EP1596674B1 - Vorrichtung zum anbringen von filtern an zigaretten - Google Patents

Vorrichtung zum anbringen von filtern an zigaretten Download PDF

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Publication number
EP1596674B1
EP1596674B1 EP04710948A EP04710948A EP1596674B1 EP 1596674 B1 EP1596674 B1 EP 1596674B1 EP 04710948 A EP04710948 A EP 04710948A EP 04710948 A EP04710948 A EP 04710948A EP 1596674 B1 EP1596674 B1 EP 1596674B1
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EP
European Patent Office
Prior art keywords
conveyor
rolling
flexible
assemblies
channel
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.)
Expired - Lifetime
Application number
EP04710948A
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English (en)
French (fr)
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EP1596674A1 (de
Inventor
Fiorenzo Draghetti
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GD SpA
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GD SpA
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Publication of EP1596674A1 publication Critical patent/EP1596674A1/de
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Expired - Lifetime legal-status Critical Current

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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
    • A24C5/471—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces by means of a connecting band

Definitions

  • the present invention relates to a device for applying filters to cigarettes, and in particular to a device by which cigarettes and filters are joined together with gummed tipping papers.
  • filters are applied to cigarettes by machines referred to as filter tip attachments, in a succession of steps briefly described below.
  • Cigarettes are ordered in pairs, with the two cigarettes of each pair axially aligned and a filter plug double the length of a tip for one cigarette interposed between them in end-to-end contact, likewise axially aligned.
  • the group or assembly made up of the single cigarettes and the filter plug is joined permanently by means of a gummed tipping paper wrapped around the filter plug and overlapping each of the corresponding cigarette ends by about three millimetres.
  • these assembling and joining steps can be brought about on the surface of a conveying drum, onto which the aforementioned assemblies and the gummed papers are directed, in an operation whereby each assembly is rolled against a relative paper.
  • the rolling action is induced along a passage delimited on the one hand by the drum and on the other by a fixed plate of arched profile that combines with the outer surface of the drum to create a rolling channel.
  • the rolling channel is created between the drum on the one hand, and on the other, a belt driven at a speed different to that of the drum and embodied usually in a flexible and resilient material.
  • the belt material tends to wear rapidly.
  • the object of the present invention is to provide a device for applying filters to cigarettes that will be unaffected by the drawbacks typical of prior art devices as described above.
  • 1 denotes a portion of a filter tip attachment, in its entirety, comprising a device for applying filters to cigarettes, denoted 2 in its entirety.
  • 3 denotes a fluted drum 3 rotatable anticlockwise as viewed in figure 1, on which to advance assemblies 4 composed (as illustrated in figure 3) of two cigarettes 5 and a double length filter plug 6 interposed between the two cigarettes.
  • the assemblies 4 are directed by the drum 3 through a transfer station 7 and into the device 2, of which the infeed stage includes a first conveyor 8 consisting in a roller 9, rotatable clockwise as viewed in figure 1 and furnished peripherally with a plurality of aspirating seats or grooves 10 each serving to accommodate a respective assembly 4 together with a tipping paper 11 cut from continuous strip by a rotary blade of conventional embodiment (not illustrated) operating in conjunction with the roller 9 at a point upstream of the transfer station 7.
  • a first conveyor 8 consisting in a roller 9, rotatable clockwise as viewed in figure 1 and furnished peripherally with a plurality of aspirating seats or grooves 10 each serving to accommodate a respective assembly 4 together with a tipping paper 11 cut from continuous strip by a rotary blade of conventional embodiment (not illustrated) operating in conjunction with the roller 9 at a point upstream of the transfer station 7.
  • a flexible rolling conveyor 12 Positioned in close proximity to the roller 9, downstream of the transfer station 7, is a flexible rolling conveyor 12 that combines with the outer cylindrical surface of the roller 9 to establish a rolling channel 13.
  • the flexible rolling conveyor 12 is looped around first and second transmission means denoted 14 and 15 of which the first, upstream, comprises a first freely revolving return pulley 16 combining with the flexible conveyor 12 by which it is partly enveloped to create an infeed conveyor 17 preceding the rolling channel 13, whilst the second, downstream, comprises a second power driven return pulley 18 and, rigidly and concentrically associated with the pulley, a take-up roller 19 of which the periphery affords a plurality of recesses 20 placed to receive the assemblies 4 emerging from the rolling channel 13, each with a tipping paper 11 wrapped around the double filter plug 6 and the cigarettes 5 and denoted 4a.
  • the pulley 18 and roller 19 thus constitute an outfeed and take-up conveyor 21.
  • the peripheral speed of the conveying roller 9 is greater than the speed of the flexible conveyor 12 along the channel 13, thereby inducing the rolling action.
