Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
  • B65F1/00—Refuse receptacles; Accessories therefor
  • B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
  • B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
• • 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]
• • 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
  • B65D90/00—Component parts, details or accessories for large containers
  • B65D90/02—Wall construction
  • B65D90/08—Interconnections of wall parts; Sealing means therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
  • B65F1/00—Refuse receptacles; Accessories therefor
  • B65F1/0006—Flexible refuse receptables, e.g. bags, sacks
  • B65F1/002—Flexible refuse receptables, e.g. bags, sacks with means for opening or closing of the receptacle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
  • B65F2240/00—Types of refuse collected
  • B65F2240/118—Building waste

Definitions

• the present invention relates to the field of packaging waste.
• the term "waste” is used within the meaning of European Directive 2006/12 / EC of April 5, 2006 and designates any substance or object which falls under the categories listed in Annex I to this Directive, which the holder discards or which he intends or has the obligation to dispose of.
• It relates more particularly to the packaging of waste resulting from asbestos-removal work for buildings or public works.
• EP 3 133 033 relating to a flexible packaging of solid waste with a capacity greater than 5 m 3 , consisting of an outer mechanically resistant envelope and an inner envelope dustproof, each comprising a cover which can be closed on a pocket by closing means so as to close the packaging in a leaktight manner using a system of flaps extending from the upper peripheral edge of the packaging, interposed between the outer envelope and the inner envelope and covering the means for closing the inner envelope.
• the flexible containers conditioning the waste are placed in a metal skip during their loading and transport.
• Certain skips can be unloaded, on the storage site, from the transport truck, in particular using an articulated arm of the Ampliroll® type, requiring a slight inclination during dumping, which makes it possible to preserve the integrity and therefore the tightness of the container.
• the metal skip with a capacity of 32T housing the flexible container remains fixed to the transport truck and a tilting of the skip for unloading the flexible container with the waste is operated.
• the tilting angle is large, in other words the inclination of the bucket during dumping is large, which results in sudden unloading and greatly increases the risk of damaging the flexible container, in particular by tearing.
• the present invention relates to a flexible container for the packaging of waste, in particular but not exclusively of asbestos waste or other waste, comprising:
• an internal envelope delimiting an internal volume for receiving and housing the waste, and comprising a lower wall, an upper wall and at least one side wall connecting the lower and upper walls, the internal envelope comprising, within the upper wall, an opening which can be opened or closed using a closing system,
• the resistance of the fixing zone between the flap and the upper wall of the inner envelope is significantly strengthened, with the reinforcing strip disposed at least at the level of the first attachment zone for the flap.
• the reinforcing strip is preferably superimposed on the flap and on the upper wall of the inner envelope.
• the reinforcing strip partially covers the or each flap and is fixed thereto. It is advantageously fixed on an outer surface of the flap.
• the reinforcing strip is advantageously fixed to the inner envelope and / or to the flap by gluing, by welding, by sewing or any other fixing technique, preferably by gluing.
• the reinforcing strip is fixed to the inner envelope and to the flap.
• the reinforcing strip may include, on one of its faces, an adhesive, for example a synthetic rubber resin. This allows it to be fixed in particular on the flap and / or on the inner envelope.
• the reinforcing strip preferably comprises a fibrous reinforcement, in particular comprising fibers chosen from the group consisting of glass fibers, carbon fibers, aramid fibers, natural fibers and their mixtures, preferably glass fibers.
• the reinforcing strip may also comprise at least one layer of a polymer, in particular chosen from the group consisting of a polyolefin, polyethylene terephthalate (PET), polyester, preferably PET.
• PET polyethylene terephthalate
• the fibrous reinforcement can be woven, non-woven and / or knitted.
• the thickness of the reinforcing strip may be between 0.10 mm and 0.20 mm, preferably between 0.14 mm and 0.18 mm, for example be equal to 0.16 mm.
