EP2157239A1 - Dispositif de production de bandes de matière fibreuse de papier, de carton ou autres revêtues dotées au moins d'une couche thermosensible et procédé de fonctionnement d'un tel dispositif - Google Patents

Dispositif de production de bandes de matière fibreuse de papier, de carton ou autres revêtues dotées au moins d'une couche thermosensible et procédé de fonctionnement d'un tel dispositif Download PDF

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Publication number
EP2157239A1
EP2157239A1 EP09168040A EP09168040A EP2157239A1 EP 2157239 A1 EP2157239 A1 EP 2157239A1 EP 09168040 A EP09168040 A EP 09168040A EP 09168040 A EP09168040 A EP 09168040A EP 2157239 A1 EP2157239 A1 EP 2157239A1
Authority
EP
European Patent Office
Prior art keywords
web
functional layer
coating
forming
application
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.)
Granted
Application number
EP09168040A
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German (de)
English (en)
Other versions
EP2157239B1 (fr
Inventor
Michael Dr. Trefz
Thomas Kuchinke
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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Filing date
Publication date
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Publication of EP2157239A1 publication Critical patent/EP2157239A1/fr
Application granted granted Critical
Publication of EP2157239B1 publication Critical patent/EP2157239B1/fr
Not-in-force legal-status Critical Current
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/005—Curtain coaters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
    • D21H23/48—Curtain coaters

