EP0354874B1 - Egalisier- und Verdichtungsvorrichtung für Tabak - Google Patents

Egalisier- und Verdichtungsvorrichtung für Tabak Download PDF

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Publication number
EP0354874B1
EP0354874B1 EP89810580A EP89810580A EP0354874B1 EP 0354874 B1 EP0354874 B1 EP 0354874B1 EP 89810580 A EP89810580 A EP 89810580A EP 89810580 A EP89810580 A EP 89810580A EP 0354874 B1 EP0354874 B1 EP 0354874B1
Authority
EP
European Patent Office
Prior art keywords
tobacco
disks
compression
zone
rotation
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
EP89810580A
Other languages
English (en)
French (fr)
Other versions
EP0354874A1 (de
Inventor
Bernard Tallier
Otto Hagmann
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 EP0354874A1 publication Critical patent/EP0354874A1/de
Application granted granted Critical
Publication of EP0354874B1 publication Critical patent/EP0354874B1/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
    • A24C5/1842—Trimming devices

Definitions

  • the present invention relates to a device for clipping and compressing tobacco for the formation of the sausage, comprising a pair of rotary clipping discs whose respective rotational speeds are identical, but in opposite directions with respect to the other, and compression means upstream of the discs relative to the direction of advancement of the rod and capable of compressing the tobacco over a determined length and cyclically on the rod, the compression zones corresponding each time to the ends of the cigarettes.
  • one of the first phases consists in the formation of a continuous rod, which is subsequently wrapped in paper before being cut into cigarettes.
  • This rod is clipped and must have tobacco "reinforcements" at regular intervals over a portion of determined length which corresponds, each time, to the end of cigarettes, in order to avoid the risk of tobacco leaking by one or by the two ends of the cigarette (depending on whether it is with or without a filter). In other words, this amounts to providing, at the ends, a density of tobacco greater than that which prevails in the body of the cigarette.
  • clipping and reinforcement are obtained by means of a pair of discs having grooves.
  • the surplus of tobacco which, as a rule, is included in an approximate range of 25-30%, is removed while the sausage will present, at regular intervals corresponding to the passage of the sausage by the throats, a larger quantity of tobacco which will be compressed in a second step, that is to say during the wrapping operation of the rod.
  • the two discs are not located in the same plane, but in two parallel planes, slightly offset from each other; they are not in contact.
  • Below the pair of clipping discs is an extraction wheel or brush which rotates at very high speed (approx. 5,000 - 10,000 rpm). The excess tobacco is returned to an evacuation bin.
  • Another known device includes two coplanar discs as a clipping means and provided with housings at their periphery, cooperating with a brush located below them, according to an arrangement similar to FIG. 1.
  • a cam placed upstream of these discs provides slight compression of the tobacco at the locations in which the discs provide an increase in thickness.
  • document DE-A-34 07 893 the use of fully flat coplanar discs is already known, but these discs are mounted and actuated so as to approach and move away cyclically from the perforated strip which guides and drives the flow tobacco. The function of the cyclic compression means is therefore ensured in this case by the discs themselves, which leads to a complex arrangement of the device.
  • the present invention proposes means making it possible to effectively remedy the drawbacks observed which have just been exposed.
  • the tobacco clipping and compression device is characterized in that the clipping discs consist of circular knives in contact with their periphery, determining a section of constant height of the rod, being arranged in a same plane and each having on their periphery a complementary beveling with respect to each other so that their contact, distributed over a truncated cone generator located in the plane formed by the axes of rotation of the discs, causes during from the rotation of the latter a shearing effect, and in that the means ensuring cycles of compression of the tobacco are arranged under the said discs.
  • the device 1 shown schematically and placed under a scrolling strip 10.
  • the latter has perforations not shown, which allows the tobacco particles 9 to be pressed against it by suction, from feed tray 15.
  • the flange 11 is thus formed below the strip 10 which runs in the direction of the arrows 16; it is guided by lateral elements not shown, then passes between the strip 10 and the device 1.
  • the "outgoing" rod 12, that is to say clipped and previously compressed at regular intervals corresponding to the ends of cigarettes and having, therefore, in these places, more tobacco particles are ready to be wrapped by the cigarette paper. Thereafter, the rod is cut each time in the middle of the compressed areas to form the individual cigarettes.
  • the excess tobacco 13, during clipping falls by gravity and is conveyed to a drain pan, not shown, by means of the Archimedes screw 14.
  • Fig. 3 shows in more detail the clipping and compression device 1. It can be seen that all the means according to the invention are brought together in a very compact unit essentially consisting of a pair of knife disks 3, 4, the front disk 3 being completed by a protective plate 5, a rotary cam 7 and a casing 2 housing the members for transmitting movements to the mobile elements 3, 4, 7.
  • Discs 3 and 4 are arranged in the same plan and have, on their periphery, a bevelling or chamfering 3 ′, 4 ′ complementary to each other as can best be seen in FIG. 4A.
  • Their contact 21 extends over a generatrix of the truncated cone formed by the chamfering of the discs; this generator is included in the plane formed by the axes of rotation 20, 20 ′.
  • the clipping discs perform the function of real scissors:
  • the "input" flange 11 is thus subjected to a sharp shear, which makes any additional means of extraction superfluous.
  • the surplus of tobacco 13 falls by gravity and is immediately conveyed in an evacuation casing not shown; any re-aspiration of clipped tobacco is thus ruled out. Likewise, the whipping of tobacco particles is avoided.
  • Cam 7 has an active profile 17 or 18, the shape of which is studied as a function of the desired result.
  • the top of the active profile 17, resp. 18 (fig. 5A, 5B) during the compression phase, will correspond approximately to the plane of the discs.
  • the compression of the tobacco will take place only once during a rotation and will extend over a determined length which is a function of the geometry of the cam and the speed of advance of the rod. Depending on the profile of the cam, this compression will be uniform over said length (profile 17 of the cam 7 in FIG. 5A) or increasing, then decreasing over this same length (profile 18 of the cam 8 of FIG. 5B). Furthermore, it is obvious that one can provide cams allowing several compressions during a rotation, for example, two or three compressions.
  • the "outlet" rod 12 will therefore have, at regular intervals, zones 19 (fig. 6A) comprising more tobacco and which, when the paper is put in place, will be compressed again (19 ′ fig. 6B).
  • the representation of the zones 19 results from the fact that the tobacco from the sausage 12, previously compressed by the cam 7, resp. 8, decompresses immediately after passing through the clipping discs.
  • the device according to the invention groups together in a very compact unit all of the clipping and compression means. Thanks to the working mode of the discs, which play the role of shears practicing a straight cut of the flange, and thanks to the arrangement of the assembly in a unit placed below the suction strip in a fixed position, the device ensures a significant improvement in the regularity of the flange and the compressed areas. Tobacco particles are spared as much as possible, all brushing, resp. extraction becoming superfluous. Likewise, any risk of re-aspiration in clipped tobacco is eliminated, which is subjected to simple gravitation and will be recovered in an evacuation casing.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (6)

