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Concrete container
| Details |
Inventors: Bitschnau, Lothar; Bitschnau, Harald;
Assignee: MST-Bau GmbH (Bludenz, AT)
Primary Examiner: Friedman; Carl D.
Assistant Examiner: Callo; Laura A.
Attorney, Agent or Firm: Kueffner; Friedrich
A concrete container for introducing concrete into formworks includes an upwardly open vessel with a downwardly narrowing bottom portion with an outlet opening and a flexible pipe connected to the outlet opening for distributing the concrete. Underneath the outlet opening of the concrete container, an essentially horizontally extending crossbeam is arranged, wherein the crossbeam is arranged so as to be displaceable transversely of the freely suspended flexible pipe. The two ends of the crossbeam, whose length corresponds at least to the diameter of the flexible pipe, are suspended from the concrete container by connecting members. Tension springs are attached in an articulated manner to the two ends of the crossbeam, wherein the other ends of the tension springs are fastened to the support frame, wherein the tension springs are tensioned when the crossbeam is located laterally of the outlet opening in a position releasing the flexible pipe. An adjusting member is connected in an articulated manner to the crossbeam, wherein the other end of the adjusting member is connected to the support frame of the concrete container, wherein the adjusting member serves to move the crossbeam against the force of the tension springs transversely of the flexible pipe. |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS.
1 and 2 of the drawing, the concrete container 1 has an upper cylindrical portion 2 and a conical portion 3 contiguous with the bottom side of the cylindrical portion 2.
The conical portion 3 ends at the bottom in an outlet opening 4.
A support frame 7 receiving the concrete container 1 or fixedly connected to the concrete container 1 is formed by vertical struts 5 whose bottom ends are fastened in an open ring 6.
A flexible pipe 8, preferably a rubber-elastic hose, is attached to the outlet opening 4.
The flexible pipe 8 may have a length of several meters.
At the lower end opening 9 of the flexible pipe 8, a control panel 10 is arranged which is connected through a line 11 to a drive unit 12, which, in turn, is supported by the support frame 7.
Fastening bolts 13 are provided on the concrete container 1 at two diametrically oppositely located locations.
Connecting members 14 in the form of steel ropes, chains or the like are suspended from the fastening bolts 13.
The lower ends of the connecting members are attached to a crossbeam 15.
This crossbeam 15 is composed of a shaft 16 with freely rotatable rollers 17 mounted on the shaft 16.
This crossbeam 15 is located slightly underneath the outlet opening 4, preferably in the plane of the open ring 6.
An adjusting member 18 is connected to the middle portion of the crossbeam 5, wherein the other end of the adjusting member 18 is connected to the open ring.
The adjusting member 18 may be constructed as a piston/cylinder unit or as a mechanical component, such as a threaded gear system, threaded rod, gear wheel system or the like.
In addition, tension springs 19 are attached to both ends of the crossbeam 15.
The other ends of the tension springs 19 are attached to portions of the open ring 6 which face each other.
FIG.
1 of the drawing shows the position of the crossbeam 15 in which the cross-section of the hose is released or open.
The tension springs 19 are tensioned and the adjusting member 18, constructed as a piston/cylinder unit in the illustrated embodiment, is actuated
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