EP1832183B1 - Machine pour fabrication de filtre de cigarette - Google Patents

Machine pour fabrication de filtre de cigarette Download PDF

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Publication number
EP1832183B1
EP1832183B1 EP20070103723 EP07103723A EP1832183B1 EP 1832183 B1 EP1832183 B1 EP 1832183B1 EP 20070103723 EP20070103723 EP 20070103723 EP 07103723 A EP07103723 A EP 07103723A EP 1832183 B1 EP1832183 B1 EP 1832183B1
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Prior art keywords
machine
adjusting
axis
rollers
lever
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EP20070103723
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German (de)
English (en)
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EP1832183A3 (fr
EP1832183A2 (fr
Inventor
Vittorio Sgrignuoli
Leonardo Balletti
Ivan Eusepi
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GD SpA
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GD SpA
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Priority to DE200720019146 priority Critical patent/DE202007019146U1/de
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Publication of EP1832183A3 publication Critical patent/EP1832183A3/fr
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0295—Process control means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/027—Multiple line manufacturing devices

Definitions

  • the present invention relates to a cigarette filter manufacturing machine, see e.g. EP 0 629 356 A1 .
  • the present invention may be used to advantage in a dual cigarette filter manufacturing machine, to which the following description refers purely by way of example.
  • a dual cigarette filter manufacturing machine comprises two forming beams for forming respective continuous filter rods; and a filtering material feed line for each beam.
  • the feed lines are supplied with the filtering material by a conveyor line, which extends between an input station of the feed lines and a store containing two bales of filtering material.
  • Respective circular-section wicks are unwound off the bales and fed along the conveyor line to a suction device, which is located at the input station and widens the two wicks transversely into two flat-section strips.
  • the two strips Downstream from the suction device, the two strips are fed along the respective feed lines and through a pressing unit, an inflation device which blows air into the strips to increase their volume, and, finally, through a processing unit which adds chemical substances to the strips to impart aroma and plasticity to the filtering material.
  • Each feed line is connected to the forming beam by a stabilizing unit, which receives a strip from the feed line, stabilizes its shape into a rope of filtering material, and feeds the rope of filtering material onto a strip of gummed paper on the forming beam.
  • the strip of paper is wound transversely about the rope to form a continuous filter rod; and, at the output of the forming beams, a control station checks the density of the filter rods, and a cutting head cuts the filter rods transversely into respective successions of filter portions.
  • each traction roller unit Along the two feed lines are located a number of traction roller units, each having a traction device for each feed line.
  • Each traction device comprises two parallel, respectively drive and driven, rollers cooperating with each other and located a given distance apart.
  • each traction roller unit also comprises an adjusting device for jointly adjusting the distance between the two drive rollers and the two driven rollers of the traction roller unit. The distance between the two drive rollers and the two driven rollers of each traction roller unit is adjusted to both improve processing of the filtering material, and effectively prevent jamming situations, in which the filtering material twists about the rollers of the traction roller unit.
  • the quality of the filters produced on known dual filter manufacturing machines is generally good, but not very, and at any rate has been found to be inferior, on average, to that of filters produced on single filter manufacturing machines (i.e. featuring only one production line).
  • Number 1 in Figure 1 indicates as a whole a dual cigarette filter manufacturing machine.
  • Machine 1 comprises two forming beams 2a, 2b for forming respective continuous filter rods 3a, 3b; and, for each beam 2a, 2b, a respective filtering material feed line 4a, 4b.
  • Feed lines 4a, 4b are supplied with filtering material by a conveyor line 5, which forms part of machine 1 and extends between an input station 6 of feed lines 4a, 4b and a store 7 containing two bales 8a, 8b of filtering material.
  • respective circular-section wicks 9a, 9b are unwound off bales 8a, 8b and fed along conveyor line 5 by traction imparted to wicks 9a, 9b by a traction roller unit 10a located at input station 6.
