EP2942408B1 - Device for the suspended guidance of strip-shaped material - Google Patents

Device for the suspended guidance of strip-shaped material Download PDF

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Publication number
EP2942408B1
EP2942408B1 EP15165861.4A EP15165861A EP2942408B1 EP 2942408 B1 EP2942408 B1 EP 2942408B1 EP 15165861 A EP15165861 A EP 15165861A EP 2942408 B1 EP2942408 B1 EP 2942408B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
nozzle part
fluid
part surfaces
central
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP15165861.4A
Other languages
German (de)
French (fr)
Other versions
EP2942408A1 (en
Inventor
Christoph von der Heide
Wolfgang Lenz
Dawid Perkowski
Dipl.-Wirt.-Ing. Valder Günter Dr.-Ing.
Klaus Schmitz
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Otto Junker GmbH
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Otto Junker GmbH
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Filing date
Publication date
Application filed by Otto Junker GmbH filed Critical Otto Junker GmbH
Priority to PL15165861T priority Critical patent/PL2942408T3/en
Priority to SI201530242T priority patent/SI2942408T1/en
Publication of EP2942408A1 publication Critical patent/EP2942408A1/en
Application granted granted Critical
Publication of EP2942408B1 publication Critical patent/EP2942408B1/en
Priority to HRP20180710TT priority patent/HRP20180710T1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/63—Continuous furnaces for strip or wire the strip being supported by a cushion of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/06—Mobile combinations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
    • F26B13/104—Supporting materials without tension, e.g. on or between foraminous belts supported by fluid jets only; Fluid blowing arrangements for flotation dryers, e.g. coanda nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/112—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along preferably rectilinear path, e.g. nozzle bed for web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/562—Details

