WO2013042609A1 - Cigarette - Google Patents

Cigarette Download PDF

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Publication number
WO2013042609A1
WO2013042609A1 PCT/JP2012/073473 JP2012073473W WO2013042609A1 WO 2013042609 A1 WO2013042609 A1 WO 2013042609A1 JP 2012073473 W JP2012073473 W JP 2012073473W WO 2013042609 A1 WO2013042609 A1 WO 2013042609A1
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WO
WIPO (PCT)
Prior art keywords
filter
cigarette
paper
amount
air
Prior art date
Application number
PCT/JP2012/073473
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English (en)
Japanese (ja)
Inventor
古賀　和弘
敏隆 梅津
Original Assignee
日本たばこ産業株式会社
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 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Publication of WO2013042609A1 publication Critical patent/WO2013042609A1/fr

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    • 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
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

Definitions

  • the present invention relates to a cigarette of a narrow winding size.
  • a cigarette having a diameter of 5.4 mm called “super slim” is commercially available as a thin-rolled cigarette.
  • a cigarette called “micro slim” which is thinner than this is also known.
  • Such a thin-rolled cigarette has a particular problem due to its thinness. That is, a cigarette having a thin winding size tends to increase the ventilation resistance of the cigarette due to its thinness.
  • the cigarette ventilation resistance correlates with the smoker's ease of sucking, and cigarettes with too high ventilation resistance are difficult to absorb, and it is generally said that the cigarette ventilation resistance is desirably 80 to 150 mmH 2 O.
  • the ventilation resistance of the filter can be lowered by changing the production conditions of the filter production machine to reduce the amount of acetate tow filled in the filter rod.
  • There is a limit to reducing the amount of tow filling In particular, in a thin cigarette having a diameter of 6.0 mm or less, it is difficult to suppress the increase in ventilation resistance due to the thinness only by reducing the filling amount of acetate tow.
  • the air inflow amount (Qf) from the through hole of the chip paper is increased to reduce the air inflow amount (Qt) from the tip of the cigarette.
  • the amount of air supplied to the chopped combustion is reduced and the amount of tar produced by the combustion is reduced.
  • Patent Document 1 discloses a cigarette having a tar amount of 1 mg or less and a thin roll size (diameter 5 to 7 mm) provided with a dual segment filter.
  • the present inventors analyzed several marketed products with a narrow winding size, but could not confirm cigarettes whose cigarette ventilation resistance was 150 mmH 2 O or less and whose tar value in mainstream smoke was 8 mg or more. .
  • the activated carbon particles dispersed in acetate tow act as a factor that increases the ventilation resistance of the filter according to the amount added, so the filter ventilation resistance compared to a filter consisting only of acetate tow Rises.
  • an adsorbent other than activated carbon or a fragrance capsule is added to the filter, the ventilation resistance of the filter increases.
  • ISO standard smoking conditions ISO3308, ISO3402
  • a multi-segment filter when adopted for a cigarette, the filter ventilation resistance increases in comparison with a plain filter in that it has a plurality of segments. That is, a multi-segment filter is manufactured by first winding the filter medium of each filter segment with raw paper (inner plug wrap) to make a filter segment, and then winding with a paper roll (outer plug wrap) so as to connect the filter segments. .
  • the filter medium since the multi-segment filter has more paper surrounding the filter medium than the plain filter, the filter medium needs to have a smaller diameter. For this reason, when a multi-segment filter is adopted for a cigarette of a narrow winding size, the ventilation resistance of the filter is particularly large.
  • the charcoal filter and multi-segment filter tend to increase the filter ventilation resistance, and it is more difficult to achieve both the desired low cigarette ventilation resistance and the high tar amount in the thin wound cigarette equipped with such a filter. is there.
  • Patent Document 2 A method of providing one or a plurality of through holes (cylindrical hollow portions) along the longitudinal direction of the filter inside the entire filter or a partial segment of the filter (for example, the central segment of the triple filter) (Patent Document 2) To 4); (2) A method in which a partial segment of the filter (for example, the central segment of the triple filter) is opened as a gap (see Patent Documents 5 to 7).
