EP1945846B1 - Machine pour le traitement continu d un tissu sous forme de corde et procede associe - Google Patents

Machine pour le traitement continu d un tissu sous forme de corde et procede associe Download PDF

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Publication number
EP1945846B1
EP1945846B1 EP06821770A EP06821770A EP1945846B1 EP 1945846 B1 EP1945846 B1 EP 1945846B1 EP 06821770 A EP06821770 A EP 06821770A EP 06821770 A EP06821770 A EP 06821770A EP 1945846 B1 EP1945846 B1 EP 1945846B1
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EP
European Patent Office
Prior art keywords
fabric
section
machine
transfer
treatment
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EP06821770A
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German (de)
English (en)
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EP1945846A1 (fr
Inventor
Alberto Ciabattini
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Coramtex SRL
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Coramtex SRL
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    • 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
    • D06C19/00—Breaking or softening of fabrics
    • 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
    • D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material

Definitions

  • the present invention relates to a machine for treating a fabric. More specifically, the present invention relates to a continuous cycle machine for treating a fabric in rope form. Moreover, the invention relates to a respective method for continuous treatment of fabric in rope form.
  • machines that subject the pieces of fabric to treatments both in a bath and without a bath by transferring the fabric along a transfer path where said fabric is subjected to the mechanical action of one or more mechanical members and, if necessary, a chemical action by means of enzymes and/or a thermal action.
  • machines are known that process fabrics in rope form with a discontinuous cycle.
  • a rope of fabric of finite length is inserted in the machine and closed joining the head and tail of said rope to each other to form a sort of loop.
  • This loop of fabric is made to circulate for a suitable number of times, i.e. for a suitable treatment time, along the treatment path.
  • the machine is stopped, depressurized if required, opened and the treated fabric is removed there from to be replaced with a new fabric to be treated.
  • Machines of this type see for example patents EP-B-0518065 , EP-B-0565884 , EP-B-0633340 and EP-B-0952247 , in general allow dry fabric to be treated principally in a bath, and have the drawback of requiring frequent stops for loading and unloading, stitching the fabric in a loop and unstitching it. This results in loss of production and high labor costs. The need to depressurize and cool the machine (when it operates at pressure and/or temperature) also results in considerable energy consumption.
  • the fabric In multi-tank machines that process the fabric in open width in a continuous cycle, the fabric is fed into a first tank, transferred to the intermediate treatment tanks and then removed gradually from a last tank at the opposite end of the path.
  • a supply of fabric In each intermediate tank inside the machine a supply of fabric forms, moving at a greater speed than the speed at which it is inserted into and removed from the machine, so that each section of fabric is subjected to more than one treatment.
  • Patent IT-B-1151983 describes a multi-tank machine for continuous treatment of fabric in rope form with tanks placed side by side longitudinally, which comprises a single reel for feeding the fabric from one tank to the other.
  • the treatment is bland and the treatment speed limited.
  • EP-A-1301658 describes a multi-tank machine for continuous treatment of fabric in rope form with tanks placed side by side that facilitates feed of the fabric from one tank to the next thanks to pneumatic transfer ducts sloping in relation to said tanks, i.e. positioned so that a tank adjacent to the inlet tank of each transfer duct corresponds to the outlet of the same duct.
  • An object of the invention is to provide a machine for continuous treatment of fabrics in rope form which is less expensive and simpler to construct, which facilitates control of the treatment process obtaining particularly high production levels and overcoming or reducing at least some of the aforesaid drawbacks of existing machines.
  • Another object is to obtain a machine which is more versatile than prior art machines.
  • a further object of the present invention is to produce a method that allows continuous processing of a fabric in rope form in an improved and faster way at a moderate cost.
  • a machine for continuous treatment of a fabric in rope form comprising: a plurality of treatment sections arranged in series along the feed path of the fabric, each of which has at least two accumulation areas; in each section at least one bidirectional transfer system to transfer the fabric alternatively between accumulation areas of a same section; and means to convey the fabric from one section to an adjacent section, said conveying means being separate from the transfer systems provided in each section.
  • the treatment sections are placed side by side longitudinally, i.e. positioned beside each other in the direction of their length so that the accumulation areas of each section are adjacent to the accumulation areas of a same contiguous section.
  • the sections extend longitudinally and the accumulation areas are aligned according to this linear extension. Adjacent sections are placed side by side transverse to their longitudinal extension.
  • the overall length of the machine is reduced.
