EP1595601B1 - Dispositif d'application d'un matériau liquide ou pâteux sur un ou deux côtés d'un bande en mouvement - Google Patents

Dispositif d'application d'un matériau liquide ou pâteux sur un ou deux côtés d'un bande en mouvement Download PDF

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Publication number
EP1595601B1
EP1595601B1 EP05103655A EP05103655A EP1595601B1 EP 1595601 B1 EP1595601 B1 EP 1595601B1 EP 05103655 A EP05103655 A EP 05103655A EP 05103655 A EP05103655 A EP 05103655A EP 1595601 B1 EP1595601 B1 EP 1595601B1
Authority
EP
European Patent Office
Prior art keywords
collecting device
application medium
medium
curtain applicator
curtain
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
EP05103655A
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German (de)
English (en)
Other versions
EP1595601A3 (fr
EP1595601A2 (fr
Inventor
Manfred Ueberschär
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1595601A2 publication Critical patent/EP1595601A2/fr
Publication of EP1595601A3 publication Critical patent/EP1595601A3/fr
Application granted granted Critical
Publication of EP1595601B1 publication Critical patent/EP1595601B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • 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
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor

Definitions

  • the invention relates to a device for applying one or both sides of at least one liquid or pasty application medium to a running surface, comprising a curtain applicator for applying the at least one application medium and having at least one catching device for collecting the at least one application medium during the start, stop Phase of a coating operation of the curtain applicator, wherein the curtain applicator dispenses the at least one application medium during the coating process as a substantially gravity-based moving curtain to the moving surface, and the surface when directly applied the surface of a paper, cardboard or other fibrous web and indirect application the surface of a transfer element, preferably an applicator roll, which delivers the at least one application medium to the surface of the fibrous web.
  • a curtain applicator for applying the at least one application medium and having at least one catching device for collecting the at least one application medium during the start, stop Phase of a coating operation of the curtain applicator, wherein the curtain applicator dispenses the at least one application medium during the coating process as a substantially gravity-based moving curtain to the moving surface
  • the catcher is used to catch at the start, stop phase and interruptions in the coating process from the curtain applicator already or dispensed application material.
  • a collecting device is in the US 5,885,659 disclosed.
  • the catcher which is usually a trough-like or trough-shaped component, have only a very small slope of about 1 ° to 5 °.
  • the low gradient there may be problems in draining the application medium in the catcher. This applies in particular to the standby state, that is to say during which the collecting device must permanently receive and discharge the application medium.
  • the invention has the object to improve the device of the type mentioned in such a way that the above-mentioned disadvantages will be avoided in the future.
  • the device of EP-A-421 466 is cleanable during operation of the device, ie the curtain applicator. Then the curtain applicator plant to clean the catcher no longer has to be turned off. The flow of the application medium through the nozzle can now continue despite the cleaning process of the catcher without interruption and clogged by not. As a result, time and application medium can be saved, so that the coating is cheaper.
  • the cleaning medium including dissolved contaminants discharged separately from the application medium bar, so separated from the application medium.
  • a spray pipe and / or a spray nozzle and / or a plurality of spray nozzles may be provided, from which a cleaning medium is sprayed into the catching device for cleaning purposes.
  • a hopper for receiving the application medium and a funnel for jointly receiving the cleaning medium and the contaminants may be arranged below the collecting device, wherein the collecting device to the respective funnel, above the hopper, is mobile.
  • the collecting device can be positioned together with a drain pipe arranged on her above the respective hopper become. In this way, the cleaning medium and the dissolved contaminants, as I said, can be removed together separately, without affecting the consistency and quality of the application medium.
  • the cleaning process of the catcher from the beginning of the coating process automatically be performed. This reliably prevents residues of the application medium from drying in the collecting device when no application medium is flowing through the collecting device.
  • the cleaning process will automatically stop when the standby state is over so that the cleaning media can not mix with the application media.
  • the cleaning process of the collecting device when reaching a desired degree of purity of the collecting device is automatically switched off.
  • the collecting device it is possible to pivot the collecting device during the coating process by a certain angle of inclination. By pivoting the collecting device, the remaining application medium can converge in the collecting device and be optimally removed from the collecting device. If the pivotable catcher is combined with the above sprayers, the catcher can be cleaned even more thoroughly. However, it is also possible not to equip the pivotable catcher with the aforementioned sprayers.
  • the pivotable catcher is the Tray suspended from at least two rods, which are hinged at one end to the catcher and the other end to a pivot bearing, wherein the closest to the curtain applicator rod is shorter than the curtain applicator furthest located rod.