Definitions

  • the invention relates to a device for producing coated paper, cardboard or other fibrous webs with at least one thermosensitive layer as a functional layer by applying at least one liquid or pasty thermosensitive coating medium on a carrier web by means of a function layer forming unit comprising at least one applicator and one of these downstream drying section.
  • the invention further relates to a method for operating a device for producing coated paper, cardboard or other fibrous webs with at least one thermosensitive layer.
  • the invention is suitable in addition to said paper, cardboard or other fibrous webs for other than recording medium suitable webs, such as films or textile substrates, which should have a thermosensitive layer on one or both sides.
  • thermosensitive layer is understood to mean a coating layer which is suitable for imaging visually detectable information by discoloration on exposure to heat, in particular contact with a heatable writing head. This comprises at least a color former, a color developer and a binder.
  • the invention is therefore based on the object, a device for the production of coated paper, cardboard or other fibrous webs, in particular in the form of thermal paper to develop such that the disadvantages of the prior art are avoided.
  • the device should be characterized by a structurally simple structure with a low number of components and be suitable for a carrier web both one-sided multiple, in particular to coat twice or provided on both sides with at least one coating.
  • a change to the different types of coated paper, cardboard or other fibrous webs should be possible with little control engineering effort and free of retooling promptly on request.
  • a device for producing coated paper, cardboard or other fibrous webs with at least one thermosensitive layer as a functional layer is characterized in that it comprises only two successive switchable, each forming at least one functional layer units, wherein in the connecting region between the two functional layer-forming units a web turning device to form a first Bru Replacementsweges and means for bypassing the web turning device to form a second Bru Replacementsweges for the carrier web between the two functional layers forming units are provided.
  • the inventive device is characterized by the provision of only two functional layers forming units, which are suitable by the intelligent arrangement and control of their operations to produce a variety of different types of coated paper, cardboard or other fibrous webs with little effort, free of a conversion of Contraption. There is thus the possibility of a timely change with optimum utilization of the individual components of the individual functional layers forming units.
  • the means for bypassing the web turning device comprise in the simplest case guide and / or guide elements for the guidance of the carrier web, which are arranged and designed to be suitable, a branch in the Web guide behind the first functional layer-forming unit to form a bypass to the web turning device and to bring together the two web guide paths in front of the second functional layer-forming unit. Due to the formation of two parallel guide paths, the connection area can be made relatively short and compact, which has a favorable overall effect on the required space requirement of the device.
  • the application device and the drying section in a functional layer-forming unit are designed and arranged so that the carrier web within the functional layer-forming unit is considered free from a change of direction in the longitudinal direction of the device or is guided free of a reversal of the chosen direction of curvature, it being ensured that the coated surface is subjected to a secondary drying.
  • the arrangement and alignment of the components of the functional layer-forming units to each other there are basically two options. According to a first embodiment, these are preferably in a common horizontal plane, i. arranged offset from each other in the vertical direction. According to a second embodiment, the arrangement with offset in the vertical direction to each other.
  • the first embodiment forms a very compact unit in terms of extent in the height direction, while the second embodiment allows adaptation to space conditions or the trajectory.
  • the arrangement of the individual functional layers forming units can be done in various ways.
  • the two functional layers forming units are arranged in such a way and viewed in the longitudinal direction of the device, that when guiding the carrier web in the connecting region between the two functional layers forming units on the second Bru adjustmentsweg the guiding direction of the carrier web in the longitudinal direction of the device free from a change of direction is.
  • the two functional layer-forming units are preferably arranged in a horizontal plane.
  • the arrangement of the functional layer-forming units viewed in the direction of travel of the carrier web takes place behind one another such that when guiding the carrier web in the connection region between the two functional layers forming units on the second Bru adjustmentsweg the guiding direction of the carrier web of the device by at least one direction change in the longitudinal direction of the device is characterized.
  • the intended direction change allows an arrangement in vertically offset planes, wherein the offset in the longitudinal direction between the two functional layer-forming units can be minimized.
  • the second embodiment is characterized by a high degree of compactness in the longitudinal direction while optimally utilizing space in the vertical direction.
  • the arrangement of the unit forming the second functional layer spatially in the longitudinal direction of the device takes place completely in the region of the extension of the first functional layer-forming unit.
  • the two web guiding paths of the connecting region can be arranged downstream of the device of a unit forming the functional layer, wherein the two web guiding paths of the connecting region can be aligned in the horizontal direction or else in the vertical direction.
  • the concrete execution takes place depending on the available installation space.
