EP2066571B1 - Recipient pour materiaux en vrac - Google Patents

Recipient pour materiaux en vrac Download PDF

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Publication number
EP2066571B1
EP2066571B1 EP06721918A EP06721918A EP2066571B1 EP 2066571 B1 EP2066571 B1 EP 2066571B1 EP 06721918 A EP06721918 A EP 06721918A EP 06721918 A EP06721918 A EP 06721918A EP 2066571 B1 EP2066571 B1 EP 2066571B1
Authority
EP
European Patent Office
Prior art keywords
flange
connection
container
bulk
bulk material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06721918A
Other languages
German (de)
English (en)
Other versions
EP2066571A2 (fr
Inventor
Jean-Marie Cuennet
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.)
Visval AG
Original Assignee
Visval AG
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.)
Filing date
Publication date
Priority claimed from EP05405306A external-priority patent/EP1702866A1/fr
Application filed by Visval AG filed Critical Visval AG
Priority to PCT/CH2006/000216 priority Critical patent/WO2006111038A2/fr
Priority to EP06721918A priority patent/EP2066571B1/fr
Publication of EP2066571A2 publication Critical patent/EP2066571A2/fr
Application granted granted Critical
Publication of EP2066571B1 publication Critical patent/EP2066571B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]
    • B65D88/1668—Flexible intermediate bulk containers [FIBC] closures for top or bottom openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/72—Fluidising devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/62—Gates or closures having closure members movable out of the plane of the opening
    • B65D90/626—Gates or closures having closure members movable out of the plane of the opening having a linear motion

Definitions

  • Bulk container having a container wall having a first layer, which has at least one made of a flexible material lot, and provided with a bulk material port flange, which is made of a solid material, wherein the connecting flange by means of a connecting device optionally releasably with a
  • the connecting flange has at least one first and one second flange element which are each designed as separate flange elements and optionally connectable to each other and again detachable from each other in an interconnected state of the flange with the flange To hold connected first layer section between the two flange elements and thus to connect to the connection flange, and release in a detached state of the flange the first layer section so that it completely from An final flange can be solved.
  • the bulk material container For filling a bulk goods container with bulk material, the bulk material container is usually connected to a filling station (also referred to as docking), whereupon bulk material from the filling station is filled through a bulk material container which has been opened in the bulk material container (also referred to as filling opening) into the bulk material container.
  • the bulk material container filled with bulk material for emptying is usually connected to a discharge station, whereupon the bulk material from the bulk material container is discharged or emptied into the emptying station through a bulk material opening formed therein (also referred to as outlet opening, emptying opening or outlet opening). It is known that for filling and emptying of the bulk goods container, the same bulk material opening can be used, which is then both the filling opening and the outlet opening of the bulk goods container.
  • connection device comprises an inner ring with an outer flange and an outer ring with a recess corresponding to the flange, wherein the container is clamped in the assembled state between the two rings.
  • a sealing ring can be connected to the device assembled in this way, this being held on the connection device with a clamp with a V- or C-shaped cross section.
  • sealing lips can be formed on the flange elements and / or an O-ring can be used.
  • the inner ring may be closed with a membrane.
  • connection flange which specifically corresponds to the connection part of the emptying station, it becomes inserted even in the case of flexible container walls ensures tight connection of the bulk goods container to the emptying station. This prevents bulk material flowing past the emptying station through the outlet opening and being lost. Due to the complex production but the cost of such bulk containers are relatively high.
  • the object of the invention is to provide a bulk material container belonging to the technical field mentioned at the outset as well as a connecting flange, which ensure a tight connection of the bulk goods container to a filling and / or emptying station and are inexpensive.
  • a bulk material container has a container wall which has two or more layers. At least one of the layers has at least one part made of a flexible material.
  • the bulk goods container further has at least one connection flange provided with a bulk material opening, which is made of a solid material.
  • the connection flange is connected by means of a connecting device optionally releasably connected to the layer made of the flexible material layer portion of the container wall.
  • the bulk material container has a container wall composed of more than one container wall, which defines a space formed for receiving bulk material (also referred to as bulk material receiving space) of the bulk material container from the environment of the bulk container
  • the container walls may consist of two or more layers (sometimes as trays, cases or layers). At least one of the layers has a flexible part (ie a part made of one or more flexible, especially foldable materials).
  • the provided with the flexible lot layer can be made only partially or completely from the flexible material. In the case of further layers, these can also be partially or completely off flexible materials or else completely made of solid (ie, rigid and substantially non-flexible, non-foldable) materials.
  • flexible material for the production of the flexible portion of the container wall are any flexible, foldable flat (especially sheet-like) materials suitable, as they are known for the production of bulk containers with flexible container walls (eg bags, big-bags, bulk bags or FIBCs), so eg Paper, metal foil, plastic film, plastic fabric, cardboard, textile fabrics and composite materials composed of such materials or the like.
  • the flexible portion of the container wall (i.e., the layer portion of the container wall made of the flexible material, hereinafter also referred to as the flexible layer portion) may be e.g. be designed as outlet pipe, outlet hose, filler neck or filling hose of the bulk material container. But it can also be designed as a floor, side wall or ceiling of a bulk material container, which is provided with a flexible bottom, a flexible side wall, a flexible ceiling and / or made exclusively of flexible material container walls.
  • the connecting flange can be made of any solid material, as it is known for the production of solid bulk containers and / or made of solid materials connecting flanges of bulk containers. Such materials are e.g. PP (polypropylene), PE (polyethylene), other solid plastics, metal, glass fiber reinforced or carbon fiber reinforced epoxy resin or similar.
  • the fixed connection flange is provided with a bulk material opening which can be designed as an outlet opening for emptying bulk material received in the bulk material container and / or as a filling opening for filling bulk material into the bulk goods container.
  • the connecting device is used for selectively releasable connection of the connection flange with the container wall.
  • the connecting flange is connected by means of the connecting device, which acts tensile strength in at least one direction of pull, optionally releasably connected to the tensile strength of the container wall made of the flexible material layer in the pulling direction.
  • the connecting device is for selectively releasable connection of the connection flange with the of the flexible material fabricated layer portion of the container wall formed.
  • the connecting device can be designed as an integral part of the connecting flange and / or the flexible layer part of the container wall that can be connected to it.
  • connection flange and / or in the container wall can also have separate connecting elements which are arranged so as to be tensile-resistant on the connecting flange and / or on the flexible layer section.
  • connection flange which is made of a solid material
  • connection flange is optionally detachably connected to the flexible portion of a layer of the container wall (and thus to the container wall).
  • the connection flange can be detached from the flexible layer section in a non-destructive manner and subsequently connected to another flexible layer section. This creates the opportunity for multiple use of the connection flange by first non-destructive of a used, no longer usable flexible layer or layer part (eg in the form of an inliner or a bag) and then released for further use with a new flexible layer or layer section a container wall can be connected.
  • a reusable connection flange can in particular be designed as a replacement unit for multiple use for different bulk material containers, which are identical or different.
