WO2022167427A1 - Verfahren zum schmelzspinnen, verstrecken und relaxieren von synthetischen fäden sowie vorrichtung zur durchführung des verfahrens - Google Patents
Verfahren zum schmelzspinnen, verstrecken und relaxieren von synthetischen fäden sowie vorrichtung zur durchführung des verfahrens Download PDFInfo
- Publication number
- WO2022167427A1 WO2022167427A1 PCT/EP2022/052366 EP2022052366W WO2022167427A1 WO 2022167427 A1 WO2022167427 A1 WO 2022167427A1 EP 2022052366 W EP2022052366 W EP 2022052366W WO 2022167427 A1 WO2022167427 A1 WO 2022167427A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- godet
- threads
- godets
- melt
- spinning
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000002074 melt spinning Methods 0.000 title claims abstract description 25
- 230000002040 relaxant effect Effects 0.000 title claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims description 23
- 238000002360 preparation method Methods 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000003746 surface roughness Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 21
- 239000012530 fluid Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 238000004804 winding Methods 0.000 description 9
- 238000009987 spinning Methods 0.000 description 7
- 238000009736 wetting Methods 0.000 description 6
- 239000000080 wetting agent Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
-
- 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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- 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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
-
- 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
- D02J1/224—Selection or control of the temperature during stretching
-
- 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
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
- D02J13/005—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one rotating roll
Definitions
- the invention relates to a method for melt-spinning, drawing and relaxing synthetic threads and a device for carrying out the method for melt-spinning, drawing and relaxing synthetic threads according to the preamble of claim 10.
- the properties required for the use of the filaments are essentially produced by drawing off, stretching and relaxing the multifilament filaments after melt-spinning.
- godet devices with several godets are used, each of which has a driven godet casing.
- Some of the godet jackets are heated to predetermined surface temperatures by heating means in order to thermally influence the thread material of the threads.
- the arrangement of the godets with heated and unheated godet jackets is therefore of great importance in order to generate the desired physical properties depending on the respective thread type.
- the physical properties of the threads produced by a godet arrangement can also be influenced by pretreating the multifilament threads, for example by wetting.
- the thread material can be heated directly in contact with the surfaces of the godet sleeves. Therefore, a shorter contact length between the filaments and the godet sleeves of the godets is needed to reach a predefined stretching temperature.
- correspondingly adapted godet devices are used in the known method and the known device, which differ essentially in the number of godets with heated godet jackets and thus require considerable conversion work.
- the invention is characterized in that a fixed arrangement of godets with driven and partially heated godet jackets can be used in order to be able to carry out different processes for the production of synthetic threads.
- a fixed arrangement of godets with driven and partially heated godet jackets can be used in order to be able to carry out different processes for the production of synthetic threads.
- the development of the invention in which the peripheral speed and the surface temperature of only one of the godet casings is changed during a process change in such a way that the threads are stretched in the inlet of the godet casing or in the outlet of the godet casing, is particularly advantageous for minimizing the control effort.
- the contact length of the threads to achieve a stretching temperature can be varied with simple means. If the threads are dry, they can already be stretched in the infeed of the godet casing. In contrast, when the threads are stretched in the course of the godet casing, this is used for thermal treatment and for reaching the stretching temperature in the threads, so that advantageously wetted threads with longer contact lengths are guided to the godet casings until they are drawn.
- the development of the invention is provided in which the godet casing of the godet can be optionally rotated with the peripheral speed in the range from 1,800 to 2,200 m/min. or with the peripheral speed in the range of 4,800 to 5,200 m/min. is driven.
- the higher set peripheral speed thus enables stretching in the inlet of the godet casing.
- the lower peripheral speed setting allows the threads to be stretched as they run off the godet sleeve.
- the process variant is particularly advantageous in which the godet jacket of the godet is optionally heated to the surface temperature in the range from 60 to 110 °C or to the surface temperature in the range from 130 to 160 °C is heated. In this way, the higher surface temperatures on the godet jacket can be used to cause the threads to relax.
- the surface quality in particular the roughness of the surface of the godet sleeve, is decisive.
- the godet jacket of the middle godet is exchanged when the process is changed and is thus designed to be exchangeable.
- the variant of the process is particularly advantageous in which the oiled state of the threads is reduced by preparing the threads before drawing with an emulsion with >90% proportion of oil is achieved.
- the water content within half of the emulsion when wetting the threads is reduced to a minimum. A so-called boiling of the water to heat the threads is not necessary.
