AT15260U1 - Disposable container for a flowable building material - Google Patents

Abstract

The invention relates to a disposable container (1) for a flowable building material, such as touched concrete, plaster or paint, for processing on a construction site, comprising a container structure (11) made of cardboard; a receiving space (13) within the container structure (11) for the flowable building material; and an outlet line (21), via which the flowable building material from the receiving space (13) can be removed, the disposable container (1) according to the invention a locking slide (35) between a release position, in the flowable building material from the receiving space (13) the outlet line (21) can be dispensed, and a blocking position is displaceable, in which the locking slide (35) blocks the building material release, and has a sliding bearing (32) for translationally guiding the locking slide in the displacement between the release and the blocking position.

Description

description

DISPOSABLE CONTAINER FOR A FLOWABLE BUILDING MATERIAL

The invention relates to a disposable container, in particular made of cardboard for a flowable building material, such as mixed concrete, plaster or paint, for processing on a construction site. In particular, the invention relates to a disposable container having a fill volume of 500 liters or more.

The delivery of plaster, concrete or other organic materials in disposable containers enjoys increasing economic success, because such disposable containers can be disposed of after emptying the building material on site. A return transport of the container to the supplier is eliminated and thus also possibly payable rental or deposit fees for the container.

Pasty materials are often processed by the so-called "airless technique". To produce conveying and / or processing equipment when removing the pasty building material from a container in a continuous bubble-free stream. The bubble-free building material flow allows a uniform application of the building material to produce surfaces of high quality. Depending on the viscosity of the building material, conveying pasty building materials requires very high pressure of up to 10 bar. It is crucial for the generation of the bubble-free building material flow that the building material from the disposable container even at the high delivery pressure of up to 10 bar building materials and in particular gas-tight can be demanded. Leaks along the discharge conveyor path can cause air entrainment in the building material stream and are thus detrimental to even material discharge and the quality of the processing result.

A well-known disposable container for pasty media is disclosed in German Utility Model DE 20 2013 006 415 U1. The known disposable container holds a receiving space for the liquid or pasty medium, a container casing and a support with a collecting area. The collection area opens into a shaft through which the medium can be removed from the collection area. A tube extends through the well and is connected to the receiving space to drain the pasty medium through the tube. So that not the entire contents of the disposable container must be processed at once, a loop clamp is provided with the hose wall sections can be pressed towards each other to clamp an outlet opening from the hose.

However, adhering to the hose surfaces material prevents a satisfactorily sealing the outlet opening. The wetted at least with the pasty material and pressed together by the hose clamp hose wall surfaces also tend to stick together, so that the outlet opening is released quite uncontrollably again only with increased effort and at the moment of dislodging the bond. To open the known hose clamp, the jaws must be forced apart, which is only possible with two hands. If a conveyor to be connected to the outlet, at least a second operator is usually necessary.

The well-known disposable container is also only limited use with airless processing and / or conveyors. In order to connect the outlet hose with a connection piece of an airless device, the first hose clamp must be opened in order to then push the hose over the connection piece. Since when opening the hose clamp, directly building material flows out of the hose outlet opening, it can not be avoided that passes between the sealing surfaces of the connecting piece and the hose building material, whereby a gas-tight connection is difficult.

It is an object of the invention to overcome the disadvantages of the prior art and in particular to improve a disposable container can be produced economically so that it is as easy as possible stage-friendly emptying by means of an airless processing machine as possible bubble.

This object is achieved by the subject matter of claim 1. Thereafter comprises a disposable container for a flowable building material, such as mixed concrete, plaster or paint for processing on a construction site, a container structure made of cardboard a receiving space within the container structure for the flowable building material and an outlet over which the flowable building material from the receiving space can be removed. According to the invention a gate valve is provided which is displaceable between a release position, in the flowable building material from the receiving space through the outlet, and a blocking division is displaced, in which the gate valve blocks the building material release, and a sliding bearing for translationally guiding the gate valve in the shift between the release and the blocking division provided.

Preferred embodiments are specified in the subclaims.

Further advantages, features and features of the invention will become apparent from the following description of a preferred embodiment of the invention and the accompanying drawings, in which: Figure 1 is a schematic cross-sectional view of a disposable container according to the

Invention; Figure 2 is a schematic exploded view of the exhaust duct assembly according to the disposable container of Figure 1 without hose clamps; FIG. 3 shows a schematic side view of the disposable container according to FIG. 1 according to the invention.

In Figures 1 and 3, the disposable container according to the invention is generally provided with the reference numeral 1. The disposable container 1 comprises a container structure 11, which consists of one or more folded Kartonageplatten. The cardboard plates are at least 5 mm thick and can be folded and assembled into a three-dimensional container structure. The folding structures formed from the individual plates are connected to each other in the manner of a plug-in system or by gluing. The container structure 11 thus formed has an outer casing 3 and a receiving space 13 bounded by the container structure 11 for the building material.

