WO2024052576A1 - Dispositif d'étiquetage, en particulier dans une installation de remplissage de boissons, comprenant un ampèremètre pour l'évaluation des étiquettes - Google Patents

Dispositif d'étiquetage, en particulier dans une installation de remplissage de boissons, comprenant un ampèremètre pour l'évaluation des étiquettes Download PDF

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Publication number
WO2024052576A1
WO2024052576A1 PCT/EP2023/074907 EP2023074907W WO2024052576A1 WO 2024052576 A1 WO2024052576 A1 WO 2024052576A1 EP 2023074907 W EP2023074907 W EP 2023074907W WO 2024052576 A1 WO2024052576 A1 WO 2024052576A1
Authority
WO
WIPO (PCT)
Prior art keywords
labels
labeling device
labeling
ammeter
determining
Prior art date
Application number
PCT/EP2023/074907
Other languages
German (de)
English (en)
Inventor
Andreas Meyer
Stefan Seidel
Markus STUBENHOFER
Stephan Maschke
Original Assignee
KIC KRONES Internationale Cooperationsgesellschaft mbH
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
Priority claimed from DE102023108316.3A external-priority patent/DE102023108316A1/de
Application filed by KIC KRONES Internationale Cooperationsgesellschaft mbH filed Critical KIC KRONES Internationale Cooperationsgesellschaft mbH
Publication of WO2024052576A1 publication Critical patent/WO2024052576A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/20—Gluing the labels or articles
    • B65C9/22—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/40—Controls; Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/40—Controls; Safety devices
    • B65C2009/402—Controls; Safety devices for detecting properties or defects of labels
    • B65C2009/404—Controls; Safety devices for detecting properties or defects of labels prior to labelling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets

Definitions

  • Labeling device in particular in a beverage bottling plant, comprising an ammeter for evaluating the labels
  • Labels that are applied using a labeling device can be evaluated for their water absorption, particularly when water-based adhesives are used.
  • US 2006/124239 A describes wet glue labeling, which contains a liquid adhesive for fixing the label to the container. Wet adhesives are applied to a label just before the label is attached to the object to be labeled (such as a bottle).
  • the so-called Cobb value water absorption of the paper
  • the Cobb value can be determined, for example, in accordance with DIN 53121 (August 2014).
  • the Cobb value a measure of water absorption, is used to determine a balance with regard to adhesion and quick application and secure positioning of the label, as it can be used, for example, to determine relevant process parameters for the amount or type of adhesive to be used.
  • determining the Cobb value is not always sufficient for consistent labeling quality. Especially when there are fluctuations in the quality of the label material, a preliminary determination of the Cobb value is not sufficient to ensure trouble-free labeling. At the same time, it has been shown that determining the Cobb value is not always sufficient to predict the actual behavior of the labels during bonding.
  • Ammeter measurements on labels can, for example, be carried out in accordance with the measuring order described in GB 403304 A.
  • the information obtained with such a measurement which is similar to the determination of the Cobb value, a measure of the penetration behavior of the label towards water, has proven in the context of the present invention to be a more precise (but at the same time easy to carry out) way of determining relevant information for Labels to be used are highlighted.
  • the information obtained through the ammeter measurement allows a more precise control of the labeling process, since the information obtained in this way predicts the actual behavior of a label when bonded with a water-based adhesive in a labeling device better than the Cobb value.
  • the rate of penetration of water (and thus also of water-based adhesives) into the label can be determined precisely and at the same time quickly.
  • This measured value allows precise control or regulation of the labeling process.
  • the quality of the label material changes (which also occurs within a given batch of labels)
  • the labeling process can be quickly adapted to the changing label quality.
  • the quality of the labeling i.e. in particular precise and durable positioning of the label, can be ensured taking into account the measured value of the ammeter measurement.
  • an ammeter measurement can be carried out continuously on labels while a labeling device is in operation.
  • a labeling device can be connected to an ammeter measuring station in such a way that at least one of each of the labels is continuously fed to the labeling device Thousand, for example three out of a thousand labels are branched off and fed to the ammeter measuring station.
  • the information obtained through the ammeter measurement can then flow back into the control or regulation of the labeling device in order, for example, to bring about an adaptation of the amount of adhesive or adhesive composition when a change in the measured value of the ammeter measurement is detected. In this way, more precise and better control of the labeling result can be achieved, even in comparison with determining the Cobb value.
  • the Cobb value is also determined in addition to the ammeter measurement.
  • This can basically be integrated into a labeling device in an analogous manner.
  • the labeling device of the present invention can also have a measuring station for determining the Cobb value.
  • a desired number of labels can be diverted from the feed of the labels to the labeling device during ongoing operation and fed to the measuring station to determine the Cobb value.
  • the labeling device of the present invention then also has the devices necessary for branching off the labels, so that these labels are then fed to the measuring station for determining the Cobb value, as in the ammeter measurement.
  • the information obtained when determining the Cobb value, which supplements the results of the ammeter measurement, can then flow again into the control or regulation of the labeling process.
  • the labeling device can also have, in combination with the device for determining the Cobb value or alone, a device for determining the flexural rigidity of the labels.
  • a desired number of labels can be diverted from the label feed to the labeling device during ongoing operation and fed to the measuring station to determine the bending stiffness.
  • the labeling device of the present invention then also has the devices necessary for branching off the labels, so that these labels are then fed to the measuring station for determining the stiffness, as in the ammeter measurement.
  • the information obtained when determining the bending stiffness which supplements the results of the ammeter measurement, can then flow again into the control or regulation of the labeling process.
  • the present invention provides the result of the ammeter measurement as a measure for determining the quality of labels (i.e. in particular their suitability for use in a labeling device using a water-based adhesive, in particular in a high-speed labeling process with spray application of the adhesive. It has been shown that labels are particularly suitable for use in such a method if they show rapid penetration behavior towards water, which can be quantified by the time course of the increase in the measured value during the ammeter measurement.
  • this suitability can be determined not only qualitatively/relatively (a rapid increase in the measured value is better than a slow increase in the measured value) but also quantitatively via the increase in the measured value in the ammeter measurement as defined below.
  • the increase in current intensity during the measurement (as described here, measured value at time 0 seconds (start of measurement) is 0 mA) is determined from the start time until a value for the current intensity of 0.9 mA is reached, with determination of the times are necessary to achieve current levels of 0.1 to 0.9 mA (in steps of 0.1 mA).
  • High-quality labels i.e. those that are suitable for problem-free use in the high-speed labeling processes described above, are characterized by an increase in current during ammeter testing, with a current of 0.7 mA within a period of 30 s or less is achieved, preferably 20 s or less, in embodiments about 15 s.
  • a course of the increase in current intensity in which a measured value of 0.1 mA already after 15 s or less, preferably 10 s or less, such as 5 s, and a reading of 0.5 mA is achieved after 20 s or less, preferably 15 s or less, such as after about 10 s.
  • labels can demonstrate excellent suitability for use in high-speed labeling devices with spray application of a water-based adhesive (i.e. good adhesion, low tendency to edge or corner lifting or label slipping), regardless of the type of label (printed, metallized, etc.).
  • the present invention therefore shows that labels with a very rapid initial increase in current intensity to 0.1 mA and then a still rapid but slowing increase in current intensity can be used very well in the labeling processes described here.
  • the measured values obtained can also be used are incorporated into the evaluation of the labels and thus into the control or regulation of the labeling process.
  • Labels that are particularly preferred and suitable for use in the labeling systems described here preferably have short penetration times against water (ammeter measurement), while at the same time having low values for the bending strength and (relatively) high Cobb values.
  • Such labels are particularly suitable for use in labeling systems with spray application of a water-based adhesive and ensure a high-quality labeling process.
  • the knowledge provided by the present invention regarding target values for the penetration behavior (ammeter measurement) as well as bending stiffness and Cobb value enables a simple and at the same time very precise evaluation of labels, if necessary even before they are actually used in a labeling process.
  • samples can be used to check the basic suitability for use in labeling and, if necessary, modifications can be made in the event of deviations from target values, for example with regard to the thickness of the label, base material (type of paper), number and material of intermediate layers, etc. .
  • the invention can also be used for applying the adhesive using a glue roller (classic labeling) instead of spray application.
  • the labeling device can therefore have a glue roller for applying glue and/or have the above-mentioned device for spray application (spray nozzles).
  • the labels to be evaluated within the scope of the present invention are labels with at least one paper layer.
  • the labels can be printed, have metallized layers and can also have a multi-layer structure.
  • Such additional layers can be polymer layers, lacquer layers, intermediate layers to improve the adhesion of the different layers in multi-layer labels and also protective layers, etc.
  • the ammeter measurement, as well as the optional determination of the Cobb value, is carried out on the side (paper layer) of the label that is provided with the adhesive and applied to the object to be labeled.
  • the bending stiffness of the labels can also be determined as a third parameter.
  • a total of three parameters are determined on the labels to be used, i.e. the ammeter measurement, the determination of the Cobb value and the determination of the bending stiffness.
  • the adhesive used in labeling is preferably a water-based adhesive which is applied by spray application in the labeling device, either directly onto the label or onto the surface of the object to be labeled.
  • a spray application can be carried out using spray nozzles, analogous to an ink printing process.
  • the present invention also provides a method for quality control of labels, the method comprising an ammeter measurement, optionally in combination with the determination of the Cobb value and/or the determination of the bending stiffness, on the labels.
  • This quality control also allows the monitoring and control of the labeling process, since if the parameters described and determined here (result of the ammeter measurement, Cobb value and/or bending stiffness) are known, the labeling process can be regulated/controlled based on this.
  • a library of information can be created which, when appropriate systems are used, can lead to a self-learning system for controlling and regulating the labeling process. In this way, stable labeling processes can be set up more quickly and waste can be reduced when starting a labeling process.
  • the ammeter measurement determines in particular the speed of water penetration into the label.
  • This information is an essential factor for the control and regulation in a labeling device in which labels with water-based adhesives are applied to objects to be labeled.
  • the person skilled in the art will understand here, as with regard to the labeling device described above, that the evaluated labels are not used for labeling (these are discarded after the respective measurement), but that the information obtained during the measurements is considered representative with regard to the remaining labels of a set of labels can be viewed. These remaining labels are fed into the labeling process and the information obtained through the measurement is used to control and regulate the labeling process. All preferred embodiments described above with the labeling device according to the invention also apply in an analogous manner to the method described here.
  • Ammeter measurement Square test pieces (50 x 50 mm) were cut from labels that had been conditioned for at least 16 hours at 23°C and an RH of 55 + 5%.
  • the first electrode of the ammeter is placed on the sample holder and 0.2 ml of deionized water is added to it.
  • the sample piece is then placed on the water drop with the unprinted side.
  • the second electrode of the ammeter is then placed on the other side of the sample. The measurement starts when the second electrode comes into contact with the sample. Measured values are taken at intervals of 0.05 mA (elapsed time until the respective value is reached in mA).

