EP2514681B1 - Pallet-like underframe for transport and storage containers for liquids - Google Patents

Pallet-like underframe for transport and storage containers for liquids Download PDF

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Publication number
EP2514681B1
EP2514681B1 EP12161093.5A EP12161093A EP2514681B1 EP 2514681 B1 EP2514681 B1 EP 2514681B1 EP 12161093 A EP12161093 A EP 12161093A EP 2514681 B1 EP2514681 B1 EP 2514681B1
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EP
European Patent Office
Prior art keywords
edge web
web section
corner
underframe
foot
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Application number
EP12161093.5A
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German (de)
French (fr)
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EP2514681A1 (en
EP2514681B8 (en
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Protechna SA
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Protechna SA
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Priority to PL12161093T priority Critical patent/PL2514681T3/en
Publication of EP2514681A1 publication Critical patent/EP2514681A1/en
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Publication of EP2514681B1 publication Critical patent/EP2514681B1/en
Publication of EP2514681B8 publication Critical patent/EP2514681B8/en
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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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0213—Containers presenting a continuous stacking profile along the upper or lower edge of at least two opposite side walls
    • 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
    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/40—Elements for spacing platforms from supporting surface
    • 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

Definitions

  • the present invention relates to a pallet-like underframe, in particular for transport and storage containers for liquids, which are equipped with an inner container made of plastic with a closable filler neck and an emptying neck for connection to a withdrawal fitting and an outer jacket made of a metal grid or sheet metal, the underframe being equipped with a Has bottom for supporting the inner container and corner and center feet made of metal, which are attached to a foot frame and to which the bottom of the underframe is fastened, the corner feet having a cup-like corner foot body with a front wall curved corresponding to a corner radius of a frame corner of the foot frame and laterally a central axis of the front wall formed cup parts, wherein the cup parts each have an inwardly angled edge web formed on the peripheral edge of the front wall, with an upper edge web section, a lower edge web section and egg nem lateral edge web section which is formed between the upper and the lower edge web section on a side edge of the front wall.
  • a generic pallet-like underframe with corner feet which have an upper edge web section and a lower edge web section which are connected to one another by lateral edge web sections.
  • the lateral edge web sections are formed by inwardly angled, outer legs on the front wall of the corner foot and are designed as rivet shafts at their upper and lower ends, which are produced independently of the upper edge web section and the lower edge web section in a forming process and the upper edge web section and the protrude beyond the lower edge web section.
  • an underframe which has corner feet which are arranged at the frame corners of the foot frame and which have a corner foot body with two cup parts which merge into one another in the region of a central axis.
  • the cup parts each have an upper edge web section and a lower edge web section on the upper edge of the front wall and on the lower edge of the front wall, which are angled substantially at right angles to the front wall.
  • the upper edge web section is used to connect to the bottom of the underframe and the lower edge web section is used to connect to the base frame of the underframe.
  • the cup parts are provided with a lateral edge web section, each of which consists of a tab-shaped sheet metal tongue on the side edge of the front wall, which is rolled inward and thus forms a stiffening element which, with its axial ends, each has the upper edge web section and the lower Edge web section is supported without the axial ends of the stiffening element being connected to the edge web sections.
  • the stiffening elements enable effective reinforcement of the edge web sections relative to one another and thus a corresponding increase in the stability of the corner feet, particularly when the corner feet are loaded parallel to the central axis of the corner feet.
  • a corresponding load case is given, for example, by the static load on the corner feet or the underframe caused by the inner container of a transport and storage container filled with liquid.
  • a maximum static load therefore results in a stacked arrangement with several transport and liquid containers arranged one above the other.
  • the stability of the stiffening elements for transmitting the shear stress could be increased by connecting the axial ends of the stiffening elements to the adjacent edge web sections. This can be done, for example, by a material connection in the manner of a welded connection between the axial ends of the stiffening elements and the adjacent edge web sections.
  • a disadvantage of such a connection is that it results in a separate processing step is required in the manufacture of the corner feet.
  • the present invention is therefore based on the object of proposing a pallet-like underframe for a transport and storage container for liquids which has increased stability and is easy to manufacture.
  • the sub-frame according to the invention has the features of claim 1.
  • the upper edge web section serves to connect the corner foot to the floor and the lower edge web section serves to connect the corner foot to the foot frame, the upper edge web section, the lateral edge web section and the lower edge web section continuously merging into one another in edge web deforming areas.
  • the ends of the lateral edge web section are thus connected in one piece to the upper and lower edge web sections without the need for special connections that would have to be produced in separate processing operations. Rather, the connection between the lateral edge web section, the upper and the lower edge web section is made by a forming process of a sheet metal blank, which is part of the forming process that is necessary for the formation or shaping of the cup-like corner foot body or the cup parts of the corner foot body.
  • edge web deformed areas are designed as spatial corner areas of the cup parts, since these corner areas can absorb forces in all three directions of force in space.
  • a further stiffening of the underframe can be achieved in that stiffening beads are formed in the front wall of the corner feet, which extend between the upper edge web section and the lower edge web section and have a bead base which, opposite a front plane defined by the front wall, to a connecting edge of the lower edge web section is inclined.
  • This enables effective stiffening in particular in the case of a pallet-like underframe, the foot frame of which is made smaller than the base of the underframe, which is particularly the case when the transport and storage containers are to be stackable, so that when the lower one is stacked on top of one another Edge of the corner feet is not only used to connect to the foot frame, but at the same time also to support on an upper edge of the outer shell of a lower transport and storage container.
