EP0878398B1 - Method and apparatus for folding the end flap of a blank for a cigarette box - Google Patents

Method and apparatus for folding the end flap of a blank for a cigarette box Download PDF

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Publication number
EP0878398B1
EP0878398B1 EP98108020A EP98108020A EP0878398B1 EP 0878398 B1 EP0878398 B1 EP 0878398B1 EP 98108020 A EP98108020 A EP 98108020A EP 98108020 A EP98108020 A EP 98108020A EP 0878398 B1 EP0878398 B1 EP 0878398B1
Authority
EP
European Patent Office
Prior art keywords
folding
top flap
lid
anterior wall
width
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
EP98108020A
Other languages
German (de)
French (fr)
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EP0878398A1 (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
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Filing date
Publication date
Application filed by Topack Verpackungstechnik GmbH filed Critical Topack Verpackungstechnik GmbH
Priority to EP99117191A priority Critical patent/EP0963908B1/en
Publication of EP0878398A1 publication Critical patent/EP0878398A1/en
Application granted granted Critical
Publication of EP0878398B1 publication Critical patent/EP0878398B1/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 invention relates to a method and an apparatus for folding a spread head flap on a blank for a hinged-lid pack for cigarettes according to the preambles of claims 1 and 8, respectively.
  • 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 foil wrapped cigarette blocks into a box part and one in Folded area of a rear wall of the hinged lid part.
  • the Hinged lid pack has a hinged lid with which it can be opened Opening 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.
  • No. 4,188,024 describes a device for conveying blanks for hinged-lid packs described for a packing machine.
  • This conveyor is a folding station for folding one on the blank provided, but apparently not too wide head flap assigned.
  • This device corresponds to the preamble of claim 8.
  • the invention has for its object a further method and another Specify device of the type described above.
  • this object is achieved according to the invention solved in that projecting beyond the width of the hinged lid front wall Side areas of the head flap are pre-bent at predetermined fold lines become. This pre-bending of the side areas causes them to the side walls no longer deflect the packing lid, nevertheless the folded and on support the inside of the top flap of the front cover give the side walls of the lid enough hold to be able to glue them without gluing to hold in their desired position. With the surprisingly simple Measure of pre-bending the outer side areas of the oversized head flap will be a significant improvement in the quality of the hinged lid packs achieved.
  • the basis on which the invention is based Object achieved in that means for pre-bending over the Width of the hinged lid front wall protruding side areas of the head flap are provided at predetermined buckling lines.
  • Claim 5 contains Features of a preferred embodiment of the method according to the invention. Claims 6 and 7 relate to a variant of the method, claim 6 ensures that even an unglued head flap is safe after folding is fixed to the ceiling in front of the wall.
  • the invention offers the advantage that the head flap with its side areas is held securely on the side walls in the lid of a hinged lid pack, without the lid being deformed by the pressure of the head flap. That improves the appearance of the box as well as its handling in the box Machinery.
  • the procedural and mechanical effort for the implementation of the invention is low.
  • 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 a hinged lid pack for cigarettes.
  • the formation of the blank 2 can best be seen in the top view of FIG. 1.
  • a blank designated box blank 2 serves in the form of a hinged lid pack or hinged-lid pack for the outer wrapping with an inner wrapping film provided block-shaped cigarette group 3, such as that in FIGS and 7, which will be referred to later.
  • the box blank 2 is composed of a head flap in its central area 4, which is also referred to as a lid inner tab, a lid front wall 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 box parts mentioned from outer lid side tabs 13, inner lid top tabs 14, inner Lid side tabs 16, inside tabs 17, inner bottom panel tabs 18 and outside tabs 19 together.
  • the individual blank walls and Cutting flaps are pre-embossed with one another by dashed lines Folded lines connected and with punched separation cuts shown as solid lines Mistake.
  • the inner head or lid tab 4 is wider than that 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 of the front wall of the lid at a fold line 22 6 folded towards the front of the lid.
  • the protrude Side areas 21 a piece into the area of the lid side tabs 13, whereby the head flap 4 mechanically after the lid side flaps 13 have been folded up is held in its folded position, which can be seen from Figure 6 and can also be seen in FIG. 7.
  • the side areas 21 of the head flap 4 are located after setting up the cover side tabs 13 on this and hold the Head flap 4 mechanically fixed in its folded position in this way.
  • the side areas 21 of the head flap 4 pre-bent at folding lines 23 during the folding process become.
  • the stable fixation of the head flap 4 on the inside of the Lid front wall 6 is retained, an impression of the side areas 21 of the Head flap through the side cover wall is avoided.
  • 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 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 its longitudinal orientation conveyed into a folding station 27.
  • the conveyors 24 are with stops 28 provided for the exact positioning of the blanks 2.
  • Parallel to the sponsors 24 run support rails 29 for supporting the blank during the Transport.
  • the conveyor 24 is driven step by step and positions the blanks 2 successively suitable for processing in the folding station 27.
  • a transport device this type is shown, for example, in US Pat. No. 4,188,024 described in detail.
  • the folding station 27 are folding means 31 in the form of a stationary folding strip 32, one pivotable or rotating folding member 33 and a stationary mouthpiece associated with side cheeks 34.
  • the folding member 33 consists of two of the same Rotary bodies on a shaft 37 driven in the direction of arrow 36 (FIG. 2). The drive the shaft is shown schematically in Figure 1 and designated 38.
  • Everyone Rotary body of the folding member 33 has a nose 39, which is used to fold the head flap 4 cooperates with the folding strip 32 and the side cheeks 34 of 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, taking it 3 between the stationary side cheeks 34 of the mouthpiece.
  • 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 the head 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).
  • Blank 2 positioned in a press station 43 for processing.
  • the press station 43 has a press 44 with a stationary upper die 46 and a lower die 49 pivotable on a support 47 about an axis 48.
  • the blank 2 with the head flap 4 folded according to FIG Figure 8 positioned press 44 positioned.
  • the carrier 47 By pivoting the carrier 47 in Arrow direction 51 about the pivot axis 48, the lower die 49 against the Upper die 46 moves, the head flap 4 against the inner surface of the front cover wall 6 of the blank 2 is pressed. This will make the head flap fold 4 stabilized to such an extent that it does not fold into one until later folding shown packing machine is retained.
  • the pressing surfaces 52 of the upper die 46 and 53 are Lower die 49 shown as flat surfaces, between which a further deformation of cut 2 does not take place. This is the usual training of the Pressing agent to stabilize the top flap.
  • Figure 10 is an education the upper die 46 and the lower die 49 are shown, the simultaneous Bending the side areas 21 of the head flap and the cover side tabs 13 of the front cover 6 allowed.
  • at least the lower die 49 points 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 21st and the cover side tabs 13 are pre-bent together at their intended fold lines become.
  • FIG. 6 shows the blank that has already been partially folded around a cigarette group 3 2, whose lid fold is clearly visible. It can be seen here that the Side areas 21 of the head flap 4 project beyond the width of the front cover 6 and are supported on the cover side tabs 13 as soon as they reach the cover side wall be folded. The described pre-bending of the side areas 21 prevents that the side areas 21 can bulge the top wall outwards.
  • Figure 7 shows a hinged lid pack before the last folding process, in which the Cover side tabs 13 and the outside tabs 19 to the side wall of the pack be folded over. The side regions 21 of the head flap 4 can also be seen here, which protrude beyond the width of the pack and thereby the head flap 4 without Fix the glue on the inside of the front cover 6 by holding it to the side Support on the cover side tabs 13.

