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WO2018146127A1 - Procédé et dispositif de mise en place d'une ligne de remplissage sur un récipient - Google Patents

Procédé et dispositif de mise en place d'une ligne de remplissage sur un récipient Download PDF

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Publication number
WO2018146127A1
WO2018146127A1 PCT/EP2018/053034 EP2018053034W WO2018146127A1 WO 2018146127 A1 WO2018146127 A1 WO 2018146127A1 EP 2018053034 W EP2018053034 W EP 2018053034W WO 2018146127 A1 WO2018146127 A1 WO 2018146127A1
Authority
WO
WIPO (PCT)
Prior art keywords
vessel
gas
comparison value
gas molecules
determined
Prior art date
Application number
PCT/EP2018/053034
Other languages
German (de)
English (en)
Inventor
Manuel Bernroitner
Original Assignee
Manuel Bernroitner
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 Manuel Bernroitner filed Critical Manuel Bernroitner
Priority to EP18703778.3A priority Critical patent/EP3580529A1/fr
Priority to MX2019009183A priority patent/MX2019009183A/es
Publication of WO2018146127A1 publication Critical patent/WO2018146127A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/20—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas
    • G01F23/205—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • G01F22/02—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A47G19/2227—Drinking glasses or vessels with means for amusing or giving information to the user
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G2200/00—Details not otherwise provided for in A47G
    • A47G2200/22—Weight
    • A47G2200/223—Weight indicator

