EP0143335A1 - Dispositif pour la fabrication de filaments ondulés à partir de tabac reconstitué - Google Patents

Dispositif pour la fabrication de filaments ondulés à partir de tabac reconstitué Download PDF

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Publication number
EP0143335A1
EP0143335A1 EP84112877A EP84112877A EP0143335A1 EP 0143335 A1 EP0143335 A1 EP 0143335A1 EP 84112877 A EP84112877 A EP 84112877A EP 84112877 A EP84112877 A EP 84112877A EP 0143335 A1 EP0143335 A1 EP 0143335A1
Authority
EP
European Patent Office
Prior art keywords
nozzle head
tobacco
insert
thread
intermediate products
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.)
Granted
Application number
EP84112877A
Other languages
German (de)
English (en)
Other versions
EP0143335B1 (fr
Inventor
Wilfried Dipl.-Ing. Dr. Stiller
Jörn Dipl.-Ing. Dr. Ulrich
Hartwig Dipl.-Ing. Sibbers
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
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 BAT Cigarettenfabriken GmbH filed Critical BAT Cigarettenfabriken GmbH
Priority to AT84112877T priority Critical patent/ATE28259T1/de
Publication of EP0143335A1 publication Critical patent/EP0143335A1/fr
Application granted granted Critical
Publication of EP0143335B1 publication Critical patent/EP0143335B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/221—Extrusion presses; Dies therefor extrusion dies
    • 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 and an apparatus for producing crimped fiber pieces from reprocessed tobacco of the type specified.
  • EP-OS 0039647 shows a device in which the device is opened again prepared tobacco mass is compressed by the screw of an extruder in a narrowing outlet area and is then pressed through a nozzle plate in front of which a cutting knife is arranged.
  • the disadvantage here is the relatively high cleaning effort, since the entire device must be taken apart for thorough cleaning of this extruder.
  • a method and a device of the specified type are apparent from DE-PS 1 432 567, the thread-like intermediate products having to be subjected to a subsequent, very complex post-processing in order to obtain the desired, crimped fiber pieces.
  • the thread-like intermediate products which have a circular cross-section, have to be rolled into intermediate products with a flat cross-section and then dried in an air dryer, which ultimately results in the crimped fiber pieces.
  • the invention is therefore based on the object of providing a method and a device for producing crimped fiber pieces from recycled tobacco of the type specified, in which the disadvantages mentioned above do not occur.
  • the advantages achieved with the invention are especially based on the fact that once the desired crimped fiber pieces result in cutting of the nozzle head leaving, filamentary intermediate products, their dimensions and their behavior, in particular in the cigarette manufacturing, so the corresponding properties of the S chnittabaks tuned that, for example, they can be immediately fed into the manufacture of cigarettes, that is, they do not have to go through tobacco preparation.
  • the streamlined design of the nozzle head which is achieved by the process step of shaping the plastic, strand-like tobacco mass into a thin-walled tube, results in a substantial reduction in the risk of clogging, that is to say that such an extruder can be operated with relatively long maintenance intervals because of a fault only rarely occurs.
  • the thin-walled tube is only cut into individual threads immediately before leaving the device according to the invention, which results in thread-like, crimped intermediate products due to the guidance of the plastic mass and the angle of the insert, which only need to be separated into the individual, crimped fiber pieces, before the ripple through with her Length increasing weight of the thread-like intermediate products is reduced or canceled.
  • the thin outlet grooves and the entire nozzle head can be easily cleaned, since only the insert has to be removed and then all surfaces to be cleaned are easily accessible.
  • a possible blockage of the thin outlet grooves can also be quickly removed during operation, since only the insert has to be rotated slightly; the resulting shear forces loosen the adhesive masses so that they are carried away by the emerging mass.
  • a simple round-strand die head of a conventional laboratory extruder can also be converted to produce the crimped fiber pieces, in that such an insert is fastened, for example screwed, directly into the mouth of the die head.
  • the outlet grooves should be designed in such a way that the cross section of the exiting, thread-like intermediate products deviates as much as possible from the circular cross section, since the internal stresses of the product during the cooling from the plastic to the solid state mean that very strong twisting or crimping of the tobacco threads can be achieved.
  • a particularly good crimp of the fiber pieces results if they have a flat, rectangular to slightly lenticular cross-section when they emerge from the nozzle head and pieces that are approx. 10 to 20 mm long are cut by a rotating knife immediately after they exit before the crimping by the the weight of the crimped fiber pieces, which increases with the fiber length, is smoothed (pulled).
  • a further improvement in the crimping of the fiber pieces can be achieved by designing the rotating knives or the receiving device for the rotating knives in a propeller-like manner. Due to the turbulent air turbulence and the mechanical stress on impact with the propeller-shaped knives, the still formable fiber sections are given an even more irregular, spatial contour. This process works very economically, since the individual components are mixed in the dry state and then the mass can be brought to only about 16% moisture by adding liquid, in particular water. In contrast to other processes, no porridge, dough or granules are required.