  • the application device of the individual functional layer-forming unit comprises a multi-layer curtain applicator, which allows an application of application medium in the form of a free one-layer or multi-layer curtain produced at a trailing edge.
  • the curtain applicator unit comprises at least one applicator nozzle extending in the width direction of the carrier web, which has at least over a job media feeder is connected to a job media delivery system.
  • the nozzle can be formed in a known manner as a slot die or slide die.
  • At least two application media supply systems can be provided for fast switching between different types of coating, which can be accessed alternately depending on the requirements of the application medium, for example by selectively coupling the application media supply with different application media delivery systems.
  • the single drying section of a functional layer-forming unit comprises at least one drying device.
  • This can be in the form of a contactless drying, in particular hot air drying device, which is gas or steam heated is formed. Other drying systems, such as infrared drying are conceivable.
  • the drying section is designed as a function of the dry content of the layer applied with the upstream application device.
  • the drying section is preferably straight, but may also be characterized by a curved or other course.
  • the carrier web is usually unrolled from a fibrous web roll and pulled through the device by means of appropriate pulling devices. Subsequent to the second functional layer-forming unit, the winding of the coated fibrous web takes place by means of a take-up device.
  • thermosensitive layers can be applied as functional layers in addition to thermosensitive layers and other layers, such as cover layers in the form of protective layers.
  • the latter are characterized by a lower basis weight in the range of 1 to 6 g / m 2 than the thermosensitive layers, whose basis weight is preferably selected in the range of 2 to 7 g / m 2 .
  • the inventive method for operating a device for producing coated paper, cardboard or other fibrous webs with at least one thermosensitive layer as a functional layer by applying liquid or pasty thermosensitive coating media on a carrier web is characterized in that it is operable in different modes, said in a first mode of operation, only one of the functional layer-forming units is activated, in a second mode of operation, the carrier web between two functional layer-forming units is guided over the first Bru Replacementsweg and in a third mode, the carrier web between two functional layer-forming units is guided over the second Bru exitsweg.
  • the web turning device a change in orientation of the top and bottom of the carrier web between the two functional layers forming units such that in the second functional layer forming unit either the same side as in the first functional layer-forming unit or the opposite side is coated.
  • the solution according to the invention is particularly suitable for the production of thermal paper. However, it can also be used for other web-form materials suitable as recording media, such as films or textile materials.
  • FIGS. 1a to 1c show schematically greatly simplified in each case a cross section through a coated fibrous web 10, in particular in the form of thermal paper and possible basic versions of these, as they can be provided with the device 1 according to the invention.
  • the fibrous web 10 or F is a carrier web T, which is preferably in the form of a paper web and which is characterized by a functional layer on at least one surface, ie upper side 2 and / or lower side 3.
  • a layer is understood to be a medium applied uniformly over the entire surface of the fibrous web F and forming a unit by drying or other processes with the fibrous web F.
  • the fibrous web 10 is characterized in an XYZ coordinate system by an extent in the longitudinal and width directions, which correspond to the X and Y directions and by a height Z.
  • the cross section illustrates the representation in the YZ plane.
  • FIG. 1a illustrates an embodiment of the coated fibrous web 10 in the form of a one-sided simply coated thermal paper. Recognizable here the functional layer in the form of the thermosensitive layer 4 on the upper side 2 of the fibrous web F acting as the carrier web T.
  • thermosensitive layer 4 there are a number of possibilities. This includes at least a color former and a color developer. These disperse in a binder that does not or only insubstantially melts during heat development.
  • FIG. 1b illustrated by a cross-section according to FIG. 1a a further embodiment of the coated fibrous web 10, in which in addition to the thermosensitive layer 4, a further protective layer in the form of a cover layer 5 is applied to this. This is usually a transparent layer.
  • a coated fibrous web 10 in the form of thermal paper is also referred to as single-sided double-coated thermal paper.
  • thermosensitive layer 4 6
  • Figure 1c illustrates the Figure 1c by way of example with reference to a cross-section of a thermal paper coated on both sides as a coated fibrous web 10, which is characterized on the upper side 2 and the lower side 3 by a functional layer in the form of a thermosensitive layer 4, 6.
  • the individual thermosensitive layers 4 and 6 completely cover the surfaces formed on the upper and lower sides 2, 3.
  • corresponding devices 1 for coating or finishing surfaces according to the invention can be produced simply and inexpensively in different types of coated paper, board or other fibrous webs 10, in particular in the form of thermal papers FIGS. 2 to 4 used. These serve to apply at least one thermosensitive layer 4, 6 to one side of a carrier web T.
  • FIG. 2 illustrates in a schematic simplified representation based on a view from the right of the basic structure of an inventive device 1 for producing coated paper, cardboard or other fibrous webs 10 with at least one functional layer in the form of a thermosensitive layer 4, or 6, which is constructed and arranged in that it is also suitable for producing a plurality of layers, in particular a double layer, on a surface of a carrier web T or fibrous web F or to produce a double-sided coated fibrous web 10.
  • the device 1 is assigned a coordinate system.
