EP3658474B1 - Transportbehälter mit volumenpuffer, verfahren zur befüllung - Google Patents

Transportbehälter mit volumenpuffer, verfahren zur befüllung Download PDF

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Publication number
EP3658474B1
EP3658474B1 EP18740596.4A EP18740596A EP3658474B1 EP 3658474 B1 EP3658474 B1 EP 3658474B1 EP 18740596 A EP18740596 A EP 18740596A EP 3658474 B1 EP3658474 B1 EP 3658474B1
Authority
EP
European Patent Office
Prior art keywords
transport container
buffer
opening
area
container according
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
EP18740596.4A
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German (de)
English (en)
French (fr)
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EP3658474A1 (de
Inventor
Andreas PÖRNER
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.)
Porner Ingenieurgesellschaft mbH
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Porner Ingenieurgesellschaft mbH
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Publication of EP3658474A1 publication Critical patent/EP3658474A1/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]
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/20—Reducing volume of filled material
    • 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B65D90/20—Frames or nets, e.g. for flexible containers
    • B65D90/205—Frames or nets, e.g. for flexible containers for flexible containers, i.e. the flexible container being permanently connected to the frame
    • 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
    • B65D90/22—Safety features
    • B65D90/26—Overfill prevention
    • 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
    • B65D90/54—Gates or closures
    • B65D90/56—Gates or closures operating by deformation of flexible walls