  • the foot frame of the upper transport and storage container is then located within an area enclosed by the upper edge of the outer jacket of the lower transport and storage container.
  • stop tabs are arranged on the lower edge web section between the peripheral edge of the front wall and the connecting edge, which, due to their distance from the peripheral edge, provide a support edge for support on an outer shell of a lower transport and define storage container.
  • the stop straps allow a quasi-centered arrangement of the upper transport and storage container opposite the lower transport and storage container, such that between the foot frame of the upper transport and storage container and the upper edge of the outer shell of the lower transport and storage container between the foot frame and the upper edge formed circumferentially defined distance is generated, so that undesired tilting of the transport and storage containers in a stack arrangement is avoided and thus both the production of a stack arrangement and the Dissolution of a stacking arrangement with separation of the stacked transport and storage containers from one another is made easier and the occurrence of corresponding dangerous situations can be avoided.
  • a flat sheet metal blank is formed in a deep-drawing process in a first process step in such a way that a corner foot preform is formed with two cup parts formed on the side of a central axis of a bottom wall, the front wall from two shell segments curved in the same direction are composed, which merge into one another in the area of the central axis and the cup parts on the peripheral edge of the bottom wall each have an edge web continuously formed from an upper edge web, a lateral edge web section and a lower edge web section and arranged essentially at right angles to the base wall.
  • the casing segments are pivoted relative to one another about the central axis, in such a way that the casing segments form a front wall with a substantially continuous radius of curvature.
  • Fig. 1 shows a transport and storage container 10 for liquids that can be used as a disposable and reusable container, with an inner container 11 made of plastic, which has a filler neck 13 closable with a lid 12 in the upper container bottom 14 and an emptying neck 15 in the area of a lower container bottom 16 for connecting a withdrawal fitting 17 Is provided.
  • the inner container 11 is exchangeably accommodated in an outer casing 18 made of crossing horizontal and vertical metal bars 19, 20, which, like the inner container 11, is arranged on a pallet-like subframe 21.
  • the underframe 21 has a bottom 22 for supporting the inner container 11 and corner feet 23 and central feet 24 which are attached to a foot frame 25 and to which the bottom 22 and the outer casing 18 of the inner container 11 are attached.
  • the corner foot 23 has a front wall 26 which is essentially curved according to a corner radius of a frame corner 27 of the foot frame 25 and merges at its peripheral edge 28 into an edge web 29 angled towards the inner region of the foot frame 25, which has a lower Has edge web section 30 and an upper edge web section 31.
  • the lower edge web section 30 is used for connection to the foot frame 25.
  • the upper edge web section 31 is used for connection to a lower edge 32 of the outer jacket 18, such that a peripheral edge 33 of the base 22 is between the upper edge web section 31 ( Fig. 3 ) and the lower edge 32 of the outer jacket 18 is added.
  • Fig. 4 shows a corner foot preform 34, which is produced in a deep-drawing process and in a further, subsequent forming process to the in Fig. 5 shown corner foot 23 is formed.
  • the corner foot preform 34 has an essentially box-shaped or cup-shaped corner foot body 35, with two cup parts 36, 37 which are connected to one another via a common base wall.
  • the base wall 38 is formed from two cylinder jacket segments 39, 40 of the cup parts 36, 37, which merge into one another in the area of a central axis 42 of the base wall 38. How further Fig.
  • cup parts 36, 37 have along the peripheral edge of the bottom wall 38, in addition to the lower edge web section 30 and the upper edge web section 31, a lateral edge web section 43, which in edge web deforming areas 44 continuously merges into the upper edge web section 31 and the lower edge web section 30.
  • the edge web deforming areas 44 are designed as spatial corner areas of the cup parts 36, 37, in which the lower edge web section 30, the upper edge web section 31 and the adjoining area of the bottom wall 38 are arranged relative to one another according to the main axis directions of the room. Due to the manufacture of the in Fig. 4 The corner foot preforms 34 shown, based on a flat sheet metal blank, are formed at the same time as the cup parts 36, 37 when the deep-drawing process is carried out. The in Fig. 4 The corner foot preform 34 shown is thus the result of a single forming process with use a correspondingly designed punch or deep-drawing tool.
  • the in Fig. 5 corner foot 23 shown is based on the in Fig. 4
  • the corner foot preform 34 shown is produced in that, in a further deformation process, the cup parts 36, 37 are pivoted relative to one another about a pivot axis which essentially coincides with the central axis 42 of the bottom wall 38.
  • the pivoting takes place to such an extent that the bottom partial surfaces of the bottom wall 38 of the corner foot preform 34, which are designed here as cylinder jacket segments 40, 41, form the front wall 26, in which the cylinder jacket segments 40, 41 have partial surfaces of a total area - apart from the profiling of the front wall by beads or the like - are substantially continuous radius of curvature.
  • FIGs. 2 and 3 show that the front wall 26 is provided with stiffening beads 45, 46, which extend between the upper edge web section 31 and the lower edge web section 30 and have a bead base 47 which, compared to a front plane defined by the front wall 26, becomes an in Fig. 5 connecting edge 48 of the lower edge web portion 30 shown is inclined towards.
  • the connecting edge 48 has two web-shaped weld bosses 49, which are used to produce a welded connection with the foot frame 25.
  • the inclined arrangement of the corrugated bottom 47 enables a direct force transmission, free of tilting moments, between the lower edge 32 of the outer casing 18 or the bottom 22 and the foot frame 25.
  • Figures 5 and 6 show that the corner foot 23 is provided on its lower edge web section 30 on both sides of the central axis 42 with a stop tab 50, 51, which in the case of an in Fig. 6 illustrated arrangement of the corner foot 23 in stack configuration, so when the corner feet 23 of an upper transport and storage container 10 on a Upper margin 53 (see Fig. 1 ) of the outer jacket 18 of a lower transport and storage container 10 are arranged, separates a support edge 52 of the lower edge web section 30 from the connecting edge 48 of the lower edge web section 30, which is used for the welded connection to the foot frame 25.
  • the stop tabs 50, 51 are designed so that they define the distance between the upper edge 53 of the outer shell 18 of the lower transport and storage container 10 from the foot frame 25 of the upper transport and storage container 10 arranged thereon in a stacked configuration. With an arrangement of the stop tabs 50, 51 on all four corner feet of the transport and storage container, there is thus a defined free distance running around the foot frame 25 between the foot frame 25 of the upper transport and storage container 10 and the upper edge 53 of the lower transport and storage container Storage container 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Stackable Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Packages (AREA)