  • the X-direction describes the longitudinal direction of the device 1, in which the carrier web is moved through this and which is also referred to as the machine direction.
  • the Y direction describes the width direction and the Z direction the height direction.
  • the apparatus 1 comprises for producing the different types of coated paper, cardboard or other fibrous webs 10 according to one of FIGS. 1a to 1c a total of only two functional layers forming units 7 and 8, which are connected in the direction of passage of the carrier web to be coated T in the form of the fibrous web F and between a unwinding device 9 for unwinding the carrier web T of a fibrous web roll and a winding device 12 for winding the then coated fibrous web 10th are arranged.
  • Each of the individual functional layers forming units 7, 8 comprises at least one applicator A1, A2, which is formed in the form of a so-called multi-layer curtain applicator CC1, CC2 with at least two applicator nozzles.
  • Each applicator A1, A2 is arranged downstream of a drying line TS1 and TS2.
  • Application device A1, A2 and drying section TS1, TS2 of each functional layer forming unit 7, 8 and the associated means for guiding the carrier web T usually guide and guide rollers are arranged such that applicator A1 and drying line TS1 or A2 and TS2 successively the same side of the carrier web T, in particular fibrous web F become effective.
  • the guidance of the carrier web within the functional layer-forming devices 7, 8 takes place freely from a change in direction in the machine direction considered or free from a reversal of the direction of the curve.
  • a web turning device 14 is provided between the two functional layers forming units 7 and 8, a web turning device 14 is provided.
  • means 15 for bypassing the web turning device 14 are provided, which are designed in the form of a so-called bypass. This is realized in that between the two functional layers forming units 7 and 8 in the web guide a branch 11 is provided, which is a continuation between the two functional layers forming units 7 and 8 in a first Bru adjustmentsweg I via the web turning device 14 or a second Bru adjustmentsweg II in direct connection to the subsequent functional layer-forming unit 8 allows.
  • a pulling device Z1 and Z2 is preferably also provided. This allows a movement of the carrier web T to be coated fibrous web F through the device 1 therethrough.
  • both functional layer-forming units 7 and 8 are arranged one after the other in the horizontal direction in the longitudinal direction of the device 1, wherein the arrangement in the illustrated case preferably takes place in a horizontal plane which is defined by an extension in X and Y.
  • Direction can be characterized.
  • the in the FIG. 2 illustrated embodiment is characterized by a uniform directional course for the transport direction of the fibrous web F to be coated by the two functional layers forming units 7, 8 of the device 1.
  • the fibrous web F to be coated does not undergo any transport direction reversal between the unwinding device 9 and the winding device 12, even after passing through the web turning device 14.
  • the application device A1, A2 is designed as a multi-layer curtain applicator for dispensing at least two coating layers.
  • Such commissioned works are already known in different versions. These comprise at least two applicator nozzles extending over the machine width, that is to say in the Y direction.
  • These curtain coater can be formed both in the form of a slot nozzle, which can also be configured as a Twindüse or Tandemdüse, as well as in the form of a Gleit harshdüse, comprising at least two extending over the machine width exit column, which are each coupled to a vertically inclined supply channels, formed ,
  • the application medium falls on a trailing edge in free fall to form a curtain on an underlying moving carrier web T or the fibrous web F.
  • the order can be done directly through the nozzle in free fall on the corresponding surface of the moving fibrous web F or but almost indirectly via a sliding plate arranged therebetween, where the application medium is applied via the nozzle and which also forms a trailing edge in the flow direction of the application medium for producing a curtain of application medium.
  • the tear-off edge is formed at its outlet opening. Under the trailing edge is always understood the line at which the application medium passes into free fall.
  • Each curtain applicator unit further comprises at least one application media feed, which is indicated by an arrow and via which the application nozzle is supplied with application medium from an application media supply system 16, 17.
  • the curtain applicator CC2 can be connected to its application nozzle of the second functional layer-forming unit 8 with at least two application media supply systems 17 and 18.
  • a coated fibrous web 10 according to FIG. 1a In a first mode of operation, only the first functional layer-forming unit 7 is activated.
  • the fibrous web F undergoes an order on the upper side 2 by means of the process applicator CC1.
  • the web F is then fed to the drying section TS1 and, after passing through it, passed through the non-activated unit 8 forming the second functional layer via the pulling device Z1.
  • Not activated means that the drying section TS2 is deactivated and furthermore no application medium is applied via the curtain applicator CC2.
  • the order media supply to the commissioned work CC2 is interrupted.
  • the fibrous web F is guided in a second mode of operation by units 7 and 8 which are both functional layer-forming units.
  • the fibrous web is guided in the connection region via the second Bahn Replacementsweg II in the bypass to web turning device 14, that is, there is no change in the orientation of top 2 and bottom 3 and the second functional layer, which is preferably applied in the form of the cover layer 5 as a protective layer , is then applied to the already existing functional layer in the form of the thermo-sensitive layer 4 via the second curtain applicator CC2. This is followed by curing at Passing through the drying section TS2, wherein the coated fibrous web 10 is rolled up after reaching the required dry content.
