Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
  • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
  • B65B1/28—Controlling escape of air or dust from containers or receptacles during filling

Definitions

• the present invention relates to a coupling closure and a docking device comprising two coupling closures docked to one another according to the invention. Furthermore, the invention relates to a holding device for actuating coupling closures or docking devices according to the invention. The invention also relates to a container for the fine metering of powdery or granular substances, comprising at least one coupling closure according to the invention.
• the coupling element disclosed therein can, for example, have guide rails mounted on a circumferential edge on its longitudinal sides and can be equipped on its opposite narrow sides with fixing elements for mutual fixation of the coupling elements forming a docking device.
• Such coupling elements are suitable for axial coupling to a second coupling closure for the purpose of forming the docking device described above.
• GB 2 040 862 A discloses a packaging device for vacuum packaging or for packaging in the absence of air and moisture.
• a suction line for evacuating the container to be filled holding and clamping members are provided with which the opening edge of a flexible container held during filling so ⁇ as can be automatically opened or closed.
• a one-piece holding device made of a rubber material can be used which, in order to ensure a reliable opening and closing of the opening edge of the flexible container, is additionally equipped with metallic struts.
• thermoplastic molded parts instead of components made of metal for An ⁇ dock systems for contamination-free transfer of bulk material can lead to material fatigue especially in Dau ⁇ er réelle or with very strong, long-lasting application of force.
• thermoplastic component components whose elastic properties can be used very advantageously for high-quality coupling closures and docking systems, the deflection from the ground state is prolonged As a result of cold forming processes a reduced tightness observed.
• this phenomenon does not occur regularly in conventional transfer cycles, but only in the case of long opening intervals, and in particular when using small-sized coupling closures and docking systems.
• EP 527 976 B1 proposes, for this purpose, a small metering device for powdery or granular substances which has an outlet which opens under lateral pressure and which widens in a variable manner, and a larger storage space in the form of a baby pacifier, which is provided with a is provided to the outlet verjüngen ⁇ the peg-shaped tip for exerting pressure.
• a lock device which can be attached above the outlet to dissolve a dome formation, and an activation device for applying pressure and for vibrating the loosening device can be used.
• a metering device does not allow a large margin in the amounts to be transferred. Also, it does not provide any precautions for an environmentally-compatible filling.
• a coupling closure for environmentally-insulated transfer, filling and / or emptying of containers comprising at least a first closure strip, comprising at least one at least partially elastic cheek body with an inner side, an outer side, an upper side and / or Edge and / or a bottom and / or edge, at least a first bearing element at the first end of the cheek body, in particular with a rounded, in particular Radia ⁇ len, outer circumference or outer peripheral portion and / or at least a first interior for receiving a joint axis and / or in the form of a first hinge element, and at least one second bearing element at the second end of the cheek body opposite the first end, in particular with a rounded, in particular radial, outer circumferential or outer peripheral section and / or at least one second interior for receiving a joint axis and / or in the form of a second hinge element; at least one second closure strip, comprising at least one at least partially elastic cheek body with an inner side, an outer side, an upper side and / or Edge and /
• a flexurally elastic element in the sense of the present invention can be elastically flexed laterally under the action of force.
• Bend-elastic elements are regularly not stretch-elastic at the same time.
• flexural elastic elements are substantially invariant to longitudinal expansion.
• Particularly preferred are bending elastic elements with pronounced flexural stiffness, the resilience of which does not lose its original quality even with frequent, and possibly also long-lasting, deflection.
• Suitable flexural elastic elements are preferably in the form of strips, struts or bars. These strips, struts and rods are preferably dimensioned in such a way that their transverse extent is not greater than the transverse extent of the cheek body.
• the longitudinal extent of these flexurally elastic elements is not greater than that of the cheek body.
• the flexurally elastic element is a Bau ⁇ part, in particular a strut, a rod or a bar, made of metal and / or of a composite material, in particular carbon and / or glass fiber composite material is.
• Suitable composites include, for example, fiber, tape, laminar and particulate composites. Fiber composites are particularly preferred. Glass fiber composites can be produced, for example, by means of pressing, winding or spin coating or by hand lamination.
• the particularly suitable Faserverbundtechnik ⁇ materials are characterized by an increased tensile and compressive strength and are elastic to the bows, while they have a pronounced resilience at the same time.
• Stretch-elastic elements in the sense of the present invention represent components which are reversibly changeable in their longitudinal extent when force is applied.
• rubber materials known to the person skilled in the art, such as rubber bands, strips or rods.
• the first and / or second end of the first and / or second stretch-elastic element of the first and / or second closure strip with the first and second holder of the first and / or second closure strip are connected and are preferably already in the ground state of the coupling closure, i. with closed coupling closure under a bias.
• the first and / or second bending elastic element also has a prestress in the state installed in the holder.
• This bias contributes to or causes the inner sides of the cheeks be pressed gegenein ⁇ other, whereby a tight seal is ensured.
• the flexurally elastic element in the ground state is arched or bent and can only be converted into the non-bent state under the action of force and introduced into the mountings.
• the holders ensure that the flexurally elastic element can not return to its initial state, a permanent pressure is exerted on the outside of the closure strip.
• An embodiment of the invention provides that the first and / or second holder of first and / or second closure strip on or on the outside of the cheek body of first or second closure strip is present or present.
• these may be those holders in which the opposite first and second ends of the flexurally elastic elements can be inserted or latched.
• the flexurally elastic elements, if present with their first and second ends in the holders, are preferably at least in one of these holders in the direction of the longitudinal axis of the Shutter bar movably mounted and can generally be removed only with strong bending from these brackets. The bending of the cheeks when opening the coupling closure is not enough for this regularly.
