EP1697060B1 - Application device - Google Patents

Application device 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
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EP
European Patent Office
Prior art keywords
application
collecting device
discharge
application media
media
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Not-in-force
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EP04804843A
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German (de)
French (fr)
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EP1697060A1 (en
Inventor
Manfred Ueberschär
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Voith Patent GmbH
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Voith Patent GmbH
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Publication of EP1697060A1 publication Critical patent/EP1697060A1/en
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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
    • 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.

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

Abstract

A device for the application of at least two liquid to pasty application media to one or both sides of a moving surface, having a curtain applicator for applying the application media. The curtain applicator discharges the application media onto the moving surface as curtains moving substantially under the force of gravity, and the moving surface being one of a surface of a material web and a surface of a transfer element, which transfers the application media to the surface of the material web. The device includes a collecting device for the separate collection of each application medium. The collecting device being positionable between the curtain applicator and the material web. The curtain applicator and the collecting device being movable relative to each other.

Description

Die Erfindung betrifft eine Vorrichtung zum ein- oder beidseitigen Auftragen von mindestens zwei flüssigen bis pastösen Auftragsmedien auf eine laufende Oberfläche, aufweisend ein Vorhangauftragswerk zum Auftragen der Auftragsmedien, wobei das Vorhangauftragswerk die Auftragsmedien als sich im wesentlichen schwerkraftbedingt bewegende Vorhänge an die laufende Oberfläche abgibt, und die Oberfläche bei direktem Auftrag die Oberfläche einer Materialbahn, insbesondere aus Papier oder Karton, und bei indirektem Auftrag die Oberfläche eines Übertragungselementes, beispielsweise eine Auftragswalze ist, welches die Auftragsmedien auf die Oberfläche der Materialbahn überträgt.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.

Das Dokument US 2002 066 404 offenbart der Oberbegriff des Anspruchs 1.The document US 2002 066 404 discloses the preamble of claim 1.

Solche Vorhangauftragswerke, mit denen mehrere Auftragsmedien aufgebracht werden können, sind allgemein aus dem Stand der Technik bekannt. Bei diesen bekannten Vorhangauftragswerken werden die Auftragsmedien mit einer Wanne gemeinsam aufgefangen. Die Wanne ist zwischen dem Vorhangauftragswerk und der laufenden Oberfläche angeordnet, so dass sie beim Anfahren oder Abstellen des Vorhangauftragswerks, oder zur Erzeugung von unbeschichteten Rändern auf der laufenden Oberfläche verwendet wird. Da die Auftragsmedien gemeinsam mit der Wanne aufgefangen werden, vermischen sie sich in der Wanne. Deshalb können die teuren Auftragsmedien für eine weitere Beschichtung nicht mehr verwendet werden. Eine Trennung der Auftragsmedien voneinander ist nur sehr aufwändig zu realisieren und somit teuer. Deshalb müssen die vermischten Auftragsmedien entsorgt werden, wodurch weitere hohe Kosten anfallen.Such curtain applicators, with which a plurality of application media can be applied, are generally known from the prior art. In these known curtain applicators 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.

Die Erfindung hat die Aufgabe, eine Vorrichtung der eingangs genannten Art dahingehend zu verbessern, dass die Auftragsmedien zukünftig nach dem Auffangen jeweils wieder verwendet werden können, und nicht mehr entsorgt werden müssen.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.

Die Erfindung löst die gestellte Aufgabe durch ein Vorhangauftragswerk der eingangs genannten Art, bei dem erfindungsgemäß zwischen dem Vorhangauftragswerk und der Materialbahn eine Auffangeinrichtung zum separaten Auffangen jedes Auftragsmediums vorgesehen ist, wobei das Vorhangauftragswerk und die Auffangeinrichtung relativ zueinander bewegbar sind. Da die Auffangeinrichtung die verschiedenen Auftragsmedien separat auffängt, können sich diese nicht mehr vermischen. Sie können deshalb für einen weiteren Beschichtungsvorgang wieder verwendet werden, und müssen nicht mehr entsorgt werden. Dadurch werden sowohl die hohen Anschaffungskosten für die Auftragsmedien reduziert, als auch die Entsorgungskosten eingespart.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.

An der Auffangeinrichtung kann eine Ablaufeinrichtung angeordnet sein. Dann können die aufgefangenen Auftragsmedien von der Auffangeinrichtung abgeführt werden, um wieder erneut für den Beschichtungsvorgang zur Verfügung zu stehen.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.

