EP3325374B1 - Flexible speichervorrichtung zum verpacken von festen teilchenförmigen stoffen oder flüssigkeiten, verfahren zur herstellung dieser vorrichtung und verpackungsverfahren unter verwendung dieser vorrichtung - Google Patents

Flexible speichervorrichtung zum verpacken von festen teilchenförmigen stoffen oder flüssigkeiten, verfahren zur herstellung dieser vorrichtung und verpackungsverfahren unter verwendung dieser vorrichtung Download PDF

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Publication number
EP3325374B1
EP3325374B1 EP16753955.0A EP16753955A EP3325374B1 EP 3325374 B1 EP3325374 B1 EP 3325374B1 EP 16753955 A EP16753955 A EP 16753955A EP 3325374 B1 EP3325374 B1 EP 3325374B1
Authority
EP
European Patent Office
Prior art keywords
envelope
container
side walls
polymer film
flexible
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
EP16753955.0A
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English (en)
French (fr)
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EP3325374A2 (de
Inventor
Bernard Chartrel
Nicolas Chevalier
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.)
So Bag
Roquette Freres SA
Original Assignee
So Bag
Roquette Freres SA
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 So Bag, Roquette Freres SA filed Critical So Bag
Priority to PL16753955T priority Critical patent/PL3325374T3/pl
Priority to RS20200788A priority patent/RS60491B1/sr
Publication of EP3325374A2 publication Critical patent/EP3325374A2/de
Application granted granted Critical
Publication of EP3325374B1 publication Critical patent/EP3325374B1/de
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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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1618—Flexible intermediate bulk containers [FIBC] double-walled or with linings
    • 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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1631—Flexible intermediate bulk containers [FIBC] with shape keeping flexible elements
    • 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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1643—Flexible intermediate bulk containers [FIBC] with multiple compartments
    • 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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/165—Flexible intermediate bulk containers [FIBC] with electrically conductive properties
    • 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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1656—Flexible intermediate bulk containers [FIBC] for liquids
    • 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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1668—Flexible intermediate bulk containers [FIBC] closures for top or bottom openings
    • 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
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1675—Lifting fittings
    • B65D88/1681—Flexible, e.g. loops, or reinforcements therefor

Definitions

  • the invention relates to a flexible storage device for packaging bulk solid materials.
  • the field of the invention is that of large containers, intended for the packaging of large quantities of particulate solid matter, also called FIBC bags (Large Flexible Bulk Container) or FIBC bags (from the English " Flexible Intermediate Bulk Container ”) .
  • FIBC bags Large Flexible Bulk Container
  • FIBC bags from the English " Flexible Intermediate Bulk Container ”
  • These storage devices have been known for many years and used for the protection, storage and transport of loose particulate materials such as food materials (sugar, flour, starch), polymer granules or chemicals.
  • These containers are conventionally made of polymer fiber fabrics (for example PP, HDPE, LLDPE), possibly made waterproof.
  • the capacity of these containers is generally between 0.5 and 2 m 3 .
  • the large size and mass of the containers, once filled, makes handling difficult, and in some cases dangerous.
  • the filled bags are stacked on several levels; it is therefore essential to ensure the stability over time of the stacks.
  • the particulate matter continues to settle and move in the container, thus deforming the flexible container in a position which very often deviates from the vertical, and which can go up to 'to cause imbalance.
  • These containers conventionally have a rectangular bottom, very often square, and rectangular vertical side walls, which should allow, when the bags are juxtaposed, an optimal filling of the available storage surface.
  • the pressure exerted by the particulate materials on the side walls deforms them towards the outside, the filled container deviating from its ideal, parallelepiped shape.
  • the footprint of the container is then greater than the dimensions of the rectangular or even square bottom.
  • flexible partitions vertical, internal to the storage volume of the container, connect the side walls together, and divide the storage volume into several vertical compartments, namely a central compartment and four peripheral compartments.
  • the edges of the partitions defining the upper mouth of the central compartment are positioned below the level of the upper edges of the side walls of the container so as to constitute overflows during filling.