  1. Vorrichtung zur Trimmung und Verdichtung von Tabak zur Strangbildung, welche ein Paar von rotierenden Trimmscheiben, deren entsprechende Drehgeschwindigkeiten identisch aber einander entgegengerichtet sind, und Mittel zur Verdichtung umfasst, welche in Laufrichtung des Stranges gesehen vor den Scheiben angeordnet sind, und die fähig sind, den Tabak auf einer bestimmten Länge und zyklisch zu verdichten, wobei die verdichteten Zonen jeweils mit dem mundstückseitigen Ende der Zigaretten übereinstimmen, dadurch gekennzeichnet, dass die Trimmscheiben (3, 4) sich aus ebenen Kreismessern zusammensetzen, welche sich am Umfang berühren, die einen Schnitt konstanter Höhe vom Strang veranlassen, und die in einer gleichen Ebene angeordnet sind, wobei jedes auf dessen Umfang eine Abschrägung aufweist, die zueinander komplementär sind, so dass die Berührung, die entlang einer Mantellinie des Kegelstumpfes erfolgt, welche in der Ebene liegt, die durch die Rotationsachsen der Scheiben gebildet ist, während deren Rotation einen Schereffekt erzeugt, und dass die Mittel (7), welche die Verdichtungszyklen des Tabaks gewährleisten, unter den genannten Scheiben angeordnet sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Trimmscheiben und die Verdichtungsmittel in einer kompakten Baugruppe vereinigt sind, angeordnet unterhalb eines perforierten Saugbandes (10) für den Tabak.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannten Verdichtungsmittel ausschliesslich durch eine rotierende Kurve (7; 8) gebildet sind, welche unmittelbar vor dem Kontaktbereich der Scheiben (3, 4) zyklisch auf den Tabak wirkt.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die genannte Kurve auf einer Welle befestigt ist, deren Achse senkrecht zur Fortbewegungsrichtung des Tabakstromes ist.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Kurve einen Bereich mit einer wirksamen Kontur (17; 18) aufweist, welche bei jeder Umdrehung mit dem Tabakstrom unmittelbar vor dem Scherbereich der Scheiben in Kontakt kommt.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der genannte Bereich mit der wirksamen Kontur (17; 18) so ausgestaltet ist, dass mindestens eine Verdichtungsphase während einer vollständigen Umdrehung gewährleistet ist, und dass diese Verdichtung auf der bestimmten Länge gleichmässig oder zunehmend und und dann abnehmend ist.
EP89810580A 1988-08-10 1989-07-28 Egalisier- und Verdichtungsvorrichtung für Tabak Expired - Lifetime EP0354874B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH301388 1988-08-10
CH3013/88 1988-08-10