  • connection flange can reduce the cost per use of the connection flange and provided with this bulk goods container.
  • a bulk material container may also be a barrel made of a solid, non-flexible material (eg a plastic manufactured and referred to as "rigid intermediate bulk container” or “RIBC” Container), which is provided with a made of a flexible material inliner (also referred to as inner shell),
  • the inliner can be made for example of a tubular film, in particular a PE tubular film (ie a tubular film made of polyethylene).
  • the connection flange is either detachably connected to the inliner or connectable.
  • connection flange can optionally be releasably attached to the connection flange or attachable thereto, the inliner being detachable from the connection flange without having to destroy the connection flange.
  • the connection flange and the entire bulk material container with the exception of the inliner are thus designed for multiple reuse (ie for multiple filling and emptying).
  • a bulk goods container according to the invention may also be a big bag or a bulk bag with an outer casing made of a flexible (in particular foldable) but robust material which forms an outer layer of the container wall and also of a flexible material manufactured inliner, which forms an inner layer of the container wall and in which the bulk material is receivable.
  • the connection flange is optionally detachably connected to the inliner and to the outer shell.
  • connection device for selectively releasable connection of the connection flange with the container wall or its flexible layer section may be a frictional connection device (also referred to as an adhesive or frictional connection device). That is, the connecting device acts in the at least one pulling direction by adhesion, in order to connect the connecting flange optionally releasably tension-resistant again with the layer part made of the flexible material.
  • the connection device may be any type of traction-connection device which is designed for selectively releasable connection of flexible sheet material to a device made of solid material.
  • a force-locking connection device may in particular be a clamp connection device, in which the connection flange is connected by clamping force to the flexible layer part of the container wall.
  • the flexible layer part can in particular be clamped on the connection flange, that is to be held by clamping force on the flange.
  • the connection flange and the flexible layer part can even be connected to each other only by clamping force optionally releasably.
  • connection devices which are designed for selectively detachable connection of flexible sheet material with a device made of solid material, for example, form-locking connections, optionally releasable adhesive joints, etc.
  • this is preferably designed as at least partially load-locking clamping device.
  • the connecting device is designed as a clamping device such that the clamping force, which connects the flexible layer part with the connecting flange, at a connection of this opposing tensile load increased by the tensile load resp. is reinforced.
  • the connecting device is designed in such a way that an increase in a tensile load (which would detach the container wall from the connecting flange without a connecting device) results in an increase in the clamping force which connects the flexible layer part to the connecting flange.
  • An at least partially load-locking clamping device of this kind may e.g.
  • clamping surfaces between which the flexible layer section is clamped.
  • the clamping surfaces can be designed and arranged for this purpose in such a way that the material web of the flexible scarf section via noses, edges or the like. Forms that divert this path once or several times.
  • the clamping device is designed such that the material web is deflected at least once by more than 90 degrees.
  • connection device for selectively releasable connection of the connection flange with the flexible layer part of the container wall can also be a form-fit connection device. That is, the connecting device acts in the at least one pulling direction by positive engagement in order to selectively connect the connecting flange again in a releasably tensile strength with the layer part made of the flexible material.
  • the connection device may be any positive connection device be, which is designed for selectively releasable connection of flexible sheet material with a device made of solid material.
  • Such a form-fitting connection may comprise, for example, a thickening (eg, a bead or a seam) of the flexible layer part designed as a stop, and a counter-stop (eg a retaining edge, a thin slit through which the flexible layer part is guided or the like), in such a way is arranged on the connection flange, that in the case of acting between the connection flange and the flexible layer section tensile load of the stop abuts against the counter-stop and thus prevents the flexible layer part is released from the connection flange.
  • a positive-locking connection based on the stop and counter-stop, however, it is also possible to provide a positive-locking connection of the type of a Velcro connection.
  • connection flange and the flexible layer part can even be connected to each other only by positive locking either releasably.
  • connection flange and the flexible layer part can even be connected to each other only by positive locking either releasably.
  • non-positively acting connection devices are possible.
  • the bulk material container is further provided with a reinforcing band, which is optionally detachably arranged along an outer circumference of the connecting flange.
  • a reinforcing band can prevent excessive deformation of the connecting flange.
  • bulk material with a comparatively large density (ie with a high specific weight) without reinforcing band can cause excessive deformation of the connecting flange in such a way that this deformation leads to unintentional release of the connecting flange from the container wall, with which the connecting flange is connected is.
  • the reinforcing band may also help to meet relevant test standards by reinforcing the connection flange so that the bulk material container provided with the connection flange passes the prescribed test procedures.
  • the reinforcing tape may be in the form of an annularly closed band.
  • the reinforcing band (in particular in the case of an annularly closed band) is provided with a length adjusting device which is designed to adjust the length (or the circumference in the case of an annularly closed band) of the reinforcing band.
  • a reinforcing tape may e.g. be designed in the manner of a hose or pipe clamp (also referred to as hose or pipe clamp).
  • the reinforcing tape may e.g. be made of metal and / or of a fiber material (in particular glass or carbon fibers).
  • the invention is characterized in that the connecting flange has a first and a second flange, each of which is formed as a separate flange and selectively connectable to each other and are again detachable from each other.
  • the flexible layer part connected to the connection flange is held between the two flange elements and thus connected to the connection flange.
  • the flexible layer portion is free from the flange, so that it can be completely detached from the flange.
  • a connection flange with two separate flange elements makes it possible to arrange one of the flange elements on the inside and the other flange element on the outside of a container wall (or its flexible layer part) in order to connect them to the container wall (or its flexible layer part), wherein the Container wall (or its flexible layer portion) in the region of the connection flange completely intact (ie without any perforations permeable to bulk material) and can be completely sealed for bulk material.
  • the two flange elements are designed as separate, separable units, which in turn can each be designed as one-piece or multi-piece elements.
  • a flange element may be substantially annular in shape, with a substantially constant cross-sectional shape along a circular line.
  • the first flange element of a connection flange provided with a first and a second flange element is preferably provided with at least one locking element (also referred to as a locking piece) which is designed and arranged on the first flange element such that in the interconnected state of the flange elements (ie in one state in which the first flange element is connected to the second flange element), the locking element is selectively adjustable between a first (locking position) and a second (open position) position.
  • first position locking position
  • the locking element engages behind a retaining part of the second flange element such that the first and the second flange element can not be detached from one another.
  • the second position open position
  • the locking element no longer engages behind the retaining part, so that in this position of the locking element, the first and second flange element can be detached from each other.
  • the locking element may be formed as an integral part of the first flange and / or tensile strength connected to the first flange.
  • the retaining portion may be formed as an integral part of the second flange and / or tensile strength connected to the second flange.
  • the retaining portion may be a retaining edge, a retaining bar, a retaining eye or other retaining device, behind which the locking element can engage to provide a tension-tight connection between the first flange and the second flange.
  • the two flange elements are locked against displacement in a direction of displacement with respect to each other and thus tensile strength connected to each other in this direction of displacement.
