EP1532302B2 - Procede et dispositif de distribution de voile - Google Patents

Procede et dispositif de distribution de voile Download PDF

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Publication number
EP1532302B2
EP1532302B2 EP03766219A EP03766219A EP1532302B2 EP 1532302 B2 EP1532302 B2 EP 1532302B2 EP 03766219 A EP03766219 A EP 03766219A EP 03766219 A EP03766219 A EP 03766219A EP 1532302 B2 EP1532302 B2 EP 1532302B2
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EP
European Patent Office
Prior art keywords
web
speed
carriage
laying machine
laying
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Expired - Lifetime
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EP03766219A
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German (de)
English (en)
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EP1532302B1 (fr
EP1532302A1 (fr
Inventor
Manfred SCHÄFFLER
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Oerlikon Textile GmbH and Co KG
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Autefa Automation GmbH
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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
    • D04H18/00—Needling machines
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)

Definitions

  • the invention relates to a device and a method for fiber treatment with the features in the preamble of the independent claims 1 and 12.
  • Such a device and such a method for fiber treatment are known from WO 99/24650 A known.
  • the DE-A 43 04 988 shows a nonwoven with an upstream input side stretching device in which the velocities of the flor facilityden drives the unwoven are lifted or lowered uniformly compared to the constant Florabgabe für the upstream card.
  • the nonwoven layer can also have an integrated pile memory.
  • the invention solves this problem with the features of the independent claims 1 and 12.
  • By integrating the buffer device in the nonwoven layer it is possible to compensate for the externally generated fluctuating Florlauf füren in nonwoven and while doing with the existing space and possibly with the existing machine technology of the web layer. Additional equipment and buffering devices in front of or behind the nonwoven layer can be dispensed with. This makes it possible to retrofit existing fiber treatment plants with minimal effort or rebuild and also to produce and operate new plants at low cost.
  • an existing nonwoven layer can be used if it already has the necessary hardware. In this case, only the control for the affected thriving drives and the functions need to be changed and adapted. The design effort is minimal. Older nonwovens, which do not provide the necessary hardware requirements, can be exchanged for modernization of the fiber treatment plant against a new fleece laying with integrated buffer device while maintaining the existing construction and plant space.
  • the buffer device can be integrated into any types of non-wovens with at least two main carriages with conveyor belts and an inlet region with appropriate adaptation of their components and their kinematics. Particular advantages here are in so-called tape layers, in which the conveyor belts are guided in closed endless loops on both main cars and possibly also on auxiliary cars. Alternatively, the buffer technique can also be used in so-called. Wagenleger, in which the conveyor belts are each assigned to one of the main car and rotate only on this. For the formation of the buffer device in this case additional intermediate cars can be used. A integrated of the aforementioned type, buffer device is also possible with other types of nonwovens, eg camelbackers and the like.
  • the fleece layer upstream means for changing the Florlauf für and especially on the input side of the nonwoven laying pile infeed speed are delay devices in the form of stretching devices which have one or more stretch sections.
  • the buffer device integrated in the nonwoven layer makes it possible to deliver the nonwoven at the output side to the nonwoven layer at a substantially constant speed and to feed it to a downstream processing device, in particular a consolidation device or a needle machine.
  • the release rate is in this case between minimum and maximum value of the fluctuating Florlauf füren on the input side of the batt.
  • variable Florlauf füren and resulting in drafting different pile lengths takes place within the batt in the area between the two main cars and this in the area of the superstructure and between the main car via a variable length band section, at least temporarily an excess length to accommodate the increased pile length having.
  • the conveyor belts may have a correspondingly greater length than conventional nonwovens.
