EP3828112A1 - Fourniture de tubes à une pluralité de postes de travail d'une machine textile fabricant des bobines croisée - Google Patents

Fourniture de tubes à une pluralité de postes de travail d'une machine textile fabricant des bobines croisée Download PDF

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Publication number
EP3828112A1
EP3828112A1 EP20209664.0A EP20209664A EP3828112A1 EP 3828112 A1 EP3828112 A1 EP 3828112A1 EP 20209664 A EP20209664 A EP 20209664A EP 3828112 A1 EP3828112 A1 EP 3828112A1
Authority
EP
European Patent Office
Prior art keywords
service unit
cheese
feed device
tube
tubes
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
EP20209664.0A
Other languages
German (de)
English (en)
Other versions
EP3828112B1 (fr
Inventor
Wolfgang Doerner
Eduard Prediger
Philipp Schiffers
Jonathan Sprecher
Heiko Toepke
Lothar Uedinger
Harald Wassen
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 EP3828112A1 publication Critical patent/EP3828112A1/fr
Application granted granted Critical
Publication of EP3828112B1 publication Critical patent/EP3828112B1/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
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/061—Orientating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/064—Supplying or transporting cross-wound packages, also combined with transporting the empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/068—Supplying or transporting empty cores
    • 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

  • the present invention relates to a method for supplying a plurality of work stations of a textile machine producing cheese with cheese tubes. At least two service units that supply the work stations with cross-wound bobbins are supplied by a machine-length feed device. The service units have handling means for stopping the cheese tubes on the feed device and picking up the cheese tubes from the feed device. When a package tube is requested by a service unit, a package tube is assigned to this service unit and transferred to the feed device.
  • the invention also relates to a textile machine producing cross-wound bobbins for carrying out the method.
  • the textile machine comprises a control device for controlling the service units.
  • service units are used that can be moved on guide rails on the longitudinal sides of the textile machine.
  • the tasks of the service units include piecing or thread joining after a thread break and supplying the work stations with sleeves.
  • the service units are in turn supplied by a machine-length feed device, preferably a conveyor belt on which the sleeves are transported lying down.
  • a machine-length feed device preferably a conveyor belt on which the sleeves are transported lying down.
  • several service units are used on a textile machine, for example two service units on each longitudinal side of the machine.
  • the DE 199 05 856 A1 describes a rotor spinning machine which has a plurality of work stations between its end frames, which are arranged on both longitudinal sides of the machine. These work stations each have a spinning device and a downstream winding device and are supplied by several service units during operation.
  • a service unit is requested and positioned at the work station.
  • a tube is requested from the tube magazine, which is transported to the work site by means of a conveyor belt.
  • the service unit has handling means with which the delivered tube can be removed from the conveyor belt.
  • the tube is then placed in the winder at the workplace in Operating position positioned.
  • Such service units generally have a sensor which detects the presence of a sleeve in the receiving position or when approaching the receiving position.
  • a sensor can be designed, for example, as an optical proximity switch, in particular as a light switch.
  • a light button has an optical transmitter and receiver integrated in one unit. It reacts to the light reflected from the sleeve. Capacitive proximity switches are also possible. What all these sensors have in common, however, is that they only detect the presence or approach of a sleeve. These sensors cannot differentiate between different sleeves.
  • the service unit working further away from the sleeve magazine first requests a sleeve and, before the sleeve has reached this first service unit, the second service unit positioned closer to the sleeve magazine also requests a sleeve, it can happen that the sleeve intended for the first service unit is from second service unit is removed from the conveyor belt, since the service unit, as described above, cannot distinguish between different sleeves.
  • a present first sleeve request can be deemed to have been met if the first service unit requesting the sleeve has received a sleeve.
  • an existing first sleeve request can be deemed to have been met when the first requested sleeve has passed the second service unit. This means that the second sleeve request is suppressed until the path to the requesting service unit is clear.
  • the suppression of the later sleeve request leads to a reliable assignment of the sleeves to the requesting service unit and successfully prevents the reception of a sleeve that is not assigned to the service unit.
  • the waiting time resulting from the suppression of the tube requirement reduces the productivity of the textile machine.
  • the EP 3 279 123 B1 discloses a method for feeding empty tubes to the maintenance facilities of a textile machine, in particular a spinning machine, in which the tubes are fed with the aid of a conveyor in one direction to the work stations of the textile machine where the maintenance facilities are present which require a new tube.
  • a further tube is stored on the moving conveyor. The mutual position of the workplaces of the machine at which the maintenance facilities are present that require a new sleeve are to be evaluated.
  • the DE 195 12 891 A1 discloses a textile machine producing cross-wound bobbins with a multitude of similar work stations each having an intermediate tube store, a tube transport device for feeding tubes deposited in a central magazine and an operating device that automatically supplies the work stations.
