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EP3429379B1 - Dispositif de fabrication d'articles pour fumeurs - Google Patents

Dispositif de fabrication d'articles pour fumeurs Download PDF

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Publication number
EP3429379B1
EP3429379B1 EP17716634.5A EP17716634A EP3429379B1 EP 3429379 B1 EP3429379 B1 EP 3429379B1 EP 17716634 A EP17716634 A EP 17716634A EP 3429379 B1 EP3429379 B1 EP 3429379B1
Authority
EP
European Patent Office
Prior art keywords
continuous web
patch
succession
discrete areas
turning
Prior art date
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Active
Application number
EP17716634.5A
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German (de)
English (en)
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EP3429379A1 (fr
Inventor
Marco Esposti
Massimo Sartoni
Ivan Eusepi
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GD SpA
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GD SpA
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Priority to PL17716634T priority Critical patent/PL3429379T3/pl
Publication of EP3429379A1 publication Critical patent/EP3429379A1/fr
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Publication of EP3429379B1 publication Critical patent/EP3429379B1/fr
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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
    • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A24C5/471—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces by means of a connecting band
    • A24C5/473—Cutting the connecting band

Definitions

  • This invention relates to a device for making smokers' articles such as cigarettes, filters or multi-component cigarettes in general.
  • this description refers to a device forming part of a machine designed, in its entirety, to make cigarettes, without thereby limiting the scope of the invention.
  • DE-B-1096270 discloses an example of device for feeding and cutting said continuous web into pieces of paper material (called "patches").
  • the rolling device of the type described above is not well suited to rolling with patches of composite thickness, in particular with patches consisting of a piece having a first, long layer and a second, shorter layer, where layer length is considered in the circumferential direction of wrapping round the "cigarette - double-length filter - cigarette" group.
  • patches of this kind the front edges of the layers must be perfectly aligned with each other in the direction of feed of the pieces.
  • the first part of the patch to engage the "cigarette - double-length filter - cigarette" group must be the part having extra thickness.
  • misalignment between the two edges is very frequent on account of inevitable positioning errors at the moment of overlapping.
  • the basic technical purpose of this invention is to provide a device for making cigarettes to overcome the above mentioned disadvantages of the prior art.
  • this invention has for an aim to provide a device for making cigarettes capable of guaranteeing acceptable cigarette quality where the cigarettes are made by rolling a patch having composite thickness.
  • the numeral 1 denotes in its entirety a cigarette making device according to this invention.
  • the device 1 comprises a feeding unit 2 for feeding a continuous web 100 of wrapping material, in particular a paper web, which may be unwound from a roll, not illustrated.
  • a feeding unit 2 for feeding a continuous web 100 of wrapping material, in particular a paper web, which may be unwound from a roll, not illustrated.
  • the continuous web 100 is of the type having, along its main direction if extension, a succession of discrete areas 110 having extra thickness.
  • the discrete areas 110 are spaced from each other along the main direction if extension of the continuous web 100 in such a way as to produce, along the continuous web 100, a succession of areas with normal thickness (that is to say, where the thickness is determined by the paper web only) and discrete areas 110 with extra thickness.
  • These discrete areas 110 might not be distinguished by different thickness, although the areas referred to hereinafter in this description are of this type. Instead, the areas 110 might be distinguished by different colours, shapes, materials or material treatments.
  • the discrete areas 110 may be defined by areas of application of discrete elements in sheet form of specific shape (rectangular in the embodiment described and as shown in Figures 2-4 ).
  • the feeding unit 2 may comprise specific means (not illustrated) for applying the discrete elements on a surface of the continuous web 100.
  • the continuous web 100 might be unwound from a web in a configuration where the discrete elements are already applied to it.