Definitions

  • the invention relates to a device for the floating guidance of sheet-like material, in particular of metal strips, in which the web-like material is carried and guided substantially horizontally by means of at least one fluid flow, with a plurality of individual, arranged in the direction of trajectory successively and forming a common nozzle array nozzle elements ,
  • the fluid flow is used for processes such as drying, coating, heating, vapor deposition or cooling.
  • the web-shaped material also referred to as strip material for short, is often carried and guided by the fluid flow in a specific position. In this case, especially in metal bands and longer free-hanging sections, the fluid flow must carry considerable loads.
  • the strip material is thus carried floating and additionally guided by the fluid flow horizontally and / or vertically centered.
  • Essentially horizontal is to be understood as meaning that the passage of the web-shaped material in the case of tape guiding devices can follow a straight line (horizontal or oblique, even vertical) but also a curved line (for example slack) or a combination thereof.
  • deflections of the material webs and changes in the nature of the course are possible.
  • the nozzle elements below the sheet material that is substantially horizontal, arranged and the fluid from below - and optionally additionally from above - on the material web.
  • the circulation is generated in a known manner by appropriately designed fan systems.
  • the fluid flow is often a hot gas stream or cooling gas stream of air, various process gases or flue gases circulating in a largely closed enclosure.
  • nozzle systems are used, which generate a lateral centering of the continuous belt by their geometric design.
  • the centering effect is achieved by utilizing various effects on a nozzle area which is changed over the bandwidth ( EP 0 864 518 A1 ).
  • the centering effect can be changed in principle by changing the nozzle surfaces or replacement of the nozzle elements. A change in the nozzle surfaces or even an automatable adjustment is not known.
  • the nozzle systems are designed to wet the entire width of the belt with fluid.
  • the systems are often used for different bandwidths.
  • a significant portion of the fluid is blown out of use laterally next to the band.
  • the narrow belt-free side discharge surface causes the total fluid flow to shift to that region with less drag.
  • the specific fluid flow decreases in the region of the (narrow) strip, which results in a disproportionate reduction of the momentum and pressure forces necessary for levitation and guiding.
  • an additional increase in the total fluid flow is necessary.
  • the invention is therefore based on the object at the outset and previously described device for floating guidance of sheet material in such a way and further, that a variable centering can be generated, which can also be adjusted automatically, so that a simple and an automated Adaptation to a variety of treated on such a system belts can be made and even an adjustment during operation is possible. Further, it is desirable to reduce the unused and circulated amount of fluid, thereby reducing, among other things, energy and resource usage. Also, the specific carrying and executives should be kept at the same level even with a narrow band, whereby the fluid flow can also be reduced.
  • each nozzle element has a central nozzle part surface and outer nozzle part surfaces.
  • the individual nozzle elements have a rectangular nozzle surface whose longitudinal direction is arranged transversely to the transport direction of the web-shaped material.
  • each nozzle element has a central nozzle sub-area and at its (belt-side) ends in each case an outer nozzle sub-area.
  • the average partial flow of the fluid can be used primarily for the floating support of the strip material, and the lateral guidance of the strip takes place primarily by being acted upon by the lateral nozzle sub-surfaces.
  • This is achieved by subdividing the banding system into a middle, a right and a left part in the band longitudinal direction.
  • the middle part will be through a circulation system and the two outer areas supplied together by another separate circulation system with fluid, wherein a further teaching of the invention, an opposite filling of the two areas allows a very compact arrangement.
  • the use of multi-fan recirculation systems is known per se.
  • the desired variable centering can be provided by one, several or all zones are constructed according to the described principle.
  • each nozzle element in addition to the central nozzle part surface has at its ends in each case a plurality of outer nozzle part surfaces. It is also a subdivision into more than a total of three areas, so more than two outer areas, conceivable. Especially with more than two outer nozzle areas, the arrangement of the circulation fans is always more complex, up to the external arrangement and connection over appropriate channel or piping systems.
  • the central nozzle part surfaces may be about twice as large as the respective outer nozzle part surfaces. It is also possible that the central nozzle part surface of a nozzle element is the same size as the sum of the outer nozzle part surfaces.
  • the blowing system is subdivided in the longitudinal direction into a middle and at least one right and left outer part (at least 1 pair), the middle of one and each outer pair of another, separate system to be filled with fluid.
  • the filling of the outer regions can thus be reduced in pairs or switched off without conversion measures, so that only the respectively required part of a Beblasungsfeld forming nozzle sub-surfaces is active. Also, a separate filling of each area without pairing is possible.
  • the filling is made very compact, preferably with opposite filling of the nozzle systems.
  • the arrangement of the circulation fans becomes more and more complex, up to the external arrangement and connection via duct or piping systems.
  • each nozzle element has a nozzle body with separating plates for producing different nozzle sub-surfaces.
  • nozzle elements are modular. In this way, depending on the requirements of different nozzle fields in the manner of a kit can be designed and implemented.
  • nozzle system also called nozzle hearth
  • nozzle hearth of a device according to the invention
  • FIGS. 1 and 2 show, in each case from another perspective, a nozzle system for the floating guidance of (not shown) web-shaped
  • each nozzle member 1 has in the illustrated and so far preferred embodiment, a central nozzle part surface 2a and outer nozzle part surfaces 2b and 2c.
  • the nozzle sub-area 2a and the outer nozzle sub-areas 2b and 2c of each nozzle element 1 preferably form a rectangular nozzle area whose longitudinal direction is arranged transversely to the transport direction of the web-shaped material.
  • final air outlet elements has been omitted for better representation of the division into individual channels.
  • a fluid flow For floating support and guiding the strip material is a fluid flow, which is generated in a conventional manner by means of two fans 3a and 3b.
  • the generated fluid flow is supplied from each fan 3a or 3b via correspondingly arranged corresponding flow channels 4a and 4b to the nozzle system.
  • Fig. 1 clearly shows that the flow channel 4a ends in the central region of the nozzle array and that from there all central nozzle sub-surfaces 2a of the nozzle elements 1 are acted upon from below.
  • Fig. 2 shows that the flow channel 4b divides in the end region of the nozzle array and that from there, again from below, all outer nozzle part surfaces 2b and 2c of the nozzle elements 1 are acted upon.
  • the mean partial flow of the fluid flowing through the nozzle sub-surfaces 2a can be used primarily to float the strip material and the lateral guidance of the belt is effected mainly by the application of fluid through the lateral nozzle sub-surfaces 2b and 2c.
  • the tapered for fluidic reasons arranged below the nozzle field Extensions of the flow channels 4a and 4b can be clearly the Fig. 3 in which a side view of the nozzle array from the FIGS. 1 and 2 is shown.
  • Fig. 4 shows a plan view of the nozzle array of the FIGS. 1 and 2 ,
  • the individual flow regions can be clearly seen here: a first, middle flow region A and the two outer regions B and C.
  • the preferably opposite filling of the two regions A or B and C permits a very compact arrangement of the device according to the invention.
  • the two circulating fans can, as shown, preferably be arranged laterally, both on one side. However, it is also possible, this laterally on both sides or hanging in the ceiling above the tape or hanging, laterally equal or laterally alternately offset to the center of the band, or to arrange standing from below. Also, any combinations of said arrangements are included within the scope of the inventive solution.
  • Fig. 5 shows, in an enlarged perspective view, a nozzle element 1, in which the individual nozzle sub-areas 2a, 2b and 2c are clearly visible.
  • the nozzle element 1 preferably initially and essentially consists of a nozzle body 5, which initially and essentially consists of a conically widening from bottom to top housing.
  • the housing is open at the bottom to the flow channels (not shown).
  • the nozzle element 1 has an outflow element 6.
  • the top of the Ausströmelements can be formed as shown, depending on the desired flow path and have openings for the passage of the fluid. In the illustrated embodiment of the Fig. 5 are shown as openings a plurality of holes 7.
  • nozzle sub-areas 2a, 2b and 2c used for the different admission of fluid is expediently carried out by separating plates 8a and 8b inserted into the nozzle body.
  • Fig. 5 also shows that, if appropriate, further channels arranged outside the nozzle element 1 can be present, wherein, for illustration purposes, two further nozzle sub-areas 2d and 2e are indicated by dash-dotted lines.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Advancing Webs (AREA)
  • Coating Apparatus (AREA)
  • Electroplating Methods And Accessories (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zur schwebenden Führung von bahnförmigem Material, insbesondere von Metallbändern, bei der das bahnförmige Material mittels wenigstens einem Fluidstrom im Wesentlichen horizontal getragen und geführt wird, mit einer Vielzahl einzelner, in Richtung des Bahnverlaufs hintereinander angeordneter und ein gemeinsames Düsenfeld bildenden Düsenelemente.The invention relates to a device for the floating guidance of sheet-like material, in particular of metal strips, in which the web-like material is carried and guided substantially horizontally by means of at least one fluid flow, with a plurality of individual, arranged in the direction of trajectory successively and forming a common nozzle array nozzle elements ,

Der Fluidstrom dient in der Regel Prozessen wie Trocknung, Beschichtung, Erwärmung, Bedampfung oder Kühlung. Weiterhin wird das bahnförmige Material, kurz auch als Bandmaterial bezeichnet, häufig durch den Fluidstrom in einer bestimmten Lage getragen und geführt. Dabei muss, insbesondere bei Metallbändern und bei längeren frei hängenden Abschnitten, der Fluidstrom erhebliche Lasten tragen. Das Bandmaterial wird also schwebend getragen und dabei zusätzlich durch den Fluidstrom horizontal und/oder vertikal zentriert geführt wird.As a rule, the fluid flow is used for processes such as drying, coating, heating, vapor deposition or cooling. Furthermore, the web-shaped material, also referred to as strip material for short, is often carried and guided by the fluid flow in a specific position. In this case, especially in metal bands and longer free-hanging sections, the fluid flow must carry considerable loads. The strip material is thus carried floating and additionally guided by the fluid flow horizontally and / or vertically centered.

