EP0465414B1 - Kontrollvorrichtung eines Tabakstromes vor Egalisierung - Google Patents

Kontrollvorrichtung eines Tabakstromes vor Egalisierung Download PDF

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Publication number
EP0465414B1
EP0465414B1 EP91810480A EP91810480A EP0465414B1 EP 0465414 B1 EP0465414 B1 EP 0465414B1 EP 91810480 A EP91810480 A EP 91810480A EP 91810480 A EP91810480 A EP 91810480A EP 0465414 B1 EP0465414 B1 EP 0465414B1
Authority
EP
European Patent Office
Prior art keywords
tobacco
stream
disk
checking
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91810480A
Other languages
English (en)
French (fr)
Other versions
EP0465414A1 (de
Inventor
Jean-Jacques Beguin
David Vuilleumier
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.)
Philip Morris Products SA
Original Assignee
Fabriques de Tabac Reunies SA
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 Fabriques de Tabac Reunies SA filed Critical Fabriques de Tabac Reunies SA
Publication of EP0465414A1 publication Critical patent/EP0465414A1/de
Application granted granted Critical
Publication of EP0465414B1 publication Critical patent/EP0465414B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • 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
    • A24C5/18—Forming the rod

Definitions

  • the tobacco is brought in a continuous flow to a clipping and compression device where a regular tobacco rod is formed before being covered with cigarette paper and then cut into individual cigarettes.
  • a regular tobacco rod is formed before being covered with cigarette paper and then cut into individual cigarettes.
  • the tobacco flow in the device it is first compressed locally and then the amount of tobacco exceeding that necessary for the preparation of the rod is eliminated by a clipping device.
  • the disadvantage of such a device is that the thickness of the tobacco flow is absolutely irregular before the cam compresses a segment thereof; therefore, compressed segments are obtained whose densities of tobacco different from one to the other, since the compression cam can act on very different flow thicknesses from each other. It is obvious that thereafter this thickness is regulated by the clipping knives, as described for example in documents DE-A-3 407 893 or EP-A-0 259 071, but irregularities in tobacco density nevertheless remain in the compressed segments.
  • a device for controlling the flow of tobacco according to the invention is arranged upstream of the clipping and compression device.
  • the clipping and compression device 1 visible in FIG. 1, corresponds to that described in the patent application mentioned above; it consists mainly of an endless belt 10, driven in translation between the two pulleys 10a and 10b, any of these pulleys being driven in rotation by a motor not shown in the figure, of a compression cam 11 and two rotary knives 12 clipping the excess tobacco.
  • This tobacco 2 comes from an intermediate stock 13 from which it is sucked through the belt 10, so that the tobacco strands come together against the belt 10, forming a layer 20, limited in width by two side rails 14 and 15 (visible in Figures 2 and 3).
  • the layer 20 is irregular, that is to say that its thickness is uneven; if there was no flow control device before the cam 11, it would act sometimes on a thin layer, sometimes on a layer of greater thickness, which would lead to irregularities in the segments densified by the cam 11, of the output flange 21.
  • the flow control device 3 consists of a motor 30, which can be electric, pneumatic or hydraulic, rotating at constant speed and connected by a clutch 31 to a disc 32 of cylindrical shape rotating in a plane arranged perpendicular to the irregularities of the layer 20, around an axis of rotation arranged perpendicular to the direction of advance of said layer.
  • the upper circular circular face 32a of the disc 32 is located in a plane just below the lower faces 14a and 15a of the side rails 14 and 15, while as seen in Figure 3, the axis of rotation of the disc 32 is offset from the line of passage of the layer so that the layer 20 is intercepted by a portion of the outer cylindrical surface 32b of the disc 32 located proximity to the place where this external cylindrical surface 32b moves parallel to the layer 20 and in the same direction as it.
  • the portion of the surface 32b intercepting the layer 20 deflects the part 22 of the layer 20 located below the upper circular surface 32a.
  • the speed of rotation of the disc 32 is such that the peripheral speed of the cylindrical surface 32b is close to the speed of translation of the layer 20, the excess tobacco strands 22 are delicately separated from the layer 20, without being torn off or torn; this surplus tobacco is eliminated by the side of the disc 32 and falls on a transport device which can be a belt transport device 16a and 16b where it is mixed with the surplus tobacco 23 eliminated by the clipper 12 in order to be recycled and returned to the intermediate stock 13.
  • said layer has a regular thickness, determined by the distance separating the belt 10 from the upper circular surface 32a. So that this thickness is truly uniform, it is necessary that the minimum thickness of the layer 20, before it passes over the disc 32, is always greater than said regulated thickness.
  • the cam 11 acts to compress a segment of the layer, it always acts on the same thickness of this layer, which makes the density of the tobacco of the different compressed segments of the final roll uniform. 21.
  • the clutch coupling 31 is located between the engine 30 and the disc 32; it is indeed necessary, during the launching of the machine, to cause the disc 32 to rotate at a speed such that its peripheral linear speed is approximately the running speed of the layer 20; thereafter, the friction of the lower face of the layer against the upper circular surface 32a is sufficient to drive the disc 32 at good speed; it is therefore possible to decouple the drive of said disc by the clutch coupling 31 and to cut off the power supply to the motor 30. It is understood that it is quite possible to provide an embodiment of the device according to the invention does not include this declutching, the disc 32 remaining continuously driven by the motor 30.
  • the speed of movement of the layer of tobacco in a machine of the type described is of the order of 500 to 1000 m / min.
  • the disc In order to have a regular separation of the surplus 22 from the tobacco layer 20, various precautions must be taken with regard to the geometry of the disc as well as its constituent material; in particular the outer cylindrical surface 32b of the disc 32 must be arranged perpendicular to the direction of passage of the layer 20 in order to correctly eliminate the excess 22 from the side; misalignment of this surface 32b, in one direction or the other, would lead to a slight compression or depression of the layer of controlled thickness, which would harm its regularity.
  • the material of the disc must be chosen so that the tobacco particles do not adhere to the disc, for this, according to a preferred embodiment, the disc is made of POLYDUR (registered trademark of LEDER & Co.
  • the disc can be made of any material covered with a layer or a coating on which the tobacco does not adhere.
  • the surface condition of the faces 32a and 32b of the disc is absolutely smooth.
  • the tobacco flow control device according to the invention has been described mounted just before a clipping and compression device in which the tobacco flow is sucked against a belt which moves it; other clipping and compression systems exist on which the device according to the invention can equally well be applied. More generally, whatever the geometry according to which the tube is formed, the device according to the invention can be applied to adjust the thickness of said tube. Similarly, the device can be applied to any device for clipping and reinforcing the sausage requiring regulation of the thickness of the layer of tobacco before reinforcement and clipping, regardless of the way in which the strengthening of the ends of cigarettes is carried out. .
  • the device for controlling a flow of tobacco according to the invention is particularly suitable for regulating the thickness of a layer of tobacco of irregular thickness, before it enters the reinforcement or compression device, so that the segments of the sausage having a higher density all have the same density.
  • the device according to the invention eliminates the surplus of tobacco without the latter being damaged.
  • the introduction of such a device in a machine for making the rod of tobacco from cigarettes or other articles of the tobacco industry allows a more regular production, as well as an increase in quality. finished products by reducing waste.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (8)

