EP2640890B1 - Dispositif et procédé de fabrication d'une bande de matériau - Google Patents

Dispositif et procédé de fabrication d'une bande de matériau Download PDF

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Publication number
EP2640890B1
EP2640890B1 EP11773254.5A EP11773254A EP2640890B1 EP 2640890 B1 EP2640890 B1 EP 2640890B1 EP 11773254 A EP11773254 A EP 11773254A EP 2640890 B1 EP2640890 B1 EP 2640890B1
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EP
European Patent Office
Prior art keywords
fibrous web
permeable
belt
press
pressing
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.)
Not-in-force
Application number
EP11773254.5A
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German (de)
English (en)
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EP2640890A1 (fr
Inventor
Manfred Feichtinger
Luiz Carlos Silva
Thomas Scherb
Joao Victor Boechat
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Voith Patent GmbH
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Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to EP13198087.2A priority Critical patent/EP2712958B1/fr
Publication of EP2640890A1 publication Critical patent/EP2640890A1/fr
Application granted granted Critical
Publication of EP2640890B1 publication Critical patent/EP2640890B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
    • D21F9/006—Complete machines for making continuous webs of paper of the twin-wire type paper or board consisting of two or more layers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0272—Wet presses in combination with suction or blowing devices

Definitions

  • the invention relates to a machine for producing a multilayer fibrous web, in particular a board web, having a basis weight of more than 40 g / m 2 , with a forming region for forming the fibrous web layers at least two Lagenformier Schemee to form the multilayer fibrous web, as well as with a the molding area subsequent pressing area.
  • the invention also relates to a method for producing a multilayer fibrous web, as well as the use of the machine.
  • the document EP1780332 A1 describes a machine for producing a board web.
  • the board web of 4 fibrous web layers, which are each formed in Lagenformier Schemeen, produced in the forming area.
  • the further dewatering by roll pressing in a pressing area.
  • the drying takes place in a subsequent drying section.
  • a Yankee cylinder is provided within the dryer section.
  • a broad nip calender is installed to further improve the smoothness of the board web. This is followed by a coating device for applying a stroke to one side of the board web, followed by final drying and reeling of the board web.
  • tissue web is passed between a circulating permeable belt and a circulating permeable support belt lying through a press zone.
  • the object of the present invention is to improve the known manufacturing process for a paper and board web in terms of their quality and its cost-effectiveness.
  • a dewatering unit with a press zone through which the fibrous web between a circumferential, permeable belt and a circumferential, permeable support belt is passed, is provided, and wherein the pressing zone is formed such that the permeable belt, the Fiber web and the permeable support band, at least on a part of Length of the press zone, can be flowed through by a fluid and the press zone is formed by a permeable pressing member and a permeable counter element and the dewatering unit is arranged in the pressing region such that the fibrous web is taken from a preceding surface by the permeable belt or by the permeable support belt and is guided through the press zone.
  • the fibrous web is gently dewatered, wherein the applied mechanical dewatering pressure can be adjusted almost independent of the intensity of the flow through the fibrous web with the fluid.
  • the strength values of the multilayer fibrous web in particular the splitting strength, are improved.
  • the drainage is very volume-saving, so that the thickness of the fibrous web decreases less by the pressing process than in the known manufacturing processes. Since the thickness of the fibrous web substantially influences the mechanical strength, as for example in the case of a bending load, the mechanical strength of the fibrous web can be increased by the solution according to the invention or fiber material can be saved by reducing the basis weight with the same strength.
  • the solution according to the invention makes it possible to produce a paper or board web, in particular a folding carton web with a high specific volume and at the same time good smoothness.
  • the flow direction of the fluid is selected so that first the permeable pressing element, then the permeable band, the fibrous web or the fibrous web layer and then the permeable support band are flowed through.
  • the permeable pressing element is preferably a mechanical pressing element for forming a mechanical pressure on the permeable band and thus on the fibrous web.
  • the counter element is designed as a roller or a box with a curved or flat contact surface
