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EP2911537B1 - Machine de production de cigarettes ventilées de manière réglable - Google Patents

Machine de production de cigarettes ventilées de manière réglable Download PDF

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Publication number
EP2911537B1
EP2911537B1 EP13821948.0A EP13821948A EP2911537B1 EP 2911537 B1 EP2911537 B1 EP 2911537B1 EP 13821948 A EP13821948 A EP 13821948A EP 2911537 B1 EP2911537 B1 EP 2911537B1
Authority
EP
European Patent Office
Prior art keywords
cigarettes
cigarette
portions
drum
slit
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.)
Not-in-force
Application number
EP13821948.0A
Other languages
German (de)
English (en)
Other versions
EP2911537A2 (fr
Inventor
Giuliano Gamberini
Fulvio Pastore
Massimo Sartoni
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 EP2911537A2 publication Critical patent/EP2911537A2/fr
Application granted granted Critical
Publication of EP2911537B1 publication Critical patent/EP2911537B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/322—Transporting cigarettes during manufacturing
    • A24C5/327—Construction details of the cigarette transport drum
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/60—Final treatment of cigarettes, e.g. marking, printing, branding, decorating
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter

Definitions

  • This invention relates to a machine for making adjustably ventilated cigarettes.
  • adjustably ventilated cigarette is meant a cigarette which has on the outside surface of the filter one or more slits whose opening can be adjusted in such a way that the smoker can decide the degree to which the cigarette is aerated.
  • the opening of the external slits on the outside surface of the filter can be adjusted by turning a portion of the filter so that the external slits made on the outside surface of the filter are placed in a desired position relative to corresponding internal slits made in the filter itself.
  • the maximum degree of ventilation is achieved when the external slits are exactly aligned with and perfectly match the internal slits, while the external slits are fully closed when the aforementioned filter portion is turned in such a way that the external slits are no longer in communication with the respective internal slits.
  • adjustably ventilated cigarettes are made with the external slits in the closed position, so as to give the smoker the possibility of increasing the degree of cigarette ventilation, on which the concentration of nicotine depends.
  • This method involves conveying the cigarettes in a cigarette rotating device which comprises two conveyor belts and a skid plate, which is fixed relative to the conveyor belts.
  • the cigarettes are placed between the two conveyor belts in such a way that at least one portion of the filter of each cigarette is in contact with the skid plate.
  • the filter portion which is in contact with the skid plate turns relative to the cigarette portion which is between the two conveyor belts and which remains fixed between the two belts.
  • This turning movement causes the external slits of each cigarette to be offset relative to the internal slits made in the filter, thereby closing the internal slits.
  • skid plate wear may prevent the filter portion from being held firmly, allowing unwanted turning of the filter portion which is in contact with the skid plate itself.
  • This invention has for an aim to provide a machine for making adjustably ventilated cigarettes which is capable of making cigarettes having the same degree of ventilation and which is capable of turning a cigarette filter portion with greater precision than prior art devices.
  • the numeral 1 denotes a machine for making adjustably ventilated cigarettes.
  • the machine 1 comprises a section 2 for making cigarettes 3 with filter tip 10 and comprising a unit 4 for feeding cigarette sticks 7, a unit 5 for feeding filter plugs 8 and a unit 9 for assembling the cigarette sticks 7 with the respective filter plugs 8.
  • the assembly unit 9 is located downstream of the unit 4 for feeding the cigarette sticks 7 and of the unit 5 for feeding the filter plugs 8, each wrapped in a respective wrapping sheet 22.
  • the assembly unit 9 is capable of associating a cigarette stick 7 with a respective filter plug 8.
  • the assembly unit 9 receives from the feed unit 4 double cigarette sticks 7, the two in each pair being spaced from each other, and places a filter plug 8 between every two.
  • the filter plug 8 interposed between the two cigarette sticks 7 is also double, that is to say, will eventually define two filter tips 10, each associated with one cigarette stick 7
  • the filter plug 8 may comprise one or more modular elements placed one after the other to make up the filter plug 8.
  • the assembly unit 9 comprises a rolling device 11 and a device 12 for feeding patches 13.
  • the rolling device 11 is designed to receive the patches 13 from the feed device 12.
