EP1884471A1 - Machine d'étiquetage - Google Patents

Machine d'étiquetage Download PDF

Info

Publication number
EP1884471A1
EP1884471A1 EP07014325A EP07014325A EP1884471A1 EP 1884471 A1 EP1884471 A1 EP 1884471A1 EP 07014325 A EP07014325 A EP 07014325A EP 07014325 A EP07014325 A EP 07014325A EP 1884471 A1 EP1884471 A1 EP 1884471A1
Authority
EP
European Patent Office
Prior art keywords
tape
label
conveyor belt
machine according
labelling machine
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.)
Granted
Application number
EP07014325A
Other languages
German (de)
English (en)
Other versions
EP1884471B1 (fr
Inventor
Andrea Borsini
Cesare Loia
Stefano Finocchiaro
Giacomo Soluri
Gianni Francalanci
Agapito Di Tommaso
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.)
Irplast SpA
Original Assignee
Irplast SpA
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 Irplast SpA filed Critical Irplast SpA
Publication of EP1884471A1 publication Critical patent/EP1884471A1/fr
Application granted granted Critical
Publication of EP1884471B1 publication Critical patent/EP1884471B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/08Label feeding
    • B65C9/18Label feeding from strips, e.g. from rolls
    • B65C9/1803Label feeding from strips, e.g. from rolls the labels being cut from a strip
    • B65C9/1815Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/26Devices for applying labels
    • B65C9/34Flexible bands
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/40Controls; Safety devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/40Controls; Safety devices
    • B65C9/42Label feed control
    • B65C9/44Label feed control by special means responsive to marks on labels or articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/08Label feeding
    • B65C9/18Label feeding from strips, e.g. from rolls
    • B65C9/1803Label feeding from strips, e.g. from rolls the labels being cut from a strip
    • B65C2009/1834Details of cutting means
    • B65C2009/1857Details of cutting means two co-acting knifes
    • B65C2009/1861Details of cutting means two co-acting knifes whereby one knife remains stationary

Definitions

  • the present invention relates to a machine for applying labels, obtained from preprinted or non preprinted adhesivized reels, on articles or packages moving on a conveyor belt or conveyor line.
  • the machine of the present invention allows to apply labels of heat-shrinkable plastic film also on articles having an irregular shape, even for wrap-around labelling, with improved productivity, that is as number of applied labels/hour, also for the application of large format labels. Further no scraps are formed and the last cut label from the adhesivized reel is applied in real time on the article.
  • Machines applying non adhesivized labels made of paper or plastic film, are also known in the prior art.
  • the adhesive is spread on one side of the label just before the application on the container.
  • These machines have the drawback to include a unit for dosing and spreading the adhesive. Therefore these machines require frequent cleanings with the consequence of stops of the production process bringing to a lowering of the productivity.
  • a machine applying a reclosable easy open closing device is described, to be applied on packs, packages and containers, in particular for food industry.
  • the machine substantially comprises, as illustrated in Fig. 2 a tape unwinding system and a cutting device, constituted by a moving blade, perpendicular to the tape direction, to obtain formats (labels) and by a fixed counterblade positioned on a moving oscillating plate.
  • This machine is commercialized by the Applicant Irplast under RSS and have a label application rate at most of 6,000 cycles(labels)/hour. Tests carried out by the Applicant have shown that this application rate can be achieved with labels having a length of no more than 40 mm.
  • the label heigth is generally not critical, it can reach also 80 mm.
  • the drawback of this machine is that for labels having a higher length for example 70 mm, the label application rate is significantly reduced, generally to about 3,600 cycles/hour.
  • the RSS commercial machine applies the labels by using a pneumatic system. With this machine it is therefore not possible to apply wrap-around labels to containers.
  • Italian patent application MI2003A000371 in the name of the Applicant discloses a labelling machine for containers of various shapes, which applies pre-adhesivized labels from a reel.
  • the machine illustrated in Fig. 1 comprises an unwinding device, a cutting system and a conveyor belt functioning as system for applying labels on containers. Tests carried out by the Applicant have shown that with this machine heat-shrinkable labels cannot be applied on containers having an irregular shape. See the comparative Example.
  • the reel (1) is preferably placed on a moving arm (15) and it is in contact with a fixed pressure roll (10) to ease the tape (5) unwinding.
  • the printing group (12) of the tape (5) allows to print on the labels, unwound from the reel (1), additional informations, such as for example the batch number, the expiring date, etc.
  • the cutting system (2) preferably has the cutting blade (2a) in lifted position (Fig. 2) with the cutting edge inclined of an angle comprised between 1° and 45°, preferaly between 1° and 10° with respect to the tape (5).
  • the cutting blade (2a) of the cutting system (2) preferably moves vertically driven at the two ends; the counterblade (2b) is mounted on a plate, fixed or oscillating, preferably fixed.
  • the counterblade (2b) and the blade (2a) are kept into contact by a device acting on the counterbalde (2b) or on the blade (2a), preferably on the latter.
  • This device can be for example a spring or a pnemumatic cylinder or a pusher.
  • the cutting blade (2a) in vertical section can be flat or slightly curved.
  • the curvature radius generally ranges from 500 mm to 6,000 mm, preferably from 1,500 mm to 4,000 mm.
  • Preferably a flat blade is used.
  • both sides of the blade (2a) and counterblade (2b) are coated with solid antiadhesives.
  • the antiadhesive treatment can for example be carried out by using (fluoro)silicone- and/or fluoropolymer-based materials.
  • the coatings commercially known as Plasma Coating® PC 918F, PC 936, PC 915, PC 915S, PC 934, PC 934S, PC 932, PC 918-C, PC 434, PC 432, SE 32 can be mentioned.
  • the conveyor belts (7) and (16) can comprise one or more circular longitudinal bands (not shown in Fig. 1), having width equal or different.
  • the length of the bands is the same as that of the conveyor belt.
  • the circular longitudinal bands are generally parallel among each other.
  • the labelling machine of the present invention can comprise, see Fig. 1, also a detecting system (14), connected to the regulating systems (17) and (18) so as to adapt in real time the tape (16) profile facing the container conveyor line (30) and the plane (11) to the profile of the containers being labelled.
  • the reel unwinding system comprises at least an unwinding roll (6) and a tensioning device (3) of the tape.
  • the unwinding system comprises unwinding rolls, at least one of them is motor driven ((6) in Fig. 1).
  • the tensioning device (3) of the tape is formed of two not motor driven rolls mounted on an oscillating plate.
  • the adhesivized tape (5) has, as said, the adhesive on the internal side of the reel so that, in corrispondence of the conveyor belt (7), the adhesivized side is external and facing the container to be labelled.
  • the conveyor belts (7) and (16), as said, can comprise one or more longitudinal circular bands, having openings on their surfaces.
  • the openings can have various shape, for example circular, for instance having 3 mm diameter, or square-sectional, for example of 3mm x 3mm.
  • the vacuum equipments used are those available on the market or known in the prior art.
  • the vacuum equipment connected to the openings of the conveyor belts (7) and (16) is such to create, for example, a negative pressure varying generally from -0.3 to -0.9 bar.
  • Said equipment can be, for example, a high flow-rate motor driven rotor.
  • the photocell (8) sends a signal to stop the conveyor belt (7) when the label is in front of the photocell. Then the container to be labelled carried by the conveyor line comes into contact with the adhesivized label detaching it from the belt (7). Once the label is picked upt, the photocell (8) sends an impulse (i.e. activates) to the conveyor belt (7) so to prepare a new label at the application point and the cycle starts again.
  • an impulse i.e. activates
  • the unwinding roll (6), the driving system (9) and the conveyor belts (7) and (16) are motor-driven, for example by electric motors.
  • the rolls, motorized or not, that in the machine are in contact with the tape (5), are made of antiadherent material, selected for example from the following: teflon, silicone rubber, aluminum coated with the above coatings.
  • the length of the conveyor belt (7) between the cutting system (2) and the photocell (8) is generally from 100 mm to 1,000 mm, preferably up to 800 mm.
