EP2569467A1 - Procédé et dispositif de filage à chaud et de refroidissement de plusieurs fils synthétiques - Google Patents

Procédé et dispositif de filage à chaud et de refroidissement de plusieurs fils synthétiques

Info

Publication number
EP2569467A1
EP2569467A1 EP11719522A EP11719522A EP2569467A1 EP 2569467 A1 EP2569467 A1 EP 2569467A1 EP 11719522 A EP11719522 A EP 11719522A EP 11719522 A EP11719522 A EP 11719522A EP 2569467 A1 EP2569467 A1 EP 2569467A1
Authority
EP
European Patent Office
Prior art keywords
cold air
spinning
blower
air
cooling
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.)
Granted
Application number
EP11719522A
Other languages
German (de)
English (en)
Other versions
EP2569467B1 (fr
Inventor
Markus Reichwein
Detlev Schulz
Roland Nitschke
Ulrich Enders
Klaus Schäfer
Martin Fischer
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 EP2569467A1 publication Critical patent/EP2569467A1/fr
Application granted granted Critical
Publication of EP2569467B1 publication Critical patent/EP2569467B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • 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

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 9.
  • 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 stations and cooled.
  • the yarns produced by a spinning station are wound together to form coils by a winding device associated with the spinning station.
  • a winding device associated with the spinning station.
  • up to 32 threads can be produced simultaneously within a spinning station 8.
  • 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 cold air, which is used by a cooling device for cooling the threads.
  • the spinning stations supplied cold air is fed by an air conditioner.
  • the air conditioning system 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 supply a cooling air flow fed from a main stream of cold air.
  • the spinning station can supply the cold air as a transverse air stream or as a radially directed air stream 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 refrigerators typically require higher air pressures of the cold air that could be provided by increasing the performance of the air conditioning. However, it has now been found that the increased air pressures of the cold air in the equipment of the air conditioner lead to problems. Thus, the main blowers are often not powerful enough to ensure the required cold air supply. In addition, often the guide shafts of cold air insufficient strength against increased air pressure of the cold air. It is therefore an object of the invention to provide a method and a device of the generic type for extruding and cooling a plurality of threads, in which the cold air supply of the spinning stations for each type of cooling device is suitable. Another 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 spinning stations operated side by side can be supplied by a common air conditioning system with different cooling air requirements.
  • the invention has the particular advantage that in the spinning station a demand-dependent supply of cold air is possible without a provided by the air conditioner main power must be changed.
  • the cold air is generated by an air conditioner.
  • an air pressure of the cold air is increased by an additional blower and supplied to the cold air with the increased air pressure of the respective spinning station by the inventive method.
  • cooling devices with high cold air consumption can be operated with a conventional air conditioning.
  • the device according to the invention has at least one additional fan arranged downstream of the main fan, which fan is arranged in the main line or in one of the supply lines.
  • the method variant is preferably used, in which the air pressure of the cold air for each spinning station is increased independently of each other by a plurality of auxiliary blowers.
  • the inventive device has for this purpose a plurality of auxiliary blower, which are distributed to the supply lines and which are formed independently drivable. It has been found that, depending on the design of the cooling device, the air pressure of the cold air after the increase to an overpressure should be in the range of 700 Pa to 2,000 Pa. Thus, pneumatic cooling systems can be safely supplied with cold air, in which a cooling air flow must be generated per thread.
  • the variant of the method is particularly favorable, in which a flow rate of the cold air at one of the spinning stations is changed individually upon a change in an operating state of the respective spinning station.
  • the method variant is used in particular in the version in which the flow rate of the cold air of the spinning station between a rest amount of cold air and an operating amount of cold air is adjusted.
  • the cold air supply can be adjusted to the amount of cold air, so that required for the production of filaments cooling begins.
  • the adjustment of the flow rate is preferably carried out directly by the additional blower.
  • a throttle valve which is associated with the spinning station and engages directly in the supply line.
  • the throttle valve can be operated both manually by an operator or electrically via a Stellaktor.
  • the basic supply of cold air is preferably carried out according to the process variant, in which the main blower generates an air pressure of the cold air for feeding all spinning stations in the overpressure range of 400 Pa to 700 Pa. This makes it possible to also connect such spinning stations to the main supply within a spinning plant, in which only low flow rates of cold air are required. So also differently trained spinning stations can be connected to an air conditioner.
  • the rest quantities of cold air can be provided directly by the air conditioning system without activation of an additional blower.
  • the device according to the invention has at least one additional fan downstream of the main fan for increasing an air pressure of the cold air which is arranged in the main line or in one of the supply lines.
  • the spinning stations are formed identically within an entire spinning plant for the production of the synthetic threads, so that the threads produced in the spinning stations are cooled, each with identically designed cooling devices.
  • the development of the device according to the invention is preferably used, in which a plurality of additional blowers are provided which are distributed on the supply lines and which are formed independently drivable.
  • the additional blower are preferably independently driven by a plurality of blower motors.
  • the blower motors can be operated individually, so that the setting of the flow rates of the cold air can preferably be carried out directly by the additional blower.
  • further development of the device according to the invention is particularly advantageous in which a plurality of pressure sensors are distributed over the supply lines and in which the pressure sensors and the control devices of the blower motors are integrated into a respective control circuit for controlling the additional fans.
  • the position control unit is coupled to a thread monitoring unit, so that a change in the cold air supply can take place immediately upon a thread break and a process interruption.
