EP2856890B1 - Cigarette - Google Patents
Cigarette Download PDFInfo
- Publication number
- EP2856890B1 EP2856890B1 EP12877676.2A EP12877676A EP2856890B1 EP 2856890 B1 EP2856890 B1 EP 2856890B1 EP 12877676 A EP12877676 A EP 12877676A EP 2856890 B1 EP2856890 B1 EP 2856890B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- capsule
- filter
- cigarette
- filter plug
- plug
- 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.)
- Revoked
Links
- 235000019504 cigarettes Nutrition 0.000 title claims description 67
- 239000002775 capsule Substances 0.000 claims description 144
- 238000007373 indentation Methods 0.000 claims description 27
- 241000208125 Nicotiana Species 0.000 claims description 13
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 10
- 229920002301 cellulose acetate Polymers 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 14
- 238000000465 moulding Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 9
- 239000000796 flavoring agent Substances 0.000 description 8
- 235000019634 flavors Nutrition 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 239000004014 plasticizer Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- -1 for example Substances 0.000 description 2
- 239000003349 gelling agent Substances 0.000 description 2
- 239000001087 glyceryl triacetate Substances 0.000 description 2
- 235000013773 glyceryl triacetate Nutrition 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229960002622 triacetin Drugs 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- 229920002148 Gellan gum Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000000216 gellan gum Substances 0.000 description 1
- 235000010492 gellan gum Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
-
- 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
- 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
- A24D3/0216—Applying additives to filter materials the additive being in the form of capsules, beads or the like
-
- 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
- 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
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
Definitions
- This invention relates to a technology of a cigarette having a capsule in a portion of a filter.
- Cigarettes in each of which a capsule holding a liquid including a flavor is set in a cigarette filter and each of which can enjoy a fragrance of the flavor by destroying the capsule when a smoker starts to smoke are known (Japanese Patent Application KOKAI Publication No. 2003-304856 ).
- the capsule is arranged inside a filter for filtering mainstream smoke arranged at one end of a cigarette and the capsule arranged inside the filter is destroyed by the filter being pressurized with user's fingers.
- Examples of such cigarettes are disclosed in EP 2 213 185 A1 , WO 2006/082529 A2 , EP 2 120 616 A2 (or EP 2 120 616 B1 ) and JP 2011 512122 A , for instance.
- the present invention is derived from the above circumstances and an object thereof is to provide a cigarette in which the user can feel it easier to break the capsule in comparison to the conventional one.
- the present invention provides a cigarette with the features of claim 1.
- the filter plug may be configured to include a rod side plug and a holder side plug, these plugs being spaced apart from each other via a hollow portion, and to arrange the capsule in the hollow portion.
- the tobacco rod may be a cylindrical shape
- the filter may be a cylindrical shape
- the capsule may be circular in a cross sectional shape when it is viewed from an end surface side of the filter, and, in a case that a diameter of the filter plug is A and a diameter of a circle in the cross sectional shape of the capsule when it is viewed from the end surface side of the filter is B, a value of B/A may be 0.55 ⁇ B/A ⁇ 0.80, preferably 0.55 ⁇ B/A ⁇ 0.75, and more preferably 0.55 ⁇ B/A ⁇ 0.70.
- the capsule may be embedded in the filter plug.
- the tobacco rod may be a cylindrical shape
- the filter may be a cylindrical shape
- the capsule may be circular in a cross sectional shape when it is viewed from an end surface of the filter, and, in a case that a diameter of the filter plug is A and a diameter of a circle in the cross sectional shape of the capsule when it is viewed from the end surface side of the filter is B, a value of B/A may be 0.55 ⁇ B/A ⁇ 0.75, and preferably 0.55 ⁇ B/A ⁇ 0.70.
- a chip paper may be wound around a periphery of a connecting portion at which the tobacco rod and the filter are connected, and preferably an outer circumferential length of the chip paper is 25 mm or less, 23 mm or less, 17 mm or less, and 15 mm or less.
- a filament denier of the filter plug is 5.0 to 14.0 g/9000 m to form a filter having a relatively low repulsive force while maintaining a total denier.
- a cigarette in which the user can feel it easier to break the capsule in comparison to the conventional one is provided.
- FIG. 1 shows a cigarette including a capsule filter as a first embodiment of the present invention.
- the cigarette is formed by connecting a cylindrical tobacco rod 1 in which a wrapping paper 14 is wound around a tobacco filler 12 and a cylindrical filter 2 with a chip paper 3 wound around a peripheral surface of a connecting portion at which the tobacco rod 1 and the filter 2 are connected.
- the filter 2 is constructed by a rod side plug 24a (arranged on a tobacco rod side) and a cigarette holder side plug 24b (arranged on a cigarette holder side) arranged to space apart from each other via a hollow portion 22 in a longitudinal direction of the cigarette, a capsule 26 in the hollow portion 22, rolling papers 28a, 28b wound around the rod side plug 24a and the cigarette holder side plug 24b respectively as an example of an outer-wrapping paper, and a molding paper 29 arranged around the rolling papers 28a, 28b while leaving the hollow portion 22 as an example of the outer-wrapping paper.
- the filter having a structure in which the hollow portion is formed between plural filter plugs is called a "cavity filter”.
- a filter plug formed by the following manner can be used.
- cellulose acetate fibers of a filament denier 1.0 to 14.0 g/9000 m (preferably 5.0 to 6.0 g/9000 m) extending in a direction substantially parallel to the longitudinal direction of the cigarette are bound, for example, triacetin as a plasticizer is added with a plasticizer adding amount of 2 to 10% (preferably 3 to 6%) to fibers in weight percentage, a total denier is set at 17,000 to 44,000 g/9000 m (preferably 17,000 to 35,000 g/9000 m), a pressure drop is set at 100 to 700 mmH 2 O/120 mm (preferably 260 to 680 mmH 2 O/120 mm), etc.
- the filter plug papers each of which is made mainly of plant pulp having a basis weight of 15 to 60 g/m 2 , a thickness of 20 to 150 ⁇ mm, and a width of 14 to 27 mm and which are bound may also be used.
- Activated carbon may also be included in the filter plug.
- a paper made mainly of plant pulp having a basis weight of 20 to 60 g/m 2 and a thickness of 20 to 60 ⁇ mm can be used.
- a paper made mainly of plant pulp having a basis weight of 20 to 100 g/m 2 , a thickness 20 to 150 ⁇ mm, and an air permeability of 0 to 30,000 CORESTA unit (C.U.) can be used.
