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EP0617168A1 - Dosing element for coating moving webs, especially paper or cardboard - Google Patents

Dosing element for coating moving webs, especially paper or cardboard Download PDF

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Publication number
EP0617168A1
EP0617168A1 EP94102627A EP94102627A EP0617168A1 EP 0617168 A1 EP0617168 A1 EP 0617168A1 EP 94102627 A EP94102627 A EP 94102627A EP 94102627 A EP94102627 A EP 94102627A EP 0617168 A1 EP0617168 A1 EP 0617168A1
Authority
EP
European Patent Office
Prior art keywords
doctor
blade
bed
counter
doctor bed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94102627A
Other languages
German (de)
French (fr)
Other versions
EP0617168B1 (en
Inventor
Richard Bernert
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.)
JM Voith GmbH
Original Assignee
JM Voith GmbH
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Filing date
Publication date
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Publication of EP0617168A1 publication Critical patent/EP0617168A1/en
Application granted granted Critical
Publication of EP0617168B1 publication Critical patent/EP0617168B1/en
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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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
    • 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
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
    • 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
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material

Definitions

  • the invention relates to a metering device according to the preamble of claim 1.
  • a metering device is known from DE-C-28 51 015.
  • Figure 1 the pressure tube pressing the doctor rod is arranged inside the doctor bed.
  • the doctor bed is mounted in a sliding guide of the doctor bed holder.
  • this requires a relatively high level of effort, both in terms of construction and material.
  • the object of the invention is to address a metering device in such a way that a transition between the doctor blade rod and doctor blade is possible in a simple manner, without modification, in particular if a profiled strip and the doctor blade are to be provided with a press hose for pressing the doctor blade.
  • the pressure hose for the doctor rod or the doctor bed in the profile strip, which also carries the tip part at one end for pressing on the doctor blade. This results in an offset line of force between the force of the profile bar, which on the tip part on the Scraper blade acts and the force of the pressure hose, which acts on the doctor bed or on the doctor rod.
  • An angle between these two directions of force is particularly favorable, the line of action of the pressure tube preferably passing exactly through the central axis of the doctor rod and deviating only slightly from the radial of the counter roller passing through the line of contact of the doctor rod with the counter roller.
  • the metering device can preferably be arranged in one of the lower quadrants of the counter roll.
  • FIGS. 18 each representing variants in principle in a side view, with only doctor blade and press hose and possibly - if illustrated - the profile adjustment device of the coating blade, then including profile strip, on average are shown.
  • Fig. 7 a coating device or dosing device is sketched in principle as a whole system.
  • the web of material is guided in the cutout of the metering device or counter roller shown by the counter roller W along the doctor bed 11 which holds the doctor rod 2, which is designed here as a doctor blade rod, and already carries the coating composition.
  • the doctor bed is fixed in a holder or clamp 18, 18 'by means of a slide 17 via a leaf spring 16 holding it.
  • the doctor bed is pressed by means of pressure hose 13 in the direction of the counter roll W, which is held in an extension 14 'of the profile bar 14.
  • the profile bar 14 is in turn slidably mounted in a guide 19.
  • the movement of the web or the counter roller W is indicated by the arrow p, the movement of the profile strip by the double arrow u and the movement of the slide 17 by the double arrow v.
  • the direction of force of the pressure hose 13 extends obliquely to the direction of force of the profile strip including its tip part 15 - which is given by the double arrow u.
  • the tube force is aligned here so that it runs through the center line of the doctor blade rod 2 and deviates only slightly from the radial line drawn on the counter roller W in the line of contact of the doctor blade rod 2.
  • the metering device is preferably pivoted by means of the support arms 71 of the doctor bar 72, which carries the metering device with a swivel radius of at least 500 mm and by means of hydraulic lifting mechanisms 73 (see FIG. 6).
  • the tip part 25 of the profiled strip 24 is arranged at a greater distance from the clamping at 28 'and 34 than the pressure hose 23, which in turn is here in an extension 24'.
  • the profile bar 24 is held.
  • the rod holder 21 consists of the doctor bed 22 and the plate-shaped holding part 26 formed integrally therewith.
  • This holding part is offset or cranked with respect to the rear wall 37 of the doctor bed, insofar as it is present in the area of the doctor rod 2. It is offset by at least its own wall thickness so that the tip part 25 of the profile strip 24 does not abut the doctor bed.
  • the arrangement according to FIG. 4 also essentially shows the doctor bed design 41 corresponding to FIG. 3, here with the clamping at 48 and 48 '.
  • the pressure hose for the doctor rod 2 is held in the doctor bed 42. It is pressed against an extension part 44 of the profile part 45 having the tip part for the coating blade 5.
  • the doctor blade 5 is indicated here, as in FIG. 3, by the dash-dotted line at 5.
  • the offset of the holding plate 46 of the doctor bed is dimensioned sufficiently large so that the front edge of the tip part 45 does not touch the doctor bed.
  • Figure 5 shows the similar again and usual parts like the other figures, in particular the doctor bed 51 according to FIG. 1 with the leaf spring 56 holding it in the clamping 58 and 58 'via pressure hose 57.
  • the leaf spring is clamped in an extension 52 of the doctor bed, which is by means of the extension 60 of the Profile bar 54 held pressure hose 53 is pressed against the web.
  • the guide for the profile part 54 having the tip part 55 for the coating blade 5 is designated 59.
  • the solution chosen here is to make the leaf spring 56 holding the doctor bed quite short, so that the tip part 55 of the profile strip 54 is further away from the clamping 58, 58 'than that Pressure hose 53 and the doctor bed is arranged. This results in a very favorable position of the coating blade 5 against the profile strip 54 pressing the material web and its tip part 55.
  • the adjustment of the profile strip is similar to that already explained in relation to FIG. 3. However, this is only one embodiment, for example, but it can also be used in the other figures.
  • FIG. 1 An arrangement for the so-called bent-blade driving style is shown in FIG. This allows the advantages that both the pressure hose and the profile strip have to be complemented.
  • the profile bar has the advantage of a better or more precise cross profile control, while the pressure hose is relatively insensitive to errors in the paper and an uneven ink supply.
  • the main advantage of this arrangement is, however, that the contact pressure can initially be applied in its basic setting by the relatively rigid profile strip 61, while by means of the hose pressure uninfluenced by other, restricting parameters, the final pressing of the blade can be achieved uniformly over the web width or roller length. Overall, this results in a relatively simple, not very complex construction, which is suitable for retrofitting older systems.
  • the arrangement is such that the extension 64 of the pressure or profile strip 61 holding the pressure hose 63 is provided in the area of the same which is distant from the clamping area of the coating blade 66.
  • the center plane M of the pressing force of the pressure hose 63 can either run in the direction of a radial plane of the counter-roller W or parallel to such a center plane R at a short distance of at most 8 mm.
  • the distribution of the contact forces between the profile strip 61 and the pressure hose 63 can take place approximately in a ratio of 2: 1 in order to have a sufficiently large control range for the contact pressure of the pressure hose 63, but of course there can also be considerable deviations from this.
  • both a doctor blade and a roller doctor guided in a doctor bed can be used, in the latter case a distance between the paper web or Counter-roll facing surface of the holding part 16, 26, 46 or 56 of the doctor bed and a parallel to this, the roll doctor in their area closer to the paper web or the counter roll plane is generally at least 45 mm.