  • the flow rate of cold air per spinning station can each be adjusted by a throttle valve, which are distributed on the supply lines and which are designed to be manually or electrically operable.
  • 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 a throttle valve of the embodiment of FIG. 1 in different switching positions for adjusting a flow rate
  • 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 only two spinning stations for the production of two groups of threads of five threads are shown for the sake of clarity.
  • 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 side by side.
  • 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 via a distributor system arranged within the heated spinneret 2. the, which are held on the underside of the spinner 2 (not shown here).
  • 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 per cooling pipe 7 through a yarn guide 34 arranged below the cooling pipe 7.
  • each one 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 of 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 line 10 is connected to an air conditioner 11, through which a main stream of cold air is generated within the main line 10.
  • the air conditioner 11, a main blower 12 which is driven by a blower drive 30.
  • an auxiliary fan 29 is disposed in the main line 10, which is arranged downstream of the main blower 12.
  • the auxiliary fan 29 is driven by a blower motor 33, which is controlled by a control unit 18.
  • the control unit 18 is coupled to a control device 19.
  • Each of the supply lines 9.1 and 9.2 is assigned a respective throttle flap 13.1 and 13.2 in order to be able to adjust the flow rate of the cold air supplied by the supply line 9.1 and 9.2 to the spinning stations 1.1 and 1.2.
  • the throttle valve 13.1 is manually adjustable and has a handwheel 14 for adjusting the throttle.
  • the throttle valve 13.2 exemplified electrically adjustable, wherein the adjustment of the throttle valve 13.2 by a valve actuator 21 and a valve control 22 takes place.
  • the valve control 22 is preferably activated via an operating station or a control device.
  • throttle valves 13.1 and 13.2 are preferably identical in all spinning stations 1.1 and 1.2. It is shown in this embodiment, by way of example only, that the throttle valves could be manually or electrically adjustable.
  • the main line 10 connected to the air conditioning system 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.
  • 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 the threads have cooled, they are drawn off via a godet system (not shown here), stretched and then wound up into coils.
  • a godet system not shown here
  • each spinning station 1.1 and 1.2 each associated with a godet system and a take-up device, which are not shown here.
  • a group of threads can be produced continuously from a polymer melt.
  • a cold air with an air temperature in the range of 15 C to 75 C is provided over the air conditioner 11, which is blown into the main line 10 via the main blower 12.
  • the cold air is conducted with a slight overpressure in the main line, which is preferably in a range between 200 Pa to 700 Pa.
  • a pressure increase in the cold air is generated via the auxiliary fan 29.
  • the air pressure of the cold air in the main line 10 through the auxiliary blower 29 can be increased to an overpressure in the range of 700 Pa to 2,000 Pa.
  • each of the cooling device 6 is provided via the supply lines 9.1 and 9.2 each a cold air with an increased air pressure.
  • a predefined flow rate of the cold air is set via the throttle valves 13.1 and 13.2 arranged via the respective supply lines 9.1 and 9.2 and supplied to the cooling devices 6. Accordingly, the throttle valves are 13.1 and 13.2 set in each case a first switching position for adjusting the required flow rates.
  • the amount of operation of the cold air is used to cool the threads and the rest amount of cold air, which is preferably smaller than the operating amount, is set during process interruption or process starts.
  • the new creation of the threads can be optimized so that short interruption times can be realized.
  • FIG. 2 different switching position of the throttle valve 13.1 in the supply line 9.1 are shown by way of example. The switching positions are achieved by different positions of the throttle valve 13.1 within the supply line 9.1.
  • the throttle valve 13.1 is shown in a maximally open state, so that the supplied flow rate of the cold air can pass undiminished into the throttle valve 13.1.
  • FIG. 2.2 a modified switching position of the throttle valve 13.1 is shown, wherein within the supply line 9.1, a reduced opening cross-section through the throttle valve 13.1 is released. This sets a reduced flow rate of cold air. This position could be used, for example, to set a rest amount of cold air at the spinning station.
  • a closed position of the throttle valve 13.1 is shown, so that the cold air supply is interrupted in the supply line 9.1 and thus the spinning station 1.1 no cold air is supplied.
  • This position can preferably be set during maintenance work on the spinning station.
  • the central supply of cold air in the main line 10 can still be improved by arranging a pressure sensor 28 in the main line 10.
  • the pressure sensor 28 is shown in dashed lines in FIG.
  • the pressure sensor 28 is connected to the control device 19, in which the air pressures signaled by the pressure sensor 28 receive a desired-actual comparison.
  • the auxiliary blower 29 is changed in its performance via the control device 19.
  • the control unit 18 receives corresponding control commands via the control device 19, so that the blower motor 33 drives the auxiliary blower 29 at an increased or reduced speed.
  • the settings of the cold air supply to the spinning stations 1.1 and 1.2 are preferably carried out manually by an operator. In principle, however, it is also possible to automatically execute such settings and to integrate them in the control concept of the machine.
  • FIG. 3 an embodiment is shown in FIG. 3 that is essentially identical in construction to the exemplary embodiment according to FIG. 1, so that reference is made to the aforementioned description and only the differences are explained at this point.
  • the spinning stations 1.1 and 1.2 are constructed identically to the embodiment of FIG. 1 and each have a cooling device 6.
  • the cold air supply of the cooling devices 6 via a central air conditioning system 11, which feeds a cold air via a main blower 12 in the main line 10.
  • the cooling devices 6 of the spinning stations 1.1 and 1.2 are connected in each case via the supply lines 9.1 and 9.2.
  • an auxiliary fan 29.1 and 29.2 is arranged in each of the supply lines 9.1 and 9.2 in each of the supply lines 9.1 and 9.2 arranged.
  • the auxiliary fans 29.1 and 29.2 are driven by separate blower motors 33.1 and 33.2, which are controlled by separate control devices 18.1 and 18.2.
  • the control devices 18.1 and 18.2 are coupled to a central control device 19.