  • a roller 22 shown in figure 1 is a roller 22, indicated by phantom lines, rotatable about an axis parallel to the axis of the roller 19 by which the assemblies 4a are taken up from the conveying roller 9 and serving to feed the assemblies 4a on to further processing means not illustrated.
  • the outside face of the flexible conveyor 12 which can be fashioned as a web or belt of resilient and flexible material, is furnished with a plurality of rigid cladding elements 23 consisting, as illustrated in figure 5, of metal cleats 24 ordered one beside the next and disposed transversely to the selfsame conveyor 12.
  • a plurality of rigid cladding elements 23 consisting, as illustrated in figure 5, of metal cleats 24 ordered one beside the next and disposed transversely to the selfsame conveyor 12.
  • fastening means 25 taking the form of blocks 26 secured to the respective cleats 24 by clamping means 27 such as screws or bolts.
  • the rolling channel 13 is formed entirely between the cylindrical surface of the conveying roller 9 on the one hand and the corresponding branch of the flexible conveyor 12 on the other, presenting a curved profile; accordingly, the channel 12 is furnished with retaining means and with guiding and locating means denoted 28 and 29 respectively, in their entirety, by which the conveyor 12 is made to describe a path concentric with the roller 9 and the depth of the channel 13 maintained constant and substantially identical to the diameter of the cigarette and filter assemblies 4.
  • the retaining means 28 consist in a plurality of magnetic elements 30 fashioned as discs and embedded in a pair of nonmagnetic parallel bars 31 cradled by an arched member 32 consisting also of nonmagnetic material and extending parallel to the rolling channel 13.
  • the function of the magnetic elements 30 is to interact with the cleats 24 and with the fastening means 25 and thereby attract the flexible conveyor 12 along the length of the rolling channel 13 in such a way as to maintain the correct position of the conveyor 12 relative to the conveying roller 9, as described above.
  • the guiding and locating means 29 comprise a plurality of freely revolving wheels 33 rotatable about axes parallel to the axis of the conveying roller 9 and offered in contact to the inside face of the flexible conveyor 12.
  • the wheels 33 are ordered in three races parallel to the two bars 31, which are interposed between the races of wheels 33.
  • Each race comprises two rows of wheels 33 lying in parallel planes with each wheel 33 of each row partly overlapping one or two wheels of the parallel and adjacent row, so to afford substantially continuous support to the flexible conveyor 12.
  • the inside face of the flexible conveyor 12 affords a toothed profile 34 in mesh with corresponding teeth afforded by the first and second pulleys 16 and 18 and by the freely revolving wheels 33, denoted 35, 36 and 37 respectively.
  • the surfaces of the cleats 24 combining to establish one face of the rolling channel 13 each present a reeded profile 38 that constitutes the rolling surface proper.
  • every second cleat 24 of the rolling surface in the example illustrated, is furnished along the edge located downstream in the direction followed by the conveyor 12 along the channel 13, with a rib or lip 39 of which the function is to interact positively with each assembly 4 directed into the rolling channel 13 so as to initiate the rolling step brought about along the channel 13.
  • the adjoining edges of successive cleats 24 present a broken outline 40 and interlock one with the next in such a way as to prevent dust or foreign matter, typically tobacco particles, from fouling the parts of the flexible conveyor 12 beneath.
  • the aforementioned rib or lip 39 will occupy a substantially intermediate position on the cleat 24.
  • the device 2 according to the invention is equipped with two guards 41, one only of which visible in figure 1, flanking the flexible conveyor 12 on either side and occupying respective vertical planes adjacent to the two return pulleys 16 and 18.
  • the protected space between the two guards 41 will accommodate the drive for the live pulley 18.
  • the assemblies 4 enter the rolling channel 13 spaced apart at a first pitch p1 and reach the outfeed end of the channel 13 at a second pitch p2 shorter than the first.
  • a further reduction in pitch is also necessary.
  • the roller 19 is greater in diameter than the pulley 18 with which it is rigidly associated, and presents a predetermined number of recesses 20 spaced apart in such a manner as to shorten the distance between the advancing assemblies 4a from the aforementioned second pitch p2 to a further selected pitch p3.
  • the rolling channel 13 is created between two flexible conveyors 12, one on either side, embodied in entirely the same way as the conveyor 12 illustrated in figure 1, the channel 13 in this instance extending through a rectilinear path and the conveying roller 9 being replaced by a flexible conveyor 12 looped around two pulleys 42 and 43 identical to the pulleys 16 and 18 described previously.
  • the pulley denoted 42 will be rigidly associated with a roller 44 presenting seats or grooves 45 similar to the seats or grooves 10 of the conveying roller 9, by which the assemblies 4 are taken up from the drum 3 and transferred to the rolling channel 13.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Specific Conveyance Elements (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Electrically Operated Instructional Devices (AREA)