  • the device 1 Downstream of the feeding unit 2, the device 1 also comprises a conveyor 3 configured to receive the continuous web 100 from the feeding unit 2 and defining a feed path "P".
  • the conveyor 3 preferably comprises a conveyor drum 4 rotatable about a respective axis of rotation "X" which defines the aforementioned feed path "P" which has the shape of an arc, in particular a circular arc.
  • the device 1 also comprises cutting means 5 located along the feed path "P" and acting in conjunction with the conveyor drum 4 to cut the continuous web 100 (whose front end is supported by the conveyor drum 4) both at zones 120 of the continuous web 100 with the aforementioned discrete areas 110 and at zones 130 of the continuous web 100 without the discrete areas, in such a way as to obtain a succession of wrapping patches 200, 200', each of which has only a part of one of the discrete areas 110.
  • the cutting means 5 comprise a cutting roller 6 provided with a succession of peripheral blades 7 spaced at suitable angular intervals to make a succession of cuts at a desired spacing.
  • the conveyor drum 4 and the cutting roller 6 are operatively set in rotation in continuous mode.
  • the conveyor drum 4 comprises at least one supporting member 8, 9 having a supporting and retaining surface 10 which supports and retains a respective patch 200, 200' obtained by cutting the continuous web 100 and which moves the patch 200, 200' along the aforementioned feed path "P".
  • the supporting and retaining surface 10 is preferably provided with suction holes, not illustrated.
  • the conveyor drum 4 comprises a succession of supporting members 8, 9 which are angularly spaced, preferably equispaced, over its entire outer periphery ( Figure 1 ).
  • each supporting member 8, 9 The function of each supporting member 8, 9 is to first retain the front end of the continuous web 100 (immediately upstream of the zone of interaction between the conveyor drum 4 and the cutting roller 6) and then to retain a respective patch 200, 200' separated from the continuous web 100 by the cutting roller 6.
  • the device 1 also comprises at least one turning device, active on the feed path "P" and operating on at least one of the patches 200, 200' separated from the continuous web 100 to overturn the patch 200, 200' in such a way as to invert the positions of the front edge and rear edge of the patch 200, 200' with reference to the feed direction of the patch 200, 200' along the feed path "P".
  • the device 1 comprises a plurality of turning devices which are angularly distributed on the periphery of the conveyor drum 4 and each adapted to turn a respective patch 200, 200' in the manner described above.
  • the device 1 also comprises a subsequent station comprising a transfer drum 11 - of known type and normally provided with pins for controlling the patches - located downstream of the conveyor drum 4 and of the turning device and configured to receive:
  • the patches 200 are then protected and contained by a fixed tile 14 disposed to face the transfer drum 11.
  • each group 300 Downstream of the transfer drum 11 there is a rolling drum (of known type and not illustrated) and a cutting station (not illustrated) is also provided to divide each group 300 into a respective pair of finished cigarettes placed to end with their filter tips.
  • the patches 200 in motion on the conveyor drum 4 are thus oriented correctly because the extra thick strip is located at the front so that the patches 200 can be wrapped around the respective groups 300 in such a way that the extra thick strip 210 engages the group 300 first, whilst the remaining part with normal thickness simply forms an outer closure wrapping.
  • the patches 200' are not correctly oriented and must be turned by 180° (turned round in the position plane) so as to invert the positions of the front edge and rear edge of the patches 200', as described above, by means of the turning device.
  • the aforementioned turning devices are defined by respective movable supporting members 9 which are, in particular, rotatably mounted on the periphery of the conveyor drum 4.
  • the aforementioned supporting members 8, 9 form, along the periphery of the conveyor drum 4, an alternating succession of fixed supporting members 8 alternated with movable supporting members 9.
  • the number of fixed supporting members 8 is equal to the number of movable supporting members 9 on the periphery of the conveyor drum 4.
  • each movable supporting member 9 is rotatable about an axis "Y" which is preferably disposed radially on the conveyor drum 4, that is to say, which is incident on the axis of rotation "X" of the conveyor drum 4.
  • the axis "Y" of the movable supporting member 9 is perpendicular to the supporting and retaining surface 10.
  • the fixed supporting members 8 are intended to support the patches 200 which are oriented correctly after being cut, while the movable supporting members 9 are intended to support and turn the patches 200' whose orientation after being cut is opposite to the correct orientation.
  • each movable supporting member 9 is configured to adopt a rest position, where it is positioned in an intermediate space 13 between two adjacent, fixed supporting members 8, and a turning (operative) configuration, where it is positioned away from the intermediate space 13 at a position suitable for turning the respective patch 200' without interfering with the adjacent, fixed supporting members 8.
  • each movable supporting member 9 can be moved from the rest position to the turning position by translation away from the axis "X" of the conveyor drum 4, that is to say, the movable supporting member 9 is lifted away from the peripheral surface of the conveyor drum 4.
  • the patch 200' to be turned is at a level above the adjacent patches 200 and thus does not interfere with these as it turns.
  • each movable supporting member 9 can be moved from the rest position to the turning position by translation in parallel with the axis "X" of the conveyor drum 4.
  • all the supporting members 8, 9 might be of movable type so as to increase the operating flexibility of the device 1.
  • the continuous web 100 is gripped by the supporting members 8, 9 of the conveyor drum 4 and, immediately after that, the cutting means 5 make a succession of cuts alternately at the zones 120 of the continuous web 100 with the discrete areas 110 and at the zones 130 of the continuous web 100 without the discrete areas 110, thus producing an alternating succession of correctly oriented patches 200 with the extra thick strip 210 at the front and oppositely oriented patches 200' with the extra thick strip 210 at the back.
  • the cuts are made centrally of or half way along the zones 120 of the continuous web 100 with the discrete areas 110 and the zones 130 of the continuous web 100 without the discrete areas 110, respectively.
  • the incorrectly oriented patches 200' (which are supported by the movable supporting members 9) are turned after being moved away from the intermediate space 13 so as not to interfere with the fixed supporting members 8 adjacent to them.
  • the movable supporting members 9 After turning, the movable supporting members 9 are returned to the initial position within the intermediate space 13 and the patches 200, which are now all oriented correctly, are fed to the transfer drum 11.
  • the transfer drum 11 couples the patch 200 to the respective "cigarette - filter” or "cigarette - double-length filter - cigarette” group 300.
  • the rolling drum applies a first wrapping with a front strip 210 of the patch 200, of extra thickness, and a second wrapping, on the outside of the first wrapping, with a rear strip 220 of the patch 200, of normal thickness.
  • the first and second wrappings are necessary when the length of the patch 200 is approximately twice the circumference of the cigarette.
  • FIGS 3 and 4 show variant embodiments of the device 1 according to the invention.
  • the cutting means comprise a first cutting device (not illustrated) configured to make a succession of first cuts "T1" at the zones 120 of the continuous web 100 with the discrete areas "110" and a second cutting device (not illustrated) configured to make a succession of second cuts "T2" at the zones 130 of the continuous web "100" without the discrete areas 110, where the first and second cutting devices are mutually spaced along the feed path "P".
  • the first cutting device which makes the first cuts at the zones 120 of the continuous web 100 with the discrete areas 110
  • the second cutting device which makes the second cuts "T2" at the zones 130 of the continuous web "100" without the discrete areas 110
  • the positions of the cutting devices are inverted.
  • the present invention achieves the preset aims, overcoming the disadvantages of the prior art.
  • cutting the continuous web at the extra thick zones makes it possible to obtain patches having extra thickness at the front edge without misalignments between the different layers making it up.
  • cutting the continuous web at the zones of different colour, material or material treatment makes it possible to obtain patches having at the front edge of it a desired colour, material or material treatment, without misalignments between the different zones.
  • the method is fully automated, allows attaining high operating speeds and high levels of reliability, producing good quality cigarettes with an optimal rate of repeatability.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (25)

