Method and device for labeling products in reusable containers

EP4623397A1Pending Publication Date: 2025-10-01TARETAG GMBH +1
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Patent Information

Application Number
EP2023814117
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-04-04
Filing Date
2023-11-23
Publication Date
2025-10-01

AI Technical Summary

Technical Problem

Reusable containers for loose products face challenges in reliable labeling and tracking due to environmental impacts of glued paper labels, which hinder product information tracing and compliance with consumer protection regulations.

Method used

A method and system for labeling reusable containers using a unique ID identifier, scanning technologies (like barcodes or 2D codes), and databases to create digital labels that link container and product information, enabling tracking and compliance with legal requirements.

Benefits of technology

Ensures safe, reliable identification and tracking of reusable containers and their contents, reducing environmental impact while meeting legal standards through digital labeling accessible via mobile devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a method for labeling reusable containers, preferably for loose products, having the steps of reading out an ID identification which is connected to a reusable container, reading-in and / or ascertaining information, said information comprising reusable container information of a deposit value and / or a deposit status and / or product information of a loose product, assigning the read-in or ascertained information to the read-out ID identification, and generating a label. The invention additionally relates to a system for labeling reusable containers, preferably for loose products, comprising a first controller, a first ID identification scanner, a first database, a first measuring device, and a second database.
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Description

[0001] METHOD AND DEVICE FOR LABELING

[0002] PRODUCTS IN MULTIPLE CONTAINERS

[0003] The invention relates to a method for labelling reusable containers for loose products, comprising the following process steps

[0004] - Reading an ID identifier of a reusable container

[0005] Reading and / or determining information, where the information includes container information such as deposit value or deposit status and / or product information of a product

[0006] Assign the read or detected information to the ID identifier and create a label.

[0007] The invention further relates to a system for labeling reusable containers with a first controller, a first ID scanner, a first database, a first measuring device and a second database.

[0008] State of the art

[0009] Reusable containers are well known and are being used more and more, as demand is increasing and legal requirements are moving away from disposable packaging.

[0010] To meet these requirements, reusable containers must be much more stable and include additional features that disposable packaging does not have, including transport strength, stackability, improved cleaning options, secure closures, and much more.

[0011] Products packaged in reusable containers are labeled with glued paper labels under current consumer protection regulations, which cause significant environmental pollution during the manufacturing and cleaning processes. This labeling requirement does not apply to loose products that consumers fill into reusable containers themselves or have filled. This makes it impossible to subsequently verify the product information.

[0012] It is therefore an object of the present invention to provide a method for labeling reusable containers, preferably for loose products, with which a label for identifying a reusable container can be created safely and reliably and which ensures the tracking of a reusable container and / or its contents.

[0013] Furthermore, it is an object of the present invention to provide a system for labeling reusable containers, preferably for loose products, with which a label for identifying a reusable container can be created safely and reliably and which ensures the tracking of a reusable container and / or its contents.

[0014] Description of the invention

[0015] The stated object is achieved by means of the inventive method for labeling reusable containers, preferably for loose products, according to claim 1. Further advantageous embodiments of the invention are set out in the subclaims.

[0016] The inventive method for labeling reusable containers, preferably for loose products (synonym "product"), comprises four process steps: In the first process step, an ID tag associated with a reusable container is read. Each individual reusable container has a unique ID tag, which is read electronically using a scanner.

[0017] In the second process step, information is read out and / or determined. This information includes reusable container information such as a deposit value, a deposit status, a tare weight and / or product information. The deposit value of a reusable container depends, for example, on the size and type of the reusable container (suitable for solid, liquid or gaseous products, special closures, etc.). The deposit status indicates, for example, whether the reusable container has already been used, returned, cleaned and / or whether the customer has paid the deposit or not. The reusable container information is read out by a first controller and stored in a database. The product information includes information such as the type, quantity, price, ingredients and much more of the loose product filled and / or stored in the reusable container. Some of the product information is read in or determined from a database, e.g. using a scale.