Definitions

  • the invention relates to a method for setting a filling line on a vessel by means of changing the amount of gas molecules located within this vessel and to an apparatus for carrying out this method.
  • a method for setting a filling line on a vessel comprises the following steps: - isolating the gas molecules located in the interior of the vessel from the environment;
  • the interior of the vessel is separated from the environment, e.g. sealed to isolate the gas molecules in the interior of the environment.
  • the state of the gas changes, in particular the pressure or other parameters, as explained later. Due to this state change, a comparison value can be determined in a suitable manner, as will also be described in detail below.
  • a suitable measuring device e.g. a pressure measuring device to provide.
  • Other measuring devices e.g. Flow measuring devices, etc. are conceivable, wherein the measuring device can also have a plurality of sensors at different locations in a suitable manner.
  • the measuring device can be used to determine the change in the gas molecule quantity.
  • it may be expedient to detect the states before and after the change of the gas molecule amount in the interior. For example, is a detection of the pressure change conceivable, with other changes are detectable.
  • the comparison value is then to be correlated with the filling level, which was assigned in advance to the comparison value.
  • the assignments may e.g. in the form of tables or parameter equations. Accordingly, if a comparison value was determined in the later actual measurement method, the associated fill level can be determined in a simple manner with the aid of the previously determined assignments.
  • the filling line can be placed on the vessel.
  • a corresponding marking device with the information about the level, so the altitude (vertical position) of the filling line are supplied, so that the marking device attaches the filling line to the particular vessel.
  • the measuring procedure must then be followed in each case, so that the filling line can be applied at the correct height for each vessel individually.
  • the volume marked by the filling line for the vessel corresponds with high accuracy to the actual volume. If, for example, a fill line for 0.2 l is to be attached to a drinking glass, the method according to the invention allows the filling line to be adjusted to the correct filling level, depending on the actual filling volume of the drinking glass, which can sometimes vary considerably due to manufacturing tolerances.
  • the invention thus achieves the stated object by virtue of the fact that, as a first step, all openings of the vessel are closed in a gastight manner relative to the surroundings, and thus the gas molecules within the vessel are delimited from the surroundings.
  • the number of gas molecules N G within the limits defined in the first step be changed by a directly or indirectly determinable or controllable amount AN G.
  • V G k B AN G T G
  • V AN G T G ⁇
  • the temperature before changing the number of gas molecules T G and the temperature after changing the gas molecule number T Gn can be converted into each other as follows:
  • the created comparison value V for the volume V G has the advantage that it does not depend on the total particle number N G.
  • the temperature T G , and its change AT G , and the pressure p G and its change Ap G can be determined or controlled very easily directly or indirectly.
  • the comparison value V is subsequently used to determine the position of the fill line.
  • introducing a chemical substance that generates a directly or indirectly determinable amount of additional gas molecules or reduces the amount of gas molecules For example, a chemical propellant may be used become.
  • a particularly advantageous method for changing the number of gas molecules within the demarcated in the first step range can be implemented using a reference container by prepared as a preparation in the demarcated area with the volume V G or in the reference container from the ambient pressure deviating first gas pressure, which by direct or indirectly measuring, after which the vessel and the reference container are connected to each other in flow and the gas pressure is determined during or after the pressure equalization, after which, evaluating the occurring pressures and temperatures, a comparison value V corresponding to the volume of the vessel is established and a marking is made the position of the vessel is attached, which corresponds to a filling level associated with the comparison value.
  • This formula makes it possible, by determining pressure changes, to calculate the sudden changes in the gas temperature in the vessel and container during pressure equalization.
  • T G1 represents the temperature of the gas molecules present in the vessel after the abrupt temperature change
  • t represents the elapsed time since the pressure equalization was performed
  • T g represents a usually experimentally determined and constant or variable variable over time.
  • T G (t) T Fc + (T G1 - T FG ) - e
  • T R T R
  • T R (t) T PR + (T R1 - T PR ) - e ⁇ * R
  • the measured or approximately calculated temporal temperature profile of the gas molecules in the reference container or in the vessel combined with a measured or approximately calculated time course of the gas pressure p 2 (t) prevailing in the container and vessel after pressure equalization and application of the thermal equation for ideal gases permits at each point in time from the establishment of the pressure equalization, indirectly determine the change in the number of molecules within the limits of the vessel defined in the first step and calculate a comparison value V (t) for the volume of the area defined in the first step at freely selectable times.
  • the time profile of the comparison value for the volume of the vessel V (t) is not constant, but has changes. This is mainly due to the fact that all the pressures and temperatures used in calculating the comparison value and their time profiles are not exactly determined, but only approximately directly or indirectly. can be measured or calculated or simulated directly. For this reason, it is expedient to assess the time profile of the comparison value V (t) according to its reliability and to evaluate comparison values at arbitrary times t x and, for example, to weight them according to reliability.