  • the finished, crimped fiber pieces have a humidity of about 10 to 12% after cooling from the temperature between 130 and 160 ° C, as is usually the case in the nozzle head, to the ambient temperature, so that no additional drying process is necessary.
  • the crimped fiber pieces should have a thickness of 0.1 to 0.3 mm, in particular 0.15 to 0.25 mm, a width of 0.4 to 3 mm, in particular 0.6 to 1.5 mm, and a ge stretched length of 5 to 40 mm, in particular 8 to 20 mm; They can be made from tobacco particles with a maximum particle size of 0.5 mm (ie tobacco particles that pass through a sieve with a mesh size of 0.5 mm) with the addition of binders and the additives customary in tobacco processing and without further treatment the cut or smoking tobacco are added,
  • the device shown in FIG. 1, generally indicated by the reference numeral 10, for producing crimped fiber pieces from recycled tobacco has a mixer 12 with a housing 14 and a rotating mixing tool 16, which is rotated via a drive motor 18.
  • the mixer 12 is supplied with the components required for the reprocessing of tobacco dust and / or tobacco waste, namely the tobacco dust, binder, water and the additives customary in the tobacco industry, for example flavorings, fillers, fire-influencing substances, color-influencing substances etc.
  • the mixed, pulverulent raw material discharged from the mixer 12 passes via a hopper 22 into an extruder 20, at the nozzle head 24 of which thread-like intermediate products emerge. These thread-like intermediate products of the nozzle head 24 are cut into the crimped tobacco threads by a rotating knife 26, which is rotated by a drive motor 28.
  • the die head 24 of the extruder 20 has a stepped, cylindrical outlet sleeve 30, which consists of a cylindrical inlet region 30a and a subsequent cylindrical outlet region 30b, which has a larger inner diameter than the inlet region 30a.
  • An insert 32 which can be seen in particular in FIG. 5, is arranged in the outlet sleeve 30 of the nozzle head 24.
  • This insert 32 has a cylindrical inlet region 32a, the outside diameter of which is somewhat smaller than the inside of the inlet area 30a of the outlet sleeve 30, an adjoining, approximately cylindrical transition area 32b and a frustoconically widening end area 32c, the end face of which is flush with the end face of the outlet sleeve 30.
  • the cylindrical inlet region 32a of the insert 32 is hollow, that is to say it has a cylindrical, continuous bore 32d, as can be seen in FIGS. 2 and 5.
  • the transition area 32b and the beginning of the frustoconical end area 32c are provided with four axially extending slots 32e (see also FIG. 6) which connect the bore 32d to the outer surface of this area of the insert 32.
  • the end region of the end region 32c again lying on a cylindrical surface in the illustrated embodiment, is provided with flat, rectangular to slightly lenticular outlet grooves 34 (see also FIGS. 3 and 4).
  • the insert 32 is screwed into the outlet sleeve 30 by means of the hexagon 36, which in turn is then screwed into the mouth of the nozzle head 24 of a suitable extruder.
  • the plasticized, tubular mass has a movement component running perpendicular to the cylinder axis, so that continuous, crimped threads emerge from the lenticular exit grooves 34, which split the thin-walled tube into individual threads, as can be seen in FIGS. 2 and 7.
  • the reprocessed tobacco mass therefore leaves the nozzle head 24 or, in a laboratory extruder, the outlet sleeve 30 as a thread-like, crimped intermediate product which is cut by the rotating, propeller-like knife 26 into the crimped, short fiber pieces before the crimping increases with the length of the threads Dead weight is reduced again or canceled entirely.
  • the filamentary intermediate products can also be divided into the crimped fiber pieces by a sharp jet from a fluid medium, for example an air jet.
  • the frustoconical end region 32c extends approximately at an angle of ⁇ 60 ° to the end face of the insert 32 and then merges into the exit grooves 34, which form an angle of ⁇ 80 ° with the end face of the insert.
  • the condition ⁇ ⁇ ⁇ ⁇ ⁇ 90 ° must be fulfilled.
  • exit edge between the exit grooves 34 on the one hand and the end face of the insert 32 on the other hand should be designed as a flow separation edge and therefore as sharp as possible.
  • the exit edge of the cylindrical outer sleeve 30 or the nozzle head 24 opposite this sharp-edged tear-off edge is rounded and has a radius of 0.3 mm to 5 mm, in particular 0.5 mm to 2 mm; a radius of 0.7 mm is indicated in FIG.
  • the end face of the outer sleeve 30 or the nozzle head 24 should be designed such that the dash dot indicated "tobacco thread” can ripple outwards without interference. In the embodiment according to FIG. 9, this is achieved by turning the end face.
  • the plasticized tobacco mass enters the gap between the conical insert 32 and the outer sleeve 30 or the nozzle head 24 on the other hand at a relatively low speed and becomes faster when the lenticular exit grooves 34 are reached accelerates.
  • the sharp-edged flow separation edge on the insert 32 and the rounded edge on the nozzle head 24 or on the outer sleeve 30 cause the emerging tobacco thread to lie against the rounded edge and thereby be deflected outwards; this results in a strong, unimpeded crimp, which leads to the desired shapes of the fiber pieces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Nonwoven Fabrics (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP84112877A 1983-10-28 1984-10-25 Dispositif pour la fabrication de filaments ondulés à partir de tabac reconstitué Expired EP0143335B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84112877T ATE28259T1 (de) 1983-10-28 1984-10-25 Vorrichtung zur herstellung von gekraeuselten faserstuecken aus wiederaufbereitetem tabak.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3339247 1983-10-28
DE3339247A DE3339247C1 (de) 1983-10-28 1983-10-28 Verfahren und Vorrichtung zur Herstellung von gekraeuselten Faserstuecken aus wiederaufbereitetem Tabak

