WO2010057518A1 - Procédé et installation de production de laminés et produit de laminage intermédiaire - Google Patents

Procédé et installation de production de laminés et produit de laminage intermédiaire Download PDF

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Publication number
WO2010057518A1
WO2010057518A1 PCT/EP2008/065736 EP2008065736W WO2010057518A1 WO 2010057518 A1 WO2010057518 A1 WO 2010057518A1 EP 2008065736 W EP2008065736 W EP 2008065736W WO 2010057518 A1 WO2010057518 A1 WO 2010057518A1
Authority
WO
WIPO (PCT)
Prior art keywords
laminating
web
objects
adhesive
station
Prior art date
Application number
PCT/EP2008/065736
Other languages
German (de)
English (en)
Inventor
Radovan Krajnovic
Original Assignee
Atc All Thin Convert Ag
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 Atc All Thin Convert Ag filed Critical Atc All Thin Convert Ag
Priority to PCT/EP2008/065736 priority Critical patent/WO2010057518A1/fr
Publication of WO2010057518A1 publication Critical patent/WO2010057518A1/fr

Links

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
    • 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
    • B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing 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
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
    • B65C9/1869—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip and being transferred directly from the backing strip onto the article

Definitions

  • the invention relates to a method and an installation for producing laminates according to claims 1 and 18 and a laminating intermediate according to claim 30.
  • Laminates according to the invention are products in which a film-like laminating material is mounted on an object in order to protect and / or mark and / or beautify it.
  • Common laminates of this type are packaging of various kinds, such as Tetrapacks® or bags, and coated unpackaged items such as pens of various kinds.
  • a laminating web of a film-like laminating material is essentially produced which consists essentially of a support material and a backing material web and a lamination material web of the actual laminating material.
  • the lamination material is pre-printed, pre-dyed or pre-stamped.
  • the backing sheet is attached to a first surface of the laminate web by means of a temporary adhesive, which may also be referred to as peelable adhesive.
  • a temporary adhesive which may also be referred to as peelable adhesive.
  • the backing sheet, the peel adhesive and the lamination material web together form a pre-web.
  • a laminating adhesive which can also be referred to as a permanent adhesive, is applied to the preliminary web, namely on the free surface of the laminating material web, and in this way produces a laminating web.
  • This lamination web is then brought together with the objects to be laminated, and laminating is performed by applying laminating pressure.
  • the laminating pressure required for this purpose is exerted by two pressure roller arrangements, between which the objects and the laminating path are guided with the support track.
  • the backing sheet is peeled off the laminating sheet, which is possible because a temporary or peel adhesive has been used to bond, allowing separation of the bonded materials without destroying them. In no case, work is done on the entire railway
  • the production of laminates with one or, if appropriate, a plurality of laminating sections on a large number of discrete objects is carried out as follows.
  • the objects are provided and supplied.
  • a laminating web is provided and supplied comprising a backing sheet, a layer of temporary adhesive and prefabricated lamination portions of a laminating material. Thanks to the temporary adhesive, the laminating sections temporarily adhere to the support track. On the laminating sections is on the opposite surface of the temporary adhesive a laminate adhesive.
  • the laminating web and the objects are brought together so that corresponding locations of the objects rest against associated laminating sections. Then the actual lamination takes place under laminating pressure and peeling off the support web.
  • an overall web is provided comprising the backing sheet, the temporary adhesive, a laminating sheet and the laminating adhesive, which is applied either over the entire surface of the laminating sheet or only on the laminating portions.
  • the laminating sections to be used can be prefabricated from the laminating material web for the laminating web. This can be done by separating and removing scrap sections (also called matrix) that will not be present in the finished laminates from the laminating sections, along with the layer of laminating adhesive adhered to them. What remains is the actual laminating web, comprising the backing sheet, the temporary adhesive and the individual laminating sections with the laminating adhesive adhering to them. This laminating web is then brought together with the individual objects, such that in each case a single individual laminating section, or the laminating adhesive adhering to it, comes into contact with the desired location of one of the corresponding objects. Under laminating then the lamination is carried out, and the support sheet is separated or peeled off and discharged.
  • scrap sections also called matrix
  • the invention is a partial lamination or section lamination. Not a whole laminating material web of the laminating material but only the individual laminating sections are subjected to the actual lamination process in the strict sense. This is possible because the sections are prefabricated prior to the actual lamination by performing a lamination of the lamination web. Preferably and almost exclusively, the lamination is carried out here as cold lamination.
  • the laminating material is usually at least partially pre-printed and / or pre-embossed and / or pre-dyed before the application of the permanent adhesive. This is preferably done on that surface of the laminating tape, which come to rest in the finished laminates on the objects (ie, are turned inwards), so that the laminating material forms a protective layer for the form attached to it.