  • To create the variable-length tape sections of the superstructure is decoupled from the laying carriage and takes to accommodate larger pile lengths longer distances than normal, where he also drives with a correspondingly changed speed.
  • at the edge regions of the laying width of the laying carriage only those amounts of sheet are delivered and stored on the discharge belt, which correspond to his in this area on the braking and acceleration phases correspondingly reduced speeds.
  • FIG. 1 to 3 show a fiber treatment plant (1) in different embodiments and views.
  • the fiber treatment plant (1) consists in each case of at least one fleece layer (3) with an integrated buffer device (6).
  • part of the fiber treatment plant (1) may be an upstream pile producer (2), in particular a card or carding machine.
  • the pile producer (2) produces a pile consisting of loose fibers, preferably a single ply (8), which is fed to the fleece layer (3) via a pile feed (10).
  • the nonwoven layer (3) deposits the pile (8) in a scaly manner into a multilayer nonwoven (9) on its exit side draw-off strip (17).
  • the fiber treatment plant (1) may also comprise one or more processing devices for the fleece (9) connected downstream of the nonwoven layer (3).
  • this is a solidification device (4) in the form of a needle machine. Alternatively, it may be a thermal or water jetting solidifying device.
  • the nonwoven fabric (9) delivered by the draw-off belt (17) is fed to the solidification device (4) via its feed belt (18).
  • To the fiber treatment plant (1) may further include means (5) for changing the Florlauf für. This is a delay device for the pile (8).
  • the device (5) is connected upstream of the nonwoven layer on the input side.
  • FIG. 2 and 3 For this purpose, an embodiment in the form of a stretching device (5) for the pile is shown.
  • the stretching device (5) on the input side of the nonwoven layer (3) immediately upstream and integrated in the housing.
  • the normally usual infeed belt is hereby replaced by the stretching device (5).
  • the stretching device (5) can in this case also be integrated into the inlet region (15) of the nonwoven layer (3).
  • the stretching device (5) has two or more consecutively arranged stretching sections (23, 24), on which the pile (8) is guided between pinch rolls (25) or between clamping strip sections (not shown).
  • the pinch rolls (25) run in the drawing sections (23, 24) with increasing speed in sections, whereby the pile (8) is thinned and at the same time lengthened ,
  • FIG. 3 shows for this purpose a simpler variant of the stretching device (5), in which only two pairs of pinch rollers (25) are present, which may be distanced via a conveyor belt in the direction of flow direction (16).
  • this simplified embodiment there is only one stretch section (22) between the pinch roller pairs (25) which defines a draft length or stretch length x.
  • FIG. 2 shows for this purpose a simpler variant of the stretching device (5), in which only two pairs of pinch rollers (25) are present, which may be distanced via a conveyor belt in the direction of flow direction (16).
  • FIG. 2 shows for this purpose a simpler variant of the stretching device (5), in which only two pairs of pinch rollers (25) are present, which may be distanced via a conveyor belt in the direction of flow direction (16).
  • FIG. 2 shows for this purpose a simpler
  • the distortions formed in the pile (8) are deposited on the take-off belt (17) at the desired location after passing through the fleece layer (3). To ensure this, the location and time of the recovery are matched to the laying behavior of the fleece layer (3).
  • the stretching device (5) and in particular the drives M of the pinch rollers (25) and the clamping band sections are connected directly or indirectly to a controller (7) of the nonwoven layer (3).
  • the stretching device (5) can in this case have its own control, which is connected via corresponding lines to the controller (7) of the nonwoven layer (3).
  • the control of the stretching device (5) can be integrated in the controller (7) of the nonwoven layer in terms of hardware and / or software.
  • the nonwoven layer (3) is designed in the illustrated and preferred embodiments as a so-called.
  • Band layer its basic technique, for example, according to the WO 97/19209 is trained. It has two superimposed main cars (11,12), which are referred to as superstructure (11) and as laying carriage (12).
  • the nonwoven layer (3) has two or more auxiliary carriages (13, 14) which are coupled to the movements of the main carriages (11, 12).
  • the fleece layer (3) also has two conveyor belts (26, 27) guided in endless loops, both of which are guided via the two main carriages (11, 12) and also via the auxiliary carriages (13, 14).