  • the roller is preferably a suction roller.
  • it has an internal suction box with one, preferably two or more suction zones. These extend essentially, as seen in the machine direction, to the length of the press zone.
  • the suction roll can also be designed as a grooved or grooved and drilled roll.
  • an external suction box may be provided for sucking the grooves. This results in an efficient flow guidance of the fluid through the press zone. Flow losses can be minimized.
  • the permeable pressing element consists of a press belt and / or a press shoe. If only one press belt is used as the press element, then it is conceivable to use a further press element, for example in the form of a roller or a press shoe, within the press belt loop. Thus, the mechanical dewatering pressure can be increased locally within the press zone.
  • the press shoe serves as a pressing element, it may be designed to be permeable or grooved and / or drilled in order to allow flow through the pressing zone with the fluid.
  • the press belt consists of a screen mesh, a spiral screen, metal mesh, perforated metal strip or a band of composite material, such as carbon fiber reinforced plastic.
  • the press belt has an air permeability of more than 50.8 cm 3 / cm 2 / s (100 cfm), in particular more than 101.6 cm 3 / cm 2 / s (200 cfm), where "cfm" indicates the cubic feet of air flowing through the press belt at a differential pressure of 125 Pa per area of press belt in square feet per minute.
  • the measuring procedure is described in the TAPPI T251 standard.
  • the area of air permeability has the advantage that at a given Differential pressure between the side facing away from the fibrous web side of the permeable support belt and the side facing away from the permeable belt side of the Pressbandes, a very high volume flow of fluid through the fibrous web can flow. Another advantage is that it keeps the mechanical pressure generated by the flow small.
  • the press belt is designed so that a tensile stress of more than 30 kN / m, in particular of more than 40 kN / m, in particular of more than 45 kN / m in operation of the machine is possible.
  • the dewatering unit is preferably configured so that the pressure on the fibrous web is less than 0.9 bar, in particular less than 0.5 bar, preferably less than 0.2 bar.
  • the diameter of the counter element is advantageously greater than 1 m, or the radius of curvature of the counter element is greater than 0.5m.
  • the permeable tape may have a structured surface for structuring the fibrous web and / or at least one fibrous web layer. This is especially true for fibrous webs which only need to be smooth on one side or for fibrous web layers which form an inner fibrous web layer of the multilayer fibrous web. This allows a high specific volume without compromising the quality of the fibrous web in terms of the required smoothness.
  • the permeable band is formed by a forming fabric.
  • Forming screens are designed marking poor. This is achieved by known weaves.
  • the weave structure has bases in relation to the fibrous web.
  • weaves are used which have more than 1300 support points per cm 2 , in particular more than 1400 support points per cm 2 , preferably more than 1500 support points per cm 2 . This has the advantage that a good smoothness is achievable.
  • the permeable band is formed by a felt.
  • the permeable band can be formed by a nonwoven, permeable band, which is coated at least on the side which touches the fibrous web. It is also conceivable that the permeable band consists of a plastic band which preferably has an internal reinforcement made of a fabric band or a thread band.
  • the permeable support band is preferably formed by a felt. This can absorb at least a portion of the originating from the fibrous web water.
  • the permeable support band may also be formed by a forming fabric.
  • three or more ply forming areas are provided in the machine.
  • a hood may be provided within the loop of the press belt or the permeable belt.
  • the hood is supplied with the preferably hot fluid.
  • the hot fluid used is air and / or steam.
  • the hot air can advantageously come from the exhaust air of a drying unit of the paper machine, such as the hood exhaust air of a Glättzylinders. Tests have shown that the dewatering unit can increase the dry content of the fibrous web from, for example, 18% to 40%, while the dry content could be increased to only 39% by two roller presses with a higher pressing pressure. The invention thus brings in addition to the increase in the quality of the fibrous web thus also economic advantages.
  • a steam blow pipe preferably be provided at the beginning of the press zone.
  • the foregoing surface is preferably formed by a forming fabric of a sheet forming region.
  • the dewatering unit is preceded by a press nip.
  • the dewatering unit is preceded by a, in particular double-felted, separately standing press nip.
  • the press zone of the dewatering unit is arranged downstream of at least one press nip.
