EP3728090B1 - Enrouleuse à tourelle et procédé de fonctionnement d'une enrouleuse à tourelle - Google Patents

Enrouleuse à tourelle et procédé de fonctionnement d'une enrouleuse à tourelle Download PDF

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Publication number
EP3728090B1
EP3728090B1 EP18825668.9A EP18825668A EP3728090B1 EP 3728090 B1 EP3728090 B1 EP 3728090B1 EP 18825668 A EP18825668 A EP 18825668A EP 3728090 B1 EP3728090 B1 EP 3728090B1
Authority
EP
European Patent Office
Prior art keywords
transmitter
receiver
winding shaft
winding
winder
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.)
Active
Application number
EP18825668.9A
Other languages
German (de)
English (en)
Other versions
EP3728090A1 (fr
Inventor
Viktor SPETTER
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher 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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP3728090A1 publication Critical patent/EP3728090A1/fr
Application granted granted Critical
Publication of EP3728090B1 publication Critical patent/EP3728090B1/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
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/35—Supports; Subassemblies; Mountings thereof rotating around an axis
    • B65H2402/352—Turrets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
    • B65H2407/10—Safety means, e.g. for preventing injuries or illegal operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/231—Turret winders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/511—Presence of user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors

Definitions

  • the invention relates to a turret winder for sequentially winding a web onto a plurality of rolls according to the preamble of claim 1 and a method for operating a turret winder according to the preamble of claim 8.
  • turret winders With turret winders, it is possible to wind a web, in particular a printing material web that has been printed in a printing machine, onto a plurality of individual rolls.
  • turret winders have been used for some time, in which a first winding shaft and at least one second winding shaft are provided.
  • Each winding shaft is arranged with its ends in a respective rotation device and is preferably rotatably mounted there.
  • At least one winding sleeve is usually arranged in a rotationally fixed manner on a winding shaft, on which the web can be wound up or is wound up and thus forms a winding.
  • At least one pressure roller is provided.
  • the winding hardness is determined by the amount of air trapped between the individual layers of the winding.
  • a pressure roller is usually provided, which can be moved relative to all the rolls.
  • a movement device arranged on at least one rotation device is provided, in which the pressure roller is mounted with one of its ends.
  • the object of the present invention is therefore to meet the aforementioned requirements.
  • the element arranged on the at least one movement device is preferably a flat element, ie its extension in two mutually orthogonal spatial directions is significantly greater than the extension in the third spatial direction orthogonal to the other two spatial directions.
  • this element is designed in the form of a plate, lattice or net, in which case the important thing here is the function and not the physical configuration. Other, similar configurations that fulfill the same function are also conceivable here.
  • this element can be equipped with a supporting frame or supporting slats for supporting the plate, lattice or net structure.
  • the movement device can be a linear guide that extends along an imaginary line that connects the first winding shaft and the second winding shaft to one another.
  • the element can also be fastened to the carriage on which the pressure roller is arranged.
  • a further attachment of one of the rotation devices is not necessary, but advantageous.
  • This additional attachment can also include a carriage that runs on linear guides, or from a pivot bearing, as in the DE 10 2014 214 335 A1 is shown, in which case the element must have a telescopic displacement possibility.
  • the print JP 2004 269102 A shows such a turret winder for sequentially winding a web onto a plurality of rolls, in which a first winding shaft and at least one second winding shaft are provided, the first and second winding shafts being supported at their ends by two rotary devices. Furthermore, the turret winder includes a pressure roller which can be moved between the first winding shaft and the second winding shaft.
  • the pressure roller is fastened in one end of a swivel arm, with the second end of the swivel arm being pivotably mounted in at least one rotation device.
  • the at least one swivel arm can be driven by means of a drive, preferably by means of a Pneumatic cylinder, which is able to provide a constant force.
  • At least one electromagnetic radiation arranged.
  • Transmitters and/or receivers can also be arranged on components connected to the turntable or turntables, for example on traverses or on the aforementioned pivot bearing or pivot bearings.
  • the electromagnetic radiation can be used optionally, that is to say that it can be switched on and off. Switching off this radiation enables the operator to intervene in the turret winder without unintentionally interrupting the electromagnetic radiation. This is possible if the nip described above is far enough away from the area where the operator is working.
  • the turret winder can react, for example, by reducing the contact force of the pressure roller. This can be achieved, for example, by depressurizing the pneumatic cylinder.
  • the winding process can be stopped, ie the rotating winding can be stopped.
  • the interaction of a fixed element that is movable relative to the roll due to the arrangement on the movement device and the monitoring of an area or a room by means of electromagnetic radiation, with the monitoring being optional, can ensure that the operator is not exposed to any risk of injury, but also by switching off the electromagnetic radiation as required, no disturbances can occur when changing the roll.
  • the transmitter is preferably a light source that emits laser light in particular.
  • Light is not only understood to mean that electromagnetic radiation that is visible to the human eye. Nevertheless, this is an advantage so that an operator can also see the danger area can recognize.
