EP3976333A1 - Dispositif et procédé de fabrication d'un non-tissé - Google Patents

Dispositif et procédé de fabrication d'un non-tissé

Info

Publication number
EP3976333A1
EP3976333A1 EP20732121.7A EP20732121A EP3976333A1 EP 3976333 A1 EP3976333 A1 EP 3976333A1 EP 20732121 A EP20732121 A EP 20732121A EP 3976333 A1 EP3976333 A1 EP 3976333A1
Authority
EP
European Patent Office
Prior art keywords
forming belt
separation roller
litter space
chute
litter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20732121.7A
Other languages
German (de)
English (en)
Inventor
Klaus Plutowsky
Stefan Sauer
Daniel Schwartze
Reinhard Schwinn
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.)
Dieffenbacher GmbH Maschinen und Anlagenbau
Original Assignee
Dieffenbacher GmbH Maschinen und Anlagenbau
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 Dieffenbacher GmbH Maschinen und Anlagenbau filed Critical Dieffenbacher GmbH Maschinen und Anlagenbau
Publication of EP3976333A1 publication Critical patent/EP3976333A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B27N3/14—Distributing or orienting the particles or 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
    • B27N1/00—Pretreatment of moulding material
    • 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
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent
    • B27N1/029—Feeding; Proportioning; Controlling
    • 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
    • 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
    • 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
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • 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
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • 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
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres

Definitions

  • the invention relates to a device for producing a fleece from material, preferably in the course of producing a pressed material mat for producing material panels according to claim 1.
  • the invention also relates to a method for producing a fleece from material, preferably in the course of producing a pressed material mat for producing material panels according to claim 19.
  • a material usually a mixture of particles or fibrous substances and a binding agent, is scattered to form a grit mat on a molding or conveyor belt, the grit mat then possibly requiring one
  • the compression can be carried out continuously or discontinuously by means of pressure and heat.
  • these are chipboard, fiber or chipboard panels.
  • the scattering takes place in one or more layers, as required, the need for several layers usually occurring in the manufacture of thicker panels. However, different layers may also be desired in the manufacture of thin panels, especially if there are special differentiated requirements between the middle layer and the top layers.
  • panels that can be painted on one side are desired, which can serve as cabinet rear walls and should have the desired grain / color at least on the inside of the cabinet. From DE 100 25 177 A1 a method and a device for
  • a negative pressure is applied to the molding belt so that the dissolved fibers are advantageously placed in a layer on the molding belt and are transported away.
  • the vacuum chambers can be set differently with regard to the vacuum across the width of the molding belt.
  • the above disclosures are suitable for generating single-layer fiber mats, also called pressed material mats, preferably in the course of the production of medium-density fiber boards (MDF), which are designed to be relatively homogeneous in their structure.
  • MDF medium-density fiber boards
  • the object of the present invention is to create a device and a method with which it is possible in a generic
  • preferably medium-density, fibers processes may also be used to use chips or similarly structured material.
  • the invention understands “material” as suitable particles, fibers, chips or the like, which are preferably but not necessarily free-flowing. It can particularly preferably be material from a recycling process, the recycled content of the material being able to range from 0 to 100%.
  • Materials with a cross section of less than 3 mm, preferably less than 2.5 mm, particularly preferably less than 2 mm are particularly suitable.
  • the material can also be used in the middle layer in a multi-layer scattering process.
  • the object is achieved for a device for producing a fleece from free-flowing material, preferably in the course of producing a pressed material mat for producing material panels, with a device which comprises:
  • Separation roller for the material with a wall arranged in the direction of rotation of the separation roller and an adjoining discharge edge
  • the (high) circumferential speed of the needle roller and the air flow are advantageous influencing vacuum boxes at least one turbulent air flow in the first litter space, preferably in the vicinity of the guide plate near the discharge edge of the separation roller.
  • This turbulence has an increased effect on the fine, lighter, smaller fractions of the material, as these have a lower momentum. In this way, the fine particles separate from the rest of the flow of material and accumulate in the first litter space against the direction of production.
  • the invention and the separation in the device for producing the nonwoven create a fine surface on the
  • the same device could be arranged mirror-inverted on the forming belt or only an application device for fine material is connected downstream.
  • the guide plate is arranged to be adjustable and / or bendable longitudinally and transversely to the forming belt, with the guide plate being particularly preferably designed in multiple parts longitudinally and / or transversely.
  • the pitch arranged in the direction of the molding belt and thus the guidance of the material in the direction of the molding belt can be adjusted.
  • differentiated distances to the forming belt in and across the transport direction of the forming belt can be set over the width. This results in a three-dimensionally adjustable profile of the guide plate, which at the same time serves as the upper limit of the first litter space.
  • at least one wall of the chute can be arranged to be adjustable and / or the chute can, in particular, be designed to be conical adjacent to the separation roller or to reduce the cross-section along the material flow.
  • a roller which at least partially removes the surface of the fleece can be arranged in the transport direction of the forming belt after the first scattering space. This serves to equalize and / or adjust the mat height or the surface.
  • the roller could preferably have vacuum boxes across the width of the forming belt
  • At least one flap for adjusting the amount of air entering the chute can be arranged in the chute and / or the metering device. In this way, on the one hand, the air volume can be regulated, which is caused by the falling material flow or the discharge device of the
  • Dosing device is carried away.
  • the air available for the turbulence can be adjusted in the first litter space.
  • the first litter space can be used against the first litter space
  • a further litter space can be arranged in the transport direction of the forming belt, further vacuum boxes preferably being arranged on the lower side of the forming belt.
  • fine material can be enriched in the expanded second litter space and is preferably deposited there on the surface of the forming belt by the vacuum boxes.
  • a vacuum connection can be arranged at the second litter space, preferably at the end facing away from the first litter space his. This is used, for example, to adjust the spreading behavior in the second and, to a certain extent, also in the first spreading space.
  • an air guiding device for adjusting the supply air between the forming belt and the air guiding device can be arranged at the entrance of the forming belt into the second litter space, which is particularly preferably adjustable in sections across the width of the forming belt.
  • Metal sheets are then preferably arranged across the width, which can be moved towards or away from the forming belt in the manner of sluice gates and let in more or less air in accordance with the gap between them.
  • a second wall extending as far as the chute preferably designed as a sheet metal partially enclosing the separation roller, can be arranged in the first litter space in the direction of rotation of the separation roller, spaced after the discharge edge. This makes it possible to show or hide the influence of the separation roller on the turbulence, in particular if the second wall or the enclosing sheet metal is designed to be adjustable and the angle around the separation roller that is covered by the enclosure is adjustable.
  • a supply air can be arranged on the second wall and / or on the guide plate, preferably between them.
  • adjustable supply air flaps can preferably be arranged in the first litter space. The supply air can be used in order to be able to control the turbulence more carefully, which advantageously even differentiates across the
  • Transport direction of the molding belt can be adjustable.
  • a supply air flap can also be adjustable across the width, for example to be able to set a supply air profile across the width.
  • metal sheets are then arranged across the width, which can be moved in the manner of sluice gates and allow more or less air to enter, depending on the size of the gap.
  • a molding belt with a permeability of less than 850 m 3 / h, preferably from 250 m 3 / h to 680 m 3 / h, particularly preferably from 360 m 3 / h to 500 m 3 / h can be arranged. It has been shown in the tests that to control the turbulence and to optimally store the
  • a sieve preferably a flarf sieve
  • This arrangement of the flaring sieve has the advantage that excessively large or coarser particles of the material are avoided from the first into the second litter space and the surface quality is improved.
  • the sieve would be arranged in operative connection with the discharge edge in a particularly advantageous manner.
  • the distance can be any distance between the two distances.
  • first litter space in the direction of transport and to the second litter space in the opposite direction.
  • the vacuum boxes can be segmented in length and width relative to the forming belt and / or the
  • the suction capacity of the vacuum boxes can be controlled or regulated via a basis weight scale connected downstream of the device, preferably a radiating measuring system, and an associated control or regulating device, for setting or improving the spreading accuracy.
  • a profile combing the elevations of the separation roller can be arranged on the second wall, the profile preferably being arranged in the direction of rotation of the separation roller at the beginning of the second wall.
  • disruptive elements can be arranged in the first litter space and / or in the second litter space, preferably a roller bed, sieves, blocks, metal sheets, perforated plates, pipes and the like, which are particularly preferably adjustable at a distance, longitudinally and / or transversely to the forming belt. Particularly preferably, these disruptive elements are arranged either laterally, that is to say transversely to the transport direction, so that they can be moved out of and into the device, or within the
  • Device retreat areas are arranged in which the disruptive elements can be moved in order to arrange them quasi “invisible” or non-disruptive for the corresponding air currents.
  • the device but at least the
  • Separation roller preferably with discharge edge and / or the guide plate and / or the litter spaces can be arranged adjustable in their distance from the forming belt in order to be able to react easily to operational changes or to be able to set different operating conditions.
  • Form belt be aligned in or against the transport direction.