  • Several sections can also be arranged according to a mixed arrangement, producing customized configurations mainly on the basis of the available space.
  • the means to convey the fabric from one section to the other are motorized and their purpose is to lift a supply of fabric stored in an accumulation area and unload it in an accumulation area of an adjacent section to control the supply of fabric in each accumulation area in a substantially independent way, as will be explained in greater detail hereunder.
  • the purpose of the bidirectional transfer system is to convey the fabric alternatively in opposite directions from one accumulation area to the other of a same section at a greater speed than the speed at which the fabric is inserted into and removed from the machine and therefore than the speed at which the fabric is transferred from one section to the consecutive one by said transfer means, to allow repeated treatment in each single accumulation area.
  • This transfer system is preferably and advantageously produced with a Venturi tube pneumatic system and the path is at least partially pressurized so that, in a simple and inexpensive way, the movement of the fabric in rope form from one accumulation area to the other qan be reversed and further elements for physical treatment of said fabric can be provided.
  • At least one striking element in front of the transfer system, in particular at the end of the path in the direction of transfer of the fabric, at least one striking element, preferably a grid, can advantageously be provided.
  • two opposed striking elements are provided for each treatment section, as deascribed for example in WO-A-03023111 , in front of the two ends of the pneumatic transfer duct, against which the fabric is made to strike due to the kinetic energy imparted thereto by the transfer system, to increase the effect of the physical treatment and softening of said fabric.
  • a grid structure must be understood as any structure suitable to form a striking surface for the fabric and at the same time allowing air to pass through. It can be composed of a series of horizontal and/or vertical bars, a perforate metal sheet, a continuous metal sheet with a central slit or a series of slits varyingly arranged, or other systems.
  • a respective suction mouth of a pneumatic circuit can advantageously be provided, to alternatively suck the air emerging from the transfer system.
  • the treatment efficiency of the machine is increased.
  • the flow of air sucked in by the suction mouths allows an increased acceleration of the fabric, in particular each time the direction of movement is reversed, and therefore higher speeds can be reached to obtain more efficient treatment.
  • high temperature air can be used, especially when the machine operates in the drying configuration, providing an air recirculation or regeneration circuit capable of improving the efficiency and increasing the output of the drying system.
  • a control unit and sensor means such as load cells or similar systems are provided in each accumulation area, to individually control the supply of fabric stored in the respective accumulation areas, to control the system to reverse the direction of movement of the fabric in each operating or treatment section of the machine (in particular, for example, in the Venturi tube pneumatic system), and to control the means that convey the fabric in rope form from one section to the other, as will be described in greater detail hereunder.
  • the present invention relates to a method for continuous treatment of a fabric in rope form comprising the following steps:
  • the speed at which the fabric moves between accumulation areas of a same section and reversal of movement imparted by the transfer system of each section can be adjusted separately to the speed at which the fabric is moved from one section to the consecutive section by said conveying means.
  • the fabric can be moved several times at high speed between one accumulation area of a same treatment area and the other and vice versa, before being transferred to the subsequent section, while the transfer speed from one section to the subsequent one is substantially lower than the feed speed inside the single treatment section.
  • each portion of fabric is treated several times in each treatment section and passage of the fabric from one section to the next is implemented in a way that can be controlled separately from the treatment speed in the single sections.
  • the bidirectional transfer system allows physical treatment of the fabric in rope form and transfer is advantageously performed using a pneumatic pressurized-air system.
  • the step (c) to alternately transfer the fabric inside each section and the step (d) to convey the fabric from one section to the adjacent one are controlled to produce accumulation areas substantially independent from one another.
  • the step (c) and the step (d) are essentially independent from each other, in the sense that each treatment section comprises a bidirectional transfer system independent from the others, allowing separate and even different treatment processes to be implemented in each accumulation area.
  • step (c) the direction of movement of the fabric between one accumulation area and the other of a same section is reversed to avoid exhausting the supply of fabric in each accumulation area using suitable control systems, for example by performing this reversal as soon as the weight of a supply of fabric reaches a pre-set lower threshold value.
  • motorized conveying means such as reels or pulleys are provided synchronized with fabric entry to and delivery from the machine, so that the quantity of fabric entering the machine is the same as the quantity deliverer moreover, the conveying means are synchronized with each other on the basis of the treatment time required in each of the sections.
  • the fabric being treated can undergo a "shrinking" effect - i.e. a decrease in length - in particular as a function of the treatment it undergoes.