Description

Die Erfindung bezieht sich auf ein Verfahren und eine Vorrichtung zum Falten einer überbreiten Kopflasche an einem Zuschnitt für eine Hinged-Lid-Packung für Zigaretten gemäß den Oberbegriffen der Ansprüche 1 bzw. 8.The invention relates to a method and an apparatus for folding a spread head flap on a blank for a hinged-lid pack for cigarettes according to the preambles of claims 1 and 8, respectively.

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 einem Innenzuschnitt aus Stanniol oder einer anderen Folie eingehüllten Zigarettenblocks zu einem Schachtelteil und einem im 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 sowie ein Verfahren nach dem Oberbegriff des Anspruchs 1 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 foil wrapped cigarette blocks into a box part and one in Folded area of a rear wall of the hinged lid part. The Hinged lid pack has a hinged lid with which it can be opened Opening 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 The head flap can be fixed on the inside of the front cover by gluing. But it can also do something mechanically due to the width of the front wall of the lid outstanding edge areas, which are provided on both sides of the head flap, in their position on the lid. Such an oversized "head flap holds themselves through friction or jamming between the folded side tabs the lid walls firmly, without the need for additional gluing. By DE 32 18 639 A1 is such a hinged lid pack with an oversize Head flap on the lid front wall and a method according to the preamble of claim 1 known.

