RO87348B - Filtru pentru tigarete - Google Patents
Filtru pentru tigareteInfo
- Publication number
- RO87348B RO87348B RO106878A RO10687882A RO87348B RO 87348 B RO87348 B RO 87348B RO 106878 A RO106878 A RO 106878A RO 10687882 A RO10687882 A RO 10687882A RO 87348 B RO87348 B RO 87348B
- Authority
- RO
- Romania
- Prior art keywords
- filter
- air
- tubes
- smoke
- ventilation
- 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
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Inventia se refera la un filtru pentru tigarete, care contine un element filtrant poros ce face parte din ansamblu filtrant, respectiv dispus la capatul unei tigari, cu aspirarea fumului prin element, care, în scopul realizarii unui amestec rapid al aerului de ventilatie cu fumul, fiecare ansamblu filtrant este prevazut cu un numar de cel putin 3 tuburi de ventilare a aerului, plasate în jurul ansamblului respectiv, fiecare din tuburile mentionate avînd o deschidere pentru iesirea aerului dispusa la capatul filtrului si o deschidere de intrare a aerului exterioara fata de filtru, plasata departat fata de respectivul capat al tigaretei, tubul respectiv fiind închis pentru prevenirea intrarii fumului, iar filtrul fiind caracterizat de ecuatia: ( vezi formula) în care K este un numar mai mare de 0,035 Av este sectiunea transversala medie a tuburilor, Af este sectiunea transversala totala a filtrului, n este numarul tuburilor iar U este procentul de aer de ventilare a fluidului total care paraseste filtrul si este definit de ecuatia: (vezi formula) în care qv este viteza debitului total de aer prin tuburi iar qs este viteza debitului de fum prin filtru, în care trebuie ca raportul Ar/Af mai mic 0,01, ia din debitul total (aer de ventilare si fum).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/243,168 US4365641A (en) | 1979-04-11 | 1981-03-12 | Cigarette filter |
Publications (2)
Publication Number | Publication Date |
---|---|
RO87348B true RO87348B (ro) | 1985-08-31 |
RO87348A RO87348A (ro) | 1985-08-31 |
Family
ID=22917610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO82106878A RO87348A (ro) | 1981-03-12 | 1982-03-11 | Filtru pentru tigareta |
Country Status (34)
Country | Link |
---|---|
US (2) | US4498488A (ro) |
EP (1) | EP0060488B1 (ro) |
JP (2) | JPS57166979A (ro) |
KR (1) | KR830008531A (ro) |
AR (1) | AR227577A1 (ro) |
AT (1) | ATE14067T1 (ro) |
AU (1) | AU546399B2 (ro) |
BG (1) | BG51237A3 (ro) |
BR (1) | BR8201291A (ro) |
CA (1) | CA1177721A (ro) |
CS (1) | CS228150B2 (ro) |
DE (2) | DE3264490D1 (ro) |
DK (1) | DK152328C (ro) |
EG (1) | EG16509A (ro) |
ES (1) | ES272006Y (ro) |
FI (1) | FI69237C (ro) |
FR (2) | FR2513093B2 (ro) |
HK (1) | HK14487A (ro) |
HU (1) | HU185695B (ro) |
IE (1) | IE52556B1 (ro) |
IL (1) | IL65077A (ro) |
IN (1) | IN156401B (ro) |
KE (1) | KE3677A (ro) |
MX (1) | MX156021A (ro) |
NO (1) | NO154481C (ro) |
NZ (1) | NZ199804A (ro) |
PH (1) | PH18281A (ro) |
PL (1) | PL133542B1 (ro) |
RO (1) | RO87348A (ro) |
SU (1) | SU1145909A3 (ro) |
TR (1) | TR20963A (ro) |
YU (1) | YU42260B (ro) |
ZA (1) | ZA82738B (ro) |
ZW (1) | ZW4082A1 (ro) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4784632A (en) * | 1981-05-07 | 1988-11-15 | American Filtrona Corporation | Tobacco smoke filter and method and apparatus for making same |
US4552158A (en) * | 1981-12-23 | 1985-11-12 | American Filtrona Corporation | Free air dilution smoke filter and method and apparatus for fabricating same |
US4499912A (en) * | 1981-12-23 | 1985-02-19 | American Filtrona Corporation | Free air dilution smoke filter and method and apparatus for fabricating same |
US4406294A (en) * | 1982-02-16 | 1983-09-27 | Brown & Williamson Tobacco Corporation | Cigarette filter |
EP0102247B1 (en) * | 1982-09-01 | 1987-10-28 | Imperial Tobacco Limited | Tipping assembly for an elongate smoking article |
US4527573A (en) * | 1982-11-05 | 1985-07-09 | Philip Morris Incorporated | Filter cigarette |
GB8424978D0 (en) * | 1984-10-03 | 1984-11-07 | British American Tobacco Co | Smoking articles |
US4681125A (en) * | 1985-03-06 | 1987-07-21 | Brown & Williamson Tobacco Corporation | Mouthpiece for tobacco smoke article |
GB8908535D0 (en) * | 1989-04-14 | 1989-06-01 | Tabac Fab Reunies Sa | Cigarette and filter thereof |
US5178166A (en) * | 1990-09-20 | 1993-01-12 | Philip Morris Incorporated | Filter cigarette |
DE4205658A1 (de) * | 1992-02-25 | 1993-08-26 | Reemtsma H F & Ph | Ventilierte filtercigarette |