Definitions

  • the invention relates to a transport container, comprising a jacket formed in particular from round fabric, which extends between a lower part and an upper part in such a way that a container volume for receiving granular, liquid, viscous or semi-liquid substances, in particular bitumen, is formed, and which has an opening having.
  • a transport container comprising a jacket formed in particular from round fabric, which extends between a lower part and an upper part in such a way that a container volume for receiving granular, liquid, viscous or semi-liquid substances, in particular bitumen, is formed, and which has an opening having.
  • stabilizing elements which run along the jacket from the area of the lower part to the area of the upper part and the ends of which are connected in a tensile and pressure-resistant manner via a bracing structure.
  • Such large-volume transport containers are known from the prior art under the name big bags. Special devices are required if transport containers with bracing structures are filled with substances that are viscous and tend to move the transport container slowly and steadily out of its equilibrium position through mass displacement, so that stable long-term storage of the filled transport container cannot be guaranteed.
  • Transport containers are described in the prior art.
  • the U.S. 5,653,354 describes a container with a support structure and a filling neck. Another similar construction is shown in the US 2016/0264305 A1 described. Further transport containers, which form the general state of the art, are in the DE 10 2010 062 225 A1 as well as in the WO 2013/076138 A1 described.
  • bitumen A problem arises in particular when filling these transport containers with viscous substances such as bitumen.
  • the bitumen is delivered hot and bottled for further transport. After filling, the viscous bitumen mass cools down and the volume of the filling mass is naturally reduced. Because it it is only possible to fill transport containers with heated bitumen up to their upper edge, after the filling compound has cooled down, depending on the extent of the volume reduction, there is an unfilled dead volume. This is particularly problematic in the case of bracing constructions of the generic type.
  • the volume reduction results in a cavity under the stabilization structure. If a second transport container is stacked on top of a first, a large part of the force acts directly on the bracing structure of the lower transport container. This will be excessively stressed and it can bend. The lower transport container can also be damaged.
  • One object of the invention is to solve this and other problems of known transport containers and to provide a transport container which allows the container volume to be completely filled, even after the bitumen mass has cooled, while the integrity of the stabilizing structure is to be ensured.
  • Another object of the invention is to provide a method for filling large-volume transport containers with bitumen, which allows the transport containers to be completely filled even after the bitumen has cooled, and does not question the integrity of any bracing structures provided when the transport containers are stacked.
  • a transport container according to claim 1 in that a buffer for increasing the volume of the transport container is provided next to an opening in the transport container.
  • bitumen mass in the buffer serves as a compensation volume for the volume reduction associated with the cooling of the bitumen mass.
  • the filling level of the transport container is naturally reduced, but the available compensating volume prevents the formation of cavities. Rather, the upper part of the transport container can preferably terminate essentially flush with the stabilizing structure of the lower transport container.
  • the bracing construction merely serves to stabilize the container against the effects of lateral forces.
  • the bulk of the load is borne by the bitumen itself. This prevents deformation of the bracing structure and enables increased security and stability during storage.
  • the buffer increases the container volume of the transport container by at least 7%, preferably between 7% and 12%.
  • the expected volume reduction can be determined with sufficient accuracy. Adapting the buffer volume to this volume reduction allows the transport container to be filled exactly after the bitumen has cooled down to ambient temperature.
  • the opening is formed by opening slots arranged in the upper part.
  • the opening slots can preferably be two slots in the upper part which run in a straight line and are arranged crosswise to one another. This creates four triangular foldable pieces of fabric in the upper part formed so that an opening that can be shaped as desired is created. By folding over the fabric parts, four flaps can be formed to accommodate a closure of the transport container.
  • Reinforcing means can be arranged at least partially on the opening slits in order to prevent the opening slits from tearing under stress.
  • the reinforcing means can preferably comprise strips of fabric sewn onto the upper part.
  • the buffer can be inserted through the opening formed and connected to the upper part.
  • the buffer can preferably be connected to the upper part by a fastening seam that runs completely around the opening. This fastening seam can preferably run completely outside and at a distance from the opening slits. This creates a tight connection between the upper part and the buffer.
  • the buffer can have a height in the range from 30 cm to 100 cm, preferably 45 cm.
  • the opening can have a dimension of, for example, 70 cm, so that the buffer offers a volume of, for example, 200 liters.
  • the opening slits can each have a length of 75 cm, for example.
  • the buffer consists of a material that is lighter than the transport container, or is lighter or thinner. This has the particular advantage that the buffer is easy to handle when it is closed.
  • the buffer can comprise a woven fabric, in particular a flat woven fabric or a circular woven fabric.
