EP1608807B1 - Procede et machine pour traiter des matieres textiles avec de l'ammoniac ou d'autres liquides - Google Patents

Procede et machine pour traiter des matieres textiles avec de l'ammoniac ou d'autres liquides Download PDF

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Publication number
EP1608807B1
EP1608807B1 EP04724709A EP04724709A EP1608807B1 EP 1608807 B1 EP1608807 B1 EP 1608807B1 EP 04724709 A EP04724709 A EP 04724709A EP 04724709 A EP04724709 A EP 04724709A EP 1608807 B1 EP1608807 B1 EP 1608807B1
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EP
European Patent Office
Prior art keywords
textile article
product
machine
impregnation
ammonia
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Expired - Lifetime
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EP04724709A
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German (de)
English (en)
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EP1608807A1 (fr
Inventor
Massimo Biancalani
Riccardo Ravagli
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Biancalani SRL
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Biancalani SRL
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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
    • D06B7/00—Mercerising, e.g. lustring by mercerising
    • 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
    • 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
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/02—Rollers
    • D06B23/028—Rollers for thermal treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/59—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances

Definitions

  • the present invention relates to a method for treating textile materials by ammonia, in particular bolts of fabric or yarns. This type of method is commonly known as mercerization. More generally, the invention relates to a method for treating textile articles or materials by liquids at low condensation temperature.
  • the invention also relates to a machine for treating textile materials.
  • Mercerization is a typical treatment for fabrics and yarns made of all cellulosic fibers, particular for cotton, which allows the material to be given a series of advantages, such as:
  • alkalies generally caustic soda, which determines:
  • the section of the fiber is transformed from elliptical to circular, thus allowing improved reflection of light with a consequent increase in luster.
  • liquid ammonia can be used as the mercerization chemical.
  • Discontinuous mercerization machines were recently proposed. In these machines a bolt of fabric wound on a roller is disposed in a closed chamber, where it is gradually unwound, immersed in an impregnation bath containing liquid ammonia, dried and rewound on a pick-up roller.
  • An example of a discontinuous machine of this type is described by C. Meyer «Nuovo procedimento di trattamento discontinuo con ammoniaca» ("New procedure of discontinuous treatment by ammonia”), in ITB, International Textile Bulletin 6/99, page 48 and following.
  • the object of the present invention is to produce a method and a machine that overcomes the drawbacks described above. More specifically, according to a first aspect, the object of the present invention is to produce a method that makes the mercerization process with ammonia simpler and less expensive, as well as intrinsically safer, and more generally a method wherein a textile article is impregnated with products that at ambient pressure condense at low temperature.
  • the object of the present invention is to produce a machine that is simpler and easier to manage, as well as less expensive and safer, for mercerization with ammonia or for other treatments implying impregnation of textile materials with products that at ambient pressure condense at low temperature.
  • Textile material or article is intended as any semi-finished product of considerable length that may be fed along a treatment path.
  • the textile article or material may be a spun fabric, a knitted fabric, a non-woven fabric or an essentially tubular product produced with spun or unspun textile fibers.
  • the textile article or material may, moreover, also be a yarn with any structure.
  • the method according to the invention performs controlled impregnation of the fabric with liquid ammonia that is made to condense from the gaseous or vapor state directly on the fabric or on a surface with which the fabric comes into contact, in a quantity sufficient to implement the process.
  • the method according to the invention to obtain condensation of the gaseous ammonia on the fabric consists in rapidly cooling the fabric, immersed in an environment saturated with gaseous ammonia, placing it in contact with surfaces maintained suitably cold with a cooling system capable of controlling the temperature.
  • the time for which the fabric remains in contact with the cold surface and the temperature thereof allow safe and repeatable control of the percentage of impregnation of the fabric.
  • the pressure of the ammonia gas chosen to saturate the treatment chamber which due to incompatibility with the environment must be isolated from the outside environment, will also determine the temperature range to which the fabric must be taken to obtain condensation of the ammonia.
  • the cooled surface can be a fixed surface, on which the textile article is made to run.
  • one or more guide rollers, motorized or idle, are provided, on which the textile article is guided and which are maintained at the temperature required to obtain condensation of the ammonia present in the saturated atmosphere of the chamber in which said rollers are disposed.
  • One of the possible configurations is to feed the fabric maintaining it in contact with the two cooling rollers, on one of which the fabric is partially wound with the right side and on the other with the wrong side.
