WO2004001133A2 - Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard - Google Patents
Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard Download PDFInfo
- Publication number
- WO2004001133A2 WO2004001133A2 PCT/EP2003/006479 EP0306479W WO2004001133A2 WO 2004001133 A2 WO2004001133 A2 WO 2004001133A2 EP 0306479 W EP0306479 W EP 0306479W WO 2004001133 A2 WO2004001133 A2 WO 2004001133A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- application
- material web
- drying device
- web
- drying
- Prior art date
Links
Classifications
-
- 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
- D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
- D21H23/72—Plural serial stages only
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
Definitions
- the invention relates to a coating / drying device with a first application device for applying liquid or pasty application medium to a first side of a moving material web, in particular made of paper or cardboard, with a second application device for applying liquid or pasty application medium to a second side of the material web opposite the first side and with a drying device.
- Such spreading / drying devices are generally known in the prior art.
- a layer of application medium is usually first applied to one side of the material web and then dried in a drying device. Only then is an application medium layer applied to the other side of the material web and also dried.
- a disadvantage of these coating / drying devices is, on the one hand, that two drying devices must be provided, which is not only expensive to purchase and maintain these drying devices, but also requires a large amount of installation space.
- the energy efficiency of one-sided drying i.e. the drying effect per unit of energy expended to be desired.
- This object is achieved according to the present invention by a generic coating / drying device, in which the second application device is a contactless application device and in which the drying device is arranged downstream of the two application devices in the direction of travel of the material web.
- the invention there is therefore no intermediate drying, ie no drying device is provided between the position of the first application device and the position of the second application device. This saves on the one hand the space otherwise required for the second drying device and on the other hand the costs required for the acquisition and maintenance of the second drying device.
- the heat provided by the drying device can be absorbed not only by a moist application medium layer, but by two moist application medium layers.
- the higher heat absorption as a result improves the energy efficiency of the coating / drying device according to the invention compared to coating / drying devices of the prior art.
- Application devices are arranged essentially in the same position in the running direction of the material web, and that the drying device is arranged downstream of the two application devices in the running direction of the material web. At least one, preferably both, of the application devices can advantageously be used as contactless ones
- Application device to be executed. But it is also not excluded that at least one of the application devices is one
- Application medium is indirect by means of an application device which transmits the application medium in the form of an application medium layer of a transfer element, preferably a transfer roller.
- the inventive design of the coating / drying device according to the second aspect also makes it possible to dispense with intermediate drying if both sides of the material web are to be coated, and this dispensing with intermediate drying is essentially essential in the arrangement of the two application devices in the running direction of the material web in the same position it is also compatible with a touching application, possibly with an excess application to the material web.
- the mentioned contactless application device applies the application medium essentially without excess to the material web (“1: 1 application”). It is therefore not necessary to scrape off excess application medium and thus no physical contact with the material web
- Application device the material web only to a small extent, namely only by means of the softening of the material web by the liquid contained in the application medium .
- a spray application device or a curtain application device can be used as a contactless application device.
- the first application device can also be an application device that touches the material web, for example a blade application device, i.e. an application device with a doctor blade for leveling and / or metering the applied layer of application medium, a film application device, ie an application device in which the material web is passed through a passes through two rollers formed nip and in this nip is brought into contact with a film of application medium applied to the surface of one of the rollers, or similar application devices.
- the first application device is also a contactless application device, for example a curtain application device.
- the one with it accompanying low stress on the material web is particularly important in connection with the present invention, because the material web according to the invention does not experience intermediate consolidation between the two application devices due to moisture removal in an intermediate drying device.
- At least one of the curtain application devices can apply the application medium to the material web from above due to gravity. Additionally or alternatively, however, it is also possible for at least one of the curtain application devices to be assigned a deflection device which deflects the application medium curtain of this curtain application device from its course due to gravity.
- the deflection of the application medium curtain can be based, for example, on an electrostatic and / or electromagnetic interaction between the application medium in the application medium curtain and the deflection device.
- electrostatically and / or electromagnetically operating deflection devices are known in the prior art and are therefore not to be explained in more detail here.
