EP2175749B1 - Enveloppe multicomposants pour article à fumer - Google Patents

Enveloppe multicomposants pour article à fumer Download PDF

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Publication number
EP2175749B1
EP2175749B1 EP08827853A EP08827853A EP2175749B1 EP 2175749 B1 EP2175749 B1 EP 2175749B1 EP 08827853 A EP08827853 A EP 08827853A EP 08827853 A EP08827853 A EP 08827853A EP 2175749 B1 EP2175749 B1 EP 2175749B1
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EP
European Patent Office
Prior art keywords
filter
segment
end segment
flavour release
component
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.)
Active
Application number
EP08827853A
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German (de)
English (en)
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EP2175749A2 (fr
Inventor
Clément BESSO
Yves Jordil
Charles Kuersteiner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Original Assignee
Philip Morris Products SA
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Application filed by Philip Morris Products SA filed Critical Philip Morris Products SA
Priority to EP12168428.6A priority Critical patent/EP2494877B2/fr
Priority to PL08827853T priority patent/PL2175749T3/pl
Priority to EP08827853A priority patent/EP2175749B1/fr
Priority to SI200830681T priority patent/SI2175749T1/sl
Publication of EP2175749A2 publication Critical patent/EP2175749A2/fr
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Publication of EP2175749B1 publication Critical patent/EP2175749B1/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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • A24B15/303—Plant extracts other than tobacco
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • 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
    • A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Definitions