Claims (23)

  1. Vorrichtung zum Anbringen von Filtern an Zigaretten, enthaltend einen ersten Förderer (8), der zum Heranführen von Gruppen (4) dient, bestehend aus wenigstens einer Zigarette (5) und einem am Ende angeordneten Filterstück (6), sowie aus Filterpapieren (11), durch welche die Gruppen dauerhaft zusammengefügt werden, und einen Rollkanal (13) von einer Tiefe, die ungefähr dem Durchmesser der Gruppen (4) angepasst ist, die von dem ersten Förderer (8) kommen, bei welcher der Rollkanal (13) wenigstens auf der einen Seite einen flexiblen Rollförderer (12) enthält, der um erste und zweite Übertragungsmittel (14, 15) gewunden ist, dadurch gekennzeichnet, dass die Abrollfläche des flexiblen Förderers (12) mit einer Anzahl von starren Elementen (23) versehen ist.
  2. Vorrichtung nach Patentanspruch 1, bei welcher die starren Elemente (23) eine Anzahl von Stollen (24) enthalten, die einer neben dem anderen in Querrichtung entlang dem flexiblem Förderer (12) angeordnet sind, um eine Abdeckung zu bilden.
  3. Vorrichtung nach Patentanspruch 2, bei welcher jeder Stollen (24) durch jeweilige Befestigungsmittel (25) an dem flexiblen Förderer (12) angebracht ist.
  4. Vorrichtung nach Patentanspruch 3, bei welcher die Befestigungsmittel (25) eine Anzahl von Einsatzstücken (26) enthalten, die an der Seite des flexiblen Förderers (12) entgegengesetzt von den Stollen (24) positioniert sind, jedes angeschlossen an einen jeweiligen Stollen (24) mit Hilfe von Klemmmitteln (27).
  5. Vorrichtung nach Patentanspruch 1, bei welcher der Rollkanal (13) einen ersten flexiblen Förderer (12) auf der einen Seite und einen zweiten flexiblen Förderer (12) auf der anderen enthält.
  6. Vorrichtung nach Patentanspruch 5, bei welcher der Rollkanal (13) einen ersten flexiblen Förderer (12) auf der einen Seite und einen zweiten flexiblen Förderer (12) wie in den Patentansprüchen von 2 bis 4 auf der anderen enthält.
  7. Vorrichtung nach Patentanspruch 5 oder 6, bei welcher sich der Rollkanal (13) entlang einer vorgegebenen und im wesentlichen geradlinigen Abrollbahn erstreckt.
  8. Vorrichtung nach den Patentansprüchen von 5 bis 7, bei welcher beide flexiblen Förderer (12) um jeweilige erste und zweite Übertragungsmittel (14, 15) gewunden sind, enthaltend jeweilige Umlenkrollen (16, 18; 42, 43), wobei eins der Übertragungsmittel (14, 15) ausserdem einen Ausgangs- und Aufnahmeförderer (21) enthält, positioniert zum Aufnehmen der aus dem Rollkanal (13) austretenden Gruppen (4a).
  9. Vorrichtung nach den Patentansprüchen von 1 bis 4, bei welcher sich der Rollkanal (13) entlang einer vorgegebenen und im wesentlichen gebogenen Abrollbahn erstreckt.
  10. Vorrichtung nach Patentanspruch 9, bei welcher der Rollkanal (13) zwischen einer Rolle (9) mit Ansaugsitzen (10), übereinstimmend mit dem ersten Förderer (8), auf der einen Seite und einem flexiblen Förderer (12) auf der anderen Seite beschrieben ist.
  11. Vorrichtung nach Patentanspruch 10, bei welcher die ersten und zweiten Übertragungsmittel (14, 15) des flexiblen Förderers (12) eine erste und eine zweite Umlenkrolle (16, 18) enthalten, wobei die ersten Übertragungsmittel (14) einen Eingangsförderer (17) bilden, und wobei die zweiten Übertragungsmittel (15) ausserdem einen Ausgangs- und Aufnahmeförderer (21) enthalten, angeordnet koaxial mit der jeweiligen zweiten Umlenkrolle (18) und dazu dienend, die aus dem Rollkanal (13) austretenden Gruppen (4a) aufzunehmen.