  • the laminating adhesive may be applied substantially entirely to the lamination web, but may also be applied only selectively (e.g., in stripes) to the lamination sections, or optionally to the respective areas of the objects, by suitably located adhesive dispensers.
  • laminating adhesive applied to the laminating material may be taken to mean a complete adhesive, self-curing adhesive or a first component of, for example, a two-component adhesive, in the latter case the second or further component elsewhere on the laminating material or, if applicable, directly on the laminating material Objects is applied.
  • a device is provided to at least dry the laminating adhesive.
  • the separation of the laminating sections from the waste sections can be carried out in various ways, for example by mechanical cutting, scoring, punching or perforating, for example by means of a roller. However, this separation of the laminating sections from the waste sections can also be carried out by means of heat, for example by means of a laser aggregate.
  • the waste sections can form a coherent waste web, for example a grid web (matrix), which can preferably be wound up.
  • a grid web matrix
  • the actual lamination takes place in a laminating station.
  • a laminating station Here are different variants possible.
  • the lamination web may be continuously fed to a buffer station and timed from the buffer station to the lamination station.
  • the objects are fed clocked in this case.
  • Another, continuous variant of the lamination is possible with objects that are so arranged and stored in a conveying mechanism so that they are rotatable about transverse or perpendicular to the conveying direction of the conveying mechanism extending axes.
  • the objects move through the laminating station at an object speed.
  • the lamination web, that is the backing sheet with the laminating sections is fed at a web speed. It is essential that the web speed is lower than the object speed.
  • the objects are set into rotation by contact with the residual web, and as a result the laminating sections, as it were, wrap themselves around the objects themselves.
  • the objects of the lamination station are fed continuously or clocked, while feeding the residual web continuously.
  • the pressure for lamination is exerted locally discontinuously, as seen in the conveying direction of the objects, the lamination roller assembly swings back and forth and rolls on the resulting laminate.
  • the objects are mounted in their conveying mechanism so that they perform relative to the conveying mechanism no or no significant movement.
  • Fig. 1 shows a first embodiment of a system according to the invention, for the lamination of prismatic or rotatable objects, in a highly simplified, schematic representation
  • Fig. 2 shows a second embodiment of a plant according to the invention, for the lamination of prismatic or rotatable objects, in the same representation as Fig. 1;
  • FIG. 3 shows a third embodiment of a plant according to the invention, for the lamination of non-rotatable objects, in the same representation as in FIGS. 1 and 2;
  • Fig. 4 shows a laminating intermediate
  • Fig. 5 shows a beverage can as an example
  • Fig. 6 an intermediate product
  • Fig. 7 shows another intermediate
  • Fig. 8A is a waste path
  • Fig. 8B a laminating sheet.
  • the final products are produced in the form of laminates Z, which essentially consist of objects A with one or, if appropriate, several laminating sections B1.
  • Fig. 5 is shown as an example of a beverage can A, which has on one side a partial laminating bl.
  • the invention is suitable for numerous other objects, such as pens, tubes (if possible before gluing or welding of the lower tube end), tubes and rollers, bottles, cans, cans, etc.
  • a lamination web B consisting essentially only of the lamination material
  • a backing sheet C for example of paper, fabric or (synthetic) fabric, at least approximately the same width as the lamination material web B;
  • a pre-web B-KT-C (see Fig. 6) comprising the laminating material web B of the lamination material and the backing web C and a temporary adhesive KT bonding the laminating web B and the backing web C in a non-destructively releasable manner;
  • an overall web KL-B-KT-C (see Fig. 7) comprising the pre-web B-KT-C and a layer of a laminating adhesive KL on the surface of the laminating web B opposite the temporary adhesive KT;
  • Waste sections KL (b2) -b2 or a waste web KL (B2) -B2 comprising individual or web-like connected waste sections b2 of the laminating web B with the laminating adhesive KL;
  • a laminating sheet KL (bl) -bl-KT-C (see Fig. 8B) comprising the backing sheet C exposed by the temporary adhesive KT to its adherent laminating portions bl and the laminating adhesive KL (bl) present on the laminating portions bl.
  • the objects A and the laminates Z and the various webs move in the direction of the respective arrows.
  • the objects A are also moved, for example, by a rotational movement, e.g. by means of a drum, can be added and removed.
  • the said drum then serves as a conveying mechanism.
  • the plant 100 shown in Fig. 1 shows a first variant for realizing the invention.
  • the system 100 comprises a conveyor mechanism 110 for feeding the objects A and for discharging the laminates Z.
  • the system 100 comprises a dispenser 112, here an unwinding device, for dispensing the pre-web B-KT-C.
  • This dispensing device 112 is connected downstream a gluing station 114, in which the pre-web B-KT-C is provided with the laminating adhesive KL, whereby the total web KL-B-KT-C is formed.
  • the total web KL-B-KT-C continues into an optional drying station 116, where the laminating adhesive KL is dried (before).
  • the total web KL-B-KT-C continues into a separating station 118, where the laminating material web B is severed, on the one hand in lamination sections bl and on the other hand in waste sections b2.
  • This process is shown very schematically in FIGS. 8A and 8B.
  • the backing sheet C remains substantially intact or continuous.
  • the laminating sections B1 carry a part KL (bl) of the layer of the laminating adhesive KL, the waste sections b2 a part KL (b2) of this layer of the laminating adhesive KL.
  • the waste sections b2 can, as in the present exemplary embodiment according to FIG.
  • waste web KL (b2) -b2 forms a contiguous, for example grid-like, waste web KL (b2) -b2, as indicated in FIG. 8A.
  • This waste web KL (b2) -b2 runs, for example, to a receiving device 120, in the present case to a take-up device.
  • a receiving device 120 in the present case to a take-up device.
  • an at least partially glued web namely the waste web KL (b2) -b2
  • the actual laminating web KL (bl) -bl-KT-C remains, as indicated in FIG. 8B.
  • This laminating path KL (bl) -bl-KT-C now runs to a buffer station 122, the function of which will be explained below. From the buffer station 122, the laminating web KL (bl) -bl-KT-C is then brought together in a laminating station 124 with the objects A and there is the actual lamination, the finished products or laminates Z arise.
  • the support sheet C is severed and fed to a take-up device 126 or take-up station.
  • the support path C can possibly be used several times.
  • a print on the laminating material web B can be at suitable place, for example between the dispenser 112 and the Gluing station 114, a system for printing and / or embossing of the laminating B be provided.
  • the lamination in the laminating station 124 takes place under laminating pressure.
  • the laminating pressure is exerted by laminating roller arrangement 125 arranged above the laminates.
  • a separate counterpressure arrangement 123 such as a second laminating roller arrangement, is unnecessary, since instead of such, objects A located in laminating station 124 or in the area of laminating roller device 125 are themselves counterpressure arrangements 123 to be used.
  • the buffer station 122 mentioned above has the task of buffering the continuously fed laminating path KL (bl) -bl-KT-C such that the latter leaves the buffer station 122 in a clocked manner, in accordance with the clocked supply in this embodiment as well individual objects A.
  • the plant 200 shown in Fig. 2 is for laminating substantially prismatic objects A and differs from the plant of Fig. 1 as follows: No buffer station is required.
  • the prismatic objects A are mounted in or on the conveyor mechanism 210 so that they are rotatable about their axis of rotation extending transversely to the conveying direction.
  • the conveyor mechanism 210 feeds the objects A to the laminating station 224 at a continuous object speed v (O).
  • the laminating web KL (bl) -bl-KT-C is also supplied to the laminating station 224 continuously at a web speed v (B).
  • the object velocity v (O) is higher than the web velocity v (B).
  • the laminating sections b1 come into abutment with the objects A, thereby causing the latter to rotate, and the laminating sections b1 wind on the objects A.
  • This process is based on the difference of the web speed v (B) on the one hand and the object speed v (O) on the other hand.
  • objects A are processed which have an area to be provided with the laminating sections 11, which surface is flat or rather less curved.
  • the objects A are mounted in the conveyor mechanism 310 so that they can perform no or no significant movement relative to the conveyor mechanism 310.
  • the objects A and the laminating path KL (bl) -bl-KT-C are fed to the laminating station 324 in a timed manner.
  • the laminating roller assembly 325 is formed so that the pressure required for laminating, seen in the conveying direction of the conveying mechanism 310, varies with time. This is done by the laminating roller assembly 325 is pivotally mounted, wherein the pivoting movement takes place about a transverse to the conveying direction of the conveying mechanism 310 pivot axis.
  • the laminating roller assembly 325 is therefore rolled off on each of the objects A to a certain extent.
  • the separating station 118, 218, 318 in which the lamination sections b 1 are separated from the waste sections b 2 on the lamination material web B, can have cutting or punching rollers or other suitable separating elements. Alternatively, a separation by heat, for example by a laser aggregate in question.
  • the buffer station 122, 322 has, for example, a plurality of series connected pulleys, which are preferably arranged so that they deflect the laminating KL (bl) -bl-KT-C in each case by 180 °, wherein the rollers are displaceable transversely to their axes so as to change the distance between the pulleys and thereby create a longer or shorter buffer distance.
  • the waste portions b2 of the lamination web B can be removed in any manner.
  • the laminates are designed so that the waste sections form a coherent web, for example a type of grid web, which can then be wound up in the receiving device 120, 220, 320.
  • FIGS. 1 to 3 which are similar in that the method steps in all three examples proceed essentially in the same way. This is not mandatory.
  • the gluing can also take place elsewhere or on the objects A.
  • an intermediate product is provided for lamination, which has the backing sheet C, the temporary adhesive KT and the lamination sections bl.
  • the laminating sections B1 can be provided with the laminating adhesive KL.
  • the plant according to the invention is particularly suitable for webs in a width range up to 20cm.
  • the width available for printing is usually slightly narrower. But it can also be realized larger or smaller widths.
  • the lamination speed that is the web speeds, can be in a range of 2 to 10 m / min. It is important that the unwinding device is laterally adjustable during operation.

