EP1519657B1 - Verfahren zum herstellen von filterzigaretten - Google Patents

Verfahren zum herstellen von filterzigaretten Download PDF

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Publication number
EP1519657B1
EP1519657B1 EP03741079A EP03741079A EP1519657B1 EP 1519657 B1 EP1519657 B1 EP 1519657B1 EP 03741079 A EP03741079 A EP 03741079A EP 03741079 A EP03741079 A EP 03741079A EP 1519657 B1 EP1519657 B1 EP 1519657B1
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Prior art keywords
pitch
articles
along
portions
double
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EP03741079A
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English (en)
French (fr)
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EP1519657A2 (de
Inventor
Fiorenzo Draghetti
Gabriele Giunta
Salvatore Rizzoli
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GD SpA
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GD SpA
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    • 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
    • A24C5/478—Transport means for filter- or cigarette-rods in view of their assembling

Definitions

  • the present invention relates to a method of producing filter-tipped cigarettes.
  • filter-tipped cigarettes are known to be produced on a filter assembly machine defining internally a path along which elongated tobacco articles are fed in a direction crosswise to their respective axes.
  • the above known filter assembly machine receives, at an input, a succession of first tobacco articles - hereinafter referred to as "double portions" - which, travelling transversely along said path through a cutting station, are each cut.into two coaxial single portions.
  • each double portion is then spaced axially and separated by the interposition of a double filter, which is fed to the double portion feed line by a separate feed line, and forms, together with the relative pair of single portions, a second tobacco article hereinafter referred to as a " group " .
  • each group is then connected integrally to one another at a rolling station by means of a gummed strip to form a third tobacco article - hereinafter referred to as a "double cigarette" - wherein a central portion of the strip covers the double filter, and the end portions of the strip cover the facing ends of the two single cigarette portions.
  • rolling the groups to form the relative double cigarettes is a highly critical step, in that rolling speed, which is a direct function of the output rate of the filter assembly machine, must be kept within a given maximum value to avoid tobacco fallout from the open ends of the single portions.
  • rolling speed is also known to depend directly on the pitch with which the succession of groups is fed to the rolling station.
  • the standard pitch with which the groups are fed to the rolling station is relatively long (about 37.7 mm) and, though simplifying various handling operations upstream from the rolling station, is directly and largely responsible for the rolling speed of the groups.
  • US-5349968-A1 discloses a method of producing filter-tipped cigarettes, in which an orderly succession of first tobacco items, each consisting of a double cigarette portion, is fed along a path, along which the first items are cut into two portions, which are connected by rolling, and by means of an outer band and the interposition of an intermediate double filter, to form an orderly succession of second items, which are cut to form a first and second succession of third items consisting of single, side by side, oppositely-oriented cigarettes; the cigarettes in one of the two successions being turned over 180 DEG in relation to those in the other succession to form at least one stream of equioriented cigarettes for supply to a follow-up machine.
  • the pitch of the various successions of items undergoing only one change along the entire path and in particular the pitch is reduced downstream from a rolling station.
  • US-5474091-A1 proposes feeding the double portions to the filter assembly machine with a shorter than standard pitch, i.e. a pitch approximately equal to but no shorter than the length of the strips used - in actual practice, a length ranging between approximately 32 and 20 mm. According to a different embodiment shown in figure 3, US-5474091-Al proposes reducing the pitch of the items to the above shorter pitch immediately upstream from a rolling station.