  • the present invention relates to a multi-component filter for a smoking article and to a smoking article comprising such a multi-component filter.
  • Filter cigarettes typically comprise a rod of tobacco cut filler surrounded by a paper wrapper and a cylindrical filter aligned in end-to-end relationship with the wrapped tobacco rod and attached thereto by tipping paper. Ventllation In the form of circumferential perforations is commonly provided at a location along the filter, to mix the mainstream smoke produced during combustion of the wrapped tobacco rod with ambient air.
  • the filter In conventional filter cigarettes, the filter usually consists of a plug of cellulose acetate tow wrapped in porous plug wrap.
  • filter cigarettes with multi-component filters that comprise two or more segments of filtration material for the removal of particulate and gaseous components of the mainstream smoke are also known.
  • filters that include flavourants In particular, it has been proposed to include flavourants in the form of plant material, such as leaves, seeds or roots, from one or more aromatic plants.
  • a filter cigarette is proposed with a multi-component filter having a flavour release segment containing a mixture of plant materials, including liquorice plant material, ginger root and shredded peppermint leaf.
  • WO-A-2006/090290 discloses a filter induding tobacco beads within the filter.
  • the tobacco beads optionally include flavourants in addition to tobacco particulates.
  • a multi-component filter for a smoking article that, in use, provides improved flavour enhancement, and in particular improved mint and menthol flavour delivery to mainstream smoke as it is drawn from a rod of smokable material through the filter by a consumer. Furthermore, it would be desirable to provide a multi-component filter for a smoking article comprising a flavour release segment that minimises loss of flavour during storage.
  • a multi-component filter for a smoking article comprising: a mouth end segment; and a flavour release segment upstream of the mouth end segment.
  • the flavour release segment comprises a plug of fibrous filtration material, peppermint leaf distributed through the fibrous filtration material and a filter plasticiser applied to the fibrous filtration material.
  • the amount of filter plasticiser in the flavour release segment is up to 5% by weight of the fibrous filtration material.
  • a smoking article comprising a wrapped rod of smokable material and a multi-component filter according to the present invention attached to the rod of smokable material, preferably by tipping paper.
  • the smoking article is a filter cigarette.
  • upstream and downstream are used to describe the relative positions of segments of the multi-component filter of the invention in relation to the direction of the mainstream smoke drawn from a rod of smokable material through the multi-component filter during use.
  • the flavour release segment is upstream of the mouth end segment, which means that mainstream smoke is drawn first through the flavour release segment and then through the mouth end segment.
  • filter plasticiser refers to any compound suitable for use as a plasticiser in a conventional fibrous cigarette filter plug.
  • the plasticiser is typically a solvent for the fibre material and acts by softening the outer surfaces of the fibres such that they adhere to each other.
  • Glycerol triacetate is commonly used as the filter plasticiser for a cellulose acetate tow.
  • the filter plasticiser used in the present invention is glycerol triacetate.
  • peppermint leaf is used to denote a material consisting of the leaves of a peppermint plant, which have preferably been cut or shredded to provide a particulate material.
  • the peppermint leaf is capable of releasing flavour into mainstream smoke drawn through the multi-component filter.
  • the flavour released from the peppermint leaf is provided by volatile compounds, such as oils, contained therein, which are volatilised during smoking.
  • the mainstream smoke enriched with the volatile oils from the peppermint leaf flows downstream through the mouth end segment of the multi-component filter into the consumer's mouth.
  • the volatile oils Prior to smoking, the volatile oils remain trapped within the peppermint leaf. This advantageously ensures that loss of flavour during storage of multi-component filters and smoking articles according to the present invention is minimised, and so maximises flavour release into the mainstream smoke during smoking.
  • the peppermint leaf in the flavour release segment is shredded, cut or otherwise reduced in size. More preferably, the peppermint leaf has a cut width of between about 0.25 mm and about 3 mm. Most preferably, the peppermint leaf has a cut width of between about 1 mm and about 2 mm.
  • the peppermint leaf is dried to a moisture content of between about 8 % and about 10 %.
  • the oil content of the peppermint leaf is at least about 0.6 % by weight.
  • the inclusion of peppermint leaf in the flavour release segment of multi-component filters according to the present invention advantageously provides an improved way of imparting mint and menthol flavours to the mainstream smoke of a smoking article.
