EP4001132A1 - Unité d'emballage, procédé de fabrication d'unités d'emballage et dispositif d'emballage - Google Patents

Unité d'emballage, procédé de fabrication d'unités d'emballage et dispositif d'emballage Download PDF

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Publication number
EP4001132A1
EP4001132A1 EP21202146.3A EP21202146A EP4001132A1 EP 4001132 A1 EP4001132 A1 EP 4001132A1 EP 21202146 A EP21202146 A EP 21202146A EP 4001132 A1 EP4001132 A1 EP 4001132A1
Authority
EP
European Patent Office
Prior art keywords
area
packaging
packaging material
outer packaging
articles
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.)
Pending
Application number
EP21202146.3A
Other languages
German (de)
English (en)
Inventor
Manfred Kieslinger
Christian Canalicchio
Michael Neubauer
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.)
Krones AG
Original Assignee
Krones AG
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 Krones AG filed Critical Krones AG
Publication of EP4001132A1 publication Critical patent/EP4001132A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/14—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls
    • B65D71/16—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls with article-locating elements
    • B65D71/20—Slits or openings along the fold line of the tubular body
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/004—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material in blanks, e.g. sheets precut and creased for folding
    • 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
    • B65B21/00—Packaging or unpacking of bottles
    • B65B21/24—Enclosing bottles in wrappers
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/144—Closing paperboard containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00135—Wrapper locking means integral with the wrapper
    • B65D2571/00141—Wrapper locking means integral with the wrapper glued
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00216—Wrapper locking means non integral with the wrapper
    • B65D2571/00228—Interlocking members
    • B65D2571/00234—Staples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00246—Locating elements for the contents
    • B65D2571/00253—Locating elements for the contents integral with the wrapper
    • B65D2571/00277—Slits or openings formed along a fold line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00438—Holes
    • B65D2571/00444—Holes for fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00648—Elements used to form the wrapper
    • B65D2571/00654—Blanks
    • B65D2571/0066—Blanks formed from one single sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00709—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element
    • B65D2571/00716—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular without end walls

