EP0669416B1 - Method and device for treating a textile web which is particularly sensitive to stretching - Google Patents

Method and device for treating a textile web which is particularly sensitive to stretching Download PDF

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Publication number
EP0669416B1
EP0669416B1 EP95810035A EP95810035A EP0669416B1 EP 0669416 B1 EP0669416 B1 EP 0669416B1 EP 95810035 A EP95810035 A EP 95810035A EP 95810035 A EP95810035 A EP 95810035A EP 0669416 B1 EP0669416 B1 EP 0669416B1
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EP
European Patent Office
Prior art keywords
roller
shaft
textile web
curved
rollers
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EP95810035A
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German (de)
French (fr)
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EP0669416A1 (en
Inventor
Christian Strahm
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Solipat AG
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Solipat AG
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/20—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics with means to improve the circulation of the treating material on the surface of the fabric
    • D06B3/201—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics with means to improve the circulation of the treating material on the surface of the fabric the treating material being forced through the textile material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting

Definitions

  • the invention relates to a method and an apparatus for Treating a particularly sensitive textile web according to the preamble of independent main claims 1 and 7.
  • Such methods and devices serve to be endless wash, impregnate or carried out textile webs another treatment with a preferably liquid treatment agent to subjugate.
  • the treatment agent is already known to be applied to the textile web via nozzles, the order on a stretched section of track or on one by one Roll curved web section can be done.
  • WO 91/04367 describes a treatment process in which the textile web is stretched through a narrow shaft, where necessary different treatment agents, e.g. Water, hot steam or hot air is applied to the textile web under pressure will.
  • this device is suitable due to the relative long, non-binding routes.
  • DE-A-25 21 407 is a genus comparable Appeared device in which the treatment liquid sprayed onto the track and in one neighboring area on the same side of the web immediately is suctioned off again. This process can take place at straight, as well as curved track sections. Prolonged exposure to the treatment agent on the textile web is not possible, however, neither is it possible like the use of a vapor treatment agent.
  • a treatment method is known from US-A-4,565,077 become, in which a textile web stretched around a roller is led through a narrow, curved shaft. On a Treatment liquid is applied to one side of the shaft Opening fed, and on the other side of the shaft deducted again. Seals pressed against the textile web the shaft closes at the extreme ends of the shaft from. Tension-sensitive textile webs can be used in such Device will not be treated.
  • an endless textile web is in one curved shaft washed through the surface of a rotating drum and by a spaced curved solid wall is formed.
  • the textile web is under a fleet mirror loose or stretched through the shaft, whereby pressure nozzles with wash liquor from both sides is applied.
  • the flow thus achieved a wavy movement of the textile web in the area of the curved shaft section. Since the treatment of the textile web with treatment agents takes place under the fleet level, no intensive flow can build up.
  • the extension of the narrow shaft over the wrapping area on the rollers and the nozzles arranged in the curve on the one hand enable the entire route to be used the textile web.
  • the textile web turns on in the curved area stretched over their surface and thus particularly receptive for the treatment agent.
  • the rollers can be relatively close lie next to each other so that no free ones that damage the web Train routes are necessary. Builds over the entire length of the shaft there is an intense current that continues throughout Processing time acts on the textile web.
  • the textile web is in the shaft on each side curved at least once and with treatment agent acted upon. This ensures that both sides with treated with the same intensity. This is e.g. at wide range of tubular goods of particular importance.
  • the textile web can also be completely during the treatment bound, so that the individual rollers are almost abut each other.
  • the shaft has a continuous and mutually curved shape.
  • the textile web is first led around an upper roller where treatment agent is applied under pressure and when the textile web is then passed around a lower roller, where she is immersed in a bath with liquid treatment agent becomes.
  • the curved shaft on the lower roller can be completely filled with liquid, but not excludes the possibility of liquid underneath this shaft Pressure can be directed against the textile web.
  • the lower But shaft could also only be used as a collecting basin for treatment agents serve from the upper shaft.
  • Hot steam, saturated steam or water can be fed individually through the nozzles or applied in combination under pressure to the textile web will. It is also conceivable to attach individual nozzles to connect different sources of treatment or to change these connections via appropriate control valves.
  • the two rollers can be a straight shaft section be arranged.
  • a machine for Washing printed textile webs particularly advantageous built that two rollers are arranged one above the other, being at the top roller over the apex of the Roller extending shaft and one on the lower roller arranged shaft extending over the sole line of the roller is and that the facing shaftless Surfaces of the rollers are surrounded by a common housing are. The liquid or condensate from the top This way, the shaft runs freely in the lower case Well that is practically designed as a tub.
  • At least one Roller could e.g. B. be designed as a screen drum, wherein the inside could be connected to a suction.
  • the Rolls or drums could also be circumferential or in Axial direction wavy on the surface be.
  • the shaft width is in the range of 3 to 30 mm preferably in the range of 5 to 10 mm.
  • the sensitive Textile web not only in the curved shaft area, but also in a stretched shaft area by suitable Support funds.
  • an endless Screening belt must be arranged, which is under vacuum.
  • the textile web is pressed against the sieve belt in this way and before protected from excessive tensile stress.
  • the sieve belt could also be wrapped around the rollers so that the textile web not directly in the curved shaft section the roller surface, but lies on the screen belt.