- the application medium curtain of both curtain application devices can be deflected out of the respective course due to gravity by means of a deflection device.
- the material web can run essentially vertically from bottom to top, the two curtain application devices being arranged on both sides of the material web and the two application medium curtains by starting the deflection device from its course due to gravity, which does not result in wetting of the material web leads into an operating course wetting the material web.
- the two application devices are arranged essentially at the same position in the running direction of the material web.
- the two order devices are arranged on a section of the material web that runs essentially in the vertical direction, preferably moving from bottom to top. If we are talking here of "essentially running in the vertical direction", this should certainly include larger angular deviations from an exactly vertical course, possibly up to ⁇ 45 °. A smaller angle deviation from the exactly vertical course, for example ⁇ 20 °, may be more appropriate.
- Material web is arranged downstream by a predetermined distance.
- the two application devices in the two application devices in the two application devices.
- Material web can be arranged to allow application of the application medium from above. This is especially true when using
- a stacking arrangement of the application devices that utilizes the available overall height and thus saves overall length is obtained, for example, if the material web is deflected by essentially at least one 80 ° between the substantially horizontal sections by means of at least one web deflection unit. It goes without saying that the wording “deflected by essentially 180 °” is to be interpreted broadly according to the above and can comprise deflections of approximately 140 ° to approximately 210 °.
- the web deflection units are arranged between the first application device and the second application device on the uncoated second side of the material web are.
- air turns i.e. Deflection units in which the material web is guided in a contactless manner on a compressed air cushion ejected by these air turns
- the web deflection units between the first application device and the second application device can in principle also be arranged on the coated first side of the material web.
- a web turning device can be arranged between the first application device and the second application device.
- the axes or shafts of the deflection units of this web turning device run parallel to a web section of the material web entering the respective deflection unit and at a predetermined angle to the transverse direction of this incoming web section.
- air turns can also be used as web deflection units. These can be designed, for example, as perforated tubes, the perforations serving to pressurize compressed gas to form a compressed gas cushion.
- both application devices are accommodated in a common housing, and not least in order to avoid prevent contamination of the entire coating system by droplets of application medium or the like.
- curved sections of the path of the material web between the first application device and the drying device have a radius of curvature of at least 300 mm. Only if this minimum radius of curvature is observed is it ensured that in the area of the curved sections of the path the centrifugal forces acting on the still wet application layers are so low that centrifugal force-induced dropping of application medium droplets is prevented. This applies in particular to web speeds of more than 1,000 m / min.
- the coating / drying device according to the invention can advantageously have at least one non-contact device for stabilizing the running material web and / or avoiding or reducing ripples, in particular transverse ripples, of the running material web.
- at least one Coanda effect nozzle arrangement can advantageously be provided. It is also expedient to use at least one nozzle arrangement for generating a counter-ripple, in particular longitudinal ripple, which counteracts a ripple to be avoided or reduced, in particular transverse ripple.
- the coating / drying device according to the invention can advantageously have at least one device for disrupting and preferably for eliminating or reducing an air boundary layer carried along by the running material web, which should ideally be arranged shortly or immediately before a respective application device so that the application of the application medium does not occur the air boundary layer is disturbed so that a line that meets high quality requirements is achieved.
- the invention will be explained in more detail in the following with the aid of the attached drawing using a few exemplary embodiments. It shows:
- 1 to 4 are schematic representations of arrangements and trajectories in embodiments of coating / drying devices according to the invention.
- Fig. 5 shows another example of an inventive
- Coating device which is connected downstream of a dryer section in a paper machine.
- 10, 1 1 also show schematic representations of arrangements and web courses in embodiments of coating / drying devices according to the invention, with a touching application of the application medium to the running material web.
- a coating / drying device is generally designated 10. It comprises a first application device 14 for applying a first layer of application medium to a first side 1 2a of a material web 12 moving in the running direction L, a second application device 16 for applying a second layer of application medium to the side 1 opposite side 12a 2b of the material web 1 2, and a drying device 18 which follows the two application devices 14 and 16 in the running direction L of the material web 12. is arranged. According to the invention, the path of the web between the two application devices 14 and 16 is free of further drying devices. That is, the material web 12 does not undergo intermediate drying between the application unit 14 and the application unit 16.