Definitions

  • the present invention relates to a packaging unit, a method for producing packaging units and a packaging device according to the features of the independent claims.
  • beverage containers There are different types of packaging for the processing, assembly, grouping and packaging of articles such as beverage containers, for example the combination of articles or containers into portable, relatively handy packaging units or bundle units.
  • beverage containers are usually combined and packaged using shrink films to form bundles of four, six or more containers.
  • the production of containers is usually unavoidable, as they represent the most common variant of sales units for beverage containers or bottles made of PET plastic. Some of the containers are combined again for transport and/or put together in layers and palletized.
  • a variant in which the use of shrink film can generally be dispensed with is the so-called strapped bundle.
  • the containers are combined into a bundle and connected to one another by means of so-called straps.
  • strapping machines that work continuously or in cycles, containers, articles or bottles are grouped into formations and then strapped with one or more straps using strapping units.
  • Typical formations may include 1 x 2 arrays (two vessels in a row), 2 x 2 arrays (four vessels squared or in diamond formation), 3 x 2, 4 x 3 or, in principle, also variable nx m arrangements.
  • the present invention relates in particular to the formation of packaging units in which at least two articles, preferably bottles, are combined by an outer packaging made of paper or cardboard.
  • OTO over-the-top-open
  • the outer packaging material is arranged partially overlapping on the upper side and sealed with adhesive tape or hot glue.
  • the object of the invention is to combine articles arranged in a single row securely and firmly in a visually appealing outer packaging.
  • a packaging unit comprises at least two articles which are arranged in a row, the articles arranged in a single row being partially combined by an outer packaging made of an outer packaging material.
  • the items are preferably beverage containers, in particular bottles made of glass, PET or another suitable plastic, cans made of plastic and/or aluminum or the like.
  • other suitable items can also be combined in a corresponding outer packaging as packaging units or bundles will. So-called mixed bundles can be created by putting together differently designed articles.
  • the outer packaging is preferably formed from an outer packaging material made of paper material or cardboard material.
  • the outer packaging material is particularly preferably a pure paper material or cardboard material that does not contain any plastic components, as a result of which packaging units can be produced in a particularly environmentally friendly manner.
  • the packaging device described below can also be used to process an outer packaging material with a plastic content, for example to process a plastic-coated paper material or cardboard material, a paper-plastic composite material or the like.
  • the outer packaging has four so-called sides. Two first opposing sides of the packaging unit are formed by outer packaging material. So-called second sides of the packaging unit are formed between the two first sides. No packaging material is provided in this area, so that the second sides are each formed by outer lateral surfaces of the respective end articles of one row.
  • One of the two first sides comprises at least a first area of the outer packaging material, which is arranged overlapping with a second area of the outer packaging material and is at least partially fixed thereto, which second area is formed by an edge area of the outer packaging material.
  • the second region is formed by a portion of the overwrap material forming an extension of the first side opposite the side having the first region. The extension of the overwrap material is appropriately folded over to contact the first portion so that the extended portion is located in a different plane than the first side, the extension of which forms the first edge portion.
  • a preferred embodiment provides that the first area and the second area are each associated with an upper side edge of the packaging unit.
  • the outer packaging preferably consists of a one-piece blank which is wrapped around the articles in such a way that a lateral overlapping area is created between the first area and the second area in the upper area.
  • the overlap can be designed in such a way that the first area forms the outside of the packaging unit, i.e. the second area is arranged between the articles and the first area.
  • the overlap can be formed in such a way that the second area in the overlapping area forms the outside of the packaging unit, i.e. the first area is arranged between the articles and the second area.
  • An alternative embodiment can provide for the lateral overlap to be arranged and formed in a lower area near the bottom area of the articles.
  • the overlapping area offers sufficient surface for a connection of the overlapping surfaces of the outer packaging material by means of an adhesive connection or by means of other suitable fastening means, for example metal clips.
  • suitable fastening means for example metal clips.
  • the outer packaging material is arranged around the articles under tension or pretension, in particular the outer packaging material is tensioned when the outer packaging material is closed when the second area is fixed to the first area in order to produce a stable packaging unit.
  • At least one holding element for positioning and fixing at least one article can be provided in the outer packaging material, for example at least one access opening, with the at least one article being arranged to engage in the access opening in some areas.
