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EP2122033B1 - Dyeing apparatus and method - Google Patents

Dyeing apparatus and method Download PDF

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Publication number
EP2122033B1
EP2122033B1 EP08715707A EP08715707A EP2122033B1 EP 2122033 B1 EP2122033 B1 EP 2122033B1 EP 08715707 A EP08715707 A EP 08715707A EP 08715707 A EP08715707 A EP 08715707A EP 2122033 B1 EP2122033 B1 EP 2122033B1
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EP
European Patent Office
Prior art keywords
goods
rollers
dyeing
assembly according
roller
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
EP08715707A
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German (de)
French (fr)
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EP2122033B8 (en
EP2122033A1 (en
Inventor
Horst Lang
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.)
Fongs Europe GmbH
Original Assignee
GOLLER TEXTILMASCHINEN GmbH
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Publication of EP2122033A1 publication Critical patent/EP2122033A1/en
Application granted granted Critical
Publication of EP2122033B1 publication Critical patent/EP2122033B1/en
Publication of EP2122033B8 publication Critical patent/EP2122033B8/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0005Fixing of chemicals, e.g. dyestuffs, on textile materials
    • D06B19/0029Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
    • D06B19/0035Fixing of chemicals, e.g. dyestuffs, on textile materials by steam the textile material passing through a chamber
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B21/00Successive treatments of textile materials by liquids, gases or vapours

Definitions

  • the invention relates to a novel dyeing device and a process for the continuous dyeing of knitwear.
  • the EP 0142 607 a fixing device with a plurality of cylinders arranged in two planes.
  • the adjacent cylinders of both planes are offset from each other by half a pitch.
  • all cylinders have the same diameter.
  • the web is guided on the cylinders in a zig-zag.
  • the hot-air nozzle systems are arranged on the fixing device to ensure heat application of the web.
  • the WO 2007/080134 A1 describes a fixing device with several identical rollers arranged in two rows. The free distances of the goods from roles to roles are unequaled.
  • the US 3,323,153 , the DE 1410118 and the GB 1247266 disclose a device in which the product to be treated is fixed by a damper device.
  • the goods are guided by drive belts in zig-zags on several Siebtrockedrommeln.
  • the circle centers of all screen drying drums are arranged in the same plane. Therefore, the web hardly finds any free distance between the rollers
  • the edge of the product does not curl despite any existing Axialzugs.
  • This is achieved by zigzagging the product over a number of preferably cylindrical rollers.
  • the diameters of the rollers are preferably so large and their distances are preferably so small that the web-shaped goods in the interior of the fixing, as long as it is exposed to the treatment atmosphere, over the greater part of its length is applied to rollers and only over the smaller part of their in the fixation device length between the rollers passes freely through the treatment atmosphere.
  • the length of the section of a web from leaving a roll until impact with the next roll is less than the length of the circumference of one or the other roll around which the fabric runs.
  • the length of the section of the free web is smaller than the circumference of a roll. Preferably, it is smaller than three-quarters of the circumference of a roll. Even more is preferred if the free path of the web is smaller than the diameter or even smaller than the radius of a roll. This Randeinrolltendenzen the web is effectively prevented. Nevertheless, the treatment atmosphere can act evenly on both sides of the web. This is achieved by zig-zagging the goods over the different rolls.
  • a saturated steam atmosphere (wet steam) is maintained in the fixing device.
  • This saturated steam atmosphere is substantially in thermal equilibrium with a water surface.
  • the product is wet through the fixing device.
  • the method is suitable for dyeing crocheted. These are particularly sensitive. Therefore, the tension acting on the fabric is controlled. This is done by detecting the forces prevailing or occurring on at least one roller.
  • the rollers are arranged in two rows, namely an upper row and a lower row.
  • the bearing reaction force occurring at the bearings of at least one lower roll is detected and regulated to a desired value.
  • the drive torque of at least one, but preferably several or all rollers is regulated so that the goods to be dyed are subject only to a low tensile stress.
  • the control device can cause it, that a maximum tensile stress is not exceeded.
  • the method is suitable for all classes of dyes, e.g. Vat dyes, sulfur dyes, reactive dyes, substantive dyes, direct dyes, and the like.
  • a dyeing device 1 illustrated, which is used for dyeing web-shaped product 2.
  • the fabric 2 may be woven fabric, knitted fabric, knitwear, for example, a cut circular knit tube, a thin felt or other goods. This is located in a reservoir 3, from which it is fed to a padder 4.
  • the padder 4 is formed by a trough containing a dyeing liquor 5 or other liquid treatment agent.
  • the product 2 is guided on its way through the padder 4 by one or more rollers 6. It runs essentially free of tension, whereby a stretching or stretching of the goods is avoided.
  • the dyeing liquor 5 wets the product 2, which leaves the padder 4 wet.
  • the product 2 reaches a fixing device 7, which also belongs to the dyeing device 1.
  • the fixing device 7 is followed by further treatment devices, such as a washing device 8, drying devices or the like. These may also belong to the dyeing device 1.
  • the fixing device 7 has a preferably closed against the environment housing 9.
  • the housing 9 can be hermetically closed and thus prevent the escape of the treatment atmosphere enclosed by it.
  • a plurality of rollers 10 are arranged, which define a zigzag-shaped path for the goods 2.
  • the rollers 10 are rotatably mounted and parallel to each other arranged.
  • the axes of rotation are preferably oriented horizontally.
  • the rollers 10 are divided into two groups.
  • a first group of rollers 11 is disposed above a second group of rollers 12.
  • the axes of rotation of the rollers 11 lie in a horizontal plane.
  • the axes of rotation of the rollers 12 lie in another horizontal plane, which is arranged parallel to the first-mentioned plane and below it.
  • the rollers 10 preferably have the same diameter. At least some of them, preferably rollers of the first group 11 are powered by a motor.
  • the drive can be provided by a single servomotor, which is connected by a suitable gear means with the driven rollers of the upper roller group 11. It is also possible to provide each of the rollers to be driven with a servomotor, which are controlled synchronously.
  • the rollers 10 of the lower roller group 12 may also be driven, but they may also be freely rotatably mounted and manage without drive.
  • At least one of the rollers, preferably the lower roller group 12 is provided with a bearing device 13, as in Fig. 3 is illustrated schematically.
  • the bearing device 13 supports the weight of the roller 10.
  • the bearing device 13 preferably contains a force-measuring device by means of which that on the bearing device 13 attacking weight of the roller 10 is detected. The weight force detected there is reduced by the amount of tensile force exerted by the web on the roller 10. In this way, with the sensor device provided on the bearing device 13, the tensile force can be detected, which acts as a longitudinally stretching force on the product 2.
  • a not further illustrated control device receives the signal detected by the sensor device and controls Based on which the at least one drive means of the rollers 10 so that the force acting on the goods traction remains low, but in any case does not exceed an upper limit.
  • the rollers 10, are like that Fig. 1 and 2 illustrate arranged at close intervals.
  • the distance a1 between the plane 14 containing the axes of rotation of the rollers 10 of the upper roller group 11 and the plane 15 containing the axes of rotation of the rollers 10 of the lower roller group 12 is preferably less than the circumference of a roller 10.
  • the product 2 winds around the rollers 10, passing from a roller 10 of the lower roller group 12 and passing on a roller of the upper roller group 11. In doing so, she defines a flow point 16 and a casserole point 17.
  • the run-off point 16 marks a parallel to the axis of rotation of the roller 10 extending line on the lateral surface of the roller 10.
  • the casserole 17 marks a parallel to the axis of rotation of the roller 10 extending line on the lateral surface of the roller 10.
  • the distance between the drain point 16 and the Preferably, this distance is even less than the diameter of the roller 10.
  • At least the first mentioned but preferably also the second condition applies to the transition of the web from each roller 10 of the roller group 11 to each roller 10 of the role group 12 and vice versa. This applies to all rollers 10, with the exception of terminal rollers, which serve for feeding in and out of the web in the zig-zag path determined by the rollers 10.
  • the distance a2 between the axes of rotation of adjacent rollers 10 of one and the same roller group 11 or 12 is smaller than twice Diameter of each roller 10.
  • the wrap angle of the web on each roller 10 is significantly greater than 180 °.
  • the wrap angle is greater than 200 °, preferably greater than 250 °, and most preferably about 270 °.
  • the product 2 is in passing through the fixing device 7 over most of its distance to the rollers 10, while it passes over only short distances freely through the treatment atmosphere.
  • the rollers thus provide a good support of the web and prevent curling of the edges.
  • the web gets in intensive contact with the treatment atmosphere.
  • This is, for example, a wet steam atmosphere which can be provided by a steam generator 18 formed in or on the dyeing device 7.
  • the treatment atmosphere is in continuous contact with water present in the steam generator 18.
  • the treatment atmosphere acts on both sides of the product 2. Nevertheless, the knitwear is supported on the rollers 10 respectively. It only runs over short distances open and wide.
  • the saturated steam dyeing process has proven to be particularly process-safe, whereby a wide variety of coloring options are available.
  • a saturated steam fixing is proposed for dyeing broadly designed knitwear in the wet state, which has an interior space with rollers 10 for guiding the knitwear.
  • the knitwear is zig-zagged around the rollers 10, resting against the rollers 10 over the greater part of its length and freely traversing the saturated steam atmosphere only for a minor portion of its length.
  • the process is extremely process-safe and versatile.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

The invention relates to a dyeing method in which spread knit fabric that is in a wet state is dyed in a saturated steam-type mordanting device comprising an interior with rolls (10) for guiding the knit fabric. The knit fabric is guided about the rolls (10) in a zigzag, resting against the rolls (10) along a major section of the length thereof while freely penetrating the saturated steam atmosphere only along a minor section of the length thereof. Said method is extremely reliable and versatile.

Description

Die Erfindung betrifft eine neuartige Färbeeinrichtung und ein Verfahren zum kontinuierlichen Färben von Maschenware.The invention relates to a novel dyeing device and a process for the continuous dyeing of knitwear.

Es sind verschiedene Färbeverfahren bekannt und in Gebrauch. Lediglich beispielhaft wird dazu auf die DE 2 231 767 verwiesen. Diese Druckschrift offenbart ein Verfahren zum Kontinuefärben von bahnförmiger Ware. Die bahnförmige Ware wird dabei offen, d.h. in breit ausgelegter Form, durch den Färbeprozess geführt. Aufgrund der auf die Ware einwirkenden Zugspannungen neigen deren Ränder deshalb zum Einrollen. Die genannte Druckschrift schlägt zur Abhilfe vor, die Ware ganzflächig mit einem Hilfsmittel zu behandeln, dass das Einrollen der Ränder verhindert.Various staining methods are known and in use. Only by way of example is on the DE 2 231 767 directed. This document discloses a process for the continuous dyeing of web-shaped goods. The web-shaped product is thereby open, that is performed in a broad outlined form, through the dyeing process. Due to the tensile stresses acting on the goods, their edges therefore tend to curl up. The cited document suggests a remedy to treat the goods over the entire surface with an aid that prevents the curling of the edges.

Diese Vorgehensweise lässt sich nicht in jedem Fall anwenden. Nicht nur dass ein zusätzliches Hilfsmittel erforderlich ist, das auf die Ware aufgetragen werden muss und somit einen zusätzlichen Prozessschritt sowie Kosten verursacht, sondern auch dass das Hilfsmittel unter Umständen den Färbeprozess beeinflusst.This procedure can not be applied in every case. Not only that an additional tool is required, which must be applied to the product and thus causes an additional process step and costs, but also that the aid may affect the dyeing process.

Weiter offenbart die EP 0142 607 eine Fixiervorrichtung mit mehreren in zwei Ebenen angeordneten Zylindern. Die benachbarten Zylinder beider Ebenen sind jeweils um eine halbe Abstandsteilung gegeneinander versetzt. Außerdem weisen alle Zylinder gleiche Durchmesser auf. Die Warenbahn wird auf den Zylindern im Zick-Zack geführt. Die Heißluft-Düsen-Systeme sind auf der Fixiervorrichtung angeordnet, um eine Wärmebeaufschlagung der Warenbahn zu gewährleisten.Next discloses the EP 0142 607 a fixing device with a plurality of cylinders arranged in two planes. The adjacent cylinders of both planes are offset from each other by half a pitch. In addition, all cylinders have the same diameter. The web is guided on the cylinders in a zig-zag. The hot-air nozzle systems are arranged on the fixing device to ensure heat application of the web.

Die WO 2007/080134 A1 beschreibt eine Fixiervorrichtung mit mehreren gleichen, in zwei Reihen angeordneten Rollen. Die freien Wegstrecken der Ware von Rollen zu Rollen sind aber ungleich.The WO 2007/080134 A1 describes a fixing device with several identical rollers arranged in two rows. The free distances of the goods from roles to roles are unequaled.

Die US 3 323 153 , die DE 1410118 und die GB 1247266 offenbaren eine Vorrichtung, in der die zu behandelnde Ware durch eine Dämpfereinrichtung fixiert wird. Die Ware wird durch Treibriemen im Zick-Zack auf mehreren Siebtrockentrommeln geführt. Die Kreismittelpunkte aller Siebtrockentrommeln sind in einer gleichen Ebene angeordnet. Deswegen findet die Warenbahn kaum freie Wegstrecke zwischen den Rollen vorThe US 3,323,153 , the DE 1410118 and the GB 1247266 disclose a device in which the product to be treated is fixed by a damper device. The goods are guided by drive belts in zig-zags on several Siebtrockedrommeln. The circle centers of all screen drying drums are arranged in the same plane. Therefore, the web hardly finds any free distance between the rollers

Aus der US 3 727 325 sind eine Vorrichtung und ein Verfahren zur Wärmebehandlung der Textilware mit Infrarotstrahlen bekannt. Es sind mehrere Infrarot-Heizkörper um die Warenbahn herum angeordnet, um die Textilware aufzuheizen. Außerdem sind mehrere Siebtrommeln unmittelbar einander benachbart in einem Gehäuse angeordnet. Auf den Siebtrommeln ist die Textilware im Zick-Zack geführt. Die Warenbahn findet kaum freie Wegstrecke zwischen den Siebtrommeln vor. Auf den Siebtrommeln ist Maschendraht angeordnet, der von einer Ansaugströmung durchströmt ist.From the U.S. 3,727,325 For example, an apparatus and a method for heat treating the fabric with infrared rays are known. There are several infrared heaters arranged around the web around to heat the fabric. In addition, a plurality of sieve drums are arranged directly adjacent to each other in a housing. The textile goods are zig-zagged on the screening drums. The web hardly finds any free path between the screening drums. On the screening drums mesh wire is arranged, which is flowed through by a suction flow.

Aus der DE 20 36 122 und der US 4 304 109 ist jeweils eine Vorrichtung bekannt, in der mehrere drehbar gelagerte Rollen angeordnet sind, um die Warenbahn im Zick-Zack zu führen.From the DE 20 36 122 and the US 4,304,109 In each case, a device is known in which a plurality of rotatably mounted rollers are arranged to guide the web in zigzag.

Davon ausgehend ist es Aufgabe der Erfindung ein Färbeverfahren sowie eine Färbeeinrichtung anzugeben, das bzw. die sich zum kontinuierlichen Färben bahnförmiger Ware eignet.On this basis, it is an object of the invention to provide a dyeing method and a dyeing device which is suitable for the continuous dyeing of web-shaped goods.

Diese Aufgabe wird mit der Färbeeinrichtung nach Anspruch 1 und dem Verfahren nach Anspruch 13 gelöst:

  • Das erfindungsgemäße Verfahren und die erfindungsgemäße Färbeeinrichtung eignen sich zum Kontinuefärben von bahnförmiger Ware wie beispielsweise Maschenware oder auch dünner, filzartiger Ware im ausgebreiteten Zustand. Die Ware wird durch ein Färbebad geführt, das in einem so genannten Foulard bereit gehalten wird. Hier wird die Ware mit einem flüssigen Färbemittel getränkt. Vorzugsweise durchläuft die Ware den Foulard mit gleichmäßiger Geschwindigkeit kontinuierlich. Nach dem Verlassen des Foulards gelangt die Warenbahn in breit ausgelegter Form in eine Fixiereinrichtung, in der sie einer Behandlungsatmosphäre ausgesetzt wird. Diese Behandlungsatmosphäre kann dazu dienen, die zuvor auf die Ware aufgebrachte Farbe zu fixieren der auch dazu, mit der aufgebrachten Farbe oder einem sonstigen Behandlungsmittel chemisch zu reagieren. Die Einrichtung eignet sich somit beispielsweise auch zum Reaktionsfärben.
This object is achieved with the dyeing device according to claim 1 and the method according to claim 13:
  • The inventive method and the dyeing device according to the invention are suitable for continuous dyeing of web-shaped goods such as knitwear or thin, felt-like goods in the extended state. The goods are passed through a dyebath, which is kept ready in a so-called padder. Here, the goods are soaked with a liquid colorant. Preferably, the product continuously passes through the padder at a uniform speed. After leaving the padder, the web passes in a broadly laid out form into a fixing device, in which it is exposed to a treatment atmosphere. This treatment atmosphere may serve to fix the paint previously applied to the fabric, which also chemically react with the applied paint or other treatment agent. The device is thus also suitable, for example, for reaction dyeing.

