EP1954568B2 - Apparatus for, producing blanks for an inner wrapper of a cigarette group - Google Patents

Apparatus for, producing blanks for an inner wrapper of a cigarette group Download PDF

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Publication number
EP1954568B2
EP1954568B2 EP06806159.7A EP06806159A EP1954568B2 EP 1954568 B2 EP1954568 B2 EP 1954568B2 EP 06806159 A EP06806159 A EP 06806159A EP 1954568 B2 EP1954568 B2 EP 1954568B2
Authority
EP
European Patent Office
Prior art keywords
stamping
material web
rollers
blanks
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.)
Not-in-force
Application number
EP06806159.7A
Other languages
German (de)
French (fr)
Other versions
EP1954568B1 (en
EP1954568A1 (en
Inventor
Henry Buse
Hermann Blome
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
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
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Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Priority to EP16000827.2A priority Critical patent/EP3088308B1/en
Publication of EP1954568A1 publication Critical patent/EP1954568A1/en
Application granted granted Critical
Publication of EP1954568B1 publication Critical patent/EP1954568B1/en
Publication of EP1954568B2 publication Critical patent/EP1954568B2/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02Packaging cigarettes
    • B65B19/22Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/228Preparing and feeding blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/28Control devices for cigarette or cigar packaging machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00Automatic control, checking, warning, or safety devices
    • B65B57/02Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages

Definitions

  • the invention relates to a device for producing blanks for an inner covering of a cigarette group, according to the preamble of claim 1.
  • the position of print marks on the material web is scanned via a material web associated print mark reader and ensured by varying the feed rate of the web that a working in the machine cycle cutting member, the blanks so separated from the material web that the printing at a designated location on the separated Cut is positioned. Consequently, the web position designates the relative position of the prints in the longitudinal direction of the web in relation to the machine position or in the machine cycle operating organs, such as cutting devices, or the position of the cigarette group to be packaged, etc.
  • a device according to the preamble of claim 1 is known from GB 2 382 341 A known.
  • the invention is based on the object of further developing a device of the type mentioned, in particular with regard to the production of blanks which have partially or completely an embossing.
  • An apparatus for solving the problem has the features of claim 1.
  • the in the Fig. 3 to 9 shown devices are used to produce blanks 10, 11 as an inner envelope of a cigarette group 12, so as an outer wrapping of a package contents in a cigarette pack, for example of the type folding box.
  • Blanks 10, 11 of this type are made of paper or a paper-like material, which may optionally be provided with a metallic coating.
  • a block-shaped group of cigarettes is wrapped and enclosed by folding flaps.
  • Fig. 1 and 2 fold lines 13 are shown schematically at which along the blank 10, 11 is folded around the cigarette group 12 around.
  • the blanks 10, 11 are folded so that in the inner sheath a closed bottom wall 14, a front wall 15, a corresponding rear wall 16 is formed.
  • An end wall is formed by trapezoidally folded folding tabs 17, which adjoin the front wall 15 and the rear wall 16 and partially overlap when folded blank 10, 11.
  • Side walls of the inner sheath are formed by narrow folding tabs, which are arranged on both sides of the bottom wall 14, front wall 15 and rear wall 16. These include also in a lower portion of the blank 10, 11, namely adjacent to the bottom wall 14, trapezoidally folded side tabs 18. After folding the blanks 10, the side lobes 18 overlap each other in part.
  • An upper part of the front wall 15 of the inner wrapper is designed as a pull tab 19. This is limited by a lower transverse perforation line 20 which extends continuously in the region of the front wall 15 and the side flaps 18 adjoining on both sides. Details of the preparation of the pull tab 19 may European patent application EP 0 589 289 A1 be taken from the applicant for the purpose of complete Revelation is referred to.
  • the finished blanks 10, 11 are further provided with a print 21 or a printed area.
  • the printing 21 is located in the region of the front wall 15, namely above the perforation line 20.
  • a special feature of the blank 10 according to Fig. 1 is that it has an embossment 22.
  • the embossing 22 extends on the one hand above the perforation line 20 over the full width of the front wall 15 and the two-sided side tabs 18 and in the region of the folding tabs 17 for the end wall. In the area of the printing 21 no embossment 22 is present.
  • the embossment 22 is formed as a continuous embossed area, which extends in each case to the lateral edges of the blank. Furthermore, with an embossment 22 as a continuously embossed region, an upper region of the rear wall 16 and of the adjacent side tab 18 and the folding tabs 17 are correspondingly provided. An area 61 of the blank 11 located between the two embossments 21 is not embossed.
  • the embossment 22 is positioned so that it extends over the regions of the inner blank which are visible when the cigarette packet is open, that is to say, for example, when the lid is opened.
  • the embossment 22 is in this way in the region of the end wall of the inner sheath.
  • the embossing of the blank 10 in this case ensures that the restoring forces of the multiply folded folding tabs 17, 18 are counteracted in this area.
  • the inner wrapper can be folded in this way easier and has a lower tendency to unfold after the folding process again.
  • embossing 22 In addition to the embossing 22 described above, other elements may also be embossed in the blank 10, 11, for example an emblem 23. In the present case, this is arranged above the printing 21 in the region of the front wall 15.
  • the blank 11 according to Fig. 2 differs from the blank 10 in Fig. 1 in that it does not have any full-surface impressions 22. Only the emblem 23 is embossed. Alternatively, the emblem 23 may also be printed like the printing 21.
  • the blanks 10, 11 for the inner sheath are in the present embodiments of a material web 24 in the region of a partially illustrated packaging machine for folding boxes ( Fig. 3 ) separated.
  • the material web 24 is wound into a reel 25 and is prefabricated with regard to the printing 21 provided on the packaging machine, ie it is already provided at its place of manufacture, for example in a paper mill, with the imprints 21.
  • the imprints 21 are provided at predetermined intervals in the longitudinal direction on the material web 24. The distance between the prints 21 corresponds to the length of a blank 10, 11th
  • print marks 26 are attached to the material web 24.
  • the print marks 26 are located on a side flap 18 adjacent to the bottom wall 14.
  • the print marks 26 are arranged at a constant distance from one another in the longitudinal direction of the material web 24 and are attached to the material web 24 during production.
  • a cigarette group 12 is laterally pushed out by carriers 29 and conveyed along a flat transport path and wrapped in the region of a cutting device 30 in the cut-out of the web 24 blanks 10, 11.
  • a blank 10, 11 is kept ready in an upright plane, such that the cigarette group 12 is moved in against the clamped blank 10, 11, taking along the blank 10, 11 and U-shaped folding of the same around the cigarette group 12 around. Subsequently, the blank 10, 11 is folded around the cigarette group 12 respectively.
  • a collar is placed on the cigarette group 12 before the wrapping of the cigarette group 12 with the blank 10, 11.
  • the collars are like the blanks of a reel 31 unwound as a continuous web of material 32 and placed on the cigarette group 12 after the separation of individual collar.
  • two bobbins 31 are provided for the collars, with a reel 31 serving as a substitute bolus, which is accessed as soon as the other reel 31 is unwound.
  • the material web 24 for the blanks 10, 11 is initially guided starting from the reel 25 via a plurality of guide rollers 33, between which the material web 24 is guided in a zig-zag shape.
  • This equipped with pulleys 33 area serves on the one hand to control the web tension, but can also be used as a web memory. Accordingly, the position of the guide rollers 33 can be changed to each other.
  • the material web 24 runs out approximately horizontally and is fed via a drive roller 34 and a further deflection roller 39 to an embossing device 60 with an embossing roller pair 35.
  • the embossing 22 described above and possibly the emblem 23 is mounted on the web 24.
  • the material web 24 is fed via a further deflection roller 40 in the horizontal direction of the cutting device 30.
  • This has a pair of feed rollers 36, the web 24 a feed rotating knife block 37. With the knife block 37, on the one hand, each blank 10, 11 is provided with a perforation line 20 and subsequently separated out of the material web 24.
  • the drive roller 34 is driven by a separate drive means 41, for example a servomotor ( Fig. 4 ).
  • the drive roller 34 designed as a preferred roller is coupled to the servomotor via a drive belt 42.
  • the drive means 41 is not coupled to the machine cycle, but freely variable with respect to the drive speed to slow down the feed or preference of the web 24 relative to the machine cycle or accelerate.
  • a print mark reader 43 is furthermore positioned with which the print marks 26 attached to the material web 24 are scanned.
  • a misalignment of the web 24 is given when the print mark reader 43 does not register the passage of a print mark 26 at a given time.
  • the predefined time results, for example, from a specific machine position or a specific machine angle.
  • the embossing roller pair 35 consists of two embossing rollers 44, 45. These are driven synchronously in the machine cycle.
  • the embossing rollers 44, 45 are arranged so that their peripheral surfaces are at least partially engaged, so that the guided between the two embossing rollers 44, 45 web of material 24 in some areas an embossment 22 according to Fig. 1 receives.
  • the peripheral surface of the embossing rollers 44, 45 is partially provided with small elevations and depressions, which lead to a flat embossment 22 of the web 24.
  • the two embossing rollers 44, 45 are on these small projections and wells also engaged with each other.
  • embossing 22 has to be applied, one of the two embossing rollers 44 has a recess 46 or recess extending over the circumference of embossing roller 44 (FIG. Fig. 7 ).
  • the peripheral surfaces of the embossing rollers 44, 45 are not adjacent to one another in the area of the material web 24, so that they are guided freely between the embossing rollers 44, 45.
  • the relative position of the printing 21 is controlled via the print mark reader 43 and the drive roller 34 so that the embossment 22 is positioned at the correct position with respect to the printing 21. This also results in the correct positioning of the embossment 22 on the severed blank 10.
  • a correspondingly configured elevation 47 is provided on the embossing roller 45 at the corresponding point.
  • a special feature with regard to the change of the web position to compensate for misalignments is that this only takes place while the material web 24 is guided freely through the embossing rolls 44, 45, ie during the region of the embossing roll 44 provided with the depression or recess 46 the embossing roll 45 is applied.
  • the servomotor or the drive means 41, the drive roller 34 and the embossing unit 60 and the embossing roller pair 35 together form a unit or assembly.
  • This may also include the print mark reader 43.
  • This unit may be at least partially surrounded by a common housing or mounted on a common carrier.
  • An advantage of this unit is, for example, that it is suitable for retrofitting existing packaging machines. In this way, packaging machines, on which normally unembossed or pre-embossed blanks for the innerliner are processed, can be converted, for example, by replacing drive rollers for the material web by the unit described above.
  • the drive roller 34 and the servo motor are used, whereas a second drive roller pair is replaced by the embossing roller pair 35.
  • the existing coupled to the machine cycle drive can be used.
  • the separate drive for the Drive roller 34 brings the unit with. In a simple case, only a power connection for the servomotor is required and a wiring with a control unit and possibly the print mark reader 43.
  • the embossing rollers 44, 45 are mounted on one side each on a bearing roller 48 and are driven by drive shafts 49. Laterally adjacent to the embossing rollers 44, 45, gear wheels 50 are provided on the drive shafts 49, which are engaged with each other, so that the embossing rollers 44, 45 are coupled together. In Fig. 5 This engagement of the gears 50 is shown laterally schematically.
  • the embossing rollers 44, 45 are also still on their peripheral surfaces engaged with each other. In order to ensure this engagement even when the material web 24 is passed freely between the embossing rolls 44, 45, the embossing rolls 44, 45 have a greater width than the material web 24. In this way, the peripheral surfaces of the embossing rollers 44, 45 on both sides of the material web 24 and the recess 46 are engaged with each other, so even if no embossing of the material web 24 takes place.
  • the two embossing rolls 44, 45 can be moved apart so that the material web 24 is continuously guided freely between the embossing rolls 44, 45.
  • Fig. 6 shown.
  • the two embossing rollers 44, 45 or moved into an extended position. This can be done, for example, via an adjustable mounting of one of the two embossing rolls 44, 45.
  • the gears 50 remain in engagement with each other, as laterally in Fig. 6 shown. In this way, even in the unfolded position, the relative position of the embossing rolls 44, 45 is not lost to each other. An adjustment of the same after the moving together of the embossing rollers 44, 45 thus eliminated.
  • the transport path of the material web 24 is changed. While in the normal position according to Fig. 5 the material web 24, starting from the deflection roller 39 in the region of the drive roller 34, is directed diagonally downwards directly onto the circumference of the embossing roller 45 and from there downwards over the lower deflection roller 40, the transport path of the material web 24 is set in the disengaged position according to FIG Fig. 6 changed by a further deflection roller 51.
  • This deflection roller 51 coupled with the moving apart of the embossing rollers 44, 45, horizontally displaced so that the material web 24 is guided between the two guide rollers 51 and 40 in an upright web plane between the embossing rollers 44 and 45.
  • the guide roller 51 can automatically when pushing the embossing rollers 44, 45 back to their position Fig. 5 be spent.
  • Fig. 9 a variant in which the material web 24 is successively embossed by two embossing roller pairs 35, 52.
  • the first embossing roller pair 35 corresponds in structure to the above description.
  • an embossing roller 53 has a recess 54.
  • a protrusion for embossing the emblem 23 is missing.
  • the circumference of the embossing rollers 44, 45; 53, 55 so dimensioned that it corresponds to the longitudinal extent of a blank 10, 11.
  • the center distance of the two embossing roller pairs 35, 52 corresponds to half the circumference of the embossing rollers 44, 45; 53, 55.
  • multiple embossings can be applied to the material web 24, for example first a flat embossing with a first pattern in certain areas and subsequently a second embossing with a deviating pattern in other areas.
  • the embossing can also overlap. This depends essentially on the relative position of the recesses 46, 54 from each other.
  • the embossing rollers 44, 45; 53, 55 of the two embossing roller pairs 35, 52 are moved apart separately or together to expose the embossment of the material web 24 through the first embossing roller pair 35 and / or the second embossing roller pair 52.
  • FIG Fig. 8 Further alternative embodiments of the device are described below and with reference to FIG Fig. 8 described.
  • a separation of drive roller 34 and embossing roller pair 35 was omitted.
  • the servomotor or the drive means 41 directly drives an embossing roller pair 56.
  • This embossing roller pair 56 is used in this case as a pair of preferred rollers for transporting the web 24 and to compensate for misalignments of the print 21 of the web 24. Accordingly, the web 24 from the area of the guide rollers 33 by the two adjacent to each other at the periphery embossing rollers 57, 58th of the embossing roller pair 56 passed and from there directly from the feed roller pair 36 in the cutting device 30.
  • the web position can be changed by the embossing rollers 57, 58 to compensate for misalignments.
  • the embossing rollers 57, 58 do not apply section-wise embossing 22 to the material web 24, as in FIG Fig. 1 but a continuous imprint.
  • the emblem 23 must be dispensed with, or this must be printed on the material web 24 together with the imprint 21.
  • the cigarette group 12 is wrapped in a blank 59, which is provided in the region of the front wall 15 with a printing 21 and additionally has a over the entire length of the blank 59 extending embossing.