  1. Dispositif de roulage de cigarettes, comprenant :
    - une unité d'alimentation (2) pour alimenter une bande continue (100) de matière d'enveloppement comportant une succession de zones distinctes (110) ;
    - un convoyeur (3) configuré pour recevoir la bande continue (100) de l'unité d'alimentation (2) et définir un parcours d'alimentation (P);
    - des moyens de coupe (5) situés le long du parcours d'alimentation (P) et agissant conjointement avec le convoyeur (3) pour couper la bande continue (100) à la fois en correspondance des zones (120) de la bande continue (100) avec les zones distinctes (110) et en correspondance des zones (130) de la bande continue (100) sans les zones distinctes (110), de manière à obtenir une succession de bandelettes d'enveloppement (200, 200'), chacune d'elles comportant uniquement une partie d'une des zones distinctes (110) ;
    le dispositif étant caractérisé en ce qu'il comprend au moins un dispositif tournant (9), actif sur le parcours d'alimentation (P) et agissant sur au moins une des bandelettes (200') séparées de la bande continue (100) pour retourner la bandelette (200') de manière à inverser les positions du bord antérieur et du bord postérieur de la bandelette (200') en référence à la direction d'alimentation de la bandelette (200') le long du parcours d'alimentation (P).
  2. Dispositif selon la revendication 1, dans lequel l'au moins un dispositif tournant (9) comprend au moins un organe de support (9) mobile comportant une surface (10) pour supporter et retenir une bandelette (200') respective, et dans lequel l'organe de support (9) peut pivoter de manière à tourner la bandelette (200') de 180° autour d'un axe (Y) perpendiculaire à la surface de support et de retenue (10).
  3. Dispositif selon la revendication 1 ou 2, dans lequel le convoyeur (3) comprend un tambour transporteur (4) tournant autour d'un axe respectif de rotation (X) et dans lequel l'au moins un dispositif tournant (9) est défini par une pluralité d'organes de support (9) mobiles disposés en rotation autour de la périphérie extérieure du tambour transporteur (4).
  4. Dispositif selon les revendications 2 et 3, dans lequel l'axe (Y) de l'organe de support (9) mobile croise l'axe de rotation (X) du tambour transporteur (4) .
  5. Dispositif selon la revendication 3 ou 4, dans lequel le tambour transporteur (4) comprend aussi, sur sa périphérie extérieure, une succession d'organes de support (8) fixes s'alternant avec les organes de support (9) mobiles.
  6. Dispositif selon la revendication 5, dans lequel les organes de support (8) fixes et les organes de support (9) mobiles sont disposés en nombre égal autour de la périphérie extérieure du tambour transporteur (4) et dans une configuration mutuellement alternée le long de la périphérie extérieure.
  7. Dispositif selon la revendication 5 ou 6, dans lequel chaque organe de support (9) mobile est configuré pour adopter une position de repos, où il est positionné dans un espace intermédiaire (13) entre deux organes de support (8) fixes adjacents, et une configuration tournante, où il est positionné éloigné de l'espace intermédiaire (13) à une position adaptée pour tourner la bandelette (200') respective sans interférer avec les organes de support (8) fixes adjacents.
  8. Dispositif selon la revendication 7, dans lequel chaque organe de support (9) mobile peut être déplacé de la position de repos à la position tournante par translation en s'éloignant de l'axe de rotation (X) du tambour transporteur (4).
  9. Dispositif selon la revendication 7, dans lequel chaque organe de support (9) mobile peut être déplacé de la position de repos à la position tournante par translation de façon parallèle à l'axe de rotation (X) du tambour transporteur (4).
  10. Dispositif selon l'une quelconque des revendications précédentes, dans lequel les moyens de coupe (5) comprennent un dispositif de coupe individuel configuré pour réaliser une succession de premières coupes (T1) en correspondance des zones (120) de la bande continue (100) avec des zones distinctes (110) et une succession de secondes coupes (T2) en correspondance des zones (130) de la bande continue (100) sans les zones distinctes (110), les premières et secondes coupes (T1, T2) s'alternant les unes aux autres.
  11. Dispositif selon l'une quelconque des revendications de 1 à 9, dans lequel les moyens de coupe comprennent un premier dispositif de coupe configuré pour réaliser une succession de premières coupes (T1) en correspondance des zones (120) de la bande continue (100) avec les zones distinctes (110) et un second dispositif de coupe configuré pour réaliser une succession de secondes coupes (T2) en correspondance des zones (130) de la bande continue (100) sans les zones distinctes (110), les premier et second dispositifs de coupe étant mutuellement espacés le long du parcours d'alimentation (P).
  12. Dispositif selon l'une quelconque des revendications précédentes, comprenant de plus un tambour de transfert (11) situé en aval du convoyeur (3) et de l'au moins un dispositif tournant (9) et configuré pour recevoir une succession de bandelettes (200) orientées uniformément et pour appliquer successivement chaque bandelette (200) en les roulant autour d'un groupe (300) respectif constitué d'une « cigarette - filtre double - cigarette ».
  13. Procédé de roulage de cigarettes, comprenant les étapes suivantes :
    - préparer une bande continue (100) de matière d'enveloppement comportant une succession de zones distinctes (110) ;
    - alimenter la bande continue (100) à un convoyeur (3) définissant un parcours d'alimentation (P) ;
