EP2922757A1 - Procédé et appareil correspondant pour la production d'un emballage scellé - Google Patents

Procédé et appareil correspondant pour la production d'un emballage scellé

Info

Publication number
EP2922757A1
EP2922757A1 EP14727897.2A EP14727897A EP2922757A1 EP 2922757 A1 EP2922757 A1 EP 2922757A1 EP 14727897 A EP14727897 A EP 14727897A EP 2922757 A1 EP2922757 A1 EP 2922757A1
Authority
EP
European Patent Office
Prior art keywords
cigarettes
bundle
rigid casing
wrapper
folding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14727897.2A
Other languages
German (de)
English (en)
Other versions
EP2922757B1 (fr
Inventor
Fiorenzo Draghetti
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.)
Gima TT SpA
Original Assignee
Gima TT SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IT000200A external-priority patent/ITBO20130200A1/it
Application filed by Gima TT SpA filed Critical Gima TT SpA
Publication of EP2922757A1 publication Critical patent/EP2922757A1/fr
Application granted granted Critical
Publication of EP2922757B1 publication Critical patent/EP2922757B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65B19/24—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers using hollow mandrels through which groups of cigarettes are fed
    • B65B19/245—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers using hollow mandrels through which groups of cigarettes are fed carried by continuously driven endless conveyors

