EP2695983B1 - Dispositif et procédé de formation d'un non-tissé profilé ou homogénéisé ou d'un matelas de fibres floquées profilé ou homogénéisé - Google Patents

Dispositif et procédé de formation d'un non-tissé profilé ou homogénéisé ou d'un matelas de fibres floquées profilé ou homogénéisé Download PDF

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Publication number
EP2695983B1
EP2695983B1 EP12199616.9A EP12199616A EP2695983B1 EP 2695983 B1 EP2695983 B1 EP 2695983B1 EP 12199616 A EP12199616 A EP 12199616A EP 2695983 B1 EP2695983 B1 EP 2695983B1
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EP
European Patent Office
Prior art keywords
flocked
fleece
fibres
fibre mat
profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12199616.9A
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German (de)
English (en)
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EP2695983A1 (fr
Inventor
Johann Philipp Dilo
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.)
Oskar Dilo Maschinenfabrik KG
Original Assignee
Oskar Dilo Maschinenfabrik 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 Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP12199616.9A priority Critical patent/EP2695983B1/fr
Priority to EP20130170105 priority patent/EP2695980A1/fr
Priority to CN201310337279.8A priority patent/CN103572506A/zh
Priority to CN201310337203.5A priority patent/CN103572510B/zh
Priority to US13/959,965 priority patent/US9003609B2/en
Priority to US13/959,985 priority patent/US20140033479A1/en
Publication of EP2695983A1 publication Critical patent/EP2695983A1/fr
Application granted granted Critical
Publication of EP2695983B1 publication Critical patent/EP2695983B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • 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
    • D04H1/736—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 characterised by the apparatus for arranging fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/12—Moulding of mats from fibres
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/02—Hoppers; Delivery shoots
    • D01G23/04—Hoppers; Delivery shoots with means for controlling the feed
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/02—Hoppers; Delivery shoots
    • D01G23/04—Hoppers; Delivery shoots with means for controlling the feed
    • D01G23/045—Hoppers; Delivery shoots with means for controlling the feed by successive weighing; Weighing hoppers
    • 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
    • D04H11/00—Non-woven pile fabrics
    • D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking

Definitions

  • the invention relates to a device and a method for forming a uniformized or profiled nonwoven fabric or a uniformized or profiled fiber flake mat.
  • fiber flakes are delivered from a fiber flake feeder to a transport device, which directly in the form of a fiber flake mat in a first alternative to a pile producer, preferably a carding machine, in a second alternative directly to an aerodynamic web forming agent, or in a third alternative to a solidifying machine, such as a needle machine, further transported.
  • a transport device which directly in the form of a fiber flake mat in a first alternative to a pile producer, preferably a carding machine, in a second alternative directly to an aerodynamic web forming agent, or in a third alternative to a solidifying machine, such as a needle machine, further transported.
  • the pile produced in the pile producer (which can also be referred to as a single-layer or two-layer nonwoven) is then fed to a fleece layering machine which places a multilayer fleece from the pile web by cross-lapping.
  • This multi-ply web can then be solidified by suitable consolidation machines, for example by needling.
  • suitable consolidation machines for example by needling.
  • there are corresponding intervention possibilities at different points of the plant For example, in the area between fiber flake feeders and pile producers, e.g. the weight of the fiber flake mat measured by means of a belt weigher and based on this the feed rate of the pile generator are controlled so that always passes an identical amount of fiber material per time interval in the pile generator.
  • the fiber flake mat or fleece has a predetermined uneven transverse profile and / or longitudinal profile.
  • a device for producing a uniform web in which the fibers are scattered by a material dispensing device on a conveyor belt.
  • the height of the nonwoven fabric thus formed is scanned by means of mechanical sliding contacts which are arranged together next to one another on a shaft.
  • an electrical signal is triggered across the shaft, which is sent to a controller, which in turn affects the material dispenser accordingly.
  • a back brushing unit is arranged, which throws back excess fibers against the transport direction of the conveyor belt, whereby the returned fibers are evenly distributed by means of a distributor unit.
  • the regulation of the brush height of remindbürstvenez takes place in dependence on the signal of the back-brushing downstream balance.
  • the present invention has for its object to compensate for localized thinnings or thick areas of a nonwoven or a Faserflockenmatte and thus also across the width of the web or the Faserflockenmatte to ensure a constant basis weight distribution, or a desired non-uniform cross-sectional and / or longitudinal profile of the web or to adjust the fiber flake mat targeted.
  • the device for forming a uniformed or profiled nonwoven or a uniformized or profiled fiber flake mat comprises a material dispenser which produces a nonwoven or a fiber flake mat of predetermined width, and also a transport device downstream of the material dispenser for further transport of the nonwoven or the fiber flake mat in a transport direction.
  • the apparatus further comprises a measuring device for measuring the weight per unit area of the nonwoven or the fiber flake mat across its transverse width to the transport direction in a measuring range of the transport device for determining a cross profile and longitudinal profile of the nonwoven or fiber flake mat and a profile changing device in a profile change region downstream of the measuring range
  • Profile changing device comprises a feeding device for feeding dissolved fibers or fiber flakes onto the web or the fiber flake mat or a picking device for removing dissolved fibers or fiber flakes from the web or from the fiber flake mat.
  • the apparatus includes a controller adapted to control the profile changing device based on the results of the measuring device so that the profile changing device for homogenizing the nonwoven or the fiber flake mat supplies dissolved fibers or fiber flakes to detected thin spots of the nonwoven or fiber flake mat or dissolving dissolved fibers or fibrils of determined thicknesses of the web or the fiber flake mat, or that the profile changing device selectively supplies or removes fibers or fiber flakes dissolved with thin spots and thick spots to form a desired uneven transverse profile or longitudinal profile of the web or fiber flake mat.
  • the measuring device is a radiometric measuring device, which can precisely determine the weight per unit area of the fleece or the fiber flake mat.
  • the measuring device can either have a radiometric measuring element which is moved across the width of the fleece or the fiber flake mat, or there are provided a plurality of stationary radiometric measuring elements which are arranged at the desired measuring distances next to one another transversely to the transport direction over the fleece or the fiber flake mat.
  • the measuring device is a mechanical measuring device.