  • Smoking articles according to the present invention advantageously provide enhanced mint and menthol flavours compared to conventional menthol cigarettes.
  • the filter plasticiser is glycerol triacetate. It has surprisingly been found that the inclusion of peppermint leaf and glycerol triacetate in the flavour release segment of multi-component filters and smoking articles according to the present invention advantageously enhances the mint and menthol flavour provided by the release of menthol and other volatile oils from the peppermint leaf. This Is illustrated, for example, by the results shown in Table 1, below.
  • Table 1 shows the quantities of particular flavour compounds released into the mainstream smoke from peppermint leaf in the flavour release segment of filter cigarettes (Samples 1 and 3) according to the Invention having the general construction shown In Figure 1 .
  • the flavour release segment consists of a plug of cellulose acetate tow with peppermint leaf and glycerol triacetate distributed therein.
  • Table 1 also shows the quantities of the flavour compounds released from peppermint leaf In the flavour release segment of filter cigarettes (Samples 2 and 4) not according to the Invention having the same construction as Samples 1 and 3, but in which the flavour release segment does not contain glycerol triacetate.
  • Each of the samples contains 40 mg of peppermint leaf. Not all of the compounds released from the peppermint leaf are measured.
  • Each of the samples is smoked under ISO conditions and the smoke extracts obtained are analysed using a GC-MS single ion monitoring method in order to determine the levels of the volatile compounds in the smoke.
  • a full scan analysis with a scan range from 30 to 400 m/z (anion mass to charge ratio) is performed.
  • the combination of glycerol triacetate and peppermint leaf in the flavour release segment of the filter cigarettes according to the present invention results in increased levels of flavour compound being released from the peppermint leaf into the mainstream smoke during smoking compared to the filter cigarettes not according to the Invention, in which the flavour release segment does not contain glycerol triacetate.
  • acetic acid and glycerine are released in the flavour release segment of the filter as a result of hydrolysis of the glycerol triacetate. Accordingly, the levels of acetic acid released In the filter during smoking are significantly higher than for a smoking article not according to the invention, as illustrated by the results shown in Table 2, below.
  • Table 2 gives the dimensions and properties of a filter cigarette (Sample 5) according to the present invention having the general construction shown in Figure 9.
  • the mouth end segment of the filter cigarette consists of a plug of cellulose acetate tow and the flavour release segment consists of a plug of cellulose acetate tow with peppermint leaf and glycerol triacetate distributed therein.
  • Table 2 also gives the dimensions and properties of a filter cigarette (Sample 6) not according to the present invention having the same construction as Sample 5, but in which the flavour release segment does not contain glycerol triacetate.
  • the overall length of smoking articles according to the present invention is between about 70 mm and about 128 mm, more preferably about 84 mm.
  • the external diameter of multi-component filters and smoking articles according to the present invention is between about 5 mm and 8.5 mm, more preferably about 7.9 mm.
  • the overall length of multi-component filters according to the present invention is between about 18 mm and about 36 mm, more preferably about 27 mm.
  • the length of each individual segment of multi-component filters according to the present invention is between about 5 mm and about 22 mm.
  • the mouth end segment of multi-component filters according to the present invention may, in some embodiments, advantageously prevent peppermint leaf from the flavour release segment reaching the mouth of the consumer during smoking.
  • the mouth end segment comprises filtration material. More preferably, the mouth end segment comprises filtration material that has substantially no particulate phase filtration efficiency or very low particulate phase filtration efficiency.
  • the mouth end segment may, for example, comprise cellulosic material, such as cellulose acetate tow, or other suitable fibrous filtration material of low filtration efficiency.
  • the length of the mouth end segment is preferably between about 3 mm and about 12 mm, more preferably between about 6 mm and about 8 mm.
  • Multi-component filters according to the present invention may further comprise a rod end segment upstream of the flavour release segment.
  • the rod end segment comprises fibrous filtration material.
  • the rod end segment may, for example, comprise cellulosic material, such as cellulose acetate tow, or other suitable fibrous filtration materials such as paper.
  • cellulosic material such as cellulose acetate tow
  • fibrous filtration materials such as paper.
  • the rod end segment may comprise at least one sorbent capable of removing at least one gas phase constituent from mainstream smoke drawn through the filter.
