EP2036818B1 - Verfahren zum Herstellen einer palettenlosen Verpackungseinheit - Google Patents

Verfahren zum Herstellen einer palettenlosen Verpackungseinheit Download PDF

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Publication number
EP2036818B1
EP2036818B1 EP07023274A EP07023274A EP2036818B1 EP 2036818 B1 EP2036818 B1 EP 2036818B1 EP 07023274 A EP07023274 A EP 07023274A EP 07023274 A EP07023274 A EP 07023274A EP 2036818 B1 EP2036818 B1 EP 2036818B1
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EP
European Patent Office
Prior art keywords
film
stack
product stack
engagement regions
holding layer
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
EP07023274A
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German (de)
English (en)
French (fr)
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EP2036818A1 (de
Inventor
Peter Aka
Richard Birkenfeld
Norbert Frenzel
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.)
Maschinenfabrik Moellers GmbH
Original Assignee
Maschinenfabrik Moellers GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39276186&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2036818(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Moellers GmbH filed Critical Maschinenfabrik Moellers GmbH
Priority to DE202007018783U priority Critical patent/DE202007018783U1/de
Priority to EP07023274A priority patent/EP2036818B1/de
Priority to DK07023274.9T priority patent/DK2036818T3/da
Priority to PCT/EP2008/010092 priority patent/WO2009068294A1/de
Priority to RU2010121263/13A priority patent/RU2464209C2/ru
Priority to CN2008801184950A priority patent/CN101903251B/zh
Publication of EP2036818A1 publication Critical patent/EP2036818A1/de
Publication of EP2036818B1 publication Critical patent/EP2036818B1/de
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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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
    • B65B9/135—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state for palletised loads