  • This "shrinking" effect determines a decrease in the reversal time in the accumulation areas, thus making synchronization of the conveying means with entry to and delivery from the machine ineffective and running the risk of exhausting the supplies of fabric or subjecting the fabric to excessive traction.
  • the fabric can be delivered continuously from the last tank of the machine at a perfectly synchronized speed, the same as - or preferably lower than, due to the shrinking effect - the speed at which it enters the machine.
  • a bath containing suitable enzymes or other chemical products can advantageously be provided inside the accumulation area, so that a machine according to the invention can treat the fabric dry or also in a bath.
  • this type of machine can advantageously be utilized for a plurality of dry treatments on a fabric in rope form, such as drying, steaming, softening, shrinkage of the woven or knitted fabric, or for treatment in a bath, such as chemical or physical/chemical and/or enzyme treatments in specific baths and other treatments.
  • the machine can also be utilized to perform specific pre-dye washes or washes and treatments with final finishing products for stiff fabrics to be softened and to shrink the weave.
  • Chemical or enzyme treatment in a sheet of water at high temperature can also be performed; this consists essentially of producing a sheet of water that evaporates in each accumulation section to maintain an ideal temperature for the specific treatment, e.g. treatment with preimpregnation.
  • the same type of treatment can be implemented in all the accumulation areas and in all the treatment sections in order to increase the speed and output of said treatment.
  • different treatments can be performed in one or more sections, to produce combined treatments, e.g. to perform in succession washing, treatment in a bath, drying and steaming or to perform in succession washing and treatment in a bath only, or yet again drying and dry steaming only.
  • Dry processes such as finishing or processes having an effect on the fabric are improved compared to those performed with a discontinuous machine, with a very advantageous ratio production rate/machine cost.
  • the machine according to the invention can advantageously be designed as a complete line and operated automatically for entry and delivery of fabric in rope form. It would also be possible for the fabric to enter and/or be delivered from the machine in open width, although the treatment inside the machine is always performed on fabric in rope form.
  • the machine according to the present invention is extremely versatile, as it is particularly suitable to perform one or more processes - dry and/or in a bath - continuously, without any downtimes for loading/unloading, stitching and unstitching the piece, decreasing energy consumption and increasing productivity with smaller overall dimensions compared to conventional machines.
  • a machine according to the invention comprises a path formed by a plurality of treatment sections or modules placed side by side along a direction orthogonal to the longitudinal extension of each section, for continuous treatment of a fabric in rope form, one of these treatment sections being indicated in Figure 1 with the reference numeral 2.
  • section 2 includes: accumulation areas 3A and 3B, between which a transfer system 7 is arranged; an electronic control unit 18; conveying means of the pulley or reel type 12 to transfer the rope of fabric from one section to the adjacent section, not shown for simplicity in Figure 1 ; and load cells 4A and 4B in the respective accumulation areas 3A and 3B to control the quantity of rope, i.e. the supply of fabric in each accumulation area.
  • the accumulation areas 3A and 3B are of the tank type with respective surfaces 5A and 5B which are inclined towards the transfer system 7; it is nonetheless understood that the accumulation areas 3A and 3B are in no way limited to the number and type described, which represent a exemplificative embodiment of the invention.
  • the transfer system 7 is of the pneumatic type and comprises: a bidirectional transfer duct 9 of the Venturi tube type, inside which the rope of fabric T is pulled; a pressurized air feed duct 11, to feed the transfer duct 9; and striking elements in the form of grids 10A and 10B placed in front of the outlets of the duct 9.
  • This transfer system is also in no way limiting the invention, and represents a exemplificative embodiment thereof.
  • the transfer duct 9 can be a duct with a circular or rectangular cross section or similar; moreover, it can have variable geometry to improve the efficiency and increase the output of the transfer system 7.
  • Figures 2A and 2B show in particular a partial section of an example of the transfer duct 9 of the type with substantially rectangular variable geometry which comprises movable wall elements P1 and P2 in a first configuration ( Figure 2A ), in which the walls P1 and P2 are moved towards each other to form a section S1 of passage for the rope of fabric; and in a second configuration ( Figure 2B ) in which the wall elements P1 and P2 are moved away from each other to form a larger section of passage S2 than the section S1.
  • FIGS. 2A and 2B schematically show a baffle element 8 in the pressurized air feed duct 11, the purpose of which is to select the direction of transfer of the fabric inside the duct 9 by means of control unit 18.
  • a fabric in rope form T is fed to the accumulation area 3A of the treatment section 2 by means of a pulley 12 from an adjacent section - not show for simplicity in the figure - to feed a first supply of fabric, then passes through the duct 9 of the transfer system 7, where it is struck against the grid 10B by the pressurized air coming from the feed duct 11 and thus feeds a supply of fabric into the accumulation area 3B.
  • Movement of the fabric T between the accumulation areas 3A and 3B is completely reversible.
  • washing or dyeing spray nozzles can be provided in the transfer duct 9 to increase the output of any washing and/or dyeing operations on the rope of fabric.
  • Figure 3 shows a schematic embodiment of a treatment path produced with three treatment sections 2A to 2C analogous to the section 2 described in Figure 1 ; it is clear that the number of sections can vary without being limited to the number illustrated in the figure.
  • the three sections 2A to 2C are placed side by side in a direction transverse to their longitudinal extension and each one comprises motorized pulleys or reels 12, suitable to lift the rope of fabric from an accumulation area 3B or 3C and deposit it in the accumulation area 3D or 3E of the respective adjacent section 2B or 2C.
  • Figure 3 shows a roller or reel feeder 14, width which the fabric T is fed to the entrance of the machine 1, and a roller or reel extractor 16 in the last section 2C at the exit of the machine to finally remove the treated fabric therefrom.
  • Operation of the machine 1 comprises a first loading step in which the rope of fabric T is positioned along the entire path inside the machine, i.e. the fabric T is-passed from the feeder 14 at the entrance to the extractor 16 at the exit, taking care to arrange it inside each transfer duct 9 and to form a pre-established quantity of supply in each accumulation area 3A to 3F (advantageously approximately 10 to 20 meters, but also up to and over 70 meters in each accumulation area) as a function mainly of the type of fabric and the treatment to be performed.
  • the transfer systems 7 present in each section 2A to 2C are activated to violently transfer the fabric T alternately from an accumulation area 3A, 30 or 3E to the respective area 3B, 3D or 3F of the same section 2A, 2B or 2C and vice versa.
  • the duration of each transfer before reversal can be set manually by an operator by adjusting the speed of the pressurized air and the minimum quantify of fabric supply, detectable by the load cells 4A or 4B in each accumulation area 3A or 3F.
  • control unit 18 can receive data from the load cells 4A and 4B of each accumulation section and control reversal of each transfer system 7 by movement of the baffles 8, see also Figures 2A and 2B , on the basis of the parameters set by the operator, diverting the flow of pressurized air from the feed ducts 11 alternatively in the two directions.
  • the transfer speed between consecutive reversals - i.e. the speed of the pressurized air that can be set by the operator - can be adjusted as a function of the process to be performed and mainly as a function of the intensity of physical treatment to be obtained on the fabric.
  • the fabric T is conveyed to the subsequent section by means of motorized pulleys or reels 12 after having undergone treatment in the previous section.
  • the unit 18 controls movement of the pulleys 12 synchronizing it with that of the feeder 14 and of the extractor 16, so that the quantity of fabric entering the machine is the same as the quantity of fabric delivered from the machine, and on the basis of the processing time - which can be set by the operator - required for the treatment in each of the sections 2A - 2C, taking account of any shrinkage of the fabric which can be variable from section to section.
  • Movement of the pulleys 12 is preferably discontinuous, although it would also be possible for the pulleys 12 to move contiguously even varying the speed.
  • the "shrinkage" phenomenon of the fabric can determine a decrease in the reversal time in the accumulation areas 3A - 3F, and therefore to prevent the supply of fabric T in an accumulation area from being exhausted due to shrinkage, a decrease in the transfer speed of the fabric T from one section to the adjacent section is set for each decrease in reversal time.
  • the unit 18 determines any variation in the transfer speed of the fabric T from one treatment section to the other taking into account the reversal time of the fabric in the previous section. For example, if the unit 18 determines a decrease in the reversal time, i.e. if between one reversal and the next of the direction of transfer of the fabric in one section there is a decrease in time, this means that the length of fabric in the section is decreasing. To compensate this decrease in length, the unit 18 reduces the transfer speed of the fabric in the subsequent section.
  • FIG. 4 shows an axonometric and schematic view of a machine 100 according to the invention in drying configuration.
  • This machine 100 comprises a feed circuit 13 for pressurized air - optionally heated - which by means of a plurality of feed ducts 11 feeds a plurality of transfer ducts 9 of the respective transfer systems 7 in the sections placed side by side, 2A, 2B and 2C respectively, of the machine body 1.