  • the use of laser light is advantageous because it is very well focused.
  • the receiver is a component that converts the electromagnetic radiation into electrical signals, based on the photo effect.
  • the transmitter and/or the receiver have an elongated shape.
  • Both the transmitter and the receiver are preferably elongated, so that a plurality of preferably parallel beams of electromagnetic radiation can be generated.
  • the term "elongated shape" can mean in particular that one or more light transmitters are arranged along a line. Such an arrangement can then also be provided for the recipient. One can therefore speak of a light grid being set up.
  • the element in the form of a plate, grid or net is on one side and the transmitter and/or receiver on the other side of an imaginary plane spanned by the first and the second winding shaft.
  • the transmitter and/or receiver are above and the plate-, grid- or net-shaped element is below the winding shafts, or vice versa, it being assumed that the plane spanned by the winding shafts is arranged horizontally.
  • the mechanical protection is on one side of the winding shafts and the electromagnetic protection is on the other side of the winding shafts.
  • a pivot bearing is provided as the movement device, with the pivot bearing and the transmitter and/or the receiver lying on a plane which is orthogonal to the plane spanned by the first and the second winding shaft and parallel to the first and the second winding shaft runs.
  • the transmitter is arranged on one of the rotation devices and the receiver on the other rotation device, so that both rotate with the rotation of the rotation device and therefore remain in a fixed position relative to the winding shafts.
  • At least one further transmitter for transmitting and/or receiver for receiving electromagnetic radiation is arranged on a machine frame in which the rotation devices are rotatably mounted.
  • Such a further transmitter and/or receiver can be used to detect the presence of a sufficiently large roll. It is then possible to switch off the first transmitter and/or receiver. If a sufficiently large coil has been wound but has not yet been removed from the turret winder, it serves as protection for an operator, so that protection by the first transmitter and/or receiver is not required at this point.
  • a roll gap is covered with a plate-, grid- or net-shaped element arranged on the at least one swivel arm and with at least one transmitter for transmitting and/or receiver arranged on at least one of the rotation devices Receiving electromagnetic radiation optionally the nip is additionally monitored.
  • first winding shaft 102 and the second winding shaft 103 can be seen, which are each rotatably mounted in a rotating element designed as a rotary disk 104 and can optionally be driven in rotation. Suitable rotary drives, preferably electric motors, can be available for this purpose.
  • Each of the winding shafts 102 and 103 can each be fitted with one or more winding sleeves 105, 106 onto which the web can be wound undivided or with longitudinal sections, so that windings can arise from which the winding 107 is currently being formed.
  • the roll 107 is formed by feeding in a web 108 which can be guided or is guided at least over a roller.
  • This roller is in the embodiment figure 1 designed as a contact roller 109, ie it lays the web 108 directly onto the outer circumference of the roll 107.
  • the contact roller can be displaced along linear guides 110 which can be arranged on the machine frame 111 .
  • any other mechanical elements can also be provided that fulfill the function mentioned, namely the movement of the contact roller relative to the roll.
  • the directions of rotation of the reel 107 and the contact roller 109 are indicated by the W and K arrows. However, the directions of rotation can also be reversed, so that alternatively the outside of the roll can also form the inside.
  • the guide rollers 110 and 111 which are used to guide the web 108 when the turntable 104 is rotated for the purpose of changing the lap, can also be rotatably mounted in the turntable 104.
  • a pressure roller 112 is provided, which is mounted rotatably and movably relative to the roll.
  • the direction of rotation of the pressure roller which runs in the opposite direction to the direction of rotation W of the roll, is indicated by the arrow A.
  • the pressure roller 112 is rotatably mounted on one end of a swivel arm 113 in the present embodiment.
  • the second end of the swivel arm 113 is mounted in the turntable 104 by means of a swivel bearing 114 , the pressure roller being movable relative to the turntable 104 and thus relative to the roll 107 .
  • a drive is provided which, in the present exemplary embodiment, is designed as a piston lifting cylinder 114 which can be operated, for example, with compressed air.
  • the piston of the piston lifting cylinder is by means of a pivot bearing rotatably attached to the swivel arm 113, while the cylinder is rotatably arranged on the turntable 104, also by means of a rotary bearing.
  • a guard 115 is also arranged on the swivel arm 113 and extends parallel to the pressure roller 112 .
  • This protection can include a planar element, in particular a net, a grid, a plate or the like, whereby it can be prevented that an object or even a body part of a person penetrates into the roller gap 120 created by the roll 107 and the pressure roller 112 .
  • the turntable 104 carries a further protective device, which is designed as a transmitter 116 and/or receiver for electro-optical radiation.
  • the transmitter 116 provides electromagnetic radiation which can be received by a receiver, the receiver preferably being used to measure the intensity of the received radiation.
  • the receiver can be arranged on the second turntable 104', which is not shown. However, it is also conceivable that only one or more reflectors are arranged on the second turntable 104 ⁇ , so that the electromagnetic radiation emitted by the transmitter is reflected back. In this case, a receiver can be arranged directly next to, above and/or below the transmitter 116 on the turntable 104, which reduces the effort involved in wiring the transmitter and receiver.
  • the receiver registers a reduced intensity of the electromagnetic radiation.
  • This information is evaluated and further processed by a control device (not shown). This further processing can manifest itself, for example, in the fact that the winding process in the turret winder is stopped.
  • the pressure roller 112 can be removed from the winding 107 so that the danger point of the winding gap is no longer present. For this he can the pressure applied to the piston-cylinder unit can be removed, ie the cylinder is depressurized or switched in the opposite direction. An object that has entered the nip is no longer squeezed in the nip or transported further in it.
  • FIG. 1 it is shown that the reel 107 is being wound while the sleeve 106 has already been pushed onto the winding shaft 103 for the following reel change.
  • the loading and/or the insertion of the winding shaft 103 usually takes place at least in part through manual intervention by the operator.
  • An operator is usually standing on the work platform 117 while the new core 106 is being prepared, so that there is a source of danger for this operator with the ongoing winding process.
  • Various safety scenarios and safety features are provided by the present invention in various stages of the ongoing winding process or the previous or subsequent change of core and winding, which are explained in more detail below with reference to the figures.
  • the transmitter and/or receiver can remain or become switched off. This can even be seen as an advantage, as it can happen that the operator breaks through the light beam during the preparation of the new rolls.
  • the transmitter is switched on, for example, the ongoing wrapping process would be stopped, although there was no acute danger to the operator. Provision can be made for the transmitter and/or receiver to be switched on when the roll 107 has exceeded a limit diameter in the course of the increase in diameter.
  • the control device can monitor the current roll diameter, for example by evaluating the measuring sensor, and/or calculate it on the basis of the running length of the web that has already been wound up and the thickness of the web. If the limit diameter is then reached, the control device switches on the transmitter and/or receiver. But it can also be provided that the Completion of the preparatory work in relation to the new core 106 must be confirmed by the operator. For this purpose, the completion of the preparation can be communicated to the control device by pressing a key or a button. If the limit diameter has been exceeded but this confirmation has not yet taken place, provision can be made for the winding process to be stopped for safety reasons without the transmitter and/or receiver being switched on. This procedure can be advantageous in connection with the following situation.
  • a sensor 121 (in figure 1 shown) may be provided, which is arranged, for example, in the machine frame 122 of the turret winder. This sensor 121 can be what is known as a one-way light barrier. Is now as it is in the figure 3 is shown, a roll in the detection range of the sensor, the control device is provided with this information.
  • the control device then suspends the activation of the transmitter 116 and/or the receiver, even if the new roll has exceeded the limit diameter. Only when the sensor 121 detects that the detection area is free again and the control device receives corresponding information does the control device lift the suspension of the activation of the transmitter 116 and/or the receiver again.
  • the figure 2 now shows a situation after a lap change and a very advanced winding process.
  • the winding shaft 103 With the winding sleeve 106, which together form the new winding 123.
  • This arrangement is based on the in the figure 1
  • the arrangement shown is achieved in that the turntable is rotated in the direction of arrow D, preferably through an angle of 180°, so that the winding shaft 102 changes the position of the winding shaft 103 takes and vice versa. During this process, the winding process continues, with the pressure roller 112 still being in contact with the roll 107 .
  • the web 108 is also guided by the guide roller 110 in order to prevent the web 108 from touching other components of the turret winder, such as the pressure roller 112.
  • the winding core 106 comes into contact in touching contact with web 108 .
  • the web 108 is cut by a severing device (not shown), so that the newly formed beginning of the web is carried along by adhesive forces acting between the new core 106 and the web 108 .
  • adhesive forces can be provided, for example, by double-sided adhesive strips, by applied adhesive or by electrostatic charging.
  • the pivoting arm 113 pivots towards the new roll 123, so that the upper web layer is also pressed on this new roll.
  • the swivel arm 113 is now in a suspended position, in which the bearing of the swivel arm 113 is arranged above the bearing of the pressure roller 112 in the swivel arm 113 .
  • an operator reaches into the winder above the mandrel 103, so that it is sufficient if only the protection 115 shields the operator's space from the new winder 123.
  • the transmitter 116 is switched off. This in turn offers advantages, since otherwise, for example, falling or hanging objects, such as the free end of the web, could get into the effective range of the transmitter and thus cause the winding device to stop unjustifiably.
  • figure 2 now shows the winding shaft 102, which is already equipped with a new, empty winding tube 105.
  • the figure 3 shows the situation after another lap change, which is carried out in the same way as the lap change, which is based on the transition from the figure 1 to the figure 2 was explained.
  • the winding 123 is here in a position in which it is removed by the operating personnel Winding device can be removed. However, this winding 123 covered in the figure 1 sensor 121 shown. This means that this sensor detects the presence of a roll and signals this to the control device. With the control device, the transmitter 116 is now deactivated or the deactivation is maintained as long as the roll is in the recognition range of the roll 123 . Only when the roll has been removed is this recognized by the sensor 121, so that the transmitter 116 is activated.
  • the transmitter 116 is active when the operator equips the winding shaft with a new, empty winding core 106 .

