EP2270280B1 - Calandre destinée au traitement d'une bande de matériau - Google Patents

Calandre destinée au traitement d'une bande de matériau Download PDF

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Publication number
EP2270280B1
EP2270280B1 EP09008507A EP09008507A EP2270280B1 EP 2270280 B1 EP2270280 B1 EP 2270280B1 EP 09008507 A EP09008507 A EP 09008507A EP 09008507 A EP09008507 A EP 09008507A EP 2270280 B1 EP2270280 B1 EP 2270280B1
Authority
EP
European Patent Office
Prior art keywords
calender
nip
belt
web
paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09008507A
Other languages
German (de)
English (en)
Other versions
EP2270280A1 (fr
Inventor
Peter Dr. Svenka
Bernhard Dr. Brendel
Eduard Dr. Davydenko
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.)
Andritz Kuesters GmbH
Original Assignee
Andritz Kuesters 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 to EP10007055A priority Critical patent/EP2278067B1/fr
Application filed by Andritz Kuesters GmbH filed Critical Andritz Kuesters GmbH
Priority to AT10007055T priority patent/ATE534767T1/de
Priority to EP09008507A priority patent/EP2270280B1/fr
Priority to PCT/EP2010/003899 priority patent/WO2011000529A1/fr
Priority to US13/380,011 priority patent/US8545677B2/en
Priority to CA2765126A priority patent/CA2765126A1/fr
Priority to JP2012516582A priority patent/JP2012531528A/ja
Priority to CN2010800020927A priority patent/CN102099527B/zh
Priority to CN2011101078809A priority patent/CN102199894B/zh
Publication of EP2270280A1 publication Critical patent/EP2270280A1/fr
Application granted granted Critical
Publication of EP2270280B1 publication Critical patent/EP2270280B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/006—Calenders; Smoothing apparatus with extended nips
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/0066—Calenders; Smoothing apparatus using a special calendering belt