  12. Vorrichtung nach Patentanspruch 11, enthaltend Haltemittel (28) sowie Führungs- und Anschlagmittel (29), zugeordnet dem flexiblen Förderer (12) und positioniert an der Seite des flexiblen Förderers (12) entgegengesetzt von dem Kanal (13).
  13. Vorrichtung nach Patentanspruch 12, bei welcher die Haltemittel (28) eine Anzahl von Magnetelementen (30) enthalten, die mit den Befestigungsmitteln (25) und/oder den Stollen (24) zusammenwirken.
  14. Vorrichtung nach Patentanspruch 12, bei welcher die Führungs- und Anschlagmittel (29) eine Anzahl von sich frei drehenden Rädern (33) enthalten, die sich mit der Oberfläche des flexiblen Förderers (12) im Kontakt befinden.
  15. Vorrichtung nach den Patentansprüchen 13 und 14, bei welcher die Magnetelemente (30) von wenigstens einem Trägerteil (32) aus nicht magnetischem Material gehalten werden, das sich parallel zu dem Rollkanal (13) erstreckt und zwischen zwei Serien der Führungs- und Anschlagräder (33) eingesetzt ist.
  16. Vorrichtung nach Patentanspruch 15, bei welcher die einzelnen Serien der Führungs- und Anschlagräder (33) in jeweiligen Reihen angeordnet sind, welche parallele Ebenen belegen, und zwar mit jedem Rad (33) einer jeden Reihe teilweise wenigstens ein Rad der angrenzenden Reihe übergreifend.
  17. Vorrichtung nach den Patentansprüchen von 1 bis 16, bei welcher der flexible Förderer (12) ein verzahntes Profil (34) aufweist, das sich im Eingriff mit Zähnen (37) befindet, die von den Führungs- und Anschlagrädern (33) aufgewiesen sind, sowie mit Zähnen (35, 36), aufgewiesen von den Rollen (16, 18).
  18. Vorrichtung nach den Patentansprüchen von 1 bis 17, bei welcher jeder der Stollen (24) eine Abrollfläche aufweist, die mit einem gerändelten Profil (38) versehen ist.
  19. Vorrichtung nach den Patentansprüchen von 1 bis 18, bei welcher wenigstens ein Stollen (24) pro vorgegebener Einheitszahl von Stollen mit wenigstens einer Rippe oder Lippe (39) versehen ist, die dazu dient, die Rollwirkung im Inneren des Rollkanals (13) einzuleiten.
  20. Vorrichtung nach Patenanspruch 8 und nach den Patentansprüchen von 11 bis 19, bei welcher der Ausgangs- und Aufnahmeförderer (21) zum Aufnehmen der aus dem Rollkanal (13) austretenden Gruppen (4a) eine Rolle (19) enthält, durch welche die austretenden Gruppen (4a) aufgenommen und eine von der nächsten getrennt werden.
  21. Vorrichtung nach Patentanspruch 20, bei welcher die Aufnahmerolle (19) als ein Mittel arbeitet, durch welches der Abstand zwischen den aufeinanderfolgenden, aus dem Rollkanal (13) austretenden Gruppen (4a) verkürzt wird.
  22. Vorrichtung nach Patentanspruch 21, bei welcher die Aufnahmerolle (19) umlaufende Vertiefungen (20) aufweist, die einen Abstand voneinander haben, der geringer ist als der Abstand, welcher die aufeinanderfolgenden, aus dem Rollkanal (13) austretenden Gruppen (4a) voneinander trennt.
  23. Vorrichtung nach Patentanspruch 22, bei welcher die Aufnahmerolle (19) fest mit der zweiten Umlenkrolle (18) des flexiblen Förderers (12) verbunden ist.
EP04710948A 2003-02-20 2004-02-13 Vorrichtung zum anbringen von filtern an zigaretten Expired - Lifetime EP1596674B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT000079A ITBO20030079A1 (it) 2003-02-20 2003-02-20 Dispositivo per l'applicazione di filtri a sigarette.
ITBO20030079 2003-02-20
PCT/IB2004/000497 WO2004073426A1 (en) 2003-02-20 2004-02-13 A device for applying filters to cigarettes