  • FIG. 1 shows a highly schematic representation Textile web 1, for example a sensitive knitted fabric, which is preferably in a relatively narrow shaft 5 over two driven rollers 2 and 3 is performed.
  • Textile web 1 for example a sensitive knitted fabric, which is preferably in a relatively narrow shaft 5 over two driven rollers 2 and 3 is performed.
  • the rollers rotate in the direction of rotation b, wherein the roller 10 can also be a driven roller.
  • the shaft 5 has the in the looping area of the rollers two curved sections 6 and 6 ', the roller surface there directly forms a section of the shaft.
  • nozzles 7 are arranged, which on a supply line 9 or 9 'are connected. At These nozzles can be cone nozzles or slot nozzles act that extend across the entire width of the textile web.
  • the rollers 2 and 3 Between the two rollers 2 and 3 is a straight one Section 8 arranged on the same on both sides the textile web nozzles 7 are arranged.
  • the textile web is arranged in this arrangement on each side curved at least once and with the treatment agent acted upon.
  • the intense mechanical stress on the Textile web connected to the pressurized in the shaft injected treatment medium leads to a deep Penetration of the textile web. In free sections can cause a vibration of the textile web, which the Effect improved.
  • the rollers can have a diameter of, for example, 40-80 cm. Can through the nozzles a mixture of steam, air and water is applied, any other treatment liquor instead of water are conceivable.
  • the nozzles can either all on the same source of treatment is connected or individual nozzles or groups of nozzles can be directed to different ones Treatment agent sources must be connected.
  • FIG. 2 shows an alternative exemplary embodiment of a treatment device, where the shaft through three rollers 2, 3 and 4 is formed, which the textile web 1 in bound Record the web guide.
  • the textile web 1 in bound Record the web guide.
  • everyone is in the area Curvature 6, 6 'and 6' 'each arranged at least one nozzle. A pair of nozzles is still in the straight inlet section 15 of the shaft provided.
  • FIG 3 shows a cross section through a shaft in the area a roller 2, which in the circumferential direction with waves 11th is provided.
  • the roller is designed as a hollow roller and with Provide openings 12.
  • a suction line 14 leads to the inside the roller so that steam and / or liquid are sucked off can.
  • the nozzle 7 is a continuous slot nozzle individual connections.
  • the shaft wall 13 encloses the roller completely, i.e. over their entire Outside circumference, although a certain shaft width is just provided in the area of textile web 1. On the rear of the shaft wall 13 surrounds the roller in this way closely that a touch is just avoided. As in indicated in Figures 1 and 2, the shaft wall 13 could Only wrap the rollers in the wrapping area, whereby then compared to the freely rotating roller sections suitable seals would have to be installed.
  • the shaft 5 in Cross section of an approximately S-shaped formation.
  • the deflection roller 10 leads the textile web 1 from the horizontal directly into the Area of curvature 6 of the first roller 2.
  • the removal via the deflection roller 10 'in the direction of arrow a is almost on the same level.
  • From the collector tubes integrated in the shaft wall 16 is a steam-air-water mixture on the Textile web applied.
  • the preferably driven rollers or drums 2 and 3 can be structured on the surface be so that the textile web only partially rests. Thereby Sections are created under the influence of the treatment agent can swing freely.
  • each an upper drum 18 and a lower drum 19 rotatable stored in a machine frame 17 .
  • the axes of rotation of the two drums lie on one vertical level one above the other.
  • An upper shaft 21 is arranged on the upper drum 18, which extends over the apex line of the drum for approx. 180 Degrees extends.
  • This shaft has a very small width of, for example, 5 mm. Extend the entire width of the shaft there are several upper nozzle tubes 25 with slot nozzles or are provided with holes.
  • the lower drum 19 is at regular intervals individual waves 28 provided, so that the textile web only rests in a line.
  • a lower shaft 22 extends over the sole line of the drum 19, and also over approximately 180 degrees.
  • the lower shaft has one, however larger width of, for example, 10 to 40 mm in Comparison to the upper shaft 21.
  • Nozzle tubes 26 are also at the lower shaft Nozzle tubes 26 arranged, which extend over the entire width of the shaft extend.
  • the Textile web 1 over deflection rollers 27 first of the upper drum 18 fed, but also the wrapping of the rollers runs approximately S-shaped.
  • Textile web intensely with steam and alternating with if necessary Fresh water applied.
  • the transition to the lower drum 19 is free stretched in Housing 23.
  • the lower shaft 22 is completely with liquor filled, which is however constantly exchanged.
  • About the Nozzle tubes 26 become liquor under pressure against the surface pumped the textile web.
  • the nozzle tubes 26 could also be switched off and the supply of the fleet or the circulation of the fleet could be done by other means.
  • the textile web is moved in the direction of the arrow via a further deflecting roller a removed from the washing compartment.
  • a further deflecting roller a removed from the washing compartment Preferably be several such washing compartments connected in series.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Continuous, esp. tension sensitive, textile fabric (1) is treated as it travels through a narrow passage (5), pref. between successive rollers (2, 3). The passage wall is at leat partly formed by a roller and the treatment medium is applied under pressure by a roller and the treatment medium is applied under pressure to the fabric (1) esp. in the curved regions (6) of the passage. Pref. the curved narrow passage (5) is 3 - 40 mm, pref. 5 - 10 mm wide and jets (7) are arranged to treat both sides of the fabric alteratively as it is curved over a roller. Additional rollers can dip into a liquid to give alternate liquid and steam treatments. Some of the rollers can be sieve drums with internal suction and they can have a wavy surface pattern.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Behandeln einer insbesondere zugempfindlichen Textilbahn gemäss dem Oberbegriff der unabhängigen Hauptansprüche 1 bzw. 7. Derartige Verfahren und Vorrichtungen dienen dazu, endlos durchgeführte Textilbahnen zu waschen, zu imprägnieren oder einer anderen Behandlung mit einem vorzugsweise flüssigen Behandlungsmittel zu unterwerfen.The invention relates to a method and an apparatus for Treating a particularly sensitive textile web according to the preamble of independent main claims 1 and 7. Such methods and devices serve to be endless wash, impregnate or carried out textile webs another treatment with a preferably liquid treatment agent to subjugate.

