EP2697052B1 - Procédé et dispositif de production d'emballage pour articles de tabac - Google Patents

Procédé et dispositif de production d'emballage pour articles de tabac Download PDF

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Publication number
EP2697052B1
EP2697052B1 EP12713152.2A EP12713152A EP2697052B1 EP 2697052 B1 EP2697052 B1 EP 2697052B1 EP 12713152 A EP12713152 A EP 12713152A EP 2697052 B1 EP2697052 B1 EP 2697052B1
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EP
European Patent Office
Prior art keywords
unit
foil strip
creasing
embossing
cadence
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
EP12713152.2A
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German (de)
English (en)
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EP2697052A1 (fr
Inventor
Charles Boegli
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Boegli Gravures SA
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Boegli Gravures SA
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Publication date
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Priority to EP12713152.2A priority Critical patent/EP2697052B1/fr
Publication of EP2697052A1 publication Critical patent/EP2697052A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/228—Preparing and feeding blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/26—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for marking or coding completed packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • 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
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/10—Construction of rigid or semi-rigid containers provided with covers, e.g. lids
    • 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
    • B31B2241/00—Making bags or boxes intended for a specific use
    • B31B2241/003—Making cigarette boxes
    • 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
    • B31B50/006—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
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum
    • 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
    • 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
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0733—Pattern
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0738—Cross sectional profile of the embossments
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0741—Roller cooperating with a non-even counter roller
    • B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0741—Roller cooperating with a non-even counter roller
    • B31F2201/0748—Roller cooperating with a non-even counter roller having a dissimilar profile

Definitions

  • the present invention relates to a method and a device for producing a package for bar-shaped smoking articles that has at least one outer layer.
  • bar-shaped smoking articles is meant to include cigarettes, cigarillos, or cigars. For the sake of simplicity, mostly only cigarettes are mentioned in the following.
  • a cigarette package is generally composed of an inner package that may consist of paper, plastic material, metallized paper, or synthetic paper, in rare cases also of an aluminum foil, and of an outer package that may consist of thin cardboard as it is e.g. described in WO-2010/012370 A1 , or generally of plastic material, or of different layers of paper and plastic material, that offers sufficient mechanical protection, and may or not be provided with a protecting layer that protects from desiccation and/or the influence of odors.
  • both the inner package and the outer package are supplied as blanks to the packaging machine where the cigarettes are wrapped in the inner package and introduced into the shaped outer package.
  • the inner package can be embossed, i.e. satinized and provided with logos, according to known techniques.
  • Supplying the two blanks synchronously to the cycle of the packaging machine requires complex synchronizing means, particularly when the inner package is being embossed and/or printed.
  • the term "sign” is meant to include any kind of logotypes, individual points, groups of points, colors, as well as combinations thereof which are produced by the embossing roller(s) and are visually, tactually, acoustically, or olfactorily perceptible. This object is attained by the method according to claim 1 and by the device according to claim 13.
  • Fig. 1 shows a simplified flow chart of a possible device for producing a package for cigarettes as it is illustrated in Figures 12 and 14 .
  • Device 1 according to Fig. 1 comprises a foil strip reel 2 with a foil strip 3 that runs first through an embossing unit 4, then through a creasing unit 5, and finally through a cutting unit 6 in order to subsequently reach a packaging machine 7 as a blank 19.
  • the packaging foil i.e. the foil strip 3 for producing an outer package
  • a light material e.g. of paper, thin cardboard
  • hybrid foils i.e. foils having multiple coatings of different materials, or of plastics foils that may be metallized or otherwise coated, or for certain applications, in certain countries where it is still allowed, a metal foil.
  • this will simply be designated by the term "foil”.
  • device 1 comprises a synchronizing device that serves for adapting the operating cadence A1 of embossing unit 4 to the work cadence P of the packaging process.
  • Work cadence P may e.g. be defined by a length of packaging foil 3 that is to be fed to the packaging machine per time unit and to which operating cadence A1 of embossing unit 4 has to be adjusted in the pretreatment of foil 3.
  • the surface structures may be structures of the embossed signs 23S, 24S.
  • Synchronizing unit 8 comprises a detection device 9 for determining the operating cadence A1 of embossing unit 4. This may e.g. include an optical detection of the position of surface structures 23 that have been embossed on foil 3 in embossing unit 4. More specifically, the detection takes place on the transport path between embossing unit 4 and creasing unit 5.
