EP2004491B1 - Procédé de fabrication d'un emballage et machine à emballer - Google Patents

Procédé de fabrication d'un emballage et machine à emballer Download PDF

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Publication number
EP2004491B1
EP2004491B1 EP07724171A EP07724171A EP2004491B1 EP 2004491 B1 EP2004491 B1 EP 2004491B1 EP 07724171 A EP07724171 A EP 07724171A EP 07724171 A EP07724171 A EP 07724171A EP 2004491 B1 EP2004491 B1 EP 2004491B1
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EP
European Patent Office
Prior art keywords
packaging
web
lid
station
produced
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.)
Active
Application number
EP07724171A
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German (de)
English (en)
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EP2004491A1 (fr
Inventor
Johann Natterer
Helmut Sparakowski
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.)
Multivac Sepp Haggenmueller GmbH and Co KG
Original Assignee
Multivac Sepp Haggenmueller GmbH and Co KG
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Publication of EP2004491A1 publication Critical patent/EP2004491A1/fr
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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting

Definitions

  • the present invention relates to a method of manufacturing a packaging and a packaging machine.
  • thermoformed packaging A known type of packaging is the sealing of the goods to be packaged in so-called thermoformed packaging. These packages are characterized by the fact that the goods airtight and, if desired, can be packaged in a modified atmosphere and at the same time the packaging can be designed cost and visually appealing.
  • bottom parts of a web of a film material usually a plastic film, are first used to form packaging bottom parts in the film material.
  • packaging parts are then filled with the goods to be packaged and then a film material sealed along a peripheral edge as a lid on the respective packaging lower parts.
  • the produced packages are singulated by cutting through the material of the packaging bottoms and the lid at the same time along the outer contour of the packaging to be produced.
  • DE 25 06 446 A1 discloses a thermoforming machine, in which the separation takes place in two steps, in the transport direction and perpendicular to the transport direction.
  • the packages produced have the disadvantage that their edge is formed by a horizontally extending flat edge portion, which is partially sharp-edged and for some applications does not meet the demands on the optical design of the packaging. If it is desired that the edge of the packaging base have an angled or bent shape, the packaging can not be made meaningfully according to this method since the cutting of the materials of the packaging base and lid must be on two spaced apart planes.
  • prefabricated containers are initially provided and filled. Subsequently, a lidding film is sealed onto the filled containers, which is cut after sealing.
  • the latter methods have the advantage that packaging can be produced in which the edge region of the container can be angled or bent, resulting in an improved appearance of the package.
  • the prefabricated containers must be exactly positioned individually prior to filling and sealing in order to allow reliable filling and sealing.
  • the containers are manufactured at a different location from the place of filling, combined into larger groups in stacks and transported to the place of filling. In these cases, the containers must be additionally unstacked before filling. This method is thus more expensive than the one described first.
  • the DE 101 54 722 A1 is a packaging machine disclosed in which initially formed from a film packaging trays and these are separated with a downstream arranged cutting station from the film. Subsequently, after filling the separated packaging troughs, a lidding foil is sealed and finally the lidding foil is cut to the desired shape. Since the lidding film is sealed onto separate, independent packaging trays, they must be precisely positioned before sealing. If lid film is to be sealed onto several packaging trays simultaneously in one step, then the packaging trays must be grouped in advance.
  • GB 850,089 shows a machine for packaging products with a conveyor for conveying a first strip of thermoplastic material through a deformation area, a loading area and a shrink area, with a forming device in the deformation area and with means for feeding a second strip of thermoplastic material.
  • EP 0 405 365 A1 shows a container packaging with a container and a lid part with which the container is sealed by sealing after it has been filled.
  • packages can be produced which have a visually appealing shape.
  • the packaging edges can be formed with angled or rounded edges. Furthermore, there is an advantage that over devices and methods in which lids are sealed on prefabricated packaging troughs or containers, a precise positioning and grouping of the container does not have to be done, since the position of the container is controlled over the entire processing path. As a result, the packaging can be produced inexpensively and in a small space.
  • the separation of the packaging takes place only at the end of the packaging process and a reliable transport during the packaging process is ensured.
  • the material of the lid closing the packaging is not cut, and sharp-edged packaging edges can be avoided.
  • the removal of the packaging from the sheet-like material can be done exactly and tightly on a predetermined individually shaped outer contour, whereby visually appealing and mechanically stable packaging can be produced.