  • the measuring device has a plurality of measuring wheels arranged side by side transversely to the transport direction, the deflection of which is recorded in an evaluation device.
  • the transverse profile of the web or the Faserflockenmatte transversely to the transport direction and due to the movement of the web or the Faserflockenmatte also record the longitudinal profile of the web or the Faserflockenmatte in the desired local resolution and the result as an electric Provide signal for further processing.
  • the profile changing device has a plurality of transverse to the transport direction and horizontally juxtaposed Zuzhousegmente, which are controlled separately from each other by the control or regulating device.
  • the data supplied by the measuring device lead to a targeted homogenization of the fleece or the fiber flake mat (preferably by filling in thin areas) or profile formation of the fleece or the fiber flake mat with a relatively high resolution.
  • each feed segment has a width of between 5 and 100 mm, preferably between 15 and 30 mm, more preferably between 20 and 25 mm.
  • the material dispenser may be a fiber flake feeder that produces a fiber flake mat, or a web forming agent.
  • Suitable web formers according to the present definition are, in particular, aerodynamic web-forming devices, but also pile producers or nonwoven layers.
  • the feeding device for feeding dissolved fibers or fiber flakes onto the nonwoven or the fiber flake mat has a plurality of rolls of the same kind arranged over the width of the nonwoven or the fiber flake mat, which can be controlled separately from one another by the control or regulating device.
  • one roller is assigned to one feed segment.
  • the eligible rollers are in particular feed rollers or discharge rollers, which can be used here as metering rollers. It is also possible to arrange a plurality of different types of rolls across the width of the fleece or the fiber flake mat in segmented form, ie a feed segment can have a plurality of different rolls which correspond to its width, that is to say for example Feed rollers and discharge rollers.
  • the delivery device for delivering dissolved fibers or fiber flakes to the web or the fiber flake mat may comprise a fiber flute stack as a material reservoir.
  • each feeder segment may be associated with a dispenser for storing and dispensing a roving or a nonwoven strip. In this way, a high spatial resolution is achieved even when feeding the dosing into the feeder.
  • the material dispensing device is a fiber flake feeder
  • the profile changing device has a plurality of transverse to the transport direction and horizontally juxtaposed ZuInstitutsegmente, which are controlled separately from each other by the control or regulating device.
  • each pedal tray can be assigned to each feed segment, the respective Austragsdosierwalze opposite.
  • the deflection of each pedal tray is a parameter for the actual material throughput and can therefore serve to check the dosing accuracy.
  • the controlled feeding of fiber flakes preferably takes place by separate control of a plurality of feed segments of the profile changing device which are arranged transversely to the transport direction and are arranged horizontally next to each other.
  • Fig. 1 an embodiment of the device according to the invention for forming a uniformized or profiled fiber flake mat is shown.
  • the device comprises a material dispenser, which is designed here as a fiber flake feeder 2. Behind the device, the fiber flake mat produced is fed to the catchment area of a pile generator 3, in particular a carding machine. Similarly, the fiber fluff mat 12 produced may be directly exposed to an aerodynamic web former (not shown) or a consolidation machine 50 (see FIG Fig. 2 ).
  • the Faserflockenspeiser 2 are fiber flakes on a discharge belt 4 from which is formed circumferentially and around a plurality of guide rollers 6, of which only one is shown in the drawing, is stretched.
  • an upper roller 8 can also be arranged in the exit region of the fiber flake feed 2, which is driven in opposite directions to the discharge belt 4 and thus moves and compacts the fiber flake mat together with the discharge belt 4 in the direction of a circulating transport belt 10.
  • the discharge conveyor 4 and the conveyor belt 10 together form a transport device which ensures the further transport of the fiber flake mat 12.
  • the transport device 4, 10 connects the fiber flake feeder 2 and the pile generator 3. It is also conceivable that the conveyor belt 10 directly extends below the fiber flake feeder 2 (see the other figures) and thus the discharge belt 4 is omitted, or that the transport device has other than the sections and elements 4, 10 shown.
  • the fiber flake material is advanced as a fiber flake mat 12 with a variable speed v in the direction of the catchment area of the pile generator 3 and thus in the transport direction.
  • the conveyor belt 10 can also have a belt scale which determines an average weight of the fiber flake mat 12 in a flat weighing area, which has a certain length and extends over the entire width of the fiber flake mat 12.
  • the transport speed v of the transport device and thus at the same time the intake speed of the pile generator 3 can be controlled accordingly so that always a substantially uniform mass flow of fiber flake material reaches the pile generator 3 per time interval.
  • a measuring device 14 which measures the basis weight of the fiber flake mat 12 over its transverse width to the transport direction in a measuring range of the transport device 4, 10, thus the transverse profile and due to the movement of the transport device 4, 10 and the longitudinal profile of the fiber flake mat 12th , in particular thin areas and / or thick places of the fiber flake mat 12, to be determined. It is important that the measuring device 14 has several measuring segments transversely to the transport direction of the fiber flake mat 12 and performs its own measurement in each measuring segment. In this way, thin spots or thick places can be determined two-dimensionally, ie in the longitudinal and in the transverse direction. The width of such a measuring segment is between 5 and 100 mm, preferably between 15 and 30 mm, more preferably between 20 and 25 mm. Such a measuring device can either be used in addition to the belt scale or take over their function.
  • the measuring device 14 is designed as a series of transversely to the transport direction of the fiber flake mat 12 and measuring wheels 16 arranged horizontally next to each other. In the illustrated lateral cross-sectional view thereof only a measuring wheel 16 can be seen.
  • Each of these measuring wheels 16 is deflected independently of the other and connected to a corresponding evaluation device 18, which the deflection of the associated measuring wheel 16, by the different thickness or the different basis weight of the fiber flake mat 12th is conditional, detected.
  • position sensors for measuring the height of the measuring wheels 16 or their carriers or rotary angle meters for determining the angle of rotation of the measuring wheels 16 or their carriers come into consideration as the evaluation device 18. This can be concluded in the associated measuring segment on the respective basis weight of the fiber flake mat 12.