Description

Die vorliegende Erfindung betrifft ein palettenartiges Untergestell, insbesondere für Transport- und Lagerbehälter für Flüssigkeiten, die mit einem Innenbehälter aus Kunststoff mit einem verschließbaren Einfüllstutzen und einem Entleerstutzen zum Anschluss an eine Entnahmearmatur sowie einem Außenmantel aus einem Metallgitter oder Blech ausgestattet sind, wobei das Untergestell einen Boden zum Abstützen des Innenbehälters sowie Eck- und Mittelfüße aus Metall aufweist, die auf einem Fußrahmen angebracht sind und an denen der Boden des Untergestells befestigt ist, wobei die Eckfüße einen napfartigen Eckfußkörper aufweisen mit einer entsprechend einem Eckradius einer Rahmenecke des Fußrahmens gekrümmten Frontwandung und seitlich einer Mittelachse der Frontwandung ausgebildeten Napfteilen, wobei die Napfteile jeweils einen am Umfangsrand der Frontwandung ausgebildeten und nach innen abgewinkelten Randsteg aufweisen, mit einem oberen Randstegabschnitt, einem unteren Randstegabschnitt und einem seitlichen Randstegabschnitt, der zwischen dem oberen und dem unteren Randstegabschnitt an einem Seitenrand der Frontwandung ausgebildet ist.The present invention relates to a pallet-like underframe, in particular for transport and storage containers for liquids, which are equipped with an inner container made of plastic with a closable filler neck and an emptying neck for connection to a withdrawal fitting and an outer jacket made of a metal grid or sheet metal, the underframe being equipped with a Has bottom for supporting the inner container and corner and center feet made of metal, which are attached to a foot frame and to which the bottom of the underframe is fastened, the corner feet having a cup-like corner foot body with a front wall curved corresponding to a corner radius of a frame corner of the foot frame and laterally a central axis of the front wall formed cup parts, wherein the cup parts each have an inwardly angled edge web formed on the peripheral edge of the front wall, with an upper edge web section, a lower edge web section and egg nem lateral edge web section which is formed between the upper and the lower edge web section on a side edge of the front wall.

Aus der DE 20 2004 003 020 U1 ist ein gattungsgemäßes palettenartiges Untergestell mit Eckfüßen bekannt, die einen oberen Randstegabschnitt sowie einen unteren Randstegabschnitt aufweisen, welche durch seitliche Randstegabschnitte miteinander verbunden sind. Die seitlichen Randstegabschnitte sind durch nach innen abgewinkelte, äußere Schenkel an der Frontwandung des Eckfußes ausgebildet und sind an ihrem oberen und unteren Ende als Nietschäfte ausgebildet, die unabhängig von dem oberen Randstegabschnitt und dem unteren Randstegabschnitt in einem Umformungsvorgang hergestellt werden und den oberen Randstegabschnitt sowie den unteren Randstegabschnitt überragen. Zur Herstellung einer Nietverbindung zwischen dem Eckfuß und dem Boden und dem unteren Fußrahmen des Untergestells ist ein weiterer Umformvorgang der Nietschäfte notwendig.From the DE 20 2004 003 020 U1 a generic pallet-like underframe with corner feet is known which have an upper edge web section and a lower edge web section which are connected to one another by lateral edge web sections. The lateral edge web sections are formed by inwardly angled, outer legs on the front wall of the corner foot and are designed as rivet shafts at their upper and lower ends, which are produced independently of the upper edge web section and the lower edge web section in a forming process and the upper edge web section and the protrude beyond the lower edge web section. To produce a rivet connection between the corner foot and the floor and the lower foot frame of the subframe, a further deformation process of the rivet shafts is necessary.

Aus der DE 202 17 856 U1 ist ein Untergestell bekannt, das an den Rahmenecken des Fußrahmens angeordnete Eckfüße aufweist, die einen Eckfußkörper aufweisen mit zwei im Bereich einer Mittelachse ineinander übergehend ausgebildeten Napfteilen. Die Napfteile weisen jeweils am Oberrand der Frontwandung und am Unterrand der Frontwandung einen oberen Randstegabschnitt und einen unteren Randstegabschnitt auf, die im Wesentlichen rechtwinklig zur Frontwandung abgewinkelt sind. Dabei dient der obere Randstegabschnitt zur Verbindung mit dem Boden des Untergestells und der untere Randstegabschnitt zur Verbindung mit dem Fußrahmen des Untergestells.From the DE 202 17 856 U1 an underframe is known which has corner feet which are arranged at the frame corners of the foot frame and which have a corner foot body with two cup parts which merge into one another in the region of a central axis. The cup parts each have an upper edge web section and a lower edge web section on the upper edge of the front wall and on the lower edge of the front wall, which are angled substantially at right angles to the front wall. The upper edge web section is used to connect to the bottom of the underframe and the lower edge web section is used to connect to the base frame of the underframe.

An den Seitenrändern der Frontwandung sind die Napfteile mit einem seitlichen Randstegabschnitt versehen, der jeweils aus einer laschenförmig am Seitenrand der Frontwandung ausgebildeten Blechzunge besteht, die nach innen eingerollt ist und so ein Versteifungselement ausbildet, das mit seinen axialen Enden jeweils den oberen Randstegabschnitt und den unteren Randstegabschnitt abstützt, ohne dass die axialen Enden des Versteifungselements mit den Randstegabschnitten verbunden wären. Bei den bekannten Eckfüßen ermöglichen die Versteifungselemente insbesondere bei einer Belastung der Eckfüße parallel zur Mittelachse der Eckfüße eine wirksame Versteifung der Randstegabschnitte gegeneinander und somit eine entsprechende Erhöhung der Stabilität der Eckfüße. Ein entsprechender Belastungsfall ist beispielsweise durch die statische Belastung der Eckfüße bzw. des Untergestells bedingt durch den mit Flüssigkeit befüllten Innenbehälter eines Transport- und Lagerbehälters gegeben. Eine maximale statische Belastung ergibt sich daher bei einer Stapelanordnung mit mehreren übereinander angeordneten Transport- und Flüssigkeitsbehältern.On the side edges of the front wall, the cup parts are provided with a lateral edge web section, each of which consists of a tab-shaped sheet metal tongue on the side edge of the front wall, which is rolled inward and thus forms a stiffening element which, with its axial ends, each has the upper edge web section and the lower Edge web section is supported without the axial ends of the stiffening element being connected to the edge web sections. In the known corner feet, the stiffening elements enable effective reinforcement of the edge web sections relative to one another and thus a corresponding increase in the stability of the corner feet, particularly when the corner feet are loaded parallel to the central axis of the corner feet. A corresponding load case is given, for example, by the static load on the corner feet or the underframe caused by the inner container of a transport and storage container filled with liquid. A maximum static load therefore results in a stacked arrangement with several transport and liquid containers arranged one above the other.