  • the fibrous web is expediently arranged between the permeable support band and the permeable band when passing through the at least one press nip arranged downstream of the press zone of the dewatering unit.
  • the press nip downstream of the press zone of the dewatering unit is formed by a stand-alone roll press. It is possible that in this case the fibrous web is arranged between the permeable support band and the permeable band.
  • the press zone of the dewatering unit is arranged according to ordered press nip by an arranged in the loop of the permeable belt press roll and the counter element of the dewatering unit.
  • the counter element is preferably designed as a suction roll. It is possible that in this case the fibrous web is arranged between the permeable support band and the permeable band.
  • downstream press nip is designed as a suction press, in which a press roll is designed as a suction press roll.
  • At least one of the press zone of the dewatering unit downstream press nip is formed by a press roll and a smoothing roll and simply felted, wherein one side of the fibrous web is in contact with the smooth surface of the smoothing roll.
  • At least one of the press zone of the dewatering unit downstream press nip is formed by two smoothing rolls, both sides of the fibrous web come into contact with the smooth surface of the associated smoothing roll.
  • drying devices and a winding unit follow after the pressing area. Between the drying devices and / or after the drying devices is at least one coating unit for at least one-sided application of coating medium provided on the fibrous web.
  • the coating medium may consist of pigmented coating color, starch and / or glue.
  • the side of the higher smoothness fibrous web is painted.
  • two or more fibrous web layers may be formed in a layer forming region.
  • a multi-layer material flow is used, which is fed with different stock suspensions. These are separated until they leave the headbox and drained in a Lagenformier Scheme. The separation takes place through lamellae in the headbox nozzle.
  • the object is also achieved by a method for producing a multilayer fibrous web, according to claim 13.
  • the paperboard machine is preferably used for the manufacture of cartonboard.
  • the machine according to the invention is particularly suitable for the production of fibrous webs having a basis weight of more than 60 g / m 2 in particular.
  • the FIG. 1 shows a section of a first embodiment of a machine 1 according to the invention.
  • the dewatering unit E is arranged in the pressing region of the machine 1.
  • the pressing area is formed by a permeable pressing belt 5 and a suction roller 7.
  • the fibrous web 2 is removed by means of the permeable support belt 3, which in this example is felt, by means of a suction roll from the surface of the preceding fabric, that is to say the forming fabric 6 and lying between the felt 3 and the permeable belt 4 through the press zone, guided.
  • the fibrous web 2 is mechanically pressed due to the tension of the permeable press belt 5 and simultaneously flows through hot air.
  • the hot air comes from the exhaust air of a drying unit of the paper machine, such as the hood exhaust air of a Glättzylinders and passes through the hood 9 via the fibrous web 2 in the suction zone 10 of the suction roller 7.
  • a drying unit of the paper machine such as the hood exhaust air of a Glättzylinders
  • the fibrous web 2 is traversed in the running direction over the entire length of the pressing zone of hot air.
  • a steam blow pipe 8 is installed at the beginning of the press zone.
  • the steam flows due to the pressure difference between the suction zone 10 and the hood 9 successively in addition by the permeable press belt 5, the permeable belt 4, the fibrous web 2 and through the felt in the suction zone 10 of the suction roller 7.
  • the fibrous web 2 is heated and the Drainage favors.
  • the permeable belt 4 is designed as felt or sieve. After passing through the press zone, the fibrous web 2 is passed through a downstream of the dewatering unit E press nip, which by the press roller 15 and the press roller 16 are formed.
  • the pressure roller 15 lies in the loop of the permeable belt 4 and the pressure roller 16 is in the loop of the permeable support belt 3. This arrangement is characterized by the economy, since no additional clothing is required for the press nip.
  • the fibrous web 2 is passed over a free train through another press nip. This is formed by a smoothing roll 11 and a press roll 12.
  • the smoothing roll 11 is assigned to the upper side of the fibrous web 2. The top of the fibrous web 2 is thus smoothed.
  • a coating application device which applies a pigment coating to the smoothed side of the fibrous web 2.
  • This arrangement improves the surface quality of the fibrous web 2 in terms of further processing property, such as printability.
  • the upper layer of the fibrous web the so-called ceiling layer.
  • the in the FIG. 2 illustrated embodiment is different from the FIG. 1 by the design of the downstream of the dewatering unit E press nip.