  • the detected operating cadence A1 may subsequently be adapted to work cadence P in a positioning device 10.
  • a manual and/or automated adaptation procedure may be contemplated.
  • the driven roller may be temporarily disengaged from the drive in order to thus lengthen the transport path of foil 3 by a desired amount that will be in conformity with work cadence P.
  • the demand-driven lengthening of the transport path of foil 3 is compensated by a buffer unit 14a located downstream of embossing unit 4.
  • device 1 comprises a second regulating unit 11.
  • Regulating unit 11 comprises a comparing device 12 that allows detecting a quantitative deviation between operating cadences A1 and A2 of the embossing unit and of the creasing unit. This may e.g. be accomplished by means of an optical representation by a lamp that is arranged to irradiate the foil with light at regular time intervals in the manner of a strobe. The irradiation frequency preferably corresponds to work cadence P. In this manner, an optical representation of the relative position of the surface structures embossed in embossing unit 4 and of creasing breaks 21 a-e formed on foil 3, i.e. on blank 19 in creasing unit 5 is accomplished.
  • Positioning device 13 may e.g. be arranged for a manual and/or automated adjustment of the circumferential position of driven creasing roller 34 relative to foil 3.
  • a coupling for disengaging creasing roller 34 from roller drive 36 may be contemplated.
  • this allows a demand-driven or process-dependent variation of the relative positions of creasing breaks 21 a-e on foil 3.
  • Comparing device 21 may also be used for detecting the relative deviation of operating cadence A2 from work cadence P for an additional verification of the synchronization to the following packaging process. Furthermore, it is possible in this manner to obtain indirect indications of an involuntary deviation of operating cadence A2 from operating cadence A1 as operating cadence A1 is already synchronized to work cadence P by means of synchronizing unit 8.
  • another buffer unit 14b is provided downstream of creasing unit 5.
  • Second regulating unit 11 is followed by a third regulating unit 15 for synchronizing the operating cadence A3 of cutting unit 6 to work cadence P.
  • third regulating unit 15 comprises a comparing unit 16 that allows detecting a quantitative deviation between operating cadences A2 and A3 of the creasing and cutting units, respectively.
  • the signals may be acquired in analogy to the second regulating unit.
  • the thus obtained information is subsequently used in a positioning device 17 in order to adapt operating cadence A3 to operating cadence A2 in such a manner that cuts 22a - 22e are located at the desired relative positions on blank 19.
  • Foil strip 3, 3b may be previously printed or unprinted. However, it is also possible to arrange a printing unit upstream of the embossing unit in order to print the foil strip in time with work cadence P.
  • the regulating unit provided for this purpose is similar to the described regulating units and allows synchronizing the operating cadence of the printing unit to the operating cadence of the other units and to the work cadence.
  • a station for applying odorants may be integrated into the device, in which case an additional regulating unit ensures that this station operates in time with work cadence P.
  • FIG. 1C a larger foil strip 3b is illustrated that is intended to receive the cigarettes in the transversal direction.
  • Foil strip 3b is embossed, folded, and cut in a similar manner as foil strip 3 to obtain the blank 19b with the embossed signs 24S, creasing breaks 25, and cuts 26. It is understood that both the embossing unit and the creasing and cutting units are adapted to the width of the foil strip.
  • the creasing unit is not used and the regulating units are adapted accordingly.
  • the foil strip is directly supplied from the foil strip reel to the creasing unit.
  • the regulating units are accordingly adapted in this case also.
  • embossing unit 4 The number and the design of the rollers of embossing unit 4 is largely a function of the properties of the foil strip and of the desired kind of the embossed signs. If foils similar to innerliners are being processed, one side of which is metallized or has similar properties, known embossing rollers may be used which are defined in various patent specifications and applications to the applicant of the present invention, e.g. in WO 02/07671 , and illustrated in Figures 2 and 3 . The latter are rollers in a pinup-pinup constellation where the signs are created by entirely or partly removing teeth on the embossing roller. Assemblies of two or three rollers are described, but the assemblies may also comprise more than three rollers.
  • rollers that are provided with signs and possibly with individual teeth are defined as being embossing rollers whereas the remaining rollers, whether driven via synchronizing means or directly or indirectly driven, are defined as being counter-rollers. However, this does not exclude that several rollers of a device may be provided with signs and are therefore embossing rollers. Moreover it is assumed that the foil strip is always passed between the rollers in the same orientation with respect to what will be its outside.
  • Embossing assembly 4A comprises three rollers, i.e. an embossing roller 53 that is driven by a drive 27 and a first counter-roller 32 and a second counter-roller 33, the two counter-rollers being neither directly driven nor synchronized to the driven roller by synchronizing elements such as gearwheels, but only driven via foil strip 3.
  • the three rollers do not have the same structure. While the driven embossing roller 53 has teeth 31, the first counter-roller 32 is provided with rings 32R running around the entire circumference and arranged in parallel to each other such that the teeth 31 of embossing roller 53 engage in the grooves between the rings. Rings 32R are outwardly tapered and flattened so as to engage between teeth 31.
  • the second counter-roller 33 has longitudinal ridges 33L that are outwardly tapered and flattened like rings 32R in such a manner that longitudinal ridges 33L cooperate with teeth 31 of embossing roller 53.
  • the rings or longitudinal ridges, respectively may affect the appearance of the embossing patterns produced by the embossing roller provided with teeth.
  • embossing roller assemblies it is possible, by variations of teeth 31 or of rings 32R or of longitudinal ridges 33L, i.e. by altering the height, the flanks, or the edges of the teeth, rings, or longitudinal ridges, or by applying patterns to their upper surfaces, to produce different embossing patterns or signs and to achieve a better breaking of the fibers of the foil paper.
  • Roller assembly 4B has the same drive 27 and the same driven embossing roller 53 as well as a counter-roller 29 having teeth 31.
  • Logos 23L are obtained by removing or modifying teeth 31 in the corresponding locations.
  • rollers are suitable where teeth are only provided in those locations where the logo is to be created, and the teeth are preferably provided on the non-driven roller.
  • Embossing assembly 4C according to Fig. 4 is based on a pinup-pinup configuration that has been successfully used for embossing innerliners where all three rollers 28, 29 and 30 are provided with teeth 31 that project from the roller cylinder and one tooth of one roller engages between four teeth of the other rollers, whereby a self-synchronization is achieved and the embossing accuracy is improved and the drive mechanism simplified.
  • First roller 28 is driven by a schematically illustrated drive 27 which may also be a motor.
  • roller 28 that is driven via drive 27 is provided with logo lines 23, 23A and at both edges with tooth rows 52 in order to achieve a better transmission of the driving force to the counter-rollers and to prevent a pitching movement of the embossing roller if only few embossing lines or rows are provided.
  • "Embossing lines or rows” are meant to designate lines or rows on which any signs formed of teeth 31 are arranged.
  • counter-rollers 29 and 30 only comprise teeth 31.
  • teeth are only provided on the corresponding embossing roller in those locations where signs are to be embossed.
  • the teeth of the counter-rollers may serve for breaking the fibers of the paper, as the case may be.
  • embossing assembly 4D one of the two non-driven rollers is the embossing roller 30A that is provided with embossing lines 23, 23A.
  • embossing assembly 4E only comprises two rollers, as illustrated in Fig. 6 where embossing assembly 4E comprises a driven roller 28F and an embossing roller 29A that is driven by the latter and provided with logo lines 23, 23A.
  • embossing roller 29A has twice the circumference of driven roller 28F.
  • teeth 31 are pyramidal with a square horizontal projection while their tips may be flattened up to 25 %.
  • a number of further pyramidal teeth having a variety of other horizontal projections and shapes are known in the art, e.g. pyramidal teeth having a rectangular horizontal projection which may e.g. have a longer footprint in the direction of the longitudinal axis than in the other direction.
  • frustoconical or conical teeth may be provided.
  • the teeth may have a pitch, i.e. a distance between tips, of 0.05 mm to 0.4 mm, for a theoretical height without the flattened portions of 0.03 mm to 0.3 mm.
  • individual teeth or groups of teeth may be differently shaped, as it is known from the prior art.
  • Figure 7 illustrates an embossing assembly 4F having a similar roller configuration as in Fig. 2 , the driven embossing roller 28 cooperating with a first counter-roller 32 having rings 32R and with a second counter-roller 33 having longitudinal ridges 33L.