  • the rolling device 11 receives two cigarette sticks 7 in succession with the filter plug 8 interposed between them and wraps a patch 13 around them to obtain a double cigarette 3.
  • the double cigarettes 3 are then cut at the filter plugs 8 to obtain a succession of cigarettes 3, each with a filter tip 10.
  • Each cigarette 3 has a main longitudinal axis of extension 3a. Downstream of the assembly unit 9, a final roller unit, labelled 15 in its entirety, performs further finishing operations of known type on the cigarettes 3.
  • Each cigarette 3 with filter tip 10 feeding out of the unit 2 for making cigarettes 3 comprises a cigarette stick 7 and a filter tip 10 consisting of a core of filter material 21 wrapped in the wrapping sheet 22 which is in turn wrapped in the patch 13, as illustrated in Figures 2 to 4 .
  • the patch 13 has a circumferential precut line 14 extending round the cylindrical outside surface of the cigarette 3.
  • the patches 13 fed into the rolling device 11 may already have the precut lines 14 on them.
  • the machine 1 may comprise a device for making precut lines on the patches 13.
  • a laser perforating unit 16 is located downstream of the final roller unit 15.
  • the laser perforating unit 16 comprises a first conveying roller 17 and a laser perforating device 18 facing the outer periphery of the first conveying roller 17.
  • the first conveying roller 17, which rotates about its axis 17a in the direction indicated in Figure 1 , receives the cigarettes 3, each with a filter tip 10, in succession.
  • the laser perforating device 18 makes on each cigarette 3 a first slit 19 and a second slit 20, exactly aligned with the first slit 19.
  • the first and second slits 19 and 20 of each cigarette 3 are located between the precut line 14 of the respective patch 13 and the free end of the filter tip 10.
  • the laser perforating unit 16 can make the circumferential precut line 14 on the patch 13 of each cigarette 3 with filter tip 10.
  • the first and second slits 19 and 20 are made, respectively, on a portion 13a of the patch 13 and on a portion 22a of the wrapping sheet 22 of the filter tip 10, lying under the portion 13a of the patch 13.
  • the first slit 19 is thus located on the outside surface of the cigarette 3 and the second slit 20 is located, relative to the first slit 19, inside the cigarette 3 since it is made on the portion 22a of the wrapping sheet 22 of the filter tip 10, as illustrated in Figures 3 to 5 .
  • the highest degree of ventilation of the cigarette 3 is obtained when the first and second slits 19 and 20 are exactly superposed and matched because they allow air to enter the core of filter material 21.
  • the cigarette 3 is in the configuration of no ventilation when the second slit 20 is closed by the patch 13 above it, around the filter tip 10, thus preventing air from entering the core of filter material 21.
  • slits 19 and 20 are variable as a function of the degree of ventilation specified by manufacturers of cigarettes 3 with filter tip 10.
  • the position of the first slit 19 relative to the second slit 20 is adjusted by turning one of the two portions 23, 24 of the cigarette relative to the other. More specifically, the first portion 23 is turned relative to the second portion 24 of the cigarette 3 about the axis 3a or the second portion 24 is turned relative to the first portion 23 of the cigarette 3 about the axis 3a.
  • the filter tip 10 of each cigarette 3 comprises a circumferential incision 6.
  • first portion 23 overlaps the second portion 24, in particular at a portion of the filter tip 10 extending between the circumferential incision 6 and the precut line 14 along the direction of the axis 3a.
  • the first portion 23 comprises a portion of the filter tip 10 extending from the latter's free end to the incision 6 and a portion of the patch 13, comprising the first slit 19, extending from the free end of the filter tip 10 to the precut line 14, with reference to the axis 3a of the cigarette 3.
  • the patch 13 is connected to the wrapping sheet 22 of the filter plug 8 along a first cylindrical surface 8a which extends from the free end of the filter tip 10 to the circumferential incision 6 and along a second cylindrical surface 8b which extends from the precut line 14 to the cigarette stick 7.
  • the patch 13 is connected to the filter plug 8 on the first and second cylindrical surfaces 8a and 8b by adhesive means.