Im Wesentlichen horizontal soll dabei heißen, dass der Durchlauf des bahnförmigen Materials bei Bandführungsvorrichtungen einer geraden Linie (horizontal oder auch schräg, abschnittsweise sogar vertikal), aber auch einer gebogenen Linie (beispielsweise Durchhang) oder einer Kombination daraus folgen kann. Darüber hinaus sind auch Umlenkungen der Materialbahnen sowie Wechsel der Art des Verlaufs möglich. In den Bereichen, in denen ausschließlich der Fluidstrom zum Tragen der Materialbahn verwendet wird, sind die Düsenelemente unterhalb des bahnförmigen Materials, also im Wesentlichen horizontal, angeordnet und das Fluid trifft von unten - und gegebenenfalls zusätzlich von oben - auf die Materialbahn. Die Umwälzung wird dabei in bekannter weise durch entsprechend ausgelegte VentilatorSysteme erzeugt.Essentially horizontal is to be understood as meaning that the passage of the web-shaped material in the case of tape guiding devices can follow a straight line (horizontal or oblique, even vertical) but also a curved line (for example slack) or a combination thereof. In addition, deflections of the material webs and changes in the nature of the course are possible. In the areas in which only the fluid flow is used to support the material web, the nozzle elements below the sheet material, that is substantially horizontal, arranged and the fluid from below - and optionally additionally from above - on the material web. The circulation is generated in a known manner by appropriately designed fan systems.

Bei der Wärmebehandlung von Metallbändern handelt es sich bei dem Fluidstrom oft um einen Heißgasstrom oder Kühlgasstrom aus Luft, aus verschiedenen Prozessgasen oder aus Rauchgasen, der in einem weitestgehend geschlossenen Gehäuse umgewälzt wird.In the heat treatment of metal strips, the fluid flow is often a hot gas stream or cooling gas stream of air, various process gases or flue gases circulating in a largely closed enclosure.

Bei derartigen Anlagen erfolgt auch die seitliche Zentrierung der durchlaufenden Materialbahnen durch den Fluidstrom, da mechanische Berührungen des Bandes meist unerwünscht sind. Nach dem Stand der Technik (beispielsweise DE 10 2005 054 995 A1 , WO 2005/056448 A1 , WO 2008/055850 A1 oder DE 10 2011103 806 B1 , DE 31 17 303 A1 ) werden Düsensysteme eingesetzt, die durch ihre geometrische Gestaltung eine seitliche Zentrierung des durchlaufenden Bandes erzeugen. Die Zentrierwirkung wird unter Ausnutzung verschiedener Effekte auf einer über die Bandbreite veränderten Düsenfläche erzielt ( EP 0 864 518 A1 ). Die Zentrierwirkung kann dabei prinzipiell durch Änderung der Düsenflächen oder Austausch der Düsenelemente verändert werden. Eine Veränderung der Düsenflächen oder gar eine automatisierbare Verstellung ist nicht bekannt.In such systems, the lateral centering of the continuous material webs is carried by the fluid flow, since mechanical contact of the tape are usually undesirable. According to the prior art (for example DE 10 2005 054 995 A1 . WO 2005/056448 A1 . WO 2008/055850 A1 or DE 10 2011103806 B1 . DE 31 17 303 A1 ) nozzle systems are used, which generate a lateral centering of the continuous belt by their geometric design. The centering effect is achieved by utilizing various effects on a nozzle area which is changed over the bandwidth ( EP 0 864 518 A1 ). The centering effect can be changed in principle by changing the nozzle surfaces or replacement of the nozzle elements. A change in the nozzle surfaces or even an automatable adjustment is not known.

Häufig werden die Düsensysteme so ausgelegt, dass sie die komplette Breite des Bandes mit Fluid benetzen. In der Praxis werden die Anlagen oftmals für unterschiedliche Bandbreiten eingesetzt. Beim Betrieb mit schmalen Bändern wird ein erheblicher Teil des Fluids seitlich neben dem Band ungenutzt ausgeblasen. Weiterhin führt bei Systemen zur schwebenden oder einspannenden Führung von Bändern die bei schmalem Band freie seitliche Ausblasfläche dazu, dass sich der Gesamt-Fluidstrom in diesen Bereich mit geringerem Strömungswiderstand verlagert. Dadurch nimmt der spezifische Fluidstrom (bezogen auf die Bandoberfläche) im Bereich des (schmalen) Bandes ab, was eine überproportionale Reduktion der Impuls- und Druckkräfte zur Folge hat, die zum Schweben und Führen notwendig sind. Zum Ausgleich des Tragkraftverlustes bei schmalem Band ist eine zusätzliche Erhöhung des Gesamt-Fluidstroms notwendig.Often, the nozzle systems are designed to wet the entire width of the belt with fluid. In practice, the systems are often used for different bandwidths. When operating with narrow bands, a significant portion of the fluid is blown out of use laterally next to the band. Furthermore, in systems for levitating or constraining belts, the narrow belt-free side discharge surface causes the total fluid flow to shift to that region with less drag. As a result, the specific fluid flow (relative to the strip surface) decreases in the region of the (narrow) strip, which results in a disproportionate reduction of the momentum and pressure forces necessary for levitation and guiding. To compensate for the loss of capacity at a narrow band an additional increase in the total fluid flow is necessary.

