EP3152360B1 - Einrichtung zum herstellen einer faserstoffbahn - Google Patents

Einrichtung zum herstellen einer faserstoffbahn Download PDF

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Publication number
EP3152360B1
EP3152360B1 EP15726869.9A EP15726869A EP3152360B1 EP 3152360 B1 EP3152360 B1 EP 3152360B1 EP 15726869 A EP15726869 A EP 15726869A EP 3152360 B1 EP3152360 B1 EP 3152360B1
Authority
EP
European Patent Office
Prior art keywords
fibrous web
layer
belt
roll
forming unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15726869.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3152360A1 (de
Inventor
Hans-Juergen Wulz
Thomas RÜHL
Wolfgang Schwarz
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.)
Voith Patent GmbH
Original Assignee
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
Publication of EP3152360A1 publication Critical patent/EP3152360A1/de
Application granted granted Critical
Publication of EP3152360B1 publication Critical patent/EP3152360B1/de
Active 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
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • 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
    • D21F11/06—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type
    • D21F11/08—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder 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
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/08—Pressure rolls

Definitions

  • the invention relates to a trained according to the preamble of claim 1 means for producing a fibrous web, in particular a paper or board web.
  • the in the document DE102010029617 A1 The invention relates to a method for producing a coated, in particular packaging paper or board web, in which a stream is first produced, which successively at least one headbox, at least one wire section to form a multilayer fibrous web, a press section, a dryer section with dryer groups and then a Roll-up is supplied.
  • the multi-layer fibrous web is preformed with a belt calender and then coated the cover layer of the fibrous web by means of a curtain applicator with a white pigment-containing coating layer and then dried.
  • the wire section comprises three forming units for producing a three-ply fibrous web with a back, middle and top layer.
  • the document WO2012 / 041392 discloses an apparatus for producing an at least three-ply fibrous web.
  • the middle layer is composed of two partial layers, which are formed in Formiersetationen.
  • the middle layer is heavier than the respective remaining layers.
  • a device of the type mentioned is, for example DE 10 2011 003 970 A1 known.
  • the apparatus comprises a first forming unit having a first screen belt arranged for endless circulation, a first headbox adapted to apply suspended pulp to the first wire belt for forming a single layer first layer of the fibrous web, and a first dehumidifying device adapted from the first one Dehumidifying the headbox on the first screen belt applied pulp to form the first layer of the fibrous web.
  • a second forming unit of this known device comprises a second screen belt configured for endless circulation, a second and a third headbox each adapted to apply suspended pulp to the second screen belt for forming a layer of a two-layer second layer of fibrous web, and a second dehumidifying device; which is adapted to dehumidify the applied from the second and the third headbox on the second wire belt pulp for forming the second layer of the fibrous web.
  • the second forming unit is arranged above the first forming unit, so that the second wire belt is guided along a Gautschwalze on the first wire to draw on the couch roll the second layer on the first layer of the fibrous web.
  • the two headboxes of the second forming unit are each designed as a single-layer headbox arranged successively along the second wire belt.
  • a Langsiebformer formed to dehumidify the applied from the second headbox to the second wire cloth pulp for forming a first layer of the second layer of the fibrous web.
  • a twin-wire former in the form of a hybrid former is formed in order to dehumidify the pulp applied from the third headbox to the second screening belt to form a second layer of the second layer of the fibrous web.
  • the invention has for its object to provide a trained according to the preamble of claim 1 means for producing a fibrous web having at least two layers at least three layers, such as in particular a paper or board web, so that while ensuring at least the same quality of the fibrous web lower manufacturing costs for the device is required.
  • the Sheet formation can be performed simultaneously on two already superimposed layers of the relevant layer of the fibrous web and can thus be reduced while ensuring at least the same quality of the fibrous web, the number of components. This reduces the manufacturing cost of the device.