  • Embodiment of the device the difference that the material through the wall and the discharge edge in the first embodiment (vector in the transport direction) is essentially parallel or at least with its predominant vector component parallel to the forming belt
  • the predominant vectorial component will be vertical or the material will emerge essentially perpendicular to the forming belt from the wall or the discharge edge into the first litter space.
  • the task is for a method for the production of a fleece
  • Free-flowing material preferably in the course of the production of a pressed material mat for the production of material panels, with the following
  • the material is introduced into a first litter space delimited by a guide plate and the guide plate at least partially guides the material emerging from the discharge edge,
  • the material is picked up in the first litter space by a forming belt that runs continuously in the transport direction and
  • the guide plate can be set longitudinally and / or transversely in its distance from the forming belt by adjusting and / or bending, preferably in sections and most preferably by adjusting a longitudinal and / or transversely multi-part guide plate;
  • At least one wall of the chute can be adjusted and the chute is preferably designed adjacent to the separation roller conical or with a reduced cross-section;
  • the surface of the fleece can be adjusted or removed at least partially by a rotating roller, with vacuum boxes being preferably assigned to the roller across the width of the forming belt and particularly preferably in the vacuum boxes in sections via the Width adjustable tables set the distance between the forming belt and the roller.
  • the amount of air entering the chute can be adjusted with at least one flap
  • the material can be deposited on the forming belt by means of a further litter space, which is arranged opposite to the transport direction on the first litter space, whereby further vacuum boxes are preferably used on the other side of the forming belt to generate an air flow onto the forming belt;
  • a vacuum can be applied by means of a vacuum connection
  • Air guiding device adjusts the supply air between the forming belt and the air guiding device, which particularly preferably adjusts the supply air in sections across the width of the forming belt.
  • a second wall reaching as far as the chute can be used after the discharge edge, preferably by means of a sheet metal partially enclosing the separation roller;
  • supply air can be introduced and / or adjustable supply air flaps can be used in the first litter space;
  • a sieve can be placed between the first and the second litter space
  • a harp screen can be used, the screen particularly preferably being used in operative connection with the discharge edge;
  • the distance between the guide plates and the forming belt from the discharge edge can be reduced, at least in sections, preferably along a parabola or flyperbel.
  • the vacuum boxes can be used in length and width to form the forming belt
  • Basis weight balance preferably a radiograph
  • Measuring system and an assigned control or
  • Control device to adjust or improve the
  • Spreading accuracy can be controlled or regulated
  • a profile combing the elevations of the separation roller could be used on the second wall in the return, the profile preferably combing the elevations in the direction of rotation of the separation roller at the beginning of the return;
  • disruptive elements could be used, preferably a roller bed, sieves, blocks, sheets, perforated plates, and these are particularly preferably adjusted at a distance, longitudinally and / or transversely to the forming belt depending on the production specifications;
  • the distance between the device and the forming belt can be adjusted according to the necessary operating conditions
  • the material exiting from the first wall or from the discharge edge has a vector predominantly speed component parallel or perpendicular to the forming belt.
  • Invention corresponds to an outlet opening which is formed by the separation roller and the enveloping wall when the wall ends.
  • a drive for the separation roller can be arranged which is suitable for driving the separation roller at 25 to 2000 revolutions per minute.
  • the drawing shows a device for producing a fleece or a pressed material mat on a forming belt 2, which is guided endlessly in the transport direction 13 from right to left.
  • a pressing device for the production of material plates, after device 1, a pressing device and, if necessary, further
  • a metering device 22 is used to supply the device 1 with the necessary material in a pre-dissolved and metered manner. This is done in an exemplary
  • the metering device 22 feeds the material on a metering belt 17 in a predetermined amount and / or height to a knock-off roller or metering roller 18.
  • This metering roller 18 transfers the material in a metered manner to a chute 5, which transfers the material to a separation roller 3 at its other end, which transfers the material through its rapid rotation and through the elevations 31 arranged on the surface of the separation roller 3,
  • metering device 22 and especially metering roller 18 are provided with a housing 19.
  • flaps 20 with associated actuating drives 21 for controlling the air entrained by the material and / or supply air can be arranged.
  • the walls 16 of the chute 5 can be adjustable with respect to their angle to one another.
  • the dissolved material is guided by the separation roller 3 along a delimiting wall 4 until it is transferred to a first litter space 27 of the device 1 at a discharge edge 26.
  • the wall essentially accompanies the radius of the separation roller 3.
  • the scattering space 27 is formed at the bottom by the forming belt 2 and at the top by a guide plate 7 and correspondingly proportionately through the separation roller or parts of the
  • Air 24 can be fed to the first litter space 27 at any point, preferably between the second wall 6 and the guide plate.
  • This supply air 24 can be controlled or regulated via adjusting drives 23 and / or via supply air flaps 25. These are preferably adjustable or arranged in sections over the width of the forming belt 2.
  • a profile 30 is arranged which meshes with the elevations 31 of the separation roller 3; see. the sectional drawing at the bottom left. This is used to introduce as little entrained and accelerated air as possible into the return of the second wall 6 and at the same time to clean the elevations 31 with a correspondingly sharp contour.
  • vacuum boxes 10 are arranged below the forming belt, which are preferably longitudinal and transverse to
  • Forming belt 2 segmented and arranged adjustable with regard to their suction power. A similar structure is found in the opposite of
  • the first litter space 27 and the second litter space are in an advantageous embodiment through a sieve 9, for example a Harp screen, separated from each other and form two separately adjustable
  • Storage areas 14 and 15. The separation between the two litter spaces in the area of the discharge edge 26 is preferably assumed technologically.
  • the litter space 28 is also covered by a guide plate 8, which is designed to be adjustable or changeable analogously to the guide plate.
  • the side walls delimiting the longitudinal sides of the molding belt are
  • a vacuum connection 12 can be assigned to the second litter space 28, which is preferably again segmented adjustable over the width of the
  • An air guiding device 32 for supply air which is arranged at the entrance of the forming belt to the scattering space 28, can furthermore be arranged in operative connection or at a distance from the optional vacuum connection.
  • Air guiding device 32 can consist, for example, of a plurality of slidable metal sheets 33 arranged transversely to the forming belt 2, which via their distance from the forming belt 2 adjust the access of the air from outside the device 1 to the second litter space 28, cf. the sectional drawing at the bottom right. Actuators for displacement are not shown in the figure.
  • material is transferred from the metering device 22 into the chute 5, separated by the subsequent separation roller 3, accelerated along the wall 4 and introduced into the first litter space 27 via a discharge edge 26.
  • a turbulent flow will usually develop there.
  • the vacuum boxes 10 can be used to store the Material and the degree of separation can also be influenced. According to the
  • Vacuum boxes 11 and / or the vacuum connection 12 in the second litter space 28 can be removed from the first litter space 27. This separated
  • the material portion is now enriched as very fine material in the second litter space 28 and deposited there on the forming belt.
  • a very thin cover layer is formed
  • Preßgutmatte in the second litter space 28 which is covered in the first litter space 27 by the coarser material.
  • the definition of the first and second litter spaces 27, 28 results from the path of the material flow and not from the time sequence of the deposition on the forming belt.
  • Separation roller 3 are turned over. According to the drawing, this no longer runs clockwise, but counter-clockwise. Thus, the vector of the direction of rotation 29 at the next point on the separation roller 3 becomes
  • Forming belt 2 can no longer be arranged in, but against, the transport direction 13. Such a rotation will reverse the defined arrangement of the walls 4 and 6, so that the discharge edge 26 is arranged on the wall 6 and the wall 4 forms the return line according to the drawing. The other elements remain in their function and here too the turbulence in the litter space 27 will lead to a separation of the material.
  • the exit angle of the material will primarily no longer be in the transport direction 13 as in the first exemplary embodiment, but rather will be directed towards the forming belt 2. In an advantageous manner, however, the coarser material will rather approach the forming belt 2 directly and be sucked in, whereas the lighter material fraction in the