  • FIG. 1 and 2 show schematic side views of a first and second portion respectively of a system for implementing the method constituting the object of the present invention.
  • Number 1 in Figure 1 indicates as a whole a system for producing filter-tipped cigarettes, and comprising a known cigarette manufacturing machine 2.
  • Machine 2 in turn comprises an output plate 3, along which a continuous cigarette rod (not shown) is fed at substantially constant axial speed and divided by a known cutting head (not shown) into a succession of double portions 4.
  • the cutting head (not shown) is rotated in known manner at such a speed as to produce double portions 4 of a length equal to the sum of the lengths of the tobacco-containing portions of two filter-tipped cigarettes being produced.
  • Number 5 in Figure 1 indicates as a whole a filter assembly machine, a known input unit 6 of which transfers double portions 4 successively in known manner from output plate 3 of manufacturing machine 2 into respective seats 7 equally spaced with a pitch P1, normally of 37.7 mm, along the periphery of a roller 8 defining an input roller of filter assembly machine 5 and rotating anticlockwise in Figure 1 at constant angular speed.
  • manufacturing machine 2 is a dual-rod machine; in which case, double portions 4 are picked up in pairs, one for each rod, off plates 3 and transferred to roller 8 by a known input unit, preferably of the type described in US Patent No. 4,645,063.
  • Input roller 8 feeds double portions 4, crosswise to their respective longitudinal axes, along an input portion of an initial portion S1 of a path B extending along the whole of filter assembly machine 5, and transfers double portions 4 successively to respective seats 9 equally spaced with said pitch P1 along the periphery of a roller 10, which is powered to rotate clockwise in Figure 1, is located tangent to input roller 8, and conveys double portions 4 with their ends contacting an aligning plate 11, which aligns them perfectly with one another crosswise to their travelling direction.
  • double portions 4 are fed by roller 10, still along portion S1 of path B, through a known cutting station 12, where each double portion 4 is cut into two portions 13 and 14, which remain aligned inside seat 9 and substantially contacting each other end to end.
  • roller 10 is tangent to side by side rollers 16 and 17 of a parting or axial spacing assembly indicated as a whole by 18.
  • parting assembly 18 is of the type described in US Patent No. 4,531,629, to which full reference is made herein for the purpose of full disclosure, though other types of parting devices, such as that described in US Patent No. 4,200,179, may obviously be used in place of parting assembly 18 shown.
  • portions 13 and 14 occupying each seat 9 are transferred to respective seats 19 and 20, which, in known manner, are wider than seats 9 and spaced along the peripheries of respective rollers 16 and 17 with pitch P1.
  • parting assembly 18 By virtue of parting assembly 18, whose rollers 16 and 17 are offset in height, the portions 13 and 14 formerly aligned inside each seat 9 are parted axially by a distance substantially equal to the length of a double filter 21, and are fed, at a transfer station 22 defining an output end of initial portion S1, into seats 23, which, in known manner and like seats 19 and 20, are wider than seats 9 and spaced, with a shorter pitch P2 than P1, along the periphery of a roller 24 substantially tangent to rollers 16 and 17 and defining the input roller of a first intermediate portion S2 of path B.
  • pitch P2 ranges between 30 and 32 mm, and is normally 31 mm.
  • Roller 24 is parallel to roller 10, and defines an output portion of both portion S1 of path B and a line 25 supplying double filters 21, and which comprises an output roller 26 having seats 27 spaced with the shorter pitch P2 along the periphery of roller 26.
