EP2550381A2 - Procédé et dispositif pour le filage par fusion et le refroidissement d'une pluralité de fils synthétiques - Google Patents

Procédé et dispositif pour le filage par fusion et le refroidissement d'une pluralité de fils synthétiques

Info

Publication number
EP2550381A2
EP2550381A2 EP11708876A EP11708876A EP2550381A2 EP 2550381 A2 EP2550381 A2 EP 2550381A2 EP 11708876 A EP11708876 A EP 11708876A EP 11708876 A EP11708876 A EP 11708876A EP 2550381 A2 EP2550381 A2 EP 2550381A2
Authority
EP
European Patent Office
Prior art keywords
cooling
cooling air
air flow
spinning
spinning stations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11708876A
Other languages
German (de)
English (en)
Inventor
Klaus Schäfer
Ulrich Enders
Markus Reichwein
Roland Nitschke
Martin Fischer
Detlev Schulz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2550381A2 publication Critical patent/EP2550381A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/06—Feeding liquid to the spinning head
    • D01D1/09—Control of pressure, temperature or feeding rate
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D13/00—Complete machines for producing artificial threads
    • D01D13/02—Elements of machines in combination
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/02—Spinnerettes
    • D01D4/025—Melt-blowing or solution-blowing dies

Definitions

  • the invention relates to a method for melt spinning and cooling a multiplicity of synthetic threads according to the preamble of claim 1 and to an apparatus for carrying out the method according to the preamble of claim 10.
  • a generic method and a generic device are known, for example, from WO 2005 / 052224 AI known.
  • the threads are extruded in groups through a plurality of spinning stations arranged side by side in a spinning station and cooled.
  • the yarns produced by a spinning station are wound together to form coils by a winding device associated with the spinning station.
  • 8 to 32 threads can be produced simultaneously within a spinning station.
  • the spinning stations are operated side by side and are placed together in a machine hall.
  • each of the spinning stations is supplied with a separate cooling air flow, which is supplied to a respective cooling device for cooling the threads.
  • the spinning stations supplied cooling air streams are fed by a common cooling air flow source.
  • the cooling air flow source is for this purpose connected to a main line which extends along the spinning stations, so that the cooling stations associated with the spinning stations are connected by respective supply lines to the main line.
  • each of the spinning stations can be fed with a cooling air fed from a main stream. feed stream.
  • the cooling flow can be supplied as a transverse air flow or as a radially directed air flow of the group of threads.
  • cooling devices In order to achieve high process speeds in the production of synthetic threads, cooling devices have been created in which the lowest possible relative speeds occur between the cooling air flow and the thread. Such cooling devices thus typically require higher flow rates that can be provided by increasing the power of the cooling power sources. However, it has now been found that the increased flow rates in the spinning stations are not suitable for all operating conditions. Thus, in particular the piecing and application of the threads at higher flow rates of the cooling flow is very problematic. It is an object of the invention to provide a method and apparatus of the generic type for extruding and cooling a plurality of threads, in which all spinning stations in common can be operated with relatively high flow rates of fed by a cooling power source cooling air streams.
  • a further object of the invention is to provide a method and an apparatus for melt spinning and cooling a plurality of synthetic threads, in which the coextruded spinning rod tions can be supplied with a different cooling air requirement by a common cooling air flow source.
  • the invention is characterized in that in the spinning station directly adjusted to the current operating situation adjustment of the flow rate of the supplied cooling air flow is possible without a main current generated by the cooling power source must be changed must.
  • changed operating situations usually occur only at a few spinning stations within an overall system at the same time, so that the actual production process in the spinning stations thereof remains substantially unaffected.
  • the method variant has proven particularly useful in which the flow rates of the cooling air streams of adjacent spinning stations are independently adjustable. In this way, individual settings or else different designs of the cooling devices in the spinning stations can be carried out.
  • the cooling air flow is set to an operating amount that provides the increased flow rates for cooling the threads.
  • the flow rate of the cooling streams is set to a rest amount which, for example, maintains a minimum cooling air flow.
  • the rest amount of the cooling air flow is higher than the operating amount of the cooling air flow to improve certain Anlegevortician so that the cooling air flow can be used for the pneumatic promotion of loose thread ends.
  • the adjustment of the flow rates of the cooling air streams is preferably carried out by throttle valves, which are integrated in the supply lines of the spinning station. In each case only a throttling of a maximum provided by the cooling air flow source cooling flow is possible.
