EP2885455B1 - Cylindre aspirant destiné à une machine pour la production et/ou la transformation d'une bande de papier, de carton ou de papier ouaté - Google Patents

Cylindre aspirant destiné à une machine pour la production et/ou la transformation d'une bande de papier, de carton ou de papier ouaté Download PDF

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Publication number
EP2885455B1
EP2885455B1 EP13747398.9A EP13747398A EP2885455B1 EP 2885455 B1 EP2885455 B1 EP 2885455B1 EP 13747398 A EP13747398 A EP 13747398A EP 2885455 B1 EP2885455 B1 EP 2885455B1
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EP
European Patent Office
Prior art keywords
roller
sealing strip
sealing
lubricant
line
Prior art date
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Application number
EP13747398.9A
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German (de)
English (en)
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EP2885455A1 (fr
Inventor
Marc Erkelenz
Jochen Honold
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
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Voith Patent GmbH
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Publication date
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Publication of EP2885455A1 publication Critical patent/EP2885455A1/fr
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Publication of EP2885455B1 publication Critical patent/EP2885455B1/fr
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Classifications

    • 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
    • D21F3/10—Suction rolls, e.g. couch rolls
    • 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
    • D21F5/14—Drying webs by applying vacuum
    • D21F5/143—Drying webs by applying vacuum through perforated cylinders

