EP1844186B1 - Procede et dispositif pour produire un fil composite frise - Google Patents

Procede et dispositif pour produire un fil composite frise Download PDF

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Publication number
EP1844186B1
EP1844186B1 EP05750158A EP05750158A EP1844186B1 EP 1844186 B1 EP1844186 B1 EP 1844186B1 EP 05750158 A EP05750158 A EP 05750158A EP 05750158 A EP05750158 A EP 05750158A EP 1844186 B1 EP1844186 B1 EP 1844186B1
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EP
European Patent Office
Prior art keywords
tangling
whirl
individual threads
unit
crimping
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EP05750158A
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German (de)
English (en)
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EP1844186A1 (fr
Inventor
Mathias STÜNDL
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Oerlikon Textile GmbH and Co KG
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Oerlikon Textile GmbH and Co KG
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch

Definitions

  • the invention relates to a method for producing a crimped composite thread according to the preamble of claim 1 and to an apparatus for carrying out the method according to the preamble of claim 12.
  • a plurality of synthetic monofilaments are first extruded, cooled, and drawn, respectively, as a plurality of rope-shaped filaments.
  • the individual threads in this case have different properties, preferably different colors, so that the coloring of the composite thread is determined by mixing the individual threads. Depending on the application for the composite thread, this results in different requirements in the color image of the composite thread.
  • There is a desire to produce a mixing of the individual threads which leads neither to a dominant emergence of the monofilament, nor to a complete mixing of the individual threads in the composite thread.
  • the dominant emergence of a color component in the composite thread can - if this is too long - lead to so-called "flames" as elongated portions of the same color are named.
  • flames are desirable in most cases.
  • the multifilament monofilaments are guided by a common crimping to form a composite thread.
  • the monofilaments are guided together with the aid of a delivery nozzle in a stuffer box.
  • the filaments of the monofilaments lay to loops and bows and form a common thread plug.
  • a crimping of the filaments and, on the other hand a mixing of the filaments of the monofilaments is produced.
  • each of the monofilaments is vortexed separately before the common crimping, so that the entanglement of the filaments within the monofilament form a Clfaden gleich.
  • the mixing of the monofilaments in the composite yarn could be improved in terms of color separation.
  • there is a desire for color design in the composite thread such that both composite threads can be produced in a mixed color with strong mixing of the individual threads or with strong thread separation without intensive mixing of the individual threads.
  • Another object of the invention is to provide a reproducible adjustability for the color image of the composite thread.
  • the invention is based on the finding that the swirling of multifilament threads can be used with very different effects.
  • the swirling of a multifilament yarn can be used to create a blending or knotting of the filaments of the yarn.
  • the intensity of the thread conclusion which is essentially also directed to the respective treatment step on the thread, determined.
  • the invention begins, which provides for multiple turbulences of at least one of the multifilament yarns.
  • the treatment steps carried out, in particular, until the individual threads have been crimped can be carried out with individually adjusted turbulences to form a thread closure.
  • at least one of the multifilament monofilaments is vortexed several times before crimping in several preliminary stages.
  • a further advantage of the invention is given by the fact that the common texturing of the monofilaments can be maintained to the composite thread. Just the multiple turbulence of the individual threads allows a flexible design of the coloring in the composite thread. Thus, to set a high color separation, each of the individual threads can be swirled in several preliminary stages. In order to obtain mixing phenomena in the composite thread, preferably only one of the multifilament monofilaments is swirled into a plurality of precursors.
  • the method variant in which each of the multifilament monofilaments is vortexed separately in a first precursor before being drawn, is characterized from that the individual threads in the drawing device with high smoothness and small distance from each other by the drawing device can be guided.
  • the swirling of the individual threads introduced in the first preliminary stage can be exclusively geared to obtaining an optimum thread closure for the stretching of the individual threads.
  • the method variant is preferably used, in which at least one of the individual threads or all individual threads are separately entangled in a second preliminary stage after stretching.
