EP2607246A1 - Procédé d'emballage et machine d'emballage de groupes de cigarettes aromatisées - Google Patents

Procédé d'emballage et machine d'emballage de groupes de cigarettes aromatisées Download PDF

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Publication number
EP2607246A1
EP2607246A1 EP12197303.6A EP12197303A EP2607246A1 EP 2607246 A1 EP2607246 A1 EP 2607246A1 EP 12197303 A EP12197303 A EP 12197303A EP 2607246 A1 EP2607246 A1 EP 2607246A1
Authority
EP
European Patent Office
Prior art keywords
wrapping
unit
sheets
wrapping material
cigarettes
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.)
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Application number
EP12197303.6A
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German (de)
English (en)
Inventor
Stefano Villa
Fabrizio Tale'
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.)
GD SpA
Original Assignee
GD 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
Application filed by GD SpA filed Critical GD SpA
Publication of EP2607246A1 publication Critical patent/EP2607246A1/fr
Withdrawn legal-status Critical Current

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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
    • B65B19/223—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers in a curved path; in a combination of straight and curved paths, e.g. on rotary tables or other endless conveyors
    • 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
    • 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
    • B65B19/28—Control devices for cigarette or cigar packaging machines

Definitions

  • This invention relates to a machine for packaging groups of cigarettes in particular aromatised cigarettes and a machine which is able to execute the method.
  • Machines for packaging groups of cigarettes are machines designed to produce packets of different types, each of which normally contain a group consisting of a predetermined number of cigarettes.
  • Each type of packet whether it is of the rigid, soft or semi-rigid type, normally has an inner case made of a first wrapping material, which wraps the group of cigarettes moving in direct contact with them.
  • the first wrapping material is normally tin foil.
  • the prior art packaging machines produce a succession of groups of cigarettes and transfer these groups towards a plurality of wrapping stations, which make the finished packets.
  • each single group of cigarettes is wrapped with a respective sheet of wrapping material (tin foil) and in the successive wrapping stations it is wrapped further with an outer cover of the rigid, semi-rigid or soft type.
  • a method currently followed for producing packets of aromatised cigarettes, for example with menthol flavour comprises using a a first wrapping material aromatised with aromatising substances or additives.
  • the first wrapping material can be imbibed with these substances or additives or have a layer of aromatised substances or additives on at least a respective surface.
  • the groups of cigarettes tend to absorb the aroma released by the aromatising substance or additive, assuming the predetermined characteristic flavour.
  • the first wrapping material must be heated and the sheets obtained must be quickly wrapped around the respective groups of cigarettes.
  • the aromatising substances or additives tend to vaporise and disperse into the surrounding environment, thereby compromising their correct absorption by the cigarettes. Consequently, in such conditions, the above-mentioned first wrapping material could no longer be used.
  • the problem is worsened if the first wrapping material is unwound from a reel at a point of the machine relatively far from the first wrapping station and it has also undergone the first heating step, too.
  • the aim of this invention is to provide a method and a machine for packaging packets of aromatised cigarettes which can overcome the above mentioned drawbacks.
  • Another aim of the invention is to provide a machine for packaging packets of cigarettes which is able to reduce the waste of wrapping materials after a production shutdown whether it is due to extraordinary causes (mechanical failures, congestions, lack of feed of cigarettes, lack of feed of wrapping materials, etc.) or routine causes (end of shift, planned cleaning, maintenance, etc.)
  • This invention accordingly provides a method for packaging groups of cigarettes, in particular aromatised cigarettes, and the relative machine which is able to execute the method comprising the technical features set out in one or more of the accompanying claims.
  • This invention refers, by way of a non-limiting example, to a packaging machine for the production of packets of the rigid type. However, this invention could be extended to machines for the production of packets of aromatised cigarettes of the semi-rigid or soft type.
  • the numeral 1 denotes in its entirety a machine for packaging packets of groups of aromatised cigarettes made according to this invention.
