EP3418216A1 - Schüttgutbehälter - Google Patents

Schüttgutbehälter Download PDF

Info

Publication number: EP3418216A1
Authority: EP; European Patent Office
Prior art keywords: tank; container; bag; housing; outlet
Prior art date: 2017-06-21
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.): Granted

Application number

EP17177074.6A

Other languages

English (en)

French (fr)

Other versions

EP3418216B1 (de

Inventor

Ricard DURAN

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.)

Schoeller Allibert GmbH

Original Assignee

Schoeller Allibert GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2017-06-21

Filing date

2017-06-21

Publication date

2018-12-26

2017-06-21 Application filed by Schoeller Allibert GmbH filed Critical Schoeller Allibert GmbH

2017-06-21 Priority to EP17177074.6A priority Critical patent/EP3418216B1/de

2017-06-21 Priority to ES17177074T priority patent/ES2973776T3/es

2018-12-26 Publication of EP3418216A1 publication Critical patent/EP3418216A1/de

2024-02-07 Application granted granted Critical

2024-02-07 Publication of EP3418216B1 publication Critical patent/EP3418216B1/de

Status Active legal-status Critical Current

2037-06-21 Anticipated expiration legal-status Critical

Images

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
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
- 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
- B65D90/028—Wall construction hollow-walled, e.g. double-walled with spacers