  1. Kontrollvorrichtung eines Tabakstromes mit unregelmässiger Schichtdicke, welche stromaufwärts einer Verdichtungsvorrichtung (11) oder einer Vorrichtung zum Verstärken von Zigarettenenden und zum Egalisieren (12) eines Tabakstockes angeordnet ist, dadurch gekennzeichnet, dass die Kontrollvorrichtung eine einzige zylindrische, sich drehende Scheibe (32) umfasst, deren Rotationsebene senkrecht zu den Schichtdickenunregelmässigkeiten des Tabakstromes (20) und deren Rotationsachse senkrecht zur Flussrichtung des Tabakstromes ist.
  2. Kontrollvorrichtung eines Tabakstromes nach Anspruch 1, dadurch gekennzeichnet, dass sie unterhalb dem Tabakstrom angeordnet ist.
  3. Kontrollvorrichtung eines Tabakstromes nach Anspruch 2, dadurch gekennzeichnet, dass die sich in Drehung befindende Scheibe zum Abschneiden eines Teiles (22) des Tabakstromes mit einem Teilbereich der äusseren zylindrischen Oberfläche (32b) ausgebildet ist, wobei sich der Teilbereich der Scheibe in der Nähe des Ortes befindet, wo sich diese äussere zylindrische Oberfläche der Scheibe parallel zum Tabakstrom und in der gleichen Richtung zu diesem verschiebt und wobei die axiale Stellung der oberen Stirnfläche (32a) der Scheibe zum Bestimmen der Menge des regulierten Tabakstromes eingestellt und die äussere zylindrische Oberfläche der Scheibe zum Mitsichziehen des Tabaküberschusses bestimmt ist.
  4. Kontrollvorrichtung eines Tabakstromes nach Anspruch 3, dadurch gekennzeichnet, dass ein Motor (30) vorhanden ist, der die Scheibe nach seinem Anfahren in Rotation versetzt antreibt und dass Kupplungsmittel vorhanden sind, die dazu bestimmt sind, den Antrieb der Scheibe vom Motor abzukoppeln, wenn die äussere zylindrische Oberfläche der Scheibe eine lineare Geschwindigkeit erreicht hat, die etwa gleich der Verschiebebewegung des Tabakstromes ist, wobei der Antrieb der Scheibe dann durch das Reiben des Tabakstromes gegen die kreisförmige obere Fläche der Scheibe aufrechterhalten wird.
  5. Kontrollvorrichtung eines Tabakflusses nach Anspruch 3, dadurch gekennzeichnet, dass ein Motor vorhanden ist, der die Scheibe mit einer Geschwindigkeit antreibt, derart, dass die äussere zylindrische Oberfläche der Scheibe eine lineare Geschwindigkeit aufweist, die etwa gleich der Verschiebegeschwindigkeit des Tabakstromes ist.
  6. Kontrollvorrichtung eines Tabakstromes nach Anspruch 3, dadurch gekennzeichnet, dass die Scheibe aus einem Material gebildet ist, auf welchem Tabakhalme und Tabakstaub nicht anhaften
  7. Kontrollvorrichtung eines Tabakstromes nach Anspruch 3, dadurch gekennzeichnet, dass die Scheibe aus irgend einem Material gebildet und mit einem Überzug oder einer Schicht bedeckt ist, auf welcher die Tabakhalme und der Tabakstaub nicht anhaften.
  8. Kontrollvorrichtung eines Tabakstromes nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass sie derart ausgeführt ist, dass die Tabakhalme nicht beschädigt werden.
EP91810480A 1990-06-26 1991-06-20 Kontrollvorrichtung eines Tabakstromes vor Egalisierung Expired - Lifetime EP0465414B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2121/90 1990-06-26
CH212190 1990-06-26