  • an object of the present invention is to provide a thin-rolled cigarette having a low cigarette ventilation resistance and a high tar amount without impairing the strength of the thin-rolled cigarette.
  • an object of the present invention is to provide a thin-rolled cigarette having a low cigarette ventilation resistance and a high tar amount and having a multi-segment filter without impairing the strength of the thin-rolled cigarette. .
  • acetate tow having a single fineness (Filament denier) of greater than 8.0 g / 9000 m and a total fineness (Total ⁇ denier) of less than 15000 g / 9000 m as a filter medium
  • the present inventors have improved the strength of cigarettes with a narrow winding size.
  • the present inventors have found that a desired low cigarette ventilation resistance and a high amount of tar can be achieved at the same time without impairing the present invention, and the present invention has been completed.
  • Tobacco rod including cigarette filler and cigarette wrapping paper wound around the cigarette filler, filter member and filter including winding paper integrally wound around the filter member, cigarette rod and filter A cigarette rod and a chip paper bonded on the filter so as to connect, and a through-hole for allowing air to flow in when smoke is absorbed is formed so as to penetrate the chip paper and the web of the filter section.
  • a cigarette The cigarette has a diameter of 3.0 to 6.0 mm;
  • the total amount of air (Q) sucked out from the cigarette inlet is the amount of air (Qt) flowing in from the tip of the cigarette, the amount of air flowing in through the cigarette paper (Qp), and the air flowing in from the through hole of the chip paper
  • the ratio of the air amount (Qf) flowing from the through hole of the chip paper to the total air amount (Q) is 10 to 60%
  • the filter member comprises acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness less than 15000 g / 9000 m.
  • the cigarette is a multi-segment filter including a plurality of filter segments, wherein at least one of the filter segments has a single fineness greater than 8.0 g / 9000 m and 15000 g / 9000 m.
  • a cigarette is provided that includes acetate tow having a smaller total fineness.
  • a cigarette having a narrow winding size having a desired low cigarette ventilation resistance and a high tar amount is provided without impairing the strength of the cigarette having a thin winding size.
  • a thin-wound cigarette having a desired low cigarette ventilation resistance and a high tar amount without impairing the strength of the thin-rolled cigarette and having a multi-segment filter.
  • the disassembled perspective view which shows an example of the cigarette of this invention. Explanatory drawing for demonstrating the air inflow amount in the cigarette of this invention.
  • the disassembled perspective view which shows the structure of the dual filter which can be used with the cigarette of this invention.
  • the disassembled perspective view which shows the structure of a channel ventilation dam filter.
  • FIG. 1 shows an example of a thin-rolled cigarette according to the present invention.
  • one end of the tobacco rod 10 is cut off so that the inside of the tobacco rod 10 can be seen.
  • the cigarette of the present invention has a diameter of 3.0 to 6.0 mm and a thin winding size.
  • the cigarette of the present invention has a diameter of, for example, 4.5 mm or 5.4 mm.
  • the cigarette of the present invention has the same structure as a normal cigarette with a filter, except that it has a small diameter. That is, the cigarette of the present invention includes the tobacco rod 10 and the filter 20, and the tobacco rod 10 and the filter 20 are connected by the tip paper 30.
  • the total length of the cigarette of the present invention can be set to, for example, 80 to 100 mm.
  • the cigarette rod 10 is composed of a cigarette filler 11 and a cigarette paper 12 wound around the cigarette filler 11 like a normal cigarette, has a diameter of 3.0 to 6.0 mm, and has a length of 50 to 75 mm, for example. Can have.
  • the tobacco wrapping paper 12 can be 10 to 100 ⁇ m thick, and it is common to use paper having air permeability.
  • the filter 20 is disposed at one end of the tobacco rod 10 and includes a filter member 21 and a web 22 around which the filter member 21 is wound.
  • the filter 20 has approximately the same diameter as the tobacco rod 10 and may have a length of, for example, 25-30 mm.
  • the filter member 21 shown in FIG. 1 has a single so-called plain filter structure.
  • the web 22 wound integrally around the filter member 21 can have a thickness of 10 to 100 ⁇ m, and it does not matter whether or not it has air permeability.
