EP3340816B1 - Rauchartikel - Google Patents

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Publication number
EP3340816B1
EP3340816B1 EP16769857.0A EP16769857A EP3340816B1 EP 3340816 B1 EP3340816 B1 EP 3340816B1 EP 16769857 A EP16769857 A EP 16769857A EP 3340816 B1 EP3340816 B1 EP 3340816B1
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EP
European Patent Office
Prior art keywords
filter
smoking article
wrappers
plug
filtration material
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
EP16769857.0A
Other languages
English (en)
French (fr)
Other versions
EP3340816A1 (de
Inventor
Silvia DELGADO
Noritoshi Fujita
Hiroyoshi Ono
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.)
JT International SA
Original Assignee
JT International SA
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 JT International SA filed Critical JT International SA
Priority to PL16769857T priority Critical patent/PL3340816T3/pl
Publication of EP3340816A1 publication Critical patent/EP3340816A1/de
Application granted granted Critical
Publication of EP3340816B1 publication Critical patent/EP3340816B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • A24D1/004—Cigars; Cigarettes with a filter located between tobacco rods
    • 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
    • A24C5/56—Making tipping materials, e.g. sheet cork for mouthpieces of cigars or cigarettes, by mechanical means
    • A24C5/58—Applying the tipping materials
    • A24C5/586—Applying the tipping materials to a cigarette
    • 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
    • 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
    • A24D1/02—Cigars; Cigarettes with special covers
    • 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

Definitions

  • the present invention relates to a filter for a smoking article, a smoking article comprising said filter and the use of said filter in a smoking article.
  • Smoking articles such as cigarettes usually comprise a rod of tobacco or other aerosol forming material wrapped in a combustible wrapper, usually cigarette paper, and a filter aligned in end-to-end relationship with said tobacco rod.
  • the filter may include at least one plug of cellulose acetate tow attached to the tobacco rod or other aerosol forming material by tipping paper which overlies the filter and an adjacent end of the tobacco rod against which the filter is placed in abutment. Perforations may further be provided in the filter through the tipping paper to allow ventilation of the smoke drawn by consumers through the filter upon smoking.
  • thicker filter wrappers also requires more frequent cleaning of the filter makers due to dust generation during processing which further impacts negatively the manufacturing efficiency and costs.
  • thick filter wrappers show less elasticity than standard thinner filter wrappers what generates lesser rounded filter once the filter wrappers are wrapped around the cellulose acetate plugs of the filter due to the innate rigidity of the wrappers.
  • WO 2015/035137 A1 discloses a smoking article comprising a tobacco rod, a filter comprising at least one plug of filtration material wrapped with one or more filter wrappers and a tipping material attaching the tobacco rod and the filter, wherein the one or more filter wrappers have a basis weight of more than 32 grams per square metre and less than 50 grams per square metre.
  • One object of the present invention is to provide an improved smoking article comprising a filter solving the above needs.
  • a smoking article for example, a cigarette, comprising:
  • the at least one plug of filtration material forming the filter has a plasticizer content of between about 5% and 10%.
  • the plasticizer content may be of between about 7% and 10%, such as of between about 7% and 9%, such as of between about 6% and 8%, for example of about 8%.
  • the one or more filter wrappers have a thickness of between 50 to 60 microns.
  • the hardness of the smoking article measured at any point of the filter when attached to the tobacco rod by tipping material may be less than about 90%.
  • the inventors have found that hardness values of below 90% can be achieved by merely using plug wrappers having a basis weight of more than 32 grams per square metre and less than 50 grams per square metre for the plug(s) of filtration material in the filter without increasing the content of plasticizer used in the filtration material, while offering easy machinability of the plug wrappers during manufacturing of the smoking articles, thereby not increasing the machine costs, and further allowing easy online laser perforation of the filter, what requires extreme care and powerful lasers when plug wrappers having a basis weight of 50 grams per square metre and higher are used.
  • the invention relates to a filter for a smoking article.
  • the filter has at least one plug of filtration material wrapped with one or more filter wrappers, where the one or more filter wrappers have a basis weight of more than 32 grams per square metre and less than 50 grams per square metre.