  • the patch 13 On the portion of the wrapping sheet 22 between the circumferential incision 6 and the precut line 14, the patch 13 is free to slide and, once the precut line 14 is broken, is caused to turn by the first portion 23 of the cigarette 3.
  • the second portion 24 comprises a portion of the filter tip 10 which is overlapped by and lies under the first portion 23 and which extends from the incision 6 to the precut line 14 and comprises the second slit 20 and the rest of the cigarette 3 which extends from the precut line 14 to the free end of the cigarette stick 7.
  • the first and second portions 23 and 24 are connected to each other solely by a length 21 a of filter material capable of twisting when the first portion 23 is turned relative to the second portion 24 or vice versa.
  • the circumferential incision 6 of the filter tip 10 may be made in the machine 1 by a dedicated cutting unit. Alternatively, the circumferential incision 6 may already be present in the filter plugs 8 which are fed to the machine 1.
  • the first and second slits 19 and 20 are exactly matched.
  • a second conveying roller 25, which rotates about its axis 25a in the direction indicated in Figure 1 is located downstream of the first conveying roller 17.
  • the cigarettes 3 with the first and second slits 19 and 20 are received and spaced by the second roller 25 which conveys them towards a roller 26 for rolling the cigarettes 3.
  • a tile 27 is opposed to the periphery of the rolling roller 26.
  • the tile 27 has a cylindrical outside surface facing the periphery of the rolling roller 26.
  • the tile 27 comprises a relief element on its outside surface, also opposed to the rolling roller 26.
  • the rolling roller 26, which rotates about its axis 26a in the direction indicated in Figure 1 , receives the spaced cigarettes 3 from the second conveying roller 25 and conveys them towards the tile 27.
  • the cigarettes 3 come into contact with the cylindrical outside surface of the tile 27 and roll thereon. More specifically, the relief element is located on the cylindrical outside surface 28 so that as the cigarette 3 rolls thereon, the precut line 14 comes into contact with, and is broken by, the relief element 29.
  • the relief element of the rolling roller 26 is located along a peripheral stretch of the rolling roller 26 opposed to the cylindrical outside surface of the tile 27. In this alternative embodiment, too, the relief element breaks the precut line 14 of the patch 13 of each cigarette 3 as the cigarette 3 rolls on the periphery of the roller 26.
  • the spacing of the cigarettes 3 conveyed by the second conveying roller 25 is proportional to the circular arc which the cigarettes 3 must travel as they roll on the rolling roller 26 and on the cylindrical outside surface of the tile 27.
  • the machine 1 comprises a first conveyor 30 which moves along a first feed path P1 and a second conveyor 31 which moves along a second feed path P2 substantially parallel to the first path P1.
  • the first conveyor 30 comprises a plurality of first flutes 32 for receiving the second portions 24 of the cigarettes 3.
  • the second conveyor 31 comprises a plurality of gripping means 33 having second flutes 34 for retaining the first portions 23 of the cigarettes 3.
  • movement means 35 of the gripping means 33 are able to impart torque to the one of the two portions 23, 24 of each cigarette 3 which, by turning about the axis 3a by a predetermined angle ⁇ , offsets the first slit 19 relative to the second slit 20, thus causing the second slit 20 to close.
  • This turning action is obtainable by the twist in the length 21 a of filter material connecting the first portion 23 to the second portion 24.
  • the first conveyor 30 and the second conveyor 31 define a turning unit 36 by which one of the two portions 23, 24 of each cigarette 3 is turned.
  • the turning unit 36 turns one of the two portions 23, 24 relative to the other in order to offset the first slit 19 relative to the second slit 20, in such a way that they are not in communication with each other.
  • the first conveyor 30 comprises a first drum 37 for conveying the cigarettes 3 and whose cylindrical outside surface 37a comprises the first flutes 32 for receiving the second portions 24.
  • the first drum 37 rotates about its axis 49 in the direction indicated in Figure 1 .
  • the first, receiving flutes 32 are located along the cylindrical outside surface 37a of the first drum 37 in such a way that the axes 3a of the cigarettes 3 are parallel to the axis of rotation 49 of the first drum 37 itself. Each of the first flutes 32 receives and retains a respective second portion 24 of a cigarette 3.
  • each of the first flutes 32 retains a respective second portion 24 of a cigarette 3 by suction.
