EP3939900A1 - Etikettenherstellungsmaschine, etikettiervorrichtung mit einer etikettenherstellungsmaschine, verfahren zur herstellung von etiketten und verfahren zum aufbringen von einzeletikettenfolien auf behälter - Google Patents

Etikettenherstellungsmaschine, etikettiervorrichtung mit einer etikettenherstellungsmaschine, verfahren zur herstellung von etiketten und verfahren zum aufbringen von einzeletikettenfolien auf behälter Download PDF

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Publication number
EP3939900A1
EP3939900A1 EP20185889.1A EP20185889A EP3939900A1 EP 3939900 A1 EP3939900 A1 EP 3939900A1 EP 20185889 A EP20185889 A EP 20185889A EP 3939900 A1 EP3939900 A1 EP 3939900A1
Authority
EP
European Patent Office
Prior art keywords
web
light emitting
emitting unit
label
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20185889.1A
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English (en)
French (fr)
Inventor
Mattia Giuliani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
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 Sidel Participations SAS filed Critical Sidel Participations SAS
Priority to EP20185889.1A priority Critical patent/EP3939900A1/de
Publication of EP3939900A1 publication Critical patent/EP3939900A1/de
Withdrawn legal-status Critical Current

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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
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
    • 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
    • B65C9/46—Applying date marks, code marks, or the like, to the label during labelling
    • 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
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
    • B65C2009/1834—Details of cutting means
    • B65C2009/1846—Laser

