EP2756767A1 - Dispositif et procédé de traitement du tabac - Google Patents

Dispositif et procédé de traitement du tabac Download PDF

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Publication number
EP2756767A1
EP2756767A1 EP14151068.5A EP14151068A EP2756767A1 EP 2756767 A1 EP2756767 A1 EP 2756767A1 EP 14151068 A EP14151068 A EP 14151068A EP 2756767 A1 EP2756767 A1 EP 2756767A1
Authority
EP
European Patent Office
Prior art keywords
oxidation
tobacco
atmosphere
oxygen
treatment
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.)
Withdrawn
Application number
EP14151068.5A
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German (de)
English (en)
Inventor
Matthias Bogusch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2756767A1 publication Critical patent/EP2756767A1/fr
Withdrawn legal-status Critical Current

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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
    • A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • 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
    • A24B3/12—Steaming, curing, or flavouring tobacco

Definitions

  • the invention relates to a method of treating tobacco, comprising conditioning the tobacco.
  • the invention further relates to a device for treating tobacco in such a method.
  • the object of the invention is to provide an energy-saving method for treating tobacco and a device therefor, which achieve an improvement in the quality and the taste of the tobacco thus treated, in particular without additives such as flavor or casings.
  • the invention solves this problem with the features of the independent claims.
  • the oxidation treatment according to the invention of the tobacco which is exposed for at least 30 minutes in an oxygen-enriched oxidation atmosphere, the taste of tobacco, in particular of Low Grade tobacco, already significantly improved at temperatures less than 45 ° C.
  • An addition of flavor or casings is not required.
  • the proportion of low-grade tobacco treated in accordance with the invention in a blend can be increased without impairing the quality or the taste, as a result of which overall costs can be saved.
  • the comparatively low temperatures of less than 45 ° C contribute to energy savings.
  • An oxygen-enriched oxidation atmosphere is to be understood in the context of the present application as an oxygenated and / or ozone-enriched oxidation atmosphere.
  • the duration of the oxidation treatment is preferably at most 72 hours, more preferably at most 48 hours, still more preferably at most 24 hours.
  • the duration of the oxidation treatment is according to the invention at least 30 minutes and preferably at least 60 minutes.
  • the average temperature of the tobacco during the oxidation treatment is at most 40 ° C, more preferably at most 35 ° C, still more preferably at most 29 ° C.
  • the average temperature of the tobacco during the oxidation treatment is advantageously in a temperature range between ambient temperature or 20 ° C and 44 ° C, preferably in the range between 20 ° C and 29 ° C, alternatively in the range between 25 ° C and 35 ° C. , for example in the range between 29 ° C and 35 ° C.
  • the tobacco is exposed to an ambient temperature or not heated oxidation atmosphere, whereby a particularly high energy saving can be achieved.
  • the tobacco is lapped during the oxidation treatment of the oxidizing atmosphere in order to treat the largest possible part of the tobacco volume as efficiently as possible.
  • the oxygen enrichment is advantageously carried out by supplying an oxygen-containing gas into the oxidation atmosphere. It may be fresh air, oxygen enriched (fresh) air, pure oxygen, ozone-containing gas, a mixture thereof, or other suitable oxygen-containing gas.
  • the oxygen content of the oxidation atmosphere during storage is preferably maintained at at least 18% by volume, preferably at least 20% by volume, more preferably at least 25% by volume, even more preferably at least 30% by volume.
  • the supply of oxygen into the oxidation atmosphere can be done in different ways.
  • the supply via a supply line, which is advantageous, but not mandatory part of a circulation line for a process gas.
  • a supply line which is advantageous, but not mandatory part of a circulation line for a process gas.
  • Other possibilities are conceivable.
  • a particularly simple possibility consists in a closable in particular by means of a valve opening in a wall of an oxidation device, which allows a controlled access of ambient air into the oxidation atmosphere.