- the variant of the process is particularly advantageous in which the threads, after stretching and relaxation, are optionally treated with an emulsion containing 15 to 50% oil or an emulsion containing 0.5 to 2% oil. This allows an overall adapted wetting to be produced on the threads at the end of the process.
- the preparation device of the device according to the invention has several switchable stations, so that the threads in at least one of the stations can be wetted with an emulsion containing 15 to 50% oil or an emulsion containing 0.5 to 2% oil .
- the variant of the method is preferably carried out in which the threads are swirled with compressed air in the range from 0.05 to 0.4 bar before stretching.
- compressed air in the range from 0.05 to 0.4 bar before stretching.
- an essentially uniform interlacing can be produced without the formation of so-called interlacing knots in the multifilament threads.
- the filaments can be held together both in the dry state and in the cooled state.
- the device according to the invention has a swirling device between the melt spinning device and the godet device, through which the threads can be swirled by means of compressed air.
- the development of the device according to the invention is particularly advantageous in which the godet jacket is kept thermally insulated from neighboring godet jackets. So leave
- the method according to the invention and the device according to the invention for melt-spinning, drawing and relaxing synthetic filaments substantially increase the flexibility and the product range in order to be able to produce synthetic filaments, in particular for textile applications.
- FIG. 1 shows a schematic of a first exemplary embodiment of the device according to the invention for carrying out the method according to the invention for melt-spinning, drawing and relaxing synthetic filaments
- FIG. 2 schematically shows the exemplary embodiment from FIG. 1 after a process change
- Fig. 3 shows schematically a cross-sectional view of one of the godets with a heated godet jacket 1 shows an embodiment of the device according to the invention for carrying out the method according to the invention for melt-spinning, drawing and relaxing synthetic threads in a view.
- a melt-spinning device 1 is provided with a heated, elongated spinning beam 1.1, which carries a plurality of spinnerets 1.3, each with a large number of nozzle openings, on its underside.
- a melt feed 1.2 is shown on the upper side of the spinning beam 1.1, which is usually connected to the spinning nozzles 1.3 via a multiple spinning pump and a melt distributor system within the spinning beam 1.1.
- the melt feed 1.2 is coupled to a melt source, not shown here, for example an extruder.
- the Spinning Beam The Spinning Beam
- a cooling device 3 is provided below the melt-spinning device 1, which has a cooling shaft 3.1 and a blowing wall 3.2.
- the cooling shaft 3 is arranged below the spinneret 1.3 in such a way that the large number of filament strands extruded through the spinneret 1.3 pass through the cooling shaft 3.1.
- blowing chamber 3.3 which is connected to a source of cooling air.
- a flow of cooling air is introduced through the blowing wall 3.2 into the cooling shaft 3.1, so that the filament strands extruded through the spinneret 1.3 are uniformly cooled by the flow of cooling air.
- the cooling device 3 shown here is an example.
- the cooling shaft 3.1 can also be formed by a plurality of cooling cylinders, through which the filament strands of the spinnerets 1.3 are guided.
- the cooling cylinders have an air-permeable wall and are arranged within a blowing chamber, so that a radially directed flow of cooling air hits the filament strands from the outside to the inside.
- the cooling device 3 shown in Fig. 1 is usually called Querstromanblasung called. Accordingly, this could also be replaced by a so-called radial blowing.
- the collecting thread guide 4 is arranged centrally below the spinneret 1.3 and forms the so-called convergence point in order to bring the filament strands together to form a thread 2.
- the adjacent collection thread guide 4 of the adjacent spinneret 1.3 lie in a plane that extends transversely to the plane of the drawing.
- the preparation device 5 has a first preparation station 5.1 below the cooling shaft 3.1 and a second preparation station 5.2 below a godet device 6.
- the preparation station 5.1 has a wetting agent 5.4, which can be moved back and forth between an operating position and a rest position via an adjusting means 5.6.
- the wetting agent 5.4 is connected to a fluid container 5.5.
- the fluid container is filled with an emulsion containing more than 90% oil. In that regard, the water content of the emulsion is ⁇ 10%.
- the second preparation station 5.2 below the godet device 6 has a wetting agent 5.4 that is kept in constant contact with the threads 2.
- the wetting agent 5.4 is connected to a dosing pump 5.3.
- the dosing pump 5.3 can be optionally connected to one of the fluid containers 5.5 and 5.5' via an adjusting means.
- the fluid container 5.5 contains an emulsion with an oil content in the range of 15 to 50%.
