EP3110997B1 - Dispositif de cardage et procédé de cardage - Google Patents

Dispositif de cardage et procédé de cardage Download PDF

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Publication number
EP3110997B1
EP3110997B1 EP15708466.6A EP15708466A EP3110997B1 EP 3110997 B1 EP3110997 B1 EP 3110997B1 EP 15708466 A EP15708466 A EP 15708466A EP 3110997 B1 EP3110997 B1 EP 3110997B1
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EP
European Patent Office
Prior art keywords
web
installation
card
profile
carding
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EP15708466.6A
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German (de)
English (en)
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EP3110997A1 (fr
Inventor
Andreas Meier
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Autefa Solutions Germany GmbH
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Autefa Solutions Germany GmbH
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/10—Carding machines with other apparatus, e.g. drafting devices, in integral or closely-associated combination
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/40—Feeding apparatus
    • D01G15/42—Feeding from laps
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • 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
    • D04H18/02—Needling machines with needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets

Definitions

  • the invention relates to a carding device and a carding process with the features in the preamble of the main process device claim.
  • Carding devices of this type are known from practice. They have a single card that produces and releases a fibrous web.
  • the fibrous web can be fed to a downstream nonwoven layer, which forms a multi-layer nonwoven, which is subsequently consolidated with a needle machine or the like. So the reveals EP 1 057 906 A1 an operating method and a nonwoven system with at least one nonwoven layer which folds a pile coming from a card into a multilayer nonwoven.
  • the fleece is profiled in cross-section with a profile-forming device and subsequently discharged to at least one consolidation device. Behind the outlet of the fleece layer, the density and profile of the fleece are determined using a measuring device. The profile-forming device is then set in accordance with these measured values to generate the desired fleece profile.
  • the invention solves this problem with the features in the main process device claim.
  • the carding technology claimed i.e. the carding device and the carding method have the advantage that the quality of the finished end product, in particular a consolidated fleece, can be influenced already in the carding process.
  • influences of the card on the fiber pile it releases, the so-called card pile can be specifically taken into account, in particular compensated.
  • a card of common design tends to produce a smile effect and thickened edges in the card pile that is delivered. This can be compensated for with the carding technology claimed and the profiling of the fiber pile supplied, the so-called pre-pile, so that the card pile produced has, for example, a constant pile thickness or a constant basis weight over the entire width and possibly also the length.
  • pre-pile the profiling of the fiber pile supplied
  • carded pile taking into account the carding influences, can also obtain another desired profile which is favorable for the subsequent processing process.
  • a constant pile thickness or a constant basis weight over the card pile width is advantageous for a subsequent laying process and the formation of a single or multi-layer fleece.
  • An exact layer closure in the fleece can be achieved.
  • the delivered fleece has a constant thickness or a constant basis weight over the length. This is favorable for the subsequent process and prevents vibrations and the associated manufacturing problems from occurring. In particular, undesirable inhomogeneities and corresponding defects in the end product can be reliably avoided. This applies to all nonwovens and especially for nonwovens with a very large laying width of more than 8 m, in particular 16 m and more, as well as for corresponding nonwoven layers, so-called paper felt layers.
  • the carding technology claimed is particularly suitable for such large laying widths.
  • the carding technology also enables a multi-stage increase in the laying width of the end product. This can be done on the basis of an initially narrow pre-pile, which the pile layer, in particular a stacker, widened significantly when laying down. As a result, the card web can already deliver a broad card web to the subsequent process, in particular the following fleece layer or paper felt layer.
  • the increased layer width also has a favorable effect on the homogeneity of the end product.
  • the influencing of the profile and the arrangement of the profile forming device in front of the pile layer and before the actual laying process has advantages with regard to influencing and exact setting of the profile formation in the pre-pile.
  • Location and size of the profile or thickness change can be freely and precisely determined within wide limits. This can take place in particular in several stages, which is particularly favorable for sensitive pre-floras.
  • stable and precisely controllable pre-pile profiling can be achieved.
  • a corresponding convex pre-pile profile is advantageous for compensating card influences.
  • the profile can be influenced at one or more points.
  • the profile of the pre-pile can already be created in the pile generator and / or in the area between the pile generator and pile layer, in particular in its inlet area. This is preferably done by local warping in the current low pile, which can be done by stretching and / or upsetting. These warping points created in the preliminary run can then be placed by the pile layer specifically on the laid and given off sheet, in particular on its edge areas. For this, training the pile layer as a stacker is advantageous.
  • the fault effects of the card can be compensated for in the manner mentioned by means of targeted profiling in the pre-pile fed by the pile layer. If necessary, the card pile profile emitted by the card can be set in a targeted manner. In all cases, the card influences are taken into account in the previous profiling of the fiber pile or pre-pile. This process can be controlled and, if necessary, also regulated, a suitable measuring device being arranged at a suitable point, in particular behind the card.
  • the carding technology claimed also has the advantage that the pile layer can lay down the slab with the same laying width. This is advantageous for the constant run of the pile layer and avoids problems with fluctuating pile lengths and pile speed, which are known from cross layers, with variable ones Working widths, eg according to the EP 1 009 871 B1 .
  • the claimed carding technology also allows the pre-laid card to be fed to the card at a constant speed by means of a compensation device arranged at a suitable point. Any speed fluctuations arising from the profile formation process can be compensated for here.
  • the card can work with an optimal efficiency.
  • undesirable changes in the pile thickness or the basis weight in the longitudinal direction of the pre-pile fed to the card can be avoided.
  • a nonwoven section between the pile layer and the card, which causes the stretched fabric to be stretched.
  • the fibers in the pile can be optimally aligned and the pre-pile can be evened out in the longitudinal direction or running direction.
  • the use of a nonwoven section also enables the downstream card to be downsized and, if necessary, structurally simplified.
  • the invention relates to a carding device (2) and a carding method for producing a fibrous web (3).
  • the invention further relates to a nonwoven system (1) and a production method for a single-layer or multi-layer fiber web (20), which is referred to below as a nonwoven. It is made from the above-mentioned fiber pile (3).
  • FIG 1 shows schematically a fleece system (1) with a carding device (2).
  • the carding device (2) is used to produce and deliver a fiber pile (3), which is referred to below as card pile.
  • the carding device (2) can be connected to other system components on the output side. In the embodiment shown, these can be, for example, a nonwoven layer (13) and a downstream processing device (15) for the nonwoven layer (20), which is preferably emitted by the nonwoven layer (13).
  • the card pile (12) can have adjustable properties. It preferably has an adjustable and selectable thickness profile (23) or a corresponding basis weight in the width direction or transversely to its pile running direction (18).
  • FIG 1 are various pile profiles (21, 22, 23) with hatching that arise in the carding process shown.
  • the profile (23) of the card pile (12) is preferably uniform over the width or rectangular in cross section.
  • the pile profile in the longitudinal direction of the running card pile (12) can also be set as desired.
  • the carding device (2) has a pile generator (5), a pile layer (7) and a card (6) which are arranged one behind the other in a pile running direction (18).
  • the carding device (2) also has a profile forming device (8) which is arranged upstream of the pile generator (5).
  • the carding device (2) can also have further components (9, 10, 11), which may be interposed or connected downstream.
  • the pile generator (5) produces a single-layer or multi-layer fiber pile (3), which is referred to below as the pre-pile.
  • the pile generator (5) can e.g. be designed as a card and have an upstream feeder (4) or another suitable processing device for fibers.
  • the pile generator (5) can also be designed as an air-lay device or in any other suitable manner.
  • the pile layer (7) places the pre-pile (3) supplied by the pile generator (5) in one or more layers on top of one another on its discharge conveyor (17) and forms a laid pre-pile (3 ').
  • This laid fiber web or pre-web (3 ') is also referred to as a pre-fleece.
  • the pile layer (7) is preferably designed as a cross-layer, which deposits the supplied sheet (3) on its running discharge conveyor (17), which is oriented transversely or obliquely to the sheet feed direction (18) and thereby zigzags to the laid sheet (3 ') .
  • Figure 1 shows this layer formation in the fleece (20).
  • the pile layer (7) preferably places the pre-pile (3 ') with a constant laying width.
  • the flora can be laid with an exact layer closure.
  • the front edge of a subsequent layer can connect exactly to the rear edge of a previously laid pile layer or come to lie above it.