Definitions

  • the present invention relates to a method for producing a palletless packaging unit comprising a plurality of packaging items stacked in a stack, in which the packaging items are stacked in such a way that at least two engagement areas for fork legs of a lift truck are formed in at least one stack level, the stack at least with its engagement region a first film is wrapped, the unilaterally wrapped good pile is turned so that the engaging portions having portion of the stack comes down and the stack is wrapped with a preferably extending into the engagement areas second film.
  • a generic method is for example from the DE 39 41 139 A1 , or the DE 38 32 557 A1 known.
  • a dimensionally stable element is applied in the engagement regions before the application of the first film.
  • pressing elements are moved into the engagement regions on both sides for forming the engagement regions, so that the first foil follows the contour of the engagement regions through a connection between the dimensionally stable element and the first foil.
  • the stack is turned by 180 ° and the second film pulled over the stack. In this case, the second film is pulled so far over the lower edge of a lowermost normal layer of the stack, that when relaxing the film this essentially applies to horizontal engagement surfaces of the engagement areas.
  • the EP 0 461 564 A1 teaches the double-layered form the film material at the bottom of the stack to avoid perforation by a provided under the stack of goods pallet.
  • a first and a second lowered position of the film material spanning the cover when refining are inserted.
  • the refining fingers are located under the stack or in the area of the pallet supporting the stack.
  • the refiners take a second lowered position under the drive of the reefers associated with the reefing rollers to disengage the foil from the reefers.
  • a two-ply film loop is formed by the film itself.
  • the present invention is based on the problem of specifying an improved method for producing a palletless packaging unit.
  • the present invention is in particular the object of specifying a method in which the engaging portions of the wrapped stock pile can be made available for the intervention of fork legs of a lift truck, without the risk that these fork legs destroy the film material.
  • the present invention proposes a method having the features of claim 1.
  • the engagement areas are usually formed by a so-called special situation, which is stacked differently from the normal layers of the stack and has a smaller footprint than this.
  • the special situation In the case of identically dimensioned packaging items which form the stack of goods, for example bags filled with bulk goods, the special situation has fewer packaging items than the normal position.
  • a plurality of special layers can also be stacked on top of one another, resulting in an engagement region with a larger engagement height.
  • the second film is pulled over the stack so that it ends at the level of the engagement areas.
  • the second film is pulled over the stack so that it interferes little with the procedure.
  • the second sheet material is dispensed in the engagement areas at the end of the coating process, i. actively enabled by driving Refresh Refffollers associated with these Refreshes.
  • the film material of the second film is accordingly supplied to the level of the engagement regions. Due to the hoop stress with which the second film is applied to the stack, the material of the first film and / or the holding layer, which initially bridges substantially tangentially two outer edges of the stack, is forced inward in the engagement regions, so that the original contour of the stack of goods Also on the outside of the film webs is recovered.
  • the feeding of increased material of the second film into the edge-side engagement areas means that they are more easily accessible to the fork legs of a lift truck without destroying the film material.
  • the first and the second film is formed from the same tube.
  • This can be the identical tube, provided that the stack to be wrapped is coated after turning at that position with the second film on which it has also been coated with the first film.
  • the first film on the outside and / or the second film on the inside can be provided with a bonding agent and / or with a friction-increasing surface, so that the sections of the two films provided in the overlapping region of the first and second films interlock with one another and / or or cling to each other.
  • the packaging unit To increase the strength of the packaging unit, in particular during transport, it is proposed according to a further preferred embodiment of the present invention to place a holding position on the stack before wrapping the stack with the first film, in such a way that this holding position, the engagement areas and adjacent thereto provided packaging items covered.
  • the wrapped packaging unit is reinforced after completion by the holding position in particular adjacent to and over the engagement areas, so that when lifting the stack of goods through the lift truck sagging of layers of the stack between the fork legs or laterally past individual fork legs is effectively prevented.
  • the engaging portions should be immediately adjacent to opposite longitudinal sides of the stack, so provided on opposite edges of the stack, so that the fork legs of a lift truck can be passed past both sides of the stack and by successive closing of the fork legs only in the engagement areas and can be brought under the first film and the holding position.
  • the introduction of the fork legs is therefore essentially without destruction of the films by lateral approach, ie closing the fork legs towards each other.
  • a holding layer can be formed from a fabric-reinforced film web.
  • the holding layer may be formed from a web reinforced with a grid structure.
  • the grid structure may be a permeable grid structure in this preferred development. The individual strands of the grid act as traction tendrils which stiffen the bottom of the packaging unit.
  • the holding layer may consist of a plastic film material, cardboard, or a knitted fabric. Also, tabular elements made of wood or metal or plastic are suitable for the formation of the retaining layer.
  • means may be provided at the phase boundary between the holding layer and the first film web, which promote an intimate bond between the two film webs.
  • an adhesive bond between the holding position and the first film web can be realized.