  • the filling of such a container is carried out by pouring a stream of particulate material from above into the central compartment, the material first filling the central compartment, then by overflowing above the overflows, the peripheral compartments. .
  • the prior filling of the central compartment allows, by the pressure of the particulate material on its walls to stretch cleanly and uniformly the flexible partitions of the central compartment, and before the material spills into the peripheral compartments.
  • the stability over time of the container is significantly improved compared to a traditional container (without stabilizing element) in that it does not deviate from the vertical once placed on the ground, thus limiting the risks of tilting of the container. container.
  • the flexible partitions connecting the side walls (between them) limit the amplitude of the deformations of the side walls of the container towards the outside. The size of the filled container is improved, optimizing the storage capacities.
  • the flexible partitions of the stabilizing elements are, and like the walls of the flexible container, typically made of polymer fiber fabrics (for example PP, HDPE, LLDPE), possibly made more or less waterproof by coating or laminating.
  • polymer fiber fabrics for example PP, HDPE, LLDPE
  • the structure of the document storage device WO 92/14660 thus comprises a container constituting the bottom and the four side walls of the container, typically canvas.
  • Each side wall of the container is formed by two flexible halves, joined to each other by a vertical seam connecting their assembly edge, marked 23.
  • Each flexible half moreover, has at the upper corners of the container a hanging loop.
  • the four suspension loops of the device make it possible to lift the filled device, conventionally by means of a lifting system.
  • the internal stabilization element consists of a flexible tubular element, having four vertical seams, thus forming a flexible tube whose volume internal forms the central compartment, and four vertical bands, marked 7, distributed at 90 ° around said tube, intended to be fixed respectively to the four side walls of the bag.
  • each vertical edge of the strip 7 is sandwiched between the two assembly edges marked 23, and crossed by the same fixing seam.
  • the internal lining marked 28 in FIG. 9 internally covers the side, top and bottom walls of the container, forming a filling chute at its upper part, marked 34 and a discharge chute marked 35.
  • This internal lining necessarily includes four slots marked 29, each crossed by the corresponding vertical strip 7 which connects the central tube of the stabilization element to the corresponding side wall of the bag.
  • the insert is a flexible element, comprising an external envelope, covering the side walls of the bag, and can be provided, according to the embodiment of the figure 6 , of a filling spout marked 29, upper, and a discharge spout marked 30, lower.
  • the insert comprises an internal tubular element, including a tube (“ core 34 ”) internally forming the central vertical compartment, as well as fixing elements marked 25 (“ strip 25 ”), distributed around the tube, and fixed to the internal side walls of the external envelope.
  • the tube (“ core 34 ”), as well as the connecting elements 25 extend over the height of the container and divide the filling volume of the insert into the central compartment and the four peripheral compartments.
  • the filling of such a container is carried out by pouring a stream of particulate material from above, at the level of the central compartment, the material first filling the central compartment, then the peripheral compartments through holes 32, increasing dimensions over the height of the side wall of the tube.
  • the presence of holes marked 32 does not make it possible to obtain, like the containers of the documents cited above, good tension of the flexible walls forming the central compartment.
  • the tension is irregular on the height of the tube, giving rise to folds, extending over the height of the tube, which are then copied onto the wall of the outer envelope of the insert when the material fills the peripheral compartments. The filling of the container is therefore not optimal.
  • the central tube (“ core 34 ”) and the fixing elements (“ strips 25 ”) are produced from a flexible tubular element in one piece, by means of first welds, marked 36, at the level of the the proximal end of the fixing element 25, each delimiting one of the fixing elements, marked 25 of the internal tube, marked 34.
  • These fixing elements 25 are then fixed in turn, each by their other end, distal, to the internal walls of the external envelope, by means of two other welds, identified 37.
  • each fixing element, marked 25 is itself a tubular element comprising, two marked walls 33 (“ bars 33 ”) extending from the marked tube 34, both connected to a marked wall 35 (“ bar 35 ”), forming the distal end of the element marked 25, this distal end being fixed by two distant welds, marked 37 to the external envelope.