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  • Mechanical Engineering (AREA)
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Description

Die Erfindung betrifft eine Vorrichtung zur Herstellung von Zuschnitten für eine Innenumhüllung einer Zigarettengruppe, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device for producing blanks for an inner covering of a cigarette group, according to the preamble of claim 1.

Vorrichtungen der vorstehend genannten Art sind in unterschiedlichen Ausgestaltungen aus der Praxis bekannt. Dabei wird über einen der Materialbahn zugeordneten Druckmarkenleser die Position von Druckmarken auf der Materialbahn abgetastet und durch Variation der Vorschubgeschwindigkeit der Materialbahn dafür gesorgt, dass ein im Maschinentakt arbeitendes Schneideorgan, die Zuschnitte derart aus der Materialbahn heraustrennt, dass die Bedruckung an einer vorgesehenen Stelle am abgetrennten Zuschnitt positioniert ist. Die Bahnposition bezeichnet folglich die Relativlage der Bedruckungen in Längsrichtung der Materialbahn im Bezug auf die Maschinenposition bzw. im Maschinentakt arbeitende Organe, wie Schneideeinrichtungen, oder die Position der zu verpackenden Zigarettengruppe, etc.Devices of the aforementioned type are known in different embodiments from practice. In this case, the position of print marks on the material web is scanned via a material web associated print mark reader and ensured by varying the feed rate of the web that a working in the machine cycle cutting member, the blanks so separated from the material web that the printing at a designated location on the separated Cut is positioned. Consequently, the web position designates the relative position of the prints in the longitudinal direction of the web in relation to the machine position or in the machine cycle operating organs, such as cutting devices, or the position of the cigarette group to be packaged, etc.

Eine Vorrichtung gemäß dem Oberbegriff des Anspruchs 1 ist aus der GB 2 382 341 A bekannt.A device according to the preamble of claim 1 is known from GB 2 382 341 A known.

Hiervon ausgehend liegt der Erfindung die Aufgabe zu Grunde eine Vorrichtung der eingangs genannten Art weiterzuentwickeln, insbesondere im Hinblick auf die Herstellung von Zuschnitten, die teilweise oder komplett eine Prägung aufweisen.On this basis, the invention is based on the object of further developing a device of the type mentioned, in particular with regard to the production of blanks which have partially or completely an embossing.