  • the operating device has a handling mechanism which transfers the tube delivered on the tube transport device into the intermediate tube storage facility of the work station.
  • the disadvantage of such a buffer is the construction effort and the additional space required at the work site.
  • a reliable supply of the correct core cannot be guaranteed in a multi-batch operation.
  • the object of the present invention is therefore to ensure that the work stations are supplied with cross-wound bobbin tubes quickly and reliably.
  • a method for supplying a large number of jobs in a textile machine producing cheese cross-wound bobbins in which at least two service units that supply the jobs with cross-wound bobbins are supplied by a machine-length feed device, the service units Have handling means for stopping the package tubes on the supply device and picking up the package tubes from the supply device and when a package tube is requested by a service unit, a package tube is assigned to this service unit and transferred to the supply device.
  • the handling means take the cross-wound bobbin tube from the feed device and insert it into the bobbin winder at the work station without any further storage.
  • the point in time of the transfer of the cheese tube to the feed device, the transport speed of the feed device and the position and the speed of the requesting service unit are recorded and evaluated.
  • the handling means of the requesting service unit are controlled as a function of the evaluation in such a way that the requesting service unit receives the cross-wound bobbin assigned to it.
  • the evaluation of the point in time of the transfer of the cheese tube to the feed device, the transport speed of the feed device and the position and speed of the requesting service unit enables the receiving service unit to take up the cheese in a reliable manner.
  • the service unit preferably requests the cheese tube as soon as it has itself received the request for a job. The fastest possible provision of the cheese tube is thereby achieved.
  • the requesting service unit preferably takes up the cheese tube assigned to it as soon as the cheese tube has reached the service unit. This avoids unnecessary delays.
  • the requesting service unit preferably picks up the cheese tube assigned to it before the service unit has reached the requesting job.
  • the evaluation preferably includes the determination of the point in time at which the Handling means for stopping the cross-wound bobbin tubes are to be activated on the feed device. Alternatively, it is also possible to determine the position of the cheese tube or the service unit at which the handling means for stopping the cheese tubes on the feed device are to be activated.
  • the evaluation includes the calculation of a target point in time at which the package tube assigned to the requesting service unit will have reached the requesting service unit.
  • the target time is reached when the position s H of the package tube assigned to the requesting service unit and the position s SA of the requesting service unit coincide.
  • s H s SA
  • the position can be described by the path between the position and a reference position.
  • the reference position is preferably the position at which the cross-wound bobbin is transferred to the feed device.
  • the position s H of the cheese tube results from the transport speed v T of the feed device and the time difference between the target time t z and the time t 0 of the transfer of the cheese tube to the feed device.
  • s H v T . t Z - t 0
  • the position of the service unit must be known anyway in order to position the service unit in front of a requesting job.
  • the position results, for example, from the communication between the service unit and the work station to be supplied with a cheese tube or from a corresponding sensor system, as are known in various embodiments in the prior art.
  • t Z s SA v T + t 0
  • a time window is preferably placed around the target time which defines the activation of the handling means for stopping the cross-wound bobbin tubes on the feed device.
  • the time window is chosen so that the activation of the handling means for stopping the cheese tube is safely completed before the cheese tube has reached the service unit.
  • the tolerances that arise from the tube transport on the feed device can be taken into account. In the case of a feed device designed as a conveyor belt, for example, when the tube is deposited, slip between the cheese tube and the belt must be expected.
  • the service unit that requests a cheese tube does not necessarily have to be placed in front of the work site to be supplied with the cheese tube at this point in time.
  • the next order is preferably determined from an order list. If this order requires a tube delivery, a cheese tube is requested from the service unit. If the request is confirmed, the service unit starts to the work site of the next order.
  • the speed of the requesting service unit is also recorded and evaluated.
  • the speed v SA of the service unit the following equation can be used for the position s SA of the service unit at the target time t z , where s SA 0 is the position of the service unit at the start time, that is, at the time at which the package tube arrives the feeder is handed over.
  • s SA v SA . t Z - t 0 + s SA 0
  • the target time can again be calculated with the aid of the equation for the position s H of the cheese tube.
  • the service unit does not have to have reached the requesting job. Rather, the service unit can pick up the sleeve on the way to the job in question.
  • the position of the cheese tube on the feed device is not required. Only a target time is calculated. The calculation is preferably carried out at the point in time at which the cheese tube is transferred to the feed device. A repetition of the calculation is only necessary if the status changes.