  • the outer packaging material is arranged around the articles in such a way that at least one article reaches partially through the at least one access opening. This determines the position of at least one article within the outer packaging. In particular, this prevents the at least one article from falling out of the packaging unit at the side.
  • the outer packaging can also have carrying elements, for example so-called carrying handle openings can be formed on the outer packaging, through which the consumer can put his fingers in order to grip and carry the packaging unit.
  • these mentioned problems could arise because in conventional OTO packages the overlap of the packaging material is formed on the top of the package and the overlapping layers of the packaging material on the top are fixed to each other by gluing.
  • An OTO packaging that groups articles arranged in a single row has only a small width on the top.
  • the overlapping area for an adhesive bond on the upper side would therefore be relatively small, resulting in the risk of adhesive escaping to the side and causing the packaging machine to become soiled and unclean Training of the packaging unit can lead.
  • reach-through openings are formed as holding elements at least partially within the top side or adjacent to the top side, the width of the overlapping areas of outer packaging material is further reduced, which further aggravates the problems mentioned.
  • an outer packaging of a packaging unit consists of a one-piece blank made of cardboard or a similar material.
  • the blank is wrapped around the items in such a way that there is a lateral overlap in the upper area. This area offers sufficient space for gluing the overlapping surfaces.
  • connection using metal, plastic or wooden clips is also conceivable.
  • the side panel When overlapping, the side panel can sit either on the flap coming from above or under the flap coming from above.
  • the overlap can be at the top of the side flap, particularly in the case of bottles at the level of the closure, or at the bottom, i.e. in the case of bottles at the level of the bottom of the bottle.
  • holding elements are provided at at least two points, which prevent the articles from falling out of the outer packaging at the side.
  • a lever effect is used to tension the outer packaging during sealing in order to increase the stability of the packaging unit.
  • the packaging unit according to the invention is very suitable for machine processing. The result is a simple, visually appealing packaging.
  • the invention further relates to a method and a packaging device for producing packaging units, in particular packaging units described above.
  • the packaging device is designed in particular so that the packaging units can be produced within it using the method described below.
  • At least two articles are divided into article assemblies and arranged in a row.
  • the division and/or assembly takes place, for example, in a division module of a packaging device according to the invention.
  • This dividing module (as well as the handling and/or processing modules arranged downstream of it according to the following description) can optionally be one of several dividing modules which can be present in particular in several processing lines of the packaging device.
  • the packaging device can optionally also have only one such processing line with the modules arranged one after the other in the transport direction of the articles or article assemblies to be processed.
  • the articles of the article assembly are combined, for example in a first packaging module of the packaging device, by being partially wrapped by an outer packaging made of an outer packaging material, so that at least one edge area of the outer packaging material protrudes upwards over the articles. This edge area subsequently forms the second area of the packaging unit described above.
  • the edge area is folded over so that in the area of a first side of the packaging unit it at least partially overlaps with at least one other area of the outer packaging material.
  • the further area is a first area of a first side of the packaging unit, as described above.
  • the folded (second) edge area and the (first) further area are then fixed to one another.
  • the folding and fixing preferably takes place in a correspondingly designed second packaging module, which comprises a fastening device or to which a fastening device is assigned.
  • the packaging device comprises a movable closing unit with a plurality of pressing elements.
  • the second packaging module includes a corresponding closing unit.
  • the sealing unit is used in particular to fold the edge area of the outer packaging material, with the outer packaging material being brought into contact with the various pressing elements one after the other in chronological order by means of a defined movement profile of the sealing unit, as a result of which the edge area is folded in a targeted manner and arranged so that it overlaps with the first area of the opposite first side of the outer packaging material becomes.
  • the closing head comprises a plurality of cylinders and/or centering or pressing elements for the directed movement of the outer packaging material.
  • the capping head can preferably be assigned a guide frame which, in particular, comprises insertion rods and capping rods.
  • the fastening device is preferably designed as an adhesive application device which is arranged in front of or assigned to the second packaging module.
  • the fixing of the second area to the further area of the outer packaging material takes place at the same time as the folding of the edge area.