  • rollers or other members defining the condensation surface of the ammonia are enclosed in a treatment or impregnation chamber, filled completely with gaseous ammonia at a pressure in the vicinity, for example, to the ambient pressure, so that the rollers or any other condensation surface must be maintained at temperatures below -33°C by means of a suitable cooling circuit.
  • condensation of the ammonia will take place both on the fabric and on the cooled metallic surface immediately before the fabric comes into contact and absorbs it immediately.
  • the fabric will advance in contact with heated rollers, or other drying devices and the ammonia vapor released from the fabric will return to the treatment or impregnation chamber to be condensed once again on the fabric fed to the chamber.
  • the two condensation and drying chambers are in fluid communication, so that condensation of the ammonia in the first causes gaseous ammonia to be retrieved from the other.
  • the machine does not require the addition of any ammonia or complex systems to recover and liquefy said ammonia.
  • the process may be a continuous process, with the textile article fed through an open system, that is with an inlet and an outlet.
  • the process and machine may be produced for discontinuous treatment, in which a bolt of fabric or reel of yarn or another textile article is unwound and rewound in a closed environment, from which the treated textile article is collected at the end of the treatment after said treatment is interrupted.
  • the machine indicated as a whole with 1
  • the machine is of the continuous type and has an inlet 3 and an outlet 5 for the textile article, which in this example of embodiment is a fabric indicated with T.
  • the treatment may also be performed on a yarn or on another type of textile article the fibers of which must undergo mercerization using ammonia.
  • Means, of a per se known type may be associated with the inlet 3 and the outlet 5, to prevent the gases present inside the machine from escaping.
  • the machine is provided with a first condensation or impregnation chamber, that is for the actual treatment, indicated with 7, communicating with a second drying chamber 9.
  • the path of the fabric T to be treated extends and travels through the two chambers.
  • Two rollers 11, 13 are disposed in the impregnation chamber 7 and rotate in opposite directions according to the arrows in the drawing.
  • the rollers may be motorized to facilitate feed of the fabric, or one of them may be idle and the other motorized. Alternatively they may both be idle.
  • the solution with idle rollers simplifies the roller support system, but the fabric must to be made to travel through the impregnation chamber 7 by traction.
  • one or more of the rollers downstream along the path of the fabric may be motorized.
  • the number 15 schematically indicates a cooling circuit used to compress, cool, condense and expand the coolant made to circulate in the two rollers 11 ad 13.
  • the chamber 7 is saturated with ammonia at a controlled pressure, for example slightly below the atmospheric pressure, to prevent ammonia from escaping from the chamber into the environment.
  • a controlled pressure for example slightly below the atmospheric pressure
  • the ammonia condensates on the surface of the rollers and impregnates the fabric T which is driven around them. As both faces of the fabric come into contact with the rollers, this allows essentially uniform impregnation of the thickness of the fabric.
  • the fabric is also wound around guide and drive rollers 19, 21, 27 that define a path of the fabric around two heated rollers 23, 25. These may be heated electrically, by the circulation of hot air, by a heat-carrying liquid or vapor or in any other suitable way.
  • the drying rollers 23, 25 are disposed so that they come into contact with the two opposed faces of the fabric T to cause rapid and uniform drying.
  • the ammonia that evaporates from the fabric T by means of absorption of heat energy supplied by the rollers 23, 25 is returned to the chamber 7 through the passage 17. In this way no machine of any type is required to recover the ammonia. Recovery and re-use of the ammonia occurs as a result of the difference in the thermodynamic conditions in the two chambers.
  • the condensation conditions in the chamber 7 and the feed speed of the fabric T can be controlled to obtain impregnation of the fabric with low percentages in weight of ammonia, typically and advantageously below 50% in weight of the dry fabric and preferably equal to or below 25%.
  • the textile article may be impregnated with a quantity ranging from 1 % to 20% in weight, and in particular from 1% to 15% in weight, and even more preferably from 1% to 10% or from 1% to 8% in weight. This small percentage of ammonia may be eliminated very easily and more or less completely by the heated rollers 23, 25.
  • ammonia dissolved in water does not perform any useful effect on the fabric.
  • the fabric subjected to the treatment necessarily has a humidity content relevant to a greater or lesser extent (typically ranging from 2% to 8% but in any case depending on the ambient humidity and on any pre-treatments of the textile article)
  • part of the ammonia absorbed by the fabric is neutralized by the water present in the fabric in the form of humidity.
  • Water absorbs up to 40% in weight of ammonia. Therefore, if the fabric has a humidity percentage of, for example, 5% in weight compared to the weight of the dry fabric, a quantity equal to 2% in weight of the dry fabric will be absorbed by the water and neutralized by it.
  • impregnation must be carried out with a total quantity of 5% in weight of ammonia, with reference to the weight of the dry fabric.
  • Useful percentage is intended as the percentage of ammonia that remains available to perform its action on the textile fibers, after that the residual water in the form of humidity in the fabric has been saturated by the ammonia.
