GB1381203A - Process for improving the filling capacity of tobacco - Google Patents
Process for improving the filling capacity of tobaccoInfo
- Publication number
- GB1381203A GB1381203A GB5750572A GB5750572A GB1381203A GB 1381203 A GB1381203 A GB 1381203A GB 5750572 A GB5750572 A GB 5750572A GB 5750572 A GB5750572 A GB 5750572A GB 1381203 A GB1381203 A GB 1381203A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- tobacco
- atmospheric
- moisture content
- reduction
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
- A24B3/182—Puffing
Landscapes
- Manufacture Of Tobacco Products (AREA)
Abstract
1381203 Expanding tobacco BAT CIGARETTEN-FABRIKEN GmbH 13 Dec 1972 [17 Dec 1971] 57505/72 Heading A2C The filling capacity of tobacco is increased by subjecting tobacco with a moisture content greater than or equal to 19% to a reduction of pressure of at least 20% of the initial pressure with a pressure change velocity of at least 2% of the instantaneous pressure per second and fixing the condition of the tobacco by drying to a moisture content of less than 20%, the drop in pressure not being allowed to take place so rapidly that the cells are burst or puffed out because of interior overpressure. The pressure to which the tobacco is subjected may be reduced from atmospheric to below atmospheric with the drying preferably being effected at the lower pressure, or the pressure may be reduced from above atmospheric (e.g. 1.5 or 2 atmospheres absolute) down to atmospheric in which case the initial higher pressure must be built up gradually and/or maintained over a sufficiently long period to ensure saturation of the tobacco cells with gases before the pressure reduction is effected, Where the moisture content of the tobacco is relatively low, e.g. below 25%, it may be advantageous to increase the flexibility of the cell walls of the tobacco by raising its temperature to say 40-50‹C before effecting the pressure reduction.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712162902 DE2162902C3 (en) | 1971-12-17 | Process for improving the filling capacity of tobacco |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1381203A true GB1381203A (en) | 1975-01-22 |
Family
ID=5828410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5750572A Expired GB1381203A (en) | 1971-12-17 | 1972-12-13 | Process for improving the filling capacity of tobacco |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU464413B2 (en) |
| BE (1) | BE792793A (en) |
| CA (1) | CA977235A (en) |
| GB (1) | GB1381203A (en) |
| LU (1) | LU66674A1 (en) |
| NL (1) | NL7216813A (en) |
| ZA (1) | ZA728938B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0074059A2 (en) * | 1981-09-05 | 1983-03-16 | B.A.T. Cigarettenfabriken GmbH | Method of improving the filling capacity of tobacco material |
| US4513758A (en) * | 1982-05-11 | 1985-04-30 | Hauni-Werke Korber & Co. Kg | Method and apparatus for increasing the volume of tobacco |
| WO1995001108A1 (en) * | 1993-06-30 | 1995-01-12 | Imperial Tobacco Limited | Improvements in or relating to processing of smoking material |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388932A (en) * | 1980-12-31 | 1983-06-21 | Philip Morris, Incorporated | Process for improving filling power of expanded tobacco |
| US4414987A (en) | 1981-08-20 | 1983-11-15 | Philip Morris Incorporated | Process for increasing the filling power of tobacco lamina filler |
| US4458700A (en) * | 1982-04-15 | 1984-07-10 | Philip Morris Incorporated | Process for increasing the filling power of tobacco lamina filler having a low initial moisture content |
| US4497330A (en) * | 1982-07-06 | 1985-02-05 | Philip Morris Incorporated | Process for increasing the filling power of tobacco |
| US4532945A (en) * | 1982-09-21 | 1985-08-06 | Philip Morris Incorporated | Process for increasing and maintaining the filling power of tobacco |
-
1972
- 1972-12-11 NL NL7216813A patent/NL7216813A/xx not_active Application Discontinuation
- 1972-12-13 GB GB5750572A patent/GB1381203A/en not_active Expired
- 1972-12-13 CA CA158,778A patent/CA977235A/en not_active Expired
- 1972-12-14 AU AU50057/72A patent/AU464413B2/en not_active Expired
- 1972-12-15 LU LU66674A patent/LU66674A1/en unknown
- 1972-12-15 BE BE792793A patent/BE792793A/en unknown
- 1972-12-18 ZA ZA00728938A patent/ZA728938B/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0074059A2 (en) * | 1981-09-05 | 1983-03-16 | B.A.T. Cigarettenfabriken GmbH | Method of improving the filling capacity of tobacco material |
| EP0074059A3 (en) * | 1981-09-05 | 1985-12-04 | B.A.T. Cigaretten-Fabriken Gmbh | Method of improving the filling capacity of tobacco material |
| US4513758A (en) * | 1982-05-11 | 1985-04-30 | Hauni-Werke Korber & Co. Kg | Method and apparatus for increasing the volume of tobacco |
| WO1995001108A1 (en) * | 1993-06-30 | 1995-01-12 | Imperial Tobacco Limited | Improvements in or relating to processing of smoking material |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA728938B (en) | 1975-01-29 |
| NL7216813A (en) | 1973-06-19 |
| CA977235A (en) | 1975-11-04 |
| AU5005772A (en) | 1974-06-20 |
| DE2162902A1 (en) | 1973-07-19 |
| LU66674A1 (en) | 1973-02-19 |
| BE792793A (en) | 1973-03-30 |
| AU464413B2 (en) | 1975-08-28 |
| DE2162902B2 (en) | 1976-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |