EP0963908B1 - Apparatus for folding the end flap of a blank for a cigarette box - Google Patents

Apparatus for folding the end flap of a blank for a cigarette box Download PDF

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Publication number
EP0963908B1
EP0963908B1 EP99117191A EP99117191A EP0963908B1 EP 0963908 B1 EP0963908 B1 EP 0963908B1 EP 99117191 A EP99117191 A EP 99117191A EP 99117191 A EP99117191 A EP 99117191A EP 0963908 B1 EP0963908 B1 EP 0963908B1
Authority
EP
European Patent Office
Prior art keywords
folding
lid
blank
head
head flap
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
EP99117191A
Other languages
German (de)
French (fr)
Other versions
EP0963908A1 (en
Inventor
Michael Kleine Wächter
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.)
Topack Verpackungstechnik GmbH
Original Assignee
Topack Verpackungstechnik GmbH
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 Topack Verpackungstechnik GmbH filed Critical Topack Verpackungstechnik GmbH
Publication of EP0963908A1 publication Critical patent/EP0963908A1/en
Application granted granted Critical
Publication of EP0963908B1 publication Critical patent/EP0963908B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/228—Preparing and feeding blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/901—Rigid container
    • Y10S493/91—Cigarette container
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/901—Rigid container
    • Y10S493/91—Cigarette container
    • Y10S493/911—Flip-top

Definitions

  • the cigarette boxes of interest here are hard cup packs, which are commonly referred to as hinged-lid packs.
  • she consist of blanks from a light cardboard.
  • the blanks are around the contents of the pack in the form of an inner blank made of tin foil or one another slide wrapped cigarette blocks into a box part in one area a lid hinged to a rear wall of the box part.
  • the Hinged lid pack thus has a hinged lid with which it can be opened can be closed again.
  • the lower edge of the front wall of the Hinged lid is reinforced by an inwardly folded head flap to prevent damage to prevent the lid from being opened again.
  • the head flap can be fixed on the inside of the front cover by gluing.
  • US-PS 4 154 438 is a device for conveying blanks for Hinged-lid packs described for a packaging machine.
  • This conveyor is a not shown folding station for folding one on the blank provided, but apparently not too wide head flap assigned,
  • US-A-4 188 024 discloses a device according to the opening paragraph designated genre known, in which one of the interacting Folding organs serve as hold-downs for the lid front wall while the other a folding organ designed as a sliding folding finger when the head flap is folded over Coupling curve describes.
  • the invention has for its object a further device of the beginning Specify the type described.
  • the folding means two in the same direction rotating, interacting, the head flap successively around the folded edge a stationary folding strip that folds around and towards the inner surface of the front cover have oppressive folding organs, the head flap down first folding folding element running with its axis of rotation parallel to the folding edge of the folding strip from two identical rotating bodies arranged on a driven shaft exists, each of which interacts with the folding bar, the Head flap acting on the nose, and that the following Head flap upward folding organ between the rotating bodies of the first Folding member is arranged around a second shaft.
  • FIGS. 1 to 3 show different views in a schematic representation a device 1 according to the invention for folding a head flap on a Blank 2 of a hinged lid pack for cigarettes.
  • the training of the blank 2 can best be seen in the top view of FIG. 1.
  • Such a Box blank 2 also referred to as a blank, serves in the form of a hinged lid pack or hinged lid pack for the outer wrapping of one with inner wrapping film provided block-shaped cigarette group 3, such as that in 6 and 7, to which reference will be made later.
  • the box blank 2 is composed of a in its central area Head flap 4, which is also referred to as inner lid flap, of a front wall of the lid 6, a top lid wall 7, a lid rear wall 8, a rear wall 9, a bottom wall 11 and a front wall 12 and on both sides of the above Box parts from outer lid side tabs 13, inner lid top tabs 14, inner lid side tab 16, inner side tab 17, inner bottom wall tab 18 and outside tabs 19 together.
  • the individual blank walls and blanking flaps are dashed with each other shown, pre-embossed fold lines connected and shown with solid lines, stamped separation cuts.
  • the head or lid inner flap 4 is wider than the lid front wall 6.
  • the semicircular shaped side areas 21 of the head flap 4 protrude on both sides beyond the width of the front cover 6.
  • This "extra-wide" head flap 4 becomes the inside at a crease line 22 the lid front wall 6 folded out and so placed on the lid front wall.
  • the side areas 21 protrude a little into the area of the cover side tabs 13 into it, whereby the head flap 4 flaps up after the lid side flaps 13 is held mechanically in its folded position can be seen from FIG. 6 and can also be seen in FIG.
  • the side areas 21 of the head flap 4 rest after the lid side tabs 13 have been set up this and keep the head flap 4 mechanically folded over in this way Position.
  • the kink lines 23 can be weakened, e.g. be grooved.
  • Figures 1 to 3 show a device for folding the head flap 4 and for bending the side areas 21 in three different views.
  • a box blank 2 is by means of a conveyor, which in the illustrated embodiment has two toothed belts 24, in the direction of the arrow transverse to it Longitudinal orientation promoted in a folding station 27.
  • the conveyors 24 are with stops 28 provided for the exact positioning of the blanks 2.
  • Parallel to The conveyors 24 have support rails 29 for supporting the blank during transportation.
  • the conveyor 24 is driven in steps and positions the blanks 2 one after the other in the folding station for processing 27.
  • a transport device of this type is described, for example, in US Pat. No. 4,154 438 and described in detail.
  • the folding station 27 are folding means 31 in the form of a stationary folding strip 32, a pivotable or rotating folding member 33 and a stationary Mouthpiece with side cheeks 34 assigned.
  • the folding member 33 consists of two identical rotating bodies on one driven in the direction of arrow 36 (FIG. 2) Shaft 37. The drive of the shaft is shown schematically in FIG. 1 and at 38 designated.
  • Each rotating body of the folding member 33 has a nose 39 which for folding the head flap 4 with the folding strip 32 and the side cheeks 34 of the Interacts with the mouthpiece.
  • the axis of rotation of the folding member 33 runs parallel to the folding edge of the folding strip 32.
  • the sequence of the folding process can be seen in FIGS. 2 to 5.
  • the noses 39 of the folding member 33 rotating in the direction of arrow 36 according to FIG Head flap 4 and fold it around the fold edge of the fold bar 32, making it 3 between the stationary side cheeks 34 of the mouthpiece move through.
  • the side areas 21 of the head flap 4 are attached to the Kink lines 23 bent.
  • the first rotating folding member 33 acts second rotating folding member 41 together, which between the rotating bodies 33rd of the first folding member rotates around a second shaft 42.
  • the second folding organ takes hold of the top flap 4 folded down from the first (see FIG. 4) and presses it further to the inner surface of the front cover 6 (see FIG. 5).
  • the blank 2 After folding the head flap 4 as described in the folding station 27 the blank 2 is positioned in a press station 43 for processing.
  • the pressing station 43 has a press 44 with a stationary upper die 46 and a lower die pivotable on a support 47 about an axis 48 49 on.
  • the blank 2 with the head flap 4 folded according to FIG Figure 8 positioned press 44 positioned.
  • press 44 By swiveling the carrier 47 in the direction of arrow 51 about pivot axis 48, lower die 49 is countered the upper die 46 moves, the head flap 4 against the inner surface of the Lid front wall 6 of the blank 2 is pressed. This creates the fold the head flap 4 stabilized to the extent that it can be folded in a later stage packing machine, not shown, is retained.
  • the pressing surfaces 52 of the upper die 46 and 53 are Lower die 49 shown as flat surfaces, between which another Deformation of the blank 2 does not take place. This is the usual training of the pressing agent to stabilize the top flap.
  • Figure 10 is one Formation of the upper die 46 and the lower die 49 shown that the simultaneous pre-bending of the side areas 21 of the head flap and the cover side tabs 13 of the front cover 6 allowed. At least that points to that Lower die 49 on side pressing surfaces 54, which converge obliquely to the pressing surface 53.
  • the upper die 46 now presses the lid front wall 6 together with the head flap 4 against the pressing surfaces 53 and 54 of the lower die, that the side areas 21 and the lid side tabs 13 together on their intended bending lines are pre-bent.
  • the press 44 can on the pre-bending of the side portions 21 of the head flap in the previous Folding station described in connection with Figures 1 to 5 was waived.
  • the formation of the press according to FIG. 10 is therefore an alternative to the arrangement of a mouthpiece with side cheeks 34 in the folding station, which serves the same purpose, namely the pre-bending of the side areas the head flap.
  • both described facilities can be provided for pre-bending the side regions 21.
  • FIG. 6 shows that which has already been partially folded around a cigarette group 3 Blank 2, the lid fold is clearly visible.
  • the side regions 21 of the head flap 4 the width of the front cover 6th protrude and are supported on the lid side tabs 13 as soon as these Lid side wall can be folded.
  • the described pre-bending of the side areas 21 prevents the side areas 21 the cover wall to the outside can dent.
  • FIG. 7 shows a hinged lid pack before the last folding process, in which the cover side tabs 13 and the outside tabs 19 for Side wall of the pack to be folded over.
  • the side areas 21 of the head flap 4 can be seen, which protrude beyond the width of the pack and thereby the head flap 4 without gluing on the inside of the front wall of the lid 6 fix by supporting them laterally on the cover side tabs 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Making Paper Articles (AREA)
  • Cartons (AREA)

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Falten einer Kopflasche an einem Zuschnitt für eine Hinged-Lid-Packung für Zigaretten mit einer Faltstation, Fördermitteln zum arbeitsgerechten Positionieren aufeinanderfolgender Zuschnitte in der Faltstation und zusammenwirkende Faltorgane aufweisenden Faltmitteln zum Falten und Anlegen der Kopflasche an die Innenfläche einer entlang einer Faltlinie an die Kopflasche angrenzenden Deckelvorderwand.The invention relates to a device for folding a head flap a blank for a hinged-lid pack for cigarettes with a folding station, Funding for the job-oriented positioning of successive cuts in the folding station and cooperating folding means having folding means for Fold and place the head flap on the inside surface along a fold line front wall of the lid adjoining the head flap.