  • the preferably associated dehumidifying arrangement can simultaneously realize the dehumidification, in particular dewatering, of two already superposed layers of the relevant layer of the fibrous web and can thus be reduced while ensuring at least the same quality of the fibrous web, the number of components.
  • one of the first and the second forming unit is formed in the context of the Entfeuchtungsan Aunt with a wire forming and the other of the first and the second forming unit is formed in the context of the dehumidifying arrangement with a twin-wire former.
  • a wire former realizes dehumidification, in particular dewatering, only from the side of the respective screen belt (first or second screen belt), i. only on a screen belt facing surface side of the respective layer of the fibrous web.
  • a twin-wire former realizes dehumidification, in particular dewatering, both from the respective screen belt (first or second screen belt) and from the side of an additional belt forming belt, i. also on a side facing away from the wire and the Formersiebband facing surface side of the respective layer of the fibrous web.
  • the twin-wire former is designed as a hybrid former which pre-dehumidifies, in particular dewatering, from the side of the screen belt, in front of the dobbies screen zone formed by the respective screen belt (first or second screen belt) and the forming wire belt. realized on the screen belt facing surface side of the respective layer of the fibrous web.
  • the hybrid former is set up such that it complies with a change in an extension direction of the screen belt of the forming unit provided therewith of at least 90 degrees and preferably greater than 90 degrees.
  • the hybrid former the respective screen belt (first or second screen belt) over a longer distance, including after a deflection, can follow and thus the drainage of the relevant position of the fibrous web can be optimized.
  • the forming unit provided with the multi-layer casserole is formed by the first and second forming units having the twin-wire former.
  • the position of the fibrous web which optionally contains more moisture than a single-layer layer, is dehumidified with the twin-wire former.
  • the production speed can be optimized while ensuring the desired quality.
  • the second headbox provided in the second forming unit is designed as a multi-layer headbox.
  • the means for producing the fibrous web also comprises a pressing device.
  • the pressing device has a first roller train (arrangement of mutually interacting rollers) with a takeover roller and a first press roller, around the lateral surfaces of which a first felt belt is guided for endless circulation, wherein the takeover roller is arranged such that the first felt belt is moved over the takeover roller to the dew point the skin roll is guided along the first wire belt, and is arranged to transfer the two-layer fibrous web having the three layers from the first wire belt to the first felt belt; and a counter roll with a smooth surface on.
  • the mating roll cooperates with the first press roll so that a first press nip is formed therebetween around the first felt web located fibrous web under direct surface contact facing away from the first felt belt first surface side of the fibrous web with the smooth surface of the mating roll through the first press nip pass therethrough.
  • this first surface side of the fibrous web on a higher surface quality can be brought, ie be formed smoother or with less roughness.
  • the pressing device also has a second roller train with a second press roller, around the lateral surface of which a second felt belt is guided for endless circulation.
  • the counter-roller cooperates with the second press roller, so that a second press nip is formed between the latter to receive the fibrous web after passing through the first press nip on the second felt belt under direct surface contact of the second felt belt facing away from the first surface side of the fibrous web with the smooth surface of the Pass counter roll through the second press nip.
  • the second press nip is also simply fastened, so that the first surface side of the fibrous web facing away from the second felt belt comes into direct surface contact with the smooth lateral surface of the counter roller, the first surface side of the fibrous web can be next to the further dehumidification of the fibrous web an even higher surface quality can be brought, ie be made even smoother or with even less roughness.
  • the pressing device could also be designed as a correspondingly felted tandem press known per se. It comprises two shoe press nips arranged one behind the other. The fibrous web is guided in each case lying between two press belts through the first and second press nip.
  • a lower press belt is used in the first and / or in the second nip, which has a lower roughness than the upper press belt.
  • the lower roughness press belt may be a fine felt or a plastic belt which may be water permeable or water impermeable.
  • the underside of the fibrous web comes into contact with the lower roughness surface of the lower press belt.
