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WO2008103080A1 - Nouveau procédé et dispositif - Google Patents

Nouveau procédé et dispositif Download PDF

Info

Publication number
WO2008103080A1
WO2008103080A1 PCT/SE2007/000167 SE2007000167W WO2008103080A1 WO 2008103080 A1 WO2008103080 A1 WO 2008103080A1 SE 2007000167 W SE2007000167 W SE 2007000167W WO 2008103080 A1 WO2008103080 A1 WO 2008103080A1
Authority
WO
WIPO (PCT)
Prior art keywords
tobacco
strand
cutting tool
compacting
process according
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.)
Ceased
Application number
PCT/SE2007/000167
Other languages
English (en)
Inventor
Sven Norling
Sture BJÖRK
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.)
Swedish Match North Europe AB
Original Assignee
Swedish Match North Europe AB
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 Swedish Match North Europe AB filed Critical Swedish Match North Europe AB
Priority to EP07709377A priority Critical patent/EP2124655A1/fr
Priority to US12/528,238 priority patent/US20100108082A1/en
Priority to PCT/SE2007/000167 priority patent/WO2008103080A1/fr
Publication of WO2008103080A1 publication Critical patent/WO2008103080A1/fr
Anticipated expiration legal-status Critical
Priority to NO20093002A priority patent/NO20093002L/no
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A24B7/14—Feeding or control devices for tobacco-cutting apparatus
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A24B7/02—Cutting tobacco by machines with reciprocating knives

