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
  • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
  • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
  • B65D77/0446—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks
  • B65D77/0453—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section
  • B65D77/0466—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section the containers being mounted on a pallet
• • 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
  • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags

Definitions

• the invention relates to a pallet container for storage and transport of liquid or flowable products with a thin-walled inner container made of thermoplastic material, with a plastic inner container as a support jacket tightly enclosing tubular grid frame of welded together horizontal and vertical tube rods, and with a rectangular bottom pallet, on which the plastic container rests and with which the pipe grid frame is firmly connected.
• IBC Intermediate Bulk Container
• IBC Intermediate Bulk Container
• Vibrating table u. v. m .. When occurring internal pressure of the cube-shaped filled with liquid filling plastic inner container tries to expand in his four side walls and in the topsoil and exploit.
• Filled IBCs are usually z. B. transported on a truck in a double stack, so that the lower IBC in addition has to pay off the stacking load of the upper IBC.
• truck transports of filled IBCs caused by the transport shocks and movements of the transport vehicle - in particular on bad roads - significant surge of liquid product, creating constantly changing pressure forces on the
• Walls of the inner container are exercised, which in turn lead to radial oscillatory movements of the tubular grid frame in rectangular pallet containers and represent dynamic fatigue vibrations with alternating tensile / compressive loads on the welds in the intersection of the grid pipe bars. In case of overloading or after prolonged exposure periods, it may be in the
• the horizontal and vertical grid bars of the tube grid frame consist of a hollow profile, potentially a square-shaped tube as a base profile.
• Indentations in the pipe base profile - are provided as desired bending points - which of the
• Welding points each have a certain minimum distance of at least one-tenth of the pipe profile width. Increased bending elasticity of the tubular grid frame is achieved when at least two indentations are provided in the vertical and / or horizontal tube bars between two crossing points.
• a pallet container with a square tube base profile in which the indentations or depressions are at a distance from the Crossing points are formed which are substantially equal to or longer than the width of the rods, and that the recesses are formed only on the side of the rods in which the welded joints are arranged.
• the present invention has for its object to increase the rigidity of the tubular lattice frame of pallet containers (IBCs) and thus to ensure increased safety of such large containers when used in particular for dangerous liquid products.
• IBCs pallet containers
• Pallet containers can be increased.
• the original base profile of at least one horizontal and / or vertical tube rod is designed to extend in a raised manner over a predeterminable length in the tube column longitudinal direction over an intersection region of the horizontal and vertical tube rods welded to one another or is provided with an elevated back region.
• Pressing action is formed from the original base profile and a
• Pallet containers not lowered but increased and thus ensures increased security of the inventive IBCs when used in particular for dangerous liquid products.
• the raised back region in the horizontal tube bars exclusively on an outwardly and / or in the vertical tube bars exclusively on an inwardly facing side of the tube bars - based on the tube grid frame - is arranged.
• the raised back area is arranged on a vertical bar, it should be formed on the side facing the tube grid frame. If the elevation is arranged on a horizontal pipe bar, the raised back area should be formed on the outwardly facing side. In this embodiment, there are no problems for the welding of the superimposed horizontal and vertical pipe bars in the crossing areas.
• the raised back region has a defined limited extent in Rohrstablteilsraum.
• An optimal Increased performance or increase in stiffness of the pipe grid frame we achieved when the extension of the raised back area in Rohrstablteilscardi between two times and ten times, preferably a fivefold pipe bar width or a pipe rod diameter.
• Tubular bars with a square cross-section (hereinafter also referred to as "square profile") are particularly suitable for the simplest and most effective formation of the raised back area, whereby the profile does not have to form a perfect square, for example profiles with slight differences in the heights of the side walls or such with not quite parallel side walls in this sense particularly suitable square profiles.
• the raised backs are basically only in the intersection areas of the
• the raised backs are always realized in the vertical tube rods only inwards (relative to the tube grid frame).
• the raised backs are realized in the crossing regions, preferably in the region of the lower half of the side walls of the tubular grid frame.
• the raised ridges are preferably realized in the region of the side walls of the tube lattice frame with maximum bulge in the crossing regions, that is the middle region of the second and third horizontal bars from below in the tube lattice frame.
• FIG. 1 shows a front view of an IBC according to the invention
• FIG. 2 is a cross-sectional view of a preferred exemplary embodiment of a pipe rod
• Base profile BP with a substantially square cross-section
• Figure 5 in cross-sectional view of the tube bar profile acc. Fig. 4 after a first
• FIG. 6 is a cross-sectional view of the tube bar profile according to FIG. Fig. 4 for further
• Figure 7 is a partial side view of a vertical pipe bar with square
• Figure 8 is a partial plan view of a vertical pipe bar with square
• the pallet container 10 For use for storage and / or transport of dangerous products, the pallet container 10 meets special test criteria and is provided with a corresponding official dangerous goods approval. In a version for a product volume of about 1000 l, the pallet container 10 standardized
• the main elements of the pallet container 10 consist of a blow-molded thermoplastic material
• the outer tube grid frame 14 consists of welded together horizontal and vertical steel tube bars 18, 20.
• the closed base profile BP of the horizontal and vertical tube bars 18, 20 has no profile height-reducing recesses or transverse to Rohrstablteilsraum
• the bottom pallet 16 is formed in the illustrated version as a composite pallet.
• a labeling board 22 made of thin sheet steel is attached to identify the respective liquid contents.
• a Removal fitting 24 is connected in the middle of the bottom of the plastic inner container 12 to remove the liquid filling a Removal fitting 24 connected.
• the horizontal pipe bars 18 are in crossing areas 26 with the vertical
• Tube rods 20 of the tubular grid frame 14 via a 4-point support by means of conventional resistance pressure welding firmly welded.