Publications (2)

Publication Number Publication Date
EP0143335A1 true EP0143335A1 (fr) 1985-06-05
EP0143335B1 EP0143335B1 (fr) 1987-07-15

Family

ID=6213018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84112877A Expired EP0143335B1 (fr) 1983-10-28 1984-10-25 Dispositif pour la fabrication de filaments ondulés à partir de tabac reconstitué

Country Status (5)

Country Link
US (1) US4598721A (fr)
EP (1) EP0143335B1 (fr)
AT (1) ATE28259T1 (fr)
DE (2) DE3339247C1 (fr)
ES (1) ES8506430A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232176A3 (fr) * 1986-02-05 1989-01-25 R.J. Reynolds Tobacco Company Procédé pour fabriquer de la matière en tabac reconstitué
EP0256824A3 (fr) * 1986-08-11 1989-01-25 R.J. Reynolds Tobacco Company Traitement des feuilles de tabac
EP0238298A3 (fr) * 1986-03-17 1989-01-25 R.J. Reynolds Tobacco Company Procédé pour fabriquer de la matière en tabac reconstitué
EP0428978A1 (fr) * 1989-11-21 1991-05-29 Bühler Ag Dispositif d'extrusion
EP0443321A3 (en) * 1990-02-22 1991-11-21 B.A.T. Cigarettenfabriken Gmbh Tobacco sheet and process and apparatus for its preparation
EP0345477A3 (fr) * 1988-06-08 1992-06-03 British-American Tobacco (Germany) GmbH Procédé et dispositif de fabrication de pièces de feuilles de tabac à partir de tabac reconstitué
EP0524379A3 (en) * 1991-05-27 1993-03-17 B.A.T. Cigarettenfabriken Gmbh Tobacco containing filaments and method and apparatus for their preparation
CN112971198A (zh) * 2019-12-02 2021-06-18 秦皇岛烟草机械有限责任公司 一种新型滚刀式烟草切丝机刀辊体

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880018A (en) * 1986-02-05 1989-11-14 R. J. Reynolds Tobacco Company Extruded tobacco materials
US4768527A (en) * 1987-01-23 1988-09-06 R. J. Reynolds Tobacco Company Tobacco material processing
US4821749A (en) * 1988-01-22 1989-04-18 R. J. Reynolds Tobacco Company Extruded tobacco materials
US5129409A (en) * 1989-06-29 1992-07-14 R. J. Reynolds Tobacco Company Extruded cigarette
CA2466075C (fr) * 1992-03-25 2007-05-01 Japan Tobacco, Inc. Matiere entrant dans la composition d'une cigarette; la cigarette ainsi constituee
DE4218666C1 (de) * 1992-06-05 1993-12-16 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Strukturierung von Tabakmaterialien
US5709229A (en) * 1995-01-28 1998-01-20 Friedrich Priehs Method of producing a tobacco product for smoking
DE10007485A1 (de) * 2000-02-18 2001-08-23 Hauni Maschinenbau Ag Verfahren und Vorrichtung zur Verwertung von Tabakstaub
GB0011351D0 (en) * 2000-05-12 2000-06-28 British American Tobacco Co Tobacco reconstitution
DE10065132A1 (de) * 2000-12-29 2002-07-04 Hauni Maschinenbau Ag Verfahren zur Herstellung von Agglomeraten und entsprechendes Agglomerat
RS54739B1 (sr) 2011-05-31 2016-10-31 Philip Morris Products Sa Štapići za upotrebu u proizvodima za pušenje
ITRM20130684A1 (it) * 2013-12-12 2015-06-13 Stefano Bolla Contenitore ecocompatibile per riciclaggio mozziconi di sigaretta.
US20200035118A1 (en) 2018-07-27 2020-01-30 Joseph Pandolfino Methods and products to facilitate smokers switching to a tobacco heating product or e-cigarettes
US10897925B2 (en) 2018-07-27 2021-01-26 Joseph Pandolfino Articles and formulations for smoking products and vaporizers
KR102389825B1 (ko) * 2018-10-17 2022-04-25 주식회사 케이티앤지 에어로졸 생성 물품
CN110301676A (zh) * 2019-06-27 2019-10-08 广东中烟工业有限责任公司 一种防止烟丝掉落的加热不燃烧烟草基体及其应用
WO2021144043A1 (fr) * 2020-01-16 2021-07-22 Garbuio S.P.A. Procédé de production d'une pâte de tabac et de tabac reconstitué, film contenant du tabac et système de production de tabac reconstitué

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH429539A (fr) * 1964-05-07 1967-01-31 British American Tobacco Co Filière pour extruder une matière à l'état plastique
US3313003A (en) * 1963-10-04 1967-04-11 Brown & Williamson Tobacco Corp Extrusion dies for plastic materials
DE1529846A1 (de) * 1961-07-11 1970-01-02 Deutsche Grammophon Gmbh Presskopf fuer Doppelschneckenextruder
US3932081A (en) * 1972-12-22 1976-01-13 Tamag/Basel Ag Extruder nozzle for shaping a pulp to form smokable strands or fibers
EP0039647A1 (fr) * 1980-05-06 1981-11-11 Clextral Dispositif de fabrication de filaments de tabac

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3209763A (en) * 1961-04-05 1965-10-05 Lorillard Co P Method for making tobacco products
GB983928A (en) * 1962-05-03 1965-02-24 British American Tobacco Co Improvements relating to the production of tobacco smoking materials
LU74233A1 (fr) * 1976-01-23 1977-07-27

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1529846A1 (de) * 1961-07-11 1970-01-02 Deutsche Grammophon Gmbh Presskopf fuer Doppelschneckenextruder
US3313003A (en) * 1963-10-04 1967-04-11 Brown & Williamson Tobacco Corp Extrusion dies for plastic materials
CH429539A (fr) * 1964-05-07 1967-01-31 British American Tobacco Co Filière pour extruder une matière à l'état plastique
US3932081A (en) * 1972-12-22 1976-01-13 Tamag/Basel Ag Extruder nozzle for shaping a pulp to form smokable strands or fibers
EP0039647A1 (fr) * 1980-05-06 1981-11-11 Clextral Dispositif de fabrication de filaments de tabac

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232176A3 (fr) * 1986-02-05 1989-01-25 R.J. Reynolds Tobacco Company Procédé pour fabriquer de la matière en tabac reconstitué
EP0238298A3 (fr) * 1986-03-17 1989-01-25 R.J. Reynolds Tobacco Company Procédé pour fabriquer de la matière en tabac reconstitué
EP0256824A3 (fr) * 1986-08-11 1989-01-25 R.J. Reynolds Tobacco Company Traitement des feuilles de tabac
EP0345477A3 (fr) * 1988-06-08 1992-06-03 British-American Tobacco (Germany) GmbH Procédé et dispositif de fabrication de pièces de feuilles de tabac à partir de tabac reconstitué
EP0428978A1 (fr) * 1989-11-21 1991-05-29 Bühler Ag Dispositif d'extrusion
EP0443321A3 (en) * 1990-02-22 1991-11-21 B.A.T. Cigarettenfabriken Gmbh Tobacco sheet and process and apparatus for its preparation
EP0524379A3 (en) * 1991-05-27 1993-03-17 B.A.T. Cigarettenfabriken Gmbh Tobacco containing filaments and method and apparatus for their preparation
CN112971198A (zh) * 2019-12-02 2021-06-18 秦皇岛烟草机械有限责任公司 一种新型滚刀式烟草切丝机刀辊体

Also Published As

Publication number Publication date
ES537079A0 (es) 1985-08-01
DE3464687D1 (en) 1987-08-20
ATE28259T1 (de) 1987-08-15
DE3339247C1 (de) 1985-05-09
ES8506430A1 (es) 1985-08-01
EP0143335B1 (fr) 1987-07-15
US4598721A (en) 1986-07-08

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