  • the upper pressure roller 16 is again arranged in the loop of the support belt 3, while the lower pressure roller 15 is disposed outside the loop of the permeable belt 4 and is in direct contact with the underside of the fibrous web 2. This design also smoothes the bottom.
  • the execution in the FIG. 3 shows a further variant of the dewatering unit E downstream press nip.
  • the press nip is formed by a pressure roller 17 located in the loop of the permeable belt 4 and the suction roller 7 of the dewatering unit E.
  • the suction roller 7 has in the region of the press nip to increase the dry content of the fibrous web 2, a further suction zone 10.1.
  • This suction zone 10.1 is preferably evacuated independently of the suction zone 10.
  • the press roll 17 is partially wrapped in common by the permeable band and the permeable support band. Thereafter, the permeable support belt 3 is separated from the fibrous web 2, which is guided on the permeable belt over a suction element 18.
  • the press felt 13.1 takes the fibrous web 2 from the permeable belt 4 by means of a suction roll and guides them through a downstream smoothing nip formed by the press roll 12 and the smoothing roll 11.
  • the smoothing roll 11 touches the bottom of the fibrous web 2 so that it is smoothed. This design has a convenient web guide for the horizontal continuation of the fibrous web.
  • the fibrous web 2 in contrast to the previous embodiments, removed by the permeable belt 4 by means of a suction roll from the surface of the preceding fabric 6 and passed through the press zone.
  • FIG. 5 shows the mirrored drainage unit E of FIG. 3 ,
  • the arrangements differ only in that the fibrous web 2 is removed by the permeable belt 4 by means of a suction roll from the surface of the preceding fabric 6 and passed through the press zone. In the subsequent smoothing gap, the underside of the fibrous web 2 is smoothed.
  • the permeable belt 4 can be designed as felt or sieve.
  • the permeable support band 3 is formed by a felt. The orderly press nip and smoothing gap is corresponding to the FIG. 3 described.
  • the after-ordered press nip is a separate, ie stand-alone press nip, which is formed by the press rollers 15 and 16.
  • FIGS. 7 and 8th shown arrangements of the dewatering unit E correspond to the arrangements of Figures 3 and 5 , The description therefore applies accordingly to the FIGS. 7 and 8th , The difference is that the drainage unit E is preceded by a separate, ie a stand-alone press nip, which is respectively formed by the press rolls 20 and 21.
  • the lower press roller 21 is designed as a suction press roll.
  • the fabrics 19 and 19.1 are formed as felts.
  • the fibrous web 2 is in the case of FIG. 7 by the permeable support band 3, which is designed in this example as felt, and in the case of FIG. 8 through the permeable belt 4, which in this example is designed as a sieve, removed by means of a suction roller from the surface of the preceding clothing 19.1 and lying through the press zone between the felt 3 and the permeable belt 4, out.
  • the dewatering unit E is arranged in the forming area of the machine 1.
  • the forming fabric 6 forms the permeable support band of the dewatering unit E.
  • the permeable band can be embodied as a felt or as a sieve.
  • the multilayer fibrous web 2 is removed directly from the forming fabric 6 by the felt of a subsequent machine section.
  • the operation of the dewatering unit E is analogous to the previous descriptions.
  • the dewatering unit is integrated into a layer forming area such that the forming fabric 6.1 forms the permeable band.
  • the headbox 22 may be multi-layered, so that several fibrous web layers are formed on a Formiersieb 6.1.
  • the thus formed fibrous web 2 can, as shown, be guided directly to the downstream smoothing nip, or be pored together with a fibrous web ply of another ply forming region and then guided to the downstream smoothing nip.
  • the press roller 15.1 is designed as a shoe press roll.
  • the press rollers 16 and 15.1 thus form an extended nip.
  • the forming fabric 6.1 is designed as felt. This is particularly advantageous for lighter basis weights.
  • the FIG. 11 shows a forming region IV with three Lagenformier Schemee I, II, III.
  • the dewatering unit E is arranged in the layer forming region I, which forms the middle, ie an inner layer of the fibrous web 2.
  • the operation of the drainage unit E is according to the description of the variant of FIG. 9 , However, the fibrous web layer formed is not transferred to a downstream machine section, but first with the on the Lagenformier Scheme II formed fibrous web layer and then sixteengegautscht with the formed on the Lagenformier Scheme III fibrous web layer.
  • the Lagenformier Scheme I is formed from a fourdrinier screen 6.1 with attached Doppelsiebformêtieril 23 and a headbox 22.1.
  • the Lagenformier Schemee II and III are designed as a long sieves 6.2 and 6.3 with the headboxes 22.2 and 22.3.