  • the first and / or the second film is welded off before wrapping the stack to form a hood and separated from a strand of the first and / or the second film supplying the film material, can by dimensional design of the film relative to the base of the stack and proper process management when coating the stack on the bottom later, ie the top when coating the first film, a certain tension of the film material can be achieved, which leads to an improved connection between the retaining layer and the first sheet material. If the retaining layer has a profiled lattice structure, this can be pressed into the film material of the first film by sufficient clamping of the first film on the upper side of the material stack and thus anchored therein.
  • the holding position for example, when the stacked stack of goods and introduction into a first workstation, where the stack is wrapped with the first film, are placed on the top of the engaging areas.
  • a hanging down holding position can be taken from the horizontally moving stack and after subtracting a desired length of a continuous strand fed the film web can be cut from this strand. It is desirable in this case to have a method guide in which the holding layer not only covers the upper side of the stack of goods when the first film is coated, but also extends at least a little beyond the adjacent, mutually opposite side walls of the stack.
  • the subsequent coating at least with the first film leads to the fact that the voltage applied to the side wall of the stack of goods length portions of the holding position are pressed against them, so that the holding position is additionally fixed relative to the stack.
  • the holding function of the holding position is further improved, which ensures that individual packaging items of the finished packaged packaging unit does not sag when lifting down.
  • a short hose hood can be applied under elastic elongation to the stack, whereby the stack is reinforced in the region of its later underside by a stretch hood.
  • This short hose cover usually extends two to four layers over the stack, but does not extend over the entire height of the same.
  • the short tube cap is preferably formed from the film material of the first film to simplify the process, so that the short tube cap and formed by the first film, usually the entire stack of high-covering hose hood manufactured with the same device and pulled at the same station on the stack can be.
  • the holding position can be placed before and / or during or after the stacking of the stack or completely or partially disposed between different layers of the stack to fix the holding position within the stack of goods. It is also conceivable to first apply the special position to a holding position, to transfer the holding position over the single or the highest special layer and then to stack the normal layers. The stacked stack is then rotated 180 ° and covered with the first film. After rotating again by 180 °, the stack is then covered with the second film.
  • a soil reinforcement can be placed on the stack before coating the first film.
  • This floor reinforcement can be formed, for example, from cardboard, a foil or a panel made of plastic, wood or metal and will be used in particular when the stacks of goods are pushed upright when being folded on the later underside.
  • the soil reinforcement protects the bottom layer of the finished pile of goods during transport and when handling against damage.
  • the bottom reinforcement may also have a certain rigidity, and thus form a basically rigid bottom.
  • the first film is drawn from the upper side comprising the engagement regions to the region of the underside of the product stack above it.
  • the first film surrounding the engaging regions and held there is fixed over the entire height of the product stack, so that there is no risk of the first film slipping off the product stack in the longitudinal direction when it is lifted by the lift truck and moving as a result, packaging objects of the lowermost layer move gravity direction and want to break out of the stacked composite.
  • the second film is drawn substantially over the entire stack of goods after turning, so that the second film applies to the elastic stack against the peripheral surface of the stack with the interposition of the first sheet against the stack and the first Film additionally fixed. In this case, the second film should cover after turning now lying on top of the bottom of the stack, so that the stack is covered by the elastic against the stack of fabric hose hood on the top side and protected against the ingress of dirt and moisture.
  • the sheet material is supplied while a film deflecting the upper edge of the refining fingers is stationary at the upper end of the engagement areas, i. at the point where the highest special situation ends.
  • the supplied sheet material is conveyed directly under the lowest normal position, so that the first tangentially extending between two edges of the stack material of the first sheet or the holding position moves in the corner of the stack and the stack is then contour contoured enveloped by the slides.
  • the first and / or the second film or the short hose hood with an elastic circumferential extent of at least 50%, preferably of at least 70% based on the unstretched circumference of the tubular film is applied to the stack. Envisaged are circumferential strains of up to 150%, whereby a tight and compact packaging unit is obtained.
  • FIG. 1 shows an embodiment of a stack of goods 2 with several summarized in a stack level packaging items 4, which should be formed in the present case by cement bags.
  • a stack level packaging items 4 On top of each other several levels of packaging items 4 are stacked.
  • Each stack level has in the normal layers 5, the same number of packaging items 4, so that there is a substantially cuboid stack 2.
  • Only the upper layer is designed as a special layer 7 and has fewer packaging items 4, so that at the edge of the stack of goods between the top 6 and opposite side surfaces 8 engagement portions 10 are formed, which extend at right angles to the plane of the drawing parallel to the side surfaces 8, over the entire depth of the stack 2.
  • the width of the Engaging portions 10, that is, the distance between the side surface 8 and the parallel thereto extending side surface of the upper packaging items 4.1; 4.2 is chosen so that the fork legs of a lift truck can be driven almost or completely under the normal layers 5 of the stack 2 and thus in the engaging portions 10.
  • the stacked stack 2 is driven for example via a conveyor line, such as a conveyor belt in the direction of a hood stretcher (see. EP 1 013 549 ).
  • a conveyor line such as a conveyor belt
  • hood Stretcher On the way to the hood Stretcher will - like FIG. 2 clarified - a Garlage 12 placed on the top 6.
  • the length of the retaining layer 12 is dimensioned such that a flat layer forming the retaining layer 12 lies both on the upper side 6 and partly along the side surfaces 8.
  • the retaining layer 12 is located at FIG. 2 in a state loosely placed on the stack 2.