• the tensile strength of the reinforcement strip can be about 550N / inch.
• the container preferably has a number of flaps equal to the number of sides or edges of the upper wall of the inner envelope.
• the container preferably comprises a number of reinforcing strips at least equal to the number of flaps.
• the inner envelope has a substantially parallelepiped shape, the inner envelope comprising four side walls, the container then preferably comprising four flaps, either one per side or edge of the upper rectangular wall of the inner envelope, and four reinforcing bands, one per flap.
• references to an “upper” or “lower” wall or portion are made by a visitor who observes the container when it is placed on the ground in its position for loading waste.
• Said at least one side wall of the inner envelope is for example fixed, in an upper portion, to the upper wall in the first fixing zone, the upper wall being interposed in particular between the side wall and the flap in the first zone of fixation.
• the flap, the upper portion of the side wall and the peripheral portion of the upper wall are fixed, in particular welded, to each other in the first fixing zone.
• the attachment in the first attachment zone can also be carried out by sewing or by gluing.
• the first attachment zone can be located at a non-zero distance from the edge of the upper wall of the inner envelope, said distance preferably being between 1 mm and 30 mm, in particular between 5 mm and 20 mm.
• the first attachment zone can be located at a non-zero distance from the edge of the flap, said distance preferably being between 1 mm and 30 mm, in particular between 5 mm and 20 mm.
• the first fixing zone can be located at a non-zero distance from the upper edge of the side wall, said distance preferably being between 1 mm and 30 mm, especially between 5 mm and 20 mm.
• the first fixing zone in particular the welding zone, can extend over a width of between 1 mm and 30 mm, in particular between 3 mm and 20 mm.
• Said at least one reinforcing strip may cover an upper portion of said at least one side wall.
• the reinforcing strip covers the flap and the upper portion of the side wall on a surface thereof including the first attachment area and a surface located near the first attachment area, in particular on the side and other of it.
• the flap (s) and / or the inner envelope is / are preferably provided with fixing means so as to be able to fix, in at least one second fixing zone, the flap (s) to the inner envelope after closing thereof, the first and second attachment zones being disposed respectively on either side of the closure system.
• the fixing means in this second fixing zone comprise in particular an adhesive, preferably a double-sided adhesive strip. This seals the closure. This also increases the resistance of the inner casing.
• the container advantageously comprises an external envelope forming the external surface of the container and having, in an upper part, an opening which can be opened or closed, the internal envelope being disposed inside the external envelope, said at least one flap being interposed between the outer envelope and the inner envelope.
• the outer envelope can provide resistance to the container.
• the outer shell may include a closure system which may include a zipper.
• the closure system of the outer envelope may be present on a top wall of the outer envelope.
• the zippers of the inner casing and of the outer casing have, for example, U-shaped profiles of opposite orientation.
• the outer envelope may have a substantially parallelepiped shape, the outer envelope having an upper wall, a lower wall connected to each other by four side walls.
• the container may comprise at least a second reinforcing strip at least partially superimposed and fixed to the closure system and to the inner envelope.
• the closure system preferably includes a zipper.
• the zipper is advantageously made with a zipper sewn on either side on a strip of fabric, in particular made of polyester, about 3 cm on a side, for example.
• the closure system can be attached to the inner envelope by sewing.
• the same seam can be used both for fixing the closure system and the second reinforcement strip (s).
• a plurality of rows of seams for example parallel to each other, can make it possible to fix the closure system to the inner envelope and, simultaneously, the second reinforcement strip (s).
• the second reinforcing strip can be made of the same material or materials as the reinforcing strip.
• the inner envelope can comprise at least one polymer material, comprising in particular polyethylene (PE), in particular a film of PE or a weaving of PE. It advantageously has a seal against dust, emissive and / or powdery materials, air and water.
• PE polyethylene
• the inner envelope preferably has walls substantially parallel to the respective walls of the outer envelope, when present, in the immediate vicinity thereof, within the container.