  • the second portions 24 of the cigarettes 3 maintain their position relative to the first drum 37 itself.
  • the second conveyor 31 comprises a second drum 38 coaxial with the first drum 37.
  • the second drum 38 rotates about its axis 50 in the direction indicated in Figure 1 .
  • the second drum 38 On its cylindrical outside surface 38a, the second drum 38 has the gripping means 33, each of whose second, retaining flutes 34 is associated with a respective first, receiving flute 32.
  • first and second drums 37 and 38 are fed with the cigarettes 3 at a feed station 39.
  • a feed roller 40 with an axis 40a, is located upstream of the first and second drums 37 and 38.
  • the feed roller 40 receives the cigarettes 3 from the rolling roller 26, spaces them and conveys them towards the first and second drums 37 and 38.
  • the first and second drums 37 and 38 convey the cigarettes 3 along the respective first and second paths P1 and P2 which extend along a circular arc A defined by a subtended angle ⁇ 1.
  • the first slit 19 might turn relative to the second slit 20 along the circular arc A or, alternatively, along a circular arc B lying within the circular arc A and defined by a subtended angle ⁇ 2 smaller than the subtended angle ⁇ 1.
  • the subtended angle along whose arc the first slit 19 turns relative to the second slit 20 is, in practice, proportional to the rotation ⁇ to be imparted to the first slit 19 in order to offset the latter relative to the second slit 20 and close it.
  • the first and second drums 37 and 38 release the cigarettes 3 with the first portion 19 turned and the second slit 20 positioned in its closed configuration, at a release station 41.
  • outfeed roller 48 Downstream of the first and second drums 37 and 38 there is an outfeed roller 48, which rotates about its axis 48a in the direction indicated in Figure 1 , which picks up the cigarettes 3 at the release station 41 and feeds them out of the machine 1.
  • a first embodiment of the turning unit 36 is described with reference in particular to Figures 7 and 8 .
  • each gripping means 33 rotates about its axis of rotation 33a as it moves along the second feed path P2.
  • each gripping means 33 is parallel to the axis of rotation of the second drum 38.
  • each of the gripping means 33 turns about its axis 33a
  • each of the second, retaining flutes 34 turns about the respective first portion 23 of the cigarette 3.
  • the gripping means 33 turn as they travel along the circular arc A defined by the subtended angle ⁇ 1 during the rotation of the second drum 38.
  • the subtended angle ⁇ 1 is substantially 180°.
  • each of the gripping means 33 turns by 360° about its axis 33a.
  • each of the gripping means 33 turns by 360° about its axis 33a along the circular arc A defined by an angle ⁇ 1 of 180°, one of the two portions 23, 24 of the cigarette 3 must be turned relative to the other along a circular arc B defined by a subtended angle ⁇ 2 equal to half the angle ⁇ .
  • the second flutes 34 for retaining the first portions 23 of the cigarettes 3 are thus activated along at least one stretch of the second feed path P2 corresponding to the circular arc B, in order to impart the torque to the first portions 23 which turn about the axes 3a relative to the respective second portions 24 held in position by the first, receiving flutes 32 of the first drum 37.
  • the gripping means 33 turn about their axes 33a without turning the respective second portions 24 along with them.
  • the movement means 35 drive each of the gripping means 33 in rotation about a respective axis 33a.
  • the movement means comprise an epicyclic gear train 42 which drives each of the gripping means 33 in rotation.
  • the movement means 35 act directly on the gripping means 33, driving them in rotation in such a way as to impart the torque to one of the two portions 23, 24 of the cigarettes 3.
  • each of the gripping means 33 along the circular arc A is particularly advantageous for feeding and releasing the cigarettes 3 to the second drum 38.
  • each of the second, retaining flutes 34 has a cavity having a substantially semi-circular shape and being capable of receiving the respective cigarette 3 when the cavity is directed towards the outside of the second drum 38.
  • the cigarette 3 may be fed to the respective second, retaining flute 34 along a radial direction at right angles to the second drum 38.
  • each second, retaining flute 34 must again be at a position where its cavity is directed outwards in such a way that each cigarette 3 can come out of the second, retaining flute 34 in a radial direction at right angles to the second drum 38.
