EP1697060B1 - Dispositif d'application - Google Patents

Dispositif d'application Download PDF

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Publication number
EP1697060B1
EP1697060B1 EP04804843A EP04804843A EP1697060B1 EP 1697060 B1 EP1697060 B1 EP 1697060B1 EP 04804843 A EP04804843 A EP 04804843A EP 04804843 A EP04804843 A EP 04804843A EP 1697060 B1 EP1697060 B1 EP 1697060B1
Authority
EP
European Patent Office
Prior art keywords
application
collecting device
discharge
application media
media
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
EP04804843A
Other languages
German (de)
English (en)
Other versions
EP1697060A1 (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 EP1697060A1 publication Critical patent/EP1697060A1/fr
Application granted granted Critical
Publication of EP1697060B1 publication Critical patent/EP1697060B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work

Definitions

  • the invention relates to a device for applying one or both sides of at least two liquid to pasty application media on a running surface, comprising a curtain applicator for applying the application media, wherein the curtain applicator delivers the application media as essentially gravity-induced moving curtains to the moving surface, and the surface in the case of direct application is the surface of a material web, in particular of paper or cardboard, and in the case of indirect application is the surface of a transfer element, for example an applicator roll, which transfers the application media to the surface of the material web.
  • Such curtain applicators with which a plurality of application media can be applied, are generally known from the prior art.
  • the application media are collected together with a tub.
  • the tub is positioned between the curtain applicator and the moving surface so that it is used when starting or stopping the curtain applicator, or to produce uncoated edges on the moving surface. Since the application media are collected together with the tub, they mix in the tub. Therefore, the expensive application media for a further coating can not be used.
  • a separation of the order media from each other is very complex to implement and therefore expensive. Therefore, the mixed order media must be disposed of, resulting in further high costs.
  • the invention has the object to improve a device of the type mentioned in that the application media can be reused in the future after collecting, and no longer need to be disposed of.
  • the invention solves this problem by a curtain applicator of the type mentioned, in which according to the invention between the curtain applicator and the web a catcher for separate collection of each application medium is provided, the curtain applicator and the catcher are relatively movable. Since the collecting device collects the different application media separately, they can no longer mix. They can therefore be used again for another coating process, and no longer need to be disposed of. This reduces both the high acquisition costs for the order media and the disposal costs.
  • At the collecting device can be arranged a drain device. Then the collected application media can be removed from the catcher to again be available for the coating process.
  • the collecting device can be equipped with discharge openings for transferring the application media to the discharge device.
  • the collecting device has bevels arranged above the discharge openings, the application media can be fed via the bevels to the discharge openings.
  • the collecting device can be subdivided into a plurality of mutually adjacent sections, wherein each of the sections receives only one application medium.
  • the mutually adjacent portions of the collecting device may be separated by a separating element. This ensures that the different order media do not mix with each other.
  • the drain openings of the one portion are adjacent to the slopes of the adjacent portion. Then, the application medium received by one of the sections can flow into the drainage holes of this section, and flow under the slopes of the adjacent section adjacent to the drainage holes to be supplied to the drainage device.
  • the bevels thus fulfill another function in that they can intersect different application media without the intersecting application media mixing with one another.
  • the discharge device can have a drainage plate, at the end of which a separate discharge channel is arranged for each application medium.
  • the flow sheet can have at least one separate channel for each application medium.
  • the gutters of the drainage plate can bridge at least one of the adjacent discharge chutes at the end of the drainage plate. Then one of the application media, which is guided in the bridging channel of the drainage plate, crosses at the transition from the drainage plate into the discharge channel of at least one of the other application media. By this crossing a mixing of the two order media is safely excluded.
  • the gutters are separated by a metal sheet.
  • the drainage plate may have a slope in order to remove the application media as quickly as possible.
  • a satisfactory discharge flow is provided with a Gradient of at least five degrees.
  • the application media can preferably be removed to the side where the drives are placed. Then, from the other side, where there is a driver's cab, the device can be freely surveyed by the operator of the driver's cab. In principle, however, the application media can be removed on both sides of the device.
  • the collecting device and the drainage device can be formed in one piece. As a result, the entire unit of collecting device and drain device is very dimensionally stable, so that a reliable flow of the application media is given.
  • the collecting device and the drainage device are separate components. Then, only the catcher needs to be moved to begin or end the coating process. The drainage device and associated with it discharge tubes can then stand so that a total of a smaller mass is to move. In this case, only a smaller drive is required for the catcher. In addition, the catcher can be moved faster under the curtain or moved away under the curtain when the mass to be moved is smaller.