Definitions

  • the present invention refers to a method for the production of a sealed containment wrapper for a bundle of cigarettes, in particular a wrapper made of a thermoplastic material intended to enclose the cigarettes inside a traditional rigid or semi-rigid package.
  • the invention further refers to the containment wrapper itself and the related apparatus for its production.
  • the invention has practical applications particularly in the tobacco industry.
  • cigarettes are packaged in rigid or semi-rigid packages, inside of which they are enclosed in a wrapper that is usually made of aluminium foil.
  • this type of wrapper represents a compromise between production costs and the need to keep the aromatic qualities of the cigarette tobacco unaltered.
  • the internal containment wrapper made from a sheet of thermoplastic film that is sealed along the perimeter of the bundle of cigarettes contained therein.
  • thermosealing techniques cannot be applied without taking additional measures for the realization of a wrapper in the manner described above.
  • These techniques in fact employ thermosealing heads that apply pressure to the overlapping flaps of the sheet of film that is to be sealed.
  • These sealing heads when being applied directly over the bundle of cigarettes, can however cause damage to the latter due to the heat that is transmitted or the pressure that is applied.
  • the technical problem that is the basis of the present invention is therefore to devise a method for the production of a sealed containment wrapper for a bundle of cigarettes that ensures a correct containment and that at the same time facilitates access to the cigarettes while keeping the production costs acceptable.
  • This rigid casing advantageously made of a thin material, may be filled with the cigarettes that are to be packaged and subsequently the bundle of cigarettes and the partially sealed containment wrapper are extracted together from the rigid casing to leave the cigarettes in direct contact with the covering liner, and with the weakening line that allows access to the cigarettes positioned in an area without any folds.
  • a further advantage of the method described above derives from the fact that, to obtain the containment wrapper the covering liner can be folded into a U-shape directly on the outside of said rigid casing.
  • the casing then performs the additional function of assisting, because it defines a solid base for the shaping of the generally parallelepiped form of the containment wrapper.
  • the step of the folding of the containment wrapper can be performed by means of a U-shaped folding member (punch) that slides over the rigid casing.
  • This folding member encountering on its path the covering liner, pushes and folds the film around the exterior of the rigid casing.
  • the adjacent lateral flaps of the covering liner folded into a U-shape can be sealed together two by two.
  • the two end flaps of the covering liner can be sealed together.
  • the adjacent lateral flaps, on both sides of the covering liner can be brought nearer each other and joined together on the outside of a lateral wall of the rigid casing, and then clamped and sealed together by the first sealing members that operate opposite said lateral faces.
  • the two end flaps may be made to overlap each other and fastened between second opposite sealing members.
  • the bundle of cigarettes is preferably introduced with the cigarette filters turned in the direction of the area of the covering liner that is folded into a U-shape.
  • This production method is particularly advantageous as the end with the cigarette filter is generally turned in the direction of the top opening of the rigid external package containing the cigarettes.
  • a line of weakening is included in this U-shaped area to allow the consumer easy opening of the wrapper by means of an adhesive tab.
  • the aforementioned rigid casing presents a longitudinal extension with a first opening and a second opening at opposite extremities, said first opening being covered by the containment wrapper that has been partially sealed at the end of the first sealing step; said step of extracting the bundle of cigarettes involves the application of a pushing action on the bundle of cigarettes beginning at said second opening, in such a manner that the bundle of cigarettes is made to exit from the first opening, pulling the partially sealed containment wrapper along with it.
  • the containment wrapper, pulled by the bundle of cigarettes slides along longitudinally against the exterior of the rigid casing.
  • This production method is particularly advantageous because it defines, without any mechanical complications, a moving away of the combined bundle of cigarettes and wrapper, so that the rigid casing slides out from between the bundle of cigarettes and the partially sealed wrapper.
  • the pushing action exercised on the bundle of cigarettes can be performed by means of a pushing member held by a pushing shaft, said rigid casing comprising a longitudinal gap intended to let this pushing shaft pass through from the entry opening to the exit opening.
  • the rigid casing can have a longitudinal extension, with at opposite extremities a first exit opening for the bundle of cigarettes, and a second entry opening for the bundle of cigarettes, said extraction means of the bundle of cigarettes comprising a pushing member that acts upon the bundle of cigarettes from the second opening towards the first opening.
  • the rigid casing can in particular have a longitudinal gap that extends from the first opening to the second opening, said pushing member comprising a pushing head having a contact surface that comes in contact with the bundle of cigarettes, said pushing head being supported by a pushing shaft that is slidably operable inside said longitudinal gap.
  • the apparatus comprises a first rotating drum, comprising a plurality of rigid casings solidly attached to the drum.
  • Figures 1 - 10 schematically illustrate the succession of steps of the method according to the present invention for the production of a sealed containment wrapper for a bundle of cigarettes;
  • Figure 1 1 illustrates a sealed wrapper of a bundle of cigarettes according to the present invention
