WO2011033121A1 - Procédé et dispositif pour introduire des objets dans un matériau de tige d'un produit de tabac - Google Patents

Procédé et dispositif pour introduire des objets dans un matériau de tige d'un produit de tabac Download PDF

Info

Publication number
WO2011033121A1
WO2011033121A1 PCT/EP2010/063872 EP2010063872W WO2011033121A1 WO 2011033121 A1 WO2011033121 A1 WO 2011033121A1 EP 2010063872 W EP2010063872 W EP 2010063872W WO 2011033121 A1 WO2011033121 A1 WO 2011033121A1
Authority
WO
WIPO (PCT)
Prior art keywords
objects
rod
tobacco
rod material
industry product
Prior art date
Application number
PCT/EP2010/063872
Other languages
English (en)
Inventor
Karl Kaljura
Andrew Davis
David Lewis
Edward John
Ivaylo Petkov
Original Assignee
British American Tobacco (Investments) Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British American Tobacco (Investments) Limited filed Critical British American Tobacco (Investments) Limited
Publication of WO2011033121A1 publication Critical patent/WO2011033121A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
    • 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
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1892—Forming the rod with additives, e.g. binding agent, flavorants
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/0216—Applying additives to filter materials the additive being in the form of capsules, beads or the like

Definitions

  • the invention relates to an apparatus and method for introducing objects into tobacco industry product rod material during rod manufacture.
  • additives in smoking articles.
  • additives include various flavourants or colorants as well as carbon which is known to adsorb certain substances from smoke.
  • Prior approaches to including carbon in filter rods have included adhering particulate additive material to a thread which is then inserted into the filter rod material during filter rod manufacture.
  • the density of carbon included in filters manufactured in this way is limited and is unsuitable for filters that require a large quantity of carbon to be provided in a small volume.
  • the present invention provides an apparatus for introducing objects into tobacco industry product rod material during rod manufacture, the apparatus comprising an object storage unit, an entrainment unit configured to receive the objects from the object storage unit and entrain the objects in a continuous pressurised fluid stream, and an output unit to feed the stream into the filter rod or tobacco.
  • the present invention also provides a method of introducing objects into tobacco industry product rod material during rod manufacture, the method comprising storing the objects in an object storage unit, receiving the objects from the object storage unit, entraining the objects in a continuous pressurised fluid stream and feeding the stream into the filter rod or tobacco.
  • FIG. 1 is a three dimensional perspective view of a filter rod making machine and granule insert unit attached thereto;
  • Figure 2 is a cross sectional view of the granule insert unit shown in Figure 1 ;
  • Figure 3 is an exploded cross sectional view of the granule insert unit shown in Figure 2;
  • Figure 4 is a cross sectional plan view showing the operation of the venturi device of Figure 3;
  • Figure 5 is side-on cross sectional view of an alternative embodiment of the present invention.
  • Figure 6 is a cross sectional view of a filter rod manufactured according to the present invention.
  • Figure 7 is a cross sectional view of an alternative filter rod manufactured according to the present invention
  • Figure 8 is a cross sectional view of a smoking article comprising a filter rod manufactured according to the present invention
  • Figure 9 is a side view of a granule insert unit according to an alternative
  • Figure 10 is a three dimensional view of a hopper according to the present invention.
  • objects in the form of granules such as carbon granules into filter rod material and tobacco.
  • activated carbon or synthetic beaded carbon may be employed.
  • other objects that can be used as additives may be employed, such as capsules, filaments or any other additive that may be inserted into filter rod material and tobacco during the manufacture of filter rods and tobacco rods.
  • FIG. 1 shows part of a filter rod making machine 1 comprising a granule insert unit 2.
  • filter rod material 3 in the form of cellulose acetate tow, is drawn through a set of conveying rollers (not shown), and is compressed through a stuffer jet (not shown) and through the tongue 4 of a garniture 5, where it is paper wrapped with a plugwrap 6 and subsequently cut into segments by a cutter (not shown) to form filter rods.
  • a stuffer jet not shown
  • FIG. 1 shows part of a filter rod making machine 1 comprising a granule insert unit 2.
  • Figure 2 shows a cross section of the granule insert unit 2 in engagement with the tongue 4 of the filter rod making machine 1 shown in Figure 1.
  • the granule insert unit 2 comprises a granule feed funnel or hopper 7, a venturi insert device 8 and an insert tube 9.