Bei den hier interessierenden Zigarettenschachteln handelt es sich um Hartbecherpackungen, die allgemein auch als Hinged-Lid-Packungen bezeichnet werden. Sie bestehen aus Zuschnitten aus einem leichten Karton. Die Zuschnitte werden um den Packungsinhalt in Form eines in einen Innenzuschnitt aus Stanniol oder einer anderen Folie eingehüllten Zigarettenblocks zu einem Schachtelteil in einem Bereich einer Rückwand des Schachtelteils angelenkten Deckel herumgefaltet. Die Hinged-Lid-Packung weist also einen Klappdeckel auf, mit dem sie nach dem Öffnen wieder verschlossen werden kann. Der untere Rand der Vorderwand des Klappdeckels ist durch eine nach innen gefaltete Kopflasche verstärkt, um Beschädigungen des Deckels durch das wiederholte Öffnen zu verhindern. Die Kopflasche kann durch Verkleben innen an der Deckelvorderwand fixiert sein. Sie kann aber auch mechanisch durch die Breite der Deckelvorderwand etwas überragende Randbereiche, die beidseits an der Kopflasche vorgesehen sind, in ihrer Lage am Deckel gehalten werden. Eine solche "überbreite" Kopflasche hält sich selbst durch Reibung oder Klemmung zwischen den gefalteten Seitenlappen der Deckelwände fest, ohne dass eine zusätzliche Beleimung erforderlich ist. Durch die DE 32 18 639 A1 ist eine solche Hinged-Lid-Packung mit einer überbreiten Kopflasche an der Deckelvorderwand bekannt. The cigarette boxes of interest here are hard cup packs, which are commonly referred to as hinged-lid packs. she consist of blanks from a light cardboard. The blanks are around the contents of the pack in the form of an inner blank made of tin foil or one another slide wrapped cigarette blocks into a box part in one area a lid hinged to a rear wall of the box part. The Hinged lid pack thus has a hinged lid with which it can be opened can be closed again. The lower edge of the front wall of the Hinged lid is reinforced by an inwardly folded head flap to prevent damage to prevent the lid from being opened again. The head flap can be fixed on the inside of the front cover by gluing. But it can mechanically somewhat outstanding due to the width of the front cover Edge areas, which are provided on both sides of the head flap, in their position on Lid are kept. Such an "extra-wide" head bottle holds itself out Friction or jamming between the folded side tabs of the top panels firmly without the need for additional gluing. Through DE 32 18 639 A1 is such a hinged lid pack with an extra-wide head flap on the Front wall of the lid known.

In der US-PS 4 154 438 ist eine Einrichtung zum Fördern von Zuschnitten für Hinged-Lid-Packungen zu einer Packmaschine beschrieben. Dieser Fördereinrichtung ist eine nicht weiter dargestellte Faltstation zum Umfalten einer am Zuschnitt vorgesehenen, allerdings offenbar nicht überbreiten Kopflasche zugeordnet,In US-PS 4 154 438 is a device for conveying blanks for Hinged-lid packs described for a packaging machine. This conveyor is a not shown folding station for folding one on the blank provided, but apparently not too wide head flap assigned,

Darüber hinaus ist durch die US-A-4 188 024 eine Vorrichtung gemäß der eingangs bezeichneten Gattung bekannt geworden, bei der eines der zusammenwirkenden Faltorgane als Niederhalter für die Deckelvorderwand dient, während das andere als Schiebe-Faltfinger ausgebildete Faltorgan beim Umfalten der Kopflasche eine Koppelkurve beschreibt.In addition, US-A-4 188 024 discloses a device according to the opening paragraph designated genre known, in which one of the interacting Folding organs serve as hold-downs for the lid front wall while the other a folding organ designed as a sliding folding finger when the head flap is folded over Coupling curve describes.

Der Erfindung liegt die Aufgabe zugrunde, eine weitere Vorrichtung der eingangs beschriebenen Art anzugeben.The invention has for its object a further device of the beginning Specify the type described.