  • Each of the spinning stations 1.1 and 1.2 has an operating station 20.1 and 20.2, which are linked to the control device 19. Via the operating stations 20.1 and 20.2, control commands can be input via an operator in order to be able to set, for example, a specific flow rate of cold air via the additional fans 29.1 and 29.2. Similarly, the operating state of the respective Spinning station dependent settings of the cold air supply via the control station 20.1 and 20.2 specify.
  • the main line 10 is supplemented with a bypass line 15 and a bypass valve 16 in the area of the air conditioner 11.
  • the bypass line 15 opens into the environment, so that a bypass flow of the cold air directly from the main line 10 can be discharged through the bypass valve 16.
  • the bypass valve 16 is controllable via a valve actuator 21 which is activated via a valve control 22.
  • the valve controller 22 is coupled to the control device 19.
  • a pressure sensor 28 is provided, which is connected to the control device 19 and measures the air pressure of the cold air, which is blown through the main blower 12 in the main line 10.
  • a pressure signal supplied by the pressure sensor 28 can be constantly monitored and execute corresponding valve controls to the bypass valve 16 as a function of an actual target comparison. This can be a uniform supply of all connected spinning stations 1.1 and 1.2 reach.
  • bypass valve shown in FIG. 3 can also be combined with a manually controlled throttle valve or a motor-controlled throttle valve, as shown in FIG. 1.
  • 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 description at this point and only the essential concerner explained.
  • godet systems 25.1 and 25.2 and take-up devices 26.1 and 26.2 assigned to the spinning stations 1.1 and 1.2 are shown schematically.
  • the godet systems 25.1 and 25.2 are usually arranged directly below the cooling device 6 of the spinning station 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 to detect, for example, a yarn breakage.
  • the thread monitoring unit 24.1 is connected in a position control unit 23.1, which is assigned to the spinning station 1.1 and is coupled to the operating station 20.1.
  • the position control unit 23.1 is also connected to the control unit 18.1 of the blower motor 33.1 in order to control the auxiliary blower 29.1 in the supply line 9.1.
  • a pressure sensor 28.1 is provided, which is arranged downstream of the auxiliary blower 29.1 in the supply line 9.1.
  • the pressure sensor 28.1 is coupled to the position control unit 23.1.
  • a predetermined air pressure of the cold air can thus be maintained at a predetermined value range directly when the cooling device 6 in the spinning station 1.1 is supplied by an actual setpoint analysis.
  • the spinning station 1.2 is also associated with a position control unit 23.2, which is connected to the operating station 20.2, the thread monitoring unit 24.2, the pressure sensor 28.2 and the control unit 18.2.
  • the additional linkage with a thread monitoring unit can thus automate the setting of the cooling air flows of the cold air in the spinning stations, so that upon detection of a thread break directly changed a setting of the flow rate of cold air can be adjusted to the relevant additional blower 29.1 or 29.2.
  • After removal of the process tion and after the new application could then be set on the operator stations 20.1 or 20.2 in each case a provision for increased cold air supply to the additional blower 29.1 and 29.2 on the job control units 23.1 and 23.2.
  • the air conditioner 11 is also formed in this embodiment of FIG. 4 with a main blower 12 which is driven by a blower drive 30.
  • the blower drive 30 is associated with a main blower control 17, which allows a change in the cold air flow generated by the main blower 12.
  • the main blower control 17 is connected to a central control device, not shown here.
  • FIG. 5 a further exemplary embodiment is shown in FIG.
  • the first three spinning stations are shown, wherein the spinning stations 1.1 and 1.2 are identical to the aforementioned embodiment.
  • 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. 4 is formed.
  • the spinning station 1.3 is connected via a supply line 9.3 with the main line 10.
  • the spinning station 1.3 supplied cold air is determined solely by the setting of the main blower 12 of the air conditioner 11.
  • This cold-air generated by the air-conditioning system Supply is received in the spinning stations 1.1 and 1.2 as a basic supply and amplified by the auxiliary blower 29.1 and 29.2.
  • the air conditioner 11 is expanded with a blower control 31 which acts on the main blower control 17 of the main blower 12.
  • a pressure sensor 28.3 is provided, which continuously detects the air pressure of the cold air generated by the main blower 12. The pressure signals of the pressure sensor 28.3 are fed to the blower control 31, so that the blower drive can be controlled in accordance with the required powers of the main blower.
  • a spinning station In 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 carries a plurality of spinnerets 38, which are connected via a distributor line system 39 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 40 and is designed to be adjustable in height relative to the spinning beam 2.
  • the pressure chamber 8 has an upper chamber 35 and a lower chamber 36, which are separated from one another by a gas-permeable intermediate wall 41.
  • a supply line 9.1 is connected to the lower chamber 36 of the pressure chamber 8, so that a flowing into the lower chamber 36 cold air flow is distributed to the upper chamber 35.
  • cooling cylinders 34 are arranged coaxially with the spinnerets 38 and have a gas-permeable wall.
  • the cooling cylinders 34 respectively enclose the filament bundles produced by the spinnerets, which is usually brought together to form a thread.
  • the cold air stream which has reached the upper chamber 35 is thus divided by way of the cooling cylinders 34 and fed in partial streams to the extruded filament bundles.
  • a pipe stub 37 and a cooling tube 7 is provided in each case to carry out the cooling of the filaments.
  • the pipe stubs 37 penetrate the lower chamber 36, 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 34 partial streams receive additional acceleration in order to achieve the highest possible spinning speeds.
  • high flow rates of the cold air are required, which may be in the range of 40 to 120 m 2 / h.
  • overpressures of cold air in the range of 700 Pa to 2,000 Pa are required.
  • control of the lifting device 40 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 position control unit 23.1 or 23.2, so that the adjustment of the flow rate of the cold air in dependence on the control of the lifting device 40 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.
  • Essential here is that the cold air supply can be adjusted independently of a central air conditioning system individually by an additional blower. This makes it possible to Flow rates of cold air with correspondingly high air pressure of the cold air realize.
  • FIGS. 3 to 5 could also be supplemented for adjusting the flow rates of cold air by additionally using the throttle valves known from the exemplary embodiment according to FIG. 1 in the supply lines.
  • each additional blower could be followed by a throttle, so that a flexible adjustment for adjusting the cold air supply per spinning station is given.

