CH676911A5 - - Google Patents
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- Publication number
- CH676911A5 CH676911A5 CH1398/88A CH139888A CH676911A5 CH 676911 A5 CH676911 A5 CH 676911A5 CH 1398/88 A CH1398/88 A CH 1398/88A CH 139888 A CH139888 A CH 139888A CH 676911 A5 CH676911 A5 CH 676911A5
- Authority
- CH
- Switzerland
- Prior art keywords
- filter
- component
- core
- filter according
- pressure drop
- Prior art date
Links
- 239000008358 core component Substances 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 241000208125 Nicotiana Species 0.000 claims abstract description 12
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 12
- 239000000306 component Substances 0.000 claims description 66
- 235000019504 cigarettes Nutrition 0.000 claims description 17
- 230000014759 maintenance of location Effects 0.000 claims description 17
- 238000005273 aeration Methods 0.000 claims description 13
- 238000010790 dilution Methods 0.000 claims description 11
- 239000012895 dilution Substances 0.000 claims description 11
- 239000002985 plastic film Substances 0.000 claims description 5
- 229920000114 Corrugated plastic Polymers 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229920002301 cellulose acetate Polymers 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000012808 vapor phase Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- YBCVMFKXIKNREZ-UHFFFAOYSA-N acoh acetic acid Chemical compound CC(O)=O.CC(O)=O YBCVMFKXIKNREZ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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
- A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB878709173A GB8709173D0 (en) | 1987-04-16 | 1987-04-16 | Ventilated cigarette filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH676911A5 true CH676911A5 (en, 2012) | 1991-03-28 |
Family
ID=10615959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1398/88A CH676911A5 (en, 2012) | 1987-04-16 | 1988-04-15 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2604419B2 (en, 2012) |
| CH (1) | CH676911A5 (en, 2012) |
| GB (2) | GB8709173D0 (en, 2012) |
| IT (1) | IT1216580B (en, 2012) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4205658A1 (de) * | 1992-02-25 | 1993-08-26 | Reemtsma H F & Ph | Ventilierte filtercigarette |
| RU2138974C1 (ru) * | 1999-03-12 | 1999-10-10 | Погосян Сейран Амаякович | Курительное изделие |
| GB0603126D0 (en) * | 2006-02-16 | 2006-03-29 | British American Tobacco Co | Improvements relating to smoking articles and filters therefor |
| GB0625818D0 (en) * | 2006-12-21 | 2007-02-07 | British American Tobacco Co | Smoking article filter |
| WO2012054111A1 (en) * | 2010-10-06 | 2012-04-26 | Celanese Acetate Llc | Smoke filters for smoking devices with porous masses having a carbon particle loading and an encapsulated pressure drop |
| DK177983B1 (da) * | 2010-11-08 | 2015-02-16 | Pleasure Smoking Co Aps | Koniske og cylindriske filter tips, og koniske og cylindriske hylstre |
| MX363927B (es) * | 2012-08-06 | 2019-04-08 | Philip Morris Products Sa | Metodo para formar articulos para fumar con cavidades de extremo de boca. |
| US10357057B2 (en) | 2012-08-06 | 2019-07-23 | Philip Morris Products S.A. | Smoking article with mouth end cavity |
| GB201219540D0 (en) | 2012-10-31 | 2012-12-12 | British American Tobacco Co | A filter for a smoking article |
| GB201223159D0 (en) | 2012-12-21 | 2013-02-06 | British American Tobacco Co | Insertable filter unit |
| JP2017099286A (ja) * | 2014-03-31 | 2017-06-08 | 日本たばこ産業株式会社 | たばこ製品用のフィルタ及びたばこ製品 |
| JP6416512B2 (ja) * | 2014-06-19 | 2018-10-31 | 株式会社ダイセル | 中空状たばこフィルター部材の製造方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3490461A (en) * | 1967-04-20 | 1970-01-20 | Philip Morris Inc | Cigarette ventilation |
| US4342322A (en) * | 1980-12-22 | 1982-08-03 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| GB2101869A (en) * | 1981-07-06 | 1983-01-26 | Filtrona Ltd | Filtering means |
| US4564030A (en) * | 1982-07-16 | 1986-01-14 | Loew's Theatres, Inc. | Cigarette filter assembly |
| GB8330894D0 (en) * | 1983-11-18 | 1983-12-29 | British American Tobacco Co | Smoking-article mouthpiece elements |
| DE3345000C2 (de) * | 1983-12-13 | 1985-10-31 | H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg | Ventilierte Filterzigarette mit Rillenfilter |
| US4580584A (en) * | 1984-02-21 | 1986-04-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| US4582072A (en) * | 1984-06-25 | 1986-04-15 | Brown & Williamson Tobacco Corporation | Cigarette filter |
-
1987
- 1987-04-16 GB GB878709173A patent/GB8709173D0/en active Pending
-
1988
- 1988-04-14 GB GB8808840A patent/GB2203324B/en not_active Expired - Fee Related
- 1988-04-15 IT IT8820217A patent/IT1216580B/it active
- 1988-04-15 JP JP63091861A patent/JP2604419B2/ja not_active Expired - Lifetime
- 1988-04-15 CH CH1398/88A patent/CH676911A5/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2604419B2 (ja) | 1997-04-30 |
| IT1216580B (it) | 1990-03-08 |
| JPS6447366A (en) | 1989-02-21 |
| GB8709173D0 (en) | 1987-05-20 |
| GB2203324B (en) | 1991-05-29 |
| GB8808840D0 (en) | 1988-05-18 |
| IT8820217A0 (it) | 1988-04-15 |
| GB2203324A (en) | 1988-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |