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EP0356888A1 - Method and device for righting a package - Google Patents

Method and device for righting a package Download PDF

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Publication number
EP0356888A1
EP0356888A1 EP19890115499 EP89115499A EP0356888A1 EP 0356888 A1 EP0356888 A1 EP 0356888A1 EP 19890115499 EP19890115499 EP 19890115499 EP 89115499 A EP89115499 A EP 89115499A EP 0356888 A1 EP0356888 A1 EP 0356888A1
Authority
EP
European Patent Office
Prior art keywords
processing station
edge strips
sealing edge
bottom section
side walls
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.)
Withdrawn
Application number
EP19890115499
Other languages
German (de)
French (fr)
Inventor
Wilhelm Fischer
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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 Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP0356888A1 publication Critical patent/EP0356888A1/en
Withdrawn legal-status Critical Current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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/08—Forming three-dimensional containers from sheet material
    • B65B43/10—Forming three-dimensional containers from sheet material by folding the material
    • 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

Definitions

  • the invention relates to a method for erecting a package from a one-piece cardboard blank or the like, with a bottom portion and two side walls, which are connected to one another by sealing edge strips, and to an apparatus for carrying out the method.
  • the invention is based on the object of proposing a method and a device with which the packaging can be produced efficiently and in large numbers.
  • This object is achieved in that in a first stage the bottom section is clamped between two molds and the side walls are bent upwards by approximately 90 °, that end walls are then folded out from the side walls and connected by means of the sealing edge strips, that subsequently the are joined together sealed sealing edge strips are placed on the end walls and fixed there, and that the gusset areas separated from the end walls and the bottom section during erection are placed on the outside of the bottom section and fixed there.
  • An advantageous device for performing this method is characterized according to the invention in that a plurality of shaping mandrels (2) are provided on a carousel (1), each of which is assigned to a processing station, the carton blank being fed from a stack of stocks in the first processing station and between the shaping mandrel and a die arranged underneath is provided with a hollow bottom and at the same time the two side walls are folded upwards by 90 °, that four rotatably mounted flaps are provided in the second processing station, which fold the end walls off the side walls and thereby place the sealing edge strips on top of each other in that third processing station sealing tools are provided which seal the sealing edge strips together that spray nozzles or the like in the fourth processing station for applying hot melt.
  • FIG. 1 in FIG. 1 denotes a carousel, which is equipped with eight completely identical mandrels 2, each of which is assigned to a processing station I to VII.
  • the processing station I is assigned a feed device 3, via which flat cardboard blanks 4 are fed.
  • a cardboard blank is sucked out of a stack of stock 5 and placed on the feed device. This transports the cardboard blank 4 to such an extent that it lies centrally under the mandrel 2.
  • a shaping punch 6 is arranged under the shaping mandrel 2, which can be raised and presses the carton blank against the shaping mandrel 2 during this raising.
  • the bottom section 7 of the cardboard blank 4 is bent upwards, as can be seen in FIG. 2.
  • two flaps 8 and 9 ripen on the cardboard blank, which fold its side walls upwards by 90 °, as can also be seen in FIG. 2.
  • the cardboard blank so erected is then transported together with the shaping mandrel to the processing station II, in which four rotatably mounted flaps 10, 11 are provided, which move the end walls of the packaging from the side walls Unfold 90 °, the sealing edge strips protruding vertically from the end walls.
  • the processing station III contains — as shown in FIG. 3 — on the underside two flaps 16 which place the gusset surfaces projecting downward on the underside of the bottom section of the packaging.
  • the finished packaging is pushed off the mandrel 2 and transported away on a conveyor belt 17, not shown.
  • Station VIII only functions as an intermediate station in which no processing takes place.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