Definitions

the invention relates to a container for the transport and storage of, especially liquid or granulated, goods, more particular an intermediate bulk container, comprising a fillable internal tank or bag and a supporting structure enclosing the internal tank or bag.
IBC Intermediate Bulk Containers
These usually comprise a fillable internal liner bag or tank and a supporting structure enclosing said tank or bag, thereby providing support and shielding to the tank or bag.
the supporting structure is implemented as a wire mesh cage, bar frame or the like.
Intermediate bulk containers are generally stackable containers mounted on a pallet designed to be moved using a forklift or a pallet jack and often have a cuboid shape in order to maximally utilize the fill-volume that can be fitted on top of a standardized pallet.
the known supporting and shielding structures made of metal have numerous disadvantages such as the incomplete shielding because of the gaps in between the single wires/tubes or the susceptibility to corrosion, especially when transporting aggressive substances. Furthermore, such metal IBCs are laborious in their construction, since they have to be pieced together out of numerous single metal bars or tubes.
foldable IBCs made of polymer are known to the state of the art. These have the disadvantage that they consist of a large number of single parts (multiple foldable walls), which results in a high number of necessary assembly operations.
the present invention is directed towards providing a container for the transport and storage of liquids, pastes, powders, granulates and the like, with a simple construction and a reduced number of assembly steps.
a container for the transport and storage of, especially liquid, granulated, powdered, viscous or paste-like, goods comprising an internal fillable tank of bag and a supporting structure at least partially surrounding/enclosing/encompassing said tank or bag.
said supporting structure comprises at least two shell-like (cupped) housing components, which can be (releasably) connected to enclose/encase the bag or tank at least partially, preferably from all sides, more preferably completely.
the term shell-like shall be defined such that each of the two housing components encompasses more than one side of the internal tank or bag.
each of the at least two housing components is curved (bent) or angled in such a manner that it can support or shield at least two sides of the internal tank or bag.
the shell-like structure of the housing components poses the advantage that the amount of housing components necessary to provide sufficient enclosure can be reduced, since each single housing component can shield and support multiple sides of the internal tank or bag. Further, the shell-like structure facilitates the positioning of the housing components relative to the tank or bag.
the tank or bag and/or at least one of the housing components may be made of a plastic/polymer e.g. polyethylene or polypropylene. It is preferred, that the tank or bag and/or at least one of the housing components are manufactured in a molding process.
both of the shell-like housing components can each cover at least 20%, preferably at least 30%, more preferably at least 40%, of the outer surface of the tank or bag.
the two shell-like housing components can almost completely encompass/encase (in a closed manner) the tank or bag with the exception of few functionally necessary recesses/windows (breakthroughs) and thereby provide more complete protection than common wire mesh cages.
the supporting and shielding structure can comprise only (exactly) two shell-like housing components.
the supporting structure can consist of a minimum amount of components, while still encompassing and supporting/shielding the tank or bag from all sides.
the two shell-like housing components have a cup-shape or an open box-shape and can be releasably joined together at their respective rims to enclose/encase the bag or tank.
the two shell-like housing components can be an upper housing component and a lower housing component, preferably designed to be moved using a forklift or a pallet jack.
the lower housing component can comprise at least two (parallel) forklift slots, recesses, receivers or the like. It is preferred that the forklift slots are only arranged in the back and the lateral sides of the container - not in the front side - in order to reduce the chances of damaging the vulnerable front side with a forklift or pallet jack.
the forklift slots are integral, more particular molded into, with the lower housing component.
the lower housing component can comprise a (at least partially) circumferential wall which extends in an upwards direction no more than two thirds, preferably no more than one half, of the tank or bag's height. Because of the (at least partially) circumferential wall of the shell-like shape of the lower housing component, the tank or bag can be positioned and centered more easily thereon, when compared to a common pallet. Afterwards the upper housing component need only be placed on top and be (releasably) fixed to an upper rim constituted by said circumferential wall.
the two shell-like housing components can constitute an essentially cuboid or cylindrical shape, when joined together.
the two shell-like housing components can preferably produce a cuboid outer shape of the container when connected around the tank or bag.
the joined housing can have a cuboid shape in order to maximally utilize the fill-volume that can be fitted on top of a the pallet-like section of the lower housing component and in order to improve stackability of the containers.
the tank can have an essentially cylindrical or cylinder-like shape. Such design can improve resilience of the tank to pressure loads.
the tank can have an essentially cylindrical or cylinder-like shape, while the supporting structure has an essentially cuboid shape to the outside and an at least partially complementary cylindrical shape to the inside.
an inner surface of the lower housing component can be essentially complementary to an outer surface of the tank or bag, such that the tank or bag lies fittingly in (at least a segment of) said inner surface.
stacking devices can be provided to the supporting structure (housing).
the stacking devices may preferably be molded integrally with the two housing components. More preferably the stacking devices may be arranged in proximity to the corners of the top and bottom surfaces of the assembled housing.