  • the device 1 is operated in a third mode of operation such that the fibrous web F passes through both functional layers forming units 7 and 8, but between the two units 7 and 8, the fibrous web F on the web turning device 14 is guided along the web guide path I and thus the orientations of top and bottom 2, 3 are reversed, so that at the second functional layer forming unit 8 now has the bottom 3 to the applicator CC2 and the order is placed on this.
  • each drying device is arranged in each drying section TS1, TS2, which in the simplest case according to FIG. 2 in each case comprises at least one contactless drying device, in particular a hot air drying device HLT1 and HLT2. This is either gas or steam heated.
  • FIG. 2 shows FIG. 3a an example of a possible embodiment in the form of a further development of FIG. 2 ,
  • the individual devices can be arranged one behind the other in a horizontal plane or in horizontal planes offset from each other.
  • the functional layers forming units 7 and 8 here also each comprise a multi-layer process applicator CC1 and CC2 with at least two application nozzles and a downstream this drying section TS1 and TS2, wherein the individual drying lines TS1 and TS2 each by a plurality of successively connected drying devices in the form of Hot air dryers HLT1.1 to HLT1.3 or HLT2.1 to HLT 2.3 are characterized.
  • FIG. 3b illustrates the operation of the device 1 in producing a coated fibrous web 10 in the form of a single-sided double-coated fibrous web F. Shown are the individual process steps based on a cross-section through a fibrous web F for the individual layering you the position of the individual sides of the fibrous web F is recognizable here that is applied via the first coater CC1, the first functional layer in the form of the thermosensitive layer 4 on the surface 2 of the carrier web in the form of the fibrous web F and the fibrous web F without orientation change between the top and bottom 2, 3 to the second functional layer-forming unit. 8 wherein the second functional layer-forming unit 8 is used here for the application of the covering layer 5 functioning as a protective layer.
  • connecting portions between the two functional layers forming means 7 and 8 are preferably arranged and designed such that by the web turning device 14th and the associated bypass 15 recordable web guide paths I and II are preferably aligned parallel to each other.
  • FIG. 3a embodiment shown is preferably characterized by three pulling devices Z1 to Z3.
  • the two drawbars Z1 and Z2 are as in FIG. 2 downstream of the two functional layers forming units 7, 8.
  • a further pulling device Z3 is arranged behind the junction 13 and before the application device A2 of the second functional layer-forming unit 8.
  • FIG. 4a Opposite in the Figures 2 and 3 illustrated embodiments illustrates the FIG. 4a by way of example a further embodiment, in which the arrangement of the individual functional layer-forming units 7 and 8 takes place in different vertical planes, wherein in addition a change of direction in the web guide is achieved.
  • the two functional layer-forming units 7 and 8 are preferably arranged one above the other in the vertical direction, so that the machine-direction machine length which describes the X-direction can be made relatively short.
  • the space in the vertical direction can be optimally used.
  • the arrangement of applicators A1, A2 and the drying lines TS1 and TS2 is such that the carrier web T in the form of the fibrous web F to be coated passes through the individual functional layer forming units 7 and 8 in the opposite direction as viewed in the longitudinal direction of the device 1.
  • the connecting region is assigned to one of the two functional layers forming units 7 or 8 and arranged with this in a plane. The passage is still in the same direction as in the arranged in the same plane functional layer unit.
  • the connecting region of the functional layer-forming device 7 is preferably arranged directly downstream, wherein the fibrous web F functioning as the carrier web T still remains unaltered therein Direction enters.
  • the displacement in the vertical direction in the overlying second functional layer forming unit 8 or upstream of this is dependent on the application requirements.
  • the basic structure of the two functional layers forming units 7 and 8 corresponds to that in the Figures 2 and 3 Therefore, the same reference numerals are used for the same elements.
  • the individual drying sections TS1 and TS2 each comprise a plurality of individual drying devices connected in series in series, here in the form of hot-air drying devices HLT1.1 to HLT 1.3 or HLT2.1 to HLT2.3, successively on the fibrous web F or F or passing through them be effective on these passing fibrous web F.
  • FIG. 4a Opposite in the Figures 2 and 3 illustrated embodiments with a constant direction of passage for the fibrous web F to be coated by the device 1 is the embodiment in FIG. 4a Characterized in that already alone due to the arrangement, which causes a change in direction of the leadership of the fibrous web F, a change in orientation in Bahn adjustmentsweg 2 between the top 2 and the bottom 3 is generated.
  • the fibrous web F now has to be guided over the web turning device 14, while otherwise in the bypass to the web turning device 14 an orientation reversal between upper side 2 and lower side 3 with respect to the unit 8 forming the next functional layer automatically occurs he follows.
  • thermosensitive layer 4 is applied in the first functional layer-forming unit 7 via the first curtain applicator CC1 on the upper side 2 of the fibrous web F, which passes through the drying line TS1 after the curtain applicator CC1 and now in the connection region to the second functional layer forming unit 8 is guided over the web turning device 14, so that now a reversal in the orientation between top and bottom 2, 3 takes place and thus the top 2 again with a further layer, preferably a cover layer 5 is coated.
  • the solution according to the invention is not on in the FIGS. 2 to 4 limited embodiments shown. This allows at least the application of two layers with a single applicator, the nature of the order is variable here and is determined only by the operation of the device 1 and the application medium applied via the applicator. Furthermore, simple single-sided coated fibrous webs F with the respective device 1 in a simple manner can be produced.