  • This circuit is substantially formed by a pressurized air input duct 20, of a pressurized air uptake duct 22 which fluidly connects mouths 24 and 26 positioned in proximity to the grids 10A and 10B respectively with a fan 23.
  • an exhauster 30, a filter 32 and a burner or heat exchanger 34 not in scale in the figure for pressurized air.
  • the mouths 24 and 26 take up pressurized air through the grids 10A and 10B respectively, against which the fabric T being delivered from the transfer duct 9 strike, in order to increase the transfer effect on the fabric and re-utilize this pressurized air.
  • the configuration described above refers in particular to dry treatments such as drying, softening, shrinkage, steaming and similar.
  • Figure 5 shows an axonometric and schematic view of a machine 200 according to the invention in washing configuration.
  • the machine 200 advantageously comprises the pressurized air feed circuit 13 of the drying configuration described in Figure 4 .
  • the pressurized air circuit 13 to improve the performances of the machine 200 which has a pneumatic transfer system 7, for example of the Venturi tube type, to allow rapid conversion of this machine from the dry configuration to the wet configuration, and to perform any drying and/or dry operations in some of the sections 2A to 2C of the machine 200, thus producing a machine that performs both dry and wet processes.
  • the machine 200 comprises a pumping system 33 for input of the chemical treatment bath produced with a pump 37, feed ducts 35, a filter 39 and any additional systems, such as a heat exchanger 41.
  • the pumping system 33 feeds chemical treatment fluid to each accumulation area 3A to 3F of the sections 2A, 2B and 2C respectively of the machine body 1 through the feed ducts 35.
  • the pumping system is a closed circuit system to continuously recirculate the treatment fluid, after it has been filtered by the filter 39 and heated by the burner 41, suitably reintegrated with any new fluid.
  • spray nozzles not shown for simplicity in the figure - are provided to spray the chemical treatment directly onto the fabric T.
  • the steps to load the fabric, for intermittent treatment movement, for feed from one accumulation area to the next until reaching the exit, for delivery, to synchronize movement to maintain the supply of fabric in each single accumulation area 3A to 3F, for synchronization for reversal of transport of the fabric in the transfer ducts 9, for striking against the grids 10A and 10B, for air circulation in the transfer systems 7, for air uptake through the mouths 24 and 26 positioned behind the grids 10A and 10B respectively are substantially the same and are repeated in entirely the same way as those of the dry configuration described hereinbefore.
  • An automatic metering system can be provided so that a constant quantity of treatment product or fluid is consumed on the continuously fed fabric T.
  • the machine according to the invention can be used for drying and for performing dry treatment or for washing and for treatment in a bath or, in the combined version, for washing and treatment in a bath of a batch of fabric and subsequently, at the end of the batch, for continuous drying with softening treatment or for softening of the dry fabric and for steaming.
  • Figure 6A shows a schematic side view of an enzyme treatment line with entry in open width and delivery in open width.
  • the fabric T is fed from a large roll 51 in open width to an impregnation padder 53, then passes into a J-Box accumulator 55 to be fed to the machine 1 of the invention which can comprise 3, 5, 7 or several sections .
  • 2A, 2B, 2C placed side by side, to then be delivered from a synchronizing J-Box 57, pass into a squeezing device 59 in rope form, to a rope opener 61 to be delivered with the fabric T in open width, and then to a tank 63 with rinse spray nozzles and squeezing device to be finally delivered in an open-width roll 65.
  • Figure 7A shows a schematic side view of an enzyme treatment line with entry in open width and delivery in rope form.
  • the fabric T is fed from a large roll 51 in open width, passes into an impregnation padder 53, then into a J-box accumulator 55, then into a machine 1 according to the invention which can comprise 3, 5, 7 or several sections 2A, 2B, 2C placed side by side, then into a continuous rinse tank with three overflow stations 67 to be finally delivered in rope form into a large tank.
  • Figure 7B shows a top view of the continuous rinse tank 67 with three overflow stations in Figure 7A .
  • Figure 8A shows an exemplificative diagram of a plan view of the path traveled by the fabric in the embodiment of the invention described in Figure 3 , having three treatment sections 2A, 2B and 2C placed side by side longitudinally, each of which provided with the bidirectional transfer system 7 - in particular the Venturi tube pneumatic system - connected by the pulley conveying means 12.
  • the fabric is fed to the entrance of the machine by feeders 14 and is delivered by extractors 16.
  • Figures 8B and 8C respectively show two variants of the invention on the basis of the diagram in Figure 8A .