  • the main cars (11,12) move back and forth over the transverse take-off belt (17), wherein the laying carriage (12) panels and deposits the pile on the take-off belt (17) to the multilayer web (9).
  • the travel lw of the laying carriage (12) is determined by the desired laying width.
  • the superstructure (11) moves to a large extent in about half way and at half the speed of the laying carriage (12).
  • the main cars (11,12) are decoupled in their movements from each other and are controlled by independent drives (not shown) in their driving movements of the controller (7).
  • the auxiliary carriages (13, 14) can be directly connected by means of connecting means, e.g. Cables, timing belts or the like. Be coupled to the movements of the associated main car (11,12) and move with these.
  • the auxiliary carriages (13, 14) may also have their own drives (not shown) connected to the controller (7).
  • the conveyor belts (26,27) each have a drive (not shown) at a suitable location, which gives them a rotational speed and is also connected to the controller (7).
  • the buffer device (6) includes a modified controller (7) for generating buffer kinematics of the florestden drives the main car (11,12) and the conveyor belts (26,27) and the trigger belt (17) and possibly also the independent drives of Auxiliary carriage (13,14).
  • the superstructure (11) carries out modified travel paths ow3, as described in the diagram of FIG. 5 are shown and explained in detail.
  • the conveyor belts (26,27) have a greater length than usual. Accordingly, the routes of the auxiliary carriage (13,14) can change.
  • the laying carriage (12) retains its driving movement and driving distance lw above the draw-off belt (17) to form the fleece (9) with the respectively desired laying width.
  • the conveyor belt (26) led out on the input side forms an inlet section (15) on which the infeed pile (8) is received on the input side and fed to the superstructure (11).
  • the second conveyor belt (27) is added, possibly with the formation of an inlet funnel, the two conveyor belts (26,27) then receive the pile (8) between them and lead on both sides to the laying carriage (12), where the Remove pile (8) again for storage on the draw-off belt (17).
  • the stripper (3) is in the preferred Embodiment, a so-called. Coordinated Leger, in which the two main cars (11,12) move in substantially the same direction, wherein the pile (8) in a band section directly from the upper carriage (11) to the laying carriage (12) is guided.
  • the nonwoven layer (3) can also be designed as so-called.
  • Opposing Leger in which the conveyor belts between the uppercarriage (11) and laying carriage (12) are still guided over a stationary deflection in the frame of the nonwoven layer (3). In an opposite Leger move the main car (11,12) in substantially opposite directions. This variant is not shown for the sake of clarity.
  • co-rotating stripper (3) shows FIG. 3 the right card-side end position of the laying carriage (12) at the edge of the desired laying width, here for example on the right edge of the draw-off belt (17).
  • This position is the so-called turning point at which the laying carriage (12) stops, changes its direction of travel and in moved back in the opposite direction.
  • FIG. 3 moves the laying carriage (12) from the inflection point back to the left on the discharge belt (17) in the direction of the arrow to the right back to the so-called rear.
  • FIG. 3 also shows the right cardinal end position and the turning point of the superstructure (11) with solid lines.
  • the left rear end position of the upper carriage (11) is in FIG. 3 also shown and illustrated by a dashed line.
  • FIG. 3 also shows the below explained maximum travel ow3 of the upper carriage (11).
  • the lay carriage (12) is shown for clarity only in its right end position on the card side. The left end position on the rear side is not shown.
  • the travel lw of the laying carriage (12) to achieve the desired laying width of the fleece (9) on the draw-off belt (17) is shown.
  • the laying carriage (12) maintains its substantially uniform movement over the laying width and moves in the effective laying area at a substantially constant speed, which is between the minimum and maximum values of the fluctuating pile in speeds with respect to a round trip period.
  • the shaded areas represent the amounts of fleece entering the fleece layer (3) at the pile infeed (15) and the laying carriage (12) on the drawstring (17).
  • the Flormengen or professionnintegrale must be the same during round-trip or period related, resulting in the function of the overall speed level of flor facilityden drives for the laying carriage (12) the required travel speed in the effective laying area, taking into account the most predetermined speed ramps in the brake and Acceleration phases Tu calculated at the turning points.