  • embossing roller 28 is only provided with teeth 28 in those locations where embossing lines or rows 23, 23A are to be created.
  • embossing rollers that are known in the art per se allow embossing signs that are visible to the eye as patterns, colors, color patterns, or are almost invisible, serve as authentication features, are tactually perceptible, or may produce acoustic signals.
  • both counter-rollers interlock with the embossing roller, but this is not necessarily always the case. It is also possible that the first or the second counter-roller, respectively, only interlocks or is only engageable with the first or the preceding roller, respectively. Furthermore it may be advantageous for certain applications to provide more than a total of three rollers having different surface structures. Furthermore, both the diameter and the length of the individual rollers may differ. In addition to the metal rollers, soft rollers may be used.
  • Figure 8 illustrates a roller assembly 4G in a so-called pinup-pindown configuration, the raised embossing elements 23R being provided on the driven roller 54 and the corresponding hollow embossing elements 23H on the counter-roller 55.
  • the counter-roller is driven via synchronizing gears 56, 57. Elevations 23R and pits 23H are illustrated in sectional view 8A.
  • This creasing unit comprises two creasing rollers 34 and 35, creasing roller 34 being driven by a drive 36.
  • the second creasing roller 35 is driven and synchronized via synchronizing gears 41 and 42.
  • the two creasing rollers are substantially smooth and are provided with mutually complementary structures in order to obtain the desired creasing breaks.
  • Creasing roller 35 is provided with both circular rings 37 and longitudinally arranged ridges 38 a-e which engage in corresponding circular grooves 40 and longitudinal grooves 39 a-e of creasing roller 34.
  • the creasing rollers with embossing elements, e.g. teeth or groups of teeth that may be arranged on one or on both rollers as in Figures 2 to 7 , or embossing elements according to the roller assembly of Figures 8, 8A where the raised embossing elements 23R are arranged on creasing roller 35 having the creasing tools and the hollow embossing elements 23H on the other creasing roller 34.
  • embossing elements e.g. teeth or groups of teeth that may be arranged on one or on both rollers as in Figures 2 to 7
  • embossing elements according to the roller assembly of Figures 8, 8A where the raised embossing elements 23R are arranged on creasing roller 35 having the creasing tools and the hollow embossing elements 23H on the other creasing roller 34.
  • Fig. 10 a lateral view of Fig. 9 , illustrates the mutual engagement of the longitudinal ridges and longitudinal grooves.
  • a possible arrangement of a cutting unit 6 is depicted.
  • the latter consists of two cutting rollers 43 and 44, cutting roller 43 being driven via a drive 45 and driving the second cutting roller 44 via synchronizing gears 46 and 47.
  • first cutting roller 43 is smooth while second cutting roller 44 has cutting blades 48 and 49 a-e that are arranged so as to cut blank 19 according to Fig. 1A or 1B .
  • the cutting rollers may be provided with embossing teeth and/or embossing elements.
  • Both the creasing rollers and the cutting rollers may be provided with means for preventing a pitching movement thereof, these means e.g. being rings or teeth.
  • FIG. 12 illustrates the operation of creasing blank 19 to receive cigarettes 18, and Fig. 14 the finished package 20. If necessary, the cigarettes can be held together in a holder 50 according to Figure 15 and/or in an innerliner 51 according to Figure 16 that fits into the package 20.
  • this device is particularly suitable for the online production of packages for smoking articles, the foil strip supplied from the reel being printed, embossed, and/or folded, as the case may be, and subsequently cut and the blank being folded, filled, and wrapped around the cigarettes, all these operations being performed in time with the cycle of the packaging machine.
  • an online processing of thin cardboard, paper, or plastics materials is facilitated, or made possible in the first place, by the counter-roller(s) which fold and break the fibers of those materials.
  • the device may be provided with an integrated odorizing unit that applies odorants online prior to creasing. From the description of the rollers it is understood that any desired combination of embossing, creasing, and cutting elements on rollers is possible.
  • the device either processes an outer or an inner package, but it is possible to use at least one more device online so that both a foil strip for the outer and a foil strip for the inner package are processed and both foil strips are folded in the packaging machine so as to form a double layer package.
