CN102159102A - Filter for a smoking article - Google Patents
Filter for a smoking article Download PDFInfo
- Publication number
- CN102159102A CN102159102A CN2009801362399A CN200980136239A CN102159102A CN 102159102 A CN102159102 A CN 102159102A CN 2009801362399 A CN2009801362399 A CN 2009801362399A CN 200980136239 A CN200980136239 A CN 200980136239A CN 102159102 A CN102159102 A CN 102159102A
- Authority
- CN
- China
- Prior art keywords
- filter
- pipe tobacco
- filter cell
- filtering material
- cell
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/17—Filters specially adapted for simulated smoking devices
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—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
- A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
Abstract
The invention provides a filter element for a smoking article. The filter element comprises a plug of filter material, and a tobacco thread, wherein the tobacco thread extends substantially longitudinally through the plug of filter material. The filter element can be used in a variety of smoking articles.
Description
Technical field
The present invention relates to be used for the filter of smoking article.
Background technology
As everyone knows, when smoking, the filtration of smog in the cigarette of smoking article-for example may influence the taste and the flavor characteristics of product.Filter comprises the active carbon of sorbing material-for example usually, some component when reducing smoking in the smog.Yet the active carbon in the filter may have a negative impact to the taste and/or the flavor characteristics of cigarette.
Summary of the invention
Therefore, in first aspect, the invention provides a kind of filter cell that is used for smoking article, this filter cell comprises the filter stick and the pipe tobacco of filtering material, wherein pipe tobacco substantially longitudinal extension pass the filter stick of filtering material.
The inventor has been found that pipe tobacco vertically is provided with the local flavor of the smog (it comprises gas and particle matter) that has improved smoker's suction significantly substantially.
Preferably, between two reverse mutually end faces of the filter stick of filtering material, pipe tobacco is longitudinal extension substantially.Preferably, pipe tobacco extends along the direction of the filter stick side that is parallel to filtering material substantially, and this side is preferably vertical or all vertical with two end faces substantially with an end face substantially.Preferably, pipe tobacco extends through filtering material inside, and be filtered rings of material around.Preferably, pipe tobacco extends through the central authorities of the filter stick of filtering material substantially.
Advantageously, pipe tobacco is arranged on when air-flow passes filter cell very the position near air flow path, and therefore can influence the various characteristics of air-flow before air-flow arrives in smoker's the mouth.In addition, because pipe tobacco vertically is arranged in the filter stick of filtering material substantially, so its direction or speed to air-flow does not have adverse effect, and therefore the smoker can not discover the significant difference of smoking resistance.
Pipe tobacco can comprise broken pipe tobacco, tobacco powder, reconstituted tobacco and/or cut tobacco.Yet pipe tobacco preferably includes baccy fiber and/or reconstituted tobacoo.Can use techniques well known in the art to prepare pipe tobacco.Only for instance, slurry can be prepared into and comprise tobacco particle (for example tobacco powder and/or tobacco stem), and preferably includes suitable adhesive.Slurry may be interspersed within on the conveyer of area supported-for example, thereby forms moistening reconstituted tobacoo.Then, moistening reconstituted tobacoo can be heated-for example use oven heat with the oven dry slurry, thereby form reconstituted tobacoo.The pipe tobacco that the reconstituted tobacoo cutting can be had then, suitable dimension with formation.
The diameter of pipe tobacco can be between about 0.2mm to 5mm, and preferably approximately between the 0.4mm to 3mm.
In case prepare, pipe tobacco can be embedded into filtering material subsequently to form the filter cell of first aspect.The filter stick of filtering material can comprise any suitable filter media known to those skilled in the art.Preferred filtering material comprises cellulose acetate.The filter stick diameter of filtering material can be approximately between the 5mm to 15mm, preferably between 6mm to 12mm, more preferably between 7mm to 11mm, and most preferably between 8mm to 10mm.The diameter of filter stick can be between 5mm to 10mm.
Preferably, the filter stick diameter of filtering material and the ratio of pipe tobacco diameter are between 2:1 to 25:1, and more preferably between 4:1 to 10:1.