Der Erfindung liegt daher die Aufgabe zugrunde, die eingangs genannte und zuvor näher beschriebene Vorrichtung zur schwebenden Führung von bahnförmigem Material so auszugestalten und weiterzubilden, dass eine variable Zentrierwirkung erzeugt werden kann, die auch automatisierbar verstellt werden kann, so dass eine einfache und auch eine automatisierte Anpassung an die verschiedensten auf einer derartigen Anlage behandelten Bänder erfolgen kann und selbst eine Justage im laufenden Betrieb möglich ist. Ferner ist erwünscht, die ungenutzt verbrauchte und umgewälzte Menge an Fluid zu reduzieren und damit unter anderem auch den Energie- und Ressourcen-Einsatz zu reduzieren. Auch sollen die spezifischen Trag- und Führungskräfte auch bei schmalem Band auf gleichem Niveau gehalten werden, wobei sich der Fluidstrom ebenfalls reduzieren lässt.The invention is therefore based on the object at the outset and previously described device for floating guidance of sheet material in such a way and further, that a variable centering can be generated, which can also be adjusted automatically, so that a simple and an automated Adaptation to a variety of treated on such a system belts can be made and even an adjustment during operation is possible. Further, it is desirable to reduce the unused and circulated amount of fluid, thereby reducing, among other things, energy and resource usage. Also, the specific carrying and executives should be kept at the same level even with a narrow band, whereby the fluid flow can also be reduced.

Gelöst wird diese Aufgabe bei einer Vorrichtung zur schwebenden Führung von bahnförmigem Material nach dem Oberbegriff von Anspruch 1 dadurch, dass die Menge des durch die einzelnen Düsenteilflächen austretenden Fluids für jede Düsenteilfläche eines Düsenelements separat regelbar ist. Dabei weist jedes Düsenelement eine mittlere Düsenteilfläche und äußere Düsenteilflächen auf. Bevorzugt weisen die einzelnen Düsenelemente eine rechteckige Düsenfläche auf, deren Längsrichtung quer zur Transportrichtung des bahnförmigen Materials angeordnet ist. Ferner weist in weiterer Ausgestaltung der Erfindung jedes Düsenelement eine mittlere Düsenteilfläche und an seinen (bandseitigen) Enden jeweils eine äußere Düsenteilfläche auf. Dadurch lässt sich der mittlere Teilstrom des Fluids in erster Linie zum schwebenden Tragen des Bandmaterials nutzen und die seitliche Führung des Bandes erfolgt vor allem durch Beaufschlagung durch die seitlichen Düsenteilflächen. Dies wird erreicht, indem das Beblasungssystem in Bandlängsrichtung in einen mittleren, einen rechten und einen linken Teil unterteilt werden. Der mittlere Teil wird dabei durch ein Umwälzsystem und die beiden äußeren Bereiche werden gemeinsam durch ein weiteres separates Umwälzsystem mit Fluid versorgt, wobei nach einer weiteren Lehre der Erfindung eine gegenläufige Befüllung der beiden Bereiche eine sehr kompakte Anordnung erlaubt. Die Verwendung der aus mehreren Ventilatoren bestehenden Umwälzsysteme sind für sich bekannt.This object is achieved in a device for the floating guidance of sheet material according to the preamble of claim 1, characterized in that the amount of fluid exiting through the individual nozzle sub-surfaces is separately controllable for each nozzle sub-area of a nozzle element. In this case, each nozzle element has a central nozzle part surface and outer nozzle part surfaces. Preferably, the individual nozzle elements have a rectangular nozzle surface whose longitudinal direction is arranged transversely to the transport direction of the web-shaped material. Furthermore, in a further embodiment of the invention, each nozzle element has a central nozzle sub-area and at its (belt-side) ends in each case an outer nozzle sub-area. As a result, the average partial flow of the fluid can be used primarily for the floating support of the strip material, and the lateral guidance of the strip takes place primarily by being acted upon by the lateral nozzle sub-surfaces. This is achieved by subdividing the banding system into a middle, a right and a left part in the band longitudinal direction. The middle part will be through a circulation system and the two outer areas supplied together by another separate circulation system with fluid, wherein a further teaching of the invention, an opposite filling of the two areas allows a very compact arrangement. The use of multi-fan recirculation systems is known per se.

Durch Veränderung der Fluidströme im mittleren sowie in äußeren Bereichen wird die Zentrierwirkung auf das durchlaufende Band variiert. Üblicher Weise werden zur Umwälzung Ventilatorsysteme eingesetzt, deren Leistung sehr leicht - beispielsweise durch Drehzahländerung - variiert werden kann.By changing the fluid flows in the middle and in outer regions, the centering effect is varied to the continuous band. Conventionally, fan systems are used for the circulation, the power of which can be varied very easily, for example by changing the speed.

Bei Anlagen, welche aus mehreren nacheinander angeordneten Behandlungszonen bestehen, kann die gewünschte variable Zentrierung vorgesehen werden indem eine, mehrere oder alle Zonen nach dem beschriebenen Prinzip aufgebaut werden.In systems which consist of several successively arranged treatment zones, the desired variable centering can be provided by one, several or all zones are constructed according to the described principle.