  • the regulating units are equipped accordingly so as to ensure the necessary synchronization to the operating cadences and the work cadence.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Claims (27)

  1. Procédé de production d'un emballage pour articles à fumer en forme de bâtonnet à partir d'une bande préalablement imprimée ou non imprimée (3 ; 3b) de feuille mince prélevée d'une bobine (2) de bande de feuille mince, moyennant quoi la bande de feuille mince est soumise à un gaufrage en ligne et/ou est pourvue, en ligne, de séparations de rainage au rythme d'une cadence de travail (P) d'une machine à emballer avant d'être découpée aux dimensions requises, et la bande de feuille mince est enroulée autour des articles à fumer en forme de bâtonnet dans une machine à emballer ;
    dans lequel
    une cadence de fonctionnement d'une unité à gaufrer (A1) conçue pour réaliser le gaufrage en ligne est déterminée au moyen d'une unité de détection (9) par détection d'une structure de surface (23S) destinée à être gaufrée par l'unité à gaufrer (4) sur la bande (3 ; 3b) de feuille mince ; et
    la cadence de fonctionnement de l'unité à gaufrer (A1) est synchronisée sur la cadence de travail (P) de la machine à emballer ;
    lequel procédé est caractérisé en outre en ce que
    la bande de feuille mince constitue une couche extérieure de l'emballage, moyennant quoi la couche extérieure de l'emballage est adaptée à recevoir des articles à fumer en forme de bâtonnet et à assurer la cohésion de l'emballage ;
    une cadence de fonctionnement d'une unité à rainer (A2) ou une cadence de fonctionnement de l'unité à découper (A3) est synchronisée sur la cadence de fonctionnement de l'unité à gaufrer (A1) ; et
    la cadence de fonctionnement de l'unité à découper (A3) est synchronisée sur la cadence de fonctionnement de l'unité à rainer (A2) ou sur la cadence de fonctionnement de l'unité à gaufrer (A1) ;
    moyennant quoi
    les séparations de rainage (21a-21e) sont formées par l'unité à rainer sur la bande de feuille mince en des positions relatives souhaitées sur la bande de feuille mince par rapport aux structures de surface gaufrées, et
    des découpes (22a-22e) sont pratiquées par l'unité à découper en les positions relatives souhaitées sur la bande de feuille mince, moyennant quoi chacune des découpes présente une longueur inférieure à une largeur de la bande de feuille mince, excepté les découpes réalisées aux deux extrémités de la bande de feuille mince lors de sa découpe aux dimensions requises en longueur, lesquelles s'étendent sur toute la largeur de la bande de feuille mince.
  2. Procédé selon la revendication 1, comportant une étape de mesure d'un écart quantitatif entre la cadence de fonctionnement de l'unité à gaufrer (A1) et la cadence de fonctionnement de l'unité à rainer (A2) et/ou entre la cadence de fonctionnement de l'unité à rainer (A2) et la cadence de fonctionnement de l'unité à découper (A3) au moyen d'un dispositif de comparaison (12 ; 16).
  3. Procédé selon la revendication 2, caractérisé en ce que le dispositif de comparaison (12 ; 16) est conçu pour exposer la bande (3 ; 3b) de feuille mince à une lumière à un intervalle de temps régulier.
  4. Procédé selon la revendication 3, caractérisé en ce que l'intervalle de temps régulier correspond à la cadence de travail (P).
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il comprend une étape d'adaptation de la cadence de fonctionnement de l'unité à gaufrer (A1) ou de la cadence de fonctionnement de l'unité à rainer (A2) ou de la cadence de fonctionnement de l'unité à découper (A3) de façon à commander une position de la bobine (2) de bande de feuille mince dans la machine à emballer.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'unité à gaufrer (4) est conçue pour produire des signes sur la bande (3 ; 3b) de feuille mince qui sont perceptibles à l'oeil et/ou au toucher et/ou à l'oreille et/ou servent de caractéristiques d'authentification.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la couche extérieure de l'emballage se compose d'un matériau léger tel que du papier, du carton mince, des feuilles minces hybrides, des feuilles minces comportant plusieurs revêtements en matériaux différents ou des feuilles minces en papier ou plastique susceptibles d'être métallisées ou, plus généralement, revêtues en surface, ou constitue une feuille mince métallique.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les articles à fumer en forme de bâtonnet, qui constituent des cigarettes, des cigarillos ou des cigares, sont introduits dans l'emballage se composant au moins de la couche extérieure sans emballage intérieur.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la cadence de fonctionnement de l'unité à rainer (A2) est synchronisée sur la cadence de travail (P) de la machine à emballer, et la cadence de fonctionnement de l'unité à découper (A3) sur la cadence de fonctionnement de l'unité à rainer (A2).