  • the measuring device 14 may also be configured as another form of a mechanical measuring device. It is also possible to design the measuring device 14 as a radiometric measuring device. In this case, a radiometric measuring probe is arranged either in each measuring segment, which determines the surface weight of the fiber flake mat 12 in the respective measuring segment by means of radiometric measurements, or a single radiometric measuring probe is provided which can be moved transversely across the width of the fiber flake mat 12 and continuously or in certain measuring distances, the basis weight of the fiber flake mat 12 receives. Likewise, a combined use of both a radiometric and a mechanical measuring device 14 is possible.
  • the results of the measuring device 14 are transmitted to a control or regulating device 20, which controls a profile changing device 22 on the basis of the results of the measuring device 14.
  • the profile changing device 22 is disposed in a profile changing area of the transporting device 4, 10 downstream of the measuring area and configured either as a feeding device for feeding dissolved fibers or fiber flakes onto the fiber flake mat 12 or as a take-off device for removing fiber flakes from the fiber flake mat 12. It is important that the control or regulating device 20 controls the profile changing device 22 in such a way that the profile changing device 22 feeds dissolved fibers or fiber flakes onto the determined thin areas of the fiber flake mat 12, either to homogenize the fiber flake mat 12, or if fiber flakes decrease from the ascertained thick places of the fiber flake mat 12.
  • the profile changing device 22 selectively supplies or removes fibers or fiber flakes dissolved with thin spots and thick places to form a desired uneven transverse profile and / or longitudinal profile of the fiber flake mat 12.
  • a combination of both profile change mechanisms (feeding and removing) is conceivable.
  • the controlled feeding of dissolved fibers or fiber flakes takes place by separate control of several transversely to the transport direction and horizontally
  • the controlled removal of fiber flakes by separate control of several transverse to the transport direction and horizontally juxtaposed removal segments of the profile changing device 22.
  • the width of such a feed segment or decrease segment preferably corresponds to the width of the measuring segments. It is thus in the range of between 5 and 100 mm, preferably between 15 and 30 mm, more preferably between 20 and 25 mm.
  • the profile changing device 22 is configured as a feeding device.
  • the respective feed segments are arranged transversely to the transport direction and thus not visible in the side view of the drawing.
  • Each feeder segment is associated with a dispenser 24 for storing and dispensing a roving 26 or a nonwoven strip.
  • the dispensing device 24 is designed as a coil, but it can also be designed as a spinning can or the like.
  • the roving 26 or nonwoven strip extends from the dispenser 24 to a preferably rubberized storage roll 28 extending transversely of the transport direction and horizontally preferably across all feed segments, and one turn of each roving 26 or nonwoven strip provided by the dispenser 24 is adjacent to each other Storage roller 28 wound.
  • the storage roller 28 is driven in one direction of rotation (see the corresponding arrow in the drawing), preferably by means of a servomotor 30 and also preferably continuously at a relatively slow speed. In certain embodiments, the storage roller 28 may also be omitted.
  • FIG. 1 illustrated preferred embodiment is an integral storage roller 28 which simultaneously receives the different strands of the roving 26 and the nonwoven strip of all feed segments side by side. Likewise, however, there may be a separate storage roller per feed segment.
  • Each feed segment is also associated with a driven with a servo motor 34, also in the same direction of rotation rotating feed roller 32 assigned.
  • the feed roller 32 pulls the respective provided by the associated dispenser 24 roving 26 or the nonwoven strip, either with the interposition of the storage roller 28 or directly.
  • each feed segment has its own feed roller 32, only one feed roller 32 is due to the series arrangement in the drawing to see.
  • Each feed roller 32 preferably has a clothing with respect to the direction of rotation rearwardly projecting teeth.
  • a particular advantage of the interposition of the storage roller 28 is that the storage roller 28 slips under those fiber ends 26 or non-woven fabric strips, which are only loosely wound around them. This applies accordingly to all Zupublishedsegmente in which the feed roller 32 is not driven at all or slower than the storage roller 28. Only when a feed roller 32 runs faster than the storage roller 28, the corresponding winding of the roving 26 or the nonwoven strip to the Storage roller 28 pulled tight and retracted the material accordingly.
  • the feed rollers 32 may have all possible speed profiles, including a plateau profile (e.g., in the form of a truncated pyramid) with equal but different length plateaus, depending on the desired output of fiber material.
  • a plateau profile e.g., in the form of a truncated pyramid
  • ⁇ ffnerwalze 36 which is preferably integrally formed and extending transversely to the transport direction and horizontally across all Zupublishedsegmente. Likewise, however, there may be a separate opening roll per feed segment.
  • the opener roller 36 is driven in the illustrated example in the same direction as the feed rollers 32.
  • the opener roller 36 preferably has a clothing with respect to the direction of rotation protruding teeth, whereby it opens the twisted or compressed fiber flake material of the roving 26 and the fiber fleece strip particularly well so that loose fiber flakes or even fine fibers are peeled off. These fall into a corresponding discharge chute 38 and from there guided on the fiber flake mat 12. It can also be several discharge shafts 38 side by side provided for the different Zucommendedsegmente.
  • a cleaning roller 40 can still be arranged in the region of the dispensing shaft 38, which strips off the fiber flakes adhering to the teeth of the opening roller 36.
  • the centers of the feed rollers 32 and the ⁇ ffnerwalze 36 are arranged on a horizontal line. In addition to the arrangement shown but are still many design options.
  • the result obtained by the profile changing device 22 can be checked further downstream by means of a second measuring device 42.
  • the second measuring device 42 may be designed in the same way as the measuring device 14, that is, it may have, for example, a plurality of measuring wheels 44 and a plurality of evaluation devices 46.
  • control or regulating device 20 must therefore, in addition to the local arrangement of the measuring segments or the Zucommendedsegmente and the respective measurement data and the distance a between measuring range and profile change range and the respective speed v of the transport device, here the conveyor belt 10, for Consider control.
  • the respective feed roller 32 of the associated feed segment is driven at the right time at a certain speed and provides additional fiber or fiber flake material to the opening roll 36, which then reaches the right spot of the fiber flake mat 12 in the desired dosage.
  • the profile changing device 22 is designed as a take-off device, it can work, for example, with mechanical tapping of fiber material from the fleece or from the fiber flake mat 12 or with suction of fiber material from the fleece or from the fiber fleece mat 12.
  • various flute shafts may be provided, which correspond to the number of feed segments and are fed selectively with loose fiber flakes (for example, branched off before the fiber flake feeder 2).