Auch ist im Rahmen der Erfindung eine unterschiedliche Teilung der Trennstellen in den Düsenelementen einer Zone (Mitte/Außen) ist denkbar. Ebenfalls ist beim Einsatz von mehreren Zentrierzonen eine unterschiedliche Teilung der Trennstellen in den verschiedenen Zentrierzonen denkbar. Ferner ist auch ein Einsatz des beschriebenen Zentriersystems auf nur einer oder auf beiden Flächen des Bandes denkbar.Also, in the context of the invention, a different division of the separation points in the nozzle elements of a zone (center / outside) is conceivable. Likewise, if several centering zones are used, a different division of the separation points in the different centering zones is conceivable. Furthermore, use of the centering system described on only one or both surfaces of the tape is conceivable.

Es ist auch möglich, eine weitere Trennung der Umwälzsysteme für die rechte und die linke Außenseite zu realisieren, so dass die drei Bereiche Rechts/Mitte/Links jeweils von einem getrennt regelbaren Umwälzsystem versorgt werden.It is also possible to realize a further separation of the circulation systems for the right and the left outside, so that the three areas right / center / left are each supplied by a separately controllable circulation system.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass jedes Düsenelement neben der mittleren Düsenteilfläche an seinen Enden jeweils mehrere äußere Düsenteilflächen aufweist. Dabei ist auch eine Unterteilung in mehr als insgesamt drei Bereiche, also mehr als zwei äußere Bereiche, denkbar. Insbesondere bei mehr als zwei äußeren Düsenbereichen wird die Anordnung der Umwälzventilatoren immer aufwändiger, bis hin zur externen Anordnung und Anbindung über entsprechende Kanal- oder Rohrleitungssysteme.In a further embodiment of the invention, it is provided that each nozzle element in addition to the central nozzle part surface has at its ends in each case a plurality of outer nozzle part surfaces. It is also a subdivision into more than a total of three areas, so more than two outer areas, conceivable. Especially with more than two outer nozzle areas, the arrangement of the circulation fans is always more complex, up to the external arrangement and connection over appropriate channel or piping systems.

Nach einer weiteren Ausgestaltung der Erfindung können die mittleren Düsenteilflächen etwa doppelt so groß wie die jeweils äußeren Düsenteilflächen sein. Es ist auch möglich, dass die mittlere Düsenteilfläche eines Düsenelements genauso groß ist, wie die Summe der äußeren Düsenteilflächen.According to a further embodiment of the invention, the central nozzle part surfaces may be about twice as large as the respective outer nozzle part surfaces. It is also possible that the central nozzle part surface of a nozzle element is the same size as the sum of the outer nozzle part surfaces.

Durch das erfindungsgemäße Aufteilen der Fluidströme über die Bandbreite wird erreicht, dass das Beblasungssystem in Bandlängsrichtung in einen mittleren und mindestes je einen rechten und linken äußeren Teil (mindestens 1 Paar) unterteilt wird, wobei der mittlere von einem und jedes äußere Paar von einem weiteren, getrennten System mit Fluid befüllt werden. Bei Betrieb mit schmalem Band kann somit ohne Umbaumaßnahmen die Befüllung der äußeren Bereiche paarweise reduziert oder abgeschaltet werden, so dass nur der jeweils benötigte Teil der ein Beblasungsfeld bildenden Düsenteilflächen aktiv ist. Auch ist eine separate Befüllung jedes einzelnen Bereiches ohne Paarbildung möglich.By dividing the fluid flows over the bandwidth according to the invention, it is achieved that the blowing system is subdivided in the longitudinal direction into a middle and at least one right and left outer part (at least 1 pair), the middle of one and each outer pair of another, separate system to be filled with fluid. When operating with a narrow band, the filling of the outer regions can thus be reduced in pairs or switched off without conversion measures, so that only the respectively required part of a Beblasungsfeld forming nozzle sub-surfaces is active. Also, a separate filling of each area without pairing is possible.

In einer Anordnung mit einem mittleren Bereich und genau einem Paar äußerer Düsenteilflächen wird die Befüllung sehr kompakt bei bevorzugt gegenläufiger Befüllung der Düsensysteme ermöglicht. Insbesondere bei mehr als einem Paar äußerer Düsenbereiche wird die Anordnung der Umwälzventilatoren immer aufwändiger, bis hin zur externen Anordnung und Anbindung über Kanal- oder Rohrleitungssysteme.In an arrangement with a central region and exactly one pair of outer nozzle sub-surfaces, the filling is made very compact, preferably with opposite filling of the nozzle systems. Especially in the case of more than one pair of outer nozzle areas, the arrangement of the circulation fans becomes more and more complex, up to the external arrangement and connection via duct or piping systems.

Eine weitere Lehre der Erfindung sieht vor, dass jedes Düsenelement einen Düsenkörper mit Trennblechen zur Erzeugung unterschiedlicher Düsenteilflächen aufweist.Another teaching of the invention provides that each nozzle element has a nozzle body with separating plates for producing different nozzle sub-surfaces.

Besonders zweckmäßig ist es, wenn die Düsenelemente modular aufgebaut sind. Auf diese Weise können je nach Anforderung unterschiedlichste Düsenfelder in der Art eines Baukastens konzipiert und realisiert werden.It is particularly useful if the nozzle elements are modular. In this way, depending on the requirements of different nozzle fields in the manner of a kit can be designed and implemented.

Für einen vereinfachten Betriebsablauf ist vorgesehen, dass die Beaufschlagung der einzelnen Düsenteilflächen aller Düsenelemente mittels einer automatisierbaren oder halbautomatischen Steuerung und/oder Regelung erfolgt.For a simplified operation, it is provided that the admission of the individual nozzle sub-surfaces of all nozzle elements by means of an automatable or semi-automatic control and / or regulation.