Eine Vorrichtung zur Lösung der Aufgabe weist die Merkmale des Anspruchs 1 auf.An apparatus for solving the problem has the features of claim 1.

Weitere Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und der Beschreibung im Übrigen.Further details of the invention will become apparent from the dependent claims and the description otherwise.

Weitere Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und der Beschreibung im Übrigen.Further details of the invention will become apparent from the dependent claims and the description otherwise.

Bevorzugte Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung erläutert. In dieser zeigen:

Fig. 1
eine Draufsicht auf einen ausgebreiteten Zuschnitt für eine Innenumhüllung einer Zigarettengruppe,
Fig. 2
ein alternatives Ausführungsbeispiel des Zuschnitts gemäß Fig. 1,
Fig. 3
eine Seitenansicht einer Vorrichtung zum Verpacken von Zigaretten in einer Seitenansicht,
Fig. 4
ein Teil der Vorrichtung gemäß Fig. 3 in vergrößerter Darstellung,
Fig. 5
eine Prägeeinrichtung der Vorrichtung in einer Konfiguration zur Herstellung von geprägten Zuschnitten,
Fig. 6
die Prägeeinrichtung gemäß Fig. 5 in einer Konfiguration zur Herstellung von ungeprägten Zuschnitten,
Fig. 7
ein Horizontalschnitt im Bereich der Prägeeinrichtung entlang Schnittlinie VII-VII in Fig. 4,
Fig. 8
ein zweites Ausführungsbeispiel der Erfindung in einer Darstellung analog zu Fig. 4 und
Fig. 9
eine Variante des ersten Ausführungsbeispiels mit zwei aufeinanderfolgend angeordneten Prägewalzenpaaren.
Preferred embodiments of the invention are explained below with reference to the drawing. In this show:
Fig. 1
a top view of a spread-out blank for an inner wrapper of a cigarette group,
Fig. 2
an alternative embodiment of the blank according to Fig. 1 .
Fig. 3
a side view of a device for packaging cigarettes in a side view,
Fig. 4
a part of the device according to Fig. 3 in an enlarged view,
Fig. 5
an embossing device of the device in a configuration for the production of embossed blanks,
Fig. 6
the embossing device according to Fig. 5 in a configuration for producing unembossed blanks,
Fig. 7
a horizontal section in the region of the embossing device along section line VII-VII in Fig. 4 .
Fig. 8
A second embodiment of the invention in a representation analogous to Fig. 4 and
Fig. 9
a variant of the first embodiment with two successively arranged embossing roller pairs.

Die in den Fig. 3 bis 9 gezeigten Vorrichtungen dienen zum Herstellen von Zuschnitten 10, 11 als Innenumhüllung einer Zigarettengruppe 12, also als äußere Umhüllung eines Packungsinhalts in einer Zigarettenpackung, beispielsweise des Typs Klappschachtel.The in the Fig. 3 to 9 shown devices are used to produce blanks 10, 11 as an inner envelope of a cigarette group 12, so as an outer wrapping of a package contents in a cigarette pack, for example of the type folding box.

Zuschnitte 10, 11 dieser Art bestehen aus Papier oder einem papierähnlichem Werkstoff, der ggf. mit einer metallischen Beschichtung versehen sein kann. In diese Zuschnitte 10, 11 wird eine blockförmige Gruppe aus Zigaretten eingewickelt und durch Falten von Faltlappen eingeschlossen. In Fig. 1 und 2 sind schematisch Faltlinien 13 dargestellt an denen entlang der Zuschnitt 10, 11 um die Zigarettengruppe 12 herum gefaltet wird.Blanks 10, 11 of this type are made of paper or a paper-like material, which may optionally be provided with a metallic coating. In these blanks 10, 11, a block-shaped group of cigarettes is wrapped and enclosed by folding flaps. In Fig. 1 and 2 fold lines 13 are shown schematically at which along the blank 10, 11 is folded around the cigarette group 12 around.

Die Zuschnitte 10, 11 werden dabei so gefaltet, dass in der Innenumhüllung eine geschlossene Bodenwand 14, eine Vorderwand 15, eine korrespondierende Rückwand 16 gebildet ist. Eine Stirnwand ist durch trapezförmig gefaltete Faltlappen 17 gebildet, die an die Vorderwand 15 und die Rückwand 16 anschließen und sich bei gefaltetem Zuschnitt 10, 11 teilweise überlappen. Seitenwände der Innenumhüllung werden von schmalen Faltlappen gebildet, die beiderseits von Bodenwand 14, Vorderwand 15 und Rückwand 16 angeordnet sind. Hierzu gehören auch die in einem unteren Bereich des Zuschnitts 10, 11, nämlich benachbart zur Bodenwand 14, trapezförmig gefalteten Seitenlappen 18. Nach Faltung der Zuschnitte 10 überlappen die Seitenlappen 18 einander teilweise.The blanks 10, 11 are folded so that in the inner sheath a closed bottom wall 14, a front wall 15, a corresponding rear wall 16 is formed. An end wall is formed by trapezoidally folded folding tabs 17, which adjoin the front wall 15 and the rear wall 16 and partially overlap when folded blank 10, 11. Side walls of the inner sheath are formed by narrow folding tabs, which are arranged on both sides of the bottom wall 14, front wall 15 and rear wall 16. These include also in a lower portion of the blank 10, 11, namely adjacent to the bottom wall 14, trapezoidally folded side tabs 18. After folding the blanks 10, the side lobes 18 overlap each other in part.

Ein oberer Teil der Vorderwand 15 der Innenumhüllung ist als Abziehlasche 19 ausgebildet. Diese wird durch eine untere quergerichtete Perforationslinie 20 begrenzt, die sich durchgehend im Bereich der Vorderwand 15 und der beidseitig anschließenden Seitenlappen 18 erstreckt. Einzelheiten zur Herstellung der Abziehlasche 19 können der europäischen Patentanmeldung EP 0 589 289 A1 der Anmelderin entnommen werden, auf die zum Zwecke der vollständigen Offenbarung Bezug genommen wird.An upper part of the front wall 15 of the inner wrapper is designed as a pull tab 19. This is limited by a lower transverse perforation line 20 which extends continuously in the region of the front wall 15 and the side flaps 18 adjoining on both sides. Details of the preparation of the pull tab 19 may European patent application EP 0 589 289 A1 be taken from the applicant for the purpose of complete Revelation is referred to.

Die fertigen Zuschnitte 10, 11 sind weiterhin mit einer Bedruckung 21 bzw. einem bedruckten Bereich versehen. Die Bedruckung 21 befindet sich im Bereich der Vorderwand 15, nämlich oberhalb der Perforationslinie 20.The finished blanks 10, 11 are further provided with a print 21 or a printed area. The printing 21 is located in the region of the front wall 15, namely above the perforation line 20.

Eine Besonderheit des Zuschnitts 10 gemäß Fig. 1 besteht darin, dass dieser eine Prägung 22 aufweist. Im vorliegenden Fall erstreckt sich die Prägung 22 einerseits oberhalb der Perforationslinie 20 über die volle Breite der Vorderwand 15 und der beidseitigen Seitenlappen 18 sowie im Bereich der Faltlappen 17 für die Stirnwand. Im Bereich der Bedruckung 21 ist keine Prägung 22 vorhanden. Im vorstehend beschriebenen Abschnitt des Zuschnitts 10 ist die Prägung 22 als durchgehend geprägter Bereich ausgebildet, der sich jeweils bis an die seitlichen Ränder des Zuschnitts erstreckt. Weiterhin mit einer Prägung 22 als durchgehend geprägter Bereich ist entsprechend ein oberer Bereich der Rückwand 16 und des angrenzenden Seitenlappen 18 sowie die Faltlappen 17 versehen. Ein zwischen den beiden Prägungen 21 befindlicher Bereich 61 des Zuschnitts 11 ist nicht geprägt.A special feature of the blank 10 according to Fig. 1 is that it has an embossment 22. In the present case, the embossing 22 extends on the one hand above the perforation line 20 over the full width of the front wall 15 and the two-sided side tabs 18 and in the region of the folding tabs 17 for the end wall. In the area of the printing 21 no embossment 22 is present. In the section of the blank 10 described above, the embossment 22 is formed as a continuous embossed area, which extends in each case to the lateral edges of the blank. Furthermore, with an embossment 22 as a continuously embossed region, an upper region of the rear wall 16 and of the adjacent side tab 18 and the folding tabs 17 are correspondingly provided. An area 61 of the blank 11 located between the two embossments 21 is not embossed.