Um die Auftragsmedien von der Auffangeinrichtung an die Ablaufeinrichtung weiterleiten zu können, kann die Auffangeinrichtung mit Ablauföffnungen zur Weitergabe der Auftragsmedien an die Ablaufeinrichtung ausgestattet sein.In order to be able to forward the application media from the collecting device to the discharge device, the collecting device can be equipped with discharge openings for transferring the application media to the discharge device.

Wenn die Auffangeinrichtung oberhalb der Ablauföffnungen angeordnete Schrägen aufweist, können die Auftragsmedien über die Schrägen den Ablauföffnungen zugeleitet werden.If the collecting device has bevels arranged above the discharge openings, the application media can be fed via the bevels to the discharge openings.

Damit die Auftragsmedien von der Auffangeinrichtung separat aufgefangen werden können, kann die Auffangeinrichtung in mehrere zueinander benachbarte Abschnitte unterteilt sein, wobei jeder der Abschnitte nur ein Auftragsmedium aufnimmt.So that the application media can be collected separately from the collecting device, the collecting device can be subdivided into a plurality of mutually adjacent sections, wherein each of the sections receives only one application medium.

Die zueinander benachbarten Abschnitte der Auffangeinrichtung können durch ein Trennelement voneinander getrennt sein. Somit ist sichergestellt, dass sich die verschiedenen Auftragsmedien nicht miteinander vermischen.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.

Die Ablauföffnungen des einen Abschnittes sind zu den Schrägen des benachbarten Abschnittes benachbart. Dann kann das von einem der Abschnitte aufgenommene Auftragsmedium in den Ablauföffnungen dieses Abschnittes abfließen, und unter den zu den Ablauföffnungen benachbarten Schrägen des benachbarten Abschnittes hindurchfließen, um der Ablaufeinrichtung zugeführt zu werden. Die Schrägen erfüllen auf diese Weise eine weitere Funktion, indem sich durch sie verschiedene Auftragsmedien kreuzen können, ohne dass sich die kreuzenden Auftragsmedien miteinander vermischen.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.

Um die von der Auffangeinrichtung kommenden Auftragsmedien separat abführen zu können, kann die Ablaufeinrichtung ein Ablaufblech aufweisen, an dessen Ende für jedes Auftragsmedium eine separate Abführrinne angeordnet ist.In order to be able to discharge the application media coming from the collecting device separately, the discharge device can have a drainage plate, at the end of which a separate discharge channel is arranged for each application medium.

Damit sich die verschiedenen Auftragsmedien nicht auf dem Ablaufblech miteinander vermischen können, kann das Ablaufblech für jedes Auftragsmedium mindestens eine separate Rinne aufweisen.So that the different application media can not mix with one another on the flow sheet, the flow sheet can have at least one separate channel for each application medium.

Die Rinnen des Ablaufbleches können mindestens eine der nebeneinander liegenden Abführrinnen am Ende des Ablaufbleches überbrücken. Dann kreuzt eines der Auftragsmedien, das in der überbrückenden Rinne des Ablaufbleches geführt wird, beim Übergang vom Ablaufblech in die Abführrinne mindestens eines der anderen Auftragsmedien. Durch diese Kreuzung ist eine Vermischung der beiden Auftragsmedien sicher ausgeschlossen.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.

Um eine Vermischung der Auftragsmedien auf dem Ablaufblech sicher auszuschließen, ist es vorteilhaft, wenn die Rinnen durch ein Blech voneinander getrennt sind.In order to reliably exclude a mixing of the application media on the flow sheet, it is advantageous if the gutters are separated by a metal sheet.

Das Ablaufblech kann ein Gefälle aufweisen, um die Auftragsmedien möglichst schnell abführen zu können. Ein zufriedenstellender Abführstrom wird mit einem Gefälle von mindestens fünf Grad erreicht.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.

Die Auftragsmedien können bevorzugt zu der Seite, an der Antriebe platziert sind, abgeführt werden. Dann kann von der anderen Seite, an der sich ein Führerstand befindet, die Vorrichtung vom Bedienpersonal des Führerstandes frei überschaut werden. Grundsätzlich können jedoch die Auftragsmedien zu beiden Seiten der Vorrichtung abgeführt werden.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.

Die Auffangeinrichtung und die Ablaufeinrichtung können einstückig ausgebildet sein. Dadurch wird die gesamte Einheit aus Auffangeinrichtung und Ablaufeinrichtung sehr formstabil, sodass ein zuverlässiger Ablauf der Auftragsmedien gegeben ist.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.

