CN1261055C - Cigarette filter tip - Google Patents
Cigarette filter tip Download PDFInfo
- Publication number
- CN1261055C CN1261055C CNB008145601A CN00814560A CN1261055C CN 1261055 C CN1261055 C CN 1261055C CN B008145601 A CNB008145601 A CN B008145601A CN 00814560 A CN00814560 A CN 00814560A CN 1261055 C CN1261055 C CN 1261055C
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- Prior art keywords
- key element
- filter tip
- filter
- cigarette
- tip key
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 81
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000002657 fibrous material Substances 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims description 74
- 229920002301 cellulose acetate Polymers 0.000 claims description 47
- 238000009423 ventilation Methods 0.000 claims description 38
- 241000208125 Nicotiana Species 0.000 claims description 10
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 10
- 238000013022 venting Methods 0.000 claims description 9
- 229920003043 Cellulose fiber Polymers 0.000 claims description 4
- 229920006221 acetate fiber Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract 3
- 239000011800 void material Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 11
- 238000005273 aeration Methods 0.000 description 10
- 230000000391 smoking effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 6
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 235000013773 glyceryl triacetate Nutrition 0.000 description 3
- 239000001087 glyceryl triacetate Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229960002715 nicotine Drugs 0.000 description 3
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 3
- 229960002622 triacetin Drugs 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 241000345998 Calamus manan Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 235000020985 whole grains Nutrition 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
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention relates to cigarette filters. The object of the invention is to provide a method that suppress bias of filter's smoke stream and won't increase the poromeric resistance, can eliminate the harmful components of cigarette smoke and improve both of smoke taste and filtration efficiency stability. The cigarette filters in this invention contain filter factor (A) and filter factor (B) that formed with fiber materials. The filter factor (A) have core (10) and tape (12) that has gap stick around and roll paper (13) that is around tape. Between tape and roll paper form a void that communicate the long direction of filters. The void cover filter factor (A) sectional area ratio of 15 to 40%.
Description
Technical field
The present invention relates to the cigarette filter that smoking is used, more particularly when the passage use is set, flowing of air in the controlled filter mouth and cigarette, become the cigarette filter that outstanding taste can be provided, when the passage use is not set, can give the filter tip of using with the cigarette of high cigarette amount sense by cigarette by the filter tip peripheral part.
The application is based on the patent application (the flat 11-301758 of Japanese Patent Application number) to Japan, and the content that this Japanese publication is put down in writing is used as the part of this specification.
Background technology
Be accompanied by health guiding in recent years, smoker's hobby by high tar goods to the transition of low tar goods.The cigarette filter of using as this low tar goods, long-pending in order to strengthen specific fiber surface, use the thinner bunch fiber of the very thin degree of ultimate fibre or method such as passage is set on filter-tip side by known to the public.
But these methods can produce the increase that attracts impedance, because the inflow of aeration air diminishes the problem of taste etc.
As the filter tip that has solved such problem points, enumerated at Japan's publication communique (A) clear 56-64778 number special duplex filter tip shown in going up.
The filter tip of this duplex is to engage the structure that forms with the filter tip that has the structure of long fibre bundle at core having the filter tip done by the long fibre bundle and the paper tape of the trough of belt of venting quality below 8L/ divides on the periphery.And, since the venting quality of the paper tape of trough of belt is 8L/ divide below, on one side can suppress the moving bias current of plume in the filter tip, do not follow on one side the impedance of ventilating increase remove harmful components contained in the cigarette.
But, go up in the invention of record in Japan's publication communique (A) clear 56-64778 number, as the cigarette filter of end article, only exist the control of the venting quality of the paper tape by trough of belt not necessarily can access the problem of above-mentioned effect.
Summary of the invention
The present invention makes in order to solve aforementioned problems, and by new governing factor, the filter tip that will have high additive value more is as purpose.
Cigarette filter of the present invention, it is characterized in that, the filter tip key element (B) that has filter tip key element (A) and make by fibrous material, this filter tip key element (A) has the paper tape that is processed with groove of core and setting around it and the coiling paper that is provided with at this paper tape on every side, be formed on the coconnected space part of filter-tip length direction between this paper tape and coiling paper, aforementioned interspace portion shared ratio in the cross-sectional area of filter tip key element (A) is 15～40%.