• the present case the
• junction of the two pipe ends are formed into a rectangular pipe ring.
• 72) pure ones are seventy-two (72) pure ones
• the pallet container 10 can be designed as a large container in different volume sizes between 500 l and 1300 l.
• FIG. 2 shows, as a preferred exemplary embodiment, a tubular-rod base profile BP with a nearly square-shaped tube cross-section in a cross-sectional view.
• This original base profile BP as a square profile - here a vertical pipe bar 20 - has no indentations or dents across the Rohrstablteilsraum.
• the height H (Q) as side length of the square profile is also 16 mm.
• the square profile of the vertical pipe bars 20 has a wall thickness of 0.8 mm and the square profile of
• horizontal pipe bars 18 has a wall thickness of 0.9 mm. As a result, while maintaining a high wall stiffness, the weight and material costs of the pallet container can be reduced.
• the base square profile BP has two opposing parallel straight sidewalls 32 and two opposing nearly parallel slightly curved sidewalls 34, 36, with one curved sidewall 34 slightly concave inward and the other curved sidewall 36 slightly convex outwardly.
• the slightly concave inwardly bent side walls of the tube bars 18, 20 have at their two lateral outer edges in each case a flat in Rohrstab- Lengthwise extending back line 40.
• the horizontal pipe bars 18 and vertical pipe bars 20 are in each case with their slightly concave inwardly bent side walls 34 and with their two outside longitudinally extending back lines 40 and form the necessary 4-point supports for welding the pipe bars 18, 20th
• the slightly convex outwardly formed side wall 36 of the square-shaped base profile is in the region of the intersections 26, where it is desired and intended, easier to convert by mutually applied pressing pressure in a triangular forming profile with centrally formed back piece 30.
• the back-like elevations are generated from the base profile square tube by cold forming by means of simple hydraulic pressing tongs.
• Back piece 30 according to the present invention is shown in cross-sectional view in FIG.
• the base wall for the 4-point contact points for welding the crossed tubular rods up to the second concave inwardly bent side wall is the same Tip of the central spine piece 30 - depending on the size of the radius at the spine tip - a height H (D) of the triangular tube bar profile of about 20.5 mm.
• H (D) height of the triangular tube bar profile of about 20.5 mm.
• Side wall 36 connects or adjacent thereto.
• This can be z.
• Example be effected by means of a pressing tool with two mutually moving press dies, the tips are front chamfered accordingly, so that in the final position, a V-shaped gap between the tips of the ram and a nearly triangular or triangular-like tube cross-section with increased tube profile height of the deformed area of the pipe rod.
• This forming process can be carried out in a corresponding manner by means of a pressing tongs tool, with two jaws on a two-point parallel to the two opposite running parallel
• the base profile square tube has a base side wall which is slightly convexed inwards, resulting in outside longitudinal ribs for 4-point resistance welding.
• the two 90 ° arcs opposite the base side wall are bent and as far as possible approximated to a straight line, while the straight side wall opposite the base side wall is reshaped in the middle to a comparatively narrow arc of small radius.
• FIG. 4 Another embodiment of a known tube rod base profile is shown in Figure 4 in cross-sectional view. This original tube bar base profile is as
• Round tubular profile 42 is formed and has a circular cross-section with a
• Denting the round tubes to form the four weld contact points suffers the round tube of known pallet containers a strong loss of rigidity or bending resistance torque. This loss of stiffness can by forming in another forming stage to a nearly triangular cross-sectional profile with
• This exemplary embodiment with a triangular hollow profile also has a profile height HD of at least 20 mm in the region of the raised back region 30.
• FIG. 7 in a crossing region 26, a partial side view of a vertical tubular rod 20 with a square-shaped cross-section is shown in FIG.
• the horizontal tube bar 18 has the same square cross-section of the base profile BP.
• the original square-shaped base profile BP of the vertical tube rod 20 has been converted into a nearly triangular hollow profile with a central raised back region 30.
• the formed by mechanical deformation by means of lateral pressing pressure from the original base profile central raised back portion 30 has a narrow running in Rohrstabllindscardi back, wherein the raised back portion 30 is limited in Rohrstablteilsraum to a defined extent.
• This extension of the raised back region 30 in the tube longitudinal direction should be between two times and ten times, preferably five times, the tube bar width or the tube bar diameter (in the case of a round tube).
• a pressing pressure in a direction parallel to the plane of the grid walls simultaneously from two opposite parallel side walls on the intended area of Basic pipe profile is exercised.
• the pressing pressure is applied to the two opposite parallel straight side walls substantially only in the region or part of the square-shaped base profile, which adjoins the slightly convexly outwardly curved side wall or adjacent thereto.
• the forming process takes place in such a way that the pressing pressure on the two
• Pressing punches or the jaws of the pressing tongs results and thereby an almost triangular pipe cross-section with increased pipe profile height is formed in the deformed region of the pipe rod.
• FIG. 8 shows a partial top view of a vertical tube rod 20
• the longitudinal extent of the oblique transition areas 46 should be about 1-fold to 2 -fold the height of a side wall of the square-shaped base profile, d. H. between 15 and 35 mm, preferably about 20 mm.
• the measure of a resistance to bending is referred to as axial resistance moment W or bending resistance torque.
• the moment of resistance poses in the technical mechanics is a derived solely from the geometry (shape and dimensions) of a beam cross section size, which is a measure of what resistance a bending beam opposes the emergence of internal stresses under load. The largest amounts of amax in terms of magnitude always occur in the peripheral fibers of the bending beam, which have the greatest distance from the neutral fiber.
• the moment of resistance W of a beam cross-section is in simple geometric relationship with the area moment of inertia /, with the aid of which in the cross-sectional dimensioning
• the resistance moment W is defined as the quotient of area moment of inertia / and maximum stress a m ax.
• the unit for the moment of resistance is m 3 .
• the square-shaped base profile has an area moment of inertia I x of approximately 1610 mm 4 , while for the triangular cross-sectional profile an area moment of inertia I x of about 2000 mm 4 results. This results in a significant increase of approx. 24%.
• the present invention thus provides an easy to use, an easy to use, an easy to use, an easy to use, an easy to use, an

