EP0208925B1 - Entnahme- und Aussonderungsvorrichtung für das Entnehmen von stabförmigen Artikeln aus einem Vorratsbehälter - Google Patents

Entnahme- und Aussonderungsvorrichtung für das Entnehmen von stabförmigen Artikeln aus einem Vorratsbehälter Download PDF

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Publication number
EP0208925B1
EP0208925B1 EP86108107A EP86108107A EP0208925B1 EP 0208925 B1 EP0208925 B1 EP 0208925B1 EP 86108107 A EP86108107 A EP 86108107A EP 86108107 A EP86108107 A EP 86108107A EP 0208925 B1 EP0208925 B1 EP 0208925B1
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EP
European Patent Office
Prior art keywords
drum
rod
articles
flute
roller
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
Application number
EP86108107A
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English (en)
French (fr)
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EP0208925A1 (de
Inventor
Gian Luigi Gherardi
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SASIB SpA
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SASIB SpA
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Publication date
Application filed by SASIB SpA filed Critical SASIB SpA
Publication of EP0208925A1 publication Critical patent/EP0208925A1/de
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Expired legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/322—Transporting cigarettes during manufacturing
    • A24C5/325—Transporting cigarettes during manufacturing from a hopper
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/31—Machines of the continuous-rod type with special arrangements coming into operation during starting, slowing-down or breakdown of the machine, e.g. for diverting or breaking the continuous rod