  • the second position of the locking element it is possible to move the flange with respect to each other in the direction of displacement to release them from each other.
  • a locking device is further provided for the connection flange provided with the locking element, which locking device is designed for selectively releasable locking of the locking element in the first position.
  • the locking element In the interconnected state of the flange, the locking element by means of Locking device in its the retaining part engaging behind (first) position locked or blocked to prevent unwanted adjustment of the locking element from the first position (and an undesirable release of the connection between the first and second flange member).
  • the locking device may comprise a band or other blocking means which presses on the locking element to lock it in its first position.
  • the reinforcing strip can be designed and arranged on the connecting flange such that it simultaneously serves as a blocking means of the locking device, in that the reinforcing band in its state arranged on the outer circumference of the connecting flange presses on the locking element and thereby locks it in its first position.
  • the connecting flange has, in addition to the separate first and second
  • Flange elements further at least a third flange, which is also formed as a separate flange and optionally connectable to the second flange and detachable from the second flange again.
  • the flexible layer section of the second layer is held between the second and the third flange element and thus connected in a tension-proof manner to the connection flange.
  • the flexible layer section of the second layer is free from Connection flange, so that the second layer can be completely detached from the connection flange.
  • the made of the flexible material lot of the second layer (hereinafter also referred to as flexible layer section of the second layer or as a second flexible layer section) is selectively releasably connected by means of the connecting device (or another lot of the connecting device) with the connecting flange.
  • the further part of the connecting device is used for selectively releasable connection of the flexible layer portion of the second layer with the connection flange, wherein in a connected to the connection flange state, the second flexible layer portion between the second flange and the third flange is held.
  • the first flexible layer part is held in a state connected to the connection flange between the first flange member and the second flange member.
  • This further part of the connecting device can be designed analogously to the above-described connecting device (respectively to the first part of the connecting device described above), which serves for selectively releasable connection of the flexible layer part of the first layer to the connecting flange.
  • the connecting flange according to the invention by means of the connecting device selectively releasably connectable to the flexible portion of the first layer and / or optionally releasably connectable to the flexible portion of the second layer of the container wall.
  • the third flange element is in turn formed as a separate, separable from the second flange element unit, which in turn may be formed as a one-piece or multi-piece element.
  • the third flange member may in turn be e.g. be formed substantially annular, with a substantially constant along a circular line cross-sectional shape.
  • the second flange element is preferably designed as an at least two-part unit, wherein the second flange element has at least one first flange part and one second flange part which are each designed as separate flange parts and optionally connectable to one another and again detachable from one another.
  • the flexible layer part of the first layer is held between the first flange element and the first flange part of the second flange element.
  • the flexible layer portion of the second layer is held between the third flange member and the second flange portion of the second flange member.
  • the second flange is composed of two selectively connectable and again detachable flange parts is the possibility for selectively connecting and disconnecting a first container unit of a second container unit of the bulk container provided, wherein the first container unit, the first layer (for example, be an outer shell of the bulk material container can), the first flange member and the first flange portion of the second flange member, while the second container unit, the second layer (which may be, for example, an inliner of the bulk goods container), the third flange member and the second flange of the second flange member.
  • the first can be separated from the second container unit in order to use either the first and / or the second container unit independently of one another several times.
  • the first flange and the first flange of the second flange of the first layer and the third flange and the second flange of the second flange of the second layer separated and thus used several times.
  • the first and second flange portions of the second flange member are preferably formed such that they can be separated automatically (i.e., by means of an automatic separation device). This allows automatic (and thus safer and more efficient) operation of filling and emptying stations, provided they are equipped with a suitable separation device.
  • a form-locking connection device For the purpose of selectively connecting and detaching the two flange parts of the second flange element, these are advantageously provided with a form-locking connection device.
  • a positive connection device can, for. B. be designed in the same way as a so-called lens mount (also as Bayonet closure referred), which serves for selectively releasably connecting an interchangeable lens with a camera body of a camera.
  • lens mount also as Bayonet closure referred
  • this aspect of the invention need not necessarily be used in conjunction with the container wall, which can optionally be detachably connected to the connecting flange.
  • a bulk goods container which is composed of two optionally connectable and again detachable container units such that the first container unit comprises a first part of a connecting flange for connecting the container to a filling and / or a discharge station and an outer shell of the container wall during the second container unit comprises a different part of the connecting flange and an inliner of the container wall, which has at least one part made of flexible material.
  • the first container unit may be designed as a reusable replacement unit for use with a plurality of second container units, which may be identical and different.
  • the second container unit may be designed as a reusable replacement unit for use with a plurality of first container units, which may be identical and different.
  • the bulk goods container has a container wall which has two or more layers. At least one of the layers has at least one part made of a flexible material.
  • the bulk material container further has at least one connection flange provided with a bulk material opening, which is made of a solid material, as well as a closure body designed for selectively closing and opening the bulk material opening, which likewise is made of a solid material.
  • the connection flange is connected by means of a connecting device optionally releasably connected to the layer made of the flexible material layer portion of the container wall.
  • the connecting flange further comprises at least one flexible material bounding the bulk material opening.
  • the resilient part can in particular a wall be adhere, which limits the bulk material opening. The resilient part interacts with the closure body.
  • the closure body can be arranged in the bulk material opening with a closure body part, the dimension of which is slightly larger than the corresponding dimension of the bulk material opening or of the bulk material opening bounding portion of the connection flange.
  • the closure body in its region in which it is arranged in the bulk material opening have a slightly larger outer circumference than the corresponding circumference of the bulk material opening (or the bulk material opening limiting portion of the connection flange) in an open state (ie, in one state without closure body inserted into the bulk material opening). Due to the resilient portion of the connecting flange of the closure body can still be arranged in the bulk material opening of the connection flange.
  • the resilient portion of the connecting flange may be formed as part of a spring latching device by means of which the closure body can be latched in a position closing the bulk material opening.
  • the closure body is designed such that it can be used from the outside (ie from the external environment of the bulk material container) into the bulk material opening of the bulk material container provided with the connection flange in order to bring the closure body into a position suitable for selectively closing and opening the bulk material opening.
  • the closure is advantageously in its arranged in the bulk material opening lot conical so that the circumference of the closure body is smaller in this lot in the direction of the bulk material interior.
  • FIG. 1 shows a formed as a bag 50 bulk goods container 50, with a flexible container wall 53 and bag wall 53, which is made of a plastic fabric, and which has the shape of a shell which is closed on all sides except for the closure described below.
  • a closure used in the lowest, the bottom of the bag 50 forming portion of the bag wall 53 is a closure used.
  • the closure has a substantially annular annular flange 51, 52 and a closure body 60.
  • the connecting flange is composed of a first, outer flange member 52 and a second, inner flange member 51, which are both formed substantially nikr ⁇ ngförmig and in the illustration of Fig. 1 and 2 are arranged such that their ring axes coincide and extend substantially vertically, wherein the connecting flange 51, 52 is arranged substantially at the bottom of the bulk material container.