  • FIG. 2 another embodiment of the device for forming a fiber flake mat is shown.
  • the material dispenser which produces the base fiber flake mat is a fiber flake feeder 2 as in the previous example Fig. 1 the fiber flakes are deposited by the fiber flake feeder 2 directly on the conveyor belt 10.
  • the Faserflockenspeiser 2 can be configured in any commercial variant and has in the example shown at the bottom of an over the width of the conveyor belt 10 extending discharge roller 48.
  • the measuring device 14 is configured identically as in FIG Fig. 1 , The conveyor belt 10 moves the fiber flake mat 12 produced by the device in the present example case directly to a solidifying machine 50, here a needle machine, which is indicated only schematically.
  • the profile changing device 22 is in the case of Fig. 2 also designed as a fiber flake feeder.
  • This Faserflockenspeiser can be any commercially available Faserflockenspeiser, but has at its lower end a plurality of transverse to the transport direction and horizontally juxtaposed ZuInstitutsegmente, which are controlled separately from the control or regulating device 20 from each other.
  • Each feed segment is assigned one of a plurality of discharge metering rollers 52 arranged side by side over the width of the fiber flake mat 12 and which can be controlled separately from one another by the control or regulating device 20.
  • the width of the feed segments which essentially corresponds to the width of the discharge metering rollers 52, is again preferably between 5 mm and 100 mm, more preferably between 15 and 30 mm, even more preferably between 20 and 25 mm.
  • the filling of the profile changing device 22 with fiber flake material via a feed tube 54, which, as in the illustrated example, as well as the feed tube 58 of the first fiber flake feeder 2 can branch off from a main feed line 60.
  • An alternate flap 56 may provide for switching between the two feed tubes 54, 58.
  • the two feed tubes 54, 58 but also be filled via separate ways with fiber flake material.
  • the Austragsdosierwalzen 52 now give based on the measurement results of the measuring device 14 each fibrous material at the desired locations of the Faserflockenmatte 12th from.
  • Each Austragsdosierwalze 52 is for this purpose connected to its own servo motor 62.
  • an absolutely homogeneous, uniform fiber flake mat 12 is to be produced, which is then fed to the solidifying machine 50.
  • FIG. 3 illustrated embodiment of the apparatus for forming a Faserflockenmatte substantially corresponds to the embodiment of Fig. 2 wherein the profile changing device 22 is slightly modified.
  • each feed segment the respective Austragsdosierwalze 52 opposite one associated with a plurality of, across the width of the Faserflockenmatte 12 juxtaposed Pedalmulden 64 whose deflection is detected by a sensor 66 to determine the actual discharge amount of the fiber flake material in each feed segment.
  • Pedalmulden 64 whose deflection is detected by a sensor 66 to determine the actual discharge amount of the fiber flake material in each feed segment.
  • only one discharge dosing roller 52, one pedal depression 64, and one sensor 66 of the juxtaposed elements are shown.
  • the measurement results of the sensors 66 are preferably also transmitted to the control or regulating device 20 in order to be able to identify the quantity of fiber material actually delivered by the profile changing device 22 and to readjust the control accordingly.
  • pedal troughs 64 the deflection of which depends on the associated discharge metering roller 52 from the basis weight of the fiber material actually passed through the nip between discharge metering roller 52 and pedal trough 64, and a corresponding sensor 66
  • other types of detectors may also be used actually measured by the profile changing device 22 fiber flake material measure.
  • Fig. 4 illustrated embodiment of the apparatus for forming a Faserflockenmatte is similar to the embodiments of Fig. 2 and 3 , wherein at the lower end of the first fiber flake feeder 2 behind the discharge roller 48 in the same direction of rotation as the Austragswalze 48 driven ⁇ ffnerwalze 68 is arranged, optionally with adjoining, preferably rubberized cleaning roller 70.
  • the ⁇ ffnerwalze 68 serves to from the Austragswalze 48 by means of Continue to open trough 67 again upwardly conveyed fiber flake material and deliver in fine dosage on the conveyor belt 10, while the cleaning roller 70 strips on the teeth of the opening roller 68 stuck fiber flake material.
  • the profile changing device 22 in addition to the plurality of Austragsdosierwalzen 52 have a driven in the same direction of rotation as the Austragsdosierwalzen 52 opening roller 72, which in turn serves to further from the Austragsdosierwalzen 52 by means of the trough 73 transported flocked fiber material and scatter on the conveyor belt 10.
  • the material dispenser is configured as a feeding device 76 substantially similar to that shown in FIG Fig. 1 represented profile changing device 22 corresponds. In this way, the material dispensing device and profile changing device 22 are formed substantially the same.
  • the measuring device 14 arranged between the material delivery device and the profile changing device 22 and the associated control or regulating device 20 have been omitted from this figure for reasons of clarity.
  • the web formed in the feeder 76 may have a relatively uniform profile, but may also have a very wavy cross-section.
  • both the material dispensing device (feeder 76) and the profile changing device 22 each consists of juxtaposed ZuInstitutsegmenten, each fed by its own roving 26 or its own fiber fleece strip, with high accuracy a fleece 78 with the desired profile properties are formed.
  • the feeding segments of the profile changing device 22 may be laterally offset from the feeding segments of the feeding device 76, for example by half the width of a feeding segment.
  • Fig. 6 illustrated embodiment of the apparatus for forming a Faserflockenmatte substantially corresponds to in Fig. 4 illustrated embodiment with the difference that the profile changing device 22 is not aligned transversely to the transport direction of the conveyor belt 10, but in the transport direction of the conveyor belt 10.
  • the control or regulating device 20, which is also necessarily present in this exemplary embodiment, has again been omitted for reasons of clarity.
  • the profile changing device 22 is again designed as a feeding device in this example, which, however, is transversely to the transport direction of the conveyor belt 10 and over the maximum width and above the fiber flake mat 12 to be laid, see the arrows in Fig.
  • the movable feeding device has a plurality of in the transport direction of the conveyor belt 10 and horizontally juxtaposed feed segments, which are controlled separately from each other.
  • the width of each feed segment of the traveling feeder is preferably between 5 and 100 mm, more preferably between 15 and 30 mm, even more preferably between 20 and 25 mm.