Definitions

  • the invention relates to a calender for smoothing a paper or board web according to the preamble of claim 1.
  • a device for drying a fibrous web which can be used simultaneously for calendering.
  • a metal belt calender with an extended nip is provided.
  • a surface pressure of about 0.01 MPa is maintained.
  • Both the roller and the metal belt can be heated so that both sides of a web can be smoothed.
  • the use of the metal strip allows the application of elevated temperatures of more than 100 ° C and even high up to about 400 ° C. This elevated temperature, along with a long application time and a wide pressure control range, gives a good calendering result. Because of the metal band, however, the effects correspond to those of a Hartnipkalanders, ie, the track tends to Mottling. The use of high temperatures is again cost and energy consuming.
  • a calender and a method for calendering are known in which two wide nips formed with circumferential bands are interrupted by at least one shorter nip.
  • the shorter nip is pressurized usually higher applied.
  • the first wide nip is used in the Essentially the heat supply.
  • the short press nip causes a smoothing pulse on the web.
  • the second wide nip serves to even out the smoothness effect while simultaneously cooling the web.
  • Preference is given to a metal strip, which should be advantageous for the entry of heat because of the high thermal conductivity.
  • the application of high temperatures of up to 300 ° C is provided, and this applies in particular to the first wide nip.
  • the disadvantages of high temperatures already described must therefore also be accepted here.
  • This document shows the features of the preamble of present claim 1.
  • Object of the present invention is to provide a calender that smoothes a paper or board web volume-saving and thereby can be operated cost and energy saving.
  • a calender in which the paper or board web before entering the nip passes through a pre-treatment line for generating an optimum temperature profile when smoothing in the nip.
  • the roll surface temperature of the heated rolls needs to be selected only slightly higher than the plasticizing temperature of the respective paper or board web at a selectable moisture content. For example, it is possible to smooth out with a roller surface temperature which is only about 10 to 30 ° C. higher. Increasing the smoothness effect on soft calenders, multinip calenders and calenders with extended nips is possible.
  • the extended residence time in conjunction with the elastic surface of the circulating belt significantly improves the heating of the paper or board web. It ensures a good heat transfer, since the paper or board web is pressed evenly to the heatable roller, so that, for example, air cushion, which could hinder the heat transfer, are largely avoided.
  • the advantages of the proposed calender thus arise from the extended dwell for heating the web in conjunction with the Forming the circulating belt, which forms a contact surface of the treatment gap.
  • the contact pressure is adjusted by the tension of the belt.
  • This tangential tension of the belt loads the belt, which usually consists of a plastic, a rubber, a plastic-coated carrier material or a rubber-coated carrier material, far less than a radial tension.
  • the belt usually consists of a plastic, a rubber, a plastic-coated carrier material or a rubber-coated carrier material, far less than a radial tension.
  • the plastic tends to delaminate a layer composite.
  • the thermal stress of the belt is low, so that the belt has a long life.
  • a volume-smoothing smoothing is thus achieved with a nip upstream treatment gap whose belt has an elastic or soft surface on the paper or board web side facing, said treatment gap in the manner of a broad nip in contrast to the known broad nips in the low temperature range of, for example 80 ° C to 160 ° C is operated.
  • the resulting energy savings result from reduced heat radiation and reduced forced convection.
  • the nip which adjoins the wide nip for pre-smoothing can then be operated with high compressive stresses, since the lack of penetration of (excess) heat into the paper or board web at low temperatures precludes the effect of smoothing on lower areas of the paper or board web. These remain elastic. The greatest possible volume protection is given. The efficiency of heat transfer is increased because the amount of heat lost is reduced.
  • the heat loss is significantly reduced, in particular, when the circulating belt has a closed surface cover on the side facing the paper or board web.
  • the thermally sealing and shielding effect of the circulating belt on the paper or board web in the treatment nip is increased.
  • a further increase can be achieved by the material of the elastic surface, which can act as a thermal insulator.
  • this material preferably has a low thermal conductivity.
  • a residence time in the treatment gap required for achieving the desired penetration depth of the heat can be optimized by adjusting the contact pressure of the strip to the circumference of the heatable roll by means of guide rolls.
  • the counter-element forming the nip is preferably arranged directly behind the treatment gap on the heatable roller. Preference is given to the use of a bending adjustment roller for simultaneous control of the property profiles of the web in the transverse direction.
  • the counter-element may be a soft roller or a hard heatable roller if bilateral smoothing is desired.
  • the line load can be adapted to the respective objective.
  • the calender may have one or more nips, wherein with several nips the treatment gap is preferably arranged upstream of the first nip.
  • a controlled increase in pressure in the treatment gap can be adjusted by guide rollers for the circulating belt additionally work as pressure rollers.
  • the invention relates to a calender 1 for smoothing a paper or board web 2 with at least one nip 3, which is formed between a heatable roller 4 and a counter element 5.