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un dispositif de fabrication d'un non-tissé à partir de matériaux, de préférence au cours de la fabrication d'une natte de matière à presser, pour la fabrication de plaques de matériaux et fait référence à un procédé correspondant. Le dispositif selon l'invention comprend - un dispositif de dosage (22) pour la décharge dosée du matériau dans un puits de chute (5), - un rouleau de séparation (3), disposé à l'autre extrémité du puits de chute (5), pour le matériau, comprenant une paroi (4) disposée dans une direction de rotation (29) du rouleau de séparation (3) et un bord déverseur (26) y faisant suite, - une première chambre d'épandage (27) comprenant une tôle de guidage (7) pour la limitation et pour le guidage au moins partiel du matériau du rouleau de séparation (3) sortant du bord déverseur (26), - une bande de formage (2) circulant sans fin dans la direction de transport (13) du matériau sortant pour la reception du matériau sur un premier côté de la bande de formage (2) dans la première chambre d'épandage (27). Des caisses de vide (10) de l'autre côté de la bande de formage (2) pour la génération d'un flux d'air orienté en direction de la bande de formage (2) dans la première chambre d'épandage (27) 1598.
EP20732121.7A 2019-05-26 2020-05-25 Dispositif et procédé de fabrication d'un non-tissé Withdrawn EP3976333A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019114037.4A DE102019114037A1 (de) 2019-05-26 2019-05-26 Vorrichtung und Verfahren zur Herstellung eines Vlieses
PCT/EP2020/064475 WO2020239712A1 (fr) 2019-05-26 2020-05-25 Dispositif et procédé de fabrication d'un non-tissé