the vertical edges (vertical edge sections) of the supporting structure (housing) can be reinforced (e.g. through local material reinforcement), in order to better transfer stacking loads. Through such design, transfer of the stacking loads through the vertical edges of the supporting structure (housing) can be improved, thereby bypassing the tank or bag.
the tank or bag can comprise at least one inlet opening, more particular an inlet opening located on or near/adjacent to an upper side of the tank or bag.
the tank or bag may comprise at least one outlet opening, more particular an outlet opening located near/adjacent to a lower side of the tank or bag.
the supporting structure comprises windows/recesses/breakthroughs corresponding to at least one of said inlet or outlet openings thereby making the same accessible to external operation.
the tank may be positioned (held/suspended) at an angle inside the supporting structure (housing), such that a decline towards the outlet opening is formed.
this is achieved by declining the inner surface of the lower housing component, which is formed complementary to the bag or tank and serves as a bearing therefor.
the outlet opening of the tank or bag can be provided with an outlet tap (e.g. valve, spigot, or faucet).
the window/recess/breakthrough in the supporting structure exposing the outlet opening can be configured to support the outlet tap from below with its lower edge.
the lower edge of the window/recess/breakthrough exposing the outlet opening can form a base supporting the lower side of the outlet tap. It is a long standing problem in intermediate bulk containers that the outlet taps break under the load of connecting tubes or pipes.
the outlet tap can be supported by an integral bearing without necessitating any additional components or manufacturing steps.
the tank or bag can be at least partially transparent and comprise a fill-level indicator.
said fill-level indicator can be positioned above the outlet opening, such that the fill-level can be checked during any operation of the outlet tap.
the supporting structure (housing) can preferably comprise a corresponding window/recess/breakthrough exposing the fill-level indicator. More preferably, the window/recess/breakthrough in the supporting structure (housing) exposing the outlet opening can be designed such that it also exposes a fill-level indicator located above the outlet opening.
said exposing window/recess/breakthrough in the supporting structure (housing) can be drawn upwards (be designed in its upward dimension), such that it is formed by complementary windows/recesses/breakthroughs in both the lower housing component and the upper housing component.
an integral ladder section may be formed in at least one wall section of the supporting structure (housing).
the integral ladder section can be constituted by a number of footholds, e.g. recesses, horizontal edges, horizontal ribs or similar structures, which are arranged vertically above one another and preferably spaced apart equidistantly.
at least one hand rail e.g. in the form of a vertical rib, may be provided adjacent to the footholds.
the footholds may preferably be coated or treated to provide an anti-slip surface.
the integral ladder section provides easy accessibility to the functional units (e.g. inlet opening) located on the top side of the container without necessitating any additional parts or manufacturing steps.
the tank/bag and/or the upper and lower housing component may be made of plastic/polymer and be manufactured in a rotational molding process.
the rotational molding process provides a higher tolerance against pressure and impact loads when compared to e.g. injection molding.
designated surfaces for (adhesive) labels may be provided on both of the shell-like housing components.
the minimum wall strength of the assembled housing may be in the range of 150 to 200 mm, preferably 175 mm.
the walls of the housing components can be constructed as hollow core walls in order to reduce the weight and the material necessary for production of the housing while maintaining good mechanical qualities.
a core concept of the present invention is to provide a packaging concept based in three (rotational molded) plastic pieces/components: a cover part (upper housing component), a pallet part (lower housing component) and a fillable internal tank or bag.
Fig. 1 shows a perspective view of a container 1 according to a preferred embodiment.
the depicted container 1 is of the intermediate bulk container type.
the shown container 1 is classified as bulk container for liquids and viscous liquids and typically has a fill-volume between 500 liters and 4000 liters, preferably around 3000 liters.
IBC type containers are usually mounted on top of a pallet or comprise a pallet-like (forklift compatible) lower section. Compared to the classical transport of liquid or granulated goods in steel barrels stacked on top of a pallet, IBCs provide the advantage of optimally utilizing the fill-volume provided by the pallet-format and reducing the net weight of the packaging.
the depicted container 1 of the preferred embodiment has a length of approximately 2385 mm, a width of approximately 1570 mm and a height of approximately 1870 mm.
the depicted container 1 is structured such that it comprises an internal tank 2, which is encompassed/enclosed by two shell-shaped (bowl-shaped/cup-shaped) housing components 3.1, 3.2, more particular a lower housing component 3.1 and an upper housing component 3.2, which form a cuboid housing when assembled together.
the internal tank 2 is placed onto the lower housing component 3.1 and into the circumferential wall formed by the same. This way, the circumferential wall of the shell-shaped lower housing component 3.1 helps in positioning and centering the substantially cylindrical tank 2 and also provides some stability, even without the upper housing component 3.2.
both housing components 3.1, 3.2 comprise circumferential vertical wall sections, which form circumferential edges 3.3.
the upper and lower housing components 3.1 and 3.2 are assembled with said edges 3.3 facing each other and forming an assembly interface 3.3, where the two housing components 3.1 and 3.2 can be releasably connected, e.g. through a bolt, screw, snap or similar connection.
the side walls of the upper and lower housing components 3.1, 3.2 are each provided with vertical grooves (beads) 3.4 respectively, which help improving the stiffness of the housing 3.1, 3.2.