  • the position of the cross-wound bobbin assigned to the requesting service unit on the feeder is determined from the time at which the cheese tube is transferred to the feed device and the transport speed of the feed device.
  • the invention thus also creates a simple possibility of determining the position of a cheese tube located on the feed device.
  • the position of a cheese tube can be determined at any point in time from the point in time at which the cheese tube is transferred to the feed device and the transport speed of the feed device.
  • the path covered by the cheese tube on the feed device and thus the position s H of the cheese tube within the textile machine are determined by integrating the speed of the feed device from the time of transfer to the current time.
  • the integration can be carried out by multiplying the speed v T. with the duration ( t - t 0 ) between the point in time t 0 of the transfer of the cheese tube to the feed device and the current point in time t.
  • s H v T . t - t 0
  • the service units have handling means for stopping the cheese tubes on the feed device and for picking up the cheese tubes from the feed device.
  • the handling means make it possible to stop the cheese tube in front of the service unit even when the feed device is running.
  • the handling means for stopping the package tube can be activated before a package tube is within reach of the service unit. As a result, the next cheese tube passing the service unit is stopped and can be picked up by the service unit.
  • the handling means for stopping the package tubes are activated at the latest when the distance between the position of the package tube assigned to the requesting service unit and the position of the requesting service unit has fallen below a predetermined tolerance.
  • the position of the cheese tube on the feed device is now constantly known.
  • the distance between the package tube and the service unit that is waiting in front of the workstation in need of service can easily be calculated.
  • the handling means of the service unit are not only activated when the positions of the cheese and the service unit match, but rather beforehand. This also makes it possible to compensate for inaccuracies in the determination of the position, which can arise, for example, as a result of the cheese tube slipping on a feed device designed as a conveyor belt.
  • the invention makes it possible when a cross-wound bobbin is requested immediately to the To pass feeder.
  • the transfer is only limited by the cycle time of a tube magazine in which the package tubes are stored for the transfer.
  • the cycle time is the time it takes to remove the tube from the tube magazine until it is transferred to the feed device. This results in the minimum distance between two cheese tubes on the feed device.
  • the tolerance distance between the package tube and the service unit in which the handling means of the service unit are activated is preferably smaller than the minimum distance between two package tubes. This ensures that the wrong package tube, that is to say one that is not assigned to the service unit, is picked up.
  • the handling means for stopping the cheese tubes are activated at the earliest when there is no other cheese tube between the cheese tube associated with the requesting service unit and the requesting service unit. This means that the handling means can be activated as soon as the path is free for the cheese tube assigned to the requesting service unit.
  • the invention enables several cheese tubes to be managed safely on the feed device.
  • a cross-bobbin case is requested by a second service unit, a second cross-bobbin case is assigned to this service unit and transferred to the feed device regardless of the status of the request for the first cross-bobbin case.
  • the procedure for the second sleeve request is also preferably the same as for the first sleeve request. This means that the time at which the second cheese tube is transferred to the feed device, the transport speed of the feed device and the position of the requesting second service unit are recorded and evaluated.
  • the handling means of the requesting second service unit are dependent controlled by the evaluation in such a way that the requesting second service unit picks up the second cheese tube assigned to it.
  • the handling means for stopping the cheese tubes are not used when the requesting service unit is approached by a cheese tube that is not assigned to it. That is to say, when the first cheese tube approaches the requesting second service unit, the requesting second service unit allows the first cheese tube to pass.
  • the inventive method also enables a number of cheese tubes to be reliably managed on the feed device if the assignment of a cheese tube to a requesting service unit changes after the cheese tube has been transferred to the feed device.
  • Such a change in the assignment of cross-wound bobbin tubes located on the feed device to the requesting service units are known from the prior art described at the beginning in order to improve the utilization of the machine working time.
  • the known sensors for detecting the presence of the package tubes in the receiving area of a service unit can be omitted. For reasons of redundancy, it can nevertheless be sensible to additionally detect the approach of a cheese tube to the receiving position of a requesting service unit by means of a sensor.
  • the positions of the cheese tubes on the supply device determined from the point in time of the transfer to the feed device and the transport speed of the feed device are compared with the position of the cheese tubes detected by the sensor.
  • the calculated target time at which the cheese tube assigned to the requesting service unit should have reached the requesting service unit can be compared with the point in time at which the sensor has detected a cheese tube. In this way, the cheese tube detected by the sensor can be identified and it can be determined whether or not it is assigned to the detecting service unit.
