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EP2170594B1 - Procédé de fabrication de découpes pour emballage - Google Patents

Procédé de fabrication de découpes pour emballage Download PDF

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Publication number
EP2170594B1
EP2170594B1 EP08709429.8A EP08709429A EP2170594B1 EP 2170594 B1 EP2170594 B1 EP 2170594B1 EP 08709429 A EP08709429 A EP 08709429A EP 2170594 B1 EP2170594 B1 EP 2170594B1
Authority
EP
European Patent Office
Prior art keywords
web
substrate
paper
cut
blanks
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.)
Active
Application number
EP08709429.8A
Other languages
German (de)
English (en)
Other versions
EP2170594A1 (fr
EP2170594B3 (fr
Inventor
David Barry Smith
Stephen Robert Burton
Mark Andrew Tabor
Jeremy David Woodcock
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.)
Coveris Flexibles UK Ltd
Original Assignee
Coveris Flexibles UK Ltd
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 Coveris Flexibles UK Ltd filed Critical Coveris Flexibles UK Ltd
Priority to EP15197158.7A priority Critical patent/EP3009262B1/fr
Publication of EP2170594A1 publication Critical patent/EP2170594A1/fr
Application granted granted Critical
Publication of EP2170594B1 publication Critical patent/EP2170594B1/fr
Publication of EP2170594B3 publication Critical patent/EP2170594B3/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/16—Cutting 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/001—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs made from laminated webs, e.g. including laminating the 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/006—Controlling; Regulating; Measuring; Improving safety
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/82—Forming or attaching windows
    • B31B50/83—Cutting window openings
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/88—Printing; Embossing

Definitions

  • the present invention relates to a method of manufacturing blanks for packaging. More particularly, the present invention relates to a method of manufacturing a repeating array of blanks for forming packaging articles such as sandwich wedges or baguette packages.
  • paperboard packaging has supplanted the use of clear plastic trays and wedges in applications such as the sale of pre-prepared sandwiches, baguettes, wraps and the like. This has occurred largely due to a perception amongst customers that paperboard is a more environmentally friendly material from which to produce packaging, and also because it enables the retailer to have a greater surface area available for the printing of product information and promotional material on the package without having to adhere multiple additional labels to the package.
  • these foodstuffs often contain liquids and fatty material. So, to prevent this material soaking into the paperboard, it is typically coated with a layer of polyethylene (PE) or the like on the inner face of the package to act as a barrier to this migration.
  • PE polyethylene
  • PE is not biodegradable, and also makes it more difficult to recycle the paperboard.
  • US3379102 (A. L. James et al ) discloses a container for liquid formed from paperboard which is coated or impregnated to be liquid-proofed and has a transparent tape applied in a heat seal process over a window therein to make the container liquid-tight when erected.
  • the blanks for forming the carton are made by die cutting standard sized sheets of paperboard in a process which is not continuous, adding to the cost of manufacture.
  • a clear plastic window is also provided in the carton.
  • This window is formed from a separate sheet of plastics material that is glued to the inner face of the carton. Since this is an additional step to the carton manufacturing process, it increases the cost of the carton, as well as making recycling yet more problematic.
  • one aspect of the present invention provides a method of manufacturing a repeating array of blanks as defined in claim 1.
  • the plastics material is a biodegradable plastics material.
  • the biodegradable plastics material is polymerised lactic acid resin.
  • the web of plastics material has a thickness in the range of 12 ⁇ m to 75 ⁇ m.
  • the substrate has a mass per unit area in the range of 100 g/m 2 to 200 g/m 2.
  • the method further comprising a step of adjusting the tension of one portion of the web of substrate separately from another portion thereof prior to step b).
  • the method further comprising the step of diverting the laminate through in excess of 90°, preferably approaching 180° after step b).
  • a known flexographic (flexo) press 10 comprises an unwind roll 12 of a substrate such as paper or paperboard 13 (hereinafter referred to generally as "paper") to be printed, and a series of print stations 14a-14h, there being in this embodiment eight, at which individual ink colours, adhesives and other liquid or semi-liquid coatings can be applied to the paper 13.
  • the number of stations varies from one upwards, but typically 7-12 stations are used for consumer packaging.
  • OPP oriented polypropylene
  • polyethylene polyethylene 16 into the press from a plastics roll 18, applying adhesive to the paper 13 at print station 14h, and pressing the paper 13 and film 16 together at a nip roller 20 to secure them together.
  • the laminate material 22 is then fed into a die cut and master control/sheeting unit 24 to have cuts, and/or perforations provided therein according to the intended use of the laminate. It is then wound onto a rewind roll 26 for transportation or storage. Alternatively, it is known for the sheeting unit to cut the reel into multiple sheets of labels for later use.
  • This process is typically employed for the production of self-adhesive labels that have a layer of plastic applied thereto for protection (e.g. labels for milk cartons).
  • the labels are secured to a layer of release liner throughout the process.
  • the cutter is set up so as to cut through both layers of the laminate material against the release liner, which is left intact.
  • FIG 2 is a schematic side view of an eight colour ultraviolet (UV) flexo press, which has been adapted and reconfigured according to an embodiment of the present invention.
  • UV ultraviolet
  • a suitable press that may be adapted is the 4150 model, manufactured by Mark Andy, Inc of St. Louis, Missouri. Like numerals have been used for parts similar to the prior art press 10, but with the addition of the prefix "1".
  • the press 110 comprises an unwind roll 112 of substrate 2, in this embodiment of paper 113, typically having a mass per unit area of between 100 and 200 g/m 2 .
  • substrate 2 in this embodiment of paper 113, typically having a mass per unit area of between 100 and 200 g/m 2 .
  • sandwich cartons for triangular cut sandwiches (“wedge packs"), this would typically be between 150 and 200 g/m 2 , e.g. 170 g/m 2 whereas for more flexible tubular filled baguette cartons it would typically be between 100 and 150 g/m 2 , e.g. 115 g/m 2 , for reasons discussed below.
  • different substrates such as OPP or PLA (polymerised lactic acid), polyester, PET, cellulose or other biodegradable/recyclable films may be used.
  • the illustrated paths of webs through the press 110 have been simplified for the sake of clarity, and would in reality be more complex (see e.g. Figure 4 ).
  • the press includes a mechanised drive system (not shown) to feed the webs of paper and plastics film through the press under tension.
  • the drive is capable of adjusting the tension of the webs to produce a good quality finished product without the webs tearing.
  • the web of paper 113 is fed down the press.
  • various colour inks are applied to the top side of the paper 113 (which will ultimately be the outer face of the finished packaging article formed from the blanks of the process according to the present invention).
  • the printing stations additionally print markers, such as die cut markers, to be used by later stages of the carton production process, that do not themselves form part of the present invention.
  • the print stations 114a to 114g may also apply varnishes and lacquers (typically this would be the seventh station 114g in the case of an eight station press).
  • each print station 114a to 114g has an associated UV curing device to cure one coat of ink before the next is applied.
  • different inks e.g. water based inks
  • the UV curing devices may be dispensed with, or replaced by IR heaters and/or ovens.
  • a camera 130 is also provided directed at a register print area of the web 113 to ensure the alignment of the various ink colours applied at stations 114a to 114g, and to check that markers ( Figure 5 , 136) used for the later die cut stage are correctly located.