At this, the ventilation impedance of the space part of filter tip key element (A) is 0～294Pa preferably.
In addition, the ventilation impedance of the core of filter tip key element (A) 490～1470Pa preferably.
The ventilation impedance of filter tip key element (A) is 98～196Pa preferably, and the ventilation impedance of aforementioned filter tip key element (B) is 294～1470Pa preferably.
It is that aforementioned filter tip key element (A), tobacco leaf side are the double filtration mouths that filter tip key element (B) cooperates that cigarette filter of the present invention can be made the suction inlet side, and perhaps also can make the suction inlet side is that aforementioned filter tip key element (B), tobacco leaf side are the double filtration mouths that filter tip key element (A) cooperates.
Have again, also can form passage, in this case, filter-tip ventilation rate preferably 30～60%.
The core of filter tip key element (A), and the fibrous material of filter tip key element (B) wish to make by the acetate fiber cellulose fiber, the paper tape of the trough of belt processing of filter tip key element (A) wishes to be made by the paper of cellulose acetate fibre forming.
In addition, have terminal paper on coiling paper, the venting quality of coiling paper wishes it is 10000～30000CU, and the venting quality of terminal paper wishes it is 300～600CU.
The core of filter tip key element (A) wishes to be made by the fibrous material of fibrousness 1.5～8.8dtex, and it is to be made by the fibrous material below the fibrousness 3.3dtex that filter tip key element (B) is wished.
Description of drawings
Fig. 1 is the stereogram of the example of expression cigarette filter of the present invention.
Fig. 2 is that the space part of filter tip key element (A) is the profile of 20% example.
Fig. 3 is that the space part of filter tip key element (A) is the profile of 24% example.
Fig. 4 is that the space part of filter tip key element (A) is the profile of 33% example.
The specific embodiment
Cigarette filter of the present invention has filter tip key element (A) and filter tip key element (B) at least.
Filter tip key element (A), for example shown in Figure 1, have the core 10 of heart portion setting therein and paper tape 12 and the coiling paper 13 that around it, is provided with.In addition, coiling paper can also make with the shared form of filter tip key element (B) except only being arranged at filter tip key element (A).Also have, coiling paper can use well-known various paper.
" core "
Core 10 is as cigarette filter tip materials, and the angle from the taste of the stability of filter tip manufacturing, cigarette is made for suitable by the cellulose acetate fibre bundle.
When cigarette filter of the present invention is used as the filter tip of ventilating, allow aeration air,, the cigarette of cigarette is not diluted by air by only allowing the cigarette of cigarette pass through core selectively by the space part of setting around core.In addition, when the passage use was not set, in order to allow the cigarette of cigarette flow through the space part that is provided with selectively around core, the ventilation impedance of core was 490～1470Pa (50～150mmH
2O) being advisable, is that the fibrous material with 1.5～8.8dtex fiber number is advisable.
In addition, the ventilation impedance of core, behind the coiling paper of strip off filter tip key element (A), making fluid only flow to core by the trench portions with periphery with elastomeric filling member covering can measure.
" paper tape "
The paper tape of being processed by trough of belt 12 is being set around core.This paper tape be have the width that can encase core, by the finished paper tape of trough of belt.This paper tape of being made wave-like etc. by trough of belt processing is wrapping core, and to become the garden bar-shaped, and when around it coiling paper 13 being set, the space part that formation is communicated with along filter-tip length direction between the trench portions of this paper tape 12 and coiling paper 13.
The paper tape of trough of belt processing is preferably formed by the thin slice of making behind the processing acetate fiber cellulose fiber that is shaped from the angle of taste.
" space part "
In the paper tape of above-mentioned trough of belt processing and the space part that between its coiling paper that is twining, the forms ratio of 15～40% in the filter tip cross-sectional area preferably, preferably has 0～294Pa (0～30mmH on every side
2O) ventilation impedance.
For example, it is the most suitable that space part 14 proportions as shown in Figure 2 are 20%, space part proportion as shown in Figure 3 is 24%, 14 proportions of space part as shown in Figure 4 are 33% filter tip etc.
The ratio of this space part is under the situation of less than 15%, and the groove peak part that the fibre bundle that uses at core can not enter the paper tape of trough of belt processing might produce the filling spot and become uneven filter tip in groove peak part.Have again, when importing aeration air,, bad with feeling that earlier air makes on the taste because the flow velocity of aeration air accelerates.In addition, under the situation that does not import aeration air, if the ratio less than 15% of space part, the ventilation impedance of space part will uprise, and make cigarette be not easy to flow through space part.
On the one hand, the ratio of space part surpasses under 40% the situation, and filter-tip rigidity step-down might be able to not form practical filter tip.Have again, the decline that the filter efficiency when making smoking is extreme, effect is unsatisfactory.
As the integral body of filter tip key element (A), its ventilation impedance is 98～196Pa (10～20mmH
2O) be advisable.If not enough 98Pa, the decline of the filter efficiency during smoking is remarkable, if surpass 196Pa, is difficult to separate cigarette and air when importing aeration air.
Ventilation rate when using as the ventilation filter tip is 30～60% to be advisable, if under the situation of ventilation rate less than 30%, will be difficult to separate cigarette and aeration air.In addition, if under 60% the situation of surpassing,, do not had the sensation of smoking as the ventilation impedance step-down of cigarette.
" filter tip key element (B) "
Filter tip key element (B) is made by fibrous material, and the angle from the taste of the stability of filter tip manufacturing, cigarette is made for suitable by the cellulose acetate fibre bundle.Also having, from the angle of filter efficiency, is that fiber number is that the following fibrous material of 3.3dtex, ventilation impedance are 294～1470Pa (30～150mmH
2O) be advisable.If not enough 294Pa, the remarkable decline of the filter efficiency during smoking is filtered excessive if surpass 1470Pa, thereby is made the taste of cigarette very light.
In double filtration mouth, they can be arranged at any side in suction inlet side and the tobacco leaf side with each 1 filter tip key element (A) and filter tip key element (B).
When filter tip key element (A) is arranged at the suction inlet side, can a glance give in appearance the smoker's feel it is special filter tip, when filter tip key element (A) is arranged at the tobacco leaf side, can bring in appearance accident identical with common filter tip and that taste is different to the smoker.
Be provided with under the situation of passage on filter tip key element (A) and the duplex filter tip that filter tip key element (B) is docked, ventilation rate is 30～60% to be advisable as previously mentioned, the venting quality of the coiling paper that twining is 10000～30000CU around filter tip key element (A) at this moment, and the venting quality of the terminal paper that is twining at most peripheral wishes it is 300～600CU.Have again, when the ventilation impedance of aforesaid filter tip key element (A), core, filter tip key element (B) is made up, by being made into the ventilation rate of this scope, make aeration air flow through the paper tape of trough of belt processing and the space part between the coiling paper selectively, make the drift core of cigarette on the one hand, the cigarette of cigarette is not arrived in smoker's the mouth dilutedly by aeration air, can access aromatic taste.
In addition, under the situation that passage is not set, the cigarette of cigarette flows through space part selectively, can give and the sense of the high cigarette amount of smoker.
" manufacture method example "
Cigarette filter of the present invention for example can be made by the following method.
The finished paper tape of trough of belt of filter tip key element (A), for example fibre bundle is opened fibre after, add the plasticizer of triacetin etc. equably, by state its heated roller of using by groove processing is obtained at the width that converges to regulation.
Filter tip key element (A), for example fibre bundle is opened the plasticizer that triacetin etc. is added in fine back with common filter tip roll-up device, when boundling becomes the garden bar-shaped, obtain by constantly rolling with wrapping into its periphery with the finished paper tape of aforementioned trough of belt, integral body being rolled with coiling paper.
Filter tip key element (B) for example can be made fibre bundle with common filter tip roll-up device on the one hand.
Wrap up in combination by the filter tip key element (A) that will obtain with (B) with coiling paper and terminal paper bag, can produce cigarette filter.
In addition, in the above description, be will have respectively the double filtration mouth of each 1 filter tip key element (A) and filter tip key element (B) as example, but not necessarily be defined in this.For example, also go between 2 filter tip key elements (B), inserting and putting the filter tip etc. of triple structures that filter tip key element (A) constitutes.
Embodiment
As described below, produce filter tip and use it to constitute cigarette, estimate its characteristic.
In addition, mensuration project is in an embodiment measured by method shown below respectively.