  • the buffer can comprise the material polypropylene (PP).
  • the upper part of the transport container can have a basis weight in the range from 170 g / m2 to 230 g / m2, preferably 200 g / m2, and the buffer can have a basis weight in the range from 45 g / m2 to 95 g / m2, preferably 70 g / m2 .
  • the buffer comprises a primary closure in the area of an upper edge of the buffer and a secondary closure in the area of the opening. Immediately after the bitumen mass has been poured into the transport container and the buffer, the primary closure of the then dome-shaped buffer can be closed.
  • the secondary closure can be used to achieve a final closure of the transport container.
  • the primary closure is arranged in the range from 10 cm to 30 cm below the upper edge of the buffer.
  • the secondary closure of the buffer can be arranged adjacent to the opening, for example in the range from 1 cm to 10 cm above the opening.
  • the secondary fastener can comprise an elongated piece of fabric, for example a tape or a cord. This piece of fabric can be passed through the above-mentioned tabs formed by the fabric parts of the upper part.
  • the objects set out at the beginning are also achieved by a method according to claim 13, in which the container volume is filled with flowable bitumen up to the upper edge of a buffer of the transport container, a primary closure is closed in the area of the upper edge of a buffer and a secondary closure is closed in the area of an opening of the Transport container is closed after cooling and volume reduction of the bitumen.
  • This overfilling of the transport container according to the invention with the amount of bitumen corresponding to the volume of the buffer allows an additional volume of bitumen to be provided. In the warm state, this manifests itself in a dome-like overfilling in the area of the buffer. During the cooling of the bitumen, however, there is a reduction in volume, so that the transport container is completely and evenly filled when the bitumen mass has cooled down.
  • the stabilizing elements are designed as tubes which are arranged on the outer surface of the jacket.
  • the bracing structure comprises several, preferably four, flat, elongated struts that are resistant to tension and compression, for example flat iron, which are connected at their ends to the tubes, preferably flush and non-positively.
  • the struts can preferably form an essentially square support surface.
  • the flat iron can have a thickness of 1mm - 3mm and a width of 40mm - 60mm.
  • the bracing structure comprises tensile and preferably also pressure-resistant, preferably metallic profile frames, which are preferably flush and non-positively connected to the tubes and form a preferably substantially square support surface.
  • This bracing construction forms a frame which is used exclusively to shape the transport container.
  • an approximately square profile is formed for the transport container instead of a circular one, as is usually the case with cylindrical containers. This prevents the container from falling over.
  • the bracing construction according to the invention enables fastening to means of transport without exerting direct forces on the jacket of the flexible container.
  • the upper profile frame comprises an angular profile and the lower profile frame comprises a rectangular profile, the dimensions of the profile frames being selected such that the lower profile frame of one transport container can be inserted into the upper profile frame of another transport container. This ensures that the transport containers can be stacked particularly reliably.
  • At least two, preferably four lifting loops are arranged on the jacket, which are preferably each arranged in the area between two stabilizing elements.
  • the lifting loops are fastened to the jacket in the area between two stabilizing elements by fastening means, preferably fabric strips.
  • the lifting loops can preferably each be arranged centrally between two stabilizing elements.
  • bracing construction By using a bracing construction, long-term and safe storage of the filled materials is ensured on the one hand, which, on the other hand, is recyclable if possible and can be stored and transported compactly even when unfilled.
  • the transport container can be filled completely and practically flat by the method according to the invention after the bitumen has cooled, there is also the advantage according to the invention that the bracing structure rests on the cooled bitumen and thus does not run the risk of being bent or damaged when the transport containers are stacked .
  • elongated stabilizing elements which run along the jacket from the area of the lower part to the area of the upper part, and the ends of which are connected in a tensile and pressure-resistant manner at least in the area of the lower part via the bracing structure.
  • the stabilizing elements are releasably connected to the bracing structure so that the frame according to the invention can be delivered folded and assembled on site.
  • the stabilizing elements are designed as preferably metallic tubes, inside of which threaded rods are arranged.
  • the threaded rods can in particular have an M10 thread be executed.
  • the bracing structure can include struts, preferably flat iron, which are clamped together with the threaded rods via nuts or other connecting elements in such a way that two struts with one end of a tube form a rigid 3-dimensional corner.
  • the jacket can be formed from a fabric made of plastic or fibers, preferably in the form of round material, which can be used directly for the container body without a horizontal seam. These materials can practically only absorb tensile stresses and are available cheaply.
  • the stabilizing elements can comprise rigid pipes, rods or profiles made of steel, wood or plastic and are preferably hollow cylindrical or rectangular profiles with a correspondingly dimensioned moment of inertia and pressure stability, which are arranged vertically on the side surfaces of the container in such a way that they are unfolded and subsequently Filling run centrally as a post along the side surfaces of the container body.