US5318201A (en) * | 1993-04-14 | 1994-06-07 | Brown & Williamson Tobacco Corporation | Apparatus for agitating cigarette filters in a filter hopper |
US20060185687A1 (en) * | 2004-12-22 | 2006-08-24 | Philip Morris Usa Inc. | Filter cigarette and method of making filter cigarette for an electrical smoking system |
US20100059075A1 (en) * | 2008-09-09 | 2010-03-11 | Steve Woodson | Ventilated smoking material perforation apparatus and method |
US20100059072A1 (en) * | 2008-09-09 | 2010-03-11 | Steve Woodson | Ventilated smoking material perforation apparatus, method and product |
US8863750B2 (en) * | 2008-12-24 | 2014-10-21 | Philip Morris Usa Inc. | Filter cigarillo |
GB0906187D0 (en) * | 2009-04-09 | 2009-05-20 | British American Tobacco Co | Smoking article filter |
GB201213786D0 (en) | 2012-08-01 | 2012-09-12 | Filtrona Filter Prod Dev Co | Tobacco smoke filter |
US11930839B1 (en) | 2023-02-07 | 2024-03-19 | Dimitry Boss | Cigarette loading machines and method therefore |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3490461A (en) * | 1967-04-20 | 1970-01-20 | Philip Morris Inc | Cigarette ventilation |
GB1299805A (en) * | 1970-07-17 | 1972-12-13 | Molins Ltd | Improvements relating to cigarette filters |
US3958579A (en) * | 1972-09-07 | 1976-05-25 | Baker-Alpha Corporation | Cigarette filter |
US3910288A (en) * | 1973-02-27 | 1975-10-07 | Brown & Williamson Tobacco | Programmed filter |
US4022221A (en) * | 1975-10-31 | 1977-05-10 | American Filtrona Corporation | Tobacco smoke filter |
GB1508084A (en) * | 1976-03-17 | 1978-04-19 | British American Tobacco Co | Tobacco-smoke filters |
US4082098A (en) * | 1976-10-28 | 1978-04-04 | Olin Corporation | Flavored cigarette |
JPS543960A (en) * | 1977-06-10 | 1979-01-12 | Mitsubishi Plastics Ind Ltd | Dilution injecting apparatus for agricultural chemicals |
AU4119078A (en) * | 1977-11-18 | 1980-05-08 | Philip Morris Inc | Filter system |
US4256122A (en) * | 1979-04-11 | 1981-03-17 | Brown & Williamson Tobacco Corporation | Cigarette filter |
-
1980
- 1980-12-21 US US06/451,892 patent/US4498488A/en not_active Expired - Lifetime
-
1981
- 1981-03-12 US US06/243,168 patent/US4365641A/en not_active Expired - Lifetime
-
1982
- 1982-02-05 ZA ZA82738A patent/ZA82738B/xx unknown
- 1982-02-16 IE IE332/82A patent/IE52556B1/en not_active IP Right Cessation
- 1982-02-16 AU AU80531/82A patent/AU546399B2/en not_active Expired
- 1982-02-19 AR AR288481A patent/AR227577A1/es active
- 1982-02-22 IL IL65077A patent/IL65077A/xx unknown
- 1982-02-23 IN IN208/CAL/82A patent/IN156401B/en unknown
- 1982-02-23 NZ NZ199804A patent/NZ199804A/en unknown
- 1982-03-01 TR TR20963A patent/TR20963A/xx unknown
- 1982-03-01 CA CA000397328A patent/CA1177721A/en not_active Expired
- 1982-03-02 HU HU82668A patent/HU185695B/hu unknown
- 1982-03-08 YU YU490/82A patent/YU42260B/xx unknown
- 1982-03-08 EP EP82101833A patent/EP0060488B1/en not_active Expired
- 1982-03-08 AT AT82101833T patent/ATE14067T1/de not_active IP Right Cessation
- 1982-03-08 DE DE8282101833T patent/DE3264490D1/de not_active Expired
- 1982-03-08 DE DE198282101833T patent/DE60488T1/de active Pending
- 1982-03-10 PH PH26973A patent/PH18281A/en unknown
- 1982-03-10 BR BR8201291A patent/BR8201291A/pt not_active IP Right Cessation
- 1982-03-10 EG EG121/82A patent/EG16509A/xx active
- 1982-03-10 MX MX191741A patent/MX156021A/es unknown
- 1982-03-10 CS CS821630A patent/CS228150B2/cs unknown
- 1982-03-10 FI FI820819A patent/FI69237C/fi not_active IP Right Cessation
- 1982-03-11 BG BG55754(A patent/BG51237A3/xx unknown
- 1982-03-11 SU SU823411652A patent/SU1145909A3/ru active
- 1982-03-11 RO RO82106878A patent/RO87348A/ro unknown
- 1982-03-11 NO NO820789A patent/NO154481C/no not_active IP Right Cessation
- 1982-03-11 ES ES1982272006U patent/ES272006Y/es not_active Expired
- 1982-03-11 DK DK106382A patent/DK152328C/da not_active IP Right Cessation
- 1982-03-12 KR KR1019820001072A patent/KR830008531A/ko unknown
- 1982-03-12 FR FR8204187A patent/FR2513093B2/fr not_active Expired
- 1982-03-12 JP JP57039270A patent/JPS57166979A/ja active Pending
- 1982-03-23 PL PL1982235586A patent/PL133542B1/pl unknown
- 1982-04-05 ZW ZW40/82A patent/ZW4082A1/xx unknown
-
1984
- 1984-05-04 FR FR848406939A patent/FR2542582B2/fr not_active Expired - Lifetime
-
1986
- 1986-11-18 KE KE3677A patent/KE3677A/xx unknown
-
1987
- 1987-02-19 HK HK144/87A patent/HK14487A/xx not_active IP Right Cessation
-
1992
- 1992-05-25 JP JP046285U patent/JPH0744404U/ja active Pending
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