[0018] In the third step, the read or determined information is assigned to the ID identifier. Reusable container information and product information are assigned to the ID identifier of the reusable container. This link allows the product in the reusable container to be uniquely identified via the ID identifier of the reusable container.

[0019] The fourth step in the process involves creating a label. The label is created individually for each reusable container containing loose product, preferably in digital form and in such a way that a user can view the label using a mobile electronic device such as a smartphone with a suitable app.

[0020] For the purposes of this invention, a reusable container refers to any type of container and packaging. These are trading, loading, or packaging units for goods distribution. A reusable container also serves to hold and / or combine products of the same or different types for bundled handling. A reusable container is defined as an outer shell or (partial or complete) wrapping of an item or group of items, particularly for its protection or improved handling. This also includes primary and secondary containers.

[0021] In a further development of the invention, reading the ID identifier involves scanning a barcode and / or 2D code, such as a QR / Data Matrix code. The barcode and / or 2D code is unique for each reusable container. Each reusable container can therefore be uniquely identified by its barcode and / or 2D code. Reading is performed using a scanner, e.g., a smartphone with suitable optics and a suitable app. Alternatively, other ID identifiers, such as electromagnetic identifiers or other optical identifiers, can also be used.

[0022] In a further embodiment of the invention, the barcode and / or 2D code is fixed to the reusable container. In a further configuration of the invention, the barcode and / or 2D code is permanently fixed to the reusable container. Therefore, the barcode and / or 2D code cannot be intentionally or inadvertently removed from the reusable container.

[0023] In a further embodiment of the invention, information assigned to the ID identifier is read from a database. In a further aspect of the invention, the read information comprises the tare weight and / or the deposit value as well as the deposit status. In addition, further information is linked to the ID identifier. The information about the tare weight of the reusable container is required to record the exact weight of the product to be stored in the reusable container. The deposit value of the reusable container depends, for example, on its type and size. The information about the deposit value is required to determine the price of the reusable container and the food contained therein. The information about the deposit status is required, for example, to enable the deposit value to be paid in or paid out.

[0024] In a further embodiment of the invention, the information assigned to the ID comprises variable information and protected information. Protected information is information that cannot be changed by a user, but only by an operator of the system according to the invention. Variable information is changeable and / or alterable information. This includes, for example, the type and quantity of the product stored in the reusable container, information about the product stored in the reusable container, and / or information that, for example, various participants in a supply chain up to the consumer can change using an appropriate tool.

[0025] In a further development of the invention, the protected information includes the tare weight and / or the deposit value. The information about the tare weight of the reusable container is required to record the exact weight of the food to be stored in the reusable container. The deposit value of the reusable container depends, for example, on the type and size of the reusable container. The information about the deposit value is required to determine the price of the reusable container and the food it contains.

[0026] In a further embodiment of the invention, the variable information includes the deposit status. The information about the deposit status is required to enable the deposit value to be paid in or paid out. In a further embodiment of the invention, the variable information includes the product information. The product information is required to comply with legal requirements for product labeling.

[0027] In a further embodiment of the invention, part of the product information is measured. In particular, the quantity of food to be stored in the reusable container is measured, e.g., as weight and / or volume.

[0028] In a further embodiment of the invention, the product information comprises measured data, recorded data, read-out data, and / or calculated data. In a further configuration of the invention, the product information is loaded into a controller from different sources. The quantity of the product to be stored in the reusable container is measured, for example, using a scale, a flow meter, and / or a camera with appropriate image recognition software. A user input, for example, records the type and price per unit of quantity of the product to be stored in the reusable container. The type and price per unit of quantity of the food can also be read from a database when a user scans a barcode of the food assigned to the barcode. The weight orThe volume of the product stored in the reusable container is calculated by comparing the total weight of the reusable container with the product contained therein, measured using a scale, with the tare weight of the reusable container. In a further development of the invention, part of the product information is read from a second database. In particular, the price per unit of the product stored in the reusable container is read from a second database.

[0029] In a further embodiment of the invention, the reusable container information includes the tare weight and / or the deposit value, with the reusable container information being stored in the ID and / or entered. Each reusable container has reusable container information, which is typically stored in a database and read by a first controller. The reusable container containing a product can therefore be uniquely identified by the reusable container information linked to the ID.

[0030] In a further embodiment of the invention, the product information is combined into a single data packet. In a further aspect of the invention, the product information is combined into multiple data packets. In a further embodiment of the invention, the data packets are stored in multiple databases. The databases are each connected to different systems, e.g., a recording system for recording the product information, a cash register system for paying for the reusable container with the product stored therein, and a return system for returning the reusable container, in which the deposit value is recorded upon return and credited to a user.

[0031] For the purposes of this invention, a database also represents a database area. Several databases or database areas can be combined into one database. Different databases and / or database areas can differ with regard to access rights for reading and / or writing to the database, the type of information stored in the database, and / or the storage location.

[0032] In a further embodiment of the invention, part of the product information is stored in two databases. In particular, data on the type and quantity of the product stored in the reusable container, the price per unit, and the total price of the product are stored in two databases, with one database connected to a cash register system. The other database is accessible via a public network such that a user can access the database at any time.

[0033] In a further embodiment of the invention, the ID and the product information are stored in two, and preferably three, databases. The product information linked to the ID allows the reusable container and the product contained therein to be uniquely identified. One database is connected to a cash register system. Another database is accessible via a public network in such a way that a user can access the database at any time.

[0034] In an advantageous embodiment of the invention, product information can be accessed using the ID. In particular, a user can access the product information of the product contained in the reusable container at any time using mobile electronic devices such as smartphones with a suitable app.

[0035] In a further embodiment of the invention, the first database is connected to a cash register system. The product information includes, among other things, the price of the product contained in the reusable container. By connecting the first database to a cash register system, a user can pay for the reusable container containing the product.

[0036] In a further embodiment of the invention, the third database is accessible via a public network. In particular, a user with a mobile device, e.g., a smartphone with a suitable app, can access the product information of the product contained in the reusable container at any time.

[0037] In a further development of the invention, a data record for the ID identifier is created in a database. Reusable container information and product information are linked to the ID identifier of a reusable container and created as a coherent data record in a database. The ID identifier with the associated reusable container, as well as the associated reusable container information and product information, are thus clearly identifiable.

[0038] In a further aspect of the invention, the data set is stored in the first database and / or the second database. One database is connected to a cash register system. Another database is accessible via a public network such that a user can access the database at any time.

[0039] In a further embodiment of the invention, additional information is assigned to the ID data set. This additional information includes at least the legally required information, such as a best-before date and / or nutritional information, but possibly also much more.

[0040] In a further embodiment of the invention, the tare weight of a reusable container is assigned to the stored ID. In particular, the tare weight of the reusable container stored in the database connected to a cash register system is assigned to the data set. This enables a correct calculation of the price of the reusable container with the product contained therein, for example, based on the recorded weight and the price of the product per unit of weight or volume.

[0041] In a further aspect of the invention, the tare weight is determined. A user records the weight of an empty reusable container using a scale and assigns it to the ID. In a further development of the invention, the tare weight is read from the ID.

[0042] In a further embodiment of the invention, the label is a digital label. The label is present as a digital data set that is stored in databases and, in particular, is viewable by a user. In a further embodiment of the invention, the label is stored in the first database. The first database is connected to a recording system with which the ID of the reusable container, as well as reusable container information and product information, can be recorded. In a further embodiment of the method according to the invention, the label is printed and attached to the reusable container.

[0043] The task is still solved by means of the system for labeling reusable containers for products.

