WO2023215926A1 - Dispositif de fabrication d'emballages scellés à deux couches ou multicouches, sous vide et/ou exposés à un gaz protecteur pour produits alimentaires - Google Patents

Dispositif de fabrication d'emballages scellés à deux couches ou multicouches, sous vide et/ou exposés à un gaz protecteur pour produits alimentaires Download PDF

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Publication number
WO2023215926A1
WO2023215926A1 PCT/AT2023/060151 AT2023060151W WO2023215926A1 WO 2023215926 A1 WO2023215926 A1 WO 2023215926A1 AT 2023060151 W AT2023060151 W AT 2023060151W WO 2023215926 A1 WO2023215926 A1 WO 2023215926A1
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WO
WIPO (PCT)
Prior art keywords
conveyor unit
layer
welding
gassed
packed
Prior art date
Application number
PCT/AT2023/060151
Other languages
German (de)
English (en)
Inventor
Constantin KUCHLER
Valentina Kuchler
Original Assignee
S.A.M. Innovations Gmbh & 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 S.A.M. Innovations Gmbh & Co Kg filed Critical S.A.M. Innovations Gmbh & Co Kg
Publication of WO2023215926A1 publication Critical patent/WO2023215926A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
    • B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/065—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat
    • B65B25/067—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat combined with its conservation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/068—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of cheese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/148—Hand-operated members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors

Definitions

  • the invention relates to a device for producing two- or multi-layer vacuum-packed and/or gassed with protective gas film packaging for food, in particular in the form of cold cuts, comprising a treatment chamber having a hood-shaped upper part and a lower part, the upper and lower parts being positioned relative to one another between an open one Loading position and a closed operating position can be moved, as well as a welding device arranged in the chamber for welding the individual film layers together.
  • the applicant's previous cold cuts and packaging systems produce fresh cold cuts of, for example, sausage and/or cheese, often in the area of deli counters directly in the customer area and pack them in two- or multi-layer transparent film packaging made from individual sheet film sections welded together.
  • a lower individual sheet film is placed as the first layer, the clippings are then placed on top and at least a second layer in the form of another individual sheet film is placed on top and the two layers are welded together.
  • the simple welding also allows oxygen to enter the packaging, which means that the goods no longer have a shelf life, in contrast to conventional self-service goods, which are packaged in a protective atmosphere.
  • the oxygen supply causes the goods to turn gray quickly within a few hours. It is then no longer possible to sell such unsightly packaging.
  • Completely sealed packages that have been packaged under a modified atmosphere are therefore increasingly preferred.
  • So-called “Modified Atmosphere Packaging (MAP) packages can be sold in a longer period than the current 1-3 days without graying or fading of the goods.
  • MAP Modified Atmosphere Packaging
  • the object of the present invention is therefore to create contemporary packaging for sausage and cheese in the food trade by realizing a new, compact, fully automatic packaging device, which can also be used in supermarkets and can be integrated into existing systems with slicers in the customer area. It should be possible to produce multi-layer MAP packs of, for example, sausage or cheese, individually and at the customer's request, in a very small space. In addition to its compact design, the device should also be inexpensive to purchase and quiet in operation. Unnecessary packaging waste should be avoided and the device should be easy to use and easy to clean.
  • the device is designed for the processing of individual sheet films that have been cut in advance to the pack size and therefore a feed conveyor unit is provided, which is arranged laterally next to the lower part, and a further conveyor unit is provided within the lower part, which is connected to the feed conveyor unit can preferably be driven synchronously via a common drive in order to transport prepared packs of multi-layered individual sheet films with food located between the film layers completely into the chamber and out again for treatment.
  • film webs are always used, which are stretched from a dispenser roll to a waste roll, these film webs being passed through the fumigation space and a punch.
  • the gassing chamber usually consists of an upper part and a lower part, between which the at least two film webs with the product in between are clamped and vacuumed and gassed.
  • the synchronously running conveyor unit arranged in the lower part of the treatment chamber takes over the entire packaging and transports it to the middle of the chamber, after which the vacuuming, gassing and welding process is carried out.
  • the finished MAP pack is then transported back out of the treatment chamber by the conveyor unit.
  • Either a further delivery conveyor unit or, for example, a chute can be arranged in the outlet area, via which the finished MAP packs are transported further.
  • the hood-shaped upper part can be lowered or raised along guides aligned normally to the lower part, with a continuous sealing surface being formed in the lowered operating position between the upper edges of the lower part and the lower edges of the upper part.
  • three or four guide rods can be provided for the hood-shaped upper part, along which the upper part can be placed on the lower part or lifted from it.
  • the sealing surface can be formed, for example, by a circumferential elastic sealing band, which is arranged on the upper part or lower part.
  • the upper part can be moved between the loading position and the operating position by means of an electric drive using a toggle lever device.
  • the toggle lever device makes it possible to build up the necessary pressure for the chamber without having to use expensive, structurally larger and, above all, noisy pneumatic or hydraulic cylinders during operation.
  • the toggle lever device can be driven via a spindle using an electric drive and, in the operating position, build up the necessary pressure between the upper and lower parts, which is necessary for gassing.
  • the welding device has a heatable welding frame, which is movably mounted in the upper part and can be moved via a drive between a starting position and a welding position essentially parallel to the direction of movement of the upper part, a counter frame for the welding frame being arranged in the lower part so that the film layers are pressed together around the entire packaging in the welding position between the welding frame and the counterframe.
  • the welding frame can be adjusted, for example, via an electric drive in the same direction as the hood-shaped upper part.
  • the drive is preferably arranged outside the hood-shaped upper part and is connected to the welding frame via guide rods through the upper part, the guide rods being movable relative to the upper part.
  • a further preferred feature of a possible embodiment is that the lower part has a bottom surface and four side walls to form the upper edges for the sealing surface to the upper part, the conveyor unit being fixable together with the counter frame on the bottom surface in the lower part, preferably with the aid of magnetic connections . This means that the counter frame together with the conveyor unit can be completely removed from the lower part and the lower part can be easily cleaned.
  • the transport level of the packaging on the feed conveyor unit and the conveyor unit is higher than the upper edges of the side walls of the lower part.
  • the prepared packaging consisting of cuttings and individual sheets of film
  • it must be transported over the edge of the lower part. Therefore, at least the last roller of the feed conveyor unit in the conveying direction and the first and last roller of the conveyor unit located in the lower part must be designed such that the actual transport level of the packaging lies above the upper edge of the side walls of the lower part. It is also useful if guide ramps are arranged in sections in the transfer area, which additionally prevent the edges of the individual sheet films from getting caught on the side walls.
  • the conveyor unit has a holding frame for the storage of at least four conveyor rollers and for the counterframe, with two conveyor rollers being arranged outside the counterframe and two conveyor rollers within the counterframe and one below the other via conveyor belts and/or drive belts are coupled to one another, and one of the external conveyor rollers can be connected to a drive shaft projecting through the lower part to the outside by means of a releasable coupling, whereby all conveyor rollers can be driven in the same direction via the one drive shaft.
  • a conveyor unit with a counter frame can be created very easily, which is a compact component that can be easily removed for cleaning. Because the conveyor device only has to be coupled to the drive shaft at one point, the entire interior of the lower part can be designed to be essentially flat, which facilitates easy cleaning.
  • the lower part can be pushed out or removed like a drawer from the device in a maintenance position, the drive shaft protruding from the lower part preferably being able to be coupled or decoupled via at least one gear with a common drive for the feed conveyor unit.
