EP3896207B1 - Aiguilleteuse - Google Patents

Aiguilleteuse Download PDF

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Publication number
EP3896207B1
EP3896207B1 EP20193058.3A EP20193058A EP3896207B1 EP 3896207 B1 EP3896207 B1 EP 3896207B1 EP 20193058 A EP20193058 A EP 20193058A EP 3896207 B1 EP3896207 B1 EP 3896207B1
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EP
European Patent Office
Prior art keywords
needle
wires
guiding means
needles
needle loom
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.)
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Application number
EP20193058.3A
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German (de)
English (en)
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EP3896207A1 (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.)
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Application filed by Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to US17/209,963 priority Critical patent/US11384460B2/en
Priority to CN202110400362.XA priority patent/CN113529284B/zh
Publication of EP3896207A1 publication Critical patent/EP3896207A1/fr
Application granted granted Critical
Publication of EP3896207B1 publication Critical patent/EP3896207B1/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
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles

Definitions

  • the present invention relates to a needling machine for needling a textile fabric, such as a non-woven fabric, woven fabric or scrim.
  • Needle machines are well known and for example in Lünen62 and Albrecht: “Vliesstoffe”, Georg-Thieme-Verlag Stuttgart, 1982, p. 122 to 129 or also in Albrecht, Fuchs, Kittelmann: “Vliesstoffe”, Wiley-VCH Verlag Weinheim, 2000, p. 270 ff. described.
  • DE 3304392 A1 discloses a needling machine having upper and lower fabric support and guide means, each formed by a plurality of parallel tensioned wires movable in the conveying direction of the machine.
  • the present invention is based on the object of specifying a needling machine with which a textile fabric can be needled particularly uniformly.
  • the needling machine according to the invention for needling a textile fabric comprises at least one needle bar arranged in a needling zone, on which at least one needle board is arranged, with a large number of needles protruding from the at least one needle board.
  • the needling machine includes at least one drive device for the at least one needle bar, which is designed to move the at least one needle bar at least in a reciprocating stroke movement.
  • the needling machine also comprises upper and lower support and guide means for the fabric, which extend at least in the area of the needling zone, wherein a space for the passage of the fabric is formed between the upper support and guide means and the lower support and guide means .
  • the upper support and guide means are each formed by a multiplicity of tensioned wires arranged in parallel, between which upper passage openings for the needles of the at least one needle board are arranged, and the lower support and guide means are each formed by a multiplicity of tensioned wires arranged in parallel , between which lower passage openings for the needles of the at least one needle board are arranged.
  • the wires of the upper and lower support and guide means are mounted in such a way that they are immovable in a conveying direction of the needling machine.
  • Such a needling machine is particularly suitable for ensuring a high penetration density of the needles into the textile fabric and for effecting a particularly uniform needling of the textile fabric.
  • the wires of the upper and lower support and guide means are fixed in the needling machine.
  • the wires do not move and the fabric slides through the needling zone along the upper and lower support and guide means formed by the wires.
  • the needling machine is designed in such a way that it moves the textile fabric in the conveying direction at least through the needling zone.
  • the conveying direction of the needling machine corresponds to the conveying direction of the textile fabric, at least in the needling zone.
  • the wires of the upper and lower support and guide means are arranged in a stationary manner, at least in the conveying direction.
  • the wires can be completely stationary.
  • the wires of the upper and lower support and guide means can also be mounted so as to be movable relative to one another in a direction perpendicular to the conveying direction of the needling machine towards or away from one another.
  • the gap can be adapted to different thicknesses of the textile fabric.
  • the needling machine In order to move the fabric in the conveying direction through the needling zone, the needling machine generally in each embodiment preferably comprises a conveying device for the fabric.
  • the conveying device can comprise conveying means which are arranged upstream of the needling zone in the conveying direction and are set up to feed the textile fabric to the needling zone.
  • These conveying means arranged upstream of the needling zone comprise, for example, a conveyor belt and/or conveying rollers.