The ventilation impedance of＜filter tip and cigarette 〉
The ventilation impedance according to courage study in France (コ レ ス method) use and to add rattan industry system " the OTIC formula attracts the impedance measuring device " and measure.
The mensuration of the TPM in the cigarette of＜cigarette, tar, nicotine 〉
Use the rotary-type smoking apparatus " RM20/CS " of ボ Le グ ワ Le ト corporate system, study in France according to courage and measure because the smoking capacity of the wholegrain subconstiuent (Total Particulate Matter:TPM) in the cigarette of smoking, tar, nicotine.
1. embodiment 1～12
After opening fibre, the heated roller that the cellulose acetate fibre bundle that has added triacetin is used by groove processing, make the paper tape of the height 0.5mm at separation 0.9mm, groove peak, make filter tip key element (A) with space part of 24% with wrapping into around the other cellulose acetate fibre bundle.This is docked with the filter tip key element (B) that is rolled into usual way make the double filtration mouth.
The double filtration mouth that obtains is twined cellotape with tobacco leaf portion be connected, produce cigarette.
In addition, in the configurating filtered mouth key element of cigarette holder side (A).Also have, the center that is provided with its perforate of passage all is positioned at and the position of cigarette holder from 12.5mm.Therefore, the length of filter tip key element (A) is the filter tip of 15mm, and passage is formed at filter tip key element (A), and the length of filter tip key element (A) is the filter tip of 10mm, and passage is formed at filter tip key element (B).
Tobacco leaf partly uses the same tobacco leaf part that constitutes outside the filter tip part of removing with the trade name " Marlboro " of PHILIP MORRIS corporate system.
The formation transitivity of the resulting double filtration mouth of expression and the evaluation result of cigarette in table 1～4.
2. Comparative Examples 1～3
As common cigarette filter, produce the cigarette filter of the equalization of making by the cellulose acetate fibre bundle structure that has only filter tip key element (B).The cigarette filter that obtains similarly partly is connected with tobacco leaf with embodiment 1～12, produces cigarette.
At table 3, the formation transitivity of the resulting double filtration mouth of expression and the evaluation result of cigarette in 4.
3. Comparative Examples 4
Except the space part of filter tip key element (A) is 45%, make the double filtration mouth similarly to Example 1, because low, filter tip key element (A) softness of rigidity of the finished paper tape of trough of belt is difficult to the bar-shaped double filtration mouth in the garden of making.
4. Comparative Examples 5
Except the space part of filter tip key element (A) is 12%, make the double filtration mouth similarly to Example 1, the cellulose acetate fibre bundle that is used for core can not enter the groove peak part of the finished paper tape of trough of belt, inhomogeneous in groove peak part generation filling, is difficult to be called impartial filter tip.
*In table 1～3, the record of 2.42Y/33000 is that expression single fiber degree is that 2.42dtex, Y type cross section, total fiber number are 33000dtex.
Table 1
| Filter tip key element (A) | Filter tip key element (B) | ||||||||||||||||
| Core | Paper tape | Space part (%) | Ventilation impedance (Pa) | Core ventilation impedance | Filter tip long (mm) | Coiling paper (CU) | Fibrous material | Single fiber degree (dtex) | Cross section | Total fiber number (dtex) | Ventilation impedance (Pa) | Filter tip long (mm) | Coiling paper (CU) | ||||
| Material | Single fiber degree (dtex) | Cross section | Total fiber number (dtex) | Material | |||||||||||||
| Embodiment 1 | Cellulose acetate fat fibre bundle | 2.09 | The Y type | 48400 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 176 | 970 | 15 | 30000 | Cellulose acetate fat fibre bundle | 1.65 | The Y type | 48400 | 784 | 10 | Common paper |
| Embodiment 2 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 172 | 1029 | 15 | 30000 | Cellulose acetate fat fibre bundle | 1.65 | The Y type | 48400 | 784 | 10 | Common paper |