  • the purpose of the present invention is to overcome the aforementioned drawbacks by proposing a flexible storage device for the packaging of solid materials in bulk, with a footprint close to the rectangular or even the square when filled, so as to optimize the storage capacities when the containers are juxtaposed, of increased safety as regards the risk of tilting, and preferably, and at least according to one embodiment, suitable for limiting the uptake of humidity of the material contained.
  • Another object of the present invention is to provide such a structural device such that it can be manufactured at a limited cost price.
  • the external envelope and the internal envelope have a surface resistivity of between 1.0 ⁇ 10 9 ⁇ to 1.0 ⁇ 10 12 ⁇ (of type L2) provided with dissipative agents so that the storage device can be qualified as a large flexible bulk container classified as type B according to standard 61340-4-4 Edition 2.0 2012-01 when the container is made of an insulating material within the meaning of the standard, or of type C when the container is in a conductive material.
  • the outer shell and the inner shell are made of an electrically conductive material with a surface resistivity of less than 1.0 ⁇ 10 7 ⁇ (of type L1) so that the device storage can be qualified as a large flexible bulk container classified as type C according to standard 61340-4-4 Edition 2.0 2012-01.
  • the vertical flaps are formed at the four angles of the storage volume of the external envelope, each obtained by welding together two thicknesses of the first polymer film.
  • the invention also relates to a method for packaging bulk solid matter (or a liquid) comprising discharging a particulate solid matter into bulk (or alternatively of a liquid), from above in the central compartment of a flexible storage device according to the invention, the material (or liquid) first filling said central compartment, then by overflowing above the upper edge of the inner envelope only, the four compartments.
  • the invention relates to a flexible storage device 1, 1 ′ for the conditioning of particulate solid materials, having a bottom and side walls defining a substantially parallelepipedic storage volume.
  • the storage device has a cover 35, closing the storage volume from above.
  • the outer casing 30 consists essentially of a first polymer film and the inner casing 40 consists essentially of a second polymer film, said vertical fixing lines being weld lines between the first polymer film and the second polymer wire.
  • the first polymer film and / or the second polymer film are typically obtained by extrusion, or co-extrusion when the first film and / or the second film are complexes, that is to say multi-layers of the same polymeric material or several different polymers.
  • the weld lines can be between 5 mm and 20 mm wide. These weld lines can be optionally doubled.
  • each weld line directly joins the external envelope 30 forming one of the side walls 31, 32, 33, 34 to the wall of the tube of the internal envelope 40 defining the perimeter of the central compartment C1.
  • the internal envelope 40 has an upper edge 50 defining the upper mouth of said central compartment C1 and a lower edge 51 defining the lower mouth of said central compartment C1.
  • the upper edge 50 of the internal envelope 40 is located at the same height as the upper edge of the side walls 31, 32, 33, 34 of the storage volume, or even below the upper edge of the side walls 31, 32, 33, 34 of the storage volume, so that the upper edge 50 of the internal envelope constitutes an overflow allowing the material to overflow from the central compartment C1 to the peripheral compartments C2 to C5.
  • the filling of the storage volume of the device is thus obtained by pouring a loose particulate solid material (or a liquid) from above into the central compartment C1, the material first filling said central compartment C1, then by overflow of the material above the upper edge 50 of the internal envelope 30, the four peripheral compartments C2, C3, C4, C5.
  • the internal envelope 40 is devoid of opening (s) of diameter greater than 200 micrometers, between the upper edge 50 of the internal envelope 40 and the lower edge 51 of the internal envelope 40.
  • the side wall of the central compartment C1 is thus impermeable to the particulate material, so that the discharge of the material from the central compartment C1 to the peripheral compartments C2 to C5 takes place only above the upper edge 50 forming the overhangs, and not through holes in the wall of the central compartment as taught by the device of the document WO 92/21572 , these holes being marked 9 at the figure 5 of the document WO 92/21572 , or 32 at the figure 6 of the document WO 92/21572 .
  • the internal envelope 40 may possibly be perforated, but only with the aim of promoting the deaeration of the storage volume, and / or again, and as will be described hereinafter with the aim of limiting the breakdown voltage of assembly 3: in both cases, the perforations are micro-perforations whose diameter is determined so as to be impermeable to the particulate material.