• the different upper, lower and lateral walls of the interior envelope together define the interior volume of the interior envelope, corresponding to the interior volume of the container.
• the inner envelope preferably has a parallelepiped shape.
• the thickness of the walls of the inner envelope can be between approximately 200 ⁇ m and 400 ⁇ m, in particular between 200 ⁇ m and 350 ⁇ m.
• a layer, in particular glued, of expanded PE can be fixed on the interior surface at the level of the lower wall of the interior envelope.
• the interior volume of the container can be greater than or equal to 3 m 3 , in particular to 5 m 3 , in particular to 10 m 3 , in particular to 16 m 3 , or even to 18 m 3 , in particular at 24 m 3 , or even at 35 m 3 .
• the inner envelope may have thicker zones than others, so as to locally strengthen the mechanical resistance properties, since the waste can move forcefully in the container.
• the flap (s) can be made of polymer material, in particular PE film, of a thickness which can be between approximately 100 ⁇ m and 160 ⁇ m.
• the outer envelope may comprise at least one polymer material, comprising in particular polypropylene (PP), in particular in the form of woven material, being for example made of PP fabric.
• PP polypropylene
• It advantageously has mechanical strength properties to resist tearing. It can include thicker zones than others or include reinforcements, so as to locally strengthen the mechanical strength properties. In particular, it may include reinforcements at the edges of the front and rear walls, made for example essentially of PP. It can have a basis weight of between approximately 190 g / m 2 and 300 g / m 2 , in particular between 200 g / m 2 and 270 g / m 2 , depending on the dimensions of the outer envelope.
• the tensile strength, measured according to standard ASTM D638, in the warp direction can be between 180 kg f and 240 kg f approximately, that is to say approximately 1765 N and 2355 N.
• the tensile strength, measured according to standard ASTM D638 , in the weft direction can be between 170 kg f and 240 kg f approximately, that is to say approximately 1665 N and 2355 N.
• the elongation, measured according to standard ASTM D638, can be between 18 and 20% approximately, in the weft or warp direction.
• the outer envelope can be linked to the inner envelope by at least partial gluing, in particular total gluing between the lower, side, front and rear walls of the envelopes.
• the opening of the inner envelope can occupy a large part of the upper wall of the inner envelope, and have three edges, including the two longitudinal edges and a third edge, connecting them, near the front or rear wall of the inner envelope, substantially parallel thereto.
• the three edges of the opening are preferably provided with gear teeth to allow a zipper (or rack) of the opening.
• the opening of the outer casing can occupy a large part of the upper wall of the outer casing, and have three edges, including the two longitudinal edges and a third edge, connecting them, near the rear wall. or before the outer envelope, substantially parallel thereto.
• the opening of the outer envelope comprises, in addition to the two longitudinal edges, a third edge which is opposite to that of the inner opening.
• the opening of the outer envelope preferably has a third edge near the rear wall.
• the three edges of the opening of the outer casing are preferably provided with gear teeth to allow a zipper (or rack) of the opening.
• the inner envelope may be provided, on its inner surface, in particular of the side wall or walls, with a plurality of anchor points for tensioners, or elastic cables. These elastic cables can be used to secure the container to a metal skip in which the container would be placed, in the open position of the openings of the outer and inner envelopes, in order to facilitate loading of waste into the container.
• Another subject of the invention in combination with the above, is a process for packaging waste comprising the following steps: - place a flexible container as defined above, in a metal skip,
• FIG 1 schematically and in perspective, an example of an inner, closed envelope of a container according to the invention
• FIG 2 shows, partially, schematically and in cross section, the inner envelope of Figure 1 seen along II
• FIG 3 is a schematic and isolated sectional view of a reinforcing strip
• FIG. 2 is an enlarged view of detail IV of FIG. 2,
• FIG 5 is a schematic and partial view from above of an example of an inner envelope of a container according to the invention.