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Pallets (AREA)
• Auxiliary Devices For And Details Of Packaging Control (AREA)
• Packages (AREA)

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• 2017
  • 2017-07-13 DE DE102017006653.1A patent/DE102017006653B4/de active Active
• 2018
  • 2018-07-13 WO PCT/EP2018/000356 patent/WO2019011468A1/de not_active Ceased
  • 2018-07-13 RU RU2020106570A patent/RU2762921C2/ru active
  • 2018-07-13 US US16/630,279 patent/US11208250B2/en active Active
  • 2018-07-13 JP JP2020501286A patent/JP7155232B2/ja active Active
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  • 2018-07-13 SG SG11202000302QA patent/SG11202000302QA/en unknown
  • 2018-07-13 CN CN201880046712.3A patent/CN110869290B/zh active Active
  • 2018-07-13 CA CA3069605A patent/CA3069605A1/en active Pending
  • 2018-07-13 PL PL18745495T patent/PL3652088T3/pl unknown
  • 2018-07-13 ES ES18745495T patent/ES2898257T3/es active Active
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  • 2018-07-13 BR BR112020000587-8A patent/BR112020000587B1/pt active IP Right Grant
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  • 2018-07-13 EP EP18745495.4A patent/EP3652088B1/de active Active
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  • 2018-07-13 HU HUE18745495A patent/HUE056478T2/hu unknown
  • 2018-07-13 PT PT187454954T patent/PT3652088T/pt unknown
• 2020
  • 2020-01-28 ZA ZA2020/00563A patent/ZA202000563B/en unknown

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