In der Fixiereinrichtung kommt es darauf an, dass sich der Rand der Ware trotz gegebenenfalls vorhandenen Axialzugs nicht einrollt. Dies wird erreicht, indem die Ware im Zick-Zack über eine Anzahl von vorzugsweise zylindrisch ausgebildeten Rollen geführt wird. Die Durchmesser der Rollen sind vorzugsweise so groß und deren Abstände sind vorzugsweise so gering, dass die bahnförmige Ware in dem Innenraum der Fixiereinrichtung, solange sie der Behandlungsatmosphäre ausgesetzt ist, über den größeren Teil ihrer Länge an Rollen anliegt und nur über den geringeren Teil ihrer in der Fixiereinrichtung befindlichen Länge zwischen den Rollen frei durch die Behandlungsatmosphäre läuft. Mit anderen Worten: Die Länge des Abschnitts einer Warenbahn vom Verlassen einer Rolle bis zum Auftreffen auf die nächste Rolle ist geringer als die Länge des Umfangs der einen oder anderen Rolle, um die die Warenbahn herumläuft. Die Länge des Abschnitts der freien Warenbahn ist kleiner als der Umfang einer Rolle. Vorzugsweise ist er kleiner als Dreiviertel des Umfangs einer Rolle. Noch mehr wird bevorzugt, wenn die freie Wegstrecke der Warenbahn kleiner als der Durchmesser oder gar kleiner als der Radius einer Rolle ist. Damit wird Randeinrolltendenzen der Warenbahn wirksam vorgebeugt. Dennoch kann die Behandlungsatmosphäre auf beide Seiten der Warenbahn gleichmäßig einwirken. Dies wird erreicht, indem die Ware im Zick-Zack über die verschiedenen Rollen läuft.In the fixing device, it is important that the edge of the product does not curl despite any existing Axialzugs. This is achieved by zigzagging the product over a number of preferably cylindrical rollers. The diameters of the rollers are preferably so large and their distances are preferably so small that the web-shaped goods in the interior of the fixing, as long as it is exposed to the treatment atmosphere, over the greater part of its length is applied to rollers and only over the smaller part of their in the fixation device length between the rollers passes freely through the treatment atmosphere. In other words, the length of the section of a web from leaving a roll until impact with the next roll is less than the length of the circumference of one or the other roll around which the fabric runs. The length of the section of the free web is smaller than the circumference of a roll. Preferably, it is smaller than three-quarters of the circumference of a roll. Even more is preferred if the free path of the web is smaller than the diameter or even smaller than the radius of a roll. This Randeinrolltendenzen the web is effectively prevented. Nevertheless, the treatment atmosphere can act evenly on both sides of the web. This is achieved by zig-zagging the goods over the different rolls.

Bei einer bevorzugten Ausführungsform wird in der Fixiereinrichtung eine Sattdampfatmosphäre (Nassdampf) aufrecht erhalten. Diese Sattdampfatmosphäre steht mit einer Wasseroberfläche im Wesentlichen im thermischen Gleichgewicht. Die Ware wird nass durch die Fixiereinrichtung geführt. Das Verfahren eignet sich zur Färbung von Gestricken. Diese sind besonders zugempfindlich. Deshalb wird, die auf das Gestrick einwirkende Zugspannung kontrolliert. Dies erfolgt durch Erfassung der an zumindest einer Rolle herrschenden bzw. auftretenden Kräfte. Vorzugsweise sind die Rollen in zwei Reihen angeordnet, nämlich einer oberen Reihe und einer unteren Reihe. Bei bevorzugten Ausführungsformen wird die an den Lagern wenigstens einer unteren Rolle auftretende Lagerreaktionskraft erfasst und auf einen gewünschten Wert reguliert. Zur Regulierung wird bei einer Ausführungsform der Erfindung das Antriebsdrehmoment wenigstens einer, vorzugsweise aber mehrerer oder aller Rollen, so reguliert, dass die zu färbende Ware lediglich einer geringen Zugspannung unterliegt. Die Regeleinrichtung kann dabei bewirken, dass eine Maximalzugspannung nicht überschritten wird.In a preferred embodiment, a saturated steam atmosphere (wet steam) is maintained in the fixing device. This saturated steam atmosphere is substantially in thermal equilibrium with a water surface. The product is wet through the fixing device. The method is suitable for dyeing crocheted. These are particularly sensitive. Therefore, the tension acting on the fabric is controlled. This is done by detecting the forces prevailing or occurring on at least one roller. Preferably, the rollers are arranged in two rows, namely an upper row and a lower row. In preferred embodiments, the bearing reaction force occurring at the bearings of at least one lower roll is detected and regulated to a desired value. For regulation, in one embodiment of the invention, the drive torque of at least one, but preferably several or all rollers, is regulated so that the goods to be dyed are subject only to a low tensile stress. The control device can cause it, that a maximum tensile stress is not exceeded.

Es ergibt sich insgesamt ein besonders prozesssicheres Sattdampffärbeverfahren mit einer breiten Palette von Färbemöglichkeiten. Das Verfahren eignet sich für alle Farbstoffklassen, z.B. Küpenfarbstoffe, Schwefelfarbstoffe, Reaktivfarbstoffe, Substantivfarbstoffe, Direktfarbstoffe und dergleichen.Overall, this results in a particularly reliable saturated steam dyeing process with a wide range of dyeing possibilities. The method is suitable for all classes of dyes, e.g. Vat dyes, sulfur dyes, reactive dyes, substantive dyes, direct dyes, and the like.

Sollte bahnförmige Ware mit offener Kante zu verarbeiten sein, die zum Ausfransen neigt, kann diese Kante durch Aufbringen von Leim stabilisiert werden. Jedenfalls aber ist eine ganzflächige Behandlung der Ware mit irgendeinem Stabilisierungsmittel nicht erforderlich.If web-shaped goods with an open edge are to be processed, which tends to frazzle, this edge can be stabilized by applying glue. In any case, a full-surface treatment of the product with any stabilizer is not required.

Weitere Details von Ausführungsformen der Erfindung ergeben sich aus der Zeichnung, der Beschreibung oder Unteransprüchen. Die Beschreibung beschränkt sich dabei auf wesentliche Aspekte der Erfindung, so wie sonstiger Gegebenheiten. Die Zeichnung ist ergänzend heranzuziehen. In der Zeichnung ist ein Ausführungsbeispiel der Erfindung veranschaulicht. Es zeigen:

Fig. 1
die erfindungsgemäße Färbeeinrichtung in einer sehr vereinfachten schematisierten Darstellung.
Fig. 2
drei Rollen, der zu der Fixiereinrichtung der Fär- beeinrichtung nach Fig. 1 gehörige Rollen in geo- metrischer Beziehung zueinander und
Fig. 3
eine Rolle der Fixiereinrichtung in schematisierter perspektivischer Darstellung.
Further details of embodiments of the invention will be apparent from the drawings, description or subclaims. The description is limited to essential aspects of the invention, as well as other circumstances. The drawing is to be used as a supplement. In the drawing, an embodiment of the invention is illustrated. Show it:
Fig. 1
the dyeing device according to the invention in a very simplified schematic representation.
Fig. 2
three rollers, which adjoin the fixing device of the dyeing device Fig. 1 associated roles in geometric relation to each other and
Fig. 3
a role of fixing in a schematic perspective view.