  • the oxygen content of the oxidizing atmosphere is measured during the oxidation treatment. This can be done, for example, by measuring a color change caused by the oxidation, in particular darkening, of the tobacco or in another suitable manner.
  • control and / or regulate the oxygen content in the oxidation atmosphere in order to achieve a defined oxidation process or a defined degree of oxidation of the tobacco.
  • Oxygen content of the oxidation atmosphere are kept constant at a desired value or alternatively in a desired range of values.
  • Other forms of control are conceivable, for example, to set different values in different periods of the oxidation treatment.
  • the temperature and / or the humidity of the oxidation atmosphere can advantageously also be measured, controlled and / or regulated.
  • the apparatus for treating tobacco according to the method of the invention comprises an oxidation apparatus in which the tobacco for the oxidation treatment is exposed to an oxygen-enriched oxidation atmosphere at an average temperature of less than 45 ° C.
  • the oxidation treatment is carried out by storing the tobacco for at least 30 minutes in a storage apparatus under the oxidizing atmosphere.
  • the bearing device in this case forms the oxidation device.
  • the storage is preferably carried out at dormant or substantially dormant tobacco, ie at tobacco conveying speeds of on average less than 1 cm / s.
  • the storage time is preferably at most 72 hours, more preferably at most 48 hours, still more preferably at most 24 hours.
  • the storage period is at least 30 minutes and preferably at least 60 minutes.
  • the tobacco is stored for a period of time in the range between 60 minutes and 24 hours, more preferably over a period of up to 10 hours, even more preferably over a period of up to 4 hours.
  • the storage can advantageously be carried out in a substantially closed storage device in order to be able to maintain a preferred constant oxidation atmosphere and to avoid energy losses.
  • Essentially closed means, in particular, that the tobacco feed / outlet opening is closed during storage.
  • the Tabakzu wool- / - outlet opening is therefore closed, for example by means of a lid and preferably sealing. But also open oxidation or storage devices are possible.
  • the oxidation treatment is carried out by transporting the tobacco through an oxidation device.
  • the oxidation treatment can advantageously take place in a continuous conveying operation by the oxidation device, whereby dead times of the oxidation device are minimized due to loading and unloading operations.
  • the oxidation treatment can also be carried out batchwise in batch mode.
  • the moisture of the tobacco during the oxidation treatment is at least 11% m.c. (mass content, weight fraction), preferably at least 18% m.c., more preferably at least 25% m.c.
  • the humidity of the oxidizing atmosphere during the oxidation treatment can be increased by supplying water and / or water vapor. This can be done in particular via a supply line, which is particularly advantageous part of a circulation line for a process gas.
  • the oxidation device is constructed in multiple stages and preferably comprises a plurality of superimposed conveyors to be passed serially by the tobacco.
  • the invention is basically applicable to all types of tobacco and blends as well as in all forms, in particular strips and / or cut tobacco, applicable.
  • the invention is advantageously applicable to Virginia tobacco, high Virginia tobacco blend and / or Burley mixed tobacco blend.
  • tobacco bales 9 are sliced in a slicer 60.
  • the raw tobacco 10 is conditioned in an example conventional conditioning device 61.
  • the tobacco is moistened to a desired moisture and / or heated to a suitable temperature for further processing.
  • the tobacco is preferably moistened in the conditioning device 61 to a moisture content of at least 18% mc, for example in the range between 20% and 25% mc. All humidity information is based on the mass fractions.
  • the duration of the conditioning is typically less than 10 minutes, for example about 5 minutes.
  • the conditioned tobacco 12 is then fed into an oxidation device 62 and subjected there to an oxidation treatment to be described in more detail.
  • the oxygen content of the oxidizing atmosphere present in the oxidizer 62 is preferably maintained at at least 18% during the oxidation treatment. This can be done in particular by the supply of an oxygen-containing process gas to the oxidation device 62.