[0044] The system according to the invention for labeling reusable product containers comprises a first controller. The system can be controlled by means of the first controller using a method for labeling reusable containers and, for this purpose, comprises a memory and a suitable app.

[0045] The system for labeling reusable containers also includes a first ID scanner and a first database. The ID scanner captures the ID assigned to each individual reusable container and stores it in the first database. The ID is located on the reusable container using a barcode and / or 2D code.

[0046] The system for labeling reusable containers also includes a first measuring device and, optionally, a second database. The first measuring device measures the quantity and / or weight of the product to be filled and stores it in the second database.

[0047] In a further development of the invention, the first scanner, the first measuring device and the first database as well as the second database are connected to the first controller and are controlled thereby.

[0048] In a further embodiment of the invention, the system has a second controller. The second controller is connected to a cash register system and controls its components. In a further embodiment of the invention, the second controller is connected to a second scanner. A label of the reusable container can be detected using the second scanner.

[0049] In a further aspect of the invention, the second scanner is part of a cash register system. In a further development of the invention, the cash register system is connected to the second database. The second database contains reusable container information and product information.

[0050] In a further embodiment of the invention, the first controller is connected to the first scanner. In a further embodiment of the invention, the first controller is connected to the first, second, and / or third database. The data records generated by the first controller can be sent to the first, second, and / or third database. In return, data records can be received by the first controller from the first, second, and / or third database.

[0051] In a further embodiment of the invention, the second controller is connected to a smaller number of databases than the first controller. The second controller is connected to the second database, while the first controller is connected to the first, second, and third databases.

[0052] In an advantageous embodiment of the invention, the third database is accessible via a public network. The third database contains the type and quantity of the product contained in the reusable container, as well as other product information. In particular, a user can access the product information of the product contained in the reusable container at any time using mobile electronic devices such as smartphones with a suitable app.

[0053] The reusable container according to the invention has a unique ID identifier. The ID identifier is preferably a 2D matrix code, barcode, and / or QR code that can be read using an optical system. An RFID chip, for example, is also possible. The ID identifier is arranged on the reusable container. In particular, the ID identifier on the reusable container is not changeable.

[0054] In an advantageous embodiment of the invention, the ID identifier is permanently connected to the reusable container.

[0055] In a further embodiment of the invention, the ID identifier of the reusable container can be linked to the contents of the reusable container.

[0056] In a further embodiment of the invention, the ID identifier can be stored with the content linked to the ID identifier.

[0057] In addition to its identification (ID), the content identifier may also contain other data, such as best-before date, origin, date of manufacture, quantity, and price.

[0058] Advantageously, the ID of the reusable container can be read using a suitable reader. The reader could be a smartphone, a tablet, or a computer with a camera. Furthermore, the ID can be read using a standard cash register system with a scanner.

[0059] Furthermore, the reader has a suitable app or software program with which the ID of the reusable container can be linked.

[0060] In a further embodiment of the invention, the reading device is connected to a database in which information about the reusable container and / or the contents of the reusable container is stored.

[0061] In a further advantageous embodiment of the invention, the APP or the software program accesses the information in the database.

[0062] The storage location of the reusable container's ID and the content associated with the ID is a database. In a preferred embodiment, the storage location of the reusable container's ID and the content associated with the ID is locally limited, e.g., to a user's smartphone or a network.

[0063] In a further development of the invention, identification is performed by reading a barcode, an RFID chip, or via NFC. Identification is performed, for example, by reading a barcode located on the terminal device and / or gateway. The terminal device and / or gateway can also have an RFID chip, the identifier of which is read by a reader based on Near Field Communication (NFC).

[0064] A user, a food producer, or a retailer can, for example, fill the reusable container according to the invention with a food item, read the ID of the reusable container using a reader, and store it in the memory of the reader or a connected network. Information about the contents of the reusable container is then assigned to the ID in the memory of the reader and / or network and also stored.

