EP0482872B1 - Smoking article - Google Patents
Smoking article Download PDFInfo
- Publication number
- EP0482872B1 EP0482872B1 EP91309726A EP91309726A EP0482872B1 EP 0482872 B1 EP0482872 B1 EP 0482872B1 EP 91309726 A EP91309726 A EP 91309726A EP 91309726 A EP91309726 A EP 91309726A EP 0482872 B1 EP0482872 B1 EP 0482872B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- collection zone
- smoking
- smoking article
- smoke
- hot gases
- 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
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
- 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
- A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
Definitions
- This invention relates to a smoking article according to the first part of claim 1 relating to the prior art of DE-U-1 892 093 in which the smoking material can be tobacco or any other suitable material.
- composition of the cigarette smoke aerosol is complex, containing many compounds in the particulate and vapour phases. It is possible to classify the compounds contained within the particulate phase into two fractions, these are the involatile and semivolatile fractions.
- the semivolatile fraction can be defined as consisting of all of those compounds which evaporate from a chemically inert substrate heated to a temperature of 200°C.
- a smoking article comprises a rod of smoking material and a filter portion, said filter portion including means for collecting particulate matter in the smoke from the rod of smoking material in a collection zone arranged in the upstream end of the filter portion, and means for heating said collection zone to release the semivolatile compounds of the smoke whilst allowing the involatile compounds to be retained in the filter.
- the rod of smoking material includes a longitudinally extending passage to feed hot gases from the tip of the article when lit to the said collection zone.
- the collection zone is provided by an impervious transversely extending member on which the particulate matter is deposited by the smoke from the smoking material.
- the transversely extending member can be provided by a disc the centre portion of which provides said collection zone and which is surrounded by an exit opening or openings.
- the disc is provided in a chamber into which smoke from the smoking material is delivered and into which the longitudinally extending passage feeds hot gases to the collection zone.
- If desired means may be included for accelerating the hot gases from the passage into the collection zone.
- the collection zone can be provided in a high retention filter element.
- the high retention filter element can be spaced away from the end of the smoking material rod to form a chamber adjacent the collection zone and into which smoke from the smoking material is delivered and into which the longitudinally extending passage feeds hot gases to the collection zone.
- a secondary filter element can be provided which is located at the mouth piece end of the article.
- the passage in the rod of smoking material is formed by a low porosity/permeability tube.
- the smoking article according to the invention comprises a rod 1 of smoking material, for example tobacco, carried in a paper outer wrapper 2.
- the rod is provided with a longitudinally extending passage 3 formed by a tube of low porosity/permeability material 4 which may be made from paper or reconstituted tobacco sheet.
- the tube may have a diameter typically in the range of 0.5 to 5 mm.
- a filter 5 located within the paper wrapper 2 is a filter 5 at the mouth piece end and an impervious transversely extending member in the form of an impaction disc made of material which is temperature stable.
- the materials from which the disc may be constructed include metals, for example aluminium, ceramics or plastics such as nylon, polyethylene, polypropylene or cellulose acetate.
- the disc has a low thermal heat capacity and it may also have a low thermal conductivity, for example when constructed from a ceramic or from Nylon 66.
- This disc 6 has a central impaction surface 7 which is surrounded by circumferential holes 8 typically of 1 mm diameter.
- a chamber 10 is formed in which is located a second disc 11 which can also be made from a material selected from the examples given for the disc 6, and this may be the same as, or different from, that used in the construction of the disc 6 in a particular construction.
- a second disc 11 which can also be made from a material selected from the examples given for the disc 6, and this may be the same as, or different from, that used in the construction of the disc 6 in a particular construction.
- One or more (three are shown) small diameter holes 12 are provided in the disc 11 and these may typically be of 0.1 - 1 mm diameter and preferably 0.4 - 1 mm diameter. These holes act as acceleration nozzles in the manner to be described.
- the impaction surface provided by the surface 7 is located typically 2 mm from the nozzles 12.
- the passage 3 is located coaxially with the smoking material rod 1 but it could be displaced to one side if desired.
- the means for collecting particulate matter in the smoke from the rod of smoking material is provided by a high retention filter element 15.
- the element 15 is spaced away from the end 9 of the smoking material rod and the filter 15 is located in a chamber 10 in place of the disc 11.
- the disc 6 is also dispensed with.
- smoke from the rod 1 impinges on the front surface 16 of the filter 15 and the filter retains a fraction of the total particulate matter over the first few (ten) mm of filter material. This is indicated by reference numeral 17.