  • the at least one sorbent is selected from the group consisting of activated carbon, active aluminium, zeolites, sepiolites, molecular sieves and silica gel.
  • the rod end segment may include one or more flavourants, preferably one or more liquid flavourants, to further enhance flavour delivery to the consumer during smoking.
  • the rod end segment may comprise a plug of filtration material including one or more threads impregnated with liquid flavourant.
  • the one or more threads may be made from cellulose acetate yarn, rayon, cotton, or any other hydrophilic textile or non-textile material capable of absorbing or adsorbing the liquid flavourant.
  • the threads may be coloured, for example, to indicate the type of flavourant impregnated therein. If more than one thread is provided, the threads may be the same or different colours and may be impregnated with the same or different liquid flavourants.
  • the threads are between about 0.6 mm and about 2.0 mm in diameter, more preferably about 0.8 mm in diameter.
  • Filter plugs comprising flavourant bearing threads suitable for use in rod end segments of multi-component filters according to the present invention, and methods and apparatuses for producing such plugs, are described in US Patents Nos- 4,281,671 and 7,074,170 and are available from the American Filtrona Company, Richmond, Virginia, USA.
  • the rod end segment may Include a plurality of beads impregnated with liquid flavourant.
  • the beads may be formed from, for example, a cellulosic material bonded with a polyvinyl acetate binder, or from tobacco powder bonded with microcrystalline cellulose.
  • Beads suitable for use In rod end segments of multi-component filters according to the present invention are manufactured and sold under the brand Viscopearls® by Rengo Co. Ltd., Japan. Methods and apparatuses for producing such beads are also described in Japanese Patent Application No. 10182842 .
  • the beads may be of the same or different diameters and colours.
  • the colour of the beads may, for example, indicate the type of flavourant with which they are impregnated.
  • the beads are between about 0.2 mm and about 2 mm in diameter.
  • Liquid flavourants for use in the rod end segments of multi-component filters according to the present invention may include one or more flavour ingredients to create a certain flavour type and may be natural extracts, synthetic flavours, or a combination thereof.
  • Liquid flavourants and flavour types that may be included in the rod end segment of multi-component filters according to the present invention include, but are not limited to, menthol, peppermint, spearmint, coffee, tea, spices (such as cinnamon, clove and ginger), cocoa, vanilla and fruit flavourants.
  • the multi-component filter comprises a liquid menthol flavourant.
  • the provision of a menthol flavourant in the rod end segment advantageously enhances the flavour released into mainstream smoke drawn through the filter during smoking and compliments the menthol and mint flavours released downstream into the mainstream smoke by the peppermint leaf In the flavour release segment.
  • the mouth end segment may comprise at least one flavourant, such as those previously described above for the rod end segment.
  • a flavourant such as those previously described above for the rod end segment.
  • the mouth end segment includes one or more threads impregnated with liquid flavourant.
  • Multi-component filters according to the present Invention may include mouth end segments comprising at least one flavourant or rod end segments comprising at least one flavourant or mouth end segments comprising at least one flavourant and rod end segments comprising at least one flavourent.
  • the mouth end segment and the rod end segment comprise at least one flavourant
  • the at least one flavourant in the mouth end segment may be the same as or different to the at least one flavourant in the rod end segment.
  • flavour is released into the mainstream smoke from the peppermint leaf in the flavour release segment.
  • flavour is also released upstream of the flavour release segment as previously described above.
  • flavour is also released downstream of the flavour release segment.
  • Multi-component filters according to the present invention may, therefore, provide dual or triple flavour enhancement to mainstream smoke drawn through the filter during smoking,
  • Multi-component filters according to the present invention may be produced by forming separate continuous rods comprising multiple units of each individual segment of the multi-component filter and then combining these separate rods in a known manner in one or more stages to form a continuous filter rod comprising multiple units of the multi-component filter.
  • the continuous filter rod may then be subsequently severed at regular intervals by a cutting mechanism to yield a succession of discrete multi-component filters according to the invention.
  • smoking articles according to the present invention comprise a wrapped rod of tobacco cut filler.
  • smoking articles according to the present invention have a total nicotine free dry particulate matter (NFDPM) or "tar" delivery of up to about 10 mg. More preferably, the "tar delivery” is between 1 mg and 10 mg and more preferably about 6 mg.
  • NFDPM nicotine free dry particulate matter
