Foundry mould and method for making

Abstract From the Canadian patent

A machine for forming foundry moulds includes a turret supporting spaced mould frames each of, the latter having a mould portion formed therein by rotation of the turret toward a sand filling and compacting station and away therefrom. In one aspect of the invention the completed mould portion may be moved to a position where a core can be set thereon and subsequently moved to a position where the mould portions are positioned one atop another to make a stack of finished and cored moulds. In another aspect the moulds may not be cored and a pair of said filling and compacting stations are provided the turret, oscillating or rotating unidirectionally from a loading position to a delivery …