  • Figure 2 shows an example of embodiment of a discontinuous machine.
  • the same numbers indicate parts that are the same as or correspond to those in the machine in Figure 1.
  • the machine once again indicated as a whole with 1, comprises a first impregnation and treatment chamber 7 and a second drying chamber 9.
  • a feed path of the textile article which also in this case is represented by way of example by a fabric T, extends around the two rollers 11, 13.
  • the fabric is unwound from a feed roll R1 on which a certain quantity of fabric to be treated is wound.
  • the roll R1 is unwound by a motorized unwinding roller 2.
  • the number 4 indicates two counter-pressure rollers associated with two cooled rollers 11, 13.
  • a scraper 6 with a heating pipe 8 and a drainage tray 10 is also associated with each of the two cooled rollers 11, 13.
  • This layout may be used to scrape away any water ice forming on the surface of the rollers.
  • the ice is detached by the scraper, which may be positioned at a minimum distance from the surface of the roller so as not to scrape the ammonia condensate.
  • the detached ice is heated by means of the heating pipe and recovered by means of the drainage tray.
  • the number 12 indicates spreader bars used to prevent wrinkles from forming on the fabric T, so that it adheres perfectly to the respective roller 11 or 13.
  • two heated rollers 23, 25 are provided, around which the path of the fabric T, said path also defined by guide rollers 18, 19, extends.
  • the roller 18 may be a dancer roll to control tension of the fabric T.
  • Further spreader bars 12 are also provided along the path of the fabric and in the impregnation chamber 7.
  • the treated and dried fabric is wound on a roll R2, made to rotate by a motorized winding roller 30.
  • the machine operates as follows. A roll R1 of fabric to be treated is fed into the chamber 7 and its initial end is made to pass through the path and fastened to a winding core on which the roll R2 will be formed. The machine is closed and the fabric is treated being unwound from the roll R1 and rewound on the roll R2. At the end of the treatment, after elimination of the ammonia from the machine or in any case with due caution, the roll R2 is removed from the chamber 9 and a new roll R1 is inserted in the chamber 7 to be subjected to a new treatment cycle.
  • the fluid passes from the chamber 9 to the chamber 7 through a separate path with respect to the path of the fabric.
  • a heat insulated wall 33 is provided to separate the two chambers and define, together with a cold wall 35, cooled by a cooling coil 37, a cavity 39.
  • the evaporated ammonia in the chamber 9 enters the cavity 39 through the opening 39A and is delivered cooled to the chamber 7 through the bottom opening 39B.
  • the cooling coil 37 also has the function of causing condensation of any water vapor released by the fabric during the drying phase.
  • the condensed water is collected by a drainage tray 40 that closes the cavity 39 at the bottom. This allows elimination or reduction of the entry of water vapor in the impregnation chamber 7 housing the elements at low temperature on which the ammonia condenses. Water condensate may form on the cooled wall 35. This may be eliminated by means of heating when required. For this purpose a second coil, or other heating and defrosting means, for example using electrical resistance, may be provided.
  • the particular layout of the cavity 39 with the coil 37 and any other heating means for defrosting, and the other elements combined with it, may also be provided in the continuous machine in Figure 1.
  • the expedients for eliminating water vapor, water condensate or ice are particularly useful in the case of a continuous machine, where the continuous passage of the fabric may cause water to accumulate. Therefore, the presence of the elements 4, 6, 8, 10, 12 may also be provided and advantageous in the continuous machine in Figure 1.
  • One or more guide rollers defining the path of the fabric in the impregnation chamber 7 may be adjustable to modify the path of the fabric and to increase or reduce the contact surface between the fabric and the cooled rollers 11, 13. This allows a greater or smaller percentage of the surface of the rollers to be made available for direct condensation of the ammonia. In this way it is possible to modify the quantity of ammonia that condenses on the surface of the rollers and impregnates the fabric when it comes into contact with the roller. In fact, impregnation can take place by condensation of the ammonia from the atmosphere of the chamber 9 on the exposed surface of the fabric cooled by the rollers, or by condensation on the surface of the rollers and absorption by the fabric upon contact. In this case, impregnation takes place through the surface of the fabric in contact with the roller rather than through the surface exposed to the atmosphere of the chamber 7.
  • the drawing purely shows a possible embodiment of the invention, which may vary in forms and layouts without however departing from the scope of the concept on which the invention is based.
  • the ammonia, or any other treatment product may also be eliminated using a different method to heating, such as through evaporation caused by vacuum pressure, by washing or in another way.
  • heating is the least expensive method and allows immediate re-use of the evaporated product, by cooling and transferring it to the impregnation chamber.
  • the fabric may also be subjected to further operations upstream and downstream of the treatment described herein. In particular, if removal of the treatment product (ammonia or another) by evaporation is not sufficient, a subsequent wash phase may be provided. These operations may take place in line in the case of the continuous line in Figure 1, or outside the line by unwinding the roll R2 in the case of the machine in Figure 2.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Fertilizers (AREA)