Definitions

  • the presen"t invention relates to a label preparation machine for preparing decorated single label sheets.
  • the present invention also relates to a labeling apparatus for applying decorated single label sheets onto receptacles, the labeling apparatus having a label preparation machine for preparing decorated single label sheets.
  • the present invention also relates to a method of preparing decorated label sheets.
  • the present invention also relates to a method of applying decorated single label sheets onto receptacles.
  • Labeling machines for the application of decorated single label sheets onto receptacles such as bottles, containers, cans or the like are known.
  • a typical type of labeling machine relies on using a continuous web of labeling material provided in the form of a roll.
  • Such labeling apparatuses comprise at least a label preparation machine, which allows to obtain single label sheets from the web of labeling material, while the web of labeling material advances along a web advancement path. Therefore, the label preparation machine comprises a cutting unit for cutting the web of labeling material at a cutting station so as to obtain the single label sheets.
  • a typical cutting unit comprises at least one blade and at least one counter-blade, which are configured to cut in cooperation the web of labeling material.
  • One of the blade and the counter-blade is fixed and the other one is mounted to a roller rotatable around a respective rotation axis.
  • An alternative cutting unit comprises a respective laser unit for cutting the web of labeling material by means of a laser light. Even though the use of such laser units allow for a flexible execution of the cutting steps in dependence of the advancing web of labeling material, it is also known that these laser units are, however, known to be rather bulky and occupy a significant space.
  • the desire and need to personalize the information and the visual images provided on the single label sheets has grown.
  • the personalization can e.g. be achieved by decorating the label sheets to be applied on the receptacles.
  • some label preparation machines comprises a decoration unit configured to decorate the web of labeling material or the single label sheets at a decoration station, the decoration station being arranged upstream or downstream of the cutting station.
  • Some known decoration units comprise a laser device configured to activate photoactivatable pigments, which are incorporated into the web of labeling material and consequently into the single label sheets.
  • Other known decoration units comprise a laser device for ablating parts of the web of labeling material and/or the single label sheets so as to obtain the desired decoration.
  • Number 1 in Figure 1 indicates as a whole a labeling apparatus for applying single label sheets 2 onto a plurality of receptacles.
  • the receptacles can be of any type including bottles 3, jars, vessels, cans, containers or the like, in particular being made of base components, like glass, paper or cardboard, plastics, aluminum, steel, and composites.
  • the receptacles are adapted to be filled and/or are filled with a pourable product, in particular a pourable food product and/or a pourable non-food product.
  • bottles 2 adapted to be filled with any type of pourable food product such as carbonated liquids (e.g. sparkling water, soft drinks and beer), non-carbonated liquids (including still water, juices, teas, sport drinks, wine, edible oil, etc.) beverages containing pulps and granular media such as salt or sugar or bottles 2 being adapted to be filled with pourable non-food products such as (cleaning and/or washing) detergents, shampoo, shower gel, mineral oils and the like.
  • carbonated liquids e.g. sparkling water, soft drinks and beer
  • non-carbonated liquids including still water, juices, teas, sport drinks, wine, edible oil, etc.
  • beverages containing pulps and granular media such as salt or sugar
  • pourable non-food products such as (cleaning and/or washing) detergents, shampoo, shower gel, mineral oils and the like.
  • the invention also relates to other types of receptacles. It should also be clear that the invention also relates to receptacles, which are adapted to
  • each bottle 2 extends along a longitudinal axis and comprises a pouring/inlet opening allowing for the introduction and the outpouring of the pourable product respectively into and out of bottle 2.
  • labeling apparatus 1 comprises at least:
  • labeling apparatus 1 also comprises a glue application device 7 configured to apply glue onto web 13 and/or single label sheets 2 and/or bottles 3 at a glue application station for allowing attachment of single label sheets 2 onto bottles 3.
  • glue application device 7 is configured to apply glue onto single label sheets 2 prior to their application onto bottles 3.
  • conveyor device 4 comprises at least one conveying carousel 8 rotatable around a rotation axis A and a plurality of retaining units (not shown and known as such) mounted to conveying carousel 8 and configured to retain one respective bottle 3 during advancement of the respective bottle 3 along receptacles advancement path P.
  • each retaining unit is also configured to execute a rotation of the respective bottle 3 around the respective longitudinal axis during application of the respective label sheet 2.
  • labeling preparation machine 6 comprises at least:
  • web 13 can already be partially decorated or web 13 can be completely void of any previous decoration.
  • labeling apparatus in particular labeling preparation machine 6, comprises a control unit 16 configured to control operation of at least labeling preparation machine 6.
  • labeling preparation machine 6 also comprises a conveying unit 17 configured to advance single label sheets 2 along a label advancement path R, in particular from decoration and cutting station 15 towards and/or to labeling station 5.
  • labeling preparation machine 6 comprises a magazine unit 19 configured to host web 13, in particular in the form of a bobbin, at initial station 18.
  • conveying device 12 comprises an auxiliary conveyor, in particular an auxiliary drum 23, for supporting transfer of web 13 and/or single label sheets 2 to conveying unit 17.
  • auxiliary conveyor in particular an auxiliary drum 23, for supporting transfer of web 13 and/or single label sheets 2 to conveying unit 17.