- This retained total particulate matter is again heated by hot air or smoke drawn down the passage 3 as in the previous embodiment.
- the second filter element 5 can be spaced away from the filter element 15 as shown or it may abut it. Once again the action of the hot air or smoke heats the deposited particulate matter and releases the semivolatile fractions which are then drawn through the filter 5.
- the second filter element 5 may have an inclusion of activated carbon to reduce the concentration of some of the vapour components in the smoke aerosol.
- ventilation air may be introduced through the wrapper 5 into the filter 17 through openings 18 to confine the aerosol and the hot air/smoke stream to the central part of the filter.
- ventilation air may be introduced through the wrapper 5 through openings 19 to aerodynamically focus the aerosol onto the disc 6 to improve the efficiency of the filter.
- ventilation air may also be used to cool the evaporated semivolatiles to facilitate recondensation before delivery to the smoker, for example through openings 20.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Saccharide Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909023368A GB9023368D0 (en) | 1990-10-26 | 1990-10-26 | Smoking article |
GB9023368 | 1990-10-26 | ||
SG15695A SG15695G (en) | 1990-10-26 | 1995-01-30 | Smoking article |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0482872A1 EP0482872A1 (en) | 1992-04-29 |
EP0482872B1 true EP0482872B1 (en) | 1994-12-14 |
Family
ID=26297856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91309726A Expired - Lifetime EP0482872B1 (en) | 1990-10-26 | 1991-10-22 | Smoking article |
Country Status (29)
Country | Link |
---|---|
EP (1) | EP0482872B1 (pt) |
JP (1) | JPH04262773A (pt) |
CN (1) | CN1061331A (pt) |
AP (1) | AP247A (pt) |
AT (1) | ATE115368T1 (pt) |
AU (1) | AU644690B2 (pt) |
BG (1) | BG60511B1 (pt) |
BR (1) | BR9104585A (pt) |
CS (1) | CS317291A3 (pt) |
CU (1) | CU22191A3 (pt) |
CY (1) | CY1832A (pt) |
DE (1) | DE69105914T2 (pt) |
DK (1) | DK0482872T3 (pt) |
ES (1) | ES2068522T3 (pt) |
FI (1) | FI915054A (pt) |
GB (1) | GB9023368D0 (pt) |
GR (1) | GR3015084T3 (pt) |
HU (1) | HUT66931A (pt) |
IE (1) | IE65380B1 (pt) |
IS (1) | IS3766A7 (pt) |
MA (1) | MA22324A1 (pt) |
MX (1) | MX9101730A (pt) |
NO (1) | NO176862C (pt) |
NZ (1) | NZ240084A (pt) |
PL (1) | PL167771B1 (pt) |
PT (1) | PT8860U (pt) |
RU (1) | RU2001591C1 (pt) |
SG (1) | SG15695G (pt) |
ZA (1) | ZA918002B (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8353298B2 (en) | 2006-07-12 | 2013-01-15 | Philip Morris Usa Inc. | Smoking article with impaction filter segment |
AU2008224550B2 (en) * | 2007-03-09 | 2013-07-04 | Philip Morris Products S.A. | Smoking article with open ended filter and restrictor |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996003060A1 (en) * | 1994-07-28 | 1996-02-08 | Lorillard Tobacco Company | Hollow smokable article |
GB2296853A (en) * | 1995-01-12 | 1996-07-17 | Chiu Christopher Chi Wah | Safety cigarette |
GB9724872D0 (en) * | 1997-11-26 | 1998-01-21 | British American Tobacco Co | Smoking articles |
WO2004021810A1 (ja) | 2002-09-04 | 2004-03-18 | Japan Tobacco Inc. | 喫煙用フィルター |
US7987856B2 (en) | 2005-12-29 | 2011-08-02 | Philip Morris Usa Inc. | Smoking article with bypass channel |
US8240315B2 (en) * | 2005-12-29 | 2012-08-14 | Philip Morris Usa Inc. | Smoking article with improved delivery profile |
