EP1440926B1 - Transporteur a courroie aspirante et machine comportant un tel convoyeur pour la fabrication ou la finition d'une bande de papier - Google Patents

Transporteur a courroie aspirante et machine comportant un tel convoyeur pour la fabrication ou la finition d'une bande de papier Download PDF

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Publication number
EP1440926B1
EP1440926B1 EP04007361A EP04007361A EP1440926B1 EP 1440926 B1 EP1440926 B1 EP 1440926B1 EP 04007361 A EP04007361 A EP 04007361A EP 04007361 A EP04007361 A EP 04007361A EP 1440926 B1 EP1440926 B1 EP 1440926B1
Authority
EP
European Patent Office
Prior art keywords
roller
conveyor
suction
belt
paper web
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.)
Expired - Lifetime
Application number
EP04007361A
Other languages
German (de)
English (en)
Other versions
EP1440926A2 (fr
EP1440926A3 (fr
Inventor
Sylvain Demers
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
Priority claimed from DE20019346U external-priority patent/DE20019346U1/de
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1440926A2 publication Critical patent/EP1440926A2/fr
Publication of EP1440926A3 publication Critical patent/EP1440926A3/fr
Application granted granted Critical
Publication of EP1440926B1 publication Critical patent/EP1440926B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/10—Advancing webs by a feed band against which web is held by fluid pressure, e.g. suction or air blast
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0063—Devices for threading a web tail through a paper-making machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • B65H2406/122—Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/32—Suction belts
    • B65H2406/322—Suction distributing means
    • B65H2406/3221—Suction distributing means for variable distribution in the direction of transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines

Definitions

  • the invention relates to a vacuum belt conveyor, comprising: an air-permeable endless conveyor belt; a first roller disposed at the upstream end of the vacuum belt conveyor, and a second roller disposed at the downstream end of the vacuum belt conveyor, the rollers guiding the conveyor belt as the belt circulates; the endless conveyor belt has a transporting run, which runs from the first to the second roller, as well as a returning run, which runs from the second to the first roller; the transporting runner passes over a vacuum box, in which a negative pressure can be generated, which propagates through the transporting trump to suck the paper web or a ribbon of the same, which is to be guided by means of the conveyor belt.
  • the invention relates in particular to a machine for producing or refining a paper web according to the preamble of claim 1 and to a vacuum belt conveyor according to the preamble of claim 7.
  • Vacuum belt conveyors are used to facilitate the threading of a paper web, in a machine for making or refining or further processing such a web.
  • a narrow "ribbon" or insert strip is severed from the running web.
  • This tape is transferred by means of the vacuum belt conveyor, for example, from the end of a machine section to the inlet area of a subsequent machine section.
  • German Utility Model 299 10 850 a vacuum belt conveyor is described which comprises an air-permeable endless belt which passes over two rollers and a vacuum box.
  • the negative pressure of the vacuum box propagates through the transporting run of the belt to suck in a web or ribbon to be guided by the conveyor belt.
  • One of the rollers is slidable to tension the band.
  • a separator or "ribbon cutter” is arranged; this separating device comprises a toothed knife which extends in the transverse direction, ie parallel to the roller axis.
  • the complete web including the ribbon (for example, from a last drying cylinder) runs down; she walks past the inlet end of the web conveyor and finally gets into a reject bin or reject pulper.
  • a narrow “scraper” is provided on the last drying cylinder to detach the band from the dryer jacket and to transfer the band to the band conveyor.
  • the ribbon cutter cuts the ribbon and thereby forms a new ribbon beginning, which is now transported to the calender. If there were no ribbon cutter, the belt conveyor would pull up a "double ribbon" from the broke bin; this would cause problems during the threading process. Please refer to the above mentioned brochure "Double-Tail-Elimination”.
  • a machine for producing or refining a paper web according to the preamble of claim 1 and a vacuum belt conveyor according to the preamble of claim 7 are known from EP-A-0 254 666 known.
  • a dryer felt of a dryer system revolves around a plurality of deflection rollers and drying cylinders. In the inlet area of the dryer installation, the dryer felt is guided via two vacuum boxes in which a negative pressure can be generated which propagates through the dryer felt in order to support guidance of the paper web in this section of the paper machine.
  • manually operated air nozzles and a scraper for lifting the ribbon are provided in the known device.
  • Another machine for producing or refining a paper web with a vacuum belt conveyor is in the GB-A-1 533 720 discloses and comprises a conveyor belt, which is guided around two deflection rollers, between which a vacuum box is mounted. An upstream with respect to the transport direction of the paper web deflection roller is attached via slot couplings to the vacuum box and is driven by a belt drive from a motor.
  • a vacuum belt conveyor in which an air-permeable endless conveyor belt is guided around a plurality of deflection rollers, wherein between the deflection rollers, a vacuum box is mounted.
  • the vacuum box of the known device is extended into the deflection area on the side of the transporting passage of the endless conveyor belt.
  • the above-mentioned machine and the vacuum belt conveyor contained therein so educate that the paper web or a cuff of the same is reliably taken up if necessary by the vacuum belt conveyor and guided by the conveyor belt, and that an adjustment to Clamping of the conveyor belt is made possible without affecting the settings of the pickup suction zone.
  • band scraper should be made superfluous.
  • the object of the invention is, in particular, an improved construction which allows the upstream end of the vacuum belt conveyor device to be arranged closer than before to the surface giving off the paper web (for example the surface of a roller or a cylinder).
  • the first roller is placed close to a path of the paper web or on a paper web donating surface of the machine, and that designed to form a pickup suction zone, the first role as a suction roller and is connected to a vacuum source, so that generated by the negative pressure source vacuum propagates through the conveyor belt passing through the first roller, to suck the paper web or a strip of the same, which / which is to be guided by means of the tape.
  • the second roller is displaceable relative to said vacuum box for tensioning the band.
  • the above-mentioned effects can be obtained in the above-mentioned machine, when the upstream end of the conveying device is close to a path of the paper web or at one of the To form a pickup suction zone, the conveyor belt in the region of the upstream end of the conveyor runs over a curved and perforated guide surface of a vacuum box, in which a negative pressure can be generated, which extends through the conveyor belt passing over the guide surface propagated through to suck the paper web or a ribbon of the same, which / which is to be guided by means of the tape.
  • the machine or device according to the invention and said alternative have a first roller designed as a suction roller or a curved and perforated guide surface for the air-permeable endless conveyor belt; this suction roller or the guide surface is arranged at the upstream end of the vacuum belt conveyor.
  • the perforation of the guide surface and, accordingly, if necessary perforations of a jacket of the first roller are open to the outside against the endless conveyor belt, as well as inwardly open towards a vacuum source.
  • the suction or curved and perforated guide surface acts as a pickup suction zone, which may be placed very close to the path of the paper web, especially close to a web delivering surface (wire or felt or roller or cylinder).
  • a web delivering surface wire or felt or roller or cylinder.
  • the pickup suction zone of the vacuum belt conveyor may directly contact the web travel path so that the ribbon, particularly a new beginning of the ribbon, may be transferred directly to the conveyor belt of the vacuum belt conveyor.
  • the ribbon preferably a new ribbon beginning, by means of at least one edge-blowing nozzle of the latter Surface detached.
  • the tape is detected by the belt of the conveyor, in the region of the suction roller or the curved and perforated guide surface.
  • the new ribbon start is formed a short distance upstream of the (preferably two) edge blow nozzles, for example according to FIG DE 199 00 986 ,
  • an improved threading curtain is achieved in paper machines without the need for a ribbon scraper on the roll delivering the paper web or the ribbon or on the cylinder delivering the paper web or the ribbon.
  • the vacuum belt conveyor will not require an entry plate. In many cases, even a ribbon cutter will be superfluous.
  • the curved and perforated guide surface is formed as the circumferential jacket of the first roller.
  • the vacuum box is disposed within the loop of the belt and that the vacuum box is open to the perforated rotatable shell of the first roller and carries sealing elements which can contact the outer surface of the rotatable shell.
  • the vacuum box may be advantageously divided into at least two sections, which are arranged one behind the other along the tape travel path.
  • An expedient embodiment is characterized in that the upstream section of the vacuum box, which is open towards the perforated jacket of the first roll, can be subjected to a higher negative pressure than the downstream section.
  • At the upstream end of the vacuum belt conveyor at least one edge blowing nozzle may be provided for ejecting an air jet between a web or cylinder dispensing the web and the web or ribbon, further driving the web or ribbon toward the upstream end of the conveying device ,
  • the at least one edge blowing nozzle is preferably adapted to drive the new start of the web or ribbon onto the upstream end of the conveyor.
  • the vacuum belt conveyor 8 shown in Figs. 1 and 2 comprises a first roller 11 disposed at the upstream end of the conveyor.
  • An air-permeable endless belt and the downstream end of the conveyor (including a second roller) are not shown.
  • the first roller 11 has a perforated shell 13 and is supported by two end shields 14 which are rigidly connected to the upstream section 15a of a vacuum box 15.
  • This vacuum box 15 is divided into said upstream section 15a and a downstream section 15b.
  • the roller 11 rotates, for example in a clockwise direction according to arrow A; accordingly, then runs the endless band.
  • the upstream section 15a of the vacuum box 15 is open to the perforated shell 13 of the first roll. Seals 16 and 17 are provided between the jacket 13 and the section 15a.
  • a negative pressure is created within the upstream section 15a (for example, by connecting the section 15a via a negative pressure inlet to a vacuum source, not shown).