  • Figure 12 illustrates in a schematic manner an apparatus for the production of a sealed containment wrapper for a bundle of cigarettes according to the present invention. Detailed description
  • the reference number 1 generically indicates a sealed containment wrapper for a bundle of cigarettes made in accordance with the present invention.
  • the containment wrapper 1 preferably made of a thermoplastic material, has a substantially box-like form, in other words the shape of a rectangular parallelepiped, and it covers in direct contact a bundle of cigarettes 10 arranged in the ordered manner traditionally used in the field.
  • the containment wrapper 1 has six faces: two opposite main lateral faces 14, which define the external sides with the largest size of the parallelepiped; two secondary lateral faces 15, also opposite each other and instead defining the external sides of smaller size; and lastly a top face 16 and a bottom face 17 at the two longitudinally opposite extremities.
  • top face 16 is arranged to face the top opening of a traditional rigid or semi-rigid cigarette package surrounding the containment wrapper 1. More particularly it has a weakening line 18 that allows the user to tear away part of the containment wrapper 1 to create an access window to the cigarettes contained therein, preferably reclosable by means of an adhesive tab.
  • the containment wrapper 1 is made from a single sheet of covering liner 1 1, folded into a U-shape over a rigid casing 20 at said top face 16.
  • the covering liner 1 1 thus folded over the rigid casing 20 defines two facing pairs of opposite lateral flaps 12 and, after the casing has been extracted, also two end flaps 13 are formed, also opposite and facing each other. These flaps are coupled, clamped and sealed together in order to define the secondary faces 12, and the bottom face 17, the latter having been created by the coupling of the end flaps 13.
  • the method according to the present invention in particular employs a rigid casing 20, whose purpose will be better understood from the following description and which is precisely measured to contain the bundle of cigarettes.
  • This rigid casing 20 is in the shape of a hollow rectangular parallelepiped that extends in a longitudinal direction x and that has at its opposite ends a first opening 21 and a second opening 22.
  • the parallelepiped that defines the rigid casing 20 further comprises two smaller lateral walls 24 and two larger lateral walls 25.
  • the larger and smaller lateral walls 24, 25 are all of a relatively small thickness. Externally they present a smooth surface, and internally a wavy surface of protuberances 28 and depressions 29 located longitudinally that match the external perimeter of a bundle of cigarettes 10, arranged in their packaging configuration.
  • One of the larger lateral walls 25 is interrupted in a longitudinal direction by a longitudinal slot 23 whose function will become clearer from the following description, which connects the first opening 21 to the second opening 22.
  • the transverse section of the rigid casing 20 is commensurate with the corresponding transverse section of the containment wrapper 1 that it is intended to obtain.
  • the longitudinal direction is greater in comparison with said containment wrapper, and it presents a lateral flanging at the second opening.
  • the rigid casings 20 are preferably a plurality of casings mounted solidly along the external perimeter of a first rotating drum (not shown in the enclosed figures) with rotational axis parallel to the longitudinal axis x of the casings.
  • the rigid casings 20 are mounted with their transverse axes tangential to the first rotating drum.
  • each single rigid casing 20 can be made to pass through the first four stations that constitute a first part of the steps of the method for the production of a containment wrapper 1 according to the present invention.
  • a first station 101 includes means for folding the covering sheet 11 in a U-shape. These means for folding into a U-shape in particular comprise a first U-shaped folding member 60 that is arranged to slide over the rigid casing 20 when the latter finds itself at the first station 101.
  • the covering liner 1 1 is stretched between the first folding member 60 and the extremity of the first opening 21 of the rigid casing 20.
  • the covering liner 1 1 is pulled along and a central portion of it is made to adhere to the first opening 21 and the two lateral portions, symmetrical between them, are folded against the two opposite greater walls 25 of the rigid casing 20.
  • the containment wrapper 1 is formed, which at this time is still open on three sides, as can be seen in figure 2.
  • the two opposite lateral flaps 12 are joint facing each other by a transverse flap 19 in the area folded into a U- shape 27.
  • a second station 102 of the apparatus 100 includes means for the insertion of said bundle of cigarettes into said rigid casing 20.
  • these insertion means comprise a pushing block 70, reciprocatingly movable along the longitudinal direction x of the rigid casing aligned with the second station 102.
  • the bundle of cigarettes 10 is accompanied by the pushing block 70 into the rigid casing 20 through the second opening 22, until they come into contact with the central portion of the covering liner 1 1 that covers the first opening 21 , at the area folded into a U-shape 27.
  • the bundle of cigarettes 10 is inserted with the filters turned in the direction of the first opening 21 , or, in other words, in the direction of the area folded into a U-shape 27 of the covering liner 1 1 , at the weakening line 18.
  • the bundle of cigarettes will be inside the rigid casing 20 and the covering liner 1 1 will be on the outside of the rigid casing 20.
  • the rigid casing 20 is placed between the bundle of cigarettes 10 and the covering liner 1 1.
  • a third station 103 of the apparatus 100 includes means for the folding of the transverse flaps 19 of the covering liner 1 1 in the area folded into a U-shape 27 against the sides of the rigid casing 20; also included are first sealing means 40 to apply a first sealing of the lateral flaps 12 that extend along the lateral walls 24 of the rigid casing 20.
  • the folding means comprise a second folding member 80 in the shape of a C, arranged to slide over the rigid casing 20 against the first opening 21 in the area folded into a U-shape 27.
  • Said second folding member 80 comprises two opposite arms 82 with dimensions that are such that they enclose the lateral walls 24 of the rigid casing 20, in order to press the transverse flaps 19 against the lateral walls 24 of the rigid casing 20, in order to form a lateral tuck 19a on each of the smaller walls 24.
  • This second folding member 80 operates in a first step, illustrated in figure 4, of the folding and sealing process performed in the third station 103.
  • the second folding member 80 slides to enclose the bottom of the rigid casing 20 in the area folded into a U- shape 27.
  • its arms 82 fold the transverse flaps 19 of the central portion of the covering liner 1 1 that stick out from the bottom of the rigid casing 20.
  • These transverse flaps 19 are thus folded against the two lateral walls 24 of the rigid casing 20.
  • the first sealing means 40 are in the form of two thermosealing bars that are able to move towards each other, fastening the two facing lateral flaps 12 between them and applying the thermosealing. In this configuration for thermosealing, the first sealing members 40 abut against the two opposite lateral walls 24 of the rigid casing 20.
  • the first sealing means 40 are activated in a second step, illustrated in figure 5, of the sealing method performed at the third station. In this step said first sealing members are joined together with the two facing lateral flaps 12 in-between.
  • the next step is folding each of the two pairs of facing lateral flaps 12 of the covering liner 1 1 against the smaller lateral wall 24 of the rigid casing 20 to form two corresponding tabs that are perpendicular to the smaller wall 24 of the rigid casing 20.
  • These perpendicular tabs 24 are joined together by means of thermosealing by the first sealing members 40 in order to form a fin 12a that finds itself in an overhanging configuration regarding each of the lateral walls 24 of the rigid casing 20.
  • thermosealing members 40 are in the form of sealing grippers that operate in juxtaposition to the lateral walls 24.
  • the partially sealed containment wrapper 1 is formed, which has the form of a pouch that is open on one side only.
  • the fins 12a are subsequently folded 90° and made to adhere to the covering liner 1 1 along the respective lateral wall 24 of the rigid casing 20 from which they depart.
  • each pair of folding blades first folds one of the two lateral flaps 12 against the respective smaller lateral face 24 of the rigid casing 20, and subsequently the remaining lateral flap 12 is folded on top of the flap previously folded onto the smaller lateral face 24 of the rigid casing 20.
  • the two lateral flaps 12 thus overlap each other on top of the smaller lateral face 24 of the rigid casing 20. They are then thermosealed at the point where they overlap.
  • a fourth station 104 of the apparatus 100 includes means for the extraction of the bundle of cigarettes 10 together with the partially sealed containment wrapper 1 from the rigid casing 20.
  • These means for the extraction of the bundle of cigarettes in particular comprise a movable pushing member 30 held by a pushing shaft 31. More particularly this pushing member 30 has a contact surface, intended to come into contact with the bundle of cigarettes 10 and to perform a pushing action on these.
  • the pushing member 30 In the course of its movement forward, the pushing member 30 is inserted into the rigid casing 20 through the second opening 22, and as a result it comes up against the bundle of cigarettes 10 which are then pushed out of the rigid casing 20 through the first opening 21 , proceeding in its movement until the bundle of cigarettes 10 and the containment wrapper 1 associated with it arrive at a second rotating drum, not shown in the enclosed figures. As they pass through the rigid casing 20, the pushing shaft 31 of the pushing member 30 slides inside the longitudinal slot 23 of the rigid casing 20.
  • the movement of the aforementioned pushing group 30 makes it possible to extract the bundle of cigarettes 10 from the rigid casing 20 together with the containment wrapper 1 formed by the covering liner 1 1.
  • the cigarettes in their movement pull along all of the wrapper 1, extracting the fixed rigid casing 20 placed between the bundle of cigarettes and the wrapper.
  • the bundle of cigarettes 10 pulls along with it the partially sealed wrapper, which slides on the outside of the rigid casing 20 until it comes in direct contact with the bundle of cigarettes 10.
  • the wrapper By choosing a very reduced thickness for the pouch, the wrapper will adhere perfectly to the bundle of cigarettes when the latter is extracted from the pouch.
  • the internal surface of the rigid casing 20 has undulations formed by longitudinal protuberances 28 and depressions 29 shaped to arrange the cigarettes in an ordered and contained manner, the adherence of the covering liner 11 - already sealed laterally to form the wrapper 1 - to the bundle of cigarettes is perfect.
  • each cigarette rests in a respective depression.
  • the sealing on the bottom wall of the bundle of cigarettes 10 occurs in a manner analogous to the one of the lateral walls 24.
  • a third folding member 90 first folds the sides of the end flaps 13 of the covering liner 1 1 and presses them against the bottom wall of the bundle of cigarettes 10 in order to form two lateral tucks 13a at the bottom of the bundle of cigarettes 10.
  • the facing end flaps 13 of the covering liner 11 are folded against the bottom wall of the bundle of cigarettes 10 in order to form two corresponding tabs that are perpendicular to the bottom wall of the bundle of cigarettes 10.
  • these are joined together by means of thermosealing by the second sealing members 50, in order to form in the joining area a fin 13b that is perpendicular to the bottom wall of the bundle of cigarettes 10.
  • These second sealing members 50 operate in juxtaposition to the bottom wall of the bundle of cigarettes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)