  • the machine 1 comprises, starting from the right and proceeding to the left for someone observing Figure 1 , a station 2 for unwinding a first wrapping material 7 aromatised with an aromatising substance or additive, a station 3 for feeding groups 8 of cigarettes 15 ( Figure 2 ) and a first operating unit 35, positioned at an outfeed 3a of the station 3 for feeding the groups 8. Downstream of the above-mentioned feed station 3, with reference to a direction of travel D of the groups 8 of cigarettes 15, transversal to the axes of the latter and extending along the station 3, the machine 1 also comprises a second wrapping operating unit 36.
  • the station 2 for unwrapping the first wrapping material 7, of known type, has one or more magazines 10 of wrapping material 7.
  • the machine 1 comprises a magazine 10 supporting a reel 11 of the above-mentioned first wrapping material 7.
  • the first wrapping material 7 comprises a strip 7a of tin foil that can be imbibed with aromatised substance or additive or have a layer of aromatised substance or additive on at least a respective surface intended to come into contact with the groups 8 of cigarettes 15.
  • the first operating unit 35 comprises a a feed unit 4 which is able to feed, by pulling, starting from the respective unwinding station 2 ( Figure 1 ) and along a predetermined unwinding path P, the first aromatised wrapping material 7 to the first operating unit 35.
  • the feed unit 4 comprises a pair of pulling rollers 23, substantially tangential to each other and between which the tin foil 7a passes which is pulled along the above-mentioned path P, unwinding it from the reel 11.
  • the first operating unit 35 also comprises a cutting unit 24 which is able to divide the strip 7a of tin foil into respective aromatised sheets 9.
  • the cutting unit 24 comprises a cutting roller 24a equipped with at least one blade (not visible) and a counter-roller 24b which allow the strip 7a of tin foil to be divided into sheets 9 of desired size.
  • each sheet 9 is designed to firstly wrap the corresponding group 8 of cigarettes, forming the first inner case of each packet of cigarettes.
  • the station 3 for feeding the groups 8 of cigarettes 15 comprises a hopper 13 containing a mass of cigarettes 15 fed to the upper infeed 14 of the hopper 13 using a horizontal channel 14a from a cigarette making machine not illustrated.
  • the hopper 13 inside which the cigarettes 15, positioned side by side horizontally, move transversely to the respective axes, has a lower part 16 formed by a plurality of lower outlet openings 16a equidistant from one another, six in number in Figure 1 .
  • the outlet openings 16a are closed by respective horizontal bottom plates, are delimited laterally by side walls and are divided internally by a plurality of partitions forming channels inside which the cigarettes 15 are positioned in substantially vertical piles.
  • a horizontal belt conveyor 17 looped on respective wheels 17a and 17b, and supporting a plurality of containment means comprising a plurality of containers 18 with longitudinal axis parallel to the axis of the cigarettes 15.
  • the belt conveyor 17 forms the above-mentioned station 3 for feeding the groups 8 of cigarettes 15 and the outlet 3a is defined by the wheel 17b (to the left of the conveyor 17 for someone looking at Figures 1 and 2 ).
  • the containers 18 are designed to contain respective groups 8 of cigarettes 15 and feed according to direction D with a law of motion whereby with each feed of the conveyor 17 an empty box is aligned with a respective outlet opening 16a of the hopper 13.
  • the above-mentioned second wrapping operating unit 36 comprises, positioned close to its infeed, a first wrapping station 5.
  • the first wrapping station 5 comprises a first wrapping conveyor 19 designed to receive the groups 8 of cigarettes 15 and, for each of these, a sheet 9.
  • the first wrapping conveyor 19 comprises a rotary support 20, able to rotate coaxially with the above-mentioned wheel 17b of the belt conveyor 17, but positioned on a plane parallel to the plane in which the wheel 17b lies. More specifically, the plane in which the wheel 17b lies is behind the plane in which the rotary support 20 lies for someone looking at Figures 1 and 2 .
  • the rotary support 20 has on the relative periphery a plurality of pockets 21.
  • the pockets 21 face the containers 18 of the conveyor 17 and receive the groups 8 of cigarettes 15 and the sheets 9 of aromatised tin foil which are intended to be coupled with each group 8.
  • the peripheral pockets 21 of the first wrapping conveyor 19 receive in succession a respective group 8 of cigarettes 15 associated with a respective sheet 9 of aromatised tin foil.
  • each set comprising a sheet 9 of tin foil and group 8 of cigarettes 15 is pushed from the peripheral pocket 21 of the first wrapping conveyor 19 inside the cavity 34 of a respective device 37 of a second wrapping conveyor 38 of which, in Figure 2 , only a single device 37 is partially visible.