  • the packaging machine has a forming station 1, a sealing station 2, a cross-cutting device 3 and a longitudinal cutting device 4, which are arranged in this order in a processing direction R on a machine frame 5.
  • a feed roller 6, from which a first web-shaped material 7 is unrolled.
  • a second feed roller 8 is provided, from which a second web-shaped material 9 is unrolled.
  • a discharge device 10 in the form of a roll, on which a remaining after the sealing station 2 Restfoliengitter 9 'of the second web-shaped material is rolled up.
  • a transport device 11 is further provided, with which the second web-shaped material 9 is actively transported into and out of the sealing station 2 in a main working cycle.
  • This transport device 11 can be realized for example by laterally arranged chains or grippers or by friction rollers.
  • a discharge device 12 in the form of a conveyor belt is provided on the packaging machine, are transported with the finished individualized packages.
  • the packaging machine to a feed device, not shown, which engages the first sheet-like material laterally and in the main working cycle cyclically transported in the machining direction.
  • the feed device can be realized, for example, by laterally arranged transport chains, lateral grippers or friction rollers.
  • the forming station 1 is formed as a deep-drawing station in which containers 13 are formed by deep-drawing in the first sheet-like material 7.
  • the forming station 1 can be designed such that in the direction perpendicular to the processing direction R a plurality of containers are formed side by side.
  • a filling station is provided, in which the containers 13 formed in the first web-shaped material 7 are filled.
  • the sealing station 2 is formed as a combined sealing and lid cutting station.
  • This combined sealing and lid cutting station is designed so that from the second web-shaped material 9 cover 14 are cut out and sealed onto a peripheral upper edge of the container 13.
  • the lid 14 are cut with a punch from the second sheet-like material 9 and sealed by supplying heat between a sealing shell and a seal base with the material of the container 13.
  • the first and the second sheet-like material 7, 9 are each formed by plastic films in the present embodiment.
  • the sealing station 2 is further formed in a known manner as a closed chamber in which the atmosphere in the containers 13 is replaced by a replacement gas prior to sealing, such as CO 2 as inert gas.
  • the cross cutter 3 is formed as a punch which divides the first sheet material 7 in a direction transverse to the machining direction between adjacent containers 13.
  • the cross-cutting device 3 works in this way, that the first web-shaped material is not cut over the entire web width, but is not severed at least in an edge region. This allows a controlled onward transport by the feed device.
  • the longitudinal cutting device 4 is formed in the illustrated embodiment as a knife assembly with which the first web-shaped material 7 is severed between adjacent containers 13 and the lateral edge of the first web-shaped material 7, so that behind the longitudinal cutting device 4 individualized packages consisting of the first web-shaped Material 7 are separated.
  • the first web-shaped material 7 is unrolled from the feed roller 6 and transported by the feed device into the forming station 1.
  • containers 13 are formed by deep drawing in the first sheet-like material 7.
  • the containers are thereby formed so that they have in their peripheral edge region a horizontal first edge portion 20, to which in the circumferential direction outside an angled or bent second edge portion 21 connects, which extends substantially vertically, as in the Fig. 2 to 4 is shown.
  • a corner of the container 13 is formed with a horizontal section 22 adjoining the second edge section 21 on the outside.
  • the containers 13 formed are transported along with the surrounding material of the first web-shaped material 7 in a main working cycle to the filling station, in which they are filled with the goods 15 to be packaged.
  • the filled containers 13 are transported along with the surrounding material of the first sheet material 7 in the main working cycle by the feed device in the sealing station 2.
  • the second web-shaped material 9 is actively transported by the transport device 11 in the main working cycle in the sealing station 2.
  • the sealing station 2 designed as a combined sealing and lid cutting device, lids 14 are cut out of the second web-shaped material 9 and these are sealed onto the containers 13. This process is based on the Fig. 2 to 4 described in more detail.
  • the lids 14 are cut out of the second web-shaped material 9 such that their outer contour runs within the outer contour of the container 13 defined by the second edge section 21 and the horizontal section 22.
  • the cover 14 are also sealed within the outer contour of the container 13 along a sealing seam 23 on the first edge portion 20.
  • Fig. 4 is schematically shown in detail a section through two adjacent containers on the lid 14 have been sealed.
  • the sealing seam 23 extends in each case within the defined by the angled or bent edge outer contour of the container 13 and the material of the lid 14 extends only so far that it ends in front of the outer contour of the container 13.
  • the material of the cover 14 does not protrude beyond the outer contour of the container 13 that defines the later packaging edge.
