EP3693308A1 - Tube de stockage de fil pour une poste de travail d'une machine textile ainsi que poste de travail d'une machine textile - Google Patents

Tube de stockage de fil pour une poste de travail d'une machine textile ainsi que poste de travail d'une machine textile Download PDF

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Publication number
EP3693308A1
EP3693308A1 EP20151304.1A EP20151304A EP3693308A1 EP 3693308 A1 EP3693308 A1 EP 3693308A1 EP 20151304 A EP20151304 A EP 20151304A EP 3693308 A1 EP3693308 A1 EP 3693308A1
Authority
EP
European Patent Office
Prior art keywords
thread
storage tube
inlet opening
sensor
area
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
EP20151304.1A
Other languages
German (de)
English (en)
Other versions
EP3693308B1 (fr
Inventor
Sebastian Thomas
Claudia Gallwitz
Christoph Haase
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Spinning Solutions 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 Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG
Publication of EP3693308A1 publication Critical patent/EP3693308A1/fr
Application granted granted Critical
Publication of EP3693308B1 publication Critical patent/EP3693308B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B65H51/205—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage by means of a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B65H51/22—Reels or cages, e.g. cylindrical, with storing and forwarding surfaces provided by rollers or bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B65H63/062—Electronic slub detector
    • B65H63/065—Electronic slub detector using photo-electric sensing means, i.e. the defect signal is a variation of light energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • Known textile machines have a large number of work stations of the type mentioned at the beginning, which are arranged adjacent to one another and at which a thread is wound onto a bobbin, for example a cross-wound bobbin.
  • a thread is produced on a spinning machine from a fiber structure which has been placed before it, which after leaving the spinning unit - viewed in the direction of the thread path - one after the other, i.e. H.
  • the take-off device arranged one behind the other and the thread store passes and is finally wound up on the thread winding device. It is not absolutely necessary here to arrange the thread winding device and thread store directly one after the other, but rather further components can also be interposed.
  • the known spinning machines include in particular air-jet spinning and rotor spinning machines, which are basically known from the prior art.
  • a so-called thread monitor in the area of the thread run, that is, using the example of the spinning machine between the spinning unit and the thread winding device, which is a thread sensor connected to a control of the workstation detects unwanted tearing of the thread as well as defects in the spun thread.
  • the respective work process is interrupted via the control of the workplace. If the thread is damaged, a cleaner cut should be made to remove the damaged area of the thread. If the thread is broken, a section of the thread end is removed. In both cases, the thread ends are then connected. On a spinning machine, for example, the thread end coming from the winding device is then fed to the spinning unit, in which a piecing process is carried out again, as a result of which the spinning process can be resumed.
  • the thread monitor is usually arranged on the control of the work station arranged in the thread course, as in FIG DE 10 2007 040 184 A1 described.
  • the control and the thread monitor form a single unit.
  • the arrangement of the thread monitor can also take place as a separate component in the area between the take-off device and a thread store downstream of the take-off device, as shown in FIG EP 1 954 617 B1 or the DE 38 89 737 T2 known.
  • the thread store serves to temporarily store a section of thread, the term "intermediate storage” being understood to mean the arrangement of a thread loop during transport from the spinning unit to the winding device within the thread storage device, so that fluctuations in the winding speed of the winding device and / or take-off device as well as fluctuations in the delivery speed the spinning unit can be compensated, which leads to a fluctuating fill level of the thread store.
  • the currently known arrangement of a thread sensor at the control of the work station has the disadvantage that for a reliable function of the thread monitor, the control must be arranged in an area of the thread run in front of the winding device. Due to the size of the control, this results in disadvantages in terms of installation space and far-reaching, structural restrictions for the arrangement and structure of the respective workstation.
  • An alternative arrangement of a separate thread monitor for example in the area of the thread store, provides only inadequate detection of the thread path in known workplaces, especially in an area in front of the thread store when this is not filled by a thread section.
  • the use of a separate thread monitor has design disadvantages when designing the work station.
  • the invention is based on the object of providing a thread storage tube for a workstation of a textile machine having a thread winding device and a workstation of a textile machine which enables reliable monitoring of the thread path and a compact design of the workstation.
  • the invention achieves the object by a work station of a textile machine according to claim 1 and a thread storage tube for a work station of a textile machine having a thread winding device according to claim 8.
