Concrete-molding machine

Details Concrete-molding machine Concrete-molding machine

B - Operations, Transporting

28

B

B28B 3/02 (2006.01) B28B 17/00 (2006.01)

Patent

CA 2156963

Concrete-molding machine having a ram on which an upper mold part (4) is fastened in a releasable manner. The quick-fastening device used for this purpose comprises connecting pins (5) which have a shank and a widened cross-piece. In order to simplify the device, the connecting pins (5) are fastened on the upper mold part (4) by means of their shanks. Located on the ram or on a carrying plate (2) fixedly connected thereto is a horizontal slide (6) with keyhole-like clearances (23) into which the connecting pins (5) can be inserted from beneath. Pneumatic lifting elements (7, 8) grip below the slide (6) and draw it up, in the connecting position, to the cross-pieces.

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