EP0345477B1 - Verfahren und Vorrichtung zur Herstellung von Tabakfolienstücken aus wiederaufbereitetem Tabak - Google Patents

Verfahren und Vorrichtung zur Herstellung von Tabakfolienstücken aus wiederaufbereitetem Tabak Download PDF

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Publication number
EP0345477B1
EP0345477B1 EP89108420A EP89108420A EP0345477B1 EP 0345477 B1 EP0345477 B1 EP 0345477B1 EP 89108420 A EP89108420 A EP 89108420A EP 89108420 A EP89108420 A EP 89108420A EP 0345477 B1 EP0345477 B1 EP 0345477B1
Authority
EP
European Patent Office
Prior art keywords
tobacco
rolls
sheet
extruder
pieces
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
Application number
EP89108420A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0345477A3 (de
EP0345477A2 (de
Inventor
Erhard Dr. Dipl.-Ing. Rittershaus
Hartwig Dipl.-Ing. Sibbers
Wilfried Dr. Dipl.-Ing. Stiller
Arno Dipl.-Ing. Weiss
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
Application filed by British American Tobacco Germany GmbH, BAT Cigarettenfabriken GmbH filed Critical British American Tobacco Germany GmbH
Publication of EP0345477A2 publication Critical patent/EP0345477A2/de
Publication of EP0345477A3 publication Critical patent/EP0345477A3/de
Application granted granted Critical
Publication of EP0345477B1 publication Critical patent/EP0345477B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products