Claims (33)

  1. Procédé de traitement d'un article textile par un produit à une température de condensation basse, comprenant les phases consistant à humidifier l'article textile avec ledit produit à l'état liquide et à faire agir le produit liquide sur les fibres de l'article textile ; caractérisé en ce que l'article textile est imprégné par la condensation dudit produit de l'état gazeux à l'état liquide.
  2. Procédé selon la revendication 1, caractérisé en ce que ledit produit est l'ammoniac.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le produit textile est mis en contact avec au moins une surface refroidie dans un environnement saturé avec ledit produit à l'état gazeux, le produit se condensant sur ladite surface refroidie et étant absorbé par l'article textile au contact de celui-ci.
  4. Procédé selon la revendication 1 ou 2 ou 3, caractérisé en ce que ledit article textile est un article continu.
  5. Procédé selon la revendication 4, caractérisé en ce que ledit article textile est une pièce de tissu traité en largeur.
  6. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que ledit article textile est un fil.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'article textile est imprégné avec une quantité utile dudit produit condensé d'au plus 50 % et de préférence d'au plus 25 %, et de manière davantage préférée située dans la plage de 1 % à 20 % en poids de l'article textile sec.
  8. Procédé selon la revendication 7, caractérisé en ce que l'article textile est imprégné avec une quantité utile dudit produit située dans la plage de 1 % à 15 % en poids, et de préférence de 1 % à 10 % ou de 1 % à 8 % en poids de l'article textile sec.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit produit est condensé sur au moins une surface en mouvement autour de laquelle ledit article textile est entraîné.
  10. Procédé selon la revendication 9, caractérisé en ce que ladite au moins une surface en mouvement est la surface cylindrique d'un rouleau de guidage rotatif (11, 13).
  11. Procédé selon la revendication 10, caractérisé en ce que ledit article textile est entraîné autour de deux rouleaux de guidage refroidis (11, 13), l'un étant en contact avec une première surface de l'article textile et l'autre étant en contact avec la surface opposée de l'article textile.
  12. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le produit est éliminé au moins partiellement de l'article textile après que ledit produit a agi sur ledit article textile.
  13. Procédé selon la revendication 12, caractérisé en ce que ledit produit est éliminé dudit article textile par évaporation.
  14. Procédé selon la revendication 13, caractérisé en ce que le produit évaporé de l'article textile est condensé pour imprégner de nouveau une partie différente dudit article textile.
  15. Procédé selon la revendication 13 ou 14, caractérisé en ce que l'article textile imprégné est chauffé pour provoquer l'élimination du produit par évaporation.
  16. Procédé selon la revendication 15, caractérisé en ce que ledit article textile est chauffé en l'entraînant autour de deux rouleaux chauffés (23, 25), en contact avec les deux surfaces opposées de l'article textile.
  17. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que : une chambre d'imprégnation (7) et une chambre de séchage (9), en communication de fluide, sont disposées le long d'un passage d'alimentation de l'article textile; l'article textile est imprégné avec ledit produit condensé dans ladite chambre d'imprégnation (7) ; l'article textile imprégné est transféré de la chambre d'imprégnation (7) vers la chambre de séchage (9) ; le produit est éliminé par évaporation de l'article textile dans ladite chambre de séchage (9) ; le produit évaporé dans un état gazeux est transféré de la chambre de séchage (9) vers la chambre d'imprégnation (7).
  18. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit article textile est traité de manière continue.
  19. Procédé selon l'un quelconque des revendications 1 à 17, caractérisé en ce que ledit article textile est traité de manière discontinue.