PL2007233T3 (pl) | 2006-03-28 | 2020-03-31 | Philip Morris Products S.A. | Wyrób do palenia z ogranicznikiem |
WO2007116751A1 (ja) | 2006-03-30 | 2007-10-18 | Japan Tobacco Inc. | たばこ主流煙の処理方法および喫煙具 |
US20080047571A1 (en) * | 2006-07-12 | 2008-02-28 | Philip Morris Usa Inc. | Smoking article with plate impactor |
US8424539B2 (en) | 2006-08-08 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with single piece restrictor and chamber |
BRPI0603954B1 (pt) * | 2006-09-25 | 2014-05-20 | Souza Cruz Sa | Artigo para fumar e método de fabricação de um artigo para fumar |
US8235056B2 (en) * | 2006-12-29 | 2012-08-07 | Philip Morris Usa Inc. | Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system |
UA91165C2 (en) * | 2007-02-02 | 2010-06-25 | Джапан Тобакко Инк. | Smocking device |
JP2010094025A (ja) * | 2007-02-02 | 2010-04-30 | Japan Tobacco Inc | 喫煙用フィルター |
TW200911138A (en) * | 2007-03-09 | 2009-03-16 | Philip Morris Prod | Smoking articles with restrictor and aerosol former |
WO2008146548A1 (ja) * | 2007-05-28 | 2008-12-04 | Japan Tobacco Inc. | シガレット |
AR080556A1 (es) | 2009-10-09 | 2012-04-18 | Philip Morris Prod | Diseno de filtro para mejorar el perfil sensorial de articulos para fumar con boquilla de filtro de carbono |
US8424540B2 (en) | 2009-10-09 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with valved restrictor |
US8905037B2 (en) | 2009-10-15 | 2014-12-09 | Philip Morris Inc. | Enhanced subjective activated carbon cigarette |
US9138016B2 (en) | 2010-03-26 | 2015-09-22 | Philip Morris Usa Inc. | Smoking articles with significantly reduced gas vapor phase smoking constituents |
GB201104788D0 (en) * | 2011-03-22 | 2011-05-04 | British American Tobacco Co | Smoking article |
GB2491358A (en) * | 2011-05-31 | 2012-12-05 | British American Tobacco Co | Smoking device for generating an aerosol |
US9282772B2 (en) * | 2012-01-31 | 2016-03-15 | Altria Client Services Llc | Electronic vaping device |
CN106998797A (zh) * | 2014-12-08 | 2017-08-01 | 英美烟草(投资)有限公司 | 吸烟制品、吸烟制品过滤器部分和制造吸烟制品的方法 |
ES2717550B2 (es) * | 2017-12-21 | 2020-02-28 | Univ Alicante | Filtro combinado para la eliminacion de alquitranes y compuestos toxicos del humo del tabaco |
IT201800010060A1 (it) * | 2018-11-06 | 2020-05-06 | Gd Spa | Sigaretta |
KR20210081416A (ko) * | 2018-12-07 | 2021-07-01 | 니뽄 다바코 산교 가부시키가이샤 | 비연소 가열형 흡연 물품, 전기 가열형 흡연 시스템 및 비연소 가열형 흡연 물품의 제조 방법 |
CN110720665B (zh) * | 2019-10-15 | 2021-11-05 | 南通醋酸纤维有限公司 | 一种气溶胶生成结构、制备方法及应用 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1892093U (de) * | 1964-01-17 | 1964-04-30 | Werner Baehr | Filter fuer zigaretten od. dgl. mit drosselstellen, kondensationshohlraeumen und prallflaechen. |
CH424587A (de) * | 1965-07-28 | 1966-11-15 | Heusser Eduard | Filter zum Entzug der Teerstoffe aus dem Rauch der Tabakwaren |
US3496945A (en) * | 1967-03-31 | 1970-02-24 | Abraham Emil Tomkin | Air-admixed cigarette utilizing restrictive-flow orifice |
FR2004232A1 (pt) * | 1968-03-19 | 1969-11-21 | Grauvogel Kurt | |
US3527235A (en) * | 1968-05-24 | 1970-09-08 | Matra Corp | Tobacco smoke filter device |
GB1256117A (en) * | 1968-06-03 | 1971-12-08 | Universal American Corp | Refrigeration system |
JPS4938800B1 (pt) * | 1970-05-08 | 1974-10-21 | ||
CA913486A (en) * | 1970-05-25 | 1972-10-31 | Plourde Jacques | Selective air dosing means for cigarettes |
US3695274A (en) * | 1970-11-30 | 1972-10-03 | Brown & Williamson Tobacco | Piston type cigarette filter |