  • a hood stretcher is now formed in a conventional manner by cutting an endlessly conveyed tubing, end-side welding and cutting a length of the tubing a hose hood of a first film 14, which is first reefed and elastically stretched by moving apart of refiners in the circumferential direction, ie is stretched , And to a circumference that is greater than the base of the stack 2.
  • This transversely stretched tubular hood is now applied by subtracting the refusers first on the top 6 and then on the side surfaces 8 of the stack 2 at relative movement between the refusers and the stack 2 in the height direction of the stack 2. Usually, the Refffinger be lowered. Thereafter, the stack 2 is wrapped on one side of the first sheet 14 and covered on the top. The cover takes place with the interposition of the holding layer 12.
  • the first film 14 lays against the peripheral walls of the stack 2, ie the side surfaces 8 and thus pushes the web of the holding layer 12 against the stack 2 (see. Fig. 3 ).
  • the retaining layer 12 has a dimension in the depth direction of the stack 2 substantially corresponding to the depth of the stack of goods.
  • the front and rear edges of the retaining layer 12 extend substantially parallel to the front and back of the stack 2, ie those side surfaces which form the periphery of the stack 2 and extend at right angles to the marked in the drawing by 8 reference side surfaces.
  • the one-sided wrapped and identified by reference numeral 16 good stack is turned so that when placing the holding layer 12 and the coating of the first film 14, the top 6 forming surface now forms the bottom 18 of the stack 16 and down is located (cf. FIG. 4 ).
  • the one-sided wrapped good stack is usually fed via a transport route a hood stretcher. This can be the hood stretcher, which has pulled the first film 14 as a hose hood over the stack 2.
  • a second film 20 is also pulled as a hose cover over the one-sided wrapped stack 16, in such a way that the second film 20 hangs on the first cover the bottom 22 forming surface of the stack 2 and also at the circumferential walls 8 of the stack 2 at least under horizontal bias applies, with the interposition of the first film 14, so that there is a marked with reference numeral 24 finished packaging unit.
  • the first sheet 14 the retaining layer 12 against the side surfaces 8 of the stack of goods 2.
  • the first sheet 14 is fixed relative to the stack 2 by the second film 20 and its circumferential elastic strain when applied to the stack 2.
  • the second film is sufficient in the first embodiment of the FIGS. 1 to 5 up to the lowest normal position 5.
  • the fork legs of a lift truck are usually first led past the side of the stack 2 and then fed through each other laterally into the engaging portions 10. In this case, the material of the first film 14 can be pushed inwards.
  • the present invention is not limited to the embodiment shown. Thus, special means may be used to deform the first film 14 and / or the retaining layer 12 in the engagement regions 10 and apply it close to the good stack 2. For this purpose, the film material can be mechanically connected to the stack.
  • the stack 2 is stacked with six normal layers 5 of packaging objects 4 first.
  • the retaining layer 12 is applied to the top of the stack 2 (see. FIG. 7 ).
  • the special layer 7 comprising the packaging items 4.1 and 4.2 is stacked on the top of the stack 2 with the interposition of the holding layer 12.
  • only a special situation 7 is formed.
  • two, regularly formed with identical base area special layers can be provided one above the other.
  • ready stacked stack 2 is now wrapped with the first film 14, which is applied under elastic circumferential expansion of the stack.
  • the first film 14 can in this case also be applied with a certain longitudinal extension to the stack in order to clamp it in the longitudinal direction and in the circumferential direction by elastic expansion portions of the first film 14.
  • FIG. 9 shown unilaterally wrapped stack 2 is now rotated by 180 ° (see. FIG. 10 ). Thereafter, the second film 20 is pulled over the stack 2 and possibly also applied with elastic elongation at a certain longitudinal extension of the stack.
  • FIGS. 12 and 13 clarify - the material of the second film 20 in the manner of a collar in several closely juxtaposed, possibly also superimposed film folds introduced into corner regions 26 between the special layer 7 and the lowest normal position 5 by the special layer 7 superior packaging items 4 of the lowest normal position. 5 are formed.
  • the coating movement is stopped for this purpose, when refining fingers 28 of a device (not shown in detail) for clamping and covering the hose cover are located above the stack of goods 2 at the upper end of the engagement regions 10.
  • Refreshers 30 associated with the refiners 28 are now driven to release the remaining material of the second film 20 from the refining finger 28 and feed it to the corner region 26.
  • the beginning of this process step is in FIG. 12 to recognize.
  • the second film 20 because of its circumferential expansion, wants to relax inwards and thereby urges the first film 14 in the corner region 26. Since the second film 20 is deposited in a plurality of layers in the corner region 26 (cf. FIG. 13 ), the hoop stress generated by the second foil 20 in the corner regions 26 becomes stronger than the tension of the first foil 14, which first extends between two edges 32, 34 of the stack 2, namely an edge 34, on the underside the rotated stack of goods 2 is formed, and an edge 32 which is formed by the lower edge of the first normal position 5 (see. FIG. 10 ).
  • the initially tangentially extending material of the first film 14 is accordingly applied to the good stack 2 between the two edges 32, 34 contour true by the hoop stress of the second film 20. This results in substantially rectangular engagement portions 10 for the fork legs of a lift truck (see. FIG. 13 ).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Packages (AREA)
EP07023274A 2007-11-30 2007-11-30 Verfahren zum Herstellen einer palettenlosen Verpackungseinheit Active EP2036818B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE202007018783U DE202007018783U1 (de) 2007-11-30 2007-11-30 Palettenlose Verpackungseinheit
EP07023274A EP2036818B1 (de) 2007-11-30 2007-11-30 Verfahren zum Herstellen einer palettenlosen Verpackungseinheit
DK07023274.9T DK2036818T3 (da) 2007-11-30 2007-11-30 Fremgangsmåde til fremstilling af en palleløs emballageenhed
RU2010121263/13A RU2464209C2 (ru) 2007-11-30 2008-11-27 Способ изготовления упаковочной единицы без поддона
PCT/EP2008/010092 WO2009068294A1 (de) 2007-11-30 2008-11-27 Verfahren zum herstellen einer palettenlosen verpackungseinheit
CN2008801184950A CN101903251B (zh) 2007-11-30 2008-11-27 用于生产无托板封装单元的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07023274A EP2036818B1 (de) 2007-11-30 2007-11-30 Verfahren zum Herstellen einer palettenlosen Verpackungseinheit