  • the stabilizing elements can be designed as tubes with a diameter of 30mm-40mm.
  • the tubes can have a thickness of about 1 mm and are preferably made of metal.
  • the tubes can also be made of plastic or other materials.
  • the struts can be designed as tensile static elements made of steel, wood, plastic or natural fibers, which are located below or inside, for example in a double floor or in guides of the container bottom, with the sides of the Container body arranged stabilizing elements are connected so that they form a substantially square support surface viewed from above.
  • These struts can preferably be designed from such a material and in such a shape that they can also absorb pressure and bending stresses at least to a certain extent.
  • struts can optionally also be performed directly by an upper part designed in this way, for example a fabric plate with or without reinforcements by folds, sewn-in straps, etc., so that the transverse forces introduced into the upper part via the vertical stabilizing elements during filling can be reliably absorbed .
  • separate tension members preferably those with a certain compressive and flexural strength, can also be provided on the upper part in order to keep the container body free from undesired stresses.
  • the stabilizing elements and struts only serve to stabilize the transport container and are not used for lifting and manipulating the container.
  • the support structure can be designed easily and inexpensively.
  • the weight of the filled container should preferably be transmitted mainly via lifting loops attached directly to the jacket of the container.
  • the support structure in the form of the stabilizing elements and the struts can be designed as a unit that is essentially independent of the container body for multiple uses.
  • the container bodies can be reworked into normal big bags, for example for building materials or the like, after being used for bitumen transport, while the inner liner is melted down with the bitumen. Overall, this enables cost-effective, logistical solutions with good utilization of materials and resources.
  • the support structure in the form of the stabilizing elements and the struts can be used to advantage for securing the stable installation, for example on storage areas that are not completely level, or when loading into / onto means of transport such as trucks or containers using suitable loading aids such as straps or hooks.
  • tension and compression-resistant struts are only provided in the area of the lower part and the stabilizing elements are connected in the area of the upper part by tension-resistant belts, straps, fabric straps or chains.
  • the diameter of the tubes essentially corresponds to the width of the flat iron, in order to achieve that when the flat iron is fastened, these assume an essentially right angle with the tubes.
  • the jacket is formed from a flat woven fabric or a round woven fabric, and that a plastic coating or a liner made of plastic such as polyethylene or a comparable material with a similar thermal behavior is arranged inside the jacket.
  • a first upper profile frame preferably forming a square support surface
  • a second lower profile frame preferably forming a square support surface
  • screw nuts are provided in the tubes, and the struts or profile frames are connected to the tubes at their corner areas by screws.
  • the screw nuts can in particular be designed as spring nuts which are inserted into the tubes.
  • the outer dimension d1 of the lower profile frame is at most the same size, preferably smaller than the inner dimension d2 of the upper profile frame.
  • threaded rods and nuts can be provided, the threaded rods being arranged in the tubes.
  • profile frames are only provided in the area of the lower part, and the stabilizing elements are connected in the area of the upper part by tension-resistant belts, belts or chains.
  • the diameter of the tubes can essentially correspond to the width of the struts or profile frames in order to achieve a stable, flush connection between the tubes and the profile frames.
  • Figures 1a-1d show schematic views of a first exemplary embodiment according to the invention.
  • the transport container 1 with buffer 5 is in Fig. 1a shown from above and comprises a jacket 2 made of a circular fabric which is delimited at its upper edge by an upper part 4.
  • a liner 10 made of a plastic such as polyethylene.
  • the buffer 6 is in an open and unfilled state.
  • a liner 10 is arranged in the interior of the buffer 6.
  • the buffer 6 forms a substantially circular opening.
  • the buffer 6 consists of 70 g / m 2 heavy coated polypropylene fabric and is therefore in comparison to the transport container made of lighter material.
  • cross-shaped opening slots 25 are made in the upper part 4, through which the buffer 6 is inserted.
  • the ends of the opening slits 25 are sewn with reinforcing means 26 in order to prevent the upper part 4 from tearing open when loaded.
  • the buffer 6 is held on the inside of the upper part 4 by a fastening seam 24 in order to ensure a tight connection with the upper part 4.
  • the length of the opening slots 25 is 75 cm in this exemplary embodiment, but can also be 65 cm or 80 cm, for example.
  • tubes 11 with inserted threaded rods 12 run along the shell 2.
  • the tubes 11 are inserted into fabric sheaths 13 which are arranged by seams 19 on the outer surface of the shell 2 and extend from the lower part 3 to the upper part 4 of the transport container 1 .
  • Figure 1b shows that the stabilizing elements both in the area of the lower part 3 and in the area of the upper part 4 are connected to one another in a tensile and pressure-resistant manner by means of a bracing construction. This creates a stable frame that holds and stabilizes the transport sack even inside.
  • FIG. 1a shows the transport container in the filled but not closed state, with four corners being formed between the stabilizing elements due to the pressure of the filling material.