  • the first forming unit and the pressing device are arranged so that the first surface side of the fibrous web provided for direct surface contact with the smooth lateral surface of the counter-roller is formed by the first layer of the fibrous web formed in the first forming unit, the one provided in the first forming unit first headbox is designed as a single-layer casserole.
  • the first layer of the fibrous web formed in the first forming unit is preferably provided as the top layer of the fibrous web, and the first surface side of the fibrous web is provided as surface area of the fibrous web to be imaged, in particular to be printed.
  • both text and other graphic design is understood according to the invention.
  • the device for producing the fibrous web can thus be set up in particular for producing a testliner web as a fibrous web. Since testliner is used as a ceiling paper, in particular in corrugated board production, the highest quality requirements can be met here with the smoothed first surface side of the fibrous web formed by the first layer or top layer.
  • the device according to the invention for producing a fibrous web thus even provides an improved quality of the fibrous web at a lower production cost for the device.
  • the inventive device for producing a fibrous web and a Capacity increase in terms of producible amount of fibrous web can be achieved.
  • Fig. 1 a trained according to a first embodiment of the invention means 1 for producing a at least two layers L1, L2 at least three layers having fibrous web FB, such as in particular a paper or board web, are described.
  • the device 1 has a first forming unit 10, which comprises a first screen belt arrangement 11 arranged for endless circulation, a first headbox arrangement 16 and a first dehumidifying arrangement 20.
  • the first screen belt arrangement 11 has a first screen belt 12 and a plurality of respectively rotatably mounted rollers 13, 14, 15, about which the first screen belt 12 with a running direction LR1 in the counterclockwise direction (according Fig. 1 ) circulates endlessly.
  • the first headbox assembly 16 is adapted to apply suspended pulp to the first wire belt 12 of the first wire belt assembly 11 to form a single layer first layer L1 of the fibrous web FB.
  • the first headbox arrangement 16 has a first headbox 17, which is designed as a single-layer headbox, in order to dispense a single pulp-suspension layer onto the first sieve belt 12 of the first sieve belt arrangement 11 for the first layer L1 of the fibrous web FB.
  • the first dehumidifying arrangement 20 comprises a sifting table 21 and a plurality of suction-air-based suction boxes 22 which are arranged in succession in the running direction LR1 of the first sieve belt 12 after the first headbox 17 below the first sieve belt 12.
  • the sifting table 21 and the suction boxes 22 together with the first screen belt 12 form a wire screen former for dewatering the fibrous material applied to the first screen belt 12 from the first headbox 17 and for forming the first layer L1 of the fibrous web FB.
  • the first forming unit 10 with the first screen belt assembly 11, the first headbox assembly 16 and the first dehumidifying assembly 20 forms a first forming system 2 of the device 1 for producing the fibrous web FB.
  • the device 1 also has a second forming unit 25 which comprises a second screen belt arrangement 26 arranged for endless circulation, a second headbox arrangement 31 and a second dehumidifying arrangement 33.
  • the second screen belt assembly 26 has a second wire 27 and a plurality of rotatably mounted rollers 28, 29 and a rotatably mounted Gautschwalze 30 to which rollers 28-30, the second wire 27 with a running direction LR2 clockwise (in accordance with Fig. 1 ), ie, opposite to the running direction LR1 of the first wire belt 12 of the first wire belt assembly 11, endlessly revolves.
  • the second head box assembly 31 is adapted to apply suspended pulp to the second wire 27 of the second wire belt assembly 26 to form a two layer second layer L2 of the fibrous web FB.
  • the second headbox assembly 31 on a second headbox 32 which is designed as a multi-layer headbox to output for the second layer L2 of the fibrous web FB two superposed pulp suspension layers simultaneously on the second wire 27 of the second screen belt assembly 26.
  • An exemplary embodiment of a multi-layer casserole is eg in DE 10 2010 030 707 A1 described.
  • the second dehumidifying arrangement 33 comprises a plurality of suction-air-based suction boxes 34, a twin-wire zone 36 and another high-vacuum-based suction box 35, which are arranged in the direction LR2 of the second wire 27 after the second headbox 32 on the second wire 27 in sequence.
  • the twin-wire zone 36 which defines a twin-wire former, is formed by a longitudinal section of the second wire 27, a top wire or forming wire 38 endlessly revolving around a plurality of rotatably mounted rollers 37, a plurality of former strips 39 arranged below the longitudinal section of the second wire 27 and a suction-air-based suction box 40 arranged above the longitudinal section of the second screen belt 27 and the molding strips 39.
  • the twin-wire zone 36 together with the pre-dewatering performed by the suction boxes 34 and the second screen belt 27, forms a hybrid former for dewatering the second headbox 32 onto the second screen belt 27 applied pulp and for forming the second layer L2 of the fibrous web FB.
  • Types of such hybrid formers are, for example, in DE 10 2011 003 970 A1 described.
  • the high vacuum-based suction box 35 at the end of the twin-wire zone 36 on the side facing away from the second layer L2 of the fibrous web FB side of the second wire 27 arranged.
  • the second forming unit 25 with the second screen belt arrangement 26, the second head box arrangement 31 and the second dehumidifying arrangement 33 forms a second forming system 3 of the device 1 for producing the fibrous web FB.
  • the second forming system 3 is arranged above the first forming system 2 such that the second fabric layer L2 of the fibrous web FB provided for supporting the two layers has the second fabric belt 27 of the second fabric belt assembly 26 via the sole forming a nipple 30 to support the one Layer having first layer L1 of the fibrous web FB provided first screen belt 12 of the first wire belt assembly 11 is guided along to aufaut the Gautschwalze 30, the two-layered second layer L2 on the single-layered first layer L1 of the fibrous web FB.
  • the screen belts 12, 27 of the first and the second screen belt assembly 11, 26 are arranged so that they include in their respective direction LR1 or LR2 before the couch roll 30 a preferably acute entry angle W1 (angle less than 90 degrees) with each other and in their respective running direction LR1 or LR2 immediately after the couch roll 30 preferably extend approximately in the same direction.
  • the upper second layer L2 runs in the acute entry angle W1 to the horizontal lower in a production direction PR moving lower first layer L1 in the Gautschstelle and thus already has a directional component in the direction of production PR.
  • a Gautschwalzen barnmesser is defined in a range of 400 mm to 1500 mm.
  • a lateral surface (not designated) of the couch roll 30 can also be grooved or smooth.
  • the device 1 in the production direction PR the first and second Formiersystemen 2, 3 also downstream of a pressing device 80 with a first compactor 81, a rotatably mounted central counter roll or roller 90 and a second roller 91.
  • the first compactor 81 has a suction roller rotatably mounted pickup roller or pickup roller 82, a plurality of each rotatably mounted guide rollers 83 and designed as a suction pressure roller rotatably mounted first press roller 84 to the lateral surfaces (not labeled) for endless circulation in a clockwise direction LR3 (in accordance with Fig. 1 ) a first felt belt 85 is guided.
  • the take-up roll 82 is arranged so that the first felt belt 85 is guided along the take-up roll 82 in the production direction PR or running direction LR1, LR2 after the skin roll 30 on the first wire 12 of the first wire-wound belt assembly 11, and is arranged, the two-layer three-layer To transfer fibrous web FB from the first screen belt 12 on the first felt belt 85.
  • the transfer roller 82 thus forms, with the first screen belt 12 of the first forming system 2, a transfer point P1 in order to transfer the two-layer fibrous web FB having three layers to the pressing device 80 from the first transfer belt 12 of the first forming system 2.
  • a last roller 14 of the first screen belt assembly 11 of the first forming system 2 in front of the transfer point P1 is optionally formed with a closed lateral surface (not designated).
  • the counter roll 90 has a smooth surface (not designated) and cooperates with the first press roll 84 so that between them a laminated first press nip NP1 is formed around the fibers located on the first felt 85 web FB under direct surface contact of a from the first felt belt 85 facing away from the first surface side FS1 of the fibrous web FB with the smooth surface of the mating roll 90 through the first press nip NP1.
  • the first compactor 81 may have a rotatably mounted pressure roller 86, which presses the fibrous web FB to the first press roller 84 just before the first press nip NP1.
  • this first surface side FS1 of the fibrous web FB can be next to the further dehumidification of the fibrous web FB be brought to a higher surface quality, ie be formed smoother or with less roughness.
  • the second roller 91 has a plurality of respectively rotatably mounted guide rollers 92 and a rotatably mounted second press roller 93 to the outer surfaces (not designated) for endless circulation in a running direction LR4 in the clockwise direction (according to FIG Fig. 1 ) a second felt belt 94 is guided.