Bei einer Vorrichtung der eingangs angegebenen Art wird die der Erfindung zugrundeliegende Aufgabe dadurch gelöst, dass die Faltmittel zwei gleichsinnig rotierend zusammenwirkende, aufeinanderfolgend die Kopflasche um die Faltkante einer stationären Faltleiste herumfaltende und zur Innenfläche der Deckelvorderwand drückende Faltorgane aufweisen, wobei das die Kopflasche zuerst abwärts faltende, mit seiner Drehachse parallel zur Faltkante der Faltleiste verlaufende Faltorgan aus zwei gleichen, auf einer angetriebenen Welle angeordneten Drehkörpern besteht, von denen jeder mit einer mit der Faltleiste zusammenwirkenden, die Kopflasche beaufschlagenden Nase versehen ist, und dass das darauf folgend die Kopflasche aufwärts faltende Faltorgan zwischen den Drehkörpern des ersten Faltorgan um eine zweite Welle umlaufend angeordnet ist.In the case of a device of the type specified at the outset, that of the invention underlying task solved in that the folding means two in the same direction rotating, interacting, the head flap successively around the folded edge a stationary folding strip that folds around and towards the inner surface of the front cover have oppressive folding organs, the head flap down first folding folding element running with its axis of rotation parallel to the folding edge of the folding strip from two identical rotating bodies arranged on a driven shaft exists, each of which interacts with the folding bar, the Head flap acting on the nose, and that the following Head flap upward folding organ between the rotating bodies of the first Folding member is arranged around a second shaft.

Die mit der Erfindung erzielten Vorteile liegen in einem einfachen Aufbau ohne Kurven, Gelenke und Koppeln sowie in einem kontinuierlichen Antrieb. The advantages achieved with the invention lie in a simple structure without curves, Joints and couplings as well as in a continuous drive.

Die Erfindung wird nun anhand der Zeichnung näher erläutert.The invention will now be explained in more detail with reference to the drawing.

Es zeigen in schematischer Darstellung

Figur 1
eine Draufsicht auf eine Vorrichtung nach der Erfindung mit einem Zuschnitt in einer Faltstation,
Figur 2
eine Seitenansicht derselben Vorrichtung, gesehen in Richtung des Pfeils II der Figur 1,
Figur 3
eine Ansicht, gesehen in Richtung des Pfeiles III in Figur 1,
Figur 4
eine Seitenansicht entsprechend der Figur 2 mit Faltmitteln in einer ersten Arbeitsposition,
Figur 5
eine Seitenansicht entsprechend der Figur 2 mit Faltmitteln in einer zweiten Arbeitsposition,
Figur 6
einen teilweise gefalteten Zuschnitt in einer perspektivischen Darstellung,
Figur 7
eine Hinged-Lid-Packung vor der Faltung der letzten Seitenlappen des Zuschnitts in perspektivischer Darstellung,
Figur 8
eine Seitenansicht eines Preßmittels in einer ersten Arbeitsposition,
Figur 9
eine Seitenansicht eines Preßmittels in einer zweiten Arbeitsposition und
Figur 10
die Einwirkung des Preßmittels der Figuren 8 und 9 auf die Randbereiche einer Kopflasche in der Arbeitsposition der Figur 9.
They show a schematic representation
Figure 1
2 shows a plan view of a device according to the invention with a blank in a folding station,
Figure 2
2 shows a side view of the same device, seen in the direction of arrow II in FIG. 1,
Figure 3
2 shows a view seen in the direction of arrow III in FIG. 1,
Figure 4
3 shows a side view corresponding to FIG. 2 with folding means in a first working position,
Figure 5
3 shows a side view corresponding to FIG. 2 with folding means in a second working position,
Figure 6
a partially folded blank in a perspective view,
Figure 7
a hinged lid pack before folding the last side tabs of the blank in perspective,
Figure 8
a side view of a pressing means in a first working position,
Figure 9
a side view of a pressing means in a second working position and
Figure 10
the action of the pressing means of FIGS. 8 and 9 on the edge areas of a head flap in the working position of FIG. 9.

Die Figuren 1 bis 3 zeigen in schematischer Darstellung verschiedene Ansichten einer Vorrichtung 1 nach der Erfindung zum Falten einer Kopflasche an einem Zuschnitt 2 einer Hinged-Lid-Packung für Zigaretten. Die Ausbildung des Zuschnitts 2 ist am besten in der Draufsicht der Figur 1 zu erkennen. Ein solcher auch als Blankett bezeichneter Schachtelzuschnitt 2 dient in Form einer Klappdeckelpackung oder Hinged-Lid-Packung zur äußeren Umhüllung einer mit einer inneren Einschlagfolie versehenen blockförmigen Zigarettengruppe 3, wie das in den Figuren 6 und 7 zu erkennen ist, auf die später Bezug genommen wird.Figures 1 to 3 show different views in a schematic representation a device 1 according to the invention for folding a head flap on a Blank 2 of a hinged lid pack for cigarettes. The training of the blank 2 can best be seen in the top view of FIG. 1. Such a Box blank 2, also referred to as a blank, serves in the form of a hinged lid pack or hinged lid pack for the outer wrapping of one with inner wrapping film provided block-shaped cigarette group 3, such as that in 6 and 7, to which reference will be made later.

