EP3315032A1 - Fördertrommel für gruppen mit durch mindestens einen doppelfilter mit mindestens einem zerbrechlichen filterelement getrennten zwei koaxialen zigarettensegmenten - Google Patents

Fördertrommel für gruppen mit durch mindestens einen doppelfilter mit mindestens einem zerbrechlichen filterelement getrennten zwei koaxialen zigarettensegmenten Download PDF

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Publication number
EP3315032A1
EP3315032A1 EP17197767.1A EP17197767A EP3315032A1 EP 3315032 A1 EP3315032 A1 EP 3315032A1 EP 17197767 A EP17197767 A EP 17197767A EP 3315032 A1 EP3315032 A1 EP 3315032A1
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EP
European Patent Office
Prior art keywords
conveyor drum
mantle
drum
insert
axis
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.)
Granted
Application number
EP17197767.1A
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English (en)
French (fr)
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EP3315032B1 (de
Inventor
Marco Esposti
Massimo Sartoni
Luca Federici
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GD SpA
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GD SpA
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Priority to PL17197767T priority Critical patent/PL3315032T3/pl
Publication of EP3315032A1 publication Critical patent/EP3315032A1/de
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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
    • A24C5/32—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
    • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces

Definitions

  • This invention relates to a conveyor drum for groups comprising two coaxial cigarette segments separated by at least one double filter comprising at least one fragile filter element.
  • the conveyor drum is generally used in filter tip attachment machines.
  • These filter tip attachment machines comprise a system for feeding groups of the type just mentioned where each double filter is attached to respective cigarette segments by a pregummed plug wrap fed into contact with the double filter itself and then wrapped around the double filter and around one end of each cigarette segment by a rolling process in which each group is turned about its axis at a rolling station.
  • the conveyor drum of this invention is disposed substantially tangent to an infeed roller for feeding the aforesaid groups and substantially tangent to a roller which feeds the plug wraps, so that during a configuration of machine use in which the rollers and the drum are set in synchronized rotation, the infeed roller transfers the groups to the conveyor drum at one point of the drum's rotational path and the plug wrap feed roller applies the plug wraps to the transferred groups at another point of the drum's rotational path.
  • each plug wrap being transferred is pressed lightly against the group so that it adheres properly to the group and does not fall off when the group is subsequently subjected to rolling.
  • the double filter is composed of parts of non-uniform stiffness or whose stiffness is different from that of the cigarette segments - for example, where the double filter comprises an element which is made of a fragile material, that is, a delicate or brittle material such that any pressure applied to it may damage it or cause it to crumble - the problem arises as to how to apply the plug wrap without allowing the application pressure to damage the fragile element.
  • the technical purpose which forms the basis of this invention is to provide a conveyor drum for groups comprising two coaxial cigarette segments separated by at least one double filter comprising at least one fragile filter element to overcome one or more of the abovementioned disadvantages of the prior art.
  • this invention has for an aim to provide a conveyor drum for groups comprising two coaxial cigarette segments separated by at least one double filter comprising at least one fragile filter element to allow a plug wrap to be applied properly to the group without damaging the fragile filter element.
  • drum 1 denotes in its entirety a conveyor drum, hereinafter referred to simply as drum 1, made according to the teachings of this invention.
  • Figure 1 schematically illustrates a part of a filter tip attachment machine M comprising the drum 1, an infeed roller 2 for feeding groups 100, an applicator roller 3 for applying plug wraps 3a and a wrapping roller 4 for wrapping the groups 100 in the respective plug wraps 3a at a rolling station 5.
  • the drum 1, the infeed roller 2, the applicator roller 3 and the wrapping roller 4 have axes of rotation which are parallel to each other.
  • the infeed roller 2 has a plurality of uniformly distributed, peripheral flutes 2a, each adapted to receive and retain a respective group 100 (in known manner not illustrated).
  • the group 100 comprises two cigarette segments 101 which are coaxial and separated by at least one double filter 102.
  • the two cigarette segments 101 are aligned with each other lengthways with the double filter 102 interposed between them.
  • the double filter 102 comprises a fragile filter element 103, made of charcoal for example.
  • the infeed roller 2 is configured to rotate, under the action of drive means not illustrated, clockwise in Figure 1 , in the direction indicated by the arrow F2, and is disposed tangentially to the drum 1, which rotates anticlockwise in Figure 1 , in the direction indicated by the arrow F1, to transfer the groups 100 to the drum 1.