  • Conveyor line 5 comprises a guide device 11 for guiding wicks 9a, 9b, and located over bales 8a, 8b; and a suction device 12 located at input station 6, immediately upstream from traction roller unit 10a, and which widens circular-section wicks 9a, 9b transversely into respective flat-section strips 13a, 13b, which are then fed to traction roller unit 10a.
  • the two strips 13a, 13b are fed, along respective feed lines 4a, 4b and in a substantially horizontal direction 14, through a pressing unit 15 comprising two traction roller units 10b, 10c similar to unit 10a.
  • the two strips 13a, 13b are fed, along respective feed lines 4a, 4b and in direction 14, through an inflation device 16, which blows air into strips 13a, 13b to increase the volume of strips 13a, 13b, and then through a processing unit 17, where chemical substances (typically, triacetin) are added to strips 13a, 13b to impart aroma and plasticity to the filtering material.
  • the two strips 13a, 13b are fed, along respective feed lines 4a, 4b and in direction 14, through a traction roller unit 10d similar to units 10a and 10b, 10c, and which defines an output portion of feed lines 4a, 4b.
  • Feed lines 4a, 4b are connected to forming beams 2a, 2b by a stabilizing unit 18 located immediately downstream from traction roller unit 10d, and which receives strips 13a, 13b from feed lines 4a, 4b, stabilizes the shape of strips 13a, 13b to form two ropes of filtering material, and feeds the ropes of filtering material to forming beams 2a, 2b.
  • the rope of filtering material is fed onto a strip 19a, 19b of paper gummed beforehand at a gumming station 20, and which is then wound transversely about the rope of filtering material to form a continuous filter rod 3a, 3b.
  • a control station 21 checks the density of filter rods 3a, 3b, and a cutting head 22 cuts rods 3a, 3b transversely into respective successions of filter portions (not shown).
  • Traction roller units 10a and 10b, 10c, 10d differ from one another in size and location along feed lines 4a, 4b, but are functionally identical. The following description therefore applies to any one of traction roller units 10a, 10b, 10c, 10d, which is indicated hereinafter simply by the reference number 10.
  • each traction roller unit 10 comprises, for each feed line 4, a traction device 23 comprising two parallel rollers 24, 26 cooperating with each other and located an adjustable distance apart. More specifically, each traction device 23 comprises a drive roller 24 rotated about an axis of rotation 25 by a respective motor independent of the motor of the other drive roller 24 of the same traction roller unit 10. Each traction device 23 also comprises a driven roller 26, which is mounted idly to rotate freely about an axis of rotation 27 parallel to axis of rotation 25, and is tangent to and cooperates with drive roller 24.
  • Each traction device 23 comprises an adjusting device 28 (shown in Figures 4 and 5 ), which adjusts the distance between the two rollers 24, 26 of traction device 23 independently of the distance between the two rollers 24, 26 of the other traction device 23. More specifically, in each traction device 23, the axis of rotation 25 of drive roller 24 is fixed, whereas the axis of rotation 27 of driven roller 26 is movable parallel to itself, under the control of relative adjusting device 28, to and from axis of rotation 25 to adjust the distance between the two rollers 24, 26.
  • each adjusting device 28 comprises a fixed central supporting body 29 supporting a movable frame 30, which houses driven roller 26 in rotary manner with the interposition of a number of bearings 31.
  • a lever 32 supports movable frame 30, and is hinged to supporting body 29 to rotate about an adjusting axis 33 crosswise to axis of rotation 27.
  • lever 32 is in the form of a right-angle triangle, and adjusting axis 33 extends through the right-angle of the right-angle triangle, so that lever 32 is hinged centrally to supporting body 29 to rotate about adjusting axis 33, and has a first end connected to an actuator 34, and a second end, opposite the first end, connected to movable frame 30.
  • actuator 34 is connected to lever 32 to control the angular position of lever 32 about adjusting axis 33, and comprises a push rod 35 resting against lever 32, at a point of contact not aligned with adjusting axis 33, to push and rotate lever 32 about adjusting axis 33.
  • Lever 32 preferably comprises a contact wheel 36 mounted to rotate idly on lever 32 and establish contact with push rod 35. In other words, lever 32 is rotated about adjusting axis 33 by axial displacement of push rod 35.
  • adjusting axis 33 is horizontal, and lever 32 is rotated about adjusting axis 33 in one direction by the weight of driven roller 26, and in the opposite direction by push rod 35 of actuator 34. Since lever 32 is maintained contacting push rod 35 by the weight of driven roller 26, push rod 35 need therefore simply rest against, as opposed to being secured to, lever 32.