Es ist grundsätzlich bereits bekannt, das Behandlungsmittel über Düsen auf die Textilbahn aufzutragen, wobei der Auftrag auf einen gestreckten Bahnabschnitt oder auf einen um eine Walze gekrümmten Bahnabschnitt erfolgen kann. Die WO 91/04367 beschreibt ein Behandlungsverfahren, bei dem die Textilbahn gestreckt durch einen engen Schacht geführt wird, wobei ggf. unterschiedliche Behandlungsmittel, wie z.B. Wasser, Heissdampf oder Heissluft unter Druck auf die Textilbahn aufgetragen werden. Für die Behandlung von Maschenware, wie z.B. Trikot, eignet sich diese Vorrichtung jedoch infolge der relativ langen, bindungslosen Strecken nicht.In principle, the treatment agent is already known to be applied to the textile web via nozzles, the order on a stretched section of track or on one by one Roll curved web section can be done. WO 91/04367 describes a treatment process in which the textile web is stretched through a narrow shaft, where necessary different treatment agents, e.g. Water, hot steam or hot air is applied to the textile web under pressure will. For the treatment of knitted fabrics, e.g. Shirt, this device is suitable due to the relative long, non-binding routes.

Durch die DE-A-25 21 407 ist eine gattungsmässig vergleichbare Vorrichtung bekannt geworden, bei welcher die Behandlungsflüssigkeit auf die Bahn aufgespritzt und in einem benachbarten Bereich auf der gleichen Seite der Bahn unmittelbar wieder abgesaugt wird. Dieser Vorgang kann sowohl bei gestreckten, als auch bei gekrümmten Bahnabschnitten erfolgen. Eine länger andauernde Einwirkung des Behandlungsmittels auf die Textilbahn ist dabei jedoch nicht möglich, ebensowenig wie der Einsatz eines dampfförmigen Behandlungsmittels.DE-A-25 21 407 is a genus comparable Appeared device in which the treatment liquid sprayed onto the track and in one neighboring area on the same side of the web immediately is suctioned off again. This process can take place at straight, as well as curved track sections. Prolonged exposure to the treatment agent on the textile web is not possible, however, neither is it possible like the use of a vapor treatment agent.

Aus der DE-A-19 17 759 ist die Behandlung einer zugempfindlichen Textilbahn bekannt, wobei diese in gebundener Bahnführung um Walzen geführt wird, welche von einer Behandlungsflüssigkeit durchströmt werden. Dabei erfolgt zwar eine Zwangsdurchführung der Flüssigkeit durch die Textilbahn, jedoch keine intensive Beaufschlagung, wie dies mit Hilfe von Düsen möglich ist.From DE-A-19 17 759 is the treatment of a sensitive Known textile web, this in bound web guidance is guided around rollers which are treated by a treatment liquid be flowed through. There is indeed one Forced passage of the liquid through the textile web, however, no intense exposure like this with the help of Nozzles is possible.

Durch die US-A-4,565,077 ist ein Behandlungsverfahren bekannt geworden, bei dem eine Textilbahn gestreckt um eine Walze durch einen engen, gekrümmten Schacht geführt wird. Auf einer Seite des Schachtes wird Behandlungsflüssigkeit über eine Öffnung zugeführt, und auf der anderen Seite des Schachtes wieder abgezogen. Gegen die Textilbahn gepresste Dichtungen an den äussersten Enden des Schachtes schliessen den Schacht ab. Zugempfindliche Textilbahnen können in einer derartigen Vorrichtung nicht behandelt werden.A treatment method is known from US-A-4,565,077 become, in which a textile web stretched around a roller is led through a narrow, curved shaft. On a Treatment liquid is applied to one side of the shaft Opening fed, and on the other side of the shaft deducted again. Seals pressed against the textile web the shaft closes at the extreme ends of the shaft from. Tension-sensitive textile webs can be used in such Device will not be treated.

Gemäss der FR-A-2310437 (Oberbegriff der Ansprüche 1 und 6) wird eine endlose Textilbahn in einem gekrümmten Schacht gewaschen, der durch die Oberfläche einer rotierenden Siebtrommel und durch eine im Abstand angeordnete gekrümmte feste Wand gebildet wird. Die Textilbahn wird unter einem Flottenspiegel lose oder gestreckt durch den Schacht geführt, wobei sie von beiden Seiten her aus Düsen unter Druck mit Waschflotte beaufschlagt wird. Bei loser Bahnführung bewirkt die so erzielte Strömung eine wellenförmige Bewegung der Textilbahn im Bereich des gekrümmten Schachtabschnitts. Da die Beaufschlagung der Textilbahn mit Behandlungsmittel unter dem Flottenspiegel erfolgt, kann sich keine intensive Strömung aufbauen.According to FR-A-2310437 (preamble of claims 1 and 6) an endless textile web is in one curved shaft washed through the surface of a rotating drum and by a spaced curved solid wall is formed. The textile web is under a fleet mirror loose or stretched through the shaft, whereby pressure nozzles with wash liquor from both sides is applied. When the web is loose, the flow thus achieved a wavy movement of the textile web in the area of the curved shaft section. Since the treatment of the textile web with treatment agents takes place under the fleet level, no intensive flow can build up.

Es ist daher eine Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung der eingangs genannten Art zu schaffen, um auch für in Längsrichtung elastische Maschenware und für zugempfindliche Textilbahnen eine intensive Behandlung unter Ausnützung einer Jetwirkung zu erzielen. Diese Aufgabe wird in verfahrensmässiger Hinsicht mit einem Verfahren mit den Merkmalen gemäss Anspruch 1 und in vorrichtungsmässiger Hinsicht mit einer Vorrichtung mit den Merkmalen gemäss Anspruch 6 gelöst.It is therefore an object of the invention, a method and to create a device of the type mentioned in order to also for knitted fabrics that are elastic in the longitudinal direction and for sensitive ones Textile webs under an intensive treatment To achieve exploitation of a current effect. This task will procedurally with a procedure with the Features according to claim 1 and in terms of device with a device with the features according to claim 6 solved.