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  • Paper (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
EP09168040A 2008-08-21 2009-08-18 Dispositif de production de bandes de matière fibreuse de papier, de carton ou autres revêtues dotées au moins d'une couche thermosensible et procédé de fonctionnement d'un tel dispositif Not-in-force EP2157239B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008041419A DE102008041419A1 (de) 2008-08-21 2008-08-21 Vorrichtung zur Erzeugung von beschichteten Papier-, Karton- oder anderen Faserstoffbahnen mit zumindest einer thermosensitiven Schicht und Verfahren zum Betreiben einer derartigen Vorrichtung

Publications (2)

Publication Number Publication Date
EP2157239A1 true EP2157239A1 (fr) 2010-02-24
EP2157239B1 EP2157239B1 (fr) 2011-08-17

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EP09168040A Not-in-force EP2157239B1 (fr) 2008-08-21 2009-08-18 Dispositif de production de bandes de matière fibreuse de papier, de carton ou autres revêtues dotées au moins d'une couche thermosensible et procédé de fonctionnement d'un tel dispositif

Country Status (5)

Country Link
US (1) US8066850B2 (fr)
EP (1) EP2157239B1 (fr)
AT (1) ATE520825T1 (fr)
DE (1) DE102008041419A1 (fr)
ES (1) ES2369174T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102681U1 (de) * 2012-07-18 2012-08-14 Druckhaus Schütze GmbH Rollenoffsetdruckmaschine zur einseitigen Bedruckung einer Materialbahn
CN104244609B (zh) * 2013-06-19 2018-04-06 南昌欧菲光科技有限公司 基材双面塞孔装置
EP3919679B1 (fr) * 2020-06-01 2023-06-21 Valmet Technologies Oy Section de traitement d'une ligne de production pour produire une bande de fibres revêtue d'une couche barrière

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004001133A2 (fr) * 2002-06-24 2003-12-31 Voith Paper Patent Gmbh Dispositif d'enduction des deux faces d'une bande notamment de papier ou de carton et de sechage de cette bande
EP1538262A1 (fr) * 2003-12-01 2005-06-08 Voith Paper Patent GmbH Installation de revetment double face
EP1593778A1 (fr) * 2004-05-06 2005-11-09 Voith Paper Patent GmbH Procédé et appareil de traitement d'une bande de papier ou carton

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3479609B2 (ja) * 1999-03-02 2003-12-15 日本パーカライジング株式会社 スラッジ発生のないリン酸亜鉛処理液およびリン酸亜鉛処理方法
DE10057729A1 (de) * 2000-11-22 2002-05-23 Voith Paper Patent Gmbh Vorhang-Auftragsvorrichtung
DE102008041418A1 (de) * 2008-08-21 2010-02-25 Voith Patent Gmbh Vorhang-Auftragsmaschine
DE102008041422A1 (de) * 2008-08-21 2010-02-25 Voith Patent Gmbh Vorrichtung zur Erzeugung von beschichteten Papier-, Karton- oder anderen Faserstoffbahnen mit mindestens einer thermosensitiven Schicht und Verfahren zum Betreiben einer derartigen Vorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004001133A2 (fr) * 2002-06-24 2003-12-31 Voith Paper Patent Gmbh Dispositif d'enduction des deux faces d'une bande notamment de papier ou de carton et de sechage de cette bande
EP1538262A1 (fr) * 2003-12-01 2005-06-08 Voith Paper Patent GmbH Installation de revetment double face
EP1593778A1 (fr) * 2004-05-06 2005-11-09 Voith Paper Patent GmbH Procédé et appareil de traitement d'une bande de papier ou carton

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LA PAPETERIE, vol. 275, April 2006 (2006-04-01), pages 6 - 14

Also Published As

Publication number Publication date
ES2369174T3 (es) 2011-11-28
US20100051223A1 (en) 2010-03-04
ATE520825T1 (de) 2011-09-15
US8066850B2 (en) 2011-11-29
DE102008041419A1 (de) 2010-02-25
EP2157239B1 (fr) 2011-08-17

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