| Embodiment 3 | Cellulose acetate fat fibre bundle | 4.4 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 157 | 666 | 15 | 30000 | Cellulose acetate fat fibre bundle | 1.65 | The Y type | 48400 | 784 | 10 | Common paper |
| Embodiment 4 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 1.65 | The Y type | 48400 | 794 | 10 | 10000 |
| Embodiment 5 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 1.65 | The Y type | 48400 | 794 | 10 | 10000 |
Table 2
| Filter tip key element (A) | Filter tip key element (B) | ||||||||||||||||
| Core | Paper tape | Space part (%) | Ventilation impedance (Pa) | Core ventilation impedance | Filter tip long (mm) | Coiling paper (CU) | Fibrous material | Single fiber degree (dtex) | Cross section | Total fiber number (dtex) | Ventilation impedance (Pa) | Filter tip long (mm) | Coiling paper (CU) | ||||
| Material | Single fiber degree (dtex) | Cross section | Total fiber number (dtex) | Material | |||||||||||||
| Embodiment 6 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 1.65 | The Y type | 48400 | 794 | 10 | 10000 |
| Embodiment 7 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 2.09 | The Y type | 48400 | 559 | 10 | 10000 |
| Embodiment 8 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 2.09 | The Y type | 48400 | 559 | 10 | 10000 |
| Embodiment 9 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 2.09 | The Y type | 48400 | 559 | 10 | 10000 |
| Embodiment 10 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 3.3 | The Y type | 38500 | 294 | 10 | 10000 |
Table 3
| Filter tip key element (A) | Filter tip key element (B) | ||||||||||||||||
| Core | Paper tape | Space part (%) | Ventilation impedance (Pa) | Core ventilation impedance | Filter tip long (mm) | Coiling paper (CU) | Fibrous material | Single fiber degree (dtex) | Cross section | Total fiber number (dtex) | Ventilation impedance (Pa) | Filter tip (mm) | Coiling paper (CU) | ||||
| Material | Single fiber degree (dtex) | Cross section | Total fiber number (dtex) | Material | |||||||||||||
| Embodiment 11 | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 3.3 | The Y type | 38500 | 294 | 10 | 10000 |
| | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 2.42Y/33000 cellulose acetate fat fibre bundle | 24 | 118 | 686 | 10 | 30000 | Cellulose acetate fat fibre bundle | 3.3 | The Y type | 38500 | 294 | 10 | 10000 |
| Comparative Examples 1 | - | - | - | - | - | - | - | - | - | - | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 840 | 20 | Common paper |
| Comparative Examples 2 | - | - | - | - | - | - | - | - | - | - | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 779 | 20 | 7000 |
| Comparative Examples 3 | - | - | - | - | - | - | - | - | - | - | Cellulose acetate fat fibre bundle | 2.42 | The Y type | 44000 | 751 | 20 | 7000 |
Table 4
| The evaluation of cigarette | |||||||
| Terminal paper (CU) | Filter tip ventilation impedance (Pa) | Ventilation (%) | Cigarette ventilation impedance (Pa) | Filterability (%) | |||
| TPM | Tar | Nicotine | |||||
| Embodiment 1 | 300 | 715 | 45 | 911 | 67.6 | 63.4 | 57.8 |
| Embodiment 2 | 300 | 853 | 48 | 853 | 66.6 | 64.8 | 57.3 |
| Embodiment 3 | 300 | 657 | 46 | 833 | 66.6 | 62.1 | 55.6 |
| Embodiment 4 | No perforate | 1009 | - | 1499 | 57.2 | 54.5 | 46.1 |
| Embodiment 5 | 300 | 804 | 34 | 1049 | 61.3 | 60.8 | 49.2 |
| Embodiment 6 | 600 | 686 | 57 | 794 | 71.4 | 70.8 | 60.0 |
| Embodiment 7 | No perforate | 715 | - | 1215 | 52.5 | 48.8 | 39.4 |
| Embodiment 8 | 300 | 608 | 31 | 882 | 56.4 | 55.9 | 41.3 |
| Embodiment 9 | 600 | 529 | 55 | 666 | 63.7 | 64.0 | 50.7 |
| Embodiment 10 | No perforate | 441 | - | 921 | 43.6 | 42.5 | 28.2 |
| Embodiment 11 | 300 | 402 | 30 | 706 | 46.0 | 45.6 | 32.7 |
| | 600 | 363 | 51 | 529 | 57.7 | 55.0 | 39.7 |
| Comparative Examples 1 | No perforate | 840 | - | 1343 | 59.2 | 54.6 | 38.4 |
| Comparative Examples 2 | 300 | 779 | 29 | 1068 | 59.4 | 54.1 | 42.0 |
| Comparative Examples 3 | 600 | 751 | 47 | 892 | 57.9 | 51.5 | 41.4 |
It is outstanding that cigarette and the cigarette of Comparative Examples 2,3 that has connected the double filtration mouth of the embodiment 1～3,5,6,8,9,11,12 that passage is being set is compared taste.