Publications (2)

Publication Number Publication Date
EP1596674A1 EP1596674A1 (de) 2005-11-23
EP1596674B1 true EP1596674B1 (de) 2006-08-23

Family

ID=32894138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04710948A Expired - Lifetime EP1596674B1 (de) 2003-02-20 2004-02-13 Vorrichtung zum anbringen von filtern an zigaretten

Country Status (8)

Country Link
US (1) US20060169295A1 (de)
EP (1) EP1596674B1 (de)
CN (1) CN1750766A (de)
AT (1) ATE336912T1 (de)
DE (1) DE602004002095T2 (de)
IT (1) ITBO20030079A1 (de)
RU (1) RU2005124654A (de)
WO (1) WO2004073426A1 (de)

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US7836897B2 (en) * 2007-10-05 2010-11-23 R.J. Reynolds Tobacco Company Cigarette having configured lighting end
US8434498B2 (en) 2009-08-11 2013-05-07 R. J. Reynolds Tobacco Company Degradable filter element
US8464726B2 (en) 2009-08-24 2013-06-18 R.J. Reynolds Tobacco Company Segmented smoking article with insulation mat
US8997755B2 (en) 2009-11-11 2015-04-07 R.J. Reynolds Tobacco Company Filter element comprising smoke-altering material
US8760508B2 (en) 2010-01-13 2014-06-24 R.J. Reynolds Tobacco Company Filtered smoking article inspection system, and associated method
US9149072B2 (en) 2010-05-06 2015-10-06 R.J. Reynolds Tobacco Company Segmented smoking article with substrate cavity
US8839799B2 (en) 2010-05-06 2014-09-23 R.J. Reynolds Tobacco Company Segmented smoking article with stitch-bonded substrate
US20110271968A1 (en) 2010-05-07 2011-11-10 Carolyn Rierson Carpenter Filtered Cigarette With Modifiable Sensory Characteristics
WO2012012053A1 (en) 2010-06-30 2012-01-26 R.J. Reynolds Tobacco Company Biodegradable cigarette filter
US20120000480A1 (en) 2010-06-30 2012-01-05 Sebastian Andries D Biodegradable cigarette filter
US20120000481A1 (en) 2010-06-30 2012-01-05 Dennis Potter Degradable filter element for smoking article
US20120017925A1 (en) 2010-06-30 2012-01-26 Sebastian Andries D Degradable cigarette filter
US8950407B2 (en) 2010-06-30 2015-02-10 R.J. Reynolds Tobacco Company Degradable adhesive compositions for smoking articles
US8720450B2 (en) 2010-07-30 2014-05-13 R.J. Reynolds Tobacco Company Filter element comprising multifunctional fibrous smoke-altering material
US9301546B2 (en) 2010-08-19 2016-04-05 R.J. Reynolds Tobacco Company Segmented smoking article with shaped insulator
US20120305015A1 (en) 2011-05-31 2012-12-06 Sebastian Andries D Coated paper filter
ITBO20110419A1 (it) * 2011-07-14 2013-01-15 Gd Spa Dispositivo e metodo di rullatura di sigarette con filtro.
US8973588B2 (en) 2011-07-29 2015-03-10 R.J. Reynolds Tobacco Company Plasticizer composition for degradable polyester filter tow
EP2757912B1 (de) 2011-09-20 2022-08-10 R. J. Reynolds Tobacco Company Segmentierte rauchartikel mit einem substrathohlraum