In einer anderen Ausführungsform ist es jedoch auch möglich, dass die Auffangeinrichtung und die Ablaufeinrichtung separate Bauteile sind. Dann muss nur die Auffangeinrichtung bewegt werden, um den Beschichtungsvorgang zu beginnen oder zu beenden. Die Ablaufeinrichtung und mit ihr verbundene Abführschläuche können dann also stehen bleiben, sodass insgesamt eine kleinere Masse zu bewegen ist. In diesem Fall ist für die Auffangeinrichtung nur ein kleinerer Antrieb erforderlich. Außerdem kann die Auffangeinrichtung schneller unter den Vorhang verfahren werden oder unter dem Vorhang weggefahren werden, wenn die zu bewegende Masse kleiner ist.In another embodiment, however, it is also possible that 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.

Die Auffangeinrichtung kann zwei Abschnitte aufweisen, die in Längsrichtung der Materialbahn in entgegengesetzte Richtungen verfahren werden können. Dann ist eine minimale Vermischung der Auftragsmedien absolut ausgeschlossen, wenn der Beschichtungsvorgang begonnen oder beendet wird. Eine minimale Vermischung der Auftragsmedien tritt jedoch auf, wenn die Abschnitte zum Beginn oder zum Ende des Beschichtungsvorganges in derselben Richtung verfahren werden.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.

In einer besonderen Ausführungsform kann das zwischen den Abschnitten angeordnete Trennelement eine Umlenkeinrichtung zur Umlenkung der Auftragsmedien in die vorgesehenen Abschnitte aufweisen. Dann ist zu Beginn oder zum Ende des Beschichtungsvorganges eine minimale Vermischung der Auftragsmedien sicher ausgeschlossen, weil die Umlenkeinrichtung während des Verfahrens der Auffangeinrichtung das jeweilige Auftragsmedium in den dafür vorgesehenen Abschnitt umlenkt. Vorteilhafterweise ist die Umlenkeinrichtung verschwenkbar, so dass sie abhängig von der Bewegungsrichtung und dem zurückgelegten Verfahrweg entsprechend verschwenkt werden kann, um das Auftragsmedium optimal in den dafür vorgesehenen Abschnitt zu leiten.In a particular embodiment, 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. Advantageously, 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.

Wenn unter der Materialbahn eine untere Auffangeinrichtung vorgesehen ist, können die Auftragsmedien auch bei einem Abriss der Materialbahn aufgefangen werden. Da die verfahrbare Auffangeinrichtung bei einem Abriss der Materialbahn nicht schnell genug unter den Vorhang verfahren werden kann, ist die untere Auffangeinrichtung besonders vorteilhaft.If a lower collecting device is provided below the material web, 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.

In einer Weiterbildung der Erfindung können mit der unteren Auffangeinrichtung die Auftragsmedien ebenfalls separat aufgefangen werden.In a further development of the invention, the application media can also be collected separately with the lower collecting device.

In einer bevorzugten Ausführungsform weist die untere Auffangeinrichtung für jedes Auftragsmedium eine separate Rinne auf, um die Auftragsmedien separat auffangen zu können.In a preferred embodiment, the lower collecting device has a separate channel for each application medium in order to be able to collect the application media separately.

Um eine unerwünschte Vermischung der Auftragsmedien sicher auszuschließen, können die Rinnen beispielsweise durch Trennelemente voneinander getrennt sein.In order to reliably exclude undesired mixing of the application media, the channels can be separated from one another, for example by separating elements.

Nachfolgend werden Ausführungsbeispiele einer erfindungsgemäßen Vorrichtung anhand der beiliegenden Zeichnung näher erläutert.Embodiments of a device according to the invention will be explained in more detail with reference to the accompanying drawings.

Im Einzelnen zeigen:

Fig. 1
eine schematische Ansicht auf die erfindungsgemäße Vorrichtung;
Fig. 2
eine perspektivische Ansicht auf ein Vorhangauftragswerk mit einer Ablaufeinrichtung.
In detail show:
Fig. 1
a schematic view of the device according to the invention;
Fig. 2
a perspective view of a curtain applicator with a drain device.

Fig. 1 zeigt eine Vorrichtung 10 zum Auftragen zweier einen Vorhang 11 und 12 bildenden Auftragsmedien. Die Auftragsmedien werden mittels eines sich quer über eine zu beschichtende Materialbahn 102 erstreckenden Vorhangauftragswerks 13 auf die Materialbahn 102 - hier in direkter Weise - aufgebracht. Unter den Vorhängen 11 und 12 ist eine zwei Abschnitte 14 und 15 aufweisende ebenfalls, wie das Auftragswerk 13 sich in Querrichtung Q erstreckende Auffangeinrichtung 16 angeordnet. Die Auffangeinrichtung 16 fängt die die Vorhänge 11 und 12 bildenden Auftragsmedien mit den Abschnitten 14 und 15 separat auf. Da die Auffangeinrichtung 16 jedes Auftragsmedium separat auffängt, können sich die Auftragsmedien nicht vermischen. Die aufgefangenen Auftragsmedien gelangen von der Auffangeinrichtung 16 zu einer sich in Längsrichtung der Materialbahn 102 erstreckenden Ablaufeinrichtung 17. Die Ablaufeinrichtung 17 führt die aufgefangenen Auftragsmedien ab, damit diese wieder für den weiteren Beschichtungsvorgang verwendet werden können. Die Ablaufeinrichtung 17 weist ein Ablaufblech 18 auf, an dessen Ende für jedes Auftragsmedium separate Abführrinnen 19 und 100 angeordnet sind. Um die Auftragsmedien möglichst schnell abführen zu können, weist das Ablaufblech 18 ein Gefälle auf.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.

Zu Beginn oder zum Ende eines Beschichtungsvorganges kann die über der Materialbahn 102 angeordnete Auffangeinrichtung 16 in Längsrichtung der Materialbahn 102 verfahren werden. In einer weiteren Ausführungsform ist es auch möglich, dass die Auffangeinrichtung 16 und die Ablaufeinrichtung 17 einstückig ausgebildet sind. Dann können die Auffangeinrichtung 16 und die Ablaufeinrichtung 17 gemeinsamen verfahren werden. In einer anderen Ausführungsform kann das Vorhangauftragswerk 13 entlang der Materialbahn 102 verfahren werden, so dass die Auffangeinrichtung 16 und die Ablaufeinrichtung 17 zu Beginn oder zum Ende des Beschichtungsvorganges nicht bewegt werden müssen.At the beginning or at the end of a coating process, the collecting device 16 arranged above the material web 102 can be moved in the longitudinal direction of the material web 102. In a further embodiment, it is also possible that 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. In another embodiment, 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.

Unterhalb der Materialbahn 102 ist eine untere Auffangeinrichtung 101 angeordnet. Die untere Auffangeinrichtung 101 fängt die Auftragsmedien nach einem Abriss der Materialbahn 102 auf. Mit der unteren Auffangeinrichtung 101 können bevorzugt ebenfalls mehrere Auftragsmedien separat aufgefangen werden. Zu diesem Zweck kann die untere Auffangeinrichtung 101 für jedes Auftragsmedium mit einer separaten Rinne ausgestattet sein.Below the material web 102, a lower collecting device 101 is arranged. The lower collecting device 101 catches the application media after a tear in the material web 102. With the lower collecting device 101, it is also preferable to collect a plurality of application media separately. For this purpose, the lower collecting device 101 can be equipped with a separate channel for each application medium.

Fig. 2 zeigt eine bestimmte Ausführungsform einer Auffangeinrichtung 20 und einer Ablaufeinrichtung 21. Ein punktiert dargestelltes Auftragsmedium 22 und ein gestrichelt dargestelltes Auftragsmedium 23 fallen von einem Vorhangauftragswerk 204 in die zwei in Laufrichtung der Materialbahn hintereinander angeordneten Abschnitte 24 und 25 aufweisende Auffangeinrichtung 20. Die Abschnitte 24 und 25 weisen ein Trennelement 28 auf, um eine Vermischung der Auftragsmedien 22 und 23 zu verhindern. Außerdem sind die Abschnitte 24 und 25 mit Ablauföffnungen 26 versehen. Durch die Ablauföffnungen 26 können die Auftragsmedien 22 und 23 an die Ablaufeinrichtung 21 weitergegeben werden. Die Abschnitte 24 und 25 sind mit Schrägen 27 ausgestattet. Die Schrägen 27 leiten die Auftragsmedien 22 und 23 an die Ablauföffnungen 26 weiter. Außerdem kann das Auftragsmedium 22, das in den Abschnitt 24 fällt unter den Schrägen 27 des benachbarten Abschnitts 25 hindurch zur Ablaufeinrichtung 21 fließen. Die Schrägen 27 erfüllen somit eine weitere Funktion, indem sie es ermöglichen, dass sich die Auftragsmedien 22 und 23 kreuzen können, ohne dass sich die kreuzenden Auftragsmedien 22 und 23 miteinander vermischen. Anstelle der Schrägen kann natürlich auch Bogenform vorhanden sein.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. In addition, 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. In addition, 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. Of course, instead of the bevels, arch form may also be present.

Die Ablaufeinrichtung 21 weist ein Ablaufblech 201 auf. Das Ablaufblech 201 ist mit Rinnen 29, in denen das Auftragsmedium 22 abläuft, und mit Rinnen 200, in denen das Auftragsmedium 23 abläuft, versehen. Somit kann jedes der Auftragsmedien 22 und 23 separat abgeführt werden. Am Ende des Ablaufbleches 201 sind Abführrinnen 202 und 203 vorgesehen, in denen die Auftragsmedien 22 und 23 separat abgeführt werden.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. Thus, each of the application media 22 and 23 can be discharged separately. At the end of the drain plate 201 Abführrinnen 202 and 203 are provided, in which the application media 22 and 23 are discharged separately.

Die Rinnen 200, die in Laufrichtung L der Materialbahn 102 verlaufen, überbrücken die sich in Querrichtung Q erstreckende Abführrinne 202. Somit kreuzt das Auftragsmedium 23 beim Übergang vom Ablaufblech 201 in die Abführrinne 203 das Auftragsmedium 22. Durch diese Kreuzung ist eine Vermischung der beiden Auftragsmedien sicher ausgeschlossen.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. Thus, 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.

Die Abführrinnen 202 und 203 führen die Auftragsmedien 22 und 23 quer zur Längsrichtung der Materialbahn 102 ab. An die Abführrinnen 202 und 203 können (hier nur in Figur 3 angedeutete) Abführschläuche 205 angeschlossen werden, durch die die Auftragsmedien 22 und 23 einem Vorratsbehälter zugeführt werden.The discharge channels 202 and 203 guide the application media 22 and 23 transversely to the longitudinal direction of the material web 102. To the Abführrinnen 202 and 203 (here only in Figure 3 indicated) Abführschläuche 205 are connected, through which the application media 22 and 23 are fed to a reservoir.

Figur 3 zeigt darüber hinaus eine Vorrichtung 10 bei der die Abführrinnen 19, 100, 202, 203 in Querrichtung der Vorrichtung 10 gesehen, nebeneinander angeordnet sind. Jede dieser Abführrinnen 19, 100, 202, 203 nimmt getrennt voneinander, das vom jeweiligen Abschnitt 14, 15, 24, 25 der Auffangeinrichtung 16, 20 aufgefangene und an die Ablaufbleche 18 bzw. 201 weiter gegebene Auftragsmedium 22, 23 auf, von wo aus es nach außerhalb der Vorrichtung 10 abgegeben wird.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 Abführrinnen 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.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Vorrichtungcontraption
11, 1211, 12
Vorhangcurtain
13, 20413, 204
VorhangauftragswerkCurtain applicator
102102
Materialbahnweb
14, 15, 24, 2514, 15, 24, 25
Abschnittsection
16, 2016, 20
Auffangeinrichtungcatcher
17,2117.21
Ablaufeinrichtungoff device
18, 20118, 201
Ablaufblechflow sheet
19, 100, 202, 20319, 100, 202, 203
Abführrinnedischarge chute
101101
untere Auffangeinrichtunglower catcher
22, 2322, 23
Auftragsmediumapplication medium
2626
Ablauföffnungdrain hole
2727
Schrägeslope
29, 20029, 200
Rinnegutter
LL
Längsrichtunglongitudinal direction
QQ
Querrichtungtransversely

Claims (21)

  1. Device (10) for the application of at least two liquid to pasty application media (22, 23) to one or both sides of a moving surface, having a curtain applicator (13, 204) for applying the application media (22, 23), the curtain applicator (13, 204) discharging the application media (22, 23) onto the moving surface as curtains (11, 12) moving substantially under the force of gravity, and the surface in the case of direct application being the surface of a material web (102), in particular of paper or board, and in the case of indirect application being the surface of a transfer element, for example an applicator roll, which transfers the application media to the surface of the matieral web (102), characterized in that a collecting device (16, 20) for the separate collection of each application medium (22, 23) is provided between the curtain applicator (13, 204) and the material web (102), it being possible for the curtain applicator (13, 204) and the collecting device (16, 20) to be moved relative to each other.
  2. Device (10) according to Claim 1, characterized in that the collecting device (16, 20) is assigned a discharge device (17, 21).
  3. Device (10) according to Claim 2, characterized in that the collecting device (16, 20) has discharge openings (26) to pass on the application media (22, 23) to the discharge device (17, 21).
  4. Device (10) according to one of Claims 1 to 3, characterized in that the collecting device (16, 20) is provided with inclines (27) arranged above the discharge openings (26), in order to lead the application media (22, 23) to the discharge openings (26).
  5. Device (10) according to one of Claims 1 to 4, characterized in that the collecting device (16, 20) is subdivided into a plurality of mutually adjacent sections (14, 15, 24, 25), each of the sections (14, 15, 24, 25) holding only one application medium (22, 23).
  6. Device (10) according to Claim 5, characterized in that the mutually adjacent sections (14, 15, 24, 25) are separated from one another by a separating element (28).
  7. Device (10) according to Claim 5, characterized in that the mutually adjacent sections (14, 15, 24, 25) are constructed in the manner of channels with curved longitudinal wall surfaces, which meet one another in the transverse machine direction and thus form the separating element (28).
  8. Device (10) according to Claim 5 or 6, characterized in that the discharge openings (26) of the one section (14, 15, 24, 25) are offset in relation to discharge openings (26) of the adjacent section (14, 15, 24, 25).
  9. Device (10) according to one of Claims 2 to 8, characterized in that the discharge device (17, 21) has a discharge plate (18, 201), at the end of which there is arranged a separate drainage channel (19, 100, 202, 203) for each application medium (22, 23).
  10. Device (10) according to Claim 8, characterized in that the discharge plate (18, 201) has at least one separate channel (29, 200) for each application medium (22, 23).
  11. Device (10) according to Claim 10, characterized in that at least one channel (200) of the discharge plate (201) bridges at least one of the drainage channels (19, 202).
  12. Device (10) according to Claim 10, characterized in that the drainage channels (19, 100, 202, 203), seen in the transverse direction of the device (10), are arranged beside one another and each of these drainage channels (19, 100, 202, 203), separately from one another, picks up the application medium (22, 23) resulting from the respective section (14, 15, 24, 25) of the collecting device (16, 20) and discharges it to the outside of the device (10).
  13. Device (10) according to Claim 10 or 11, characterized in that the channels (29, 200) are fabricated separately from one another or comprise any desired channel cross-sectional shapes lined up in a row.
  14. Device (10) according to one of Claims 9 to 13, characterized in that the discharge plate (18, 201) or the channel (29, 200) and at least the drainage channel (100) has a gradient.
  15. Device (10) according to one of Claims 2 to 14, characterized in that the application media (22, 23) can be carried away to the side on which the drives (drive side) are placed.
  16. Device (10) according to one of Claims 2 to 15, characterized in that the collecting device (16, 20) and the discharge device (17, 21) are formed in one piece.
  17. Device (10) according to one of Claims 2 to 16, characterized in that the collecting device (16, 20) and the discharge device (17, 21) are separate components.
  18. Device (10) according to one of Claims 5 to 17, characterized in that the collecting device (16, 20) has two sections (14, 15, 24, 25) which can be moved in opposite directions in the longitudinal direction of the material web (102).
  19. Device (10) according to one of Claims 1 to 17, characterized in that a lower collecting device (101) is arranged under the material web (102).
  20. Device (10) according to Claim 19, characterized in that the application media (22, 23) can be collected separately by the lower collecting device (101).
  21. Device (10) according to Claim 20, characterized in that the lower collecting device (101) has a separate channel for each application medium (22, 23).
EP04804843A 2003-12-17 2004-12-15 Application device Not-in-force EP1697060B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10359122A DE10359122A1 (en) 2003-12-17 2003-12-17 applicator
PCT/EP2004/053490 WO2005058511A1 (en) 2003-12-17 2004-12-15 Application device

Publications (2)

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

Family

ID=34672833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804843A Not-in-force EP1697060B1 (en) 2003-12-17 2004-12-15 Application device

Country Status (7)

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

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EP3151782B1 (en) 2014-06-06 2018-12-26 3M Innovative Properties Company A device for powder based additive material manufacturing of dental appliances
CN110679695A (en) * 2019-10-30 2020-01-14 海宁纪亨保健食品有限公司 Ginger tea processing system

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Also Published As

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

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