• the brackets have demge ⁇ according to the main function to prevent the opposite ends of the flexurally elastic element, in the ground state of the closure strip, for example, when under tension, even in the deflected state of the closure strip of this Ver ⁇ closing strip can substantially remove ,
• preferred embodiments are also distinguished by the fact that the first and / or second end of the first and / or second flexurally elastic element is at least partially be ⁇ wegbar inserted into the first and second bearing element and / or the first or second holder of the first and / or second closure strip.
• first and / or second bearing element of the first and / or second closure strip comprises or comprise the first and second Halte ⁇ tion of first or second closure strip.
• first and second bearing element of the first and / or second closure strip comprises or comprise the first and second Halte ⁇ tion of first or second closure strip.
• the distance between the first and second brackets is preferably greater than half the length of the cheek body.
• the bending or stretch-elastic element when present in the first and second brackets, preferably spans the central region of the cheek body.
• two, three or more bending and / or stretch-elastic elements may be present next to each other.
• the coupling connection according to the invention also has at least one first joint cap, which can be arranged at least partially above and / or around a first joint body, in particular adjacent first and second bearing elements of the first and second closure strip, forming a pivot bearing is, and / or at least one second joint cap, which is at least partially and / or about a second joint body, in particular adjacent to each other second and first bearing elements of the first and second closure strip can be arranged to form a pivot bearing; and / or at least one first hinge axis for receiving in the first inner space for rotatably supporting the first joint body, in particular of the first and second Lager ⁇ element of the first and second closure strip, and / or at least one second Gelenkach ⁇ se for inclusion in the second interior for the rotatable mounting of the second Gelenkkör ⁇ pers, in particular of the second and first bearing element of the first and second Verschluß ⁇ bar.
• first hinge element of the first closure strip and the second hinge element of the second closure strip as the first hinge body, a first hinge, in particular film hinge, and / or that the second hinge elements of the first closure strip and the first Schar ⁇ nierelement of second closure strip as a second hinge body a second hinge, ins ⁇ particular film hinge train.
• first and / or second bearing element of the first and / or second sealing strip at least partially simulates or emulate the shape of a circular ring, in particular represent bridge arms.
• First and second bearing elements are preferably designed in such a way that they form a joint body, which is held on a common axis and / or a common Ge steering cap in such a way that a guided, hinge-like movement of the cheek bodies connected to the bearing elements is made possible ,
• a rounded or circular outer and / or inner surface of the bearing elements generally allows a joint guide in a simple manner.
• adjacent bearing elements and / or the outer and / or inner surfaces of the joint body may be provided with a lubricant and / or lubricant.
• the first and / or second bearing element of the first and / or second closure strip on the outside of the first and / or second end of the cheek body of the first and / or second closure strip is attached or attachable an ⁇ .
• This embodiment includes, for example, both such coupling closures in which the or the bearing elements are an integral part of the first and / or second closure strip, as well as those in which the or the La ⁇ geremia represent separate components with the closure strip or .
• the webs or cheeks of the closure strip are reversibly connectable.
• a bearing element can be coupled via a snap-in connection, a spring / groove connection or another reversibly releasable non-positive or positive connection to the closure strip.
• This allows a very simple handling of the coupling closures according to the invention and, moreover, allows containers to be kept closed with the aid of the closure lead, without having to rely on additional bearing elements.
• for example can be used on a separate cover rail, which can be pulled over abutting first and second closure strips, for example by means of a spring / groove connection.
• the number of required for loading and refilling, structurally complex and therefore more expensive storage elements can be greatly reduced in this way, without having to accept restrictions when loading and decanting bulk material.
• first and / or second bearing element does not extend to the inside of the cheek body of the first or second closure strip or extend, in particular has a centering in the range of 90 ° to 240 ° or have , Since the bearing elements do not circumscribe a complete circular path, but leave an opening in the area of the inside of the cheeks, the handling during assembly of the closure strips into coupling closures or docking devices and in particular also the attachment of bag edges to the closure strips is facilitated.
• a further embodiment is characterized in that the first and / or second Gelenk ⁇ cap has or have internal dimensions that correspond to the outer dimensions of adjacent substantially correspond to hard first and / or second bearing elements, so that in an ⁇ each other applied inner sides of the cheek body of the first and second closure strip, the first joint cap, the first and second bearing element of the first and second closure strip and the second joint cap, the second and first bearing element of first or second Ver ⁇ closing strip to form a pivot bearing at least partially flush.
• the expended for the bending apart of the elastic cheek body forces can be introduced, for example, by using a joint cap in the closure strips. This joint cap also holds the first and second bearing elements forming the joint body during their opening and closing of the cheeks in their predetermined adjacent arrangement.
• the first and / or second Gelenk ⁇ cap a Gelenkkappendeckel with a hinge axis comprises, which in the first and second bearing element formed by first and second closure strip first interior or ., The second interior formed from the second and first La ⁇ element of the first and second closure strip is inserted or are.
• a joint or rotational axis can also be introduced into these first and second bearing elements or the first and second internal spaces.
• the Gelenk ⁇ cap comprises a first and a second joint cap half.
• the first and / or second joint cap half may have a locking opening in the rounded outer surface for receiving a locking pin of a bearing element and / or at least one locking bolt on an inner side of the cover for accommodating in a recess on the lower or upper side of a bearing element .
• the first and / or second joint cap can have a predetermined open section, which determines the opening angle of the first and second closure strip in the area of the first and second joint body.
• Preferred coupling closures are further distinguished by the fact that the first end, in particular the inner side, of the cheek body of the first closure element and / or the second end, in particular of the inner side, of the cheek body of the second closure element projects into the first inner space, in particular up to approximately to the middle point of the interior, and / or that the second end, in particular that of the inside, of the cheek body of the first closure strip and the first end, in particular the inside, of the cheek body of the second closure strip projects into the second interior, in particular approximately to the center of the interior.