  • the linkages can be realized inexpensively by pivot bearings. Overall, this is a very simple and thus inexpensive construction, which allows the catcher only approximately parallel move away under the nozzle and then to pivot for the cleaning process.
  • the collecting device can be hinged at its end remote from the curtain applicator at a crank and the collecting device between its two ends have a sliding pivot bearing. This is also a simple construction, which then comes when the spatial conditions preclude an arrangement of the rods, as they are provided in the first embodiment.
  • the collecting device has on its underside a hook element into which a first pivotable rod can be hooked in, and the collecting device has a second pivotable rod at its end remote from the curtain application unit, which is articulated at one end to the collecting device and at the other end to a rotary bearing ,
  • a hook element into which a first pivotable rod can be hooked in
  • the collecting device has a second pivotable rod at its end remote from the curtain application unit, which is articulated at one end to the collecting device and at the other end to a rotary bearing
  • Fig. 1 shows a device 10 for applying a coating medium 11 on a fibrous web 12.
  • the device 10 has a curtain applicator 13 for applying the curtain forming a coating medium 11 and a collecting device 14 for collecting the application medium 11 on.
  • the collecting device 14 is arranged above funnels 15 and 16.
  • the collecting device 14 can be moved back and forth above the funnels 15 and 16.
  • the fibrous web 12 is being coated, so that the collecting device 14 does not catch any application medium 11, and therefore can be cleaned by means of a spray tube 17, from which a cleaning medium 18 exits.
  • the collecting device 14 is positioned above the funnel 16 with an outlet fitting, not visible here, which is provided exclusively for receiving the application medium 11 coming from the spray tube 17 and the dissolved dirt.
  • Fig. 2 shows the device 10 in the standby state during which the application medium 11 falls into the catcher 14.
  • the spray tube 17 is now switched off.
  • the collecting device 14 is located with its unrecognizable outlet nozzle above the funnel 15, which is provided exclusively for receiving the application medium 11.
  • the application medium 11 on one side and the cleaning medium 18 and the dissolved contaminants on the other side can be removed separately. This preserves the consistency and the quality of the application medium 11.
  • a valve can be provided which redirects the cleaning medium 18 and the dissolved contaminants together and separates them from the stream of the trapped intercepted application medium.
  • the spray tube 17 can be switched on automatically from the beginning of the coating process. Thus, residues of the application medium 11 can not dry in the collecting device 14 when no application medium 11 flows through the collecting device 14.
  • the spray tube 17 can be switched off automatically at the end of the coating process. Consequently, the cleaning medium 18 can not mix with the application medium 11.
  • Fig. 3 shows a device 30 with a pivotable catcher 31.
  • the catcher 31 is suspended from two rods 32 and 33.
  • the catcher 31 is shown in three positions A, B and C.
  • the position A shows the catcher 31 below a curtain applicator 34.
  • In this Position is the catcher 31 during the standby state, so if no application medium is applied to a fibrous web, not shown here.
  • the rods 32 and 33 are pivoted counterclockwise until the catcher 31 is in position B.
  • the catcher 31 to position B performs an approximately parallel displacement to the fibrous web, not shown.
  • the catcher 31 is finally pivoted to the end position C.
  • the collecting device 31 has a sufficiently large angle of inclination, through which the application medium runs down and thus can be reliably removed from the collecting device 31.
  • the rods 32 and 33 are suspended on pivot bearings 34 and 35.
  • the pivot bearings 34 and 35 are low-maintenance and inexpensive components.
  • the rods 32 and 33 or at least the rods 32 may be driven pneumatically or hydraulically.
  • the fact that the catcher 31 is suspended from the rods 32 and 33, a conflict with the fibrous web not shown in detail or also not shown below the fibrous web located tubs, rollers or other components is excluded.
  • Fig. 4 shows a device 40, in which the catcher 31 is articulated at its one end to a crank 41.
  • the crank 41 During a rotational movement of the crank 41 by about 90 ° clockwise, the catcher 31 is moved approximately parallel from the position A below the curtain applicator 34 in the position B.
  • a pivot bearing 42 is also moved in a guide 43 to the right.
  • the crank 41 can also be driven pneumatically or hydraulically, with an electric drive is possible.
  • the movable pivot bearing 42 and the guide 43 allow a space-saving pivoting of the catcher 31. This construction allows a free space above the fibrous web, not shown for other components.
  • Fig. 5 shows a device 50 with a catch element 51 having on its underside catcher 52.
  • the catcher 52 is hinged to a pivotable about a pivot bearing 55 rod 53.
  • the catch 52 is moved from position A approximately parallel to the right under the curtain applicator 34 until a rod 54 hooks into the hook member 51 at position B.
  • rod 54 is also pivoted in a clockwise direction, whereby the catcher 52 is pivoted to the position C.
  • only one drive is required, which drives the rod 53.
  • the rod 53 can be actuated both by a linear drive, such as a pneumatic cylinder, and by a rotary drive, such as an electric motor. This embodiment also allows a free space above the fibrous web, not shown, for other components.
  • the respective lengths of the rods 32, 33, 53 and 54 and the crank 41 can be chosen so that the application medium flows optimally and the view of an operator on the pivoted catcher 52 is still possible.
  • the pivotable collecting devices 31 and 52 may additionally be provided with the spray tube 17.

