The machine is injected into the ground to the embodiment of the moulds and assay of the foundry or similar.

摘要

In a core-blowing machine, the improvement consisting in that the inner wall of the ramming frame has a plastics material coating, the latter having a protrusion in its top edge area. This protrusion abuts the sandslinger head. Wear of the ramming frame is drastically reduced and a better air venting of the flask is ensured.