  • the central counter roll 90 cooperates with the second press roll 93 so as to form a single-plied second press nip NP2 therebetween to receive the fibrous web FB after passing through the first press nip NP1 on the second felt belt 94 under direct surface contact with that of the second Felt web 94 facing away from the first surface side FS1 of the fibrous web FB with the smooth surface of the mating roll 90 through the second press nip NP2 pass.
  • the second press nip NP2 is also simply fastened so that the first surface side FS1 of the fibrous web FB facing away from the second felt web 94 comes into direct surface contact with the smooth lateral surface of the backing roll 90, the first surface side FS1 of the fibrous web can be next to the further dehumidification of the fibrous web FB FB be brought to an even higher surface quality, ie even smoother or be formed with even less roughness.
  • the first forming unit 10 of the first forming system 2 and the pressing device 80 are arranged so that the first surface side FS1 of the fibrous web FB provided for direct surface contact with the smooth circumferential surface of the backing roll 90 is formed by the first layer L1 formed in the first forming unit 10 Fiber web FB is formed.
  • the first layer L1 of the fibrous web FB formed in the first forming unit 10 is preferably provided as the top layer of the fibrous web FB, and the smoothed first surface side FS1 of the fibrous web FB is intended to be imaged, in particular to be printed, surface side of the fibrous web FB.
  • the device 1 for producing the fibrous web FB can be set up in particular for producing a testliner web as a fibrous web FB. Since testliner is used as a ceiling paper, in particular in corrugated board production, the highest quality requirements can be met here with the smoothed first surface side FS1 of the fibrous web FB formed by the first layer L1 or top layer.
  • Fig. 2 a trained according to a second embodiment of the invention means 1a for producing a at least two layers L1, L2 at least three layers having fibrous web FB, such as in particular a paper or board web, are described.
  • Fig. 2 shown device 1a is identical to the one in. with a few differences Fig. 1 formed device 1 shown. For this reason, in terms of in Fig. 2 shown device 1a for in Fig. 1 shown device 1 identical components with too Fig. 1 provided with identical reference numerals and their repeated description is omitted. Accordingly, in the following, only the differences of in Fig. 2 shown device 1a to the in Fig. 1 shown device 1, wherein modified components are provided with reference numerals with an added lowercase letter "a".
  • the device 1a has the first forming system 2 with the first forming unit 10, the pressing device 80 and a second forming system 3a with a second forming unit 25a.
  • the second forming unit 25a again comprises the second screen belt arrangement 26 and the second headbox arrangement 31 as well as a modified second dehumidifying arrangement 33a.
  • the second dehumidifying arrangement 33a comprises a plurality of suction-air-based suction boxes 34a, a twin-wire zone 36a and two further high-vacuum-based suction boxes 35a which are arranged sequentially in the direction LR2 of the second wire 27 after the second headbox 32 on the second wire 27.
  • the twin-wire zone 36a which defines a twin-wire former, is formed by a longitudinal section of the second wire 27, a top wire or forming wire 38a endlessly revolving around a plurality of rotatably mounted rollers 37a, a plurality of former strips 39a arranged below the longitudinal section of the second wire 27 and a suction-air-based suction box 40a disposed above the length portion of the second screen belt 27 and the former belts 39a.
  • the twin-wire zone 36a together with the pre-dewatering performed by the suction boxes 34a and the second wire 27, forms a hybrid former for dewatering the pulp applied to the second wire 27 from the second headbox 32 and for forming the second layer L2 of the fibrous web FB.
  • rollers 37a of the twin-wire zone 36a of the hybrid former provided for guiding and deflecting the upper wire belt 38a are arranged such that the double-wire zone 36a of the hybrid former a change of a direction of extension of the second wire 27 of the second forming unit 25a of at least 90 degrees and here preferably greater than 90 degrees.
  • the twin-wire zone 36a of the hybrid former can follow the second wire 27 over a relatively long distance, ie even after its deflection, and thus the dewatering of the second layer L2 of the fibrous web FB can be optimized.
  • one of the high-vacuum-based suction boxes 35a of the twin-wire zone 36a is at the end of the second layer L2 of the fibrous web FB remote from the second screen belt 27 arranged.
  • the second forming unit 25a with the second screen belt assembly 26, the second headbox assembly 31 and the modified second dehumidifying assembly 33a forms the modified second forming system 3a of the fibrous web FB manufacturing device 1a.