Die Prägung 22 ist im vorliegenden Fall so positioniert, dass diese sich über die Bereiche des Innenzuschnitts erstreckt, die bei geöffneter Zigarettenpackung, also beispielsweise bei aufgeschwenktem Deckel sichtbar sind. Zudem befindet sich die Prägung 22 auf diese Weise im Bereich der Stirnwand der Innenumhüllung. Die Prägung des Zuschnitts 10 sorgt in diesem Fall dafür, dass den Rückstellkräfte der mehrfach gefalteten Faltlappen 17, 18 in diesem Bereich entgegengewirkt wird. Die Innenumhüllung lässt sich auf diese Weise leichter falten und weist eine geringere Neigung auf sich nach dem Faltvorgang wieder zu entfalten.In the present case, the embossment 22 is positioned so that it extends over the regions of the inner blank which are visible when the cigarette packet is open, that is to say, for example, when the lid is opened. In addition, the embossment 22 is in this way in the region of the end wall of the inner sheath. The embossing of the blank 10 in this case ensures that the restoring forces of the multiply folded folding tabs 17, 18 are counteracted in this area. The inner wrapper can be folded in this way easier and has a lower tendency to unfold after the folding process again.

Zusätzlich zu der vorstehend beschriebenen Prägung 22 können auch noch weitere Element in dem Zuschnitt 10,11 eingeprägt sein, beispielsweise ein Emblem 23. Dieses ist im vorliegenden Fall oberhalb der Bedruckung 21 im Bereich der Vorderwand 15 angeordnet.In addition to the embossing 22 described above, other elements may also be embossed in the blank 10, 11, for example an emblem 23. In the present case, this is arranged above the printing 21 in the region of the front wall 15.

Der Zuschnitt 11 gemäß Fig. 2 unterscheidet sich von dem Zuschnitt 10 in Fig. 1 dadurch, dass dieser keine vollflächigen Prägungen 22 aufweist. Lediglich das Emblem 23 ist eingeprägt. Alternativ kann das Emblem 23 auch wie die Bedruckung 21 aufgedruckt sein.The blank 11 according to Fig. 2 differs from the blank 10 in Fig. 1 in that it does not have any full-surface impressions 22. Only the emblem 23 is embossed. Alternatively, the emblem 23 may also be printed like the printing 21.

Diese Prägung 22 wird wie nachfolgend geschildert bei der Verarbeitung der Zuschnitte 10, 11 angebracht: Die Zuschnitte 10, 11 für die Innenumhüllung werden in den vorliegenden Ausführungsbeispielen von einer Materialbahn 24 im Bereich einer teilweise dargestellten Verpackungsmaschine für Klappschachteln (Fig. 3) abgetrennt. Die Materialbahn 24 ist zu einer Bobine 25 gewickelt und wird im Hinblick auf die Bedruckung 21 vorgefertigt an der Verpackungsmaschine bereitgestellt, d.h. sie wird an ihrem Herstellungsort, beispielsweise in einer Papierfabrik, bereits mit den Bedruckungen 21 versehen. Die Bedruckungen 21 sind in vorgegebenen Abständen in Längsrichtung auf der Materialbahn 24 vorgesehen. Der Abstand der Bedruckungen 21 entspricht dabei der Länge eines Zuschnitts 10, 11.This embossment 22 is applied in the processing of the blanks 10, 11 as described below: The blanks 10, 11 for the inner sheath are in the present embodiments of a material web 24 in the region of a partially illustrated packaging machine for folding boxes ( Fig. 3 ) separated. The material web 24 is wound into a reel 25 and is prefabricated with regard to the printing 21 provided on the packaging machine, ie it is already provided at its place of manufacture, for example in a paper mill, with the imprints 21. The imprints 21 are provided at predetermined intervals in the longitudinal direction on the material web 24. The distance between the prints 21 corresponds to the length of a blank 10, 11th

Damit die Zuschnitte 10, 11 in der Verpackungsmaschine so abgetrennt werden können, dass die Bedruckung 21 stets an der gleichen Stelle im Bereich der Vorderwand 15 positioniert ist, muss eine entsprechende Kontrolle erfolgen. Hierzu sind Druckmarken 26 an der Materialbahn 24 angebracht. Die Druckmarken 26 befinden sich im vorliegenden Fall an einem zur Bodenwand 14 benachbarten Seitenlappen 18. Wie die Bedruckung 21, so sind auch die Druckmarken 26 mit konstantem Abstand zueinander in Längsrichtung der Materialbahn 24 hintereinander angeordnet und werden bei der Herstellung an der Materialbahn 24 angebracht.So that the blanks 10, 11 can be separated in the packaging machine so that the printing 21 is always positioned at the same location in the region of the front wall 15, a corresponding control must take place. For this purpose, print marks 26 are attached to the material web 24. In the present case, the print marks 26 are located on a side flap 18 adjacent to the bottom wall 14. Like the print 21, the print marks 26 are arranged at a constant distance from one another in the longitudinal direction of the material web 24 and are attached to the material web 24 during production.

In der Übersichtsdarstellung gemäß Fig. 3 ist zu erkennen, dass die einzelnen Zigaretten in einem Speicher 27 bereitgehalten und seitlich in einen Zigarettenrevolver 28 eingeschoben werden. Aus dem Zigarettenrevolver 28 wird durch Mitnehmer 29 jeweils eine Zigarettengruppe 12 seitlich herausgeschoben und entlang einer ebenen Transportbahn weiterbefördert und im Bereich einer Schneideeinrichtung 30 in die aus der Materialbahn 24 herausgetrennten Zuschnitte 10, 11 eingewickelt. Jeweils ein Zuschnitt 10, 11 wird dabei in einer aufrechten Ebene bereitgehalten, derart, dass die Zigarettengruppe 12 in gegen den aufgespannten Zuschnitt 10, 11 gefahren wird unter Mitnahme des Zuschnitts 10, 11 und U-förmiger Faltung derselben um die Zigarettengruppe 12 herum. Nachfolgend wird der Zuschnitt 10, 11 jeweils um die Zigarettengruppe 12 herumgefaltet.In the overview according to Fig. 3 It can be seen that the individual cigarettes are held in a memory 27 and inserted laterally into a cigarette turret 28. From the cigarette turret 28, a cigarette group 12 is laterally pushed out by carriers 29 and conveyed along a flat transport path and wrapped in the region of a cutting device 30 in the cut-out of the web 24 blanks 10, 11. In each case a blank 10, 11 is kept ready in an upright plane, such that the cigarette group 12 is moved in against the clamped blank 10, 11, taking along the blank 10, 11 and U-shaped folding of the same around the cigarette group 12 around. Subsequently, the blank 10, 11 is folded around the cigarette group 12 respectively.

Ebenfalls im Bereich der Schneideeinrichtung 30 wird vor dem Umwickeln der Zigarettengruppe 12 mit dem Zuschnitt 10, 11 ein Kragen auf die Zigarettengruppe 12 aufgelegt. Die Kragen werden dabei wie die Zuschnitte von einer Bobine 31 als fortlaufende Materialbahn 32 abgewickelt und nach dem Abtrennen von einzelnen Kragen auf die Zigarettengruppe 12 aufgelegt. Im vorliegenden Fall werden zwei Bobinen 31 für die Kragen bereitgehalten, wobei eine Bobine 31 als Ersatzbobine dient, auf die zugegriffen wird, sobald die jeweils andere Bobine 31 abgewickelt ist.Also in the region of the cutting device 30, a collar is placed on the cigarette group 12 before the wrapping of the cigarette group 12 with the blank 10, 11. The collars are like the blanks of a reel 31 unwound as a continuous web of material 32 and placed on the cigarette group 12 after the separation of individual collar. In the present case, two bobbins 31 are provided for the collars, with a reel 31 serving as a substitute bolus, which is accessed as soon as the other reel 31 is unwound.

Die Materialbahn 24 für die Zuschnitte 10, 11 wird ausgehend von der Bobine 25 zunächst über mehrere Umlenkrollen 33 geführt, zwischen denen die Materialbahn 24 zick-zack-förmig geführt wird. Dieser mit Umlenkrollen 33 ausgestattete Bereich dient zum einen zur Regelung der Bahnspannung, kann aber auch als Bahnspeicher herangezogen werden. Entsprechend kann die Position der Umlenkrollen 33 zueinander verändert werden.The material web 24 for the blanks 10, 11 is initially guided starting from the reel 25 via a plurality of guide rollers 33, between which the material web 24 is guided in a zig-zag shape. This equipped with pulleys 33 area serves on the one hand to control the web tension, but can also be used as a web memory. Accordingly, the position of the guide rollers 33 can be changed to each other.