  • a textile machine producing cross-wound bobbins for carrying out the method according to the invention with a large number of workstations, at least two service units supplying the workstations with cross-wound bobbin tubes being supplied by a machine-length feed device, the service units handling means for stopping the cross-wound bobbin tubes on the feeder device and picking them up of the cross-wound bobbin tubes from the feed device, wherein when a cross-bobbin tube is requested by a service unit, a cross-bobbin tube is assigned to this service unit and transferred to the feed device, and the textile machine includes a control device for controlling the service units.
  • the control device detects and evaluates the point in time of the transfer of the cheese tube to the feed device, the transport speed of the feed device and the position of the requesting service unit.
  • the control device controls the handling means of the requesting service unit as a function of the evaluation in such a way that the requesting service unit picks up the cross-wound bobbin assigned to it.
  • the rotor spinning machine 1 shown has between its end frames 2 and 3 a plurality of work stations 4 which are arranged on both longitudinal sides of the machine.
  • the work stations 4, each comprising a spinning device and a winding device, are supplied by four service units 5, 5A, 5B, 5C.
  • the service units 5, 5A, 5B, 5C can be moved on a rail construction 6 along the sides of the machine. If a thread break has occurred at one of the work stations 4 or a bobbin change is to take place, one of the service units 5, 5A, 5B, 5C is automatically activated.
  • the rotor spinning machine 1 furthermore comprises a package transport device 7, which is arranged between the work stations 4, for conveying away finished packages and via a tube delivery device 8
  • Tube delivery device 8 comprises a central tube magazine 9 arranged at the end of the machine, a tube distribution device 10 and two machine-length tube conveyor belts 11, 12 each supplying the work stations 4 on a longitudinal side of the machine with tubes.
  • the service units 5, 5A, 5B, 5C have handling means (not shown) for stopping the cheese tubes 17, 17A on the tube conveyor belts 11, 12 and picking up the cheese tubes 17, 17A from the tube conveyor belts 11, 12.
  • the handling means are also designed to insert the cross-wound bobbin tubes 17, 17A into the bobbin frame of the respective work station 4.
  • the handling means take the cross-wound bobbin tubes 17, 17A from the tube conveyor belts 11, 12 and place them in the bobbin frame of the respective work station 4 without any further storage.
  • the package tube 17, 17A remains in the handling means until the service unit 5, 5A, 5B, 5C has reached the requesting job.
  • the service units 5, 5A, 5B, 5C are via the lines 13 ( Figure 2 ) connected to the control device 14.
  • the control device 14 controls the four service units 5, 5A, 5B, 5C and is in turn connected via the line 15 to the tube delivery device 8 and via the lines 16 to other control devices and machine modules (not shown).
  • the service unit 5B drives to the requesting work station 4 and requests a tube from the tube delivery device 8 via the control device 14.
  • the cheese tube is placed on the conveyor belt 12.
  • the point in time of the handover is recorded by the control device 14. This can be done, for example, by saving the time or by starting a timer. At the same time, the associated course of the transport speed of the tube conveyor belt 12 is recorded and stored.
  • the position from which the service unit 5B is started and the speed at which the service unit 5B travels in the direction of the requesting job is known.
  • the Cross-bobbin case is in the Figure 1 denoted by the reference number 17.
  • the cheese tube 17 is moved in the direction of the arrow from the conveyor belt 12 in the direction of the service unit 5B. From the point in time of the transfer of the cheese tube 17, the transport speed of the tube conveyor belt 12, the starting position of the service unit 5B and the travel speed of the service unit 5B, a target time can be calculated at which the cheese tube 17 will have reached the service unit 5B. At the target time, the service unit 5B picks up the cheese tube 17 and continues its journey to the requesting work station 4.
  • the position of the cheese tube 17 on the conveyor belt 12 is known at all times and can be compared with the current position of the service unit, which results, for example, from the starting position of the service unit 5B and the travel speed of the service unit 5B.
  • the service unit later than the service unit 5B, but still while the sleeve 17 is being made available for the service unit 5B, the service unit also requires a cross-wound bobbin 17A.
  • This request of the cross-wound bobbin 17A is carried out immediately by the control device 14, regardless of the position of the cross-wound bobbin 17, which was requested by the service unit 5B.
  • the time at which the cheese tube 17A is transferred to the tube conveyor belt 12 is also recorded by the control device 14. With the transport speed of the tube conveyor belt 12, the position of the cheese tube 17A on the tube conveyor belt 12 is also known at all times.
  • the target time at which the cheese tube 17A will have reached the service unit 5C is also preferably calculated here.
  • the control device 14 does not determine a sufficient correspondence between the position of the service unit 5C and the position of the cheese tube 17A assigned to this service unit 5C. Or this point in time does not have sufficient correspondence with the target point in time at which the cheese tube 17A should have reached the service unit.
  • the handling means of the service unit 5C are not activated either. If the handling means of the service unit 5C for stopping the cross-wound bobbin 17A were already activated, they can be deactivated in good time so that the cross-wound bobbin 17 is unhindered can happen.
  • the present invention reliably enables only the cheese tube to be received by a service unit which is also assigned to it.