  • said storage device comprises a flexible container 2, comprising a bottom 20 and at least two side walls 21, 22, 23, 24, said suspension loops 25 being integral with the upper part of said flexible container 2.
  • the material of container 2 is a web of polymer fibers, raw, coated or laminated.
  • said assembly 3 is a separate element from said flexible container 2, provided as an insert between the bottom and the side walls of said flexible container.
  • the side walls 31, 32, 33, 34 formed by the external envelope 30 of said assembly are covered, in whole or in part, respectively, by the side walls of the flexible container 2.
  • the container 2 has a bottom 20, and four side walls 21, 22, 23, 24, these four side walls then coming respectively to cover the four side walls 31, 32, 33, 34 of the external envelope 30.
  • the container 2 has a bottom 20 and two side walls 22, 24 only, substantially parallel, covering two of the four side walls of the outer casing 30.
  • the other two side walls of the outer casing 30 are not covered by walls of said container 2.
  • said assembly 3 is secured by sewing or by gluing to the two side walls 22, 24 of the container, for example at the level of four fixing lines extending vertically at the corners of the storage volume.
  • the outer casing 30 also forms a bottom wall 38, said bottom 38 forming with the side walls 31, 32, 33, 34 of the outer casing 30 the storage volume of solid materials, impermeable to particulate matter.
  • the bottom wall 38 is provided with a discharge chute 36, which passes through an opening 26 in the bottom 20 of the container 2.
  • the outer casing 30 defines a cover 35 provided with a filling chute 37.
  • the filling chute 37 and the discharge chute 36 are closed by a link.
  • the storage device can advantageously be devoid of of said container 2, typically canvas.
  • the suspension loops 25 are then secured directly to said assembly 3, typically at the four corners of the storage volume.
  • Such an embodiment is intended more particularly for the transport of moderate load, in comparison with the storage device with flexible container 2, typically in canvas, which will make it possible to lift more substantial loads.
  • the outer casing 30 has no bottom, that is to say open per se at its lower part, said bottom 20 of the container 2 being fixed to the side walls 31, 32, 33, 34 of the outer casing 30
  • the bottom 20 of the container 2 and the side walls 31, 32, 33, 34 of the external envelope 30 form the volume for storing solid materials, impermeable to particulate matter, the bottom 20 of the container thus closing the lower opening.
  • the lower edges marked 39 of the side walls 31, 32, 33, 34 of the external envelope 30 can be fixed (in a sealed manner to the particulate material) at the periphery 27 of the bottom wall 20 of the container 2
  • the bottom is then preferably made of a coated or laminated fabric in order to be impermeable to the particulate material.
  • the upper edge 50 of the internal envelope 40 has notches 52, in particular of V shape, facing the various peripheral compartments C2 to C5, promoting the discharge of particulate matter by overflowing, from the compartment central C1 to the peripheral compartments C2 to C5.
  • the polymer film of the internal and external envelope has a wall thickness between 50 micrometers and 250 micrometers, preferably between 90 micrometers and 150 micrometers, such as 120 micrometers.
  • the internal envelope 40 and / or the external envelope 30 are preferably in the same monolayer or multilayer film, in order to facilitate recycling of the assembly 3.
  • PA / PE polyamide / polyethylene complex
  • PE / Binder / PA / Binder / PE multilayer
  • PA / PA / PE film on the same principles as above.
  • Such a tested film with a thickness of 120 micrometers, made it possible to constitute a good barrier to humidity from the external environment. Due to the low elongation under stress of this polyamide / polyethylene complex, the assembly gave good filling performance by limiting the amplitude of the deformations of the lateral walls of the external envelope towards the outside, under the pressure of the material. , and in comparison to an assembly of the same construction, the first and second films of which are made of polyethylene only.
  • the outer casing 30 has flaps B1, B2, B3, B4 which are substantially vertical, at the four angles of the storage volume, over the height of the storage volume.
  • Each of the flaps B1, B2, B3, B4 is obtained by welding together two thicknesses of the first polymer film.