• FIG 6 is an enlarged view of detail VI of Figure 2
• FIG 7 is a schematic perspective view of an example of an outer, closed envelope of a container according to the invention.
• FIG. 1 An inner envelope 2 of a container 1 according to the invention, shown closed in this figure. It has an elongated shape along a longitudinal axis X, as visible. It delimits an interior volume V of the container for housing waste.
• the inner envelope 2 is made of polymer material, in particular polyethylene, in particular of a dust-tight material.
• the inner envelope 2 is made, in this example, from a PE film, having a thickness of about 350 ⁇ m.
• the inner envelope 2 has a parallelepiped shape.
• the inner envelope 2 comprises a lower wall 4 and an upper wall 5 as well as four side walls connecting the lower 4 and upper walls 5, including a front side wall 6, a rear side wall 7, two side side walls 8 and 9
• the inner envelope 2 has an outer surface 10 and an inner surface 11.
• the upper wall 5 is provided with an opening 51 for the introduction of waste, defined by three edges in this example, namely two longitudinal edges 52 and 53 parallel to the longitudinal axis X. It has a third rear edge 54 connecting edges 52 and 53 and extending near the rear wall 55. These three edges are located near a peripheral part 92 of the upper wall 5.
• the opening 51 can be opened or closed using 'A closure system 510 disposed along the longitudinal edges 52 and 53 and the rear edge 54.
• the closure system 510 of the inner casing 2 comprises a zipper, with a slide 511 and a strip of 512 polyester fabric to which the slide 511 is sewn, as visible in FIGS. 5 and 6. Strings 80 of sufficient length are provided to allow an operator to actuate the closure system 510 from the bottom of the container or to facilitate this operates is lying.
• the container 1 has at least one flap, in this example a plurality of flaps, four in number in this example, namely a rear flap 70, a front flap 71 disposed opposite, and also two side flaps 72 and 73
• the flaps are produced in this example from polymer material, in particular from polyethylene film, reinforced or not, being of a thickness which can be between approximately 100 ⁇ m and 160 ⁇ m.
• the rear flaps 70 and front 71 are identical to each other.
• the side flaps 72 and 73 are identical to each other.
• the flaps 70 and 71 are of width equal to the width U of the inner envelope 2.
• the flaps 72 and 73 are of width equal to the length Li of the inner envelope 2.
• the flaps 70, 71, 72 and 73 are fixed to the upper wall 5, in this example by welding, in a first fixing zone 90 located in the peripheral part 92 of the upper wall 5 of the inner envelope 2, as visible in figure 1.
• the side walls 6, 7, 8 and 9 of the inner envelope 2 are also fixed, in an upper portion 14, to the upper wall 5 in the first fixing zone 90, as visible in particular in the figure. 2. They are also fixed by welding, carried out simultaneously with that which connects the flaps and the upper wall 5 in the first fixing zone 90.
• the upper wall 5 is interposed, as shown in Figures 2 and 4, between the side wall 6, 7, 8 or 9 and the corresponding flap 71, 70, 73 and 72, respectively.
• the first attachment zone 90 is located at a distance di, that is to say extends from a distance di from the edge 95 of each flap, at a distance d2 from the peripheral edge 96 from the upper wall 5 and at a distance d3 from the edge 97 of each side wall.
• the first fixing zone 90 formed in this example by the welding zone, extends over a width w equal to approximately 10 mm.
• the upper wall 5 is made in one piece with at least one of the side walls 6, 7, 8 and 9.
• the container 1 also comprises at least one reinforcing strip 100 fixed to the flap 70, 71, 72 and 73 and / or to the internal envelope 2 disposed at least partially at the level of the first fixing zone 90, that is to say -to say in an area defined by the first attachment area 90.
• Each reinforcement strip 100 is superimposed at least partially on the flap 70, 71, 72 and 73 and on the upper wall of the inner casing 2.
