EP0790782B1 - Verfahren und einrichtung zum einwickeln eines stranges aus rauchmaterial - Google Patents

Verfahren und einrichtung zum einwickeln eines stranges aus rauchmaterial Download PDF

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Publication number
EP0790782B1
EP0790782B1 EP95936682A EP95936682A EP0790782B1 EP 0790782 B1 EP0790782 B1 EP 0790782B1 EP 95936682 A EP95936682 A EP 95936682A EP 95936682 A EP95936682 A EP 95936682A EP 0790782 B1 EP0790782 B1 EP 0790782B1
Authority
EP
European Patent Office
Prior art keywords
rod
extensions
binder
wrapping
wrap
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
EP95936682A
Other languages
English (en)
French (fr)
Other versions
EP0790782A1 (de
Inventor
Michael Patrick Parker
David John Bates
Andrew Jonathan Bray
Jonathan Charles Laughton
Adrian Roy Stewart-Cox
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.)
Rothmans International Services Ltd
Rothmans International Ltd
Original Assignee
Rothmans International Services Ltd
Rothmans International Ltd
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 Rothmans International Services Ltd, Rothmans International Ltd filed Critical Rothmans International Services Ltd
Publication of EP0790782A1 publication Critical patent/EP0790782A1/de
Application granted granted Critical
Publication of EP0790782B1 publication Critical patent/EP0790782B1/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
    • A24C1/00—Elements of cigar manufacture
    • A24C1/26—Applying the wrapper
    • A24C1/30—Devices for applying the wrapper to the bunch
    • 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
    • A24C5/1807—Forming the rod with compressing means, e.g. garniture
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers

Definitions

  • the present invention relates to a method and apparatus for manufacturing a rod of tobacco or other smoking material enclosed by a wrap (hereinafter "tobacco rod”). It is especially concerned with tobacco rods having a spiral-effect outer wrap and a method and apparatus for producing these.
  • Cigarettes are commonly wrapped in paper by placing a line of tobacco along a paper strip, in parallel alignment with the edges of the strip, enclosing the smoking material in the paper strip by bringing its edges together and sealing them together to form a rod having a longitudinal seam in its paper.
  • Cigar-style products are commonly provided with a spiral wrap of tobacco leaves or reconstituted tobacco material. The machinery required to spiral wrap a tobacco rod is more complex than that used for parallel wrapping because either the rod, or the outer wrap material must be rotated relative to the axis of the rod to achieve the spiral.
  • One known method of providing a spiral wrap to a cigar style product is to roll a double length tobacco rod onto a chevron-shaped piece of outer wrap material to give a double length spirally wrapped tobacco rod with a left hand and a right hand spiral. This is then cut in half to give two cigars. See DE-C-404242.
  • a second known method to produce a spiral outer wrap rotates smoking material rods, pre-wrapped in a binder or inner wrap, about their longitudinal axis between two endless belts running in opposite directions.
  • the rod is set at an angle to the belts so that as it spins, it also moves forward along its axis.
  • a web of outer wrap material is fed, parallel to the belts, to wrap around the rod as it advances.
  • the spirally wrapped rod is then cut to the required length. See also FR-A-2107787 (GB-A-1370878) where lozenge-shaped outer wraps are applied to a prewrapped cigare by rolling.
  • Another known method of spirally wrapping a smoking material rod involves passing the rod through the middle of a bobbin of outer wrap material, at an angle to the axis of the bobbin, and rotating the bobbin around the rod.
  • the rod is spirally wrapped by outer wrap material taken from the bobbin.
  • a problem with this method is that control is complicated by the changing inertia and speed of the bobbin as the wrap material unwinds from it.
  • An object of the present invention is to achieve a non-parallel wrap effect in a simpler and more efficient way.
  • the present invention provides a method of wrapping a rod of smoking material to give a non-parallel wrapped effect, which includes the steps mentioned in claim 1.
  • a plurality of extensions each have at least one inclined edge, there being a discontinuity between inclined edges of adjacent extensions.
  • the wrapped rod may be divided into discrete lengths at the discontinuities.
  • the guiding is essentially a wiping motion it can be done by static parts (by virtue of the axial motion of the rod through the machine); even if a rotating wiper is provided to cause the extension to conform it does not have to contain or feed sheet material.
  • the extensions are non-integral, they may be attached to the binder before, during or after the formation of the parallel wrap.
  • discrete lengths of outer wrap material are severed from a web of outer wrap material and affixed to a binder pre-wrapping a rod of smoking material, to form the extensions which project from the rod at an angle to its longitudinal axis.
  • the projecting sheets are then guided around the rod to provide the wrap effect.
  • the present invention provides an apparatus for wrapping a rod of smoking material provided with the features as mentioned in claim 5.
  • the means for guiding comprise a paddle rotatable about the rod to guide the projecting sheets of outer wrap material around the rod.
  • the guide means rotate around the axis of the rod, the rod moves forward along its longitudinal axis. In this manner, the projecting extensions of outer wrap material may be guided into a spiral formation around the rod.
  • the means for guiding comprise a plough turner having a trough or tube through which a tobacco rod may be passed, the trough or tube having a spiral wall, edge or slot to guide the at least one edge of a projecting extension around the rod as the rod advances.
  • the apparatus according to the invention may be provided by adapting known cigarette or cigar wrapping machinery, or may be provided as a separate machine at the end or in the middle of a conventional cigar or cigarette manufacturing machine.
  • Glue may be applied to the projecting sheets of outer wrap material before or during guiding to form the spiral effect wrap.
  • the present invention provides a web of wrap material for wrapping a rod of smoking material comprising a parallel wrap binder and at least one extension from a parallel binder forming portion thereof, the extension having at least one inclined edge.
  • the extensions may be integral with the binder, or affixed thereto.
  • a spiral-effect outer wrap may be provided for a pre-formed tobacco (or other smoking material) rod which already has a wrap of binder material, or a rod may be formed and wrapped in one process.
  • a conventional cigarette wrapping machine can be adapted to provide the spiral wrap.
  • Figs. 1 and 2 show two forms of wrap which may be used when the rod is formed and wrapped in one action.
  • a sheet material used for cigarette wrapping is in the form of a web 1,1' having a binder region 2,24 having a free edge 4 and a parallel notional edge 6, thus being equivalent to a conventional parallel-sided web of cigarette wrap paper and forming a parallel wrap about the smoking material.
  • extensions 8 which in Fig.
  • the rod may then be divided into lengths, preferably at the discontinuities, each length having an inner parallel wrap provided by the binder region 2,24 and an outer, spiral effect wrap provided by the extensions 8.