  • the tobacco is fed to a blending silo 63 for further processing (see FIG. 1 ).
  • the tobacco is cut by means of a cutting device 64 and dried in a dryer 65 to a moisture content below 25% mc, for example in the case of cut tobacco to a preferred final moisture in the range between 12% mc to 15% mc.
  • the arrangement of the blending silo 63 , the cutting device 64 and the dryer 65 may be different than shown.
  • the dryer 65 may be disposed in front of the cutter 64, or the cutter 64 and / or dryer 65 may be disposed in front of the blending silo 63.
  • the oxidizer 62 is located behind the blending silo 63.
  • the oxidizer 62 is disposed between the cutter 64 and the dryer 65.
  • the dryer 65 in front of the cutting device 64th the order is dryer 65 - oxidizer 62 - cutter 64.
  • the drying of the tobacco may be performed in the oxidizer 62; a separate dryer 65 may then be dispensable.
  • the blending silo 63 ' is modified so that it can serve as the oxidation device 62.
  • the modified blending silo 63 advantageously means for generating a process gas stream, means for supplying an oxygen-containing gas to the atmosphere during storage of the tobacco in the blending silo in particular by means of the process gas stream, optionally a heating element to the process gas To heat a storage temperature of less than 45 ° C, an advantageous sensor arrangement and / or an advantageous moistening on.
  • the oxidation device 62 is embodied here as a multi-stage conveying device and comprises a housing 70 which encloses a treatment space 75 in which a plurality of belt conveyors 71, 72, 73, 74 are arranged vertically one above the other.
  • the tobacco to be treated is introduced into the top of the oxidizer 62 and conveyed on the uppermost belt conveyor 71 in the direction of the arrow. At the end of the tape, the tobacco falls by gravity on the belt conveyor 72 arranged underneath, etc.
  • the treated tobacco is conveyed out of the oxidation device 62 with the lowermost conveyor 74.
  • the belt conveyors 71 to 74 are expediently operated alternately in opposite directions and at their ends preferably each have an offset, as in FIG. 5 shown so that the falling of a conveyor tobacco lands on the underlying conveyor. But this can also be achieved in other ways.
  • the oxidation device 62 preferably comprises means for generating a process gas stream, in particular a process gas line 27 and a blower 28 arranged therein.
  • the process gas line 27 connects outside of the housing 70 bushings on two opposite walls of the housing 70, for example floor and ceiling, which are provided in order to feed the process gas in and out of the treatment space 75 of the housing 70 on both sides inwards.
  • the process gas line 27 thus advantageously forms a process gas circuit with the treatment chamber 75 of the housing 70 and can thus also be referred to as a circulation line or recirculation line.
  • Distribution chambers 76, 77 are preferably provided in the area of the aforementioned passages, so that the largest possible part of the treatment space 75 is effectively flowed through by the process gas.
  • the direction of the process gas flow may be reversed and / or reversible, even during operation.
  • the means for generating a process gas stream may be formed by an air conditioner.
  • the oxidizer 62 advantageously comprises means 45 for supplying an oxygen-containing gas to the oxidizing atmosphere during the oxidation treatment, i. an oxygen supply device 45, on.
  • the oxygen supply device 45 preferably comprises a supply line 46, which preferably opens into the process gas line 27, but alternatively can also open directly into the housing or into the treatment space 75.
  • the supply of oxygen can be carried out in particular by means of a process gas containing oxygen.
  • the supply line 46 is connected to a reservoir 47 for oxygen-containing gas, in particular fresh air, oxygen-enriched air, pure oxygen, ozone-enriched air or a mixture thereof.
  • the supply of oxygen-containing gas is preferably controllable and / or controllable by means of a valve 48, in particular a control valve, arranged in the supply line 41.
  • the duration of the oxidation treatment in the oxidation device 62 is advantageously at least 30 minutes, preferably at least 60 minutes, for example about three hours.