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Claims (8)

  1. Enrouleuse à tourelle (101) pour l'enroulement successif d'une bande sur plusieurs rouleaux, dans laquelle un premier arbre d'enroulement (102) et au moins un deuxième arbre d'enroulement (103) sont prévus,
    dans laquelle les premier et deuxième arbres d'enroulement (102, 103) sont supportés, avec leurs extrémités, par deux dispositifs de rotation (104),
    dans laquelle un rouleau de pression (112) est logé, avec au moins un de ses extrémités, dans au moins un dispositif de déplacement (113, 114) avec lequel le rouleau de pression (112) peut être déplacé par au premier et à l'au moins un deuxième arbre d'enroulement (102, 103), dans laquelle le dispositif de déplacement (113, 114) est disposé au niveau d'un des dispositifs de rotation (104),
    caractérisée en ce que
    au niveau de l'au moins un dispositif de déplacement (113, 114), est disposé un élément en forme de plaque, de grille ou de réseau (115) et
    au niveau d'au moins un des dispositifs de rotation (104) est disposé, indirectement ou directement, au moins un émetteur (116) pour l'émission et/ou au moins un récepteur pour la réception d'un rayonnement électromagnétique.
  2. Enrouleuse à tourelle (101) selon la revendication 1,
    caractérisée en ce que
    avec l'élément en forme de plaque, de grille ou de réseau (115) et avec le rayonnement électromagnétique présent de manière facultative, l'espace entre le premier arbre d'enroulement (102) et le deuxième arbre d'enroulement (103) peut être protégé afin d'empêcher le passage d'une personne ou d'un objet.
  3. Enrouleuse à tourelle (101) selon la revendication 1,
    caractérisée en ce que
    l'émetteur (116) et/ou le récepteur présente une forme allongée.
  4. Enrouleuse à tourelle (101) selon l'une des revendications précédentes,
    caractérisée en ce que
    l'élément en forme de plaque, de grille ou de réseau (115) se trouve sur un côté et l'émetteur (116) et/ou le récepteur se trouve sur l'autre côté d'un plan imaginaire défini par les premier et deuxième arbres d'enroulement (102, 103).
  5. Enrouleuse à tourelle (101) selon l'une des revendications précédentes,
    caractérisée en ce que
    en tant que dispositif de déplacement, un palier de pivotement (114) est prévu, dans laquelle le palier de pivotement (114) et l'émetteur (116) et/ou le récepteur se trouvent sur un plan qui est perpendiculaire au plan défini par les premier et deuxième arbres d'enroulement (102, 103) et qui est parallèle aux premier et deuxième arbres d'enroulement.
  6. Enrouleuse à tourelle (101) selon l'une des revendications précédentes,
    caractérisée en ce que
    l'émetteur (116) est disposé sur un des dispositifs de rotation (104) et
    le récepteur est disposé sur l'autre des dispositifs de rotation (104').
  7. Enrouleuse à tourelle (101) selon l'une des revendications précédentes,
    caractérisée en ce que
    sur un châssis de machine (111), dans lequel les dispositifs de rotation (104, 104') sont logés de manière rotative, est disposé au moins un autre émetteur pour l'émission et/ou un autre récepteur pour la réception d'un rayonnement électromagnétique.
  8. Procédé de fonctionnement d'une enrouleuse à tourelle (101) selon l'une des revendications précédentes 1 à 7,
    caractérisé en ce que
    avec un élément en forme de plaque, de grille ou de réseau (115) disposé sur l'au moins un bras pivotant (113), un intervalle entre rouleaux est recouvert et
    avec au moins un émetteur (116) pour l'émission et/ou un récepteur pour la réception d'un rayonnement électromagnétique, disposé au moins sur un des dispositifs de rotation (104, 104'), l'intervalle entre rouleaux (120) est en outre facultativement surveillé.
EP18825668.9A 2017-12-20 2018-12-18 Enrouleuse à tourelle et procédé de fonctionnement d'une enrouleuse à tourelle Active EP3728090B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017223449 2017-12-20
PCT/EP2018/085515 WO2019121695A1 (fr) 2017-12-20 2018-12-18 Enrouleuse à tourelle et procédé de fonctionnement d'une enrouleuse à tourelle

Publications (2)

Publication Number Publication Date
EP3728090A1 EP3728090A1 (fr) 2020-10-28
EP3728090B1 true EP3728090B1 (fr) 2023-04-19

Family

ID=64755561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18825668.9A Active EP3728090B1 (fr) 2017-12-20 2018-12-18 Enrouleuse à tourelle et procédé de fonctionnement d'une enrouleuse à tourelle

Country Status (3)

Country Link
EP (1) EP3728090B1 (fr)
ES (1) ES2944435T3 (fr)
WO (1) WO2019121695A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6588698B2 (en) * 2001-11-26 2003-07-08 Gl&V Management Hungary Kft Winding machine including a finger sensor adjacent the nip formed between a support drum and a web reel
US6616085B2 (en) * 2002-02-12 2003-09-09 Metso Paper, Inc. Winder splicing nip guard
JP3979954B2 (ja) * 2003-03-06 2007-09-19 日本輸送機株式会社 巻取機のシート引出装置
DE102005048465A1 (de) * 2005-10-07 2007-04-12 Man Roland Druckmaschinen Ag Schutzvorrichtung vor Bruchstücken einer Rollenhülse an einem Rollenwechsler einer Druckmaschine
DE102006008104A1 (de) * 2006-02-20 2007-10-18 Koenig & Bauer Aktiengesellschaft Vorrichtung zur Abedeckung eines Gefahrenbereiches an einem Rollenwechsler und ein Vefahren zur Steuerung einer Vorrichtung
DE102014214335B4 (de) 2014-07-23 2020-07-09 Windmöller & Hölscher Kg Wickelvorrichtung zum Aufwickeln eines bahnförmigen Materials

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Publication number Publication date
ES2944435T3 (es) 2023-06-21
EP3728090A1 (fr) 2020-10-28
WO2019121695A1 (fr) 2019-06-27

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