  • Lamination adhesive ( Figure 5 , 146) is applied to the upper face of the web from a storage reservoir (not shown) using an anilox roller, impression cylinder and plate (also not shown) such that an even coating of adhesive 146 is applied over the entire upper face of the web 113, except for areas where windows or apertures are to be cut from web. At these locations, an additional margin of approx.1 - 5 mm (preferably about 2mm) is left around the intended window area, where no adhesive is applied. This ensures that the adhesive does not find its way onto externally visible areas of the plastics film web 116 when this is applied to the paper web 113, spoiling its appearance.
  • the amount of adhesive 146 applied to the web 113 is adjusted so the minimum amount that provides a "fibre tear" adhesion (as opposed to a lower level of adhesion that causes delamination of film 116 without damaging the paper fibres of the web 113).
  • a plastics film web 116 is fed from a second roll 118 and is fed into the final (eighth) print station 114h via a corona treatment device 134.
  • the corona treatment device 134 promotes the adhesion of the adhesive to the film web 116.
  • the plastics film web 116 is either the same width as the paper web 113, or slightly narrower.
  • a compostable, biodegradable film is preferably used.
  • a "bioplastic" film such as polymerised lactic acid (PLA) resin film is used.
  • PVA polymerised lactic acid
  • Such film is supplied by Polyfilms of Mantes la Ville, France (formerly the Treofan Group of Raunheim, Germany) under the trade name Biophan RTM .
  • the film web 116 has a typical thickness of 20 ⁇ m (the current minimum thickness achievable) and is oriented on a single axis as a result of the extrusion process used in its manufacture. In other embodiments the film web may range in thickness up to 50 ⁇ m.
  • the plastics film web 116 is brought together with the paper web 113 at a laminating station just after the adhesive 146 has been applied thereto.
  • the two films are fed through nip rollers 120a and 120b so that the plastics film web 116 is secured to the paper web 113 and a laminate 122 of the two materials is formed.
  • the film web 116 may be heat-adhered to the paper web 113, except where windows are to be cut from the paper web 113. It is also possible that the adhesive may be applied to the film web 116 instead of the paper web 113.
  • the laminate is then fed to a die-cut and master control/sheeting unit 124 where perforations and/or cut lines are provided in the paper web 113 only, by "back-cutting" the paper web from the underside.
  • This is achieved by using a die cutting roller to cut against the film web 116 in the manner of a backing or liner, by carefully controlling the weight applied to the laminate 122 from above so that only the paper web 113 is cut through, leaving the film web 116 intact.
  • perforations 138 are provided where the blank is to be folded, whereas uninterrupted cut lines 141 are provided where windows 142 are to be provided in the blank.
  • the material bounded by the cut lines 141 detaches from the laminate 122 under gravity, leaving behind the film web 116 to form a transparent "pane" in the window.
  • the outer periphery of the blank is not cut at this stage.
  • the sides of the web 116 are trimmed to the required width as part of the cutting process, however.
  • the laminate 122 passes a second camera and strobe 140 in the die cut and master control/sheeting unit 124 to enable an operator to check for registration of the perforations and cuts to the print, and for alignment of the lamination.
  • the laminate is wound anticlockwise onto a rewind roll 126 (so the printed face is outermost, and can be transferred to another location for the separation, erection and loading of the blanks 150, which processes do not form part of the present invention.
  • a rewind roll 126 so the printed face is outermost, and can be transferred to another location for the separation, erection and loading of the blanks 150, which processes do not form part of the present invention.
  • one or more of these processes may be carried out in-line with the processes of the present invention, if the complete carton manufacturing process is carried out at a single site.
  • the ink printing steps may be carried out at a separate location from the lamination step, and the die-cutting step may be carried out at a separate location from the lamination step, with rolls of part-processed material being transported as required, within the scope of the present invention.
  • a section of the finished laminate 122 having three blanks 150 partially formed therein, and a cross-section through one of those blanks are illustrated respectively.
  • the width of the web can be varied, dependent upon the blanks to be manufactured, and blanks may also be produced two or more abreast on the web or staggered in order to make optimum use of the area.
  • Standard machine widths are 333 mm, 406 mm (16") and 508 mm (20").
  • the individual partially formed blanks are those that of a known basic design of sandwich wedge having a clear window 142 on one face.
  • such blanks are not, in the prior art, provided in series on an elongate web, and have a separate clear plastics window patch over the window which is adhered to the paper surrounding window only in the immediate vicinity of the window.
  • a separate layer of polyethylene (PE) or the like is co-extruded with the board on its inner face to act as a moisture/fat barrier in the prior art, but docs not extend over the window.
  • score lines are provided where the blank is to be folded, instead of perforations in the paper web.
  • plastics film web 116 of the blanks in Figure 5 acts both as a barrier to fats and liquids, as well as acting as the "pane" in the window 142.
  • one layer of plastics film can be heat-sealed to a facing layer in an appropriately designed blank to erect and substantially hermetically seal the carton formed from the blank.
  • Figure 7 shows an array of two partially formed blanks 450 for forming a tubular baguette package, having a generally known layout of panels 480a - 480e forming the tube, a pair elongate panels 482a and 482b for forming a heat seal seam along the underside of the pack, and a plurality of panels indicated generally at 484 for forming gusseted ends for heat sealing.
  • a window is formed in the blanks, with the film laminate being the "pane" in the window.
  • Like parts are labelled the same as in Figure 5 , but with the prefix "4" instead of "1".
  • the substrate instead of the use of score lines to delineate the edges of the panels, the substrate only is perforated (see e.g. perforation lines 438) to promote folding, whilst also enabling the hermetic sealing of the pack, when erected.
  • perforation lines 4308 perforation lines
