EP3807200A1 - Schlauchüberführung - Google Patents
SchlauchüberführungInfo
- Publication number
- EP3807200A1 EP3807200A1 EP19731208.5A EP19731208A EP3807200A1 EP 3807200 A1 EP3807200 A1 EP 3807200A1 EP 19731208 A EP19731208 A EP 19731208A EP 3807200 A1 EP3807200 A1 EP 3807200A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hose
- transfer
- pieces
- elements
- transfer elements
- 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
Links
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
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/06—Feeding sheets or blanks from stacks
- B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/022—Holders for feeding or positioning sheets or webs
- B31B70/024—Rotating holders, e.g. star wheels, drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
- B65H5/085—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers by combinations of endless conveyors and grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/50—Gripping means
- B65H2405/55—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2555/00—Actuating means
- B65H2555/10—Actuating means linear
- B65H2555/13—Actuating means linear magnetic, e.g. induction motors
-
- 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
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/191—Bags, sachets and pouches or the like
Definitions
- the present invention relates to a device, a system and a
- a rotary feeder is used for separating hoses from a hose package, the suction cups of which describe a cycloidal movement as a planet of a planetary gear.
- the object of the invention is therefore to propose a device or a system for the transport of hose pieces, which ensures the most reliable operation and high product quality in a simple and inexpensive manner.
- a device for transporting tube pieces comprising at least a first and a second transfer element for transferring the tube pieces.
- the transfer of the hose pieces in this case comprises at least one takeover at a takeover position and a subsequent handover of a hose piece at a transfer position.
- the transfer elements of the transport device in question can be moved independently of one another along a predeterminable trajectory and are arranged and / or arranged such that the acceleration exerted on the tube pieces can be minimized when the tube pieces are taken over and / or when the tube pieces are subsequently transferred.
- a major advantage of the invention is that both the takeover of the hose pieces and the transfer of the hose pieces takes place at a very low acceleration of the hose pieces, which not only significantly reduces the likelihood of hose pieces being torn off, but also the occurrence of misalignments of the hose pieces , As a result, laborious processes for hose alignment can be dispensed with, so that a high quality standard is guaranteed even without costly alignment processes.
- Another advantage of the invention is that constant, variable and individually determinable distances between the individual tube pieces can be realized.
- the invention also enables a form of alignment processes of the tube pieces to be transferred that is integrated into the production cycle.
- the device in question for the transport of hose pieces is used in particular for the transfer of paper tubes, but can also be used for the transfer of plastic tubes, fabric tubes, rubber tubes and the like.
- the Transfer elements can be used as transfer elements, which allow the taking up and transport of hose pieces.
- the Transfer elements may be suitable for taking over, holding and then handing over the relevant hose pieces.
- Transfer elements can be provided, for example, sliding carriages, gondolas, sliding carriages or the like.
- an acceleration of less than 2 m / s 2 is preferably a minimized acceleration during the takeover and / or transfer of the hose pieces m / s 2 to understand, which acts on the hose pieces during the takeover or handover at the handover or takeover point.
- the transfer elements can preferably be arranged within the same plane, the plane within which the transfer elements are arranged, preferably the sectional plane, the normal vector of which runs in the direction of the axis of rotation about which the
- Transfer elements are guided during the transfer of the hose pieces.
- the transfer elements can also be arranged coaxially to one another instead of on the same plane.
- the transfer elements can be moved along the same predeterminable trajectory. In this way, in particular the required distances and orientations of the transfer elements from one another can be determined in a simple manner.
- the transfer elements are belt-driven, preferably linear motor-driven.
- the transfer elements in question can also be belt-driven, in particular toothed belt-driven.
- flat belt drives can also be provided, which promise a particularly simple design and high belt speeds.
- V-belt, V-ribbed belt or synchronous belt drives can also be used.
- the transfer elements have drive elements (actuators) for moving the transfer elements along a predeterminable trajectory.
- the drive elements can preferably be arranged or fastened optionally, in particular on different sides of the transfer elements.