US20130085052A1 (en) 2011-09-29 2013-04-04 R. J. Reynolds Tobacco Company Apparatus for Inserting Microcapsule Objects into a Filter Element of a Smoking Article, and Associated Method
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US9345268B2 (en) 2012-04-17 2016-05-24 R.J. Reynolds Tobacco Company Method for preparing smoking articles
US9664570B2 (en) 2012-11-13 2017-05-30 R.J. Reynolds Tobacco Company System for analyzing a smoking article filter associated with a smoking article, and associated method
US10709167B2 (en) 2013-08-14 2020-07-14 Philip Morris Products S.A. Method and system for wrapping an assembly of segments
US9788571B2 (en) 2013-09-25 2017-10-17 R.J. Reynolds Tobacco Company Heat generation apparatus for an aerosol-generation system of a smoking article, and associated smoking article
US9844232B2 (en) 2014-03-11 2017-12-19 R.J. Reynolds Tobacco Company Smoking article inspection system and associated method
US10063814B2 (en) 2014-03-12 2018-08-28 R.J. Reynolds Tobacco Company Smoking article package inspection system and associated method
US20160073686A1 (en) 2014-09-12 2016-03-17 R.J. Reynolds Tobacco Company Tobacco-derived filter element
CN104473326A (zh) * 2014-12-05 2015-04-01 红云红河烟草(集团)有限责任公司 烟支和滤嘴接装的滚针搓板和搓接装置
US10154689B2 (en) 2015-06-30 2018-12-18 R.J. Reynolds Tobacco Company Heat generation segment for an aerosol-generation system of a smoking article
US10314334B2 (en) 2015-12-10 2019-06-11 R.J. Reynolds Tobacco Company Smoking article
US11744296B2 (en) 2015-12-10 2023-09-05 R. J. Reynolds Tobacco Company Smoking article
US11717018B2 (en) 2016-02-24 2023-08-08 R.J. Reynolds Tobacco Company Smoking article comprising aerogel
ITUA20161484A1 (it) * 2016-03-10 2017-09-10 Gd Spa Dispositivo e metodo di rullatura di sigarette, sigarette con filtro o filtri.
CN105661633A (zh) * 2016-03-16 2016-06-15 昆明理工大学 一种双滚柱的卷烟接装装置
IT201600107922A1 (it) * 2016-10-26 2018-04-26 Gd Spa Tamburo convogliatore per gruppi comprendenti due spezzoni di sigaretta fra loro coassiali separati da almeno un filtro doppio comprendente almeno un elemento filtrante fragile.
IT201600103302A1 (it) 2017-03-24 2018-09-24 Gd Spa Letto di rullatura

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DE19857576A1 (de) * 1998-12-14 2000-06-15 Hauni Maschinenbau Ag Vorrichtung zum Herumwickeln von Blättchen um stabförmige Gegenstände

Also Published As

Publication number Publication date
DE602004002095D1 (de) 2006-10-05
RU2005124654A (ru) 2006-03-20
DE602004002095T2 (de) 2007-03-29
WO2004073426A1 (en) 2004-09-02
CN1750766A (zh) 2006-03-22
ATE336912T1 (de) 2006-09-15
US20060169295A1 (en) 2006-08-03
ITBO20030079A1 (it) 2004-08-21
EP1596674A1 (de) 2005-11-23

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