  • the at least one plug of filtration material forming the filter has a plasticizer content of between about 5% and 10%.
  • the plasticizer content may be of between about 7% and 10%, such as of between about 7% and 9%, such as of between about 6% and 8%, for example of about 8%.
  • the one or more filter wrappers have a thickness of between 50 to 60 microns.
  • the invention relates to the use of the filter according to the second aspect of the invention in a smoking article.
  • the invention relates to a smoking article, for example, a cigarette, comprising:
  • the hardness of the smoking article measured at any point of the filter when attached to the tobacco rod by tipping material may be less than about 90%.
  • the inventors have found that hardness values of below 90% can be achieved by using merely plug wrappers having a basis weight of more than 32 grams per square metre and less than 50 grams per square metre for the plug(s) of filtration material in the filter without increasing the content of plasticizer used in the filtration material, while offering easy machinability of the plug wrappers during manufacturing of the smoking articles, thereby not increasing the machine costs, and further allowing easy online laser perforation of the filter, what requires extreme care and powerful lasers when plug wrappers having a basis weight of 50 grams per square metre and higher are used.
  • the hardness values specified for the smoking articles according to the invention correspond to hardness measurements obtained submitting the smoking articles to the DD60A test, i.e. using a known DD60A Densimeter (manufactured and made commercially available by Heinr. Borgwaldt GmbH, Germany) device.
  • Figure 1 shows a cigarette 100, comprising a filter wrapper 102 and a tipping material 101, before applying a load F and the same cigarette 110 whilst applying load F.
  • the cigarette 100 before the load F has been applied has a diameter D S .
  • the cigarette 110 after applying a set load for a set duration (but with the load still applied) has a (reduced) diameter D F.
  • Hardness % D F D S ⁇ 100 ⁇ % wherein D S is the initial (non-depressed) diameter of the cigarette, and D F is the depressed diameter after applying a set load for a set duration. The harder the material, the closer the hardness is to 100%.
  • smoking articles should be aligned parallel in a plane and the same portion of each smoking article to be tested should be subjected to a set load for a set duration.
  • This test is performed using a known DD60A Densimeter device (manufactured and made commercially available by Heinr. Borgwaldt GmbH, Germany), which is fitted with a measuring head for cigarettes and with a cigarette receptacle.
  • the load is applied using two load applying cylindrical rods, which extend across the diameter of all of the smoking articles at once.
  • the test should be performed such that twenty contact points occur between the smoking articles and the load applying cylindrical rods.
  • the filters to be tested may be long enough such that only ten smoking articles are needed to form twenty contact points, with each smoking article contacting both load applying rods (because they are long enough to extend between the rods).
  • twenty smoking articles should be used to form the twenty contact points, with each smoking article contacting only one of the load applying rods, as further discussed below.
  • Two further stationary cylindrical rods are located underneath the smoking articles, to support the smoking articles and counteract the load applied by each of the load applying cylindrical rods.
  • Such an arrangement is described in more detail below, and shown in Figures 2 to 4 which represent a known prior art arrangement as disclosed e.g. in WO 2015/007400 A1 and WO 2015/007401 A1 .
  • the hardness of the smoking article measured at any point of the filter when attached to the tobacco rod by tipping material is less than about 90% but higher than about 85%; for example, the hardness is in the range of between 86% and 88% .
  • the inventors have interestingly found out through consumer studies and experimentation of various filter structure that consumers could actually feel an increase in filter hardness in their fingers and on their lips only once the hardness value reached 85% and more compared with standard filter cigarettes available, i.e. cigarettes having filters comprising filter wrappers on between about 20 grams per square metre and 30 grams per square metre, which allow to achieve hardness of about 85 % in combination with standard plasticizer contents of about 4 to 6% by weight of filter tow material. Even more interestingly studies carried out by the inventors have shown that consumers did not substantially perceive an increase in filter hardness above 90%, and certainly not perceive filters having a hardness of above 90% as of having an increased quality compared to those having only a hardness of between 85% and 90%. However smoking articles showing a hardness of 90% or more require the use of either thicker filter wrappers of at least 50 grams per square metre or more and/or the use of higher contents of plasticizer in the filter tow material, with the downsides mentioned above.