  • the applicator roller 3 is configured to rotate, under the action of drive means not illustrated, clockwise in Figure 1 , in the direction indicated by the arrow F3, and is disposed substantially tangentially to a peripheral point of the drum 1, to feed a series of pregummed plug wraps 3a, obtained in known manner not illustrated, to the groups 100.
  • the applicator roller 3 holds the plug wraps 3a by the ungummed side so that as each plug wrap 3a reaches a respective group 100, that plug wrap 3a is applied in "flag-like manner" to the respective group 100.
  • the expression “flag-like manner” means that the plug wrap 3a adheres to the group 100 only by a reduced portion of it, specifically, as shown in Figure 5 , by its front edge 3a'. The rest of the plug wrap 3a remains raised, thanks to temporary supporting means 6 (as will become clearer as this description continues), thus preventing the plug wrap 3a from sticking to the outside surface of the drum 1.
  • the drum 1 transfers the groups 100, with the plug wraps 3a applied to them, to the wrapping roller 4 which in turn feeds them to the rolling station 5.
  • the rolling station 5 connects the cigarette segments 101 to the double filter 102 by wrapping the plug wrap 3a, for example in known manner not illustrated, around the double filter and around the ends of the cigarette segments 101 adjacent thereto.
  • the drum 1 comprises an annular peripheral mantle 7, made of metal and provided with a plurality of receiving portions 8 spaced at equal angular intervals round the circumference of the mantle 7.
  • Each receiving portion 8 defines a concave suction flute 8a for housing a respective group 100; in other words, each concave suction flute 8a has a substantially arcuate or semi-circular shape.
  • Each flute 8a has a longitudinal direction of extension parallel to the axis of rotation X of the drum 1.
  • each receiving portion 8 has, only in a part of it designed to receive the double filter 102, at least one high-compliance section 9 designed to house the at least one fragile filter element 103 and configured to allow geometric displacement of the fragile filter element 103 in a radial direction during a step of applying a plug wrap 3a on the respective group 100.
  • the entire section of the receiving portion 8 used to receive the double filter 102 has increased compliance properties compared to the rigid parts of the receiving portion 8 used to support the cigarette segments 101.
  • the high-compliance section 9, in which at least the fragile filter element 103 is positioned allows the filter element 103 to be translated radially towards the axis X of the drum 1 without being excessively compressed or damaged and thus enabling the front edge 3a' of the plug wrap 3a to adhere correctly even at the fragile filter element 103.
  • the high-compliance sections 9 adapt to the pressure received from the tangential impact between the drum 1 and the feed roller 3 during the step of applying the plug wraps 3a, thus compensating for the greater rigidity of the fragile filter element 103. This guarantees that the elements of the group 100 will effectively adhere to the plug wrap 3a and the elastic effect offered by the high-compliance section 9 guarantees that the group 100 will not be damaged and, more particularly, that the outer portions of the group 100, on which the front edge of the plug wrap 3a is applied, will be correctly aligned.
  • each high compliance section 9 comprises a respective oscillating or "levered" support 10.
  • the levered support 10 is hinged at one end to a respective peripheral portion 11 of the drum 1 to rotate about a respective axis of oscillation Y parallel to the axis X of the drum 1 and having, at the other end, a respective portion of the concave suction flute 8a.
  • the levered support 10 is hinged to a pin 10a.
  • the levered support 10 is rotatable about the axis of oscillation Y between a raised position, illustrated in Figure 4 , where it disposes the portion of the concave suction flute 8a away from the axis X of the drum 1 and a lowered position, illustrated in Figure 5 , where it disposes the portion of the concave suction flute 8a nearer to the axis X of the drum 1.
  • the fragile filter element 103 is not deformed like the rest of the group 100 but moves towards the axis X of the drum 1 following rotation of the levered support 10 about the respective axis of oscillation Y.
  • the fragile filter element 103 does not undergo any deformation or structural damage under the compressive action applied by the feed roller 3.
  • Each fragile filter element 103 undergoes a geometric displacement such that its top surface, intended to come into contact with the plug wrap 3a, is aligned with the top surface of the rest of the group 100 (composed of cigarette segments 101 and double filter 104), intended to come into contact with the plug wrap 3a and subjected to compression during application.
  • the drum 1 further comprises elastic means 12 acting on the levered support 10 to keep the levered support 10 in the raised configuration.
  • the elastic means 12 are preferably interposed between the peripheral portion 11 and the levered support 10.
  • the elastic means 12 comprise, for each levered support 10, at least one respective helical spring 12a.