  • the web 22 has a through hole 23 at the same position as the through hole 31 of the chip paper 30 so as to communicate with the through hole 31.
  • the filter member 21 is composed of acetate tow having a single fineness (Filament denier) larger than 8.0 g / 9000 m and a total fineness (Total denier) smaller than 15000 g / 9000 m.
  • the acetate tow of the filter member 21 generally has a single fineness of greater than 8.0 g / 9000 m and 15 g / 9000 m or less, preferably 10 g / 9000 m to 13 g / 9000 m.
  • the filter member 21 generally has a total fineness of 10000 g / 9000 m or more and less than 15000 g / 9000 m, preferably 11000 g / 9000 m to 13000 g / 9000 m.
  • the cross section of the acetate fiber constituting the acetate tow can have an arbitrary shape, for example, a Y shape or a circular shape, and a circle is preferable for the purpose of reducing the ventilation resistance of the filter.
  • the cigarette of the present invention may further include an adsorbent such as activated carbon and a flavor release material such as a fragrance capsule in the filter member 21.
  • the chip paper 30 is bonded with an adhesive so as to cover the entire web 22 and a part of the cigarette paper 12.
  • a portion of the chip paper 30 covering the winding paper 22 is referred to as “filter chip paper”.
  • the tip paper 30 may have a length (width) in the axial direction of the tobacco rod of 30 to 37 mm and a thickness of 10 to 100 ⁇ m.
  • the chip paper has a through-hole 31 for allowing air to flow into the cigarette (filter member 21) from the outside during smoke absorption.
  • This ventilation through hole (ventilation hole) has a function of allowing air to flow from here during smoking, reducing the amount of air flowing from the tip of the cigarette, and reducing the ventilation resistance of the cigarette.
  • the through holes (ventilation holes) for ventilation are formed in one row along the circumferential direction of the cigarette in FIG. 1, but are formed in a plurality of rows along the circumferential direction of the cigarette. Alternatively, a large number of holes may be formed irregularly.
  • the through hole 31 is formed so as to penetrate the chip paper and the web 22 of the filter portion. As shown in FIG. 2, generally, in a cigarette, the total amount of air (Q) sucked out from the cigarette suction port is the amount of air flowing in from the cigarette tip (Qt) and the amount of air flowing in through the cigarette paper 12 (Qp). And the amount of air (Qf) flowing from the through hole 31 of the chip paper 30.
  • the ratio (Vt) of the air amount (Qt) flowing in from the cigarette tip is expressed by 100 ⁇ Qt / Q (%); the ratio (Vp) of the air amount (Qp) flowing through the cigarette paper is 100 X Qp / Q (%); the ratio (Vf) of the amount of air (Qf) flowing from the through hole of the chip paper is represented by 100 x Qf / Q (%).
  • These air ratios (Vt, Vp and Vf) can be determined by measuring under standard smoking conditions using a cigarette quality measuring instrument according to the ISO standard method (ISO9512).
  • the target tar amount of the cigarette of the present invention is 8 mg or more, but when the acetate tow used in the present invention is used for a filter, the ratio of the amount of air flowing from the through hole of the chip paper to the total air amount (Q) ( Vf) can be 10 to 60%, preferably 20 to 50% in order to achieve the target tar amount.
  • the ratio (Vt) of the air amount flowing from the tip of the cigarette to the total air amount (Q) is generally 28 to 90%, and the cigarette paper flows with respect to the total air amount (Q).
  • the ratio of air volume (Vp) is generally 0-12%.
  • Vf value can be obtained by adjusting the size and number of through-holes in the chip paper by changing the output and pulse length of the laser aperture device mounted on the cigarette manufacturing machine.
  • the web 22 has the through hole 23 so as to communicate with the through hole 31 at the same position as the through hole 31 of the chip paper 30. Therefore, these through holes can be formed by penetrating not only the chip paper but also the winding paper with a laser opening device. For this reason, the air permeability of the web is not critical.
  • Vp value it is preferable to use a paper having an air permeability of 5 to 100 CU as a raw material for the cigarette paper 12.
  • the cigarette of the present invention has a low rate (Vf) of air flowing from the through hole of the chip paper as low as 10 to 60%. A value (ie 8 mg or more) can be achieved.