  • it is fixed by producing an adhesive bond, with an adhesive being applied to the edge area protruding upwards and/or to the other area of the outer packaging material, and the adhesive connection being made by pressing the folded edge area onto the other area of the outer packaging material or by pressing on the other area Area is made to the folded edge region of the outer packaging material.
  • One embodiment of the method provides, for example, the following sequence of movements of the closing head: First, the closing head and the guide frame are in a basic position.
  • the articles, which are partially wrapped with outer packaging material and are arranged in a single row, are first arranged in a transport direction in front of the closing head and the guide frame.
  • the outer packaging material is arranged on the articles so that it is open at the top; in particular, an edge area, which subsequently forms the overlap, projects upwards beyond the articles.
  • an adhesive is applied. This is applied, for example, to the side of the edge area that projects upwards, which faces the articles, or to the side of the first area of the first side, which faces away from the articles.
  • the still open packaging unit is guided past a gluing device, for example, or the gluing device is moved past the open packaging unit, or the gluing device is fed to the articles partially wrapped with outer packaging material for the application of the adhesive and then moved away again.
  • the open packaging unit prepared with adhesive is now inserted into the closing unit formed by the closing head and the guide frame.
  • the insertion bars and the locking bars of the guide frame are preferably in an upper position.
  • the upwardly open area of the overwrap material and/or the sides of the overwrap may already be slightly pre-curved inwards at this point.
  • the guide frame with the insertion rods and the sealing rods is moved down. This will further bend the overwrap material at the top of the sides inwards towards the items.
  • a defined folding of the edge area is now brought about by a defined sequence of movements of the closing head. It can be provided that the capping head follows a curve or a sequence of linear movements. In this case, the edge area protruding upwards is first pre-bent by a pre-folding element and then bent down.
  • the edge area is bent downwards by a downward movement of the capping head.
  • the outer packaging material can have a prepared crease or perforation, which supports a controlled and clean folding. Folding over to the side and downward can also be supported by lateral pressing elements in the form of spring plates or the like.
  • a downward infeed movement presses an upper pressing element onto the outer packaging material arranged above the article, so that it rests on the upper side of the article.
  • the folded edge area is pressed against the first area by a lateral feed movement, for example of a further lateral pressing element, and an adhesive connection is thereby produced between the first area and the second area by means of the adhesive.
  • the lateral centering elements can already be moved apart again into a rest position.
  • the upper pressing element and the lateral pressing element or the lateral pressing elements are now moved back into a starting position.
  • the capping head is then moved upwards to release the finished packaging unit.
  • the guide frame can be moved upwards with a time delay or at the same time, in particular into the starting position.
  • the outer packaging material is also pulled in order to tighten it and, in particular, to avoid bulges on the blank.
  • the outer packaging material is tensioned by a lever effect in order to increase the stability of the packaging unit.
  • Figures 1A and 1B each show an embodiment of a packaging unit 30 according to the invention.
  • the articles 32 are arranged within the article assembly 31 in a single row with the articles 32 aligned with one another.
  • the overwrap 35 is preferably formed of or by an overwrap material 36, preferably formed of paper stock or paperboard stock, which partially encases the article assembly 31.
  • the outer packaging material 36 is preferably a pure paper or cardboard material that does not contain any plastic components, as a result of which packaging units 30 can be produced in a particularly environmentally friendly manner.
  • plastic-free packaging units 30 can be better recycled after their intended use, in particular in a pure paper and cardboard recycling cycle.
  • packaging device 1 or packaging system 1 shown below can also be used to process an outer packaging material 36 with a plastic component, for example to process a plastic-coated paper material or cardboard material, a paper-plastic composite material or the like.
  • the items 32 used for the item arrangement 31 of the packaging unit 30 can preferably be beverage containers, in particular bottles 33 made of mineral glass, plastic glass, PET or another suitable plastic material.
  • the articles 32 may also be beverage containers in the form of cans made of plastic and/or sheet metal such as aluminum or the like.
  • the packaging device is also suitable for combining other suitable articles in a corresponding outer packaging 35 as packaging units 30 or bundles.
  • At least two articles 32 of the same type are put together in a divider module or the like as an article group 31 and combined by means of outer packaging 35 to form sales units or packaging units 30 .
  • At least two different articles 32 can be put together in a divider module or the like as an article group 31 and combined into sales units or packaging units 30 by means of outer packaging 35 .
  • a divider module or the like as an article group 31 and combined into sales units or packaging units 30 by means of outer packaging 35 .