Landscapes

  • Coating Apparatus (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

The invention relates to a metering system for devices for coating running webs of material, especially paper or board, with coating compound. The invention is characterised by the following features: (a) the mounting for a doctor bed or a coating blade is in each case the same; (b) the pressing of the roll doctor (2) carried by the doctor bed against a counter roll (W) or against the material web guided by this is carried out by means of a pressure hose; (c) the pressing of the coating blade is carried out by means of a pointed part (15, 25, 45, 55) of a profile rail (14, 24, 44, 54) extending transversely to the counter roll (W) or material web, which rail is adjustable transversely to the material web or counter roll (W) in sections, to which respectively dedicated adjusting devices (31, 32, 33) are allocated and (d) the engagement lines of the nip forces for the doctor bed on the one hand and the coating blade on the other hand are mutually offset in the direction transverse to the counter roll (W) or material web. <IMAGE>

Description

Die Erfindung betrifft eine Dosiereinrichtung entsprechend dem Oberbegriff des Patentanspruchs 1. Eine solche Einrichtung ist bekannt aus DE-C-28 51 015. Bei dieser Einrichtung ist insbesondere (Figur 1) vorgesehen, daß der den Rakelstab anpressende Preßschlauch innerhalb des Rakelbetts angeordnet ist. Auf diese Weise bleibt bei einem Wechsel bzw. Übergang von einem von einem Rakelbett gehaltenen Rakelstab zu einer Streichklinge die Profilierungsmöglichkeit durch die Profilleiste (Kammleiste) erhalten. Hierbei ist es aber notwendig, daß das Rakelbett in einer Schiebeführung der Rakelbetthalterung gelagert ist. Dies erfordert natürlich einen relativ hohen Aufwand, sowohl hinsichtlich der konstruktiven als auch der werkstoffmäßigen Seite. In anderen Fällen ist es nötig, bei dem Übergang von einem Rakelstab zu einer Streichklinge größere Umbauarbeiten vorzunehmen.The invention relates to a metering device according to the preamble of claim 1. Such a device is known from DE-C-28 51 015. In this device it is provided in particular (Figure 1) that the pressure tube pressing the doctor rod is arranged inside the doctor bed. In this way, the possibility of profiling through the profile strip (comb strip) is retained when changing or transitioning from a doctor rod held by a doctor bed to a doctor blade. Here, however, it is necessary that the doctor bed is mounted in a sliding guide of the doctor bed holder. Of course, this requires a relatively high level of effort, both in terms of construction and material. In other cases, it is necessary to carry out major renovations when changing from a doctor blade to a doctor blade.

Die Aufgabe der Erfindung ist es nun, eine Dosiereinrichtung derart anzugehen, daß ohne Umbauarbeiten auf einfache Weise ein Übergang zwischen Rollrakelstab und Streichklinge möglich ist, insbesondere wenn für die Anpressung der Streichklinge eine Profilleiste und der Rollrakel ein Preßschlauch vorgesehen sein soll.The object of the invention is to address a metering device in such a way that a transition between the doctor blade rod and doctor blade is possible in a simple manner, without modification, in particular if a profiled strip and the doctor blade are to be provided with a press hose for pressing the doctor blade.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teils des Patentanspruchs 1 gelöst.This object is achieved by the features of the characterizing part of patent claim 1.

Besonders vorteilhaft ist es, den Anpreßschlauch für Rakelstab bzw. das Rakelbett in der Profilleiste unterzubringen, die auch den Spitzenteil an ihrem einen Ende zum Anpressen der Streichklinge trägt. Dabei ergibt sich eine versetzte Kraftangriffslinie zwischen der Kraft der Profilleiste, die über deren Spitzenteil auf die Streichklinge wirkt und die Kraft des Anpreßschlauchs, der auf das Rakelbett bzw. auf den Rakelstab wirkt. Besonders günstig ist dabei ein Winkel zwischen diesen beiden Kraftrichtungen, wobei die Wirkungslinie des Anpreßschlauchs vorzugsweise genau durch die zentrale Achse des Rakelstabes geht und nur geringfügig von der durch die Anliegelinie des Rakelstabes an der Gegenwalze gehende Radiale der Gegenwalze abweicht.It is particularly advantageous to accommodate the pressure hose for the doctor rod or the doctor bed in the profile strip, which also carries the tip part at one end for pressing on the doctor blade. This results in an offset line of force between the force of the profile bar, which on the tip part on the Scraper blade acts and the force of the pressure hose, which acts on the doctor bed or on the doctor rod. An angle between these two directions of force is particularly favorable, the line of action of the pressure tube preferably passing exactly through the central axis of the doctor rod and deviating only slightly from the radial of the counter roller passing through the line of contact of the doctor rod with the counter roller.