vertical grooves 3.4 meet the interface 3.3 between the two housing parts 3.1, 3.2
flange-like fastening sections 3.5 are formed, which are provided with through bores in the depicted example.
the through bores serve for screwing/bolting or otherwise fastening the two housing parts 3.1, 3.2 together.
the indented positioning of the fastening sections 3.5 inside the vertical grooves 3.4 helps to prevent an accidental damaging of the utilized fasteners.
a further function of the housing 3.1, 3.2 is enabling multiple containers 1 to be stacked, in particular in an empty state.
This stacking function can preferably be implemented such that the stacking devices 4.1 (here: stacking cones) are arranged in the corners of the top surface of the housing 3.1 3.2, thereby enabling the flow of stacking forces to bypass the internal tank 2 and to be led through reinforced (pillar-like) vertical edges of the housing 3.1, 3.2 instead.
the stacking devices 4.1 can be received by stacking recesses 4.2 formed on the bottom side of the lower housing component 3.1. As the skilled person will appreciate any other pairing of complementary shapes will fulfill the same function as the exemplary depicted cones 4.1 and recesses 4.2.
the conical shape of the stacking devices 4.1 facilitates the threading of the stacking devices 4.1 into the stacking recesses 4.2.
the upper housing component 3.2 comprises a stacking frame 4.3 on its top surface, which interacts with a corresponding recess 4.4 on the bottom side of the lower housing component 3.1 and serves as an additional point of force introduction.
the stacking frame 4.3 is further provided with eyebolts 4.5, which allow an operator to fix hooks of safety jackets therein.
the fillable internal tank 2 is provided with an inlet opening 5 and an outlet opening 6.
the inlet opening is provided in a top section of the tank 2, to enable complete filling of the tank 2.
the outlet opening 6 is provided in a frontal side wall of the tank 2 and in proximity to the base of the tank 2, in order to facilitate complete emptying of the tank 2.
the upper housing component 3.2 is provided with an inlet window 5.1, which is a breakthrough in exposing the inlet opening of the tank 2.
the lower housing component 3.1 is provided with an outlet window 6.1, which is a breakthrough in exposing the outlet opening of the tank 2.
a base portion 6.2 of the outlet window 6.1 forms an integral supporting structure for an outlet tap 6.3, which is operationally connected to the outlet opening 6 of the tank 2.
the outlet window base 6.2 is designed complementary to a lower section of the outlet tap 6.3, in order to maximize the supporting surface.
the outlet window 6.1 in the depicted embodiment is formed as a tall, substantially rectangular, opening, which extends up into the upper housing component 3.2 in order to expose a fill-level indicator 2.2 provided in a front side of the tank 2 and arranged above the outlet opening 6.
the fill-level indicator 2.2 may be integrally formed onto or engraved into tank 2.
the tank is preferably made of an at least partially transparent material, e.g. a (low crystallinity) polyethylene.
the outlet tap 6.3 (and preferably also the outlet window base 6.2) is indented with respect to the outer surface of the housing 3.1, 3.2 in order to protect the outlet tap 6.3 from damage. It is advantageous, if the outlet tap is indented at least 50 mm, preferably 200 mm, in respect to the outer surface of the housing 3.1, 3.2.
the internal tank 2 has a substantially cylindrical shape, which is complementarily received by an inner surface of the housing 3.1, 3.2. More precisely, the tank 2 is fittingly received by the lower housing component 3.1, while there remains a gap 2.1 between a top section of the tank 2 and a top section of the inner surface of the upper housing component 3.2. Said gap 2.1 helps prevent the transfer of stacking forces through the tank 2 and facilitates transfer of the stacking forces through the reinforced vertical edges of the housing 3.1, 3.2 instead. As is best seen in Fig. 6 , the internal tank 2 is supported by the bottom inner surface of the lower housing component 3.1 at a slight angle ⁇ . This further facilitates a complete emptying of the tank 2, since the bottom surface of the tank 2 declines towards the outlet opening 6.
the lower housing component comprises 3.1 several forklift slots 7, which are arranged in pairs each and are integrally formed into the lower housing component 3.2.
the forklift slots 7 are only arranged in the back sides (c.f. Fig. 8 ) and lateral sides (c.f. Fig. 7 ) of the container 1 - not in the front side (c.f. Fig. 2 ) - in order to reduce the chances of damaging the outlet opening 6 (especially the outlet tap) during operation of a forklift or pallet jack.
the side walls and the back wall of the depicted IBC are provided with an integral ladder section 8 each.
the ladder sections 8 are each constituted by a number of integral footholds 8.1 (recesses forming a horizontal lower edge), which are arranged vertically above one another and are spaced apart equidistantly.
the integral ladder on the back side of the container 1 is provided with vertical ribs 8.2 arranged adjacent to the footholds 8.1 and thereby framing the ladder section 8 as hand rails 8.2.
the ladder sections 8 are arranged in line with the inlet opening 5 (when viewed in container width or length direction respectively), so as to provide easy access to the inlet opening for the operator climbing the ladder section 8.
the ladder section 8 located in the back wall of the depicted container constitutes the main ladder providing access to the top of the container and being fixed to the EN ISO 14122 standard.
the second ladder section in the container side wall is intended for visual inspection only in the depicted preferred embodiment.
the integral ladder section 8 extends over both the upper housing component 3.2 and the lower housing component 3.1.
the circumferential edge 3.3 of the lower housing component 3.1 constitutes one of the footholds 8.1.
the footholds 8.1 of the preferred embodiment have a depth of 175 mm or more in order to provide stable footing to the operator.
a venting pipe 9 is depicted, which is beneficial e.g. for allowing emptying of the tank 2, while the inlet opening 5 is sealed or vice versa. Furthermore, an additional venting (relief valve) 10 is provided adjacent to the inlet opening 5, as can be seen in figures 1 and 4 .