Die Erstreckung des engen Schachtes über den Umschlingungsbereich an den Walzen und die in der Krümmung angeordneten Düsen ermöglichen einerseits eine Ausnützung des gesamten Weges der Textilbahn. Im gekrümmten Bereich wird die Textilbahn an ihrer Oberfläche aufgespannt und damit besonders aufnahmefähig für das Behandlungsmittel. Die Walzen können relativ nahe beieinanderliegen, so dass keine, die Bahn schädigende freie Zugstrecken nötig sind. Über die gesamte Schachtlänge baut sich eine intensive Strömung auf, welche während der gesamten Durchlaufzeit auf die Textilbahn einwirkt. Die Textilbahn wird im Schacht auf jeder Seite wenigstens einmal gekrümmt und dabei mit Behandlungsmittel beaufschlagt. Damit ist sichergestellt, dass beide Seiten mit der gleichen Intensität behandelt werden. Dies ist z.B. bei breit geführter Schlauchware von besonderer Bedeutung.The extension of the narrow shaft over the wrapping area on the rollers and the nozzles arranged in the curve on the one hand enable the entire route to be used the textile web. The textile web turns on in the curved area stretched over their surface and thus particularly receptive for the treatment agent. The rollers can be relatively close lie next to each other so that no free ones that damage the web Train routes are necessary. Builds over the entire length of the shaft there is an intense current that continues throughout Processing time acts on the textile web. The textile web is in the shaft on each side curved at least once and with treatment agent acted upon. This ensures that both sides with treated with the same intensity. This is e.g. at wide range of tubular goods of particular importance.

In bestimmten Fällen ist es aber auch denkbar, den gekrümmten Schacht nur an einer einzigen Walze anzuordnen, die z.B. unter Verwendung von Hilfswalzen um mehr als 180° umschlungen wird. In certain cases it is also conceivable to use the curved one To arrange the shaft only on a single roller, e.g. using auxiliary rollers wrapped around more than 180 ° becomes.

Die Textilbahn kann während der Behandlung auch vollständig gebunden geführt werden, so dass die einzelnen Walzen fast aneinander anliegen. Der Schacht hat in einem derartigen Fall eine durchgehend und wechselseitig gekrümmte Form.The textile web can also be completely during the treatment bound, so that the individual rollers are almost abut each other. In such a case, the shaft has a continuous and mutually curved shape.

Für bestimmte Behandlungsvorgänge ist es auch vorteilhaft, wenn die Textilbahn zunächst um eine obere Walze geführt wird, wo Behandlungsmittel unter Druck aufgetragen wird und wenn die Textilbahn sodann um eine untere Walze geführt wird, wo sie in ein Bad mit flüssigem Behandlungsmittel eingetaucht wird. Der gekrümmte Schacht an der unteren Walze kann dabei vollständig mit Flüssigkeit ausgefüllt sein, was jedoch nicht ausschliesst, dass auch an diesem Schacht Flüssigkeit unter Druck gegen die Textilbahn gerichtet werden kann. Der untere Schacht könnte aber auch nur als Auffangbecken für Behandlungsmittel aus dem oberen Schacht dienen.For certain treatment processes, it is also advantageous if the textile web is first led around an upper roller where treatment agent is applied under pressure and when the textile web is then passed around a lower roller, where she is immersed in a bath with liquid treatment agent becomes. The curved shaft on the lower roller can be completely filled with liquid, but not excludes the possibility of liquid underneath this shaft Pressure can be directed against the textile web. The lower But shaft could also only be used as a collecting basin for treatment agents serve from the upper shaft.

Durch die Düsen kann Heissdampf, Sattdampf oder Wasser einzeln oder in Kombination unter Druck auf die Textilbahn aufgetragen werden. Dabei ist es auch denkbar, einzelne Düsen an unterschiedliche Behandlungsmittelquellen anzuschliessen oder diese Anschlüsse über entsprechende Steuerventile zu wechseln.Hot steam, saturated steam or water can be fed individually through the nozzles or applied in combination under pressure to the textile web will. It is also conceivable to attach individual nozzles to connect different sources of treatment or to change these connections via appropriate control valves.

Besonders gute Ergebnisse an der Oberfläche der Textilbahn können erreicht werden, wenn bezogen auf die Schachtstrecke im Wechsel flüssiges und dampfförmiges Behandlungsmittel aufgetragen wird. Durch den unter Druck aufgetragenen Heissdampf wird die Oberfläche der Textilbahn aufgebrochen und die Flüssigkeit, insbesondere Frischwasser erhöht den Waschwirkungsgrad.Particularly good results on the surface of the textile web can be achieved if related to the shaft section alternating liquid and vapor treatment agent is applied. Due to the hot steam applied under pressure the surface of the textile web is broken open and the Liquid, especially fresh water, increases the washing efficiency.

Die zwei hintereinander angeordneten Walzen bilden wenigstens zwei entgegengesetzt gekrümmte Abschnitte. In bestimmten Fällen ist es aber auch denkbar, dass der gekrümmte Schacht mit den Düsen nur an einer Walze vorgesehen ist, und dass die andere Walze einen Schacht ohne Düsen aufweist, der beispielsweise lediglich von einer Flüssigkeit durchspült wird.Form the two rollers arranged one behind the other at least two oppositely curved sections. In certain cases it is also conceivable that the curved shaft with the nozzles provided only on one roller is and that the other roller has a shaft without Has nozzles, for example, only of a liquid is flushed.