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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 de filage à chaud et de refroidissement de plusieurs fils synthétiques extrudés et refroidis par groupes dans plusieurs stations de filage fonctionnant les unes à côté des autres. Un air froid destiné à refroidir les fils concernés et produit par un système de climatisation commun doté d'une soufflante principale est respectivement amené aux stations de filage. L'objectif de l'invention est de produire en particulier des débits relativement élevés lors du refroidissement des fils. A cet effet, une pression de l'air froid est augmentée par une soufflante supplémentaire et l'air froid dont la pression a été augmentée est amené à au moins une des stations de filage. Pour la mise en œuvre du procédé, le dispositif selon l'invention comprend au moins une soufflante supplémentaire montée en aval de la soufflante principale et disposée dans la conduite principale ou dans une des conduites d'alimentation.
EP11719522.2A 2010-05-11 2011-05-09 Procédé et dispositif de filage à chaud et de refroidissement de plusieurs fils synthétiques Not-in-force EP2569467B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010020187A DE102010020187A1 (de) 2010-05-11 2010-05-11 Verfahren und Vorrichtung zum Schmelzspinnen und Abkühlen einer Vielzahl synthetischer Fäden
PCT/EP2011/057431 WO2011141427A1 (fr) 2010-05-11 2011-05-09 Procédé et dispositif de filage à chaud et de refroidissement de plusieurs fils synthétiques