Definitions

  • the object of the invention is a withdrawing and singling device for withdrawing rod-like articles, particularly filter plugs used in the manufacture of filter-tipped cigarettes, from a hopper supplying the said articles, and for singling the same, which device is provided with a fluted rotary drum, that preferably is a suction drum, which makes up at least part of the hopper bottom, and with a so-called repelling roller that in correspondence of the end, from which the said drum issues from the hopper, is arranged between the fixed wall of the hopper and the fluted rotary drum, and is rotated in the same direction as this drum, so as to push back any rod-like articles which are not held within the flutes in the drum, and as to prevent them from coming out of the hopper or from getting wedged between the hopper wall and the drum, the said repelling roller being so provided that it allows any group formed by two or more rod-like articles associated with a same flute in the drum, to pass thereunder, and a sensing means being provided which is responsive to a group of rod-like articles
  • a device of this kind for withdrawing and singling the filter plugs used in the manufacture of filter-tipped cigarettes is known from the document FR-A 2 300 512.
  • the shaft for the rotation of the repelling roller is supported in an elastically yieldable manner and particularly is mounted on a roller-carrying lever which is allowed to swing about a fixed pin, and is urged by a spring toward the fluted drum, thus assuming a position in which the repelling roller performs its normal function.
  • this filter plug group passes under the repelling roller by elastically lifting same from the fluted drum, so that this group angularly moves in a related degree the lever-carrying roller, which actuates a microswitch. This promotes the disengagement of an electromagnetic coupling inserted in the transmission for driving at least some parts of the cigarette filter tip applying machine, or of the machine as a whole, so that either the said parts or the entire machine will be stopped.
  • the elastically yieldable support for the repelling roller and the connection of said roller to a device for at least partly stopping the cigarette filter tip applying machine therefore prevents any damage that may be caused by a group of two or more filter plugs getting wedged under the repelling roller, but this support brings about the stopping of a part or of the entire cigarette filter tip applying machine.
  • Such a stopping is continued for a certain period of time, and determines a proportionate output loss that is particularly important at the present high manufacturing speeds, and may be, for example, of 8.000 cigarettes per minute, and more than that.
  • the cigarettes cannot be fed to the filter tip applying machine before a predetermined speed having been reached. Consequently, the cigarettes manufactured by the cigarette making machine during the related time interval must be discarded.
  • the prior art document DE-C 510 873 discloses a device for withdrawing and singling rod-like articles, particularly cigarettes, from a hopper supplying the said articles, which device is provided with a rotary drum, a repelling roller which rotates in the same direction as the drum so as to push back any rod-like articles which are not held within the drum flutes, and sensing means located downstream of the repelling roller and consisting of a swingable lever, which cooperates with one or more electric contacts, said sensing means being responsive to the softness of the rod-like articles, particularly to the incomplete filling of each cigarette located in a drum flute, and controlling removing means which are disposed downstream of the repelling roller and the sensing means and are adapted for removing from the fluted rotary drum the rod-like articles sensed by the sensing means.
  • the shaft for the rotation of the repelling roller is mounted in a fixed position.
  • the documents US-A 1 393 642 and DE-C 506 802 disclose the combination of a hopper, a fluted rotary drum and a rotary repelling roller, which repelling roller is mounted in a fixed position and consists of a cylindrical brush. These devices are not provided with sensing means being responsive to a group of two or more rod-like articles associated with a same flute in the drum, any time such a group can pass under the repelling roller.
  • the forced passage of a group of two or more rode-like articles, under the repelling roller of the device according to DE-C 506 802 is impossible and would cause the crushing and the breaking of these rod-like articles.
  • the repelling roller is located inside the hopper, i.e. it is not arranged between the fixed wall of the hopper and the fluted rotary drum.
  • Prior art documents DE-C 497 881 and US-A 1 680 024 disclose devices in which means are provided for refilling empty flutes in a fluted rotary drum, said refilling means inserting one rod-like article into each empty flute and said means being located downstream of the repelling roller and of successive sensing means being responsive to each empty flute.
  • the refilling means of the device known from US-A 1 680 024 include an auxiliary hopper for supplying rod-like articles to a downward channel containing a single row of rod-like articles and with its lower and terminating in correspondence of a stepwise-rotatable fluted transferring roller which is adapted for transferring one rod-like article at a time into one flute of the fluted drum.
  • the repelling roller of the devices known from the documents DE-C 497 881 and US-A 1 680 024 is mounted in a fixed position and the forced passage of a group of two or more rod-like articles under this repelling roller is impossible without the crushing or the breaking of these rod-like articles.
  • the sensing means are responsive only to an empty flute downstream of the repelling roller and not to a . group of two or more rod-like articles associated with a same flute in the drum and passing under the repelling roller.
  • the invention aims to avoid the drawbacks of the known devices according to the preamble of the Claim 1 and solves this problem by the combination of the following features:
  • any time a group of two or more ovalized or stuck together filter plugs can pass under the repelling roller - whereby the breaking of the filter plugs and the pollution of any members of the cigarette filter tip applying machine be the fragments of the broken filter plugs, are avoided, the sensing means which is responsive to that group of filter plugs, will not stop the filter tip applying machine, or a part of this machine, but will promote the removal of the said cigarette group from the fluted rotary drum, with the aid of compressed air jets blown downstream of the sensing means through the drum ports.
  • the refilling means provided downstream of the means for removing any groups of rod-like articles from the flutes in the drum, insert one rod-like article into each flute that is in empty condition, owing to a group of rod-like articles having been previously removed threrefrom.
  • each flute 102 in drum 2 can contain only one filter plug B, and is provided with ports (not shown) through which in known manner suction is applied at least in correspondence of the opening of hopper 1 and over a certain length downstream thereof. Besides these suction ports, the flutes 102 in drum 2 are also provided with air-blowing ports 202 for the purpose to be specified later.