  • a rounded corner 14 'of the lid 14 which is located at the provided with the horizontal portion 22 corner of the container 13, after sealing from the first edge portion 20 of the horizontal portion 22 out and thus allows comfortable handling when opening the packaging.
  • the first web-shaped material 7 after the sealing station 2 still extends between adjacent containers 13, 13 that they are interconnected. This ensures that the filled and sealed containers 13 can be transported further after the sealing station 2 in the main working cycle of the packaging machine with the first web-shaped material 7.
  • a residual grid 9 'of the second sheet material 9 remaining after the cut-out of the lid 14 is wound on the output side of the sealing station 2 onto a removal roller 10, so that it can be disposed of or recycled.
  • the sealed containers 13 are transported further with the advance of the first web-shaped material 7 into the cross-cutting device 3, in which the first web-shaped material 7 is severed in the direction perpendicular to the processing direction R between the containers.
  • the operation of the cross cutter 3 is based on Fig. 5 described.
  • the cross-cutting device 3 consists of a cutting tool 31 and an abutment 30.
  • the cutting tool 31 can be moved in the vertical direction Z relative to the anvil 30, that there is located between first web-like material 7 between two containers 13, a strip 16 of the first sheet material 7 is cut out.
  • the cross-cutting device 3 is formed such that the cut as close as possible to the formed by the angled or bent second edge portion 21 outer contour of the container 13. It is important that when performing the cut, the material of the lid 14 is not severed, since it already ends within the outer contour of the container 13.
  • the cross-cutting device 3 is designed such that the first web-shaped material 7 is severed in the direction transverse to the machining direction between the containers, but at least a portion of the side edges of the first web-shaped material 7 is not severed to allow reliable onward transport.
  • a plurality of containers 13 are arranged side by side and one behind the other in the first web-shaped material 7 and sealed.
  • the in Fig. 2 illustrated rounded corners of the container 13 is formed.
  • the containers 13 which have not yet been cut in the longitudinal direction are transported further with the first sheet-like material 7 to the longitudinal cutting device 4. Since the first web-shaped material 7 was not completely severed in the cross-cutting device 3 in the transverse direction, but at least one continuous edge portion was left, a reliable further transport of the still connected to the first web-shaped material 7 container 13 can take place.
  • the first web-shaped material 7 is cut in the machining direction, ie in the longitudinal direction, along the outer contour of the container 13 between the rounded corners.
  • the section is again as close as possible to the outer contour of the container 13 forming angled or bent second edge portion 21 performed. Again, it is important that the material of the lid 14 is not severed, as it ends within the outer contour of the container 13.
  • the sealed containers 13 produced are completely separated from the first sheet-like material 7 and transported away as separated finished packages with the discharge device 12.
  • the in Fig. 2 and 3 produced packaging can be produced.
  • the generated packaging has a visually appealing downwardly angled or rounded edge 21, which has a U-shaped cross-section in the embodiment shown.
  • a corner of the packaging as in Fig. 2 represented with a horizontal edge portion 22 are provided, at which the lid 14 is withdrawn from the container 13 with a protruding corner 14 'for opening the package.
  • thermoforming machine With the packaging machine described, it is possible to produce visually appealing packages with angled or bent edges on a thermoforming machine, in which both the receiving container and the lid can be made within a short working distance and sealed together. Furthermore, the control of the containers is not abandoned during the entire process since they are carried along with the first sheet material until the last process step. It can thus be produced on a cost-saving thermoforming efficient packaging with shapes that could previously be produced only with more expensive and expensive procedures.
  • the active transport of the second web-like material 9 by means of the transport device 11 has the advantage that the feeding of the second web-like material over the containers 13 can be done exactly and the remaining skeleton can be reliably removed from the sealing device.
  • the Transport device 11 may be arranged, for example, before the sealing station, after the sealing station or so that it extends through the sealing station.
  • the cross-cutter and the slitter may be combined into a single cutting station in which the containers are e.g. be cut with a punch around along its outer contour of the first sheet material 7. It is important, however, that the material of the lid 14 does not have to be severed during cutting and angled or bent edges of the packaging are produced.
  • prefabricated lids can also be sealed onto the containers 13 formed in the first sheet-like material 7. These must not extend beyond the outer contour of the packaging to be produced and should not be severed during the separation of the packaging, so that attractive packaging with angled or bent edges can be produced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Closing Of Containers (AREA)