- both application devices 14 and 16 in the present exemplary embodiment are designed as curtain application devices, i.e. as application devices in which the application medium as a closed application medium curtain leaves a nozzle of the application device and moves under the influence of external forces, in particular gravity, through the free space to the material web 12.
- This contactless way of applying application medium to the material web 12 ensures that the material web 12 is only stressed to a small extent.
- the application devices 14, 16 could also be designed as spray application devices.
- the two application devices 14, 16 are arranged in essentially horizontal sections 12 ′ and 12 ′′ of the course of the material web 12 and apply the application medium to the material web 12 essentially from above.
- deflection rollers 20 are provided which deflect the material web 12 between the two application devices 14 and 16.
- these deflection rollers 20 are both arranged on the still uncoated side 12b of the material web 12, so that they are separated from the Application device 14 can not affect the layer applied to the side 12a of the material web 12.
- the two deflecting rollers 20 have a relatively large diameter, so that the Apply device 14 to the layer of material applied to the material web 12 when deflecting the material web 12 only slight centrifugal forces.
- a contactless deflection device 22 is arranged between the application device 16 and the drying device 18.
- This deflection device 22 can be formed, for example, by a so-called “air turn", which guides the material web 12 on a compressed air cushion without contact.
- FIG. 2 shows a further embodiment of a coating / drying device according to the invention, which essentially corresponds to the embodiment according to FIG. 1. Therefore, in FIG. 2, analog parts are provided with the same reference numerals as in FIG. 1, but increased by the number 100. Furthermore, the embodiment according to FIG. 2 is described below only insofar as it differs from the embodiment according to FIG. 1 differs, to the description of which reference is hereby expressly made.
- the coating / drying device 1 10 according to FIG. 2 differs from the coating / drying device 10 according to FIG. 1 only with regard to the design of the deflection units 120 which separate the material web 1 12 between the first curtain application device 1 14 and the second Deflect curtain applicator 1 16. 2 are arranged on the first painted side 1 12a of the material web 1 12. They are therefore designed as contactless deflecting devices, for example so-called "air turns", as were explained with reference to the embodiment according to FIG. 1 using the example of the deflecting device 22. Also in the embodiment according to FIG. 2, a contactlessly operating deflection device 122 is provided between the application device 116 for coating the second side 112b of the material web 112 and the drying device 118.
- FIG. 1 differs from the coating / drying device 10 according to FIG. 1 only with regard to the design of the deflection units 120 which separate the material web 1 12 between the first curtain application device 1 14 and the second Deflect curtain applicator 1 16. 2 are arranged on the first painted side 1 12a of the material web
- FIG. 3 shows a further embodiment of a coating / drying device according to the invention, which essentially corresponds to the embodiment according to FIG. 1. Therefore, in FIG. 3, analog parts are provided with the same reference numerals as in FIG. 1, but increased by the number 200. Furthermore, the embodiment according to FIG. 3 is described below only insofar as it differs from the embodiment according to FIG. 1 differs, to the description of which reference is hereby expressly made.
- the two curtain applicators 214 and 216 are arranged on both sides of a material web 212 which moves essentially from bottom to top.
- a deflection device 224 which is only indicated schematically, the two application medium curtains 214a and 216a of the two application devices 214 and 216 are deflected from their course, indicated by dashed lines in FIG. 3, to a course wetting the surfaces 212a and 212b of the material web 212.
- the deflection device 224 can operate on the basis of an electrostatic interaction with the application medium, for example.
- FIG. 4 shows a further embodiment of a coating / drying device according to the invention, which essentially corresponds to the embodiment according to FIG. 1. Therefore, in FIG. 4, analog parts are provided with the same reference numerals as in FIG. 1, but increased by the number 300. Furthermore, the embodiment according to FIG. 4 is described below only insofar as it differs from the embodiment according to FIG. 1 differs, to the description of which reference is hereby expressly made.