  • the inner (second) flange member 51 has a substantially circular cylinder jacket lower (ie, located in the vicinity of the outer side of the bag 50) lot and a substantially funnel-shaped upper portion which rises from the upper end of the lower portion of obliquely upwards and outwards.
  • the upper side 19 of the inner flange member 51 is located further from the outside of the bag 50 in the interior of the bag 50 and forms a part of its bottom. This upper side 19 drops in the direction of the outlet opening 54 described below in order to assist the outflow of the bulk material.
  • the outer (first) flange member 52 has substantially the shape of a thick ring having a central passage whose diameter is substantially equal to or even slightly smaller than the outer diameter of the lower portion of the inner flange member 51.
  • the lower part of the inner flange element 51 is pressed into the central passage in the outer flange element 52 with the bag wall 53 arranged between the inner flange element 51 and the outer flange element 52 plugged.
  • the inner flange 51 inserted from above into the central passage in the outer flange 52, so that the two flange 51, 52 and clamped between them bag wall 53 are connected by clamping force so tensile strength each other, they even when the bag 50 is completely filled with bulk material, remain connected by the load of the bulk material with sufficient certainty and are not separated from each other.
  • annular collar 56 is formed, which protrudes radially outwards in a horizontal plane from the inside and the upper part of the outer flange element 52 and for coupling the flange element 52 or the bag 50 provided with the connection flange 51, 52 to a filling or emptying station (not shown).
  • Fig. 1 shows the bag 50 during transport between a loading and a discharge station.
  • the entire underside of the inner flange 51 is covered by a covering member formed as an integral part of the bag wall 53.
  • Fig. 2 the bag 50 is shown in a ready for emptying state, as it is achieved after connecting the bag 50 to a drainage station.
  • the portion of the bag wall 53 covering the inner flange element 51 at the bottom has been cut away in order to release the bulk material opening 54 formed in the inner flange part 51 and the annular channel 57 described below.
  • annular channel 57 In the underside of the inner flange 51, an annular channel 57 is formed, which opens at the top into a plurality of passages 48, 49, which obliquely upward through the upper (ie inner with respect to the bag 50) lead lot of the inner flange 51 therethrough , In order to support the emptying of bulk material from the bag 50, during the emptying process compressed air can be blown through the annular channel 57 serving as the compressed air inlet of the bag 50 and the compressed air passages 48, 49 into the interior of the bag 50.
  • the opening into the interior of the bag 50 upper ends of the passages 48, 49 are covered by a shut-off body 65 which is made of a flexible, resilient plastic material and has the shape of a flat, annular disc.
  • shut-off body 65 If there is no overpressure or only a slight overpressure in the compressed air passages 48, 49, they are sealed off by the shut-off body 65. However, if a greater overpressure prevails in the compressed air passages 48, 49, the shut-off body 65 made of a flexible material is somewhat deformed by the compressed air, so that compressed air can flow from the passages 48, 49 into the interior of the sack 50. Overall, the shut-off 65 simultaneously serves as Shut-off and as a closing spring of check valves, which close the compressed air passages 48, 49 to the interior of the bag 50 and allow a flow of compressed air into the bag 50, however, prevent compressed air and / or bulk flow in the reverse direction from the bag 50 out.
  • the closure body 60 is designed and arranged for selectively closing and opening the outlet opening 54. It is made of a solid plastic and substantially as an axially symmetrical, hollow, thin-walled and one-piece molded part 60 formed below (ie in the region of the outside of the bag 50 side facing the closure body 60) has a circular cylinder shell-shaped lot, which subsequently above a cone-shaped tip is placed, the latter being arranged completely in the interior of the bag 50.
  • the closure body 60 is arranged such that the axis of symmetry of the closure body 60 is vertical and coaxial with the ring axes of the first and second flange 52, 51 is arranged.
  • the diameter of the lower (ie outer), cylinder jacket-shaped portion of the closure body 60 (which coincides with the maximum diameter of the upper (ie inner), conical portion of the closure body 60) is slightly larger than the inner diameter of the formed in the inner flange 51, the outlet opening 54, see the bottom part of the closure body 60 can be press-fitted in the outlet opening 54 in order to seal it tightly, as shown in FIG Fig. 1 and 2 is shown.
  • the closure body 60 is displaceable upwardly and downwardly in the vertical direction with respect to the connection flange 51, 52 and can be raised upward from the connection flange 51, 52 in order to optionally close or release the outlet opening 54 and thereby open the closure for emptying bulk material out of the bag 50 to open.
  • the position with maximum downwardly displaced closure body 60 (in Fig. 1 and 2 shown) is referred to as closing position of the closure body 60 and the closure.
  • Fig. 3 shows a designed as FIBC (flexible intermediate bulk container) 150 bulk goods container 150, the container wall, a first layer in the form of an outer shell made of a flexible, solid material 153 and a second layer in shape a made of a flexible material inliner 133 includes.
  • the two layers 133, 153 comprehensive container wall has the shape of a shell which is closed on all sides except for the closure described below.
  • a closure is used in the lowest.
  • the closure has a substantially annular connection flange 120, 151, 152 and a closure body 160.
  • the connecting flange is composed of a first, outermost flange element 152, a second, middle flange element 151 and a third, innermost flange element 120, all of which are substantially annular in shape and in the illustration of FIG Fig. 3 are arranged such that their ring axes coincide and extend substantially vertically, wherein the connection flange 120, 151, 152 is disposed substantially at the bottom of the FIBC 150.
  • the flange members 120, 151 and 152 are made by injection molding of a solid plastic.
  • Fig. 4 shows the first (outermost) flange 152 of the in Fig. 3 shown connecting flange 120, 151, 152 together with a mounted on the first flange 152 reinforcing band 141 alone, in a simplified view from above, wherein in Fig. 4 In addition, the cross-sectional line II is shown, along which the first flange 152 in the cross-sectional view of Fig. 3 is cut.
  • Fig. 5 shows the third (innermost) flange 120 of the in Fig. 3 shown connection flange 120, 151, 152 alone, in a simplified view from below, wherein in Fig. 5 in addition, the cross-sectional line II is shown, along which the third flange 120 in the cross-sectional view of Fig. 3 is cut.
  • the innermost (third) flange 120 of the in Fig. 3 FIBC 150 shown is similar in shape and has a similar function as the inner (second) flange 51 of the in Fig. 1-2 illustrated sacks 50.
  • the in Fig. 3 innermost flange element 120 shown has a substantially funnel-shaped upper portion, which is disposed substantially within the space enclosed by the outer shell 153 and the inliner 133 interior of the FIBC 150, and a lower portion, which is located closer to the outside of the FIBC 150.
  • a substantially vertically extending passage is formed, the mouth of which in the bottom of the innermost flange 120 serves as a bulk material opening 154 for bulk material received in the FIBC 150 (not shown).