  • the gear for the coupling to the common drive like the gear of the drive with which it can be brought into engagement, can have chamfers of the teeth facing one another, so that the teeth of the two gears center themselves and are guided into one another when they are pushed together laterally during the coupling process become. This easily avoids misalignments during the coupling process.
  • FIG. 1 shows a schematic side view of a possible embodiment of a device according to the invention
  • 2 shows a top view of the lower part of a further possible embodiment of a device according to the invention
  • 3 shows a schematic side sectional view through the device from FIG. 1 in the open loading position
  • 4 shows a schematic side sectional view through the device from FIG. 1 in the closed operating position
  • Fig. 5 is a schematic side sectional view through the device from Fig. 1 in the closed operating position during the welding process
  • Fig. 6 is a schematic exploded view of a possible embodiment of the lower part with conveyor unit.
  • FIG. 1 A first possible embodiment of a device according to the invention is shown schematically in a side view in FIG.
  • the treatment chamber 3 (see FIGS. 3 to 5) is formed by a hood-shaped upper part 1 and a lower part 2. Gas lines (not shown) lead into this treatment chamber 3 and are used to vacuum the chamber 3 and to introduce protective gas.
  • Fig. 1 the device is shown in the open loading position. In this position, a prepared food package consisting of two or more layers of individual sheet films with cold cuts of, for example, sausage and/or cheese in between can be transported via the feed conveyor unit 4 in the direction of the lower part 2.
  • the prepared package is pushed by the feed conveyor unit 4 over the upper edge 8 of the lower part into the chamber 3 and taken over in the chamber 3 by the conveyor unit 5, which moves synchronously with the feed conveyor unit 4.
  • This is achieved in a simple manner in that both the feed conveyor unit 4 and the conveyor unit 5 are driven by a common drive 6 via several gears.
  • the conveyor unit 5 also serves to transport the finished vacuumed and/or gassed and welded MAP pack out of the chamber 3 opposite the feed conveyor unit 4, where the finished MAP pack can slide down a slide 27.
  • the hood-shaped upper part 1 can be moved via a toggle lever device 11 along guides 7 aligned perpendicularly to the lower part 2.
  • the toggle lever device 11 is actuated via a drive 10, which drives a spindle, for example, and thus ensures that the hood-shaped upper part 1 is lowered or raised.
  • FIGS. 3 to 5 show a schematic top view of the lower part of a further possible embodiment of a device according to the invention.
  • the hood-shaped upper part 1, which can be moved along the guides 7, is not shown in this view, as is the welding frame 12 (see FIGS. 3 to 5) and the respective drives 10, 13.
  • a further delivery conveyor unit 28 is provided in addition to the feed conveyor unit 4 and the conveyor unit 5 for the further transport of the packaging.
  • the conveyor unit 5 is arranged in the lower part 2 together with a counter frame 14 for the welding frame 12.
  • the counter frame 14 and the welding frame 12 can have several cross struts in order to be able to produce different pack sizes with the device.
  • the entire lower part 2 can be pulled out of the device like a drawer using the handle 30 and removed for maintenance and cleaning.
  • FIG. 3 to 5 show the individual positions of the device in more detail in schematic sectional views.
  • the device is shown in the open loading position.
  • a schematically drawn housing 31 is provided to protect the entire upper part from access by the user and, above all, to cover the entry area and exit area of the packs during operation before lowering the upper part in order to prevent injuries.
  • the prepared packs of multi-layer individual sheet films which come, for example, from a slicer with a film dispenser, are brought to the lower part 2 on the feed conveyor unit 4 in the transport level 18.
  • the upper edges 8 of the lower part 2 are lower than the transport level 18, so that the prepared package can be easily transported over it and taken over by the conveyor unit 5.
  • the conveyor unit 5 transports the prepared package to the middle of the treatment chamber 3 and stops there.
  • the hood-shaped upper part 1 is then lowered via the drive 10 of the toggle lever device 11 until the position according to FIG. 4 is reached.
  • the lower edges 9 of the upper part 1 meet the upper edges 8 of the lower part 2 and form a circumferential sealing surface, whereby the treatment chamber 3 is now sealed.
  • a vacuum can now be created in the chamber 3 via the gas lines and a protective gas can then be introduced via the same or additional gas lines.
  • an overpressure arises in the treatment chamber 3, which is why a corresponding counterpressure must be maintained so that the chamber 3 remains sealed for the entire process.
  • this counterpressure can also be maintained in a simpler manner, with a cheaper and quieter electric drive 10 being able to be used to adjust the toggle lever device.
  • FIG. 5 shows the position with the welding frame 12 lowered.
  • the welding frame 12 is moved between a starting position and a welding position via a drive 13 located above the hood-shaped upper part 1.
  • the welding frame 12 is connected to the welding frame 12 via guide rods 29.
  • the guide rods 29 are passed through the upper part 1 and are movable relative to it.
  • the welding frame 12 is pressed onto the counter frame 14 in the lower part 2 and heated, whereby the films are welded together.
  • the welding frame 12 is then raised again via the drive 13 and the hood-shaped upper part 1 is moved back into the loading position according to FIG. 3.
  • the finished MAP pack can now be moved out of the treatment chamber 3 via the conveyor unit 5 and delivered to the chute 27.
  • the shop-shaped lower part 2 has an essentially flat bottom surface 15 and circumferential side walls 16.
  • the lower part 2 can be inserted into or removed from the device using a handle 30.
  • the counter frame 14 is also fixed in a holding frame 19.
  • the holding frame 19 there are also two conveyor rollers 20 arranged outside the counter frame 14 and two conveyor rollers 21 arranged inside the counter frame.
  • One of the outer conveyor rollers 20 can be connected to a drive shaft 25 in the lower part 2 via a coupling 24.
  • the holding frame 19 is also releasably held in position in the lower part 2 via magnetic connections 17 arranged in the bottom surface 15.
  • the outer conveyor roller 20, which can be connected to the clutch 24, is connected to the closest inner conveyor roller 21 via a drive belt 23.
  • the two inner conveyor rollers 21 are connected to one another by means of conveyor belts 22 and the second inner conveyor roller 21 is connected to the second outer conveyor roller 20 again via a drive belt 23. All conveyor rollers 20, 21 can thus be driven synchronously via the drive shaft 25.
  • the entire conveyor unit 5 can be easily removed from the lower part 2 and both the conveyor unit 5 and the lower part 2 can be easily maintained and cleaned.
  • the drive shaft 25 in the lower part is connected via a gear to another gear 26, which serves for coupling to the drive 6 of the device.
  • the gear 26 creates the coupling between the conveyor unit 5 and the drive 6 as well as between the feed conveyor unit 4 and the drive 6 when it is pushed in, whereby both can be operated by means of a common drive 6. So that the coupling takes place without problems in any gear position, the teeth of the gear 26 as well as the teeth on the gears on the drive 6 and on the feed conveyor unit 4 are laterally chamfered in the relevant coupling areas, as a result of which they center themselves and slide into one another.

Abstract

L'invention concerne un dispositif de fabrication d'emballages scellés à deux couches ou multicouches, sous vide et/ou exposés à un gaz protecteur pour produits alimentaires, en particulier sous la forme de parties découpées, comprenant une chambre de traitement (3) présentant une partie supérieure (1) en forme de capot et une partie inférieure (2), la partie supérieure (1) et la partie inférieure (2) étant mobiles l'une par rapport à l'autre entre une position de chargement ouverte et une position de fonctionnement fermée ; ainsi qu'un dispositif de soudage disposé dans la chambre (3) pour souder les différentes couches de film les unes aux autres. Le dispositif est conçu pour traiter des films à feuille unique qui ont été préalablement coupés selon une taille d'emballage, et ainsi une unité de transport d'alimentation (4) est utilisée et disposée latéralement à côté de la partie inférieure (2), et une autre unité de transport (5) est prévue à l'intérieur de la partie inférieure (2), laquelle peut être entraînée de manière synchrone avec l'unité de transport d'alimentation (4) de préférence par l'intermédiaire d'un entraînement commun (6), afin de transporter les emballages préparés constitués de films à feuille unique multicouche et comprenant les produits alimentaires situés entre les couches de film complètement dans la chambre (3) à des fins de traitement et transporter ceux-ci hors de la chambre.
PCT/AT2023/060151 2022-05-12 2023-05-10 Dispositif de fabrication d'emballages scellés à deux couches ou multicouches, sous vide et/ou exposés à un gaz protecteur pour produits alimentaires WO2023215926A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA60067/2022A AT525795B1 (de) 2022-05-12 2022-05-12 Vorrichtung zur Herstellung von zwei- oder mehrlagigen vakuumierten und/oder mit Schutzgas begasten Folienverpackungen für Lebensmittel
ATA60067/2022 2022-05-12

Publications (1)

Publication Number Publication Date
WO2023215926A1 true WO2023215926A1 (fr) 2023-11-16

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PCT/AT2023/060151 WO2023215926A1 (fr) 2022-05-12 2023-05-10 Dispositif de fabrication d'emballages scellés à deux couches ou multicouches, sous vide et/ou exposés à un gaz protecteur pour produits alimentaires

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AT (1) AT525795B1 (fr)
WO (1) WO2023215926A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901219A1 (de) * 1969-01-10 1970-07-30 Windmoeller & Hoelscher Verfahren und Vorrichtung zum Verpacken von festen Warenportionen in Packungen aus thermoplastischer Kunststoffolie
DE2813560A1 (de) * 1977-03-30 1978-10-05 Tex Innovation Ab Vorrichtung zum verpacken eines guts
JPS5454563U (fr) * 1977-09-24 1979-04-16
EP1772384A1 (fr) 2005-10-07 2007-04-11 VARIOVAC PS SystemPack GmbH Machine et procédé pour fabriquer des emballages à plusieurs couches de feuilles.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216210A1 (de) * 1992-05-15 1993-11-18 Multivac Haggenmueller Kg Arbeitsstation mit einem Oberteil und einem relativ dazu bewegbaren Unterteil
IT1316348B1 (it) * 2000-02-04 2003-04-10 Mauro Scolaro Apparecchiatura per il confezionamento sotto vuoto o in atmosferamodificata di prodotti, particolarmente per prodotti alimentari e
AT411584B (de) * 2002-07-12 2004-03-25 Kuchler Fritz Aufschnittschneidemaschine
WO2004045951A1 (fr) * 2002-11-19 2004-06-03 Ilapak Machine Automatiche S.A. Installation et dispositif pour emballer en continu des produits alimentaires en atmosphere modifiee
DE102009008452B3 (de) * 2009-02-11 2010-10-07 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit einer Arbeitsstation, die ein elektrisches Hubwerk mit Grob- und Feinhub aufweist

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901219A1 (de) * 1969-01-10 1970-07-30 Windmoeller & Hoelscher Verfahren und Vorrichtung zum Verpacken von festen Warenportionen in Packungen aus thermoplastischer Kunststoffolie
DE2813560A1 (de) * 1977-03-30 1978-10-05 Tex Innovation Ab Vorrichtung zum verpacken eines guts
JPS5454563U (fr) * 1977-09-24 1979-04-16
EP1772384A1 (fr) 2005-10-07 2007-04-11 VARIOVAC PS SystemPack GmbH Machine et procédé pour fabriquer des emballages à plusieurs couches de feuilles.

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AT525795B1 (de) 2023-08-15

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