In einem Belastungsfall, bei dem die statische Last nicht parallel zur Mittelachse des Eckfußes wirkt oder auch bei einer dynamischen Belastung des Eckfußes, die beispielsweise bei der Handhabung eines Transport- und Lagerbehälters oder als Folge eines Behälterabsturzes oder eines ungleichmäßigen Aufsetzens des Behälters auf den Untergrund auftreten kann, müssen über die Versteifungselemente erhöhte Schubkräfte zwischen den oberen und unteren Randstegabschnitten übertragen werden, so dass die durch die seitlichen Randstegabschnitte gebildeten Versteifungselemente entsprechend stabil auszugestalten bzw. zu dimensionieren sind. Grundsätzlich ist es jedoch wünschenswert, zur Material- und Gewichtseinsparung möglichst dünne Bleche zur Herstellung der Eckfüße zu verwenden.In a load case in which the static load does not act parallel to the central axis of the corner foot or in the case of a dynamic load on the corner foot, which occurs, for example, when handling a transport and storage container or as a result of a container falling or unevenly placing the container on the ground can, increased shear forces must be transmitted between the upper and lower edge web sections via the stiffening elements, so that the stiffening elements formed by the lateral edge web sections are to be designed or dimensioned in a correspondingly stable manner. In principle, however, it is desirable to use sheets that are as thin as possible to produce the corner feet in order to save material and weight.

Die Stabilität der Versteifungselemente zur Übertragung der Schubbeanspruchung könnte dadurch erhöht werden, dass die axialen Enden der Versteifungselemente mit den benachbarten Randstegabschnitten verbunden werden. Dies kann beispielsweise durch eine stoffschlüssige Verbindung nach Art einer Schweißverbindung zwischen den axialen Enden der Versteifungselemente und den benachbarten Randstegabschnitten geschehen. Nachteilig an einer derartig ausgebildeten Verbindung ist jedoch, dass hierdurch ein gesonderter Bearbeitungsschritt bei der Herstellung der Eckfüße erforderlich wird.The stability of the stiffening elements for transmitting the shear stress could be increased by connecting the axial ends of the stiffening elements to the adjacent edge web sections. This can be done, for example, by a material connection in the manner of a welded connection between the axial ends of the stiffening elements and the adjacent edge web sections. However, a disadvantage of such a connection is that it results in a separate processing step is required in the manufacture of the corner feet.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein palettenartiges Untergestell für einen Transport- und Lagerbehälter für Flüssigkeiten vorzuschlagen, das eine erhöhte Stabilität aufweist und einfach herstellbar ist.The present invention is therefore based on the object of proposing a pallet-like underframe for a transport and storage container for liquids which has increased stability and is easy to manufacture.

Zur Lösung dieser Aufgabe weist das erfindungsgemäße Untergestell die Merkmale des Anspruchs 1 auf.To achieve this object, the sub-frame according to the invention has the features of claim 1.

Bei dem erfindungsgemäßen Untergestell dient der obere Randstegabschnitt zur Verbindung des Eckfußes mit dem Boden und der untere Randstegabschnitt zur Verbindung des Eckfußes mit dem Fußrahmen, wobei der obere Randstegabschnitt, der seitliche Randstegabschnitt und der untere Randstegabschnitt in Randstegumformbereichen kontinuierlich ineinander übergehend ausgebildet sind.In the sub-frame according to the invention, the upper edge web section serves to connect the corner foot to the floor and the lower edge web section serves to connect the corner foot to the foot frame, the upper edge web section, the lateral edge web section and the lower edge web section continuously merging into one another in edge web deforming areas.

Bei dem erfindungsgemäßen Untergestell sind somit die Enden des seitlichen Randstegabschnitts einstückig mit dem oberen und dem unteren Randstegabschnitt verbunden, ohne dass besondere Verbindungen, die etwa in gesonderten Bearbeitungsvorgängen hergestellt werden müssten, notwendig sind. Vielmehr wir die Verbindung zwischen dem seitlichen Randstegabschnitt,dem oberen und dem unteren Randstegabschnitt durch einen Umformvorgang eines Blechzuschnitts hergestellt, der Bestandteil des Umformvorgangs ist, der zur Ausbildung bzw. Formung des napfartigen Eckfußkörpers bzw. der Napfteile des Eckfußkörpers notwendig ist.In the underframe according to the invention, the ends of the lateral edge web section are thus connected in one piece to the upper and lower edge web sections without the need for special connections that would have to be produced in separate processing operations. Rather, the connection between the lateral edge web section, the upper and the lower edge web section is made by a forming process of a sheet metal blank, which is part of the forming process that is necessary for the formation or shaping of the cup-like corner foot body or the cup parts of the corner foot body.

Eine besondere Stabilität der Randstegumformbereiche wird ermöglicht, wenn diese als räumliche Eckbereiche der Napfteile ausgebildet sind, da diese Eckbereiche Kräfte in allen drei Kraftrichtungen des Raumes aufnehmen können.A particular stability of the edge web deformed areas is made possible if they are designed as spatial corner areas of the cup parts, since these corner areas can absorb forces in all three directions of force in space.

Eine weitere Versteifung des Untergestells kann dadurch erreicht werden, dass in die Frontwandung der Eckfüße Versteifungssicken eingeformt sind, die sich zwischen dem oberen Randstegabschnitt und dem unteren Randstegabschnitt erstrecken und einen Sickenboden aufweisen, der gegenüber einer durch die Frontwandung definierten Frontebene zu einem Verbindungsrand des unteren Randstegabschnitts hin geneigt ist. Damit wird insbesondere eine wirksame Versteifung möglich bei einem palettenartigen Untergestell, dessen Fußrahmen kleiner ausgebildet ist als der Boden des Untergestells, was insbesondere dann der Fall ist, wenn eine Stapelbarkeit der Transport- und Lagerbehälter gegeben sein soll, so dass bei übereinander gestapelter Anordnung der untere Rand der Eckfüße nicht nur zur Verbindung mit dem Fußrahmen dient, sondern gleichzeitig auch zur Abstützung auf einem Oberrand des Außenmantels eines unteren Transport- und Lagerbehälters. Bei einer derartigen Stapelanordnung befindet sich dann der Fußrahmen des oberen Transport- und Lagerbehälters innerhalb einer durch den Oberrand des Außenmantels des unteren Transport- und Lagerbehälters umschlossenen Fläche.A further stiffening of the underframe can be achieved in that stiffening beads are formed in the front wall of the corner feet, which extend between the upper edge web section and the lower edge web section and have a bead base which, opposite a front plane defined by the front wall, to a connecting edge of the lower edge web section is inclined. This enables effective stiffening in particular in the case of a pallet-like underframe, the foot frame of which is made smaller than the base of the underframe, which is particularly the case when the transport and storage containers are to be stackable, so that when the lower one is stacked on top of one another Edge of the corner feet is not only used to connect to the foot frame, but at the same time also to support on an upper edge of the outer shell of a lower transport and storage container. In such a stacking arrangement, the foot frame of the upper transport and storage container is then located within an area enclosed by the upper edge of the outer jacket of the lower transport and storage container.