  • a characteristic of the workstation according to the invention is that the thread store has a thread storage tube arranged with a thread inlet opening in the area of the thread run, which is acted upon by an air flow directed from the thread inlet opening in the direction of the inside of the thread storage tube, with a first thread sensor in the area of the thread inlet opening on the thread storage tube integrated that this monitors the thread run in the area in front of the thread inlet opening.
  • the first thread sensor and the thread storage tube thus form a structural unit.
  • the thread store thus has a thread storage tube which is arranged at the work site in such a way that a thread inlet opening of the thread storage tube adjoins the thread run in regular winding operation of the thread winding device, this arrangement of the thread storage tube essentially consisting of the arrangement of the thread winding device to a thread source and possibly interposed deflection points which specify the thread path.
  • the arrangement of the thread storage tube takes place in such a way that in the state in which no section of the thread is arranged within the thread storage tube, the thread runs in front of the thread inlet opening.
  • a thread storage tube is understood to mean a tube body with basically any cross-section, which has a thread inlet opening at one end through which the thread can enter the inside of the thread tube.
  • the first thread sensor is arranged in the area of the thread inlet opening in such a way that it reliably monitors the thread run in the area in front of the thread inlet opening, ie detects a thread break and / or thread fault and reports it to the control of the work station.
  • a corresponding arrangement of the thread sensor makes it possible to dispense with a separate arrangement of the thread sensor at the work site, which results in a high degree of freedom in determining the thread path and an increase in the Functional reliability results.
  • the first thread sensor is designed in such a way that it monitors the course of the thread when no thread section is arranged within the thread storage tube.
  • the integration of the thread sensor on the thread storage tube results in a particularly high degree of flexibility in the design of the thread path, since it is possible to control the thread independently of the arrangement of the thread sensor obstruct.
  • the thread sensor and the thread storage tube form a compact structural unit. A space-saving arrangement of the thread sensor and the thread storage tube is thus possible. The number of components is reduced and assembly is simplified.
  • the first thread sensor is designed to monitor the course of the thread in the area in front of the thread inlet opening.
  • the first thread sensor is designed to monitor the thread path in the area in front of the thread inlet opening and the inside of the thread storage tube.
  • a corresponding embodiment of the thread sensor makes it possible to monitor both the thread path in the case of a non-existent arrangement of a thread section in the thread storage tube and in the case of the arrangement of a thread section within the thread storage tube. This means that the first thread sensor detects the thread both when it runs properly in front of the thread inlet opening during regular operation and when the thread forms a thread loop inside the thread storage tube.
  • the thread sensor in the area of the thread inlet opening is basically freely selectable, provided that it is positioned in an area that borders on the regular thread run.
  • the thread storage tube is usually arranged in such a way that the edge of the thread storage tube running around the end face is adjacent to the thread path twice in areas opposite one another. Accordingly, the thread first passes a first area of the thread storage tube which faces the thread source, for example a take-off device.
  • the thread then passes a second area of the thread storage tube, which is opposite the first area of the thread storage tube and faces the thread winding device.
  • the first thread sensor is arranged in the second region of the thread storage tube which faces the thread winding device.
  • the arrangement of the first thread sensor in the second area enables particularly good detection of the thread run, the position being particularly advantageously suitable for using the first thread sensor according to an advantageous development of the invention also for detecting the thread run in the region of the inside of the thread storage tube.
  • the use of a single thread sensor is sufficient to record the thread path of the work site in the required manner.
  • the work station has a second thread sensor which is arranged in such a way that it monitors the thread path in the area in front of the thread inlet opening and / or inside the thread storage tube.
  • the use of a second thread sensor increases the reliability of the detection of the thread run in a special way.
  • the use of a first and a second thread sensor makes it possible, for example, to use one thread sensor to detect the thread run in the area in front of the thread inlet opening and the other thread sensor to monitor the thread run within the thread storage tube. This enables a particularly reliable alignment of the respective thread sensors in accordance with their intended use.
  • the second thread sensor is preferably in the area of the thread inlet opening
  • the thread storage tube is also integrated into the thread storage tube. This results in a structural unit comprising the thread storage tube, the first thread sensor and the second thread sensor.