  • FIG. 3 a further embodiment of the process of the present invention is illustrated.
  • like numerals are used for equivalent parts, but with the prefix "2". Only differences with respect to the first embodiment are discussed in detail.
  • the apparatus may also be used to produce a variety of partially formed blanks including those illustrated in Figures 5 , 6 and 7 .
  • the press further differs from press 110 in that the die cut unit 224 is separated from the master control and sheeting unit 225 and is located upstream of the eighth print station 214h.
  • the die cut unit 224 also incorporates a "shock air” device such as those of the type provided by Gerhardt A/S of Kastrup, Denmark. This comprises a rotary die (not shown) that cuts waste material into small sections and has conduits therein through which compressed air is supplied to actively blow the waste material away from the rest of the web 213 to a suitable collection point, thereby enhancing the separation of waste material, and preventing it building up in areas where it may clog operation of the press 210.
  • the paper web 213 is weakened between the die cut unit 224 and the nip rollers 220a and 220b at the final (eighth) print station 214h where the lamination occurs.
  • a feed path that is as straight as possible, and which is as short as possible, in order to reduce the risk of the web tearing (sharp turns in the feed path promote the initiation of tears along perforation lines).
  • the paper web 213 is diverted through the minimum possible angle, preferably by less than 90°.
  • larger rollers are used at turns to minimise the amount of stress the paper web 213 undergoes.
  • the tension of the web also needs to be monitored closely to reduce the risk of tearing.
  • adhesive and film web 216 application occurs as in the first embodiment.
  • the finished laminate web 236 that is then wound onto the rewind roll 226 is substantially indistinguishable from the laminate 136 of the first embodiment, ready for the further separation and erecting and loading steps required to produce a finished carton.
  • subsequent processes may be carried out in line with the processes of the present invention.
  • the ink printing steps may occur at a different location from the laminating step and the die cutting step may also occur at a different location.
  • FIG. 4 and 4A only the end of a nine station press apparatus 310 according to another embodiment of the present invention is shown.
  • the general layout of the press apparatus 310 is similar to that of the Figure 3 embodiment and like numerals are, where possible, used for like parts, but with the addition of the prefix "3" instead of "2".
  • the press apparatus 310 of this embodiment incorporates a number of developments that have been found to enhance its reliability and improve the quality of the finished laminate web 336.
  • the apparatus may be used to produce a variety of partially formed blanks including those illustrated in Figures 5 , 6 and 7 .
  • the apparatus differs from that of Fig. 3 in the following ways: the die cut unit 324 incorporates an additional gear driven roller 358 to enhance feed of the substrate 313.
  • the die cut unit 324 further includes a hopper extraction system 360 for continuously removing the waste substrate from the shock air device.
  • a fixed tension bar 362 is provided in the final (ninth) print station 314i immediately upstream of the adhesive application.
  • the tension bar 362 is shown in more detail in Figure 4A and comprises a curved, smooth polished low friction plate (e.g. a stainless steel, chrome plated, or PTFE coated plate) 364.
  • the plate 364 is supported on its rear face by two adjustable supports 366, 368 at each end of the plate and one adjustable support 370 in the centre. Each support may be individually extended or retracted such that one portion of the substrate web 313 may be forced to travel a greater distance over the plate than the remainder to increase or decrease its amount of tension at that location.
  • the central support 370 is extended to increase the tension in this portion of the web up to the same level as the sides to prevent wrinkles occurring (cutting the window typically decreases the tension).
  • other sections of the plate 364 may be extended to ensure the correct portion of the web is tensioned. Additional supports may be provided for this purpose, or the location(s) of the support altered.
  • threaded supports and complementary nuts may be used.
  • the bar can, in other embodiments, be replaced by a curved roller to adjust the tension. However, a roller cannot be as easily adjusted as a stationary bar.
  • the bar may also be employed in the press apparatus of Figure 2 or Figure 3 .
  • the Figure 4 embodiment further differs from that of Figure 3 in that downstream of the nip roller where the film web 316 is laminated with the substrate web 313, a "chiller" UV lamp device 364 is provided to cure the adhesive.
  • the device includes a pair of rollers 366 and 368 that successively divert the laminate web 336 through angles in excess of 90° in opposite senses, preferably approaching 180°. Such a diversion results in the tension in the web being used to force the two web layers into closer contact at the same time as curing occurs. This may advantageously ensure a more accurate register between the layers of the laminate 336 and an improved bond between them.
  • the chiller UV lamp and roller arrangement may also be employed in the press apparatus of Figure 2 or Figure 3 . In some embodiments, a single roller diverting the web through greater than 90° may be sufficient.
  • the present invention provides a cost-effective method and apparatus for forming packaging blanks for foodstuffs, in particular perishable "convenience” foodstuffs such as sandwiches, baguettes, wraps and the like, and other foodstuffs requiring hermetic sealing such as cheese.
  • perishable "convenience" foodstuffs such as sandwiches, baguettes, wraps and the like
  • other foodstuffs requiring hermetic sealing such as cheese.
  • the method and apparatus could be used for the production of packaging blanks for other purposes, such as pharmaceutical goods, small hardware items such as fasteners, electrical goods, and a multitude of other products normally packaged in blister packs and the like.
  • the inks, lacquers, varnishes adhesives, paper and plastics material used may be altered according to the particular requirement for the end-use of the blanks.
  • the laminate may comprise two webs of plastics material instead of paper and plastic.
  • the laminate film may be adhered to the substrate by heat sealing, UV curing, or by having a self adhesive layer provided thereon.
  • One or both of the webs may itself be a laminate.
  • PE/EVOH Ethylene-Vinyl Alcohol Copolymer
  • the physical layout of the press may be altered to optimise the path of the webs therethrough.

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Claims (8)

  1. Procédé de fabrication d'un réseau répété d'ébauches (150, 450) pour former des emballages, procédé comprenant les étapes consistant à :
    a) alimenter en continu avec une nappe de support de papier seul (113, 213) une presse (110, 210, 310) par son entrée,
    b) fixer une nappe continue de matière plastique (116) de même largeur ou de largeur légèrement réduite par rapport à celle du support, pour coller cette nappe au support et former un produit pelliculé, et
    c) réaliser des perforations et/ou des découpes dans la nappe du support pour former le réseau répété d'ébauches, les perforations et/ou découpes (138, 141, 438) étant réalisées seulement dans la nappe de substrat de papier seul et au moins une coupe est effectuée dans la nappe de support de papier seul (113) pour définir les bords d'au moins une ouverture ou fenêtre (142, 442) dans la nappe de support de papier seul,
    d) imprimer la nappe de support avec des indices,
    l'étape a) précédant l'étape b) et l'étape c) précédant ou succédant à l'étape b).
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'
    il comprend en outre l'étape e) consistant à retourner la nappe de support de papier seul après l'étape d) et avant l'étape b).
  3. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'
    on applique l'adhésif (146) à la nappe de support de papier seul au cours d'une autre étape f), cette étape f) précédant l'étape b).
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'
    il comporte en outre l'étape h) précédant l'étape b) consistant à appliquer un traitement par décharge couronne à la nappe de matière plastique.
  5. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'
    il comprend en outre l'étape i) après l'étape b) et l'étape c) pour contrôler le produit pelliculé pour s'assurer que la nappe de matière plastique (116), la nappe de support de papier seul (113, 213) et les perforations et/les lignes de coupe sont correctement alignés.
  6. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'étape c) précède de préférence l'étape b) et dans l'étape c) on utilise un module de matrice de coupe avec une impulsion pneumatique pour enlever le support de papier seul entouré par au moins la découpe pour former la fenêtre ou l'ouverture.
  7. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la nappe de support de papier seul est fournie suivant un chemin entre l'étape c) et l'étape b) dans lequel le ou chaque retournement dévie le support de papier seul au plus d'un angle égal à 90°.
  8. Procédé selon l'une quelconque des revendications 1 à 6,
    selon lequel
    l'étape b) précède de préférence l'étape c) et les perforations et/ou découpes (138, 141, 438) sont réalisées uniquement dans la nappe de support de papier seul et de manière préférentielle, la nappe de support de papier seul est perforée et/ou coupée par en-dessous dans le procédé de découpe arrière.
EP08709429.8A 2007-02-16 2008-02-15 Procédé de fabrication de découpes pour emballage Active EP2170594B3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15197158.7A EP3009262B1 (fr) 2007-02-16 2008-02-15 Procédé de fabrication d'ébauches pour emballage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0703072.9A GB0703072D0 (en) 2007-02-16 2007-02-16 A method of manufacturing blanks for packaging
PCT/GB2008/000541 WO2008099195A1 (fr) 2007-02-16 2008-02-15 Procédé de fabrication de découpes pour emballage