Landscapes

  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Pour permettre la production de laminés (Z ou b1-KL(b1)-A) par laminage d'objets (A) avec des fragments de laminage (b1) d'un matériau de laminage, les objets (A) sont amenés à une station de laminage (124). En parallèle de cela, une bande de laminage (KL(b1)-b1-KT-C) est préparée et amenée à la station de laminage (124) qui contient une bande de support (C), une couche d'adhésif temporaire (KT) et les fragments de laminage (b1) sur lesquels est appliqué un adhésif de laminage (KL). Dans la station de laminage (124), la bande de laminage (KL(b1)- b1-KT-C) et la rangée d'objets (A) sont assemblés, les objets (A) étant mis en contact avec l'adhésif permanent (KL(b1)) de fragments de laminage (b1) associés. Les objets (A) et les fragments de laminage (b1) associés sont alors laminés par application d'une pression de laminage, et la bande de support (C) est retirée des fragments de laminage (b1).
PCT/EP2008/065736 2008-11-18 2008-11-18 Procédé et installation de production de laminés et produit de laminage intermédiaire WO2010057518A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/065736 WO2010057518A1 (fr) 2008-11-18 2008-11-18 Procédé et installation de production de laminés et produit de laminage intermédiaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/065736 WO2010057518A1 (fr) 2008-11-18 2008-11-18 Procédé et installation de production de laminés et produit de laminage intermédiaire