Claims (23)

  1. Procédé pour fabriquer un emballage, avec les étapes qui consistent :
    - à former un récipient (13) dans une bande d'un premier matériau en bande (7) ;
    - à sceller ensuite un couvercle (14) sur le récipient produit, à l'intérieur d'un contour extérieur de l'emballage à produire ; et
    - à séparer ensuite le récipient (13) du premier matériau en bande (7) le long du contour extérieur de l'emballage à produire et en dehors d'un contour extérieur du couvercle (14) scellé.
  2. Procédé selon la revendication 1, selon lequel le bord (21) de l'emballage à produire est formé avec une forme coudée ou repliée.
  3. Procédé selon l'une des revendications 1 ou 2, selon lequel le formage du récipient (13) se fait par thermoformage.
  4. Procédé selon l'une des revendications 1 à 3, selon lequel lorsque le récipient (13) est séparé du premier matériau en bande, le matériau du couvercle (14) n'est pas sectionné.
  5. Procédé selon l'une des revendications 1 à 4, selon lequel le formage et la séparation du récipient (13) se font de telle sorte que l'emballage fabriqué présente un bord (21) globalement vertical.
  6. Procédé selon l'une des revendications 1 à 5, selon lequel on scelle un couvercle (14) dont le contour extérieur s'étend à l'intérieur du contour extérieur de l'emballage à produire.
  7. Procédé selon l'une des revendications 1 à 6, selon lequel on scelle un couvercle (14) déjà découpé.
  8. Procédé selon l'une des revendications 1 à 7, selon lequel le couvercle (14) est séparé d'une bande d'un second matériau en bande (9) avant d'être scellé.
  9. Procédé selon la revendication 8, selon lequel une séparation du couvercle (14) du second matériau en bande (9) et le scellage dudit couvercle (14) ont lieu dans une seule station de travail.
  10. Procédé selon l'une des revendications 1 à 9, selon lequel le formage et la séparation du récipient (13) se font de telle sorte que l'emballage fabriqué présente un bord globalement en U.
  11. Procédé selon l'une des revendications 1 à 10, selon lequel après le formage du récipient (13) et avant le scellage du couvercle (14) a lieu un remplissage du récipient.
  12. Machine d'emballage avec
    - une station de formage (1) pour former des récipients (13) dans un premier matériau en bande (7),
    - une station de scellage (2) qui est disposée derrière la station de formage (1), dans le sens de travail, et qui est conçue de telle sorte que des couvercles (14) soient scellés sur les récipients (13) à l'intérieur d'un contour extérieur de l'emballage à produire, sans être reliés aux couvercles (14) de récipients (13) voisins,
    - une station de découpage (3, 4) qui est disposée derrière la station de scellage (2), dans le sens de travail, et qui est conçue de telle sorte que les récipients soient découpés dans le premier matériau en bande (7) le long du contour extérieur de l'emballage à produire et en dehors d'un contour extérieur du couvercle (14) scellé.
  13. Machine d'emballage selon la revendication 12, dans laquelle la station de scellage (2) est intégrée à une station de découpage de couvercles qui est conçue de telle sorte que des couvercles (14) soient découpés dans une bande d'un second matériau en bande (9).
  14. Machine d'emballage selon la revendication 13, dans laquelle la station de découpage de couvercles comporte un outil de découpage qui est conçu de telle sorte que les couvercles (14) soient découpés à l'intérieur du contour extérieur de l'emballage à produire.
  15. Machine d'emballage selon la revendication 13 ou 14, dans laquelle la station de découpage de couvercles est conçue de telle sorte que le découpage des couvercles (14) ait lieu avant le scellage.
  16. Machine d'emballage selon l'une des revendications 12 à 15, dans laquelle la station de formage (1) consiste en une station de thermoformage.
  17. Machine d'emballage selon l'une des revendications 12 à 16, dans laquelle la station de scellage (2) consiste en une chambre apte à être fermée, avec une atmosphère modifiable.
  18. Machine d'emballage selon l'une des revendications 12 à 17, dans laquelle la station de découpage (3) est formée par une estampeuse qui sépare les emballages du premier matériau en bande (7) en une seule étape.
  19. Machine d'emballage selon l'une des revendications 12 à 18, dans laquelle la station de découpage est formée par un dispositif de découpage longitudinal (3) séparé qui découpe le premier matériau en bande (7) dans le sens de transport (R), et par un dispositif de découpage transversal (4) qui découpe le premier matériau en bande (7) transversalement par rapport au sens de transport (R).
  20. Machine d'emballage selon la revendication 19, dans laquelle le dispositif de découpage transversal (3) est disposé avant le dispositif de découpage longitudinal (4).
  21. Machine d'emballage selon l'une des revendications 13 à 20, dans laquelle il est également prévu un dispositif de transport (11) qui déplace activement le second matériau en bande (9) à travers la station de scellage (2).
  22. Machine d'emballage selon l'une des revendications 13 à 21, dans laquelle il est prévu, derrière la station de scellage (2), un dispositif d'évacuation (10) pour recevoir un matériau ajouré résiduel du second matériau en bande (9).
  23. Machine d'emballage selon l'une des revendications 12 à 22, dans laquelle la station de formage (1) est conçue de telle sorte que le bord de l'emballage à produire soit produit avec une forme coudée ou repliée.
EP07724171A 2006-04-12 2007-04-11 Procédé de fabrication d'un emballage et machine à emballer Active EP2004491B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006017258A DE102006017258B4 (de) 2006-04-12 2006-04-12 Verfahren zum Herstellen einer Verpackung und Verpackungsmaschine
PCT/EP2007/003230 WO2007118661A1 (fr) 2006-04-12 2007-04-11 Procédé de fabrication d'un emballage et machine à emballer