Landscapes

  • Coating Apparatus (AREA)
  • Paper (AREA)

Claims (13)

  1. Dispositif (10, 30, 40, 50) pour l'application d'au moins un milieu d'enduction liquide ou pâteux (11) sur un ou deux côtés d'une surface en mouvement, présentant un mécanisme d'enduction à rideau (13, 34) pour l'enduction de l'au moins un milieu d'enduction (11) et présentant au moins un dispositif de collecte (14, 31, 52) pour recueillir l'au moins un milieu d'enduction (11) pendant les phases de démarrage et d'arrêt d'une opération de revêtement du mécanisme d'enduction à rideau (13, 34), le mécanisme d'enduction à rideau (13, 34) distribuant l'au moins un milieu d'enduction (11) pendant l'opération de revêtement sous forme de rideau se déplaçant substantiellement sous l'effet de la pesanteur sur la surface en mouvement, et la surface, en cas d'enduction directe, étant la surface d'une bande de papier, carton, ou d'une autre bande fibreuse (12) et en cas d'enduction indirecte, étant la surface d'un élément de transfert, de préférence un rouleau d'enduction, qui distribue l'au moins un milieu d'enduction (11) sur la surface de la bande fibreuse (12), l'au moins un dispositif de collecte (14, 31, 52) pouvant être nettoyé pendant le fonctionnement du mécanisme d'enduction à rideau (13, 34), caractérisé en ce qu'un milieu nettoyant (18) et les salissures décollées peuvent être évacués ensemble et séparément du milieu d'enduction (11).
  2. Dispositif (10, 30, 40, 50) selon la revendication 1, caractérisé en ce que l'au moins un dispositif de collecte (14, 31, 52) peut être nettoyé pendant l'opération de revêtement.
  3. Dispositif (10) selon la revendication 2, caractérisé en ce que l'au moins un dispositif de collecte (14) peut être nettoyé avec un tube de pulvérisation (17) et/ou avec une buse de pulvérisation et/ou avec plusieurs buses de pulvérisation.
  4. Dispositif selon la revendication 1, caractérisé en ce qu'il présente une soupape.
  5. Dispositif (10) selon la revendication 1, caractérisé en ce que sous le dispositif de collecte sont disposés un entonnoir (15) pour recevoir le milieu d'enduction (11) et un entonnoir (16) pour recevoir le milieu de nettoyage (18) et les salissures, le dispositif de collecte (14) pouvant être positionné au-dessus des entonnoirs (15, 16).
  6. Dispositif (10, 30, 40, 50) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'opération de nettoyage du dispositif de collecte (14, 31, 52) peut être effectuée automatiquement à partir du début de l'opération de revêtement.
  7. Dispositif (10, 30, 40, 50) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'opération de nettoyage du dispositif de collecte (14, 31, 52) peut être effectuée automatiquement jusqu'à la fin de l'opération de revêtement.
  8. Dispositif (10, 30, 40, 50) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'opération de nettoyage du dispositif de collecte (14, 31, 52) peut être arrêtée automatiquement une fois qu'un degré de propreté souhaité du dispositif de collecte (14, 31, 52) a été atteint.
  9. Dispositif (30, 40, 50) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif de collecte (31, 52) peut être pivoté suivant d'un certain angle d'inclinaison pendant l'opération de revêtement.
  10. Dispositif (30, 40, 50) selon la revendication 9, caractérisé en ce que le dispositif de collecte (31, 52) peut être écarté et ensuite pivoté d'abord au moins approximativement parallèlement à la bande fibreuse sous le mécanisme d'enduction à rideau (34).
  11. Dispositif (30) selon la revendication 10, caractérisé en ce que le dispositif de collecte (31) est accroché à au moins deux barres (32, 33), qui sont articulées à chaque fois à une extrémité au dispositif de collecte (31) et à l'autre extrémité à un palier pivotant (34, 35), la barre (32) se trouvant le plus près du mécanisme d'enduction à rideau (34) étant plus courte que la barre (33) se trouvant le plus loin du mécanisme d'enduction à rideau (34).
  12. Dispositif (40) selon la revendication 10, caractérisé en ce que le dispositif de collecte (31) est articulé par son extrémité éloignée du mécanisme d'enduction à rideau (34) à une manivelle (41), et le dispositif de collecte (31) présente entre ses deux extrémités un palier pivotant déplaçable (42).
  13. Dispositif (50) selon la revendication 10, caractérisé en ce que le dispositif de collecte (52) présente, sur son côté inférieur, un élément de crochet (51), auquel peut être accrochée une première barre pivotante (54), et le dispositif de collecte (52) présente sur son extrémité éloignée du mécanisme d'enduction à rideau (34) une deuxième barre pivotante (53), qui est articulée à une extrémité au dispositif de collecte (52) et à l'autre extrémité à un palier pivotant (55).
EP05103655A 2004-05-13 2005-05-03 Dispositif d'application d'un matériau liquide ou pâteux sur un ou deux côtés d'un bande en mouvement Not-in-force EP1595601B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004023573 2004-05-13
DE102004023573A DE102004023573A1 (de) 2004-05-13 2004-05-13 Vorrichtung zum ein- oder beidseitigen Auftragen von mindestens einem flüssigen oder pastösen Auftragsmedium auf eine laufende Oberfläche