  • light emitting unit 14 is arranged such that, in use, light emitting unit 14 decorates and cuts web 13 while being advanced on auxiliary conveyor 23.
  • conveying device 12 comprises a driven feed roller 24 configured to rotate about a respective rotation axis being interposed between initial station 18 and decoration and cutting station 15, and being configured to at least partially control advancement of web 13 along web advancement path Q; and
  • conveying device 12 also comprises a buffer 26 configured to accumulate in a variable manner portions of web 13.
  • buffer 26 is arranged between initial station 18 and decoration and cutting station 15, even more particular between initial station 18 and feed roller 24.
  • conveying unit 17 comprises at least one transfer drum 27 rotatable around a rotation axis C configured to advance single label sheets 2 along at least a portion of label advancement path R, and in particular through the glue application station.
  • the transfer drum 27 is configured to apply the label sheets 2 on respective receptacles 3 by means of the rotation of the transfer drum 27 on itself .
  • light emitting unit 14 is configured to emit a(n) (electromagnetic) light beam, in particular a laser irradiation, for decorating and cutting web 13 at decoration and cutting station 15.
  • decoration and cutting station 15 defines that the decoration and the cutting of web 13 occurs by a light beam, which is locally confined to the same area.
  • a cutting station at which web 13 is cut and a decoration station at which web 13 is decorated coincide defining the common decoration and cutting station 15.
  • label preparation machine 6 does not rely on two distinct and locally separated units, one for executing a decorating step at a decoration station and one for executing a cutting step at a cutting station distinct from the decoration station (i.e. the two separated units are arranged at two distinct and locally separated locations), but relies on one single light emitting unit 14 being arranged at a common decoration and cutting station 15, in particular being configured to emit the light beam, in particular the laser irradiation, both for decorating and cutting web 13.
  • light emitting unit 14 is configured to execute, in particularly to alternately execute, a decorating step during which light emitting unit 14 emits the light beam, in particular the laser irradiation, for decorating the, in use, advancing web 13 and a cutting step for cutting the, in use, advancing web 13.
  • web 13 comprises photoactive pigments 28 (see Figure 2 ).
  • web 13 comprises one or more layers containing pigments 28.
  • pigments 28 provided in web 13 are configured to change the respective color by receiving an electromagnetic activation energy in the form of a light beam, e.g. a laser irradiation.
  • pigments 28 are in a deactivated state and can be controlled into at least one activated state upon the application of the electromagnetic activation energy leading to a change in the respective color.
  • pigments 28 are transparent or white.
  • Upon activation pigments 28 can change their respective color (e.g. from transparent to black or white or from white to black).
  • the color in the deactivated state and the color in the activated state is dependent on the specific molecular structure of the specific pigments 28 chosen.
  • the final color is defined by the total energy transferred to pigments 28 (e.g. allowing to obtain different gray shades or respective other color tonalities) in dependence of the total transferred energy.
  • light emitting unit 14 is configured to activate the photoactive pigments of web 13 in order to decorate web 13.
  • light emitting unit 14 is configured to ablate portions of web 13, in particular by means of the light beam, in particular the laser irradiation, in order to decorate web 13.
  • light emitting unit 14 is configured to cut web 13 such to define simultaneously a trailing edge of one decorated single label sheet 2 and a leading edge of the successive single label sheet 2 (which, in use, has not yet been decorated) .
  • light emitting unit 14 is configured to decorate the successive single label 2 prior to the execution of a second cutting step.
  • the first cutting step defines the leading edge of the label sheet 2 to be decorated, which is still part of web 13 prior to the execution of the decorating step and prior to the second cutting step, which defines the trailing edge of the respective decorated single label sheet 2.
  • light emitting unit 14 is configured to cut single label sheets 2 from the, in use, advancing web 13 by means of a single light pulse, in particular a single laser pulse.
  • the light emitting unit 14, for each label sheet 2 is configured to define completely a leading edge of the respective label sheet 2 by emitting a single light pulse and to define completely a trailing edge of the same respective label sheet 2 by emitting another single light pulse.
  • the defining of the leading edge and the trailing edge by respective single pulses improves the precision in the defining of the label edges, but requires more power with respect to using more than one pulse for each edge.
  • a very compact label preparation machine comprising a light emitting unit 14 for single pulse cutting, by employing the same single pulse light emitting unit 14 also for decorating the web.
  • control unit 16 is configured to control, in particular to alternately control, light emitting unit 14 into at least:
  • control unit 16 is configured to control light emitting unit 14 into the decoration mode and the cutting mode for executing respectively one decorating step and one cutting step.
  • light emitting unit 14 is configured to modulate a light (laser) beam power, in particular a power of the laser irradiation, in dependence on whether light emitting unit 14 is controlled in the cutting mode or decoration mode.
  • a light (laser) beam power in particular a power of the laser irradiation
  • light emitting unit 14 is configured such that the emitted light beam power, in particular the power of the emitted light, even more particular the emitted laser irradiation, is higher when light emitting unit 14 is controlled, in use, in the cutting mode than when being, in use, controlled in the decoration mode.
  • light emitting unit 14 comprises one or more light emitting elements, in particular one or more laser light elements.