  • the cigarette of the present invention has a low filter ventilation resistance, preferably 50 to 90 mmH 2 O, by using acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness smaller than 15000 g / 9000 m as a filter member.
  • the filter ventilation resistance can be achieved.
  • the cigarette of the present invention has a cigarette filter portion as compared with an existing thin-rolled cigarette equipped with an acetate filter, despite the use of acetate tow having the specific single fineness and total fineness described above.
  • the strength of the bottle was not impaired, and there was no hindrance to handling when applying stress or stress during smoking. Accordingly, the cigarette of the present invention can be achieved without compromising the strength of the cigarette fine wound size, low cigarette pressure drop (i.e. 150mmH 2 O or less) and high tar value (i.e. more than 8 mg).
  • the term "low cigarette pressure drop" is a 150mmH 2 O or less, is generally a 100 ⁇ 150mmH 2 0.
  • the “high tar value” is 8 mg or more, and generally 8 to 13 mg.
  • filter ventilation resistance refers to a value measured by using, for example, “ventilation resistance meter A11 (Burghart)” in accordance with ISO standard method (ISO6565), and “cigarette ventilation resistance” is ISO According to the standard method (ISO 6565), for example, the value measured using “NCQA (manufactured by JT Toshi Co., Ltd.)”.
  • tar value refers to a value measured in accordance with ISO standard smoking conditions (ISO 3380, ISO 3402).
  • the filter can be a multi-segment filter including a plurality of filter segments, for example, a dual filter or a triple filter.
  • at least one of the filter segments (consisting of the filter medium and the material paper on which the filter medium is wound) has a filter medium made of acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness less than 15000 g / 9000 m.
  • all of the filter segments have a filter medium consisting of acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness less than 15000 g / 9000 m.
  • the filter is a dual segment filter composed of a first filter segment disposed on the tobacco filler side and a second filter segment disposed on the suction port side.
  • the filter segment is an acetate tow filter containing an adsorbent (for example, activated carbon)
  • the second filter segment is an acetate tow filter
  • the filter material of the first and second filter segments is 8.0 g. / Acetate tow having a single fineness greater than 9000 m and a total fineness less than 15000 g / 9000 m.
  • the cigarette of the present invention when the multi-segment filter is employed in the cigarette of the present invention, acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness smaller than 15000 g / 9000 m is similarly used as the filter medium of at least one filter segment.
  • the cigarette of the present invention can have a low cigarette ventilation resistance (ie, 150 mmH 2 O or less) and a high tar value (ie, 8 mg or more).
  • the filter is made of another filter segment using a filter medium other than “acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness smaller than 15000 g / 9000 m”.
  • a filter medium other than “acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness smaller than 15000 g / 9000 m”.
  • an acetate filter other than the above, a paper filter, or another filter segment using a neofilter using a nonwoven fabric sheet of natural pulp as a filter medium may be included.
  • these other filter segments those having a low ventilation resistance are preferable.
  • a sheet having a low ventilation resistance can be obtained by adjusting the sheet width, sheet basis weight, sheet density, and the like.
  • FIG. 3 The structure of a dual filter that can be employed in the cigarette of the present invention is shown in FIG. 3, and specific examples of the dual filter are given below.
  • the dual filter is composed of a filter segment 21a on the cut side and a filter segment 21b on the inlet side.
  • a filter medium for example, acetate tow
  • These filter segments are further wound and connected by a web (outer plug wrap) 22 to form a dual filter.
  • the dual filter is further wound by chip paper 30 and connected to the tobacco rod 10 (consisting of the tobacco filler 11 and the tobacco wrapping paper 12).
  • the notch side filter segment is an acetate filter impregnated with activated carbon (ie, charcoal filter), and the suction side filter segment is a filter composed of acetate tow (ie, acetate filter). is there.
  • activated carbon ie, charcoal filter
  • the suction side filter segment is a filter composed of acetate tow (ie, acetate filter). is there.
  • activated carbon particles are dispersed between acetate fibers in the same manner as a normal charcoal filter.