• the reinforcement strip 100 is in this example fixed to each flap 70, 71, 72 and 73, precisely on the outer surface of these flaps, and on the inner envelope 2, precisely on each upper portion 14 of the side walls 6, 7, 8 and 9.
• the reinforcing strip 100 is in this embodiment fixed by bonding using an adhesive 103, for example a synthetic rubber resin, arranged in the form of a layer on one of its faces.
• the reinforcing strip 100 shown in isolation in FIG. 3, also includes a polymer film 101, in this example a polyethylene terephthalate (PET) film, and a fibrous reinforcement 102 made of glass fibers in this example. Still in this example, as visible in FIG. 1, the container 1 has four reinforcement strips 100, one for each flap.
• PET polyethylene terephthalate
• the presence of the reinforcement strips 100 makes it possible to reinforce the resistance of the container 1, in particular at the level of the first fixing zone 90.
• a fold is formed around the first fixing zone 90 on the periphery of the upper wall 5.
• the reinforcing strips 100 cover the first fixing zone 90 and also the surfaces of the side walls and the flaps located on either side thereof, as visible in FIG. 4 in particular .
• the attachment, in particular the weld, at the level of the first attachment zone 90, is advantageously formed continuously over the entire length and width of the inner envelope 2.
• the container 1 has a second fixing zone 91 arranged on the other side of the closure system 510 relative to the first fixing zone 90, for each flap.
• the flaps 70, 71, 72 and 73 each comprise fixing means 75 constituted in this example by an adhesive, in particular a double-sided adhesive strip for their fixing to the interior envelope 2 in the second fixing zone 91 in the direction indicated. by the arrow in FIG. 2.
• These fixing means 75 are arranged, as visible in FIG. 1, along at least one edge of the flap, parallel to the latter.
• the fixing means 75 are in the form of a parallel strip close to the edge 105 of the flaps 72 and 73.
• the fixing means 75 are in the form of three strips parallel to the three edges 83, 84 and 85 of the flaps 70 and 71.
• the flaps 70, 71, 72 and 73 completely cover the closure system 510, when in the closed position, creating a seal at the closure of the inner envelope 2.
• the container 1 also comprises at least a second reinforcing strip 40, in the example illustrated several second reinforcing strips 40 visible in FIGS. 2, 5 and 6, arranged on either side of the closure system 510.
• a second reinforcing strip 40 in the example illustrated several second reinforcing strips 40 visible in FIGS. 2, 5 and 6, arranged on either side of the closure system 510.
• the upper wall 5 of the inner casing 2 is sewn using seams 45, in the form of three rows of seams in this example, to the closure system 510 , on either side of the corresponding edge of the opening 51.
• Between the upper wall 5 and the closing system 510 is inserted a second reinforcing strip 40, fixed to each of them by the same seam 45.
• the second reinforcement strips 40 are made of polyethylene terephthalate (PET) film reinforced with glass fibers.
• the presence of these second reinforcement strips 40 makes it possible to reinforce the resistance of the inner envelope 2, particularly at the seams 45 which can weaken the inner envelope 2.
• At least one of the faces 47, or even the two faces 47 and 48 , the reinforcing strip or strips 40 is coated with an adhesive, for example a synthetic rubber resin.
• the inner envelope 2 is also provided in this example with a plurality of anchor points 60 of elastic cables 61 or tensioners visible in FIG. 1.
• the points anchor 60 are fixed around the entire periphery of the inner surface 11 of the inner casing 2, that is to say on the four side walls 6, 7, 8 and 9.
• the elastic cables 61 can be fixed removably, in the open position of the container 1, on fixing points present on a metal bucket housing the container 1 during loading of waste.
• the inner envelope 2 in this embodiment, is intended to be placed inside an outer envelope 3, shown in FIG. 7, within the container 1.
• the outer envelope 3 defines an outer surface 15 of the container 1. It has an elongated shape along the longitudinal axis X, as visible.