  • the collecting device can have two sections, which can be moved in the longitudinal direction of the material web in opposite directions. Then minimal mixing of the application media is absolutely excluded when the coating process is started or terminated. However, a minimal mixing of the application media occurs when the sections are moved in the same direction at the beginning or end of the coating process.
  • the separating element arranged between the sections may comprise a deflection device for deflecting the Have application media in the designated sections. Then, at the beginning or at the end of the coating process, a minimal mixing of the application media is reliably ruled out because the deflection device deflects the respective application medium into the section provided during the process of the collecting device.
  • the deflecting device is pivotable, so that it can be pivoted according to the direction of movement and the traversed travel path in order to guide the application medium optimally in the section provided for this purpose.
  • the application media can also be collected when the material web is torn off. Since the movable catcher can not be moved quickly enough under a curtain in a demolition of the web, the lower catcher is particularly advantageous.
  • the application media can also be collected separately with the lower collecting device.
  • the lower collecting device has a separate channel for each application medium in order to be able to collect the application media separately.
  • the channels can be separated from one another, for example by separating elements.
  • Fig. 1 shows a device 10 for applying two a curtain 11 and 12 forming application media.
  • the application media are applied to the material web 102 by means of a curtain applicator 13 extending transversely across a material web 102 to be coated, here in a direct manner.
  • Under the curtains 11 and 12 is a two sections 14 and 15 also having, as the applicator 13 is arranged in the transverse direction Q extending catcher 16.
  • the collecting device 16 catches the application media forming the curtains 11 and 12 with the sections 14 and 15 separately. Since the catcher 16 catches each application medium separately, the application media can not mix.
  • the trapped application media pass from the collecting device 16 to a drainage device 17 extending in the longitudinal direction of the material web 102.
  • the drainage device 17 removes the collected application media, so that they can be used again for the further coating process.
  • the drainage device 17 has a drainage plate 18, at the end of which separate discharge channels 19 and 100 are arranged for each application medium. In order to remove the application media as quickly as possible, the flow plate 18 on a slope.
  • the collecting device 16 arranged above the material web 102 can be moved in the longitudinal direction of the material web 102.
  • the collecting device 16 and the drainage device 17 are integrally formed. Then the collecting device 16 and the drain device 17 can be moved together.
  • the curtain application unit 13 can be moved along the material web 102, so that the collecting device 16 and the discharge device 17 do not have to be moved at the beginning or at the end of the coating process.
  • a lower collecting device 101 is arranged below the material web 102.
  • the lower collecting device 101 catches the application media after a tear in the material web 102.
  • the lower collecting device 101 it is also preferable to collect a plurality of application media separately.
  • the lower collecting device 101 can be equipped with a separate channel for each application medium.
  • Fig. 2 shows a specific embodiment of a collecting device 20 and a discharge device 21.
  • a dotted shown application medium 22 and a dashed line shown application medium 23 fall from a curtain applicator 204 in the two in the direction of the web in succession arranged sections 24 and 25 having collecting device 20.
  • the sections 24 and 25 have a separating element 28 in order to prevent a mixing of the application media 22 and 23.
  • the sections 24 and 25 are provided with drain openings 26. Through the discharge openings 26, the application media 22 and 23 can be passed to the drain device 21.
  • the sections 24 and 25 are equipped with bevels 27.
  • the bevels 27 pass the application media 22 and 23 to the drainage openings 26 on.
  • the application medium 22 falling into the section 24 can flow below the slopes 27 of the adjacent section 25 to the drain device 21.
  • the bevels 27 thus fulfill a further function by allowing the application media 22 and 23 to intersect without the intersecting application media 22 and 23 intermingling.
  • arch form may also be present.
  • the drain device 21 has a drainage plate 201.
  • the drainage plate 201 is provided with grooves 29, in which the application medium 22 expires, and with grooves 200, in which the application medium 23 expires.
  • each of the application media 22 and 23 can be discharged separately.
  • Abgradrinnen 202 and 203 are provided, in which the application media 22 and 23 are discharged separately.
  • the channels 200 which run in the direction of travel L of the material web 102, bridge the discharge channel 202 extending in the transverse direction Q.
  • the application medium 23 crosses the application medium 22 during the transition from the drainage plate 201 into the discharge channel 203. This mixing results in a mixing of the two application media safely excluded.
  • the discharge channels 202 and 203 guide the application media 22 and 23 transversely to the longitudinal direction of the material web 102.
  • Abgradschläuche 205 are connected, through which the application media 22 and 23 are fed to a reservoir.
  • FIG. 3 furthermore shows a device 10 in which the discharge channels 19, 100, 202, 203, viewed in the transverse direction of the device 10, are arranged next to each other.
  • Each of these Abgradrinnen 19, 100, 202, 203 takes separated from each other, the captured from the respective section 14, 15, 24, 25 of the collecting device 16, 20 and to the drain plates 18 and 201 further given application medium 22, 23, from where it is discharged outside the device 10.

Landscapes

  • Coating Apparatus (AREA)
  • Massaging Devices (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Eye Examination Apparatus (AREA)

Claims (21)

  1. Dispositif (10) pour l'application d'un côté ou des deux côtés d'au moins deux milieux d'enduction fluides à pâteux (22, 23) sur une surface en mouvement, présentant un dispositif d'enduction en rideau (13, 204) pour l'application des milieux d'enduction (22, 23), le dispositif d'enduction en rideau (13, 204) distribuant sur la surface en mouvement les milieux d'enduction (22, 23) sous forme de rideaux (11, 12) se déplaçant essentiellement sous l'effet de la force de pesanteur, et la surface, dans le cas de l'enduction directe, étant la surface d'une bande de matériau (102), notamment en papier ou en carton, et dans le cas de l'enduction indirecte, étant la surface d'un élément de transfert, par exemple un rouleau d'enduction, qui transfère les milieux d'enduction à la surface de la bande de matériau (102), caractérisé en ce que l'on prévoit entre le dispositif d'enduction en rideau (13, 204) et la bande de matériau (102), un dispositif de collecte (16, 20) pour recueillir séparément chaque milieu d'enduction (22, 23), le dispositif d'enduction en rideau (13, 204) et le dispositif de collecte (16, 20) pouvant se déplacer l'un par rapport à l'autre.
  2. Dispositif (10) selon la revendication 1, caractérisé en ce qu'un dispositif d'écoulement (17, 21) est associé au dispositif de collecte (16, 20).
  3. Dispositif (10) selon la revendication 2, caractérisé en ce que le dispositif de collecte (16, 20) présente des ouvertures d'écoulement (26) pour transmettre les milieux d'enduction (22, 23) au dispositif d'écoulement (17, 21).
  4. Dispositif (10) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de collecte (16, 20) est pourvu de parties en pente (27) disposées au-dessus des ouvertures d'écoulement (26) pour conduire les milieux d'enduction (22, 23) aux ouvertures d'écoulement (26).
  5. Dispositif (10) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le dispositif de collecte (16, 20) est divisé en plusieurs portions (14, 15, 24, 25) adjacentes, chacune des portions (14, 15, 24, 25) ne recevant qu'un milieu d'enduction (22, 23).
  6. Dispositif (10) selon la revendication 5, caractérisé en ce que les portions (14, 15, 24, 25) adjacentes sont séparées les unes des autres par un élément de séparation (28).
  7. Dispositif (10) selon la revendication 5, caractérisé en ce que les portions (14, 15, 24, 25) adjacentes sont réalisées sous forme de rigoles avec des surfaces de paroi longitudinale courbes qui sont mises bout à bout dans la direction transversale de la machine et forment ainsi l'élément de séparation (28).
  8. Dispositif (10) selon la revendication 5 ou 6, caractérisé en ce que les ouvertures d'écoulement (26) d'une portion (14, 15, 24, 25) sont décalées par rapport aux ouvertures d'écoulement (26) de la portion (14, 15, 24, 25) adjacente.
  9. Dispositif (10) selon l'une quelconque des revendications 2 à 8, caractérisé en ce que le dispositif d'écoulement (17, 21) présente une tôle d'écoulement (18, 201) à l'extrémité de laquelle est disposée une rigole d'évacuation (19, 100, 202, 203) séparée pour chaque milieu d'enduction (22, 23).
  10. Dispositif (10) selon la revendication 9, caractérisé en ce que la tôle d'écoulement (18, 201) présente au moins une rigole séparée (29, 200) pour chaque milieu d'enduction (22, 23).
  11. Dispositif (10) selon la revendication 10, caractérisé en ce qu'au moins une rigole (200) de la tôle d'écoulement (201) recouvre au moins l'une des rigoles d'évacuation (19, 202).
  12. Dispositif (10) selon la revendication 10, caractérisé en ce que les rigoles d'évacuation (19, 100, 202, 203), vues dans la direction transversale du dispositif (10), sont disposées les unes à côté des autres et chacune de ces rigoles d'évacuation (19, 100, 202, 203) reçoit séparément le milieu d'enduction (22, 23) provenant de la portion respective (14, 15, 24, 25) du dispositif de collecte (16, 20) et le distribue vers l'extérieur du dispositif (10).
  13. Dispositif (10) selon la revendication 10 ou 11, caractérisé en ce que les rigoles (29, 200) sont fabriquées séparément les unes des autres ou se composent d'une succession en rangée de rigoles de sections transversales de formes quelconques.
  14. Dispositif (10) selon l'une quelconque des revendications 9 à 13, caractérisé en ce que la tôle d'écoulement (18, 201) ou la rigole (29, 200) et au moins la rigole d'évacuation (100) présentent une pente.
  15. Dispositif (10) selon l'une quelconque des revendications 2 à 14, caractérisé en ce que les milieux d'enduction (22, 23) peuvent être évacués vers le côté au niveau duquel sont disposés les entraînements (côté d'entraînement).
  16. Dispositif (10) selon l'une quelconque des revendications 2 à 15, caractérisé en ce que le dispositif de collecte (16, 20) et le dispositif d'écoulement (17, 21) sont réalisés d'une seule pièce.
  17. Dispositif (10) selon l'une quelconque des revendications 2 à 16, caractérisé en ce que le dispositif de collecte (16, 20) et le dispositif d'écoulement (17, 21) sont des composants séparés.
  18. Dispositif (10) selon l'une quelconque des revendications 5 à 17, caractérisé en ce que le dispositif de collecte (16, 20) présente deux portions (14, 15, 24, 25) qui peuvent être déplacées dans la direction longitudinale de la bande de matériau (102) dans des directions opposées.
  19. Dispositif (10) selon l'une quelconque des revendications 1 à 17, caractérisé en ce qu'un dispositif de collecte inférieur (101) est disposé sous la bande de matériau (102).
  20. Dispositif (10) selon la revendication 19, caractérisé en ce que les milieux d'enduction (22, 23) peuvent être recueillis séparément avec le dispositif de collecte inférieur (101).
  21. Dispositif (10) selon la revendication 20, caractérisé en ce que le dispositif de collecte inférieur (101) présente une rigole séparée pour chaque milieu d'enduction (22, 23).
EP04804843A 2003-12-17 2004-12-15 Dispositif d'application Not-in-force EP1697060B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10359122A DE10359122A1 (de) 2003-12-17 2003-12-17 Auftragsvorrichtung
PCT/EP2004/053490 WO2005058511A1 (fr) 2003-12-17 2004-12-15 Dispositif d'application