  • the arrangement of the second thread sensor can be freely selected, provided that this takes place in the area of the thread run. According to an advantageous further development of the invention, however, it is provided that the second thread sensor is arranged in the first region of the thread storage tube which is arranged in the region of the thread run and which faces the take-off device at a work site, for example. Accordingly, the second thread sensor is arranged in the area of the thread storage tube which - viewed in the direction of the thread path - is passed by the thread first.
  • a corresponding arrangement in combination with the first thread sensor, which is particularly preferably arranged opposite at the thread inlet opening on the thread storage tube, ensures reliable monitoring of the thread path to a particular extent.
  • the second thread sensor can also be arranged within the interior of the thread storage tube, preferably in the area of the thread inlet opening.
  • the thread run inside the thread storage tube it is also possible to monitor the area in front of the thread inlet opening, provided that this is outside the thread run in the regular operation of the job, but within the thread run of a thread loop. This can be achieved by a corresponding design of the thread inlet opening, which makes it possible to offset the second thread sensor against the first thread sensor transversely to the thread running direction.
  • the point in time at which a thread loop is broken can be determined relatively accurately. This is the time at which the suction air can be switched off.
  • the design of the first and / or the second thread sensor can in principle be freely selected. For example, it can be designed to detect the reflection of a light source occurring on a thread, which allows an adjacent arrangement of a light-sensitive element and the light source. It is also possible to arrange the light source and the light-sensitive element opposite one another and that of the thread measure transmitted light. According to a particularly advantageous embodiment of the invention, it is provided that the first thread sensor and / or the second thread sensor has a phototransistor and an infrared diode, which are particularly preferably arranged opposite one another.
  • the use of a thread sensor configured in this way ensures, in a particularly reliable manner, both the detection of a thread break and the detection of errors within the thread. The use of appropriate thread sensors thus increases the quality of the thread and increases the reliability of the work process.
  • the generation of an air flow directed in the direction of the inside of the thread storage tube starting from the thread inlet opening can in principle take place in any desired manner, for which purpose suitable nozzles can be used, which generate a correspondingly directed air flow within the thread storage tube.
  • the thread storage tube has an outlet opening opposite the thread inlet opening, which outlet opening is connected to a vacuum source.
  • This embodiment of the invention makes it possible in a particularly simple manner to generate an air flow directed in the direction of the inside of the thread storage tube within the thread storage tube.
  • Characteristic of the thread storage tube according to the invention for a work station of a textile machine having a thread winding device is that it has a first thread sensor integrated in the area of a thread inlet opening on the thread storage tube, which is designed such that it monitors the thread path in the area in front of the thread inlet opening.
  • a corresponding thread storage tube can be integrated in a known manner at a work station and, in addition to simple and reliable monitoring of the thread path, also offers the possibility of storing the thread in sections within the inside of the thread storage tube, whereby fluctuations in the winding speed can be compensated for with the stored thread section.
  • the thread sensor according to the invention enables monitoring of the thread run within the thread storage tube, in the area in front of the thread storage tube and / or both in the area of the thread storage tube interior and in the area in front of the Thread inlet opening.
  • a single thread sensor is sufficient to ensure reliable monitoring of the thread path.
  • a second thread sensor is arranged in the area of the thread inlet opening and designed such that it monitors the thread path in the area in front of the thread inlet opening and / or inside the thread storage tube.
  • the use of two thread sensors thus makes it possible to combine them in an optimal way in order to reliably monitor the thread path both inside the thread storage tube and in the area in front of the thread inlet opening.
  • Both thread sensors can be designed to monitor both the thread path in the area in front of the thread inlet opening and in the inside of the thread storage tube.
  • a division of the detection is also possible, according to which one thread sensor monitors the thread path in the area in front of the thread inlet opening and the other thread sensor monitors the area inside the thread tube.
  • the first thread sensor and the second thread sensor are arranged in opposing areas of the thread storage tube, so that particularly reliable monitoring of the thread path is ensured, the thread storage tube then being arranged in such a way that this is the thread storage tube in the areas happens on which the thread sensors are arranged.
  • Figure 1 shows a schematic representation of a work station 1 with a thread 6 extending during the spinning process from a spinning unit 2, which is, for example, an air-jet or rotor spinning unit, to a thread winding device 5.