  • the thread closure produced by the turbulence on the individual threads can be turned off solely on the subsequent common crimping of the individual threads.
  • the adjustability and the bandwidth of the coloring of the composite thread can also be improved by swirling the individual threads in at least one of the preliminary stages, each with different compressed air control values of a compressed air supply.
  • different Verwirbelungsgrade can be adjusted at the parallel guided individual threads.
  • the color-determining single thread can be swirled with relatively high compressed air control values.
  • the height of the compressed air control values is proportional to the braiding node produced in the thread.
  • a pulsation of the pressure to turbulence can be carried out in order to vary the color mixture. This makes it possible to produce special yarn effects for the production of fancy yarns.
  • the process variant has proven particularly useful in which the multifilament monofilaments are swirled by a heated compressed air. Alternatively, however, it is also possible to heat the monofilament before swirling. In this case, it was possible to determine influences on the generated entanglement of the filaments in the monofilaments as well as effects on crimping of the composite thread.
  • the process variant is particularly advantageous in which the monofilaments before curling with multiple wrapping led to a godet unit and in a thread piece of wraps before expiration of the Galettenhim be swirled.
  • the composite thread after the crimping of the individual threads and before winding wound into a coil, wherein the color produced by the vortex swirling in the precursors and by the crimping of the individual threads of the composite thread substantially preserved.
  • the inventive method is particularly suitable for the production of a composite thread, which is formed from a plurality of preferably different partial threads.
  • the invention is not limited to partial threads of different Texture, since in particular an individual pretreatment of the monofilaments can also be used advantageously in composite threads, which are formed of identical partial threads.
  • structural features of the monofilaments are in the foreground, which can be generated by the different Vorverwirbelung carried out in two stages.
  • the inventive method is also suitable, after a separate turbulence in a first stage to swirl all the individual threads together in the second precursor. Due to the multi-stage turbulence before texturing, the invention offers a very high degree of flexibility in the pretreatment of the monofilaments before texturing. Thus, it is also possible that the monofilaments in the first precursor are mixed together and in the second precursor are vortexed separately.
  • inventive method is not limited to that the individual threads are crimped together.
  • each of the individual threads is textured separately before merging the individual threads.
  • a further variant of the method can also be carried out in such a way that, after a common or separate texturing and merging of the individual threads into the composite thread, the composite thread is separated again into partial threads after cooling, which are subsequently swirled together before being wound up into the final composite thread.
  • Such a variant of the method can be used with differently dyed individual threads in order to obtain additional color settings.
  • the device according to the invention has a swirling device formed from a plurality of swirling units, wherein the swirling units are arranged one behind the other in the yarn path of the monofilaments.
  • a first swirling unit of the stretching unit is advantageously arranged upstream, wherein the first swirling unit has a swirling nozzle for each of the individual threads.
  • a second turbulence unit with a plurality of fluidizing nozzles is advantageously arranged between the drawing device and the curling device.
  • the swirling nozzles are each assigned a controllable compressed air supply.
  • the compressed air supply both simultaneously supply a plurality of swirling nozzles or can be used for the separate supply of a swirling nozzle.
  • the device according to the invention can be expanded in such a way that at least one of the turbulence units is assigned a heating means by which compressed air can be heated.
  • the turbulence unit could be preceded by a heating device, by means of which the individual filaments can be heated.
  • the device according to the invention is preferably used, in which the stretching device has a godet unit upstream of the curling device, on which the monofilaments are guided with multiple wrapping, and in which the swirling nozzles of the second turbulence unit of the godet unit are assigned such that the individual threads are vortexed before expiry of the godet unit.
  • the second Verwirbelsaku in a Umschlingungsast between two Godets can be set in the arrangement of the Verwirbelungsdüsen in the last wrap a lowering of the thread tension in the swirl that the individual threads at expiration of the godet unit to a step jump of the godet with reduced Diameter to be guided.
  • any Umschlingungsast between the godet duo is suitable for the arrangement of the Verwirbelungsdüse in order to carry out a swirling in the second stage.