Publications (2)

Publication Number Publication Date
EP1697060A1 EP1697060A1 (fr) 2006-09-06
EP1697060B1 true EP1697060B1 (fr) 2007-07-18

Family

ID=34672833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804843A Not-in-force EP1697060B1 (fr) 2003-12-17 2004-12-15 Dispositif d'application

Country Status (7)

Country Link
US (1) US7673581B2 (fr)
EP (1) EP1697060B1 (fr)
JP (1) JP4548796B2 (fr)
CN (1) CN100479927C (fr)
AT (1) ATE367212T1 (fr)
DE (2) DE10359122A1 (fr)
WO (1) WO2005058511A1 (fr)

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DE102007000775A1 (de) 2007-09-27 2009-04-02 Voith Patent Gmbh Auftragsvorrichtung
DE102007000778A1 (de) * 2007-09-27 2009-04-02 Voith Patent Gmbh Auftragsvorrichtung und Verfahren zum Betreiben einer Auftragsvorrichtung
JP5076215B2 (ja) * 2007-12-05 2012-11-21 ボイス パテント ゲーエムベーハー カーテンコータの運転方法
JP2011050817A (ja) * 2009-08-31 2011-03-17 Voith Patent Gmbh カーテン塗工装置およびカーテン塗工方法
US10500020B2 (en) 2014-06-06 2019-12-10 3M Innovative Properties Company Device for powder based additive material manufacturing of dental appliances
CN110679695A (zh) * 2019-10-30 2020-01-14 海宁纪亨保健食品有限公司 一种姜茶的加工系统

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Also Published As

Publication number Publication date
ATE367212T1 (de) 2007-08-15
US7673581B2 (en) 2010-03-09
WO2005058511A1 (fr) 2005-06-30
EP1697060A1 (fr) 2006-09-06
DE502004004397D1 (de) 2007-08-30
CN100479927C (zh) 2009-04-22
DE10359122A1 (de) 2005-07-14
CN1890030A (zh) 2007-01-03
JP2007514530A (ja) 2007-06-07
JP4548796B2 (ja) 2010-09-22
US20070144432A1 (en) 2007-06-28

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