  • the conveying speed of the conveyors 71 to 74 in the oxidizer 62 is adjusted to the duration of the oxidation treatment. It is possible that the conveyors 71 to 74 are operated discontinuously, i. that periods of stoppage of the conveyors 71 to 74 are provided, in which the tobacco rests in the oxidation device 62.
  • the oxygen supply and thus the oxygen content of the process gas by means of a sensor in a configuration 38 provided for detecting the oxygen content present in the storage space 23 and a corresponding control / regulating device 40 via the control valve 48.
  • the sensor 39 may for example be a sensor which measures a change in color caused by the oxidation of the tobacco, in particular darkening, of the tobacco.
  • the regulation takes place in particular in such a way that the oxygen content of the oxidation atmosphere in the treatment space 75 always has the desired nominal content of preferably at least 18% by volume or moves within a desired nominal range.
  • the oxygen content of the oxidizing atmosphere in the treatment space 75 may be controlled to be constant or substantially constant to a desired target level.
  • the oxidation atmosphere is set, for example, to a first predetermined oxygen content and then the control valve 48 is closed.
  • the control valve 48 is opened again as soon as the oxygen content of the oxidation atmosphere in the treatment space 75 falls below a second predetermined value.
  • the oxygen supply device 45 can therefore be operated continuously or discontinuously.
  • the process gas line 27 may advantageously be provided a heating element 37 to heat the process gas to a desired process temperature.
  • the process temperature is selected so that the average oxidation temperature of the tobacco is less than 45 ° C, i. at most 44 ° C, more preferably at most 40 ° C, even more preferably at most 35 ° C.
  • the heater 37 and thus the process gas temperature by means of a in a sensor assembly 38th provided measuring sensor 39 for detecting the prevailing in the treatment chamber 75 temperature and a corresponding control / regulating device 40, so that the temperature of the oxidation atmosphere in the treatment chamber 75 at any time has the desired setpoint temperature or moves within a desired temperature range.
  • the temperature of the oxidizing atmosphere in the treatment space 75 may be controlled to be constant or substantially constant to a desired target oxidation temperature.
  • the oxidizing atmosphere is heated to a first predetermined temperature and then the heater 37 is turned off. The heater 37 is turned on again as soon as the temperature of the oxidation atmosphere in the treatment chamber 75 falls below a second predetermined temperature.
  • the heater 37 can therefore be operated continuously or discontinuously.
  • the heater 37 may be omitted.
  • the process gas in particular ambient temperature.
  • the oxidation device 62 preferably has a moistening device 44, in particular a device for supplying water and / or water vapor to the oxidation atmosphere during the oxidation treatment.
  • the moistening device 44 preferably comprises a feed line 41, which preferably opens into the process gas line 27, but alternatively can also open directly into the housing 70 or into the treatment space 75.
  • the supply of moisture can be effected in particular by means of a process gas containing water vapor and / or water droplets.
  • the supply line 41 is, for example, with a steam generator 42 or a water reservoir connected.
  • the supply of moisture is preferably controllable and / or controllable by means of a valve 43, in particular a control valve, arranged in the supply line 41.
  • the water vapor / water supply and thus the moisture of the process gas is controlled by means of a provided in a sensor assembly 38 sensor 39 for detecting the prevailing in the treatment chamber 75 moisture and a corresponding control / regulating device 40 via the control valve 43, so that the moisture Oxidation in the treatment room 75 at any time a desired desired humidity of usually at most 40% or within a desired humidity range moves to the desired moisture of the tobacco of at least 11% mc, preferably at least 18% mc to achieve.
  • the humidity of the oxidation atmosphere in the treatment space 75 can be regulated, for example, constantly or substantially constantly to a desired setpoint humidity.
  • the oxidation atmosphere is moistened, for example, to a first predetermined humidity and then the control valve 43 is closed.