The receiving space 13 is provided with a building material-tight, in particular gas-tight, lining (not shown in detail), within which the building material is stored. The lining can be applied as a coating on an inner wall 15 of the container structure 11 or by a film suspended and inserted in the support space.

The container structure 11 has the bottom boundary of the receiving space on a funnel-shaped or pyramidal support 14 formed of cardboard, which forms a collection area for the building material and bottom side opens into a centrally disposed relative to the footprint of the container 1 outlet. Below the outlet, a well formed by the container structure 11 extends to an outlet opening in the shell 3. The container structure 11 also has a bottom plate 6 fixed to the remainder of the container structure.

In the central outlet of the funnel-shaped support 14, a discharge ring structure 37 is used, which can be seen in detail in Figure 2 in more detail. The purge ring structure 37 is a plastic pipe stub. A bottom-side edge 37 'of the discharge ring structure may be provided with a pipe wall reinforcement and designed as a sealing contact stop for a counterpart to be connected to the discharge ring structure 37.

The building material contained in the receiving space 13 can be removed via an outlet 21 from the receiving space. The outlet line 21 leads from a substantially centrally disposed in the container mouth of the collecting region in which the Ablassringstruktur 37 is arranged, formed by a below the collection area in the container structure shaft 7 to a container accessible from the outside recess 12 in the container structure 11. Die Vertiefung 12 is accessible through an opening in the container shell 3 from the outside, as shown in Figure 3.

The outlet 21 has a preferably designed as a plastic tube rigid tube piece 39. The pipe section 39 changes the direction of the outlet line 21 by 90 ° and is building material tight preferably connected to the Ablassringstruktur 37 up to 10 bar. The pipe piece is inserted into the Ablassringstruktur 37 and glued or screwed with this. A tube outer side annular projection on the tube piece 29 acts as a sealing ring stop 38 against the Ablassringstruktur 37. If the tube piece 39 is inserted with one end in the Ablassringstruktur, the ring stop 38 comes with the ring contact surface 37 'of the Ablassringstruktur in a sealing contact. In particular, the tube piece 39 with the Ablassringstruktur 37 by two intermeshing threads.

At the pipe section 39, a flexible hose 22 shoots, which is made in particular of a tough elastic pressure-resistant plastic material. In particular, the tube 22 is accordion-like, in order to achieve a higher extensibility in the direction of extent. The hose 22 is reinforced by a spiral metal spring extending in the hose wall. The elasticity of the tube 22 makes it possible to stretch and compress it in the direction of hose extension so that the tube end remote from the hose can be moved back and forth in the extension direction of the shaft. The hose 22 is attached to the pipe section 39 by means of a pipe clamp 28 or other fastening means which allows a building material and / or gas-tight connection.

An outlet opening of the outlet conduit 21 is formed by a Einsetzlager 31. The insertion bearing 31 comprises a pressure-resistant bearing housing 33 with an axial passage 42. Preferably, the bearing housing 33 is made of a plastic material. The passage 42 extends through the bearing housing 33 and from an insertion fitting 44 formed on the bearing housing 33 to an outer connecting piece 43. The hose-side insertion socket 44 is essentially conical on the outside. Relative to the tube inner diameter of the insertion piece 44 is formed slightly oversized at least on the cone base, so that the tube 22 is seated with radial pressure bias on the connection piece. The tube 22 may be attached to the Einsetzstutzen 44 by means of a pipe clamp or other suitable fastening means, which allows the hose with the Einsetzlager 33 building material tight fastened to a pressure of 10 bar. Since the bearing housing 33 is substantially rigid, that is pressure-resistant up to the maximum operating pressure of the conveyor to be connected, is formed, the hose end, in which the Einsteckstutzen introduced is always kept open. The bearing housing 33 may be attached to the bottom plate 6 or attached indirectly via the outlet 21 to the disposable container 1.

The insert bearing 31 has slide bearing 32. The sliding bearing 32 extends in a radial direction relative to the passage direction. The sliding bearing 32 is in particular formed integrally with the bearing housing 33. A locking slide 35 is inserted into the sliding bearing and translationally substantially perpendicular to the passage 42 of the bearing housing 33 in the clear cross section of the passage can be inserted. When inserting the locking slide 35 reduces the clear passage dimensions, so that no building material flows through the passage. The locking slide 35 has a release position, in which the locking slide is received in a part of the bearing housing 33 arranged outside the passage. From the release position of the locking slide 35 can be brought into the blocking division by means of an extending from the bearing housing 33 operating part 36 in which the locking slide 35, the clear cross section of the passage 42 completely occupied. The bearing housing 33 has in particular relative to the passage diametrically opposite the receptacle for the locking slide 35 in the release position on a preferably formed as a recess in the wall of the passage 42 of the bearing housing 33 valve seat 34. In the blocking division of the locking slide 35 comes with the valve seat 34 in a sealing engagement. The valve seat 34 is dimensioned relative to the locking slide 35 such that the passage-side valve seat edges strip on the gate valve existing building material when taking the locking division in the passage direction.

