EP1749927B1 - Dispositif d'essorage d'une bande fibreuse - Google Patents

Dispositif d'essorage d'une bande fibreuse Download PDF

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Publication number
EP1749927B1
EP1749927B1 EP06114373A EP06114373A EP1749927B1 EP 1749927 B1 EP1749927 B1 EP 1749927B1 EP 06114373 A EP06114373 A EP 06114373A EP 06114373 A EP06114373 A EP 06114373A EP 1749927 B1 EP1749927 B1 EP 1749927B1
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EP
European Patent Office
Prior art keywords
drying
belt
roll
press
fibrous 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.)
Revoked
Application number
EP06114373A
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German (de)
English (en)
Other versions
EP1749927A1 (fr
Inventor
Daniel Gronych
Robert Koplin
Klaus Hermann
Georg Dr. Kleiser
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.)
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Publication date
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Priority claimed from DE200510036903 external-priority patent/DE102005036903A1/de
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1749927A1 publication Critical patent/EP1749927A1/fr
Application granted granted Critical
Publication of EP1749927B1 publication Critical patent/EP1749927B1/fr
Revoked legal-status Critical Current
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • 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
    • D21F3/04—Arrangements thereof
    • D21F3/045—Arrangements thereof including at least one extended press nip
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders

Definitions

  • the invention relates to a device for treating a fibrous web, in particular paper, board or tissue web, with a press section and a dryer section, wherein the press section comprises a central roller, which is wrapped by an at least substantially impermeable belt, and the fibrous web of this impermeable belt removed and the dryer section is supplied, as for example from the document US Pat. No. 5,876,565 is known.
  • the pulp or paper web is transferred from an impermeable dewatering medium, such as a felt, to a smooth central roll.
  • an impermeable dewatering medium such as a felt
  • On the smooth central roller is a further pressing in an additional nip.
  • An example of such a press is the so-called "DuoCentri II" press. This can also be provided with a shoe press nip as a preceding nip or as the last nip.
  • a free train is required in which the paper web is unsupported pulled by a covering medium on the first drying wire. In such a free train, it often comes to a web break.
  • the tape may also have a residual permeability of, for example, about 10 cfm.
  • the invention has for its object to provide an improved device of the type mentioned, in which the loads of the fibrous web are reduced and, accordingly, the risk of web breakage is reduced to a minimum.
  • first cylinder drying group of the dryer section comprises a maximum of three drying cylinders and that in the discharge area at least the first drying cylinder of the first cylinder drying group in which the fibrous web together with a permeable circulating belt from the drying cylinder expires or is removed by such a permeable circulating belt from the drying cylinder, on the side facing away from the fibrous web side of the permeable circulating belt is provided with a negative pressure applied pickup zone.
  • the take-off zone is subjected to a negative pressure of at least 500 Pa, whereby preferably a negative pressure of at least 1000 Pa is provided.
  • the applied with negative pressure decrease zone may conveniently be formed by a stabilizer box or the like.
  • all drying cylinders of the first cylinder drying group are each assigned a suction zone subjected to negative pressure.
  • the permeable circulating belt At least in the region of the first drying cylinder, the permeable circulating belt, on whose side facing away from the fibrous web side the take-off zone is provided, previously wrap around the drying cylinder together with the fibrous web.
  • the permeable circulating belt on whose side remote from the fibrous web side the take-off zone is provided, only remove the fibrous web from the drying cylinder.
  • the band which decreases the fibrous web from the last drying cylinder of the first cylinder drying group is assigned to the subsequent drying group.
  • a cleaning unit is assigned to at least the permeable circulating belt assigned to the first cylinder drying group.
  • a high-pressure cleaning unit is expediently used.
  • a traversing cleaning unit is provided as a cleaning unit.
  • the permeable circulating belt which takes over the fibrous web can in particular be formed by a drying sieve.
  • the fibrous web is transferred in a closed train from the central roller wrapping impermeable belt in the dryer section.
  • At least one high-performance drying unit is advantageously provided between the press of the press section comprising the central roll and the first drying cylinder of the first cylinder drying group of the dryer section.
  • Such a high-performance drying unit may in particular be gas-operated.
  • the fibrous web in the area in which it is dried by means of the high-performance drying unit is continuously supported by a circulating belt.
  • the high-performance drying unit comprises an evacuated roll and a preferably gas-heated box or the like associated therewith.
