B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/120, 22/158
B22C 11/06 (2006.01) B22C 9/08 (2006.01) B22C 9/20 (2006.01) B22C 11/04 (2006.01)
Patent
CA 1089182
Abstract of the Disclosure: 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 position. In still another aspect a pair of fill- ing and compacting stations are provided, one for forming a cope mould portion, and the other forming a drag mould portion, the turret oscillating to place the two mould portions in proper position to from a mould comprised of a cope and a drag. As a part of the invention herein the machine makes foundry moulds capable of being placed one atop another, a pair of moulds defining a a pouring lip conrected to a pouring channel in turn connected to runners and mould cavities. The stacked moulds may be provided with vertical sprues or risers therein whereby a plurality of castings may be poured from a single pouring lip, the founding material coursing toward a plurality of mould cavities. Stop off cores are provided below the pouring lip at the juncture between two mould portions to prevent coursing of the founding material into a pouring channel below the channel being poured.
289650
Hunter Automated Machinery Corporation
Swabey Ogilvy Renault
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