EP1827142B1 - Zerfaserung von tabakmaterial - Google Patents

Zerfaserung von tabakmaterial Download PDF

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Publication number
EP1827142B1
EP1827142B1 EP05811333A EP05811333A EP1827142B1 EP 1827142 B1 EP1827142 B1 EP 1827142B1 EP 05811333 A EP05811333 A EP 05811333A EP 05811333 A EP05811333 A EP 05811333A EP 1827142 B1 EP1827142 B1 EP 1827142B1
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EP
European Patent Office
Prior art keywords
gap
tobacco material
tobacco
pressure
shearing
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.)
Active
Application number
EP05811333A
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German (de)
English (en)
French (fr)
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EP1827142A1 (de
Inventor
Uwe Ehling
Gerald Schmekel
Dietmar Franke
Matthias Link
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.)
British American Tobacco Germany GmbH
Original Assignee
British American Tobacco Germany GmbH
BAT Cigarettenfabriken 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
Priority claimed from DE102004059388A external-priority patent/DE102004059388B4/de
Application filed by British American Tobacco Germany GmbH, BAT Cigarettenfabriken GmbH filed Critical British American Tobacco Germany GmbH
Priority to PL05811333T priority Critical patent/PL1827142T3/pl
Publication of EP1827142A1 publication Critical patent/EP1827142A1/de
Application granted granted Critical
Publication of EP1827142B1 publication Critical patent/EP1827142B1/de
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    • 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
    • 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
    • A24B15/10—Chemical features 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
    • A24B3/00—Preparing tobacco in the factory

Definitions

  • the present invention relates to the defibering of tobacco material.
  • it relates to the production of shredded tobacco material by defibration and, more particularly, the invention shreds a tobacco rib material to produce a product having particularly advantageous properties which can ultimately be used to make smoking articles.
  • tobacco preparation i. in those processing operations that take place prior to actual cigarette making and packaging, the major tobacco materials, namely tobacco leaves (lamina) and tobacco stems, undergo several process steps before they can be used to make smoking articles.
  • Smoking articles may e.g. Cigarettes, cigarillos, rolls and sticks products as well as fine cut or pipe tobacco. Tobacco ribs can also be used at least partially in all of these smoking articles.
  • the said tobacco ribs may be whole tobacco ribs, which are also referred to below as tube ribs, or incompletely shredded tubular ribs, which are also referred to below as winnowings.
  • Winnowings are coarse shredded rib particles that are usually sorted out by sight processes from already shredded tobacco because they are undesirable in smoking articles due to their size and shape and would degrade the smoking article quality.
  • ZHV Winnowings Winnowings from cigarette manufacturing pack
  • TV Winnowings Winnowings are usually recycled or disposed of as waste.
  • the method of ribbed shredding has, in addition to the very high necessary processing humidity of e.g. about 40 to 45% the big disadvantage that the shredded material has too many small parts (fines), namely about 15 to 30%, depending on the process, which must be screened and either discarded or recycled to film recycled.
  • This disadvantage also has some other methods, e.g. Use mills in ribbed mincing.
  • rib processing processes process the ribs into tobacco sheet for mixing with a leaf tobacco mix. For this ribs are crushed into very small parts.
  • tobacco sheet manufacturing processes are known for example from DE 40 05 656 C2 and the DE 43 25 497 A1 known.
  • the tobacco foil processes work with additives such as binders (eg starch), humectants (eg glycerine) and other additives (eg flavor enhancers), and they produce a product depending on the process moderate to poor fillability and sensory deficits compared to leaf tobacco.
  • a process for producing agglomerates is known.
  • the finest tobacco dust particles are mixed with binders and liquid as in the aforementioned methods, and then ejected from a compression and heating chamber to form agglomerates, that is, the larger units.
  • binders there are the above-mentioned disadvantages of using binders.
  • Another disadvantage is that such a process is in principle not suitable for processing coarser tobacco material, since it is designed to produce larger agglomerates from small amounts of particles. A shredding of tobacco material is not possible in this process.
  • WO 94/01007 From the WO 94/01007 is a method for processing consisting of dried or mechanically dehydrated beet pulp or dried or mechanically dehydrated beet pulp containing material to feed known, wherein the material is compressed by a conveying element against the discharge end of a container, so that there with simultaneous increase in temperature on the material acting elevated pressure, and there is expressed from the container through a discharge out, which is changeable and closable by a counter-pressure element in the passage cross-section.
