DE58906030D1 - Coaxial filter cigarette. - Google Patents
Coaxial filter cigarette.Info
- Publication number
- DE58906030D1 DE58906030D1 DE89121849T DE58906030T DE58906030D1 DE 58906030 D1 DE58906030 D1 DE 58906030D1 DE 89121849 T DE89121849 T DE 89121849T DE 58906030 T DE58906030 T DE 58906030T DE 58906030 D1 DE58906030 D1 DE 58906030D1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- inner core
- wrapper
- rod part
- outer shell
- 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.)
- Expired - Lifetime
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
- A24D1/00—Cigars; Cigarettes
-
- 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
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Networks Using Active Elements (AREA)
Abstract
A coaxial filter cigarette (10) having a rod part (12) with an inner core (14) of a material, in particular tobacco material, which smoulders in a substantially residue-free manner, a wrapper (16) for the inner core, an outer shell (18) of a tobacco and/or a non-tobacco material which coaxially surrounds the inner core and its wrapper, and a wrapper (20) for the outer shell, and having a filter part (13) with a filter core (22), an air-impermeable wrapper (24) for the filter core, a filter shell (26) and a wrapper (28) for the filter shell has one zone for the primary heat source, which is located within the inner core (14) of the rod part, and one zone in which the essential proportion of the aerosol passing into the smoker's mouth is generated and which is located in the outer shell (18) of the rod part; the filter part (13) distinctly reduces the combustion gases originating from the inner core of the rod part, and substantially reduces the smoke particles originating from the inner core, whereas the aerosol generated in the outer shell of the rod part is influenced only slightly, if at all. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3901226A DE3901226C1 (en) | 1989-01-17 | 1989-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE58906030D1 true DE58906030D1 (en) | 1993-12-02 |
Family
ID=6372241
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3901226A Expired - Lifetime DE3901226C1 (en) | 1989-01-17 | 1989-01-17 | |
DE89121849T Expired - Lifetime DE58906030D1 (en) | 1989-01-17 | 1989-11-27 | Coaxial filter cigarette. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3901226A Expired - Lifetime DE3901226C1 (en) | 1989-01-17 | 1989-01-17 |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0378788B1 (en) |
JP (1) | JP2594657B2 (en) |
AT (1) | ATE96288T1 (en) |
AU (1) | AU621451B2 (en) |
CA (1) | CA2007022C (en) |
DE (2) | DE3901226C1 (en) |
DK (1) | DK173403B1 (en) |
FI (1) | FI89552C (en) |
HK (1) | HK1005842A1 (en) |
MY (1) | MY105180A (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK172979B1 (en) * | 1987-12-22 | 1999-11-01 | Bat Cigarettenfab Gmbh | Coaxial cigarette |
AU635095B2 (en) * | 1990-08-24 | 1993-03-11 | Philip Morris Products Inc. | Concentric smoking filter having discrete tow and web filter media |
US5746230A (en) * | 1990-08-24 | 1998-05-05 | Philip Morris Incorporated | Concentric smoking filter having discrete tow and web filter media |
US5365951A (en) * | 1990-08-24 | 1994-11-22 | Philip Morris Incorporated | Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core |
US5105838A (en) * | 1990-10-23 | 1992-04-21 | R.J. Reynolds Tobacco Company | Cigarette |
DE4107026C1 (en) * | 1991-03-01 | 1992-03-12 | H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg, De | Individual cigarette making kit - has highly porous areas in paper and tobacco plug |
DE4107522C2 (en) * | 1991-03-08 | 1994-02-17 | Bat Cigarettenfab Gmbh | Coaxial cigarette |
DE4127420C2 (en) * | 1991-08-19 | 1996-07-25 | Bat Cigarettenfab Gmbh | Coaxial filter cigarette |
DE4321069C2 (en) * | 1993-06-24 | 1998-09-10 | Bat Cigarettenfab Gmbh | Coaxial filter cigarette |
EP0693258B1 (en) | 1994-07-19 | 1999-06-02 | British-American Tobacco (Germany) GmbH | Tobacco cartridge |
