CORE-SHOOTING MACHINE FOR PREPARING MOULDS AND FOUNDRY CORES

摘要

CORE-BLOWING MACHINE FOR PREPARING MOULDS AND FOUNDRY CORES . . In a core-shooting 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.