WO2021224747A1 - Machine de production d'un rouleau portant une pluralité d'étiquettes enduites de résine - Google Patents

Machine de production d'un rouleau portant une pluralité d'étiquettes enduites de résine Download PDF

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Publication number
WO2021224747A1
WO2021224747A1 PCT/IB2021/053662 IB2021053662W WO2021224747A1 WO 2021224747 A1 WO2021224747 A1 WO 2021224747A1 IB 2021053662 W IB2021053662 W IB 2021053662W WO 2021224747 A1 WO2021224747 A1 WO 2021224747A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor belt
roll
resin
labels
flexible material
Prior art date
Application number
PCT/IB2021/053662
Other languages
English (en)
Inventor
Maurizio Gastaldi
Alberto Menozzi
Original Assignee
Demak S.R.L.
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 Demak S.R.L. filed Critical Demak S.R.L.
Publication of WO2021224747A1 publication Critical patent/WO2021224747A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
    • B31D1/021—Making adhesive labels having a multilayered structure, e.g. provided on carrier webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2201/00—Multiple-step processes for making flat articles
    • B31D2201/02—Multiple-step processes for making flat articles the articles being labels or tags

Definitions

  • This invention relates to systems for producing labels comprising an adhesive base coated with a layer of resin and to the respective production method.
  • the base of these labels has a lower face which removably adheres to a flexible support, in particular paper treated with a release agent, and a printed upper face which bears the desired written information and/or images.
  • the resin layer has a decorative/protective function and may further highlight that which is printed on the base.
  • the flexible support is comprised of a paper sheet — typically rectangular or square — on which a plurality of labels is fixed in a removable way, usually arranged according to a pattern ordered in rows and columns.
  • each sheet must be produced separately from the others, which makes the respective production process somewhat complex.
  • This complication if not particularly burdensome for batches including a small number of labels, becomes annoying for numerically larger batches.
  • having a very large number of separate label sheets also makes the management of subsequent processing steps very complex, as the labels must be detached from the respective support and applied to the items to be labeled.
  • DE 10 2010 001 794 A1 discloses a system for producing a roll of flexible material with a plurality of labels, including a fixed table for supporting the roll during the production process.
  • An object of this invention is therefore to remedy the drawbacks highlighted above in the prior art.
  • this object is achieved by a machine for producing a roll of flexible material carrying a plurality of labels each comprising an adhesive base coated with a layer of resin, said machine comprising:
  • a first motorized shaft for unwinding the roll carrying a plurality of adhesive bases
  • a conveyor belt adapted to support said flexible material along a direction of travel in a flat configuration
  • At least one UV lamp located above the conveyor belt downstream of said at least one nozzle, for crosslinking the cast resin
  • a second motorized shaft for winding the roll carrying a plurality of labels, each of which comprises an adhesive base coated with a layer of crosslinked resin.
  • the aforesaid at least one UV lamp is provided with means for moving along the direction of travel of the conveyor belt.
  • a further subject of this invention is a method for producing the aforesaid roll, comprising the subsequent steps of:
  • the movements with respect to the conveyor belt of a resin casting nozzle are controlled by a PUC device on the basis of signals received from a camera which detects the position of the adhesive bases on the conveyor belt.
  • the machine of the invention allows for the production of a very large number of labels adhering to the same flexible support in the form of a roll, simplifying both the respective production process and the subsequent steps of detaching the labels from the roll and applying them to the items to be labeled.
  • the machine of the invention is therefore able to resin labels placed on a pre-printed roll, cure the resin deposited on the labels, and subsequently roll up the resin-coated roll on a reel, making it ready for subsequent processing.
  • the machine of the invention may also work on sheets, rather than on a roll.
  • Fig. 1 is a schematic perspective view of a machine of the invention
  • FIG. 2 to 5 are perspective views on an enlarged scale of respective details of the machine of Fig. 1,
  • Fig. 6 is a view of a length of roll entering the machine illustrated in the previous figures.
  • Fig. 7 is a view of a length of roll exiting the machine illustrated in Fig. 1 to 5.
  • a machine (illustrated in Fig. 1 to 5) makes it possible to obtain, from a roll 10 of flexible paper support material carrying on one of its faces a plurality of adhesive bases 12 (Fig. 6), the same roll 10 carrying a plurality of labels, each comprising the adhesive base 12 coated with a layer of crosslinked resin 14 (Fig. 7).
  • the labels are arranged according to an ordered arrangement of linear rows which follow one another along the longitudinal extension of the roll 10 and once detached from the roll 10 may be used to adhere to a respective item to be labeled.
  • the labels and their bases 12 are not shown in Fig. 1 to 5.
  • the machine (Fig. 1) comprises a support frame 16 and is equipped with a PLC device 18 for controlling the operation of its components in the various operation phases.
  • a first motorized shaft 20 is rotatably mounted on the initial part of the frame 16 for unwinding the roll 10 carrying the adhesive bases 12 (Fig. 6).
  • the first motorized shaft 20 is provided with a rotary electric drive motor, for example of the brushless type, and with an expander device in the radial direction for example of the pneumatic type, so as to allow, when desired, to make the roll 10 rotating together with the shaft 20.
  • the machine Downstream of the first shaft 20, the machine comprises (Fig. 2) a tensioner 22 for the flexible material unwound from the roll 10 and a plurality of idle rollers 24 which send the unwound flexible material toward an entry end of a conveyor belt 26.
  • Said conveyor belt has a belt having a plurality of holes 28 and is provided with a suction device 30.
  • the direction of travel (see arrow 31) of the conveyor belt 26 is substantially orthogonal to the longitudinal axis of the first shaft 20 and of the idle rollers 24.
  • a nozzle 32 for casting the thermosetting resin 14 which nozzle 32 is provided with movement means which include two rails 34 respectively mounted on the support frame 16 at the sides of the conveyor belt 26, and a bar 36 having respective ends sliding on the rails 34 and oriented transversely with respect to the direction of travel of the conveyor belt 26.
  • the nozzle 32 is slidably mounted on the bar 36, is fed by a resin tank not shown in the figures and may be associated with a visual detection system of the bases 12, such as a camera 43.
  • the machine further comprises (Fig. 4) an apparatus for crosslinking by means of radiation (as will be explained in detail in the subsequent description of operation) of the resin 14 cast onto the bases 12, which apparatus is enclosed within a casing 38 located above a length of the conveyor belt 26 downstream of the nozzle 32.
  • the crosslinking apparatus comprises a plurality of UV lamps 40 provided with a device 42 for moving along the direction of travel of the conveyor belt 26.
  • the second motorized shaft 46 is provided with a rotary electric drive motor, for example of the brushless type, and with an expander device in the radial direction, for example of the pneumatic type, so as to allow, when desired, to make the roll 10 rotating together with the shaft 46.
  • the roll 10 carrying a plurality of adhesive bases 12 is unwound and guided through the tensioner 22 and the idle rollers 24 at the entry end of the conveyor belt 26. Due to the suction action exerted by the device 30 through the holes 28, the flexible support material unwound from the roll 10 adheres to the surface of the conveyor belt 26 and assumes a flat configuration.
  • the nozzle 32 casts a predetermined amount of thermosetting resin 14 onto each base 12 of a length of flexible roll material 10 adhering to the surface of the conveyor belt 26 after the nozzle is brought near to each base 12 as a result of its movement relative to the bar 36 and the movement of the bar 36 along the direction of travel of the belt 26. If necessary, it is also possible to adjust the height of the nozzle 32 with respect to the conveyor belt 26.
  • the movements of the nozzle 32 are controlled by the PLC device 18 based on signals, for example received by a camera which detects the position of the bases 12.
  • the longitudinal movement of the nozzle 32 may be synchronized with the travel of the conveyor belt 26, so as to allow the resin 14 to be cast precisely on each base 12, or the travel of the conveyor belt 26 may be stopped intermittently to allow the resin 14 to be cast on all the bases 12 adhering to a length of the flexible support material.
  • This length is then directed toward the crosslinking apparatus for irradiation following the travel of the conveyor belt 26.
  • the longitudinal movement of the lamps 40 of the crosslinking apparatus may be synchronized with the travel of the conveyor belt 26 so as to irradiate the resin 14 cast onto each base 12 for a time sufficient to cause complete crosslinking, or the travel of the conveyor belt 26 may be stopped intermittently for a time sufficient to allow one of the lamps 40 to irradiate the resin 14 cast onto each of the bases 12 adhering to a length of the flexible material, so as to cause its complete crosslinking.