  • the outer packaging 35 preferably consists of a one-piece blank 37 made of cardboard or a similar material.
  • the outer packaging 35 can also consist of a one-piece blank 37 made of sufficiently stable paper material.
  • the blank 37 is wrapped around the articles 32 in such a way that mutually opposite edge regions of the blank 37 overlap, as a result of which a lateral overlapping region 40 arises or can arise, particularly in the upper region.
  • the lateral overlapping area 40 can provide sufficient area or sufficiently large areas for a connection of the outer packaging material 37 by means of an adhesive connection 41 .
  • fastening means 42 in the form of metal clips 43, plastic clips or wooden clips being possible, for example.
  • fastening means in the form of metal clips 43, plastic clips or wooden clips being possible, for example.
  • welded connections would also be conceivable as fastening means.
  • the overlap 40 can be designed in such a way that the outer packaging material 36, which forms one side 38 of the outer packaging 35, is arranged on the flap 39 of the outer packaging material coming from above ( Figure 1A ) or is arranged under the flap 39 coming from above ( Figure 1B ).
  • first opposite sides 38-1 of the packaging unit 30 can be formed by outer packaging material 36, while the other two opposite sides of the packaging unit 30, which are referred to below as second sides 38-2, are each formed by terminal articles 32 of one row are.
  • One of the first sides 38-1 comprises at least a first area of the outer packaging material 36, which is arranged so that it overlaps a second area of the outer packaging material 38 and is at least partially fixed to it, which second area is formed by an edge area of the outer packaging material 36, in particular an edge area, which forms an extension of the oppositely arranged first side 38-1.
  • This edge area is also referred to as an overlapping flap 39 .
  • An alternative embodiment, not shown here, can provide for the lateral overlap 40 to be arranged and formed in a lower area near the bottom area of the articles 32 .
  • holding elements 45 are shown.
  • the holding elements 45 are formed in particular by reach-through openings 46 in the outer packaging material 36, as is shown here.
  • the outer packaging material 36 is arranged around the articles 32 in such a way that the articles 32 partially pass through these access openings 46 .
  • the articles 32 are fixed in their position within the outer packaging 35 and, in particular, the articles 32 are prevented from falling out of the packaging unit 30 at the side.
  • the schematic and perspective view of the Figure 1B also shows so-called handle openings 50 through which the consumer can put his fingers in order to grasp and carry the packaging unit 30.
  • Such carrying handle openings 50 are used in particular for easier handling and carrying the packaging units 30 with one hand in the finished and/or ready-to-sell state.
  • the present invention is also intended to encompass a wide range of other design variants of such carrying handle elements, which do not have to be in the form of reach-through or carrying handle openings 50, but can also include, for example, carrying handles, carrying loops or other carrying handle-like constructions.
  • the outer packaging material 36 is preferably tensioned when the outer packaging material 36 is closed in order to produce a stable packaging unit 30, in particular when the flap 39 and side 38 are fixed.
  • OTO over the top open
  • An OTO packaging for articles 32 arranged in a single row has only a small width on the upper side.
  • the overlapping area for an adhesive bond on the upper side would therefore be relatively small, which would result in the risk of adhesive escaping laterally and leading to contamination of the packaging machine and untidy formation of the packaging unit.
  • the width of the overlapping areas of packaging material would be further reduced, in particular if access openings were formed as holding elements at least partially within the top side or adjacent to the top side.
  • the 2 shows a schematic view of an embodiment of a packaging system 1.
  • the Figures 3 to 5 show different perspective views of a first embodiment of a closure unit 10 for producing packaging units 30, while the Figures 6 to 14 illustrate the timing of producing a packaging unit 30.
  • At least two articles 32 are put together as a single-row arrangement of articles 31 in a divider module 2 and at least partially wrapped with the outer packaging material 36 in an outer packaging module 3, with the underside of the articles 32 and two opposite outer lateral surfaces of the articles 32 being covered by outer packaging material 36.
  • it can be a packaging module in which the outer packaging material 36 is prepared, for example by folding the two side areas, and then the single-row article arrangement 31 is inserted into the correspondingly prepared outer packaging material 36 .
  • the packaging unit 30* prepared in this way and still open at the top is fed to a closing module 5.
  • the lateral overlapping area 40 is formed in this, and the layers of the outer packaging material 36 overlapping in the overlapping area 40 are glued to one another.
  • the closing module 5 can in particular comprise a closing unit 10, as shown in FIGS Figures 3 to 16 shown and described below.
  • Closing unit 10 includes, in particular, a closing head 11 (sometimes also referred to as a closing head in the present context) and a guide frame 12.
  • Closing module 5 also includes an adhesive device 6 for forming an adhesive bond 41 between the layers of outer packaging material 36 that overlap laterally in overlapping area 40.
  • the capping head 11 comprises a plurality of cylinders (cf. 4 ) and/or centering or pressing elements (cf. figure 5 ) for the directed movement of the outer packaging material 26.