  • the pre-pile (3) given off by the pile generator (5) can, for example, be the in Figure 1 schematically represented pile profile (21) with thickened edges, ie the so-called smile effect. These thickened edges can be compensated in the pile layer (7). This can be achieved, for example, by forming a preliminary fleece (3 ') with a large number of layers, for example 20 layers or more, and correspondingly small layer angles.
  • the sheet (3) supplied can have a very small thickness.
  • the pile layer (7) is designed, for example, as a belt layer with several, for example two, reversibly driven main carriages and a plurality of endless and revolving driven conveyor belts guided over the main carriages.
  • the two upper and lower main carriages are also referred to as upper carriages and laying carriages.
  • the pile layer (7) can also have one or more auxiliary carriages, in particular tensioning carriages, over which at least one conveyor belt is also guided in each case.
  • the conveyor belts hold the ruffled sheet (3) between them at least in some areas, holding and guiding it on the bottom and top. This conveyor belt area extends in particular between the main car.
  • the main carriages and possibly auxiliary carriages are movably supported and guided in a machine frame and are coupled in a suitable manner, wherein they move back and forth over the discharge conveyor (17), for example a discharge belt.
  • the main carriages preferably perform a smooth movement, in which they each move in the same direction and with different speeds and different path lengths. Their direction of movement is preferably oriented transversely to the delivery conveyor (17).
  • Such a pile layer (7) is, for example, according to the DE 10 2004 063 401 A1 or EP 0 865 521 B1 or EP 0 517 568 A1 educated.
  • the profile forming device (8) is used to profile the slab (3) and is arranged in front of the pile layer (7) or before the laying process.
  • the profile formation device (8) can be controlled or regulated. It can also be used to avoid edge thickening in the laid sheet (3 ').
  • the profile-forming device (8) generates variable thicknesses in the running roving (3), which extend across its width and have a defined position and length on the running pile web in the longitudinal direction. The variable thicknesses are generated with a defined advance before the laying process in the pile layer (7), so that after the pile placement, they are located at the desired locations of the laid pile (3 '), in particular at the edge regions on both sides thereof.
  • the changes in thickness are preferably thin spots in the pre-pile (3).
  • the thin spots are preferably produced by targeted stretching of the running low pile (3).
  • Figure 1 and 2nd show a first variant, in which the profile-forming device (8) is designed as a controllable or regulatable stretching device for the slab (3).
  • the profile forming device (8) is arranged in the area between the pile generator (5) and pile layer (7). In the exemplary embodiment shown, it is located in the inlet area (16) of the pile layer (7) and in front whose main car.
  • a stretching device (8) has according to Figure 2 preferably two or more stretching sections (19) which are arranged one behind the other in the pile running direction (18).
  • the stretching sections (19) each have a pair of deliverable rollers and / or belt sections.
  • Such a profile formation device (8) can, for example, according to the WO 02/101130 A1 be trained.
  • Another possible training is according to the EP 1 285 982 A1 or the EP 0 659 220 B1 , in which case the stretching device is located in a conveying area between the pile generator (5) and the pile layer (7).
  • the profile-forming device in particular a stretching device (8), can also have only one stretching section.
  • the stretching section or sections (19) are formed between clamping points of the pre-pile (3).
  • Figure 1 also illustrates in a broken line a variant in which the profile-forming device (8) is alternatively or additionally arranged in the pile generator (5).
  • thin spots or thick spots in the pile can be formed in different ways, for example by changing the distance between a doffer and a cardboard reel, by condenser rollers or by varying the doffing speed of the doffer.
  • Such a pile generator (5) with an integrated profile forming device (8) can, for example, according to the WO 99/24650 A1 or the EP 0 315 930 A1 be trained.
  • the profile-forming device (8) can be arranged in the pile layer (7) and the thickness profile (22) or the basis weight profile of the preliminary fleece (3 ') when the preliminary pile (3) is deposited on the Form delivery conveyor (17).
  • the outfeed speed of the slab (3) on the laying carriage and the traveling speed of the laying carriage are set differently from one another.
  • Such a profile formation device (8) can, for example, according to the EP 0 315 930 A2 , EP 0 609 907 B1 or EP 0 521 973 A1 be trained.