  • Roller 26 feeds each double filter 21 to a relative seat 23 at a loading station 28 located upstream from transfer station 22. More specifically, roller 26 feeds each double filter 21 into a substantially central portion of respective seat 23 corresponding to the gap between the facing ends of the relative pair of portions 13 and 14, so that, once fed into respective seat 23, each double filter 21 defines, inside seat 23, two vacant end portions, which are eventually occupied by respective coaxial portions 13 and 14 to form, on roller 24, a group 29 defined by two portions 13 and 14 separated by a double filter 21.
  • Roller 24 feeds groups 29 successively, with the shorter pitch P2, to seats 30 of a roller 31, which is located along portion S2 and feeds groups 29 successively through a loading station 32 for loading a succession of strips 33 fed with the shorter pitch P2 to roller 31 by a feed line 34.
  • Each strip 33 integrally connects portions 13 and 14 and double filter 21 of a respective group 29, and is of a length approximately equal to but no less than the length of the outer periphery of portions 13 and 14, and approximately equal to but no greater than pitch P2, which is just sufficient to enable each strip 33 to engage a relative group 29 along an outer generating line of group 29, and to project from relative group 29 towards, and without contacting, the adjacent upstream group 29.
  • a pitch P2 of 31 mm provides for producing cigarettes of any currently used size (roughly 8.6 mm maximum diameter), though shorter pitches P2 may obviously be used in the case of machines producing given sizes.
  • a known rolling unit 35 is located immediately downstream from roller 31, and comprises a roller 36 having seats 37 spaced with the shorter pitch P2 along the periphery of roller 36, and each for receiving in known manner from roller 31 a relative group 29 and a relative strip 33.
  • Roller 36 feeds groups 29 and relative strips 33 to a rolling station 38, which is defined by a fixed plate 39 facing the outer periphery of roller 36 and defined, in known manner on the side facing roller 36, by a knurled cylindrical surface portion coaxial with roller 36 and separated from an outer cylindrical surface of roller 36 by a distance approximately equal to but no greater than the diameter of a portion 13, 14.
  • each group 29 rolls backwards about its axis and out of relative seat 37, so that relative strip 33 winds about relative double filter 21 and the end portions, facing double filter 21, of relative portions 13 and 14 to form a double cigarette 40.
  • double cigarettes 40 roll backwards, during rolling, along the periphery of roller 36, so as to reduce their pitch, by the end of plate 39, to a pitch P3 substantially equal to half pitch P2 and normally of 16-17 mm.
  • double cigarettes 40 are transferred, with pitch P3 and at a transfer station 41, into respective seats 42 spaced with pitch P3 along the periphery of a roller 43.
  • Roller 43 defines the input roller of a second intermediate portion S3 of path B, and transfers double cigarettes 40 to a further roller 44 for feeding double cigarettes 40 through a cutting assembly 45, which cuts double cigarettes 40 in half to produce, from each double cigarette 40, two coaxial single cigarettes 46 with their filters facing and contacting end to end.
  • each pair of single cigarettes 46 is transferred to respective aligned seats 48a and 48b on a roller 49 of a turnover unit 50 defining the input of an output portion S4 of path B.
  • seats 48a are fixed with respect to roller 49, whereas each seat 48b is movable with respect to roller 49, and rotates obliquely 180° with respect to roller 49 into a position between two respective adjacent seats 48a, so as to form a succession of equioriented single cigarettes 46, which are spaced with a pitch P4 equal to half pitch P3, are positioned substantially contacting one another laterally, and are transferred, with pitch P4 and through a succession of known work stations (not shown) located between two rollers 51 and 52, to an output roller 53, and onto an output conveyor 54 terminating portion S4 and path B.
  • both double filters 21 and strips 33 can be supplied with the shorter pitch P2 and therefore at a slower speed.

