Patent ID: 8714232
Filing Date: 2014-05-06
Classification: B22C,B22D

Abstract:
1. A method comprising: providing a casting die including an upper die member and a lower die member each constructed and arranged such that, when closed, define the mold cavity; supporting at least one insert in the mold cavity by way of one or more spacers, the one or more spacers being carried by the lower die member and being constructed and arranged to support the at least one insert; wherein the shape and size of the at least one insert substantially coincides with annular and radial dimensions of the mold cavity; closing the upper die member and lower die member together to close the at least one insert and one or more spacers within the mold cavity; and introducing a molten material into the mold cavity such that the one or more spacers are melted and consumed by the molten material; wherein the one or more spacers and the molten material are of the same composition.