Günstig ist es auch, die Kraftrichtung von der Profilleiste einschließlich deren Spitzenteil in einem Winkel zur im Schnittpunkt dieser Kraftlinie mit dem Walzenmantel gezogenen Tangente zwischen 55 und 65° auszubilden. Dabei kann man vorzugsweise die Dosiereinrichtung in einem der unteren Quadranten der Gegenwalze anordnen.It is also favorable to form the direction of force from the profile strip including its tip part at an angle to the tangent between 55 and 65 ° drawn at the intersection of this line of force with the roller shell. The metering device can preferably be arranged in one of the lower quadrants of the counter roll.

Nachfolgend wird die Erfindung anhand der in den Figuren 18 dargestellten Ausführungsbeispiele erläutert, wobei Fig. 1-6 jeweils Varianten prinzipmäßig in Seitenansicht darstellen, wobei nur Rakelstab und Preßschlauch und evtl. - sofern dargestellt - die Profilverstelleinrichtung der Streichklinge, dann einschließlich Profilleiste, im Schnitt dargestellt sind. In Fig. 7 ist eine Streicheinrichtung bzw. Dosiereinrichtung als Gesamtanlage prinzipiell skizziert.In the following, the invention will be explained with reference to the exemplary embodiments shown in FIGS. 18, with FIGS. 1-6 each representing variants in principle in a side view, with only doctor blade and press hose and possibly - if illustrated - the profile adjustment device of the coating blade, then including profile strip, on average are shown. In Fig. 7, a coating device or dosing device is sketched in principle as a whole system.

In Figur 1 wird die nicht dargestellte Warenbahn in dem dargestellten Ausschnitt der Dosiereinrichtung bzw. Gegenwalze von der Gegenwalze W an dem den hier als Rollrakelstab ausgebildeten Rakelstab 2 haltenden Rakelbett 11 entlanggeführt, wobei sie die Beschichtungsmasse schon trägt. Das Rakelbett wird in einer Halterung bzw. Einspannung 18, 18' mittels einem Schieber 17 über eine es haltende Blattfeder 16 festgelegt. Das Rakelbett wird mittels Druckschlauch 13 in Richtung auf die Gegenwalze W gepreßt, der in einem Fortsatz 14' der Profilleiste 14 gehalten ist. Die Profilleiste 14 wiederum ist verschieblich in einer Führung 19 gelagert. Die Bewegung der Bahn bzw. der Gegenwalze W ist durch den Pfeil p, die Bewegung der Profilleiste durch den Doppelpfeil u und die Bewegung des Schiebers 17 durch den Doppelpfeil v angedeutet. Man erkennt, daß die Kraftrichtung des Anpreßschlauches 13 schräg zur Kraftrichtung der Profilleiste einschließlich deren Spitzenteil 15 - die gegeben ist durch den Doppelpfeil u - verläuft. Die Schlauchkraft ist hier so ausgerichtet, daß sie durch die Mittellinie des Rollrakelstabes 2 verläuft und nur geringfügig von der in der Anliegelinie des Rollrakelstabes 2 an der Gegenwalze W gezogenen Radiale derselben abweicht.In FIG. 1, the web of material, not shown, is guided in the cutout of the metering device or counter roller shown by the counter roller W along the doctor bed 11 which holds the doctor rod 2, which is designed here as a doctor blade rod, and already carries the coating composition. The doctor bed is fixed in a holder or clamp 18, 18 'by means of a slide 17 via a leaf spring 16 holding it. The doctor bed is pressed by means of pressure hose 13 in the direction of the counter roll W, which is held in an extension 14 'of the profile bar 14. The profile bar 14 is in turn slidably mounted in a guide 19. The movement of the web or the counter roller W is indicated by the arrow p, the movement of the profile strip by the double arrow u and the movement of the slide 17 by the double arrow v. It can be seen that the direction of force of the pressure hose 13 extends obliquely to the direction of force of the profile strip including its tip part 15 - which is given by the double arrow u. The tube force is aligned here so that it runs through the center line of the doctor blade rod 2 and deviates only slightly from the radial line drawn on the counter roller W in the line of contact of the doctor blade rod 2.

In Figur 2 ist prinzipiell die gleiche Dosieranordnung, jetzt aber mit Streichklinge 4 anstelle des Rakelbetts und Rakelstabes dargestellt. Es sind keinerlei Änderungen nötig gewesen, um diese Variation zu erzielen. Der Druckschlauch ist nunmehr drucklos, und der Spitzenteil 15 der Profilleiste 14 preßt die Streichklinge an die Gegenwalze W. Hierbei ist es erforderlich, daß die gesamte Dosiereinrichtung um eine zu den vollständig in Figuren 1 und 2 dargestellten Teilen einschließlich der Einspannung bei 17 und 18' und zur Gegenwalze W parallele Achse schwenkbar ausgebildet ist, um die Streichklingenkante an die Warenbahn anlegen zu können. Hierbei ist ein Abstand zwischen der Vorderkante des Spitzenteils 15 und der Blattfeder 16 vorgesehen, damit ein Anstoßen des Teils 15 an der Blattfeder verhindert und ein einwandfreies Arbeiten des Rollrakelstabes gewährleistet ist.In Figure 2, the same metering arrangement is shown in principle, but now with a doctor blade 4 instead of the doctor bed and doctor rod. No changes were necessary to achieve this variation. The pressure hose is now depressurized, and the tip part 15 of the profile bar 14 presses the doctor blade against the counter-roller W. It is necessary here that the entire metering device is one by one of the parts shown completely in FIGS. 1 and 2, including the clamping at 17 and 18 '. and the axis parallel to the counter-roller W is designed to be pivotable in order to be able to apply the coating blade edge to the material web. In this case, a distance is provided between the front edge of the tip part 15 and the leaf spring 16, so that an abutment of the part 15 against the leaf spring is prevented and the roller doctor rod can be operated properly.