  • the conveying device can additionally or alternatively comprise conveying means which are arranged downstream of the needling zone and are set up to transport the textile fabric or a consolidated textile fabric pick up after the needling zone and move forward.
  • These conveying means arranged downstream of the needling zone comprise, for example, a conveyor belt and/or conveying rollers.
  • a simple construction of the needling machine is favored by the fact that the needling machine itself has no conveying means for the textile fabric in the needling zone.
  • the number of wires of the upper support and guide means arranged next to one another is at least 250 per meter of working width transverse to the conveying direction, preferably at least 400 per meter of working width, more preferably at least 500 per meter of working width, and the number of wires arranged next to one another of the lower ones support and guide means is at least 250 per meter of working width transverse to the conveying direction, preferably at least 400 per meter of working width, more preferably at least 500 per meter of working width.
  • the wires of the upper support and guide means and the wires of the lower support and guide means are preferably finite and each have a first free end and a second free end.
  • the first free end of each wire is defined upstream of the needling zone in the needling machine and the second free end of each wire is defined downstream of the needling zone in the needling machine.
  • wires of the upper support and guide means and the wires of the lower support and guide means are parallel to each other. In this way, the guidance of the textile fabric in the needling zone is optimized.
  • Each wire preferably runs in the conveying direction F of the textile fabric.
  • a longitudinal direction of each wire is then aligned parallel to the conveying direction of the textile fabric.
  • the wires are thus mounted immovably in the needling machine in the conveying direction and in their longitudinal direction.
  • the wires can also run at an angle to the conveying direction of the textile fabric.
  • a longitudinal direction of each wire is then aligned obliquely to the conveying direction of the textile fabric.
  • the longitudinal direction of each wire then has a component parallel to the conveying direction and a component perpendicular to the conveying direction. Consequently, in this case too, the wires are mounted in the needling machine in such a way that they cannot move in the conveying direction and preferably also perpendicularly to the conveying direction.
  • the wires of the upper support and guide means and the wires of the lower support and guide means are vertically aligned. This ensures that all needles do not collide with the wires of the upper support and guide means and the lower support and guide means during the piercing process.
  • the needling machine preferably comprises at least one hold-down plate and at least one needle plate, which are arranged in the needling zone.
  • the hold-down plate and the throat plate then consist of the upper support and guide means and the lower support and guide means.
  • the upper support and guide means form a hold down plate relative to the needle bar for holding down the fabric when the needles of the needle bar are withdrawn from the fabric
  • the lower support and guide means form a needle plate relative to the needle bar for supporting and restraining the fabric Fabric when the needles of the needle bar penetrate into and penetrate the fabric.
  • the upper support and guide means can also form a needle plate and the lower support and guide means can form a hold-down plate when the needle bar is arranged below the textile fabric.
  • both the upper support and guide means and the lower support and guide means have both a hold-down plate for the needles of one needle board and a throat plate for the needles of the respective form other needle boards.
  • all the stitch and hold-down plates of the needle machine are preferably exclusive in all embodiments formed by the wires of the upper and lower support and guide means. Additional stitch or hold-down plates are not provided.
  • the upper passage openings between the wires of the upper support and guide means have a width of between 0.5 mm and 10 mm, preferably between 0.7 mm and 8 mm, more preferably between 0.8 mm and 5 mm.
  • the lower passage openings between the wires of the lower support and guide means have a width of between 0.5 mm and 10 mm, preferably between 0.7 mm and 8 mm, more preferably between 0.8 mm and 5 mm.
  • the wires of the upper support and guide means have a diameter of between 0.4mm and 2mm, preferably between 0.5mm and 1.5mm, more preferably between 0.6mm and 1.2mm .
  • the wires of the lower supporting and guiding means have a diameter of between 0.4 mm and 2 mm, preferably between 0.5 mm and 1.5 mm, more preferably between 0.6 mm and 1 .2 mm.
  • the small diameters of the wires favor a particularly tight stitch pattern and a particularly evenly bonded end product.
  • the needles are arranged in rows which are parallel to an extension direction of the wires of the upper supporting and guiding means and which are arranged at a distance from one another which corresponds to a spacing of the wires of the upper supporting and guiding means.