Publications (2)

Publication Number Publication Date
EP2036818A1 EP2036818A1 (de) 2009-03-18
EP2036818B1 true EP2036818B1 (de) 2011-05-25

Family

ID=39276186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07023274A Active EP2036818B1 (de) 2007-11-30 2007-11-30 Verfahren zum Herstellen einer palettenlosen Verpackungseinheit

Country Status (5)

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EP (1) EP2036818B1 (da)
CN (1) CN101903251B (da)
DK (1) DK2036818T3 (da)
RU (1) RU2464209C2 (da)
WO (1) WO2009068294A1 (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011010126A1 (de) * 2011-02-02 2012-08-02 Maschinenfabrik Möllers Gmbh Verfahren zum Herstellen einer palettenlosen Verpackungseinheit
RU2670151C1 (ru) * 2016-10-18 2018-10-18 Машиненфабрик Мёллерс Гмбх Способ изготовления бесподдонного упаковочного блока и упаковочный блок, изготовленный в соответствии с этим способом

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ES2594417T5 (es) * 2008-06-07 2023-05-03 Msk Emballage S A R L Dispositivo y procedimiento para calar una película tubular sobre una pila de productos
DE102009020454B3 (de) * 2009-05-08 2010-10-28 Maschinenfabrik Möllers Gmbh Verfahren und Vorrichtung zum Herstellen einer palettenlosen Verpackungseinheit und palettenlose Verpackungseinheit
DE102009052551A1 (de) 2009-11-10 2011-05-12 Maschinenfabrik Möllers Gmbh Verfahren und Vorrichtung zum Herstellen einer Verpackungseinheit
DE102010019282B4 (de) 2010-05-04 2019-06-19 Maschinenfabrik Möllers Gmbh Vorrichtung zum Herstellen einer Verpackungseinheit
DE102010019262A1 (de) 2010-05-04 2011-11-10 Maschinenfabrik Möllers Gmbh Vorrichtung zur Be- bzw. Entladung von Ladeeinheiten
DE102011103366B3 (de) 2011-06-03 2012-09-20 Maschinenfabrik Möllers Gmbh Verfahren und Vorrichtung zum Herstellen einer palettenlosen Verpackungseinheit
DE102011120459A1 (de) * 2011-12-07 2013-06-13 Beumer Gmbh & Co. Kg Verfahren zum Umhüllen eines Stückgutstapels und damit gebildete Verpackungseinheit
DE102014105936A1 (de) * 2014-04-28 2015-10-29 Windmöller & Hölscher Kg Verfahren für das Stapeln von gefüllten Säcken zu einem palettenfreien Sackstapel
DE102019216346A1 (de) * 2019-10-23 2021-04-29 Signode Industrial Group Llc Verfahren und Vorrichtung zum Verpacken eines Stapels von Gütern in einem schlauchförmigen Stretchfilm

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DE2626660A1 (de) * 1976-06-15 1977-12-29 Laessig Foerdertech Hamburg Verfahren und vorrichtung zur herstellung von palettenlosen, wasserdichten ladeeinheiten aus einzelstuecken, wie saecken o.dgl., sowie schutzverpackung hierfuer
DE2702613C2 (de) 1977-01-22 1985-04-11 Birkenfeld, Richard Verfahren zur Herstellung palettenloser Verpackungseinheiten
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DE3832557A1 (de) * 1988-09-24 1990-04-05 Beumer Maschf Bernhard Verfahren und vorrichtung zum bilden von mit kunststoffolie umhuellten verpackungseinheiten sowie hiermit hergestellte verpackungseinheit
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011010126A1 (de) * 2011-02-02 2012-08-02 Maschinenfabrik Möllers Gmbh Verfahren zum Herstellen einer palettenlosen Verpackungseinheit
DE102011010126B4 (de) * 2011-02-02 2013-01-17 Maschinenfabrik Möllers Gmbh Verfahren zum Herstellen einer palettenlosen Verpackungseinheit
RU2670151C1 (ru) * 2016-10-18 2018-10-18 Машиненфабрик Мёллерс Гмбх Способ изготовления бесподдонного упаковочного блока и упаковочный блок, изготовленный в соответствии с этим способом

Also Published As

Publication number Publication date
RU2010121263A (ru) 2012-01-10
EP2036818A1 (de) 2009-03-18
WO2009068294A1 (de) 2009-06-04
DK2036818T3 (da) 2011-08-29
CN101903251A (zh) 2010-12-01
RU2464209C2 (ru) 2012-10-20
CN101903251B (zh) 2013-01-16

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