  • the one or more filter wrappers may comprise any suitable material or combination of materials.
  • suitable materials include, but are not limited to, cellulose based materials, cellulose based film, cardboard, paper, recon, and combinations thereof.
  • the one or more filter wrappers comprise paper.
  • one or more filter wrappers have a basis weight of between about 38 and about 49 grams per square metre, such as of between about 42 and about 48 grams per square metre, for example of about 45 grams per square metre.
  • the one or more filter wrappers have a thickness of between 50 to 60 microns, for example of about 55 microns. Such range of thickness for the filter wrapper(s) of the filter further eases machinability of the smoking article's filter and additionally contributes to provide a proper roundness of the filter in the finished smoking article.
  • the one or more filter wrappers may have low porosity.
  • the one or more filter wrappers have a porosity of less than about 1000 Coresta units, such as less than about 500 Coresta units, or such as less than about 100 Coresta units.
  • the porosity may be as low as 100 Coresta units or lower, or 20 Coresta units or lower.
  • the porosity may be more than about 1 Coresta unit.
  • Such low porosity filter wrappers may help to improve the strength of the filter, and may help to increase the critical load of the smoking article. This can be particularly beneficial when the filter includes perforations extending through the tipping paper and the one or more filter wrappers.
  • the one or more filter wrappers of the filter may be non-porous wrappers.
  • the filtration material may comprise any suitable material or combination of materials.
  • the type of filtration material may be selected to provide the desired hardness.
  • suitable materials include, but are not limited to, cellulose acetate, cellulose, reconstituted cellulose, polylactic acid, polyvinyl alcohol, nylon, polyhydroxybutyrate, thermoplastic material, such as starch, non-woven materials, longitudinally oriented fibres and randomly oriented fibres, paper, crepe, PLA fibres, and combinations thereof. All or part of the filter may include activated carbon or other sorbent material.
  • the filter may include an adhesive or plasticizer or a combination thereof.
  • the filtration material comprises cellulose acetate.
  • the filtration material may have any suitable denier per filament (dpf) and total denier (td).
  • the filtration material may have a denier per filament (dpf) of between 1.5 to 6.0, such as 2.0 to 5.0, such as 3.0 to 5.0, for example of about 3.8.
  • the filter segment may have a total denier of less than about 40,000, such as less than about 38,000, such as less than about 35,000, such as less than about 33,000, for example of about 30,000.
  • the filter may have a tow weight in the range from about 90 mg to about 160 mg, such as in the range from about 100 mg to about 150 mg, such as in the range from about 120 mg to about 140 mg, such as in the range from about 130 mg to about 138 mg, for example of about 136.25 mg.
  • the at least one plug of filtration material forming the filter has a plasticizer content of between about 5% and 10% per weight of filtration material, such as of between about 7% and 10%, for example of about 8%. According to certain embodiments, as plasticizer triacetin is used.
  • the tipping material may comprise any suitable material or combination of materials.
  • suitable materials include, but are not limited to, cellulose based materials, cellulose based film, cardboard, paper, recon, and combinations thereof.
  • the tipping material comprises paper.
  • the filtration material comprises cellulose acetate, having triacetin as plasticizer, the one or more filter wrappers comprise paper, and the tipping material comprises paper.
  • the tipping material may have a basis weight in a range from about 30 g/m 2 to about 44 g/m 2 , such as in a range from about 31 g/m 2 to about 40 g/m 2 , such as in a range from about 31 g/m 2 to about 38 g/m 2 , for example of about 31g/m 2 .
  • the tipping material may include a ventilation zone at a location about the filter.
  • the ventilation zone may comprise perforations through the tipping material.
  • the amount of ventilation including the number, layout, position and size of perforations, may be selected to provide the desired level of ventilation.
  • the perforations may extend through the filter wrapper or wrappers surrounding the plug of filtration material.
  • the filter wrapper or wrappers may be porous.
  • the tipping material may be standard pre-perforated tipping material.
  • the tipping material may be perforated in-line (for example, using a laser) during the manufacturing process according to the desired number, size and position of the perforations. When in-line perforations are made on the tipping material, these may be made simultaneously on the filter wrapper or wrappers.
  • the filter comprises a single plug of filtration material wrapped with a single filter wrapper.
  • the plug of filtration material may extend along the whole length of the filter.
  • the filter comprises at least one first plug of non-wrap acetate filtration material.
  • Non-wrap acetate filter plugs are particularly advantageous as they show an innate hardness and roundness compared to standard cellulose acetate filter plugs, which is conferred by steam hardening the outer surface of the acetate plug during filter making. Thereby use of a thick filter wrapper is not necessary to provide increased filter rigidity.
  • At least one non-wrap acetate filter plug is used it is further advantageous in another embodiment of the invention to provide the filter with at least one second plug of non-wrap acetate filtration material, the first and second plugs of non-wrap acetate filtration material being overwrapped by a single filter wrapper holding both first and second plugs in a spaced relationship to define a cavity there between.
  • Using two non-wrap acetate filtration material plug is particularly advantageous as it allows formation of cavity filters having a single filter wrapper of relatively low basis weight as proposed by the invention while still providing increased rigidity, where usually multi-plug filters require two or more filter wrapper layers.
  • the filter of the smoking article of the invention comprises at least one fluid-releasing member positioned in the cavity, preferably a breakable capsule containing an oil- or water-based liquid.
  • the one or more filter wrappers comprises a waterproof non-porous wrapper.
  • the length of the filter (which is the total length of the filter, including the plug of filtration material, measured in a direction substantially parallel to the longitudinal axis of the smoking article) may have any suitable value. However, it may be convenient for the filter length to be substantially the same as in conventional smoking articles. Therefore, the smoking article may comprise a filter with a length of between about 20 mm to 30 mm.
  • the circumference of the filter (which is the total circumference of the plug of filtration material together with the tipping material and the one or more filter wrappers) may have any suitable value. However, it may be convenient for the diameter to be substantially the same as in conventional smoking articles.
  • the filter may have, at any part thereof, a circumference of between about 20 mm to about 25 mm, i.e. a diameter between about 6.4 mm and about 8.0 mm, where the diameter of the smoking article is the total diameter of the plug of filtration material together with the tipping material and the one or more filter wrappers, measured in a direction substantially perpendicular to the longitudinal axis of the smoking article.
  • the filter may have a pressure drop, or resistance to draw, of between about 20 mmWC and about 140 mmWC, such as of between about 40 mmWC and about 120 mmWC, such as of between about 50 mmWC and about 100 mmWC, for example, of about 70 mmWC.
  • the tobacco rod may comprise any suitable type or types of tobacco material or tobacco substitute, in any suitable form.
  • the tobacco can be a single type of tobacco or a blend of two or more types of tobacco.
  • the tobacco may be in the form of cut filler (cut and conditioned tobacco).
  • the tobacco rod is wrapped in a combustible wrapper, usually cigarette paper.
  • the invention relates to a filter for a smoking article.
  • the filter comprises at least one plug of filtration material wrapped with one or more filter wrappers, where the one or more filter wrappers have a basis weight of more than 32 grams per square metre and less than 50 grams per square metre.
  • the at least one plug of filtration material forming the filter has a plasticizer content of between about 5% and 10%.
  • the plasticizer content may be of between about 7% and 10%, such as of between about 7% and 9%, such as of between about 6% and 8%, for example of about 8%.
  • the inventors have found that hardness values of below 90% can be achieved by using merely plug wrappers having a basis weight of more than 32 grams per square metre and less than 50 grams per square metre for the plug(s) of filtration material in the filter without increasing the content of plasticizer used in the filtration material, while offering easy machinability of the plug wrappers during manufacturing of the smoking articles, thereby not increasing the machine costs, and further allowing easy online laser perforation of the filter, what requires extreme care and powerful lasers when plug wrappers having a basis weight of 50 grams per square metre and higher are used.
  • the hardness of the filter measured at any point of the filter is less than about 90% but higher than about 85%, for example in the range of between 86% and 88%.
  • the one or more filter wrappers may comprise any suitable material or combination of materials as already described with regard to the first aspect of the invention.
  • suitable materials include, but are not limited to, cellulose based materials, cellulose based film, cardboard, paper, recon, and combinations thereof.
  • the one or more filter wrappers comprise paper.
  • one or more filter wrappers have a basis weight of between about 38 and about 49 grams per square metre, such as of between about 42 and about 48 grams per square metre, for example of about 45 grams per square metre.
  • the one or more filter wrappers have a thickness of between 50 to 60 microns, for example of 55 microns. Such range of thickness for the filter wrapper(s) of the filter further eases machinability of the filter and additionally contributes to provide a proper roundness of the filter.
  • the one or more filter wrappers of the filter may be non-porous wrappers.
  • the filtration material may comprise any suitable material or combination of materials as already described with regard to the first aspect of the invention.
  • the type of filtration material may be selected to provide the desired hardness.
  • suitable materials include, but are not limited to, cellulose acetate, cellulose, reconstituted cellulose, polylactic acid, polyvinyl alcohol, nylon, polyhydroxybutyrate, thermoplastic material, such as starch, non-woven materials, longitudinally oriented fibres and randomly oriented fibres, paper, crepe, PLA fibres, and combinations thereof. All or part of the filter may include activated carbon or other sorbent material.
  • the filter may include an adhesive or plasticizer or a combination thereof.
  • the filtration material comprises cellulose acetate.
  • the filtration material may have any suitable denier per filament (dpf) and total denier (td).
  • the filtration material has a denier per filament (dpf) of between 1.5 to 6.0, such as 2.0 to 5.0, such as 3.0 to 5.0, for example of about 3.8.
  • the filter segment may have a total denier of less than about 40,000, such as less than about 38,000, such as less than about 35,000, such as less than about 33,000,for example of about 30,000.
  • the filter may have a tow weight in the range from about 90 mg to about 160 mg, such as in the range from about 100 mg to about 150 mg, such as in the range from about 120 mg to about 140 mg, such as in the range from about 130 mg to about 138 mg, for example of about 136.25 mg.
  • the at least one plug of filtration material forming the filter may have a plasticizer content of between about 7% and 10% per weight of filtration material, more preferably about 8%. According to certain embodiments, as plasticizer triacetin is used.
  • the filtration material comprises cellulose acetate, having triacetin as plasticizer, and the one or more filter wrappers comprise paper.
  • the perforations may extend through the filter wrapper or wrappers surrounding the plug of filtration material.
  • the filter wrapper or wrappers may be porous.
  • the filter comprises a single plug of filtration material wrapped with a single filter wrapper.
  • the plug of filtration material may extend along the whole length of the filter.
  • the filter comprises at least one first plug of non-wrap acetate filtration material.
  • Non-wrap acetate filter plugs are particularly advantageous as they show an innate hardness and roundness compared to standard cellulose acetate filter plugs, which is conferred by steam hardening the outer surface of the acetate plug during filter making. Thereby use of a thick filter wrapper is not necessary to provide increased filter rigidity.
  • At least one non-wrap acetate filter plug is used it is further advantageous in another embodiment of the invention to provide the filter with at least one second plug of non-wrap acetate filtration material, the first and second plugs of non-wrap acetate filtration material being overwrapped by a single filter wrapper holding both first and second plugs in a spaced relationship to define a cavity there between.
  • Using two non-wrap acetate filtration material plug is particularly advantageous as it allows formation of cavity filters having a single filter wrapper of relatively low basis weight as proposed by the invention while still providing increased rigidity, where usually multi-plug filters require two or more filter wrapper layers.
  • the filter of the smoking article of the invention comprises at least one fluid-releasing member positioned in the cavity, preferably a breakable capsule containing an oil- or water-based liquid.
  • the one or more filter wrappers comprises a waterproof non-porous wrapper.
  • the filter may have a pressure drop, or resistance to draw, of between about 20 mmWC and about 140 mmWC, such as of between about 40 mmWC and about 120 mmWC, such as of between about 50 mmWC and about 100 mmWC, for example of about 70 mmWC.
  • the invention relates to the use of the filter according to the second aspect of the invention in a smoking article.
  • the hardness of various types of smoking article was tested using a known DD60A Densimeter (manufactured and made commercially available by Heinr. Borgwaldt GmbH, Germany) device, which was fitted with a measuring head for cigarettes and with a cigarette receptacle, as described above.
  • the samples were tested by following the method which is recommended for the known DD60A Densimeter device (manufactured and made commercially available by Heinr. Borgwaldt GmbH, Germany). That is, a sample of smoking articles were held in parallel alignment, and subjected to an overall load of 2 kg, for a period of 20 seconds, and the diameters of the smoking articles before and after compression were recorded. The depression was used to determine the hardness (%) of each smoking article.
  • the apparatus for testing the hardness of the smoking articles filters is shown in Figures 2 , 3 and 6.
  • Figure 2 is a perspective view of an apparatus 4, such as a DD60A Densimeter device, for determining the hardness of a filter of a smoking article.
  • the apparatus includes two parallel load applying rods 24 positioned over a support plate 30.
  • the support plate 30 includes two parallel, spaced apart walls 12, with each wall 12 having ten equally spaced recesses. The recesses are arranged to prevent the smoking articles 10 from contacting one another during testing.
  • ten identically designed smoking articles 10 are aligned parallel in a plane, and placed on underlying cylindrical rods 14.
  • the smoking articles 10 extend between corresponding recesses in the walls 12 to hold the smoking articles in place.
  • the underlying cylindrical rods 14 extend parallel to the walls 12.
  • Each smoking article 10 contacts the underlying rods 14 at two points, making for twenty total points of contact between the smoking articles to be tested and the underlying rods 14.
  • the smoking articles should be positioned such that the portion of the filter to be tested is in contact with the underlying rods 14. If filter is too short and the portion of the filter to be tested either does not contact both rods or contacts the rods very close to the ends of the portion of the filter to be tested, then it would appreciated that this could be achieved by using twenty cigarettes in a back-to-back configuration, such as that shown in Figure 3 .
  • the concept of the DD60A Test is that the underlying cylindrical rods contact the sample material to be tested at twenty contact points. If the filter is sufficiently long to extend across the underlying rods, then the twenty contact points can be provided with ten samples (as shown in Figure 2 ). If the filter is not sufficiently long, then the twenty contact points can be provided with twenty samples, as shown in Figure 3 .
  • the filter is located on the rod 14 in such a way that at least one of the plugs is centered on the rod 14, and in particular the rod 14 is not located at a position between the two plugs of filtration material. If necessary, the tips of the smoking articles extending away from the cylindrical rods 14 may be supported by an underlying supporting means to prevent pivoting of the smoking articles.
  • the apparatus is shown in Figure 3 in a first configuration, in which the two load applying cylindrical rods 24 are raised above and out of contact from the smoking articles 10.
  • the load applying cylindrical rods 24 are lowered to a second configuration, to come into contact with the smoking articles 10, as shown in Figure 4 .
  • the load applying rods 24 impart an overall load of 2kg across the twenty contact points of the smoking articles 10 for a duration of 20 seconds. After 20 seconds have elapsed (and with the load still being applied to the smoking articles), the depression in the load applying cylindrical rods 24 across the smoking articles is determined, and then used to calculate the hardness.
  • filter cigarettes Five example filter cigarettes have been tested using the above described method and apparatus. All of them have a filter cigarette length of 84mm and comprise a monoacetate filter, having a length of 27mm and a circumference of 24.2mm.
  • the filtration material used is cellulose acetate, having a total denier of 30,000 and a plasticizer content of 8.0 wt%, where triacetin was used as plasticizer.
  • the filtration material was wrapped by a non-porous filter wrapper, and the filter was attached in end-to-end relationship to a 57mm tobacco rod by a non-porous tipping paper, having a basis weight of 31 g/m 2 .