  • These vertical flaps B1, B2, B3, B4 are used as a bonding or sewing edge for fixing said assembly 3 to said container2 of the container, for example as shown according to the embodiment of the figure 1 or from figure 5 .
  • flaps B1, B2, B3, B4 can also, according to an embodiment not covered by the invention, be used to directly fix said suspension loops 25, and as illustrated by way of non-limiting example figure 6 .
  • the diameter of the micro-perforations can be between 5 micrometers and 130 micrometers, and for example between 5 microns and 40 microns ( ⁇ m).
  • the diameter of the micro-perforations will be chosen as a function of the particle size of the material to be stored and in order to prevent the material from crossing the wall of the external envelopes 30, or even of the internal envelope 40.
  • the density of the micro-perforations on the outer envelope 30 and inner 40 is between 0.2 perforations per cm 2 and 2 perforations per cm 2, and preferably uniform.
  • such a storage device is of increased safety with regard to the risk of dangerous electrostatic discharge, and without requiring dissipative agents capable of migrating towards the stored product and of contaminating it, and without requiring the grounding of the storage device. during filling and emptying operations.
  • the skilled person can refer to the patent application PCT / FR2014 / 051836 of this plaintiff.
  • the external envelope 30 and the internal envelope 40 have a surface resistivity of between 1.0 ⁇ 10 9 ⁇ to 1.0 ⁇ 10 12 ⁇ (of type L2), that is to say provided with dissipative agents so that the storage device can be qualified as a large flexible bulk container classified as type B according to standard 61340-4-4 Edition 2.0 2012-01 when the container is in an insulating or dissipative material sense of the standard, or type C when the container is in a conductive material.
  • Such an embodiment does not require grounding of the storage device during filling and emptying operations when of type B, but contains dissipative agents capable of migrating the stored products.
  • the external envelope 30 and the internal envelope 40 are made of an electrically conductive material with a surface resistivity of less than 1.0 ⁇ 10 7 ⁇ (of type L1) so that the storage device can be qualified as a large flexible bulk container classified as type C according to standard 61340-4-4 Edition 2.0 2012-01.
  • a device requires the grounding of the storage device during filling and emptying operations, and in order to ensure safety against the risks of electric shock.
  • the first polymer film and the second polymer film can be perforated, over their entire surface, uniformly, said micro-perforations with a diameter preferably between 5 micrometers and 130 micrometers and a density preferably between 0.2 perforations per cm 2 and 2 perforations per cm 2 , as previously described.
  • Each of the two tubular sheaths can be obtained from the first polymer film (or second polymer film), originally in the form of a sheet, which is folded back on itself and two of the edges of which are welded in order to get the sheath.
  • the first polymer film and / or the second polymer film can advantageously be present from the outset in the form of a bellows sheath, extruded in one piece.
  • the first polymer film and / or the second polymer film may already be each in the form of a bellows sheath, typically extruded in one piece.
  • the process may also have an additional step for which vertical flaps B1, B2, B3, B4 are formed on said set, which will then serve as a bonding or sewing edge and as explained above.
  • flaps B1, B2, B3, B4 are formed vertically at the four angles of the storage volume of the external envelope 30, each of the flaps being obtained by welding together two thicknesses of the first polymer film, in particular over several centimeters.