- the provision of energy for the drive elements can be derived or obtained from the movement of the transfer elements.
- energy storage devices such as batteries, capacitors, mechanical springs or the like can also be provided for energy transmission for the drive elements.
- communication with the drive units can preferably take place wirelessly or contactlessly via Bluetooth, WLAN, NFC or the like, or also via optical methods using optocouplers or the like.
- the transfer elements can advantageously have fixing means for taking over the hose pieces at a takeover position or for handing over the hose pieces at a handover position.
- the fixing means can be formed, for example, as gripping elements or as suction or repulsion elements or the like.
- gripping elements and suction or repulsion elements can also be provided, which, with an appropriate arrangement, ensure particularly simple and quick transfer or takeover of the tube pieces.
- the tube pieces taken over can preferably be positioned in at least two dimensions, in particular in three dimensions.
- a targeted kinematic control for example, a position of the hose in question can be detected and deviations from a target position can be detected, so that the positioning of the hose pieces in question can be corrected in the remaining transport path of the hose pieces.
- positioning elements that are independent of the width can also be provided, so that a correction of a possible skewing position is also possible by a targeted intervention.
- the alignment in the transverse direction could then take place by a targeted transverse displacement of the transfer elements which are in engagement on a piece of hose.
- the advantage is used in particular that each piece of hose is guided by independent transfer elements and thus there is no undesired, mutual influencing of other pieces of hose.
- the device in question for the transport of hose pieces has more than two transfer elements which can be moved independently of one another along a predeterminable, in particular the same predeterminable, trajectory within the device.
- the number of transferred hose pieces per time can be increased in a parallel arrangement, so that the individual takeovers or transfers can take place at even lower acceleration, which further reduces the likelihood of hose breaks or incorrect positioning.
- the individual transfer elements can only be moved on sections of the predeterminable trajectory.
- individual intermediate transfer positions for transferring and transferring the tube pieces can preferably be set up between the different sections of the predeterminable trajectory.
- a “serial” arrangement it can alternatively or cumulatively be provided for a positioning during a transfer of the hose pieces in question that a positioning is carried out with the aid of positioning elements fixedly arranged at the intermediate transfer positions.
- charging stations can also be advantageously arranged at the transfer positions, which are provided for supplying energy to the transfer elements.
- fixing means fixedly arranged at one or more transfer positions can also be provided, by means of which alignment of incorrectly positioned tube pieces can take place.
- These fixing means which are preferably designed as suction cups or grippers, can be supplied directly with energy, for example, so that, in contrast to battery-operated mobile fixing means, there is a technically less complex energy supply.
- the transfer elements in the area of the transfer or transfer at the transfer positions are guided along curve segments on which a movement is transmitted to the fixation means of the transfer elements by means of plungers or the like, so that the energy for the fixation comes directly from the movement of the transfer elements.
- two transfer elements can also be provided for the reception of one hose, a transfer being generated by the relative movement of the two transfer elements - and thus a movement for grasping or depositing a piece of hose takes place.
- This can be done, for example, by approaching the two adjacent transfer elements for gripping a piece of hose and carrying out a kind of jamming of the hose piece before the transfer elements subsequently leave the transfer position synchronously.
- the invention can advantageously provide that the objective predefinable trajectory is defined by a rail system.
- the predeterminable trajectory can also be provided by a conveyor belt, a cable system or the like and can be used to transfer the tube pieces.
- the cables can preferably be driven continuously and guided over deflection rollers or the like, the transfer elements being able to control or influence their movement, for example via clamping jaws or the like.
- a plurality of at least partially adjacent rail systems, conveyor belts and / or cable systems can be provided for guiding the guide elements, each transfer element being able to have its own rail system, conveyor belt and / or cable system.
- An advantageous embodiment manages with a rail system on which the transfer elements can be guided.
- Each transfer element can then be assigned its own rope or conveyor belt, which can be driven separately, so that the speeds and / or accelerations of the transfer elements can be set independently of one another.
- the transfer elements guided on rails can also be provided with a drive via one or more linear motors.
- the invention also relates to a system for transporting pieces of hose with the features of the independent system claim.