  • the insert tube 9 may be bent so that it can be aligned longitudinally with the direction in which the filter rod material 3 is conveyed.
  • the position of the insert tube 9 may be adjusted using the insert tube adjustment wheel 9A shown in Figure 1. This allows the stream of granules to be positioned along the longitudinal axis of the filter rod material 3 or alternatively off-centre but parallel to the longitudinal axis.
  • the granule insert unit also comprises air jet inlets lOa-c shown in Figure 1.
  • the feed funnel or hopper 7 is configured to accept granules or other objects for insertion into filter rod material.
  • the hopper 7 is preferably conical in shape to allow granules to be transferred to the hopper 7 manually or alternatively using mechanical or electromechanical delivery means such as a feed conveyor, fluted feed drum or screw feeder (not shown).
  • Figure 3 is an enlarged cross sectional view of the venturi device 8 shown in Figure 2.
  • the venturi device 8 comprises a generally conical block 11 with an axial bore 12 with an inlet 13 that receives a supply of granules 14 from the hopper 7 and an outlet 15 that supplies the granules 14 into the insert tube 9.
  • the conical block 11 is received within a generally cylindrical housing 16 with a conical end spaced from the block 11 to define a converging air passageway 17 which opens into the insert tube 9 in the region of the outlet 15 of the bore 12.
  • the air supply passageway 17 is fed with compressed air from the three air jet inlets lOa-c, one of which 10a is shown in Figure 3.
  • the air jet inlets l Oa-c are coupled to a compressed air or other gas source (not shown) and feed into respective longitudinal bores 18 that connect into the converging air supply passageway 17.
  • the jet inlets l Oa-c are fed with air, other fluids could be employed, for example helium or nitrogen.
  • Granules 14 are received from the hopper 7 and are directed into the axial bore 12. Compressed air from the inlet 10a is directed along the longitudinal bore 18 towards the region 15 where the axial bore 12 and the longitudinal bore 18 converge.
  • FIG. 4 shows a schematic view of the air flow in the venturi device 8 during operation of the granule insert unit 2.
  • air is propelled from two of the jet sources 10a, 10b through the longitudinal bores 18a, 18b and into the insert tube 9, an area of low pressure is created in the region 15 and insert tube 9.
  • the granules 14 initially occupy an area of high pressure relative to this low pressure region 15.
  • a pressure gradient force is created that acts on the granules 14 and propels them into the insert tube 9 with a velocity greater than if they were to be acted upon by the force due to gravity alone.
  • the insert tube 9 feeds into the tongue 4 of the filter rod making machine 1.
  • the position of the insert tube 9 may be adjusted relative to the longitudinal axis of the filter rod under manufacture.
  • the insert tube 9 is bent however in other embodiments the insert tube 9 may be straight.
  • the granules may be centred along the longitudinal axis of the filter rod or substantially parallel to but offset from the longitudinal axis using the insert tube adjustment wheel 9A shown in Figure 1.
  • FIG. 5 shows an alternative embodiment of the present invention.
  • the storage unit 19 comprises a pressurised air source 20 that is operable to inject an air jet 21 into a chamber 22.
  • the direction of the air jet 21 is represented by the arrows in Figure 5.
  • the pressurised air jet 21 urges a stream of the granules 14 into an exit tube 23.
  • the granules 14 that are urged into the exit tube 23 are entrained in the highly pressurised air jet 21 and are directed towards the insert tube 9 of an alternative embodiment of the granule insert unit 2.
  • the insert tube 9 may operate in much the same way as hereinbefore described with reference to Figures 1 -4.
  • Figure 6 is a cross sectional view of a filter rod 24 manufactured using the machine 1.
  • a region 25 comprising carbon granules 14 may extend substantially along the longitudinal axis of the filter rod 26.
  • the diameter of the region 25 may be determined in large part by the diameter of the insert tube 9 of the granule insert unit 2.
  • the region 25 comprising carbon granules 14 may extend parallel to but offset from the longitudinal axis. This flexibility allows the position of the region 25 to be controlled so that effects such as in dalmatian filters may be obtained.
  • the filter rod may then be wrapped in tipping paper or another suitable wrapper and cut into separate filters, in a manner well known in the art for forming filters for smoking articles.
  • the region 25 may be formed from a single continuous stream of granules 14 inserted into the filter rod material 3.
  • a filter rod 27 compatible with such a configuration is shown in Figure 7.
  • the filter rod 27 may then be cut, in a manner well known in the art, along the dashed lines 28a-c to produce individual filter portions.
  • Figure 8 shows a cigarette 29 comprising a filter 30 that has been manufactured according to the above description with reference to Figure 7.