Publications (2)

Publication Number Publication Date
EP2004491A1 EP2004491A1 (fr) 2008-12-24
EP2004491B1 true EP2004491B1 (fr) 2011-01-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07724171A Active EP2004491B1 (fr) 2006-04-12 2007-04-11 Procédé de fabrication d'un emballage et machine à emballer

Country Status (6)

Country Link
US (1) US9227743B2 (fr)
EP (1) EP2004491B1 (fr)
AT (1) ATE495104T1 (fr)
DE (2) DE102006017258B4 (fr)
ES (1) ES2354953T3 (fr)
WO (1) WO2007118661A1 (fr)

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DE102006020361A1 (de) 2006-02-09 2007-08-16 Cfs Germany Gmbh Verpackungsmaschine für die Herstellung einer Verpackung mit einem Rücksprung in dem Verpackungsmuldenrand
EP2052990B1 (fr) * 2007-10-25 2011-06-22 NV Omniform SA Ensemble de récipient
CH701451A2 (de) * 2009-07-09 2011-01-14 Soudronic Ag Verfahren und Vorrichtung zur Herstellung von Aufreissdeckeln.
US8875927B2 (en) * 2009-09-23 2014-11-04 Anchor Packaging, Inc. Container with self-venting features

Also Published As

Publication number Publication date
ATE495104T1 (de) 2011-01-15
US20090025340A1 (en) 2009-01-29
DE102006017258B4 (de) 2011-07-21
US9227743B2 (en) 2016-01-05
DE102006017258A1 (de) 2007-10-25
EP2004491A1 (fr) 2008-12-24
WO2007118661A1 (fr) 2007-10-25
DE502007006242D1 (de) 2011-02-24
ES2354953T3 (es) 2011-03-21

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