  • each sheet 9 couples to each respective group 8 forming a first C-shaped wrapping.
  • the first operating unit 35 comprises a first unit 22 for heating the wrapping material.
  • the first heating unit 22 is formed by the above-mentioned feed unit 4 comprising the pair of pulling rollers 23.
  • the pair of pulling rollers 23 are heated using a device of known type and allow the aromatised substance or additive present on the tin foil to be heated.
  • At least one of the pulling rollers 23 is a roller for embossing the strip 7a of tin foil.
  • the first heating unit 22 operates along a final portion of the predetermined path "P" and it is able to heat the above-mentioned first aromatised wrapping material 7 until the aromatised additive reaches at least a predetermined sublimation temperature t1.
  • the above-mentioned transfer means 25 comprise a suction transfer roller 26 which receives the sheets 9 of aromatised tin foil from the cutting unit 24.
  • the suction transfer roller 26 comprises a rotary support 27, according to the arrow F, and equipped on its respective peripheral surface 26a with a series of suction holes, not illustrated.
  • the suction transfer roller 26 transfers in an orderly fashion the sheets 9 of tin foil to the ordered groups 8 of cigarettes 15 of the conveyor 17 with containers 18.
  • the single sheets 9 are fed to the suction roller 26 and are moved away from one another by a predetermined step which is able to place in reciprocal timing the feeding of the groups 8 of cigarettes 15 with the feeding of the single sheets 9 which must be coupled to each group 8.
  • the machine 1 also comprises a device 28 for rejecting the sheets 9, schematically illustrated as a block in Figure 1 and located in the proximity of of the first operating unit 35.
  • the rejecting device 28 is positioned at an interconnecting area between the suction transfer roller 26 and the conveyor 17 with containers 18, at the outfeed 3a of the station for feeding groups 8 of cigarettes 15.
  • the rejecting device 28 is formed by a Venturi effect vortex suction device 28. It has a tubular suction manifold 29, a suction opening 30, an outlet opening 32 and a supply of pressurised air 31.
  • the tubular suction manifold 29 extends with its suction opening 30 towards an area for rejecting the sheets 9, between the suction transfer roller 26 and the first wrapping conveyor 19. More specifically, the suction opening 30 is positioned at the surface 26a of the suction transfer roller 26 of the sheets 9 of tin foil at the assembly comprising the wheel 17b and the first wrapping conveyor 19.
  • the discharging device 28 is normally supported by a substantially vertical wall 33 which can be provided on a guard of the machine 1.
  • the machine 1 also comprises a control and drive unit 6 designed to receive as input a first machine stationary signal S1 after which it emits a signal S5 for activating the rejecting device 28 which is able to reject a number of sheets 9 equal to those obtained from the cutting of the portion of the first wrapping material 7 between at least the unwinding station 2 and the feed unit 4.
  • a control and drive unit 6 designed to receive as input a first machine stationary signal S1 after which it emits a signal S5 for activating the rejecting device 28 which is able to reject a number of sheets 9 equal to those obtained from the cutting of the portion of the first wrapping material 7 between at least the unwinding station 2 and the feed unit 4.
  • the signal S5 for activating the rejecting device 28 is sent before restarting the machine 1, as a result of which the rejecting step is also performed before restarting the machine 1.
  • the unit 6 After receiving the above-mentioned first machine stationary signal S1, as a result of a fault along the machine 1, the unit 6 emits, in real time, a plurality of signals S2 locking the unwinding station 2, the feed unit 4, the cutting unit 24, the transfer means 25 and the above-mentioned feed station 3.
  • the unit 6 can also emit a signal S2 for locking at least the first wrapping station 5 which forms part of the second wrapping operating unit 36. Or, if the machine shutdown does not stop the second operating unit 36, the unit 6 could send a signal for locking all the second operating unit 36.
  • the control and drive unit 6 is designed to also receive as input a second signal S3 indicating the restarting production of the machine 1. After receiving this second restarting signal S3, the unit 6 emits a plurality of signals S4 for restarting the unwinding station 2, the feed unit 4, the cutting unit 24, the transfer means 25 and the above-mentioned feed station 3.
  • the unit 6 sends to the rejecting device 28 a signal S5 for rejecting a plurality of sheets 9 corresponding to the quantity of wrapping material 7 between, at least, the unwinding station 2 and the feed, cutting and transfer station 4.