  • Lifting loops 17 by means of fabric strips 18 are arranged at the corners in order to be able to lift the transport container, for example with a forklift truck. A load on the stabilizing elements and the bracing structure should be avoided.
  • the stabilizing elements comprise threaded rods 12 which are inserted into tubes 11.
  • the tubes 11 are made of metal with a diameter of about 40 mm. This large diameter of the tubes ensures that the tubes 11 do not damage the fabric sheaths 13.
  • the threaded rods 12 or the tubes 11 can be connected to one another in a tensile manner by means of ropes, belts, belts or chains.
  • FIG. 1b Also shows Figure 1b a buffer 6 which is filled by a liner 10.
  • a primary lock 7 and a secondary lock 9 are arranged on the buffer 6.
  • the primary closure 7 is arranged in the area of the upper edge 8 of the buffer 6.
  • the secondary closure 9 is located in the area of the upper part 4.
  • the volume of the buffer 6 is adapted exactly to the volume reduction to be expected on the basis of the filling temperature and the properties of the bitumen. In this exemplary embodiment, the volume of the buffer 6 is approximately 8% of the volume of the transport container.
  • the transport container When the transport container is filled with hot, flowable bitumen, it is filled up to the upper edge 8 of the buffer 5.
  • the transport container is closed with a primary closure 7 in order to protect the bitumen from environmental influences. After several days and complete cooling of the bitumen, a volume reduction has occurred, which has reduced the filling level of the transport container 1 to the level of the upper part. A final packaging of the bitumen can now be achieved by closing a secondary closure 9.
  • closures 7, 9 in this exemplary embodiment are straps, for example textile straps, which are tied around the buffer.
  • the closures 7, 9 can be formed differently.
  • the closures 7, 9 are arranged, for example, in loops or tabs on the outside of the buffer 6.
  • a cover flap 23 can also be used in order to better enable the transport container 1 to be closed.
  • the cover flap 23 serves to protect against bulging of the inner parts or to provide UV protection.
  • a dome-like bulge is formed in the area of the buffer 6, which contains the volume of the buffer 6.
  • there is a Closing with a primary closure 7 before the secondary closure 9 is used for the final closure after cooling and the volume reduction of the bitumen.
  • a buffer 6 to completely fill a transport container 1 with bitumen allows in particular increased stability when stacking several transport containers 1. Complete filling means that the mass of one transport container 1 can be distributed as evenly as possible to another transport container 1 when these are on top of each other are stacked. This reduces the risk of deformation of the metal frame due to load peaks.
  • Figure 1c shows the fastening of the tubes 11 with the flat iron 14 in detail.
  • Threaded rods 12 are arranged in the tubes 11, which have a significantly smaller diameter than the tubes 11.
  • the threaded rods 12 are firmly screwed to the flat iron 14 by a nut 15, the screw connection being made so tight that the tube 11 touches the flat iron 14 forcing in a rigid right-angled connection.
  • the diameter of the tube 11, at 40 mm is adapted approximately to the width of the flat iron 14 at 40 mm to 60 mm.
  • the threaded rod arranged in the tube 11 has a diameter of approximately 10 mm.
  • the threaded rod is preferably arranged to be freely movable in the pipe, so that the threaded rod can move in the pipe when the screw connection is tightened. After fixing the bracing structure, the position of the threaded rod in the pipe is essentially fixed.
  • Fig. 1d shows a schematic cross section through the tubes 11 along the section DD in Figure 1b .
  • the tubes 11 are arranged on the side of the jacket 2 in fabric sheaths 13, the fabric sheaths 13 being closely connected to the sheath via seams 19 are. It is thereby achieved that the tubes 11 are in close contact with the jacket.
  • a threaded rod 12 is arranged inside the tube 11, to be freely movable.
  • the larger diameter of the tube 11 in relation to the threaded rod 12 has the further advantage that the jacket 2 is only slightly stressed, since the load caused by the tightened threaded rod 12 is distributed over a larger circumference of the tube 11.
  • FIGS 2a-2d show schematic views of a second embodiment according to the invention.
  • the buffer 6 is shown in closed form.
  • the transport container 1 is in Fig. 2a shown from above and comprises a jacket 2 made of a circular fabric which is delimited at its upper edge by an upper part 4.
  • a buffer 6 is arranged in the upper part 4 and is closed with a primary lock 7 and a secondary lock 9.
  • Inside the jacket 2 there is a liner 10 made of a plastic such as polyethylene.
  • the fastening seam 24 On the upper part 4 of the transport container 1, the fastening seam 24, the opening slits 25 running crosswise to one another and four reinforcing means 26 arranged at the ends of the opening slits 25 are provided.
  • the tubes 11 are inserted into fabric sleeves 12 which are arranged on the outer surface of the shell 2 by seams 19 and extend from the lower part 3 to the upper part 4 of the transport container 1.
  • a bracing structure is formed by an upper profile frame 20a and a (not shown) lower profile frame 20b and the tubes 11.
  • the illustrated schematic view Fig. 2a shows the transport container in the filled state, with four corners being formed between the stabilizing elements as a result of the pressure of the filling material. At the corners, centrally between the tubes 11, lifting loops 17 by means of fabric strips 18 are arranged in order to be able to lift the transport container with a forklift, for example. A load on the stabilizing elements and the bracing structure should be avoided.
  • Fig. 2a and 2 B show a transport container 1 after the bitumen mass has been filled and cooled.
  • the primary closure 7 and the secondary closure 9 are closed.