Landscapes

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

Claims (10)

  1. Verfahren zum Herstellen von Filterzigaretten, wobei das Verfahren die Schritte umfaßt:
    Zuführen einer geordneten Reihe bzw. Folge bzw. Abfolge erster Tabakartikel (4), die um einen ersten Abstand bzw. Pitch (P1) voneinander beabstandet sind und von denen jeder durch ein Doppelzigarettenteil definiert ist, zu einem ersten. Teil bzw. Abschnitt (S1) eines Weges bzw. Pfades (B), der sich entlang einer Filterbestükkungsmaschine bzw. Filtereinsetzmaschine (5) erstreckt;
    Zuführen der ersten Artikel (4) entlang des ersten Abschnitts (S1) und durch eine erste Schneidstation (12), um die ersten Artikel (4) schräg bzw. quer in jeweilige Paare von Teilen bzw. Abschnitten (13, 14) zu schneiden, und dann durch Abstandsmittel (18), um die Teile bzw. Abschnitte (13, 14) in jedem der Paare axial zu beabstanden;
    Zuführen bzw. Beschicken der Paare beabstandeter Teile bzw. Abschnitte (13, 14) entlang eines zweiten Teils bzw. Abschnitts (S2) des Weges (B);
    Zwischenfügen bzw. Einfügen, während sie sich entlang des zweiten Abschnitts (S2) fortbewegen, eines Doppelfilters (21) zwischen die Teile bzw. Abschnitte (13, 14) in jedem der Paare, um eine Reihe bzw. Folge bzw. Abfolge zweiter Artikel (29) zu bilden, wobei jeder durch das jeweilige bzw. zugehörige Paar der Teile bzw. Abschnitte (13, 14) und durch den jeweiligen bzw. zugehörigen zwischengefügten bzw. eingefügten Doppelfilter (21) definiert ist;
    Anlegen durch Rollen, entlang des zweiten Abschnitts (S2), eines jeweiligen Streifens (33) an jeden der zweiten Artikel (29), um das jeweilige bzw. zugehörige Paar der Teile bzw. Abschnitte (13, 14) und den jeweiligen bzw. zugehörigen Doppelfilter (21) zu verbinden und einen dritten Artikel (40) zu bilden, der durch eine Doppelzigarette definiert ist;
    Zuführen der dritten Artikel (40) entlang eines dritten Teils bzw. Abschnitts (S3) des Weges (B) und durch eine zweite Schneidstation (45), um aus jedem der dritten Artikel (40) zwei vierte Artikel (46) zu erhalten, die entgegengesetzt orientiert sind und von denen jeder durch eine Filterzigarette definiert ist; und
    Zuführen der besagten vierten Artikel (46) entlang eines vierten Teils bzw. Abschnitts (S4) des Weges (B) und durch eine Schwenkradeinheit bzw. Umdreheinheit (50) um eine Reihe bzw. Folge bzw. Abfolge gleichorientierter vierter Artikel (46) zu erhalten;
    wobei das Verfahren gekennzeichnet ist durch das Umfassen des weiteren Schritts des Aussetzens der ersten Artikel (4), während sie sich entlang des besagten ersten Abschnitts (S1) fortbewegen und somit bevor ein Doppelfilter (21) zwischen den Teilen bzw. Abschnitten (13, 14) in jedes der Paare zwischengefügt bzw. eingefügt wird, einer Pitch- bzw. Abstandsreduktion, um einen zweiten Pitch bzw. Abstand (P2) anzunehmen, der kürzer ist als der erste Abstand (P1) und der von einer Länge ist, die ungefähr gleich aber nicht geringer ist als die Länge des jeweiligen bzw. zugehörigen Streifens (33).
  2. Verfahren wie in Anspruch 1 beansprucht, wobei der erste Abstand ungefähr 37,7 mm ist, und der zweite Abstand (P2) zwischen 30 und 32 mm liegt.
  3. Verfahren wie in Anspruch 2 beansprucht, wobei der zweite Abstand (P2) ungefähr 31 mm lang ist.
  4. Verfahren wie in einem der Ansprüche 1 bis 3 beansprucht, wobei die Abstandsreduktion am Ende des ersten Abschnitts (S1) gemacht wird, wenn die ersten Artikel (4) von dem ersten Abschnitt (S1) zu dem zweiten Abschnitt (S2) überführt werden.
  5. Verfahren wie in einem der Ansprüche 1 bis 3 beansprucht, wobei die Abstandsreduktion entlang des ersten Abschnitts (S1) gemacht wird und bevor die ersten Artikel (4) von dem ersten Abschnitt (S1) zu dem zweiten Abschnitt (S2) überführt werden.
  6. Verfahren wie in irgendeinem der Ansprüche 1 bis 5 beansprucht, und umfassend den weiteren Schritt des Aussetzens der dritten Artikel (40), während sie sich entlang des zweiten Abschnitts (S2) fortbewegen, einer weiteren Pitch- bzw. Abstandsreduktion, um einen dritten Pitch bzw. Abstand (P3) anzunehmen, der kürzer ist als der zweite Abstand (P2).
  7. Verfahren wie in Anspruch 6 beansprucht, wobei die weitere Abstandsreduktion gemacht wird, wenn die dritten Artikel (40) von dem zweiten Abschnitt (S2) zu dem dritten Abschnitt (S3) überführt werden.