  • the fibrous web in particular, together with a permeable circulating belt between the vacuumed roller and the belt lying around the roller and the heated box be associated with the band and the fibrous web looped region of the roller.
  • At least two successive high-speed drying units are provided in the web running direction.
  • At least one high-performance drying unit is looped around by a permeable circulating belt assigned to the first cylinder drying group of the dryer section.
  • the evacuated roll of at least one high-performance drying unit can also be assigned its own permeable circulating belt which, apart from the evacuated roll, is guided only by one or more guide rolls.
  • the fibrous web is guided in a closed train from the central roller wrapping impermeable belt to the subsequent high-performance drying unit.
  • the fibrous web is preferably removed by a circulating transfer belt from the impermeable belt wrapping around the central roller and at passing the drawn from a permeable circulating belt suctioned roller of a high-performance drying unit.
  • a circulating transfer belt in particular a permeable transfer belt can be provided which is guided in the removal region around a suction guide roll.
  • At least one steam blast box with heat shield and / or at least one steam blower box with belt cooling be provided, the heat shield or the belt cooling can be provided in particular for the protection of the central roller encircling impermeable belt.
  • the central roller wrapped by the impermeable belt with two counterpressure units forms two press nips which follow one another in the direction of web travel.
  • a suction press roll is preferably provided as a counterpressure unit with which the central roll forms the first press nip provided on this central roll.
  • the counterpressure unit with which the central roller forms the first press nip provided on this central roller, is advantageously associated with a further press unit in order to form a press nip preceding the two press nips on the central roller.
  • this press nip preceding the two press nips on the central roll can be formed by a nip or also by a nip.
  • the second provided on the central roller press nip can be formed again by a roller nip or by a shoe press nip.
  • FIG. 1 shows a schematic partial representation of an exemplary embodiment of an apparatus 10 for treating a fibrous web, which may be in particular a paper, board or tissue web.
  • the device comprises a press section 14 adjoining a former 12 and a drying section 16 following thereon.
  • a press assembly associated with the press section 12 which comprises a central roller 20 looped around by an impermeable belt 18. The fibrous web is removed from this impermeable belt 18 and fed to the dryer section 16.
  • the central roller 20 looped around by the impermeable belt 18 forms two press nips 26, 28 which follow one another in the web running direction L with two counterpressure units 22, 24.
  • a suction press roll is provided as a counterpressure unit 22, with which the central roller 20 forms the first press nip 26 provided on this central roller 20, a suction press roll is provided.
  • This counterpressure unit 22, with which the central roller 20 forms the first press nip 26 provided on the central roller 20, is associated with a further press unit 30 in order to form a press nip 32 preceding the two press nips 26, 28 on the central roller 20.
  • This press nip 32 which precedes the two press nips 26, 28, can be formed by a roll nip or else by a shoe press nip.
  • the press unit 30 in question can therefore also be provided in particular as a shoe press unit, preferably a shoe press roll.
  • the second provided on the central roller 20 press nip 28 may be formed again by a roller nip or by a shoe press nip.
  • the counterpressure unit 24 in question can therefore also be provided, for example, as a shoe press unit, preferably a shoe press.
  • a circulating belt 34 for example a felt, through which the fibrous web was previously taken over by a sieve belt of the former 12, is guided around the suction press roll forming the counterpressure unit 22.
  • the air-permeable belt 34 is guided in the transition region around an evacuated guide roller 38.
  • Around the pressing unit 30 formed by a roller is another circumferential Volume 40, for example, again a felt out.
  • the preceding press nip 32 can thus be double felted in particular.
  • the fibrous web, together with the band 34 continues to be guided around the nip press unit 22 formed by a suction press roll and then into the first press nip 26 provided on the center roll 20, in the region of which it is surrounded by the impermeable band wrapping the center roll 20 18 is taken over.
  • the fibrous web, together with the impermeable belt 18, is guided further around the central roll 20 into the second press nip 28 provided on this central roll 20, which, as already mentioned, as well as the preceding press nip 32 can be designed as a roll nip or as a shoe press nip.
  • a roll nip is formed between the counterpressure unit 22 formed here by a suction press roll and the central roll 20.
  • the counterpressure unit 24 forming together with the central roller 20 the second press nip 28 provided on this central roller 20 is likewise again surrounded by a circulating belt 42, for example a felt.
  • the fibrous web is taken over by the impermeable belt 18 by a circulating permeable belt, here for example a drying wire 46, assigned to the dryer section 16 by the first cylinder drying section 44. wherein the drying wire 46 is guided in the transfer area around an evacuated guide roller 48.
  • a circulating permeable belt here for example a drying wire 46
  • the fibrous web is then fed, for example, to a first drying cylinder 50 of the drying section 16.
  • the fibrous web removed from the impermeable belt 18 can be fed to the dryer section 16, in particular in a closed draw.
  • the first cylinder drying group 44 of the drying section 16, viewed in the web running direction L, comprises a maximum of three drying cylinders, in the present case.
  • three drying cylinders 50, 52, 54 are provided.
  • these drying cylinders 50, 52, 54 of the first cylinder drying group 44 in which the fibrous web runs together with the drying wire 46 from the respective drying cylinder 50, 52 or by such a permeable circulating belt or drying wire 58 from the drying cylinder 54, i.
  • the last drying cylinder of the first cylinder drying group 44 is removed, is provided on the side facing away from the fibrous web side of the respective dryer fabric 46 and 56 each acted upon with a negative pressure decrease zone 56.
  • These negative pressure applied to the removal zones 56 may be formed, for example, each by a stabilizer box or the like.
  • each of the drying cylinders 50, 52, 54 of the first cylinder drying group 44 is assigned one such vacuum zone 56 subjected to negative pressure.
  • wraps in the area of the first drying cylinder 50 and in the second drying cylinder 52, the drying wire 46, on its side facing away from the fibrous web side, the respective removal zone 56 is provided, previously each respective drying cylinder 50 and 52 together with the fibrous web.
  • the fibrous web is only removed from the drying wire 58 from the last drying cylinder 54 of the first cylinder drying group 44.
  • the drying cylinder 54 is therefore not wrapped by the drying wire 58 with.
  • the drying cylinder 46 assigned to the first cylinder drying group 44 is led away from the drying cylinder 54.
  • the fibrous web of the last drying cylinder 54 of the first cylinder drying group 44 decreasing band or dryer 58 is assigned to the subsequent drying group.
  • the permeable circulating belt or sieve belt 46 associated with the first cylinder drying group 44 is assigned a cleaning unit 60, which may in particular be a high-pressure cleaning unit. In the present case, a traversing high-pressure cleaning unit is provided.
  • FIG. 2 differs from that according to FIG. 1 essentially in that between the central roller 20 comprehensive press of the press section 14 and the first drying cylinder 50 of the first cylinder drying group 44 of the dryer section 16 at least one, in the present case, for example, two high-performance drying units 62 are provided. These high-performance drying units 62 may be gas-operated in particular.
  • the fibrous web is in the areas where it is dried by means of the high-performance drying units 62, continuously supported by a respective circulating belt 64 and 46, respectively.
  • the high-performance drying units 62 each comprise an evacuated roll 66 and a preferably gas-fired box 68 associated therewith.
  • the fibrous web in the region of the first high-performance drying unit 62 together with a permeable circulating belt 64 between the vacuumed roller 66 and the belt 64, is guided lying around the roller 66.
  • the heated box 68 is associated with the area of the roller 66 looped by the belt 64 and the fibrous web.
  • the fibrous web In the area of the second high-performance drying unit 62, the fibrous web, together with the drying wire 46 of the first cylinder drying group 44, is guided lying around the roller 66 lying between the drawn roll 66 and the drying wire 46.
  • the heated box 68 is again associated with the area of the roller 66 looped around by the permeable circulating belt or dryer belt 46 and the fibrous web.
  • the first high-performance drying unit 62 is thus associated with its own permeable circulating belt 64, which in addition to the drawn roller 66 is only guided around a guide roller 70 in the present case.
  • a drying wire associated with the first cylinder drying group 44 46 which is then performed, for example, two drying cylinders 50, 52 and an intermediate Saugumlenkwalze 72.
  • the drying group 44 thus comprises only two drying cylinders 50, 52.
  • the second dryer group associated drying cylinder 74 corresponding Saugumlenkwalzen 72 are provided.
  • the fibrous web is guided in a closed loop from the impermeable belt 18 wrapping the central roller 20 to the subsequent high-performance drying unit 62.
  • the fibrous web is removed by a circulating transfer belt 76 from the central roller 20 wrapped impermeable belt 18 and transferred to the looped by the permeable circulating belt 64 evacuated roller 66 of the first high-performance drying unit 62.
  • the circulating transfer belt 76 may in particular be a permeable transfer belt, which in the present case is guided around a suction guide roller 78 in the removal region.
  • this embodiment has at least substantially the same structure as that of the FIG. 1 , Corresponding parts are assigned the same reference numerals.