• first bearing element of the first and / or second sealing strip comprises at least one annular body at least in sections and that the second bearing element comprises at least two annular bodies spaced from the first and / or second sealing strip, wherein the circle ⁇ annular body of the first bearing element between two spaced annular body of the second bearing element, in particular flush, with the formation of a first Ge steering body is fitted, and / or wherein the annular body of the second Lager ⁇ elements between two spaced annular body of the first bearing element, in ⁇ particular flush, can be fitted to form a second joint body, each forming an interior space for receiving at least one hinge axis.
• first and second bearing elements of the first and second closure strip are designed such that they can be fitted flush with each other, the quality of the guide and the Fixie ⁇ tion when opening and closing the coupling closure is increased again.
• first and second bearing elements of the first and second Ver ⁇ closing strip at least in sections form a substantially uniform cylindrical or spherical outer surface.
• preferred coupling closures are characterized in that the inside of the cheek body of the first closure strip and / or the inside of the cheek body of the second closure strip is arched, in particular in the form of a circle segment, at least in the ground state. Consequently, the inner sides close when mutual contact a ⁇ ffhungsschlitz.
• a coupling closure Formed from two cheek bodies, which are each curved on its inner side, a coupling closure according to the invention, this first leads to the anein ⁇ other adjacent inner sides of these cheeks form a substantially straight Verschluß ⁇ line with fixed bearing elements or joint bodies.
• the bulge of the insides in the ground state in such a coupling closure already provides a bias and consequently for a still safe closing.
• the use of curved on the inside Wan ⁇ gen Economics in a coupling closure according to the fact that the outer sides die ⁇ these cheek body in such a coupling closure often an outer curvature aufwei ⁇ sen. This outer curvature is now suitable for directing or facilitating the unfolding or opening of the cheeks which abut one another.
• Preferred coupling closures have at least one bulge bar and / or at least one indentation gutter on the inside of the cheek body of the first and / or second closure strip, which in particular extend from the first to the opposite second end of the cheek body, preferably parallel to the longitudinal axis of the cheek body Cheek body extends or extend. It can be provided that at least one bulge web is present in the region of at least one longitudinal edge or aus ⁇ designed as a longitudinal edge and / or that at least one, in particular central, gutter gutter is present between two spaced longitudinal edges and / or Ausbuch ⁇ .
• the Aus ⁇ buchtungssteg here in the longitudinal section has substantially the shape of a circular section, in particular with a maximum bulge approximately in the middle of the cheek body.
• At least one inner wall preferably both inner walls of the cheek body of the first and second closure strip, at least ei ⁇ NEN, in particular central, bulge and at least one gutter trough between the bulge and the upper longitudinal edge and at least one Eiribuchtungs- having trough between the bulge and the lower longitudinal edge of the inner wall.
• the bulge bar at least in sections, protrudes more strongly from the inner wall than the lower and / or upper longitudinal edges thereof.
• the longitudinal edges and the Ausbuchtungsstege on the inner wall of the cheeks body elastically design or only those areas which come ge for a secure closing in mutual contact of the inner sides of the cheeks body in question.
• the flexible containers or hoses are preferably not attached to these elastic regions by means of an adhesive, but only in those areas which are not essential for a secure closure of the cheeks body. In this way it is prevented that the permanent elasticity of the mentioned areas of the inner wall used for the secure closing is adversely affected by adhesive or adhesive.
• a particularly preferred coupling closure has a flexible container or a flexible tube, which, in particular along the edge regions or longitudinal edges, on the inside, outside, top edge and / or bottom edge of the cheek body of the first and / or second closure strip , in particular along the entire length of the cheek body, attachable or is present.
• a preferred embodiment is also characterized in that the container or tube covers the entire inner side of the cheeks body of the first and / or second Verschlußlei ⁇ ste, in particular the edge of the container or the tube approximately to the edge of the inside of the cheek body of the first and or second closure strip corresponds to and / or projects beyond it.
• the container or the tube can be glued or welded, for example, all over or partially to the cheek body or its inner side.
• the hose or the flexible container is already in the injection molding of the wall gen emotionss or the closure strip integrated at least on a component of the coupling closure. This eliminates a further step and creates a particularly strong and tight connection. Furthermore, the curing phenomena are avoided, which can occur when using adhesives due to the interaction with, for example, a flexible Kunststoff ⁇ material material of the cheek body.
• a further development likewise provides that the hose or the container both on the first cheek body or the first closure strip and on the second cheek body or the second Verschluß ⁇ bar a coupling closure during injection molding of these components, either in one step or in successive process steps, incorporated or connected.
• first and / or second sealing strip on the longitudinal upper and / or lower side in particular in each case comprising the section between the inner and the outer side of the cheek body of the first and / or second sealing strip, at least one coupling device, in particular in the form of a groove and / or spring has.
• the first and / or second closure strip or its cheek body on the longitudinal side top has a groove or a spring and on the longitudinal underside of a spring or a groove or have.
• a particular advantage of the coupling closures according to the invention is that they can be formed from two substantially identical closure strips. For one of the Verschlußlei ⁇ only one to rotate each 180 ° C in order to be brought to another closure strip to form a coupling closure to the plant. This reduces the manufacturing costs, simplifies the assembly and ultimately also to lower Ausfallsei ⁇ th when loading or transferring bulk material.
• the cheek body of the first and / or second closure strip on or on the inside in particular extending over the entire length of the inside, at least one elastomeric or thermoplastic-elastomeric segment.
• the inside of the cheek body can be formed by an elastomeric segment.
• the cheek body or closure strip may be made of two or more different materials, the inside of the cheek body preferably comprising said elastomeric or thermoplastic elastomeric material for reasons of better sealing, while the outside is e.g. can be made of a thermoplastic or metal.
• Such components can be e.g. Produce in a single process by means of two-component injection molding.
• the outer sides of the cheek body of the first and / or second closure strip are preferably at least partially made of a thermoplastic material, e.g. in the form of a thermoplastic segment.