  • the elastic means 12 may comprise, for each levered support 10, respective elastic means made of rubber - for example, compliant and resilient rubber pads.
  • the respective peripheral portion 11 of the drum 1 comprises a supporting block 13 removably fixable to the conveyor drum 1 within a corresponding peripheral seat 14 of the mantle 7 extending parallel to the axis X of the drum 1 and included between two consecutive receiving portions 8.
  • the supporting block 13 comprises means 15 for removable connection to the mantle 7 - for example, hex socket head screws 15a or quick disconnect couplings.
  • the supporting block 13 with levered supports 10 thus constitutes a removable supporting element which is installed as a changeover part in respective receiving parts of the outside surface of the mantle 7.
  • the outside surface of the supporting block 13 is provided with the aforementioned temporary supporting means 6, in the form of needles or pins designed to support the trailing section of the plug wrap 3a, still loose.
  • each receiving portion 8 in the sections of it without high compliance is preferably defined by metallic relief portions 7a of the mantle 7, preferably made as one piece with the mantle 7.
  • the relief portions 7a are advantageously spaced from each other, along a direction parallel to the axis X of the drum 1 by a cavity 7b for snugly inserting the high-compliance section 9.
  • the relief portions 7a are circumferentially spaced from each other by the aforementioned peripheral seats 14 of the mantle 7, which are designed to receive the supporting blocks 13.
  • each levered support 10 has at least one through hole 16 used to create a negative air pressure.
  • the through hole 16, at one end of it, leads into the respective section of the concave suction flute 8a and, at the other end of it, is in communication with the negative pressure source, not illustrated, inside the drum 1.
  • the high-compliance section 9 is defined preferably by an insert made of an elastic material, more preferably, made of rubber, which is stably connected to the mantle 7 and externally defining at least a respective section of the concave suction flute 8a.
  • each insert may be shaped to be inserted into the previously defined cavity 7b and to be stably fixed thereto.
  • each receiving portion 8 is defined by a respective insert 17 extending along the full length of the concave suction flute 8a.
  • the insert 17 is applied removably to the mantle 7 and has rigid portions 18, preferably metallic, disposed on opposite sides of the high-compliance section 9, which is made preferably of rubber.
  • each insert 17 has, along a circumferential direction of the mantle 7, a front portion 17a defining the concave suction flute 8a and a rear portion 17b provided with means 6 for temporarily supporting the plug wrap 3a applied to the group 100.
  • each insert 17 has, at least at one of the rigid portions 18, connecting means 15 for removable connection to the mantle 7 - for example, hex socket head screws 15a.
  • the high-compliance section 9 is stably fixed to the rigid portions 18 or co-moulded therewith.
  • the mantle 7 is substantially smooth and, on its surface, it is easy to apply and remove the inserts 17, which thus constitute a versatile and conveniently interchangeable element in the event of replacement.
  • the entire drum 1 need not be replaced and, instead, it is possible to simply replace the inserts 17 with new inserts 17 suitable for the features of the new group 100 to be transferred.
  • the inserts 17 are disposed one after the other in succession along the periphery of the mantle 7, without any separating elements, such as protrusions or the like on the mantle 7, being interposed between them.
  • the mantle 7 (with the inserts 17 removed) may have a substantially uniform outside surface.
  • each receiving portion 8 is preferably defined by a respective insert 19 extending along the full length of the concave suction flute 8a and disposed alternately between two consecutive fixed peripheral portions 21 of the drum 1 defined by metallic relief portions of the mantle 7 extending parallel to the axis X of the drum 1 along the periphery of the mantle 7.
  • the insert 19 is applied removably to the mantle 7 and has rigid portions 20, preferably metallic, disposed on opposite sides of the high-compliance section 9, which is made preferably of rubber.
  • the high-compliance section 9 is stably fixed to the rigid portions 20 or co-moulded therewith.
  • each of the peripheral portions 21 comprises means 6 for temporarily supporting the plug wrap 3a applied to the group 100.
  • each insert 19 defines a block which is removably fixable to the drum 1 within a corresponding peripheral seat 14 of the mantle 7 extending parallel to the axis X of the drum 1 and included between two consecutive receiving portions 21.
  • the insert 19 can be easily replaced to suit the features of the group 100 to be transferred, allowing quick changeovers to adapt the drum 1 to different types of groups.
  • This invention achieves the proposed aims by providing the user with a drum 1 for groups 100 which allows the plug wraps 3a to be applied rapidly and effectively without causing structural damage to the fragile filter elements 103 forming part of the group 100.
  • the invention provides a drum 1 which is capable of improving the efficiency and versatility of filter tip attachment machines M, thus overcoming the disadvantages of the prior art.