Vorzugsweise erfolgt die Verschwenkung der Dosiereinrichtung mittels der Tragarme 71 des Rakelbalkens 72, der die Dosiereinrichtung trägt mit einem Schwenkradius von mindestens 500 mm und mittels hydraulischer Hubwerke 73 (siehe Fig. 6).The metering device is preferably pivoted by means of the support arms 71 of the doctor bar 72, which carries the metering device with a swivel radius of at least 500 mm and by means of hydraulic lifting mechanisms 73 (see FIG. 6).

Die Anordnung nach Figur 3 ist recht ähnlich, jedoch ist hier im Unterschied zur Figur 1 der Spitzenteil 25 der Profilleiste 24 in einem größeren Abstand von der Einspannung bei 28' und 34 angeordnet, als der Anpreßschlauch 23, der hier wiederum in einem Fortsatz 24' der Profilleiste 24 gehalten ist. In diesem Fall besteht die Stabhalterung 21 aus dem Rakelbett 22 und dem einstückig damit ausgebildeten, plattenförmigen Halteteil 26. Dieses Halteteil ist in Bezug auf die Rückwand 37 des Rakelbetts, soweit sie im Bereich des Rakelstabes 2 vorhanden ist, versetzt, bzw. abgekröpft ausgebildet. Sie ist um mindestens die eigene Wandstärke versetzt, damit der Spitzenteil 25 der Profilleiste 24 nicht am Rakelbett anstößt. Auch hier ist die winkelmäßige Zuordnung der Kraftlinien von Preßschlauch 23 und Profilleiste 24 bzw. deren spitzenteil 25 wie im Fall von Figur 1 gegeben. Auch hier ist eine Gleitführung 29 für die Profilleiste 24 vorgesehen. Die Festlegung des Rakelbetts erfolgt hier über eine Klemmnase 34, seine Halteplatte 26 und einen weiteren Druckschlauch 30. Die Verstelleinrichtung für die Profilleiste 24 ist hier mit der Schraube 31 angedeutet und kann ähnlich wie in US-A 2 695 004 ausgeführt sein.The arrangement according to FIG. 3 is quite similar, however, in contrast to FIG. 1, the tip part 25 of the profiled strip 24 is arranged at a greater distance from the clamping at 28 'and 34 than the pressure hose 23, which in turn is here in an extension 24'. the profile bar 24 is held. In this case, the rod holder 21 consists of the doctor bed 22 and the plate-shaped holding part 26 formed integrally therewith. This holding part is offset or cranked with respect to the rear wall 37 of the doctor bed, insofar as it is present in the area of the doctor rod 2. It is offset by at least its own wall thickness so that the tip part 25 of the profile strip 24 does not abut the doctor bed. Here too, the angular assignment of the force lines of the press hose 23 and the profile strip 24 or their tip part 25 is given, as in the case of FIG. Here too, a sliding guide 29 is provided for the profile strip 24. The doctor bed is fixed here via a clamping lug 34, its holding plate 26 and a further pressure hose 30. The adjustment device for the profile strip 24 is indicated here with the screw 31 and can be designed similarly to US Pat. No. 2,695,004.

Die Anordnung nach Figur 4 zeigt auch im wesentlichen wieder die Rakelbettausbildung 41 entsprechend Figur 3, hier mit der Einspannung bei 48 und 48'. In diesem Fall ist der Anpreßschlauch für den Rakelstab 2 in dem Rakelbett 42 gehalten. Er wird angepreßt über ein Fortsatzteil 44 der das spitzenteil 45 für die Streichklinge 5 aufweisenden Profilleiste. Die Streichklinge 5 ist hier, wie auch in Figur 3, durch die strichpunktierte Linie bei 5 angedeutet. Der Versatz der Halteplatte 46 des Rakelbetts ist ebenso wie in Figur 3 ausreichend groß bemessen, damit die Vorderkante des Spitzenteils 45 nicht das Rakelbett berührt.The arrangement according to FIG. 4 also essentially shows the doctor bed design 41 corresponding to FIG. 3, here with the clamping at 48 and 48 '. In this case, the pressure hose for the doctor rod 2 is held in the doctor bed 42. It is pressed against an extension part 44 of the profile part 45 having the tip part for the coating blade 5. The doctor blade 5 is indicated here, as in FIG. 3, by the dash-dotted line at 5. As in FIG. 3, the offset of the holding plate 46 of the doctor bed is dimensioned sufficiently large so that the front edge of the tip part 45 does not touch the doctor bed.

Die Ausführungsform nach Figur 5 zeigt wieder die ähnlichen und üblichen Teile wie die anderen Figuren, insbesondere das Rakelbett 51 nach Figur 1 mit der dieses in der Einspannung 58 und 58' über Druckschlauch 57 haltenden Blattfeder 56. Dabei ist die Blattfeder in einem Fortsatz 52 des Rakelbetts eingespannt, das mittels im Fortsatz 60 der Profilleiste 54 gehaltenen Anpreßschlauch 53 an die Bahn angepreßt wird. Die Führung für die den Spitzenteil 55 für die Streichklinge 5 aufweisende Profilleiste 54 ist mit 59 bezeichnet.The embodiment of Figure 5 shows the similar again and usual parts like the other figures, in particular the doctor bed 51 according to FIG. 1 with the leaf spring 56 holding it in the clamping 58 and 58 'via pressure hose 57. The leaf spring is clamped in an extension 52 of the doctor bed, which is by means of the extension 60 of the Profile bar 54 held pressure hose 53 is pressed against the web. The guide for the profile part 54 having the tip part 55 for the coating blade 5 is designated 59.