- the fluid container 5.5' contains a very watery emulsion which has a very low oil content of only 0.5 to 2%.
- the dosing pump 5.3 can be optionally connected to one of the fluid containers 5.5 or 5.5' by means of the actuating means 5.6.
- the godet device with several godets 6.1 to 6.8 is arranged to form a predefined yarn path.
- the godets 6.1 to 6.8 are arranged on a godet carrier 8 in such a way that the respectively driven godet casings 7.1 to 7.8 protrude on a front side of the godet carrier 8.
- the drives of the godets 6.1 to 6.8, which are not shown, are arranged on a rear side of the godet carrier 8.
- a first godet 6.1 has an inlet device 11.
- the inlet device 11 usually contains a combed thread guide to guide the threads at a predetermined thread distance.
- a cutting device and suction device are integrated in order to discharge the threads coming from the melt spinning device 1 in a collected manner in the event of a thread breakage.
- the godet device 6 In order to stretch and relax the threads 2, the godet device 6 has a total of five godets, each with a heated godet jacket.
- the godets 6.2 to 6.6 are each designed with a heated godet jacket 7.2 to 7.6.
- the remaining godets 6.1 and 6.7 and 6.8 are designed to be significantly smaller in diameter and are designed with an unheated godet jacket 7.1 and 7.7 and 7.8.
- the godets 6.1 to 6.8 are in a fixed arrangement and form a defined thread path for the threads 2.
- the circumferential speeds of the godet jackets 7.1 to 7.8 can be individually controlled by the associated drives depending on the process.
- the heating means provided in the godets 6.2 to 6.6 for heating the godet jackets 7.2 to 7.6 can be controlled individually in order to obtain predefined surface temperatures for the thermal treatment of the threads 2.
- the heated godet jackets 7.2 to 7.6 of the godets 6.2 to 6.6 are arranged partially separated from one another by an insulating wall 9 in order to prevent mutual influencing of the surface temperatures due to the small distances between the godet jackets 7.2 to 7.6.
- the godet jacket 7.4 of the middle godet 6.4 is opposite the adjacent godet jackets 7.2 and 7.3 and 7.5 and 7.6 thermally insulated.
- the godet device 6 comprises a total of five godets, each with a heated godet jacket, in order to stretch and relax the threads 2 .
- a stretching zone can be formed between the godet casings 7.3 and 7.4 or between the godet casings 7.4 and 7.5.
- a pre-intermingling device 10 is arranged between the preparation station 5.1 and the godet device 6 for the pre-treatment of the threads 2.
- the pre-swirling device 10 usually has a separate thread treatment channel for each of the threads, through which the threads are guided separately.
- Each of the treatment channels is assigned a compressed air channel, through which compressed air is introduced to swirl the multifilament threads 2 in the treatment channel.
- Such pre-turbulence devices 10 are generally known, so that a further description of this device is dispensed with.
- post-interlacing device 12 In the lower area of the godet device 6 there is a post-interlacing device 12 in order to stabilize the cohesion of the threads on the threads 2 by so-called interlacing knots before the threads are wound up.
- Such post-interlacing devices 12 are based on the same principle as the pre-interlacing device 10, but are operated with higher compressed air pressures to generate the interlacing knots.
- a spooling machine 13 is arranged to wind the threads 2 into spools 14 .
- the winding machine 13 has two projecting winding spindles 13.1, which are held on a rotating winding turret 13.3.
- the winding spindles 13.1 can thus be guided alternately in an operating area for winding the bobbins 14 and in a changing area for replacing the fully wound bobbins 14.
- the traversing device 13.5 is per Wi- ckelstelle each provided a deflection roller 13.2 to separate the threads 2, which are guided on the godet jackets 7.1 to 7.8 as a sheet of threads.
- the threads 2 are guided out of a substantially horizontal distribution plane to the winding points of the winding machine 13 after the last godet casing 7.8 of the godet device 6 has run off.
- the first preparation station 5.1 below the cooling device 3 offers the option of either wetting the threads or pulling them off in a dry state.
- the operating state of the device according to the invention shown in FIG. 1 shows the setting for producing a fully drawn thread (FDY) in a dry pre-treatment state.
- FDY fully drawn thread
- a polymer melt for example made of a polyester or a polyamide, is fed to the spinning beam 1.1.
- the spinnerets 1.3 the polymer melt is forced under pressure through the nozzle bores formed on the underside of the spinnerets 1.3 in order to extrude a large number of filaments.