Der Schachtelzuschnitt 2 setzt sich in seinem mittleren Bereich aus einer Kopflasche 4, die auch als Deckelinnenlappen bezeichnet wird, einer Deckelvorderwand 6, einer Deckeloberwand 7, einer Deckelrückwand 8, einer Rückwand 9, einer Bodenwand 11 und einer Vorderwand 12 sowie beidseits der genannten Schachtelteile aus äußeren Deckelseitenlappen 13, inneren Deckeloberwandlappen 14, inneren Deckelseitenlappen 16, Innenseitenlappen 17, inneren Bodenwandlappen 18 und Außenseitenlappen 19 zusammen. Die einzelnen Zuschnittwandungen und Zuschnittlappen sind untereinander durch strichliniert dargestellte, vorgeprägte Faltlinien verbunden und mit als Vollinien dargestellten, ausgestanzten Trennungsschnitten versehen.The box blank 2 is composed of a in its central area Head flap 4, which is also referred to as inner lid flap, of a front wall of the lid 6, a top lid wall 7, a lid rear wall 8, a rear wall 9, a bottom wall 11 and a front wall 12 and on both sides of the above Box parts from outer lid side tabs 13, inner lid top tabs 14, inner lid side tab 16, inner side tab 17, inner bottom wall tab 18 and outside tabs 19 together. The individual blank walls and blanking flaps are dashed with each other shown, pre-embossed fold lines connected and shown with solid lines, stamped separation cuts.

Wie die Figur 1 erkennen läßt, ist die Kopf- oder Deckelinnenlasche 4 breiter als die Deckelvorderwand 6. Die halbrund geformten Seitenbereiche 21 der Kopflasche 4 ragen nach beiden Seiten über die Breite der Deckelvorderwand 6 hinaus. Diese "überbreite" Kopflasche 4 wird an einer Knicklinie 22 zur Innenseite der Deckelvorderwand 6 hin gefaltet und so an die Deckelvorderwand angelegt. Dabei ragen die Seitenbereiche 21 ein Stück in den Bereich der Deckelseitenlappen 13 hinein, wodurch die Kopflasche 4 nach dem Hochklappen der Deckelseitenlappen 13 mechanisch in ihrer umgeklappten Position gehalten wird, die aus der Figur 6 ersichtlich und auch in Figur 7 erkennbar ist. Die Seitenbereiche 21 der Kopflasche 4 liegen nach dem Aufstellen der Deckelseitenlappen 13 an diesen an und halten die Kopflasche 4 auf diese Weise mechanisch in ihrer umgefalteten Position fest. Dabei können sie aber den entstehenden Deckel nach außen hin aufwölben. Das ist unerwünscht und wird mit der vorliegenden Erfindung vermieden, indem die Seitenbereiche 21 der Kopflasche 4 während des Faltvorgangs an Knicklinien 23 vorgebogen werden. Die stabile Fixierung der Kopflasche 4 an der Innenseite der Deckelvorderwand 6 bleibt dabei erhalten, ein Abdruck der Seitenbereiche 21 der Kopflasche durch die seitliche Deckelwandung hindurch wird jedoch vermieden. Um das Vorbiegen der Seitenbereiche 21 der Kopflasche 4 zu erleichtern und an definierter Stelle zu ermöglichen, können die Knicklinien 23 vorgeschwächt, z.B. vorgerillt sein.As can be seen in FIG. 1, the head or lid inner flap 4 is wider than the lid front wall 6. The semicircular shaped side areas 21 of the head flap 4 protrude on both sides beyond the width of the front cover 6. This "extra-wide" head flap 4 becomes the inside at a crease line 22 the lid front wall 6 folded out and so placed on the lid front wall. The side areas 21 protrude a little into the area of the cover side tabs 13 into it, whereby the head flap 4 flaps up after the lid side flaps 13 is held mechanically in its folded position can be seen from FIG. 6 and can also be seen in FIG. The side areas 21 of the head flap 4 rest after the lid side tabs 13 have been set up this and keep the head flap 4 mechanically folded over in this way Position. You can, however, read the resulting cover bulge outwards. This is undesirable and is achieved with the present invention avoided by the side areas 21 of the head flap 4 during the Folding process to be bent at fold lines 23. The stable fixation of the Head flap 4 on the inside of the front cover 6 remains in place an impression of the side areas 21 of the head flap through the side cover wall however this is avoided. To pre-bend the side areas 21 to facilitate the head flap 4 and to enable it at a defined point, the kink lines 23 can be weakened, e.g. be grooved.

Die Figuren 1 bis 3 zeigen eine Vorrichtung zum Falten der Kopflasche 4 und zum Vorbiegen der Seitenbereiche 21 in drei verschiedenen Ansichten.Figures 1 to 3 show a device for folding the head flap 4 and for bending the side areas 21 in three different views.