  • the length of the conveyor belt (16) is equal to or greater than the perimeter of the maximum cross-section of the container that is labelled; the upper length limit of the conveyor belt (16) is generally the same of conveyor belt (7).
  • the elastic material of which the contrast plane (11) is made can for example be a rubber or a thermoplastic sponge, for example a cured natural rubber or a polyurethane rubber.
  • the support (19) is formed of a rigid material, for example steel. In correspondence of the regulating system (18) the support shows openings.
  • the regulating systems (17) and (18), as said, that adapt the profile of the conveyor belt (16) and of the plane (11) respectively to that of the containers to be labelled, can be any device capable to deform the conveyor belt (16) and the plane (11).
  • mechanical pistons driven by a worm screw, or pneumatic pistons, etc. can be used.
  • the relative position of the two regulating systems (17) and (18) is not critical and is determined according to the following parameters: the container shape, the perimeter of the maximum cross-section of the container, the speed of the labelling line, etc..
  • the system (18) could be placed before the system (17).
  • the printing group (12) can be, for example, an ink jet printing unit, or a thermal transfer printing unit, etc.
  • the printing group (12) is generally controlled by a data management software, in order to print on the labels, for example, the following information: expiring date, batch number, etc..
  • the heatshrinking system (13) can be selected from those available on the market and generally comprises an air jet heated oven.
  • the detection system (14), is preferably mechanical or electronic system and it can comprise a device for determining the container shape.
  • the detection system (14) is connected to the regulating systems (17) and (18).
  • the support film of the adhesive tape (5) (comprising the support plastic film with the adhesive and the optional print) has a thickness generally from about 30 to about 80 micron, preferably from 40 to 60 micron, the height is generally from 10 to 400 mm.
  • the amount of adhesive spread on the support film, calculated on the dry, ranges from 5 to 30 g/m 2 , preferably from 10 to 25 g/m 2 .
  • the preferred tape (5) for use in the labelling system is of plastic material with the internal side adhesivized, also at sectors.
  • the tape plastic film can preferably be bioriented polypropylene, or propylene copolymers, polyester, polyethylene or ethylene copolymers, polyvinylchloride, or also laminates, or superimposed plastics, in particular of heatshrinkable plastics.
  • the adhesive is available on the market and is selected among those allowing a permanent or a removable adhesion.
  • it can be a water acrylic adhesive, in aqueous emulsion, based on a C 3 -C 5 ester of the acrylic acid, for example butyl acrylate, or a "hot melt” adhesive formed of thermoplastic rubbers and hydrocarbon resins.
  • the labels can have various formats. Generally the label width can range from 10 mm to 400 mm, the length is up to, for example, 1,000 mm, in general from 50 to 800 mm.
  • the working process of the machine of the present invention comprises the following steps (see Fig. 1):
  • the photocell (4) reads the label repetition length printed on the plastic film, or ascertains that the tape (5) is inside the machine when the tape is not printed at a constant repetition length. In the latter case, generally, th tape is fully coloured.
  • the cutting point is identified on the basis of the signal previously sent by the photocell (4) .
  • the label size is defined by setting the number of rotations of at least one motorized roll of the driving system (9).
  • the movement of the conveyor belt (7) can be adjusted regulated so that the last label cut from the adhesive tape (5) is applied on the first container present at the label application point.
  • non preprinted labels it is possible, for example, to label in real time packages coming from different production lines.
  • a sensor is placed at the end of each line of the containers to be labelled, and detects the transit of each container and sends a signal to a main unit, for example an electronic main unit connected to the labelling machine.
  • the labelling can automatically arrange the label format to be applied on the container detected by the sensor, and passing at that moment under the labelling station.
  • a further advantage of the machine of the present invention resides in the fact that no siliconized support is used, thus avoiding the disposal of by-products.
  • the labelling machine of the present invention allows to apply a number of labels generally even reaching 25,000 labels/hour.
  • the label length of the obtained label, measured in MD, was 269 mm.
  • the regulating systems (17) and (18) of the machine according to the invention were used in order to modify the profile of the conveyor belt (16) and of the plane (11) in the correspondence of that of the bottles to be labelled, see Fig. 3.
  • the packaging line speed was fixed at 9,000 bottles/hour, which is the maximum speed at which the bottle filling system can operate.
  • the labelled bottles produced complied with the specifications set forth by the customer. In particular it was established that the adhesion of the heatshrink label to the bottle profile was complete and uniform. Besides, on the part corresponding to the overlapping of the two edges of the label, no defects due to local ungluing and consequent partial film lifting, or folds caused by the adhesive presence, were found.
  • Example 1 was repeated but using reels of films of heatshrinkable bioriented polyethylene terephthalate in the reel unwinding direction (MD), having a thickness of 36 micron, printed on the external side with a polyurethane-based antiadhesive layer, the other characteristics being the same as those of the reels used in the Example 1.
  • MD reel unwinding direction
  • the produced labelled bottles were conforming to the specifications set forth by the customer. In particular it was established that the adhesion of the heatshrunk label to the bottle profile was complete and uniform. Besides, on the part wherein the two edges of the label overlap, no defects due to local ungluing and consequent partial film lifting, or folds caused by the adhesive presence, were found.
  • Example 1 was repeated but substituting the labelling machine according to the present invention with a labelling machine according to the patent application MI2003A000371.
  • the production of the labelled bottles was interrupted after 30 minutes since almost all the labelled bottles showed defects due to the partial lifting of the label edges during the label heatshrinking step, which was caused by the non uniform adhesion betwen the label edges at the outlet of the labelling machine.