Die Erfindung wird anschließend anhand einer lediglich ein bevorzugtes Ausführungsbeispiel darstellende Zeichnung näher erläutert. In der Zeichnung zeigen

Fig. 1
das Düsensystem einer erfindungsgemäßen Vorrichtung in einer perspektivischen Darstellung,
Fig. 2
das Düsensystem aus Fig. 1 in einer weiteren perspektivischen Darstellung,
Fig. 3
das Düsensystem aus Fig. 1 in Seitenansicht,
Fig. 4
das Düsensystem aus Fig. 1 in Draufsicht und
Fig. 5
ein Düsenelement des Düsensystems aus Fig. 1 in perspektivischer Darstellung.
The invention will be explained in more detail with reference to a drawing showing only a preferred embodiment. In the drawing show
Fig. 1
the nozzle system of a device according to the invention in a perspective view,
Fig. 2
the nozzle system Fig. 1 in a further perspective view,
Fig. 3
the nozzle system Fig. 1 in side view,
Fig. 4
the nozzle system Fig. 1 in plan view and
Fig. 5
a nozzle element of the nozzle system Fig. 1 in perspective view.

Im dargestellten und insoweit bevorzugten Ausführungsbeispiel ist ein Düsensystem, auch Düsenherd genannt, einer erfindungsgemäßen Vorrichtung gezeigt.In the illustrated preferred embodiment, a nozzle system, also called nozzle hearth, of a device according to the invention is shown.

Die beiden Figuren 1 und 2 zeigen, jeweils aus einer anderen Perspektive, ein Düsensystem zur schwebenden Führung von (nicht dargestelltem) bahnförmigemThe two FIGS. 1 and 2 show, in each case from another perspective, a nozzle system for the floating guidance of (not shown) web-shaped

Material, bevorzugt für die Verwendung mit Metallbändern, bei der das bahnförmige Material mittels wenigstens einem Fluidstrom im Wesentlichen horizontal getragen und geführt wird. Dazu dient eine Vielzahl einzelner, in Richtung des Bahnverlaufs benachbart hintereinander angeordneter Düsenelemente 1. Die eigentliche Düsenfläche jedes Düsenelements 1 weist dabei im dargestellten und insoweit bevorzugten Ausführungsbeispiel eine mittlere Düsenteilfläche 2a und äußere Düsenteilflächen 2b und 2c auf. Bevorzugt bilden dabei die Düsenteilfläche 2a und die äußeren Düsenteilflächen 2b und 2c jedes Düsenelements 1 eine rechteckige Düsenfläche, deren Längsrichtung quer zur Transportrichtung des bahnförmigen Materials angeordnet ist. Auf die Darstellung der die Düsenelemente nach oben abschließenden Luftaustrittselemente ist zur besseren Darstellung der Aufteilung in einzelne Kanäle verzichtet worden.Material, preferably for use with metal bands, in which the web-like material is carried and guided substantially horizontally by means of at least one fluid flow. For this purpose, a plurality of individual, in the direction of the web course adjacent successively arranged nozzle elements 1. The actual nozzle surface of each nozzle member 1 has in the illustrated and so far preferred embodiment, a central nozzle part surface 2a and outer nozzle part surfaces 2b and 2c. In this case, the nozzle sub-area 2a and the outer nozzle sub-areas 2b and 2c of each nozzle element 1 preferably form a rectangular nozzle area whose longitudinal direction is arranged transversely to the transport direction of the web-shaped material. On the representation of the nozzle elements upwards final air outlet elements has been omitted for better representation of the division into individual channels.

Zum schwebenden Tragen und Führen des Bandmaterials dient ein Fluidstrom, der in für sich bekannter Weise mittels zweier Ventilatoren 3a und 3b erzeugt wird. Der erzeugte Fluidstrom wird von jedem Ventilator 3a bzw. 3b über entsprechend angeordnete korrespondierende Strömungskanäle 4a bzw. 4b dem Düsensystem zugeführt.For floating support and guiding the strip material is a fluid flow, which is generated in a conventional manner by means of two fans 3a and 3b. The generated fluid flow is supplied from each fan 3a or 3b via correspondingly arranged corresponding flow channels 4a and 4b to the nozzle system.

In Fig. 1 ist deutlich erkennbar, dass der Strömungskanal 4a im mittleren Bereich des Düsenfeldes endet und dass von dort aus alle mittleren Düsenteilflächen 2a der Düsenelemente 1 von unten beaufschlagt werden. Fig. 2 zeigt, dass sich der Strömungskanal 4b im Endbereich des Düsenfeldes aufteilt und dass von dort aus, wiederum von unten, alle äußeren Düsenteilflächen 2b und 2c der Düsenelemente 1 beaufschlagt werden.In Fig. 1 clearly shows that the flow channel 4a ends in the central region of the nozzle array and that from there all central nozzle sub-surfaces 2a of the nozzle elements 1 are acted upon from below. Fig. 2 shows that the flow channel 4b divides in the end region of the nozzle array and that from there, again from below, all outer nozzle part surfaces 2b and 2c of the nozzle elements 1 are acted upon.

Auf diese Weise lässt sich der mittlere Teilstrom des Fluids, der durch die Düsenteilflächen 2a strömt, in erster Linie zum schwebenden Tragen des Bandmaterials nutzen und die seitliche Führung des Bandes erfolgt vor allem durch Beaufschlagung von Fluid durch die seitlichen Düsenteilflächen 2b und 2c. Die sich aus strömungstechnischen Gründen verjüngenden unter dem Düsenfeld angeordneten Verlängerungen der Strömungskanäle 4a und 4b lassen sich deutlich der Fig. 3 entnehmen, in der eine Seitenansicht des Düsenfeldes aus den Figuren 1 und 2 dargestellt ist.In this way, the mean partial flow of the fluid flowing through the nozzle sub-surfaces 2a can be used primarily to float the strip material and the lateral guidance of the belt is effected mainly by the application of fluid through the lateral nozzle sub-surfaces 2b and 2c. The tapered for fluidic reasons arranged below the nozzle field Extensions of the flow channels 4a and 4b can be clearly the Fig. 3 in which a side view of the nozzle array from the FIGS. 1 and 2 is shown.