  • the stretching device (5) for a targeted local dilution and extension of the pile (8) which is then stored after passing through the batt (3) at the desired location on the draw-off belt (7) to form the desired nonwoven profile.
  • an extension may take place on the way back and forth of the main car (11,12), but the upper carriage (11) preferably by a corresponding control action of the controller (7) only a piece on the rearward turning point on the normal path ow1 or ow2 moves out and has a one-way extended pathway ow3.
  • the position of the turning points in the driving paths ow1, ow2 and ow3 is substantially the same, with a lateral offset to the center of the laying width to ensure the necessary distance to the co-axial laying carriage (12).
  • the cardinal inflection point can migrate in the direction of the rear side, with the rearward inflection point also correspondingly moving along. This requires an increased length of the nonwoven layer (3).
  • the normal travel path ow1 results when, with simple laying kinematics, the superstructure (11) always travels only half the path of the laying carriage (12) and moves in perfect sync with it. At both turning points of the laying carriage (12) then also the superstructure (11) stops. In this very simple kinematics edge thickening may arise at the edges of the laying area in the fleece (9), because in this laying kinematics of the pile (8) on the laying carriage (12) in the peripheral braking, stationary and acceleration phases despite reduced travel speed of the laying carriage with undiminished Speed escapes.
  • the nonwoven layer (3) has a so-called edge thickness compensation, eg according to EP-A 0 517 563 or EP-A 0 522 893
  • the two main cars (11,12) are decoupled in their kinematics.
  • the superstructure (11) then performs the both sides extended track ow2 according FIG. 5 out.
  • the superstructure (11) is in motion when the laying carriage (12) has reached its respective turning point.
  • the superstructure (11) receives the continuously fed pile in a correspondingly enlarged band section of the conveyor belts (26,27), the pile (8) on the laying carriage (12) only with a corresponding carriage carriage speed corresponding output speed and at the discharge belt ( 17) is stored.
  • the superstructure (11) moves at an increased speed relative to the laying carriage (12) and returns the temporarily stored pile (8), which is then deposited continuously by the laying carriage (12) on the draw-off belt (17).
  • the in FIG. 5 track ow2 shown the normal route.
  • variable pile lengths of the path ow3 of the upper carriage (11) is greater than the path ow2 in edge thickness compensation and is shifted on one or both sides.
  • excess driving the enlarged pile length in the band sections (28) is cached and then accelerated while driving in the opposite direction from the superstructure (11) passed to the laying carriage (12) and deposited by this according to the desired nonwoven profile on the draw-off belt (17) ,
  • FIG. 6 illustrates the different speed ratios in speed diagrams.
  • the speed is plotted against time and with reference to a half period for the so-called outward journey from the card side to the rear side.
  • the uppermost diagram indicates the speed conditions at the pile infeed or on the conveyor belt (26) in the inlet region (15).
  • Solid lines indicate in this case the speed which results when one or more distortions occur and in particular an extension of the pile at the stretching device (5).
  • This extension is generated at the device (5) by temporary increase in speed, which adjusts in the same way or at least proportionally also at the inlet region (15) and the local belt speed.
  • the normal distortion-free speed is represented by a dashed solid line.
  • the so-called card side, to the opposite rear side takes place, for example, a single stretch. This can be centered or eccentric to the laying width. Another connection can also take place on the way back, which is indicated in the further course of speed right from the rear inflection point.
  • the time T 1 is shown for the duration of the delay.
  • the switching times Tu for braking and accelerating the carriage movements explained below up to the point of inflection and standstill are shown.
  • the speeds of the upper carriage (11) are given.
  • the dot-dash line indicates the speeds of the upper carriage (11) when it performs conventional driving movements synchronously with the laying carriage and has no compensation. This speed corresponds to the path ow1 of FIG. 5 , It can be seen here that the superstructure (11) has the same absolute absolute values of speed on the way there and back. The speeds are given direction-dependent, whereby the speed on the way to a positive sign and on the way back has a negative sign.