  • a fiber composite 18 fed to the spinning unit 2 becomes after passing through a drafting system (not shown here) in the case of an air-jet spinning machine or an opening unit in the case of a rotor spinning machine within the spinning unit 2 provided with a twist.
  • a take-off device 3 Downstream of the spinning unit 2 - in relation to the thread running direction 15 - is a take-off device 3 which, with the aid of two take-off rollers 14a, 14b, which form a pair of take-off rollers, pulls the thread emerging from the spinning unit 2 from the spinning unit 2 and transports it towards the thread winding device 5. Downstream of the take-off device 3 is again a thread store 4 with a thread storage tube 7, on which a first thread sensor 10 and a second thread sensor 11 are integrated in the area of a thread inlet opening 8, the thread storage tube 7 being placed in such a way that the thread sensors 10, 11 are in the area of the The grain are arranged.
  • the thread sensors 10, 11 form a sensor system by means of which the thread run can be detected both in front of the thread inlet opening 8 and in the thread storage tube interior 9.
  • the first thread sensor 10 is used to detect the thread run in the area in front of the thread inlet opening 8
  • the second thread sensor 11 is used to detect the thread run in the thread storage tube interior 9.
  • the loop-shaped thread section arranged in the inside 9 of the thread storage tube is generated by suction air directed from the thread inlet opening 8 in the direction of the thread storage tube interior 9, which is provided by a vacuum source 12 which is connected to an end of the thread storage tube 7 opposite the thread inlet opening 8.
  • the thread sensors 10, 11 thus detect the extent to which the loop-shaped thread section extends within the thread storage tube interior 9.
  • the first thread sensor 10 is positioned at the thread inlet opening 8 in such a way that it detects a thread 6 running in front of the thread inlet opening 8. This allows the thread run in the area in front of the thread inlet opening 8 and the thread storage tube interior 9 to be monitored, since both in regular operation of the Job as well as with a thread loop in the thread storage tube interior 9 at the position of the first thread sensor 10, a thread can be detected.
  • the second thread sensor 11 is arranged in the thread storage tube interior 9.
  • the thread sensors 10, 11 are connected to a control of the work station, not shown here, which reduces the winding speed if the filling quantity is too low, whereas if the inside 9 of the thread storage tube is filled too high, the winding speed is increased by the control so that it remains the same To achieve filling level within the thread storage tube interior 9.
  • the connected controller interrupts the spinning process. Subsequently, a defined free thread end coming from the thread winding device 5 is generated by means of a separating device 17, which thread end is conveyed into the spinning unit 2 via return means 16 in a next step. Here the thread end is spun, i.e. H. it is connected to the thread 6 coming from the spinning unit 2.
  • the winding speed of the thread winding device 5 is determined via a connection between the controller (not shown here) and a drive 13 of the thread winding device 5.
  • FIG Figure 4 Another embodiment of a thread store 4a with a thread store tube 7a is shown in FIG Figure 4 with a thread arranged in front of the thread inlet opening 8a and in Figure 5 with a thread 6 arranged in the interior of the thread storage tube 7a.
  • the thread storage tube 7a does not generate any suction air in the area of the thread inlet opening 8a, so that the thread 6 passes the thread storage 4a only in the area of the first thread sensor 10a, which has a phototransistor 19 and an oppositely arranged IR diode, not shown here, which together have a Form a light barrier that detects the thread 6.
  • the first thread sensor 10a is positioned at the thread inlet opening 8a in such a way that it detects a thread 6 running in front of the thread inlet opening 8a.
  • the second thread sensor 11a is offset with respect to the first thread sensor 10a transversely to the thread running direction. This creates a thread 6 running in the regular thread path, as in FIG Figure 4 shown, not detected by the second thread sensor 11a.
  • suction air is applied to the thread storage tube 7a, the thread 6 is pulled out of the regular thread path in the direction of the thread inlet opening 8a and forms a thread loop.
  • the second thread sensor 11a also detects the thread. If the thread loop inside the thread storage tube 7a is in order, the first thread sensor 10a continues to detect the thread 6.
  • Processing of the information supplied by the thread sensors 10a, 11a is processed on a circuit board 21 which is connected to the control of the work station via lines not shown here.
  • a transparent cover 20 arranged on an underside in the region of the second thread sensor 11a makes it possible to visually display the state of the thread store 4a via suitable LEDs arranged on the thread store 4a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
EP20151304.1A 2019-02-08 2020-01-10 Tube de stockage de fil pour un poste de travail d'une machine textile ainsi que poste de travail d'une machine textile Active EP3693308B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019103193.1A DE102019103193A1 (de) 2019-02-08 2019-02-08 Fadenspeicherrohr für eine Arbeitsstelle einer Textilmaschine sowie Arbeitsstelle einer Textilmaschine