In Fig. 1 ist eine Färbeeinrichtung 1 veranschaulicht, die zum Färben bahnförmiger Ware 2 dient. Die Ware 2 kann Webware, Wirkware, Strickware, beispielsweise ein aufgeschnittener Rundstrickschlauch, ein dünner Filz oder eine sonstige Ware sein. Diese liegt in einem Vorratsbehälter 3, von dem aus sie einem Foulard 4 zugeführt wird. Der Foulard 4 wird durch einen Trog gebildet, der eine Färbeflotte 5 oder einen sonstigen flüssigen Behandlungsstoff enthält. Die Ware 2 wird auf ihrem Weg durch den Foulard 4 durch ein oder mehrere Rollen 6 geführt. Sie läuft dabei im Wesentlichen zugspannungsfrei, wodurch eine Reckung oder Dehnung der Ware vermieden wird. Die Färbeflotte 5 benetzt die Ware 2, die den Foulard 4 nass verlässt. Im unmittelbaren Anschluss an den Foulard 4 erreicht die Ware 2 eine Fixiereinrichtung 7, die ebenfalls zu der Färbeeinrichtung 1 gehört. An die Fixiereinrichtung 7 schließen sich weitere Behandlungseinrichtungen, wie beispielsweise eine Wascheinrichtung 8, Trocknungseinrichtungen oder dergleichen, an. Diese können ebenfalls zu der Färbeeinrichtung 1 gehören.In Fig. 1 is a dyeing device 1 illustrated, which is used for dyeing web-shaped product 2. The fabric 2 may be woven fabric, knitted fabric, knitwear, for example, a cut circular knit tube, a thin felt or other goods. This is located in a reservoir 3, from which it is fed to a padder 4. The padder 4 is formed by a trough containing a dyeing liquor 5 or other liquid treatment agent. The product 2 is guided on its way through the padder 4 by one or more rollers 6. It runs essentially free of tension, whereby a stretching or stretching of the goods is avoided. The dyeing liquor 5 wets the product 2, which leaves the padder 4 wet. Immediately following the padder 4, the product 2 reaches a fixing device 7, which also belongs to the dyeing device 1. The fixing device 7 is followed by further treatment devices, such as a washing device 8, drying devices or the like. These may also belong to the dyeing device 1.

Die Fixiereinrichtung 7 weist ein vorzugsweise gegen die Umgebung abgeschlossenes Gehäuse 9 auf. Das Gehäuse 9 kann hermetisch geschlossen sein und somit den Austritt der von ihm eingeschlossenen Behandlungsatmosphäre verhindern. Es ist jedoch auch möglich, wenigstens eine Druckausgleichöffnung vorzusehen, wodurch zwar übermäßiger Luftzutritt verhindert und ein Entweichen der Behandlungsatmosphäre unterbunden wird, ohne jedoch eine Druckdifferenz zwischen Umgebung und Behandlungsatmosphäre aufzubauen.The fixing device 7 has a preferably closed against the environment housing 9. The housing 9 can be hermetically closed and thus prevent the escape of the treatment atmosphere enclosed by it. However, it is also possible to provide at least one pressure equalization opening, whereby although excessive air access prevents and escape of the treatment atmosphere is prevented, but without building up a pressure difference between the environment and the treatment atmosphere.

In dem Gehäuse 9 sind mehrere Rollen 10 angeordnet, die für die Ware 2 einen Zick-Zack-förmigen Weg festlegen. Die Rollen 10 sind dazu drehbar gelagert und parallel zueinander angeordnet. Die Drehachsen sind vorzugsweise horizontal orientiert. Die Rollen 10 sind in zwei Gruppen aufgeteilt. Eine erste Gruppe von Rollen 11 ist oberhalb einer zweiten Gruppe von Rollen 12 angeordnet. Die Drehachsen der Rollen 11 liegen dabei in einer horizontalen Ebene. Die Drehachsen der Rollen 12 liegen dabei in einer anderen horizontalen Ebene, die parallel zu der erstgenannten Ebene und unterhalb derselben angeordnet ist. Die Rollen 10 weisen vorzugsweise gleiche Durchmesser auf. Wenigstens einige von ihnen, vorzugsweise Rollen der ersten Gruppe 11 sind motorisch angetrieben. Der Antrieb kann von einem einzigen Servomotor erbracht werden, der durch ein geeignetes Getriebemittel mit den anzutreibenden Rollen der oberen Rollengruppe 11 verbunden ist. Es ist auch möglich, jede der anzutreibenden Rollen mit einem Servomotor zu versehen, die synchron gesteuert sind. Die Rollen 10 der unteren Rollengruppe 12 können ebenfalls angetrieben sein, sie können jedoch auch frei drehbar gelagert sein und ohne Antrieb auskommen. Wenigstens eine der Rollen, vorzugsweise der unteren Rollengruppe 12 ist mit einer Lagereinrichtung 13 versehen, wie sie in Fig. 3 schematisch veranschaulicht ist. Die Lagereinrichtung 13 stützt das Eigengewicht der Rolle 10 ab. Außerdem enthält die Lagereinrichtung 13 vorzugsweise eine Kraftmesseinrichtung mittels derer dass an der Lagereinrichtung 13 angreifende Gewicht der Rolle 10 erfasst wird. Die dort erfasste Gewichtskraft vermindert sich um den Betrag, der von der Warenbahn auf die Rolle 10 ausgeübten Zugkraft. Auf diese Weise kann mit der an der Lagereinrichtung 13 vorgesehenen Sensoreinrichtung die Zugkraft erfasst werden, die als längsdehnende Kraft auf die Ware 2 wirkt.In the housing 9 a plurality of rollers 10 are arranged, which define a zigzag-shaped path for the goods 2. The rollers 10 are rotatably mounted and parallel to each other arranged. The axes of rotation are preferably oriented horizontally. The rollers 10 are divided into two groups. A first group of rollers 11 is disposed above a second group of rollers 12. The axes of rotation of the rollers 11 lie in a horizontal plane. The axes of rotation of the rollers 12 lie in another horizontal plane, which is arranged parallel to the first-mentioned plane and below it. The rollers 10 preferably have the same diameter. At least some of them, preferably rollers of the first group 11 are powered by a motor. The drive can be provided by a single servomotor, which is connected by a suitable gear means with the driven rollers of the upper roller group 11. It is also possible to provide each of the rollers to be driven with a servomotor, which are controlled synchronously. The rollers 10 of the lower roller group 12 may also be driven, but they may also be freely rotatably mounted and manage without drive. At least one of the rollers, preferably the lower roller group 12 is provided with a bearing device 13, as in Fig. 3 is illustrated schematically. The bearing device 13 supports the weight of the roller 10. In addition, the bearing device 13 preferably contains a force-measuring device by means of which that on the bearing device 13 attacking weight of the roller 10 is detected. The weight force detected there is reduced by the amount of tensile force exerted by the web on the roller 10. In this way, with the sensor device provided on the bearing device 13, the tensile force can be detected, which acts as a longitudinally stretching force on the product 2.