  • the negative pressure will then propagate through those perforations of the jacket 13, which are not currently covered by the band, into the interior of the roller 11 and from there through the other perforations of the jacket 13 and through the air-permeable band.
  • the belt by suction
  • edge blowing nozzles 46 for tensioning the belt, the roller 11, the upstream section 15a of the box 15 and the seals 15, 17 are displaced together relative to the downstream section 15b of the box 15, see double arrow D of Fig. 1.
  • two bearing plates 19 for guiding the elements 11, 15a, 16 17, two bearing plates 19 (FIG. 2) are rigidly connected to the stationary downstream section 15b; this includes the usual cover plate 20 with suction openings 21st
  • the upstream section 15a is provided with a cover plate 22 (made of ceramic or another low-friction material) in which suction slots 23 are provided, which extend (preferably) parallel to the strip running direction.
  • a cover plate 22 made of ceramic or another low-friction material
  • suction slots 23 which extend (preferably) parallel to the strip running direction.
  • runner 24 a thin perforated foil made, for example, of stainless steel; the rotor 24 will slide on the cover plate 20 when the belt is being tensioned.
  • the negative pressure prevailing in the upstream section 15a should preferably be higher than the negative pressure prevailing in the downstream section 15b.
  • Various external or internal vacuum sources can be used; such are in the not yet published patent application DE 100 09 188 described. Possible alternative: you can connect the interior of the suction roller 11 via a hollow pin of the roller to a vacuum source.
  • a motor For example, one may use the second roller (supported by the downstream section 15b) by means of an internal motor as shown in FIG DE 299 10 850 drive.
  • the vacuum belt conveyor shown in Fig. 3 comprises an air-permeable endless belt 10, a first roller 11, a second roller 12 and a vacuum box 25.
  • a web or belt to be transported is designated 9.
  • the first roll 11 is one Suction roller formed with a perforated rotatable jacket 13.
  • the vacuum box 25 is formed as a one-piece stationary component having a cover plate 20 with the usual suction openings 21.
  • the vacuum box 25 carries both the first roller 11 and the second roller 12. The latter is displaceable for tensioning the belt 10, the first roller is not displaceable relative to the vacuum box 25.
  • the vacuum box 25 is open against the rotatable jacket 13. Again, seals 16, 17 are provided.
  • the negative pressure generated within the box 25 is propagated into the first roller 11 and through the band 10, so that the band 9 is forced to suction against the band 10 earlier than before, namely already at the periphery of the suction roller 11 , If necessary, the interior of the vacuum box 25 can be divided by means of an intermediate wall 26, so that one can provide a higher negative pressure in the region of the suction roller 11.
  • Fig. 4 shows an alternative to the vacuum belt conveyor described above. Similar to the conventional conveyors, the belt 10 passes over two normal closed rollers 11a and 12 supported by a one-piece vacuum box 35. In the region of the upstream end of the conveyor there is a stationary, convexly curved and perforated guide surface 32 for the belt 10. This curved guide surface 32 forms a curved suction zone which serves the same purpose as the suction roller 11 of FIGS.
  • the curved guide surface 32 is formed, for example, by a perforated curved plate 33.
  • This may be an integral part of the flat top plate 20a of the box 35, or it may be separate from this top plate 20a, which in each case is disposed somewhat obliquely relative to the back running run of the belt.
  • the vacuum box 35 may include or support a box section 35, which box section envelops a portion of the first roller 11a and perforated said curved section Plate 33 carries.
  • Fig. 5 shows some details of a papermaking machine, namely a last drying cylinder 40, a dry felt 41, a felt guide roll 42, a paper guide roll 43 and a scraper 44.
  • the normal running distance of the paper web is designated 9A.
  • the web runs down at 9B;
  • a strip 9 (at the arrow 45) separated from the web 9B, detached from the cylinder 40 by means of one or two Randblasdüsen 46 (see Fig. 2) and immediately detected by a first vacuum belt conveyor 8.
  • This conveyor transports the belt 9 to a second belt conveyor 8 '; at least the first conveying device is designed according to the present invention.
  • Fig. 6 shows a vacuum belt conveyor 8A, which in turn is designed according to the invention.
  • the upstream end of the conveyor contacts a felt or screen 49 carrying a traveling paper web 9D. This web is transferred directly by contact to the belt of the conveyor 8A.
  • the lower band Trumm is the transporting Trumm.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Advancing Webs (AREA)
  • Paper (AREA)