  20. Machine destinée au traitement d'un article textile au moyen d'un produit en phase liquide à une température de condensation basse, comprenant : un passage pour l'article textile; des moyens d'imprégnation le long dudit passage pour imprégner l'article textile avec ledit produit; des moyens pour éliminer le produit dudit article textile ; caractérisée en ce que lesdits moyens d'imprégnation provoquent la condensation du produit à partir de l'état gazeux pour humidifier ledit article textile.
  21. Machine selon la revendication 20, caractérisée en ce que lesdits moyens d'imprégnation comprennent au moins une surface refroidie, l'article textile venant au contact de ladite surface refroidie sur laquelle ledit produit se condense.
  22. Machine selon la revendication 21, caractérisée en ce que ladite au moins une surface refroidie est la surface cylindrique d'un rouleau de guidage (11, 13) de l'article textile.
  23. Machine selon la revendication 22, caractérisée en ce qu'un racloir (6) est associé audit rouleau refroidi (11, 13) pour éliminer toute glace hydrique.
  24. Machine selon la revendication 20, 21, 22 ou 23, caractérisée en ce qu'elle comprend deux rouleaux refroidis (11, 13) pour entraîner l'article textile, lesdits rouleaux étant disposés le long du passage de l'article textile de manière à ce qu'une première des surfaces dudit article textile soit au contact du premier (11) desdits rouleaux et que la seconde de ses surfaces soit au contact du second (13) desdits rouleaux.
  25. Machine selon l'une quelconque des revendications 20 à 24, caractérisée en ce qu'elle comprend une chambre d'imprégnation (7), contenant une atmosphère dudit produit à l'état gazeux, dans laquelle lesdits moyens d'imprégnation sont disposés.
  26. Machine selon la revendication 25, caractérisée en ce qu'elle comprend une chambre de séchage (9), dans laquelle lesdits moyens destinés à éliminer le produit de l'article textile sont disposés, l'article textile circulant à travers ladite chambre d'imprégnation (7) et ladite chambre de séchage, disposées en série le long du passage d'alimentation de l'article textile.
  27. Machine selon la revendication 26, caractérisée une en ce que ladite chambre d'imprégnation (7) et ladite chambre de séchage (9) sont en communication de fluide, le produit éliminé de l'article textile dans ladite chambre de séchage (9) étant transféré à l'état gazeux vers ladite chambre d'imprégnation (7) et condensé dedans.
  28. Machine selon la revendication 27, caractérisée par une cavité (39) entre ladite chambre de séchage (9) et ladite chambre d'imprégnation (7), le produit évaporé circulant à travers ladite cavité (39), dans laquelle des moyens de refroidissement (37) sont disposés.
  29. Machine selon la revendication 28, caractérisée en ce que des moyens destinés à récupérer et à éliminer l'eau sont associés à ladite cavité (39).
  30. Machine selon l'une quelconque des revendications 20 à 29, caractérisée en ce que lesdits moyens destinés à éliminer le produit de l'article textile comprennent au moins un rouleau chauffé (23, 25).
  31. Machine selon l'une quelconque des revendications 20 à 30, caractérisée en ce que ledit passage pour l'article textile est un passage continu avec un orifice d'entrée (3) et un orifice de sortie (5).
  32. Machine selon l'une quelconque des revendications 20 à 31, caractérisée en ce qu'elle comprend des moyens de déroulement (2) pour distribuer l'article textile à partir d'une première alimentation en article textile à traiter et des moyens d'enroulement (30) pour récupérer l'article textile traité et le placer dans une seconde alimentation d'article textile traité, un passage s'étendant entre lesdits moyens de déroulement (2) et lesdits moyens d'enroulement (30).
  33. Machine selon l'une quelconque des revendications 20 à 32, caractérisée en ce que lesdits moyens d'imprégnation peuvent prendre des conditions de pression et de température qui condensent l'ammoniac.
EP04724709A 2003-04-02 2004-03-31 Procede et machine pour traiter des matieres textiles avec de l'ammoniac ou d'autres liquides Expired - Lifetime EP1608807B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITFI2003000 2003-04-02
IT000088A ITFI20030088A1 (it) 2003-04-02 2003-04-02 Metodo ed impianto per il trattamento di materiali tessili con ammoniaca od altri prodotti liquidi
PCT/IT2004/000165 WO2004088027A1 (fr) 2003-04-02 2004-03-31 Procede et machine pour traiter des matieres textiles avec de l'ammoniac ou d'autres liquides