Eine nicht weiter veranschaulichte Steuereinrichtung erhält das von der Sensoreinrichtung erfasste Signal und steuert anhand dessen die wenigstens eine Antriebseinrichtung der Rollen 10 so an, dass die auf die Ware wirkende Zugkraft gering bleibt, jedenfalls aber einen oberen Grenzwert nicht überschreitet.A not further illustrated control device receives the signal detected by the sensor device and controls Based on which the at least one drive means of the rollers 10 so that the force acting on the goods traction remains low, but in any case does not exceed an upper limit.

Die Rollen 10, sind, wie die Fig. 1 und 2 veranschaulichen, in geringen Abständen zueinander angeordnet. Insbesondere ist der Abstand a1 zwischen der Ebene 14, die die Drehachsen der Rollen 10 der oberen Rollengruppe 11 enthält, und der Ebene 15, die die Drehachsen der Rollen 10 der unteren Rollengruppe 12 enthält, vorzugsweise geringer als der Umfang einer Rolle 10. Die Ware 2 schlängelt sich um die Rollen 10, wobei sie von einer Rolle 10 der unteren Rollengruppe 12 abläuft und auf einer Rolle der oberen Rollengruppe 11 gelangt. Dabei legt sie einen Ablaufpunkt 16 und einen Auflaufpunkt 17 fest. Der Ablaufpunkt 16 markiert eine parallel zur Drehachse der Rolle 10 verlaufende Linie auf, der Mantelfläche der Rolle 10. Ebenso markiert der Auflaufpunkt 17 eine parallel zur Drehachse der Rolle 10 verlaufende Linie auf der Mantelfläche der Rolle 10. Der Abstand zwischen dem Ablaufpunkt 16 und dem Auflaufpunkt 17 ist vorzugsweise geringer als der Umfang einer Rolle 10. Vorzugsweise ist dieser Abstand sogar geringer als der Durchmesser der Rolle 10. Zumindest die erstgenannte vorzugsweise aber auch die zweitgenannte Bedingung gilt für den Übergang der Warenbahn von jeder Rolle 10 der Rollengruppe 11 auf jede Rolle 10 der Rollengruppe 12 und umgekehrt. Dies betrifft alle Rollen 10 mit Ausnahme endständiger Rollen, die zum ein- und ausleiten der Warenbahn in den von den Rollen 10 festgelegten Zick-Zack-Weg dienen.The rollers 10, are like that Fig. 1 and 2 illustrate arranged at close intervals. In particular, the distance a1 between the plane 14 containing the axes of rotation of the rollers 10 of the upper roller group 11 and the plane 15 containing the axes of rotation of the rollers 10 of the lower roller group 12 is preferably less than the circumference of a roller 10. The product 2 winds around the rollers 10, passing from a roller 10 of the lower roller group 12 and passing on a roller of the upper roller group 11. In doing so, she defines a flow point 16 and a casserole point 17. The run-off point 16 marks a parallel to the axis of rotation of the roller 10 extending line on the lateral surface of the roller 10. Also, the casserole 17 marks a parallel to the axis of rotation of the roller 10 extending line on the lateral surface of the roller 10. The distance between the drain point 16 and the Preferably, this distance is even less than the diameter of the roller 10. At least the first mentioned but preferably also the second condition applies to the transition of the web from each roller 10 of the roller group 11 to each roller 10 of the role group 12 and vice versa. This applies to all rollers 10, with the exception of terminal rollers, which serve for feeding in and out of the web in the zig-zag path determined by the rollers 10.

Des Weiteren ist bei der Fixiereinrichtung 7 der Abstand a2 zwischen den Drehachsen benachbarter Rollen 10 ein und derselben Rollengruppe 11 oder 12 kleiner als der doppelte Durchmesser jeder Rolle 10. Dadurch ist der Umschlingungswinkel der Warenbahn an jeder Rolle 10 deutlich größer als 180°. Vorzugsweise ist der Umschlingungswinkel größer als 200°, vorzugsweise größer als 250° und im am meisten bevorzugten Falle etwa 270°. Auf diese Weise liegt die Ware 2 beim Durchlaufen der Fixiereinrichtung 7 über den größten Teil ihrer Wegstrecke an den Rollen 10 an, während sie über lediglich kurze Abstände frei durch die Behandlungsatmosphäre läuft. Einerseits bewirken die Rollen somit eine gute Abstützung der Warenbahn und verhindern ein Einrollen von deren Rändern. Andererseits gerät die Warenbahn in intensiven Kontakt mit der Behandlungsatmosphäre. Diese ist beispielsweise eine Nassdampfatmosphäre, die durch einen in oder an der Färbeeinrichtung 7 ausgebildeten Dampferzeuger 18 bereit gestellt werden kann. Vorzugsweise steht die Behandlungsatmosphäre in dauerndem Kontakt mit in dem Dampferzeuger 18 vorhandenem Wasser.Furthermore, in the fixing device 7, the distance a2 between the axes of rotation of adjacent rollers 10 of one and the same roller group 11 or 12 is smaller than twice Diameter of each roller 10. As a result, the wrap angle of the web on each roller 10 is significantly greater than 180 °. Preferably, the wrap angle is greater than 200 °, preferably greater than 250 °, and most preferably about 270 °. In this way, the product 2 is in passing through the fixing device 7 over most of its distance to the rollers 10, while it passes over only short distances freely through the treatment atmosphere. On the one hand, the rollers thus provide a good support of the web and prevent curling of the edges. On the other hand, the web gets in intensive contact with the treatment atmosphere. This is, for example, a wet steam atmosphere which can be provided by a steam generator 18 formed in or on the dyeing device 7. Preferably, the treatment atmosphere is in continuous contact with water present in the steam generator 18.