  • the counter element 5 is preferably a roller, in particular a bending adjustment roller, for the simultaneous regulation of the property profiles of the web 2 in the transverse direction.
  • the counter element 5 is preferably a soft roller.
  • the counter element 5 is formed as a hard roller, which is then preferably heated in order to smooth the paper or board web 2 on both sides.
  • the nip length of the nip 3 is preferably in the range of 1 to 40 mm, depending on the nature of the counter element 5, for example hard roller, soft roller or shoe roller.
  • the roller 4 as well as the counter element 5 can each be driven, in particular for the online operation of the calender.
  • the heatable roll 4 is heated, for example, to roll surface temperatures of 80 ° C to 160 ° C depending on the plasticizing temperature of the respective paper or board web 2 and their moisture content.
  • the calender 1 comprises a device 6 for generating a predetermined pressure in the nip 3.
  • the device 6 for generating a predetermined pressure is here for example a loading cylinder.
  • the counter element 5 may be formed with an inner stroke, whereby a pressure load in the nip 3 is adjustable.
  • the nip 3 is in the web running direction L, a web treatment device 7 with two treatment gap 8 forming contact surfaces 9, 10 upstream.
  • the contact surface 9 is a circumferential contact surface, which is formed by a belt 14 circulating on guide rollers 11, 12, 13.
  • the other contact surface 10 is formed by the circumferential outer wall of the heatable roller 4.
  • the treatment gap 8 extends along a degree 15 of the wrapping of the heatable roller 4.
  • the degree 15 of the wrap for varying the length of the treatment gap 8 is adjustable depending on a desired penetration depth of the heat into the paper or board web 2.
  • the circulating belt 14 presses with an elastic surface to increase the thermal efficiency of heat transfer the paper or board web 2 to the heatable roller 4.
  • the guide rollers 11, 12, 13 control Trum estimate the circulating belt 14 in the treatment gap. 8
  • the contact pressure in the treatment gap 8 is due to the tension of the belt 14th set.
  • the maximum tensile stress of the belt 14 is limited to preferably 200 kN / m.
  • the compressive stress which can be achieved in the pretreatment zone of the treatment gap 8 can, for example, assume a value in the range from 0.01 MPa to 0.5 MPa. This depends on the belt tension and the dimensions of the heatable roller 4.
  • the web 2 Before entering the treatment gap 8, the web 2 can wrap around the heatable roller 4 along a partial section.
  • the surface temperature of the heatable roller 4 is preferably controlled so that within the residence time of the web 2 below the belt 14, the glass transition temperature is achieved in an optimum for the respective objective of the smoothing process penetration depth. For volume-saving smoothing such warming is required only to a depth of about 10 microns.
  • the surface temperature and the length of the pretreatment path of the treatment nip 8 are optimized to allow operation at a temperature that does not significantly exceed the glass transition temperature of the surface area of the web 2 to be plasticized.
  • the thus pretreated web 2, which can be moistened before the calender 1 beforehand with nozzle and / or steam humidifier, is smoothed directly behind the pretreatment section in the nip 3, in particular a soft or hard nip.
  • the counter element 5 is a roller, its diameter is preferably less than or equal to 90% of the diameter of the heatable roller 4. In this way, the distance between the end of the treatment gap 8 and the inlet into the nip 3 should be kept as small as possible.
  • the circumferential band 14 has an elastic surface for securing a uniform contact pressure, which is adjustable by the tension of the belt 14.
  • the circulating belt 14 on the paper or board web 2 side facing an elastic surface having a closed surface cover.
  • the heat transfer from the heated roll 4 to the paper or board web 2 is thermally shielded from the environment in the treatment nip 8 by the circulating belt formed in this way.
  • the introduction of heat into the paper or board web 2 is improved because heat dissipation to the environment is reduced. If the elastic surface is a thermal insulator, the introduction of the heat into the paper or board web 2 is further improved.
  • the elastic surface of the circulating belt 14 therefore preferably consists of a material with a thermal conductivity of less than or equal to 10 W / mK, in particular less than or equal to 5 W / mK, very preferably less than or equal to 1 W / mK.
  • the band 14 is preferably made of a material having a thermal conductivity less than or equal to 1 W / mK.
  • the hardness of the elastic surface is preferably in the range of 50 Shore A to 92 Shore D.
  • the band 14 is preferably made of a flat substrate provided with one or more elastic layers. Such a plastic composite material has a high tensile strength. To increase the mechanical strength of the band, a support fabric or support band can be incorporated.
  • the circulating belt 14 may further consist of a substrate provided with an elastic layer, wherein the carrier material may also consist of a metal.
  • the hardness of the metal can provide for a sufficiently thin elastic layer for a smoothing of the circumferential band 14 facing side of the paper or board web 2.
  • the roughness of the elastic surface of the band 14 is preferably in the range of 0.5 to 5 microns.
  • the then given smoothness of the elastic surface of the belt 14 may be reflected as smoothness on the paper or board web 2.
  • the tape 14 has, for example, a heat-resistant surface coating, for example made of silicone. The heat-resistant coating provides high wear resistance and a smooth surface.
  • the pretreatment path of the treatment gap 8 also serves, in particular, for pre-smoothing the web 2.