Definitions

  • the invention relates to a roller with an overpressure or underpressure zone according to the preamble of claim 1.
  • Sealing devices in suctioned or blown rolls for paper, board or tissue machines must reliably seal the overpressure or underpressure zone against the environment in which normal pressure prevails.
  • the sealing surface of each sealing strip of the sealing device is employed against the inside of the rotating roll shell to seal the overpressure or vacuum zone.
  • it is attempted to introduce a lubricant between the sealing surface and the inside. This is usually done with spray tubes, which are arranged in the direction of rotation of the roller in front of the first sealing strip of the overpressure or underpressure zone.
  • the lubricant is applied to the inside of the roll shell of this transported by its rotation to the individual sealing strips, whereby viewed in the direction of rotation decreases the lubricant supply from sealing strip to sealing strip.
  • a large amount of lubricant must be used, which but only a small part of the actual lubrication of the sealing strips to good and otherwise contributes to unwanted rewetting of the fibrous web.To solve this problem is from the US 2 269 837 is a sealing strip with integrated lubrication known.
  • a preferred embodiment of this invention further proposes here a lubricant channel provided on the upper side of the roller in the form of a side view the sealing surface arranged in the longitudinal direction of the sealing strip, ie in the cross machine direction of the roller, extending groove-like depression.
  • a roller for a machine for the production or processing of a fibrous web wherein the roller comprises a movable roll shell and an inside or inside the roll shell and in comparison to the roll shell rotatable overpressure or underpressure zone, which with respect to the environment by means of at least one sealing strip sealed sealing means is comprehensive, wherein the sealing strip is limited in its width by a front and a rear end face and in the radial direction of the roller to the inside of the roll shell and away from this movable, and wherein the sealing strip in the region of the inside of the movable Rolling jacket facing sealing surface comprises at least one connected to a supply line lubricant outlet opening, by means of which lubricant between the inside of the roll shell and the sealing surface can be brought, wherein the supply line extending within the sealing strip n part and outside the sealing strip but within the roller extending part.
  • the invention is characterized in that the part of the supply line running inside the roller has on its length guided outside the sealing strip a first and second line section, wherein the first line section is longer than the second line section and the second line section in comparison to the first line section biegeflexibler is formed.
  • the bend-flexible, short second line section Due to the bend-flexible, short second line section, a free displaceability of the sealing strip relative to the inside of the roll shell is ensured in the radial direction of the roll.
  • the first line section of the inside of the roller but outside the sealing strip extending part of the supply line can be made resistant to bending and therefore stable.
  • the bend flexible second line section is particularly important to ensure that it runs so that it does not scrub during movement of the sealing strip on components within the roller.
  • the more rigid first line section may, for example, be embodied by one or more steel tubes.
  • the flexurally flexible second line section can be embodied, for example, by one or more plastic hoses, in particular rubber hoses, which, for example, can be reinforced with a metal mesh or mesh.
  • the bending-resistant first line section prefferably begins at the at least one end of the roll and to extend in the direction of the sealing strip in the roll. It is also conceivable that the flexurally flexible second line section at a maximum distance of one meter from the at least one point begins at which the supply line is guided out of the sealing strip. It is conceivable that the flexurally flexible second line section has a length of 15cm to 200cm, especially 20cm to 150cm.
  • each of the two roller ends comprises a roller cover and the supply line is guided on at least one of the roller cover from the roller.
  • the bendable second line section begins at the point at which the supply line is guided out of the sealing strip.
  • the supply line preferably has a fourth line section which is integral or inseparably connected to the sealing strip.
  • the central supply channel and the at least one riser line and a third line section detachably connected to the fourth line section extend outside the sealing strip and preferably at least one of the two roll ends is guided. This makes it possible that the sealing strip, for example. In their replacement or maintenance easily connected to the lubricant supply and can be separated from this again.
  • At least one connecting element for example in the form of a sleeve sealed by means of an O-ring, is provided by means of which the third and fourth line sections are detachably connected to one another that is, according to this embodiment, the fourth conduit section extends substantially within the sealing strip and terminates at the connecting element.
  • the third line section is then guided outside the sealing strip and is detachably connected to the fourth line section via the at least one connecting element.
  • the fourth line section extends in such a branched manner within the sealing strip that it is guided out of the sealing strip at several points, for example, in the longitudinal direction of the sealing strip.
  • a connecting element is then preferably arranged in the region of each point on which a branch of the fourth line section is guided out of the sealing strip by means of which the respective branch is connected to the third line section.
  • the third line section is composed of the first and second line sections.
  • the sealing device comprises a sealing strip holder for holding the sealing strip