Publications (3)

Publication Number Publication Date
EP1595601A2 EP1595601A2 (fr) 2005-11-16
EP1595601A3 EP1595601A3 (fr) 2008-06-18
EP1595601B1 true EP1595601B1 (fr) 2012-04-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05103655A Not-in-force EP1595601B1 (fr) 2004-05-13 2005-05-03 Dispositif d'application d'un matériau liquide ou pâteux sur un ou deux côtés d'un bande en mouvement

Country Status (4)

Country Link
EP (1) EP1595601B1 (fr)
JP (1) JP4846264B2 (fr)
AT (1) ATE552053T1 (fr)
DE (1) DE102004023573A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012104934U1 (de) 2012-12-18 2013-01-14 Metso Paper, Inc. Vorrichtung zur Aufnahme von Beschichtungsmaterial

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055891A1 (de) * 2007-12-20 2009-06-25 Voith Patent Gmbh Auftragsvorrichtung
DE102008000160A1 (de) * 2008-01-28 2009-07-30 Voith Patent Gmbh Vorrichtung zur Verbesserung der Arbeitsbedingungen des Bedienpersonals einer Streicheinrichtung
DE102010041716A1 (de) * 2010-09-30 2012-04-05 Voith Patent Gmbh Vorrichtung zum direkten oder indirekten Auftrag von flüssigem bis pastösem Auftragsmedium und Verfahren zum Betreiben einer derartigen Vorrichtung
US9808824B2 (en) 2014-09-11 2017-11-07 Valmet Technologies, Inc. Arrangement in connection with curtain coating of a fibrous web

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Publication number Priority date Publication date Assignee Title
JPH03105969A (ja) * 1989-09-19 1991-05-02 Fujitsu Ltd 半導体記憶装置
JP2954242B2 (ja) * 1989-09-20 1999-09-27 株式会社日立製作所 集積回路装置
US5136970A (en) * 1989-10-06 1992-08-11 Fuji Photo Film Co., Ltd. Coating apparatus with vertically movable solution receiver
JP3141182B2 (ja) * 1992-12-15 2001-03-05 株式会社望月機工製作所 ロールコータ
JP3621204B2 (ja) * 1996-08-20 2005-02-16 三菱製紙株式会社 カーテン塗布装置及び塗布方法
JP3903568B2 (ja) * 1998-01-16 2007-04-11 石川島播磨重工業株式会社 塗工装置
JP3861436B2 (ja) * 1998-01-20 2006-12-20 石川島播磨重工業株式会社 塗工装置
JPH11200299A (ja) * 1998-01-21 1999-07-27 Ishikawajima Harima Heavy Ind Co Ltd 塗工装置のシャッターパン洗浄装置
JP2003010759A (ja) * 2001-06-28 2003-01-14 Fuji Photo Film Co Ltd カーテン塗布装置及び方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012104934U1 (de) 2012-12-18 2013-01-14 Metso Paper, Inc. Vorrichtung zur Aufnahme von Beschichtungsmaterial

Also Published As

Publication number Publication date
JP2005324192A (ja) 2005-11-24
JP4846264B2 (ja) 2011-12-28
DE102004023573A1 (de) 2005-12-08
EP1595601A3 (fr) 2008-06-18
ATE552053T1 (de) 2012-04-15
EP1595601A2 (fr) 2005-11-16

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