  • the needling machine also has a cleaning device for each wire. This is particularly suitable for removing fibers adhering to the wire, which are pulled out of the textile fabric during the needling process, and thus ensuring that the needling process runs smoothly.
  • the cleaning device has a nose that runs obliquely in the direction of the respective wire and contacts it on a side of the respective wire that faces away from the gap formed between the upper and lower support and guide means.
  • the needling machine also has a tensioning device for each wire.
  • the first and/or the second end of each wire is attached to a tensioning element.
  • the tightening member such as a bolt or pin, may be pivoted and the first or second end of a wire is wrapped around the tightening member so that the wire can be tightened by rotating the tightening member.
  • a deflection device for each wire is also arranged between the tensioning device and the needling zone, by means of which the respective wire is rotated at an angle of between 60° and 120°, preferably between 70° and 110°, more preferably between 80° and 100° , is deflected based on its arrangement in the needling zone.
  • the wires are deflected upwards or downwards in an area outside the needling zone and release the textile fabric unhindered.
  • the needles in each needle board are at a density of at least 500 needles/dm 2 , preferably at least 1000 needles/dm 2 , more preferably at least 1,500 needles/dm 2 arranged.
  • Such high needle densities lead to a particularly even stitch pattern in the solidified end product.
  • the needles are arranged in needle modules, with each needle module having a large number of needles, and with the needle modules being accommodated in recesses or carriers of the at least one needle board and fastened there.
  • the arrangement of the needles in needle cartridges has several advantages. In this way, individual needle modules can be replaced if there are defective needles and the entire needle board does not have to be removed to retrofit new needles.
  • the needle modules can also be slidably arranged in the needle board and thus the stitch pattern and the needle board assembly can be designed variably.
  • the needle modules can be arranged so close together that there is no gap between the individual needle modules.
  • the wires are preferably in the form of metal wires, in particular steel wires, which are preferably non-rusting.
  • the needling zone preferably extends in the conveying direction F over a range of 20 cm to 200 cm, more preferably 25 cm to 80 cm.
  • the needling zone extends transversely to the conveying direction F, preferably over a range of 200 cm to 500 cm, more preferably 250 cm to 400 cm.
  • Each needle module may have a single row of needles or may have multiple rows of needles.
  • FIG. 1 the schematic structure of a needling machine 1 is shown in a side view.
  • a textile fabric 2, such as a fleece web is fed to an inlet of the needling machine 1 and conveyed to a needling zone V.
  • a needle bar 4 is arranged with a needle board 6 attached to it, which is equipped with needles 8 for solidifying the fabric 2 .
  • the textile fabric 2 to be needled is guided in a gap 7 between upper support and guide means 10 for holding down the textile fabric 2 and lower support and guide means 12 for supporting the textile fabric 2 in the needling zone V.
  • the needles 8 compact the fabric 2 by being pierced into the textile fabric 2 and pulled out again at high frequency.
  • the needles 8 pass through the upper and lower passage openings 30, 32 in the upper support and guide means 10 and the lower support and guide means 12, see FIG Figure 6a . while in 1 the upper and lower support and guide means 10, 12 are only sketched schematically, is the actual design of the upper and lower support and guide means 10, 12 according to the present invention are shown in more detail in the following figures.
  • a drive device 14 is preferably provided, which is designed, for example, as a connecting rod drive.
  • the needle board 6 with the needles 8 can, in a preferred embodiment of a needling machine 1, make a horizontal stroke H parallel run to conveying direction F.
  • the needle board 6 with the needles 8 can be moved in the conveying direction F together with the textile fabric 2 .
  • the needles 8 are moved with the fabric 2 in order to minimize relative movement between the needles 8 and the fabric 2 .
  • either an auxiliary drive acting on the needle board 6 can be provided, or the drive device 14 can be designed accordingly or coupled to the needle bar 4 in a specific way, as is known to the person skilled in the art.
  • the resulting product is a consolidated textile fabric 16, for example a fleece.
  • a wide variety of needle looms 1 are known to those skilled in the art, including double-needle looms in which two needle bars 4 are used for needling from above and below, needling looms with one or more needle boards 6 per needle bar, or needling looms with and without a horizontal stroke. It is understood that the present invention can be applied to different forms of needling looms and is not limited to the embodiment of a needling loom 1 described herein.