  • the circulating belt 14 further preferably has only a small elongation which is less than or equal to 7%. The strain occurring when adjusting the belt tension in the belt 14 due to tension in the belt 14 then does not disturb the smoothing.
  • the band 14 has at least the same width as the web 2. The thickness of the band 14 depends on its width and length and may be between 4 and 20 mm.
  • At least one of the guide rollers 12 has a device 16 for selectively tensioning the belt 14.
  • the guide roller 12 for tensioning the belt 14 is in each case displaceably or pivotably mounted on the end by means of a guide 18.
  • Fig. 2 shows as a guide 18 a lever system. On the lever system acts a drive element 20, which is associated with a not shown path measuring device.
  • At least one of the guide rollers 11, 13 may be formed as a pressure roller, which presses the web 14 in the treatment gap 8 along a portion in the direction L by additional radial pressure load.
  • a guide roller 11, 13 is preferably formed on the inlet and / or outlet side of the treatment gap 8 as a pressure roller.
  • the radial pressure load can be set lower on the inlet side than the outlet side or vice versa.
  • Such a pressure roller may be a Biegeeinstellwalze.
  • Fig. 1 and Fig. 2 show a calender 1, in which the band 14, the heatable hard roll 4 wraps more than 180 °.
  • the degree 15 of the wrap is at values between 90 ° and 270 °, with the values greater than or equal to 120 ° being particularly preferred.
  • the circulating, endless belt 14, which is also referred to as belt, is guided by three guide rollers 11, 12, 13 in a loop around the heatable roller 4.
  • the belt 14 is tensioned here by the guide roller 12.
  • the contact pressure of the belt 14 is determined to the web 2.
  • a higher tension of the belt 14 also results in a higher contact pressure of the web 2 and favors the leveling of the web surface, ie the pre-smoothing.
  • the path 2 conditioned in the treatment gap 8 is then finally finished in a nip 3 immediately following and formed with the same heatable roller 4.
  • the line load in nip 3 can be adapted to the smoothness effects to be achieved.
  • Medium compressive stresses with paper or cardboard in the nip 3 of 2 N / mm 2 to 55 N / mm 2 are adjustable.
  • the compressive stresses in the lower area of said area are used for thickness correction in cardboard.
  • the compressive stresses in the upper area of said range allow the smoothing of high-quality papers, such as SC, LWC and MWC papers or wood-free coated papers.
  • the temperature of the heated roller 4 and the length of the treatment section formed under the belt 14 are adjusted so that substantially only the near-surface region of the web 2 is heated, a conditioning section is formed, in which the interior of the web 2 below the plastification or Glass transition temperature remains. As a result, a volume-smoothing smoothing is possible.
  • the thickness of the near-surface layer of the web 2, which is brought above the plasticizing temperature is several times the largest unevenness of the paper or board web surface. The thickness of the layer to be heated is thus dependent on the roughness of the web 2 to be treated.
  • the length of the treatment gap 8 and the speed of the web 2 in the direction L determine the residence time of the web 2 in the treatment gap 8 and thus also the penetration depth of the heat into the web 2 and the layer thickness which is heated to a deformation temperature.
  • the ambient air entrained with the web 2 in the boundary layer deteriorates the heat transfer from the heated roller 4 to the web 2.
  • a substantial improvement of the heat transfer is achieved by removal of the boundary layer. This can be done, for example, by a contact path for an adhesive contact between the outer wall of the heatable roller 4 and the surface of the paper or board web 2 upstream of the web treatment device 7. Also suitable is the pressing of a guide roller 11 against the heated roller 4. By these measures, the interfering boundary layer displaced against the direction of the web 2 and the heat transfer in the treatment gap 8 can be further increased.
  • Fig. 3 shows a calender arrangement with two in the direction of the web 2 successively arranged calenders 1. This is a two-sided smoothing of the web 2 possible.
  • first the lower web side in the first calender 1 is smoothed and then the upper web side in the second calender 1.
  • the temperatures of the two heatable rollers 4 and the line loads in the two calenders 1 are independently adjustable.
  • the two-sidedness of the web 2 with respect to the smoothness result can be minimized or, if desired, a targeted two-sidedness can also be set.
  • first the upper side of the track can be smoothed.
  • the calenders 1 can be operated online or offline.
  • the rollers 4 drives can be provided.
  • the calender 1 makes it possible to impart a high degree of smoothness to the surface of the web 2, wherein the circulating belt 14 is subjected to low mechanical and thermal stress.
  • Fig. 4 shows a multi-pin calender for smoothing high quality papers.
  • the treatment gap 8 is then preferably provided in front of the first nip.
  • the Umschlingungsgrad 15 and the applied contact pressure is variable here as well.
  • the applied contact pressure is determined by the belt tension with the help of at least one adjustable guide roller 12.
  • the web 2 can be applied to the outer surface of the heatable roller 4 before the treatment gap 8.
  • Fig. 5 shows a multinip calender for smoothing high quality papers with two roller stacks, as in Fig. 4 shown.
  • the second stack preferably serves for smoothing a second paper web side.
  • the end roller 4, on which the treatment gap 8 is formed, is now the lower end roller.
  • the two-sided guides a control roller via a transversely to the direction of the belt provided sensor means controlled to each other can be aligned.
  • the sensor device detects the position of the belt 14 toward the center of the heatable roller 4.