    - réaliser une succession de coupes (T1, T2) sur la bande continue (100) à la fois en correspondance des zones (120) de la bande continue (100) avec les zones distinctes (110) et en correspondance des zones (130) de la bande continue (100) sans les zones distinctes (110), de manière à obtenir une succession de bandelettes d'enveloppement (200, 200'), chacune d'elles comportant uniquement une partie de l'une des zones distinctes (110) ;
    le procédé étant caractérisé en ce qu'il comprend aussi une étape consistant à tourner au moins une des bandelettes (200') séparées de la bande continue (100) pour retourner la bandelette (200) de manière à inverser les positions du bord antérieur et du bord postérieur de la bandelette (200) en référence à la direction d'alimentation de la bandelette (200) le long du parcours d'alimentation (P).
  14. Procédé selon la revendication 13, dans lequel l'étape consistant à réaliser une succession de coupes (T1, T2) sur la bande continue (100) est effectuée transversalement au parcours d'alimentation (P) et en correspondance de sections à ligne médiane des zones distinctes (110) et/ou en correspondance de zones (130) de la bande continue (100) situées en correspondance de positions équidistantes entre deux zones distinctes consécutives (110).
  15. Procédé selon la revendication 13 ou 14, dans lequel l'étape consistant à tourner au moins une bandelette (200') comprend tourner uniquement une bandelette (200') d'une paire de bandelettes (200, 200') consécutives de manière à obtenir une succession alternée de bandelettes tournées (200') et de bandelettes non tournées (200).
  16. Procédé selon la revendication 15, dans lequel après l'étape consistant à tourner au moins une bandelette (200'), la succession de bandelettes (200) comprend des bandelettes (200) de forme identique et orientées uniformément en référence au parcours d'alimentation (P).
  17. Procédé selon l'une quelconque des revendications de 13 à 16, dans lequel le parcours d'alimentation (P) se prolonge autour d'un axe (X) et comprend de préférence un arc circulaire, et dans lequel l'étape consistant à tourner au moins une bandelette (200') comprend tourner la bandelette (200') autour d'un axe de rotation (Y) croisant l'axe (X).
  18. Procédé selon la revendication 15, dans lequel l'étape consistant à tourner la bandelette (200') comprend l'éloignement de la bandelette (200') du parcours d'alimentation (P) de manière à placer la bandelette (200') en correspondance d'une position où elle peut être tournée sans interférer avec les bandelettes (200) adjacentes.
  19. Procédé selon les revendications 17 et 18, dans lequel l'étape consistant à tourner la bandelette (200') comprend l'éloignement de la bandelette (200') du parcours d'alimentation (P) par translation en s'éloignant de l'axe de rotation (X) autour duquel se prolonge le parcours d'alimentation (P).
  20. Procédé selon les revendications 17 et 18, dans lequel l'étape consistant à tourner la bandelette (200') comprend l'éloignement de la bandelette (200') du parcours d'alimentation (P) par translation parallèlement à l'axe de rotation (X) autour duquel se prolonge le parcours d'alimentation (P).
  21. Procédé selon l'une quelconque des revendications de 13 à 20, dans lequel l'étape consistant à couper la bande continue comprend une succession de premières coupes (T1) sur la bande continue (100) en correspondance des zones (120) de la bande continue (100) avec des zones distinctes (110) et une succession de secondes coupes (T2) sur la bande continue (100) en correspondance des zones (130) de la bande continue (100) sans les zones distinctes (110), les premières et secondes coupes (T1, T2) étant réalisées alternativement par un seul dispositif de coupe (5).
  22. Dispositif selon l'une quelconque des revendications de 13 à 20, dans lequel l'étape consistant à couper la bande continue comprend une succession de premières coupes (T1) sur la bande continue (100) en correspondance des zones (120) de la bande continue (100) avec les zones distinctes (110) et une succession de secondes coupes (T2) sur la bande continue (100) en correspondance des zones (130) de la bande continue (100) sans les zones distinctes (110), les premières et secondes coupes (T1, T2) étant réalisées par deux dispositifs de coupe différents situés en correspondance de positions mutuellement espacées le long du parcours d'alimentation (P).
  23. Procédé selon l'une quelconque des revendications de 13 à 22, comprenant de plus une étape finale consistant à envelopper chaque bandelette (200) autour d'un groupe (300) respectif constitué d'une « cigarette - filtre » ou d'une « cigarette - filtre double - cigarette ».
  24. Procédé selon la revendication 23, dans lequel l'étape consistant à envelopper chaque bandelette (200) autour d'un groupe (300) respectif constitué d'une « cigarette - filtre » ou d'une « cigarette - filtre double - cigarette » comprend la première fois, un enveloppement avec une bande antérieure (210) de la bandelette (200), d'une épaisseur plus importante, et la seconde fois sur l'extérieur du premier enveloppement avec une bande postérieure (220) de la bandelette (200), d'une épaisseur normale.
  25. Procédé selon l'une quelconque des revendications de 13 à 24, dans lequel les zones distinctes (110), d'épaisseur plus importante, sont définies par l'application d'éléments distincts sur une surface de la bande continue (100).
EP17716634.5A 2016-03-15 2017-03-13 Dispositif de fabrication d'articles pour fumeurs Active EP3429379B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17716634T PL3429379T3 (pl) 2016-03-15 2017-03-13 Urządzenie do wytwarzania artykułów dla palących

