Pouring hollow concrete beams between sidewalls using...

Details Pouring hollow concrete beams between sidewalls using... Pouring hollow concrete beams between sidewalls using...

B - Operations, Transporting

28

B

25/48

B28B 1/00 (2006.01) B28B 1/08 (2006.01) B28B 7/28 (2006.01)

Patent

CA 1239773

(57) Abstract of the Disclosure Method and slide-casting machine for the casting of hollow slabs out of concrete by slide- casting. Concrete mix is extruded onto a base (18) preferably by means of a conical screw spiral (2). Thereinafter the mix is compacted by moving a cavity mandrel (3) fitted after the screw spiral. The end of the cavity mandrel (3) is moved along a path of movement of desired shape. The final end of the mandrel may be attached to the machine by means of a ball joint. (Fig. 1)

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