- the coating / drying device 310 according to FIG. 4 differs from the embodiments according to FIGS. 1 and 2 only in the type of deflection of the material web 312 between the first curtain Application device 314 and the second curtain application device 316, specifically a web turning device 326 is used for this purpose according to FIG. 3.
- the axes or shafts 328a of the deflection units 328 of this web turning device 326 run parallel to a web section of the material web 312 entering the respective deflection unit 328 and at a predetermined angle to the transverse direction Q of this incoming web section.
- These axes and shafts are designed as a tube and have a multiplicity of openings which, in conjunction with a compressed air source, lead to the formation of an air cushion carrying the web.
- FIG. 5 shows a coating device 410 according to the invention downstream of a drying section 440 in a paper machine.
- the running material web 412 is guided into the coating device (the coater) from above, the web being deflected by a guide roller 442.
- the further course of the web guide under a first curtain application device 414 and a second curtain application device 416 essentially corresponds to the exemplary embodiment in FIG. 1.
- Two deflecting rollers 420 are used.
- an element for eliminating or at least reducing an air boundary layer carried along by the running material web is preferably provided in front of the respective application device, for example a suction box 444 or 446.
- the application devices 414 and 416 are preferably adjustable in height.
- the material web runs between the respective application device 414 or 416 and a trough 448 or 450 which collects excess application medium.
- the material web 412 After passing under the second application device, the material web 412 becomes contactless via an air turn 422 working drying device (not shown) performed.
- a hot air dryer can be provided.
- guidance by air nozzles 452 can also be provided.
- An exemplary course of the material web through the air nozzles is shown in dashed lines (412 ').
- the air nozzles can be arranged in such a way that a slight ripple is generated in the running material web with wave troughs and wave crests which follow one another in the running direction or longitudinal direction of the material web, which counteracts an undesired transverse ripple of the material web with wave crests and wave troughs which follow one another in the transverse direction.
- the main consideration is to have them with a comparatively large diameter, for example greater than 600 mm, in order to avoid the application medium (the coating color) being thrown off.
- the coating / drying device is also connected downstream of a drying section 540 within a paper machine.
- the material web 512 is guided into the coating device from below, and the web is deflected against the machine running direction by means of several guide rollers.
- the first application device 514 is preferably preceded by an element for removing / avoiding an air boundary layer, for example a suction box 544. It is carried out similarly to the arrangement according to FIG. 2 a deflection of the material web 512 by means of two air turns 520, so that the material web is deflected again in the machine running direction.
- the second application device 51 6 applies to the material web section running again in the machine direction.
- An element 546 for removing / avoiding the air boundary layer is preferably also connected upstream of the second application device 516.
- the two air turns 520 act with their guide air on the material web side coated (coated) by the first application device 514.
- One or more support rollers can be assigned to the other, not yet coated material web sides, in order to ensure a defined and stable material web guidance.
- the material web runs through air nozzles 552 serving for stabilization and is then deflected into a contactless dryer 518 by means of another air turn 522, which can be followed by a touching further drying device 560 in the manner of a conventional drying section.
- the same reference numerals are used for analog or corresponding components, each increased by 100.
- a Coanda effect Arrangement or stabilizing nozzle arrangement can be provided, for example, in accordance with arrangement 452 or 552.
- FIG. 8 Another expedient arrangement is shown in FIG. 8.
- the curtain applicators 714 and 716 are preferably each preceded by a suction box 744 or 746 or another element for eliminating or reducing the air boundary layer.
- An air turn arrangement 720 and an air turn 722 implemented with segments accomplish the contactless web deflection towards the second curtain application unit 716 or towards the drying device (not shown).
- FIG. 9 An arrangement very similar to the arrangement in FIG. 6 is shown schematically in FIG. 9. The type and mode of operation of the components shown result directly from the correspondence of the reference symbols with the reference symbols used in FIG. 6.
- the air turn 722 deflects the material web 712 diagonally upwards, not diagonally downwards as in FIG. 5.
- the material web runs through a roller nip of the application rollers 460 and 462.