Definitions

  • the invention pertains to the field of processes and devices for production for portion tobacco.
  • Portion tobacco has received additional attention in recent years, partly due to the restrictions imposed on tobacco smokers.
  • This new demand has led to increased focus on providing means for efficiently producing portion tobacco on an industrial scale, as an alternative to the traditional approach involving for example compression of the tobacco strand during long periods of time.
  • the humidity of the raw product has made the production cumbersome, due to stickiness.
  • This problem has previously been solved by providing the tobacco with a pouch, or through a supplement of additives.
  • the current invention provides a process and a device for the production of portion tobacco without a pouch on an industrial scale, whereby the difficulty of feeding the tobacco strand through the device is solved.
  • a strand of tobacco is used as starting material for the process according to the current invention.
  • the strand is made up of the halves of tobacco leaves that remain after the centrally located stem has been removed.
  • shredded tobacco leaves are used for manufacturing the strand of tobacco.
  • the strand according to any of the preceding embodiments is further supplied with a tobacco filler comprised of smaller pieces of tobacco.
  • the strand of tobacco may be produced at the site of production, or be pre-ordered and delivered in advance of production.
  • the device comprises a roll, on which a strand of tobacco is wound.
  • This strand is in one embodiment compacted and shaped by being fed through two continuous belts, for example cog belts or V-belts, or other conventional belts, located opposite to each other, which may be manufactured from metal or a polymeric material, preferably from a material that is easily cleaned.
  • the bands may or may not run on tooth wheels.
  • the residence time between the belts, which translates to the length of the feed, is adjusted to get sufficient compaction. The compaction results in a loss of fluid, and thus in a decrease of stickiness of the strand of tobacco.
  • the upper belt with its curved or grooved upper surface, gives the portions of tobacco a curved upper surface.
  • the lower belt on the other hand has a flat, smooth surface against the strand of tobacco.
  • the lower belt is important for feeding the sticky strand of tobacco, which otherwise tends to get stuck.
  • An alternative for compaction and forming of the strand of tobacco is the use of at least one roll. This roll would be provided with a central groove.
  • the device may be fitted with several rolls after one another. The device may be composed of opposite rolls, for the sake of feeding.
  • the upper roll may be accompanied by for example a lower belt, such as a cog belt or a V-belt.
  • the device may be fitted with doctor blade(s) after the roll(s), i.e. strippers that are in close contact with the rolls. These doctor blades may be spring-mounted and simultaneously keep the strand of tobacco from following the roll or any of the rolls, and guide the strand of tobacco in a straight line between the one or more rolls.
  • the strand of tobacco has considerable resiliency, wherefore compression must be effected with a certain force.
  • This force may be exerted by choosing an appropriate residence time during compression. This chosen time may correspond to a certain length of the belt, or a certain number of rolls.
  • the force may also be controlled by adjustable retaining devices that may be located directly underneath the belts. These retaining devices are preferably located at the side of the belt that points away from the strand of tobacco, and ensure that the belt is in a stretched position.
  • a cutting process comprises a cutting tool, the end of which may have a blunt, V-shaped edge. Thereby, the newly cut portions of tobacco are pushed away from the strand of tobacco, which may constitute an advantage in respect of packaging (cf. below).
  • the cutting tool preferably has low friction, and may be covered by for example Teflon or Impreglon, to reduce adherence to the tobacco.
  • the shape of the cutting tool may moreover assist in forming the cut pieces of tobacco, such as in the form of a pillow.
  • the ground layer beneath the cutting tool is preferably made out of a replaceable polymeric material.
  • an optional stripper may be fitted to make the sticky strand of tobacco easier come loose from the cutting tool.
  • the stripper may also ensure that the strand of tobacco remains in close contact with the lower belt or the lower roll, as the case may be.
  • the stripper is lowered concomitantly with the cutting tool, and retains its lower position during a limited period of time, whereby the cutting tool is allowed to be transported to and assume its upper position, ready for cutting of the next portion of tobacco, after the strand has been fed forward to the subsequent cutting position.
  • the positioning in height of the stripper may be accomplished by resilient means, such as a simple spring, still forcing the stripper downwards, when the cutting tool is raised.
  • the stripper may assist in forming the portions of tobacco in the desired shape by compacting of the edges of the portion, resulting in the abovementioned appearance of a pillow.
  • the stripper(s) may be covered by for example teflon or Impreglon. Cut portions of tobacco may be separated from each other by a blowing device, for example using compressed air, prior to packaging. The portions of tobacco may then leave the device via a ramp. Alternatively, cutting may be executed directly above the location of packing, making the ramp superfluous.
  • a packaging line may be directly connected to the device described herein.
  • the cutting tool may need to be located at a certain distance from said toothed wheel.
  • additional, continuous, opposite feeder bands may be used. These bands are preferably made out of a polymeric material, and enclose the strand of tobacco in close proximity.
  • the feeder bands run on the outside of the toothed wheels that engage the upper belt and lower belt, respectively.
  • the strand of tobacco is throughout the device fed between the feeder bands, whereby the strand of tobacco is never in direct contact with the belts. This may be advantageous for efficient feeding of the strand of tobacco as well as for hygienic reasons.
  • the feeder bands preferably hang on forward tensioning wheels as close to the cutting tool as possible. These forward tensioning wheels are small enough, with a sharp radius, to make the sticky strand of tobacco easier leave the feeder bands before cutting. This sharp radius may make additional strippers superfluous.
  • the feeder bands may also hang on additional tensioning wheels.
  • the method described above comprises one production line. However, the method preferentially comprises more than one production line, for efficiency purposes.
  • the production lines are preferably parallel production lines.
  • the device according to the present invention is preferably controlled by a computerized state of the art control system.
  • the present invention will now be described with reference to the accompanying drawings. The embodiments shall merely be seen as an illustration of the spirit and scope of the current invention, and in no way whatsoever as a limitation.
  • Figure 1 is a side view of an embodiment of the device for production of portion tobacco, detailing cog belts and feeder bands, and the means to advance these belts, as well a cutting tool.
  • Figure 2 is a rear view, partly in section of an embodiment of the device for production of portion tobacco along the short side, in detail showing the toothed wheels.
  • Figure 3 is a side view of the device comprising rolls for compacting, wherein the preferred position of doctor blades appears.
  • Figure 1 shows an inlet 1 into the device 10 for a strand of tobacco, which is wound on a roll (not shown).
  • the strand of tobacco is engaged by two opposite continuous cog belts 60 and 70, which are each looped on two toothed wheels 40, 41 and 50, 51 , respectively. Adjacent parts of the cog belts 60, 70 are forced into engagement with the strand by retaining devices 65, 66 whereby good compacting of the strand of tobacco is ensured.
  • the length of the two compacting cog belts 60, 70 is approximately 30 cm, for sufficient compacting.
  • Opposite continuous feeder bands 20, 21 extend from a downstream end of the cog belt to a position in close proximity to the cutting tool 80.
  • the feeder bands 20, 21 run on the outside of the tooth wheels 40, 41 , 50, 51 and forward tensioning wheels 71 , 72 nearby the cutting tool 80 as well as on the additional tensioning wheels 30, 31 below and above the cog belts, respectively.
  • the cutting tool 80 is actuated by a pneumatic cylinder 100.
  • On both sides of the cutting tool 80 there is mounted two resilient stripper devices 92, 94, which are lowered at the same time as the cutting tool 80, and by means of in each case a spring (not shown) retain their position for a certain period of time when the cutting tool is returning to its original position, thus holding the strand of tobacco.
  • a ramp 96 for transport of the portions of tobacco downwards, in anticipation of packaging.
  • FIG 2 a rear view of the cog belts 60, 60, 70 can be seen.
  • the upper cog belts 60, 60 are designed with a groove 61 , wherein the strand of tobacco runs.
  • the upstream tooth wheels 40, 50 are via respective shafts 45, 55 connected to an electrical motor (not shown).
  • a transmission between the two shafts 45, 55 makes one motor sufficient for advancing all belts.
  • two upper cog belts 60, 60 in parallel are located opposite one, broader lower belt 70 for efficiency purposes.
  • the pneumatic cylinder 100 is shown.
  • Figure 3 clearly shows two opposite rolls (110, 111) surrounding a strand of tobacco (12).
  • the doctor blades (113, 114) ensure that the strand of tobacco retains its correct path through the device.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