  • V wk One way to calculate the weighted comparison value V wk is represented by the following equation, where F (tj) represents the calculated comparison value at arbitrary times t t and o t represents an associated arbitrary weighting factor and N represents the total number of weighted values.
  • F (tj) represents the calculated comparison value at arbitrary times t t and o t represents an associated arbitrary weighting factor and N represents the total number of weighted values.
  • gas pressure and gas temperature profiles may also be determined continuously and weighted using the following equation, where o (i) represents an arbitrary time weighting curve and T represents the period of time from when pressure equalization is established and V (t) represents the calculated time course of the comparison value.
  • Both the comparison values V (t) calculated at any desired time t and any kind of weighted comparison values, such as the illustrated comparison values V gew and V gew2, can be used to assign a filling line position.
  • a particularly simple procedure for determining a comparison value V (t) by means of a reference container represents, for example, by sufficiently long waiting for the temperature of the gas in the reference container to be approximately equal to the solid-state temperature of the reference container T FR before the pressure compensation r R1 is established, and the temperature of the gas in the vessel before making the pressure equalization T G1 approximately equal to the solid-state temperature of the vessel 7> G.
  • the temperatures r R1 and T G1 can be determined very simply by measuring the solid-state temperatures.
  • Festkörtemperaturen (especially temperatures of the vessel and the reference container) prevailing gas pressure p 2 can be determined, for example by measurement.
  • the comparison value V can very easily be determined without determining any temperatures or temperatures under these conditions
  • the invention is based on the assumption that at a complete seal between see vessel and reference container and neglecting any auskondensierender humidity, the total number of particles in the enclosed volume is constant at all times.
  • this results in the following relationship between the volume of the vessel V G and that of the reference container V R, each of the first gas pressure p R1 Renz container in refer- and p G1 in the vessel and the second gas pressure p 2, the temperatures T of reference container R and vessel G and the Boltzmann constant k B are considered to be known:
  • a comparison value be determined for a plurality of vessels having a similar shape and the fill level of a predetermined reference volume in these vessels and an association between comparison values and Fill heights is determined. It is particularly advantageous to determine this assignment by regression, whereby due to their simplicity, linear regression or quadratic regression are best used.
  • the comparison between the reference value and the filling line position should be carried out in advance on a calibration procedure using a few vessels (for example 5 vessels or more, advantageously 20-30 vessels).
  • the device may e.g. be set to the measurement of a particular vessel (e.g., a drinking glass) or jar type. Subsequent to the calibration process, the vessels to be measured can then be measured in large numbers.
  • the filling line position calculated for each glass is transferred as an electronic signal to a marking device, which attaches the filling line in the appropriate place.
  • a marking device which attaches the filling line in the appropriate place.
  • Another possibility for producing an association is to evaluate the approximate vessel cross-section in the region of the filler line to be applied and to calculate therefrom a direct association between the comparison value for the vessel volume and the filler stroke position.
  • the method can be further simplified if the first and second gas pressures are measured as a relative gas pressure relative to an ambient pressure and the difference between the two gas pressures normalized to the second gas pressure.
  • the invention proposes that the vessel and the reference container are flowed around by a stream of air at a constant temperature, so that vessel and reference container as quickly and consistently accept the same Festgropertemperatur.
  • the temperature of the air flow or of the vessel and the reference container need not be known, as long as it can be ensured that the vessel and the reference container have the same solid-state temperature.
  • the invention further relates to a device for determining the comparison value for the described method, comprising a reference container, a pressure sensor and a pump, characterized in that the reference container is connected via a control valve with a, provided with a sealing surface vessel closure.
  • a pump is meant in this context, a compressor which can compress gas or air in a suitable manner.
  • a particularly advantageous seal between the vessel to be measured and the vessel closure because on the one hand a seal regardless of the actual position of the vessel with respect to the vessel closure and on the other hand, a seal even with unevenness of the vessel rim is made possible by the sealing surface.
  • the deformability of the sealing surface must be designed for this purpose so that on the one hand compensates for unevenness of the edge of the vessel and on the other hand an excessive sinking of the vessel is avoided in the sealing surface in order not to falsify the comparison value excessively.
  • Particularly advantageous conditions arise in this context when the vessels sit upside down on the sealing surface of the vessel closure. In this case, namely, the own vessel weight provides a seal during placement.
  • the term pump also a compressor for compressible fluids can be understood, which can be performed for example as a vacuum pump.
  • Particularly advantageous conditions result in combination with the abovementioned features when using a vacuum pump.