Method and device for righting a package comprising an integral cardboard blank or the like, having a bottom section and two side walls which are connected to each other by sealing edge strips, there being a plurality of processing steps in which the bottom section is shaped, the side and end walls are folded in, and sealing edge strips are connected to each other. The sealing edge strips are then applied to the package in precisely the manner of downward-projecting gusset areas and fixed there. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Verfahren zum Aufrichten einer Verpackung aus einem einteiligen Kartonzuschnitt od.dgl., mit einem Bodenabschnitt und zwei Seitenwänden, die durch Siegelrandstreifen miteinander verbunden werden, sowie auf eine Vorrichtung zum Durchführen des Verfahrens.The invention relates to a method for erecting a package from a one-piece cardboard blank or the like, with a bottom portion and two side walls, which are connected to one another by sealing edge strips, and to an apparatus for carrying out the method.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung vorzuschlagen, mit denen die Verpackung rationell und in großen Stückzahlen hergestellt werden kann.The invention is based on the object of proposing a method and a device with which the packaging can be produced efficiently and in large numbers.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß in einer ersten Stufe der Bodenabschnitt zwischen zwei Formwerkzeugen eingespannt wird und die Seitenwände nach oben um etwa 90° abgebogen werden, daß sodann von den Seitenwänden Stirnwände abgefaltet werden und mittels der Siegelrandstreifen verbunden werden, daß anschließend die miteinander versiegelten Siegelrandstreifen an die Stirnwände angelegt und dort festgelegt werden, und daß die von den Stirnwänden und dem Bodenabschnitt beim Aufrichten abgeteilten Zwickelflächen an die Außenseite des Bodenabschnittes angelegt und dort festgelegt werden.This object is achieved in that in a first stage the bottom section is clamped between two molds and the side walls are bent upwards by approximately 90 °, that end walls are then folded out from the side walls and connected by means of the sealing edge strips, that subsequently the are joined together sealed sealing edge strips are placed on the end walls and fixed there, and that the gusset areas separated from the end walls and the bottom section during erection are placed on the outside of the bottom section and fixed there.

Mit einem derartigen Verfahren wird auf einfache und sehr effektive Weise aus einem flachliegenden Zuschnitt eine fertige und zudem sehr stabile Verpackung hergestellt.With such a method, a finished and also very stable packaging is produced from a flat blank in a simple and very effective manner.

Eine vorteilhafte Vorrichtung zum Durchführen dieses Verfahrens ist erfindungsgemäß dadurch gekennzeichnet, daß auf einem Karussell (1) mehrere Formdorne (2) vorgesehen sind, die jeweils einer Bearbeitungsstation zugeordnet sind, wobei in der ersten Bearbeitungsstation der Kartonzuschnitt von einem Vorratsstapel zugeführt und zwischen dem Formdorn und einem darunter angeordneten Formstempel mit einem Hohlboden versehen wird und gleichzeitig die beiden Seitenwände um 90° nach oben umgefaltet werden, daß in der zweiten Bearbeitungsstation vier drehbar gelagerte Klappen vorgesehen sind, welche die Stirnwände von den Seitenwänden abfalten und dabei die Siegelrandstreifen aufeinanderlegen, daß in der dritten Bearbeitungsstation Siegelwerkzeuge vorgesehen sind, welche die Siegelrandstreifen miteinander versiegeln, daß in der vierten Bearbeitungsstation Spritzdüsen zum Auftragen von Hotmelt od.dgl. auf die Siegelrandstreifen oder deren Ansätze vorgesehen sind, daß in der fünften Bearbeitungsstation zwei drehbar gelagerte Klappen vorgesehen sind, welche die Siegelrandstreifen an die Stirnwände anlegen, daß in der sechsten Bearbeitungsstation Klappen vorgesehen sind, welche die Zwickelflächen an die Unterseite des Bodenabschnittes anlegen, und daß in der siebten Bearbeitungsstation die Verpackung vom Formdorn nach unten abgenommen und auf ein Förderband gestellt wird.An advantageous device for performing this method is characterized according to the invention in that a plurality of shaping mandrels (2) are provided on a carousel (1), each of which is assigned to a processing station, the carton blank being fed from a stack of stocks in the first processing station and between the shaping mandrel and a die arranged underneath is provided with a hollow bottom and at the same time the two side walls are folded upwards by 90 °, that four rotatably mounted flaps are provided in the second processing station, which fold the end walls off the side walls and thereby place the sealing edge strips on top of each other in that third processing station sealing tools are provided which seal the sealing edge strips together that spray nozzles or the like in the fourth processing station for applying hot melt. on the sealing edge strips or their approaches are provided that two rotatably mounted flaps are provided in the fifth processing station, which apply the sealing edge strips to the end walls, that flaps are provided in the sixth processing station, which apply the gusset surfaces to the underside of the bottom section, and that in the seventh processing station, the packaging is removed from the mandrel and placed on a conveyor belt.