- the cigarette can be structured, for example by setting a length of the tobacco rod ("a" in FIG. 1 ) at 53 to 67 mm, a length of the filter ("b" in FIG. 1 ) at 17 to 31 mm, an outer circumferential length of the chip paper at 14 to 26.1 mm, a length of each of the rod side plug and the cigarette holder side plug ("d" in FIG. 1) at 5 mm or more, and a size of the capsule in the longitudinal direction of the cigarette at 1 to 8 mm.
- the capsule 26 is destroyed before an indentation rate of the rod side plug 24a and cigarette holder side plug 24b from an outer side in a radial direction of the filter plug in a peripheral filter 21 reaches 0.5.
- the peripheral filter is defined, as indicated by each of 21a, 21b in FIG. 1 , by a portion of the filter to which a pressure is applied when an user applies a pressure to destroy the capsule by its fingers and, in many cases, depending on a size of an user's finger, a length from a rod side end of the surrounding filter 21a to a cigarette holder end of the surrounding filter 21b is about 10 to 20 mm.
- the pressure is not applied to only a part of a filter located in the same position as that where the capsule exists (hereinafter, that part of the filter is denoted as a "capsule location") in the longitudinal direction of the cigarette, but to the capsule location 23 and parts of the filter 21 (surrounding filters) exist in surroundings of the capsule location 23 in the longitudinal direction of the cigarette.
- the indentation rate is defined by (C-D)/C, where, as shown in FIG. 3 , “C” is a distance between spots “e” on a filter plug 242a before external pressures are applied thereto and “D” is a distance between spots “e'” on a filter plug 242b after the external pressures are applied thereto.
- a ratio (hereinafter, denoted as a "capsule ratio") B/A of "a diameter B of a circle in a cross sectional shape of the capsule 26 when it is viewed from a filter end surface side 21 of the capsule” to "a diameter A of the filter plug 24" may be set to 0.55 ⁇ B/A ⁇ 0.80, preferably 0.55 ⁇ B/A ⁇ 0.75, and more preferably 0.55 ⁇ B/A ⁇ 0.70 and a capsule deformation rate is 1/7 to 2/3.
- a value of a diameter changes (B, B', B") depending on a position of a cross section because, as shown in FIG. 4 , the capsule 26 is a sphere and the like, the diameter having the largest value is defined as the diameter B.
- a capsule deformation rate is defined by (E-F)/E, where a distance between spots "f", “f” of a capsule 266a before the spots of the capsule are not subject to an external pressure is E and a distance between spots "f'", “f'” of a capsule 266b in a state that the spots of the capsule are subject to the external pressure and the capsule is immediately before it is destroyed is F, as shown in FIG.5 .
- the capsule 26 has a structure in which a liquid for contents 264 including a flavor, as an example of contents, is held by a film 262.
- a capsule having a circular cross section or elliptical cross section when it is viewed from the filter end surface side 21 may be used, and a sphere shaped capsule or a cylindrical shaped capsule, as shown in FIG. 2 , may be used.
- a film forming material includes, for example, starch and a gelling agent.
- the film forming material may further include a gelling assistant.
- As the gelling assistant for example, calcium chloride is used.
- the film forming material may further include a capsule plasticizer.
- As the capsule plasticizer glycerin and/or sorbitol is used.
- the film forming material may further include a coloring agent.
- the capsule deformation rate can be adjusted by changing a composition or thickness of the film forming material.
- the flavor included in the liquid for contents in the capsule for example, menthol, plant essential oil or the like can be used.
- a solvent for the flavor included in the liquid for contents for example, medium chain triglyceride fatty acid (MCT) can be used.
- the liquid for contents may further includes other additives such as a pigment, emulsifying agent, thickener and so on.
- the capsule may hold granulated solid as its contents.
- a dropping method by which the flavor capsule having a seamless film can be formed.
- a double nozzle is used, and the liquid for contents is discharged from an inner nozzle while a liquid film material is discharged from an outer nozzle, so that the film liquid can seamlessly hold the liquid for contents.
- Inventors of this invention examined why an user feels it difficult to break the capsule when he or her destroys the capsule arranged inside the cavity filter 2 like in the present embodiment by applying a pressure to the filter with its fingers.
- FIG. 7 is a graph in which a vertical axis represents a repulsive force per a unit cross section of the filter plug and a horizontal axis represents an indentation rate, and it is clear from the graph that the repulsive force increases with an increase of the indentation rate.
- the repulsive force per a unit cross section is a value obtained by dividing the repulsive force by a cross section (mm 2 ) and the cross section means a circular cross section which is orthogonal to a longitudinal direction of the cylindrical filter.
- the filter plug since the user normally puts a pressure on the peripheral filter in addition to the capsule when the user destroys the capsule, the filter plug generates the repulsive force as the measurement result when the capsule is destroyed. As a result of this, a value of the repulsive force increases with an increase of the indentation rate to destroy the capsule.
- the repulsive force linearly increases (a first increasing rate) with the increase of the indentation rate while the indentation rate is equal to or less than a specific value (0.5 in this measurement), but the repulsive force increases like a quadratic curve (a second increasing rate larger than the first increasing rate) with the increase of the indentation rate when the indentation rate is larger than the specific value. That is, when the indentation rate becomes larger than the specific value, the repulsive force largely increases rapidly and a trend to increase the repulsive force changes while pressing the filter plug. And, it is considered as a reason why the user feels it difficult to break the capsule.
- the rheometer used for the measurement in FIG. 6 is a Sun RHEOMETER CR3000EX (manufactured by Sun Scientific Co., Ltd.), and conditions for forming filter plugs are as shown in Tables 1 and 2.
- Each of the samples other than the sample of No. 4 uses cellulose acetate fibers as a material and triacetin is used as the plasticizer. [Table 1] Sample No.
- Filter type Outer circumferential length of filter plug (mm) Fiber denier (g/ 9000m) Total Denier (g/ 9000m) Pressure Drop (mmH 2 O/120mm) Plasticizer addition amount to fibers in weight percentage (%) 1 cavity 24.4 5.0 35000 300 3.0 2 cavity 16.8 6.0 17000 671 6.0 3 embeded 24.4 5.0 35000 260 3.0 [Table 2] Sample No. Filter type Outer circumferential length of filter plug (mm) Basis Weight (g/m 2 ) Thickness ( ⁇ m) Pressure Drop (mmH 2 O/120mm) Width of paper (mm) 4 paper 24.4 35 60 300 220
- An indentation width (a diameter of a circular indentation surface) of the rheometer is 15.0 mm
- a cavity width in the longitudinal direction of the cavity filter is 6.0 mm
- a center position of the rheometer in its width direction is set to a center position of the cavity in its width direction.