  • the sealing strip holder has a holding portion with at least one guide surface along which the sealing strip with at least one of the two sides of the front and rear end side in the radial direction the roller viewed from and to the inside of the roll shell surface and is slidably mounted
  • the supply line is led out at least one point on one of the two end faces of the sealing strip
  • the holding portion has at least one recess through which the from the end face of the sealing strip led out led portion of the supply line through the sealing strip holder, wherein the at least one recess is formed such that the sealing strip entl together with the lead-out portion of the supply line relative to the sealing strip holder ang the path is movable.
  • the at least one recess is formed as a hole or as an upwardly open groove.
  • the sealing strip comprises a facing the inside of the roll shell top, which provides the sealing surface and the at least one lubricant outlet opening.
  • the at least one lubricant outlet opening is formed as a lubricant groove, in the form of a formed in the material of the sealing strip in its longitudinal direction in the longitudinal direction of the sealing strip extending groove-like depression in the material of the sealing strip.
  • the sealing strip is limited in its length by two ends, wherein the sealing strip in the region of its two ends in each case has a wall bounding the lubricant channel in its length.
  • the lubricant channel is completed on both sides in its length, this is formed like a trough, whereby a uniform over the length of the lubricant groove level of lubricant can be adjusted and the lubricant groove forms a kind of memory for the lubricant.
  • a substantially constant level of lubricant can be maintained.
  • the amount of lubricant required can be further reduced and the emergency running properties can be improved with short-term failure of the lubricant supply.
  • the lubricant groove extends substantially over most of the length of the sealing strip. In essence, this means that the lubricant channel extends over at least 60%, preferably at least 70%, of the length of the sealing strip. In this case, the lubricant channel can extend uninterrupted.
  • the two the lubricant channel in their length limiting walls have a strength - viewed in the longitudinal direction of the sealing strip - of a maximum of 20 cm, preferably a maximum of 10cm. In a conventional sealing strip, this may mean that the lubricant channel extends over several meters, whereas the two walls at the ends of the sealing strip each extend over a maximum of 20 cm, in particular a maximum of 10 cm.
  • a preferred embodiment of the invention provides that the supply line within the sealing strip along the longitudinal direction extending central supply channel and at least one, preferably a plurality of the lubricant channel and the central supply channel interconnecting riser (s) comprises via which the lubricant channel is fed by ending in the lubricant groove outlet openings of the respective riser with the lubricant.
  • the central supply channel through one or a few leads with the lubricant be fed.
  • the central supply channel then distributes the lubricant to several risers - where the number of risers is significantly greater than the number of leads. It is conceivable in this context that viewed in the longitudinal direction of the sealing strip about every 5 to 500mm an outlet opening is arranged.
  • a further advantageous embodiment of the invention provides that the central supply channel has a changing cross-sectional area and / or cross-sectional geometry along its longitudinal extent.
  • a central supply channel with varying cross-section produce by, for example, in the main body of the sealing strip first to one of the long sides of the body open towards groove, for example. U-shaped groove is introduced, the opening then partially with sealing strip material, for example Is closed by means of the width and length but not depth of the groove replicating profile body.
  • This profile body can then be attached, for example, by gluing to the base body and together with it form a channel which provides the central supply channel.
  • a preferred embodiment of the invention provides that the sealing surface and the lubricant channel are arranged on the top, as viewed in the intended direction of rotation of the roll shell, the lubricant groove the essential part of the sealing surface, in particular that the lubricant channel of Preceding sealing surface.
  • This ensures that the inside of the roll shell is wetted with the lubricant directly before it runs onto the sealing surface or at least the essential part of the sealing surface.
  • the roll shell runs on the front end face on the sealing strip, first passes over the lubricant channel and then the sealing surface and runs off at the rear end of the sealing strip.
  • the lubricant channel has a bottom forming the lowest point of the lubricant channel with a front side wall extending to the front end side and a rear side wall extending to the sealing surface.
  • the front side wall extends to the front end side and the rear side wall to the sealing surface.
  • the rear side wall occupies a horizontal angle of 1 ° -89, in particular an angle of 15 ° or more and 80 ° or less.
  • the rear end closer to the inside of the roll shell as the front end, in particular, the rear end extends to the inside of the Roll shell, whereas the front end side does not extend to the inside of the roll shell.
  • the lubricant is preferably substantially water.
  • the term "essentially” refers to the possible possibility of adding lubricant additives to the water, with water always being the main constituent (based on volume%) of such a mixture.
  • the front and the back of the sealing strip extend substantially parallel to each other.
  • FIG. 1 shows a sealing strip 1 of a sealing device according to the invention in plan view of the top 2 of the sealing strip 1, which faces the inside of a rotatable roll shell.
  • the top 2 of the sealing strip 1 provides a hatched drawn sealing surface 3 and an adjacent to the sealing surface 3 lubricant channel 4, wherein the lubricant channel is formed by at least one groove-like in the longitudinal direction L of the sealing strip 1 extending recess in the sealing strip and the sealing surface 3 and Opening the lubricant channel 4 to the inside of the roll shell point.