In der US-PS 4 188 024 ist eine Einrichtung zum Fördern von Zuschnitten für Hinged-Lid-Packungen zu einer Packmaschine beschrieben. Dieser Fördereinrichtung ist eine Faltstation zum Umfalten einer am Zuschnitt vorgesehenen, allerdings offenbar nicht überbreiten Kopflasche zugeordnet. Diese Vorrichtung entspricht dem Oberbegriff des Anspruchs 8.No. 4,188,024 describes a device for conveying blanks for hinged-lid packs described for a packing machine. This conveyor is a folding station for folding one on the blank provided, but apparently not too wide head flap assigned. This device corresponds to the preamble of claim 8.

Als Nachteil der überbreiten Kopflasche hat sich herausgestellt, daß sich ihre die Breite der Deckelvorderwand überragenden Seitenbereiche in die Seitenwände des Deckels eindrücken und diesen nach außen sichtbar verformen können. Das bedeutet eine Qualitätsminderung der Packung.As a disadvantage of the oversized head flap, it has been found that the Width of the lid front wall protruding side areas in the side walls of the Press in the lid and be able to visibly deform it. The means a reduction in the quality of the pack.

Der Erfindung liegt die Aufgabe zugrunde, ein weiteres Verfahren und eine weitere Vorrichtung der eingangs beschriebenen Art anzugeben.The invention has for its object a further method and another Specify device of the type described above.

Bei einem Verfahren der eingangs angegebenen Art wird diese Aufgabe erfindungsgemäß dadurch gelöst, daß über die Breite der Klappdeckelvorderwand hinausragende Seitenbereiche der Kopflasche an vorgegebenen Knicklinien vorgebogen werden. Dieses Vorbiegen der Seitenbereiche bewirkt, daß sie die Seitenwände des Packungsdeckels nicht mehr auslenken, trotzdem der gefalteten und an die Innenseite der Deckelvorderwand angelegten Kopflasche durch Abstützung an den Seitenwänden des Deckels genügend Halt geben, um sie auch ohne Beleimung in ihrer gewünschten Position festzuhalten. Mit der überraschend einfachen Maßnahme des Vorbiegens der äußeren Seitenbereiche der überbreiten Kopflasche wird also eine deutliche Verbesserung der Qualität der hergestellten Hinged-Lid-Packungen erzielt.In a method of the type specified at the outset, this object is achieved according to the invention solved in that projecting beyond the width of the hinged lid front wall Side areas of the head flap are pre-bent at predetermined fold lines become. This pre-bending of the side areas causes them to the side walls no longer deflect the packing lid, nevertheless the folded and on support the inside of the top flap of the front cover give the side walls of the lid enough hold to be able to glue them without gluing to hold in their desired position. With the surprisingly simple Measure of pre-bending the outer side areas of the oversized head flap will be a significant improvement in the quality of the hinged lid packs achieved.

Bei einer Vorrichtung der eingangs angegebenen Art wird die der Erfindung zugrundeliegende Aufgabe dadurch gelöst, daß Mittel zum Vorbiegen von über die Breite der Klappdeckelvorderwand hinausragenden Seitenbereichen der Kopflasche an vorgegebenen Knicklinien vorgesehen sind.In the case of a device of the type specified at the outset, the basis on which the invention is based Object achieved in that means for pre-bending over the Width of the hinged lid front wall protruding side areas of the head flap are provided at predetermined buckling lines.

Die Erfindung fortbildende und ausgestaltende Merkmale und Maßnahmen sind in den Unteransprüchen angegeben. Features and measures which further develop and develop the invention are in specified in the subclaims.