  • Example 1 Example 2 Example 3 Example 4 Example 5 Cigarette length 84mm 84mm 84mm 84mm 84mm 84mm Tobacco rod length 57mm 57mm 57mm 57mm 57mm Filter length 27mm 27mm 27mm 27mm 27mm Filter circumference 24.2mm 24.2mm 24.2mm 24.2mm 24.2mm Denier per filament 3.80 3.0 3.80 3.80 3.80 Total denier 30,000 30,000 30,000 30,000 30,000 Tow weight 136.25mg 131.25mg 126.5mg 136.25mg 135.75mg Pressure drop 70mmWC 80mmWC 60mmWC 60mmWC 60mmWC 60mmWC Plasticizer content 8.0 wt% 8.0 wt% 8.0 wt% 8.0 wt% 8.0 wt% Filter wrapper basis weight 45g/m 2 45g/m 2 45g/m 2 35g/m 2 39g/m 2 Filter wrapper thickness 55 ⁇ m 55 ⁇ m 55 ⁇ m 60 ⁇ m Tipping paper basis weight 31g/m 2 31g

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (14)

  1. Rauchartikel (10), umfassend:
    einen Tabakstrang;
    einen Filter umfassend zumindest einen Stopfen eines Filtrationsmaterials, welcher mit einer oder mehreren Filterumwicklung(en) (102) umwickelt ist; und
    ein Tippingmaterial (101), welches den Tabakstrang und den Filter befestigt;
    wobei die eine oder die mehreren Filterumwicklung(en) (102) ein Flächengewicht von mehr als 32 Gramm pro Quadratmeter und weniger als 50 Gramm pro Quadratmeter aufweist/aufweisen,
    dadurch gekennzeichnet, dass
    der zumindest eine Stopfen eines Filtrationsmaterials, welcher den Filter bildet, einen Gehalt an Weichmacher von zwischen ungefähr 5% und ungefähr 10% aufweist, und
    die eine oder die mehreren Filterumwicklung(en) (102) eine Dicke von zwischen 50 und 60 Mikrometer aufweist/aufweisen.
  2. Rauchartikel (10) gemäß Anspruch 1, wobei die Härte des Rauchartikels (10), welche an irgendeinem Punkt des Filters gemessen wird, wenn dieser mit dem Tabakstrang durch das Tippingmaterial (101) befestigt ist, weniger als ungefähr 90% ist.
  3. Rauchartikel (10) gemäß Anspruch 1 oder Anspruch 2, wobei die Härte des Rauchartikels (10), welche an irgendeinem Punkt des Filters gemessen wird, wenn dieser mit dem Tabakstrang durch das Tippingmaterial (101) befestigt ist, höher als ungefähr 85% ist.
  4. Rauchartikel (10) gemäß einem der vorgehenden Ansprüche, wobei die eine oder die mehreren Filterumwicklung(en) (102) ein Flächengewicht von zwischen ungefähr 42 und 48 Gramm pro Quadratmeter aufweist/aufweisen.
  5. Rauchartikel (10) gemäß einem der vorgehenden Ansprüche, wobei die eine oder die mehreren Filterumwicklung(en) (102) nicht-poröse Filterumwicklungen sind.
  6. Rauchartikel (10) gemäß einem der vorgehenden Ansprüche, wobei der Filter einen einzigen Stopfen von Filtrationsmaterial umwickelt mit einer einzigen Filterumwicklung (102) umfasst.
  7. Rauchartikel (10) gemäß einem der Ansprüche 1 bis 5, wobei der Filter zumindest einen ersten Stopfen eines Nichtumwicklungs-Acetat-Filtrationsmaterials und zumindest eine zweiten Stopfen eines Nichtumwicklungs-Acetat-Filtrationsmaterials umfasst, wobei der erste und der zweite Stopfen des Nichtumwicklungs-Acetat-Filtrationsmaterials durch eine einzige Filterumwicklung (102) überwickelt sind, welche die beiden des ersten und zweiten Stopfens in einer räumlichen Beziehung festhält, dass dadurch ein Hohlraum dazwischen gebildet wird.
  8. Rauchartikel (10) gemäß Anspruch 7, wobei der Filter zumindest ein Fluid freisetzendes Element umfasst, welches in dem Hohlraum positioniert ist.