  • the object of the present invention to enable the production of shredded tobacco material without the above-mentioned disadvantages occurring.
  • the invention should make it possible to produce by comminution a tobacco product which is suitable directly or with little post-processing as a smoking article material. Furthermore, the processing time and complexity should be reduced.
  • the above-defined invention provides, inter alia, the following advantages:
  • the rib materials used are upgraded, so that the product produced has only slight sensory deficits compared to leaf tobacco and are therefore used to a greater extent in the tobacco blend of a smoking article can.
  • the product produced has a well-shredded and shredded structure, and is therefore optically scarcely discernible in cut-tobacco mixtures.
  • the processes are simple and inexpensive, resulting in low investment and production costs.
  • the space requirement for the devices to be used is very low due to the low complexity of the method.
  • the defibration produces a product that can result in a reduced CO / condensate ratio in cigarette smoke compared to otherwise processed rib products.
  • the invention enables continuous processing within a very short period of time; long storage times are avoided.
  • the advantages of the method according to the invention are based in particular on the combination of relaxation of the pressurized and heated tobacco material and the shear in the gap, whereby a very good defibering takes place overall.
  • the device according to the invention is concerned, its advantages are based in particular on the fact that the optimally shredded product can be produced by the mutually moving gap walls with high consistency and reliability.
  • the product obtainable by the invention in addition to the above-mentioned advantages, still has a filling capacity which is in the range of leaf tobacco and enables a high material yield; There are a few small parts. Storage times for tobacco rib material are greatly reduced or unnecessary.
  • the tobacco raw material may principally comprise a coarse tobacco material, in particular having a particle size of more than 2 mm. It can be a tobacco rib material or a winnowing material, in particular with a rib size of more than 2 mm. It should be noted that tobacco materials such as pipe fins, winnowings, short stems or stem fibers but also scraps (small leaf tobacco particles), other small tobacco pieces or a mixture of the components mentioned can be used.
  • the process according to the invention offers the possibility of processing the tobacco materials used without the addition of structure-forming materials to a product which can be used in the smoking article.
  • the tobacco starting material can be heated to a temperature of 60 ° to 180 ° C, in particular 100 ° to 140 ° C, preferably 110 ° to 130 ° C and to a pressure of 10 to 200 bar, in particular 40 to 150 bar, preferably 60 to 120 bar, wherein the residence time of the tobacco material in a continuous pass can be less than 3 minutes, in particular less than 2 minutes and preferably less than 1 minute.
  • the tobacco starting material is mechanically pressurized, in particular mechanically pressed in a chamber against the shear gap.
  • the material can be pressurized by means of a screw conveyor, which presses the material against the outlet side of the chamber of a heatable screw conveyor on which the shear gap is located.
  • the material can also be coarsely pre-shredded in the chamber or in the screw conveyor during transport to the shearing gap or coarsely pre-shredded.
  • the shear gap is biased closed according to one embodiment and is opened intermittently by the pressure of the tobacco material, wherein the material passes through the gap.
  • the material can also advantageously be passed through a continuously opened shear gap.
  • the shear gap walls perform a relative movement during the passage of the tobacco material, even at a constant gap distance, ie with a continuous gap opening.
  • the relaxation of the tobacco material takes place when passing through the shear gap in one embodiment to atmospheric pressure.
  • tobacco material conditioning may take place with or without casing and / or flavor feeding, with the increase in material moisture from about 9 to 12% to about 18 to 45%, more preferably 20 to 30%.
  • the tobacco material After relaxation and passing through the shear gap, the tobacco material According to one embodiment, have a moisture content of about 14 to 42%, preferably 16 to 18%, and it is possible to cool the tobacco material behind the shear gap at room temperature and under atmospheric pressure and thereby to dry or let it dry until it Has moisture of about 12 to 16%.
  • the shredded, pressure-shredded tobacco material from the method according to the invention can be supplied directly to further processing as a smoking article material if the tobacco raw material is a winnowing material or if sufficient pre-shredded material is used.
  • the shredded, pressure-shredded tobacco material may be subjected to classification according to the method of the invention, e.g. if the starting material is a very coarse rib material.