- Each sample is formed by winding a molding paper whose basis weight is 50 g/m 2 and whose thickness is 52 ⁇ m around a filter plug, a length of the filter plug is 27 mm, and the filter plug includes no capsule.
- the capsule can be destroyed when the indentation rate of the filter is equal to or less than the specific value (0.5) and therefore, the user can feel it easier to break the capsule than in the conventional one.
- FIGS. 9A to 9D show pressure distributions detected by a pressure-sensitive electrically conductive elastomer sensor 81 when, as shown in FIG. 8 , a cavity filter 82 placed on the sensor 81 is indented from above by the rheometer 62. And, a capsule is arranged at a center of a hollow portion of the cavity filter.
- a Y direction shown by a vertical axis and an X direction shown by a horizontal axis in each of FIGS. 9A to 9D correspond to a Y direction and an X direction shown in FIG. 8 .
- a pressure increases in an order of 1, 2, ....
- the rheometer used for the measurement in each of FIGS. 9A to 9D is the same as that described above and an Inastomer (manufactured by Inaba Rubber Co., Ltd.) is used as the sensor 81.
- FIGS. 9A to 9D show in this order pressure distributions in time sequence from a start of an indentation.
- a pressure does not reach at the capsule and a pressure (a repulsive force) is generated only by the filter plug.
- FIG. 9C shows that the pressure reaches at the capsule and the capsule also generates a pressure (a repulsive force).
- FIG. 9D shows that the pressure (the repulsive force) generated by the capsule in FIG. 9C is almost disappeared after the capsule is destroyed.
- FIG. 9C it is found that a location at which a high pressure (repulsive force) is detected is shifted from the center position of the hollow portion of the cavity filter toward a minus Y direction. As a result of this, it is found that the capsule moves in the hollow portion in a process that the capsule arranged in the hollow portion being destroyed by pressing the capsule via the filter plugs. This movement of the capsule can also be considered as one reason why the user feels it difficult to break the capsule in the conventional cigarette.
- a range of the movement of the capsule in the hollow portion becomes smaller with setting a value of the capsule ratio to 0.55 ⁇ B/A ⁇ 0.8, so that the user can feel it easier to destroy the capsule.
- the capsule and the molding paper 29 (a peripheral member in the present embodiment) come into contact with each other in a process in which the capsule 26 arranged in the hollow portion 22 is pressed to be destroyed, the movement of the capsule 26 is limited due to a frictional force between the capsule 26 and the molding paper 29. Thus, the user can feel it easier to break the capsule.
- the molding paper 29 is not used, a member which exists on the outer side of the hollow portion in the radial direction thereof, for example the chip paper, is the peripheral member.
- the value of the capsule ratio is preferably 0.55 ⁇ B/A ⁇ 0.75 and more preferably 0.55 ⁇ B/A ⁇ 0.70.
- Such a problem is also reduced by using a cigarette having a capsule filter in which the value of the capsule ratio is set to 0.55 ⁇ B/A ⁇ 0.8 because the volume of the capsule with respect to the diameter of the filter increases in comparison with the conventional cigarette.
- a concentration of force on a finger can be mitigated by using a cigarette having a capsule filter whose capsule ratio is 0.55 ⁇ B/A ⁇ 0.8 and a feeling that it is difficult to break the capsule can be reduced.
- the present invention can be applied more suitably with a decreasing in an outer circumferential length of the chip paper such as 25 mm or less, 23 mm or less, 17 mm or less and 15 mm or less.
- FIG. 10 shows a cigarette having a capsule filter as a second embodiment of the present invention.
- a filter portion of this cigarette is different from that of the first embodiment. And, since the other portions of this cigarette are the same as those of the cigarette of the first embodiment, the other portions of this cigarette are denoted by the same reference characters as those denote the other portions of the cigarette of the first embodiment and detailed descriptions thereof are omitted.
- a filter 4 of the second embodiment is structured by a filter plug 44, a web paper 46 wound around the filter plug 44 as an example of an outer-wrapping paper, and a capsule 48 embedded in the filter plug 44.
- a filter of a structure in which a capsule is embedded inside the filter is called as an "embedded filter" in this specification.
- the capsule, the filter plug, the chip paper, and the web paper similar to those described in the first embodiment can be used, and also each dimension of the cigarette described in the first embodiment can be used as that of the cigarette of the present embodiment.
- the capsule 48 is destroyed before an indentation rate of the filter plug 44 when peripheral filters 41a, 41b are pressed from an outer side in a radial direction of the filter plug reaches at 0.5.
- a value of a capsule ratio B/A may be set to 0.55 ⁇ B/A ⁇ 0.75, preferably to 0.55 ⁇ B/A ⁇ 0.70, and a capsule deformation rate is equal to or less than 2/3.
- the capsule exists in the filter also in the cigarette with the filter according to the second embodiment, a pressure is applied on the peripheral filters 41a, 41b when a user destroys the capsule. Therefore, the filters generate repulsive forces when the capsule is destroyed, and a value of the repulsive force increases with an increase of the indentation rate to destroy the capsule.
- the capsule can be destroyed in the cigarette having the capsule filter according to the present embodiment when the indentation rate of the filter is equal to or less than a specific value (0.5), the user can feel it easier to break the capsule than in the conventional one.
- a cigarette having a conventional embedded filter tends to give a strong feeling that it is difficult to break the capsule because a filter exists in a capsule location 43. Therefore, an application of the present invention is particularly effective.
- a capsule is arranged inside fibers when the fibers are gathered in a process of creating a filter plug by gathering cellulose acetate fibers or the like in a rod shape.
- the filter plug in a capsule position is pressed harder than the conventional one so that a pressure generated by user's fingers is more easily transferred to the capsule and the user can feel it easier to break the capsule.
- the value of the capsule ratio is set to 0.55 ⁇ B/A ⁇ 0.70 so that the pressure drop can be kept at a proper level (if the pressure drop is too high, it is difficult to smoke, and, if the pressure drop is too low, it is difficult to feel smoking) while the ease in the break of the capsule is maintained.