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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

L'invention concerne un dispositif d'étiquetage comprenant un ampèremètre permettant d'évaluer les étiquettes à appliquer et de réagir aux anomalies par des interventions de régulation lors du fonctionnement afin de garantir le résultat d'étiquetage souhaité.
PCT/EP2023/074907 2022-09-09 2023-09-11 Dispositif d'étiquetage, en particulier dans une installation de remplissage de boissons, comprenant un ampèremètre pour l'évaluation des étiquettes WO2024052576A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102022122995 2022-09-09
DE102022122995.5 2022-09-09
DE102023108316.3 2023-03-31
DE102023108316.3A DE102023108316A1 (de) 2022-09-09 2023-03-31 Etikettiervorrichtung, insbesondere in einer Getränkeabfüllanlage, umfassend ein Amperemeter zur Evaluierung der Etiketten

Publications (1)

Publication Number Publication Date
WO2024052576A1 true WO2024052576A1 (fr) 2024-03-14

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Family Applications (1)

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PCT/EP2023/074907 WO2024052576A1 (fr) 2022-09-09 2023-09-11 Dispositif d'étiquetage, en particulier dans une installation de remplissage de boissons, comprenant un ampèremètre pour l'évaluation des étiquettes

Country Status (1)

Country Link
WO (1) WO2024052576A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB403304A (en) 1933-06-15 1933-12-21 Sorg Paper Company Improvements in or relating to a paper testing apparatus
US3384815A (en) * 1962-11-23 1968-05-21 British Cellophane Ltd Moisture content measuring method and apparatus including a roller for periodically contacting a flexible travelling sheet member
US20060124239A1 (en) 2003-02-10 2006-06-15 Colin Marshall Labels and labelling methods
JP2020169032A (ja) * 2019-04-02 2020-10-15 アサヒビール株式会社 ラベル貼付方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB403304A (en) 1933-06-15 1933-12-21 Sorg Paper Company Improvements in or relating to a paper testing apparatus
US3384815A (en) * 1962-11-23 1968-05-21 British Cellophane Ltd Moisture content measuring method and apparatus including a roller for periodically contacting a flexible travelling sheet member
US20060124239A1 (en) 2003-02-10 2006-06-15 Colin Marshall Labels and labelling methods
JP2020169032A (ja) * 2019-04-02 2020-10-15 アサヒビール株式会社 ラベル貼付方法

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