge sous forme de flux de fibres dans un espace libre dans la direction d’un tapis de dépose. Selon l’invention le flux de fibres est guidé avant d’atterrir sur le tapis de dépose par une section de guidage constituée entre deux moyens de guidage, l’un des moyen de guidage étant disposé sur un côté de sortie du tapis et le moyen de guidage opposé sur un côté d’entrée du tapis, formant ainsi une fente d’entrée des fibres ouverte pour entrer dans la section de guidage à une certaine distance de la buse de décharge, et la section de guidage s’étendant jusqu’au tapis de dépose.
EP06792442A 2005-10-26 2006-10-24 Dispositif et procédé de dépose de fibres synthétiques sur un non-tissé Withdrawn EP1941090A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005051244 2005-10-26
PCT/EP2006/010234 WO2007048575A1 (fr) 2005-10-26 2006-10-24 Dispositif et procédé de dépose de fibres synthétiques sur un non-tissé

Publications (1)

Publication Number Publication Date
EP1941090A1 true EP1941090A1 (fr) 2008-07-09

Family

ID=37667368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06792442A Withdrawn EP1941090A1 (fr) 2005-10-26 2006-10-24 Dispositif et procédé de dépose de fibres synthétiques sur un non-tissé

Country Status (4)

Country Link
US (1) US20080256757A1 (fr)
EP (1) EP1941090A1 (fr)
CN (1) CN101297074A (fr)
WO (1) WO2007048575A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2008087193A2 (fr) * 2007-01-19 2008-07-24 Oerlikon Textile Gmbh & Co. Kg Appareil et procédé pour déposer des fibres synthétiques et former une bande non tissée
EP2630287B1 (fr) * 2010-10-21 2016-02-24 Hi Tech Textile Holding GmbH Procédé et dispositif de fabrication d'un non-tissé composite
WO2017038977A1 (fr) * 2015-09-03 2017-03-09 東レ株式会社 Procédé de fabrication et dispositif de fabrication de non-tissé filé-lié
EP3173217B1 (fr) 2015-11-24 2022-08-24 Airbus Defence and Space GmbH Dispositif et procédé de fabrication d'un composant en fibres composites
IT201700039893A1 (it) * 2017-04-11 2018-10-11 Technoplants S R L Sistema di trasporto di fibre per un impianto per l'ottenimento di un tessuto non tessuto
DK3771762T3 (da) * 2019-07-30 2021-08-30 Reifenhaeuser Masch Indretning og fremgangsmåde til fremstilling af et vliesstof af fibre
CN111501138A (zh) * 2020-04-30 2020-08-07 巢湖雅戈尔色纺科技有限公司 一种抓棉机的抓棉机构

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DE4312419C2 (de) * 1993-04-16 1996-02-22 Reifenhaeuser Masch Anlage für die Herstellung einer Spinnvliesbahn aus aerodynamischen verstreckten Filamenten aus Kunststoff
US6183684B1 (en) * 1994-12-15 2001-02-06 Ason Engineering, Ltd. Apparatus and method for producing non-woven webs with high filament velocity
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BR0115488A (pt) * 2000-11-20 2004-02-17 3M Innovative Properties Co Método para fabricação de fibras, aparelho para formação de fibras, e, tela não tecida
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Also Published As

Publication number Publication date
WO2007048575A1 (fr) 2007-05-03
CN101297074A (zh) 2008-10-29
US20080256757A1 (en) 2008-10-23

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