JPS4836477U (pt) * | 1971-09-03 | 1973-05-01 | ||
US3756249A (en) * | 1971-09-23 | 1973-09-04 | Kimberly Clark Co | Smokable article having internal air passageway |
BE790395A (fr) * | 1971-10-21 | 1973-02-15 | British American Tobacco Co | Perfectionnements aux articles a fumer |
US3773053A (en) * | 1972-01-24 | 1973-11-20 | Philip Morris Inc | Cigarette with controlled smoking profile |
JPS5119006Y2 (pt) * | 1972-04-11 | 1976-05-19 | ||
SE361840B (pt) * | 1972-04-13 | 1973-11-19 | Defibrator Ab | |
DE3115004A1 (de) * | 1981-04-14 | 1982-11-11 | Schöller, Wolfgang, 8000 München | Filter fuer zigaretten oder andere tabakerzeugnisse |
GB8329501D0 (en) * | 1983-11-04 | 1983-12-07 | British American Tobacco Co | Smoking articles |
JPS60156375A (ja) * | 1984-01-27 | 1985-08-16 | 樋口 清治 | 有害因子等の再燃焼防止タバコ |
GB8819291D0 (en) * | 1988-08-12 | 1988-09-14 | British American Tobacco Co | Improvements relating to smoking articles |
DK499289A (da) * | 1988-10-12 | 1990-04-13 | Rothmans Int Tobacco | Stangelementer til cigaretfiltre og cigaretter udstyret med saadanne stangelementer |
-
1990
- 1990-10-26 GB GB909023368A patent/GB9023368D0/en active Pending
-
1991
- 1991-10-02 AU AU85547/91A patent/AU644690B2/en not_active Ceased
- 1991-10-03 NZ NZ240084A patent/NZ240084A/en unknown
- 1991-10-07 ZA ZA918002A patent/ZA918002B/xx unknown
- 1991-10-10 IS IS3766A patent/IS3766A7/is unknown
- 1991-10-14 AP APAP/P/1991/000331A patent/AP247A/en active
- 1991-10-16 HU HU913264A patent/HUT66931A/hu unknown
- 1991-10-17 NO NO914076A patent/NO176862C/no unknown
- 1991-10-18 CN CN91109837A patent/CN1061331A/zh active Pending
- 1991-10-18 JP JP3298013A patent/JPH04262773A/ja active Pending
- 1991-10-21 CS CS913172A patent/CS317291A3/cs unknown
- 1991-10-21 MA MA22606A patent/MA22324A1/fr unknown
- 1991-10-21 RU SU915001762A patent/RU2001591C1/ru active
- 1991-10-22 AT AT91309726T patent/ATE115368T1/de not_active IP Right Cessation
- 1991-10-22 DK DK91309726.7T patent/DK0482872T3/da active
- 1991-10-22 DE DE69105914T patent/DE69105914T2/de not_active Expired - Fee Related
- 1991-10-22 EP EP91309726A patent/EP0482872B1/en not_active Expired - Lifetime
- 1991-10-22 ES ES91309726T patent/ES2068522T3/es not_active Expired - Lifetime
- 1991-10-23 BR BR919104585A patent/BR9104585A/pt unknown
- 1991-10-23 IE IE371791A patent/IE65380B1/en not_active IP Right Cessation
- 1991-10-24 MX MX9101730A patent/MX9101730A/es not_active Application Discontinuation
- 1991-10-24 CU CU91166A patent/CU22191A3/es unknown
- 1991-10-24 BG BG95363A patent/BG60511B1/bg unknown
- 1991-10-25 PL PL91292172A patent/PL167771B1/pl unknown
- 1991-10-25 FI FI915054A patent/FI915054A/fi not_active Application Discontinuation
-
1993
- 1993-08-06 PT PT8860U patent/PT8860U/pt not_active IP Right Cessation
-
1995
- 1995-01-30 SG SG15695A patent/SG15695G/en unknown
- 1995-02-16 GR GR950400302T patent/GR3015084T3/el unknown
- 1995-12-01 CY CY183295A patent/CY1832A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8353298B2 (en) | 2006-07-12 | 2013-01-15 | Philip Morris Usa Inc. | Smoking article with impaction filter segment |
AU2008224550B2 (en) * | 2007-03-09 | 2013-07-04 | Philip Morris Products S.A. | Smoking article with open ended filter and restrictor |
CN101657114B (zh) * | 2007-03-09 | 2013-07-31 | 菲利普莫里斯生产公司 | 带有端部敞开的过滤器和限流器的发烟制品 |
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Legal Events
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