Abstract

L'invention concerne un procédé amélioré pour la production d'un emballage de confinement scellé (1) d'un ensemble de cigarettes (10), comprenant les étapes consistant à : définir, sur un boîtier rigide (20) prévu pour contenir un ensemble de cigarettes (10), un emballage de confinement (1) commençant avec une chemise de couverture (11) possédant une ligne de faiblesse (18) prévue pour créer une fenêtre permettant d'accéder à l'ensemble de cigarettes (10) ; insérer l'ensemble de cigarettes (10) dans ledit boîtier rigide (20) ; exécuter un premier scellage, l'emballage de confinement (1) étant partiellement scellé sur le boîtier rigide (20) ; extraire l'ensemble de cigarettes (10) conjointement avec ledit emballage de confinement partiellement scellé (1) dudit boîtier rigide, en gardant l'ensemble de cigarettes (10) à l'intérieur de l'emballage ; achever le scellage de l'emballage de confinement (1).
EP14727897.2A 2013-05-06 2014-04-30 Procédé et appareil correspondant pour la production d'un emballage scellé Active EP2922757B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT000200A ITBO20130200A1 (it) 2013-05-06 2013-05-06 Metodo per la produzione di un involucro per sigarette e relativa apparecchiatura
ITBO20140069 2014-02-12
PCT/IB2014/000646 WO2014181161A1 (fr) 2013-05-06 2014-04-30 Procédé et appareil correspondant pour la production d'un emballage scellé

Publications (2)

Publication Number Publication Date
EP2922757A1 true EP2922757A1 (fr) 2015-09-30
EP2922757B1 EP2922757B1 (fr) 2017-11-22

Family

ID=50884427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14727897.2A Active EP2922757B1 (fr) 2013-05-06 2014-04-30 Procédé et appareil correspondant pour la production d'un emballage scellé

Country Status (2)

Country Link
EP (1) EP2922757B1 (fr)
WO (1) WO2014181161A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800000567A1 (it) * 2018-01-05 2019-07-05 Gd Spa Metodo di incarto e macchina impacchettatrice per realizzare un incarto sigillato di articoli da fumo stabilizzato mediante termosaldatura
IT201800003936A1 (it) * 2018-03-26 2019-09-26 Gd Spa Unità e metodo di incarto per piegare un foglio di incarto attorno ad un gruppo di articoli da fumo.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016166141A1 (fr) * 2015-04-15 2016-10-20 Gima Tt S.P.A. Procédé et appareil associé permettant de fabriquer un emballage scellé d'un ensemble de cigarettes
PL3628604T3 (pl) * 2018-09-26 2021-11-08 G.D Societa' Per Azioni Sposób sprzęgania i zespół do sprzęgania wkładki i arkusza owijającego z grupą wyrobów do palenia w maszynie pakującej
IT201900005946A1 (it) 2019-04-17 2020-10-17 Gd Spa Unità e metodo di incarto per piegare un foglio di incarto attorno ad un gruppo di articoli da fumo.
EP4400435A1 (fr) * 2022-12-29 2024-07-17 Fiorenzo Draghetti Appareil et procédé de formation de paquets souples d'articles à fumer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378187A (en) * 1965-11-08 1968-04-16 Reynolds Tobacco Co R Package and blank for a package
IT1089586B (it) * 1977-11-30 1985-06-18 Amf Sasib Un perfezionamento alle macchine impacchettatrici di sigarette
IT1274833B (it) * 1994-07-13 1997-07-25 Gd Spa Dispositivo di incarto di gruppi di sigarette.
ITBO20050042A1 (it) * 2005-01-27 2006-07-28 Gd Spa Metodo per la realizzazione di un involucro sigillato attorno ad un gruppo di sigarette
ITBO20060348A1 (it) * 2006-05-09 2006-08-08 Gd Spa Metodo di piegatura di un foglio di incarto attorno ad un gruppo di sigarette
ITBO20070492A1 (it) * 2007-07-18 2007-10-17 Gd Spa Metodo di piegatura di un foglio di incarto rettangolare attorno ad un articolo parallelepipedo per formare un incarto tubolare avente una estremita aperta.
IT1394894B1 (it) * 2009-04-17 2012-07-20 Gima Spa Dispositivo per il confezionamento di un prodotto in un involucro

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014181161A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800000567A1 (it) * 2018-01-05 2019-07-05 Gd Spa Metodo di incarto e macchina impacchettatrice per realizzare un incarto sigillato di articoli da fumo stabilizzato mediante termosaldatura
IT201800003936A1 (it) * 2018-03-26 2019-09-26 Gd Spa Unità e metodo di incarto per piegare un foglio di incarto attorno ad un gruppo di articoli da fumo.
EP3546379A1 (fr) * 2018-03-26 2019-10-02 G.D Societa' Per Azioni Unite d'emballage et procede pour plier un film autour d'un groupe d'articles a fumer

Also Published As

Publication number Publication date
EP2922757B1 (fr) 2017-11-22
WO2014181161A1 (fr) 2014-11-13

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