Zur definierten Relativanordnung übereinander gestapelter Transport- und Lagerbehälter erweist es sich auch als besonders vorteilhaft, wenn am unteren Randstegabschnitt zwischen dem Umfangsrand der Frontwandung und dem Verbindungsrand Anschlaglaschen angeordnet sind, die durch ihren Abstand vom Umfangsrand einen Auflagerrand zur Abstützung auf einem Außenmantel eines unteren Transport- und Lagerbehälters definieren. Dabei ermöglichen die Anschlaglaschen eine quasi zentrierte Anordnung des oberen Transport- und Lagerbehälters gegenüber dem unteren Transport- und Lagerbehälter, derart, dass zwischen dem Fußrahmen des oberen Transport- und Lagerbehälters und dem Oberrand des Außenmantels des unteren Transport- und Lagerbehälters ein zwischen dem Fußrahmen und dem Oberrand umlaufend ausgebildeter definierter Abstand erzeugt wird, so dass ein unerwünschtes Verkanten der Transport- und Lagerbehälter bei einer Stapelanordnung vermieden und damit sowohl die Herstellung einer Stapelanordnung als auch die Auflösung einer Stapelanordnung mit Trennung der aufeinander gestapelten Transport- und Lagerbehälter voneinander leichter ermöglicht wird und Entstehen entsprechender Gefahrsituationen vermieden werden kann.For the defined relative arrangement of stacked transport and storage containers, it also proves to be particularly advantageous if stop tabs are arranged on the lower edge web section between the peripheral edge of the front wall and the connecting edge, which, due to their distance from the peripheral edge, provide a support edge for support on an outer shell of a lower transport and define storage container. The stop straps allow a quasi-centered arrangement of the upper transport and storage container opposite the lower transport and storage container, such that between the foot frame of the upper transport and storage container and the upper edge of the outer shell of the lower transport and storage container between the foot frame and the upper edge formed circumferentially defined distance is generated, so that undesired tilting of the transport and storage containers in a stack arrangement is avoided and thus both the production of a stack arrangement and the Dissolution of a stacking arrangement with separation of the stacked transport and storage containers from one another is made easier and the occurrence of corresponding dangerous situations can be avoided.

Zur Herstellung eines Fußes für ein palettenartiges Untergestell für einen Transport- und Lagerbehälter für Flüssigkeiten erfolgt in einem ersten Verfahrensschritt die Umformung eines ebenen Blechzuschnitts in einem Tiefziehvorgang derart, dass ein Eckfußvorformling ausgebildet wird mit zwei seitlich einer Mittelachse einer Bodenwandung ausgebildeten Napfteilen, wobei die Frontwandung aus zwei gleichsinnig gekrümmten Mantelsegmenten zusammengesetzt ist, die im Bereich der Mittelachse ineinander übergehen und die Napfteile am Umfangsrand der Bodenwandung jeweils einen aus einem oberen Randsteg, einem seitlichen Randstegabschnitt und einem unteren Randstegabschnitt kontinuierlich ausgebildeten, im Wesentlichen rechtwinklig zur Bodenwandung angeordneten Randsteg aufweisen.To produce a foot for a pallet-like underframe for a transport and storage container for liquids, a flat sheet metal blank is formed in a deep-drawing process in a first process step in such a way that a corner foot preform is formed with two cup parts formed on the side of a central axis of a bottom wall, the front wall from two shell segments curved in the same direction are composed, which merge into one another in the area of the central axis and the cup parts on the peripheral edge of the bottom wall each have an edge web continuously formed from an upper edge web, a lateral edge web section and a lower edge web section and arranged essentially at right angles to the base wall.

Erfindungsgemäß erfolgt in einem nachfolgenden Verfahrensschritt bei der Herstellung des Eckfußes ein Verschwenken der Mantelsegmente um die Mittelachse gegeneinander, derart, dass die Mantelsegmente eine Frontwandung mit im Wesentlichen kontinuierlichem Krümmungsradius ausbilden.According to the invention, in a subsequent method step in the manufacture of the corner foot, the casing segments are pivoted relative to one another about the central axis, in such a way that the casing segments form a front wall with a substantially continuous radius of curvature.

Nachfolgend wird eine bevorzugte Ausführungsform eines palettenartigen Untergestells für Transport- und Lagerbehälter anhand der Zeichnung näher erläutert.A preferred embodiment of a pallet-like sub-frame for transport and storage containers is explained in more detail below with reference to the drawing.

Es zeigen:

Fig. 1
eine perspektivische Darstellung eines mit einem palettenartigen Untergestell ausgerüsteten Transport- und Lagerbehälters für Flüssigkeiten;
Fig. 2
eine vergrößerte Darstellung eines Eckbereichs des Untergestells des in Fig. 1 dargestellten Transport- und Lagerbehälters;
Fig. 3
eine isometrische Einzeldarstellung eines Eckfußes;
Fig. 4
einen Eckfußvorformling in isometrischer Darstellung;
Fig. 5
einen basierend auf dem in Fig. 4 dargestellten Eckfußvorformling hergestellten Eckfuß in isometrischer Darstellung Unteransicht;
Fig. 6
einen Eckfuß in Stapelkonfiguration.
Show it:
Fig. 1
a perspective view of a transport and storage container for liquids equipped with a pallet-like base;
Fig. 2
an enlarged view of a corner area of the underframe of the in Fig. 1 illustrated transport and storage container;
Fig. 3
an isometric illustration of a corner foot;
Fig. 4
a corner foot preform in an isometric view;
Fig. 5
one based on the in Fig. 4 shown corner foot preform produced corner foot in isometric illustration bottom view;
Fig. 6
a corner leg in a stacking configuration.