• the thermoplastic outer side or the outer segment of the closure strip can also be very thin, e.g. be kept in the range of 0.5 to 2 mm.
• the elastomeric inner side or the inner segment can also be made very thin, but is usually thicker on average than the outer component.
• the elastomeric inner side or the elastomeric inner segment of the cheek body of at least one closure strip of the coupling closure is at least partially, in particular completely, larger in size than the outer side of the cheek body of, for example, thermoplastic material. It is of particular advantage if the elastomeric segment of the cheek body on the opposite longitudinal sides over the edge of the outside material, in particular thermoplastic material, protruding from the cheeks body. In this way the degree of tightness, in particular with frequent reversible actuation, is increased again.
• the entire cheek body is based on an elastomeric material.
• the elastic element determines the resilience of the coupling closure according to the invention.
• the elastomeric cheek body via opposite, thermoplastic La ⁇ geremia and optionally mounts for the bending elastic element, provided that they are not present in the bearing elements grouted.
• Such a component may e.g. be obtained by 2K injection molding.
• a cheek body could e.g. form a multi-layer structure comprising, for example, an elastomeric inner segment, at least one flexurally elastic element and subsequently a thermoplastic or metallic outer segment.
• particularly preferred coupling closures are accordingly distinguished by the fact that the bearing elements and / or outer sides of the cheeks of the first and / or second closure strip at least in sections, in particular along the rounded outer surfaces, thermoplastic polymers, in particular polyoxyalkylenes, preferably polyoxymethylene (POM ), Polyolefins, for example polyethylene and polypropylene, polystyrene, styrene copolymers, for example ABS, SAN, ASA and AES, polyamides, polyesters, for example polybutylene terephthalate and polyethylene terephthalate, poly (meth) acrylates, for example polymethyl methacrylate, PVC and or polyketones, preferably alternating carbon monoxide / ethylene copolymers.
• thermoplastic polymers in particular polyoxyalkylenes, preferably polyoxymethylene (POM ), Polyolefins, for example polyethylene and polypropylene, polystyrene, styrene copolymers
• Coupling closures according to the invention can furthermore have at least one separate and / or integrated arresting unit for, in particular temporary, fixing the position of the first and / or second closure strip or its cheek body and / or at least one separate or integrated covering unit for the at least partially, in particular um ⁇ world-tight, Cover at least one side or surface of the coupling seal provided for docking.
• arresting unit and cover unit can also be designed in one component.
• Suitable locking and / or covering units can furthermore be configured as a transport aid, for example as a transport clip, and ensure unproblematic transport or unproblematic storage of, for example, containers and bagged bags, without the risk of the contents being transported or transported during transport storage contaminates the environment.
• the locking and covering units thus provide suitable means for securing a coupling closure against inadvertent opening or closing before and after use, and for protecting the docking surfaces against contamination.
• the closure strips or cheek elements expediently have on their respective outer sides at least one locking element, for example a locking groove, into which the locking and covering units can be inserted via corresponding devices, eg rails.
• a coupling closure for environmentally-insulated transfer, infestation and / or emptying of containers, comprising at least one first Verschlußlei ⁇ ste containing at least one at least partially elastic cheek body with ei ⁇ ner inside and an outside; at least one second closure strip, containing at least one at least partially elastic cheek body with an inner side and an outer side, wherein the inner sides of the cheek body of the first and second Verschluß ⁇ strip at least partially sealingly against each other can be applied and under Kraftbeaufschla ⁇ supply reversible to form a fürgangsöffhung obvious ; and at least one first bending and / or stretch-elastic element, which can be applied to the outside of the cheek body of the first closure strip or rests or connectable or connected to the cheek body of the first closure strip, and / or at least one second bending and / or stretch-elastic element which can be applied to the outside of the cheek body of the second closure strip or rests or which is connect
• a container in particular Feindosier anyoneer, for bulk material, comprising an at least partially flexible container body and minde ⁇ least one associated with this container body, at least partially flexible winning ⁇ medium comprising at least a first opening end, bulk material being transferable via the container body into the conveying means in the direction of the first opening end, and at least one first and at least one second coupling closure according to the invention, the first opening end of the conveying means being in particular environmentally sealed with the first coupling closure , is connected or connectable and wherein the inner sides of the cheek body of the first and second closure strip of the second coupling closure in the manner of the funding applied or applied and / or with the counselmi be verbun ⁇ or connectable that a reversibly closable passage for bulk material from the container body via the second coupling closure to the conveying means in the direction of the first opening end is feasible.
• a preferred embodiment provides a container with an at least partially flexible container body, comprising at least one first outlet, at least one at least partially flexible conveying means, comprising at least a first and at least one second opening end, and at least one first and at least one second coupling closure according to the invention, wherein the first outlet of the container body, in particular environmentally sealed, is connected to the second coupling closure or connectable and wherein the second opening end of the conveying means connected to the second coupling closure in such a way or connectable, that a reversibly closable passage of the Container body can be realized via the second coupling closure to the conveying means, and wherein the first opening end of the conveying means with the first coupling closure ⁇ in particular environmentally sealed, connected or connectable.
• any container come into question. Suitable containers should, at least in the region of the transition to the conveying means, ie at the point at which the second erfindungsge- If the coupling closure is present, it must be at least so flexible that a passage opening for the passage of bulk material is reversibly realizable by actuation of the coupling closure.
• flexible plastic containers or bags are used for this purpose.
• the container body is usually larger or grouted over a larger diameter than the conveyor. However, this is not an essential requirement. Rather, the container body can also grout substantially over the same diameter or the same size or dimension as the Fördeffen.
• a suitable conveying means is, for example, a hose or even a tube, which is flexible at its opposite end portions.
• the conveying means may, for example, taper from the second coupling closure towards its first opening end, but may also have a constant diameter.
• a first outlet of the container body in the sense of the present invention is that region of the container which extends from the second coupling closure in the direction of the container body. As a rule, the container body tapers in this area in the direction of the conveying means or of the second coupling closure.