  • the longitudinal direction L of the sealing strip 1 and the longitudinal direction of the roller coincide and are designated individually and together with the reference symbol L.
  • the length of the sealing strip 1 is to be understood as the maximum extent in the longitudinal direction L.
  • ends in the lubricant channel 4 a plurality in the longitudinal direction of the lubricant channel 4 successively arranged openings 5 of a supply line 12 for supplying lubricant.
  • the sealing strip 1 is in its length by two ends 6.1 and 6.2 limited.
  • the sealing strip 1 has in the region of its two ends 6.1. and 6.2 each have a lubricant channel 4 in its length limiting wall 7.1 and 7.2.
  • the sealing strip 1 has a length of several meters and each of the two walls 7.1 and 7.2 has - viewed in the longitudinal direction L of the sealing strip 1 - a thickness of 20cm or less, especially 10cm or less.
  • FIG. 2 shows a roller 8 according to the invention in a sectional plane perpendicular to the longitudinal extent L of the roller 1.
  • a sealing device 9 with in the FIG. 1 shown sealing strip 1 installed as intended.
  • the FIG. 2 shows the sealing device 9 with the sealing strip 1 in the position in which the sealing surface 3 is employed to seal an overpressure or underpressure zone, not shown, against the inner side 11 of the roll shell 10.
  • the FIG. 3 shows a longitudinal end of the roll in plan view without representation of the roll shell, wherein within the roller 8 extending components are drawn with dashed lines.
  • the lubricant channel 4 is connected to a supply line 12 extending in sections within the sealing strip 1, which ends sealing rings on the openings 5 and by means of which lubricant 31, which is located in the lubricant channel 4 between the inner side 11 of the roll shell 10 and the sealing surface 3 can be brought.
  • the sealing surface 3 and the lubricant channel 4 are arranged on the top 2, that upon rotation of the roll shell 10 in the intended direction of rotation D, the lubricant channel is the essential part, in this case even upstream of the entire sealing surface 3.
  • the sealing strip 1 is limited in its width B by a front end face 24 and a substantially parallel rearward end face 15, between which the upper side 2 of the sealing strip 1 extends.
  • the front - and rear end face 24, 15 and the sealing surface 3 and the lubricant channel 4 are arranged such that upon rotation of the roll shell 10 in the space provided Viewed in direction of rotation D, the roll shell 10 runs in the region of the front end face 24 on the sealing strip 1 first the lubricant channel 4 and then the sealing surface 3 sweeps around in the region of the rear end face 15 of the sealing strip 1 runs.
  • the sealing strip holder 25 in the present case has a holding section with two guide surfaces 26, 27 on which the sealing strip with its two sides 15, 24 of front or rear end face displaceable in the radial direction R.
  • the roller 8 is slidably mounted along a path from and to the inner side 11 of the roll shell surface 10.
  • the sealing strip holder 25 also has a bottom 29 on which a bellows 30 which can be filled with a pressure medium such as, for example, air is supported and by means of which the sealing strip 1 can be moved in the direction R relative to the sealing strip holder 25.
  • the supply line 12 is led out of the sealing strip 1 at at least one point 28 on the rear end face 15.
  • the holding section has at least one hole-shaped recess 32, through which each of the rear end face 15 of the sealing strip 1 led out portion of the supply line 12 by the sealing strip holder 25 is guided therethrough.
  • the supply line 12 comprises a guided inside the sealing strip section and outside of the Sealing strip 1 guided section.
  • the guided within the sealing strip 1 section of the supply line 12 comprises a extending in the longitudinal direction L of the sealing strip 1 central supply channel 13 of the several in the longitudinal direction L of the sealing strip 1 successively arranged risers 14 go out, each end at an opening 5 in the lubricant channel 4. From the central supply channel 13 go one or more presently guided horizontally line sections, which is guided on the rear end face 15 of the sealing strip 1 from this or are. It is conceivable that the central supply channel 13 along its longitudinal extent L has a changing cross-sectional area and / or cross-sectional geometry.
  • the outside of the sealing strip 1 but within the roller 8 extending portion of the supply line 12 includes a first line section 21 and a second line section 22, as in the Figures 2 and 3 shown.
  • the first line section 21 is longer than the second line section 22 and the second line section 22 according to the invention is flexurally flexible in comparison to the first line section 21.
  • the second line section 22 is formed by a rubber hose with a reinforcement by a metal braid 22.
  • the second line section 22 begins within a range of a maximum of one meter calculated from the point 28 at which the supply line 12 is guided out of the sealing strip 1 and has a length of 20-100cm.
  • the first line section 21 terminates at its one longitudinal end at an example. Formed as a roller cover longitudinal side roller end 23 and at its other longitudinal end to a connecting piece 20th
  • the first and the second line sections 21, 22 together form a third line section 18.
  • the part of the supply line 12 running within the sealing strip 1 and a short line section extending between the central supply channel 13 and the point 28 form a fourth line section 17 fourth line section 17 is permanently connected to the sealing strip 1 and integral with the sealing strip.
  • the fourth line section 17 is here, since this is an integral part of the sealing strip 1, when removing and installing the sealing strip 1 with the sealing strip 1 off or installed.
  • the third and fourth line sections 18, 17 are detachably connected to one another via the connecting element 20.