  • the filter 30 may be attached to the tobacco rod 31 in a manner well known in the art such as through the use of tipping paper (not shown).
  • the region 25 of the filter 30 containing carbon granules 14 may be in contact with the tobacco rod 31 of the cigarette 29.
  • the region 26 that does not contain any carbon granules 13 may be located at the end of the filter 30 that comes into contact with a user's mouth during smoking. This configuration may reduce any unpleasant effects the carbon granules 14 might have on the taste and enjoyment of the cigarette 29 during smoking.
  • Smoking articles manufactured according to the foregoing description have the advantage that they can contain large quantities of carbon granules which, when located in smoking article filters, are known to modify constituents of smoke.
  • the invention be employed in filters for slim or superslim cigarettes which have a smaller diameter than conventional kingsize cigarettes, and where it is desirable that it be possible to insert large quantities of carbon granules into a small volume of filtration material.
  • the present invention may be combined with dalmatian or active patch filters that are well known in the art to increase further the amount of carbon in these filters.
  • Figure 9 shows a granule insert unit 2 according to a further embodiment of the present invention.
  • the insert unit 2 shown in Figure 9 is similar to the insert unit 2 shown in Figure 2.
  • the insert unit 2 shown in Figure 9 comprises a high flow vacuum pump 32 instead of the venturi insert device 8 shown in Figure 2.
  • the granule insert unit 2 also comprises a granule feed hopper 7 and an exit tube 9.
  • the hopper 7 shown in Figure 9 is a funnel formed from a frustoconical section 35 and a tubular section 36 which are connected to each other.
  • the flow of granules from the hopper 7 to the vacuum pump 32 may be facilitated passing air through the bottom of the hopper 7 thereby fluidising the granules stored therein.
  • the high flow vacuum pump 32 may be of a type known in the art for material transfer such as KVPDF High Flow Vacuum Pumps. Compressed air enters the vacuum pump 32 through an air inlet 33 and flows cyclonically through a central tube 34 of the pump 32. The cyclonic flow of compressed air produces a vacuum which can draw granules or additives from the hopper 7, through the central tube 34 and into the exit tube 9 to converge with the tongue 4 of the garniture 5 shown in Figure 1. In use, the vacuum pump 32 can transfer granules at a rate of approximately 300 grams per minute (g/min).
  • the insert unit 2 may be used to insert granules or other additives into a stream of tobacco.
  • the insert unit 2 when used to insert granules into a stream of tobacco, may be attached to a tobacco rod manufacturing device of a type that is well known in the art.
  • the insert unit 2 may insert granules into a stream of tobacco as the stream of tobacco is being conveyed towards a garniture along a device known as a suction chamber rail or conveyor that is known in the art.
  • Modifications may be made to the insert unit 2 such as using a plough (not shown) to form a furrow in the stream of tobacco to further facilitate granule insertion.
  • a plough not shown
  • the embodiments described in the foregoing description be compatible with insertion of granules into a stream of tobacco without substantial alterations made thereto.
  • This insertion technique allows granules to be accurately inserted in specific amounts, minimising the amount of granules lost during rod manufacture.
  • Examples of granules which may be inserted into tobacco include, but are not limited to, triacetin, glycerol, menthol, carbon, various types of catalyst, solid flavourants such as cocoa, or endothermic materials that are known to possess low ignition propensity characteristics.
  • Granular potassium chloride or granular sodium chloride may be inserted to influence the burn rate of tobacco rods.
  • Other additives, in granular form, that will be apparent to those skilled in the art may be inserted to modify various other characteristics of smoking articles when used.
  • the hopper 7 comprises a frustoconical section 35 and a tubular section 36.
  • the tubular section 36 is connected to a hopper exit tube 37.
  • the hopper exit tube 37 may be connected to the venturi device 8 hereinbefore described with reference to Figures 1-3 or, alternatively, to the vacuum pump 32 hereinbefore described with reference to Figure 9.
  • granules are placed in the hopper 7 shown in Figure 10 and drop, under gravity, into the hopper exit tube 37. From the hopper exit tube 37 the granules are entrained by the venturi device 8 or the vacuum pump 32 and inserted into the filter rod material or tobacco stream as described in the foregoing description.
  • granules may drop, under gravity, from the hopper 7 into a stream of tobacco that is being conveyed by a tobacco suction chamber rail or conveyor that is known in the art.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

La présente invention concerne un procédé et un dispositif pour introduire des objets dans un matériau de tige (3) pendant la fabrication de tiges d'un produit de tabac. Des objets sont entraînés dans un flux de liquide et sont insérés à l'intérieur du matériau de tige (3) selon des densités élevées.
PCT/EP2010/063872 2009-09-21 2010-09-21 Procédé et dispositif pour introduire des objets dans un matériau de tige d'un produit de tabac WO2011033121A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0916539A GB0916539D0 (en) 2009-09-21 2009-09-21 Method and apparatus for introducing objects into filter rod material
GB0916539.0 2009-09-21

Publications (1)

Publication Number Publication Date
WO2011033121A1 true WO2011033121A1 (fr) 2011-03-24

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PCT/EP2010/063872 WO2011033121A1 (fr) 2009-09-21 2010-09-21 Procédé et dispositif pour introduire des objets dans un matériau de tige d'un produit de tabac

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GB (1) GB0916539D0 (fr)
TW (1) TW201130432A (fr)
WO (1) WO2011033121A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013179009A3 (fr) * 2012-05-30 2014-01-30 British American Tobacco (Investments) Limited Filtre pour un article à fumer
ITBO20120536A1 (it) * 2012-10-01 2014-04-02 Montrade S R L Elemento filtrante additivato per articoli da fumo e metodo per la sua realizzazione
CN103750557A (zh) * 2011-12-31 2014-04-30 贵州中烟工业有限责任公司 滤棒吸阻的调校方法
WO2014083094A1 (fr) * 2012-11-29 2014-06-05 Philip Morris Products S.A. Procédé et appareil pour introduire une quantité dosée de particules dans un écoulement continu de matériau
DE102013202182A1 (de) * 2013-02-11 2014-08-14 Hauni Maschinenbau Ag Vorrichtung zum Herstellen von Filtern mit einem Additiv für Produkte der Tabak verarbeitenden Industrie
EP2837582A1 (fr) * 2013-08-14 2015-02-18 Philip Morris Products S.A. Système et procédé de transfert de matériau
EP3097795B1 (fr) 2015-05-26 2018-09-19 Hauni Maschinenbau GmbH Procede et dispositif de fabrication d'un filtre multi-segment
US11246335B2 (en) 2013-07-12 2022-02-15 British American Tobacco (Investments) Limited Material for inclusion in a smoking article
WO2022074257A1 (fr) * 2020-10-09 2022-04-14 Philip Morris Products S.A. Application d'un additif lors de la mise en forme d'un matériau en feuille dans une tige incorporant un matériau inactif pouvant être chauffé
WO2023118857A3 (fr) * 2021-12-20 2023-08-10 Nicoventures Trading Limited Appareil et procédés de fabrication de tige de matériau de génération d'aérosol ainsi que procédés de fabrication d'un article de système de fourniture d'aérosol
WO2024099717A1 (fr) * 2022-11-08 2024-05-16 Philip Morris Products S.A. Application d'additif dans un dispositif de convergence de segment de génération d'aérosol

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657379B (zh) * 2012-05-14 2014-06-11 上海烟草集团有限责任公司 卷烟滤棒成型方法和设备
CN113925202B (zh) * 2021-11-12 2023-10-31 南通金源新材料有限公司 一种功能管的制备方法及功能管

Citations (6)