• the container body can also have at least one first inlet.
• a first inlet in the sense of the present invention represents an opening through which the container can be filled continuously or discontinuously.
• such a first inlet can be connected to a coupling closure according to the invention, so that docking to a corresponding er ⁇ inventive coupling closure to form a docking device according to the invention is possible.
• the container body and the conveying means are integrally formed. It can be provided that the container body and the winning ⁇ medium in the region of the second coupling closure are formed continuously.
• the second coupling closure encloses the conveyor in this variant and is preferred wise, in particular via the insides of his cheek body, connected to the wall of the För ⁇ derffens or attached to this.
• the first recess is dimensioned smaller than the cheek body of the first closure strip of the second coupling closure, so that this cheek body, the first recess substantially completely, in particular environmentally sealed, covering, and / or that the second recess is smaller than the cheek body the second closure strip of the second coupling closure, so that this cheek body substantially completely, in particular environmentally sealed, covers the second recess.
• the edge surrounding the first and / or second recess is substantially environmentally sealed with the first and / or second closure strip or with the cheek body of the first and / or second closure strip of the second coupling closure, in particular, environmentally sealed , connected or connectable.
• a container in particular a fine metering container, for bulk material, comprising an at least partially flexible container body, at least one at least region-wise flexible conveying means, containing at least one first opening end, wherein bulk material via the container body in the conveying means in the direction of the first ⁇ ffhungsendes transfe ⁇ rierbar, at least one first coupling closure according to the invention and at least one present in the conveyor, in particular sealingly adapted, metering device with at least one opening under lateral pressure and expanding variable Outlet, wherein the first ⁇ ffhungsende of the conveying means with the first coupling closure, in particular environmentally sealed, connected or connectable.
• the container body and conveying means can also have approximately the same diameter, wherein the conveying means then identifies that region of the container according to the invention which has internal areas of the dosing device and an opening end.
• the container body has a larger diameter than the conveying means.
• a suitable metering device with at least one outlet which opens under lateral pressure and which widens in a variable manner can comprise, for example, a disk of flexurally elastic material which is let into the conveying means or fitted. The circumference of these discs then preferably corresponds to the cross-sectional area of the conveyor transversely to the passage direction.
• the metering device may have a storage space extending in the direction of the container body, in particular at least partially present in the conveying means.
• the metering device can be designed, for example, in the form of a cup.
• the metering on the inside at least partially, in particular full-circumference, flush with the conveying means, e.g. the inner wall, rests and / or is connected to this conveyor or the inner wall.
• conveying means and metering device can also be formed substantially in one piece.
• the metering device is preferably dimensioned such that it can be accurately inserted into the conveying means.
• a tight seal with the inner wall of the conveying means can be achieved so that bulk material can be transferred exclusively through the outlet of the metering device in the direction of the first opening end of the conveying means.
• the outlet of the metering device is designed slot-shaped. This can be effected, on the one hand, by the surface of the metering device having the Aus ⁇ outlet cut or notched over its entire diameter or vor ⁇ preferably only partially at least once.
• the longitudinal sides of the material outlet are forced apart from one another. With increasing pressure, the outlet opening increases.
• the lateral pressure can be generated manually or by machine.
• the object underlying the invention is further achieved by a Andockeinrich ⁇ device for environmentally-insulated decanting, infestation and / or emptying of bulk material and / or fluids comprising at least two together, in particular flush, applicable and / or dockable coupling closures according to the invention.
• the underside of the first coupling closure in particular the underside and / or lower edge of the cheek body of the first and second closure strip, regularly comes with the upper side of the second coupling closure, in particular the upper side and / or edge of the cheek body of the first and second closure strip , to the plant.
• the coupling closures used for the docking device according to the invention are preferably matched in shape and size to each other, that when opposing first and second joint body and / or first and second coupling closures are pressurized, the cheek body of the first and second coupling closure, in particular uniformly, bend apart ie open and close at the same time.
• the movement of adjoining cheeks body of the first and second coupling closure can be particularly effective, for example, via interengaging coupling devices, such as tongue and groove.
• a docking device in which a coupling according to the invention, in particular flush, is applied or docked to the first coupling closure of a container according to the invention.
• At least one coupling closure in particular in an environmentally insulated manner, to be connectable or connected to a flexible container, in particular in the edge region of the opening.
• At least one coupling closure with a, in particular in the edge region, flexible tubular shaped body, in particular environmentally isolated, connectable or connected.
• a holding device for actuating coupling closures according to the invention and / or docking devices according to the invention comprising a first receiving and / or locking unit for, in particular flush, receiving and / or locking the first joint body and / or the first Joint cap of a coupling closure or a docking device; a second receiving and / or locking unit for, in particular flush, receiving and / or locking of the second joint body opposite the first joint body and / or the second joint cap of the coupling closure or the docking device; and an adjusting mechanism, which is set up in such a way as to move the first receiving and / or locking unit and the second receiving and / or locking unit toward and away from one another by opening or closing the coupling closure or docking device.
• the holding device preferably has at least one Gelenk ⁇ axis for receiving a first and / or second bearing element of the first and / or second Closure strip, in particular of the first and / or second joint body.
• the first and / or second receiving and / or locking unit may have a lower and / or upper, in particular rotatable or displaceable, locking mechanism. Also, the travel of the first and second receiving unit may be limited to each other and / or away from each other.
• the holding device can be manually, semiautomatically and fully automatically operated and used for unlocking, locking, opening and closing of a coupling closure or a docking device.
• the adjusting mechanism can, for example, use a rotary joint or an actuator with or without swivel joints.
• the holding device may also contain at least one pneumatically, hydraulically or elektromo ⁇ torically operated, in particular semi or fully automatic, adjusting mechanism.
• a pneumatically operated holding device again increases the reliability when filling, transferring or emptying bulk material.