  • the godet unit can be formed according to an advantageous development of the device at least by two driven godets, wherein at least one of the godets is formed heatable.
  • Tangel founded on the composite thread For the final production of a thread closure in the composite thread a Tangel founded on the composite thread.
  • the device variant in which the crimping device has a stuffer box and a delivery nozzle assigned to the delivery nozzle has proved particularly useful.
  • the individual threads are conveyed together by means of the delivery nozzle in the stuffer box and popped up to a yarn plug.
  • a first embodiment of a device according to the invention for carrying out the method according to the invention is shown schematically.
  • the device has a spinning device 1, which is connected to one or more melt generators (not shown here).
  • the spinning device has a heated spinning beam 2, which carries a plurality of spinnerets 3.1 to 3.3 next to each other.
  • the spinnerets 3.1 to 3.3 each have on their undersides a plurality of nozzle bores through which the spinnerets 3.1 to 3.3 each supplied polymer melt streams are extruded under pressure to a plurality of individual filaments.
  • a cooling device 4 is provided, through which the extruded filaments are guided, so that the emerging at approximately melt temperature individual filaments are cooled.
  • the cooling device 4 could be formed, for example, by an injection, through which a cooling air is blown substantially transversely onto the filaments. After the filaments have cooled, the respective filament strands 13.1, 13.2 and 13.3 assigned to one of the spinnerets 3.1, 3.2 and 3.3 are combined to form a single filament 6.1, 6.2 and 6.3 at the outlet of the cooling device 4.
  • a preparation device 7 and the yarn guides 5.1, 5.2 and 5.3 associated with the individual threads 6.1, 6.2 and 6.3 are provided at the outlet of the cooling device 4.
  • a stretching device 10 which contains at least one withdrawal godet unit 18 (shown in dashed lines).
  • the individual threads 6.1, 6.2 and 6.3 are guided in parallel run through the stretching device 10.
  • the individual threads can be pulled off together by a deduction godet unit or, alternatively, each by individual delivery, which are assigned to the individual threads.
  • the individual threads 6.1, 6.2 and 6.3 are brought together in a crimping device 11 and joined together to form a composite thread 21.
  • the crimping device 11 is formed in this Ausyogbrungsbeispiel by a delivery nozzle 15 and a cooperating with the delivery nozzle 15 stuffer box 16.
  • the delivery nozzle 15 is connected to a pressure source (not shown) through which a delivery medium of the delivery nozzle 15 is supplied. Due to the pumped medium, the monofilaments 6.1, 6.2 and 6.3 are drawn into the delivery nozzle 15 and then popped up in the stuffer box 16 to form a thread stopper. In this case, partial mixing of the individual threads 6.1 to 6.3 occurs.
  • the yarn plug 22, preferably produced by a hot conveying medium, is subsequently guided to a cooling drum 17 and cooled.
  • a first swirling unit 8.1 and a second swirling unit 8.2 between the stretching device 10 and the cooling device 11 are arranged between the dissection device 7 and the stretching device 10.
  • the first turbulator 8.1 has several Vortex nozzles 9.1, 9.2 and 9.3, which are each assigned to the individual threads 6.1, 6.2 and 6.3.
  • Each of the swirl nozzles 9.1, 9.2 and 9.3 contains a thread channel through which the monofilament is guided.
  • a pressure channel opens laterally in the thread channel in order to introduce a fluid, preferably with high energy, into the thread channel.
  • the pressure channels are connected via a compressed air supply 12.1 and a pressure actuating means 14.1 with a pressure source. To set a compressed air control value, the pressure actuating means 14.1 is coupled to a control device 24.
  • Verwirbelungsdüsen 9.1, 9.2 or 9.3 The structure of the Verwirbelungsdüsen 9.1, 9.2 or 9.3 is basically known and, for example in the DE 10 2004 007073 A1 described.
  • the second turbulence unit 8.2 upstream of the crimping device 11 likewise has a plurality of turbulence nozzles, which are identified by the reference numerals 9.4 to 9.6.