Werden die Knicklinien gemäß Anspruch 2 definiert vorgeschwächt, so wird das Umbiegen der Seitenbereiche der Kopflasche erleichtert. Werden gemäß Anspruch 3 beim Falten der Kopflasche gleichzeitig deren Seitenbereiche vorgebogen, wird ein Arbeitsgang eingespart. Die Maßnahme des Anspruchs 4 stellt eine einfache Art des Vorbiegens der Seitenbereiche der Kopflasche dar. Anspruch 5 enthält Merkmale eines bevorzugten Ausführungsbeispieles des Verfahrens nach der Erfindung. Die Ansprüche 6 und 7 betreffen eine Variante des Verfahrens, wobei Anspruch 6 sicherstellt, daß auch eine unbeleimte Kopflasche nach dem Falten sicher an der Decke vor der Wand fixiert ist.If the fold lines are weakened in a defined manner according to claim 2, then this becomes Bending the side areas of the head flap easier. Will be according to claim 3 When folding the head flap, the side areas are pre-bent at the same time one operation saved. The measure of claim 4 represents a simple one Type of pre-bending of the side areas of the head flap. Claim 5 contains Features of a preferred embodiment of the method according to the invention. Claims 6 and 7 relate to a variant of the method, claim 6 ensures that even an unglued head flap is safe after folding is fixed to the ceiling in front of the wall.

Die Ansprüche 9 bis 14 enthalten Merkmale von Fortführungen und vorteilhaften Ausgestaltungen der Vorrichtung nach der Erfindung.Claims 9 to 14 contain features of continuations and advantageous Embodiments of the device according to the invention.

Die Erfindung bietet den Vorteil, daß die Kopflasche mit ihren Seitenbereichen sicher an den Seitenwänden im Deckel einer Hinged-Lid-Packung gehalten wird, ohne daß sich der Deckel durch den Druck der Kopflasche verformt. Das verbessert das Aussehen der Schachtel wie auch ihre Handhabung in die Schachtel weiterverarbeitenden Maschinen. Dabei kann auf den zusätzlichen Aufwand, den die früher übliche Verklebung der Kopflasche erfordern würde, verzichtet werden. Der verfahrenstechnische und maschinelle Aufwand für die Realisierung der Erfindung ist gering. The invention offers the advantage that the head flap with its side areas is held securely on the side walls in the lid of a hinged lid pack, without the lid being deformed by the pressure of the head flap. That improves the appearance of the box as well as its handling in the box Machinery. The additional effort that the would have previously required conventional gluing of the head flap to be dispensed with. The procedural and mechanical effort for the implementation of the invention is low.

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 a hinged lid pack for cigarettes. The formation of the blank 2 can best be seen in the top view of FIG. 1. Such as a blank designated box blank 2 serves in the form of a hinged lid pack or hinged-lid pack for the outer wrapping with an inner wrapping film provided block-shaped cigarette group 3, such as that in FIGS and 7, which will be referred to 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 head flap in its central area 4, which is also referred to as a lid inner tab, a lid front wall 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 box parts mentioned from outer lid side tabs 13, inner lid top tabs 14, inner Lid side tabs 16, inside tabs 17, inner bottom panel tabs 18 and outside tabs 19 together. The individual blank walls and Cutting flaps are pre-embossed with one another by dashed lines Folded lines connected and with punched separation cuts shown as solid lines Mistake.

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 Figure 1, the inner head or lid tab 4 is wider than that 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 of the front wall of the lid at a fold line 22 6 folded towards the front of the lid. The protrude Side areas 21 a piece into the area of the lid side tabs 13, whereby the head flap 4 mechanically after the lid side flaps 13 have been folded up is held in its folded position, which can be seen from Figure 6 and can also be seen in FIG. 7. The side areas 21 of the head flap 4 are located after setting up the cover side tabs 13 on this and hold the Head flap 4 mechanically fixed in its folded position in this way. Here but you can bulge the resulting lid outwards. This is undesirable and is avoided with the present invention by the side areas 21 of the head flap 4 pre-bent at folding lines 23 during the folding process become. The stable fixation of the head flap 4 on the inside of the Lid front wall 6 is retained, an impression of the side areas 21 of the Head flap through the side cover wall is avoided. In order to facilitate the pre-bending of the side areas 21 of the head flap 4 and on To allow 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 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 4 188 024 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 its longitudinal orientation conveyed into a folding station 27. The conveyors 24 are with stops 28 provided for the exact positioning of the blanks 2. Parallel to the sponsors 24 run support rails 29 for supporting the blank during the Transport. The conveyor 24 is driven step by step and positions the blanks 2 successively suitable for processing in the folding station 27. A transport device this type is shown, for example, in US Pat. No. 4,188,024 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, one pivotable or rotating folding member 33 and a stationary mouthpiece associated with side cheeks 34. The folding member 33 consists of two of the same Rotary bodies on a shaft 37 driven in the direction of arrow 36 (FIG. 2). The drive the shaft is shown schematically in Figure 1 and designated 38. Everyone Rotary body of the folding member 33 has a nose 39, which is used to fold the head flap 4 cooperates with the folding strip 32 and the side cheeks 34 of 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, taking it 3 between the stationary side cheeks 34 of the mouthpiece. 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 the head 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 cut is now in the next Work 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 the folding of the head flap 4 in the folding station 27 as described Blank 2 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 press station 43 has a press 44 with a stationary upper die 46 and a lower die 49 pivotable on a support 47 about an axis 48.

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 pivoting the carrier 47 in Arrow direction 51 about the pivot axis 48, the lower die 49 against the Upper die 46 moves, the head flap 4 against the inner surface of the front cover wall 6 of the blank 2 is pressed. This will make the head flap fold 4 stabilized to such an extent that it does not fold into one until later folding shown packing machine 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 a further deformation of cut 2 does not take place. This is the usual training of the Pressing agent to stabilize the top flap. In Figure 10 is an education the upper die 46 and the lower die 49 are shown, the simultaneous Bending the side areas 21 of the head flap and the cover side tabs 13 of the front cover 6 allowed. For this purpose, at least the lower die 49 points 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 21st and the cover side tabs 13 are pre-bent together at their intended fold lines become. In this configuration of the press 44, the pre-bending of the Side areas 21 of the head flap in the previous folding station, which are related was described with Figures 1 to 5, are omitted. The 10 is an alternative to the arrangement a mouthpiece with side cheeks 34 in the folding station, the same purpose fulfilled, namely the pre-bending of the side areas of the head flap. However, you can also both described devices for pre-bending the side areas 21 may be provided.

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 folding and pressing of the head flap on the blank 2 described this is passed to a packaging machine, not shown, in which the blank around a cigarette group 3 already provided with an inner wrap is folded around (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 the blank that has already been partially folded around a cigarette group 3 2, whose lid fold is clearly visible. It can be seen here that the Side areas 21 of the head flap 4 project beyond the width of the front cover 6 and are supported on the cover side tabs 13 as soon as they reach the cover side wall be folded. The described pre-bending of the side areas 21 prevents that the side areas 21 can bulge the top wall outwards. Figure 7 shows a hinged lid pack before the last folding process, in which the Cover side tabs 13 and the outside tabs 19 to the side wall of the pack be folded over. The side regions 21 of the head flap 4 can also be seen here, which protrude beyond the width of the pack and thereby the head flap 4 without Fix the glue on the inside of the front cover 6 by holding it to the side Support on the cover side tabs 13.

Claims (14)