  • each actuator 34 is pneumatic, and comprises a chamber 37 formed in supporting body 29; a pressure regulator 38 (shown schematically in Figure 4 ) to regulate the pressure inside chamber 37; and a piston 39 sliding inside chamber 37 and connected mechanically to push rod 35. Adjusting the pressure inside chamber 37 obviously adjusts compression of the filtering material by the two cooperating rollers 24, 26. In actual use, compression of the filtering material by the two cooperating rollers 24, 26, i.e. the pressure in chamber 37, is adjusted as a function of the format of the filters being produced, to ensure the best end quality at all times and minimize jamming.
  • each traction roller unit 10 the two adjusting devices 28 are located specularly with respect to a plane of symmetry perpendicular to the axes of rotation 27 of the two driven rollers 26, so that the two chambers 37 of the two pneumatic actuators 34 are located side by side, and the pneumatic actuators 34 therefore concentrated in a precisely defined region between the two driven rollers 26 of traction roller unit 10.
  • Each adjusting device 28 comprises a position sensor 40 for determining the distance between the two rollers 24, 26.
  • each position sensor 40 determines the distance between the two rollers 24, 26 by determining the angular position of lever 32 about adjusting axis 33, e.g. by determining the axial position of push rod 35.
  • position sensor 40 comprises a reader 41 carried in a fixed position by supporting body 29; and a measuring rod 42 carried by push rod 35 and connected to reader 41 to enable position sensor 40 to read the axial position of push rod 35.
  • reader 41 is a proximity measuring device, and measuring rod 42 is trapezoidal in shape, with a sloping surface located at reader 41.
  • a control unit 43 (shown schematically in Figure 4 ) is connected to position sensors 40 to diagnose jamming of a traction device 23, in the event the distance between the relative two rollers 24, 26 increases and/or tends to increase excessively. More specifically, at start-up, the initial value from each position sensor 40 is memorized in a memory of control unit 43, and, during operation, the current value from position sensor 40 is compared continually with the initial value, and jamming is diagnosed in the event the current value increases excessively and/or tends to increase excessively with respect to the current value. In the event a jammed traction device 23 is diagnosed, the corresponding adjusting device 28 is activated immediately to increase the distance between the two rollers 24, 26 of traction device 23 to maximum as fast as possible. More specifically, to increase the distance between the two rollers 24, 26 of traction device 23 as fast as possible, the pressure in chamber 37 of pneumatic actuator 34 is simply cut off completely, so that the weight of driven roller 26 is sufficient to rapidly distance driven roller 26 from drive roller 24.
  • each movable frame 30 supports driven roller 26 in rotary manner about a self-adapting axis 44 parallel to adjusting axis 33, and rotation of movable frame 30 about self-adapting axis 44 is limited in both directions by stops defined by fixed edges. Rotation of movable frame 30 about self-adapting axis 44 is limited to a few degrees, since the purpose of such rotation is simply to allow the position of driven roller 26 to adapt automatically to a certain extent with respect to drive roller 24, to compensate for any manufacturing tolerances and/or irregularities in the material being worked.
  • movable frame 30 comprises a cylindrical pin 45 coaxial with self-adapting axis 44 and fixed rigidly through lever 32.
  • Movable frame 30 also comprises two bushes 46, which support driven roller 26, and are fitted in rotary manner, by means of pin 45, to the opposite ends of pin 45. More specifically, each bush 46 is fitted to pin 45 with the interposition of a respective bearing 47.
  • fixed central supporting body 29 supporting both driven rollers 26.
  • fixed central supporting body 29 is fitted to and projects from a frame of machine 1, and is supported solely at the point at which it is joined to the frame.
  • fixed central supporting body 29 is supported at the point at which it is joined to the frame, as well as at an intermediate portion of fixed central supporting body 29 by means of a supporting member fixed to the frame.
  • Traction roller units 10 have numerous advantages, by being cheap and easy to produce, while at the same time feeding the filtering material in the best possible manner along each production line. Moreover, any temporary differences along one production line (typically, localized nonhomogeneous nature of the filtering material) have absolutely no effect on the other production line. As such, dual machine 1 as described provides for producing filters of high quality comparable in all respects to that of filters produced on a single machine (i.e. featuring only one production line).