Aus dem. Bereich der Umlenkrollen 33 läuft die Materialbahn 24 etwa horizontal heraus und wird über eine Antriebswalze 34 und eine weitere Umlenkrolle 39 einer Prägeeinrichtung 60 mit einem Prägewalzenpaar 35 zugeführt. Hier wird die eingangs beschriebene Prägung 22 und ggf. das Emblem 23 auf der Materialbahn 24 angebracht. Im Anschluss an das Prägewalzenpaar 35 wird die Materialbahn 24 über eine weitere Umlenkrolle 40 in horizontaler Richtung der Schneideeinrichtung 30 zugeführt. Diese verfügt über ein Paar Vorzugswalzen 36, die die Materialbahn 24 einem drehend angetriebenen Messerblock 37 zuführen. Mit dem Messerblock 37 wird zum einen jeder Zuschnitt 10, 11 mit einer Perforationslinie 20 versehen und nachfolgend aus der Materialbahn 24 herausgetrennt. Während dieser Trennschnitt durchgeführt, liegt der Zuschnitt 10, 11 bereits schlupfend an einem weiteren Förderorgan, nämlich einer Auflegewalze 38 an. An der Auflegewalze 38 wird der Zuschnitt 10, 11 mit Unterdruck über Saugbohrungen gehalten, und zwar ausschließlich in seitlichen Bereichen, sodass die Zigarettengruppe 12 quer zur Förderbahn der Zuschnitte 10, 11 und durch die Auflegewalze 38 hindurch gegen den bereitgehaltenen Zuschnitt 10, 11 gefahren werden kann. Details der Vereinzelung der Zuschnitte 10, 11 mit der Schneideeinrichtung 30 ergeben sich aus der deutschen Patentanmeldung DE 198 59 949 A1 der Anmelderin, auf die zum Zwecke der vollständigen Offenbarung Bezug genommen wird.From the. In the region of the deflection rollers 33, the material web 24 runs out approximately horizontally and is fed via a drive roller 34 and a further deflection roller 39 to an embossing device 60 with an embossing roller pair 35. Here, the embossing 22 described above and possibly the emblem 23 is mounted on the web 24. Subsequent to the embossing roller pair 35, the material web 24 is fed via a further deflection roller 40 in the horizontal direction of the cutting device 30. This has a pair of feed rollers 36, the web 24 a feed rotating knife block 37. With the knife block 37, on the one hand, each blank 10, 11 is provided with a perforation line 20 and subsequently separated out of the material web 24. While this separating cut is carried out, the blank 10, 11 is already slipping on a further conveying member, namely a lay-on roller 38. At the roll-up roller 38, the blank 10, 11 is held with negative pressure via suction holes, only in lateral areas, so that the cigarette group 12 are moved transversely to the conveying path of the blanks 10, 11 and through the lay-up roller 38 against the prepared blank 10, 11 can. Details of the separation of the blanks 10, 11 with the cutting device 30 result from the German patent application DE 198 59 949 A1 Applicant's Reference is made to the full disclosure.

Die Antriebswalze 34 wird von einem separaten Antriebsmittel 41, beispielsweise einem Servomotor angetrieben (Fig. 4). Die als Vorzugswalze ausgebildete Antriebswalze 34 ist über einen Antriebsriemen 42 mit dem Servomotor gekoppelt. Um Fehlstellungen der Materialbahn 24 ausgleichen zu können, ist das Antriebsmittel 41 nicht an den Maschinentakt gekoppelt, sondern hinsichtlich der Antriebsgeschwindigkeit frei variierbar, um den Vorschub bzw. Vorzug der Materialbahn 24 gegenüber dem Maschinentakt zu verlangsamen oder zu beschleunigen.The drive roller 34 is driven by a separate drive means 41, for example a servomotor ( Fig. 4 ). The drive roller 34 designed as a preferred roller is coupled to the servomotor via a drive belt 42. In order to compensate for misalignments of the material web 24, the drive means 41 is not coupled to the machine cycle, but freely variable with respect to the drive speed to slow down the feed or preference of the web 24 relative to the machine cycle or accelerate.

Im Bereich des Antriebsmittels 41 und der Antriebswalze 34 ist weiterhin ein Druckmarkenleser 43 positioniert, mit dem die an der Materialbahn 24 angebrachten Druckmarken 26 abgetastet werden. Eine Fehlstellung der Materialbahn 24 ist dann gegeben, wenn der Druckmarkenleser 43 nicht zu einem vorgegebenen Zeitpunkt den Durchlauf einer Druckmarke 26 registriert. Der vorgegebene Zeitpunkt ergibt sich dabei beispielsweise aus einer bestimmten Maschinenstellung bzw. einem bestimmten Maschinenwinkel.In the area of the drive means 41 and the drive roller 34, a print mark reader 43 is furthermore positioned with which the print marks 26 attached to the material web 24 are scanned. A misalignment of the web 24 is given when the print mark reader 43 does not register the passage of a print mark 26 at a given time. The predefined time results, for example, from a specific machine position or a specific machine angle.

Eine Fehlstellung der Materialbahn 24, also eine Fehlpositionierung der Bedruckung 21 in Transportrichtung, würde ohne korrigierenden Eingriff zu einer fehlpositionierten Prägung 22 und einem entsprechenden fehlerhaften Trennschnitt beim Vereinzeln der Zuschnitte 10, 11 führen, da das Prägewalzenpaar 35 und die Schneideeinrichtung 30 an den Maschinentakt gekoppelt sind. Es ist daher vorgesehen, dass die Bahngeschwindigkeit der Materialbahn 24 nach Maßgabe der erkannten Druckmarken 26 durch unterschiedliche Antriebsgeschwindigkeiten der Antriebswalze 34 ausgeglichen wird, bevor die Materialbahn 24 in den Bereich des Prägewalzenpaares 35 gelangt.A misalignment of the material web 24, so a mispositioning of the print 21 in the transport direction would lead without corrective intervention to a mispositioned embossing 22 and a corresponding faulty separation cut when separating the blanks 10, 11, since the embossing roller pair 35 and the cutting device 30 coupled to the machine cycle are. It is therefore provided that the web speed of the material web 24 is compensated in accordance with the detected print marks 26 by different drive speeds of the drive roller 34 before the web 24 passes into the region of the embossing roller pair 35.

Eine Besonderheit hinsichtlich des Ausgleichs von Fehlstellungen der Materialbahn 24 besteht darin, dass dies erfolgt während die Materialbahn 24 nicht durch die Prägeeinrichtung 60 geprägt wird. Das Prägewalzenpaar 35 besteht aus zwei Prägewalzen 44, 45. Diese werden synchron im Maschinentakt angetrieben. Die Prägewalzen 44, 45 sind so angeordnet, dass deren Umfangsflächen wenigstens bereichsweise miteinander in Eingriff stehen, sodass die zwischen den beiden Prägewalzen 44, 45 hindurchgeführte Materialbahn 24 bereichsweise eine Prägung 22 gemäß Fig. 1 erhält. Die Umfangsfläche der Prägewalzen 44, 45 ist dabei bereichsweise mit kleinen Erhebungen und Vertiefungen versehen, die zu einer flächigen Prägung 22 der Materialbahn 24 führen. Die beiden Prägewalzen 44, 45 stehen über diese kleinen Erhebungen und Vertiefungen auch miteinander im Eingriff.A special feature with regard to the compensation of misalignments of the material web 24 is that this takes place while the material web 24 is not embossed by the embossing device 60. The embossing roller pair 35 consists of two embossing rollers 44, 45. These are driven synchronously in the machine cycle. The embossing rollers 44, 45 are arranged so that their peripheral surfaces are at least partially engaged, so that the guided between the two embossing rollers 44, 45 web of material 24 in some areas an embossment 22 according to Fig. 1 receives. The peripheral surface of the embossing rollers 44, 45 is partially provided with small elevations and depressions, which lead to a flat embossment 22 of the web 24. The two embossing rollers 44, 45 are on these small projections and wells also engaged with each other.

Um die in Fig. 1 gezeigte bereichsweise Prägung 22 anzubringen, weist eine der beiden Prägewalzen 44 eine sich über den Umfang der Prägewalze 44 erstreckende Ausnehmung 46 bzw. Vertiefung auf (Fig. 7). Im vertieften Bereich liegen die Umfangsflächen der Prägewalzen 44, 45 im Bereich der Materialbahn 24 nicht aneinander an, sodass diese frei zwischen den Prägewalzen 44, 45 hindurchgeführt wird. Die Relativlage der Bedruckungen 21 wird dabei über den Druckmarkenleser 43 und die Antriebswalze 34 so gesteuert, dass die Prägung 22 an der richtigen Stelle in Bezug auf die Bedruckung 21 positioniert ist. Damit ergibt sich auch die korrekte Positionierung der Prägung 22 auf dem abgetrennten Zuschnitt 10.To the in Fig. 1 In some embodiments, embossing 22 has to be applied, one of the two embossing rollers 44 has a recess 46 or recess extending over the circumference of embossing roller 44 (FIG. Fig. 7 ). In the recessed area, the peripheral surfaces of the embossing rollers 44, 45 are not adjacent to one another in the area of the material web 24, so that they are guided freely between the embossing rollers 44, 45. The relative position of the printing 21 is controlled via the print mark reader 43 and the drive roller 34 so that the embossment 22 is positioned at the correct position with respect to the printing 21. This also results in the correct positioning of the embossment 22 on the severed blank 10.