  • the materials which have been rejected during classification are subjected to the process again, and the residue which has not been separated out can be directly supplied for further use as a smoking article material.
  • the gap walls of the device may be away from each other and movable towards each other; the gap walls may be biased toward the closed state of the gap.
  • the gap walls with a fixed or fixed adjustable distance against each other be movable, in particular, the gap walls at a fixed distance of 0.01 mm to 2mm, in particular 0.1 mm to 0.5 mm.
  • the gap walls on roughness or profiles in particular groove or Wienrillenprofil isten which are arranged longitudinally or transversely to the gap wall movement direction and have a depth of up to 2 to 3 mm.
  • the distances of the shear gap are of course correspondingly larger than indicated above.
  • the gap wall arranged on the pressure chamber is fixed, while the counter wall is arranged movably on a counter holder provided with a movement drive.
  • the gap walls may be movable against each other continuously or intermittently, in one or two directions, or reciprocally.
  • the gap may be an annular gap, preferably a cone gap.
  • the pressure chamber has a plug screw as a conveyor for conveying the tobacco material from the inlet to the outlet.
  • a pressure generation by mechanical means such as is produced for example by a plug screw, in the context of the invention can in principle also take place otherwise. It is not excluded that the pressure is generated mechanically in other ways, for example by a piston device or not mechanically or not only mechanically via a gas pressure.
  • a Schneckenhunt pressure conditioning device is set in the same or in an upstream pressure chamber housing a Schneckenhunt pressure conditioning device.
  • a pressure conditioning device is for example in the DE 103 04 629 A1 described, and it is very well suited for combination with the Druckzermaschineung invention.
  • the pressure conditioning device may include all of the structural features disclosed in U.S. Pat FIG. 1 and the associated description of DE 103 04 629 A1 and these design features are hereby incorporated by reference.
  • the smoking article comprises a shredded, shredded tobacco material product made by any of the foregoing methods or apparatuses. It may have the tobacco material product in a proportion of up to 50%, in particular from 0.5% to 35% and particularly preferably from 0.5% to 25%.
  • the invention further includes the use of a one or two worm conveyor with a shear gap outlet for defibering tobacco material.
  • a shearing gap is an opening in which material is sheared during passage.
  • the process according to the invention can be carried out in all process variants and the device according to the invention can be used in all embodiments.
  • FIG. 1 the schematic procedure of tobacco preparation is FIG. 1 represented by ribs from the tubular to use in the final product.
  • Moisture values are given in terms of wetness and represent recommended and preferred values. Those skilled in the art can set optimum conditions if they follow the principles of the invention and thus adapt to optimal conditions of a particular device according to the invention (expansion plant).
  • the pipe fins typically enter the conditioning at a moisture content of about 10%.
  • the conditioning can be carried out under atmospheric conditions, advantageous is a conditioning at superatmospheric pressure, such as in the previously mentioned DE 103 04 629 A1 described.
  • a conditioning at superatmospheric pressure such as in the previously mentioned DE 103 04 629 A1 described.
  • the addition of casing and flavoring agents can also be carried out.
  • the ribs leave the conditioning with a humidity of about 18% to 45% and are handed over to the defibration of the invention. Details of the defibration will be described below, also with reference to embodiments according to the FIGS. 3 to 5 ,
  • the ribs When shredded, the ribs usually lose some moisture, so that now the shredded ribs with 16% to 42% moisture are classified. There too large rib parts are conveyed back again and go through the previously described sequence again. Typically, this proportion is low and is less than 10% of the total mass.
  • the other portion of the shredded ribs can now be treated differently depending on the desired process parameters. At humidities of, for example, 14% to 15%, the ribs go directly into the tobacco mixture for the end product smoking article. At higher humidities, eg 15% Up to 40%, the ribs still undergo expansion and drying and can then be added at the same 14% to 15% moisture in the mixture for the final product.
  • FIG. 2 shows the process, in particular with regard to the defibration according to the invention and the process steps taking place immediately thereafter, somewhat more detailed and with more limited or slightly different moisture values.
  • these values can always be selected and set by experts depending on the desired end product and the overall process parameters.
  • the FIG. 2 actually includes the first two process steps shown in boxes FIG. 1 (Conditioning, defibration, sifter).
  • the tobacco material in particular rib materials such as pipe lips, Winnowings, Short Stems and Stem Fibers, but also Scraps (small Blatttabakteilchen), other tobacco small parts or even a mixture of the individual enumerated components are conditioned in the first process step and depending on the material to about 20 % to 30% moistened.
  • the moistening and, if appropriate, the addition of flavor and casing can conventionally be carried out under atmospheric pressure with a short storage time or even without storage time or under pressure, such as in the DE 100 38 114 A1 and the DE 103 04 629 A1 is described.
  • Short Stems or Stem Fibres pre-crushing of the material can be carried out on particle sizes between 2 and 15 mm, which is depending on the selected method and partially already frayed.
  • the pre-shredding can be done by all common methods. However, dust and small parts should be avoided (smaller quantities of very small parts are tolerable). With the smaller starting materials, pre-shredding can be completely dispensed with.
  • the material is heated (about 60 ° to 180 ° C) and pressurized (about 10 to 200 bar), on the one hand to achieve the desired taste improvement by chemically running processes (eg Maillard reaction or caramelization) and on the other hand Sufficient energy to store the defibration by shearing and relaxing over a shear gap.
  • chemically running processes eg Maillard reaction or caramelization
  • Sufficient energy to store the defibration by shearing and relaxing over a shear gap can be carried out with commercially available stuffing screws whose housing can also be heated in particular. Such systems will be described in more detail below.
  • the tobacco material loses further moisture by evaporative cooling, so that it is possible to come without a dryer to a final product moisture, which allows a direct blending into the leaf tobacco mixture.
  • Whether a classification of the shredded tobacco material and the associated return of too large particles in the process is necessary depends on the material to be crushed and the type of pre-crushing. For ZHV winnowings or similar sized material, classification is usually not necessary.
  • the extruder instead of e.g. preferably pre-shredded with a mill or crusher and with a heated plug screw to produce pressure and temperature, it is also preferable to use a single- or twin-screw extruder, because here the material pre-shredded by shearing, heated by the friction during crushing simultaneously and by the compression of the screw, a corresponding pressure is built up. So you can summarize with a device equal to three necessary process steps. In this case, the extruder must be designed so that the material is not otherwise comminuted and plasticized as usual in extrusion processes and desired (high density), but the fiber structure of the tobacco material is maintained. So there should be no extrusion in the classical sense.
  • a DruckzerfaserungsVoroplasty invention is shown, which is provided overall with the reference numeral 1. It has a chamber housing 2 and an auger 3 provided in this, which is rotated via the motor 4. Furthermore, in the drawing of FIG. 3 a tobacco material inlet 5 and optional inlets, for water, casing (and / or flavor) and steam are shown, bearing the reference numerals 6 and 7. At the outlet end (in the figure on the right), the chamber has a head 8, which forms an inner cone. The inner cone wall of the head 8 forms together with the outer cone wall of the outer cone 10, the gap 9 through which the subsidized by the screw 3 tobacco material can escape. At the gap tip of the inner cone 8 is an opening to the interior of the chamber 2 out. The leaked, shredded tobacco material is designated by the reference numeral 12.
  • the outer cone 10 is positioned by a counter-holder 11, which can simultaneously provide a rotary drive for the cone body 10.
  • the cone 10 By means of this rotary drive, the cone 10, as shown by the curved arrow, are rotated about the central axis.
  • the connection between the counter-holder 11 and the cone 10 is represented by a double arrow, which means that the cone 10 can be moved up on the axis of the inner cone 8. There he can be held firmly in its axial position, but also be arranged axially movable.
  • the width of the gap can be adjusted or adjusted, in addition, a back pressure to the left, ie generated in the direction of the closure of the gap 9 out, preferably by hydraulic means.
  • the first part of the defibration of the tobacco ribs is carried out according to the invention under superatmospheric pressure.
  • This overpressure is generated by the tobacco material, in the special case conditioned tobacco ribs are conveyed in the chamber 2 by the screw 3, after they were introduced via the inlet 5.
  • a shear gap outlet At the end of the auger there is a shear gap outlet, which almost closes off the delivery chamber similar to an extruder.
  • this stencil outlet is as in FIG. 3 shown, designed as an annular gap, namely as a cone gap 9, the gap width by the outer cone 10 (punch) is adjustable.
  • the ribs are under an increased pressure (up to 200 bar) and an elevated temperature (in particular well above 100 ° C).
  • conditioning and pressure fraying depends on the pressure conditions at which conditioning is performed.
  • the tobacco material is simply conveyed via conveyors or a conveyor belt into the inlet 5, e.g. an inlet funnel fed.
  • the conditioning can then take place, for example, at an intermediate point of the housing 2 by introducing water and casing, as indicated by the reference numeral 6.
  • the crucial step of the defibration takes place during the passage and the exit from the gap 9.
  • the tobacco ribs are subjected to shearing between the gap walls, and upon exiting the gap, the previously mentioned flash evaporation takes place.
  • the interaction of these effects produces the very well-shredded process product, which can be used at least to a large extent already in the production of smoking articles.
  • This rotation can be continuous or interrupted in one direction or change the direction of rotation.
  • the rotation may be complete or may include only quarter / or third turns or smaller / larger units.
  • the surface of at least one of the cones, the inner cone on the head 8 or the outer cone on the punch 10 is roughened or profiled, for example by the introduction of grooves or cross grooves up to 2 or 3 mm depth.
  • the depth and the course (direction) of the grooves can be adjusted in any way.
  • blockages can be greatly reduced. This gives more homogeneous pressure conditions, which also lead to a more homogeneous end product.
  • the resulting defibrated process product exhibits similar appearance and usage characteristics as are known from shredded ribs.
  • the pressure defibration according to the invention does not have the disadvantage of a high dust accumulation, as it is known in shredding ribs, also does not need to be pre-moistened as much as shredding, so that subsequent drying can be greatly reduced or eliminated.
  • the pressure conditioning device 20 is generally such as shown in the DE 103 04 629 A1 especially in FIG. 1 and the associated description. Reference is additionally made to this. It has a tobacco material inlet 25 and a differential-pressure-resistant rotary valve 26, via which the tobacco material is introduced into the pressure chamber 21, where it is transported by means of a screw conveyor 22. The screw conveyor 22 is driven by the motor 24.
  • an outlet 27 for the tobacco material is shown, which simultaneously forms the inlet for the pressure-fusing device 1.
  • the tobacco material is transferred under the pressure of the chamber 21 into the inlet of the pressure-fusing device 1.
  • FIG. 4 it is preferable to avoid a pressure drop when passing from the pressure conditioning into the pressure defibration in order to be able to provide a superatmospheric pressure over the entire process range from the beginning of the conditioning to the defibration, as in FIG. 4 is shown.
  • the entire facility in FIG. 4 corresponds to the box "conditioning (and casing) / defibration" in FIG. 1 .
  • the ribs are fed via the differential-pressure-tight rotary valve 26.
  • the tightness of the lock 26 on one side and the narrow annular gap 9, which is always filled with shredded ribs in operation, allow to maintain a superatmospheric pressure throughout the combined device.
  • the tightness of the rotary valve 26 can be optimized for this purpose by heating its housing.
  • the ribs After the introduction of the tobacco ribs in the chamber 21, the ribs are under superatmospheric pressure, which is maintained by steam supply against the naturally leaking rates of the rotary valve 26 (column and Schöpfvolumen). The steam heats the ribs and increases the humidity. In principle, in such a chamber, a drying with supersaturated steam is possible, but it is usually already for the application to defibration advantageous if the registered ribs have significantly higher humidities.
  • the screw conveyor 22 By means of the screw conveyor 22, the tobacco ribs are conveyed through the conditioning chamber 21. In this case, various settings can be made (pitch of the screw, speed and inclination of the chamber), with which the residence time of the tobacco ribs can be adjusted. It is usually between 2 and 10 minutes.
  • the ribs are then transferred through the outlet 27 in the Druckzerfaserungsvorraum 1, and this entry can be easily achieved if the housing also funnel-shaped is trained.
  • the typical residence time of the ribs in the area of defibration is less than 2 minutes, in particular less than 1 minute. The ribs then leave the pressure defibration in the desired, previously described condition.
  • a conditioning screw under atmospheric pressures can also be used.
  • FIG. 5 shows a further embodiment of a plant with combined pressure conditioning and pressure defibration.
  • the pressure conditioning device 20 and the pressure fiberizer 1 are basically constructed as in FIGS Figures 3 and 4 illustrated, why the designation of the individual components is unnecessary.
  • the difference to the embodiment according to FIG. 4 is that the auger of the conditioning device 20 and the fiberizing screw of the pressure fusing device 1 sit on an axle and can be driven by a single motor. If the same rotational speed is then used for both screws, the different residence times in both process steps can be achieved by other means, eg by different cross-sectional volumes, fallback possibilities in the area of conditioning, etc.
  • the conditioning measures and the steam injection are made by the corresponding already existing introduction possibilities of the pressure conditioning device, so it must not be made appropriate entries on the Druckzerfaserungsvorraum.
  • the introduction of flavor and / or casing can be carried out both in the pressure range, ie in one of the pressure chambers, or atmospherically, ie outside the chambers.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP05811333A 2004-12-09 2005-11-28 Zerfaserung von tabakmaterial Active EP1827142B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05811333T PL1827142T3 (pl) 2004-12-09 2005-11-28 Rozwłóknianie materiału tytoniowego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004059388A DE102004059388B4 (de) 2004-12-09 2004-12-09 Zerfaserung von Tabakmaterial
DE202004019711U DE202004019711U1 (de) 2004-12-09 2004-12-21 Vorrichtung zur Herstellung von zerkleinertem Tabakmaterial
PCT/EP2005/012687 WO2006061117A1 (de) 2004-12-09 2005-11-28 Zerfaserung von tabakmaterial

Publications (2)

Publication Number Publication Date
EP1827142A1 EP1827142A1 (de) 2007-09-05
EP1827142B1 true EP1827142B1 (de) 2011-06-22

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US (1) US7934509B2 (es)
EP (1) EP1827142B1 (es)
KR (1) KR100967767B1 (es)
AR (1) AR053420A1 (es)
AU (1) AU2005313656B2 (es)
CA (1) CA2584344C (es)
PL (1) PL1827142T3 (es)
WO (1) WO2006061117A1 (es)

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DE102004059388B4 (de) 2004-12-09 2006-11-30 British American Tobacco (Germany) Gmbh Zerfaserung von Tabakmaterial
CA2584344C (en) 2004-12-09 2012-01-17 British American Tobacco (Germany) Gmbh Defibration of tobacco material
DE102006057290B4 (de) * 2006-12-05 2008-10-30 British American Tobacco (Germany) Gmbh Tabakzerfaserung mit zweiseitig gelagerter Förderschneckenwelle
DE102008052209B4 (de) 2008-10-17 2016-05-12 British American Tobacco (Germany) Gmbh Modulare Tabakvorbereitung mit Extrusion
DE102008052720B4 (de) * 2008-10-22 2014-01-02 British American Tobacco (Germany) Gmbh Extraktive Tabakmaterial-Extrusion
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WO2013131980A1 (en) 2012-03-06 2013-09-12 Ht Nutri Sàrl A method of processing tobacco and its by-products
GB201312501D0 (en) 2013-07-12 2013-08-28 British American Tobacco Co Material for inclusion in a smoking article
WO2015197553A1 (en) * 2014-06-24 2015-12-30 Philip Morris Products S.A. Reconstituted tobacco sheets and related methods
HUE048915T2 (hu) * 2014-06-24 2020-08-28 Philip Morris Products Sa Feldolgozott dohánylapok és a kapcsolódó eljárások
IT202000004129A1 (it) * 2020-02-27 2021-08-27 Magg Consulting S R L Metodo perfezionato per il trattamento del tabacco.
GB202101101D0 (en) 2021-01-27 2021-03-10 British American Tobacco Investments Ltd Non-combustible active substance delivery article design system and method
CN114403489B (zh) * 2021-12-14 2022-12-02 上海烟草集团有限责任公司 一种烟草薄片及其制备方法

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US7934509B2 (en) 2011-05-03
AR053420A1 (es) 2007-05-09
PL1827142T3 (pl) 2011-11-30
KR100967767B1 (ko) 2010-07-05
KR20070087000A (ko) 2007-08-27
EP1827142A1 (de) 2007-09-05
WO2006061117A1 (de) 2006-06-15
US20080142027A1 (en) 2008-06-19
CA2584344A1 (en) 2006-06-15
AU2005313656B2 (en) 2009-12-17
AU2005313656A1 (en) 2006-06-15
CA2584344C (en) 2012-01-17

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