In addition, the cigarette that has connected the double filtration mouth of the embodiment 4,7,10 that passage is not set compare the sense of cigarette amount with the cigarette of Comparative Examples 1 many.
Cigarette filter of the present invention is being provided with under the situation of passage, be not supplied the outstanding cigarette filter of taste of cigarette amount dilutedly by aeration air, under the situation that passage is not set, the cigarette that flows through space part selectively can bring high cigarette amount sense, is the high cigarette filter of surcharge.
Have, when the ventilation impedance of the space part of filter tip key element (A) was 0～294Pa, taste and filter effect were better again.
Under the prerequisite that does not break away from spirit of the present invention or principal character, can implement other various forms.Therefore, aforesaid embodiment only sees just example from various angles, should not make an explanation limitedly.Scope of the present invention is represented by the scope of claim, is not subjected to any restriction of specification text.Have, the distortion or the change that belong to the impartial scope of claim scope are within the scope of the present invention entirely again.
Claims (12)
1. cigarette filter, it is characterized in that, the filter tip key element (B) that has filter tip key element (A) and constitute by fibrous material, this filter tip key element (A) has core and the paper tape of trough of belt processing of being provided with around it and the coiling paper that is provided with around this paper tape, between this paper tape and coiling paper, be formed on the coconnected space part of filter-tip length direction, aforementioned interspace portion shared ratio in the cross-sectional area of filter tip key element (A) is 15～40%, the ventilation impedance of the space part of aforementioned filter tip key element (A) is 0～294Pa, and the ventilation impedance of the core of aforementioned filter tip key element (A) is 490～1470Pa.
2. cigarette filter as claimed in claim 1 is characterized in that, the ventilation impedance of aforementioned filter tip key element (A) is 98～196Pa, and the ventilation impedance of aforementioned filter tip key element (B) is 294～1470Pa.
3. cigarette filter as claimed in claim 1 or 2 is characterized in that, it is that the suction inlet side is that aforementioned filter tip key element (A), tobacco leaf side are the double filtration mouths that aforementioned filter tip key element (B) is configured.
4. cigarette filter as claimed in claim 1 or 2 is characterized in that, it is that the suction inlet side is that aforementioned filter tip key element (B), tobacco leaf side are the double filtration mouths that aforementioned filter tip key element (A) is configured.
5. cigarette filter as claimed in claim 1 or 2 is characterized in that, is forming passage.
6. cigarette filter as claimed in claim 5 is characterized in that filter-tip ventilation rate is 30～60%.
7. cigarette filter as claimed in claim 1 or 2 is characterized in that, the core of aforementioned filter tip key element (A) is made of the acetate fiber cellulose fiber.
8. cigarette filter as claimed in claim 1 or 2 is characterized in that, has terminal paper in aforesaid roll on paper, and the venting quality of coiling paper is 10000～30000CU, and the venting quality of terminal paper is 300～600CU.
9. cigarette filter as claimed in claim 1 or 2 is characterized in that, the paper tape of the trough of belt processing of aforementioned filter tip key element (A) is to be made of the paper with the cellulose acetate fibre forming.
10. cigarette filter as claimed in claim 1 or 2 is characterized in that, the fibrous material of aforementioned filter tip key element (B) is to be made of the acetate fiber cellulose fiber.
11. cigarette filter as claimed in claim 1 or 2, it is characterized in that, the core of aforementioned filter tip key element (A) is that the fibrous material by fibrousness 1.5～8.8dtex constitutes, and aforementioned filter tip key element (B) is to be made of the fibrous material below the fibrousness 3.3dtex.