Publications (2)

Publication Number Publication Date
EP0354874A1 EP0354874A1 (de) 1990-02-14
EP0354874B1 true EP0354874B1 (de) 1994-11-30

Family

ID=4246672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810580A Expired - Lifetime EP0354874B1 (de) 1988-08-10 1989-07-28 Egalisier- und Verdichtungsvorrichtung für Tabak

Country Status (3)

Country Link
US (1) US5003996A (de)
EP (1) EP0354874B1 (de)
DE (1) DE68919583T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69109944T2 (de) * 1990-06-26 1996-01-04 Tabac Fab Reunies Sa Kontrollvorrichtung eines Tabakstromes vor Egalisierung.
CH686334A5 (fr) * 1991-01-31 1996-03-15 Tabac Fab Reunies Sa Machine à cigarettes.
JPH06253807A (ja) * 1993-03-04 1994-09-13 Japan Tobacco Inc たばこ巻上機のエクレターディスク同期調整装置
ES2109463T3 (es) * 1993-06-16 1998-01-16 Tabac Fab Reunies Sa Procedimiento y dispositivo de fabricacion de productos de la industria del tabaco con una densidad de tabaco variable.
DE4333046A1 (de) * 1993-09-29 1995-03-30 Hauni Werke Koerber & Co Kg Vorrichtung zum Abnehmen von überschüssigem Tabak von einem Tabakstrang
DE29620975U1 (de) * 1996-12-03 1997-02-13 Fabriques de Tabac Réunies S.A., Neuenburg/Neuchâtel Vorrichtung zum Vor-Egalisieren eines Tabakstromes
IT1304044B1 (it) * 1998-07-20 2001-03-02 Gd Spa Macchina confezionatrice di sigarette.
IT1304456B1 (it) * 1998-07-22 2001-03-19 Gd Spa Macchina confezionatrice di sigarette.
DE10140309A1 (de) 2001-08-16 2003-02-27 Hauni Maschinenbau Ag Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine
KR100587850B1 (ko) * 2001-11-05 2006-06-12 니뽄 다바코 산교 가부시키가이샤 저연소성 궐련
GB0624771D0 (en) * 2006-12-12 2007-01-17 British American Tobacco Co A smoking article and a method and apparatus for the manufacture of smoking articles
CN106983173A (zh) * 2017-05-16 2017-07-28 红云红河烟草(集团)有限责任公司 一种protos70新型平整器
CN107212462B (zh) * 2017-05-18 2019-06-04 红云红河烟草(集团)有限责任公司 一种卷烟机新型平准盘
RU2763574C1 (ru) * 2019-12-20 2021-12-30 Интернэшнл Тобакко Машинери Поланд Сп. з о.о. Устройство и способ обработки стержнеобразных изделий табачной промышленности
EP4432864A4 (de) * 2021-11-19 2025-10-22 Hexo Operations Inc Systeme und verfahren zur herstellung von cannabis-vorrollen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130346B (de) * 1959-02-17 1962-05-24 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Bilden eines an bestimmten Stellen verdichteten Tabakstranges
GB1314825A (en) * 1969-08-01 1973-04-26 Molins Machine Co Ltd Cigarette making machines
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
JPS59179056A (ja) * 1983-03-19 1984-10-11 ケルベル・アクチエンゲゼルシヤフト タバコ流を均等化する装置
DE3407893A1 (de) * 1983-03-19 1984-09-20 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum egalisieren eines tabakstromes
IT1197084B (it) * 1985-08-22 1988-11-25 Hauni Werke Koerber & Co Kg Dispositivo per produrre un filone di fibre dell'industria di lavorazione del tabacco

Also Published As

Publication number Publication date
DE68919583D1 (de) 1995-01-12
EP0354874A1 (de) 1990-02-14
US5003996A (en) 1991-04-02
DE68919583T2 (de) 1995-06-14

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