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Claims (14)

  1. Machine (1) pour la fabrication d'une bande de matière fibreuse à plusieurs couches (2), en particulier d'une bande de carton, avec un grammage de plus de 40 g/m2, avec une section de formation (IV) comprenant au moins deux sections de formation de couche (I, II, III) pour la formation des couches de la bande de matière fibreuse à plusieurs couches, pour la formation de la bande de matière fibreuse à plusieurs couches (2), ainsi qu'avec une section de presse se raccordant à la section de formation (IV), caractérisée en ce qu'il est prévu pour l'essorage une unité d'essorage (E) avec une zone de presse, à travers laquelle la bande de matière fibreuse (2) est conduite en position couchée entre une bande perméable tournante (4) et une bande de support perméable tournante (3), dans laquelle la zone de presse est réalisée de telle manière que la bande perméable (4), la bande de matière fibreuse (2) et la bande de support perméable (3) puissent être parcourues par un fluide au moins sur une partie de la longueur de la zone de presse et que la zone de presse soit formée par un élément de presse perméable (5) et un élément de presse perméable opposé (7), et en ce que l'unité d'essorage (E) est disposée dans la section de presse de telle manière que la bande de matière fibreuse (2) soit reprise d'une surface antérieure par la bande perméable (4) ou par la bande de support perméable (3) et soit conduite à travers la zone de presse.
  2. Machine selon la revendication 1, caractérisée en ce que l'élément opposé (7) se compose d'un rouleau ou d'un caisson avec une face de contact courbe ou plane.
  3. Machine selon la revendication 1 ou 2, caractérisée en ce que l'élément de presse perméable (5) se compose d'une bande de presse et/ou d'un sabot de presse.
  4. Machine selon la revendication 3, caractérisée en ce que la bande de presse (5) se compose d'un tissu de toile, d'une toile spirale, d'une toile métallique, d'une bande métallique perforée ou d'une bande en un matériau composite.
  5. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce que la bande perméable (4) présente une surface structurée pour structurer la bande de matière fibreuse (2) et/ou au moins une couche de la bande de matière fibreuse.
  6. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il est prévu trois sections de formation de couche (I, II, III), ou plus.
  7. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une fente de presse dressée séparément, en particulier à feutre double, est disposée en amont de l'unité d'essorage (E).
  8. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins une fente de presse est disposée en aval de la zone de presse de l'unité d'essorage (E).
  9. Machine selon la revendication 8, caractérisée en ce que la bande de matière fibreuse (2) est disposée entre la bande de support perméable (3) et la bande perméable (4) lors de son passage à travers ladite au moins une fente de presse.
  10. Machine selon la revendication 8, caractérisée en ce que ladite au moins une fente de presse est formée par un rouleau de pression (12) et un rouleau lisse (11) et est garnie d'un simple filtre, dans laquelle un côté de la bande de matière fibreuse (2) est en contact avec la surface lisse du rouleau lisse (11).
  11. Machine selon la revendication 8, caractérisée en ce que ladite au moins une fente de presse est formée par deux rouleaux lisses, dans laquelle les deux côtés de la bande de matière fibreuse (2) viennent en contact avec la surface lisse du rouleau lisse associé.
  12. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce que la section de presse est suivie de dispositifs de séchage et en ce qu'il est prévu entre les dispositifs de séchage et/ou après les dispositifs de séchage au moins un groupe d'enduction pour déposer au moins sur un côté un fluide de couchage sur la bande de matière fibreuse (2).
  13. Procédé pour la fabrication d'une bande de matière fibreuse à plusieurs couches (2), en particulier d'une bande de carton, avec un grammage de plus de 40 g/m2, dans lequel on forme la bande de matière fibreuse (2) en au moins deux couches de bande de matière fibreuse, dans lequel on produit les couches de bande de matière fibreuse dans une section de formation (IV) comprenant au moins deux sections de formation de couche (I, II, III) et on l'essore davantage dans une section de presse se raccordant à la section de formation (IV), caractérisé en ce que l'on utilise dans la section de presse une unité d'essorage (E) avec une zone de presse, à travers laquelle on conduit la bande de matière fibreuse (2) en position couchée entre une bande perméable tournante (4) et une bande de support perméable tournante (3), dans lequel la zone de presse est réalisée de telle manière que la bande perméable (4), la bande de matière fibreuse (2) et la bande de support perméable (3) soient parcourues par un fluide, au moins sur une partie de la longueur de la zone de presse, et que la zone de presse soit formée par un élément de presse perméable (5) et un élément de presse perméable opposé (7), dans lequel la bande de matière fibreuse (2) est pressée mécaniquement dans la zone de presse et est en même temps parcourue par un fluide.
  14. Utilisation de la machine (1) selon la revendication 1 pour la fabrication de carton, en particulier de carton pour boîtes pliantes.
EP11773254.5A 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matériau Not-in-force EP2640890B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13198087.2A EP2712958B1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matière