  • the movable profile changing device 22 either has a moving material reservoir, or that the feed tube 80 for the profile changing device 22 is correspondingly stretchable or extendable to join the lateral deflections of the profile changing device 22.
  • the profile changing device 22 including feed roller 32 can be moved transversely, while the dispenser 24 remains stationary.
  • the storage roller 28 can either be moved with the profile changing device 22 or remain stationary. Corresponding slack storage between said elements then provide the necessary material buffer for the transverse travel of the profile changing device 22.
  • FIG. 7 shown apparatus for forming a fiber flake mat corresponds to the embodiment of Fig. 6 , wherein between the first fiber flake feeder 2 and the profile changing device 22, a further Faserflockenspeiser 82 is arranged, which also represents a profile changing device with individual Zuglasssegmenten.
  • a further Faserflockenspeiser 82 is arranged, which also represents a profile changing device with individual Zuglasssegmenten.
  • the compulsory control or regulating device 20 was again not shown in the drawing for reasons of clarity. However, it is clear that not only the transversely movable profile changing device 22, but preferably also the Faserflockenspeiser 82 are controlled by the control or regulating device 20.
  • Fig. 8 to 13 further embodiments of the device according to the invention are shown.
  • the necessarily existing measuring device 14 and the control or regulating device 20 are not shown.
  • the profile changing device 22 is controlled by the control or regulating device 20 on the basis of the measurement result of the measuring device 14, as in the previously described embodiments.
  • the material dispensing device is configured again as a feed device 84 or web forming device, which dispenses a first quantity of fiber material onto the conveyor belt 10, which serves as the basis for forming the web 78.
  • the feed device 84 has a plurality of axially adjacent feed rollers 102, one of which is assigned to a feed segment of the feed device 84.
  • the width of the individual feed segments is preferably identical to the width in the previous examples.
  • Each feed roller 102 is driven by its own servo motor 104. In the illustrated lateral cross-sectional view, only a feed roller 102 and a servo motor 104 can be seen.
  • the fiber material is drawn in the direction of arrow A from the feed rollers 102 in a controlled manner and thus passes under the overhead trough 106 therethrough. This supports the transport of the supplied fiber material to a ⁇ ffnerwalze 108 which cooperates with the feed rollers 102 and strips individual fiber flakes or individual fibers from the feed rollers 102.
  • the fiber material fed in the direction of the arrow A can be drawn in directly from a fiber flute shaft.
  • the fiber material is supplied in the form of fiber slivers 26 or nonwoven strips, for example by means of in Fig. 5 shown elements for feeding the roving 26th or the nonwoven strip to the feed rollers 32 shown there. While in the example of the Fig.
  • an overhead trough 106 is provided and the fiber material is fed from the feed rollers 102 obliquely from above into the space between the feed rollers 102 and opening roller 108, this, as in Fig. 5 shown, also at any time from diagonally down. Only the relative direction of rotation between the feed rollers 102 and the opener roller 108 would then be different, since the feed rollers 102 would then move in the same direction of rotation as the opener roller 108th
  • the fiber material of the roving 26 or the nonwoven strip or the fiber flakes coming from the shaft different degrees towards fiber flakes or even to single fibers, which subsequently fall down in the feeder 84.
  • corresponding guide elements 110 may be provided.
  • the fiber material dissolved by the opener roller 108 per feed segment finally reaches a gap between two screen rollers 112, which are preferably driven at the same speed but in the opposite direction.
  • These screen rollers 112 direct the fiber material in the feeder 84, for example, with the aid of another trough 114, on the conveyor belt 10.
  • the distance and the relative altitude of the two screen rollers 112 are variably adjustable.
  • a pinch roller 116 may be provided which rotates at the same speed as the conveyor belt 10 and compacts the formed web 78 between itself and the conveyor belt 10. If the pinch roller 116 and the conveyor belt 10 have a higher speed than the screen rollers 112, then in the area between the screen rollers 112 and the pinch roller 116, the web 78 is stretched in the transport direction of the conveyor belt 10, which in the web 78 to an even stronger orientation of the fibers in the longitudinal direction, ie along the transport direction of the conveyor belt 10 is used.
  • the profile changing device 22 is likewise designed as a feed device or as a web forming device, which has a multiplicity of individual nonwoven forming points.
  • the structure of the profile changing device 22 is substantially identical to the structure of the first Feeder 84 and will therefore not be described in detail.
  • the individual elements which have already been described with reference to the first feeder 84, here have the following reference numerals: feed rollers 202, servomotors 204, overhead trough 206, Opener roller 208, guide elements 210, screen rollers 212, lower trough 214 and pinch roller 216.
  • the profile changing device 22 shown may be combined at any time with another material dispensing device, such as a conventional fiber flake feeder 2 as shown in FIG Fig. 1 shown, a Faserflockenspeiser 2 from Fig. 4 or a feeder 76 from Fig. 5 , It is also possible to use the in Fig. 5 such as Fig. 8 to 13 arranged profile changing devices 22 along the transport direction of the conveyor belt 10 and to arrange transversely movable, as the profile changing device 22 in the embodiments of Fig. 6 and 7 ,
  • Fig. 8 to 13 illustrated material dispensers first feeder 84
  • other profile changing devices 22 for example, with the profile changing device 22 from Fig. 5
  • all combinations of the material dispensers and profile changers 22 described herein are conceivable.
  • a series of several profile changing devices 22 is conceivable.
  • the Zu foundedsegmente the profile changing devices 22 in the Fig. 8 to 13 be offset laterally relative to the feed segments of the feeder 84, for example by half the width of a feed segment.
  • Fig. 9 illustrated embodiment of the apparatus for forming a nonwoven is similar to the embodiment of Fig. 8 , Again, the fiber material is drawn in the direction of arrow A by means of individually driven, over the width of the web to be laid 78 axially juxtaposed feed rollers 102 in the feeder 84.
  • the feed rollers 102 are in this case somewhat obliquely below the opener roller 108, and as a guide element 110, a perforated plate is provided in this case.
  • the two screen rollers 112 are again driven in opposite directions, wherein in the illustrated embodiment additionally suction devices 118 for sucking the screen rollers 112 are shown.
  • the conveyor belt 10 is configured in the illustrated embodiment as a screen belt, which is also under-sucked by means of a suction device 120, so as to suck the stripped from the opener roller 108 fiber material to the desired area of the conveyor belt 10.
  • a suction device 120 so as to suck the stripped from the opener roller 108 fiber material to the desired area of the conveyor belt 10.
  • the left screen roller 112 is arranged closer to the conveyor belt 10, so that the lower trough 114 can be omitted.
  • the profile changing device 22 in FIG Fig. 9 is configured substantially identical to the first feeding device 84.
  • the fiber material is introduced in the direction of arrow B in the profile changing device 22.
  • the suction devices for the screen rollers 212 are designated by reference numeral 218, and the suction device for sucking the conveyor belt 10 in the region of the profile changing device 22 is designated by reference numeral 220.
  • the pinch rollers 116, 216 could be made from the embodiment Fig. 8 also be used.
  • Fig. 10 illustrated embodiment of the first feeder 84 and the profile changing device 22 has in the catchment area (above the arrows which are to denote the falling fiber material) also a plurality of juxtaposed feed rollers 102 and a ⁇ ffnerwalze 108 (as in Fig. 8 or 9 ), which are not shown here anymore.
  • the counter-rotating screen rollers 112 are in the case of Fig. 10 partially entangled by screen belts 122, which are guided by the screen rollers 112 down and there are guided around a respective smaller guide roller 124.
  • the guide rollers 124 are disposed near the surface of the conveyor belt 10 and define a discharge gap of the first feeder 84.
  • the conveyor belt 10 is again configured as a screen belt, but this time at the exit of the feeder 84, two opposing pinch rollers 116 are arranged, one above the formed web 78 and one below the upper run of the conveyor belt 10.
  • the pinch rollers 116 are driven in opposite directions and run at the same speed as the conveyor belt 10.
  • the profile changing device 22 is in the example of the Fig. 10 again in principle identical to the first feed device 84, wherein the two rotating screen belts have the reference numeral 222 and the two lower guide rollers have been given the reference numeral 224.
  • a stretching device in this case comprises an upper star roller 126 or garnished roller with a counter-pressure plate 128 opposite it, preferably spring-mounted, defining therebetween a first nip for the fiber material, and a lower star roller 130 or garnished roller and a lower, preferably resilient mounted, counter-pressure plate 132 which is opposite to the lower star roller 130 and defines with this a second nip.
  • the two star rollers 126 and 130 are disposed on opposite sides of the filling channel.
  • a stretching of the fiber material in the filling channel takes place when the rotational speed of the lower star roller 130 is higher than the rotational speed of the upper star roller 126.
  • the speed of the lower star roller 130 preferably corresponds to the speed of the conveyor belt 10.
  • By the drawing finds a stronger expression of Longitudinal orientation of the fibers instead, so that on the conveyor belt 10 finally a web 78 is deposited with more along the transport direction of the conveyor belt 10 oriented fibers.
  • the shape and arrangement of the elements for stretching can of course be varied in many ways here. For example, to define each nip also a pair of nip rollers (smooth, rubberized or garnished) or star roller pair can be used.
  • profile changing device 22 is configured substantially identical to the first feeding device 84.
  • the profile changing device 22 the fiber material is fed in the direction of arrow B, and compared to the embodiment of Fig. 8 newly added elements are upper star roller 226, upper platen 228, lower star roller 230, and lower platen 232.
  • the in Fig. 12 illustrated web formers 84 substantially corresponds to the embodiment of Fig. 8 , wherein the two screen rollers 112 are replaced by other guiding and stretching elements.
  • On the left outer edge of a screen belt 134 is arranged around a plurality of guide rollers 136 around so that it defines an inclined guide surface for the fiber material in the direction of the conveyor belt 10. At least one of the guide rollers 136 is driven, so that the screen belt 134 moves at the same speed.
  • the screen belt 134 as in Fig. 12 shown, with a suction device 138 under-sucked.
  • the inclined guide surface of the screen belt 134 opposite an upper disk roller 140 is arranged, which is driven at the same speed as the screen belt 134 and together with the screen belt 134 defines a first clamping point for the transported fiber material.
  • a star roller 142 is arranged, which in turn forms a second clamping point for the fiber material with the conveyor belt 10. Subsequent to the star roller 142, a further pinch roller 144 may be provided for compressing the web 78.
  • a stretching device is provided when the speed of the star roller 142, which corresponds to the speed of the conveyor belt 10, is greater than the speed of the screen belt 134 and pinch roller 140.
  • the longitudinal orientation the fibers of the web 78 reinforced.
  • the profile changing device 22 of Fig. 12 is essentially identical to the first feeder 84 constructed.
  • the compared with Fig. 8 newly added elements are the screen belt 234, the idler rollers 236, the suction device 238, the pinch roller 240, the star roller 242 and the optional lower pinch roller 244.
  • Feed rollers 102, 202 shown are each provided with sets whose teeth are directed in the direction of rotation of the feed rollers 102, 202 forward. It is also possible or even preferred that the teeth of the sets of feed rollers 102, 202 are directed in the direction of rotation to the rear. It can also be used completely different trimmings.
  • the apparatus for forming a nonwoven comprises a profile changing device 22, whose lower part, from the screen rollers 212 down, the embodiment of Fig. 8 equivalent.
  • the catchment area is changed in contrast.
  • the fiber material is introduced in this embodiment above the feed rollers 202 in the direction of arrow B and then conveyed by the opener roller 208, which runs in the same direction of rotation as the feed rollers 202, along the overhead trough 206.
  • the overhead trough 206 may also be configured in two parts. After a half turn of the opener roller 208, the fiber material drops into the discharge chute and finally passes between the screen rollers 212.
  • an air flow generator 250 can be used, which from the top generates an air flow at the top Opener roll 208 passes (aerodynamic web formation).
  • the first feeding device 84 of the Fig. 13 substantially corresponds to the delivery device 84 Fig. 8 ,
  • an air flow from above which supports the detachment of the fiber material from the opener roller 108 down.
  • Such a measure can also be used in all embodiments of the 8 to 12 be applied.
  • the pre-web formed in the feeder 84 may have a relatively uniform profile, but may also have a very wavy cross-section.