Ein Schachtelzuschnitt 2 wird mittels eines Förderers, der im dargestellten Ausführungsbeispiel zwei Zahnriemen 24 aufweist, in Pfeilrichtung quer zu seiner Längsausrichtung in eine Faltstation 27 gefördert. Die Förderer 24 sind mit Anschlägen 28 zur genauen Positionierung der Zuschnitte 2 versehen. Parallel zu den Förderern 24 verlaufen Stützschienen 29 zum Abstützen des Zuschnittes während des Transportes. Der Förderer 24 ist schrittweise angetrieben und positioniert die Zuschnitte 2 nacheinander bearbeitungsgerecht in der Faltstation 27. Eine Transporteinrichtung dieser Art ist beispielsweise in der US-PS 4 154 438 dargestellt und im einzelnen beschrieben.A box blank 2 is by means of a conveyor, which in the illustrated embodiment has two toothed belts 24, in the direction of the arrow transverse to it Longitudinal orientation promoted in a folding station 27. The conveyors 24 are with stops 28 provided for the exact positioning of the blanks 2. Parallel to The conveyors 24 have support rails 29 for supporting the blank during transportation. The conveyor 24 is driven in steps and positions the blanks 2 one after the other in the folding station for processing 27. A transport device of this type is described, for example, in US Pat. No. 4,154 438 and described in detail.

Der Faltstation 27 sind Faltmittel 31 in Gestalt einer stationären Faltleiste 32, eines schwenkbaren oder rotierenden Faltorgans 33 und eines stationären Mundstücks mit Seitenwangen 34 zugeordnet. Das Faltorgan 33 besteht aus zwei gleichen Drehkörpern auf einer in Pfeilrichtung 36 (Figur 2) angetriebenen Welle 37. Der Antrieb der Welle ist in Figur 1 schematisch dargestellt und mit 38 bezeichnet. Jeder Drehkörper des Faltorgans 33 weist eine Nase 39 auf, die zum Falten der Kopflasche 4 mit der Faltleiste 32 und den Seitenwangen 34 des Mundstücks zusammenwirkt. Die Drehachse des Faltorgans 33 verläuft parallel zur Faltkante der Faltleiste 32.The folding station 27 are folding means 31 in the form of a stationary folding strip 32, a pivotable or rotating folding member 33 and a stationary Mouthpiece with side cheeks 34 assigned. The folding member 33 consists of two identical rotating bodies on one driven in the direction of arrow 36 (FIG. 2) Shaft 37. The drive of the shaft is shown schematically in FIG. 1 and at 38 designated. Each rotating body of the folding member 33 has a nose 39 which for folding the head flap 4 with the folding strip 32 and the side cheeks 34 of the Interacts with the mouthpiece. The axis of rotation of the folding member 33 runs parallel to the folding edge of the folding strip 32.

Der Ablauf des Faltvorganges ist den Figuren 2 bis 5 zu entnehmen. Die Nasen 39 des gemäß Figur 2 in Pfeilrichtung 36 rotierenden Faltorgans 33 erfassen die Kopflasche 4 und falten sie um die Faltkante der Faltleiste 32 herum, wobei sie sie gemäß Figur 3 zwischen den stationären Seitenwangen 34 des Mundstücks hindurchbewegen. Dabei werden die Seitenbereiche 21 der Kopflasche 4 an den Knicklinien 23 umgebogen. Mit dem ersten rotierenden Faltorgan 33 wirkt ein zweites rotierendes Faltorgan 41 zusammen, das zwischen den Drehkörpern 33 des ersten Faltorganes um eine zweite Welle 42 umläuft. Das zweite Faltorgan ergreift die vom ersten nach unten gefaltete Kopflasche 4 (vgl. Figur 4) und drückt sie weiter zur Innenfläche der Deckelvorderwand 6 (vgl. Figur 5).The sequence of the folding process can be seen in FIGS. 2 to 5. The noses 39 of the folding member 33 rotating in the direction of arrow 36 according to FIG Head flap 4 and fold it around the fold edge of the fold bar 32, making it 3 between the stationary side cheeks 34 of the mouthpiece move through. The side areas 21 of the head flap 4 are attached to the Kink lines 23 bent. The first rotating folding member 33 acts second rotating folding member 41 together, which between the rotating bodies 33rd of the first folding member rotates around a second shaft 42. The second folding organ takes hold of the top flap 4 folded down from the first (see FIG. 4) and presses it further to the inner surface of the front cover 6 (see FIG. 5).

Mit der soweit gefalteten Kopflasche 4 wird der Zuschnitt nun im nächsten Arbeitstakt aus der Faltstation zur weiteren Bearbeitung herausgefördert.With the head flap 4 folded so far, the blank is now in the next working cycle conveyed out of the folding station for further processing.

Nach dem beschriebenen Umfalten der Kopflasche 4 in der Faltstation 27 wird der Zuschnitt 2 in einer Preßstation 43 bearbeitungsgerecht positioniert.After folding the head flap 4 as described in the folding station 27 the blank 2 is positioned in a press station 43 for processing.

Die Preßstation 43 weist eine Presse 44 mit einem stationären Obergesenk 46 und einem an einem Träger 47 um eine Achse 48 schwenkbaren Untergesenk 49 auf. The pressing station 43 has a press 44 with a stationary upper die 46 and a lower die pivotable on a support 47 about an axis 48 49 on.