- the present invention can be applied more suitably with a decreasing in an outer circumferential length of the chip paper such as 25 mm or less, 23 mm or less, 17 mm or less and 15 mm or less.
- FIG. 11 shows a cigarette as a third embodiment of the present invention.
- This embodiment uses a cavity filter similar to that in the first embodiment, and the same parts of the third embodiment as those of the first embodiment are denoted by the same reference characters as those used to denote the same parts of the first embodiment and the descriptions thereof are omitted.
- the present embodiment is different from the first embodiment in that a rolling paper is not used and an exudation preventing molding paper 52 for preventing an exudation of a liquid for contents in the capsule is used as a molding paper.
- a water-resistant paper having a water resistance As an example of the exudation preventing molding paper 52, a water-resistant paper having a water resistance, an oil-resistant paper having an oil resistance, a water and oil resistant paper having a water resistance and oil resistance, or a paper on an inside of which a wax having a water resistance and/or an oil resistance and the like is coated may be used. In some cases, such molding paper has almost no air permeability.
- a gap filling layer 56 is formed between the exudation preventing molding paper 52 and each of filter plugs 54a, 54b to fill the gap between the exudation preventing molding paper 52 and each of the filter plugs 54a, 54b.
- an adhesive such as a paste or a hot melt adhesive may be used.
- the wax can perform as the gap filling layer.
- a relatively large amount of liquid for contents can be held in the capsule.
- a possibility that the liquid for contents exudes out through the cavity filter when the liquid for contents flew out from the capsule in the hollow portion can be reduced.
- an embedded filter can also be structured by using a gap filling layer and a rolling paper that prevents an exudation of a liquid for contents of a capsule like the above described exudation preventing molding paper.
Description
- This invention relates to a technology of a cigarette having a capsule in a portion of a filter.
- Cigarettes in each of which a capsule holding a liquid including a flavor is set in a cigarette filter and each of which can enjoy a fragrance of the flavor by destroying the capsule when a smoker starts to smoke are known (Japanese Patent Application KOKAI Publication No.
2003-304856 - The capsule is arranged inside a filter for filtering mainstream smoke arranged at one end of a cigarette and the capsule arranged inside the filter is destroyed by the filter being pressurized with user's fingers. Examples of such cigarettes are disclosed in
EP 2 213 185 A1WO 2006/082529 A2 ,EP 2 120 616 A2 (orEP 2 120 616 B1 ) andJP 2011 512122 A - However, there are some users who feel it difficult to break the capsule when they attempt to destroy the capsule and it is desired to provide a cigarette in which the capsule can more easily be broken in comparison to the conventional one.
- The present invention is derived from the above circumstances and an object thereof is to provide a cigarette in which the user can feel it easier to break the capsule in comparison to the conventional one.
- The present invention provides a cigarette with the features of
claim 1. - The filter plug may be configured to include a rod side plug and a holder side plug, these plugs being spaced apart from each other via a hollow portion, and to arrange the capsule in the hollow portion. Further, the tobacco rod may be a cylindrical shape, the filter may be a cylindrical shape, the capsule may be circular in a cross sectional shape when it is viewed from an end surface side of the filter, and, in a case that a diameter of the filter plug is A and a diameter of a circle in the cross sectional shape of the capsule when it is viewed from the end surface side of the filter is B, a value of B/A may be 0.55 ≤ B/A ≤ 0.80, preferably 0.55 ≤ B/A ≤ 0.75, and more preferably 0.55 ≤ B/A ≤ 0.70.
- The capsule may be embedded in the filter plug. The tobacco rod may be a cylindrical shape, the filter may be a cylindrical shape, the capsule may be circular in a cross sectional shape when it is viewed from an end surface of the filter, and, in a case that a diameter of the filter plug is A and a diameter of a circle in the cross sectional shape of the capsule when it is viewed from the end surface side of the filter is B, a value of B/A may be 0.55 ≤ B/A ≤ 0.75, and preferably 0.55 ≤ B/A ≤ 0.70.
- A chip paper may be wound around a periphery of a connecting portion at which the tobacco rod and the filter are connected, and preferably an outer circumferential length of the chip paper is 25 mm or less, 23 mm or less, 17 mm or less, and 15 mm or less.
- And, according to the invention, a filament denier of the filter plug is 5.0 to 14.0 g/9000 m to form a filter having a relatively low repulsive force while maintaining a total denier.
- According to the present invention, a cigarette in which the user can feel it easier to break the capsule in comparison to the conventional one is provided.
-
-
FIG. 1 is a figure for explaining a cigarette of a first embodiment according to the present invention. -
FIG. 2 is a figure showing shapes of capsules that can be used for the present invention. -
FIG. 3 is a figure for explaining an indentation rate. -
FIG. 4 is a figure for explaining a diameter of the capsule. -
FIG. 5 is a figure for explaining a capsule deformation rate. -
FIG. 6 is a figure for explaining a measuring system to measure a relationship between the indentation rate and a repulsive force. -
FIG. 7 is a graph showing the relationship between the indentation rate and the repulsive force measured by the measuring system inFIG. 6 . -
FIG. 8 is a figure for explaining a measuring system to measure a movement of the capsule in a cavity filter. -
FIG. 9A is a diagram showing the movement of the capsule measured by the measuring system inFIG. 8 . -
FIG. 9B is a diagram showing the movement of the capsule measured by the measuring system inFIG. 8 . -
FIG. 9C is a diagram showing the movement of the capsule measured by the measuring system inFIG. 8 . -
FIG. 9D is a diagram showing the movement of the capsule measured by the measuring system inFIG. 8 . -
FIG. 10 is a figure for explaining a cigarette of a second embodiment according to the present invention. -
FIG. 11 is a figure for explaining a cigarette of a third embodiment according to the present invention. - In what follows, embodiments of the present invention will be described, but the present invention is not limited to concrete forms of the examples presented, but is defined by the appended claims.