  • the notch side filter segment is an acetate filter adhering activated carbon particles covered with a glucan membrane as an adsorbent
  • the inlet side filter segment is an acetate filter adhering a fragrance (for example, menthol).
  • adsorption of the fragrance to the activated carbon can be suppressed during non-smoking, and during smoking, the cigarette mainstream smoke dissolves the glucan membrane, thereby reducing the mainstream smoke component. Can be adsorbed on activated carbon.
  • the cut-out filter segment is an acetate filter in which activated carbon particles covered with a glucan membrane are adsorbed as an adsorbent, and the suction-side filter segment is a thread (thread) impregnated with a fragrance.
  • Acetate filter that penetrates the center of the filter see WO 2009/116417 and JP-B 63-38187.
  • the notch side filter segment in this example is the same as in the second example.
  • the acetate filter on the suction side includes a thread impregnated with a fragrance, so that the fragrance is added to the smoke passing through the filter at the time of smoke absorption, and the smoker can taste the fragrance component.
  • the notch side filter segment is an acetate filter impregnated with activated carbon (ie charcoal filter), and the suction side filter segment is called a channel ventilation dam (CVD) channel filter. It is a filter segment.
  • activated carbon ie charcoal filter
  • CVD channel ventilation dam
  • Fig. 4 shows an example of channel ventilation dumb filter.
  • this filter includes an acetate filter medium 41 having grooves on the surface. Since the acetate filter medium 41 is formed by winding a corrugated tape-like acetate tow around the outer periphery of the acetate tow (core part), it has a groove on its surface. For this reason, when the acetate filter medium 41 is wound with the wrapping paper 42, ventilation air flow paths 43 and 44 are formed between the groove on the surface of the acetate filter medium 41 and the wrapping paper 42. Through this flow path, outside air can be taken in from the opening 46 during smoke absorption.
  • This flow path is blocked by a blocking portion (dam) 45, and this blocking portion (dam) 45 has a role of controlling the ratio of sucked tobacco smoke and ventilation air (Japanese Patent Laid-Open No. 62-29958). reference). Since this filter includes an acetate filter medium 41 having an outer periphery that is slightly smaller than the outer periphery of the cigarette, the use of such a filter segment significantly increases the cigarette ventilation resistance. Therefore, when such a channel ventilation dam filter is used in the present invention, both the suction side filter segment and the notch side filter segment have a single fineness of greater than 8.0 g / 9000 m and less than 15000 g / 9000 m. It is desirable to use acetate tow having a total fineness.
  • the notch side filter segment is a filter made of acetate tow (ie, acetate filter), and the suction side filter segment is a channel ventilation dam filter.
  • acetate tow ie, acetate filter
  • the suction side filter segment is a channel ventilation dam filter.
  • the channel ventilation dam filter reference can be made to the fourth example.
  • the filter segment on the cut side is an acetate filter impregnated with activated carbon (that is, a charcoal filter), and the filter segment on the suction side is an acetate filter in which one fragrance capsule is embedded between acetate fibers ( See WO 2011/024068).
  • a perfume capsule is arrange
  • the filter segment on the cut side is a filter made of acetate tow (ie, acetate filter), and the filter segment on the suction side is an acetate filter (first filter embedded with one fragrance capsule between acetate fibers). 6).
  • the multi-segment filter that can be used in the cigarette of the present invention is not limited to the above specific example, and may be another known dual filter or triple filter.
  • At least one of the filter segments has a filter medium made of acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness smaller than 15000 g / 9000 m. All have a filter medium consisting of acetate tow with a single fineness greater than 8.0 g / 9000 m and a total fineness less than 15000 g / 9000 m.
  • the configuration of a filter (for example, a charcoal filter, a channel, a cigarette filter, a flow rate of cigarette, etc.) is increased in a cigarette having a small winding size with a low ratio (Vf) of air flowing from the through hole of the chip paper.
  • Vf ratio
  • Acetate tow having a single fineness greater than 8.0 g / 9000 m and a total fineness less than 15000 g / 9000 m even when a ventilation dam filter, a multi-segment filter including at least one of fragrance-encapsulated filters is employed.