  8. Verfahren wie in irgendeinem der Ansprüche 1 bis 7 beansprucht, und umfassend den weiteren Schritt des Aussetzens der vierten Artikel (46), während sie sich entlang des vierten Abschnitts (S4) fortbewegen, noch einer weiteren Pitch- bzw. Abstandsreduktion, um einen vierten Pitch bzw. Abstand (P4) anzunehmen, der kürzer ist als der dritte Abstand (P3).
  9. Verfahren wie in Anspruch 8 beansprucht, wobei die noch weitere Abstandsreduktion gemacht wird, wenn sich die vierten Artikel (46) durch die Schwenkradeinheit bzw. Umdreheinheit (50) fortbewegen.
  10. Verfahren zum Herstellen von Filterzigaretten, wobei das Verfahren die Schritte umfaßt:
    Zuführen einer geordneten Reihe bzw. Folge bzw. Abfolge erster Tabakartikel (4), die um einen ersten Abstand bzw. Pitch (P1) voneinander beabstandet sind und von denen jeder durch ein Doppelzigarettenteil definiert ist, zu einem ersten Teil bzw. Abschnitt (S1) eines Weges bzw. Pfades (B), der sich entlang einer Filterbestükkungsmaschine bzw. Filtereinsetzmaschine (5) erstreckt;
    Zuführen der ersten Artikel (4) entlang des ersten Abschnitts (S1) und durch eine erste Schneidstation (12), um die ersten Artikel (4) schräg bzw. quer in jeweilige Paare von Teilen bzw. Abschnitten (13, 14) zu schneiden, und dann durch Abstandsmittel (18), um die Teile bzw. Abschnitte (13, 14) in jedem der Paare axial zu beabstanden;
    Zuführen bzw. Beschicken der Paare beabstandeter Teile bzw. Abschnitte (13, 14) entlang eines zweiten Teils bzw. Abschnitts (S2) des Weges (B);
    Zwischenfügen bzw. Einfügen, während sie sich entlang des zweiten Abschnitts (S2) fortbewegen, eines Doppelfilters (21) zwischen die Teile bzw. Abschnitte (13, 14) in jedem der Paare, um eine Reihe bzw. Folge bzw. Abfolge zweiter Artikel (29) zu bilden, wobei jeder durch das jeweilige bzw. zugehörige Paar der Teile bzw. Abschnitte (13, 14) und durch den jeweiligen bzw. zugehörigen zwischengefügten bzw. eingefügten-Doppelfilter (21) definiert ist;
    Anlegen durch Rollen, entlang des zweiten Abschnitts (S2), eines jeweiligen Streifens (33) an jeden der zweiten Artikel (29), um das jeweilige bzw. zugehörige Paar der Teile bzw. Abschnitte (13, 14) und den jeweiligen bzw. zugehörigen Doppelfilter (21) zu verbinden und einen dritten Artikel (40) zu bilden, der durch eine Doppelzigarette definiert ist;
    Zuführen der dritten Artikel (40) entlang eines dritten Teils bzw. Abschnitts (S3) des besagten Wegs (B) und durch eine zweite Schneidstation (45), um aus jedem der dritten Artikel (40) zwei vierte Artikel (46) zu erhalten, die entgegengesetzt orientiert sind und von denen jederdurch eine Filterzigarette definiert ist; und
    Zuführen der vierten Artikel (46) entlang eines vierten Teils bzw. Abschnitts (S4) des Weges (B) und durch eine Schwenkradeinheit bzw. eine Umdreheinheit (50) um eine Reihe bzw. Folge bzw. Abfolge gleichorientierter vierter Artikel (46) zu erhalten;
    und wobei das Verfahren gekennzeichnet ist durch das Umfassen der weiteren Schritte:
    Aussetzen der ersten Artikel (4), während sie sich entlang des ersten Abschnitts (S1) fortbewegen, einer Pitch- bzw. Abstandsreduktion, um einen zweiten Abstand bzw. Pitch (P2) anzunehmen, der kürzer ist als der erste Abstand (P1) und der von einer Länge ist, die ungefähr gleich aber nicht geringer ist als die Länge des jeweiligen bzw. zugehörigen besagten Streifens (33);
    Aussetzen der dritten Artikel (40), während sie sich entlang des zweiten Abschnitts (S2) fortbewegen, einer zweiten Pitch- bzw. Abstandsreduktion, um einen dritten Abstand bzw. Pitch (P3) anzunehmen, der kürzer ist als der zweite Abstand (P2); und
    Aussetzen der vierten Artikel (46), während sie sich entlang des vierten Abschnitts (S4) fortbewegen, einer dritten Pitch- bzw. Abstandsreduktion, um einen vierten Pitch bzw. Abstand (P4) anzunehmen, der kürzer ist als der dritte Abstand (P3).
EP03741079A 2002-06-28 2003-06-27 Verfahren zum herstellen von filterzigaretten Expired - Lifetime EP1519657B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITBO20020412 2002-06-28
IT2002BO000412A ITBO20020412A1 (it) 2002-06-28 2002-06-28 Metodo per la realizzazione di sigarette col filtro
PCT/IT2003/000405 WO2004002246A2 (en) 2002-06-28 2003-06-27 Method of producing filter-tipped cigarettes