Definitions

  • the invention relates to a method for producing tobacco foil pieces from reprocessed tobacco of the type specified in the preamble of claim 1 and a device for producing tobacco foil pieces from reprocessed tobacco of the type specified in the preamble of claim 6.
  • the grain size of the starting material must, for example, be chosen so that practically no particle is larger than the gap width of the slot die, otherwise it would jam in the gap and act as a germ for a blockage of the nozzle.
  • the filling capacity of the tobacco film depends crucially on the smallest possible thickness corresponding to a small nozzle gap width, the entire tobacco starting material must be ground and then sieved.
  • a method and a device for producing tobacco foil pieces from reprocessed tobacco of the type specified are finally known from DE-PS 33 39 247.
  • Dust-like tobacco waste and / or tobacco flour with binders and optionally additives are processed to a plastifiable mixture which is extruded into individual, strand-like intermediate products.
  • These strand-like intermediate products are then processed into pieces of film by forming a cylindrical strand from the plasticized mixture in an extruder into a thin-walled, continuously expanding hollow body and dividing it into thread-like, crimping intermediate products; the thread-like, crimped intermediate products are then separated into individual, crimped fiber pieces.
  • the invention is therefore based on the object of providing a method and a device for producing pieces of tobacco foil from refurbished tobacco of the type specified, in which the disadvantages mentioned above do not occur.
  • a method and a device which enable the manufacture of tobacco foil pieces in a structurally simple manner enable, with particularly low requirements being placed on the quality of the starting material, so that, for example, dust-like tobacco waste which arises in the manufacture of cigarettes can be processed into film without further pretreatment.
  • the advantages achieved with the invention are based on the following mode of operation:
  • the individual starting components namely dust and / or flour from tobacco parts, in particular tobacco waste, binders, in particular starch, CMC, vegetable gum, pectin or other conventional film binders, and further additives, in particular taste improvers, fire modifiers etc., are dry mixed together in the usual manner;
  • the liquid components are added, namely water, humectant, sugar syrup etc.
  • This free-flowing starting material due to the low water content of 16-20% by weight is mixed intensively with one another and then in an extruder at temperatures from 90 ° C to 120 ° C and pressures plasticized from 50 to 100 bar.
  • the plasticized mass produced in this way is then divided into several cylindrical strands with a diameter of 2 to 7 mm, in particular with a diameter of 3 to 5 mm, by the extruder nozzle. It is important that the distribution of the starting material among the different strands is carried out over flow paths of exactly the same length, so that the same flow velocity of the individual strands is achieved via the identical pressure losses that occur. The division must be carried out in pairs, so that a total of an even number, as represented by a power of 2, arises.
  • This band has a width of 10 to 100 mm, preferably 20 to 50 mm; the value used should be selected so that the strip width corresponds to the narrower edge length of the finished, rectangular piece of film.
  • the rolling together of the two adjacent strands into a single film strip can be carried out in one step and therefore requires only a small outlay on equipment; since the circumferential roller speed is relatively high, only a low torque and therefore a low motor power is required. This has to be compared with the previously extremely complex calender rolling mills.
  • a simply constructed rolling mill can be used, such as is used, for example, as a roller mill for crushing brittle materials and is available in many different, inexpensive embodiments.
  • the rollers are pressed together by threaded spindles to a gap thickness of 0 mm, the counterforce being generated by a plate spring assembly.
  • the film thickness is then adjusted to a value of 0.1 to 0.25 mm, in particular 0.18 to 0.22 mm, by means of a balance of spring force and the deformation resistance which results from the rheological properties of the plasticized tobacco mass.
  • the speed of the rollers is adjusted as a function of and in adaptation to the extrusion speed of the extruder so that continuous film strips are produced. It has proven to be expedient if the two rollers have different speeds, since the film strip then sticks to the faster roller and can be easily removed there. In this way it is avoided that the film strip can stick to both rollers and is thereby torn.
  • the surface of the two rollers should be hardened and borated or hard metal coated.
  • the surfaces of the rollers can be sprayed with water and / or steam as a release agent.
  • the two rollers stand on a displaceable frame which can be pushed back and forth by an eccentric drive, expediently in a continuous back and forth movement, so that the strands emitted by the extruder nozzle are distributed uniformly over the entire surface of the rollers and thereby the surface wear spread over the entire roller surface.
  • the film belts leaving the nip are pulled off by a speed-adjustable conveyor belt at the same speed in each case and then cut into pieces of 10 to 100 mm, preferably 30 to 50 mm, in length.
  • the film strips are sucked together with the ambient air through a cross cutting device, cut transversely and then pneumatically transported on.
  • a "lawn mower-like" cross cutting device which can simultaneously cut several foil strips into pieces of the desired length, the cutting length being adjustable via the speed of the cutting device.
  • the film pieces no longer need to be dried; However, the pieces of film are expediently cooled to room temperature in order to avoid the formation of condensation water during storage.
  • a container 12 for water a container 14 for binders, namely starch, CMC, vegetable gum, pectin or other conventional film binders, a container 16 for dust and / or flour from tobacco parts, in particular tobacco waste, a container 18 for additives such as taste improvers, fire modifiers, etc., and finally a container 20 for a humectant , Sugar syrup or other liquid components.