- the system in question comprises the device for transferring hose pieces described above, a detection unit for detecting a positional position of the hose pieces, a processing unit for determining a deviation of an actual positioning from a target positioning of the hose pieces, and a control unit for positioning the adopted hose pieces.
- the individual system components are preferably wired, in particular wirelessly connected to one another, for example via WLAN, Bluetooth, NFC or the like. Signal transmission could also be carried out by optical methods such as autocouplers or the like respectively.
- the various components of the system in question are preferably integrated in one unit, preferably in a control unit.
- the detection unit has at least one sensor for recording data, by means of which a current position of the tube piece can be recorded.
- the detection unit has at least two sensors, which are preferably arranged at different positions of the system, in particular at different positions of the device for transferring the tube pieces.
- the sensors are preferably designed and positioned in such a way that they can detect a current positional position of the tube pieces taken over as precisely as possible.
- the sensors can preferably be designed as light barriers or cameras or the like.
- the detection unit determines the current position position on the basis of data from various sensors, the data being averaged and / or weighted by means of a processing unit before a determination of a current position position and / or other statistical data evaluation methods.
- the system has at least one supply unit for supplying individual hose pieces and / or at least one discharge unit for the discharge of hose parts transferred within the device.
- a feed unit can preferably be designed as a rotary feeder.
- a discharge unit can preferably be designed as a double belt conveyor.
- additional control and / or alignment units for checking and / or aligning the transported tube pieces are arranged on the feed unit and / or on the discharge unit.
- the invention also relates to a paper bag production system, comprising a device for transporting hose pieces described above, in particular comprising a system for transporting hose pieces described above.
- the method in question for the transport of hose pieces comprises, in particular, the steps of taking over a first hose piece by a first take-over element at a take-over position, accelerating the first hose piece by the first transfer element while simultaneously displacing the first hose piece by at least one hose length, taking over a second hose piece by means of a second transfer element at the take-over position, acceleration of the second tube piece by the second transfer element while simultaneously displacing the second tube piece by at least one tube length, transfer of the first tube piece by the first transfer element at a transfer position, transfer of the second tube piece by the second transfer element at a transfer position, the transfer elements within the device being so independent of one another are moved along a predeterminable trajectory such that the acceleration exerted on the tube pieces is minimal when the tube pieces are taken over and / or
- the acceleration exerted on the hose pieces has a size of less than 2 m / s 2 , preferably a size of less than 0.2 m / s 2 , in particular reduced to a size of less than 0.02 m / s 2 .
- the hose pieces are transferred at the transfer position at a similar, preferably at the same speed with which the discharge unit is operated.
- This is particularly advantageous with regard to the lowest possible acceleration of the hose pieces during the transfer, since the discharge unit, which is preferably designed as a double belt conveyor, has a certain forward speed to which the hose pieces in question must first be accelerated. At low acceleration, the number of torn or misplaced hose pieces is also reduced.
- a first transfer element preferably takes over the tube piece in question first at the tip of a cycloid at low speed, in particular at a standstill, before the tube taken over is then accelerated and preferably advanced by at least the current bag width in one cycle.
- the space for taking over the following piece of hose is cleared.
- the required acceleration is limited in this way to the extent required for the preference of the current hose width, so that there is an advantage for a small piece of hose.
- the next piece of hose captured by the following takeover element is then advantageously also accelerated accordingly.
- the ratio of the courses of the speeds of the first to the second takeover element in this phase results in the distance between the tube pieces in the further course.
- the method also includes data acquisition for determining a position of the transferred tube pieces by means of a detection unit.
- the acquisition of data for determining a position of the transferred tube pieces can take place in particular with the aid of various sensors which, according to the explanations for the device according to the invention for the transport of tube pieces, are preferably arranged at different positions of the system in question.
- the method in question can preferably provide that a deviation from a desired position is determined by means of a processing unit on the basis of the acquired data and / or that the adopted tube pieces are then positioned by means of a control unit by the control unit depending on the positioning determined by the processing unit sends a signal to one of the positioning units, which then carries out a corresponding correction of the positioning of the tube pieces taken over.