Filter cell can contain flavorant.In the embodiment that has used flavorant, flavorant can be attached in the filter stick of filtering material.Yet flavorant preferably is attached in the pipe tobacco.In a single day pipe tobacco forms and can immerse in the container that contains flavorant.Yet flavorant preferably is contained in the slurry of preparation pipe tobacco.
Should be understood that can be used for the manufacturing of filter according to the filter cell of first aspect, described filter is used for smoking article.
Therefore, according to a second aspect of the invention, provide a kind of filter that is used for smoking article, this filter comprises the filter cell according to first aspect.
The filter of second aspect can comprise a plurality of filter cells according to first aspect, and in described first aspect, pipe tobacco extends through the filter stick of filtering material.For example, filter can comprise the filter cell of 2,3,4,5 or more a plurality of first aspects, in described filter, or the adjacent filter element can be connected to each other, or available other filter cells (may not according to first aspect) are separated from one another with filter cell.
Therefore, filter can comprise a plurality of filter cells, and at least one in described a plurality of filter cells is filter cell according to a first aspect of the invention.For example, imagination in one embodiment, except comprising that one or more the filter of second aspect also can comprise the adsorptivity filter cell according to the first aspect filter cell of (promptly containing pipe tobacco), this adsorptivity filter cell comprises sorbing material.Provide this adsorptivity filter cell to absorb and therefore to reduce some component of smog when the smoking.The adsorptivity filter cell can comprise that the filter stick-sorbing material of filtering material is dispersed in the filter stick of this filtering material.Filtering material can be a cellulose acetate.Preferred sorbing material is an active carbon.Active carbon can be the form of granular active carbon, and the volume that this active carbon preferably spreads all over the filter stick of filtering material substantially distributes.Preferably, the adsorptivity filter cell does not comprise pipe tobacco.
In another embodiment, one or more except comprising according to the first aspect filter cell of (promptly containing pipe tobacco), the filter of second aspect also can comprise filter cell, and this filter cell comprises filtering material (for example cellulose acetate) but do not comprise pipe tobacco or sorbing material.
Filter can comprise at least two and preferably include at least three filter cells, as long as wherein at least one filter cell is according to first aspect.Preferably, filter comprises filter cell according to first aspect, comprises the adsorptivity filter cell of adsorbent and the filter cell that does not comprise adsorbent or pipe tobacco.Preferably, a plurality of filter cells longitudinally are arranged to the end face of a filter cell and the end face of adjacent filter element is adjacent to each other each other.Preferably, filter cell has substantially similarly diameter.Should be understood that, illustrate that various filter cells can be with any arranged in order in filter as Fig. 3 and Fig. 4.
The filter cell of first aspect or the filter of second aspect can be incorporated in the smoking article.
Therefore, according to a third aspect of the invention we, provide a kind of smoking article, this smoking article comprises according to the filter cell of first aspect or according to the filter of second aspect.
Smoking article preferably includes the tobacco of a part of smokeable material-for example.As used herein, term " smoking article " comprises the product that can aspirate-for example cigarette, cigar and cigarlet (no matter whether based on tobacco), tobacco growth, tobacco, reconstituted tobacco or the tobacco of broad sense and the incombustible product that is heated in addition.
Available tipping paper is attached with the part and the filter of smokeable material.
According to a forth aspect of the invention, provide a kind of method of making the filter cell of smoking article, this method comprises the pipe tobacco that the filter stick that passes filtering material is provided, wherein pipe tobacco substantially longitudinal extension pass the filter stick of filtering material.
This method preferably includes the step of pipe tobacco being put into substantially the central authorities of filtering material.This method can comprise that the tow when filtering material uses guiding elements to guide pipe tobacco when pipe tobacco forms.Guiding elements can comprise guiding tube, drags pipe tobacco by this guiding tube.When pipe tobacco withdraws from guiding elements, pipe tobacco preferably be filtered rings of material around.
The institute of all features described here (comprising any claims, specification digest and accompanying drawing) and/or disclosed any method or process can make up arbitrarily with any above-mentioned aspect in steps, unless some described feature and/or step are mutual exclusions at least in some combination.