  • a repelling roller 3 is interposed between the corresponding wall 4 of hopper 1 and the drum 2 and is rotated in the same direction as drum 2, and this roller pushes back the filter plugs B which are not held within the flutes 102 in drum 2, thus preventing them from coming out of hopper 1 or from wedging themselves between the hopper wall 4 and the said drum 2.
  • the repelling roller 3 consists of a cylindrical brush which is so provided that it allows any group or cluster of two or more superposed, and may be stuck together filter plugs B1, which are associated with a same flute 102 in drum 2, to pass thereunder, as shown particularly in figure 2.
  • the bristles covering the core 5 of the repelling brush roller 3 over a width which is substantially equal to the length of the filter plugs B are inclined rearwardly with respect to the direction of rotation of said roller 3, and are assembled into equispaced groups or strips 6.
  • Such a rearward inclination of the bristles of the repelling brush roller 3 has the purpose of increasing the compliance of said bristles, which is due to the pressure as applied thereon by the groups or clusters of filter plugs B1 that are inserted into, and pass between the drum 2 and the roller 3.
  • the spaces 106 between the strips of bristles 6 have the purpose of promoting the receiving of the groups or clusters B1, by increasing the space available for them, and thus facilitating the issuing of said groups or clusters B1 from hopper 1.
  • a feeling lever 7 is provided immediately downstream of the repelling roller 3, and this lever is swingably mounted about a fixed pin 107, and is biased into active position by a spring 207.
  • the feeling lever 7 cooperates with a microswitch 8 which is connected to an electronic machine-controlling unit, which is known per se, and therefore it is not shown.
  • a group or cluster of superposed filter plugs B1 associated with a flute 102 in drum 2 hits against the feeling lever 7 and angularly moves this lever from its normal position, shown in figures 1 and 2 and by dash-and-dot lines in figure 3, into its position shown by solid lines in the same figure 3.
  • the feeling lever 7 operates the microswitch 8 which signals to the control unit the issuing of that group of filter plugs B1 from hopper 1.
  • this container 11 is connected to the fluted rotary drum 2 through a spur-like part 12 with which terminates a guide 13 provided downstream of the spurlike part 12, around the single filter plugs B regularly received within the flutes 102 in drum 2, as it appears in figures 1 and 4.
  • the air jet blown through the air-blowing ports 202 directly acts upon that filter plug B1 in the group of filter plugs B1, which is received in the respective flute 102 of drum 2, and integrally ejects the group or cluster of filter plugs B1 from drum 2 in a substantially radial direction.
  • the group of filter plugs 81 associated with a same flute 102 in drum 2 consists of filter plugs 81 that are not in a stuck together condition, and, for example, it consists of at least one distorted or ovalized plug lying upon a filter plug regularly received in the flute, as shown in the figures 2 and 3, it may happen that the air jet blown through the air blowing ports 202 in the flute will exert a less efficient action on the distorted filter plug or plugs B1 lying upon the filter plug contained in the flute, i.e., it will not succeed in projecting the said distorted filter plug or plugs sufficiently far away for causing them to fall directly into the plug-collecting container 11, contrary to what shown in figure 4.
  • the filter plug or plugs B1 which are not projected sufficiently far away by the air jet, will roll or hop on the fluted drum 2, also owing to the rotating drum driving them along, and will be lifted up from drum 2 and caused to fall into the container 11 by the terminalspur-like part 12 of guide 13, without upsetting in the least the other filter plugs B firmly held by suction within the respective flutes 102 in drum 2.
  • the filter plug-ejecting air jet can be blown also through a flute located upstream and/or downstream of the flute with which there is associated the group or cluster of filter plugs B1 sensed by the feeling lever 7.
  • the flutes 102 in drum 2 which owing to the ejection of the groups of filter plugs B1 are in empty condition, are no more filled, but are left empty, thus accepting to reject in the successive filter tip applying machine a few cigarette pairs having no filter plug interposed therebetween.
  • the filter plugs B, B1 are actually six times long as a simple filter plug, i.e., as the filter tip of a finished cigarette.
  • each filter plug B is divided by two circular rotary blades 14, 15 into three filter plug sections being twice as long as a simple filter plug.
  • Each one of these three filter plug sections is set between two co-axial cigarettes, is fixed thereto, and is then cut in the middle, so as to give rise to two filter-tipped cigarettes. Consequently, for each empty flute 102 in drum 2 three consecutive pairs of cigarettes must be discarded from the drum for assembling the cigarettes and their filter tips, since these three cigarette pairs will be without the interposed twofold long filter plug section. The rejection of these cigarettes is automatically promoted by the control unit, with the aid of its memory.
  • the above disclosed rejection of cigarettes can be avoided with the embodiment shown in figure 5.
  • the flutes 102 in the fluted rotary drum 2 from which the groups or clusters of filter plugs B1 are expelled are soon afterwards refilled upstream of the rotary blades 14, 15, by inserting into each one of them a filter plug B2.
  • These filter plugs B2 are taken from an auxiliary hopper 16 for supplying the same, which may be also constituted by a part of the main filter plug supplying hopper, and from which there extends a downward channel 19 which is adapted for containing preferably only one row of filter plugs B2.
  • a downward channel 19 which is adapted for containing preferably only one row of filter plugs B2.
  • the roller 17 that preferably is a suction roller, drives the filter plugs B2 from the hopper 16 toward the channel 19, and promotes their descent along this channel 19, while the opposite roller 18 has the function of repelling roller.
  • a fluted roller 20 for refilling the flutes 102 of drum 2, and which is stepwise rotated by a motor (not shown) which in turn is set in operation by the control unit.
  • the refilling fluted roller is rotated by one step, and transfers one filter plug B2 into the said empty flute 102 of drum 2.
  • another filter plug B2 goes from the downward channel 19 into the underlying flute in the refilling roller 20.
  • the invention is not limited to the just described and shown embodiments, but the same may be widely changed and modified, the more so in construction. More particularly, there may be changed the sensing means which is responsive to the groups or clusters of filter plugs B1 passing under the repelling roller 3, which cooperates with the fluted drum 2.
  • the mechanical sensing means consisting of lever 7, an op- to-electric sensor, or a sensor of any other type, may be used.
  • Both the means for removing the groups or clusters of filter plugs B1 from the fluted drum 2, and the means possibly provided for refilling the emptied flutes of drum 2 with only one filter plug, may be widely modified.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (5)