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  • Paper (AREA)
  • Advancing Webs (AREA)

Claims (15)

  1. Calandre (1) pour le glaçage d'une bande (2) de papier ou de carton, avec au moins une ligne de contact (3) formée entre un rouleau chauffant (4) et un rouleau de contrepression (5), une installation (6) pour l'obtention d'une pression pré-déterminée dans ladite ligne de contact (3), et une installation de traitement de bande (7) en amont de ladite ligne de contact (3) avec deux surfaces de contact (9, 10), formant ensemble un intervalle de traitement (8), dont l'une est une surface de contact sans fin (9), qui est formée par une bande enveloppante (14) des rouleaux-guides (11, 12, 13), et l'autre surface (10) étant formée par la paroi externe dudit rouleau chauffant (4), et où ledit intervalle de traitement (8) s'étend le long d'un secteur (15) de la périphérie dudit rouleau chauffant (4), pour l'obtention d'un profil de température adapté au glaçage au niveau de ladite ligne de contact (3), caractérisée en ce que, pour l'augmentation du degré d'effet thermique du transfert de chaleur, ladite bande enveloppante (14) presse, avec une surface élastique, ladite bande (2) de papier ou de carton sur ledit rouleau chauffant (4), et en ce que lesdits rouleaux-guides (11, 12, 13) pilotent les forces de traction de ladite bande enveloppante (14) dans ledit intervalle de traitement (8).
  2. Calandre (1) selon la revendication 1, caractérisée en ce que ladite bande enveloppante (14) comporte, sur son côté tourné vers ladite bande (2) de papier ou de carton, une surface élastique, qui possède une enveloppe de surface fermée.
  3. Calandre (1) selon la revendication 1 ou 2, caractérisée en ce que ladite bande enveloppante (14) comporte, sur son côté tourné vers ladite bande (2) de papier ou de carton, une surface élastique, qui forme un isolateur thermique délimitant ledit intervalle de traitement (8).
  4. Calandre (1) selon l'une des revendications 1 à 3, caractérisée en ce que ladite surface élastique est constituée d'un matériau avec un coefficient de conductivité thermique inférieur ou égal à 10 W/mK.
  5. Calandre (1) selon la revendication 4, caractérisée en ce que ladite surface élastique est constituée d'un matériau avec un coefficient de conductivité thermique inférieur ou égal à 1 W/mK.
  6. Calandre (1) selon l'une des revendications 1 à 5, caractérisée en ce que ledit secteur (15) d'enroulement pour le réglage de la longueur dudit intervalle de traitement (8) est réglable en fonction de la profondeur de pénétration de la chaleur dans ladite bande (2) de papier ou de carton.
  7. Calandre (1) selon l'une des revendications 1 à 6, caractérisée en ce que ledit rouleau de contrepression (5) est un rouleau souple, dont le diamètre est inférieur ou égal à 90 % du diamètre dudit rouleau chauffant (4).
  8. Calandre (1) selon l'une des revendications 1 à 7, caractérisée en ce que ladite bande enveloppante (14) a une surface élastique faite d'une matière plastique de dureté comprise entre 50 Shore A et 92 Shore D.
  9. Calandre (1) selon l'une des revendications 1 à 8, caractérisée en ce que au moins un desdits rouleaux-guides (11, 12, 13) comporte un dispositif (16) pour ajuster à la demande la tension de ladite bande enveloppante (14).
  10. Calandre (1) selon la revendication 9, caractérisée en ce que ledit rouleau-guide (12) est pivoté à chaque extrémité au moyen d'un guidage (18) mobile en translation ou en inclinaison pour la tension de ladite bande enveloppante (14).
  11. Calandre (1) selon la revendication 10, caractérisée en ce que lesdits guidages (18) sont réglables, pour assurer un défilement rectiligne de ladite bande enveloppante (14), l'un sur l'autre par un dispositif capteur prévu perpendiculaire à la direction de défilement de ladite bande enveloppante (14).
  12. Calandre (1) selon l'une des revendications 1 à 11, caractérisée en ce qu'au moins un desdits rouleaux-guides (11, 13) est agencé en tant que rouleau presseur, qui presse ladite bande dans ledit intervalle de traitement (8) le long d'une section dans la direction de circulation, par l'exercice d'une pression radiale additionnelle.
  13. Calandre (1) selon l'une des revendications 1 à 12, caractérisée en ce qu'un trajet de contact placé à l'avant du côté amont est prévu pour un contact collant entre la paroi extérieure dudit rouleau chauffant (4) et la surface de ladite bande (2) de papier ou de carton de ladite installation de traitement de bande (7).
  14. Calandre (1) selon l'une des revendications 1 à 13, caractérisée en ce que ladite calandre (1) est une calandre à plusieurs lignes de contact, qui prévoit ledit intervalle de traitement (8) devant ladite première ligne de contact (3).
  15. Calandre (1) selon l'une des revendications 1 à 14, caractérisée en ce que ladite ligne de contact (3) est une ligne souple ou une ligne dure, qui comporte une longueur de ligne de l'ordre de 1 à 40 mm.
EP09008507A 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau Not-in-force EP2270280B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT10007055T ATE534767T1 (de) 2009-06-30 2009-06-30 Kalander zur behandlung einer warenbahn
EP09008507A EP2270280B1 (fr) 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau
EP10007055A EP2278067B1 (fr) 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau
US13/380,011 US8545677B2 (en) 2009-06-30 2010-06-25 Calender for treating a product web
PCT/EP2010/003899 WO2011000529A1 (fr) 2009-06-30 2010-06-25 Calandre servant au traitement d’un produit en bande
CA2765126A CA2765126A1 (fr) 2009-06-30 2010-06-25 Calandre servant au traitement d'un produit en bande
JP2012516582A JP2012531528A (ja) 2009-06-30 2010-06-25 製品ウェブを処理する光沢機
CN2010800020927A CN102099527B (zh) 2009-06-30 2010-06-25 用于处理产品幅的砑光机
CN2011101078809A CN102199894B (zh) 2009-06-30 2010-06-25 用于处理产品幅的砑光机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09008507A EP2270280B1 (fr) 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP10007055.6 Division-Into 2010-07-08