  • Figure 8B shows an embodiment of the invention produced with a first series of three treatment sections 2Ax, 2Bx, 2Cx placed side by side, with which a second series of three sections 2Ay, 2By, 2Cy are combined, the three sections 2Ax, 2Bx, 2Cx being placed side by side with one another in a direction orthogonal to the longitudinal extension of said sections, and arranged in line with each respective second section 2Ay, 2By, 2Cy, in turn arranged longitudinally with one another.
  • the first two sections 2Ax, 2Ay are aligned with each other along the direction of feed of the fabric in said sections, while the section 2Ay and the section 2By are placed side by side transverse to the direction of movement of the fabric in said sections, i.e. transverse to the longitudinal extension of these sections.
  • Figure 8C shows an embodiment of the invention produced with a first series of three treatment sections 2Ax, 2Bx and 2Cx positioned side by side with which is a second series of three sections 2Ay, 2By and 2Cy, in this configuration the treatment sections being arranged so that the entrance of the second sections 2Ay, 2By and 2Cy corresponds to the exit of the first sections 2Ax, 2Bx and 2Cx.

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  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (21)

  1. Machine pour le traitement continu d'un tissu en forme de corde (T), comprenant
    - une pluralité de sections de traitement (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy), ayant chacune au moins deux aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) ;
    - dans chacune desdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy), au moins un système de transfert bidirectionnel (7) pour transférer en alternance ledit tissu (T) entre deux aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) d'une même section (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy),
    caractérisée en ce qu'elle comprend
    - des moyens de transport (12) pour amener progressivement ledit tissu (T) depuis l'une desdites aires d'accumulation d'une section vers une aire d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) d'une section adjacente (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) ;
    - un moyen de détection (4A, 4B) pour détecter la quantité de tissu (T) dans chacune desdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) ;
    - une unité de commande (18) en liaison avec ledit moyen de détection (4A, 4B) et programmée pour inverser la direction de transfert de chaque système de transfert (7) en fonction de la quantité de tissu (T) détectée par ledit moyen de détection (4A, 4B) dans les aires respectives d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) ;
    ladite unité de commande étant programmée pour commander lesdits moyens de transport (12) pour corriger une variation de l'intervalle de temps s'écoulant entre deux inversions successives de la direction de transfert dans lesdites sections, la correction de ladite variation comprenant la modification de la vitesse d'avance dudit tissu (T) d'une première section vers une deuxième section suivante en conséquence d'un changement dudit temps d'inversion dans ladite première section.
  2. Machine selon la revendication 1, caractérisée en ce que ladite unité de commande (18) est conçue pour déterminer toute variation de la vitesse de transfert du tissu (T) d'une section de traitement (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) à l'autre en tenant compte du temps d'inversion du tissu dans la section précédente, en particulier ladite unité de commande (18) est conçue pour déterminer une diminution du temps d'inversion dans une section et pour réduire en conséquence la vitesse de transfert du tissu dans la section suivante.
  3. Machine selon la revendication 1 ou 2, caractérisée en ce que lesdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) sont positionnées au moins partiellement côte à côte de sorte que lesdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) de chaque section soient adjacentes aux aires d'accumulation d'une même section contiguë.
  4. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce que lesdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) sont au moins partiellement alignées en fonction de la direction d'avance du tissu à l'intérieur de chaque section.
  5. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce que ledit système de transfert bidirectionnel (7) est du type pneumatique, et comprend de préférence un système pneumatique à tube venturi.
  6. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce que des éléments de choc (10A, 10B), contre lesquels le tissu (T) vient buter, sont associés à au moins certaines desdites aires d'accumulation.
  7. Machine selon la revendication 6, caractérisée en ce que lesdits éléments de choc (10A, 10B) d'une même section (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) sont placés devant des extrémités opposées d'un conduit de transfert pneumatique (9) du système de transfert (7) correspondant.
  8. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce que lesdits moyens de transport (12) sont des poulies ou des bobines.
  9. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce que lesdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) ont des surfaces (5A, 5B) en pente en direction dudit système de transfert (7).
  10. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce que chacun desdits systèmes de transfert bidirectionnel (7) comprend un conduit de transfert pneumatique à tube venturi (9) ayant des sorties dirigées vers les aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) de la section respective (2 ; 2A, 2B), un conduit d'alimentation en fluide sous pression (11) relié audit conduit de transfert (9) et, si nécessaire, des éléments de choc (10A, 10B) positionnés devant les sorties dudit conduit (9).