• the opening and closing of docking devices according to the invention always succeed optimally, regardless of their size and / or elastic properties.
• the holding device can have at least one suction device which can be brought into operative connection with the first and / or second holding device and / or the first and / or second steering cap and / or first and / or second joint body of the first and / or second coupling closure is or stands.
• the present invention is therefore based on the finding that the erfmdungsge- Permitted design of a coupling closure and a docking device for filling or emptying of at least partially substantially flexible containers an effective contamination-free loading or decanting of bulk material and / or fluids GE ⁇ is guaranteed. Furthermore, the coupling closures and docking devices according to the invention have an effective constructional design with a very small number of individual components and offer a high degree of reliability and safety even in continuous operation and in the case of sustained stress. Technical defects and signs of wear, even under continuous load, can be virtually eliminated.
• the coupling closures according to the invention and docking devices can be maintained for an extended period of time in an open state, without this affecting the subsequent closing operation and a reliable, dense concerns of the insides of the cheeks body.
• the erfindungs ⁇ proper coupling closures and docking devices are inexpensive to manufacture.
• a coupling closure may even comprise two identical first and second closure strips.
• the full cross section of the fürlichöffhung a erfmdungswashen coupling closure or a docking device can be used, whereas according to the known Doppelkappentechnik the Doppelkap ⁇ penein accounts reduce the cross section.
• the entire coupling closure including bending or stretch-elastic element, can be made of plastic materials and thus a unpro ⁇ matic disposal is accessible.
• the docking devices according to the invention as well as coupling closures are suitable for the particularly environmentally insulated filling of flexible containers directly from filling or production plants. These docking devices and coupling closures can also be used easily and reliably in order, for example, to fill or empty sacks, production plants, formulation plants, extruders and injection molding and blow molding machines without contamination.
• the docking device according to the invention or the like has not been used.
• the coupling closures according to the invention have proven to be extremely advantageous.
• high-purity plastics can be obtained in a reliable manner that granules are filled via the docking device according to the invention directly into a plastic processing plant, such as an extruder, in a preferred embodiment, the coupling closures, docking and / or Benzol ⁇ ter be made of the same material can like the substance to be transfused.
• the docking device according to the invention loading or emptying stations in production plants can be made considerably simpler and more cost-effective without having to accept any losses with regard to contamination-free work.
• the coupling closures and docking devices according to the invention both ensure that the environment is not burdened with bulk material residues, as well as that the bulk material to be transferred is not contaminated by substances and particles from the environment.
• Figure 1 is an illustration of a closure strip according to the invention in perspective
• Figure 2 is a perspective view of a coupling closure according to the invention.
• Figure 3 is a perspective view of two inventive coupling closures before docking to form a coupling closure according to the invention
• FIG. 4 is a perspective view of a holding device according to the invention containing a docking device according to the invention in the opened state;
• Figure 5a is a plan view of an inventive container for fine dosing of powdered bulk material;
• FIG. 5b shows a plan view of an intermediate production stage of the metering container according to FIG. 5 a.
• Figure 6 is a plan view of an alternative embodiment of an inventive
• FIG. 1 shows a first closure strip 2 of a coupling closure 1 according to the invention in a schematic side elevational view.
• the first closure strip 2 has a longitudinally shaped cheek body 6 and a first bearing element 18 at the first end of the cheek body 6 and a second bearing element 20 at the second end foundedlie ⁇ ing second end of the cheek body 6.
• the cheek body 6 comprises an outer wall 14 and an inner wall 10.
• the cheek body 6 further includes an upper or front edge 13 and opposite a lower or trailing edge (not shown).
• two additional bulges can be placed along the longitudinal orientation of the cheek body 6 or be an integral part of the same (not shown). These bulges are part of a particularly preferred embodiment of a coupling closure according to the invention.
• the cheek body 6 can be further subdivided into an outer segment 21 of, for example, only moderately elastic, for example, thermoplastic material and an inner segment 23 of an elastic material.
• Such material combinations can be obtained, for example, by coextrusion or multicomponent injection molding in one operation and are also known as so-called 2K components.
• the first bearing element 18 is mounted in the area of the first end 44 of the cheek body 6 with a projection 26 on the outside 14 of the cheek body 6.
• the second bearing element 20 is guided at the second end 66 of the cheek body 6 with a projection 28 aus ⁇ .
• the first and second bearing elements 18 and 20 are in sectional view substantially aligned with the shape of circular rings, ie the webs or web arms are not closed to ei ⁇ nem complete circle.
• the first bearing element 18 according to FIG. 1 comprises two spaced web arms 34 and 36. The distance between these web arms is chosen such that that a web arm 38 'of a second closure strip 4 can be received therein (not shown).
• the web arms 34 and 36 and the first bearing element 18 at least partially enclose a space 48 into which the first end 44 of the cheek body 6 protrudes. Preferably, this first end 44 is located approximately at the center of the interior 48 indicated by the annularly shaped web arms 34 and 36, respectively.
• the outer as well as the inner surfaces of the web arms 34 and 36 are preferably designed as cylinder segments.
• the second bearing member 20 includes a lug 28 which is continued by the web arm 38. Also, the second end 66 of the cheek body 6 is preferably placed approximately in the center of the direction indicated by the web arm 38 interior 50.
• a flexurally elastic element 200 in the form of a bar, which extends between the first and second bearing element 18 and 20.
• the second end 204 of the strip 200 has two projections 206, 208 which are inserted into corresponding openings 212 and 214 (not shown).
• the omissions 212 and 214 form the first holder 210 (not shown), which in the present case is part of the bearing element 20.
• At the first end 202 of the strip 200 there is a projection 216 which is inserted into a corresponding omission 218.
• the outlet 218 forms the second holder 220 in a corresponding manner and is part of the first bearing element 18.
• the flexurally elastic element 200 is made of e.g.