1. Entnahme- und Vereinzelungsvorrichtung für die Entnahme von stabförmigen Artikeln (B), insbesondere von Filterstopfen, wie sie bei der Herstellung von Filterzigaretten verwendet werden, aus einem Magazin (1), welches die Artikel zuführt, und zum Vereinzeln derselben, wobei diese Vorrichtung mit einer gerillten, drehbaren Trommel (2) versehen ist, welche vorzugsweise eine Saugtrommel ist, die zumindest einen Teil des Magazinbodens bildet, und mit einer sogenannten Rückstoßrolle (3), welche in Verbindung mit dem Ende, von welchem die Trommel (2) von dem Magazin (1) ausgeht, zwischen der festen Wand (4) des Magazins (1) und der gerillten drehbaren Trommel (2) angeordnet ist und in dieselbe Richtung (F2) gedreht wird wie die Trommel (2), so daß sie alle stabförmigen Artikel (B), welche nicht innerhalb der Trommelrillen (102) gehalten werden, zurückstößt und verhindert, daß diese aus dem Magazin (1) herauskommen oder zwischen der Magazinwand (4) und der Trommel (2) verkeilt werden, wobei die Rückstoßrolle (3) so vorgesehen ist, daß sie erlaubt, daß jede Gruppe, die gebildet wird aus zwei oder mehreren stabförmigen Artikeln (B1), die derselben Rille (102) in der Trommel (2) zugeordnet sind, darunter hindurchtritt, wobei eine Abfühleinrichtung (7) vorgesehen ist, welche jedesmal dann auf eine Gruppe von zwei oder mehreren stabförmigen Artikeln (B1), die sich in derselben Rille (102) der Trommel (2) gefunden haben, anspricht, wenn eine solche Gruppe unter der Rückstoßrolle (3) hindurchtritt, gekennzeichnet durch die Kombination der folgenden Merkmale:
a) die Rückstoßrolle (3) ist in einer festen Position angebracht und besteht aus einer zylindrischen Bürste, welche sich soweit erstreckt, daß sie den gewaltsamen Durchtritt einer Gruppe von zwei oder mehreren stabförmigen Artikeln (B1), die sich an derselben Trommelrille (102) zusammengefunden haben, erlaubt;
b) die Abfühleinrichtung ist stromabwärts von der Rückstoßrolle (3) angeordnet und besteht aus einem schwingend aufgehängten Fühlhebel (7), welcher mit einem oder mehreren elektrischen Kontakten (8) zusammenwirkt und von jeder Gruppe von zwei oder mehr stabförmigen Artikeln (B1), die sich an derselben Trommelrille (102) gefunden haben, bewegbar ist;
c) die Abfühleinrichtung (7) steuert Beseitigungsmittel (21, 9), welche stromabwärts von der Rückstoßrolle (3) und der Abfühleinrichtung (7) angeordnet sind und Druckluftstrahlen erzeugen, die durch Öffnungen (202) geblasen werden, die in den Trommelrillen (102) vorgesehen sind, um aus der jeweiligen Rille (102) der drehbaren Trommel (2) jede Gruppe von zwei oder mehreren stabförmigen Artikeln (B1), die von der Abfühleinrichtung (7) erfaßt wurde, auszustoßen und in einem Vorratsbehälter (11) zu sammeln;
d) stromabwärts von den Mitteln (9, 21), die alle Gruppen von stabförmigen Artikeln (B1) aus den Trommelrillen (102) entfernen, sind Mittel (16, 17, 18, 19, 20) vorgesehen zum Wiederbefüllen der Rillen (102) in der Trommel (2), welche einen stabförmigen Artikel (B2) in jede Rille (102) einsetzt, die aufgrund dessen, daß eine Gruppe von stabförmigen Artikeln (B1) zuvor daraus entfernt wurde, in leerem Zustand ist.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Borsten (6) der Bürste, die die Rückstoßrolle (3) bildet, in Bezug auf die Rotationsrichtung (F2) der Rolle (3) nach hinten geneigt sind.
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Borsten (6) der Bürste, welche die Rückstoßrolle (3) bildet, in Streifen unter gleichen Winkelabständen zusammengefaßt sind.
4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Boden des Vorratsbehälters (11) zum Sammeln der stabförmigen Artikel (B1), weiche aus den Rillen (102) in der Trommel (2) ausgestoßen sind, mit zumindest einem festen ausläuferartigen Teil (12) verbunden ist, welches dafür ausgelegt ist, von der Trommel (2) die stabförmigen Artikel (B1), die aus den Trommelrillen (102) ausgestoßen worden sind, jedoch noch darauf rollen, von der Trommel (2) abzuheben und zu dem Vorratsbehälter (11) zu fördern.
5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zum Wiederbefüllen aus einem Hilfsmagazin (16) für die Zufuhr von stabförmigen Artikeln (B2) zu einem sich nach unten erstreckenden Kanal (19) bestehen, der eine einzelne Reihe von stabförmigen Artikeln (B2) enthält und mit seinem unteren Ende in Zuordnung zu einer schrittweise drehbaren, gerillten Übertragungsrolle (20) ausläuft, welche dafür ausgelegt ist, jeweils einen stabförmigen Artikel (B2) in eine Rille (102) der gerillten Trommel (2) zu überführen.
EP86108107A 1985-07-05 1986-06-13 Entnahme- und Aussonderungsvorrichtung für das Entnehmen von stabförmigen Artikeln aus einem Vorratsbehälter Expired EP0208925B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT12535/85A IT1186905B (it) 1985-07-05 1985-07-05 Dispositivo prelevatore singolarizzatore di oggetti astiformi da una tramoggia d alimentazione particolarmente adatto per bacchette filtro nella produzione di sigarette con filtro
IT1253585 1985-07-05