  • both the material dispensing device (feeder 84) and the profile changing device 22 each consists of juxtaposed Zuzhousegmenten, each fed by its own roving 26 or its own fiber fleece strip, with high accuracy, a nonwoven 78 with the desired profile properties are formed.
  • the feed segments of the profile changing device 22 may be laterally offset from the feed segments of the feeder 84, for example by half the width of a feed segment.
  • rollers, belts and troughs used and the relative geometric arrangement of the individual parts in the illustrated embodiments can be modified by the person skilled in the art to the respective intended use.
  • the distance between the rollers and belts in the embodiments of Fig. 8 to 13 is not true to scale and also variably adjustable.
  • the described embodiments and the schematic sketches are intended to represent only the basic principle of the inventive idea.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (15)

  1. Dispositif pour former un non-tissé (78) profilé ou homogénéisé ou un matelas de fibres floquées (12) profilé ou homogénéisé, comprenant :
    un dispositif de distribution de matériau (2, 76, 84) qui produit un non-tissé (78) ou un matelas de fibres floquées (12) d'une largeur prédéterminée ;
    un dispositif de transport (4, 10) connecté en aval du dispositif de distribution de matériau (2, 76, 84), pour transporter plus avant le non-tissé (78) ou le matelas de fibres floquées (12) dans une direction de transport ;
    un dispositif de mesure (14) pour mesurer la masse surfacique du non-tissé (78) ou du matelas de fibres floquées (12) sur leur largeur s'étendant transversalement par rapport à la direction de transport dans une zone de mesure du dispositif de transport (4, 10) pour déterminer un profil transversal et un profil longitudinal du non-tissé (78) ou du matelas de fibres floquées (12) ;
    un dispositif de modification de profil (22) dans une zone de modification de profil en aval de la zone de mesure, le dispositif de modification de profil (22) présentant un dispositif d'amenée pour amener des fibres ou des fibres floquées effilochées sur le non-tissé ou sur le matelas de fibres floquées (12) et/ou un dispositif de retrait pour retirer des fibres ou des fibres floquées effilochées du non-tissé (78) ou du matelas de fibres floquées (12) ; et
    un système de commande ou de régulation (20) qui est adapté pour commander le dispositif de modification de profil (22) sur la base des résultats du dispositif de mesure (14) de telle manière que le dispositif de modification de profil (22) amène, afin d'homogénéiser le non-tissé (78) ou le matelas de fibres floquées (12), des fibres ou des fibres floquées effilochées sur des endroits minces déterminés du non-tissé (78) ou du matelas de fibres floquées (12) ou retire des fibres ou des fibres floquées effilochées des endroits épais déterminés du non-tissé (78) ou du matelas de fibres floquées (12), ou que le dispositif de modification de profil (22) amène ou retire de manière ciblée des fibres ou des fibres floquées effilochées afin de former un profil transversal et/ou un profil longitudinal non homogène souhaité du non-tissé (78) ou du matelas de fibres floquées (12) avec des endroits minces et des endroits épais.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de mesure (14) est un dispositif de mesure radiométrique.
  3. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de mesure (14) est un dispositif de mesure mécanique.
  4. Dispositif selon la revendication 3, caractérisé en ce que le dispositif de mesure (14) présente plusieurs roues de mesure (16) disposées les unes à côté des autres de manière transversale par rapport à la direction de transport, dont la déviation est enregistrée dans un système d'analyse (18).
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de modification de profil (22) présente plusieurs segments d'amenée disposés les uns à côté des autres de manière transversale par rapport à la direction de transport et de manière horizontale, lesquels peuvent être commandés séparément les uns des autres par le système de commande ou de régulation (20).
  6. Dispositif selon la revendication 5, caractérisé en ce que chaque segment d'amenée présente une largeur comprise entre 5 et 100 mm, de manière préférée comprise entre 15 et 30 mm, de manière davantage préférée comprise entre 20 et 25 mm.
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de distribution de matériau (2, 76, 84) est un système d'alimentation en fibres floquées (2).
  8. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif de distribution de matériau (2, 76, 84) est un système générateur de non-tissé (76, 84).
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'amenée pour amener des fibres ou des fibres floquées effilochées sur le non-tissé ou sur le matelas de fibres floquées (12) présente plusieurs cylindres d'alimentation (32, 202) disposés les uns à côté des autres sur la largeur du non-tissé ou du matelas de fibres floquées (12), lesquels peuvent être commandés séparément les uns des autres par le système de commande ou de régulation (20).
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'amenée pour amener des fibres ou des fibres floquées effilochées sur le non-tissé (78) ou sur le matelas de fibres floquées (12) présente un puits de fibres floquées en tant que réservoir de matériau.
  11. Dispositif selon l'une des revendications 5 à 9, caractérisé en ce qu'un dispositif distributeur (24) pour stocker et distribuer une mèche (26) ou une bande de non-tissé à base de fibres est associé à chaque segment d'amenée.
  12. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de distribution de matériau (2, 76, 84) est un système d'alimentation en fibres floquées (2), que le dispositif de modification de profil (22) présente plusieurs segments d'amenée disposés les uns à côté des autres de manière transversale par rapport à la direction de transport et de manière horizontale, lesquels peuvent être commandés séparément les uns des autres par le système de commande ou de régulation (20), que le dispositif d'amenée pour amener des fibres ou des fibres floquées effilochées sur le matelas de fibres floquées (12) présente un puits de fibres floquées en tant que réservoir de matériau et est réalisé sous la forme d'un deuxième système d'alimentation en fibres floquées, un ou plusieurs cylindres doseurs de décharge (52) disposés les uns à côté des autres sur la largeur du matelas de fibres floquées (12) étant associés à chaque segment d'amenée, lesquels peuvent être commandés séparément les uns des autres par le système de commande ou de régulation (20).
  13. Dispositif selon la revendication 12, caractérisé en ce qu'à chaque segment d'amenée en face du cylindre doseur de décharge (52) respectif est associée l'une d'une pluralité de bennes à pédale disposées les unes à côté des autres sur la largeur du matelas de fibres floquées (12).