Publications (1)

Publication Number Publication Date
EP3976333A1 true EP3976333A1 (fr) 2022-04-06

Family

ID=71083582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20732121.7A Withdrawn EP3976333A1 (fr) 2019-05-26 2020-05-25 Dispositif et procédé de fabrication d'un non-tissé

Country Status (3)

Country Link
EP (1) EP3976333A1 (fr)
DE (1) DE102019114037A1 (fr)
WO (1) WO2020239712A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020125404A1 (de) 2020-09-29 2022-03-31 Voith Patent Gmbh Luftlegeeinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635301A (en) * 1948-09-30 1953-04-21 Plywood Res Foundation Web or mat forming device
DE19640622C2 (de) * 1996-10-01 1998-11-12 Moeller Plast Gmbh Baustoff und Verfahren sowie Vorrichtung zur Herstellung eines Baustoffs
DE10156070B4 (de) * 2000-05-24 2009-11-19 Flakeboard Company Limited, St.Stephen Verfahren und Vorrichtung zur Auflösung von Ungleichmäßigkeiten in Holzfaserströmen
DE10025177B4 (de) * 2000-05-24 2004-04-15 Flakeboard Company Limited, St.Stephen Verfahren und Vorrichtung zur Auflösung von Ungleichmäßigkeiten in Holzfaserströmen
DE202004004037U1 (de) * 2004-03-12 2004-05-13 Binos Technologies Gmbh & Co. Kg Vorrichtung zur Herstellung von Span- un Faserplatten
CN101259633B (zh) * 2007-03-05 2011-04-27 上海人造板机器厂有限公司 中密度纤维板真空机械铺装机

Also Published As

Publication number Publication date
WO2020239712A1 (fr) 2020-12-03
DE102019114037A1 (de) 2020-11-26

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