  • the light emitting elements could be arranged in a group of light emitting elements and/or having a matrix organization.
  • each light emitting element is configured to selectively emit one respective single light beam, in particular one respective single laser beam.
  • the light beam emitted by light emitting unit 14 can be the result of one or more of the respective single light beams emitted, in use, by the one or more light emitting elements.
  • the light emitting elements in particular the group of light emitting elements and/or the matrix of light emitting elements is transversally arranged with respect to an advancement direction D of, the, in use, at decoration and cutting station advancing web 13 (i.e. the group of light emitting elements and/or the matrix of light emitting elements is along a line and/or an area transversal to advancement direction D).
  • light emitting unit 14 can direct its light emission on each single portion of web 13.
  • one or more of the light emitting elements are mounted onto a support, the support being moveable along a direction transversal to advancement direction D.
  • the support could be moved, in use, such to partially follow the advancement movement of web 13.
  • labeling apparatus 1 applies at least one single label sheet 2 onto bottles 3 at labeling station 5.
  • bottles 3 advance, in particular by means of conveyor device 4, along bottle advancement path P.
  • glue application device 7 adds glue onto web 13 and/or single label sheets 2 and/or bottles 2.
  • glue application device 7 adds glue onto single label sheets 2 during advancement of single label sheets 2 along label advancement path R.
  • Single label sheets 2 are prepared from web 13 by labeling preparation machine 6.
  • labeling preparation machine 6 decorates and cuts web 13 at decoration and cutting station 15.
  • operation of labeling preparation machine 6 comprises at least the steps of:
  • web 13 is continuously advanced along web advancement path P.
  • web 13 advances from initial station 18 to decoration and cutting station 15.
  • the advancement speed of web 13 is at least partially controlled by feed roller 24.
  • control unit 16 controls, in particular alternatingly controls, light emitting unit 14 into the decoration mode or cutting mode.
  • the step of decorating and the step of cutting are executed in an alternating manner.
  • each one single label sheet 2 comprises, during advancement of web 13 along web advancement path Q:
  • the decorating step is executed on web 13 and the respective single label sheet 2 is only obtained after the second cutting step, which separates the respective single label sheet 2 from the remaining web 13.
  • light emitting unit 14 emits a light beam, in particular a laser beam.
  • light emitting unit 14 modulates an emitted light beam power of the light beam in dependence on whether light emitting unit 14 executes the decorating step or the cutting step (or in other words, on whether light emitting unit 14 is controlled in the decoration mode or cutting mode).
  • light emitting unit 14 modulates the emitted light beam power such that the emitted light beam power is higher when light emitting unit 14 executes the cutting step than when executing the decorating step.
  • light emitting unit 14 emits the light beam for activating photoactive pigments 28 and/or for ablating portions of web 13.
  • the light emitting unit 14 defines completely a leading edge of the respective label sheet 2 by emitting a single light pulse and defines completely a trailing edge of the same respective label sheet 2 by emitting another single light pulse.
  • operation of label preparation machine 6 also comprises the step of advancing single label sheets 2 along label advancement path R.
  • number 1' indicates an alternative embodiment of a labeling apparatus according to the present invention; as labeling apparatus 1' (only partially shown to the extend necessary for the understanding of the differences between labeling apparatus 1' and 1) is similar to labeling apparatus 1, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts.
  • labeling apparatus 1' differs from labeling apparatus 1 in comprising label preparation machine 6'.
  • labeling preparation machine 6' is similar to label preparation machine 6, the following description is limited to the differences between them, and using the same references, where possible, for identical or corresponding parts.
  • label preparation machine 6' differs from label preparation machine 6 in the position of decoration and cutting station 15. While light emitting unit 15 of label preparation machine 6 is arranged such that light emitting unit 14 is configured to decorate and cut web 13 while web 13 advances on auxiliary conveyor 23, light emitting unit 14 of label preparation machine 6' is arranged such that light emitting unit 14 is configured to decorate and cut web 13 while web 13 advances on conveying unit 17, in particular transfer drum 27.
  • the decoration and cutting station 15 is on the transfer drum 27. This improves further reduces the mechanical complexity of the preparation machine 6'.
  • the transfer drum 27 defines a part of the conveying device 12.
  • labeling apparatus 1' is similar to labeling apparatus 1 and as operation of label preparation device 6' is similar to operation of label preparation device 6', we refer to the above provided description.
  • light emission unit 14 being configured to execute both the decoration and the cutting, it is possible to both provide for a flexible cutting as the light emission unit 14 can be precisely controlled in dependence of the advancing web 13 and to optimize the space requirements.
  • a further advantage resides in light emission unit 14 being configured to modulate the light beam power so as to adapt the operation to the cutting and decoration requirements. While the cutting needs to separate the single label sheets 2 from web 13, the decoration of web 13 requires leaving web 13 substantially intact.
  • single label sheets 2 are of the "self-stick"-type.
  • the present invention could, however, also work with single label sheets 2 of the "sleeve-label-type" or the "pressure-sensitive label-type".
  • the base layer removably carrying the label layer would be left intact and only the label layer would be cut so as to obtain the single label sheets being separable from the base layer.