  • FIG. 2 to 4 an exemplary embodiment of the needle loom according to the invention is shown in greater detail.
  • the needle machine shown is a double-needle machine with an upper needle board 6 and a lower needle board 6.
  • the lower support and guide means 12 also have a hold-down function for the needles 8 of the needle board 6 arranged below the fabric 2.
  • the needles 8 of both needle boards 6 are alternately pierced into the textile fabric 2 and thus impede one another the time lag of the lancing movements.
  • the needles 8 on both needle boards 6 are arranged mirror-symmetrically to the longitudinal center plane lying between the needle boards 6, but they can also be arranged offset to one another.
  • FIGs 2 to 4 a puncture position of the needles 8 of the upper needle board 6 is shown, in which these needles 8 pass through the passage openings 30, 32 in the upper support and guide means 10 and in the lower support and guide means 12.
  • the lower needles 8 would have passed through the passage openings 30, 32 accordingly.
  • the needles 8 in Figures 2 to 4 are shown with blunt tips for clarity. In reality, the tips of the needles 8 are pointed.
  • the needles 8 are each accommodated in needle modules 18 which in turn are accommodated in receptacles or carriers 20 of the needle board 6 .
  • C-shaped carriers 20 are provided for accommodating a thicker section of the needle module 18.
  • the carrier 20 has two shoulders at its open end, which extend inwards toward one another. After the needle module 18 has been pushed into the C-shaped carrier 20 , a form-fitting connection is created which prevents movement of the needle module 18 in the puncture direction E relative to the carrier 20 .
  • the needle modules 18 can be arranged in rows and columns in the needle board 6, as shown in FIG 2 emerges.
  • the arrangement of the needle modules can be almost arbitrary, as long as the respective needles 8 always hit through openings 30, 32 of the support and guide means 10, 12 during the lancing movement. In this way, rows of needles with several dozen or several hundred needles 8 can be formed in the conveying direction F of the textile fabric 2 .
  • Each needle bar 4 can have exactly one needle board 6 or also have two or more needle boards 6 .
  • Several needling machines can also be arranged one after the other in the conveying direction F.
  • the upper support and guide means 10 and the lower support and guide means 12 are each formed according to the invention by tensioned wires 22 running parallel.
  • the wires 22 preferably run in the conveying direction F of the textile fabric 2.
  • the arrangement of the wires 22 in the upper support and guide means 10 and in the lower support and guide means 12 preferably corresponds to one another, so that the through-openings 30 are also arranged with the through-openings 32 correspond.
  • the passage openings 30, 32 between the wires 22 of the upper and lower supporting and guiding means 10, 12 have a width B of between 0.5 mm and 10 mm.
  • the wires 22 of the upper and lower support and guide means 10, 12 respectively have a diameter D of between 0.4mm and 2mm.
  • a needle 8 corresponding to a passage opening 30, 32 is arranged transversely to the conveying direction F.
  • two or more needles 8 it is also possible for two or more needles 8 to pass side by side transversely to the conveying direction F through one of the passage openings 30 , 32 during the puncture movement of the needles 8 .
  • the wires 22 are bent upwards or downwards at the front and rear end of the needle bar 4 and are brought under tension for each wire 22 there by means of suitable tensioning devices 24 (shown only schematically here). Out of 2 only the course of the wire at the rear end of the needle bar 4 can be seen. At the front end, the wire course is symmetrical to this. How also from 2 shows, a deflection device 26 is provided between the tensioning device 24 and the needling zone V, by means of which the respective wire 22 is deflected by an angle of between 60° and 120°, based on its arrangement in the needling zone V. The angle is preferably 90°. This results in a U-shape for the course path of the wires 22 .
  • the needling machine also includes a cleaning device 28 for each wire 22, which is preferably arranged downstream of the needling zone V.
  • a cleaning device 28 for each wire 22 is shown in Figures 5a and 5b shown.
  • the cleaning device 28 is formed by a nose 29 which runs obliquely from above or from below in the direction of the respective wire 22 and obliquely counter to the conveying direction F and touches the wire 22 .
  • each nose 29 has a groove at its tip, in which the wire 28 is at least partially accommodated. This also ensures good guidance of the wires 22 . With such an arrangement, fibers moving along a wire 22 can be guided upwards from the nose 29 into a recess, thereby preventing a blockage in the exit area of the support and guide means 10, 12.
  • the cleaning device 28 may include additional components that ensure that the fibers that are routed into the recesses are permanently removed from there. Brushes or blowers, for example, can be used for this.
  • the cleaning device 28 can also be connected in one piece to the deflection device 26 or to a section of the deflection device 26 .