  • the structure of the Verwirblungsdüsen 9.4 to 9.6 of the second Verwirbelungsaku 8.2 is substantially identical to the structure of the Verwirbelungsdüsen 9.1 to 9.3 of the first Verwirbelungsaku 8.1.
  • the swirl nozzles 9.4 to 9.6 are connected via the compressed air supply 12.2 and the pressure actuating means 14.2 with a pressure source, not shown here.
  • the pressure adjusting means 14.2 is coupled with the control device 24 for setting and changing a compressed air control value.
  • the swirling units 8.1 and 8.2 can thus be operated independently of each other for swirling the individual threads 6.1 to 6.3.
  • the crimping device 11 For post-treatment of the crimped composite thread 21 formed by the individual threads 6.1 to 6.3, the crimping device 11 is followed by a tangling device 19. Within the tangle device 19, the composite thread 21 receives a last thread-finishing treatment required for further processing.
  • the composite yarn 21 is taken up by the take-up device 20 and wound into a coil 23.
  • the take-up device 20 simultaneously serves as a take-off member to remove the crimped composite yarn 21 from the yarn plug 22.
  • the composite yarn 21 can also be deducted by a Abzugsgalette from the yarn plug 22 and lead by another of the Tangel worn 19 downstream godet unit to the take-up device 20.
  • the configuration of the devices in the aftertreatment zone does not affect the method according to the invention, so that any desired processing units and treatment stages can be executed on the composite thread 21 until it has been wound up into a coil 23.
  • Fig. 1 illustrated embodiment of the device according to the invention are spun by the spinnerets 3.1, 3.2 and 3.3 three parallel side by side guided filament bundles 13.1, 13.2 and 13.3, each with a plurality of filament strands.
  • the filament bundles 13.1, 13.2 and 13.3 in this case have different properties, preferably a different coloring of the base polymer.
  • the filament bundles contain different base polymers or in each case different additive admixtures.
  • each of the filament bundles 13.1, 13.2 and 13.3 is merged into a single thread 6.1, 6.2 and 6.3.
  • the filament bundles 13.1, 13.2 and 13.3 are each supplied with a preparation medium by the preparation device 7 and connected by the thread guides 5.1, 5.2 and 5.3 to the respective monofilaments.
  • a first turbulence is performed by the turbulence unit 8.1 in a first preliminary stage immediately after preparation.
  • each of the individual threads 6.1 to 6.3 is guided through a swirl nozzle 9.1 to 9.3.
  • the swirling unit 8.1 has a pressure set value of the supplied compressed air, which leads to an interlacing which leads to the filament forming filaments.
  • a homogenization of the preparation application is achieved on the one hand, and on the other hand, a minimum thread closure required for the subsequent godet guide in the stretching device 10 is established.
  • care must be taken that no excessive knotting of the filaments of the individual threads occurs.
  • the individual threads 6.1 to 6.3 are each guided and swirled separately through the swirling nozzles 9.4 to 9.6.
  • the entanglement of the filaments introduced in the individual threads 6.1 to 6.3 is selected so that a certain mixing occurs during the crimping of the individual threads 6.1 to 6.3 to form the composite thread 2.1
  • the coloring of the composite thread 21 in FIG wide limits are influenced.
  • a composite thread 21 with strong color separation can be produced in that during the swirling in the second swirling unit 8.2 a relatively high pressure control value of the supplied compressed air is inserted. This produces an intensive intertwining of the filaments of the monofilament, which can be little solved even during the subsequent crimping treatment. Conversely, by setting a low pressure set value in the swirling unit 8.2, it is possible for the composite thread 21 to have a more or less strong mixed color.
  • the individual threads 6.1 to 6.3 are co-crimped together and combined to form the composite thread 21.
  • the monofilaments 6.1 to 6.3 are conveyed through the delivery nozzle 15 with a delivery fluid into an adjacent stuffer box 16.
  • the filaments of the individual threads 6.1 to 6.3 wrap themselves in loops and sheets to form a thread stopper 22, which is dissolved after thermal treatment to form the crimped composite thread 21.