Zur Anbringung des Emblems 23 ist an der Prägewalze 45 an entsprechender Stelle eine korrespondierend ausgestaltete Erhebung 47 vorgesehen.For attaching the emblem 23, a correspondingly configured elevation 47 is provided on the embossing roller 45 at the corresponding point.

Eine Besonderheit hinsichtlich der Änderung der Bahnposition zum Ausgleich von Fehlstellungen besteht darin, dass dies nur dann erfolgt, während die Materialbahn 24 frei durch die Prägewalzen 44, 45 hindurchgeführt wird, also während der mit der Vertiefung bzw. Ausnehmung 46 versehene Bereich der Prägewalze 44 an der Prägewalze 45 anliegt. Je größer dabei die nicht geprägten Bereiche 61 an der Materialbahn 24 sind, desto mehr Zeit steht zur Verfügung, um Fehlstellungen der Bedruckung 21 auszugleichen. Sind die Fehlstellungen sehr groß bzw. die nicht geprägten Bereiche 61 sehr klein, muss ggf. in Kauf genommen werden, dass der Ausgleich der Fehlstellung sich über die Fertigung von mehreren Zuschnitten 10, 11 erstreckt.A special feature with regard to the change of the web position to compensate for misalignments is that this only takes place while the material web 24 is guided freely through the embossing rolls 44, 45, ie during the region of the embossing roll 44 provided with the depression or recess 46 the embossing roll 45 is applied. The greater the unembossed areas 61 on the material web 24, the more time is available to compensate for misalignments of the printing 21. If the misalignments are very large or the unembossed regions 61 are very small, it may be necessary to accept that the compensation of the misalignment extends beyond the production of a plurality of blanks 10, 11.

Eine weitere Besonderheit besteht darin, dass der Servomotor bzw. das Antriebsmittel 41, die Antriebswalze 34 und die Prägeeinheit 60 bzw. das Prägewalzenpaar 35 zusammen eine Einheit bzw. Baugruppe bilden. Hierzu gehört ggf. auch noch der Druckmarkenleser 43. Diese Einheit kann wenigstens teilweise von einem gemeinsamen Gehäuse umgeben oder an einem gemeinsamen Träger montiert sein. Ein Vorteil dieser Einheit besteht beispielsweise darin, dass sie zur Umrüstung vorhandener Verpackungsmaschinen geeignet ist. Auf diese Weise können Verpackungsmaschinen, auf denen normalerweise ungeprägte oder vorgeprägte Zuschnitte für den Innerliner verarbeitet werden, umgerüstet werden, indem z.B. Antriebswalzen für die Materialbahn durch die vorstehend beschriebene Einheit ersetzt werden. So kommt an Stelle eines ersten Antriebswalzenpaares die Antriebswalze 34 und der Servomotor zum Einsatz, wohingegen ein zweites Antriebswalzenpaar durch das Prägewalzenpaar 35 ersetzt wird. Für das Prägewalzenpaar 35 kann der vorhandene an den Maschinentakt gekoppelte Antrieb verwendet werden. Den separaten Antrieb für die Antriebswalze 34 bringt die Einheit mit. In einem einfachen Fall ist lediglich ein Stromanschluss für den Servomotor erforderlich sowie eine Verkabelung mit einer Steuereinheit und gegebenenfalls dem Druckmarkenleser 43.Another special feature is that the servomotor or the drive means 41, the drive roller 34 and the embossing unit 60 and the embossing roller pair 35 together form a unit or assembly. This may also include the print mark reader 43. This unit may be at least partially surrounded by a common housing or mounted on a common carrier. An advantage of this unit is, for example, that it is suitable for retrofitting existing packaging machines. In this way, packaging machines, on which normally unembossed or pre-embossed blanks for the innerliner are processed, can be converted, for example, by replacing drive rollers for the material web by the unit described above. Thus, instead of a first drive roller pair, the drive roller 34 and the servo motor are used, whereas a second drive roller pair is replaced by the embossing roller pair 35. For the embossing roller pair 35, the existing coupled to the machine cycle drive can be used. The separate drive for the Drive roller 34 brings the unit with. In a simple case, only a power connection for the servomotor is required and a wiring with a control unit and possibly the print mark reader 43.

Weitere Einzelheiten des Aufbaus und des Antriebs der Prägewalzen 44, 45 ergeben sich aus Fig. 5 bis 7. Die Prägewalzen 44, 45 sind an einer Seite jeweils auf einer Lagerwalze 48 gelagert und werden über Antriebswellen 49 angetrieben. Seitlich benachbart zu den Prägewalzen 44, 45 sind Zahnräder 50 an den Antriebswellen 49 vorgesehen, die miteinander im Eingriff stehen, sodass die Prägewalzen 44, 45 miteinander gekoppelt sind. In Fig. 5 ist dieser Eingriff der Zahnräder 50 seitlich schematisch dargestellt.Further details of the structure and the drive of the embossing rollers 44, 45 emerge Fig. 5 to 7 , The embossing rollers 44, 45 are mounted on one side each on a bearing roller 48 and are driven by drive shafts 49. Laterally adjacent to the embossing rollers 44, 45, gear wheels 50 are provided on the drive shafts 49, which are engaged with each other, so that the embossing rollers 44, 45 are coupled together. In Fig. 5 This engagement of the gears 50 is shown laterally schematically.

Bei der Herstellung der geprägten Zuschnitte 10 stehen die Prägewalzen 44, 45 zudem auch noch über ihre Umfangsflächen miteinander in Eingriff. Um diesen Eingriff auch dann zu gewährleisten, wenn die Materialbahn 24 frei zwischen den Prägewalzen 44, 45 hindurchgeführt wird, weisen die Prägewalzen 44, 45 eine größere Breite als die Materialbahn 24 auf. Auf diese Weise stehen die Umfangsflächen der Prägewalzen 44, 45 beiderseits der Materialbahn 24 bzw. der Ausnehmung 46 miteinander im Eingriff, also auch wenn keine Prägung der Materialbahn 24 stattfindet.In the production of the embossed blanks 10, the embossing rollers 44, 45 are also still on their peripheral surfaces engaged with each other. In order to ensure this engagement even when the material web 24 is passed freely between the embossing rolls 44, 45, the embossing rolls 44, 45 have a greater width than the material web 24. In this way, the peripheral surfaces of the embossing rollers 44, 45 on both sides of the material web 24 and the recess 46 are engaged with each other, so even if no embossing of the material web 24 takes place.

Um auf der vorstehend beschriebenen Vorrichtung ungeprägte Zuschnitte 11 herstellen zu können, ist vorgesehen, dass die beiden Prägewalzen 44, 45 auseinander bewegt werden können, damit die Materialbahn 24 ständig frei zwischen den Prägewalzen 44, 45 hindurchgeführt wird. Eine derartige Situation ist in Fig. 6 gezeigt. Dabei werden die beiden Prägewalzen 44, 45 bzw. in eine auseinander gerückte Stellung bewegt. Dies kann beispielsweise über eine verstellbare Lagerung eines der beiden Prägewalzen 44, 45 erfolgen. In dieser auseinandergerückten Stellung ist vorgesehen, dass die Zahnräder 50 weiterhin in Eingriff miteinander bleiben, wie seitlich in Fig. 6 dargestellt. Auf diese Weise geht auch in der auseinander gerückten Stellung die Relativstellung der Prägewalzen 44, 45 zueinander nicht verloren. Eine Justierung derselben nach dem Zusammenbewegen der Prägewalzen 44, 45 entfällt somit.In order to be able to produce unembossed blanks 11 on the apparatus described above, it is provided that the two embossing rolls 44, 45 can be moved apart so that the material web 24 is continuously guided freely between the embossing rolls 44, 45. Such a situation is in Fig. 6 shown. In this case, the two embossing rollers 44, 45 or moved into an extended position. This can be done, for example, via an adjustable mounting of one of the two embossing rolls 44, 45. In this disengaged position it is provided that the gears 50 remain in engagement with each other, as laterally in Fig. 6 shown. In this way, even in the unfolded position, the relative position of the embossing rolls 44, 45 is not lost to each other. An adjustment of the same after the moving together of the embossing rollers 44, 45 thus eliminated.