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  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
EP20209664.0A 2019-11-27 2020-11-25 Fourniture de tubes à une pluralité de postes de travail d'une machine textile fabricant des bobines croisée Active EP3828112B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019132062.3A DE102019132062A1 (de) 2019-11-27 2019-11-27 Versorgung einer Vielzahl von Arbeitsstellen einer Kreuzspulen herstellenden Textilmaschine mit Kreuzspulenhülsen

Publications (2)

Publication Number Publication Date
EP3828112A1 true EP3828112A1 (fr) 2021-06-02
EP3828112B1 EP3828112B1 (fr) 2022-12-28

Family

ID=73597857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20209664.0A Active EP3828112B1 (fr) 2019-11-27 2020-11-25 Fourniture de tubes à une pluralité de postes de travail d'une machine textile fabricant des bobines croisée

Country Status (5)

Country Link
EP (1) EP3828112B1 (fr)
JP (1) JP2021084813A (fr)
CN (1) CN112850366B (fr)
DE (1) DE102019132062A1 (fr)
PT (1) PT3828112T (fr)

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE19512891A1 (de) 1995-04-06 1996-10-10 Schlafhorst & Co W Kreuzspulen herstellende Textilmaschine
DE19905856A1 (de) 1999-02-12 2000-08-17 Schlafhorst & Co W Hülsenliefereinrichtung für eine Kreuzspulen herstellende Textilmaschine
EP1675797B1 (fr) 2003-10-16 2010-06-30 Oerlikon Textile GmbH & Co. KG Machine a filer a rotor
EP3279123B1 (fr) 2016-08-05 2019-02-20 Rieter CZ s.r.o. Procédé et dispositif de fourniture de tubes vides à des dispositifs de traitement d'une machine textile

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CS261150B1 (en) * 1987-01-15 1989-01-12 Bohuslav Jirka Method of attendance unit's supplying with empty tubes especially on spindleless spinning machines and device for realization of this method
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JP4039388B2 (ja) * 2004-04-22 2008-01-30 村田機械株式会社 自動ワインダのボビン準備装置
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DE102012016482A1 (de) * 2012-08-17 2014-02-20 Saurer Germany Gmbh & Co. Kg Spinnkops- und Hülsentransportsystem für eine Kreuzspulen herstellende Textilmaschine
CN105417286B (zh) * 2015-12-11 2018-04-10 广东溢达纺织有限公司 纱筒管自动上料系统
JP2018065645A (ja) * 2016-10-18 2018-04-26 村田機械株式会社 トレイ搬送装置
JP2019052033A (ja) * 2017-09-15 2019-04-04 村田機械株式会社 ボビン供給装置、及びボビン処理システム
DE102017123777A1 (de) * 2017-10-12 2019-04-18 Saurer Spinning Solutions Gmbh & Co. Kg Kops- und Hülsentransportsystem für eine automatische Spulmaschine
DE102017129700A1 (de) * 2017-12-13 2019-06-13 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betreiben eines Serviceaggregates

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19512891A1 (de) 1995-04-06 1996-10-10 Schlafhorst & Co W Kreuzspulen herstellende Textilmaschine
DE19905856A1 (de) 1999-02-12 2000-08-17 Schlafhorst & Co W Hülsenliefereinrichtung für eine Kreuzspulen herstellende Textilmaschine
EP1675797B1 (fr) 2003-10-16 2010-06-30 Oerlikon Textile GmbH & Co. KG Machine a filer a rotor
EP3279123B1 (fr) 2016-08-05 2019-02-20 Rieter CZ s.r.o. Procédé et dispositif de fourniture de tubes vides à des dispositifs de traitement d'une machine textile

Also Published As

Publication number Publication date
CN112850366A (zh) 2021-05-28
EP3828112B1 (fr) 2022-12-28
JP2021084813A (ja) 2021-06-03
PT3828112T (pt) 2023-03-30
CN112850366B (zh) 2022-09-16
DE102019132062A1 (de) 2021-05-27

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