  • the composite thread 21 is dangled prior to winding to a coil 23 in the Tangel liked 19.
  • FIG. 2 a further embodiment of a device according to the invention for carrying out the method according to the invention is shown
  • the embodiment is substantially identical to the previous embodiment, so that reference is made to the preceding description and at this point only the differences will be explained.
  • the components with identical functions have been given identical reference numerals.
  • the stretching device 10 can be formed by two godet units 18 and 27.
  • each godet unit is formed by two driven godets or a driven godet with overflow roller, wherein the monofilaments 6.1, 6.2 and 6.3 are guided in parallel over the godets.
  • the godet unit 18 and 27 are driven at a differential speed, so that a stretching of the threads 6.1 to 6.3 occurs.
  • a second swirling unit 8.2 is arranged between the stretching device 10 and the crimping device 11.
  • the swirling unit 8.2 has a plurality of swirling nozzles 9.4 to 9.6.
  • a Verwirbelungsdüse is assigned to each of the individual threads.
  • the swirl nozzles 9.4 to 9.6 are independently controllable.
  • each Verwirbelungsdüse 9.4 to 9.6 a compressed air supply 12.3, 12.4 and 12.5, each with a Pressure adjusting means 14.3, 14.4 and 14.5 assigned
  • the pressure actuating means 14.3 to 14.5 are coupled to the control device 24 in order to be able to set a pressure control value at each of the swirling nozzles 9.4 to 9.6.
  • the pressure actuating means are 14.3 to 14.5 designed such that a complete shut-off of the compressed air supply is adjustable.
  • Fig. 2 illustrated embodiment for carrying out the method according to the invention thus has an even greater flexibility in order to obtain certain effects in a composite thread by merging the differently swirled individual threads 6.1 to 6.3.
  • a multi-colored composite thread can be produced in which the appearance is characterized by a strongly separated single color and by a second mixed color.
  • Such effects can be achieved, for example, by swirling one of the threads in the second precursor in the case of three differently dyed individual threads 6.1 to 6.3 and the other threads receiving no additional turbulence in the second precursor.
  • Fig. 1 and 3 illustrated embodiments of the device according to the invention can be varied by additional means or combinations in order to achieve particular effects especially in the pretreatment for the crimping of the monofilaments.
  • Fig. 3 a modification of the embodiment according to Fig. 1 shown.
  • the stretching device 10 the Verwirbelungsaku 8.2 and the crimping device 11 shown schematically. Since both the devices not shown and the devices shown essentially identical to the embodiment according to Fig. 1 are, reference is made to the above description and explained at this point only the differences.
  • the Verwirbelungsaku 8.2 has to each of the individual threads 6.1, 6.2 and 6.3 each have a swirl nozzle 9.4, 9.5 and 9.6.
  • the swirl nozzles 9.4 to 9.6 are connected via the compressed air supply 12.2 and the pressure actuating means 14.2 with a pressure source.
  • the Drucklunzu Unit 12.2 a heating means 26, by which the swirling nozzles 9.4 to 9.6 supplied fluid is previously heated.
  • the heating means 26 and the pressure actuating means 14.2 are connected to a control device 24.
  • Fig. 4 is a further embodiment of the device according to the invention according to the embodiment according to Fig. 2 shown in a cutaway view.
  • the section shown is the drawing device 10, the Verwirbelungsä 8.2 and the crimping device 11 shown in a view.
  • the stretching device 10 is formed by a first withdrawal godet unit 18 and a second draw godet unit 27.
  • Each de galette units 18 and 27 have two of the individual threads 6.1 to 6.3 multiple looped godets.
  • the godets 28.1 and 28.2 of the draw godet unit 27 are designed to be heated, so that the individual threads 6.1 to 6.3 guided on the circumference of the heated godets 28.1 and 28.2 are heated.
  • the turbulator 8.2 is arranged between the heated godets 28.1 and 28.2.