Description of drawings
In order to understand the present invention better and to show how embodiments of the present invention are implemented, and will consult accompanying drawing by example now, in the accompanying drawings:
Fig. 1 shows the stereogram of smoking article, this smoking article comprise smokeable material bar, be attached at together tipping paper according to filter of the present invention and with this bar and filter;
Fig. 2 shows the cutaway view according to first embodiment of filter of the present invention;
Fig. 3 shows the cutaway view of second embodiment of filter; And
Fig. 4 shows the cutaway view of the 3rd embodiment of filter.
The specific embodiment
Consult Fig. 1, there is shown the smoking article 2 of cigarette form, this smoking article comprises according to filter 4 of the present invention.Should be understood that though the smoking article 2 among the figure illustrates with cigarette, smoking article 2 can adopt other forms-for example cigar and cigarlet etc., these smoking articles also can comprise according to filter 4 of the present invention.Consult Fig. 1, smoking article 2 comprises the bar 6 of tobacco of the smokeable material that is substantially column of paper bag-for example, and this bar is attached to filter 4 coaxially by tipping paper 8, and this tipping paper is pasted around an end of bar 6 and filter 4.
Consult Fig. 2, there is shown first embodiment of the filter 4 that is attached to tobacco rods 6.In this embodiment, filter 4 is made of the single filter cell 12 that length is about 27mm, and the filtering material 20(that this filter cell 12 comprises diameter 9mm is cellulose acetate for example) continuous filter stick.Filter cell 12 has and is substantially the first circular end face 22 and is substantially the second circular end face 24, and substantially perpendicular to first end face 22 and second end face 24 circumferentially or the side 26 of longitudinal extension.As shown in Figure 2, the diameter that passes the thin pipe tobacco 10 that the filter stick of filtering material 20 extends between both ends of the surface 22,24 is 0.8mm.This pipe tobacco is parallel with longitudinal extension face 26 substantially, and extends through the central authorities of the filter stick of filtering material 20 substantially, thereby forms core.
The diameter of the pipe tobacco 10 of gained approximately is 0.8mm, and pipe tobacco is placed into the central authorities of filtering material 20 subsequently.Be a kind ofly when making filter cell 12, pipe tobacco 10 to be inserted the method for the filter stick of filtering material 20 below.This method relates to and drags pipe tobacco 10 and make it pass the tube chamber of the guiding tube of the about 1.5mm of diameter.Simultaneously, a collection of fiber filter material 20(cellulose acetate for example) pass a series of roughing mills with they decurls.When pipe tobacco 10 withdrawed from guiding tube, the filtering material 20 of decurl formed tow around pipe tobacco 10, thereby formed the continuous bar with the filtering material 20 of pipe tobacco 10 sealings.This bar can be cut into several portions subsequently to produce complete filter cell 12 as shown in Figure 2.The length of filter cell 12 will depend on the desired type of filter 4.For example, the length of the cigarette filter 4 of standard approximately is 27mm.In the embodiment shown in Fig. 2, the filter 4 of the about 27mm of total length comprises filter cell 12, so that pipe tobacco 10 omnidistance extensions.Yet Fig. 3 and Fig. 4 show other embodiments, and be as described below, comprises the shorter part of the filter cell 12 that contains pipe tobacco 10 at these embodiment middle filtrators 4, should short part combine with other parts.
Consult Fig. 3, there is shown second embodiment of the filter 4 that is attached to tobacco rods 6.Filter 4 comprises a plurality of discontinuous filter cells that have nothing in common with each other 12,14,16, and each all has different material compositions.In this embodiment, filter 4 comprises three different filter cells 12,14,16.Shape be substantially column filter cell 12,14,16 each all have the diameter that equates substantially. Filter cell 12,14,16 each all by the sheeting packing of one deck wrapping paper form that is called as the plug wrap (not shown), described plug wrap can be formed by the paper material of routine.Filter cell 16 will be from tobacco rods 6 (filter cell 16 will be nearest from smoker's mouth in use) and comprise the filtering material 20-tow of cellulose acetate for example that is substantially column farthest.Filtering material 20 provides a kind of filter, and smog can be by this filter transmission when the smoker enfleurages cigarette.Filter cell 12 is arranged at adjacent elements 16 places, and contains the continuous filter stick of filtering material 20, and described filter stick has substantially through the pipe tobacco 10 of longitudinal extension from here.This filter cell 12 does not extend along the total length of filter 4, and in addition this filter cell 12 is similar to the filter cell shown in Fig. 1.