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la bande (3 ; 3b) de feuille mince est imprimée préalablement au gaufrage, la cadence de fonctionnement de l'unité à imprimer étant synchronisée sur la cadence de travail (P) de la machine à emballer et sur les cadences de fonctionnement des autres unités.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que plus d'un dispositif est utilisé aux fins de traiter à la fois une bande de feuille mince pour un emballage extérieur et une bande de feuille mince pour un emballage intérieur et de les assembler pour former un emballage multicouche dans la machine à emballer en ligne au rythme de la cadence de travail (P).
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'emballage est odorisé.
  13. Dispositif permettant la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il comprend une bobine (2) de bande de feuille mince, une unité à gaufrer (4) destinée à gaufrer des structures de surface et/ou une unité à rainer (5) et une unité à découper (6), et est relié fonctionnellement à une machine à emballer (7), le dispositif comprenant des éléments de commande (11, 15) et des éléments de synchronisation (8) aux fins de traiter la bande (3, 3b) de feuille mince en ligne au rythme d'une cadence de travail (P) de la machine à emballer et d'envelopper d'une ébauche produite (19, 19b) des articles à fumer en forme de bâtonnet (18) ;
    les éléments de synchronisation (8) comprenant en outre
    une unité de détection (9) destinée à déterminer une cadence fonctionnelle (A1) de l'unité à gaufrer (4) par détection des structures de surface (23S) destinées à être gaufrées par l'unité à gaufrer (4) sur la bande (3 ; 3b) de feuille mince,
    les éléments de commande (11, 15) comprenant en outre
    une unité de régulation (11, 15) aux fins de synchroniser chaque cadence de fonctionnement (A1, A2, A3) des unités à imprimer, à gaufrer, à rainer, à découper (4, 5, 6) sur la cadence le travail (P) de la machine à emballer (7) et les unes sur les autres, et
    des dispositifs de comparaison (12, 16) destinés à détecter des écarts quantitatifs entre les cadences de fonctionnement (A1, A2, A3) de l'unité à gaufrer (4), de l'unité à rainer (5) et de l'unité à découper (6) ;
    moyennant quoi les éléments de synchronisation sont configurés de manière à permettre à l'unité à rainer de former des séparations de rainage (21a-21e) sur la bande de feuille mince en des positions relatives souhaitées sur la bande de feuille mince par rapport aux structures de surface gaufrées, et à l'unité à découper de pratiquer des découpes (22a-22e) en les positions relatives souhaitées sur la bande de feuille mince, moyennant quoi chacune des découpes présente une longueur inférieure à une largeur de la bande de feuille mince, excepté les découpes pratiquées aux deux extrémités de la bande de feuille mince lors de sa découpe aux dimensions requises en longueur, lesquelles s'étendent sur toute la largeur de la bande de feuille mince.
  14. Dispositif selon la revendication 13, caractérisé en ce que l'unité à gaufrer (4) comprend un ensemble (4A-4G) de rouleaux comportant au moins deux rouleaux (28, 29A, 30A, 53, 54) pourvus de logos (23L), de dents (31) ou d'éléments à gaufrer en relief (23R) agencés en lignes ou rangées ou bien individuellement aux fins de gaufrer les structures de surface (23S, 24S) sur la bande (3, 3B) de feuille mince.
  15. Dispositif selon la revendication 14, caractérisé en ce qu'au moins un desdits au moins deux rouleaux (28, 28F ; 29, 29A ; 30, 30A, 53) est pourvu de dents (31) qui font saillie d'un cylindre de rouleau.
  16. Dispositif selon la revendication 14, caractérisé en ce que l'ensemble (4A-4G) de rouleaux comprend au moins un rouleau (54) pourvu d'éléments à gaufrer en relief (23R) et au moins un contre-rouleau (55) doté de creux correspondants (23H).