Landscapes

  • Labeling Devices (AREA)
EP07014325A 2006-08-03 2007-07-20 Machine d'étiquetage Not-in-force EP1884471B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20061562 ITMI20061562A1 (it) 2006-08-03 2006-08-03 Macchina applicatrice di etichette

Publications (2)

Publication Number Publication Date
EP1884471A1 true EP1884471A1 (fr) 2008-02-06
EP1884471B1 EP1884471B1 (fr) 2011-09-07

Family

ID=38649924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07014325A Not-in-force EP1884471B1 (fr) 2006-08-03 2007-07-20 Machine d'étiquetage

Country Status (3)

Country Link
EP (1) EP1884471B1 (fr)
ES (1) ES2372465T3 (fr)
IT (1) ITMI20061562A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2108591A1 (fr) 2008-04-10 2009-10-14 Krones AG Dispositif d'application d'étiquettes autocollantes sur des récipients et étiquette autocollante
CN113083618A (zh) * 2021-04-22 2021-07-09 成都普利泰生物科技有限公司 一种生化试剂盘挡圈粘接设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544431A (en) * 1985-02-06 1985-10-01 Stackpole Limited Roll fed labelling machine
EP0370642A1 (fr) * 1988-11-01 1990-05-30 John Waddington PLC Etiquetage d'objets
WO1998014375A1 (fr) * 1996-10-03 1998-04-09 Impresstik Machinery Pty. Ltd. Appareil d'etiquetage
WO2003076274A1 (fr) * 2002-03-13 2003-09-18 Express Labelling Systems A/S Procede et dispositif de mise en place d'etiquettes
WO2003086873A1 (fr) * 2002-04-12 2003-10-23 3M Innovative Properties Company Dispositif d'etiquetage
EP1447333A1 (fr) * 2003-02-06 2004-08-18 Irplast S.p.A. Machine d'étiquetage
WO2005023654A1 (fr) * 2003-09-11 2005-03-17 Promark Produkcja Sp. Z O.O. Procédé pour étiqueter des articles
EP1621465A2 (fr) 2004-07-02 2006-02-01 Böwe Bell + Howell Ensemble d'application d'étiquettes sans bande de support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20030371A1 (it) * 2003-03-03 2004-09-04 Irplast S.P.A. Macchina per applicare etichette

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544431A (en) * 1985-02-06 1985-10-01 Stackpole Limited Roll fed labelling machine
EP0370642A1 (fr) * 1988-11-01 1990-05-30 John Waddington PLC Etiquetage d'objets
WO1998014375A1 (fr) * 1996-10-03 1998-04-09 Impresstik Machinery Pty. Ltd. Appareil d'etiquetage
WO2003076274A1 (fr) * 2002-03-13 2003-09-18 Express Labelling Systems A/S Procede et dispositif de mise en place d'etiquettes
WO2003086873A1 (fr) * 2002-04-12 2003-10-23 3M Innovative Properties Company Dispositif d'etiquetage
EP1447333A1 (fr) * 2003-02-06 2004-08-18 Irplast S.p.A. Machine d'étiquetage
WO2005023654A1 (fr) * 2003-09-11 2005-03-17 Promark Produkcja Sp. Z O.O. Procédé pour étiqueter des articles
EP1621465A2 (fr) 2004-07-02 2006-02-01 Böwe Bell + Howell Ensemble d'application d'étiquettes sans bande de support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2108591A1 (fr) 2008-04-10 2009-10-14 Krones AG Dispositif d'application d'étiquettes autocollantes sur des récipients et étiquette autocollante
CN113083618A (zh) * 2021-04-22 2021-07-09 成都普利泰生物科技有限公司 一种生化试剂盘挡圈粘接设备

Also Published As

Publication number Publication date
ES2372465T3 (es) 2012-01-20
ITMI20061562A1 (it) 2008-02-04
EP1884471B1 (fr) 2011-09-07

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