Publications (2)

Publication Number Publication Date
EP0465414A1 EP0465414A1 (de) 1992-01-08
EP0465414B1 true EP0465414B1 (de) 1995-05-24

Family

ID=4226371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810480A Expired - Lifetime EP0465414B1 (de) 1990-06-26 1991-06-20 Kontrollvorrichtung eines Tabakstromes vor Egalisierung

Country Status (3)

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US (1) US5168882A (de)
EP (1) EP0465414B1 (de)
DE (1) DE69109944T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370136A (en) * 1992-11-11 1994-12-06 Molins Plc Cigarette making machine
DE69314165T2 (de) * 1993-06-16 1998-03-19 Tabac Fab Reunies Sa Verfahren und Vorrichtung zur Herstellung von Produkten mit variabler Tabakdichte in der Tabakindustrie
DE29620975U1 (de) * 1996-12-03 1997-02-13 Tabac Fab Reunies Sa Vorrichtung zum Vor-Egalisieren eines Tabakstromes
ITBO20030612A1 (it) * 2003-10-20 2005-04-21 Gd Spa Unita' e metodo per la formazione di un baco continuo di
DE102012101024A1 (de) 2012-02-08 2013-08-08 Hauni Maschinenbau Ag Vorrichtung und Verfahren zum Bilden mindestens eines Strangs der Tabak verarbeitenden Industrie sowie Verteilervorrichtung zum Beschicken einer Strangmaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407893A1 (de) * 1983-03-19 1984-09-20 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum egalisieren eines tabakstromes
EP0259071A2 (de) * 1986-08-28 1988-03-09 Philip Morris Products Inc. Auftragung eines flüssigen Schaumzusatzes auf eine Tabakfüllung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030966A (en) * 1956-12-18 1962-04-24 Decoufle Usines Filler forming mechanism
DE1152926B (de) * 1959-01-22 1963-08-14 Hauni Werke Koerber & Co Kg Vorrichtung zum Abschneiden von Tabak
GB1041552A (en) * 1961-09-07 1966-09-07 Desmond Walter Molins Improvements in or relating to machines for producing a continuous wrapped tobacco rod
US3415206A (en) * 1965-03-31 1968-12-10 Reisman Howard Pretzel forming
US3387368A (en) * 1967-06-07 1968-06-11 William V. Scheck Knife with non-sticking blade
US4033360A (en) * 1975-12-05 1977-07-05 Philip Morris Incorporated Apparatus providing output indication of tobacco rod firmness
DE2833118A1 (de) * 1978-07-28 1980-02-07 Hauni Werke Koerber & Co Kg Verfahren und anordnung zum bilden eines stranges aus rauchfaehigen, vorzugsweise aus tabak bestehenden fasern
US4485826A (en) * 1980-03-07 1984-12-04 Hauni-Werke Korber & Co. Kg Apparatus for making fillers for rod-shaped smokers' products having dense ends
US5012823A (en) * 1984-08-03 1991-05-07 Philip Morris Incorporated Tobacco processing
DE3613957C1 (de) * 1986-04-24 1987-06-25 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Regelung von mindestens zwei der fuer die Qualitaet des fertigen Produktes massgeblichen physikalischen Eigenschaften eines aus rauchbarem Material hergestellten Strangs
EP0354874B1 (de) * 1988-08-10 1994-11-30 Fabriques De Tabac Reunies S.A. Egalisier- und Verdichtungsvorrichtung für Tabak

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407893A1 (de) * 1983-03-19 1984-09-20 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum egalisieren eines tabakstromes
EP0259071A2 (de) * 1986-08-28 1988-03-09 Philip Morris Products Inc. Auftragung eines flüssigen Schaumzusatzes auf eine Tabakfüllung

Also Published As

Publication number Publication date
DE69109944D1 (de) 1995-06-29
EP0465414A1 (de) 1992-01-08
DE69109944T2 (de) 1996-01-04
US5168882A (en) 1992-12-08

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