Publications (2)

Publication Number Publication Date
EP1608807A1 EP1608807A1 (fr) 2005-12-28
EP1608807B1 true EP1608807B1 (fr) 2007-03-07

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EP04724709A Expired - Lifetime EP1608807B1 (fr) 2003-04-02 2004-03-31 Procede et machine pour traiter des matieres textiles avec de l'ammoniac ou d'autres liquides

Country Status (11)

Country Link
US (1) US20050172417A1 (fr)
EP (1) EP1608807B1 (fr)
JP (1) JP2006522236A (fr)
KR (1) KR20050120569A (fr)
CN (1) CN1697896A (fr)
AT (1) ATE356241T1 (fr)
BR (1) BRPI0403963A (fr)
DE (1) DE602004005169D1 (fr)
IT (1) ITFI20030088A1 (fr)
TW (1) TW200500524A (fr)
WO (1) WO2004088027A1 (fr)

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DE602004005169D1 (de) 2007-04-19
TW200500524A (en) 2005-01-01
WO2004088027A1 (fr) 2004-10-14
US20050172417A1 (en) 2005-08-11
JP2006522236A (ja) 2006-09-28
KR20050120569A (ko) 2005-12-22
EP1608807A1 (fr) 2005-12-28
ATE356241T1 (de) 2007-03-15
BRPI0403963A (pt) 2005-03-01
ITFI20030088A1 (it) 2004-10-03

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