  • the four upper welds S1, S2, and S1 ', S2' make it possible to produce the cover 35 with its filling spout 37, the four lower welds S3, S4 and S3 ', S4' the bottom with the emptying spout 36.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (11)

  1. Flexible Speichervorrichtung (1) zum Verpacken von teilchenförmigen festen Materialien oder von Flüssigkeit, umfassend einen Boden und Seitenwände, die ein im Wesentlichen parallelepipedförmiges Speichervolumen definieren, wobei die Vorrichtung umfasst:
    - einen flexiblen Behälter (2), umfassend einen Boden (20) und mindestens zwei Seitenwände (21, 22, 23, 24) sowie Aufhängeschlaufen (25) im oberen Teil, die zum Anheben bestimmt sind, wobei die Aufhängeschlaufen (25) fest mit dem oberen Teil des flexiblen Behälters (2) verbunden sind, wobei das Material des Behälters (2) ein Tuch aus Polymerfasern ist, das unbehandelt, beschichtet oder laminiert ist,
    - eine separat von dem flexiblen Behälter ausgebildete Anordnung (3), die als Einsatz zwischen dem Boden (20) und den Seitenwänden (21, 22, 23, 24) des flexiblen Behälters vorgesehen ist, wobei die Anordnung (3) umfasst:
    - eine flexible äußere Hülle (30), die mindestens die vier Seitenwände (31, 32, 33, 34) des Speichervolumens und die Bodenwand des Speichervolumens bildet,
    - eine schlauchförmige, flexible innere Hülle (40), die durch vertikale Befestigungslinien (41, 42, 43, 44) an den vier Seitenwänden (31, 32, 33, 34) der äußeren Hülle (30) befestigt ist, welche das Speichervolumen in fünf vertikale Fächer (C1, C2, C3, C4, C5) aufteilen, einschließlich eines zentralen Fachs (C1), das durch das Innenvolumen der inneren Hülle definiert ist, und vier peripherer Fächer (C2, C3, C4, C5), die jeweils zwischen den Seitenwänden der äußeren Hülle (30) und den Seitenwänden der inneren Hülle (40) definiert sind, und wobei die innere Hülle (40) einen oberen Rand (50) aufweist, welcher die obere Öffnung des zentralen Fachs (C1) definiert, und einen unteren Rand (51) aufweist, welcher die untere Öffnung des zentralen Fachs (C1) definiert, wobei sich der obere Rand (50) der inneren Hülle (40) auf gleicher Höhe oder unterhalb des oberen Rands der Seitenwände des Speichervolumens befindet, so dass der obere Rand (50) der inneren Hülle einen Überlauf darstellt, der das Überlaufen der Materialien vom zentralen Fach (C1) zu den peripheren Fächern (C2 bis C5) gestattet, wobei die innere Hülle (40) keine Öffnung(en) mit einem Durchmesser größer als 200 Mikrometer aufweist, zwischen dem oberen Rand (50) der inneren Hülle (40) und dem unteren Rand (51) der inneren Hülle (40),
    - und wobei die äußere Hülle (30) aus einer ersten Polymerfolie besteht, und die innere Hülle (40) aus einer zweiten Polymerfolie besteht, wobei die vertikalen Befestigungslinien Schweißlinien zwischen der ersten Polymerfolie und der zweiten Polymerfolie sind, wobei jede Schweißlinie die äußere Hülle (30), die eine der Seitenwände (31, 32, 33, 34) bildet, direkt mit der Wand des Schlauchs der inneren Hülle (40) verbindet, was den Umfang des zentralen Fachs (C1) definiert, und wobei die Polymerfolie der inneren und äußeren Hülle eine Wandstärke zwischen 50 Mikrometern und 250 Mikrometern aufweist,
    und wobei die äußere Hülle (30) an den vier Ecken des Speichervolumens im Wesentlichen vertikale Streifen (B1, B2, B3, B4) aufweist, über die Höhe des Speichervolumens, die jeweils durch Zusammenschweißen von zwei Lagen der ersten Polymerfolie erhalten werden, wobei die vertikalen Streifen (B1, B2, B3, B4) als Kleberand oder Nahtrand zum Befestigen der Anordnung (3) an dem Behälter (2) verwendet werden,
    und wobei die äußere Hülle (30) die Bodenwand (38) des Speichervolumens bildet, wobei die Bodenwand (38) mit den Seitenwänden (31, 32, 33, 34) der äußeren Hülle (30) das Speichervolumen für die teilchenförmigen festen Materialien bildet,
    wobei die Bodenwand (38) mit einem durch die äußere Hülle (30) gebildeten Entleerungsschacht (36) versehen ist, der eine Öffnung (26) im Boden (20) des Behälters (2) durchquert, wobei ein Band es erlaubt, den Entleerungsschacht zu schließen, und
    wobei die äußere Hülle (30) eine Abdeckung (35) definiert, die mit einem Füllschacht (37) versehen ist, wobei ein Band es erlaubt, den Füllschacht zu schließen.