Publications (2)

Publication Number Publication Date
EP1519657A2 EP1519657A2 (de) 2005-04-06
EP1519657B1 true EP1519657B1 (de) 2007-02-28

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Application Number Title Priority Date Filing Date
EP03741079A Expired - Lifetime EP1519657B1 (de) 2002-06-28 2003-06-27 Verfahren zum herstellen von filterzigaretten

Country Status (9)

Country Link
US (1) US20060054173A1 (de)
EP (1) EP1519657B1 (de)
JP (1) JP4354910B2 (de)
CN (1) CN100361608C (de)
AT (1) ATE354979T1 (de)
AU (1) AU2003280520A1 (de)
DE (1) DE60312164T2 (de)
IT (1) ITBO20020412A1 (de)
WO (1) WO2004002246A2 (de)

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Publication number Priority date Publication date Assignee Title
ITBO20040521A1 (it) * 2004-08-09 2004-11-09 Gd Spa Metodo e macchina per realizzazione di sigarette col filtro
DE102005012810A1 (de) 2005-03-17 2006-10-05 Hauni Maschinenbau Ag Verfahren zur Herstellung von Filterzigaretten
DE102005019682A1 (de) * 2005-04-26 2006-11-09 Hauni Maschinenbau Ag Fördertrommel der Tabak verarbeitenden Industrie
DE102005031701A1 (de) * 2005-07-05 2007-01-11 Hauni Maschinenbau Ag Selbstreinigende Filteransetzmaschine
US8047208B2 (en) * 2006-05-31 2011-11-01 Philip Morris Usa Inc. Double action filter assembly wheel with flipping wheel
ITBO20070489A1 (it) * 2007-07-18 2007-10-17 Gd Spa Metodo ed unita di alimentazione di fogli di incarto ad una stazione di incarto multipla.
ITBO20110331A1 (it) * 2011-06-08 2012-12-09 Gd Spa Metodo e macchina mettifiltro per realizzare sigarette con filtro.
ITUA20163256A1 (it) * 2016-05-09 2017-11-09 Gd Spa Dispositivo alimentatore e procedimento di alimentazione di gruppi di prodotti di ridotte dimensioni longitudinali per macchine del settore del tabacco.
DE102017117016A1 (de) * 2017-07-27 2019-01-31 Hauni Maschinenbau Gmbh Herstellung von stabförmigen Rauchprodukten
CN108783585A (zh) * 2018-07-30 2018-11-13 熊婧 一种加热不燃烧卷烟制造中同步供给短烟支的方法

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Publication number Priority date Publication date Assignee Title
CH398418A (de) * 1959-07-04 1966-03-15 Z V I Plzen Narodni Podnik Verfahren zur kontinuierlichen Hintereinanderreihung der Einzelteile von in zwei oder mehr Teile geteilten stabförmigen Gegenständen, insbesondere Filterstäben, zwecks Verbindung der Einzelteile mit anderen stabförmigen Gegenständen, Insbesondere Zigaretten
DE2632557C2 (de) * 1976-07-20 1987-02-12 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum Wenden einer Reihe von queraxial geförderten Zigaretten
IT1169184B (it) * 1983-03-14 1987-05-27 Gd Spa Dispositivo variatore di passo per articoli a forma di barretta
DE4008475C2 (de) * 1990-03-16 2002-10-10 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Herstellen von Filterzigaretten
US5349968A (en) * 1992-07-22 1994-09-27 G.D Societa' Per Azioni Method of producing filter-tipped cigarettes
IT1266305B1 (it) * 1993-04-23 1996-12-27 Gd Spa Metodo per la realizzazione di sigarette col filtro.
IT1266343B1 (it) * 1993-05-07 1996-12-27 Gd Spa Dispositivo di cambio-passo per una successione ordinata di elementi.
IT1263447B (it) * 1993-06-28 1996-08-05 Gd Spa Metodo per la realizzazione di sigarette col filtro.

Also Published As

Publication number Publication date
JP2005536991A (ja) 2005-12-08
CN1665408A (zh) 2005-09-07
JP4354910B2 (ja) 2009-10-28
ATE354979T1 (de) 2006-03-15
WO2004002246A8 (en) 2004-04-15
ITBO20020412A1 (it) 2003-12-29
DE60312164T2 (de) 2007-10-31
AU2003280520A8 (en) 2004-01-19
CN100361608C (zh) 2008-01-16
WO2004002246A2 (en) 2004-01-08
AU2003280520A1 (en) 2004-01-19
ITBO20020412A0 (it) 2002-06-28
EP1519657A2 (de) 2005-04-06
DE60312164D1 (de) 2007-04-12
US20060054173A1 (en) 2006-03-16
WO2004002246A3 (en) 2004-02-26

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