  • the length and angle of the edge 3 may be such as to provide one, or more than one, helical turn in the length of each finished separated rod.
  • tobacco or other smoking material 7 is deposited (see Fig. 5) on the binder portion 2,24 of the wrap material 1 of Fig. 1 or Fig. 2, which is supported and transported from a reel of wrap material (not shown) by a garniture tape 10 supported on two rollers 11.
  • the wrap material is guided through a guide trough 12 of mainly semi-cylindrical cross-section formed in a support body 14, and the tobacco 7 is compressed within the trough 12 by a concave pressure finger 16 (Figs. 4-7) to form the tobacco rod 17.
  • a concave pressure finger 16 Figs. 4-7) to form the tobacco rod 17.
  • guiding wall elements 18,20 gradually raise the longitudinal edges of the wrap material (Figs.
  • Glue is applied by a nozzle 23 (Fig. 9) along the parallel glue line 6 of the binder portion 2,24 of the wrap material 1 adjacent the projections 8 and guide means 22 hold the extensions 8 away from the tobacco rod 17.
  • the guide walls 18,20,30 fold the binding portion 2,24 of the longitudinal wrap 1 to enclose the tobacco rod 17, the free edge 4 of the wrap material 1 being secured with the glue applied adjacent 6 the extensions 8.
  • the glue is set by application of a heat bar 32 (Fig. 11).
  • the tobacco rods would be cut into lengths suitable for the cigarette or cigar product. They would then be transported to tipping and packaging machines as applicable. However, in the methods of the invention, this is preceded by the need to guide the projecting outer wrap sheets around the formed tobacco rod.
  • the extensions 8 are guided around the formed rod 17 and secured there with glue which can be applied either just before the guidance or at an earlier stage.
  • non-moving parts of the apparatus guide the extensions 8 as the tobacco rod 17, enclosed by the binding portion 2,24 of the wrap 1, moves longitudinally through the wrapping apparatus supported by the garniture tape 4.
  • One way in which this can be achieved is by plough turning.
  • the tobacco rod 17 moves along a guide channel 40 of a plough turner (Figs. 12-17) one wall 42 of which defines a spiral and which guides the extensions 8 spirally around the rod 17.
  • Glue may be applied to the extensions 8 as the rod 17 moves along the plough turning guide channel 40 or before the rod 17 enters the plough turner.
  • FIG. 18 One example of an external winder is indicated by reference numeral 100 in Fig. 18. This consists of a blade 102 having a portion parallel to the tobacco rod 17 and a portion angled away therefrom, the blade 102 being rotationally mounted upon a drive unit 104 through which the tobacco rod 17 passes. Rotation of the blade 102 about the tobacco rod 17 causes the projecting sheets 8 of outer wrap material to be wrapped around the rod, as the rod 17 passes through the drive unit 104.
  • Fig. 18 illustrates apparatus for carrying out the method in which separate strips 28 of outer wrap material are attached to a pre-made rod 17 as shown in Fig. 3 and then wound around the rod.
  • the pre-made rod is enclosed in a binder or inner wrap before the strips of outer wrap material are attached. This may be done in a conventional cigarette making machine.
  • the wrapped tobacco rod 17 As the wrapped tobacco rod 17 exits guide trough 12 of a conventional cigarette making machine, it passes under a suction drum 110 which carries pre-cut sheets, or "flags" 28 of outer wrap material.
  • the flags 28 are removed from the suction drum 110 by garniture tape 112 which passes around the drum and under inverted guide trough 113. This so-called inverted garniture tape transfers the flags from the drum to the moving tobacco rod.
  • the flags are cut from a web of outer wrap material 115 drawn by drive units 116 from a bobbin 114. Glue is applied to the web 115 by gluing rollers 118 and the web 115 is fed towards the suction drum 110 at an angle to its axis, passing beneath cutting roller 120, mounted parallel to the suction drum 110, which cuts rhomboid flags from the web 115.
  • Rotary clamp 122 presses each severed flag 28 onto the garniture tape and suction drum 110. Suction from within the drum 110 acts through perforations in the drum's circumferential surface to hold the flags 28 in place.
  • flags 28 come into contact with the tobacco rod 17 beneath the suction drum 110, they are attached by the previously applied glue to the rod 17 to form extensions of the binder.
  • the flags 28 are held in place and curved around the rod as the inverted garniture tape passes through the guide trough 113, so that they project generally downward from the rod 17 as they approach the external winder 100, the action of which is described above.
  • the spirally wrapped tobacco rod passes to cutting drum 124 and is cut at the discontinuities 5' between the extensions, into the correct lengths 125 for the desired cigarette or cigar product.
  • Each length 125 has a spiral effect outer wrap provided by the inclined straight edge 3 of a single projecting flag 8.
  • the lengths 125 are then passed through a series of rollers 126,128 to an end trimming roller 130 and blade 131 which may be as found in a conventional cigarette manufacturing machine.
  • the trimmed lengths may then pass to tipping or packaging machinery, as required.
  • Further winding means such as the plough turner described above may be fitted between the inverted garniture 112,113 and the external winder 100.
  • edges 3 need not be straight, so that wrapping effects other than spiral, e.g. a wavy edge, could be obtained if desired.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Confectionery (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (7)