Mit dieser Vorrichtung wird ein flachliegender Kartonzuschnitt aufgenommen, in mehreren Stationen verformt, versiegelt und so versteift, daß eine sehr dichte Verpackung, die fertig zum Befüllen ist, erzielt wird.With this device, a flat cardboard blank is picked up, deformed in several stations, sealed and stiffened in such a way that a very tight packaging that is ready for filling is achieved.

In der Zeichnung ist die Erfindung anhand eines Ausführungsbeispiels veranschaulicht. Dabei zeigen:

  • Fig. 1 eine schematische Darstellung einer Vorrichtung mit einem Karussel, auf dem mehrere Formdorne angeordnet sind,
  • Fig. 2 eine schematische Seitenansicht einer Zufuhreinrichtung für Kartonzuschnitte zum ersten Formdorn und
  • Fig. 3 einen Formdorn, unterhalb dem zwei Klappen zum Umlenken von Zwickelflächen angeordnet sind.
The invention is illustrated in the drawing using an exemplary embodiment. Show:
  • 1 is a schematic representation of a device with a carousel on which several mandrels are arranged,
  • Fig. 2 is a schematic side view of a feeder for cardboard blanks to the first mandrel and
  • Fig. 3 is a mandrel, below which two flaps for deflecting gusset surfaces are arranged.

Mit 1 ist in Fig. 1 ein Karussel bezeichnet, das mit acht völlig gleichen Formdornen 2 bestückt ist, welche jeweils einer Bearbeitungsstation I bis VII zugeordnet sind. Der Bearbeitungsstation I ist eine Zufuhreinrichtung 3 zugeordnet, über welche flachliegende Kartonzuschnitte 4 zugeführt werden. Aus einem Vorratsstapel 5 wird - wie in Fig. 2 sichtbar - ein Kartonzuschnitt abgesaugt und auf die Zufuhreinrichtung gelegt. Diese transportiert den Kartonzuschnitt 4 soweit, daß er mittig unter dem Formdorn 2 liegt. Unter dem Formdorn 2 ist ein Formstempel 6 angeordnet, der hochfahrbar ist und bei diesem Hochfahren den Kartonzuschnitt gegen den Formdorn 2 preßt. Dabei wird der Bodenabschnitt 7 des Kartonzuschnittes 4 nach oben durchgebogen, wie dies in Fig. 2 sichtbar ist. Gleichzeitig geifen am Kartonzuschnitt zwei Klappen 8 und 9 an, welche dessen Seitenwände um 90° nach oben umfalten, wie dies ebenfalls in Fig. 2 zu sehen ist.1 in FIG. 1 denotes a carousel, which is equipped with eight completely identical mandrels 2, each of which is assigned to a processing station I to VII. The processing station I is assigned a feed device 3, via which flat cardboard blanks 4 are fed. As can be seen in FIG. 2, a cardboard blank is sucked out of a stack of stock 5 and placed on the feed device. This transports the cardboard blank 4 to such an extent that it lies centrally under the mandrel 2. A shaping punch 6 is arranged under the shaping mandrel 2, which can be raised and presses the carton blank against the shaping mandrel 2 during this raising. The bottom section 7 of the cardboard blank 4 is bent upwards, as can be seen in FIG. 2. At the same time, two flaps 8 and 9 ripen on the cardboard blank, which fold its side walls upwards by 90 °, as can also be seen in FIG. 2.

Der so aufgerichtete Kartonzuschnitt wird dann zusammen mit dem Formdorn zur Bearbeitungsstation II transportiert, in der vier drehbar gelagerte Klappen 10,11 vorgesehen sind, welche die Stirnwände der Verpackung von den Seitenwänden um 90° abfalten, wobei die Siegelrandstreifen senkrecht von den Stirnwänden abstehen.The cardboard blank so erected is then transported together with the shaping mandrel to the processing station II, in which four rotatably mounted flaps 10, 11 are provided, which move the end walls of the packaging from the side walls Unfold 90 °, the sealing edge strips protruding vertically from the end walls.