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUA20161633 2016-03-15
PCT/IB2017/051444 WO2017158492A1 (fr) 2016-03-15 2017-03-13 Dispositif de fabrication d'articles pour fumeurs

Publications (2)

Publication Number Publication Date
EP3429379A1 EP3429379A1 (fr) 2019-01-23
EP3429379B1 true EP3429379B1 (fr) 2020-03-04

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EP17716634.5A Active EP3429379B1 (fr) 2016-03-15 2017-03-13 Dispositif de fabrication d'articles pour fumeurs

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EP (1) EP3429379B1 (fr)
PL (1) PL3429379T3 (fr)
WO (1) WO2017158492A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096270B (de) * 1958-04-21 1960-12-29 Hauni Werke Koerber & Co Kg Vorrichtung zum Abstandbilden von von einem stetig bewegten Streifen abgeschnittenen Blaettchen
DE10028000A1 (de) * 2000-06-08 2001-12-13 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Zuführen eines abschnittweise perforierten Belagpapierstreifens für ventilierte Zigaretten
US7789089B2 (en) * 2006-08-04 2010-09-07 R. J. Reynolds Tobacco Company Filtered cigarette possessing tipping material
GB201222438D0 (en) * 2012-12-13 2013-01-23 British American Tobacco Co Apparatus for processing a moving web of material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3429379A1 (fr) 2019-01-23
PL3429379T3 (pl) 2020-08-24
WO2017158492A1 (fr) 2017-09-21

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