  1. Verfahren zum Einwickeln eines Stabes aus Rauchmaterial, so daß ein nicht-paralleler Wickeleffekt entsteht, welches umfaßt:
    das Einwickeln des Stabes in eine Hülle, die aus einem parallelseitigen (4,6) Abschnitt eines Umschlags (2, 24, 17) gebildet ist,
    das Vorwärtsbewegen des Stabes entlang seiner Achse,
    und das Teilen des eingewickelten Stabes in diskrete Längen,
    dadurch gekennzeichnet, daß gleichzeitig mit der Vorwärtsbewegung zumindest ein Fortsatz (8, 26, 28), der mit dem die Hülle bildenden Umschlag (2, 24, 17) einstückig ausgebildet oder daran befestigt ist, und zumindest eine Kante (3) in einem Winkel zur Achse des Stabes aufweist, so geführt wird, daß er über der Umschlagshülle auf der Oberfläche des Stabes liegt, so daß die schräge Kante eine nicht-parallele Linie ergibt, und
    das dortige Befestigen des zumindest einen Fortsatzes.
  2. Verfahren nach Anspruch 1, worin eine Vielzahl von Fortsätzen (8, 26, 28), jeweils zumindest eine schräge Kante aufweist, wobei eine Unterbrechung (5, 5') zwischen schrägen Kanten (3) benachbarter Fortsätze besteht, und das Verfahren das Teilen des eingewickeiten Stabes in diskrete Längen an den Unterbrechungen umfaßt.
  3. Verfahren nach Anspruch 1 oder 2, worin die Fortsätze (8) mit dem Umschlag (2, 24) einstückig sind.
  4. Verfahren nach Anspruch 1 oder 2, worin die Fortsätze (28) mit dem Parallel-Wickel-Umschlag (2, 24) nicht einstückig sind und worin diskrete Längen äußeren Wickelmaterials von einer Bahn(115) aus äußerem Wickelmaterial abgetrennt und an einem Umschlag befestigt werden, mit dem ein Stab (17) aus Rauchmaterial voreingewickelt ist, um die Fortsätze (28) auszubilden, die vom Stab in einem Winkel (3) zu seiner Längsachse vorragen, wobei die vorragenden Fortsätze (28) dann um den Stab herum geführt werden, was den Spiralwickeleffekt ergibt.
  5. Vorrichtung zum Einwickeln eines Stabes Rauchmaterial, umfassend Mittel zum Einwickeln des Stabes in eine Hülle, die aus einem parallelseitigen (4, 6) Abschnitt eines Umschlags (2, 24, 17) gebildet wird, sowie Mittel zum Vorwärtsbewegen des Stabes entlang seiner Achse, gekennzeichnet durch Mittel (102, 113, 42), um während der Vorwärtsbewegung des Stabes um den Stab herum zumindest einen Fortsatz (8, 26, 28) aus Wickelmaterial herumzuführen, der aus der Hülle herausragt und zumindest eine Kante aufweist, die in einem Winkel zu seiner Längsachse geneigt ist, sowie Mittel zum dortigen Befestigen des Fortsatzes.
  6. Vorrichtung nach Anspruch 5, worin das Mittel zum Führen ein Paddel (102) umfaßt, das um den Stab drehbar ist, um die Fortsätze um den Stab herumzuführen.
  7. Vorrichtung nach Anspruch 5, worin das Mittel zum Führen einen Abstreichwender (40, 42) umfaßt, der eine Vertiefung oder Röhre aufweist, durch die ein Tabakstab hindurchgehen kann, wobei die Vertiefung oder Röhre eine spiralförmige Wand (52), Kante oder einen Schlitz aufweist, um zumindest eine Kante eines Fortsatzes um den Stab herumzuführen, während sich der Stab vorwärts bewegt.
EP95936682A 1994-11-15 1995-11-14 Verfahren und einrichtung zum einwickeln eines stranges aus rauchmaterial Expired - Lifetime EP0790782B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9422998 1994-11-15
GB9422998A GB9422998D0 (en) 1994-11-15 1994-11-15 Method and apparatus for wrapping a rod of smoking material
PCT/GB1995/002667 WO1996014761A1 (en) 1994-11-15 1995-11-14 Method and apparatus for wrapping a rod of smoking material