  • inner flange 51 is in the in Fig. 3 and 5
  • the innermost flange element 120 illustrated the boundary wall 121 which defines the bulk material opening 154 formed in the lower (outer) portion of the innermost flange 120, such mecanickonisch formed that the inner circumference of the bulk material 154 comprehensive passage towards the interior of the FIBC increases slightly.
  • the substantially annular boundary wall 121 is formed as a resilient wall 121, so that they at least in their lower (ie outer with respect to the FIBC 150) area in the sense of a circumferential enlargement of the bulk material 154 in the direction of resiliently pushed outward in the radial direction can be.
  • a bulge 122 protruding toward the passage is formed on the inner side of the boundary wall 121 facing the passage, said bead extending in the vicinity of the bulk material opening 154 along its circumference.
  • This bead 122 is part of a spring locking device, by means of which the closure body 160 can be latched in a position closing the bulk material opening 154.
  • the closure body 160 is designed and arranged for selectively closing and opening the bulk material opening 154. He is similarly trained and arranged as in Fig. 1-2 shown closure body 60. In contrast to the latter, however, has the in Fig. 3 closure body 160 shown a lower (ie arranged in the vicinity of the outside of the FIBC 150), which is not Vietnamesezylindermantelförmig, but outwardly conically formed such that the circumference of the closure body 160 slightly decreases in this game towards the interior of the FIBC 150 out. Further, in the outer side of the lower portion of the closure body 160, which faces the boundary wall 121 of the innermost flange element 120, a groove 161 is formed, which extends in the vicinity of the underside of the closure body 160 along its circumference. The cross-sectional shape of the formed in the outside of the closure body 160 groove 161 corresponds in Essentially, the cross-sectional shape of the bead 122 formed on the boundary wall 121 of the innermost flange element 120.
  • the closure body 160 is displaceable upwardly and downwardly in the vertical direction with respect to the connection flange 120, 151, 152. In the in Fig. 3 In the illustrated position, the closure body 160 is displaced downwards so that its lower edge is arranged in the bulk material opening 154 and is essentially flush with the underside of the innermost flange element 120.
  • the bulk material body 160 closes the bulk material opening 154 Further, in this position, the bead 122 is received in the groove 161, so that the closure body 160 is latched by a spring latching device 121, 122, 161 in the closed position, wherein the spring latching device 121, 122, 161 from the resilient end wall 121, the Bead 122 and the groove 161 is formed.
  • the diameter of the closure body 160 at its lowermost edge is slightly larger than the inner diameter of the bulk material opening 154 formed in the innermost flange portion 120 when it is open and the boundary wall 121 is not pressed outwards.
  • the lowermost portion of the closure body 160 is received with a press fit in the bulk material opening 154 in order to close them tightly, as shown in FIG Fig. 3 is shown.
  • the closure body 160 is removed from its in Fig. 3 shown closing position upwards (ie, into the bulk material container), so that it is lifted from the connection flange 120, 151, 152 and the bulk material opening 154 releases.
  • the groove 161 is displaced past the bead 120, wherein the boundary wall 121 resiliently yields to allow this.
  • the closure body 160 is subsequently moved back downwards (ie, out of the direction of the FIBC 150), wherein the bead 122, in turn, in the groove 161 due to the spring force of the boundary wall 121 engages in order to lock the closure body 160 in the manner of a clip connection with the connection flange 120, 151, 152.
  • the entire FIBC 150 may be removed from its in Fig. 3 initially rotated by 180 degrees about a horizontal axis, so that the connecting flange 120, 151, 152 is now located at the top of the FIBC 150. Subsequently, the closure body 160 can be pulled completely out of its closed position upwards out of the FIBC 150 and removed therefrom. In this case, the groove 161 is displaced past the bead 120 past, wherein the boundary wall 121 in turn yields resiliently to allow this.
  • the closure body 160 can then be inserted again from the outside into the bulk material opening 154, whereby it is moved back downwards (ie into the FIBC) until the closure position of the closure body 160 is reached is. In the closed position, the bead 122 in turn engages in the groove 161.
  • Fig. 3 shows the FIBC 150 during transport between a fill and a drain station.
  • the lower surface of the innermost flange member 120 is covered by a part of the liner 133 and the outer shell 153, while the lower surface of the middle flange member 151 is covered only by a part of the outer shell 153.
  • the portions of the inliner 133 and the outer shell 153 covering the underside of the connecting flange 120, 151, 152 are cut away to release the bulk material opening 154 and the annular channel 157 described below.
  • annular channel 157 is formed, the upper (of which removed from the bottom) lot with a plurality of radially extending reinforcing walls 123, 124 is provided.
  • the formed in the bottom of the innermost flange 120 annular channel 157 opens at the top into a plurality of passages 146, 147, 148, 149, which obliquely ascending upward through the innermost flange 120 pass and open in the interior of the FIBC 150, where they from a Shut off 165 are covered.
  • the shut-off 165 allows a flow of compressed air through the annular channel 157 and the Passages 146, 147, 148, 149 into the FIBC 150 while preventing reverse flow of compressed air and / or bulk material out of the FIBC 150.
  • the outermost (first) flange 152 of the in Fig. 3-5 shown connecting flange 120, 151, 152 has substantially the shape of a thick ring with a central passage, in which the middle (second) flange 151 is pluggable.
  • annular collar 156 is formed, which protrudes radially outward in a horizontal plane from the inside and the top adjacent section of the outermost flange element 152 and for coupling the flange element 152 or the FIBC to a filling or emptying station (not shown).
  • a plurality (namely, sixteen) of planar cuts are formed at regular intervals along the circumference of the outermost flange element, parallel to radial planes passing through the ring axis of the outermost flange element run to the ring axis.
  • a plurality (namely, sixteen) of blades 171, 172, 173 are formed between the cuts, which are formed identical to each other, and due to the elasticity of the plastic material, from which the outermost flange 152 is made, resiliently away in the direction of the ring axis to the outside and back again and are swiveling.
  • the wings 171, 172, 173 are hinged to the lower, non-notched portion of the outermost flange member (ie in the region of the lower ends of the sipes between the wings 171, 172, 173) is in the middle flange member 151 facing inner (with respect to the annular axis of the outermost flange 152) peripheral side of the outermost flange 152 a retaining groove 178 formed.
  • the retaining groove 178 extends with a constant cross section along an inner circumferential line of the outermost flange element 152 and serves to receive a retaining lug 135 of the middle flange element 151 together with the outer shell 153 arranged between the outermost flange element 152 and the middle flange element 151.
  • the middle (third) flange 151 of the in Fig. 3-5 illustrated connection flange 120, 151, 152 has substantially the shape of a ring with a central passage into which the innermost (third) flange 120 is pluggable.
  • the retaining lug 135 runs with a constant cross section along an outer circumferential line of the central flange element 151. Further, in the outer peripheral side of the middle flange member 151, a retaining edge 131 is formed.
  • the retaining edge 131 runs along an outer circumferential line of the central flange element 151 and serves to retain a thickening 159, formed as a seam, of the outer shell 153 arranged between the outermost flange element 152 and the middle flange element 151.