Da man bei der Gestaltung der Halterung des Rakelbetts große Freiheit hat, hat man hier die Lösung gewählt, die das Rakelbett haltende Blattfeder 56 recht kurz zu machen, so daß das Spitzenteil 55 der Profilleiste 54 weiter entfernt von der Einspannung 58, 58' als der Anpreßschlauch 53 und das Rakelbett angeordnet ist. Man erreicht dadurch eine sehr günstige Lage von der Streichklinge 5 an die Warenbahn anpressende Profilleiste 54 und deren Spitzenteil 55. Die Verstellung der Profilleiste ist ähnlich wie bereits zu Figur 3 erläutert. Diese ist aber nur eine, beispielsweise Ausführungsform, die aber auch bei den übrigen Figuren angewendet werden kann.Since there is great freedom in the design of the holder of the doctor bed, the solution chosen here is to make the leaf spring 56 holding the doctor bed quite short, so that the tip part 55 of the profile strip 54 is further away from the clamping 58, 58 'than that Pressure hose 53 and the doctor bed is arranged. This results in a very favorable position of the coating blade 5 against the profile strip 54 pressing the material web and its tip part 55. The adjustment of the profile strip is similar to that already explained in relation to FIG. 3. However, this is only one embodiment, for example, but it can also be used in the other figures.

Waren die bisherigen Anordnungen (Figur 1-5) für die Fahrweise mit der sogenannten starren Klinge konzipiert, ist in Figur 6 eine Anordnung für die sogenannte Bent-Blade-Fahrweise dargestellt. Hierdurch kann man die Vorteile, die sowohl der Druckschlauch als auch die Profilleiste haben, sich ergänzen lassen. Die Profilleiste hat ja den Vorteil einer besseren bzw. genaueren Querprofilsteuerung, während der Druckschlauch relativ unempfindlich gegen Fehler im Papier und eine ungleichmäßige Farbzuführung ist.If the previous arrangements (FIGS. 1-5) were designed for the driving style with the so-called rigid blade, an arrangement for the so-called bent-blade driving style is shown in FIG. This allows the advantages that both the pressure hose and the profile strip have to be complemented. The profile bar has the advantage of a better or more precise cross profile control, while the pressure hose is relatively insensitive to errors in the paper and an uneven ink supply.

Der Hauptvorteil dieser Anordnung besteht jedoch darin, daß die Anpreßkraft zunächst in ihrer Grundeinstellung durch die relativ starre Profilleiste 61 aufgebracht werden kann, während mittels des Schlauchdrucks unbeeinflußt von sonstigen, einschränkenden Parametern die endgültige Anpressung der Klinge gleichmäßig über die Bahnbreite bzw. Walzenlänge erreicht werden kann. Insgesamt ergibt sich eine relativ einfache, nicht sehr aufwendige Konstruktion, die sich für eine Umrüstung älterer Anlagen eignet.The main advantage of this arrangement is, however, that the contact pressure can initially be applied in its basic setting by the relatively rigid profile strip 61, while by means of the hose pressure uninfluenced by other, restricting parameters, the final pressing of the blade can be achieved uniformly over the web width or roller length. Overall, this results in a relatively simple, not very complex construction, which is suitable for retrofitting older systems.

Die Anordnung ist dabei so getroffen, daß der den Druckschlauch 63 haltende Fortsatz 64 der Druck- bzw. Profilleiste 61 in dem vom Einspannbereich der Streichklinge 66 entfernten Bereich desselben vorgesehen ist. Die Mittelebene M der Preßkraft des Druckschlauches 63 kann dabei entweder in Richtung einer radialen Ebene der Gegenwalze W verlaufen oder aber parallel zu einer solchen Mittelebene R in einem geringen Abstand von höchstens 8 mm. Es besteht vorzugsweise ein Winkel zwischen der Mittelebene M der Preßkraft des Druckschlauchs 63 und der Einspannebene L der Streichklinge 66 zwischen 45 und 55°.The arrangement is such that the extension 64 of the pressure or profile strip 61 holding the pressure hose 63 is provided in the area of the same which is distant from the clamping area of the coating blade 66. The center plane M of the pressing force of the pressure hose 63 can either run in the direction of a radial plane of the counter-roller W or parallel to such a center plane R at a short distance of at most 8 mm. There is preferably an angle between the center plane M of the pressing force of the pressure hose 63 and the clamping plane L of the doctor blade 66 between 45 and 55 °.

Die Aufteilung der Anpreßkräfte zwischen Profilleiste 61 und Druckschlauch 63 kann etwa im Verhältnis 2:1 erfolgen, um einen genügend großen Regelbereich für den Anpreßdruck des Druckschlauchs 63 zu haben, jedoch kann hiervon natürlich auch in erheblichem Maße abgewichen werden.The distribution of the contact forces between the profile strip 61 and the pressure hose 63 can take place approximately in a ratio of 2: 1 in order to have a sufficiently large control range for the contact pressure of the pressure hose 63, but of course there can also be considerable deviations from this.

Durch die erfindungsgemäßen Anordnungen wird auf einfache Weise, ohne daß Umbauarbeiten in spürbarem Maße nötig sind, erreicht, daß sowohl mit einer Streichklinge als auch mit einer in einem Rakelbett geführten Rollrakel gearbeitet werden kann, wobei in letzterem Fall ein Abstand zwischen der der Papierbahn bzw. Gegenwalze zugewandten Fläche des Halteteils 16, 26, 46 oder 56 des Rakelbetts und einer zu dieser parallelen, die Rollrakel in ihrem der Papierbahn oder der Gegenwalze näheren Bereich tangierenden Ebene im allgemeinen mindestens 45 mm beträgt.With the arrangements according to the invention, it is achieved in a simple manner, without conversion work to a noticeable extent, that both a doctor blade and a roller doctor guided in a doctor bed can be used, in the latter case a distance between the paper web or Counter-roll facing surface of the holding part 16, 26, 46 or 56 of the doctor bed and a parallel to this, the roll doctor in their area closer to the paper web or the counter roll plane is generally at least 45 mm.