DE19703003A1 (en) * | 1997-01-28 | 1998-07-30 | Bat Cigarettenfab Gmbh | Cigarette with reduced staining and reduced sidestream smoke |
DE19722812C2 (en) * | 1997-05-30 | 2003-02-13 | Bat Cigarettenfab Gmbh | Ultralight coaxial cigarette with multi-part filter |
DE19757712C1 (en) * | 1997-12-23 | 1999-06-24 | Bat Cigarettenfab Gmbh | Cross flow barrier coaxial cigarette and method of making a coaxial cigarette |
US6345625B1 (en) | 1997-12-06 | 2002-02-12 | Kar Eng Chew | Filter for secondary smoke and smoking articles incorporating the same |
EP1670326B1 (en) * | 2003-09-30 | 2007-02-21 | R.J. Reynolds Tobacco Company | Smokable rod for a cigarette |
US7503330B2 (en) | 2003-09-30 | 2009-03-17 | R.J. Reynolds Tobacco Company | Smokable rod for a cigarette |
US11602164B2 (en) * | 2019-03-14 | 2023-03-14 | Rai Strategic Holdings, Inc. | Aerosol delivery device with graded porosity from inner to outer wall surfaces |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR998556A (en) * | 1945-10-29 | 1952-01-21 | Papeteries De Mauduit Sa Des | Cigarette |
FR1322254A (en) * | 1962-02-14 | 1963-03-29 | Double decker cigar and double decker cigarette | |
US3356094A (en) * | 1965-09-22 | 1967-12-05 | Battelle Memorial Institute | Smoking devices |
GB1086443A (en) * | 1966-05-03 | 1967-10-11 | James Alexander Everet Bell | Cigarette |
GB1228747A (en) * | 1967-09-07 | 1971-04-15 | ||
DE2620335A1 (en) * | 1976-05-07 | 1977-11-24 | Brasec Gmbh Chemisch Physikali | Cigarettes low in toxic smoke components - with empty central tube of air impermeable walls and filter tip |
US4219031A (en) * | 1979-03-05 | 1980-08-26 | Philip Morris Incorporated | Smoking product having core of fibrillar carbonized matter |
US4291711A (en) * | 1979-03-27 | 1981-09-29 | American Filtrona Corporation | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same |
GB2070409A (en) * | 1980-01-18 | 1981-09-09 | British American Tobacco Co | Filament, comprising smoke- modifying agent, in smoking article |
GB2069310B (en) * | 1980-02-20 | 1983-09-14 | Molins Ltd | Manufacture of cigarettes |
GB2119221B (en) * | 1982-04-05 | 1986-05-29 | Filtrona Ltd | Cigarette filter |
GB8502651D0 (en) * | 1985-02-01 | 1985-03-06 | British American Tobacco Co | Smoking articles |
DE3743597C1 (en) * | 1987-12-22 | 1989-02-16 | Bat Cigarettenfab Gmbh | Coaxial cigarette |
DK172979B1 (en) * | 1987-12-22 | 1999-11-01 | Bat Cigarettenfab Gmbh | Coaxial cigarette |
-
1989
- 1989-01-17 DE DE3901226A patent/DE3901226C1/de not_active Expired - Lifetime
- 1989-11-27 DE DE89121849T patent/DE58906030D1/en not_active Expired - Lifetime
- 1989-11-27 AT AT89121849T patent/ATE96288T1/en not_active IP Right Cessation
- 1989-11-27 EP EP89121849A patent/EP0378788B1/en not_active Expired - Lifetime
-
1990
- 1990-01-03 CA CA002007022A patent/CA2007022C/en not_active Expired - Fee Related
- 1990-01-11 FI FI900155A patent/FI89552C/en active IP Right Grant
- 1990-01-11 DK DK199000073A patent/DK173403B1/en not_active IP Right Cessation
- 1990-01-15 MY MYPI90000061A patent/MY105180A/en unknown
- 1990-01-16 JP JP2006979A patent/JP2594657B2/en not_active Expired - Lifetime
- 1990-01-16 AU AU48501/90A patent/AU621451B2/en not_active Expired
-
1998
- 1998-06-06 HK HK98105018A patent/HK1005842A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2007022A1 (en) | 1990-07-17 |
DK7390A (en) | 1990-07-18 |
AU621451B2 (en) | 1992-03-12 |
MY105180A (en) | 1994-08-30 |
FI89552B (en) | 1993-07-15 |
AU4850190A (en) | 1990-07-26 |
FI89552C (en) | 1993-10-25 |
FI900155A (en) | 1990-07-18 |
EP0378788A1 (en) | 1990-07-25 |
DK7390D0 (en) | 1990-01-11 |
EP0378788B1 (en) | 1993-10-27 |
HK1005842A1 (en) | 1999-01-29 |
JPH02234661A (en) | 1990-09-17 |
JP2594657B2 (en) | 1997-03-26 |
FI900155A0 (en) | 1990-01-11 |
DE3901226C1 (en) | 1990-07-26 |
CA2007022C (en) | 1996-09-03 |
ATE96288T1 (en) | 1993-11-15 |
DK173403B1 (en) | 2000-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: BRITISH-AMERICAN TOBACCO (GERMANY) GMBH, 20354 HAM |