Zwischen den beiden gekrümmten Schachtabschnitten bzw. zwischen den beiden Walzen kann ein gerader Schachtabschnitt angeordnet sein. So ist beispielsweise eine Maschine zum Waschen bedruckter Textilbahnen besonders vorteilhaft so aufgebaut, dass zwei Walzen übereinander angeordnet sind, wobei an der oberen Walze ein sich über die Scheitellinie der Walze erstreckender Schacht und an der unteren Walze ein sich über die Sohlenlinie der Walze erstreckender Schacht angeordnet ist, und dass die einander zugewandten schachtlosen Oberflächen der Walzen von einem gemeinsamen Gehäuse umgeben sind. Die Flüssigkeit bzw. das Kondensat aus dem oberen Schacht läuft auf diese Weise im Gehäuse frei in den unteren Schacht, der praktisch als Wanne ausgebildet ist.Between the two curved shaft sections or between The two rollers can be a straight shaft section be arranged. For example, a machine for Washing printed textile webs particularly advantageous built that two rollers are arranged one above the other, being at the top roller over the apex of the Roller extending shaft and one on the lower roller arranged shaft extending over the sole line of the roller is and that the facing shaftless Surfaces of the rollers are surrounded by a common housing are. The liquid or condensate from the top This way, the shaft runs freely in the lower case Well that is practically designed as a tub.

Es ist auch nicht zwingend erforderlich, dass die Walzen eine geschlossene, ebene Oberfläche aufweisen. Wenigstens eine Walze könnte z. B. als Siebtrommel ausgebildet sein, wobei die Innenseite mit einer Absaugung verbunden sein könnte. Die Walzen oder Trommeln könnten auch in Umfangsrichtung oder in Axialrichtung an der Oberfläche wellenförmig ausgebildet sein. Die Schachtweite liegt im Bereich von 3 bis 30 mm vorzugsweise im Bereich von 5 bis 10 mm.It is also not absolutely necessary for the rollers to have a have a closed, flat surface. At least one Roller could e.g. B. be designed as a screen drum, wherein the inside could be connected to a suction. The Rolls or drums could also be circumferential or in Axial direction wavy on the surface be. The shaft width is in the range of 3 to 30 mm preferably in the range of 5 to 10 mm.

Die Entsorgung von flüssigem oder gasförmigem Behandlungsmittel aus dem Schacht erfolgt über entsprechende Ableitungen in der Schachtwand.The disposal of liquid or gaseous treatment agents from the shaft takes place via corresponding derivatives in the shaft wall.

In bestimmten Fällen kann es zweckmässig sein, die zugempfindliche Textilbahn nicht nur im gekrümmten Schachtbereich, sondern auch in einem gestreckten Schachtbereich durch geeignete Mittel abzustützen. So könnte beispielsweise in einem gestreckten Schachtabschnitt auf einer Seite ein endloses Siebband angeordnet sein, das unter Vakuum steht. Die Textilbahn wird auf diese Weise gegen das Siebband gepresst und vor übermässiger Zugbeanspruchung geschützt. Das Siebband könnte dabei auch um die Walzen geschlungen sein, so dass die Textilbahn im gekrümmten Schachtabschnitt nicht unmittelbar auf der Walzenoberfläche, sondern auf dem Siebband anliegt.In certain cases it may be appropriate to use the sensitive Textile web not only in the curved shaft area, but also in a stretched shaft area by suitable Support funds. For example, in one stretched shaft section on one side an endless Screening belt must be arranged, which is under vacuum. The textile web is pressed against the sieve belt in this way and before protected from excessive tensile stress. The sieve belt could also be wrapped around the rollers so that the textile web not directly in the curved shaft section the roller surface, but lies on the screen belt.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden nachstehend genauer beschrieben. Es zeigen:

Figur 1
einen Längsschnitt durch einen Schacht mit zwei Walzen und mit einem geraden Zwischenabschnitt,
Figur 2
einen Längsschnitt durch einen Schacht mit drei Walzen für gebundene Bahnführung,
Figur 3
einen Querschnitt durch einen Schacht mit einer gewellten Hohlwelle,
Figur 4
einen Längsschnitt durch ein Ausführungsbeispiel mit etwa S-förmiger Schachtanordnung,
Figur 5
einen Querschnitt durch ein Waschmaschinenabteil mit zwei übereinanderliegenden Walzen, und
Figur 6
eine etwas verkürzte Ansicht der Maschine gemäss Figur 5 in Vorschubrichtung gesehen.
Embodiments of the invention are shown in the drawings and are described in more detail below. Show it:
Figure 1
a longitudinal section through a shaft with two rollers and with a straight intermediate section,
Figure 2
a longitudinal section through a shaft with three rollers for bound web guidance,
Figure 3
a cross section through a shaft with a corrugated hollow shaft,
Figure 4
2 shows a longitudinal section through an exemplary embodiment with an approximately S-shaped shaft arrangement,
Figure 5
a cross section through a washing machine compartment with two superimposed rollers, and
Figure 6
seen a somewhat shortened view of the machine according to Figure 5 in the feed direction.