  11. Machine selon au moins la revendication 10, caractérisée en ce que ledit conduit de transfert (9) a une section transversale variable.
  12. Machine selon la revendication 10 ou 11, caractérisée en ce qu'elle comprend un circuit d'alimentation (13) pour amener un fluide sous pression dans ledit système de transfert (7), ledit circuit d'alimentation comprenant au moins un conduit d'entrée de fluide sous pression (20) afin de raccorder un ventilateur (23) audit système de transfert (7), et également au moins une montée de fluide sous pression (22) afin de raccorder des embouchures (24, 26) positionnées devant les sorties desdits systèmes de transfert (7) audit ventilateur.
  13. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'elle comprend au moins un système de pompage (33) permettant un échange de fluide avec lesdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) pour amener des fluides de traitement.
  14. Machine selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'elle comprend au moins deux systèmes de pompage (33) distincts et séparés pour amener au moins deux fluides de traitement différents dans des aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) séparées des sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy).
  15. Procédé de traitement continu d'un tissu en forme de corde (T), comprenant les étapes suivantes consistant à :
    a) agencer, le long d'un chemin de traitement, une pluralité de sections de traitement (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy), comprenant chacune au moins deux aires d'accumulation du tissu (3A, 3B ; 3C, 3D ; 3E, 3F) et au moins un système de transfert bidirectionnel (7) pour transférer le tissu de l'une desdites deux aires vers l'autre et vice versa ;
    b) agencer, entre des sections consécutives de traitement (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy), des moyens de transport (12) pour transporter le tissu (T) d'une section à l'autre ;
    c) transférer en alternance ledit tissu (T) entre les aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) d'une même section (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) au moyen du système de transfert bidirectionnel (7) respectif ;
    d) amener progressivement ledit tissu (T) depuis une première desdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) vers une section adjacente et suivante desdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) en utilisant lesdits moyens de transport (12) ;
    caractérisé par les étapes supplémentaires suivantes consistant à :
    - déterminer le temps d'inversion du mouvement dudit tissu (T) dans chacune desdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) ;
    - modifier la vitesse d'avance dudit tissu (T) d'une première section vers une deuxième section suivante, si ledit temps d'inversion dans ladite première section change.
  16. Procédé selon la revendication 15, caractérisé en ce que l'avance du tissu entre les aires d'accumulation d'une même section a lieu a une vitesse plus élevée que l'avance du tissu d'une section vers l'autre, chaque portion de tissu étant transférée plusieurs fois en un mouvement bidirectionnel de l'une des aires d'accumulation de chaque section à l'autre avant d'être transporté vers la section adjacente.
  17. Procédé selon la revendication 15 ou 16, caractérisé en ce que l'étape (c) consistant à transférer en alternance ledit tissu (T) au sein de chacune desdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) est sensiblement indépendante du mouvement d'avance dudit tissu (T) d'une section vers la section adjacente.
  18. Procédé selon la revendication 15, 16 ou 17, caractérisé en ce que durant le transfert dudit tissu (T) entre lesdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) d'une même section (2 ; 2A, 2B, 2C), ledit tissu (T) vient buter contre des éléments de choc (10A, 10B) en raison de l'énergie cinétique qui lui est communiquée par ledit système de transfert (7).
  19. Procédé selon au moins une ou plusieurs des revendications 15 à 18, caractérisé en ce que ledit système de transfert (7) est un système pneumatique et en ce que le transfert dudit tissu (T) entre lesdites aires d'accumulation (3A, 3B ; 3C, 3D ; 3E, 3F) d'une même section (2 ; 2A, 2B, 2C) a lieu en commandant la vitesse du fluide sous pression dans ledit système de transfert (7).
  20. Procédé selon une ou plusieurs des revendications 15 à 19, caractérisé en ce qu'il comprend une étape consistant à synchroniser ladite étape d'avance (d) avec un chargement dudit tissu (T) à l'entrée de la machine et avec le temps de traitement requis dans chacune desdites sections (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy).
  21. Procédé selon une ou plusieurs des revendications 15 à 20, caractérisé en ce que la vitesse d'avance dudit tissu (T) est réduite d'une première section à la section suivante (2 ; 2A, 2B, 2C ; 2Ax, 2Bx, 2Cx ; 2Ay, 2By, 2Cy) si ledit temps d'inversion dans ladite première section diminue.