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  • Specific Conveyance Elements (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP17197767.1A 2016-10-26 2017-10-23 Fördertrommel für gruppen mit durch mindestens einen doppelfilter mit mindestens einem zerbrechlichen filterelement getrennten zwei koaxialen zigarettensegmenten Active EP3315032B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17197767T PL3315032T3 (pl) 2016-10-26 2017-10-23 Bęben przenośnika dla grup zawierających dwa współosiowe segmenty papierosów oddzielone co najmniej jednym podwójnym filtrem zawierającym co najmniej jeden kruchy element filtra

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102016000107922A IT201600107922A1 (it) 2016-10-26 2016-10-26 Tamburo convogliatore per gruppi comprendenti due spezzoni di sigaretta fra loro coassiali separati da almeno un filtro doppio comprendente almeno un elemento filtrante fragile.

Publications (2)

Publication Number Publication Date
EP3315032A1 true EP3315032A1 (de) 2018-05-02
EP3315032B1 EP3315032B1 (de) 2020-09-30

Family

ID=58162991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17197767.1A Active EP3315032B1 (de) 2016-10-26 2017-10-23 Fördertrommel für gruppen mit durch mindestens einen doppelfilter mit mindestens einem zerbrechlichen filterelement getrennten zwei koaxialen zigarettensegmenten

Country Status (3)

Country Link
EP (1) EP3315032B1 (de)
IT (1) IT201600107922A1 (de)
PL (1) PL3315032T3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228713A (zh) * 2018-03-05 2019-09-13 虹霓机械制造有限公司 烟草加工行业的输送滚筒
WO2021140084A1 (de) * 2020-01-10 2021-07-15 Hauni Maschinenbau Gmbh Fördertrommel der tabak verarbeitenden industrie
IT202000017809A1 (it) * 2020-07-23 2022-01-23 Gd Spa Convogliatore per prodotti dell’industria del tabacco, kit e metodo per il cambio formato di tale convogliatore
US11252990B2 (en) 2016-05-27 2022-02-22 British American Tobacco (Investments) Limited Apparatus and method for manufacturing tobacco industry products
US11540558B2 (en) 2016-05-27 2023-01-03 British American Tobacco (Investments) Limited Apparatus and method for manufacturing tobacco industry products