• Fiberglass composite is preferably bent in the ground state. As soon as it is held in the holders 210 and 220, the outer side 14 accordingly experiences a force, so that in the coupling closure according to the invention the inner sides of the two closure strips are pressed against one another.
• the length of the flexurally elastic strip 200 is dimensioned so that the strip extends in the state of construction substantially over the entire length between the first and second bearing element.
• the projections 206, 208 and 216 are sized so that, even if the closure strip is strongly curved outwards, i. in the opened state of the coupling closure, the projections still always remain in the holders 210 and 220.
• the coupling closure 1 can, as shown in FIG. 2, be obtained in that a first closure strip 2 with a second closure strip 4, which can be essentially identical to the closure strip 2, along the inner sides of its cheek bodies 6 and 8 be put together.
• the elastic strip 200 snugly fits snugly against the outside of the closure strip 2.
• the attachments 206 and 208 engage the openings 212 and 214 of the bearing member 20.
• the projection 216 is present in the omission 218 of the holder 220.
• FIG. 3 shows two coupling closures 1 and 1 'according to the invention in a lateral view.
• the first and second bearing elements of the first and second closure strips are respectively surrounded by first and second joint cap halves 60 and 70 to form the joint cap 56.
• the inner walls 10 and 12 of the cheek body of the first and second closure strip are pressed in the ground state against each other, so that the bag 90 is present completely closed.
• the inner walls of the cheeks arched in the ground state bear this body 6 and 8, which arrive at the attachment of adjacent bearing elements in the joint caps 56, 56 'at the two ends of the closure strips to form a substantially gerad ⁇ linigen closure slot for mutual contact.
• the edge regions of the flexible bag 90 are fastened in the region of the inner walls 10 and 12 of the cheeks 6 and 8, wherein it has proven to be particularly advantageous to attach these to the opposing first and second ends Extending the cheek body, so that the point at which the bag edge reverses its direction, substantially coincides with the pivot point of the cheeks body when opening and closing the closure strips. In this way, the bag is not or least stressed at the opening and closing of the coupling closure, whereby mate ⁇ rialermüdung or cracks that could lead to contamination of the environment can be avoided.
• the edge of the flexible bag 90 is preferably in the region of the lower edges of the cheeks 6 and 8, ie, in the transition region from inner wall tofind ⁇ wall mounted.
• the first and second closure strips move away from one another under the opening of the bag.
• the maximum spread of the closure strips is defined by the opening angle 58 of the joint caps 56 and 56 '. For, as soon as the outer sides of the first and second closure strips of a coupling closure abut the edges of the joint cap defining the opening angle 58, a further opening is no longer possible without destruction.
• To limit the opening angle can also contribute to a system of locking pin and Arretieröffhung and a system of indentation and locking pin.
• a flexible bag 90 is attached, for example, another flexible bag or a flexible Umhellschlauch 94 can be attached to the coupling closure 1 '.
• the coupling closures 1 and 1 ' are essentially identically dimensioned and, when coupled together, form a docking device 96 according to the invention.
• An environmentally insulated docking can be achieved in a preferred embodiment in that along the upper edge courses 98a and 98b or on the upper sides 13, 15 of the cheek body 6, 8 of the first and second Ver ⁇ closing strip 2 and 4 of the second coupling closure 1 'grooves 92a , 92b are mounted or incorporated, which, preferably in register, in corresponding in the lower sides of the cheek body 6, 8 of the first and second closure strip 2 and 4 of the Kupplungsverschlus ⁇ ses 1 present spring elements 114a, 114b are inserted.
• elastic strips are movably mounted in the holders of the bearing elements.
• FIG. 4 shows a holding device 100 according to the invention with a first receiving unit 102 and a second receiving unit 104 as well as lever arms 106 and 108.
• the receiving units 102 and 104 are designed such that they hold the joint caps 56, 56 'of the coupling closures 1 and 1'. at least partially flush. Preferably, at least portions of the receiving unit and the joint cap behave as negative and positive fits.
• the coupling closure 1 ' is already inserted into the holding device 100, wherein the transfer hose 94 is connected to a container 116 which is to be filled.
• the coupling closure 1 has, as already described with reference to FIG. 3, on the upper side of the closure strips or cheek body via spring elements 114a and 114b (not formed).
• the coupling closure 1 on the undersides of the closure strips or cheek body grooves 92a and 92b (not shown) for receiving the Feder ⁇ elements of the coupling closure 1 'on.
• the coupling closure 1 ' is held on its underside by bottom plates 110 in the receiving units 102 and 104.
• the upper holding plates 112 are guided over the tops of the joint caps 56 and 56 'of the coupling closure 1 and, for example by means of screws attached.
• the receiving units 102 and 104 are dimensioned such that by fastening or screwing on the upper holding plate 112, the springs 114a, 114b and grooves 92a, 92b are driven into each other until they stop.
• an absolutely environmentally insulated docking device 96 is obtained, with which any bulk goods, as in FIG. 4 represented in fixed or transportable containers 116 can be transferred.
• the lever arms 106 and 108 are actuated in such a way that the first and second Conseinhei ⁇ th 102 and 104 are moved towards each other.
• the first and second closure strips of the first and second coupling closure 1 and 1 ' move uniformly away from each other opening both the flexible bag 90 and the flexible Um Scholl ⁇ hose 94.
• On the outer sides of the cheek body of the closure strips are in turn biegelastician Ledges 200 and 200 ', which are held with their opposite ends in Halte ⁇ ments that are part of the bearing elements.
• the docking device according to the invention can continue to be used without contamination, without the need for additional cleaning steps.
• the removal of the docking device according to the invention from the holding device 100 is just as simple as its instal lation.
• the coupling closures 1 and 1 ' can be easily separated from each other, in each case closed, so that even after loading or refilling a contamination of the environment as well as the transfilled products is not to be feared ,
• FIG. 5a shows a container 300 according to the invention for fine dosing of, in particular, powdered or granular bulk material.