  • Smoking articles according to the present invention may be packaged in containers, for example in soft packs or hinge-lid packs, with an inner liner coated with one or more flavourants.
  • the peppermint leaf in the flavour release segment is distributed through a plug of fibrous filtration material, preferably a cellulose acetate tow.
  • the filter plasticiser Is applied to the fibrous filtration material in a conventional manner, by spraying it onto the separated fibres, preferably before applying the peppermint leaf to the filtration material.
  • the peppermint leaf is substantially evenly distributed along the length the plug of fibrous filtration material.
  • the loading of peppermint leaf in the flavour release segment is preferably between about 1 mg and about 4 mg per mm of the flavour release segment for a multi-component filter having a diameter of between about 7.5 mm and about 7.8 mm.
  • the amount of filter plasticiser may be between 1% and 9% by weight of the plug of fibrous filter material, preferably 5% or less by weight of the plug of fibrous filter material. If glycerol triacetate is used as the filter plasticiser, the amount of glycerol triacetate is preferably about 5% by weight of the cellulose acetate tow or other fibrous filtration material. This level of glycerol triacetate has been found to provide an acceptable rigidity of the plug of fibrous filtration material of the flavour release segment without obstructing the release of flavour from the peppermint leaf. It is notably lower than the amount of glycerol triacetate in conventional cellulose acetate tow filter plugs, which is typically about 7% by weight.
  • the flavour segment is preferably between about 5 mm and about 22 mm in length, more preferably between about and 10 mm about 15 mm in length, most preferably about 12 mm in length.
  • the mouth end segment may comprise a hollow tube or recess.
  • the hollow tube or recess may be formed when the multi-component filter is attached to a rod of smokable material by, for example, tipping paper to form a smoking article according to the present invention.
  • the downstream end of the flavour release segment is visible at the mouth end of the multi-component filter through the hollow tube or recess, allowing the consumer to see the peppermint leaf distributed in the plug of fibrous filtration material.
  • the length of the mouth end segment is preferably between about 3 mm and about 4 mm.
  • Multi-component filters according to the present invention may further comprise a second flavour release segment between the mouth end segment and the flavour release segment previously described.
  • the inclusion of a second flavour release segment further enhances flavour delivery to the consumer during smoking.
  • the second flavour release segment comprises tobacco leaf.
  • the tobacco leaf may be shredded, cut, or otherwise reduced in size.
  • the tobacco leaf is finely cut and more preferably, the tobacco leaf has a cut width of about 0.4 mm.
  • the tobacco leaf in the second flavour release segment is dried.
  • the moisture content of the tobacco leaf is about 15% or less by weight.
  • the length of the second flavour release segment is between about 6 mm and about 12 mm, more preferably between about 6 mm and about 10 mm.
  • the second flavour release segment may include tobacco leaf to which casing comprising, for example, sugars or humectants has been applied.
  • the filter cigarettes shown in Figures 1 to 8 have several components in common and these components have been given the same reference numerals. In each of the side views, portions have been broken away to illustrate interior details of the multi-component filter.
  • Each filter cigarette generally comprises an elongate, cylindrical wrapped tobacco rod 2 attached at one end to an axially aligned, elongate, cylindrical, multi-component filter 4.
  • the wrapped tobacco rod 2 and the multi-component filter 4 are joined in a conventional manner by tipping paper 6, which circumscribes the entire length of the multi-component filter and an adjacent portion of the wrapped tobacco rod 2.
  • tipping paper 6 which circumscribes the entire length of the multi-component filter and an adjacent portion of the wrapped tobacco rod 2.
  • a plurality of annular perforations 8 are provided through the tipping paper 6 at a location along the multi-component filter 4.
  • the multi-component filter 4 of the filter cigarette 10 includes two segments in abutting end-to-end relationship: a mouth end segment 12, distant from the wrapped tobacco rod 2; and a flavour release segment 14, located upstream of the mouth end segment 12 and adjacent to and abutting the wrapped tobacco rod 2.
  • the mouth end segment 12 comprises a plug of cellulose acetate tow of low filtration efficiency plasticised with glycerol triacetate.
  • the flavour release segment 14 comprises a plug of cellulose acetate tow with dried peppermint leaf having a cut width of between 1 mm and 2 mm substantially evenly distributed through it.
  • the plug of cellulose acetate tow includes 5 % by weight of glycerol triacetate plasticiser.
  • the mouth end segment 12 of the multi-component filter 4 shown in Figure 1 is replaced by a recess, which has substantially no filtration efficiency, formed by the tipping paper 6.