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  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (31)

  1. Dispositif (10) pour traiter une nappe fibreuse, notamment une nappe de papier, carton ou papier-tissu, comprenant une section de pressage (14) et une section de séchage (16), la section de pressage (14) comprenant un rouleau central (20) qui est entouré par une bande (18) au moins sensiblement imperméable, et la nappe fibreuse étant reprise par cette bande imperméable (18) et étant acheminée à la section de séchage (16),
    une zone d'enlèvement (56) sollicitée par une dépression étant prévue du côté opposé à la nappe fibreuse de la bande périphérique perméable (46, 58), dans la région de sortie au moins du premier cylindre de séchage (50) du premier groupe de cylindres de séchage (44), vu dans la direction d'avance de la nappe, dans laquelle la nappe fibreuse, conjointement avec une bande périphérique perméable (46) se déroule du cylindre de séchage (50, 52) ou est enlevée du cylindre de séchage (54) par une telle bande périphérique (58) perméable,
    caractérisé en ce que
    le premier groupe de cylindres de séchage (44) de la section de séchage (16) comprend au maximum trois cylindres de séchage (50, 52, 54), et en ce que la zone d'enlèvement (56) est sollicitée par une dépression d'au moins 500 Pa.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    la zone d'enlèvement (56) sollicitée par une dépression est formée par une caisse de stabilisateur.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que
    la zone d'enlèvement (56) est sollicitée par une dépression d'au moins 1000 Pa.
  4. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'on associe à tous les cylindres de séchage (50, 52, 54) du premier groupe de cylindres de séchage (44) à chaque fois une zone d'enlèvement (56) sollicitée par une dépression.
  5. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que,
    au moins dans la région du premier cylindre de séchage (50), la bande périphérique perméable (46), sur le côté opposé à la nappe fibreuse de laquelle est prévue la zone d'enlèvement (56), entoure d'abord le cylindre de séchage conjointement avec la nappe fibreuse.
  6. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    dans la région du dernier cylindre de séchage (54) du premier groupe de cylindres de séchage (44), la bande périphérique perméable (58), sur le côté opposé à la nappe fibreuse de laquelle est prévue la zone d'enlèvement (56), enlève la nappe fibreuse du cylindre de séchage (54).
  7. Dispositif selon la revendication 6,
    caractérisé en ce que
    la bande (58) enlevant la nappe fibreuse du dernier cylindre de séchage (54) du premier groupe de cylindres de séchage (44) est associée au groupe de séchage suivant.
  8. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'on associe une unité de nettoyage (60) au moins à la bande périphérique perméable (46) associée au premier groupe de cylindres de séchage.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on prévoit comme unité de nettoyage (60) une unité de nettoyage haute pression.
  10. Dispositif selon la revendication 8 ou 9,
    caractérisé en ce que
    l'on prévoit comme unité de nettoyage (60) une unité de nettoyage transversale.
  11. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la bande périphérique perméable est formée par une toile de séchage (46, 58).
  12. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la nappe fibreuse est transférée dans un trajet fermé de la bande imperméable (18) entourant le rouleau central (20) à la section de séchage (16).
  13. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'on prévoit entre la presse de la section de pressage (14) comprenant le rouleau central (20) et le premier cylindre de séchage (50) du premier groupe de cylindres de séchage (44) de la section de séchage (16) au moins une unité de séchage de haute performance (62).
  14. Dispositif selon la revendication 13,
    caractérisé en ce que
    l'unité de séchage de haute performance (62) fonctionne au gaz.
  15. Dispositif selon la revendication 13 ou 14,
    caractérisé en ce que
    la nappe fibreuse est supportée en continu par une bande périphérique (64, 46), dans la région dans laquelle elle est séchée au moyen de l'unité de séchage de haute performance (62).
  16. Dispositif selon l'une quelconque des revendications 13 à 15,
    caractérisé en ce que
    l'unité de séchage haute performance (62) comprend un rouleau aspiré (66) et une caisse (68) associée à celui-ci et de préférence chauffée au gaz.