• the outer casing 3 has a parallelepiped shape, with a lower wall 20 and an upper wall 21, interconnected by four side walls, namely a front side wall 22, a rear side wall 23, two side walls 24 and 25.
• the side walls 22 to 25 define the total height H of the outer envelope 3 and therefore of the container 1, substantially equal to 3 ⁇ 4 in this example.
• the length L of the outer casing 3, ie the length of each side wall 24 or 25, in this example, is substantially equal to Li.
• the width l of the outer casing 3 corresponding to the width of the front side wall 22 or rear 23 is substantially equal to U.
• the dimensions of the inner envelope 2 may be different, in particular smaller than those of the outer envelope 3, without departing from the scope of the invention.
• the outer casing 3 has an inner surface 26.
• the upper wall 21 is occupied over a large part of its surface by an opening 27 defined by three edges, namely two longitudinal edges 28 and 29, parallel to the longitudinal axis X and a front edge 30 connecting them, near the front side wall 22 in this example, perpendicular to the longitudinal axis X.
• the opening 27 can be opened or closed using a closure system 130 along the longitudinal edges 28 and 29 and before 30.
• the system closure 130 of the outer casing 3 comprises a zipper in this example. Strings 81 of sufficient length are provided to allow an operator to actuate the closure system 130 from the bottom of the container or to facilitate this actuation.
• the exterior surface 10 of the interior shell 2 faces the interior surface 26 of the exterior shell 3.
• the interior shell 2 is disposed in the exterior shell 3 so that the side wall front 6 is located next to the front side wall 22 and the rear side wall 7 next to the rear side wall 23.
• the opening 51 of the inner casing 2 is substantially superimposed on the opening 27 of the outer casing 3 within container 1.
• the outer casing 3 is made of woven polymer material, in particular PP fabric.
• the grammage of the outer envelope 3 is, in this example, approximately 270 g / m 2 .
• the outer casing 3 has mechanical strength.
• the open position of the container 1 corresponds to the open position of the opening 27 and the opening 51, simultaneously.
• the closed position of the container 1 corresponds to the closed position of the opening 27 and the opening 51, simultaneously.
• the edge 30 of the opening 27 is located opposite the edge 54 of the opening 51, the first being on the side of the front side wall 22 while the second is on the side of the side wall rear 7.
• the opening 27 opens on the side of the rear side part 23 while the opening 51 opens on the side of the front side part 6.
• the container 1 is opened by opening the outer envelope 3 and the inner envelope 2,
• the container is closed in a leaktight manner, by closing the inner envelope 2 using the closing system 510, by fixing the flaps 70, 71, 72, 73 using the fixing means 75 in the second zone 91, then closing the outer casing
• the inner envelope 2 may include reinforcing pieces arranged at each of its angles on its inner surface and / or its outer surface, fixed by welding or gluing, for example.
• the inner and outer envelopes may have another shape, for example cylindrical with a single circular side wall, or another shape.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Refuse Receptacles (AREA)
• Packages (AREA)
• Cartons (AREA)
• Bag Frames (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=67185151

Family Applications (1)

Country Status (7)

Families Citing this family (1)

Family Cites Families (7)

• 2018
  • 2018-12-21 FR FR1873963A patent/FR3090600B1/fr not_active Expired - Fee Related
• 2019
  • 2019-12-20 EP EP19824351.1A patent/EP3898452A1/de not_active Withdrawn
  • 2019-12-20 CA CA3123716A patent/CA3123716A1/fr active Pending
  • 2019-12-20 KR KR1020217022030A patent/KR20210104790A/ko unknown
  • 2019-12-20 JP JP2021535836A patent/JP2022514643A/ja active Pending
  • 2019-12-20 US US17/414,564 patent/US20220009707A1/en not_active Abandoned
  • 2019-12-20 WO PCT/EP2019/086678 patent/WO2020127971A1/fr unknown

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