  • the Verwirbelungsaku 8.2 is identical to the in Fig. 2 illustrated embodiment, so that each of the individual threads is 6.1 to 6.3 associated with a swirl nozzle.
  • the vortex unit 8.2 is arranged here in a Umschlingungsast between the godets 28.1 and 28.2.
  • the turbulence unit 8.2 can be arranged, for example, in the last wrap of the individual threads 6.1 to 6.3.
  • the turbulence can be carried out on a heated monofilament and, on the other hand, the thread tension for texturing the monofilaments in the crimping device 11 can be adjusted independently of the thread tension for swirling the monofilaments in the second precursor.
  • the diameter steps 33 of the godet 28.1 in the last loop of the individual threads is in Fig. 4 shown in dashed lines and downstream of the Verwirbelungsaku 8.2.
  • Another advantage of in Fig. 4 variant shown is that the individual threads receive a defined expiration point of the godets 28.1. The individual threads run with high smoothness of the last godets in the crimping.
  • Fig. 5 a further embodiment of a method and device variant is shown, as for example, alternatively in the embodiment of Fig. 1 and 2 could be used.
  • a first Abzugsgalette 29.1 a Separierfaden founded 30, a Tangel worn 19 and a second Abzugsgalette 29.2 arranged.
  • the cooling drum 17 upstream components can as in the embodiment of Fig. 1 or 2 be formed, so that reference is made to the above description.
  • the composite thread 21 is withdrawn after crimping and cooling on the circumference of the cooling drum 17 through the first Abzugsgalette 29.1.
  • the take-off godet 29.1 is shown here as a driven godet with an associated auxiliary roll.
  • the composite yarn 21 is separated into the individual threads 6.1, 6.2 and 6.3.
  • the individual threads 6.1, 6.2 and 6.3 are guided by a Separierfaden investigating 30 before entering the Tangel dressed 19.
  • the separately incoming individual threads 6.1, 6.2 and 6.3 are again vortexed and combined to form the composite thread 21.
  • the composite yarn 21 is withdrawn through the take-off godet 29.2 and fed to the take-up device 20.
  • the composite yarn 21 is wound to the bobbin 23.
  • a Separierfaden investigating 30 is preferably used, which preferably after the in Fig. 6 illustrated embodiment is formed.
  • the Separierfaden researching 30 has a disc-shaped carrier 32 which is attached to one side of a machine frame.
  • a plurality of guide eyelets 31.1, 31.2 and 31.3 are arranged at intervals.
  • the thread guide eyelets 31.1, 31.2 and 31.3 form the vertices of an equilateral triangle.
  • the guide eyelets 31.1, 31.2 and 31.3 preferably have a ceramic insert. This allows the individual threads 6.1, 6.2 and 6.3 at the in Fig. 5 illustrated embodiment separately introduce into the Tangel listening 19.
  • the described embodiments for carrying out the method according to the invention are exemplary in their arrangement and in their choice of treatment facilities.
  • further pretreatment or post-treatment steps and means may be introduced to, for example, be able to perform additional treatments on the monofilaments before texturing or on the composite strands after texturing or other treatments on the composite strands.
  • the nature and design of the crimping device is exemplary.
  • the individual threads can also be textured in each case with different parameters. With separate crimping, it is also possible to use different crimping methods in order to subsequently combine the crimped individual threads into a composite thread.
  • the number of individual threads shown in the embodiments is also exemplary. Thus, a composite thread of at least two individual threads or several individual threads can be produced.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (23)

  1. Procédé destiné à la fabrication d'un fil composite frisé, dans le cas duquel une pluralité de fils individuels sont, respectivement en tant qu'une multiplicité de filaments en forme d'écheveaux extrudés, refroidis, étirés et frisés communément jusqu'à devenir le fil composite, les fils individuels multifilaires étant tourbillonnés séparément avant d'être frisés, caractérisé en ce qu'au moins un des fils individuels multifilaires est tourbillonné à plusieurs reprises en plusieurs étapes préliminaires avant d'être frisé.