L'invention porte sur un dispositif et un procédé pour former et couper des parties de tabac à partir d'un cordon de tabac. Le dispositif comporte un moyen pour alimenter le cordon de tabac, tel qu'au moins une courroie ou un rouleau, ainsi qu'un moyen de coupe tel qu'un couteau. Le dispositif peut avoir des bandes d'alimentation supplémentaires pour faire avancer le cordon de tabac jusqu'à la position de coupe et peut être sous le contrôle d'un système de commande informatisé.
PCT/SE2007/000167 2007-02-23 2007-02-23 Nouveau procédé et dispositif Ceased WO2008103080A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07709377A EP2124655A1 (fr) 2007-02-23 2007-02-23 Nouveau procédé et dispositif
US12/528,238 US20100108082A1 (en) 2007-02-23 2007-02-23 Process and device
PCT/SE2007/000167 WO2008103080A1 (fr) 2007-02-23 2007-02-23 Nouveau procédé et dispositif
NO20093002A NO20093002L (no) 2007-02-23 2009-09-14 Ny fremgangsmate og anordning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2007/000167 WO2008103080A1 (fr) 2007-02-23 2007-02-23 Nouveau procédé et dispositif

Publications (1)

Publication Number Publication Date
WO2008103080A1 true WO2008103080A1 (fr) 2008-08-28

Family

ID=39710283

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2007/000167 Ceased WO2008103080A1 (fr) 2007-02-23 2007-02-23 Nouveau procédé et dispositif

Country Status (4)

Country Link
US (1) US20100108082A1 (fr)
EP (1) EP2124655A1 (fr)
NO (1) NO20093002L (fr)
WO (1) WO2008103080A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012133365A1 (fr) 2011-03-30 2012-10-04 日本たばこ産業株式会社 Tabac à usage oral et procédé de fabrication de ce dernier

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2013007353A (es) 2010-12-23 2013-08-01 Philip Morris Prod Relleno cortado de tabaco incluyendo tallos laminados cortados.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB355722A (en) * 1930-02-28 1931-08-28 Imp Tobacco Co Ltd Improvements in or relating to machines for cutting or shredding tobacco
GB366458A (en) * 1929-08-07 1932-02-04 Edco Machine Corp Improvements in or relating to a method of and means for the transportation and the subsequent treatment of slices of tobacco produced by tobacco-cutting machines
DE887763C (de) * 1951-08-31 1953-08-27 Kurt Koerber & Co K G Messer an Tabakschneidmaschinen
GB1167145A (en) * 1965-11-12 1969-10-15 Molins Machine Co Ltd Improvements relating to Tobacco Cutting Machines.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB366458A (en) * 1929-08-07 1932-02-04 Edco Machine Corp Improvements in or relating to a method of and means for the transportation and the subsequent treatment of slices of tobacco produced by tobacco-cutting machines
GB355722A (en) * 1930-02-28 1931-08-28 Imp Tobacco Co Ltd Improvements in or relating to machines for cutting or shredding tobacco
DE887763C (de) * 1951-08-31 1953-08-27 Kurt Koerber & Co K G Messer an Tabakschneidmaschinen
GB1167145A (en) * 1965-11-12 1969-10-15 Molins Machine Co Ltd Improvements relating to Tobacco Cutting Machines.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012133365A1 (fr) 2011-03-30 2012-10-04 日本たばこ産業株式会社 Tabac à usage oral et procédé de fabrication de ce dernier
US9370204B2 (en) 2011-03-30 2016-06-21 Japan Tobacco Inc. Oral tobacco and method for manufacturing the same

Also Published As

Publication number Publication date
US20100108082A1 (en) 2010-05-06
NO20093002L (no) 2009-09-14
EP2124655A1 (fr) 2009-12-02

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