  • the gripping means 33 which are driven in rotation by the movement means 35, turn the first portion 23 of each cigarette 3 relative to the second portion 24, which is held in a fixed position in the respective first, receiving seat 32 of the first drum 37.
  • a second embodiment of the turning unit 36 is described with reference in particular to Figures 9 to 11 .
  • the gripping means 33 differ from those of the first embodiment of the turning unit 36 in that they maintain a predetermined configuration at least while the gripping means 33 themselves move along the second path P2.
  • the predetermined configuration of the gripping means 33 is such that, during the rotation of the second drum 38, the cavity of the second, retaining flute 34 of each of the gripping means 33 remains directed upwards.
  • the cigarettes 3 must also be released from the respective second, retaining flutes 34 along a direction radial to the second drum 38 which makes with the axis of symmetry of the respective gripping means 33 an angle of approximately 30°.
  • the roller 40 for feeding the cigarettes 3 and the roller 48 for feeding out the cigarettes 3 are positioned in such a way that the straight lines R1, R2 joining a respective centre of rotation of the rollers 40 and 48 to the centre of rotation of the second drum 38 make an angle equal to twice the angle of infeed and outfeed of the cigarettes 3. More specifically, the straight lines R1 and R2 make an angle of 60° with each other.
  • the angle ⁇ 1 subtended by the circular arc A along which extend the first and second paths P1 and P2 of the first and second drums 37 and 38, respectively, is equal to the angle made the straight lines R1, R2.
  • the movement means 35 comprise an articulated joint 43 associated with each of the gripping means 33.
  • the articulated joint 43 is a "Schimdt" joint.
  • the articulated joint 43 comprises a first, a second and a third arm 45, 46 and 47 connected one after the other in succession.
  • the first arm 45 is connected to the second arm 46 which is in turn connected to the third arm 47.
  • the first and third arms 45, 47 are parallel to the axis of rotation 50 of the second drum 38, and the second arm 46, which is interposed between the first and third arms 45, 47, is at right angles to both.
  • the second arm 46 of each articulated joint 43 defines an eccentricity, labelled e in the drawing, relative to the axis of rotation 50 of the second drum 38.
  • each articulated joint 43 has a crank-like form which allows the second, retaining flutes 34, to be kept in the predetermined configuration.
  • the articulated joint 43 associated with each of the gripping means 33 allows the first portion 23 of each cigarette 3 to be kept fixed relative to the second portion 24 in order to impart the torque to the second portion 24 of the cigarette 3.
  • the articulated joint 43 keeps the second, retaining flutes 34 in the same configuration relative to the first, receiving flutes 32, which follow the rotation of the first drum 37 itself.
  • the circular arc A which extends from the feed station 39 to the release station 41 subtends an angle ⁇ 1 equal to the predetermined angle ⁇ . From this it may be inferred that the movement means 35 are capable of imparting the torque to the second portions 24 relative to the first portions 23 because they keep the second, retaining flutes 34 fixed relative to the first, receiving flutes 32 which are driven in rotation by the first drum 37.
  • the retaining system applied by the second, retaining flutes 34 may be embodied in a known manner not illustrated by a vacuum system.
  • an endless belt might be provided to apply pressure, with one of its sections, from the outside towards the centre of the drum 38, thus pressing each of the first portions 23 against the respective flute 34.
  • This retaining action might also be applied by providing a system of grippers where each gripper comprises two jaws and each flute 34 is part of one of the two jaws.
  • the first slit 19 and the second slit 20 on it are offset by the predetermined angle ⁇ .
  • breaking of the precut line 14 may occur on the turning unit 36, when one of two portions 23, 24 of each cigarette 3 is turned.
  • the turning unit 36 may be located immediately downstream of the laser perforating unit 16.
  • the turning unit 36 of the machine 1 allows one of the two portions 23, 24 of each cigarette 3 to be precisely turned relative to the other in order to close second slit 20.
  • the first slit 19 is turned relative to the second slit 20 by an angle ⁇ in such a way that the first slit 19 itself is no longer in communication with the second slit 20, thus placing the cigarette 3 in a configuration of no ventilation.