• This flexible container 300 comprises a Be fiscaler ⁇ body 302 and a tapered towards the outlet section 304.
• This section 304 follows, interrupted by the second coupling closure 312 of the conveyor 310, at the opening end 306 environmentally sealed a first inventive coupling closure 308 is attached.
• the container body 302 is thus followed by a hose-like conveying means 310, which is regularly narrower than the bag body 302.
• the bag body for example, can be placed headfirst on dosing jaws 314 in such an embodiment for finely dosed emptying, by means of which the conveying means 310 protrudes.
• a second coupling device 312 is mounted for the fine metering of the bulk material to be filled.
• this coupling closure can simply be put on or pulled onto the conveying means 310 from the outside, so that it is the same encloses.
• the closure strips or the cheek body of this second coupling closure 312 are adhesively bonded to the outer wall of the conveying means, for example, when conveying means 310 and container body 302 are present in one piece.
• container body 302 and conveyor 310 as separate components to the second coupling closure 312, in which case the opening edge 310 of the container body 302 is preferably to the upper portion of the closure strips, especially the insides of the cheeks, and the first opening 318 of the conveyor 310, in particular circumferentially, with the lower portion of the closure strips of the second coupling closure 312, in particular the inner sides of the cheek body of the first and second closure strips, in particular environmentally sealed, connected.
• Ausgestal ⁇ tion sections of the inner sides of opposing cheek body of the second coupling closure 312 can come into direct contact with each other. It has been found that if such a direct contact of the inner sides of the elastic cheeks of the second coupling closure 312 is permitted, a particularly effective fine metering of even very finely divided bulk materials succeeds.
• Figure 5b shows a particularly preferred embodiment of a one-piece container 300 in an intermediate manufacturing step.
• each recesses 320 and 322 are provided on the front and the back of the container, which are each dimensioned smaller than the cheeks of the first and saut ⁇ ter closure strip of the second coupling closure 312.
• the cheek bodies of the coupling closure then come to rest or are connected in an environmentally tight manner to the edge 328 surrounding the recess.
• the container to be filled (not shown) in turn has a coupling closure according to the invention which can be coupled with the first coupling closure 308 of the container 300 to form an environmental-proof docking device according to the invention.
• This docking operation is preferably carried out after the controlled to be emptied container 300 has been brought into a suitable emptying position, for example by means of suitable metering jaws 314.
• the second coupling closure 312 preferably remains closed, ie the inner sides of the cheeks of the first and second closure strips lie directly or indirectly, ie separated by the bag walls, sealingly against each other.
• the inner elastic segments of the cheek body protrude beyond the outer thermoplastic segment of the cheek body.
• the trained docking device is opened, so that the container is available for filling.
• the second coupling closure 312 is also pressurized, preferably by a pneumatic and in particular elektri ⁇ cal drive device so that bulk material can pass from the container body 302 gravity driven into the container to be filled.
• the filling process can be assisted by suitable devices, such as vibrators or activators.
• the filling speed can be varied. In most cases, a gap of only 1 to 2 mm is sufficient to undertake a fine dosing. The accuracy of the dosing can be increased again, especially with very finely divided bulk materials by using a vibrator.
• FIG. 6 shows an alternative embodiment of a metering container 400 according to the invention, comprising a container body 402 and a conveyor 410.
• a coupling closure 408 according to the invention.
• a second inventive coupling closure for fine metering of particular powdery bulk material is in the Ausu ⁇ insurance form shown in Figure 6 on a metering device 412 with at least one opening under lateral pressure and variable expanding outlet 414 in the form a Schlit ⁇ zes resorted.
• This metering device 412 is mounted on the inside of the conveying means 410 or in the transition of the container body 402 and conveying means 410.
• this metering device 412 By connecting this metering device 412 completely environmentally sealed to the conveyor 410 or its inner wall (in FIG. 6, for the sake of illustration, a fully circumferential, but not full-surface connection between the inner wall of the conveyor and the outside of the metering device is shown reproduced), for example, with an adhesive or by means of welding, it is ensured that bulk material only on the Aus ⁇ laß 414 of this metering device 412 by the conveyor 410 in the direction of the first Coupling closure 408 can get.
• the metering device 412 has not only a bending-axial disc 416 separating the passage of the conveying means 410 but also wall elements 418 extending away from this disc, in particular in the direction of the container body 402, which can be connected to the inner wall of the conveyor 410.
• This vor ⁇ preferably circumferential wall 418 then forms together with the substantially schei ⁇ benförmigen partition 416 a kind of pantry.
• this wall it is likewise possible for this wall to extend from the elastic disk 416 in the direction of the first opening end 406 of the conveying means 410 or both in the direction of the opening end 406 and in the direction of the container body 402.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Bag Frames (AREA)
• Stackable Containers (AREA)
• Graft Or Block Polymers (AREA)
• Mechanical Operated Clutches (AREA)
• Package Closures (AREA)
• Supply Of Fluid Materials To The Packaging Location (AREA)
• Basic Packing Technique (AREA)

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• 2004
  • 2004-11-17 DE DE202004017855U patent/DE202004017855U1/de not_active Expired - Lifetime
• 2005
  • 2005-11-17 DE DE502005009332T patent/DE502005009332D1/de active Active
  • 2005-11-17 DE DE112005003413T patent/DE112005003413A5/de not_active Withdrawn
  • 2005-11-17 JP JP2007541673A patent/JP4969450B2/ja active Active
  • 2005-11-17 AT AT05806921T patent/ATE462648T1/de not_active IP Right Cessation
  • 2005-11-17 EP EP05806921A patent/EP1812293B1/fr active Active
  • 2005-11-17 WO PCT/DE2005/002065 patent/WO2006053545A1/fr active Application Filing
• 2007
  • 2007-05-17 US US11/750,213 patent/US7487808B2/en active Active

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