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  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)
  • Actuator (AREA)

Claims (15)

  1. Cylindre (8) destiné à une machine pour la production ou la transformation d'une bande de matière fibreuse, dans lequel le cylindre (8) comprend une enveloppe de cylindre mobile (10) et une zone de surpression ou de dépression disposée à l'intérieur de l'enveloppe de cylindre (10) et fixe en rotation par comparaison avec l'enveloppe de cylindre (10), qui est rendue étanche par rapport à l'environnement au moyen d'un dispositif d'étanchéité (9) comprenant au moins une baguette d'étanchéité (1), dans lequel la baguette d'étanchéité (1) est limitée en largeur par un côté frontal avant et un côté frontal arrière (24, 15) et est déplaçable en direction radiale du cylindre (8) en direction du côté intérieur (11) de l'enveloppe de cylindre (10) et inversement, et dans lequel la baguette d'étanchéité (1) comprend dans la région de sa face d'étanchéité (3) orientée vers le côté intérieur (11) de l'enveloppe de cylindre mobile (10) au moins une ouverture de sortie de lubrifiant (5) raccordée à une conduite d'alimentation (12), au moyen de laquelle du lubrifiant (31) peut être amené entre le côté intérieur (11) de l'enveloppe de cylindre (10) et la face d'étanchéité (3), dans lequel la conduite d'alimentation (12) comprend une partie s'étendant à l'intérieur de la baguette d'étanchéité (1) ainsi qu'une partie s'étendant à l'extérieur de la baguette d'étanchéité (1) mais à l'intérieur du cylindre (8), caractérisé en ce que la partie de la conduite d'alimentation (12) s'étendant à l'intérieur du cylindre (8) présente sur sa longueur guidée à l'extérieur de la baguette d'étanchéité (1) une première et une deuxième partie de conduite (21, 22), dans lequel la première partie de conduite (21) est plus longue que la deuxième partie de conduite (22) et la deuxième partie de conduite (22) est plus flexible que la première partie de conduite (21).
  2. Cylindre (8) selon la revendication 1, caractérisé en ce que la conduite d'alimentation (12) est guidée hors du cylindre (8) dans la région d'au moins une extrémité de cylindre côté longitudinal du cylindre (8).
  3. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que la première partie de conduite (21) commence à ladite au moins une extrémité de rouleau (23) et s'étend dans le cylindre (8) en direction de la baguette d'étanchéité (1) et/ou la deuxième partie de conduite (22) commence dans une région d'un mètre maximum calculée à partir de l'endroit où la conduite d'alimentation (12) est menée hors de la baguette d'étanchéité (1).
  4. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que la deuxième partie de conduite (22) présente une longueur comprise dans la plage de 15 cm à 200 cm, en particulier une longueur comprise dans la plage de 20 cm à 150 cm.
  5. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que la conduite d'alimentation (12) présente une quatrième partie de conduite (17) assemblée de façon inséparable à la baguette d'étanchéité (1) ainsi qu'une troisième partie de conduite (18) assemblée de façon séparable à la quatrième partie de conduite (17), dans lequel la troisième partie de conduite (18) est formée de la première et de la deuxième partie de conduite (21, 22), dans lequel la conduite d'alimentation (12) présente un élément d'assemblage (20), en particulier dans la région dudit au moins un endroit (28) où celle-ci est menée hors de la baguette d'étanchéité (1), au moyen duquel la troisième et la quatrième partie de conduite (18, 17) sont assemblées l'une à l'autre de façon séparable.
  6. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que le dispositif d'étanchéité (9) comprend un support de baguette d'étanchéité (25) pour supporter la baguette d'étanchéité (1), dans lequel le support de baguette d'étanchéité (25) comporte une partie de maintien avec au moins une face de guidage (26, 27), sur laquelle la baguette d'étanchéité (1) est montée de façon coulissante avec au moins un des deux côtés du côté frontal avant ou arrière (24, 15), en regardant le long d'un chemin en direction radiale du cylindre (8), dans lequel la conduite d'alimentation (12) est menée hors de la baguette d'étanchéité (1) en au moins un endroit (28) sur au moins un des deux côtés du côté frontal avant et arrière (24, 15), et dans lequel la partie de maintien présente au moins une découpe (32), à travers laquelle la partie de la conduite d'alimentation (12) menée respectivement hors dudit au moins un côté du côté frontal avant ou arrière (24, 15) de la baguette d'étanchéité (1) est guidée à travers le support de baguette d'étanchéité (25), et dans lequel ladite au moins une découpe (32) est configurée de telle manière que la baguette d'étanchéité (1) soit déplaçable par rapport au support de baguette d'étanchéité (25) le long du chemin de concert avec la partie de la conduite d'alimentation (12) menée à l'extérieur.