- the cooling device 3 cools the filaments to a temperature below the glass transition temperature of the thermoplastic material by means of a cooling air stream, so that the filaments are solidified and pre-oriented. After cooling, the filament strands are each brought together to form a thread 2 .
- the wetting agent 5.4 is in a rest position, so that the threads 2 are drawn off without being wetted and are therefore in a dry state.
- the threads 2 are intermingled by the pre-intermingling device 10 with compressed air.
- the compressed air is supplied with a slight overpressure in the range of 0.05 to 0.4 bar.
- the threads 2 are brought together by the inlet device 11 to a thread spacing in the range of 2 mm to 4 mm, in order to be guided together as a group of threads on the godet jackets 7.1 to 7.8 of the godets 6..1 to 6.8.
- the first galette 6.1 with a cold galette jacket 7.1 is used to draw off the threads 2 from the melt spinning device 1.
- the threads on the galette jackets 7.2 and 7.3 are first preheated.
- a differential speed required for stretching the threads is set between the godet jackets 7.3 and 7.4. In this respect, the threads are stretched in the inlet of the godet jacket 7.4 of the middle godets 6.4.
- the godet casing 7.4 of the middle godet 6.4 is rotated at a peripheral speed in the range from 4,000 to 5,200 m/min. driven.
- the godet jacket 7.4 of the middle godet 6.4 is heated to a surface temperature in the range from 120° C. to 160° C. in order to initiate relaxation and thus a reduction in tension in the threads 2.
- no or very low differential speed is set between the godet jackets 7.4 to 7.6 of the godets 6.4 to 6.8 in order to generate low thread tensions to reduce tensions on the threads 2.
- the surface temperatures of the subsequent godet jackets 7.5 and 7.6 are therefore also in the range from 120°C to 160°C.
- the threads 2 After the threads 2 have been stretched and relaxed, they are wetted with an emulsion of water and oil in the second preparation station 5.2.
- the dosing pump 5.3 of the second preparation station 5.2 is connected to the fluid container 5.5 via the actuating means 5.6.
- An emulsion is stored within the fluid container 5.5, which has an oil content of at least 15% to a maximum of 50%.
- the threads 2 After the threads 2 have been wetted, they are swirled in the after-swirling device 12 and then wound into coils in the winding machine 13 .
- FIG. 2 shows the exemplary embodiment from FIG. 1 in a modified operating situation.
- the preparation station 5.1 is shown in an operating position.
- the wetting agent 5.4 is moved from the rest position to the operating position by the adjusting means 5.6 in order to wet the threads 2 with an emulsion after they have cooled.
- the dosing pump 5.3 delivers the relevant emulsion from the fluid container 5.5 in a predetermined amount in order to wet the threads 2.
- the emulsion essentially consists of an oil, in particular a neat oil. The proportion of oil in the emulsion is >90%. Therefore, the condition of the threads is indicated as oiled in the description.
- the peripheral speed of the godet casing 7.4 and the surface temperature of the godet casing 7.4 are changed at the middle godet 6.4 in such a way that the threads are stretched in the thread path between the godet casing 7.4 and the godet casing 7.5 .
- the preheating of the threads 2 for stretching is now additionally perceived by the godet jacket 7.4 of the middle godet 6.4.
- the surface temperature of the godet casing 7.4 is set to a value in the range from 60° C. to 110° C., so that the contact length for preheating the thread is extended by the wrap-around area in the godet casing 7.4.
- the threads 2 are wetted again after the relaxation of the second preparation station 5.2. In this case, however, the wetting takes place with an emulsion that is predominantly formed from water.
- the dosing pump 5.3 is thus connected to the fluid container 5.5' by the actuating means 5.6.
- the fluid container 5.5' contains an emulsion with a low oil content which can be in the range from 0.5 to 2%.
- the threads 2 are wound into coils 14 by the dishwasher 13 .
- the production range for the production of fully drawn threads is considerably expanded by the method according to the invention and the device according to the invention for carrying out the method according to the invention for melt-spinning, drawing and relaxing synthetic filaments.
- FDY fully drawn threads
- the device according to the invention for carrying out the method according to the invention for melt-spinning, drawing and relaxing synthetic filaments.
- no complex conversions are required.
- Simply by controlling the actuators of the preparation device 5 and the drive of the middle godet 6.4 and its heating control, a high degree of flexibility for carrying out different processes is possible.
- a possible jacket replacement on the middle godet 6.4 can further expand the variety of processes.
- FIG. 3 the structure of the middle godet 6.4 is shown schematically in a cross-sectional view.