Landscapes

  • Labeling Devices (AREA)
  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

La machine comprend : un premier arbre motorisé (20) destiné à dérouler un rouleau de matériau souple (10) portant une pluralité de bases adhésives (12) ; une bande transporteuse (26) conçue pour soutenir le matériau souple dans une configuration plate le long d'une direction de déplacement ; une buse (32) destinée à couler la résine (14) sur la base (12) des étiquettes, située au-dessus de la bande transporteuse (26) ; une lampe UV (40) placée au-dessus de la bande transporteuse (26) en aval de la buse (32), destinée à réticuler la résine coulée (14) ; et un second arbre motorisé (46) destiné à réenrouler le rouleau (10) portant une pluralité d'étiquettes, chacune comprenant une base adhésive (12) enduite d'une couche de résine réticulée (14).
PCT/IB2021/053662 2020-05-04 2021-05-03 Machine de production d'un rouleau portant une pluralité d'étiquettes enduites de résine WO2021224747A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102020000009670 2020-05-04
IT102020000009670A IT202000009670A1 (it) 2020-05-04 2020-05-04 Macchina per la produzione di un rotolo portante una pluralità di etichette resinate

Publications (1)

Publication Number Publication Date
WO2021224747A1 true WO2021224747A1 (fr) 2021-11-11

Family

ID=71662239

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/053662 WO2021224747A1 (fr) 2020-05-04 2021-05-03 Machine de production d'un rouleau portant une pluralité d'étiquettes enduites de résine

Country Status (2)

Country Link
IT (1) IT202000009670A1 (fr)
WO (1) WO2021224747A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0733467A2 (fr) * 1995-03-23 1996-09-25 Marquip, Inc. Dispositif de laminage de feuilles en carton ondulé
US6212984B1 (en) * 1998-03-18 2001-04-10 Roger G. Kane Rotary label die cutter
DE102010001794A1 (de) * 2010-02-11 2011-08-11 Kreutz, Kerry Wilhelm, 51109 Verfahren und Vorrichtung zur Herstellung von Etiketten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0733467A2 (fr) * 1995-03-23 1996-09-25 Marquip, Inc. Dispositif de laminage de feuilles en carton ondulé
US6212984B1 (en) * 1998-03-18 2001-04-10 Roger G. Kane Rotary label die cutter
DE102010001794A1 (de) * 2010-02-11 2011-08-11 Kreutz, Kerry Wilhelm, 51109 Verfahren und Vorrichtung zur Herstellung von Etiketten

Also Published As

Publication number Publication date
IT202000009670A1 (it) 2021-11-04

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