Method and apparatus for producing hollow bodies of hardenable material and products produced therewith.

摘要

Method and machine for producing hollow monolithic bodies of hardenable material and thereby light bodies, such bodies being hollow bodies produced by centrifugation in a mold (l) which follows at least simultaneously two tracks of which one is a rotation about the axis (6) of the mold (l), while the other is a rotation of the mold (l) along an endless track (defined by axis 24), whereby uniformly hollow structured bodies are achieved, where the material resistance coefficient increases progressively from the periphery towards inside. For the building field, these hollow bodies (2) may be made of concrete and therefore are made of the same material of which light structural members can be formed, which use as a substituent of gravel in the concrete, such hollow members.