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

Abstract

L'invention concerne une cigarette comprenant une tige de tabac comprenant un cylindre de charge de tabac et un papier à cigarette entourant le cylindre de charge de tabac, un filtre composé d'un élément de filtre et d'un papier entourant l'élément de filtre, et d'un papier de manchette collé sur la tige de tabac et sur le filtre afin de les relier; ladite cigarette étant formée de sorte que des trous, permettant l'afflux d'air au cours de l'inhalation, passent à travers le papier de manchette de la partie filtre et dans le papier enroulant l'élément de filtre. Cette cigarette est caractérisée en ce que son diamètre est compris entre 3,0 et 6,0 mm, en ce que le pourcentage de quantité d'air provenant des trous traversants ménagés dans le papier de manchette, par rapport à la quantité totale d'air inhalée par le bout de cigarette, se situe dans une plage allant de 10 à 60 %, et en ce que l'élément de filtre inclut une mèche d'acétate ayant un denier de filament de plus de 8,0 g/9 000 m et un denier total de 15 000 g/9 000 m.
PCT/JP2012/073473 2011-09-20 2012-09-13 Cigarette WO2013042609A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011204797A JP2014230489A (ja) 2011-09-20 2011-09-20 シガレット
JP2011-204797 2011-09-20

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WO2013042609A1 true WO2013042609A1 (fr) 2013-03-28

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WO2014154887A1 (fr) 2013-03-28 2014-10-02 Philip Morris Products S.A. Article à fumer comprenant un élément de diffusion d'arôme
WO2015036454A1 (fr) * 2013-09-11 2015-03-19 Essentra Filter Products Development Co. Pte. Ltd Filtre de fumée de tabac
KR20160007689A (ko) 2014-03-13 2016-01-20 주식회사 다이셀 시가렛 필터용의 셀룰로오스 아세테이트의 토우 밴드, 시가렛 필터, 토우 밴드의 제조 장치, 및 토우 밴드의 제조 방법
CN105338841A (zh) * 2013-07-18 2016-02-17 菲利普莫里斯生产公司 具有窗口的吸烟制品包装材料
KR20170072251A (ko) 2014-11-28 2017-06-26 주식회사 다이셀 시거렛 필터용 셀룰로오스아세테이트 섬유의 토우 밴드, 시거렛 필터, 토우 밴드의 제조 장치, 및 토우 밴드의 제조 방법
KR20180127544A (ko) * 2013-11-21 2018-11-28 니뽄 다바코 산교 가부시키가이샤 궐련
CN114025629A (zh) * 2019-07-03 2022-02-08 日本烟草产业株式会社 香味抽吸物品用构件、香味抽吸物品、香味抽吸物品用酚捕获剂以及香味抽吸物品用构件的制造方法
CN114128922A (zh) * 2021-12-16 2022-03-04 四川三联新材料有限公司 一种可视化调节压降过滤嘴、卷烟及制备方法
WO2023044662A1 (fr) * 2021-09-23 2023-03-30 云南中烟工业有限责任公司 Produit de génération d'aérosol ayant une section de noyau de cigarette parfumée
WO2023092854A1 (fr) * 2021-11-29 2023-06-01 内蒙古昆明卷烟有限责任公司 Filtre de cigarette haute efficacité pour la réduction des goudrons, son procédé de préparation et son application