Der Zuschnitt 2 mit der gemäß Figur 5 gefalteten Kopflasche 4 wird in der gemäß Figur 8 geöffneten Presse 44 positioniert. Durch Schwenken des Trägers 47 in Pfeilrichtung 51 um die Schwenkachse 48 wird das Untergesenk 49 gegen das Obergesenk 46 bewegt, wobei die Kopflasche 4 gegen die Innenfläche der Deckelvorderwand 6 des Zuschnitts 2 gepreßt wird. Dadurch wird die Faltung der Kopflasche 4 soweit stabilisiert, daß sie bis zur späteren Deckelfaltung in einer nicht dargestellten Packmaschine erhalten bleibt.The blank 2 with the head flap 4 folded according to FIG Figure 8 positioned press 44 positioned. By swiveling the carrier 47 in the direction of arrow 51 about pivot axis 48, lower die 49 is countered the upper die 46 moves, the head flap 4 against the inner surface of the Lid front wall 6 of the blank 2 is pressed. This creates the fold the head flap 4 stabilized to the extent that it can be folded in a later stage packing machine, not shown, is retained.

In den Figuren 8 und 9 sind die Preßflächen 52 des Obergesenks 46 und 53 des Untergesenks 49 als ebene Flächen dargestellt, zwischen denen eine weitere Verformung des Zuschnitts 2 nicht stattfindet. Dies ist die übliche Ausbildung des Preßmittels zum Stabilisieren der Kopflaschenfaltung. In Figur 10 ist eine Ausbildung des Obergesenks 46 und des Untergesenks 49 dargestellt, die das gleichzeitige Vorbiegen der Seitenbereiche 21 der Kopflasche und der Deckelseitenlappen 13 der Deckelvorderwand 6 gestattet. Dazu weist zumindest das Untergesenk 49 Seitenpreßflächen 54 auf, die schräg zur Preßfläche 53 konvergieren. Das Obergesenk 46 drückt nun die Deckelvorderwand 6 zusammen mit der Kopflasche 4 so gegen die Preßflächen 53 und 54 des Untergesenks, daß die Seitenbereiche 21 und die Deckelseitenlappen 13 gemeinsam an ihren vorgesehenen Knicklinien vorgebogen werden. Bei dieser Ausbildung der Presse 44 kann auf das Vorbiegen der Seitenbereiche 21 der Kopflasche in der vorangehenden Faltstation, die im Zusammenhang mit den Figuren 1 bis 5 beschrieben wurde, verzichtet werden. Die Ausbildung der Presse gemäß Figur 10 ist also eine Alternative zur Anordnung eines Mundstücks mit Seitenwangen 34 in der Faltstation, die denselben Zweck erfüllt, nämlich das Vorbiegen der Seitenbereiche der Kopflasche. Allerdings können auch beide beschriebenen Einrichtungen zum Vorbiegen der Seitenbereiche 21 vorgesehen sein. In Figures 8 and 9, the pressing surfaces 52 of the upper die 46 and 53 are Lower die 49 shown as flat surfaces, between which another Deformation of the blank 2 does not take place. This is the usual training of the pressing agent to stabilize the top flap. In Figure 10 is one Formation of the upper die 46 and the lower die 49 shown that the simultaneous pre-bending of the side areas 21 of the head flap and the cover side tabs 13 of the front cover 6 allowed. At least that points to that Lower die 49 on side pressing surfaces 54, which converge obliquely to the pressing surface 53. The upper die 46 now presses the lid front wall 6 together with the head flap 4 against the pressing surfaces 53 and 54 of the lower die, that the side areas 21 and the lid side tabs 13 together on their intended bending lines are pre-bent. With this training the press 44 can on the pre-bending of the side portions 21 of the head flap in the previous Folding station described in connection with Figures 1 to 5 was waived. The formation of the press according to FIG. 10 is therefore an alternative to the arrangement of a mouthpiece with side cheeks 34 in the folding station, which serves the same purpose, namely the pre-bending of the side areas the head flap. However, both described facilities can be provided for pre-bending the side regions 21.

Nach der beschriebenen Faltung und Pressung der Kopflasche am Zuschnitt 2 wird dieser an eine nicht dargestellte Packmaschine übergeben, in welcher der Zuschnitt um eine bereits mit einem inneren Einschlag versehene Zigarettengruppe 3 herumgefaltet wird (vgl. Figuren 6 und 7).After the described folding and pressing of the head flap on the blank 2 this is transferred to a packaging machine, not shown, in which the Cut around a group of cigarettes that already has an inner wrap 3 is folded over (see FIGS. 6 and 7).