  17. Dispositif selon la revendication 16,
    caractérisé en ce que
    la nappe fibreuse est guidée à plat autour du rouleau (66) conjointement avec une bande (64, 46) périphérique perméable entre ledit rouleau (66) et la bande (64, 46), et la caisse chauffée (68) est associée à la région du rouleau (66) entourée par la bande (64, 46) et la nappe fibreuse.
  18. Dispositif selon l'une quelconque des revendications 13 à 17,
    caractérisé en ce
    qu'au moins deux unités de séchage de haute performance (62) se suivant dans la direction d'avance de la nappe (L) sont prévues.
  19. Dispositif selon l'une quelconque des revendications 13 à 18,
    caractérisé en ce que
    ledit rouleau (66) d'au moins une unité de séchage de haute performance (62) est entouré par une bande (46) périphérique perméable associée au premier groupe de cylindres de séchage (44) de la section de séchage (16).
  20. Dispositif selon l'une quelconque des revendications 13 à 19,
    caractérisé en ce que
    ledit rouleau (66) d'au moins une unité de séchage de haute performance (62) est associé à une bande périphérique perméable propre (64), qui est guidée autour dudit rouleau (66) et aussi autour d'un ou de plusieurs rouleaux directeurs (70).
  21. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la nappe fibreuse est guidée dans la section fermée depuis la bande imperméable (18) entourant le rouleau central (20) jusqu'à l'unité de séchage de haute performance (62) qui la suit.
  22. Dispositif selon la revendication 21,
    caractérisé en ce que
    la nappe fibreuse est enlevée par une bande de transfert périphérique (76) de la bande imperméable (18) entourant le rouleau central (20) et est transférée au rouleau aspiré (66) d'une unité de séchage de haute performance (62) entourée par une bande périphérique perméable (64).
  23. Dispositif selon la revendication 22,
    caractérisé en ce que
    l'on prévoit comme bande de transfert périphérique (76) une bande de transfert perméable qui est guidée dans la région d'enlèvement autour d'un rouleau directeur aspirant (78).
  24. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'on prévoit au moins une caisse de soufflage à vapeur avec une barrière thermique et/ou au moins une caisse de soufflage à vapeur avec un refroidissement de bande.
  25. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que le rouleau central (20) entouré par la bande imperméable (18) forme avec deux unités de pressage conjuguées (22, 24) deux pinçages de presse (26, 28) successifs dans la direction d'avance de la nappe (L).
  26. Dispositif selon la revendication 25,
    caractérisé en ce que l'on prévoit comme unité de pressage conjuguée (22), avec laquelle le rouleau central (20) forme le premier pinçage de presse (26) prévu sur ce rouleau central (20), un rouleau de presse aspirant.
  27. Dispositif selon la revendication 25 ou 26,
    caractérisé en ce que
    l'on associe à l'unité de presse conjuguée (22), avec laquelle le rouleau central (20) forme le premier pinçage de presse (26) prévu sur ce rouleau central (20), une autre unité de presse (30), afin de former un pinçage de presse (32) précédant les deux pinçages de presse (26, 28) sur le rouleau central (20).
  28. Dispositif selon la revendication 27,
    caractérisé en ce que
    le pinçage de presse (32) précédant les deux pinçages de presse (26, 28) sur le rouleau central (20) est formé par un pinçage de presse de rouleau.
  29. Dispositif selon la revendication 27,
    caractérisé en ce que
    le pinçage de presse (32) précédant les deux pinçages de presse (26, 28) sur le rouleau central (20) est formé par un pinçage de presse à sabot.
  30. Dispositif selon l'une quelconque des revendications 25 à 29,
    caractérisé en ce que
    le deuxième pinçage de presse (28) prévu sur le rouleau central (20) est formé par un pinçage de presse de rouleau.
  31. Dispositif selon l'une quelconque des revendications 25 à 29,
    caractérisé en ce que
    le deuxième pinçage de presse (28) prévu sur le rouleau central (20) est formé par un pinçage de presse à sabot.
EP06114373A 2005-08-05 2006-05-23 Dispositif d'essorage d'une bande fibreuse Revoked EP1749927B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202005012994U DE202005012994U1 (de) 2005-08-05 2005-08-05 Vorrichtung zur Entwässerung einer Faserstoffbahn
DE200510036903 DE102005036903A1 (de) 2005-08-05 2005-08-05 Vorrichtung zur Entwässerung einer Faserstoffbahn