  • the control and drive unit 6 is able to emit a second signal S3 for restarting production which is preceded by the emission as output of a plurality of signals S4 for restarting the feed unit 4, the unwinding station 2, the cutting unit 24, the feeding means 25 and the rejecting device 28.
  • the latter is able to reject by suction from the surface 26a of the suction transfer roller 26 a plurality of sheets 9 equal in number to those obtained from the cutting of the portion of the first wrapping material 7 between the unwinding station 2 and the feed unit 4.
  • the unit 6 After the rejecting step, the unit 6 emits a further signal S6 for restarting the second wrapping unit 36.
  • the strip 7a of tin foil is fed along the predetermined path P starting from the unwinding station 2 up to the first operating unit 35.
  • the strip 7a of tin foil is subjected to at least a first heating, in such a way that the aromatised substance or additive reaches at least a predetermined sublimation temperature t1.
  • the sublimation of an aromatised substance or additive means the phase transition from the solid state to the gaseous state, without passing through the liquid state.
  • the strip 7a is brought to a temperature t3 greater than the sublimation temperature t1.
  • the strip 7a of tin foil is subjected, along a first portion P' of the predetermined path P, to a second heating and, more in detail, it is brought to a predetermined unwinding temperature (t2) of the aromatised material. That is to say, to a temperature which allows the aromatised substance or additive to be dried and allows a correct unwinding of the first wrapping material 7. As well as preparing the latter for the further heating step by which it reaches the sublimation temperature t1.
  • the step for second heating of the strip 7a to the predetermined unwinding temperature t2 is obtained by a plurality of drive rollers 12 provided along the feed path P. More specifically, the rollers 12 are heated using heating means of known type.
  • the strip 7a is advanced in unwinding by the first heating unit 22 and, in particular, by the above-mentioned pair of pulling rollers 23 and wrapping itself partially about the feed rollers 12 it is brought to the unwinding temperature t2.
  • the strip 7a of tin foil is then sent to the cutting unit 24 which divides the strip 7a into single sheets 9.
  • the single sheets 9 are then fed to the wrapping station 5 of the group 8 of cigarettes 15 using the suction roller 26 of the transfer unit 25 positioned downstream of the cutting unit 24.
  • the strip 7a of tin foil is brought to the above-mentioned temperature t3, greater than the sublimation temperature t1, because each cut sheet 9 undergoes a cooling during transfer from the suction transfer roller 26 to the first wrapping station 5. For this reason it is heated to a temperature greater than the sublimation temperature.
  • the sheet 9 reaches the respective group 8 of cigarettes 15 at the correct sublimation temperature t1 of the aromatising substance or additive and guarantees that the group 8 of cigarettes 15 can correctly absorb the aroma emanated from the substance when the single sheet 9 is coupled to the group 8 and wrapped around it.
  • control and drive unit 6 can be clearly inferred from the above description and does not require further explanation.
  • the restarting of the packaging means of the second wrapping operating unit 36 and of the machine in its entirety, including the hopper 13, the feed station 3 of the groups 8 of cigarettes and all the other operations of the machine 1, is only performed upon completion of the rejecting of all the sheets 9 which would have been obtained from the cutting of the portion of the first wrapping material 7 which, following the machine shutdown, would have had the respective aromatising substance or additive exposed to the air for a relatively long period of time with its relative oxidisation and subjected to one or more heating steps would have vaporised dispersing into the surrounding environment, thereby compromising their correct absorption by the cigarettes.
  • the machine 1 for packaging groups of aromatised cigarettes as described has many advantages.
  • the rejecting device 28 as described allows the process for rejecting the sheets 9 to be made more efficient, reducing the total time necessary to perform the rejecting of the material, without adversely affecting the complexity and the dimensions of the machine 1.
  • Venturi effect vortex 29 is not invasive on the structure of the machine 1 and, at the same time, picking up the sheets 9 by suction makes the rejecting process quicker and more efficient.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
EP12197303.6A 2011-12-22 2012-12-14 Procédé d'emballage et machine d'emballage de groupes de cigarettes aromatisées Withdrawn EP2607246A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000752A ITBO20110752A1 (it) 2011-12-22 2011-12-22 Metodo di impacchettamento e macchina impacchettatrice di gruppi di sigarette aromatizzate.