  • the cigarettes 3 On being fed out of the machine 1 according to the invention, the cigarettes 3 all have the same degree of ventilation, thus minimizing production rejects.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)

Claims (9)

  1. Machine de production de cigarettes ventilées de manière réglable, comprenant une section (2) pour produire des cigarettes (3) à bout-filtre (10) ; la section (2) comprenant une unité (4) pour alimenter des bâtonnets de cigarette (7), une unité (5) pour alimenter des bouchons filtres (8) chacun enveloppé dans une feuille d'emballage respective (22), une unité (9) pour assembler les bâtonnets de cigarette (7) aux bouchons filtres (8), un dispositif (12) pour alimenter des bandes (13) et une rouleuse (11) conçue pour recevoir les bandes (13) et envelopper une bande (13) autour d'au moins une portion de bâtonnet de cigarette (7) et d'un bouchon filtre respectif (8) pour produire une succession de cigarettes (3) à bouts-filtres (10) ayant un axe longitudinal (3a); chaque cigarette (3) à bout-filtre (10) possède une ligne pré-coupée circonférentielle (14) respective et au moins une première fente (19) réalisée dans la bande (13) et une seconde fente (20) réalisée dans la feuille d'emballage (22) du bouchon filtre (8) et correspondant à la première fente (19) ; chaque cigarette (3) à bout-filtre (10) comprenant une première portion (23) avec la première fente (19) et une seconde portion (24) avec la seconde fente (20) ; la machine (1) comprenant un premier convoyeur (30) mobile le long d'un premier parcours d'alimentation (P1) et comprenant une pluralité de premières cannelures (32) pour recevoir les secondes portions (24) de cigarettes (3), un second convoyeur (31) mobile le long d'un second parcours d'alimentation (P2) substantiellement parallèle au premier parcours (P1) et comprenant une pluralité de moyens de préhension (33) ayant des secondes cannelures (34) pour retenir les premières portions (23) de cigarettes (3) et des moyens de déplacement (35) pour déplacer les moyens de préhension (33) ; les moyens de déplacement (35) servant à déplacer les moyens de préhension (33) pouvant, lors du déplacement des deux convoyeurs (30, 31), imprimer un couple à l'une des deux portions (23, 24) de la cigarette (3) qui, en tournant autour de l'axe (3a) de la même cigarette (3) selon un angle prédéfini (θ), décale la première fente (19) par rapport à la seconde fente (20), provoquant ainsi la fermeture de la seconde fente (20).
  2. Machine selon la revendication 1, caractérisée en ce que le premier convoyeur (30) comprend un premier tambour (37) dont la surface cylindrique externe (37a) comprend les premières cannelures (32) pour recevoir les secondes portions (24) de cigarettes (3); le second convoyeur (31) comprend un second tambour (38) étant coaxial au premier tambour (37) et dont la surface cylindrique externe (38a) comprend les moyens de préhension (33) ; chaque moyen de préhension (33) étant associé à une première cannelure de réception (32) respective.
  3. Machine selon l'une quelconque des revendications de 1 à 2, caractérisée en ce que chaque moyen de préhension (33) tourne autour de son axe de rotation (33a) le long du second parcours d'alimentation (P2) du second tambour (38) ; les secondes cannelures (34), servant à retenir les premières portions (23) de cigarettes (3), imprimant le couple aux mêmes premières parties (23) le long d'au moins un segment du second parcours d'alimentation (P2) en tournant les moyens de préhension (33) respectifs autour de son axe (33a).
  4. Machine selon l'une quelconque des revendications de 1 à 3, caractérisée en ce que chaque moyen de préhension (33) tourne autour de son axe (33a) sur 360° le long du second parcours d'alimentation (P2) défini par un arc circulaire (A) ayant un angle sous-tendu (θ1) égal à 180°; les secondes cannelures de retenue (34) tournant les première portions (23) respectives le long d'un segment du second parcours (P2) défini par un arc circulaire (B) ayant un angle sous-tendu (θ2) égal à la moitié de l'angle de rotation (θ).
  5. Machine selon l'une quelconque des revendications de 1 à 4, caractérisée en ce que les moyens de préhension (33) maintiennent leur position par rapport au second tambour (38) ; lors de la rotation du premier tambour (37), les premières cannelures de réception (32) mettant les secondes portions (24) de cigarettes (3) en rotation selon l'angle prédéfini (θ) par rapport aux premières portions (23) étant maintenues en position par les secondes cannelures de retenue (34).