  • the multi-component filter 4 of the filter cigarette 20 shown in Figure 2 is of similar construction to the multi-component filter 4 of the filter cigarette 10 shown in Figure 1 and described above.
  • the mouth end segment 12 of the filter cigarette 20 shown in Figure 2 further comprises a central cotton thread 22 loaded with menthol that extends axially through the plug of cellulose acetate tow, parallel to the longitudinal axis of the filter cigarette 20.
  • the filter cigarette 30 shown in Figure 3 has a multi-component filter 4 that includes three segments in abutting end-to-end relationship: a mouth end segment 12, distant from the tobacco rod 2; a flavour release segment 14 located upstream of the mouth end segment; and a rod end segment 32, located upstream of the flavour release segment 14 and adjacent to and abutting the wrapped tobacco rod 2.
  • the mouth end segment 12 and the flavour release segment 14 are of the same construction as those previously described for the filter cigarette 10 shown in Figure 1 .
  • the rod end segment 32 comprises a plug of cellulose acetate tow of medium to high filtration efficiency which, in use, partially filters out particulate phase components of the mainstream smoke.
  • the multi-component filter 4 of the filter cigarette 40 shown in Figure 4 is of similar construction to the multi-component filter 4 of the filter cigarette 30 shown in Figure 3 and described above.
  • the mouth end segment 12 of the filter cigarette 40 shown in Figure 4 further comprises a central cotton thread 22 loaded with menthol that extends axially through the plug of cellulose acetate tow, parallel to the longitudinal axis of the filter cigarette 40.
  • the multi-component filter 4 of the filter cigarette 50 shown in Figure 5 is also of similar construction to the multi-component filter 4 of the filter cigarette 30 shown in Figure 3 and described above.
  • the rod end segment 32 of the multi-component filter 4 of the filter cigarette 50 shown in Figure 5 comprises a central cotton thread 52 loaded with menthol that extends axially through the plug of cellulose acetate tow, parallel to the longitudinal axis of the filter cigarette 50.
  • the multi-component filter 4 of the filter cigarette 60 shown in Figure 6 is once again of similar construction to the multi-component filter 4 of the filter cigarette 30 shown in Figure 3 and described above.
  • both the rod end segment 32 and the mouth end segment 12 of the multi-component filter 4 of the filter cigarette 60 shown in Figure 6 comprise a central cotton thread 22, 52 loaded with menthol that extends axially through the plug of cellulose acetate tow, parallel to the longitudinal axis of the filter cigarette 60.
  • the rod end segments 32 of the multi-component filters of the filter cigarettes. 40, 50, 60 shown in Figures 4, 5 and 6 may further comprise at least one sorbent capable of removing gas phase constituents from mainstream smoke drawn through the filters 4.
  • the at least one sorbent is, for example, activated carbon, activated aluminium, zeolites or sepiolites provided on the cellulose acetate tow.
  • the multi-component filter 4 of the filter cigarette 70 shown in Figure 7 Is of similar construction to the multi-component filter 4 of the filter cigarette 50 shown in Figure 5 and described above.
  • the rod end segment 32 of the multi-component filter 4 of the filter cigarette 70 shown in Figure 7 comprises a plurality of Viscopearls® loaded with menthol, in place of the central cotton thread 52.
  • the mouth end segments 12 of the multi-component filters 4 of the filter cigarettes 30, 40, 50, 60, 70 shown in Figures 3 to 7 is replaced by a recess, which has substantially no filtration efficiency, formed by the tipping paper 6.
  • the filter cigarette 90 shown in Figure 8 has a multi-component filter 4 that includes four segments in abutting end-to-end relationship: a mouth end segment 12, distant from the tobacco rod 2; a first flavour release segment 92 located upstream of the mouth end segment, a second flavour release segment 14 located upstream of the first flavour release segment and a rod end segment 32, located upstream of the second flavour release segment 14 and adjacent to and abutting the wrapped tobacco rod 2.
  • the mouth end segment 12, the second flavour release segment 14 and the rod end segment 32 are of the same construction as the mouth end segment, the flavour release segment and the rod end segment previously described for the filter cigarettes 30, 40, 50, 60, 70 shown in Figures 3 to 7 .
  • the second flavour release segment 92 comprises a plug of densely packed fine cut tobacco.
  • the multi-component filters 4 are produced and then joined to the wrapped tobacco rods 2, which are produced in a conventional manner, by the tipping paper 6 using known filter cigarette making equipment
  • each multi-component filter 4 separate continuous rods comprising multiple units of each segment 12, 14, 32, 92 of the multi-component filter 4 are produced in a known manner and then combined to form a continuous filter rod comprising multiple units of the multi-component filter 4.
  • the continuous filter rod is then severed at regular intervals by a cutting mechanism to yield a succession of discrete multi-component filters.

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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

L'invention concerne un filtre multi-composant (4) conçu pour un article à fumer. Ce filtre comprend une partie d'extrémité située côté bouche (12) et une partie de libération d'arôme (14) située en amont de la partie d'extrémité située côté bouche (12). La partie de libération d'arôme (14) comprend des feuilles végétales et un agent de plasticité formant filtre. Le filtre multi-composant (4) comprend de préférence une partie d'extrémité (32) située du côté de la barre de tabac qui comprend une matière filtrante, laquelle partie (32) étant située en amont de la partie de libération d'arôme (14). De préférence, la partie d'extrémité située côté bouche (12) et/ou la partie d'extrémité (32) située du côté de la barre de tabac comprend/comprennent au moins un agent aromatique liquide. La partie d'extrémité (32) située du côté de la barre de tabac peut comprendre une matière absorbante.

Claims (10)

  1. Filtre multicomposants (4) pour un article à fumer, comprenant :
    un segment d'embout (12); et
    un segment de dégagement d'arôme (14) en amont du segment d'embout (12), où le segment de dégagement d'arôme (14) comprend un tampon de matière de filtration fibreuse, de la feuille de menthe poivrée répartie à travers la matière de filtration fibreuse et un plastifiant filtrant appliqué à la matière de filtration fibreuse, où la quantité de plastifiant filtrant dans le segment de dégagement d'arôme fait jusqu'à 5% en poids de la matière de filtration fibreuse.
  2. Filtre multicomposants (4) selon la revendication 1, dans lequel le plastifiant filtrant est du triacétate de glycérol.
  3. Filtre multicomposants (4) selon la revendication 2, dans lequel la quantité de triacétate de glycérol fait d'entre 0,5% et 1,5% en poids de la feuille de menthe poivrée.
  4. Filtre multicomposants (4) selon la revendication 1, 2 ou 3, dans lequel le segment de dégagement d'arôme (14) comprend un tampon en étoupe d'acétate de cellulose avec de la feuille de menthe poivrée répartie dedans.
  5. Filtre multicomposants (4) selon l'une quelconque des revendications précédentes, comprenant en outre un segment d'extrémité de boudin (32) en amont du segment de dégagement d'arôme (14).
  6. Filtre multicomposants selon l'une quelconque des revendications précédentes, comprenant en outre un deuxième segment de dégagement d'arôme entre le segment d'embout et le segment de dégagement d'arôme.
  7. Filtre multicomposants (4) selon l'une quelconque des revendications précédentes, dans lequel le segment d'embout (12) comprend de la matière de filtration.
  8. Filtre multicomposants (4) selon l'une quelconque des revendications précédentes, dans lequel le segment d'embout (12) comprend au moins un aromatisant liquide.
  9. Article à fumer (10)(20)(30)(40)(50)(60)(70)(80), comprenant :
    un boudin enveloppé de matière fumable (2); et
    un filtre multicomposants (4) selon l'une quelconque des revendications précédentes attaché au boudin de matière fumable (2) par du papier manchette (6).
  10. Article à fumer (10)(20)(30)(40)(50)(60)(70)(80) selon la revendication 9, dans lequel le segment d'embout (12) du filtre multicomposants (4) est un tube creux ou un évidement.
EP08827853A 2007-08-17 2008-08-14 Enveloppe multicomposants pour article à fumer Active EP2175749B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12168428.6A EP2494877B2 (fr) 2007-08-17 2008-08-14 Filtre multicomposants pour article à fumer
PL08827853T PL2175749T3 (pl) 2007-08-17 2008-08-14 Wieloelementowy filtr przeznaczony dla wyrobu do palenia
EP08827853A EP2175749B1 (fr) 2007-08-17 2008-08-14 Enveloppe multicomposants pour article à fumer
SI200830681T SI2175749T1 (sl) 2007-08-17 2008-08-14 Večkomponentni filter za kadilski proizvod

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07253246A EP2025251A1 (fr) 2007-08-17 2007-08-17 Enveloppe multicomposants pour article à fumer
PCT/IB2008/002887 WO2009024866A2 (fr) 2007-08-17 2008-08-14 Filtre multi-composant conçu pour un article à fumer
EP08827853A EP2175749B1 (fr) 2007-08-17 2008-08-14 Enveloppe multicomposants pour article à fumer

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP12168428.6A Division EP2494877B2 (fr) 2007-08-17 2008-08-14 Filtre multicomposants pour article à fumer
EP12168428.6 Division-Into 2012-05-17

Publications (2)

Publication Number Publication Date
EP2175749A2 EP2175749A2 (fr) 2010-04-21
EP2175749B1 true EP2175749B1 (fr) 2012-06-27

Family

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Application Number Title Priority Date Filing Date
EP07253246A Ceased EP2025251A1 (fr) 2007-08-17 2007-08-17 Enveloppe multicomposants pour article à fumer
EP08827853A Active EP2175749B1 (fr) 2007-08-17 2008-08-14 Enveloppe multicomposants pour article à fumer
EP12168428.6A Active EP2494877B2 (fr) 2007-08-17 2008-08-14 Filtre multicomposants pour article à fumer

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EP07253246A Ceased EP2025251A1 (fr) 2007-08-17 2007-08-17 Enveloppe multicomposants pour article à fumer

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12168428.6A Active EP2494877B2 (fr) 2007-08-17 2008-08-14 Filtre multicomposants pour article à fumer

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US (1) US20090044817A1 (fr)
EP (3) EP2025251A1 (fr)
JP (2) JP5356386B2 (fr)
KR (1) KR101514095B1 (fr)
CN (2) CN101790329A (fr)
AR (1) AR067942A1 (fr)
AU (1) AU2008290277B2 (fr)
BR (1) BRPI0813791B1 (fr)
CO (1) CO6251217A2 (fr)
DK (1) DK2175749T3 (fr)
EA (2) EA024076B1 (fr)
ES (2) ES2504098T5 (fr)
HK (2) HK1138158A1 (fr)
MX (1) MX2009013969A (fr)
MY (1) MY165545A (fr)
NZ (1) NZ582088A (fr)
PL (1) PL2175749T3 (fr)
PT (1) PT2175749E (fr)
RS (1) RS52406B (fr)
SG (1) SG183002A1 (fr)
SI (1) SI2175749T1 (fr)
TW (1) TWI446877B (fr)
UA (1) UA98664C2 (fr)
WO (1) WO2009024866A2 (fr)

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Publication number Publication date
KR20100045410A (ko) 2010-05-03
EA016920B1 (ru) 2012-08-30
ES2386187T3 (es) 2012-08-13
EP2494877B1 (fr) 2014-07-02
EP2494877A3 (fr) 2013-07-03
AR067942A1 (es) 2009-10-28
ES2504098T3 (es) 2014-10-08
BRPI0813791B1 (pt) 2018-09-18
KR101514095B1 (ko) 2015-04-21
PT2175749E (pt) 2012-07-30
HK1138158A1 (en) 2010-08-20
JP2013255514A (ja) 2013-12-26
BRPI0813791A2 (pt) 2014-12-30
MY165545A (en) 2018-04-03
AU2008290277B2 (en) 2012-11-08
EP2494877B2 (fr) 2018-03-21
CN101790329A (zh) 2010-07-28
CO6251217A2 (es) 2011-02-21
TWI446877B (zh) 2014-08-01
EP2175749A2 (fr) 2010-04-21
PL2175749T3 (pl) 2012-11-30
ES2504098T5 (es) 2018-06-07
EP2494877A2 (fr) 2012-09-05
AU2008290277A1 (en) 2009-02-26
NZ582088A (en) 2011-10-28
UA98664C2 (ru) 2012-06-11
US20090044817A1 (en) 2009-02-19
TW200913909A (en) 2009-04-01
JP5356386B2 (ja) 2013-12-04
JP5674885B2 (ja) 2015-02-25
EP2025251A1 (fr) 2009-02-18
HK1176244A1 (en) 2013-07-26
DK2175749T3 (da) 2012-08-27
JP2010536336A (ja) 2010-12-02
MX2009013969A (es) 2010-03-09
WO2009024866A2 (fr) 2009-02-26
WO2009024866A3 (fr) 2009-05-28
EA024076B1 (ru) 2016-08-31
EA201070284A1 (ru) 2010-06-30
SG183002A1 (en) 2012-08-30
SI2175749T1 (sl) 2012-08-31
CN105495685A (zh) 2016-04-20
EA201200576A1 (ru) 2012-12-28
RS52406B (en) 2013-02-28

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