Weiterhin ist vorgesehen, dass in der auseinander gerückten Stellung der Prägewalzen 44, 45 gemäß Fig. 6 der Transportweg der Materialbahn 24 verändert wird. Während in der Normalstellung gemäß Fig. 5 die Materialbahn 24 ausgehend von der Umlenkrolle 39 im Bereich der Antriebswalze 34 schräg nach unten direkt an den Umfang der Prägewalze 45 und von dort aus abwärts über die untere Umlenkrolle 40 gelenkt wird, wird der Transportweg der Materialbahn 24 in der auseinander gerückten Stellung gemäß Fig. 6 durch eine weitere Umlenkrolle 51 verändert. Diese Umlenkrolle 51 wird gekoppelt mit dem Auseinanderbewegen der Prägewalzen 44, 45, horizontal verschoben, sodass die Materialbahn 24 zwischen den beiden Umlenkrollen 51 und 40 in einer aufrechten Bahnebene zwischen den Prägewalzen 44 und 45 geführt wird. Die Umlenkrolle 51 kann automatisch beim Zusammenschieben der Prägewalzen 44, 45 wieder in ihre Stellung gemäß Fig. 5 verbracht werden.Furthermore, it is provided that in the disengaged position of the embossing rolls 44, 45 according to Fig. 6 the transport path of the material web 24 is changed. While in the normal position according to Fig. 5 the material web 24, starting from the deflection roller 39 in the region of the drive roller 34, is directed diagonally downwards directly onto the circumference of the embossing roller 45 and from there downwards over the lower deflection roller 40, the transport path of the material web 24 is set in the disengaged position according to FIG Fig. 6 changed by a further deflection roller 51. This deflection roller 51, coupled with the moving apart of the embossing rollers 44, 45, horizontally displaced so that the material web 24 is guided between the two guide rollers 51 and 40 in an upright web plane between the embossing rollers 44 and 45. The guide roller 51 can automatically when pushing the embossing rollers 44, 45 back to their position Fig. 5 be spent.

Alternativ zu der vorstehend beschriebenen Prägung der Materialbahn 24 mit einem Prägewalzenpaar 35 zeigt Fig. 9 eine Variante, bei dem die Materialbahn 24 aufeinanderfolgend durch zwei Prägewalzenpaare 35, 52 geprägt wird. Das erste Prägewalzenpaar 35 entspricht dabei im Aufbau der vorstehenden Beschreibung. Auch bei dem Prägewalzenpaar 52 weist eine Prägewalze 53 eine Vertiefung 54 auf. Bei der anderen Prägewalze 55 des Prägewalzenpaars 52 fehlt jedoch eine Erhebung zur Prägung des Emblems 23.Alternatively to the above-described embossing of the material web 24 with an embossing roll pair 35 shows Fig. 9 a variant in which the material web 24 is successively embossed by two embossing roller pairs 35, 52. The first embossing roller pair 35 corresponds in structure to the above description. Also in the embossing roller pair 52, an embossing roller 53 has a recess 54. In the case of the other embossing roller 55 of the embossing roller pair 52, however, a protrusion for embossing the emblem 23 is missing.

Wie im ersten Ausführungsbeispiel ist der Umfang der Prägewalzen 44, 45; 53, 55 so bemessen, dass er der Längserstreckung eines Zuschnitts 10, 11 entspricht. Der Mittenabstand der beiden Prägewalzenpaare 35, 52 entspricht dabei dem halben Umfang der Prägewalzen 44, 45; 53, 55. Auf diese Weise können mehrfache Prägungen an der Materialbahn 24 angebracht werden, beispielsweise zunächst eine flächige Prägung mit einem ersten Muster in bestimmten Bereichen und nachfolgend eine zweite Prägung mit einem abweichenden Muster in anderen Bereichen. Die Prägung kann sich auch überlagern. Dies hängt im Wesentlichen von der Relativstellung der Vertiefungen 46, 54 zueinander ab. Im ersten Ausführungsbeispiel können auch die Prägewalzen 44, 45; 53, 55 der beiden Prägewalzenpaare 35, 52 separat oder zusammen auseinanderbewegt werden, um die Prägung der Materialbahn 24 durch das erste Prägewalzenpaar 35 und/oder das zweite Prägewalzenpaar 52 auszusetzen.As in the first embodiment, the circumference of the embossing rollers 44, 45; 53, 55 so dimensioned that it corresponds to the longitudinal extent of a blank 10, 11. The center distance of the two embossing roller pairs 35, 52 corresponds to half the circumference of the embossing rollers 44, 45; 53, 55. In this way, multiple embossings can be applied to the material web 24, for example first a flat embossing with a first pattern in certain areas and subsequently a second embossing with a deviating pattern in other areas. The embossing can also overlap. This depends essentially on the relative position of the recesses 46, 54 from each other. In the first embodiment, the embossing rollers 44, 45; 53, 55 of the two embossing roller pairs 35, 52 are moved apart separately or together to expose the embossment of the material web 24 through the first embossing roller pair 35 and / or the second embossing roller pair 52.

Weitere alternative Ausgestaltungen der Vorrichtung werden nachfolgend und Bezugnahme auf Fig. 8 beschrieben. Im Vergleich mit Fig. 4 ist ersichtlich, dass auf eine Trennung von Antriebswalze 34 und Prägewalzenpaar 35 verzichtet wurde. Stattdessen treibt der Servomotor bzw. das Antriebsmittel 41 direkt ein Prägewalzenpaar 56 an. Dieses Prägewalzenpaar 56 dient in diesem Fall also auch als Vorzugswalzenpaar zum Transport der Materialbahn 24 und zum Ausgleich von Fehlstellungen der Bedruckung 21 der Materialbahn 24. Entsprechend wird die Materialbahn 24 aus dem Bereich der Umlenkrollen 33 durch die beiden am Umfang aneinander anliegenden Prägewalzen 57, 58 des Prägewalzenpaars 56 hindurchgeführt und von dort aus direkt vom Vorzugswalzenpaar 36 in die Schneideeinrichtung 30 geführt. Wenn das Prägewalzenpaar 56 unabhängig vom Maschinentakt durch den Servomotor angetrieben wird, kann die Bahnposition durch die Prägewalzen 57, 58 verändert werden zum Ausgleich von Fehlstellungen. Die Prägewalzen 57, 58 bringen dabei aber keine abschnittsweise Prägung 22 an der Materialbahn 24 an, wie in Fig. 1 gezeigt, sondern eine durchgehende Prägung. In diesem Fall muss auf das Emblem 23 verzichtet werden, oder dieses muss zusammen mit der Bedruckung 21 auf der Materialbahn 24 aufgedruckt sein. Im Ergebnis ist die Zigarettengruppe 12 in einen Zuschnitt 59 eingehüllt, der im Bereich der Vorderwand 15 mit einer Bedruckung 21 versehen ist und zusätzlich eine sich über die gesamte Länge des Zuschnitts 59 erstreckende Prägung aufweist.Further alternative embodiments of the device are described below and with reference to FIG Fig. 8 described. In comparison with Fig. 4 It can be seen that a separation of drive roller 34 and embossing roller pair 35 was omitted. Instead, the servomotor or the drive means 41 directly drives an embossing roller pair 56. This embossing roller pair 56 is used in this case as a pair of preferred rollers for transporting the web 24 and to compensate for misalignments of the print 21 of the web 24. Accordingly, the web 24 from the area of the guide rollers 33 by the two adjacent to each other at the periphery embossing rollers 57, 58th of the embossing roller pair 56 passed and from there directly from the feed roller pair 36 in the cutting device 30. When the embossing roll pair 56 is driven by the servomotor independently of the machine cycle, the web position can be changed by the embossing rollers 57, 58 to compensate for misalignments. However, the embossing rollers 57, 58 do not apply section-wise embossing 22 to the material web 24, as in FIG Fig. 1 but a continuous imprint. In this case, the emblem 23 must be dispensed with, or this must be printed on the material web 24 together with the imprint 21. As a result, the cigarette group 12 is wrapped in a blank 59, which is provided in the region of the front wall 15 with a printing 21 and additionally has a over the entire length of the blank 59 extending embossing.