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  • Paper (AREA)
EP15726869.9A 2014-06-06 2015-04-29 Einrichtung zum herstellen einer faserstoffbahn Active EP3152360B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014210880 2014-06-06
PCT/EP2015/059305 WO2015185295A1 (de) 2014-06-06 2015-04-29 Einrichtung zum herstellen einer faserstoffbahn

Publications (2)

Publication Number Publication Date
EP3152360A1 EP3152360A1 (de) 2017-04-12
EP3152360B1 true EP3152360B1 (de) 2018-09-26

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ID=53284200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15726869.9A Active EP3152360B1 (de) 2014-06-06 2015-04-29 Einrichtung zum herstellen einer faserstoffbahn

Country Status (3)

Country Link
EP (1) EP3152360B1 (zh)
CN (1) CN106414844B (zh)
WO (1) WO2015185295A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016218100A1 (de) 2016-09-21 2017-10-05 Voith Patent Gmbh Vorrichtung zur Herstellung einer Faserstoffbahn in einer Papiermaschine
DE102018113833A1 (de) 2018-06-11 2019-12-12 Voith Patent Gmbh Gerillte Walze und Einrichtung umfassend dieselbe

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1574341A (en) * 1976-09-13 1980-09-03 Valmet Oy Method of and means for applying suction to a web suspension layer felt forming wire or assembly of such in a paper-making machine
DE3425077A1 (de) * 1984-05-25 1985-11-28 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Doppelsieb-papiermaschine
SE466660B (sv) * 1986-06-03 1992-03-16 Valmet Paper Machinery Inc Vaesentligen slutet pressparti i en pappersmaskin
DE4031038C2 (de) * 1990-10-01 1997-01-23 Voith Sulzer Papiermasch Gmbh Vorrichtung zum Herstellen eines mehrlagigen Papiers oder Kartons
EP1266085A1 (en) * 2000-03-14 2002-12-18 Metso Paper Karlstad Aktiebolag Machine for manufacturing a paper or cardboard web and press section therein
DE10223398A1 (de) * 2002-05-25 2003-12-04 Voith Paper Patent Gmbh Blattbildungsvorrichtung
DE102010029617A1 (de) * 2010-06-02 2011-12-08 Voith Patent Gmbh Verfahren zur Herstellung einer gestrichenen, mehrlagigen Faserstoffbahn
DE102010030707A1 (de) 2010-06-30 2012-01-05 Voith Patent Gmbh Blattbildungssystem für eine Maschine zur Herstellung einer zumindest einschichtigen Faserstoffbahn
WO2012041392A1 (en) * 2010-10-01 2012-04-05 Metso Paper, Inc. Device and method for manufacturing a web consisting of multiple layers
DE102011003970A1 (de) 2011-02-11 2012-08-16 Voith Patent Gmbh Blattbildungsvorrichtung
DE102011083308A1 (de) * 2011-09-23 2013-03-28 Voith Patent Gmbh Blattbildungsvorrichtung für eine Maschine zur Herstellung einer Faserstoffbahn aus wenigstens einer Faserstoffsuspension

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3152360A1 (de) 2017-04-12
CN106414844B (zh) 2020-01-17
CN106414844A (zh) 2017-02-15
WO2015185295A1 (de) 2015-12-10

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