  • Dashed lines show the speed curve of the upper carriage (11) in the case of a compensation of edge thicknesses, which corresponds to the travel path ow2 of FIG. 5 corresponds.
  • the uppercarriage has its turning point and zero crossing of the speed earlier than the laying carriage in the area of the card-end inflection point.
  • the superstructure is at rest of the laying carriage already back in motion and can record Flor for edge thickness compensation.
  • the uppercarriage (11) having its inflection point and zero crossing later than the laying carriage.
  • the speed of the upper carriage (11) on the way from the card to the rear side is lower than in the case of compensation-free travel.
  • the absolute value of the superstructure speed for edge thickness compensation is higher than without compensation.
  • the absolute value of the driving speed of the upper carriage (11) at delay compensation (ow3) greater than in the two cases described above without compensation or with edge thickness compensation. If, on the way back, there is also a delay and, in particular, an extension, the absolute value of the superstructure speed for distortion compensation is reduced at the same time. If it is also intended to work with simultaneous edge compensation in the distortion compensation according to the invention, the superstructure (11) in this case has the same inflection points and zero crossings as in the above-described example of the pure edge thickness compensation.
  • the superstructure (11) moves according to the diagram of FIG. 6 different speeds and different times.
  • the third diagram shows the speed ratios for the laying carriage (12), the dashed line illustrating the laying carriage speed when compensating for edge thicknesses. Solid lines show the speed for the compensation of variable file speeds and warps.
  • the third case of carriage carriage movement without compensation is illustrated by dotted lines. In all three cases, the laying carriage has the same turning point due to the laying width. On the way, the travel speed of the carriage (12) is the largest when compensating for delay (ow3). This also applies to the absolute value of the speed on the way back.
  • the absolute speed level for edge thickness compensation (ow2) is lower.
  • the absolute minimum speeds of the laying carriage (12) are the smallest, if no compensation takes place (ow1).
  • the lowest and last diagram of FIG. 6 shows speeds at the pile outlet of the laying carriage (12). This relates to the speed at which the pile (8) emerges from the laying carriage (12) and is deposited on the draw-off belt (17) to form the fleece (9).
  • the line assignment for the three different motion and compensation cases are the same as in the above diagrams. If the nonwoven layer (3) does not perform any compensation, the pile outlet speed is constant, resulting in the above-described edge thickening. In the case of the compensation of edge thicknesses (ow 2), the web exit speed behaves synchronously with the travel speed of the carriage, including its braking and acceleration phases Tu.
  • the speed level of the laying carriage Florauslaufs between the braking and acceleration phases is higher in the edge thickness compensation according to the increased laying carriage speed than in the above case without compensation.
  • the speed level of the Florauslaufs is even higher and also in sync with the speed behavior of the laying carriage (12). In both latter cases edge thicknesses are avoided.
  • FIG. 4 illustrates, the nonwoven layer (3) on the discharge side to a downstream processing device, in particular a solidification device (4) is connected.
  • This is a needle machine in the embodiment shown.
  • the fleece (9) is transferred from the draw-off belt (17) to a feed belt (18) of the needle machine (4).
  • the take-off belt (17) preferably carries out a conveying movement synchronous with the laying carriage (12).
  • the draw-off belt (17) moves accordingly in its transversely directed feed movement.
  • the feed belt (18) can run continuously, the kinematic differences arising at the turning points of the laying carriage (12) being taken up at the transfer and the gusset between the draw-off belt (17) and the delivery belt (18).
  • the controller (21) of the needle machine (4) is connected to the controller (7) of the web laying machine (3) and receives from this a conductance for the speed of the drive (20) of the conveyor belt (18).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Seeds, Soups, And Other Foods (AREA)