Publications (2)

Publication Number Publication Date
EP1749927A1 EP1749927A1 (fr) 2007-02-07
EP1749927B1 true EP1749927B1 (fr) 2009-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114373A Revoked EP1749927B1 (fr) 2005-08-05 2006-05-23 Dispositif d'essorage d'une bande fibreuse

Country Status (4)

Country Link
US (1) US7628891B2 (fr)
EP (1) EP1749927B1 (fr)
AT (1) ATE437265T1 (fr)
DE (2) DE202005012994U1 (fr)

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FI119029B (fi) * 2006-01-30 2008-06-30 Metso Paper Inc Menetelmä ja laite kuiturainakoneen, kuten paperi- tai kartonkikoneen kuivatusosassa
US9523173B1 (en) * 2013-04-09 2016-12-20 Pmt Italia S.L.A. Press apparatus
EP3194654B1 (fr) * 2014-09-15 2021-11-10 UPM Specialty Papers Oy Procédé de fabrication de papier de haute qualité à faible grammage destiné à être utilisé comme couche de support d'un revêtement antiadhésif à un ensemble courroie
TWI699060B (zh) * 2017-02-03 2020-07-11 日商新川股份有限公司 配線結構
DE102018119383A1 (de) * 2018-08-09 2020-02-13 Voith Patent Gmbh Maschine und Verfahren zur Herstellung einer Wellpappenrohpapierbahn
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EP1749927A1 (fr) 2007-02-07
ATE437265T1 (de) 2009-08-15
DE202005012994U1 (de) 2005-11-03
US20070028481A1 (en) 2007-02-08
US7628891B2 (en) 2009-12-08

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