Foundry sand mould metal flow controller includes, e.g., hydraulic cylinders in the mold and pattern assembly, with pistons forming tongued castings

摘要

The foundry sand mold metal flow controller has hydraulic or pneumatic cylinders (5) in the mold (6) and in the pattern (1). The sand (7) contains holes forming tongues on the casting, and the pistons (4) have matching holes (2) with a guide (3) in the pattern (1).