  • a retaining groove 132 is formed in the inner flange member 120 facing inner (with respect to the annular axis of the central flange 151) peripheral side of the central flange 151 .
  • the retaining groove 132 extends with a constant cross section along an inner circumferential line of the middle flange member 151 and serves to receive a retaining lug 126 of the innermost flange member 120 together with the inliner 133 interposed between the middle flange member 151 and the innermost flange member 120.
  • On the inner peripheral side of the middle flange member 151 further arranged a made of an elastic sealing material mounting gasket 136.
  • the retainer seal ring 136 extends with a constant cross section along an inner circumferential line of the middle flange member 151 and serves to seal the gap formed between the middle flange member 151 and the innermost flange member 120 and to hold the inliner 133 disposed in this gap.
  • the above-mentioned retaining tab 126 is formed at the outer side (with respect to the ring axis of the innermost flange member 120) peripheral side of the lower portion of the innermost flange member 120 facing the middle flange member 151.
  • the retaining lug 126 runs with a constant cross section along an outer circumferential line of the lower part of the innermost flange element 120.
  • a Garrungsdichtnut 125 is formed in the outer peripheral side of the lower portion of the innermost Flanschelements 120, in which the above-mentioned Garrungsdichtring 136 together with the arranged between the central flange 151 and the innermost flange 120 Inliner 133 is receivable.
  • the Garrungsdichtnut 125 extends with constant cross-section of an outer circumferential line of the lower portion of the innermost flange 120 along.
  • connection flange 120, 151, 152 selectively releasably connected to the formed from the liner 133 and the outer shell 153 container wall of the FIBC 150.
  • the outer shell 153 is selectively releasably held between the outermost flange member 152 and the middle flange member 151, while the inliner 133 is selectively detachable between the middle flange member 151 and the lower one. Part of the innermost flange 120 is held.
  • both the outer sheath 153 and the inliner 133 are between the outermost flange member 152 and the upper portion of the innermost flange 120 held.
  • the connecting flange 120, 151, 152 comprising the three flange elements 120, 151 and 152 to the container wall of the FIBC 150 formed by the inliner 133 and the outer casing 153
  • the retaining lug 126 of the innermost flange 120 is slid downwardly from above the inner peripheral side of the middle flange 151 and past the bracket seal 136.
  • the composite formed of the inner flange member 120, the inliner 133 and the middle flange member 151 is inserted from above into the central passage in the outer flange member 152 with the outer cover 153 disposed between the middle flange member 151 and the outer flange member 152. pushed into it.
  • the retaining lug 135 is slid down from above the inner peripheral side of the outer flange 152 and down the wings 171, 172, 173.
  • the vanes 171, 172, 173 are initially resiliently pushed outward, away from the ring axis of the outer flange element 152.
  • the wings 171, 172, 173 lock pieces which in conjunction with the retaining lug 135 and the retaining groove 178 provide a locking device for selectively releasably locking the outermost flange 152 with respect to the central flange 151.
  • the middle flange element 151 and the outermost flange element 152 are formed in the region of the retaining lug 135 and the retaining groove 178 such that the outer shell 153 arranged between them is deflected by approximately 150 degrees. It is thereby achieved that the outer shell is clamped in a partially load-closing puncture between the middle flange element 151 and the outer flange element 152.
  • the clearance between the middle flange member 131 and the outermost flange member 152 is sized such that the outer shell 153 but not the thickening 159 thereof has room in this space.
  • the retaining edge 131 and the thickening 159 thus act as a stop and counter stop, which in this area the outer shell 153 and the connecting flange 120, 151, 152 by positive engagement tensile strength connect together.
  • the outer circumference of the outermost flange element 152 is finally mounted along a metal strip 141 in an arrangement comprising the wings 171, 172 173 such that it holds the wings 171, 172, 173 together in the direction of the ring axis of the outermost flange element 152.
  • This is the in Fig. 3 shown state of the bulk material container 150 reached.
  • the metal strip 141 mounted on the outer flange element 152 prevents the wings 171, 172, 173 from pivoting outwards away from the ring axis.
  • the metal strip acts as a locking device, which serves as locking pieces serving wings 171,172, 173 in its with the flanks of the retaining groove 178 the retaining lug 135 engaging behind position (in which the outermost flange 152 is locked relative to the central flange 151) selectively releasably lock.
  • the metal strip 141 acts as a reinforcing strip 141, which prevents excessive deformations of the connecting flange 120, 151, 152 at high loads.
  • the above-mentioned steps are performed in reverse order and in the reverse direction.
  • the metal band 141 is released from the outer flange member 152.
  • the wings 171, 172, 173 are pushed outwardly away from the ring axis of the outermost flange element 152 and the outer flange element 152 is pulled downwardly away from the middle flange element 151 and removed from the remainder of the FIBC 150.
  • FIG. 6 is in one of the Fig. 3 corresponding representation of a FIBC 250 according to another preferred variant of the invention shown. From the in Fig. 3-5 FIBC 150 differs from that in Fig. 6 shown FIBC 250 essentially in that the central flange member 251 is not formed as a one-piece molding, but as a two-piece unit and a first flange 210 and a second flange 211, each formed as a separate flange 210, 211 and optionally connectable to each other and again are detachable from each other.
  • the remaining components of in Fig. 6 shown FIBC 250 are similarly designed and arranged as the corresponding components of in Fig. 3-5 shown FIBC 150.
  • the container wall of in Fig. 6 FIBC 250 shown includes an outer shell 253 and an inliner 333.
  • a closure is used, which comprises an annular connecting flange 220, 251, 252 and a closure body 260.
  • the connecting flange 220, 251, 252 is composed of a first, outermost flange element 252, a second, middle flange element 251 and a third, innermost flange element 220, in the latter of which the bulk material opening 254 is formed.
  • the FIBC 250 is further provided with a shut-off body 265 and a metal band 241.
  • central flange 251 is composed of a first, outer flange portion 210 and a second, inner flange portion 211, both of which are formed substantially annular and in the illustration of Fig. 6 are arranged such that their ring axes coincide and extend substantially vertically.
  • the outer flange portion 210 has substantially the shape of a ring with a central passage.
  • the outer peripheral side of the inward side facing the outermost flange element 252 Fig. 6 shown outer flange portion 210 is analogous to the outer peripheral side of in Fig. 3 formed central flange 151 so that the outer flange 210 is plugged into the central passage of the outermost flange 252 inside.
  • a plurality of grooves 212 are formed in the inner peripheral side of the outer flange part 210 facing the inner flange part 211.
  • the inner flange part 211 has substantially the shape of a ring with a central passage.
  • the inner flange portion 211 is receivable in the central passage of the outer flange portion 210.
  • a plurality of projections 213 are integrally formed.
  • the projections 213 on the inner flange part 11 and the grooves 212 in the outer flange part 210 are arranged and formed such that they form a form-fitting connection, by means of which the outer flange part 210 and the inner flange 211 are selectively releasably connectable to each other, said positive Connection can be actuated only by sliding and rotating movements of the two flange parts 210, 211 with respect to each other in order to separate or connect the flange parts 210, 211 from each other.