  • the capping head 11 can include a first cylinder 15 for centering elements 16, which are arranged via a linear guide 21 so that they can be advanced towards one another.
  • a second cylinder 17 is preferably provided for upper pressing elements 23 whose movement is limited by an upper stop element 18 .
  • a preferably present third cylinder 19 is in operative connection with lateral pressing elements 22 whose movement is limited by a lateral stop element 20 .
  • the lateral pressing elements 22 are formed in particular by spring plates 24 .
  • the closing head 11 preferably comprises a pre-folding element 25, referred to here as such.
  • the capper head 11 and the guide frame 12 which in particular comprises so-called insertion rods 13 and capping rods, are located in a basic position.
  • the articles 32 arranged in a single row and partially wrapped with outer packaging material 36 are arranged in front of the closing head 11 and the guide frame 12 in a transport direction.
  • the outer packaging material 36 is arranged on the articles 32 so that it is open at the top, so that in particular an open packaging unit 30* is formed.
  • an adhesive 44 is applied.
  • the adhesive 44 is applied either outside to the inside overlapping flap 39 and/or inside to the corresponding overlapping area 40 of the side 38 .
  • the adhesive 44 is applied to the inside of the outside overlapping flap 39 or outside to the corresponding overlap area 40 of the side 38.
  • the open packaging unit 30* is guided past the gluing device 6, for example, or the gluing device 6 is moved past the packaging unit 30*, or the gluing device 6 is fed to the articles 32 partially wrapped with outer packaging material 36 for the application of the adhesive 44 and then again moved away.
  • the open packaging unit 30* prepared in this way with adhesive 44 is now moved into or into the closing unit 10 (cf. 6 ).
  • the insertion rods 13 and the closing rods 14 of the guide frame 12 are preferably in an upper position.
  • the upwardly open area of the outer packaging material 36 and/or the sides of the outer packaging 35 can already be slightly pre-bent inwards.
  • the packaging unit 30* stops in a desired position.
  • the guide frame 12 with the insertion rods 13 and the sealing rods 14 is moved downwards, resulting in 7 represented by the downward pointing arrow (to the right of guide frame 12).
  • a corresponding drive (not shown) to be assigned to the guide frame 12 .
  • the outer packaging material 36 is bent further inwards in the area of the sides 38 .
  • this method step and the subsequent method step can at least partially overlap in terms of time.
  • the capper head 11 moves down (cf. 10 ), whereby the area applied with adhesive 44 is bent downwards (cf. 11 ).
  • a prepared fold or perforation is provided in the blank 37 of the outer packaging material 36, which supports controlled and clean folding.
  • the spring plates 24 (cf. figure 5 ) formed lateral pressing elements 22 take over the buckling work of the pre-folding element 25.
  • the capping head 11 is now in its lowest working position within the capping module 5 .
  • the centering elements 16 now move together as far as they will go in order to align the pages correctly, in particular to align them in an X-direction (cf. 3 ) to be arranged congruently. Furthermore, the closing head 11 makes small infeed movements in the Y-direction in order to position the left longer side 38L on the articles 32.
  • the outer packaging material 36 is pressed onto the upper side of the article by a downward infeed movement of the upper pressing element 23 .
  • the lateral pressing element 22 with the spring plates 24 is pressed against the tab 39 which has been applied with adhesive 44 and bent over, in order to produce the adhesive connection 42 .
  • the lateral centering elements 16 can already be moved apart again into a rest position.
  • the upper pressing element 23 and the lateral pressing element 22 are then moved back into an initial position.
  • the capper head 11 makes small movements in a positive Y-direction.
  • the closing head 11 is then moved upwards until the packaging unit 30 is free.
  • the guide frame 12 with the insertion rods 13 can be moved upwards with a time delay or at the same time (cf. Figures 12 to 14 ).
  • the closing head 11 and/or the guide frame 12 are in particular moved into an initial position and can now process a new, open packaging unit 30*, while the finished packaging unit 30 is fed for further handling, for example a palletizing device or the like.
  • the blank 37 is pulled from left to right during the entire closing process in order to achieve tightening and in particular to avoid bulges on or distortions in the blank 37 .
  • the positioning of the blank 37 on the articles 32 is determined, first pressing the longer side 38L, then pressing the area arranged above the articles 32 and finally pressing the tab 39 with the adhesive 44 .
  • the outer packaging material 36 is tensioned by a lever effect in order to increase the stability of the packaging unit 30 .
  • the closing head 11 can also be operated in parallelized form when using multiple lanes, as is shown in FIGS Figures 15 and 16 is shown as an example.
  • two or more capping heads 11 can be arranged next to one another and/or next to one another or coupled to one another and moved synchronously by a robot.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP21202146.3A 2020-11-19 2021-10-12 Unité d'emballage, procédé de fabrication d'unités d'emballage et dispositif d'emballage Pending EP4001132A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020130642.3A DE102020130642A1 (de) 2020-11-19 2020-11-19 Verpackungseinheit, Verfahren zur Herstellung von Verpackungseinheiten und Verpackungsvorrichtung