Outside the container, the bearing housing 33 has a rigid connection piece 43, on which a conveyor, such as an airless processing device, building material tight up to a pressure of 10 bar can be connected. For this purpose, the connecting piece 43 may have an external thread onto which a connecting piece 47 of the conveying device and / or a reducing piece 45 can be screwed on in a building material-tight manner.

Claims (13)

claims A disposable container (1) for a flowable building material, such as touched concrete, plaster or paint, for processing on a construction site, comprising: - a container structure (11) made of cardboard; - A receiving space (13) within the container structure (11) for the flowable building material; and - an outlet conduit (21) via which the flowable building material can be removed from the receiving space (13), characterized by a blocking slide (35) which can be moved between a release position in the flowable building material from the receiving space (13) through the outlet conduit (21 ) Abbarable, and a blocking division is displaceable, in which the locking slide (35) blocks the building material release, and a sliding bearing (32) for translationally guiding the locking slide in the displacement between the release and the blocking division. 2. Disposable container (1) according to claim 1, characterized in that the disposable container (1) with the outlet (21) building material tight connectable insert bearing (31) comprising a plain bearing (32) bearing housing (33) and one in the bearing housing ( 33) formed passage (42) for the building material, wherein in particular the locking slide (35) in the release position a clear cross-section of the passage (42) completely free and / or arranged in the blocking division in such a way within the passage that the clear cross section through the locking slide is blocked. 3. Disposable container (1) according to any one of the preceding claims, characterized in that connectable to the connecting line (21) insertion bearing (31) has a container structure outer side connecting piece (43), the building material tight preferably up to a pressure of 10 bar with the insertion bearing ( 31) and / or has a building material-tight fastening device, such as an external thread, in order to connect a connecting piece (47) of a conveyor construction-tight with the connecting piece (43). 4. Disposable container (1) according to any one of the preceding claims, characterized in that connectable to the connecting line (21) insert bearing (31) has a connection line side Einsetzstutzen (44) which is dimensioned relative to the connecting line (21) such that this in the connecting line can be inserted, in particular, by generating a sealing prestress acting radially to the passage direction of the insert bearing between the insertion stub (21) and connecting line (21), wherein in particular the insertion stub (21) is conically shaped. 5. Disposable container (1) according to one of the preceding claims, characterized in that the outlet line (21) is at least partially designed as a flexible hose (22), wherein in particular a receiving distance remotely a dimensionally stable Schlauchendöffnung through a passage (42) of a receiving space in the remote end of the tube (22) fitted Einsetzlager (31) is formed. 6. disposable container (1) according to any one of the preceding claims, characterized in that the disposable container comprises a bearing housing, wherein in particular the sliding bearing (32) is in particular integrally formed with the bearing housing and / or the bearing housing (33) has a preferably as a circumferential recess in an inner wall of the passage (42) formed slide seat (43) which encloses the locking slide (35) in the blocking division building material tight. 7. disposable container (1) according to any one of the preceding claims, characterized in that the locking slide (35) is infinitely adjustable between the release position and the blocking pitch, in particular the sliding bearing (32) the locking slide (35) transversely, preferably perpendicular to an extension direction of the passage (42) leads. 8. Disposable container (1) according to any one of the preceding claims, characterized in that the container structure (11) has a wall and / or bottom recess (12) in which the sliding bearing (32) and / or a plain bearing (32) comprehensive Insertion bearing (31) is arranged, wherein in particular the wall and / or bottom recess (12) is dimensioned such that the slide bearing (32), the insertion bearing (31) and / or the locking slide (35) preferably both in the release as is also completely recessed in the locking structure in the container structure (11). 9. Disposable container (1) according to any one of the preceding claims, characterized in that the sliding bearing (32) is fixed in the container depth direction with play on the disposable container (1), wherein in particular the movement play by an elastic in the direction of extension hose (22) of the outlet (21) is provided. 10. Disposable container (1) according to any one of the preceding claims, characterized in that the outlet line (21) receiving space side comprises a rigid tube piece (39) having at a receiving space side end rohraußenseitig an annular stop (38), in particular the receiving space-side end of the pipe section (39) in a preferably centrally relative to a ground contact surface of the disposable container (1) in the container structure (11) arranged Ablassringstruktur (37) can be inserted such that the annular stop (38) with a receiving space facing away from the Ablassringstruktur (37) forms a building material tight ring contact , 11. Disposable container (1) according to one of the preceding claims, characterized in that the outlet line (21), in particular a rigid tube piece (39) of the outlet line (21), on a Ablassringstruktur (37) of the receiving space (13) by means of a bonding agent, as adhesive, or by building material tightness is attached by welding. 12. disposable container (1) according to any one of the preceding claims, characterized in that the locking slide (35) via a container structure outside accessible hand-operated part (36) is preferably operated with one hand, in particular in a wall and / or bottom recess (12) of the container structure ( 11) is arranged sunk. 13. Disposable container (1) according to any one of the preceding claims, characterized in that an outer contour of the disposable container (1) is substantially continuous and / or free of projections. For this 3 sheets of drawings