- the two application units 814, 860, on the one hand, and 816, 862, on the other hand, are accordingly arranged essentially at the same position of the material web in its running direction.
- the roller surface to be coated by means of the curtain application head 814 or 816 is preferably each assigned an element 844 or 846 for eliminating or at least reducing the air boundary layer, for example an aircut.
- Corresponding elements can also be assigned to the material web sides entering the nip.
- Fig. 1 1 shows a very similar to the arrangement of Fig. 10, but in which the material web 912 is coated only on one side.
- the coating roller 960 is therefore assigned only one support and guide roller 962, which deflects the material web 912 and forms a coating nip together with the roller 960.
- the material web running off the roller 962 can be fed via a contactless guide arrangement to a further application device, for example a curtain application device, which coats the other side of the material web.
Landscapes
- Coating Apparatus (AREA)
- Paper (AREA)
- Drying Of Solid Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004514790A JP2005530606A (en) | 2002-06-24 | 2003-06-18 | Equipment for coating and drying the front and back of webs, in particular webs made of paper or cardboard |
DE50302432T DE50302432D1 (en) | 2002-06-24 | 2003-06-18 | APPARATUS FOR BOTH WIPING AND DRYING A MATERIAL RAIL, IN PARTICULAR OF PAPER OR CARTON |
EP03732582A EP1516087B2 (en) | 2002-06-24 | 2003-06-18 | Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard |
US11/023,940 US7563326B2 (en) | 2002-06-24 | 2004-12-22 | Device for coating and drying both sides of a material web of paper or board |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10228114.9 | 2002-06-24 | ||
DE10228114A DE10228114A1 (en) | 2002-06-24 | 2002-06-24 | Device for painting on both sides and for drying a material web, in particular made of paper or cardboard |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/023,940 Continuation US7563326B2 (en) | 2002-06-24 | 2004-12-22 | Device for coating and drying both sides of a material web of paper or board |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004001133A2 true WO2004001133A2 (en) | 2003-12-31 |
WO2004001133A3 WO2004001133A3 (en) | 2004-07-08 |
Family
ID=29723414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/006479 WO2004001133A2 (en) | 2002-06-24 | 2003-06-18 | Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1516087B2 (en) |
JP (2) | JP2005530606A (en) |
CN (1) | CN100404758C (en) |
AT (1) | ATE317927T1 (en) |
DE (3) | DE20221952U1 (en) |
WO (1) | WO2004001133A2 (en) |
Cited By (5)
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DE10358508A1 (en) * | 2003-12-13 | 2005-07-07 | Voith Paper Patent Gmbh | applicator |
EP2157239A1 (en) * | 2008-08-21 | 2010-02-24 | Voith Patent GmbH | Device for creating coated paper, cardboard or other strips of fibrous material with at least one thermo-sensitive layer and method for operating such a device |
EP2157238A1 (en) * | 2008-08-21 | 2010-02-24 | Voith Patent GmbH | Device for creating coated paper, cardboard or other strips of fibrous material with at least one thermo-sensitive layer and method for operating such a device |
WO2011088911A1 (en) * | 2010-01-25 | 2011-07-28 | Voith Patent Gmbh | Thermal paper or carbonless paper machine and method for manufacturing thermal or carbonless paper |
EP3830336B1 (en) | 2018-07-27 | 2023-02-22 | Voith Patent GmbH | Method and device for starch application |
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DE102004004154A1 (en) * | 2004-01-28 | 2005-08-18 | Voith Paper Patent Gmbh | Application process |
JP2007169797A (en) * | 2005-12-19 | 2007-07-05 | Mitsubishi Heavy Ind Ltd | Apparatus for producing coated sheet and method for producing the same |