Claims (14)

  1. Installation pour traiter des fibres, comportant au moins un distributeur de non tissé (3) auquel est acheminé un voile (8) constitué de fibres depuis un générateur de voile (2), dans lequel une installation (5) pour modifier la vitesse d'avancée du voile, à savoir une installation pour déformer le voile (8), est placé à l'entrée en amont du distributeur de non tissé (3) et dans lequel le distributeur de non tissé (3) comporte au moins deux chariots principaux (11, 12) munis de bandes transporteuses (26, 27) et d'une zone d'entrée (15) et une installation intégrée d'amortissement (6) pour les vitesses variables d'avancée du voile, les déplacements des chariots principaux (11, 12) étant découplés, le chariot supérieur (11) parcourant un trajet ow3 plus long pour assurer l'amortissement, caractérisée en ce que l'installation de déformation (5) prend la forme d'une installation d'étirage comportant un ou plusieurs segments d'étirage (22, 23, 24) qui comportent des paires de cylindres (25) ou des segments de bande bloquants.
  2. Installation selon la revendication 1, caractérisée en ce que le chariot supérieur (11) se déplace à une vitesse de marche variable pratiquement proportionnelle à la vitesse d'avancée variable du voile.
  3. Installation selon la revendication 1 ou 2, caractérisée en ce que la bande transporteuse (26) qui se trouve dans la zone d'entrée (15) et qui entre sur le chariot supérieur (11) se déplace à une vitesse variable pratiquement proportionnelle à la vitesse d'avancée variable du voile.
  4. Installation selon la revendication 1, 2 ou 3, caractérisée en ce que le chariot distributeur (12) se déplace dans la zone de distribution entre les phases de freinage et d'accélération Tu du côté du bord pratiquement à une vitesse constante de marche.
  5. Installation selon la revendication 4, caractérisée en ce que la vitesse de marche du chariot distributeur (12) est déterminée par les longueurs modifiables du voile et est comprise entre les valeurs minimale et maximale de la vitesse d'avancée variable du voile.
  6. Installation selon l'une des revendications précédentes, caractérisée en ce que le distributeur de non tissé (3) prend la forme d'un distributeur de bande dans lequel les deux bandes transporteuses (26, 27) sont guidées en boucle sans fin grâce aux deux chariots principaux (11, 12).
  7. Installation selon l'une des revendications précédentes, caractérisée en ce que le distributeur de non tissé (3) comporte un ou plusieurs chariots auxiliaires (13, 14) pour les bandes transporteuses (26, 27).
  8. Installation selon l'une des revendications précédentes, caractérisée en ce que le distributeur de non tissé (3) prend la forme d'un distributeur synchrone, les deux chariots principaux (11, 12) se déplaçant dans le même sens.
  9. Installation selon l'une des revendications précédentes, caractérisée en ce qu'un segment de bande (28) à longueur variable et pourvu d'un excédent de longueur pour amortir le voile (8) est formé dans le distributeur de non tissé (3) par les bandes transporteuses (26, 27) dans la zone du chariot supérieur (11) et entre les chariots principaux (11, 12).
  10. Installation selon l'une des revendications précédentes, caractérisée en ce que le distributeur de non tissé (3) comporte une commande (7) pour entraîner les bandes transporteuses (26, 27) et les chariots principaux (11, 12), l'installation de déformation (5) en amont étant reliée à cette commande (7) .
  11. Installation selon l'une des revendications précédentes, caractérisée en ce que l'installation de déformation (5) se trouve entre le distributeur de non tissé (3) et un générateur de voile en amont.
  12. Procédé pour traiter des fibres, comportant au moins un distributeur de non tissé (3) qui comporte au moins deux chariots principaux (11, 12) munis de bandes transporteuses (26, 27) et d'une zone d'entrée (15), et auquel est acheminée un voile (8) constitué de fibres depuis un générateur de voile (2), dans lequel une installation (5) pour modifier la vitesse d'avancée du voile, à savoir une installation pour déformer le voile (8), est placée à l'entrée en amont du distributeur de non tissé (3), dans lequel les vitesses d'avancée variables du voile sont compensées dans une installation d'amortissement (6) intégré du distributeur de non tissé (3), dans lequel, pour assurer l'amortissement, les vitesses d'avancée modifiables du voile et les longueurs modifiables du voile sont absorbées dans un segment de bande (28) dans la zone d'entrée du chariot supérieur (11) et dans la zone entre le chariot supérieur (11) et le chariot distributeur (12), les déplacements des chariots principaux (11, 12) étant découplés, le chariot supérieur (11) parcourant un trajet ow3 plus long pour assurer l'amortissement, caractérisée en ce que l'installation de déformation (5) prend la forme d'une installation d'étirage comportant un ou plusieurs segments d'étirage (22, 23, 24) qui comportent des paires de cylindres (25) ou des segments de bande bloquants.
  13. Procédé selon la revendication 12, caractérisé en ce que le chariot supérieur (11) est déplacé à une vitesse de marche variable pratiquement proportionnelle à la vitesse d'avancée variable du voile.
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que la bande transporteuse (26) qui se trouve dans la zone d'entrée (15) et qui entre sur le chariot supérieur (11) se déplace à une vitesse variable pratiquement proportionnelle à la vitesse d'avancée variable du voile.
EP03766219A 2002-07-27 2003-07-18 Procede et dispositif de distribution de voile Expired - Lifetime EP1532302B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20211365U DE20211365U1 (de) 2002-07-27 2002-07-27 Vorrichtung zur Faserbehandlung
DE20211365U 2002-07-27
PCT/EP2003/007834 WO2004013390A1 (fr) 2002-07-27 2003-07-18 Procede et dispositif de distribution de voile