  • a positive connection of the type of a bayonet closure is provided. This form-fit connection can be easily actuated with a comparatively small amount of force in order to selectively release the flange parts 210, 211 from one another and / or to connect them to one another.
  • the inner flange part 211 is further provided with a few recesses 214, which are accessible from the underside of the connecting flange 220, 251, 252 ago.
  • these recesses 214 grippers of a tool of an actuating device (not shown) can be inserted, by means of which the two flange 210, 211 can be automatically optionally separated from each other or connected to each other to allow automatic filling and / or emptying of the FIBC 250.
  • the innermost flange 220 facing inner peripheral side of in Fig. 6 shown inner flange 211 is analogous to the inner peripheral side of in Fig. 3 formed mean flange 151, so that the lower portion of the innermost flange 220 is inserted into the central passage of the inner flange 220 into it.
  • the connecting flange 210, 251, 252 optionally releasably connected to the container wall formed from the outer shell 253 and the inliner 233.
  • the outer shell 253 is held between the outermost flange member 252 and the outer flange part 210 of the middle flange member 251, while the inliner 233 is held between the inner flange part 211 of the middle flange member 251 and the innermost flange member 220.
  • another holder seal ring 215 is disposed on the outer peripheral side of the lower portion of the innermost flange member 120, which serves to additionally seal the gap formed between the middle flange member 251 and the innermost flange member 120, and to additional holding of the arranged in this space inline 233 serves.
  • the first container unit comprises the outer casing 253, the outermost flange element 252 and the outer flange part 210 of the middle flange element 251, while the second container unit comprises the inliner 233, the inner flange part 211 of the middle one Flange member 251, the innermost flange 220 and the closure body 265 includes.
  • FIBC 350 according to another preferred variant of the invention is shown.
  • the FIBC 350 essentially corresponds to the FIBC 250 as shown Fig. 6 and differs from this in particular by a differently formed sealing of the compressed air channels 348, 349 of the innermost flange member 320, a differently formed positive connection of the two flange portions of the central flange member 351 and another arrangement of the Garrungsdichtrings 315 with respect to the inliner 233. It is to note that these differences, although in Fig. 7 are shown together, are independent of each other and therefore each can be implemented individually and independently.
  • the innermost flange element 320 is designed such that its compressed air channels 349 open into a circumferential groove 366 on the outside of the flange element 320.
  • the shut-off body 365 is formed as an O-ring, which is made for example of a flexible, rubber-like material and comes to lie in this circumferential groove 366. As long as there is no or only slight overpressure in the annular channel 357 and in the compressed air channels 349, the shut-off body 365 seals the compressed-air channels 349 and prevents the bulk material inside the inliner 233 from entering the compressed-air channels 349 and the annular channel 357 of the flange element 320 can get.
  • shut-off body 365 is easily deformed and the compressed air can escape past the deformed shut-off body 365 into the interior of the inliner 233.
  • the compressed air flowing into the inliner 233 simultaneously prevents bulk material from the inliner 233 from flowing into the compressed air channels 349 and the annular channel 357.
  • FIG. 6 shown FIBC 250 Another difference to that in Fig. 6 shown FIBC 250 is that the connection between the two flange portions 310, 311 of the central flange member 351 not as in Fig. 6 in such a way that the inner flange part 311 from below (the terms below or above, as shown in FIG Fig. 6 used, ie below means the side facing away from the interior of the liner 233 and above, the side facing the interior of the liner 233) is inserted into the outer flange portion 310, but the inner flange portion 311 is inserted into the outer flange portion 310 from above.
  • the inner flange part 311 from below the terms below or above, as shown in FIG Fig. 6 used, ie below means the side facing away from the interior of the liner 233 and above, the side facing the interior of the liner 233
  • the bayonet closure formed by the groove 312 and the projection 313 is not arranged in the lower region, but in the upper region of the two flange parts 310, 311.
  • This formation of the connection of the two flange parts 310, 311 in particular makes it easier to disassemble the two flange parts 310, 311, in that the inner flange part 310 can be removed together with the innermost flange element 320 and the inliner 233 clamped therebetween.
  • the assembly of the two flange 310, 311 may be facilitated by this formation of the compound.
  • connection device of the two flange parts 310, 311 can also be designed in such a way that the inner flange part 311 can be inserted into the outer flange part 310 both from above and from below. This can be achieved, for example, by passing on the inside of the outer flange portion 310 through grooves (in the illustration Fig. 7 not visible) are provided from the upper to the lower edge, so that the projections 313 on the outside of the inner flange 311 inserted in these through grooves selectively from the top or bottom to the grooves 312 and in the grooves 312 in the manner of a bayonet closure by a Rotary movement can be locked. This allows maximum flexibility in the assembly and disassembly of the two flange 310, 311 can be achieved.
  • FIG. 6 illustrated FIBC 250 Another difference to that in Fig. 6 illustrated FIBC 250 is that the support sealing ring 215 not as in Fig. 6 under the inliner 233, that is, directly on the outer circumference of the inner flange 220, but that the holder seal 215 is similar to the holder seal 236 Fig. 6 almost overlying the inliner 233.
  • the inliner 233 is laid over the inner flange member 320 and then the holder seal ring 215 is placed over the inliner 233, so that the holder seal ring 215 is positioned together with the inliner 233 in the corresponding recess on the outer circumference of the inner flange member 320.
  • connection flange also allows easier assembly and disassembly of the entire connection flange on the bulk material container.
  • mounting gaskets 236, 215 it is also possible to optionally position one or both mounting gaskets 236, 215 above or below the inliner 233 in order to achieve optimum sealing and clamping of the inliner in the connection flange.