Publications (2)

Publication Number Publication Date
EP0790782A1 EP0790782A1 (de) 1997-08-27
EP0790782B1 true EP0790782B1 (de) 1999-06-16

Family

ID=10764400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95936682A Expired - Lifetime EP0790782B1 (de) 1994-11-15 1995-11-14 Verfahren und einrichtung zum einwickeln eines stranges aus rauchmaterial

Country Status (8)

Country Link
EP (1) EP0790782B1 (de)
AT (1) ATE181212T1 (de)
DE (1) DE69510364T2 (de)
DK (1) DK0790782T3 (de)
ES (1) ES2135100T3 (de)
GB (1) GB9422998D0 (de)
GR (1) GR3031091T3 (de)
WO (1) WO1996014761A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2574244B1 (de) 2011-09-28 2016-02-03 HAUNI Maschinenbau AG Vorrichtung zum Transport von band- oder streifenförmigen Material
US10285434B2 (en) 2011-09-15 2019-05-14 British American Tobacco (Investments) Limited Smoking article and manufacture thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336989A (en) * 1998-05-07 1999-11-10 Sean David Johnson Tailored cigarette papers.
DE10145327A1 (de) * 2001-09-14 2003-04-03 Hauni Maschinenbau Ag Formatgarnitur für eine Strangmaschine der tabakverarbeitenden Industrie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB114600A (en) * 1917-12-11 1918-04-11 Francois Courtinade Improvements in "Wrapper for Cigarettes."
DE404242C (de) * 1922-05-06 1924-10-17 Fritz & Co G M B H Verfahren zur Herstellung von mehreren Zigarren aus einem gemeinsamen Formenwickel auf Zigarrenmaschinen
US3058474A (en) * 1959-02-11 1962-10-16 Jr Thomas A Banning Cigarette making machines and the like
US3421520A (en) * 1966-08-05 1969-01-14 Cons Cigar Corp Apparatus for forming rod of particulate material
US3515148A (en) * 1968-06-04 1970-06-02 Bert H Wallace Cigar wrapping machine
GB1370878A (en) * 1970-09-17 1974-10-16 Molins Ltd Wrapping rod-like smoking articles
CH689664A5 (de) * 1993-03-13 1999-08-13 Burger Soehne Vorbereitetes Material fuer einen zur Handanfertigung bestimmten Raucherartikel und Huezuschnitt

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10285434B2 (en) 2011-09-15 2019-05-14 British American Tobacco (Investments) Limited Smoking article and manufacture thereof
EP2574244B1 (de) 2011-09-28 2016-02-03 HAUNI Maschinenbau AG Vorrichtung zum Transport von band- oder streifenförmigen Material
EP2712508B1 (de) 2011-09-28 2016-02-03 HAUNI Maschinenbau AG Vorrichtung zum Transport von band- oder streifenförmigen Material
EP2716170B1 (de) 2011-09-28 2016-02-03 HAUNI Maschinenbau AG Vorrichtung zum Transport von band- oder streifenförmigem Material

Also Published As

Publication number Publication date
GB9422998D0 (en) 1995-01-04
EP0790782A1 (de) 1997-08-27
DK0790782T3 (da) 1999-12-13
DE69510364T2 (de) 1999-11-18
DE69510364D1 (de) 1999-07-22
GR3031091T3 (en) 1999-12-31
ES2135100T3 (es) 1999-10-16
WO1996014761A1 (en) 1996-05-23
ATE181212T1 (de) 1999-07-15

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