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  • Labeling Devices (AREA)
EP20185889.1A 2020-07-15 2020-07-15 Etikettenherstellungsmaschine, etikettiervorrichtung mit einer etikettenherstellungsmaschine, verfahren zur herstellung von etiketten und verfahren zum aufbringen von einzeletikettenfolien auf behälter Withdrawn EP3939900A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20185889.1A EP3939900A1 (de) 2020-07-15 2020-07-15 Etikettenherstellungsmaschine, etikettiervorrichtung mit einer etikettenherstellungsmaschine, verfahren zur herstellung von etiketten und verfahren zum aufbringen von einzeletikettenfolien auf behälter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20185889.1A EP3939900A1 (de) 2020-07-15 2020-07-15 Etikettenherstellungsmaschine, etikettiervorrichtung mit einer etikettenherstellungsmaschine, verfahren zur herstellung von etiketten und verfahren zum aufbringen von einzeletikettenfolien auf behälter

Publications (1)

Publication Number Publication Date
EP3939900A1 true EP3939900A1 (de) 2022-01-19

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EP20185889.1A Withdrawn EP3939900A1 (de) 2020-07-15 2020-07-15 Etikettenherstellungsmaschine, etikettiervorrichtung mit einer etikettenherstellungsmaschine, verfahren zur herstellung von etiketten und verfahren zum aufbringen von einzeletikettenfolien auf behälter

Country Status (1)

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EP (1) EP3939900A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100053299A1 (en) * 2008-09-02 2010-03-04 Govorkov Sergei V Wide field diode-laser marker with swinging projection-optics
DE202013105749U1 (de) * 2012-12-18 2014-04-01 Sidel S.P.A. Con Socio Unico Etikettiereinheit für eine Etikettiermaschine, Etikettiermaschine und verbessertes Etikett
WO2015159067A1 (en) * 2014-04-16 2015-10-22 Datalase Limited Linerless label imaging and cutting
WO2018086712A1 (en) * 2016-11-14 2018-05-17 Sidel Participations Labeling apparatus and method of operating such a labeling apparatus
EP3533720A1 (de) * 2018-03-01 2019-09-04 Sidel Participations Etikettiermaschine und verfahren zum aufbringen von etikettenbögen auf behälter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100053299A1 (en) * 2008-09-02 2010-03-04 Govorkov Sergei V Wide field diode-laser marker with swinging projection-optics
DE202013105749U1 (de) * 2012-12-18 2014-04-01 Sidel S.P.A. Con Socio Unico Etikettiereinheit für eine Etikettiermaschine, Etikettiermaschine und verbessertes Etikett
WO2015159067A1 (en) * 2014-04-16 2015-10-22 Datalase Limited Linerless label imaging and cutting
WO2018086712A1 (en) * 2016-11-14 2018-05-17 Sidel Participations Labeling apparatus and method of operating such a labeling apparatus
EP3533720A1 (de) * 2018-03-01 2019-09-04 Sidel Participations Etikettiermaschine und verfahren zum aufbringen von etikettenbögen auf behälter

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