  • an education according to the aforementioned EP 0 659 220 A1 possible. In these cases, the profile forming device (8) is assigned to the pile layer (7).
  • the profile forming device (8) is controlled or regulated depending on the behavior of the following card (6).
  • edge thickenings in the card pile (12) which are formed by the card (6) by centrifugal forces, fiber flight or the like, are compensated for as a preventive measure.
  • the pile layer (7) emits a preliminary fleece (3 ') with a pile profile (22) which is matched to the aforementioned disturbing influences or carding errors.
  • This is a pile profile (22) in the width direction or in the cross section of the laid sheet (3 ').
  • This pile profile (22) can, for example, the in Figure 1 shown flat, substantially rectangular cross-sectional shape with thinned edges or the convex bulging cross-sectional shape shown in dashed lines. In this way, the smile effect of the card (6) is compensated for in the desired degree.
  • the profile formation can be such that the card (6) a card pile (12) with the in Figure 1 emits constant basis weight or thickness profile (23) shown over the width.
  • the cross-sectional profile (23) of the card pile (12) looks different and has, for example, the convex shape shown in broken lines.
  • the card pile (12) has a cross-sectional profile (23) in which the card card influences are taken into account and compensated.
  • the compensation can be complete or partial. In extreme cases, compensation can also be an increase in the smile effect if this makes sense for the subsequent process.
  • the shown and preferred cross-sectional profile (23) with constant pile thickness or constant basis weight is advantageous for the subsequent laying process and in particular for particularly large laying widths.
  • the carding device (2) has a measuring device (11) which is arranged downstream of the card (6) and which measures the pile profile (23) of the card pile (12) emitted in the transverse direction and / or in the longitudinal direction. You can capture the pile thickness and / or the weight per unit area in any suitable manner. This can e.g. by means of a weighing process, a thickness measurement by radiation refraction or scattering or the like, as well as with contact or without contact.
  • the measuring device (11) is connected to the profile forming device (8) for its regulation.
  • a suitable control can be interposed, which can be designed as a separate control or which can be integrated as a control module in the profile-forming device (8) and / or the measuring device (11).
  • the other components of the carding device (2) and possibly the fleece system (1) can also be connected to the control.
  • the carding device (2) can also have a compensating device (9), which is provided to even out the pile running speed of the laid sliver (3 ') fed to the card (6) and is trained.
  • a compensating device (9) can be arranged, for example, between the delivery conveyor (17) and the card (6). It can be used, for example, as a compensation band with variable sag according to the EP 1 643 022 B1 be trained.
  • the compensating device (9) can be integrated in the pile layer (7).
  • a variant provides for an enlarged travel path of the upper main carriage of the pile layer (7) and can correspond to the WO 2004/013390 A1 be designed.
  • the compensating device (9) in the delivery conveyor (17), in particular in its end region.
  • the compensating device (9) can be used to compensate for the fluctuations in the web speed generated by a stretching device (8).
  • a fluctuating pile delivery of the delivery conveyor (17) can be compensated for due to the reversing main carriage of the pile layer (7).
  • the card (6) can thus be fed to the laid sheet (3 ') at a constant conveying speed.
  • a nonwoven section (10) between the pile layer (7) and the card (6). This causes e.g. a reorientation of the fibers in the laid low pile (3 ') due to a multiple arrangement of garnished rollers driven at different speeds.
  • the laid sheet (3 ') is thereby made more uniform and stretched with regard to its fiber orientation.
  • the garnished rolls can e.g. be arranged in pairs or triplets.
  • the nonwoven section (10) brings about a similar dissolution of the fiber composite produced during cross laying as it also takes place in the card (6). On the other hand, this enables a corresponding reduction in size of the card (6) and its Components.
  • the card (6) has, for example, a rotating reel and one or more customers and, if appropriate, further rollers or drums.
  • the card (6) can form one or more individual webs and can produce the card web (12) therefrom.
  • the card (6) has a suitable conveying device for dispensing the single or multi-layer card pile (12), on which the aforementioned measuring device (11) can also be arranged.
  • the conveyor device On the output side, the conveyor device can be connected to a further component of a fleece system (1).
  • the carding device (2) can be manufactured and installed independently. It can be used instead of a conventional card and can be retrofitted to an existing fleece system (1). On the other hand, it can be integrated in a new fleece system (1).