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Catching Or Destruction (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)

Claims (15)

  1. Aiguilleteuse servant à l'aiguilletage d'une structure textile plane (2), comportant :
    au moins une barre d'aiguilles (4) disposée dans une zone d'aiguilletage (V), barre d'aiguilles sur laquelle est disposée au moins une planche à aiguilles (6), une pluralité d'aiguilles (8) dépassant de l'au moins une planche à aiguilles (6),
    au moins un dispositif d'entraînement (14) pour l'au moins une barre d'aiguilles (4), lequel est configuré pour déplacer l'au moins une planche à aiguilles (4) au moins suivant un mouvement alterné de va-et-vient, et des moyens de support et de guidage supérieurs et inférieurs (10, 12) pour la structure textile plane (2), lesquels s'étendent au moins dans la région de la zone d'aiguilletage (V), un espace intermédiaire (7) pour le passage de la structure textile plane (2) étant formé entre les moyens de support et de guidage supérieurs (10) et les moyens de support et de guidage inférieurs (12), les moyens de support et de guidage supérieurs (10) étant formés respectivement par une pluralité de fils (22) disposés parallèlement et tendus, entre lesquels sont disposées des ouvertures de passage supérieures (30) pour les aiguilles (8) de l'au moins une planche à aiguilles (6), et
    les moyens de support et de guidage inférieurs (12) étant formés respectivement par une pluralité de fils (22) disposés parallèlement et tendus, entre lesquels sont disposées des ouvertures de passage inférieures (32) pour les aiguilles (8) de l'au moins une planche à aiguilles (6),
    caractérisée en ce que
    les fils (22) des moyens de support et de guidage supérieurs et inférieurs (10, 12) sont montés de telle sorte qu'ils sont fixes dans une direction d'avancement (F) de l'aiguilleteuse.
  2. Aiguilleteuse selon la revendication 1, caractérisée en ce que le nombre de fils juxtaposés (22) des moyens de support et de guidage supérieurs (10) vaut au moins 250 par mètre de largeur de travail transversalement à la direction d'avancement (F), de préférence au moins 400 par mètre de largeur de travail, plus préférablement au moins 500 par mètre de largeur de travail, et en ce que la pluralité de fils juxtaposés (22) des moyens de support et de guidage inférieurs (12) vaut au moins 250 par mètre de largeur de travail transversalement à la direction d'avancement (F), de préférence au moins 400 par mètre de largeur de travail, plus préférablement au moins 500 par mètre de largeur de travail.
  3. Aiguilleteuse selon la revendication 1 ou 2, caractérisée en ce que les fils (22) des moyens de support et de guidage supérieurs (10) et les fils (22) des moyens de support et de guidage inférieurs (12) s'étendent parallèlement les uns aux autres et de préférence dans la direction d'avancement (F).
  4. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les fils des moyens de support et de guidage supérieurs (10) et les fils des moyens de support et de guidage inférieurs (12) forment, dans la zone d'aiguilletage (V), pris séparément, sans éléments structuraux supplémentaires, une plaque de maintien vers le bas ou une plaque de piquage de l'aiguilleteuse.
  5. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les fils (22) des moyens de support et de guidage supérieurs (10) et les fils (22) des moyens de support et de guidage inférieurs (12) sont alignés les uns avec les autres dans la direction verticale.
  6. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les ouvertures de passage supérieures (30) entre les fils (22) des moyens de support et de guidage supérieurs (10) présentent une largeur (B) entre 0,5 mm et 10 mm, de préférence entre 0,7 mm et 8 mm, plus préférablement entre 0,8 mm et 5 mm et/ou en ce que les ouvertures de passage inférieures (32) entre les fils (22) des moyens de support et de guidage inférieurs (12) présentent une largeur (B) entre 0,5 mm et 10 mm, de préférence entre 0,7 mm et 8 mm, plus préférablement entre 0,8 mm et 5 mm.
  7. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les fils (22) des moyens de support et de guidage supérieurs (10) présentent un diamètre (D) entre 0,4 mm et 2 mm, de préférence entre 0,5 mm et 1,5 mm, plus préférablement entre 0,6 mm et 1,2 mm, et/ou en ce que les fils (22) des moyens de support et de guidage inférieurs (12) présentent un diamètre (D) entre 0,4 mm et 2 mm, de préférence entre 0,5 mm et 1,5 mm, plus préférablement entre 0,6 mm et 1,2 mm.
  8. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les aiguilles (8) sont disposées en rangées, les rangées s'étendant parallèlement à une direction d'étendue des fils (22) des moyens de support et de guidage supérieurs (10), et les rangées étant disposées suivant un espacement les unes par rapport aux autres, lequel correspond à un espacement des fils (22) des moyens de support et de guidage supérieurs (10).
  9. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend en outre un dispositif de nettoyage (28) pour chaque fil (22).
  10. Aiguilleteuse selon la revendication 9, caractérisée en ce que le dispositif de nettoyage (28) est disposé en aval de la zone d'aiguilletage (V).
  11. Aiguilleteuse selon la revendication 10 ou 11, caractérisée en ce que le dispositif de nettoyage (28) comprend un ergot (29) qui s'étend de manière oblique en direction du fil (22) respectif et est en contact avec celui-ci respectivement sur un côté du fil (22) respectif qui est opposé à l'espace intermédiaire (7) formé entre les moyens de support et de guidage supérieurs et inférieurs (10, 12).
  12. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend en outre un dispositif de tension (24) pour chaque fil (22).
  13. Aiguilleteuse selon la revendication 12, caractérisée en ce qu'un dispositif de déviation (26) pour chaque fil (22) est prévu entre le dispositif de tension (24) et la zone d'aiguilletage (V), dispositif de déviation au moyen duquel le fil (22) respectif est dévié d'un angle entre 60° et 120°, de préférence entre 70° et 110°, plus préférablement entre 80° et 100°, par rapport à sa disposition dans la zone d'aiguilletage (V).
  14. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les aiguilles (8) dans chaque planche à aiguilles (6) sont disposées suivant une densité d'au moins 500 aiguilles/dm2, de préférence d'au moins 1.000 aiguilles/dm2, plus préférablement d'au moins 1.500 aiguilles/dm2.
  15. Aiguilleteuse selon l'une des revendications précédentes, caractérisée en ce que les aiguilles (8) sont disposées en modules d'aiguilles (18), chaque module d'aiguilles (18) comprenant une pluralité d'aiguilles (8), et les modules d'aiguilles (18) étant reçus dans des évidements ou des supports (20) de l'au moins une planche à aiguilles (6).
EP20193058.3A 2020-04-17 2020-08-27 Aiguilleteuse Active EP3896207B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/209,963 US11384460B2 (en) 2020-04-17 2021-03-23 Needlepunching machine
CN202110400362.XA CN113529284B (zh) 2020-04-17 2021-04-14 针刺机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20170250.3A EP3896206B1 (fr) 2020-04-17 2020-04-17 Aiguilleteuse