DE102008000160A1 (en) | 2008-01-28 | 2009-07-30 | Voith Patent Gmbh | Device for improving the working conditions of the operators of a coating device |
CH701535A1 (en) * | 2009-07-17 | 2011-01-31 | Landqart | Device for applying color effect pigments. |
AT509419B1 (en) * | 2010-02-03 | 2013-12-15 | Bsw Machinery Handels Gmbh | METHOD AND DEVICE FOR THE CONTINUOUS TWO-SIDED COATING OF A TISSUE TRAIN |
KR101309343B1 (en) | 2010-09-24 | 2013-09-17 | 가부시끼가이샤 도시바 | Double side applying apparatus and double side applying method |
CN102041706B (en) * | 2010-11-18 | 2012-01-04 | 天津科技大学 | Device for drying paper with segmented heating metal tapes |
KR101377589B1 (en) * | 2012-04-19 | 2014-03-25 | (주)피엔티 | Apparatus for coating both sides of thin material |
JP5914182B2 (en) * | 2012-06-04 | 2016-05-11 | 日東電工株式会社 | Coating equipment |
CN103211472B (en) * | 2013-05-07 | 2014-10-22 | 黄小群 | Manufacturing equipment and production process of double-sided cushion |
CN107626538B (en) * | 2017-10-27 | 2018-08-07 | 深圳市信宇人科技股份有限公司 | Double spread method and device |
CN109453677A (en) * | 2018-12-19 | 2019-03-12 | 杭州快诊新材料科技有限公司 | The manufacturing method of two-sided hydrophilic film |
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2002
- 2002-06-24 DE DE20221952U patent/DE20221952U1/en not_active Expired - Lifetime
- 2002-06-24 DE DE10228114A patent/DE10228114A1/en not_active Withdrawn
-
2003
- 2003-06-18 JP JP2004514790A patent/JP2005530606A/en active Pending
- 2003-06-18 EP EP03732582A patent/EP1516087B2/en not_active Expired - Fee Related
- 2003-06-18 CN CNB038148749A patent/CN100404758C/en not_active Expired - Fee Related
- 2003-06-18 AT AT03732582T patent/ATE317927T1/en active
- 2003-06-18 WO PCT/EP2003/006479 patent/WO2004001133A2/en active IP Right Grant
- 2003-06-18 DE DE50302432T patent/DE50302432D1/en not_active Expired - Lifetime
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2009
- 2009-09-24 JP JP2009219510A patent/JP2010017711A/en active Pending
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10358508A1 (en) * | 2003-12-13 | 2005-07-07 | Voith Paper Patent Gmbh | applicator |
EP2157239A1 (en) * | 2008-08-21 | 2010-02-24 | Voith Patent GmbH | Device for creating coated paper, cardboard or other strips of fibrous material with at least one thermo-sensitive layer and method for operating such a device |
EP2157238A1 (en) * | 2008-08-21 | 2010-02-24 | Voith Patent GmbH | Device for creating coated paper, cardboard or other strips of fibrous material with at least one thermo-sensitive layer and method for operating such a device |
US8066850B2 (en) | 2008-08-21 | 2011-11-29 | Voith Patent Gmbh | Apparatus to produce coated paper, cardboard or other fibrous webs with at least one thermo-sensitive layer and a method to operate an apparatus of this type |
WO2011088911A1 (en) * | 2010-01-25 | 2011-07-28 | Voith Patent Gmbh | Thermal paper or carbonless paper machine and method for manufacturing thermal or carbonless paper |
EP3830336B1 (en) | 2018-07-27 | 2023-02-22 | Voith Patent GmbH | Method and device for starch application |
US11767638B2 (en) | 2018-07-27 | 2023-09-26 | Voith Patent Gmbh | Method and device for starch application |
Also Published As
Publication number | Publication date |
---|---|
EP1516087A2 (en) | 2005-03-23 |
EP1516087B2 (en) | 2010-01-27 |
DE50302432D1 (en) | 2006-04-20 |
CN1662706A (en) | 2005-08-31 |
JP2010017711A (en) | 2010-01-28 |
WO2004001133A3 (en) | 2004-07-08 |
DE20221952U1 (en) | 2009-08-20 |
ATE317927T1 (en) | 2006-03-15 |
JP2005530606A (en) | 2005-10-13 |
DE10228114A1 (en) | 2004-01-15 |
CN100404758C (en) | 2008-07-23 |
EP1516087B1 (en) | 2006-02-15 |
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