Um mit der in Fig. 8 gezeigten Vorrichtung auf einfache Weise ungeprägte Zuschnitte 11 herstellen zu können, ist es einerseits denkbar, die beiden Prägewalzen 57, 58 wie im ersten Ausführungsbeispiel auseinander zu bewegen. Alternativ ist es aber auch denkbar, die Prägewalzen 57, 58 durch gummierte Antriebswalzen zu ersetzen. In diesem Fall werden ungeprägte Zuschnitte 11 hergestellt, oder es können ungeprägte Materialbahnen 24 verarbeitet werden. Bezugszeichenliste 10 Zuschnitt 40 Umlenkrolle 11 Zuschnitt 41 Antriebsmittel 12 Zigarettengruppe 42 Antriebsriemen 13 Faltlinie 43 Druckmarkenleser 14 Bodenwand 44 Prägewalze 15 Vorderwand 45 Prägewalze 16 Rückwand 46 Ausnehmung 17 Faltlappen 47 Erhebung 18 Seitenlappen 48 Lagerwalze 19 Abziehlasche 49 Antriebswelle 20 Perforationslinie 50 Zahnrad 21 Bedruckung 51 Umlenkrolle 22 Prägung 52 Prägewalzenpaar 23 Emblem 53 Prägewalze 24 Materialbahn 54 Vertiefung 25 Bobine 55 Prägewalze 26 Druckmarke 56 Prägewalzenpaar 27 Zigarettenspeicher 57 Prägewalze 28 Zigarettenrevolver 58 Prägewalze 29 Mitnehmer 59 Zuschnitt 30 Schneideeinrichtung 60 Prägeeinrichtung 31 Bobine 61 Ungeprägter Bereich 32 Materialbahn 33 Umlenkrolle 34 Antriebswalze 35 Prägewalzenpaar 36 Vorzugswalzenpaar 37 Messerblock 38 Auflegewalze 39 Umlenkrolle To deal with in Fig. 8 shown device to produce unembossed blanks 11 in a simple manner, On the one hand, it is conceivable to move apart the two embossing rollers 57, 58 as in the first embodiment. Alternatively, it is also conceivable to replace the embossing rollers 57, 58 with rubberized drive rollers. In this case, unembossed blanks 11 are produced, or unembossed material webs 24 can be processed. LIST OF REFERENCE NUMBERS 10 cut 40 idler pulley 11 cut 41 drive means 12 cigarette group 42 drive belts 13 fold line 43 Print Mark 14 bottom wall 44 embossing roller 15 front wall 45 embossing roller 16 rear wall 46 recess 17 folding tabs 47 survey 18 side tabs 48 bedroll 19 pull tab 49 drive shaft 20 perforation 50 gear 21 Oppression 51 idler pulley 22 embossing 52 Embossing roll pair 23 emblem 53 embossing roller 24 web 54 deepening 25 reel 55 embossing roller 26 print mark 56 Embossing roll pair 27 cigarette store 57 embossing roller 28 cigarette revolver 58 embossing roller 29 takeaway 59 cut 30 cutter 60 embosser 31 reel 61 Unembossed area 32 web 33 idler pulley 34 drive roller 35 Embossing roll pair 36 Preferred roller pair 37 knife block 38 lay-on 39 idler pulley

Claims (9)

  1. Apparatus for producing blanks (10) for an inner wrapper of a cigarette group (12), in particular within an apparatus for producing cigarette packs, wherein the blanks (10) can be severed, by means of a cutting device (30), from a continuous material web (24), which is provided with imprints (21) at predetermined intervals, and wherein a printed-mark reader (43) is provided for checking the position of the imprints (21), and wherein the web position can be altered in order to compensate for incorrect positioning of the imprints (21), and wherein the material web (24), prior to the blanks (10) being severed, can be guided through a stamping device (60), with stamped formations (22) or stamped regions, which are spaced apart from one another in the longitudinal direction of the material web (24), being applied in the process, and wherein the web position can be altered by a drive means (41), in order to compensate for incorrect positioning, whereas the material web (24) can be guided freely through the stamping device (60), characterized by the following features:
    a) a recess (46) is formed in a certain region or regions of the circumference merely of one stamping roller (44) of a pair (35, 52) of stamping rollers of the stamping device (60), such that the material web (24) does not undergo stamping in a region (61) corresponding to the recess (46) as it runs through the pair (35) of stamping rollers, wherein the other stamping roller (45) of the pair (35, 52) of stamping rollers has no corresponding recess (46),
    b) the stamping rollers (44, 45) have a greater width than the material web (24), and therefore the stamping rollers (44, 45) engage with one another even in the region of the recess (46), in which the material web (24) is guided freely between the stamping rollers (44, 45),
    c) a drive roller (34) is arranged upstream of the pair (35, 52) of stamping rollers in order to advance the material web (24) at least in the region of the stamping device, wherein a regulatable drive means (41) is provided for the drive roller (34), it being possible for the drive speed of said drive means to be altered in order to compensate for incorrect positioning of the imprint (21),
    d) the printed-mark reader (43) is arranged in the region of the drive roller (34), which is arranged upstream of the pair (35, 52) of stamping rollers.
  2. Apparatus according to Claim 1, characterized in that the stamping rollers (44, 45; 53, 55) of one or each pair (35) of stamping rollers can be moved apart from one another, in order to produce an at least partially unstamped material web (24) or corresponding blanks (10, 11), wherein the stamping rollers (44, 45; 53, 55) are each mounted on drive shafts (49), the rotary movement of each of which is coupled such that the stamping rollers (44, 45; 53, 55) are driven synchronously even in the moved-apart position.
  3. Apparatus according to Claim 2, characterized in that the respective drive shafts (49) are each assigned gearwheels (50), which mesh with one another even in the moved-apart position.
  4. Apparatus according to Claim 2 or 3, characterized by an adjustable deflecting roller (51) for the material web (24) being positioned in the region of at least one stamping roller (44, 45), it being possible for said deflecting roller to be adjusted, at least for the production of non-stamped material webs (24), such that the material web (24) does not butt against the circumference of the stamping rollers (44, 45).
  5. Apparatus according to one of the preceding claims, characterized by the provision of a control unit for altering the drive speed of the drive means (41) (exclusively) as the material web (24) runs through the non-stamping region of the stamping rollers (44, 45).
  6. Apparatus according to one of the preceding claims, characterized in that the pair (35) of stamping rollers and the drive roller (34) with the drive means (41) are designed in the form of a subassembly, wherein preferably the mechanisms of the subassembly are arranged in a common housing and/or on a common carrier.
  7. Apparatus according to one of the preceding claims, characterized by the provision of two pairs (35, 52) of stamping rollers which follow one after the other and are spaced apart from one another, as seen in the transporting direction of the material web (24), by a centre-to-centre distance which corresponds to half the circumference of the stamping rollers (44, 45; 53, 55), and wherein the blanks (10, 11) which are to be severed can be partially stamped in each pair (35, 52) of stamping rollers.
  8. Apparatus according to one of the preceding claims, characterized in that the stamping device has two stamping rollers (44, 45; 53, 55; 57, 58) which form the pair (35, 52, 56) of stamping rollers, wherein the stamping rollers (44, 45; 53, 55; 57, 58) can be driven synchronously and preferably continuously in rotation, and wherein in particular the circumference of the stamping rollers (44, 45; 53, 55; 57, 58) corresponds essentially to the longitudinal extent (10, 11) of the blanks within the material web (24).
  9. Apparatus according to one of the preceding claims, characterized in that the stamped material web (24) can be fed, by a pair of advancement rollers (36), to the cutting device (30) for severing the blanks (10, 11), wherein, in the cutting device (30), preferably a knife roller (30) can be used to execute both a severing cut for separating the blanks (10, 11) and a perforation cut for forming a perforation line (20) running transversely to the longitudinal axis of the blanks.
EP06806159.7A 2005-11-25 2006-10-11 Apparatus for, producing blanks for an inner wrapper of a cigarette group Not-in-force EP1954568B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16000827.2A EP3088308B1 (en) 2005-11-25 2006-10-11 Method and device for producing blanks for an inner wrapper of a cigarette group

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005056627A DE102005056627A1 (en) 2005-11-25 2005-11-25 Device for producing blanks for inner wrapper of cigarette group, has blanks and prior to blanks being severed, material web is guided through stamping device and is provided with stamped regions or stamped formations
PCT/EP2006/009787 WO2007059820A1 (en) 2005-11-25 2006-10-11 Method of, and apparatus for, producing blanks for an inner wrapper of a cigarette group

Related Child Applications (2)

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EP16000827.2A Division EP3088308B1 (en) 2005-11-25 2006-10-11 Method and device for producing blanks for an inner wrapper of a cigarette group
EP16000827.2A Division-Into EP3088308B1 (en) 2005-11-25 2006-10-11 Method and device for producing blanks for an inner wrapper of a cigarette group

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EP1954568A1 EP1954568A1 (en) 2008-08-13
EP1954568B1 EP1954568B1 (en) 2016-06-01
EP1954568B2 true EP1954568B2 (en) 2019-03-13

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EP16000827.2A Not-in-force EP3088308B1 (en) 2005-11-25 2006-10-11 Method and device for producing blanks for an inner wrapper of a cigarette group

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EP3088308A1 (en) 2016-11-02
DE102005056627A1 (en) 2007-05-31
EP1954568B1 (en) 2016-06-01
EP1954568A1 (en) 2008-08-13
EP3088308B1 (en) 2018-12-12
WO2007059820A1 (en) 2007-05-31

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