  2. Vorrichtung nach Anspruch 1, wobei der flexible Behälter (2) im Wesentlichen aus der Bodenwand (20) und nur zwei Seitenwänden (22, 24) besteht, die im Wesentlichen parallel sind und zwei der vier Seitenwände der äußeren Hülle (30) bedecken, so dass die beiden anderen Seitenwände (31, 33) der äußeren Hülle (30) nicht von Wänden des Behälters (2) bedeckt sind.
  3. Vorrichtung nach einem der Ansprüche 1 bis 2, wobei der obere Rand (50) der inneren Hülle (40) Kerben (52) aufweist, gegenüber den verschiedenen peripheren Fächern (C2 bis C5), was das Überlaufen von teilchenförmigen Materialien aus dem zentralen Fach (C1) zu den peripheren Fächern (C2 bis C5) begünstigt.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei die innere Hülle (40) und die äußere Hülle (30) aus der gleichen, extrudierten, einlagigen oder mehrlagigen Polymerfolie bestehen.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, wobei die Polymerfolie der äußeren Hülle (30) und/oder der inneren Hülle (40) ausgewählt ist aus:
    - einem Polyamid/Polyethylen-Komplex;
    - einem mehrschichtigen 100% PE;
    - einem Komplex aus Polyolefinen gleicher oder unterschiedlicher Natur vom Typ EVOH,
    - einem Komplex aus Polyolefinen und Aluminium.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, wobei die äußere Hülle (30) und die innere Hülle (40) einen spezifischen Oberflächenwiderstand zwischen 1,0 x 109 Ω und 1,0 x 1012 Ω aufweisen und derart mit Dissipationsmitteln versehen sind, dass die Speichervorrichtung als großer flexibler Schüttgutbehälter des Typs B nach der Norm 61340-4-4 Ausgabe 2.0 2012-01 eingestuft werden kann, wenn der Behälter aus einem einem isolierenden oder dissipativen Material im Sinne der Norm besteht, oder des Typs C, wenn der Behälter aus einem leitenden Material im Sinne der Norm besteht.
  7. Vorrichtung nach einem der Ansprüche 1 bis 5, wobei die äußere Hülle und die innere Hülle aus einem elektrisch leitenden Material mit einem spezifischen Oberflächenwiderstand von weniger als 1,0 x 107 Ω bestehen, so dass die Vorrichtung als großer flexibler Schüttgutbehälter des Typs C gemäß der Norm 61340-4-4, Ausgabe 2.0 2012-01 eingestuft werden kann.
  8. Verfahren zur Herstellung einer Speichervorrichtung nach einem der Ansprüche 1 bis 7, wobei die Anordnung (3) zumindest durch die Durchführung der folgenden Schritte erhalten wird:
    - eine erste Polymerfolie, welche die äußere Hülle (30) bilden soll, und eine zweite Polymerfolie, welche die innere Hülle (40) bilden soll, vorzugsweise in Form einer schlauchförmigen Ummantelung mit kleinerem Umfang, die ggf. mit Ausgabekerben versehen ist, werden bereitgestellt,
    - die zweite Polymerfolie wird an die Innenseite einer schlauchförmigen Ummantelung geschweißt, die aus der ersten Polymerfolie besteht, wobei zwei flexible, koaxiale Ummantelungen erhalten werden, die aus der ersten bzw. der zweiten Polymerfolie bestehen, wobei die eine der beiden Ummantelungen in der anderen fixiert ist, auf Höhe von vier ersten Schweißlinien (41, 42, 43, 44).