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010044079 DE102010044079A1 (de) 2010-11-17 2010-11-17 Vorrichtung und Verfahren zur Herstellung einer Materialbahn
PCT/EP2011/068403 WO2012065804A1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matériau

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EP13198087.2A Division EP2712958B1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matière
EP13198087.2A Division-Into EP2712958B1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matière

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EP2640890A1 EP2640890A1 (fr) 2013-09-25
EP2640890B1 true EP2640890B1 (fr) 2015-09-23

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EP13198087.2A Not-in-force EP2712958B1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matière
EP11773254.5A Not-in-force EP2640890B1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matériau

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EP13198087.2A Not-in-force EP2712958B1 (fr) 2010-11-17 2011-10-21 Dispositif et procédé de fabrication d'une bande de matière

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EP (2) EP2712958B1 (fr)
CN (1) CN103328723A (fr)
DE (1) DE102010044079A1 (fr)
WO (1) WO2012065804A1 (fr)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
WO2015000690A1 (fr) * 2013-07-04 2015-01-08 Voith Patent Gmbh Procédé et dispositif compact de fabrication de non-tissé
EP3017104B1 (fr) * 2013-07-04 2020-03-04 Voith Patent GmbH Procédé de conversion et d'utilisation d'un dispositif de fabrication de tissu non-tissé
EP3212843B1 (fr) * 2014-10-29 2018-07-18 Voith Patent GmbH Dispositif d'égouttage d'une bande de matière fibreuse
CN105735026B (zh) * 2014-12-11 2019-08-09 福伊特专利有限公司 用于制造纤维材料腹板的机器

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US20100193149A1 (en) * 2008-07-03 2010-08-05 Quigley Scott D Structured forming fabric, papermaking machine and method

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EP2640890A1 (fr) 2013-09-25
CN103328723A (zh) 2013-09-25
DE102010044079A1 (de) 2012-05-24
EP2712958A1 (fr) 2014-04-02
WO2012065804A1 (fr) 2012-05-24
EP2712958B1 (fr) 2016-04-13

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