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Publication Number Publication Date
EP3896207A1 EP3896207A1 (fr) 2021-10-20
EP3896207B1 true EP3896207B1 (fr) 2022-04-13

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EP20170250.3A Active EP3896206B1 (fr) 2020-04-17 2020-04-17 Aiguilleteuse
EP20193058.3A Active EP3896207B1 (fr) 2020-04-17 2020-08-27 Aiguilleteuse

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US (1) US11384460B2 (fr)
EP (2) EP3896206B1 (fr)
CN (1) CN113529284B (fr)
ES (1) ES2936633T3 (fr)
PL (1) PL3896206T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4202099A1 (fr) * 2021-12-22 2023-06-28 Oskar Dilo Maschinenfabrik KG Planche à aiguilles et procédé de montage d'une planche a aiguilles

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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US2974393A (en) * 1959-01-08 1961-03-14 Du Pont Apparatus for needle punching sheet materials
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CN202298099U (zh) * 2011-10-11 2012-07-04 东华大学 一种非织造栅控恒压电晕充电针刺加固机构
EP2886694B1 (fr) * 2013-12-17 2016-09-07 Oskar Dilo Maschinenfabrik KG Procédé d'entraînement d'une planche à aiguilles dans une aiguilleteuse
EP3165660B1 (fr) * 2015-11-06 2018-05-23 Oskar Dilo Maschinenfabrik KG Planche a aiguilles
CN110295458A (zh) * 2019-07-31 2019-10-01 上海应用技术大学 一种非织造布用单主轴双驱动针板的针刺机

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EP3896206B1 (fr) 2022-12-14
US20210324558A1 (en) 2021-10-21
ES2936633T3 (es) 2023-03-21
PL3896206T3 (pl) 2023-04-11
CN113529284B (zh) 2022-12-27
CN113529284A (zh) 2021-10-22
EP3896207A1 (fr) 2021-10-20
EP3896206A1 (fr) 2021-10-20

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