Fig. 1 zeigt einen als Ein- und Mehrwegbehälter verwendbaren Transport- und Lagerbehälter 10 für Flüssigkeiten mit einem Innenbehälter 11 aus Kunststoff, der einen mit einem Deckel 12 verschließbaren Einfüllstutzen 13 im oberen Behälterboden 14 und einen Entleerstutzen 15 im Bereich eines unteren Behälterbodens 16 zum Anschluss einer Entnahmearmatur 17 ausgestattet ist. Der Innenbehälter 11 ist austauschbar in einem Außenmantel 18 aus sich kreuzenden waagerechten und senkrechten Gitterstäben 19, 20 aus Metall aufgenommen, der ebenso wie der Innenbehälter 11 auf einem palettenartigen Untergestell 21 angeordnet ist. Fig. 1 shows a transport and storage container 10 for liquids that can be used as a disposable and reusable container, with an inner container 11 made of plastic, which has a filler neck 13 closable with a lid 12 in the upper container bottom 14 and an emptying neck 15 in the area of a lower container bottom 16 for connecting a withdrawal fitting 17 Is provided. The inner container 11 is exchangeably accommodated in an outer casing 18 made of crossing horizontal and vertical metal bars 19, 20, which, like the inner container 11, is arranged on a pallet-like subframe 21.

Das Untergestell 21 weist einen Boden 22 zum Abstützen des Innenbehälters 11 sowie Eckfüße 23 und Mittelfüße 24 auf, die auf einem Fußrahmen 25 angebracht sind und an denen der Boden 22 sowie der Außenmantel 18 des Innenbehälters 11 befestigt sind.The underframe 21 has a bottom 22 for supporting the inner container 11 and corner feet 23 and central feet 24 which are attached to a foot frame 25 and to which the bottom 22 and the outer casing 18 of the inner container 11 are attached.

Wie sich aus einer Zusammenschau der Fig. 2 und 3 ergibt, weist der Eckfuß 23 eine Frontwandung 26 auf, die im Wesentlichen entsprechend einem Eckradius einer Rahmenecke 27 des Fußrahmens 25 gekrümmt ist und an ihrem Umfangsrand 28 in einen zum Innenbereich des Fußrahmens 25 hin abgewinkelten Randsteg 29 übergeht, der einen unteren Randstegabschnitt 30 und einen oberen Randstegabschnitt 31 aufweist. Der untere Randstegabschnitt 30 dient zur Verbindung mit dem Fußrahmen 25. Der obere Randstegabschnitt 31 dient zur Verbindung mit einem Unterrand 32 des Außenmantels 18, derart, dass ein Umfangsrand 33 des Bodens 22 zwischen dem oberen Randstegabschnitt 31 ( Fig. 3 ) und dem Unterrand 32 des Außenmantels 18 aufgenommen wird.As can be seen from a synopsis of the Figs. 2 and 3 results, the corner foot 23 has a front wall 26 which is essentially curved according to a corner radius of a frame corner 27 of the foot frame 25 and merges at its peripheral edge 28 into an edge web 29 angled towards the inner region of the foot frame 25, which has a lower Has edge web section 30 and an upper edge web section 31. The lower edge web section 30 is used for connection to the foot frame 25. The upper edge web section 31 is used for connection to a lower edge 32 of the outer jacket 18, such that a peripheral edge 33 of the base 22 is between the upper edge web section 31 ( Fig. 3 ) and the lower edge 32 of the outer jacket 18 is added.

Fig. 4 zeigt einen Eckfußvorformling 34, der in einem Tiefziehvorgang hergestellt ist und in einem weiteren, nachfolgenden Umformungsvorgang zu dem in Fig. 5 dargestellten Eckfuß 23 umgeformt wird. Der Eckfußvorformling 34 weist einen im Wesentlichen kästen- oder napfförmig ausgebildeten Eckfußkörper 35 auf, mit zwei Napfteilen 36, 37, die über eine gemeinsame Bodenwandung miteinander verbunden sind. Bei dem Eckfußvorformling 34 ist die Bodenwandung 38 aus zwei Zylindermantelsegmenten 39, 40 der Napfteile 36, 37 gebildet, die im Bereich einer Mittelachse 42 der Bodenwandung 38 ineinander übergehen. Wie ferner Fig. 4 deutlich zeigt, weisen die Napfteile 36, 37 längs des Umfangsrandes der Bodenwandung 38 neben dem unteren Randstegabschnitt 30 und dem oberen Randstegabschnitt 31 eine seitlichen Randstegabschnitt 43 auf, der in Randstegumformbereichen 44 kontinuierlich in den oberen Randstegabschnitt 31 und den unteren Randstegabschnitt 30 übergeht. Fig. 4 shows a corner foot preform 34, which is produced in a deep-drawing process and in a further, subsequent forming process to the in Fig. 5 shown corner foot 23 is formed. The corner foot preform 34 has an essentially box-shaped or cup-shaped corner foot body 35, with two cup parts 36, 37 which are connected to one another via a common base wall. In the case of the corner foot preform 34, the base wall 38 is formed from two cylinder jacket segments 39, 40 of the cup parts 36, 37, which merge into one another in the area of a central axis 42 of the base wall 38. How further Fig. 4 clearly shows, the cup parts 36, 37 have along the peripheral edge of the bottom wall 38, in addition to the lower edge web section 30 and the upper edge web section 31, a lateral edge web section 43, which in edge web deforming areas 44 continuously merges into the upper edge web section 31 and the lower edge web section 30.