  • control valve can be designed as a 2x3 / 2-way valve, which selectively connects vessel, reference container and ambient pressure connection, vessel and pump and reference container and ambient pressure connection, vessel and pump with closed reference container and optionally vessel and reference container ,
  • the invention proposes a system in which the devices described are arranged concentrically rotatable and wherein a task and removal station for the vessels to be measured and a device for marking the vessels at the position of the reference volume corresponding fill level is provided.
  • a fan ensures a uniform and rapid temperature control of the vessels and reference container during the process according to the invention, wherein several vessels are measured simultaneously and applied to one or more devices for marking the vessels filling lines on the vessels.
  • a radial blower can be used, around which the devices described are arranged concentrically rotatable, for example on a turntable.
  • the gas molecules located in the interior of the vessel can be isolated into a plurality of separate individual areas and, according to the same procedure, a comparison value for each individual area can be determined.
  • a comparison value for each individual area can be determined.
  • a seal provided with a mandrel can be introduced into a vessel.
  • the mandrel or the sealing rings carried by it must be adapted in this case to the respective inner diameter of the vessel.
  • the inner wall of a vessel type is subject to production-related fluctuations. To compensate for these variations, it may be useful not to perform the sealing ring as a static component, but to make it so that it can be pressed by pneumatic or hydraulic pressure to the inner wall of the vessel.
  • the sealing ring is then suitable to adapt within certain limits to different inner diameters of a vessel.
  • the mandrel for example, at the point to be sealed with a radial groove (circumferential groove) are provided, in which a serving as a sealing ring O-ring is inserted.
  • the cord thickness of the O-ring is chosen so that the following relationship between the cord thickness of the O-ring and the width of the radial groove applies:
  • the space lying between the O-ring and the groove base can be subjected to overpressure by means of a channel located within the dome. As a result, the O-ring is forced radially outward from the radial groove. If the following condition is fulfilled, the O-ring will Pressed nenwandung and seals the above and below the vessel areas from each other.
  • d mandrel _ DS represents the diameter of the dome at the sealing ring position
  • d vessel _ DS represents the diameter of the vessel at the sealing ring position and d cord
  • the line thickness of the O-ring is: dGefäß_DS ⁇ d Dorn DS ⁇ d Line
  • the line thickness of the O-ring, ie the material thickness of the O-ring must be sufficiently large, so that the O-ring the gap between the mandrel and the inner wall of the O-ring Filling the vessel and thus can separate the areas from each other.
  • sealing rings of the interior of the vessel is thus divided into one or more isolated and separate from the environment areas. If e.g. the mandrel carries two sealing rings, two areas can be defined inside the vessel and separated from each other.
  • one or more comparative values are determined. These comparative values, in turn, are correlated with the fill level of a reference volume or with the fill levels of several reference volumes.
  • a first comparison value V for the area B1 and a second comparison value V 2 for the field B2 determined.
  • the fill level of a first reference volume z and / or the fill level of a second reference volume z 2 are determined, for example, by the following equations, where a t , b t , c, d, e t , f t , g 1 , and a 2 , b 2 , c 2 , d 2 , e 2 , f 2 and g 2
  • the filling levels z and z 2 determined in this way can then be used to set respective filling lines.
  • Fig. 1 is a highly simplified block diagram of an apparatus for performing the method according to the invention.
  • FIG. 2 shows a simplified section through a system according to the invention on a smaller scale.
  • An apparatus for carrying out the method according to the invention comprises a reference container 1, a pressure sensor 2 and a pump 3, wherein the reference container 1 is connected via a control valve 4 with a vessel closure 5 for a vessel 6.
  • a sealing surface 7, for example, a flange sealing mat is provided.
  • control valve 4 and the pump 3 are operated via a control unit 8, which evaluates the measurement results of the pressure sensor 2.
  • control valve 4 can be designed as a 2x3 / 2-way valve, the optional vessel 6, reference container 1 and ambient pressure connection 9, vessel 6 and pump 3 and reference container 1 and ambient pressure connection 9, vessel 6 and pump 3 with the reference container closed 1 and optionally vessel 6 and reference container 1 with each other, as will be explained in more detail below:
  • the control valve 4 connects both the vessel 6 and the reference container 1 with an ambient pressure connection 9. Thereafter, the control valve 4 is actuated to connect the vessel 6 with the pump 3 and to close the reference container 1.
  • the vessel 6 is evacuated, for example, whereby the vessel 6 presses against the sealing surface 7 and thereby increases the sealing effect with decreasing gas pressure in the vessel 6.
  • both the vessel 6 and the reference container 1 can be flowed around by a stream of air at a constant temperature in order to ensure an equal temperature of vessel 6 and reference container 1.
  • the air flow can be generated by a blower, not shown.
  • the second gas pressure is determined with the aid of pressure sensor 2 and likewise passed on to control unit 8.
  • the control unit 8 calculates a comparison value V as the reference to a reference pressure difference between the first and second gas pressure and retrieves a filling level of a reference volume associated with this reference value from a reference memory. If necessary, it is also possible to interpolate between stored support values. On the basis of the determined filling level of a reference volume, the control unit 8 activates a device 10 for marking the vessel 6, which then attaches a filling line to the vessel 6 at the position of the filling level corresponding to the reference volume. Then the vessel 6 and the reference container 1 are again connected to the ambient pressure connection 9 and the vessel 6 can be removed from the vessel closure 5 after pressure equalization has taken place.
  • a wine glass (corresponding to a vessel 6) of unknown volume is placed on the sealing surface 7.
  • the vessel interior is connected to a vacuum pump 3.
  • the gas pressure in the glass (p G1 ) is reduced to, for example, 20,000 Pa absolute pressure and the glass is thereby very advantageously pressed against the seal.
  • the reference container is connected to the environment, whereby the gas pressure in the reference container corresponds to the ambient pressure (p R1 ).
  • the ambient pressure is assumed here to be 100,000 Pa.
  • the resulting gas pressure (p G1 ) (20,000 Pa) is measured by means of a pressure sensor 2 and the connection to the vacuum pump is disconnected. 4.
  • the reference container is shut off from the environment and fluidly connected to the vessel interior (the interior of the wine glass).
  • the gas pressure (p 2 ) which is established in the interior of the vessel and the reference container is measured. This may for example be 70,000 Pa.
  • the pressure sensor 2 is now directly connected to the environment and can measure the ambient pressure (p R1 ), here 100,000 Pa. Since the ambient pressure can be regarded as constant within the elapsed time, the pressure measured thereby corresponds to the gas pressure in the reference container before the pressure compensation is carried out (p R1 )
  • steps are carried out in advance in a calibration process for, for example, 20 randomly selected glasses from a single glass batch.
  • each of these glasses is erected and filled with a predetermined reference amount of a liquid.
  • the reference amount may be, for example, 200 ml.
  • the vertical distance z between the edge of the vessel and the resulting liquid level is then measured.
  • the measured vertical distances z are assigned to the respective comparison value V. For glasses with a larger comparison value usually results in a larger vertical distance z.
  • the necessary calculations are carried out directly by the control electronics.
  • the control electronics can directly determine the comparison value and assign it to the filling line position.
  • the filling line can then be attached by a correspondingly controlled marking laser.
  • the filling line position is transferred via a data interface directly to the control of the marking laser.
  • the fill line may be applied using a sandblast signing device.
  • This signing device is provided with an automatically adjustable, mechanical positioning device. This positioning device is adjusted automatically for each glass according to the calculated filling line position z. The embodiment shown in FIG.
  • a system according to the invention comprises a plurality of devices 1 1 according to the invention, which are arranged concentrically rotatable about a radial fan 12 on a turntable 13.
  • the vessels 6 are placed at a non-illustrated task and removal station on the sealing surfaces 7 of the vascular occlusion 5 and go through when rotating about the radial fan 12, the method described above, at the end of a device 10 for marking the vessels at the position of the filling volume corresponding to the reference volume, a filling line is applied to the vessels 6.
  • the entire handling of the vessels 6 can be completely or partially automated.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un procédé de mise en place d'une ligne de remplissage sur un récipient (6), par modification de la quantité de molécules de gaz se trouvant à l'intérieur de ce récipient, et un dispositif associé. Pour permettre, d'une manière simple, la mise en place d'une ligne de remplissage sur un récipient (6) de forme complexe, sans avoir à nettoyer le récipient (6) par la suite et sans avoir à accepter une faible précision de la position de la ligne de remplissage, il est proposé de fermer toutes les ouvertures du récipient (6) de manière étanche aux gaz et de délimiter les molécules de gaz, se trouvant dans le récipient, par rapport à l'environnement. En changeant le nombre de molécules de gaz se trouvant dans cette zone délimitée et en analysant les pressions et les températures ou leurs changements survenant, on définit pour ce récipient une valeur de comparaison qui peut être utilisée pour associer de manière exacte ou approximative la position de la ligne de remplissage.
PCT/EP2018/053034 2017-02-08 2018-02-07 Procédé et dispositif de mise en place d'une ligne de remplissage sur un récipient WO2018146127A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18703778.3A EP3580529A1 (fr) 2017-02-08 2018-02-07 Procédé et dispositif de mise en place d'une ligne de remplissage sur un récipient
MX2019009183A MX2019009183A (es) 2017-02-08 2018-02-07 Metodo y dispositivo para colocar una linea de llenado en un recipiente.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA50100/2017A AT519363B1 (de) 2017-02-08 2017-02-08 Verfahren zum Setzen eines Füllstriches auf einem Gefäß
ATA50100/2017 2017-02-08
DE102017110379.1A DE102017110379B4 (de) 2017-02-08 2017-05-12 Verfahren und Vorrichtung zum Setzen eines Füllstriches auf einem Gefäß
DE102017110379.1 2017-05-12

Publications (1)

Publication Number Publication Date
WO2018146127A1 true WO2018146127A1 (fr) 2018-08-16

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Country Link
EP (1) EP3580529A1 (fr)
AT (1) AT519363B1 (fr)
DE (1) DE102017110379B4 (fr)
MX (1) MX2019009183A (fr)
WO (1) WO2018146127A1 (fr)

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CN109813388A (zh) * 2019-01-01 2019-05-28 中国人民解放军63653部队 一种测量马口铁包装容器综合性能的方法及装置

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CN115086386A (zh) * 2022-05-12 2022-09-20 长沙朗源电子科技有限公司 一种智能水杯控制方法、智能水杯、设备及存储介质

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CN109813388A (zh) * 2019-01-01 2019-05-28 中国人民解放军63653部队 一种测量马口铁包装容器综合性能的方法及装置
CN109813388B (zh) * 2019-01-01 2020-12-04 中国人民解放军63653部队 一种测量马口铁包装容器综合性能的装置及方法

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AT519363A4 (de) 2018-06-15
EP3580529A1 (fr) 2019-12-18
DE102017110379A1 (de) 2018-08-09
DE102017110379B4 (de) 2019-02-07
AT519363B1 (de) 2018-06-15

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