Fig. 4 zeigt eine Draufsicht des Düsenfeldes aus den Figuren 1 und 2. Man erkennt hier deutlich die einzelnen Strömungsbereiche: einen ersten, mittleren Strömungsbereich A und die beiden äußeren Bereiche B und C. Dabei erlaubt die bevorzugt gegenläufige Befüllung der beiden Bereiche A bzw. B und C eine sehr kompakte Anordnung der erfindungsgemäßen Vorrichtung. Die beiden Umwälzventilatoren können wie dargestellt, bevorzugt seitlich, beide auf einer Seite angeordnet werden. Es ist jedoch auch möglich, diese auch seitlich auf beiden Seiten oder hängend in der Decke mittig über dem Band oder hängend, seitlich gleich oder seitlich wechselweise versetzt zur Bandmitte, oder stehend von unten anzuordnen. Auch sind beliebige Kombinationen aus den genannten Anordnungen im Rahmen der erfindungsgemäßen Lösung umfasst. Fig. 4 shows a plan view of the nozzle array of the FIGS. 1 and 2 , The individual flow regions can be clearly seen here: a first, middle flow region A and the two outer regions B and C. The preferably opposite filling of the two regions A or B and C permits a very compact arrangement of the device according to the invention. The two circulating fans can, as shown, preferably be arranged laterally, both on one side. However, it is also possible, this laterally on both sides or hanging in the ceiling above the tape or hanging, laterally equal or laterally alternately offset to the center of the band, or to arrange standing from below. Also, any combinations of said arrangements are included within the scope of the inventive solution.

Fig. 5 zeigt, in vergrößerter perspektivischer Darstellung, ein Düsenelement 1, bei dem die einzelnen Düsenteilflächen 2a, 2b und 2c klar erkennbar sind. Dabei besteht das Düsenelement 1 bevorzugt zunächst und im Wesentlichen aus einem Düsenkörper 5, welcher zunächst und im Wesentlichen aus einem sich von unten nach oben konisch erweiternden Gehäuse besteht. Das Gehäuse ist nach unten hin zu den (nicht dargestellten) Strömungskanälen offen. An seiner Oberseite weist das Düsenelement 1 ein Ausströmelement 6 auf. Die Oberseite des Ausströmelements kann dabei, wie dargestellt, je nach gewünschtem Strömungsverlauf ausgebildet sein und Öffnungen zum Durchtritt des Fluids aufweisen. Im gezeigten Ausführungsbeispiel der Fig. 5 sind als Öffnungen eine Vielzahl von Löchern 7 gezeigt. Fig. 5 shows, in an enlarged perspective view, a nozzle element 1, in which the individual nozzle sub-areas 2a, 2b and 2c are clearly visible. In this case, the nozzle element 1 preferably initially and essentially consists of a nozzle body 5, which initially and essentially consists of a conically widening from bottom to top housing. The housing is open at the bottom to the flow channels (not shown). At its upper side, the nozzle element 1 has an outflow element 6. The top of the Ausströmelements can be formed as shown, depending on the desired flow path and have openings for the passage of the fluid. In the illustrated embodiment of the Fig. 5 are shown as openings a plurality of holes 7.

Die Unterteilung in die einzelnen für die unterschiedliche Beaufschlagung mit Fluid genutzten Düsenteilflächen 2a, 2b und 2c, erfolgt zweckmäßiger Weise durch in den Düsenkörper eingesetzte Trennbleche 8a und 8b. Fig. 5 zeigt ferner, dass ggf. noch weitere, außen am Düsenelement 1 angeordnete Kanäle vorhanden sein können, wobei zur Illustration außen zwei weitere Düsenteilflächen 2d und 2e strichpunktiert angedeutet sind.The subdivision into the individual nozzle sub-areas 2a, 2b and 2c used for the different admission of fluid is expediently carried out by separating plates 8a and 8b inserted into the nozzle body. Fig. 5 also shows that, if appropriate, further channels arranged outside the nozzle element 1 can be present, wherein, for illustration purposes, two further nozzle sub-areas 2d and 2e are indicated by dash-dotted lines.

Es wird nochmals darauf hingewiesen, dass die Zeichnung nur ein bevorzugtes Ausführungsbeispiel zeigt und dass die erfindungsgemäße Vorrichtung nicht auf die dargestellte Konstruktion beschränkt ist. Insbesondere sind auch Düsenelemente mit weiteren äußeren Düsenteilflächen denkbar, insbesondere bei sich häufig ändernden Bandbreiten, um die Vorrichtung durch Zu- oder Abschaltung einzelner Strömungsbereiche möglichst energieeffizient arbeiten zu lassen.It is again pointed out that the drawing shows only a preferred embodiment and that the device according to the invention is not limited to the illustrated construction. In particular, nozzle elements with further outer nozzle sub-surfaces are also conceivable, in particular with frequently changing bandwidths in order to operate the device as energy-efficiently as possible by connecting or disconnecting individual flow regions.