The 3rd filter cell 14 is arranged between the filter cell 12 and tobacco rods 6 that contains pipe tobacco 10, and comprises the filter stick of filtering material 20, is dispersed with the active carbon 18 of adsorbent-for example in the 3rd filter cell.Active carbon 18 can be the form of granular active carbon, and as known in the art and as shown in Figure 3, the volume that described active carbon spreads all over the filter stick of cellulose acetate 20 distributes equably with " Dalmatian " pattern.Alternatively, active carbon 18 can be spread across on the tacky outer surfaces 26 of filter stick of cellulose acetate 20, maybe can adhere on the surface, inside around the plug wrap of cellulose acetate, maybe can adhere to by the filter stick of cellulose acetate 20 around the cotton thread (not shown) on.Active carbon 18 can also remain on by the filter stick of cellulose acetate 20 around cavity in.The characteristic that the characteristic-smog of the smog that active carbon 18 improves suction is provided is improved by removing toxic chemical substance.
Consult Fig. 4, there is shown the 3rd embodiment of the filter 4 that is attached to tobacco rods 6.In this embodiment, filter 4 comprises three filter cells 12,14,16, and except the order of element is changed, these filter cells are identical with filter cell in aforesaid second embodiment.As shown in Figure 4, as in second embodiment, filter cell 16 and comprises for example cellulose acetate of filtering material 20-from tobacco rods 6 farthest.Yet in the 3rd embodiment, filter cell 12 is set to neighbouring element 16 and contains the filter stick of filtering material 20, and the particle of active carbon 18 is dispersed in this filtering material 20.At last, the 3rd filter cell 12 is arranged between element 14 and the tobacco rods 6 and contains the continuous filter stick of filtering material 20, and pipe tobacco 10 extends through filtering material 20.Correspondingly, in the second and the 3rd embodiment, exchanged the position of filter cell 12,14.
Shown in Fig. 3 and Fig. 4, filter cell 12,14,16 longitudinally arranges each other, the end face 22,24 of each filter cell 12,14,16 all with next adjacency.Though equate substantially in three filter cells, 12,14,16 length shown in Fig. 3 and Fig. 4, should be understood that they can have different length.For example, in Fig. 3 and Fig. 4, the length that contains the filter cell 12 of pipe tobacco 10 can be 12mm, and each length of other elements 14,16 can be 7.5mm, so that the total length of filter 4 is 27mm.In addition, should be understood that filter 4 can include only two filter cells.For example, filter 4 can comprise that the filter cell 12(that contains pipe tobacco 10 is about 15mm) and the filter cell 16(that only contains filtering material 20 be about 12mm), both order can be changed.Alternatively, filter 4 can comprise filter cell 12 that contains pipe tobacco 10 and the filter cell 14 that contains active carbon 18, and both order can be changed.
In addition, filter 4 can comprise the filter cell more than three, and described three filter cells are respectively 12,14,16.For example, as mentioned above, filter 4 can comprise first and second filter cells 16 be made up of cellulose acetate, comprise the 3rd filter cell 14 of cellulose acetate and active carbon 18 and the 4th filter cell 12 that comprises vertical core of pipe tobacco 10.Should be understood that, various filter cells 12,14,16 can various optional arranged in order in filter 4.Yet, in each embodiment, comprise at least one filter cell that contains pipe tobacco 10 12 in the filter 4.
Consult Fig. 1 once more, filter 4 be positioned that end of mouth of smoker of smoking article 2 so that air-flow-comprise the smog that sucks from the bar 6 of smokeable material to pass filter 4 before during entering smoker's mouth.Described with reference to Fig. 2 as mentioned, pipe tobacco 10 is positioned in one or more filter cells 12, and between the end face 22,24 of the filter stick of filtering material 20 longitudinal extension.Therefore, pipe tobacco 10 is set to when air-flow passes filter 4 it and is in very position near air flow path, and therefore can influence the various character of air-flow before air-flow arrives in smoker's the mouth.