  • the control valve 43 is opened again as soon as the humidity of the oxidation atmosphere in the treatment space 75 drops below a second predetermined humidity.
  • the humidifying device 44 can therefore be operated continuously or discontinuously.
  • the oxidation device 62 is embodied here as a storage device 20.
  • the storage device 20 preferably comprises a storage container 21.
  • the container 21 is preferably mobile, which is in FIG. 6 is illustrated by a double arrow 52, and points to this Purpose, for example, rollers or wheels 51.
  • the storage container 21 comprises a receiving space or storage space 23 for the tobacco 24 to be stored and a tobacco introduction / discharge opening 26 which can be closed, for example, by means of a cover 25, so that a closed storage space 23 (treatment space 75) is formed, in which a Storage atmosphere (oxidizing atmosphere) is present.
  • the tobacco inlet / outlet opening 26 is preferably surrounded by a seal, so that the storage container 21 is advantageously closed in a sealed manner when the lid 25 is closed.
  • the storage device 20 preferably comprises a supply station 22, to which the storage container 21 is suitably connectable.
  • the supply station 22 preferably comprises the above-described means for generating a process gas stream, means 45 for supplying an oxygen-containing gas to the storage atmosphere during storage, optionally a heating element 37 to heat the process gas to a storage temperature of less than 45 ° C, a advantageous sensor arrangement 38 and / or an advantageous humidifying device 44.
  • the regulation of the oxygen content, the humidity and / or the temperature of the storage atmosphere can be mutatis mutandis of the embodiment according to FIG. 5 to the embodiment according to FIG. 6 be transmitted.
  • the lid 25 is part of the supply station 22 and, for example, by means of a hinge 34 rotatably articulated to a base 35 of the supply station 22. Between the cover 25 and the base 35, a lifting support 36 may be provided. Preferably, at least one bushing 29 is attached to the lid 25. Another passage 30 may be provided on the container 21, for example in the lower region of the container 21.
  • the Feedthrough 30 on the container 21 preferably comprises a coupling 50 provided with a seal, in particular a plug-in coupling.
  • the coupling 50 can be automatically actuated, in particular when the container 21 is moved into the supply station 22 or out of the supply station 22.
  • the clutch 50 may also be manually operable.
  • the lid 25 In the receptive state of the supply station 22, the lid 25 is in an open parking position.
  • a container of tobacco is moved up to the supply station 22 and connected thereto.
  • the clutch 50 is closed, in particular automatically by retracting the container 21 in the supply station 22, and the lid 25 in the closed position, here, for example, down, pivoted, in which the lid 25 sealingly closes the container 21.
  • storage of the tobacco in the oxidizing atmosphere may be performed as described above.
  • the storage in the oxidation atmosphere takes place over at least 30 minutes, preferably at least 60 minutes, for example about three hours.
  • the lid 25 is opened and optionally the coupling 50 is disconnected, so that the container 21 can be moved out of the supply station 22 with the oxidized tobacco.
  • a plurality of separate sensors may be provided for measuring the oxygen content and / or the temperature and / or the humidity of the oxidizing atmosphere.
  • the oxidation device is formed by a rotatable drum, which is flowed through by an oxygen-enriched process gas.
  • the drum can be rotated during the oxidation treatment continuously or discontinuously, interrupted by phases of standstill.
  • the drum advantageously has means for generating a process gas stream, means for supplying an oxygen-containing gas to the oxidizing atmosphere during the residence of the tobacco in the drum, in particular by means of the process gas stream, optionally a heating element, to supply the process gas to a treatment temperature of less than 45 ° C heating, an advantageous sensor arrangement and / or an advantageous moistening device.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacture Of Tobacco Products (AREA)
EP14151068.5A 2013-01-21 2014-01-14 Dispositif et procédé de traitement du tabac Withdrawn EP2756767A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013200891.0A DE102013200891A1 (de) 2013-01-21 2013-01-21 Verfahren und Vorrichtung zum Behandeln von Tabak