- the godet 6.4 is held on the godet carrier 8 via a flange housing 21 .
- the godet jacket 7.4 of the godet 6.4 is guided in a cantilevered manner on a front side of the carrier 8 .
- the godet casing 7.4 is designed as a hollow cylinder and is coupled to a drive shaft 20 on the inside.
- the drive shaft 20 is connected to the drive 15.
- the godet casing 7.4 is placed over a heating means 16.
- the heating means 16 which can be formed by an induction coil, for example, is held on a heating support 17 and is electrically connected to an external heating control device 18.
- a desired surface temperature on the godet jacket 7.4 can be set in each case via the heating control device 17.
- the sensors provided for controlling and monitoring the surface temperature are not shown in this embodiment.
- a drive control unit 19 is assigned to the drive 15, by means of which the peripheral speed of the godet casing 7.4 can be controlled.
- the godet casing 7.4 is detachably connected to the drive shaft 20.
- the godet jacket 7.4 can thus be exchanged from the front of the carrier 8 in a simple manner.
- the godet casing 7.4 could be exchanged beforehand in order to improve the stretching of the threads in the outlet of the godet casing 7.4 of the godet 6.4.
- the heated godets 6.2, 6.3 and 6.5 to 6.6 have an essentially identical structure to the exemplary embodiment illustrated in FIG.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2023547150A JP2024505293A (ja) | 2021-02-03 | 2022-02-01 | 合成糸を溶融紡糸し、延伸し、緩和する方法、およびその方法を実施するための装置 |
CN202280012784.2A CN116829772A (zh) | 2021-02-03 | 2022-02-01 | 用于合成丝线的熔纺、牵伸和松弛的方法及执行该方法的设备 |
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DE102021000550.3A DE102021000550A1 (de) | 2021-02-03 | 2021-02-03 | Verfahren zum Schmelzspinnen, Verstrecken und Relaxieren von synthetischen Fäden sowie Vorrichtung zur Durchführung des Verfahrens |
DE102021000550.3 | 2021-02-03 |
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WO2022167427A1 true WO2022167427A1 (de) | 2022-08-11 |
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PCT/EP2022/052366 WO2022167427A1 (de) | 2021-02-03 | 2022-02-01 | Verfahren zum schmelzspinnen, verstrecken und relaxieren von synthetischen fäden sowie vorrichtung zur durchführung des verfahrens |
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JP (1) | JP2024505293A (de) |
CN (1) | CN116829772A (de) |
DE (1) | DE102021000550A1 (de) |
WO (1) | WO2022167427A1 (de) |
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DE102023000036A1 (de) * | 2023-01-10 | 2024-07-11 | Oerlikon Textile Gmbh & Co. Kg | Verfahren zur Herstellung eines vollverstreckten Fadens |
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DE19540905A1 (de) * | 1994-11-10 | 1996-05-15 | Barmag Barmer Maschf | Galetteneinheit zum Heizen und Fördern von Fäden |
WO2012013367A1 (de) * | 2010-07-28 | 2012-02-02 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum schmelzspinnen, verstrecken und aufwickeln mehrerer multifiler fäden |
WO2013020866A1 (de) | 2011-08-08 | 2013-02-14 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum schmelzspinnen, abziehen, verstrecken, relaxieren und aufwickeln eines synthetischen fadens |
DE102019000524A1 (de) * | 2019-01-24 | 2020-07-30 | Oerlikon Textile Gmbh & Co. Kg | Galette zum Führen und Fördern eines Fadens |
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CN106488999B (zh) | 2014-07-08 | 2019-01-01 | 欧瑞康纺织有限及两合公司 | 用于生产合成全牵伸丝的方法和设备 |
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US5159166A (en) * | 1988-06-30 | 1992-10-27 | Rieter Machine Works, Ltd. | Drawroll unit |
DE19540905A1 (de) * | 1994-11-10 | 1996-05-15 | Barmag Barmer Maschf | Galetteneinheit zum Heizen und Fördern von Fäden |
WO2012013367A1 (de) * | 2010-07-28 | 2012-02-02 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum schmelzspinnen, verstrecken und aufwickeln mehrerer multifiler fäden |
WO2013020866A1 (de) | 2011-08-08 | 2013-02-14 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum schmelzspinnen, abziehen, verstrecken, relaxieren und aufwickeln eines synthetischen fadens |
DE102019000524A1 (de) * | 2019-01-24 | 2020-07-30 | Oerlikon Textile Gmbh & Co. Kg | Galette zum Führen und Fördern eines Fadens |
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