  • Another component of the nonwoven system (1) can, for example, that in Figure 1 illustrated fleece layer (13), which deposits the card pile (12) fed from the card (6) into a single-layer or multi-layer fleece (20) on its delivery conveyor (17).
  • the non-woven layer (13) can be designed as a cross-layer, in which the delivery conveyor (17), for example a deposit belt, is aligned transversely or obliquely to the pile feed direction (18).
  • the formation of the fleece is preferably carried out with an exact layer closure.
  • the laying width of the fleece layer (13) can be selected. In particular, it can be very large and 8 m or more, in particular 16 m or more. Such a fleece layer (13) is called a paper felt layer.
  • the laying width of the fleece layer (13) can be larger, in particular much larger than the laying width of the pile layer (7). In this way, starting from a narrow pre-pile (3) of the pile generator (5) over a number of stages The width of the pile and the laying width of the laid low pile (3 ') and the fleece (20) was achieved.
  • the fleece layer (13) can be designed in the same or similar manner as the pile layer (7). It can be designed in particular as a belt layer with a plurality of reversibly driven main carriages and, if appropriate, coupled auxiliary carriages, in particular support and tensioning carriages, and a plurality of endless and revolving driven conveyor belts guided above them.
  • the conveyor belts take the card web (12) between them at least in some areas, holding and guiding it, especially in the area between the main carriages.
  • a profile-forming device (not shown) can also be assigned to the fleece layer (13), which enables the fleece (20) to be profiled as required in the transverse direction and, if appropriate, also in the longitudinal direction. In this way, on the one hand, the aforementioned edge thickening of a deposited pile or fleece (20) can be avoided.
  • a fleece (20) with a constant thickness or a constant weight per unit area can be produced over the width and possibly also over the length.
  • other profiles of the fleece (20) over the width and / or the length are also possible.
  • the processing device (15) can be, for example, a consolidation device for the fleece (20), which is designed, for example, as a needle machine or water jet consolidation device.
  • processing device (15) can also be formed in several parts.
  • the processing device (15) can also be formed in several parts.
  • meltblown fibers can be applied to create insulation material. These fibers are very thin.
  • Such a meltblown application device can also be arranged instead of the fleece layer (13) or can be connected upstream of it in a further variation.
  • a compensating device (14) between the fleece layer (13) and the subsequent processing device (15).
  • This can be designed in accordance with the compensating device (9), it can be integrated into the fleece layer (13) or can be arranged between the fleece layer (13) and the processing device (15).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (15)

  1. Dispositif de cardage pour la fabrication d'un voile de carde (12) comprenant une carde (6), le dispositif de cardage (2) comprenant un générateur de voile (5) pour un voile de fibres (3), notamment un voile de départ, un monteur de voile (7) agencé en aval, et une carde (6) le suivant, un dispositif de profilage (8) pour le voile de fibres (3) pouvant être commandé ou réglé précédant ou étant associé avec le monteur de voile (7), le dispositif de profilage (8) étant commandé ou réglé en fonction du comportement de la carde (6).
  2. Dispositif de cardage selon la revendication 1, caractérisé en ce que le dispositif de profilage (8) est commandé ou réglé de telle sorte que le monteur de voile (7) délivre un voile de départ nappé (3') ayant un profil de voile qui compense préventivement des épaississements en bordure, qui sont formés par la carde (6) dans le voile de carde (12).
  3. Dispositif de cardage selon la revendication 1 ou 2, caractérisé en ce que le dispositif de cardage (2) comprend un dispositif de mesure (11), qui est agencé en aval de la carde (6) et mesure le profil de voile, notamment le poids surfacique ou l'épaisseur de voile, dans la direction transversale et/ou la direction longitudinale du voile de carde (12).
  4. Dispositif de cardage selon la revendication 3, caractérisé en ce que le dispositif de mesure (11) est relié avec le dispositif de profilage (8) pour son réglage.
  5. Dispositif de cardage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de profilage (8) est agencé dans la zone entre le générateur de voile (5) et le monteur de voile (7) ou dans le générateur de voile (5).
  6. Dispositif de cardage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de profilage (8) est configuré sous la forme d'un dispositif d'étirement pouvant être commandé ou réglé pour le voile de départ (3).