Publications (1)

Publication Number Publication Date
EP4001132A1 true EP4001132A1 (fr) 2022-05-25

Family

ID=78087287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21202146.3A Pending EP4001132A1 (fr) 2020-11-19 2021-10-12 Unité d'emballage, procédé de fabrication d'unités d'emballage et dispositif d'emballage

Country Status (3)

Country Link
EP (1) EP4001132A1 (fr)
CN (1) CN216187640U (fr)
DE (1) DE102020130642A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931152A (en) * 1958-06-30 1960-04-05 Fed Paper Board Co Inc Can packaging machine
US3108414A (en) * 1961-03-23 1963-10-29 Andre Matic Machinery Company Multi-container packaging apparatus and method
US3387428A (en) * 1966-02-25 1968-06-11 Weyerhaeuser Co Packaging machine
DE202014001601U1 (de) * 2014-02-19 2014-04-17 H. Hahn Modell- Formen- und Vorrichtungsbau GmbH Flaschenträger aus Kartonmaterial als "Über Krone"-Verpackungseinheit ohne Verwendung von Bindungsmittel mit hoher Tragestabilitätseigenschaft

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254470A (en) 1962-10-30 1966-06-07 Weyerhaeuser Co Machine for packaging articles
DE3435482A1 (de) 1984-09-27 1986-04-10 Schäfer & Flottmann GmbH & Co KG, 5820 Gevelsberg Verfahren und vorrichtung zum verpacken von packgut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931152A (en) * 1958-06-30 1960-04-05 Fed Paper Board Co Inc Can packaging machine
US3108414A (en) * 1961-03-23 1963-10-29 Andre Matic Machinery Company Multi-container packaging apparatus and method
US3387428A (en) * 1966-02-25 1968-06-11 Weyerhaeuser Co Packaging machine
DE202014001601U1 (de) * 2014-02-19 2014-04-17 H. Hahn Modell- Formen- und Vorrichtungsbau GmbH Flaschenträger aus Kartonmaterial als "Über Krone"-Verpackungseinheit ohne Verwendung von Bindungsmittel mit hoher Tragestabilitätseigenschaft

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CN216187640U (zh) 2022-04-05

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