Publications (1)

Publication Number Publication Date
EP2756767A1 true EP2756767A1 (fr) 2014-07-23

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EP14151068.5A Withdrawn EP2756767A1 (fr) 2013-01-21 2014-01-14 Dispositif et procédé de traitement du tabac

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EP (1) EP2756767A1 (fr)
CN (1) CN103932384A (fr)
DE (1) DE102013200891A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115428979A (zh) * 2022-10-18 2022-12-06 湖北省烟草科学研究院 一种雪茄烟叶醇化的方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE557285C (de) * 1931-04-02 1932-08-20 Ludwig Lippmann Dr Verfahren zum Entnikotinisieren von Tabak
FR1430637A (fr) * 1965-04-07 1966-03-04 Procédé de séchage des feuilles de tabac et installation assurant sa mise en oeuvre
US4343318A (en) * 1979-07-05 1982-08-10 Linde Aktiengesellschaft Method of endothermic fermentation of tobacco
GB2102549A (en) * 1981-07-07 1983-02-02 Hauni Werke Koerber & Co Kg Drying tobacco
EP0484899A1 (fr) * 1990-11-07 1992-05-13 Japan Tobacco Inc. Procédé et appareil pour l'expansion du tabac
EP0845218A2 (fr) * 1996-11-14 1998-06-03 British-American Tobacco Company Limited Procédé et appareil pour le traitement des cÔtes de tabac pour la fabrication de tabac coupé
EP1188384A2 (fr) * 2000-09-15 2002-03-20 Hauni Maschinenbau AG Procédé ei dispositif de traitement de tabac
WO2011023715A1 (fr) * 2009-08-26 2011-03-03 Jt International S.A. Dispositif et procédé de transformation du tabac
EP2676557A1 (fr) * 2012-06-20 2013-12-25 HAUNI Maschinenbau AG Procédé de traitement de tabac et dispositif de stockage de tabac dans un tel procédé

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
CN1249916A (zh) * 1999-09-20 2000-04-12 黔江卷烟厂 一种利用光辐射和臭氧处理烟草及其制品的方法
CN1385117A (zh) * 2001-05-15 2002-12-18 周仲波 烟叶速效发酵法
CN102613693A (zh) * 2012-03-26 2012-08-01 华宝食用香精香料（上海）有限公司 一种用臭氧处理烟梗丝的方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE557285C (de) * 1931-04-02 1932-08-20 Ludwig Lippmann Dr Verfahren zum Entnikotinisieren von Tabak
FR1430637A (fr) * 1965-04-07 1966-03-04 Procédé de séchage des feuilles de tabac et installation assurant sa mise en oeuvre
US4343318A (en) * 1979-07-05 1982-08-10 Linde Aktiengesellschaft Method of endothermic fermentation of tobacco
GB2102549A (en) * 1981-07-07 1983-02-02 Hauni Werke Koerber & Co Kg Drying tobacco
EP0484899A1 (fr) * 1990-11-07 1992-05-13 Japan Tobacco Inc. Procédé et appareil pour l'expansion du tabac
EP0845218A2 (fr) * 1996-11-14 1998-06-03 British-American Tobacco Company Limited Procédé et appareil pour le traitement des cÔtes de tabac pour la fabrication de tabac coupé
EP1188384A2 (fr) * 2000-09-15 2002-03-20 Hauni Maschinenbau AG Procédé ei dispositif de traitement de tabac
WO2011023715A1 (fr) * 2009-08-26 2011-03-03 Jt International S.A. Dispositif et procédé de transformation du tabac
EP2676557A1 (fr) * 2012-06-20 2013-12-25 HAUNI Maschinenbau AG Procédé de traitement de tabac et dispositif de stockage de tabac dans un tel procédé

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115428979A (zh) * 2022-10-18 2022-12-06 湖北省烟草科学研究院 一种雪茄烟叶醇化的方法
CN115428979B (zh) * 2022-10-18 2023-06-23 湖北省烟草科学研究院 一种雪茄烟叶醇化的方法

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CN103932384A (zh) 2014-07-23
DE102013200891A1 (de) 2014-07-24

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