Publications (2)

Publication Number Publication Date
EP2569467A1 true EP2569467A1 (fr) 2013-03-20
EP2569467B1 EP2569467B1 (fr) 2014-01-15

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EP11719522.2A Not-in-force EP2569467B1 (fr) 2010-05-11 2011-05-09 Procédé et dispositif de filage à chaud et de refroidissement de plusieurs fils synthétiques

Country Status (5)

Country Link
EP (1) EP2569467B1 (fr)
JP (1) JP5968306B2 (fr)
CN (1) CN102859052B (fr)
DE (1) DE102010020187A1 (fr)
WO (1) WO2011141427A1 (fr)

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WO2013153018A1 (fr) * 2012-04-13 2013-10-17 Oerlikon Textile Gmbh & Co. Kg Dispositif pour fabriquer des fils synthétiques
DE102014014728A1 (de) * 2014-10-04 2016-04-07 Oerlikon Textile Gmbh & Co. Kg Schmelzspinnvorrichtung
DE112016001912A5 (de) * 2015-04-25 2018-01-04 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Schmelzspinnen und Abkühlen von multifilen Fäden
DE102021003310A1 (de) 2021-06-26 2022-12-29 Oerlikon Textile Gmbh & Co. Kg Schmelzspinnvorrichtung

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CN102859052A (zh) 2013-01-02
DE102010020187A1 (de) 2011-11-17
EP2569467B1 (fr) 2014-01-15
CN102859052B (zh) 2015-11-25
JP2013528717A (ja) 2013-07-11
WO2011141427A1 (fr) 2011-11-17
JP5968306B2 (ja) 2016-08-10

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