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (29)

  1. Machine de fabrication de filtres à cigarettes (1) comprenant :
    au moins une ligne de production ; et
    au moins une unité de rouleau de traction (10) qui est positionnée le long de la ligne de production, et comprend un dispositif de traction (23) ayant deux rouleaux parallèles (24, 26) coopérant l'un avec l'autre et positionnés à une distance ajustable donnée, et un dispositif d'ajustement (28) pour ajuster la distance entre les deux rouleaux (24, 26) du dispositif de traction (23) ;
    la machine (1) est caractérisée en ce que le dispositif d'ajustement (28) comprend un capteur de position (40) pour déterminer la distance entre les deux rouleaux (24, 26) du dispositif de traction (23) ; et une unité de commande (43) raccordée au capteur de position (40) pour diagnostiquer le blocage dans le cas où la distance entre les rouleaux (24, 26) du dispositif de traction (23) augmente et/ou a tendance à augmenter excessivement.
  2. Machine (1) selon la revendication 1, dans laquelle, au démarrage, la valeur initiale provenant du capteur de position (40) est mémorisée, et pendant le fonctionnement, la valeur courante provenant du capteur de position (40) est comparée de manière continue avec la valeur initiale, et le blocage est diagnostiqué dans le cas où la valeur courante augmente excessivement et/ou a tendance à augmenter excessivement par rapport à la valeur initiale.
  3. Machine (1) selon la revendication 1 ou 2, dans laquelle, lorsque le blocage du dispositif de traction (23) est diagnostiqué, le dispositif d'ajustement (28) est activé immédiatement pour augmenter la distance entre les deux rouleaux (24, 26) du dispositif de traction (23) à un maximum aussi rapidement que possible.
  4. Machine (1) selon la revendication 1, 2, ou 3 et comprenant au moins deux lignes de production ;
    dans laquelle l'unité de rouleau de traction (10) comprend, pour chaque ligne de production, un dispositif de traction (23) respectif ayant deux rouleaux parallèles (24, 26) coopérant entre eux et positionnés à une distance ajustable donnée ;
    dans laquelle chaque dispositif de traction (23) comprend un dispositif d'ajustement (28) pour ajuster la distance entre les deux rouleaux (24, 26) du dispositif de traction (23) indépendamment de la distance entre les deux rouleaux (24, 26) de l'autre dispositif de traction (23).
  5. Machine (1) selon la revendication 4, dans laquelle chaque dispositif de traction (23) comprend un premier rouleau (24) tournant autour d'un premier axe de rotation fixe (25) ; et un deuxième rouleau (26) tournant autour d'un deuxième axe de rotation (27) mobile, parallèle à lui-même et sous la commande du dispositif d'ajustement (28) relatif, vers et depuis le premier axe de rotation (25) pour ajuster la distance entre les deux rouleaux (24, 26).
  6. Machine (1) selon la revendication 5, dans laquelle le premier rouleau (24) est un rouleau d'entraînement électrique, et le deuxième rouleau (26) est un rouleau de guidage entraîné.
  7. Machine (1) selon la revendication 5 ou 6, dans laquelle chaque dispositif d'ajustement (28) comprend un corps de support central fixe (29) ; un châssis mobile (30) logeant le deuxième rouleau (26) d'une manière rotative avec l'interposition d'un certain nombre de premiers paliers (31) ; un levier (32) supportant le châssis mobile (30) et articulé par rapport au corps de support (29) pour tourner autour d'un troisième axe d'ajustement (33) en diagonale par rapport au deuxième axe de rotation (27) ; et un actionneur (34) raccordé au levier (32) pour commander la position angulaire du levier (32) autour du troisième axe d'ajustement (33).
  8. Machine (1) selon la revendication 7, dans laquelle le levier (32) se présente sous la forme d'un triangle rectangle ; et le troisième axe d'ajustement (33) s'étend à travers l'angle droit du levier (32).
  9. Machine (1) selon la revendication 7 ou 8, dans laquelle le levier (32) est articulé centralement par rapport au corps de support (29), et a une première extrémité raccordée à l'actionneur (34), et une deuxième extrémité opposée à la première extrémité, raccordée au châssis mobile (30).
  10. Machine (1) selon la revendication 7, 8, ou 9, dans laquelle l'actionneur (34) comprend une tige de poussée (35), qui repose contre le levier (32), à un point de contact non aligné avec le troisième axe d'ajustement (33), et pousse le levier (32) pour faire tourner le levier (32) autour du troisième axe d'ajustement (33).
  11. Machine (1) selon la revendication 10, dans laquelle le troisième axe d'ajustement (33) est horizontal, et le levier (32) tourne autour du troisième axe d'ajustement (33) dans une direction par le poids du deuxième rouleau (26), et dans la direction opposée par la tige de poussée (35) de l'actionneur (34).
  12. Machine (1) selon la revendication 10 ou 11, dans laquelle l'actionneur (34) est pneumatique, et comprend une chambre (37) formée à l'intérieur du corps de support (29) ; un régulateur de pression (38) pour réguler la pression à l'intérieur de la chambre (37) ; et un piston (39) coulissant à l'intérieur de la chambre (37) et raccordé mécaniquement à la tige de poussée (35).
  13. Machine (1) selon la revendication 12, dans laquelle les deux dispositifs d'ajustement (28) sont positionnés de manière spéculaire par rapport à un plan de symétrie perpendiculaire aux deuxièmes axes de rotation (27), de sorte que les deux chambres (37) des deux actionneurs pneumatiques (34) sont côte à côte.