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GB2091078A (en) * 1981-01-15 1982-07-28 Filtrona Ltd Ventilated cigarette filter
US5058608A (en) * 1989-07-21 1991-10-22 B.A.T. Cigarettenfabriken Gmbh Filter cigarette
WO1993008707A1 (fr) * 1991-10-28 1993-05-13 American Filtrona Corporation Filtre de fumee de tabac produisant un ecoulement equilibre
JP2001520874A (ja) * 1997-10-23 2001-11-06 ハー．エフ． ウント ペーハー．エフ． レーンツマ ゲゼルシャフト ミット ベシュレンクテル ハフツング 細いシガレット
JP2003525043A (ja) * 2000-03-01 2003-08-26 リームツマ シガレッテンファブリケン ゲー・エム・べー・ハー 喫煙具
JP2006503572A (ja) * 2002-10-23 2006-02-02 フィルトロナ インターナショナル リミティド タバコフィルター
WO2007000937A1 (fr) * 2005-06-29 2007-01-04 Mitsubishi Rayon Co., Ltd. Cigarette avec filtre
WO2011042175A1 (fr) * 2009-10-09 2011-04-14 Philip Morris Products S.A. Filtre de cigarette permettant de réduire les rendements en fumée des dernières bouffées

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273141A (en) * 1977-03-14 1981-06-16 Jan Van Tilburg Smoke filters
GB2091078A (en) * 1981-01-15 1982-07-28 Filtrona Ltd Ventilated cigarette filter
US5058608A (en) * 1989-07-21 1991-10-22 B.A.T. Cigarettenfabriken Gmbh Filter cigarette
WO1993008707A1 (fr) * 1991-10-28 1993-05-13 American Filtrona Corporation Filtre de fumee de tabac produisant un ecoulement equilibre
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KR102358588B1 (ko) * 2013-09-11 2022-02-03 에쎈트라 필터 프로덕츠 디벨롭먼트 씨오. 피티이. 엘티디 담배 연기 필터
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JP2019146577A (ja) * 2013-09-11 2019-09-05 エッセントラ フィルター プロダクツ ディベロップメント カンパニー プライベート リミティド タバコ煙フィルタ
WO2015036454A1 (fr) * 2013-09-11 2015-03-19 Essentra Filter Products Development Co. Pte. Ltd Filtre de fumée de tabac
JP2021119778A (ja) * 2013-09-11 2021-08-19 エッセントラ フィルター プロダクツ ディベロップメント カンパニー プライベート リミティド タバコ煙フィルタ
KR102104738B1 (ko) * 2013-11-21 2020-04-24 니뽄 다바코 산교 가부시키가이샤 궐련
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EP3117724B1 (fr) 2014-03-13 2019-05-08 Daicel Corporation Ruban de câble d'acétate de cellulose destiné à être utilise dans des filtres à cigarette et filtre à cigarette
KR20160007689A (ko) 2014-03-13 2016-01-20 주식회사 다이셀 시가렛 필터용의 셀룰로오스 아세테이트의 토우 밴드, 시가렛 필터, 토우 밴드의 제조 장치, 및 토우 밴드의 제조 방법
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CN114025629A (zh) * 2019-07-03 2022-02-08 日本烟草产业株式会社 香味抽吸物品用构件、香味抽吸物品、香味抽吸物品用酚捕获剂以及香味抽吸物品用构件的制造方法
WO2023044662A1 (fr) * 2021-09-23 2023-03-30 云南中烟工业有限责任公司 Produit de génération d'aérosol ayant une section de noyau de cigarette parfumée
WO2023092854A1 (fr) * 2021-11-29 2023-06-01 内蒙古昆明卷烟有限责任公司 Filtre de cigarette haute efficacité pour la réduction des goudrons, son procédé de préparation et son application
CN114128922A (zh) * 2021-12-16 2022-03-04 四川三联新材料有限公司 一种可视化调节压降过滤嘴、卷烟及制备方法

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