Figur 1 zeigt in stark schematisierter Darstellungsweise eine Textilbahn 1, beispielsweise eine zugempfindliche Maschenware, welche in einem relativ engen Schacht 5 über zwei vorzugsweise angetriebene Walzen 2 und 3 geführt wird. Über eine Umlenkwalze 10 wird die Textilbahn in Pfeilrichtung a weitertransportiert. Die Walzen drehen sich dabei in Drehrichtung b, wobei auch die Walze 10 eine angetriebene Walze sein kann. Der Schacht 5 hat im Umschlingungsbereich der Walzen die beiden gekrümmten Abschnitte 6 und 6', wobei die Walzenoberfläche dort unmittelbar einen Abschnitt des Schachtes bildet. In den gekrümmten Abschnitten sind Düsen 7 angeordnet, die an eine Versorgungsleitung 9 bzw. 9' angeschlossen sind. Bei diesen Düsen kann es sich um Kegeldüsen oder um Schlitzdüsen handeln, die sich über die gesamte Breite der Textilbahn erstrecken. Zwischen den beiden Walzen 2 und 3 ist ein gerader Abschnitt 8 angeordnet, auf dem ebenfalls auf beiden Seiten der Textilbahn Düsen 7 angeordnet sind. Ersichtlicherweise wird die Textilbahn in dieser Anordnung auf jede Seite hin wenigstens einmal gekrümmt und dabei mit dem Behandlungsmittel beaufschlagt. Die intensive mechanische Belastung der Textilbahn, verbunden mit dem unter Druck in den Schacht eingeschossenen Behandlungsmedium, führt zu einer tiefen Druchdringung der Textilbahn. In freien Streckenabschnitten kann es zu einer Vibration der Textilbahn kommen, was die Wirkung noch verbessert. Die Walzen können einen Durchmesser von beispielsweise 40 - 80 cm aufweisen. Durch die Düsen kann ein Gemisch von Dampf, Luft und Wasser aufgetragen werden, wobei anstelle von Wasser auch irgendwelche anderen Behandlungsflotten denkbar sind. Die Düsen können entweder alle an die gleiche Behandlungsmittelquelle angeschlossen werden, oder einzelne Düsen oder Gruppen von Düsen können an unterschiedliche Behandlungsmittelquellen angeschlossen sein.Figure 1 shows a highly schematic representation Textile web 1, for example a sensitive knitted fabric, which is preferably in a relatively narrow shaft 5 over two driven rollers 2 and 3 is performed. Over a Deflection roller 10, the textile web is transported in the direction of arrow a. The rollers rotate in the direction of rotation b, wherein the roller 10 can also be a driven roller. The shaft 5 has the in the looping area of the rollers two curved sections 6 and 6 ', the roller surface there directly forms a section of the shaft. In the curved sections nozzles 7 are arranged, which on a supply line 9 or 9 'are connected. At These nozzles can be cone nozzles or slot nozzles act that extend across the entire width of the textile web. Between the two rollers 2 and 3 is a straight one Section 8 arranged on the same on both sides the textile web nozzles 7 are arranged. Obviously the textile web is arranged in this arrangement on each side curved at least once and with the treatment agent acted upon. The intense mechanical stress on the Textile web connected to the pressurized in the shaft injected treatment medium, leads to a deep Penetration of the textile web. In free sections can cause a vibration of the textile web, which the Effect improved. The rollers can have a diameter of, for example, 40-80 cm. Can through the nozzles a mixture of steam, air and water is applied, any other treatment liquor instead of water are conceivable. The nozzles can either all on the same source of treatment is connected or individual nozzles or groups of nozzles can be directed to different ones Treatment agent sources must be connected.

Figur 2 zeigt ein alternatives Ausführungsbeispiel einer Behandlungsvorrichtung, bei welcher der Schacht durch drei Walzen 2, 3 und 4 gebildet wird, welche die Textilbahn 1 in gebundener Bahnführung aufnehmen. Auch hier ist im Bereich jeder Krümmung 6, 6' und 6'' wenigstens je eine Düse angeordnet. Ein Düsenpaar ist auch noch im geraden Einlaufabschnitt 15 des Schachtes vorgesehen.FIG. 2 shows an alternative exemplary embodiment of a treatment device, where the shaft through three rollers 2, 3 and 4 is formed, which the textile web 1 in bound Record the web guide. Here, too, everyone is in the area Curvature 6, 6 'and 6' 'each arranged at least one nozzle. A pair of nozzles is still in the straight inlet section 15 of the shaft provided.

Figur 3 zeigt einen Querschnitt durch einen Schacht im Bereich einer Walze 2, welche in Umfangsrichtung mit Wellen 11 versehen ist. Die Walze ist als Hohlwalze ausgebildet und mit Öffnungen 12 versehen. Eine Saugleitung 14 führt ins Innere der Walze, so dass Dampf und/oder Flüssigkeit abgesaugt werden kann. Die Düse 7 ist als durchgehende Schlitzdüse mit einzelnen Anschlüssen ausgebildet. Die Schachtwand 13 umschliesst die Walze vollständig, d.h. über ihren gesamten Aussenumfang, wobei allerdings eine bestimmte Schachtbreite nur gerade im Bereich der Textilbahn 1 vorgesehen ist. Auf der Rückseite umschliesst die Schachtwand 13 die Walze derart eng, dass eine Berührung gerade noch vermieden wird. Wie in den Figuren 1 und 2 angedeutet, könnte die Schachtwand 13 die Walzen nur gerade im Umschlingungsbereich umschliessen, wobei dann gegenüber den freidrehenden Walzenabschnitten allerdings geeignete Dichtungen eingebaut werden müssten.Figure 3 shows a cross section through a shaft in the area a roller 2, which in the circumferential direction with waves 11th is provided. The roller is designed as a hollow roller and with Provide openings 12. A suction line 14 leads to the inside the roller so that steam and / or liquid are sucked off can. The nozzle 7 is a continuous slot nozzle individual connections. The shaft wall 13 encloses the roller completely, i.e. over their entire Outside circumference, although a certain shaft width is just provided in the area of textile web 1. On the rear of the shaft wall 13 surrounds the roller in this way closely that a touch is just avoided. As in indicated in Figures 1 and 2, the shaft wall 13 could Only wrap the rollers in the wrapping area, whereby then compared to the freely rotating roller sections suitable seals would have to be installed.

Beim Ausführungsbeispiel gemäss Figur 4 hat der Schacht 5 im Querschnitt eine etwa S-förmige Ausbildung. Die Umlenkwalze 10 führt die Textilbahn 1 aus der Horizontalen direkt in den Krümmungsbereich 6 der ersten Walze 2. Der Abtransport über die Umlenkwalze 10' in Pfeilrichtung a erfolgt fast auf der gleichen Ebene. Aus den in die Schachtwand integrierten Kollektorrohren 16 wird ein Dampf-Luft-Wassergemisch auf die Textilbahn aufgetragen. Die vorzugsweise angetriebenen Walzen oder Trommeln 2 und 3 können an der Oberfläche strukturiert sein, so dass die Textilbahn nur teilweise aufliegt. Dadurch entstehen Abschnitte, welche unter der Einwirkung des Behandlungsmittels frei schwingen können.In the embodiment shown in Figure 4, the shaft 5 in Cross section of an approximately S-shaped formation. The deflection roller 10 leads the textile web 1 from the horizontal directly into the Area of curvature 6 of the first roller 2. The removal via the deflection roller 10 'in the direction of arrow a is almost on the same level. From the collector tubes integrated in the shaft wall 16 is a steam-air-water mixture on the Textile web applied. The preferably driven rollers or drums 2 and 3 can be structured on the surface be so that the textile web only partially rests. Thereby Sections are created under the influence of the treatment agent can swing freely.

Bei der Waschmaschine gemäss den Figuren 5 und 6 ist die Anordnung der Walzen prinzipiell gleich wie beim Ausführungsbeispiel gemäss Figur 4. In einem Maschinengestell 17 ist je eine obere Trommel 18 und eine untere Trommel 19 drehbar gelagert. Die Drehachsen der beiden Trommeln liegen auf einer vertikalen Ebene übereinander. Aussen am Maschinengestell sind für die beiden Trommeln Antriebsmotoren 20, 20' angeordnet, welche über Zahnriemen- und/oder Keilriemengetriebe nicht nur die beiden Trommeln, sondern auch noch einzelne Umlenkwalzen 27 antreiben.In the washing machine according to Figures 5 and 6 is the The arrangement of the rollers is basically the same as in the exemplary embodiment according to Figure 4. In a machine frame 17 is each an upper drum 18 and a lower drum 19 rotatable stored. The axes of rotation of the two drums lie on one vertical level one above the other. Outside on the machine frame drive motors 20, 20 'are arranged for the two drums, which via toothed belt and / or V-belt gear not just the two drums, but also individual ones Drive deflection rollers 27.

An der oberen Trommel 18 ist ein oberer Schacht 21 angeordnet, der sich über die Scheitellinie der Trommel über ca. 180 Grad erstreckt. Dieser Schacht hat eine sehr geringe Weite von beispielsweise 5 mm. Ueber die ganze Schachtbreite erstrecken sich mehrere obere Düsenrohre 25, die mit Schlitzdüsen oder mit Bohrungen versehen sind.An upper shaft 21 is arranged on the upper drum 18, which extends over the apex line of the drum for approx. 180 Degrees extends. This shaft has a very small width of, for example, 5 mm. Extend the entire width of the shaft there are several upper nozzle tubes 25 with slot nozzles or are provided with holes.

Die untere Trommel 19 ist in regelmässigen Abständen mit einzelnen Wellen 28 versehen, so dass die Textilbahn nur linienförmig aufliegt. Ein unterer Schacht 22 erstreckt sich über die Sohlenlinie der Trommel 19, und zwar ebenfalls über annähernd 180 Grad. Der untere Schacht hat jedoch eine wesentlich grössere Weite von beispielsweise 10 bis 40 mm im Vergleich zum oberen Schacht 21. Auch am unteren Schacht sind Düsenrohre 26 angeordnet, die sich über die gesamte Schachtbreite erstrecken.The lower drum 19 is at regular intervals individual waves 28 provided, so that the textile web only rests in a line. A lower shaft 22 extends over the sole line of the drum 19, and also over approximately 180 degrees. The lower shaft has one, however larger width of, for example, 10 to 40 mm in Comparison to the upper shaft 21. There are also at the lower shaft Nozzle tubes 26 arranged, which extend over the entire width of the shaft extend.

Die einander zugewandten freien Trommeloberflächen, über welche sich kein Schacht erstreckt, sind über ein gemeinsames Gehäuse 23 miteinander verbunden. Seitlich können mehrere Fensterklappen 24 angeordnet sein, welche das Einführen der Textilbahn erleichtern und welche im Betrieb eine Beobachtung des Waschvorgangs erlauben.The free drum surfaces facing each other, over which no shaft extends are over a common one Housing 23 connected together. Laterally, several Window flaps 24 are arranged, which the insertion of Facilitate textile web and which in operation an observation allow the washing process.

Anders als beim Ausführungsbeispiel gemäss Figur 4 wird die Textilbahn 1 über Umlenkwalzen 27 zuerst der oberen Trommel 18 zugeführt, wobei die Umschlingung der Walzen aber ebenfalls etwa S-förmig verläuft. Im oberen Schacht 21 wird die Textilbahn intensiv mit Dampf und ggf. im Wechsel auch mit Frischwasser beaufschlagt.Unlike the exemplary embodiment according to FIG. 4, the Textile web 1 over deflection rollers 27 first of the upper drum 18 fed, but also the wrapping of the rollers runs approximately S-shaped. In the upper shaft 21 Textile web intensely with steam and alternating with if necessary Fresh water applied.

Der Uebergang zur unteren Trommel 19 erfolgt freigestreckt im Gehäuse 23. Der untere Schacht 22 ist vollständig mit Flotte gefüllt, die jedoch laufend ausgetauscht wird. Ueber die Düsenrohre 26 wird Flotte unter Druck gegen die Oberfläche der Textilbahn gepumpt. Die Düsenrohre 26 könnten aber auch abgeschaltet werden und die Flottenzufuhr bzw. die Flottenumwälzung könnte mit anderen Mitteln erfolgen.The transition to the lower drum 19 is free stretched in Housing 23. The lower shaft 22 is completely with liquor filled, which is however constantly exchanged. About the Nozzle tubes 26 become liquor under pressure against the surface pumped the textile web. The nozzle tubes 26 could also be switched off and the supply of the fleet or the circulation of the fleet could be done by other means.

Ueber eine weitere Umlenkwalze wird die Textilbahn in Pfeilrichtung a dem Waschabteil entnommen. Vorzugsweise werden mehrere derartige Waschabteile in Serie hintereinander geschaltet.The textile web is moved in the direction of the arrow via a further deflecting roller a removed from the washing compartment. Preferably be several such washing compartments connected in series.

Claims (14)

  1. A process for the treatment of a textile web (1) which is passed in a stretched condition around a roller (2, 18) through a narrow curved shaft (5, 21) whose boundary wall is at least partially formed by the surface of the roller, wherein the textile web is acted upon under pressure with a treatent agent at least in the region of the shaft curvature from a plurality of successively arranged nozzles (7, 25), characterised in that the textile web is guided in the opposite direction around at least one further roller (3, 19) which is arranged downstream of the first roller in the transport direction and whose surface at least partially forms the boundary wall of a narrow curved shaft, wherein the textile web is also acted upon by treatment agent in the region of the shaft curvature of the further roller.
  2. A process according to claim 1 characterised in that the textile web (1) is guided in a bound web guide configuration around the rollers.
  3. A process according to claim 1 characterised in that the textile web (1) is firstly guided around an upper roller (18) where treatment agent is applied under pressure and that the textile web is then guided around a lower roller (19) where it is dipped into a bath with liquid treatment agent.
  4. A process according to one of claims 1 to 3 characterised in that treatment agent at least partially in vapour form is applied.
  5. A process according to claim 4 characterised in that liquid and vapour treatment agent are applied alternately with respect to the shaft extent.
  6. Apparatus for the treatment of a textile web (1) having a roller (2, 18) whose surface at least partially forms the boundary wall of a narrow curved shaft (5, 21) through which the textile web can be transported in a stretched condition, wherein in the curved portion of the shaft there are arranged a plurality of successively disposed nozzles (7, 25) for acting on the textile web with a treatment agent under pressure, characterised in that arranged downstream of the first roller in the transport direction is at least one further roller (19) around which the textile web can be guided, that the surface of the further roller at least partially forms the boundary wall of a narrow curved shaft, wherein the two rollers form at least two oppositely curved portions and wherein the textile web can also be acted upon with treatment agent in the curvature region of the further roller.
  7. Apparatus according to claim 6 characterised in that nozzles for acting on the textile web under pressure are arranged at both curved portions.
  8. Apparatus according to claim 6 or claim 7 characterised in that a straight shaft portion (8) is disposed between the two curved shaft portions.
  9. Apparatus according to claim 8 characterised in that nozzles (7) are also arranged on both sides of the straight shaft portion (8).
  10. Apparatus according to claim 6 characterised in that two rollers (18, 19) are arranged in mutually superposed relationship, wherein arranged at the upper roller (18) is a shaft (21) extending over the apex line of the roller and arranged at the lower roller is a shaft (22) extending over the bottom line of the roller and that the mutually facing shaft-less surfaces of the rollers are surrounded by a common housing (23).
  11. Apparatus according to one of claims 6 to 10 characterised in that the nozzles (25, 26) are connected or connectable to different treatment agent sources.
  12. Apparatus according to one of claims 6 to 11 characterised in that at least one roller is permeable, and in particular is in the form of a sieve drum.
  13. Apparatus according to one of claims 6 to 12 characterised in that at least one roller (2, 19) is of a corrugation-like configuration at the surface in the peripheral direction or in the axial direction.
  14. Apparatus according to one of claims 6 to 13 characterised in that the curved shaft (5, 21) has a shaft width of 3 to 40 mm, preferably 5 to 10 mm.
EP95810035A 1994-01-28 1995-01-18 Method and device for treating a textile web which is particularly sensitive to stretching Expired - Lifetime EP0669416B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH25494 1994-01-28
CH254/94 1994-01-28

Publications (2)

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EP0669416A1 EP0669416A1 (en) 1995-08-30
EP0669416B1 true EP0669416B1 (en) 1998-08-26

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EP95810035A Expired - Lifetime EP0669416B1 (en) 1994-01-28 1995-01-18 Method and device for treating a textile web which is particularly sensitive to stretching

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US (1) US5588170A (en)
EP (1) EP0669416B1 (en)
JP (1) JPH07216721A (en)
AT (1) ATE170241T1 (en)
DE (1) DE59503297D1 (en)
ES (1) ES2120703T3 (en)

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EP1057920A1 (en) 1999-05-31 2000-12-06 Solipat Ag Device and method for treating a fabric and drum with a surface of variable radius
DE10132214A1 (en) * 2001-06-30 2002-06-06 Zimmer Ag Processing of a fiber mass uses press rollers, where the fiber mass is compressed to force out any fluid followed by an expansion zone where a new treatment fluid is applied to impregnate the fibers
ITMI20021696A1 (en) * 2002-07-30 2004-01-30 H T P Unitex S P A METHOD AND MACHINE FOR THE INDUSTRIAL WASHING OF STRIP TEXTILE PRODUCTS
DE10360383A1 (en) * 2003-12-22 2005-07-21 Eduard Küsters Maschinenfabrik GmbH & Co. KG steam injector
US7500292B2 (en) * 2006-08-28 2009-03-10 Hbi Branded Apparel Enterprises, Llc Hydrodynamic treatment of tubular knitted fabrics
JP5410006B2 (en) * 2007-05-28 2014-02-05 ユニチカグラスファイバー株式会社 Cleaning method for inorganic fiber fabric
KR101289455B1 (en) * 2012-07-27 2013-08-07 한국생산기술연구원 Apparatus for removing oil and method for removing oil from oil impregnated filament thread by using the same
CN107735523B (en) * 2015-06-11 2020-01-31 卡尔迈耶纺织机械制造有限公司 Tank for cleaning warp threads

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DE59503297D1 (en) 1998-10-01
JPH07216721A (en) 1995-08-15
US5588170A (en) 1996-12-31
ATE170241T1 (en) 1998-09-15
ES2120703T3 (en) 1998-11-01
EP0669416A1 (en) 1995-08-30

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