  14. Machine (1) selon la revendication 12 ou 13, dans laquelle le régulateur de pression (38) régule la pression à l'intérieur de la chambre (37) en fonction du format des filtres à fabriquer.
  15. Machine (1) selon l'une quelconque des revendications 10 à 14, dans laquelle chaque dispositif d'ajustement (28) comprend un capteur de position (40), qui détermine la distance entre les deux rouleaux (24, 26) en déterminant la position de la tige de poussée (35) ; et le capteur de position (40) comprend un lecteur (41) supporté dans une position fixe par le corps de support central (29), et une tige de mesure (42) supportée par la tige de poussée (35) et raccordée au lecteur (41) pour permettre au capteur de position (40) de lire la position axiale de la tige de poussée (35).
  16. Machine (1) selon la revendication 15, dans laquelle le lecteur (41) est un dispositif de mesure de proximité, et la tige de mesure (42) a une forme trapézoïdale, avec une surface inclinée située au niveau du lecteur (41).
  17. Machine (1) selon l'une quelconque des revendications 7 à 16, dans laquelle chaque dispositif d'ajustement (28) comprend un capteur de position (40) qui détermine la distance entre les deux rouleaux (24, 26).
  18. Machine (1) selon la revendication 17, dans laquelle le capteur de position (40) détermine la distance entre les deux rouleaux (24, 26) en déterminant la position angulaire du levier (32) autour du troisième axe d'ajustement (33).
  19. Machine (1) selon la revendication 17, dans laquelle le capteur de position (40) détermine la distance entre les deux rouleaux (24, 26) en déterminant la position d'une tige de poussée (35) de l'actionneur (34), qui agit sur le levier.
  20. Machine (1) selon l'une quelconque des revendications 7 à 19, dans laquelle le châssis mobile (30) supporte le deuxième rouleau (26) de manière rotative autour d'un quatrième axe à adaptation automatique (44) parallèle au troisième axe d'ajustement (33).
  21. Machine (1) selon la revendication 20, dans laquelle la rotation du châssis mobile (30) autour du quatrième axe à adaptation automatique (44) est limitée dans les deux directions par des butées définies par des bords fixes.
  22. Machine (1) selon la revendication 20 ou 21, dans laquelle le châssis mobile (30) comprend une broche cylindrique (45), qui est coaxiale avec le quatrième axe à adaptation automatique (44), est montée à travers le levier (32), et est fixée rigidement au levier (32) ; et deux bagues (46), qui supportent le deuxième rouleau (26) et sont montées de manière rotative au moyen de la broche (45) sur les extrémités opposées de la broche (45).
  23. Machine (1) selon la revendication 22, dans laquelle chacune des deux bagues (46) est montée sur la broche (45) en intercalant un deuxième palier (47) respectif.
  24. Machine (1) selon l'une quelconque des revendications 1 à 23, dans laquelle chaque dispositif de traction (23) comprend un premier rouleau (24) tournant autour d'un premier axe de rotation fixe (25) ; et un deuxième rouleau (26) tournant autour d'un deuxième axe de rotation (27) mobile, parallèle à lui-même et sous la commande du dispositif d'ajustement (28) relatif, vers et depuis le premier axe de rotation (25) pour ajuster la distance entre les deux rouleaux (24, 26) ; et les deux dispositifs d'ajustement (28) comprennent un corps de support central fixe commun (29) supportant les deux deuxièmes rouleaux (26).
  25. Machine (1) selon la revendication 24, dans laquelle le corps de support central fixe (29) est monté sur et fait saillie d'un châssis de la machine (1), et est supporté uniquement au point auquel il s'assemble au châssis.
  26. Machine (1) selon la revendication 24, dans laquelle le corps de support central fixe (29) est monté sur et fait saillie d'un châssis de la machine (1), et est supporté au point auquel il s'assemble au châssis, ainsi qu'au niveau d'une partie intermédiaire du corps de support central fixe (29).
  27. Machine (1) selon la revendication 26, dans laquelle une partie intermédiaire du corps de support central fixe (29) est supportée par un élément de support fixé sur le châssis.
  28. Machine (1) selon l'une quelconque des revendications 1 à 27, dans laquelle chaque ligne de production comprend une ligne d'alimentation (4) pour une bande continue (13) de matériau de filtre ; une poutre de formation (2) pour former une tige de filtre continue (3) ; et une unité de stabilisation (18) positionnée entre la ligne d'alimentation (4) et la poutre de formation (2) ; et la ligne d'alimentation (4) comprend une unité de pression (15) définie par deux unités de rouleau de traction (10b, 10c) dont chacune comprend deux dispositifs de traction (23) et deux dispositifs d'ajustement (28) respectifs.
  29. Machine (1) selon la revendication 28, dans laquelle chaque ligne d'alimentation (4) comprend également un dispositif de gonflage (16) en aval de l'unité de pression (15) ; une unité de traitement (17) en aval du dispositif de gonflage (16) ; et une autre unité de traction (10d), qui définit une partie de sortie de la ligne d'alimentation (4) et comprend deux dispositifs de traction (23) et deux dispositifs d'ajustement (28) respectifs.
EP20070103723 2006-03-08 2007-03-07 Machine pour fabrication de filtre de cigarette Active EP1832183B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200720019146 DE202007019146U1 (de) 2006-03-08 2007-03-07 Zigarettenfilterherstellungsmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20060165 ITBO20060165A1 (it) 2006-03-08 2006-03-08 Macchina per la produzione di filtri di sigarette.