[0065] By reading the ID located on the reusable container, the app or software program accesses the database and displays information about the food contained in the respective reusable container.

[0066] In the case of a grocery retailer's POS system, for example, this includes the product description as well as the price and deposit value of the reusable container. In the case of the customer, this includes the purchase date and best-before date (BBD).

[0067] Description of the embodiments

[0068] Embodiments of the method according to the invention for labelling

[0069] Reusable containers for products and the system according to the invention for labelling reusable containers for products are shown in a simplified schematic form in the drawings and are explained in more detail in the following description.

[0070] They show:

[0071] Fig. 1 : Input system, two separately arranged databases

[0072] Fig. 2: Input system, first and second database in unit

[0073] Fig. 3: Input system, two separately arranged databases

[0074] Fig. 4: Input system, three separately arranged databases

[0075] Fig. 5: System for labeling reusable containers

[0076] Fig. 1, Fig. 2 and Fig. 3 show views of embodiments of an input system E. The input system E is part of a system S according to the invention for labeling reusable containers, preferably for loose products such as food or screws and / or care products.

[0077] The input system E has a first controller C1 which is connected to the first database DB1, the first ID scanner SC1 and the first measuring device IN1. The first controller C1, the first database DB1 and the first measuring device IN1 are arranged in the input system E (Fig. 1). The second database DB2 is arranged externally at a distance from the input system E and is also connected to the first controller C1. In one variant of the input system E, the first database DB1 and the second database DB2 are arranged as a structural unit outside the input system E (Fig. 2). In a further variant, the first database DB1 and the second database DB2 are arranged separately from one another outside the input system E (Fig. 3).

[0078] To label reusable containers, which are used, for example, for storing food, the ID associated with the reusable container is read. Each reusable container has an individually assigned, permanent ID. The ID of each individual reusable container is stored in the first database DB1. The ID is assigned to a reusable container by an operator of system S, who has read and write access to the first database DB1. The ID is read from the first database DB1 by the first controller C1.

[0079] The ID identifier is in the form of a barcode and / or a QR code and is permanently attached to the reusable container or is clearly visible to user C. The ID identifier of a reusable container is also linked to information about the tare weight of the reusable container and information about its deposit value and / or its deposit status, which are assigned to the reusable container. The operator creates a first data packet in the first database DB1 containing the ID identifier and tare weight of a reusable container. The information about the tare weight and deposit value of the first data packet is protected information that is not accessible via a public network, in particular not to user C.

[0080] This is followed by reading in and / or determining information, wherein the information includes reusable container information, a deposit value of the reusable container and its tare weight, its deposit status and product information of a product stored or to be stored in the reusable container. Using the first scanner, the ID of the reusable container is recorded by reading the barcode and / or the QR code that a user C has selected for storing a product. The product information includes in particular the type of product and its weight or volume as well as its price per unit of weight or volume. This product information is variable information and is available via a public network, in particular to a user e.Part of the product information, namely the type and weight of the product to be stored in the reusable container, is entered and measured using the first measuring device IN1, which in this embodiment is a scale, sent to the first controller C1 and stored by the first controller C1 in the second database DB2. The price per unit of weight of the product is loaded from the first database DB1 into the first controller C1 and stored in the first controller C1. The product information (type and weight of the product, price per unit of weight) is combined in the first controller C1 into two second data packets. A second data packet is stored in the first database DB1 and another second data packet is stored in the second database DB2.On the first controller C1, the reusable container information (deposit value, tare weight, deposit status) and the product information (type and price of the product, price per weight unit) are assigned to the ID identifier of the reusable container and linked to the ID identifier. In addition, further information is assigned to the ID identifier, in particular the legally required information. This assigned information is also variable and depends on the type of product. Finally, a label is created by the first controller C1. The label contains the reusable container information and the product information as well as the further information assigned to the ID identifier for a user C, in particular the price of the product. The created label is digital, i.e. the label is saved on the first controller C1 as a file in a standardized and advantageously forgery-proof file format, e.g. as an XML or CSV file.

[0081] Fig. 4 shows a further embodiment of an input system E as part of a system S for labeling reusable containers. As in the previous embodiments (see Fig. 1, Fig. 2, Fig. 3), the input system E has the first measuring device IN1, which is connected to the first controller C1. The first measuring device IN1 is also a scale. However, the first measuring device IN1 can also be a volume measuring device or flow meter for recording the filled volume of liquids such as shampoo. The first ID scanner SC1 is also connected to the first controller C1.

[0082] The first database DB1, the second database DB2, and the third database DB3 are each located separately from each other outside the input system E and connected to the first controller C1. The third database DB3 is accessible via a public network.

[0083] Fig. 5 shows an embodiment of a system S for labeling reusable containers. The system S has the input system E and the cash register system K. The input system E has the first measuring device IN1 (scale) and the first scanner SC1, which are connected to the first controller C1. The cash register system K has the second scanner SC2 and the second database DB2, both of which are connected to the second controller C2. The second database DB2 is additionally connected to the first controller C1 of the input system E. The first database DB1 and the third database DB3 are arranged separately from the input system E and the cash register system K and are connected to the first controller C1.

[0084] To label a reusable container, a user C selects a reusable container and scans its ID using the first scanner SC1. The ID is read and stored in the first controller. From the first database DB1, the first controller C1 loads the first data packet associated with the ID, which contains the reusable container information, including the tare weight, deposit value, and deposit status, for the reusable container identified by the ID.

[0085] User C fills the reusable container with a loose product, such as screws, enters the type of loose product into the first measuring device IN1, and measures the weight of the filled reusable container using the first measuring device IN1. The weight, price per unit of weight, and type of product are assigned to the ID of the reusable container on the first controller C1. In addition, further information is assigned to the ID, in particular the legally required information, such as the material, a preferred area of ​​use, or other application-related information. The first controller C1 creates a digital label containing the reusable container information and the product information, as well as the other information assigned to the ID, for user C, in particular the price of the product.

[0086] This recorded product information (type and price of the product, price per unit of weight, other information) is combined in the first controller C1 into three second data packets. A second data packet is sent to the first database DB1, another second data packet is sent to the second database DB2, and a third second data packet is sent to the third database DB3 and saved in the respective databases DB1, DB2, and DB3. The created label is also sent to the three databases DB1, DB2, and DB3 and saved there. The label can also be printed out and attached to the reusable container.

[0087] The third database, DB3, is accessible via a public network, specifically an internet connection. User C can log into the third database, DB3, at any time using a suitable app (e.g., a smartphone), and view and download the data stored in the second data packet.

[0088] To pay for the reusable container filled with the product, the barcode and / or QR code of the reusable container is scanned with the second scanner SC2 of the POS system K, thus capturing the ID of the reusable container. The ID is sent to the second controller C2 of the POS system K, where it is linked to the second data package stored in the second database DB2. The price of the

[0089] The value of the product packaged in a reusable container, including its deposit value and deposit status, is displayed on a display device connected to the cash register system, and user C can pay for the goods.

[0090] LIST OF REFERENCE SYMBOLS

[0091] C users

[0092] C1 First control

[0093] C2 Second control

[0094] DB1 First database

[0095] DB2 Second Database

[0096] DB3 Third Database

[0097] E input system

[0098] IN1 First measuring device

[0099] IN2 Second measuring device

[0100] K POS system

[0101] S System for labeling reusable containers

[0102] SC1 First Scanner

[0103] SC2 Second Scanner

[0104] V1 display Not visible in pictures

Claims

PATENT CLAIMS 1. Procedure for labelling reusable containers, preferably for loose products, with the following process steps • Reading an ID associated with a reusable container • Reading and / or determining information, wherein the information includes reusable container information of a deposit value and deposit status and / or product information of a loose product, • Assigning the read or determined information to the read ID identifier • Create a label 2. Method for labeling reusable containers, preferably for loose products, according to claim 1, characterized in that reading the ID identifier includes scanning a barcode and / or QR code, wherein the barcode and / or QR code is fixed to the reusable container, or wherein the barcode and / or QR code is permanently fixed to the reusable container.

3. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the information assigned to the ID identifier is read from a database (DB1), wherein the read information comprises the tare and / or the deposit value and / or the deposit status, wherein the information assigned to the ID identifier comprises variable information and protected information, wherein the protected information comprises the tare and / or the deposit value, wherein the variable information comprises the deposit status and the product information, or wherein part of the product information is measured. Method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the product information comprises measured data, recorded data, read-out data and / or calculated data. Method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the product information is input from different sources (IN1, DB2) into a control system (C1), wherein part of the product information is read from a second database (DB2). A method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the reusable container information includes the tare and / or the deposit value and / or the deposit status, wherein the reusable container information is stored in the ID identifier and / or is entered. A method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the product information is combined into a data package, where the product information is merged into several data packages, or where the data packages are stored in several databases (DB1, DB2, DB3).

8. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that part of the product information is stored in two databases (DB2, DB3).

9. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the ID identifier and the product information are stored in two and preferably in three databases (DB1, DB2, DB3).

10. A method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that product information can be accessed using the ID identifier.

11. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the first database (DB1) is connected to a cash register system (K).

12. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the third database (DB3) is accessible via a public network. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that a data record for the ID identifier is created in a database (DB1, DB2, DB3), wherein the data record is stored in the first database (DB1) and / or second database (DB2), or wherein further information is assigned to the data record of the ID identifier. Method for labelling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the tare weight of a reusable container is assigned to the data record of the ID identifier stored in one of the databases (DB1, DB2, DB3), wherein the tare weight is determined, wherein the tare weight is read from the ID identifier, or wherein the deposit status is read from the ID identifier.Method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the label is a digital label. Method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the label is stored in the first database (DB1). Method for labeling reusable containers, preferably for loose products, according to one or more of the preceding claims, characterized in that the label comprises the ID identifier, the information, and the assignment.

18. System (S) for labelling reusable containers, preferably for loose products, comprising • a first control (C1), • a first ID scanner (SC1), • a first database (DB1), • a first measuring device (IN 1) and • a second database (DB2).

19. System (S) for labelling reusable containers, preferably for loose products, according to claim 18, characterized in that the first scanner (SC1), the first measuring device (IN1) and the first (DB1) and the second database (DB2) are connected to the first controller (C1).

20. System (S) for labelling reusable containers, preferably for loose products, according to claim 18 or 19, characterized in that the system (S) has a second controller (C2), wherein the second controller (C2) is connected to a second scanner (SC2), wherein the second scanner (SC2) is part of a cash register system (K), wherein the cash register system (K) is connected to the second database (DB2).

21. System (S) for labelling reusable containers, preferably for loose products, according to one or more of claims 18 to 20, characterized in that the first controller (C1) is connected to the first scanner (SC1).

22. System (S) for labelling reusable containers, preferably for loose products, according to one or more of claims 18 to 21, characterized in that the second controller (C2) is connected to the second scanner (SC2). System (S) for labeling reusable containers, preferably for loose products, according to one or more of claims 18 to 22, characterized in that the first controller (C1) is connected to the first (DB1), second (DB2) and / or third database (DB3). System (S) for labeling reusable containers, preferably for loose products, according to one or more of claims 18 to 23, characterized in that the second controller (C2) is connected to the first (DB1), second (DB2) and / or third database (DB3), wherein the second controller (C2) is connected to a smaller number of databases (DB1, DB2, DB3) than the first controller (C1). System (S) for labeling reusable containers, preferably for loose products, according to one or more of claims 18 to 24, characterized in that the third database (DB3) is accessible via a public network.