  2. Procédé selon la revendication 1, caractérisé en ce que dans une première étape préliminaire chacun des fils individuels multifilaires est tourbillonné séparément.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que dans une deuxième étape préliminaire après l'étirage, au moins un des fils individuels ou tous les fils individuels sont tourbillonnés séparément.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que les fils individuels sont tourbillonnés au moins dans une des étapes préliminaires avec des variables de réglage d'air comprimé respectivement différentes d'une amenée d'air comprimé.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le tourbillonnement des fils individuels dans les étapes préliminaires est exécuté avec des variables de réglage d'air comprimé respectivement différentes des amenées en air comprimé.
  6. Procédé selon la revendication 5, caractérisé en ce que la variable de réglage d'air comprimé des amenées en air comprimé pour le tourbillonnement des fils individuels est plus basse avant l'étirage que la variable de réglage d'air comprimé des amenées en air comprimé après l'étirage.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'avant le frisage les fils individuels multifilaires sont tourbillonnés dans au moins une des étapes préliminaires par un air comprimé chauffé.
  8. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'avant le frisage les fils individuels multifilaires sont chauffés au moins dans une des étapes préliminaires directement avant le tourbillonnement.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce qu'avant le frisage les fils individuels sont guidés avec enlacement multiple sur une unité de galette et sont tourbillonnés dans un tronçon de fils des enlacements avant de quitter l'unité de galette.
  10. Procédé selon la revendication 9, caractérisé en ce que les fils individuels sont guidés par au moins une galette chauffée de l'unité de galette.
  11. Procédé selon l'une des revendications 1 à 10, caractérisé en ce qu'après le frisage des fils individuels et avant un enroulement en une bobine le fil composite est tourbillonné en une bobine.
  12. Procédé destiné à la mise en oeuvre du procédé selon l'une des revendications 1 à 11 avec un dispositif de filage (1), un dispositif de refroidissement (4) et un dispositif d'étirage (10) pour la fabrication d'une pluralité de fils individuels multifilaires (6.1, 6.2, 6.3) avec un dispositif de frisage (11) pour réunir les fils individuels (6.1, 6.2, 6.3) en un fil composite (21) et avec un dispositif de tourbillonnement (8.1, 8.2) agencé en amont du dispositif de frisage (11) pour tourbillonner séparément les fils individuels (6.1, 6.2, 6.3), caractérisé en ce que le dispositif de tourbillonnement a une pluralité d'unités de tourbillonnement (8.1, 8.2) agencées l'une derrière l'autre dans le trajet de fil (6.1, 6.2, 6.3) pour tourbillonner à plusieurs reprises au moins un des fils individuels (6.1, 6.2, 6.3).
  13. Dispositif selon la revendication 12, caractérisé en ce qu'un premier dispositif de tourbillonnement (8.1) est agencé en amont du dispositif d'étirage (10), la première unité de tourbillonnement (8.1) disposant respectivement d'une buse à tourbillonnement (9.1, 9.2, 9.3) pour chacun des fils individuels (6.1, 6.2, 6.3).
  14. Dispositif selon la revendication 12 ou 13, caractérisé en ce qu'une deuxième unité de tourbillonnement (8.2) est agencée en aval du dispositif d'étirage (10) et en ce que la deuxième unité de tourbillonnement (8.2) a une pluralité de buses à tourbillonnement (9.4, 9.5, 9.6).
  15. Dispositif selon la revendication 13 ou 14, caractérisé en ce qu'une amenée d'air comprimé commandable (12.1) est associée aux buses à tourbillonnement (9.1, 9.2, 9.3) de la première unité de tourbillonnement (8.2).
  16. Dispositif selon l'une des revendications 13 à 15, caractérisé en ce qu'une pluralité d'amenées d'air comprimé commandables séparément (12.1, 12.4, 12.5) sont associées aux buses à tourbillonnement (9.1, 9.2, 9.3) de la deuxième unité de tourbillonnement (8.2).
