B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/60
B28B 7/00 (2006.01) B28B 3/06 (2006.01) B28B 3/08 (2006.01) B28B 7/10 (2006.01)
Patent
CA 1246327
Abstract of the Disclosure An apparatus for producing moldings from concrete, etc., particularly concrete paving stones, the top side of which exhibits partial surfaces of different vertical levels, comprises a molding table, a molding frame, and a stamp fitting in the latter. For better consolidation and in order to facilitate clean removal from the mold, it is provided that the stamp consists of two separate partial stamps guided in each other, the end cross-sectional surfaces of which are dimensioned so that the one molds the lower- lying and the other the higher-lying top partial sur- faces of the molding and that the stroke distance of the partial stamp for the higher-lying partial sur- faces is limited in an upper consolidation position, in which both partial stamps conjointly reproduce the top side of the molding, and in a lower mold-removal position, by stops. The partial stamp for the lower- lying partial surfaces preferably consists of a ring surrounding the other partial stamp. This ring may be connected by guide bolts to a first superimposed load, whereas the inner partial stamp supports a second superimposed load in the form of a guide plate. For use in multi-layer production machines, it is provided to lock the two partial stamps intermittently together, particularly by means of locking elements which engage automatically and can be disengaged by control lugs of the molding frame.
449377
Keller Gottfried
Scheidt Joachim
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Rampf Formen G.m.b.h.
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