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WO2010057518A1 true WO2010057518A1 (fr) 2010-05-27

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874499A (en) * 1956-04-11 1959-02-24 Dennison Mfg Co Transfer labeling apparatus
CA589276A (fr) * 1959-12-22 Asnes Benjamin Decalcomanie sensible a la pression
DE2360123A1 (de) * 1973-12-03 1975-06-12 Maag & Schenk Verfahren zur herstellung von beflockten klebeetiketten
US4219596A (en) * 1977-11-07 1980-08-26 Avery International Corporation Matrix free thin labels
GB2170176A (en) * 1985-01-22 1986-07-30 S & M Print mounting
US4759968A (en) * 1986-04-01 1988-07-26 Minnesota Mining And Manufacturing Company Transfer graphic article
EP0352124A2 (fr) * 1988-07-20 1990-01-24 Revolutionary Adhesive Materials Ltd. Etiquettes adhésives et leur procédé de fabrication
DE19629718A1 (de) * 1996-07-25 1998-01-29 Ortmann & Herbst Masch Gmbh Etikettierverfahren und Vorrichtung zur Durchführung des Verfahrens
FR2763017A1 (fr) * 1997-05-06 1998-11-13 Gerard Jean Pierre Fiancette Procede et appareil pour realiser des bandes continues d'etiquettes autocollantes a partir d'une pluralite de feuilles distinctes preimprimees
US6547913B1 (en) * 2000-09-07 2003-04-15 Airtrim, Inc. Apparatus for conveying an adhesively coated scrap lattice web
US20050067111A1 (en) * 2003-09-30 2005-03-31 Mcc-Dec Tech, L.L.C. System and associated method for high output label application
US20060096710A1 (en) * 2004-11-08 2006-05-11 Lintec Corporation Roll and printer
US20060216451A1 (en) * 2005-03-24 2006-09-28 Nastar Inc. Repositionable labels using dot patterned adhesive

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA589276A (fr) * 1959-12-22 Asnes Benjamin Decalcomanie sensible a la pression
US2874499A (en) * 1956-04-11 1959-02-24 Dennison Mfg Co Transfer labeling apparatus
DE2360123A1 (de) * 1973-12-03 1975-06-12 Maag & Schenk Verfahren zur herstellung von beflockten klebeetiketten
US4219596A (en) * 1977-11-07 1980-08-26 Avery International Corporation Matrix free thin labels
GB2170176A (en) * 1985-01-22 1986-07-30 S & M Print mounting
US4759968A (en) * 1986-04-01 1988-07-26 Minnesota Mining And Manufacturing Company Transfer graphic article
EP0352124A2 (fr) * 1988-07-20 1990-01-24 Revolutionary Adhesive Materials Ltd. Etiquettes adhésives et leur procédé de fabrication
DE19629718A1 (de) * 1996-07-25 1998-01-29 Ortmann & Herbst Masch Gmbh Etikettierverfahren und Vorrichtung zur Durchführung des Verfahrens
FR2763017A1 (fr) * 1997-05-06 1998-11-13 Gerard Jean Pierre Fiancette Procede et appareil pour realiser des bandes continues d'etiquettes autocollantes a partir d'une pluralite de feuilles distinctes preimprimees
US6547913B1 (en) * 2000-09-07 2003-04-15 Airtrim, Inc. Apparatus for conveying an adhesively coated scrap lattice web
US20050067111A1 (en) * 2003-09-30 2005-03-31 Mcc-Dec Tech, L.L.C. System and associated method for high output label application
US20060096710A1 (en) * 2004-11-08 2006-05-11 Lintec Corporation Roll and printer
US20060216451A1 (en) * 2005-03-24 2006-09-28 Nastar Inc. Repositionable labels using dot patterned adhesive

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