  • a further variant of the method is the possibility to obtain a higher flow rate of the cooling air flow relative to the cooling air flow source.
  • the adjustment of the flow rate of the cooling air flow in the spinning station is performed by an auxiliary blower.
  • the throttle valve is operated via an electric Stellaktor which is integrated in a control circuit of a control device.
  • the variant has proven in which a thread overgrowth device is also involved in the control circuit of the control device, so that the signals generated at a yarn breakage can be used directly to to perform an adjustment of the cooling air flow to the changed operating situation.
  • a blower motor can be included in the control algorithm of the spinning station without further notice.
  • the flexibility and the adjustment range for changing the cooling air flows can thereby be extended and improved by adjusting a main flow cooling air flow generated by the cooling power source for feeding the cooling air flows by changing its flow rate.
  • the main supply of the cooling air can be adjusted at a higher level, for example, at a constant pressure level in order to obtain predetermined flow rates of the cooling air streams for cooling the threads at the spinning stations.
  • the method according to the invention can be used particularly advantageously in cases in which the cooling air flow is introduced into a pressure chamber at least at one of the spinning stations and in which the cooling air flow is distributed through the pressure chamber to a plurality of gas-permeable cooling cylinders enclosing the threads for cooling the threads.
  • the cooling air flow in the spinning station is divided over a plurality of threads into individual partial flows, so that larger pressure losses have to be overcome.
  • the cooling of the threads in the cooling cylinder downstream cooling tubes also has the particular advantage that thus higher spinning speeds, in particular for the production of so-called POY threads are possible.
  • the device according to the invention has at least one of the supply lines of the spinning stations an adjusting means for adjusting the flow rate of the cooling stream. This allows individual adjustments of the cooling air in the spinning station. Run current that can be selected according to the respective operating state of the spinning station.
  • the spinning stations are designed identically within an entire spinning plant for producing the synthetic threads, so that the threads produced in the spinning stations are cooled with identical cooling devices.
  • the development of the device according to the invention is preferably used, in which a plurality of adjusting means are provided which are distributed to the supply lines of the individual spinning stations and which are independently adjustable.
  • the adjusting means is designed such that between several see switching positions can be selected to make the adjustment of the flow rate of the cooling air streams.
  • a flow rate required for cooling the threads as well as a flow rate of the cooling air flow desired for piecing the threads at the start of the process.
  • the adjusting means can be formed in a simple embodiment by a throttle valve, which is arranged in the supply line and which can be operated either manually by an operator or by a Stellaktor.
  • the adjusting means can also be advantageously formed by an auxiliary blower, which is driven by a blower motor and leads in the supply line to a gain of the cooling air flow.
  • Such adjusting means are particularly advantageous when only a few spinning stations require a relation to the cooling air flow source increased quantity requirements of cooling air.
  • the adjustment of the cooling flow can be automated.
  • the threads are usually severed and sucked to a waste station.
  • a reduceddeluftstorm already set by the fact that after the signal processing, the control device controls the Stellaktor or the blower motor via the respective associated control units to guide the actuating means in a changed switching position.
  • a main flow can be regulated by the further development of the device according to the invention, in which the main line connected to the cooling power source is connected to a bypass line and a bypass valve, in which the main line a pressure sensor is associated, and wherein the pressure sensor and the bypass valve are coupled together via a system control.
  • a predefined limit range of a gas pressure within the main line can be maintained by the system control.
  • cooling power source is formed by a main blower
  • a fan drive and a pressure sensor arranged in the main line are jointly coupled to one another via a fan control.
  • the amount of cooling air generated by the main blower can be regulated within a certain limit range.
  • the measures provided for in the spinning stations cooling means for cooling the threads are preferably formed by a pressure chamber to which the supply line is connected and which has a gas-permeable cooling cylinder per spinneret. This allows each extruded through the spinneret thread, usually by a Variety of individual filaments is formed, cool it down.
  • the cooling air flow within the pressure chamber is thus divided into a plurality of partial flows, so that each partial flow is directed to a thread.
  • a cooling tube is assigned to each of the cooling cylinders at an underside of the pressure chamber.
  • Fig. 1 shows schematically a first embodiment of the device according to the invention for carrying out the method according to the invention
  • Fig. 2 shows schematically an actuating means of the embodiment of FIG. 1 in different switching positions for adjusting a cooling air flow
  • Fig. 5 shows schematically several embodiments of the device according to the invention for carrying out the method according to the invention
  • Fig. 6 shows schematically a spinning station of one of the embodiments of the device according to the invention
  • Fig. 1 is a schematic view of a first embodiment of the device according to the invention for carrying out the method according to the invention is shown.
  • the exemplary embodiment for the sake of brevity, only two spinning stations are shown for producing two thread groups of five threads each.
  • a plurality of such spinning stations are arranged side by side to produce a plurality of synthetic threads.
  • the number of threads per spinning station is exemplary.
  • the spinning stations 1.1 and 1.2 are arranged next to one another.
  • the spinning stations 1.1 and 1.2 are identical.
  • each of the spinning stations 1.1 and 1.2 each have a spinning beam 2 and a cooling device 6 arranged below the spinning beam 2.
  • the spinning beam 2 carries on its upper side a spinning pump 3, which is connected via a melt inlet 4 with a melt source, not shown here.
  • the spinning pump 3 is designed as a multiple pump and is driven by the drive shaft 5.
  • the spinning pump 3 is connected to a plurality of spinnerets, which are held on the underside of the spinneret 2 (not shown here), via a distributor system arranged within the heated spinneret.
  • the arranged below the spinning beam 2 cooling device 6 is formed in this embodiment by a pressure chamber 8 and a plurality of connected to the underside of the pressure chamber 8 cooling tubes 7.
  • a respective cooling tube 7 is associated with a spinneret, not shown here, in order to cool each of the filament bundle of a thread.
  • one yarn 27 is guided through a cooling tube 7 arranged below the yarn guide tube 34 per cooling tube 7.
  • a supply line 9.1 and 9.2 is assigned to the spinning stations 1.1 and 1.2.
  • the supply lines 9.1 and 9.2 each open into the pressure chamber 8 of the cooling device 6 the respective spinning station 1.1 and 1.2.
  • With the opposite end of the supply lines 9.1 and 9.2 are connected to a main line 10.
  • the main duct 10 is connected to a cooling airflow source 11, through which a main flow of cooling air is generated within the main duct 10.
  • Each of the supply lines 9.1 and 9.2 is assigned an adjusting means 12.1 and 12.2, respectively, in order to be able to set a flow of cooling air supplied by the supply line 9.1 and 9.2 respectively into spinning stations 1.1 and 1.2 in its flow rate.
  • the adjusting means 12.1 and 12.2 is identical in each case formed by a throttle valve 13.
  • the throttle valve 13 can be adjusted via a handwheel 14.
  • the main line 10 connected to the cooling air flow source 11 extends over the spinning stations, not shown here. In that regard, at least one supply line is connected to the main line 10 per spinning station. In the region of the cooling air flow source 11, the main line 10 has a bypass line 15 with a bypass valve 16.
  • the bypass line 15 opens into the environment, so that a bypass flow of the cooling air can be discharged directly from the main line 10 through the bypass valve 16.
  • the bypass valve 16 is formed in this embodiment by a manually maneuverable Drosselklappte to adjust as needed a side stream to regulate the main flow in the main line 10 can.
  • a plurality of threads are extruded from a supplied polymer melt in parallel in the spinning stations 1.1 and 1.2, and then cooled. After cooling of the threads they are withdrawn via a godet system, stretched ver and then wound into coils.
  • each spinning station 1.1 and 1.2 are each a godet system and a Winding associated with, which are not shown here.
  • a group of threads can be continuously produced from a polymer melt.
  • a predefined flow rate of the cooling air streams supplied through the supply lines 9.1 and 9.2 is required to cool the threads in the spinning station 1.1 or 1.2.
  • the adjusting means 12.1 and 12.2 are each set in a first switching position for adjusting the required flow rates.
  • the threads At the beginning of a process or after a thread break, it is necessary for the threads to be placed in the godet system and rewinder.
  • These Anlegvortician are performed at reduced production speeds, so that a production speed adjusted cooling air flow in the cooling device obstructs and disturbs the application process.
  • piecing at the beginning of the process places particular demands on being able to guide the freshly extruded threads individually through the cooling tubes. In that regard, adjustments of the cooling air flow of the cooling device are required, which result in a changed flow rate.
  • the cooling air flow in the supply line 9.1 can be adjusted by the actuating means 12.1 to an operating quantity or an amount of rest.
  • the amount of operation of the cooling air flow is used to cool the threads and the rest amount, which is preferably smaller than the operating amount of the cooling air flow, is set during process interruptions or process starts.
  • the new creation of the threads can be optimized so that short interruption times can be realized.
  • Fig. 2 various switching positions of the actuating means 12.1 in the supply line 9.1 are shown by way of example. The switching positions are achieved by different positions of the throttle valve 13 within the supply line 9.1.
  • the throttle valve 13 is shown in a maximum open state, so that the supplied flow rate of the cooling air flow can pass through the throttle valve 13 unabated.
  • Fig. 2.2 a modified switching position of the throttle valve 13 is shown, wherein within the supply line, a reduced opening cross-section through the throttle valve 13 is released. Thereby, a reduced flow rate is set to the cooling air flow.
  • This position could be used, for example, to set a rest amount of the cooling air flow to the spinning station.
  • a closed position of the throttle valve 13 is shown, so that the cooling air flow is interrupted in the supply line 9.1 and thus the spinning station 1.1 no cooling air flow is supplied.
  • This position can preferably be set during maintenance work on the spinning station.
  • a sensor for example, an angle encoder.
  • the cooling air streams can thus be adjusted individually at the spinning stations 1.1 and 1.2, without the main flow generated in the main line 10 by the cooling air flow source 11 being changed.
  • the settings of the cooling air flows are performed manually by individual operators. In principle, however, it is also possible to automatically execute such settings and to integrate them in the control concept of the machine.
  • the exemplary embodiment illustrated in FIG. 1 could thus be developed by additional actuators and control devices, as shown in the exemplary embodiment according to FIG.
  • FIG. 3 The exemplary embodiment illustrated in FIG. 3 is identical in construction to the exemplary embodiment according to FIG. 1, so that in addition to the abovementioned Spelling and only the differences are explained here.
  • adjusting means 12.1 and 12.2 each associated with a Stellaktor 17, which is coupled to a control unit 18.
  • the control devices 18 of the actuating means 12.1 and 12.2 are connected to a central control device 19.
  • Each of the spinning stations 1.1 and 1.2 has an operating panel 20.1 and 20.2, which are linked to the control device 19. Control commands can be entered via the operating panels 20.1 and 20.2 via an operator, for example to initiate piecing or maintenance.
  • the cooling device 6 is designed to be height adjustable and can be solved on not shown here adjustments to the spinning beam.
  • the supply lines 9.1 and 9.2 are preferably made flexible.
  • each of the adjusting means 12.1 and 12.2 can be on the control panel 20.1 or 20.2 respectively enter the desired switching position, so that via the control device 19, the corresponding control unit 18 and the Stellaktor 17 are controlled to adjust the actuating means 12.1 or 12.2.
  • a valve actuator 21 and a valve control 22 are associated with the bypass valve 16, which are coupled to the control device 19.
  • the main line 10 is associated with a pressure sensor 28 which is connected to the control device 19.
  • a pressure signal supplied by the pressure sensor 28 can be constantly monitored and execute corresponding valve controls on the bypass valve 16 as a function of an actual setpoint comparison.
  • This can be a uniform supply of all connected spinning stations 1.1 and 1.2 reach.
  • FIG. 4 In order to be able to incorporate the events within a spinning station into the control concept until the threads have been wound up, a further exemplary embodiment is shown in FIG. 4, which in construction is essentially identical to the exemplary embodiment according to FIG. In that regard, reference is made to the above descriptions at this point and only the essential differences explained.
  • the godet systems 25.1 and 25.2 associated with the spinning stations 1.1 and 1.2 as well as take-up devices 26.1 and 26.2 are shown schematically.
  • the godet systems 25.1 and 25.2 are usually arranged directly below the cooling device 6 of the spinning stations 1.1 and 1.2 in order to remove the group of threads from the cooling device 6.
  • a thread monitoring unit 24.1 is arranged between the godet system 25.1 and the winding device 26.1 to, for example, to disassemble a yarn breakage.
  • the thread monitoring unit 24.1 is connected to a position control unit 23.1, which is assigned to the spinning station 1.1 and is coupled to the control panel 20.1.
  • the position control unit 23.1 is also connected to the control unit 18 of the Stellaktors 17 to control the actuating means 12.1 in the supply line 9.1.
  • the spinning station 1.2 is likewise assigned a position control unit 23.2, which is connected to a control panel 20.2, the thread monitoring unit 24.2 and the control means 12.2.
  • the setting of the cooling air streams in the spinning stations can be automated to such an extent that a changed setting of the flow rate of the cooling air stream at the relevant adjusting means 12.1 or 12.2 is set directly when a thread break is detected.
  • After elimination of the process malfunction and after the reconnection gene could then be set via the control panel 20.1 or 20.2 respectively a provision of the actuating means 12.1 or 12.2 on the position control unit 23.1 or 23.2.
  • the cooling air flow source 11 is formed as a main blower 29 in the embodiment of FIG. 4 and is driven by a blower drive 30.
  • a higher-level control of the main flow can be effected in this case by associating the blower drive 30 with a blower control 31 which is connected to a pressure sensor 28.
  • the pressure sensor 28 is arranged in the main line 10 and monitors an overpressure generated in the main line by feeding the cooling air. This makes it possible to generate as constant a current as possible in the main line regardless of the conditions in the spinning stations 1.1 and 1.2.
  • FIG. 5 a further exemplary embodiment is shown in FIG.
  • the first three spinning stations are shown, the spinning stations 1.1 and 1.2 being identical to the aforementioned embodiments.
  • the spinning station 1.3 has a cooling device 6, in which no cooling tubes are used to cool the threads.
  • the spinning stations 1.1 and 1.2 are identical to the spinning stations 1.1 and 1.2 of the embodiment of FIG.
  • auxiliary blower 32 which is operated via a blower motor 33, which is controlled by the control unit 18.
  • the control unit 18 is connected to the position control unit 23.1 or 23.2, which is coupled to the control panels 20.1 or 20.2 and the thread monitoring unit 24.1 or 24.2.
  • the spinning station 1.3 is connected via a supply line 9.3 with the main line 10, which has no adjusting means.
  • the spinning station 1.3 supplied cooling air flow is determined solely by the adjustment of the main flow in the main line and the cross-sectional relationships between the supply line 9.3 and the main line 10.
  • This flow volume of the cooling air flow generated by the cooling airflow source 11 is received in the spinning stations 1.1 and 1.2 as a basic supply.
  • the sleeve blower 32 is used.
  • auxiliary blowers could also be used in the exemplary embodiments according to FIGS.
  • FIG. 6 an embodiment of a spinning station is shown, as they would be advantageously used for example in the embodiments of FIGS. 1 to 5.
  • the embodiment of a spinning station has a spinning beam 2, which has a plurality of spinnerets 39, which are connected via a distribution line system 40 with a spinning pump 3.
  • the spinning beam 2 is designed to be heated in order to heat the melt-carrying components.
  • a pressure chamber 8 is arranged, which is held by a lifting device 41 and is designed to be adjustable in height relative to the spinning beam 2.
  • the pressure chamber 8 has in this embodiment, an upper chamber 36 and a lower chamber 37, which are separated by a gas-permeable partition wall 42.
  • a supply line 9.1 is connected to the lower chamber 37 of the pressure chamber 8, so that a cooling air flow flowing into the lower chamber 37 is distributed to the upper chamber 36.
  • cooling cylinder 35 are arranged, which have a gas-permeable wall.
  • the cooling cylinders 35 each enclose the filament bundle produced by the spinnerets, which is usually merged into a thread.
  • the cooling air flow which has reached the upper chamber 36 is thus divided by way of the cooling cylinders 35 and fed in partial flows to the extruded filament bundles.
  • a pipe socket 38 and a cooling tube 7 is provided in each case to carry out the cooling of the filaments.
  • the pipe socket 38 penetrate the lower chamber 37, on whose underside the cooling tubes 7 are held.
  • the cooling tubes 7 have in their thread profile a cross-sectional constriction, so that the introduced via the cooling cylinder 35 partial streams receive additional acceleration to achieve the highest possible spinning speeds.
  • the control of the lifting device 41 for example in order to separate the cooling device 6 from the spinning beam 2 during a maintenance cycle, can advantageously also be combined with a central control device 19 or a control unit 23.1 or 23.2, so that the adjustment of the flow rate of the cooling air flow in dependence on the control of the lifting device 41 is executable.
  • the embodiment of a spinning station shown in Fig. 6 is only an example.
  • the spinning stations formed in the device according to the invention and the spinning stations operated by the method according to the invention can also have cooling devices without cooling tubes.
  • cooling devices can also be operated in an advantageous manner, which conduct the cooling air flow transversely to a group of threads by means of a blowing wall.
  • Such cooling devices can also be used particularly advantageously in which the individual threads are cooled by blown candles. It is essential that a change preferably a reduction of the flow rates of the cooling air flow is adjustable within the spinning station at yarn break or when creating the threads without having to intervene in the overall supply system of the cooling air flow source.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour le filage par fusion et le refroidissement d'une pluralité de fils synthétiques qui sont extrudés et refroidis de façon groupée dans plusieurs stations de filage fonctionnant les unes à côté des autres. A cet effet, un flux d'air de refroidissement, servant à refroidir les fils concernés, est acheminé à chacune des stations de filage, les flux d'air de refroidissement étant alimentés par une source commune de flux d'air de refroidissement. L'objectif de l'invention est de permettre une modification des flux d'air de refroidissement, en particulier en cas de défaillances. Cet objectif est atteint, selon l'invention, par le fait qu'un débit d'au moins un des flux d'air de refroidissement des stations de filage concernées est modifié indépendamment de la source d'air de refroidissement. A cet effet, une conduite d'alimentation associée à la station de filage présente une moyen de réglage servant à régler le débit du flux d'air de refroidissement.
EP11708876A 2010-03-24 2011-03-18 Procédé et dispositif pour le filage par fusion et le refroidissement d'une pluralité de fils synthétiques Withdrawn EP2550381A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010012461 2010-03-24
PCT/EP2011/054095 WO2011117146A2 (fr) 2010-03-24 2011-03-18 Procédé et dispositif pour le filage par fusion et le refroidissement d'une pluralité de fils synthétiques

Publications (1)

Publication Number Publication Date
EP2550381A2 true EP2550381A2 (fr) 2013-01-30

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EP11708876A Withdrawn EP2550381A2 (fr) 2010-03-24 2011-03-18 Procédé et dispositif pour le filage par fusion et le refroidissement d'une pluralité de fils synthétiques

Country Status (3)

Country Link
EP (1) EP2550381A2 (fr)
CN (1) CN102869819B (fr)
WO (1) WO2011117146A2 (fr)

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CN104220652B (zh) * 2012-04-13 2017-03-22 欧瑞康纺织有限及两合公司 用于制造人造丝线的设备
EP3081676A1 (fr) * 2015-04-16 2016-10-19 NV Michel van de Wiele Machine de production de fils synthétiques
CN107532335B (zh) * 2015-04-25 2021-02-02 欧瑞康纺织有限及两合公司 用于复丝线的熔融纺丝和冷却的方法和设备
DE102021003310A1 (de) * 2021-06-26 2022-12-29 Oerlikon Textile Gmbh & Co. Kg Schmelzspinnvorrichtung

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WO2005052224A1 (fr) * 2003-11-27 2005-06-09 Saurer Gmbh & Co. Kg Metier a filer
WO2007059914A1 (fr) * 2005-11-24 2007-05-31 Oerlikon Textile Gmbh & Co. Kg Procede et dispositif pour filer a chaud et refroidir un brin multifilaire avec mesure de la temperature de l'air de refroidissement a l'interieur du faisceau de filaments

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WO2011117146A2 (fr) 2011-09-29
CN102869819A (zh) 2013-01-09

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