In der Bearbeitungsstation III sind zwei Siegelbacken 12 sowie Gegenwerkzeuge 13 vorgesehen, mit denen die Siegelrandstreifen miteinander versiegelt werden. In der Bearbeitungsstation IV sind zwei Düsen 14 vorgesehen, welche Hotmelt auf die abstehenden Siegelrandstreifen aufspritzen, die dann in der Bearbeitungsstation V über drehbar gelagerte Klappen 15 an die Stirnwände angelegt werden. Die Bearbeitungsstation VI enthält - wie in Fig. 3 dargestellt - an der Unterseite zwei Klappen 16, welche die nach unten abstehenden Zwickelflächen an die Unterseite des Bodenabschnittes der Verpackung anlegen.In the processing station III, two sealing jaws 12 and counter tools 13 are provided, with which the sealing edge strips are sealed together. In the processing station IV, two nozzles 14 are provided, which spray hot melt onto the protruding sealing edge strips, which are then applied to the end walls in the processing station V by means of rotatably mounted flaps 15. The processing station VI contains — as shown in FIG. 3 — on the underside two flaps 16 which place the gusset surfaces projecting downward on the underside of the bottom section of the packaging.

In der Bearbeitungsstation VII wird die fertige Verpackung vom Formdorn 2 abgeschoben und auf einem nicht näher dargestellten Förderband 17 abtransportiert.In the processing station VII, the finished packaging is pushed off the mandrel 2 and transported away on a conveyor belt 17, not shown.

Die Station VIII hat nur die Funktion einer Zwischenstation, in der keine Bearbeitung erfolgt.Station VIII only functions as an intermediate station in which no processing takes place.

Claims (2)

1. Verfahren zum Aufrichten einer Verpackung aus einem einteiligen Kartonzuschnitt od.dgl., mit einem Bodenabschnitt und zwei Seitenwänden, die durch Siegelrandstreifen miteinander verbunden werden, dadurch gekennzeichnet, daß in einer ersten Stufe der Bodenabschnitt zwischen zwei Formwerkzeugen eingespannt wird und die Seitenwände nach oben um etwa 90° abgebogen werden, daß sodann von den Seitenwänden Stirnwände abgefaltet und mittels der Siegelstreifen verbunden werden, daß anschließend die miteinander versiegelten Siegelrandstreifen an die Stirnwände angelegt und dort festgelegt werden, und daß die von den Stirnwänden und dem Bodenabschnitt beim Aufrichten abgeteilten Zwickelflächen an die Außenseite des Bodenabschnittes angelegt und dort festgelegt werden.1. A method for erecting a package from a one-piece cardboard blank or the like., With a bottom section and two side walls, which are connected by sealing edge strips, characterized in that in a first stage the bottom section is clamped between two molds and the side walls upwards are bent by about 90 °, that then end walls are folded from the side walls and connected by means of the sealing strips, that subsequently the sealed edge strips are sealed to the end walls and fixed there, and that the gusset surfaces divided off from the end walls and the bottom section during erection the outside of the bottom section is created and fixed there. 2. Vorrichtung zum Durchführen des Verfahrens gemäß Anspruch 1, dadurch gekennzeichnet, daß auf einem Karussell (1) mehrere Formdorne (2) vorgesehen sind, die jeweils einer Bearbeitungsstation (I bis VII) zugeordnet sind, wobei in der ersten Bearbeitungsstation (I) der Kartonzuschnitt (4) von einem Vorratsstapel (5) zugeführt und zwischen dem Formdorn (2) und einem darunter angeordneten Formstempel (6) mit einem Hohlboden versehen wird und gleichzeitig die beiden Seitenwände um 90° nach oben umgefaltet werden, daß in der zweiten Bearbeitungsstation (II) vier drehbar gelagerte Klappen (10,11) vorgesehen sind, welche die Stirnwände von den Seitenwänden abfalten und dabei die Siegelrandstreifen aufeinanderlegen, daß in der dritten Bearbeitungsstation (III) Siegelwerkzeuge (12,13) vorgesehen sind, welche die Siegelrandstreifen miteinander versiegeln, daß in der vierten Bearbeitungstation (IV) Spritzdüsen (14) zum Auftragen von Hotmelt od.dgl. auf die Siegelrandstreifen oder deren Ansätze vorgesehen sind, daß in der fünften Bearbeitungsstation (V) zwei drehbar gelagerte Klappen (15) vorgesehen sind, welche die Siegelrandstreifen an die Stirnwände anlegen, daß in der sechsten Bearbeitungsstation (VI) Klappen (16) vorgesehen sind, welche die Zwickelflächen an die Unterseite des Bodenabschnittes anlegen, und daß in der siebten Bearbeitungsstation (VII) die Verpackung vom Formdorn (2) nach unten abgenommen und auf ein Förderband (17) gestellt wird.2. Device for performing the method according to claim 1, characterized in that on a carousel (1) a plurality of mandrels (2) are provided, each of which is assigned to a processing station (I to VII), in the first processing station (I) Cardboard blank (4) is fed from a stack of stocks (5) and is provided with a hollow bottom between the forming mandrel (2) and a shaping punch (6) arranged underneath and at the same time the two side walls are folded upwards by 90 ° in such a way that In the second processing station (II) four rotatably mounted flaps (10, 11) are provided which fold the end walls off the side walls and thereby place the sealing edge strips on top of one another, that sealing tools (12, 13) are provided in the third processing station (III), which seal the sealing edge strips together, that in the fourth processing station (IV) spray nozzles (14) or the like for applying hot melt. on the sealing edge strips or their approaches are provided that in the fifth processing station (V) there are two rotatably mounted flaps (15) which place the sealing edge strips on the end walls, that flaps (16) are provided in the sixth processing station (VI), which create the gusset surfaces on the underside of the bottom section, and that in the seventh processing station (VII) the packaging is removed from the mandrel (2) and placed on a conveyor belt (17).
EP19890115499 1988-08-30 1989-08-23 Method and device for righting a package Withdrawn EP0356888A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3829308 1988-08-30
DE3829308A DE3829308C1 (en) 1988-08-30 1988-08-30