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Pallets (AREA)
Details Of Rigid Or Semi-Rigid Containers (AREA)
Containers Having Bodies Formed In One Piece (AREA)

EP17177074.6A 2017-06-21 2017-06-21 Schüttgutbehälter Active EP3418216B1 (de)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
EP17177074.6A EP3418216B1 (de)	2017-06-21	2017-06-21	Schüttgutbehälter
ES17177074T ES2973776T3 (es)	2017-06-21	2017-06-21	Contenedor intermedio a granel

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP17177074.6A EP3418216B1 (de)	2017-06-21	2017-06-21	Schüttgutbehälter

Publications (2)

Publication Number	Publication Date
EP3418216A1 true EP3418216A1 (de)	2018-12-26
EP3418216B1 EP3418216B1 (de)	2024-02-07

Family

ID=59101327

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17177074.6A Active EP3418216B1 (de)	2017-06-21	2017-06-21	Schüttgutbehälter

Country Status (2)

Country	Link
EP (1)	EP3418216B1 (de)
ES (1)	ES2973776T3 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0657368A2 (de) *	1993-12-09	1995-06-14	American Cyanamid Company	Container zur Aufnahme und Abgabe von flüssigen und semi-flüssigen Produkten
US20090084800A1 (en) *	2007-10-01	2009-04-02	Hoover Materials Handling Group, Inc.	Bulk container sweep elbow
US20100320727A1 (en) *	2009-06-18	2010-12-23	Kenneth Haut	Intermodal tank transport system, components, and methods
WO2011018768A1 (en) *	2009-08-14	2011-02-17	Trans Ocean Bulk Logistics Limited	Shipping of liquids
US20150284194A1 (en) *	2012-07-23	2015-10-08	Oren Technologies, Llc	Apparatus for the transport and storage of proppant
WO2017009748A1 (en) *	2015-07-13	2017-01-19	Alessio Dainelli	Tank assembley made of plastics and tank truck with such a tank assembley

2017
- 2017-06-21 EP EP17177074.6A patent/EP3418216B1/de active Active
- 2017-06-21 ES ES17177074T patent/ES2973776T3/es active Active

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0657368A2 (de) *	1993-12-09	1995-06-14	American Cyanamid Company	Container zur Aufnahme und Abgabe von flüssigen und semi-flüssigen Produkten
US20090084800A1 (en) *	2007-10-01	2009-04-02	Hoover Materials Handling Group, Inc.	Bulk container sweep elbow
US20100320727A1 (en) *	2009-06-18	2010-12-23	Kenneth Haut	Intermodal tank transport system, components, and methods
WO2011018768A1 (en) *	2009-08-14	2011-02-17	Trans Ocean Bulk Logistics Limited	Shipping of liquids
US20150284194A1 (en) *	2012-07-23	2015-10-08	Oren Technologies, Llc	Apparatus for the transport and storage of proppant
WO2017009748A1 (en) *	2015-07-13	2017-01-19	Alessio Dainelli	Tank assembley made of plastics and tank truck with such a tank assembley

Also Published As

Publication number	Publication date
EP3418216B1 (de)	2024-02-07
ES2973776T3 (es)	2024-06-24

Publication	Publication Date	Title
CN102186749B (zh)	2014-08-06	用来储存流体的货柜
US4785957A (en)	1988-11-22	Collapsible shipping container
CA2625977A1 (en)	2007-04-26	Performance oriented pail
US20110315689A1 (en)	2011-12-29	Bulk Packaging Container
RU2695837C1 (ru)	2019-07-29	Транспортно-складской контейнер для жидкостей
AU2014328466B2 (en)	2017-11-23	Fluid container assembly with corner reinforcing posts
US5655679A (en)	1997-08-12	Pallet container for the transport and the storage of liquids
GB2245883A (en)	1992-01-15	A collapsible container
EP0303264A2 (de)	1989-02-15	Vorrichtung, bestehend aus einer Palette und Fässern, zum sicheren Transport von gefährlichen Stoffen
US20160362223A1 (en)	2016-12-15	Stackable pallet container fitted with a top reinforcement frame
ITMI20010343A1 (it)	2002-08-20	Contenitore a paletta per liquidi
CN104854002A (zh)	2015-08-19	模块化储罐
KR20120028951A (ko)	2012-03-23	중형산적용기
WO2012085938A1 (en)	2012-06-28	Pallet container with improved top lifting performance
EP3418216B1 (de)	2024-02-07	Schüttgutbehälter
US8689997B2 (en)	2014-04-08	Container with lid
US11407583B2 (en)	2022-08-09	Intermediate bulk container
KR101394836B1 (ko)	2014-05-13	액체용 운반 및 저장 용기를 위한 팔레트형 베이스 프레임
US20160376059A1 (en)	2016-12-29	Stackable pallet container fitted with a top reinforcement frame
US11407582B2 (en)	2022-08-09	Spill containment system for container tanks
EP0643665A1 (de)	1995-03-22	Bodenrahmen für transport- oder flüssigkeitsbehälter
US20130213969A1 (en)	2013-08-22	Fuel tanks
AU2011101345A4 (en)	2011-11-17	A storage tank for liquids
US9033173B2 (en)	2015-05-19	Overpack for storage and handling for containers for liquids
CN210028638U (zh)	2020-02-07	一种集装桶

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