  • the filling level of the transport container 1 has decreased to the area of the upper part 4.
  • the buffer 6 is no longer filled with bitumen compound.
  • Figure 2b shows a schematic side view of two transport containers according to the invention, which are stacked on top of one another.
  • the stabilizing elements in the form of tubes 11 are connected to one another in a tensile and compression-proof manner both in the area of the lower part and in the area of the upper part by means of a bracing structure in the form of an upper profile frame 20a and lower profile frame 20b. This creates a stable frame that holds and stabilizes the transport sack even inside.
  • the bracing construction comprises an upper profile frame 20a and a lower profile frame 20b, which are connected flush and non-positively to the tubes 11 and form a substantially square support surface.
  • the upper profile frame 20a is designed as an angle profile and the lower profile frame 20b as a rectangular profile.
  • the dimensions of the profile frames 20a, 20b are selected such that the lower profile frame can be inserted into the upper profile frame.
  • the outer dimension d1 of the lower profile frame 20b is slightly smaller than the inner dimension d2 of the upper profile frame 20a. This ensures that the upper transport container is properly seated on the lower transport container.
  • Figure 2c shows the fastening of the tubes 11 with the profile frames 20a, 20b in detail.
  • spring nuts 22 are inserted into the pipes, and the profile frames are connected to their corner areas by screws 21 the spring nuts 22 connected.
  • the profile frames 20a, 20b are firmly screwed to the spring nuts 22 by a screw 21, the screw connection being made so tight that the tube 11 forces the profile frames 20a, 20b into a rigid, right-angled connection.
  • the diameter of the tube 11 with 40 mm is adapted approximately to the width of the profile frame 20a, 20b with 40 mm to 60 mm.
  • Fig. 2d shows a schematic cross section along the line DD from Figure 2b through the tubes 11.
  • the tubes 11 are arranged on the side of the jacket 2 in fabric sheaths 13, the fabric sheaths 13 being tightly connected to the sheath via seams 19. It is thereby achieved that the tubes 11 are in close contact with the jacket.
  • a spring nut 22 is inserted inside the tube 11.
  • the flat irons 14 of the first embodiment are not fixed in the tubes with continuous threaded rods 12, but rather by the spring nuts 22 shown in the second embodiment.
  • a continuous threaded rod 12 is not required.
  • FIG. 3 shows a schematic view of the second exemplary embodiment according to the invention with the buffer 6 open.
  • the essential design features of the FIG Figures 2a-2d second exemplary embodiment according to the invention can also be found in Fig. 3 again.
  • an open buffer 6 is shown schematically.
  • this is connected to the transport container by sewing in the middle in the area of the opening 5.
  • the buffer 6 is provided with a liner 10 on the inside.
  • a primary closure 7 is located in the area of the upper edge 8 of the buffer 6, namely approximately 5 cm below the upper edge 8 and a secondary closure 9 is located in the area of the upper part 4 of the transport container 1, namely approximately 5 cm above the Opening 5.
  • the secondary closure 9 is guided in tabs 28 which are formed by fabric parts of the upper part 4.
  • Figures 4a and 4b show schematic detailed views of an exemplary embodiment of the buffer according to the invention.
  • the buffer 6 is inserted into a schematically illustrated opening 5 on the upper part 4 of the transport container 1 and sewn onto the upper part 4 of the transport container 1.
  • Inside the buffer 6 there is a liner 10 made of plastic, for example polyethylene.
  • a primary lock 7 and a secondary lock 9 are formed on the buffer 6.
  • the primary closure 7 is attached in the area of the upper edge 8 of the buffer 6 and the secondary closure 9 is arranged in the area of the upper part 4 of the transport container 1.
  • a cover cap 23 is used in conjunction with the secondary closure 9 for the final closure of the transport container 1 after the filling has cooled down and the associated volume reduction.
  • the buffer 6 is connected to the upper part 4 of the transport container 1 by a fastening seam 24.
  • opening slits 25 are provided, which are sewn at their end with reinforcing means 26 in order to prevent tearing.
  • the secondary fastener which in this exemplary embodiment comprises a band approximately 200 cm long, is guided with tabs which are formed by parts of the upper part 4.
  • the tabs 28 can be sewn to form fixed guides.
  • Fig. 5 shows a detailed view of an embodiment according to the invention in the state filled with hot bitumen.
  • the upper part 4 of the transport container 1, the closed primary closure 7, the unsealed secondary closure 9, the fastening seam 24 that holds the buffer 6 on the upper part 4, and flat iron 14 that form the bracing structure can be seen.
  • a bulge, or dome 27, of the upper part 4 with buffer 6 can be seen, which results from the overfilling of the transport container 1 with bitumen mass.
  • the maximum area of the dome is essentially determined by the flat iron 14 over which the dome cannot step.
  • the transport container 1 has just been filled with hot bitumen and the primary closure 7 was used to lock the transport container for the first time. After a cooling time of several hours to several days, the volume has decreased and the height of the dome has fallen to the level of the flat iron 14. The secondary closure 9 can then be used for the final closure of the transport container 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Bag Frames (AREA)
EP18740596.4A 2017-07-28 2018-07-16 Transportbehälter mit volumenpuffer, verfahren zur befüllung Active EP3658474B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50633/2017A AT520282B1 (de) 2017-07-28 2017-07-28 Transportbehälter mit Volumenpuffer
PCT/EP2018/069195 WO2019020411A1 (de) 2017-07-28 2018-07-16 Transportbehälter mit volumenpuffer

Publications (2)

Publication Number Publication Date
EP3658474A1 EP3658474A1 (de) 2020-06-03
EP3658474B1 true EP3658474B1 (de) 2021-07-07

Family

ID=62909550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18740596.4A Active EP3658474B1 (de) 2017-07-28 2018-07-16 Transportbehälter mit volumenpuffer, verfahren zur befüllung

Country Status (4)

Country Link
EP (1) EP3658474B1 (ru)
AT (1) AT520282B1 (ru)
EA (1) EA039469B1 (ru)
WO (1) WO2019020411A1 (ru)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5653354A (en) * 1995-08-21 1997-08-05 Noslo Enterprises, Inc. Stackable container system for flowable materials
WO2001025101A1 (en) * 1999-10-06 2001-04-12 Southcorp Australia Pty Ltd Bulk container suitable for dangerous goods
US20090277900A1 (en) * 2008-05-08 2009-11-12 Stephen Charles Howison Container for storage and transport of liquids
WO2010107811A2 (en) * 2009-03-17 2010-09-23 Ameriglobe, Llc Improved fabric bulk bag system
DE102010062225B4 (de) * 2010-11-30 2015-06-25 Deutsche Post Ag Transportsack
AT512240B1 (de) * 2011-11-22 2014-01-15 Greif Flexibles Trading Holding Bv Transportbehälter
AT512606B1 (de) * 2012-03-13 2014-08-15 Pörner Ingenieurgmbh Verpackungsbehälter und Verfahren zum Befüllen des Behälters mit Bitumen
JP5705281B2 (ja) * 2013-08-29 2015-04-22 有限会社五綾貿易 ロープ固定具、袋口結束用具及びフレキシブルコンテナバッグ

Also Published As

Publication number Publication date
EP3658474A1 (de) 2020-06-03
EA201892414A1 (ru) 2019-07-31
EA039469B1 (ru) 2022-01-31
WO2019020411A1 (de) 2019-01-31
AT520282B1 (de) 2019-10-15
AT520282A1 (de) 2019-02-15

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