  17. Dispositif selon l'une des revendications 12 à 16, caractérisé en ce qu'à l'au moins une des unités de tourbillonnement (8.1, 8.2) un moyen de chauffage (26) est associé, au moyen duquel un air comprimé peut être chauffé.
  18. Dispositif selon l'une des revendications 12 à 16, caractérisé en ce qu'un dispositif de chauffage (28.1, 28.2) est agencé en amont de l'au moins une des unités de tourbillonnement (8.1, 8.2), grâce auquel dispositif de chauffage les fils individuels (6.1, 6.2, 6.3) peuvent être chauffés.
  19. Dispositif selon l'une des revendications 12 à 18, caractérisé en ce que le dispositif d'étirage (10) a une unité de galette (27) agencée en amont du dispositif de frisage (11), unité de galette (27) sur laquelle les fils individuels (6.1, 6.2, 6.3) sont guidés avec des enlacements multiples et en ce que les buses à tourbillonnement (9.1, 9.2, 9.3) de la deuxième unité de tourbillonnement (8.2) sont associés de manière telle à l'unité de galette (27) que les fils individuels (6.1, 6.2, 6.3) peuvent être tourbillonnés avant de quitter l'unité de galette (2 7),
  20. Dispositif selon la revendication 19, caractérisé en ce que l'unité de galette (27) est formée par deux galettes entraînées (28.1, 28.2), au moins une des galettes (28.1, 28.2) présentant une étape de diamètre 33 agencée en aval de la buse de tourbillonnement (8.2).
  21. Dispositif selon la revendication 19, caractérisé en ce que l'unité de galettes (27) est formée par deux galettes entraînées (28.1, 28.2), au moins une des galettes (28.1, 28.2) étant configurée de manière à pouvoir être chauffée.
  22. Dispositif selon l'une des revendications 12 à 21, caractérisé en ce qu'un dispositif d'enroulement (20) pour embobiner le fil multifilaire (21) est agencé en aval du dispositif de frisage (11) et en ce que pour tourbillonner le fil composite (21) un dispositif à tourbillonnement (19) est prévu entre le dispositif de frisage (11) et le dispositif d'enroulement (20).
  23. Dispositif selon l'une des revendications 12 à 22, caractérisé en ce que le dispositif de frisage (11) a une buse d'alimentation (15) et un bac à refoulement (16) associé à la buse d'alimentation (15), les fils individuels (6.1, 6.2. 6.3) étant avancés communément dans le bac à refoulement au moyen de la buse d'alimentation (15).
EP05750158A 2005-02-04 2005-06-03 Procede et dispositif pour produire un fil composite frise Active EP1844186B1 (fr)

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EP2885447A1 (fr) * 2012-08-17 2015-06-24 Oerlikon Textile GmbH & Co. KG Procédé de filage par fusion et dispositif de filage par fusion, destinés à produire un fil frisé
JP6258698B2 (ja) * 2013-12-26 2018-01-10 Ｔｍｔマシナリー株式会社 紡糸延伸装置
DE102017100488A1 (de) * 2017-01-12 2018-07-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung und Verfahren zur Erzeugung eines texturierten Filamentes oder Garnes
DE102017100487A1 (de) * 2017-01-12 2018-07-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung und Verfahren zur Erzeugung eines mehrfarbigen Garnes
EP3358052B1 (fr) * 2017-02-01 2020-05-27 Oerlikon Textile GmbH & Co. KG Dispositif permettant l'entrelacement d'une pluralité de filaments individuels d'un fil composite
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DE502005010024D1 (de) 2010-09-09
US9194063B2 (en) 2015-11-24
US20130140729A1 (en) 2013-06-06
RU2405868C2 (ru) 2010-12-10
EP1844186A1 (fr) 2007-10-17
US8398389B2 (en) 2013-03-19
RU2007132972A (ru) 2009-04-10
CN101120127B (zh) 2010-06-16
CN101120127A (zh) 2008-02-06
WO2006081844A1 (fr) 2006-08-10
ATE475732T1 (de) 2010-08-15

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