  7. Dispositif de cardage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de cardage (2) comprend un dispositif d'égalisation (9), qui est prévu et configuré pour l'uniformisation de la vitesse de déplacement de voile du voile de départ nappé (3') introduit dans la carde (6) .
  8. Unité de production de non-tissé comprenant un dispositif de cardage (2) pour la fabrication d'un voile de carde (12), et comprenant un étaleur-nappeur (13) agencé en aval pour le nappage d'un non-tissé mono- ou multicouche (20), caractérisée en ce que le dispositif de cardage (2) est configuré selon au moins l'une quelconque des revendications 1 à 7.
  9. Unité de production de non-tissé selon la revendication 8, caractérisée en ce que l'étaleur-nappeur (13) est raccordé avec un dispositif d'usinage (15) agencé en aval, notamment un dispositif de consolidation, pour le non-tissé délivré (20).
  10. Unité de production de non-tissé selon l'une quelconque des revendications 8 ou 9, caractérisé en ce que l'étaleur-nappeur (13) présente une largeur de nappe plus grande que le monteur de voile (7).
  11. Procédé de fabrication d'un voile de carde (12) comprenant une carde (6), un voile de fibres, notamment un voile de départ (3), étant généré par un générateur de voile (5) d'un dispositif de cardage (2), et introduit dans un monteur de voile (7) agencé en aval et une carde (6) le suivant, le voile de fibres, notamment le voile de départ (3), étant profilé dans un dispositif de profilage (8) pouvant être commandé ou réglé précédant ou étant associé avec le monteur de voile (7), le dispositif de profilage (8) étant commandé ou réglé en fonction du comportement de la carde suivante (6).
  12. Procédé selon la revendication 11, caractérisé en ce que le profil de voile du voile de carde délivré (12) est mesuré dans la direction transversale et/ou dans la direction longitudinale avec un dispositif de mesure (11) agencé en aval de la carde (6), et le dispositif de profilage (8) est ensuite éventuellement commandé ou réglé.
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce qu'un voile de carde (12) ayant un profil ajustable sur la largeur et éventuellement également la longueur est délivré par le dispositif de cardage (2).
  14. Procédé selon l'une quelconque des revendications 11 à 13, caractérisé en ce que le profil (21) du voile de fibres, notamment du voile de départ (3), est généré dans le générateur de voile (5) et/ou dans la zone entre le générateur de voile (5) et le monteur de voile (7), notamment dans sa zone d'entrée.
  15. Procédé selon l'une quelconque des revendications 11 à 14, caractérisé en ce que le voile de fibres nappé, notamment le voile de départ (3'), est étiré dans une section de non-tissé (10) agencée entre le monteur de voile (7) et la carde (6).
EP15708466.6A 2014-02-27 2015-02-26 Dispositif de cardage et procédé de cardage Active EP3110997B1 (fr)

Applications Claiming Priority (2)

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DE202014100908.6U DE202014100908U1 (de) 2014-02-27 2014-02-27 Kardiereinrichtung
PCT/EP2015/053961 WO2015128391A1 (fr) 2014-02-27 2015-02-26 Dispositif de cardage et procédé de cardage

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CN107034587A (zh) * 2017-05-15 2017-08-11 常州维盛无纺科技有限公司 超低基重无纺布的双向梳理铺网装置及多层铺网成型系统
DE102017126753A1 (de) * 2017-11-14 2019-05-29 Autefa Solutions Germany Gmbh Überwachungstechnik für Vliesfabrikationsanlagen
FR3081885B1 (fr) 2018-05-31 2020-09-11 Andritz Asselin Thibeau Systeme de formation d’une nappe de fibres
DE102019104851A1 (de) 2019-02-26 2020-08-27 Adler Pelzer Holding Gmbh Vorrichtung zur Herstellung von Nadelvliesen

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DE202014100908U1 (de) 2015-05-28
US20160362818A1 (en) 2016-12-15
CN106062266B (zh) 2020-01-14
US10443155B2 (en) 2019-10-15
WO2015128391A1 (fr) 2015-09-03
EP3110997A1 (fr) 2017-01-04
CN106062266A (zh) 2016-10-26

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