  17. Dispositif selon la revendication 16, caractérisé en ce que l'ensemble (4A-4G) de rouleaux comprend au moins un contre-rouleau (32) pourvu de collerettes circonférentielles (32R) et/ou au moins un deuxième contre-rouleau (33) doté de nervures longitudinales (33L).
  18. Dispositif selon l'une quelconque des revendications 13 à 17, caractérisé en ce que l'unité à rainer (5) comprend des premier et deuxième rouleaux à rainer (34, 35) pourvus d'outils à rainer de formes mutuellement complémentaires (37, 38a-38e ; 39a-39e, 40).
  19. Dispositif selon la revendication 18, caractérisé en ce que le premier rouleau à rainer (34) est pourvu de rainures circonférentielles (40) et de rainures longitudinales (39a-39e) et le deuxième rouleau à rainer (35) est pourvu de collerettes circonférentielles (37) et de nervures longitudinales (38a-38e).
  20. Dispositif selon l'une quelconque des revendications 18 à 19, caractérisé en ce que les premier et/ou deuxième rouleaux à rainer (34, 35) sont pourvus d'éléments à gaufrer ou de dents à gaufrer et/ou à découper ou à rainer.
  21. Dispositif selon l'une quelconque des revendications 18 à 20, caractérisé en ce que les unités de régulation (11, 15) comprennent des dispositifs de positionnement (13, 17) destinés à régler des positions circonférentielles des premier et/ou deuxième rouleaux à rainer (34, 35) par rapport à la bande (3, 3b) de feuille mince.
  22. Dispositif selon l'une quelconque des revendications 13 à 21, caractérisé en ce que l'unité à découper (6) comprend deux rouleaux à découper (43, 44) dont un rouleau à découper (43) est un rouleau lisse et dont l'autre rouleau à découper (44) est pourvu d'outils à découper (48, 49a-49e).
  23. Dispositif selon la revendication 22, caractérisé en ce que l'autre rouleau à découper est pourvu d'éléments à gaufrer ou de dents à gaufrer et/ou à découper ou à rainer.
  24. Dispositif selon l'une quelconque des revendications 21 à 23, caractérisé en ce que les unités de régulation (11, 15) comprennent des dispositifs de positionnement (13, 17) destinés à régler des positions circonférentielles dudit un rouleau à découper (43) et/ou dudit autre rouleau à découper (44) par rapport à la bande (3, 3b) de feuille mince.
  25. Dispositif selon l'une quelconque des revendications 13 à 24, comprenant en outre une unité à odoriser.
  26. Dispositif selon l'une quelconque des revendications 15 à 25, caractérisé en ce que le dispositif de comparaison (12, 16) comprend une lampe conçue pour exposer la bande (3 ; 3b) de feuille mince à une lumière à un intervalle de temps régulier.
  27. Dispositif selon la revendication 26, caractérisé en ce que l'intervalle de temps régulier correspond à la cadence de travail (P).
EP12713152.2A 2011-04-12 2012-04-10 Procédé et dispositif de production d'emballage pour articles de tabac Active EP2697052B1 (fr)

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EP11162113A EP2511088A1 (fr) 2011-04-12 2011-04-12 Procédé et dispositif pour la fabrication d'un emballage pour produits destinés à être fumés
PCT/EP2012/056459 WO2012140016A1 (fr) 2011-04-12 2012-04-10 Procédé et dispositif de production d'emballage pour articles de tabac
EP12713152.2A EP2697052B1 (fr) 2011-04-12 2012-04-10 Procédé et dispositif de production d'emballage pour articles de tabac

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RU2591147C2 (ru) 2016-07-10
MX2013011727A (es) 2014-03-05
DE202012012621U1 (de) 2013-09-10
BR112013026364B1 (pt) 2020-09-29
CN103492169A (zh) 2014-01-01
EP2511088A1 (fr) 2012-10-17
EP2697052A1 (fr) 2014-02-19
WO2012140016A1 (fr) 2012-10-18
CN103492169B (zh) 2017-03-29
BR112013026364A2 (pt) 2016-12-27
US20140059977A1 (en) 2014-03-06
DE202012012864U1 (de) 2014-01-22
RU2013145419A (ru) 2015-05-20
MX352893B (es) 2017-12-13

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