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EP0356888A1 true EP0356888A1 (en) 1990-03-07

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EP19890115499 Withdrawn EP0356888A1 (en) 1988-08-30 1989-08-23 Method and device for righting a package

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DE (1) DE3829308C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000053503A1 (en) * 1999-03-05 2000-09-14 Activation Sweden Ab Machine for folding and filling of containers, in particular for cd discs and the like
WO2015170295A1 (en) * 2014-05-08 2015-11-12 G.D Societa' Per Azioni Folding unit and method for forming an empty package

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136990A (en) * 1936-10-28 1938-11-15 Utility Packages Inc Method and apparatus for the formation of bags and the like
US2196666A (en) * 1938-11-21 1940-04-09 Humoco Corp Method and means of making containers
US2309209A (en) * 1939-07-31 1943-01-26 Kraft Cheese Company Package forming and filling apparatus
US4252052A (en) * 1979-03-14 1981-02-24 American Can Company Paperboard pouch forming method and apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH495210A (en) * 1967-12-11 1970-08-31 Rovema Gmbh Process and machine for the production of soft packs with a stable base
US4012999A (en) * 1975-09-17 1977-03-22 Genevieve I. Hanscom Apparatus for forming trays

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136990A (en) * 1936-10-28 1938-11-15 Utility Packages Inc Method and apparatus for the formation of bags and the like
US2196666A (en) * 1938-11-21 1940-04-09 Humoco Corp Method and means of making containers
US2309209A (en) * 1939-07-31 1943-01-26 Kraft Cheese Company Package forming and filling apparatus
US4252052A (en) * 1979-03-14 1981-02-24 American Can Company Paperboard pouch forming method and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000053503A1 (en) * 1999-03-05 2000-09-14 Activation Sweden Ab Machine for folding and filling of containers, in particular for cd discs and the like
WO2015170295A1 (en) * 2014-05-08 2015-11-12 G.D Societa' Per Azioni Folding unit and method for forming an empty package

Also Published As

Publication number Publication date
DE3829308C1 (en) 1989-12-28

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