Publications (2)

Publication Number Publication Date
EP2270280A1 EP2270280A1 (fr) 2011-01-05
EP2270280B1 true EP2270280B1 (fr) 2013-03-20

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP10007055A Not-in-force EP2278067B1 (fr) 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau
EP09008507A Not-in-force EP2270280B1 (fr) 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau

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EP10007055A Not-in-force EP2278067B1 (fr) 2009-06-30 2009-06-30 Calandre destinée au traitement d'une bande de matériau

Country Status (7)

Country Link
US (1) US8545677B2 (fr)
EP (2) EP2278067B1 (fr)
JP (1) JP2012531528A (fr)
CN (2) CN102199894B (fr)
AT (1) ATE534767T1 (fr)
CA (1) CA2765126A1 (fr)
WO (1) WO2011000529A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102011004730A1 (de) 2011-02-25 2012-08-30 Voith Patent Gmbh Kalander
CN102182037B (zh) * 2011-05-07 2013-03-27 江苏国光重型机械有限公司 宽压区带式压光机
EP2584093A1 (fr) 2011-10-20 2013-04-24 Metso Paper Inc. Système relatif à une chaîne de production d'une bande de fibres
DE102011085101A1 (de) 2011-10-24 2013-04-25 Voith Patent Gmbh Bahnbehandlungsvorrichtung
DE102015200380A1 (de) * 2015-01-14 2016-07-14 Voith Patent Gmbh Band für eine Glättvorrichtung, Glättvorrichtung und Verfahren zur Glättung
CN116534630B (zh) * 2023-07-07 2023-09-08 新乡市腾飞纸业有限公司 一种纸张收卷装置

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EP1470290B1 (fr) * 2002-01-29 2009-01-21 Metso Paper, Inc. Dispositif de traitement pour traiter une bande fibreuse couchee ou non couchee
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FI20055399A0 (fi) * 2005-07-08 2005-07-08 Metso Paper Inc Järjestely ja menetelmä päättymättömän hihnan tai vastaavan vaihtamiseksi paperi-/kartonkikoneessa tai jälkikäsittelykoneessa
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ATE534767T1 (de) 2011-12-15
WO2011000529A1 (fr) 2011-01-06
JP2012531528A (ja) 2012-12-10
EP2270280A1 (fr) 2011-01-05
US8545677B2 (en) 2013-10-01
WO2011000529A8 (fr) 2011-04-21
EP2278067A1 (fr) 2011-01-26
US20120090801A1 (en) 2012-04-19
CN102099527B (zh) 2012-11-07
CN102199894B (zh) 2013-09-04
CN102099527A (zh) 2011-06-15
CA2765126A1 (fr) 2011-01-06
CN102199894A (zh) 2011-09-28
EP2278067B1 (fr) 2011-11-23

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