Publications (2)

Publication Number Publication Date
EP3693308A1 true EP3693308A1 (fr) 2020-08-12
EP3693308B1 EP3693308B1 (fr) 2022-06-15

Family

ID=69159586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20151304.1A Active EP3693308B1 (fr) 2019-02-08 2020-01-10 Tube de stockage de fil pour un poste de travail d'une machine textile ainsi que poste de travail d'une machine textile

Country Status (3)

Country Link
EP (1) EP3693308B1 (fr)
CN (1) CN111547566B (fr)
DE (1) DE102019103193A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000025831A1 (it) * 2020-10-30 2022-04-30 Savio Macch Tessili Spa Stazione di filatura di una macchina di filatura a rotore con dispositivo di avvolgimento del filato migliorato, macchina di filatura a rotore e relativo metodo di filatura

Citations (4)

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DE3889737T2 (de) 1987-01-16 1994-10-27 Toray Eng Co Ltd Fadenspulvorrichtung.
WO1996019604A1 (fr) * 1994-12-22 1996-06-27 Textilma Ag Metier a tisser pour ruban
DE102007040184A1 (de) 2007-08-25 2009-02-26 Oerlikon Textile Gmbh & Co. Kg Elektronikeinheit für eine Kreuzspulen herstellende Textilmaschine
EP1954617B1 (fr) 2005-11-23 2014-01-08 Saurer Germany GmbH & Co. KG Buse d'air d'aspiration pour une machine textile

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US5079908A (en) * 1988-08-27 1992-01-14 Hans Stahlecker Arrangement for carrying out a yarn piecing operation at a spinning point of a spinning machine
IT1255208B (it) * 1991-07-25 1995-10-20 Harald Dallmann Procedimento e dispositivo per accumulare intermediamente fili per iniziare di nuovo la filatura
JP2005001879A (ja) * 2003-06-11 2005-01-06 Toshibumi Morihashi 分繊機
DE102004057825A1 (de) * 2004-12-01 2006-06-08 Saurer Gmbh & Co. Kg Spulstelle einer Kreuzspule herstellenden Textilmaschine
ITMI20050605A1 (it) * 2005-04-11 2006-10-12 Savio Macchine Tessili Spa Dispositivo di gestione del filo per carrelli di servizio per filatoi open-end
JP5002133B2 (ja) * 2005-04-22 2012-08-15 津田駒工業株式会社 流体噴射式織機の貯留ドラムの緯糸解舒装置
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DE3889737T2 (de) 1987-01-16 1994-10-27 Toray Eng Co Ltd Fadenspulvorrichtung.
WO1996019604A1 (fr) * 1994-12-22 1996-06-27 Textilma Ag Metier a tisser pour ruban
EP1954617B1 (fr) 2005-11-23 2014-01-08 Saurer Germany GmbH & Co. KG Buse d'air d'aspiration pour une machine textile
DE102007040184A1 (de) 2007-08-25 2009-02-26 Oerlikon Textile Gmbh & Co. Kg Elektronikeinheit für eine Kreuzspulen herstellende Textilmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000025831A1 (it) * 2020-10-30 2022-04-30 Savio Macch Tessili Spa Stazione di filatura di una macchina di filatura a rotore con dispositivo di avvolgimento del filato migliorato, macchina di filatura a rotore e relativo metodo di filatura
EP3992336A1 (fr) * 2020-10-30 2022-05-04 Savio Macchine Tessili S.p.A. Station de filage d'un rotor d'un métier à filer à rotor dotée d'un dispositif d'enroulement de fil amélioré, métier à filer à rotor et procédé de filage associé

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Publication number Publication date
EP3693308B1 (fr) 2022-06-15
DE102019103193A1 (de) 2020-08-13
CN111547566A (zh) 2020-08-18
CN111547566B (zh) 2022-04-15

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