Publications (1)

Publication Number Publication Date
EP2607246A1 true EP2607246A1 (fr) 2013-06-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12197303.6A Withdrawn EP2607246A1 (fr) 2011-12-22 2012-12-14 Procédé d'emballage et machine d'emballage de groupes de cigarettes aromatisées

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EP (1) EP2607246A1 (fr)
JP (1) JP2013133171A (fr)
IT (1) ITBO20110752A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068614A (en) * 1976-05-07 1978-01-17 Rothmans Of Pall Mall Canada Limited Machine for applying liquid to absorbent material
DE3639972A1 (de) * 1986-11-22 1988-05-26 Hauni Werke Koerber & Co Kg Verfahren und einrichtung zum aussondern von durch fehlerstellen unbrauchbaren materialbahnabschnitten aus einer materialbahn
US20050158525A1 (en) * 2004-01-20 2005-07-21 G.D Societa' Per Azioni Method and sheet of packing material for producing a packet, and packet so produced
DE102005056627A1 (de) * 2005-11-25 2007-05-31 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zur Herstellung von Zuschnitten für eine Innenumhüllung einer Zigarettengruppe
DE102009050712A1 (de) * 2009-10-26 2011-04-28 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zum Handhaben von Zuschnitten aus Verpackungsmaterial für Zigarettenpackungen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068614A (en) * 1976-05-07 1978-01-17 Rothmans Of Pall Mall Canada Limited Machine for applying liquid to absorbent material
DE3639972A1 (de) * 1986-11-22 1988-05-26 Hauni Werke Koerber & Co Kg Verfahren und einrichtung zum aussondern von durch fehlerstellen unbrauchbaren materialbahnabschnitten aus einer materialbahn
US20050158525A1 (en) * 2004-01-20 2005-07-21 G.D Societa' Per Azioni Method and sheet of packing material for producing a packet, and packet so produced
DE102005056627A1 (de) * 2005-11-25 2007-05-31 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zur Herstellung von Zuschnitten für eine Innenumhüllung einer Zigarettengruppe
DE102009050712A1 (de) * 2009-10-26 2011-04-28 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zum Handhaben von Zuschnitten aus Verpackungsmaterial für Zigarettenpackungen

Also Published As

Publication number Publication date
JP2013133171A (ja) 2013-07-08
ITBO20110752A1 (it) 2013-06-23

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