Publications (3)

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EP1532302A1 EP1532302A1 (fr) 2005-05-25
EP1532302B1 EP1532302B1 (fr) 2006-04-05
EP1532302B2 true EP1532302B2 (fr) 2011-01-05

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EP03766219A Expired - Lifetime EP1532302B2 (fr) 2002-07-27 2003-07-18 Procede et dispositif de distribution de voile

Country Status (6)

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EP (1) EP1532302B2 (fr)
AT (1) ATE322565T1 (fr)
AU (1) AU2003254378A1 (fr)
DE (3) DE20211365U1 (fr)
ES (1) ES2261971T5 (fr)
WO (1) WO2004013390A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004042119A1 (de) * 2004-08-30 2006-03-02 Trützschler GmbH & Co KG Vorrichtung zur Herstellung eines Faservlieses, z.B. aus Baumwolle, Chemiefasern o.dgl.
ATE398691T1 (de) 2006-02-01 2008-07-15 Dilo Kg Maschf Oskar Vorrichtung zum legen eines vlieses
DE502007003464D1 (de) 2007-02-15 2010-05-27 Dilo Kg Maschf Oskar Vorrichtung zum Legen eines Vlieses
WO2012004111A1 (fr) 2010-07-03 2012-01-12 Oerlikon Textile Gmbh & Co. Kg Dispositif et procédé de fabrication d'un non-tissé
EP2479330B1 (fr) 2011-01-19 2013-12-18 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur
EP2537967B1 (fr) 2011-06-20 2013-12-18 Oskar Dilo Maschinenfabrik KG Procédé destiné au fonctionnement d'un étaleur-nappeur
DE202012102597U1 (de) 2012-07-13 2013-10-14 Hi Tech Textile Holding Gmbh Vliesleger
DE102013101398B4 (de) * 2013-02-13 2015-10-29 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung und Verfahren zur Beeinflussung des Flächengewichtsprofils eines Faserflors
DE202014100908U1 (de) 2014-02-27 2015-05-28 Autefa Solutions Germany Gmbh Kardiereinrichtung
FR3059344B1 (fr) * 2016-11-25 2019-11-22 Andritz Asselin Thibeau Dispositif d'etirage d'un voile dispose entre un dispositif de carde et un etaleur nappeur
FR3081885B1 (fr) 2018-05-31 2020-09-11 Andritz Asselin Thibeau Systeme de formation d’une nappe de fibres