EP06821770A 2005-11-11 2006-11-08 Machine pour le traitement continu d un tissu sous forme de corde et procede associe Active EP1945846B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000228A ITFI20050228A1 (it) 2005-11-11 2005-11-11 Macchina per il trattamento in continuo di un tessuto in corda e relativo metodo
PCT/IT2006/000781 WO2007054994A1 (fr) 2005-11-11 2006-11-08 Machine pour le traitement continu d’un tissu sous forme de corde et procede associe

Publications (2)

Publication Number Publication Date
EP1945846A1 EP1945846A1 (fr) 2008-07-23
EP1945846B1 true EP1945846B1 (fr) 2010-01-06

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EP06821770A Active EP1945846B1 (fr) 2005-11-11 2006-11-08 Machine pour le traitement continu d un tissu sous forme de corde et procede associe

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EP (1) EP1945846B1 (fr)
CN (1) CN101305121B (fr)
AT (1) ATE454491T1 (fr)
DE (1) DE602006011638D1 (fr)
ES (1) ES2337088T3 (fr)
IT (1) ITFI20050228A1 (fr)
WO (1) WO2007054994A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20070197A1 (it) 2007-09-04 2009-03-05 Coramtex Srl "macchina e metodo per il trattamento in continuo di tessuti in corda"
ITFI20080100A1 (it) 2008-05-19 2009-11-20 Coramtex Srl "macchina per la lavorazione di tessuti in largo e relativo metodo"
WO2014047307A1 (fr) * 2012-09-21 2014-03-27 Eagle Ottawa, Llc Procédé et système de ramollissement pour produits en rouleau
CN106087305B (zh) * 2016-08-05 2018-10-23 江阴市永欣印染机械有限公司 绳状水洗联合机
CN106120225B (zh) * 2016-08-30 2018-04-13 嘉兴市华严花边织造有限公司 织带拆线机
CN113950548B (zh) * 2019-06-11 2024-08-13 比安卡拉尼有限公司 用于织物的连续平幅洗涤机器和方法
CN113039321A (zh) * 2019-06-11 2021-06-25 比安卡拉尼有限公司 用于织物的连续平幅洗涤机器和方法
IT201900009264A1 (it) * 2019-06-17 2020-12-17 Biancalani Srl Dispositivo perfezionato per il trascinamento fluidico di un tessuto in un tumbler di trattamento

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US1854526A (en) * 1929-04-22 1932-04-19 Butterworth H W & Sons Co Method and means for treating textile fabrics
DE3333596A1 (de) * 1983-09-16 1985-04-18 Brückner-Apparatebau GmbH, 6120 Erbach Vorrichtung zur nassbehandlung einer kontinuierlich bewegten textilen warenbahn
FR2619834B1 (fr) * 1987-08-24 1990-06-22 Bene Armand Machine pour le traitement de tissu en boyau
IT1251331B (it) * 1991-09-19 1995-05-08 Caber Macchina per il trattamento di tessuti in corda, in particolare la tintura
CN1134993A (zh) * 1995-05-04 1996-11-06 上海印染机械厂 织物绳状洗涤方法
CN1069360C (zh) * 1995-08-11 2001-08-08 邓金麟 染色机
US5893933A (en) * 1996-05-23 1999-04-13 Solipat Ag Device and method for the continuous fulling of a material web of textile woven fabrics and knitted fabrics
ES2172364B1 (es) * 1999-05-20 2003-10-16 Jaume Anglada Vinas Sa Aparato para el tratamiento de tejidos
IT1314963B1 (it) * 2000-06-21 2003-01-21 Biancalani F & C Off Mec Macchina per il trattamento in continuo di un tessuto
ITFI20010124A1 (it) * 2001-07-06 2003-01-06 Biancalani S P A Macchina per asciugare e trattare tessuti in continuo con cesto ruotante ed inclinazione variabile
ITFI20010125A1 (it) * 2001-07-06 2003-01-06 Biancalani S P A Macchina per asciugare e trattare tessuti in continuo con cesto ruotante e condotti di trasferimento del tessuto
ITFI20010168A1 (it) * 2001-09-12 2003-03-12 Coramtex Srl Macchina e metodo per il trattamento in continuo di un tessuto

Also Published As

Publication number Publication date
DE602006011638D1 (de) 2010-02-25
CN101305121B (zh) 2011-11-16
WO2007054994A1 (fr) 2007-05-18
ATE454491T1 (de) 2010-01-15
ES2337088T3 (es) 2010-04-20
EP1945846A1 (fr) 2008-07-23
CN101305121A (zh) 2008-11-12
ITFI20050228A1 (it) 2007-05-12

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