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667740C (de) * 1936-01-31 1938-11-19 Filter Tips Ltd Verfahren und Vorrichtung zum Vereinigen von Zigaretten mit Mundstueckansaetzen
EP1596674A1 (de) * 2003-02-20 2005-11-23 G.D S.p.A. Gerät zum anbringen von filtern anzigaretten
US20150351450A1 (en) * 2013-01-31 2015-12-10 Philip Morris Products S.A. Apparatus and method for wrapping a sheet of wrapping material around a rod-shaped article

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1020796A (en) 1964-03-03 1966-02-23 Tabak & Ind Masch Improved filter tipped cigarette wrapping apparatus
GB1057060A (en) 1964-12-09 1967-02-01 Desmond Walter Molins Improvements in or relating to apparatus for testing wrapped rods having unwrapped ends
AT332281B (de) 1974-04-19 1976-09-27 Schmermund Maschf Alfred Vorrichtung zum befestigen von mundstucken an zigaretten
US5024242A (en) 1989-04-27 1991-06-18 Philip Morris Incorporated Methods and apparatus for making multiple component smoking articles
WO2013146528A1 (ja) 2012-03-26 2013-10-03 日本たばこ産業株式会社 フィルタ装着装置
DE102013201854A1 (de) 2013-02-05 2014-08-07 Hauni Maschinenbau Ag Förderung von stabförmigen Artikeln der Tabak verarbeitenden Industrie mit druckempfindlichen Objekten
EP3131423A1 (de) 2014-04-14 2017-02-22 Altria Client Services LLC Drehbare trommel und verfahren und system damit zur automatisierten herstellung von e-vapor-vorrichtungen
GB201609415D0 (en) * 2016-05-27 2016-07-13 British American Tobacco Co Drum for a tobacco industry product manufacturing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667740C (de) * 1936-01-31 1938-11-19 Filter Tips Ltd Verfahren und Vorrichtung zum Vereinigen von Zigaretten mit Mundstueckansaetzen
EP1596674A1 (de) * 2003-02-20 2005-11-23 G.D S.p.A. Gerät zum anbringen von filtern anzigaretten
US20150351450A1 (en) * 2013-01-31 2015-12-10 Philip Morris Products S.A. Apparatus and method for wrapping a sheet of wrapping material around a rod-shaped article

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11252990B2 (en) 2016-05-27 2022-02-22 British American Tobacco (Investments) Limited Apparatus and method for manufacturing tobacco industry products
US11540558B2 (en) 2016-05-27 2023-01-03 British American Tobacco (Investments) Limited Apparatus and method for manufacturing tobacco industry products
CN110228713A (zh) * 2018-03-05 2019-09-13 虹霓机械制造有限公司 烟草加工行业的输送滚筒
CN110228713B (zh) * 2018-03-05 2022-08-02 虹霓机械制造有限公司 烟草加工行业的输送滚筒
WO2021140084A1 (de) * 2020-01-10 2021-07-15 Hauni Maschinenbau Gmbh Fördertrommel der tabak verarbeitenden industrie
IT202000017809A1 (it) * 2020-07-23 2022-01-23 Gd Spa Convogliatore per prodotti dell’industria del tabacco, kit e metodo per il cambio formato di tale convogliatore
EP3949762A1 (de) * 2020-07-23 2022-02-09 G.D S.p.A. Ein förderer für produkte der tabakindustrie, kit und verfahren zum ändern des formats dieses förderers

Also Published As

Publication number Publication date
PL3315032T3 (pl) 2020-12-14
EP3315032B1 (de) 2020-09-30
IT201600107922A1 (it) 2018-04-26

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