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DE2429106A1 (de) † 1973-06-19 1975-01-23 Asselin P H L Vliesbandleger
DE4010174A1 (de) † 1990-03-30 1991-10-02 Hollingsworth Gmbh Verfahren zum ablegen eines vlieses oder dgl., sowie vliesbandleger
EP0371548B1 (fr) † 1988-11-28 1994-02-23 Koninklijke Philips Electronics N.V. Récepteur synchrone AM à mélange direct
WO1999024650A1 (fr) † 1997-11-07 1999-05-20 Asselin Procede et dispositifs pour produire une nappe textile

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DE2718447C2 (de) * 1977-04-26 1986-02-27 Hergeth Hollingsworth GmbH, 4408 Dülmen Zwischenspeicher für Faservliese
DE3738190C2 (de) * 1987-11-10 1997-10-16 Autefa Holding Gmbh Verfahren zur Bildung eines Vlieses und Vliesbandleger
BE1002605A3 (fr) * 1988-11-30 1991-04-09 Houget Duesberg Bosson Procede et dispositif pour la fabrication de textiles non-tisses.
FR2677046B1 (fr) 1991-06-03 1995-01-13 Asselin Ets Etaleur-nappeur.
US5289617A (en) 1991-06-03 1994-03-01 Asselin (Societe Anonyme) Spreading and lap-forming machine
DE9212215U1 (de) * 1992-09-10 1994-01-13 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vorrichtung zur Herstellung eines Vlieses aus Fasermaterial
DE4304988C1 (de) * 1993-02-18 1994-04-07 Autefa Maschinenfab Verfahren und Vorrichtung zur Herstellung eines Vlieses mit veränderlicher Dicke
DE29518587U1 (de) 1995-11-23 1997-04-10 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vliesleger
DE29822460U1 (de) * 1998-12-18 2000-05-18 Autefa Maschinenfab Vliesleger
DE29909016U1 (de) * 1999-05-26 2000-10-05 Autefa Maschinenfab Vliesanlage
FR2794475B1 (fr) 1999-06-01 2001-08-17 Asselin Procede pour reguler le profil d'une nappe non-tissee et installation de production s'y rapportant
EP1381721B1 (fr) 2001-04-23 2006-06-07 AUTEFA automation GmbH Procede pour profiler un non-tisse et dispositif de formation de profils
DE10139833A1 (de) * 2001-08-14 2003-02-27 Dilo Kg Maschf Oskar Verfahren und Vorrichtung zum Herstellen eines Faservlieses

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Publication number Priority date Publication date Assignee Title
DE2429106A1 (de) † 1973-06-19 1975-01-23 Asselin P H L Vliesbandleger
EP0371548B1 (fr) † 1988-11-28 1994-02-23 Koninklijke Philips Electronics N.V. Récepteur synchrone AM à mélange direct
DE4010174A1 (de) † 1990-03-30 1991-10-02 Hollingsworth Gmbh Verfahren zum ablegen eines vlieses oder dgl., sowie vliesbandleger
WO1999024650A1 (fr) † 1997-11-07 1999-05-20 Asselin Procede et dispositifs pour produire une nappe textile

Also Published As

Publication number Publication date
EP1532302B1 (fr) 2006-04-05
EP1532302A1 (fr) 2005-05-25
AU2003254378A1 (en) 2004-02-23
DE50302906D1 (de) 2006-05-18
ATE322565T1 (de) 2006-04-15
DE20321834U1 (de) 2011-08-26
ES2261971T3 (es) 2006-11-16
ES2261971T5 (es) 2011-05-19
DE20211365U1 (de) 2003-10-09
WO2004013390A1 (fr) 2004-02-12

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