  6. Machine selon l'une quelconque des revendications de 1 à 5, caractérisée en ce qu'un joint articulé (43) est relié à chaque moyen de préhension (33) et maintient la seconde cannelure de retenue (34) dans une position fixe par rapport au second tambour (38).
  7. Machine selon l'une quelconque des revendications de 1 à 6, caractérisée en ce que chaque joint articulé (43) comprend au moins un premier, un second et un troisième bras (45, 46, 47) reliés l'un après l'autre; les premier et troisième bras (45, 47) étant parallèles à l'axe de rotation (50) du second tambour (38) et le second bras (46) étant interposé entre les premier et troisième bras (45, 47) et étant orthogonal à ceux-ci ; le second bras (46) définissant une excentricité (e) par rapport à l'axe de rotation (50) du second tambour (38).
  8. Machine selon l'une quelconque des revendications de 1 à 7, caractérisée en ce que les premières cannelures de réception (32) font tourner les secondes portions (24) de cigarettes (3) par rapport aux premières portions (23) respectives le long d'un premier parcours d'alimentation (P1) défini par un arc circulaire (A) ayant un angle sous-tendu (θ1) étant égal à l'angle de rotation (θ).
  9. Machine selon l'une quelconque des revendications de 1 à 8, caractérisée en ce qu'elle comprend un rouleau (40) pour alimenter les cigarettes (3) et un rouleau (48) pour libérer les cigarettes (3) situés, respectivement, en amont et en aval des premier et second tambours (37, 38) au niveau des postes d'alimentation et de libération (39, 41) respectifs ; l'arc circulaire (A) défini par un angle sous-tendu (θ1) de 60° se prolongeant du poste d'alimentation (39) au poste de libération (41).
EP13821948.0A 2012-10-26 2013-10-21 Machine de production de cigarettes ventilées de manière réglable Not-in-force EP2911537B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000584A ITBO20120584A1 (it) 2012-10-26 2012-10-26 Macchina per la realizzazione di sigarette a ventilazione regolabile.
PCT/IB2013/059513 WO2014064601A2 (fr) 2012-10-26 2013-10-21 Machine de production de cigarettes ventilées de manière réglable

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EP2911537A2 EP2911537A2 (fr) 2015-09-02
EP2911537B1 true EP2911537B1 (fr) 2016-12-07

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JP (1) JP6243437B2 (fr)
IT (1) ITBO20120584A1 (fr)
WO (1) WO2014064601A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20154735A1 (it) * 2015-10-19 2017-04-19 Gd Spa Dispositivo saldatore e metodo per la sua realizzazione.
DE102016125001A1 (de) * 2016-12-20 2018-06-21 Hauni Maschinenbau Gmbh Rotationsfördervorrichtung zum Fördern von Artikeln der tabakverarbeitenden Industrie

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59501443A (ja) * 1982-07-23 1984-08-16 フィリップ・モーリス・プロダクツ・インコーポレイテッド シガレツトおよびその製造法
US4526183A (en) * 1982-09-30 1985-07-02 Philip Morris Incorporated Filter cigarette
JPS59501813A (ja) * 1982-09-30 1984-11-01 フィリップ・モーリス・プロダクツ・インコーポレイテッド 調整可能なフイルタ−・シガレツトおよびその製造法
US4527573A (en) * 1982-11-05 1985-07-09 Philip Morris Incorporated Filter cigarette
US4817638A (en) * 1985-08-01 1989-04-04 Philip Morris Incorporated Apparatus for adjusting a cigarette having variable smoking characteristics
JP4125970B2 (ja) * 2003-02-19 2008-07-30 日本たばこ産業株式会社 フィルタシガレット及びその製造装置

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Publication number Publication date
WO2014064601A3 (fr) 2014-07-10
EP2911537A2 (fr) 2015-09-02
WO2014064601A2 (fr) 2014-05-01
JP6243437B2 (ja) 2017-12-06
ITBO20120584A1 (it) 2014-04-27
JP2015532835A (ja) 2015-11-16

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