Claims (12)

  1. Device for the suspended guidance of web-shaped material, in particular of metal strips, in which the web-shaped material is guided in an essentially horizontal manner by means of at least one fluid flow, having a plurality of individual nozzle elements (1) arranged one after the other in the direction of the trajectory and forming a common nozzle field,
    wherein each nozzle element (1) has different nozzle part surfaces (2a, 2b, 2c) and wherein each nozzle element (1) has a central nozzle part surface (2a) and outer nozzle part surfaces (2b, 2c) arranged transverse to the direction of transport of the web-shaped material and adjacent to the central nozzle part surface (2a),
    characterised in that
    the quantity of the fluid that escapes from the individual nozzle part surfaces (2a, 2b, 2c) can be regulated separately for each nozzle part surface (2a, 2b, 2c) of a nozzle element (1).
  2. Device according to Claim 1, wherein the nozzle elements have a rectangular nozzle surface, the longitudinal direction of which is arranged transverse to the direction of transport of the web-shaped material,
    characterised in that
    each nozzle element (1) has a central nozzle part surface (2a) and outer nozzle part surface (2b or 2c) on each of its ends.
  3. Device according to Claim 1,
    characterised in that
    each nozzle element (1) has several outer nozzle part surfaces (2b, 2c) adjacent to the central nozzle part surface (2a) on the ends of this.
  4. Device according to Claim 1 or 2,
    characterised in that
    the central nozzle part surface (2a) is approximately twice as large as the respective outer nozzle part surfaces (2b, 2c).
  5. Device according to Claim 1 or 3,
    characterised in that
    the central nozzle part surface (2a) of a nozzle element (1) is precisely as large as the sum of all of the outer nozzle part surfaces (2b, 2c).
  6. Device according to any one of Claims 1 to 5,
    characterised in that
    the central nozzle part surface (2a) of each nozzle element (1) is supplied with fluid by a first ventilator (3a) and the outer nozzle part surfaces (2b, 2c) by a further ventilator (3b).
  7. Device according to any one of Claims 1 to 6,
    characterised in that
    all nozzle part surfaces of a nozzle element are individually supplied with fluid.
  8. Device according to any one of Claims 1 to 7,
    characterised in that
    the corresponding nozzle part surfaces (2a, 2b, 2c) of a plurality of nozzle elements (1) are jointly supplied with fluid.
  9. Device according to Claim 8,
    characterised in that
    supplying of the corresponding nozzle part surfaces (2a or 2b and 2c) with fluid occurs via flow channels (4a or 4b) which are connected to the nozzle array in an opposite direction.
  10. Device according to any one of Claims 1 to 9,
    characterised in that
    each nozzle element (1) has a nozzle body (5) with separator plates (8a, 8b) for creating different nozzle part surfaces (2a, 2b, 2c).
  11. Device according to any one of Claims 1 to 10,
    characterised in that the
    nozzle elements are modular in construction.
  12. Device according to any one of Claims 1 to 11,
    characterised in that
    the supplying of the individual nozzle part surfaces of all nozzle elements takes place by means of automatable control and/or regulation.
EP15165861.4A 2014-04-30 2015-04-30 Device for the suspended guidance of strip-shaped material Not-in-force EP2942408B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL15165861T PL2942408T3 (en) 2014-04-30 2015-04-30 Device for the suspended guidance of strip-shaped material
SI201530242T SI2942408T1 (en) 2014-04-30 2015-04-30 Device for the suspended guidance of strip-shaped material
HRP20180710TT HRP20180710T1 (en) 2014-04-30 2018-05-07 Device for the suspended guidance of strip-shaped material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014006233.3A DE102014006233A1 (en) 2014-04-30 2014-04-30 Device for the floating guidance of sheet material

Publications (2)

Publication Number Publication Date
EP2942408A1 EP2942408A1 (en) 2015-11-11
EP2942408B1 true EP2942408B1 (en) 2018-04-18

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EP (1) EP2942408B1 (en)
DE (2) DE102014006233A1 (en)
HR (1) HRP20180710T1 (en)
PL (1) PL2942408T3 (en)
SI (1) SI2942408T1 (en)

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Publication number Priority date Publication date Assignee Title
DE102021214063A1 (en) 2021-12-09 2023-06-15 Volkswagen Aktiengesellschaft Treatment device and method for further treatment of 3D components

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Publication number Priority date Publication date Assignee Title
SE310117B (en) * 1965-07-08 1969-04-14 Svenska Flaektfabriken Ab
GB2075455B (en) * 1980-04-30 1984-08-22 Nippon Steel Corp Apparatus and method for supporting a metal strip under a static gas pressure
DE19710142B4 (en) 1997-03-12 2005-07-28 Carl Prof. Dr.-Ing. Kramer Device for the heat treatment of suspended conveyors - levitation furnace
DE19747040A1 (en) * 1997-08-28 1999-03-04 Heidelberger Druckmasch Ag Air cushion guide
DE19804184A1 (en) * 1998-02-03 1999-08-05 Kramer Carl Device for floating guidance of tapes
DE10358142A1 (en) 2003-12-10 2005-07-14 Otto Junker Gmbh Device for floating sheet material
DE102005054995B4 (en) 2005-07-28 2014-03-13 Otto Junker Gmbh Nozzle system for the treatment of sheet material
DE102006056518A1 (en) 2006-11-06 2008-05-08 Otto Junker Gmbh Device for the floating guidance of sheet material
JP2008247507A (en) * 2007-03-29 2008-10-16 Fujifilm Corp Web transport device and solution film manufacturing method
DE102011103806B3 (en) 2011-06-01 2012-11-22 Otto Junker Gmbh Apparatus for floating metallic strips by means of a gas and a method for operating such a device

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Title
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Publication number Publication date
PL2942408T3 (en) 2018-09-28
EP2942408A1 (en) 2015-11-11
DE202014103399U1 (en) 2014-08-01
DE102014006233A1 (en) 2015-11-05
SI2942408T1 (en) 2018-06-29
HRP20180710T1 (en) 2018-06-15

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