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Publication number Priority date Publication date Assignee Title
EP0558447A1 (fr) * 1992-02-27 1993-09-01 Fabriques De Tabac Reunies S.A. Procédé et dispositif d'injection ou d'introduction d'un produit à l'intérieur d'un boudin de tabac
DE19844682A1 (de) * 1998-09-29 2000-04-06 Bat Cigarettenfab Gmbh Vorrichtung zum Aufbringen eines flüssigen Mediums auf Tabak
DE10010176A1 (de) * 2000-03-02 2001-09-13 Reemtsma H F & Ph Vorrichtung zur Herstellung eines mit Additiv behandelten Filterkabels
WO2006059134A1 (fr) * 2004-12-03 2006-06-08 Filtrona International Limited Production de filtre pour fumee de tabac
US20060135335A1 (en) * 2004-12-22 2006-06-22 Philip Morris Usa Inc. Compound filter rod making apparatus and process
WO2010103000A1 (fr) * 2009-03-09 2010-09-16 British American Tobacco (Investments) Limited Appareil destiné à introduire des objets dans un matériau de bâtonnet-filtre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0558447A1 (fr) * 1992-02-27 1993-09-01 Fabriques De Tabac Reunies S.A. Procédé et dispositif d'injection ou d'introduction d'un produit à l'intérieur d'un boudin de tabac
DE19844682A1 (de) * 1998-09-29 2000-04-06 Bat Cigarettenfab Gmbh Vorrichtung zum Aufbringen eines flüssigen Mediums auf Tabak
DE10010176A1 (de) * 2000-03-02 2001-09-13 Reemtsma H F & Ph Vorrichtung zur Herstellung eines mit Additiv behandelten Filterkabels
WO2006059134A1 (fr) * 2004-12-03 2006-06-08 Filtrona International Limited Production de filtre pour fumee de tabac
US20060135335A1 (en) * 2004-12-22 2006-06-22 Philip Morris Usa Inc. Compound filter rod making apparatus and process
WO2010103000A1 (fr) * 2009-03-09 2010-09-16 British American Tobacco (Investments) Limited Appareil destiné à introduire des objets dans un matériau de bâtonnet-filtre

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103750557B (zh) * 2011-12-31 2015-03-25 贵州中烟工业有限责任公司 滤棒吸阻的调校方法
CN103750557A (zh) * 2011-12-31 2014-04-30 贵州中烟工业有限责任公司 滤棒吸阻的调校方法
WO2013179009A3 (fr) * 2012-05-30 2014-01-30 British American Tobacco (Investments) Limited Filtre pour un article à fumer
ITBO20120536A1 (it) * 2012-10-01 2014-04-02 Montrade S R L Elemento filtrante additivato per articoli da fumo e metodo per la sua realizzazione
WO2014083094A1 (fr) * 2012-11-29 2014-06-05 Philip Morris Products S.A. Procédé et appareil pour introduire une quantité dosée de particules dans un écoulement continu de matériau
CN104812257A (zh) * 2012-11-29 2015-07-29 菲利普莫里斯生产公司 用于将计量量的粒子引入到连续材料流中的方法和装置
DE102013202182A1 (de) * 2013-02-11 2014-08-14 Hauni Maschinenbau Ag Vorrichtung zum Herstellen von Filtern mit einem Additiv für Produkte der Tabak verarbeitenden Industrie
US11246335B2 (en) 2013-07-12 2022-02-15 British American Tobacco (Investments) Limited Material for inclusion in a smoking article
EP2837582A1 (fr) * 2013-08-14 2015-02-18 Philip Morris Products S.A. Système et procédé de transfert de matériau
EP3097795B1 (fr) 2015-05-26 2018-09-19 Hauni Maschinenbau GmbH Procede et dispositif de fabrication d'un filtre multi-segment
WO2022074257A1 (fr) * 2020-10-09 2022-04-14 Philip Morris Products S.A. Application d'un additif lors de la mise en forme d'un matériau en feuille dans une tige incorporant un matériau inactif pouvant être chauffé
WO2023118857A3 (fr) * 2021-12-20 2023-08-10 Nicoventures Trading Limited Appareil et procédés de fabrication de tige de matériau de génération d'aérosol ainsi que procédés de fabrication d'un article de système de fourniture d'aérosol
WO2024099717A1 (fr) * 2022-11-08 2024-05-16 Philip Morris Products S.A. Application d'additif dans un dispositif de convergence de segment de génération d'aérosol

Also Published As

Publication number Publication date
TW201130432A (en) 2011-09-16
GB0916539D0 (en) 2009-10-28

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