  • a container 12 for water a container 14 for binders, namely starch, CMC, vegetable gum, pectin or other conventional film binders
  • a container 16 for dust and / or flour from tobacco parts in particular tobacco waste
  • a container 18 for additives such as taste improvers, fire modifiers, etc.
  • a container 20 for a humectant a humectant , Sugar syrup or other liquid components.
  • the dry components from the containers 14 to 18 are premixed in a mixer 22, to which the liquid components from the containers 12 and 20 are then fed, so that the entire raw raw material can be mixed thoroughly.
  • the mixed raw raw material is fed to an extruder 24, which the raw raw material at temperatures from 90 ° C to 120 ° C. and pressures of 50 to 100 bar kneaded and thereby plasticized.
  • the plasticized mass from the extruder 24 is divided by the schematically indicated extrusion nozzle 26 into a plurality of cylindrical strands with a diameter of 2 to 7 mm, in particular with a diameter of 3 to 5 mm. It is important that the mass is divided over flow paths of exactly the same length, so that the individual strands have the same flow velocity due to the same pressure losses. This in turn means that the individual strands produced simultaneously are mechanically / geometrically identical.
  • Fig. 2 This basic principle is shown in Fig. 2;
  • the plasticized tobacco mass located at point X of the extruder 24 is, as can be seen from FIG. 2, divided into two flow paths of equal length, which in turn are divided into two further flow paths A or B and C or D, so that the strands A, B on the one hand and C, D on the other hand are each mechanically / geometrically identical.
  • the distance from the inlet X to the outlet channel A1 of the extruder nozzle 26 is equal to the flow path from the inlet X to the outlet channel A2.
  • exit channels A1, A2, B1, B2, C1, C2, D1 and D2 are also identical to one another. That is, for example, the strand on the outlet channel C1 is identical to the strand on the outlet channel D2.
  • All exit strands can have a cylindrical shape, ie exit channels with a circular cross-section that can be produced inexpensively are used in each case.
  • the cylindrical strands from the different outlet channels of the extrusion nozzle 26 are each rolled out in pairs to form foil strips, two adjacent strands, for example the strands from the extrusion channels A1 and A2, being rolled together to form a foil strip.
  • the corresponding rolling mill is indicated schematically at 28.
  • the two rolls 28a, 28b of this rolling mill 28 have a diameter of 250 mm and a width of 150 mm and run at a speed of 3 m / s.
  • the two rollers 28a, 28b are first pressed together to a gap thickness of 0 mm by means of a threaded spindle (not shown).
  • the counterforce is generated by a plate spring assembly (not shown).
  • the film thickness is adjusted via a balance of spring force and deformation resistance of the plasticized tobacco material to a value of 0.1 to 0.25 mm, in particular 0.18 to 0.22 mm.
  • the roller speed is set so that 24 continuous film strips result in adaptation to the output power of the extruder.
  • the surfaces of the two rollers 28a, 28b are hardened and borated or else provided with a hard metal coating. They are sprayed with water and / or steam as a release agent in order to facilitate the final separation of the film strips from the rollers 28a, 28b.
  • the rolling mill 28 stands on a displaceable frame and is pushed back and forth in the axial direction by an eccentric drive, so that the film strips come into contact with different places on the roll surfaces one after the other and the surface wear is thereby distributed over the entire roll surface.
  • the film strips produced in the rolling mill 28 have a width of 10 to 100 mm, in particular 20 to 50 mm, so that the strip width corresponds to the narrower edge length of the rectangular pieces of film to be explained.
  • the two rollers 28a, 28b have slightly different speeds, so that the film strips adhere to the faster roller and thereby prevent the film strips from being torn between the two rollers 28a, 28b.
  • the roller 28a runs somewhat faster, so that the film strips pulled off in the direction of the arrow are carried along by this roller and then placed on a speed-adjustable conveyor belt 30.
  • the device 10 according to FIG. 1 simultaneously produces a plurality of film strips with the desired width. If, for example, the extruder nozzle 26 according to FIG. 2 is used for the production of a total of eight cylindrical strands, four foil strips can be rolled out simultaneously.
  • the tobacco foils are fed from the conveyor belt 30 to a cross cutting device 32, which cuts the belts into pieces with a length of 10 to 100 mm, in particular 30 to 50 mm. Because of the high transport speeds of the film strips, the usual cross cutting devices, such as knives, are not suitable for this separation, so that instead a lawn mower-like cross cutting device 32 is used, the construction of which can be seen in FIG. 3.
  • the cross cutting device 32 has a cylindrical housing 34 in which two rotor disks 38 are rotatably mounted.
  • the right-hand rotor disk 38 as shown in FIG. 3 is connected to a rotor shaft 36 which can be rotated in the direction of the arrow by means of a drive device (not shown) and thereby also rotates the other rotor disk.
  • the two rotor disks 38 are connected to one another by obliquely running cutting strips 40, which act on the rotation of the two rotor disks 38 can be taken.
  • a fixed cutting bar 42 is located on the bottom of the housing 34.
  • the film strips supplied by the conveyor belt 30 are pneumatically sucked into the opening slot of the housing 34 and transported through the housing 34, whereby they are guided over the fixed cutting bar 42.
  • the individual cutting strips 40 are moved past the fixed cutting strip 42 and separate tobacco foil pieces, the lengths of which depend on the conveying speed of the foil strip on the one hand and the rotational speed of the rotor discs 38 and thus the cutting strips 40 on the other hand. With the appropriate setting, pieces of tobacco foil of the desired length can be produced.

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  • Manufacture Of Tobacco Products (AREA)
EP89108420A 1988-06-08 1989-05-10 Verfahren und Vorrichtung zur Herstellung von Tabakfolienstücken aus wiederaufbereitetem Tabak Expired - Lifetime EP0345477B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3819534 1988-06-08
DE3819534A DE3819534C1 (ru) 1988-06-08 1988-06-08

Publications (3)

Publication Number Publication Date
EP0345477A2 EP0345477A2 (de) 1989-12-13
EP0345477A3 EP0345477A3 (de) 1992-06-03
EP0345477B1 true EP0345477B1 (de) 1993-08-04

Family

ID=6356144

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89108420A Expired - Lifetime EP0345477B1 (de) 1988-06-08 1989-05-10 Verfahren und Vorrichtung zur Herstellung von Tabakfolienstücken aus wiederaufbereitetem Tabak

Country Status (3)

Country Link
EP (1) EP0345477B1 (ru)
DE (2) DE3819534C1 (ru)
ES (1) ES2046367T3 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7856988B2 (en) 2005-10-18 2010-12-28 Philip Morris Usa Inc. Method of making reconstituted tobacco with bonded flavorant

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005656C2 (de) * 1990-02-22 1994-05-26 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Herstellung einer Tabak-Folie
EP0744904B1 (de) * 1995-01-28 1999-09-15 Friedrich Priehs Verfahren zur herstellung eines rauchbaren tabakproduktes
DE19928360A1 (de) * 1999-06-21 2001-03-29 Focke & Co Verfahren und Vorrichtung zum Herstellen und/oder Verpacken von Zigaretten
GB201202934D0 (en) * 2012-02-21 2012-04-04 Garbuio Spa Reconstituted tobacco material and method and apparatus for the production thereof
CN103054158A (zh) * 2013-01-17 2013-04-24 羊芙蓉 一种新型烟草膨化材料的制造方法及其应用
CA3162460A1 (en) * 2020-01-16 2021-07-22 Igor Bottacco Method for manufacturing reconstituted vegetable and/or alkaloid substances and plant for implementing said method
EP4072325A1 (de) * 2020-01-16 2022-10-19 GARBUIO S.p.A. Verfahren zur herstellung einer tabakpaste und rekonstituiertem tabak, tabakhaltige folie und anlage zur herstellung von rekonstituiertem tabak

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339247C1 (de) * 1983-10-28 1985-05-09 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Verfahren und Vorrichtung zur Herstellung von gekraeuselten Faserstuecken aus wiederaufbereitetem Tabak

Family Cites Families (13)

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US3098492A (en) * 1960-11-25 1963-07-23 Nat Starch Chem Corp Method of making tobacco product
GB983928A (en) * 1962-05-03 1965-02-24 British American Tobacco Co Improvements relating to the production of tobacco smoking materials
DE2055672C3 (de) * 1970-11-12 1983-06-01 Eduard Gerlach GmbH Chemische Fabrik, 4990 Lübbecke Verfahren zur Herstellung einer Tabakfolie
GB1459218A (en) * 1973-04-13 1976-12-22 Imp Group Ltd Method and apparatus for making a web of reconstituted tobacco
DE2421652C3 (de) * 1974-05-04 1984-01-19 Eduard Gerlach GmbH Chemische Fabrik, 4990 Lübbecke Verfahren zur Herstellung von Tabakfolien und Anlage zur Durchführung des Verfahrens
DE2804772A1 (de) * 1974-05-04 1979-08-09 Gerlach Eduard Chem Fab Verfahren und vorrichtung zur herstellung von tabakfolien
US3968804A (en) * 1974-05-20 1976-07-13 Amf Incorporated Extruded tobacco sheet
US4337783A (en) * 1980-02-09 1982-07-06 Imperial Group Limited Forming sheet from reconstituted tobacco
US4452260A (en) * 1982-04-05 1984-06-05 Brown & Williamson Tobacco Corporation Tobacco paste cigarette additive and cigarette having same
DE3224416C1 (de) * 1982-06-30 1984-03-15 Tamag Basel AG, 4127 Birsfelden Rauchbare,zusammenhaengende Folie sowie Verfahren zu deren Herstellung
US4497331A (en) * 1982-08-11 1985-02-05 Tmci, Inc. Tobacco product with high filling power and process of making same
US4510950A (en) * 1982-12-30 1985-04-16 Philip Morris Incorporated Foamed, extruded, tobacco-containing smoking article and method of making same
DE3472751D1 (en) * 1983-03-31 1988-08-25 Philip Morris Inc A method and apparatus for uniformly cutting tobacco sheets

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339247C1 (de) * 1983-10-28 1985-05-09 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Verfahren und Vorrichtung zur Herstellung von gekraeuselten Faserstuecken aus wiederaufbereitetem Tabak

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7856988B2 (en) 2005-10-18 2010-12-28 Philip Morris Usa Inc. Method of making reconstituted tobacco with bonded flavorant

Also Published As

Publication number Publication date
ES2046367T3 (es) 1994-02-01
EP0345477A3 (de) 1992-06-03
EP0345477A2 (de) 1989-12-13
DE3819534C1 (ru) 1989-12-07
DE58905111D1 (de) 1993-09-09

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