Claims (14)

Dosiersystem für Einrichtungen zur Beschichtung laufender Warenbahnen, insbesondere aus Papier oder Karton, mit Streichmasse, gekennzeichnet durch die folgenden Merkmale: (a) die Halterung für ein Rakelbett oder eine Streichklinge ist jeweils dieselbe; (b) die Anpressung für die vom Rakelbett getragene Rollrakel (2) an eine Gegenwalze (W) bzw. an die von dieser geführte Warenbahn erfolgt durch einen Druckschlauch; (c) die Anpressung der Streichklinge erfolgt zumindest überwiegend durch einen Spitzenteil (15, 25, 45, 55) einer sich quer zur Gegenwalze (W) bzw. Warenbahn erstreckenden Profilleiste (14, 24, 44, 54), die quer zur Warenbahn bzw. Gegenwalze (W) in Abschnitten verstellbar ist, denen jeweils eigene Verstelleinrichtungen (31, 32, 33) zugeordnet sind und (d) die Ebenen durch die Angriffslinien der Andrückkräfte für das Rakelbett einerseits und die Streichklinge andererseits sind gegeneinander in Richtung quer zur Gegenwalze (W) bzw. Warenbahn versetzt oder verlaufen zueinander in einem kleinen spitzen Winkel. Dosing system for devices for coating running material webs, in particular made of paper or cardboard, with coating slip, characterized by the following features: (a) the holder for a doctor bed or a doctor blade is the same in each case; (b) the pressure for the roll doctor (2) carried by the doctor bed is applied to a counter roller (W) or to the web guided by the latter by means of a pressure hose; (c) the pressing of the coating blade takes place at least predominantly through a tip part (15, 25, 45, 55) of a profile bar (14, 24, 44, 54) extending transversely to the counter roller (W) or web, which crosswise to the web or Counter roller (W) can be adjusted in sections, each of which is assigned its own adjusting device (31, 32, 33) and (d) the planes through the lines of action of the pressing forces for the doctor bed on the one hand and the doctor blade on the other are offset from one another in the direction transverse to the counter-roller (W) or web or run at a small acute angle to one another. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Druckschlauch (13, 23, 43, 53) in der Profilleiste (14, 24, 54) bzw. in einem Haltefortsatz derselben (14', 24', 64) gehalten ist, der von der an der Streichklinge anzulegenden Preßkante mindestens 5 mm - in Richtung auf die Führungsteile (19, 29, 59) der Dosiereinrichtung für die Profilleiste (14, 24, 54) - von der Preßkante entfernt ist.Device according to claim 1, characterized in that the pressure hose (13, 23, 43, 53) is held in the profiled strip (14, 24, 54) or in a holding extension thereof (14 ', 24', 64) which is provided by the pressing edge to be applied to the coating blade is at least 5 mm away from the pressing edge in the direction of the guide parts (19, 29, 59) of the metering device for the profile strip (14, 24, 54). Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß eine mit dem Rakelbett (22, 42) einstückige Halteplatte (26, 46) vorgesehen ist, die in Bezug auf die - von der Gegenwalze bzw. Warenbahn - abgewandte Rückseite des Rakelbetts, jedenfalls soweit sie im Bereich des Rollrakelstabes (2) bzw. ab der Preßkraftlinie der Profilleiste in Richtung zur Halteplatte (26, 46) vorhanden bzw. gegeben ist, mindestens um ihre Wandstärke versetzt vom Rakelbett (22, 42) angeordnet ist, um ein Anstoßen des Spitzenteils (25, 45) der Profilleiste (24, 44) am Rakelbett auszuschließen.Device according to claim 1 or 2, characterized in that a holding plate (26, 46) is provided which is integral with the doctor bed (22, 42) and which, at least to the extent that it is, with respect to the rear of the doctor bed facing away from the counter-roller or web it is or is present in the area of the doctor blade rod (2) or from the pressing force line of the profile strip in the direction of the holding plate (26, 46), at least offset by its wall thickness from the doctor bed (22, 42) in order to abut the tip part (25, 45) of the profile bar (24, 44) on the doctor bed. Einrichtung nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß die Wirkungslinie der Anpreßkraft des Preßschlauches (13, 23) schräg zur Preßkraftlinie der Profilleiste einschließlich deren Spitzenteils (15, 25) und durch die Mittellinie der Rollrakel (2) und vorzugsweise in einem Winkel zwischen 80 und 95° zur durch die Anliegelinie der Rollrakel (2) an der Gegenwalze (W) verlaufenden Tangentialebene derselben angeordnet ist.Device according to one of claims 1-3, characterized in that the line of action of the pressure force of the pressure hose (13, 23) obliquely to the pressure force line of the profile strip including its tip part (15, 25) and through the center line of the doctor blade (2) and preferably in one An angle between 80 and 95 ° to the tangential plane running through the line of contact of the doctor blade (2) on the counter-roller (W) is arranged. Einrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der den Preßschlauch (13, 23) tragende Fortsatz (14', 24') der Profilleiste (14, 24) in einer größeren Entfernung von der Einspannung von Rakelbett bzw. Streichklinge als das Spitzenteil (15) der Profilleiste (14) angeordnet ist für den Fall, daß als Halterung für das Rakelbett (11) eine Blattfeder (16) dient und in einer kürzeren Entfernung von der Einspannung als das Spitzenteil (25) der Profilleiste (24) für den Fall, daß eine mit dem Rakelbett (22) einstückige Halteplatte (26) vorgesehen ist.Device according to claim 4, characterized in that the extension (14 ', 24') of the profiled strip (14, 24) carrying the press hose (13, 23) at a greater distance from the clamping of the doctor bed or doctor blade than the tip part (15 ) the profile strip (14) is arranged in the event that a leaf spring (16) serves as a holder for the doctor bed (11) and at a shorter distance from the clamping than the tip part (25) of the profile strip (24) in the event that a one-piece with the doctor bed (22) holding plate (26) is provided. Einrichtung nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß der Anpreßschlauch (43) für das Rakelbett (42) in demselben gehalten ist.Device according to one of claims 1-3, characterized in that the pressure hose (43) for the Doctor bed (42) is held in the same. Einrichtung nach einem der Ansprüche 1-6, dadurch gekennzeichnet, daß die Halterung (18, 18'; 28, 28'; 48, 48'), die die Einspannung für die Streichklinge (4) bzw. das Halteteil des Rakelbetts (16, 26, 46) aufweist, so angeordnet ist, daß der Winkel zwischen dem Halteteil (16, 26, 46) des Rakelbetts bzw. der Streichklinge (4) im ungespannten, unverbogenen Zustand und der in der Anliegelinie der Rollrakel (2) an die Gegenwalze (W) bzw. Warenbahn gezogenen Tangentialebene in der für den Betrieb mit Rollrakel vorgesehenen Schwenklage der Dosiereinrichtung zwischen 25 und 35° beträgt.Device according to one of claims 1-6, characterized in that the holder (18, 18 '; 28, 28'; 48, 48 '), the clamping for the doctor blade (4) or the holding part of the doctor bed (16, 26, 46) is arranged so that the angle between the holding part (16, 26, 46) of the doctor bed or the doctor blade (4) in the untensioned, non-bent state and that in the line of contact of the doctor blade (2) to the counter roller (W) or web drawn tangential plane in the swivel position of the metering device provided for operation with a doctor blade is between 25 and 35 °. Einrichtung nach einem der Ansprüche 1-7, dadurch gekennzeichnet, daß die Dosiereinrichtung in einem der unteren Quadranten der Gegenwalze (W) angeordnet ist.Device according to one of claims 1-7, characterized in that the metering device is arranged in one of the lower quadrants of the counter roller (W). Einrichtung nach einem der Ansprüche 1-8, dadurch gekennzeichnet, daß die Dosiereinrichtung um eine zur Gegenwalze (W) parallele, von dieser und dem Rakelbett (11, 22, 51) entfernte Achse schwenkbar angeordnet ist.Device according to one of claims 1-8, characterized in that the metering device is arranged to be pivotable about an axis parallel to the counter-roll (W) and away from the latter and from the doctor bed (11, 22, 51). Einrichtung nach Anspruch 9, dadurch gekennzeichnet, daß der Schwenkradius mindestens 500 mm beträgt.Device according to claim 9, characterized in that the swivel radius is at least 500 mm. Einrichtung nach einem der Ansprüche 1-10, dadurch gekennzeichnet, daß im Fall der Fahrweise mit starrer Streichklinge der Anpreßdruck für dieselbe allein durch die Profilleiste (14, 24, 54) erzeugt wird.Device according to one of claims 1-10, characterized in that in the case of driving with a rigid doctor blade, the contact pressure for the same is generated solely by the profile strip (14, 24, 54). Einrichtung, insbesondere nach einem der Ansprüche 1-10, dadurch gekennzeichnet, daß im Fall der sogenannten Bent-Blade-Fahrweise ein erheblicher Teil des Anpreßdrucks der Streichklinge durch einen Druckschlauch (63) erzeugt wird, der in einem entfernt vom Einspannbereich der Streichklinge (66) angeordneten Haltefortsatz (64) der Profilleiste (61) angeordnet ist.Device, in particular according to one of claims 1-10, characterized in that in the case of the so-called bent-blade mode of operation, a considerable part of the contact pressure of the doctor blade by one Pressure hose (63) is produced, which is arranged in a holding extension (64) of the profiled strip (61) which is arranged at a distance from the clamping area of the coating blade (66). Einrichtung nach Anspruch 12, dadurch gekennzeichnet, daß die Kraftwirkungsebene (M) des Druckschlauchs (63) mit einer nur geringen Abweichung von höchstens 3° in Richtung einer radialen Ebene durch die Gegenwalze oder parallel zu einer solchen Mittelebene (R) in einer Entfernung von höchstens 8 mm verläuft.Device according to claim 12, characterized in that the force action plane (M) of the pressure hose (63) with only a slight deviation of at most 3 ° in the direction of a radial plane through the counter-roller or parallel to such a central plane (R) at a distance of at most 8 mm runs. Einrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß der Druckschlauch (63) zwischen 25 und 35 % der Gesamtanpreßkraft der Streichklinge (66) zwecks Regelung der Anpreßkraft derselben an der Bahn bzw. Gegenwalze (W) aufbringt.Device according to claim 12 or 13, characterized in that the pressure hose (63) applies between 25 and 35% of the total contact pressure of the coating blade (66) for the purpose of regulating the contact pressure thereof on the web or counter roller (W).
EP94102627A 1993-03-20 1994-02-22 Dosing element for coating moving webs, especially paper or cardboard Expired - Lifetime EP0617168B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4309002 1993-03-20
DE4309002A DE4309002A1 (en) 1993-03-20 1993-03-20 Dosing device for coating running webs, preferably made of paper or cardboard

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EP0617168A1 true EP0617168A1 (en) 1994-09-28
EP0617168B1 EP0617168B1 (en) 1997-01-29

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EP (1) EP0617168B1 (en)
JP (1) JPH0747323A (en)
AT (1) ATE148515T1 (en)
CA (1) CA2119431A1 (en)
DE (2) DE4309002A1 (en)
FI (1) FI108003B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0731213A3 (en) * 1995-03-09 1996-10-16 Draiswerke Gmbh
DE19755411A1 (en) * 1997-12-12 1999-06-17 Voith Sulzer Papiertech Patent Doctor device
US6132807A (en) * 1997-08-07 2000-10-17 Voith Sulzer Papiermaschinen Gmbh Method of directly or indirectly applying a liquid or pasty medium to a continuous material web so that said medium on said web has a predetermined transverse and/or longitudinal profile

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29510486U1 (en) * 1995-06-30 1995-08-17 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Squeegee assembly
US5665163A (en) * 1995-08-22 1997-09-09 Beloit Technologies, Inc. Film applicator with entrained air removal and surface control
DE29609053U1 (en) * 1996-05-20 1996-08-22 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Device for the direct or indirect application or final metering of a liquid or pasty medium onto a running material web
DE29611186U1 (en) * 1996-06-26 1996-09-05 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Doctor blade holder
DE19626580A1 (en) * 1996-07-02 1998-01-08 Jagenberg Papiertech Gmbh Metering rod system for a coater for web products such as paper
DE19652289A1 (en) 1996-12-16 1998-06-18 Voith Sulzer Papiermasch Gmbh Web coating applicator
US6019846A (en) * 1997-12-16 2000-02-01 Voith Sulzer Paper Technology North America, Inc. Coater rod bed
DE19843733A1 (en) * 1998-09-24 2000-03-30 Voith Sulzer Papiertech Patent Wiper blade assembly coating paper or card bands with optionally-viscous liquid, employs system of leaf spring tensioning which forms ductor chamber and is readily replaced and adjusted
US5968269A (en) * 1998-10-21 1999-10-19 Voith Sulzer Paper Technology Noth America, Inc. Coater with multi-part and multi-use profile bar assembly
DE102004024079A1 (en) * 2004-05-14 2005-12-08 Voith Paper Patent Gmbh doctor bed
DE102004029565A1 (en) * 2004-06-18 2006-01-05 Voith Paper Patent Gmbh doctor device
DE102004040622A1 (en) * 2004-08-21 2006-02-23 Voith Paper Patent Gmbh doctor device
DE102005020848A1 (en) * 2005-05-02 2006-11-09 Voith Patent Gmbh doctor bed
DE102005029613A1 (en) * 2005-06-23 2007-01-04 Voith Patent Gmbh Device for metering and / or leveling
US20070214984A1 (en) * 2006-03-20 2007-09-20 Alfano James P Rod holder device
US20070237552A1 (en) * 2006-04-06 2007-10-11 Mcalpine Robert W Doctor Blade and Developer Assembly with Precision Diameter Radius for Improved Doctoring Consistency

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229621A (en) * 1938-06-10 1941-01-21 Chamsion Paper And Fibre Compa Method of coating paper
GB2042937A (en) * 1978-11-24 1980-10-01 Jagenberg Werke Ag Doctor bar

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695004A (en) * 1951-03-02 1954-11-23 Champion Paper & Fibre Co Doctor blade for coating machines
US3143438A (en) * 1960-07-26 1964-08-04 West Virginia Pulp & Paper Co Apparatus for coating web material
US3559572A (en) * 1969-05-14 1971-02-02 Us Plywood Champ Papers Inc Method of inking a printing roll using a metering roll and revolving doctor rod
US4405661A (en) * 1981-09-10 1983-09-20 Beloit Corporation Blade type fountain coater and method
US4452833A (en) * 1982-02-08 1984-06-05 Consolidated Papers, Inc. Paper coating method
DE3311081A1 (en) * 1983-03-26 1984-09-27 J.M. Voith Gmbh, 7920 Heidenheim Squeegee holder
FI73266C (en) * 1984-06-29 1987-09-10 Waertsilae Oy Ab Rod scraper for paper coating device.
AT396437B (en) * 1986-10-25 1993-09-27 Voith Gmbh J M PRE-DOSING DEVICE IN A COATING PLANT
FI85897C (en) * 1990-04-19 1992-06-10 Valmet Paper Machinery Inc Procedure for limiting coating width when coating applications or cardboard and device intended for carrying out the process
US5238511A (en) * 1992-02-04 1993-08-24 Everts En Van Der Weyden Exploitatiemaatschappij Double C-shaped clamp
DE4217528C2 (en) * 1992-05-27 1996-05-30 Voith Gmbh J M Coating device for running webs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229621A (en) * 1938-06-10 1941-01-21 Chamsion Paper And Fibre Compa Method of coating paper
GB2042937A (en) * 1978-11-24 1980-10-01 Jagenberg Werke Ag Doctor bar
DE2851015C2 (en) * 1978-11-24 1982-07-08 Jagenberg-Werke AG, 4000 Düsseldorf Device for regulating the application thickness when coating moving material webs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0731213A3 (en) * 1995-03-09 1996-10-16 Draiswerke Gmbh
US6132807A (en) * 1997-08-07 2000-10-17 Voith Sulzer Papiermaschinen Gmbh Method of directly or indirectly applying a liquid or pasty medium to a continuous material web so that said medium on said web has a predetermined transverse and/or longitudinal profile
DE19755411A1 (en) * 1997-12-12 1999-06-17 Voith Sulzer Papiertech Patent Doctor device

Also Published As

Publication number Publication date
FI941293A0 (en) 1994-03-18
DE4309002A1 (en) 1994-09-22
JPH0747323A (en) 1995-02-21
FI108003B (en) 2001-11-15
ATE148515T1 (en) 1997-02-15
US5433781A (en) 1995-07-18
EP0617168B1 (en) 1997-01-29
CA2119431A1 (en) 1994-09-21
FI941293A7 (en) 1994-09-21
DE59401675D1 (en) 1997-03-13

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