Claims (8)

  1. Machine pour la fabrication ou la finition d'une bande de papier, comportant un transporteur à courroie aspirante (8), comprenant :
    - une courroie transporteuse sans fin (10) perméable à l'air;
    - un premier rouleau (11), disposé à l'extrémité amont du transporteur à courroie aspirante, et un deuxième rouleau (12), disposé à l'extrémité aval du transporteur à courroie aspirante, dans laquelle les rouleaux décalés l'un par rapport à l'autre dans une direction de transport du transporteur à courroie aspirante (8) guident la courroie transporteuse en une boucle autour du premier (11) et du deuxième (12) rouleaux, lorsque la courroie transporteuse circule; et
    - dans laquelle la courroie transporteuse (10) comprend un brin de transport et un brin de retour;
    - dans laquelle le brin de transport circule au-dessus d'un caisson à dépression (15; 25) disposé à l'intérieur de la boucle de la courroie transporteuse (10), dans lequel on peut produire une dépression qui se propage à travers le brin de transport afin d'aspirer la bande de papier ou un ruban de celle-ci, qui doit être guidé (e) au moyen de la courroie transporteuse;
    - dans laquelle le premier rouleau amont (11) est placé à proximité d'une trajectoire de la bande de papier ou d'une surface de la machine délivrant la bande de papier; et
    - dans laquelle, pour former une zone aspirante de fixation, le premier rouleau (11) est un rouleau aspirant et est raccordé à une source de dépression, de telle manière qu'une dépression produite par la source de dépression se propage à travers la courroie transporteuse circulant sur le premier rouleau (11), afin d'aspirer la bande de papier ou un ruban de celle-ci, qui doit être guidé(e) au moyen de la courroie;
    caractérisée en ce que
    - le brin de transport circule en ligne droite dans la direction de transport depuis le premier jusqu'au deuxième rouleau et le brin de retour circule depuis le deuxième jusqu'au premier rouleau, le brin de transport étant dévié sur le deuxième rouleau (12) pour devenir le brin de retour et le brin de retour étant dévié sur le premier rouleau (11) pour devenir le brin de transport; et
    - le deuxième rouleau aval (12) du transporteur à courroie aspirante (8) peut être déplacé par rapport au caisson à dépression du transporteur à courroie aspirante (8) afin de tendre la courroie transporteuse (10) .
  2. Machine selon la revendication 1, caractérisée en ce que le caisson à dépression (15 ; 25) du transporteur à courroie aspirante (8) est ouvert vers une enveloppe rotative perforée (13) du premier rouleau (11) et porte des éléments d'étanchéité (16, 17) qui touchent la surface extérieure de l'enveloppe rotative (13).
  3. Machine selon la revendication 2, caractérisée en ce que le caisson à dépression (15) du transporteur à courroie aspirante (8) est divisé en au moins deux sections (15a, 15b), qui sont disposées l'une derrière l'autre le long de la trajectoire de la courroie transporteuse.
  4. Machine selon la revendication 3, caractérisée en ce que la section amont (15a) du caisson à dépression, ouverte vers l'enveloppe perforée (13) du premier rouleau (11), peut être soumise à une dépression plus élevée que la section aval (15b) du caisson à dépression.
  5. Machine selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'il est prévu, à l'extrémité amont du transporteur à courroie aspirante (8), au moins une buse de soufflage de bord (46) permettant de projeter un jet d'air entre un rouleau ou cylindre (40) délivrant la bande de papier et la bande de papier ou le ruban (9), destiné en outre à entraîner la bande de papier ou le ruban sur l'extrémité amont du transporteur à courroie aspirante (8).
  6. Machine selon la revendication 5, caractérisée en ce que la buse de soufflage de bord (46) convient pour entraîner le nouveau commencement de la bande ou du ruban (9) sur l'extrémité amont du transporteur à courroie aspirante.
  7. Transporteur à courroie aspirante (8) pour une machine pour la fabrication ou la finition d'une bande de papier selon l'un quelconque des revendications 1 à 6, comprenant:
    - une courroie transporteuse sans fin (10) perméable à l'air;
    - un premier rouleau (11), disposé à l'extrémité amont du transporteur à courroie aspirante, et un deuxième rouleau (12), disposé à l'extrémité aval du transporteur à courroie aspirante, dans laquelle les rouleaux décalés l'un par rapport à l'autre dans une direction de transport du transporteur à courroie aspirante (8) guident la courroie transporteuse en une boucle autour du premier (11) et du deuxième (12) rouleaux, lorsque la courroie transporteuse circule; et
    - dans laquelle la courroie transporteuse (10) comprend un brin de transport et un brin de retour;
    - dans laquelle le brin de transport circule au-dessus d'un caisson à dépression (15; 25) disposé à l'intérieur de la boucle de la courroie transporteuse (10), dans lequel on peut produire une dépression qui se propage à travers le brin de transport afin d'aspirer la bande de papier ou un ruban de celle-ci, qui doit être guidé(e) au moyen de la courroie transporteuse; et
    - dans laquelle, pour former une zone aspirante de fixation, le premier rouleau (11) est un rouleau aspirant et est raccordé à une source de dépression, de telle manière qu'une dépression produite par la source de dépression se propage à travers la courroie transporteuse circulant sur le premier rouleau (11), afin d'aspirer la bande de papier ou un ruban de celle-ci, qui doit être guidé(e) au moyen de la courroie;
    caractérisée en ce que
    - le brin de transport circule en ligne droite dans la direction de transport depuis le premier jusqu'au deuxième rouleau et le brin de retour circule depuis le deuxième jusqu'au premier rouleau, le brin de transport étant dévié sur le deuxième rouleau (12) pour devenir le brin de retour et le brin de retour étant dévié sur le premier rouleau (11) pour devenir le brin de transport; et
    - le deuxième rouleau aval (12) du transporteur à courroie aspirante (8) peut être déplacé par rapport au caisson à dépression du transporteur à courroie aspirante (8) afin de tendre la courroie transporteuse (10).
  8. Utilisation du transporteur à courroie aspirante de la machine selon l'une quelconque des revendications 1 à 6 ou du transporteur à courroie aspirante selon la revendication 7, pour le guidage ou le transfert d'une bande de papier et/ou d'un ruban d'une ou de la bande de papier.
EP04007361A 2000-11-14 2001-11-09 Transporteur a courroie aspirante et machine comportant un tel convoyeur pour la fabrication ou la finition d'une bande de papier Expired - Lifetime EP1440926B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20019346U DE20019346U1 (de) 2000-11-14 2000-11-14 Vacuum-Bandfördervorrichtung
DE20019346U 2000-11-14
EP01126746A EP1205415A3 (fr) 2000-11-14 2001-11-09 Transporteur à courroie aspirante