- 1 shows an inventive device for transporting pieces of hose according to a first embodiment
- 2 shows a device according to the invention for transporting pieces of hose according to a second exemplary embodiment
- FIG. 3 shows a system according to the invention for the transport of hose pieces, comprising a device for transporting hose pieces according to a third
- FIG. 4 shows a system according to the invention for the transport of hose sections, comprising a device for transporting hose sections according to a fourth
- FIG. 5 shows a system according to the invention for transporting hose sections, comprising a device for transporting hose sections according to a fifth
- FIG. 6 shows a system according to the invention for transporting hose pieces, comprising a device for transporting hose pieces according to a first
- the device 2 here comprises a first transfer element 4 and a second transfer element 4 ′, which in the present case are in the form of sliding carriages and can be moved independently of one another along a predeterminable trajectory 12.
- the trajectory 12 along which the transfer elements 4 and 4 'can be moved independently of one another is determined in the present case by a rail system on which the transfer elements 4, 4' are guided.
- the transfer elements 4, 4 'can also be moved by means of belt systems, cable systems or the like.
- the transfer elements 4, 4 'could be formed, for example, in the form of gondolas, trolleys or the like.
- the transfer elements 4, 4 ' can in this case be formed by means of various drive forms, for example belt-driven, toothed belt-driven, via the transport system formed here as a rail system or driven by linear motors.
- a drive can in particular be magnetically controllable, the drive also being able to be designed separately from the load-bearing function of the transfer elements in a particularly flexible embodiment.
- a linear motor is characterized in particular by the fact that switchable magnetic forces are provided to generate a driving force. A local variation of these magnetic forces means that the transfer elements can be controlled independently of one another, so that they can be moved at speeds that are independent of one another.
- the transfer elements 4, 4 'each have drive elements 3. These are preferably arranged on the rear side of the transfer elements 4, 4 ', but can also be arranged or fastened on the front side or also below the transfer elements 4, 4'.
- the energy supply for the drive elements 3 can advantageously be derived or obtained, for example, in the context of inductively operable drive elements 3 from the movement of the transfer elements 4, 4 ′.
- energy storage devices such as batteries, capacitors, mechanical springs or the like can also be provided for the energy transmission for the drive elements 3.
- the transfer elements 4, 4 have actuators formed here as fixing means 8, which in the simplest case can be formed in the form of gripping elements, suction or repulsion nozzles or the like.
- FIG. 2 shows a sectional illustration of a system 1 according to the invention for transporting hose sections 10, comprising a device 2 for transporting hose sections 10 according to a second exemplary embodiment.
- the device 2 comprises two trajectories 12 arranged next to one another and formed in a rail form, along which a first and a second transfer element 4, 4 ′ are guided.
- a piece of hose 10 is initially taken over at a takeover position 6, the piece of hose 10 being fixed to the transfer element 4 by means of the fixing means 8.
- the senor 16 detects, for example by means of a light barrier 26 or the like, data for assessing a current positioning of the hose pieces 10 that have been taken over.
- the data detected by the sensor 16 are then passed on to the detection unit 18 and then to the processing unit 20 for processing, on the basis of comparison data, in particular by means of a comparison of a target from an actual
- FIG. 4 shows a system 1 according to the invention for transporting hose sections 10, comprising a device 2 for transporting hose sections 10 according to a fourth exemplary embodiment.
- a device 2 for transporting hose sections 10 according to a fourth exemplary embodiment.
- three transfer elements 4, 4 ′ and 4 ′′ are arranged within the device 2 and can be moved independently of one another along a predetermined trajectory 12.
- the transfer elements 4, 4 ′ and 4 ′′ in the form of a serial arrangement can only be moved on sections A, B, C of the predetermined trajectory 12.
- Sections a, b and c, on which the individual transfer elements 4, 4 'and 4 "can be moved independently of one another, are formed here by the integration of two intermediate transfer positions 6".
- FIG. 5 shows a system 1 according to the invention for transporting hose sections 10, comprising a device 2 for transporting hose sections 10 according to a fifth exemplary embodiment.
- the device 2 in question is formed in the form of a serial arrangement, so that the individual transfer elements 4, 4 'and 4 "can only be moved on the sections A, B and C of the predeterminable trajectory 12.
- the individual transfer elements are not provided with positioning means 14 here.
- the device 2 in question in the present case comprises four fixedly arranged positioning means 14 ', by means of which it is possible to align possibly misaligned hose pieces 10 during the individual transfers.
- a further sensor 16 is arranged for acquiring data relating to a position of the tube pieces 10 that have been taken over.
- the individual, permanently located positioning means 14 ' can also have docking stations (not shown here) which, for example, allow energy to be transferred to the transfer elements 4, 4'.
- the energy in the form of electrical Energy, in the form of magnetic energy or in the form of pneumatic energy.
- charging devices can be installed at the transfer positions, which supply the transfer elements 4, 4', which are preferably provided with rechargeable energy sources, with electrical energy.
- the double belt conveyor here comprises an upper transport means 32 and a lower transport means 34, which are guided over transport rollers 30 along a predetermined transport direction.
- the tube pieces 10 transferred to the double belt conveyor are transported further between the upper and lower transport means 32, 34.
- two transfer elements 4, 4 ' which can be moved independently of one another along a predeterminable trajectory 12, it is possible to transfer the tube pieces 10 taken over at a takeover position 6 both during takeover and during a subsequent transfer with the least possible acceleration. This not only minimizes the likelihood of the hose pieces 10 tearing off, but also the likelihood of incorrect positioning of the hose pieces 10 that have been taken over.
- the system 1 additionally comprises a sensor 16, a detection unit 18 a processing unit 20 and a control unit 22.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018114020 | 2018-06-12 | ||
| DE102019107458.4A DE102019107458A1 (de) | 2018-06-12 | 2019-03-22 | Schlauchüberführung |
| PCT/EP2019/065300 WO2019238731A1 (de) | 2018-06-12 | 2019-06-12 | Schlauchüberführung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3807200A1 true EP3807200A1 (de) | 2021-04-21 |
| EP3807200B1 EP3807200B1 (de) | 2022-04-13 |
Family
ID=68651760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19731208.5A Active EP3807200B1 (de) | 2018-06-12 | 2019-06-12 | Schlauchüberführung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3807200B1 (de) |
| DE (1) | DE102019107458A1 (de) |
| ES (1) | ES2913130T3 (de) |
| WO (1) | WO2019238731A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202017105482U1 (de) | 2017-08-18 | 2017-09-21 | Frank F.E. Mayer | Haltevorrichtung für Karten und/oder Scheine |
| IT202000015853A1 (it) * | 2020-07-01 | 2022-01-01 | Fameccanica Data Spa | Apparecchio e procedimento per il trasferimento di articoli |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605461C2 (de) | 1996-02-14 | 1999-06-02 | Windmoeller & Hoelscher | Vorrichtung zum Vereinzeln gestapelter flacher Werkstücke |
| DE202007012349U1 (de) * | 2006-07-26 | 2007-12-13 | Heidelberger Druckmaschinen Ag | Bogenstanz- und -prägemaschine mit Passerausrichtung |
| DE102007033936A1 (de) * | 2007-07-20 | 2009-01-22 | Koenig & Bauer Aktiengesellschaft | Umlaufender Vorgreifer |
-
2019
- 2019-03-22 DE DE102019107458.4A patent/DE102019107458A1/de not_active Withdrawn
- 2019-06-12 WO PCT/EP2019/065300 patent/WO2019238731A1/de not_active Ceased
- 2019-06-12 ES ES19731208T patent/ES2913130T3/es active Active
- 2019-06-12 EP EP19731208.5A patent/EP3807200B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019238731A1 (de) | 2019-12-19 |
| EP3807200B1 (de) | 2022-04-13 |
| ES2913130T3 (es) | 2022-05-31 |
| DE102019107458A1 (de) | 2019-12-12 |
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