  7. Cylindre (8) selon la revendication 6, caractérisé en ce que ladite au moins une découpe (32) est réalisée en forme de trou ou de rainure ouverte vers le haut.
  8. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que la baguette d'étanchéité (1) comprend un côté supérieur (2) orienté vers le côté intérieur (11) de l'enveloppe de cylindre (10), qui comprend la face d'étanchéité (3) et ladite au moins une ouverture de sortie de lubrifiant (5).
  9. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que ladite au moins une ouverture de sortie de lubrifiant (5) est réalisée en forme de rigole à lubrifiant (4) sous la forme d'un creux en forme de rainure dans le matériau de la baguette d'étanchéité (1), dont la direction longitudinale s'étend dans la direction longitudinale de la baguette d'étanchéité (1).
  10. Cylindre (8) selon la revendication 9, caractérisé en ce que la baguette d'étanchéité (1) est limitée en longueur par deux extrémités (6.1, 6.2), dans lequel la baguette d'étanchéité (1) présente dans la région de ses deux extrémités (6.1, 6.2) respectivement une paroi (7.1, 7.2) limitant la rigole à lubrifiant (4) selon sa longueur.
  11. Cylindre (8) selon une des revendications 9 ou 10, caractérisé en ce que la conduite d'alimentation (12) comprend un canal d'alimentation central (13) s'étendant à l'intérieur de la baguette d'étanchéité (1) dans le sens de sa longueur ainsi qu'au moins une colonne montante (14) reliant l'une à l'autre la rigole à lubrifiant (4) et le canal d'alimentation central (13).
  12. Cylindre (8) selon la revendication 11, caractérisé en ce que le canal d'alimentation central (13) présente dans le sens de son extension longitudinale une aire de section transversale et/ou une géométrie de section transversale qui varie.
  13. Cylindre (8) selon au moins une des revendications 10 à 12, caractérisé en ce que la rigole à lubrifiant (4) s'étend sur plusieurs mètres et chacune des deux parois (7.1, 7.2) limitant en longueur la rigole à lubrifiant (4) a une longueur de 20 cm ou moins, en particulier de 10 cm ou moins.
  14. Cylindre (8) selon au moins une des revendications 9 à 13, caractérisé en ce que, lors de la rotation de l'enveloppe de cylindre (10), l'enveloppe de cylindre (10) arrive sur la baguette d'étanchéité (1) par le côté frontal avant (24) et la quitte par le côté frontal arrière (15), dans lequel la rigole à lubrifiant (4) est disposée entre le côté frontal avant (24) et la face d'étanchéité (15).
  15. Cylindre (8) selon au moins une des revendications précédentes, caractérisé en ce que la rigole à lubrifiant (4), en la considérant dans un plan de coupe perpendiculaire à l'extension longitudinale de la baguette d'étanchéité (1), comporte un endroit le plus profond à partir duquel une paroi latérale avant s'étend en direction du côté frontal avant (24) et une paroi latérale arrière s'étend en direction de la face d'étanchéité (3), dans lequel l'arête supérieure de la paroi latérale avant jouxte le côté frontal avant (24) et l'arête supérieure de la paroi latérale arrière jouxte la face d'étanchéité (3) et dans lequel, lorsque le dispositif d'étanchéité (9) est monté correctement dans le cylindre (8), une droite reliant l'une à l'autre les deux arêtes supérieures forme avec l'horizontale un angle de 1° à 89°, en particulier un angle compris entre 15° et 80°.
EP13747398.9A 2012-08-15 2013-08-09 Cylindre aspirant destiné à une machine pour la production et/ou la transformation d'une bande de papier, de carton ou de papier ouaté Active EP2885455B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012214531 2012-08-15
PCT/EP2013/066671 WO2014026913A1 (fr) 2012-08-15 2013-08-09 Cylindre aspirant destiné à une machine pour la production et/ou la transformation d'une bande de papier, de carton ou de papier ouaté

Publications (2)

Publication Number Publication Date
EP2885455A1 EP2885455A1 (fr) 2015-06-24
EP2885455B1 true EP2885455B1 (fr) 2016-10-12

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EP13747398.9A Active EP2885455B1 (fr) 2012-08-15 2013-08-09 Cylindre aspirant destiné à une machine pour la production et/ou la transformation d'une bande de papier, de carton ou de papier ouaté

Country Status (5)

Country Link
US (1) US9506191B2 (fr)
EP (1) EP2885455B1 (fr)
CN (1) CN104641038B (fr)
BR (1) BR112015003185B1 (fr)
WO (1) WO2014026913A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018113831A1 (de) * 2018-06-11 2019-12-12 Voith Patent Gmbh Walze für eine Maschine zur Herstellung und/oder Verarbeitung einer Papier-, Karton- oder Tissuebahn

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BR112015003185B1 (pt) 2022-01-11
WO2014026913A1 (fr) 2014-02-20
BR112015003185A2 (pt) 2017-07-04
EP2885455A1 (fr) 2015-06-24
US20160002854A1 (en) 2016-01-07
CN104641038B (zh) 2017-01-18
CN104641038A (zh) 2015-05-20
US9506191B2 (en) 2016-11-29

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