-
FIG. 1 shows a cigarette including a capsule filter as a first embodiment of the present invention. The cigarette is formed by connecting acylindrical tobacco rod 1 in which awrapping paper 14 is wound around atobacco filler 12 and acylindrical filter 2 with achip paper 3 wound around a peripheral surface of a connecting portion at which thetobacco rod 1 and thefilter 2 are connected. - The
filter 2 is constructed by arod side plug 24a (arranged on a tobacco rod side) and a cigarette holder side plug 24b (arranged on a cigarette holder side) arranged to space apart from each other via ahollow portion 22 in a longitudinal direction of the cigarette, acapsule 26 in thehollow portion 22,rolling papers rod side plug 24a and the cigarette holder side plug 24b respectively as an example of an outer-wrapping paper, and a molding paper 29 arranged around therolling papers hollow portion 22 as an example of the outer-wrapping paper. In this specification, the filter having a structure in which the hollow portion is formed between plural filter plugs is called a "cavity filter". - As for the filter plug, for example, a filter plug formed by the following manner can be used. With this manner, cellulose acetate fibers of a filament denier 1.0 to 14.0 g/9000 m (preferably 5.0 to 6.0 g/9000 m) extending in a direction substantially parallel to the longitudinal direction of the cigarette are bound, for example, triacetin as a plasticizer is added with a plasticizer adding amount of 2 to 10% (preferably 3 to 6%) to fibers in weight percentage, a total denier is set at 17,000 to 44,000 g/9000 m (preferably 17,000 to 35,000 g/9000 m), a pressure drop is set at 100 to 700 mmH2O/120 mm (preferably 260 to 680 mmH2O/120 mm), etc. Alternatively, as the filter plug, papers each of which is made mainly of plant pulp having a basis weight of 15 to 60 g/m2, a thickness of 20 to 150 µmm, and a width of 14 to 27 mm and which are bound may also be used. Activated carbon may also be included in the filter plug.
- As the
chip paper 3, a paper made mainly of plant pulp having a basis weight of 20 to 60 g/m2 and a thickness of 20 to 60 µmm can be used. As each of therolling paper - The cigarette can be structured, for example by setting a length of the tobacco rod ("a" in
FIG. 1 ) at 53 to 67 mm, a length of the filter ("b" inFIG. 1 ) at 17 to 31 mm, an outer circumferential length of the chip paper at 14 to 26.1 mm, a length of each of the rod side plug and the cigarette holder side plug ("d" inFIG. 1) at 5 mm or more, and a size of the capsule in the longitudinal direction of the cigarette at 1 to 8 mm. - In this embodiment, the
capsule 26 is destroyed before an indentation rate of therod side plug 24a and cigarette holder side plug 24b from an outer side in a radial direction of the filter plug in a peripheral filter 21 reaches 0.5. - The peripheral filter is defined, as indicated by each of 21a, 21b in
FIG. 1 , by a portion of the filter to which a pressure is applied when an user applies a pressure to destroy the capsule by its fingers and, in many cases, depending on a size of an user's finger, a length from a rod side end of the surroundingfilter 21a to a cigarette holder end of the surroundingfilter 21b is about 10 to 20 mm. - When the user applies the pressure by its fingers to destroy the capsule, the pressure is not applied to only a part of a filter located in the same position as that where the capsule exists (hereinafter, that part of the filter is denoted as a "capsule location") in the longitudinal direction of the cigarette, but to the
capsule location 23 and parts of the filter 21 (surrounding filters) exist in surroundings of thecapsule location 23 in the longitudinal direction of the cigarette. - The indentation rate is defined by (C-D)/C, where, as shown in
FIG. 3 , "C" is a distance between spots "e" on afilter plug 242a before external pressures are applied thereto and "D" is a distance between spots "e'" on afilter plug 242b after the external pressures are applied thereto. - A ratio (hereinafter, denoted as a "capsule ratio") B/A of "a diameter B of a circle in a cross sectional shape of the
capsule 26 when it is viewed from a filter end surface side 21 of the capsule" to "a diameter A of the filter plug 24" may be set to 0.55 ≤ B/A ≤ 0.80, preferably 0.55 ≤ B/A ≤ 0.75, and more preferably 0.55 ≤ B/A ≤ 0.70 and a capsule deformation rate is 1/7 to 2/3. - In a case that a value of a diameter changes (B, B', B") depending on a position of a cross section because, as shown in
FIG. 4 , thecapsule 26 is a sphere and the like, the diameter having the largest value is defined as the diameter B. - A capsule deformation rate is defined by (E-F)/E, where a distance between spots "f", "f" of a
capsule 266a before the spots of the capsule are not subject to an external pressure is E and a distance between spots "f'", "f'" of acapsule 266b in a state that the spots of the capsule are subject to the external pressure and the capsule is immediately before it is destroyed is F, as shown inFIG.5 . - The
capsule 26 has a structure in which a liquid forcontents 264 including a flavor, as an example of contents, is held by afilm 262. As the capsule, for example, a capsule having a circular cross section or elliptical cross section when it is viewed from the filter end surface side 21 may be used, and a sphere shaped capsule or a cylindrical shaped capsule, as shown inFIG. 2 , may be used. - A film forming material includes, for example, starch and a gelling agent. As the gelling agent, for example, gellan gum is used. The film forming material may further include a gelling assistant. As the gelling assistant, for example, calcium chloride is used. In this invention, the film forming material may further include a capsule plasticizer. As the capsule plasticizer, glycerin and/or sorbitol is used. The film forming material may further include a coloring agent.
- The capsule deformation rate can be adjusted by changing a composition or thickness of the film forming material.
- As the flavor included in the liquid for contents in the capsule, for example, menthol, plant essential oil or the like can be used. As a solvent for the flavor included in the liquid for contents, for example, medium chain triglyceride fatty acid (MCT) can be used. The liquid for contents may further includes other additives such as a pigment, emulsifying agent, thickener and so on.
- In addition, the capsule may hold granulated solid as its contents.
- As a forming method for a flavor capsule, it is preferable to use a dropping method by which the flavor capsule having a seamless film can be formed. In this method, a double nozzle is used, and the liquid for contents is discharged from an inner nozzle while a liquid film material is discharged from an outer nozzle, so that the film liquid can seamlessly hold the liquid for contents.
- Inventors of this invention examined why an user feels it difficult to break the capsule when he or her destroys the capsule arranged inside the
cavity filter 2 like in the present embodiment by applying a pressure to the filter with its fingers. - The inventors measured a pressure detected when, as shown in
FIG. 6 , afilter plug 242 placed on astage 61 is pressed from above by arheometer 62 arranged on an outer side of the filter plug in a radial direction thereof, and measurement results as shown inFIG. 7 are obtained. No. 1 to No. 4 inFIG. 7 correspond to sample Nos. shown in Table 1 and Table 2 shown in later.FIG. 7 is a graph in which a vertical axis represents a repulsive force per a unit cross section of the filter plug and a horizontal axis represents an indentation rate, and it is clear from the graph that the repulsive force increases with an increase of the indentation rate. In this graph, the repulsive force per a unit cross section is a value obtained by dividing the repulsive force by a cross section (mm2) and the cross section means a circular cross section which is orthogonal to a longitudinal direction of the cylindrical filter. - That is, since the user normally puts a pressure on the peripheral filter in addition to the capsule when the user destroys the capsule, the filter plug generates the repulsive force as the measurement result when the capsule is destroyed. As a result of this, a value of the repulsive force increases with an increase of the indentation rate to destroy the capsule.
- Further, it should be noted that the repulsive force linearly increases (a first increasing rate) with the increase of the indentation rate while the indentation rate is equal to or less than a specific value (0.5 in this measurement), but the repulsive force increases like a quadratic curve (a second increasing rate larger than the first increasing rate) with the increase of the indentation rate when the indentation rate is larger than the specific value. That is, when the indentation rate becomes larger than the specific value, the repulsive force largely increases rapidly and a trend to increase the repulsive force changes while pressing the filter plug. And, it is considered as a reason why the user feels it difficult to break the capsule.
- The rheometer used for the measurement in
FIG. 6 is a Sun RHEOMETER CR3000EX (manufactured by Sun Scientific Co., Ltd.), and conditions for forming filter plugs are as shown in Tables 1 and 2. Each of the samples other than the sample of No. 4 uses cellulose acetate fibers as a material and triacetin is used as the plasticizer.[Table 1] Sample No. Filter type Outer circumferential length of filter plug (mm) Fiber denier (g/ 9000m) Total Denier (g/ 9000m) Pressure Drop (mmH2O/120mm) Plasticizer addition amount to fibers in weight percentage (%) 1 cavity 24.4 5.0 35000 300 3.0 2 cavity 16.8 6.0 17000 671 6.0 3 embeded 24.4 5.0 35000 260 3.0 [Table 2] Sample No. Filter type Outer circumferential length of filter plug (mm) Basis Weight (g/m2) Thickness (µm) Pressure Drop (mmH2O/120mm) Width of paper (mm) 4 paper 24.4 35 60 300 220 - An indentation width (a diameter of a circular indentation surface) of the rheometer is 15.0 mm, a cavity width in the longitudinal direction of the cavity filter is 6.0 mm, and, when the cavity filter is indented, a center position of the rheometer in its width direction is set to a center position of the cavity in its width direction. Each sample is formed by winding a molding paper whose basis weight is 50 g/m2 and whose thickness is 52 µm around a filter plug, a length of the filter plug is 27 mm, and the filter plug includes no capsule.
- In the cigarette having the capsule filter according to the present invention, the capsule can be destroyed when the indentation rate of the filter is equal to or less than the specific value (0.5) and therefore, the user can feel it easier to break the capsule than in the conventional one.
-
FIGS. 9A to 9D show pressure distributions detected by a pressure-sensitive electricallyconductive elastomer sensor 81 when, as shown inFIG. 8 , acavity filter 82 placed on thesensor 81 is indented from above by therheometer 62. And, a capsule is arranged at a center of a hollow portion of the cavity filter. A Y direction shown by a vertical axis and an X direction shown by a horizontal axis in each ofFIGS. 9A to 9D correspond to a Y direction and an X direction shown inFIG. 8 . A pressure increases in an order of 1, 2, .... The rheometer used for the measurement in each ofFIGS. 9A to 9D is the same as that described above and an Inastomer (manufactured by Inaba Rubber Co., Ltd.) is used as thesensor 81. -
FIGS. 9A to 9D show in this order pressure distributions in time sequence from a start of an indentation. InFIGS. 9A and 9B , a pressure does not reach at the capsule and a pressure (a repulsive force) is generated only by the filter plug.FIG. 9C shows that the pressure reaches at the capsule and the capsule also generates a pressure (a repulsive force).FIG. 9D shows that the pressure (the repulsive force) generated by the capsule inFIG. 9C is almost disappeared after the capsule is destroyed. - In
FIG. 9C , it is found that a location at which a high pressure (repulsive force) is detected is shifted from the center position of the hollow portion of the cavity filter toward a minus Y direction. As a result of this, it is found that the capsule moves in the hollow portion in a process that the capsule arranged in the hollow portion being destroyed by pressing the capsule via the filter plugs. This movement of the capsule can also be considered as one reason why the user feels it difficult to break the capsule in the conventional cigarette. - When the present invention is used for a cavity filter like the present embodiment, a range of the movement of the capsule in the hollow portion becomes smaller with setting a value of the capsule ratio to 0.55 ≤ B/A ≤ 0.8, so that the user can feel it easier to destroy the capsule.
- When the capsule and the molding paper 29 (a peripheral member in the present embodiment) come into contact with each other in a process in which the
capsule 26 arranged in thehollow portion 22 is pressed to be destroyed, the movement of thecapsule 26 is limited due to a frictional force between thecapsule 26 and the molding paper 29. Thus, the user can feel it easier to break the capsule. If the molding paper 29 is not used, a member which exists on the outer side of the hollow portion in the radial direction thereof, for example the chip paper, is the peripheral member. - When the cavity filter is used, in view of a manufacturing stability, the value of the capsule ratio is preferably 0.55 ≤ B/A ≤ 0.75 and more preferably 0.55 ≤ B/A ≤ 0.70.
- When the diameter of the filter becomes smaller, an amount of the flavor in the capsule tends to be insufficient because a volume of the capsule becomes smaller and further a velocity of an air flow caused by a suction of a smoker becomes faster.
- Such a problem is also reduced by using a cigarette having a capsule filter in which the value of the capsule ratio is set to 0.55 ≤ B/A ≤ 0.8 because the volume of the capsule with respect to the diameter of the filter increases in comparison with the conventional cigarette.
- When a finger presses a thing, if a degree of depression caused by pressing is large on a location at which the thing is pressed by the finger, the users feel that it is "hard", and have an impression that it is "difficult to break". Thus, in a case that a cigarette has a filter of a small diameter and a size of the capsule is also small, a force tends to concentrate on one point of the finger. Therefore, peoples strongly feel that it is more difficult to break the small capsule even though a load which is constant as a whole is applied to the small capsule. Even in such a cigarette that has a small diameter so that the people likely feel that it is difficult to break a capsule, a concentration of force on a finger can be mitigated by using a cigarette having a capsule filter whose capsule ratio is 0.55 ≤ B/A ≤ 0.8 and a feeling that it is difficult to break the capsule can be reduced.
- As a result of this, the present invention can be applied more suitably with a decreasing in an outer circumferential length of the chip paper such as 25 mm or less, 23 mm or less, 17 mm or less and 15 mm or less.
-
FIG. 10 shows a cigarette having a capsule filter as a second embodiment of the present invention. - A filter portion of this cigarette is different from that of the first embodiment. And, since the other portions of this cigarette are the same as those of the cigarette of the first embodiment, the other portions of this cigarette are denoted by the same reference characters as those denote the other portions of the cigarette of the first embodiment and detailed descriptions thereof are omitted.
- A
filter 4 of the second embodiment is structured by afilter plug 44, aweb paper 46 wound around thefilter plug 44 as an example of an outer-wrapping paper, and acapsule 48 embedded in thefilter plug 44. A filter of a structure in which a capsule is embedded inside the filter is called as an "embedded filter" in this specification. - The capsule, the filter plug, the chip paper, and the web paper similar to those described in the first embodiment can be used, and also each dimension of the cigarette described in the first embodiment can be used as that of the cigarette of the present embodiment.
- Since a forming method of the capsule of this embodiment is the same as that of the capsule of the first embodiment, descriptions of the forming method of the capsule of this embodiment are omitted herein.
- Also in the present embodiment, the
capsule 48 is destroyed before an indentation rate of thefilter plug 44 whenperipheral filters - A value of a capsule ratio B/A may be set to 0.55 ≤ B/A ≤ 0.75, preferably to 0.55 ≤ B/A ≤ 0.70, and a capsule deformation rate is equal to or less than 2/3.
- Since the capsule exists in the filter also in the cigarette with the filter according to the second embodiment, a pressure is applied on the
peripheral filters - However, since the capsule can be destroyed in the cigarette having the capsule filter according to the present embodiment when the indentation rate of the filter is equal to or less than a specific value (0.5), the user can feel it easier to break the capsule than in the conventional one.
- A cigarette having a conventional embedded filter tends to give a strong feeling that it is difficult to break the capsule because a filter exists in a
capsule location 43. Therefore, an application of the present invention is particularly effective. - Generally, in a cigarette having an embedded filter, a capsule is arranged inside fibers when the fibers are gathered in a process of creating a filter plug by gathering cellulose acetate fibers or the like in a rod shape.
- Therefore, when the value of the capsule ratio is set to 0.55 ≤ B/A ≤ 0.75 in the cigarette with the filter of the second embodiment formed as described above, the filter plug in a capsule position is pressed harder than the conventional one so that a pressure generated by user's fingers is more easily transferred to the capsule and the user can feel it easier to break the capsule.
- When considering a relationship between an ease in a break of the capsule and a pressure drop which is felt by a smoker while the user smokes, it is preferable that the value of the capsule ratio is set to 0.55 ≤ B/A ≤ 0.70 so that the pressure drop can be kept at a proper level (if the pressure drop is too high, it is difficult to smoke, and, if the pressure drop is too low, it is difficult to feel smoking) while the ease in the break of the capsule is maintained.
- Also in the present embodiment, as described above, the present invention can be applied more suitably with a decreasing in an outer circumferential length of the chip paper such as 25 mm or less, 23 mm or less, 17 mm or less and 15 mm or less.
-
FIG. 11 shows a cigarette as a third embodiment of the present invention. This embodiment uses a cavity filter similar to that in the first embodiment, and the same parts of the third embodiment as those of the first embodiment are denoted by the same reference characters as those used to denote the same parts of the first embodiment and the descriptions thereof are omitted. The present embodiment is different from the first embodiment in that a rolling paper is not used and an exudation preventingmolding paper 52 for preventing an exudation of a liquid for contents in the capsule is used as a molding paper. - As an example of the exudation preventing
molding paper 52, a water-resistant paper having a water resistance, an oil-resistant paper having an oil resistance, a water and oil resistant paper having a water resistance and oil resistance, or a paper on an inside of which a wax having a water resistance and/or an oil resistance and the like is coated may be used. In some cases, such molding paper has almost no air permeability. - Further, a
gap filling layer 56 is formed between the exudation preventingmolding paper 52 and each of filter plugs 54a, 54b to fill the gap between the exudation preventingmolding paper 52 and each of the filter plugs 54a, 54b. As the gap filling layer, an adhesive such as a paste or a hot melt adhesive may be used. When the paper on the inside of which a wax having a water resistance and/or an oil resistance and the like is coated is used, the wax can perform as the gap filling layer. - When a value of the capsule ratio is set to 0.55 ≤ B/A, a relatively large amount of liquid for contents can be held in the capsule. In this case, by constructing the cavity filter as the present embodiment, a possibility that the liquid for contents exudes out through the cavity filter when the liquid for contents flew out from the capsule in the hollow portion can be reduced.
- Naturally, an embedded filter can also be structured by using a gap filling layer and a rolling paper that prevents an exudation of a liquid for contents of a capsule like the above described exudation preventing molding paper.
Claims (13)
- A cigarette comprising:a tobacco rod (1); anda filter (2) including- a filter plug (24a, 24b, 44, 54a, 54b) formed from cellulose acetate fibers and connected to one end of the tobacco rod (1) and- a capsule (26, 48) in which contents (264) is held inside a film (262),wherein the capsule (26, 48) arranged inside the filter (2) is destroyed, by applying a pressure on two spots (e) on the filter plug (24a, 24b, 44, 54a, 54b) by the fingers of the user,the cigarette being characterized by the following features:an indentation rate of the filter plug (24a, 24b, 44, 54a, 54b) is defined as (C-D)/C, wherein C is a distance between spots (e) on the filter plug (24a, 24b, 44, 54a, 54b) before said pressure is applied thereto and D is a distance between spots (e') on the filter plug (24a, 24b, 44, 54a, 54b) after said pressure is applied thereto,wherein the capsule (26, 48) is configured to be destroyed when the indentation rate of the filter plug (24a, 24b, 44, 54a, 54b) is equal to or less than 0.5,and wherein the filter plug (24a, 24b, 44, 54a, 54b) is formed of cellulose acetate fibers of a filament denier between 5.0 g/9000 m to 14.0 g/9000 m extending parallel to a longitudinal direction of the cigaretteand the filter plug (24a, 24b, 44, 54a, 54b) is configured to generate a repulsive force, the repulsive force generated only by the filter plug (24a, 24b, 44, 54a, 54b) while the filter plug (24a, 24b, 44, 54a, 54b) is pressed increases in accordance with a first increasing rate with an increase of the indentation rate while the indentation rate is equal to or less than 0.5 and the repulsive force increases in accordance with a second increasing rate larger than the first increasing rate with the increase of the indentation rate while the indentation rate becomes larger than 0.5.
- The cigarette according to claim 1, wherein
the filter plug (24a, 24b, 44, 54a, 54b) includes a rod side plug (24a, 54a) and a holder side plug (24b, 54b), these plugs (24a, 24b, 54a, 54b) being spaced apart from each other via a hollow portion (22), and
the capsule (26) is arranged in the hollow portion (22) . - The cigarette according to claim 2, wherein
the tobacco rod (1) is a cylindrical shape,
the filter (2) is a cylindrical shape with a diameter A of the filter plugs (24a, 24b, 54a, 54b) perpendicular to the longitudinal direction of the cigarette,
the capsule (26) is circular in a cross sectional shape perpendicular to the longitudinal direction of the cigarette with a diameter B,
and, wherein a capsule ratio is defined as B/A and wherein a value of B/A is 0.55 ≤ B/A ≤ 0.80. - The cigarette according to claim 3, wherein the value of B/A is 0.55 ≤ B/A ≤ 0.75.
- The cigarette according to claim 4, wherein the value of B/A is 0.55 ≤ B/A ≤ 0.70.
- The cigarette according to claim 1, wherein the capsule (48) is embedded in the filter plug (44).
- The cigarette according to claim 6, wherein
the tobacco rod (1) is a cylindrical shape,
the filter (2) is a cylindrical shape with a diameter A of the filter plug (44) perpendicular to the longitudinal direction of the cigarette,
the capsule is circular in a cross sectional shape perpendicular to the longitudinal direction of the cigarette with a diameter B,
and, wherein a value of B/A is 0.55 ≤ B/A ≤ 0.75. - The cigarette according to claim 7, wherein the value of B/A is 0.55 ≤ B/A ≤ 0.70.
- The cigarette according to claim 1, wherein a chip paper (3) is wound around a periphery of a connecting portion at which the tobacco rod (1) and the filter (2) are connected, and
an outer circumferential length of the chip paper (3) is ≤ 25 mm. - The cigarette according to claim 9, wherein the outer circumferential length of the chip paper (3) is ≤ 23 mm.
- The cigarette according to claim 10, wherein the outer circumferential length of the chip paper (3) is ≤ 17 mm.
- The cigarette according to claim 11, wherein the outer circumferential length of the chip paper (3) is ≤ 15 mm.
- The cigarette according to any one of the preceding claims, wherein a filament denier of the filter plug (24a, 24b, 44, 54a, 54b) is 5.0 g/9000 m to 6.0 g/9000 m.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP20172337.6A EP3704960B8 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
PL12877676T PL2856890T3 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
EP20182859.7A EP3735845A1 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2012/063991 WO2013179429A1 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
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EP20182859.7A Division EP3735845A1 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
EP20172337.6A Division EP3704960B8 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
EP20172337.6A Division-Into EP3704960B8 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
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Publication Number | Publication Date |
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EP2856890A1 EP2856890A1 (en) | 2015-04-08 |
EP2856890A4 EP2856890A4 (en) | 2016-03-23 |
EP2856890B1 true EP2856890B1 (en) | 2020-07-08 |
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EP12877676.2A Revoked EP2856890B1 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
EP20172337.6A Active EP3704960B8 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
EP20182859.7A Pending EP3735845A1 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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EP20172337.6A Active EP3704960B8 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
EP20182859.7A Pending EP3735845A1 (en) | 2012-05-30 | 2012-05-30 | Cigarette |
Country Status (10)
Country | Link |
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EP (3) | EP2856890B1 (en) |
JP (1) | JP5710838B2 (en) |
KR (2) | KR101721741B1 (en) |
CN (1) | CN104379005B (en) |
ES (1) | ES2821430T3 (en) |
PL (1) | PL2856890T3 (en) |
RU (1) | RU2591138C1 (en) |
SG (1) | SG11201407530VA (en) |
TW (1) | TWI508671B (en) |
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CN105050435B (en) * | 2013-03-28 | 2020-10-27 | 菲利普莫里斯生产公司 | Smoking article comprising a flavour delivery member |
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UA120890C2 (en) * | 2015-08-28 | 2020-02-25 | Джей Ті Інтернешнл Ес. Ей. | Smoking article |
MX2018002274A (en) * | 2015-08-28 | 2018-09-11 | Jt Int Sa | Smoking article. |
JP6880079B2 (en) | 2016-07-07 | 2021-06-02 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | Smoking article mouthpiece for receiving insertion unit |
CN108652078A (en) * | 2018-06-29 | 2018-10-16 | 中国烟草总公司郑州烟草研究院 | A kind of quick-fried pearl cigarette with hollow cavity |
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Also Published As
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KR20170036817A (en) | 2017-04-03 |
ES2821430T3 (en) | 2021-04-26 |
EP3704960A1 (en) | 2020-09-09 |
WO2013179429A1 (en) | 2013-12-05 |
TW201347690A (en) | 2013-12-01 |
JPWO2013179429A1 (en) | 2016-01-14 |
EP3735845A1 (en) | 2020-11-11 |
KR101721741B1 (en) | 2017-04-10 |
SG11201407530VA (en) | 2015-01-29 |
PL2856890T3 (en) | 2021-01-25 |
TWI508671B (en) | 2015-11-21 |
EP3704960B8 (en) | 2022-07-13 |
KR20150003288A (en) | 2015-01-08 |
JP5710838B2 (en) | 2015-04-30 |
EP2856890A1 (en) | 2015-04-08 |
RU2591138C1 (en) | 2016-07-10 |
CN104379005A (en) | 2015-02-25 |
EP3704960B1 (en) | 2022-06-01 |
KR101913980B1 (en) | 2018-10-31 |
CN104379005B (en) | 2017-11-28 |
EP2856890A4 (en) | 2016-03-23 |
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