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Claims (9)

  1. Récipient pour matériaux en vrac (50, 150, 250) comprenant une paroi de récipient, qui présente une première couche (53, 133, 153, 233, 253), laquelle (53, 133, 153, 233, 253) a au moins une partie (53, 133, 153, 233, 253) fabriquée en un matériau flexible, et une bride de raccordement (51, 52, 120, 151, 152, 220, 251, 252) pourvue d'une ouverture pour matériaux en vrac (54, 154), laquelle bride raccordement est fabriquée en un matériau rigide, la bride de raccordement (51, 52, 120, 151, 152, 220, 251, 252) étant reliée au moyen d'un dispositif de liaison de manière détachable au choix à une première partie de couche (53, 133, 153, 233, 253) fabriquée en le matériau flexible, et la bride de raccordement (51, 52, 120, 151, 152, 220, 251, 252) présentant au moins un premier et un deuxième élément de bride (51, 52, 151, 152, 251, 252) qui sont réalisés à chaque fois sous forme d'éléments de bride séparés (51, 52, 151, 152, 251, 252) et qui peuvent être reliés au choix l'un à l'autre et à nouveau détachés l'un de l'autre, afin de retenir, dans un état des éléments de bride (51, 52, 151, 152, 251, 252) reliés les uns aux autres, la première partie de couche (53, 133, 153, 233, 253) connectée à la bride de raccordement (51, 52, 151, 152, 251, 252) entre les deux éléments de bride (51, 52, 151, 152, 251, 252) et donc de la relier à la bride de raccordement (51, 52, 120, 151, 152, 220, 251, 252), la première partie de couche (53, 133, 153, 233, 253), dans un état des éléments de bride (51, 52, 151, 152, 251, 252) détachés les uns des autres, pouvant être libérée, de sorte que celle-ci puisse être complètement séparée de la bride de raccordement (51, 52, 120, 151, 152, 220, 251, 252), caractérisé en ce que la paroi de récipient présente en outre une deuxième couche (133, 233) qui a au moins une partie (133, 233), la bride de raccordement (120, 151, 152, 220, 251, 252) présentant en outre au moins un troisième élément de bride (120, 220), qui est réalisé sous forme d'élément de bride séparé (120, 220) et qui peut être relié au choix au deuxième élément de bride (151, 251) et à nouveau détaché du deuxième élément de bride (151, 251), afin de retenir, dans un état du troisième élément de bride (120, 220) relié au deuxième élément de bride (151, 251), la partie de couche (133, 233) de la deuxième couche (133, 233) entre le deuxième (151, 251) et le troisième élément de bride (120, 220), et donc de la relier à la bride de raccordement (120, 151, 152, 220, 251, 252), la partie de couche (133, 233) de la deuxième couche (133, 233), dans un état du troisième élément de bride (120, 220) détaché du deuxième élément de bride (151, 251), pouvant être libérée, de sorte que celle-ci puisse être complètement séparée de la bride de raccordement (120, 151, 152, 220, 251, 252).
  2. Récipient pour matériaux en vrac (50, 150, 250) selon la revendication 1, caractérisé en ce que le dispositif de liaison est un dispositif de liaison par engagement par force.
  3. Récipient pour matériaux en vrac (50, 150, 250) selon la revendication 2, caractérisé en ce que le dispositif de liaison par engagement par force est réalisé sous forme de dispositif de serrage (135, 178) se fermant en charge au moins en partie.
  4. Récipient pour matériaux en vrac (50) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de liaison est un dispositif de liaison par engagement par correspondance géométrique (151, 159).
  5. Récipient pour matériaux en vrac (150, 250) selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il est pourvu en outre d'une bande de renforcement (141, 241) qui est disposée au choix à nouveau de manière détachable le long d'une périphérie extérieure de la bride de raccordement (120, 151, 152, 220, 251, 252).
  6. Récipient pour matériaux en vrac (150, 250) selon la revendication 1 caractérisé en ce que le premier élément de bride (152, 252) est muni d'au moins un élément de verrouillage (171, 172, 173) qui est réalisé de telle sorte, et qui est disposé sur le premier élément de bride (152, 252) de telle sorte que dans l'état des éléments de bride (151, 152, 152, 252) reliés les uns aux autres, l'élément de verrouillage (171, 172, 173) puisse être déplacé entre une première position dans laquelle il vient en prise par l'arrière avec une partie de retenue (135) du deuxième élément de bride (151, 251), et une deuxième position dans laquelle il ne vient pas en prise par l'arrière avec la partie de retenue (135).
  7. Récipient pour matériaux en vrac (150, 250) selon la revendication 6, caractérisé en ce qu'il est pourvu d'un dispositif d'arrêt (141, 241) qui est réalisé pour un blocage de l'élément de verrouillage (171, 172, 173) détachable au choix, dans la première position.
  8. Récipient pour matériaux en vrac (150, 250) selon la revendication 7 et la revendication 5, caractérisé en ce que la bande de renforcement (141, 241) est réalisée de telle sorte et est disposée sur la bride de raccordement (120, 151, 152, 220, 251, 252) de telle sorte qu'elle constitue en même temps le dispositif d'arrêt (141, 241).
  9. Récipient pour matériaux en vrac (250) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le deuxième élément de bride (251) présente au moins une première partie de bride (210) et une deuxième partie de bride (211), qui sont réalisées chacune sous forme de partie de bride séparées (210, 211) et qui peuvent être reliées l'une à l'autre au choix et à nouveau détachées l'une de l'autre, la partie de couche flexible (253) de la première couche (253), dans l'état du deuxième élément de bride (251) relié au premier élément de bride (252), étant maintenue entre le premier élément de bride (252) et la première partie de bride (210) du deuxième élément de bride (251), et la partie de couche (233) de la deuxième couche (233), dans l'état du troisième élément de bride (220) relié au deuxième élément de bride (251), étant maintenue entre le troisième élément de bride (220) et la deuxième partie de bride (211) du deuxième élément de bride (251).
EP06721918A 2005-04-20 2006-04-20 Recipient pour materiaux en vrac Active EP2066571B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CH2006/000216 WO2006111038A2 (fr) 2005-04-20 2006-04-20 Recipient pour materiaux en vrac et flasque de raccordement pour recipient pour materiaux en vrac
EP06721918A EP2066571B1 (fr) 2005-04-20 2006-04-20 Recipient pour materiaux en vrac

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05405306A EP1702866A1 (fr) 2005-03-14 2005-04-20 Conteneur pour matière en vrac et bride de connexion pour ledit conteneur
PCT/CH2006/000216 WO2006111038A2 (fr) 2005-04-20 2006-04-20 Recipient pour materiaux en vrac et flasque de raccordement pour recipient pour materiaux en vrac
EP06721918A EP2066571B1 (fr) 2005-04-20 2006-04-20 Recipient pour materiaux en vrac

Publications (2)

Publication Number Publication Date
EP2066571A2 EP2066571A2 (fr) 2009-06-10
EP2066571B1 true EP2066571B1 (fr) 2012-12-19

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EP06721918A Active EP2066571B1 (fr) 2005-04-20 2006-04-20 Recipient pour materiaux en vrac

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WO (1) WO2006111038A2 (fr)

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US20140254957A1 (en) * 2013-03-08 2014-09-11 Kenneth J. Boutte Bulk Material Bag Discharge Apparatus

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DE1411551A1 (de) * 1960-10-26 1968-10-17 Container Patent Company Gmbh Zusammenlegbarer Behaelter
US5690253A (en) * 1996-08-29 1997-11-25 Custom Packaging Systems, Inc. Large bulk liquid squeeze bag
DE19641982C1 (de) * 1996-10-11 1998-05-20 Degussa Entleerungsvorrichtung für Bulk Bags und deren Verwendung
JP4088147B2 (ja) * 2002-12-26 2008-05-21 オカモト株式会社 フレキシブルコンテナ
US6923340B2 (en) * 2003-02-27 2005-08-02 The Young Industries, Inc. System and method for storing, transporting and dispensing bulk particulate materials and dispensing apparatus therefor
WO2005016789A1 (fr) * 2003-08-11 2005-02-24 Ezi-Dock Systems Limited Ensemble de connexion destine a des contenants souples

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