Die insoweit beschriebene Färbeeinrichtung la arbeitet wie folgt:

  • In der Fixiereinrichtung 7 ist eine Nassdampfatmosphäre aufgebaut. In dem Foulard 4 befindet sich Färbeflotte 5. Der Vorratsbehälter 3 enthält zusammengelegte Ware, die breit und vorzugsweise einfach (nicht doppelt liegend) ausgelegt ist. Die Ware 2 läuft über die Rollen 6 durch die Färbeflotte 5 und wird von dieser benetzt. Überschüssige Färbeflotte wird von den Rollen 6 abgedrückt. Die Ware 2 läuft dann in die Fixiereinrichtung 7 und dort im Zick-Zack um die Rollen 10 der oberen Rollengruppe 11 und der unteren Rollengruppe 12. Sie wird dabei durch einen oder mehrere Servomotoren gefördert, die die jeweils angeschlossenen Rollen 10, vorzugsweise der oberen Rollengruppe 11 antreiben. Der Antrieb erfolgt dabei drehmomentkontrolliert. Das Drehmoment wird anhand der vorzugsweise an Rollen 10 der unteren Rollengruppe 12 gemessenen Warenspannung so reguliert, dass die Warenspannung an keiner Stelle auf dem Weg durch die Fixiereinrichtung 7 einen Grenzwert übersteigt. Die Rollen 10 halten die Ware 2 auf ihrem gesamten Weg in breit ausgelegtem Zustand. Ein Einrollen der Ränder der Ware wird wirksam verhindert. Die freie Wegstrecke, die die Ware 2 von Rolle zu Rolle durchläuft entspricht dem Abstand zwischen dem Ablaufpunkt 16 und dem Auflaufpunkt 17. Dieser Abstand ist vorzugsweise gering. Beispielsweise ist er geringer als 500 mm, vorzugsweise geringer als 350 mm. Die Rollen 10 haben einen Durchmesser von vorzugsweise größer als 500 mm. Vorzugsweise beträgt der Durchmesser wenigstens 600 mm oder mehr.
The dyeing device 1 a described so far operates as follows:
  • In the fixing device 7, a wet steam atmosphere is constructed. Färbeflotte is 5 in the padder 4. The reservoir 3 contains folded goods, which is wide and preferably simple (not lying doubly) is designed. The product 2 passes over the rollers 6 through the dyeing liquor 5 and is wetted by this. Excess dye liquor is pressed off the rollers 6. The product 2 then passes into the fixing device 7 and there in zig-zag around the rollers 10 of the upper roller group 11 and the lower roller group 12. It is thereby promoted by one or more servomotors, the respective connected rollers 10, preferably the upper roller group 11 drive. The drive is torque-controlled. The torque is determined by the preferably On rolls 10 of the lower roller group 12 measured goods voltage regulated so that the goods voltage at any point on the way through the fixing device 7 exceeds a limit. The rollers 10 keep the goods 2 in their broadest state on their entire way. A curling of the edges of the goods is effectively prevented. The free path that passes through the product 2 from roll to roll corresponds to the distance between the drain point 16 and the casserole point 17. This distance is preferably small. For example, it is less than 500 mm, preferably less than 350 mm. The rollers 10 have a diameter of preferably greater than 500 mm. Preferably, the diameter is at least 600 mm or more.

In der Fixiereinrichtung 7 wirkt die Behandlungsatmosphäre beidseitig auf die Ware 2 ein. Dennoch ist die Maschenware auf den Rollen 10 jeweils abgestützt. Sie läuft nur über kurze Wegstrecken offen und breit. Das SattdampfFärbeverfahren hat sich als besonders Prozesssicher herausgestellt, wobei vielfältigste Färbemöglichkeiten vorhanden sind.In the fixing device 7, the treatment atmosphere acts on both sides of the product 2. Nevertheless, the knitwear is supported on the rollers 10 respectively. It only runs over short distances open and wide. The saturated steam dyeing process has proven to be particularly process-safe, whereby a wide variety of coloring options are available.

Bei einem erfindungsgemäßen Färbeverfahren wird zum Färben breit ausgelegter Maschenware im Nasszustand eine Sattdampf-Fixierung vorgeschlagen, die einen Innenraum mit Rollen 10 zur Führung der Maschenware aufweist. Die Maschenware wird um die Rollen 10 im Zick-Zack herum geführt, wobei sie über den größeren Teil ihrer Länge an den Rollen 10 anliegt und lediglich zum kleineren Teil ihrer Länge frei die Sattdampfatmosphäre durchquert. Das Verfahren ist äußerst Prozesssicher und vielseitig einzusetzen.In a dyeing process according to the invention a saturated steam fixing is proposed for dyeing broadly designed knitwear in the wet state, which has an interior space with rollers 10 for guiding the knitwear. The knitwear is zig-zagged around the rollers 10, resting against the rollers 10 over the greater part of its length and freely traversing the saturated steam atmosphere only for a minor portion of its length. The process is extremely process-safe and versatile.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Färbeeinrichtungstainer
22
WareWould
33
Vorratsbehälterreservoir
44
FoulardFoulard
55
Färbeflottedyeing liquor
66
Rollenroll
77
Fixiereinrichtungfixing
88th
Wascheinrichtungwash
99
Gehäusecasing
1010
Rollenroll
1111
Rollengrupperole group
1212
Rollengrupperole group
1313
LagereinrichtungStorage facility
1414
Ebenelevel
1515
Ebenelevel
1616
Ablaufpunktthe end point
1717
Auflaufpunktaccumulating point
1818
Dampferzeugersteam generator

Claims (14)

  1. Dyeing assembly (1) for dyeing goods (2) in sheet form,
    with a means (4) for continuously applying dye to the sheet goods in open width, with a fixing device (7), which has a housing (9), in which rotatably mounted rollers (10) are arranged to guide the goods (2) in sheet form in zigzag arrangement through the treatment atmosphere,
    wherein the rollers (10) are arranged with a spacing that is so small that the goods run from roller to roller through a free distance at most, which is smaller than the circumference of a roller (10),
    characterised in that at least one of the rollers (10) is connected to a power measurement device to detect and control the tension of the goods.
  2. Dyeing assembly according to claim 1, characterised in that the rollers (10) have the same diameter.
  3. Dyeing assembly according to claim 1, characterised in that the free distance of the goods (2) between the rollers (10) is less than a roller diameter.
  4. Dyeing assembly according to claim 1, characterised in that the free distance between the rollers (10) is less than a roller radius.
  5. Dyeing assembly according to claim 1, characterised in that the free distance is less than 1/3 of the roller diameter.
  6. Dyeing assembly according to claim 1, characterised in that the power measurement device is arranged on a bearing means (13) of the roller (10).
  7. Dyeing assembly according to claim 1, characterised in that at least one of the rollers (10) is provided with a rotary drive means.
  8. Dyeing assembly according to claim 7, characterised in that the rotary drive means is torque-controlled.
  9. Dyeing assembly according to claim 1, characterised in that the housing (9) is closed off from the surrounding area.
  10. Dyeing assembly according to claim 1, characterised in that the housing (9) is connected to a steam generator (18).
  11. Dyeing assembly according to claim 1, characterised in that the treatment atmosphere is a wet-steam atmosphere.
  12. Dyeing assembly according to claim 1, characterised in that the treatment atmosphere has ambient pressure.
  13. Method for dyeing goods (2) in sheet form, in which
    dye is applied to the goods (2) in sheet form,
    after application of the dye the goods (2) in sheet form are directed in zigzag arrangement through a treatment atmosphere by means of rotatable rollers (10), wherein the goods (2) are freely tensioned over a first part of the path running through the treatment atmosphere, and
    wherein the goods (2) are held in abutment against the said rollers (10) over a second part of the path running through the treatment atmosphere,
    wherein the first part is shorter than the second part,
    characterised in that the longitudinal tension prevailing in the goods (2) is held below a defined limit value.
  14. Method according to claim 13, characterised in that the run between a means (4) for applying the dye and a fixing device (7), in which the treatment atmosphere is present, is free from tensile stress.
EP08715707A 2007-02-15 2008-02-07 Dyeing apparatus and method Not-in-force EP2122033B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007007460A DE102007007460A1 (en) 2007-02-15 2007-02-15 Dyeing device and method
PCT/EP2008/000946 WO2008098703A1 (en) 2007-02-15 2008-02-07 Dyeing apparatus and method

Publications (3)

Publication Number Publication Date
EP2122033A1 EP2122033A1 (en) 2009-11-25
EP2122033B1 true EP2122033B1 (en) 2010-11-03
EP2122033B8 EP2122033B8 (en) 2011-01-12

Family

ID=39402892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715707A Not-in-force EP2122033B8 (en) 2007-02-15 2008-02-07 Dyeing apparatus and method

Country Status (5)

Country Link
EP (1) EP2122033B8 (en)
CN (1) CN101668890B (en)
AT (1) ATE486985T1 (en)
DE (2) DE102007007460A1 (en)
WO (1) WO2008098703A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726217B (en) * 2013-12-19 2016-06-08 盐城工业职业技术学院 A kind of staple in bulk wets short steaming colouring method and system
CN104746269A (en) * 2015-04-27 2015-07-01 苏州市吴中区甪直明达漂染厂 Rolling, heating and dyeing device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1410118B2 (en) * 1959-09-11 1977-03-10 Fleissner Gmbh, 6073 Egelsbach PROCESS AND DEVICE FOR CONTINUOUS COLORING USING SATURD STEAM
US3323153A (en) * 1962-05-31 1967-06-06 Fleissner Gmbh Process for the continuous fluid-treatment of fabric webs
GB1200168A (en) * 1968-02-03 1970-07-29 Vepa Ag Device for the treatment of textile material
GB1247266A (en) * 1968-06-10 1971-09-22 Vepa Ag Process and apparatus for the continuous treatment of fibrous material
DE2036122A1 (en) * 1970-07-21 1971-02-11 Sando Iron Works Co Ltd , Wakayama (Japan) Lithographic process
DE2231767A1 (en) 1972-06-29 1974-01-10 Vepa Ag PROCESS FOR CONTINUOUS INKING OF RAIL-SHAPED GOODS MADE OF AT LEAST PARTIAL CELLULOSE FIBERS AND SYSTEM FOR CARRYING OUT THIS PROCESS
JPS5829190Y2 (en) * 1978-06-02 1983-06-25 株式会社山東鉄工所 Moist heat printing coloring device
DE3330055A1 (en) * 1983-08-19 1985-02-28 Brückner Trockentechnik GmbH & Co KG, 7250 Leonberg METHOD AND DEVICE FOR COLORING AND / OR FITTING, DRYING AND FIXING A TEXTILE MATERIAL
ITMI20060048A1 (en) * 2006-01-13 2007-07-14 Master Sas Di Ronchi Francesco & C DEVICE AND DYEING PROCEDURE WITH INDACO

Also Published As

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DE102007007460A1 (en) 2008-08-21
ATE486985T1 (en) 2010-11-15
EP2122033B8 (en) 2011-01-12
DE502008001711D1 (en) 2010-12-16
CN101668890A (en) 2010-03-10
CN101668890B (en) 2012-03-28
WO2008098703A1 (en) 2008-08-21
EP2122033A1 (en) 2009-11-25

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