  1. A method for folding an over-width top flap (4) on a blank (2) for a hinged-lid pack for cigarettes, in which the top flap (4) is attached to the inner face of a hinged-lid anterior wall (6) of the hinged-lid pack, characterised in that side regions (21) of the top flap (4) which project over the width of the hinged-lid anterior wall (6) are bent forward at pre-established broken lines (23).
  2. A method according to Claim 1, characterised in that the broken lines (23) of the side regions (21) of the top flap (4) are previously weakened.
  3. A method according to Claim 1 or 2, characterised in that when the top flap (4) is folded, its side regions (21) are simultaneously bent forward.
  4. A method according to one of Claims 1 to 3, characterised in that, while being folded, the top flap (4) is moved through between side walls (34) of a mouth piece, the distance of the said side walls from one another being smaller than the width of the top flap (4) with its side regions (21).
  5. A method according to one of Claims 1 to 4, characterised in that a blank (2) is conveyed into a folding position, in that the top flap (4) is turned down towards the inner face of an anterior wall (6) of the lid, the said anterior wall butting against the top flap (4) along a fold line (22), in that in so doing the side regions (21) of the top flap (4) which project over the width of the anterior face of the lid are bent forward at pre-established broken lines (23) and in that the blank (2) is conveyed further in order to carry out further folding and processing operations.
  6. A method according to one of Claims 1 to 5, characterised in that, after folding, the top flap (4) is pressed against the inner face of the anterior wall (6) of the lid.
  7. A method according to Claim 6, characterised in that, when the top flap (4) is pressed against the anterior wall (6) of the lid, the side regions (21) of the top flap (4) are bent forward.
  8. A device for folding an over-width top flap (4) on a blank (2) for a hinged-lid pack for cigarettes with a folding station, conveying means for the work-ready positioning of successive blanks (2) in the folding station and folding means (32, 33) for folding and turning down the top flap (4) on to the inner face of an anterior wall (6) of the lid, the said anterior wall butting against the top flap (4) along a fold line (22), characterised in that means (1) are provided for the bending forward of side regions (21) of the top flap (4) which project over the width of the hinged-lid anterior wall (6) at pre-established broken lines (23).
  9. A device according to Claim 8, characterised in that a mouth piece with side walls (34) which co-operates with the folding means (32, 33) is assigned to the folding station (27) as forward-bending means, the distance of the side walls from one another being smaller than the width of the top flap (4) with side regions (21) and in that the folding means has a folding member (33) moving the top flap through the mouth piece (34) and in so doing bending the side regions (21) round.
  10. A device according to Claim 9, characterised in that the distance of the side walls (34) of the mouth piece is greater than the width of the hinged-lid anterior wall (6) and smaller than the overall width of the top flap (4) with side regions (21).
  11. A device according to one of Claims 8 to 10, characterised in that a pressing station (43) is arranged downstream of the folding station (27), the said pressing station having pressing means (44) with pressing surfaces (52, 53) for pressing the folded top flap (4) against the inner surface of the anterior wall (6) of the lid.
  12. A device according to Claim 11, characterised in that a die with upper die (46) and lower die (47) is provided as pressing means (44), in that the upper die (46) and/or the lower die (47) have lateral pressing surfaces (54) converging obliquely to the pressing surface (52 or 53) for joint bending of the side regions (21) of the top flap (4) and of outer side flaps (13) of the lid.
  13. A device according to one of Claims 8 to 12, characterised in that the folding station (27) and the pressing station (43) are arranged in a conveyance direction (24) moving the blanks (2) individually one after the other transversely to their longitudinal direction.
  14. A device according to one of Claims 8 to 13, characterised in that the folding station (27) and the pressing station (43) are assigned to a packing machine folding the blanks (2) around blocks of cigarettes (3).
EP98108020A 1997-05-16 1998-05-02 Method and apparatus for folding the end flap of a blank for a cigarette box Expired - Lifetime EP0878398B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99117191A EP0963908B1 (en) 1997-05-16 1998-05-02 Apparatus for folding the end flap of a blank for a cigarette box

Applications Claiming Priority (2)

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

Related Child Applications (1)

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EP99117191A Division EP0963908B1 (en) 1997-05-16 1998-05-02 Apparatus for folding the end flap of a blank for a cigarette box

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EP0878398A1 EP0878398A1 (en) 1998-11-18
EP0878398B1 true EP0878398B1 (en) 2000-12-13

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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

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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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DE4241176B4 (en) * 1992-12-08 2005-12-22 Focke & Co.(Gmbh & Co. Kg) Apparatus for applying glue to blanks for folding boxes
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DE19720500A1 (en) * 1997-05-16 1998-11-19 Topack Verpacktech Gmbh Method and device for folding the top flap of a blank for a cigarette packet
IT1293236B1 (en) * 1997-07-09 1999-02-16 Gd Spa METHOD AND UNIT FEEDING OF COLLARS FOR RIGID CIGARETTES PACKAGES TO A CONTINUOUS PACKAGING LINE.

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DE59800381D1 (en) 2001-01-18
DE19720500A1 (en) 1998-11-19
DE59802331D1 (en) 2002-01-17
CN1110430C (en) 2003-06-04
CN1199699A (en) 1998-11-25
CN1282699A (en) 2001-02-07
ES2153695T3 (en) 2001-03-01
EP0963908A1 (en) 1999-12-15
CN1093069C (en) 2002-10-23
JPH1111416A (en) 1999-01-19
EP0878398A1 (en) 1998-11-18
HK1016552A1 (en) 1999-11-05
ES2167979T3 (en) 2002-05-16
US6322486B1 (en) 2001-11-27
EP0963908B1 (en) 2001-12-05
US6113525A (en) 2000-09-05

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