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP01126746A Division EP1205415A3 (fr) 2000-11-14 2001-11-09 Transporteur à courroie aspirante

Publications (3)

Publication Number Publication Date
EP1440926A2 EP1440926A2 (fr) 2004-07-28
EP1440926A3 EP1440926A3 (fr) 2004-09-29
EP1440926B1 true EP1440926B1 (fr) 2007-09-26

Family

ID=38565134

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Application Number Title Priority Date Filing Date
EP04007361A Expired - Lifetime EP1440926B1 (fr) 2000-11-14 2001-11-09 Transporteur a courroie aspirante et machine comportant un tel convoyeur pour la fabrication ou la finition d'une bande de papier

Country Status (3)

Country Link
EP (1) EP1440926B1 (fr)
AT (1) ATE374155T1 (fr)
DE (1) DE50113072D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009001743A1 (de) 2009-03-23 2010-09-30 Voith Patent Gmbh Vorrichtung zum Führen eines Materialbahnstreifens

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014118A1 (de) 2007-03-23 2008-09-25 Voith Patent Gmbh Vorrichtung zum Führen bzw. Überführen einer Papier-, Karton- oder anderen Faserstoffbahn
DE102008002260A1 (de) 2008-06-06 2009-12-10 Voith Patent Gmbh Vorrichtung zum Führen bzw. Überführen einer Faserstoffbahn
DE102008044226A1 (de) 2008-12-01 2010-06-02 Voith Patent Gmbh Vorrichtung zum Führen bzw. Überführen einer Faserstoffbahn
DE102015001008A1 (de) 2015-01-28 2016-07-28 Andritz Küsters Gmbh Verfahren und Vorrichtung zur Herstellung von nassgelegten Vliesstoffen
DE102015005384A1 (de) 2015-04-28 2016-11-03 Andritz Küsters Gmbh Verfahren und Vorrichtung zur Herstellung von nassgelegten Vliesstoffen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698919A (en) * 1986-04-08 1987-10-13 Beloit Corp. Apparatus for assisting the transfer of a web to a drying section
DE4040485C2 (de) * 1990-12-18 1995-05-11 Roland Man Druckmasch Vorrichtung zum Fördern eines insbesondere geschuppten Stroms von Bogen
US5355593A (en) * 1992-06-24 1994-10-18 J.M. Voith Gmbh Device for transferring a fiber web

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009001743A1 (de) 2009-03-23 2010-09-30 Voith Patent Gmbh Vorrichtung zum Führen eines Materialbahnstreifens

Also Published As

Publication number Publication date
ATE374155T1 (de) 2007-10-15
DE50113072D1 (de) 2007-11-08
EP1440926A2 (fr) 2004-07-28
EP1440926A3 (fr) 2004-09-29

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