Publications (3)

Publication Number Publication Date
EP1832183A2 EP1832183A2 (fr) 2007-09-12
EP1832183A3 EP1832183A3 (fr) 2007-09-26
EP1832183B1 true EP1832183B1 (fr) 2010-12-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070103723 Active EP1832183B1 (fr) 2006-03-08 2007-03-07 Machine pour fabrication de filtre de cigarette

Country Status (4)

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EP (1) EP1832183B1 (fr)
CN (1) CN101120817B (fr)
DE (2) DE202007019146U1 (fr)
IT (1) ITBO20060165A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1395043B1 (it) * 2009-08-18 2012-09-05 Gd Spa Metodo e macchina per la produzione contemporanea di almeno due bachi di filtro per sigarette.

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Publication number Priority date Publication date Assignee Title
US4724429A (en) * 1986-03-07 1988-02-09 Celanese Corporation Diagnostic and control system for cigarette filter rod making machine
IT1272020B (it) 1992-03-26 1997-06-10 Koerber Ag Procedimento e macchina per trattare materiale per un cordone di filtro.
DE4308093A1 (de) * 1992-03-26 1993-09-30 Hauni Werke Koerber & Co Kg Verfahren und Maschine zum Aufbereiten von Filtertowmaterial
DE4320317C2 (de) * 1993-06-18 1998-04-23 Rhodia Ag Rhone Poulenc Verfahren und Vorrichtung zum Herstellen von Fasersträngen
DE10227378B4 (de) * 2002-06-20 2008-07-17 International Tobacco Machinery B.V. Walzenpaar zum Spannen von Strängen aus Filtermaterial
DE10354924B4 (de) * 2003-11-25 2024-01-18 Körber Technologies Gmbh Vorrichtung zum Aufbereiten von Filtertowmaterial sowie Vorrichtung zur Herstellung von Filtern

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Publication number Publication date
EP1832183A3 (fr) 2007-09-26
ITBO20060165A1 (it) 2007-09-09
DE202007019146U1 (de) 2010-12-16
DE602007011337D1 (de) 2011-02-03
EP1832183A2 (fr) 2007-09-12
CN101120817B (zh) 2011-11-30
CN101120817A (zh) 2008-02-13

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