Figur 6 zeigt den bereits teilweise um eine Zigarettengruppe 3 herumgefalteten Zuschnitt 2, dessen Deckelfaltung deutlich zu erkennen ist. Hier ist zu sehen, daß die Seitenbereiche 21 der Kopflasche 4 die Breite der Deckelvorderwand 6 überragen und sich an den Deckelseitenlappen 13 abstützen, sobald diese zur Deckelseitenwand gefaltet werden. Das beschriebene Vorbiegen der Seitenbereiche 21 verhindert, daß die Seitenbereiche 21 die Deckelwand nach außen ausbeulen können. Figur 7 zeigt eine Hinged-Lid-Packung vor dem letzten Faltvorgang, bei dem die Deckelseitenlappen 13 und die Außenseitenlappen 19 zur Seitenwand der Packung umgefaltet werden. Auch hier sind die Seitenbereiche 21 der Kopflasche 4 zu sehen, die die Breite der Packung überragen und dadurch die Kopflasche 4 ohne Beleimung an der Innenseite der Deckelvorderwand 6 fixieren, indem sie sie seitlich an den Deckelseitenlappen 13 abstützen.FIG. 6 shows that which has already been partially folded around a cigarette group 3 Blank 2, the lid fold is clearly visible. Here you can see that the side regions 21 of the head flap 4 the width of the front cover 6th protrude and are supported on the lid side tabs 13 as soon as these Lid side wall can be folded. The described pre-bending of the side areas 21 prevents the side areas 21 the cover wall to the outside can dent. FIG. 7 shows a hinged lid pack before the last folding process, in which the cover side tabs 13 and the outside tabs 19 for Side wall of the pack to be folded over. Here too are the side areas 21 of the head flap 4 can be seen, which protrude beyond the width of the pack and thereby the head flap 4 without gluing on the inside of the front wall of the lid 6 fix by supporting them laterally on the cover side tabs 13.

Claims (1)

  1. A device for folding a head tab (4) on a blank (2) for a hinged-lid packet for cigarettes, comprising a folding station (27), conveying means (24) for the operationally correct positioning of consecutive blanks in the folding station, and folding means (31) having cooperating folding members (33, 41) for folding and placing the head tab against the inner surface of a lid front wall (6) adjoining the head tab along a folding line (22), characterised in that the folding means (31) have two co-operating folding members (33, 41) rotating in the same direction and successively folding the head tab (4) about the folding edge of a fixed folding strip (32) and pressing it towards the inner surface of the lid front wall (6), wherein the folding member (33), first folding the head tab downwards and having a rotation axis extending parallel to the folding edge of the folding strip, comprises two like rotary bodies arranged on a driven shaft (37), each of the rotary bodies being provided with a projection (39) co-operating with the folding strip and acting upon the head tab, and in that the folding member (41), subsequently folding the head tab upwards, is arranged between the rotary bodies of the first folding member (33) so as to rotate about a second shaft (42).
EP99117191A 1997-05-16 1998-05-02 Apparatus for folding the end flap of a blank for a cigarette box Expired - Lifetime EP0963908B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19720500 1997-05-16
DE19720500A DE19720500A1 (en) 1997-05-16 1997-05-16 Method and device for folding the top flap of a blank for a cigarette packet
EP98108020A EP0878398B1 (en) 1997-05-16 1998-05-02 Method and apparatus for folding the end flap of a blank for a cigarette box

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP98108020A Division EP0878398B1 (en) 1997-05-16 1998-05-02 Method and apparatus for folding the end flap of a blank for a cigarette box

Publications (2)

Publication Number Publication Date
EP0963908A1 EP0963908A1 (en) 1999-12-15
EP0963908B1 true EP0963908B1 (en) 2001-12-05

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EP98108020A Expired - Lifetime EP0878398B1 (en) 1997-05-16 1998-05-02 Method and apparatus for folding the end flap of a blank for a cigarette box
EP99117191A Expired - Lifetime EP0963908B1 (en) 1997-05-16 1998-05-02 Apparatus for folding the end flap of a blank for a cigarette box

Family Applications Before (1)

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EP98108020A Expired - Lifetime EP0878398B1 (en) 1997-05-16 1998-05-02 Method and apparatus for folding the end flap of a blank for a cigarette box

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US (2) US6113525A (en)
EP (2) EP0878398B1 (en)
JP (1) JPH1111416A (en)
CN (2) CN1093069C (en)
DE (3) DE19720500A1 (en)
ES (2) ES2167979T3 (en)
HK (1) HK1016552A1 (en)

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Also Published As

Publication number Publication date
EP0878398B1 (en) 2000-12-13
US6322486B1 (en) 2001-11-27
ES2167979T3 (en) 2002-05-16
JPH1111416A (en) 1999-01-19
CN1093069C (en) 2002-10-23
CN1199699A (en) 1998-11-25
DE59802331D1 (en) 2002-01-17
DE19720500A1 (en) 1998-11-19
DE59800381D1 (en) 2001-01-18
HK1016552A1 (en) 1999-11-05
EP0963908A1 (en) 1999-12-15
ES2153695T3 (en) 2001-03-01
EP0878398A1 (en) 1998-11-18
US6113525A (en) 2000-09-05
CN1282699A (en) 2001-02-07
CN1110430C (en) 2003-06-04

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