Publications (2)

Publication Number Publication Date
EP0208925A1 EP0208925A1 (de) 1987-01-21
EP0208925B1 true EP0208925B1 (de) 1989-05-24

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EP86108107A Expired EP0208925B1 (de) 1985-07-05 1986-06-13 Entnahme- und Aussonderungsvorrichtung für das Entnehmen von stabförmigen Artikeln aus einem Vorratsbehälter

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EP (1) EP0208925B1 (de)
DE (1) DE3663438D1 (de)
IT (1) IT1186905B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019105813A1 (en) 2017-12-03 2019-06-06 International Tobacco Machinery Poland Sp. Z O.O. A replenishing device, an apparatus for manufacturing multisegment rods and a method for manufacturing multi-segment rods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20130239A1 (it) * 2013-05-21 2014-11-22 Gd Spa Dispositivo di alimentazione di articoli da fumo in bacchetta in una macchina automatica dell'industria del tabacco.
PL442930A1 (pl) * 2022-11-24 2024-05-27 International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością Urządzenie podające do podawania segmentów z materiału przemysłu tytoniowego, moduł zasilający do dostarczania segmentów wykonanych z materiału przemysłu tytoniowego i sposób podawania artykułów prętopodobnych przemysłu tytoniowego
PL443009A1 (pl) * 2022-11-30 2024-06-03 International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością Urządzenie do wytwarzania artykułów wielosegmentowych

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US1393642A (en) * 1921-01-08 1921-10-11 Rose William Apparatus for feeding, or both feeding, and counting, cigarettes for packeting, applicable also to analogous purposes
US1680024A (en) * 1927-04-14 1928-08-07 United Cigarette Mach Co Inc Machine for packing cigarettes and like articles
DE506802C (de) * 1928-08-18 1930-09-09 Muller J C & Co Verfahren zum Aussondern von Zigaretten
DE497881C (de) * 1928-12-01 1930-05-24 United Cigarette Mach Co Inc Vorrichtung zum Nachfuellen leer gebliebener Nuten des Foerdermittels
DE510873C (de) * 1930-01-24 1930-10-24 United Cigarette Machine Co A Aussonderungsvorrichtung nicht ordnungsgemaess gefuellter Zigaretten
DE2505998A1 (de) * 1975-02-13 1976-08-26 Hauni Werke Koerber & Co Kg Vorrichtung zum entnehmen von stabfoermigen artikeln der tabakverarbeitenden industrie aus einem vorrat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019105813A1 (en) 2017-12-03 2019-06-06 International Tobacco Machinery Poland Sp. Z O.O. A replenishing device, an apparatus for manufacturing multisegment rods and a method for manufacturing multi-segment rods
PL423675A1 (pl) * 2017-12-03 2019-06-17 International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością Urządzenie uzupełniające, maszyna do wytwarzania sztabek wielosegmentowych i sposób wytwarzania sztabek wielosegmentowych

Also Published As

Publication number Publication date
EP0208925A1 (de) 1987-01-21
IT1186905B (it) 1987-12-16
DE3663438D1 (en) 1989-06-29
IT8512535A0 (it) 1985-07-05

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