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP15197158.7A Division EP3009262B1 (fr) 2007-02-16 2008-02-15 Procédé de fabrication d'ébauches pour emballage
EP15197158.7A Division-Into EP3009262B1 (fr) 2007-02-16 2008-02-15 Procédé de fabrication d'ébauches pour emballage

Publications (3)

Publication Number Publication Date
EP2170594A1 EP2170594A1 (fr) 2010-04-07
EP2170594B1 true EP2170594B1 (fr) 2015-12-02
EP2170594B3 EP2170594B3 (fr) 2023-11-08

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EP15197158.7A Active EP3009262B1 (fr) 2007-02-16 2008-02-15 Procédé de fabrication d'ébauches pour emballage
EP08709429.8A Active EP2170594B3 (fr) 2007-02-16 2008-02-15 Procédé de fabrication de découpes pour emballage

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Application Number Title Priority Date Filing Date
EP15197158.7A Active EP3009262B1 (fr) 2007-02-16 2008-02-15 Procédé de fabrication d'ébauches pour emballage

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GB201010789D0 (en) 2010-06-28 2010-08-11 St Neots Packaging Ltd Method & apparatus for making food carton
JP5713587B2 (ja) * 2010-06-29 2015-05-07 三菱重工印刷紙工機械株式会社 製函機，検査装置，及び製函機の印刷見当制御方法
GB2483437A (en) * 2010-09-03 2012-03-14 Chesapeake Ltd Method of producing a bag with an outer jacket
CN102398380A (zh) * 2011-10-21 2012-04-04 天津长荣印刷设备股份有限公司 一种有品质检测功能的糊盒机及其工作方法
US20210047102A1 (en) * 2019-08-14 2021-02-18 Pratt Corrugated Holdings, Inc. Insulated panels

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US3379102A (en) * 1965-10-07 1968-04-23 Heller Container and method of producing same
US3998116A (en) * 1975-03-03 1976-12-21 F. L. Smithe Machine Company, Inc. Apparatus for removing cut panels from sheet material
US4795513A (en) * 1983-02-01 1989-01-03 Adolph Coors Company Method and apparatus for producing a laminated composite material having perforated inner layer
US6854639B2 (en) * 1992-12-21 2005-02-15 Graphic Packaging International, Inc. Carton blank and method of forming a carton blank
US20060027303A1 (en) * 2004-08-05 2006-02-09 Graphic Packaging International, Inc. Method and system for manufacturing laminated cartons

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EP2170594A1 (fr) 2010-04-07
EP3009262A1 (fr) 2016-04-20
WO2008099195A1 (fr) 2008-08-21
EP2170594B3 (fr) 2023-11-08
EP3009262B1 (fr) 2024-05-22
GB0703072D0 (en) 2007-03-28

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