Bei dem Eckfußvorformling 34 sind die Randstegumformbereiche 44 als räumliche Eckbereiche der Napfteile 36, 37 ausgebildet, in denen der untere Randstegabschnitt 30, der obere Randstegabschnitt 31 und der angrenzende Bereich der Bodenwandung 38 relativ zueinander entsprechend den Hauptachsenrichtungen des Raumes angeordnet sind. Aufgrund der Herstellung des in Fig. 4 abgebildeten Eckfußvorformlings 34 basierend auf einem ebenen Blechzuschnitt werden die Randstegumformbereiche 44 bei Ausführung des Tiefziehvorgangs gleichzeitig mit den Napfteilen 36, 37 ausgebildet. Der in Fig. 4 dargestellte Eckfußvorformling 34 ist somit Ergebnis eines einzigen Umformvorgangs mit Verwendung eines entsprechend ausgebildeten Stempel- bzw. Tiefziehwerkzeugs.In the corner foot preform 34, the edge web deforming areas 44 are designed as spatial corner areas of the cup parts 36, 37, in which the lower edge web section 30, the upper edge web section 31 and the adjoining area of the bottom wall 38 are arranged relative to one another according to the main axis directions of the room. Due to the manufacture of the in Fig. 4 The corner foot preforms 34 shown, based on a flat sheet metal blank, are formed at the same time as the cup parts 36, 37 when the deep-drawing process is carried out. The in Fig. 4 The corner foot preform 34 shown is thus the result of a single forming process with use a correspondingly designed punch or deep-drawing tool.

Der in Fig. 5 dargestellte Eckfuß 23 wird ausgehend von dem in Fig. 4 dargestellten Eckfußvorformling 34 dadurch hergestellt, dass in einem weiteren Umformvorgang das Verschwenken der Napfteile 36, 37 gegeneinander um eine im Wesentlichen mit der Mittelachse 42 der Bodenwandung 38 zusammenfallende Schwenkachse erfolgt. Dabei erfolgt das Verschwenken in einem solchen Ausmaß, dass die hier als Zylindermantelsegmente 40, 41 ausgebildeten Bodenteilflächen der Bodenwandung 38 des Eckfußvorformlings 34 die Frontwandung 26 ausbilden, bei der die Zylindermantelsegmente 40, 41 Teilflächen einer Gesamtfläche mit - abgesehen von der Profilierung der Frontwandung durch Sicken oder dergleichen - im Wesentlichen kontinuierlichem Krümmungsradius sind.The in Fig. 5 corner foot 23 shown is based on the in Fig. 4 The corner foot preform 34 shown is produced in that, in a further deformation process, the cup parts 36, 37 are pivoted relative to one another about a pivot axis which essentially coincides with the central axis 42 of the bottom wall 38. The pivoting takes place to such an extent that the bottom partial surfaces of the bottom wall 38 of the corner foot preform 34, which are designed here as cylinder jacket segments 40, 41, form the front wall 26, in which the cylinder jacket segments 40, 41 have partial surfaces of a total area - apart from the profiling of the front wall by beads or the like - are substantially continuous radius of curvature.

Insbesondere die Fig. 2 und 3 zeigen, dass die Frontwandung 26 mit Versteifungssicken 45, 46 versehen, die sich zwischen dem oberen Randstegabschnitt 31 und dem unteren Randstegabschnitt 30 erstrecken und einen Sickenboden 47 aufweisen, der gegenüber einer durch die Frontwandung 26 definierten Frontebene zu einem in Fig. 5 dargestellten Verbindungsrand 48 des unteren Randstegabschnitts 30 hin geneigt ist. Der Verbindungsrand 48 weist im Falle des vorliegenden Ausführungsbeispiels jeweils zwei stegförmige Schweißbuckel 49 auf, die zur Herstellung einer Schweißverbindung mit dem Fußrahmen 25 dienen. Wie insbesondere aus Fig. 2 ersichtlich, wird durch die geneigte Anordnung des Sickenbodens 47 eine von Kippmomenten freie, direkte Kraftübertragung zwischen dem Unterrand 32 des Außenmantels 18 bzw. des Bodens 22 und dem Fußrahmen 25 möglich.especially the Figs. 2 and 3 show that the front wall 26 is provided with stiffening beads 45, 46, which extend between the upper edge web section 31 and the lower edge web section 30 and have a bead base 47 which, compared to a front plane defined by the front wall 26, becomes an in Fig. 5 connecting edge 48 of the lower edge web portion 30 shown is inclined towards. In the case of the present exemplary embodiment, the connecting edge 48 has two web-shaped weld bosses 49, which are used to produce a welded connection with the foot frame 25. Like in particular from Fig. 2 As can be seen, the inclined arrangement of the corrugated bottom 47 enables a direct force transmission, free of tilting moments, between the lower edge 32 of the outer casing 18 or the bottom 22 and the foot frame 25.

Insbesondere die Fig. 5 und 6 zeigen, dass der Eckfuß 23 an seinem unteren Randstegabschnitt 30 beidseitig der Mittelachse 42 jeweils mit einer Anschlaglasche 50, 51 versehen, die bei einer in Fig. 6 dargestellten Anordnung des Eckfußes 23 in Stapelkonfiguration, also wenn die Eckfüße 23 eines oberen Transport- und Lagerbehälters 10 auf einem Oberrand 53 (siehe Fig. 1 ) des Außenmantels 18 eines unteren Transport- und Lagerbehälters 10 angeordnet sind, einen Auflagerrand 52 des unteren Randstegabschnitts 30 von dem Verbindungsrand 48 des unteren Randstegabschnitts 30, der zur Schweißverbindung mit dem Fußrahmen 25 dient, trennt. Dabei sind die Anschlaglaschen 50, 51 so ausgebildet, dass sie den Abstand zwischen dem Oberrand 53 des Außenmantels 18 des unteren Transport- und Lagerbehälters 10 vom Fußrahmen 25 des in Stapelkonfiguration darauf angeordneten oberen Transport- und Lagerbehälters 10 definieren. Bei einer Anordnung der Anschlaglaschen 50, 51 an allen vier Eckfüßen des Transport- und Lagerbehälters ergibt sich somit ein um den Fußrahmen 25 umlaufender, definierter freier Abstand zwischen dem Fußrahmen 25 des oberen Transport- und Lagerbehälters 10 und dem Oberrand 53 des unteren Transport- und Lagerbehälters 10.especially the Figures 5 and 6 show that the corner foot 23 is provided on its lower edge web section 30 on both sides of the central axis 42 with a stop tab 50, 51, which in the case of an in Fig. 6 illustrated arrangement of the corner foot 23 in stack configuration, so when the corner feet 23 of an upper transport and storage container 10 on a Upper margin 53 (see Fig. 1 ) of the outer jacket 18 of a lower transport and storage container 10 are arranged, separates a support edge 52 of the lower edge web section 30 from the connecting edge 48 of the lower edge web section 30, which is used for the welded connection to the foot frame 25. The stop tabs 50, 51 are designed so that they define the distance between the upper edge 53 of the outer shell 18 of the lower transport and storage container 10 from the foot frame 25 of the upper transport and storage container 10 arranged thereon in a stacked configuration. With an arrangement of the stop tabs 50, 51 on all four corner feet of the transport and storage container, there is thus a defined free distance running around the foot frame 25 between the foot frame 25 of the upper transport and storage container 10 and the upper edge 53 of the lower transport and storage container Storage container 10.