  14. Procédé servant à former un non-tissé (78) profilé ou homogénéisé ou un matelas de fibres floquées (12) profilé ou homogénéisé, comprenant les étapes suivantes :
    - production d'un non-tissé (78) ou d'un matelas de fibres floquées (12) d'une largeur prédéfinie au moyen d'un dispositif de distribution de matériau (2, 76, 84) ;
    - transport plus avant du non-tissé (78) ou du matelas de fibres floquées (12) dans une direction de transport au moyen d'un dispositif de transport (4, 10) ;
    - mesure de la masse surfacique du non-tissé (78) ou du matelas de fibres floquées (12) sur leur largeur dans une zone de mesure du dispositif de transport (4, 10) pour déterminer un profil transversal et un profil longitudinal du non-tissé (78) ou du matelas de fibres floquées (12) ; et
    - amenée à régulation automatique de fibres ou de fibres floquées effilochées sur des endroits minces déterminés du non-tissé (78) ou du matelas de fibres floqués (12) ou le retrait de fibres ou de fibres floquées effilochées d'endroits épais déterminés du non-tissé (78) ou du matelas de fibres floquées (12) dans une zone de modification de profil en aval de la zone de mesure au moyen d'un dispositif de modification de profil (22) pour homogénéiser le non-tissé (78) ou le matelas de fibres floquées (12), ou l'amenée à régulation automatique de fibres ou de fibres floquées effilochées sur le non-tissé (78) ou le matelas de fibres floquées (12) ou le retrait de fibres ou de fibres floquées effilochées du non-tissé (78) ou du matelas de fibres floquées (12) dans une zone de modification de profil en aval de la zone de mesure au moyen d'un dispositif de modification de profil (22) afin de former un profil transversal et/ou un profil longitudinal souhaité non homogène du non-tissé (78) ou du matelas de fibres floquées (12) avec des endroits minces et des endroits épais.
  15. Procédé selon la revendication 14, caractérisé en ce que l'amenée régulée des fibres ou des fibres floquées effilochées est effectuée en commandant de manière séparée plusieurs segments d'amenée du dispositif de modification de profil (22) disposés les uns à côté des autres de manière transversale par rapport à la direction de transport et de manière horizontale.
EP12199616.9A 2012-08-06 2012-12-28 Dispositif et procédé de formation d'un non-tissé profilé ou homogénéisé ou d'un matelas de fibres floquées profilé ou homogénéisé Active EP2695983B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP12199616.9A EP2695983B1 (fr) 2012-08-06 2012-12-28 Dispositif et procédé de formation d'un non-tissé profilé ou homogénéisé ou d'un matelas de fibres floquées profilé ou homogénéisé
EP20130170105 EP2695980A1 (fr) 2012-08-06 2013-05-31 Dispositif d'acheminement pour fibres ou flocons
CN201310337279.8A CN103572506A (zh) 2012-08-06 2013-08-05 用于纤维或纤维束的进给装置
CN201310337203.5A CN103572510B (zh) 2012-08-06 2013-08-05 用于形成均匀或异形的绒织物或纤维束垫的装置和方法
US13/959,965 US9003609B2 (en) 2012-08-06 2013-08-06 Device and method for forming a uniform or profiled fleece or a uniform or profiled fiber flock mat
US13/959,985 US20140033479A1 (en) 2012-08-06 2013-08-06 Feed Device for Fibers or Fiber Flocks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12179382.2A EP2695982A1 (fr) 2012-08-06 2012-08-06 Dispositif et méthode pour égaliser ou obtenir un profil donné à un matelas de flocons de fibres
EP12199616.9A EP2695983B1 (fr) 2012-08-06 2012-12-28 Dispositif et procédé de formation d'un non-tissé profilé ou homogénéisé ou d'un matelas de fibres floquées profilé ou homogénéisé

Publications (2)

Publication Number Publication Date
EP2695983A1 EP2695983A1 (fr) 2014-02-12
EP2695983B1 true EP2695983B1 (fr) 2015-12-23

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EP12179382.2A Withdrawn EP2695982A1 (fr) 2012-08-06 2012-08-06 Dispositif et méthode pour égaliser ou obtenir un profil donné à un matelas de flocons de fibres
EP12199616.9A Active EP2695983B1 (fr) 2012-08-06 2012-12-28 Dispositif et procédé de formation d'un non-tissé profilé ou homogénéisé ou d'un matelas de fibres floquées profilé ou homogénéisé
EP12199625.0A Active EP2695976B1 (fr) 2012-08-06 2012-12-28 Dispositif pour délivrer des fibres divisées ou des bourres de fibres sur un dispositif de transport
EP12199629.2A Active EP2695984B1 (fr) 2012-08-06 2012-12-28 Dispositif de formation d'un tissu non-tissé ou d'un matelas de fibres floquées

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EP12179382.2A Withdrawn EP2695982A1 (fr) 2012-08-06 2012-08-06 Dispositif et méthode pour égaliser ou obtenir un profil donné à un matelas de flocons de fibres

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EP12199625.0A Active EP2695976B1 (fr) 2012-08-06 2012-12-28 Dispositif pour délivrer des fibres divisées ou des bourres de fibres sur un dispositif de transport
EP12199629.2A Active EP2695984B1 (fr) 2012-08-06 2012-12-28 Dispositif de formation d'un tissu non-tissé ou d'un matelas de fibres floquées

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US (3) US9187852B2 (fr)
EP (4) EP2695982A1 (fr)
CN (3) CN103572506A (fr)
ES (3) ES2533211T3 (fr)

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EP2695976B1 (fr) 2015-02-25
ES2560009T3 (es) 2016-02-17
EP2695982A1 (fr) 2014-02-12
ES2534209T3 (es) 2015-04-20
CN103572510B (zh) 2016-05-11
CN103572511A (zh) 2014-02-12
CN103572506A (zh) 2014-02-12
EP2695983A1 (fr) 2014-02-12
US20140034399A1 (en) 2014-02-06
EP2695984A1 (fr) 2014-02-12
CN103572511B (zh) 2017-04-12
US9187852B2 (en) 2015-11-17
CN103572510A (zh) 2014-02-12
US20140033480A1 (en) 2014-02-06
ES2533211T3 (es) 2015-04-08
EP2695976A1 (fr) 2014-02-12
US9003609B2 (en) 2015-04-14
EP2695984B1 (fr) 2015-03-04
US20140033479A1 (en) 2014-02-06

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