  9. Rauchartikel (10) gemäß einem der vorgehenden Ansprüche, wobei die eine oder die mehreren Filterumwicklung(en) (102) eine wasserfeste nicht-poröse Umwicklung umfasst/umfassen.
  10. Rauchartikel (10) gemäß einem der vorgehenden Ansprüche, wobei der Filter eine Länge von zwischen ungefähr 20 mm bis 30 mm aufweist.
  11. Rauchartikel (10) gemäß einem der vorgehenden Ansprüche, wobei der Filter an irgendeiner Stelle davon einen Umfang von zwischen ungefähr 20 mm bis ungefähr 25 mm aufweist.
  12. Rauchartikel (10) gemäß Ansprüchen 10 und 11, wobei der Filter ein Tow-Gewicht in einem Bereich von ungefähr 90 mg bis ungefähr 160 mg aufweist.
  13. Filter für einen Rauchartikel (10), der Filter umfassend:
    zumindest einen Stopfen eines Filtrationsmaterials, welcher mit einer oder mehreren Filterumwicklung(en) (102) umwickelt ist;
    wobei die eine oder die mehreren Filterumwicklung(en) (102) ein Flächengewicht von mehr als 32 Gramm pro Quadratmeter und weniger als 50 Gramm pro Quadratmeter aufweist/aufweisen,
    dadurch gekennzeichnet, dass
    zumindest ein Stopfen eines Filtrationsmaterials, welcher den Filter bildet, einen Gehalt an Weichmacher von zwischen ungefähr 5% und 10% aufweist, und
    die eine oder die mehreren Filterumwicklung(en) (102) eine Dicke von zwischen 50 und 60 Mikrometer aufweist/aufweisen.
  14. Verwendung des Filters gemäß Anspruch 13 in einem Rauchartikel (10).
EP16769857.0A 2015-08-28 2016-08-26 Rauchartikel Active EP3340816B1 (de)

Priority Applications (1)

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PL16769857T PL3340816T3 (pl) 2015-08-28 2016-08-26 Wyrób do palenia

Applications Claiming Priority (2)

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EP15182953 2015-08-28
PCT/EP2016/001454 WO2017036588A1 (en) 2015-08-28 2016-08-26 Smoking article

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EP3340816A1 EP3340816A1 (de) 2018-07-04
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JP (2) JP2018527027A (de)
KR (2) KR102236173B1 (de)
CN (1) CN108024570A (de)
BR (1) BR112018004072B1 (de)
EA (1) EA036041B1 (de)
ES (1) ES2796180T3 (de)
MX (1) MX2018002436A (de)
PH (1) PH12018500327A1 (de)
PL (1) PL3340816T3 (de)
UA (1) UA120890C2 (de)
WO (1) WO2017036588A1 (de)

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GB201911872D0 (en) * 2019-08-19 2019-10-02 British American Tobacco Investments Ltd A mouthpiece for an article for use in an aerosol provision system and an article for use in an aerosol provision system
JP2023505457A (ja) * 2019-12-03 2023-02-09 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 新規の濾過材料を有するエアロゾル発生物品フィルター
BR112022010060A2 (pt) * 2019-12-03 2022-09-06 Philip Morris Products Sa Filtro de artigo gerador de aerossol com material de filtração

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Publication number Publication date
BR112018004072B1 (pt) 2022-08-09
EA036041B1 (ru) 2020-09-17
PH12018500327A1 (en) 2018-08-20
KR102236173B1 (ko) 2021-04-06
EA201890552A1 (ru) 2018-07-31
KR20180044371A (ko) 2018-05-02
PL3340816T3 (pl) 2020-09-21
KR102340574B1 (ko) 2021-12-21
JP2021101717A (ja) 2021-07-15
KR20210031767A (ko) 2021-03-22
UA120890C2 (uk) 2020-02-25
EP3340816A1 (de) 2018-07-04
WO2017036588A1 (en) 2017-03-09
JP2018527027A (ja) 2018-09-20
CN108024570A (zh) 2018-05-11
US20180338522A1 (en) 2018-11-29
BR112018004072A2 (de) 2018-10-02
ES2796180T3 (es) 2020-11-26
MX2018002436A (es) 2019-01-31

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