Claims (6)

  1. A pallet-like underframe, in particular for transport and storage containers for liquids which are equipped with a plastic inner container with a closable filler connection and a drain connection for the connection of a drain fitting as well as an outer jacket made of a metal grid or sheet metal, wherein the underframe has a base for supporting the inner container and corner and middle feet made of metal which are mounted on a foot frame and on which the base of the underframe is mounted, wherein the corner feet comprise a cup-shaped corner foot body having a front wall curved in accordance with a corner radius of a frame corner of the foot frame and cup parts formed laterally to a central axis of the front wall, wherein the cup parts each comprise an edge web formed on the peripheral edge of the front wall and bent inwards, the edge web comprising an upper edge web section, a lower edge web section and a lateral edge web section formed between the upper and the lower edge web section on a side edge of the front wall,
    characterised in that
    the upper edge web section (31) serves to connect the corner foot to the base (22) and the lower edge web section (30) serves to connect the corner foot to the foot frame (25), wherein the upper edge web section (31), the lateral edge web section (43) and the lower edge web section (30) are configured to go over into one another continuously in edge web forming regions (44).
  2. The underframe according to claim 1,
    characterised in that
    the edge web forming regions (44) are configured as spatial corner regions of the cup parts (36, 37).
  3. The underframe according to claim 1 or 2,
    characterised in that
    stiffening beads (45, 46) are formed into the front wall (26), which extend between the upper edge web section (31) and the lower edge web section (30) and have a bead base (47) which is inclined towards a connecting edge (48) of the lower edge web section with respect to a front plane defined by the front wall.
  4. The underframe according to claim 3,
    characterised in that
    stop tabs (50, 51) are disposed on the lower edge web section (30) between the peripheral edge (28) of the front wall (26) and the connecting edge (48), wherein by their distance from the peripheral edge, the stop tabs (50, 51) define a contact edge (52) for support on an outer jacket (18) of a transport and storage container (10).
  5. Transport and storage containers for liquids which are equipped with a plastic inner container with a closable filler connection and a drain connection for the connection of a drain fitting as well as an outer jacket made of a metal grid or sheet metal, wherein the inner container and the outer jacket are disposed on a base of a pallet-like underframe (21) according to one or more of claims 1 to 4.
  6. A method for manufacturing a corner foot for a pallet-like underframe according to one or more of claims 1 to 4,
    characterised in that,
    in a first process step, a flat sheet metal blank is formed in a deep drawing process in such a manner that a corner foot preform (34) is formed having two cup parts (36, 37) formed laterally to a central axis (42) of a base wall (38), wherein the base wall is composed of two jacket segments (40, 41) which are curved in the same direction and go over into one another in the area of the central axis, and wherein each cup part on the peripheral edge of the base wall comprises an edge web which is formed continuously by an upper edge web section (31), a lateral edge web section (43) and a lower edge web section (30) and is disposed essentially at right angles to the base wall,
    and in that, in a subsequent process step, the jacket segments are pivoted about the central axis with respect to one another in such a manner that the jacket segments form a front wall (26) having an essentially continuous radius of curvature.
EP12161093.5A 2011-04-18 2012-03-23 Pallet-like underframe for transport and storage containers for liquids Active EP2514681B8 (en)

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ZA200409370B (en) * 2003-12-17 2005-07-13 Protechna Sa Originality safeguard for transportation and storage containers.
DE202004003020U1 (en) 2004-02-27 2004-04-29 Protechna S.A. Hollow rivet connection for components made of metal, plastic or wood, in particular for the assembly of transport and storage containers for liquids
DE102006031940A1 (en) 2005-08-20 2007-03-01 Protechna S.A. Transport and storage container for liquids
DE102008009327A1 (en) 2008-02-15 2009-08-27 Protechna S.A. Transport and storage container for liquids
DE102008009586A1 (en) * 2008-02-16 2009-09-03 Protechna S.A. Transport and storage container for liquids
DE102008011423A1 (en) * 2008-02-27 2009-09-10 Protechna S.A. Transport and storage container for liquids
DE102008027337A1 (en) 2008-02-27 2009-09-17 Protechna S.A. Transport and storage container for liquids
ES2359043T3 (en) * 2008-08-01 2011-05-17 Daviplast - Serviços De Consultoria, Sociedade Unipessoal Lda. TRANSPORTATION AND STORAGE CONTAINER.
DE102010040270A1 (en) * 2010-09-06 2012-03-08 Protechna S.A. Transport and storage container for liquids
DE202011110820U1 (en) * 2011-05-04 2016-08-02 Protechna S.A. Pallet-type base for transport and storage containers for liquids

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JP5680579B2 (en) 2015-03-04
RU2547651C2 (en) 2015-04-10
RU2012114232A (en) 2013-10-20
AU2012201019A1 (en) 2012-11-01
EP2514681A1 (en) 2012-10-24
DE102011007583A1 (en) 2012-10-18
EP2514681B8 (en) 2021-01-20
BR102012009036A2 (en) 2013-07-02
ZA201202651B (en) 2018-11-28
US9718581B2 (en) 2017-08-01
KR20120118414A (en) 2012-10-26
HUE053869T2 (en) 2021-07-28
DK2514681T3 (en) 2021-02-15
CN102745384B (en) 2015-09-30
PL2514681T3 (en) 2021-05-04
JP2012224398A (en) 2012-11-15
MX340517B (en) 2016-07-12
MY168674A (en) 2018-11-29
CN102745384A (en) 2012-10-24
MX2012004492A (en) 2012-10-26
AU2012201019B2 (en) 2015-07-02
ES2851178T3 (en) 2021-09-03
US20120261303A1 (en) 2012-10-18
AR086103A1 (en) 2013-11-20
DE102011007583B4 (en) 2015-07-09
BR102012009036B1 (en) 2020-03-31

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