  9. Verfahren nach Anspruch 8, wobei die Anordnung den Boden (38) aufweist, der mit einem Entleerungsschacht (36) versehen ist, und die Abdeckung (35) aufweist, die mit einem Füllschacht (37) versehen ist, und der Boden (38) mit Entleerungsschacht (36) und die Abdeckung (35) mit Füllschacht (37) durch die folgenden aufeinanderfolgenden Schritte erhalten werden:
    - zwei Lagen der ersten Polymerfolie werden auf Höhe von acht Ecken der Ummantelung miteinander verschweißt, wobei jede der Schweißnähte, die als zweite Schweißnähte (S1, S2, S1, S2', S3, S4) bezeichnet werden, sich vom Rand aus bis zu einer der Öffnungen der Ummantelung und bis zu einem Längsrand der Ummantelung erstreckt, wodurch der Füllschacht (37) und der Entleerungsschacht (36) erhalten werden,
    - die Ecken der Ummantelung werden durch Ausschneiden der ersten Polymerfolie entlang und außerhalb der zweiten Schweißnähte (S1, S2, S1', S2', S3, S4, S3', S4') entfernt.
  10. Verfahren nach Anspruch 8 oder 9, wobei die vertikalen Streifen (B1, B2, B3, B4) an den vier Ecken des Speichervolumens der äußeren Hülle (30) ausgebildet werden, die jeweils durch Zusammenschweißen von zwei Lagen der ersten Polymerfolie erhalten werden.
  11. Verfahren zum Verpacken von Schüttgut, umfassend das Schütten eines teilchenförmigen festen Materials oder auch eines flüssiges Materials von oben in das zentrale Fach (C1) einer flexiblen Speichervorrichtung nach einem der Ansprüche 1 bis 7, wobei das Material zuerst das zentrale Fach füllt und dann nur durch Überlaufen des Materials über den oberen Rand (50) der inneren Hülle (40) die vier peripheren Fächer (C2, C3, C4, C5).
EP16753955.0A 2015-07-24 2016-07-22 Flexible speichervorrichtung zum verpacken von festen teilchenförmigen stoffen oder flüssigkeiten, verfahren zur herstellung dieser vorrichtung und verpackungsverfahren unter verwendung dieser vorrichtung Active EP3325374B1 (de)

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PL16753955T PL3325374T3 (pl) 2015-07-24 2016-07-22 Elastyczne urządzenie magazynujące do przechowywania rozdrobnionych materiałów stałych lub cieczy, sposób wytwarzania takiego urządzenia i sposób przechowywania przy użyciu takiego urządzenia
RS20200788A RS60491B1 (sr) 2015-07-24 2016-07-22 Savitljiv uređaj za skladištenje za pakovanje čvrstih čestičnih materijala ili tečnosti, postupak za proizvodnju takvog uređaja i postupak za pakovanje pomoću takvog uređaja

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FR1557060A FR3039140B1 (fr) 2015-07-24 2015-07-24 Dispositif de stockage, souple, pour le conditionnement de matieres solides particulaires ou de liquide
PCT/FR2016/051915 WO2017017361A2 (fr) 2015-07-24 2016-07-22 Dispositif de stockage, souple, pour le conditionnement de matieres solides particulaires ou de liquide

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US10928009B2 (en) * 2015-05-29 2021-02-23 eZcomply, LLC Pressure vessel boss and boss assembly apparatus and method
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WO2019164971A1 (en) * 2018-02-20 2019-08-29 Oneill Kevin M Lightweight transport, storage and delivery system
US11104510B2 (en) * 2018-02-20 2021-08-31 Kevin M. O'Neill Lightweight transport, storage, and delivery system
CL2020001223A1 (es) * 2020-05-07 2020-11-13 Lean Switch Ingenieria Spa Un sistema contenedor multiuso y reciclable para llenado, almacenamiento confinado, manipulacion, transferencia, transporte y descarga de grandes volumenes de material a granel; y metodo asociado.
AT524129B1 (de) * 2021-03-29 2022-03-15 Jan Svejda Behälter

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US20180194549A1 (en) 2018-07-12
CN107922110A (zh) 2018-04-17
ES2804522T3 (es) 2021-02-08
FR3039140B1 (fr) 2020-01-10
US11208259B2 (en) 2021-12-28
WO2017017361A2 (fr) 2017-02-02
WO2017017361A3 (fr) 2017-03-30
LT3325374T (lt) 2020-07-27
EP3325374A2 (de) 2018-05-30
RS60491B1 (sr) 2020-08-31
FR3039140A1 (fr) 2017-01-27

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