The present invention also comprises further remodeling and the modification in the scope that falls into claim.
Claims (21)
1. filter cell that is used for smoking article, this filter cell comprises the filter stick of pipe tobacco and filtering material, wherein pipe tobacco substantially longitudinal extension pass the filter stick of filtering material.
2. filter cell as claimed in claim 1, wherein pipe tobacco longitudinal extension substantially between two reverse mutually end faces of the filter stick of filtering material.
3. filter cell as claimed in claim 2, wherein pipe tobacco extends along the direction of the filter stick side that is parallel to filtering material substantially, and this side is vertical or all vertical with two end faces substantially with an end face substantially.
4. the described filter cell of each claim as described above, wherein pipe tobacco extend through the inside of filtering material and be filtered rings of material around.
5. the described filter cell of each claim as described above, wherein pipe tobacco extends through the central authorities of the filter stick of filtering material substantially.
6. the described filter cell of each claim as described above, wherein pipe tobacco comprises broken pipe tobacco, tobacco powder, reconstituted tobacco and/or cuts tobacco.
7. the described filter cell of each claim as described above, wherein pipe tobacco comprises baccy fiber and/or reconstituted tobacoo.
8. the described filter cell of each claim as described above, wherein the diameter of pipe tobacco is between 0.2mm to 5mm, and preferably between 0.4mm to 3mm.
9. the described filter cell of each claim as described above, wherein the filter stick of filtering material comprises cellulose acetate.
10. the described filter cell of each claim as described above, wherein the diameter of the filter stick of filtering material is between 5mm to 15mm, and preferably between 8mm to 10mm.
11. the described filter cell of each claim as described above, wherein filter cell contains flavorant.
12. a filter that is used for smoking article, this filter comprise as each described filter cell in the claim 1 to 11.
13. filter as claimed in claim 12, its middle filtrator comprises a plurality of filter cells, and at least one in these filter cells is as each described filter cell in the claim 1 to 11.
14. as claim 12 or the described filter of claim 13, its middle filtrator comprises the adsorptivity filter cell, this adsorptivity filter cell comprises sorbing material.
15. filter as claimed in claim 14, wherein said sorbing material is an active carbon.
16. as each described filter in the claim 12 to 15, its middle filtrator comprises filter cell, this filter cell comprises filtering material (for example cellulose acetate) but does not comprise pipe tobacco or sorbing material.
17. a smoking article, it comprises as each described filter cell in the claim 1 to 11, or as each described filter in the claim 12 to 16.
18. a making is used for the method for the filter cell of smoking article, this method comprises the pipe tobacco that the filter stick that passes filtering material is provided, and wherein said pipe tobacco longitudinal extension substantially passes the filter stick of filtering material.
19. method as claimed in claim 18, wherein said method comprises the step of pipe tobacco being inserted substantially the central authorities of filtering material.
20. as claim 18 or the described method of claim 19, wherein said method comprises that the tow when filtering material uses guiding elements guiding pipe tobacco when forming around the pipe tobacco.
21. method as claimed in claim 20, wherein said guiding elements comprises guiding tube, drags pipe tobacco by this guiding tube.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0816935.1A GB0816935D0 (en) | 2008-09-16 | 2008-09-16 | Filter for a smoking article |
| GB0816935.1 | 2008-09-16 | ||
| PCT/GB2009/051159 WO2010032032A1 (en) | 2008-09-16 | 2009-09-10 | Filter for a smoking article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102159102A true CN102159102A (en) | 2011-08-17 |
Family
ID=39930243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801362399A Pending CN102159102A (en) | 2008-09-16 | 2009-09-10 | Filter for a smoking article |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US20110247637A1 (en) |
| EP (1) | EP2352397B1 (en) |
| JP (2) | JP2012502627A (en) |
| KR (1) | KR20110059644A (en) |
| CN (1) | CN102159102A (en) |
| AR (1) | AR075751A1 (en) |
| AU (1) | AU2009294387A1 (en) |
| BR (1) | BRPI0917183A2 (en) |
| CA (1) | CA2735491A1 (en) |
| CL (1) | CL2009001859A1 (en) |
| ES (1) | ES2639053T3 (en) |
| GB (1) | GB0816935D0 (en) |
| MX (1) | MX2011002124A (en) |
| PL (1) | PL2352397T3 (en) |
| RU (2) | RU2011115122A (en) |
| UA (1) | UA102701C2 (en) |
| WO (1) | WO2010032032A1 (en) |
| ZA (1) | ZA201101591B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302220A (en) * | 2011-08-28 | 2012-01-04 | 云南烟草科学研究院 | Application of lemon balm to binary composite filter tips |
| CN107920586A (en) * | 2015-09-03 | 2018-04-17 | 菲利普莫里斯生产公司 | Aerosol generates product and the lower resistance supporting member of the section in product is generated for use as aerosol |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201110863D0 (en) * | 2011-06-27 | 2011-08-10 | British American Tobacco Co | Smoking article filter and insertable filter unit thereof |
| WO2013098957A1 (en) * | 2011-12-27 | 2013-07-04 | 日本たばこ産業株式会社 | Filter assembly for cigarette, and cigarette |
| LT3003866T (en) * | 2013-06-03 | 2019-04-10 | Essentra Filter Products Development Co. Pte. Ltd | Method of manufacture of a dispenser |
| GB201310599D0 (en) * | 2013-06-13 | 2013-07-31 | Filtrona Filter Prod Dev Co | Tabacco smoke filter |
| JP7109568B2 (en) * | 2018-11-14 | 2022-07-29 | 雲南中煙工業有限責任公司 | Tobacco holder for circumferentially heated non-combustible cigarettes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4281671A (en) * | 1978-04-21 | 1981-08-04 | American Filtrona Corporation | Production of tobacco smoke filters |
| US5115823A (en) * | 1990-12-20 | 1992-05-26 | Philip Morris Incorporated | Flavor-enhancing smoking filter |
| CN1322113A (en) * | 1998-08-14 | 2001-11-14 | 英美烟草(投资)有限公司 | Smoke-modifying agents and smoking material rods comprising smoke-modifying agents |
| WO2003082558A1 (en) * | 2002-03-29 | 2003-10-09 | Philip Morris Products S.A. | Method and apparatus for making cigarette filters with a centrally located flavored element |
| CN1503637A (en) * | 2001-02-22 | 2004-06-09 | ��Ī������ | Cigarette and filter with downstream flavor addition |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1585862A (en) * | 1976-11-19 | 1981-03-11 | British American Tobacco Co | Tobacco-smoke filters |
| US4291711A (en) * | 1979-03-27 | 1981-09-29 | American Filtrona Corporation | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same |
| AU675573B2 (en) * | 1993-09-30 | 1997-02-06 | British-American Tobacco Company Limited | Improvements relating to tobacco smoke filter elements |
| US20070000505A1 (en) * | 2005-02-24 | 2007-01-04 | Philip Morris Usa Inc. | Smoking article with tobacco beads |
| US7740019B2 (en) * | 2006-08-02 | 2010-06-22 | R.J. Reynolds Tobacco Company, Inc. | Equipment and associated method for insertion of material into cigarette filters |
| PT1889550E (en) * | 2006-08-04 | 2009-10-26 | Philip Morris Prod | Multi-component filter providing multiple flavour enhancement |
| EP1972213A1 (en) * | 2007-03-21 | 2008-09-24 | Philip Morris Products S.A. | Multi-component filter providing improved flavour enhancement |
| GB2455733A (en) * | 2007-12-19 | 2009-06-24 | British American Tobacco Co | Filter for a smoking article |
-
2008
- 2008-09-16 GB GBGB0816935.1A patent/GB0816935D0/en not_active Ceased
-
2009
- 2009-09-10 EP EP09785614.0A patent/EP2352397B1/en active Active
- 2009-09-10 US US13/119,414 patent/US20110247637A1/en not_active Abandoned
- 2009-09-10 RU RU2011115122/12A patent/RU2011115122A/en unknown
- 2009-09-10 ES ES09785614.0T patent/ES2639053T3/en active Active
- 2009-09-10 BR BRPI0917183A patent/BRPI0917183A2/en not_active IP Right Cessation
- 2009-09-10 RU RU2014120670/12U patent/RU148462U1/en active
- 2009-09-10 CN CN2009801362399A patent/CN102159102A/en active Pending
- 2009-09-10 WO PCT/GB2009/051159 patent/WO2010032032A1/en active Application Filing
- 2009-09-10 AU AU2009294387A patent/AU2009294387A1/en not_active Abandoned
- 2009-09-10 PL PL09785614T patent/PL2352397T3/en unknown
- 2009-09-10 KR KR1020117008666A patent/KR20110059644A/en not_active Application Discontinuation
- 2009-09-10 MX MX2011002124A patent/MX2011002124A/en not_active Application Discontinuation
- 2009-09-10 JP JP2011526568A patent/JP2012502627A/en active Pending
- 2009-09-10 CA CA2735491A patent/CA2735491A1/en not_active Abandoned
- 2009-09-15 CL CL2009001859A patent/CL2009001859A1/en unknown
- 2009-09-16 AR ARP090103559A patent/AR075751A1/en not_active Application Discontinuation
- 2009-10-09 UA UAA201104458A patent/UA102701C2/en unknown
-
2011
- 2011-03-01 ZA ZA2011/01591A patent/ZA201101591B/en unknown
-
2014
- 2014-03-24 JP JP2014001450U patent/JP3191009U/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4281671A (en) * | 1978-04-21 | 1981-08-04 | American Filtrona Corporation | Production of tobacco smoke filters |
| US5115823A (en) * | 1990-12-20 | 1992-05-26 | Philip Morris Incorporated | Flavor-enhancing smoking filter |
| CN1322113A (en) * | 1998-08-14 | 2001-11-14 | 英美烟草(投资)有限公司 | Smoke-modifying agents and smoking material rods comprising smoke-modifying agents |
| CN1503637A (en) * | 2001-02-22 | 2004-06-09 | ��Ī������ | Cigarette and filter with downstream flavor addition |
| WO2003082558A1 (en) * | 2002-03-29 | 2003-10-09 | Philip Morris Products S.A. | Method and apparatus for making cigarette filters with a centrally located flavored element |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302220A (en) * | 2011-08-28 | 2012-01-04 | 云南烟草科学研究院 | Application of lemon balm to binary composite filter tips |
| CN107920586A (en) * | 2015-09-03 | 2018-04-17 | 菲利普莫里斯生产公司 | Aerosol generates product and the lower resistance supporting member of the section in product is generated for use as aerosol |
| US10952463B2 (en) | 2015-09-03 | 2021-03-23 | Philip Morris Products S.A. | Aerosol-generating article and low resistance support element for use as segment in an aerosol-generating article |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3191009U (en) | 2014-06-05 |
| US20110247637A1 (en) | 2011-10-13 |
| EP2352397B1 (en) | 2017-05-31 |
| RU148462U1 (en) | 2014-12-10 |
| UA102701C2 (en) | 2013-08-12 |
| PL2352397T3 (en) | 2017-11-30 |
| ES2639053T3 (en) | 2017-10-25 |
| AU2009294387A1 (en) | 2010-03-25 |
| AR075751A1 (en) | 2011-04-27 |
| CA2735491A1 (en) | 2010-03-25 |
| CL2009001859A1 (en) | 2010-07-19 |
| JP2012502627A (en) | 2012-02-02 |
| EP2352397A1 (en) | 2011-08-10 |
| MX2011002124A (en) | 2011-04-05 |
| GB0816935D0 (en) | 2008-10-22 |
| BRPI0917183A2 (en) | 2015-11-10 |
| RU2011115122A (en) | 2012-10-27 |
| WO2010032032A1 (en) | 2010-03-25 |
| ZA201101591B (en) | 2014-08-27 |
| KR20110059644A (en) | 2011-06-02 |
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