SE8300443D0 - IMPROVEMENTS RELATING TO TOBACCO SMOKE FILTERS - Google Patents
IMPROVEMENTS RELATING TO TOBACCO SMOKE FILTERSInfo
- Publication number
- SE8300443D0 SE8300443D0 SE8300443A SE8300443A SE8300443D0 SE 8300443 D0 SE8300443 D0 SE 8300443D0 SE 8300443 A SE8300443 A SE 8300443A SE 8300443 A SE8300443 A SE 8300443A SE 8300443 D0 SE8300443 D0 SE 8300443D0
- Authority
- SE
- Sweden
- Prior art keywords
- duct
- plug
- mouth end
- deeper
- filter plug
- Prior art date
Links
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
-
- 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
A smoke filter for a smoking article (e.g. a cigarette) comprises a filter plug (4) having an airflow duct whose floor (5) extends along the filter plug from the mouth end of the plug such that the end of the duct (8) remote from the mouth end is deeper than the end of the duct at the mouth end, with a region of progressively decreasing depth from the deep end towards the shallow end. The at least one duct may comprise a plurality of grooves (8) equiangularly spaced around the periphery of the filter plug, in which case it is possible for the grooves to extend helically and to be divided into sets of opposite hand such that each groove of one set intersects several grooves of the other set. Alternatively, the airflow duct may comprise a single annular groove extending around the filter plug with a shallower side at the mouth end of the plug and a deeper side remote from the mouth end, in which case a relatively stiff tipping (7) is required. In all cases the tipping (7) includes ventilation perforations (9) communicating with the deeper end of the air duct (8). <IMAGE>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8202945 | 1982-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8300443D0 true SE8300443D0 (en) | 1983-01-28 |
| SE8300443L SE8300443L (en) | 1983-08-03 |
Family
ID=10528056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8300443A SE8300443L (en) | 1982-02-02 | 1983-01-28 | TOBACCO ROCK FILTER |
Country Status (33)
| Country | Link |
|---|---|
| JP (1) | JPS58165782A (en) |
| KR (1) | KR840003399A (en) |
| AT (1) | ATA19983A (en) |
| AU (1) | AU548841B2 (en) |
| BE (1) | BE895755A (en) |
| BR (1) | BR8300492A (en) |
| CA (1) | CA1191065A (en) |
| DE (1) | DE3303301C2 (en) |
| DK (1) | DK39283A (en) |
| ES (1) | ES278856Y (en) |
| FI (1) | FI68953C (en) |
| FR (1) | FR2520595A1 (en) |
| GB (1) | GB2115679B (en) |
| HK (1) | HK28686A (en) |
| HU (1) | HU188420B (en) |
| IL (1) | IL67731A (en) |
| IN (1) | IN157858B (en) |
| IT (1) | IT1163073B (en) |
| KE (1) | KE3598A (en) |
| LU (1) | LU84620A1 (en) |
| MY (1) | MY8700716A (en) |
| NL (1) | NL8300379A (en) |
| NO (1) | NO830333L (en) |
| NZ (1) | NZ203133A (en) |
| PH (1) | PH19178A (en) |
| PL (1) | PL240392A1 (en) |
| RO (1) | RO87088A (en) |
| SE (1) | SE8300443L (en) |
| SG (1) | SG92485G (en) |
| TR (1) | TR21429A (en) |
| YU (1) | YU23683A (en) |
| ZA (1) | ZA83652B (en) |
| ZW (1) | ZW2183A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201605101D0 (en) | 2016-03-24 | 2016-05-11 | Nicoventures Holdings Ltd | Electronic vapour provision system |
| GB201605100D0 (en) | 2016-03-24 | 2016-05-11 | Nicoventures Holdings Ltd | Vapour provision system |
| GB201605105D0 (en) | 2016-03-24 | 2016-05-11 | Nicoventures Holdings Ltd | Vapour provision apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1278914B (en) * | 1963-11-07 | 1968-09-26 | Anthony Paul Miller | Cigarette |
| FR2109761A5 (en) * | 1970-10-05 | 1972-05-26 | Eastman Kodak Co | |
| US4256122A (en) * | 1979-04-11 | 1981-03-17 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| DE3068598D1 (en) * | 1979-09-07 | 1984-08-23 | Philip Morris Inc | Cigaret mouthpiece |
-
1983
- 1983-01-13 GB GB08300875A patent/GB2115679B/en not_active Expired
- 1983-01-21 FI FI830211A patent/FI68953C/en not_active IP Right Cessation
- 1983-01-21 AT AT0019983A patent/ATA19983A/en not_active IP Right Cessation
- 1983-01-23 IL IL67731A patent/IL67731A/en unknown
- 1983-01-26 AU AU10777/83A patent/AU548841B2/en not_active Ceased
- 1983-01-28 PH PH28452A patent/PH19178A/en unknown
- 1983-01-28 SE SE8300443A patent/SE8300443L/en not_active Application Discontinuation
- 1983-01-28 ZW ZW21/83A patent/ZW2183A1/en unknown
- 1983-01-31 NZ NZ203133A patent/NZ203133A/en unknown
- 1983-01-31 BE BE0/210009A patent/BE895755A/en not_active IP Right Cessation
- 1983-01-31 RO RO83109872A patent/RO87088A/en unknown
- 1983-01-31 LU LU84620A patent/LU84620A1/en unknown
- 1983-01-31 ES ES1983278856U patent/ES278856Y/en not_active Expired
- 1983-02-01 BR BR8300492A patent/BR8300492A/en unknown
- 1983-02-01 ZA ZA83652A patent/ZA83652B/en unknown
- 1983-02-01 DE DE3303301A patent/DE3303301C2/en not_active Expired
- 1983-02-01 HU HU83344A patent/HU188420B/en unknown
- 1983-02-01 TR TR21429A patent/TR21429A/en unknown
- 1983-02-01 NL NL8300379A patent/NL8300379A/en not_active Application Discontinuation
- 1983-02-01 DK DK39283A patent/DK39283A/en not_active Application Discontinuation
- 1983-02-01 NO NO830333A patent/NO830333L/en unknown
- 1983-02-02 CA CA000420770A patent/CA1191065A/en not_active Expired
- 1983-02-02 JP JP58014686A patent/JPS58165782A/en active Granted
- 1983-02-02 KR KR1019830000400A patent/KR840003399A/en not_active IP Right Cessation
- 1983-02-02 FR FR8301611A patent/FR2520595A1/en active Granted
- 1983-02-02 PL PL24039283A patent/PL240392A1/en unknown
- 1983-02-02 IN IN126/CAL/83A patent/IN157858B/en unknown
- 1983-02-02 IT IT19395/83A patent/IT1163073B/en active
- 1983-02-02 YU YU00236/83A patent/YU23683A/en unknown
-
1985
- 1985-12-03 SG SG924/85A patent/SG92485G/en unknown
-
1986
- 1986-01-13 KE KE3598A patent/KE3598A/en unknown
- 1986-04-17 HK HK286/86A patent/HK28686A/en unknown
-
1987
- 1987-12-30 MY MY716/87A patent/MY8700716A/en unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8300443-2 |