12. a cigarette is characterized in that, has the described cigarette filter of claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30175899A JP2001120249A (en) | 1999-10-22 | 1999-10-22 | Filter tip |
| JP301758/99 | 1999-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1382023A CN1382023A (en) | 2002-11-27 |
| CN1261055C true CN1261055C (en) | 2006-06-28 |
Family
ID=17900825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008145601A Expired - Fee Related CN1261055C (en) | 1999-10-22 | 2000-10-18 | Cigarette filter tip |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2001120249A (en) |
| KR (1) | KR100468885B1 (en) |
| CN (1) | CN1261055C (en) |
| TW (1) | TWI224952B (en) |
| WO (1) | WO2001030183A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210487A (en) * | 2011-04-13 | 2011-10-12 | 南通烟滤嘴有限责任公司 | Double-cavity section type cigarette filter tip |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2394394A (en) * | 2002-10-23 | 2004-04-28 | Filtrona Int Ltd | Tobacco smoke filter |
| JPWO2007000937A1 (en) * | 2005-06-29 | 2009-01-22 | 三菱レイヨン株式会社 | Cigarette with filter |
| GB0604790D0 (en) * | 2006-03-10 | 2006-04-19 | British American Tobacco Co | Active patch filler (apf) |
| CN100542441C (en) * | 2006-04-24 | 2009-09-23 | 山东中烟工业公司 | The novel filter tip of a kind of cigarette |
| US8113215B2 (en) | 2007-06-21 | 2012-02-14 | Philip Morris Usa Inc. | Smoking article filter having liquid additive containing tubes therein |
| GB0800216D0 (en) * | 2008-01-07 | 2008-02-13 | British American Tobacco Co | Smoking article |
| KR101340673B1 (en) * | 2011-09-05 | 2013-12-12 | 주식회사 케이티앤지 | Cigarette filter |
| CN102793268A (en) * | 2012-08-14 | 2012-11-28 | 广东中烟工业有限责任公司 | Cigarette filter stick capable of improving selective harm reduction effect |
| GB201311450D0 (en) * | 2013-06-27 | 2013-08-14 | British American Tobacco Co | A method and an apparatus for manufacturing a filter for a smoking article |
| CN107259639B (en) * | 2017-07-28 | 2019-10-01 | 四川三联新材料有限公司 | A kind of smoking article and its manufacturing method |
| US11582997B2 (en) | 2017-11-28 | 2023-02-21 | Philip Morris Products S.A. | Aerosol generating article having a mouthpiece with a modified structure |
| KR102332541B1 (en) * | 2018-11-23 | 2021-11-29 | 주식회사 케이티앤지 | Article for generating aerosol |
| WO2021176527A1 (en) * | 2020-03-02 | 2021-09-10 | 日本たばこ産業株式会社 | Filter, smoking article, and flavor inhalation article |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5664778A (en) * | 1979-10-29 | 1981-06-02 | Mitsubishi Rayon Co | Tobacco filter |
| GB2119221B (en) * | 1982-04-05 | 1986-05-29 | Filtrona Ltd | Cigarette filter |
| JPS6048156B2 (en) * | 1982-07-07 | 1985-10-25 | 三菱アセテート株式会社 | tobacco smoke filter |
-
1999
- 1999-10-22 JP JP30175899A patent/JP2001120249A/en active Pending
-
2000
- 2000-10-18 KR KR10-2002-7004931A patent/KR100468885B1/en not_active IP Right Cessation
- 2000-10-18 WO PCT/JP2000/007215 patent/WO2001030183A1/en active IP Right Grant
- 2000-10-18 CN CNB008145601A patent/CN1261055C/en not_active Expired - Fee Related
- 2000-10-20 TW TW089122069A patent/TWI224952B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210487A (en) * | 2011-04-13 | 2011-10-12 | 南通烟滤嘴有限责任公司 | Double-cavity section type cigarette filter tip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1382023A (en) | 2002-11-27 |
| JP2001120249A (en) | 2001-05-08 |
| TWI224952B (en) | 2004-12-11 |
| WO2001030183A1 (en) | 2001-05-03 |
| KR20020037386A (en) | 2002-05-18 |
| KR100468885B1 (en) | 2005-02-02 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Co-patentee after: Japan Filter Technology K. K. Patentee after: Mitsubishi Kasei Corporation Address before: Tokyo, Japan Co-patentee before: Japan Filter Technology K. K. Patentee before: Mitsubishi Reiyon Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 Termination date: 20191018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |